CN217953368U - Bearing error detection device - Google Patents
Bearing error detection device Download PDFInfo
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- CN217953368U CN217953368U CN202221801677.1U CN202221801677U CN217953368U CN 217953368 U CN217953368 U CN 217953368U CN 202221801677 U CN202221801677 U CN 202221801677U CN 217953368 U CN217953368 U CN 217953368U
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- raceway
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Abstract
The utility model provides a bearing error detection device, belonging to the technical field of bearing measuring equipment, comprising a cross rod, a first abutting part and a second abutting part; a crossbar adapted to span an upper surface of the bearing inner race or the bearing outer race, the crossbar having a degree of freedom adapted to rotate about an axis of the bearing inner race or the bearing outer race; the first abutting part is detachably arranged at one end of the cross rod and is suitable for abutting against the bearing raceway; the second abutting part is detachably arranged at the other end of the cross bar, and has a degree of freedom suitable for sliding along the length direction of the cross bar; a dial indicator is detachably arranged on the second abutting part, and the measuring end of the dial indicator is suitable for abutting against the bearing raceway; this application carries out the butt through the measurement terminal pair relative two positions of first butt portion and amesdial to the raceway, then just can make the amesdial measure convenient operation to the circularity of raceway through rotating the horizontal pole.
Description
Technical Field
The utility model belongs to the technical field of bearing measuring equipment, concretely relates to bearing error detection device.
Background
In the production process of the excavator, a bearing is usually arranged on a rotary part of the excavator, so that the friction of the rotary part of the excavator can be reduced, and the rotary part can conveniently rotate; thus, the mass of the bearing is related to the mass of the excavator rotating member after assembly. In the prior art, when detecting the raceway of the bearing, a clamp is generally used for clamping the bearing, and then the distance between the two ends of the clamp is measured by a measuring scale, so that the bearing raceway is measured. However, the above process needs to be carried out by clamping first and then measuring, the operation is complicated, and the error is large.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a bearing error detection device aims at solving the great technical problem of traditional measurement mode complex operation and error.
In order to achieve the above object, the utility model adopts the following technical scheme:
provided is a bearing error detection device including:
a crossbar adapted to span an upper surface of the bearing inner race or the bearing outer race, the crossbar having a degree of freedom adapted to rotate about an axis of the bearing inner race or the bearing outer race;
the first abutting part is detachably arranged at one end of the cross rod and is suitable for abutting against the bearing roller path; and
a second abutting portion which is detachable at the other end of the crossbar and has a degree of freedom adapted to slide in the longitudinal direction of the crossbar; a dial indicator is detachably arranged on the second abutting part, and the measuring end of the dial indicator is suitable for abutting against the bearing raceway;
the distance between the first abutting part and the measuring end of the dial indicator is a preset diameter of the raceway; and when the cross rod rotates around the axis of the bearing inner ring or the bearing outer ring, the dial indicator measures the difference value between the preset diameter of the raceway of the bearing inner ring or the bearing outer ring and the preset diameter of the raceway in real time.
In a possible implementation manner, the first abutting portion and the second abutting portion are provided with adjusting holes suitable for the cross rod to penetrate through; the upper surfaces of the first abutting part and the second abutting part are respectively provided with a fixing hole communicated with the adjusting hole;
the bearing error detection device also comprises locking pieces arranged on the first abutting part and the second abutting part, wherein one locking piece is suitable for penetrating through a fixing hole on the first abutting part and is connected with the cross rod; the other locking piece is suitable for penetrating through the fixing hole in the second abutting portion and connected with the cross rod.
In a possible implementation manner, the upper surface of the cross rod is uniformly provided with a plurality of connecting holes along the length direction of the cross rod, and the fixing hole is suitable for being aligned with one of the connecting holes.
In a possible implementation manner, the first abutting part and the second abutting part are respectively provided with an adjusting hole suitable for a cross rod to penetrate through;
the upper surface of the cross rod is provided with a groove, and a screw rod with an axis parallel to the length direction of the cross rod is rotationally arranged in the groove; sliding blocks are fixedly arranged in the adjusting holes of the first abutting part and the second abutting part, and threaded holes suitable for being in threaded fit with the screw rods are formed in the sliding blocks;
the threaded rod is provided with two sections of threads with opposite turning directions, and the threaded holes of the sliding block on the first abutting part and the sliding block on the second abutting part are opposite in turning direction and are matched with the corresponding turning part threads on the threaded rod.
In a possible implementation manner, two ends of the groove are provided with openings, a connecting plate is arranged at the openings, and the connecting plate is connected with the cross rod through a bolt; the connecting plate is provided with a through hole with the diameter smaller than that of the screw rod;
a limiting shaft suitable for penetrating the connecting plate is fixedly arranged at the end part of the screw rod; the limiting shaft is matched with the connecting plate to limit the axial direction of the screw rod.
In one possible implementation manner, the bearing error detection apparatus further includes:
the image acquisition structure is fixedly arranged on the second abutting part and is suitable for being connected with a computer;
the image acquisition structure is suitable for acquiring dial plate pointer information of the dial indicator and transmitting the dial plate pointer information to the computer.
In a possible implementation manner, scales are uniformly arranged on the cross rod along the length direction of the cross rod, and pointers suitable for pointing to the scales are arranged on the first abutting portion and the second abutting portion.
In a possible implementation manner, two ends of the upper surface of the cross rod are provided with rotating rods, one ends of the rotating rods are fixed on the cross rod, and the other ends of the rotating rods extend upwards.
In the embodiment of the application, when the raceway of the bearing inner ring or the raceway of the bearing outer ring is detected, the first abutting part and the measuring end of the dial indicator are respectively abutted to two circumferentially opposite positions of the bearing raceway; then rotate the horizontal pole around the axial of bearing, can make the measuring end of first butt portion and amesdial along the circumference motion of bearing raceway, can show the difference between the diameter of bearing raceway and the raceway preset diameter in real time through numerical value on the amesdial dial plate, consequently be convenient for detect the circularity of raceway.
The utility model provides a pair of bearing error detection device compares with prior art, and this application carries out the butt through two positions that the measuring terminal pair raceway is relative of first butt portion and amesdial, then just can make the amesdial measure convenient operation to the circularity of raceway through rotating the horizontal pole.
Drawings
Fig. 1 is a schematic view of a bearing error detection apparatus provided in an embodiment of the present invention;
fig. 2 is a schematic view of a cross bar portion of a bearing error detection apparatus according to an embodiment of the present invention;
fig. 3 is a schematic view of a screw portion of a bearing error detection apparatus provided in an embodiment of the present invention;
fig. 4 is a schematic view of a usage status of the bearing error detection apparatus provided by the embodiment of the present invention.
Description of the reference numerals: 1. a cross bar; 11. connecting holes; 12. a groove; 13. an opening; 14. a connecting plate; 2. a first abutting portion; 21. spherical surface; 22. an adjustment hole; 23. a locking member; 24. a slider; 3. a second abutting portion; 4. a raceway; 5. a dial indicator; 6. a screw; 61. and a limiting shaft.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to fig. 4, a bearing error detection device according to the present invention will now be described. The bearing error detection device comprises a cross rod 1, a first abutting part 2 and a second abutting part 3; the cross bar 1 is suitable for spanning the upper surface of the bearing inner ring or the bearing outer ring, and the cross bar 1 has a degree of freedom suitable for rotating around the axis of the bearing inner ring or the bearing outer ring; the first abutting part 2 is detachably arranged at one end of the cross rod 1, and the first abutting part 2 is suitable for abutting against the bearing raceway 4; the second abutting part 3 can be detached from the other end of the cross bar 1, and the second abutting part 3 has a degree of freedom suitable for sliding along the length direction of the cross bar 1; a dial indicator 5 is detachably arranged on the second abutting part 3, and the measuring end of the dial indicator 5 is suitable for abutting against the bearing raceway 4; the distance between the first abutting part 2 and the measuring end of the dial indicator 5 is the preset diameter of the raceway 4; when the cross rod 1 rotates around the axis of the bearing inner ring or the bearing outer ring, the dial indicator 5 measures the difference value between the preset diameter of the raceway 4 of the bearing inner ring or the bearing outer ring and the preset diameter of the raceway 4 in real time.
In the embodiment of the application, when the raceway 4 of the bearing inner ring or the raceway 4 of the bearing outer ring is detected, the measuring ends of the first abutting part 2 and the dial indicator 5 are respectively abutted against two circumferentially opposite positions of the bearing raceway 4; then rotate horizontal pole 1 around the axial of bearing, can make first butt portion 2 and dial indicator 5's measuring end along the circumferential motion of bearing raceway 4, can show the difference between the diameter of bearing raceway 4 and the raceway 4 diameter of predetermineeing in real time through the numerical value on the dial plate of dial indicator 5, consequently be convenient for detect the circularity of raceway 4.
The utility model provides a pair of bearing error detection device compares with prior art, and this application carries out the butt through two positions that the measuring terminal pair raceway 4 of first butt portion 2 and amesdial 5 is relative, then just can make amesdial 5 measure convenient operation to raceway 4's circularity through rotating horizontal pole 1.
The first abutting portion 2 has a spherical surface 21 that contacts the inner wall surface of the raceway 4, and a part of the spherical surface 21 contacts the raceway 4 and the other part is located outside the raceway 4; with the above arrangement, the first abutting portion 2 can be brought into contact with the raceway 4 more favorably, and the vertical sliding of the first abutting portion 2 can be reduced. In addition, the measuring end of the dial indicator 5 is also provided with a spherical surface 21 which is contacted with the inner wall surface of the raceway 4, one part of the spherical surface 21 is contacted with the raceway 4, and the other part is positioned outside the raceway 4; through the arrangement, the measuring end of the dial indicator 5 can be better abutted against the roller path 4, and the sliding of the measuring end along the vertical direction is reduced.
It should be understood that, when detecting the raceway 4 of the inner race, since the raceway 4 is located on the outer wall surface of the inner race, the spherical surface 21 on the first abutting portion 2 and the spherical surface 21 on the dial indicator 5 are in a state of being disposed opposite to each other, so that the spherical surface 21 on the first abutting portion 2 and the spherical surface 21 on the dial indicator 5 abut against the raceway 4 on the outer wall surface of the inner race, respectively. When detecting the raceway 4 of the bearing outer ring, because the raceway 4 is located the inner wall surface of the bearing outer ring, the spherical surface 21 on the first abutting part 2 and the spherical surface 21 on the dial indicator 5 are in a state of deviating from each other, which is convenient for detecting the raceway 4 on the bearing outer ring by the first abutting part 2 and the dial indicator 5.
In some embodiments, as shown in fig. 1 to 4, the first abutting portion 2 and the second abutting portion 3 are provided with adjusting holes 22 adapted to the cross bar 1 to pass through; the upper surfaces of the first abutting part 2 and the second abutting part 3 are provided with fixing holes communicated with the adjusting holes 22; the bearing error detection device also comprises locking pieces 23 arranged on the first abutting part 2 and the second abutting part 3, wherein one locking piece 23 is suitable for penetrating through a fixing hole on the first abutting part 2 and is connected with the cross rod 1; the other locking piece 23 is adapted to penetrate through a fixing hole on the second abutting part 3 and is connected with the cross bar 1. The locking piece 23 comprises a butting bolt, internal threads are arranged on fixing holes of the first butting part 2 and the second butting part 3, and the butting bolt is connected with the internal threads on the fixing holes.
After the first abutting portion 2 and the second abutting portion 3 are adjusted to the corresponding positions, the tightening bolt can be tightened against the upper surface of the crossbar 1 by rotating the tightening bolt, and the first abutting portion 2 and the second abutting portion 3 can be fixed to the crossbar 1. The roundness of the bearing raceway 4 can be detected by rotating the crossbar 1.
In some embodiments, as shown in fig. 1 to 4, the upper surface of the cross bar 1 is uniformly provided with a plurality of connecting holes 11 along the length direction thereof, and the fixing hole is adapted to be aligned with one of the connecting holes 11. Through set up connecting hole 11 on horizontal pole 1, can make when rotating to support tight bolt and connecting hole 11 grafting, and then be convenient for fix the position of supporting tight bolt to fix first butt portion 2 and second butt portion 3 on horizontal pole 1.
In some embodiments, as shown in fig. 1 to 4, the first abutting portion 2 and the second abutting portion 3 are each provided with an adjusting hole 22 suitable for the cross bar 1 to pass through; the upper surface of the cross rod 1 is provided with a groove 12, and a screw 6 with an axis parallel to the length direction of the cross rod 1 is rotationally arranged in the groove 12; the adjusting holes 22 of the first abutting part 2 and the second abutting part 3 are both fixedly provided with a slide block 24, and the slide block 24 is provided with a threaded hole suitable for being in threaded fit with the screw 6; the screw 6 is provided with two sections of threads with opposite turning directions, and the threaded holes of the slide block 24 on the first abutting part and the slide block 24 on the second abutting part 3 are opposite in turning directions and are matched with the corresponding turning-direction partial threads on the screw 6. The first abutting portions 2 can be moved toward or away from each other by rotating the screw 6, and therefore the distance between the first abutting portions 2 and the second abutting portions 3 can be adjusted, which facilitates detection of the bearing raceways 4 having different diameters.
In some embodiments, as shown in fig. 1 to 4, the two ends of the groove 12 are provided with openings 13, the openings 13 are provided with connecting plates 14, and the connecting plates 14 are connected with the cross bar 1 through bolts; the connecting plate 14 is provided with a through hole with the diameter smaller than that of the screw 6; a limiting shaft 61 suitable for penetrating the connecting plate 14 is fixedly arranged at the end part of the screw 6; wherein, the spacing axle 61 can carry out spacing to the axial of screw rod 6 with the cooperation of connecting plate 14. Because connecting plate 14 passes through bolted connection with horizontal pole 1, when needs adjust first butt portion 2 and amesdial 5 and set up or set up apart from each other relatively, can make the both ends and the horizontal pole 1 separation of screw rod 6. The first abutment 2, the second abutment 3 and the threaded rod 6 can then be detached from the crossbar 1 by sliding the first abutment 2 and the second abutment 3. After the relative positional relationship between the first abutting portion 2 and the dial indicator 5 is adjusted, the first abutting portion 2, the second abutting portion 3, and the screw 6 are mounted on the crossbar 1. Through the arrangement, the first abutting part 2 and the dial indicator 5 can conveniently detect the raceway 4 of the inner ring or the outer ring of the bearing.
In some embodiments, as shown in fig. 1 to 4, the bearing error detection device further comprises an image acquisition structure, the image acquisition structure is fixedly arranged on the second abutting portion 3, and the image acquisition structure is suitable for being connected with a computer; the image acquisition structure is suitable for acquiring dial pointer information of the dial indicator 5 and transmitting the dial pointer information to the computer. The image acquisition structure comprises a camera, the camera is fixed on the second abutting part 3 and is connected with the computer through a data line; image transmission between the camera and the computer is prior art and will not be described herein. The lens of the camera faces the dial of the dial gauge 5. In the process of rotating the cross rod 1, the camera can photograph the dial of the dial indicator 5 and can also record video of the dial indicator 5; the camera transmits image information to the computer through a data line, so that an operator can conveniently judge whether the bearing roller path 4 is qualified.
In some embodiments, as shown in fig. 1 to 4, the cross bar 1 is uniformly provided with scales along the length direction thereof, and the first abutting portion 2 and the second abutting portion 3 are both provided with pointers adapted to point to the scales. With the above arrangement, the distance between the first abutting portion 2 and the second abutting portion 3 can be adjusted more accurately.
In some embodiments, as shown in fig. 1 to 4, the two ends of the upper surface of the cross bar 1 are provided with rotating rods (not shown), one end of each rotating rod is fixed on the cross bar 1, and the other end of each rotating rod extends upwards. The rotating rod on the cross rod 1 is convenient for an operator to rotate the cross rod 1, and further the cross rod 1 rotates along the circumferential direction of the bearing, so that the bearing roller path 4 is convenient to detect.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A bearing error detection device, comprising:
a crossbar adapted to span an upper surface of the bearing inner race or the bearing outer race, the crossbar having a degree of freedom adapted to rotate about an axis of the bearing inner race or the bearing outer race;
the first abutting part is detachably arranged at one end of the cross rod and is suitable for abutting against the bearing raceway; and
a second abutting portion which is detachable at the other end of the crossbar and has a degree of freedom adapted to slide in the longitudinal direction of the crossbar; a dial indicator is detachably arranged on the second abutting part, and the measuring end of the dial indicator is suitable for abutting against the bearing raceway;
the distance between the first abutting part and the measuring end of the dial indicator is a preset diameter of the raceway; and when the cross rod rotates around the axis of the bearing inner ring or the bearing outer ring, the dial indicator measures the difference value between the preset diameter of the raceway of the bearing inner ring or the bearing outer ring and the preset diameter of the raceway in real time.
2. The bearing error detecting device according to claim 1, wherein each of the first abutting portion and the second abutting portion has an adjusting hole adapted to be penetrated by a cross bar; the upper surfaces of the first abutting part and the second abutting part are respectively provided with a fixing hole communicated with the adjusting hole;
the bearing error detection device also comprises locking pieces arranged on the first abutting part and the second abutting part, wherein one locking piece is suitable for penetrating through a fixing hole on the first abutting part and is connected with the cross rod; the other locking piece is suitable for penetrating through the fixing hole in the second abutting part and is connected with the cross rod.
3. The bearing error detecting apparatus of claim 2, wherein the upper surface of the cross bar is uniformly provided with a plurality of attachment holes along the length thereof, the attachment hole being adapted to align with one of the attachment holes.
4. The bearing error detecting device according to claim 1, wherein each of the first abutting portion and the second abutting portion has an adjusting hole adapted to be penetrated by a cross bar;
the upper surface of the cross rod is provided with a groove, and a screw rod with an axis parallel to the length direction of the cross rod is rotationally arranged in the groove; sliding blocks are fixedly arranged in the adjusting holes of the first abutting part and the second abutting part, and threaded holes suitable for being in threaded fit with the screw rods are formed in the sliding blocks;
the threaded rod is provided with two sections of threads with opposite turning directions, and the threaded holes of the sliding block on the first abutting part and the sliding block on the second abutting part are opposite in turning direction and are matched with the corresponding turning part threads on the threaded rod.
5. The bearing error detecting device of claim 4, wherein the two ends of the groove are open, a connecting plate is arranged at the opening, and the connecting plate is connected with the cross bar through a bolt; the connecting plate is provided with a through hole with the diameter smaller than that of the screw rod;
a limiting shaft suitable for penetrating the connecting plate is fixedly arranged at the end part of the screw rod; the limiting shaft is matched with the connecting plate to limit the axial direction of the screw rod.
6. The bearing error detecting apparatus according to claim 1, further comprising:
the image acquisition structure is fixedly arranged on the second abutting part and is suitable for being connected with a computer;
the image acquisition structure is suitable for acquiring dial plate pointer information of the dial indicator and transmitting the dial plate pointer information to the computer.
7. The bearing error detecting device according to any one of claims 1 to 5, wherein the cross bar is provided with scales uniformly along a length direction thereof, and the first abutting portion and the second abutting portion are each provided with a pointer adapted to point to the scales.
8. The bearing error detecting device according to any one of claims 1 to 5, wherein a rotating rod is provided at each of both ends of an upper surface of the cross bar, one end of the rotating rod is fixed to the cross bar, and the other end of the rotating rod extends upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221801677.1U CN217953368U (en) | 2022-07-12 | 2022-07-12 | Bearing error detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221801677.1U CN217953368U (en) | 2022-07-12 | 2022-07-12 | Bearing error detection device |
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| Publication Number | Publication Date |
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| CN217953368U true CN217953368U (en) | 2022-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221801677.1U Active CN217953368U (en) | 2022-07-12 | 2022-07-12 | Bearing error detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115683593A (en) * | 2023-01-04 | 2023-02-03 | 沧州鑫利达五金制造有限责任公司 | Jump ring performance detection device and method |
| CN117387468A (en) * | 2023-12-11 | 2024-01-12 | 四川东轴科技有限公司 | Bearing diameter measuring device and method |
-
2022
- 2022-07-12 CN CN202221801677.1U patent/CN217953368U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115683593A (en) * | 2023-01-04 | 2023-02-03 | 沧州鑫利达五金制造有限责任公司 | Jump ring performance detection device and method |
| CN115683593B (en) * | 2023-01-04 | 2023-04-07 | 沧州鑫利达五金制造有限责任公司 | Jump ring performance detection device and method |
| CN117387468A (en) * | 2023-12-11 | 2024-01-12 | 四川东轴科技有限公司 | Bearing diameter measuring device and method |
| CN117387468B (en) * | 2023-12-11 | 2024-03-08 | 四川东轴科技有限公司 | Bearing diameter measuring device and method |
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