CN220534087U - Framework oil seal assembling device - Google Patents
Framework oil seal assembling device Download PDFInfo
- Publication number
- CN220534087U CN220534087U CN202321980477.1U CN202321980477U CN220534087U CN 220534087 U CN220534087 U CN 220534087U CN 202321980477 U CN202321980477 U CN 202321980477U CN 220534087 U CN220534087 U CN 220534087U
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- assembly
- assembling
- oil seal
- shaft
- guide sleeve
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- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000007847 structural defect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a framework oil seal assembly device. The device comprises a press-fit device, the press-fit device comprises an assembly shaft and an assembly guide sleeve, the assembly shaft comprises a centering shaft and an annular locating surface arranged at one end of the centering shaft, an outer circle of the centering shaft is mutually perpendicular to the annular locating surface, the assembly guide sleeve is provided with an assembly hole, the assembly hole is formed by an inner hole of the assembly guide sleeve, the outer circle of the assembly guide sleeve is arranged to be step-shaped, and a step surface of the step-shaped outer circle of the assembly guide sleeve is mutually perpendicular to the axis of the assembly hole. The skeleton oil seal assembling device is accurate in assembly, and can effectively avoid the problems of oil leakage, oil seal damage and the like.
Description
Technical Field
The utility model relates to the technical field of forklifts. In particular to a framework oil seal assembly device used in a forklift input shaft assembly structure.
Background
The forklift input shaft assembly is an important part of a manual gear forklift and is arranged between an engine and a gearbox and mainly used for transmitting engine power into the gearbox. Because the engine drives the input shaft to rotate at a high speed, the performance and quality requirements on oil seal assembly are high in order to avoid oil leakage. The anchor clamps that former oil blanket assembly was used can't ensure the oil blanket mounted position owing to structural defect, and damage the oil blanket easily in the assembly, and the oil leak fault rate is higher after sale.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a framework oil seal assembly device. The skeleton oil seal assembling device is accurate in assembly, and can effectively avoid the problems of oil leakage, oil seal damage and the like.
The technical scheme of the framework oil seal assembling device comprises a press-fitting device, wherein the press-fitting device comprises an assembling shaft and an assembling guide sleeve, the assembling shaft comprises a centering shaft and an annular locating surface arranged at one end of the centering shaft, an outer circle of the centering shaft is perpendicular to the annular locating surface, the assembling guide sleeve is provided with an assembling hole, the assembling hole is formed by an inner hole of the assembling guide sleeve, the outer circle of the assembling guide sleeve is arranged to be in a step shape, and the step surface of the step-shaped outer circle of the assembling guide sleeve is perpendicular to the axis of the assembling hole.
The annular locating surface is formed by an annular step surface arranged at the corresponding end of the convex ring table of the assembly shaft, and one end of the assembly shaft, which is close to the annular locating surface, forms a centering shaft.
The end face of one end of the assembly guide sleeve is provided with a convex ring body corresponding to the corresponding concave surface of the framework oil seal, and the inner diameter and the outer diameter of the convex ring body are respectively larger than and smaller than the corresponding inner diameter and the outer diameter of the assembly guide sleeve.
The framework oil seal assembling device is convenient and accurate in clamping, high in relative accuracy and accurate in assembling, can ensure that the framework oil seal is assembled in place, and cannot damage the framework oil seal in the assembling process.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a framework oil seal assembly device according to the present utility model; FIG. 2 is a schematic diagram of the positioning and assembling of a framework oil seal by the framework oil seal assembling device of the utility model; fig. 3 is a schematic structural diagram of a forklift input shaft assembly assembled by the framework oil seal assembling device.
Detailed Description
In order to further understand the technical scheme of the utility model, the technical scheme of the utility model is clearly and completely described by the embodiment and the attached drawings.
As shown in fig. 1-3. The framework oil seal assembling device comprises a press-fitting device, wherein the press-fitting device comprises an assembling shaft 1, an assembling guide sleeve 2 and the like.
The assembly shaft 1 includes a centering shaft 1b, an annular positioning surface 1c, and the like. The annular positioning surface 1c is formed by an axial annular step surface arranged at the corresponding end of a convex ring table 1a of the outer circle, namely the outer circumferential wall, of the assembly shaft 1, and the centering shaft 1b is formed by one end of the assembly shaft close to the annular positioning surface 1 c. The outer circle of the centering shaft 1b is perpendicular to the annular positioning surface 1 c.
The assembly guide sleeve 2 is provided with an assembly hole 2a and an annular step surface 2c, wherein the assembly hole 2a is formed by an inner hole of the assembly guide sleeve 2, the outer circle of the assembly guide sleeve 2, namely the peripheral wall surface is arranged to be in a step shape, the annular step surface 2c is formed by an axial table-board of the step-shaped outer circle of the assembly guide sleeve 2, and the annular step surface 2c is mutually perpendicular to the axis of the assembly hole.
The assembly guide sleeve 2 is formed into a round big-small head shape of the appearance by an annular step surface, and the outer circle of one end of the round big-head section of the assembly guide sleeve 2, which is close to the annular step surface 2c, is provided with a transitional conical surface 2d. The free end face of the round small end section of the assembly guide sleeve 2 is provided with a convex ring body 2b corresponding to the corresponding concave face of the framework oil seal 3, the inner diameter of the convex ring body 2b is larger than the inner diameter of the assembly guide sleeve 2, the outer diameter of the convex ring body 2b is smaller than the outer diameter of the assembly guide sleeve 2, and an inner table surface and an outer table surface 2e are formed on the corresponding end face of the assembly guide sleeve 2 by the convex ring body 2 b.
The centering shaft 1b of the assembly shaft 1 and the assembly hole 2a of the assembly guide sleeve 2 correspond to the corresponding skeleton oil seal and the assembly bearing of the input shaft 5, respectively. One end of the convex ring body 2b of the assembly guide sleeve 2 corresponds to the free end of the centering shaft 1b of the assembly shaft, and the assembly guide sleeve 2 is sleeved on the centering shaft 1b of the assembly shaft through the assembly hole 2a of the assembly guide sleeve.
During assembly, the framework oil seal 3 is sleeved on the centering shaft 1b of the assembly shaft through an inner hole of the framework oil seal, the convex ring body 2b of the assembly guide sleeve 2 corresponds to the concave part of the framework oil seal 3, and the end face of the concave end of the framework oil seal is tightly attached to the inner and/or outer table surface of the assembly guide sleeve. The pressing device is aligned with the center of the bearing frame 4, one end of a centering shaft of the pressing device, which is provided with a framework oil seal, is installed into the bearing frame 4 from one end of a stepped hole of the bearing frame, and when the bearing frame is assembled, the other end of the pressing device is pressed, the assembling guide sleeve axially moves to be correspondingly matched with the bearing assembling hole of the bearing frame until the annular locating surface 1c of the centering shaft of the assembling shaft is tightly attached to the outer end surface of the corresponding end of the bearing frame 4, then the pressing device is removed, and the bearing 7 and the input shaft 5 are pressed on the bearing frame through corresponding inner holes of the bearing frame through corresponding check rings 6. And the input shaft 5 provided with the bearing 7 is pressed on the bearing frame through the corresponding inner hole of the bearing frame by the axial positioning retainer ring 6.
The above embodiments are only for illustrating the technical solution of the present utility model, but not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (3)
1. The utility model provides a skeleton oil blanket assembly quality, includes press-fit device, characterized by press-fit device includes the assembly axle to and the assembly guide pin bushing, the assembly axle include the centering shaft, and set up in the annular locating surface of centering shaft one end, centering shaft excircle and annular locating surface mutually perpendicular, the assembly guide pin bushing is equipped with the pilot hole, the pilot hole comprises the assembly guide pin bushing hole, the outer circle setting of assembly guide pin bushing is the step, the step face of the step excircle of assembly guide pin bushing and its pilot hole axis mutually perpendicular.
2. The frame oil seal assembling apparatus according to claim 1, wherein the annular positioning surface is formed by an annular step surface provided at a corresponding end of the convex ring stage of the assembling shaft, and one end of the assembling shaft near the annular positioning surface is formed as a centering shaft.
3. The assembling device for the framework oil seal according to claim 1, wherein the end face of one end of the assembling guide sleeve is provided with a convex ring body corresponding to the corresponding concave surface of the framework oil seal, and the inner diameter and the outer diameter of the convex ring body are respectively larger than and smaller than the corresponding inner diameter and the outer diameter of the assembling guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321980477.1U CN220534087U (en) | 2023-07-26 | 2023-07-26 | Framework oil seal assembling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321980477.1U CN220534087U (en) | 2023-07-26 | 2023-07-26 | Framework oil seal assembling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220534087U true CN220534087U (en) | 2024-02-27 |
Family
ID=89969061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321980477.1U Active CN220534087U (en) | 2023-07-26 | 2023-07-26 | Framework oil seal assembling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220534087U (en) |
-
2023
- 2023-07-26 CN CN202321980477.1U patent/CN220534087U/en active Active
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