CN113092109B - Planetary wheel bearing test tool - Google Patents
Planetary wheel bearing test tool Download PDFInfo
- Publication number
- CN113092109B CN113092109B CN202110295752.5A CN202110295752A CN113092109B CN 113092109 B CN113092109 B CN 113092109B CN 202110295752 A CN202110295752 A CN 202110295752A CN 113092109 B CN113092109 B CN 113092109B
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- Prior art keywords
- wheel bearing
- hole
- connecting block
- rotating shaft
- test
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- 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
- G01M13/04—Bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H2057/085—Bearings for orbital gears
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a planetary wheel bearing test tool which comprises a loading part, a rotating shaft, a supporting part and a plurality of test shafts, wherein the loading part comprises a first circular through hole, a tooth part meshed with a planetary wheel bearing is arranged on the peripheral wall of the first through hole, the rotating shaft and the test shafts are arranged in the first through hole, the test shafts are uniformly distributed around the rotating shaft, the rotating shaft can drive the test shafts to be circumferentially and rotatably arranged, a test station for positioning the planetary wheel bearing is arranged on the test shafts, the rotating shaft comprises two end parts penetrating out from two ends of the first through hole, and the supporting part comprises two connecting blocks rotatably connected with the end parts respectively. Aiming at the defects of the prior art, the invention provides a planetary wheel bearing test tool which can test the radial pressure bearing of a planetary wheel bearing, and has the advantages of simple structure and good test effect.
Description
Technical Field
The invention relates to a planetary wheel bearing test tool.
Background
The planet gear usually comprises a sun gear, an outer gear ring and a plurality of planet wheel bearings, wherein the planet wheel bearings comprise outer gears which are respectively used for being meshed with the outer gear ring and the sun gear and bearings connected with a mandrel, the outer gears form linkage fit between the sun gear and the outer gear ring, when kinetic energy is transmitted in the operation process of the planet gear, the planet gear has the advantage of dispersing pressure through the plurality of planet bearings, but the structure and the operation state of the planet gear are complex, the precision requirement on the planet wheel bearings is high, the situations of fatigue and outer gear tooth fracture failure need to be avoided, and therefore, the operation test under radial pressure bearing needs to be carried out before the planet wheel bearings leave a factory.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a planetary wheel bearing test tool which can test the radial pressure bearing of a planetary wheel bearing, and has the advantages of simple structure and good test effect.
In order to achieve the purpose, the invention provides a planetary wheel bearing test tool which comprises a loading part, a rotating shaft, a supporting part and a plurality of test shafts, wherein the loading part comprises a first circular through hole, a tooth part used for being meshed with a planetary wheel bearing is arranged on the peripheral wall of the first through hole, the rotating shaft and the test shafts are arranged in the first through hole, the test shafts are uniformly distributed around the rotating shaft in a shaft-surrounding manner and can drive the test shafts to circumferentially rotate, a test station used for positioning the planetary wheel bearing is arranged on the test shafts, the rotating shaft comprises two end parts penetrating out from two ends of the first through hole, and the supporting part comprises two connecting blocks respectively rotatably connected with the end parts.
The technical scheme has the advantages that: through set up on the loading piece and be circular shape first through-hole, and wear to establish wherein the pivot, form the test station that supplies the installation of planet wheel bearing on a plurality of test shafts along with its circumferential direction by around the pivot equipartition, planet wheel bearing installs behind the test station simultaneously with tooth phase meshing on the first through-hole perisporium, and two tip of pivot rotate the connecting block rotation support of being connected through two with it, in pivot pivoted in-process, through applying load to the loading piece, make the test bearing move under radial pressure-bearing, and first through-hole is circular, and inner wall tooth phase meshing with planet wheel bearing, the actual operation operating mode of simulation planet wheel bearing in planetary gear that can be better, guarantee experimental effect, and overall structure is simple.
The invention may further be arranged to: the rotating shaft comprises an annular protruding part, and a plurality of mounting holes for inserting and positioning the testing shaft are uniformly distributed on the protruding part.
Through further setting, the test shaft forms around the pivot equipartition and with the synchronous rotation of pivot through the bellying that sets up on the pivot and the mounting hole on the bellying.
The invention may further be arranged to: the bellying setting in pivot length direction's middle part department, adjacent test axle all is the reverse extension setting.
Through further setting up, set up the bellying at the pivot middle part to be the reverse extension setting with adjacent test axle, can let test station symmetry and even distribution be close to both ends department in the pivot, can form between each other and let the position on the one hand, on the other hand is even places, guarantees experimental stability.
The invention may further be arranged to: the test shaft comprises a screw hole, an abutting portion and a screwing portion, the screw hole is formed in one end of the test shaft inserted in the mounting hole, two ends of the abutting portion can be abutted and limited with the planet wheel bearing and the protruding portion respectively, and the screwing portion is arranged at the other end of the test shaft.
Through further setting up, at first can establish planet wheel bearing cover on the test axle, later compress tightly planet wheel bearing's inner circle on butt portion at the nut of the corresponding model of spiro union department spiro union, constitute the location of planet wheel bearing and test axle, insert the screw of test axle one end department at last and establish to the mounting hole in, it is spacing until constituting the butt between butt portion and the bellying, can be through the spiro union of the bolt of corresponding model and screw, constitute the connection of test axle and pivot mounting hole and fix.
The invention may further be arranged to: the loading piece comprises a first shell and a gear ring, the first shell is rectangular, the gear ring is detachably arranged in the first shell, the gear ring is matched with the first shell in a rotation-preventing mode, and the first through hole and the tooth portion are formed by the gear ring.
Through further setting up, the first casing that is the cuboid form is convenient for assemble the location and bear load to through the components of a whole that can function independently setting of first casing and ring gear, the follow-up adjustment of being convenient for, with the planet wheel bearing of reply different specifications.
The invention may further be arranged to: support piece including the second casing that corresponds connecting block quantity and set up, the second casing including be used for constituting to cup joint the complex second through-hole with the connecting block, the inner wall department that the loading piece was kept away from to the second through-hole is provided with the flange, the flange can be spacing with the connecting block butt.
Through further setting up, fall into second casing and connecting block with support piece, connect supporting part and pivot respectively by second casing and connecting block, the planet wheel bearing that awaits measuring is changed in the holistic dismouting of the equipment of being convenient for and adjustment, and constitute with the connecting block by the second through-hole of second casing and cup joint the cooperation, and set up in the second through-hole with the spacing flange of connecting block butt, avoid the axial drunkenness of pivot when guaranteeing easy dismounting.
The invention may further be arranged to: the second casing on be provided with the first slot that communicates to in the second through-hole, the connecting block be cylindricly, and a plurality of second slots that radially extend along it are arranged to circumference on the connecting block periphery wall, the second slot can rotate along with the connecting block and aim at first slot department and form with it and be linear locked groove.
Through further setting up, be cylindric with the connecting block setting, be convenient for its and the second casing between the assembly, later constitute the locked groove by first slot and the second slot that sets up on second casing and connecting block respectively, later insert wherein establish the pin rod and constitute the cooperation of preventing changeing between second casing and the connecting block to because the second slot is a plurality of, and the circumference equipartition is on the connecting block, the alignment of first slot and second slot of being convenient for, the installation of being convenient for.
The invention can be further configured as follows: the tapered roller bearing is arranged between the rotating shaft and the connecting block, a first clamping groove and a second clamping groove are respectively arranged on the rotating shaft and the connecting block, and the first clamping groove and the second clamping groove are respectively abutted to an inner ring and an outer ring of the tapered roller bearing.
By further arrangement, a tapered roller bearing is arranged between the rotating shaft and the connecting block to form a rotating connection between the rotating shaft and the connecting block, and radial and unilateral axial support is provided by utilizing the characteristics of the tapered roller bearing.
The invention may further be arranged to: the second draw-in groove set up in the axial one end department of connecting block, the connecting block on be provided with a plurality of logical grooves that communicate its other end and second draw-in groove, a plurality of logical grooves be cyclic annular equipartition, and aim at second draw-in groove ring department and set up, logical groove all with the axis parallel arrangement of connecting block.
Through further setting up, set up the logical groove of its other end of intercommunication and second draw-in groove on the connecting block for under the condition that needs the split, can directly use corresponding instrument to tapered roller bearing's outer lane application of force, be convenient for split between them.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a front view of an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2 in accordance with an embodiment of the present invention;
FIG. 4 is an enlarged view of portion a of FIG. 3 according to an embodiment of the present invention;
FIG. 5 is an enlarged view of portion b of FIG. 3 according to an embodiment of the present invention;
FIG. 6 is a schematic view of the engagement of the spindle and the test spindle in an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a test shaft according to an embodiment of the present invention;
wherein: a loading member 1; a first through hole 11; the tooth portion 111; a first housing 12; a ring gear 13; a rotating shaft 2; an end portion 21; a boss 22; a mounting hole 221; a first card slot 23; a support 3; a connection block 31; a second slot 311; a second card slot 312; a through groove 313; a second housing 32; a second through hole 321; a flange 322; a first slot 323; a test shaft 4; a test station 41; a screw hole 42; an abutting portion 43; a screw connection portion 44; a nut 45; a bolt 46; a cushion block 47; a tapered roller bearing 5.
Detailed Description
The embodiment of the planet wheel bearing test tool is shown in figures 1-7: including loading member 1, pivot 2, support piece 3 and a plurality of test axle 4, loading member 1 including being circular shape first through-hole 11, be provided with on the perisporium of first through-hole 11 and be used for with the tooth portion 111 of planet wheel bearing meshing, pivot 2 and a plurality of test axle 4 all set up in first through-hole 11, a plurality of test axle 4 encircle 2 equipartitions of pivot, and pivot 2 can drive a plurality of test axle 4 circumferential direction settings that move, be provided with the test station 41 who supplies the planet wheel bearing location on the test axle 4, pivot 2 including two tip 21 of wearing out from 11 both ends of first through-hole, support piece 3 including two respectively with tip 21 rotation connection's connecting block 31. The rotating shaft 2 comprises an annular convex part 22, and a plurality of mounting holes 221 for inserting and positioning the testing shaft 4 are uniformly distributed on the convex part 22. The convex part 22 is arranged at the middle part of the length direction of the rotating shaft 2, and the adjacent test shafts 4 are arranged in a reverse extending mode. The test shaft 4 comprises a screw hole 42, an abutting part 43 and a threaded part 44, the screw hole 42 is arranged at one end of the test shaft 4 inserted in the mounting hole 221, two ends of the abutting part 43 can respectively form abutting limit with the planet wheel bearing and the boss part 22, the cross section of the abutting part 43 is in a step shape, one end of the abutting part 43 facing the boss part 22 is larger than the other end of the abutting part 43 facing the planet wheel bearing, and the threaded part 44 is arranged at the other end of the test shaft 4. In this embodiment in this market, still be provided with nut 45, bolt 46 and cushion 47, bolt 46 can insert establish to mounting hole 221 in with screw hole 42 between the spiro union cooperation, constitute the connection of test axle 4 and bellying 22 and fix, cushion 47 cover establish on bolt 46, and cushion 47 both ends respectively with bellying 22 and the cap butt of bolt 46, the setting of cushion 47 forms spacing to bolt 46 on the one hand, on the other hand avoids directly taking place between bolt 46 cap and the bellying 22 and rotates the friction, nut 45 be used for with spiro union 44 spiro union cooperation. The loading piece 1 comprises a first shell 12 and a gear ring 13, the first shell 12 is in a rectangular shape, the gear ring 13 is detachably arranged in the first shell 12, the gear ring 13 is in rotation-proof fit with the first shell 12, and the first through hole 11 and the tooth part 111 are both formed by the gear ring 13. Support piece 3 including the second casing 32 that corresponds connecting block 31 quantity setting, second casing 32 including be used for constituting to cup joint the complex second through-hole 321 with connecting block 31, the inner wall department that second through-hole 321 kept away from with loading piece 1 is provided with flange 322, flange 322 can be spacing with connecting block 31 butt. The second housing 32 is provided with a first slot 323 communicated to the second through hole 321, the connecting block 31 is cylindrical, a plurality of second slots 311 extending along the radial direction of the connecting block 31 are circumferentially arranged on the outer peripheral wall of the connecting block 31, and the second slots 311 can rotate along with the connecting block to align with the first slots 323 and form a linear locking groove with the first slots 323. The tapered roller bearing 5 is arranged between the rotating shaft 2 and the connecting block 31, the rotating shaft 2 and the connecting block 31 are respectively provided with a first clamping groove 23 and a second clamping groove 312, and the first clamping groove 23 and the second clamping groove 312 are respectively abutted to an inner ring and an outer ring of the tapered roller bearing 5. The second clamping groove 312 is arranged at one axial end of the connecting block 31, a plurality of through grooves 313 for communicating the other end of the connecting block 31 with the second clamping groove 312 are formed in the connecting block 31, the through grooves 313 are annularly and uniformly distributed and are aligned with the second clamping groove ring 312, and the through grooves 313 are all arranged in parallel with the axis of the connecting block 31.
The above example is only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a planet wheel bearing test frock which characterized in that: the loading part comprises a circular first through hole, tooth parts used for being meshed with a planet wheel bearing are arranged on the circumferential wall of the first through hole, the rotating shaft and a plurality of testing shafts are arranged in the first through hole, a plurality of testing shaft rings are uniformly distributed around the rotating shaft, the rotating shaft can drive the plurality of testing shaft rings to rotate circumferentially, a testing station for positioning the planet wheel bearing is arranged on the testing shaft, the rotating shaft comprises two end parts penetrating out of two ends of the first through hole, the supporting part comprises two connecting blocks which are respectively connected with the end parts in a rotating mode, the rotating shaft comprises an annular protruding part, a plurality of mounting holes for inserting and positioning the testing shafts are uniformly distributed on the protruding part, the testing shaft comprises a screw hole, an abutting part and a screwing part, the screw hole is formed in one end part of the testing shaft inserted in the mounting hole, the both ends of butt portion can constitute the butt with planet wheel bearing and bellying respectively and spacing, the spiro union portion set up the other end department at the test axle.
2. The planetary wheel bearing test tool according to claim 1, characterized in that: the bellying setting in pivot length direction's middle part department, adjacent test axle all is the reverse setting that extends.
3. The planetary wheel bearing test tool according to claim 1 or 2, characterized in that: the loading piece comprises a first shell and a gear ring, the first shell is rectangular, the gear ring is detachably arranged in the first shell, the gear ring and the first shell are in anti-rotation fit, and the first through hole and the tooth part are formed by the gear ring.
4. The planetary wheel bearing test tool according to claim 1 or 2, characterized in that: support piece including the second casing that corresponds connecting block quantity and set up, the second casing including be used for constituting to cup joint the complex second through-hole with the connecting block, the inner wall department that the loading piece was kept away from to the second through-hole is provided with the flange, the flange can be spacing with the connecting block butt.
5. The planetary wheel bearing test tool of claim 4, wherein: the second casing on be provided with the first slot that communicates to in the second through-hole, the connecting block be cylindricly, and a plurality of second slots that radially extend along it are arranged to circumference on the connecting block periphery wall, the second slot can rotate along with the connecting block and aim at first slot department and form with it and be linear locked groove.
6. A planetary wheel bearing test tooling according to claim 1, 2, 3 or 5, characterized in that: the tapered roller bearing is arranged between the rotating shaft and the connecting block, a first clamping groove and a second clamping groove are respectively arranged on the rotating shaft and the connecting block, and the first clamping groove and the second clamping groove are respectively abutted to an inner ring and an outer ring of the tapered roller bearing.
7. The planetary wheel bearing test tool of claim 6, wherein: the second draw-in groove set up in the axial one end department of connecting block, the connecting block on be provided with a plurality of logical grooves that communicate its other end and second draw-in groove, a plurality of logical grooves be cyclic annular equipartition, and aim at second draw-in groove ring department and set up, logical groove all with the axis parallel arrangement of connecting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110295752.5A CN113092109B (en) | 2021-03-19 | 2021-03-19 | Planetary wheel bearing test tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110295752.5A CN113092109B (en) | 2021-03-19 | 2021-03-19 | Planetary wheel bearing test tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113092109A CN113092109A (en) | 2021-07-09 |
| CN113092109B true CN113092109B (en) | 2022-09-27 |
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ID=76668462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110295752.5A Active CN113092109B (en) | 2021-03-19 | 2021-03-19 | Planetary wheel bearing test tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113092109B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09264816A (en) * | 1996-03-29 | 1997-10-07 | Nippon Seiko Kk | Bearing test device |
| JP2005062073A (en) * | 2003-08-19 | 2005-03-10 | Ntn Corp | Performance evaluation test machine of bearing for planetary gear support |
| CN100510679C (en) * | 2007-08-24 | 2009-07-08 | 中国北方车辆研究所 | Planet wheel bearing test device |
| CN203432801U (en) * | 2013-08-20 | 2014-02-12 | 西安工业大学 | Performance test experiment table for static-pressure gas antithrust bearing |
| CN204855161U (en) * | 2015-08-18 | 2015-12-09 | 上海人本集团有限公司 | Swinging driving device of bearing swing durability test machine |
| CN212379028U (en) * | 2020-06-10 | 2021-01-19 | 人本股份有限公司 | Test tool for crankshaft bearing |
| CN111896253B (en) * | 2020-07-31 | 2022-02-25 | 沈阳建筑大学 | Multifunctional low-temperature vacuum bearing test bench and test method |
-
2021
- 2021-03-19 CN CN202110295752.5A patent/CN113092109B/en active Active
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| Publication number | Publication date |
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| CN113092109A (en) | 2021-07-09 |
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