CN108481255A - The extracting tool and method for dismounting of a kind of fluid-link steering machine centre oil sealing - Google Patents
The extracting tool and method for dismounting of a kind of fluid-link steering machine centre oil sealing Download PDFInfo
- Publication number
- CN108481255A CN108481255A CN201810391795.1A CN201810391795A CN108481255A CN 108481255 A CN108481255 A CN 108481255A CN 201810391795 A CN201810391795 A CN 201810391795A CN 108481255 A CN108481255 A CN 108481255A
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- oil sealing
- serrated knife
- rises
- mandrel
- fluid
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- 238000007789 sealing Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000000694 effects Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 229910000639 Spring steel Inorganic materials 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- PYLLWONICXJARP-UHFFFAOYSA-N manganese silicon Chemical compound [Si].[Mn] PYLLWONICXJARP-UHFFFAOYSA-N 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Classifications
-
- 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
- B25B27/023—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 using screws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Automatic Assembly (AREA)
Abstract
The present invention relates to automobile steering system technical fields,Concretely it is the extracting tool and method for dismounting of a kind of fluid-link steering machine centre oil sealing,One end of mandrel is arranged with the serrated knife that rises,Rise serrated knife outer rim be equipped with backing pin,The outer rim of backing pin is arranged with interior locating ring,The right side of interior locating ring is equipped with baffle ring,The center of mandrel is arranged with lengthening set,The left end for lengthening set is equipped with buckle,It buckles and the groove for the serrated knife outer rim that rises is interlocked,The outer rim for lengthening set right end is arranged with outer positioning sleeve and nut,Nut is located at the right side of outer positioning sleeve,It lengthens and is equipped with oiliness bearing between set right end and mandrel,The right end of mandrel is arranged with washer,The left-hand face of washer and the right surface of oiliness bearing,Lengthen set has surface to be in contact,The right side of washer is equipped with eccentric wheel,Eccentric wheel is mutually fixed with mandrel,It is connected with handle using fixed pin on eccentric wheel,The present invention can effectively lock intermediate oil sealing,And perfect taking-up,Other frock clamps and auxiliary tool are not needed,And entirely tool construction is simply small and exquisite.
Description
Technical field
The present invention relates to automobile steering system technical fields, are concretely a kind of dismountings of fluid-link steering machine centre oil sealing
Tool and method for dismounting.
Background technology
In May, 2010,11 department such as National Development and Reform Commission dispatch a joint document declaration on the 31st, and China will be sent out with automobile
Remanufacturing for the parts such as motivation, gearbox, turning machine is attached most importance to, and is made to remanufacture product and is reached quality identical with original new product
And performance, reach the advanced form of circular economy " recycling ".
Development remanufacturing industry not only contributes to be formed the cycle of " resource-product-waste product-remanufactures product "
Economic model can more make full use of resource, preserve the ecological environment.
Whether the recovery utilization rate of waste product becomes remanufacturing industry and succeeds effective key factor.However, right
There is problem in turning machine when being recycled, disassembled, remanufactured, turning machine enclosure interior middle oil occurs during being enclosed in dismantling
Difficulty.
As shown in Figure 1, intermediate oil sealing is located at shell center, it is made of rubber material, is vulnerable part, when being pressed process,
Using the method press fitting expanded with heat and contract with cold, there is larger interference volume.If filling in shell using traditional special bar of use
Body, the method for the extrusion that then exerts a force not only are removed and are not thorough, it is easier to damage inner walls, cause inner wall plucking.Finally, cylinder
Cylinder can only be scrapped, and need that a large amount of human and material resources is spent to cut cylinder barrel, to ensure the recyclable profit of turning machine other component
With.The expenses such as labour cost are not calculated, only scrap a shell cylinder barrel with regard to the nearly over two hundred member of direct losses, annual loss is more
It is millions of.
Someone is enclosed in the position of turning machine shell according to middle oil, serrated knife is mounted on using one the suitable position of special bar
Set, by spring control serrated knife stretch, wait for that serrated knife fixes middle oil and is honored as a queen, then the special bar other end is tapped by hammer, will in
Between oil sealing take out.Though this method is feasible, there are many drawbacks：(1) working efficiency is not high, and serrated knife is difficult to find oil sealing position accurately, and positioning is not
Standard, it is inconvenient for use, even operated by two people is needed when operation；(2) difficulty is clamped, when tapping bar using hammer, needs to pass through tooling
Shell is fixed, otherwise easy damaged shell, and shell is irregular body, positioning datum difficulty is looked for, and needs to redesign special fixture
It can effectively clamp；(3) since serrated knife positioning is inaccurate, cause oil sealing dismounting to be not thorough, influence shell and remanufacture, and the newly peace of oil sealing
Dress.
Application No. is 201510435836.9《A kind of intermediate oil sealing disassembling apparatus of fluid-link steering machine and dismantling side
Method》Patent discloses a kind of intermediate oil sealing disassembling apparatus of fluid-link steering machine, but is by cutting tool during dismantling
The edge for being inserted into intermediate oil sealing utilizes the strength of jack, and the diameter for reducing intermediate oil sealing destroys intermediate oil sealing, keeps it de-
Go out turning machine shell, the apparatus structure of the patent disclosure is complicated, takes up a large area, and not easily moveable, in dismantling once
Jack, which overuses, to be easy to damage steering gear housing, and cutting tool is being inserted between intermediate oil sealing and shell
When, it is difficult to position, inner that intermediate oil sealing can be caused to remove is unclean, outer and cut or scratch can be caused to enclosure interior.
A kind of tool of oil sealing and easy to operate of can easily and effectively removing among turning machine enclosure interior is designed thus
The disassembling method of accurate positioning be very it is necessary to.
Invention content
The present invention breaches the problem of the prior art, and turning machine enclosure interior can easily and effectively be removed by devising one kind
The disassembling method of the tool of intermediate oil sealing and accurate positioning easy to operate.
In order to achieve the above object, the present invention devises a kind of extracting tool of fluid-link steering machine centre oil sealing, including rises
Serrated knife, lengthens set, long handle at oiliness bearing, it is characterised in that：One end of mandrel is arranged with the serrated knife that rises, and the outer rim for the serrated knife that rises is set
There are backing pin, the outer rim of backing pin to be arranged with interior locating ring, the right side of interior locating ring is equipped with baffle ring, and the center of mandrel is arranged with lengthening
Set, the left end for lengthening set are equipped with buckle, buckle and the groove for the serrated knife outer rim that rises is interlocked, lengthen set right end outer rim be arranged with it is outer
Positioning sleeve and nut, nut are located at the right side of outer positioning sleeve, lengthen and are equipped with oiliness bearing, the right side of mandrel between set right end and mandrel
End cap is equipped with washer, and the left-hand face of washer has surface to be in contact with what the right surface of oiliness bearing, lengthening covered, the right side of washer
Equipped with eccentric wheel, eccentric wheel is mutually fixed with mandrel, is connected with handle using fixed pin on eccentric wheel；The mandrel is taper core
Axis.
The long handle of at least two rotational symmetry is connected on the nut.
The folding angle of the serrated knife that rises is 30 °.
The shape of the outer positioning sleeve is boss-shaped.
The serrated knife that rises is hollow cylinder.
A kind of intermediate oil sealing disassembling method of fluid-link steering machine has also been devised in the present invention, based on a kind of above-mentioned hydraulic rotation
To the demounting tool of the intermediate oil sealing of machine, it is characterised in that：Double short pins are used first, are added the positioning method of a facet, are made
The serrated knife that rises can be accurately positioned the position of intermediate oil sealing, wherein double short pins refer to interior locating ring and outer positioning sleeve, one short pin limit
2 degree of freedom are made, two short pins are exactly 4 degree of freedom, and a facet refers to then the boss plane of outer positioning sleeve, limit 1
Degree of freedom is exactly the limitation of 5 degree of freedom altogether, ensure rise serrated knife can be accurately positioned turn to shell in intermediate oil sealing；Its
It is secondary using eccentric wheel as driving link, conical core shaft to lengthen set as holder, pulls cam, conical core shaft is made to do as driven member
Radial alignment moves, and makes the serrated knife opening that rises by the inclined wedge of conical core shaft, has the function that oil sealing is blocked in locking；It again will cone
The inclined-plane of mandrel is spent as inclined wedge, and the inclined hole for the serrated knife that rises makes the axial movement of conical core shaft be changed into the serrated knife that rises as sliding block
Radial motion, to lock intermediate oil sealing, then rotates long handle by the radial motion for the serrated knife that rises, and long handle drives nut,
Since turning machine shell is fixed, so lengthening set can be driven to axially move by rotating nut, lengthening set can drive
This extracting tool axially moves, to be drawn off in the case where not destroying intermediate oil sealing.
Compared with prior art, the present invention the present invention is convenient for mounting and clamping, intermediate oil sealing, and perfect taking-up can be effectively locked；Work
Accurate positioning is filled, needs intermediate oil sealing that can be taken out from one end from shell nozzle；It is easy to use, do not need other toolings folder
Tool and auxiliary tool, and entire tool construction is simply small and exquisite, can carry, be moved easily.
Description of the drawings
Fig. 1 is the turning machine shell with intermediate oil sealing.
Fig. 2 is the structural schematic diagram of the present invention.
Fig. 3 is the structural schematic diagram of interior locating ring in the present invention.
Fig. 4 is the structural schematic diagram of China and foreign countries' positioning sleeve of the present invention.
Fig. 5 is the structural schematic diagram of eccentric wheel in the present invention.
Fig. 6 is the structural schematic diagram of mandrel in the present invention.
Fig. 7 is the sectional view of serrated knife of rising in the present invention.
Specific implementation mode
The present invention is described further in conjunction with attached drawing.
Referring to Fig. 2, the present invention devises a kind of extracting tool of fluid-link steering machine centre oil sealing, including the serrated knife that rises, oil-containing
Bearing lengthens set, and long handle, one end of mandrel 1 is arranged with the serrated knife 2 that rises, and the outer rim of the serrated knife 2 that rises is equipped with backing pin 3, backing pin 3 it is outer
Edge is arranged with interior locating ring 4, and the right side of interior locating ring 4 is equipped with baffle ring 5, and the center of mandrel 1 is arranged with lengthening set 6, lengthens set 6
Left end is equipped with buckle, buckles and the groove for 2 outer rim of serrated knife that rises is interlocked, and the outer rim for lengthening 6 right ends of set is arranged with 7 He of outer positioning sleeve
Nut 8, nut 8 are located at the right side of outer positioning sleeve 7, lengthen and are equipped with oiliness bearing 9, the right side of mandrel 1 between 6 right ends of set and mandrel 1
End cap is equipped with washer 10, and the left-hand face of washer 10 and the right surface of oiliness bearing 9 lengthen and cover 6 and have surface to be in contact, washer
10 right side is equipped with eccentric wheel 11, and eccentric wheel 11 is fixed with 1 phase of mandrel, is connected with handle 12 using fixed pin on eccentric wheel 11.
The long handle 13 of at least two rotational symmetry is connected in the present invention on nut 8.
Rise in the present invention serrated knife 2 folding angle be 30 °.
Mandrel 1 is conical core shaft in the present invention.
The shape of China and foreign countries' positioning sleeve 7 of the present invention is boss-shaped.
The serrated knife 2 that rises in the present invention is hollow cylinder.
In specific implementation, it is contemplated that the problem of positioning, the present invention adds the positioning of a facet using double short pins
Mode.
As shown in Figure 3 and Figure 4,4 width of interior locating ring is 10mm, and 7 width of outer positioning sleeve is 25mm, respectively less than workpiece diameter
38.9mm is for two short pins, and one short pin limits 2 degree of freedom, and two short pins are exactly 4；Outer positioning sleeve 7 is designed to boss
Shape, the boss can be regarded as a facet, and 1 degree of freedom is limited, and be exactly altogether in this way 5 degree of freedom, it is ensured that
The serrated knife 2 that rises can be accurately positioned the intermediate oil sealing of shell, to enable the intermediate oil sealing of the perfect dismantling of the tooling.
Also according to the size of other different product model cylinder barrels, the outer diameter of locating ring and positioning sleeve is adjusted accordingly,
The tooling can disassemble the oil sealing of other all similar products.
On clamp system, the present invention uses eccentric clamp system, eccentric clamp system to keep tool structure simple, clamps fast
Speed, it is easy to operate.
Referring to Fig. 5, the eccentric part that the present invention uses is eccentric wheel 11, and using eccentric wheel 11 as driving link, conical core shaft is made
For driven member, it is holder to lengthen set 6, pulls cam, conical core shaft is made to do radial alignment movement, pass through the inclined wedge of conical core shaft
So that the serrated knife opening that rises, has the function that oil sealing is blocked in locking.
It is the structural schematic diagram of mandrel 1 in the present invention referring to Fig. 6, the present invention is both as carrying using conical core shaft
For the effect of 2 inclined wedge of serrated knife and the driven member of eccentric wheel 11 of rising, wedge mechanism is to play power to transmit and direction of motion conversion
Effect, herein, as inclined wedge, the inclined hole of the serrated knife 2 that rises makes the axial fortune of conical core shaft as sliding block on the inclined-plane of conical core shaft
Turn become the rising radial motion of serrated knife 2, to lock intermediate oil sealing, then rotates long hand by the radial motion for the serrated knife 2 that rises
Handle 13, long handle 13 drive nut 8.Since turning machine shell is fixed, so lengthening can be driven to cover by rotating nut 8
6 axially move, and lengthening set can drive entire tooling to axially move, to be taken in the case where not destroying intermediate oil sealing
Go out.
It is the structural schematic diagram for the serrated knife 2 that rises that the present invention uses, according to the size shape of intermediate oil sealing, tooth referring to Fig. 7
Knife makes hollow cylinder into, and conical core shaft is acted by eccentric wheel 11, then changes Impact direction, serrated knife energy by wedge mechanism
Stress is opened, to achieve the purpose that clamping and fixed intermediate oil sealing.
The serrated knife 2 that rises is worked under dynamic loading environment, and material needs：1. elastic deformability；2. high yield strength；
3. when bearing heavy load, will not cause to be plastically deformed；4. have high fatigue strength, under load repeated action, have compared with
Long service life.Therefore, rise the material of serrated knife 2, and the present invention has selected high speed spring steel 60Si2Mn, the 60Si2Mn spring steel to be
Widely used silicon-manganese spring steel, intensity, elasticity and quenching degree are high.
During specific dismantling, double short pins being used first, add the positioning method of a facet, making to rise by serrated knife 2 can
To be accurately positioned the position of intermediate oil sealing, wherein double short pins refer to interior locating ring 4 and outer positioning sleeve 7, one short pin limits 2 certainly
By spending, two short pins are exactly 4 degree of freedom, and a facet refers to then the boss plane of outer positioning sleeve 7, limit 1 degree of freedom,
Be exactly the limitation of 5 degree of freedom altogether, ensure rise serrated knife 2 can be accurately positioned turn to shell in intermediate oil sealing；Secondly with inclined
Heart wheel 11 is used as driving link, conical core shaft to be holder to lengthen set 6, pull cam, conical core shaft is made to do radial direction as driven member
Linear motion makes the opening of serrated knife 2 that rises by the inclined wedge of conical core shaft, reaches the work for blocking oil sealing from tensioner inside intermediate oil sealing
With；Again using the inclined-plane of conical core shaft as inclined wedge, the inclined hole for the serrated knife 2 that rises makes the axial movement of conical core shaft turn as sliding block
Become rising the radial motion of serrated knife 2, and long handle is then rotated to lock intermediate oil sealing by the radial motion for the serrated knife 2 that rises
13, long handle 13 drives nut 8, since turning machine shell is fixed, so can drive lengthening set 6 by rotating nut 8
It axially moves, lengthening set 6 can drive this extracting tool to axially move, thus in the case where not destroying intermediate oil sealing by it
It takes out.
The present invention completely solves the problem of oil sealing among dismantling turning machine shell, by the whole of original turning machine cylinder barrel
It scraps, it is complete available to turning machine housing assembly, nearly million economic loss has been retrieved for company, even more corresponding state every year
Family calls, and waste and old turning machine is scrapped in reducing for high degree, substantially increases the recovery utilization rate to waste and old turning machine,
Accomplish to make full use of and remanufactured resource, indirectly, has also been made that due contribution to preserve the ecological environment.
Claims (6)
1. the extracting tool of oil sealing among a kind of fluid-link steering machine, including the serrated knife that rises, oiliness bearing, lengthening set, long handle are special
Sign is：Mandrel（1）One end be arranged with the serrated knife that rises（2）, rise serrated knife（2）Outer rim be equipped with backing pin（3）, backing pin（3）Outer rim
It is arranged with interior locating ring（4）, interior locating ring（4）Right side be equipped with baffle ring（5）, mandrel（1）Center be arranged with lengthening set（6）,
Lengthen set（6）Left end be equipped with buckle, buckle and the serrated knife that rises（2）The groove of outer rim is interlocked, and lengthens set（6）The outer rim set of right end
Equipped with outer positioning sleeve（7）And nut（8）, nut（8）Positioned at outer positioning sleeve（7）Right side, lengthen set（6）Right end and mandrel（1）
Between be equipped with oiliness bearing（9）, mandrel（1）Right end be arranged with washer（10）, washer（10）Left-hand face and oiliness bearing
（9）Right surface, lengthen set（6）There is surface to be in contact, washer（10）Right side be equipped with eccentric wheel（11）, eccentric wheel（11）With
Mandrel（1）It is mutually fixed, eccentric wheel（11）It is upper to use fixed pin and handle（12）It is connected；The mandrel（1）For conical core shaft.
2. the extracting tool of oil sealing among a kind of fluid-link steering machine according to claim 1, it is characterised in that：The nut
（8）On be connected with the long handles of at least two rotational symmetry（13）.
3. the extracting tool of oil sealing among a kind of fluid-link steering machine according to claim 1, it is characterised in that：The tooth that rises
Knife（2）Folding angle be 30 °.
4. the extracting tool of oil sealing among a kind of fluid-link steering machine according to claim 1, it is characterised in that：It is described outer fixed
Position set（7）Shape be boss-shaped.
5. the extracting tool of oil sealing among a kind of fluid-link steering machine according to claim 1, it is characterised in that：The tooth that rises
Knife（2）For hollow cylinder.
6. a kind of intermediate oil sealing disassembling method of fluid-link steering machine, the intermediate oil sealing based on a kind of above-mentioned fluid-link steering machine
Demounting tool, it is characterised in that：Double short pins are used first, are added the positioning method of a facet, are made the serrated knife that rises（2）It can essence
The position for determining oil sealing among position, wherein double short pins refer to interior locating ring（4）With outer positioning sleeve（7）, one short pin limitation 2 is certainly
By spending, two short pins are exactly 4 degree of freedom, and a facet refers to then outer positioning sleeve（7）Boss plane, limit 1 freedom
Degree, is exactly the limitation of 5 degree of freedom altogether, ensures the serrated knife that rises（2）The intermediate oil sealing turned in shell can be accurately positioned；Its
It is secondary with eccentric wheel（11）As driving link, conical core shaft is as driven member, to lengthen set（6）For holder, cam is pulled, makes taper
Mandrel does radial alignment movement, makes the serrated knife that rises by the inclined wedge of conical core shaft（2）It opens, reaches from tensioner inside intermediate oil sealing
Block the effect of oil sealing；Again using the inclined-plane of conical core shaft as inclined wedge, rise serrated knife（2）Inclined hole as sliding block, make taper core
The axial movement of axis is changed into the serrated knife that rises（2）Radial motion, pass through the serrated knife that rises（2）Radial motion, to lock middle oil
Envelope, then rotates long handle（13）, long handle（13）Drive nut（8）, since turning machine shell is fixed, so by turning
Dynamic nut（8）Lengthening can be driven to cover（6）It axially moves, lengthens set（6）This extracting tool can be driven to axially move, to
It is drawn off in the case where not destroying intermediate oil sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810391795.1A CN108481255B (en) | 2018-04-27 | 2018-04-27 | Disassembling tool and method for middle oil seal of hydraulic steering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810391795.1A CN108481255B (en) | 2018-04-27 | 2018-04-27 | Disassembling tool and method for middle oil seal of hydraulic steering machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108481255A true CN108481255A (en) | 2018-09-04 |
| CN108481255B CN108481255B (en) | 2024-05-17 |
Family
ID=63314267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810391795.1A Active CN108481255B (en) | 2018-04-27 | 2018-04-27 | Disassembling tool and method for middle oil seal of hydraulic steering machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN108481255B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360751A (en) * | 2020-03-12 | 2020-07-03 | 成都飞机工业（集团）有限责任公司 | Method for pulling out inner embedded bushing |
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| CN106346405A (en) * | 2015-07-22 | 2017-01-25 | 博世华域转向系统有限公司 | Disassembling device and method for intermediate oil seal of hydraulic steering machine |
| CN106378473A (en) * | 2016-10-21 | 2017-02-08 | 武汉重工铸锻有限责任公司 | Device and method for machining sealing grooves of central oil holes of medium-high speed diesel engine crankshaft |
| CN208231697U (en) * | 2018-04-27 | 2018-12-14 | 博世华域转向系统有限公司 | A kind of extracting tool of fluid-link steering machine centre oil sealing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200960612Y (en) * | 2006-09-30 | 2007-10-17 | 江苏飞船股份有限公司 | Internal expansion positioning drill fixture |
| WO2012055120A1 (en) * | 2010-10-29 | 2012-05-03 | 大连科德数控有限公司 | Tool post driven directly by electric motor for turning-milling combined machining center |
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| CN205465982U (en) * | 2016-04-16 | 2016-08-17 | 利欧集团浙江泵业有限公司 | Tear stator frock open |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360751A (en) * | 2020-03-12 | 2020-07-03 | 成都飞机工业（集团）有限责任公司 | Method for pulling out inner embedded bushing |
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| Publication number | Publication date |
|---|---|
| CN108481255B (en) | 2024-05-17 |
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