CN217620065U

CN217620065U - Axle support device for train gearbox no-load test stand

Info

Publication number: CN217620065U
Application number: CN202123236953.2U
Authority: CN
Inventors: 徐驰
Original assignee: Chenglu Chongqing Intelligent Rail Transit Equipment Manufacturing Co ltd
Current assignee: Chenglu Chongqing Intelligent Rail Transit Equipment Manufacturing Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-10-21
Anticipated expiration: 2031-12-22

Abstract

The utility model relates to a mechanical engineering technical field specifically discloses a train gear box is axle strutting arrangement for empty test platform, including brace table and the installation piece of symmetry rigid coupling on the brace table, rotate between the installation piece and be connected with double-end screw, the last symmetric thread of double-end screw is connected with the supporting seat, one side that the supporting seat is relative all rotates and is connected with the ring flange, and the ring flange all can be dismantled and be connected with and carry out the connector fixed to the axletree, and the rigid coupling has a plurality of spacing on the brace table, and the supporting seat bottom surface is equipped with the spacing arch with spacing adaptation, has solved traditional strutting arrangement and is not convenient for carry out the problem of clamping fast according to axletree length.

Description

Axle support device for train gearbox no-load test stand

Technical Field

The application relates to the technical field of mechanical engineering, and particularly discloses a shaft supporting device for a train gear box no-load test bed.

Background

At present, because China implements a policy of railway great speed increase, the running speed of railway vehicles in China is greatly increased, which also drives the rapid development of high-speed train set technology, the highest speed of the high-speed train set which is currently running reaches 350km/h, and the highest speed of the high-speed train set which is newly developed exceeds 600km/h. However, the vibration between the vehicle and the track is intensified due to the improvement of the running speed of the train and the increase of the axle load of the vehicle, and the problems of the safety and the stability of the running of the vehicle are obvious. The traction transmission gear box, which is one of the important parts of the high-speed railway vehicle bogie, is responsible for transmitting the power of a train to a wheel set, and the performance of the traction transmission gear box directly influences the performance of the bogie and even the whole train. Therefore, the axle for the no-load test of the train gearbox becomes a key point of a high-speed train group maintenance technology, the axle needs to be firstly supported and clamped, generally, the axle is heated through a sleeve and clamped through interference connection, the axle shaft neck is easy to damage and difficult to detach in the mode, the length of each group of axles is different, the axle cannot be rapidly clamped according to the length of the axle, the clamping is difficult, time and labor are wasted, and therefore the axle support device for the no-load test table of the train gearbox is provided for the inventor, so that the problems are solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve traditional train gear box no-load test platform's strutting arrangement is not convenient for carry out the problem of clamping fast according to axletree length.

In order to achieve the purpose, the utility model discloses a basic scheme provides a train gear box is axle strutting arrangement for empty test platform, including brace table and the installation piece of symmetry rigid coupling on the brace table, it is connected with double-end screw to rotate between the installation piece, and the one end of double-end screw stretches out installation piece rigid coupling and has the turning handle, and symmetrical threaded connection has the supporting seat on the double-end screw, and one side that the supporting seat is relative all rotates and is connected with the ring flange, and the ring flange all can be dismantled and be connected with the connector that carries out the fixing to the axletree, and the rigid coupling has a plurality of spacing, the supporting seat bottom surface be equipped with the spacing arch of spacing adaptation.

The principle and effect of this basic scheme lie in:

1. the utility model discloses be equipped with double threaded screw, supporting seat and turning handle etc. through rotating the turning handle, the turning handle rotates and drives double threaded screw and rotate and then drive the supporting seat and remove on double threaded screw, can reach when the supporting seat is close to each other and carry out the effect that presss from both sides tightly to the axletree, and when the supporting seat was kept away from each other, the axletree can be taken out fast.

2. The utility model discloses be equipped with spacing and spacing arch, spacing and spacing arch can play spacing effect to the supporting seat, prevent that the supporting seat from taking place to rotate under double-end screw pivoted effect, improve the stationarity of supporting seat clamping.

3. The utility model discloses be equipped with connector and ring flange, the connector can be changed according to not unidimensional axletree, and the ring flange plays the effect of connecting supporting seat and connector.

Compared with the prior art, the utility model discloses a rotate double-end screw and adjust the supporting seat, the supporting seat is close to each other and keeps away from and carries out the centre gripping to the axletree and take out, can realize carrying out the clamping according to the axletree of difference fast, and simple structure, practicality are strong, have solved traditional train gear box empty test platform's strutting arrangement and have not been convenient for carry out the problem of clamping fast according to axletree length.

Furthermore, the supporting seat comprises a base and an end cover, the base is in threaded connection with the double-threaded screw, the end cover is arranged on the base, an arc groove is formed in the upper surface of the base, and the end cover, the cylindrical roller bearing, the bearing sheet and the positioning block are arranged in the arc groove. Through setting up cylindrical roller bearing, bearing piece and locating piece be convenient for the axletree and rotate in the supporting seat, reduce the axletree and receive the friction of supporting seat.

Furthermore, an oil pool is arranged on the lowest surface of the arc-shaped groove, and an oil filling opening capable of filling oil into the arc-shaped groove is arranged above the end cover. Oiling of the oiling port plays a role in lubrication, the oil pool can collect oil, and the oil is prevented from flowing out to pollute the environment.

Furthermore, a groove is formed in the connector, a gasket is connected in the groove in a sliding mode, a spring is arranged between the gasket and the bottom of the groove, and a pin key for preventing the axle from rotating is arranged in the groove. Prevent that axletree and connector from rotating through setting up the key, spring and gasket play the effect of buffering in the installation, avoid haring the axle journal of axletree.

Furthermore, the rigid coupling of brace table upper surface has the stopper, and the stopper rotates with the double-threaded screw to be connected, and stopper top threaded connection has the knob that can carry out the fixing to the double-threaded screw. Play spacing effect through setting up the stopper, the knob rotates and to press from both sides tightly double-end screw, prevents that double-end screw from rotating.

Furthermore, a supporting plate is fixedly connected to the supporting table, a motor is fixedly connected to the supporting plate, and an output shaft of the motor is fixedly connected with the flange plate. The supporting plate is arranged on the supporting table, and the motor is arranged on the supporting plate, so that the axle rotation is convenient to test, and the power device is provided.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 shows a schematic structural diagram of a shaft support device for a train gearbox no-load test stand, which is provided by the embodiment of the application;

FIG. 2 shows an exploded schematic view of a supporting seat of a shaft supporting device for a no-load test stand of a train gearbox, which is provided by the embodiment of the application;

FIG. 3 is a schematic view showing a base structure of a shaft supporting device for a no-load test stand of a train gearbox, which is provided by the embodiment of the application;

fig. 4 shows a half-sectional view of a connecting head of a shaft supporting device for a train gearbox no-load test stand according to an embodiment of the application.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: the device comprises a support table 1, a mounting block 2, a double-threaded screw 3, a support seat 4, a base 401, an end cover 402, a dust cap 403, a cylindrical roller bearing 404, a positioning block 405, an oil filling port 406, an oil pool 407, a flange plate 5, a connector 6, a gasket 601, a spring 602, a pin key 603, a limiting strip 7 and an axle 8.

A train gearbox no-load test platform axle support device comprises the following embodiments: the automobile axle fixing device comprises a supporting table 1 and an installation block 2 which is symmetrically and fixedly connected to the supporting table 1, a double-headed screw 3 is rotatably connected between the installation blocks 2, the right end of the double-headed screw 3 extends out of a rotary handle fixedly connected with the installation block 2, a supporting seat 4 is symmetrically and threadedly connected to the double-headed screw 3, as shown in fig. 2 and fig. 3, the supporting seat 4 comprises a base 401 which is in threaded connection with the double-headed screw 3 and an end cover 402 which is arranged on the base 401, the end cover 402 is in threaded connection with the base 401 through bolts and threads, an arc-shaped groove is formed in the upper surface of the base 401, an oil pool 407 is arranged at the lowest surface of the arc-shaped groove, an oil filling port 406 which can fill oil into the arc-shaped groove is arranged above the end cover 402, a dust cover 403 is arranged in the arc-shaped groove, a cylindrical roller bearing 404, a bearing sheet and a positioning block 405 are arranged on one side, which is opposite to the supporting seat 4, a flange 5 is detachably connected with a gasket 6 which can fix an axle 8, as shown in fig. 4, a groove is arranged in the connecting head 6, a gasket 601 is arranged in the groove is arranged in the connecting head 6, a groove, a gasket 601 is arranged in the groove, a spring 602 is arranged between the gasket 601 and the bottom of the groove, and the groove is arranged in the groove, and a pin key 603 which can prevent the axle 8 is arranged in the groove.

As shown in fig. 1, a fixed surface is connected with the stopper on supporting bench 1, the stopper is located double-threaded screw 3's centre, the stopper rotates with double-threaded screw 3 to be connected, stopper top threaded connection has the knob that can fix double-threaded screw 3, two sets of spacing 7 of fixedly connected with on supporting bench 1, 4 bottom surfaces of supporting seats are equipped with the spacing arch with 7 sliding connection of spacing, fixedly connected with backup pad on 4 supporting seats on right side, fixedly connected with motor in the backup pad, the output shaft and the 5 fixed connection of ring flange of motor.

The utility model discloses in the implementation process, through clockwise rotation turning handle, the turning handle rotates and drives screw rod clockwise rotation, and then drive supporting seat 4 and remove to both sides, supporting seat 4 keeps away from each other, drive ring flange 5 and connector 6 and keep away from each other simultaneously when supporting seat 4 is kept away from, stretch into in left connector 6 with axletree 8's left end, carry on spacingly through round pin key 603 to axletree 8, slow anticlockwise turning handle, the handle rotates and drives supporting seat 4 and slide, supporting seat 4 is close to each other, the in-process that supporting seat 4 is close to each other stretches into in connector 6 on right side with axletree 8's right-hand member, it is spacing to carry out through the round pin axle, make axletree 8's both ends complete card go into the handle that stops behind connector 6, forward tighten the knob on the stopper, fix double-end screw 3, the starter motor, carry out empty test to the stress that receives axletree 8, after the empty test is accomplished, close the motor, through reverse twisting knob, double-end screw 3 is no longer restricted, double-end screw 3 can rotate the handle, clockwise rotation drives double-end screw 3 and rotate, axle 3 keeps away from each other, it is kept away from each other, the problem of traditional supporting seat 8 to accomplish, the simple structure, the practicality is strong according to the supporting seat of having solved the supporting seat of the practicality.

Compared with the prior art, the utility model discloses a rotating double-end screw 3 and adjusting supporting seat 4, supporting seat 4 is close to each other and keeps away from and carries out the centre gripping and take out axletree 8, can realize carrying out the clamping according to axletree 8 of difference fast, and simple structure, practicality are strong, have solved traditional train gear box no-load test platform's strutting arrangement and have not been convenient for carry out the problem of clamping fast according to axletree 8 length.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a train gear box is axle strutting arrangement for no-load test platform which characterized in that: including brace table and the installation piece of symmetry rigid coupling on the brace table, it is connected with double threaded screw to rotate between the installation piece, and double threaded screw's one end is stretched out installation piece rigid coupling and is had the turning handle, and the last symmetrical threaded connection of double threaded screw has a supporting seat, and one side that the supporting seat is relative all rotates and is connected with the ring flange, and the ring flange all can be dismantled and be connected with and carry out the connector fixed to the axletree, and the rigid coupling has a plurality of spacing on the brace table, and the supporting seat bottom surface is equipped with the spacing arch with spacing adaptation.

2. The axle supporting device for the no-load test bed of the train gearbox as recited in claim 1, wherein the supporting seat comprises a base connected with the double-threaded screw in a threaded manner and an end cover arranged on the base, an arc-shaped groove is formed on the upper surface of the base, and a dust cap, a cylindrical roller bearing, a bearing sheet and a positioning block are arranged in the arc-shaped groove.

3. The axle support device for the no-load test bed of the train gearbox as recited in claim 2, wherein an oil pool is arranged on the lowest surface of the arc-shaped groove, and an oil filling opening capable of filling oil into the arc-shaped groove is arranged above the end cover.

4. The axle supporting device for the no-load test bed of the train gearbox as recited in claim 1, wherein a groove is formed in the connector, a gasket is slidably connected in the groove, a spring is arranged between the gasket and the bottom of the groove, and a pin key for preventing the axle from rotating is arranged in the groove.

5. The axle supporting device for the train gearbox no-load test bed as recited in claim 1, wherein a limiting block is fixedly connected to the upper surface of the support platform, the limiting block is rotatably connected to the double-threaded screw, and a knob capable of fixing the double-threaded screw is connected to the top end of the limiting block through a thread.

6. The axle supporting device for the no-load test bed of the train gearbox according to any one of claims 1 to 5, wherein a supporting plate is fixedly connected to the supporting table, a motor is fixedly connected to the supporting plate, and an output shaft of the motor is fixedly connected to the flange.