CN213060008U - Dismounting device for interference fit assembly of shaft - Google Patents
Dismounting device for interference fit assembly of shaft Download PDFInfo
- Publication number
- CN213060008U CN213060008U CN202021089536.2U CN202021089536U CN213060008U CN 213060008 U CN213060008 U CN 213060008U CN 202021089536 U CN202021089536 U CN 202021089536U CN 213060008 U CN213060008 U CN 213060008U
- Authority
- CN
- China
- Prior art keywords
- shaft
- dismounting device
- interference fit
- jack
- fit assembly
- Prior art date
- 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
Links
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model provides a dismounting device for axle interference fit assembly, this dismounting device pass through the bolt fastening on the top of treating dismounting device's axle, the internal thread hole has been seted up on the top of axle, and dismounting device screws fixedly through bolt and axle, dismounting device includes, arm-tie, pressure-bearing base, jack, limiting plate and screw rod etc.. The utility model provides a pair of a dismounting device for axle interference fit assembly adopts hydraulic jack to dismantle, and the arm-tie upward movement drives the axial upward movement, because the nature of hydraulic jack itself to reach the purpose of steadily dismantling the axle.
Description
Technical Field
The utility model relates to the field of machinary, especially, relate to a dismounting device for axle interference fit assembly.
Background
In the prior art, a shaft, a bearing inner ring and a shaft hole on a rack are often assembled in an interference assembly mode, the interference fit is that the hole is expanded and deformed by utilizing the elasticity of materials to be sleeved on the shaft, and the tightening force of the shaft is generated when the hole is restored to connect the two parts. However, the shaft holes of the frame are usually blind holes, and the shafts are assembled in a sequence of back mounting and first dismounting, and the conventional ejection mode cannot be used due to the blind holes, so that the shaft is very inconvenient to dismount.
Therefore, the prior art has yet to be developed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a dismounting device for an interference fit assembly of a shaft, which is used for solving the problems existing in the prior art and has certain advantages.
To achieve the above and other related objects, the present invention provides a dismounting device for interference fit assembly of a shaft, the dismounting device is fixed at the top end of a shaft of the device to be dismounted through a bolt, the top end of the shaft is provided with an internal thread hole, the dismounting device is screwed and fixed with the shaft through the bolt, the dismounting device comprises a pulling plate, a pressure-bearing base, a jack, a limiting plate and a screw rod, wherein the pulling plate is arranged between the bolt and the shaft, a limiting plate is arranged above the pulling plate, the pulling plate is fixedly connected with the limiting plate through a plurality of screw rods, two ends of the plurality of screw rods are respectively provided with a nut, the bottom of the pressure-bearing base is fixed on the upper end surface of the device to be disassembled, the bottom of the pressure-bearing base is provided with a U-shaped opening, the pulling plate is located inside the U-shaped opening, a jack is arranged at the top of the pressure-bearing base, and the top of the jack is in contact with the lower end face of the limiting plate.
In an embodiment of the present invention, the central points of the limiting plate, the jack, the pressure-bearing base, the pulling plate and the shaft are located on the same vertical straight line.
In an embodiment of the present invention, a groove is formed in the lower end surface of the limiting plate.
In an embodiment of the present invention, the jack is a hydraulic jack.
In an embodiment of the present invention, there are 2 screws.
As above, the utility model discloses a dismounting device for axle interference fit assembly has following beneficial effect: the utility model provides a pair of a dismounting device for axle interference fit assembly adopts hydraulic jack to dismantle, and the arm-tie upward movement drives the axial upward movement, because the nature of hydraulic jack itself to reach the purpose of steadily dismantling the axle.
Drawings
Fig. 1 is a schematic front view of a dismounting device for shaft interference fit assembly disclosed in an embodiment of the present invention.
Fig. 2 is a schematic side view of a dismounting device for shaft interference fit assembly disclosed in an embodiment of the present invention.
Fig. 3 is a schematic front view showing an installation state of a dismounting device for shaft interference fit assembly disclosed in an embodiment of the present invention.
Fig. 4 is a schematic side view showing an installation state of a dismounting device for shaft interference fit assembly disclosed in the embodiment of the invention.
Fig. 5 shows a schematic structural diagram of a to-be-disassembled device of a disassembling device for shaft interference fit assembly disclosed in an embodiment of the present invention.
Fig. 6 is a schematic view of a fixing structure of a to-be-disassembled device and a pulling plate of a disassembling device for shaft interference fit assembly disclosed in an embodiment of the present invention.
Description of the element reference numerals
1 machine frame
2 Gear
3 bearing
4-shaft
5 pulling plate
6 bolt
7 pressure bearing base
8 jack
9 limiting plate
10 screw rod
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 6. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 5, the device to be disassembled includes a frame 1, a gear 2, a bearing 3 and a shaft 4, the gear 2 is located inside the frame 1, the bearing 3 is located inside the gear 2, the shaft 4 is located inside the bearing 3, and the shaft 4 is assembled with an inner ring of the bearing 3 and a shaft hole on the frame 1 in an interference fit manner.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 6, the present invention provides a dismounting device for shaft interference fit assembly, the dismounting device is fixed on the top end of a shaft 4 of a device to be dismounted by a bolt 6, the top end of the shaft 4 is provided with an internal threaded hole, the dismounting device is screwed and fixed with the shaft 4 by the bolt 6, the dismounting device comprises a pulling plate 5, a pressure-bearing base 7, a jack 8, a limiting plate 9 and screws 10, the pulling plate 5 is further arranged between the bolt 6 and the shaft 4, the limiting plate 9 is arranged above the pulling plate 5, the pulling plate 5 and the limiting plate 9 are fixedly connected by a plurality of screws 10, two ends of the plurality of screws 10 are respectively provided with a nut, the bottom of the pressure-bearing base 7 is fixed on the upper end face of the device to be dismounted, the bottom of the pressure-bearing base 7 is provided with a U-shaped opening, the pulling plate 5 is located inside, and a jack 8 is arranged at the top of the pressure-bearing base 7, and the top of the jack 8 is in contact with the lower end surface of the limiting plate 9.
Specifically, the central points of the limiting plate 9, the jack 8, the pressure-bearing base 7, the pulling plate 5 and the shaft 4 are located on the same vertical straight line.
Specifically, a groove is formed in the lower end face of the limiting plate 9. The groove is used for facilitating the jack 8 not to slide easily when being jacked upwards, and the stability of the dismounting device is improved.
Specifically, the jack 8 is a hydraulic jack.
Specifically, the number of the screws 10 is 2.
The working principle is as follows: hydraulic jack 8 work, jack-up limiting plate 9, because limiting plate 9 passes through screw rod 10 and the 5 fixed connection of arm-tie of below, consequently limiting plate 9 rebound can drive arm-tie 5 rebound, 5 bottoms of arm-tie are screwed through bolt 6 and are fixed with axle 4, wherein bolt 6 screws through the internal thread hole of external screw thread with axle 4, at this moment, arm-tie 5 drives bolt 6 rebound when upward movement, bolt 6 drives axle 4 rebound, thereby make axle 4 dismantle from frame 1.
To sum up, the utility model provides a pair of a dismounting device for axle interference fit assembly adopts hydraulic jack to dismantle, and arm-tie upward movement drives the axial upward movement, because the nature of hydraulic jack itself to reach the purpose of steadily dismantling the axle.
Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a dismounting device for axle interference fit assembly, this dismounting device passes through the bolt fastening on the top of treating the shaft of dismounting device which characterized in that: the bearing device comprises a pulling plate, a pressure-bearing base, a jack, a limiting plate and a screw rod, wherein the pulling plate is arranged at the top end of the shaft, the dismounting device is screwed and fixed with the shaft through a bolt, the bolt is provided with the pulling plate between the shaft, the limiting plate is arranged above the pulling plate, the pulling plate is fixedly connected with the limiting plate through a plurality of screw rods, the two ends of the screw rod are respectively provided with a nut, the bottom of the pressure-bearing base is fixed on the upper end face of the dismounting device, the bottom of the pressure-bearing base is provided with a U-shaped opening, the pulling plate is located inside the U-shaped opening, the top of the pressure-bearing base is provided with the jack, and the top of the jack is in contact with the lower end face.
2. The removal device for an interference fit assembly of a shaft of claim 1, wherein: the central points of the limiting plate, the jack, the pressure-bearing base, the pulling plate and the shaft are positioned on the same vertical straight line.
3. The removal device for an interference fit assembly of a shaft of claim 1, wherein: and a groove is formed in the lower end surface of the limiting plate.
4. The removal device for an interference fit assembly of a shaft of claim 1, wherein: the jack is a hydraulic jack.
5. The removal device for an interference fit assembly of a shaft of claim 1, wherein: the screw rod is equipped with 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021089536.2U CN213060008U (en) | 2020-06-12 | 2020-06-12 | Dismounting device for interference fit assembly of shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021089536.2U CN213060008U (en) | 2020-06-12 | 2020-06-12 | Dismounting device for interference fit assembly of shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213060008U true CN213060008U (en) | 2021-04-27 |
Family
ID=75566970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021089536.2U Expired - Fee Related CN213060008U (en) | 2020-06-12 | 2020-06-12 | Dismounting device for interference fit assembly of shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213060008U (en) |
-
2020
- 2020-06-12 CN CN202021089536.2U patent/CN213060008U/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: 20210427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |