Detection device for distance measurement in wheel pair

Abstract

The invention belongs to the technical field of tracks, and relates to a wheel pair distance measurement detection device which comprises a vehicle body, a rotating shaft A is rotatably arranged on the upper surface of the vehicle body, a fixing frame is fixedly connected to the top end of the rotating shaft A, a driving motor A is installed in the vehicle body, and gears A are arranged on an output shaft of the driving motor A and the surface of the rotating shaft A respectively. And the two gears A are in engaged connection. The in-wheel distance measurement detection device has the beneficial effects that through the arrangement of the fixing frame, the driving motors, the gear ring, the laser distance measurement instrument, the electric push rod, the pressure sensor and other structures, the position of the laser distance measurement instrument is adjusted by changing the position of the gear ring in the use process, and meanwhile the auxiliary work of the electric push rod and the pressure sensor is combined; the laser range finder can be accurately used for measuring the distance between the upper, lower, left and right sides of the wheel set, and the measuring efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the field of track technology, and in particular relates to a wheelset inner distance measurement detection device. Background Art

[0002] Wheelsets are key components of rail transit train running gear. They bear the dynamic and static loads between the train and the rails, as well as the harsh external environment, and are inevitably subject to wear and defects during service. Therefore, timely inspection is crucial to ensure the safe operation of rail transit trains. Currently, the inspection of the inside distance of train wheelsets relies primarily on manual measurement, which is subject to significant measurement errors and low efficiency. This can easily result in wheelsets operating with damage, posing a significant safety hazard. Summary of the Invention

[0003] The present invention provides a wheelset inner distance measurement detection device to solve the problems raised in the background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A wheelset inner distance detection device includes a vehicle body, a rotating shaft A is rotatably provided on the upper surface of the vehicle body, a top end of the rotating shaft A is fixedly connected to a fixing frame, a drive motor A is installed in the vehicle body, and a gear A is provided on the output shaft of the drive motor A and the surface of the rotating shaft A, respectively, and the two gears A are meshed and connected;

[0006] A bearing is embedded in the side of the fixing frame, and a rotating shaft B is provided in the bearing. A gear B is provided on the surface of the rotating shaft B. The gear B is meshed with a gear ring. The gear ring is a semi-annular structure, and an arc-shaped hole is opened on the surface of the gear ring. The gear ring is movably connected to the upper end of the fixing frame through the arc-shaped hole.

[0007] A drive motor B is installed on the side of the fixed frame through a mounting plate. The output shaft of the drive motor B is fixedly connected to one end of the rotating shaft B. Drive motors C are respectively provided on both sides of the inner surface of the gear ring, and laser rangefinders are respectively provided on the surfaces of the output shafts of the drive motors C.

[0008] As a further solution of the present invention: an electric push rod is provided on the inner surface of the gear ring, and a pressure sensor is provided on the top end of the electric push rod.

[0009] As a further solution of the present invention: a support ring is provided on the outer side of the rotating shaft A on the upper surface of the box body, a support ball is rotatably provided on the upper surface of the support ring, and the top of the support ball is overlapped with the lower surface of the fixing frame.

[0010] As a further solution of the present invention: the fixing frame is a U-shaped structure, and the upper end of the fixing frame is arranged as an arc surface.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. The wheelset internal distance measurement detection device is provided with a fixed frame, various drive motors, a ring gear, a laser rangefinder, an electric push rod and a pressure sensor. During use, the position of the laser rangefinder is adjusted by changing the position of the ring gear. At the same time, combined with the auxiliary work of the electric push rod and the pressure sensor, the laser rangefinder can be used to accurately measure the vertical and horizontal distances of the wheelset, thereby improving the measurement efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0015] Figure 2 It is a schematic diagram of the three-dimensional cross-sectional structure of the present invention;

[0016] Figure 3 It is a schematic structural diagram of the side view of the present invention;

[0017] Figure 4 Schematic diagram of the structure of the support ring in the present invention;

[0018] In the figure: 1. Vehicle body; 2. Rotating shaft A; 3. Fixed bracket; 4. Drive motor A; 5. Gear A; 6. Bearing; 7. Rotating shaft B; 8. Gear B; 9. Ring gear; 10. Mounting plate; 11. Drive motor B; 12. Drive motor C; 13. Laser rangefinder; 14. Electric push rod; 15. Pressure sensor; 16. Support ring; 17. Support ball. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Example

[0021] See also Figure 1-4 , the present invention provides the following technical solutions:

[0022] A wheelset inner distance detection device includes a vehicle body 1, a rotating shaft A2 is rotatably provided on the upper surface of the vehicle body 1, a fixing frame 3 is fixedly connected to the top of the rotating shaft A2, a drive motor A4 is installed in the vehicle body 1, and a gear A5 is provided on the output shaft of the drive motor A4 and the surface of the rotating shaft A2, and the two gears A5 are meshed and connected;

[0023] By means of the above structure or mechanism, when the driving motor A4 is working, the shaft A2 can be rotated through the transmission of the gears, thereby driving the fixing frame 3 to rotate, and further adjusting the position of the laser rangefinder 13 in the gear ring 9.

[0024] The side of the fixing frame 3 is inlaid with a bearing 6, and a rotating shaft B7 is provided in the bearing 6. A gear B8 is provided on the surface of the rotating shaft B7, and the gear B8 is meshed with a ring gear 9. The ring gear 9 is a semi-annular structure. An electric push rod 14 is provided on the inner surface of the ring gear 9. A pressure sensor 15 is provided on the top of the electric push rod 14. An arc-shaped hole is opened on the surface of the ring gear 9. The ring gear 9 is movably connected to the upper end of the fixing frame 3 through the arc-shaped hole. The fixing frame 3 is a square-shaped structure, and the upper end of the fixing frame 3 is provided with an arc surface.

[0025] By means of the above structure or mechanism: four electric push rods 14 are provided, and when the position of the ring gear 9 is adjusted, the adjustment can be coordinated with the pressure sensor 15. When the electric push rod 14 is working, the contact between the pressure sensor 15 and the axle can be controlled. If the values of the four pressure sensors 15 are different, further adjustments are made to facilitate the adjustment of the position of the laser rangefinder 13.

[0026] A drive motor B11 is installed on the side of the fixed frame 3 through the mounting plate 10. The output shaft of the drive motor B11 is fixedly connected to one end of the rotating shaft B7. Drive motors C12 are respectively provided on both sides of the inner surface of the ring gear 9. Laser rangefinders 13 are respectively provided on the surface of the output shaft of the drive motor C12. A support ring 16 is provided on the outer side of the rotating shaft A2 on the upper surface of the box body. A support ball 17 is rotatably provided on the upper surface of the support ring 16, and the top of the support ball 17 is overlapped with the lower surface of the fixed frame 3.

[0027] By means of the above-mentioned structure or mechanism: when the driving motor B11 is working, the ring gear 9 can be rotated through the transmission of the gear B8, and the position of the laser rangefinder 13 can be adjusted, so that during the rotation of the ring gear 9, the laser rangefinder 13 can realize the measurement work of the four positions of the upper, lower, left and right of the wheelset, and the support ball 17 is rotatably set in the groove opened on the upper surface of the support ring 16, which can realize the supporting effect on the fixed frame 3 and also facilitate the stable rotation of the fixed frame 3.

[0028] The working principle of the present invention is:

[0029] When in use, the staff can control the movement of the vehicle body 1. Through the control system, the staff can control the operation of structures such as the drive motor A4, the drive motor B11, the drive motor C12, the laser rangefinder 13 and the electric push rod 14. During the detection process, by controlling the working status of each electrical component, after adjusting the laser rangefinder 13 to be parallel to the axle, the position of the laser rangefinder 13 can be adjusted by changing the position of the ring gear 9 to complete the spacing at the four upper, lower, left and right positions of the wheelset to detect whether the inner distance of the wheelset is within the specified range.

[0030] In the present invention, the installation method, connection method or setting method of all the components mentioned above are common mechanical methods, and the specific structures, models and coefficient indicators of all its components are its own technology. As long as it can achieve its beneficial effects, it can be implemented, so it will not be elaborated on.

[0031] In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0032] Although the embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and are not to be construed as limitations on the present invention. A person skilled in the art may alter, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A wheel set inner distance measuring device, comprising a vehicle body (1), characterized in that: A rotating shaft A (2) is rotatably provided on the upper surface of the vehicle body (1), and a top end of the rotating shaft A (2) is fixedly connected to a fixing frame (3). A driving motor A (4) is installed in the vehicle body (1), and gears A (5) are respectively provided on the output shaft of the driving motor A (4) and the surface of the rotating shaft A (2), and the two gears A (5) are meshed and connected. A bearing (6) is embedded in the side of the fixing frame (3), a rotating shaft B (7) is arranged in the bearing (6), a gear B (8) is arranged on the surface of the rotating shaft B (7), the gear B (8) is meshed with a gear ring (9), the gear ring (9) is a semi-annular structure, an arc-shaped hole is opened on the surface of the gear ring (9), and the gear ring (9) is movably connected to the upper end of the fixing frame (3) through the arc-shaped hole; A drive motor B (11) is mounted on the side of the fixing frame (3) via a mounting plate (10), and an output shaft of the drive motor B (11) is fixedly connected to one end of the rotating shaft B (7). Drive motors C (12) are respectively arranged on both sides of the inner surface of the gear ring (9), and laser rangefinders (13) are respectively arranged on the surface of the output shaft of the drive motor C (12).

2. The intra-wheelset distance measurement device according to claim 1, characterized in that: An electric push rod (14) is provided on the inner surface of the gear ring (9), and a pressure sensor (15) is provided on the top end of the electric push rod (14).

3. The intra-wheelset distance measurement device according to claim 1, characterized in that: A support ring (16) is provided on the upper surface of the box body outside the rotating shaft A (2), a support ball (17) is rotatably provided on the upper surface of the support ring (16), and the top of the support ball (17) is overlapped with the lower surface of the fixing frame (3).

4. The intra-wheelset distance measurement device according to claim 1, characterized in that: The fixing frame (3) is a square-shaped structure, and the upper end of the fixing frame (3) is provided with an arc-shaped surface.

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