CN213034524U - Axle box bearing location dismouting frock - Google Patents
Axle box bearing location dismouting frock Download PDFInfo
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- CN213034524U CN213034524U CN202021329896.5U CN202021329896U CN213034524U CN 213034524 U CN213034524 U CN 213034524U CN 202021329896 U CN202021329896 U CN 202021329896U CN 213034524 U CN213034524 U CN 213034524U
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- control box
- base
- axle box
- heater
- bearing
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Abstract
The utility model discloses an axle box bearing location dismouting frock, the on-line screen storage device comprises a base, the bottom of base is provided with the crane, the base is improved level and is provided with the hydraulic telescoping shaft, the hydraulic telescoping shaft is connected with the shaft joint, be provided with the connecting plate on the hydraulic telescoping shaft, the connecting plate is connected with inner circle through the connecting rod and dismantles the baffle, the below of connecting rod is provided with the heater layer board, be provided with the inner circle heater on the heater layer board. The utility model discloses be provided with temperature control box and inner circle heater to the demand of EA4T material bearing to the temperature, the temperature control box has that heating efficiency is high, the heating difference in temperature is little and the technical characterstic that the operating personnel of being convenient for used, in the production work of reality, can accomplish bearing heating operation in 1 minute, has avoided axle journal department mar to appear.
Description
Technical Field
The utility model relates to a train machinery walks capable portion field, particularly, relates to an axle box bearing location dismouting frock.
Background
The axle box bearing used by the subway train is an imported RCC (radial bearing control) complete double-row cylindrical roller bearing, and a self-sealing mechanism is adopted, so that compared with the original bearing form, the self-sealing mechanism has the advantages of long maintenance period and convenience in maintenance, installation and maintenance. In order to ensure the safe use of the RCC bearing, the relevant maintenance operation must be carried out by strictly complying with the bearing instruction manual and the maintenance process standard.
The axle box bearing is an important component of a mechanical running gear of the metro vehicle and bears forces from multiple directions such as traction force, braking force and the like when the vehicle runs. When the operating mileage of the vehicle reaches 75 kilometers, the shaft box body is sanded and detected, and the whole part of the bearing is replaced according to a maintenance manual and the requirements of the vehicle maintenance process. When the actual maintenance operation is carried out in the initial stage, because of the environmental restriction of operation place, and the maintenance process requirement is rigorous, current axle box bearing dismouting frock is in operation process, at present, in the circuit of Beijing subway operation, what some train model axletree adopted is EA4T material, and this kind of material when carrying out the dismantlement operation under normal atmospheric temperature state, easily leads to axle journal department to appear the mar (the axle journal fish tail probability is about 70.3% ~ 75.5%), leads to needing to spend extra man-hour to restore the axle journal mar. The accident not only increases the working hour consumption, but also increases the maintenance cost because the axle needs to be replaced when the scratch is serious.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model provides an axle box bearing location dismouting frock can solve above-mentioned problem.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides an axle box bearing location dismouting frock, includes the base, the bottom of base is provided with the crane, the base is improved level and is provided with the hydraulic telescoping shaft, the hydraulic telescoping shaft is connected with the shaft coupling, be provided with the connecting plate on the hydraulic telescoping shaft, the connecting plate is connected with inner circle through the connecting rod and dismantles the baffle, the below of connecting rod is provided with the heater layer board, be provided with the inner circle heater on the heater layer board.
Furthermore, the bottom of the lifting frame is provided with a roller.
Furthermore, a temperature control box is arranged on the base and electrically connected with the inner ring heater.
Furthermore, a lifting control box is arranged on the base and electrically connected with the lifting frame.
Furthermore, a hydraulic unit control box is arranged on the base and connected with the hydraulic telescopic shaft.
Furthermore, a temperature display screen is arranged on the temperature control box.
Further, a temperature sensor is integrated on the inner ring heater.
The utility model has the advantages that: the utility model discloses be provided with temperature control box and inner circle heater to the demand of EA4T material bearing to the temperature, the temperature control box has that heating efficiency is high, the heating difference in temperature is little and the technical characterstic that the operating personnel of being convenient for used, in the production work of reality, can accomplish bearing heating operation in 1 minute, has avoided axle journal department mar to appear. The temperature control box can be set to the required heating temperature according to the maintenance process requirements, and the heating speed can also be controlled through the power adjusting knob.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of an axle box bearing positioning and dismounting tool;
FIG. 2 is a top view of the axle box bearing positioning and dismounting tool;
FIG. 3 is a side view of the axle box bearing positioning and dismounting tool;
FIG. 4 is a front view of one embodiment of an axle housing bearing positioning and removal tool;
FIG. 5 is a top view of one embodiment of an axlebox bearing positioning and removal tool.
In the figure: 1. the automatic temperature control device comprises a base, 2 parts of a lifting frame, 3 parts of a hydraulic telescopic shaft, 4 parts of a coupling, 5 parts of a connecting plate, 6 parts of an inner ring dismounting baffle, 7 parts of a heater supporting plate, 8 parts of an inner ring heater, 9 parts of a lifting control box, 10 parts of a hydraulic unit control box, 11 parts of a temperature display screen, 12 parts of a connecting rod and 13 parts of a temperature control box.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
As shown in fig. 1-5, according to the embodiment of the utility model provides an axle box bearing location dismouting frock, including base 1, base 1's bottom is provided with crane 2, base 1 is improved level and is provided with hydraulic stretching shaft 3, hydraulic stretching shaft 3 is connected with shaft coupling 4, be provided with connecting plate 5 on the hydraulic stretching shaft 3, connecting plate 5 is connected with inner circle dismantlement baffle 6 through connecting rod 12, the below of connecting rod 5 is provided with heater layer board 7, be provided with inner circle heater 8 on the heater layer board 7.
In a specific embodiment of the present invention, the crane 2 is provided with a roller at the bottom.
In a specific embodiment of the present invention, a temperature control box 13 is disposed on the base 1, and the temperature control box 13 is electrically connected to the inner ring heater 8.
In a specific embodiment of the present invention, the base 1 is provided with a lifting control box 9, and the lifting control box 9 is electrically connected to the lifting frame 2.
In a specific embodiment of the present invention, the base 1 is provided with a hydraulic unit control box 10, and the hydraulic unit control box 10 is connected to the hydraulic telescopic shaft 3.
In a specific embodiment of the present invention, the temperature control box 13 is provided with a temperature display screen 11.
In a specific embodiment of the present invention, a temperature sensor is integrated on the inner ring heater 8.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.
When specifically using, according to the utility model discloses an axle box bearing location dismouting frock, this frock is in order to realize the commonality to the different models of subway train, so added one set of device that can carry out the bearing heating, can provide that the rate of heating is fast, heating efficiency is high, the little heating device of heating error when satisfying conventional material installation location, guarantee EA4T material bearing also can change the general type frock of operation.
The subway vehicles used in the Beijing railway transportation operation network mostly adopt integral steel grinding wheels with the new wheel diameter of 840mm, and simultaneously, a small number of steel grinding wheels are matched with axles made of EA4T materials to serve as the basis of wheel pairs. Under the design demand that satisfies conventional mill steel wheel installation and dismantlement, the redundant volume of the internal diameter that heating device possessed is enough to guarantee to match different manufacturers's each type axle box bearing, therefore this frock has possessed the commonality of design demand.
Before the tool is used for disassembling the bearing of the axle box, the axle box needs to be taken down from the axle journal in advance, and when the disassembling process begins, only the bearing inner ring and the dustproof check ring are left on the axle journal. Connecting the connecting rod 12 with the four mounting holes of the inner ring dismounting baffle 6, connecting the inner ring dismounting baffle 6 with the four connecting holes of the hydraulic telescopic shaft 3, and fastening nuts. Then, the height of the tool is adjusted by using the lifting control box 9, the inner ring dismounting baffle 6 is just above the dustproof check ring, the inner ring dismounting baffle 6 falls down after the position is confirmed to be correct, the inner ring dismounting baffle 6 is just behind the dustproof check ring, the heating device 14 is placed on the inner ring of the bearing, and the temperature measuring probe is placed at the inner ring of the bearing. And then the coupling 4 is connected with the hydraulic telescopic shaft 3, the heating temperature is set to 140 ℃ by using the temperature control box 13, the inner ring heater 8 is used for heating the bearing inner ring, the inner ring heater 8 is automatically stopped after the preset temperature is reached, and the inner ring heater 8 is moved backwards and removed. At this time, the hydraulic unit control box 10 is swung to the disassembly position to perform the disassembly work. When the disassembly operation is completed, the journal surface is checked for normality. And after the inspection confirms that no error exists, the axle box bearing is disassembled.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an axle box bearing location dismouting frock, includes base (1), its characterized in that, the bottom of base (1) is provided with crane (2), base (1) is improved level and is provided with hydraulic telescoping shaft (3), hydraulic telescoping shaft (3) are connected with shaft coupling (4), be provided with connecting plate (5) on hydraulic telescoping shaft (3), connecting plate (5) are connected with inner circle through connecting rod (12) and dismantle baffle (6), the below of connecting plate (5) is provided with heater layer board (7), be provided with inner circle heater (8) on heater layer board (7).
2. The axle box bearing positioning, dismounting and mounting tool according to claim 1, wherein rollers are arranged at the bottom of the lifting frame (2).
3. The axle box bearing positioning, dismounting and mounting tool according to claim 1, wherein a temperature control box (13) is arranged on the base (1), and the temperature control box (13) is electrically connected with the inner ring heater (8).
4. The axle box bearing positioning, dismounting and mounting tool according to claim 1, wherein a lifting control box (9) is arranged on the base (1), and the lifting control box (9) is electrically connected with the lifting frame (2).
5. The axle box bearing positioning, dismounting and mounting tool according to claim 1, wherein a hydraulic unit control box (10) is arranged on the base (1), and the hydraulic unit control box (10) is connected with the hydraulic telescopic shaft (3).
6. The axle box bearing positioning, dismounting and mounting tool according to claim 3, wherein a temperature display screen (11) is arranged on the temperature control box (13).
7. Axle box bearing positioning disassembly and assembly tool according to claim 1, characterized in that a temperature sensor is integrated on the inner ring heater (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021329896.5U CN213034524U (en) | 2020-07-09 | 2020-07-09 | Axle box bearing location dismouting frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021329896.5U CN213034524U (en) | 2020-07-09 | 2020-07-09 | Axle box bearing location dismouting frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213034524U true CN213034524U (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021329896.5U Active CN213034524U (en) | 2020-07-09 | 2020-07-09 | Axle box bearing location dismouting frock |
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| Country | Link |
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| CN (1) | CN213034524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111843918A (en) * | 2020-07-09 | 2020-10-30 | 北京市地铁运营有限公司运营四分公司 | Bearing box positioning, dismounting and mounting tool |
-
2020
- 2020-07-09 CN CN202021329896.5U patent/CN213034524U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111843918A (en) * | 2020-07-09 | 2020-10-30 | 北京市地铁运营有限公司运营四分公司 | Bearing box positioning, dismounting and mounting tool |
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