CN220772121U - Grade bearing inner race detection device - Google Patents
Grade bearing inner race detection device Download PDFInfo
- Publication number
- CN220772121U CN220772121U CN202322358214.3U CN202322358214U CN220772121U CN 220772121 U CN220772121 U CN 220772121U CN 202322358214 U CN202322358214 U CN 202322358214U CN 220772121 U CN220772121 U CN 220772121U
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- diameter measuring
- measuring device
- inner diameter
- outer diameter
- mounting table
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- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 210000000078 claw Anatomy 0.000 claims description 36
- 238000006073 displacement reaction Methods 0.000 claims description 27
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a detection device for an inner ring of a grade bearing, which comprises a mounting table, a driving motor, a ball screw, a mounting seat, an inner diameter measurement device, an outer diameter measurement device and a centering clamp, wherein the mounting table is arranged on the mounting table; the driving motor is arranged at the top of the mounting table; the ball screw is connected with the output shaft of the driving motor; the inner diameter measuring device and the outer diameter measuring device are arranged on the hanger rail at the lower side of the mounting seat; the centering clamp is correspondingly arranged on the lower side of the mounting table with the inner diameter measuring device and the outer diameter measuring device. The three-point centering fixture clamps the roller path of the bearing inner ring workpiece for positioning, and when the bearing inner ring detection with different inner diameter grades is replaced, the centering fixture is not required to be readjusted, so that the detection of the inner ring workpiece with different specifications can be realized by one-time positioning, the mold changing time is saved, the detection efficiency is improved, the full-automatic measurement is realized, the detection precision is high, and the production investment is reduced; the outer diameter detection device can adapt to measurement of two inner rings with and without flanges, and has wide application range.
Description
Technical Field
The utility model relates to the technical field of railway vehicle rolling bearing detection, in particular to a device for detecting an inner ring of a grade bearing.
Background
When the railway vehicle is overhauled, the bearing inner ring is dismounted for many times, the axle journal plate is easy to produce strain and abrasion, if the surface of the axle is cracked or damaged by strain, turning or grinding is needed to be adopted for elimination, so that the size of the axle is reduced, and the axle is always scrapped because a bearing with the size smaller than that of a standard inner diameter is not matched; in order to utilize the axle with the small axle spindle, through the flaw detection of the axle spindle, under the condition of no crack and no scratch, the mechanical processing is not needed, and the grade bearing with the smaller diameter than the standard inner diameter of 0.5mm or 1mm is directly selected, so that the optimal interference is ensured; the tolerance range of the grade bearing, the inner ring of the bearing, the rollers and other dimensional tolerances and technical requirements are the same as those of the bearing with the standard inner diameter.
The inner rings of the grade bearings with different inner diameters are required to be detected after the machining is finished, in the prior art, the inner diameters and the roller paths are measured by adopting the mode of supporting the inner diameters to measure the inner rings of the bearings, when the inner rings of the grade bearings are measured, the outer diameters of the roller paths are consistent, but the inner diameters are different, in the clamping of the same measuring device, the inner rings cannot be ensured to be positioned concentrically with the clamp, the inner rings are required to be replaced or two instruments are required to be prepared for measurement, the waste of time and resources is caused, the lean production is not facilitated, the detected inner rings of the grade bearings are divided into two types, namely the bearing with the flange and the bearing without the flange, and the traditional mode of taking the large end face as the positioning reference cannot be adopted for measurement.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a detection device for the inner ring of a grade bearing, which can measure grade bearings with different inner diameters, finish the measurement of the inner diameter and the outer diameter by one-time clamping and has high measurement precision.
The technical scheme adopted by the utility model is as follows:
the device comprises a mounting table, a driving motor, a ball screw, a mounting seat, an inner diameter measuring device, an outer diameter measuring device and a centering clamp;
slide rails are vertically arranged on two side edges of the upper part of the mounting table; the driving motor is arranged at the top of the mounting table; the upper end of the ball screw is connected with the output shaft of the driving motor, and the lower end of the ball screw is supported by a supporting seat arranged on the mounting table; the mounting seat is an L-shaped plate, the mounting seat is connected with a screw nut of the ball screw, sliding blocks matched with the sliding rail of the mounting table are arranged on two sides of the rear part of the mounting seat, the driving motor drives the ball screw to drive the mounting seat to move up and down along the sliding rail, and two hanging rails are arranged on the lower side of the mounting seat in parallel;
the inner diameter measuring device is arranged on the hanging rail, which is close to the outer side, of the lower side of the mounting seat; the inner diameter measuring device comprises two groups of inner diameter measuring assemblies which are oppositely arranged, wherein each inner diameter measuring assembly comprises a bracket, a cylinder A, a displacement block, a parallel leaf spring mechanism, an inner diameter measuring inductance sensor, a measuring rod and an anvil; the support is arranged on the hanger rail through a fast-assembling screw, the support is provided with a roller, the cylinder A is arranged on the support, the displacement block is connected with the output end of the cylinder A, the displacement block is of a wedge-shaped structure, the oblique side of the displacement block is in contact with the roller, the parallel leaf spring mechanism is arranged on the support, the inner diameter measuring inductance sensor is arranged on the parallel leaf spring mechanism, the measuring rod is arranged on the lower side of the parallel leaf spring mechanism, and the measuring anvil is arranged at the lower end of the measuring rod;
the outer diameter measuring device is arranged on the hanging rail, which is close to the inner side, of the lower side of the mounting seat; the outer diameter measuring device comprises two groups of outer diameter measuring assemblies which are oppositely arranged, and each outer diameter measuring assembly comprises a mounting rod and a pneumatic displacement sensor; the mounting rod is arranged on the hanger rail through a quick-mounting screw, and the pneumatic displacement sensor is arranged at the lower end of the mounting rod;
the centering clamp is correspondingly arranged at the lower side of the mounting table with the inner diameter measuring device and the outer diameter measuring device, and comprises a clamp disc, a supporting plate, an air cylinder B and an electric push rod; the fixture disc comprises a circular plate, wherein supporting blocks are uniformly arranged on the disc surface at intervals along the radial direction, two positioning claws and a movable claw are uniformly arranged on the fixture disc at intervals, the two positioning claws are arranged on the disc surface of the fixture disc close to the outer side, the movable claw is arranged on the disc surface close to the inner side, a cylinder B is supported by the supporting plate, the extending end of the cylinder B is connected with the movable claw, and the movable claw is driven to move along a sliding groove on the disc surface to tighten a workpiece; the electric putter level sets up on the mount table, and electric putter stretches out the end and corresponds with the work piece position.
Specifically, the two anvil heads of the inner diameter measuring assembly and the measuring heads of the two pneumatic displacement sensors of the outer diameter measuring device are positioned on the same straight line, and the straight line and the diameter position of the workpiece on the clamp disc are positioned on the same vertical plane.
Specifically, two step sliding grooves and a through sliding groove are formed in the clamp disc, a plurality of fixing holes are formed in the bottom of each step sliding groove, long waist holes are formed in the positioning clamping claws, and the two positioning clamping claws are arranged on the step sliding grooves through bolts; the movable claw is connected with the extending end of the cylinder B and arranged in the through chute, and the cylinder B drives the movable claw to move along the chute.
Specifically, driving motor, internal diameter measuring device, external diameter measuring device and centering anchor clamps all be connected with external control system, control through external control system.
By adopting the technical scheme, the utility model has the following advantages:
according to the utility model, the raceway of the bearing inner ring workpiece is clamped by the three-point centering clamp for positioning, and the centering clamp is not required to be readjusted when the bearing inner ring detection with different inner diameter grades is replaced, so that the detection of the inner ring workpiece with different inner diameters can be positioned once, the mold changing time is saved, the detection efficiency is improved, the full-automatic measurement is realized, the detection precision is high, and the production investment is reduced; the outer diameter detection device can adapt to measurement of two inner rings with and without flanges, and has wide application range.
Drawings
Fig. 1 is an overall schematic of the present utility model.
Fig. 2 is a schematic diagram of another aspect of the present utility model.
FIG. 3 is a schematic view of an inside diameter measuring device of the present utility model.
Fig. 4 is a schematic view of an outer diameter measuring device of the present utility model.
Fig. 5 is a schematic view of the clamp plate of the present utility model.
In the figure: the device comprises a 1-mounting table, a 11-sliding rail, a 12-supporting seat, a 2-driving motor, a 3-ball screw, a 31-screw nut, a 4-mounting seat, a 41-hanging rail, a 5-inner diameter measuring device, a 51-bracket, a 511-quick-mounting screw, a 512-roller, a 52-cylinder A, a 53-displacement block, a 54-parallel leaf spring mechanism, a 55-inner diameter measuring inductance sensor, a 56-measuring rod, a 57-anvil, a 6-outer diameter measuring device, a 61-mounting rod, a 62-pneumatic displacement sensor, a 7-centering clamp, a 71-clamp disc, a 711-supporting block, a 712-positioning claw, a 713-movable claw, a 72-supporting plate, a 73-cylinder B, a 74-electric push rod and an 8-inner ring workpiece.
Detailed Description
The present utility model is further explained below with reference to the drawings and examples, which are not to be construed as limiting the scope of the utility model, and the purpose of the present utility model is to protect all technical improvements within the scope of the utility model.
The device for detecting the inner ring of the grade bearing comprises a mounting table 1, a driving motor 2, a ball screw 3, a mounting seat 4, an inner diameter measuring device 5, an outer diameter measuring device 6 and a centering clamp 7.
Slide rails 11 are vertically arranged on two side edges of the upper part of the mounting table 1; the driving motor 2 is arranged at the top of the mounting table 1; the upper end of the ball screw 3 is connected with the output shaft of the driving motor 2, and the lower end is supported by a supporting seat 12 arranged on the mounting table 1; the mount pad 4 is L shape plate, and mount pad 4 is connected with ball screw 3's lead screw nut 3, and mount pad 4 rear portion both sides are provided with mount pad 1 slide rail 11 assorted slider, and driving motor 2 drive ball screw 3 drives mount pad 4 along slide rail 11 reciprocates, and mount pad 4 downside parallel arrangement has two hanger rails 41.
The inner diameter measuring device 5 is arranged on the hanging rail 41 which is arranged on the lower side of the mounting seat 4 and is close to the outer side; the inner diameter measuring device 5 comprises two groups of inner diameter measuring components which are oppositely arranged, wherein each inner diameter measuring component comprises a bracket 51, a cylinder A52, a displacement block 53, a parallel leaf spring mechanism 54, an inner diameter measuring inductance sensor 55, a measuring rod 56 and an anvil 57; the bracket 51 is arranged on the hanger rail 41 through the quick-mounting screw 511, the roller 512 is arranged on the bracket 51, the air cylinder A52 is arranged on the bracket 51, the displacement block 53 is connected with the output end of the air cylinder A52, the displacement block 53 is of a wedge-shaped structure, the inclined edge of the displacement block 53 is in contact with the roller 512, the parallel leaf spring mechanism 54 is arranged on the bracket 51, the inner diameter measuring inductance sensor 55 is arranged on the parallel leaf spring mechanism 54, the measuring rod 56 is arranged on the lower side of the parallel leaf spring mechanism 54, and the measuring anvil is arranged at the lower end of the measuring rod 56.
The outer diameter measuring device 6 is arranged on the hanging rail 41 which is arranged at the lower side of the mounting seat 4 and is close to the inner side; the outer diameter measuring device 6 comprises two sets of oppositely arranged outer diameter measuring assemblies, each outer diameter measuring assembly comprises a mounting rod 61 and a pneumatic displacement sensor 62; the mounting rod 61 is provided on the hanger rail 41 by a quick-mounting screw, and the pneumatic displacement sensor 62 is provided at the lower end of the mounting rod 61.
The centering clamp 7 is arranged at the lower side of the mounting table 1 in correspondence with the inner diameter measuring device 5 and the outer diameter measuring device 6, and the centering clamp 7 comprises a clamp disc 71, a supporting plate 72, a cylinder B73 and an electric push rod 74; the clamp disc 71 is a circular plate, support blocks 711 are uniformly arranged on the disc surface at intervals along the radial direction, two step sliding grooves and a through sliding groove are arranged on the clamp disc 71, and a plurality of fixing holes are formed in the bottom of each step sliding groove; two positioning claws 712 and a movable claw 713 are uniformly arranged on the clamp disc 71 at intervals, long waist holes are formed in the positioning claws 712, the two positioning claws 712 are arranged on the step sliding grooves through bolts, the two positioning claws 712 are arranged on the disc surface of the clamp disc 71 close to the outer side, the movable claw 713 is arranged on the disc surface close to the inner side, and the movable claw 713 is arranged in the through sliding grooves; the cylinder B73 is supported by the supporting plate 72, and the extending end of the cylinder B73 is connected with the movable claw 713 to drive the movable claw 713 to move along the chute to tighten the workpiece; the electric push rod 74 is horizontally arranged on the mounting table 1, and the extending end of the electric push rod 74 corresponds to the position of the workpiece.
Preferably, the two anvils 57 of the inner diameter measuring assembly and the measuring heads of the two pneumatic displacement sensors 62 of the outer diameter measuring device 6 are positioned on the same straight line, and the straight line and the diameter position of the workpiece on the clamp disc 71 are positioned on the same vertical plane.
Preferably, the driving motor 2, the inner diameter measuring device 5, the outer diameter measuring device 6 and the centering fixture 7 are all connected with an external control system, and are controlled by the external control system.
During operation, according to the outer diameter size of one end of the inner ring workpiece 8 without a flange, the positions of the two positioning clamping claws 712 are adjusted in advance through screws, so that the inner ring workpiece 8 and the clamp disc 71 are concentric, and in an initial state, the movable clamping claws 713 are positioned far away from the center of the clamp disc 71; placing one end of the inner ring workpiece 8 with a flange upwards on a supporting block 711, controlling the action of an electric push rod 74 by a control system, pushing the inner ring workpiece 8 forwards, retracting the electric push rod 74 after the outer wall of the lower end of the inner ring workpiece 8 contacts with two positioning claws 712, driving a movable claw 713 to move forwards in a chute by a cylinder B73, and clamping the inner ring workpiece 8 after the movable claw 713 contacts with the inner ring workpiece 8; the control system controls the driving motor 2 to work, the ball screw 3 drives the mounting seat 4 to move downwards, the inner diameter measuring device 5 and the outer diameter measuring device 6 are lowered, when the inner diameter measuring device 5 and the outer diameter measuring device 6 reach a set position, the control system controls the two air cylinders A52 of the inner diameter measuring device 5 to act simultaneously, the air cylinders A52 push the displacement block 53 downwards, the inclined surfaces of the displacement block 53 are contacted with the wall of the roller 512, the parallel leaf spring mechanism 54 is enabled to deform to drive the two measuring rods 56 to move outwards, the two anvil heads 57 are contacted with the inner wall of the inner ring workpiece 8, and an inner diameter measuring signal is sent to the control system through the inner diameter measuring inductance sensor 55; simultaneously, the two pneumatic displacement sensors 62 of the outer diameter measuring device 6 are relatively ejected; the two pneumatic displacement sensors 62 are propped against the outer wall of the inner ring workpiece 8, and the measured outer diameter data signals are sent to a control system; and simultaneously, the measurement of the inner diameter and the outer diameter is completed.
The utility model is not described in detail in the prior art.
The embodiments selected herein for the purposes of disclosing the present utility model are presently considered to be suitable, however, it is to be understood that the present utility model is intended to include all such variations and modifications as fall within the spirit and scope of the present utility model.
Claims (4)
1. The device is characterized by comprising a mounting table, a driving motor, a ball screw, a mounting seat, an inner diameter measuring device, an outer diameter measuring device and a centering clamp;
slide rails are vertically arranged on two side edges of the upper part of the mounting table; the driving motor is arranged at the top of the mounting table; the upper end of the ball screw is connected with the output shaft of the driving motor, and the lower end of the ball screw is supported by a supporting seat arranged on the mounting table; the mounting seat is an L-shaped plate, the mounting seat is connected with a screw nut of the ball screw, sliding blocks matched with the sliding rail of the mounting table are arranged on two sides of the rear part of the mounting seat, the driving motor drives the ball screw to drive the mounting seat to move up and down along the sliding rail, and two hanging rails are arranged on the lower side of the mounting seat in parallel;
the inner diameter measuring device is arranged on the hanging rail, which is close to the outer side, of the lower side of the mounting seat; the inner diameter measuring device comprises two groups of inner diameter measuring assemblies which are oppositely arranged, wherein each inner diameter measuring assembly comprises a bracket, a cylinder A, a displacement block, a parallel leaf spring mechanism, an inner diameter measuring inductance sensor, a measuring rod and an anvil; the support is arranged on the hanger rail through a fast-assembling screw, the support is provided with a roller, the cylinder A is arranged on the support, the displacement block is connected with the output end of the cylinder A, the displacement block is of a wedge-shaped structure, the oblique side of the displacement block is in contact with the roller, the parallel leaf spring mechanism is arranged on the support, the inner diameter measuring inductance sensor is arranged on the parallel leaf spring mechanism, the measuring rod is arranged on the lower side of the parallel leaf spring mechanism, and the measuring anvil is arranged at the lower end of the measuring rod;
the outer diameter measuring device is arranged on the hanging rail, which is close to the inner side, of the lower side of the mounting seat; the outer diameter measuring device comprises two groups of outer diameter measuring assemblies which are oppositely arranged, and each outer diameter measuring assembly comprises a mounting rod and a pneumatic displacement sensor; the mounting rod is arranged on the hanger rail through a quick-mounting screw, and the pneumatic displacement sensor is arranged at the lower end of the mounting rod;
the centering clamp is correspondingly arranged at the lower side of the mounting table with the inner diameter measuring device and the outer diameter measuring device, and comprises a clamp disc, a supporting plate, an air cylinder B and an electric push rod; the fixture disc comprises a circular plate, wherein supporting blocks are uniformly arranged on the disc surface at intervals along the radial direction, two positioning claws and a movable claw are uniformly arranged on the fixture disc at intervals, the two positioning claws are arranged on the disc surface of the fixture disc close to the outer side, the movable claw is arranged on the disc surface close to the inner side, a cylinder B is supported by the supporting plate, the extending end of the cylinder B is connected with the movable claw, and the movable claw is driven to move along a sliding groove on the disc surface to tighten a workpiece; the electric push rod is horizontally arranged on the mounting table, and the extending end of the electric push rod corresponds to the position of the inner ring workpiece.
2. The grade bearing inner race detection device of claim 1, wherein: the two anvil heads of the inner diameter measuring assembly and the measuring heads of the two pneumatic displacement sensors of the outer diameter measuring device are positioned on the same straight line, and the straight line and the diameter position of the workpiece on the clamp disc are positioned on the same vertical plane.
3. The grade bearing inner race detection device of claim 1, wherein: the clamp disc is provided with two step sliding grooves and a through sliding groove, the bottom of each step sliding groove is provided with a plurality of fixing holes, each positioning claw is provided with a long waist hole, and the two positioning claws are arranged on each step sliding groove through bolts; the movable claw is connected with the extending end of the cylinder B and arranged in the through chute, and the cylinder B drives the movable claw to move along the chute.
4. The grade bearing inner race detection device of claim 1, wherein: the driving motor, the inner diameter measuring device, the outer diameter measuring device and the centering fixture are all connected with an external control system and controlled by the external control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322358214.3U CN220772121U (en) | 2023-08-31 | 2023-08-31 | Grade bearing inner race detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322358214.3U CN220772121U (en) | 2023-08-31 | 2023-08-31 | Grade bearing inner race detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220772121U true CN220772121U (en) | 2024-04-12 |
Family
ID=90617803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322358214.3U Active CN220772121U (en) | 2023-08-31 | 2023-08-31 | Grade bearing inner race detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220772121U (en) |
-
2023
- 2023-08-31 CN CN202322358214.3U patent/CN220772121U/en active Active
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