Anti-fall bracket for bridge construction

Abstract

The utility model discloses an anti-falling bracket for bridge construction, which belongs to the field of brackets and comprises a bottom frame, a top plate movably mounted on the bottom frame of the anti-falling bracket for bridge construction, the bottom frame and the top plate of the anti-falling bracket for bridge construction are movably mounted through a hydraulic cylinder, a guardrail is fixedly connected to the top plate of the anti-falling bracket for bridge construction, and an anti-falling component is movably mounted on the guardrail and the bottom frame of the anti-falling bracket for bridge construction. Through the anti-falling component, the distance between a cover and the guardrail is movably adjusted to make the distance narrow, which is only suitable for workers to operate tools with both hands to enter and exit. When the head of the worker protrudes outward, it will be blocked by the cover to prevent the upper body from protruding out too much and causing the person to fall. An elastic air bag is used to remind and block outsiders to prevent the person from entering the vicinity of the bracket and being hit by falling objects from high altitude, and the elastic air bag is used to buffer and collect the fallen tools, so that the tools are collected again and sent to the guardrail to continue working.

Description

Technical Field

[0001] The utility model relates to the field of brackets, in particular to an anti-falling bracket for bridge construction. Background Art

[0002] Bridges generally refer to structures built across rivers, lakes, and seas to allow vehicles and pedestrians to pass smoothly. In order to adapt to the modern high-speed development of the transportation industry, bridges are also extended to buildings that cross mountain streams, poor geology, or meet other transportation needs to make passage more convenient. During the construction of a bridge, workers are raised to a higher height through brackets to facilitate contact with the bridge for construction;

[0003] In the prior art, a Chinese utility model patent with the public document number: CN215629460U discloses a high-altitude fall prevention device for bridge construction. The document provides protection for construction workers through the side enclosure assembly when they stand on the load-bearing platform, by setting side enclosure assemblies, anti-fall door panels and anti-fall nets. However, the main reason for workers falling when standing on the platform is that the upper body of the body protrudes too much out of the enclosure, causing gravity imbalance. The solution cannot prevent the workers from leaning out, and the workers are still at risk of falling. The falling phenomenon of the construction platform is mainly divided into personnel falling and tool falling. Tools fall onto the anti-fall net. Since the anti-fall net is located at a high place, it is not easy for workers on the platform to contact the drop net, and it is also not easy for workers on the ground to contact the anti-drop net, making it difficult to collect tools, so it needs to be improved. Utility Model Content

[0004] The main purpose of the utility model is to provide an anti-falling bracket for bridge construction, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The anti-falling bracket for bridge construction comprises a base frame, a top plate movably mounted on the base frame, the base frame and the top plate movably mounted by a hydraulic cylinder, a guardrail is fixedly connected to the top plate, an anti-falling component is movably mounted on the guardrail and the base frame, and the anti-falling component comprises a cover, a cover plate, a movable rod, a support rod, a bearing, a sliding rod, a rotating block, a screw, an elastic airbag and an air pump, the cover is movably connected to the upper position of the guardrail, the cover plate is fixedly connected to the top position of the cover, a support column is fixedly connected to the guardrail, the movable rod is fixedly connected to the guardrail, the movable rod is movably mounted to the support column, the support rod is fixedly connected to the center position of the top plate, the bearing is movably mounted on the support rod, the two ends of the sliding rod are respectively fixedly connected to the rotating block and the bearing, the screw is movably mounted in the rotating block, the elastic airbag is located at the side position of the base frame, and the air pump is fixedly connected to the base frame.

[0007] Preferably, the anti-drop component includes a movable hole, a movable groove and a No. 1 limiting block, the movable hole and the movable groove are opened on the supporting column, and the movable hole and the movable groove are connected to each other, the No. 1 limiting block is fixedly connected to the lower end position of the movable rod, the movable rod is movably installed in the movable hole, and the No. 1 limiting block is movably installed in the movable groove.

[0008] Preferably, the anti-drop assembly includes an observation port and a No. 2 limiting block, the observation port is opened at the side position of the cover, the No. 2 limiting block is fixedly connected to the lower end position of the screw, the upper end of the screw is fixedly connected to the cover plate, and a screw hole is provided on the rotating block corresponding to the screw position.

[0009] Preferably, the anti-drop assembly also includes an insertion rod, a sliding sleeve, a blocking block and an insertion sleeve, the insertion sleeve is fixedly connected to the top plate and is located outside the bearing, the insertion rod is movably installed above the insertion sleeve, the sliding sleeve is fixedly connected to the side position of the insertion rod, the blocking block is located above the insertion rod, the blocking block is fixedly connected to the sliding rod at the side position, and the insertion rod is movably installed with the sliding rod at the side position via the sliding sleeve.

[0010] Preferably, the anti-drop assembly further includes a connecting rope and an air nozzle tube, the base frame is movably connected to the elastic airbag via the connecting rope, the air nozzle tube is fixedly connected to the elastic airbag, and the air nozzle tube is movably fitted to the air outlet of the air pump.

[0011] Preferably, a universal wheel is movably mounted on the bottom surface of the base frame, an inlet and outlet are arranged on the side of the guardrail, a cross bar is rotatably connected to the guardrail on one side located at the inlet and outlet, and a fulcrum is fixedly connected to the guardrail on the other side located at the inlet and outlet.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the utility model, the distance between the cover and the guardrail is flexibly adjusted by setting the anti-fall component, so that the distance between the guardrail and the cover is narrow, which is only suitable for the worker's two hands to operate the tool to enter and exit. When the worker's head is extended outward, it will be blocked by the cover, so as to prevent the upper body from extending outward too much and causing the person to fall.

[0014] In the utility model, an anti-fall component is set up, and an elastic air bag is provided on the side position of the base frame. The elastic air bag acts as a fence on one side to prevent outsiders from walking near the bracket and being hit by falling objects from high altitude, and acts as a receiving device on the other side to buffer and collect falling objects from high altitude, making it convenient for ground workers to collect tools, and then send the tools to the top plate through external tools, making it convenient for the workers inside to operate the tools to continue construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the elastic airbag of the utility model;

[0017] Figure 3 It is a schematic diagram of the structure of the guardrail and cover of the utility model;

[0018] Figure 4 It is a schematic diagram of the disassembled structure of the guardrail and the cover of the utility model;

[0019] Figure 5 The utility model is a schematic diagram of the connection structure of the screw and the rotating block.

[0020] In the figure: 1. chassis; 2. hydraulic cylinder; 3. top plate; 4. guardrail; 5. anti-drop assembly; 501. movable hole; 502. movable groove; 503. cover; 504. observation port; 505. cover plate; 506. movable rod; 507. No. 1 limit block; 508. support rod; 509. bearing; 510. slide rod; 511. rotating block; 512. screw rod; 513. No. 2 limit block; 514. plug rod; 515. slide sleeve; 516. clamping block; 517. plug sleeve; 518. elastic airbag; 519. connecting rope; 520. air nozzle tube; 521. air pump; 6. support column; 7. universal wheel; 8. inlet and outlet; 9. cross bar; 10. fulcrum. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 1 and Figure 3 As shown, the anti-falling bracket for bridge construction includes a base frame 1, a top plate 3 is movably installed on the base frame 1, the base frame 1 and the top plate 3 are movably installed by a hydraulic cylinder 2, a guardrail 4 is fixedly connected to the top plate 3, a universal wheel 7 is movably installed on the bottom surface of the base frame 1, an inlet and outlet 8 are provided on the side of the guardrail 4, a cross bar 9 is rotatably connected to the guardrail 4 on one side of the inlet and outlet 8, and a fulcrum 10 is fixedly connected to the guardrail 4 on the other side of the inlet and outlet 8. The universal wheel 7 facilitates the movement of the bracket, and the cross bar 9 rotates to the side so that the cross bar 9 is stuck on the fulcrum 10, forming an interception at the position of the inlet and outlet 8 to prevent people from falling from the position of the inlet and outlet 8, and the cross bar 9 is easy to operate and simple to use.

[0023] like Figure 1 , Figure 3 and Figure 4As shown, an anti-drop component 5 is movably installed on the guardrail 4 and the base frame 1, and the anti-drop component 5 includes a cover 503, a cover plate 505, a movable rod 506, a support rod 508, a bearing 509, a slide bar 510, a rotating block 511, a screw 512, an elastic airbag 518 and an air pump 521. The cover 503 is movably connected to the upper position of the guardrail 4, and the cover plate 505 is fixedly connected to the top position of the cover 503. A support column 6 is fixedly connected to the guardrail 4, and the movable rod 506 is fixedly connected to the guardrail 4. The movable rod 506 is movably installed with the support column 6. The anti-drop component 5 includes a movable hole 501, a movable groove 502 and a No. 1 limiting block 507. The movable hole 501 and the movable groove 502 are opened. On the support column 6, the movable hole 501 and the movable groove 502 are interconnected, and the No. 1 limiting block 507 is fixedly connected to the lower end position of the movable rod 506. The movable rod 506 is movably installed in the movable hole 501, and the No. 1 limiting block 507 is movably installed in the movable groove 502. The cover 503 adopts a transparent plastic structure, which is combined with the dense observation ports 504 thereon, so that the staff can observe the external buildings through the cover 503 conveniently. The lower end of the cover 503 should not be lower than the neck position of the staff, so that when the staff moves outward, the cover 503 is convenient for blocking the head and neck of the staff to prevent the staff from falling. The No. 1 limiting block 507 is used to limit the detachment of the movable rod 506.

[0024] like Figure 1 , Figure 4 and Figure 5As shown, the support rod 508 is fixedly connected to the center position of the top plate 3, the bearing 509 is movably installed on the support rod 508, the two ends of the sliding rod 510 are respectively fixedly connected to the rotating block 511 and the bearing 509, the screw 512 is movably installed in the rotating block 511, the anti-drop component 5 includes an observation port 504 and a second limiting block 513, the observation port 504 is opened at the side position of the cover 503, the second limiting block 513 is fixedly connected to the lower end position of the screw 512, the upper end of the screw 512 is fixedly connected to the cover plate 505, and a screw hole is provided on the rotating block 511 corresponding to the position of the screw 512. The anti-drop component 5 also includes an insertion rod 514, a sliding sleeve 515, a block 516 and a sleeve 517, and the sleeve 517 is fixedly connected to the top plate 3 and is located at the outer side of the bearing 509. The insert rod 514 is movably installed at the upper position of the sleeve 517, the sliding sleeve 515 is fixedly connected to the side position of the insert rod 514, the block 516 is located at the upper position of the insert rod 514, the block 516 is fixedly connected to the slide rod 510 at the side position, the insert rod 514 is movably installed with the slide rod 510 at the side position through the sliding sleeve 515, the slide rod 510 and the bearing 509 and the rotating block 511 form a whole, and this whole is rotatable. Through the rotation of the rotating block 511, the screw rod 512 is affected, so that the cover 503 can move upward or downward, and the insert rod 514 is inserted downward into the sleeve 517, thereby fixing the connected slide rods 510, and by fixing a certain slide rod 510, multiple slide rods 510 and the bearing 509 and the rotating block 511 are fixed as a whole.

[0025] like Figure 1 and Figure 2 As shown, the elastic airbag 518 is located at the side of the base frame 1, the air pump 521 is fixedly connected to the base frame 1, and the anti-fall component 5 also includes a connecting rope 519 and an air nozzle tube 520. The base frame 1 is movably connected to the elastic airbag 518 through the connecting rope 519, the air nozzle tube 520 is fixedly connected to the elastic airbag 518, and the air nozzle tube 520 is movably fitted with the air outlet of the air pump 521. The elastic airbag 518 forms a fence structure on one side to warn pedestrians around the base frame 1 to prevent pedestrians from walking into the area and being hit by falling objects from high altitude. On the other side, it acts as a buffer pad to facilitate the collection of tools and can buffer part of the impact force of the tools through deformation to avoid damage to the tools.

[0026] It should be noted that the utility model is a bracket for anti-falling bridge construction, and the bracket is moved by the universal wheel 7. When the bracket moves to a suitable position, the brake pad of the universal wheel 7 is braked, and the hydraulic cylinder 2 is started, so that the top plate 3 and other structures move upward, and the elastic airbag 518 is removed from the base frame 1 and placed on the outer side of the base frame 1. The elastic airbag 518 is mutually fitted with the air outlet of the air pump 521 through the air nozzle tube 520, so that the air pump 521 and the elastic airbag 518 are connected to each other, and the air pump 521 is started to fill the elastic airbag 518 with gas. The elastic airbag 518 is inflated and deployed around the base frame 1. The elastic airbag 518 is provided with a reflective strip and a warning word, which acts as a fence to warn outsiders to enter the enclosure and prevent outsiders from being hit by falling objects. The air nozzle tube 520 is removed from the air pump 521 and manually fastened to prevent the gas from moving out of the elastic airbag 518. The staff is located on the top plate 3 and on the inner side of the guardrail 4. The insertion rod 514 is removed from the insertion sleeve 517 and slides upward through the sliding sleeve 515. The insertion rod 514 is inserted upward into the block 516 and rotated. The rod 514 is inserted to make the slide bar 510 fixedly connected to the block 516 rotate synchronously, and the slide bar 510 drives the bearing 509 at the bottom and the rotating block 511 at the top to rotate synchronously, and the screw 512 is rotated by the screw hole at the center of the rotating block 511, so that the screw 512 moves upward or downward to adjust the height of the cover 503, so that the height distance between the cover 503 and the guardrail 4 is relatively narrow, which is only suitable for the staff to operate the tool in and out. When the staff's head is extended outward, it will be blocked by the cover 503, thereby preventing the staff from extending outward too much. The tool is pulled out of the way and falls due to gravity imbalance. After the rod 514 is rotated to a suitable position, the rod 514 is inserted downward so that the rod 514 is inserted into the sleeve 517, thereby fixing the slide bar 510, the rotating block 511 and other structures. After the tool operated by the staff falls, it enters the elastic airbag 518 below. The elastic airbag 518 alleviates part of the impact force of the tool through deformation, better protects the tool and avoids damage. The tool is located in the elastic airbag 518, which is convenient for the staff on the ground to collect the tool and send it into the guardrail 4 through an external tool for reuse.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. It is only a preferred embodiment of the utility model, and its description is more specific and detailed, but it cannot be understood as limiting the scope of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The embodiments can be changed, modified, replaced and deformed without departing from the principle and purpose of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A bracket for anti-falling bridge construction, comprising a base frame (1), a top plate (3) movably mounted on the base frame (1), the base frame (1) and the top plate (3) being movably mounted via a hydraulic cylinder (2), a guardrail (4) being fixedly connected to the top plate (3), characterized in that: An anti-drop component (5) is movably installed on the guardrail (4) and the base frame (1), and the anti-drop component (5) comprises a cover (503), a cover plate (505), a movable rod (506), a support rod (508), a bearing (509), a sliding rod (510), a rotating block (511), a screw (512), an elastic airbag (518) and an air pump (521). The cover (503) is movably connected to the upper position of the guardrail (4), the cover plate (505) is fixedly connected to the top position of the cover (503), and the guardrail (4) is fixedly connected to a support column (6). The movable rod (506) is fixedly connected to the guardrail (4), the movable rod (506) is movably installed on the support column (6), the support rod (508) is fixedly connected to the center position of the top plate (3), the bearing (509) is movably installed on the support rod (508), the two ends of the sliding rod (510) are respectively fixedly connected to the rotating block (511) and the bearing (509), the screw rod (512) is movably installed in the rotating block (511), the elastic airbag (518) is located at the side position of the base frame (1), and the air pump (521) is fixedly connected to the base frame (1).

2. The anti-falling bracket for bridge construction according to claim 1 is characterized in that: The anti-drop assembly (5) comprises a movable hole (501), a movable groove (502) and a first limiting block (507); the movable hole (501) and the movable groove (502) are arranged on the support column (6); the movable hole (501) and the movable groove (502) are interconnected; the first limiting block (507) is fixedly connected to the lower end of the movable rod (506); the movable rod (506) is movably installed in the movable hole (501); and the first limiting block (507) is movably installed in the movable groove (502).

3. The anti-falling bracket for bridge construction according to claim 2 is characterized in that: The anti-drop assembly (5) comprises an observation port (504) and a second limiting block (513); the observation port (504) is provided at a side position of the cover (503); the second limiting block (513) is fixedly connected to the lower end position of the screw rod (512); the upper end of the screw rod (512) is fixedly connected to the cover plate (505); and a screw hole is provided on the rotating block (511) at a position corresponding to the screw rod (512).

4. The anti-falling bracket for bridge construction according to claim 3 is characterized in that: The anti-drop assembly (5) further comprises an insert rod (514), a sliding sleeve (515), a clamping block (516) and an insert sleeve (517); the insert sleeve (517) is fixedly connected to the top plate (3) and is located outside the bearing (509); the insert rod (514) is movably mounted above the insert sleeve (517); the sliding sleeve (515) is fixedly connected to the side position of the insert rod (514); the clamping block (516) is located above the insert rod (514); the clamping block (516) is fixedly connected to the sliding rod (510) at the side position; the insert rod (514) is movably mounted to the sliding rod (510) at the side position via the sliding sleeve (515).

5. The anti-falling bracket for bridge construction according to claim 4 is characterized in that: The anti-drop assembly (5) further comprises a connecting rope (519) and an air nozzle tube (520); the base frame (1) is movably connected to the elastic air bag (518) via the connecting rope (519); the air nozzle tube (520) is fixedly connected to the elastic air bag (518), and the air nozzle tube (520) is movably mounted on the air outlet of the air pump (521).

6. The anti-falling bracket for bridge construction according to claim 5, characterized in that: A universal wheel (7) is movably mounted on the bottom surface of the base frame (1); an inlet and outlet (8) is provided on the side of the guardrail (4); a crossbar (9) is rotatably connected to the guardrail (4) on one side of the inlet and outlet (8); and a fulcrum (10) is fixedly connected to the guardrail (4) on the other side of the inlet and outlet (8).

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