Axle automatic measuring machine
By designing an automatic axle measuring machine, the gap in compatible measuring equipment for passenger and freight car axles was filled. This achieved automation and data digitization of the multi-purpose measuring equipment, improved measurement accuracy and efficiency, and ensured the safe operation of railway vehicles.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-18
- Publication Date
- 2026-03-10
AI Technical Summary
The lack of existing automatic measurement equipment compatible with both railway passenger and freight car axles has resulted in a gap in measurement equipment for passenger cars, which cannot meet the needs of multi-purpose measurement.
An automatic axle measuring machine was designed, comprising an alignment mechanism, a lifting mechanism, a rotating mechanism, a journal dustproof plate seat measuring unit, a wheel seat brake disc seat axle body measuring unit, an axle length measuring unit, and an axle shoulder distance measuring unit. Combined with high-precision sensors and control devices, it realizes multi-directional automatic measurement and data processing of axles.
It has enabled automated measurement of passenger and freight car axles, improved measurement accuracy and efficiency, supported data digitization and network management, and ensured the safe operation of railway vehicles.
Smart Images

Figure CN121632038A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of measuring device technology, and in particular to an automatic axle measuring machine. Background Technology
[0002] Currently, automatic measurement equipment for railway passenger and freight car axles in China is relatively mature in the freight car sector, while automatic measurement equipment for passenger cars, especially compatible with both passenger and freight car axles, is still lacking. However, with the development of technology, the research and development of automatic measurement equipment for railway passenger car axles and compatible with both passenger and freight car axles has become increasingly urgent. The automatic axle measuring machine in this solution is compatible with the automatic measurement of both passenger and freight car axles, effectively solving the problem of multi-purpose use, promoting the automation of passenger and freight car axle measurement, realizing the digitization of measurement data, and significantly improving the automation level of wheel and axle selection and pressing. Summary of the Invention
[0003] In view of this, in order to solve the technical problem that there is currently no automatic measuring equipment compatible with passenger and freight car axles, this invention provides an automatic axle measuring machine that is compatible with the automatic measurement of railway passenger and freight car axles, improves the accuracy, efficiency and stability of axle geometric dimension measurement, and cooperates with the networked management of railway vehicle systems to ensure operational safety.
[0004] To achieve the above objectives, the present invention provides the following technical solution: An automatic axle measuring machine, comprising: The centering mechanism is used to precisely center and position the axle; A lifting mechanism is used to lift the axle to the measurement position; A rotating mechanism is used to drive the axle to rotate in order to achieve multi-directional measurement; The journal dust cover holder measuring section is used to measure the geometric dimensions of the journal and dust cover holder of the axle; Wheel seat, brake disc seat, and axle body measuring section, used to measure the geometric dimensions of the wheel seat, brake disc seat, and axle body diameter of a vehicle axle; Axle length measuring unit, used to measure the total length of the axle; Axle shoulder distance measuring unit, used to measure the axle shoulder distance dimension; The control device is used to control the actions of each mechanism and measuring part, automatically complete the measurement process, and process and store the measurement data.
[0005] Preferably, the journal dustproof plate holder measuring part includes: Axle journal lifting cylinder is used to lift the measuring unit to the axle measuring position; The journal integral transverse movement cylinder is used to adjust the lateral position of the measuring part; Sensor components are used to acquire dimensional data of the journal and dust cover mount; The journal measuring transverse cylinder and the dustproof plate seat measuring transverse cylinder are used to move the sensor assembly to the measuring point of the journal and the dustproof plate seat.
[0006] Preferably, the wheel seat brake disc seat axle measuring part includes: Wheel seat lifting cylinder and brake disc seat lifting cylinder are used to drive the corresponding measuring components to rise and fall to the measuring position; Sensor components are used to collect dimensional data on the wheel mount, brake disc mount, and axle diameter. The wheel seat measuring cylinder, brake disc seat measuring cylinder, and axle diameter measuring cylinder are used to move the sensor assembly to the measuring points of the wheel seat, brake disc seat, and axle.
[0007] Preferably, the shaft length measuring unit includes: A shaft length measuring cylinder is used to position the measuring plate. Sensors are used to collect data on the overall length of the axle. A sensor moving cylinder is used to move the sensor to the axis length measurement position.
[0008] Preferably, the shoulder distance measuring unit includes: Shoulder lifting cylinder is used to lift and lower the measuring component to the shoulder distance measuring position; The sensor is used to collect data on the distance between the axle shoulder and the vehicle axle. The shoulder measuring cylinder and the shoulder lateral movement cylinder are used to move the sensor to the shoulder distance measuring point.
[0009] Preferably, the rotating mechanism is used to drive the axle to rotate 120° to achieve at least three repeated measurements to obtain multi-directional dimensional data.
[0010] Preferably, the control device has the function of networking with HMIS and KMIS systems to transmit measurement data to external systems.
[0011] Preferably, the control device is also used to store and print measurement results, and to display measurement data for users to browse.
[0012] Preferably, the lifting mechanism is also used to lower the axle back onto the track after the measurement is completed.
[0013] Preferably, the centering mechanism is used to ensure the consistency of the axle measurement reference.
[0014] Compared with the prior art, the present invention has the following beneficial effects: (1) Strong compatibility and filling the technical gap: This invention can solve the problem of the lack of automatic measurement equipment for both passenger and freight car axles in the existing technology, realize multi-purpose use, and can automatically measure passenger and freight car axles at the same time, meet the maintenance needs of different car models, and adapt to the urgent need for automated measurement of passenger and freight car axles in the development of railway transportation technology.
[0015] (2) High measurement accuracy and reliable and stable results: High-precision measuring instruments are used, combined with automatic centering, multi-directional rotation (three measurements at 120°) and other technical means to reduce manual measurement errors and improve the accuracy and reliability of the measurement results of geometric dimensions such as journal, dustproof plate seat, wheel seat, brake disc seat, shaft diameter, shaft length, and shaft shoulder distance, so as to ensure the quality of maintenance.
[0016] (3) High degree of automation, improving detection efficiency: The entire detection process is automatically completed by computer control, including axle alignment, lifting, rotation, measurement and data processing, which reduces manual intervention, lowers operational risks, significantly improves detection efficiency, and solves the problems of low efficiency and large error of manual measurement in the existing technology.
[0017] (4) Data digitization and network sharing, supporting networked management: It has the function of connecting with HMIS and KMIS systems, and can realize the storage, printing output and remote transmission and sharing of measurement data. It can cooperate with the computer networked management of railway vehicle system to ensure the safe operation of railway vehicles and solve the problems of backward data management and inability to connect and share in the existing technology.
[0018] (5) Achieve full-process automation and optimize maintenance process: It can realize the automation of axle measurement of passenger cars and freight cars, the digitization of measurement data and the automation of wheel and axle matching and pressing, providing fast, accurate and reliable detection methods, improving the stability and efficiency of maintenance work, and meeting the needs of batch maintenance. Attached Figure Description
[0019] Figure 1 This is the assembly drawing of the present invention. Figure 2 Front view of the journal and dustproof plate seat measuring section; Figure 3 Left view of the journal and dustproof plate seat measuring section; Figure 4 Rear view of the journal and dust cover measuring section; Figure 5 This is a front view of the wheel seat, brake disc seat, and axle diameter measuring section. Figure 6 Left view of the wheel seat, brake disc seat, and axle diameter measuring section; Figure 7 This is the front view of the shaft length measuring section; Figure 8Left view of the shaft length measuring section; Figure 9 This is the front view of the shoulder distance measuring section; Figure 10 This is a left view of the shoulder distance measuring section; In the diagram, 1. First slide rail pair; 2. Support plate; 3. Journal lifting cylinder seat welded together; 4. Journal integral transverse movement cylinder head support; 5. Journal lifting cylinder; 6. Journal integral transverse movement cylinder support; 7. Journal integral transverse movement cylinder; 9. Journal lifting cylinder seat; 10. Second slide rail pair; 11. Journal L connecting plate; 12. Journal cylinder seat connecting plate; 13. Journal guide rail plate; 14. Third slide rail pair; 15. Dustproof plate seat transverse movement cylinder; 16. Dustproof plate seat transverse movement cylinder seat; 17. Dustproof plate seat guide rail plate; 18. Journal measuring guide rail plate; 19. Journal measuring transverse movement cylinder; 20. Journal measuring transverse movement cylinder seat; 21. Fourth slide rail pair; 22. First journal measuring plate; 23. Journal vertical base plate; 24. Dustproof plate seat vertical base plate; 25. 26. Fifth slide rail pair; 27. Dustproof plate seat measuring transverse movement cylinder; 28. Dustproof plate seat measuring transverse movement cylinder seat; 29. Dustproof plate seat measuring plate; 30. V-block; 31. First sensor; 32. Second sensor; 33. Sixth slide rail pair; 34. Second journal measuring plate; 35. Third sensor; 36. Fourth sensor; 37. Fifth sensor; 38. Support upper plate; 39. Wheel seat lifting cylinder; 40. Brake disc seat lifting cylinder; 41. Welded wheel seat lifting cylinder seat; 42. Brake disc seat lifting cylinder seat; 43. Support upright plate; 44. Seventh slide rail pair; 45. Eighth slide rail pair; 46. Wheel seat L connecting plate; 47. Brake disc seat L connecting plate; 48. Wheel seat cylinder connecting plate; 49. 50. Wheel seat guide plate; 51. Wheel seat vertical base plate; 52. Ninth slide rail pair; 53. Wheel seat measuring plate; 54. Wheel seat measuring cylinder; 55. Wheel seat measuring cylinder seat; 56. Sixth sensor; 57. Measuring rod fixing seat; 58. Brake disc seat guide plate; 59. Brake disc seat vertical base plate; 60. Tenth slide rail pair; 61. Brake disc seat measuring plate; 62. Brake disc seat measuring cylinder; 63. Eleventh slide rail pair; 64. Shaft diameter measuring plate; 65. Shaft diameter measuring cylinder; 66. Shaft diameter measuring cylinder seat; 67. Shaft diameter vertical base plate; 68. Length support plate; 69. Connecting plate; 70. Twelfth slide rail pair; 71. Thirteenth slide rail pair; 72. Sensor support base plate; 73. Shaft length transmission plate. 74. Seventh sensor; 75. Shaft length measuring cylinder; 76. Shaft length measuring cylinder seat; 77. Measuring plate; 78. Seventh sensor moving cylinder; 79. Seventh sensor moving cylinder seat; 80. Gearbox; 81. Fourteenth slide rail pair; 82. Shoulder distance slider seat plate; 83. Fifteenth slide rail pair; 84. Shoulder transverse sliding slider seat plate; 85. Shoulder sensor marking plate; 86. Shoulder connecting plate; 87. Shoulder sensor support; 88. Shoulder sensor; 89. Shoulder cylinder support; 90. Shoulder lifting cylinder; 91. Shoulder cylinder head support; 92. Shoulder measuring cylinder support; 93. Shoulder measuring cylinder head support; 94. Roller assembly; 95. Shoulder measuring head; 96. Shoulder measuring cylinder; 97. Base;98. Centering mechanism; 99. Left axle shoulder measuring section; 100. Lifting drive mechanism; 101. Left axle overall length measuring section; 102. Left axle journal measuring section; 103. Left dustproof plate seat measuring section; 104. Left wheel seat measuring section; 105. Left brake disc seat measuring section; 106. Axle diameter measuring section; 107. Standard sample mechanism; 108. Axle shifting mechanism; 109. Discharge mechanism; 110. Column; 111. Crossbeam; 112. Right brake disc seat measuring section; 113. Right wheel seat measuring section; 114. Right axle journal measuring section; 115. Right axle length measuring section; 116. Right dustproof plate seat measuring section; 117. V-block support plate; 118. Right axle shoulder measuring section. Detailed Implementation
[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.
[0021] In the description of this invention, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0022] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.
[0023] This invention provides an automatic axle measuring machine, comprising: The centering mechanism 98 is used to precisely center and position the axle. A lifting mechanism is used to lift the axle to the measurement position; A rotating mechanism is used to drive the axle to rotate in order to achieve multi-directional measurement; The journal dust cover holder measuring section is used to measure the geometric dimensions of the journal and dust cover holder of the axle; Wheel seat, brake disc seat, and axle body measuring section, used to measure the geometric dimensions of the wheel seat, brake disc seat, and axle body diameter of a vehicle axle; Axle length measuring unit, used to measure the total length of the axle; Axle shoulder distance measuring unit, used to measure the axle shoulder distance dimension; The control device is used to control the actions of each mechanism and measuring part, automatically complete the measurement process, and process and store the measurement data.
[0024] This implementation plan integrates multi-parameter measurement functions, is compatible with both passenger and freight car axles, and addresses the lack of existing automatic measurement equipment for passenger and freight car axles. It automates axle measurement, digitizes data, and automates wheel and axle selection and pressing, automatically completing the measurement process, improving detection reliability and stability, providing a fast and accurate detection method, and ensuring operational safety in conjunction with the networked management of the railway vehicle system.
[0025] In this invention, the journal dustproof plate holder measuring part includes: Axle journal lifting cylinder is used to lift the measuring unit to the axle measuring position; The journal integral transverse movement cylinder is used to adjust the lateral position of the measuring part; Sensor components are used to acquire dimensional data of the journal and dust cover mount; The journal measuring transverse cylinder and the dustproof plate seat measuring transverse cylinder are used to move the sensor assembly to the measuring point of the journal and the dustproof plate seat.
[0026] In this implementation scheme, the sensor is controlled by multiple cylinders to accurately locate the measuring points of the journal and dust cover seat, thereby improving the measurement accuracy of the geometric dimensions of the journal and dust cover seat. The automated operation avoids human measurement errors and improves the detection efficiency.
[0027] In this invention, the wheel seat brake disc seat axle measuring part includes: Wheel seat lifting cylinder and brake disc seat lifting cylinder are used to drive the corresponding measuring components to rise and fall to the measuring position; Sensor components are used to collect dimensional data on the wheel mount, brake disc mount, and axle diameter. The wheel seat measuring cylinder, brake disc seat measuring cylinder, and axle diameter measuring cylinder are used to move the sensor assembly to the measuring points of the wheel seat, brake disc seat, and axle.
[0028] This implementation plan covers the measurement of multiple key components such as wheel seats, brake disc seats, and axle diameters, and automatically adjusts the measurement positions to improve the detection efficiency and accuracy of these parameters, reduce manual operation steps, and reduce human error.
[0029] In this invention, the shaft length measuring unit includes: A shaft length measuring cylinder is used to position the measuring plate. Sensors are used to collect data on the overall length of the axle. A sensor moving cylinder is used to move the sensor to the axis length measurement position.
[0030] In this implementation scheme, the position of the measuring plate and sensor is automatically adjusted to accurately measure the full length of the shaft, avoiding errors from manual measurement and improving the efficiency and consistency of shaft length detection.
[0031] In this invention, the shoulder distance measuring unit includes: Shoulder lifting cylinder is used to lift and lower the measuring component to the shoulder distance measuring position; The sensor is used to collect data on the distance between the axle shoulder and the vehicle axle. The shoulder measuring cylinder and the shoulder lateral movement cylinder are used to move the sensor to the shoulder distance measuring point.
[0032] In this implementation plan, the measuring head is positioned by cylinder-controlled operation to accurately measure the shoulder distance, thereby improving the accuracy and stability of the shoulder distance measurement. Automated operation reduces manual intervention and improves testing efficiency.
[0033] In this invention, the rotating mechanism is used to drive the axle to rotate 120°, enabling at least three repeated measurements to obtain multi-directional dimensional data. In this embodiment, driving the axle to rotate 120° to achieve three multi-directional measurements reduces measurement blind spots, improves data reliability and accuracy, ensures comprehensive detection of axle parameters in all directions, and enhances maintenance quality.
[0034] In this invention, the control device has the function of networking with HMIS and KMIS systems to transmit measurement data to external systems. This implementation achieves networking with HMIS and KMIS systems, supports remote transmission and sharing of measurement data, coordinates with the networked management of railway vehicle systems, ensures operational safety, and solves the problem of data sharing difficulties in existing technologies.
[0035] In this invention, the control device is also used to store and print measurement results, and display measurement data for user viewing. This implementation supports the storage, printing, and display of measurement results, facilitating data traceability, viewing, and recording; improving the efficiency of testing data management; and meeting the information needs of the maintenance process.
[0036] In this invention, the lifting mechanism is also used to lower the axle back onto the track after the measurement is completed. This embodiment automatically completes the lifting and lowering of the axle without manual intervention, improving operational safety, achieving full automation of the measurement process, and increasing overall testing efficiency.
[0037] In this invention, the centering mechanism 98 is used to ensure the consistency of the axle measurement reference. In this embodiment, ensuring the consistency of the axle measurement reference reduces positioning errors, improves the consistency and accuracy of the measurement results of various parameters, provides a reliable foundation for subsequent multi-directional measurements, and enhances the overall detection accuracy.
[0038] The present invention provides an exemplary implementation of the above-described technical solution.
[0039] like Figure 1-10 The image shows a preferred embodiment of an automatic axle measuring machine provided by the present invention, as follows: The automatic axle measuring machine includes a base 97, a centering mechanism 98, a left axle shoulder measuring unit 99, a lifting drive mechanism 100, a left axle overall length measuring unit 101, a left axle journal measuring unit 102, a left dustproof plate seat measuring unit 103, a left wheel seat measuring unit 104, a left brake disc seat measuring unit 105, an axle diameter measuring unit 106, a standard sample mechanism 107, an axle shifting mechanism 108, a material discharge mechanism 109, a column 110, a crossbeam 111, a right brake disc seat measuring unit 112, a right wheel seat measuring unit 113, a right axle journal measuring unit 114, a right axle length measuring unit 115, and a right dustproof plate seat measuring unit 116.
[0040] The journal dust cover holder measuring unit includes a left journal measuring unit 102, a left dust cover holder measuring unit 103, a right journal measuring unit 114, and a right dust cover holder measuring unit 115. The first slide rail assembly 1 is connected to the crossbeam by screws. The support plate 2 is connected to the first slide rail assembly 1 by screws. The journal integral transverse movement cylinder head support 4 is connected to the support plate 2 by screws. The journal integral transverse movement cylinder support 6 and the journal integral transverse movement cylinder 7 are connected to the crossbeam by screws. The journal lifting cylinder seat welding 3 is connected to the support plate 2 by screws. The journal lifting cylinder 5 is connected to the journal lifting cylinder seat welding 3 by screws. The journal lifting cylinder seat 9 is connected to the journal cylinder seat connecting plate 12 by screws. The second slide rail assembly 10 is connected to the support plate 2 by screws. The journal L connecting plate 11 is screwed to the second slide rail pair 10. The journal cylinder seat connecting plate 12 is screwed to the journal L connecting plate 11. The journal guide plate 13 is screwed to the journal cylinder seat connecting plate 12. The third slide rail pair 14 is screwed to the journal guide plate 13. The dustproof plate seat transverse movement cylinder 15 is screwed to the dustproof plate seat transverse movement cylinder seat 16. The dustproof plate seat transverse movement cylinder seat 16 is screwed to the journal measuring guide rail plate 18. The journal measuring guide rail plate 18 and the dustproof plate seat guide rail plate 17 are screwed to the third slide rail pair. 14. The journal vertical base plate 23 and the dustproof plate base plate 24 are connected to the journal measuring guide plate 18 by screws. The fourth slide rail pair 21 and the V-block support plate 117 are connected to the journal vertical base plate 23 by screws. The V-block 29 is connected to the V-block support plate 117 by screws. The first journal measuring plate is connected to the fourth slide rail pair 21 by screws. The first sensor 30, the journal measuring transverse cylinder seat 20, and the second sensor 31 are connected to the first journal measuring plate 22. The journal measuring transverse cylinder 19 is connected to the journal measuring transverse cylinder seat 20 by a nut. The fifth slide rail... The rail pair 25, the sixth slide rail pair 32, and the third sensor 34 are connected to the dustproof plate seat base plate 24 by screws. The dustproof plate seat measuring plate 28 is connected to the fourth slide rail pair 21 by screws. The dustproof plate seat measuring transverse cylinder 26 is connected to the dustproof plate seat measuring transverse cylinder seat 27. The dustproof plate seat measuring transverse cylinder seat 27 is connected to the dustproof plate seat measuring plate 28 by screws. The fifth sensor 36 is connected to the dustproof plate seat measuring plate 28. The second journal measuring plate 33 is connected to the sixth slide rail pair 32 by screws. The fourth sensor 35 is connected to the second journal measuring plate 33.
[0041] The wheel seat, brake disc seat, and axle diameter measuring unit includes a left wheel seat measuring unit 104, a left brake disc seat measuring unit, an axle diameter measuring unit 106, a right wheel seat measuring unit 113, and a right brake disc seat measuring unit 112. The upper plate 37 of the bracket is connected to the crossbeam by screws. The upright plate 42 of the bracket is connected to the upper plate 37 of the bracket by screws. The wheel seat lifting cylinder seat weld 40 and the brake disc seat lifting cylinder seat weld 41 are connected to the upright plate 42 of the bracket by screws. The brake disc seat lifting cylinder 39 is connected to the brake disc seat lifting cylinder seat weld 41 by screws. The seventh slide rail pair 43 and the eighth slide rail pair 44 are connected to the upright plate 42 of the bracket by screws. The wheel seat lifting cylinder 38 is connected to the wheel seat lifting cylinder seat weld 40 by screws. The wheel seat L connecting plate 45 is connected to the seventh slide rail pair 43 by screws. The wheel seat cylinder connecting plate 47 is connected to the upper plate 37 of the bracket by screws. The wheel seat L connecting plate 45 is connected to the wheel seat guide plate 49 by screws, the wheel seat cylinder connecting plate 47 is connected to the wheel seat vertical plate 50 by screws, the ninth slide rail pair 51 is connected to the wheel seat vertical plate 50 by screws, the measuring rod fixing seat 56 is connected to the wheel seat measuring plate 52 by screws, the wheel seat measuring plate 52 is connected to the ninth slide rail pair 51 by screws, the wheel seat measuring cylinder 53 is connected to the wheel seat measuring cylinder seat 54, the wheel seat measuring cylinder seat 54 is connected to the wheel seat measuring plate 52 by screws, and the sixth sensor 55 is connected to the wheel seat measuring plate 52 by screws. The brake disc mount L connecting plate 46 is screwed to the eighth slide rail pair 44; the brake disc mount cylinder connecting plate 48 is screwed to the brake disc mount L connecting plate 46; the brake disc mount guide rail plate 57 is screwed to the brake disc mount cylinder connecting plate 48; the brake disc mount upright plate 58 is screwed to the brake disc mount guide rail plate 57; the tenth slide rail pair 59 is screwed to the brake disc mount upright plate 58; the brake disc mount measuring plate 60 is screwed to the tenth slide rail pair 59; and the brake disc mount measuring cylinder 61 is connected to... The brake disc measuring cylinder seat 62 is connected to the brake disc seat measuring plate 60 by screws. The shaft diameter vertical base plate 67 is connected to the brake disc seat guide plate 57 by screws. The eleventh slide rail pair 63 is connected to the shaft diameter vertical base plate 67 by screws. The shaft diameter measuring plate 64 is connected to the eleventh slide rail pair 63 by screws. The shaft diameter measuring cylinder 65 is connected to the shaft diameter measuring cylinder seat 66. The shaft diameter measuring cylinder seat 66 is connected to the shaft diameter measuring plate 64 by screws.
[0042] The shaft length measuring unit includes a left shaft length measuring unit 101 and a right shaft length measuring unit 115. The length support plate 68 is connected to the column by screws, the connecting plate 69 is connected to the length support plate 68 by screws, the twelfth slide rail pair 70 and the thirteenth slide rail pair 71 are connected to the connecting plate 69 by screws, the sensor support base plate 72 is connected to the thirteenth slide rail pair 71 by screws, the shaft length sensor support 73 is connected to the sensor support base plate 72 by screws, the seventh sensor 74 is connected to the shaft length sensor support 73, the measuring plate 77 is connected to the twelfth slide rail pair 70 by screws, the shaft length measuring cylinder seat 76 is connected to the measuring plate 77 by screws, the shaft length measuring cylinder 75 is connected to the shaft length measuring cylinder seat 76, the seventh sensor moving cylinder seat 79 is connected to the length support plate 68 by screws, and the seventh sensor moving cylinder 78 is connected to the seventh sensor moving cylinder seat 79.
[0043] The shoulder measuring section consists of a left shoulder measuring section 99 and a right shoulder measuring section 118. The fourteenth slide rail pair 81 and the shoulder cylinder support 89 are connected to the gearbox 80 by screws. The shoulder distance slider seat plate 82 is connected to the fourteenth slide rail pair 81 by screws. The fifteenth slide rail pair 83, the shoulder measuring cylinder support 92, and the shoulder cylinder head support 91 are connected to the shoulder distance slider seat plate 82 by screws. The shoulder connecting plate 86 is connected to the shoulder distance slider seat plate 82 by screws. The shoulder sensor support 87 is connected to the shoulder connecting plate 86 by screws. The shoulder sensor 88 is connected by screws. The shoulder lifting cylinder 90 is connected to the shoulder cylinder head support 91 by screws on the shoulder sensor support 87. The shoulder measuring cylinder 96 is connected to the shoulder measuring cylinder support 92 by screws. The shoulder transverse sliding block plate 84 is connected to the fifteenth slide rail pair 83 by screws. The shoulder sensor marking plate 85, roller assembly 94 and shoulder measuring head 95 are connected to the shoulder transverse sliding block plate 84 by screws. The shoulder measuring cylinder head support 93 is connected to the shoulder sensor marking plate 85 by screws.
[0044] The working principle is as follows: (1) The axle is transported to the designated position, and the measurement is started; (2) Obtain axle information and start the corresponding measurement program; (3) The centering mechanism 98 centers the axle; (4) The left and right lifting mechanisms lift the axle to the measuring position; (5) The left and right measuring units descend to the measuring positions. Measurement begins. (6) After the first measurement is completed, the rotating mechanism rotates the axle 120 degrees for the second measurement and measurement; the rotating mechanism then rotates the axle another 120 degrees for the third measurement and measurement. (7) After the measurement is completed, the measuring cylinder returns to its original position; (8) The lifting mechanism lowers the axle back onto the track; (9) After the measurement is completed, the measurement results are displayed and viewed. (10) Save the measurement results, transmit the measurement results over the network, print the measurement results, and the measurement process ends.
[0045] The above are merely preferred embodiments of the present invention; however, the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and its improved concept, should be covered within the scope of protection of the present invention.
Claims
1. An automatic wheel measuring machine, characterized in that, The application relates to a vehicle axle measuring device, which comprises: a centering mechanism for accurately centering the vehicle axle; a lifting mechanism for lifting the vehicle axle to a measuring position; a rotating mechanism for rotating the vehicle axle to realize multi-directional measurement; an axle neck and dust shield seat measuring part for measuring the geometric size of the axle neck and the dust shield seat of the vehicle axle; a wheel seat, brake disc seat and shaft body diameter measuring part for measuring the geometric size of the wheel seat, brake disc seat and shaft body diameter of the vehicle axle; an axle length measuring part for measuring the overall length of the vehicle axle; an axle shoulder distance measuring part for measuring the distance between the axle shoulders of the vehicle axle; a control device for controlling the operation of the mechanisms and measuring parts, automatically completing the measuring process, and processing and storing the measuring data.
2. An automatic wheel measuring machine according to claim 1, characterized in that The axle neck and dust shield seat measuring part comprises: an axle neck lifting cylinder for lifting the measuring part to the measuring position of the vehicle axle; an axle neck overall transverse moving cylinder for adjusting the transverse position of the measuring part; a sensor assembly for collecting the size data of the axle neck and the dust shield seat; an axle neck measuring transverse moving cylinder and a dust shield seat measuring transverse moving cylinder for moving the sensor assembly to the measuring points of the axle neck and the dust shield seat.
3. An automatic wheel measuring machine according to claim 1, wherein The wheel seat, brake disc seat and shaft body diameter measuring part comprises: a wheel seat lifting cylinder and a brake disc seat lifting cylinder for lifting the corresponding measuring assemblies to the measuring position; a sensor assembly for collecting the size data of the wheel seat, brake disc seat and shaft body diameter; a wheel seat measuring cylinder, a brake disc seat measuring cylinder and a shaft body diameter measuring cylinder for moving the sensor assembly to the measuring points of the wheel seat, brake disc seat and shaft body.
4. An automatic wheel measuring machine according to claim 1, wherein The axle length measuring part comprises: an axle length measuring cylinder for positioning the measuring plate; a sensor for collecting the overall length size data of the vehicle axle; a sensor moving cylinder for moving the sensor to the axle length measuring position.
5. An automatic wheel measuring machine according to claim 1, wherein The axle shoulder distance measuring part comprises: an axle shoulder lifting cylinder for lifting the measuring assembly to the axle shoulder distance measuring position; a sensor for collecting the distance size data between the axle shoulders of the vehicle axle; an axle shoulder measuring cylinder and an axle shoulder transverse moving cylinder for moving the sensor to the axle shoulder distance measuring point.
6. An automatic wheel measuring machine according to claim 1, wherein The rotating mechanism is used for rotating the vehicle axle by 120 degrees to realize at least three repeated measurements to obtain multi-directional size data.
7. An automatic wheel measuring machine according to claim 1, wherein The control device has the function of networking with an HMIS and a KMIS system, and is used for transmitting the measuring data to an external system.
8. An automatic wheel measuring machine according to claim 1, wherein The control device is also used for storing and printing the measuring results, and displaying the measuring data for the user to browse.
9. An automatic wheel measuring machine according to claim 1, wherein The lifting mechanism is also used for lowering the vehicle axle back to the track after the measurement is completed.
10. An automatic wheel measuring machine according to any one of claims 1-9, characterized in that, The centering mechanism is used for ensuring the consistency of the measuring reference of the vehicle axle.