Multi-span greenhouse heat insulation structure and using method

Abstract

The invention provides a multi-span greenhouse heat insulation structure and a using method, and relates to the technical field related to multi-span greenhouses, the multi-span greenhouse heat insulation structure comprises multiple rows of heat insulation trusses, a first heat insulation structure and a second heat insulation structure, and the multiple rows of heat insulation trusses are distributed at intervals; the first heat insulation structures and the second heat insulation structures are alternately distributed among the multiple rows of heat insulation trusses; the first heat insulation structure and the second heat insulation structure each comprise a heat insulation sheet and a plurality of suspended cables arranged at intervals, the heat insulation sheets are connected to the suspended cables, and the heat insulation sheets are used for being unfolded in the extending direction of the suspended cables so as to achieve the heat insulation function; the heat insulation sheet is further used for being folded in the extending direction of the suspended cable so as to relieve the heat insulation function. The technical problems that in the prior art, due to the fact that a penetrating type long suspended cable on a truss is large in operation difficulty, the penetrating type long suspended cable is inconvenient to replace and maintain, and the maintenance cost is high are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of deep integration of architectural structure and mechanical structure related to built-in thermal insulation equipment in a multi-span greenhouse, and in particular to a thermal insulation structure of a multi-span greenhouse and a use method thereof. Background Art

[0002] In the prior art, the architectural structure of the multi-span greenhouse and the mechanical structure of the built-in insulation equipment are designed independently and rigidly fixed together during installation. Specifically, the built-in insulation structure is installed using multiple rows of middle trusses of the multi-span greenhouse and two rows of trusses located on the facade. In the entire multi-span greenhouse, the suspension cables supporting or suspending the insulation structure are very long and arranged vertically with each row of trusses. The middle of the suspension cables vertically penetrates all rows of middle trusses inside the multi-span greenhouse, and the two ends of the suspension cables are connected to the corresponding two rows of trusses on the facade. It is difficult and inefficient to penetrate a long suspension cable through all rows of trusses, and the suspension cable is difficult to tighten; and if any of the suspension cables has a problem (such as breaking or loosening), the multiple insulation structures connected to the entire suspension cable will have problems (such as falling downward); and if a suspension cable is to be replaced, all insulation structures connected to it must be disassembled, making the replacement and maintenance costs high. Summary of the invention

[0003] The present invention deeply integrates the truss building structure of the multi-span greenhouse with the mechanical structure of the built-in insulation equipment into an integrated design, so that the insulation truss of the multi-span greenhouse is both a part of the multi-span greenhouse building structure and a part of the mechanical structure of the built-in insulation equipment of the multi-span greenhouse. The purpose is to provide a multi-span greenhouse insulation structure and an energy-saving multi-span greenhouse to alleviate the technical problems in the prior art that the long suspended cables passing through the trusses are difficult to tighten, which makes their replacement and maintenance inconvenient and the maintenance cost high.

[0004] To achieve the above object, the present invention adopts the following technical solution:

[0005] In a first aspect, the present invention provides a multi-span greenhouse insulation structure, comprising an insulation truss, a first insulation structure and a second insulation structure, wherein the insulation trusses are arranged in a plurality of rows, and the plurality of rows of insulation trusses are spaced apart;

[0006] The first heat insulation structure and the second heat insulation structure are alternately distributed between the multiple rows of heat insulation trusses, that is, in the multiple rows of heat insulation trusses in the multi-span greenhouse, the first heat insulation structure is arranged on one side of each heat insulation truss located in the middle, and the second heat insulation structure is arranged on the other side;

[0007] The first heat insulation structure and the second heat insulation structure both include a heat insulation sheet and a plurality of suspended cables arranged at intervals, the heat insulation sheet is connected to the suspended cables, and the heat insulation sheet is used to be unfolded along the extension direction of the suspended cables to achieve a heat insulation function; and the heat insulation sheet is also used to be folded along the extension direction of the suspended cables to release the heat insulation function;

[0008] The length of the suspension cable matches the length of the thermal insulation sheet after being unfolded;

[0009] The thermal insulation truss comprises a plurality of position-limiting vertical web members, the position-limiting vertical web members are provided with a first thermal insulation structure connection structure and a second thermal insulation structure connection structure for position limiting, and the spacing distance of the position-limiting vertical web members corresponds one-to-one to the spacing distance of the suspension cables in the first thermal insulation structure and the second thermal insulation structure;

[0010] The first thermal insulation structure connection structures on the position-limiting vertical web members of two adjacent rows of the thermal insulation trusses and the suspended cables of the first thermal insulation structures connected thereto correspond one to one;

[0011] The second thermal insulation structure connection structures on the position-limiting vertical web members of two adjacent rows of the thermal insulation trusses and the suspension cables on the connected second thermal insulation structures correspond one to one;

[0012] The two ends of the suspension cable corresponding to the first thermal insulation structure are tightly connected to the two corresponding first thermal insulation structure connection structures on the position-limiting vertical web members of the two adjacent rows of thermal insulation trusses; the two ends of the suspension cable on the second thermal insulation structure are tightly connected to the two corresponding second thermal insulation structure connection structures on the position-limiting vertical web members of the two adjacent rows of thermal insulation trusses;

[0013] One preset end of the thermal insulation sheet corresponding to the adjacent thermal insulation truss is a fixed end, and the fixed end is fixedly connected to the thermal insulation truss on the opposite side; the other end is set as a movable end, and the movable end is used to approach or move away from the thermal insulation truss on the opposite side.

[0014] Furthermore, the first thermal insulation structure and the second thermal insulation structure each include a plurality of thermal insulation sheets, and the plurality of thermal insulation sheets of the same thermal insulation structure are arranged at intervals along the extension direction of the thermal insulation truss;

[0015] The multi-span greenhouse insulation structure further includes a blocking air bag, which is arranged between two adjacent insulation sheets, and two ends of the blocking air bag are connected to two adjacent insulation trusses;

[0016] The blocking airbag is inflated or deflated to cooperate with the adjacent thermal insulation sheet to expand to implement the thermal insulation function or to collapse to release the thermal insulation function.

[0017] Furthermore, multiple layers of the first thermal insulation structure and the second thermal insulation structure are arranged at intervals along the height direction of the thermal insulation truss, and a thermal insulation truss blocking structure is arranged on the thermal insulation truss corresponding to two adjacent layers of the first thermal insulation structure and the second thermal insulation structure;

[0018] The heat-insulating truss blocking structure is connected to the corresponding heat-insulating truss to prevent air convection between two adjacent layers of the first heat-insulating structure and the second heat-insulating structure.

[0019] Furthermore, the first heat insulation structure connection structure and the second heat insulation structure connection structure include two tightening connection holes which are arranged at intervals and are used for tightening and connecting the suspension cables.

[0020] Furthermore, the limiting vertical web rod includes two L-shaped steels with wide surfaces close together, and the tightening connection holes for connecting the first insulation structure connection structure and the tightening connection holes for connecting the second insulation structure connection structure are respectively provided on the wide surfaces of the two L-shaped steels facing away from each other.

[0021] Further, the position-limiting vertical web member includes a Z-shaped steel, and the Z-shaped steel includes at least a first vertical wall structure, a second vertical wall structure and a third vertical wall structure, and the first vertical wall structure is connected to the second vertical wall structure through the third vertical wall structure;

[0022] The two sides of the third vertical wall structure connect the first vertical wall structure and the second vertical wall structure from adjacent sides to form a Z-shaped integrated structure;

[0023] The first vertical wall structure and the second vertical wall structure are respectively provided with the tightening connection hole of the first heat insulation structure connection structure and the tightening connection hole of the second heat insulation structure connection structure.

[0024] Furthermore, the heat-insulating sheet comprises an upper folding structure and a lower folding structure, and the heat-insulating sheet is used to be unfolded or folded and folded through the upper folding structure and the lower folding structure;

[0025] The multi-span greenhouse insulation structure further comprises a hanging connection member, the lower portion of which is connected to the insulation sheet at the upper folding structure, and the upper portion of which is movably hung and connected to the suspension cable;

[0026] The heat-insulating sheet is used to be folded or unfolded along the extension direction of the suspension cable through the hanging connection piece under the action of a preset power.

[0027] Furthermore, the heat-insulating sheet comprises an upper folding structure and a lower folding structure, and the heat-insulating sheet is used to be unfolded or folded and folded through the upper folding structure and the lower folding structure;

[0028] The multi-span greenhouse insulation structure further comprises a hanging connection member, the lower portion of which is connected to the insulation sheet at the upper folding structure, and the upper portion of which is movably hung and connected to the suspension cable;

[0029] The heat-insulating truss comprises a plurality of tow cable vertical web members, wherein the tow cable vertical web members and the position-limiting vertical web members are alternately arranged along the length direction of the heat-insulating truss, and the tow cable vertical web members are provided with tow cable structures;

[0030] The tow rope structure is at a similar level to the first insulation structure connection structure and the second insulation structure connection structure on the limiting vertical web rod. The tow rope structure is used to movably pass through a preset traction rope, and to pull the movable end of the insulation sheet to perform reciprocating motion through the preset traction rope so as to fold or unfold the insulation sheet.

[0031] Further, the thermal insulation sheet is a thermal insulation coil, and the thermal insulation structure includes a reel, and the thermal insulation coil and the reel are arranged above the suspension cable;

[0032] The reel is fixedly connected to the movable end of the thermal insulation coil, and the reel is used to roll on the suspension cable under the action of a preset external force to wind and retract or release and unfold the thermal insulation coil.

[0033] In a second aspect, a method for using a multi-span greenhouse insulation structure is provided, using the multi-span greenhouse insulation structure and a hard rod driving system, wherein the hard rod driving system is provided on each of the first insulation structure and the second insulation structure; the hard rod driving system comprises at least a power mechanism, a towing rod and a suspended track;

[0034] The suspended track is arranged between the insulation trusses and between the suspension cables on the first insulation structure and the second insulation structure, and both ends of the suspended track are tightly connected to the corresponding insulation trusses, and the suspended track is provided with a friction resistance structure;

[0035] The towing rod is located below the suspended track, and the towing rod is perpendicular to the suspended track and connected to the movable end of the thermal insulation sheet and / or the hanging connector on the movable end of the thermal insulation sheet;

[0036] The power mechanism at least includes a moving frame, a first reduction motor capable of forward and reverse rotation, and a driving wheel set;

[0037] The drag rod is connected to the moving frame;

[0038] The first reduction motor and the driving wheel set are connected to the moving frame, the first reduction motor is drivingly connected to the driving wheel set, the driving wheel set is movably connected to the suspended track, and the driving wheel set matches the friction resistance structure;

[0039] The method of use includes the following steps:

[0040] The first reduction motor is started to rotate forward, and accordingly the driving wheel group is driven to move forward along the suspended track, and the moving frame drives the towing rod to pull the movable end of the insulation sheet to move in the direction of unfolding the insulation sheet until the insulation sheet is unfolded to a preset state, so that the multi-span greenhouse insulation structure can perform the insulation function;

[0041] Start the first reduction motor to rotate in the reverse direction, and accordingly drive the driving wheel group to retreat along the suspended track. The moving frame drives the supporting rod to pull the movable end of the insulation sheet to move in the direction of folding the insulation sheet until the insulation sheet is folded to a preset state, so that the insulation function of the multi-span greenhouse insulation structure is released.

[0042] A method for using a multi-span greenhouse insulation structure, using the multi-span greenhouse insulation structure and a single-room traction drive system, wherein the single-room traction drive system is provided on each of the first insulation structure and the second insulation structure; the single-room traction drive system at least comprises a single-room driving wheel, a single-room driven wheel and a single-room closed-loop traction chain rope;

[0043] The single-room driving wheel and the single-room driven wheel are arranged at intervals, the single-room closed-loop traction chain is connected with the single-room driving wheel and the single-room driven wheel, and the single-room driving wheel, the single-room driven wheel and the single-room closed-loop traction chain are respectively arranged above the first heat insulation structure and the second heat insulation structure;

[0044] The single-room driving wheel and the single-room driven wheel above the first thermal insulation structure are rotatably connected to the thermal insulation truss connected to the first thermal insulation structure in a preset manner, and the single-room driving wheel and the single-room driven wheel above the second thermal insulation structure are rotatably connected to the thermal insulation truss connected to the second thermal insulation structure in a preset manner, and each of the single-room closed-loop traction chains is connected to the movable end of the thermal insulation sheet of the corresponding first thermal insulation structure or the second thermal insulation structure at a preset position, and / or is connected to the hanging connector at the movable end of the thermal insulation sheet;

[0045] The method of use includes the following steps:

[0046] The single-room driving wheel is made to rotate forward, and the single-room closed-loop traction chain is driven to rotate forward accordingly, so as to drive the movable end of the heat-insulating sheet to move in the direction of unfolding the heat-insulating sheet, until the heat-insulating sheet is unfolded to a preset state, so that the heat-insulating structure of the multi-span greenhouse can perform the heat-insulating function;

[0047] The single-room driving wheel is made to rotate in the opposite direction, and the single-room closed-loop traction chain is correspondingly driven to rotate in the opposite direction, driving the movable end of the insulation sheet to move in the direction of folding the insulation sheet until the insulation sheet is folded to a preset state, so that the insulation function of the multi-span greenhouse insulation structure is released.

[0048] A method for using a multi-span greenhouse insulation structure, using the multi-span greenhouse insulation structure and a multi-room traction drive system, wherein the multi-room traction drive system is provided on at least one of the first insulation structure and one of the second insulation structure; the multi-room traction drive system comprises at least a multi-room driving wheel, a multi-room driven wheel and a multi-room closed-loop traction chain rope;

[0049] The plurality of driving wheels, the plurality of driven wheels and the plurality of closed-loop traction chains are arranged above each of the driven first heat insulation structures and the second heat insulation structures;

[0050] The plurality of driving wheels and the plurality of driven wheels are arranged with at least one of the insulation trusses spaced apart, the plurality of driving wheels are rotationally connected to the insulation truss located at one side edge in a preset manner, and the plurality of driven wheels are rotationally connected to the insulation truss located at the other side edge in a preset manner;

[0051] Both ends of the multi-room closed-loop traction chain are sleeved and connected to the multi-room driving wheels and the multi-room driven wheels, and the middle part thereof is movable and connected to the tow cable structure on the tow cable vertical web rod of the thermal insulation truss located in the middle, and the multi-room closed-loop traction chain is connected to the corresponding active ends of the thermal insulation sheets of the first thermal insulation structure and the second thermal insulation structure at multiple preset positions, and / or the hanging connector connected to the active ends of the thermal insulation sheets;

[0052] The method of use includes the following steps:

[0053] The plurality of driving wheels are caused to rotate forward, and the plurality of closed-loop traction chains are driven to rotate forward accordingly, so as to drive the movable ends of the connected insulation sheets to move in the direction of unfolding the insulation sheets, until the insulation sheets are unfolded to a preset state, so that the insulation structure of the multi-span greenhouse can perform the insulation function;

[0054] The multiple driving wheels are made to rotate in the opposite direction, and the multiple closed-loop traction chains are driven to rotate in the opposite direction accordingly, driving the movable ends of the connected insulation sheets to move in the direction of folding the insulation sheets until the insulation sheets are folded to a preset state, so that the insulation function of the multi-span greenhouse insulation structure is released.

[0055] A method for using a multi-span greenhouse insulation structure, using the multi-span greenhouse insulation structure and a rolling drive system, wherein the rolling drive system is arranged on each of the first insulation structure and the second insulation structure; the rolling drive system at least comprises an anti-turnover frame, a third reduction motor capable of forward and reverse rotation, and a balance track;

[0056] The balance track is arranged in parallel with the suspension cable in the heat insulation structure, and is fixedly connected to the heat insulation truss connected to the suspension cable in a preset manner;

[0057] The third reduction motor is connected to the anti-turnover frame, the power output part of the third reduction motor is connected to the reel driving, and the anti-turnover frame is connected to the balance track for anti-turnover;

[0058] The method of use includes the following steps:

[0059] The third reduction motor is rotated forward to roll the reel forward, and the third reduction motor and the anti-turnover frame are dragged to move forward synchronously on the balance track, so that the heat insulation coil is released from the reel and laid on the suspension cable until the heat insulation coil is partially or completely unfolded, so that the multi-span greenhouse insulation structure can perform the insulation function;

[0060] The third reduction motor is rotated in the opposite direction to roll the reel backward, and the third reduction motor and the anti-overturning frame are dragged to move backward synchronously on the balance track, so that the thermal insulation coil is wound around the reel until the thermal insulation coil is partially or completely wound around the reel, thereby releasing the thermal insulation function of the multi-span greenhouse insulation structure.

[0061] The present invention can achieve the following beneficial effects:

[0062] In a first aspect, the present invention provides a multi-span greenhouse insulation structure, including an insulation truss, a first insulation structure and a second insulation structure, the insulation trusses are provided with a plurality of rows, and the plurality of rows of insulation trusses are distributed at intervals; the first insulation structure and the second insulation structure are distributed alternately between the plurality of rows of insulation trusses; the first insulation structure and the second insulation structure both include insulation sheets and a plurality of suspension cables arranged at intervals, the insulation sheets are connected to the suspension cables, and the insulation sheets are used to be unfolded along the extension direction of the suspension cables to realize the insulation function; and the insulation sheets are also used to be folded along the extension direction of the suspension cables to release the insulation function; the length of the suspension cables matches the length of the insulation sheets after unfolding; the insulation truss includes a plurality of limiting vertical web bars, the limiting vertical web bars are provided with a first insulation structure connection structure and a second insulation structure connection structure for limiting, and the spacing distance of the limiting vertical web bars is the same as the spacing distance of the suspension cables in the insulation structure. One to one correspondence; the first thermal insulation structure connection structure on the limiting vertical web members of two adjacent rows of thermal insulation trusses and the suspended cables of the connected first thermal insulation structure correspond one to one; the second thermal insulation structure connection structure on the limiting vertical web members of two adjacent rows of thermal insulation trusses and the suspended cables on the connected second thermal insulation structure correspond one to one; the two ends of the suspended cables corresponding to the first thermal insulation structure are tightly connected to the corresponding two first thermal insulation structure connection structures on the limiting vertical web members of the thermal insulation trusses of two adjacent rows; the two ends of the suspended cables on the second thermal insulation structure are tightly connected to the corresponding two second thermal insulation structure connection structures on the limiting vertical web members of the thermal insulation trusses of two adjacent rows; one end of the thermal insulation sheet corresponding to the adjacent thermal insulation truss is preset as a fixed end, and the fixed end is fixedly connected to the thermal insulation truss on the opposite side; the other end is set as a movable end, and the movable end is used to approach or move away from the thermal insulation truss on the opposite side.

[0063] In the present invention, the architectural function and the mechanical function of the insulation truss are deeply integrated. By taking the technical measure of setting a limiting vertical web bar on the insulation truss, it is achieved that the suspension cables are separately set on both sides of the insulation truss without interfering with each other, and then the technical purpose of alternately setting the first insulation structure and the second insulation structure between multiple rows of insulation trusses is achieved. The first insulation structure and the second insulation structure are dragged on the corresponding suspension cables to achieve expansion or folding, so as to realize a more convenient opening or closing of the insulation mode.

[0064] Compared with the prior art, the multi-span greenhouse insulation structure provided by the present invention realizes the installation of suspension cables between adjacent insulation trusses without interfering with each other by setting up technical measures of limiting vertical web bars, and the first insulation structure and the second insulation structure are alternately arranged between multiple rows of insulation trusses, and the insulation mode is turned on or off by unfolding or folding the insulation sheets of the first insulation structure and the second insulation structure on the suspension cables. Therefore, the length of the suspension cables is shorter, and when a certain suspension cable is damaged, it is easier to replace, thereby greatly reducing the maintenance cost.

[0065] In summary, the present invention at least alleviates the technical problems in the prior art that the long through-type suspended cables on the trusses are difficult to operate, which results in inconvenience in replacement and maintenance, and high maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0066] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0067] Figure 1 A schematic top view of a first structure of a multi-span greenhouse insulation structure provided by an embodiment of the present invention;

[0068] Figure 2 A schematic top view of a second structure of a multi-span greenhouse insulation structure provided by an embodiment of the present invention;

[0069] Figure 3 A partial front view schematic diagram of the heat insulation truss in the first structure of the heat insulation structure of the multi-span greenhouse provided by the embodiment of the present invention;

[0070] Figure 4 A partial front view schematic diagram of the heat insulation truss in the second structure of the multi-span greenhouse heat insulation structure provided by the embodiment of the present invention;

[0071] Figure 5 A partial top view schematic diagram of the use of a blocking air bag and a heat insulation sheet in a multi-span greenhouse heat insulation structure provided by an embodiment of the present invention;

[0072] Figure 6 A partial plan view schematic diagram of a heat insulation truss blocking structure of a multi-span greenhouse heat insulation structure provided by an embodiment of the present invention;

[0073] Figure 7 A partial plan view schematic diagram of a heat-insulating sheet material with a folding structure in a multi-span greenhouse heat-insulating structure provided in an embodiment of the present invention;

[0074] Figure 8 A schematic plan view of an insulation truss provided with a limit vertical web member and a support vertical web member in a multi-span greenhouse insulation structure provided by an embodiment of the present invention;

[0075] Fig. 9 A schematic diagram of a method of using a multi-span greenhouse insulation structure provided by an embodiment of the present invention driven by a rolling drive system;

[0076] Fig.10A schematic top view of a method of using a multi-span greenhouse insulation structure provided by an embodiment of the present invention driven by a hard rod drive system;

[0077] Fig.11 A partial top view schematic diagram of a method of using a multi-span greenhouse insulation structure provided by an embodiment of the present invention driven by a hard rod drive system;

[0078] Fig.12 A schematic top view of a method of using a multi-span greenhouse insulation structure provided by an embodiment of the present invention driven by a single-room traction drive system;

[0079] Fig.13 A schematic top view of a method of using a multi-span greenhouse insulation structure using a multi-room traction drive system provided by an embodiment of the present invention;

[0080] Fig.14 A schematic top view of another method of using a multi-span greenhouse insulation structure provided by an embodiment of the present invention using a multi-room traction drive system.

[0081] Icons: 100-insulation sheet; 101-upper folding structure; 1011-lower folding structure; 102-insulation coil; 1021-reel; 104-unfolding direction; 105-folding direction; 108-suspension cable; 1081-tightening connector; 109-hanging connector; 110-first insulation structure; 120-second insulation structure; 200-insulation truss; 201-L-shaped steel; 202-Z-shaped steel; 2 03-tightening connection hole; 210-limiting vertical web bar; 211-first thermal insulation structure connection structure; 212-second thermal insulation structure connection structure; 220-supporting vertical web bar; 221-supporting structure; 230-diagonal web bar; 240-upper chord bar; 250-lower chord bar; 260-blocking airbag; 270-insulation truss blocking structure; 300-hard rod driving system; 310-power mechanism; 311-first reduction motor; 312 - moving frame; 313- driving wheel set; 320- pulling rod; 330- suspended track; 400- single-room traction drive system; 401- single-room traction connection; 410- single-room driving wheel; 411- single-room driving shaft; 412- single-room driving shaft frame; 420- single-room driven wheel; 421- single-room driven shaft; 422- single-room driven shaft frame; 430- single-room closed-loop traction chain; 440- second reduction motor; 500- Rolling drive system; 510-anti-overturning frame; 520-third reduction motor; 530-balance track; 600-multi-room traction drive system; 601-multi-room traction connection; 610-multi-room driving wheels; 611-multi-room driving shafts; 612-multi-room driving shaft frames; 620-multi-room driven wheels; 621-multi-room driven shafts; 622-multi-room driven shaft frames; 630-multi-room closed-loop traction chains; 640-fourth reduction motor. DETAILED DESCRIPTION

[0082] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0083] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0084] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0085] In the description of the present invention, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product of the invention is usually placed when in use, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0086] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0087] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two elements; the separator " / " is used in some drawings to indicate the superordinate concept and the subordinate concept at the same time. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0088] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0089] Embodiment 1

[0090] This embodiment provides a multi-span greenhouse insulation structure. Figure 1 or Figure 2 , including a heat-insulating truss 200, a first heat-insulating structure 110 and a second heat-insulating structure 120, wherein the heat-insulating trusses 200 are arranged in a plurality of rows, and the plurality of heat-insulating trusses 200 are arranged at intervals; the first heat-insulating structure 110 and the second heat-insulating structure 120 are alternately arranged between the plurality of heat-insulating trusses 200; the first heat-insulating structure 110 and the second heat-insulating structure 120 both include a heat-insulating sheet 100 and a plurality of spaced-apart suspension cables 108, the heat-insulating sheet 100 is connected to the suspension cables 108, and the heat-insulating sheet 100 is used to be unfolded along the extension direction of the suspension cables 108 to realize the heat-insulating function; and the heat-insulating sheet 100 is also used to be folded along the extension direction of the suspension cables 108 to release the heat-insulating function; the length of the suspension cables 108 is equal to the heat-insulating sheet 100 after being unfolded. The length of the limiting vertical web member 210 is matched so that its two ends are tightened and connected with the corresponding preset positions of the insulation truss; the insulation truss 200 includes a plurality of limiting vertical web members 210, and the limiting vertical web member 210 is provided with a first insulation structure connection structure 211 and a second insulation structure connection structure 212 for limiting. The preferred scheme is that the first insulation structure connection structure 211 and the second insulation structure connection structure 212 are both set as tightening connection holes 203, and the two tightening connection holes 203 are arranged at intervals on the limiting vertical web member 210, so that the suspension cables 108 on both sides of the limiting vertical web member do not interfere with each other when being tightened and connected to the corresponding tightening connection holes 203, which is convenient for construction. In order to facilitate the installation and construction of the tightening connection of the suspension cable 108, a tightening connector 1081 is used. Figure 1 and Figure 2The tightening connector 1081 used in the embodiment is a sheep eye bolt; and the spacing distance of the limiting vertical web members 210 corresponds to the spacing distance of the suspension cables 108 in the thermal insulation structure; the first thermal insulation structure connection structure 211 on the limiting vertical web members 210 of two adjacent rows of thermal insulation trusses 200 corresponds to the suspension cables 108 of the first thermal insulation structure 110 connected thereto; the second thermal insulation structure connection structure 212 on the limiting vertical web members 210 of two adjacent rows of thermal insulation trusses 200 corresponds to the suspension cables 108 of the second thermal insulation structure 120 connected thereto; the suspension cables 110 corresponding to the first thermal insulation structure 110 correspond to each other. 08, the two ends are tautly connected with the corresponding two first insulation structure connection structures 211 on the limiting vertical web members 210 of the two adjacent rows of insulation trusses 200; the two ends of the suspension cable 108 on the second insulation structure 120 are tautly connected with the corresponding two second insulation structure connection structures 212 on the limiting vertical web members 210 of the two adjacent rows of insulation trusses 200; the preset end of the insulation sheet 100 corresponding to the adjacent insulation truss 200 is a fixed end, and the fixed end is fixedly connected to the insulation truss 200 on the opposite side; the other end is set as a movable end, and the movable end is used to approach or move away from the insulation truss 200 on the opposite side. Specifically, the selection of the fixed end of the insulation sheet 100 is related to the preset driving mode for driving the movable end to move in the method for using the multi-span greenhouse insulation structure, and the fixed ends of all insulation sheets 100 can be in the same direction or in different directions.

[0091] The embodiments of the present invention at least alleviate the technical problems in the prior art that the long through-type suspended cables on the trusses are difficult to operate, which results in inconvenience in replacement and maintenance, and high maintenance costs.

[0092] In the embodiment of the present invention, the first insulation structure 110 and the second insulation structure 120 are alternately arranged between the multiple rows of insulation trusses 200, and the suspension cables 108 arranged on both sides of the insulation trusses 200 are not in a straight line. There are multiple suspension cables 108 on both sides and they are distributed at intervals. The advantage is that they do not conflict with each other and do not interfere with each other, which is convenient for installation. Accordingly, the connection positions of the suspension cables 108 and the insulation sheets 100 of the first insulation structure 110 and the second insulation structure 120 are different, that is, although the first insulation structure 110 and the second insulation structure 120 both include insulation sheets 100 and suspension cables 108, the connection positions of the insulation sheets 100 and the suspension cables 108 are different. The first insulation structure 110 and the second insulation structure 120 are unfolded or folded by dragging on the corresponding suspension cables 108, so as to realize the convenient opening or closing of the insulation mode.

[0093] Compared with the prior art, the multi-span greenhouse insulation structure provided in the embodiment of the present invention has suspension cables 108 set up between adjacent insulation trusses 200, and first insulation structures 110 and second insulation structures 120 are alternately provided between multiple rows of insulation trusses 200. The insulation mode is turned on or off by unfolding or folding the first insulation structure 110 and the second insulation structure 120 on the suspension cables 108. Therefore, the suspension cables 108 are shorter in length, and when a certain suspension cable 108 is damaged, it is easier to replace, thereby greatly reducing the maintenance cost.

[0094] In an optional implementation manner of this embodiment, refer to Figure 5 The first insulation structure 110 and the second insulation structure 120 both include a plurality of insulation sheets 100, and the plurality of insulation sheets 100 of the same insulation structure are spaced apart along the extension direction of the insulation truss 200; the multi-span greenhouse insulation structure also includes a blocking airbag 260, which is arranged between two adjacent insulation sheets 100, and the two ends of the blocking airbag 260 are connected to two adjacent insulation trusses 200; the blocking airbag 260 is inflated or deflated to cooperate with the adjacent insulation sheets 100 to expand to implement the insulation function or to retract to release the insulation function.

[0095] Specifically: a sealing airbag 260 is also provided between adjacent insulation trusses 200. When in use, after the insulation sheet 100 is opened, there is a gap between adjacent insulation sheets 100. This gap affects the insulation effect of the multi-span greenhouse insulation structure of the present application. Therefore, after the insulation sheet 100 is opened, the sealing airbag 260 can be inflated simultaneously. After the sealing airbag 260 is inflated, the gap is blocked, so that the insulation effect of the multi-span greenhouse insulation structure is better.

[0096] In an optional implementation manner of this embodiment, refer to Figure 6 , Fig.11 and Fig.14 Multiple layers of first thermal insulation structures 110 and second thermal insulation structures 120 are arranged at intervals along the height direction of the thermal insulation truss 200, and a thermal insulation truss blocking structure 270 is provided on the thermal insulation truss 200 corresponding to two adjacent layers of the first thermal insulation structure 110 and the second thermal insulation structure 120; the thermal insulation truss blocking structure 270 is connected to the corresponding thermal insulation truss 200 to prevent air convection between two adjacent layers of the first thermal insulation structure 110 and the second thermal insulation structure 120.

[0097] Specifically: a multi-layer first insulation structure connection structure 211 and a second insulation structure connection structure 212 are arranged in the height interval of the limit vertical web member 210 of the insulation truss 200, and a multi-layer first insulation structure 110 and a second insulation structure 120 are arranged correspondingly, and an insulation truss blocking structure 270 is arranged in the cavity between the upper chord rod 240, the lower chord rod 250 and the vertical web member 210 of the insulation truss 200, and the fixed end of the insulation sheet 100 on one side of the insulation truss 200 abuts against the insulation sheet 100 when it is fixedly connected to the insulation truss 200. The insulating truss sealing structure 270 on this side and the insulating sheet 100 on the other side of the insulating truss 200 have their movable ends abutted against the insulating truss sealing structure 270 of the insulating truss 200 after being fully unfolded, so that the air in the space between the upper and lower layers of the insulating sheets 100 cannot convect arbitrarily, and the air in the space between the layers of the insulating sheets 100 on the left and right sides of the insulating truss 200 cannot convect arbitrarily, that is, the interior is insulated from the top and the sides, thereby making the insulation effect of the multi-span greenhouse insulation structure better.

[0098] In an optional implementation manner of this embodiment, refer to Figure 3 , three layers of first heat insulation structure connection structures 211 and second heat insulation structure connection structures 212 are arranged on each limiting vertical web member 210 on the heat insulation truss 200, and each layer of first heat insulation structure connection structures 211 and second heat insulation structure connection structures 212 on each limiting vertical web member 210 includes two spaced apart tightening connection holes 203 for tightening and connecting the suspension cable 108, and the two spaced apart tightening connection holes 203 should be at the same level, so that the lower surfaces of the heat insulation sheets in the first heat insulation structure 110 and the second heat insulation structure 120 connected thereto are at the same level, which is conducive to the close contact between the facade insulation structure of the multi-span greenhouse and it. The spacing distance between two adjacent layers of the first heat insulation structure connection structures 211 and the second heat insulation structure connection structures 212 is required to fully accommodate the height of the heat insulation sheet 100 after it is fully folded.

[0099] Specifically: the first heat insulation structure connection structure 211 and the second heat insulation structure connection structure 212 are both provided with tightening connection holes 203; and the suspension cables 108 are tightened between adjacent tightening connection holes 203 to facilitate the detachable connection of the suspension cables 108 and the tightening connection holes 203, and they do not interfere with each other during operation.

[0100] Further, refer to Figure 1 The limiting vertical web rod 210 includes two L-shaped steels 201 with wide surfaces close together, and a tightening connection hole 203 of a first thermal insulation structure connection structure 211 and a tightening connection hole 203 of a second thermal insulation structure connection structure 212 are respectively provided on the wide surfaces of the two L-shaped steels 201 that are away from each other.

[0101] Specifically: each group of limiting vertical web bars 210 is composed of two L-shaped steels 201, the two L-shaped steels 201 are tightly fitted, and the free ends of the suspension cables 108 of the first insulation structure 110 or the second insulation structure 120 are connected to the L-shaped steels 201 through the tightening connection holes 203.

[0102] In an optional implementation manner of this embodiment, refer to Figure 2 or Figure 4 The limiting vertical web member 210 includes a Z-shaped steel 202, and the Z-shaped steel 202 includes at least a first vertical wall structure, a second vertical wall structure and a third vertical wall structure. The first vertical wall structure is connected to the second vertical wall structure through the third vertical wall structure; the two sides of the third vertical wall structure connect the first vertical wall structure and the second vertical wall structure from adjacent sides to form a Z-shaped integrated structure; the first vertical wall structure and the second vertical wall structure are respectively provided with a tightening connection hole 203 of the first thermal insulation structure connection structure 211 and a tightening connection hole 203 of the second thermal insulation structure connection structure 212.

[0103] Specifically: the Z-shaped steel 202 is formed integrally by a first vertical wall structure, a second vertical wall structure and a third vertical wall structure, and the preferred solution is that the angle between the first vertical wall structure and the third vertical wall structure is 90 degrees, and the angle between the second vertical wall structure and the third vertical wall structure is 90 degrees.

[0104] Both ends of the suspension cable 108 of the first thermal insulation structure 110 or the second thermal insulation structure 120 are provided with a tightening connector 1081, and the tightening connector 1081 can be a sheep eye bolt, and the screw of the sheep eye bolt passes through the tightening connection hole 203 to achieve connection.

[0105] Reference Figure 6 The function of the diagonal web member 230 is to enhance the strength of the thermal insulation truss 200. When the strength of the limiting vertical web member 210 of the thermal insulation truss 200 is sufficient, the diagonal web member 230 may not be provided.

[0106] The insulation truss blocking structure 270 is disposed in the space between the upper chord 240, the lower chord 250, and the limiting vertical web bar 210, and is used to abut against the insulation sheet 100 in the first insulation structure 110 and the insulation sheet 100 in the second insulation structure 120 on both sides of the insulation truss 200. When constructing an energy-saving multi-span greenhouse, the blocking airbag 260, the insulation truss blocking structure 270, and the insulation sheet 100 cooperate with each other to better prevent the flow of heat energy between the upper and lower insulation sheets 100 of the multi-span greenhouse.

[0107] In an optional implementation manner of this embodiment, refer to Figure 7The heat-insulating sheet 100 includes an upper folding structure 101 and a lower folding structure 1011, and the heat-insulating sheet 100 is used to be unfolded or folded and retracted through the upper folding structure 101 and the lower folding structure 1011; the heat-insulating structure of the multi-span greenhouse also includes a hanging connector 109, the lower part of the hanging connector 109 is connected to the heat-insulating sheet 100 at the upper folding structure 101, and the upper part of the hanging connector 109 is movably hung and connected to the suspension cable 108; the heat-insulating sheet 100 is used to be folded or unfolded along the extension direction of the suspension cable 108 through the hanging connector 109 under the action of a preset power.

[0108] Specifically, the heat insulating sheet 100 is provided with a folding structure, including an upper folding structure 101 and a lower folding structure 1011 , and the hanging connector 109 connects the upper folding structure 101 with the suspension cable 108 . Figure 7 The hanging connection member 109 shown in the figure is provided with a roller, and the roller is connected to the suspension cable 108 in a rolling manner, and the heat insulation sheet 100 can be unfolded or folded as the hanging connection member 109 rolls back and forth on the suspension cable 108. Figure 7 The upper folded structure and the lower folded structure shown are structures formed by welding the edges of two adjacent strip-shaped thermal insulation materials.

[0109] In an optional implementation manner of this embodiment, refer to Figure 8 The heat-insulating sheet 100 includes an upper folding structure 101 and a lower folding structure 1011, and the heat-insulating sheet 100 is used to be unfolded or folded and folded through the upper folding structure 101 and the lower folding structure 1011; the multi-span greenhouse insulation structure also includes a hanging connection member 109, the lower part of the hanging connection member 109 is connected to the heat-insulating sheet 100 at the upper folding structure 101, and the upper part of the hanging connection member 109 is movably hung and connected to the suspension cable 108; the heat-insulating truss 200 includes a plurality of tow rope vertical web bars 220, The tow cable vertical web members 220 and the limiting vertical web members 210 are alternately arranged along the length direction of the insulation truss 200, and the tow cable vertical web members 220 are provided with a tow cable structure 221; the tow cable structure 221 and the first insulation structure connecting structure 211 and the second insulation structure connecting structure 212 on the limiting vertical web members 210 are at a similar level, and the tow cable structure 221 is used to movably pass through a preset traction rope, and to pull the movable end of the insulation sheet 100 to make a reciprocating motion through the preset traction rope, so as to fold or unfold the insulation sheet 100.

[0110] Specifically: the heat-insulating truss 200 includes an upper chord 240 and a lower chord 250, and a limit vertical web member 210 and a tow cable vertical web member 220 are alternately arranged between the upper chord 240 and the lower chord 250. The tow cable vertical web member 220 can be composed of two rods arranged at intervals. The limit vertical web member 210 is provided with three layers of first heat-insulating structure connection structure 211 and second heat-insulating structure connection structure 212, and both connection structures are tightening connection holes 203; the tow cable vertical web member 220 is alternately arranged with a first heat-insulating structure connection structure 211 and a second heat-insulating structure connection structure 212. Three layers of tow rope structures 221 are arranged, and the tow rope structures 221 of the same layer are at a similar level to the tightening connection holes 203. The preferred solution of the tow rope vertical web rod 220 is to be composed of two angle steels arranged at intervals. The preferred solution of the tow rope structure 221 is to set a pulley group or a roller group. The tow rope structure 221 is used to support the traction rope, and the traction rope can be connected to the movable end of the insulation sheet 100 of the upper folding structure 101, so as to overcome the smaller friction resistance for pulling the insulation sheet 100 to unfold or fold.

[0111] In an optional implementation manner of this embodiment, refer to Fig. 9 The insulation sheet 100 is an insulation coil 102, and the insulation structure includes a reel 1021. The insulation coil 102 and the reel 1021 are arranged above the suspension cable 108; the reel 1021 is fixedly connected to the movable end of the insulation coil 102, and the reel 1021 is used to roll on the suspension cable 108 under the action of a preset external force to wind and retract or release and unfold the insulation coil 102.

[0112] Specifically: two adjacent insulation trusses 200 are suspended and tautly connected to the suspension cable 108 and the balance track 530, and the insulation sheet 100 in the multi-span greenhouse insulation structure is provided with an insulation coil 102 and a reel 1021. The right end of the insulation coil 102 is a fixed end, which is connected to the right insulation truss 200; the left end of the insulation coil 102 is a movable end, which is connected to the reel 1021. The insulation sheet 100 can be wound and folded or released and unfolded on the reel 1021. The insulation coil 102 and the reel 1021 are placed on the suspension cable 108, and the suspension cable 108 supports the insulation sheet 100.

[0113] The third reduction motor 520 in the rolling drive system 500 is connected to the anti-flip frame 510, and the power output part of the third reduction motor 520 is rotatably connected to the reel 1021. The third reduction motor 520 can rotate clockwise or counterclockwise to synchronously drive the reel 1021 to roll right or left. The anti-flip frame 510 is connected to the balance track 530 to prevent the third reduction motor 520 from flipping when working.

[0114] When the heat insulation sheet 100 in the heat insulation structure needs to be unfolded in the unfolding direction 104 to implement the heat insulation function, the third reduction motor 520 rotates counterclockwise to make the reel 1021 roll leftward, so that the heat insulation coil 102 is released from the reel 1021 and laid on the suspension cable 108 until the heat insulation coil 102 is partially or completely unfolded;

[0115] When the insulation sheet 100 in the insulation structure needs to release the insulation function and be wound in the folding direction 105, the third reduction motor 520 rotates clockwise to roll the insulation reel 1021 to the right, so that the insulation coil 102 is wound on the reel 1021 and leaves the suspension cable 108 until the insulation coil 102 is partially or completely wound and folded.

[0116] In the second aspect, a method for using a multi-span greenhouse insulation structure, referring to Fig.10 or Fig.11 , using the above-mentioned multi-span greenhouse insulation structure and the hard rod driving system 300, the hard rod driving system 300 at least includes a power mechanism 310, a drag rod 320 and a suspended track 330; the suspended track 330 is arranged between the insulation trusses 200 and between the suspension cables 108 on the first insulation structure 110 and the second insulation structure 120, and the two ends of the suspended track 330 are tightly connected to the corresponding insulation trusses 200, and the suspended track 330 is provided with a friction resistance structure; the drag rod 320 is located below the suspended track 330, and the drag rod 320 is perpendicular to the suspended track 3 30, and connected to the movable end of the heat insulation sheet 100 and / or the hanging connector 109 on the movable end of the heat insulation sheet 100; the power mechanism 310 at least includes a moving frame 312, a first reduction motor 311 that can be rotated forward and reversely, and a driving wheel group 313; the drag rod 320 is connected to the moving frame 312; the first reduction motor 311 and the driving wheel group 313 are connected to the moving frame 312, the first reduction motor 311 is drivingly connected to the driving wheel group 313, the driving wheel group 313 is movably connected to the suspended track 330, and the driving wheel group 313 matches the friction resistance structure;

[0117] The method of use includes the following steps:

[0118] The first reduction motor 311 is started to rotate forward, and accordingly the driving wheel set 313 is driven to move forward along the suspended track 330, and the moving frame 312 drives the towing rod 320 to pull the movable end of the heat insulation sheet 100 to move in the direction of unfolding the heat insulation sheet 100, until the heat insulation sheet 100 is unfolded to a preset state, so that the heat insulation structure of the multi-span greenhouse can perform the heat insulation function;

[0119] The first reduction motor 311 is started to rotate in the reverse direction, and accordingly the driving wheel group 313 is driven to retreat along the suspended track 330. The moving frame 312 drives the towing rod 320 to pull the movable end of the insulation sheet 100 to move in the direction of folding the insulation sheet 100 until the insulation sheet 100 is folded to a preset state, so that the insulation function of the multi-span greenhouse insulation structure is released.

[0120] Specifically: the heat insulation sheet 100 in the heat insulation structure of the multi-span greenhouse is provided with an upper folding structure 101 and a lower folding structure 1011, and is suspended and connected below the suspension cable 108. The limiting vertical web bar 210 of the heat insulation truss 200 is a Z-shaped steel 202, and the spacing distance of the limiting vertical web bar 210 in the heat insulation truss 200 corresponds to the spacing distance between the suspension cables 108 on both sides. One end of the suspension cable 108 is connected to the Z-shaped steel 202 on the corresponding side by an eye bolt, and the other end is connected to the Z-shaped steel 202 on the corresponding side in any manner.

[0121] The hard rod driving system 300 at least includes a power mechanism 310, a towing rod 320, and a suspended track 330; the suspended track 330 is respectively arranged between the insulation trusses 200 and between the suspension cables 108 on the first insulation structure 110 and the second insulation structure 120, and both ends are tightly connected to the corresponding insulation trusses 200; a friction resistance structure is provided on the suspended track; the towing rod 320 is located below the suspended track 330, perpendicular to the suspended track 330, and connected to the movable end of the insulation sheet 100, and / or the hanging connector 109 on the movable end of the insulation sheet 100; the power mechanism 310 to The present invention comprises at least a moving frame 312, a first reduction motor 311 which can rotate forward and reverse, and a driving wheel set 313; the drag rod 320 is connected to the moving frame 312; the first reduction motor 311 and the driving wheel set 313 are connected to the moving frame 312 according to a preset scheme, the first reduction motor 311 is drivingly connected to the driving wheel set 313, the driving wheel set 313 is movably drivingly connected to the suspended track 330, and the driving wheel set 313 is used in conjunction with the friction resistance structure of the suspended track 330, and this coordinated use utilizes the friction resistance structure to prevent the driving wheel set 313 from slipping or idling when rolling on the suspended track 330.

[0122] The method of using the multi-span greenhouse insulation structure includes the following steps:

[0123] When the multi-span greenhouse insulation structure is required to implement the insulation function, the first reduction motor 311 is started to rotate in the forward direction, and the driving wheel group 313 is driven to move forward along the suspended track 330 accordingly, and the moving frame 312 drives the towing rod 320 to pull the movable end of the insulation sheet 100 to move in the unfolding direction 104 of the insulation sheet 100 until the insulation sheet 100 is unfolded to a preset state;

[0124] When the insulation function of the multi-span greenhouse insulation structure needs to be released, the first reduction motor 311 is started to rotate in the opposite direction, and the driving wheel group 313 is driven to retreat along the suspended track 330 accordingly. The moving frame 312 drives the towing rod 320 to pull the movable end of the insulation sheet 100 to move in the folding direction 105 of the insulation sheet 100 until the insulation sheet 100 is folded to a preset state.

[0125] The rigid rod driving system 300 arranged above the first thermal insulation structure 110 and the rigid rod driving system 300 arranged above the second thermal insulation structure 120 may be set with the same deployment direction 104 and folding direction 105 , or may be set with different deployment directions 104 and folding directions 105 .

[0126] In an optional implementation manner of this embodiment, refer to Fig.12 , using the above-mentioned multi-span greenhouse insulation structure and the single-room traction drive system 400, that is, the space between adjacent insulation trusses 200 is regarded as a single room, and the single-room traction drive system 400 at least includes a single-room driving wheel 410, a single-room driven wheel 420 and a single-room closed-loop traction chain 430; the single-room driving wheel 410 and the single-room driven wheel 420 are arranged at intervals, and the single-room closed-loop traction chain 430 is connected to the single-room driving wheel 410 and the single-room driven wheel 420, and the single-room driving wheel 410, the single-room driven wheel 420 and the single-room closed-loop traction chain 430 are arranged on the first insulation structure 110 and the second insulation structure 120 Above, that is, above the first thermal insulation structure 110 and the second thermal insulation structure 120, a single-room driving wheel 410, a single-room driven wheel 420 and a single-room closed-loop traction chain 430 are arranged; the single-room driving wheel 410 and the single-room driven wheel 420 are rotationally connected to the thermal insulation truss 200 connecting the first thermal insulation structure 110 and the second thermal insulation structure 120 in a preset manner, and each single-room closed-loop traction chain 430 is connected to the movable end of the thermal insulation sheet 100 of the first thermal insulation structure 110 or the second thermal insulation structure 120 at a preset position, and / or is connected to the hanging connector 109 of the movable end of the thermal insulation sheet 100;

[0127] The method of use includes the following steps:

[0128] The single-room driving wheel 410 is rotated forward, and the single-room closed-loop traction chain 430 is correspondingly driven to rotate forward, driving the movable end of the heat-insulating sheet 100 to move in the direction of unfolding the heat-insulating sheet 100, until the heat-insulating sheet 100 is unfolded to a preset state, so that the heat-insulating structure of the multi-span greenhouse can perform the heat-insulating function;

[0129] The single-room driving wheel 410 rotates in the opposite direction, and accordingly drives the single-room closed-loop traction chain 430 to rotate in the opposite direction, driving the movable end of the insulation sheet 100 to move in the direction of folding the insulation sheet 100 until the insulation sheet 100 is folded to a preset state, so that the insulation function of the multi-span greenhouse insulation structure is released.

[0130] Specifically: the heat insulation sheet 100 is provided with an upper folding structure 101 and is suspended and connected below the suspension cable 108. The limiting vertical web member 210 of the heat insulation truss 200 is a Z-shaped steel 202. The spacing distance of the limiting vertical web member 210 in the heat insulation truss 200 corresponds to the spacing distance between the suspension cables 108 on both sides thereof. One end of the suspension cable 108 is connected to the Z-shaped steel 202 on the corresponding side by an eye bolt, and the other end is connected to the Z-shaped steel 202 on the corresponding side in any manner.

[0131] The driving system for driving the heat insulation sheets 100 between adjacent heat insulation trusses 200 to move along the unfolding direction 104 or along the folding direction 105 is a single-room traction driving system 400;

[0132] The single-room traction drive system 400 at least includes a single-room driving wheel 410, a single-room driven wheel 420 and a single-room closed-loop traction chain 430. The single-room driving wheel 410 and the single-room driven wheel 420 are arranged at intervals, and the single-room closed-loop traction chain 430 is non-sliply sleeved on the single-room driving wheel 410 and the single-room driven wheel 420. The single-room driving wheel 410, the single-room driven wheel 420 and the single-room closed-loop traction chain 430 are arranged above the first insulation structure 110 and the second insulation structure 120. The single-room driving wheel 410 and the single-room driven wheel 420 are respectively sleeved on the single-room driving shaft 411 and the single-room driven shaft 421. 411 and the single-room driven shaft 421 are rotatably connected to the single-room driving shaft frame 412 and the single-room driven shaft frame 422 respectively, the single-room driving shaft frame 412 and the single-room driven shaft frame 422 are respectively fixed to the insulation truss 200 connecting the first insulation structure 110 and the second insulation structure 120, and the single-room closed-loop traction chain 430 is connected to the movable end of the insulation sheet 100 of the first insulation structure 110 and the second insulation structure 120 at a preset position through the single-room traction connection part 401, and / or the hanging connection part 109 connected to the movable end; one end of the single-room driving shaft 411 is connected to the second reduction motor 440 which can be reversed in both directions.

[0133] The method of using the multi-span greenhouse insulation structure includes the following steps:

[0134] When the multi-span greenhouse insulation structure is required to implement the insulation function, the second reduction motor 440 drives the single-room drive shaft 411 to drive the single-room drive wheel 410 to rotate forward, and correspondingly drives the single-room closed-loop traction chain 430 to rotate forward, driving the movable end of the insulation sheet 100 to move in the direction of unfolding the insulation sheet 100, until the insulation sheet 100 is unfolded to a preset state;

[0135] When the insulation function of the multi-span greenhouse insulation structure needs to be released, the second reduction motor 440 drives the single-room drive shaft 411 to drive the single-room drive wheel 410 to rotate in the opposite direction, and correspondingly drives the single-room closed-loop traction chain 430 to rotate in the opposite direction, driving the movable end of the insulation sheet 100 to move in the direction of folding the insulation sheet 100 until the insulation sheet 100 is folded to a preset state.

[0136] The non-slip connection method at least includes a sprocket chain connection, in which case the single-room driving wheel 410 and the single-room driven wheel 420 can both be sprockets, and the single-room closed-loop traction chain 430 is a chain; and other non-slip connection methods can also be used.

[0137] Under the driving action of the single-room traction drive system 400 , the deployment direction 104 and the folding direction 105 of each first thermal insulation structure 110 and each second thermal insulation structure 120 may be the same or different.

[0138] In an optional implementation manner of this embodiment, refer to Fig.13 or Fig.14 , using the above-mentioned multi-span greenhouse insulation structure and a multi-room traction drive system 600, the multi-room traction drive system 600 at least includes a multi-room driving wheel 610, a multi-room driven wheel 620 and a multi-room closed-loop traction chain 630;

[0139] A plurality of driving wheels 610, a plurality of driven wheels 620 and a plurality of closed-loop traction chains 630 are arranged above the first heat insulation structure 110 and the second heat insulation structure 120;

[0140] A plurality of driving wheels 610 and a plurality of driven wheels 620 are arranged with at least one insulating truss 200 spaced apart, and the plurality of driving wheels 610 are rotatably connected to the insulating truss 200 located at one side in a preset manner, and the plurality of driven wheels 620 are rotatably connected to the insulating truss 200 located at the other side in a preset manner;

[0141] The two ends of the multi-room closed-loop traction chain 630 are sleeved and connected to the multi-room driving wheels 610 and the multi-room driven wheels 620, and the middle part thereof moves and passes through the tow rope structure 221 on the tow rope vertical web bar 220 of the insulation truss 200 located in the middle. The multi-room closed-loop traction chain 630 is connected to the movable ends of the insulation sheets 100 of the corresponding first insulation structure 110 and the second insulation structure 120 at multiple preset positions, and / or the hanging connector 109 connected to the movable ends of the insulation sheets 100;

[0142] The method of use includes the following steps:

[0143] The driving wheels 610 are rotated forward, and the closed-loop traction chains 630 are driven to rotate forward accordingly, so as to drive the movable ends of the insulation sheets 100 to move in the direction of unfolding the insulation sheets 100, until the insulation sheets 100 are unfolded to a preset state, so that the insulation structure of the multi-span greenhouse can perform the insulation function;

[0144] The multiple driving wheels 610 rotate in the opposite direction, and accordingly drive the multiple closed-loop traction chains 630 to rotate in the opposite direction, driving the movable ends of each insulation sheet 100 to move in the direction of folding the insulation sheet 100 until the insulation sheet 100 is folded to a preset state, so that the insulation function of the multi-span greenhouse insulation structure is released.

[0145] Specifically: the insulation truss 200 also includes a plurality of tow cable vertical web members 220, and the tow cable vertical web members 220 and the limiting vertical web members 210 are alternately arranged along the length direction of the insulation truss 200, and a tow cable structure 221 is provided on the tow cable vertical web member 220, and the tow cable structure 221 and the first insulation structure connecting structure 211 and the second insulation structure connecting structure 212 on the limiting vertical web member 210 are at a similar level, and the tow cable structure 221 is used to movably pass through a plurality of closed-loop traction chains 630, and the movable end of the insulation sheet 100 is pulled to perform reciprocating motion by the plurality of closed-loop traction chains 630 so as to fold or unfold the insulation sheet 100.

[0146] The multi-room traction drive system 600 at least includes a multi-room driving wheel 610, a multi-room driven wheel 620 and a multi-room closed-loop traction chain 630, and the multi-room driving wheel 610, the multi-room driven wheel 620 and the multi-room closed-loop traction chain 630 are arranged above the first insulation structure 110 and the second insulation structure 120;

[0147] The multi-room driving wheels 610 and the multi-room driven wheels 620 are arranged with two insulation trusses 200 in between, the multi-room driving wheels 610 are rotatably connected to the insulation truss 200 located at the left side, the multi-room driven wheels 620 are rotatably connected to the insulation truss 200 located at the right side, the multi-room closed-loop traction chain 630 is sleeved on both ends of the multi-room driving wheels 610 and the multi-room driven wheels 620, and the middle part is movably connected to the tow cable structure 221 on the tow cable vertical web rods 220 located at the two insulation trusses 200 in the middle, and the multi-room closed-loop traction chain 630 is connected to the movable ends of the insulation sheets 100 of the corresponding first insulation structure 110 and the second insulation structure 120 at the corresponding multi-room traction connection parts 601, and / or the hanging connection parts 109 connected to the movable ends;

[0148] The multiple driving wheels 610 and the multiple driven wheels 620 are respectively non-sliply connected to the multiple driving shafts 611 and the multiple driven shafts 621, which are rotatably connected to the multiple driving shaft frames 612 and the multiple driven shaft frames 622, respectively. The multiple driving shaft frames 612 and the multiple driven shaft frames 622 are respectively fixed to the insulation trusses 200 at the left and right sides, and one end of the multiple driving shafts 611 is connected to a fourth reduction motor 640 which can rotate forward and reverse.

[0149] The method of using the multi-span greenhouse insulation structure includes the following steps:

[0150] When the multi-span greenhouse insulation structure is required to implement the insulation function, the fourth reduction motor 640 drives the multi-room drive shaft 611 to drive the multi-room drive wheel 610 to rotate forward, and correspondingly drives the multi-room closed-loop traction chain 630 to rotate forward, driving the movable end of each insulation sheet 100 to move in the unfolding direction 104 of the insulation sheet 100, until the insulation sheet 100 is unfolded to a preset state;

[0151] When the insulation function of the multi-span greenhouse insulation structure needs to be released, the fourth reduction motor 640 drives the multiple drive shafts 611 to drive the multiple drive wheels 610 to rotate in the opposite direction, and correspondingly drives the multiple closed-loop traction chains 630 to rotate in the opposite direction, driving the movable ends of each insulation sheet 100 to move in the folding direction 105 of the insulation sheet 100 until the insulation sheet 100 is folded to a preset state.

[0152] The non-slip connection method at least includes a sprocket chain connection. In this case, the multiple driving wheels 610 and the multiple driven wheels 620 can both be sprockets, and the multiple closed-loop traction chains 630 can be chains, or other non-slip connection methods.

[0153] Under the driving action of the multi-room traction drive system 600 , the deployment direction 104 and the folding direction 105 of each of the first thermal insulation structure 110 and the second thermal insulation structure 120 are the same.

[0154] Further, refer to Fig. 9 , using the above-mentioned multi-span greenhouse insulation structure and the rolling drive system 500, the rolling drive system 500 at least includes an anti-overturning frame 510, a third reduction motor 520 that can be rotated forward and reverse, and a balance track 530;

[0155] The balance track 530 is arranged parallel to the suspension cable 108 in the heat insulation structure, and is fixedly connected to the heat insulation truss 200 connected to the suspension cable 108 in a preset manner;

[0156] The third reduction motor 520 is connected to the anti-turnover frame 510, the power output part of the third reduction motor 520 is drivingly connected to the reel 1021, and the anti-turnover frame 510 is anti-turnover connected to the balance track 530;

[0157] The method of use includes the following steps:

[0158] The third reduction motor 520 is rotated forward to make the reel 1021 roll forward, and the third reduction motor 520 and the anti-turnover frame 510 move forward synchronously on the balance track 530, so that the heat insulation coil 102 is released from the reel 1021 and laid on the suspension cable 108, until the heat insulation coil 102 is partially or completely unfolded, so that the multi-span greenhouse insulation structure can perform the insulation function;

[0159] The third reduction motor 520 is rotated in the opposite direction to make the reel 1021 roll backward. The third reduction motor 520 and the anti-turnover frame 510 move backward synchronously on the balance track 530 to make the insulation coil 102 wind around the reel 1021 until the insulation coil 102 is partially or completely wound around the reel 1021, so that the insulation function of the multi-span greenhouse insulation structure is released.

[0160] Finally, it should be noted that: the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same or similar parts between the various embodiments can be referenced to each other; the above embodiments in this specification are only used to illustrate the technical solution of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that: it is still possible to modify the technical solutions recorded in the aforementioned embodiments, or to replace some or all of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present invention.

Claims

1. A multi-span greenhouse insulation structure, characterized in that: It comprises a heat-insulating truss, a first heat-insulating structure and a second heat-insulating structure, wherein the heat-insulating trusses are arranged in multiple rows, and the multiple rows of the heat-insulating trusses are spaced apart; The first heat insulation structure and the second heat insulation structure are alternately distributed between the plurality of rows of heat insulation trusses; The first heat insulation structure and the second heat insulation structure both include a heat insulation sheet and a plurality of suspended cables arranged at intervals, the heat insulation sheet is connected to the suspended cables, and the heat insulation sheet is used to be unfolded along the extension direction of the suspended cables to achieve a heat insulation function; and the heat insulation sheet is also used to be folded along the extension direction of the suspended cables to release the heat insulation function; The length of the suspension cable matches the length of the thermal insulation sheet after being unfolded; The thermal insulation truss comprises a plurality of position-limiting vertical web members, each of which is provided with a first thermal insulation structure connection structure and a second thermal insulation structure connection structure for position limiting, and the spacing distance of the position-limiting vertical web members corresponds one-to-one to the spacing distance of the suspension cables in the thermal insulation structure; The first thermal insulation structure connection structures on the position-limiting vertical web members of two adjacent rows of the thermal insulation trusses and the suspended cables of the first thermal insulation structures connected thereto correspond one to one; The second thermal insulation structure connection structures on the position-limiting vertical web members of two adjacent rows of the thermal insulation trusses and the suspension cables on the connected second thermal insulation structures correspond one to one; The two ends of the suspension cable corresponding to the first thermal insulation structure are tightly connected to the two corresponding first thermal insulation structure connection structures on the position-limiting vertical web members of the two adjacent rows of thermal insulation trusses; the two ends of the suspension cable on the second thermal insulation structure are tightly connected to the two corresponding second thermal insulation structure connection structures on the position-limiting vertical web members of the two adjacent rows of thermal insulation trusses; One preset end of the thermal insulation sheet corresponding to the adjacent thermal insulation truss is a fixed end, and the fixed end is fixedly connected to the thermal insulation truss on the opposite side; the other end is set as a movable end, and the movable end is used to approach or move away from the thermal insulation truss on the opposite side.

2. The multi-span greenhouse insulation structure according to claim 1, characterized in that: The first thermal insulation structure and the second thermal insulation structure each include a plurality of thermal insulation sheets, and the plurality of thermal insulation sheets of the same thermal insulation structure are arranged at intervals along the extension direction of the thermal insulation truss; The multi-span greenhouse insulation structure further includes a blocking air bag, which is arranged between two adjacent insulation sheets, and two ends of the blocking air bag are connected to two adjacent insulation trusses; The blocking airbag is inflated or deflated to cooperate with the adjacent thermal insulation sheet to expand to implement the thermal insulation function or to collapse to release the thermal insulation function.

3. The multi-span greenhouse insulation structure according to claim 1 or 2, characterized in that: Multiple layers of the first thermal insulation structure and the second thermal insulation structure are arranged at intervals along the height direction of the thermal insulation truss, and a thermal insulation truss blocking structure is arranged on the thermal insulation truss corresponding to two adjacent layers of the first thermal insulation structure and the second thermal insulation structure; The heat-insulating truss blocking structure is connected to the corresponding heat-insulating truss to prevent air convection between two adjacent layers of the first heat-insulating structure and the second heat-insulating structure.

4. The multi-span greenhouse insulation structure according to claim 1, characterized in that: The first heat insulation structure connection structure and the second heat insulation structure connection structure include two tightening connection holes which are arranged at intervals and are used for tightening and connecting the suspension cables.

5. The multi-span greenhouse insulation structure according to claim 4, characterized in that: The position-limiting vertical web rod comprises two L-shaped steels whose wide surfaces are close together, and the tightening connection holes of the first heat insulation structure connection structure and the tightening connection holes of the second heat insulation structure connection structure are respectively provided on the wide surfaces of the two L-shaped steels which are away from each other.

6. The multi-span greenhouse insulation structure according to claim 4, characterized in that: The position-limiting vertical web member comprises a Z-shaped steel, and the Z-shaped steel comprises at least a first vertical wall structure, a second vertical wall structure and a third vertical wall structure, and the first vertical wall structure is connected to the second vertical wall structure through the third vertical wall structure; The two sides of the third vertical wall structure connect the first vertical wall structure and the second vertical wall structure from adjacent sides to form a Z-shaped integrated structure; The first vertical wall structure and the second vertical wall structure are respectively provided with the tightening connection hole of the first heat insulation structure connection structure and the tightening connection hole of the second heat insulation structure connection structure.

7. The multi-span greenhouse insulation structure according to claim 1, characterized in that: The heat-insulating sheet comprises an upper folding structure and a lower folding structure, and the heat-insulating sheet is used to be unfolded or folded and folded through the upper folding structure and the lower folding structure; The multi-span greenhouse insulation structure further comprises a hanging connection member, the lower portion of which is connected to the insulation sheet at the upper folding structure, and the upper portion of which is movably hung and connected to the suspension cable; The heat-insulating sheet is used to be folded or unfolded along the extension direction of the suspension cable through the hanging connection piece under the action of a preset power.

8. The multi-span greenhouse insulation structure according to claim 1, characterized in that: The heat-insulating sheet comprises an upper folding structure and a lower folding structure, and the heat-insulating sheet is used to be unfolded or folded and folded through the upper folding structure and the lower folding structure; The multi-span greenhouse insulation structure further comprises a hanging connection member, the lower portion of which is connected to the insulation sheet at the upper folding structure, and the upper portion of which is movably hung and connected to the suspension cable; The heat-insulating truss comprises a plurality of tow cable vertical web members, wherein the tow cable vertical web members and the position-limiting vertical web members are alternately arranged along the length direction of the heat-insulating truss, and the tow cable vertical web members are provided with tow cable structures; The tow rope structure is at a similar level to the first insulation structure connection structure and the second insulation structure connection structure on the limiting vertical web rod. The tow rope structure is used to movably pass through a preset traction rope, and to pull the movable end of the insulation sheet to perform reciprocating motion through the preset traction rope so as to fold or unfold the insulation sheet.

9. The multi-span greenhouse insulation structure according to claim 1, characterized in that: The heat insulation sheet is a heat insulation coil, and the heat insulation structure includes a reel, and the heat insulation coil and the reel are arranged above the suspension cable; The reel is fixedly connected to the movable end of the thermal insulation coil, and the reel is used to roll on the suspension cable under the action of a preset external force to wind and retract or release and unfold the thermal insulation coil.

10. A method for using the multi-span greenhouse insulation structure according to claim 7, characterized in that: Using the above-mentioned multi-span greenhouse insulation structure and the hard rod driving system, the hard rod driving system at least includes a power mechanism, a towing rod and a suspended track; The suspended track is arranged between the insulation trusses and between the suspension cables on the first insulation structure and the second insulation structure, and both ends of the suspended track are tightly connected to the corresponding insulation trusses, and the suspended track is provided with a friction resistance structure; The towing rod is located below the suspended track, and the towing rod is perpendicular to the suspended track and connected to the movable end of the thermal insulation sheet and / or the hanging connector on the movable end of the thermal insulation sheet; The power mechanism at least includes a moving frame, a first reduction motor capable of forward and reverse rotation, and a driving wheel set; The drag rod is connected to the moving frame; The first reduction motor and the driving wheel set are connected to the moving frame, the first reduction motor is drivingly connected to the driving wheel set, the driving wheel set is movably connected to the suspended track, and the driving wheel set matches the friction resistance structure; The method of use includes the following steps: The first reduction motor is started to rotate forward, and accordingly the driving wheel group is driven to move forward along the suspended track, and the moving frame drives the towing rod to pull the movable end of the insulation sheet to move in the direction of unfolding the insulation sheet until the insulation sheet is unfolded to a preset state, so that the multi-span greenhouse insulation structure can perform the insulation function; Start the first reduction motor to rotate in the reverse direction, and accordingly drive the driving wheel group to retreat along the suspended track. The moving frame drives the supporting rod to pull the movable end of the insulation sheet to move in the direction of folding the insulation sheet until the insulation sheet is folded to a preset state, so that the insulation function of the multi-span greenhouse insulation structure is released.

11. A method for using the multi-span greenhouse insulation structure according to claim 7, characterized in that: Using the above-mentioned multi-span greenhouse insulation structure and a single-room traction drive system, the single-room traction drive system at least includes a single-room driving wheel, a single-room driven wheel and a single-room closed-loop traction chain rope; The single-room driving wheel and the single-room driven wheel are arranged at intervals, the single-room closed-loop traction chain is connected with the single-room driving wheel and the single-room driven wheel, and the single-room driving wheel, the single-room driven wheel and the single-room closed-loop traction chain are arranged above the first heat insulation structure and the second heat insulation structure; The single-room driving wheel and the single-room driven wheel are rotationally connected to the insulation truss connecting the first insulation structure and the second insulation structure in a preset manner, and the single-room closed-loop traction chain is connected to the movable ends of the insulation sheets of the first insulation structure and the second insulation structure at a preset position, and / or is connected to the hanging connector at the movable end of the insulation sheet; The method of use includes the following steps: The single-room driving wheel is made to rotate forward, and the single-room closed-loop traction chain is driven to rotate forward accordingly, so as to drive the movable end of the heat-insulating sheet to move in the direction of unfolding the heat-insulating sheet, until the heat-insulating sheet is unfolded to a preset state, so that the heat-insulating structure of the multi-span greenhouse can perform the heat-insulating function; The single-room driving wheel is made to rotate in the opposite direction, and the single-room closed-loop traction chain is correspondingly driven to rotate in the opposite direction, driving the movable end of the insulation sheet to move in the direction of folding the insulation sheet until the insulation sheet is folded to a preset state, so that the insulation function of the multi-span greenhouse insulation structure is released.

12. A method for using the multi-span greenhouse insulation structure according to claim 8, characterized in that: Using the above-mentioned multi-span greenhouse insulation structure and a multi-room traction drive system, the multi-room traction drive system at least includes a multi-room driving wheel, a multi-room driven wheel and a multi-room closed-loop traction chain rope; The plurality of driving wheels, the plurality of driven wheels and the plurality of closed-loop traction chains are arranged above the first heat insulation structure and the second heat insulation structure; The plurality of driving wheels and the plurality of driven wheels are arranged with at least one of the insulation trusses spaced apart, the plurality of driving wheels are rotationally connected to the insulation truss located at one side edge in a preset manner, and the plurality of driven wheels are rotationally connected to the insulation truss located at the other side edge in a preset manner; Both ends of the multi-room closed-loop traction chain are sleeved and connected to the multi-room driving wheels and the multi-room driven wheels, and the middle part thereof is movable and connected to the tow cable structure on the tow cable vertical web rod of the thermal insulation truss located in the middle, and the multi-room closed-loop traction chain is connected to the corresponding active ends of the thermal insulation sheets of the first thermal insulation structure and the second thermal insulation structure at multiple preset positions, and / or the hanging connector connected to the active ends of the thermal insulation sheets; The method of use includes the following steps: The plurality of driving wheels are caused to rotate forward, and the plurality of closed-loop traction chains are driven to rotate forward accordingly, so as to drive the movable ends of the respective insulation sheets to move in the direction of unfolding the insulation sheets, until the insulation sheets are unfolded to a preset state, so that the insulation structure of the multi-span greenhouse can perform the insulation function; The multiple driving wheels are made to rotate in the opposite direction, and the multiple closed-loop traction chains are driven to rotate in the opposite direction accordingly, so as to drive the movable ends of each of the insulation sheets to move in the direction of folding the insulation sheets, until the insulation sheets are folded to a preset state, so that the insulation function of the multi-span greenhouse insulation structure is released.

13. A method for using the multi-span greenhouse insulation structure according to claim 9, characterized in that: Using the above-mentioned multi-span greenhouse insulation structure and rolling drive system, the rolling drive system at least includes an anti-overturning frame, a third reduction motor capable of forward and reverse rotation, and a balance track; The balance track is arranged in parallel with the suspension cable in the thermal insulation structure, and is fixedly connected to the thermal insulation truss connected to the suspension cable in a preset manner; The third reduction motor is connected to the anti-turnover frame, the power output part of the third reduction motor is connected to the reel driving, and the anti-turnover frame is connected to the balance track for anti-turnover; The method of use includes the following steps: The third reduction motor is rotated forward to make the reel roll forward, and the third reduction motor and the anti-turnover frame move forward synchronously on the balance track, so that the thermal insulation coil is released from the reel and laid on the suspension cable until the thermal insulation coil is partially or completely unfolded, so that the multi-span greenhouse insulation structure can perform the insulation function; The third reduction motor is rotated in the opposite direction to make the reel roll backward. The third reduction motor and the anti-overturning frame move backward synchronously on the balance track to wind the insulation coil around the reel until the insulation coil is partially or completely wound around the reel, thereby releasing the insulation function of the multi-span greenhouse insulation structure.

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