Railway wheel tread detector
By designing a rotatable protective cover in the railway wheel tread detector to protect the laser sensor, the problem of laser sensors being susceptible to contamination in the prior art is solved, the measurement accuracy is improved and the maintenance process is simplified.
Patent Information
- Application Number
- CN202421530037.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-07-01
AI Technical Summary
The existing railway wheel tread detection device lacks a protective structure for laser sensor lenses, which leads to the laser sensor being easily contaminated by dust and impurities when not in use, affecting the measurement accuracy.
A railway wheel tread detector is designed, and a rotatable protective cover is used to protect the laser sensor. It is deployed to detect it when used by an electric push rod and a motor-driven protective cover. After the detection is completed, it is covered to protect the lens.
It effectively reduces the contamination of laser sensor lenses by dust impurities, improves measurement accuracy, and simplifies the disassembly and maintenance process of laser sensors.
Smart Images

Figure CN222646018U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rail transit detection, in particular to a railway wheel tread detector. Background Art
[0002] Railway wheels are key components of the running parts of rail trains. During the operation of rail trains, wheelsets often face complex mountainous terrain, huge cargo throughput, complex passenger traffic, and complex rainy and snowy weather environments, which often lead to severe wear between the wheelset treads and the rails. Therefore, in order to ensure the safe operation of rail trains, it is necessary to carry out regular inspections and maintenance of the service status of the wheel treads.
[0003] The existing utility model with announcement number CN217553918U discloses a wheelset tread detection device, comprising two guide rails arranged in parallel and a detection platform arranged on the outside of the guide rails and extending upward, a laser detection mechanism arranged on the detection platform, the laser detection mechanism is located above the guide rails and is used to detect the wheelset placed on the guide rails; a lifting device arranged on the inside of the guide rails is used to lift the wheelset for detection; a driving mechanism arranged between the guide rails and the detection platform is used to drive the lifted wheelset; the wheelset tread detection device provided by the utility model, the laser sensor can realize movable adjustment in the horizontal and vertical directions, thereby increasing the adjustability of the tread detection, the driving mechanism can slide laterally and longitudinally, and has good installation adaptability.
[0004] In the above technical solution, the inventors found that there are at least the following problems: there is a lack of a protective structure for the laser sensor lens. When the laser sensor is not in use, the laser sensor lens should be protected to avoid excessive dust and impurities adhering to the lens, which would cause the laser sensor's measurement accuracy to decrease. Therefore, how to design a railway wheel tread detector has become a problem that we currently need to solve. Utility Model Content
[0005] 1. Technical issues to be resolved
[0006] In view of the deficiencies in the prior art, the utility model provides a railway wheel tread detector to solve the problems mentioned in the above background technology.
[0007] (II) Technical solution
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a railway wheel tread detector, comprising a horizontal installation box arranged on a detection frame, a first electric push rod is fixedly installed inside the horizontal installation box, a vertical installation box is fixedly installed at the telescopic end of the first electric push rod, a second electric push rod is fixedly installed inside the vertical installation box, a device box is fixedly installed at the telescopic end of the second electric push rod, and a laser sensor is arranged at the bottom of the device box;
[0009] A third electric push rod is fixedly installed inside the equipment box, a lifting block is fixedly installed on the telescopic end of the third electric push rod, a motor is fixedly installed inside the lifting block, the output end of the motor is fixedly connected to a connecting plate via a connecting rod, and a protective cover compatible with the laser sensor is fixedly installed on one side of the connecting plate.
[0010] Preferably, an insert block is fixedly installed on the top of the laser sensor, a slot matched with the insert block is opened inside the equipment box, a spring is fixedly installed inside the equipment box, a moving block is fixedly installed on one end of the spring, a limit rod is fixedly penetrated inside the moving block, and a limit groove matched with the limit rod is opened inside the insert block.
[0011] Preferably, a sliding block is fixedly mounted on the top of the vertical installation box, and a sliding groove matching the sliding block is provided inside the detection frame.
[0012] Preferably, one end of the limiting rod passes through the outside of the equipment box and is fixedly connected with a pull ring.
[0013] Preferably, a rubber elastic pad is fixedly mounted on the inner wall of the protective cover.
[0014] Preferably, a side of the limiting rod away from the pull ring is provided with a slope inclined downward.
[0015] (III) Beneficial effects
[0016] The utility model provides a railway wheel tread detector, which has the following beneficial effects:
[0017] First: when in use, the third electric push rod can control the lifting block and the protective cover to move downward, so that the protective cover is separated from the laser sensor. The motor on the lifting block can drive the connecting plate and the protective cover to rotate 180 degrees through the connecting rod, so that the laser sensor can detect the tread of the wheel to be detected. After the detection is completed, the reverse operation is performed to cover the protective cover on the laser sensor. The protective cover can protect the laser sensor lens and reduce the adhesion of external dust and impurities to the lens.
[0018] Second: when the laser sensor needs to be removed for maintenance, just pull the pull ring, the pull ring can drive the limit rod to move, the limit rod can drive the moving block to squeeze the spring and separate from the limit groove, so that the staff can quickly remove the laser sensor for maintenance, the operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the front cross-sectional structure of the utility model;
[0021] Figure 3 For this utility model Figure 2 Enlarged structural diagram at A in the middle.
[0022] In the figure: 1. Horizontal installation box; 2. First electric push rod; 3. Vertical installation box; 4. Second electric push rod; 5. Equipment box; 6. Laser sensor; 7. Third electric push rod; 8. Lifting block; 9. Motor; 10. Connecting plate; 11. Protective cover; 12. Insert block; 13. Spring; 14. Moving block; 15. Limit rod; 16. Slider; 17. Pull ring; 18. Rubber elastic pad; 19. Inclined surface. DETAILED DESCRIPTION
[0023] 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 in 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.
[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element 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.
[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined.
[0026] like Figure 1-3 As shown, the utility model provides a technical solution: a railway wheel tread detector, comprising a horizontal installation box 1 arranged on a detection frame, a first electric push rod 2 is fixedly installed inside the horizontal installation box 1, a vertical installation box 3 is fixedly installed at the telescopic end of the first electric push rod 2, a slider 16 is fixedly installed on the top of the vertical installation box 3, a slide groove matched with the slider 16 is opened inside the detection frame, the slider 16 and the slide groove can limit the moving range of the vertical installation box 3, and at the same time can make the vertical installation box 3 move more smoothly.
[0027] Furthermore, a second electric push rod 4 is fixedly installed inside the vertical installation box 3 , a device box 5 is fixedly installed at the telescopic end of the second electric push rod 4 , and a laser sensor 6 is arranged at the bottom of the device box 5 .
[0028] Furthermore, a third electric push rod 7 is fixedly installed inside the equipment box 5, a lifting block 8 is fixedly installed at the telescopic end of the third electric push rod 7, a motor 9 is fixedly installed inside the lifting block 8, the output end of the motor 9 is fixedly connected to a connecting plate 10 through a connecting rod, and a protective cover 11 adapted to the laser sensor 6 is fixedly installed on one side of the connecting plate 10. A rubber elastic pad 18 is fixedly installed on the inner wall of the protective cover 11, and the rubber elastic pad 18 can prevent the protective cover 11 from hard contact with the laser sensor 6, causing the surface of the laser sensor 6 to be scratched.
[0029] Furthermore, an insert block 12 is fixedly installed on the top of the laser sensor 6, a slot adapted to the insert block 12 is opened inside the equipment box 5, a spring 13 is fixedly installed inside the equipment box 5, a moving block 14 is fixedly installed at one end of the spring 13, a limiting rod 15 is fixedly penetrated inside the moving block 14, and a limiting groove adapted to the limiting rod 15 is opened inside the insert block 12.
[0030] Furthermore, one end of the limit rod 15 passes through the outside of the equipment box 5 and is fixedly connected to a pull ring 17, which can facilitate the staff to pull the limit rod 15 to move. The limit rod 15 is provided with a downwardly inclined inclined surface 19 on the side away from the pull ring 17. When the laser sensor 6 is installed, the plug 12 on the laser sensor 6 can push the limit rod 15 to move through the inclined surface 19, so that the laser sensor 6 can be quickly connected to the equipment box 5.
[0031] The working process of the utility model is as follows: when in use, the wheel to be detected can be moved to the bottom of the detection frame, the first electric push rod 2 on the horizontal mounting box 1 can adjust the horizontal position of the vertical mounting box 3 and the laser sensor 6, the second electric push rod 4 can adjust the vertical position of the laser sensor 6, and then the third electric push rod 7 can control the lifting block 8 and the protective cover 11 to move downward, so that the protective cover 11 is separated from the laser sensor 6, and finally, the motor 9 on the lifting block 8 can drive the connecting plate 10 and the protective cover 11 to rotate one hundred and eighty degrees through the connecting rod, so that the laser sensor 6 can detect the tread of the wheel to be detected. After the detection is completed, the reverse operation is performed to cover the protective cover 11 on the laser sensor 6. The protective cover 11 can protect the lens of the laser sensor 6 to reduce the adhesion of external dust and impurities to the lens.
[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A railway wheel tread detector, comprising a transverse mounting box (1) arranged on a detection frame, characterized in that: A first electric push rod (2) is fixedly installed inside the horizontal installation box (1), a vertical installation box (3) is fixedly installed at the telescopic end of the first electric push rod (2), a second electric push rod (4) is fixedly installed inside the vertical installation box (3), a device box (5) is fixedly installed at the telescopic end of the second electric push rod (4), and a laser sensor (6) is arranged at the bottom of the device box (5); A third electric push rod (7) is fixedly installed inside the equipment box (5), a lifting block (8) is fixedly installed on the telescopic end of the third electric push rod (7), a motor (9) is fixedly installed inside the lifting block (8), an output end of the motor (9) is fixedly connected to a connecting plate (10) via a connecting rod, and a protective cover (11) adapted to the laser sensor (6) is fixedly installed on one side of the connecting plate (10).
2. A railway wheel tread detector according to claim 1, characterized in that: An insert block (12) is fixedly installed on the top of the laser sensor (6); a slot matched with the insert block (12) is provided inside the equipment box (5); a spring (13) is fixedly installed inside the equipment box (5); a moving block (14) is fixedly installed at one end of the spring (13); a limiting rod (15) is fixedly penetrated inside the moving block (14); and a limiting groove matched with the limiting rod (15) is provided inside the insert block (12).
3. A railway wheel tread detector according to claim 1, characterized in that: A sliding block (16) is fixedly mounted on the top of the vertical installation box (3), and a sliding groove matching the sliding block (16) is provided inside the detection frame.
4. A railway wheel tread detector according to claim 2, characterized in that: One end of the limiting rod (15) passes through the outside of the equipment box (5) and is fixedly connected to a pull ring (17).
5. The railway wheel tread detector according to claim 1, characterized in that: A rubber elastic pad (18) is fixedly mounted on the inner wall of the protective cover (11).
6. A railway wheel tread detector according to claim 4, characterized in that: A side of the limiting rod (15) away from the pull ring (17) is provided with a downwardly inclined inclined surface (19).
Citation Information
Patent Citations
Wheel set tread detection device
CN217553918U