Steel structure shed frame of windproof anti-seismic structure for agricultural planting

Abstract

The invention relates to a steel structure shed frame of a windproof anti-seismic structure for agricultural planting, which is applied to the field of agricultural planting and comprises a plurality of main arch frames linearly distributed at equal intervals and rolling mechanisms mounted on the main arch frames, covering layers covering the main arch frames are mounted on the outer sides of the main arch frames, and the rolling mechanisms are used for rolling the covering layers. A plurality of ventilation openings are formed in different areas of the upper surface of the main arch frame, the winding mechanism is composed of a plurality of winding units, the winding units are used for winding multiple covering layers respectively, a supporting barrel is further installed at the upper end of the main arch frame, a wind meter is rotatably installed at the upper end of the supporting barrel, and a control mechanism is installed on the inner side of the supporting barrel. By adopting the winding mechanism and the control mechanism, different ventilation openings of the main arch frame are flexibly controlled to be opened according to the magnitude of wind power, so that the windproof and anti-seismic effects of the main arch frame are flexibly adjusted, meanwhile, the air environment in the main arch frame is adjusted, more diversified windproof and anti-seismic effects are achieved, and the actual use effect is better.

Description

Technical Field

[0001] The present invention relates to a steel structure shed, in particular to a steel structure shed with a windproof and earthquake-resistant structure for agricultural planting, which is applied in the field of agricultural planting. Background Art

[0002] Agricultural trellises are widely used worldwide for vegetable cultivation, flower cultivation, and seedling propagation. Their basic structure consists of a steel frame supplemented by insulating plastic film. To regulate light exposure, they also feature external sunshades, along with rain, wind, and cold protection, along with modern agricultural technology facilities. This allows for vegetable cultivation, flower cultivation, and seedling propagation in any season, thus facilitating the transition from traditional agriculture to modern, technologically advanced agriculture. However, traditional trellises are not ideal for insulating crops in winter, leading to stunted growth or even freezing to death for some crops that cannot tolerate low temperatures.

[0003] To address the aforementioned issues, Chinese patent CN217336637U discloses an agricultural planting trellis device comprising a fixing mechanism, a transmission mechanism, and a locking mechanism. The transmission mechanism and the locking mechanism are disposed above and on the front side of the fixing mechanism, and the transmission mechanism is located on one side of the locking mechanism. By configuring the transmission mechanism and the locking mechanism, when crops within the trellis need to be insulated, a traction rope is pulled to disengage the wedge-shaped block from the groove within the curved frame. The sliding rod, under the action of its own gravity, drives the insulation foam to slide along a circular track, wrapping the trellis and achieving the insulation effect. When the insulation foam needs to be retracted, the rotation of the second gear drives the synchronous wheel, which in turn drives the second pulley via a belt. The first and second pulleys then drive the winding roller to rewind the insulation foam. This allows for rapid insulation of crops within the trellis, improving the survival rate of the crops while also ensuring the property safety of agricultural planting workers.

[0004] Although the above-mentioned scaffolding can realize the functions of automatic rolling up and laying out thermal insulation cotton, it does not have a good effect on wind and earthquake resistance. The existing scaffolding wind and earthquake resistance mainly relies on manual observation of wind force and then rolling up the corresponding covering film (thermal insulation cotton or film, etc.) to reduce the force on the main body of the scaffolding, thereby achieving wind and earthquake resistance and avoiding damage to the scaffolding. However, this method requires personnel to observe continuously. Although there are now devices that are set up with anemometers to cooperate with alarm devices to remind personnel to operate, they cannot be adjusted independently and have a lag in actual use. That is, after the personnel are reminded, it still takes a certain amount of time to complete the rolling operation. The wind and earthquake resistance effect cannot be achieved in time and the effect is not good. Summary of the Invention

[0005] In view of the above-mentioned existing technology, the technical problem to be solved by the present invention is how to design a steel structure scaffolding for agricultural planting that can roll up the film of the scaffolding in real time according to the wind conditions to achieve real-time wind and earthquake resistance, and can be adjusted to different degrees according to different wind speeds.

[0006] To solve the above problems, the present invention provides a steel structure trellis with a windproof and earthquake-resistant structure for agricultural planting, comprising a plurality of main arch frames distributed in a straight line and at equal intervals, and a reeling mechanism installed on the main arch frames, a covering layer covering the main arch frames being installed on the outside of the main arch frames, and the reeling mechanism being used to reel in the covering layer; The upper surface of the main arch frame is provided with a plurality of ventilation holes in different areas, and the plurality of ventilation holes respectively cover the lower end, the middle part and the upper end of the main arch frame; The covering layer is divided into multiple pieces, and the multiple covering layers respectively cover multiple ventilation openings of the main arch frame; The winding mechanism is composed of a plurality of winding units, and the plurality of winding units are respectively used for winding a plurality of covering layers; A support barrel is also installed on the upper end of the main arch frame, and a wind meter is rotatably installed on the upper end of the support barrel; A control mechanism is installed inside the support barrel, and the control mechanism is used to control the start of multiple winding units of the winding mechanism according to the rotation speed of the anemometer; When the anemometer rotates at a slow speed, the control mechanism controls some of the winding units to operate and wind up several covering layers, so that the lower and middle vents on the opposite sides of the main arch frame are opened alternately; when the anemometer rotates at a fast speed, the control mechanism controls some of the winding units to operate and wind up several covering layers, so that the lower, middle and middle, upper vents on the opposite sides of the main arch frame are opened alternately; when the anemometer rotates at an even faster speed, the control mechanism controls some of the winding units to operate and wind up several covering layers, so that all the vents on the opposite sides of the main arch frame are opened.

[0007] In the above-mentioned steel structure scaffolding for windproof and earthquake-resistant structure for agricultural planting, based on the rotation speed of the anemometer, a control mechanism is adopted to cooperate with the winding mechanism, so that when the rotation speed of the anemometer is slow, the control mechanism controls the operation of some of the winding units to wind up several pieces of covering layers, so that the lower end and middle vents on the opposite sides of the main arch frame are staggered and opened. At this time, the airflow with lower wind speed enters from the vents at one end of the main arch frame and is discharged from the vents at the other end of the main arch frame. Since the vents opened on both sides are located at different heights, the airflow changes direction after entering the inside of the main arch frame, so that the airflow in the main arch frame produces layered circulation flow, which can reduce the wind force on the main arch frame while promoting the circulation of gas in the main arch frame, thereby achieving the effect of improving the internal gas environment of the main arch frame while achieving wind resistance, and the use effect is better; When the anemometer rotates at a faster speed, the control mechanism controls the operation of some of the winding units to wind up several covering layers, so that the lower and middle as well as the middle and upper vents on the opposite sides of the main arch are staggered and opened. When the wind speed is high, more vents are further opened to allow more air to pass through the vents at both ends of the main arch, thereby reducing the wind force on the main arch, thereby achieving a good windproof effect, and changing the main arch caused by the high wind force to produce a large vibration, thereby avoiding further deformation of the main arch structure or more serious damage. At the same time, it can also guide the gas in the main arch to circulate with the airflow, thereby achieving the purpose of improving the air environment in the main arch, and at the same time, it can also guide and redirect the large airflow to a certain extent, reduce the flow rate of the airflow, and achieve a better windproof effect. When the anemometer rotates faster, the control mechanism controls some of the reeling units to operate, reeling in several sheets of the covering layer, so that the vents on opposite sides of the main arch frame are fully opened. At this time, a larger airflow can completely pass through the multiple vents of the main arch frame, reducing the wind force on the main arch frame to a minimum, achieving good wind and earthquake resistance. In this way, the opening of different vents of the main arch frame can be flexibly controlled according to the strength of the wind, thereby flexibly adjusting the windproof and earthquake-resistant effects of the main arch frame. At the same time, when the wind force is tolerable, the air environment inside the main arch frame can be adjusted to achieve more diverse windproof and earthquake-resistant effects, and the actual use effect is better.

[0008] As a further supplement to the present application, the control mechanism includes a trigger switch installed on the inner side of the support barrel. The rotating shaft of the anemometer is located on the peripheral side of the support barrel and a trigger member is installed. When the rotating shaft rotates, the trigger member rotates accordingly and triggers the trigger switch.

[0009] As a further supplement to the present application, the multiple winding units of the winding mechanism include a first winder, a second winder, a third winder and a fourth winder. The first winder and the second winder are both located at the upper end of the main arch frame and are symmetrically arranged along the middle of the main arch frame. The third winder and the fourth winder are respectively located on the left and right sides of the main arch frame. The first winder and the second winder are respectively used to wind up the covering layer covering the middle and upper ends of both sides of the main arch frame. The third winder and the fourth winder are respectively used to wind up the covering layer covering the lower ends of both sides of the main arch frame.

[0010] As a further supplement to the present application, a plurality of trigger switches are provided and distributed at different heights on the inner wall of the support barrel; There are also several trigger members, and the several trigger members correspond to several trigger switches one by one. The several trigger switches respectively control the operation of the first reel, the second reel, the third reel and the fourth reel. One of the trigger switches controls the first reel and the second reel to reel and open the covering layer covering the vent in the middle of the main arch frame, another trigger switch controls the first reel and the second reel to reel and open the covering layer covering the vent at the upper end of the main arch frame, and another trigger switch controls the third reel and the fourth reel to reel and open the covering layer covering the vent at the lower end of the main arch frame.

[0011] As a further supplement to the present application, the trigger member includes a sleeve, a trigger pressure rod and a tension spring. The sleeve is fixed to the peripheral side of the rotating shaft. The trigger pressure rod is movably inserted into the end of the sleeve away from the rotating shaft. The two ends of the tension spring are respectively fixed to the end of the trigger pressure rod close to the rotating shaft and the peripheral side of the rotating shaft. The magnitudes of the tension spring forces in the plurality of trigger members correspond to the plurality of trigger switches and decrease in sequence.

[0012] As a further supplement to this application, the ventilation holes of the main arch frame include narrow air vents, wide air vents and top air vents. The narrow air vents are located at the lower end of the main arch frame, the wide air vents are located in the middle of the main arch frame, and the top air vents are located at the upper end of the main arch frame. The diameters of the narrow air vents, wide air vents and top air vents increase successively.

[0013] As a further supplement to the present application, a connecting bearing is fixedly embedded in the upper end of the support barrel, and the rotating shaft is rotatably connected to the support barrel through the connecting bearing. A spherical base is formed at the lower end of the rotating shaft, and the lower end of the spherical base is movably abutted against the bottom wall of the support barrel; Cross braces are fixed between the lower end and the middle part of the main arch frame and between the middle part and the upper end. A main beam is fixed in the middle part of the main arch frame, and diagonal braces are fixed between the main beam and the cross braces between the middle part and the upper end.

[0014] As another improvement of the present application, the main arch frame is a steel pipe member with an elliptical cross-section, and the major diameter direction of the main arch frame is the same as the span direction of the main arch frame; The outer side of the main arch frame is wrapped with a silencer sleeve, which forms a streamlined ellipsoid along the long diameter direction of the main arch frame. The silencer sleeve is made of a silencer material with a plurality of fine holes. A support block is fixed to the outer end of the main arch frame in the long diameter direction, and the support block is used to support the protruding end of the silencer sleeve.

[0015] As another improved supplement to the present application, a compensation spring is fixed to the inner wall of the main arch frame, the rotation axis of the compensation spring coincides with the central axis of the main arch frame, and there is a gap between the outer side of the compensation spring and the inner side of the main arch frame; Compensation ribs are also installed in the main arch frame. The compensation ribs are bent elastic bodies with variable spacing. Several protruding ends of the compensation ribs pass through the gaps of the compensation springs and are fixed to the inner wall of the short diameter part of the main arch frame. The compensation spring is sleeved on the outside of the compensation rib.

[0016] In summary, the anemometer rotates at different speeds depending on the size of the wind. When the wind speed is low, the anemometer rotates slowly. When the wind speed is high, the anemometer rotates quickly. When the wind speed is even higher, the anemometer rotates even faster. Based on the rotation speed of the anemometer, a control mechanism is used to cooperate with a winding mechanism, so that when the rotation speed of the anemometer is slow, the control mechanism controls the operation of some of the winding units to wind up several covering layers, so that the lower end and middle vents on the opposite sides of the main arch frame are staggered and opened. At this time, the airflow with a lower wind speed enters from the vents at one end of the main arch frame and is discharged from the vents at the other end of the main arch frame. Since the vents opened on both sides are located at different heights, the airflow changes direction after entering the interior of the main arch frame, thereby causing the airflow in the main arch frame to produce a layered circulation flow, which can reduce the wind force on the main arch frame while promoting the circulation of the gas in the main arch frame, thereby achieving the effect of improving the internal gas environment of the main arch frame while achieving wind resistance, and the use effect is better; When the anemometer rotates at a faster speed, the control mechanism controls the operation of some of the reeling units to reel in several of the covering layers, so that the vents at the lower end, the middle part, and the middle and upper parts of the opposite sides of the main arch are staggered and opened. When the wind speed is high, more vents are further opened to allow more air to pass through the vents at both ends of the main arch, thereby reducing the wind force on the main arch, thereby achieving a good windproof effect, avoiding large vibrations of the main arch caused by the high wind force, thereby avoiding further deformation of the main arch structure, or more serious damage. At the same time, it can also guide the gas in the main arch to circulate with the airflow, thereby achieving the purpose of improving the air environment in the main arch, and at the same time, it can also guide and redirect the large airflow to a certain extent, reduce the flow rate of the airflow, and achieve a better windproof effect. When the anemometer rotates faster, the control mechanism controls some of the reeling units to operate, reeling in several sheets of the covering layer, so that the vents on opposite sides of the main arch frame are fully opened. At this time, a larger airflow can completely pass through the multiple vents of the main arch frame, reducing the wind force on the main arch frame to a minimum, achieving good wind and earthquake resistance. In this way, the opening of different vents of the main arch frame can be flexibly controlled according to the strength of the wind, thereby flexibly adjusting the windproof and earthquake-resistant effects of the main arch frame. At the same time, when the wind force is tolerable, the air environment inside the main arch frame can be adjusted to achieve more diverse windproof and earthquake-resistant effects, and the actual use effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the first embodiment of the present application; Figure 2 This is a side view of the first embodiment of the present application; Figure 3 This is a schematic diagram of the main arch structure of the first embodiment of this application; Figure 4 This is a schematic diagram of the support barrel and anemometer structure of the first embodiment of this application; Figure 5 This is a front cross-sectional view of the support barrel according to the first embodiment of the present application; Figure 6 This is a side sectional view of the support barrel and sleeve of the first embodiment of the present application; Figure 7 This is a cross-sectional view of the main arch frame of the second embodiment of this application; Figure 8 This is a side sectional view of the main arch frame of the second embodiment of this application.

[0018] Description of the numbers in the figure: 1. Main arch frame; 101. Cross brace; 102. Main beam; 103. Diagonal brace; 104. Narrow air vent; 105. Wide air vent; 106. Top air vent; 2. Covering layer; 3. Winding mechanism; 301. First winder; 302. Second winder; 303. Third winder; 304. Fourth winder; 4. Support barrel; 5. Anemometer; 501. Rotating shaft; 5011. Spherical base; 6. Connecting bearing; 7. Trigger switch; 8. Trigger member; 801. Sleeve; 802. Trigger pressure rod; 803. Tension spring; 9. Silencer sleeve; 10. Support block; 11. Compensation spring; 12. Compensation rib. DETAILED DESCRIPTION

[0019] The following describes two implementation methods of the present application in detail with reference to the accompanying drawings.

[0020] The first implementation method: The present invention provides a steel structure trellis with windproof and earthquake-resistant structure for agricultural planting. Figure 1-Figure 5 , comprising a plurality of main arch frames 1 distributed equidistantly in a straight line and a reeling mechanism 3 installed on the main arch frame 1, a covering layer 2 covering the main arch frame 1 is installed on the outside of the main arch frame 1, and the reeling mechanism 3 is used to reel in the covering layer 2; The upper surface of the main arch frame 1 is provided with a plurality of ventilation holes in different areas, and the plurality of ventilation holes respectively cover the lower end, the middle part and the upper end of the main arch frame 1; The covering layer 2 is divided into multiple pieces, and the multiple covering layers 2 respectively cover the multiple ventilation openings of the main arch frame 1; The winding mechanism 3 is composed of a plurality of winding units, each of which is used to wind up a plurality of covering layers 2; A support barrel 4 is also installed on the upper end of the main arch frame 1, and a wind meter 5 is rotatably installed on the upper end of the support barrel 4; A control mechanism is installed inside the support barrel 4, which is used to control the activation of multiple winding units of the winding mechanism 3 according to the rotation speed of the anemometer 5; When the anemometer 5 rotates at a slow speed, the control mechanism controls some of the winding units to operate and wind up several pieces of covering layers 2, so that the lower end and middle vents on the opposite sides of the main arch frame 1 are opened alternately; when the anemometer 5 rotates at a fast speed, the control mechanism controls some of the winding units to operate and wind up several pieces of covering layers 2, so that the lower end, middle and middle and upper vents on the opposite sides of the main arch frame 1 are opened alternately; when the anemometer 5 rotates at an even faster speed, the control mechanism controls some of the winding units to operate and wind up several pieces of covering layers 2, so that all the vents on the opposite sides of the main arch frame 1 are opened.

[0021] Based on the above structure, the anemometer 5 rotates at different speeds depending on the wind speed. When the wind speed is low, the anemometer 5 rotates slowly. When the wind speed is high, the anemometer 5 rotates quickly. When the wind speed is even higher, the anemometer 5 rotates even faster. Based on the rotation speed of the anemometer 5, a control mechanism is adopted to cooperate with the winding mechanism 3, so that when the rotation speed of the anemometer 5 is slow, the control mechanism controls the operation of some of the winding units therein to wind up several pieces of the covering layers 2, so that the lower end and middle vents on the opposite sides of the main arch frame 1 are staggered and opened. At this time, the airflow with a lower wind speed enters from the vents at one end of the main arch frame 1 and is discharged from the vents at the other end of the main arch frame 1. Since the vents opened on both sides are located at different heights, the airflow changes direction after entering the interior of the main arch frame 1, so that the airflow in the main arch frame 1 produces a layered circulation flow, which can reduce the wind force on the main arch frame 1 while promoting the circulation of the gas in the main arch frame 1, thereby achieving the effect of improving the internal gas environment of the main arch frame 1 while achieving wind resistance, and the use effect is better; When the anemometer 5 rotates at a faster speed, the control mechanism controls the operation of some of the winding units therein to wind up several sheets of the covering layers 2, so that the vents at the lower end, the middle part, and the middle and upper parts on the opposite sides of the main arch frame 1 are staggered and opened. When the wind speed is high, more vents are further opened to allow more air to pass through the vents at both ends of the main arch frame 1, reducing the wind force on the main arch frame 1, thereby achieving a good windproof effect, avoiding large vibrations of the main arch frame 1 caused by the high wind force, thereby avoiding further deformation of the structure of the main arch frame 1 due to stress, or causing more serious damage. At the same time, it can also guide the gas in the main arch frame 1 to circulate with the airflow, thereby achieving the purpose of improving the air environment in the main arch frame 1, and at the same time, it can also guide and redirect the large airflow to a certain extent, reduce the flow rate of the airflow, and achieve a better windproof effect. When the anemometer 5 rotates faster, the control mechanism controls some of the reeling units to operate, reeling in a number of the covering layers 2, so that the vents on opposite sides of the main arch frame 1 are all opened. At this time, a larger airflow can completely pass through the multiple vents of the main arch frame 1, reducing the wind force on the main arch frame 1 to a minimum, thereby achieving good wind and earthquake resistance. In this way, the opening of different vents of the main arch frame 1 can be flexibly controlled according to the size of the wind, thereby flexibly adjusting the windproof and earthquake-resistant effect of the main arch frame 1. At the same time, when the wind force is tolerable (referring to the wind force that the crops inside can withstand, such as when the wind force is small and the wind force is large and cannot cause damage to the crops), the air environment inside the main arch frame 1 is adjusted to achieve more diverse windproof and earthquake-resistant effects, and the actual use effect is better.

[0022] Figure 2-Figure 4 and Figure 5 The control mechanism includes a trigger switch 7 mounted on the inner side of the support barrel 4. A trigger member 8 is mounted on the circumference of the rotating shaft 501 of the anemometer 5 located inside the support barrel 4. When the rotating shaft 501 rotates, the trigger member 8 rotates accordingly and triggers the trigger switch 7. The multiple winding units of the winding mechanism 3 include a first winder 301, a second winder 302, a third winder 303 and a fourth winder 304. The first winder 301 and the second winder 302 are both located at the upper end of the main arch frame 1 and are symmetrically arranged along the middle part of the main arch frame 1. The third winder 303 and the fourth winder 304 are respectively located on the left and right sides of the main arch frame 1. The first winder 301 and the second winder 302 are respectively used to wind up the covering layer 2 covering the middle and upper ends of both sides of the main arch frame 1. The third winder 303 and the fourth winder 304 are respectively used to wind up the covering layer 2 covering the lower ends of both sides of the main arch frame 1. The ventilation openings of the main arch frame 1 include a narrow air outlet 104, a wide air outlet 105 and a top air outlet 106. The narrow air outlet 104 is located at the lower end of the main arch frame 1, the wide air outlet 105 is located in the middle of the main arch frame 1, and the top air outlet 106 is located at the upper end of the main arch frame 1. The diameters of the narrow air outlet 104, the wide air outlet 105 and the top air outlet 106 increase in sequence. There are several trigger switches 7 distributed at different heights on the inner wall of the support barrel 4; There are also several trigger members 8, and the several trigger members 8 correspond one-to-one to the several trigger switches 7. The several trigger switches 7 respectively control the operation of the first reel 301, the second reel 302, the third reel 303 and the fourth reel 304. One of the trigger switches 7 controls the first reel 301 and the second reel 302 to reel and open the covering layer 2 covering the vent in the middle of the main arch frame 1, another trigger switch 7 controls the first reel 301 and the second reel 302 to reel and open the covering layer 2 covering the vent at the upper end of the main arch frame 1, and another trigger switch 7 controls the third reel 303 and the fourth reel 304 to reel and open the covering layer 2 covering the vent at the lower end of the main arch frame 1.

[0023] Through the arrangement of the first reel 301, the second reel 302, the third reel 303, the fourth reel 304, the trigger switch 7 and the trigger member 8, when one of the trigger switches 7 is triggered, the first reel 301 and the second reel 302 are controlled to reel and open the covering layer 2 covering the middle vent of the main arch frame 1 (i.e., the wide air outlet 105); when another trigger switch 7 is triggered, the first reel 301 and the second reel 302 are controlled to reel and open the covering layer 2 covering the upper vent of the main arch frame 1 (i.e., the top air outlet 106); when another trigger switch 7 is triggered, the third reel 303 and the fourth reel 304 are controlled to reel and open the covering layer 2 covering the lower vent of the main arch frame 1 (i.e., the narrow air outlet 104); When the rotating shaft 501 rotates, it drives several trigger members 8 to trigger different trigger switches 7, so that different trigger switches 7 can cooperate with each other to open different vents, thereby achieving the effect of flexibly adjusting the vents according to the size of the wind force, thereby flexibly adjusting the windproof and earthquake-resistant effects of the main arch frame 1. At the same time, when the wind force is tolerable, the air environment inside the main arch frame 1 is adjusted to achieve more diverse windproof and earthquake-resistant effects, and the actual use effect is better.

[0024] Figure 5-Figure 6 The trigger member 8 is shown to include a sleeve 801, a trigger pressure rod 802, and a tension spring 803. The sleeve 801 is fixed to the circumference of the rotating shaft 501. The trigger pressure rod 802 is movably inserted into the end of the sleeve 801 away from the rotating shaft 501. The ends of the tension spring 803 are respectively fixed to the end of the trigger pressure rod 802 close to the rotating shaft 501 and the circumference of the rotating shaft 501. The elastic forces of the tension springs 803 in the trigger members 8 decrease in sequence corresponding to the trigger switches 7; through the tension springs 803 with different elastic forces, the tension springs 803 can resist centrifugal forces of different sizes, so that different trigger pressure rods 802 reach different trigger switches 7 under different centrifugal force sizes, thereby achieving the effect of triggering different trigger switches 7 according to different wind force sizes.

[0025] Figure 3-Figure 5 The support barrel 4 is shown to have a connecting bearing 6 fixedly embedded therein at its upper end. The rotating shaft 501 is rotatably connected to the support barrel 4 via the connecting bearing 6. A spherical base 5011 is formed at the lower end of the rotating shaft 501. The lower end of the spherical base 5011 movably abuts against the inner bottom wall of the support barrel 4. The arrangement of the connecting bearing 6 and the spherical base 5011 reduces the power loss of the rotating shaft 501, thereby making the rotation speed of the rotating shaft 501 more consistent with the current wind speed. As a result, the trigger switch 7 is triggered more consistent with the current wind speed, achieving a more practical use effect. Cross braces 101 are fixed between the lower end and the middle part, and between the middle part and the upper end of the main arch frame 1. A main beam 102 is fixed in the middle part of the main arch frame 1. Diagonal braces 103 are fixed between the main beam 102 and the cross braces 101 between the middle part and the upper end, which are used to enhance the overall structural strength of the main arch frame 1.

[0026] Second implementation method: Figure 7-Figure 8 The main arch frame 1 is a steel pipe with an elliptical cross section. The major diameter direction of the main arch frame 1 is the same as the span direction of the main arch frame 1, so that the main arch frame 1 itself has better wind and earthquake resistance. The outer side of the main arch frame 1 is wrapped with a silencer sleeve 9, which forms a streamlined ellipsoid along the long diameter direction of the main arch frame 1. The silencer sleeve 9 is made of a silencer material with a plurality of fine holes. A support block 10 is fixed to the outer end of the main arch frame 1 in the long diameter direction, and the support block 10 is used to support the protruding end of the silencer sleeve 9; By providing the silencer sleeve 9 , the airflow passing through the main arch frame 1 can be silenced, thereby eliminating the vibration caused by the airflow directly blowing on the main arch frame 1 , and further improving the windproof and earthquake-resistant effect of the main arch frame 1 .

[0027] Figure 8 It is shown that a compensation spring 11 is fixed to the inner wall of the main arch frame 1. The rotation axis of the compensation spring 11 coincides with the central axis of the main arch frame 1. There is a gap between the outer side of the compensation spring 11 and the inner side of the main arch frame 1. Compensation ribs 12 are also installed in the main arch frame 1. The compensation ribs 12 are bent elastic bodies with variable spacing. Several protruding ends of the compensation ribs 12 pass through the gaps of the compensation springs 11 and are fixed to the inner wall of the short diameter portion of the main arch frame 1 (not shown in the figure); The compensation spring 11 is sleeved on the outside of the compensation rib 12; By setting the compensation spring 11 and the compensation rib 12, the interior of the main arch frame 1 can be compensated and supported. When the main arch frame 1 is affected by wind and produces a certain amount of shaking (or vibration), the compensation spring 11 can resist the shaking force in any direction, thereby assisting the main arch frame 1 in wind and earthquake resistance. At the same time, the compensation rib 12 can compensate and support the short diameter of the main arch frame 1, and specifically strengthen the shaking of the main arch frame 1 along the short diameter direction, thereby more comprehensively interfering with the shaking of the main arch frame 1, and providing compensation support, further enhancing the wind and earthquake resistance effect of the main arch frame 1.

[0028] In view of current actual needs, the protection scope of the above-mentioned implementation mode adopted in this application is not limited to this. Various changes made within the knowledge scope of technical personnel in this field without departing from the concept of this application still fall within the protection scope of the present invention.

Claims

1. A steel structure shed with a windproof and earthquake-resistant structure for agricultural planting, comprising a plurality of main arch frames (1) distributed in a straight line and at equal intervals, and a reeling mechanism (3) installed on the main arch frames (1), a covering layer (2) covering the main arch frames (1) being installed on the outside of the main arch frames (1), and the reeling mechanism (3) being used to reel in the covering layer (2), characterized in that: The upper surface of the main arch frame (1) is provided with a plurality of ventilation openings in different areas, and the plurality of ventilation openings respectively cover the lower end, the middle part and the upper end of the main arch frame (1); The covering layer (2) is divided into a plurality of pieces, and the plurality of covering layers (2) respectively cover a plurality of ventilation openings of the main arch frame (1); The reeling mechanism (3) is composed of a plurality of reeling units, and the plurality of reeling units are respectively used to reel in a plurality of covering layers (2); A support barrel (4) is also installed on the upper end of the main arch frame (1), and a wind meter (5) is rotatably installed on the upper end of the support barrel (4); A control mechanism is installed inside the support barrel (4), and the control mechanism is used to control the activation of multiple winding units of the winding mechanism (3) according to the rotation speed of the anemometer (5); When the anemometer (5) rotates at a relatively slow speed, the control mechanism controls some of the reeling units to operate and reel in a number of the covering layers (2), so that the lower ends and the middle ventilation openings on the two opposite sides of the main arch frame (1) are opened alternately; when the anemometer (5) rotates at a relatively fast speed, the control mechanism controls some of the reeling units to operate and reel in a number of the covering layers (2), so that the lower ends, the middle, and the middle and upper ventilation openings on the two opposite sides of the main arch frame (1) are opened alternately; when the anemometer (5) rotates at an even faster speed, the control mechanism controls some of the reeling units to operate and reel in a number of the covering layers (2), so that all the ventilation openings on the two opposite sides of the main arch frame (1) are opened.

2. The steel structure shed with windproof and earthquake-resistant structure for agricultural planting according to claim 1 is characterized by: The control mechanism comprises a trigger switch (7) mounted inside the support barrel (4); a trigger member (8) is mounted on the peripheral side of the rotating shaft (501) of the anemometer (5) located inside the support barrel (4); when the rotating shaft (501) rotates, the trigger member (8) rotates accordingly and triggers the trigger switch (7).

3. The steel structure shed with windproof and earthquake-resistant structure for agricultural planting according to claim 2 is characterized by: The plurality of winding units of the winding mechanism (3) include a first winding device (301), a second winding device (302), a third winding device (303) and a fourth winding device (304); the first winding device (301) and the second winding device (302) are both located at the upper end of the main arch frame (1) and are symmetrically arranged along the middle of the main arch frame (1); the third winding device (303) and the fourth winding device (304) are respectively located on the left and right sides of the main arch frame (1); the first winding device (301) and the second winding device (302) are respectively used to wind up the covering layer (2) covering the middle and upper ends of both sides of the main arch frame (1); and the third winding device (303) and the fourth winding device (304) are respectively used to wind up the covering layer (2) covering the lower ends of both sides of the main arch frame (1).

4. The steel structure shed with windproof and earthquake-resistant structure for agricultural planting according to claim 3 is characterized by: A plurality of trigger switches (7) are provided and distributed at different heights on the inner wall of the support barrel (4); A plurality of trigger members (8) are also provided, and the plurality of trigger members (8) correspond to the plurality of trigger switches (7) respectively. The plurality of trigger switches (7) respectively control the operation of the first reel (301), the second reel (302), the third reel (303) and the fourth reel (304). One of the trigger switches (7) controls the first reel (301) and the second reel (302) to reel and open the covering layer (2) covering the ventilation opening in the middle of the main arch frame (1), another of the trigger switches (7) controls the first reel (301) and the second reel (302) to reel and open the covering layer (2) covering the ventilation opening at the upper end of the main arch frame (1), and another of the trigger switches (7) controls the third reel (303) and the fourth reel (304) to reel and open the covering layer (2) covering the ventilation opening at the lower end of the main arch frame (1).

5. The steel structure shed with windproof and earthquake-resistant structure for agricultural planting according to claim 4 is characterized by: The trigger member (8) comprises a sleeve (801), a trigger pressure rod (802) and a tension spring (803); the sleeve (801) is fixed to the peripheral side of the rotating shaft (501); the trigger pressure rod (802) is movably plugged into an end of the sleeve (801) away from the rotating shaft (501); and two ends of the tension spring (803) are respectively fixed to an end of the trigger pressure rod (802) close to the rotating shaft (501) and the peripheral side of the rotating shaft (501); The elastic force of the tension springs (803) in the plurality of trigger members (8) decreases in sequence corresponding to the plurality of trigger switches (7).

6. The steel structure shed with windproof and earthquake-resistant structure for agricultural planting according to claim 4, characterized in that: The ventilation openings of the main arch frame (1) include a narrow air outlet (104), a wide air outlet (105) and a top air outlet (106); the narrow air outlet (104) is located at the lower end of the main arch frame (1); the wide air outlet (105) is located in the middle of the main arch frame (1); and the top air outlet (106) is located at the upper end of the main arch frame (1); the diameters of the narrow air outlet (104), the wide air outlet (105) and the top air outlet (106) increase in sequence.

7. The steel structure shed with windproof and earthquake-resistant structure for agricultural planting according to claim 2 is characterized by: A connecting bearing (6) is fixedly embedded in the upper end of the support barrel (4); the rotating shaft (501) is rotatably connected to the support barrel (4) via the connecting bearing (6); a spherical base (5011) is formed at the lower end of the rotating shaft (501); and the lower end of the spherical base (5011) is movably abutted against the inner bottom wall of the support barrel (4); A transverse brace (101) is fixed between the lower end and the middle part and between the middle part and the upper end of the main arch frame (1), a main beam (102) is fixed to the middle part of the main arch frame (1), and an oblique brace (103) is fixed between the main beam (102) and the transverse brace (101) between the middle part and the upper end.

8. The steel structure shed with windproof and earthquake-resistant structure for agricultural planting according to claim 1 is characterized by: The main arch frame (1) is a steel pipe with an elliptical cross-section, and the major diameter direction of the main arch frame (1) is the same as the span direction of the main arch frame (1); The main arch frame (1) is wrapped with a silencer sleeve (9) on the outside, the silencer sleeve (9) forms a streamlined ellipsoid along the long diameter direction of the main arch frame (1), and the silencer sleeve (9) is made of a silencer material having a plurality of fine holes; A support block (10) is fixed to the outer end of the main arch frame (1) in the long diameter direction, and the support block (10) is used to support the protruding end of the silencer sleeve (9).

9. The steel structure shed with windproof and earthquake-resistant structure for agricultural planting according to claim 8, characterized in that: A compensation spring (11) is fixed to the inner wall of the main arch frame (1), the rotation axis of the compensation spring (11) coincides with the central axis of the main arch frame (1), and a gap exists between the outer side of the compensation spring (11) and the inner side of the main arch frame (1); A compensation rib (12) is also installed in the main arch frame (1), and the compensation rib (12) is a bending elastic body with variable spacing, and a plurality of protruding ends of the compensation rib (12) pass through the gap of the compensation spring (11) and are fixed to the inner wall of the short diameter portion of the main arch frame (1); The compensation spring (11) is sleeved on the outside of the compensation rib (12).

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