A detachable unloading platform fixing device

Abstract

The application relates to a fixing device, belongs to the technical field of unloading platform construction, and particularly relates to a detachable unloading platform fixing device, which comprises a pre-buried sealing sleeve pipe pre-buried in a concrete slab and an unloading platform body, a fixing bolt is arranged in the pre-buried sealing sleeve pipe, a fixing plate is arranged at the top end of the fixing bolt, a gasket is arranged on the fixing plate, a fixing nut is screwed on the fixing bolt, the gasket is located between the fixing plate and the fixing nut, and a wooden block is arranged between the fixing plate and the unloading platform body. The application can improve the complicated dismounting work in the prior art, the device can be repeatedly dismounted and used, construction cost can be reduced, the effect of reducing cost and increasing benefit is achieved during building construction, the existing fixing mode of only using a U-shaped steel pull ring is solved, the problems of being not economical and green, being difficult to dismount and being not recycled after dismounting to cause resource waste are solved.

Description

Technical Field

[0001] This invention relates to the field of unloading platform construction technology, and in particular to a detachable unloading platform fixing device. Background Technology

[0002] In the construction process, unloading platforms are the main channels for large-sized materials to enter and exit floors. They are widely used in engineering practice, with cantilevered unloading platforms being particularly common. Since cantilevered unloading platforms are usually used for high-altitude operations, their safety, reliability, and economy cannot be ignored.

[0003] In existing technologies, the commonly used embedded device for cantilevered unloading platforms is the U-shaped steel bar tie ring, which is used to fix the unloading platform to maintain its stability and safety. However, the U-shaped steel bar tie ring needs to be fabricated and welded on-site, and it can only be used once. After construction, it needs to be cut off, which is destructive and uneconomical. It also generates construction waste, failing to meet the requirements of economical construction and environmental protection, and does not comply with the requirements of green construction. To solve the above problems, a detachable unloading platform fixing device and its usage method are proposed. Summary of the Invention

[0004] To address the aforementioned technical problems, this invention proposes a detachable unloading platform fixing device. This invention improves upon the cumbersome disassembly work in the prior art, and the device can be repeatedly disassembled and reused, which helps reduce construction costs and achieves cost reduction and efficiency improvement during construction.

[0005] The technical solution to achieve the purpose of this invention is as follows: a detachable unloading platform fixing device, including a pre-embedded sealing sleeve embedded in a concrete slab and an unloading platform body, a fixing bolt is provided in the pre-embedded sealing sleeve, a fixing plate is provided at the top of the fixing bolt, a washer is provided on the fixing plate, a fixing nut is screwed onto the fixing bolt, the washer is located between the fixing plate and the fixing nut, and a wooden block is provided between the fixing plate and the unloading platform body.

[0006] In some embodiments, a fixing cover plate is provided on the fixing bolt, an auxiliary fixing block is provided on the fixing cover plate, a light column is fixedly connected to the inner wall of the auxiliary fixing block, a bidirectional threaded screw is rotatably connected to the inner wall of the auxiliary fixing block, and an adjustment knob is rotatably connected to one side of the auxiliary fixing block, the adjustment knob and the bidirectional threaded screw being coaxially fixed.

[0007] In some embodiments, the fixed cover plate is provided with an adjustable clamping plate, the top end of the adjustable clamping plate is slidably connected to the light column, and the top end of the adjustable clamping plate is screwed to a bidirectional threaded screw.

[0008] In some embodiments, a side stabilizing post is slidably connected to one side of the adjustable clamping plate, a side clamping block is fixedly connected to one end of the side stabilizing post, and a side fixing screw is rotatably connected to one side of the side clamping block, the side fixing screw being screwed to the adjustable clamping plate.

[0009] In some embodiments, a top stabilizing post is slidably connected to the top of the fixed cover plate, a top pressure plate is fixedly connected to the bottom of the top stabilizing post, and a top fixing screw is rotatably connected to the upper surface of the top pressure plate.

[0010] In some embodiments, an expansion fixing platform is fixedly connected to the end of the unloading platform body, an expansion screw is fixedly connected to the upper surface of the expansion fixing platform, a stop plate is provided at the top of the expansion screw, a drive ring is threadedly connected to the surface of the expansion screw, and an expansion ring is rotatably connected to the lower surface of the drive ring.

[0011] In some embodiments, a bottom support rod is rotatably connected to the surface of the expansion fixing platform, and an expansion fixing rod is rotatably connected to the surface of the expansion ring, with the expansion fixing rod being rotatably connected to the bottom support rod.

[0012] The significant advantages of this invention compared to existing technologies are:

[0013] Firstly, this invention uses a pre-embedded sealing sleeve, detachable fixing bolts and nuts, and wooden blocks as spacers to fix the main body of the unloading platform; this improves upon the cumbersome disassembly work in the prior art, and the device can be repeatedly disassembled and reused, which helps reduce construction costs.

[0014] Secondly, this invention, during the fixing process, first rotates the adjustment knob to rotate the double threaded screw. At this time, the two adjustable clamping plates will move towards each other. When they reach the corresponding position, rotate the side fixing screw. The side fixing screw will move the side clamping blocks towards the unloading platform body. Finally, the two side clamping blocks clamp the two sides of the unloading platform body tightly. Then, rotate the top fixing screw so that the top pressure plate fixes the top of the unloading platform body from above, thus completing the overall fixing. Not only can the platform fixing work be completed without rigid connection, but it can also be adjusted and adapted within a certain range according to the actual needs of the platform used, making it more practical. In addition, this device can still be disassembled and reused, achieving the effect of cost reduction and efficiency improvement.

[0015] Thirdly, this invention, through the addition of an expansion fixing rod and other structures at the end of the platform, allows for fixing by rotating the drive ring. Under the action of the thread, the drive ring causes the position of the expansion ring to change up and down. During the movement of the expansion ring, the expansion fixing rod will deflect. When it expands to the position of the pre-embedded sealing sleeve, the fixing bolts, gaskets, and fixing nuts can be fixed, which can greatly increase the connection stability of the platform body and enhance the safety of this device.

[0016] This solves the problems of existing fixing methods that only use U-shaped steel bar rings, which are not economical, not environmentally friendly, difficult to remove, and cannot be recycled after removal, resulting in resource waste. Attached Figure Description

[0017] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0018] Figure 1 This is a schematic diagram of the main view structure provided in Embodiment 1 of the present invention;

[0019] Figure 2 This is a schematic diagram of the main view (sectional view) structure provided in Embodiment 1 of the present invention;

[0020] Figure 3 This is a schematic diagram of the main view structure provided in Embodiment 2 of the present invention;

[0021] Figure 4 This is a cross-sectional structural diagram provided in Embodiment 2 of the present invention;

[0022] Figure 5 This is a schematic diagram of the main view structure provided in Embodiment 3 of the present invention;

[0023] Figure 6 This is a cross-sectional structural diagram provided in Embodiment 3 of the present invention.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Embedded sealing sleeve; 2. Main body of unloading platform; 3. Fixing bolts; 4. Fixing plate; 5. Gasket; 6. Fixing nut; 7. Wooden block; 8. Fixing cover plate; 9. Auxiliary fixing block; 10. Light column; 11. Two-way threaded screw; 12. Adjusting knob; 13. Adjustable clamping plate; 14. Side stabilizing column; 15. Side clamping block; 16. Side fixing screw; 17. Top stabilizing column; 18. Top pressure plate; 19. Top fixing screw; 20. Expansion fixing platform; 21. Expansion screw; 22. Stop plate; 23. Drive ring; 24. Expansion ring; 25. Bottom support rod; 26. Expansion fixing rod. Detailed Implementation

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

[0027] This invention provides an improved detachable unloading platform fixing device. The technical solution of this invention is as follows: Example 1

[0028] like Figure 1 and Figure 2 As shown, a detachable unloading platform fixing device includes a pre-embedded sealing sleeve 1 embedded in a concrete slab and an unloading platform body 2. A fixing bolt 3 is installed inside the pre-embedded sealing sleeve 1. The pre-embedded sealing sleeve 1 is made of PVC material and is compatible with the fixing bolt 3. It can be inserted and fixed during the concrete pouring stage. When it is necessary to fix the unloading platform body 2, the fixing bolt 3 is screwed in. A fixing plate 4 is provided at the top of the fixing bolt 3. The fixing plate 4 and the fixing bolts 3 on both sides form a structure similar to a U-shaped steel bar pull ring, facilitating the fixing of the unloading platform body. At the end, a shim 5 is provided on the fixing plate 4. The shim 5 is made of steel plate and has holes drilled in the corresponding positions so that the top of the fixing bolt 3 can pass through and at the same time play a reinforcing role. A fixing nut 6 is screwed on the fixing bolt 3. The shim 5 is located between the fixing plate 4 and the fixing nut 6. A wooden block 7 is provided between the fixing plate 4 and the unloading platform body 2. In order to strengthen the fixing effect, wooden blocks are inserted on both sides (between the fixing bolts 3 on both sides) and the top (between the fixing plate 4) of the unloading platform body 2 so that the two cannot move relative to each other and strengthen the fixing. Example 2

[0029] In this embodiment, the fixing bolt 3 mentioned is also fixed with the pre-embedded sealing sleeve 1. In this embodiment, the fixing method of fixing bolt 3 and fixing cover plate 8 is the same as in embodiment one. In order to strengthen the fixing, fixing plate 4 is replaced with fixing cover plate 8, and a series of components for fixing are added.

[0030] like Figure 3 and Figure 4As shown, a fixing cover plate 8 is provided on the fixing bolt 3. The fixing cover plate 8 has a threaded hole that matches the fixing bolt 3. The fixing cover plate 8 is actually screwed to the fixing bolt 3. In use, the fixing bolt 3 needs to be passed through before the fixing nut 6 and washer 5 are installed and fixed. There are two auxiliary fixing blocks 9 on the fixing cover plate 8, which are distributed on both sides of the fixing cover plate 8. A light column 10 is fixedly connected to the inner wall of the auxiliary fixing block 9. The two ends of the light column 10 are fixedly connected to the two auxiliary fixing blocks 9 on their respective adjacent sides. A bidirectional threaded screw 11 is rotatably connected to the inner wall of the auxiliary fixing block 9. The two ends of the bidirectional threaded screw 11 are rotatably connected to the two auxiliary fixing blocks 9 on their respective adjacent sides. An adjustment knob 12 is rotatably connected to one side of the auxiliary fixing block 9. The adjustment knob 12 is located on the outside of the auxiliary fixing plate 4. The adjustment knob 12 is coaxially fixed with the bidirectional threaded screw 11.

[0031] An adjustable clamping plate 13 is provided on the fixed cover plate 8. A slot is provided on the cover plate at a corresponding position. The top of the adjustable clamping plate 13 is located in the slot and is slidably connected to the inner wall of the slot. A sliding hole adapted to the light column 10 is provided on the top of the adjustable clamping plate 13. The top of the adjustable clamping plate 13 is slidably connected to the light column 10. A threaded hole adapted to the bidirectional threaded screw 11 is provided on the top of the adjustable clamping plate 13. The top of the adjustable clamping plate 13 is screwed to the bidirectional threaded screw 11.

[0032] A side stabilizing post 14 is slidably connected to one side of the adjustable clamping plate 13. A sliding hole adapted to the side stabilizing post is opened on one side of the adjustable clamping plate 13. A side clamping block 15 is fixedly connected to one end of the side stabilizing post 14. The side clamping block 15 is located at the lower end of the height relative to the fixed cover plate 8, with a small distance from the ground. A side fixing screw 16 is rotatably connected to one side of the side clamping block 15. There are two side stabilizing posts 14, which are distributed on both sides of the side fixing screw 16. The side fixing screw 16 is screwed to the adjustable clamping plate 13. The side fixing screw 16 and the adjustable clamping plate 13 are detachably rotatably connected. The two can be separated for easy disassembly. Specifically, the adjustable clamping plate 13 is provided with a circular groove adapted to the diameter of the side fixing screw 16 at the corresponding position. The side fixing screw 16 can rotate in the circular groove or be detached from it.

[0033] The top of the fixed cover plate 8 is slidably connected to a top stabilizing column 17. The top of the fixed cover plate 8 has a hole that matches the top stabilizing column 17. The bottom of the top stabilizing column 17 is fixedly connected to a top pressure plate 18. The width of the top pressure plate 18 is wider than the width of the base of the unloading platform body 2. The upper surface of the top pressure plate 18 is rotatably connected to a top fixing screw 19. There are two top stabilizing columns 17, which are evenly distributed on both sides of the top fixing screw 19. Example 3

[0034] In this embodiment, if conditions permit, it can be used simultaneously with either Embodiment 1 or Embodiment 2. Similarly, in this embodiment, the fixing between the fixing bolt 3 and the fixing nut 6 is achieved by relying on the pre-embedded sealing sleeve 1.

[0035] like Figure 5 and Figure 6 As shown, an expansion fixing platform 20 is fixedly connected to the end of the unloading platform body 2. The expansion fixing platform 20 is bolted to the end of the unloading platform body 2 and can be disassembled when this embodiment is not needed. An expansion screw 21 is fixedly connected to the upper surface of the expansion fixing platform 20. A stop plate 22 is provided at the top of the expansion screw 21. The stop plate 22 is to prevent the drive ring 23 from disengaging. The drive ring 23 is threadedly connected to the surface of the expansion screw 21. An expansion ring 24 is rotatably connected to the lower surface of the drive ring 23. The drive ring 23 and the expansion ring 24 are rotatably connected by a circular sliding groove.

[0036] The surface of the expansion fixing platform 20 is rotatably connected to the bottom support rod 25. The surface of the expansion fixing platform 20 is provided with several rotating grooves for the rotation of the bottom support rod 25. The surface of the expansion ring 24 is rotatably connected to the expansion fixing rod 26. The surface of the expansion ring 24 is provided with a corresponding number of empty grooves for the rotation of the expansion fixing rod 26. A rotating seat is provided on the side of the expansion fixing rod 26 near the bottom support rod 25. The expansion fixing rod 26 is rotatably connected to the bottom support rod 25. The expansion fixing rod 26 rotates with the bottom support rod 25 through the rotating seat. The bottom end of the expansion fixing rod 26 is provided with a fixing hole that matches the fixing bolt 3.

[0037] The specific working method is as follows: When the detachable unloading platform fixing device is used, first install the pre-embedded sealing sleeve 1. After it is installed in place, pour concrete. After the concrete solidifies, screw in the fixing bolt 3. Then, install the fixing plate 4, the gasket 5, and the fixing nut 6 one by one. After placing the unloading platform body 2 under the fixing plate 4, select a suitable square timber and insert it into the gap to strengthen the fixation. When using the corresponding structure in Embodiment 2, the pre-embedded sealing sleeve 1 is still fixed by first using the concrete pouring and solidification. At this time, first connect the fixing bolt 3 to the fixing cover plate 8, and then screw in the pre-embedded sealing sleeve 1. Screw it in gradually until the adjustable clamping plate 13 contacts the ground and does not hinder movement. Then fix the fixing nut 6 and the gasket 5. When installing the unloading platform body 2, first turn the adjusting knob 12 to turn the double threaded screw. At this time, the two adjustable clamping plates 13 will move towards each other. When the device moves in the direction of proximity and reaches the corresponding position, the side fixing screw 16 is rotated. The side fixing screw 16 will move with the side clamping block 15 towards the unloading platform body 2. Finally, the two sides of the unloading platform body 2 are clamped tightly by the side clamping blocks 15. Then, the top fixing screw 19 is rotated so that the top pressure plate 18 fixes the top of the unloading platform body 2 from above, thus completing the overall fixation. When using embodiment three for fixation, the opening of several expansion fixing rods 26 and the position of the fixing bolt 3 are confirmed in advance. The pre-embedded sealing sleeve 1 is still used for fixation. Specifically, the drive ring 23 is rotated. Under the action of the thread, the drive ring 23 will cause the position of the expansion ring 24 to change up and down. During the movement of the expansion ring 24, the expansion fixing rod 26 will be deflected. When it expands to the position of the pre-embedded sealing sleeve 1, the fixing bolt 3, washer 5 and fixing nut 6 can be fixed.

[0038] The technical means disclosed in this invention are not limited to those described above, but also include technical solutions composed of equivalent substitutions of the above technical features. Matters not covered in this invention are common knowledge to those skilled in the art.

Claims

1. A detachable unloading platform fixing device, comprising a pre-embedded sealing sleeve (1) embedded in a concrete slab and an unloading platform body (2), characterized in that: The pre-embedded sealing sleeve (1) is provided with a fixing bolt (3), the top of the fixing bolt (3) is provided with a fixing plate (4), the fixing plate (4) is provided with a washer (5), the fixing bolt (3) is screwed with a fixing nut (6), the washer (5) is located between the fixing plate (4) and the fixing nut (6), and a wooden block (7) is provided between the fixing plate (4) and the unloading platform body (2). An expansion fixing platform (20) is fixedly connected to the end of the unloading platform body (2). An expansion screw (21) is fixedly connected to the upper surface of the expansion fixing platform (20). A stop plate (22) is provided at the top of the expansion screw (21). A drive ring (23) is threadedly connected to the surface of the expansion screw (21). An expansion ring (24) is rotatably connected to the lower surface of the drive ring (23). The surface of the expansion fixing platform (20) is rotatably connected to a bottom support rod (25), and the surface of the expansion ring (24) is rotatably connected to an expansion fixing rod (26). The bottom end of the expansion fixing rod (26) is provided with a fixing hole that matches the fixing bolt (3). The expansion fixing rod (26) is rotatably connected to the bottom support rod (25). During the movement of the expansion ring (24), the expansion fixing rod (26) will deflect. When it expands to the position of the pre-embedded sealing sleeve (1), the fixing bolt (3), gasket (5) and fixing nut (6) can be fixed.

2. The detachable unloading platform fixing device according to claim 1, characterized in that: Replace the fixing plate (4) with the fixing cover plate (8). The fixing bolt (3) is provided with the fixing cover plate (8). The fixing cover plate (8) is provided with the auxiliary fixing block (9). The inner wall of the auxiliary fixing block (9) is fixedly connected with the light column (10). The inner wall of the auxiliary fixing block (9) is rotatably connected with the bidirectional threaded screw (11). One side of the auxiliary fixing block (9) is rotatably connected with the adjusting knob (12). The adjusting knob (12) is coaxially fixed with the bidirectional threaded screw (11).

3. The detachable unloading platform fixing device according to claim 2, characterized in that: An adjustable clamping plate (13) is provided on the fixed cover plate (8). The top end of the adjustable clamping plate (13) is slidably connected to the light column (10), and the top end of the adjustable clamping plate (13) is screwed to the bidirectional threaded screw (11).

4. The detachable unloading platform fixing device according to claim 3, characterized in that: A side stabilizing post (14) is slidably connected to one side of the adjustable clamping plate (13), and a side clamping block (15) is fixedly connected to one end of the side stabilizing post (14). A side fixing screw (16) is rotatably connected to one side of the side clamping block (15), and the side fixing screw (16) is screwed to the adjustable clamping plate (13).

5. The detachable unloading platform fixing device according to claim 4, characterized in that: The top of the fixed cover plate (8) is slidably connected to a top stabilizing column (17), the bottom of the top stabilizing column (17) is fixedly connected to a top pressure plate (18), and the upper surface of the top pressure plate (18) is rotatably connected to a top fixing screw (19).

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