CN112963446A - Guide device and assembling and disassembling method of lubricating oil pump with eccentric boss - Google Patents
Guide device and assembling and disassembling method of lubricating oil pump with eccentric boss Download PDFInfo
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- CN112963446A CN112963446A CN202110105488.4A CN202110105488A CN112963446A CN 112963446 A CN112963446 A CN 112963446A CN 202110105488 A CN202110105488 A CN 202110105488A CN 112963446 A CN112963446 A CN 112963446A
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- lubricating oil
- oil pump
- guide
- positioning plate
- hole
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/02—Sliding-contact bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/06—Arrangements of bearings; Lubricating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Compressor (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a guide device and an assembling and disassembling method of a lubricating oil pump with an eccentric boss, and belongs to the technical field of installation of lubricating oil pumps of aero-engines. The guiding device comprises a positioning plate, a guiding seat and a guiding assembly, wherein the guiding seat is arranged on the positioning plate, and the guiding assembly is positioned on the inner side of the guiding seat and movably connected with the guiding seat. The guiding device is used for installing the lubricating oil pump body and the lubricating oil pump shell, one-time assembly success can be achieved, parts cannot be damaged, working efficiency is improved, and assembly quality of products is also improved. When the guide device is used for disassembling the lubricating oil pump shell and the lubricating oil pump body, the labor intensity can be reduced, the working efficiency can be improved, and parts can be protected from being damaged. The original structure of the lubricating oil pump is not changed, the lubricating oil pump can be quickly assembled and disassembled, and the production cost of the lubricating oil pump is effectively controlled.
Description
Technical Field
The invention relates to a guide device and an assembling and disassembling method of a lubricating oil pump with an eccentric boss, and belongs to the technical field of installation of lubricating oil pumps of aero-engines.
Background
The accessory system of the aircraft engine comprises parts such as a lubricating oil pump, an oil filter, an oil-gas separator and the like, and the aircraft engine is required to be compact in structure and light in weight due to the fact that the thrust-weight ratio is pursued. The lubricating oil pump is mainly divided into a shell and a pump body, the pump body is integrally cylindrical, and the bottom of the pump body is provided with an eccentric boss for mounting a transmission spline shaft; the shell is a magnesium casting, and the bottom of the shell is provided with an eccentric hole. After the pump body is assembled, in the process of assembling the pump body into the shell, the situation that the position of an eccentric boss on the pump body is not aligned with the position of an eccentric hole on the shell often occurs, and the pump body cannot be rotated to align the eccentric boss on the pump body with the eccentric hole at the bottom of the shell due to the fact that a gap between the pump body and the shell is small (generally 0.03-0.07 mm) and a sealing rubber ring is sleeved on the pump body, and the pump body needs to be pulled out to be assembled again. Repeated trial assembly like this has not only reduced production efficiency, has increased intensity of labour, and the pump body or casing are hindered easily in the in-process of dialling out the pump body moreover.
Chinese patent publication No. CN201407472Y discloses a transfer mounting device for a lubricating oil pump, in which a lubricating oil pump body is mounted on a housing through an eccentric annular transfer mounting seat, and the diameter of a middle stop of the housing is slightly larger than the diameter of an addendum circle of a transmission gear of the lubricating oil pump, so that the lubricating oil pump body and the transmission gear of the lubricating oil pump can be integrally disassembled. When in installation, the transmission gear of the lubricating oil pump is firstly installed on the lubricating oil pump body, and then the transmission gear of the lubricating oil pump is assembled with the annular installation seat and installed on the shell; when the lubricating oil pump is disassembled, the lubricating oil pump body, the lubricating oil pump transmission gear and the eccentric annular mounting seat are disassembled together from the shell, so that the assembling and disassembling difficulty of the lubricating oil pump is greatly reduced, the repairing and daily maintenance work of the lubricating oil pump is facilitated, and the working efficiency is improved.
However, the lubricating oil pump body is installed on the shell through the annular adapter mounting seat, the original structure of the lubricating oil pump is changed, the lubricating oil pump body needs to be designed, calculated and processed again, and the manufacturing cost of the lubricating oil pump is obviously increased.
Disclosure of Invention
In order to solve the technical problems, the invention provides a guide device and an assembling and disassembling method of an oil pump with an eccentric boss.
The invention is realized by the following technical scheme:
a guiding device comprises a positioning plate, a guiding seat and a guiding assembly, wherein the guiding seat is arranged on the positioning plate, and the guiding assembly is positioned on the inner side of the guiding seat and movably connected with the guiding seat.
The guide seat comprises a cylinder, the cylinder is vertically arranged on a positioning plate, a through hole A is coaxially arranged on the positioning plate at a position corresponding to the cylinder, a sealing plate is arranged at one end of the cylinder far away from the positioning plate, a through hole B is arranged on the sealing plate, and the through hole B and the cylinder are coaxially arranged.
The guide assembly comprises a guide rod, a blind hole is coaxially arranged on the guide rod, and the bottom of the blind hole is connected with the guide seat through a spring.
The one end of keeping away from the blind hole on the guide bar can be dismantled and be connected with fixed head.
The outer diameter of the fixing head is equal to that of the guide rod, the longitudinal section of the fixing head is T-shaped, and the fixing head is made of rubber.
An assembling method of a lubricating oil pump with an eccentric boss comprises the following steps:
step one, aligning a guide rod in the guide device with an eccentric hole on a lubricating oil pump shell, enabling one end of a fixing head and one end of the guide rod to penetrate through the eccentric hole, locking and fixing a positioning plate at the bottom of the lubricating oil pump shell by using a bolt,
step two, aligning the eccentric boss on the lubricating oil pump body with the fixing head, inserting the fixing head into the hole on the eccentric boss, slowly and stably installing the lubricating oil pump body into the lubricating oil pump shell,
and step three, completing the assembly work of the lubricating oil pump, and then removing the guide device.
And in the first step, after the positioning plate is fixed at the bottom of the lubricating oil pump shell, the fixing head extends out of the lubricating oil pump shell under the spring force of the spring.
After the positioning plate is fixed at the bottom of the lubricating oil pump housing in the first step, the outer contour of the positioning plate is overlapped with the outer contour of the cross section shape of the lubricating oil pump housing, and the guide rod is coaxial with the eccentric hole in the lubricating oil pump housing.
And in the second step, the lubricating oil pump shell is in clearance fit with the lubricating oil pump body.
A method for disassembling a lubricating oil pump with an eccentric boss comprises the following steps:
(1) the fixed head in the guiding device is aligned with the eccentric boss on the pump body of the lubricating oil pump, the fixed head is inserted into the hole on the eccentric boss, the guiding seat is pushed to lead the positioning plate to be attached to the bottom of the lubricating oil pump shell, the positioning plate is locked and fixed at the bottom of the lubricating oil pump shell through a bolt,
(2) one end of the bakelite rod sequentially passes through the through hole B and the spring until the bakelite rod is abutted against the guide rod,
(3) the cun-strength knocking bakelite rod is used to enable the lubricating oil pump body to stably withdraw from the lubricating oil pump shell.
The invention has the beneficial effects that: the guiding device is used for installing the lubricating oil pump body and the lubricating oil pump shell, one-time assembly success can be achieved, parts cannot be damaged, working efficiency is improved, and assembly quality of products is also improved. When the guide device is used for disassembling the lubricating oil pump shell and the lubricating oil pump body, the labor intensity can be reduced, the working efficiency can be improved, and parts can be protected from being damaged. The original structure of the lubricating oil pump is not changed, the lubricating oil pump can be quickly assembled and disassembled, and the production cost of the lubricating oil pump is effectively controlled.
Drawings
FIG. 1 is a schematic view of the structure of the guide device of the present invention;
fig. 2 is a schematic structural view when the lubricating oil pump body and the lubricating oil pump housing are assembled using the guide device;
FIG. 3 is a schematic structural view of the lubricating oil pump body and the lubricating oil pump housing when the guide device is used for disassembling;
FIG. 4 is a schematic structural view of a lubricating oil pump housing of the present invention;
FIG. 5 is a schematic diagram of the right side view of the structure of FIG. 4;
fig. 6 is a schematic structural view of the lubricating oil pump body of the present invention.
In the figure: 1-guide seat, 2-guide rod, 3-spring, 4-screw and 5-fixing head.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 to 6, the guiding device of the present invention includes a positioning plate, a guiding seat 1 and a guiding assembly, wherein the guiding seat 1 is disposed on the positioning plate, and the guiding assembly is located inside the guiding seat 1 and movably connected to the guiding seat 1.
The guide seat 1 comprises a cylinder, the cylinder is vertically welded on a positioning plate, a through hole A is coaxially processed at a position corresponding to the cylinder on the positioning plate, a sealing plate is welded at one end, far away from the positioning plate, of the cylinder, a through hole B is processed on the sealing plate, and the through hole B and the cylinder are coaxially arranged. In use, the diameter of the through hole a is the same as the inner diameter of the cylinder and the diameter of the through hole B is smaller than the inner diameter of the spring 3.
The guide assembly comprises a guide rod 2, a blind hole is coaxially processed on the guide rod 2, and the bottom of the blind hole is connected with a guide seat 1 through a spring 3.
The guide rod 2 is detachably connected with a fixing head 5 at one end far away from the blind hole. In use, the fixing head 5 is locked and fixed at the end of the guide rod 2 by the screw 4.
The outer diameter of the fixing head 5 is equal to that of the guide rod 2, the longitudinal section of the fixing head 5 is T-shaped, and the fixing head 5 is made of rubber. The eccentric boss on the lubricating oil pump body is positioned through the fixing head 5, and meanwhile the fixing head 5 can be prevented from damaging the lubricating oil pump shell and the lubricating oil pump body.
An assembling method of a lubricating oil pump with an eccentric boss comprises the following steps:
step one, aligning a guide rod 2 in the guide device with an eccentric hole on a lubricating oil pump shell, enabling a fixing head 5 and one end of the guide rod 2 to penetrate through the eccentric hole, locking and fixing a positioning plate at the bottom of the lubricating oil pump shell by using a bolt,
step two, aligning the eccentric boss on the lubricating oil pump body with the fixing head 5, inserting the fixing head 5 into the hole on the eccentric boss, slowly and stably installing the lubricating oil pump body into the lubricating oil pump shell,
and step three, completing the assembly work of the lubricating oil pump, and then removing the guide device. The lubricating oil pump body is successfully assembled at one time, repeated installation is avoided, and the lubricating oil pump body and the lubricating oil pump shell are prevented from being damaged by collision.
After the positioning plate is fixed at the bottom of the lubricating oil pump shell in the first step, the fixing head 5 extends out of the lubricating oil pump shell under the spring force of the spring 3.
After the positioning plate is fixed at the bottom of the lubricating oil pump housing in the first step, the outer contour of the positioning plate is overlapped with the outer contour of the cross section shape of the lubricating oil pump housing, and the guide rod 2 is coaxial with the eccentric hole in the lubricating oil pump housing.
And in the second step, the lubricating oil pump shell is in clearance fit with the lubricating oil pump body.
A method for disassembling a lubricating oil pump with an eccentric boss comprises the following steps:
(1) the fixing head 5 in the guiding device is aligned with the eccentric boss on the lubricating oil pump body, the fixing head 5 is inserted into the hole on the eccentric boss, the guiding seat 1 is pushed to lead the positioning plate to be attached to the bottom of the lubricating oil pump shell, the positioning plate is locked and fixed at the bottom of the lubricating oil pump shell through a bolt,
(2) one end of the bakelite rod sequentially passes through the through hole B and the spring 3 until the bakelite rod is abutted against the guide rod 2,
(3) the cun-strength knocking bakelite rod is used to enable the lubricating oil pump body to stably withdraw from the lubricating oil pump shell. Before a guiding device is not used, in the process of assembling the lubricating oil pump body and the lubricating oil pump shell, an operator aligns an eccentric boss on the lubricating oil pump body and an eccentric hole on the lubricating oil pump shell by eyes, then the lubricating oil pump body is installed into the shell, and the phenomenon that the eccentric boss on the lubricating oil pump body is not aligned with the eccentric hole on the lubricating oil pump shell, so that the lubricating oil pump cannot be installed frequently occurs. The clearance between the lubricating oil pump body and the lubricating oil pump shell is very small, and a sealing rubber ring is arranged, so that the lubricating oil pump body cannot rotate in the lubricating oil pump shell, and only the lubricating oil pump body can be pulled out for repeated trial assembly. Because the whole body of the lubricating oil pump body is a cylinder, when the lubricating oil pump body is pulled out by hands, no force point exists, and lubricating oil is also arranged on the lubricating oil pump body, so that the pulling-out is difficult, and parts are easy to be damaged.
In conclusion, the guiding device provided by the invention is used for installing the lubricating oil pump body and the lubricating oil pump shell, can realize one-time successful assembly, does not damage parts, improves the working efficiency and also improves the assembly quality of products. When the guide device is used for disassembling the lubricating oil pump shell and the lubricating oil pump body, the labor intensity can be reduced, the working efficiency can be improved, and parts can be protected from being damaged. The original structure of the lubricating oil pump is not changed, the lubricating oil pump can be quickly assembled and disassembled, and the production cost of the lubricating oil pump is effectively controlled.
Claims (10)
1. A guide device, characterized by: the guide device comprises a positioning plate, a guide seat (1) and a guide assembly, wherein the guide seat (1) is arranged on the positioning plate, and the guide assembly is positioned on the inner side of the guide seat (1) and is movably connected with the guide seat (1).
2. The guide device of claim 1, wherein: the guide seat (1) comprises a cylinder, the cylinder is vertically arranged on a positioning plate, a through hole A is coaxially arranged at the position corresponding to the cylinder on the positioning plate, a sealing plate is arranged at one end, far away from the positioning plate, of the cylinder, a through hole B is arranged on the sealing plate, and the through hole B and the cylinder are coaxially arranged.
3. The guide device of claim 1, wherein: the guide assembly comprises a guide rod (2), a blind hole is coaxially arranged on the guide rod (2), and the bottom of the blind hole is connected with the guide seat (1) through a spring (3).
4. The guide device of claim 3, wherein: one end of the guide rod (2) far away from the blind hole is detachably connected with a fixing head (5).
5. The guide device of claim 4, wherein: the outer diameter of the fixing head (5) is equal to that of the guide rod (2), the longitudinal section of the fixing head (5) is T-shaped, and the fixing head (5) is made of rubber.
6. The assembling method of the lubricating oil pump with the eccentric boss is characterized in that: the assembly method comprises the following steps:
step one, aligning a guide rod (2) in a guide device with an eccentric hole on a lubricating oil pump shell, enabling one end of a fixing head (5) and one end of the guide rod (2) to penetrate through the eccentric hole, and locking and fixing a positioning plate at the bottom of the lubricating oil pump shell by using a bolt;
aligning an eccentric boss on the lubricating oil pump body with the fixing head (5), inserting the fixing head (5) into a hole on the eccentric boss, and slowly and stably installing the lubricating oil pump body into the lubricating oil pump shell;
and step three, completing the assembly work of the lubricating oil pump, and then removing the guide device.
7. The method of assembling a lubricating oil pump with an eccentric boss according to claim 6, wherein: after the positioning plate is fixed at the bottom of the lubricating oil pump shell in the first step, the fixing head (5) extends out of the lubricating oil pump shell under the spring force action of the spring (3).
8. The method of assembling a lubricating oil pump with an eccentric boss according to claim 6, wherein: after the positioning plate is fixed at the bottom of the lubricating oil pump housing in the first step, the outer contour of the positioning plate is overlapped with the outer contour of the cross section shape of the lubricating oil pump housing, and the guide rod (2) is coaxial with the eccentric hole in the lubricating oil pump housing.
9. The method of assembling a lubricating oil pump with an eccentric boss according to claim 6, wherein: and in the second step, the lubricating oil pump shell is in clearance fit with the lubricating oil pump body.
10. The utility model provides a take decomposition method of eccentric boss lubricating oil pump which characterized in that: the decomposition method comprises the following steps:
(1) aligning a fixing head (5) in the guiding device with an eccentric boss on a lubricating oil pump body, inserting the fixing head (5) into a hole on the eccentric boss, pushing the guiding seat (1) to enable the positioning plate to be attached to the bottom of the lubricating oil pump shell, and locking and fixing the positioning plate at the bottom of the lubricating oil pump shell through bolts;
(2) one end of the bakelite rod sequentially passes through the through hole B and the spring (3) until the bakelite rod is abutted against the guide rod (2);
(3) the cun-strength knocking bakelite rod is used to enable the lubricating oil pump body to stably withdraw from the lubricating oil pump shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110105488.4A CN112963446B (en) | 2021-01-26 | 2021-01-26 | Assembling and disassembling method for lubricating oil pump with eccentric boss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110105488.4A CN112963446B (en) | 2021-01-26 | 2021-01-26 | Assembling and disassembling method for lubricating oil pump with eccentric boss |
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| CN112963446A true CN112963446A (en) | 2021-06-15 |
| CN112963446B CN112963446B (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110105488.4A Active CN112963446B (en) | 2021-01-26 | 2021-01-26 | Assembling and disassembling method for lubricating oil pump with eccentric boss |
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Citations (9)
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|---|---|---|---|---|
| EP0623747A1 (en) * | 1993-04-06 | 1994-11-09 | Carrier Corporation | Scroll compressor pump cartridge assembly |
| US20050155218A1 (en) * | 2002-02-19 | 2005-07-21 | Kenji Kaneko | Badge, and badge producing device |
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-
2021
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| EP0623747A1 (en) * | 1993-04-06 | 1994-11-09 | Carrier Corporation | Scroll compressor pump cartridge assembly |
| US20050155218A1 (en) * | 2002-02-19 | 2005-07-21 | Kenji Kaneko | Badge, and badge producing device |
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| CN203045271U (en) * | 2012-10-08 | 2013-07-10 | 如皋市丁堰纺织有限公司 | Pneumatic sleeve roller machine functional head |
| CN204262688U (en) * | 2014-10-11 | 2015-04-15 | 重庆红宇精密工业有限责任公司 | A kind of pressure heads mechanism of automobile gearbox oil pump lid axial compression assembling device |
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