Wall surface insulation board fixing device

Abstract

The invention relates to the technical field of building wall heat preservation, and discloses a wall heat preservation plate fixing device which comprises a fixing support, a plurality of auxiliary supporting assemblies are installed on the surface of the fixing support, each auxiliary supporting assembly comprises an open groove, the open grooves are formed in the upper surface of the fixing support, and extrusion heads are slidably connected into the open grooves. A first spring is fixedly connected to the lower side wall of the extrusion head, the bottom end of the first spring is fixedly connected with the inner wall of the fixing support, a first tooth groove is formed in the surface of the extrusion head, a gear is connected to the first tooth groove in a kneading mode, and a reinforcing plate is rotationally connected to the shaft end of the gear. When the heat preservation plate is placed in the fixing support, the fixing claws automatically stretch out and are kept on the outer side edge of the heat preservation plate, the heat preservation plate is preliminarily installed in the fixing support, auxiliary supporting of the heat preservation plate is achieved, manual supporting installation is not needed, and accidental falling of the heat preservation plate during fixing is effectively avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of building wall insulation, and specifically relates to a fixing device for wall insulation boards. Background Art

[0002] With the improvement of building energy conservation requirements, exterior wall insulation technology has been widely applied. Currently, common insulation materials include polystyrene foam boards, rock wool boards, extruded polystyrene boards, etc. These materials are installed on the exterior walls of buildings through fixing devices to improve the insulation performance of the walls. However, existing fixing technologies still have certain problems in terms of installation efficiency, stability, and construction costs. In recent years, with the popularization of green buildings and low-carbon buildings, the market demand for high-efficiency, economical, and environmentally friendly insulation board fixing devices has been increasing; Currently, common fixing methods for insulation boards mainly include adhesive fixing, mechanical fixing, and composite fixing. Adhesive fixing involves directly pasting the insulation board on the wall surface. The construction is simple, but it is greatly affected by environmental temperature and humidity and is prone to falling off problems. Mechanical fixing uses expansion bolts or anchor nails to fix the insulation board on the wall surface, with better stability, but the construction is complex and it causes certain damage to the wall structure. Composite fixing combines the advantages of adhesive and mechanical fixing, but the cost is high and the construction period is long. The disadvantage of adhesive fixing is that it is easily affected by the environment and has poor stability. Although mechanical fixing has good stability, the construction is complex and it damages the wall structure. Although composite fixing combines the advantages of the former two, it has a high cost and a long construction period. Moreover, existing exterior wall insulation board fixing devices clamp and fix the board from the four sides of the board, requiring multiple workers to cooperate in supporting the insulation board and fixing it, which has a high dependence on the skills of construction workers and results in low construction efficiency. Summary of the Invention

[0003] Aiming at the deficiencies of the prior art, the present invention provides a fixing device for wall insulation boards, which solves the problem that multiple workers are required to cooperate in supporting and fixing the insulation board.

[0004] To achieve the above objectives, the present invention is realized through the following technical solutions: A fixing device for wall insulation boards includes a fixing bracket, and a number of auxiliary support components are installed on the surface of the fixing bracket. The auxiliary support components include a slot, the slot is opened on the upper surface of the fixing bracket, a pressing head is slidably connected inside the slot, a first spring is fixedly connected to the lower side wall of the pressing head, and the bottom end of the first spring is fixedly connected to the inner wall of the fixing bracket. A first tooth groove is opened on the surface of the pressing head, the first tooth groove is engaged with a gear, the shaft end of the gear is rotatably connected to a reinforcing plate, the outer wall of the reinforcing plate is fixedly connected to the inner wall of the fixing bracket, a telescopic fixing claw is arranged on one side of the gear, a second tooth groove is opened on the inner side wall of the fixing claw, the second tooth groove is meshed with the gear, and the outer wall of the fixing claw is slidably connected to one end of the reinforcing plate.

[0005] Preferably, the fixing bracket is U-shaped, the fixing bracket is fixed to the wall surface by expansion bolts, the fixing bracket is made of galvanized steel plate, and a limiting protrusion is fixedly arranged on the inner side of the extrusion head.

[0006] Preferably, the fixing claw includes a connecting body, sliding grooves are respectively formed on both sides of the connecting body, and clamping plates are slidably connected inside the sliding grooves.

[0007] Preferably, the bottom end of the clamping plate is fixedly connected with a second spring, and the bottom end of the second spring is fixedly installed on the inner bottom wall of the sliding groove.

[0008] Preferably, a pressing groove is formed on the surface of the clamping plate, and an upper clamping groove and a lower clamping groove are formed on the side wall of the clamping plate from top to bottom.

[0009] Preferably, the auxiliary support assembly further includes a clamping member, the clamping member includes a sliding seat, the outer wall of the sliding seat is fixedly connected with the outer side wall of the fixing bracket, and a pushing block is slidably connected inside the inner wall of the sliding seat.

[0010] Preferably, a clamping column is fixedly connected to one side of the pushing block, the clamping column penetrates through the sliding seat, and a third spring is fixedly connected to the other side of the pushing block, and the other end of the third spring is fixedly installed on the inner side wall of the sliding seat.

[0011] Preferably, a plurality of fixing components are installed on the surface of the fixing bracket, the fixing components include connecting rods, the connecting rods are spring telescopic rods, one end of the connecting rod is rotatably connected with the inner bottom wall of the fixing bracket through a torsion spring rotating shaft, and the other end of the connecting rod is fixedly connected with a limiting block, and the limiting block is L-shaped.

[0012] Preferably, an L-shaped locking hook is fixedly connected to the inner side wall of the limiting block, a locking frame is arranged above the locking hook, one end of the locking frame is fixedly connected with the inner side wall of the fixing bracket, and a mounting hole is formed on the upper side wall of the limiting block, and the mounting hole is used for a locking bolt to pass through the limiting block and be connected with the heat preservation board.

[0013] A method for fixing a wall heat preservation board includes the following steps: S1: Mark the installation position of the fixing bracket on the wall surface; S2: Fix the fixing bracket to the wall surface by using expansion bolts; S3: Place the heat preservation board between the fixing claws; S4: Adjust the length of the connecting rod so that the limiting block closely adheres to the edge of the heat preservation board; S5: Fasten the limiting block by using a locking bolt; S6: Check whether the fixing device is stable and ensure that the heat preservation board is not loose.

[0014] Working principle: During installation, first fix the bracket on the wall, then place the insulation board inside the bracket. When the insulation board moves, it will push the extrusion head down and slide into the inside of the bracket. The extrusion head slides through the tooth groove 1 to drive the gear to rotate. The gear rotates through the tooth groove 2 to drive the fixed claw to rise. The retractable fixed claw will shrink when the insulation board passes through the fixed claw. After the insulation board is completely placed inside the fixed bracket, the fixed claw will stretch out to press against the outer edge of the insulation board, so that the insulation board is initially installed inside the fixed bracket, realizing auxiliary support for the insulation board, so that no manual support is required for installation, effectively avoiding accidental falling off of the insulation board when it is fixed, improving construction efficiency and safety, and reducing the demand for the number of construction personnel and skill proficiency. When the card plate is extended and maintained at the outer edge of the insulation board, the lower card slot moves up and aligns with the card column, and the card column is inserted into the lower card slot through the elastic force of the spring three, thereby locking the card plate horizontally, effectively preventing the card plate from accidentally sliding and affecting the auxiliary support effect of the insulation board, and improving the support stability of the insulation board. When the insulation board needs to be replaced, the push block is pulled to drive the card column to exit the lower card slot, and then the card plate is pressed into the inside of the slide slot until the upper card slot is aligned with the card column, and then the push block is released. The card column is inserted into the inside of the upper card slot through the elastic force of the spring three, thereby realizing the contraction and locking of the card plate, so that the card plate and the insulation board are staggered, so that the insulation board can be taken out from the inside of the fixed claw, and the insulation board can be replaced and installed; After the insulation board is placed, the locking hook is moved to the inside of the locking frame by pulling up and rotating the connecting rod, and then the connecting rod is loosened. The locking hook is clamped on the locking frame by the elastic force of the connecting rod, thereby limiting the limit block. When the locking hook is clamped on the locking frame, the mounting hole is automatically aligned with the threaded hole, and finally the locking bolt passes through the mounting hole and is connected to the threaded hole, thereby connecting the limit block to the insulation board, thereby fixing the insulation board. The cooperation between the fixing bracket and the limit block can effectively prevent the insulation board from falling off after installation.

[0015] The present invention provides a wall insulation board fixing device, which has the following beneficial effects: 1. When the insulation board is placed inside the fixed bracket, the fixing claws automatically extend and remain on the outer edge of the insulation board, so that the insulation board is initially installed inside the fixed bracket, thereby achieving auxiliary support for the insulation board, eliminating the need for manual support for installation, effectively preventing the insulation board from accidentally falling off when being fixed, improving construction efficiency and safety, and reducing the demand for the number of construction personnel and skill proficiency.

[0016] 2. When the card plate of the present invention is extended out and held at the outer edge of the insulation board, the card column is automatically inserted into the lower card slot, thereby locking the card plate laterally, effectively preventing the card plate from accidentally sliding and affecting the auxiliary support effect on the insulation board, and improving the support stability of the fixed claws on the insulation board.

[0017] 3. The present invention presses the card plate toward the inside of the slide slot so that the card column is inserted into the inside of the upper card slot, thereby achieving contraction and locking of the card plate, so that the card plate and the insulation board are staggered, so that the insulation board can be taken out from the inside of the fixed claw, thereby achieving replaceable installation of the insulation board.

[0018] 4. The present invention stores the fixing component in the fixing bracket to avoid affecting the placement of the insulation board, and after the insulation board is placed, the limiting block is pulled out to connect with the insulation board to fix the insulation board. The cooperation between the fixing bracket and the limiting block can effectively prevent the insulation board from falling off after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the fixing bracket structure of the present invention; Figure 3 It is a schematic diagram of the structure of the auxiliary support assembly of the present invention; Figure 4 is a cross-sectional schematic diagram of a fixing bracket of the present invention; Figure 5 It is a schematic diagram of the fixed claw structure of the present invention; Figure 6 For the present invention Figure 3 Enlarged view of point A in the middle; Figure 7 It is a schematic diagram of the structure of the fixing assembly of the present invention; Figure 8 It is a schematic diagram of the locking frame and locking hook structure of the present invention.

[0020] Among them, 1. fixed bracket; 2. auxiliary support assembly; 21. slot; 22. extrusion head; 23. spring one; 24. tooth groove one; 25. gear; 26. fixed claw; 27. tooth groove two; 28. clamping piece; 29. ​​limiting protrusion; 261. connecting body; 262. slide groove; 263. clamping plate; 264. spring two; 265. upper clamping groove; 266. lower clamping groove; 281. sliding seat; 282. push block; 283. clamping column; 284. spring three; 3. reinforcement plate; 4. pressing groove; 5. fixed assembly; 51. connecting rod; 52. limit block; 53. locking hook; 54. locking frame; 7. mounting hole. DETAILED DESCRIPTION

[0021] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Please refer to the attached Figure 1 -Attached Figure 4 The embodiment of the present invention provides a wall insulation board fixing device, comprising a fixing bracket 1, a plurality of auxiliary support components 2 are installed on the surface of the fixing bracket 1, the auxiliary support component 2 comprises a slot 21, the slot 21 is arranged on the upper surface of the fixing bracket 1, an extrusion head 22 is slidably connected inside the slot 21, a spring 23 is fixedly connected to the lower side wall of the extrusion head 22, the bottom end of the spring 23 is fixedly connected to the inner wall of the fixing bracket 1, a tooth groove 24 is arranged on the surface of the extrusion head 22, a gear 25 is kneaded and connected to the tooth groove 24, a reinforcing plate 3 is rotatably connected to the shaft end of the gear 25, the outer wall of the reinforcing plate 3 is fixedly connected to the inner wall of the fixing bracket 1, a retractable fixing claw 26 is arranged on one side of the gear 25, a tooth groove 27 is arranged on the inner side wall of the fixing claw 26, the tooth groove 27 is meshed and connected to the gear 25, the outer wall of the fixing claw 26 is slidably connected to one end of the reinforcing plate 3, an elastic gasket is fixedly arranged on the surface of the fixing bracket 1 to reduce the extrusion damage to the insulation board, and the elastic gasket is made of rubber.

[0023] Specifically, a trapezoidal head is provided at the top of the extrusion head 22, so that when the insulation board is placed, the extrusion head 22 can be pushed along the inclined surface at the top of the extrusion head 22 to move automatically. The spring 1 23 is used to support the extrusion head 22, so that the trapezoidal head of the extrusion head 22 is located outside the fixed bracket 1. The overall width of the fixed bracket 1 is consistent with the thickness of the insulation board. The fixed bracket 1 is installed around the insulation board. Through the cooperation of the tooth groove 1 24, the gear 25 and the tooth groove 27, the extrusion head 22 and the fixed claw 26 maintain opposite moving directions. The reinforcing plate 3 is used to support the fixed bracket 1. During installation, the fixed bracket 1 is first fixed to the wall, and then the insulation board is placed inside the fixed bracket 1. When the insulation board moves, it will push The movable extrusion head 22 moves downward and slides to the inside of the fixed bracket 1. The extrusion head 22 slides through the tooth groove 1 24 to drive the gear 25 to rotate. The gear 25 rotates through the tooth groove 27 to drive the fixing claw 26 to rise. The retractable fixing claw 26 makes the fixing claw 26 shrink when the insulation board passes through the fixing claw 26. After the insulation board is completely placed in the fixed bracket 1, the fixing claw 26 stretches out to resist the outer edge of the insulation board, so that the insulation board is initially installed in the fixed bracket 1, realizing auxiliary support for the insulation board, thereby eliminating the need for manual support installation, effectively avoiding accidental falling off of the insulation board when it is fixed, improving construction efficiency and safety, and reducing the demand for the number and skill proficiency of construction personnel.

[0024] Please refer to the attached Figure 1 -Attached Figure 4 The fixing bracket 1 is set to be U-shaped, and the fixing bracket 1 is fixed to the wall by expansion bolts. The fixing bracket 1 is made of galvanized steel plate, and a limiting protrusion 29 is fixedly provided on the inner side of the extrusion head 22.

[0025] Specifically, the limit protrusion 29 is used to limit the length of the extrusion head 22 extending out, so that the trapezoidal head at the top of the extrusion head 22 extends out of the slot 21.

[0026] Please refer to the attached Figure 5 , the fixing claw 26 includes a connecting body 261. Chutes 262 are respectively formed on both sides of the connecting body 261. A clamping plate 263 is slidably connected inside the chutes 262. The clamping plate 263 is made of stainless steel. A second spring 264 is fixedly connected to the bottom end of the clamping plate 263, and the bottom end of the second spring 264 is fixedly installed on the inner bottom wall of the chutes 262.

[0027] Specifically, the elastic force of the second spring 264 pushes a part of the clamping plate 263 to remain outside the chutes 262. When the gear 25 rotates, it drives the connecting body 261 to rise. The connecting body 261 drives the clamping plate 263 to rise. At this time, since the heat preservation board abuts against the clamping plate 263, the clamping plate 263 slides into the chutes 262. After the heat preservation board is completely placed inside the fixing bracket 1, the clamping plate 263 extends outwards by the elastic force of the second spring 264, so as to abut against the outer edge of the heat preservation board for auxiliary support.

[0028] Please refer to the attached Figure 4 - attached Figure 6 , a pressing groove 4 is formed on the surface of the clamping plate 263. An upper clamping groove 265 and a lower clamping groove 266 are formed on the side wall of the clamping plate 263 from top to bottom. The auxiliary support assembly 2 further includes a clamping member 28. The clamping member 28 includes a sliding seat 281. The outer wall of the sliding seat 281 is fixedly connected to the outer wall of the fixing bracket 1. A push block 282 is slidably connected to the inner wall of the sliding seat 281. A clamping column 283 is fixedly connected to one side of the push block 282. The clamping column 283 penetrates through the sliding seat 281. A third spring 284 is fixedly connected to the other side of the push block 282, and the other end of the third spring 284 is fixedly installed on the inner side wall of the sliding seat 281.

[0029] Specifically, the pressing groove 4 facilitates the construction workers to push the clamping plate 263 to slide. The pushing block 282 approaches the fixed claw 26 by the elastic force of the third spring 284, and the outer end of the clamping column 283 abuts against the outer side wall of the clamping plate 263. When the clamping plate 263 extends and remains at the outer edge of the insulation board, the lower clamping groove 266 moves upward and aligns with the clamping column 283. The clamping column 283 is inserted into the interior of the lower clamping groove 266 by the elastic force of the third spring 284, thereby transversely locking the clamping plate 263, effectively preventing the accidental sliding of the clamping plate 263 from affecting the auxiliary support effect on the insulation board, and improving the support stability of the insulation board. When the insulation board needs to be replaced, the pushing block 282 is pulled to drive the clamping column 283 to withdraw from the lower clamping groove 266. Subsequently, the clamping plate 263 is pressed into the interior of the sliding groove 262 until the upper clamping groove 265 aligns with the clamping column 283, and then the pushing block 282 is released. The clamping column 283 is inserted into the interior of the upper clamping groove 265 by the elastic force of the third spring 284, thereby realizing the retraction locking of the clamping plate 263, causing the clamping plate 263 to be staggered from the insulation board, so that the insulation board can be taken out from the interior of the fixed claw 26, realizing the replaceable installation of the insulation board.

[0030] Please refer to the appendix Figure 7 On the surface of the fixed bracket 1, a number of fixing components 5 are installed. The fixing component 5 includes a connecting rod 51. The connecting rod 51 is a spring telescopic rod. One end of the connecting rod 51 is rotatably connected to the inner bottom wall of the fixed bracket 1 through a torsion spring rotating shaft. The other end of the connecting rod 51 is fixedly connected with a limiting block 52. The limiting block 52 is L-shaped. The connecting rod 51 is made of aluminum alloy, and the limiting block 52 is made of engineering plastic. An installation hole 7 is opened on the upper side wall of the limiting block 52. The installation hole 7 is used for a locking bolt to pass through the limiting block 52 and be connected to the insulation board. A number of threaded holes are opened on the surface of the insulation board, and the threaded holes are used for threaded connection with the locking bolt.

[0031] Specifically, initially, the connecting rod 51 elastically contracts, making the top end of the limiting block 52 lower than the upper surface of the fixed bracket 1. A torsion force is applied to the connecting rod 51 through the torsion spring rotating shaft, causing the connecting rod 51 and the limiting block 52 to fit against the inner side wall of the fixed bracket 1, so that the fixing component 5 is accommodated in the fixed bracket 1, avoiding affecting the placement of the insulation board. After the insulation board is placed, by pulling the connecting rod 51 upward to drive the limiting block 52 to move upward, the limiting block 52 is moved to the outer edge of the insulation board. After aligning the installation hole 7 with the threaded hole at the edge of the insulation board, the locking bolt passes through the installation hole 7 and is connected to the threaded hole, thereby connecting the limiting block 52 to the insulation board and realizing the fixation of the insulation board. Through the cooperation of the fixed bracket 1 and the limiting block 52, the insulation board is effectively prevented from falling off after installation.

[0032] Please refer to the appendix Figure 7 - appendix Figure 8, a locking hook 53 in the shape of an L is fixedly connected to the inner side wall of the limit block 52, and a locking frame 54 is arranged above the locking hook 53. One end of the locking frame 54 is fixedly connected to the inner side wall of the fixed bracket 1.

[0033] Specifically, during installation, by pulling up and rotating the connecting rod 51, the locking hook 53 is moved into the interior of the locking frame 54, and then the connecting rod 51 is released. Due to the elastic force of the connecting rod 51, the locking hook 53 clamps the locking frame 54, thereby limiting the limit block 52. When the locking hook 53 clamps the locking frame 54, the installation hole 7 is automatically aligned with the threaded hole, facilitating the installation of the locking bolt. At the same time, the limit block 52 is laterally limited, improving the stability of the limit block 52 when fixing the insulation board.

[0034] A method for fixing a wall insulation board includes the following steps: S1: Mark the installation position of the fixed bracket 1 on the wall surface; S2: Fix the fixed bracket 1 on the wall surface using expansion bolts; S3: Place the insulation board between the fixed claws 26; S4: Adjust the length of the connecting rod 51 so that the limit block 52 closely adheres to the edge of the insulation board; S5: Fasten the limit block 52 with a locking bolt; S6: Check whether the fixing device is stable and ensure that the insulation board is not loose.

[0035] Specifically, the fixed bracket 1 is fixed on the wall surface by expansion bolts, and the fixed claws 26 are used to pre-clamp the insulation board; the limit block 52 is locked by a locking bolt to fix the edge of the insulation board. During construction, first fix the fixed bracket 1, then place the insulation board and limit it through the fixed claws 26, and finally complete the fixation through the limit block 52.

[0036] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wall insulation board fixing device, comprising a fixing bracket (1), characterized in that: A plurality of auxiliary support components (2) are mounted on the surface of the fixed bracket (1), and the auxiliary support components (2) include a slot (21), the slot (21) being formed on the upper surface of the fixed bracket (1), an extrusion head (22) being slidably connected inside the slot (21), a spring (23) being fixedly connected to the lower side wall of the extrusion head (22), the bottom end of the spring (23) being fixedly connected to the inner wall of the fixed bracket (1), and a tooth groove (24) being formed on the surface of the extrusion head (22). ), the tooth groove one (24) is kneaded and connected with a gear (25), the shaft end of the gear (25) is rotatably connected with a reinforcing plate (3), the outer wall of the reinforcing plate (3) is fixedly connected to the inner wall of the fixed bracket (1), a retractable fixing claw (26) is provided on one side of the gear (25), the inner side wall of the fixing claw (26) is provided with a tooth groove two (27), the tooth groove two (27) is meshed and connected with the gear (25), and the outer wall of the fixing claw (26) is slidably connected to one end of the reinforcing plate (3).

2. A wall insulation board fixing device according to claim 1, characterized in that: The fixing bracket (1) is configured to be U-shaped, and the fixing bracket (1) is fixed to the wall surface by means of expansion bolts, and a limiting protrusion (29) is fixedly provided on the inner side of the extrusion head (22).

3. A wall insulation board fixing device according to claim 1, characterized in that: The fixing claw (26) comprises a connecting body (261), and two sides of the connecting body (261) are respectively provided with sliding grooves (262), and the interior of the sliding groove (262) is slidably connected with a clamping plate (263).

4. A wall insulation board fixing device according to claim 3, characterized in that: The bottom end of the clamping plate (263) is fixedly connected to a second spring (264), and the bottom end of the second spring (264) is fixedly mounted on the inner bottom wall of the sliding groove (262).

5. A wall insulation board fixing device according to claim 3, characterized in that: A pressing groove (4) is provided on the surface of the clamping plate (263), and an upper clamping groove (265) and a lower clamping groove (266) are provided on the side wall of the clamping plate (263) from top to bottom.

6. A wall insulation board fixing device according to claim 1, characterized in that: The auxiliary support assembly (2) further comprises a clamping member (28), wherein the clamping member (28) comprises a sliding seat (281), wherein an outer wall of the sliding seat (281) is fixedly connected to an outer wall of the fixed bracket (1), and a push block (282) is slidably connected to an inner wall of the sliding seat (281).

7. A wall insulation board fixing device according to claim 6, characterized in that: A clamping column (283) is fixedly connected to one side of the push block (282), and the clamping column (283) passes through the sliding seat (281). A spring three (284) is fixedly connected to the other side of the push block (282), and the other end of the spring three (284) is fixedly mounted on the inner wall of the sliding seat (281).

8. A wall insulation board fixing device according to claim 1, characterized in that: A plurality of fixing components (5) are mounted on the surface of the fixing bracket (1). The fixing component (5) comprises a connecting rod (51). The connecting rod (51) is a spring telescopic rod. One end of the connecting rod (51) is rotatably connected to the inner bottom wall of the fixing bracket (1) via a torsion spring rotating shaft. The other end of the connecting rod (51) is fixedly connected to a limit block (52). The limit block (52) is L-shaped. An upper side wall of the limit block (52) is provided with a mounting hole (7). The mounting hole (7) is used for a locking bolt to pass through the limit block (52) and connect to the insulation board.

9. A wall insulation board fixing device according to claim 8, characterized in that: An L-shaped locking hook (53) is fixedly connected to the inner side wall of the limit block (52), a locking frame (54) is arranged above the locking hook (53), and one end of the locking frame (54) is fixedly connected to the inner side wall of the fixed bracket (1).

10. A method for fixing a wall insulation board, characterized in that: A wall insulation board fixing device applied to any one of claims 1 to 9 comprises the following steps: S1: Mark the installation position of the fixing bracket (1) on the wall; S2: Use expansion bolts to fix the fixing bracket (1) to the wall. S3: placing the insulation board between the fixing claws (26); S4: adjusting the length of the connecting rod (51) so that the limit block (52) is close to the edge of the insulation board; S5: Tighten the stopper (52) by means of a locking bolt; S6: Check whether the fixing device is stable and ensure that the insulation board is not loose.

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