Fabricated steel structural members and methods of use

Abstract

The application provides an assembled steel structure component and a use method thereof, and relates to the technical field of steel structures.The assembled steel structure component comprises support plate one and support plate two, one end of the outer surface of the support plate two is fixedly connected with a fixing part, the upper surface of the support plate two is provided with a notch one, the inner surface of the notch one is slidably connected with a control part, the outer surface of the support plate one is fixedly connected with a connecting block one on the two sides of the support plate two, the inside of the connecting block one is provided with an installation groove one, and the inside of the installation groove one is fixedly connected with a reinforcing part.The fixing part, the reinforcing part and the control part are used to align the fixing plate fixedly connected with one end of the outer surface of the support plate two with the notch two provided on the outer surface of the support plate one when the support plate one and the support plate two are fixed, and then the movement of the control bolt and the control plate can realize the fixing and the release of the fixing of the support plate one and the support plate two, so that the operation is simple, the use is convenient, and the component can be repeatedly used.

Description

Technical Field

[0001] This invention relates to the field of steel structure technology, specifically to prefabricated steel structure components and their usage methods. Background Technology

[0002] Steel structures are structures made of steel materials and are one of the main types of building structures. The structure is mainly composed of components such as steel beams, steel columns, and steel trusses made of steel sections and steel plates. The components or parts are usually connected by welds, bolts or rivets. Due to its light weight and simple construction, it is widely used in large factories, stadiums and super high-rise buildings.

[0003] Steel structural components consist of various parts connected together through welding, riveting, or bolting. These parts are interconnected and mutually restrictive, forming an organic whole. However, most existing steel structural components are difficult to weld, requiring multiple operators. Furthermore, bolts tend to rust over time, making disassembly difficult. Welded and riveted connections cannot be dismantled and reused. Therefore, we propose an improvement: prefabricated steel structural components and their application methods. Summary of the Invention

[0004] The purpose of this invention is to address the problems that existing steel structural components are difficult to weld and require multiple operators, and bolts tend to rust after prolonged use, making disassembly difficult. Furthermore, welding and riveting connections cannot be disassembled and reused.

[0005] To achieve the above-mentioned objectives, the present invention provides a prefabricated steel structure component, comprising a support plate one and a support plate two. One end of the outer surface of the support plate two extends into the interior of the support plate one and is fixedly connected to a fixing member for fixation. The upper surface of the support plate two has a slot one, and the inner surface of the slot one is slidably connected to a control member for controlling the fixation between the support plate one and the support plate two. The outer surface of the support plate one is fixedly connected to both sides of the support plate two. The interior of the connecting block one has an installation groove one, and the interior of the installation groove one is fixedly connected to a reinforcing member.

[0006] By using control components in conjunction with fasteners and reinforcements, when workers fix support plate one and support plate two, they align the fixing plate, which is fixedly connected to one end of the outer surface of support plate two, with the slot two opened on the outer surface of support plate one. Then, by controlling the movement of the pin and the control plate, support plate one and support plate two can be fixed and released. The operation is simple, convenient, and reusable, making it convenient for subsequent use.

[0007] Preferably, the fixing member includes a fixing plate, which is fixedly connected to the second support plate. The first support plate has a second slot on the outside of the fixing plate inside, and the fixing plate is slidably disposed with the second slot. The second support plate has a third slot on both sides of the second slot inside, and a first spring is fixedly connected to one end of the inner surface of the third slot. A fixing block is fixedly connected to one end of the first spring, and the fixing block is slidably disposed with the third slot.

[0008] Preferably, the two sides of one end of the fixing plate and the side of the fixing block near the fixing plate are inclined.

[0009] Preferably, the control component includes a sliding plate, a sliding groove is formed through the interior of the fixed plate, the sliding plate is slidably disposed with the sliding groove, a control block is fixedly connected to one end of the sliding plate, a spring is fixedly connected between the other end of the sliding plate and the inner surface of the sliding groove, the upper surface of the fixed plate is formed with the sliding groove, a control plate is fixedly connected to one end of the upper surface of the sliding plate, and the control plate extends through the sliding groove to the upper surface of the support plate.

[0010] Preferably, the inclined surface of the control block is opposite to the inclined surface of one end of the fixed plate.

[0011] Preferably, the upper surface of the support plate two is fixedly connected to the sliding blocks on both sides of the control plate, one end of the inner surface of the sliding block is fixedly connected to the spring three, one end of the spring three is fixedly connected to the pin, and the outer surface of the control plate above the support plate two holes are opened, and the pin is slidably disposed with the holes and the inner surface of the sliding block.

[0012] Preferably, the reinforcing member includes a limiting rod, which is fixedly connected to the top side of the inner surface of the mounting groove. A rotating block is slidably connected to the outer surface of the limiting rod, and the rotating block is rotatably connected to a corner of the inner top surface of the mounting groove. A connecting plate is fixedly connected to the outer surface of the rotating block inside the mounting groove. A mounting block is fixedly connected to the bottom side of the inner surface of the mounting groove. A tension spring is rotatably connected between the center of one end of the connecting plate and the inner surface of the mounting block. Connecting blocks 2 are fixedly connected to both sides of the outer surface of plate 2. The upper surface of the connecting blocks 2 is provided with a mounting groove 2. The bottom side of the inner surface of the mounting groove 2 is fixedly connected with a limiting rod 2. The outer surface of the limiting rod 2 is slidably connected with a rotating block 2. The rotating block 2 is rotatably connected to one corner of the inner bottom surface of the mounting groove 2. The outer surface of the rotating block 2 is located inside the mounting groove 2 and a rotating plate 2 is fixedly connected. The top of the rotating plate 2 is provided with a sliding groove 3. The inner surface of the sliding groove 3 is slidably connected with a connecting rod. The connecting rod is fixedly connected to the control plate.

[0013] Preferably, the first rotating block and the second rotating block are arranged in a semi-circular shape, the first connecting block is fixedly connected to the first support plate, the second connecting block is fixedly connected to the side surface of the second support plate, and the outer surface of the first support plate and the outer surface of the second connecting block are respectively provided with fixing holes that match the first connecting block and the second connecting block.

[0014] This invention also discloses prefabricated steel structure components and their usage methods, including the prefabricated steel structure components described above, with specific operations as follows:

[0015] When using it, the worker fixes support plate one and support plate two by aligning the fixing plate fixed to one end of the outer surface of support plate two with the slot two opened on the outer surface of support plate one. Then, by controlling the movement of the pin and the control plate, support plate one and support plate two can be fixed and unfixed. It is simple to operate, easy to use, and can be reused for convenient subsequent use.

[0016] When it is necessary to fix the positions of support plate one and support plate two, push support plate two so that the fixing plate slides into the inside of slot two and contacts the inclined surface of the fixing block. Continue pushing support plate two to drive the fixing block to slide into the inside of slot three. When the fixing plate contacts the plane of the fixing block, the fixing block resets under the elastic force of slot three, thereby fixing the position of the fixing plate and thus fixing the positions of support plate one and support plate two. When it is necessary to release the fixing of support plate one and support plate two, pull the pin so that the pin disengages from the inside of the socket and compresses spring three. Then, the sliding control plate drives the slide plate and the control block fixedly connected to the slide plate to slide synchronously and stretch the second spring. The control block contacts the inclined surface of the fixed block, and then pushes the fixed block to slide into the inside of the slot three, so that the fixed block fits against the inner side of the slot three. Under the elastic force of the third spring, the pin is inserted into the inside of the right-side insertion hole, thereby fixing the relative position of the control plate and the fixed plate. At this time, the apex of the inclined surface of the fixed plate and the apex of the inclined surface of the fixed block contact, and the second support plate is pulled to drive the fixed plate to slide out from the inside of the slot two, thereby releasing the fixation of the first support plate and the second support plate.

[0017] When reinforcement of support plate one and support plate two is required, pull the pin to disengage it from the socket and compress spring three. Then, push the control plate to move the connecting rod to the left. Because rotating block two is slidably connected to limiting rod two and the connecting rod is slidably connected to slide groove three, the movement of the connecting rod causes rotating plate two and rotating block two to rotate around the center of rotating block two, making the plane of rotating block two rotate to a horizontal position. The rotation of rotating block two causes the plane of rotating block one to rotate to a horizontal position and compress the tension spring. Release the pin so that the pin is engaged in the socket on the right side under the elastic force of spring three, fixing the position of the control plate, thereby fixing the relative position of rotating block two and control block to the fixed plate. Then, push support plate two to insert the fixed plate into slot two, and insert connecting block two into the fixed hole in support plate one. Connecting block one is inserted into the fixing hole on the surface of connecting block two. Pulling the pin releases the fixation of the control board position. The fixing block resets under the elastic force of spring one. At the same time, the sliding plate moves the control board in the opposite direction to reset under the elastic force of spring two. Connecting plate one rotates rotating block one in the opposite direction under the elastic force of the tension spring. The rotation of rotating block one drives rotating block two to rotate synchronously, so that the plane where rotating block one and rotating block two are in contact rotates to a certain angle, thereby fixing connecting block one and connecting block two inside the fixing hole. At this time, the pin coincides with the position of the insertion hole on the left. Under the elastic force of spring three, the pin is inserted into the insertion hole to fix the position of the control board, thereby achieving the fixing effect of support plate one and support plate two. When it is necessary to release the reinforcement of support plate one and support plate two, simply reverse the operation.

[0018] Compared with the prior art, the beneficial effects of the present invention include:

[0019] By using control components in conjunction with fasteners and reinforcements, when workers fix support plate one and support plate two, they align the fixing plate, which is fixedly connected to one end of the outer surface of support plate two, with the slot two opened on the outer surface of support plate one. Then, by controlling the movement of the pin and the control plate, support plate one and support plate two can be fixed and released. The operation is simple, convenient, and reusable, making it convenient for subsequent use. Attached Figure Description

[0020] Figure 1 A structural schematic diagram of the prefabricated steel structure components provided in this application;

[0021] Figure 2 A top cross-sectional schematic diagram of the fixing plate of the prefabricated steel structure component provided in this application;

[0022] Figure 3 A side sectional view of the fixing plate of the prefabricated steel structure component provided in this application;

[0023] Figure 4 A side sectional view of the rotating block 1 of the prefabricated steel structure component provided in this application.

[0024] Figure 5 A structural schematic diagram of the control block for the prefabricated steel structure component provided in this application;

[0025] Figure 6 A side sectional view of the pin of the prefabricated steel structure component provided in this application;

[0026] Figure 7 A structural schematic diagram of the support plate 1 of the prefabricated steel structure component provided in this application;

[0027] Figure 8 A schematic diagram of the control block for the prefabricated steel structure component provided in this application.

[0028] In the diagram: 1. Support plate one; 11. Support plate two; 2. Groove one; 21. Groove two; 22. Fixing plate; 23. Groove three; 24. Spring one; 25. Fixing block; 3. Slide one; 31. Slide plate; 32. Control block; 33. Spring two; 34. Slide two; 35. Control plate; 4. Slide block; 41. Spring three; 42. Pin; 43. Hole; 5. Connecting block one; 51. Mounting groove one; 52. Limiting rod one; 53. Rotating block one; 54. Connecting plate one; 55. Mounting block; 56. Tension spring; 57. Connecting block two; 58. Mounting groove two; 59. Limiting rod two; 510. Rotating block two; 511. Rotating plate two; 512. Slide three; 513. Connecting rod. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, 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.

[0030] Therefore, the following detailed description of embodiments of the present invention is not intended to limit the scope of the claimed invention, but merely illustrates some embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0031] It should be noted that, in the absence of conflict, the embodiments and features and technical solutions in the embodiments of the present invention can be combined with each other, and the reinforcement and locking effects are the same.

[0032] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0033] In the description of this invention, it should be noted that the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this invention is in use, or the orientation or positional relationship commonly understood by those skilled in the art. These terms are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0034] As described in the background art, most existing steel structural components are difficult to weld and require multiple operators. At the same time, bolts tend to rust after prolonged use, making disassembly difficult. Welded and riveted connections cannot be dismantled and reused.

[0035] To address this technical problem, the present invention provides prefabricated steel structure components and their usage methods.

[0036] For details, please refer to Figure 1-8 The prefabricated steel structure components and their usage methods specifically include support plate 1 and support plate 2. One end of the outer surface of support plate 2 extends into the interior of support plate 1 and is fixedly connected to a fixing component for fixation. The upper surface of support plate 2 is provided with a slot 2. The inner surface of slot 2 is slidably connected to a control component for controlling the fixation between support plate 1 and support plate 2. Connecting blocks 5 are fixedly connected to both sides of support plate 2 on the outer surface of support plate 1. The interior of connecting blocks 5 is provided with an installation groove 51, and a reinforcing component is fixedly connected inside the installation groove 51.

[0037] By using control components in conjunction with fasteners and reinforcements, when workers fix support plate 1 and support plate 21, they align the fixing plate 22, which is fixedly connected to one end of the outer surface of support plate 21, with the slot 21 opened on the outer surface of support plate 1. Then, by controlling the movement of the pin 42 and the control plate 35, the support plate 1 and support plate 21 can be fixed and released. The operation is simple, convenient, and reusable, making it convenient for subsequent use.

[0038] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0039] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0040] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0041] Example 1

[0042] Please refer to Figure 1-8 The prefabricated steel structure includes a support plate 1 and a support plate 2. One end of the outer surface of the support plate 2 extends into the interior of the support plate 1 and is fixedly connected to a fastener for fixation. The upper surface of the support plate 2 is provided with a slot 2. The inner surface of the slot 2 is slidably connected to a control element for controlling the fixation between the support plate 1 and the support plate 2. The outer surface of the support plate 1 is fixedly connected to both sides of the support plate 2. The interior of the connecting block 5 is provided with an installation groove 51, and the interior of the installation groove 51 is fixedly connected to a reinforcement member. The fastener includes a fixing plate 22, which is fixedly connected to a support plate 11. A slot 21 is formed inside the support plate 11 on the outer side of the fixing plate 22. The fixing plate 22 is slidably disposed with the slot 21. Slots 23 are formed inside the support plate 11 on both sides of the slot 21. A spring 24 is fixedly connected to one end of the inner surface of the slot 23, and a fixing block 25 is fixedly connected to one end of the spring 24. The fixing block 25 is slidably disposed with the slot 23. The two sides of one end of the fixing plate 22 and the side of the fixing block 25 closest to the fixing plate 22 are inclined. The control components include a slide plate 31, a through groove 3 extending through the interior of a fixed plate 22, the slide plate 31 slidingly connected to the through groove 3, a control block 32 fixedly connected to one end of the slide plate 31, and a spring 33 fixedly connected between the other end of the slide plate 31 and the inner surface of the through groove 3. A through groove 34 is formed on the upper surface of the fixed plate 22, and a control plate 35 is fixedly connected to one end of the upper surface of the slide plate 31, extending through the through groove 34 to the upper surface of a support plate 11. The inclined surface of the control block 32 is opposite to the inclined surface of one end of the fixed plate 22. Through groove blocks 4 are fixedly connected to both sides of the control plate 35 on the upper surface of the support plate 11. A spring 41 is fixedly connected to one end of the inner surface of the through groove block 4, and a pin 42 is fixedly connected to one end of the spring 41. Two insertion holes 43 are formed on the outer surface of the control plate 35 above the support plate 11, and the pin 42 slides with the insertion holes 43 and the inner surface of the through groove blocks 4.

[0043] Implementation process: When it is necessary to fix the positions of support plate 1 and support plate 21, push support plate 21 so that fixing plate 22 slides into the inside of slot 21 and contacts the inclined surface of fixing block 25. Continue to push support plate 21 to drive fixing block 25 to slide into slot 3. When fixing plate 22 contacts the plane of fixing block 25, fixing block 25 resets under the elastic force of slot 3, thereby fixing the position of fixing plate 22, thus fixing the positions of support plate 1 and support plate 21. When it is necessary to release the fixing of support plate 1 and support plate 21, pull pin 42 so that pin 42 disengages from the inside of the insertion hole 43 and compresses spring 3. 1. Subsequently, the sliding control plate 35 drives the slide plate 31 and the control block 32 fixedly connected to the slide plate 31 to slide synchronously and stretch the second spring 33. The control block 32 contacts the inclined surface of the fixed block 25, and then pushes the fixed block 25 to slide into the inside of the third slot 23, so that the fixed block 25 fits against the inner side of the third slot 23. The pin 42 is inserted into the right-side insertion hole 43 under the elastic force of the third spring 41, thereby fixing the relative position of the control plate 35 and the fixed plate 22. At this time, the apex of the inclined surface of the fixed plate 22 contacts the apex of the inclined surface of the fixed block 25, pulling the second support plate 11 to drive the fixed plate 22 to slide out from the inside of the second slot 21, thereby releasing the fixation of the first support plate 1 and the second support plate 11. Implementation benefits: It realizes the fixing and releasing of the first support plate 1 and the second support plate 11, and is simple to operate and convenient to use.

[0044] Example 2

[0045] The reinforcement includes a limiting rod 52, which is fixedly connected to the top side of the inner surface of the mounting groove 51. A rotating block 53 is slidably connected to the outer surface of the limiting rod 52. The rotating block 53 is rotatably connected to a corner of the inner top surface of the mounting groove 51. A connecting plate 54 is fixedly connected to the outer surface of the rotating block 53 inside the mounting groove 51. A mounting block 55 is fixedly connected to the bottom side of the inner surface of the mounting groove 51. A tension spring 56 is rotatably connected between the center of one end of the connecting plate 54 and the inner surface of the mounting block 55. The two sides of the outer surface of the support plate 11 are fixed. A connecting block 57 is connected, and a mounting groove 58 is formed on the upper surface of the connecting block 57. A limiting rod 59 is fixedly connected to the bottom side of the inner surface of the mounting groove 58. A rotating block 510 is slidably connected to the outer surface of the limiting rod 59. The rotating block 510 is rotatably connected to a corner of the inner bottom surface of the mounting groove 58. A rotating plate 511 is fixedly connected to the outer surface of the rotating block 510 inside the mounting groove 58. A sliding groove 512 is formed at the top of the rotating plate 511. A connecting rod 513 is slidably connected to the inner surface of the sliding groove 512. The connecting rod 513 is fixedly connected to the control plate 35. The rotating blocks 53 and 510 are semi-circular. A connecting block 5 is fixedly connected to the support plate 1. A connecting block 57 is fixedly connected to the side surface of the support plate 11. Fixing holes matching the connecting blocks 57 and 5 are formed on the outer surfaces of the support plate 1 and the connecting block 57, respectively.

[0046] Implementation process: When reinforcement of support plate 1 and support plate 2 11 is required, pull the pin 42 to disengage it from one of the holes 43. As the pin 42 moves towards spring 3 41, it compresses the spring. Then, push the control plate 35 to move the connecting rod 513 to the left. Because rotating block 2 510 is slidably connected to limiting rod 2 59, and connecting rod 513 is slidably connected to slide groove 3 512, the movement of connecting rod 513 causes rotating plate 2 511 and rotating block 2 510 to rotate around the center of rotating block 2 510. Rotating block 2 510 rotates to a horizontal position. This rotation causes rotating block 1 53 to rotate to a horizontal position. During rotation, rotating block 53 drives connecting plate 1 54 to rotate synchronously, reducing the distance between one end of connecting plate 1 54 and control plate 55, compressing tension spring 56. This releases pin 42, which, under the elastic force of spring 3 41, engages with the right-side insertion hole 43, fixing the position of control plate 35. This, in turn, fixes the relative positions of rotating block 2 510, control block 32, and fixed plate 22. Then, the support plate 21 is pushed, causing the fixing plate 22 to be inserted into the slot 21. The connecting block 27 is inserted into the fixing hole in the support plate 1, and the connecting block 5 is inserted into the fixing hole on the surface of the connecting block 27. The pin 42 is pulled to release the fixing of the control plate 35. The fixing block 25 is reset under the elastic force of the spring 24. At the same time, the slide plate 31 is driven by the elastic force of the spring 23 to move the control plate 35 in the opposite direction to reset. The connecting plate 54 is driven by the elastic force of the tension spring 56 to rotate the rotating block 53 in the opposite direction. The rotation of the rotating block drives the second rotating block 510 to rotate synchronously, causing the plane where the first rotating block 53 and the second rotating block 510 are in contact to rotate to a certain angle, thereby fixing the first connecting block 5 and the second connecting block 57 inside the fixing hole. At this time, the pin 42 coincides with the position of the left insertion hole 43. Under the elastic force of the third spring 41, the pin 42 is inserted into the insertion hole 43 to fix the position of the control plate 35, thereby achieving the fixing effect of the first supporting plate 1 and the second supporting plate 11. When it is necessary to release the reinforcement of the first supporting plate 1 and the second supporting plate 11, the operation can be reversed. Benefits: It achieves the reinforcement effect of the first supporting plate 1 and the second supporting plate 11, and improves the stability of the fixation.

[0047] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described herein. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the specific embodiments described above. Therefore, any modifications or equivalent substitutions to the present invention, as well as all technical solutions and improvements that do not depart from the spirit and scope of the invention, are covered within the scope of the claims of the present invention.

Claims

1. Prefabricated steel structure components, characterized in that, The device includes a support plate 1 (1) and a support plate 2 (11). One end of the outer surface of the support plate 2 (11) extends into the interior of the support plate 1 (1) and is fixedly connected to a fixing member for fixing. The upper surface of the support plate 2 (11) is provided with a slot 1 (2). The inner surface of the slot 1 (2) is slidably connected to a control member for controlling the fixing between the support plate 1 (1) and the support plate 2 (11). The outer surface of the support plate 1 (1) is fixedly connected to both sides of the support plate 2 (11) with a connecting block 1 (5). The interior of the connecting block 1 (5) is provided with an installation groove 1 (51). The interior of the installation groove 1 (51) is fixedly connected to a reinforcement member. The fixing component includes a fixing plate (22), which is fixedly connected to the second support plate (11). The first support plate (1) has a slot (21) on the outside of the fixing plate (22). The fixing plate (22) and the slot (21) are slidably arranged. The first support plate (1) has a slot (23) on both sides of the slot (21). One end of the inner surface of the slot (23) is fixedly connected to a spring (24). One end of the spring (24) is fixedly connected to a fixing block (25). The fixing block (25) and the slot (23) are slidably arranged.

2. The prefabricated steel structure component according to claim 1, characterized in that, The two sides of one end of the fixing plate (22) and the side of the fixing block (25) near the fixing plate (22) are inclined.

3. The prefabricated steel structure component according to claim 2, characterized in that, The control component includes a sliding plate (31), and a sliding groove (3) is provided through the interior of the fixed plate (22). The sliding plate (31) is slidably disposed with the sliding groove (3). A control block (32) is fixedly connected to one end of the sliding plate (31). A spring (33) is fixedly connected between the other end of the sliding plate (31) and the inner surface of the sliding groove (3). A sliding groove (34) is provided on the upper surface of the fixed plate (22). A control plate (35) is fixedly connected to one end of the upper surface of the sliding plate (31). The control plate (35) extends through the sliding groove (34) to the upper surface of the support plate (11).

4. The prefabricated steel structure component according to claim 3, characterized in that, The inclined surface of the control block (32) is opposite to the inclined surface of one end of the fixed plate (22).

5. The prefabricated steel structure component according to claim 4, characterized in that, The upper surface of the support plate 2 (11) is fixedly connected to the two sides of the control plate (35) with sliding blocks (4). One end of the inner surface of the sliding block (4) is fixedly connected to a spring 3 (41). One end of the spring 3 (41) is fixedly connected to a pin (42). The outer surface of the control plate (35) above the support plate 2 (11) has two holes (43). The pin (42) slides with the holes (43) and the inner surface of the sliding block (4).

6. The prefabricated steel structure component according to claim 5, characterized in that, The reinforcement includes a limiting rod (52), which is located on the top side of the inner surface of the mounting groove (51) and fixedly connected to the mounting groove (51). A rotating block (53) is slidably connected to the outer surface of the limiting rod (52). The rotating block (53) is rotatably connected to a corner of the inner top surface of the mounting groove (51). A connecting plate (54) is fixedly connected to the outer surface of the rotating block (53) inside the mounting groove (51). A mounting block (55) is fixedly connected to the bottom side of the inner surface of the mounting groove (51). A tension spring (56) is rotatably connected between the center of one end of the connecting plate (54) and the inner surface of the mounting block (55). The two sides of the outer surface of the support plate (11) are fixedly connected to the connecting plate (11). A connecting block two (57) is fixedly connected. The upper surface of the connecting block two (57) is provided with an installation groove two (58). The bottom side of the inner surface of the installation groove two (58) is fixedly connected with a limiting rod two (59). The outer surface of the limiting rod two (59) is slidably connected with a rotating block two (510). The rotating block two (510) is rotatably connected to a corner of the inner bottom surface of the installation groove two (58). The outer surface of the rotating block two (510) is located inside the installation groove two (58) and a rotating plate two (511) is fixedly connected. The top of the rotating plate two (511) is provided with a sliding groove three (512). The inner surface of the sliding groove three (512) is slidably connected with a connecting rod (513). The connecting rod (513) is fixedly connected to the control plate (35).

7. The prefabricated steel structure component according to claim 6, characterized in that, The rotating block one (53) and rotating block two (510) are arranged in a semi-circular shape. The connecting block one (5) is fixedly connected to the support plate one (1), and the connecting block two (57) is fixedly connected to the side surface of the support plate two (11). The outer surface of the support plate one (1) and the outer surface of the connecting block two (57) are respectively provided with fixing holes that match the connecting block two (57) and the connecting block one (5).

8. A method of using prefabricated steel structure components, including the prefabricated steel structure components as described in claim 7, characterized in that: When using it, when the worker fixes the support plate one (1) and the support plate two (11), the fixing plate (22) fixedly connected to one end of the outer surface of the support plate two (11) is aligned with the slot two (21) opened on the outer surface of the support plate one (1). Then, by controlling the movement of the pin (42) and the control plate (35), the support plate one (1) and the support plate two (11) can be fixed and the fixation can be released. The operation is simple, the use is convenient, and it can be reused for subsequent use. When it is necessary to fix the positions of support plate 1 (1) and support plate 2 (11), push support plate 2 (11) to make the fixing plate (22) slide into the inside of slot 2 (21) and contact the inclined surface of the fixing block (25). Continue to push support plate 2 (11) to drive the fixing block (25) to slide into the inside of slot 3 (23). When the fixing plate (22) contacts the plane position of the fixing block (25), the fixing block (25) is reset under the elastic force of slot 3 (23), thereby fixing the position of the fixing plate (22), and thus fixing the positions of support plate 1 (1) and support plate 2 (11). When it is necessary to release the fixing of support plate 1 (1) and support plate 2 (11), pull the pin (42) to make the pin (42) disengage from the inside of the socket (43) and compress the spring 3 (41). The sliding control plate (35) drives the slide plate (31) and the control block (32) fixedly connected to the slide plate (31) to slide synchronously and stretch the second spring (33). The control block (32) contacts the inclined surface of the fixed block (25), and then pushes the fixed block (25) to slide into the inside of the slot three (23), so that the fixed block (25) and the inner side of the slot three (23) are fitted together. The pin (42) is inserted into the inside of the right side socket (43) under the elastic force of the third spring (41), thereby fixing the relative position of the control plate (35) and the fixed plate (22). At this time, the vertex of the inclined surface of the fixed plate (22) and the vertex of the inclined surface of the fixed block (25) are in contact. The second support plate (11) is pulled to drive the fixed plate (22) to slide out from the inside of the slot two (21), thereby releasing the fixation of the first support plate (1) and the second support plate (11). When it is necessary to reinforce support plate one (1) and support plate two (11), pull the pin (42) to disengage the pin (42) from the inside of the socket (43) and compress the spring three (41). Then push the control plate (35) to drive the connecting rod (513) to move to the left in sync. Because the rotating block two (510) is slidably connected to the limiting rod two (59) and the connecting rod (513) is slidably connected to the slide groove three (512), the movement of the connecting rod (513) causes the rotating plate two (511) and the rotating block two (510) to rotate around the center position of the rotating block two (510), so that the rotating block two (510) rotates to a horizontal position. The rotation of rotating block two (510) drives the plane of rotating block one (53) to rotate to a horizontal position and compresses the tension spring (56). The pin (42) is released and the pin (42) is inserted into the right-side socket (43) under the elastic force of spring three (41), fixing the position of the control plate (35). This fixes the relative position of rotating block two (510) and control block (32) with the fixed plate (22). Then, the support plate two (11) is pushed, causing the fixed plate (22) to be inserted into the slot two (21). The connecting block two (57) is inserted. Insert the first connecting block (5) into the fixing hole inside the first supporting plate (1), insert the second connecting block (57) into the fixing hole on the surface of the second connecting block (57), pull the pin (42) to release the fixing of the control plate (35), the fixing block (25) resets under the elastic force of the first spring (24), at the same time the sliding plate (31) drives the control plate (35) to move in the opposite direction to reset under the elastic force of the second spring (33), the first connecting plate (54) drives the first rotating block (53) to rotate in the opposite direction under the elastic force of the tension spring (56), the rotation of the first rotating block (53) drives the second rotating block (510) to rotate synchronously. Rotate the plane position where rotating block 1 (53) and rotating block 2 (510) are in contact to a certain angle, thereby fixing connecting block 1 (5) and connecting block 2 (57) inside the fixing hole. At this time, the position of pin (42) coincides with the position of the insertion hole (43) on the left. Under the elastic force of spring 3 (41), pin (42) is inserted into the insertion hole (43) to fix the position of control plate (35), thereby achieving the fixing effect of support plate 1 (1) and support plate 2 (11). When it is necessary to release the reinforcement of support plate 1 (1) and support plate 2 (11), the operation can be reversed.

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