Lifting operation maintenance platform for railway
By introducing liftable and telescopic structures on the railway maintenance platform, the driving motor and screw system are used to expand the operating range, the problem of small top area of the existing maintenance platform is solved, and maintenance efficiency and comfort are improved.
Patent Information
- Application Number
- CN202420908029.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-04-29
AI Technical Summary
The top operating platform of the existing railway maintenance platform has a small area, which limits the effective operating range and leads to insufficient maintenance efficiency and comfort.
A railway maintenance platform including a base, liftable lifting platform, limiting base plate, telescopic platform and drive device is designed. The connecting rod and limiting screw are driven by the drive motor and screw system to realize the sliding of the lifting platform and telescopic platform. Launch and expand the scope of operation.
The operating scope of the maintenance platform has been effectively expanded, the operating space and maintenance efficiency of workers on the top of the vehicle body has been improved, and the flexibility and comfort of the maintenance platform has been enhanced.
Smart Images

Figure CN222225895U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of railway maintenance platforms, in particular to a lifting operation maintenance platform for railways. Background Art
[0002] At present, when inspecting and repairing the body of railway 25T passenger cars and centralized power EMUs, it is necessary to inspect and repair the auxiliary components on the top of the car body and replace parts. Operators usually need to use common lifting equipment on the market to inspect and repair railway passenger cars.
[0003] In the traditional operation process, it is necessary to use scaffolding to build a special maintenance operation platform, such as the existing patent CN202220747768.5, which is a mobile railway passenger car body upper comprehensive maintenance platform, including a mobile base, a lifting support and a maintenance platform, and the upper end surface of the maintenance platform is provided with a lifting bearing platform, the lifting bearing platform includes a bearing platform and a first lifting unit, the bearing platform is connected to the maintenance platform by the first lifting unit, and the bearing platform is also connected to the top of the first lifting unit in a sliding manner; by combining the mobile base, the lifting support and the maintenance platform, on the one hand, it can be moved to a suitable position and a suitable height as needed during maintenance, making the maintenance work more convenient and efficient, and further improving the maintenance efficiency. At the same time, an independent lifting bearing platform is set on the maintenance platform, so that when the staff disassembles and replaces the large-mass components, they can flexibly assemble the components through the lifting bearing platform, so that the operators can work more comfortably.
[0004] Although the above patent can be easily moved and is equipped with a hydraulic lifting mechanism, which can achieve a wide range of height adjustment and thus adapt to different working heights, the top working platform is small, which greatly reduces the effective working range. Utility Model Content
[0005] The utility model aims to solve the above technical problems and provides a lifting operation and maintenance platform for railways.
[0006] In order to solve the above technical problems, the technical solution provided by the utility model is:
[0007] A lifting operation and maintenance platform for railways, comprising a base, on which a lifting platform capable of being lifted and lowered is mounted;
[0008] The lifting platform includes a limiting bottom plate and a first fence on the limiting bottom plate;
[0009] A telescopic platform is slidably provided on one side of the lifting platform;
[0010] A driving device for driving the lifting platform to rise and fall and the telescopic platform to extend and retract is installed on the base.
[0011] Preferably, the driving device includes a driving motor arranged on the base, a screw rod at the output end of the driving motor, two groups of first connecting rods and two groups of second connecting rods, and a limiting screw rod for matching is installed on the outer side of the screw rod, one end of the first connecting rod is hinged to the limiting base plate and the other end is slidably connected to the base, one end of the second connecting rod is hinged to the base and the other end is slidably connected to the limiting base plate, and a limiting screw rod is installed between the two first connecting rods.
[0012] Preferably, the second connecting rod is hinged to the middle portion of the first connecting rod.
[0013] Preferably, the base and the limiting bottom plate are both provided with limiting blocks which cooperate with the second connecting rod or the first connecting rod to slide.
[0014] Preferably, a connecting shaft is installed between the sliding ends of the two second connecting rods and the connecting shaft extends into the limit block, a roller in the limit block is installed on the outer side of the connecting shaft, a slider is slidably arranged in the limit block on the limit base plate, a limiting shaft is installed on one side of the slider and the limiting shaft passes through the limit block to connect the telescopic platform, and an adjusting spring is installed on the outer side of the limiting shaft and between the slider and the limit block.
[0015] Preferably, the telescopic platform includes a side panel and a second fence on both sides of the side panel, and the upper and lower ends of the second fence are equipped with clamping sliders that are slidably connected to the first fence and the limiting bottom plate. A supporting bottom plate is installed on one side of the side panel and one end of the supporting bottom plate is connected to the connecting shaft.
[0016] Preferably, the limiting bottom plate is provided with a through hole 1 and a through hole 2 for cooperating with the limiting shaft and the supporting bottom plate.
[0017] After adopting the above structure, the utility model has the following advantages:
[0018] The utility model uses a driving device to enable the telescopic platform to slide out when the lifting platform rises. The lifting platform and the telescopic platform are two platforms, which are convenient for workers to repair and solve the problem that the top working platform is small and the effective working range is greatly reduced.
[0019] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0021] Figure 1 It is a first structural schematic diagram of the utility model;
[0022] Figure 2 It is a second structural schematic diagram of the utility model;
[0023] Figure 3 It is an enlarged schematic diagram of point A of the utility model;
[0024] Figure 4 It is a structural schematic diagram of the side plate of the utility model;
[0025] Figure 5 It is a structural schematic diagram of the utility model lifting platform;
[0026] Figure 6 It is a schematic diagram of the installation of the adjusting spring of the utility model.
[0027] As shown in the figure: 1. Base; 2. Lifting platform; 201. Limiting bottom plate; 202. First fence; 3. Telescopic platform; 301. Side plate; 302. Second fence; 303. Clamping slider; 304. Supporting bottom plate; 4. Driving device; 401. Driving motor; 402. Screw rod; 403. First connecting rod; 404. Second connecting rod; 405. Limiting screw; 406. Connecting shaft; 407. Slider; 408. Limiting shaft; 409. Adjusting spring; 410. Roller; 5. Limiting block; 6. Through hole one; 7. Through hole two. DETAILED DESCRIPTION
[0028] The embodiments of the present application are described in detail below, and 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 only used to explain the present application, and cannot be understood as limiting the present application.
[0029] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0030] The utility model is further described in detail below in conjunction with the full text.
[0031] Combined with Figure 1-Figure 6 A lifting and maintenance platform for railways includes a base 1, on which a liftable lifting platform 2 is installed, and the lift platform 2 includes a limiting bottom plate 201 and a first fence 202 on the limiting bottom plate 201; specifically, the base 1 of the utility model can be fixed on a special vehicle for railway maintenance, and the special vehicle can drive the device to move to the side of a train that needs maintenance, or to the side of a line that needs maintenance.
[0032] When the utility model is implemented, Figure 4-Figure 6 As shown. A telescopic platform 3 is slidably provided on one side of the lifting platform 2; the telescopic platform 3 comprises a side plate 301 and a second fence 302 on both sides of the side plate 301, and a clamping slider 303 slidably connected to the first fence 202 and the limiting bottom plate 201 is installed at the upper and lower ends of the second fence 302, and a supporting bottom plate 304 is installed on one side of the side plate 301, and one end of the supporting bottom plate 304 is connected to the connecting shaft 406, and a through hole 1 6 and a through hole 2 7 are provided on the limiting bottom plate 201 for matching the limiting shaft 408 and the supporting bottom plate 304. When the driving device 4 is working, the limiting shaft 408 can be driven to move in the through hole 1 6, and the supporting bottom plate 304 can move in the through hole 2 7, and at the same time, the clamping slider 303 is slidably limited on the lifting platform 2.
[0033] When the utility model is implemented, Figure 1-Figure 3As shown, a driving device 4 for driving the lifting platform 2 to lift and the telescopic platform 3 to telescope is installed on the base 1, and the driving device 4 includes a driving motor 401 arranged on the base 1, a screw rod 402 at the output end of the driving motor 401, two groups of first connecting rods 403 and two groups of second connecting rods 404, and a matching limiting screw 405 is installed on the outer side of the screw rod 402, and the limiting screw 405 is a rolling nut used in conjunction with the screw rod 402, and both ends of the limiting screw 405 are fixedly connected to the first connecting rod 403, one end of the first connecting rod 403 is hinged to the limiting bottom plate 201 and the other end is slidably connected to the base 1, one end of the second connecting rod 404 is hinged to the base 1 and the other end is slidably connected to the limiting bottom plate 201, and the two first connecting rods 403 are connected to the base 1. A limiting screw rod 405 is installed between them, the middle part of the second connecting rod 404 and the first connecting rod 403 is hinged, and a limiting block 5 cooperating with the second connecting rod 404 or the first connecting rod 403 to slide is installed on the base 1 and the limiting bottom plate 201, a connecting shaft 406 is installed between the sliding ends of the two second connecting rods 404 and the connecting shaft 406 extends into the limiting block 5, and a roller 410 in the limiting block 5 is installed on the outer side of the connecting shaft 406, a slider 407 is slidably arranged in the limiting block 5 on the limiting bottom plate 201, a limiting shaft 408 is installed on one side of the slider 407 and the limiting shaft 408 passes through the limiting block 5 to connect the telescopic platform 3, and an adjusting spring 409 is installed on the outer side of the limiting shaft 408 and between the slider 407 and the limiting block 5. The driving motor 401 works, driving the screw rod 402 to rotate, so that the limiting screw rod 405 moves along the axis of the screw rod 402, thereby driving the first connecting rod 403 to slide in the limiting block 5 of the base 1, and at the same time, the second connecting rod 404 is adjusted, and the roller 410 at one end of the second connecting rod 404 slides in the limiting block 5 of the limiting bottom plate 201, pushing the slider 407 to move, adjusting the spring 409 to be compressed, and the supporting bottom plate 304 moves with the movement of the slider 407, and the telescopic platform 3 slides out to facilitate workers' maintenance.
[0034] The working principle of this utility model:
[0035] A special vehicle can drive the device to move to the side of the train that needs maintenance, and the worker stands on the lifting platform 2.
[0036] The driving motor 401 works, driving the screw rod 402 to rotate, so that the limiting screw rod 405 moves along the axis of the screw rod 402, thereby driving the first connecting rod 403 to slide in the limiting block 5 of the base 1, and at the same time, the second connecting rod 404 is adjusted, and the roller 410 at one end of the second connecting rod 404 slides in the limiting block 5 of the limiting bottom plate 201, pushing the slider 407 to move, and adjusting the spring 409 to be compressed, and the support bottom plate 304 moves with the movement of the slider 407, and the limiting shaft 408 moves in the through hole 1 6, and the support bottom plate 304 moves in the through hole 2 7. At the same time, the clamping slider 303 slides and limits on the lifting platform 2, and the telescopic platform 3 slides and is pushed out. The two platforms of the lifting platform 2 and the telescopic platform 3 are convenient for workers to maintain.
[0037] The above describes the utility model and its implementation methods, which is not restrictive. What is shown in the full text is only one of the implementation methods of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it, without departing from the purpose of the invention of the utility model, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the utility model.
Claims
1. A lifting and maintenance platform for railways, comprising a base (1), characterized in that: A lift platform (2) that can be lifted or lowered is installed on the base (1); The lifting platform (2) comprises a limiting bottom plate (201) and a first fence (202) on the limiting bottom plate (201); A telescopic platform (3) is slidably provided on one side of the lifting platform (2); A driving device (4) for driving the lifting platform (2) to lift and the telescopic platform (3) to telescope is installed on the base (1).
2. A lifting and maintenance platform for railways according to claim 1, characterized in that: The driving device (4) comprises a driving motor (401) arranged on the base (1), a screw rod (402) at the output end of the driving motor (401), two groups of first connecting rods (403) and two groups of second connecting rods (404); a matching limiting screw rod (405) is installed on the outer side of the screw rod (402); one end of the first connecting rod (403) is hinged to the limiting base plate (201) and the other end is slidably connected to the base (1); one end of the second connecting rod (404) is hinged to the base (1) and the other end is slidably connected to the limiting base plate (201); and the limiting screw rod (405) is installed between the two first connecting rods (403).
3. A lifting and maintenance platform for railways according to claim 2, characterized in that: The second connecting rod (404) is hinged to the middle portion of the first connecting rod (403).
4. A lifting and maintenance platform for railways according to claim 2, characterized in that: The base (1) and the limiting bottom plate (201) are both provided with limiting blocks (5) that slide in cooperation with the second connecting rod (404) or the first connecting rod (403).
5. A lifting and maintenance platform for railways according to claim 4, characterized in that: A connecting shaft (406) is installed between the sliding ends of the two second connecting rods (404), and the connecting shaft (406) extends into the limit block (5); a roller (410) in the limit block (5) is installed on the outer side of the connecting shaft (406); a slider (407) is slidably arranged in the limit block (5) on the limit base plate (201); a limiting shaft (408) is installed on one side of the slider (407), and the limiting shaft (408) passes through the limit block (5) to connect to the telescopic platform (3); and an adjustment spring (409) is installed on the outer side of the limiting shaft (408) and between the slider (407) and the limit block (5).
6. A lifting and maintenance platform for railways according to claim 5, characterized in that: The telescopic platform (3) comprises a side plate (301) and a second fence (302) on both sides of the side plate (301); the upper and lower ends of the second fence (302) are provided with clamping sliders (303) slidably connected to the first fence (202) and the limiting bottom plate (201); a supporting bottom plate (304) is provided on one side of the side plate (301), and one end of the supporting bottom plate (304) is connected to a connecting shaft (406).
7. A lifting and maintenance platform for railways according to claim 5, characterized in that: The limiting bottom plate (201) is provided with a through hole 1 (6) and a through hole 2 (7) for use with the limiting shaft (408) and the supporting bottom plate (304).
