CN210451686U - Dismantle deep groove ball bearing device - Google Patents
Dismantle deep groove ball bearing device Download PDFInfo
- Publication number
- CN210451686U CN210451686U CN201920325986.8U CN201920325986U CN210451686U CN 210451686 U CN210451686 U CN 210451686U CN 201920325986 U CN201920325986 U CN 201920325986U CN 210451686 U CN210451686 U CN 210451686U
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- CN
- China
- Prior art keywords
- telescopic rod
- pull rod
- deep groove
- groove ball
- ball bearing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000006872 improvement Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model discloses a device for disassembling deep groove ball bearings, which comprises a frame, wherein a disassembling device and a bearing fixing mechanism are arranged in the frame, the disassembling device comprises a hydraulic cylinder, the hydraulic cylinder drives a telescopic rod, the bottom end of the telescopic rod is fixedly connected with a pull rod, one end of the pull rod, which is close to the telescopic rod, is provided with a rotating shaft, and the rotating shaft enables the pull rod to be capable of upwards overturning when meeting resistance; the bearing fixing mechanism comprises a support frame, a spring with one end connected with the rack is arranged above the support frame, the other end of the spring is fixedly connected with an inclined block, and the spring forces the inclined block to move towards the direction close to one end of the telescopic rod; the utility model discloses simple structure is reliable, and is with low costs, can be applicable to various deep groove ball bearings.
Description
Technical Field
The utility model relates to a bearing frame production facility field, concretely relates to dismantle deep groove ball bearing device.
Background
According to the technical specification of subway traction motor maintenance, the subway traction motor needs to be returned to a factory for maintenance after operating for 50-60 kilometers, and bearings at two ends need to be disassembled in the motor maintenance process to detect the bearings. The deep groove ball bearing consists of an inner ring, a retainer, an outer ring and a rolling body, wherein the size of the bearing outer ring and the size of a bearing chamber are in transition fit, so that how to realize reliable, safe, efficient and nondestructive separation of the bearing from the bearing chamber is a problem which needs to be solved in the bearing maintenance technology.
In the process of bearing disassembly during subway traction motor maintenance at the present stage, the deep groove ball bearing disassembling device is completed by using a circular chassis with the help of a hydraulic pull rod device, and the method has the following defects: the existing deep groove ball bearing dismounting device is inconvenient in assembling operation process, time-consuming and labor-consuming, the positioning of the chassis is limited by sight, once the bearing is extremely easy to damage due to deviation in positioning, the bearing is scrapped, and the overhauling cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a dismantle deep groove ball bearing device, there is the quality control degree of difficulty height, inefficiency, poor stability one-level among the solution prior art and dismantles easy damage scheduling problem.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a deep groove ball bearing dismounting device comprises a rack, wherein a dismounting device and a bearing fixing mechanism are arranged in the rack, the dismounting device comprises a hydraulic cylinder, the hydraulic cylinder drives a telescopic rod, the bottom end of the telescopic rod is fixedly connected with a pull rod, one end of the pull rod, which is close to the telescopic rod, is provided with a rotating shaft, and the rotating shaft enables the pull rod to be capable of upwards overturning when encountering resistance; the bearing fixing mechanism comprises a fixing frame, a spring with one end connected with the rack is arranged above the fixing frame, an inclined block is fixedly connected to the other end of the spring, and the spring forces the inclined block to move towards the direction close to one end of the telescopic rod.
As an improvement, one end of the pull rod, which is close to the telescopic rod, is provided with a one-way clamping seat, so that the pull rod and the telescopic rod cannot be turned downwards when being 90 degrees.
As an improvement, the fixing frame is provided with an annular groove, and the size of the annular groove is consistent with the size of the outer diameter of the outer ring of the deep groove ball bearing.
As an improvement, a round hole is formed in the center of the fixing frame, and the size of the round hole is consistent with the outer diameter of the inner ring of the deep groove ball bearing.
As an improvement, the total length of the telescopic rod is larger than the distance from the hydraulic cylinder to the fixed frame.
As an improvement, the bottom end of the telescopic rod is fixedly connected with a plurality of pull rods.
As an improvement, the fixing frame is made of stainless steel.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses a antifriction bearing is fixed to the mount, drives the telescopic link with the pneumatic cylinder simultaneously for pull rod pulling antifriction bearing inner circle on the telescopic link accomplishes the dismantlement, this device simple structure, convenient operation has improved work efficiency greatly.
2. The pull rod and the telescopic rod can only rotate anticlockwise when being 90 degrees, so that the pull rod can pass through the bearing inner ring and can not influence the disassembly of the bearing inner ring at the same time.
3. The ring channel of mount upside can fix deep groove ball bearing, and the sloping block of upside can support the ball simultaneously for only dismantle the inner circle when the pull rod is dismantled the bearing inner circle.
4. The center of the fixing frame is provided with a round hole, so that the inner ring of the bearing can be just pulled by the pull rod to be detached.
5. The length of the telescopic rod enables the pull rod to be arranged on the lower side of the bearing inner ring in a 90-degree mode with the telescopic rod.
6. The number of the pull rods can be adjusted according to the disassembly difficulty, so that the disassembly is more convenient and simpler.
7. The mount is used for fixing bearing, and its material adopts the stainless steel can avoid rustting the fixed influence of bearing, improves the life of device simultaneously.
Drawings
Fig. 1 is a sectional view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a deep groove ball bearing when the deep groove ball bearing is placed in a fixing frame;
FIG. 3 is a schematic view of the structure of the pull rod moving downward through the inner race of the bearing;
FIG. 4 is a schematic structural view of a pull rod arranged below a bearing inner ring;
fig. 5 is a top view of a deep groove ball bearing.
The names of the parts corresponding to the respective reference numerals are: the device comprises a rack 1, a fixed frame 11, a hydraulic cylinder 2, a telescopic rod 3, a pull rod 4, an inclined block 5, a spring 6, an outer ring 7, an inner ring 8, balls 9 and a retainer 91.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
The utility model comprises a frame 1, wherein a dismounting device and a bearing fixing mechanism are arranged in the frame 1, the dismounting device comprises a hydraulic cylinder 2, the hydraulic cylinder 2 drives a telescopic rod 3, the bottom end of the telescopic rod 3 is fixedly connected with a pull rod 4, one end of the pull rod 4 close to the telescopic rod 3 is provided with a rotating shaft, and the rotating shaft enables the pull rod 4 to be capable of turning upwards when encountering resistance; the bearing fixing mechanism comprises a fixing frame 11, a spring 6 with one end connected with the rack 1 is arranged above the fixing frame 11, the other end of the spring 6 is fixedly connected with an inclined block 5, and the spring 6 forces the inclined block 6 to move towards the direction close to one end of the telescopic rod 3.
Specifically, one end of the pull rod 4, which is close to the telescopic rod 3, is provided with a one-way clamping seat, so that the pull rod 4 and the telescopic rod 3 cannot be turned downwards when being 90 degrees.
Specifically, the fixing frame 11 is provided with an annular groove, and the size of the annular groove is consistent with the size of the outer diameter of the deep groove ball bearing outer ring 7.
Specifically, a round hole is formed in the center of the fixing frame 11, and the size of the round hole is consistent with the outer diameter of the inner ring 8 of the deep groove ball bearing.
Specifically, the total length of the telescopic rod 3 is greater than the distance from the hydraulic cylinder 2 to the fixed frame 11.
Specifically, a plurality of pull rods 4 are fixedly connected to the bottom ends of the telescopic rods 4.
Specifically, the fixing frame 11 is made of stainless steel.
When the deep groove ball bearing needs to be disassembled, the bearing outer ring 7 is horizontally placed above the inclined block 5, and then the inclined block 5 is pressed downwards with force, so that the inclined block 5 is forced by the bearing to compress the spring 6 to move towards two sides until the bearing outer ring 7 is placed above the fixing frame 11 to be fixed as shown in fig. 2.
Starting hydraulic cylinder 2 this moment, hydraulic stem 2 makes telescopic link 3 extend, as shown in fig. 3, pull rod 4 receives the effort of bearing inner circle 8 and makes pull rod 4 upwards reverse, telescopic link 3 continues the extension afterwards, when telescopic link 3 passes through bearing inner circle 8 completely, pull rod 4 is 90 degrees with telescopic link 3 under the effect of gravity, as shown in fig. 4 this moment, hydraulic cylinder 2 makes telescopic link 3 retract, under the effect of pulling force, because bearing ball 9 top is withstood by sloping block 5, bearing inner circle 8 will break away from holder 91 and the completion of bearing separation and dismantle.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention.
Claims (2)
1. The utility model provides a dismantle deep groove ball bearing device, includes frame (1), its characterized in that: a dismounting device and a bearing fixing mechanism are arranged in the rack (1), the dismounting device comprises a hydraulic cylinder (2), the hydraulic cylinder (2) drives an expansion link (3), a pull rod (4) is fixedly connected to the bottom end of the expansion link (3), a rotating shaft is arranged at one end, close to the expansion link (3), of the pull rod (4), and the rotating shaft enables the pull rod (4) to be capable of upwards overturning when encountering resistance; the bearing fixing mechanism comprises a fixing frame (11), a spring (6) with one end connected with the rack (1) is arranged above the fixing frame (11), an inclined block (5) is fixedly connected to the other end of the spring (6), and the spring (6) forces the inclined block (5) to move towards the direction close to one end of the telescopic rod (3);
one end of the pull rod (4) close to the telescopic rod (3) is provided with a one-way clamping seat, so that the pull rod (4) and the telescopic rod (3) cannot be turned downwards when the angle between the pull rod and the telescopic rod is 90 degrees;
the fixing frame (11) is provided with an annular groove, and the size of the annular groove is consistent with the size of the outer diameter of the deep groove ball bearing outer ring (7);
a round hole is formed in the center of the fixing frame (11), and the size of the round hole is consistent with the outer diameter of the deep groove ball bearing inner ring (8);
the total length of the telescopic rod (3) is greater than the distance from the hydraulic cylinder (2) to the fixed frame (11);
the fixing frame (11) is made of stainless steel.
2. The deep groove ball bearing device of claim 1, wherein: the bottom end of the telescopic rod (3) is fixedly connected with a plurality of pull rods (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920325986.8U CN210451686U (en) | 2019-03-14 | 2019-03-14 | Dismantle deep groove ball bearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920325986.8U CN210451686U (en) | 2019-03-14 | 2019-03-14 | Dismantle deep groove ball bearing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210451686U true CN210451686U (en) | 2020-05-05 |
Family
ID=70429039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920325986.8U Expired - Fee Related CN210451686U (en) | 2019-03-14 | 2019-03-14 | Dismantle deep groove ball bearing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210451686U (en) |
-
2019
- 2019-03-14 CN CN201920325986.8U patent/CN210451686U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200505 |
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| CF01 | Termination of patent right due to non-payment of annual fee |