CN115922615A - Mounting tool and method for front shaft seal of reciprocating internal combustion engine - Google Patents
Mounting tool and method for front shaft seal of reciprocating internal combustion engine Download PDFInfo
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- CN115922615A CN115922615A CN202211523618.7A CN202211523618A CN115922615A CN 115922615 A CN115922615 A CN 115922615A CN 202211523618 A CN202211523618 A CN 202211523618A CN 115922615 A CN115922615 A CN 115922615A
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- shaft seal
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- front shaft
- mounting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The invention discloses a reciprocating internal combustion engine front shaft seal mounting tool and a method, wherein the reciprocating internal combustion engine front shaft seal mounting tool comprises a bolt, a press-mounting flange, a spring and a positioning flange, the positioning flange is arranged on the outer side surface of a front end boss of a crankshaft, a cavity for mounting a front shaft seal is reserved between the positioning flange and a front end cover, one end of the press-mounting flange is provided with a groove, the size of one end of the press-mounting flange is matched with that of the front shaft seal, the bolt sequentially penetrates through the press-mounting flange and the positioning flange, the tail end of the bolt is in threaded connection with the front end of the crankshaft, and the spring is sleeved on the outer side surface of the bolt and is positioned between the press-mounting flange and the positioning flange.
Description
Technical Field
The invention relates to the technical field of internal combustion engine assembly, in particular to a mounting tool and a mounting method for a front shaft seal of a reciprocating internal combustion engine.
Background
The assembly technology of the engine front end cover shaft seal mainly lies in that the shaft seal is completely installed in place, sealing is guaranteed, the space inside and outside the engine is separated, and the normal service life is not influenced. In the traditional installation process, the front end cover and the front shaft seal are generally installed into a component, the component is integrally installed on an engine after the front shaft seal is installed, a copper or aluminum pressing plate is generally adopted in the front shaft seal installation, a rubber hammer is used for uniformly striking the pressing plate, and the front shaft seal is uniformly pressed into the front end cover through the downward pressure generated by striking of the rubber hammer.
However, the spring is arranged in the front shaft seal, the hardness is low, and under the action of impact force generated by knocking, the situations of deflection, deformation and the like of the front shaft seal in the driving process are easy to occur, and in the front end cover mounting process, the front shaft seal needs to be mounted on a shaft neck, the service life of the front shaft seal is reduced under the situations of improper mounting or deformation and the like, even the quality problems of oil leakage and the like due to poor sealing of the front shaft seal occur, the light sea water pump and the corresponding connecting pipeline on the front end cover need to be dismounted when the front shaft seal leaks oil, the shock absorber and the front end cover need to be dismounted, time and labor are wasted, the workload is high, and the requirement of high-quality development cannot be met.
Disclosure of Invention
The invention aims to overcome the existing defects and provides a mounting tool and a mounting method for a front shaft seal of a reciprocating internal combustion engine, so that the front shaft seal cannot deform, deflect and the like in the assembling process, the service life of the front shaft seal is prolonged, the use safety of the internal combustion engine is ensured, and the problems in the background art can be effectively solved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a reciprocating type internal-combustion engine front shaft seal mounting tool, includes bolt, pressure equipment flange, spring and positioning flange, the positioning flange sets up the front end boss lateral surface at the bent axle, leave the cavity that is used for installing the front shaft seal between positioning flange and the front end housing, the one end of pressure equipment flange is seted up flutedly, and the one end size of pressure equipment flange cooperatees with the size of front shaft seal, the bolt passes pressure equipment flange and positioning flange in proper order and the tail end of bolt and the front end threaded connection of bent axle, the spring cup joints the lateral surface at the bolt and is located between pressure equipment flange and the positioning flange.
As a preferable technical scheme of the invention, the bolt is a hexagon socket head cap screw.
As a preferable technical scheme of the invention, the outer diameter of the positioning flange is matched with the inner diameter of the front shaft seal in size.
As a preferred technical scheme of the invention, the outer side surface of the positioning flange adopts a taper design.
As a preferable technical scheme of the invention, the number of the bolts is two, and the two bolts are symmetrically arranged at the front end of the crankshaft.
A mounting method of a mounting tool for a front shaft seal of a reciprocating internal combustion engine comprises the steps of mounting a positioning flange on a front end boss of a crankshaft, mounting the front shaft seal between the positioning flange and a front end cover, abutting a press-mounting flange against the outer side surface of the front shaft seal, screwing a bolt to the front end of the crankshaft through the press-mounting flange and the positioning flange, sleeving a spring on the outer side surface of the bolt between the press-mounting flange and the positioning flange, continuously screwing the bolt, and mounting the front shaft seal to a preset position of the front end cover through displacement of the press-mounting flange.
Compared with the prior art, the invention has the beneficial effects that: (1) The assembly process is optimized, the front end cover and the front shaft seal are not required to be preassembled into parts in advance, the front end cover can be directly assembled in advance, and the front shaft seal is installed after the assembly is finished;
(2) The assembly precision is improved, the positioning flange is positioned by using a boss journal at the front end of the crankshaft, and the press mounting flange is positioned by depending on the outer diameter of the positioning flange, so that the situations of deformation, deflection and the like of the front shaft seal can be avoided in the installation process;
(3) The assembling quality is improved, and compared with the traditional press mounting mode, the process of using the tool to install the front shaft seal is more uniform, and the assembling consistency and the assembling quality are better.
Drawings
FIG. 1 is a schematic diagram of the operation of the present invention;
FIG. 2 is a schematic view of a positioning flange;
fig. 3 is a schematic structural view of the press-fitting flange.
In the figure: 1 bolt, 2 press-fitting flanges, 3 springs, 4 front shaft seals, 5 front end covers, 6 positioning flanges and 7 crankshafts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments (for convenience of description and understanding, the upper side of fig. 1 is described as the upper side below). All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a reciprocating type internal-combustion engine front shaft seal mounting tool, including bolt 1, pressure equipment flange 2, spring 3 and positioning flange 2, positioning flange 2 sets up the front end boss lateral surface at bent axle 7, leave the cavity that is used for installing front shaft seal 4 between positioning flange 2 and the front end housing 5, the recess has been seted up to the one end of pressure equipment flange 2, and the one end size of pressure equipment flange 2 matches with the size of front shaft seal 4, the external diameter size of pressure equipment flange 2 is not more than the external diameter of front shaft seal 4, the recess depth of pressure equipment flange 2 ensures that front shaft seal 4 can be pressure equipment to the preset position of front end housing 5 simultaneously, bolt 1 passes pressure equipment flange 2 and positioning flange 6 in proper order and the tail end of bolt 1 and the front end threaded connection of bent axle 7, spring 3 cup joints the lateral surface of bolt 1 and is located between pressure equipment flange 2 and positioning flange 6, bolt 1 is hexagon socket head cap screw bolt 1, the quantity of bolt 1 is two, two bolts 1 symmetry sets up the front end at bent axle 7, can make the packing force of pressure equipment flange 2 even through setting two bolts 1, the external diameter size of positioning flange 6 and the internal diameter of bent axle seal 6 and the crankshaft 4 internal-mounted precision of this assembly can not only be used for the optimization mounting tool, the assembling of this front end of assembling process has appeared, the assembling quality of assembling can not just be improved.
In order to prevent the flanging problem in the press fitting process, the outer side surface of the positioning flange 6 adopts a taper design.
The installation method comprises the following steps: install locating flange 6 to crankshaft 7's front end boss on, install preceding bearing seal 4 to locating flange 6 on, after inspection preceding bearing seal 4 does not have the turn-ups, pass pressure equipment flange 2, spring 3 and locating flange 6 with bolt 1, the tail end of bolt 1 is screwed up to the screw hole that crankshaft 7 corresponds on, constantly screw up bolt 1 for pressure equipment flange 2 is acted on spring 3 with the effort, it is inseparable to ensure that locating flange 6 and crankshaft 7 front end laminating, then screw up bolt 1 once more, until the displacement preceding bearing seal 4 through pressure equipment flange 2 installs the preset position to front end housing 5 can.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A reciprocating type internal combustion engine front shaft seal mounting tool is characterized in that: the positioning flange is arranged on the outer side face of a boss at the front end of a crankshaft, a cavity for mounting a front shaft seal is reserved between the positioning flange and a front end cover, a groove is formed in one end of the press-mounting flange, the size of one end of the press-mounting flange is matched with the size of the front shaft seal, the bolt sequentially penetrates through the press-mounting flange and the positioning flange, the tail end of the bolt is in threaded connection with the front end of the crankshaft, and the spring is sleeved on the outer side face of the bolt and located between the press-mounting flange and the positioning flange.
2. The mounting tool for the front shaft seal of the reciprocating internal combustion engine according to claim 1, wherein: the bolt is a hexagon socket head cap screw.
3. The mounting tool for the front shaft seal of a reciprocating internal combustion engine according to claim 1, wherein: the outer diameter of the positioning flange is matched with the inner diameter of the front shaft seal in size.
4. The mounting tool for the front shaft seal of a reciprocating internal combustion engine according to claim 1, wherein: the outer side surface of the positioning flange adopts a taper design.
5. The mounting tool for the front shaft seal of the reciprocating internal combustion engine according to claim 1, wherein: the number of the bolts is two, and the two bolts are symmetrically arranged at the front end of the crankshaft.
6. The method for mounting a mounting tool for a front shaft seal of a reciprocating internal combustion engine according to any one of claims 1 to 5, wherein: the positioning flange is arranged on a boss at the front end of the crankshaft, the front shaft seal is arranged between the positioning flange and the front end cover, the press mounting flange is abutted against the outer side surface of the front shaft seal, a bolt penetrates through the press mounting flange and the positioning flange and is screwed to the front end of the crankshaft, the spring is sleeved on the outer side surface of the bolt between the press mounting flange and the positioning flange, the bolt is screwed continuously, and the front shaft seal is arranged at a preset position of the front end cover through the displacement of the press mounting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211523618.7A CN115922615A (en) | 2022-12-01 | 2022-12-01 | Mounting tool and method for front shaft seal of reciprocating internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211523618.7A CN115922615A (en) | 2022-12-01 | 2022-12-01 | Mounting tool and method for front shaft seal of reciprocating internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115922615A true CN115922615A (en) | 2023-04-07 |
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ID=86556786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211523618.7A Pending CN115922615A (en) | 2022-12-01 | 2022-12-01 | Mounting tool and method for front shaft seal of reciprocating internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115922615A (en) |
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2022
- 2022-12-01 CN CN202211523618.7A patent/CN115922615A/en active Pending
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