CN106181861B - Elastic conjunction part disassembling fixture - Google Patents
Elastic conjunction part disassembling fixture Download PDFInfo
- Publication number
- CN106181861B CN106181861B CN201610660302.0A CN201610660302A CN106181861B CN 106181861 B CN106181861 B CN 106181861B CN 201610660302 A CN201610660302 A CN 201610660302A CN 106181861 B CN106181861 B CN 106181861B
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- China
- Prior art keywords
- face
- driving member
- pouring orifice
- axle
- blind flange
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Classifications
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention provides a kind of elastic conjunction part disassembling fixture, and one end of the briquetting and bolt that are arranged on the side end face of driving member one is connected, and the other end of bolt is connected through driving member with end face blind flange；Bolt is multiple, along the circumference of driving member；One end face of end face blind flange is seal face, and another side end face formation of seal face and driving member seals, makes to form annular seal space between end face blind flange and the end face of axle；At least one pouring orifice connects with annular seal space.In use, bolt passes through driving member, both ends connect briquetting and end face blind flange respectively；Annular seal space is formed between end face blind flange and the end face of axle；Hydraulic oil is injected from pouring orifice, hydraulic oil is entered in annular seal space, driving member is departed from axle.Scheme more than, elastic conjunction part can be dismantled with relatively low cost, it is versatile, it is simple to operate, securely and reliably.
Description
Technical field
Manufactured the present invention relates to marine low speed diesel engine and maintenance field, particularly one kind are used to dismantle and diesel engine
The elastic conjunction part disassembling fixture and method for dismounting of the drive sprocket of cam axis connection.
Background technology
In marine low speed diesel engine manufacturing field, for cam shaft for diesel engine with sprocket wheel axis hole using being interference fitted, diesel engine is convex
The radius of wheel shaft reaches 70mm, the magnitude of interference between cam shaft for diesel engine and sprocket wheel axis hole up to 0.3 ~ 0.4mm, during installation using plus
Sprocket wheel is installed on camshaft by the method for hot sprocket wheel, when sprocket wheel damages or other reasonses need to dismantle sprocket wheel, by adding
The method of hot sprocket wheel can not be dismantled.Prior art is typically pressed out sprocket wheel using hydraulic press from camshaft, and it is led
It is running cost height to want shortcoming；Or sprocket wheel and camshaft assembly are placed on pincers worker platform, pressed using multiple bolts
Out, it is easily that dismounting effect cannot protect because force inequality causes camshaft to be pulled with sprocket hole the shortcomings that this method
Card, and the volume of sprocket wheel and camshaft assembly is larger, and space-consuming is big, and operation is relatively complicated, and labor intensity is big.For
The sprocket wheel scrapped can be cut away sprocket wheel using mach mode, but the method major defect is also that running cost is higher.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of elastic conjunction part disassembling fixture and method for dismounting, can be with
Relatively low cost, removes the driving member of elastic conjunction, and is able to ensure that in unloading process and will not pull axle and driving member, it is ensured that
Effect is dismantled, and it is versatile, it is simple to operate, securely and reliably.
In order to solve the above technical problems, the technical solution adopted in the present invention is：A kind of elastic conjunction part disassembling fixture, if
Put and connected in the briquetting of the side end face of driving member one and one end of bolt, the other end of bolt connects through driving member and end face blind flange
Connect；
Bolt is multiple, along the circumference of driving member；
One end face of end face blind flange is seal face, and another side end face formation of seal face and driving member seals,
Make to form annular seal space between end face blind flange and the end face of axle；
At least one pouring orifice connects with annular seal space.
In preferable scheme, the end face that described briquetting contacts with driving member is put down to be corresponding with the side end face of driving member one
Face, curved surface or inclined-plane, so that the end face of briquetting opposite side is vertical with the axis of bolt.
In preferable scheme, seal is provided between described seal face and driving member.
In preferable scheme, described driving member is sprocket wheel or gear.
In preferable scheme, described driving member side wall is provided with the first pouring orifice, and the shaft hole inner wall of driving member is provided with annular
Oil groove, oil groove connects with the first pouring orifice.
In preferable scheme, described oil groove is two, and the first pouring orifice is two accordingly, and two oil grooves are along driving member
Axis hole axis distribution.
In preferable scheme, the groove of connection oil groove and annular seal space is additionally provided with.
In preferable scheme, side of the end face blind flange away from axial end is provided with the second pouring orifice, the second pouring orifice with it is close
Seal chamber connection.
In preferable scheme, described seal face be bulge loop structure, and the end face of bulge loop structure is sealing surface, sealing surface and
The position of driving member axis hole shoulder forms sealing；.
A kind of method that driving member is dismantled using above-mentioned elastic conjunction part disassembling fixture, is comprised the following steps：
First, bolt passes through driving member, and both ends connect briquetting and end face blind flange respectively；
2nd, annular seal space is formed between end face blind flange and the end face of axle；
3rd, first from the first pouring orifice inject hydraulic oil, first using less pressure make hydraulic oil fully infiltrate axis hole with
Between axle, pressurize；
Then hydraulic oil is injected simultaneously from the first pouring orifice and the second pouring orifice, increase oil pressure is until driving member（1）With axle
（8）Start to release, keep pressure, until driving member（1）With axle（8）Between depart from, when will be disengaged from shortly, progressively lower hydraulic oil
Pressure, depart from driving member and axle.
In preferable scheme, drilled in the end face of driving member, oil groove is connected with annular seal space.
A kind of elastic conjunction part disassembling fixture and method for dismounting provided by the invention, the scheme more than, can
Elastic conjunction part, such as the sprocket wheel of interference fit or gear and axle, in unloading process, high pressure are dismantled with relatively low cost
Hydraulic oil can enter between driving member and axle, by driving member swell, and hydraulic oil can be also protected between driving member and axle
Fitting surface, so as to avoid pulling axle and driving member, it is ensured that dismounting effect, and the present invention it is versatile, it is simple to operate, safety
Reliably.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the schematic front view of the present invention.
Fig. 2 is the schematic side view of the present invention.
Fig. 3 is the close-up schematic view at A in Fig. 2.
In figure：Driving member 1, briquetting 2, bolt 3, nut 4, end face blind flange 5, seal face 51, the first pouring orifice 6, oil
Groove 7, axle 8, annular seal space 9, the second pouring orifice 10.
Embodiment
Embodiment 1：
In Fig. 1 ~ 3, a kind of elastic conjunction part disassembling fixture, the briquetting 2 of the side end face of driving member 1 one and bolt 3 are arranged on
One end connection, the other end of bolt 3 is connected through driving member 1 with end face blind flange 5；The structure of briquetting as shown in Fig. 1,2,
In echelon, two bolts pass through from briquetting 2, and bolt is stud, often hold and are connected with nut thread in front.Preferable scheme
In Fig. 2,3, described briquetting 2 with end face that driving member 1 contacts is plane corresponding with the side end face of driving member 1 one, curved surface or
Inclined-plane, so that the end face of the opposite side of briquetting 2 is vertical with the axis of bolt 3.Bolt 3 is multiple, along the circumference cloth of driving member 1
Put.Preferably, bolt 3 is evenly arranged；Briquetting 2 can be multiple, or one.
One end face of end face blind flange 5 is seal face 51, and another side end face of seal face 51 and driving member 1 is formed
Sealing, make to form annular seal space 9 between the end face of end face blind flange 5 and axle 8；In preferable scheme, described seal face 51 with
Seal is provided between driving member 1.
At least one pouring orifice connects with annular seal space 9.Thus structure, when the hydraulic oil of high pressure enters sealing from pouring orifice
In chamber 9, i.e., thrust is produced to the end face of axle 8, while thrust is also produced to the inner side end of end face blind flange 5, passed so as to drive
The axial displacement of moving part 1, until departing from axle.
In preferable scheme, described driving member 1 is sprocket wheel or gear.It is sprocket wheel in this example.Axle in this example is cam
Axle.
In preferable scheme such as Fig. 1 ~ 3, the described side wall of driving member 1 is provided with the first pouring orifice 6, in the axis hole of driving member 1
Wall is provided with the oil groove 7 of annular, and oil groove 7 connects with the first pouring orifice 6.Thus structure, for injecting hydraulic oil, when the hydraulic pressure of high pressure
Oil is injected into pouring orifice, makes the swell of driving member 1, consequently facilitating dismounting driving member 1.
In further preferred scheme such as Fig. 2, described oil groove 7 is two, and the first pouring orifice 6 is two accordingly, two
Axis hole axis distribution of the individual oil groove 7 along driving member 1.
In preferable scheme, the groove of connection oil groove and annular seal space 9 is additionally provided with.Thus structure, it is easy to high pressure liquid force feed to enter
Into annular seal space 9.
In further preferred scheme, side of the end face blind flange 5 away from axial end is provided with the second pouring orifice 10, and second
Pouring orifice 10 connects with annular seal space 9.Thus structure, can individually or auxiliary the offer thrust that separates sprocket wheel with axle.
In preferable scheme, described seal face 51 is bulge loop structure, and as shown in Figure 3, the end face of bulge loop structure is
For sealing surface.Thus structure, it is easy to form sealing with the position of the axis hole shoulder of driving member 1.Can so as to form the side wall of annular seal space 9
To be the shaft hole inner wall of driving member 1, or the endoporus side wall of bulge loop structure.
Embodiment 2：
A kind of method that driving member is dismantled using above-mentioned elastic conjunction part disassembling fixture, is comprised the following steps：
First, bolt 3 passes through driving member 1, and both ends connect briquetting 2 and end face blind flange 5 respectively；
By taking sprocket wheel as an example, according to chain sprocket structure, briquetting is designed between sprocket profiles gusset, briquetting quantity is as far as possible
It is more, and be necessary for symmetrical or be evenly arranged；There are constant slope or curved surface, briquetting and sprocket interface design angle in sprocket profiles face
Degree or curved surface need identical, and bolt can be contacted fully with briquetting during ensureing to assemble, and Impact direction is along bolt axis direction.
2nd, annular seal space 9 is formed between the end face of end face blind flange 5 and axle 8；Preferably, in seal face 51 and driving member 1
Between seal is set.
3rd, hydraulic oil is injected from pouring orifice, hydraulic oil is entered in annular seal space 9, driving member 1 is departed from axle 8.
When the scheme using only the first pouring orifice 6, directly from the first pouring orifice 6 injection high pressure liquid force feed.It is preferred that
Scheme in, driving member 1 end face drill, oil groove 7 is connected with annular seal space 9.Thus scheme, hydraulic oil can be made faster
Enter in annular seal space 9.
When the scheme using only the second pouring orifice 10, first using less pressure, such as 1 MPa of oil pressure, pressurize
30min, hydraulic oil is set fully to infiltrate between axis hole and axle, then lasting intensified pressure, until driving member 1 starts pine with axle 8
It is de-, pressure is kept, until departing between driving member 1 and axle 8, it is further preferred that when will be disengaged from shortly, progressively lowers hydraulic oil
Pressure, to ensure safety.
When using the scheme of the first pouring orifice 6 and the second pouring orifice 10, hydraulic oil first is injected from the first pouring orifice 6, is adopted
With less pressure, such as 1 MPa of oil pressure, hydraulic oil is set fully to infiltrate between axis hole and axle, pressurize 5min；Then from
One pouring orifice 6 and the second pouring orifice 10 inject hydraulic oil simultaneously, and increase oil pressure until driving member 1 starts to release with axle 8, press by holding
Power, until departing between driving member 1 and axle 8, it is further preferred that when will be disengaged from shortly, progressively lower the pressure of hydraulic oil, with
Ensure safety.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as the limitation for the present invention, this Shen
Please in embodiment and embodiment in feature in the case where not conflicting, can mutually be combined.The protection model of the present invention
Enclose the equivalent substitution side of technical characteristic in the technical scheme that should be recorded with claim, including the technical scheme of claim record
Case is protection domain.Equivalent substitution i.e. within this range is improved, also within protection scope of the present invention.
Claims (4)
1. a kind of elastic conjunction part disassembling fixture, it is characterized in that：It is arranged on driving member（1）The briquetting of one side end face（2）With bolt
（3）One end connection, bolt（3）The other end pass through driving member（1）With end face blind flange（5）Connection；
Bolt（3）To be multiple, along driving member（1）Circumference；
End face blind flange（5）An end face be seal face（51）, seal face（51）With driving member（1）Another side end face
Sealing is formed, makes end face blind flange（5）With axle（8）End face between form annular seal space（9）；
At least one pouring orifice and annular seal space（9）Connection；
Described briquetting（2）With driving member（1）The end face of contact is and driving member（1）The corresponding plane in one side end face, curved surface or
Inclined-plane, so that briquetting（2）The end face of opposite side and bolt（3）Axis it is vertical；
Described driving member（1）Side wall is provided with the first pouring orifice（6）, driving member（1）Shaft hole inner wall be provided with annular oil groove
（7）, oil groove（7）With the first pouring orifice（6）Connection；
End face blind flange（5）Side away from axial end is provided with the second pouring orifice（10）, the second pouring orifice（10）With annular seal space
（9）Connection；
Described seal face（51）For bulge loop structure, the end face of bulge loop structure is sealing surface, sealing surface and driving member（1）Axis hole
The position of shoulder forms sealing；
Described seal face（51）With driving member（1）Between be provided with seal.
2. a kind of elastic conjunction part disassembling fixture according to claim 1, it is characterized in that：Described driving member（1）For chain
Wheel or gear.
3. a kind of elastic conjunction part disassembling fixture according to claim 1, it is characterized in that：Described oil groove（7）For two,
First pouring orifice（6）Corresponding is two, two oil grooves（7）Along driving member（1）Axis hole axis distribution.
4. for one kind using the method for the elastic conjunction part disassembling fixture dismounting driving member described in any one of claim 1 ~ 3, it is special
Sign is to comprise the following steps：
First, bolt（3）Through driving member（1）, both ends connect briquetting respectively（2）With end face blind flange（5）；
2nd, end face blind flange（5）With axle（8）End face between form annular seal space（9）；
3rd, first from the first pouring orifice（6）Hydraulic oil is injected, first hydraulic oil is fully infiltrated axis hole and axle using less pressure
Between, pressurize；
Then from the first pouring orifice（6）With the second pouring orifice（10）Hydraulic oil is injected simultaneously, and increase oil pressure is until driving member（1）With
Axle（8）Start to release, keep pressure, until driving member（1）With axle（8）Between depart from, when will be disengaged from shortly, progressively lower hydraulic pressure
The pressure of oil, makes driving member（1）With axle（8）Depart from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610660302.0A CN106181861B (en) | 2016-08-12 | 2016-08-12 | Elastic conjunction part disassembling fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610660302.0A CN106181861B (en) | 2016-08-12 | 2016-08-12 | Elastic conjunction part disassembling fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106181861A CN106181861A (en) | 2016-12-07 |
| CN106181861B true CN106181861B (en) | 2018-03-16 |
Family
ID=57514194
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610660302.0A Active CN106181861B (en) | 2016-08-12 | 2016-08-12 | Elastic conjunction part disassembling fixture |
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| CN (1) | CN106181861B (en) |
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| CN107676368A (en) * | 2017-11-02 | 2018-02-09 | 四川优机实业股份有限公司 | Quick detachable self-locking couples mill drive axle construction |
| CN110076722A (en) * | 2019-04-18 | 2019-08-02 | 中峰化学有限公司 | The quick method for dismounting of the medium-and-large-sized bearing of vinegar sheet finished product washer |
| CN110202520A (en) * | 2019-05-21 | 2019-09-06 | 广州中船文冲船坞有限公司 | Shaft coupling disassembling fixture and shaft coupling method for dismounting |
| CN113417923A (en) * | 2021-07-15 | 2021-09-21 | 四川大学 | Combined screw structure and assembling and disassembling method |
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| CN101323350A (en) * | 2008-06-25 | 2008-12-17 | 沪东重机有限公司 | Method and apparatus for detaching shrinkage disk from shaft |
| CN101862951A (en) * | 2010-04-14 | 2010-10-20 | 沪东重机有限公司 | Assembling and disassembling device and method of camshaft shock absorber flange of marine low-speed diesel engine |
| CN103133545A (en) * | 2013-03-07 | 2013-06-05 | 李会敬 | Shaft-hub connection device |
| CN203348355U (en) * | 2013-04-10 | 2013-12-18 | 中煤张家口煤矿机械有限责任公司 | Coupler keyless joint structure and high-pressure disassembly and assembly device |
| CN103921252A (en) * | 2014-04-17 | 2014-07-16 | 中船澄西新荣船舶有限公司 | CPP shafting hydraulic coupling dismounting method |
| CN105436868A (en) * | 2016-01-06 | 2016-03-30 | 江苏科技大学 | Hydraulic push-pull device with automatic pressure relief function for interference fit assembly and disassembly of shafts and holes |
| CN205870426U (en) * | 2016-08-12 | 2017-01-11 | 青岛海西船舶柴油机有限公司 | Frock is dismantled to interference fit spare |
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2016
- 2016-08-12 CN CN201610660302.0A patent/CN106181861B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5333378A (en) * | 1991-01-02 | 1994-08-02 | Sjoebom Boerje | Method for pulling bearings, a bearing puller and use thereof |
| US6502293B1 (en) * | 2000-11-09 | 2003-01-07 | Cummins Engine Company, Inc. | Tooling for camshaft gear removal |
| CN101323350A (en) * | 2008-06-25 | 2008-12-17 | 沪东重机有限公司 | Method and apparatus for detaching shrinkage disk from shaft |
| CN101862951A (en) * | 2010-04-14 | 2010-10-20 | 沪东重机有限公司 | Assembling and disassembling device and method of camshaft shock absorber flange of marine low-speed diesel engine |
| CN103133545A (en) * | 2013-03-07 | 2013-06-05 | 李会敬 | Shaft-hub connection device |
| CN203348355U (en) * | 2013-04-10 | 2013-12-18 | 中煤张家口煤矿机械有限责任公司 | Coupler keyless joint structure and high-pressure disassembly and assembly device |
| CN103921252A (en) * | 2014-04-17 | 2014-07-16 | 中船澄西新荣船舶有限公司 | CPP shafting hydraulic coupling dismounting method |
| CN105436868A (en) * | 2016-01-06 | 2016-03-30 | 江苏科技大学 | Hydraulic push-pull device with automatic pressure relief function for interference fit assembly and disassembly of shafts and holes |
| CN205870426U (en) * | 2016-08-12 | 2017-01-11 | 青岛海西船舶柴油机有限公司 | Frock is dismantled to interference fit spare |
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| Publication number | Publication date |
|---|---|
| CN106181861A (en) | 2016-12-07 |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20200330 Address after: 266520 No. 501 Lijiang East Road, Huangdao District, Shandong, Qingdao Patentee after: CHINA SHIPBUILDING INDUSTRY CORPORATION DIESEL ENGINE Co.,Ltd. Address before: 266520 No. 501 Lijiang East Road, Shandong, Qingdao Patentee before: QINGDAO HAIXI MARINE DIESEL ENGINE Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266520 No. 501 Lijiang East Road, Huangdao District, Qingdao, Shandong Patentee after: China Shipbuilding Industry Corporation Diesel ENGINE Co.,Ltd. Address before: 266520 No. 501 Lijiang East Road, Huangdao District, Qingdao, Shandong Patentee before: CHINA SHIPBUILDING INDUSTRY CORPORATION DIESEL ENGINE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |