CN113601452B - Device and method for mounting joint bearing in narrow space - Google Patents
Device and method for mounting joint bearing in narrow space Download PDFInfo
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- CN113601452B CN113601452B CN202110908150.2A CN202110908150A CN113601452B CN 113601452 B CN113601452 B CN 113601452B CN 202110908150 A CN202110908150 A CN 202110908150A CN 113601452 B CN113601452 B CN 113601452B
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- joint bearing
- hydraulic cylinder
- stud
- hollow hydraulic
- pressing block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
Abstract
The invention relates to a device and a method for mounting a joint bearing in a narrow space, which comprises a stud, a pressing block, a gasket, a hollow hydraulic cylinder and a hexagon nut, wherein the stud is a T-shaped stud with a threaded rod body, the threaded rod body penetrates from a non-flanging end to a flanging end of a center hole of the joint bearing and penetrates out of the center hole, and the horizontal part of the T shape is propped against the end part of the joint bearing; the pressing block is sleeved outside the stud, and the end part of the pressing block abuts against the flanging of the joint bearing; the hollow hydraulic cylinder is sleeved outside the stud, and the end part of the cylinder body of the hollow hydraulic cylinder is abutted against the shaft shoulder of the pressing block; the hexagonal nut is in threaded connection with the part of the stud exposed outside the hollow hydraulic cylinder; the gasket is arranged between the hexagon nut and the cylinder body of the hollow hydraulic cylinder. When the joint bearing flanging device is used, the joint bearing is extruded and flanged on the surface of the casing through the combined pressure of the washer, the stud and the pressing block, so that the surface of the joint bearing flanging is flat, and the joint part can flexibly rotate and freely move.
Description
Technical Field
The invention belongs to the technical field of engine casings, and particularly relates to a device and a method for mounting a joint bearing in a narrow space.
Background
When the joint bearing is installed on a casing part in the prior art, because the narrow position of the part is limited, a press machine cannot be applied, so that the joint bearing is usually installed in a hammering mode of a hammer and a drill rod, but the method has the defects that after the installation is finished, the flanging quality of the surface of the bearing is poor, the bearing is uneven in height, gaps are easily generated, the design requirements are not met, and the joint is inflexible and has a clamping stagnation phenomenon, so that the effect of the joint bearing is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a device and a method for mounting a joint bearing in a narrow space.
A device for mounting a joint bearing in a narrow space comprises a stud, a pressing block, a washer, a hollow hydraulic cylinder and a hexagon nut, wherein the stud is a T-shaped stud with a threaded rod body, the threaded rod body penetrates from a non-flanging end to a flanging end of the joint bearing from a central hole of the joint bearing and penetrates out of the central hole, and the horizontal part of the T shape abuts against the end part of the joint bearing; the pressing block is sleeved outside the stud, and the end part of the pressing block abuts against the flanging of the joint bearing; the hollow hydraulic cylinder is sleeved outside the stud, and the end part of the cylinder body of the hollow hydraulic cylinder is abutted against the shaft shoulder of the pressing block; the hexagonal nut is in threaded connection with the part of the stud exposed outside the hollow hydraulic cylinder; the gasket is arranged between the hexagon nut and the cylinder body of the hollow hydraulic cylinder.
The connecting part of the threaded rod body and the horizontal part of the T-shaped bearing is provided with a groove, so that space is provided for the inner ring of the joint bearing.
The joint sleeve of the hollow hydraulic cylinder is connected to the lower part of the hollow hydraulic cylinder, namely the part without the piston rod, and the manual pressure pump sleeve of the hollow hydraulic cylinder is connected with the joint sleeve.
The pressing block is cylindrical, and an inclined plane is arranged on the inner surface of one end of the pressing block.
The included angle between the inclined plane and the end face of the pressing block is 60 degrees, and the joint bearing can be turned over by pressure.
The use method of the device for installing the joint bearing in the narrow space comprises the following steps:
the method comprises the following steps: the installation device comprises: cooling the joint bearing through liquid nitrogen, then installing the joint bearing at a lug of a casing, penetrating a stud into a center hole of the joint bearing from a non-flanging end and penetrating out of the flanging end, sleeving a pressing block outside a threaded rod body of the stud, placing the pressing block at the flanging position of the joint bearing, and enabling one end with an inclined plane to be close to the joint bearing; penetrating the hollow hydraulic cylinder through the stud to abut against a shaft shoulder of the pressing block; after the gasket is placed on the upper surface of the hollow hydraulic cylinder, the hexagonal nut is screwed on the upper part of the gasket;
step two: installing a joint bearing: the handle of a manual pressure pump external member of the hollow hydraulic cylinder is pressed, hydraulic oil is pumped into the hollow hydraulic cylinder through a joint external member connected with the side surface of the hollow hydraulic cylinder, the joint bearing is extruded by the combined pressure of the gasket, the stud and the pressing block, and the joint bearing is extruded and flanged on the surface of the casing.
The invention has the beneficial effects that: the invention provides a device and a method for mounting a joint bearing in a narrow space, which can ensure that the joint bearing can be evenly flanged on a casing by constant pressure of a manual pressure pump, has complete surface and accurate size, ensures that the joint bearing moves flexibly and reliably and completely meets the design requirement. The invention solves the problem that the operation cannot be carried out by using a press machine due to the large parts and the narrow positions needing to be installed, and is very suitable for installing the joint bearing in the narrow space. The invention can be used for installing the oscillating bearing in the narrow space of any part, and has the advantages of simple and convenient operation, high precision, high quality and beautiful appearance.
Drawings
FIG. 1 is a schematic view of the present invention in use;
FIG. 2 is an enlarged view of the joint of the present invention and the spherical plain bearing of FIG. 1;
FIG. 3 is a schematic view of a briquette according to the present invention;
wherein, the first and the second end of the pipe are connected with each other,
1-stud, 11-groove, 2-briquetting, 21-inclined plane, 3-gasket, 4-hollow hydraulic cylinder, 5-joint kit, 6-manual pressure pump kit, 7-hexagon nut, and 8-joint bearing.
Detailed Description
For better understanding of the present invention, the technical solutions and effects of the present invention will be described in detail by the following embodiments with reference to the accompanying drawings.
A device for mounting a joint bearing in a narrow space is a device capable of mounting a joint bearing 8 in a narrow space of a part under the condition of hydraulic manual and quantitative pressure, and comprises a stud 1, a pressing block 2, a washer 3, a hollow hydraulic cylinder 4 and a hexagon nut 7, wherein the stud 1 is a T-shaped stud 1 with a threaded rod body, the threaded rod body penetrates from a non-flanging end to a flanging end of the joint bearing 8 from a central hole of the joint bearing and penetrates out of the central hole, and the horizontal part of the T-shaped bolt is abutted against the end part of the joint bearing 8, namely the threaded rod body penetrates in from the non-flanging end and penetrates out of the flanging end from the central hole of the joint bearing 8; as shown in fig. 2, a groove 11 is formed at the joint of the threaded rod body and the horizontal part of the T-shaped joint to provide a space for the inner ring of the joint bearing 8; the pressing block 2 is sleeved outside the stud 1, and the end part of the pressing block 2 abuts against the flanging of the joint bearing 8; the hollow hydraulic cylinder 4 is sleeved outside the stud 1, and the end part of the cylinder body of the hollow hydraulic cylinder 4 is abutted against the shaft shoulder of the pressing block 2; the hexagonal nut 7 is in threaded connection with the part of the stud 1 exposed outside the hollow hydraulic cylinder 4; the gasket 3 is arranged between the hexagon nut 7 and the cylinder body of the hollow hydraulic cylinder 4. The hollow hydraulic cylinder 4 used in this embodiment is a commercially available hollow hydraulic cylinder 4 including a joint kit 5 and a manual pressure pump kit 6, the joint kit 5 of the hollow hydraulic cylinder 4 is connected to the lower portion, i.e., a non-piston rod portion, of the hollow hydraulic cylinder 4, and the manual pressure pump kit 6 of the hollow hydraulic cylinder 4 is connected to the joint kit 5.
As shown in fig. 3, the pressing block 2 is cylindrical, and an inclined surface 21 is provided on an inner surface of one end of the pressing block 2.
The included angle between the inclined plane 21 and the end face of the pressing block 2 is 60 degrees, and the joint bearing 8 can be turned over by pressure.
The use method of the device for installing the joint bearing in the narrow space specifically comprises the following steps:
the method comprises the following steps: the installation device comprises: cooling the joint bearing 8 through liquid nitrogen and then installing the joint bearing at a lug of a casing, penetrating the stud 1 from a non-flanging end into a central hole of the joint bearing 8 and penetrating out of the flanging end, sleeving the pressing block 2 outside a threaded rod body of the stud 1 and placing the pressing block at the flanging position of the joint bearing 8, and enabling one end with the inclined plane 21 to be close to the joint bearing 8; a hollow hydraulic cylinder 4 is propped against the shaft shoulder of the pressing block 2 through the stud 1; after the washer 3 is placed on the upper surface of the hollow cylinder 4, the hexagonal nut 7 is screwed to the upper portion of the washer 3.
Step two: installing a joint bearing 8: the handle of the manual pressure pump external member 6 of the hollow hydraulic cylinder 4 is pressed, hydraulic oil is pumped into the hollow hydraulic cylinder 4 through the joint external member 5 connected to the side face of the hollow hydraulic cylinder 4, 20t of force is needed by flanging of the knuckle bearing in the embodiment, the magnitude of the applied force is observed through a pressure gauge on the manual pressure pump external member 6 in the process of pressing the handle of the manual pressure pump external member 6, along with the entering of hydraulic oil in the cylinder body, a piston of the hollow hydraulic cylinder 4 moves upwards to push the threaded stud 1 with the hole of the gasket 3 to move upwards, meanwhile, the cylinder body of the hollow hydraulic cylinder 4 drives the pressing block 2 to move downwards, the combined pressure of the gasket 3, the threaded stud 1 and the pressing block 2 extrudes the knuckle bearing 8, and the knuckle bearing 8 is extruded and flanged on the surface of the casing.
Because the pressure gauge is arranged on the manual pressure pump sleeve 6 of the hollow hydraulic cylinder 4, the applied pressure can be accurately reflected, the fixed torque can be accurately applied to the joint bearing 8, and the phenomena that the joint bearing 8 deforms and the joint bearing 8 slides freely due to overload can be prevented.
Claims (2)
1. A use method of a device for installing a narrow space joint bearing comprises a stud, a pressing block, a washer, a hollow hydraulic cylinder and a hexagon nut, wherein the stud is a T-shaped stud with a threaded rod body, the threaded rod body penetrates from a non-flanging end to a flanging end of the joint bearing from a central hole of the joint bearing and penetrates out of the central hole, and the horizontal part of the T shape abuts against the end part of the joint bearing; the pressing block is sleeved outside the stud, and the end part of the pressing block abuts against the flanging of the joint bearing; the hollow hydraulic cylinder is sleeved outside the stud, and the end part of the cylinder body of the hollow hydraulic cylinder is abutted against the shaft shoulder of the pressing block; the hexagonal nut is in threaded connection with the part of the stud exposed outside the hollow hydraulic cylinder; the gasket is arranged between the hexagon nut and the cylinder body of the hollow hydraulic cylinder;
the pressing block is cylindrical, and an inclined plane is arranged on the inner surface of one end of the pressing block; the included angle between the inclined plane and the end face of the pressing block is 60 degrees, and the joint bearing can be turned over by pressure;
the piston of the hollow hydraulic cylinder moves upwards to push the gasket to drive the stud to move upwards, meanwhile, the cylinder body of the hollow hydraulic cylinder drives the pressing block to move downwards, the combined pressure of the gasket, the stud and the pressing block extrudes the joint bearing, and the joint bearing is extruded and flanged on the surface of the casing;
the method is characterized by comprising the following steps:
the method comprises the following steps: the installation device comprises: cooling the joint bearing through liquid nitrogen, then installing the joint bearing at a lug of a casing, penetrating a stud from a central hole of the joint bearing from a non-flanging end to a flanging end, and penetrating the stud out from the flanging end, sleeving a pressing block outside a threaded rod body of the stud and placing the pressing block at the flanging position of the joint bearing, and enabling one end with an inclined plane to be close to the joint bearing; penetrating the hollow hydraulic cylinder through the stud to abut against a shaft shoulder of the pressing block; after the gasket is placed on the upper surface of the hollow hydraulic cylinder, the hexagonal nut is screwed on the upper part of the gasket;
the adopted hollow hydraulic cylinder comprises a joint kit and a hollow hydraulic cylinder of a manual pressure pump kit, the joint kit of the hollow hydraulic cylinder is connected to the lower part of the hollow hydraulic cylinder, namely the non-piston rod part, and the manual pressure pump kit of the hollow hydraulic cylinder is connected with the joint kit;
step two: installing a joint bearing: the handle of a manual pressure pump external member of the hollow hydraulic cylinder is pressed, hydraulic oil is pumped into the hollow hydraulic cylinder through a joint external member connected with the side surface of the hollow hydraulic cylinder, the joint bearing is extruded by the combined pressure of the gasket, the stud and the pressing block, and the joint bearing is extruded and flanged on the surface of the casing.
2. The use method of the device for narrow space joint bearing installation according to claim 1, characterized in that: the connecting part of the threaded rod body and the horizontal part of the T-shaped bearing is provided with a groove, so that space is provided for the inner ring of the joint bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110908150.2A CN113601452B (en) | 2021-08-09 | 2021-08-09 | Device and method for mounting joint bearing in narrow space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110908150.2A CN113601452B (en) | 2021-08-09 | 2021-08-09 | Device and method for mounting joint bearing in narrow space |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113601452A CN113601452A (en) | 2021-11-05 |
| CN113601452B true CN113601452B (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110908150.2A Active CN113601452B (en) | 2021-08-09 | 2021-08-09 | Device and method for mounting joint bearing in narrow space |
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| CN (1) | CN113601452B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3667155B2 (en) * | 1999-05-24 | 2005-07-06 | 京都機械工具株式会社 | Ball joint separation tool |
| CN202185496U (en) * | 2011-06-15 | 2012-04-11 | 中国南方航空工业(集团)有限公司 | Joint bearing flanging device |
| CN203680220U (en) * | 2014-01-20 | 2014-07-02 | 广东明阳风电产业集团有限公司 | Novel mounting device of knuckle bearing |
| CN105650133A (en) * | 2016-03-21 | 2016-06-08 | 哈尔滨东安发动机（集团）有限公司 | Flanged joint bearing installation device |
| CN206010934U (en) * | 2016-06-22 | 2017-03-15 | 南京中船绿洲机器有限公司 | A kind of disc type separator rotary drum hydraulic dismounting/mounting tool |
| CN207189559U (en) * | 2017-08-22 | 2018-04-06 | 成都戎创航空科技有限公司 | Oscillating bearing receives pressure device |
| CN210368476U (en) * | 2019-07-24 | 2020-04-21 | 中国铁路南昌局集团有限公司科学技术研究所 | Special stripping off device of glued insulation splint |
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2021
- 2021-08-09 CN CN202110908150.2A patent/CN113601452B/en active Active
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| CN113601452A (en) | 2021-11-05 |
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