Special polishing cantilever for steel rail polishing vehicle

Abstract

The utility model discloses a special polishing cantilever for a steel rail polishing vehicle and relates to the technical field of rail transit. The problems that manual operation is adopted in an existing steel rail polishing technology, manual polishing wastes time and labor, only some key parts can be polished, the whole polishing process cannot be achieved, and then the polishing efficiency is low are solved. The supporting arm of the structure is installed on the grinding wagon, the transverse driving motor can be controlled through the central controller, transverse movement of the grinding device on the transverse moving bottom plate is achieved, and the grinding device is made to be close to a ground rail; a central controller is combined to control a vertical driving motor, so that a grinding wheel at the output end of a grinding driving motor on a vertical moving bottom plate continuously gets close to the outer surface of the ground rail, and finally, the rotating speed of the grinding wheel is controlled through the central controller; and finally, the grinding wagon runs on the rail at a constant speed to drive the grinding device to move so as to grind the ground rail in the whole process. The track polishing device is suitable for the technical field of track polishing.

Description

Technical Field

[0001] This utility model relates to the field of rail transit technology, specifically to a special grinding cantilever for a rail grinding vehicle. Background Technology

[0002] Rail grinding, as an important method in railway track maintenance, has been widely used abroad, generating significant economic benefits. However, its application in my country is not optimistic. This is partly due to the lack of modern grinding equipment, such as fully automated high-speed grinding machines. Since the 1930s, foreign railway inspection departments have used grinding methods to eliminate railhead defects such as ripples, wear, and spalling. Early rail grinding was done manually, which was inefficient and costly, and was only implemented in certain critical areas. Another reason is our lack of full understanding of the significant advantages of this grinding method.

[0003] In summary, existing rail grinding technology relies on manual operation, which is time-consuming and labor-intensive. Furthermore, it can only grind certain critical areas and cannot grind the entire rail, resulting in low grinding efficiency. Utility Model Content

[0004] This invention addresses the problem that existing rail grinding technology relies on manual operation, which is time-consuming and labor-intensive, and can only grind certain key areas, not the entire rail, resulting in low grinding efficiency. Therefore, a special grinding cantilever for rail grinding vehicles is proposed.

[0005] This utility model discloses a special grinding cantilever for a rail grinding vehicle, which comprises a support arm 1, a transverse guide rail 2, a transverse drive screw 3, a transverse moving base plate 4, a transverse slider 5, a transverse drive motor 6, a vertical drive motor 7, a vertical slider 8, a vertical moving base plate 9, a grinding drive motor 10, a grinding wheel 11, a vertical drive screw 12, a vertical guide rail 13, a corner motor 14, and a rotating base plate 15.

[0006] A pair of transverse guide rails 2 are provided along the length of the side of the support arm 1. Each transverse guide rail 2 is provided with a transverse slider 5. The back of the transverse moving base plate 4 is slidably connected to the transverse guide rails 2 through the transverse sliders 5. A transverse drive screw 3 is provided between the two transverse guide rails 2, and the two ends of the transverse drive screw 3 are connected to the side of the support arm 1 through supports. A screw slider is provided on the transverse drive screw 3, and the front of the screw slider is fixedly connected to the center of the back of the transverse moving base plate 4. The end of the transverse drive screw 3 is connected to the output end of the transverse drive motor 6 through a coupling. A rotary motor 14 is provided on the front of the transverse moving base plate 4. A rotating base plate 15 is provided on the turntable of the rotary motor 14. A pair of vertical guide rails 13 are provided along the width direction. Each vertical guide rail 13 is provided with a vertical slider 8. The back of the vertical moving base plate 9 is slidably connected to the vertical guide rail 13 through the vertical slider 8. A vertical drive screw 12 is provided between the two vertical guide rails 13. The two ends of the vertical drive screw 12 are connected to the front of the rotating base plate 15 through the support. The end of the vertical drive screw 12 is connected to the output shaft of the vertical drive motor 7 through the coupling. A screw slider is provided on the vertical drive screw 12. The back center of the vertical moving base plate 9 is fixedly connected to the front of the screw slider. A grinding drive motor 10 is provided on the front of the vertical moving base plate 9. A grinding wheel 11 is fixed on the output shaft of the grinding drive motor 10.

[0007] Furthermore, the lateral drive motor 6 is fixedly connected to the support arm 1 via a motor mount;

[0008] Furthermore, the vertical drive motor 7 is fixedly connected to the rotating base plate 15 via a motor mount;

[0009] Furthermore, the corner motor 14 is fixedly connected to the transverse moving base plate 4 via a motor mount;

[0010] Furthermore, a central controller is provided on the side of the support arm 1. The central controller is used to control the start and stop of the horizontal drive motor 6, the vertical drive motor 7, the corner motor 14 and the grinding drive motor 10.

[0011] Furthermore, the central controller is a miniature Siemens PLC controller;

[0012] Furthermore, the two transverse guide rails 2 and the transverse drive screw 3 are arranged in parallel.

[0013] Furthermore, the two vertical guide rails 13 and the vertical drive screw 12 are arranged in parallel.

[0014] Furthermore, both the horizontal drive motor 6 and the vertical drive motor 7 are servo motors;

[0015] Furthermore, in use, the device is fixed to the body of a moving grinding car. The grinding car moves at a constant speed on the rails, driving the grinding device to move. Based on the actual distance between the rail to be ground and the moving grinding car, a pair of transverse guide rails 2 are provided on the side of the support arm 1 along the length direction. Each transverse guide rail 2 is provided with a transverse slider 5. The back of the transverse moving base plate 4 is slidably connected to the transverse guide rails 2 through the transverse sliders 5. A transverse drive screw 3 is provided between the two transverse guide rails 2, and the two ends of the transverse drive screw 3 are connected to the side of the support arm 1 through the support. A screw slider is provided on the transverse drive screw 3, and the front of the screw slider is fixedly connected to the center of the back of the transverse moving base plate 4. The end of the transverse drive screw 3 is connected to the output end of the transverse drive motor 6 through a coupling. In fact, the transverse drive motor 6 can be controlled by the central controller, so that the transverse drive motor 6 drives the transverse drive screw 3 to rotate, thereby causing the screw slider to move along the transverse drive screw 3, and thus driving the grinding device on the transverse moving base plate 4 to move laterally, so that the grinding device is close to the rail to be ground.

[0016] Based on the actual height between the grinding wheel 11 of the grinding device and the upper surface of the rail being ground, a pair of vertical guide rails 13 are provided along the width direction on the front of the rotating base plate 15. Each vertical guide rail 13 is equipped with a vertical slider 8. The back of the vertical moving base plate 9 is slidably connected to the vertical guide rails 13 through the vertical sliders 8. A vertical drive screw 12 is provided between the two vertical guide rails 13. The two ends of the vertical drive screw 12 are connected to the front of the rotating base plate 15 through supports. The end of the vertical drive screw 12 is connected to the output shaft of the vertical drive motor 7 through a coupling. A screw slider is provided on the vertical drive screw 12. The center of the back of the vertical moving base plate 9 is fixedly connected to the front of the screw slider. The central controller is then used to control the vertical drive motor 7 to make the vertical drive screw 12 slid into the vertical rail. The drive motor 7 drives the vertical drive screw 12 to rotate, thereby causing the screw slider to move vertically along the vertical drive screw 12. This, in turn, drives the grinding wheel 11 on the output end of the grinding drive motor 10 on the vertical moving base plate 9 to continuously approach the outer surface of the rail being ground. Finally, the central controller controls the start and stop of the grinding drive motor 10. The output shaft of the grinding drive motor 10 rotates, driving the grinding wheel 11 to rotate at high speed. Combined with the grinding carriage moving at a constant speed on the rail, the grinding device moves to achieve full-process grinding of the rail. Furthermore, the angle motor 14 is used to adjust the swing angle of the grinding wheel 11 on the output end of the grinding drive motor 10, which can cover the grinding angle of the rail in all directions, with a coverage angle of -75° to 60°.

[0017] Compared with the prior art, the present invention has the following advantages:

[0018] This invention overcomes the shortcomings of existing technologies. The support arm of this structure is mounted on a grinding vehicle. A central controller can control the lateral drive motor, causing it to rotate the lateral drive screw. This causes the screw slider to move along the lateral drive screw, thereby moving the grinding device on the lateral moving base plate laterally, bringing the grinding device closer to the rail being ground. Furthermore, the central controller controls the vertical drive motor, causing it to rotate the vertical drive screw. This causes the screw slider to move vertically along the vertical drive screw, thereby moving the grinding device on the vertical moving base plate... The grinding wheel on the output end of the grinding drive motor continuously approaches the outer surface of the rail being ground. The central controller controls the start and stop of the grinding drive motor. The output shaft of the grinding drive motor rotates, driving the grinding wheel to rotate at high speed. Finally, the grinding carriage moves at a constant speed on the rail, moving the grinding device to achieve full-process grinding of the rail. Compared with manual grinding, this greatly improves grinding efficiency. It adopts a two-set screw and slide rail structure, which has the characteristics of high precision, high efficiency, low friction, strong load-bearing capacity and long service life, effectively extending the service life of the device.

[0019] This invention also utilizes a rotary motor to adjust the swing angle of the grinding wheel at the output end of the grinding drive motor, enabling full coverage of the grinding angle of the rail being ground, ranging from -75° to 60°, thus improving the grinding effect on the rail. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural schematic diagram of a special grinding cantilever for a rail grinding vehicle as described in this utility model. Detailed Implementation

[0021] Specific implementation method one: Combining Figure 1 This embodiment describes a special grinding cantilever for a rail grinding vehicle, comprising a support arm 1, a transverse guide rail 2, a transverse drive screw 3, a transverse moving base plate 4, a transverse slider 5, a transverse drive motor 6, a vertical drive motor 7, a vertical slider 8, a vertical moving base plate 9, a grinding drive motor 10, a grinding wheel 11, a vertical drive screw 12, a vertical guide rail 13, a corner motor 14, and a rotating base plate 15.

[0022] A pair of transverse guide rails 2 are provided along the length of the side of the support arm 1. Each transverse guide rail 2 is provided with a transverse slider 5. The back of the transverse moving base plate 4 is slidably connected to the transverse guide rails 2 through the transverse sliders 5. A transverse drive screw 3 is provided between the two transverse guide rails 2, and the two ends of the transverse drive screw 3 are connected to the side of the support arm 1 through supports. A screw slider is provided on the transverse drive screw 3, and the front of the screw slider is fixedly connected to the center of the back of the transverse moving base plate 4. The end of the transverse drive screw 3 is connected to the output end of the transverse drive motor 6 through a coupling. A rotary motor 14 is provided on the front of the transverse moving base plate 4. A rotating base plate 15 is provided on the turntable of the rotary motor 14. A pair of vertical guide rails 13 are provided along the width direction. Each vertical guide rail 13 is provided with a vertical slider 8. The back of the vertical moving base plate 9 is slidably connected to the vertical guide rail 13 through the vertical slider 8. A vertical drive screw 12 is provided between the two vertical guide rails 13. The two ends of the vertical drive screw 12 are connected to the front of the rotating base plate 15 through the support. The end of the vertical drive screw 12 is connected to the output shaft of the vertical drive motor 7 through the coupling. A screw slider is provided on the vertical drive screw 12. The back center of the vertical moving base plate 9 is fixedly connected to the front of the screw slider. A grinding drive motor 10 is provided on the front of the vertical moving base plate 9. A grinding wheel 11 is fixed on the output shaft of the grinding drive motor 10.

[0023] In this specific embodiment, the device is fixed to the body of a moving grinding car. The grinding car moves at a constant speed on the rail, driving the grinding device to move. Based on the actual distance between the rail to be ground and the moving grinding car, a pair of transverse guide rails 2 are provided on the side of the support arm 1 along the length direction. Each transverse guide rail 2 is provided with a transverse slider 5. The back of the transverse moving base plate 4 is slidably connected to the transverse guide rail 2 through the transverse slider 5. A transverse drive screw 3 is provided between the two transverse guide rails 2, and the two ends of the transverse drive screw 3 are connected to the side of the support arm 1 through the support. The transverse drive screw 3 is provided with a screw slider, and the front of the screw slider is fixedly connected to the center of the back of the transverse moving base plate 4. The end of the transverse drive screw 3 is connected to the output end of the transverse drive motor 6 through a coupling. In fact, the transverse drive motor 6 can be controlled by the central controller, so that the transverse drive motor 6 drives the transverse drive screw 3 to rotate, thereby causing the screw slider to move along the transverse drive screw 3, and thus driving the grinding device on the transverse moving base plate 4 to move laterally, so that the grinding device is close to the rail to be ground.

[0024] Based on the actual height between the grinding wheel 11 of the grinding device and the upper surface of the rail being ground, a pair of vertical guide rails 13 are provided along the width direction on the front of the rotating base plate 15. Each vertical guide rail 13 is equipped with a vertical slider 8. The back of the vertical moving base plate 9 is slidably connected to the vertical guide rails 13 through the vertical sliders 8. A vertical drive screw 12 is provided between the two vertical guide rails 13. The two ends of the vertical drive screw 12 are connected to the front of the rotating base plate 15 through supports. The end of the vertical drive screw 12 is connected to the output shaft of the vertical drive motor 7 through a coupling. A screw slider is provided on the vertical drive screw 12. The center of the back of the vertical moving base plate 9 is fixedly connected to the front of the screw slider. The central controller is then used to control the vertical drive motor 7 to make the vertical drive screw 12 slid into the vertical rail. The drive motor 7 drives the vertical drive screw 12 to rotate, thereby causing the screw slider to move vertically along the vertical drive screw 12. This, in turn, drives the grinding wheel 11 on the output end of the grinding drive motor 10 on the vertical moving base plate 9 to continuously approach the outer surface of the rail being ground. Finally, the central controller controls the start and stop of the grinding drive motor 10. The output shaft of the grinding drive motor 10 rotates, driving the grinding wheel 11 to rotate at high speed. Combined with the grinding carriage moving at a constant speed on the rail, the grinding device moves to achieve full-process grinding of the rail. Furthermore, the angle motor 14 is used to adjust the swing angle of the grinding wheel 11 on the output end of the grinding drive motor 10, which can cover the grinding angle of the rail in all directions, with a coverage angle of -75° to 60°.

[0025] Specific Implementation Method Two: Combining Figure 1 This embodiment further defines the special cantilever described in Specific Embodiment 1. The special grinding cantilever for a rail grinding vehicle described in this embodiment has a lateral drive motor 6 fixedly connected to the support arm 1 via a motor mount.

[0026] Specific implementation method three: Combining Figure 1 This embodiment further defines the special cantilever described in Specific Embodiment 1. The special grinding cantilever for a rail grinding vehicle described in this embodiment has a vertical drive motor 7 fixedly connected to the rotating base plate 15 via a motor mount.

[0027] Specific implementation method four: Combination Figure 1 This embodiment further defines the special cantilever described in Specific Embodiment 1. The special grinding cantilever for a rail grinding vehicle described in this embodiment has the corner motor 14 fixedly connected to the transverse moving base plate 4 via a motor mount.

[0028] Specific Implementation Method Five: Combining Figure 1This embodiment further defines the special cantilever described in Specific Embodiment 1. The special grinding cantilever for a rail grinding vehicle described in this embodiment has a central controller on the side of the arm 1. The central controller is used to control the start and stop of the horizontal drive motor 6, the vertical drive motor 7, the corner motor 14 and the grinding drive motor 10.

[0029] Specific Implementation Method Six: Combination Figure 1 This embodiment further defines the special cantilever described in Specific Embodiment Five. The special grinding cantilever for a rail grinding vehicle described in this embodiment uses a micro Siemens PLC controller as the central controller.

[0030] Specific implementation method seven: Combination Figure 1 This embodiment further defines the special cantilever described in Specific Embodiment 1. The special grinding cantilever for a rail grinding vehicle described in this embodiment has two transverse guide rails 2 and a transverse drive screw 3 arranged in parallel.

[0031] Specific implementation method eight: Combination Figure 1 This embodiment further defines the special cantilever described in Specific Embodiment 1. The special grinding cantilever for a rail grinding vehicle described in this embodiment has two vertical guide rails 13 and a vertical drive screw 12 arranged in parallel.

[0032] Specific Implementation Method Nine: Combining Figure 1 This embodiment further defines the special cantilever described in Specific Embodiment 1. In this embodiment, a special grinding cantilever for a rail grinding vehicle is described, wherein both the horizontal drive motor 6 and the vertical drive motor 7 are servo motors.

[0033] Working principle

[0034] In use, the device is fixed to the body of a moving grinding car. The grinding car moves at a constant speed on the rails, driving the grinding device to move. Based on the actual distance between the rail to be ground and the moving grinding car, a pair of transverse guide rails 2 are provided on the side of the support arm 1 along the length direction. Each transverse guide rail 2 is provided with a transverse slider 5. The back of the transverse moving base plate 4 is slidably connected to the transverse guide rails 2 through the transverse sliders 5. A transverse drive screw 3 is provided between the two transverse guide rails 2, and the two ends of the transverse drive screw 3 are connected to the side of the support arm 1 through the support. A screw slider is provided on the transverse drive screw 3, and the front of the screw slider is fixedly connected to the center of the back of the transverse moving base plate 4. The end of the transverse drive screw 3 is connected to the output end of the transverse drive motor 6 through a coupling. In fact, the transverse drive motor 6 can be controlled by the central controller, so that the transverse drive motor 6 drives the transverse drive screw 3 to rotate, thereby causing the screw slider to move along the transverse drive screw 3, and thus driving the grinding device on the transverse moving base plate 4 to move laterally, so that the grinding device is close to the rail to be ground.

[0035] Based on the actual height between the grinding wheel 11 of the grinding device and the upper surface of the rail being ground, a pair of vertical guide rails 13 are provided along the width direction on the front of the rotating base plate 15. Each vertical guide rail 13 is equipped with a vertical slider 8. The back of the vertical moving base plate 9 is slidably connected to the vertical guide rails 13 through the vertical sliders 8. A vertical drive screw 12 is provided between the two vertical guide rails 13. The two ends of the vertical drive screw 12 are connected to the front of the rotating base plate 15 through supports. The end of the vertical drive screw 12 is connected to the output shaft of the vertical drive motor 7 through a coupling. A screw slider is provided on the vertical drive screw 12. The center of the back of the vertical moving base plate 9 is fixedly connected to the front of the screw slider. The central controller is then used to control the vertical drive motor 7 to make the vertical drive screw 12 slid into the vertical rail. The drive motor 7 drives the vertical drive screw 12 to rotate, thereby causing the screw slider to move vertically along the vertical drive screw 12. This, in turn, drives the grinding wheel 11 on the output end of the grinding drive motor 10 on the vertical moving base plate 9 to continuously approach the outer surface of the rail being ground. Finally, the central controller controls the start and stop of the grinding drive motor 10. The output shaft of the grinding drive motor 10 rotates, driving the grinding wheel 11 to rotate at high speed. Combined with the grinding carriage moving at a constant speed on the rail, the grinding device moves to achieve full-process grinding of the rail. Furthermore, the angle motor 14 is used to adjust the swing angle of the grinding wheel 11 on the output end of the grinding drive motor 10, which can cover the grinding angle of the rail in all directions, with a coverage angle of -75° to 60°.

Claims

1. A special grinding cantilever for a rail grinding vehicle, characterized in that: It includes a support arm (1), a transverse guide rail (2), a transverse drive screw (3), a transverse moving base plate (4), a transverse slider (5), a transverse drive motor (6), a vertical drive motor (7), a vertical slider (8), a vertical moving base plate (9), a grinding drive motor (10), a grinding wheel (11), a vertical drive screw (12), a vertical guide rail (13), a corner motor (14), and a rotating base plate (15). A pair of transverse guide rails (2) are provided on the side of the support arm (1) along the length direction. Each transverse guide rail (2) is provided with a transverse slider (5). The back of the transverse moving base plate (4) is slidably connected to the transverse guide rails (2) through the transverse sliders (5). A transverse drive screw (3) is provided between the two transverse guide rails (2). The two ends of the transverse drive screw (3) are connected to the side of the support arm (1) through the support. A screw slider is provided on the transverse drive screw (3). The front of the screw slider is fixedly connected to the center of the back of the transverse moving base plate (4). The end of the transverse drive screw (3) is connected to the output end of the transverse drive motor (6) through the coupling. A rotary motor (14) is provided on the front of the transverse moving base plate (4). A rotating base plate (15) is provided on the turntable of the rotary motor (14). A pair of vertical guide rails (13) are provided on the front side along the width direction. Each vertical guide rail (13) is provided with a vertical slider (8). The back side of the vertical moving base plate (9) is slidably connected to the vertical guide rails (13) through the vertical sliders (8). A vertical drive screw (12) is provided between the two vertical guide rails (13). The two ends of the vertical drive screw (12) are connected to the front side of the rotating base plate (15) through the support. The end of the vertical drive screw (12) is connected to the output shaft of the vertical drive motor (7) through the coupling. A screw slider is provided on the vertical drive screw (12). The back center of the vertical moving base plate (9) is fixedly connected to the front side of the screw slider. A grinding drive motor (10) is provided on the front side of the vertical moving base plate (9). A grinding wheel (11) is fixed on the output shaft of the grinding drive motor (10).

2. The special grinding cantilever for a rail grinding vehicle according to claim 1, characterized in that: The horizontal drive motor (6) is fixedly connected to the support arm (1) via a motor mount.

3. The special grinding cantilever for a rail grinding vehicle according to claim 1, characterized in that: The vertical drive motor (7) is fixedly connected to the rotating base plate (15) via a motor mount.

4. The special grinding cantilever for a rail grinding vehicle according to claim 1, characterized in that: The corner motor (14) is fixedly connected to the transverse moving base plate (4) via a motor mount.

5. A special grinding cantilever for a rail grinding vehicle according to claim 1, characterized in that: The arm (1) is equipped with a central controller on its side. The central controller is used to control the start and stop of the horizontal drive motor (6), the vertical drive motor (7), the corner motor (14) and the grinding drive motor (10).

6. A special grinding cantilever for a rail grinding vehicle according to claim 5, characterized in that: The central controller is a miniature Siemens PLC controller.

7. A special grinding cantilever for a rail grinding vehicle according to claim 1, characterized in that: The two transverse guide rails (2) and the transverse drive screw (3) are arranged in parallel.

8. A special grinding cantilever for a rail grinding vehicle according to claim 1, characterized in that: The two vertical guide rails (13) and the vertical drive screw (12) are arranged in parallel.

9. A special grinding cantilever for a rail grinding vehicle according to claim 1, characterized in that: Both the horizontal drive motor (6) and the vertical drive motor (7) mentioned above are servo motors.

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