Rail wheel lifting device
Patent Information
- Application Number
- CN202522604928.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-09
- Publication Date
- 2026-10-20
- Estimated Expiration
- 2035-12-09
AI Technical Summary
[0002]轨道轮用顶轮器是一种用于顶升和支撑轨道车辆轮对的专用维修工具，主要应用于铁路及城轨车辆的检修与维护；它能安全、平稳地将轮对顶离轨面，方便进行拆卸、更换或轴承检修等作业，从而显著提高维修效率，保障作业安全与运营稳定；现有的轨道轮用顶轮器一般通过钩板卡住导轨随后在液压缸下方安装垫块，通过垫块与钩板配合维持液压缸稳定，但这种结构在使用时由于垫块的安装与拆除需要时间且不同轨道轮的安装高度不相同，若需要进行安装不同的轨道轮时需要频繁进行更换与拆装垫块，无法快速适应不同的安装需求，因此，需对上述提出的问题加以改进处理
[0010]与现有技术相比，本实用新型的有益效果是：在本实用新型中，通过泵站与油管的配合，便于为液压缸持续提供压力，便于液压缸推动轨道轮安装在导轨上；通过钩板与支撑组件的配合，便于维持液压缸在工作中与工作面垂直的状态，便于防止出现外力干扰影响液压缸的稳定；通过棘板与弹簧的配合，便于调节支撑组件的支撑高度与支撑组件的自锁，便于适应不同高度的轨道轮安装与提高液压缸工作的稳定性；通过上述的结构解决了现有的顶轮器在使用垫块拆装频繁且无法快速适应不同轨道轮安装的问题。
Smart Images
Figure CN224869822U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of track wheel tools, and in particular to a top wheel device for track wheels. Background Technology
[0002] A wheel jack is a specialized maintenance tool used to lift and support wheelsets of rail vehicles, primarily for the inspection and maintenance of railway and urban rail vehicles. It safely and smoothly lifts the wheelset off the rail surface, facilitating disassembly, replacement, or bearing maintenance, thus significantly improving maintenance efficiency and ensuring operational safety and stability. Existing wheel jacks typically use a hook plate to hold the guide rail, followed by a pad installed below the hydraulic cylinder. The pad and hook plate work together to maintain the stability of the hydraulic cylinder. However, this structure requires time for pad installation and removal, and the installation height varies for different rail wheels. Frequent pad replacement and removal are necessary when installing different rail wheels, making it difficult to quickly adapt to different installation requirements. Therefore, improvements are needed to address the aforementioned issues. Utility Model Content
[0003] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a top wheel device for track wheels.
[0004] To achieve the above objectives, the present invention adopts the following technical solution: a top wheel device for a track wheel, comprising a pump station mounted on a base, the pump station being connected to a hydraulic cylinder, the telescopic end of the hydraulic cylinder abutting against a track wheel located on a guide rail, and the guide rail being mounted on a support seat on the base, the hydraulic cylinder having connecting components on both sides for limiting the position of the hydraulic cylinder, and a support component being mounted on the hydraulic cylinder.
[0005] Preferably, one side of the hydraulic cylinder is connected to an oil pipe, the other end of the oil pipe is connected to a pump station, a hydraulic cylinder base is installed at both ends of one side of the hydraulic cylinder, and a hydraulic cylinder support arm is movably hinged at both ends of the other side of the hydraulic cylinder, and a sliding groove is provided on the hydraulic cylinder base.
[0006] Preferably, the connecting assembly includes connecting ropes on both sides of the hydraulic cylinder, with chain rings connected to both ends of the connecting ropes, and hook plates and pins respectively connected to the other ends of the chain rings at both ends. The pins slide in the sliding grooves, and the hook plates are engaged with the guide rails.
[0007] Preferably, the connecting rope passes through the two cylinder arms.
[0008] Preferably, the support assembly includes a connecting seat installed at the lower end of one side of the hydraulic cylinder, a main rod is dampedly hinged to the lower end of the connecting seat, a sliding groove is provided on the upper part of the main rod, a ratchet plate is slidably connected in the sliding groove, a plurality of springs are equidistantly installed on one side of the ratchet plate, and the other end of the springs is connected to the main rod.
[0009] Preferably, a control block is connected to the middle of one side of the ratchet plate, one side of the control block passes through the main rod, and an adjusting rod is slidably connected to the other side of the main rod. The adjusting rod has ratchet teeth that cooperate with the ratchet plate, and a foot is damped and hinged to the lower end of the adjusting rod.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: In this utility model, the cooperation between the pump station and the oil pipe facilitates the continuous supply of pressure to the hydraulic cylinder, making it easier for the hydraulic cylinder to push the track wheel onto the guide rail; the cooperation between the hook plate and the support assembly facilitates maintaining the hydraulic cylinder perpendicular to the working surface during operation, preventing external interference from affecting the stability of the hydraulic cylinder; the cooperation between the ratchet plate and the spring facilitates adjusting the support height and self-locking of the support assembly, making it easier to adapt to track wheel installations of different heights and improving the stability of the hydraulic cylinder operation; the above structure solves the problem of frequent disassembly and assembly of existing top wheel devices when using pads and the inability to quickly adapt to different track wheel installations. Attached Figure Description
[0011] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings: Figure 1 This is a three-dimensional schematic diagram of the overall structure proposed in this utility model; Figure 2 This is a schematic diagram of the overall structure proposed in this utility model from another perspective; Figure 3 This is a three-dimensional schematic diagram of the working state of the top wheel device proposed in this utility model; Figure 4 This is a three-dimensional schematic diagram of the top wheel device proposed in this utility model; Figure 5 This is a three-dimensional schematic diagram of the guide rail state proposed in this utility model.
[0012] The following are the components listed in the diagram: 1. Base; 2. Guide rail; 3. Support seat; 4. Pump station; 5. Hydraulic cylinder; 6. Pin; 7. Connecting rope; 8. Cylinder support arm; 9. Hook plate; 10. Connecting seat; 11. Main rod; 12. Adjusting rod; 13. Foot seat; 14. Ratchet; 15. Spring; 16. Control block. Detailed Implementation
[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0014] Example: See Figures 1 to 5 This utility model discloses a track wheel top wheel device, comprising a pump station 4 mounted on a base 1, a hydraulic cylinder 5 connected to the pump station 4, the telescopic end of the hydraulic cylinder 5 abutting against a track wheel located on a guide rail 2, and the guide rail 2 mounted on a support 3 on the base 1. Connecting components for limiting the position of the hydraulic cylinder 5 are provided on both sides of the hydraulic cylinder 5, and a support component is mounted on the hydraulic cylinder 5. Through the cooperation of the support component and the connecting component, it is convenient to push the track wheel of the hydraulic cylinder 5 for installation and removal. An oil pipe is connected to one side of the hydraulic cylinder 5, and the other end of the oil pipe is connected to the pump station 4. Two supports are mounted on both ends of one side of the hydraulic cylinder 5. The hydraulic cylinder base has cylinder support arms 8 hinged to both ends on the other side of the hydraulic cylinder 5. The hydraulic cylinder base has a sliding groove, which guides the connecting rope 7 through the cylinder support arms 8 to prevent the connecting rope 7 from getting tangled. The connecting assembly includes connecting ropes 7 on both sides of the hydraulic cylinder 5. Both ends of the connecting rope 7 are connected to chain rings. The other ends of the chain rings are respectively connected to hook plates 9 and pins 6. The pins 6 slide in the sliding grooves. The hook plates 9 are engaged with the guide rails 2. The cooperation between the hook plates 9 and the guide rails 2 facilitates the provision of a reverse force when the hydraulic cylinder 5 is working, thereby stabilizing the hydraulic cylinder 5 and preventing it from sliding.
[0015] In this invention, the connecting rope 7 passes through two hydraulic cylinder support arms 8 respectively, and the hydraulic cylinder support arms 8 facilitate the guidance of the connecting rope 7 to prevent it from getting tangled on the output shaft of the hydraulic cylinder 5; the support assembly includes a connecting seat 10 installed on the lower end of one side of the hydraulic cylinder 5, and a main rod 11 is dampedly hinged to the lower end of the connecting seat 10. A groove is opened on the upper part of the main rod 11, and a ratchet plate 14 is slidably connected in the groove. Multiple springs 15 are equidistantly installed on one side of the ratchet plate 14, and the other end of the springs 15 is connected to the main rod 11. On the rod 11, the spring 15 cooperates with the ratchet plate 14 to facilitate the ratchet plate 14 to automatically limit the adjustment rod 12; a control block 16 is connected to the middle of one side of the ratchet plate 14, one side of the control block 16 passes through the main rod 11, and the adjustment rod 12 is slidably connected to the other side of the main rod 11. The adjustment rod 12 has ratchet teeth that cooperate with the ratchet plate 14, and the lower end of the adjustment rod 12 is damped and hinged to a foot 13. Through the cooperation of the ratchet teeth and the ratchet plate 14, it is easy to prevent the adjustment rod 12 from rising automatically during use.
[0016] Working Principle: In the use of this utility model, firstly, the other side of the track wheel is clamped onto the already installed base 1 and guide rail 2. Then, the pump station 4 is installed on the base 1 and connected to the external oil storage tank. At the same time, one end of the connecting rope 7 in the connecting assembly is connected to the pin 6. Then, the other end of the connecting rope 7 is passed through the two hydraulic cylinder arms 8 that are movably hinged at both ends on the other side of the hydraulic cylinder 5, and then connected to the rear end of the hook plate 9, completing the installation preparation of the device. Next, the hook plate 9 is clamped onto the guide rail 2 on one side. The cooperation between the hook plate 9 and the guide rail 2 provides the subsequent... Hydraulic cylinder 5 provides a counterforce, which then lifts hydraulic cylinder 5 so that its output shaft abuts against one side of the track wheel. At this time, the support assembly is rotated to adjust it to be perpendicular to hydraulic cylinder 5. The lower end of the connecting seat 10 installed on the lower end of one side of hydraulic cylinder 5 in the support assembly is damped and hinged to a main rod 11. A slide groove is provided on the main rod 11, and a ratchet plate 14 is slidably connected in the slide groove. Multiple springs 15 are equidistantly installed on one side of the ratchet plate 14, and the other end is connected to the main rod 11. An adjusting rod 12 slidably connected to the other side of the main rod 11 has ratchet teeth that cooperate with the ratchet plate 14. The lower end of the adjusting rod 12 is damped and hinged to a foot. After the seat 13 is pulled down and the adjusting rod 12 is moved to the appropriate position, the adjusting rod 12 is self-locked by the ratchet and ratchet plate 14 under the push of the spring 15, and cannot rise automatically. At this time, the hydraulic cylinder 5 can be started. The pump station 4 provides stable pressure to the hydraulic cylinder 5 through the oil pipe to ensure its normal operation. After the hydraulic cylinder 5 is started, it generates thrust and presses down on one side of the track wheel. During this process, the sliding grooves opened on the hydraulic cylinder base on both sides of the hydraulic cylinder 5 allow the pin shaft 6 to slide in the grooves, and the cylinder support arm 8 continuously guides the connecting rope 7, effectively preventing the connecting rope 7 from getting tangled on the output shaft of the hydraulic cylinder 5. This ensures that the hydraulic cylinder 5 does not slip under the support of the reverse force, and finally the track wheel is smoothly installed on the two guide rails 2. After the track wheel is installed, the work is completed. At this time, the hook plate 9 that is stuck on the guide rail 2 and the pump station 4 installed on the base 1 can be removed in sequence. By pulling the control block 16 that passes through the main rod 11 on one side of the ratchet plate 14, the ratchet plate 14 and the ratchet tooth of the adjusting rod 12 are released from the limiting cooperation, the adjusting rod 12 is reset, the support assembly is folded under the hydraulic cylinder 5, and finally the hydraulic cylinder 5 and the connecting rope 7 are retrieved to complete the entire track wheel installation operation process.
[0017] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A top wheel device for track wheels, comprising a pump station (4) mounted on a base (1), characterized in that: The pump station (4) is connected to a hydraulic cylinder (5). The telescopic end of the hydraulic cylinder (5) abuts against the track wheel located on the guide rail (2). The guide rail (2) is mounted on the support seat (3) on the base (1). The hydraulic cylinder (5) is provided with connecting components on both sides for limiting the position of the hydraulic cylinder (5). The hydraulic cylinder (5) is also equipped with a support component.
2. The top wheel device for a track wheel according to claim 1, characterized in that: One side of the hydraulic cylinder (5) is connected to an oil pipe, and the other end of the oil pipe is connected to the pump station (4). A hydraulic cylinder base is installed at both ends of one side of the hydraulic cylinder (5), and a cylinder arm (8) is movably hinged at both ends of the other side of the hydraulic cylinder (5). A sliding groove is provided on the hydraulic cylinder base.
3. The top wheel device for a track wheel according to claim 1, characterized in that: The connecting assembly includes connecting ropes (7) located on both sides of the hydraulic cylinder (5). Both ends of the connecting ropes (7) are connected to chain rings. The other ends of the chain rings at both ends are connected to hook plates (9) and pins (6), respectively. The pins (6) slide in the sliding groove, and the hook plates (9) are engaged on the guide rail (2).
4. A top wheel device for a track wheel according to claim 3, characterized in that: The connecting rope (7) passes through the two cylinder arms (8).
5. A top wheel device for a track wheel according to claim 1, characterized in that: The support assembly includes a connecting seat (10) installed on the lower end of one side of the hydraulic cylinder (5). The lower end of the connecting seat (10) is damped and hinged to a main rod (11). A sliding groove is provided on the upper part of the main rod (11). A ratchet plate (14) is slidably connected in the sliding groove. A plurality of springs (15) are equidistantly installed on one side of the ratchet plate (14). The other end of the springs (15) is connected to the main rod (11).
6. A top wheel device for a track wheel according to claim 5, characterized in that: A control block (16) is connected to the middle of one side of the ratchet plate (14). One side of the control block (16) passes through the main rod (11). An adjusting rod (12) is slidably connected to the other side of the main rod (11). The adjusting rod (12) has ratchet teeth that cooperate with the ratchet plate (14). The lower end of the adjusting rod (12) is damped and hinged to a foot (13).