Prefabricated canopy steel structure columns and roof connection components

Abstract

This invention belongs to the field of steel structure canopy connection technology, and discloses the column and roof connection components of a prefabricated canopy steel structure, including a column body, a support frame, a slot, a pneumatic transmission mechanism, an inclined plane transmission mechanism, and a reset mechanism. The support frame is fixedly installed on one side of the column body to support the crossbeam. This invention does not require additional special tools; synchronous locking can be completed by a single action of hoisting and lowering the canopy. Disassembly only requires releasing the cylinder gas and hoisting the canopy, reducing reliance on manual operation and further improving assembly and disassembly efficiency. Furthermore, the double locking structure, combined with the synergistic force of the column, canopy, and crossbeam, improves connection stability and overall load-bearing capacity, effectively resisting horizontal slippage and vertical pull-out forces caused by outdoor wind loads and snow loads, eliminating the safety hazards of loose connections and detachment. At the same time, the reset mechanism can reset each transmission component, allowing the canopy components to be easily disassembled and reused.

Description

Technical Field

[0001] This invention relates to the field of steel structure canopy connection technology, and more particularly to the columns and roof connection components of prefabricated canopy steel structures. Background Technology

[0002] Prefabricated canopies have the advantages of convenient installation, reusability, and high construction efficiency, and are widely used in entrances and parking lots of various buildings.

[0003] Currently, the connection between the columns and the roof of prefabricated canopy steel structures mostly adopts traditional methods such as bolting and welding. Bolting requires manual tightening of each bolt, which is not only inefficient, but also prone to rust and loosening in outdoor environments, affecting connection stability and resulting in high maintenance costs. While welding can ensure initial connection strength, it is a non-removable connection, which cannot achieve the reuse of canopy components. This does not conform to the development concept of green, environmentally friendly and recyclable prefabricated buildings. Moreover, the assembly and disassembly of most connection structures require additional specialized tools and manual operation, making it impossible to achieve synchronous locking through a single hoisting action, further reducing assembly efficiency and limiting the application of prefabricated canopies. Summary of the Invention

[0004] The prefabricated canopy steel structure column provided by this invention solves the problems of low connection efficiency, poor stability and non-reusability of existing prefabricated canopies by coordinating a pneumatic transmission mechanism and an inclined plane transmission mechanism, thereby achieving a quick and firm connection and convenient disassembly of the column to the roof.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: The column of the prefabricated canopy steel structure includes: a column body, a support frame, a slot, a pneumatic transmission mechanism, an inclined plane transmission mechanism, and a reset mechanism; the support frame is fixedly installed on one side of the column body to support the crossbeam; the slot is located at the top of the column body to accommodate the insertion of the canopy roof base column, achieving initial connection between the canopy roof and the column body; both the pneumatic transmission mechanism and the inclined plane transmission mechanism are located inside the column body and are triggered by the vertical pressure of the canopy roof being hoisted down, for achieving... The roof, column body, and crossbeam are double-locked; the reset mechanism is connected to the pneumatic transmission mechanism and the inclined plane transmission mechanism, and is used to drive each transmission component to reset during disassembly. The column body provides stable support for the roof and crossbeam. Through the dual linkage of pneumatic transmission and inclined plane transmission, boltless and weldless assembly locking is achieved, which greatly improves assembly efficiency. At the same time, the reset mechanism enables reuse, which is in line with the development concept of green building and recycling. The support frame supports the crossbeam, ensuring the positional accuracy of the crossbeam after pre-assembly and avoiding misalignment during subsequent locking.

[0006] As a further improvement of the present invention: the pneumatic transmission mechanism includes a cylinder, a pressure plate, a round rod, a gasket, a hollow conduit, a hollow plate, and a limiting plate; the cylinder is fixedly disposed on one side of the column body, and the inside of the cylinder is sealed to contain gas, preferably nitrogen, to prevent corrosion of internal components; the round rod is vertically disposed, with a gasket fixedly connected to its top and a pressure plate fixedly connected to its bottom; the pressure plate is slidably disposed inside the cylinder and can move vertically along the inner wall of the cylinder.

[0007] As a further improvement of the present invention: one end of the hollow guide tube is in sealed communication with the cylinder, and the other end is in sealed communication with the hollow plate. The hollow plate is fixedly installed on one side of the column body and arranged on both sides of the corresponding slot. The limiting plate is slidably installed on the inner wall of the hollow plate and can move horizontally along the inner wall of the hollow plate.

[0008] As a further improvement of the present invention: the reset mechanism includes a first metal spring, a second metal spring, and a spring; one end of the first metal spring is connected to the limiting plate, and the other end is connected to the inner wall of the hollow plate, and is used to drive the limiting plate to reset during disassembly; the spring is fixedly installed at the bottom of the pressure plate, and is used to drive the pressure plate, the round rod, and the washer to reset during disassembly; the second metal spring is correspondingly connected to the inclined plane transmission mechanism, and is used to drive the inclined plane transmission mechanism to reset during disassembly.

[0009] As a further improvement of the present invention: the inclined plane transmission mechanism includes a first wedge block, a second wedge block and a groove plate; the groove plate is fixedly installed on the inner wall of the bottom column of the ceiling, and the first wedge block is slidably installed on the inner wall of the groove plate and can slide horizontally along the inner wall of the groove plate.

[0010] As a further improvement of the present invention: the second wedge block is fixedly connected to the inner wall of the column body, and its inclined surface matches the inclined surface of the first wedge block, so that it can slide relative to the first wedge block and generate a horizontal thrust. One end of the second metal spring is fixedly provided with a connecting plate, and the other end is fixedly provided at the inner wall of the bottom column of the canopy. One side of the connecting plate is fixedly provided on the top side of the first wedge block.

[0011] As a further improvement of the present invention: the slot has a first slot on both sides, the first slot matches the limiting plate, and the limiting plate can extend horizontally and be inserted into the first slot.

[0012] As a further improvement of the present invention: the second slot is opened on both sides of the bottom column of the canopy, the second slot is matched with the limiting plate, and the limiting plate can be inserted into the second slot at the same time to realize the first locking and fixing of the canopy and the column body.

[0013] As a further improvement of the present invention: a third slot is provided on the side of the column body near the support frame, the third slot matches the first wedge block, and the third slot corresponds to the arrangement of the crossbeam.

[0014] The roof connection component of the prefabricated canopy steel structure is applied to the columns of the prefabricated canopy steel structure, including the canopy roof, crossbeams, canopy roof base columns and transmission rods. The crossbeams are set on the upper side of the support frame of the column bodies arranged in pairs. There are multiple canopy roof base columns, all fixed at the bottom of the canopy roof and matched with the slots on the top of the column bodies one by one. A support plate is fixedly installed on the top of the column bodies. A round hole is opened on one side of the support plate, and the round hole matches the transmission rod.

[0015] Compared with the prior art, the advantages and positive effects of the present invention are as follows:

[0016] This invention requires no additional special tools; synchronous locking can be completed with a single action of hoisting and lowering the canopy. Disassembly only requires releasing the cylinder gas and hoisting the canopy, reducing reliance on manual operation and further improving assembly and disassembly efficiency. Furthermore, the double locking structure, combined with the coordinated force of the columns, canopy, and beams, enhances connection stability and overall load-bearing capacity, effectively resisting horizontal slippage and vertical pull-out forces from outdoor wind and snow loads, eliminating the safety hazards of loose connections and detachment. At the same time, the reset mechanism can reset each transmission component, allowing the canopy components to be easily disassembled and reused. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the columns and roof connection components of the prefabricated canopy steel structure proposed in this application.

[0018] Figure 2 This is a cross-sectional view of the column body in an embodiment of this application.

[0019] Figure 3 This is a schematic diagram of the structure of the column body in the embodiment of this application.

[0020] Figure 4 This is a schematic diagram of the internal structure of the slot in an embodiment of this application.

[0021] Figure 5 This is a structural diagram of the canopy roof in an embodiment of this application.

[0022] Figure 6 This is a schematic diagram of the pneumatic transmission mechanism in an embodiment of this application.

[0023] Figure 7 This is a cross-sectional view of the bottom column of the canopy in an embodiment of this application.

[0024] Figure 8 For this application Figure 2 Enlarged view of point A in the middle.

[0025] Legend: 1. Column body; 101. Roof; 102. Horizontal beam; 2. Slot; 201. Hollow plate; 202. Limiting plate; 203. First metal spring; 204. Hollow guide tube; 205. Cylinder; 206. Pressure plate; 207. Round rod; 208. Gasket; 209. Spring; 210. First slot; 211. Support plate; 212. Round hole; 213. Roof bottom column; 214. Transmission rod; 215. Second slot; 3. Support frame; 301. First wedge block; 302. Second metal spring; 303. Connecting plate; 304. Second wedge block; 305. Third slot; 306. Slot plate. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] Please see Figures 1 to 8 This embodiment provides a prefabricated canopy steel structure column, including: column body 1, support frame 3, slot 2, pneumatic transmission mechanism, inclined plane transmission mechanism and reset mechanism; the support frame 3 is fixedly installed on one side of the column body 1 to support the crossbeam 102, the slot 2 is opened at the top of the column body 1 to fit and insert the canopy bottom column 213 to achieve the initial docking of the canopy 101 and the column body 1; the pneumatic transmission mechanism and the inclined plane transmission mechanism are both set inside the column body 1 and are both triggered by the vertical pressure of the canopy 101 being hoisted down, to achieve the double locking of the canopy 101, the column body 1 and the crossbeam 102; the reset mechanism is correspondingly connected to the pneumatic transmission mechanism and the inclined plane transmission mechanism, and is used to drive each transmission component to reset during disassembly.

[0028] In use, the crossbeam 102 is first placed on the support frame 3 of the two corresponding columns 1. The support frame 3 is used to pre-support and position the crossbeam 102. Then, the canopy 101 is hoisted down, so that the bottom column 213 of the canopy is inserted into the slot 2 at the top of the column 1. The vertical pressure of hoisting down is used to trigger the pneumatic transmission mechanism and the inclined plane transmission mechanism simultaneously, so as to complete the double locking of the canopy 101, the column 1 and the crossbeam 102. When disassembling, the reset mechanism drives the transmission components to reset, and the canopy 101 can be hoisted to complete the disassembly. It is suitable for the needs of quick installation, disassembly and reuse of prefabricated canopies.

[0029] Please see Figures 1 to 8In one embodiment, the pneumatic transmission mechanism includes a cylinder 205, a pressure plate 206, a round rod 207, a gasket 208, a hollow conduit 204, a hollow plate 201, and a limiting plate 202. The cylinder 205 is fixedly disposed on one side of the column body 1, and the inside of the cylinder 205 is sealed to contain gas, preferably nitrogen, to prevent corrosion of internal components. The round rod 207 is vertically disposed, with the gasket 208 fixedly connected to its top and the pressure plate 206 fixedly connected to its bottom. The pressure plate 206 is slidably disposed inside the cylinder 205 and can move along the cylinder 205. 5. The inner wall moves vertically, and the first locking between the canopy 101 and the column body 1 is achieved through the pneumatic transmission mechanism. The cylinder 205 seals and contains gas, providing a power source for the pneumatic transmission. The pressure plate 206 is used to squeeze the gas inside the cylinder 205, converting the vertical pressure into gas pressure. The round rod 207 is used to transmit the downward pressure on the gasket 208, driving the pressure plate 206 to move synchronously. The gasket 208 is used to buffer the downward pressure of the transmission rod 214, preventing the top of the round rod 207 from being damaged by concentrated force, while ensuring uniform pressure transmission.

[0030] Please see Figures 1 to 8 In one embodiment, one end of the hollow conduit 204 is in sealed communication with the cylinder 205, and the other end is in sealed communication with the hollow plate 201. The hollow plate 201 is fixedly installed on one side of the column body 1 and is arranged on both sides of the corresponding slot 2. The limiting plate 202 is slidably installed on the inner wall of the hollow plate 201 and can move horizontally along the inner wall of the hollow plate 201. The hollow conduit 204 transports the gas in the cylinder 205 to the interior of the hollow plate 201 to realize the transmission of gas pressure. A valve is installed on the hollow conduit 204. Opening the valve releases the gas, which can be disassembled. The limiting plate 202 is inserted into the first slot 210 and the second slot 215 to realize the first locking between the canopy 101 and the column body 1, resisting the horizontal sliding force and vertical pull-out force of the canopy 101.

[0031] Please see Figures 1 to 8 In one embodiment, the reset mechanism includes a first metal spring 203, a second metal spring 302, and a spring 209. One end of the first metal spring 203 is connected to the limiting plate 202, and the other end is connected to the inner wall of the hollow plate 201. It is used to reset the limiting plate 202 during disassembly. The spring 209 is fixedly disposed at the bottom of the pressure plate 206. It is used to reset the pressure plate 206, the round rod 207, and the washer 208 during disassembly. The second metal spring 302 is correspondingly connected to the inclined plane transmission mechanism. During disassembly, the inclined plane transmission mechanism is reset. The first metal spring 203 is used to reset the limiting plate 202, so that the limiting plate 202 returns to its initial position after disengaging from the slot. The spring 209 is specifically used to reset the pressure plate 206, the round rod 207 and the washer 208, so that the pneumatic transmission mechanism returns to its initial state. The second metal spring 302 is specifically used to reset the first wedge block 301 in the inclined plane transmission mechanism, so that the first wedge block 301 disengages from the third slot 305 and the inner wall of the crossbeam 102.

[0032] Please see Figures 1 to 8 In one embodiment, the inclined plane transmission mechanism includes a first wedge block 301, a second wedge block 304, and a groove plate 306. The groove plate 306 is fixedly disposed on the inner wall of the ceiling bottom column 213. The first wedge block 301 is slidably disposed on the inner wall of the groove plate 306 and can slide horizontally along the inner wall of the groove plate 306. The second wedge block 304 is fixedly connected to the inner wall of the column body 1, and its inclined surface matches the inclined surface of the first wedge block 301, allowing relative sliding with the first wedge block 301. The second metal spring 302 is fixedly provided with a connecting plate 303 at one end and fixedly provided with the other end at the inner wall of the canopy bottom column 213. One side of the connecting plate 303 is fixedly provided with the top side of the first wedge block 301. The second wedge block 304 can convert the vertical pressure of the canopy bottom column 213 into a horizontal thrust that pushes the first wedge block 301 through the inclined surface cooperation. The inclined surfaces of the first wedge block 301 and the second wedge block 304 fit and match.

[0033] Please see Figures 1 to 8 In one embodiment, the slot 2 has a first slot 210 on both sides, which matches the limiting plate 202. The limiting plate 202 can extend horizontally and be inserted into the first slot 210. The second slot 215 is opened on both sides of the bottom column 213 of the canopy, which matches the limiting plate 202. The limiting plate 202 can be inserted into the second slot 215 simultaneously, realizing the first locking between the canopy 101 and the column body 1, effectively resisting the horizontal sliding force and vertical pull-out force such as the upward lifting force of the wind on the canopy 101, and ensuring the stability of the connection.

[0034] Please see Figures 1 to 8 In one embodiment, a third slot 305 is provided on the side of the column body 1 near the support frame 3. The third slot 305 matches the first wedge block 301 and is arranged corresponding to the crossbeam 102. The third slot 305 provides an insertion channel for the first wedge block 301, so that the first wedge block 301 can pass smoothly through the column body 1 and further insert into the inner wall of the crossbeam 102, realizing the second locking of the canopy 101, the column body 1 and the crossbeam 102, forming a three-in-one stable connection structure, further improving the stability and load-bearing capacity of the overall connection.

[0035] Please see Figures 1 to 8In another embodiment, the roof connection component of the prefabricated canopy steel structure is applied to the columns of the prefabricated canopy steel structure described in the above embodiment, including a canopy roof 101, a crossbeam 102, a canopy roof bottom column 213, and a transmission rod 214. The crossbeam 102 is set on the upper side of the support frame 3 of the column body 1 arranged in pairs. There are multiple canopy roof bottom columns 213, all fixed at the bottom of the canopy roof 101, and they are matched one-to-one with the slots 2 on the top of the column body 1. A support plate 211 is fixedly set on the top of the column body 1. A round hole 212 is opened on one side of the support plate 211. The round hole 212 matches the transmission rod 214. The crossbeam 102 is used to connect the column bodies 1 arranged in pairs, improve the stability of the overall structure, and distribute the load of the canopy roof 101. The canopy roof bottom column 213 is used to dock with the slots 2 of the column body 1 to achieve the initial positioning of the canopy roof 101 and the column body 1, and at the same time drive the inclined transmission mechanism to move.

[0036] Working principle: A crossbeam 102 is set on the upper side of the support frame 3 of the two corresponding column bodies 1. The support frame 3 is used to provide stable support for the crossbeam 102 and ensure the positional accuracy of the crossbeam 102 after pre-assembly.

[0037] The canopy 101 is lifted using hoisting equipment and slowly lowered. Under the combined action of its own weight and the external force of the hoisting, the canopy 101 gradually descends, simultaneously driving multiple transmission rods 214 fixed to the bottom of the canopy 101 downwards. The transmission rods 214 are adapted to the size and position of the circular holes 212. As the canopy 101 continues to descend, the multiple transmission rods 214 synchronously insert into the corresponding circular holes 212, achieving initial docking and positioning between the canopy 101 connecting assembly and the top slot 2 of the column body 1. To prevent lateral slippage of the canopy 101 during the docking process and ensure the accuracy of subsequent locking actions, the canopy 101 continues to descend. The transmission rod 214, after being inserted into the round hole 212, continues to press down, pushing the gasket 208 downwards. The downward movement of the gasket 208 is simultaneously transmitted to the pressure plate 206 via the round rod 207, causing the pressure plate 206 to move synchronously downwards along the inner wall of the cylinder 205. As the pressure plate 206 moves downwards inside the cylinder 205, it compresses the gas sealed within the cylinder 205, causing the cylinder 205 to... The internal gas pressure increases sharply, and the high-pressure gas compressed inside cylinder 205 is stably transported to the interior of hollow plate 201 through hollow conduit 204. Limiting plate 202 can slide flexibly along the inner wall of hollow plate 201, and is connected to the first metal spring 203. When the high-pressure gas enters the interior of hollow plate 201, it generates a horizontal outward thrust on limiting plate 202, pushing it to slide outward along the inner wall of hollow plate 201. Simultaneously, it stretches the first metal spring 203, causing the first metal spring 203 to... In the stretching and energy storage state, it provides reset power for the subsequent unlocking action. Under the continuous push of high pressure gas, the limit plate 202 extends outward continuously and finally inserts into the first slot 210 opened on both sides of the slot 2 and the second slot 215 opened on both sides of the canopy bottom column 213, realizing the first locking and fixing of the canopy 101 and the column body 1. After locking, the stable locking state is maintained by the gas pressure inside the cylinder 205, which can effectively resist the horizontal sliding force and vertical pull-out force on the canopy 101, such as the upward lifting force of the wind.

[0038] As the bottom column 213 of the canopy is inserted into the slot 2 and continuously pressed down, the first wedge block 301 moves downward simultaneously. The first wedge block 301 can slide along the inner wall of the groove plate 306, and the inclined surface of the first wedge block 301 and the inclined surface of the second wedge block 304 fit and match each other. When the first wedge block 301 moves downward with the bottom column 213 of the canopy, the inclined surface of the second wedge block 304 slides relative to the inclined surface of the first wedge block 301. The second wedge block 304 generates a horizontal thrust on the first wedge block 301. Under the action of this thrust, the first wedge block 301 slides along the inner wall of the groove plate 306 toward the direction close to the column body 1 and the crossbeam 102, and finally inserts into the third slot 305 opened on the column body 1 in sequence, and further inserts into the inner wall of the crossbeam 102, realizing the second locking and fixing of the canopy 101, the column body 1 and the crossbeam 102, forming a stable three-in-one connection structure.

[0039] When disassembly is required, the high-pressure gas inside the cylinder 205 is released, and the limiting plate 202 retracts under the elastic force of the first metal spring 203, disengaging from the first slot 210 and the second slot 215. At the same time, the first wedge block 301 resets under the assistance of the second metal spring 302, disengaging from the third slot 305 and the inner wall of the crossbeam 102. At this time, the canopy 101 can be lifted by hoisting equipment to complete the disassembly, which is suitable for the reuse requirements of prefabricated canopies.

[0040] In summary, the single action of hoisting and lowering the roof 101 simultaneously triggers the pneumatic transmission locking and the inclined plane linkage locking, completing all locking actions without additional manual operation. This results in high assembly efficiency and strong connection stability. Furthermore, the first locking secures the roof 101 to the column body 1, while the second locking secures the roof 101, column body 1, and crossbeam 102. The synergistic effect of the dual locking mechanisms creates a cooperative force-bearing structure, enhancing the overall load-bearing capacity.

[0041] The above-mentioned models are all commercially available products in the prior art. This application is only used as an example of an embodiment and does not limit the use of other equivalent models.

[0042] All standard parts used in this application can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art. The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0043] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0044] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The uprights of a prefabricated steel canopy structure, characterized in that, include: The column body (1), the support frame (3), the slot (2), the pneumatic transmission mechanism, the inclined plane transmission mechanism and the reset mechanism; The support frame (3) is fixedly installed on one side of the column body (1) to support the crossbeam (102). The slot (2) is opened on the top of the column body (1) to fit and insert the bottom column (213) of the canopy, so as to achieve the initial docking of the canopy (101) and the column body (1). Both the pneumatic transmission mechanism and the inclined plane transmission mechanism are located inside the column body (1) and are triggered by the vertical pressure of the canopy (101) being hoisted down, in order to achieve double locking of the canopy (101), the column body (1) and the crossbeam (102). The reset mechanism is connected to the pneumatic transmission mechanism and the inclined plane transmission mechanism, and is used to drive each transmission component to reset during disassembly. The pneumatic transmission mechanism includes a cylinder (205), a pressure plate (206), a round rod (207), a gasket (208), a hollow conduit (204), a hollow plate (201), and a limiting plate (202). The cylinder (205) is fixedly installed on one side of the column body (1). The cylinder (205) is sealed inside to contain gas. The round rod (207) is vertically arranged, with a gasket (208) fixedly connected to its top and a pressure plate (206) fixedly connected to its bottom. The pressure plate (206) is slidably installed inside the cylinder (205) and can move vertically along the inner wall of the cylinder (205). The inclined plane transmission mechanism includes a first wedge block (301), a second wedge block (304), and a groove plate (306). The groove plate (306) is fixedly installed on the inner wall of the ceiling bottom column (213). The first wedge block (301) is slidably installed on the inner wall of the groove plate (306) and can slide horizontally along the inner wall of the groove plate (306). One end of the hollow conduit (204) is in sealed communication with the cylinder (205), and the other end is in sealed communication with the hollow plate (201). The hollow plate (201) is fixedly installed on one side of the column body (1) and arranged on both sides of the corresponding slot (2). The limiting plate (202) is slidably installed on the inner wall of the hollow plate (201) and can move horizontally along the inner wall of the hollow plate (201). The reset mechanism includes a first metal spring (203), a second metal spring (302) and a spring (209). One end of the first metal spring (203) is connected to the limiting plate (202), and the other end is connected to the inner wall of the hollow plate (201). It is used to drive the limiting plate (202) to reset during disassembly. The spring (209) is fixedly installed at the bottom of the pressure plate (206). It is used to drive the pressure plate (206), the round rod (207), and the washer (208) to reset during disassembly. The second metal spring (302) is correspondingly connected to the inclined plane transmission mechanism. It is used to drive the inclined plane transmission mechanism to reset during disassembly. The second wedge block (304) is fixedly connected to the inner wall of the column body (1). Its inclined plane is connected to the first wedge block. The inclined surface of (301) is matched, and it can slide relative to the first wedge block (301) and generate a horizontal thrust. One end of the second metal spring sheet (302) is fixedly provided with a connecting plate (303), and the other end is fixedly provided at the inner wall of the bottom column of the canopy (213). One side of the connecting plate (303) is fixedly provided on the top side of the first wedge block (301). The slot (2) has a first slot (210) on both sides. The first slot (210) matches the limiting plate (202). The limiting plate (202) can extend horizontally and be inserted into the first slot (210).

2. The column of the prefabricated canopy steel structure according to claim 1, characterized in that: The second slot (215) is opened on both sides of the bottom column (213) of the canopy. The second slot (215) matches the limiting plate (202). The limiting plate (202) can be inserted into the second slot (215) at the same time to realize the first locking and fixing of the canopy (101) and the column body (1).

3. The column of the prefabricated canopy steel structure according to claim 1, characterized in that: The column body (1) has a third slot (305) on the side near the support frame (3). The third slot (305) matches the first wedge block (301) and the third slot (305) is arranged in relation to the crossbeam (102).

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