CN104589230A - Thin-wall gear ring self-centering tensioning installation fixture - Google Patents
Thin-wall gear ring self-centering tensioning installation fixture Download PDFInfo
- Publication number
- CN104589230A CN104589230A CN201410668518.2A CN201410668518A CN104589230A CN 104589230 A CN104589230 A CN 104589230A CN 201410668518 A CN201410668518 A CN 201410668518A CN 104589230 A CN104589230 A CN 104589230A
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- Prior art keywords
- thin
- gear ring
- mandrel
- compression plate
- hole
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
Abstract
The invention provides a thin-wall gear ring self-centering tensioning installation fixture. The thin-wall gear ring self-centering tensioning installation fixture comprises a spindle basic disc, a compression disc, a compression nut, a spring and a plurality of tensioning steel balls. The compression nut compresses the compression disc, the compression disc compresses the tensioning steel balls arranged in radial through holes in an annular wall, therefore, the purpose of tightening a thin-wall gear ring from inside to outside is achieved, and radial location of the gear ring is completed. In the process of clamping, the tensioning steel balls evenly distributed on the spindle basic disc are simultaneously stressed, the thin-wall gear ring can receive outward tensioning force evenly, and therefore deformation of the thin-wall gear ring is effectively restrained; meanwhile, the centering performance of the thin-wall gear ring on measurement equipment is guaranteed. The thin-wall gear ring self-centering tensioning installation fixture effectively reduces deformation of the thin-wall gear ring in the process of clamping, eliminates the steps of concentric centering on the measurement equipment after clamping is completed, and improves clamping efficiency and detection accuracy.
Description
Technical field
The invention belongs to field of precision measurement, be specifically related to a kind of thin-walled gear ring self-centering tensioner sectional fixture.
Background technology
Along with the development of machinery manufacturing industry, the required precision of transmission system is more and more higher, and gear is as the important component part of transmission system, its machining accuracy has a great impact transmission system, the actual testing result of Gear Processing precision is often as the important evidence improving Gearmaking Technology, and therefore the actual accuracy of detection of gear requires also more and more higher.
At present, in the testing process of thin-walled gear ring, the most frequently used installation way uses multi-jaw chuck to carry out clamping, but due to the particularity of its structure, thin-walled gear ring easily produces distortion in clamping process, and clamping also needs after completing to carry out on measurement device with one heart and the centering of horizontal direction on multi-jaw chuck, measurement clamping process is loaded down with trivial details, efficiency is low, and the distortion of gear ring can cause metrical error to increase, and then affects the crudy of thin-walled gear ring.
Summary of the invention
The object of the present invention is to provide a kind of thin-walled gear ring self-centering tensioner sectional fixture.
For achieving the above object, present invention employs following technical scheme:
This fixture comprises mandrel basal disc, compression plate, clamping nut, spring and tensioner steel ball, described mandrel basal disc comprises basal disc body and is arranged at the mandrel of basal disc body center, mandrel comprises mandrel thread shaft part and the accurate shaft part of mandrel, basal disc body is provided with annular wall, the inner side of annular wall and horizontal direction form an included angle A, annular wall is evenly distributed with multiple radial direction through hole, tensioner steel ball is arranged in radial direction through hole, the outer wall of described compression plate is horizontal by an included angle B, included angle A and included angle B are the obtuse angle that the number of degrees are equal, compression plate center offers connecting through hole, compression plate is connected by the accurate shaft part of connecting through hole and mandrel, the lower end of described spring contacts with basal disc body, the upper end of spring contacts with compression plate, the inner side moving downward the outer wall of compression plate in process and annular wall at compression plate near and by tensioner steel ball, radially through hole is extrapolated, described clamping nut is connected with mandrel thread shaft part, the top, lower end of clamping nut is pressed on compression plate.
Described fixture also comprises sealed bead bearing, and sealed bead bearing is arranged in connecting through hole, and the accurate shaft part of mandrel is connected with sealed bead bearing.
Described fixture also comprises and is arranged at upper barrier cover on compression plate upper and lower end and lower door respectively, and upper and lower door is annular, and the inner ring of annular is arranged on the corresponding end opening of connecting through hole.
Described fixture also comprises the ring washer be arranged on basal disc body, and the inner ring of ring washer is positioned at the outside of annular wall.
Described ring washer adopts elastomeric material, and the outside opening portions of radial direction through hole blocks by the inner ring of ring washer.
Described fixture also comprises for pushing up the trim ring of pressing tested gear ring vertically, and trim ring is fixed on compression plate.
Described fixture also comprises the puller bolt be arranged on clamping nut, and puller bolt radially pushes up and is pressed on mandrel.
The side opening of described clamping nut is provided with the screwed hole for installing puller bolt.
The upper/lower terminal of described mandrel is respectively arranged with center hole.
The ring shaped slot for retainer spring that it is the center of circle that the lower end of described compression plate offers with compression plate center, ring shaped slot is arranged at the outside of connecting through hole.
Beneficial effect of the present invention is embodied in:
The present invention is by clamping nut top pressure compression plate, compression plate top is pressed on the tensioner steel ball in the radial direction through hole in annular wall, reach the object from inside to outside holding out against thin-walled gear ring, complete the radial location of gear ring, because the equally distributed multiple tensioner steel balls on mandrel basal disc are simultaneously stressed in clamping process, thin-walled gear ring is made to be subject to the power of uniform outwards tensioner, effectively inhibit the distortion of thin-walled gear ring, ensure that the centering of thin-walled gear ring on measurement device simultaneously, the present invention effectively reduces the distortion of thin-walled gear ring in clamping process, avoid clamping complete after concentric centering step on measurement device, improve the accuracy of clamping efficiency and detection.
Further, the present invention reaches the object of axial location thin-walled gear ring by being placed in ring washer on mandrel basal disc and the trim ring be placed on compression plate, being pushed up equably by trim ring is pressed on thin-walled gear ring; have again flexible ring washer below thin-walled gear ring; therefore can realize the automatic capturing of thin-walled gear ring horizontal direction; avoid clamping complete after the centering step of horizontal direction on measurement device, improve the accuracy of clamping efficiency and detection.
Accompanying drawing explanation
Fig. 1 is one of structural representation of the present invention;
Fig. 2 is structural representation two of the present invention;
Fig. 3 is the structural representation of mandrel basal disc;
Fig. 4 is the structural representation of compression plate; Wherein, (a) is sectional view, and (b) is stereogram;
Fig. 5 is the structural representation of clamping nut;
In figure: 1 be mandrel basal disc, 2 clamping nuts, 3 be compression plate, 4 be trim ring, 5 be tested thin-walled gear ring, 6 be tensioner steel ball, 7 be upper barrier cover, 8 be spring, 9 be sealed bead bearing, 10 be puller bolt, 11 be lower door, 12 be ring washer, 13 be mandrel thread shaft part, 14 be the accurate shaft part, 15 of mandrel be set bolt, 16 be ring shaped slot, 17 be connecting through hole, 18 be radial direction through hole, 19 be screwed hole, 20 are annular wall.
Detailed description of the invention
Below in conjunction with drawings and Examples, invention is elaborated.
See Fig. 1 ~ Fig. 5, thin-walled gear ring self-centering tensioner sectional fixture of the present invention comprises mandrel basal disc 1, compression plate 3, clamping nut 2, spring 8 and tensioner steel ball 6, described mandrel basal disc 1 comprises basal disc body and is arranged at the mandrel of basal disc body center, mandrel comprises mandrel thread shaft part 13 and the accurate shaft part 14 of mandrel, basal disc body is provided with annular wall, the inner side of annular wall and horizontal direction form an included angle A, annular wall is evenly distributed with multiple radial direction through hole 18, tensioner steel ball 6 is arranged in radial direction through hole 18, the outer wall of described compression plate 3 is horizontal by an included angle B, included angle A and included angle B are the obtuse angle (namely the outer wall of compression plate and the inner side of annular wall are the taper surface that shape is corresponding) that the number of degrees are equal, compression plate center offers connecting through hole 17, compression plate 3 is connected by the accurate shaft part 14 of connecting through hole and mandrel, the ring shaped slot 16 for retainer spring that it is the center of circle that the lower end of described compression plate 3 offers with compression plate center, ring shaped slot is arranged at the outside of connecting through hole 17, the lower end of described spring 8 contacts with basal disc body, the upper end of spring 8 contacts with bottom the ring shaped slot of compression plate, the inner side moving downward the outer wall of compression plate 3 in process and annular wall at compression plate 3 near and by tensioner steel ball 6, radially through hole 18 is extrapolated, described clamping nut 2 is connected with mandrel thread shaft part 13, the top, lower end of clamping nut 2 is pressed on compression plate 3.
Described fixture also comprises sealed bead bearing 9, and sealed bead bearing 9 is arranged in connecting through hole 17, and the accurate shaft part 14 of mandrel is connected with sealed bead bearing 9; Described fixture also comprises and is arranged at upper barrier cover 7 on compression plate 3 upper and lower end and lower door 11 respectively, and upper and lower door is annular, and the inner ring of annular is arranged on the corresponding end opening of connecting through hole 17.The effect of upper and lower door is to prevent sealed bead bearing from deviating from connecting through hole, also plays the effect preventing foreign matter from entering mandrel and sealed bead bearing binding site.Upper and lower door does not contact with mandrel.
Described fixture also comprises the ring washer 12 be arranged on basal disc body, and the inner ring of ring washer is positioned at the outside of annular wall; Described ring washer 12 adopts elastomeric material, and the outside opening portions of radial direction through hole 18 blocks by the inner ring of ring washer 12; Described fixture also comprises for pushing up the trim ring 4 of pressing tested gear ring vertically, and trim ring 4 is fixed on compression plate 3.
Described fixture also comprises the puller bolt 10 be arranged on clamping nut 2, and puller bolt radially pushes up and is pressed on mandrel; The side opening of described clamping nut 2 is provided with the screwed hole 19 for installing puller bolt.
The upper/lower terminal of described mandrel is respectively arranged with center hole, for coordinating with lower tail spindle system with the upper tail spindle system of measurement device, realizes the mechanical connection of fixture and measurement device.
Operation principle of the present invention is as follows:
Before the tested thin-walled gear ring 5 of clamping, first trim ring 4 is taken, then tested thin-walled gear ring is put on ring washer 12, now tested thin-walled gear ring radial direction and axially do not located, load onto trim ring 4, the distance between the basal disc body then changing compression plate 3 and mandrel basal disc 1 by rotatably compressing nut 2.Tighten clamping nut 2, distance between the basal disc body of compression plate 3 and mandrel basal disc 1 reduces, ring washer is pressed in tested thin-walled gear ring process on trim ring top and is extruded distortion, thickness reduces, no longer block the outer outlets of radial direction through hole 18, compression plate 3 extrude tensioner steel ball 6 radially through hole expand outwardly the tested thin-walled gear ring of tensioner; After tested thin-walled gear ring radial location completes, tighten puller bolt 10, prevent clamping nut 2 from unclamping, then connecting trim ring 4 and the set bolt 15 of compression plate 3 by tightening, realizing the axial location of tested thin-walled gear ring.
In measuring process, in the upper tail spindle system related for fixture tested thin-walled gear ring being clamped in measurement device and lower tail spindle system, can carry out thin-wall gear measurement.
After measurement terminates, unclamp clamping nut 2, the distance under the effect of spring 8 between compression plate 3 and the basal disc body of mandrel basal disc 1 increases, and tensioner steel ball 6 gets loose rollback, unclamps tested thin-walled gear ring, and ring washer restores to the original state.
Embodiment
A kind of thin-walled gear ring self-centering tensioner sectional fixture, see Fig. 1, comprise mandrel basal disc 1, compression plate 3, trim ring 4, clamping nut 2, sealed bead bearing 9, upper barrier cover 7, lower door 11, tensioner steel ball 6, ring washer 12, puller bolt 10, spring 8, described compression plate 3 is arranged on mandrel basal disc 1 by spring 8, sealed bead bearing 9 is arranged between the accurate shaft part 14 of mandrel on mandrel basal disc 1 and compression plate 3, upper barrier cover 7, lower door 11 is placed on compression plate 3, trim ring 4 is arranged on compression plate 3 and top is pressed on tested thin-walled gear ring, clamping nut 2 to be connected with the mandrel thread shaft part 13 on mandrel basal disc 1 by screw thread and to be pressed on compression plate 3, ring washer 12 is arranged on mandrel basal disc 1, for supporting tested thin-walled gear ring, puller bolt 10 is arranged on clamping nut 2 and top and is pressed on the mandrel of mandrel basal disc 1.
Described mandrel basal disc 1 comprises arbor portions and basal disc part, and wherein arbor portions is positioned at the center of basal disc part.The arbor portions of described mandrel basal disc comprises the accurate shaft part 14 of mandrel and mandrel thread shaft part 13, and the two ends up and down of arbor portions are respectively arranged with center hole.The basal disc part of described mandrel basal disc 1 has the wall 20 of a ring shape, inner side and the horizontal direction shape of wall have angle, and wall is uniformly distributed multiple radial direction through hole, tensioner steel ball 6 is placed in the radial direction through hole on wall.
A through hole is had in the middle of described compression plate 3, compression plate 3 outer wall is horizontal by an angle, its become the inner side equal with the obtuse angle number of degrees that horizontal direction is formed (being α) of the obtuse angle number of degrees and mandrel basal disc 1 upper wall, the ring shaped slot that compression plate 3 lower end has one to be the center of circle with compression plate center, for the location of spring 8.
Described clamping nut 2 is matched by screw thread with the mandrel thread shaft part 13 of mandrel basal disc 1, and two, clamping nut 2 side screwed hole is for installing puller bolt 10, and top, clamping nut 2 lower end is pressed on compression plate 3.
Described ring washer 12 is elastomeric material, is arranged on mandrel basal disc 1, for supporting tested thin-walled gear ring 5, and prevents tensioner steel ball 6 from departing from mandrel basal disc.
Described trim ring 4 is arranged on compression plate 3, and is pressed on tested thin-walled gear ring, prevents thin-walled gear ring in tensioner process from axially collecting together, plays the effect of fixing thin-walled gear ring.
Claims (10)
1. a thin-walled gear ring self-centering tensioner sectional fixture, it is characterized in that: this fixture comprises mandrel basal disc (1), compression plate (3), clamping nut (2), spring (8) and tensioner steel ball (6), described mandrel basal disc (1) comprises basal disc body and is arranged at the mandrel of basal disc body center, mandrel comprises mandrel thread shaft part (13) and the accurate shaft part (14) of mandrel, basal disc body is provided with annular wall, the inner side of annular wall and horizontal direction form an included angle A, annular wall is evenly distributed with multiple radial direction through hole (18), tensioner steel ball (6) is arranged in radial direction through hole (18), the outer wall of described compression plate (3) is horizontal by an included angle B, included angle A and included angle B are the obtuse angle that the number of degrees are equal, compression plate center offers connecting through hole (17), compression plate (3) is connected by the accurate shaft part (14) of connecting through hole and mandrel, the lower end of described spring (8) contacts with basal disc body, the upper end of spring (8) contacts with compression plate (3), the inner side moving downward the outer wall of compression plate in process and annular wall at compression plate (3) near and by tensioner steel ball (6), radially through hole (18) is extrapolated, described clamping nut (2) is connected with mandrel thread shaft part (13), the top, lower end of clamping nut (2) is pressed on compression plate (3).
2. a kind of thin-walled gear ring self-centering tensioner sectional fixture according to claim 1, it is characterized in that: described fixture also comprises sealed bead bearing (9), sealed bead bearing is arranged in connecting through hole (17), and the accurate shaft part (14) of mandrel is connected with sealed bead bearing (9).
3. a kind of thin-walled gear ring self-centering tensioner sectional fixture according to claim 1, it is characterized in that: described fixture also comprises and is arranged at upper barrier cover (7) on compression plate (3) upper and lower end and lower door (11) respectively, upper and lower door is annular, and the inner ring of annular is arranged on the corresponding end opening of connecting through hole (17).
4. a kind of thin-walled gear ring self-centering tensioner sectional fixture according to claim 1, it is characterized in that: described fixture also comprises the ring washer (12) be arranged on basal disc body, the inner ring of ring washer (12) is positioned at the outside of annular wall.
5. a kind of thin-walled gear ring self-centering tensioner sectional fixture according to claim 4, is characterized in that: described ring washer (12) adopts elastomeric material, and the outside opening portions of radial direction through hole (18) blocks by the inner ring of ring washer.
6. a kind of thin-walled gear ring self-centering tensioner sectional fixture according to claim 1, it is characterized in that: described fixture also comprises for pushing up the trim ring (4) of pressing tested gear ring vertically, and trim ring (4) is fixed on compression plate (3).
7. a kind of thin-walled gear ring self-centering tensioner sectional fixture according to claim 1, is characterized in that: described fixture also comprises the puller bolt (10) be arranged on clamping nut (2), and puller bolt radially pushes up and is pressed on mandrel.
8. a kind of thin-walled gear ring self-centering tensioner sectional fixture according to claim 7, is characterized in that: the side opening of described clamping nut (2) is provided with the screwed hole (19) for installing puller bolt.
9. a kind of thin-walled gear ring self-centering tensioner sectional fixture according to claim 1, is characterized in that: the upper/lower terminal of described mandrel is respectively arranged with center hole.
10. a kind of thin-walled gear ring self-centering tensioner sectional fixture according to claim 1, it is characterized in that: the ring shaped slot for retainer spring (16) that it is the center of circle that the lower end of described compression plate (3) offers with compression plate center, ring shaped slot is arranged at the outside of connecting through hole (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410668518.2A CN104589230B (en) | 2014-11-20 | 2014-11-20 | Thin-wall gear ring self-centering tensioning installation fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410668518.2A CN104589230B (en) | 2014-11-20 | 2014-11-20 | Thin-wall gear ring self-centering tensioning installation fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104589230A true CN104589230A (en) | 2015-05-06 |
| CN104589230B CN104589230B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410668518.2A Expired - Fee Related CN104589230B (en) | 2014-11-20 | 2014-11-20 | Thin-wall gear ring self-centering tensioning installation fixture |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106863160A (en) * | 2016-12-27 | 2017-06-20 | 华南理工大学 | A kind of flexible thin-wall bearing special fixture |
| CN108393545A (en) * | 2018-04-19 | 2018-08-14 | 山推工程机械股份有限公司 | The self-centering tooling of bull gear gear hobbing process |
| CN108544281A (en) * | 2018-07-05 | 2018-09-18 | 允博（天津）电机科技发展有限公司 | Adjustable inner core tension mechanism |
| CN108857969A (en) * | 2018-06-08 | 2018-11-23 | 平湖市永成齿轮配件厂 | Fixture is used in a kind of maintenance of gear testing |
| CN110125846A (en) * | 2019-06-20 | 2019-08-16 | 河北工业大学 | A kind of bearing race outer diameter detection special fixture |
| CN110411306A (en) * | 2019-07-10 | 2019-11-05 | 重庆蓝黛动力传动机械股份有限公司 | A kind of tooth chamfering cubing of gear ring |
| CN110480537A (en) * | 2019-08-05 | 2019-11-22 | 盐城瑞升齿轮有限公司 | A kind of clamping accessory of gearbox gear production and processing |
| CN112405034A (en) * | 2020-09-15 | 2021-02-26 | 大连理工大学 | Clamping force controllable centering method and tool |
| CN113695240A (en) * | 2021-08-17 | 2021-11-26 | 池州市九华明坤铝业有限公司 | Porous part batch detection equipment based on image detection |
| CN114018477A (en) * | 2021-10-26 | 2022-02-08 | 大连理工大学 | Dynamic balance detection tool for thin-wall herringbone gear inner gear ring of planetary reducer |
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| JPH10138046A (en) * | 1996-11-01 | 1998-05-26 | Honda Motor Co Ltd | Work support mechanism for gear finishing work device |
| CN101664831A (en) * | 2009-09-17 | 2010-03-10 | 曾光荣·巴拿巴 | Gear hole self-centering rolling ball clamp |
| CN202336639U (en) * | 2011-12-19 | 2012-07-18 | 浙江浦江齿轮有限公司 | Self-centering gear hobbing clamp |
| CN203765107U (en) * | 2014-03-25 | 2014-08-13 | 上海彭浦机器厂有限公司 | Gear hole self-centering ball fixture |
-
2014
- 2014-11-20 CN CN201410668518.2A patent/CN104589230B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10138046A (en) * | 1996-11-01 | 1998-05-26 | Honda Motor Co Ltd | Work support mechanism for gear finishing work device |
| CN101664831A (en) * | 2009-09-17 | 2010-03-10 | 曾光荣·巴拿巴 | Gear hole self-centering rolling ball clamp |
| CN202336639U (en) * | 2011-12-19 | 2012-07-18 | 浙江浦江齿轮有限公司 | Self-centering gear hobbing clamp |
| CN203765107U (en) * | 2014-03-25 | 2014-08-13 | 上海彭浦机器厂有限公司 | Gear hole self-centering ball fixture |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106863160A (en) * | 2016-12-27 | 2017-06-20 | 华南理工大学 | A kind of flexible thin-wall bearing special fixture |
| CN106863160B (en) * | 2016-12-27 | 2018-06-22 | 华南理工大学 | A kind of flexibility thin-wall bearing special fixture |
| CN108393545A (en) * | 2018-04-19 | 2018-08-14 | 山推工程机械股份有限公司 | The self-centering tooling of bull gear gear hobbing process |
| CN108857969A (en) * | 2018-06-08 | 2018-11-23 | 平湖市永成齿轮配件厂 | Fixture is used in a kind of maintenance of gear testing |
| CN108544281A (en) * | 2018-07-05 | 2018-09-18 | 允博（天津）电机科技发展有限公司 | Adjustable inner core tension mechanism |
| CN110125846A (en) * | 2019-06-20 | 2019-08-16 | 河北工业大学 | A kind of bearing race outer diameter detection special fixture |
| CN110411306A (en) * | 2019-07-10 | 2019-11-05 | 重庆蓝黛动力传动机械股份有限公司 | A kind of tooth chamfering cubing of gear ring |
| CN110411306B (en) * | 2019-07-10 | 2021-03-16 | 蓝黛科技集团股份有限公司 | Utensil is examined to tooth chamfer of ring gear |
| CN110480537A (en) * | 2019-08-05 | 2019-11-22 | 盐城瑞升齿轮有限公司 | A kind of clamping accessory of gearbox gear production and processing |
| CN112405034A (en) * | 2020-09-15 | 2021-02-26 | 大连理工大学 | Clamping force controllable centering method and tool |
| CN113695240A (en) * | 2021-08-17 | 2021-11-26 | 池州市九华明坤铝业有限公司 | Porous part batch detection equipment based on image detection |
| CN114018477A (en) * | 2021-10-26 | 2022-02-08 | 大连理工大学 | Dynamic balance detection tool for thin-wall herringbone gear inner gear ring of planetary reducer |
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|---|---|
| CN104589230B (en) | 2017-01-11 |
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Granted publication date: 20170111 Termination date: 20191120 |