CN105033946B - Installation tool component - Google Patents
Installation tool component Download PDFInfo
- Publication number
- CN105033946B CN105033946B CN201510177927.7A CN201510177927A CN105033946B CN 105033946 B CN105033946 B CN 105033946B CN 201510177927 A CN201510177927 A CN 201510177927A CN 105033946 B CN105033946 B CN 105033946B
- Authority
- CN
- China
- Prior art keywords
- bent axle
- sprocket wheel
- belt wheel
- installation tool
- tool component
- Prior art date
- 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
-
- 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
- B25B27/0035—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for motor-vehicles
-
- 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
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
- F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The present invention relates to a kind of installation tool component of the crankshaft sprocket device in internal combustion engine of motor vehicle cylinder block-crankcase (1), the wherein belt wheel (31) of axially outer, sprocket wheel (27) and bent axle (5) formation axial compression coordinate, the central screw (41) being wherein tightened in bent axle side (29) makes belt wheel (31) be squeezed in the case of being provided with sprocket wheel (27) in centre on bent axle side (29), and the sprocket wheel (27) passes through the sealed connection (44) of shape, it is arranged on particularly by end face engagement between belt wheel (31) and bent axle side (29).There is retaining element (59) according to installation tool component of the present invention, sprocket wheel (27) is definitely fixed on bent axle side (29) position when central screw (41) is dismantled by it.
Description
Technical field
The present invention relates to a kind of installation tool group of bent axle-chain gear apparatus in internal combustion engine of motor vehicle cylinder block-crankcase
Part, a kind of method for being used to dismantle with the belt wheel for being built-in with damper and a kind of side for being used to assemble bent axle-chain gear apparatus
Method.
Background technology
In the case of user service the damper being for example connected in drivetrain can be changed by means of specific purpose tool.This subtracts
Shake device can below described in this bent axle-chain gear apparatus in be built into belt wheel.
In this arrangement, the belt wheel of axially outer, for drive oil pump, camshaft and compensate axle three sprocket wheels and
Bent axle forms axial extrusion fit.In extrusion fit, the central screw being tightened in bent axle side is provided with sprocket wheel in centre
In the case of make belt wheel relative to bent axle side clamp.Here, sprocket wheel by end face engagement be arranged on belt wheel and bent axle side it
Between, as known to the B4 of DE 10 2,005 017 976.The above-mentioned song as known to the A1 of DE 10 2,004 050 440
Axle-chain gear apparatus.
Sprocket wheel is arranged in controller housing in assembled state, and controller housing regulation is outside cylinder block-crankcase and controller
Between cap.Observe in the axial direction, belt wheel is arranged on beyond controller housing lid and passes through controller housing by hub portion
Lid support holes guiding, and with the sealed connection of sprocket-shaped.
It is following to perform dismounting belt wheel and be built in damper therein：Unclamped first from bent axle and remove central screw.
Then the belt wheel unclamped now can be changed and damper therein is built in.When central screw is dismantled, sprocket wheel is only by can
It is maintained at the slotting connection simply unclamped on bent axle side.Unclamp, do not allow by chain from bent axle in order to prevent that sprocket wheel is unexpected
Transmission loads sprocket wheel with tilting moment, and they can cause sprocket wheel to come off.Therefore, in the prior art change damper when always
Whole Chain conveyer is set to relax.Upper chain cover must be pulled down for this, will pass through instrument entrance.Although Chain conveyer is loose,
There is also the hidden danger that sprocket wheel and bent axle depart from when relaxed.Need to remove controller housing lid in this case and make
Sprocket wheel is inserted with bent axle be connected again, and this brings high mounting cost.
The content of the invention
It is an object of the present invention to provide a kind of installation tool component, which simplify the installation of bent axle-chain gear apparatus and
Dismounting.
The erector that this purpose passes through bent axle-chain gear apparatus in a kind of cylinder block-crankcase for internal combustion engine of motor vehicle
Tool component is achieved, wherein, belt wheel, sprocket wheel and the bent axle formation axial compression of axially outer coordinate, wherein, it is tightened in bent axle
Central screw in side makes belt wheel relative crankshaft end side compression in the case where centre is provided with sprocket wheel, and the sprocket wheel is locked by shape
Connect setting is closed between belt wheel and bent axle side, the installation tool component has retaining element, passes through the retaining element energy
Sprocket wheel is set definitely to be fixed on bent axle side position when central screw is dismantled, wherein, the retaining element is to pass through chain
The latch of the screw hole guiding of wheel, the latch can be tightened when central screw is dismantled with bent axle side, and/or the stop
The expansion wedge that pin can be adjusted radially with least one, can make the expansion for the position of the fixed chain wheels on bent axle side
Wedge is supported by the screw hole inner circumferential of sprocket wheel.
According to one aspect of the present invention, the installation tool component has retaining element, by retaining element at center
Sprocket position is set definitely to be fixed on bent axle side during screw disassembling.In this case, save in mounting technique bothersomely
Removal is bonded on the Chain conveyer on sprocket wheel.Can be above-mentioned in sprocket wheel and crankshaft end with axial restraint by means of additional retaining element
Thus slotting connection between side, prevent that sprocket wheel from falling down reliablely.
The retaining element preferably can be that latch is in its tip/head through the latch of the screw hole guiding of sprocket wheel
Portion has external screw thread.Screw hole can be the hole or screwed hole that screw is passed through.The latch can be torn open in central screw
It is tightened in when unloading by internal thread on bent axle side.In addition, the latch can have at least one radially outward to adjust
Expansion wedge.The latch being tightened in by expanding wedge to make in bent axle is supported or is tensioned by the screw hole inner circumferential of sprocket wheel,
Thus sprocket wheel is made to put determination bent axle side is upper
Adjusting screw is wedged in order to radially adjust expansion, it is coaxially threadedly coupled with latch and is total to expansion wedge
Same-action.
In another embodiment, the installation tool component installs clamping device, installation folder except retaining element also has
Tight device loads the extrusion fit being made up of belt wheel, sprocket wheel and bent axle when central screw is dismantled with axial force.The installation folder
Tight device can have placed in the middle, plate-like supporting member, and the supporting member is placed on belt wheel when being also equipped with central screw
On side.Described to install the installing space that clamping device be extended radially out with least one, it can form axle
To being clamped with cylinder block-crankcase in the case of power.
The supporting member being placed on belt wheel side can also have instrument entrance.The instrument entrance is preferably to install and clamped
Central tool bore in the plate-like supporting member of device.When dismantling belt wheel, clamping device will be installed in the first step and placed
Thus clamped on the side of belt wheel and in the case where forming axial force.Then center spiral shell is unclamped in the second installation steps
Nail, and taken off by the instrument entrance for installing clamping device.Latch is tightened with bent axle side in third step, and
And also when expanding wedge immigration.Then the expansion wedge of latch is expanded, for ensureing positioning of the sprocket wheel on bent axle.Then connecing
Unclamped in the installation steps from belt wheel and clamping device is installed, and remove belt wheel.
In another embodiment, the installation tool component has adapter, is torn open by it in belt wheel and in central screw
When unloading by sprocket position definitely top pressure on bent axle side.It is preferred that the adapter can be guided on latch periphery.For
This described latch can have external screw thread, and it is engaged with fixing nut screw thread.Can be with by means of adapter described in fixing nut
Sprocket wheel is set to be clamped relative to bent axle side, and when latch is screwed in advance into bent axle side.
In assembled state, regulation has controller housing between cylinder block-crankcase and controller housing lid, outside controller
Sprocket wheel is located in shell.The belt wheel is axially disposed within outside controller housing lid and passes through controller by hub portion herein
Casing cover support holes guiding, and with sprocket-shaped it is sealed connection (end face is engaged).
Perform the assembling of this bent axle-chain gear apparatus as follows according to the present invention：Latch is screwed into the first step
In bent axle side.Then sprocket wheel axial location is correctly clamped on bent axle side by means of adapter.Step is installed second
The sprocket wheel for being properly positioned position by means of the expansion wedge in latch in rapid is tensioned and removes the adaptation no longer needed now
Part.Controller housing lid is installed in the 3rd installation steps and therefore makes the sprocket wheel fixed by means of latch by controller housing
Lid is covered.Then belt wheel is placed on sprocket wheel and by means of installing clamping device with axial force top in the 4th installation steps
Pressing sprocket.The latch no longer needed now and installation center screw are unclamped in installation steps then.
Advantageous extension structure and improvement project of the invention that be previously mentioned and/or providing in the dependent claims, is removed
For example except clearly it is related or non-combined select except, can also apply individually or in any combination.
Brief description of the drawings
The present invention and its favourable expansion structure and improvement project and its advantage are explained in detail below by way of accompanying drawing.It is attached
Illustrate：
Fig. 1 is bent axle-chain gear apparatus part sectioned view in internal combustion engine of motor vehicle cylinder block-crankcase,
Fig. 2 is in the example of the sealed connection of shape of bent axle-between side and sprocket wheel, and it is engaged by side and realized,
Fig. 3 to 5 corresponds respectively to Fig. 1 view, and the installation process for changing damper is shown by means of them, and
Fig. 6 and 7 respectively illustrates the assembled view of bent axle-chain gear apparatus.
Embodiment
Anterior figure 1 illustrates the cylinder block-crankcase of internal combustion engine of motor vehicle, it is for understanding that the present invention is required.Therefore
Bent axle 5 is rotatably supported by base bearing 3 in cylinder block-crankcase 1, bent axle is driven by connecting rod 7 and unshowned piston to be connected
Connect, piston is movably guided in cylinder 9.Cylinder block-crankcase 1 forms controller housing 11 in its front, and it is by means of control
Device casing cover 13 is sealed shut.The chain and sprocket driving device 15 of oil pump is provided in controller housing 11, for camshaft
Chain and sprocket driving device 17 and the chain and sprocket driving device 19 for compensating axle, and with corresponding sprocket wheel 21,23,25, their materials
Consistent and integratedly constitute three sprocket wheels 27, three sprocket wheel is arranged on bent axle side 29.Bent axle 5 goes back driving pulley 31, tool
Damper 33 therein is built in, it is axially disposed within outside controller housing 11.Belt wheel 31 has hub portion 35, hub portion
Through the support holes 37 of controller lid 33.Sealing ring is provided between the hub portion 35 of belt wheel 31 and the edge of opening of support holes 37
39。
In the assembling position according to Fig. 1, belt wheel 31, sprocket wheel 27 and bent axle 5 form axial extrusion fit, wherein being screwed into
Central screw 41 in bent axle side 29 is acted against by its head of screw on the annular boss of belt wheel 31, and belt wheel is set in centre
Relative bent axle side 29 is compressed in the case of having sprocket wheel 27.Sprocket wheel 27 on two axially opposed side with bent axle side 29
With 44 (Fig. 2) of the sealed connection of the shape of belt wheel 31.The sealed connection 44 of shape passes through bent axle side 29 and the wheel hub of belt wheel 31 respectively in the accompanying drawings
Side engaging piece 45,47 on the contact surface that portion 35 is faced is realized.
The method for dismantling belt wheel 31 Yu being built into damper 33 therein is described by means of following Fig. 3 to 5：First
Clamping device 49 will be installed in the first installation steps to be coaxially placed on belt wheel side 51.According to Fig. 3, clamping device is installed
49 have placed in the middle, plate-like supporting member 53 and the installing arm 55 stretched out from its side, wherein, only partly set in figure 3
Put lower installing arm.Changed to pre-install belt wheel, clamping device 49 will be installed first and be placed on the side 51 of belt wheel 31, and
Then axial force F is being formedAIn the case of clamped with cylinder block-crankcase 1, be specifically formed in installing arm 55 and cylinder crankshaft
In the case of threaded connection 57 between case 1.
As having been shown in figure 3, when clamping installation clamping device 49, unclamp and remove central screw
41, and keep the axial compression between belt wheel 31, sprocket wheel 27 and bent axle 5 to coordinate.Through the support for installing clamping device 49
Remove central screw 41 in instrument ingate 60 in part 53.
In following installation steps, prepare retaining element 59, the position of sprocket wheel 27 is definitely fixed on bent axle by it
On side 29.Retaining element 59 is latch, it according to Fig. 4 by install the central tool ingate 60 of clamping device 49 with it is bent
Shaft end side 29 is tightened.Latch 59 have figure 4 illustrates radially expansion wedge 61.Expand wedge and in latch 59
The collective effect of adjusting screw 63 of longitudinal axis guiding.Figure 4 illustrates the immigration state of two expansion wedges 61.For sprocket wheel 27
Position fix, adjusting screw 63 is manipulated, for making two expansion wedges 61 be supported by the inner circumferential of the screw hole of sprocket wheel 27.Stop
Pin 59 and screw in adjusting screw 63 therein be designed to it is smaller than screw bore dia on belt wheel 31.
When removing installation clamping device 49, it can easily remove and change belt wheel 31 and be built in damping therein
Device 33, if as shown in Figure 5.
When re-assemblying, belt wheel 31 is placed on controller housing lid 13 with being built in damper 33 therein first
The sealed connection of shape is placed in support holes 37 and with sprocket wheel 27.Then installation clamping device 49 is installed again, to be set in centre
Have in the case of sprocket wheel with axial force FABelt wheel 31 is compressed relative to bent axle side 29.Unclamp now in latch 59 and sprocket wheel 27
Middle expansion connects and dismantles latch 59.Then tighten central screw 41 and peace is dismantled in last installation steps
Fill clamping device 49.
Alternatively the method for assembling bent axle-chain gear apparatus is shown for Fig. 3 to 5 by means of Fig. 6 and 7.With it is above-mentioned
Accompanying drawing is different, and latch 59 is expanded or is tensioned by adapter in figs. 6 and 7.The design of adapter 65 is circularized and may move
Ground is supported on the periphery of latch 59.In addition, latch 59 is furnished with external screw thread 67, thereon, screw thread is engaged with fixing nut
69。
When assembling bent axle-chain gear apparatus, sprocket wheel 27 is fixed on bent axle side 29 first.Therefore, passing through sprocket wheel 27
Guide latch 59 and tightened with bent axle side 29.Then adapter 65 is fixed to clamp in bent axle by means of fixing nut 69
On side 29.In next installation steps, the adjusting screw 63 of latch 59 is manipulated, for being tensioned latch and sprocket wheel 27.Connect
Release adapter 65 and its fixing nut 69 around latch 59.Controller housing lid 13 is tightened in another process
In cylinder block-crankcase 1 and it is subsequently passed through the guiding belt wheel 31 and being placed in of support holes 37 of controller housing lid 13 and is connect with sprocket wheel 27
Touch.And then installation clamping device 49 is installed again, is unclamped and is removed latch 59, then tightens central screw 41.Finally, in peace
Unclamped after dress central screw 41 and clamping device 49 is installed and taken off from cylinder block-crankcase 1.
Claims (12)
1. a kind of installation tool component of bent axle-chain gear apparatus in cylinder block-crankcase (1) for internal combustion engine of motor vehicle, its
In, belt wheel (31), sprocket wheel (27) and bent axle (5) the formation axial compression of axially outer coordinate, wherein, it is tightened in bent axle side
(29) central screw (41) in compresses belt wheel (31) relative bent axle side (29) in the case where centre is provided with sprocket wheel (27),
The sprocket wheel (27) is arranged between belt wheel (31) and bent axle side (29) by the sealed connection (44) of shape, it is characterised in that institute
Stating installation tool component has retaining element (59), can make sprocket wheel (27) when central screw (41) is dismantled by the retaining element
Position is definitely fixed on bent axle side (29), wherein, the retaining element (59) is to pass through the screw hole of sprocket wheel (27)
The latch of guiding, the latch can be tightened when central screw (41) is dismantled with bent axle side (29), and/or the latch
, can in order to which position of the sprocket wheel (27) on bent axle side (29) is fixed with the expansion wedge (61) that at least one can radially be adjusted
So that the expansion wedge is supported by the screw hole inner circumferential of sprocket wheel (27).
2. installation tool component according to claim 1, it is characterised in that the sprocket wheel (27) is engaged by end face and set
Between belt wheel (31) and bent axle side (29).
3. installation tool component according to claim 1, it is characterised in that in order to radially adjust expansion wedge (61) provided with tune
Whole screw (63), the adjusting screw can and latch axis coaxial engaged with the internal thread screw thread of latch (59) and with
Expand wedge (61) collective effect.
4. the installation tool component according to one of claims 1 to 3, it is characterised in that the installation tool component has
Clamping device (49) is installed, the installation clamping device is when central screw (41) is dismantled with axial force (FA) loading extrusion fit.
5. installation tool component according to claim 4, it is characterised in that the installation clamping device (49) has supporting
Part (53), the supporting member can be placed on belt wheel side (51) and empty with the installation that at least one is extended radially out
Between (55), the installing space can formed axial force (FA) in the case of with cylinder block-crankcase (1) clamp.
6. installation tool component according to claim 5, it is characterised in that the supporting on belt wheel side (51) can be placed on
Part (53) has instrument entrance (60), and central screw (41) can be unclamped by the instrument entrance.
7. installation tool component according to claim 1, it is characterised in that the installation tool component has adapter
(65) it is by the adapter that sprocket wheel (27) is correct with axial location, when belt wheel (31) and central screw (41) are dismantled
The relative bent axle side (29) of positioning is compressed.
8. installation tool component according to claim 7, it is characterised in that the latch has external screw thread (67), should
External screw thread can be engaged with fixing nut screw thread, and the adapter (65) can be pressed from both sides by means of fixing nut (69) relative to sprocket wheel (27)
Tightly.
9. installation tool component according to any one of claim 1 to 3, it is characterised in that cylinder block-crankcase (1) with
Controller housing (11) is defined between controller housing lid (13), sprocket wheel (27) is located in the controller housing, it is described
Belt wheel (31) is axially disposed within controller housing lid (13) outside and passes through controller housing lid (13) by hub portion (35)
Support holes (37) and with the sealed connection (45) of sprocket wheel (27) shape, and/or in the belt wheel (31) be built-in with a damper
(33)。
10. installation tool component according to claim 6, it is characterised in that fixation can be installed by the instrument entrance
Element (59).
11. a kind of method that installation tool component by according to any one of the claims dismantles belt wheel (31),
Clamping device (49) will be wherein installed in the first step to be placed on the side of belt wheel (31) (51) and forming axial force
(FA) in the case of clamp, unclamp in the second step and remove central screw (41), by means of fixed member in third step
Sprocket wheel (27) position is definitely fixed on bent axle side (29) by part (59), and will install in four steps clamping device
(49) unclamp and taken off together with belt wheel (31) from belt wheel (31).
12. it is a kind of by installation tool assembling components bent axle-chain gear apparatus according to any one of claim 1 to 10
The sprocket wheel also loosened (27), is clamped axially on bent axle side (29) by method by means of adapter (65) in the first step,
At least one expansion wedge (61) of latch is set to be supported relative to the screw hole inner circumferential of sprocket wheel (27) in the second step, the 3rd
The sprocket wheel (27) fixed by means of latch is covered with controller housing lid (13) in step, by belt wheel in four steps
(31) it is placed on sprocket wheel (27) and by means of installing clamping device (49) with axial force (FA) relative sprocket wheel compressing, the 5th
Latch and installation center screw (41) are unclamped in step.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014005680.5A DE102014005680B4 (en) | 2014-04-16 | 2014-04-16 | Montagewerkzeugset |
| DE102014005680.5 | 2014-04-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105033946A CN105033946A (en) | 2015-11-11 |
| CN105033946B true CN105033946B (en) | 2017-07-11 |
Family
ID=54249756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510177927.7A Active CN105033946B (en) | 2014-04-16 | 2015-04-15 | Installation tool component |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105033946B (en) |
| DE (1) | DE102014005680B4 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019113443B4 (en) | 2019-05-21 | 2021-02-11 | Schaeffler Technologies AG & Co. KG | Belt pulley decoupler with axial toothing on both sides as well as ancillary unit drive |
| DE102021207706A1 (en) | 2021-07-20 | 2023-01-26 | Psa Automobiles Sa | Connection device for a crankshaft device of a motor vehicle and a motor vehicle with such a connection device |
| CN114193388B (en) * | 2021-12-14 | 2024-05-31 | 苏州长风航空电子有限公司 | Coaxial assembly tool and assembly method for arc-shaped counterweight rectangular lamination assembly |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1753780A (en) * | 1927-03-30 | 1930-04-08 | Willys Overland Co | Tool and method for removing generators |
| DE3622624A1 (en) * | 1986-07-05 | 1988-01-14 | Man Nutzfahrzeuge Gmbh | Gear-driven air compressor, designed as piston compressor, with overload coupling |
| JP3092457B2 (en) * | 1994-08-24 | 2000-09-25 | スズキ株式会社 | Engine timing chain mounting device |
| DE19614677C2 (en) * | 1996-04-13 | 1998-07-16 | Hatz Motoren | Crankshaft, in particular for single-cylinder internal combustion engines |
| DE102004050440A1 (en) * | 2004-10-16 | 2006-05-04 | Audi Ag | Engine block for reciprocating internal combustion engine, has chain wheel and chain arranged at the front wall of block, so that wheel and chain protrude, through cylinder center and rotational axis of crankshaft, into recess in front wall |
| DE102005017976B4 (en) * | 2005-04-19 | 2010-02-18 | Audi Ag | Crankshaft drive wheel assembly |
| DE102013205340B3 (en) * | 2013-03-26 | 2014-07-10 | Schaeffler Technologies Gmbh & Co. Kg | Wheel bearing unit of vehicle axle, has bearing hub which is associated with resilient expansion sleeve cooperating with joint bell, and supply port is provided for releasing clamping screw to tooth in gap position of front serrations |
| CN203254365U (en) * | 2013-04-28 | 2013-10-30 | 长城汽车股份有限公司 | Engine timing chain assembling tool |
-
2014
- 2014-04-16 DE DE102014005680.5A patent/DE102014005680B4/en not_active Expired - Fee Related
-
2015
- 2015-04-15 CN CN201510177927.7A patent/CN105033946B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105033946A (en) | 2015-11-11 |
| DE102014005680B4 (en) | 2016-03-24 |
| DE102014005680A1 (en) | 2015-10-22 |
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