CN109424656A - Pneumatic manipulation unit with wear compensation mechanism - Google Patents
Pneumatic manipulation unit with wear compensation mechanism Download PDFInfo
- Publication number
- CN109424656A CN109424656A CN201811023535.5A CN201811023535A CN109424656A CN 109424656 A CN109424656 A CN 109424656A CN 201811023535 A CN201811023535 A CN 201811023535A CN 109424656 A CN109424656 A CN 109424656A
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- China
- Prior art keywords
- clamping
- piston
- breadth
- face
- manipulation device
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/75—Features relating to adjustment, e.g. slack adjusters
- F16D13/757—Features relating to adjustment, e.g. slack adjusters the adjusting device being located on or inside the clutch cover, e.g. acting on the diaphragm or on the pressure plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
- F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
- F16D25/083—Actuators therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/75—Features relating to adjustment, e.g. slack adjusters
- F16D13/755—Features relating to adjustment, e.g. slack adjusters the adjusting device being located in or near the release bearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
Abstract
The manipulation device (10) that the present invention relates to a kind of for friction clutch, the manipulation device includes the working piston (14) that can be moved relative to shell (12), the working piston has main piston (24) and regulating piston (26), the main piston (24) and the regulating piston (26) are configured to the structure being movable with respect to each other, clamp system (28) are wherein configured between the main piston (24) and the regulating piston (26), the clamp system is avoiding the movement between main piston (24) and regulating piston (26) by clamping in manipulation process, wherein the clamp system (28) has clamping element (40), the clamping element can be in contact with the breadth (58) of the first clamping face (38) and with the second clamping face (42), so as to Clamping action is provided.
Description
Technical field
The present invention relates to a kind of manipulation devices for friction clutch.
Background technique
It is known a kind of with wear compensation mechanism, pneumatic manipulation device.This manipulation device has multimember work
Plug, the piston can be axially relative to shell to manipulate friction clutch to move.The working piston includes master
Piston and regulating piston, the main piston and the regulating piston can be fixed by clamp system.The work is living
The action length of plug follows the abrasion journey of the friction clutch by the axial relative motion of main piston and regulating piston
Degree.The clamp system is the fixed action length of corresponding manipulation process.For this purpose, the clamp system includes two clampings
Face, the clamping element for fixing the action length are clamped between described two clamping faces.The clamping element usually constructs
For sphere, the sphere is in contact with cylinder.Thus there is relatively high surface pressing.
Summary of the invention
Therefore, the task of the present invention is a kind of manipulation device is provided, which has the abrasion with clamp system
Compensation mechanism, the clamp system provide reliable function with higher service life.
The task is resolved by a kind of manipulation device described in accordance with the claim 1.In the sub claims
The advantageous implementation modification of the manipulation device is explained.
The manipulation device is advantageously configured as motor vehicle, in particular for the pneumatic manipulation dress of commercial vehicle
It sets.Constructed on the manipulation device single member or multimember shell, the shell with it is can moving, especially
The working piston that can be moved axially together defines pressure chamber.The shell such as can be by fixedly connecting with conduit
The working cylinder that connects is constituted.Towards the direction of friction clutch when pressure rise of the working piston inside the pressure chamber
It is mobile.The spring element of the friction clutch, especially diaphragm spring are in the release bearing of the working piston and contact
Among, to be manipulated when moving axially, disconnect or be closed the friction clutch.
The working piston is configured to multimember structure and including main piston and regulating piston, the main piston and institute
It states regulating piston and is configured to the structure that can be moved, can especially move axially relative to each other.The working piston
Main piston and regulating piston are also referred to as the sub- piston of the working piston.In a kind of exemplary implementation modification, institute
Regulating piston is stated to slide on the conduit, and the main piston then slides on the regulating piston.A kind of as substitution
In the variant schemes of scheme, the main piston slides on the conduit and the regulating piston is sliding on the main piston
It is dynamic.
In addition, constructing clamp system on the working piston, which prevents the master in manipulation process
The relative motion of piston and the regulating piston.Thus the clamp system fixes the work of the working piston in manipulation process
Use length.This be fixed on when the manipulation process starts starts and is released from the end of the manipulation process.
For this purpose, constructing the clamping face of regulating piston side, the clamping face of main piston side and folder on the working piston
Tight part.These clamping faces are also referred to as the first clamping face and the second clamping face and can directly or indirectly construct in phase
On the sub- piston answered.For indirectly arranging, for example, can be arranged on the regulating piston regulating element and/or
Arrange clamping element on the main piston, the regulating element and the clamping element preferably fixedly with corresponding sub- piston
It is connected.
One of described clamping face extends preferably along the direction of motion, more particularly along axially direction, wherein another
A clamping surface construction is cone cell, to carry out the clamping element and the cone when relative motion between main piston and regulating piston
The clamping face of shape is in contact and the clamping element is clamped between the clamping face.It is tieed up at least along one in the clamping face
Degree is made up of a straight lines preferably along axial direction, and wherein these lines, the namely described clamping face be each other
Between have adjust angle α.This adjusts angle α and is not equal to 0 °, preferably between 5 ° to 20 °.
In addition, being that the clamp system constructs closure element on the working piston
The closure element is so limited in terms of the free movement of the clamping element, so that these clamping elements are at any time
It is arranged between the clamping face.In addition, the clamping element provides the first backstop, first backstop is in the manipulation process
Start that the clamping face of the cone cell can be made to move on on the clamping element, thus the fixed function is provided.It thus can not nothing
Functionally the clamping element is pushed open from the clamping face of the cone cell.In addition, the clamping element, which has, is used for the clamping
Second backstop of part.This second backstop is with the end of the manipulation process and on the housing by the closure element
It is relayed on the clamping element against by second backstop, to fix the clamping element and make the folder of the cone cell
It is removed from the clamping element in tight face.
In addition, being configured with breadth on the first clamping face, the breadth can be in contact with the clamping element.This
Breadth exemplarily by groove, slot perhaps flat surface come constitute the clamping element can be in the groove, slot or flat
It is rolled together on smooth surface.This rolling is especially between main piston and regulating piston or described during service life
When carrying out progressive relative motion between clamping face or when the manipulation process starts and terminates (Ausleiten) into
Row.The clamping element correspondingly has a rolling surface, the rolling surface be associated with the clamping face and the breadth and for into
Row abutting contact.
It is configured to realize much smaller surface pressing with clamping element coefficient breadth.The especially described breadth and its
Profile can match with the profile of the clamping element, such as plane-cylinder, circle-sphere or ellipse-spheroid.Institute
Breadth is stated circumferentially only to extend in the range of the part-circular periphery in the clamping face or sub-segments.In the clamping
Multiple breadths are advantageously constructed on face, the breadth is adjacent to each other advantageously along circumferencial direction and advantageously generates entire
Clamping face.The direction of relative movement, especially of the breadth, the especially described groove or the slot advantageously along isolation piston
It is axially extending.The clamping element can be rolled ideally on the breadth as a result,.
Such clamping face is exemplarily configured to polygon.
The clamping face advantageously constructs on the component of substantially rotational symmetry and is advantageously configured as circumferentially
The closed structure in direction.Here, the clamping face advantageously exists in the outside of the clamping element and radially radially
The Inner Constitution of the clamping element, wherein these clamping faces are described advantageous by the shape of cylinder or the side of cone.
The breadth preferable configuration is radially on the clamping face of the inside.It is convex so far in well known implementation modification
The rolling surface of protrusion is encountered in the clamping face risen, for example sphere encounters cylinder, wherein there is high surface pressing.Pass through the breadth
Composition, by the recessed clamping face that the breadth generates encounter by the sphere generate protrusion rolling surface.As
Alternative solution, flat clamping face can also be generated paired with each other with flat rolling surface by cylinder.
In a kind of advantageous variant schemes, the especially also clamping of outside radially when using cylindrical rolling member
Breadth is constructed on face.In principle, the surface pairings of the outside radially described in the prior artIt has been configured as the recessed structure of protrusion-.Corresponding, the use of breadth is described in diameter
It is particularly advantageous on the clamping face of the inside upwards.
The clamping element is advantageously configured as the structure around rotation axis rotational symmetry, wherein the rotation axis is same
When be also rolling axis, the rolling axis is advantageously transversely to the axial on the manipulation device to extend.With this phase
Corresponding, the clamping element is rolled around the rotation axis.The rolling surface of the clamping element is likewise constructed to rotational symmetry
Structure.
Next the advantageous implementation modification of the manipulation device is explained.
The corresponding breadth for clamping face advantageously has the shape complementary with the rolling surface of the clamping element.
The abutting contact (Anlagekontakt) that large area is realized by the moulding of the complementation, thus by the table
Surface pressure keeps small degree.For example the side for the breadth and cylinder for being configured to flat surface forms complementary shape.As
Alternative solution, the rolling surface can also be configured to the structure of protrusion, wherein the clamping surface construction is recessed structure, thus
The rolling surface provides the contact of large area with the clamping face.
It herein proposes, the profile for being directed toward the rolling surface of the breadth is configured to straight or raised structure.
In the section view of the clamping element and its rolling axis, it is seen that the profile of the rolling surface.Using protrusion
Profile when, the profile has been able to and circular clamping face matches outside radially.This radially outside
Clamping face more particularly to circular profile, from without constructing any breadth.Here, only should radially the inside
The breadth to match with the profile of the rolling member is constructed on clamping face.Nevertheless, width can be constructed on all clamping faces
Face.For cylindrical clamping element, this point is particularly advantageous.
The clamping element is advantageous by sphere, cylinder, ellipsoid of revolution or with curved rolling surface raisedly
Cylinder.
This represents the selection of the clamping element for being able to use, wherein the breadth or accordingly without the clamping of breadth
Face has complementary shape, for can be realized small surface pressing.Cylinder has substantially straight profile on its lateral surface.
Cylinder is substantially cylinder, wherein the side is not as the crow flies but is bent raisedly.
Particularly advantageously, the breadth in the clamping face or the clamping face is configured to recessed structure.
It is corresponding, the entire each breadth clamped in the breadth that surface construction is recessed structure or the clamping face
Itself all it is configured to recessed structure.First, for radially the disposed outside of the clamping element and be configured to justify
It is particularly the case for the clamping face of shape.The clamping face of the inside radially is divided into breadth, wherein the breadth
Breadth surface there is straight or recessed profile by used clamping element.As already explained, Neng Gou
Radially inside and also construct breadth on clamping face outside radially." recessed " is always related to herein described in
The surface of clamping element.What the breadth in the especially described clamping face was configured to extend along the manipulation direction or the axial direction
Flat plane cuts trough or groove.
In another implementation modification, the breadth in the clamping face is made of flat surface.
In a kind of embodiment as an alternative, the clamping face, the breadth surface and/or the rolling surface
With circular profile.
The clamping face provides the surface of itself or is made up of the summation on the breadth surface of each breadth.The circle
The profile of shape is such as generated when using sphere.
It herein proposes, the radius of the profile on the clamping face or breadth surface is more than or equal to the wheel of the rolling surface
Wide radius.
Corresponding, the radius of the profile in the clamping face is more than or equal to the radius of the profile of the rolling surface.
As an alternative, the radius of the profile on the breadth surface is more than or equal to the radius of the profile of the rolling surface.This
Aspect is suitable for the clamping element of the spherical shape and is suitable for all clamping elements with spherical profile, namely such as also fits
For cylinder-shaped clamping element.Thus surface pressing is greatly reduced.On the one hand, the clamping element is most preferably fitted into the breadth
In and can be run in the breadth, wherein power being distributed on big surface and being achieved in low in clamping process
Surface pressing.
In another variant schemes, the clamping face, the breadth surface and/or the rolling surface have ellipse
Profile.
The profile of the ellipse is a kind of change scheme of circular shape, but generally provides same advantage.
The clamping face can advantageously construct in the main piston, the regulating piston, regulating element or clamp member
On part.
Corresponding, the clamping face indirectly or directly constructs on the sub- piston of the working piston.?
Arrangement on the main piston represents a kind of direct arrangement just as the composition on the regulating piston.As
Alternative solution, the clamping face can construct on regulating element or clamping element, wherein self-evidently, at least one
Clamping face regulating piston side and another clamp face in main piston side structure on the working piston.The regulating element
It is correspondingly fixed on the main piston or the regulating piston with the clamping element and is held together with these pistons
The common movement of row.Indirect arrangement of the clamping face on corresponding element, which is gathered around, has the advantage that these clamping faces can be with
It is more easily made in processing technology.It especially can be than the mode that is added directly into the sub- piston more easily by institute
Breadth is stated to be added in the subsequent element being connected with the sub- piston.In addition, thus, it is possible to be subjected to the element separately
Outer process, such as quenching or coating procedure, therefore save on cost.
Detailed description of the invention
Next exemplarily and in detail the manipulation device is explained by means of multiple attached drawings.Attached drawing shows
Out:
Fig. 1 is the cross section of manipulation device, brand-new state, home position;
Fig. 2 is the cross section of manipulation device shown in FIG. 1, brand-new state, discrete state;
Fig. 3 is the cross section of manipulation device shown in FIG. 1, state of wear, home position;
Fig. 4 is the cross section of manipulation device, front view;
Fig. 5 is the amplification diagram of Fig. 4;
Fig. 6 is clamping element and the diagram for clamping face;
Fig. 7 is regulating element;
Fig. 8 is clamping element and another variant schemes for clamping face.
Specific embodiment
Fig. 1 shows a kind of pneumatic manipulation device 10.The pneumatic manipulation device 10 includes shell 12, multimember
Working piston 14 is guided in the shell 12 in a manner of it can be axially moved.The shell 12 and the work are living
Plug 14 forms pressure chamber, which can be filled with pressure medium, especially air, and it is living to be used to provide the described work
Axial movement of the plug 14 relative to the shell, for manipulating unshowned friction clutch.The working piston 14 is
This is by release bearing 18 and diaphragm spring among contacting.The shell 12 is made up of working cylinder 20, the work
Cylinder fixedly and is airtightly connected with conduit 22.
The pneumatic manipulation device 10 and its component are arranged in rotational symmetry substantially around central axes M.
Multimember working piston 14 includes main piston 24 and regulating piston 26, the main piston and regulating piston
Referred to as sub- piston.The main piston 24 and the regulating piston 26 are configured to the knot moved with being axially relative to one another
Structure.
In addition, the working piston 14 has clamp system 28, which is consolidated in manipulation process by clamping
The action length of the fixed working piston 14.As long as the working piston 14 is maintained in its home position, then the son is living
Plug is just free to be movable with respect to each other and compensate like this to the abrasion of the friction clutch.Exist as a result,
During the entire service life of the friction clutch, especially small dead zone is provided in the inside of the pressure chamber 16, thus
It can be realized for the quick of the friction clutch and comfortably manipulate.
Sealing element is constructed on contact surface between the shell 12 and the sub- piston 24,26, airtightly will be used for
Pressure chamber's closing.
The main piston 24 is configured to the structure of single member in this implementation modification and is lived by the adjusting
Plug 26 and the shell 12 are guided.And the regulating piston 26 with sliding part 32 then especially by being fixedly connected
Flange 30 is configured to multimember structure.The regulating piston 26 is led on the conduit 22 by the sliding part 32
Draw.In addition, the sliding part 32 provides the sliding surface for being used for the main piston 24.The flange 30 is in addition to the release bearing 18
Except also receive position sensor 36 for position sensing device 34.In addition, spring element 37 is for making release bearing 18
Enduringly it is in contact with the diaphragm spring.
The construction of clamp system 28 is between the main piston 24 and the regulating piston 26 and including multiple clampings
Part 40, the clamping element can be clamped between two clamping faces 38 and 42.The clamping element 40 is arranged on reference circle simultaneously
And it is circumferentially evenly distributed.
The first clamping face 38 is radially disposed the inside in the clamping element 40 and herein in regulating piston side
Construction is on clamping element 46.The second clamping face is radially disposed the outside in the clamping element 40 and in main piston
Side structure is on clamping element 46.The regulating element 44 is fixedly connected with the regulating piston 26 and clamping member
Part 46 is fixedly connected with the main piston 24.In a kind of implementation modification as an alternative, the clamping face
38, it 42 also can directly be fixed on corresponding sub- piston 24,26.
The first clamping face and the second clamping face are constituted as the crow flies at least along the direction on the surface.In Fig. 1
In be axially or along the projection of the axial direction and the manipulation device of the working piston 14.The folder
Tight face 38,42 has relative to each other adjusts angle α.
This adjusts 50 collective effect of the first backstop at angle and closure element 48.The clamping element 40 passes through the clamping face
38, it 42 is restricted in terms of its free movement along radial direction.As supplement, the closure element 48 is mentioned
For the first backstop 50 and the second backstop 52, the direction of first backstop and second backstop axially limits the clamping
The free movement of part 40.
When manipulation process starts, the main piston 24 executes axial movement towards the direction of regulating piston 26, so that institute
The second clamping face 42 is stated to move towards the direction of the clamping element 40.The clamping element is blocked by first backstop 50 at the latest to stop,
Second clamping face 42 of the taper is clamped the clamping element 40 relative to the first clamping face 32.It is now
Entire manipulation process secures the action length of the working piston 14.
At the end of the manipulation process, the direction of the working piston axially is moved towards the shell 12, wherein
The closure element 48 is in contact with the backstop 54 of the shell 12 first.The closure element 48 is relative to the main piston 24
Further axial movement remain stationary and with its second backstop 52 provide be used for the clamping element 40 blocking device.
The clamping element 40 is unclamped from the clamped condition, and the main piston 24 and described second clamps face 42 axially
Direction move to always in the home position.The backstop 54 is a kind of sensor, and this sensor detects the manipulation
The end of process and this backstop 54 is forwarded to the clamping element 40 by second backstop 52, to cause the folder
The release of tight state.
The free movement rebuild between the sub- piston and generated abrasion can be carried out again now
Compensation.The closure element 48 is pre-tightened by spring element 56 towards the direction of the main piston, so that the closure element 48
Positioning has all been accurately obtained at any time with the clamping element 40, for starting fixation procedure.
The pneumatic manipulation device 10 is shown in FIG. 2 to be in brand-new state and the feelings in home position
Condition.It is in brand-new state Fig. 2 shows the same pneumatic manipulation device and the situation in isolated position.This
Outside, Fig. 3 shows a case that the pneumatic manipulation device in the state of abrasion in home position.The sub- piston
24, it 26 is moved fully into each other herein." abrasion " herein relates to the state of wear of the friction clutch.
It illustrates in greater detail the clamp system again in the following figures and especially clamps face and clamping
The composition of part.Fig. 4 shows in cross section front view.
The clamping element 40 is arranged between the clamping face 38 and 42.Here, the clamping element 40 is arranged in reference circle
Above and in the range of the circumference it is evenly distributed.
Fig. 5 shows the amplification diagram of Fig. 4.The clamping element 40 is configured to cylinder-shaped and has rolling surface 40a, the rolling
Dynamic face then has circular profile 40b.The profile 40b of the clamping element 40 is configured to the wheel with the second clamping face 42 herein
The structure of wide 42b complementation.The profile in second clamping face is likewise constructed to circle.By the profile 40b relative to described
The complementary structure of profile 42b realizes big contact surface, and thus the surface pressing becomes smaller in clamping process.
The first clamping face 38 is made up of multiple breadths 58, the breadth circumferentially structure adjacent to each other
At.These breadths 58 can also find out that Fig. 7 individually diagrammatically shows the regulating element with what is had an X-rayed in Fig. 7.The breadth
58 by groove perhaps ditch come constitute the groove or ditch along axially direction extend and in cross section have profile
58.The breadth 58 circumferentially extends in the range of a part in the first clamping face 38.
Each breadth 58 is equipped with a clamping element 48, wherein the rolling surface 40a and the breadth surface 58a are configured to
Structure complimentary to one another.The profile 58b of the especially described breadth surface 58a is likewise constructed to circle.The breadth surface 38 and
The radius in two clamping faces 42 is advantageously equally big.
Fig. 6 shows single cylinder-shaped clamping element 40 and affiliated the first clamping face 38 and the second clamping face 42
And corresponding breadth surface 58a.The clamping element 40 is configured to the structure of protrusion and is fitted to the width of the female
In the clamping face 42 of face surface 58a and the female.Protrusion-recessed the surface pairings cause big contact surface and thus
Cause small surface pressing.
In addition, the clamping element 40 is configured to the structure around rotation axis S rotational symmetry.Therefore, the rolling
Face 40a is likewise constructed to the structure of rotational symmetry.Corresponding, the clamping element 40 is with the raising of abrasion and by described
Rolling surface is rolled relative to the breadth surface 58a.
In addition, the radius r of the profile 40b of the clamping element 40 is less than or equal to the half of the profile 58a of the breadth 58
Diameter R1 and the radius R2 for being less than or equal to the profile 42b that described second clamps face 42.Thus the contact surface of large area is provided,
The contact surface provides the result being most preferably distributed to the power to work in whole surface.
The regulating element 44 with breadth 58 is shown in FIG. 7.This regulating element can inexpensively be made
It makes and is subjected to other treatment process in a manner of simple and is low-cost as single-piece, as such as quenching.The tune
Section element 44 is correspondingly fixedly connected with the regulating piston 26.It especially can be with regulating element 44 or clamping element
On the individual component that 46 form is constituted more easily and cost provides the breadth structure more cheaply, it thus keeps away
Exempt from the troublesome manufacturing process for regulating piston 26 or main piston 24 with breadth 58.
Fig. 8 shows another variant schemes of clamping element-clamping face-pairing.It illustrate only a cross-section herein
Point, wherein the clamping element 40 is configured to cylinder, which has straight profile 40b.The profile 58b of the breadth 58 is corresponding
Ground is equally constituted as the crow flies.The especially described breadth is made up of flat surface herein.The pairing for replacing protrusion-recessed herein
And use straight-straight surface pairings.
As supplement, breadth 60 is also constructed on the second clamping face 42, the breadth surface 60a of the breadth is same
With straight profile.Thus another implementation modification with lesser surface pressing is provided.
As being previously mentioned in general specification part, the profile can also pass through other shapes
Shape, such as ellipse construct, as long as thus provide sufficiently large contact surface.Reference signs list:
10 pneumatic manipulation devices
12 shells
14 working pistons
16 pressure chamber
18 release bearings
20 working cylinders
22 conduits
24 main pistons
26 regulating pistons
28 clamp systems
30 flanges
32 sliding parts
34 position sensing devices
36 position sensors
37 spring elements
38 first clamp face
40 clamping elements
40a rolling surface
40b profile
42 second clamp face
42b profile
44 regulating elements
46 clamping elements
48 closure elements
50 first backstops
52 second backstops
54 backstops (shell)
56 spring elements
58 breadths
58a breadth surface
58b profile
60 breadths
60a breadth surface
60b profile
α adjusts angle
The central axes M
R radius
R1 radius
R2 radius
S rotation axis
Claims (10)
1. being used for the manipulation device (10) of friction clutch comprising:
The working piston (14) that can be moved relative to shell (12),
The working piston has main piston (24) and regulating piston (26), the main piston (24) and the regulating piston (26)
It is configured to be movable with respect to each other, wherein
Clamp system (28) are configured between the main piston (24) and the regulating piston (26), which is manipulating
In the process by clamping the movement avoided between the main piston (24) and the regulating piston (26), wherein
The clamp system (28) has clamping element (40), and the clamping element can clamp the breadth (58) of face (38) simultaneously with first
And clamp face (42) with second and be in contact, in order to provide clamping action.
2. manipulation device (10) described in accordance with the claim 1, which is characterized in that the corresponding breadth (58) for clamping face, especially
It is that its breadth surface (58a) has the shape complementary with rolling surface (40a) of the clamping element (40).
3. according to manipulation device described in any one of preceding claims (10), which is characterized in that be directed toward the breadth (58)
The profile (40b) of rolling surface (40a) be straight or raised.
4. according to manipulation device described in any one of preceding claims (10), which is characterized in that the clamping element (40) by
There is the cylinder of curved rolling surface (40a) raisedly to constitute for sphere, cylinder, ellipsoid of revolution.
5. according to manipulation device described in any one of preceding claims (10), which is characterized in that the clamping face (38,42)
Or the breadth (58,60) of the clamping face (48,42) is configured to recessed structure.
6. according to manipulation device described in any one of preceding claims (10), which is characterized in that the clamping face (38,42)
Breadth (58,60) be made of flat surface.
7. according to manipulation device described in any one of preceding claims (10), which is characterized in that the clamping face (38,
42), the breadth surface (58a) and/or the rolling surface (48a) have circular profile.
8. according to manipulation device described in any one of preceding claims (10), which is characterized in that the clamping face (38,42)
Or the radius (R1, R2) of the profile (38b, 42b) of breadth surface (58) is more than or equal to the profile of the rolling surface (40a)
The radius (r) of (40b).
9. according to manipulation device described in any one of preceding claims (10), which is characterized in that clamp face (38,42) and rolling
The surface pairings or breadth surface (58a, 60a) of dynamic face (40a) and the surface pairings of rolling surface (40a) are configured to recessed-convex
Rise or straight-straight structure.
10. according to manipulation device described in any one of preceding claims (10), which is characterized in that the clamping face (38,
42) construction is on the main piston (24), the regulating piston (26), regulating element (44) or clamping element (46).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017215582.5A DE102017215582A1 (en) | 2017-09-05 | 2017-09-05 | Pneumatic actuator with wear compensation |
DE102017215582.5 | 2017-09-05 |
Publications (1)
Publication Number | Publication Date |
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CN109424656A true CN109424656A (en) | 2019-03-05 |
Family
ID=65363987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811023535.5A Pending CN109424656A (en) | 2017-09-05 | 2018-09-03 | Pneumatic manipulation unit with wear compensation mechanism |
Country Status (2)
Country | Link |
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CN (1) | CN109424656A (en) |
DE (1) | DE102017215582A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111677779A (en) * | 2019-03-11 | 2020-09-18 | 舍弗勒技术股份两合公司 | Release unit and clutch device |
Citations (8)
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DE3719399A1 (en) * | 1987-06-11 | 1988-12-29 | Wabco Westinghouse Fahrzeug | Device for operating a friction clutch disengageable counter to a spring force |
DE102009019580A1 (en) * | 2008-05-15 | 2009-11-19 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Release system for hydraulic actuation of friction clutch of vehicle, has tool releasing engagement of catches with recesses, where tool is inserted into openings, which penetrate wall and run adjacent to open slot in peripheral direction |
CN102691732A (en) * | 2011-03-22 | 2012-09-26 | 加特可株式会社 | Multi-disc frictional engagement mechanism |
CN103511578A (en) * | 2012-06-25 | 2014-01-15 | Zf腓特烈斯哈芬股份公司 | Wear-compensating connection element |
US20150001032A1 (en) * | 2013-07-01 | 2015-01-01 | Borgwarner Inc. | Piston-cylinder arrangement and operating device having a piston-cylinder arrangement |
CN104334904A (en) * | 2012-05-31 | 2015-02-04 | 加特可株式会社 | Friction engagement device |
CN107076221A (en) * | 2014-09-25 | 2017-08-18 | Avl商业动力传动系统及拖拉机工程有限公司 | Extrusion cylinder for actuating friction element |
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DE19816513A1 (en) * | 1998-04-14 | 1999-10-21 | Mannesmann Sachs Ag | Actuator for a fluid operated clutch |
DE102015107787A1 (en) * | 2015-05-19 | 2016-11-24 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Clutch actuator with automatic wear compensation |
-
2017
- 2017-09-05 DE DE102017215582.5A patent/DE102017215582A1/en active Pending
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2018
- 2018-09-03 CN CN201811023535.5A patent/CN109424656A/en active Pending
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GB8329981D0 (en) * | 1982-11-15 | 1983-12-14 | Daikin Mfg Co Ltd | Clutch clearance uniforming device |
DE3719399A1 (en) * | 1987-06-11 | 1988-12-29 | Wabco Westinghouse Fahrzeug | Device for operating a friction clutch disengageable counter to a spring force |
DE102009019580A1 (en) * | 2008-05-15 | 2009-11-19 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Release system for hydraulic actuation of friction clutch of vehicle, has tool releasing engagement of catches with recesses, where tool is inserted into openings, which penetrate wall and run adjacent to open slot in peripheral direction |
CN102691732A (en) * | 2011-03-22 | 2012-09-26 | 加特可株式会社 | Multi-disc frictional engagement mechanism |
CN104334904A (en) * | 2012-05-31 | 2015-02-04 | 加特可株式会社 | Friction engagement device |
CN103511578A (en) * | 2012-06-25 | 2014-01-15 | Zf腓特烈斯哈芬股份公司 | Wear-compensating connection element |
US20150001032A1 (en) * | 2013-07-01 | 2015-01-01 | Borgwarner Inc. | Piston-cylinder arrangement and operating device having a piston-cylinder arrangement |
CN107076221A (en) * | 2014-09-25 | 2017-08-18 | Avl商业动力传动系统及拖拉机工程有限公司 | Extrusion cylinder for actuating friction element |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111677779A (en) * | 2019-03-11 | 2020-09-18 | 舍弗勒技术股份两合公司 | Release unit and clutch device |
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DE102017215582A1 (en) | 2019-03-07 |
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