CN202330039U - Locomotive wheelset running test device - Google Patents
Locomotive wheelset running test device Download PDFInfo
- Publication number
- CN202330039U CN202330039U CN2011204734824U CN201120473482U CN202330039U CN 202330039 U CN202330039 U CN 202330039U CN 2011204734824 U CN2011204734824 U CN 2011204734824U CN 201120473482 U CN201120473482 U CN 201120473482U CN 202330039 U CN202330039 U CN 202330039U
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- mount pad
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Abstract
The utility model discloses a locomotive wheelset running test device. An electric motor is connected with a first gearbox through a first shaft coupler, a tested wheelset is driven to operate, a driven wheel is arranged between the tested wheelset and a partner test wheelset, the tested wheelset drives the driven wheel to rotate through friction force, the driven wheel drives the partner test wheelset to operate through the friction force, a second gearbox is connected with a second shaft coupler, the second shaft coupler is connected with an electric generator, the partner test wheelset drags the electric generator to generate electricity, a shaft box of the partner test wheelset is arranged on an installing seat, a hydraulic system is connected with the installing seat, the installing seat moves in a direction vertical to an axle of the tested wheelset or the partner test wheelset through push of the hydraulic system, and different shaft weights are exerted on the tested wheelset. Two wheelset tests can be carried through replacing the partner test wheelset into another tested wheelset. The locomotive wheelset running test device can realize loading tests on the wheelset of a driving force unit, different work conditions can be simulated through exerting different loads according to requirements, and meanwhile, the loading tests of the gearbox can be met.
Description
Technical field
The utility model relates to a kind of table apparatus of locomotive, especially relates to a kind of being applicable to and carries out the table apparatus of locomotive wheel to the running-in test.
Background technology
Wheel is made up of wheel, axletree, axle box etc. being the vitals of locomotive running gear portion usually.And it is right to being meant the wheel that contains gear case to drive wheels, generally is to link to each other with motor, plays a part to drive.When wheel was tested running-in, it is right that technical scheme is the driven by motor wheel to the running-in testing table for existing locomotive wheel, generally all can't realize no-load running-in test thereby just carry out no load test to wheel to loading.Simultaneously, locomotive wheel is inconsistent to the operating mode in operating condition of test and the actual use, can't satisfy the simulation test consistent with actual condition.Locomotive wheel for drive is right, more can't satisfy the load test of gear case.Testing table also only limits to take turns to the bear vibration under zero load, temperature rise, gear case situation such as leakage of oil whether in the scope that detects, and content of the test is less, and inconsistent with actual condition.Testing table can only once carry out the right test of a chaptrel simultaneously, and efficient is lower.
Therefore; Design a kind of can be to the wheel of drive unit to implementing load test; And can implement different load as required and apply; Simulating the test under the different operating modes, can satisfy locomotive wheel to the load test of gear case simultaneously and the running-in test unit is addressed the aforementioned drawbacks become the technical matters that needs to be resolved hurrily.
The utility model content
The purpose of the utility model provides a kind of locomotive wheel to the running-in test unit; This device can be to the wheel of drive unit to implementing load test; And can implement different load as required and apply, to simulate the test under the different operating modes, can satisfy load test simultaneously to gear case.
The utility model specifically provides the technic relization scheme of a kind of locomotive wheel to the running-in test unit, and a kind of locomotive wheel comprises the running-in test unit: motor, first shaft coupling, try wheel to, engaged wheel, accompany examination to take turns to, hydraulic system, generator, first gear case, second gear case, mount pad and second shaft coupling; To being connected with first gear case, accompanied the examination wheel to being connected with second gear case by the examination wheel, motor links to each other with first gear case through first shaft coupling; Drive by the examination wheel running; By examination wheel to and accompany the examination wheel between engaged wheel is set, try wheel to drive the engaged wheel running through friction force, engaged wheel drives through friction force again accompanies the examination wheel to turning round; Second gear case links to each other with second shaft coupling; Second shaft coupling links to each other with generator, accompanies the examination wheel to the drawing generator generating, accompanies the right axle box of examination wheel to be installed on the mount pad; Hydraulic system is connected with mount pad; Second shaft coupling is the extension type structure, mount pad in the promotion lower edge of hydraulic system perpendicular to by the examination wheel to or accompany the examination wheel that the direction of axletree is moved, to heavy to applying different axles by the examination wheel.
As of the further improvement of a kind of locomotive wheel of above-mentioned the utility model to running-in test unit technical scheme; Locomotive wheel also comprises mounting platform to the running-in test unit; Mounting platform is provided with T type groove; Motor, engaged wheel, hydraulic system, generator, try wheel to accompany examination to take turns each right mount pad all to be installed on the mounting platform through the T type bolt that is installed in the T type groove; Accompany bottom and the bolted position of T type of the right mount pad of examination wheel to have strip hole, try wheel to accompany the examination wheel to through T type groove and T type bolt along taken turns by examination to or accompany the direction of trying to take turns to move to axletree.
As of the further improvement of a kind of locomotive wheel of above-mentioned the utility model to running-in test unit technical scheme, try wheel to, engaged wheel with to accompany the examination wheel parallel or arrange perpendicular to the direction of mounting platform to the edge.
As of the further improvement of a kind of locomotive wheel of above-mentioned the utility model to running-in test unit technical scheme, engaged wheel, try wheel to accompany examination to take turns right central axis to be positioned at same plane.
As the further improvement of a kind of locomotive wheel of above-mentioned the utility model to running-in test unit technical scheme, locomotive wheel also comprises pressure tester to the running-in test unit, and pressure tester is installed in accompanies between examination the wheel right mount pad and hydraulic system.
The utility model also specifically provides the another kind of technic relization scheme of a kind of locomotive wheel to the running-in test unit; A kind of locomotive wheel comprises the running-in test unit: motor, first shaft coupling, first by the examination wheel to, engaged wheel, second by the examination wheel to, hydraulic system, generator, first gear case, second gear case, mount pad, second shaft coupling, motor links to each other with first gear case through first shaft coupling; Drive first and tried wheel running; First by examination wheel to and second by the examination wheel between engaged wheel is set, first by the examination wheel to driving the engaged wheel running through friction force, engaged wheel again through friction force drive second by the examination wheel to running; Second gear case links to each other with second shaft coupling; Second shaft coupling links to each other with generator, and second is tried wheel to the drawing generator generating, and second is taken turns right axle box by examination is installed on the mount pad; Hydraulic system is connected with mount pad; Second shaft coupling is the extension type structure, mount pad in the promotion lower edge of hydraulic system perpendicular to first by the examination wheel to or second moved by the direction of examination wheel to axletree, heavy to applying different axles to first by the examination wheel.
As of the further improvement of the another kind of locomotive wheel of above-mentioned the utility model to running-in test unit technical scheme; Locomotive wheel also comprises mounting platform to the running-in test unit; Mounting platform is provided with T type groove; Motor, engaged wheel, hydraulic system, generator, first all are installed on the mounting platform through the T type bolt that is installed in the T type groove trying each right mount pad of wheel with second quilt by the examination wheel; Second is had strip hole by bottom and the bolted position of T type of the right mount pad of examination wheel, first by the examination wheel to second by the examination wheel to through T type groove and T type bolt along first by the examination wheel to moving with second direction being tried to take turns to axletree.
As of the further improvement of the another kind of locomotive wheel of above-mentioned the utility model to running-in test unit technical scheme, first by the examination wheel to, engaged wheel and second by the examination wheel to along parallel or arrange perpendicular to the direction of mounting platform.
As the further improvement of the another kind of locomotive wheel of above-mentioned the utility model to running-in test unit technical scheme, engaged wheel, first is taken turns being positioned at same plane with second by the right central axis of examination wheel by examination.
As the further improvement of the another kind of locomotive wheel of above-mentioned the utility model to running-in test unit technical scheme, locomotive wheel also comprises pressure tester to the running-in test unit, and pressure tester is installed in second and is tried between the wheel right mount pad and hydraulic system.
Through implementing the technical scheme of a kind of locomotive wheel of above-mentioned the utility model, have following technique effect to the running-in test unit:
(1) can realize wheel load test to gear case during to running-in;
(2) can be to the wheel of drive unit to implementing load test, and implement different load as required and apply, to simulate the test under the different operating modes;
(3) can realize two chaptrels to test simultaneously, efficient significantly improves;
(4) apparatus structure is simple, and cost is low, realizes that function is stronger.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment; To do to introduce simply to the accompanying drawing of required use among the embodiment below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 be the utility model locomotive wheel to a kind of embodiment of running-in test unit omitted mounting platform at the structural representation of overlooking on the direction;
Fig. 2 is that the utility model locomotive wheel is to the structural representation of a kind of embodiment of running-in test unit on main apparent direction;
Fig. 3 is the details enlarged diagram of M part among Fig. 2;
Fig. 4 is the utility model locomotive wheel has omitted the part mount pad to the another kind of embodiment of running-in test unit a structural representation;
Wherein: the 1-motor, 2-first shaft coupling, it is right that 3-is tried to take turns, and 4-engaged wheel, 5-accompany the examination wheel right; The 6-pressure tester, 7-hydraulic system, 8-generator, 9-first gear case, 10-second gear case; The 11-mount pad, 12-second shaft coupling, 13-mounting platform, 14-T type groove; 15-T type bolt, 16-axletree, 17-axle box, 18-strip hole.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is a part of embodiment of the utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Shown in accompanying drawing 1 to accompanying drawing 4, provided the specific embodiment of a kind of locomotive wheel of the utility model to the running-in test unit, below in conjunction with accompanying drawing and specific embodiment the utility model is described further.
As attaches a kind of locomotive wheel shown in Fig. 1 and 2 to the running-in test unit; Comprise: motor 1, first shaft coupling 2, try wheel to 3, engaged wheel 4, accompany that examination is taken turns 5, hydraulic system 7, generator 8, first gear case 9, second gear case 10, mount pad 11 and second shaft coupling 12; Motor 1 links to each other with first gear case 9 through first shaft coupling 2, drives by the examination wheel 3 runnings, try take turns to 5 between engaged wheel 4 is being set to 3 with accompanying by the examination wheel; Driven engaged wheel 4 runnings to 3 through friction force by the examination wheel; Engaged wheel 4 drives through friction force again accompanies the examination wheel to 5 runnings, and second gear case 10 links to each other with second shaft coupling 12, and second shaft coupling 12 links to each other with generator 8; Accompany the examination wheel to 8 generatings of 5 drawing generators; The axle box 17 of accompanying examination to take turns 5 is installed on the mount pad 11, and hydraulic system 7 is connected with mount pad 11, and second shaft coupling 12 is the extension type structure; Mount pad 11 in the promotion lower edge of hydraulic system 7 perpendicular to by the examination wheel to 3 or accompany the examination wheel that the direction of 5 axletrees is moved, heavy to being applied different axles to 3 by the examination wheel.
With shown in the accompanying drawing 3, locomotive wheel further comprises mounting platform 13 to the running-in test unit like accompanying drawing 2, and mounting platform 13 is a cast iron platform, and mounting platform 13 is provided with T type groove 14.Wherein, mount pad has a plurality of, try wheel to 3, accompany that examination is taken turns 5, engaged wheel 4, hydraulic system 7 and motor 1 and generator 8 all be separately installed with mount pad separately.Motor 1, engaged wheel 4, hydraulic system 7, generator 8, try wheel to 3 with accompany the examination wheel that each mount pad of 5 all is installed on the mounting platform 13 through the T type bolts 15 that are installed in the T type groove 14, the bottom of accompanying examination to take turns 5 mount pad 11 has strip hole 18 with the position that T type bolt 15 is connected.When making an experiment, loosen the nut of T type bolt 15, then accompany examination wheel to 5 through strip hole 18 can along perpendicular to by the examination wheel to 3 or accompany the examination wheel that the direction of 5 axletrees is moved.Simultaneously; By examination wheel to 3 with accompany the examination wheel to 5 can be in advance through T type groove 14 and T type bolt 15 along by the examination wheel to 3 or accompany the examination wheel that the direction of 5 axletree 16 is moved and adjust wheelbase; Installation quilt examination wheel is taken turns the running-in test 5 parts such as grade with accompanying to try to take turns 3 then, thereby realizes the adjustment of axletree 16 spacings.The described device of the utility model except the wheel that can do standard gauge (1435mm) to experiment, the wheel that can also make various different gauges simultaneously wherein comprises the right experiment of wheel that gauge is respectively 900,1000,1520,1600,1676 mm to experiment.The T type bolt 15 of the mount pad of fixing each parts can slide along the T type grooves in the mounting platform 13 14, and the wheel that therefore can realize different gauges is to adjustment and fixing, thereby the wheel of realizing different gauges is to experiment.Accompanying drawing 1 is drawn by standard gauge 1435, and is right for the wheel of non-standard gauge, as long as adjust mount pad along the longitudinal direction.
Like accompanying drawing 2 with shown in the accompanying drawing 4, try wheel to 3, further the edge is parallel or arrange perpendicular to the direction of mounting platform 13 to 5 with accompanying the examination wheel for engaged wheel 4, the whole test device is installed on the mounting platform 13 that has a T type groove.Wherein, shown in accompanying drawing 2 is the scheme of two-wheeled to horizontal arrangement, also can be the up and down two-layer arrangement realization identical functions shown in the accompanying drawing 4, is promptly taken turns 5 not on same surface level with accompanying examination 3 by the examination wheel.As in accompanying drawing 4, only show motor 1, try wheel to 3, the mount pad of generator 8, and not shownly accompany that examination is taken turns 5, the mount pad of engaged wheel 4 and hydraulic system 7.Accompany examination wheel to 5, engaged wheel 4 and hydraulic system 7 be all through on prolongation axle separately, installing mount pad additional, be installed in again on the mounting platform 13.Though this kind mode is more saved floor area, it is convenient that installation and debugging all are not so good as preceding kind of mode.
As a kind of preferred implementation, try wheel to 3, engaged wheel 4 and the central axis of accompanying examination to take turns 5 be positioned at same plane.Shown in accompanying drawing 2, motor 1, engaged wheel 4, generator 8, try wheel to 3 with accompany examination to take turns 5 central axis in the direction that is parallel to mounting platform 13 all is in same plane L.Shown in accompanying drawing 4, try wheel to 3, engaged wheel 4 and accompany examination to take turns 5 central axis in the direction perpendicular to mounting platform 13 all is in same plane L.Locomotive wheel further comprises pressure tester 6 to the running-in test unit, and pressure tester 6 is installed in accompanies the examination wheel between 5 the mount pad 11 and hydraulic system 7.
For the technical scheme of two chaptrels to making an experiment simultaneously; Its basic structure form is the same with such scheme, just the right side accompany the examination wheel right, it is right also to change into by the examination wheel; This moment left side be first by the examination wheel to the right side be second right by the examination wheel, promptly two by the examination wheel to making an experiment simultaneously.
The detailed process of test is: after by accompanying drawing 1, accompanying drawing 2 or accompanying drawing 4 each equipment in the test unit being installed; Only need loosen the nut of T type bolt 15; Utilize hydraulic system 7 jack-up hydraulic rams, make top lift reach the important size of asking of axle, intend to realize the axle molality.Actuating motor 1 then; Motor 1 is through first shaft coupling 2, first gear case 9, drives by the examination wheel 3 runnings, try wheel and drives engaged wheel 4 to 3 through friction force and turn round; Engaged wheel 4 drives through friction force again accompanies the examination wheel to 5 runnings; Accompany the examination wheel to 5 drawing generator 8 generatings again, the excitation that changes generator 8 just can change corresponding braking moment, thereby realizes the experiment of different braking moment.
Can find out from accompanying drawing 1; The hydraulic jack of hydraulic system 7 is when jacking, because the axle box 17 of accompanying examination to take turns 5 is mounted on the mount pad that can move horizontally 11, second shaft coupling 12 can stretch simultaneously; Therefore accompany the examination wheel can laterally to move by along continuous straight runs to 5; Can compress engaged wheel 4, take turns 3, realize the simulation that axle is heavy thereby compress by examination.
The described technical scheme of the utility model can realize the wheel of drive unit implementing load test; Not only can be to being taken turns by examination to implementing radial loaded; And can implement different load as required and apply, to simulate the test under the different operating modes, satisfy load test simultaneously to gear case; More can simulate actual condition during test, make test findings more accurate.Can also realize the load test of gear case under two kinds of operating modes of traction and braking through changing the motor sense of rotation.Content of the test is abundanter, and test findings is more consistent with actual condition, and is truer.Test unit both can carry out the right test of a chaptrel, also can carry out the right test of two chaptrels simultaneously, can significantly improve test efficiency.
The above only is the preferred embodiment of the utility model, is not the utility model is done any pro forma restriction.Though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model.Any those of ordinary skill in the art; Do not breaking away under the utility model technical scheme scope situation; All the method for above-mentioned announcement capable of using and technology contents are made many possible changes and modification to the utility model technical scheme, or are revised as the equivalent embodiment of equivalent variations.Therefore; Every content that does not break away from the utility model technical scheme; According to the technical spirit of the utility model to any simple modification that above embodiment did, be equal to replacement, equivalence changes and modify, all still belong in the scope of the utility model technical scheme protection.
Claims (10)
1. a locomotive wheel is to the running-in test unit; It is characterized in that; Comprise: motor (1), first shaft coupling (2), quilt are tried to take turns to (3), engaged wheel (4), accompany the examination wheel to (5), hydraulic system (7), generator (8), first gear case (9), second gear case (10), mount pad (11) and second shaft coupling (12); By the examination wheel (3) are connected with first gear case (9), accompany the examination wheel that (5) are connected with second gear case (10), motor (1) links to each other with first gear case (9) through first shaft coupling (2); Drive by the examination wheel (3) are turned round; (3) being provided with engaged wheel (4) with accompanying the examination wheel between to (5) by examination wheel, try wheel (3) are driven engaged wheel (4) running through friction force, engaged wheel (4) drives to accompany to try to take turns through friction force again (5) is turned round; Second gear case (10) links to each other with second shaft coupling (12); Second shaft coupling (12) links to each other with generator (8), accompanies the examination wheel to (5) drawing generator (8) generating, accompanies the examination wheel that the axle box (17) of (5) is installed on the mount pad (11); Hydraulic system (7) is connected with mount pad (11); Second shaft coupling (12) is the extension type structure, mount pad (11) in the promotion lower edge of hydraulic system (7) perpendicular to by the examination wheel to (3) or accompany the examination wheel that the direction of (5) axletree is moved, heavy to (3) being applied different axles by the examination wheel.
2. a locomotive wheel is to the running-in test unit; It is characterized in that; Comprise: motor (1), first shaft coupling (2), first by the examination wheel to, engaged wheel (4), second by the examination wheel to, hydraulic system (7), generator (8), first gear case (9), second gear case (10), mount pad (11), second shaft coupling (12); First is tried wheel to linking to each other with first gear case (9), and second is tried wheel to linking to each other with second gear case (10), and motor (1) passes through first shaft coupling (2) and links to each other with first gear case (9); Drive first and tried wheel running; First by examination wheel to and second by the examination wheel between engaged wheel (4) is set, first by the examination wheel to driving engaged wheel (4) running through friction force, engaged wheel (4) again through friction force drive second by the examination wheel to running; Second gear case (10) links to each other with second shaft coupling (12); Second shaft coupling (12) links to each other with generator (8), and second is tried wheel to drawing generator (8) generating, and second is taken turns right axle box (17) by examination is installed on the mount pad (11); Hydraulic system (7) is connected with mount pad (11); Second shaft coupling (12) is the extension type structure, mount pad (11) in the promotion lower edge of hydraulic system (7) perpendicular to first by the examination wheel to or second moved by the direction of examination wheel to axletree, heavy to applying different axles to first by the examination wheel.
3. a kind of locomotive wheel according to claim 1 is to the running-in test unit; It is characterized in that: described locomotive wheel also comprises mounting platform (13) to the running-in test unit; Mounting platform (13) is provided with T type groove (14); Motor (1), engaged wheel (4), hydraulic system (7), generator (8), quilt are tried to take turns to (3) and accompany the examination wheel that each mount pad of (5) all is installed on the mounting platform (13) through the T type bolt (15) that is installed in the T type groove (14); Accompany examination wheel that the position that the bottom of the mount pad (11) of (5) is connected with T type bolt (15) is had strip hole (18), try wheel to (3) with accompany the examination wheel to try to take turns to (3) through T type groove (14) and T type bolt (15) edge quilt or accompany the direction of trying to take turns to move (5) axletree to (5).
4. a kind of locomotive wheel according to claim 2 is to the running-in test unit; It is characterized in that: described locomotive wheel also comprises mounting platform (13) to the running-in test unit; Mounting platform (13) is provided with T type groove (14); Motor (1), engaged wheel (4), hydraulic system (7), generator (8), first all are installed on the mounting platform (13) through the T type bolt (15) that is installed in the T type groove (14) trying each right mount pad of wheel with second quilt by the examination wheel; Second position that be connected with T type bolt (15) by the bottom of the right mount pad (11) of examination wheel has strip hole (18), first by the examination wheel to second by the examination wheel to moving along first direction of being taken turns trying to take turns with second quilt to axletree by examination through T type groove (14) and T type bolt (15).
5. a kind of locomotive wheel according to claim 3 is characterized in that the running-in test unit: described by examination wheel to (3), engaged wheel (4) with to accompany the examination wheel parallel or arrange perpendicular to the direction of mounting platform (13) to (5) edge.
6. a kind of locomotive wheel according to claim 4 is characterized in that the running-in test unit: described first is parallel or arrange perpendicular to the direction of mounting platform (13) to the edge by the examination wheel with second to, engaged wheel (4) by examination wheel.
7. a kind of locomotive wheel according to claim 5 is characterized in that the running-in test unit: said engaged wheel (4), quilt are tried to take turns to (3) and accompany the examination wheel that the central axis of (5) is positioned at same plane.
8. a kind of locomotive wheel according to claim 6 is characterized in that the running-in test unit: said engaged wheel (4), first is positioned at same plane by the examination wheel to trying the right central axis of wheel with second quilt.
According to the described a kind of locomotive wheel of arbitrary claim in the claim 1,3,5,7 to the running-in test unit; It is characterized in that: described locomotive wheel also comprises pressure tester (6) to the running-in test unit, and said pressure tester (6) is installed in accompanies between the mount pad (11) and hydraulic system (7) of examination wheel to (5).
According to the described a kind of locomotive wheel of arbitrary claim in the claim 2,4,6,8 to the running-in test unit; It is characterized in that: described locomotive wheel also comprises pressure tester (6) to the running-in test unit, and said pressure tester (6) is installed in second and is tried between the wheel right mount pad (11) and hydraulic system (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204734824U CN202330039U (en) | 2011-11-24 | 2011-11-24 | Locomotive wheelset running test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204734824U CN202330039U (en) | 2011-11-24 | 2011-11-24 | Locomotive wheelset running test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202330039U true CN202330039U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204734824U Expired - Fee Related CN202330039U (en) | 2011-11-24 | 2011-11-24 | Locomotive wheelset running test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202330039U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728144A (en) * | 2013-12-26 | 2014-04-16 | 东北大学 | Test bed of high-speed train wheel set axle box device |
| CN108918144A (en) * | 2018-05-16 | 2018-11-30 | 常州市瑞泰工程机械有限公司 | Axle gear box wheel is to axle box bearing experimental rig |
| CN109765487A (en) * | 2019-03-07 | 2019-05-17 | 上海法雷奥汽车电器系统有限公司 | A kind of motor mechanical back to back test tooling |
| CN113514263A (en) * | 2021-08-19 | 2021-10-19 | 中车大连机车研究所有限公司 | Track wheel pair device |
-
2011
- 2011-11-24 CN CN2011204734824U patent/CN202330039U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728144A (en) * | 2013-12-26 | 2014-04-16 | 东北大学 | Test bed of high-speed train wheel set axle box device |
| CN103728144B (en) * | 2013-12-26 | 2016-01-20 | 东北大学 | Bullet train wheel set axle box device testing table |
| CN108918144A (en) * | 2018-05-16 | 2018-11-30 | 常州市瑞泰工程机械有限公司 | Axle gear box wheel is to axle box bearing experimental rig |
| CN108918144B (en) * | 2018-05-16 | 2020-07-28 | 常州市瑞泰工程机械有限公司 | Axle gear box wheel pair axle box bearing test device |
| CN109765487A (en) * | 2019-03-07 | 2019-05-17 | 上海法雷奥汽车电器系统有限公司 | A kind of motor mechanical back to back test tooling |
| CN113514263A (en) * | 2021-08-19 | 2021-10-19 | 中车大连机车研究所有限公司 | Track wheel pair device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20201124 |