CN217845013U - Railway freight car bearing inner race measuring device - Google Patents

Abstract

The utility model discloses a railway freight car bearing inner race measuring device, the utility model comprises a rack, an inner upper section measuring mechanism, an outer upper and lower section measuring mechanism, a material stopping mechanism, an inner lower section measuring mechanism, a turntable mechanism, a material pushing mechanism and an outer diameter positioning mechanism; comparing the measured values of the inner upper and lower sections and the outer upper and lower sections of the measured piece which is measured by the inner upper and lower section measuring mechanism and the outer upper and lower section measuring mechanism and rotates for one circle with the standard values of the inner upper and lower sections and the outer upper and lower sections of the standard piece to determine whether the measured values are qualified; the utility model discloses but the disposable full measurement of many projects (inside and outside footpath), many cross-sections, multiple spot simultaneously of measurement station, the utility model discloses the structure is retrencied, convenient operation, and the autogiration dynamic measurement, a measurement station just can accomplish the measurement to cross-section and external diameter about rail wagon bearing 353130B outer lane tooth mouth diameter, and operating personnel intensity of labour is little, and work efficiency is high, and repeatability is high.

Description

Railway freight car bearing inner race measuring device

Technical Field

The utility model relates to a railway freight car bearing inner race measuring device belongs to measuring device technical field.

Background

The outer ring of the railway wagon bearing 353130B is large in external dimension, heavy in weight and inconvenient to carry, at present, the upper and lower cross sections of the diameter and the upper and lower cross sections of the outer diameter of the outer ring of the railway wagon bearing 353130B are measured by a D925 bearing ring inner and outer diameter measuring instrument, the measuring device can only measure one project at one time, the labor intensity of operators is high, the working efficiency is low, the measuring result is not ideal, and large errors exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough and provide a railway freight car bearing inner race measuring device.

The utility model provides a technical scheme as follows: a measuring device for a bearing outer ring of a railway wagon is characterized by comprising a rack, an inner upper section measuring mechanism, an outer lower section measuring mechanism, a material blocking mechanism, an inner lower section measuring mechanism, a rotary table mechanism, a material pushing mechanism and an outer diameter positioning mechanism;

the inner upper section measuring mechanism comprises an upper inner movable sleeve, the lower end of the upper inner movable sleeve is connected with an upper inner guide sleeve, upper inner measuring head holes are formed in the left side and the right side of the upper inner guide sleeve, and the lower end of the upper inner guide sleeve is connected with an upper inner cover plate; the upper end of the upper inner movable sleeve is connected with an upper inner end cover, the upper inner end cover is connected with the rack through an upper inner adjusting bolt, an upper inner positioning bolt and an upper inner limiting nut, the upper inner end cover is connected with a piston rod of an upper inner cylinder, and the upper inner cylinder is connected with the rack; a guide sleeve is arranged outside the upper internal moving sleeve; the left and right ends in the upper inner movable sleeve are respectively connected with an upper inner support, the left and right pieces of the upper inner spring leaf are respectively fastened with the upper inner supports at the left and right ends through an upper inner pressure plate and an upper inner and outer pressure plate, the lower end of the upper inner left measuring frame is fastened with the upper inner left measuring frame and the upper inner right measuring frame through an upper inner pressing plate and an upper outer pressing plate respectively; the end parts of the upper inner left measuring frame and the upper inner right measuring frame are respectively connected with an upper inner measuring head through an upper inner measuring head seat, and the upper inner measuring heads on the left side and the right side are respectively arranged in upper inner measuring head holes on the left side and the right side of the upper inner guide sleeve; the upper inner left measuring frame is connected with an inner inductor through an upper inner surface base, the upper inner right measuring frame is connected with an inner adjusting screw, the end part of the inner adjusting screw is provided with an inner small upper table, and the end part of the inner inductor is leaned against the end part of the inner small upper table; an upper inner screw is connected between the upper inner left measuring frame and the upper inner right measuring frame, and an upper inner compression spring is sleeved on the upper inner screw;

the outer upper and lower section measuring mechanism comprises an upright post connected with a rack, the upright post is connected with an upper U-shaped measuring rack and a lower U-shaped measuring rack, adjusting pads are arranged below the U-shaped measuring racks on the upright post, a gasket on the upright post is arranged between the upper adjusting pad and the lower U-shaped measuring rack, each U-shaped measuring rack is provided with a limiting bracket, a limiting seat is arranged on the rack at the rear end of the upright post, the limiting brackets are connected with the limiting seats through limiting screws at the left end and the right end, and compression springs are sleeved on the limiting screws; the right side of the U-shaped measuring frame is connected with the long measuring head through the fixed measuring block, the left side of the U-shaped measuring frame is connected with the short measuring head through the sliding measuring block, and the long measuring head and the short measuring head are arranged in parallel in a horizontal plane; the left lower end of each U-shaped measuring frame is connected with a support, a sliding measuring block is arranged in a key groove at the lower end of the support, the lower end of the sliding measuring block is tightly pressed by a bottom plate, the support is connected with an end cover, a spring shaft is arranged in the end cover and the sliding measuring block, a compression spring is sleeved on the spring shaft, one end of the compression spring leans against the end cover, the other end leans against the step end face of the spring shaft, one end of the spring shaft is provided with a small table, the upper end of the left end cover of the U-shaped measuring frame is connected with a gauge stand, the gauge stand is connected with an outer diameter inductor, and the end part of the outer diameter inductor leans against the end part of the small table;

the inner lower section measuring mechanism comprises a lower inner movable sleeve, the upper end of the lower inner movable sleeve is connected with a lower inner guide sleeve, lower inner measuring head holes are formed in the front side and the rear side of the lower inner guide sleeve, and the upper end of the lower inner guide sleeve is connected with a lower inner cover plate; the lower end of the lower inner movable sleeve is connected with a lower inner end cover, the lower inner end cover is connected with the rotary table mechanism through a lower inner adjusting bolt, a lower inner positioning bolt and a lower inner limiting nut, the lower inner end cover is connected with a piston rod of a lower inner cylinder through a floating joint, and the lower inner cylinder is connected with the rotary table mechanism; the front end and the rear end in the lower inner movable sleeve are respectively connected with a lower inner support, the front end and the rear end of the lower inner spring leaf are respectively two, the lower ends of the lower inner spring leaf are respectively fastened with the lower inner supports at the front end and the rear end through a lower inner pressing plate and a lower outer pressing plate, the upper ends of the upper inner and lower inner pressure plates are respectively fastened with a lower inner rear measuring frame and a lower inner front measuring frame through the lower inner pressure plate and the lower inner and outer pressure plates; the end parts of the lower inner rear measuring frame and the lower inner front measuring frame are respectively connected with a lower inner measuring head through a lower inner measuring head seat; the lower inner measuring heads on the front side and the rear side are respectively arranged in the lower inner measuring head holes on the front side and the rear side of the lower inner guide sleeve; the lower inner front measuring frame is connected with a lower inner inductor through a lower inner surface base, the lower inner rear measuring frame is connected with a lower inner adjusting screw, the end part of the lower inner adjusting screw is provided with a lower inner small platform, and the end part of the lower inner inductor is leaned against the end part of the lower inner small platform; a lower inner screw is connected between the lower inner rear measuring frame and the lower inner front measuring frame, and a lower inner compression spring is sleeved on the lower inner screw.

Furthermore, the rack consists of an upper table top, a support rod, a guide support plate, a top rod and a top plate; the upper table top is connected with a guide support plate through four support rods, and the guide support plate is connected with a top plate through four ejector rods.

Further, the stock stop include right baffle, left baffle, right baffle and left baffle install in the middle position of leaning on the front of the last mesa of rack.

Furthermore, the turntable mechanism comprises a base, the lower end of the base is connected with a positioning table, and the lower end of the positioning table is connected with an end cover; the upper end of the base is fastened with the inner ring of the crossed roller bearing, the outer ring of the crossed roller bearing is fastened with the lower end of the rotary table, the upper end of the rotary table is provided with a working disc, the inner hole of the rotary table and the upper end of the crossed roller bearing are provided with trays, the positioning table is connected with a servo motor through a motor support, and a motor gear arranged on a motor shaft of the servo motor is meshed with the tooth form on the rotary table.

Furthermore, the material pushing mechanism comprises a material pushing block and a double-shaft cylinder connected with an external pneumatic control device, the material pushing block is fastened on a piston rod connecting plate at the front end of the double-shaft cylinder, and the double-shaft cylinder is installed on an upper table top of the table frame.

Further, external diameter positioning mechanism include the external diameter positioning unit that two sets of symmetries set up, every external diameter positioning unit of group all includes set nut, set screw, a fixed base, fastening screw, the bearing cap, the slide, the spacer, the slide passes through the slotted hole fastening by fastening screw in the keyway of the last mesa of rack, the spacer passes through bearing and bearing cap fastening at the slide front end, the fixing base fastening is in the planar keyway on last mesa, set nut and set screw install on the fixing base, the set screw front end leans on the slide rear end face.

The utility model has the advantages that: the utility model discloses be equipped with interior upper cross section measuring mechanism, outer upper and lower cross section measuring mechanism and interior lower cross section measuring mechanism etc. rotate through servo motor drive carousel and working disc to it is rotatory to drive the measured piece, but a measurement station is multinomial (inside and outside footpath), many cross-sections, the disposable full measure of multiple spot simultaneously, the utility model discloses the structure is retrencied, and convenient operation is measured the hand push and is measured the station by the measured piece, and autogiration dynamic measurement, a measurement station just can be accomplished to cross-section and external diameter about the outer lane tooth mouth diameter of railway freight car bearing 353130B cross-section's measurement about, and operating personnel intensity of labour is little, and work efficiency is high, and repeatability is high.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of FIG. 1;

fig. 3 is a top view of fig. 1.

The reference signs are: 1. an upper table top; 2. a base plate; 3. a compression spring; 4. A spring shaft; 5. A small table; 6. an end cap; 7. a gauge stand; 8. a support; 9. an upper inner left measuring frame; 10. a support bar; 11. an upper inner gauge stand; 12. an upper inner compression spring; 13. A guide support plate; 14. a guide sleeve; 15. A top rod; 16. a coupling sleeve; 17. a ball nut; 18. an upper inner adjusting bolt; 19. a top plate; 20. an upper inner limit nut; 21. an upper inner cylinder; 22. an upper inner end cover; 23. an upper inner positioning bolt; 24. an upper inner support; 25. an upper inner pressure plate; 26. an inner pressing plate and an outer pressing plate are arranged; 27. an upper inner spring plate; 28. an upper inner movable sleeve; 29. an upper inner right measuring frame; 30. an upper inner guide sleeve; 31. an upper inner adjusting screw; 32. a measuring frame; 33. an upper inner probe; 34. an upper inner head base; 35. an upper inner cover plate; 36. a long probe; 37. mounting an inner screw; 38. mounting an inner small platform; 39. Fixing the measuring block; 40. a right baffle; 41. a working plate; 42. a lower inner cover plate; 43. a lower inner guide sleeve; 44. a turntable; 45. a tray; 46. a crossed roller bearing; 47. a base; 48. a lower inner movable sleeve; 49. a positioning table; 50. an inner pressing plate and an outer pressing plate are arranged; 51. a lower inner cylinder; 52. an end cap; 53. a floating joint; 54. a lower inner support; 55. a lower inner end cap; 56. a lower inner spring leaf; 57. A lower inner gauge stand; 58. a lower inner front measuring frame; 59. a lower inner probe; 60. a lower inner probe seat; 61. a left baffle; 62. sliding the measuring block; 63. a short measuring head; 64. positioning a nut; 65. a positioning screw 66 and a fixed seat; 67. fastening screws; 68. A bearing end cap; 69. A slide base; 70. positioning plates; 71. a material pushing block; 72. a double-shaft cylinder; 73. a column; 74. a gasket; 75. a limit screw; 76. a limiting seat; 77. A compression spring; 78. A limiting bracket; 79. adjusting the cushion; 80. A gasket; 81. A lower inner positioning bolt; 82. A lower inner adjusting bolt; 83. A lower inner limit nut; 84. A lower inner rear measuring frame; 85. A lower inner screw; 86. a lower inner adjusting screw; 87. a lower inner small platform; 88. A lower inner pressure plate; 89. a lower inner compression spring; 90. a motor gear; 91. a motor support; 92. a servo motor; 93. an outer diameter inductance; 94. an upper internal inductor; 95. a lower internal inductance.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:

as shown in fig. 1-3, a device for measuring the outer ring of a bearing of a railway wagon comprises a rack, an inner upper section measuring mechanism, an outer lower section measuring mechanism, a material blocking mechanism, an inner lower section measuring mechanism, a turntable mechanism, a material pushing mechanism and an outer diameter positioning mechanism.

The rack consists of an upper table top 1, a support rod 10, a guide support plate 13, a top rod 15 and a top plate 19. The upper table top 1 is connected with a guide support plate 13 through four support rods 10, and the guide support plate 13 is connected with a top plate 19 through four ejector rods 15.

The inner and upper section measuring mechanism adopts a parallel reed mechanism and comprises an upper inner left measuring frame 9, an upper inner surface base 11, an upper inner compression spring 12, a guide sleeve 14, a connecting sleeve 16, a spherical nut 17, an upper inner adjusting bolt 18, an upper inner limiting nut 20, an upper inner cylinder 21 connected with an external pneumatic control device, an upper inner end cover 22, an upper inner positioning bolt 23, an upper inner frame 24, an upper inner pressing plate 25, an upper inner and outer pressing plate 26, an upper inner spring plate 27, an upper inner moving sleeve 28, an upper inner right measuring frame 29, an upper inner guide sleeve 30, an upper inner adjusting screw 31, an upper inner measuring head 33, an upper inner measuring head base 34, an upper inner cover plate 35, an upper inner screw 37, an upper inner small platform 38 and an upper inner inductor 94.

The lower end of the upper inner moving sleeve 28 is connected with an upper inner guide sleeve 30, the left side and the right side of the upper inner guide sleeve 30 are provided with upper inner measuring head holes, and the lower end of the upper inner guide sleeve 30 is connected with an upper inner cover plate 35. The upper end of the upper inner movable sleeve 28 is connected with an upper inner end cover 22, the upper end of the upper inner end cover 22 is provided with an upper inner adjusting bolt 18 and an upper inner positioning bolt 23, the upper ends of the upper inner adjusting bolt 18 and the upper inner positioning bolt 23 penetrate through a top plate 19, the head part of the upper end of the upper inner adjusting bolt 18 is provided with two upper inner limiting nuts 20, the upper inner end cover 22 is connected with a piston rod of an upper inner cylinder 21 through a connecting sleeve 16 and an upper inner nut 17, and the upper inner cylinder 21 is connected to the top plate 19 of the rack. The guide sleeve 14 is arranged outside the upper inner moving sleeve 28, the guide sleeve 14 and the upper inner moving sleeve 28 are in clearance fit, and the guide sleeve 14 and the guide support plate 13 are in interference fit into a whole. Thus, the extension and contraction of the piston rod of the upper inner cylinder 21 can drive the connecting sleeve 16, the upper inner end cap 22, the upper inner movable sleeve 28 and the upper inner guide sleeve 30 to move downwards or upwards, so as to drive the whole inner upper section measuring mechanism to move downwards or upwards.

The left end and the right end in the upper inner moving sleeve 28 are respectively connected with an upper inner support 24, the left end and the right end of an upper inner spring leaf 27 are respectively fastened with the upper inner supports 24 at the left end and the right end through an upper inner pressing plate 25 and an upper inner pressing plate 26, and the lower ends of the upper inner spring leaf are respectively fastened with the upper inner left measuring frame 9 and the upper inner right measuring frame 29 through the upper inner pressing plate 25 and the upper inner outer pressing plate 26. The ends of the upper inner left measuring frame 9 and the upper inner right measuring frame 29 are respectively connected with an upper inner measuring head 33 through an upper inner measuring head seat 34, and the upper inner measuring heads 33 on the left side and the right side are respectively arranged in the upper inner measuring head holes on the left side and the right side of the upper inner guide sleeve 30. The upper inner left measuring frame 9 is connected with an upper inner inductor 94 through an upper inner gauge stand 11, the upper inner right measuring frame 29 is connected with an upper inner adjusting screw 31, the end part of the upper inner adjusting screw 31 is provided with an upper inner small platform 38, and the end part of the upper inner inductor 94 is leant against the end part of the upper inner small platform 38. An upper inner screw 37 is connected between the upper inner left measuring frame 9 and the upper inner right measuring frame 29, an upper inner compression spring 12 is sleeved on the upper inner screw 37, two ends of the upper inner compression spring 12 respectively lean against the upper inner left measuring frame 9 and the upper inner right measuring frame 29, and the distance between the inner measuring heads 33 on the left side and the right side can be enlarged or reduced by loosening or tightening the upper inner screw 37.

The inner upper section measuring mechanism is used for measuring the inner diameter variation of the upper end tooth mouth section of the bearing outer ring, and the inner diameter variation of different sections of the upper end tooth mouth of the bearing outer ring can be measured by adjusting the position of the upper inner limiting nut 20.

The outer upper and lower section measuring mechanism comprises a bottom plate 2, a compression spring 3, a spring shaft 4, a small table 5, an end cover 6, a gauge stand 7, a support 8, a U-shaped measuring frame 32, a long measuring head 36, a fixed measuring block 39, a sliding measuring block 62, a short measuring head 63, a stand column 73, a gasket 74, a limiting screw 75, a limiting seat 76, a compression spring 77, a limiting support 78, an adjusting pad 79, a gasket 80 and an outer diameter inductor 93.

The lower end of the upright post 73 is fastened with the upper table top 1, the upper and lower U-shaped measuring frames 32 are respectively installed with the upright post 73 through a pair of angular contact bearings which are installed back to back, adjusting pads 79 are installed below the U-shaped measuring frames 32 on the upright post 73, gaskets 80 on the upright post 73 are installed between the upper adjusting pads 79 and the lower U-shaped measuring frames 32, and the adjusting pads 79 are used for adjusting the height of the outer upper and lower measuring sections. Each U-shaped measuring rack 32 is provided with a limiting bracket 78, a limiting seat 76 is arranged on the upper table top 1 at the rear end of the upright post 73, the limiting bracket 78 is connected with the limiting seat 76 through limiting screws 75 at the left end and the right end, and a compression spring 77 is sleeved on the limiting screws 75. By adjusting the limit screws 75 at the left and right ends, the corresponding U-shaped measuring rack 32 can rotate horizontally with the upright 73 as an axis. The right side of the U-shaped measuring frame 32 is connected with the long measuring head 36 through the fixed measuring block 39, the left side of the U-shaped measuring frame 32 is connected with the short measuring head 63 through the sliding measuring block 62, the long measuring head 36 and the short measuring head 63 are both made of hard alloy rods and are arranged in parallel in a horizontal plane, and therefore the distance between the long measuring head 36 and the short measuring head 63 is the size of the corresponding outer section diameter.

The left lower end of each U-shaped measuring frame 32 is connected with a support 8, for accurate positioning, a key connection is adopted between the two, a key groove is formed in the lower end of each support 8, a sliding measuring block 62 is arranged in the key groove, the lower end of each sliding measuring block is tightly pressed by a bottom plate 2, the sliding measuring block 62 and the key groove are in clearance fit, the supports 8 are connected with end covers 6, spring shafts 4 are arranged in the end covers 6 and the sliding measuring blocks 62, compression springs 3 are sleeved on the spring shafts 4, one ends of the compression springs 3 lean against the end faces of the steps of the spring shafts 4, one ends of the spring shafts 4 are provided with small platforms 5, the other ends of the spring shafts 4 lean against the end faces of inner holes of the sliding measuring blocks 62 under the action of the compression springs 3, the upper end of the left end cover 6 of each U-shaped measuring frame 32 is connected with a gauge stand 7, the gauge stand 7 is connected with an outer-diameter inductor 93, and the end portions of the outer-diameter inductor 93 lean against the end portions of the small platforms 5.

The outer upper and lower section measuring mechanism is provided with an upper measuring position and a lower measuring position which are respectively used for measuring the outer diameter variation of the upper section and the lower section of the outer ring of the bearing.

The inner lower section measuring mechanism adopts a parallel reed mechanism, has basically the same structure as the inner upper section measuring mechanism, and comprises a lower inner cover plate 42, a lower inner guide sleeve 43, a lower inner movable sleeve 48, a lower inner and outer pressing plate 50, a lower inner cylinder 51 connected with an external pneumatic control device, a floating joint 53, a lower inner support 54, a lower inner end cover 55, a lower inner spring plate 56, a lower inner gauge stand 57, a lower inner front measuring stand 58, a lower inner measuring head 59, a lower inner measuring head stand 60, a lower inner positioning bolt 81, a lower inner adjusting bolt 82, a lower inner limiting nut 83, a lower inner rear measuring stand 84, a lower inner screw 85, a lower inner adjusting bolt 86, a lower inner small table 87, a lower inner pressing plate 88, a lower inner compression spring 89 and a lower inner inductor 95.

The upper end of the lower inner moving sleeve 48 is connected with the lower inner guide sleeve 43, the front side and the rear side of the lower inner guide sleeve 43 are provided with lower inner measuring head holes, and the upper end of the lower inner guide sleeve 43 is connected with the lower inner cover plate 42. The lower end of the lower inner movable sleeve 48 is connected with a lower inner end cover 55, the lower end of the lower inner end cover 55 is provided with a lower inner adjusting bolt 82 and a lower inner positioning bolt 81, the lower ends of the lower inner adjusting bolt 82 and the lower inner positioning bolt 81 penetrate through a positioning table 49 of the turntable mechanism, the head part of the lower end of the lower inner adjusting bolt 82 is provided with two lower inner limit nuts 83, the lower inner end cover 55 is connected with a piston rod of a lower inner cylinder 51 through a floating joint 53, and the lower inner cylinder 51 is connected with an end cover 52 of the turntable mechanism. The base 47 of the turntable mechanism is arranged outside the lower inner movable sleeve 48 and is in clearance fit with the lower inner movable sleeve 48, so that the expansion of the piston rod of the lower inner cylinder 51 can drive the floating joint 53, the lower inner end cover 55, the lower inner movable sleeve 48 and the lower inner guide sleeve 43 to move upwards or downwards, and the whole inner and lower section measuring mechanism is driven to move upwards or downwards.

The front end and the rear end in the lower inner moving sleeve 48 are respectively connected with the lower inner support 54 through screws, the front end and the rear end of the lower inner spring piece 56 are respectively fastened with the lower inner supports 54 at the front end and the rear end through the lower inner pressing plate 88 and the lower inner and outer pressing plates 50, and the upper ends of the lower inner spring piece are respectively fastened with the lower inner rear support 84 and the lower inner front support 58 through the lower inner pressing plate 88 and the lower inner and outer pressing plates 50. The ends of the lower inner rear frame 84 and the lower inner front frame 58 are connected to a lower inner probe 59 through a lower inner probe mount 60, respectively. The lower inner measuring heads 59 on the front and rear sides are respectively arranged in the lower inner measuring head holes on the front and rear sides of the lower inner guide sleeve 43. The lower inner front measuring frame 58 is connected with a lower inner inductor 95 through a lower inner gauge stand 57, the lower inner rear measuring frame 84 is connected with a lower inner adjusting screw 86, the end part of the lower inner adjusting screw 86 is provided with a lower inner small platform 87, and the end part of the lower inner inductor 95 is abutted against the end part of the lower inner small platform 87. Lower inner screw 85 is connected between the lower inner rear measuring frame 84 and the lower inner front measuring frame 58, a lower inner compression spring 89 is sleeved on the lower inner screw 85, two ends of the lower inner compression spring 89 are respectively abutted against the lower inner rear measuring frame 84 and the lower inner front measuring frame 58, and the distance between the lower inner measuring heads 59 on the front side and the rear side can be enlarged or reduced by loosening or tightening the lower inner screw 85.

The inner lower section measuring mechanism is used for measuring the inner diameter variation of the section of the tooth socket at the lower end of the bearing outer ring, and the inner diameter variation of different sections of the tooth socket at the lower end of the bearing outer ring can be measured by adjusting the position of the lower inner limiting nut 83.

The stock stop is used for leading into the measurement station accurately with the measured piece, and it includes right baffle 40, left baffle 61, and right baffle 40 and left baffle 61 are installed at the position that leans on in the middle of last mesa 1, and the measured piece slides on the last mesa 1 between right baffle 40 and left baffle 61, gets into or withdraws from the measurement station.

The turntable mechanism comprises a working disc 41, a turntable 44, a tray 45, a cross roller bearing 46, a base 47, a positioning table 49, an end cover 52, a motor gear 90, a motor support 91 and a servo motor 92. The base 47 is located at the lower end of the big inner hole of the upper table top 1, the lower end of the base 47 is connected with the positioning table 49, and the lower end of the positioning table 49 is connected with the end cover 52. The upper end of a base 47 is fastened with the inner ring of a crossed roller bearing 46, the outer ring of the crossed roller bearing 46 is fastened with the lower end of a rotary table 44, a working disc 41 is installed at the upper end of the rotary table 44, the upper plane of the working disc 41 and the upper plane of an upper table top 1 are in a horizontal plane, and a tray 45 is installed in an inner hole of the rotary table 44 and at the upper end of the crossed roller bearing 46 and used for preventing dirty objects from entering the crossed roller bearing 46 to affect the service life of the crossed roller bearing 46 and the measurement accuracy of an instrument. The positioning table 49 is connected with a servo motor 92 through a motor support 91, a motor gear 90 arranged on a motor shaft of the servo motor 92 is meshed with the tooth form on the turntable 44, and the servo motor 92 rotates to drive the turntable 44 to rotate, so that the measured piece on the working disc 41 can be driven to rotate together.

The material pushing mechanism comprises a material pushing block 71 and a double-shaft air cylinder 72 connected with an external pneumatic control device, the material pushing block 71 is fastened on a piston rod connecting plate at the front end of the double-shaft air cylinder 72, and the double-shaft air cylinder 72 is installed on the upper table top 1. After the measured piece is measured, the double-shaft air cylinder 72 acts, the measured piece is pushed out of the measuring station through the pushing block 71 and is pushed to an operator, and therefore labor intensity of the operator is relieved, working efficiency is improved, and safety performance of the measuring device is improved.

The external diameter positioning mechanism is used for accurately positioning a measured part, the external diameter positioning mechanism comprises two sets of external diameter positioning units which are symmetrically arranged, each set of external diameter positioning unit comprises a positioning nut 64, a positioning screw 65, a fixed seat 66, a fastening screw 67, a bearing end cover 68, a sliding seat 69 and a positioning sheet 70, the sliding seat 69 is fastened in a key groove of the upper table top 1 through a long round hole by the fastening screw 67, the fastening screw 67 is loosened, the sliding seat 69 can slide in the key groove, the part to be measured is close to or far away from, the positioning sheet 70 is fastened at the front end of the sliding seat 69 through the bearing and the bearing end cover 68, the fixed seat 66 is fastened in the key groove of the upper table top 1, the positioning nut 64 and the positioning screw 65 are installed on the fixed seat 66, and the front end of the positioning screw 65 leans on the rear end face of the sliding seat 69.

When the measurement is carried out,

1) The left and right limit screws 75 are adjusted to make the opening directions of the upper and lower U-shaped measuring frames 32 consistent and face the operator.

2) The positioning screws 65 and the fastening screws 67 are loosened, one end of the standard component is lapped between the right baffle plate 40 and the left baffle plate 61, and then the standard component is pushed to be centered and placed on the working plate 41.

3) The piston rods of the upper inner cylinder 21 and the lower inner cylinder 51 are controlled to extend through a pneumatic control device, so that the inner upper section measuring mechanism moves downwards, the inner lower section measuring mechanism moves upwards, the inner upper section measuring mechanism, the inner lower section measuring mechanism and the outer upper and lower section measuring mechanism are all located at measuring positions, at the moment, the positioning plate 70 leans against the outer circle of the standard part, and then the fastening screw 67 and the positioning screw 65 are screwed in sequence. In this way, the measuring station of the standard is adjusted.

4) The distance from the measuring position of the inner upper measuring section to the upper end face of the bearing outer ring is required to be 6.5 mm, the distance from the measuring position of the inner lower measuring section to the lower end face of the bearing outer ring is required to be 6.5 mm, the distance from the measuring position of the outer upper measuring section to the upper end face of the bearing outer ring is required to be 30 mm, the distance from the measuring position of the outer lower measuring section to the lower end face of the bearing outer ring is required to be 30 mm, the height of the adjusting pad 79 is adjusted, and the position of the measuring section is adjusted.

5) And after the position of the measuring section is adjusted, measuring the standard part.

Internal upper section measurement of standard:

the inner end surface of the upper end tooth mouth of the standard part is contacted with the upper inner measuring heads 33 on the left side and the right side, and the distance value between the upper inner measuring heads 33 on the left side and the right side is the inner diameter value of the upper end tooth mouth of the standard part. The end of the upper inner inductor 94 connected with the upper inner surface base 11 on the upper inner left measuring frame 9 is close to the end of the upper inner small platform 38 connected with the end of the upper inner adjusting screw 31 on the upper inner right measuring frame 29. The upper inner measuring heads 33 on the left and right sides move to drive the upper inner inductor 94 and the upper inner small table 38 to move through the inner gauge stand 11 on the upper inner left measuring frame 9 and the upper inner adjusting screw 31 connected to the upper inner right measuring frame 29, and the induction value of the upper inner inductor 94 is the displacement change value of the standard part after the upper teeth on the standard part compress the inner measuring heads 33 on the left and right sides, and is called as an inner upper section standard value. The upper inner inductor 94 is a displacement sensor, and converts the induction value into an electric signal to be transmitted to an external PLC and a display device, so as to complete the measurement of the inner upper section of the standard component.

Measuring the external upper and lower sections of the standard part:

the outer end face of the standard part is respectively contacted with the long measuring head 36 and the short measuring head 63 of the upper and lower U-shaped measuring frames 32, so that the distance between the upper and lower groups of the long measuring head 36 and the short measuring head 63 is respectively the size of the upper and lower outer section diameters of the standard part. The end of an outer diameter inductor 93 clamped by a gauge stand 7 arranged on the left end surface of the U-shaped measuring frame 32 is abutted against the end of a small table 5 at the end of a spring shaft 4. The short measuring head 63 moves to drive the small table 5 to move through the sliding measuring block 62 and the spring shaft 4, and the induction value of the upper and lower outer diameter inductors 93 is the displacement change value of the outer end surface of the standard component after compressing the upper and lower groups of the long measuring heads 36 and the short measuring head 63, and is called as an outer upper and lower section standard value. The outer diameter inductor 93 adopts a displacement sensor, converts an induction value into an electric signal and transmits the electric signal to an external PLC (programmable logic controller) and display equipment, and the measurement of the outer upper and lower sections of the standard part is completed.

Internal lower section measurements of the standard:

the inner end face of the lower end tooth mouth of the standard part is contacted with the lower inner measuring heads 59 on the front side and the rear side, and the distance value between the lower inner measuring heads 59 on the front side and the rear side is the inner diameter value of the lower end tooth mouth of the standard part. The end of a lower inner inductor 95 connected with the lower inner gauge seat 57 on the lower inner front frame 58 is close to the end of a lower inner small table 87 at the end of a lower inner adjusting screw 86 connected with the lower inner rear frame 84. The lower inner measuring heads 59 on the front side and the rear side move to drive the lower inner inductor 95 and the lower inner small table 87 to move through the lower inner gauge stand 57 on the lower inner front measuring frame 58 and the lower inner adjusting screw 86 connected to the lower inner rear measuring frame 84, and the induction value of the lower inner inductor 95 is the displacement change value of the lower end tooth socket of the standard component after compressing the lower inner measuring heads 59 on the front side and the rear side, and is called as an inner lower section standard value. The lower inner inductor 95 is a displacement sensor, which converts the induction value into an electric signal and transmits the electric signal to an external PLC and a display device, thereby completing the measurement of the inner lower section of the standard component.

6) The piston rods of the upper inner cylinder 21 and the lower inner cylinder 51 are controlled to retract through the pneumatic control device, the inner upper section measuring mechanism moves upwards, the inner lower section measuring mechanism moves downwards, the inner upper section measuring mechanism, the outer upper section measuring part, the outer lower section measuring part and the outer lower section measuring part both exit from the measuring position, the piston rod of the double-shaft cylinder 72 is controlled to extend through the pneumatic control device, the standard part is pushed out of the measuring station through the material pushing block 71, then the piston rod of the double-shaft cylinder 72 retracts, and the standard part is taken down at the moment.

7) The part to be measured is pushed into the measuring station and centered on the work plate 41.

8) The servo motor 92 rotates to drive the tested piece to rotate, the piston rods of the upper inner cylinder 21 and the lower inner cylinder 51 are controlled to extend through the pneumatic control device, the inner upper section measuring mechanism moves downwards, the inner lower section measuring mechanism moves upwards, and the inner upper section measuring mechanism, the inner lower section measuring mechanism and the outer upper and lower section measuring mechanisms are all located at measuring positions.

9) Measuring a measured piece:

measuring the inner upper section of the measured piece:

the inner end surface of the upper end tooth mouth of the measured piece is contacted with the upper inner measuring head 33 on the left side and the right side, and the end part of an upper inner inductor 94 connected with the upper inner surface base 11 on the upper inner left measuring frame 9 is abutted with the end part of an upper inner small table 38 on the end part of an upper inner adjusting screw 31 on the upper inner right measuring frame 29. The upper inner measuring heads 33 on the left side and the right side move to drive the upper inner inductor 94 and the upper inner small table 38 to move through the upper inner surface base 11 on the upper inner left measuring frame 9 and the upper inner adjusting screw 31 connected to the upper inner right measuring frame 29, the measured piece rotates by one circle, and at the moment, each induction value of the upper inner inductor 94 is a displacement change value after the upper tooth mouth of the measured piece rotates by one circle to compress the inner measuring heads 33 on the left side and the right side, and the displacement change value is called as an inner upper section measurement value. The upper inner inductor 94 converts each induction value of the measured piece rotating for one circle into an electric signal to be transmitted to an external PLC and display device, and the measurement of the inner upper section of the measured piece is completed.

Measuring the outer upper and lower sections of the measured piece:

the outer end face of the measured piece is respectively contacted with the long measuring head 36 and the short measuring head 63 of the upper and lower U-shaped measuring frames 32, and the end part of the outer diameter inductor 93 clamped by the gauge stand 7 arranged on the left end face of the U-shaped measuring frame 32 is close to the end part of the small table 5 at the end part of the spring shaft 4. The short measuring head 63 moves to drive the small table 5 to move through the sliding measuring block 62 and the spring shaft 4, the measured piece rotates for one circle, and at the moment, each induction value of the upper and lower outer diameter inductors 93 is a displacement change value of the outer end face of the measured piece rotating for one circle and compressing the upper and lower groups of the long measuring head 36 and the short measuring head 63, and the displacement change value is called as an outer upper and lower section measurement value. The outer diameter inductor 93 converts each induction value of the measured piece rotating for one circle into an electric signal to be transmitted to an external PLC (programmable logic controller) and display equipment, and the measurement of the outer upper and lower sections of the measured piece is completed.

Measuring the inner lower section of the measured piece:

the inner end surface of the lower end tooth mouth of the measured piece is contacted with the lower inner measuring heads 59 on the front side and the rear side, and the end part of a lower inner inductor 95 connected with the lower inner gauge seat 57 on the lower inner front measuring frame 58 is abutted with the end part of a lower inner small table 87 at the end part of a lower inner adjusting screw 86 connected with the lower inner rear measuring frame 84. The lower inner measuring heads 59 on the front side and the rear side move to drive the lower inner inductor 95 and the lower inner small table 87 to move through the lower inner gauge seat 57 on the lower inner front measuring frame 58 and the lower inner adjusting screw 86 connected to the lower inner rear measuring frame 84, the measured piece rotates by one circle, and each induction value of the lower inner inductor 95 is a displacement change value of the lower jaw opening of the measured piece after compressing the lower inner measuring heads 59 on the front side and the rear side by one circle, and the displacement change value is called as an inner lower section measurement value. The lower inner inductor 95 converts each induction value of the piece to be measured rotating for one turn into an electric signal to be transmitted to an external PLC controller and display equipment, and the measurement of the inner lower section of the piece to be measured is completed.

10 After the measurement is finished, the piston rods of the upper inner cylinder 21 and the lower inner cylinder 51 are controlled to retract through the pneumatic control device, the inner upper section measuring mechanism moves upwards, the inner lower section measuring mechanism moves downwards, the servo motor 92 stops rotating, the measured piece is fixed, the piston rod of the double-shaft cylinder 72 is controlled to extend through the pneumatic control device, the measured piece is pushed out of the measuring station through the material pushing block 71, then the piston rod of the double-shaft cylinder 72 retracts, the measured piece is taken down at the moment, and the measuring procedure is finished.

11 Comparing the maximum value, the minimum value and the average value of the measured values of the inner upper section with the standard value of the inner upper section, if the difference is within the range of tolerance (preferably 0.13 mm), the measured piece is qualified, otherwise, the measured piece is unqualified; comparing the maximum value, the minimum value and the average value of the measured values of the outer upper and lower sections with the standard values of the outer upper and lower sections, if the difference value is within the tolerance (preferably 0.29 mm), the measured piece is qualified, otherwise, the measured piece is unqualified; and comparing the maximum value, the minimum value and the average value of the measured values of the inner lower section with the standard values of the inner lower section, wherein if the difference is within the tolerance (preferably 0.13 mm), the measured piece is qualified, and otherwise, the measured piece is unqualified.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

it should be understood that parts of the specification not set forth in detail are of the prior art. The above embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art are intended to fall within the scope of the present invention as defined by the claims.

Claims (6)

1. A measuring device for a bearing outer ring of a railway wagon is characterized by comprising a rack, an inner upper section measuring mechanism, an outer lower section measuring mechanism, a material blocking mechanism, an inner lower section measuring mechanism, a rotary table mechanism, a material pushing mechanism and an outer diameter positioning mechanism;

the inner upper section measuring mechanism comprises an upper inner movable sleeve (28), the lower end of the upper inner movable sleeve (28) is connected with an upper inner guide sleeve (30), upper inner measuring head holes are formed in the left side and the right side of the upper inner guide sleeve (30), and the lower end of the upper inner guide sleeve (30) is connected with an upper inner cover plate (35); the upper end of the upper inner movable sleeve (28) is connected with an upper inner end cover (22), the upper inner end cover (22) is connected with the rack through an upper inner adjusting bolt (18), an upper inner positioning bolt (23) and an upper inner limiting nut (20), the upper inner end cover (22) is connected with a piston rod of an upper inner cylinder (21), and the upper inner cylinder (21) is connected with the rack; a guide sleeve (14) is arranged outside the upper inner moving sleeve (28); the left end and the right end in the upper inner movable sleeve (28) are respectively connected with an upper inner support (24), the left end and the right end of an upper inner spring leaf (27) are respectively fastened with the upper inner supports (24) at the left end and the right end through an upper inner pressing plate (25) and an upper inner pressing plate (26), and the lower ends of the upper inner spring leaf are respectively fastened with an upper inner left measuring frame (9) and an upper inner right measuring frame (29) through the upper inner pressing plate (25) and the upper inner pressing plate (26); the end parts of the upper inner left measuring frame (9) and the upper inner right measuring frame (29) are respectively connected with an upper inner measuring head (33) through an upper inner measuring head seat (34), and the upper inner measuring heads (33) on the left side and the right side are respectively arranged in upper inner measuring head holes on the left side and the right side of the upper inner guide sleeve (30); the upper inner left measuring frame (9) is connected with an upper inner inductor (94) through an upper inner surface base (11), the upper inner right measuring frame (29) is connected with an upper inner adjusting screw (31), the end part of the upper inner adjusting screw (31) is provided with an upper inner small platform (38), and the end part of the upper inner inductor (94) is leaned against the end part of the upper inner small platform (38); an upper inner screw (37) is connected between the upper inner left measuring frame (9) and the upper inner right measuring frame (29), and an upper inner compression spring (12) is sleeved on the upper inner screw (37);

the outer upper and lower section measuring mechanism comprises an upright post (73) connected with a rack, the upright post (73) is connected with an upper U-shaped measuring rack (32) and a lower U-shaped measuring rack (32), adjusting pads (79) are arranged below the U-shaped measuring racks (32) on the upright post (73), gaskets (80) on the upright post (73) are arranged between the upper adjusting pads (79) and the lower U-shaped measuring racks (32), each U-shaped measuring rack (32) is provided with a limiting bracket (78), a limiting seat (76) is arranged on the rack at the rear end of the upright post (73), the limiting brackets (78) are connected with the limiting seats (76) through limiting screws (75) at the left end and the right end, and compression springs (77) are sleeved on the limiting screws (75); the right side of the U-shaped measuring frame (32) is connected with the long measuring head (36) through the fixed measuring block (39), the left side of the U-shaped measuring frame (32) is connected with the short measuring head (63) through the sliding measuring block (62), and the long measuring head (36) and the short measuring head (63) are arranged in parallel in a horizontal plane; the left lower end of each U-shaped measuring frame (32) is connected with a support (8), a sliding measuring block (62) is arranged in a key groove at the lower end of the support (8), the lower end of the sliding measuring block is tightly pressed by a bottom plate (2), the support (8) is connected with an end cover (6), a spring shaft (4) is arranged in the end cover (6) and the sliding measuring block (62), a compression spring (3) is sleeved on the spring shaft (4), one end of the compression spring (3) leans against the end cover (6), the other end leans against the step end face of the spring shaft (4), a small table (5) is arranged at one end of the spring shaft (4), the upper end of the left end cover (6) of each U-shaped measuring frame (32) is connected with a gauge stand (7), the gauge stand (7) is connected with an outer diameter inductor (93), and the end part of the outer diameter inductor (93) leans against the end part of the small table (5);

the inner lower section measuring mechanism comprises a lower inner movable sleeve (48), the upper end of the lower inner movable sleeve (48) is connected with a lower inner guide sleeve (43), lower inner measuring head holes are formed in the front side and the rear side of the lower inner guide sleeve (43), and the upper end of the lower inner guide sleeve (43) is connected with a lower inner cover plate (42); the lower end of the lower inner movable sleeve (48) is connected with a lower inner end cover (55), the lower inner end cover (55) is connected with the turntable mechanism through a lower inner adjusting bolt (82), a lower inner positioning bolt (81) and a lower inner limiting nut (83), the lower inner end cover (55) is connected with a piston rod of a lower inner cylinder (51) through a floating joint (53), and the lower inner cylinder (51) is connected with the turntable mechanism; the front end and the rear end in the lower inner movable sleeve (48) are respectively connected with a lower inner support (54), the front end and the rear end of a lower inner spring leaf (56) are respectively fastened with the lower inner supports (54) at the front end and the rear end through a lower inner pressing plate (88) and a lower inner pressing plate (50), and the upper ends of the lower inner spring leaf are respectively fastened with a lower inner rear measuring frame (84) and a lower inner front measuring frame (58) through the lower inner pressing plate (88) and the lower inner pressing plate (50); the end parts of the lower inner rear measuring frame (84) and the lower inner front measuring frame (58) are respectively connected with a lower inner measuring head (59) through a lower inner measuring head seat (60); the lower inner measuring heads (59) at the front side and the rear side are respectively arranged in the lower inner measuring head holes at the front side and the rear side of the lower inner guide sleeve (43); the lower inner front measuring frame (58) is connected with a lower inner inductor (95) through a lower inner gauge seat (57), the lower inner rear measuring frame (84) is connected with a lower inner adjusting screw (86), the end part of the lower inner adjusting screw (86) is provided with a lower inner small table (87), and the end part of the lower inner inductor (95) is leaned against the end part of the lower inner small table (87); a lower inner screw (85) is connected between the lower inner rear measuring frame (84) and the lower inner front measuring frame (58), and a lower inner compression spring (89) is sleeved on the lower inner screw (85).

2. The device for measuring the bearing outer ring of the railway wagon according to claim 1, wherein the rack consists of an upper table top (1), a support rod (10), a guide support plate (13), a top rod (15) and a top plate (19); the upper table top (1) is connected with a guide support plate (13) through four support rods (10), and the guide support plate (13) is connected with a top plate (19) through four ejector rods (15).

3. The device for measuring the bearing outer ring of the railway wagon according to claim 1, wherein the material blocking mechanism comprises a right baffle plate (40) and a left baffle plate (61), and the right baffle plate (40) and the left baffle plate (61) are arranged at the position, close to the front, in the center of the upper table top (1) of the stand.

4. The measuring device for the bearing outer ring of the railway wagon according to claim 1, wherein the turntable mechanism comprises a base (47), the lower end of the base (47) is connected with a positioning table (49), and the lower end of the positioning table (49) is connected with an end cover (52); the upper end of a base (47) is fastened with an inner ring of a crossed roller bearing (46), an outer ring of the crossed roller bearing (46) is fastened with the lower end of a turntable (44), a working disc (41) is installed at the upper end of the turntable (44), a tray (45) is installed in an inner hole of the turntable (44) and the upper end of the crossed roller bearing (46), a positioning table (49) is connected with a servo motor (92) through a motor support (91), and a motor gear (90) installed on a motor shaft of the servo motor (92) is meshed with a tooth form on the turntable (44).

5. The measuring device for the bearing outer ring of the railway wagon according to claim 1, wherein the material pushing mechanism comprises a material pushing block (71) and a double-shaft cylinder (72) connected with an external pneumatic control device, the material pushing block (71) is fastened on a piston rod connecting plate at the front end of the double-shaft cylinder (72), and the double-shaft cylinder (72) is installed on an upper table top (1) of the rack.

6. The device for measuring the bearing outer ring of the railway wagon according to claim 1, wherein the outer diameter positioning mechanism comprises two groups of symmetrically arranged outer diameter positioning units, each group of outer diameter positioning units comprises a positioning nut (64), a positioning screw (65), a fixed seat (66), a fastening screw (67), a bearing end cover (68), a sliding seat (69) and a positioning sheet (70), the sliding seat (69) is fastened in a key groove of an upper table top (1) of the bench through a long circular hole by the fastening screw (67), the positioning sheet (70) is fastened at the front end of the sliding seat (69) through a bearing and the bearing end cover (68), the fixed seat (66) is fastened in the key groove of the upper plane of the upper table top (1), the positioning nut (64) and the positioning screw (65) are installed on the fixed seat (66), and the front end of the positioning screw (65) leans against the rear end face of the sliding seat (69).

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