CN204964193U - Automatic experimental frock of bearing in gearbox - Google Patents
Automatic experimental frock of bearing in gearbox Download PDFInfo
- Publication number
- CN204964193U CN204964193U CN201520731686.1U CN201520731686U CN204964193U CN 204964193 U CN204964193 U CN 204964193U CN 201520731686 U CN201520731686 U CN 201520731686U CN 204964193 U CN204964193 U CN 204964193U
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- bearing
- end liner
- mandrel
- cavity portion
- liner cover
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Abstract
The utility model relates to an automatic experimental frock of bearing in gearbox, including dabber and suit in two end liner covers of spindle, the interstage bushing, the interstage bushing is located between the bush of both ends, the interstage bushing is for supplying radial loaded radial load point, the interstage bushing is through antifriction bearing activity suit at the spindle, the axial loading point of end liner cover for supplying axial loading, be equipped with bearing installation vestibule in the end liner cover, bearing installation vestibule includes first vestibule portion and second vestibule portion, the spindle is equipped with the second grade step shaft part that is located bearing mounting hole intracavity, second grade step shaft part is including stretching into the path axial region in the first vestibule portion, stretch into the big footpath axial region in the second vestibule portion and be located big footpath axial region and the shaft shoulder terminal surface of path axial region junction, first vestibule portion is formed by shaft shoulder terminal surface and the bottom cooperation of bearing installation vestibule. The utility model discloses realize two kind interior bearing synchronism test of automatic transmission and operating mode simulation, the bearing's of being convenient for performance detects and optimizes and improve.
Description
Technical field
The utility model relates to bearing test equipment technical field, is specifically related to needle bearing test tool in automatic gear-box.
Background technology
Automatic gear-box is a kind of speed change gear that automatically can carry out self shifter manipulation according to automobile speed and engine speed occurred relative to manual transmission.
Have two kinds of needle bearings in automatic gear-box, a kind of rotationally supported type needle bearing, is rolling bearing, belongs to rolling bearing; Another kind is push type needle bearing, has thrust function, belongs to
thrust bearing.Also Work condition analogue is not carried out to these two kinds of needle bearings in automatic gear-box in prior art, and carry out the equipment tested, be unfavorable for test and the improvement of needle bearing in automatic gear-box.
Summary of the invention
The present utility model object: for overcoming the defect that prior art exists, the utility model provides needle bearing test tool in a kind of automatic gear-box, realize two kinds of needle bearing simultaneous tests and Work condition analogue in automatic gear-box, the serviceable life being convenient to needle bearing in automatic gear-box is detected and Optimal improvements, and it is simple to have structure, advantage easy to use.
For achieving the above object, the utility model provides following technical scheme: needle bearing test tool in a kind of automatic gear-box, it is characterized in that: include mandrel, and the end liner cover be set on mandrel, interstage bushing, described mandrel is provided with two end liner covers, interstage bushing is between the lining of two ends, interstage bushing is the radial loaded point for radial loaded, interstage bushing through rolling bearing movable set on mandrel, described end liner cover is the axial load(ing) point for axially loading, bearing mounting hole chamber is provided with in described end liner cover, described bearing mounting hole chamber comprises the first cavity portion that arch thrust needle bearing embeds, and supply the second cavity portion of rotationally supported type needle bearing setting-in, described mandrel is provided with the two stage steps shaft part in the bearing mounting hole chamber being positioned at end liner cover, two stage steps shaft part comprises the little diameter section stretched in the first cavity portion, stretch into the large diameter section in the second cavity portion, and be positioned at the shaft shoulder end face of large diameter section and little diameter section junction, described first cavity portion is formed with coordinating bottom bearing mounting hole chamber by shaft shoulder end face.
Needle bearing test tool using method of the present utility model is: mandrel and interstage bushing have been carried out assembling through rolling bearing, afterwards two kinds of test bearings-rotationally supported type needle bearing, needle roller thrust bearing are loaded in the bearing mounting hole chamber of end liner cover, again the end liner cover with test bearing is arranged on the two stage steps shaft part of mandrel, thus completes the assembling of work frock; When mandrel rotating, and by applying radial load to interstage bushing, end liner cover applying axial load, the working condition of test bearing in automatic gear-box can be overlapped by real simulation two, complete needle bearing test in automatic gear-box.Realize two cover test bearings to be assemblied on mandrel simultaneously and to complete test, can overlap the working condition of test bearing in automatic gear-box by real simulation two, test is reliable; Under two end liners cover and an interstage bushing design, the running of mandrel is more reliable and stable, and to the loading of two cover test bearings more stable can, make to test more reliable and stable, in automatic gear-box, the Optimal improvements of needle bearing provides test basis.
The utility model is set to further: described end liner cover includes end liner cover main base frame and end liner upper shield, described second cavity portion is located on end liner cover main base frame, second cavity portion is positioned at the inner side of end liner cover main base frame, lining lid inlaid hole is provided with in the outside of end liner cover main base frame, described first cavity portion is located on the inner side end of end liner upper shield, end liner upper shield is flush-mounted in lining lid inlaid hole, and the first cavity portion is docked with the second cavity portion and formed described bearing mounting hole chamber.
By adopting technique scheme, end liner cover adopts two parts, during installation, can first be loaded by rotationally supported type needle bearing in end liner cover main base frame, and end liner is overlapped main base frame be installed in the large diameter section of mandrel, afterwards end liner upper shield, needle roller thrust bearing are being loaded; Become inverse operation during dismounting, facilitate the installation and removal of needle roller thrust bearing.
The utility model is set to further: described mandrel is many Step Shafts that the middle part diameter of axle is large, the two ends diameter of axle is little, there is in the middle part of mandrel the intermediate step shaft part that the both sides diameter of axle is little, medium axle diameter is large, intermediate step shaft part is described in two between two stage steps shaft part, intermediate step shaft part comprises the realizing middle limiting shaft shoulder, and axle journal is installed in both sides, the installation axle journal of both sides is all provided with dismounting cover, dismounting cover coordinates with the spacing shaft shoulder is spacing, install on axle journal two and be all provided with described rolling bearing, dismounting is sheathed on rolling bearing towards spacing shaft shoulder side.
By adopting technique scheme, installed by lining between intermediate step shaft assignment, interstage bushing running is reliable and stable, under dismounting after interstage bushing, is ejected by rolling bearing, rolling bearing convenient disassembly by dismounting cover.
The utility model is set to further: the axial one end of described mandrel has the power intake of traversing through end lining, the power intake of mandrel is provided with power input connector.
By adopting technique scheme, mandrel power input structure is simple, and power input is reliable and stable.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is needle bearing test tool axial view in the utility model specific embodiment automatic gear-box;
Fig. 2 is the cut-open view along the cutting of A-A cutting line in Fig. 1.
Embodiment
See accompanying drawing 1 and accompanying drawing 2, needle bearing test tool in a kind of automatic gear-box disclosed in the utility model, include mandrel 1, and the end liner cover 2 be set on mandrel 1, interstage bushing 3, described mandrel 1 is provided with two end liner covers 2, interstage bushing 3 is between two ends lining 2, interstage bushing 3 is the radial loaded point for radial loaded, interstage bushing 3 through rolling bearing 4 movable set on mandrel 1, described end liner cover 2 is the axial load(ing) point for axially loading, bearing mounting hole chamber 21 is provided with in described end liner cover 2, described bearing mounting hole chamber 21 comprises the first cavity portion 211 that arch thrust needle bearing 4 embeds, and supply the second cavity portion 212 of rotationally supported type needle bearing 5 setting-in, described mandrel 1 is provided with the two stage steps shaft part 11 in the bearing mounting hole chamber 21 being positioned at end liner cover 2, two stage steps shaft part 11 comprises the little diameter section 111 stretched in the first cavity portion 211, stretch into the large diameter section 112 in the second cavity portion 212, and be positioned at the shaft shoulder end face 113 of large diameter section 112 and little diameter section 111 junction, described first cavity portion 211 is formed with coordinating bottom bearing mounting hole chamber 21 by shaft shoulder end face 113.
Wherein, described mandrel 1 is that the middle part diameter of axle is large, many Step Shafts that the two ends diameter of axle is little, there is the both sides diameter of axle little in the middle part of mandrel 1, the intermediate step shaft part 12 that medium axle diameter is large, intermediate step shaft part 12 is described in two between two stage steps shaft part 11, intermediate step shaft part 12 comprises the realizing middle limiting shaft shoulder 121, and axle journal 122 is installed in both sides, the installation axle journal 122 of both sides is all provided with dismounting cover 6, dismounting cover 6 coordinates with the spacing shaft shoulder 121 is spacing, install on axle journal 121 two and described rolling bearing 4 is all installed, dismounting cover 6 is located at rolling bearing 4 towards the spacing shaft shoulder 121 side.Described axial one end of mandrel 1 has the power intake 13 of traversing through end lining 2, the power intake 13 of mandrel 1 is provided with power input connector 7.Power input connector 7 is square hole nut.
For ease of the dismounting of push type needle bearing, described end liner cover 2 includes end liner cover main base frame 22 and end liner upper shield 23, described second cavity portion 212 is located on end liner cover main base frame 22, second cavity portion 212 is positioned at the inner side of end liner cover main base frame 22, lining lid inlaid hole 221 is provided with in the outside of end liner cover main base frame 22, described first cavity portion 211 is located on the inner side end of end liner upper shield 23, end liner upper shield 23 is flush-mounted in lining lid inlaid hole 221, and the first cavity portion 211 is docked with the second cavity portion 212 and formed described bearing mounting hole chamber 21.Like this, end liner cover adopts two parts, during installation, can first rotationally supported type needle bearing be loaded in end liner cover main base frame, and end liner is overlapped main base frame and be installed in the large diameter section of mandrel, end liner upper shield, needle roller thrust bearing is being loaded afterwards; Become inverse operation during dismounting, facilitate the installation and removal of needle roller thrust bearing.
Needle bearing test tool using method of the present utility model is: interstage bushing is assemblied on the intermediate step axle of mandrel through rolling bearing, afterwards two kinds of test bearings-rotationally supported type needle bearing, needle roller thrust bearing are loaded in the bearing mounting hole chamber of end liner cover, again the end liner cover with test bearing is arranged on the two stage steps shaft part of mandrel, thus completes the assembling of work frock; When mandrel rotating, and by applying radial load to interstage bushing, end liner cover applying axial load, the working condition of test bearing in automatic gear-box can be overlapped by real simulation two, complete needle bearing test in automatic gear-box.
Realize two cover test bearings to be assemblied on mandrel simultaneously and to complete test, can overlap the working condition of test bearing in automatic gear-box by real simulation two, test is reliable; Under two end liner covers and an interstage bushing design, realize two group two to overlap test bearing and complete test, the running of mandrel is more reliable and stable, and to two cover test bearings loading more stable can, make test more reliable and stable, in automatic gear-box, the Optimal improvements of needle bearing provides test basis.
Claims (4)
1. needle bearing test tool in an automatic gear-box, it is characterized in that: include mandrel, and the end liner cover be set on mandrel, interstage bushing, described mandrel is provided with two end liner covers, interstage bushing is between the lining of two ends, interstage bushing is the radial loaded point for radial loaded, interstage bushing through rolling bearing movable set on mandrel, described end liner cover is the axial load(ing) point for axially loading, bearing mounting hole chamber is provided with in described end liner cover, described bearing mounting hole chamber comprises the first cavity portion that arch thrust needle bearing embeds, and supply the second cavity portion of rotationally supported type needle bearing setting-in, described mandrel is provided with the two stage steps shaft part in the bearing mounting hole chamber being positioned at end liner cover, two stage steps shaft part comprises the little diameter section stretched in the first cavity portion, stretch into the large diameter section in the second cavity portion, and be positioned at the shaft shoulder end face of large diameter section and little diameter section junction, described first cavity portion is formed with coordinating bottom bearing mounting hole chamber by shaft shoulder end face.
2. needle bearing test tool in automatic gear-box according to claim 1, it is characterized in that: described end liner cover includes end liner cover main base frame and end liner upper shield, described second cavity portion is located on end liner cover main base frame, second cavity portion is positioned at the inner side of end liner cover main base frame, lining lid inlaid hole is provided with in the outside of end liner cover main base frame, described first cavity portion is located on the inner side end of end liner upper shield, end liner upper shield is flush-mounted in lining lid inlaid hole, and the first cavity portion is docked with the second cavity portion and formed described bearing mounting hole chamber.
3. needle bearing test tool in automatic gear-box according to claim 1 or 2, it is characterized in that: described mandrel is that the middle part diameter of axle is large, many Step Shafts that the two ends diameter of axle is little, there is the both sides diameter of axle little in the middle part of mandrel, the intermediate step shaft part that medium axle diameter is large, intermediate step shaft part is described in two between two stage steps shaft part, intermediate step shaft part comprises the realizing middle limiting shaft shoulder, and axle journal is installed in both sides, the installation axle journal of both sides is all provided with dismounting cover, dismounting cover coordinates with the spacing shaft shoulder is spacing, install on axle journal two and described rolling bearing is all installed, dismounting is sheathed on rolling bearing towards spacing shaft shoulder side.
4. needle bearing test tool in automatic gear-box according to claim 1 or 2, is characterized in that: the axial one end of described mandrel has the power intake of traversing through end lining, the power intake of mandrel is provided with power input connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520731686.1U CN204964193U (en) | 2015-09-21 | 2015-09-21 | Automatic experimental frock of bearing in gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520731686.1U CN204964193U (en) | 2015-09-21 | 2015-09-21 | Automatic experimental frock of bearing in gearbox |
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| Publication Number | Publication Date |
|---|---|
| CN204964193U true CN204964193U (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520731686.1U Active CN204964193U (en) | 2015-09-21 | 2015-09-21 | Automatic experimental frock of bearing in gearbox |
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| Country | Link |
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| CN (1) | CN204964193U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855871A (en) * | 2019-01-03 | 2019-06-07 | 洛阳轴承研究所有限公司 | A kind of needle bearing testing equipment |
| CN110702407A (en) * | 2019-09-25 | 2020-01-17 | 人本集团有限公司 | Combined load test tool for bearing and bearing |
-
2015
- 2015-09-21 CN CN201520731686.1U patent/CN204964193U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855871A (en) * | 2019-01-03 | 2019-06-07 | 洛阳轴承研究所有限公司 | A kind of needle bearing testing equipment |
| CN110702407A (en) * | 2019-09-25 | 2020-01-17 | 人本集团有限公司 | Combined load test tool for bearing and bearing |
| CN110702407B (en) * | 2019-09-25 | 2021-08-10 | 人本股份有限公司 | Combined load test tool for bearing and bearing |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |