Rail transit aloft work anti-falling device

By designing a combination of support modules, transportation modules and guide rail modules, the cantilever crane body and speed difference anti-falling device are used to solve the problems of limited length of safety ropes and small movable range in high-altitude operations of rail transit vehicles, efficient safety rope hooks and rapid emergency stops are achieved, reducing the risk of falling and improving operational safety.

CN223287501UActive Publication Date: 2025-09-02GUANGDONG CSR RAIL TRAFFIC VEHICLE CO LTD
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Patent Information

Application Number
CN202421869233.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-02
Publication Date
2025-09-02
Estimated Expiration
2034-08-02

AI Technical Summary

Technical Problem

In the high-altitude operation of rail transit vehicles, the length of the personnel safety rope is limited and the movable range is small, which leads to insufficient safety when working on the elevated road, unable to stop quickly, and there is a risk of falling.

Method used

A fall-proof device including a support module, a carrying module and a guide rail module is designed. The cantilever crane body, a servo motor and a speed difference anti-falling device are used to realize the safety rope hook hanging and locking of the full-body safety belt of the operator during high altitude operation. Combined with the movement of the guide rail module and the use of the speed difference anti-falling device, the free fall distance is minimized.

Benefits of technology

Through this device, operators can walk freely within a certain range when working at high altitudes. The speed difference fall-off device accidentally stepped on the air can minimize the free fall distance, reduce the risk of direct landing, and improve the safety of high altitude operations.

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Abstract

The utility model discloses a rail transit high-altitude operation anti-falling device which comprises a plurality of transversely-arranged supporting modules and a supporting stand column, a supporting cross beam is fixedly installed on the supporting stand column, and the other end of the supporting cross beam is connected with a supporting longitudinal beam. The carrying module comprises a cantilever crane main body, the cantilever crane main body is movably installed on the supporting longitudinal beam through a rotating shaft, and the rotating shaft is connected with a motor to drive the rotating shaft to rotate. When the product is used, firstly, the operation activity range of an operator is determined, the cantilever crane main body is driven by the rotating shaft, the guide rail module is moved to a designated position, the speed difference falling protector is moved to the operation activity range, and after the operator climbs on an elevated frame, a safety rope of a whole-body safety belt is hooked on a hook of the speed difference falling protector and locked; the speed difference anti-falling device can work above the top of a vehicle body and can walk within a certain range, and when a person misses the step accidentally, the speed difference anti-falling device can reduce the distance of free falling to the maximum extent, and the risk that the person directly falls to the ground is reduced.
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Description

Technical Field

[0001] The utility model relates to the field of anti-falling for high-altitude operations in rail transportation, in particular to an anti-falling device for high-altitude operations in rail transportation. Background Art

[0002] The car body is the core component of rail transit vehicles. The car body assembly requires assembly, welding and other operations on the chassis, side walls, roof, end walls and other components. Currently, rail transit vehicles include subways and intercity EMUs, with various models and inconsistent lengths and heights. When assembling the roof and side walls, personnel are required to work on a three-story elevated platform, which is more than 2 meters above the ground. During operation, the length of the personnel safety rope is limited and the movable range is small. When personnel step on air, they cannot stop quickly to protect their safety, which is not conducive to the safety protection of production workers. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a side wall machining fixture that can realize functions such as clamping, positioning, pressing, and locking.

[0004] The technical solution adopted by the utility model to solve the above technical problems is: a rail transit high-altitude operation anti-falling device, which includes

[0005] A plurality of laterally arranged support modules, comprising support columns, each of which is fixedly mounted with a support beam, the other end of which is connected to a support longitudinal beam;

[0006] The carrier module includes a cantilever crane body, which is movably mounted on the supporting longitudinal beam via a rotating shaft, and a motor is connected to the rotating shaft to drive the rotating shaft;

[0007] The guide rail module includes an I-beam, which is connected to the cantilever crane body through a universal joint. A C-shaped groove guide rail is fixedly installed at the bottom of the I-beam, a shuttle is slidably installed on the C-shaped groove guide rail, and a speed difference anti-fall device is connected to the shuttle.

[0008] According to some embodiments of the present invention, there are two supporting cross beams, which are respectively fixed to the upper and lower ends of the supporting longitudinal beam by bolts.

[0009] According to some embodiments of the present invention, a rotating shaft mounting bracket is provided on the supporting longitudinal beam, and the rotating shaft is plugged and mounted on the rotating shaft mounting bracket.

[0010] According to some embodiments of the present invention, the rotating shaft mounting bracket is reinforced on the supporting longitudinal beam by welding triangular ribs.

[0011] According to some embodiments of the present invention, the cantilever crane body is composed of two hollow square steel pipes, which are in the shape of an inverted trapezoid and are reinforced by square pipes in the middle.

[0012] According to some embodiments of the present invention, the universal joint is connected by bolts, with one end connected to the cantilever crane body and the other end connected to the I-beam.

[0013] According to some embodiments of the present invention, the motor is a servo motor controlled by a remote controller.

[0014] According to some embodiments of the present invention, a stopper for controlling the motion range of the shuttle is installed on the C-groove guide rail.

[0015] According to some embodiments of the present invention, the support column is fixed on the ground, and a maintenance ladder is installed on the side.

[0016] According to some embodiments of the present invention, the shuttle is a double-sided roller structure.

[0017] The present utility model has at least the following beneficial effects: when using this product, the operator's working range is first determined, the cantilever crane body is driven by the rotating shaft, the guide rail module is moved to the designated position, and the speed differential fall arrester is moved to the working area. After the operator goes up to the elevated structure, the safety rope hook of the full-body safety belt is hooked on the hook of the speed differential fall arrester and locked. The operator can then work above the vehicle body and roof, and can walk within a certain range. When the operator accidentally steps on air, the speed differential fall arrester can minimize the distance of free fall and reduce the risk of the operator falling directly to the ground.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0020] Figure 1 It is a structural diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the utility model in another direction;

[0022] Figure 3 This is a schematic structural diagram of the guide rail module of the present utility model. DETAILED DESCRIPTION

[0023] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0024] In the description of the present invention, it should be understood that descriptions involving orientation, such as the orientation or positional relationship indicated by up, down, etc., are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] In the description of this utility model, "a plurality" means more than two. The use of "first" or "second" is solely for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of technical features indicated, or implicitly indicating the order of the technical features indicated.

[0026] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0027] Reference Figure 1 , a rail transit high-altitude work anti-fall device, which includes a plurality of laterally arranged support modules 1, a carrier module 2 and a guide rail module 3.

[0028] Reference Figure 2 The support module 1 includes a support column 11 fixed to the ground and equipped with a maintenance ladder on its side. A support beam 12 is fixedly mounted on the support column 11, and the other end of the support beam 12 is connected to a support longitudinal beam 13. There are two support beams 12, which are bolted to the upper and lower ends of the support longitudinal beam 13 respectively.

[0029] The carrier module 2 includes a cantilever crane body 21. To ensure the rigidity of the product, the cantilever crane body 21 is composed of two hollow square steel pipes in an inverted trapezoidal shape, reinforced by a square pipe in the middle. The cantilever crane body 21 is movably mounted on the support longitudinal beam 13 via a rotating shaft 22. A motor is connected to the rotating shaft 22 to drive its rotation. The motor is a servo motor controlled by a remote control. To facilitate installation, a rotating shaft mounting bracket 131 is provided on the support longitudinal beam 13, and the rotating shaft 22 is plugged and mounted on the rotating shaft mounting bracket 131. To ensure stability, the rotating shaft mounting bracket 131 is reinforced on the support longitudinal beam 13 by welding triangular ribs.

[0030] The rotating shaft 22 is made of carbon steel and is connected to the cantilever crane body 21 by welding. A gear is installed at the lower part of the rotating shaft 22, and the gear is connected to the servo motor. The rotating shaft 22 is fixed on the rotating shaft mounting bracket 131. The servo motor is installed at the upper and lower parts of the rotating shaft mounting bracket 131. When the servo motor rotates, it drives the gear to rotate, thereby realizing the movement of the cantilever crane body 21 along the supporting beam 12 of the supporting module 1.

[0031] Reference Figure 3 The guide rail module 3 includes an I-beam 31, which is connected to the cantilever crane body 21 through a universal joint 32. The universal joint 32 is connected by bolts, with one end connected to the cantilever crane body 21 and the other end connected to the I-beam 31. A C-shaped groove guide rail 33 is fixedly installed at the bottom of the I-beam 31, and a shuttle 34 is slidably installed on the C-shaped groove guide rail 33. The shuttle 34 is connected to a speed difference anti-fall device. The C-shaped groove guide rail 33 is equipped with a block 35 for controlling the movement range of the shuttle 34 every 5 meters, reducing the lateral movement of personnel when accidentally stepping on air, and avoiding the risk of the shuttle 34 derailing. The side of the C-shaped groove guide rail 33 is a sloped surface with a slope to facilitate the sliding of the shuttle 34. The shuttle 34 is a roller on both sides, and the design of the middle boss slides the middle boss from the end into the C-shaped groove of the C-shaped groove guide rail 33, and the rollers on both sides roll along the two sides of the groove. The upper part of the speed differential anti-fall device is fixed on the C-groove guide rail 33 through a shuttle 34, and the lower part has a hook with a shackle. The speed differential anti-fall device is moved to the specified position by remote control, and personnel can walk freely above the roof through a safety rope.

[0032] When using this product, first determine the operator's working range, drive the cantilever crane body 21 through the rotating shaft 33, move the guide rail module 3 to the designated position, and move the speed differential fall arrester to the working area. After the operator goes up to the elevated structure, hook the safety rope of the full-body safety belt on the hook of the speed differential fall arrester and lock it. The operator can then work above the vehicle body and roof and walk within a certain range. When the operator accidentally steps on air, the speed differential fall arrester can minimize the distance of free fall and reduce the risk of the operator falling directly to the ground.

[0033] The above describes in detail the preferred embodiments of the present invention. It should be understood that those skilled in the art can make numerous modifications and variations based on the concepts of the present invention without inventive effort. Therefore, any technical solutions that can be derived by those skilled in the art based on the concepts of the present invention through logical analysis, reasoning, or limited experimentation based on the existing technology should be within the scope of protection defined by the claims.

Claims

1. A rail transit high-altitude work anti-fall device, characterized by: include A plurality of transversely arranged support modules (1) include support columns (11), wherein the support columns (11) are fixedly mounted with support beams (12), and the other ends of the support beams (12) are connected to support longitudinal beams (13); The carrier module (2) comprises a cantilever crane body (21), wherein the cantilever crane body (21) is movably mounted on the supporting longitudinal beam (13) via a rotating shaft (22), and a motor is connected to the rotating shaft (22) to drive the rotating shaft (22) to rotate; The guide rail module (3) comprises an I-beam (31), wherein the I-beam (31) is connected to the cantilever crane body (21) via a universal joint (32), a C-shaped groove guide rail (33) is fixedly mounted on the bottom of the I-beam (31), a shuttle (34) is slidably mounted on the C-shaped groove guide rail (33), and a speed differential anti-fall device is connected to the shuttle (34).

2. The anti-fall device for high-altitude work in rail transportation according to claim 1, characterized in that: There are two supporting cross beams (12), which are respectively fixed to the upper and lower ends of the supporting longitudinal beam (13) by bolts.

3. The anti-fall device for high-altitude work in rail transportation according to claim 1, characterized in that: A rotating shaft mounting bracket (131) is provided on the supporting longitudinal beam (13), and the rotating shaft (22) is plug-connected and mounted on the rotating shaft mounting bracket (131).

4. The anti-fall device for high-altitude work in rail transportation according to claim 3, characterized in that: The rotating shaft mounting bracket (131) is reinforced on the supporting longitudinal beam (13) by welding a triangular rib plate.

5. The anti-fall device for high-altitude work in rail transportation according to claim 1, characterized in that: The cantilever crane body (21) is composed of two hollow square steel pipes, presenting an inverted trapezoidal shape, and is reinforced by a square pipe in the middle.

6. The anti-fall device for high-altitude work in rail transportation according to claim 1, characterized in that: The universal joint (32) is connected by bolts, with one end connected to the cantilever crane body (21) and the other end connected to the I-beam (31).

7. The anti-fall device for high-altitude work in rail transportation according to claim 1, characterized in that: The motor is a servo motor and is controlled by a remote controller.

8. The anti-fall device for high-altitude work in rail transportation according to claim 1, characterized in that: A stopper (35) for controlling the motion range of the shuttle (34) is mounted on the C-shaped groove guide rail (33).

9. The anti-fall device for high-altitude work in rail transportation according to claim 1, characterized in that: The supporting column (11) is fixed on the ground, and a maintenance ladder is installed on the side.

10. The anti-fall device for high-altitude work in rail transportation according to claim 1, characterized in that: The shuttle (34) is a roller structure on both sides.