Anti-falling device for bridge construction

Abstract

The utility model relates to the technical field of bridge construction, in particular to a bridge construction anti-falling device which comprises a U-shaped mounting frame, two first lead screws distributed front and back are movably connected to the interior of the mounting frame through bearings, clamping plates are in threaded connection with the outer walls of the two first lead screws, and a supporting plate is fixedly connected to the left end face of the mounting frame. A first motor is installed on the lower end face of the supporting plate, the output end of the first motor penetrates through the supporting plate and is fixedly connected with a U-shaped support, a second lead screw is movably connected to the interior of the support through a bearing, the outer wall of the second lead screw is in threaded connection with a rectangular plate, and the first motor, the support, the second lead screw, a third motor and the rectangular plate are matched. The height of the protective fence is adjusted to the position above a bridge, then the support is rotated by 180 degrees, the protective fence is rotated to the upper end of the bridge, objects in the protective fence are taken out manually, and the purposes that the objects in the protective fence are taken out conveniently, and use is convenient are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to a bridge construction anti-fall device. 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. When bridges are being built, some objects often fall from them. In order to prevent accidents, guardrails are installed on the outside of the bridge.

[0003] The Chinese patent publication has a patent number of CN 213233143 U for a bridge construction anti-fall device. The mounting frame is installed on the bridge by bolts. When the location needs to be changed, the disassembly and installation are time-consuming. When there are objects falling inside the guardrail, it is inconvenient to take out the objects inside the guardrail, which is inconvenient to use. Therefore, a bridge construction anti-fall device is proposed. Utility Model Content

[0004] The utility model aims to provide a bridge construction anti-fall device, which has the characteristics of convenient disassembly of the guardrail and quick installation at a replacement location and convenient removal of objects inside the guardrail, and is easy to use.

[0005] The utility model aims to provide a bridge construction anti-fall device, comprising a "U"-shaped mounting frame, the interior of the mounting frame is movably connected with two first screw rods distributed front and back through bearings, the outer walls of the two first screw rods are threadedly connected with clamping plates, the left end face of the mounting frame is fixedly connected with a support plate, the lower end face of the support plate is installed with a first motor, the output end of the first motor passes through the support plate and is fixedly connected with a "U"-shaped bracket, the interior of the bracket is movably connected with a second screw rod through a bearing, the outer wall of the second screw rod is threadedly connected with a rectangular plate, and the left end face of the rectangular plate is fixedly connected with a guardrail.

[0006] In order to facilitate the driving of the first screw rod to rotate, as a preferred bridge construction anti-fall device of the utility model, two second motors distributed front and back are installed on the upper end face of the mounting frame, and the output ends of the second motors both pass through the mounting frame and are fixedly connected to the two first screw rods respectively.

[0007] In order to facilitate driving the second screw rod to rotate, as a preferred bridge construction anti-fall device of the utility model, a third motor is installed on the upper end surface of the bracket, and the output end of the third motor passes through the bracket and is fixedly connected to the second screw rod.

[0008] In order to prevent the clamping plates from axially rotating, as a preferred anti-fall device for bridge construction of the utility model, the left end faces of the two clamping plates are fixedly connected with a first slider, and the two first sliders are slidably connected to the mounting frame through a slide groove.

[0009] In order to prevent the rectangular plate from axially rotating, as a preferred anti-fall device for bridge construction of the utility model, the right end face of the rectangular plate is fixedly connected with a second slider, and the second slider is slidably connected to the bracket through a sliding groove.

[0010] In order to facilitate the control of the operation of multiple motors, as a preferred anti-fall device for bridge construction of the utility model, a controller is installed on the right end face of the mounting frame.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model clamps the bridge between the two clamping plates and the U-shaped frame through the cooperation of the second motor, the first screw rod, the mounting frame and the clamping plate, so as to facilitate the removal of the guardrail and the quick installation in a replacement place.

[0013] Through the cooperation of the first motor, the bracket, the second screw rod, the third motor and the rectangular plate, the height of the guardrail is first adjusted to above the bridge, and then the bracket is rotated 180 degrees to rotate the guardrail to the upper end of the bridge. Objects inside the guardrail are taken out manually, thereby facilitating the removal of objects inside the guardrail and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the overall structure diagram of the utility model;

[0015] Figure 2 This is a structural diagram of the mounting frame of the utility model;

[0016] Figure 3 This is a structural diagram of the support of the present utility model.

[0017] In the figure: 1. guardrail; 2. mounting frame; 3. support plate; 4. rectangular plate; 5. bracket; 6. third motor; 7. controller; 8. clamping plate; 9. second screw rod; 10. first screw rod; 11. second motor; 12. first slider; 13. second slider; 14. first motor. DETAILED DESCRIPTION

[0018] See also Figures 1 to 3A bridge construction anti-fall device includes a "U"-shaped mounting frame 2, the interior of the mounting frame 2 is movably connected with two first screw rods 10 distributed front and back through bearings, the outer walls of the two first screw rods 10 are threadedly connected with clamping plates 8, the left end face of the mounting frame 2 is fixedly connected with a support plate 3, the lower end face of the support plate 3 is installed with a first motor 14, the output end of the first motor 14 passes through the support plate 3 and is fixedly connected with a "U"-shaped bracket 5, the interior of the bracket 5 is movably connected with a second screw rod 9 through a bearing, the outer wall of the second screw rod 9 is threadedly connected with a rectangular plate 4, and the left end face of the rectangular plate 4 is fixedly connected with a guardrail 1.

[0019] In this embodiment: when the mounting frame 2 and the guardrail 1 need to be installed on the bridge, the mounting frame 2 is placed on the side of the bridge, and then the two second motors 11 are started to drive the two first screw rods 10 to rotate. When the two first screw rods 10 rotate, they drive the two clamping plates 8 to move upward, thereby clamping the bridge between the clamping plates 8 and the mounting frame 2;

[0020] When an object falls inside the guardrail 1, the third motor 6 is first started to drive the second screw 9 to rotate, thereby driving the rectangular plate 4 and the guardrail 1 to move upward to the top of the bridge side, and then the first motor 14 is started to drive the bracket 5 to rotate. When the bracket 5 rotates, the guardrail 1 can be rotated 180 degrees, so that the guardrail 1 is moved to the top of the bridge, thereby facilitating the removal of the object inside the guardrail 1.

[0021] As a technical optimization solution of the utility model, two second motors 11 distributed front and back are installed on the upper end surface of the mounting frame 2, and the output ends of the second motors 11 both penetrate the mounting frame 2 and are fixedly connected to the two first screw rods 10 respectively.

[0022] In this embodiment, the two second motors 11 can respectively drive the two first screw rods 10 to rotate.

[0023] As a technical optimization solution of the utility model, a third motor 6 is installed on the upper end surface of the bracket 5 , and the output end of the third motor 6 passes through the bracket 5 and is fixedly connected to the second screw rod 9 .

[0024] In this embodiment: the second screw rod 9 can be driven to rotate by the third motor 6 .

[0025] As a technical optimization solution of the utility model, the left end surfaces of the two clamping plates 8 are fixedly connected with the first sliding blocks 12, and the two first sliding blocks 12 are slidably connected to the mounting frame 2 through sliding grooves.

[0026] In this embodiment, the two first sliding blocks 12 are slidably connected to the mounting frame 2 through the sliding grooves, so that the two clamping plates 8 can be prevented from axially rotating.

[0027] As a technical optimization solution of the present invention, a second sliding block 13 is fixedly connected to the right end surface of the rectangular plate 4 , and the second sliding block 13 is slidably connected to the bracket 5 via a sliding groove.

[0028] In this embodiment, the second sliding block 13 is slidably connected to the bracket 5 through the sliding groove, so that the rectangular plate 4 can be prevented from axially rotating.

[0029] As a technical optimization solution of the present invention, a controller 7 is installed on the right end surface of the mounting frame 2 .

[0030] In this embodiment: the first motor 14, the second motor 11 and the third motor 6 are all electrically connected to the controller 7, so that the operation of the first motor 14, the second motor 11 and the third motor 6 can be adjusted by the controller 7, and the operation is more convenient.

[0031] Working principle: When the mounting frame 2 and the guardrail 1 need to be installed on the bridge, the mounting frame 2 is placed on the side of the bridge, and then the two second motors 11 are started to drive the two first screw rods 10 to rotate. When the two first screw rods 10 rotate, they will drive the two clamping plates 8 to move upward, thereby clamping the bridge between the clamping plates 8 and the mounting frame 2;

[0032] When an object falls inside the guardrail 1, the third motor 6 is first started to drive the second screw 9 to rotate, thereby driving the rectangular plate 4 and the guardrail 1 to move upward to the top of the bridge side, and then the first motor 14 is started to drive the bracket 5 to rotate. When the bracket 5 rotates, the guardrail 1 can be rotated 180 degrees, so that the guardrail 1 is moved to the top of the bridge, thereby facilitating the removal of the object inside the guardrail 1.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bridge construction anti-fall device, comprising a U-shaped mounting frame (2), characterized in that: The interior of the mounting frame (2) is movably connected to two first screw rods (10) distributed front and rear via bearings, the outer walls of the two first screw rods (10) are both threadedly connected to a clamping plate (8), the left end face of the mounting frame (2) is fixedly connected to a support plate (3), the lower end face of the support plate (3) is mounted with a first motor (14), the output end of the first motor (14) passes through the support plate (3) and is fixedly connected to a "U"-shaped bracket (5), the interior of the bracket (5) is movably connected to a second screw rod (9) via bearings, the outer wall of the second screw rod (9) is threadedly connected to a rectangular plate (4), and the left end face of the rectangular plate (4) is fixedly connected to a guardrail (1).

2. A bridge construction anti-fall device according to claim 1, characterized in that: Two second motors (11) distributed front and back are mounted on the upper end surface of the mounting frame (2), and the output ends of the second motors (11) both pass through the mounting frame (2) and are fixedly connected to the two first screw rods (10) respectively.

3. The anti-fall device for bridge construction according to claim 1 is characterized by: A third motor (6) is mounted on the upper end surface of the bracket (5); an output end of the third motor (6) passes through the bracket (5) and is fixedly connected to the second screw rod (9).

4. The anti-fall device for bridge construction according to claim 1, characterized in that: The left end surfaces of the two clamping plates (8) are both fixedly connected with a first sliding block (12), and the two first sliding blocks (12) are both slidably connected to the mounting frame (2) via a sliding groove.

5. The anti-fall device for bridge construction according to claim 1, characterized in that: A second sliding block (13) is fixedly connected to the right end surface of the rectangular plate (4), and the second sliding block (13) is slidably connected to the bracket (5) via a sliding groove.

6. The anti-fall device for bridge construction according to claim 1, characterized in that: A controller (7) is installed on the right end surface of the mounting frame (2).

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