CN213088544U - Spherical bearing dismounting device for turnover shaft assembly - Google Patents
Spherical bearing dismounting device for turnover shaft assembly Download PDFInfo
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- CN213088544U CN213088544U CN202021431244.2U CN202021431244U CN213088544U CN 213088544 U CN213088544 U CN 213088544U CN 202021431244 U CN202021431244 U CN 202021431244U CN 213088544 U CN213088544 U CN 213088544U
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- spherical bearing
- jacking
- fixture
- round hole
- pushing
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Abstract
The utility model belongs to the technical field of mechanical tool, a trip shaft assembly spherical bearing dismounting device is related to. The spherical bearing pushing device comprises a fixture and a pushing tool, wherein the fixture is provided with a clamping round hole, a positioning round hole, the clamping round hole and the positioning round hole are communicated with two opposite vertical surfaces of the fixture, the pushing tool is provided with a through hole pushing round hole, the clamping round hole, the positioning round hole and the pushing round hole are coaxial, the fixture and the pushing tool are connected along the clamping round hole, the positioning round hole and the pushing round hole can be disassembled and connected, the aperture of the clamping round hole is larger than the inner diameter of an inner ring of a spherical bearing and smaller than the outer diameter of the inner ring of the spherical bearing, the aperture of the positioning round hole is larger than the outer diameter of the outer ring of the. The utility model discloses simple structure, convenient operation installs rapidly.
Description
Technical Field
The utility model belongs to the technical field of mechanical tool, a trip shaft assembly spherical bearing dismounting device is related to.
Background
The interference fit, that is, the interference value between the shaft and the hole is relied on, elastic pressure is generated between the surfaces of the parts after assembly, so as to obtain a tight connection, and the common disassembly method of the interference fit is that dragging force or knocking force is transmitted through a rolling body between an inner ring and an outer ring of the bearing.
When the front suspension split charging assembly of the automobile cab needs to be repaired, the overturning shaft assembly needs to be disassembled. However, because the two ends of the shaft head of the roll-over shaft are in interference fit with the inner diameter of the spherical bearing, the roll-over shaft is difficult to be easily pulled out from the two ends of the roll-over shaft, and due to structural limitation, no proper tool is used, so that the stock of the parts to be repaired is overstocked, the parts cannot be repaired, and only can be scrapped, and the cost is seriously wasted.
How to smoothly pull out the spherical bearing from the two ends of the overturning shaft under the condition of ensuring that the overturning shaft and the spherical bearing are not damaged is always a technical problem.
SUMMERY OF THE UTILITY MODEL
In order to achieve the purpose, the utility model provides a trip shaft assembly spherical bearing dismounting device has solved the problem that exists among the prior art.
The utility model adopts the technical scheme that a spherical bearing dismounting device for a turnover shaft assembly comprises a fixture 1 and a jacking tool 2, wherein the fixture 1 is provided with a clamping round hole 3 and a positioning round hole 4, the clamping round hole 3 and the positioning round hole 4 are communicated with two opposite vertical surfaces of the fixture 1, the jacking tool 2 is provided with a through hole pushing round hole 5, the clamping round hole 3, the positioning round hole 4 and the pushing round hole 5 are coaxial, and the fixture 1 and the jacking tool 2 are detachably connected along the coaxial direction of the clamping round hole 3, the positioning round hole 4 and the pushing round hole 5; the aperture of the chucking round hole 3 is larger than the inner diameter of the spherical bearing inner ring 15 and smaller than the outer diameter of the spherical bearing inner ring 15; the aperture of the positioning round hole 4 is larger than the outer diameter of the spherical bearing outer ring 16; the aperture of the pushing round hole 5 is smaller than the inner diameter of the spherical bearing inner ring 15, and the inner wall is provided with a pushing thread 6; the top tool 2 is provided with a top bolt 7, and the top bolt 7 is matched with the top thread 6.
Preferably, the detachable connection between the fixture 1 and the top tool 2 includes a bolt connection and a snap connection.
Preferably, the clamping side of the clamping round hole 3 is provided with an annular boss 8.
Preferably, the pushing thread 6 is a trapezoidal thread.
Preferably, a handle 9 is arranged at the bolt head of the jacking bolt 7.
Preferably, the fixture 1 is divided into an upper fixture part 10 and a lower fixture part 11, the upper fixture part 10 is connected with the lower fixture part 11 through bolts, and the interface between the upper fixture part 10 and the lower fixture part 11 is horizontal and passes through the axis of the circular clamping hole 3.
Preferably, the top tool 2 is divided into a top tool upper part 12 and a top tool lower part 13, the top tool upper part 12 and the top tool lower part 13 are connected through bolts, and the interface of the top tool upper part 12 and the top tool lower part 13 is horizontal and passes through the axis of the jacking circular hole 5.
Preferably, the top tool 2 is provided with a top core 14, the top pushing circular hole 5 is positioned on the top core 14, and the top core 14 is connected with the clamping groove of the top tool 2.
The utility model provides a workstation is dismantled to trip shaft assembly spherical bearing, dismantle the workstation and include above-mentioned interference fit spherical bearing dismounting device, dismantle the workstation and still include supporting device, fixing device, chucking device.
The utility model has the advantages that:
1. the utility model is divided into a fixture and a jacking tool, the bearing is clamped by the clamping round hole and the positioning round hole which are arranged on the fixture, and the jacking round hole and the jacking bolt which are arranged on the jacking tool are used for pushing, so that the impact disassembly such as dragging and knocking is avoided, and the spherical bearing is smoothly pulled out from the two ends of the overturning shaft under the condition of ensuring that the overturning shaft and the spherical bearing are not damaged;
2. the utility model is provided with the annular boss at the clamping side of the clamping round hole, which effectively supports the bearing inner ring in the disassembly operation, thereby improving the disassembly efficiency and avoiding the impact between the bearing outer ring and the roller;
3. the utility model divides the fixture and the jacking tool into an upper part and a lower part, so that the bearing and the turnover shaft can be conveniently installed and taken out in the disassembly operation, and the disassembly efficiency is improved;
4. the utility model improves the strength of the pushing thread, prolongs the service life of the device and reduces the cost by setting the pushing thread as the trapezoidal thread;
5. the top core is arranged in the top tool, the top core is in a detachable clamping groove connection mode, and the top pushing round hole is arranged on the top core, so that when the top pushing round hole needs to be replaced after being worn due to long-term stress, the top tool does not need to be integrally replaced, and only the top core needs to be replaced, thereby saving the cost and improving the economic benefit;
6. the utility model discloses top pushing bolt head is equipped with the handle for when dismantling the axle in the operation top pushing bolt does not contact the spherical bearing inner circle, but quick manual rotation top pushing bolt, adopt the instrument again to rotate after treating the contact atress, improved the work efficiency of dismantling the operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 schematic structural overview of a roll-over shaft assembly spherical bearing dismounting device;
FIG. 2 is an assembly view of the components and disassembled bearing;
FIG. 3 is a front view of the chuck;
FIG. 4 is a top view of the clamp;
FIG. 5 is a front view of the top tool;
FIG. 6 is a top view of the top tool;
FIG. 7 is an elevation view of the jack bolt;
FIG. 8 is a top view of the jack bolt;
in the figure: the fixture comprises a fixture-1, a top tool-2, a clamping round hole-3, a positioning round hole-4, a pushing round hole-5, a pushing thread-6, a pushing bolt-7, an annular boss-8, a handle-9, a fixture upper part-10, a fixture lower part-11, a top tool upper part-12, a top tool lower part-13, a top center-14, a bearing inner ring-15, a bearing outer ring-16 and a shaft-17.
Detailed Description
The related art in 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 to be understood 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 without creative work belong to the protection scope of the present invention.
Referring to fig. 1-8, a dismounting device for a spherical bearing of a turnover shaft assembly comprises a fixture 1 and a jacking tool 2, wherein the fixture 1 is provided with a clamping round hole 3 and a positioning round hole 4, the clamping round hole 3 and the positioning round hole 4 are communicated with two opposite vertical surfaces of the fixture 1, the jacking tool 2 is provided with a through hole pushing round hole 5, the clamping round hole 3, the positioning round hole 4 and the pushing round hole 5 are coaxial, and the fixture 1 and the jacking tool 2 are detachably connected along the coaxial direction of the clamping round hole 3, the positioning round hole 4 and the pushing round hole 5; the aperture of the chucking round hole 3 is larger than the inner diameter of the spherical bearing inner ring 15 and smaller than the outer diameter of the spherical bearing inner ring 15; the aperture of the positioning round hole 4 is larger than the outer diameter of the spherical bearing outer ring 16; the aperture of the pushing round hole 5 is smaller than the inner diameter of the spherical bearing inner ring 15, and the inner wall is provided with a pushing thread 6; the top tool 2 is provided with a top bolt 7, and the top bolt 7 is matched with the top thread 6.
Further, the detachable connection of the fixture 1 and the top tool 2 comprises a bolt connection and a buckle connection.
Furthermore, the clamping side of the clamping round hole 3 is provided with an annular boss 8.
Further, the pushing thread 6 is a trapezoidal thread.
Further, a handle 9 is arranged at the bolt head of the jacking bolt 7.
Furthermore, the fixture 1 is divided into an upper fixture part 10 and a lower fixture part 11, the upper fixture part 10 is in bolted connection with the lower fixture part 11, and the interface between the upper fixture part 10 and the lower fixture part 11 is horizontal and passes through the axis of the circular clamping hole 3.
Furthermore, the top tool 2 is divided into a top tool upper part 12 and a top tool lower part 13, the top tool upper part 12 is connected with the top tool lower part 13 through bolts, and a separating surface between the top tool upper part 12 and the top tool lower part 13 is horizontal and passes through the axis of the pushing circular hole 5.
Furthermore, the top tool 2 is provided with a top core 14, the top pushing circular hole 5 is positioned on the top core 14, and the top core 14 is connected with the clamping groove of the top tool 2.
The utility model provides a workstation is dismantled to trip shaft assembly spherical bearing, dismantle the workstation and include above-mentioned interference fit spherical bearing dismounting device, dismantle the workstation and still include supporting device, fixing device, chucking device.
Specifically, as shown in fig. 2, during the disassembling operation, in the first step, the upper part and the lower part of the fixture are opened, the spherical bearing with the shaft is placed into the lower part of the fixture, so that the inner ring of the bearing abuts against the annular boss, the outer ring of the bearing is placed into the positioning circular hole, the shaft in interference fit is placed into the clamping circular hole, and then the upper part of the fixture is fastened and the bolt is screwed for connection; secondly, opening the upper part and the lower part of the jacking tool, placing the jacking core into a clamping groove at the lower part of the jacking tool, fastening the upper part of the jacking tool and screwing a bolt for connection; thirdly, detachably connecting and fastening the tightened fixture and the jacking device in the coaxial direction of the clamping round hole, the positioning round hole and the jacking round hole, so that the fixture and the jacking device are fastened into a whole in the coaxial direction; fourthly, screwing in the jacking bolt, quickly rotating the handle, and stopping manual rotation after the jacking bolt contacts the interference fit shaft in the spherical bearing inner ring; fifthly, using a tool to rotate and push the nut on the bolt at a low speed and a high torque, and slowly pushing the interference shaft out of the bearing inner ring until the interference shaft is completely separated from the bearing inner ring; and finally, unscrewing the axial fastening connection and the upper and lower bolt connections of the fixture and the jacking tool, and taking out the separated bearing and shaft.
To sum up, the utility model relates to a trip shaft assembly spherical bearing dismounting device is guaranteeing not destroying under trip shaft and spherical bearing's the condition, extracts spherical bearing smoothly from the trip shaft both ends, realizes exempting from to pull and strike etc. impact dismantlement. Therefore, the utility model overcomes the defects of the prior art and has good application prospect.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (8)
1. The spherical bearing dismounting device for the turnover shaft assembly is characterized by comprising a fixture (1) and a jacking tool (2), wherein the fixture (1) is provided with clamping round holes (3) and positioning round holes (4), the clamping round holes (3) and the positioning round holes (4) are communicated with two opposite vertical surfaces of the fixture (1), the jacking tool (2) is provided with through hole pushing round holes (5), the clamping round holes (3), the positioning round holes (4) and the pushing round holes (5) are coaxial, and the fixture (1) and the jacking tool (2) are detachably connected along the coaxial direction of the clamping round holes (3), the positioning round holes (4) and the pushing round holes (5);
the aperture of the clamping round hole (3) is larger than the inner diameter of the spherical bearing inner ring (15) and smaller than the outer diameter of the spherical bearing inner ring (15); the aperture of the positioning round hole (4) is larger than the outer diameter of the spherical bearing outer ring (16); the aperture of the pushing round hole (5) is smaller than the inner diameter of the spherical bearing inner ring (15), and the inner wall of the pushing round hole is provided with a pushing thread (6);
the jacking tool (2) is provided with a jacking bolt (7), and the jacking bolt (7) is matched with the jacking thread (6).
2. The disassembly device for the spherical bearing of the tilt shaft assembly of claim 1, wherein the detachable connection between the fixture (1) and the top tool (2) comprises a bolt connection and a snap connection.
3. The dismounting device for the spherical bearing of the overturning shaft assembly according to claim 1, wherein an annular boss (8) is arranged on the clamping side of the clamping round hole (3).
4. The tilt shaft assembly spherical bearing release device of claim 1, wherein the jacking threads (6) are trapezoidal threads.
5. The disassembly device for the spherical bearing of the tilt shaft assembly of claim 1, wherein a handle (9) is arranged at the bolt head of the jacking bolt (7).
6. The disassembly device for the spherical bearing of the overturning shaft assembly is characterized in that the fixture (1) is divided into an upper fixture part (10) and a lower fixture part (11), the upper fixture part (10) is connected with the lower fixture part (11) through a bolt, and the interface of the upper fixture part (10) and the lower fixture part (11) is horizontal and passes through the axis of the clamping circular hole (3).
7. The dismounting device for the spherical bearing of the overturning shaft assembly according to claim 1, wherein the jacking device (2) comprises a jacking device upper part (12) and a jacking device lower part (13), the jacking device upper part (12) is in bolted connection with the jacking device lower part (13), and the interface between the jacking device upper part (12) and the jacking device lower part (13) is horizontal and passes through the axis of the jacking circular hole (5).
8. The dismounting device for the spherical bearing of the overturning shaft assembly according to claim 7, wherein the top tool (2) is provided with a top core (14), the top pushing circular hole (5) is positioned on the top core (14), and the top core (14) is connected with the clamping groove of the top tool (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021431244.2U CN213088544U (en) | 2020-07-20 | 2020-07-20 | Spherical bearing dismounting device for turnover shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021431244.2U CN213088544U (en) | 2020-07-20 | 2020-07-20 | Spherical bearing dismounting device for turnover shaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213088544U true CN213088544U (en) | 2021-04-30 |
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ID=75625939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021431244.2U Active CN213088544U (en) | 2020-07-20 | 2020-07-20 | Spherical bearing dismounting device for turnover shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213088544U (en) |
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2020
- 2020-07-20 CN CN202021431244.2U patent/CN213088544U/en active Active
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