CN217384746U - Routine test mechanism for power shaft bridge of railway vehicle - Google Patents
Routine test mechanism for power shaft bridge of railway vehicle Download PDFInfo
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- CN217384746U CN217384746U CN202221361024.6U CN202221361024U CN217384746U CN 217384746 U CN217384746 U CN 217384746U CN 202221361024 U CN202221361024 U CN 202221361024U CN 217384746 U CN217384746 U CN 217384746U
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- power shaft
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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Abstract
The utility model discloses a routine test mechanism for a power shaft bridge of a railway vehicle, the power shaft bridge is provided with a differential mechanism, the routine test mechanism comprises a test workbench, a driving motor, an accompanying test wheel assembly and two power shaft bridge installation seats, the power shaft bridge installation seats comprise a base, a positioning mandrel arranged at intervals in the front and back direction and a pressing plate positioned on the positioning mandrel, the positioning mandrel can be aligned and inserted into a cylindrical hole of the power shaft bridge for positioning, the pressing plate can compress the power shaft bridge, a driving motor rotating shaft is connected with an input shaft end of the installed power shaft bridge, the accompanying test wheel assembly comprises an accompanying test wheel mechanism arranged in mirror symmetry in the left and right direction and an accompanying test wheel connecting piece connected with the two accompanying test wheel mechanisms, the accompanying test wheel mechanism comprises an accompanying test wheel, a cylinder and an installation seat, the installation seat is used for installing the accompanying test wheel and the cylinder, the cylinder is used for pushing the accompanying test wheel to contact with the power shaft bridge wheel edge assembly, the power shaft bridge debugging device has the advantages of ensuring the delivery quality of the power shaft bridge, ensuring the stable installation of the power shaft bridge, saving the debugging time of the power shaft bridge and the like.
Description
Technical Field
The utility model belongs to the technical field of rail vehicle power axle bridge, concretely relates to routine test mechanism for rail vehicle power axle bridge.
Background
The utility model provides a rail vehicle power axle (take differential mechanism) is installed on the automobile body bottom framework, for the device that the vehicle travel transmission power source, important component on the rail vehicle, along with the development of rail transit trade, the requirement to each side of rail vehicle also improves constantly, according to the routine test standard of rail transit power axle, need to accomplish corresponding routine test after the power axle (take differential mechanism) equipment is accomplished and just can assemble on the rail vehicle, because the power axle is from taking differential mechanism, it is asynchronous when leading to two wheel limits to rotate easily, need the outside to accompany the test wheel and to debug the roll synchronization.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a routine test mechanism for rail vehicle power axle bridge, experimental easy operation, weak point consuming time solve because of the power axle bridge is asynchronous when leading to the both wheels limit rotation from taking differential mechanism, need the outside problem of accompanying the test wheel pair and rolling the synchronization and debugging.
Therefore, the utility model discloses the technical scheme who adopts does: a routine test mechanism for a power shaft axle of a railway vehicle is provided, wherein the power shaft axle is provided with a differential mechanism, and comprises a test workbench, a driving motor, an accompanying test wheel assembly and two power shaft axle mounting seats which are all arranged on the test workbench, the power shaft bridge mounting seat comprises a base, a positioning mandrel arranged at a front-back interval and a pressing plate positioned on the positioning mandrel, the positioning core shaft can be aligned and inserted into the cylindrical hole of the power shaft bridge for positioning, the pressure plate can compress the power shaft bridge, the driving motor rotating shaft is connected with the input shaft end of the installed power shaft bridge, the test assisting wheel assembly comprises test assisting wheel mechanisms which are arranged in a left-right mirror symmetry mode and test assisting wheel connecting pieces which are connected with the two test assisting wheel mechanisms, accompany examination wheel mechanism including accompany examination wheel, cylinder and mount pad, the mount pad is used for installing and accompanies examination wheel and cylinder, the cylinder is used for promoting and accompanies examination wheel and power shaft bridge wheel limit assembly contact.
Preferably, the mounting base comprises a deflection support and a deflection bearing seat, a deflection bearing is mounted at the top of the deflection bearing seat, the bottom of the deflection bearing seat is rotatably mounted on the deflection support, a central shaft of the test accompanying wheel penetrates through the deflection bearing to be in butt joint with a test accompanying wheel connecting piece, the air cylinder is mounted on a rear side plate of the deflection support, the telescopic end penetrates through the deflection support and then is hinged with the deflection bearing seat, when the telescopic end of the air cylinder extends forwards or retracts backwards, the test accompanying wheel is driven by the deflection bearing seat to be in contact with or away from a power shaft axle wheel edge assembly, a joint at the bottom of the deflection bearing seat and the hinged position of the telescopic end of the air cylinder form two rotatable points, the deflection bearing seat provides supporting force for the test accompanying wheel and ensures that the test accompanying wheel moves stably, the structure is strong in flexibility, the adjustable angle range is large, and the structural design is ingenious.
Further preferably, the central shaft lever of the test wheel is connected with the butt joint of the connecting piece of the test wheel through a flange, so that the connection is stable.
Further preferably, test bench is equipped with a plurality of equidistance "T" type grooves side by side, and fixed mounting, simple to operate, easy operation are all accomplished through the vertical bolt that passes "T" type groove up to power axle bridge mount pad, driving motor, accompany the examination wheel assembly.
Further preferably, the test accompanying wheel connecting piece adopts a universal joint coupler, so that the angular compensation capacity is high, the structure is compact, and the transmission efficiency is high.
Further preferably, the rotating shaft of the driving motor is connected with the input shaft end of the mounted power shaft bridge through a universal joint coupler, so that the angular compensation capacity is strong, the structure is compact, and the transmission efficiency is high.
Further preferably, the outer diameter of the positioning mandrel is matched with the inner diameter of the cylindrical hole of the power shaft bridge, the design is reasonable, and positioning failure caused by overlarge gap between the cylindrical hole of the power shaft bridge and the positioning mandrel is avoided.
The utility model has the advantages that:
(1) accompanying the examination wheel assembly and including accompanying the examination wheel mechanism that mirror symmetry set up about and connecting two examination wheel mechanisms's of accompanying the examination wheel connecting piece, accompanying the examination wheel mechanism and including accompanying the examination wheel, cylinder and mount pad, can effectively realize taking differential mechanism's power shaft bridge both wheels limit assembly synchronous rotation, eliminate the influence of differential mechanism to wheel limit assembly in the power shaft bridge, accomplish the routine experiment of power shaft bridge, effectively guarantee the quality of leaving the factory of power shaft bridge, the rotatory asynchronous condition in both wheels limit takes place when stopping the on-the-spot use of power shaft bridge, and structural design is reasonable.
(2) The power shaft bridge mount pad includes the base, the location dabber that the interval set up around and lie in the epaxial clamp plate of location dabber, the location dabber can aim at and insert power shaft bridge cylinder hole department and fix a position, the clamp plate can compress tightly the power shaft bridge, ingenious fix a position with the help of the cylinder hole of power shaft bridge self, rethread clamp plate further compresses tightly fixedly, it is firm to make the installation of power shaft bridge firm, it is convenient quick to replace the power shaft bridge moreover, effectively shorten power shaft bridge installation time.
(3) The cylinder is used for promoting to accompany examination wheel and power shaft axle wheel limit assembly contact, pushes away through the cylinder and can make to accompany examination wheel and apply equal contact force for power shaft axle wheel limit assembly, can the quick contact, keep away from the wheel limit assembly of power shaft axle, practices thrift the debugging time of power shaft axle, reduces the time cost.
(4) Driving motor, accompany examination wheel assembly, two power shaft bridge mount pads and all install on test table, transport convenient and fast.
In conclusion, the power shaft bridge has the advantages of ensuring the delivery quality of the power shaft bridge, stably installing the power shaft bridge, saving the debugging time of the power shaft bridge and the like.
Drawings
Fig. 1 is a schematic structural diagram (with a power shaft bridge installed) of the present invention.
FIG. 2 is a schematic structural diagram of the test wheel mechanism.
Fig. 3 is a schematic structural view of a power shaft bridge mounting seat.
Detailed Description
The invention will be further described by way of examples with reference to the accompanying drawings:
referring to fig. 1-3, a routine test mechanism for a power shaft axle of a railway vehicle, the power shaft axle is provided with a differential mechanism, and the routine test mechanism comprises a test workbench 4, a driving motor 2, an accompanying test wheel assembly 3 and two power shaft axle mounting seats 1, wherein the driving motor 2, the accompanying test wheel assembly 3 and the two power shaft axle mounting seats are all mounted on the test workbench 4.
The power shaft bridge mounting seat 1 is composed of a base 11, a positioning mandrel 12 arranged at a front-back interval and a pressing plate 13 positioned on the positioning mandrel 12.
The positioning mandrel 12 can be aligned to and inserted into the cylindrical hole of the power shaft bridge A for positioning, and the outer diameter of the positioning mandrel 12 is matched with the inner diameter of the cylindrical hole of the power shaft bridge A in size.
The pressure plate 13 can press the power shaft bridge A.
The rotating shaft of the driving motor 2 is connected with the input shaft end of the installed power shaft bridge A, and the rotating shaft of the driving motor 2 is connected with the input shaft end of the installed power shaft bridge A through a universal joint coupler.
The test wheel assembly 3 consists of a test wheel mechanism 31 which is arranged in a left-right mirror symmetry mode and a test wheel connecting piece 32 which connects the two test wheel mechanisms 31,
the test wheel accompanying mechanism 31 is composed of a test wheel accompanying wheel 311, an air cylinder 312 and a mounting seat.
The mounting seat is used for mounting an auxiliary test wheel 311 and an air cylinder 312, and the air cylinder 312 is used for pushing the auxiliary test wheel 311 to be in contact with a wheel edge assembly of the power axle A.
The mount consists of a yaw support 313 and a yaw bearing block 314.
The yaw bearing seat 314 is provided with a yaw bearing 315 at the top and a yaw support 313 at the bottom for rotation.
The central shaft rod of the test assistant wheel 311 penetrates through the deflection bearing 315 to be in butt joint with the test assistant wheel connecting piece 32, and the butt joint of the central shaft rod of the test assistant wheel 311 and the test assistant wheel connecting piece 32 is connected through a flange.
The cylinder 312 is installed on the rear side plate of the deflection support 313, and the telescopic end passes through the deflection support 313 and then is hinged with the deflection bearing seat 314.
When the telescopic end of the cylinder 312 extends forwards or retracts backwards, the deflection bearing seat 314 drives the test wheel 311 to contact with or be away from the wheel side assembly of the power axle A.
The test wheel connecting piece 32 adopts a universal joint coupler.
After the rotating shaft of the driving motor 2 is connected with the input shaft end of the power shaft bridge A through the universal joint coupler, the rotation of the wheel edge assemblies at the two ends of the power shaft bridge A can be realized, and the rotation of the two wheels is asynchronous due to the existence of the differential mechanism.
The deflection bearing seat 314 is synchronously pushed by the telescopic rod of the air cylinder 312, so that the accompanying wheel 311 collides with the wheel side assembly A of the power shaft bridge to enable the two wheel side assemblies to rotate synchronously, and the routine test of the power shaft bridge of the railway vehicle is never completed.
Claims (7)
1. A routine test mechanism for a rail vehicle powered axle, the powered axle having a differential, characterized by: including test table (4) and all install driving motor (2) on test table (4), accompany the examination wheel assembly (3), two power shaft bridge mount pad (1), power shaft bridge mount pad (1) include base (11), location dabber (12) that the front and back interval set up and be located clamp plate (13) on location dabber (12), location dabber (12) can aim at and insert power shaft bridge (A) cylindric lock department and fix a position, clamp plate (13) can compress tightly power shaft bridge (A), driving motor (2) rotation axis is connected with power shaft bridge (A) input shaft end installed, accompany examination wheel assembly (3) including the accompanying examination wheel mechanism (31) that left and right mirror symmetry set up and accompany examination wheel connecting piece (32) of connecting two accompanying examination wheel mechanisms (31), accompany examination wheel mechanism (31) including accompanying examination wheel (311), The device comprises a cylinder (312) and a mounting seat, wherein the mounting seat is used for mounting an auxiliary test wheel (311) and the cylinder (312), and the cylinder (312) is used for pushing the auxiliary test wheel (311) to be in contact with a wheel side assembly of the power shaft bridge (A).
2. The routine testing mechanism for a rail vehicle powered axle according to claim 1, further comprising: the mounting seat comprises a deflection support (313) and a deflection bearing seat (314), a deflection bearing (315) is mounted at the top of the deflection bearing seat (314), the bottom of the deflection bearing seat is rotatably mounted on the deflection support (313), a central shaft rod of the accompanying test wheel (311) penetrates through the deflection bearing (315) to be in butt joint with the accompanying test wheel connecting piece (32), the air cylinder (312) is mounted on a rear side plate of the deflection support (313), the telescopic end of the air cylinder (312) penetrates through the deflection support (313) and then is hinged to the deflection bearing seat (314), and when the telescopic end of the air cylinder (312) extends forwards or retracts backwards, the accompanying test wheel (311) is driven by the deflection bearing seat (314) to be in contact with or far away from a wheel edge assembly of the power shaft bridge (A).
3. The routine testing mechanism for a rail vehicle powered axle according to claim 2, further comprising: the joint of the central shaft lever of the test assistant wheel (311) and the test assistant wheel connecting piece (32) is connected through a flange.
4. The routine testing mechanism for a rail vehicle powered axle according to claim 1, further comprising: test table (4) are equipped with a plurality of equidistance "T" type grooves side by side, and fixed mounting is all accomplished through the vertical bolt that passes "T" type groove up in power axle bridge mount pad (1), driving motor (2), accompany examination wheel assembly (3).
5. The routine testing mechanism for a rail vehicle powered axle according to claim 1, further comprising: the test accompanying wheel connecting piece (32) adopts a universal joint coupler.
6. The routine testing mechanism for a rail vehicle powered axle according to claim 1, further comprising: the rotating shaft of the driving motor (2) is connected with the input shaft end of the installed power shaft bridge (A) through a universal joint coupler.
7. The routine testing mechanism for a rail vehicle powered axle according to claim 1, further comprising: the outer diameter of the positioning mandrel (12) is matched with the inner diameter of the cylindrical hole of the power shaft bridge (A).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221361024.6U CN217384746U (en) | 2022-06-01 | 2022-06-01 | Routine test mechanism for power shaft bridge of railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221361024.6U CN217384746U (en) | 2022-06-01 | 2022-06-01 | Routine test mechanism for power shaft bridge of railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217384746U true CN217384746U (en) | 2022-09-06 |
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ID=83090804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221361024.6U Active CN217384746U (en) | 2022-06-01 | 2022-06-01 | Routine test mechanism for power shaft bridge of railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217384746U (en) |
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2022
- 2022-06-01 CN CN202221361024.6U patent/CN217384746U/en active Active
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