Winter concrete construction spray insulation protective shed and use method

Abstract

The present application relates to concrete wall construction technology field, concretely is a kind of winter jet concrete construction heat preservation protective shed and use method, it include: keel framework, keel framework is inclined to be built in the outside of wall, the outside of keel framework is covered with film poly heat shed;Flexible heat preservation layer is arranged between adjacent two compression tracks, and flexible heat preservation layer is covered in the outside of film poly heat shed;Poly heat shed pressure platform is rotatably installed with heat preservation layer winding roller for winding flexible heat preservation layer;Beneficial effect is: by the outside of keel framework is covered with film poly heat shed, flexible heat preservation layer is arranged between adjacent two compression tracks and is laid in the outside of film poly heat shed, flexible heat preservation layer is wound in daytime, sunlight directly hits film poly heat shed, and the temperature of wall in the area covered by film poly heat shed can be improved, flexible heat preservation layer is laid in nighttime, and it is used to heat preservation for the wall in the area, effectively improve the heat preservation effect to wall.

Description

Technical Field

[0001] The invention relates to the technical field of concrete wall construction, in particular to a heat-insulating protective shed for winter shotcrete construction and a use method thereof. Background Art

[0002] During winter construction, the low water temperature caused by low temperature will affect the construction effect of shotcrete and affect the quality and progress of the project.

[0003] In the prior art, after the concrete wall is sprayed, insulation treatment is performed by covering the wall with insulation boards to prevent the sudden drop in temperature at night from affecting the quality of the concrete.

[0004] However, the insulation board needs to be covered after the concrete is sprayed. The insulation board can only maintain the temperature of the wall surface itself, but it is difficult to increase the temperature of the wall surface. The insulation effect of the wall is poor at night in winter. Therefore, the present invention proposes a winter sprayed concrete construction insulation protection shed and its use method to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a winter shotcrete construction insulation protection shed and a method of use, so as to solve the problem proposed in the above background technology that the insulation board needs to be covered on the wall surface for insulation only after the concrete is shotcreted.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a winter sprayed concrete construction insulation protection shed, comprising:

[0007] A keel frame is constructed obliquely on the outside of the wall, and the outside of the keel frame is covered with a film heat collecting shed, the upper end of which covers the top of the wall;

[0008] A compression track, wherein a plurality of the compression tracks are provided and distributed at equal intervals, the compression tracks are pressed against the outside of the film heat collection shed, a flexible insulation layer is provided between two adjacent compression tracks, and the flexible insulation layer covers the outside of the film heat collection shed; and

[0009] The heat collecting shed pressing platform is arranged on the top of the wall and presses on the upper end of the film heat collecting shed. The heat collecting shed pressing platform is rotatably installed with an insulation layer winding roller for winding the flexible insulation layer.

[0010] Preferably, the keel frame is composed of multiple steel pipes distributed at equal intervals along the horizontal direction and the inclined vertical direction. The multiple steel pipes are built in a "well" shape and are fixed by cross buckles at the intersection. The inclination angle of the keel frame is set to 65-75 degrees.

[0011] Preferably, the thin film polythermal shed is composed of a plurality of transversely arranged strip-shaped polythermal films, and adjacent two strip-shaped polythermal films are fixedly connected by transparent adhesive tape. The thin film polythermal shed has a surplus at the four edges, the side edges of the thin film polythermal shed cover the gap between the side edges of the batten framework and the wall, and the surplus at the bottom of the thin film polythermal shed covers the ground and is buried in the ground.

[0012] Preferably, the flexible thermal insulation layer is a vertical strip-shaped thermal insulation blanket, both sides of the flexible thermal insulation layer are fixedly provided with winding ropes, the upper ends of the winding ropes are fixedly wound on the outside of the thermal insulation layer winding roller, and the bottom of the flexible thermal insulation layer is fixedly provided with a counterweight rod, both ends of the counterweight rod are fixedly connected with guide sliding blocks which are in sliding connection with the compression rail.

[0013] Preferably, the compression rail is a hollow steel pipe, the counterweight rod is a solid steel material, the bottom surface of the guide sliding block is provided with a guide clamping groove, the cross section of the guide clamping groove is arc-shaped, and the guide sliding block is slidably buckled on the outside of the compression rail through the guide clamping groove.

[0014] Preferably, the compression rail is a hollow steel pipe, the counterweight rod is a solid steel material, the bottom surface of the guide sliding block is provided with a guide clamping groove, the cross section of the guide clamping groove is arc-shaped, and the guide sliding block is slidably buckled on the outside of the compression rail through the guide clamping groove.

[0015] Preferably, the compression rail is a hollow steel pipe, the counterweight rod is a solid steel material, the bottom surface of the guide sliding block is provided with a guide clamping groove, the cross section of the guide clamping groove is arc-shaped, and the guide sliding block is slidably buckled on the outside of the compression rail through the guide clamping groove.

[0016] Preferably, the compression rail is a hollow steel pipe, the counterweight rod is a solid steel material, the bottom surface of the guide sliding block is provided with a guide clamping groove, the cross section of the guide clamping groove is arc-shaped, and the guide sliding block is slidably buckled on the outside of the compression rail through the guide clamping groove.

[0017] Preferably, the compression rail is a hollow steel pipe, the counterweight rod is a solid steel material, the bottom surface of the guide sliding block is provided with a guide clamping groove, the cross section of the guide clamping groove is arc-shaped, and the guide sliding block is slidably buckled on the outside of the compression rail through the guide clamping groove.

[0018] A use method of the winter concrete construction thermal insulation protection shed, comprising the following steps:

[0019] Step 1: Build the keel frame. Overlap and fix multiple steel pipes in a "well" shape to form the keel frame, and tilt the keel frame to the outside of the wall. The tilt angle of the keel frame is set to - degrees. There should be enough space between the bottom of the keel frame and the bottom of the wall for the concrete spraying equipment to enter.

[0020] Step 2: Cover and fix the film heat collection shed. Cover multiple strip heat collection films side by side on the outside of the keel frame and adhere them to each other with transparent tape to form a film heat collection shed. Then press multiple pressing rails side by side on the outside of the film heat collection shed. Make sure that the pressing parts are buckled on the outside of the vertical steel pipe of the keel frame and clamp the film heat collection shed to prevent the film heat collection shed from being blown by the wind.

[0021] Step three, cover the flexible thermal insulation layer, install the heat collecting shed press platform on the top of the wall and press the upper edge margin of the film heat collecting shed, then install the insulation layer winding roller with the flexible insulation layer rolled up on the surface of the heat collecting shed press platform, release a little flexible insulation layer and slide the guide slider through the guide slot to the outside of the compression track. The flexible insulation layer remains rolled up during the day and is completely released at night by rotating the insulation layer winding roller. The guide slider can slide downward along the length direction of the compression track under the action of the gravity of the counterweight rod until it falls to the ground. The flexible insulation layer can be unfolded and laid on the outside of the film heat collecting shed to ensure that the wall can be insulated at night.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] The present invention builds a keel frame at an angle on the outside of the wall, and the outside of the keel frame is covered with a film heat collection shed, which is compressed by multiple side-by-side compression tracks on its outside to prevent it from being blown by the wind. A flexible thermal insulation layer laid on the outside of the film heat collection shed is provided between two adjacent compression tracks, and the flexible thermal insulation layer is rolled up by a thermal insulation layer winding roller. A gap is left between the keel frame and the wall for concrete spraying construction. The flexible thermal insulation layer is rolled up during the day, and direct sunlight shining on the film heat collection shed can increase the wall temperature of the area covered by the film heat collection shed. At night, the flexible thermal insulation layer is spread out to insulate the wall in this area, which effectively improves the thermal insulation effect of the wall without affecting the concrete spraying construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the present invention;

[0025] Figure 2 This is an exploded schematic diagram of the overall structure of the present invention;

[0026] Figure 3 This is a three-dimensional schematic diagram of the structure of the compression track and the compression member of the present invention;

[0027] Figure 4 It is a partial cross-sectional view of the overall structure of the present application;

[0028] Figure 5 It is a winding schematic view of the insulation layer winding roller structure of the present application;

[0029] Figure 6 It is a three-dimensional schematic view of the guide slider structure of the present application.

[0030] In the figure: 1, keel framework; 2, film poly heat shed; 3, flexible insulation layer; 4, compression rail; 5, compression part; 6, poly heat shed compression table; 7, insulation layer winding roller; 8, isolation baffle; 9, driven pulley; 10, mounting boss; 11, positioning notch; 12, rail positioning plate; 13, positioning hole; 14, winding rope; 15, counterweight rod; 16, guide slider; 17, guide slot; 18, rail base. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme of the present application clear, complete and the advantages more clear and obvious, the following will further describe the embodiments of the present application in combination with the drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present application, not all embodiments, and are only used to explain the embodiments of the present application, and do not limit the embodiments of the present application. All other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0032] In the description of the present application, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance.

[0033] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] For the purposes of simplicity and illustration, the principles of the embodiments are primarily described by way of example. In the following description, numerous specific details are set forth to provide a thorough understanding of the embodiments. It will be apparent, however, to one ordinarily skilled in the art that the embodiments can be practiced without the specific details and that numerous implementation choices may be made. In some instances, well-known methods and structures have not been described in detail in order to avoid unnecessarily obscuring the embodiments. Also, all embodiments can be used in combination with each other.

[0035] Referring now to the drawings Figures 1 to 6 The present application provides a technical solution:

[0036] Embodiment one

[0037] A winter concrete spraying construction heat preservation shed, comprising: a keel framework 1, a compression rail 4 and a poly heat shed compression platform 6.

[0038] Specifically, the keel framework 1 is inclinedly built on the outer side of the wall, the outer side of the keel framework 1 is covered with a thin film poly heat shed 2, the upper end of the thin film poly heat shed 2 is covered on the top of the wall, the thin film poly heat shed 2 can transmit light, and the area between the thin film poly heat shed 2 and the wall is heated under the action of direct sunlight during the day to ensure the temperature of the wall surface sprayed concrete. Since the keel framework 1 is inclinedly arranged, sufficient space is left between the bottom of the keel framework 1 and the bottom of the wall for the entry of the concrete spraying equipment, so that the heat energy of the sunlight during the day can be effectively utilized to raise the temperature of the wall without affecting the concrete spraying work.

[0039] Secondly, the compression rail 4 is provided with a plurality of compression rails and is distributed at equal intervals, the compression rail 4 is pressed on the outer side of the thin film poly heat shed 2 to position the thin film poly heat shed 2 and avoid the thin film poly heat shed 2 from being blown by the wind, and a flexible heat preservation layer 3 is arranged between the adjacent two compression rails 4, the flexible heat preservation layer 3 covers the outer side of the thin film poly heat shed 2 at night to heat the area between the thin film poly heat shed 2 and the wall.

[0040] Further, the poly heat shed compression platform 6 is arranged on the top of the wall and is pressed on the upper end of the thin film poly heat shed 2 to avoid the thin film poly heat shed 2 from falling off, the heat preservation layer winding roller 7 for winding the flexible heat preservation layer 3 is rotatably installed on the poly heat shed compression platform 6, the flexible heat preservation layer 3 is wound on the outer side of the heat preservation layer winding roller 7 during the day to ensure that the sunlight can directly irradiate the thin film poly heat shed 2, and the flexible heat preservation layer 3 is released and laid on the outer side of the thin film poly heat shed 2 at night to reduce heat loss.

[0041] Embodiment two

[0042] On the basis of Example 1, in order not to affect the normal progress of concrete spraying, the keel frame 1 of the present application is composed of multiple steel pipes distributed at equal intervals in the horizontal direction and the inclined vertical direction. The multiple steel pipes are constructed in a "well" shape and are fixed at the intersection by cross buckles to ensure the stability of the keel frame 1 structure. The inclination angle of the keel frame 1 is set to 65-75 degrees, which can ensure that there is sufficient space between the bottom of the keel frame 1 and the bottom of the wall for the concrete spraying equipment to move.

[0043] Example 3

[0044] On the basis of Example 2, in order to refine the specific structure of the film heat collection shed 2, the film heat collection shed 2 of the present application is composed of a plurality of strip heat collection films distributed horizontally side by side, and the two adjacent strip heat collection films are bonded and fixed by transparent tape. Since the area where concrete spraying works gradually moves with the construction cycle, the film heat collection shed 2 is configured as a detachable structure rather than an integral structure. It can be disassembled and reorganized as the construction area changes to change the insulation area. There is a margin on all four edges of the film heat collection shed 2. The side edges of the film heat collection shed 2 cover the gap between the side of the keel frame 1 and the wall. The margin at the bottom of the film heat collection shed 2 covers the ground and is buried in the soil, which can maximize the sealing between the keel frame 1 and the wall and reduce heat loss.

[0045] Example 4

[0046] On the basis of embodiment 3, in order to facilitate the winding or unfolding of the flexible thermal insulation layer 3, the flexible thermal insulation layer 3 of the present application is a vertical strip thermal insulation blanket, and both sides of the flexible thermal insulation layer 3 are fixedly provided with a winding rope 14, the upper end of the winding rope 14 is fixed and wound around the outside of the thermal insulation layer winding roller 7, and the winding rope 14 is used to bear the force applied to the flexible thermal insulation layer 3 when it is wound, so as to prevent the flexible thermal insulation layer 3 from being pulled and torn when it is wound, and a counterweight rod 15 is fixedly provided at the bottom of the flexible thermal insulation layer 3. The lower end of 14 is fixed to the surface of the counterweight rod 15 together with the flexible thermal insulation layer 3. Both ends of the counterweight rod 15 are fixedly connected to the guide slider 16 which is slidably connected to the clamping track 4. The counterweight rod 15 itself has a certain weight, and the clamping track 4 is tilted with a large inclination angle. When the insulation layer winding roller 7 unwinds and rewinds the flexible thermal insulation layer 3, the counterweight rod 15 can move downward along the length direction of the clamping track 4 under the action of gravity, thereby unfolding the flexible thermal insulation layer 3 and laying it on the surface of the film heat collection shed 2.

[0047] Example 5

[0048] On the basis of embodiment four, in order to slide the guide sliding block 16 with the compression rail 4, the compression rail 4 of the application is a hollow steel pipe, the counterweight rod 15 is a solid steel material, the bottom surface of the guide sliding block 16 is provided with a guide clamping groove 17, the cross section of the guide clamping groove 17 is an arc shape, the guide sliding block 16 is slideably buckled on the outside of the compression rail 4 through the guide clamping groove 17, and after the guide clamping groove 17 is buckled on the outside of the compression rail 4, it can avoid easy disengagement with the compression rail 4.

[0049] Embodiment six

[0050] On the basis of embodiment five, in order to compress the thin film polythermal shed 2, the application further has a plurality of compression members 5 fixedly connected on the surface of the compression rail 4, the compression members 5 are arranged in an "M" shape, and the corners are arranged in an arc shape, the recess in the middle of the compression member 5 is clamped on the outside of the vertical steel pipe of the keel framework 1 and clamps the thin film polythermal shed 2, as shown in Figure 4 , the compression member 5 clamps the thin film polythermal shed 2 on the vertical steel pipe of the keel framework 1, which can avoid the movement of the thin film polythermal shed 2 and will not cause the thin film polythermal shed 2 to be punctured by the corners of the compression member 5.

[0051] Embodiment seven

[0052] On the basis of embodiment six, in order to position the compression rail 4, the application further has a mounting boss 10 fixedly connected on one side of the polythermal shed pressing table 6, a plurality of positioning slots 11 corresponding to the plurality of compression rails 4 are formed on the side edge of the mounting boss 10, the upper end of the compression rail 4 penetrates the positioning slot 11, the upper end of the compression rail 4 is fixedly connected with a rail positioning plate 12, and a plurality of positioning holes 13 are formed on the surface of the mounting boss 10, and the rail positioning plate 12 is fixedly connected with the mounting boss 10 through bolts, as shown in Figure 5 , the upper end of the compression rail 4 can be fixed with the polythermal shed pressing table 6, avoiding the movement of the compression rail 4 affecting the winding and unfolding path of the flexible thermal insulation layer 3.

[0053] Embodiment eight

[0054] On the basis of embodiment seven, the application further has a rail base 18 fixedly connected at the lower end of the compression rail 4, the rail base 18 penetrates the joint seam between the adjacent two strip polythermal films on the thin film polythermal shed 2, and the rail base 18 is attached to the ground and fixed with the ground through anchor rods, so that the upper and lower ends of the compression rail 4 can be fixed.

[0055] Embodiment nine

[0056] On the basis of embodiment eight, in order to roll up the flexible thermal insulation layer 3, the present application also has a plurality of isolation retaining rings 8 fixedly arranged in the middle of the thermal insulation layer winding roller 7, and the plurality of isolation retaining rings 8 are spaced apart from the plurality of flexible thermal insulation layers 3 to avoid deviation of the flexible thermal insulation layer 3 when winding up. The end of the thermal insulation layer winding roller 7 is fixedly connected to a driven pulley 9, and the outer side of the thermal insulation layer winding roller 7 is provided with a forward and reverse motor installed on the surface of the heat collection shed press table 6. The output end of the forward and reverse motor is fixedly connected to a main drive pulley, and the main drive pulley drives the driven pulley 9 to rotate through a drive belt. Figure 5 As shown, when the insulation layer winding roller 7 rotates, multiple flexible insulation layers 3 can be wound simultaneously. The illustrated structure of this device is a group of insulation protection sheds. In actual use, two groups of insulation protection sheds are set up, one group is set in the area under construction, and the other group is set in the area to be constructed later. As the construction progresses and the construction area changes, the position of the insulation protection sheds is dismantled and re-connected to cooperate with the construction.

[0057] The present invention also discloses a method for using the above-mentioned winter sprayed concrete construction thermal insulation protection shed, which specifically comprises the following steps:

[0058] Step 1: Build the keel frame 1. Overlap and fix multiple steel pipes in a "well" shape to form the keel frame 1, and tilt the keel frame 1 to the outside of the wall. The tilt angle of the keel frame 1 is set to 65-75 degrees. There is enough space between the bottom of the keel frame 1 and the bottom of the wall for the concrete spraying equipment to enter.

[0059] Step 2: Cover and fix the film heat collection shed 2. Cover multiple strip heat collection films side by side on the outside of the keel frame 1 and adhere them to each other with transparent tape to form the film heat collection shed 2. Then press multiple pressing rails 4 side by side on the outside of the film heat collection shed 2, making sure that the pressing parts 5 are buckled on the outside of the vertical steel pipe of the keel frame 1 and clamp the film heat collection shed 2 to prevent the film heat collection shed 2 from being blown by the wind.

[0060] Step three, cover the flexible thermal insulation layer 3, install the heat collecting shed pressing platform 6 on the top of the wall and press the upper edge margin of the film heat collecting shed 2, then install the insulation layer winding roller 7 with the flexible thermal insulation layer 3 rolled up on the surface of the heat collecting shed pressing platform 6, release a little of the flexible thermal insulation layer 3 and slide the guide slider 16 through the guide slot 17 to the outside of the clamping track 4. The flexible thermal insulation layer 3 remains rolled up during the day and is completely released at night by rotating the insulation layer winding roller 7. The guide slider 16 can slide downward along the length direction of the clamping track 4 under the action of the gravity of the counterweight rod 15 until it falls to the ground. The flexible thermal insulation layer 3 can be unfolded and laid on the outside of the film heat collecting shed 2 to ensure that the wall can be insulated at night.

[0061] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A winter sprayed concrete construction insulation protection shed, characterized by: include: A keel frame (1), the keel frame (1) is tilted and built on the outside of the wall, the outside of the keel frame (1) is covered with a film heat collecting shed (2), and the upper end of the film heat collecting shed (2) covers the top of the wall; A clamping track (4), wherein a plurality of the clamping tracks (4) are provided and distributed at equal intervals, the clamping tracks (4) are pressed against the outside of the film heat collecting shed (2), a flexible heat-insulating layer (3) is provided between two adjacent clamping tracks (4), and the flexible heat-insulating layer (3) covers the outside of the film heat collecting shed (2); and A heat collecting shed pressing platform (6) is provided on the top of the wall and presses on the upper end of the film heat collecting shed (2); a heat insulating layer winding roller (7) for winding the flexible heat insulating layer (3) is rotatably mounted on the heat collecting shed pressing platform (6).

2. A winter sprayed concrete construction insulation and protection shed according to claim 1, characterized in that: The keel frame (1) is composed of a plurality of steel pipes distributed at equal intervals along the horizontal direction and the inclined vertical direction. The plurality of steel pipes are constructed in a "well" shape and are fixed at the intersections by cross buckles. The inclination angle of the keel frame (1) is set to 65-75 degrees.

3. A winter sprayed concrete construction insulation and protection shed according to claim 2, characterized in that: The film heat collection shed (2) is composed of a plurality of strip heat collection films that are arranged side by side in a transverse direction, and two adjacent strip heat collection films are bonded and fixed by transparent adhesive tape. The edges of the film heat collection shed (2) are all left with margins. The side edges of the film heat collection shed (2) cover the gap between the side of the keel frame (1) and the wall. The margin at the bottom of the film heat collection shed (2) covers the ground and is buried in the soil.

4. A winter sprayed concrete construction insulation and protection shed according to claim 3, characterized in that: The flexible thermal insulation layer (3) is a vertical strip-shaped thermal insulation blanket. Winding ropes (14) are fixedly provided on both sides of the flexible thermal insulation layer (3). The upper end of the winding rope (14) is fixed and wound around the outside of the thermal insulation layer winding roller (7). A counterweight rod (15) is fixedly provided on the bottom of the flexible thermal insulation layer (3). Both ends of the counterweight rod (15) are fixedly connected to guide sliders (16) that are slidably connected to the clamping track (4).

5. A winter sprayed concrete construction insulation and protection shed according to claim 4, characterized in that: The clamping track (4) is a hollow steel tube, the counterweight rod (15) is a solid steel material, and a guide slot (17) is provided on the bottom surface of the guide slider (16). The cross section of the guide slot (17) is in an arc shape, and the guide slider (16) is slidably buckled on the outer side of the clamping track (4) through the guide slot (17).

6. A winter sprayed concrete construction insulation and protection shed according to claim 5, characterized in that: The surface of the clamping track (4) is fixedly connected to a plurality of clamping members (5) distributed at equal intervals. The clamping members (5) are arranged in an "M" shape, and the corners are arranged in an arc shape. The groove in the middle of the clamping member (5) is clamped to the outer side of the vertical steel pipe of the keel frame (1) and clamps the film heat collecting shed (2).

7. A winter sprayed concrete construction insulation and protection shed according to claim 6, characterized in that: A mounting boss (10) is fixedly connected to one side of the heat collecting shed pressure platform (6), and a positioning notch (11) corresponding to a plurality of clamping rails (4) is provided on the side of the mounting boss (10), and the upper end of the clamping rail (4) passes through the positioning notch (11), and the upper end of the clamping rail (4) is fixedly connected to a rail positioning plate (12), and a plurality of positioning holes (13) are provided on the surface of the mounting boss (10), and the rail positioning plate (12) is fixedly connected to the mounting boss (10) by bolts.

8. The heat preservation and protection shed for sprayed concrete construction in winter according to claim 7, characterized in that: The lower end of the compression track (4) is fixedly connected to a track base (18), and the track base (18) passes through the joint between two adjacent strip-shaped heat-collecting films on the film heat-collecting shed (2). The track base (18) fits the ground and is fixed to the ground through anchor rods.

9. A winter sprayed concrete construction insulation and protection shed according to claim 8, characterized in that: A plurality of isolation retaining rings (8) are fixedly provided in the middle of the insulation layer winding roller (7), and the plurality of isolation retaining rings (8) are spaced apart from the plurality of flexible insulation layers (3). The end of the insulation layer winding roller (7) is fixedly connected to a driven pulley (9), and a forward and reverse motor mounted on the surface of the heat collecting shed press platform (6) is provided on the outer side of the insulation layer winding roller (7). The output end of the forward and reverse motor is fixedly connected to a main drive pulley, and the main drive pulley drives the driven pulley (9) to rotate via a drive belt.

10. A method for using the heat preservation and protection shed for sprayed concrete construction in winter according to claim 9, characterized in that: The specific steps include: Step 1: Build a keel frame (1). Fix a plurality of steel pipes in a "well" shape to form a keel frame (1). The keel frame (1) is tilted and set on the outside of the wall. The tilt angle of the keel frame (1) is set to 65-75 degrees. There is enough space between the bottom of the keel frame (1) and the bottom of the wall for the concrete spraying equipment to enter. Step 2: Cover and fix the film heat-collecting shed (2), cover the outer side of the keel frame (1) with multiple strip heat-collecting films one by one, and adhere and fix them to each other with transparent tape to form the film heat-collecting shed (2), and then press multiple pressing rails (4) side by side on the outer side of the film heat-collecting shed (2), ensure that the pressing parts (5) are buckled on the outer side of the vertical steel pipe of the keel frame (1) and clamp the film heat-collecting shed (2) to prevent the film heat-collecting shed (2) from being blown by the wind; Step 3: Cover the flexible thermal insulation layer (3), install the heat collecting shed pressing platform (6) on the top of the wall and press the upper edge margin of the film heat collecting shed (2), then install the insulation layer winding roller (7) with the flexible thermal insulation layer (3) rolled up on the surface of the heat collecting shed pressing platform (6), release a little of the flexible thermal insulation layer (3) and slide the guide slider (16) through the guide card slot (17) to the outside of the pressing track (4). The flexible thermal insulation layer (3) remains in a rolled-up state during the day. At night, the flexible thermal insulation layer (3) is completely released by rotating the insulation layer winding roller (7). The guide slider (16) can slide downward along the length direction of the pressing track (4) under the action of the gravity of the counterweight rod (15) until it falls to the ground. The flexible thermal insulation layer (3) can be unfolded and laid on the outside of the film heat collecting shed (2), ensuring that the wall can be insulated at night.

Images