CN103934666A - Auxiliary installing device and method of oil seal of oil pump transmission shaft - Google Patents
Auxiliary installing device and method of oil seal of oil pump transmission shaft Download PDFInfo
- Publication number
- CN103934666A CN103934666A CN201410190179.1A CN201410190179A CN103934666A CN 103934666 A CN103934666 A CN 103934666A CN 201410190179 A CN201410190179 A CN 201410190179A CN 103934666 A CN103934666 A CN 103934666A
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- Prior art keywords
- oil
- oil sealing
- seal seat
- oil seal
- face
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Reciprocating Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses an auxiliary installing device and method of an oil seal of an oil pump transmission shaft. The auxiliary installing device comprises a base and a pressure head. The top face of the base is provided with an annular groove. An oil seal seat of the oil pump transmission shaft is installed in the annular groove. The base is provided with a center hole. The pressure head is provided with a first step face used for abutting against the top face of the oil seal. The auxiliary installing device can rapidly install the oil seal of the oil pump transmission shaft into the oil seal seat, quality is detected before installation, the engine oil leakage fault of the oil seal due to outer circle trimming or inclination or partial protrusion of the oil seal is effectively prevented, and it is guaranteed that the oil seal after being assembled meets the use requirement.
Description
Technical field
The present invention relates to engine art, particularly a kind of auxiliary installation device of oil sealing of oil pump drive spindle and installation method.
Background technology
In engine working process, oil pump drives by the rotation of oil pump drive spindle, the bearing block inner chamber of oil pump drive spindle has mobile machine oil, machine oil is taken away the heat of generation in playing lubrication, in order to prevent that machine oil from spilling, oil seal seat need to be installed on bearing block, in oil seal seat, by interference fit, oil sealing be installed, oil pump drive spindle is through the external outputting power of oil sealing.
By the mode of beaing, oil sealing is installed on oil seal seat under normal circumstances, complete by manual operations, oil sealing cannot ensure with respect to the flatness of oil seal seat, and can not detect the installation quality of oil sealing before oil seal seat being installed in prior art on bearing block, there is cylindrical trimming, inclination or the local defect of protruding in the oil sealing after assembling like this, causes power transmission shaft oil sealing oil leakage fault frequently to occur.
The information that is disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply that in any form this information structure has been the known prior art of persons skilled in the art.
Summary of the invention
The object of the present invention is to provide a kind of auxiliary installation device and installation method of oil sealing of oil pump drive spindle, thereby there is cylindrical trimming, inclination or the local defect of protruding in the oil sealing that overcomes prior art.
For achieving the above object, the invention provides a kind of auxiliary installation device of oil sealing of oil pump drive spindle, auxiliary installation device comprises: base, and the end face of base is provided with the annular groove of the oil seal seat for oil pump drive spindle is installed, and base is provided with centre bore; Pressure head, which is provided with First terrace, and First terrace is for being connected to the end face of oil sealing.
Preferably, in technique scheme, be also provided with second step face on pressure head, under the state installing at oil sealing, second step face is connected on the end face of oil seal seat, and the diameter of second step face is greater than the diameter of First terrace.
The present invention also provides a kind of installation method of oil sealing of oil pump drive spindle, oil sealing is arranged on the step surface in the centre bore of oil seal seat, and the bottom of oil seal seat is provided with annular boss, installation method comprises the steps: to provide auxiliary installation device, auxiliary installation device comprises base and pressure head, base is provided with annular groove, and pressure head is provided with First terrace; Base is placed on the workbench of hydraulic press; Oil sealing is placed on the centre bore of oil seal seat; Oil seal seat is placed on base, annular boss is contained in the annular groove of base; Pressure head is placed in the centre bore of oil sealing and the centre bore of oil seal seat, First terrace is connected on the end face of oil sealing; Primer fluid press, presses pressure head downwards, moves downward in the centre bore of oil seal seat thereby utilize First terrace to promote oil sealing, and the bottom surface of oil sealing is abutted on the step surface of oil seal seat; The oil seal seat that oil sealing is installed is taken off, check the flatness of oil sealing, to determine that whether oil sealing is qualified.
Preferably, in technique scheme, be also provided with second step face on pressure head, and the diameter of second step face is greater than the diameter of First terrace, while the bottom surface of oil sealing being pushed on the step surface of oil seal seat, second step face is connected on the end face of oil seal seat.
Preferably, in technique scheme, check that the step of flatness of oil sealing comprises: taking the end face of oil seal seat as benchmark, measure the degree of depth of four points uniform on the end face of oil sealing with respect to the end face of oil seal seat, and calculate absolute value separately; Maximum in four absolute values that calculating detects and minimum of a value poor, is the flatness of oil sealing; If flatness≤0.3mm, oil sealing is qualified.
Compared with prior art, the present invention has following beneficial effect:
Auxiliary installation device of the present invention can be installed to the oil sealing of oil pump drive spindle in oil seal seat fast, and before installation, carry out quality testing, effectively prevent from, because oil-seal outer trimming, inclination or local protrusion cause oil sealing leaking engine oil fault, guaranteeing that the oil sealing after assembling meets instructions for use.
Brief description of the drawings
Fig. 1 is according to the structure chart of the pressure head of auxiliary installation device of the present invention.
Fig. 2 is according to the structure chart of the base of auxiliary installation device of the present invention.
Fig. 3 is the front view of oil seal seat.
Fig. 4 is the top view of Fig. 3.
Fig. 5 is the structure chart of oil sealing.
Main description of reference numerals:
1-pressure head, 11-First terrace, 12-second step face, 2-base, 21-annular groove, 22-centre bore, 3-oil seal seat, 31-centre bore, 32-annular boss, 33-end face, 34-step surface, 4-oil sealing, 41-bottom surface, 42-end face, 43-centre bore.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subject to the restriction of detailed description of the invention.
Unless separately there is other clearly to represent, otherwise in whole description and claims, term " comprises " or its conversion was stated being understood to include as " comprising " or " including " etc. element or part, and do not get rid of other element or other part.
Comprise base 2 and pressure head 1 according to the auxiliary installation device of the oil sealing of the oil pump drive spindle of the specific embodiment of the invention.As shown in Figure 1, pressure head 1 is provided with First terrace 11 and second step face 12, thereby makes pressure head 1 form two-stage Step Shaft.As shown in Figure 2, the end face of base 1 is provided with annular groove 21, and base 2 is provided with centre bore 22.
As shown in Figure 3,4, oil seal seat 3 is provided with centre bore 31, is provided with the step surface 34 that oil sealing 4 is installed in centre bore 31.The bottom of oil seal seat 3 is provided with annular boss 32, and annular boss 32 is arranged in the annular groove 21 of base 2, so that oil seal seat 3 is positioned on base 2.As shown in Figure 5, oil sealing 4 is provided with centre bore 43.
The method of utilizing auxiliary installation device of the present invention that oil sealing is installed comprises the steps:
Base 2 is placed on the workbench of hydraulic press;
Oil sealing 4 is placed on the centre bore 31 of oil seal seat 3;
Oil seal seat 3 is placed on base 2, the annular boss 32 of oil seal seat 3 is contained in the annular groove 21 of base;
Pressure head 1 is placed in the centre bore 43 of oil sealing 4 and the centre bore 31 of oil seal seat 3, the First terrace 11 of pressure head 1 is connected on the end face 42 of oil sealing 4;
Primer fluid press, press pressure head 1 downwards, move downward in the centre bore 31 of oil seal seat thereby utilize First terrace 11 to promote oil sealing 4, the bottom surface 41 of oil sealing 4 is connected on the step surface 34 of oil seal seat 3, second step face 12 is connected on the end face 33 of oil seal seat 3 simultaneously.When oil sealing 4 is installed on oil seal seat 3, the end face 42 of oil sealing 4 is not higher than the bottom of the chamfering of centre bore 31 end faces of oil seal seat 3.
Then, the oil seal seat 3 that oil sealing is installed is taken off, check the flatness of oil sealing 4, to determine that whether oil sealing is qualified:
Taking the end face 33 of oil seal seat 3 as benchmark, measure the depth value of four points uniform on the end face 42 of oil sealing 4 with respect to the end face 33 of oil seal seat 3, and calculate the absolute value of these four depth values;
Calculate the poor of maximum in four absolute values and minimum of a value, obtain the flatness of oil sealing 4;
If flatness≤0.3mm, oil sealing is qualified.
If every batch is less than 50 cover oil seal seat and oil sealings, 2 cover oil seal seats and oil sealing are carried out to flatness detection, if wherein the testing result of 1 cover is defective, when batch all detections.
If every batch is not less than 50 cover oil seal seat and oil sealings, 5 cover oil seal seats and oil sealing are carried out to flatness detection, if wherein the testing result of 1 cover is defective, when batch all detections.
Auxiliary installation device of the present invention can be installed to the oil sealing of oil pump drive spindle in oil seal seat fast, and before installation, carry out quality testing, effectively prevent from, because oil-seal outer trimming, inclination or local protrusion cause oil sealing leaking engine oil fault, guaranteeing that the oil sealing after assembling meets instructions for use.
The aforementioned description to concrete exemplary of the present invention is in order to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.Exemplary embodiment is selected and the object described is to explain certain principles of the present invention and practical application thereof, thereby made those skilled in the art can realize and utilize various exemplary of the present invention and various selection and change.Scope of the present invention is intended to be limited by claims and equivalents thereof.
Claims (5)
1. an auxiliary installation device for the oil sealing of oil pump drive spindle, is characterized in that, described auxiliary installation device comprises:
Base, the end face of described base is provided with the annular groove of the oil seal seat for oil pump drive spindle is installed, and described base is provided with centre bore;
Pressure head, which is provided with First terrace, and described First terrace is for being connected to the end face of oil sealing.
2. the auxiliary installation device of the oil sealing of oil pump drive spindle according to claim 1, it is characterized in that, on described pressure head, be also provided with second step face, under the state installing at oil sealing, described second step face is connected on the end face of oil seal seat, and the diameter of described second step face is greater than the diameter of described First terrace.
3. an installation method for the oil sealing of oil pump drive spindle, described oil sealing is arranged on the step surface in the centre bore of oil seal seat, and the bottom of described oil seal seat is provided with annular boss, it is characterized in that, and described installation method comprises the steps:
Auxiliary installation device is provided, and described auxiliary installation device comprises base and pressure head, and described base is provided with annular groove, and described pressure head is provided with First terrace;
Described base is placed on the workbench of hydraulic press;
Described oil sealing is placed on the centre bore of described oil seal seat;
Described oil seal seat is placed on described base, described annular boss is contained in the annular groove of described base;
Described pressure head is placed in the centre bore of described oil sealing and the centre bore of described oil seal seat, described First terrace is connected on the end face of described oil sealing;
Primer fluid press, presses described pressure head downwards, moves downward in the centre bore of described oil seal seat thereby utilize described First terrace to promote described oil sealing, and the bottom surface of described oil sealing is abutted on the step surface of described oil seal seat;
The described oil seal seat that oil sealing is installed is taken off, check the flatness of described oil sealing, to determine that whether described oil sealing is qualified.
4. the installation method of the oil sealing of oil pump drive spindle according to claim 3, it is characterized in that, on described pressure head, be also provided with second step face, and the diameter of described second step face is greater than the diameter of described First terrace, while the bottom surface of described oil sealing being pushed on the step surface of described oil seal seat described in second step face be connected on the end face of described oil seal seat.
5. according to the installation method of the oil sealing of the oil pump drive spindle described in claim 3 or 4, it is characterized in that, the step of the flatness of described inspection oil sealing comprises:
Taking the end face of described oil seal seat as benchmark, measure the degree of depth of four points uniform on the end face of described oil sealing with respect to the end face of described oil seal seat, and calculate absolute value separately;
Maximum in four absolute values that calculating detects and minimum of a value poor, is the flatness of oil sealing;
If flatness≤0.3mm, described oil sealing is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410190179.1A CN103934666A (en) | 2014-05-07 | 2014-05-07 | Auxiliary installing device and method of oil seal of oil pump transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410190179.1A CN103934666A (en) | 2014-05-07 | 2014-05-07 | Auxiliary installing device and method of oil seal of oil pump transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103934666A true CN103934666A (en) | 2014-07-23 |
Family
ID=51182680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410190179.1A Pending CN103934666A (en) | 2014-05-07 | 2014-05-07 | Auxiliary installing device and method of oil seal of oil pump transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103934666A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57189740A (en) * | 1981-05-15 | 1982-11-22 | Akira Washida | Spring ring inserting element |
| JPS60116963A (en) * | 1983-11-28 | 1985-06-24 | Toyoda Mach Works Ltd | Assembling device of seal part |
| EP0808686A1 (en) * | 1996-05-24 | 1997-11-26 | Automobiles Peugeot | Press-fitting device for a seal on a shaft |
| CN201394816Y (en) * | 2009-05-08 | 2010-02-03 | 广西玉柴机器股份有限公司 | Assembly component of engine crankshaft rear oil seal |
| CN201970088U (en) * | 2011-03-25 | 2011-09-14 | 莱恩（中国）动力有限公司 | Guiding device for press mounting for crankshaft oil seal |
| CN202192406U (en) * | 2011-06-16 | 2012-04-18 | 安徽全柴动力股份有限公司 | Press mounting tool for oil seals of diesel engines |
| CN202825709U (en) * | 2012-10-10 | 2013-03-27 | 山推工程机械股份有限公司 | Special pressing device used for skeleton oil seal assembly |
| CN203843474U (en) * | 2014-05-07 | 2014-09-24 | 广西玉柴机器股份有限公司 | Auxiliary mounting device of oil seal of oil pump transmission shaft |
-
2014
- 2014-05-07 CN CN201410190179.1A patent/CN103934666A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57189740A (en) * | 1981-05-15 | 1982-11-22 | Akira Washida | Spring ring inserting element |
| JPS60116963A (en) * | 1983-11-28 | 1985-06-24 | Toyoda Mach Works Ltd | Assembling device of seal part |
| EP0808686A1 (en) * | 1996-05-24 | 1997-11-26 | Automobiles Peugeot | Press-fitting device for a seal on a shaft |
| CN201394816Y (en) * | 2009-05-08 | 2010-02-03 | 广西玉柴机器股份有限公司 | Assembly component of engine crankshaft rear oil seal |
| CN201970088U (en) * | 2011-03-25 | 2011-09-14 | 莱恩（中国）动力有限公司 | Guiding device for press mounting for crankshaft oil seal |
| CN202192406U (en) * | 2011-06-16 | 2012-04-18 | 安徽全柴动力股份有限公司 | Press mounting tool for oil seals of diesel engines |
| CN202825709U (en) * | 2012-10-10 | 2013-03-27 | 山推工程机械股份有限公司 | Special pressing device used for skeleton oil seal assembly |
| CN203843474U (en) * | 2014-05-07 | 2014-09-24 | 广西玉柴机器股份有限公司 | Auxiliary mounting device of oil seal of oil pump transmission shaft |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140723 |
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| WD01 | Invention patent application deemed withdrawn after publication |