CN218098308U

CN218098308U - Movable multi-applicability locomotive driving device axle box bearing running-in test device

Info

Publication number: CN218098308U
Application number: CN202222630681.2U
Authority: CN
Inventors: 刘玉雷; 杨健; 孙春林; 房平
Original assignee: Tianjin Locomotive Co ltd
Current assignee: Tianjin Locomotive Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2022-12-20
Anticipated expiration: 2032-10-08

Abstract

The utility model provides a portable many suitability locomotive drive arrangement axle box bearing running-in test device, includes support, driving motor, a support section of thick bamboo, temperature sensor, vibration sensor and speed sensor, driving motor connects the dynamic bearing, a support section of thick bamboo is fixed in the position of support upper surface both sides corresponding axle box body both sides lower surface, the upper surface middle part of support has the bearing groove corresponding to the bearing. The utility model discloses can realize accomplishing the detection of axle box bearing at the engineering section, reduce cost of transportation and repair time, only need to dismantle drive arrangement from the locomotive is whole at the engineering section, accomplish bearing change and running-in test at the section, improve trouble part repair efficiency, reduce unnecessary material loss. The utility model discloses simple structure, light, the dismouting of being convenient for, transport.

Description

Movable multi-applicability locomotive driving device axle box bearing running-in test device

Technical Field

The utility model belongs to railway locomotive overhauls the tooling field, specificly relates to a portable many suitability locomotive drive arrangement axle box bearing running-in test device and test method.

Background

The axle box bearing of the locomotive driving device needs to be replaced at a locomotive service section due to bearing temperature rise alarm or vibration alarm, and a running-in test is needed to verify that the bearing is installed correctly after the axle box bearing is replaced, so that the reliable quality of a product is ensured, and the driving safety is further ensured. At present, the running-in test bed of a locomotive driving device is mostly equipment used by a locomotive newly-built and overhaul enterprise, is fixedly installed in a workshop and cannot be moved, and the running-in test bed cannot be widely applied to the running-in test of replacing an axle box bearing at a locomotive service section.

At present, two execution schemes for replacing the axle box bearing are provided:

a) One of the present locomotive drive arrangement axle box bearing changes scheme, returns the drive arrangement behind the axle box bearing trouble locomotive and newly makes or overhaul the unit and accomplish bearing change and running-in test, specific flow: the locomotive finishes the whole getting-off operation of the fault driving device in the locomotive service section → the long-distance transportation of the driving device to an enterprise → the replacement of the axle box bearing → the running-in test is finished by utilizing the existing driving running-in test bed → the long-distance transportation of the driving device to the locomotive service section → the loading operation of the driving device is finished.

b) The second scheme of replacing the axle box bearing of the existing locomotive driving device is that the driving device after the axle box bearing failure completes bearing replacement at the locomotive service section, and the running-in test of the bearing is not carried out, and the specific process is as follows: the locomotive finishes the whole unloading operation of the fault driving device in the locomotive service section → finishes the replacement of the axle box bearing → finishes the loading operation of the driving device.

The disadvantages of the prior art are as follows:

a) The driving device needs to return to a factory for bearing replacement, so that the transportation cost and transportation time of large parts are increased, the waiting time of the locomotive in sections is increased, the time cost and expense cost are high, and the efficiency is low; the drive device needs to discharge the lubricating oil in the transportation process, so that unnecessary material loss is caused.

b) After the drive device is replaced with the failed axle box bearing, no equipment or means is used for detecting and judging the installation quality of the axle box bearing, and the condition that the axle box bearing fails and alarms again due to installation process problems exists, so that secondary disassembly and assembly operation of the axle box bearing is caused, locomotive application is influenced, and potential safety risks are caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem above the long time consuming, with high costs or have risk hidden danger etc. of prior art, the utility model provides a portable many suitability locomotive drive arrangement axle box bearing running-in test device and test method.

The technical scheme of the utility model as follows:

the utility model provides a portable many suitability locomotive drive arrangement axle box bearing running-in test device which characterized in that includes support, driving motor, a support section of thick bamboo, temperature sensor, vibration sensor and speed sensor, driving motor connects the dynamic bearing, a support section of thick bamboo is fixed in the position that support upper surface both sides correspond axle box body both sides lower surface, the upper surface middle part of support has the bearing groove corresponding to the bearing.

Preferably, a pressing wheel is arranged on the belt between the small belt pulley and the large belt pulley.

Preferably, the two sides of the upper surface of the support are provided with transverse guide grooves for fastening the support cylinder.

Preferably, the supporting cylinder is fixed in the transverse guide groove through a fastening bolt penetrating through the shaft box body.

Preferably, the middle part of the support is provided with a groove for placing the driving motor.

The technical effects of the utility model are as follows:

the utility model discloses to each model locomotive drive arrangement structural feature, design portable axle box bearing running-in test device who is applicable to multiple motorcycle type, constitute by parts such as driving motor, big and small belt pulley, pinch roller, support, a support section of thick bamboo, speed sensor, temperature/vibration detection device. The whole driving device is dismounted on the locomotive, after the axle box bearing is replaced, the driving device is integrally hoisted to the support cylinder of the running-in test bed, the driving, the support cylinder and the support seat are connected and fastened preferably through bolts, the large belt pulley is mounted to the bearing, the belt is mounted to the large belt pulley, and the belt is compressed through the compression wheel. After the driving device is installed, a reflecting sticker and a speed measuring device are attached to the vehicle. After the driving motor is electrified, the driving device is driven to rotate through the motor, the belt pulley and the like to reach a certain speed, the rotating speed of the wheel pair is recorded through the speed measuring device, and the temperature and the vibration value are recorded through the temperature and the vibration sensor arranged at the bearing part of the axle box body, so that whether the installation quality of the axle box bearing is qualified or not is judged. The utility model drives the driving device to rotate through the structure of the driving motors, the belt pulleys and the belts on two sides, thereby realizing the quality detection method of the axle box bearing in the running state; the highly integrated design structure of the support comprises a support cylinder, an integrated mounting structure of a drive motor and the support, a belt pinch roller and a support mounting structure, wherein the support cylinder is arranged in a guide groove with an adjustable support mounting position.

1) The utility model discloses can realize accomplishing the detection of axle box bearing at the engineering section, reduce cost of transportation and repair time, only need to accomplish drive arrangement whole dismantlement from the locomotive at the engineering section, accomplish bearing change and running-in test at the section, improve trouble part repair efficiency, reduce unnecessary material loss. The fault axle box bearing of the driving device can be simply and efficiently replaced at a section, the quality reliability of the axle box bearing in the running state can be accurately detected, and the requirements of locomotives of different models can be met through the diversified configuration of the size of the supporting cylinder. Make full use of each part structural space, design formula mounting structure as an organic whole with motor and support, reduce the space and occupy.

2) The utility model discloses simple structure, light, the dismouting of being convenient for, transport.

Drawings

Fig. 1 is an overall assembly schematic diagram of embodiment 1 of the present invention;

fig. 2 is a schematic perspective view of embodiment 1 of the present invention with the driving device and the belt removed;

fig. 3 is a perspective schematic view of the fastening bolt of fig. 1.

Reference numerals:

1-driving a motor; 2-a small belt pulley; 3, a belt; 4-a pinch roller; 5-a large belt pulley; 6-support; 7-a support cylinder; 8, a speed measuring device; 9-reflecting sticker; 10-shaft box body, 11-temperature and vibration sensor, 12-driving device with shaft box, 13-transverse guide groove, 14-fastening bolt and 15-groove.

Detailed Description

For a better understanding of the present invention, the following further explanation is made in conjunction with the accompanying drawings and examples.

Examples

As shown in fig. 1-2, a movable multi-applicability locomotive driving device axle box bearing running-in test device comprises a support 6, a driving motor 1, a supporting cylinder 7, a speed measuring device 8 and a temperature and vibration sensor 11, wherein a groove 15 for placing the driving motor 1 is formed in the middle of the support 6, the driving motor 1 is connected with a small belt pulley 2, the small belt pulley 2 is connected with a large belt pulley 5 for driving a bearing of an axle box driving device 12 through a belt 3, preferably, a pressing wheel 4 is arranged on the belt 3 between the small belt pulley 2 and the large belt pulley 5, and the supporting cylinder 7 is fixed at positions, corresponding to lower surfaces of two sides of an axle box body 10, of two sides of the upper surface of the support 6.

Preferably, the support cylinder 7 is fastened on both sides of the upper surface of the support 6 through a transverse guide groove 13, and the support cylinder 7 is fixed in the transverse guide groove 13 through a fastening bolt 14.

The support 6 suitable for placing the driving device of each vehicle type is designed according to the structure and the size of the components such as wheels, the axle box body 10 and the like of the driving device. The transverse guide groove 13 of the support 6 is used for adjusting the support cylinder 7 left and right according to the distance between the spring seat of the axle box body 10 and the support cylinder 7; the belt pressing wheel 4 is used for pressing the belt after the belt is installed; the drive motor placing groove 15 in the support 6 can reduce the occupied space of the components and can be integrally conveyed to a service section along with the bearing replacing device.

As shown in fig. 3, the supporting cylinder 7 for supporting the axle box of the driving device can be processed into corresponding size according to the size of the axle box of each vehicle type, the corresponding supporting cylinder 7 is installed on the axle box according to the requirement, and the axle box 10 and the supporting cylinder 7 are fastened on the support 6 through the fastening bolt 14, so that the stability of the whole structure in the process of driving and rotating by the motor is ensured.

The speed measuring device 8 and the temperature and vibration sensor 11 are used for detection, and the existing mature products are selected.

The specific experimental method is as follows:

1) Exposing the shaft head threaded hole of the belt shaft box driving device 12, and mounting the large belt pulley 5 on the axle head of the axle;

2) Selecting a proper support cylinder 7 according to the size of the axle box body 10, hoisting the drive device 12 with the axle box to the support cylinder 7 of the support 6, and fastening the axle box body 10, the support cylinder 7 and the support 6 through fastening bolts 14;

3) The belt 3 is arranged on a large belt pulley and a small belt pulley, and the belt is pressed tightly by adjusting the position of the pressing wheel 4, so that the belt is prevented from loosening after being driven to rotate;

4) A white reflecting sticker 9 is stuck on one wheel, and a speed measuring device 8 is installed;

5) A temperature and vibration sensor 11 is arranged on the axle box body 10;

6) After the driving motor 1 is started, the driving device synchronously runs, and the rotating speed, the temperature and the vibration value are recorded in real time through a rotating speed and temperature/vibration recording system;

7) And (4) loading and applying the driving device with qualified temperature rise and vibration detection, and repeating the steps to detect the driving device with unqualified detection after the bearing is installed again.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes and modifications that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The movable multi-applicability locomotive driving device axle box bearing running-in test device is characterized by comprising a support, a driving motor, a supporting cylinder, a temperature sensor, a vibration sensor and a speed measuring device, wherein the driving motor is connected with a movable bearing, the supporting cylinder is fixed at the positions, corresponding to the lower surfaces of the two sides of an axle box body, of the two sides of the upper surface of the support, and a bearing groove corresponding to the bearing is formed in the middle of the upper surface of the support.

2. The apparatus according to claim 1, wherein the driving motor is connected to a small belt pulley, the small belt pulley is connected to a large belt pulley of the driving bearing through a belt, and a compression wheel is arranged on the belt between the small belt pulley and the large belt pulley.

3. The apparatus according to claim 1, wherein the lateral guide grooves for fastening the support cylinder are formed on both sides of the upper surface of the support.

4. The apparatus according to claim 3, wherein the support cylinder is secured in the lateral guide slot by a fastening bolt extending through the axle housing.

5. The apparatus according to claim 1, wherein the support has a recess in the middle for placing the driving motor.