A device for measuring the runout of a mining machinery axle

Abstract

The present invention belongs to the technical field of mechanical axle measurement, and specifically discloses a device for measuring the runout of a mining machinery axle, including a base, a support assembly symmetrically arranged on the base, two support assemblies connected together by a centering clamping assembly, a wheel axle to be measured is installed in the support assembly and the centering clamping assembly, one of the support assemblies is provided with a radial measurement linkage assembly, a radial measurement assembly is provided near the radial measurement linkage assembly on the base, an axial measurement linkage assembly is provided on the other support assembly, an axial measurement assembly is provided near the axial measurement linkage assembly on the base, and a main transmission assembly is provided on one of the support assemblies. The present invention utilizes the movement of a radial measurement pen on a radial measurement paper and the movement of an axial measurement pen on an axial measurement paper to convert the radial runout and axial runout of the wheel axle to be measured into an intuitive two-dimensional curve graph, which is easy to operate, easy to observe, and has high determination accuracy.

Description

Technical Field

[0001] The invention belongs to the technical field of mechanical axle measurement, and in particular relates to a device for measuring the runout of a mining machinery axle. Background Art

[0002] When producing the axle of mining machinery, it is necessary to measure the runout of the mechanical axle. In this process, the radial runout and axial runout of the axle need to be measured in order to reduce the installation error. The runout measuring equipment in the prior art can only measure the radial runout error or the axial runout error at a time. After the radial runout error or the axial runout error is measured, the workpiece needs to be disassembled and clamped again. The operation process is cumbersome and the work efficiency is low. In the process of measuring the radial runout and axial runout, it is necessary to slowly rotate the axle, observe the numerical changes of the dial indicator, and then determine the high and low points of the radial runout and axial runout, repeatedly rotate the axle, and mark the abnormal points of the radial runout and axial runout with a marker. This process requires repeated operations, which is cumbersome and the accuracy of the determination is low.

[0003] Therefore, a device for measuring the runout of a mining machinery axle is needed to solve the above-mentioned problem. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a device for measuring the runout of the wheel axle of a mining machinery. The radial runout and axial runout of the wheel axle to be measured are converted into an intuitive two-dimensional curve graph by moving a radial measuring pen on radial measuring paper and an axial measuring pen on axial measuring paper. The device is easy to operate, observe and has high judgment accuracy.

[0005] The technical solution adopted by the present invention is as follows: The present invention proposes a device for measuring the runout of a wheel axle of a mining machinery, comprising a base, wherein support assemblies are symmetrically arranged on the base, and two of the support assemblies are connected together by a centering clamping assembly, and the wheel axle to be measured is installed in the support assembly and the centering clamping assembly, wherein one of the support assemblies is provided with a radial measurement linkage assembly, and a radial measurement assembly is provided on the base near the radial measurement linkage assembly, and the other support assembly is provided with an axial measurement linkage assembly, and an axial measurement assembly is provided on the base near the axial measurement linkage assembly, and one of the support assemblies is provided with a main transmission assembly, and the main transmission assembly is transmission-connected to the radial measurement linkage assembly, and the main transmission assembly is transmission-connected to the axial measurement linkage assembly.

[0006] Furthermore, the support assembly includes a support plate, a support ring and a measuring cylinder, the support plate is symmetrically arranged on the upper wall of the base, the support ring is arranged at the upper end of the support plate, the measuring cylinder is a cylindrical structure with openings at both ends, and the measuring cylinder is rotatably arranged in the support ring.

[0007] Furthermore, the centering clamping assembly includes a rotating ring, a transmission gear ring, a transmission gear, a transmission shaft, a fixed plate and a clamping arm. The rotating ring is sleeved on the ends of the two measuring cylinders, the transmission gear ring is arranged in the middle of the inner wall of the rotating ring, the transmission gear ring is arranged between the ends of the two measuring cylinders, the fixed plate is arranged on the inner wall of the measuring cylinder around the axis array, the fixed plates on the two measuring cylinders correspond to each other one by one, the transmission shaft is passed through the two corresponding fixed plates, the transmission gear is arranged on the transmission shaft, the transmission gear is arranged between the two corresponding fixed plates, the clamping arms are symmetrically arranged at both ends of the transmission shaft, and the outer wall of the rotating ring is provided with locking screws.

[0008] Furthermore, the main transmission assembly includes a driving gear ring, a driving gear and a driving shaft, the driving gear ring is arranged on the outer wall of one of the measuring cylinders, the driving shaft passes through the side wall of one of the support plates, the driving gear is arranged on the driving shaft, and the driving gear ring is meshed with the driving gear.

[0009] Furthermore, the radial measurement linkage assembly includes a driving bevel gear, a driven bevel gear, a pulley 1, a pulley 2, a placement plate, a linkage shaft 1, a linkage shaft 2 and a transmission belt, the driving bevel gear is arranged at the end of the driving shaft away from the driving gear, the placement plate is arranged on the side wall of the support plate, the linkage shaft 1 is rotatably arranged on the upper wall of the placement plate, the linkage shaft 2 is penetrated and arranged on the upper wall of the placement plate, the pulley 1 is arranged on the linkage shaft 1, the pulley 2 is arranged on the linkage shaft 2, the transmission belt is arranged on the pulley 1 and the pulley 2, the driven bevel gear is arranged on the linkage shaft 1, and the driving bevel gear is meshed with the driven bevel gear.

[0010] Furthermore, the radial measuring assembly comprises a support frame, a fixed block, a guide sleeve 1, a radial measuring shaft, a vertical baffle, a vertical spring, an elastic telescopic rod 1, a radial measuring pen, a winding roller 1, a winding roller 2 and a radial measuring paper. The support frame is arranged on the upper wall of the base, the fixed block is arranged on the support frame, the guide sleeve 1 is arranged on the upper wall of the fixed block, the lower end of the vertical spring is arranged on the upper wall of the base, the vertical baffle is arranged on the upper end of the vertical spring, the lower end of the radial measuring shaft is arranged on the upper end surface of the vertical baffle, the radial measuring shaft passes through the fixed block and the guide sleeve 1, one end of the elastic telescopic rod 1 is arranged on the outer wall of the vertical baffle, the radial measuring pen is arranged on the other end of the elastic telescopic rod 1, the lower end of the winding roller 1 is rotatably arranged on the upper wall of the base, the upper end of the winding roller 1 is connected to the linkage shaft 2, the lower end of the winding roller 2 is rotatably arranged on the upper wall of the base through the torsion spring, and the two ends of the radial measuring paper are respectively wound on the winding roller 1 and the winding roller 2.

[0011] Furthermore, the axial measurement linkage assembly includes a linkage shaft three, a linkage shaft four, a driven gear, a linkage gear one and a linkage gear two, the linkage shaft three is arranged between the side walls of the two support plates, one end of the linkage shaft three passes through the side wall of the support plate, the driven gear is arranged on the linkage shaft three, the driven gear is meshed with the driving gear, the linkage gear one is arranged on the linkage shaft three, one end of the linkage shaft four is arranged on the side wall of the support plate, the linkage gear two is arranged on the linkage shaft four, and the linkage gear one is meshed with the linkage gear two.

[0012] Furthermore, the axial measurement component includes a vertical plate, a mounting plate, a third winding roller, a fourth winding roller, an axial measurement paper, a transverse baffle, a second guide sleeve, a transverse measurement shaft, a transverse spring, a second elastic telescopic rod, an axial measurement pen, a vertical telescopic rod and an axial test head. The vertical plate is symmetrically arranged on the upper wall of the base, the mounting plates are arranged in pairs on the inner side walls of the vertical plate, the third winding roller and the fourth winding roller are respectively arranged between two pairs of mounting plates, the third winding roller is connected to the mounting plate by a torsion spring, the two ends of the axial measurement paper are wound around the third winding roller and the fourth winding roller, and the end of the linkage shaft four is arranged on the side wall of the mounting plate. The linkage shaft four is connected to the winding roller four, one end of the guide sleeve two is arranged on the side wall of the support plate, one end of the transverse spring is arranged on the side wall of the support plate away from the guide sleeve two, the transverse baffle is arranged at the end of the transverse spring, one end of the transverse measuring axis is arranged on the end surface of the transverse baffle, the transverse measuring axis passes through the transverse spring, the support plate and the guide sleeve two, the upper end of the elastic telescopic rod two is arranged at the end of the transverse measuring axis, the axial measuring pen is arranged at the lower end of the elastic telescopic rod two, the lower end of the vertical telescopic rod is arranged on the transverse measuring axis, and the axial test head is arranged at the end of the vertical telescopic rod.

[0013] Furthermore, the wheel axle to be measured passes through the measuring cylinder, and the wheel axle to be measured is arranged between the clamping arms.

[0014] The beneficial effects achieved by the present invention using the above structure are as follows:

[0015] 1. The wheel axle to be measured passes through the measuring cylinder, and the rotating ring is rotated. The rotating ring drives the transmission gear ring, transmission gear, transmission shaft and clamping arm to rotate. The end of the clamping arm clamps the wheel axle to be measured. The rotating ring and the measuring cylinder are fixed with locking screws, which can conveniently move the axial position of the wheel axle to be measured in the measuring cylinder;

[0016] 2. When the measuring cylinder rotates, the measuring cylinder drives the active gear ring to rotate, and the active gear ring drives the active gear, the driven gear, the linkage shaft three, the linkage gear one, the linkage gear two, the linkage shaft four and the winding roller four to rotate. The winding roller four rolls up the axial measuring paper. The axial test head drives the vertical telescopic rod, the horizontal measuring shaft and the elastic telescopic rod two to move axially according to the runout of the end face of the wheel axle to be measured on the same circumference. The elastic telescopic rod two drives the axial measuring pen to draw the end face runout of the wheel axle to be measured on the axial measuring paper. By adjusting the length of the vertical telescopic rod, the axial runout measurement on different radii of the wheel axle to be measured can be completed.

[0017] 3. When the measuring cylinder rotates, the measuring cylinder drives the active gear ring to rotate, the active gear ring drives the active gear to rotate, the active gear drives the active shaft, the active bevel gear, the driven bevel gear, and the linkage shaft 1 to rotate, the linkage shaft 1 drives the linkage shaft 2 to rotate through the transmission belt, the linkage shaft 2 drives the winding roller 1 to rotate, the winding roller rewinds the radial measuring paper, as the wheel axle to be measured rotates, the radial measuring shaft moves up and down according to the radial runout of the wheel axle to be measured, the radial measuring shaft drives the vertical baffle and the elastic telescopic rod 1 to move up and down, the elastic telescopic rod 1 drives the radial measuring pen to draw the radial runout of the wheel axle to be measured on the radial measuring paper, and the axial position of the wheel axle to be measured in the measuring cylinder is adjusted to complete the measurement of the radial runout of the wheel axle to be measured at different axial positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front perspective structural diagram of a device for measuring the runout of a mining machinery axle proposed by the present invention;

[0019] Figure 2 This is a schematic diagram of the rear three-dimensional structure of a device for measuring the runout of a mining machinery axle proposed by the present invention;

[0020] Figure 3 It is a partial three-dimensional structural schematic diagram of the centering clamping assembly and the supporting assembly;

[0021] Figure 4 It is a three-dimensional structural schematic diagram of the centering clamping assembly;

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the radial measurement linkage assembly;

[0023] Figure 6 It is a schematic diagram of the three-dimensional structure of the axial measurement linkage assembly;

[0024] Figure 7 for Figure 3 Enlarged view of part A.

[0025] Among them, 1. base, 2. support assembly, 3. centering clamping assembly, 4. wheel shaft to be measured, 5. radial measurement linkage assembly, 6. radial measurement assembly, 7. axial measurement linkage assembly, 8. axial measurement assembly, 9. main transmission assembly, 10. support plate, 11. support ring, 12. measurement cylinder, 13. rotating ring, 14. transmission gear ring, 15. transmission gear, 16. transmission shaft, 17. fixing plate, 18. clamping arm, 19. locking screw, 20. driving gear ring, 21. driving gear, 22. driving shaft, 23. driving bevel gear, 24. driven bevel gear, 25. pulley one, 26. pulley two, 27. placement plate, 28. linkage shaft one, 29. linkage shaft two, 30. transmission belt, 3 1. Support frame, 32. Fixed block, 33. Guide sleeve 1, 34. Radial measuring axis, 35. Vertical baffle, 36. Vertical spring, 37. Elastic telescopic rod 1, 38. Radial measuring pen, 39. Winding roller 1, 40. Winding roller 2, 41. Radial measuring paper, 42. Linkage shaft 3, 43. Linkage shaft 4, 44. Driven gear, 45. Linkage gear 1, 46. Linkage gear 2, 47. Vertical plate, 48. Mounting plate, 49. Winding roller 3, 50. Winding roller 4, 51. Axial measuring paper, 52. Horizontal baffle, 53. Guide sleeve 2, 54. Horizontal measuring axis, 55. Horizontal spring, 56. Elastic telescopic rod 2, 57. Axial measuring pen, 58. Vertical telescopic rod, 59. Axial test head.

[0026] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0028] In the description of the present invention, it should be understood that terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “top”, “bottom”, “inside” and “outside” indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0029] like Figure 1As shown, the present invention proposes a device for measuring the runout of a wheel axle of a mining machinery, comprising a base 1, on which support assemblies 2 are symmetrically arranged, and two of the support assemblies 2 are connected together by a centering clamping assembly 3, and a wheel axle 4 to be measured is installed in the support assemblies 2 and the centering clamping assembly 3, one of the support assemblies 2 is provided with a radial measurement linkage assembly 5, and a radial measurement assembly 6 is provided near the radial measurement linkage assembly 5 on the base 1, and an axial measurement linkage assembly 7 is provided on the other support assembly 2, and an axial measurement linkage assembly 8 is provided near the axial measurement linkage assembly 7 on the base 1, and one of the support assemblies 2 is provided with a main transmission assembly 9, and the main transmission assembly 9 is transmission-connected to the radial measurement linkage assembly 5, and the main transmission assembly 9 is transmission-connected to the axial measurement linkage assembly 7.

[0030] like Figure 1 , Figure 2 As shown, the support assembly 2 includes a support plate 10, a support ring 11 and a measuring cylinder 12. The support plate 10 is symmetrically arranged on the upper wall of the base 1, the support ring 11 is arranged at the upper end of the support plate 10, and the measuring cylinder 12 is a cylindrical structure with openings at both ends. The measuring cylinder 12 is rotatably arranged in the support ring 11.

[0031] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 7 As shown, the centering clamping assembly 3 includes a rotating ring 13, a transmission gear ring 14, a transmission gear 15, a transmission shaft 16, a fixed plate 17 and a clamping arm 18. The rotating ring 13 is sleeved on the ends of the two measuring cylinders 12. The transmission gear ring 14 is arranged in the middle of the inner wall of the rotating ring 13. The transmission gear ring 14 is arranged between the ends of the two measuring cylinders 12. The fixed plate 17 is arranged on the inner wall of the measuring cylinder 12 around the axis array. The fixed plates 17 on the two measuring cylinders 12 correspond to each other one by one. The transmission shaft 16 is arranged on the two corresponding fixed plates 17. The transmission gear 15 is arranged on the transmission shaft 16. The transmission gear 15 is arranged between the two corresponding fixed plates 17. The clamping arm 18 is symmetrically arranged at both ends of the transmission shaft 16. The outer wall of the rotating ring 13 is provided with locking screws 19.

[0032] like Figure 1 , Figure 2 As shown, the main transmission assembly 9 includes a driving gear ring 20, a driving gear 21 and a driving shaft 22. The driving gear ring 20 is arranged on the outer wall of one of the measuring cylinders 12, and the driving shaft 22 passes through the side wall of one of the support plates 10. The driving gear 21 is arranged on the driving shaft 22, and the driving gear ring 20 is meshed with the driving gear 21.

[0033] like Figure 1 , Figure 2 , Figure 5 As shown, the radial measurement linkage assembly 5 includes a driving bevel gear 23, a driven bevel gear 24, a pulley 25, a pulley 26, a placement plate 27, a linkage shaft 1 28, a linkage shaft 29 and a transmission belt 30. The driving bevel gear 23 is arranged at one end of the driving shaft 22 away from the driving gear 21, the placement plate 27 is arranged on the side wall of the support plate 10, the linkage shaft 1 28 is rotatably arranged on the upper wall of the placement plate 27, the linkage shaft 2 29 is penetrated and arranged on the upper wall of the placement plate 27, the pulley 1 25 is arranged on the linkage shaft 1 28, the pulley 2 26 is arranged on the linkage shaft 29, the transmission belt 30 is arranged on the pulley 1 25 and the pulley 2 26, the driven bevel gear 24 is arranged on the linkage shaft 1 28, and the driving bevel gear 23 is meshed with the driven bevel gear 24.

[0034] like Figure 1 , Figure 2 , Figure 5 As shown, the radial measuring assembly 6 includes a support frame 31, a fixed block 32, a guide sleeve 1 33, a radial measuring shaft 34, a vertical baffle 35, a vertical spring 36, an elastic telescopic rod 1 37, a radial measuring pen 38, a winding roller 1 39, a winding roller 2 40 and a radial measuring paper 41. The support frame 31 is arranged on the upper wall of the base 1, the fixed block 32 is arranged on the support frame 31, the guide sleeve 1 33 is arranged on the upper wall of the fixed block 32, the lower end of the vertical spring 36 is arranged on the upper wall of the base 1, the vertical baffle 35 is arranged on the upper end of the vertical spring 36, and the lower end of the radial measuring shaft 34 is arranged on the vertical baffle 35. On the upper end surface, the radial measuring shaft 34 passes through the fixed block 32 and the guide sleeve 33, one end of the elastic telescopic rod 37 is arranged on the outer wall of the vertical baffle 35, and the radial measuring pen 38 is arranged on the other end of the elastic telescopic rod 37. The lower end of the winding roller 39 is rotatably arranged on the upper wall of the base 1, and the upper end of the winding roller 39 is connected to the linkage shaft 29, and the lower end of the winding roller 2 40 is rotatably arranged on the upper wall of the base 1 through a torsion spring. The two ends of the radial measuring paper 41 are respectively wound on the winding roller 39 and the winding roller 2 40, and the elastic telescopic rod 37 makes the radial measuring pen 38 always in contact with the radial measuring paper 41.

[0035] like Figure 1 , Figure 2 , Figure 6As shown, the axial measurement linkage assembly 7 includes a linkage shaft three 42, a linkage shaft four 43, a driven gear 44, a linkage gear one 45 and a linkage gear two 46. The linkage shaft three 42 is arranged between the side walls of the two support plates 10, and one end of the linkage shaft three 42 passes through the side wall of the support plate 10. The driven gear 44 is arranged on the linkage shaft three 42, and the driven gear 44 is meshed with the driving gear 21. The linkage gear one 45 is arranged on the linkage shaft three 42, and one end of the linkage shaft four 43 is arranged on the side wall of the support plate 10. The linkage gear two 46 is arranged on the linkage shaft four 43, and the linkage gear one 45 is meshed with the linkage gear two 46.

[0036] like Figure 1 , Figure 2 , Figure 6 As shown, the axial measurement component 8 includes a vertical plate 47, a mounting plate 48, a winding roller three 49, a winding roller four 50, an axial measurement paper 51, a transverse baffle 52, a guide sleeve two 53, a transverse measurement shaft 54, a transverse spring 55, an elastic telescopic rod two 56, an axial measurement pen 57, a vertical telescopic rod 58 and an axial test head 59, the vertical plate 47 is symmetrically arranged on the upper wall of the base 1, the mounting plate 48 is arranged in pairs on the inner side wall of the vertical plate 47, the winding roller three 49 and the winding roller four 50 are respectively arranged between two pairs of mounting plates 48, the winding roller three 49 and the mounting plate 48 are connected by a torsion spring, the two ends of the axial measurement paper 51 are wound around the winding roller three 49 and the winding roller four 50, the end of the linkage shaft four 43 is arranged on the side wall of the mounting plate 48, and the linkage shaft four 43 and the winding roller Four 50 are connected, one end of the guide sleeve two 53 is arranged on the side wall of the support plate 10, one end of the transverse spring 55 is arranged on the side wall of the support plate 10 away from the guide sleeve two 53, the transverse baffle 52 is arranged at the end of the transverse spring 55, one end of the transverse measuring axis 54 is arranged on the end face of the transverse baffle 52, the transverse measuring axis 54 passes through the transverse spring 55, the support plate 10 and the guide sleeve two 53, the upper end of the elastic telescopic rod two 56 is arranged at the end of the transverse measuring axis 54, the axial measuring pen 57 is arranged at the lower end of the elastic telescopic rod two 56, the lower end of the vertical telescopic rod 58 is arranged on the transverse measuring axis 54, the axial test head 59 is arranged at the end of the vertical telescopic rod 58, and the elastic telescopic rod two 56 makes the axial measuring pen 57 always keep in contact with the axial measuring paper 51.

[0037] like Figure 1 , Figure 2 , Figure 3 As shown, the wheel axle 4 to be measured passes through the measuring cylinder 12 , and the wheel axle 4 to be measured is arranged between the clamping arms 18 .

[0038] When in use, the wheel axle 4 to be measured is passed through the measuring tube 12, and the rotating ring 13 is rotated. The rotating ring 13 drives the transmission ring gear 14 to rotate, and the transmission ring gear 14 drives the transmission gear 15 to rotate, and the transmission gear 15 drives the transmission shaft 16 to rotate, and the transmission shaft 16 drives the clamping arm 18 to rotate. The end of the clamping arm 18 clamps and fixes the wheel axle 4 to be measured, and the rotating ring 13 and the measuring tube 12 are fixed by the locking screw 19. In the initial state, under the action of the vertical spring 36, the upper end of the radial measuring shaft 34 is pressed directly below the wheel axle 4 to be measured, and the length of the vertical telescopic rod 58 is adjusted. Under the action of the transverse spring 55, the axial test head 59 is pressed against the end face of the wheel axle 4 to be measured, and then the measuring tube 12 is slowly rotated. The measuring tube 12 drives the rotating ring 13 and the clamping arm 18 to rotate, and the clamping arm 18 drives the wheel axle 4 to be measured to rotate, and the outer wall of the wheel axle 4 to be measured is always in contact with the upper end of the radial measuring shaft 34, and the end face of the wheel axle 4 to be measured is always in contact with the axial test head 59;

[0039] When the measuring cylinder 12 rotates, the measuring cylinder 12 drives the active gear ring 20 to rotate, the active gear ring 20 drives the active gear 21 to rotate, the active gear 21 drives the driven gear 44 to rotate, the driven gear 44 drives the linkage shaft three 42 to rotate, the linkage shaft three 42 drives the linkage gear one 45 to rotate, the linkage gear one 45 drives the linkage gear two 46 to rotate, the linkage gear two 46 drives the linkage shaft four 43 to rotate, the linkage shaft four 43 drives the winding roller four 50 to rotate, the winding roller four 50 winds up the axial measuring paper 51, the axial testing head 59 drives the vertical telescopic rod 58 to move axially according to the runout of the end face of the wheel shaft 4 to be measured on the same circumference, the vertical telescopic rod 58 drives the horizontal measuring shaft 54 ​​to move, the horizontal measuring shaft 54 ​​drives the elastic telescopic rod two 56 to move axially, the elastic telescopic rod two 56 drives the axial measuring pen 57 to draw the end face runout of the wheel shaft 4 to be measured on the axial measuring paper 51, and the axial runout measurement on different radii of the wheel shaft 4 to be measured can be completed by adjusting the length of the vertical telescopic rod 58;

[0040] When the measuring cylinder 12 rotates, the measuring cylinder 12 drives the active gear ring 20 to rotate, the active gear ring 20 drives the active gear 21 to rotate, the active gear 21 drives the active shaft 22 to rotate, the active shaft 22 drives the active bevel gear 23 to rotate, the active bevel gear 23 drives the driven bevel gear 24 to rotate, the driven bevel gear 24 drives the linkage shaft 1 28 to rotate, the linkage shaft 1 28 drives the linkage shaft 2 29 to rotate through the transmission belt 30, the linkage shaft 29 drives the winding roller 1 39 to rotate, and the winding roller 1 39 is used for radial measurement. The fixed paper 41 is rolled up, and as the wheel axle 4 to be measured rotates, the radial measuring shaft 34 moves up and down according to the radial runout of the wheel axle 4 to be measured, and the radial measuring shaft 34 drives the vertical baffle 35 to move up and down, and the vertical baffle 35 drives the elastic telescopic rod 37 to move up and down, and the elastic telescopic rod 37 drives the radial measuring pen 38 to draw the radial runout of the wheel axle 4 to be measured on the radial measuring paper 41. By adjusting the axial position of the wheel axle 4 to be measured in the measuring tube 12, the radial runout of the wheel axle 4 to be measured at different axial positions can be measured.

[0041] 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.

[0042] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

[0043] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. A device for measuring the runout of a wheel axle of a mining machine, comprising a base (1), characterized in that: The base (1) is symmetrically provided with support assemblies (2), the two support assemblies (2) are connected together by a centering clamping assembly (3), the support assemblies (2) and the centering clamping assembly (3) are provided with a wheel axle (4) to be measured, one of the support assemblies (2) is provided with a radial measurement linkage assembly (5), the base (1) is provided with a radial measurement linkage assembly (6) near the radial measurement linkage assembly (5), the other support assembly (2) is provided with an axial measurement linkage assembly (7), the base (1) is provided with an axial measurement linkage assembly (8) near the axial measurement linkage assembly (7), one of the support assemblies (2) is provided with a main transmission assembly (9), the main transmission assembly (9) is in driving connection with the radial measurement linkage assembly (5), and the main transmission assembly (9) is in driving connection with the axial measurement linkage assembly (7); The support assembly (2) comprises a support plate (10), a support ring (11) and a measuring cylinder (12); the support plate (10) is symmetrically arranged on the upper wall of the base (1); the support ring (11) is arranged at the upper end of the support plate (10); the measuring cylinder (12) is a cylindrical structure with openings at both ends; the measuring cylinder (12) is rotatably arranged in the support ring (11); The main transmission assembly (9) comprises a driving gear ring (20), a driving gear (21) and a driving shaft (22), wherein the driving gear ring (20) is arranged on the outer wall of one of the measuring cylinders (12), the driving shaft (22) penetrates the side wall of one of the support plates (10), the driving gear (21) is arranged on the driving shaft (22), and the driving gear ring (20) is meshed with the driving gear (21); The radial measurement linkage assembly (5) comprises a driving bevel gear (23), a driven bevel gear (24), a pulley 1 (25), a pulley 2 (26), a placement plate (27), a linkage shaft 1 (28), a linkage shaft 2 (29) and a transmission belt (30), wherein the driving bevel gear (23) is arranged at an end of the driving shaft (22) away from the driving gear (21), the placement plate (27) is arranged on a side wall of the support plate (10), and the linkage shaft 1 (28) is rotatably arranged on the driving shaft (22). The upper wall of the placement plate (27), the linkage shaft 2 (29) is arranged through the upper wall of the placement plate (27), the pulley 1 (25) is arranged on the linkage shaft 1 (28), the pulley 2 (26) is arranged on the linkage shaft 2 (29), the transmission belt (30) is arranged on the pulley 1 (25) and the pulley 2 (26), the driven bevel gear (24) is arranged on the linkage shaft 1 (28), and the driving bevel gear (23) is meshed with the driven bevel gear (24); The axial measurement linkage assembly (7) comprises a linkage shaft three (42), a linkage shaft four (43), a driven gear (44), a linkage gear one (45) and a linkage gear two (46); the linkage shaft three (42) is arranged between the side walls of the two support plates (10); one end of the linkage shaft three (42) passes through the side wall of the support plate (10); the driven gear (44) is arranged on the linkage shaft three (42); the driven gear (44) meshes with the driving gear (21); the linkage gear one (45) is arranged on the linkage shaft three (42); one end of the linkage shaft four (43) is arranged on the side wall of the support plate (10); the linkage gear two (46) is arranged on the linkage shaft four (43); the linkage gear one (45) meshes with the linkage gear two (46).

2. The device for measuring the runout of a mining machinery axle according to claim 1, characterized in that: The centering clamping assembly (3) comprises a rotating ring (13), a transmission gear ring (14), a transmission gear (15), a transmission shaft (16), a fixed plate (17) and a clamping arm (18); the rotating ring (13) is sleeved on the ends of the two measuring cylinders (12); the transmission gear ring (14) is arranged at the middle of the inner wall of the rotating ring (13); the transmission gear ring (14) is arranged between the ends of the two measuring cylinders (12); the fixed plate (17) is arranged on the inner wall of the measuring cylinder (12) in an array around an axis; the fixed plates (17) on the two measuring cylinders (12) correspond to each other one by one; the transmission shaft (16) is penetrated and arranged on the two corresponding fixed plates (17); the transmission gear (15) is arranged on the transmission shaft (16); the transmission gear (15) is arranged between the two corresponding fixed plates (17); the clamping arm (18) is symmetrically arranged at both ends of the transmission shaft (16); and the outer wall of the rotating ring (13) is provided with locking screws (19).

3. The device for measuring the runout of a mining machinery axle according to claim 2, characterized in that: The radial measuring assembly (6) comprises a support frame (31), a fixed block (32), a guide sleeve (33), a radial measuring shaft (34), a vertical baffle (35), a vertical spring (36), an elastic telescopic rod (37), a radial measuring pen (38), a winding roller (39), a winding roller (40) and a radial measuring paper (41), wherein the support frame (31) is arranged on the upper wall of the base (1), the fixed block (32) is arranged on the support frame (31), the guide sleeve (33) is arranged on the upper wall of the fixed block (32), the lower end of the vertical spring (36) is arranged on the upper wall of the base (1), the vertical baffle (35) is arranged on the upper end of the vertical spring (36), and the radial measuring pen (38) is arranged on the upper wall of the base (1). The lower end of the measuring shaft (34) is arranged on the upper end surface of the vertical baffle (35), the radial measuring shaft (34) passes through the fixed block (32) and the guide sleeve (33), one end of the elastic telescopic rod (37) is arranged on the outer wall of the vertical baffle (35), the radial measuring pen (38) is arranged on the other end of the elastic telescopic rod (37), the lower end of the winding roller (39) is rotatably arranged on the upper wall of the base (1), the upper end of the winding roller (39) is connected to the linkage shaft (29), the lower end of the winding roller (40) is rotatably arranged on the upper wall of the base (1) through a torsion spring, and the two ends of the radial measuring paper (41) are respectively wound on the winding roller (39) and the winding roller (40).

4. The device for measuring the runout of a mining machinery axle according to claim 3, characterized in that: The axial measurement assembly (8) comprises a vertical plate (47), a mounting plate (48), a winding roller three (49), a winding roller four (50), an axial measurement paper (51), a transverse baffle (52), a guide sleeve two (53), a transverse measurement shaft (54), a transverse spring (55), an elastic telescopic rod two (56), an axial measurement pen (57), a vertical telescopic rod (58) and an axial test head (59), wherein the vertical plate (47) is symmetrically arranged on the upper wall of the base (1), the mounting plates (48) are arranged in pairs on the inner side walls of the vertical plate (47), the winding roller three (49) and the winding roller four (50) are respectively arranged between two pairs of mounting plates (48), the winding roller three (49) and the mounting plate (48) are connected by a torsion spring, the two ends of the axial measurement paper (51) are wound around the winding roller three (49) and the winding roller four (50), and the end of the linkage shaft four (43) is arranged on the mounting plate ( 48), the linkage shaft four (43) is connected to the winding roller four (50), one end of the guide sleeve two (53) is arranged on the side wall of the support plate (10), one end of the transverse spring (55) is arranged on the side wall of the support plate (10) away from the guide sleeve two (53), the transverse baffle (52) is arranged at the end of the transverse spring (55), one end of the transverse measuring shaft (54) is arranged on the end surface of the transverse baffle (52), the transverse measuring shaft (54) passes through the transverse spring (55), the support plate (10) and the guide sleeve two (53), the upper end of the elastic telescopic rod two (56) is arranged at the end of the transverse measuring shaft (54), the axial measuring pen (57) is arranged at the lower end of the elastic telescopic rod two (56), the lower end of the vertical telescopic rod (58) is arranged on the transverse measuring shaft (54), and the axial test head (59) is arranged at the end of the vertical telescopic rod (58).

5. The device for measuring the runout of a mining machinery axle according to claim 4, characterized in that: The wheel axle (4) to be measured passes through the measuring cylinder (12), and the wheel axle (4) to be measured is arranged between the clamping arms (18).

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