CN109612369B - Bearing inner and outer ring end face height difference measuring device - Google Patents
Bearing inner and outer ring end face height difference measuring device Download PDFInfo
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- CN109612369B CN109612369B CN201811583728.6A CN201811583728A CN109612369B CN 109612369 B CN109612369 B CN 109612369B CN 201811583728 A CN201811583728 A CN 201811583728A CN 109612369 B CN109612369 B CN 109612369B
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- 238000001514 detection method Methods 0.000 claims abstract description 30
- 238000005259 measurement Methods 0.000 claims abstract description 6
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000003028 elevating effect Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012549 training Methods 0.000 abstract description 2
- 239000000523 sample Substances 0.000 description 11
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Abstract
The invention discloses a bearing inner and outer ring end face height difference measuring device, which comprises: a detection base; the bearing mounting mechanism to be detected is fixed on the detection base; a force measuring mechanism slidably mounted on the detection base; a loading mechanism slidably mounted on the detection base; a loading driving mechanism arranged on the detection base; and the bearing inner and outer ring end face height difference measuring mechanism is arranged on the detection base. The invention has the beneficial effects that: the invention has simple structure and convenient operation, and can detect by hands only by simply training the detection personnel; and the universal test device is strong in universality, suitable for measurement of different load requirements, and capable of realizing testing of bearings of different types by changing measurement tools.
Description
Technical Field
The invention relates to the technical field of bearing measuring devices, in particular to a measuring device for the height difference of end faces of inner and outer rings of a bearing.
Background
When the deep groove ball bearing and the four-point contact ball bearing (non-inner ring separation structure) bear rated axial load, the inner ring end face can generate displacement relative to the outer ring end face due to the play of the deep groove ball bearing and the four-point contact ball bearing, local micro deformation can be generated under the load, the axial displacement is increased, and the height difference of the inner ring end face and the outer ring end face of the deep groove ball bearing and the four-point contact ball bearing in a customer installation working condition can not be known under the condition of not carrying out simulation working condition test due to the uncertainty of groove positions in the deep groove ball bearing and the four-point contact ball bearing and the uncertainty of width deviation values of the deep groove ball bearing and the four-point contact ball bearing.
The present invention has been advantageously explored and tried to solve the above problems, and the solution to be described below is in this context.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device for measuring the height difference of the end faces of the inner ring and the outer ring of a bearing aiming at the defects and the shortcomings of the prior art.
The technical problems solved by the invention can be realized by adopting the following technical scheme:
the utility model provides a bearing inner and outer circle terminal surface difference in height measuring device which characterized in that includes:
A detection base;
The bearing mounting mechanism to be detected is fixed on the detection base;
A force measuring mechanism slidably mounted on the detection base;
the loading mechanism is slidably arranged on the detection base and is connected with the force measuring mechanism, and the loading mechanism is provided with a first loading head and a second loading head which are positioned on two sides of the axis direction of the bearing mounting seat to be detected;
the loading driving mechanism is connected with the force measuring mechanism and drives a first loading head and a second loading head in the loading mechanism through the force measuring mechanism to load a first end face and a second end face of an inner ring of a bearing to be detected, which are arranged on the bearing mounting mechanism to be detected, respectively;
The plane measuring head in the bearing inner and outer ring end face height difference measuring mechanism acts on the second end face of the inner ring of the bearing to be detected on the bearing mounting mechanism to be detected, so that the bearing inner and outer ring end face height difference can be measured under the loading condition.
In a preferred embodiment of the invention, a guide rail is provided on the upper surface of the detection base, on which guide rail the load cell and the loading cell are slidingly arranged by means of respective slides.
In a preferred embodiment of the present invention, the bearing mounting mechanism to be detected includes a bearing mounting seat to be detected and a bearing pressing block to be detected, the bearing mounting seat to be detected is fixed on the detection base, a bearing mounting position to be detected is provided on the upper portion of the bearing mounting seat to be detected, after the bearing to be detected is mounted on the bearing mounting position to be detected, the bearing pressing block to be detected is mounted on the bearing mounting seat to be detected through a fastener, and the bearing pressing block to be detected and the bearing mounting seat to be detected together compress an outer ring of the bearing to be detected.
In a preferred embodiment of the present invention, the bearing mounting position to be detected is a first U-shaped groove provided on the bearing mounting seat to be detected and having a U-shaped pressing edge, and the size of the first U-shaped groove is adapted to the size of the outer ring of the bearing to be detected; and a second U-shaped groove is formed in the bearing pressing block to be detected, and when the bearing pressing block to be detected is detected, the outer ring of the bearing to be detected is placed in the first U-shaped groove, and the U-shaped pressing edge and the edge of the second U-shaped groove are used for jointly pressing the outer ring of the bearing to be detected.
In a preferred embodiment of the present invention, the force measuring mechanism comprises a force measuring mechanism base and a push-pull force gauge, wherein the force measuring mechanism base is installed on the guide rail through a sliding block, and the push-pull force gauge is installed on the force measuring mechanism base; the push-pull force measuring head of the push-pull force meter is connected with the loading mechanism through a connecting part and is used for measuring the loading force of the loading mechanism.
In a preferred embodiment of the present invention, the load cell further comprises a load cell base and two load cell base elevating blocks, the load cell base being mounted on the load cell base by the two load cell base elevating blocks; the push-pull gauge is mounted on the dynamometer base.
In a preferred embodiment of the invention, the load cell further comprises a load cell protective cover covering the push-pull load cell and mounted on the load cell base.
In a preferred embodiment of the present invention, the loading mechanism further includes a first loading head mounting base, a second loading head mounting base, and a connecting rod, the first loading head mounting base and the second loading head mounting base are separately disposed at two sides of the axis direction of the bearing mounting mechanism to be detected, and the first loading head mounting base and the second loading head mounting base are further slidably mounted on the guide rail through respective sliding blocks; two ends of the connecting rod are respectively connected with the first loading head mounting base and the second loading head mounting base through fasteners; the first loading head and the second loading head are respectively arranged on the first loading head mounting base and the second loading head mounting base.
In a preferred embodiment of the invention, a hole is provided in the lower part of the bearing mount to be inspected, and the connecting rod passes through the hole in the lower part of the bearing mount to be inspected.
In a preferred embodiment of the present invention, a step hole is formed in the middle of the first loading head mounting base, and the step hole is composed of a coaxial large-diameter hole and a coaxial small-diameter hole; the connecting part in the force measuring mechanism comprises a connecting sleeve and a connecting bolt, wherein the connecting sleeve is provided with a step shaft outside and a step-shaped inner hole inside; the step shaft consists of a large-diameter shaft and a small-diameter shaft which are coaxial, and the small-diameter shaft is inserted into the small-diameter hole and is tightly matched with the small-diameter hole; the step-shaped inner hole consists of a small-diameter inner hole and a large-diameter inner hole which are coaxial, and a push-pull force measuring head of the push-pull force meter is inserted into the small-diameter inner hole of the connecting sleeve from the end, adjacent to the push-pull force meter, of the connecting sleeve and penetrates through the small-diameter inner hole to enter the large-diameter inner hole; a fixed head is fixed at the end of the push-pull force measuring head entering the large-diameter inner hole, and the outer diameter of the fixed head is larger than the diameter of the small-diameter inner hole but smaller than the diameter of the large-diameter inner hole; a clamp spring is arranged on the part of the push-pull force measuring head, which is positioned outside the connecting sleeve, and the clamp spring is matched with the fixed head to enable the push-pull force measuring head to be connected with the connecting sleeve; one end of the connecting bolt is screwed into the internal thread of the large-diameter inner hole from the side, adjacent to the bearing mounting seat to be detected, of the connecting sleeve, a gasket is sleeved on the connecting bolt, and the outer diameter of the gasket is larger than the large-diameter inner hole and smaller than the inner diameter of the large-diameter hole; the washer is matched with the large-diameter shaft to fix the connecting sleeve on the first loading head mounting base.
In a preferred embodiment of the present invention, the second loading head is of a hollow structure and has an inner hole, and the plane measuring head in the bearing inner-outer ring end face height difference measuring mechanism passes through the inner hole of the second loading head to act on the second end face of the inner ring of the bearing to be detected.
In a preferred embodiment of the present invention, a ring-shaped protrusion for axially limiting the second loading head is provided on the outer circumference of the second loading head, and the ring-shaped protrusion contacts with the end surface of the second loading head mounting base facing the bearing mounting seat to be detected.
In a preferred embodiment of the invention, the measuring mechanism for the height difference of the end surfaces of the inner ring and the outer ring of the bearing further comprises a dial indicator base, a dial indicator locking sleeve, a dial indicator inserting hole seat, a measuring head lengthening bar sleeve and a lengthening bar, wherein the dial indicator base is fixed on the detection base, and an axial hole is formed in the upper part of the dial indicator base; the first end of the measuring head lengthening bar sleeve extends into the inner hole of the second loading head, and the second end of the measuring head lengthening bar sleeve is inserted into the axial hole on the dial indicator base in a sliding manner; the measuring head of the dial indicator is inserted into the inner hole of the measuring head extension bar sleeve from the second end of the measuring head extension bar sleeve through the dial indicator insertion hole seat, and the measuring head of the dial indicator is locked with the dial indicator insertion hole seat through the dial indicator locking sleeve; the lengthening bar is arranged in the inner hole of the lengthening bar sleeve of the measuring head in a sliding mode, the first end of the lengthening bar is connected with the plane measuring head in a force mode, and the second end of the lengthening bar is connected with the dial indicator inserting hole in a force mode.
In a preferred embodiment of the invention, a flange part for axial limiting is arranged on the measuring head extension rod sleeve, and the flange part is contacted with the side end surface of the dial indicator base, which is far away from the dial indicator.
In a preferred embodiment of the present invention, the loading driving mechanism includes a hand wheel mechanism mount, a connection block, a screw nut, and a hand wheel mechanism; the hand wheel mechanism comprises a hand wheel shaft, a hand wheel and a hand wheel handle; the hand wheel mechanism mounting seat is fixed on the detection base, a threaded hole is formed in the hand wheel mechanism mounting seat, and the hand wheel shaft is screwed through the threaded hole; the connecting block is fixed on the dynamometer base, the screw rod nut is mounted on the connecting block and is axially limited on the connecting block through two lock nuts and two bushings, and the screw rod is meshed with the screw rod nut and penetrates through the connecting block; one end of the screw rod is fixedly connected with the end, far away from the hand wheel, of the hand wheel shaft, the end, far away from the screw rod, of the hand wheel shaft is provided with the hand wheel, and the hand wheel handle is arranged on the hand wheel; the hand wheel can be driven to rotate through the hand wheel handle, the rotating hand wheel can drive the screw rod to rotate through the hand wheel shaft, the screw rod can drive the connecting block to conduct linear motion through the screw rod nut, and therefore the force measuring mechanism is driven to conduct linear motion, and the loading mechanism is further driven to conduct linear motion to load.
Due to the adoption of the technical scheme, the invention has the beneficial effects that: the invention has simple structure and convenient operation, and can detect by hands only by simply training the detection personnel; and the universal test device is strong in universality, suitable for measurement of different load requirements, and capable of realizing testing of bearings of different types by changing measurement tools.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural perspective view of a device for measuring the height difference between the end surfaces of the inner ring and the outer ring of the bearing.
FIG. 2 is a front view of the device for measuring the height difference of the end surfaces of the inner ring and the outer ring of the bearing.
FIG. 3 is a cross-sectional view of the bearing inner and outer ring end face height difference measuring device of the present invention.
Detailed Description
The invention is further described below in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.
Referring to fig. 1 to 3, there is shown a bearing inner and outer race end face height difference measuring apparatus, which includes a detection base 100, and a guide rail 110 is provided on an upper surface of the detection base 100.
The bearing inner and outer ring end face height difference measuring device of the specific embodiment further comprises a bearing installation mechanism to be detected. The bearing mounting mechanism to be detected comprises a bearing mounting seat 400 to be detected and a bearing pressing block 410 to be detected, wherein the bearing mounting seat 400 to be detected is fixed on the detection base 100, and a bearing mounting position 420 to be detected is arranged on the upper part of the bearing mounting seat 400 to be detected.
The bearing mounting position 420 to be detected is a first U-shaped groove 422 arranged on the bearing mounting seat 400 to be detected and provided with a U-shaped pressing edge 421, and the size of the first U-shaped groove 422 is matched with the size of the outer ring 610 of the bearing 600 to be detected; a second U-shaped slot 411 is formed in the bearing block 410 to be tested. In detection, the outer ring 610 of the bearing 600 to be detected is placed in the first U-shaped groove 422, and after the bearing pressing block 410 to be detected is mounted on the bearing mounting seat 400 to be detected through fasteners such as four fastening bolts 430, the U-shaped pressing edge 421 and the edge of the second U-shaped groove 422 together compress the outer ring 610 of the bearing 600 to be detected. A hole 440 is provided at the lower portion of the bearing mount 400 to be inspected.
The device for measuring the height difference of the end faces of the inner ring and the outer ring of the bearing in the specific embodiment further comprises a force measuring mechanism. The load cell includes a load cell base 200, push-pull load cell 220, load cell base 230, two load cell base elevating blocks 241, 242, and load cell protective cover 224.
The load cell base 200 is mounted on the rail 110 by a slider 222 and the load cell base 230 is mounted on the load cell base 200 by two load cell base elevating blocks 241, 242. The push-pull meter 220 is mounted on a meter base 230 and a meter boot 224 covers the push-pull meter head 221 of the push-pull meter 220 and is mounted on the meter base 230.
The bearing inner and outer ring end face height difference measuring device of the present embodiment further includes a loading mechanism 300. The loading mechanism 300 includes a first loading head 360, a second loading head 370, a first loading head mounting base 310, a second loading head mounting base 320, and a connecting rod 350, wherein the first loading head mounting base 310 and the second loading head mounting base 320 are separately disposed at two sides of the axis direction of the bearing mounting base 400 to be detected. The first and second load head mounting bases 310, 320 are also slidably mounted on the rail 110 by respective slides 330, 340.
The connection rod 350 passes through a hole 440 in the lower portion of the bearing mount 400 to be inspected, and both ends thereof are connected to the first and second loading head mounting bases 310 and 320, respectively, by fasteners such as bolts. The first and second loading heads 360 and 370 are mounted on the first and second loading head mounting bases 310 and 320, respectively.
The second loading head 370 is hollow and has an inner bore 371. Further, an annular protrusion 372 for axially limiting the second loading head 370 is provided on the outer circumference of the second loading head 320, and the annular protrusion 372 is in contact with the end surface 321 of the second loading head mounting base 320 facing the bearing mount 400 to be detected.
A stepped hole is formed in the middle of the first loading head mounting base 310, and the stepped hole is composed of a large diameter hole 311 and a small diameter hole 312 which are coaxial.
The push-pull force measuring head 221 of the push-pull force gauge 220 is connected to the first loading head mounting base 310 by a connecting member for measuring the loading force of the loading mechanism.
The connecting part comprises a connecting sleeve 341 and a connecting bolt 342, wherein the connecting sleeve 341 is provided with a step shaft outside and a step-shaped inner hole inside. The stepped shaft is composed of a coaxial large-diameter shaft 341a and small-diameter shaft 341b, and the stepped inner hole is composed of a coaxial small-diameter inner hole 341c and a large-diameter inner hole 341 d.
The small diameter shaft 341b is inserted into the small diameter hole 312 and is tightly fitted with the small diameter hole 312.
The push-pull force measuring head 221 of the push-pull force gauge 220 is inserted into the small diameter inner hole 341c of the connecting sleeve 341 from the end of the connecting sleeve 341 adjacent to the push-pull force gauge 220 and passes through the small diameter inner hole 341c into the large diameter inner hole 341 d; a fixing head 345 is fixed to the end of the push-pull force measuring head 221 which enters the large-diameter inner hole 341d, and the outer diameter of the fixing head 345 is larger than the diameter of the small-diameter inner hole 341c but smaller than the diameter of the large-diameter inner hole 341 d; a clamp spring is arranged on the part of the push-pull force measuring head 221, which is positioned outside the connecting sleeve 341, and the clamp spring is matched with the fixed head 345 to connect the push-pull force measuring head 221 with the connecting sleeve 341.
One end of the inner thread is arranged on the side, close to the bearing mounting seat 400 to be detected, of the large-diameter inner hole 341d, the connecting bolt 342 is screwed into the inner thread of the large-diameter inner hole 341d from the side, close to the bearing mounting seat 400 to be detected, of the connecting sleeve 341, a gasket 343 is sleeved on the connecting bolt 342, and the outer diameter of the gasket 343 is larger than the inner diameter of the large-diameter inner hole 341d and smaller than the inner diameter of the large-diameter hole 311; the washer 343 cooperates with the large diameter shaft 341a to fix the connection sleeve 341 to the stepped hole of the first loading head mounting base 310.
The device for measuring the height difference of the end surfaces of the inner ring and the outer ring of the bearing in the specific embodiment further comprises a mechanism for measuring the height difference of the end surfaces of the inner ring and the outer ring of the bearing. The measuring mechanism for the height difference of the end surfaces of the inner ring and the outer ring of the bearing further comprises a dial indicator base 520, a dial indicator 500, a dial indicator locking sleeve 550, a dial indicator inserting hole seat, a measuring head lengthening rod sleeve 530, a lengthening rod 540 and a plane measuring head 570.
The dial indicator base 520 is fixed on the detection base 110, and an axial hole 521 is formed in the upper portion of the dial indicator base 520; the first end of the probe extension bar sleeve 530 extends into the bore 371 of the second loading head 370 and the second end of the probe extension bar sleeve 530 is slidably inserted into the axial bore 521 in the dial indicator base 520.
The measuring head 510 of the dial indicator 500 is inserted into the inner hole 531 of the measuring head extension bar sleeve 530 from the second end of the measuring head extension bar sleeve 530 through the dial indicator insertion hole seat, and the measuring head 510 of the dial indicator 500 is locked with the dial indicator insertion hole seat 530 through the dial indicator locking sleeve 550; the extension bar 540 is slidably disposed in the inner hole 531 of the probe extension bar sleeve 530, the first end of the extension bar 540 is in force connection with the plane probe 570, and the second end of the extension bar 540 is in force connection with the dial indicator insertion hole, so that the extension bar 540 can drive the plane probe 570 to act on the second end face of the inner ring 620 of the bearing 600 to be detected through the inner hole 371 of the second loading head 370. The gauge head extension bar sleeve 530 is provided with a flange portion 532 for axial limitation, and the flange portion 530 is in contact with the side end surface 522 of the dial indicator base 520 remote from the dial indicator 500.
The device for measuring the height difference of the end faces of the inner ring and the outer ring of the bearing in the specific embodiment further comprises a loading driving mechanism. The loading drive mechanism comprises a hand wheel mechanism mounting seat 211, a connecting block 214, a screw rod 216, a screw rod nut 215 and a hand wheel mechanism. The hand wheel mechanism includes a hand wheel shaft 212, a hand wheel 210, and a hand wheel handle 213.
The hand wheel mechanism mounting base 211 is fixed on the detection base 100, a threaded hole 211a is provided on the hand wheel mechanism mounting base 211, and the hand wheel shaft 212 is screwed through the threaded hole 211a.
The connection block 214 is fixed to the dynamometer base 230, and the lead screw nut 215 is mounted on the connection block 214 and is axially restrained on the connection block 214 by two lock nuts 218 and two bushings 217.
The screw rod 216 is meshed with the screw rod nut 215 and penetrates through the connecting block 214; one end of the screw rod 216 is fixedly connected with the end of the hand wheel shaft 212 far away from the hand wheel 210, the hand wheel 210 is arranged on the end key of the hand wheel shaft 212 far away from the screw rod 216, and the hand wheel handle 213 is arranged on the hand wheel 210. The hand wheel handle 213 can drive the hand wheel 210 to rotate, the hand wheel 210 can drive the screw rod 216 to rotate through the hand wheel shaft 212, and the screw rod 216 can drive the connecting block 214 to perform linear motion through the screw rod nut 215, so that the force measuring mechanism is driven to perform linear motion, and the loading mechanism 300 is further driven to perform linear motion to load.
The working process of the invention is as follows:
Step 1: the planar gauge head 570 is pressed back together with the extension bar 540, then the standard 130 is mounted in the first U-shaped groove 422 on the bearing mount 400 to be detected, then the bearing press block 410 to be detected is mounted on the bearing mount 400 to be detected through fasteners such as four fastening bolts 430, and the U-shaped pressing edge 421 and the edge of the second U-shaped groove 422 together press the standard 130. The extension bar 540 and the plane probe 570 are released, the plane probe 570 is abutted against the end face of the standard 130 facing the plane probe 570, and the dial indicator 500 is set at the "0" position, and the calibration of the dial indicator 500 is performed.
Step 2: the plane gauge head 570 is pressed back together with the extension bars 540, the four fastening bolts 430 are dismounted, the bearing pressing block 410 to be detected is dismounted, and the standard piece 130 is taken out. The bearing 600 to be detected is mounted in the first U-shaped groove 422 on the bearing mount 400 to be detected, and then the bearing block 410 to be detected is mounted on the bearing mount 400 to be detected through fasteners such as four fastening bolts 430, and the U-shaped pressing edge 421 and the edge of the second U-shaped groove 422 together compress the outer ring 610 of the bearing 600 to be detected. The extension bar 540 and the plane probe 570 are released, so that the plane probe 570 is abutted against the end face of the inner ring 620 of the bearing 600 to be detected facing the plane probe 570.
Step 3: the hand wheel handle 213 rotates the hand wheel 210 forward and backward, the rotating hand wheel 210 can drive the screw rod 216 to rotate through the hand wheel shaft 212, and the screw rod 216 can drive the connecting block 214 to perform linear motion through the screw rod nut 215, so as to drive the force measuring mechanism to perform linear motion, further drive the loading mechanism 300 to perform linear motion, and apply left or right rated load (load is displayed by the push-pull gauge 220) to the inner ring of the bearing 600 to be detected through the first loading head 360 and the second loading head 370. When the desired load is reached, rotation of the handwheel 210 is stopped. And after the data of the dial indicator 500 is stable, reading, wherein the value is the height difference between the end face of the inner ring 620 of the bearing 600 to be detected and the end face of the outer ring 610 of the bearing 600 to be detected after the required load is applied in the direction.
Step 4: if a plurality of bearings 600 to be detected need to be measured, the measurement of the product in step 2 to step 3 is repeated, and the calibration dial gauge 500 "0" is not required to be repeated.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (15)
1. The utility model provides a bearing inner and outer circle terminal surface difference in height measuring device which characterized in that includes:
A detection base;
The bearing mounting mechanism to be detected is fixed on the detection base;
A force measuring mechanism slidably mounted on the detection base;
the loading mechanism is slidably arranged on the detection base and is connected with the force measuring mechanism, and the loading mechanism is provided with a first loading head and a second loading head which are positioned on two sides of the axis direction of the bearing mounting seat to be detected;
the loading driving mechanism is connected with the force measuring mechanism and drives a first loading head and a second loading head in the loading mechanism through the force measuring mechanism to load a first end face and a second end face of an inner ring of a bearing to be detected, which are arranged on the bearing mounting mechanism to be detected, respectively;
The plane measuring head in the bearing inner and outer ring end face height difference measuring mechanism acts on the second end face of the inner ring of the bearing to be detected on the bearing mounting mechanism to be detected, so that the bearing inner and outer ring end face height difference can be measured under the loading condition.
2. The device for measuring the height difference between the end surfaces of the inner ring and the outer ring of the bearing according to claim 1, wherein a guide rail is arranged on the upper surface of the detection base, and the force measuring mechanism and the loading mechanism are slidably arranged on the guide rail through respective sliding blocks.
3. The device for measuring the height difference between the end surfaces of the inner ring and the outer ring of the bearing according to claim 2, wherein the bearing mounting mechanism to be detected comprises a bearing mounting seat to be detected and a bearing pressing block to be detected, the bearing mounting seat to be detected is fixed on the detection base, a bearing mounting position to be detected is arranged on the upper portion of the bearing mounting seat to be detected, after the bearing to be detected is mounted on the bearing mounting position to be detected, the bearing pressing block to be detected is mounted on the bearing mounting seat to be detected through a fastener, and the bearing pressing block to be detected and the bearing mounting seat to be detected are together to compress the outer ring of the bearing to be detected.
4. The device for measuring the height difference between the end surfaces of the inner ring and the outer ring of the bearing according to claim 3, wherein the bearing mounting position to be detected is a first U-shaped groove which is arranged on the bearing mounting seat to be detected and is provided with a U-shaped pressing edge, and the size of the first U-shaped groove is matched with the size of the outer ring of the bearing to be detected; and a second U-shaped groove is formed in the bearing pressing block to be detected, and when the bearing pressing block to be detected is detected, the outer ring of the bearing to be detected is placed in the first U-shaped groove, and the U-shaped pressing edge and the edge of the second U-shaped groove are used for jointly pressing the outer ring of the bearing to be detected.
5. The device for measuring the height difference of the end surfaces of the inner ring and the outer ring of the bearing according to claim 2, wherein the force measuring mechanism comprises a force measuring mechanism base and a push-pull force meter, the force measuring mechanism base is arranged on the guide rail through a sliding block, and the push-pull force meter is arranged on the force measuring mechanism base; the push-pull force measuring head of the push-pull force meter is connected with the loading mechanism through a connecting part and is used for measuring the loading force of the loading mechanism.
6. The device for measuring the height difference between the end surfaces of the inner ring and the outer ring of the bearing according to claim 5, wherein the force measuring mechanism further comprises a force measuring meter base and two force measuring meter base elevating blocks, and the force measuring meter base is arranged on the force measuring mechanism base through the two force measuring meter base elevating blocks; the push-pull gauge is mounted on the dynamometer base.
7. The apparatus of claim 6, wherein the load cell further comprises a load cell protective cover over the push-pull load cell and mounted to the load cell base.
8. The device for measuring the height difference between the end surfaces of the inner ring and the outer ring of the bearing according to claim 7, wherein the loading mechanism further comprises a first loading head mounting base, a second loading head mounting base and a connecting rod, the first loading head mounting base and the second loading head mounting base are respectively arranged at two sides of the axis direction of the bearing mounting mechanism to be detected, and the first loading head mounting base and the second loading head mounting base are further slidably arranged on the guide rail through respective sliding blocks; two ends of the connecting rod are respectively connected with the first loading head mounting base and the second loading head mounting base through fasteners; the first loading head and the second loading head are respectively arranged on the first loading head mounting base and the second loading head mounting base.
9. The device for measuring the height difference between the end surfaces of the inner ring and the outer ring of the bearing according to claim 8, wherein a hole is formed in the lower portion of the bearing mounting seat to be detected, and the connecting rod penetrates through the hole in the lower portion of the bearing mounting seat to be detected.
10. The device for measuring the height difference between the end surfaces of the inner ring and the outer ring of the bearing according to claim 9, wherein a step hole is formed in the middle of the first loading head mounting base, and the step hole consists of a coaxial large-diameter hole and a coaxial small-diameter hole; the connecting part in the force measuring mechanism comprises a connecting sleeve and a connecting bolt, wherein the connecting sleeve is provided with a step shaft outside and a step-shaped inner hole inside; the step shaft consists of a large-diameter shaft and a small-diameter shaft which are coaxial, and the small-diameter shaft is inserted into the small-diameter hole and is tightly matched with the small-diameter hole; the step-shaped inner hole consists of a small-diameter inner hole and a large-diameter inner hole which are coaxial, and a push-pull force measuring head of the push-pull force meter is inserted into the small-diameter inner hole of the connecting sleeve from the end, adjacent to the push-pull force meter, of the connecting sleeve and penetrates through the small-diameter inner hole to enter the large-diameter inner hole; a fixed head is fixed at the end of the push-pull force measuring head entering the large-diameter inner hole, and the outer diameter of the fixed head is larger than the diameter of the small-diameter inner hole but smaller than the diameter of the large-diameter inner hole; a clamp spring is arranged on the part of the push-pull force measuring head, which is positioned outside the connecting sleeve, and the clamp spring is matched with the fixed head to enable the push-pull force measuring head to be connected with the connecting sleeve; one end of the connecting bolt is screwed into the internal thread of the large-diameter inner hole from the side, adjacent to the bearing mounting seat to be detected, of the connecting sleeve, a gasket is sleeved on the connecting bolt, and the outer diameter of the gasket is larger than the large-diameter inner hole and smaller than the inner diameter of the large-diameter hole; the washer is matched with the large-diameter shaft to fix the connecting sleeve on the first loading head mounting base.
11. The device for measuring the height difference between the end surfaces of the inner ring and the outer ring of the bearing according to claim 10, wherein the second loading head is of a hollow structure and is provided with an inner hole, and the plane measuring head in the measuring mechanism for measuring the height difference between the end surfaces of the inner ring and the outer ring of the bearing passes through the inner hole of the second loading head to act on the second end surface of the inner ring of the bearing to be detected.
12. The bearing inner and outer race end face height difference measuring device according to claim 11, characterized in that a ring-shaped protrusion for axially limiting the second loading head is provided on the outer circumference of the second loading head, and the ring-shaped protrusion is in contact with the end face of the second loading head mounting base facing the bearing mounting base to be detected.
13. The device for measuring the height difference of the end surfaces of the inner ring and the outer ring of the bearing according to claim 12, wherein the mechanism for measuring the height difference of the end surfaces of the inner ring and the outer ring of the bearing further comprises a dial indicator base, a dial indicator locking sleeve, a dial indicator inserting hole seat, a measuring head lengthening rod sleeve and a lengthening rod, wherein the dial indicator base is fixed on the detection base, and an axial hole is formed in the upper part of the dial indicator base; the first end of the measuring head lengthening bar sleeve extends into the inner hole of the second loading head, and the second end of the measuring head lengthening bar sleeve is inserted into the axial hole on the dial indicator base in a sliding manner; the measuring head of the dial indicator is inserted into the inner hole of the measuring head extension bar sleeve from the second end of the measuring head extension bar sleeve through the dial indicator insertion hole seat, and the measuring head of the dial indicator is locked with the dial indicator insertion hole seat through the dial indicator locking sleeve; the lengthening bar is arranged in the inner hole of the lengthening bar sleeve of the measuring head in a sliding mode, the first end of the lengthening bar is connected with the plane measuring head in a force mode, and the second end of the lengthening bar is connected with the dial indicator inserting hole in a force mode.
14. A bearing inner and outer race end face height difference measuring apparatus according to claim 13 wherein said gauge head extension bar sleeve is provided with a flange portion for axial limiting, said flange portion contacting the side end face of said gauge base remote from said gauge.
15. The bearing inner and outer race end face height difference measurement device according to claim 13, characterized in that the loading drive mechanism comprises a hand wheel mechanism mounting seat, a connecting block, a screw rod nut and a hand wheel mechanism; the hand wheel mechanism comprises a hand wheel shaft, a hand wheel and a hand wheel handle; the hand wheel mechanism mounting seat is fixed on the detection base, a threaded hole is formed in the hand wheel mechanism mounting seat, and the hand wheel shaft is screwed through the threaded hole; the connecting block is fixed on the dynamometer base, the screw rod nut is mounted on the connecting block and is axially limited on the connecting block through two lock nuts and two bushings, and the screw rod is meshed with the screw rod nut and penetrates through the connecting block; one end of the screw rod is fixedly connected with the end, far away from the hand wheel, of the hand wheel shaft, the end, far away from the screw rod, of the hand wheel shaft is provided with the hand wheel, and the hand wheel handle is arranged on the hand wheel; the hand wheel can be driven to rotate through the hand wheel handle, the rotating hand wheel can drive the screw rod to rotate through the hand wheel shaft, the screw rod can drive the connecting block to conduct linear motion through the screw rod nut, and therefore the force measuring mechanism is driven to conduct linear motion, and the loading mechanism is further driven to conduct linear motion to load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811583728.6A CN109612369B (en) | 2018-12-24 | Bearing inner and outer ring end face height difference measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811583728.6A CN109612369B (en) | 2018-12-24 | Bearing inner and outer ring end face height difference measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109612369A CN109612369A (en) | 2019-04-12 |
| CN109612369B true CN109612369B (en) | 2024-07-02 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209371951U (en) * | 2018-12-24 | 2019-09-10 | 慈兴集团有限公司 | A kind of bearing internal external circle face height difference measuring device |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209371951U (en) * | 2018-12-24 | 2019-09-10 | 慈兴集团有限公司 | A kind of bearing internal external circle face height difference measuring device |
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