CN220351659U

CN220351659U - Local lifting type maintenance platform

Info

Publication number: CN220351659U
Application number: CN202322108508.0U
Authority: CN
Inventors: 黎莎; 姜蕾蕾
Original assignee: Beijing Railway Institute of Mechanical and Electrical Engineering Group Co Ltd
Current assignee: Beijing Railway Institute of Mechanical and Electrical Engineering Group Co Ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-01-16
Anticipated expiration: 2033-08-07

Abstract

The utility model belongs to the technical field of railway vehicles, and discloses a local lifting type maintenance platform which comprises a hanging column, a maintenance platform and a lifting device. The first end of davit is connected in roof string roof beam down, and the maintenance platform sets up in the second end of davit. The maintenance platform is fixed on one side of the roof of the railway vehicle through the hanging column; the maintenance platform can be used for climbing the roof of the railway vehicle for maintenance. The maintenance platform is spaced apart to be equipped with the passageway, and elevating gear is provided with a plurality of and one-to-one and sets up in the passageway top that maintenance platform interval was seted up, and elevating gear includes frame, lift storehouse and drive assembly. The lifting bin is driven by the driving assembly to move vertically in the channel, and can be stopped at different height positions of the carriage by controlling the start and stop of the driving assembly, so that the filter screen on the roof side of the railway vehicle with different heights can be overhauled or replaced; and the roof side filter screens on different carriages can be overhauled or replaced at the same time, so that the working efficiency is effectively improved.

Description

Local lifting type maintenance platform

Technical Field

The utility model relates to the technical field of railway vehicles, in particular to a local lifting type maintenance platform.

Background

During the operation and maintenance process of the railway vehicle, the railway vehicle needs to be overhauled so as to ensure that the railway vehicle is in a state with reliable performance and stable operation. The common operation platform in the existing railway vehicle maintenance operation is a roof suspension fixed platform, but the maintenance platform is positioned at the roof position of the railway vehicle, the space position is solidified, the requirement of the railway vehicle on the roof maintenance operation is only met, and the maintenance or replacement of a filter screen on the roof side of the railway vehicle through the maintenance platform is more inconvenient. In addition, the roof side filter screens of the railway vehicles are different in height of different carriages, the roof side filter screens at the different carriages are difficult to replace, the existing maintenance platform cannot meet the requirement of simultaneously maintaining the roof side filter screens at different heights, and the working efficiency is low.

Therefore, a local lifting type maintenance platform is needed to solve the above problems.

Disclosure of Invention

The utility model aims to provide a local lifting type overhauling platform, which solves the problems that the overhauling platform in the prior art is inconvenient to replace a roof side filter screen, cannot meet the requirement of simultaneous overhauling operation on roof side filter screens with different heights, and has low working efficiency.

To achieve the purpose, the utility model adopts the following technical scheme:

a local lift-type service platform, comprising:

a plurality of suspension posts are arranged, the suspension posts are arranged on one side of the railway vehicle at intervals along the length direction of the railway vehicle, and the first ends of the suspension posts are connected to a roof bottom chord beam;

the overhaul platform is connected to the second ends of the plurality of suspension columns (1), and a plurality of channels for operators to enter and exit are arranged on the overhaul platform at intervals along the length direction of the overhaul platform;

the lifting device is provided with a plurality of lifting devices, the lifting devices are arranged above the channels in a one-to-one correspondence mode, the lifting devices comprise frames, lifting bins and driving components, the frames are connected with the overhaul platform, the lifting bins are slidably arranged in the frames, the driving components are arranged on the frames, and the driving components can drive the lifting bins to penetrate into the channels from top to bottom.

Preferably, the local lifting maintenance platform further comprises a cat ladder, a first end of the cat ladder is fixedly connected to one end of the maintenance platform, and a second end of the cat ladder is fixedly connected to the ground.

Preferably, the frame is vertically provided with a sliding rail, the outer side of the lifting bin is provided with a roller capable of being movably connected with the sliding rail, and the roller is in rolling connection with the sliding rail when the lifting bin vertically moves.

Preferably, the lifting bin comprises a bottom plate, first side plates, second side plates and a top plate, wherein two first side plates are arranged, the two first side plates are parallel and are arranged at intervals, the bottom plate, the second side plates and the top plate are arranged between the two first side plates, the bottom plate, the two first side plates, the second side plates and the top plate are enclosed to form the lifting bin, and one side of the second side plate opposite to the side of the second side plate is formed with an opening towards the railway vehicle.

Preferably, a first guard rail is arranged on the bottom plate near one side of the opening.

Preferably, the driving assembly comprises a driving motor, a winding drum and a sling, the driving motor and the winding drum are arranged at the top end of the frame, a rotation output end of the driving motor is connected with the winding drum, a first end of the sling is wound on the winding drum, a second end of the sling is connected with the lifting bin, and the rotation output end can drive the winding drum to rotate so as to wind the sling.

Preferably, the top plate is provided with a lifting lug, and the second end of the sling is connected with the lifting lug.

Preferably, a second guard rail is arranged on one side of the maintenance platform, which is close to the railway vehicle.

Preferably, a protective door is arranged on the second protective guard opposite to the opening, and the protective door is rotationally connected with the second protective guard.

Preferably, a connecting piece is arranged between the adjacent hanging columns, and the top end of the frame is fixedly connected with the connecting piece.

The utility model has the beneficial effects that:

the utility model provides a local lifting type maintenance platform which comprises a hanging column, a maintenance platform and a lifting device. The plurality of hanging columns are arranged, the maintenance platform is fixed on one side of the roof of the railway vehicle through the plurality of hanging columns, and maintenance operation of boarding the roof of the railway vehicle can be realized through the maintenance platform. The lifting devices are arranged in a plurality, and the lifting devices are arranged above the channels formed at intervals of the overhaul platform in a one-to-one correspondence mode. The lifting device comprises a frame, a lifting bin and a driving assembly, the lifting bin is driven by the driving assembly to move vertically in the channel, and the lifting bin can be stopped at different height positions of the carriage by controlling the starting and stopping of the driving assembly, so that the filter screens on the roof sides of railway vehicles with different heights can be overhauled or replaced, and the filter screens on the roof sides of different carriages can be overhauled or replaced at the same time, and the working efficiency is effectively improved.

Drawings

FIG. 1 is a front view of a partially elevated service platform provided by an embodiment of the present utility model;

FIG. 2 is a side view of a partially elevated service platform provided by an embodiment of the present utility model;

FIG. 3 is a schematic diagram of the overall structure of a lifting device according to an embodiment of the present utility model;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic diagram of the overall structure of the lifting bin according to the embodiment of the utility model.

In the figure:

100. a railway vehicle; 200. roof bottom chord beam;

1. a hanging column; 11. a connecting piece;

2. a maintenance platform; 21. a second guard rail; 22. a protective door;

3. a lifting device; 31. a frame; 311. a slide rail; 32. lifting the bin; 321. a bottom plate; 322. a first side plate; 323. a second side plate; 324. a top plate; 3241. lifting lugs; 321. a roller; 33. a drive assembly; 331. a driving motor; 332. a reel; 333. a sling; 34. a roller; 35. a slide rail; 36. an opening; 37. a first guard rail;

4. a ladder stand; 41. and (5) a fence.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1 to 5, the present embodiment provides a local lifting type maintenance platform, which includes a suspension post 1, a maintenance platform 2, and a lifting device 3. The plurality of suspension posts 1 are arranged, the plurality of suspension posts 1 are arranged at intervals on one side of the railway vehicle 100 along the length direction of the railway vehicle 100, and the first end of the suspension post 1 is connected to the roof sub-chord beam 200; the maintenance platform 2 is arranged at the second end of the lifting column 1. The maintenance platform 2 is fixed to one side of the roof of the railway vehicle 100 by the suspension post 1, and maintenance work for boarding the roof of the railway vehicle 100 can be performed by the maintenance platform 2. Further, along the length direction of the maintenance platform 2, the maintenance platform 2 is provided with a plurality of channels for operators to enter and exit at intervals, the lifting devices 3 are provided with a plurality of lifting devices 3, and the lifting devices 3 are arranged above the channels in a one-to-one correspondence manner. The lifting device 3 comprises a frame 31, a lifting bin 32 and a driving assembly 33, and the frame 31 is connected with the overhaul platform 2. The lifting cabin 32 is slidably disposed in the frame 31, the driving assembly 33 is disposed on the frame 31, and the driving assembly 33 can drive the lifting cabin 32 to move vertically through the channels, specifically, the multiple channels in the embodiment are spaced apart on one side of the maintenance platform 2 near the railway vehicle 100, so that the lifting device 3 approaches the railway vehicle 100. It can be understood that the local lifting maintenance platform in this embodiment drives the lifting cabin 32 to move vertically through the driving assembly 33, and controls the start and stop of the driving assembly 33 to realize that the lifting cabin 32 is stopped at different height positions of the carriages, so as to realize maintenance or replacement of roof side filter screens of railway vehicles 100 with different heights, and the lifting device 3 is provided with a plurality of lifting devices, so that maintenance or replacement of roof side filter screens on different carriages can be realized at the same time, and the working efficiency is effectively improved.

In this embodiment, the first end of the suspension post 1 is fixed on the roof lower chord beam 200 by a bolt, the second end is fixedly connected with the maintenance platform 2 by a bolt, and the frame 31 is connected with the maintenance platform 2 by a bolt. The mode of bolted connection is convenient to detach and maintain, and it is convenient to change davit 1, maintenance platform 2 and frame 31.

Optionally, as shown in fig. 1, the local lifting maintenance platform 2 further includes a ladder stand 4, where a first end of the ladder stand 4 is fixedly connected to one end of the maintenance platform 2, and a second end of the ladder stand 4 is fixedly connected to the ground. The workman accessible cat ladder 4 overhauls platform 2 from top to bottom, convenient and fast. Specifically, the first end accessible welding or bolt fastening of cat ladder 4 is in the one end of overhauling platform 2, and the second end accessible welding or bolt fastening of cat ladder 4 is in subaerial prefab to guarantee the fastness of cat ladder 4, prevent that the workman from trampling cat ladder 4 and taking place danger. Further, both sides of the cat ladder 4 in this embodiment are provided with fences 41 to form a fence for the cat ladder 4, further improving safety.

Preferably, as shown in fig. 1, in order to improve the strength of the entire local lifting maintenance platform, in this embodiment, a connecting piece 11 is disposed between adjacent lifting columns 1, and the plurality of lifting columns 1 form an integral structure through the connecting piece 11, so as to effectively improve the bearing capacity of the lifting columns 1. Further, the top end of the frame 31 is fixedly connected with the connection member 11 to ensure the firmness of the frame 31. Specifically, the connector 11 in the present embodiment is preferably a steel plate, and the connection strength is high.

Optionally, as shown in fig. 3, a second guard rail 21 is provided on a side of the service platform 2 near the railway vehicle 100 to protect safety of a worker walking or working on the service platform 2.

Optionally, as shown in fig. 3 and 4, rollers 34 are disposed on the outer side of the lifting bin 32, a sliding rail 35 is vertically disposed on the frame 31, and when the lifting bin 32 moves vertically, the rollers 34 are in rolling connection with the sliding rail 35. It can be appreciated that when the lifting bin 32 moves vertically, the rollers 34 and the sliding rails 35 are always in rolling connection, so that the lifting bin 32 can be stabilized, the lifting bin 32 is prevented from shaking during vertical movement, and the safety of workers is ensured. Optionally, the roller 34 in this embodiment is secured to the outer wall of the lift bin by a pin.

Optionally, as shown in fig. 5, the lifting bin 32 includes a bottom plate 321, a first side plate 322, a second side plate 323 and a top plate 324, where two first side plates 322 are parallel and spaced apart, the bottom plate 321, the second side plate 323 and the top plate 324 are disposed between the two first side plates 322, and the bottom plate 321, the two first side plates 322, the second side plate 323 and the top plate 324 enclose to form the lifting bin 32; an opening 36 is formed at the opposite side of the second side plate 323 and the opening 36 is adjacent to the railway vehicle 100, facilitating the work of a worker. The local lifting maintenance platform in the embodiment can enable workers to enter and exit the lifting bin 32 through the opening 36, and the bottom plate 321 is a bearing plate and is used for bearing the workers; the first side plate 322, the second side plate 323, and the top plate 324 form a fence to protect workers from falling during maintenance or replacement of the roof side screen. Further, in this embodiment, the first guard rail 37 is provided on the bottom plate 321 near one side of the opening 36 to improve the protection effect on the worker, and the height of the first guard rail can be set according to the actual requirement, so long as the effective protection on the worker can be satisfied.

Optionally, as shown in fig. 3, the second protective fence 21 opposite to the opening 36 on the local lifting maintenance platform in this embodiment is provided with a protective door 22, the protective door 22 is rotationally connected with the second protective fence 21, and a worker can go in and out of the lifting bin 32 through the protective door 23, so that the structure is simple, convenient and practical.

Alternatively, as shown in fig. 5, the driving assembly 33 includes a driving motor 331, a drum 332, and a sling 333, the driving motor 331 and the drum 332 are disposed at the top end of the frame 31, and in this embodiment, the driving motor 331 and the drum 332 are fixed to the top end of the frame 31 by bolts. The rotation output end of the driving motor 331 is connected with the winding drum 332, the first end of the sling 333 is wound on the winding drum 332, the second end is connected with the lifting bin 32, and the rotation output end can drive the winding drum 332 to rotate so as to wind the sling 333. In the embodiment, the driving motor 331 drives the winding drum 332 to rotate, and the winding drum 332 rotates to wind the sling 333 so as to realize the lifting of the lifting bin 32; the winding drum 332 is driven to reversely rotate by the driving motor 331, and the winding drum 332 releases the sling 333 to realize the descent of the lifting bin 32. Specifically, the driving motor 331 in this embodiment adopts a servo motor, and the accuracy and stability of driving the lifting bin 32 to lift are good.

Alternatively, as shown in fig. 5, in order to facilitate the connection of the second end of the sling 333 to the lifting bin 32, in this embodiment, a lifting lug 3241 is provided on the top plate 324, and the second end of the sling 333 is connected to the lifting lug 3241. Specifically, the lifting lug 3241 in this embodiment is fixed on the top plate 324 by welding, so as to ensure that the lifting lug 3241 and the top plate 324 have high enough connection strength, and ensure the safety of the local lifting type maintenance platform.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. A local lift-type service platform, comprising:

a plurality of suspension posts (1), wherein the plurality of suspension posts (1) are arranged on one side of the railway vehicle (100) at intervals along the length direction of the railway vehicle (100), and the first end of the suspension post (1) is connected to a roof bottom chord (200);

the overhaul platform (2) is connected to the second ends of the plurality of suspension columns (1), and a plurality of channels for operators to enter and exit are formed in the overhaul platform (2) at intervals along the length direction of the overhaul platform (2);

lifting device (3), be provided with a plurality of, a plurality of lifting device (3) one-to-one set up in passageway top, lifting device (3) include frame (31), lift storehouse (32) and drive assembly (33), frame (31) with overhaul platform (2) are connected, lift storehouse (32) slide set up in frame (31), drive assembly (33) set up in on frame (31), drive assembly (33) can drive lift storehouse (32) penetrate from top to bottom the passageway.

2. The local lifting type maintenance platform according to claim 1, further comprising a cat ladder (4), wherein a first end of the cat ladder (4) is fixedly connected to one end of the maintenance platform (2), and a second end of the cat ladder (4) is fixedly connected to the ground.

3. The local lifting type maintenance platform according to claim 1, wherein the frame (31) is vertically provided with a sliding rail (35), and the outer side of the lifting bin (32) is provided with a roller (34) capable of being in rolling connection with the sliding rail (35).

4. The local lifting maintenance platform according to claim 1, wherein the lifting bin (32) comprises a bottom plate (321), a first side plate (322), a second side plate (323) and a top plate (324), the first side plates (322) are two, the two first side plates (322) are arranged in parallel and at intervals, the bottom plate (321), the second side plate (323) and the top plate (324) are arranged between the two first side plates (322), the bottom plate (321), the two first side plates (322), the second side plate (323) and the top plate (324) are enclosed to form the lifting bin (32), and an opening (36) facing the railway vehicle (100) is formed on one side opposite to the second side plate (323).

5. The local lift type maintenance platform as claimed in claim 4, wherein a first guard rail (37) is arranged on the bottom plate (321) near one side of the opening (36).

6. The local lifting maintenance platform according to claim 4, wherein the driving assembly (33) comprises a driving motor (331), a winding drum (332) and a sling (333), the driving motor (331) and the winding drum (332) are arranged at the top end of the frame (31), a rotation output end of the driving motor (331) is connected with the winding drum (332), a first end of the sling (333) is wound on the winding drum (332), a second end of the sling (333) is connected with the lifting bin (32), and the rotation output end can drive the winding drum (332) to rotate so as to wind the sling (333).

7. The local lift type maintenance platform as set forth in claim 6, wherein a lifting lug (3241) is provided on the top plate (324), and the second end of the sling (333) is connected to the lifting lug (3241).

8. The local lift type maintenance platform according to claim 4, characterized in that a second guard rail (21) is arranged on one side of the maintenance platform (2) close to the railway vehicle (100).

9. The local lift type maintenance platform as claimed in claim 8, wherein a protective door (22) is arranged on the second protective rail (21) opposite to the opening (36), and the protective door (22) is rotatably connected with the second protective rail (21).

10. The local lifting maintenance platform according to any one of claims 1-9, wherein a connecting piece (11) is arranged between adjacent lifting columns (1), and the top end of the frame (31) is fixedly connected with the connecting piece (11).