CN203231893U - Composite swinging type knuckle bearing life testing machine - Google Patents
Composite swinging type knuckle bearing life testing machine Download PDFInfo
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- CN203231893U CN203231893U CN 201320282946 CN201320282946U CN203231893U CN 203231893 U CN203231893 U CN 203231893U CN 201320282946 CN201320282946 CN 201320282946 CN 201320282946 U CN201320282946 U CN 201320282946U CN 203231893 U CN203231893 U CN 203231893U
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Abstract
Disclosed in the utility model is a composite swinging type knuckle bearing life testing machine. The testing machine comprise axial transmission shafts in coaxial transmission connection with an inner ring of a knuckle bearing, bearing clamps for clamping an outer ring of the knuckle bearing, and radial transmission shafts in transmission connection with the bearing clamp. Axises of the radial transmission shafts are perpendicular to and intersected with axises of the axial transmission shafts; the axial transmission shafts and the radial transmission shafts are in transmission connection with corresponding driving devices for driving the corresponding transmission shafts to make reciprocating and rotating swinging; and there are at least two axial transmission shafts and/or the radial transmission shafts that are respectively arranged in parallel. The radial transmission shafts and the axial transmission shafts are intersected to form a testing rack for simultaneously carrying out testing on at least two sets of knuckle bearings; at least two intersecting positions formed by corresponding intersecting of the axises of the radial transmission shafts and the axial transmission shafts are arranged at the testing rack; and each of the intersecting positions is correspondingly provided with one bearing clamp. According to the utility model, the testing machine is capable of testing at least two knuckle bearings simultaneously, thereby improving the life testing efficiency of knuckle bearings.
Description
Technical field
The utility model relates to a kind of oscillating bearing life test machine.
Background technology
Oscillating bearing is a kind of sphere sliding friction pendulum bearing, and it comprises the inner ring with spherical outside surface and the outer ring with Internal Spherical Surface, and the life-span of oscillating bearing and reliability thereof are the most important usabilities of oscillating bearing.Most of oscillating bearing life test machines can only carry out a cover bearing test, waste time and energy and the poor reliability of test findings, and the durability tests of the bearings of cover more than once carrying out, can shorten test period widely, reduce experimentation cost, thereby accelerate the Products Development cycle and improve paces, the testing machine that therefore once can carry out many cover bearing durability tests is subjected to increasing concern, research and application.
The testing machine of relevant oscillating bearing durability test has much both at home and abroad at present, and can reach accurate measurement.But these testing machines can only be used for doing the heavy load of oscillating bearing, low wobble frequency test, can not once realize the compound swing test of many cover bearings simultaneously.Especially for oscillating bearing radially, can realize that the compound swing of oscillating bearing and variable load load, and once can measure many cover bearings, can realize that again the oscillating bearing life test machine of reinforcing life test is still unresolved so far.
For in the Chinese utility model patent instructions of CN201749030U a kind of compound swing type oscillating bearing testing machine is disclosed at Granted publication number, it comprises for the axial drive shaft that is in transmission connection with oscillating bearing inner ring to be measured, axial drive shaft drives its reciprocal rotary oscillation by first driving mechanism, testing machine also comprises the bearing anchor clamps for clamping bearing outer ring to be measured, bearing anchor clamps upper edge bearing outer ring radially be connected with radially transmission shaft, the intersect vertical axis of transmission shaft and axial drive shaft radially radially is connected with on the transmission shaft and drives it and do second driving mechanism of reciprocal rotary oscillation.During use, fixedly be installed on the inner ring of oscillating bearing to be measured on the axial drive shaft, and with the outer ring of bearing clamp oscillating bearing to be measured, by first driving mechanism and second driving mechanism respectively respective drive can under compound swing condition, realize the friction and wear behavior of oscillating bearing is tested to transmission shaft and the reciprocal rotary oscillation of transmission shaft radially.But above-mentioned testing machine once can only carry out the test of a cover bearing, can not carry out compound swing test to many covers oscillating bearing simultaneously, and bulk testing efficient is low.
The utility model content
The purpose of this utility model provides a kind of compound swing type oscillating bearing life test machine, once can only test the technical matters that causes test efficiency low to a cover bearing to solve compound swing type oscillating bearing testing machine of the prior art.
For achieving the above object, the technical scheme of compound swing type oscillating bearing life test machine provided by the utility model is: compound swing type oscillating bearing life test machine, comprise for the coaxial axial drive shaft that is in transmission connection of oscillating bearing inner ring to be measured, the radially transmission shaft that is used for the bearing anchor clamps of clamping oscillating bearing to be measured outer ring and is used for being in transmission connection with the bearing anchor clamps, radially the axis of transmission shaft all with the intersect vertical axis of axial drive shaft, axial drive shaft and radially transmission shaft all be connected with the corresponding drive unit that is used for driving the reciprocal rotary oscillation of corresponding transmission shaft, described axial drive shaft and/or described radially transmission shaft are parallel respectively to be furnished with at least two, all radially transmission shafts and axial drive shaft intersect to form the test rack of testing simultaneously at least two cover oscillating bearings, at least have corresponding two crossover locations that form that intersect of axis by radially transmission shaft and axial drive shaft on the test rack, each equal correspondence in crossover location place is furnished with described bearing anchor clamps.
Each described bearing anchor clamps all is equipped with the loading anchor clamps with respect to the both sides of oscillating bearing to be measured, load on the anchor clamps and be connected with for the hydraulic loaded mechanism to oscillating bearing imposed load to be measured, hydraulic loaded mechanism comprises hydraulic loaded cylinder and tension-compression sensor, and an end and the piston rod in the hydraulic loaded cylinder of tension-compression sensor is connected, the other end and loading anchor clamps are connected.Described testing machine comprises also that for the displacement transducer corresponding with each oscillating bearing to be measured displacement transducer has the measuring head that contacts for loading anchor clamps roof pressure.
Described axial drive shaft and radially transmission shaft is parallel respectively is furnished with two, by two axial transmission shafts and two radially the test rack that can test the quadruplet oscillating bearing simultaneously that forms of transmission shaft be square, the crossover location that has on the described test rack is furnished with four, bearing anchor clamps correspondence is furnished with four, each radially transmission shaft all with intersect the two bearings anchor clamps that the two crossover location places that form are furnished with and be in transmission connection in that radially transmission shaft and two axial transmission shafts are corresponding by this.
Described drive unit comprises first driving mechanism that rotates synchronously for driving two axial transmission shafts and is used for radially synchronous second driving mechanism that rotates of transmission shaft of driving two.
Described first, at least one driving mechanism in two driving mechanisms comprises for driving the synchronous interaction mechanism that two parallel transmission shafts rotate synchronously, synchronous interaction mechanism comprises parallel two forks that extend, two forks correspondence respectively are connected on two transmission shafts, and the radially extension along transmission shaft, be provided with kinematic link between two forks, the two ends of kinematic link are hinged on respectively on two forks, two forks, kinematic link and two corresponding transmission shafts constitute parallelogram linkage, driving mechanism also comprise with described synchronous interaction mechanism in one of them fork kinematic link to drive the actuating unit of this fork swing.
Described actuating unit comprises drive motor, the coaxial rotating disc that is installed with on the power output shaft of drive motor, off-centre is installed with eccentric connecting pin on the rotating disc, the fork that is in transmission connection with actuating unit in described two forks is power input fork, slidable fit has slide block on the power input fork, and slide block and described eccentric connecting pin are hinged.
Be connected with frequency-variable controller on the described drive motor.
Usefulness of the present utility model is: when compound swing type oscillating bearing life test machine provided by the utility model uses, oscillating bearing correspondence to be measured is arranged in by the axis and two of the axial drive shaft corresponding crossover location place that forms of intersecting of drive shaft axis radially, the inner ring that is positioned at the oscillating bearing at crossover location place is in transmission connection with axial drive shaft is coaxial, the outer ring of bearing clamp oscillating bearing to be measured, and make radially that transmission shaft and bearing anchor clamps are in transmission connection, like this, when drive unit driving axial transmission shaft with when radially transmission shaft is made reciprocal rotary oscillation, just can when making oscillating bearing do compound swing, carry out durability test to oscillating bearing.Because what have on the test rack is furnished with two at least by the axis of transmission shaft radially and the corresponding crossover location that forms that intersects of axis of axial drive shaft, so can test at least two oscillating bearings simultaneously, so not only can improve the durability test efficient to oscillating bearing, and can make contrast test to many covers joint shaft to be tested.And in process of the test, can make oscillating bearing do compound swing also more near the actual condition of oscillating bearing, can effectively improve test accuracy.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of compound swing type oscillating bearing life test machine provided by the utility model;
Fig. 2 is the structural representation of hydraulic loaded mechanism in the testing machine shown in Fig. 1;
Fig. 3 is the structural representation of synchronous interaction mechanism in the testing machine shown in Fig. 2.
Embodiment
As shown in Figure 1 to Figure 3, the embodiment of compound swing type oscillating bearing life test machine, testing machine among this embodiment comprises parallel first axial drive shaft 1 and second axial drive shaft 20 of arranging, two axial transmission shafts are used for being in transmission connection with the inner ring of oscillating bearing to be measured is coaxial, and each axial drive shaft is all rotated and is assemblied in two bearing seats.The two ends of each axial drive shaft herein are equipped with two ring flanges by the key syndeton respectively, be equipped with bearing pin dish 8 by end face location correspondence on the card of ring flange 7, and by bolt ring flange 7 and bearing pin dish 8 are connected, convex with the bearing pin that is used for assembling oscillating bearing 10 with the axial drive shaft coaxial arrangement on the side away from ring flange 7 of bearing pin dish 8, after being installed in oscillating bearing 10 on the bearing pin, available sleeve 11 holds out against it, then with nut lock with the sleeve fixing and locking.
Above-mentioned two axial transmission shafts are driven synchronously by first driving mechanism and rotate, first driving mechanism comprises for driving the synchronous interaction mechanism that two parallel axial transmission shafts rotate synchronously, synchronous interaction mechanism comprises parallel two forks that extend, two forks are respectively long fork 16 and short fork 2, one end of two forks correspondence respectively is connected on the two axial transmission shafts, and the radially extension along two axial transmission shafts, be provided with kinematic link 18 between two forks, the two ends of kinematic link 18 are hinged on respectively on two forks, the portion that is connected that is connected with corresponding axial drive shaft on two forks and equate with the distance of the hinged articulated section of kinematic link.First driving mechanism also comprises first actuating unit that is in transmission connection with long fork, actuating unit comprises first drive motor 14, the coaxial rotating disc 15 that is installed with on the power output shaft of first drive motor 14, off-centre is installed with eccentric connecting pin 17 on the rotating disc 15, long fork is provided with the chute that extends along the fork bearing of trend, move back and forth in the chute and be equipped with slide block, the eccentric connecting pin 17 on slide block and the rotating disc 5 is hinged.Also be connected with frequency-variable controller on first drive motor 14 herein.
Testing machine also comprises two parallel first transmission shaft 5 and second transmission shafts of arranging 26 radially radially, each radially same rotation of transmission shaft be assemblied in two bearing seats, two radially transmission shaft and two axial transmission shafts are arranged vertically, the two radially axis of transmission shaft and intersect vertical axis of two axial transmission shafts herein, like this, two axial transmission shafts and two radially transmission shaft are formed for the square test rack simultaneously the quadruplet oscillating bearing tested, have on the test rack by two corresponding four crossover locations that form that intersect of axis of the axis of transmission shaft and two axial transmission shafts radially, each equal correspondence in crossover location place is furnished with bearing anchor clamps 3 that are used for clamping oscillating bearing to be measured outer ring, each radially transmission shaft upwards be in transmission connection with the bearing anchor clamps 3 that corresponding crossover location place is furnished with in bearing anchor clamps 3 footpaths respectively.
Above-mentioned two radially transmission shaft driven synchronously by second driving mechanism and rotate, second driving mechanism comprises for driving the parallel two synchronous interaction mechanisms that rotate synchronously of transmission shaft radially, synchronous interaction mechanism comprises parallel two forks that extend, two forks are respectively long fork 24 and short fork 6, one end of two forks correspondence respectively is connected in two radially on the transmission shaft, and along the two radially radially extensions of transmission shaft, be provided with kinematic link 25 between two forks, the two ends of kinematic link 25 are hinged on respectively on two forks, the portion that is connected that is connected with corresponding radially transmission shaft on two forks and equate with the distance of the hinged articulated section of kinematic link.Second driving mechanism also comprises the actuating unit that is in transmission connection with long fork, actuating unit comprises second drive motor 22, the coaxial rotating disc 23 that is installed with on the power output shaft of second drive motor 22, off-centre is installed with eccentric connecting pin on the rotating disc 23, long fork 24 is provided with the chute that extends along the fork bearing of trend, move back and forth in the chute and be equipped with slide block, the eccentric connecting pin on slide block and the rotating disc is hinged.Be connected with frequency-variable controller equally on second drive motor herein.
Above-mentioned bearing anchor clamps 3 are made up of left anchor clamps 27, middle anchor clamps 28 and right anchor clamps 29, middle anchor clamps 28 are combined by two clamping chunks, the medial surface medium position of each clamping chunk is equipped with a half slot, the center of anchor clamps 28 during half slot by two clamping chunks is clamped in oscillating bearing to be measured 10, left anchor clamps 27, middle anchor clamps 28 and right anchor clamps 29 are in the same place by four Bolt Connection.Corresponding, radially transmission shaft by tensioner cover and bearing anchor clamps left anchor clamps or right anchor clamps on extended extension bar be in transmission connection.
The outside of above-mentioned bearing anchor clamps also is furnished with loading fixture 21, loading fixture 21 comprises the left charging assembly that is arranged in left anchor clamps 27 left sides and the right charging assembly that is arranged in right anchor clamps 29 right sides, and left charging assembly and right charging assembly carry out spacing by the set nut that is arranged in the outside to it.Left charging assembly herein is identical with the structure of right charging assembly, include loading blocks 30 and following loading blocks 31, upper and lower loading blocks medial surface respectively offers half slot, upper and lower loading blocks is by the assembling of half slot and rolling bearing, thereby by bolt upper and lower loading blocks is fixed together rolling bearing clamped.Be connected with on the loading anchor clamps herein for the hydraulic loaded mechanism 13 to oscillating bearing imposed load to be measured, this hydraulic loaded mechanism 13 comprises hydraulic loaded cylinder 33 and tension-compression sensor 32, and an end and the piston rod in the hydraulic loaded cylinder 33 of tension-compression sensor 32 is connected, the other end and following loading blocks are connected.
Each oscillating bearing to be measured all is furnished with independent displacement transducer 12 and temperature sensor 9.Displacement transducer 12 has the measuring head that contacts for the upper surface roof pressure that loads anchor clamps, to be used for measuring the oscillating bearing outer ring with respect to the radial line displacement of inner ring.For temperature sensor 9, during use, measured hole is offered in the outer ring of oscillating bearing to be measured, the measuring head of temperature sensor 9 is placed in the measured hole of outer ring of oscillating bearing.
The signal output part of above-mentioned tension-compression sensor 32, displacement transducer 12 and temperature sensor 9 all is connected on the display.
When the life test machine that present embodiment provides uses, earlier oscillating bearing to be measured 10 is installed on the bearing pin of bearing pin dish 8, hold out against the oscillating bearing outer face with sleeve, and with nut with the sleeve fixing and locking, at this moment, the inner ring of oscillating bearing 10 and second axial drive shaft, 20 coaxial being in transmission connection, then by left anchor clamps, middle anchor clamps, the bearing anchor clamps 3 that right anchor clamps constitute clamp the outer ring of oscillating bearing 10, and make bearing anchor clamps and first radially transmission shaft 5 be in transmission connection, install the loading anchor clamps additional in bearing anchor clamps 3 outsides then, and the tension-compression sensor 32 that will load in anchor clamps and the hydraulic loaded mechanism by bolt couples together, the installation of its excess-three oscillating bearing to be measured is the same with oscillating bearing 10 to be measured with load mode, the oscillating bearing that each is to be measured is installed temperature sensor, displacement transducer, after installing, set in advance the pressure of hydraulic loaded cylinder, set the required frequency of drive motor by frequency-variable controller, after the displacement transducer zeroing, can start two drive motor.
15 rotations of first drive motor, 14 driven rotary dishes, rotating disc 15 moves back and forth in the chute of long fork 16 by the eccentric connecting pin drive slide block that off-centre is fixed on the rotating disc, thereby drive second axial drive shaft 20 and do reciprocally swinging together, long fork 16 drives short fork 2 by kinematic link 18 and first axial drive shaft 1 is done reciprocally swinging together, at this moment, first axial drive shaft 1 and second axial drive shaft 20 drive the bearing pin dish reciprocally swinging that two ends separately are provided with, thereby drive the inner ring and the relative rotary oscillation in a left side, outer ring of four oscillating bearings to be measured, thereby realize the torsion swing test to four oscillating bearings to be measured.
23 rotations of second drive motor, 22 driven rotary dishes, rotating disc 23 slides in the chute of long fork 24 by the eccentric connecting pin drive slide block that off-centre is fixed on the rotating disc 23, thereby drive long fork 24 and second radially transmission shaft 26 do reciprocally swinging together, long fork 24 by kinematic link 25 drive short forks 6 and first radially transmission shaft 5 do reciprocally swinging together, at this moment, two radially transmission shaft drive separately the bearing anchor clamps at two ends and do reciprocally swinging together, the bearing anchor clamps drive the outer ring of the oscillating bearing of clamping separately and do reciprocally swinging diametrically with respect to inner ring, thereby realize the wallowing motion of four oscillating bearings to be measured.
In above-described embodiment, axial drive shaft and radially transmission shaft is parallel respectively is furnished with two, by two radially the test rack that forms of transmission shaft and two axial transmission shafts be square, corresponding crossover location also is furnished with four, each radially transmission shaft all with intersect the two bearings anchor clamps that the two crossover location places that form are furnished with and be in transmission connection in that radially transmission shaft and two axial transmission shafts are corresponding by this, so both can test simultaneously the quadruplet oscillating bearing simultaneously.In other embodiments, radially the test rack that constitutes of transmission shaft is when square for two axial drive shaft and two, and the crossover location on the test rack can be tested two or three oscillating bearings so simultaneously by two or three.Axial drive shaft is walked abreast be furnished with two, and a radially transmission shaft only is set, so, radially will have two crossover locations on the test rack that transmission shaft and two parallel axial drive shaft form, can test two oscillating bearings simultaneously like this.Can make also radially that transmission shaft is furnished with two, and an axial drive shaft only is set, so, will have two crossover locations on two test racks that radially transmission shaft and axial drive shaft form, can test two oscillating bearings simultaneously equally.Radially transmission shaft and axial drive shaft more than three can also be set certainly, can make like this by the formed test rack of transmission shaft and axial drive shaft radially to have a plurality of crossover locations, so just can test a plurality of oscillating bearings simultaneously.
In above-described embodiment, the inner ring of oscillating bearing is in transmission connection with circumferentially transmission shaft is coaxial by bearing pin dish, ring flange, and position by end face between bearing pin dish and the ring flange, can improve the installation accuracy of oscillating bearing like this, and then can reduce the additional wear of bearing pin dish and oscillating bearing.
In above-described embodiment, the hydraulic loaded mechanism in that the bearing anchor clamps outside is furnished with the loading anchor clamps and links to each other with the loading anchor clamps applies different load by hydraulic loaded mechanism to oscillating bearing to be measured, can shorten the durability test cycle of oscillating bearing.In other embodiments, also can not be provided for applying the hydraulic loaded mechanism of different loads, need have the testing machine of different loads this moment oscillating bearing is tested, can prolong the test period.
In above-described embodiment, two axial transmission shafts rotate synchronously by first driving mechanism, two radially transmission shaft then rotate synchronously by second driving mechanism, in other embodiments, also can independent driving mechanisms be set to drive the transmission shaft rotation respectively by corresponding each transmission shaft, can finish equally under compound swing condition oscillating bearing is tested, just can't compare test to the quadruplet bearing this moment.
In above-described embodiment, actuating unit is drive motor, drive motor is swung by the long fork that rotating disc, eccentric connecting pin and slide block drive in the synchronous interaction mechanism, in other embodiments, actuating unit also can adopt oil motor, by the long fork swing of fluid motor-driven, and then two transmission shafts that walk abreast by the driving of synchronous interaction mechanism rotate synchronously.
Claims (8)
1. compound swing type oscillating bearing life test machine, comprise for the coaxial axial drive shaft that is in transmission connection of oscillating bearing inner ring to be measured, the radially transmission shaft that is used for the bearing anchor clamps of clamping oscillating bearing to be measured outer ring and is used for being in transmission connection with the bearing anchor clamps, radially the axis of transmission shaft all with the intersect vertical axis of axial drive shaft, axial drive shaft and radially transmission shaft all be connected with the corresponding drive unit that is used for driving the reciprocal rotary oscillation of corresponding transmission shaft, it is characterized in that: described axial drive shaft and/or described radially transmission shaft are parallel respectively to be furnished with at least two, all radially transmission shafts and axial drive shaft intersect to form the test rack of testing simultaneously at least two cover oscillating bearings, at least have corresponding two crossover locations that form that intersect of axis by radially transmission shaft and axial drive shaft on the test rack, each equal correspondence in crossover location place is furnished with described bearing anchor clamps.
2. compound swing type oscillating bearing life test machine according to claim 1, it is characterized in that: each described bearing anchor clamps all is equipped with the loading anchor clamps with respect to the both sides of oscillating bearing to be measured, load on the anchor clamps and be connected with for the hydraulic loaded mechanism to oscillating bearing imposed load to be measured, hydraulic loaded mechanism comprises hydraulic loaded cylinder and tension-compression sensor, and an end and the piston rod in the hydraulic loaded cylinder of tension-compression sensor is connected, the other end and loading anchor clamps are connected.
3. compound swing type oscillating bearing life test machine according to claim 2, it is characterized in that: described testing machine comprises also that for the displacement transducer corresponding with each oscillating bearing to be measured displacement transducer has the measuring head that contacts for loading anchor clamps roof pressure.
4. according to claim 1 or 2 or 3 described compound swing type oscillating bearing life test machines, it is characterized in that: described axial drive shaft and radially transmission shaft is parallel respectively is furnished with two, by two axial transmission shafts and two radially the test rack that can test the quadruplet oscillating bearing simultaneously that forms of transmission shaft be square, the crossover location that has on the described test rack is furnished with four, bearing anchor clamps correspondence is furnished with four, each radially transmission shaft all with intersect the two bearings anchor clamps that the two crossover location places that form are furnished with and be in transmission connection in that radially transmission shaft and two axial transmission shafts are corresponding by this.
5. compound swing type oscillating bearing life test machine according to claim 4 is characterized in that: described drive unit comprises for driving first driving mechanism that two axial transmission shafts rotate synchronously and being used for driving two transmission shaft second driving mechanisms of rotation synchronously radially.
6. compound swing type oscillating bearing life test machine according to claim 5, it is characterized in that: described first, at least one driving mechanism in two driving mechanisms comprises for driving the synchronous interaction mechanism that two parallel transmission shafts rotate synchronously, synchronous interaction mechanism comprises parallel two forks that extend, two forks correspondence respectively are connected on two transmission shafts, and the radially extension along transmission shaft, be provided with kinematic link between two forks, the two ends of kinematic link are hinged on respectively on two forks, two forks, kinematic link and two corresponding transmission shafts constitute parallelogram linkage, driving mechanism also comprise with described synchronous interaction mechanism in one of them fork kinematic link to drive the actuating unit of this fork swing.
7. compound swing type oscillating bearing life test machine according to claim 6, it is characterized in that: described actuating unit comprises drive motor, the coaxial rotating disc that is installed with on the power output shaft of drive motor, off-centre is installed with eccentric connecting pin on the rotating disc, the fork that is in transmission connection with actuating unit in described two forks is power input fork, slidable fit has slide block on the power input fork, and slide block and described eccentric connecting pin are hinged.
8. compound swing type oscillating bearing life test machine according to claim 7 is characterized in that: be connected with frequency-variable controller on the described drive motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320282946 CN203231893U (en) | 2013-05-22 | 2013-05-22 | Composite swinging type knuckle bearing life testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320282946 CN203231893U (en) | 2013-05-22 | 2013-05-22 | Composite swinging type knuckle bearing life testing machine |
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| Publication Number | Publication Date |
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| CN203231893U true CN203231893U (en) | 2013-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320282946 Withdrawn - After Issue CN203231893U (en) | 2013-05-22 | 2013-05-22 | Composite swinging type knuckle bearing life testing machine |
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| CN (1) | CN203231893U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323241A (en) * | 2013-05-22 | 2013-09-25 | 河南科技大学 | Composite swing type joint bearing service life testing machine |
| CN104697793A (en) * | 2013-12-04 | 2015-06-10 | 中国直升机设计研究所 | Bearing product performance test device |
| CN104849048A (en) * | 2015-05-14 | 2015-08-19 | 台州科锦轴承有限公司 | Dynamic performance testing machine of joint bearing and transmission shaft rotation drive unit thereof |
| CN113007004A (en) * | 2021-03-16 | 2021-06-22 | 陈春安 | Power generation equipment |
| CN115148131A (en) * | 2022-07-22 | 2022-10-04 | 霍岩 | Outdoor movable administrative management show shelf that uses |
-
2013
- 2013-05-22 CN CN 201320282946 patent/CN203231893U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323241A (en) * | 2013-05-22 | 2013-09-25 | 河南科技大学 | Composite swing type joint bearing service life testing machine |
| CN103323241B (en) * | 2013-05-22 | 2015-06-17 | 河南科技大学 | Composite swing type joint bearing service life testing machine |
| CN104697793A (en) * | 2013-12-04 | 2015-06-10 | 中国直升机设计研究所 | Bearing product performance test device |
| CN104697793B (en) * | 2013-12-04 | 2017-09-29 | 中国直升机设计研究所 | A kind of bearing product properties experimental rig |
| CN104849048A (en) * | 2015-05-14 | 2015-08-19 | 台州科锦轴承有限公司 | Dynamic performance testing machine of joint bearing and transmission shaft rotation drive unit thereof |
| CN104849048B (en) * | 2015-05-14 | 2017-11-10 | 台州科锦轴承有限公司 | Oscillating bearing Dynamic performance examination machine and its drive axis drive device |
| CN113007004A (en) * | 2021-03-16 | 2021-06-22 | 陈春安 | Power generation equipment |
| CN115148131A (en) * | 2022-07-22 | 2022-10-04 | 霍岩 | Outdoor movable administrative management show shelf that uses |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131009 Effective date of abandoning: 20150617 |
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| RGAV | Abandon patent right to avoid regrant |