Connection Structure between Prefabricated Lightweight Composite Thermal Insulation Board and Building Frame

Abstract

A connecting structure between a prefabricated lightweight composite heat-insulating board and a building frame. Accommodating grooves are provided at both the top and bottom of the right side of the surface of the lightweight composite heat-insulating board. Connecting grooves are provided at both the top and bottom of the accommodating grooves. A connecting hole is provided in the middle of the surface of the lightweight composite heat-insulating board. A bolt hole is provided on the left side of the surface of the lightweight composite heat-insulating board. The lightweight composite heat-insulating board is threadedly connected with a fixing plate through a fixing bolt. A transmission frame is bolted inside the accommodating groove. A lead screw is rotatably sleeved in the middle of the transmission frame. A clamping piece is welded on the surface of the slide bar. A rotating mechanism is key-connected to the right end of the surface of the lead screw. The transmission frame of the present invention can be placed inside the lightweight composite heat-insulating board through the accommodating groove, or the transmission frame can be removed. With such a configuration, it is convenient to place the wall panel between the lightweight composite heat-insulating boards and also convenient to remove the wall panel. This structure facilitates the installation and disassembly of the wall panel, and after the wall panel is installed, the sealing performance is good and air leakage is not likely to occur.

Description

Technical Field

[0001] The present invention relates to the field of building technology, and particularly to a connection structure between a prefabricated lightweight composite insulation board and a building frame. Background Art

[0002] Chinese patent document with application number 202410814301.1 discloses a cavity connection structure between a prefabricated modular wall and a building frame, including a first prefabricated wall and a second prefabricated wall. A first connecting piece is provided at the top of the first prefabricated wall, and a first connecting device is fixedly connected to the side surface of the first prefabricated wall. Second connecting devices are provided on both side surfaces of the first connecting device. The second connecting device includes a second fixing block, and a connecting column is fixedly connected to the side surface of the second fixing block. A wall device is provided inside the first prefabricated wall and the second prefabricated wall. The wall device includes a waterproof layer, a fireproof layer is provided on the side surface of the waterproof layer, a sealing layer is provided on the side surface of the fireproof layer, and a protection component, a support component and a connecting component are provided on the inner side surface of the sealing layer; this device is more convenient during installation through the cooperation of the first connecting device and the second connecting device, and at the same time, the waterproof layer, the fireproof layer and the sealing layer are provided, which can meet the requirements of a normal wall.

[0003] However, there are also some problems with this cavity connection structure between the prefabricated modular wall and the building frame. For example, after it is fixed, it is difficult to loosen the connection to the wall panel for the entire device, resulting in inconvenient subsequent disassembly of the wall panel, which affects the subsequent use of the prefabricated building. Moreover, the connection between the wall panel and the frame is relatively poor, resulting in limited sealing performance and prone to problems such as air leakage inside the building. Summary of the Invention

[0004] Based on the technical problems existing in the background art, the present invention proposes a connection structure between a prefabricated lightweight composite insulation board and a building frame.

[0005] The connecting structure between the prefabricated lightweight composite thermal insulation board and the building frame proposed by the present invention includes a lightweight composite thermal insulation board. At the top and bottom of the right side of the surface of the lightweight composite thermal insulation board, receiving grooves are provided. At the top and bottom of the receiving grooves, connecting grooves are provided. In the middle of the surface of the lightweight composite thermal insulation board, six connecting holes are provided. On the left side of the surface of the lightweight composite thermal insulation board, bolt holes are provided. Inside the bolt holes, fixing bolts are inserted. The lightweight composite thermal insulation board is threadedly connected with a fixing plate through the fixing bolts. Inside the receiving groove, a transmission frame is bolted. In the middle of the inside of the transmission frame, a lead screw is rotatably sleeved. On the surface of the lead screw, a sliding strip is threadedly connected. On the surface of the sliding strip, a clamping plate is welded. At the right end of the surface of the lead screw, a rotating mechanism is key-connected. The transmission frame can be placed inside the lightweight composite thermal insulation board through the receiving groove, or the transmission frame can be removed. With such a configuration, it is convenient to place the wall panel between the lightweight composite thermal insulation boards and also convenient to remove the wall panel. This structure facilitates the installation and disassembly of the wall panel, and after the wall panel is installed, the sealing performance is good and air leakage is not likely to occur.

[0006] Preferably, the rotating mechanism includes a runner, a large bevel gear, a small bevel gear and a sprocket assembly. At the axis of the runner, it is key-connected to the surface of the large bevel gear. The teeth of the large bevel gear mesh with the teeth of the small bevel gear. The small bevel gear is key-connected to the sprocket assembly. An electric screwdriver drives the runner to rotate. The runner can drive the large bevel gear to rotate. The large bevel gear can drive the small bevel gear to rotate. The small bevel gear can drive the sprocket assembly to rotate.

[0007] Preferably, the sprocket assembly includes a main sprocket, a chain and a sub-sprocket. At the axis on the right side of the small bevel gear, it is key-connected to the left side of the main sprocket. The teeth of the main sprocket mesh with the top inside the chain. The bottom inside the chain meshes with the teeth of the sub-sprocket. At the axis of the sub-sprocket, it is key-connected to the right end of the surface of the lead screw. The small bevel gear can drive the main sprocket to rotate. The main sprocket can drive the chain to rotate. The chain can drive the sub-sprocket to rotate. The sub-sprocket can drive the lead screw to rotate.

[0008] Preferably, a cross groove is provided on the surface of the runner. The axis of the large bevel gear is rotatably connected to the inside of the transmission frame. The axis on the right side of the main sprocket is rotatably connected to the right side inside the transmission frame. The cross groove can facilitate the user to drive the runner to rotate through an electric screwdriver. The large bevel gear is rotatably arranged in the transmission frame through a bearing, which facilitates the smooth rotation of the large bevel gear. The main sprocket is rotatably arranged in the transmission frame through a bearing.

[0009] Preferably, a connecting bolt is inserted into the connecting hole. On the back of the lightweight composite thermal insulation board, a threaded sleeve threadedly connected with the connecting bolt is provided. A corrugated ring is provided on the surface of the threaded sleeve. The threaded sleeve is built in the frame of the building. The connecting bolt is used to connect and fix the lightweight composite thermal insulation board.

[0010] Preferably, a reinforcing block is welded to the left side of the fixing plate. The reinforcing block abuts against the lightweight composite heat-insulating board. A fixing hole is formed on the surface of the fixing plate close to the lightweight composite heat-insulating board. The fixing hole of the fixing plate is threadedly connected to the surface of the fixing bolt. A rubber pad is adhered to the right side of the fixing plate. The reinforcing block is used to support and stabilize the fixing plate. The reinforcing block can enhance the strength. The fixing hole facilitates the use of the fixing bolt for fixing.

[0011] Preferably, a reinforcing plate is integrally processed on the right side of the clamping plate. The reinforcing plate is welded to the sliding bar. A guiding rod is slidably connected to the sliding hole on the side of the sliding bar. Both ends of the guiding rod are welded to the inside of the transmission frame. Connecting ears are welded to the top and bottom of the transmission frame. The holes of the connecting ears are bolted to the inside of the connecting grooves. The reinforcing plate is used to enhance the stability of the clamping plate. The guiding rod is used to guide the sliding bar. The sliding bar is slidably arranged on the transmission frame through the sliding rail. The connecting ears are used to fix the transmission frame.

[0012] The beneficial effects of the present invention are as follows:

[0013] Beneficial effect 1: The rotation mechanism of the present invention can drive the lead screw to rotate. The lead screw can drive the sliding bar to move leftward. The sliding bar can drive the clamping plate to move leftward. The clamping plate drives the pressing plate to fix the wall panel on the lightweight composite heat-insulating board.

[0014] Beneficial effect 2: The transmission frame of the present invention is fixed to the lightweight composite heat-insulating board through the receiving groove. With this structure, only by removing the transmission frame can the wall panel be easily removed.

[0015] Beneficial effect 3: The transmission frame of the present invention can be placed inside the lightweight composite heat-insulating board through the receiving groove, or the transmission frame can be removed. With such a configuration, it is convenient to place the wall panel between the lightweight composite heat-insulating boards and also convenient to remove the wall panel. This structure is convenient for the installation and disassembly of the wall panel. And after the wall panel is installed, the sealing performance is good and air leakage is not likely to occur. Description of the Drawings

[0016] Figure 1 It is an overall three-dimensional schematic diagram of the connection structure of the present invention;

[0017] Figure 2 It is a three-dimensional schematic diagram of the transmission frame of the connection structure of the present invention;

[0018] Figure 3 It is a three-dimensional schematic diagram of the sliding bar of the connection structure of the present invention;

[0019] Figure 4 It is a three-dimensional schematic diagram of the moving mechanism of the connection structure of the present invention;

[0020] Figure 5 It is a three-dimensional schematic diagram of the lightweight composite heat-insulating board of the connection structure of the present invention;

[0021] Figure 6 Schematic three-dimensional view of the reinforcing block of the connection structure of the present invention.

[0022] In the figure: 1, lightweight composite heat-insulating board; 2, accommodation groove; 3, connection groove; 4, connection hole; 5, bolt hole; 6, fixing bolt; 7, fixing plate; 8, transmission frame; 9, lead screw; 10, slide bar; 11, clamping plate; 12, runner; 13, large bevel gear; 14, small bevel gear; 15, main sprocket; 16, chain; 17, sub-sprocket; 18, connection bolt; 19, threaded sleeve; 20, reinforcing block; 21, fixing hole; 22, rubber pad; 23, reinforcing plate; 24, guide rod; 25, connection ear. Specific embodiments

[0023] The present invention will be further explained below in conjunction with specific embodiments. Embodiment 1

[0024] Refer to Figures 1-6 , the connection structure between the prefabricated lightweight composite heat-insulating board and the building frame, including the lightweight composite heat-insulating board 1. Accommodation grooves 2 are provided at both the top and bottom of the right side of the surface of the lightweight composite heat-insulating board 1. Connection grooves 3 are provided at both the top and bottom of the accommodation groove 2. Connection holes 4 are provided in the middle of the surface of the lightweight composite heat-insulating board 1. There are six connection holes 4. Bolt holes 5 are provided on the left side of the surface of the lightweight composite heat-insulating board 1. A fixing bolt 6 is inserted into the interior of the bolt hole 5. The lightweight composite heat-insulating board 1 is threadedly connected to a fixing plate 7 through the fixing bolt 6. A transmission frame 8 is bolted inside the accommodation groove 2. A lead screw 9 is rotatably sleeved in the middle of the interior of the transmission frame 8. A slide bar 10 is threadedly connected to the surface of the lead screw 9. A clamping plate 11 is welded to the surface of the slide bar 10. A rotating mechanism is key-connected to the right end of the surface of the lead screw 9.

[0025] The rotating mechanism includes a runner 12, a large bevel gear 13, a small bevel gear 14 and a sprocket assembly. The center of the runner 12 is key-connected to the surface of the large bevel gear 13. The teeth of the large bevel gear 13 are meshed with the teeth of the small bevel gear 14. The small bevel gear 14 is key-connected to the sprocket assembly. An electric screwdriver drives the runner 12 to rotate. The runner 12 can drive the large bevel gear 13 to rotate. The large bevel gear 13 can drive the small bevel gear 14 to rotate. The small bevel gear 14 can drive the sprocket assembly to rotate.

[0026] The sprocket assembly includes a main sprocket 15, a chain 16 and a sub-sprocket 17. The center of the right side of the small bevel gear 14 is key-connected to the left side of the main sprocket 15. The teeth of the main sprocket 15 are meshed with the top end inside the chain 16. The bottom end inside the chain 16 is meshed with the teeth of the sub-sprocket 17. The center of the sub-sprocket 17 is key-connected to the right end of the surface of the lead screw 9. The small bevel gear 14 can drive the main sprocket 15 to rotate. The main sprocket 15 can drive the chain 16 to rotate. The chain 16 can drive the sub-sprocket 17 to rotate. The sub-sprocket 17 can drive the lead screw 9 to rotate.

[0027] The surface of the runner 12 is provided with a cross groove. The center of the large bevel gear 13 is rotatably connected to the inside of the transmission frame 8, and the center of the right side of the main sprocket 15 is rotatably connected to the right side inside the transmission frame 8. The cross groove can facilitate the user to drive the runner 12 to rotate through an electric screwdriver. The large bevel gear 13 is rotatably arranged in the transmission frame 8 through a bearing, which facilitates the smooth rotation of the large bevel gear 13. The main sprocket 15 is rotatably arranged in the transmission frame 8 through a bearing.

[0028] A connecting bolt 18 is inserted into the connecting hole 4. A threaded sleeve 19 that is threadedly connected to the connecting bolt 18 is provided on the back of the lightweight composite heat-insulating board 1. The surface of the threaded sleeve 19 is provided with a corrugated ring. The threaded sleeve 19 is built in the frame of the building. The connecting bolt 18 is used to connect and fix the lightweight composite heat-insulating board 1.

[0029] A reinforcing block 20 is welded to the left side of the fixing plate 7. The reinforcing block 20 abuts against the lightweight composite heat-insulating board 1. A fixing hole 21 is provided on the surface of the fixing plate 7 that is close to the lightweight composite heat-insulating board 1. The fixing hole 21 of the fixing plate 7 is threadedly connected to the surface of the fixing bolt 6. A rubber pad 22 is adhered to the right side of the fixing plate 7. The reinforcing block 20 is used to support and stabilize the fixing plate 7. The reinforcing block 20 can improve the strength. The fixing hole 21 facilitates the use of the fixing bolt 6 for fixing.

[0030] A reinforcing plate 23 is integrally processed on the right side of the clamping plate 11. The reinforcing plate 23 is welded to the sliding bar 10. A guiding rod 24 is slidably connected to the sliding hole on the side of the sliding bar 10. Both ends of the guiding rod 24 are welded to the inside of the transmission frame 8. Connecting ears 25 are welded to the top and bottom of the transmission frame 8. The holes of the connecting ears 25 are bolted to the inside of the connecting groove 3. The reinforcing plate 23 is used to enhance the stability of the clamping plate 11. The guiding rod 24 is used to guide the sliding bar 10. The sliding bar 10 is slidably arranged in the transmission frame 8 through a slide rail. The connecting ears 25 are used to fix the transmission frame 8.

[0031] The transmission frame 8 can be placed inside the lightweight composite heat-insulating board 1 through the accommodating groove 2, or the transmission frame 8 can be removed. With such a configuration, it is convenient to place the wall panel between the lightweight composite heat-insulating boards 1 and also convenient to remove the wall panel. Such a structure facilitates the installation and disassembly of the wall panel, and after the wall panel is installed, the sealing performance is good and it is not easy to leak air.

[0032] Working principle of the connection structure between the prefabricated lightweight composite insulation board and the building frame: According to the position distribution of the connection holes 4, during the factory production process, the threaded sleeves 19 are built into the inner side of the building frame. At the assembly site, three fixing bolts 6 are respectively inserted into the three bolt holes 5 of the lightweight composite insulation board 1, and then the fixing bolts 6 are aligned with the fixing holes 21 of the fixing plate 7. Use a screwdriver to rotate, and fix the fixing plate 7 on the lightweight composite insulation board 1 through the fixing bolts 6. Then, attach the lightweight composite insulation board 1 with the fixing plate 7 installed to the frame of the prefabricated building. Align the connection holes 4 with the threaded sleeves 19 on the frame, insert the connection bolts 18 and rotate to fix them, so that the lightweight composite insulation board 1 is firmly fixed on the prefabricated building frame. Multiple lightweight composite insulation boards 1 are installed on the inner side of the frame. The gaps between the lightweight composite insulation boards 1 can be sealed with rubber. Then, attach a rubber cloth to the edge of the wall panel and place it between the lightweight composite insulation board 1 and the fixing plate 7. Then, stabilize the wall panel, place the assembled transmission frame 8 into the receiving groove 2 of the lightweight composite insulation board 1. The connecting ear 25 is located inside the connecting groove 3. Use bolts to fix the connecting ear 25 and the transmission frame 8. Then, place a long pressing plate between the clamping plate 11 and the wall panel. Align the electric screwdriver with the cross slot of the rotating wheel 12. The electric screwdriver drives the rotating wheel 12 to rotate. The rotating wheel 12 can drive the large bevel gear 13 to rotate. The large bevel gear 13 can drive the small bevel gear 14 to rotate. The small bevel gear 14 can drive the main sprocket 15 to rotate. The main sprocket 15 can drive the chain 16 to rotate. The chain 16 can drive the secondary sprocket 17 to rotate. The secondary sprocket 17 can drive the lead screw 9 to rotate. The lead screw 9 can drive the slide bar 10 to move leftward. The slide bar 10 can drive the clamping plate 11 and the reinforcing plate 23 to move leftward. The clamping plate 11 drives the pressing plate to fix the wall panel on the lightweight composite insulation board 1. Embodiment 2

[0033] Manufacturing method of the connection structure between the prefabricated lightweight composite insulation board and the building frame, including the following steps:

[0034] S1: Through cutting, obtain a lightweight composite insulation board 1 with a height of 60 cm, a length of 22 cm, and a width of 2 cm. Use a machine tool to cut two receiving grooves 2 at the top and bottom of the right side of the surface of the lightweight composite insulation board 1 respectively. The size of the receiving groove 2 is 18 cm in height, 8 cm in length, and 1.8 cm in depth. Cut two connecting grooves 3 at the top and bottom of the receiving groove 2, and use a drilling machine to drill holes in the internal of the connecting groove 3 and tap them into screw holes.

[0035] S2: Use a drilling machine to drill six connection holes 4 and three bolt holes 5 on the left side and middle of the surface of the lightweight composite insulation board 1 respectively. Use a thicker drill bit to drill 0.4 cm deep at the front side of the connection hole 4, and use the same drill bit to drill 0.4 cm deep at the back of the bolt hole 5. Finally, polish all parts of the lightweight composite insulation board 1 with a polishing machine.

[0036] S3: After cutting, a fixing plate 7 with a height of 60 cm, a length of 15 cm, and a width of 1 cm is obtained. Then, a triangular reinforcing block 20 is machined using a machine tool. Then, the reinforcing block 20 is welded to the fixing plate 7. After welding is completed, the fixing plate 7 is fixed on the fixture of the drilling machine, and three holes are drilled using a drill. Then, tapping is performed to obtain fixing holes 21. After the fixing plate 7 and the reinforcing block 20 are polished, a rubber pad 22 is pasted on the right side of the fixing plate 7.

[0037] S4: A transmission frame 8 with a height of 18 cm, a length of 8 cm, a width of 1.8 cm, and an inner wall thickness of 0.15 cm is cast or cut. Four connecting ears 25 are cut out and drilled. Then, two connecting ears 25 are welded to one transmission frame 8. Then, holes matching the lead screw 9 are drilled on both sides inside the transmission frame 8, and it is polished and placed aside.

[0038] S5: A slide bar 10 with a height of 17.7 cm, a length of 2 cm, and a width of 1.65 cm is cut using a machine tool. Then, holes are drilled at the top and bottom of the side of the slide bar 10 using a drill to obtain slide holes, and tapping is performed at the middle of the side of the slide bar 10 to obtain screw holes. It is polished and placed aside. Then, a plate with a height of 18 cm, a length of 2 cm, and a width of 10 cm is obtained. The right side of the plate is cut to form a triangular reinforcing plate 23. After polishing, it is aligned and welded to the slide bar 10.

[0039] S6: The axis of the secondary sprocket 17 is connected to the right end surface of the lead screw 9. Then, a chain 16 is put on. The runner 12, the large bevel gear 13, the small bevel gear 14, and the main sprocket 15 are installed inside the transmission frame 8. The lead screw 9 rotates into the screw hole of the slide bar 10. Then, two guide rods 24 are inserted into the slide holes of the slide bar 10. The slide bar 10 is placed inside the transmission frame 8. The lead screw 9 is aligned and installed with the holes of the transmission frame 8. The chain 16 is engaged on the main sprocket 15 and the secondary sprocket 17. The guide rods 24 are welded to the inside of the transmission frame 8 to complete the assembly. The fixing bolt 6, the lead screw 9, the large bevel gear 13, the small bevel gear 14, the main sprocket 15, the chain 16, the secondary sprocket 17, the connecting bolt 18, and the threaded sleeve 19 all adopt the accessories on the current market. The fixing bolt 6 and the connecting bolt 18 adopt bolts of the same size. Example 3

[0040] The construction method of the connection structure between the prefabricated lightweight composite insulation board and the building frame includes the following steps:

[0041] S1: According to the position distribution of the connection holes 4, during the factory production process, the threaded sleeve 19 is built into the inside of the building frame.

[0042] S2: At the assembly site, insert the three fixing bolts 6 into the three bolt holes 5 of the lightweight composite insulation board 1 respectively, then align the fixing bolts 6 with the fixing holes 21 of the fixing plate 7, and use a screwdriver to rotate, so as to fix the fixing plate 7 on the lightweight composite insulation board 1 through the fixing bolts 6.

[0043] S3: Then, attach the lightweight composite insulation board 1 with the fixing plate 7 installed to the frame of the prefabricated building, align the connecting holes 4 with the threaded sleeves 19 on the frame, insert the connecting bolts 18 and rotate to fix them, so that the lightweight composite insulation board 1 is firmly fixed on the prefabricated building frame. Install multiple lightweight composite insulation boards 1 inside the frame, and the gaps between the lightweight composite insulation boards 1 can be sealed with rubber.

[0044] S4: Then attach a rubber cloth to the edge of the wall panel, place it between the lightweight composite insulation board 1 and the fixing plate 7, and then stabilize the wall panel.

[0045] S5: Place the assembled drive frame 8 into the receiving groove 2 of the lightweight composite insulation board 1, with the connecting ears 25 located inside the connecting groove 3, fix the connecting ears 25 and the drive frame 8 with bolts, and then place a long pressing plate between the clamping plate 11 and the wall panel.

[0046] S6: Align the electric screwdriver with the cross slot of the runner 12, the electric screwdriver drives the runner 12 to rotate, the runner 12 can drive the large bevel gear 13 to rotate, the large bevel gear 13 can drive the small bevel gear 14 to rotate, the small bevel gear 14 can drive the main sprocket 15 to rotate, the main sprocket 15 can drive the chain 16 to rotate, the chain 16 can drive the sub-sprocket 17 to rotate, the sub-sprocket 17 can drive the lead screw 9 to rotate, the lead screw 9 can drive the slide bar 10 to move leftward, the slide bar 10 can drive the clamping plate 11 and the reinforcing plate 23 to move leftward, and the clamping plate 11 drives the pressing plate to fix the wall panel on the lightweight composite insulation board 1.

[0047] The above is only the preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. The connection structure between the prefabricated lightweight composite thermal insulation board and the building frame is characterized in that It includes a lightweight composite thermal insulation board (1). At the top and bottom of the right side of the surface of the lightweight composite thermal insulation board (1), accommodation grooves (2) are provided. At the top and bottom of the accommodation grooves (2), connection grooves (3) are provided. At the middle of the surface of the lightweight composite thermal insulation board (1), connection holes (4) are provided; on the left side of the surface of the lightweight composite thermal insulation board (1), bolt holes (5) are provided. A fixing bolt (6) is inserted into the interior of the bolt hole (5). The lightweight composite thermal insulation board (1) is threadedly connected with a fixing plate (7) through the fixing bolt (6). A transmission frame (8) is bolted inside the accommodation groove (2). A lead screw (9) is rotatably sleeved at the middle of the interior of the transmission frame (8). A slide bar (10) is threadedly connected to the surface of the lead screw (9). A clamping plate (11) is welded to the surface of the slide bar (10). A rotating mechanism is key-connected to the right end of the surface of the lead screw (9); The rotating mechanism includes a runner (12), a large bevel gear (13), a small bevel gear (14) and a sprocket assembly. The center of the runner (12) is key-connected to the surface of the large bevel gear (13). The teeth of the large bevel gear (13) are meshed with the teeth of the small bevel gear (14). The small bevel gear (14) is key-connected to the sprocket assembly; The sprocket assembly includes a main sprocket (15), a chain (16) and a sub-sprocket (17). The center of the right side of the small bevel gear (14) is key-connected to the left side of the main sprocket (15). The teeth of the main sprocket (15) are meshed with the top end inside the chain (16). The bottom end inside the chain (16) is meshed with the teeth of the sub-sprocket (17). The center of the sub-sprocket (17) is key-connected to the right end of the surface of the lead screw (9); A cross groove is provided on the surface of the runner (12). The center of the large bevel gear (13) is rotatably connected to the interior of the transmission frame (8). The center of the right side of the main sprocket (15) is rotatably connected to the right side inside the transmission frame (8); A connecting bolt (18) is inserted into the interior of the connection hole (4). A threaded sleeve (19) threadedly connected to the connecting bolt (18) is provided on the back of the lightweight composite thermal insulation board (1). A corrugated ring is provided on the surface of the threaded sleeve (19); A reinforcing block (20) is welded to the left side of the fixing plate (7). The reinforcing block (20) abuts against the lightweight composite thermal insulation board (1). A fixing hole (21) is provided on the side of the fixing plate (7) close to the lightweight composite thermal insulation board (1). The fixing hole (21) of the fixing plate (7) is threadedly connected to the surface of the fixing bolt (6). A rubber pad (22) is adhered to the right side of the fixing plate (7); A reinforcing plate (23) is integrally processed on the right side of the clamping plate (11). The reinforcing plate (23) is welded to the slide bar (10). A guide rod (24) is slidably connected to the slide hole on the side of the slide bar (10). Both ends of the guide rod (24) are welded to the interior of the transmission frame (8). Connection ears (25) are welded to the top and bottom of the transmission frame (8). The holes of the connection ears (25) are bolted to the interior of the connection groove (3).

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