CN111307104B

CN111307104B - Eccentric shaft detection device and detection method

Info

Publication number: CN111307104B
Application number: CN202010191867.5A
Authority: CN
Inventors: 龚智鹏; 秦利明; 瞿波; 杨夏洁; 夏丽君
Original assignee: Taizhou University
Current assignee: Taizhou University
Priority date: 2020-01-09
Filing date: 2020-03-18
Publication date: 2021-07-23
Anticipated expiration: 2040-03-18
Also published as: CN111307104A

Abstract

The invention provides an eccentric shaft detection device and a detection method, which improve the detection precision of a crankshaft. The crankshaft detection device comprises a workbench and is characterized by comprising a crankshaft clamping mechanism, a crankshaft rotating mechanism and a crankshaft detection mechanism, wherein the crankshaft clamping mechanism comprises a first V-shaped block and a second V-shaped block, the first V-shaped block can move back and forth towards the second V-shaped block through a longitudinal moving mechanism, the second V-shaped block is arranged on the workbench through a vertical moving mechanism, and the second V-shaped block can move up and down along the direction perpendicular to the top surface of the workbench through the vertical moving mechanism. The crankshaft is arranged on the crankshaft clamping mechanism, different shaft sections of the crankshaft are detected through the crankshaft detection mechanism, the crankshaft is rotated through the crankshaft rotating mechanism, different positions of the shaft sections of the crankshaft are detected, the bottom of the workbench is provided with an adjusting platform, and the adjusting platform is used for quickly moving and adjusting the detection device. The invention has the advantages of accurate and convenient measurement and the like.

Description

Eccentric shaft detection device and detection method

Technical Field

The invention belongs to the technical field of machinery, and relates to an eccentric shaft detection device and a detection method.

Background

The common detection means of the eccentric shaft is to place the eccentric shaft between two V-shaped blocks, then use the dial indicator to carry out straightness accuracy detection and the like on the shaft section of the eccentric shaft by adopting a meter-making method, and the detection tool used by adopting the meter-making method is simple and is a conventional detection means, but has the defects of low measurement precision, single measurement item and the like. On the other hand, the V-shaped block and the dial indicator that the eccentric shaft detected are usually placed on the workstation, and conventional workstation is usually fixed to be placed on a position, and it is inconvenient to remove, especially when needing to remove to use on different stations, need carry the workstation, carry to new position after, need adjust the level again, and it is inconvenient to use, influences the efficiency of work production. In addition, the section of the shaft head end of some eccentric shafts is a non-circular section, for example, the section is polygonal such as a triangle, a quadrangle and the like, and the shaft head end of the eccentric shaft is placed on a V-shaped block and cannot rotate, so that the detection cannot be performed, and the detection has limitation.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides an eccentric shaft detection device and a detection method, which can improve the detection precision of an eccentric shaft and improve the diversity and applicability of eccentric shaft detection items.

The purpose of the invention can be realized by the following technical scheme: an eccentric shaft detection device comprises a workbench and is characterized by comprising an eccentric shaft clamping mechanism, an eccentric shaft rotating mechanism and an eccentric shaft detection mechanism, wherein the eccentric shaft clamping mechanism comprises a first V-shaped block and a second V-shaped block, the first V-shaped block is supported on the workbench through a longitudinal moving mechanism, the first V-shaped block can move back and forth towards the second V-shaped block through the longitudinal moving mechanism, the second V-shaped block is arranged on the workbench through a vertical moving mechanism, the second V-shaped block can move up and down along the direction vertical to the top surface of the workbench through the vertical moving mechanism, the vertical moving mechanism comprises a first guide rail and a second guide rail which are vertically fixed on the top surface of the workbench, a lifting cross rod is connected between the first guide rail and the second guide rail, and the lifting cross rod is connected with a first driving mechanism which can enable the first V-shaped block to move up and down along the first guide rail and the second guide rail, the second V-shaped block is fixed at the top of the lifting cross rod; the eccentric shaft rotating mechanism comprises a sliding rail, a first guide pillar and a second guide pillar are vertically fixed at one end of the sliding rail, a lifting plate is arranged between the first guide pillar and the second guide pillar, a rotating motor is fixed on the top surface of the lifting plate, an electromagnet is fixed on an output shaft of the rotating motor, the lifting plate is connected with a driving mechanism II capable of lifting up and down along the first guide pillar and the second guide pillar, a pulley block is fixed at the bottom of a lifting cross rod, the sliding rail is arranged in the pulley block in a penetrating manner, and the sliding rail can slide in the pulley block to enable the electromagnet to be close to or far away from the second V-shaped block; the eccentric shaft detection mechanism comprises a third guide pillar and a fourth guide pillar, the third guide pillar and the fourth guide pillar are horizontally fixed above the workbench through a support, a first sliding plate is connected between the third guide pillar and the fourth guide pillar and connected with a third driving mechanism capable of sliding along the third guide pillar and the fourth guide pillar, a first measuring head group is arranged on the first sliding plate and comprises a vertically arranged measuring plate, a base strip is fixed at the top end of the measuring plate, a first guide pillar and a second guide pillar are vertically fixed at the top end of the base strip, a first guide sleeve and a second guide sleeve are fixed on the first sliding plate, a first guide sleeve penetrates through the top end of the first guide pillar, a second guide sleeve penetrates through the top end of the second guide pillar, a first reset spring is sleeved on the first guide pillar, the bottom end of the first reset spring is abutted against the top end of the base strip, the top end of the first reset spring is abutted against the bottom end of the second guide sleeve, and a second reset spring is arranged on the guide pillar, the bottom of reset spring two with base strip top contradict, the top of reset spring two with the bottom of uide bushing two contradicts, the top of guide post one and guide post two is fixed with the bottom of a base plate, and the base plate is connected with a linear displacement sensor, the bottom of workstation is provided with one and transfers the platform.

The longitudinal moving mechanism comprises a fifth guide pillar and a sixth guide pillar, the fifth guide pillar and the sixth guide pillar are horizontally arranged on the workbench, two ends of the fifth guide pillar are fixed to the top surface of the workbench through a supporting seat, two ends of the sixth guide pillar are fixed to the top surface of the workbench through the supporting seat, the fifth guide pillar is sleeved with the fifth guide sleeve, the sixth guide pillar is sleeved with the sixth guide sleeve, a second sliding plate is fixedly connected between the fifth guide sleeve and the sixth guide sleeve, a supporting frame is fixed on the second sliding plate, and the first V-shaped block is fixedly.

The first driving mechanism comprises a first guide wheel set and a second guide wheel set, the first guide wheel set is clamped on the first guide rail, and can slide up and down along the first guide rail, the second guide wheel set is clamped on the second guide rail and can slide up and down along the second guide rail, one end of the lifting cross bar is fixed with the first guide wheel set, the other end of the lifting cross bar is fixed with the second guide wheel set, the first guide wheel set is fixed with the first threaded sleeve, the second guide wheel set is fixed with the second threaded sleeve, the workbench is fixedly provided with a first driving motor and a second driving motor, an output shaft of the first driving motor is fixedly connected with a first lead screw, an output shaft of the second driving motor is fixedly connected with a second lead screw, the top end of the first lead screw is screwed in and extends out of the screw sleeve and is connected with a hinged seat fixed at the top of the first guide rail, and the top end of the second lead screw is screwed in and extends out of the second screw sleeve and is connected with a hinged seat fixed at the top of the second guide rail.

The first guide wheel set comprises a first clamping plate and a second clamping plate, a first guide wheel and a second guide wheel are arranged between the first clamping plate and the second clamping plate, a first guide groove is formed in one side of the first guide rail, a second guide groove is formed in the other side of the first guide rail, the first guide wheel is abutted to the first guide groove and can slide up and down along the first guide groove, and the second guide wheel is abutted to the second guide groove and can slide up and down along the second guide groove; the guide wheel set II comprises a clamp plate III and a clamp plate IV, a guide wheel III and a guide wheel IV are arranged between the clamp plate III and the clamp plate IV, a guide groove III is formed in one side of the guide rail II, a guide groove IV is formed in the other side of the guide rail II, the guide wheel III is abutted to the guide groove III and can slide up and down along the guide groove III, and the guide wheel IV is abutted to the guide groove IV and can slide up and down along the guide groove IV; the first threaded sleeve is fixed with the first clamping plate through a bent pin, the second threaded sleeve is fixed with the third clamping plate through a bent pin, one end of the lifting cross rod is fixed with the second clamping plate, and the other end of the lifting cross rod is fixed with the fourth clamping plate.

The pulley block comprises a clamp plate five and a clamp plate six, a guide wheel five and a guide wheel six are arranged between the clamp plate five and the clamp plate six, a guide groove five is formed in the top of the sliding rail, a guide groove six is formed in the bottom of the sliding rail, the guide wheel five is abutted to the guide groove five and can slide along the guide groove five, the guide wheel six is abutted to the guide groove six and can slide along the guide groove six, and the tops of the clamp plate five and the clamp plate six are fixed with the bottom of the lifting cross rod.

The leveling platform comprises a platform plate, wherein a first supporting leg, a second supporting leg, a third supporting leg and a fourth supporting leg are fixed at the bottom of the platform plate, the first supporting leg comprises a first leg column, the top end of the first leg column is fixed with the bottom of the platform plate through a first universal joint, the second supporting leg comprises a second leg column, the top end of the second leg column is fixed with a first hydraulic cylinder, the cylinder body of the first hydraulic cylinder is fixed with the top end of the second leg column, the top end of a first piston rod of the first hydraulic cylinder is fixed with the bottom of the platform plate through a second universal joint, the third supporting leg comprises a third leg column, the top end of the third leg column is fixed with a second hydraulic cylinder, the cylinder body of the second hydraulic cylinder is fixed with the top end of the third leg column, the top end of a second piston rod of the second hydraulic cylinder is fixed with the bottom of the platform plate through a third universal joint, the fourth supporting leg column comprises a fourth leg column, the top end of the fourth leg column is fixed with a third hydraulic cylinder, the cylinder body of the hydraulic cylinder body of the third hydraulic cylinder is fixed with the top end of the leg column through a universal joint, a first longitudinal rod is fixedly connected between the first leg column and the second leg column, a second longitudinal rod is fixedly connected between the third leg column and the fourth leg column, a first transverse rod is fixedly connected between the first leg column and the fourth leg column, a second transverse rod is fixedly connected between the second leg column and the third leg column, a first transverse plate is fixedly connected between the first longitudinal rod and one end of the second longitudinal rod, and a second transverse plate is fixedly connected between the first longitudinal rod and the other end of the second longitudinal rod; the hydraulic cylinder comprises a hydraulic cylinder I, a hydraulic main cylinder and a push rod motor I, wherein the outer wall of a cylinder body of the hydraulic cylinder I is provided with a first liquid guide nozzle communicated with the inner cavity of the hydraulic cylinder I, the first liquid guide nozzle is internally provided with a first electromagnetic valve, the communicating pipe is connected with a second liquid guide nozzle, the second liquid guide nozzle is internally provided with a second electromagnetic valve, the transverse plate II is fixedly provided with a hydraulic main cylinder and a push rod motor I, the hydraulic main cylinder comprises a cylinder body, a hydraulic cavity is formed in the cylinder body of the hydraulic main cylinder, hydraulic oil is arranged in the hydraulic cavity, one end of the cylinder body of the hydraulic main cylinder is provided with a third liquid guide nozzle communicated with the hydraulic cavity, the other end of the cylinder body of the hydraulic main cylinder extends out to form a piston rod, the piston rod is connected with a piston in the hydraulic main cylinder, a push rod of the push rod motor I is connected with the piston rod of the hydraulic main cylinder, the third liquid guide nozzle is connected with an oil delivery pipe, and the oil delivery pipe is connected with the first liquid guide nozzle and the second liquid guide nozzle through a tee joint; the bottom of the bedplate is provided with a level detector for feeding back the level state of the bedplate, and the push rod motor I and the level detector are connected with a controller through a circuit.

The horizontal detector comprises a cuboid-shaped detection cover, the top end of the detection cover is fixed with the bottom surface of the bedplate, a detection cavity is arranged in the detection cover, a contact ball is vertically suspended in the detection cavity, a first contact switch, a second contact switch, a third contact switch and a fourth contact switch are respectively arranged on the front side, the rear side, the left side and the right side of the contact ball, the first contact switch is connected with a first adjusting mechanism capable of enabling the first contact switch to approach or separate from the contact ball, the first adjusting mechanism comprises a first adjusting screw rod, a first screw sleeve is fixed on one side wall of the detection cover, one end of a screw thread part of the first adjusting screw rod is screwed into a screw hole of the first screw sleeve and extends into the detection cavity, the first contact switch and one end of the first adjusting screw rod extending into the detection cavity are fixed, the other end of the first adjusting screw rod is a light rod part, knurling is arranged at the end of the light rod part, and a first scale mark is further carved on the light rod part along the axial direction of the light rod part; the contact switch II is connected with an adjusting mechanism II which can enable the contact switch II to be close to or far away from the contact ball, the adjusting mechanism II comprises an adjusting screw rod II, a screw sleeve II is fixed on the side wall of the detection cover opposite to the screw sleeve I, one end of a screw thread part of the adjusting screw rod II is screwed into a screw hole of the screw sleeve II and extends into the detection cavity, the contact switch II is fixed with one end of the adjusting screw rod II, which extends into the detection cavity, the other end of the adjusting screw rod II is a polished rod part, the end part of the polished rod part is provided with a knurl, and a second scale mark is also engraved on the polished rod part along the axial direction of the polished rod part; the contact switch III is connected with an adjusting mechanism III which can enable the contact switch III to be close to or far away from the contact ball, the adjusting mechanism III comprises an adjusting screw rod III, a screw sleeve III is fixed on the side wall of the detection cover adjacent to the screw sleeve I, one end of a screw thread part of the adjusting screw rod III is screwed into a screw hole of the screw sleeve III and extends into the detection cavity, the contact switch III is fixed with one end of the adjusting screw rod III extending into the detection cavity, the other end of the adjusting screw rod III is a polished rod part, the end part of the polished rod part is provided with a knurl, and a scale mark III is further engraved on the polished rod part along the axial direction of the polished rod part; the contact switch IV is connected with an adjusting mechanism IV which can enable the contact switch IV to be close to or far away from the contact ball, the adjusting mechanism IV comprises an adjusting screw rod IV, a screw sleeve IV is fixed on the side wall of the detection cover opposite to the screw sleeve III, one end of a screw thread part of the adjusting screw rod IV is screwed into a screw hole of the screw sleeve IV and extends into the detection cavity, the contact switch IV is fixed with one end of the adjusting screw rod IV extending into the detection cavity, the other end of the adjusting screw rod IV is a polished rod part, the end part of the polished rod part is provided with a knurl, and the polished rod part is also engraved with a scale mark IV along the axial direction of the polished rod part; the contact ball, the first contact switch, the second contact switch, the third contact switch and the fourth contact switch are connected with the controller through lines.

A first rotating rod is fixed between one end of the first vertical rod and one end of the second vertical rod in an axial fixing and circumferential rotating mode, a second rotating rod is fixed between the other end of the first vertical rod and the other end of the second vertical rod in an axial fixing and circumferential rotating mode, a first supporting leg and a second supporting leg are fixed at the bottom end of the first rotating rod, a third supporting leg and a fourth supporting leg are fixed at the bottom end of the second rotating rod, a first universal wheel, a second universal wheel, a third universal wheel and a fourth universal wheel are respectively fixed at the bottom ends of the first supporting leg, the second supporting leg, the third supporting leg and the fourth supporting leg, a first pull rod is fixed at the middle part of the first rotating rod, a second pull rod is fixed at the middle part of the second rotating rod, a second push rod motor is fixed at the bottom of the center of the bedplate, a hinged frame is fixed at the end part of a push rod of the second push rod motor, and the end parts of the first pull rod and the second pull rod are hinged frames; the first supporting leg is fixedly provided with a first arc-shaped rod, the bottom end of the first arc-shaped rod is fixed with the first supporting leg, the top end of the first arc-shaped rod penetrates through the first transverse plate, a first compression spring is sleeved on the first arc-shaped rod, the bottom end of the first compression spring is abutted against the first supporting leg, the top end of the first compression spring is abutted against the bottom of the first transverse plate, the first supporting leg is further fixedly provided with a first arc-shaped stop rod, the bottom end of the first stop rod is fixed with the first supporting leg, and the top end of the first stop rod faces the first transverse plate and can be abutted against the bottom of the first transverse plate; the support leg II is fixedly provided with an arc-shaped rod II, the bottom end of the arc-shaped rod II is fixed with the support leg II, the top end of the arc-shaped rod II penetrates through the transverse plate I, the arc-shaped rod II is sleeved with a compression spring II, the bottom end of the compression spring II is abutted against the support leg II, the top end of the compression spring II is abutted against the bottom of the transverse plate I, the support leg II is also fixedly provided with an arc-shaped stop rod II, the bottom end of the stop rod II is fixed with the support leg II, and the top end of the stop rod II faces towards the transverse plate and can be abutted against the bottom of the transverse plate I; the third supporting leg is fixedly provided with a third arc-shaped rod, the bottom end of the third arc-shaped rod is fixed with the third supporting leg, the top end of the third arc-shaped rod penetrates through the second transverse plate, the third arc-shaped rod is sleeved with a third compression spring, the bottom end of the third compression spring is abutted against the third supporting leg, the top end of the third compression spring is abutted against the bottom of the second transverse plate, the third supporting leg is also fixedly provided with a third arc-shaped stop rod, the bottom end of the third stop rod is fixed with the third supporting leg, and the top end of the third stop rod faces towards the second transverse plate and can be abutted against the bottom of the second transverse plate; the support leg IV is fixedly provided with an arc-shaped rod IV, the bottom end of the arc-shaped rod IV is fixed with the support leg IV, the top end of the arc-shaped rod IV penetrates through the transverse plate II, the arc-shaped rod IV is sleeved with a compression spring IV, the bottom end of the compression spring IV is abutted against the support leg IV, the top end of the compression spring IV is abutted against the bottom of the transverse plate II, the support leg IV is also fixedly provided with an arc-shaped stop rod IV, the bottom end of the stop rod IV is fixed with the support leg IV, and the top end of the stop rod IV faces towards the transverse plate II and can be abutted against the bottom of the transverse plate II; and the second push rod motor is connected with the controller through a circuit.

The device comprises a chuck plate and a disc cover, and is characterized by further comprising a shaft end jacket, wherein the shaft end jacket comprises the chuck plate and the disc cover, a vortex-shaped first sliding groove is formed in one side surface of the chuck plate, a second sliding groove communicated with the other side of the chuck plate is formed in the bottom of the first sliding groove, a first linkage rod, a second linkage rod and a third linkage rod which are uniformly distributed along the circumferential direction of the chuck plate are arranged in the first sliding groove, the first linkage rod comprises a first sliding column, the first sliding column is arranged in the first sliding groove, a first right connecting rod is fixed to one side end of the first sliding column, the first right connecting rod penetrates out of the second sliding groove, and a first left connecting rod is fixed to the other side end of the first sliding column; the linkage rod II comprises a sliding column II, the sliding column II is arranged in the sliding groove I, a second right connecting rod is fixed to one side end of the sliding column II, the second right connecting rod penetrates out of the sliding groove II, and a second left connecting rod is fixed to the other side end of the sliding column II; the linkage rod III comprises a sliding column III, the sliding column III is arranged in the sliding groove I, a third right connecting rod is fixed to one side end of the sliding column III, the third right connecting rod penetrates through the sliding groove II, and a third left connecting rod is fixed to the other side end of the sliding column I; the disc cover is provided with a third spiral sliding groove penetrating through the top surface and the bottom surface of the disc cover, the disc cover and the side surface of the chuck are fixed to enable the first sliding column, the second sliding column and the third sliding column to be limited in the first sliding groove, the third sliding groove is opposite to the first sliding groove, and the end parts of the first left connecting rod, the second left connecting rod and the third left connecting rod extend out of the third sliding groove; the end parts of the first left connecting rod, the second left connecting rod and the third left connecting rod are radially and respectively provided with a first guide hole, a second guide hole and a third guide hole, the center of the disk cover is rotatably provided with a limiting sleeve, the limiting sleeve is circumferentially provided with a limiting groove, a first driving lever, a second driving lever and a third driving lever are slidably arranged in the first guide hole, the second guide hole and the third guide hole in a penetrating manner, and one ends of the inner sides of the first driving lever, the second driving lever and the third driving lever extend into the limiting groove to be detachably fixed with the limiting sleeve; the end parts of the first right connecting rod, the second right connecting rod and the third right connecting rod are radially provided with a first screw hole, a second screw hole and a third screw hole respectively, a first threaded ejector rod, a second threaded ejector rod and a third threaded ejector rod are screwed into the first screw hole, the second screw hole and the third screw hole respectively, the first threaded ejector rod, the second threaded ejector rod and the third threaded ejector rod all point to the axis of the chuck plate, and a first locking nut, a second locking nut and a third locking nut are screwed on the first threaded ejector rod, the second threaded ejector rod and the third threaded ejector rod respectively; and the center of the end surface of one side of the chuck, which is positioned on the first threaded ejector rod, the second threaded ejector rod and the third threaded ejector rod, is provided with a calibration hole, and a calibration rod is detachably fixed in the calibration hole.

The invention also provides a detection method of the eccentric shaft detection device, which comprises the following steps:

a. moving the detection device to a station through a movable adjusting platform;

b. leveling the leveling platform moved to the station to enable the workbench to be in a horizontal state;

c. placing a standard measuring rod between the first V-shaped block and the second V-shaped block, abutting a measuring plate in a measuring head against the standard measuring rod, axially moving along the standard measuring rod, and checking the equal heights of the first V-shaped block and the second V-shaped block;

d. and clamping the non-circular-section shaft head end of the to-be-detected piece by using a shaft end clamping sleeve, and then placing the shaft end clamping sleeve on the V-shaped block I or the V-shaped block II for detection.

Compared with the prior art, the invention has the following advantages:

1. the invention records the data of the measuring result through the displacement sensor, and has the advantage of accurate measurement.

2. The invention can measure the straightness, coaxiality, parallelism, eccentricity and the like of each shaft section of the eccentric shaft, and has the advantage of multiple measuring items.

3. The invention moves the whole detection device through the leveling platform and levels the workbench, and has the advantages of convenient use and accurate leveling.

4. The level detector disclosed by the invention not only has the advantage of accurate leveling, but also has the advantage of adjustable leveling precision.

5. According to the invention, the shaft end jacket is clamped at the shaft head end with the non-circular cross section, and then the shaft end jacket is placed on the V-shaped block for detection, so that the detection device has the advantage of wide applicability.

6. According to the invention, the shaft end jacket can clamp the shaft end with a circular section and the shaft end with polygonal sections such as a triangle, a quadrangle and a pentagon, one set of shaft end jacket can be suitable for use, and a plurality of sets of shaft ends suitable for different sides are not required to be prepared, so that the novel shaft end jacket has the advantages of simple structure, low cost and the like.

Drawings

FIG. 1 is a schematic diagram of a forward axial structure of the present invention.

Fig. 2 is a schematic diagram of the rear axial structure of the present invention.

Fig. 3 is a schematic view of an eccentric shaft rotating mechanism in the present invention.

FIG. 4 is a schematic diagram of a forward axial structure of the tuning platform of the present invention.

FIG. 5 is a schematic bottom-view axial structure of the tuning platform of the present invention.

FIG. 6 is a schematic cross-sectional view of the level detecting device of the present invention.

Fig. 7 is a schematic left-side view axial structure diagram of a shaft end jacket with a three-sided clamping section.

Fig. 8 is a schematic diagram of a right-view axial structure of a shaft end jacket with a three-sided clamping section.

Fig. 9 is a schematic view of the explosion structure of the shaft end jacket of the invention clamping the shaft end with a trilateral cross section.

Fig. 10 is a schematic view of the alignment rod of the present invention inserted into the alignment holes of the chuck.

FIG. 11 is a schematic view of the left side view of the shaft end clamping sleeve with a clamping section of a quadrilateral shaft end according to the present invention.

FIG. 12 is a schematic diagram of a right side view axial structure of a shaft end clamping sleeve with a clamping section of a quadrilateral shaft end in the invention.

Fig. 13 is a schematic structural view of the eccentric shaft head end with a triangular cross section.

In the figure, 1, a workbench; 2. a first V-shaped block; 3. a V-shaped block II; 4. a first guide rail; 4a, a first guide groove; 4b, a second guide groove; 5. a second guide rail; 5a, a guide groove III; 5b, a guide groove IV; 6. a lifting cross bar; 7. a slide rail; 7a and a guide groove five; 7b, a guide groove six; 8. a first guide post; 9. a second guide post; 10. a lifting plate; 11. rotating the motor; 12. an electromagnet; 13. a pulley block; 13a, a splint five; 13b, a splint six; 13c, a fifth guide wheel; 13d, a guide wheel six; 14. a third guide pillar; 15. a fourth guide pillar; 16. a support; 17. a first sliding plate; 18. measuring a plate; 19. a base strip; 20. a first guide post; 21. a second guide post; 22. a first guide sleeve; 23. a second guide sleeve; 24. a first return spring; 25. a second return spring; 26. a substrate; 26a, a lifting hole; 27. a linear displacement sensor; 28. a fifth guide pillar; 29. a sixth guide post; 30. fifthly, guiding a sleeve; 31. sixthly, guiding a sleeve; 32. a second sliding plate; 33. a support frame; 34. a first bracket; 35. a first guide wheel set; 35a, clamping plate I; 35b, a second clamping plate; 35c, a first guide wheel; 35d, a second guide wheel; 36. a second guide wheel set; 36a, a third clamping plate; 36b, a splint four; 36c, a third guide wheel; 36d, a guide wheel IV; 37. a first screw sleeve; 38. a second threaded sleeve; 39. a first drive motor; 40. a second drive motor; 41. a first screw rod; 42. a second screw rod; 43. a second driving motor; 44. a third screw rod; 45. a third screw sleeve; 46. a first guide sleeve; 47. a second guide sleeve; 48. driving a motor III; 49. a fourth screw rod; 50. a third guide sleeve; 51. a fourth guide sleeve; 52. fourthly, a screw sleeve; 53. a lifting rod; 54. a second bracket; 55. a platen; 56. a first leg column; 57. a second leg column; 58. a third leg column; 59. a fourth leg column; 60. a first hydraulic cylinder; 61. a second hydraulic cylinder; 62. a hydraulic cylinder III; 63. a first longitudinal rod; 64. a second vertical rod; 65. a first cross bar; 66. a second cross bar; 67. a first transverse plate; 68. a transverse plate II; 69. a communicating pipe; 70. a first liquid guide nozzle; 71. a second liquid guide nozzle; 72. a hydraulic master cylinder; 73. a push rod motor I; 74. a third liquid guide nozzle; 75. a detection cover; 76. contacting the ball; 77. a contact switch III; 78. a contact switch IV; 79. adjusting a screw rod III; 79a, third graduation line; 80. a third screw sleeve; 81. adjusting a screw rod IV; 81a and a scale mark four; 82. fourthly, a screw sleeve; 83. a first rotating rod; 84. a second rotating rod; 85. a first support leg; 86. a second support leg; 87. a third support leg; 88. a fourth support leg; 89. a first universal wheel; 90. a second universal wheel; 91. a third universal wheel; 92. a universal wheel IV; 93. a first pull rod; 94. a second pull rod; 95. a push rod motor II; 96. a hinged frame; 97. a first arc-shaped rod; 98. a first compression spring; 99. a first stop rod; 100. a chuck; 100a, a first sliding groove; 100b, a second chute; 100c, a calibration hole; 101. a plate cover; 101a and a third chute; 102. a first linkage rod; 102a, a sliding column I; 102b, a first right connecting rod; 102c, a first left connecting rod; 103. a linkage rod II; 104. a linkage rod III; 105. a limiting sleeve; 105a, a limiting groove; 106. a first threaded mandril; 107. a second threaded ejector rod; 108. a third threaded mandril; 109. locking the first nut; 110. locking a second nut; 111. locking a nut III; 112. a calibration bar; 113. a shaft head end; 114. a first deflector rod; 115. a second deflector rod; 116. and a third deflector rod.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, an eccentric shaft detection device comprises a workbench 1 and is characterized in that the eccentric shaft detection device comprises an eccentric shaft clamping mechanism, an eccentric shaft rotating mechanism and an eccentric shaft detection mechanism, the eccentric shaft clamping mechanism comprises a first V-shaped block 2 and a second V-shaped block 3, the first V-shaped block 2 is supported on the workbench 1 through a longitudinal moving mechanism, the first V-shaped block 2 can move back and forth towards the second V-shaped block 3 through the longitudinal moving mechanism, the second V-shaped block 3 is arranged on the workbench 1 through a vertical moving mechanism, the second V-shaped block 3 can move up and down along the direction vertical to the top surface of the workbench 1 through the vertical moving mechanism, the vertical moving mechanism comprises a first guide rail 4 and a second guide rail 5 which are vertically fixed on the top surface of the workbench 1, a lifting cross rod 6 is connected between the first guide rail 4 and the second guide rail 5, the lifting cross rod 6 is connected with a first driving mechanism which can enable the lifting cross rod to move up and down along the first guide rail 4 and the second guide rail 5, the V-shaped block II 3 is fixed at the top of the lifting cross rod 6; the eccentric shaft rotating mechanism comprises a sliding rail 7, a first guide pillar 8 and a second guide pillar 9 are vertically fixed at one end of the sliding rail 7, a lifting plate 10 is arranged between the first guide pillar 8 and the second guide pillar 9, a rotating motor 11 is fixed on the top surface of the lifting plate 10, an electromagnet 12 is fixed on an output shaft of the rotating motor 11, the lifting plate 10 is connected with a second driving mechanism capable of lifting up and down along the first guide pillar 8 and the second guide pillar 9, a pulley block 13 is fixed at the bottom of the lifting cross rod 6, the sliding rail 7 is arranged in the pulley block 13 in a penetrating mode, and the sliding rail 7 can slide in the pulley block 13 to enable the electromagnet 12 to be close to or far away from the V-shaped block 3; the eccentric shaft detection mechanism comprises a third guide pillar 14 and a fourth guide pillar 15, the third guide pillar 14 and the fourth guide pillar 15 are horizontally fixed above the workbench 1 through a support 16, a first sliding plate 17 is connected between the third guide pillar 14 and the fourth guide pillar 15, the first sliding plate 17 is connected with a third driving mechanism capable of enabling the first sliding plate to slide along the third guide pillar 14 and the fourth guide pillar 15, a measuring head set is arranged on the first sliding plate 17 and comprises a vertically arranged measuring plate 18, a base strip 19 is fixed at the top end of the measuring plate 18, a first guide pillar 20 and a second guide pillar 21 are vertically fixed at the top end of the base strip 19, a first guide sleeve 22 and a second guide sleeve 23 are fixed on the first sliding plate 17, the first guide pillar 20 penetrates through the first guide sleeve 22, the second guide pillar 21 penetrates through the second guide sleeve 23, a first return spring 24 is sleeved on the first guide pillar 20, the bottom end of the first return spring 24 is abutted against the top end of the base strip 19, the top end of the return spring 24 is abutted against the bottom end of the first guide sleeve 22, the second 21 cover of guide post is equipped with two 25 reset springs, and the bottom and the base strip 19 top of two 25 reset springs are contradicted, and the top of two 25 reset springs is contradicted with the bottom of two 23 of uide bushing, and the top of guide post 20 and two 21 guide post is fixed with the bottom of a base plate 26, and base plate 26 is connected with a linear displacement sensor 27, the bottom of workstation 1 is provided with one and transfers the platform.

The working principle is as follows: one end of an eccentric shaft to be detected is placed on a first V-shaped block 2, the other end of the eccentric shaft to be detected is placed on a second V-shaped block 3, the first V-shaped block 2 can move back and forth towards the second V-shaped block 3 through a longitudinal moving mechanism to adapt to different eccentric shaft lengths, the second V-shaped block 3 enables a lifting cross rod 6 to move up and down through a first driving mechanism, the second V-shaped block 3 is enabled to be equal in height to the first V-shaped block 2, and the eccentric shaft is enabled to be in a horizontal placing state, in the embodiment, equal height adjustment of the second V-shaped block 3 and the first V-shaped block 2 can be achieved through a level, one end of a level is placed on the first V-shaped block 2, the other end of the level is placed on the second V-shaped block 3, when bubbles of a level in the middle of the level are in a zero line scale, the level is in a horizontal state, namely, the equal height of the second V-shaped block 3 and the first V-shaped block 2, in the embodiment, the driving mechanism is connected with a controller fixed on a workbench 1 through a circuit, the controller is a product in the prior art, and controls the first driving mechanism to enable the lifting cross rod 6 to move up and down through the controller; adjusting an eccentric shaft rotating mechanism, sliding a sliding rail 7 in a pulley block 13, adjusting the height of a lifting plate 10 through a driving mechanism II, enabling an electromagnet 12 to be in contact with the end part of an eccentric shaft on a V-shaped block II 3, electrifying the electromagnet 12 to be adsorbed and fixed with the end part of the eccentric shaft, wherein a rotating motor 11 on the lifting plate 10 is a stepping motor, the stepping motor drives the electromagnet 12 to rotate, so that the eccentric shaft rotates at different positions, and the eccentric shaft detection mechanism can conveniently detect the positions of different shaft sections of the eccentric shaft, in the embodiment, the driving mechanism II, the rotating motor 11 and the electromagnet 12 are all connected with a controller through circuits, in order to enable the rotation center of the electromagnet 12 to be aligned with the rotation center of the eccentric shaft, in the embodiment, a magnetic suction head of the electromagnet 12 is cylindrical, the electromagnet 12 is a product in the prior art, a salient point is arranged on the end surface of the magnetic suction head, and when the eccentric shaft is processed, the end surface of the shaft end is provided with a central hole, and the salient point on the end surface of the magnetic suction head is aligned with and inserted into the central hole, so that the rotation center of the electromagnet 12 is aligned with the rotation center of the eccentric shaft; a third driving mechanism and a linear displacement sensor 27 in the eccentric shaft detection mechanism are connected with the controller through lines, the controller controls the third driving mechanism to move a measuring head group to the position above a shaft section to be detected of the eccentric shaft, a measuring plate 18 in the measuring head group is abutted against the shaft section to be detected of the eccentric shaft, when the eccentric distance of the shaft section of the eccentric shaft is measured, the controller controls a rotating motor 11 to rotate, the measuring plate 18 generates vertical deviation, the measuring plate 18 is always abutted against the shaft section of the eccentric shaft under the action of a first return spring 24 and a second return spring 25, the vertical deviation is transmitted to a base plate 26 through a first guide pillar 20 and a second guide pillar 21, the vertical deviation value acquired by the linear displacement sensor 27 is transmitted to the controller, the controller reads the vertical deviation value, and one half of the vertical deviation value is the eccentric distance of the eccentric shaft section to be detected; when detecting the straightness, the coaxiality and the parallelism of the shaft section of the eccentric shaft, the controller controls the rotating motor 11 to stop rotating, the measuring plate 18 is abutted against the detecting shaft section, the controller controls the driving mechanism III to enable the measuring plate 18 to move along the length direction of the detecting shaft section, the linear displacement sensor 27 obtains a height deviation value, the straightness of the shaft section is obtained through a formula according to the height deviation value, the rotation of the eccentric shaft through the rotating motor 11 can detect the straightness of different positions of the shaft section, and the detection of the coaxiality and the parallelism is obtained through the height deviation value generated when the measuring plate 18 axially displaces in the same way.

The longitudinal moving mechanism comprises a five guide pillar 28 and a six guide pillar 29 which are horizontally arranged on the workbench 1, two ends of the five guide pillar 28 are fixed with the top surface of the workbench 1 through supporting seats, two ends of the six guide pillar 29 are fixed with the top surface of the workbench 1 through supporting seats, the five guide pillar 28 is sleeved with a five guide sleeve 30, the six guide pillar 29 is sleeved with a six guide sleeve 31, a second sliding plate 32 is fixedly connected between the five guide sleeve 30 and the six guide sleeve 31, a supporting frame 33 is fixed on the second sliding plate 32, and a first V-shaped block 2 is fixedly connected with the top of the supporting frame 33. The second sliding plate 32 is manually pushed to slide along the fifth guide post 28 and the sixth guide post 29 longitudinally through the fifth guide sleeve 30 and the sixth guide sleeve 31.

The V-shaped block 2 is detachably connected with the support frame 33 through the first bracket 34, the V-shaped block 2 with different specifications can be conveniently replaced, in the embodiment, the V-shaped block 2 and the first bracket 34 as well as the first bracket 34 and the support frame 33 are detachably connected in a bolt-nut connection mode.

The first driving mechanism comprises a first guide wheel set 35 and a second guide wheel set 36, the first guide wheel set 35 is clamped on the first guide rail 4, the lifting cross bar 6 is fixed with a first guide wheel set 35 at one end and a second guide wheel set 36 at the other end, a first threaded sleeve 37 is fixed on the first guide wheel set 35, a second threaded sleeve 38 is fixed on the second guide wheel set 36, a first driving motor 39 and a second driving motor 40 are fixed on the workbench 1, a first lead screw 41 is fixedly connected to an output shaft of the first driving motor 39, a second lead screw 42 is fixedly connected to an output shaft of the second driving motor 40, the top end of the first lead screw 41 is screwed into the first extended threaded sleeve 37 and connected with a hinged seat fixed at the top of the first guide rail 4, and the top end of the second lead screw 42 is screwed into the hinged seat extended out of the second threaded sleeve 38 and connected with the hinged seat fixed at the top of the second guide rail 5. The first driving motor 39 and the second driving motor 40 are both connected with the controller through circuits, and the first screw rod 41 and the second screw rod 42 are driven to rotate through the first driving motor 39 and the second driving motor 40, so that the lifting cross rod 6 can slide up and down.

The first guide wheel set 35 comprises a first clamping plate 35a and a second clamping plate 35b, a first guide wheel 35c and a second guide wheel 35d are arranged between the first clamping plate 35a and the second clamping plate 35b, a first guide groove 4a is formed in one side of the first guide rail 4, a second guide groove 4b is formed in the other side of the first guide rail 4, the first guide wheel 35c abuts against the first guide groove 4a and can slide up and down along the first guide groove 4a, and the second guide wheel 35d abuts against the second guide groove 4b and can slide up and down along the second guide groove 4 b; the second guide wheel set 36 comprises a third clamping plate 36a and a fourth clamping plate 36b, a third guide wheel 36c and a fourth guide wheel 36d are arranged between the third clamping plate 36a and the fourth clamping plate 36b, a third guide groove 5a is formed in one side of the second guide rail 5, a fourth guide groove 5b is formed in the other side of the second guide rail 5, the third guide wheel 36c abuts against the third guide groove 5a and can slide up and down along the third guide groove 5a, and the fourth guide wheel 36d abuts against the fourth guide groove 5b and can slide up and down along the fourth guide groove 5 b; the first threaded sleeve 37 is fixed with the first clamping plate 35a through a bent pin, the second threaded sleeve 38 is fixed with the third clamping plate 36a through a bent pin, one end of the lifting cross rod 6 is fixed with the second clamping plate 35b, and the other end of the lifting cross rod is fixed with the fourth clamping plate 36 b.

The driving mechanism II comprises a driving motor II 43, a machine body of the driving motor II 43 is fixed with the end part of the slide rail 7, an output shaft of the driving motor II 43 is fixedly connected with a screw rod III 44, a lifting plate 10 is fixedly provided with a screw sleeve III 45, the top end of the screw rod III 44 is screwed into and extends out of the screw sleeve III 45, one side of the lifting plate 10 is fixedly provided with a guide sleeve I46, the other side of the lifting plate 10 is fixedly provided with a guide sleeve II 47, the guide sleeve I46 is sleeved into the guide pillar I8, and the guide sleeve II 47 is sleeved into the guide pillar II 9. The second driving motor 43 is connected with the controller through a line, and the lifting plate 10 is lifted up and down through the rotation of the screw rod.

The pulley block 13 comprises a five-clamping-plate 13a and a six-clamping-plate 13b, a five-guide-wheel 13c and a six-guide-wheel 13d are arranged between the five-clamping-plate 13a and the six-clamping-plate 13b, a five-guide-groove 7a is formed in the top of the sliding rail 7, a six-guide-groove 7b is formed in the bottom of the sliding rail 7, the five-guide-wheel 13c abuts against the five-guide-groove 7a and can slide along the five-guide-groove 7a, the six-guide-wheel 13d abuts against the six-guide-groove 7b and can slide along the six-guide-groove 7b, and the tops of the five-clamping-plate 13a and the six-clamping-plate 13b are fixed to the bottom of the lifting cross rod 6.

The driving mechanism III comprises a driving motor III 48, a machine body of the driving motor III 48 is fixed with the support 16, an output shaft of the driving motor III 48 is fixedly connected with a screw rod IV 49, the bottom of one side of the sliding plate I17 is fixedly provided with a guide sleeve III 50, the bottom of the other side of the sliding plate I17 is fixedly provided with a guide sleeve IV 51, the guide sleeve III 50 is sleeved in the guide column III 14, the guide sleeve IV 51 is sleeved in the guide column IV 15, the sliding plate I17 is fixedly provided with a screw sleeve IV 52, and the screw rod IV 49 is screwed in and penetrates through the screw sleeve IV 52. The third driving motor 48 is connected with the controller through a circuit, and the third driving motor 48 enables the fourth screw rod 49 to rotate, so that the first sliding plate 17 slides along the third guide pillar 14 and the fourth guide pillar 15.

The lifting rod 53 is fixed on the top of the first sliding plate 17, the linear displacement sensor 27 is fixed with the lifting rod 53, the base plate 26 is provided with a lifting hole 26a, and the lifting rod 53 penetrates through the lifting hole 26 a. The linear displacement sensor 27 is a prior art product, such as a contact displacement sensor disclosed in chinese patent (application number: CN 201720248771.1). The linear displacement sensor 27 in this embodiment includes a body 27a and a measuring rod 27b, and the extension and retraction of the measuring rod generates a displacement signal, and a displacement value is displayed on a display screen of the body. In this embodiment, the body of the linear displacement sensor 27 is fixed to the lifting rod 53, and the end of the measuring rod is fixed to the top of the substrate 26.

The second V-shaped block 3 is detachably connected with the top of the lifting cross rod 6 through a second bracket 54, the second V-shaped block 3 with different specifications can be conveniently replaced, and in the embodiment, the second V-shaped block 3 is detachably connected with the second bracket 54, and the second bracket 54 is detachably connected with the lifting cross rod 6 in a bolt-nut connection mode.

As shown in fig. 4, 5 and 6, the leveling table comprises a table plate 55, a first supporting leg, a second supporting leg, a third supporting leg and a fourth supporting leg are fixed at the bottom of the table plate 55, the first supporting leg comprises a first leg column 56, the top end of the first leg column is fixed with the bottom of the table plate 55 through a first universal joint, the second supporting leg comprises a second leg column 57, the top end of the second leg column 57 is fixed with a first hydraulic cylinder 60, the cylinder body of the first hydraulic cylinder 60 is fixed with the top end of the second leg column 57, the top end of the first piston rod of the first hydraulic cylinder 60 is fixed with the bottom of the table plate 55 through a second universal joint, the third supporting leg comprises a third leg column 58, the top end of the third leg column 58 is fixed with a second hydraulic cylinder 61, the cylinder body of the second hydraulic cylinder 61 is fixed with the top end of the third leg column 58, the top end of the second piston rod of the second hydraulic cylinder 61 is fixed with the bottom of the table plate 55 through a third universal joint, the fourth supporting leg column 59, the top end of the fourth leg column 59 is fixed with a third hydraulic cylinder 62, the cylinder body of the hydraulic cylinder III 62 is fixed with the top end of the leg post IV 59, the top end of the piston rod III of the hydraulic cylinder III 62 is fixed with the bottom of the bedplate 55 through a universal joint IV, a longitudinal rod I63 is fixedly connected between the leg post I56 and the leg post II 57, a longitudinal rod II 64 is fixedly connected between the leg post III 58 and the leg post IV 59, a cross rod I65 is fixedly connected between the leg post I56 and the leg post IV 59, a cross rod II 66 is fixedly connected between the leg post II 57 and the leg post III 58, a transverse plate I67 is fixedly connected between the longitudinal rod I63 and one end of the longitudinal rod II 64, and a transverse plate II 68 is fixedly connected between the longitudinal rod I63 and the other end of the longitudinal rod II 64; the inner cavities of the second hydraulic cylinder 61 and the third hydraulic cylinder 62 are communicated with each other through a communication pipe 69, the outer wall of the cylinder body of the first hydraulic cylinder 60 is provided with a first liquid guide nozzle 70 communicated with the inner cavity of the first hydraulic cylinder, the first liquid guide nozzle 70 is internally provided with a first electromagnetic valve, the communication pipe 69 is connected with a second liquid guide nozzle 71, the second liquid guide nozzle 71 is internally provided with a second electromagnetic valve, a transverse plate 68 is fixedly provided with a first hydraulic cylinder 72 and a first push rod motor 73, the first hydraulic cylinder 72 comprises a cylinder body, a hydraulic cavity is formed in the cylinder body of the first hydraulic cylinder 72 and is internally provided with hydraulic oil, one end of the cylinder body of the first hydraulic cylinder 72 is provided with a third liquid guide nozzle 74 communicated with the hydraulic cavity, the other end of the cylinder body of the first hydraulic cylinder 72 extends out to be provided with a piston in the first hydraulic cylinder 72, a push rod of the first push rod motor 73 is connected with the piston rod of the first hydraulic cylinder 72, the third liquid guide nozzle 74 is connected with an oil delivery pipe, and the first liquid guide nozzle 70 and the second liquid guide nozzle 71 are connected through a three-way joint; the bottom of the bedplate 55 is provided with a level detector for feeding back the level state of the bedplate 55, and the push rod motor I73 and the level detector are connected with a controller through a circuit, wherein the controller is a PLC programmable controller and is fixed on the side wall of the bedplate 55.

The working principle is as follows: the horizontal detector detects the front-back inclination and the left-right inclination of the bedplate 55, a data signal is fed back to the controller, the controller controls a push rod of a push rod motor I73 to extend out, a piston rod of a hydraulic master cylinder 72 is pushed, hydraulic oil in the hydraulic master cylinder 72 passes through a liquid guide nozzle III 74, and is pushed into a hydraulic cylinder I60 through an oil conveying pipe and a liquid guide nozzle I70, a piston rod I of the hydraulic cylinder I60 extends out upwards to jack the end part of the bedplate 55 connected with the piston rod I, when the push rod of the push rod motor I73 retracts reversely, the piston rod I retracts downwards to lower the end part of the bedplate 55 connected with the piston rod I, and in the same way, the extension and retraction of a piston rod II and a piston rod III are realized, the end part of the bedplate 55 is lifted or lowered, and the inner cavities of the cylinder bodies of the hydraulic cylinder II 61 and the hydraulic cylinder III 62 are communicated with each other through a communicating pipe 69, the piston rod II and the piston rod III are lifted or lowered synchronously, so that the worktable is leveled, the four support legs of the platen 55 are prevented from generating a "false leg" phenomenon, i.e., one of the four support legs supports a force less than the other three support legs, resulting in unstable support of the platen 55. The specific leveling method is that a horizontal detector detects data of left and right inclination of the bedplate 55, the data are fed back to a controller, the controller controls a second electromagnetic valve in a second liquid guide nozzle 71 to be closed, controls a first electromagnetic valve in a first liquid guide nozzle 70 to be opened, enables a push rod of a first push rod motor 73 to stretch and retract, and controls a first piston rod of a first hydraulic cylinder 60 to ascend or descend, when the horizontal detector detects that the left and right directions of the bedplate 55 are horizontal, the controller controls the first electromagnetic valve to be closed, enables the first piston rod to stop stretching and retracting and be in a fixed state, and leveling of the left and right directions of the bedplate 55 is achieved; the horizontal detector detects the inclination degree of the bedplate 55 in the front-back direction, signals are fed back to the controller, the controller controls the second electromagnetic valve in the second liquid guide nozzle 71 to be opened, then the push rod of the first push rod motor 73 to stretch and retract, hydraulic oil in the hydraulic master cylinder 72 is synchronously pushed or flows back to the second hydraulic cylinder 61 and the third hydraulic cylinder 62, the second hydraulic rod and the third hydraulic rod synchronously ascend or descend, when the horizontal detector detects that the bedplate 55 is in the horizontal state in the front-back direction, the controller controls the second electromagnetic valve to be closed, the second piston rod and the third piston rod are fixed at the moment to achieve front-back direction leveling of the bedplate 55, at the moment, the bedplate 55 completes front-back and left-right direction leveling, the workbench placed on the bedplate 55 is in the horizontal state, and the detection accuracy of the detection device is improved.

As shown in fig. 6, the horizontal measuring instrument includes a rectangular detection cover 75, the top end of the detection cover 75 is fixed to the bottom surface of the platen 55, a detection cavity is provided in the detection cover 75, a contact ball 76 is vertically suspended in the detection cavity, the contact ball 76 is front, rear, left, a first contact switch, a second contact switch, a third contact switch 77 and a fourth contact switch 78 are respectively arranged on the right side, the first contact switch is connected with a first adjusting mechanism which can enable the first contact switch to be close to or far away from the contact ball 76, the first adjusting mechanism comprises a first adjusting screw rod, a first threaded sleeve is fixed on one side wall of the detection cover 75, one end of a threaded portion of the first adjusting screw rod is screwed into a threaded hole of the first threaded sleeve and extends into the detection cavity, the first contact switch and one end of the first adjusting screw rod, which extends into the detection cavity, are fixed, the other end of the first adjusting screw rod is a polished rod portion, the end of the polished rod portion is provided with knurls, and a first scale mark is further engraved on the polished rod portion along the axial direction of the polished rod portion; the second contact switch is connected with a second adjusting mechanism which can enable the second contact switch to be close to or far away from the contact ball 76, the second adjusting mechanism comprises a second adjusting screw rod, a second threaded sleeve is fixed on the side wall, opposite to the first threaded sleeve, of the detection cover 75, one end of a threaded portion of the second adjusting screw rod is screwed into a threaded hole of the second threaded sleeve and extends into the detection cavity, the second contact switch and one end, extending into the detection cavity, of the second adjusting screw rod are fixed, the other end of the second adjusting screw rod is a polished rod portion, a knurling is arranged at the end of the polished rod portion, and a second scale mark is further engraved on the polished rod portion along the axial direction of the polished rod portion; the third contact switch 77 is connected with a third adjusting mechanism which can enable the third contact switch to be close to or far away from the contact ball 76, the third adjusting mechanism comprises a third adjusting screw rod 79, the side wall of the detection cover 75 adjacent to the first threaded sleeve is fixedly provided with a third threaded sleeve 80, one end of the threaded part of the third adjusting screw rod 79 is screwed into the threaded hole of the third threaded sleeve 80 and extends into the detection cavity, the third contact switch 77 is fixed with one end of the third adjusting screw rod 79 extending into the detection cavity, the other end of the third adjusting screw rod 79 is a polished rod part, the end part of the polished rod part is provided with knurls, and the polished rod part is also provided with a third scale mark 79a along the axial direction of the polished rod part; the contact switch IV 78 is connected with an adjusting mechanism IV which can enable the contact switch IV to be close to or far away from the contact ball 76, the adjusting mechanism IV comprises an adjusting screw rod IV 81, the side wall of the detection cover 75 opposite to the screw sleeve III 80 is fixed with a screw sleeve IV 82, one end of a screw thread part of the adjusting screw rod IV 81 is screwed into a screw hole of the screw sleeve IV 82 and extends into the detection cavity, the contact switch IV 78 and one end of the adjusting screw rod IV 81 extending into the detection cavity are fixed, the other end of the adjusting screw rod IV 81 is a polished rod part, the end part of the polished rod part is provided with knurls, and a scale line IV 81a is further engraved on the polished rod part along the axial direction of the polished rod part; in this embodiment, the contact ball 76 is a metal ball, and is suspended on the top of the detection chamber through a wire, the wire is connected with the controller, and the first contact switch, the second contact switch, the third contact switch 77 and the fourth contact switch 78 are connected with the controller through wires.

The working principle is as follows: the suspended contact ball 76 is in a vertical suspension state under the action of gravity, when the bedplate 55 is not in a horizontal state, the detection cover 75 fixed at the bottom of the bedplate 55 tilts along with the bedplate 55, the contact ball 76 can contact with one of the contact switch I, the contact switch II, the contact switch III 77 or the contact switch IV 78, for example, when the bedplate 55 tilts towards the right, the contact ball 76 can contact with the contact switch IV 78 positioned at the right side of the contact ball 76, the contact switch IV 78 feeds back a signal to the controller, the controller adjusts the piston rod I of the hydraulic cylinder I60 to ascend, so that the bedplate 55 rotates towards the left, when the contact ball 76 is separated from the contact switch IV 78, the controller controls the piston rod I to stop ascending, at the moment, the left-right direction of the bedplate 55 is in a horizontal state, and similarly, if the contact ball 76 contacts with the contact switch III 77 at the left side, the controller controls the piston rod I to contract, until the bedplate 55 is in a horizontal state in the left-right direction, in order to eliminate the inertia influence of the left-right swinging of the contact ball 76, the controller receives a signal transmitted by the contact switch and then carries out time delay processing on the execution action of the first piston rod to prevent the contact ball 76 from continuously swinging left and right, and in addition, the contact ball 76 is suspended in the detection cover 75 to avoid the influence of wind blowing or human factors; the principle of the horizontal measuring device for detecting and adjusting the inclination of the platen 55 in the front-rear direction is the same as above. In addition, the first contact switch, the second contact switch, the third contact switch 77 and the fourth contact switch 78 are respectively fixed on the first adjusting screw, the second adjusting screw, the third adjusting screw 79 and the fourth adjusting screw 81, the distances between the contact ball 76 and the first contact switch, the second contact switch, the third contact switch 77 and the fourth contact switch 78 are adjusted by the first adjusting screw, the second adjusting screw, the third adjusting screw 79 and the fourth adjusting screw 81 according to the actual detection requirement of the detection device, so as to adjust the detection precision of the horizontal detector, when the distance is large, the detection precision is high, when the distance is small, the detection precision is small, in addition, because the distances between the four contact switches and the contact ball 76 can be independently adjusted, the horizontal adjustment precision in the left-right direction of the bedplate 55 and the horizontal adjustment precision in the front-back direction are independently opened, generally, when an eccentric shaft is detected, the horizontal state in the left-right direction of the bedplate 55 needs higher adjustment precision, and the horizontal precision in the front and back direction can be relatively tolerant, so that the adjusting time is shortened, and the efficiency is improved. And scale marks are marked on the first adjusting screw rod, the second adjusting screw rod, the third adjusting screw rod 79 and the fourth adjusting screw rod 81, so that the adjusting accuracy is improved.

A first rotating rod 83 is fixed between one end of the first vertical rod 63 and one end of the second vertical rod 64 in an axial fixed circumferential rotation mode, a second rotating rod 84 is fixed between the other end of the first vertical rod 63 and the other end of the second vertical rod 64 in an axial fixed circumferential rotation mode, a first support leg 85 and a second support leg 86 are fixed at the bottom end of the first rotating rod 83, a third support leg 87 and a fourth support leg 88 are fixed at the bottom end of the second rotating rod 84, a first universal wheel 89, a second universal wheel 90, a third universal wheel 91 and a fourth universal wheel 92 are respectively fixed at the bottom ends of the first support leg 85, the second support leg 86, the third support leg 87 and the fourth support leg 88, a first pull rod 93 is fixed at the middle part of the first rotating rod 83, a second pull rod 94 is fixed at the middle part of the second rotating rod 84, a second push rod motor 95 is fixed at the bottom of the center of the bedplate 55, a hinge frame 96 is fixed at the end part of the push rod of the second push rod motor 95, and the end part of the first pull rod 93 and the end part of the second pull rod 94 are hinged frame 96; an arc-shaped rod I97 is fixed on the first support leg 85, the bottom end of the arc-shaped rod I97 is fixed with the first support leg 85, the top end of the arc-shaped rod I97 penetrates through the first transverse plate 67, a first compression spring 98 is sleeved on the arc-shaped rod I97, the bottom end of the first compression spring 98 is abutted against the first support leg 85, the top end of the first compression spring 98 is abutted against the bottom of the first transverse plate 67, an arc-shaped stop rod I99 is further fixed on the first support leg 85, the bottom end of the first stop rod 99 is fixed with the first support leg 85, and the top end of the first stop rod 99 faces the first transverse plate 67 and can be abutted against the bottom of the first transverse plate 67; the second supporting leg 86 is fixedly provided with a second arc-shaped rod, the bottom end of the second arc-shaped rod is fixed with the second supporting leg 86, the top end of the second arc-shaped rod penetrates through the first transverse plate 67, a second compression spring is sleeved on the second arc-shaped rod, the bottom end of the second compression spring is abutted against the second supporting leg 86, the top end of the second compression spring is abutted against the bottom of the first transverse plate 67, the second supporting leg 86 is further fixedly provided with a second arc-shaped stop rod, the bottom end of the second stop rod is fixed with the second supporting leg 86, and the top end of the second stop rod faces towards the first transverse plate 67 and can be abutted; the third supporting leg 87 is fixedly provided with a third arc-shaped rod, the bottom end of the third arc-shaped rod is fixed with the third supporting leg 87, the top end of the third arc-shaped rod penetrates through the second transverse plate 68, the third arc-shaped rod is provided with a third compression spring, the bottom end of the third compression spring is abutted against the third supporting leg 87, the top end of the third compression spring is abutted against the bottom of the second transverse plate 68, the third supporting leg 87 is also fixedly provided with a third arc-shaped stop rod, the bottom end of the third stop rod is fixed with the third supporting leg 87, and the top end of the third stop rod faces the second transverse plate 68 and can be abutted against the bottom of the second transverse plate 68; the fourth support leg 88 is fixedly provided with a fourth arc-shaped rod, the bottom end of the fourth arc-shaped rod is fixed with the fourth support leg 88, the top end of the fourth arc-shaped rod penetrates through the second transverse plate 68, the fourth arc-shaped rod is sleeved with a fourth compression spring, the bottom end of the fourth compression spring is abutted against the fourth support leg 88, the top end of the fourth compression spring is abutted against the bottom of the second transverse plate 68, the fourth support leg 88 is also fixedly provided with a fourth arc-shaped stop rod, the bottom end of the fourth stop rod is fixed with the fourth support leg 88, and the top end of the fourth stop rod faces the second transverse plate 68 and can be abutted against the bottom of the second transverse plate 68; the second push rod motor 95 is connected with the controller through a circuit.

The working principle is as follows: when the leveling platform needs to be moved, the controller controls a push rod of a push rod motor II 95 to extend out, a rotating rod I83 and a rotating rod II 84 are rotated through a pull rod I93 and a pull rod II 94, a supporting leg I85 and a supporting leg II 86 are rotated through the rotating rod I83, the left end of the leveling platform is supported through a universal wheel I89 and a universal wheel II 90 which are fixed at the bottom of the leveling platform, and a leg column I56 and a leg column II 59 are separated from the ground; the second rotating rod 84 rotates to enable the third supporting leg 87 and the fourth supporting leg 88 to rotate, the right end of the adjusting platform is supported through the third universal wheel 91 and the fourth universal wheel 92 fixed at the bottom of the adjusting platform, the second leg column 57 and the third leg column 58 are separated from the ground, and therefore the adjusting platform and the whole detection device are moved through the four universal wheels. When moving to the designated station, the push rod of the push rod motor two 95 retracts, the four universal wheels are separated from the ground, the bedplate 55 is supported through the leg column one 56, the leg column two 57, the leg column three 58 and the leg column four 59, and then leveling is carried out. The first support leg 85 is fixed with a first arc-shaped rod 97, the first arc-shaped rod 97 is sleeved with a first compression spring 98, the first compression spring has the function that when a push rod of a first push rod motor 73 retracts, the leveling platform has a process of being erected, then the first leg column 56, the second leg column 57, the third leg column 58 and the fourth leg column 59 land, and in the process of erecting the leveling platform, the first universal wheel 89 is assisted to retract and be separated from the ground by the aid of elasticity of the first compression spring 98, burden of the first push rod motor 73 is relieved, and the leveling platform with heavier weight can be erected by power of the first push rod motor 73; when the push rod of the push rod motor I73 extends out and supports the leveling platform by four universal wheels, the first support leg 85 and the first vertical rod 63 form an acute included angle, the top end of the stop rod I99 on the first support leg 85 is abutted against the bottom of the first transverse plate 67, and the first support leg 85 rotates to a position, in the process, the first compression spring 98 is compressed, the first compression spring 73 is burdened along with the increasing compression degree, in order to avoid that the first support leg 85 cannot rotate to the position, the design of the invention is that when the first support leg 85 rotates to a position vertical to the first vertical rod 63, the gravity of the object on the whole leveling platform and the adjusting platform is used for assisting the first compression spring 98 to compress, the first compression spring 98 compressed to a greater degree has larger elastic potential energy, so that when the push rod of the first push rod motor 73 retracts, the elastic potential energy stored by the first compression spring 98 is used for assisting the first support leg 85 to prop up the adjusting platform, the burden of the first push rod motor 73 is reduced, and the exchange platform and the erection of heavy objects on the exchange platform are realized. In the same way, the action and principle of the second compression spring, the third compression spring and the fourth compression spring are the same as those of the first compression spring 98.

As shown in fig. 7, 8, 9 and 10, the disc-type electric spindle further comprises a shaft-end jacket, the shaft-end jacket comprises a chuck 100 and a disc cover 101, a first spiral sliding groove 100a is formed in one side surface of the chuck 100, a second sliding groove 100b communicated with the other side of the chuck 100 is formed in the bottom of the first sliding groove 100a, a first linkage rod 102, a second linkage rod 103 and a third linkage rod 104 are arranged in the first sliding groove 100a and are uniformly distributed along the circumferential direction of the chuck 100, the first linkage rod 102 comprises a first sliding column 102a, the first sliding column 102a is arranged in the first sliding groove 100a, a first right connecting rod 102b is fixed at one side end of the first sliding column 102a, the first right connecting rod 102b penetrates through the second sliding groove 100b, and a first left connecting rod 102c is fixed at the other side end of the first sliding column 102 a; the linkage rod II 103 comprises a sliding column II, the sliding column II is arranged in the sliding chute I100 a, a second right connecting rod is fixed at one side end of the sliding column II, the second right connecting rod penetrates through the sliding chute II 100b, and a second left connecting rod is fixed at the other side end of the sliding column II; the linkage rod III 104 comprises a sliding column III, the sliding column III is arranged in the sliding groove I100 a, a third right connecting rod is fixed to one side end of the sliding column III, the third right connecting rod penetrates through the sliding groove II 100b, and a third left connecting rod is fixed to the other side end of the sliding column I102 a; the disc cover 101 is provided with a third spiral sliding groove 101a penetrating through the top surface and the bottom surface of the disc cover 101, the disc cover 101 and the side surface of the chuck 100 are fixed through a stud so that the first sliding column 102a, the second sliding column and the third sliding column are limited in the first sliding groove 100a, and the third sliding groove 101a is opposite to the first sliding groove 100a so that the end parts of the first left connecting rod 102c, the second left connecting rod and the third left connecting rod extend out of the third sliding groove 101 a; the end parts of the first left connecting rod 102c, the second left connecting rod and the third left connecting rod are radially provided with a first guide hole, a second guide hole and a third guide hole respectively, the center of the disc cover 101 is rotatably provided with a limiting sleeve 105, in the embodiment, the limiting sleeve 105 is fixed with the center of the disc cover 101 through a rotating shaft, the limiting sleeve 105 is provided with a limiting groove 105a along the circumferential direction thereof, a first deflector rod 114, a second deflector rod 115 and a third deflector rod 116 are slidably arranged in the first guide hole, the second guide hole and the third guide hole in a penetrating manner, and one end of the inner side of the first deflector rod 114, the second deflector rod 115 and the third deflector rod 116 extends into the limiting groove 105a to be detachably fixed with the limiting sleeve 105; the end parts of the first right connecting rod 102b, the second right connecting rod and the third right connecting rod are radially provided with a first screw hole, a second screw hole and a third screw hole respectively, a first threaded mandril 106, a second threaded mandril 107 and a third threaded mandril 108 are screwed into the first screw hole, the second screw hole and the third screw hole respectively, the first threaded mandril 106, the second threaded mandril 107 and the third threaded mandril 108 all point to the axis of the chuck 100, and a first locking nut 109, a second locking nut 110 and a third locking nut 111 are screwed on the first threaded mandril 106, the second threaded mandril 107 and the third threaded mandril 108 respectively; the center of the end face of one side of the chuck 100, which is located on the first threaded mandril 106, the second threaded mandril 107 and the third threaded mandril 108, is provided with a calibration hole 100c, and a calibration rod 112 is detachably fixed in the calibration hole 100 c.

The working principle is as follows: as shown in fig. 8 and 13, the section of the shaft head end 113 of the eccentric shaft is regular triangle, the shaft head end 113 of the eccentric shaft is clamped among the first threaded mandril 106, the second threaded mandril 107 and the third threaded mandril 108 of the shaft end jacket, and then the shaft end jacket is placed on the first V-shaped block or the second V-shaped block, and the chuck 100 and the cover plate 101 of the shaft end jacket are cylindrical, so that the shaft end jacket can be placed on the V-shaped block to rotate. Specifically, for shaft ends of different sizes, the first shift lever 114, the second shift lever 115 or the third shift lever 116 is rotated to make the first sliding column 102a, the second sliding column and the third sliding column slide in a linkage manner in the first spiral sliding groove 100a, so that a clamping opening formed among the first threaded ejector rod 106, the second threaded ejector rod 107 and the third threaded ejector rod 108 is enlarged or reduced, and the shaft ends of different sizes are suitable. As shown in fig. 11 and 12, when the cross section of the shaft head end is quadrilateral, a linkage rod, a threaded mandril and a deflector rod are required to be added in the first sliding groove 100a, so that the included angles of the four threaded mandrils are 90 degrees in sequence, and the four threaded mandrils form a clamping opening to clamp the shaft head end with the quadrilateral cross section. Because one end of the inner side of the first driving lever 114, the second driving lever 115 and the third driving lever 116 extends into the limiting groove 105a to be detachably fixed with the limiting sleeve 105, the disassembly is convenient, and the assembly of the linkage rod, the threaded mandril and the driving lever is convenient to increase or decrease. In this embodiment, one end of the inner side of the first shift lever 114, the second shift lever 115, and the third shift lever 116 extends into the limiting groove 105a, and a locking screw is disposed on the end surface of the limiting sleeve 105 to lock the end portions of the first shift lever 114, the second shift lever 115, and the third shift lever 116 in the limiting groove 105 a. The end face of the chuck 100 is provided with a calibration hole 100c, a calibration rod 112 is inserted into the calibration hole 100c to calibrate the first threaded ejector rod 106, the second threaded ejector rod 107 and the third threaded ejector rod 108, and the specific method is that the first threaded ejector rod 106, the second threaded ejector rod 107 and the third threaded ejector rod 108 are rotated to enable the inner side ends of the first threaded ejector rod 106, the second threaded ejector rod 107 and the third threaded ejector rod 108 to be abutted against the outer cylindrical surface of the calibration rod 112, then the first locking nut 109, the second locking nut 110 and the third locking nut 111 are rotated to fix the first threaded ejector rod 106, the second threaded ejector rod 107 and the third threaded ejector rod 108 at the positions of the first right connecting rod 102b, the second right connecting rod and the third right connecting rod, and then the calibration rod 112 is taken out.

The detection method of the eccentric shaft detection device comprises the following steps:

a. the detection device is moved to a station by moving the adjusting platform, and when the detection device moves, the leveling platform is firstly supported by the first universal wheel 89, the second universal wheel 90, the third universal wheel 91 and the fourth universal wheel 92, so that the first leg column 56, the second leg column 57, the third leg column 58 and the fourth leg column 59 are separated from the ground.

c. placing a standard measuring rod between the first V-shaped block 2 and the second V-shaped block 3, abutting a measuring plate in a measuring head against the standard measuring rod, axially moving along the standard measuring rod, and checking the equal heights of the first V-shaped block 2 and the second V-shaped block 3; the height adjustment of the V-shaped block II 3 and the V-shaped block I2 can be realized by means of a level, one end of the level is placed on the V-shaped block I2, the other end of the level is placed on the V-shaped block II 3, and when bubbles of a middle level of the level are on the zero line scale, the level is in a horizontal state, namely the height of the V-shaped block II 3 and the height of the V-shaped block I2 are equal.

d. And clamping the non-circular section shaft head end 113 of the piece to be detected by the shaft end jacket, and then placing the shaft end jacket on the V-shaped block I or the V-shaped block II for detection.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although 1, a table is used more herein; 2. a first V-shaped block; 3. a V-shaped block II; 4. a first guide rail; 4a, a first guide groove; 4b, a second guide groove; 5. a second guide rail; 5a, a guide groove III; 5b, a guide groove IV; 6. a lifting cross bar; 7. a slide rail; 7a and a guide groove five; 7b, a guide groove six; 8. a first guide post; 9. a second guide post; 10. a lifting plate; 11. rotating the motor; 12. an electromagnet; 13. a pulley block; 13a, a splint five; 13b, a splint six; 13c, a fifth guide wheel; 13d, a guide wheel six; 14. a third guide pillar; 15. a fourth guide pillar; 16. a support; 17. a first sliding plate; 18. measuring a plate; 19. a base strip; 20. a first guide post; 21. a second guide post; 22. a first guide sleeve; 23. a second guide sleeve; 24. a first return spring; 25. a second return spring; 26. a substrate; 26a, a lifting hole; 27. a linear displacement sensor; 28. a fifth guide pillar; 29. a sixth guide post; 30. fifthly, guiding a sleeve; 31. sixthly, guiding a sleeve; 32. a second sliding plate; 33. a support frame; 34. a first bracket; 35. a first guide wheel set; 35a, clamping plate I; 35b, a second clamping plate; 35c, a first guide wheel; 35d, a second guide wheel; 36. a second guide wheel set; 36a, a third clamping plate; 36b, a splint four; 36c, a third guide wheel; 36d, a guide wheel IV; 37. a first screw sleeve; 38. a second threaded sleeve; 39. a first drive motor; 40. a second drive motor; 41. a first screw rod; 42. a second screw rod; 43. a second driving motor; 44. a third screw rod; 45. a third screw sleeve; 46. a first guide sleeve; 47. a second guide sleeve; 48. driving a motor III; 49. a fourth screw rod; 50. a third guide sleeve; 51. a fourth guide sleeve; 52. fourthly, a screw sleeve; 53. a lifting rod; 54. bracket, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. An eccentric shaft detection device comprises a workbench (1), and is characterized in that the eccentric shaft detection device comprises a crankshaft clamping mechanism, a crankshaft rotating mechanism and a crankshaft detection mechanism, the crankshaft clamping mechanism comprises a first V-shaped block (2) and a second V-shaped block (3), the first V-shaped block (2) is supported on the workbench (1) through a longitudinal moving mechanism, the first V-shaped block (2) can move back and forth towards the second V-shaped block (3) through the longitudinal moving mechanism, the second V-shaped block (3) is arranged on the workbench (1) through a vertical moving mechanism, the second V-shaped block (3) can move up and down along the direction vertical to the top surface of the workbench (1) through the vertical moving mechanism, the vertical moving mechanism comprises a first guide rail (4) and a second guide rail (5) which are vertically fixed on the top surface of the workbench (1), and a lifting cross rod (6) is connected between the first guide rail (4) and the second guide rail (5), the lifting cross rod (6) is connected with a driving mechanism I which can enable the lifting cross rod to move up and down along the guide rail I (4) and the guide rail II (5), and the V-shaped block II (3) is fixed at the top of the lifting cross rod (6); the crankshaft rotating mechanism comprises a sliding rail (7), a first guide pillar (8) and a second guide pillar (9) are vertically fixed at one end of the sliding rail (7), a lifting plate (10) is arranged between the first guide pillar (8) and the second guide pillar (9), a rotating motor (11) is fixed on the top surface of the lifting plate (10), an electromagnet (12) is fixed on an output shaft of the rotating motor (11), the lifting plate (10) is connected with a second driving mechanism capable of lifting up and down along the first guide pillar (8) and the second guide pillar (9), a pulley block (13) is fixed at the bottom of the lifting cross rod (6), the sliding rail (7) is arranged in the pulley block (13) in a penetrating manner, the sliding rail (7) can slide in the pulley block (13), and the electromagnet (12) is close to or far away from the V-shaped block (3); the crankshaft detection mechanism comprises a third guide pillar (14) and a fourth guide pillar (15), the third guide pillar (14) and the fourth guide pillar (15) are horizontally fixed above the workbench (1) through a support (16), a first sliding plate (17) is connected between the third guide pillar (14) and the fourth guide pillar (15), the first sliding plate (17) is connected with a third driving mechanism capable of enabling the first sliding plate to slide along the third guide pillar (14) and the fourth guide pillar (15), a measuring head group is arranged on the first sliding plate (17), the measuring head group comprises a vertically arranged measuring plate (18), a base strip (19) is fixed at the top end of the measuring plate (18), a first guide column (20) and a second guide column (21) are vertically fixed at the top of the base strip (19), a first guide sleeve (22) and a second guide sleeve (23) are fixed on the first sliding plate (17), the top end of the first guide column (20) penetrates through the first guide sleeve (22), and the top end of the second guide column (21) penetrates through the second guide sleeve (23), the guide post I (20) is sleeved with a first reset spring (24), the bottom end of the first reset spring (24) is abutted to the top of the base strip (19), the top end of the first reset spring (24) is abutted to the bottom end of the first guide sleeve (22), the guide post II (21) is sleeved with a second reset spring (25), the bottom end of the second reset spring (25) is abutted to the top of the base strip (19), the top end of the second reset spring (25) is abutted to the bottom end of the second guide sleeve (23), the top ends of the first guide post (20) and the second guide post (21) are fixed to the bottom of a substrate (26), the substrate (26) is connected with a linear displacement sensor (27), and the bottom of the workbench (1) is provided with a regulating platform; the leveling platform comprises a platform plate (55), a first supporting leg, a second supporting leg, a third supporting leg and a fourth supporting leg are fixed to the bottom of the platform plate (55), the first supporting leg comprises a first leg column (56), the top end of the first leg column is fixed to the bottom of the platform plate (55) through a first universal joint, the second supporting leg comprises a second leg column (57), a first hydraulic cylinder (60) is fixed to the top end of the second leg column (57), the cylinder body of the first hydraulic cylinder (60) is fixed to the top end of the second leg column (57), the top end of a first piston rod of the first hydraulic cylinder (60) is fixed to the bottom of the platform plate (55) through a second universal joint, the third supporting leg comprises a third leg column (58), a second hydraulic cylinder (61) is fixed to the top end of the third leg column (58), the cylinder body of the second hydraulic cylinder (61) is fixed to the top end of the third leg column (58), the top end of a second piston rod of the second hydraulic cylinder (61) is fixed, the fourth supporting leg comprises a leg column four (59), a hydraulic cylinder three (62) is fixed at the top end of the leg column four (59), a cylinder body of the hydraulic cylinder three (62) is fixed with the top end of the leg column four (59), the top end of a piston rod three of the hydraulic cylinder three (62) is fixed with the bottom of the bedplate (55) through a universal joint four, a first longitudinal rod (63) is fixedly connected between the first leg column (56) and the second leg column (57), a second longitudinal rod (64) is fixedly connected between the third leg column (58) and the fourth leg column (59), a cross bar I (65) is fixedly connected between the leg column I (56) and the leg column IV (59), a cross bar II (66) is fixedly connected between the leg column II (57) and the leg column III (58), a transverse plate I (67) is fixedly connected between one ends of the first longitudinal rod I (63) and the second longitudinal rod II (64), and a transverse plate II (68) is fixedly connected between the other ends of the first longitudinal rod I (63) and the second longitudinal rod II (64); the hydraulic cylinder II (61) and the cylinder body inner cavity of the hydraulic cylinder III (62) are communicated with each other through a communication pipe (69), the outer wall of the cylinder body of the hydraulic cylinder I (60) is provided with a first liquid guide nozzle (70) communicated with the inner cavity of the hydraulic cylinder I, a first electromagnetic valve is arranged in the first liquid guide nozzle (70), the communication pipe (69) is connected with a second liquid guide nozzle (71), a second electromagnetic valve is arranged in the second liquid guide nozzle (71), a second hydraulic cylinder (72) and a first push rod motor (73) are fixed on a second transverse plate (68), the second hydraulic cylinder (72) comprises a cylinder body, a hydraulic cavity is arranged in the cylinder body of the second hydraulic cylinder (72), hydraulic oil is arranged in the hydraulic cavity, one end of the cylinder body of the second hydraulic cylinder (72) is provided with a third liquid guide nozzle (74) communicated with the hydraulic cavity, the other end of the cylinder body of the second hydraulic cylinder (72) extends out to form a piston rod, the piston rod is connected with the piston in the second hydraulic, the third liquid guide nozzle (74) is connected with an oil delivery pipe, and the oil delivery pipe is connected with the first liquid guide nozzle (70) and the second liquid guide nozzle (71) through a three-way joint; the bottom of the bedplate (55) is provided with a level detector for feeding back the level state of the bedplate (55), and the push rod motor I (73) and the level detector are connected with a controller through a line.

2. The eccentric shaft detection device according to claim 1, wherein the longitudinal movement mechanism comprises a five guide pillar (28) and a six guide pillar (29) which are horizontally arranged on the workbench (1), two ends of the five guide pillar (28) are fixed with the top surface of the workbench (1) through a support seat, two ends of the six guide pillar (29) are fixed with the top surface of the workbench (1) through a support seat, the five guide pillar (28) is sleeved with a five guide sleeve (30), the six guide pillar (29) is sleeved with a six guide sleeve (31), a second sliding plate (32) is fixedly connected between the five guide sleeve (30) and the six guide sleeve (31), a support frame (33) is fixed on the second sliding plate (32), and the first V-shaped block (2) is fixedly connected with the top of the support frame (33).

3. The eccentric shaft detecting device according to claim 1, wherein the first driving mechanism comprises a first guiding wheel set (35) and a second guiding wheel set (36), the first guiding wheel set (35) is clamped on the first guiding rail (4) and can slide up and down along the first guiding rail (4), the second guiding wheel set (36) is clamped on the second guiding rail (5) and can slide up and down along the second guiding rail (5), one end of the lifting cross bar (6) is fixed with the first guiding wheel set (35), the other end of the lifting cross bar is fixed with the second guiding wheel set (36), the first guiding wheel set (35) is fixed with a first threaded sleeve (37), the second guiding wheel set (36) is fixed with a second threaded sleeve (38), the workbench (1) is fixed with a first driving motor (39) and a second driving motor (40), an output shaft of the first driving motor (39) is fixedly connected with a first screw rod (41), an output shaft of the second driving motor (40) is fixedly connected with a second screw rod (42), the top end of the first screw rod (41) is screwed into and extends out of the first screw sleeve (37) and is connected with a hinged seat fixed at the top of the first guide rail (4), and the top end of the second screw rod (42) is screwed into and extends out of the second screw sleeve (38) and is connected with a hinged seat fixed at the top of the second guide rail (5).

4. The eccentric shaft detecting device according to claim 3, wherein the first guide wheel set (35) comprises a first clamping plate (35a) and a second clamping plate (35b), a first guide wheel (35c) and a second guide wheel (35d) are arranged between the first clamping plate (35a) and the second clamping plate (35b), one side of the first guide rail (4) is provided with a first guide groove (4a), the other side of the first guide rail is provided with a second guide groove (4b), the first guide wheel (35c) abuts against the first guide groove (4a) and can slide up and down along the first guide groove (4a), and the second guide wheel (35d) abuts against the second guide groove (4b) and can slide up and down along the second guide groove (4 b); the guide wheel set II (36) comprises a clamp plate III (36a) and a clamp plate IV (36b), a guide wheel III (36c) and a guide wheel IV (36d) are arranged between the clamp plate III (36a) and the clamp plate IV (36b), a guide groove III (5a) is formed in one side of the guide rail II (5), a guide groove IV (5b) is formed in the other side of the guide rail II (5), the guide wheel III (36c) abuts against the guide groove III (5a) and can slide up and down along the guide groove III (5a), and the guide wheel IV (36d) abuts against the guide groove IV (5b) and can slide up and down along the guide groove IV (5 b); the first threaded sleeve (37) is fixed with the first clamping plate (35a) through a bent pin, the second threaded sleeve (38) is fixed with the third clamping plate (36a) through a bent pin, one end of the lifting cross rod (6) is fixed with the second clamping plate (35b), and the other end of the lifting cross rod is fixed with the fourth clamping plate (36 b).

5. The eccentric shaft detection device according to claim 4, characterized in that the pulley block (13) comprises a fifth clamping plate (13a) and a sixth clamping plate (13b), a fifth guide wheel (13c) and a sixth guide wheel (13d) are arranged between the fifth clamping plate (13a) and the sixth clamping plate (13b), a fifth guide groove (7a) is formed in the top of the slide rail (7), a sixth guide groove (7b) is formed in the bottom of the slide rail, the fifth guide wheel (13c) abuts against the fifth guide groove (7a) and can slide along the fifth guide groove (7a), the sixth guide wheel (13d) abuts against the sixth guide groove (7b) and can slide along the sixth guide groove (7b), and the tops of the fifth clamping plate (13a) and the sixth clamping plate (13b) are fixed to the bottom of the lifting cross bar (6).

6. The eccentric shaft detecting device according to claim 1, wherein the level detector comprises a detecting cover (75) having a rectangular parallelepiped shape, the top end of the detecting cover (75) is fixed to the bottom surface of the platen (55), the detecting cover (75) has a detecting cavity, a contact ball (76) is vertically suspended in the detecting cavity, a first contact switch, a second contact switch, a third contact switch (77) and a fourth contact switch (78) are respectively arranged at the front, the rear, the left and the right of the contact ball (76), the first contact switch is connected with an adjusting mechanism capable of making the first contact switch approach or separate from the contact ball (76), the adjusting mechanism comprises a first adjusting screw, a first threaded sleeve is fixed to one side wall of the detecting cover (75), one end of a threaded portion of the first adjusting screw is screwed into a threaded hole of the first threaded sleeve and extends into the detecting cavity, the first contact switch is fixed to one end of the first adjusting screw extending into the detecting cavity, the other end of the first adjusting screw rod is a polished rod part, the end part of the polished rod part is provided with a knurl, and a first scale mark is also engraved on the polished rod part along the axial direction of the polished rod part; the contact switch II is connected with an adjusting mechanism II which can enable the contact switch II to be close to or far away from the contact ball (76), the adjusting mechanism II comprises an adjusting screw rod II, a screw sleeve II is fixed on the side wall of the detection cover (75) opposite to the screw sleeve I, one end of a threaded part of the adjusting screw rod II is screwed into a screw hole of the screw sleeve II and extends into the detection cavity, the contact switch II is fixed with one end of the adjusting screw rod II, which extends into the detection cavity, the other end of the adjusting screw rod II is a polished rod part, the end part of the polished rod part is provided with a knurl, and a second scale mark is further engraved on the polished rod part along the axial direction of the polished rod part; the contact switch III (77) is connected with an adjusting mechanism III which can enable the contact switch III to be close to or far away from the contact ball (76), the adjusting mechanism III comprises an adjusting screw rod III (79), the side wall of the detection cover (75) adjacent to the screw sleeve I is fixedly provided with the screw sleeve III (80), one end of a screw thread part of the adjusting screw rod III (79) is screwed into a screw hole of the screw sleeve III (80) and extends into a detection cavity, the contact switch III (77) and one end of the adjusting screw rod III (79) extending into the detection cavity are fixed, the other end of the adjusting screw rod III (79) is a polished rod part, the end part of the polished rod part is provided with a knurl, and a scale mark III (79a) is also engraved on the polished rod part along the axial direction of the polished rod part; the contact switch IV (78) is connected with an adjusting mechanism IV which can enable the contact switch IV to be close to or far away from the contact ball (76), the adjusting mechanism IV comprises an adjusting screw rod IV (81), the side wall of the detection cover (75) opposite to the screw sleeve III (80) is fixedly provided with the screw sleeve IV (82), one end of a screw thread part of the adjusting screw rod IV (81) is screwed into a screw hole of the screw sleeve IV (82) and extends into the detection cavity, the contact switch IV (78) and one end of the adjusting screw rod IV (81) extending into the detection cavity are fixed, the other end of the adjusting screw rod IV (81) is a polished rod part, the end part of the polished rod part is provided with knurls, and a scale mark IV (81a) is also engraved on the polished rod part along the axial direction of the polished rod part; the contact ball (76), the first contact switch, the second contact switch, the third contact switch (77) and the fourth contact switch (78) are connected with the controller through lines.

7. The eccentric shaft detection device according to claim 1, wherein a first rotating rod (83) is fixed between one end of the first longitudinal rod (63) and one end of the second longitudinal rod (64) in an axially fixed circumferential rotation manner, a second rotating rod (84) is fixed between the other end of the first longitudinal rod (63) and the other end of the second longitudinal rod (64) in an axially fixed circumferential rotation manner, a first support leg (85) and a second support leg (86) are fixed at the bottom end of the first rotating rod (83), a third support leg (87) and a fourth support leg (88) are fixed at the bottom end of the second rotating rod (84), a first universal wheel (89), a second universal wheel (90), a third universal wheel (91) and a fourth universal wheel (92) are respectively fixed at the bottom ends of the first support leg (85), the second support leg (86), the third support leg (87) and the fourth support leg (88), a first pull rod (93) is fixed at the middle part of the first rotating rod (83), and a second pull rod (94) is fixed at the middle part of the second rotating rod (84), a second push rod motor (95) is fixed at the bottom of the center of the bedplate (55), a hinge frame (96) is fixed at the end part of a push rod of the second push rod motor (95), and the end part of the first pull rod (93) and the end part of the second pull rod (94) are hinged with the hinge frame (96); the supporting leg I (85) is fixedly provided with an arc-shaped rod I (97), the bottom end of the arc-shaped rod I (97) is fixed with the supporting leg I (85), the top end of the arc-shaped rod I (97) penetrates out of the transverse plate I (67), a compression spring I (98) is sleeved on the arc-shaped rod I (97), the bottom end of the compression spring I (98) is abutted against the supporting leg I (85), the top end of the compression spring I is abutted against the bottom of the transverse plate I (67), an arc-shaped stop rod I (99) is further fixed on the supporting leg I (85), the bottom end of the stop rod I (99) is fixed with the supporting leg I (85), and the top end of the stop rod I (99) faces towards the transverse plate I (67) and can be abutted against the bottom of the transverse plate I (67); an arc-shaped rod II is fixed on the support leg II (86), the bottom end of the arc-shaped rod II is fixed with the support leg II (86), the top end of the arc-shaped rod II penetrates through the transverse plate I (67), a compression spring II is sleeved on the arc-shaped rod II, the bottom end of the compression spring II is abutted against the support leg II (86), the top end of the compression spring II is abutted against the bottom of the transverse plate I (67), an arc-shaped stop rod II is further fixed on the support leg II (86), the bottom end of the stop rod II is fixed with the support leg II (86), and the top end of the stop rod II faces towards the transverse plate I (67) and can be abutted against the bottom of the transverse plate I (67); the supporting leg III (87) is fixedly provided with an arc-shaped rod III, the bottom end of the arc-shaped rod III is fixed with the supporting leg III (87), the top end of the arc-shaped rod III penetrates through the transverse plate II (68), the arc-shaped rod III is provided with a compression spring III, the bottom end of the compression spring III is abutted against the supporting leg III (87), the top end of the compression spring III is abutted against the bottom of the transverse plate II (68), the supporting leg III (87) is further fixedly provided with an arc-shaped stop rod III, the bottom end of the stop rod III is fixed with the supporting leg III (87), and the top end of the stop rod III faces towards the transverse plate II (68) and can be abutted against the bottom of the transverse plate II (68); the four supporting legs (88) are fixedly provided with four arc-shaped rods, the bottom ends of the four arc-shaped rods are fixed with the four supporting legs (88), the top ends of the four arc-shaped rods penetrate through the second transverse plate (68), the four arc-shaped rods are provided with four compression springs, the bottom ends of the four compression springs are abutted against the four supporting legs (88), the top ends of the four compression springs are abutted against the bottom of the second transverse plate (68), the four supporting legs (88) are further fixedly provided with four arc-shaped stop rods, the bottom ends of the four stop rods are fixed with the fourth supporting legs (88), and the top ends of the four stop rods face the second transverse plate (68) and can be abutted against the bottom of the second transverse plate (68); and the second push rod motor (95) is connected with the controller through a circuit.

8. The eccentric shaft detecting device according to claim 1, further comprising a shaft end jacket, the shaft end jacket comprises a chuck (100) and a disc cover (101), one side surface of the chuck (100) is provided with a first spiral sliding chute (100a), the bottom of the first sliding chute (100a) is provided with a second sliding chute (100b) communicated with the other side of the chuck (100), a first linkage rod (102), a second linkage rod (103) and a third linkage rod (104) which are uniformly distributed along the circumferential direction of the chuck (100) are arranged in the first sliding groove (100a), the linkage rod I (102) comprises a sliding column I (102a), the sliding column I (102a) is arranged in the sliding groove I (100a), a first right connecting rod (102b) is fixed to one side end of the sliding column I (102a), the first right connecting rod (102b) penetrates through the sliding groove II (100b), and a first left connecting rod (102c) is fixed to the other side end of the sliding column I (102 a); the linkage rod II (103) comprises a sliding column II, the sliding column II is arranged in the sliding groove I (100a), a second right connecting rod is fixed at one side end of the sliding column II, the second right connecting rod penetrates out of the sliding groove II (100b), and a second left connecting rod is fixed at the other side end of the sliding column II; the linkage rod III (104) comprises a sliding column III, the sliding column III is arranged in the sliding groove I (100a), a third right connecting rod is fixed to one side end of the sliding column III, the third right connecting rod penetrates through the sliding groove II (100b), and a third left connecting rod is fixed to the other side end of the sliding column I (102 a); the disc cover (101) is provided with a third spiral sliding groove (101a) penetrating through the top surface and the bottom surface of the disc cover, the disc cover (101) is fixed with the side surface of the chuck (100) to enable the first sliding column (102a), the second sliding column and the third sliding column to be limited in the first sliding groove (100a), and the third sliding groove (101a) is opposite to the first sliding groove (100a) to enable the end parts of the first left connecting rod (102c), the second left connecting rod and the third left connecting rod to extend out of the third sliding groove (101 a); the end parts of the first left connecting rod (102c), the second left connecting rod and the third left connecting rod are radially provided with a first guide hole, a second guide hole and a third guide hole respectively, the center of the disc cover (101) is rotatably provided with a limiting sleeve (105), a limiting groove (105a) is formed in the limiting sleeve (105) along the circumferential direction of the limiting sleeve, a first driving lever (114), a second driving lever (115) and a third driving lever (116) penetrate through the first guide hole, the second guide hole and the third guide hole in a sliding manner, and one ends of the inner sides of the first driving lever (114), the second driving lever (115) and the third driving lever (116) extend into the limiting groove (105a) to be detachably fixed with the limiting sleeve (105); the end parts of the first right connecting rod (102b), the second right connecting rod and the third right connecting rod are radially provided with a first screw hole, a second screw hole and a third screw hole respectively, a first threaded ejector rod (106), a second threaded ejector rod (107) and a third threaded ejector rod (108) are screwed into the first screw hole, the second screw hole and the third screw hole respectively, the first threaded ejector rod (106), the second threaded ejector rod (107) and the third threaded ejector rod (108) all point to the axis of the chuck (100), and a first locking nut (109), a second locking nut (110) and a third locking nut (111) are screwed on the first threaded ejector rod (106), the second threaded ejector rod (107) and the third threaded ejector rod (108) respectively; and the center of the end face of one side of the chuck (100), which is positioned on the first threaded ejector rod (106), the second threaded ejector rod (107) and the third threaded ejector rod (108), is provided with a calibration hole (100c), and a calibration rod (112) is detachably fixed in the calibration hole (100 c).