CN108592760B - Bearing radial play measuring instrument convenient to operate - Google Patents
Bearing radial play measuring instrument convenient to operate Download PDFInfo
- Publication number
- CN108592760B CN108592760B CN201810919279.1A CN201810919279A CN108592760B CN 108592760 B CN108592760 B CN 108592760B CN 201810919279 A CN201810919279 A CN 201810919279A CN 108592760 B CN108592760 B CN 108592760B
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- frame body
- bearing
- clamping
- plate
- threaded column
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- 238000005259 measurement Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
- G01B5/146—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures measuring play on bearings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a bearing radial play measuring instrument convenient to operate, which comprises a frame body, a dial indicator, a first sliding groove, a first rotating shaft, gears, clamping plates, springs, rack plates, connecting rods, arc plates, anti-slip protrusions, a second sliding groove, sliding blocks, threaded columns, connecting blocks, connecting plates, a second rotating shaft, clamping blocks, nuts, bearings and rivets. The invention has reasonable structure, novel design, simple operation and convenient installation, and the threaded column is connected with the bottom end of the frame body in a threaded way by rotating the threaded column, one end of the threaded column penetrates through the frame body so as to drive the two connecting plates to rotate through the second rotating shaft, the bottom ends of the two clamping blocks rotate through the rivet, the threaded column continuously penetrates through the center of the frame body, and then the included angle between the two clamping blocks is enlarged, so that the two clamping blocks are clamped with the inner ring of the bearing, the inner ring of the bearing is fixed, and the subsequent measurement is convenient.
Description
Technical Field
The invention relates to a radial play measuring instrument, in particular to a bearing radial play measuring instrument convenient to operate, and belongs to the technical field of bearing radial distance measurement application.
Background
The bearing play is a gap between the bearing rolling element and the bearing inner and outer ring cases, and is a movement amount when one of the inner and outer rings is fixed when the bearing is not mounted on the shaft or the bearing housing and then the other is moved radially or axially, and is divided into radial play and axial play according to a movement direction, and the size of the play (referred to as working play) during operation affects the rolling fatigue life, temperature rise, noise, vibration, and other performances of the bearing.
At present, the radial clearance of a rolling bearing is one of important quality indexes of the bearing, the vibration, the service life, the host computer precision and the like of the bearing are affected to a certain extent, the radial clearance measuring instrument belongs to a high-precision automatic loading multifunctional measuring instrument, the reliability and the stability of a measured value completely meet the measuring requirement of the industry on the radial clearance index of the bearing, the existing radial clearance measuring device cannot fix the inner ring and the outer ring of the bearing well, and the magnitude of the manual hand-push measuring load and the measuring accuracy are greatly affected by an operator. Therefore, a bearing radial play measuring instrument convenient to operate is proposed for the above problems.
Disclosure of Invention
The invention aims to solve the problems and provide a bearing radial play measuring instrument which is convenient to operate.
The invention realizes the aim through the following technical scheme, and the bearing radial play measuring instrument convenient to operate comprises a frame body, a dial indicator, a bearing, a clamping device and a supporting device inside the frame body;
a dial indicator is arranged at the top of the frame body, and a bearing is arranged in the center of the inside of the frame body;
the clamping device comprises a first chute, a first rotating shaft, gears, clamping plates, springs, rack plates, connecting rods, arc plates, anti-skidding bulges, a second chute and sliding blocks, wherein one end of each spring is fixedly connected to two sides of one end of the top of the frame body, the other end of each spring is fixedly connected with one end of each clamping plate, the first chute is formed in the top of the frame body, the rack plates are slidably connected in the first chute, one ends of the rack plates are meshed with the connecting gears, the gears are rotationally connected with the top of the frame body through the first rotating shaft, the bottom ends of the rack plates are fixedly connected with one ends of the connecting rods, the other ends of the connecting rods are fixedly connected with one ends of the arc plates, one end side wall of each arc plate is fixedly connected with a plurality of anti-skidding bulges, the other ends of the arc plates are fixedly connected with one end of each sliding block, and the sliding blocks are slidably connected inside the second chute;
the supporting device comprises a threaded column, a connecting block, a connecting plate, a second rotating shaft, a clamping block, a nut and a rivet, wherein the central thread of the frame body is connected with the threaded column, the top end of the threaded column is connected with the connecting block in a threaded manner, the side walls of the two ends of the connecting block are fixedly connected with one end of the connecting plate, the other end of the connecting plate is connected with one end of the clamping block in a rotating manner through the second rotating shaft, the bottom end of the clamping block is connected with one side of the frame body in a rotating manner through the rivet, and one end of the threaded column is connected with the nut in a threaded manner.
Preferably, the number of the first rotating shafts is two, and the two first rotating shafts are symmetrically distributed on two sides of the top of the frame body.
Preferably, one end of the clamping plate is clamped with the gap of the gear.
Preferably, a groove is formed in one end of the clamping block, and two sides of the inner ring of the bearing are connected in the groove in a clamping mode.
Preferably, one end of the connecting rod is slidably connected in the first chute.
Preferably, the nut and the connecting block are respectively positioned at two sides of the frame body.
The beneficial effects of the invention are as follows:
1. the device is rational in infrastructure, novel in design, easy operation, simple to operate, through rotating the screw thread post, make the bottom threaded connection of screw thread post and framework, thereby the framework is passed to the one end of screw thread post drives two connecting plates and rotates through the second pivot, and the rivet is passed through to the bottom of two fixture blocks, and the screw thread post continues to pass the center of framework, makes the contained angle grow between two fixture blocks then to with the inner circle chucking of two fixture blocks and bearing, it is fixed with the inner circle of bearing.
2. Through promoting the cardboard, make the gap of cardboard and gear break away from, rotate two gears at framework top, make the gear drive two rack boards that the meshing is connected and slide in first spout, the rack board passes through the connecting rod and drives the arc and be close to the center of framework, the other end of arc passes through the slider and slides in the second spout, thereby make two arcs be close to the outer lane lateral wall of bearing, continue to rotate the gear, the protection protrusion of messenger's arc is tight with the outer lane subsides of bearing, then loosen the cardboard, the cardboard is under the elasticity effect of spring with the gap block of gear, then fix the outer lane of gear, avoid artifical hand push, radial play radial measurement to the bearing through the amesdial, convenient measurement, make the bearing more stable, be convenient for improve measuring accuracy.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the positions of the threaded post, the connecting block, the second shaft, the fixture block and the nut according to the present invention.
In the figure: 1. the device comprises a frame body, 2, a dial indicator, 3, a first sliding groove, 4, a first rotating shaft, 5, a gear, 6, a clamping plate, 7, a spring, 8, a rack plate, 9, a connecting rod, 10, an arc-shaped plate, 11, a non-slip protrusion, 12, a second sliding groove, 13, a sliding block, 14, a threaded column, 15, a connecting block, 16, a connecting plate, 17, a second rotating shaft, 18, a clamping block, 19, a nut, 20, a bearing, 21 and a rivet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, a bearing radial play measuring instrument convenient to operate comprises a frame 1, a dial indicator 2, a bearing 20, and a clamping device and a supporting device inside the frame 1;
a dial indicator 2 is arranged at the top of the frame body 1, and a bearing 20 is arranged in the center of the inside of the frame body 1;
the clamping device comprises a first sliding groove 3, a first rotating shaft 4, a gear 5, a clamping plate 6, a spring 7, a rack plate 8, a connecting rod 9, an arc plate 10, a non-slip protrusion 11, a second sliding groove 12 and a sliding block 13, wherein two sides of one end of the top of the frame body 1 are fixedly connected with one end of the spring 7, the other end of the spring 7 is fixedly connected with one end of the clamping plate 6, the first sliding groove 3 is formed in the top of the frame body 1, the rack plate 8 is connected with the rack plate 8 in a sliding manner, the gear 5 is connected with the top of the frame body 1 in a rotating manner through the first rotating shaft 4, the bottom end of the rack plate 8 is fixedly connected with one end of the connecting rod 9, the other end of the connecting rod 9 is fixedly connected with one end of the arc plate 10, one end side wall of the arc plate 10 is fixedly connected with a plurality of the non-slip protrusion 11, the other end of the arc plate 10 is fixedly connected with one end of the sliding block 13, and the sliding block 13 is connected with the inside the second sliding groove 12, so that the outer ring of the bearing 20 is convenient to adjust and fix, and measurement is convenient, and the measurement is improved;
the supporting device comprises a threaded column 14, a connecting block 15, a connecting plate 16, a second rotating shaft 17, a clamping block 18, a nut 19 and a rivet 21, wherein the threaded column 14 is connected with the center of the frame body 1 through threads, the top end of the threaded column 14 is connected with the connecting block 15 through threads, two end side walls of the connecting block 15 are fixedly connected with one end of the connecting plate 16, the other end of the connecting plate 16 is connected with one end of the clamping block 18 through the rotation of the second rotating shaft 17, the bottom end of the clamping block 18 is connected with one side of the frame body 1 through the rotation of the rivet 21, one end of the threaded column 14 is connected with the nut 19 through threads, the inner ring of the bearing 20 is conveniently fixed, and the measurement is convenient.
The number of the first rotating shafts 4 is two, the two first rotating shafts 4 are symmetrically distributed on two sides of the top of the frame body 1, the structure is more reasonable, and the fixing of the bearing 20 is facilitated; one end of the clamping plate 6 is clamped with the gap of the gear 5. The rotation of the gear 5 is conveniently limited; one end of the clamping block 18 is provided with a groove, and the groove is internally clamped and connected with two sides of the inner ring of the bearing 20, so that the position of the bearing 20 is conveniently limited and fixed; one end of the connecting rod 9 is slidably connected in the first chute 3, so that the structure is more reasonable and the connection is convenient; the nut 19 and the connecting block 15 are respectively positioned at two sides of the frame body 1, so that the position of the threaded column 14 is conveniently limited.
When the bearing 20 is used, firstly, the inner ring of the bearing 20 is sleeved between the two clamping blocks 18, the inner ring of the bearing 20 is clamped with grooves of the two clamping blocks 18, then the threaded column 14 is rotated, the threaded column 14 is connected with the bottom end of the frame 1 in a threaded manner, one end of the threaded column 14 penetrates through the frame 1 so as to drive the two connecting plates 16 to rotate through the second rotating shaft 17, the bottom ends of the two clamping blocks 18 rotate through rivets 21, the threaded column 14 continuously penetrates through the center of the frame 1, then the included angle between the two clamping blocks 18 is enlarged, so that the two clamping blocks 18 are clamped with the inner ring of the bearing 20, the bearing 20 is fixed, then the clamping plate 6 is pushed, the gap between the clamping plate 6 and the gear 5 is separated, the two gears 5 at the top of the frame 1 are rotated, so that the gear 5 drives the two rack plates 8 in meshed connection to slide in the first sliding groove 3, the rack plates 8 drive the arc plates 10 to approach the center of the frame 1 through the connecting rods 9, the other ends of the arc plates 10 slide in the second sliding grooves 12 through the sliding blocks 13, so that the two arc plates 10 approach the side walls of the bearing 20, the gear 5 continuously rotate, the included angle between the two clamping plates 18 and the two clamping plates become larger, then the clamping plates 10 are further rotated, the clamping plate 5 and the bearing 5 are tightly pressed against the bearing 5 by the bearing 5, the gap is further, the gap between the clamping plate and the bearing 5 is more conveniently measured, and the radial elasticity of the clamping plate 20 is more tightly is fixed, and the clamping the gap between the clamping plate and the bearing 5 is further fixed, and the outer ring is more convenient, and the clearance is measured, and the clearance between the clamping and the clamping plate is then and the clearance is measured.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. The utility model provides a bearing radial play measuring apparatu of convenient operation which characterized in that: comprises a frame body (1), a dial indicator (2), a bearing (20), a clamping device and a supporting device inside the frame body (1);
a dial indicator (2) is arranged at the top of the frame body (1), and a bearing (20) is arranged in the center of the inside of the frame body (1);
the clamping device comprises a first sliding groove (3), a first rotating shaft (4), a gear (5), a clamping plate (6), a spring (7), a rack plate (8), a connecting rod (9), an arc plate (10), anti-slip protrusions (11), a second sliding groove (12) and a sliding block (13), wherein one end of the spring (7) is fixedly connected to two sides of one end of the top of the frame body (1), one end of the clamping plate (6) is fixedly connected to the other end of the spring (7), the first sliding groove (3) is formed in the top of the frame body (1), the rack plate (8) is connected with the rack plate (8) in a sliding mode, the gear (5) is connected with the top of the frame body (1) in a rotating mode through the first rotating shaft (4), one end of the connecting rod (9) is fixedly connected with one end of the arc plate (10), one end side wall of the other end of the connecting rod (9) is fixedly connected with a plurality of anti-slip protrusions (11), and one end of the other end of the connecting rod (10) is fixedly connected with the second arc plate (13) in the sliding mode, and the second end of the arc plate (13) is connected with the sliding plate (12);
the supporting device comprises a threaded column (14), a connecting block (15), a connecting plate (16), a second rotating shaft (17), a clamping block (18), a nut (19) and a rivet (21), wherein the center of the frame body (1) is connected with the threaded column (14) in a threaded manner, the top end of the threaded column (14) is connected with the connecting block (15) in a threaded manner, the side walls of the two ends of the connecting block (15) are fixedly connected with one end of the connecting plate (16), the other end of the connecting plate (16) is rotationally connected with one end of the clamping block (18) through the second rotating shaft (17), the bottom end of the clamping block (18) is rotationally connected with one side of the frame body (1) through the rivet (21), and one end of the threaded column (14) is in threaded connection with the nut (19);
the number of the first rotating shafts (4) is two, and the two first rotating shafts (4) are symmetrically distributed on two sides of the top of the frame body (1);
one end of the clamping plate (6) is clamped with the gap of the gear (5).
2. An easy to operate bearing radial play meter as set forth in claim 1, wherein: one end of the clamping block (18) is provided with a groove, and two sides of the inner ring of the bearing (20) are connected in the groove in a clamping mode.
3. An easy to operate bearing radial play meter as set forth in claim 1, wherein: one end of the connecting rod (9) is connected in the first chute (3) in a sliding way.
4. An easy to operate bearing radial play meter as set forth in claim 1, wherein: the nut (19) and the connecting block (15) are respectively positioned at two sides of the frame body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810919279.1A CN108592760B (en) | 2018-08-14 | 2018-08-14 | Bearing radial play measuring instrument convenient to operate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810919279.1A CN108592760B (en) | 2018-08-14 | 2018-08-14 | Bearing radial play measuring instrument convenient to operate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108592760A CN108592760A (en) | 2018-09-28 |
| CN108592760B true CN108592760B (en) | 2023-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810919279.1A Active CN108592760B (en) | 2018-08-14 | 2018-08-14 | Bearing radial play measuring instrument convenient to operate |
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| CN112747657B (en) * | 2021-02-05 | 2022-08-23 | 山东袁氏精密轴承制造有限公司 | Bearing clearance detection system and detection method thereof |
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| CN114877788B (en) * | 2022-06-10 | 2023-08-29 | 中国航天标准化研究所 | Device and method for detecting radial gap of space bearing |
| CN118019953A (en) * | 2022-08-24 | 2024-05-10 | 嘉兴倍创网络科技有限公司 | Bearing radial clearance detection mechanism |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050064834A (en) * | 2003-12-24 | 2005-06-29 | 두산인프라코어 주식회사 | Bearing clearance measuring device |
| CN102840813A (en) * | 2012-08-31 | 2012-12-26 | 中电电机股份有限公司 | Bearing clearance measuring device and method thereof |
| CN103234429A (en) * | 2013-04-19 | 2013-08-07 | 上海海洋大学 | Radial play measuring instrument for horizontal bearing |
| WO2014199483A1 (en) * | 2013-06-13 | 2014-12-18 | 三菱電機株式会社 | End play measurement device |
| CN106643427A (en) * | 2016-12-31 | 2017-05-10 | 广州市昊志机电股份有限公司 | Bearing play measuring instrument and measuring method thereof |
| CN107421423A (en) * | 2017-09-20 | 2017-12-01 | 浙江辛子精工机械股份有限公司 | Biserial conical bearing method for measuring axial clearance |
| CN207014045U (en) * | 2017-07-29 | 2018-02-16 | 青岛拓普斯智能科技有限公司 | A kind of clamping tool for machine work of bearing (ball) cover |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208505204U (en) * | 2018-08-14 | 2019-02-15 | 洛阳市通航电子设备有限公司 | A kind of bearing end-play measuring instrument facilitating operation |
-
2018
- 2018-08-14 CN CN201810919279.1A patent/CN108592760B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050064834A (en) * | 2003-12-24 | 2005-06-29 | 두산인프라코어 주식회사 | Bearing clearance measuring device |
| CN102840813A (en) * | 2012-08-31 | 2012-12-26 | 中电电机股份有限公司 | Bearing clearance measuring device and method thereof |
| CN103234429A (en) * | 2013-04-19 | 2013-08-07 | 上海海洋大学 | Radial play measuring instrument for horizontal bearing |
| WO2014199483A1 (en) * | 2013-06-13 | 2014-12-18 | 三菱電機株式会社 | End play measurement device |
| CN106643427A (en) * | 2016-12-31 | 2017-05-10 | 广州市昊志机电股份有限公司 | Bearing play measuring instrument and measuring method thereof |
| CN207014045U (en) * | 2017-07-29 | 2018-02-16 | 青岛拓普斯智能科技有限公司 | A kind of clamping tool for machine work of bearing (ball) cover |
| CN107421423A (en) * | 2017-09-20 | 2017-12-01 | 浙江辛子精工机械股份有限公司 | Biserial conical bearing method for measuring axial clearance |
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| CN108592760A (en) | 2018-09-28 |
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Effective date of registration: 20231122 Address after: 315300 West Industrial Development Zone, Shengshan Town, Cixi City, Ningbo City, Zhejiang Province Applicant after: CIXI BEARINGS INDUSTRY Co.,Ltd. Address before: 471000 Jiabi Square Garden, No.61 Jiudu Road, Xigong District, Luoyang City, Henan Province Applicant before: LUOYANG TONGHANG ELECTRONIC EQUIPMENT Co.,Ltd. |
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