Auxiliary equipment for track defect maintenance

By designing auxiliary equipment for track defect maintenance, using six-degree of freedom robotic arms and a variety of detection equipment, the automatic detection and repair of track defects is achieved, and the problem of inefficient maintenance in the existing technology is solved and the maintenance efficiency and quality is improved.

CN222834670UActive Publication Date: 2025-05-06ZHEJIANG SHUYU TRANSPORTATION TECH CO LTD
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Patent Information

Application Number
CN202421807704.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-29
Publication Date
2025-05-06
Estimated Expiration
2034-07-29

AI Technical Summary

Technical Problem

In the prior art, track maintenance efficiency is low, mainly due to manual handheld testing and maintenance, resulting in low efficiency.

Method used

An auxiliary equipment for track defect maintenance was designed, and a six-degree of freedom robot arm combined with detection equipment such as lidar, high-definition camera and ultrasonic sound detector were used to realize automatic detection and precise repair of track defects.

Benefits of technology

Through automated inspection and repair, the efficiency of track maintenance is significantly improved, track defects can be accurately identified and positioned, and maintenance quality can be ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses auxiliary equipment for track defect maintenance, relates to the technical field of track maintenance, and aims to solve the problem that the maintenance efficiency is low due to the fact that most of track maintenance is carried out through manual hand holding in the prior art. The auxiliary equipment comprises a rack, and two ends of the rack are respectively provided with two moving wheels for driving the rack to move; an adjusting shaft is rotationally arranged in the rack, the surface of the adjusting shaft is sleeved with a triangular support, six-degree-of-freedom mechanical arms are fixed to the three ends of the triangular support respectively, a grinding machine, a welding machine and a fastener mounting machine which are used for maintaining a rail are arranged at the output ends of the three six-degree-of-freedom mechanical arms respectively, and an adjusting assembly is arranged between the rack and the adjusting shaft. The adjusting assembly is used for adjusting the required six-degree-of-freedom mechanical arm downwards; through precise control of the six-degree-of-freedom mechanical arm and in combination with detection equipment such as a laser radar, a high-definition camera and an ultrasonic sound detector, track defects can be accurately recognized and positioned.
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Description

Technical Field

[0001] The utility model belongs to the technical field of track maintenance, in particular to an auxiliary device for repairing track defects. Background Art

[0002] Rail transit is a public transportation system that runs on fixed tracks, usually consisting of trains or trams. It includes subways, light rails, trams and other forms. It provides fast, efficient and safe urban transportation services by running on predetermined tracks. Rail transit has the characteristics of segmented operation, large transportation capacity, low energy consumption and environmental protection. It can effectively alleviate urban traffic congestion and provide a convenient and fast way of travel. Tracks are the infrastructure of the rail transit system. Regular inspection and maintenance of tracks can ensure the safety of tracks. Damaged tracks may cause train derailment or other accidents, posing a threat to the safety of passengers and staff. The flatness and geometry of the tracks have an important impact on the operating efficiency of the train. Regular inspection and maintenance can ensure that the flatness and geometry of the tracks meet the standards, reduce the shaking and energy consumption of the train, and improve the operating efficiency.

[0003] In the field of rail transit, track wear and tear is mainly manifested in wear, corrosion, track breakage caused by uneven stress, etc. Track maintenance in existing technologies is mostly performed by manual handheld inspection and maintenance, resulting in low maintenance efficiency.

[0004] In view of the above problems, the utility model document proposes an auxiliary device for repairing track defects. Utility Model Content

[0005] The purpose of the utility model is to provide an auxiliary device for track defect repair, which can accurately identify and locate track defects through the precise control of a six-degree-of-freedom robotic arm, combined with detection equipment such as laser radar, high-definition camera and ultrasonic sounder, thus solving existing technical problems.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] An auxiliary device for repairing track defects, comprising:

[0008] A frame, wherein two moving wheels are provided at both ends of the frame for driving the frame to move;

[0009] An adjusting shaft is rotated in the frame, a tripod is sleeved on the surface of the adjusting shaft, a six-degree-of-freedom mechanical arm is fixed at three ends of the tripod, a grinder, a welding machine and a fastener installation for repairing the track are respectively provided on the output ends of the three six-degree-of-freedom mechanical arms, an adjusting component is provided between the frame and the adjusting shaft, and the adjusting component is used to adjust the required six-degree-of-freedom mechanical arm downward;

[0010] The side end of the frame is provided with a detection component for detecting defects on the track;

[0011] A cleaning assembly, which is arranged at the side end of the frame and is used to clean the track surface during detection;

[0012] A lifting component is arranged between the frame and the cleaning component and is used to adjust the height of the cleaning component.

[0013] Optionally, the adjustment component includes a first groove opened in the frame, the adjustment shaft moves outward and passes through the first groove, a worm gear is fixed to the surface of the adjustment shaft, a worm meshing with the worm gear rotates in the first groove, a first drive motor is fixed to the side end of the frame, and the first drive motor is fixedly connected to the worm gear through a coupling.

[0014] Optionally, the adjustment component also includes a second groove opened in the adjustment shaft, a first threaded block slides in the second groove, an adjustment screw rotates in the second groove, the first threaded block is threadedly connected to the surface of the adjustment screw, the tripod is fixed to the side end of the first threaded block, a third drive motor is fixed to the side end of the adjustment shaft, and the third drive motor is fixedly connected to the adjustment screw through a coupling.

[0015] Optionally, the detection component includes an extension block fixed to the side end of the frame, and a laser radar, a high-definition camera and an ultrasonic detector are arranged in the extension block.

[0016] Optionally, the cleaning assembly includes an inverted U-frame provided at the lower side of the frame, a first rotating shaft rotates inside the inverted U-frame, a cleaning roller is fixed on the surface of the first rotating shaft, and a plurality of cleaning brushes are evenly fixed on the surface of the cleaning roller;

[0017] Wherein, a group of swing components is arranged in the inverted U frame, and the swing components are used to drive multiple cleaning brushes to perform swing cleaning.

[0018] Optionally, the swing assembly includes a rotating rod rotating on the side end of the inverted U-frame, a slider is fixed to the side end of the rotating rod, a second rotating shaft is rotatable at the side end of the inverted U-frame, a half-tooth gear is fixed to the surface of the second rotating shaft, a connecting rod is fixed to the surface of the half-tooth gear, a sliding groove is provided in the connecting rod, the slider slides in the sliding groove, the first rotating shaft moves outward, passes through the side end of the inverted U-frame and extends outward, and a driven gear meshing with the half-tooth gear is fixed to the surface of the first rotating shaft.

[0019] Optionally, the lifting assembly includes a fourth groove opened in the frame, two second threaded blocks sliding in the fourth groove, a bidirectional screw rod rotating in the fourth groove, the two second threaded blocks are respectively threadedly connected to the positive and negative threaded segments on the circumferential surface of the bidirectional screw rod, a fourth drive motor is fixed to the side end of the frame, the fourth drive motor is fixedly connected to the bidirectional screw rod through a coupling, the bottom ends of the two second threaded blocks are both rotated with support rods through hinge shafts, and the side ends of the two support rods are rotated to the top of the inverted U frame through hinge shafts.

[0020] Optionally, an obstacle avoidance radar is provided in the frame.

[0021] In the present application, the frame drives the frame to move by driving four moving wheels, the frame moves along the rail, and the track surface is detected by the laser radar, high-definition camera and ultrasonic sounder set at the side end of the extension block. When damage is detected, the frame starts the first drive motor to drive the worm to rotate according to the type of damage, and the worm drives the worm wheel to rotate when the worm rotates, and the worm wheel drives the adjustment shaft to rotate, and the adjustment shaft drives the corresponding six-degree-of-freedom mechanical arm to rotate and adjust to the lower side, and the rail is repaired by the repair device on the corresponding six-degree-of-freedom mechanical arm, and the third drive motor is started to drive the adjustment screw to rotate, and the rotation of the adjustment screw drives the tripod and the six-degree-of-freedom mechanical arm to move;

[0022] The second driving motor is started to drive the rotating rod to rotate, and the rotation of the rotating rod drives the slider to perform circular motion. The slider slides in the slide groove during circular motion, and the connecting rod is driven to perform relative displacement. The connecting rod drives the half-tooth gear to swing back and forth around the second rotating shaft, and the half-tooth gear drives the driven gear to swing, and the driven gear drives the first rotating shaft to swing, and the first rotating shaft drives the cleaning roller to swing, and the cleaning roller drives multiple cleaning brushes to swing to clean the rails.

[0023] In the utility model, the auxiliary equipment for repairing rail defects can achieve the effect of adjusting the required six-degree-of-freedom mechanical arm to a suitable position to repair the rails by adjusting the components;

[0024] In the utility model, the auxiliary equipment for repairing rail defects can achieve the effect of cleaning the rails while inspecting the rails through the cleaning components;

[0025] In this technical solution, a six-degree-of-freedom robotic arm, a detection component, a cleaning component, and a lifting component are integrated to realize automatic detection, cleaning, and repair of track defects, greatly improving work efficiency;

[0026] In this technical solution, through the precise control of the six-degree-of-freedom robotic arm, combined with detection equipment such as lidar, high-definition cameras and ultrasonic detectors, track defects can be accurately identified and located.

[0027] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 It is the main stereoscopic view in the utility model;

[0030] Figure 2 For the utility model Figure 1 A partial enlarged view of the middle A;

[0031] Figure 3 It is a rear perspective view in the utility model;

[0032] Figure 4 It is the first partial cross-sectional view in the utility model;

[0033] Figure 5 It is a second partial cross-sectional view in the utility model;

[0034] Figure 6 It is a partial stereogram of the present utility model.

[0035] In the figure: 1. frame; 2. moving wheel; 3. adjusting shaft; 4. tripod; 5. six-degree-of-freedom mechanical arm; 6. first groove; 7. first drive motor; 8. second groove; 9. inverted U-frame; 10. first rotating shaft; 11. cleaning roller; 12. driven gear; 13. second rotating shaft; 14. half-tooth gear; 15. connecting rod; 16. slide groove; 17. rotating rod; 18. slider; 19. third groove; 20. second drive motor; 21. third drive motor; 22. worm; 23. worm wheel; 24. adjusting screw; 25. first threaded block; 26. fourth groove; 27. second threaded block; 28. support rod; 29. ​​bidirectional screw; 30. fourth drive motor; 31. cleaning brush; 32. extension block. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] In the description of the present invention, it should be understood that the terms "opening", "upper", "middle", "length", "inside" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0038] In order to keep the following description of the embodiments of the present invention clear and concise, the present invention omits detailed descriptions of known functions and known components.

[0039] Embodiment 1

[0040] See also Figure 1-Figure 6 As shown, in this embodiment, an auxiliary device for repairing track defects is provided, a first groove 6 is provided inside the frame 1, an adjusting shaft 3 penetrates and is movably arranged therein, a worm wheel 23 is fixed on the surface of the adjusting shaft 3, and a worm 22 meshing with the worm wheel 23 is rotatably installed in the first groove 6. A first driving motor 7 is installed at the side end of the frame 1, and the motor is connected to the worm 22 through a coupling. By controlling the rotation of the first driving motor 7, the adjusting shaft 3 drives the corresponding six-degree-of-freedom mechanical arm 5 to rotate and adjust to the lower side, and the rail is repaired by the repair device on the corresponding six-degree-of-freedom mechanical arm 5;

[0041] Furthermore, a second groove 8 is provided inside the adjusting shaft 3, a first threaded block 25 is slidably arranged in the second groove 8, and an adjusting screw 24 is rotatably installed. The first threaded block 25 is threadedly connected with the adjusting screw 24, and the tripod 4 is fixed to the side end of the first threaded block 25. A third driving motor 21 is installed at the side end of the adjusting shaft 3, and the motor is connected to the adjusting screw 24 through a coupling, so as to realize precise adjustment of the tripod 4 and the six-degree-of-freedom mechanical arm 5 thereon in the horizontal direction;

[0042] The detection assembly includes an extension block 32 fixed to the side end of the frame 1, and the extension block 32 is integrated with a laser radar, a high-definition camera and an ultrasonic sounder. These devices work together to achieve all-round detection of track defects;

[0043] Furthermore, a high-performance computer is provided in the rack 1, equipped with AI algorithms and deep learning models, which can receive and analyze data collected and sent back by the laser radar, high-definition camera and ultrasonic sounder in real time, automatically identify and classify track defects, generate detailed inspection reports, and drive the adjustment components to adjust the appropriate six-degree-of-freedom robot arm 5 for maintenance;

[0044] Rack 1 is also equipped with a two-way wireless communication module, which can transmit detection data and receive remote commands in real time, support remote monitoring and operation, and even connect with the expert system of the track maintenance center to obtain higher-level decision-making and support.

[0045] Embodiment 2

[0046] Improved on the basis of embodiment 1: Refer to attached Figure 1 -Attached Figure 6 , an auxiliary device for track defect repair also includes a cleaning component, the cleaning component is designed to clean the track surface before inspection;

[0047] An inverted U-frame 9 is installed at the lower side of the frame 1, a first rotating shaft 10 is rotatably installed in the inverted U-frame 9, a cleaning roller 11 is fixed on the surface of the first rotating shaft 10, and a plurality of cleaning brushes 31 are evenly distributed on the cleaning roller 11;

[0048] The swing assembly is composed of a rotating rod 17, a slider 18, a second rotating shaft 13, a half-toothed gear 14, a connecting rod 15 and a driven gear 12. The rotating rod 17 is rotatably mounted on the side end of the inverted U frame 9 and driven by a second drive motor 20, which is fixed in the third groove 19. The half-toothed gear 14 and the driven gear 12 are meshed and driven to drive the cleaning roller 11 and the cleaning brush 31 to swing and clean;

[0049] The lifting assembly is used to adjust the height of the cleaning assembly to meet the needs of track maintenance at different heights. Specifically, a fourth groove 26 is opened in the frame 1, and two second threaded blocks 27 are slidably installed inside. A bidirectional screw rod 29 is rotatably installed in the fourth groove 26, and the two second threaded blocks 27 are respectively threadedly connected to the positive and negative thread segments of the bidirectional screw rod 29. A fourth drive motor 30 is installed at the side end of the frame 1, which is connected to the bidirectional screw rod 29 through a coupling to achieve synchronous or reverse movement of the two second threaded blocks 27, and then the height of the inverted U frame 9 and the cleaning assembly is adjusted through the support rod 28.

[0050] It should be noted that, in the description of this specification, descriptions such as "first", "second", etc. are merely used to distinguish between various features and have no actual order or directional meaning, and this application is not limited to this.

[0051] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0052] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An auxiliary device for repairing track defects, characterized in that: include: A frame (1), wherein two moving wheels (2) for driving the frame (1) to move are provided at both ends of the frame (1); An adjusting shaft (3) is rotatably arranged in the frame (1), a tripod (4) is sleeved on the surface of the adjusting shaft (3), three ends of the tripod (4) are fixed with six-degree-of-freedom mechanical arms (5), and output ends of the three six-degree-of-freedom mechanical arms (5) are respectively provided with a grinder, a welding machine and a fastener installation for repairing the track, and an adjusting component is arranged between the frame (1) and the adjusting shaft (3), and the adjusting component is used to adjust the required six-degree-of-freedom mechanical arms (5) downward; A detection component for detecting defects on the rail is provided at the side end of the frame (1); A cleaning component, which is arranged at a side end of the frame (1) and is used to clean the surface of the track during detection; A lifting component is provided between the frame (1) and the cleaning component and is used to adjust the height of the cleaning component.

2. The auxiliary equipment for track defect repair according to claim 1, characterized in that: The adjustment component comprises a first groove (6) provided in the frame (1); the adjustment shaft (3) moves outward and penetrates into the first groove (6); a worm wheel (23) is fixed on the surface of the adjustment shaft (3); a worm (22) meshing with the worm wheel (23) rotates in the first groove (6); a first drive motor (7) is fixed at the side end of the frame (1); and the first drive motor (7) is fixedly connected to the worm wheel (22) via a coupling.

3. The auxiliary equipment for track defect repair according to claim 2, characterized in that: The adjustment assembly further comprises a second groove (8) formed in the adjustment shaft (3), a first threaded block (25) slidingly arranged in the second groove (8), an adjustment screw (24) rotating in the second groove (8), the first threaded block (25) being threadedly connected to the surface of the adjustment screw (24), the tripod (4) being fixed to the side end of the first threaded block (25), a third drive motor (21) being fixed to the side end of the adjustment shaft (3), and the third drive motor (21) being fixedly connected to the adjustment screw (24) via a coupling.

4. The auxiliary equipment for repairing track defects as claimed in claim 2, characterized in that: The detection component comprises an extension block (32) fixed to the side end of the frame (1), and a laser radar, a high-definition camera and an ultrasonic sounder are arranged in the extension block (32).

5. An auxiliary device for repairing track defects according to any one of claims 1 to 4, characterized in that: The cleaning assembly comprises an inverted U-frame (9) arranged at the lower side of the frame (1), a first rotating shaft (10) rotating inside the inverted U-frame (9), a cleaning roller (11) being fixed on the surface of the first rotating shaft (10), and a plurality of cleaning brushes (31) being evenly fixed on the surface of the cleaning roller (11); Wherein, a group of swing components is arranged inside the inverted U frame (9), and the swing components are used to drive a plurality of cleaning brushes (31) to perform swing cleaning.

6. The auxiliary equipment for repairing track defects as claimed in claim 5, characterized in that: The swing assembly comprises a rotating rod (17) rotating on the side end of the inverted U frame (9), a slider (18) being fixed on the side end of the rotating rod (17), a second rotating shaft (13) rotating on the side end of the inverted U frame (9), a half-toothed gear (14) being fixed on the surface of the second rotating shaft (13), a connecting rod (15) being fixed on the surface of the half-toothed gear (14), a sliding groove (16) being provided in the connecting rod (15), the slider (18) sliding in the sliding groove (16), the first rotating shaft (10) moving outwardly through the side end of the inverted U frame (9) and extending outwardly, a driven gear (12) meshing with the half-toothed gear (14) being fixed on the surface of the first rotating shaft (10), a third groove (19) being provided in the inverted U frame (9), a second driving motor (20) being fixed in the third groove (19), and the second driving motor (20) being fixedly connected to the rotating rod (17) through a coupling.

7. The auxiliary equipment for repairing track defects as claimed in claim 5, characterized in that: The lifting assembly comprises a fourth groove (26) provided in the frame (1), two second threaded blocks (27) slidingly arranged in the fourth groove (26), a bidirectional screw rod (29) rotating in the fourth groove (26), the two second threaded blocks (27) respectively being threadedly connected to the positive and negative threaded sections on the circumferential surface of the bidirectional screw rod (29), a fourth drive motor (30) being fixedly connected to the side end of the frame (1), the fourth drive motor (30) being fixedly connected to the bidirectional screw rod (29) via a coupling, the bottom ends of the two second threaded blocks (27) being both provided with support rods (28) rotating via hinge shafts, and the side ends of the two support rods (28) being rotated on the top end of the inverted U frame (9) via hinge shafts.

8. The auxiliary equipment for track defect repair according to claim 1, characterized in that: An obstacle avoidance radar is arranged inside the frame (1).

Citation Information

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