CN103161945A - Adjusting device of hydrostatic module - Google Patents
Adjusting device of hydrostatic module Download PDFInfo
- Publication number
- CN103161945A CN103161945A CN2012105400764A CN201210540076A CN103161945A CN 103161945 A CN103161945 A CN 103161945A CN 2012105400764 A CN2012105400764 A CN 2012105400764A CN 201210540076 A CN201210540076 A CN 201210540076A CN 103161945 A CN103161945 A CN 103161945A
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- CN
- China
- Prior art keywords
- piston
- regulating
- pivot rods
- axis
- slide block
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/26—Control
- F04B1/30—Control of machines or pumps with rotary cylinder blocks
- F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Actuator (AREA)
Abstract
An adjusting device of a hydrostatic module comprises at least one axial plunger type machine, of which the emission can be adjusted by pivoting of a yorkpiece. The adjusting device comprises an adjusting cylinder which is provided with an adjusting piston and axially spaced from the rotating axis of the yorkpiece and is perpendicular to the rotating axis of the yorkpiece, a pivoting rod which is in rigid connection with the yorkpiece and substantially faces the rotating axis of the yorkpiece, and a connection device which realizes joint connection between the pivoting rod and the adjusting piston and makes the length compensation of the pivoting rod possible. In order to obtain a stable, simple and cheap structure, the connection device comprises a sliding block which is arranged in a groove which is arranged on the piston in an off-axis manner and is perpendicular to the longitudinal axis of the adjusting piston and allows sliding guide, and a cylindrical pin which is arranged on end piece of the pivoting rod or the sliding block and is perpendicular to the longitudinal axis of the adjusting piston. The cylindrical pin is pivotedly embedded in the sliding block or corresponding drill hole of the end piece of the pivoting rod.
Description
Technical field
The present invention relates to the regulating equipment of the hydrostatic module of preamble according to claim 1.
Background technique
The known structure type of hydrostatic axial-piston machine is inclination shaft type machine and inclination disc type machine.This axial-piston machine can utilize consistent to a great extent structure respectively as hydrostatic pump or hydrostatic motor.In inclination shaft type machine, drive flange and be connected with the live axle of attaching troops to a unit rigidly.The piston rod of a plurality of rows of pushing away device piston is being bearing in to articulated type on perimeter sides on the driving flange evenly distributedly.The row's of pushing away device piston respectively is arranged in a plurality of ground that correspondingly distribute and is arranged in in holing one of axial cylinders in cylinder body on perimeter sides.Cylinder body, for example be connected with drive shaft via the cardan shaft of centre and can be bearing in rotationally in york piece around its rotation axis, by york piece around with the pivotable of the pivot axis of the medial axis vertical distribution of live axle, the discharge capacity of inclination shaft type machine is can regulating in other words of can changing.The pivoting angle scope of inclination shaft type machine in the situation that one-sided adjusting be in 45 °+/-5 ° in and in the situation that bilateral is regulated, be accompanied by in other words the sense of rotation counter-rotating to be in+/-45 °+/-5 ° in.
In inclination disc type machine, the cylinder body with the axial cylinder boring of arranging on a plurality of ground that distribute on perimeter sides is connected with the live axle of attaching troops to a unit rigidly.Respectively be furnished with the row's of pushing away device piston in these cylinder borings, its piston rod is via slide and axial adjacent pitch sliding contact.Pitch is connected with york piece rigidly or integrally, the pivotable of the pivot axis that the rotation axis around with live axle by york piece vertically distributes, and the discharge capacity of inclination disc type machine is can regulating in other words of can changing.The pivoting angle scope of inclination disc type machine in the situation that one-sided adjusting be in 20 °+/-5 ° in and in the situation that bilateral is regulated, be accompanied by in other words the sense of rotation counter-rotating to be in+/-20 °+/-5 ° in.
Described following hydrostatic module in DE 2 419 495 A1 in other words at US 3 958 496 A, this hydrostatic module comprises unique axial-piston machine that is configured to the shaft type machine.The cylinder body of this inclination shaft type machine can be bearing in york piece rotationally with the medial axis of above-mentioned mode around it.In order to regulate the discharge capacity of inclination shaft type machine, york piece utilizes the supporting pin of two outsides can be bearing in housing pivotally around the pivot axis that the rotation axis with live axle vertically distributes.The regulating equipment of attaching troops to a unit comprises the adjusting cylinder with each piston of two single working (einfachwirksame), its piston rod about york piece the pivot axis in the supporting pin radially spaced apart and hinged opposed to each other.
By DE 10 2,006 025 347 B3 known following hydrostatic module, this hydrostatic module comprises two axial-piston machines that are configured to shaft type machine or inclination disc type machine with the live axle that is arranged in parallel.In the situation that be configured to the shaft type machine, two cylinder bodies can be bearing in common york piece rotationally around their medial axis separately, and wherein, cylinder body about 45 ° of ground that stagger around single pivoting angle zone about the pivot axis of york piece are arranged.In the situation that be configured to the disc type machine, two pitches rigidly or integrally are connected with common york piece, and wherein, pitch is arranged around single pivoting angle scope about 20 ° of ground that stagger about the pivot axis of york piece.Control by the connection that provides thus, in the situation that the discharge capacity of the first axial-piston machine that yoke pivot works as hydrostatic pump is increased, and the discharge capacity of the second axial-piston machine that works as hydrostatic motor is reduced with identical degree.Therefore, this known hydrostatic module forms the stepless hydrostatic transmissions device with large mechanical advantage scope, and this hydrostatic transmissions device is as the independent driver or preferably use in farm tractor or construction machine as the hydrostatic branch of the driver that travels of power dividing of travelling.In this case, the regulating equipment of attaching troops to a unit comprises the dual adjusting cylinder that works with piston and the dual preload cylinder that works with piston, and the piston rod of piston is radially spaced about the pivot axis in the supporting pin of york piece one of york piece and is hinged opposed to each other.Aspect the structural structure and the mode of action of this known hydrostatic module, the content intact ground of these DE 10 2,006 025 347 B3 has consisted of the theme of the application's open source literature.
Because in the regulating equipment of mentioning in front based in the situation that the disadvantageous bar relation of Hinged piston bar, the regulating accurately and harmonize and only have with expending on the equipment of increase of the discharge capacity of determining of related axial-piston machine, look like for example to use the rotation potentiometer in the supporting pin that is arranged in york piece, be only possible, so exist having the demand about the regulating equipment of the structure on the more favourable geometrical construction of regulating equipment.
This draws the hydrostatic module with regulating equipment described in DE 10 2,008 002 140 A1, and this regulating equipment comprises having the adjusting cylinder that pivot axis spaced radial regulating piston and york piece is turned up the soil and arranged and arrange perpendicular to the pivot axis of york piece; Relative orientation, the pivot rods that be connected with york piece rigidly of the pivot axis of york piece radially to a great extent; Be connected pivot rods with connecting device with the articulated of regulating piston and make the length compensation of pivot rods become possible being connected.Specifically, connecting device is by vertically being arranged in the radial bore in regulating piston and being comprised of the ball formula head of energy sliding movement ground in this radial bore with the ground supporting of energy pivot movement with the medial axis of regulating piston and the pivot axis of york piece, and this ball formula head is arranged on the end freely of pivot rods rigidly or integrally.This connecting device make pivot rods in the situation that the pivotable of the medial axis of the relative adjustment piston that the axial motion of regulating piston occurs becomes possibility, and make kinematic spacing between the intersection point of the medial axis of the medial axis of the pivot axis of york piece and radial bore and regulating piston the compensation in the variation of this appearance, the length compensation of pivot rods becomes possibility in other words.
Although this known connecting device First view looks like and builds relatively simply, be in operation there appearance very high surface pressure of the surface that is based on radial bore and relative little surface of contact between the surface of ball formula head.In order to ensure reliable operation, in other words for fear of the wearing and tearing that shift to an earlier date that are associated with adhesion and the deflection of connecting device, thus the manufacturing of the high precision of radial bore and ball formula head, in other words mechanically fine finishing and expensive surface sclerosis be essential.In addition, radial bore and ball formula head must sufficiently be lubricated and must the protected pollution that avoids invading.
Summary of the invention
Under this background, the present invention is based on following task, namely, the regulating equipment of the hydrostatic module of the type mentioned of beginning is provided, the connecting device of this regulating equipment relatively more firmly built by the DE 10 2,008 002 140 known enforcements of A1 and can be more simply and cost make cheaplyer.
This task is associated with the feature of the preamble of claim 1 and solves by the following method, that is, connecting device have be arranged on off-axis ground (desaxiert) in groove on regulating piston, that vertically distribute with the regulating piston longitudinal axis can sliding movement the slide block that guides of ground; And be arranged in cylinder shape pin on the end pieces of pivot rods or longitudinal axis on slide block, that have relative adjustment piston longitudinal axis vertical distribution can pivot movement ground be embedded in slide block in the corresponding boring in the end pieces of pivot rods in other words.
Correspondingly, the present invention is from the regulating equipment by the DE 10 2,008 002 140 known hydrostatic modules of A1, and this hydrostatic module has at least one axial-piston machine, and it can regulated via the pivotable of york piece aspect its discharge capacity.Regulating equipment has: with the adjusting cylinder that is radially spaced with pivot axis york piece and vertically arranges with it regulating piston; Relative orientation, the pivot rods that be connected with york piece rigidly of the pivot axis of york piece radially to a great extent; And connecting device, be used for pivot rods with the articulated of regulating piston and make the length compensation of pivot rods become possible being connected.At this, connecting device have off-axis, vertically be arranged in the groove in regulating piston with the pivot axis of the medial axis of regulating piston and york piece and can be bearing in slide block in this groove sliding movement.In addition, on the end pieces of pivot rods or the cylinder shape pin of having of arranging on slide block and the axis of regulating piston axis vertical distribution can pivot movement in the corresponding boring of ground in being embedded in slide block the end pieces at pivot rods in other words.
The structure member that therefore can be bearing in regulating piston according to the present invention is configured to following slide block sliding movement, and the end pieces of the rotation axis energy pivotable that the pivot axis parallel to an axis ground around with york piece of pivot rods is orientated is arranged at this slide block upper support.
Therefore, but the function of the function of the pivotability of pivot rods and length compensation is distributed in different structure members in other words on the surface.But the pivotability of pivot rods relative adjustment cylinder realizes by the bearing device of the energy pivotable of end pieces on slide block of pivot rods, in contrast, the length compensation of pivot rods by slide block in the groove of regulating cylinder can sliding movement bearing device become possibility.
Thus, be in operation, in other words in the situation that the load that the pivotable via regulating cylinder and pivot rods of york piece occurs is distributed on a plurality of structure members and surface and is therefore reducing about wearing and tearing aspect its effect.The preferred geometrical construction that basically is square of slide block also is used for this, that is, increase significantly by the relative structure spherical in shape of surface of contact of this geometrical construction between wherein the slip surface of packing into adaptedly of the guide surface of groove and slide block and the surface pressure that therefore occurs on these surfaces correspondingly reduces.In addition, the structure member that relates to and surface can be designed and can correspondingly make inexpensively simply and firmly on geometrical construction.
End pieces at pivot rods arranges as follows on the meaning of the simple and firm supporting on slide block, namely, the rotation axis of end pieces by on the end pieces of pivot rods or on slide block rigidly fastening axis bolt in other words pin form, end pieces in other words slide block via the boring of attaching troops to a unit directly pivotally sliding bearing at this axis bolt in other words on pin.Also there is the possibility that bearing device is configured to rolling bearing, for example needle bearing.
In order to regulate power transmission between cylinder and pivot rods as far as possible symmetrically and without bending moment ground carrying out, the medial axis of pivot rods is crossing with regulating piston in the zone of regulating piston longitudinal axis, and the end pieces of pivot rods the be pivoted relative to each other medial axis of bar acts on slide block with laterally staggering.
In order especially firmly to design connecting device, arrange aptly as followsly, that is, the section of the centre that comprises groove of regulating piston is strengthened in the following way, that is and, the adjacent section outside of the section relative adjustment piston of this centre has the diameter of increase.The embodiment of the increase thus by groove and slide block increases the surface of contact of these two structure members extraly and the surface pressure that will occur on the surface that relates to thus correspondingly reduces.
Have advantage ground, for the Compensation Regulation piston and/or distortion pivot rods, groove can have that guide surface and slide block side direction, that be configured to the cylinder section are that have accordingly, pack into adaptedly, slip surface that be configured to the cylinder section.
Reach the power transmission of the largely Linear that there is no tilting moment by feature of the present invention.In addition, have the face contact on the strong parts that transmit.In addition, slight departs from, and for example in departing from aspect the rotation axis of adjustable lever, can be compensated.Extraly, the structural type of passing through to propose reaches the simple assembling possibility of structure member.
Description of drawings
In order further the present invention to be illustrated, to the additional accompanying drawing with embodiment of specification.In these accompanying drawings:
Fig. 1 illustrates the diagram of solid of the part of known hydrostatic module;
Fig. 2 illustrates the cross-sectional view of hydrostatic module in the zone of regulating piston and pivot rods that passes according to Fig. 1;
Fig. 3 shown in side view according to of the present invention, be used for pivot rods with the articulated of regulating piston and make length compensation become the diagram of the solid of the possible connecting device that is connected;
Fig. 4 is at the connecting device that has rotated shown in the view of 90 ° according to Fig. 3;
Fig. 5 illustrates the partial cross section figure that passes according to the support plate of the hydrostatic module of Fig. 1 and Fig. 2.
Embodiment
Fig. 1 and Fig. 2 quote same claimant's DE 10 2,008 002 140 A1 and are used for structural structure and the function that diagram has the hydrostatic module of york piece 1 that can pivotables by regulating piston 6, and Fig. 3 to Fig. 5 at length shows the different from design of the present invention therewith of connecting device.
Be it is evident that by Fig. 1, hydrostatic module has york piece 1, and this york piece is via rotation axis 4 supporting that can rotate rotationally of the first bearing device 2 and the second bearing device 3.Be furnished with a plurality of inclination shaft type driving mechanisms of picture described in DE 10 2,006 025 347 B3 in york piece 1.Pivot rods 5 is between inclination shaft type driving mechanism, and this pivot rods radially is embedded in regulating piston 6.Regulating piston 6 is contained in support plate 7, the bearing device 8 of this support plate carrying inclination shaft type driving mechanism and with the first bearing device 2 be connected bearing device 3 and be connected.
According to Fig. 2, york piece 1 has contact pin 9, and this contact pin is arranged between inclination shaft type driving mechanism and pivot rods 5 is screwed into wherein or is fastened to wherein in other mode.In the corresponding diagram of DE 10 2,008 002 140 A1 that this and beginning are mentioned, regulating piston 6 has opening 10, and the end freely spherical in shape of pivot rods 5 is embedded in this opening.Regulating piston 6 has formed the first space 12 and second space 13 together with support plate 7.If the first space 12 is loaded by pressure medium, regulating piston 6 moves on the first moving direction so, via pivot rods 5, york piece 1 is reversed on the first torsional direction thus.By the pressure-loaded of second space 13, regulating piston 6 moves on the second moving direction, thus york piece 1 is reversed on the second torsional direction via pivot rods 5.Regulating piston 6 has groove 14 between the first space 12 and second space 13, via this groove, pressure medium is drawn to opening 10, in order to cause the accurate work of regulating piston 6.Regulating piston 6 it with opposed end, space 12 on have interface device 15, locate in other words to determine it is feasible by the feedback with hydraulic pressure or form electronics of this interface device regulating piston 6.
Described in Fig. 3 to Fig. 5 according to connecting device of the present invention, be used for pivot rods 5 in the hydrostatic module that this connecting device is connected with Fig. 2 at Fig. 1 with the articulated of regulating piston 6 and make the length compensation of pivot rods 5 become possible being connected.Structurally relatively indicating with different reference characters with those structure members that the corresponding structure member in Fig. 2 is differently constructed at Fig. 1 in Fig. 3 to Fig. 5.
Be in by the zone at axial middle part at the regulating piston 21 shown in Fig. 3 to Fig. 5 the diameter with increase cylinder shape zone 23 forms reinforcing part and from different at the regulating piston 6 shown in Fig. 1 and Fig. 2.Process in this zone 23 be used to the off-axis that holds slide block 20, groove 25 that vertically distribute with regulating piston longitudinal axis 24.Groove 25 has guide surface 30 side direction, that be configured to the cylinder section, and the slip surface 31 that slide block 20 utilized accordingly, was configured to the cylinder section is therein packed into adaptedly with very little play.Because groove 25 had radially also just stopped before regulating piston longitudinal axis 24 in the cylinder shape zone 23 of the diameter with increase, so that regulating piston 21 is not crossed its ground, middle part is weakened.
The be pivoted relative to each other medial axis 19 of bar 16 of end pieces 17 is laterally arranged by convex shoulder 18 with staggering, thereby make the medial axis 19 of pivot rods 16 to intersect and obvious tilting moment can not occur with regulating piston longitudinal axis 24, these tilting moments can cause the distortion of regulating piston 21 and end pieces 17.Slight distortion or the correspondingly slip surface 31 of structure that is departed from by the guide surface that is configured to the cylinder section 30 of groove 25 and slide block 20 by the geometrical construction that the production tolerance causes compensate, and slide block 20 can not clamped thus.
Construct simply on the structure member 17,20,21 of connecting device, 23 geometrical constructioies and therefore can make inexpensively.Set by these structure members 17,20,21,23 loose size, but especially by the structure member 20 of mutual sliding contact, 23 very large surface of contact 30,31, the duty ratio mechanically of these structure members is lower, thereby makes connecting device according to the present invention have king-sized steadiness.
Reference numerals list
1 york piece
2 first bearing devices
3 second bearing devices
4 rotation axiss
5 pivot rods
6 regulating pistons
7 support plates
8 bearing devices
9 contact pin
10 openings
11 ends spherical in shape
12 first spaces
13 second spaces
14 grooves
15 interface devices
16 pivot rods
17 end pieces
18 convex shoulders
19 medial axis
20 slide blocks
21 regulating pistons
22 cylinder shape pins
23 cylinder shapes are regional
24 regulating piston longitudinal axis
25 grooves
The longitudinal axis of 27 pins
28 borings
29 borings
30 guide surfaces
31 slip surfaces
Claims (4)
1. the regulating equipment of hydrostatic module, described hydrostatic module has at least one axial-piston machine, described axial-piston machine can regulated via the pivotable of york piece (1) aspect its discharge capacity, and described regulating equipment has: the band regulating piston adjusting cylinders that are radially spaced with rotation axis described york piece (1) (4) and vertically arrange with it (21); The rotation axis (4) of relatively described york piece (1) orientation, pivot rods (16) that be connected with described york piece (1) rigidly radially to a great extent; And connecting device, be used for described pivot rods (16) with the articulated of described regulating piston (21) and make the length compensation of described pivot rods (16) become possible being connected, it is characterized in that, described connecting device have off-axis can sliding movement in being arranged in groove (25) on described regulating piston (21), that distribute perpendicular to regulating piston longitudinal axis (24) slide block (20) that guides of ground; And upper or can pivot movement in the corresponding boring (28,29) of ground in being embedded in described slide block (20) end pieces (17) in described pivot rods (16) in other words at the cylinder shape pin (22) of the upper longitudinal axis (27) with relative adjustment piston longitudinal axis (24) vertical distribution of arranging of described slide block (20) at the end pieces (17) of described pivot rods (16).
2. regulating equipment according to claim 1, is characterized in that, described regulating piston (21) has reinforcing part in the zone of described groove (25), and described reinforcing part is the form in the cylinder shape zone (23) of the diameter with increase.
3. regulating equipment according to claim 2, it is characterized in that, described groove (25) has guide surface (30) side direction, that be configured to the cylinder section and described slide block (20) is that have accordingly, pack into adaptedly, slip surface (31) that be configured to the cylinder section.
One of according to claim 1 to 3 described regulating equipment, it is characterized in that, intersect with described regulating piston (21) in the zone of described regulating piston longitudinal axis (24) medial axis (19) of described pivot rods (16) and the laterally indentation ground, medial axis (19) of the relative described pivot rods of end pieces (17) (16) of described pivot rods (16) upward acts at described slide block (20).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011088364A DE102011088364A1 (en) | 2011-12-13 | 2011-12-13 | Adjusting device for adjusting displacement volume of axial piston unit of hydrostatic module for continuously variable hydrostatic transmission of e.g. agricultural tractor, has cylindrical pin that is moved into hole in sliding ring |
| DE102011088364.9 | 2011-12-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103161945A true CN103161945A (en) | 2013-06-19 |
| CN103161945B CN103161945B (en) | 2016-08-10 |
Family
ID=48464438
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220689611 Withdrawn - After Issue CN203239916U (en) | 2011-12-13 | 2012-12-13 | Regulating equipment of static hydraulic pressure module |
| CN201210540076.4A Expired - Fee Related CN103161945B (en) | 2011-12-13 | 2012-12-13 | The regulation equipment of hydrostatic module |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220689611 Withdrawn - After Issue CN203239916U (en) | 2011-12-13 | 2012-12-13 | Regulating equipment of static hydraulic pressure module |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN203239916U (en) |
| DE (1) | DE102011088364A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105917144A (en) * | 2014-01-28 | 2016-08-31 | Zf 腓德烈斯哈芬股份公司 | Transmission device and method for transmitting an actuating angle of a selector lever for a shifting actuation for a vehicle transmission |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011088364A1 (en) * | 2011-12-13 | 2013-06-13 | Zf Friedrichshafen Ag | Adjusting device for adjusting displacement volume of axial piston unit of hydrostatic module for continuously variable hydrostatic transmission of e.g. agricultural tractor, has cylindrical pin that is moved into hole in sliding ring |
| DE102017011895A1 (en) * | 2017-12-21 | 2019-06-27 | Wabco Gmbh | Piston-cylinder arrangement |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2419495A1 (en) * | 1973-04-25 | 1974-11-14 | Volvo Flygmotor Ab | CONTROL DEVICE FOR HYDRAULIC MACHINERY |
| CN1877119A (en) * | 2005-06-09 | 2006-12-13 | 卡特彼勒公司 | Remanufacturing hydraulic pumps |
| CN1877120A (en) * | 2005-06-09 | 2006-12-13 | 卡特彼勒公司 | Remanufacturing hydraulic pumps |
| US20070277520A1 (en) * | 2006-05-31 | 2007-12-06 | Sauer-Danfoss Inc | Hydraulic module with two integrated swashplate or oblique axis drive units |
| DE102008002140A1 (en) * | 2008-06-02 | 2009-12-03 | Zf Friedrichshafen Ag | HydroModul |
| CN101680435A (en) * | 2007-03-16 | 2010-03-24 | 萱场工业株式会社 | Opposed swash plate type piston pump/motor |
| CN203239916U (en) * | 2011-12-13 | 2013-10-16 | Zf腓德烈斯哈芬股份公司 | Regulating equipment of static hydraulic pressure module |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1907438A1 (en) * | 1969-02-14 | 1970-08-20 | Atlas Mak Maschb Gmbh | Hydraulic plunger row machine |
| US5406878A (en) * | 1994-05-03 | 1995-04-18 | Caterpillar Inc. | Swashplate actuating device for axial piston pumps and motors |
| JP2003074461A (en) * | 2001-09-03 | 2003-03-12 | Hitachi Constr Mach Co Ltd | Variable displacement type hydraulic rotating machine and assembling method for the hydraulic rotating machine |
| DE10325842A1 (en) * | 2003-06-06 | 2005-01-05 | Brueninghaus Hydromatik Gmbh | Reversible axial piston machine with longitudinal adjustment |
-
2011
- 2011-12-13 DE DE102011088364A patent/DE102011088364A1/en not_active Withdrawn
-
2012
- 2012-12-13 CN CN 201220689611 patent/CN203239916U/en not_active Withdrawn - After Issue
- 2012-12-13 CN CN201210540076.4A patent/CN103161945B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2419495A1 (en) * | 1973-04-25 | 1974-11-14 | Volvo Flygmotor Ab | CONTROL DEVICE FOR HYDRAULIC MACHINERY |
| CN1877119A (en) * | 2005-06-09 | 2006-12-13 | 卡特彼勒公司 | Remanufacturing hydraulic pumps |
| CN1877120A (en) * | 2005-06-09 | 2006-12-13 | 卡特彼勒公司 | Remanufacturing hydraulic pumps |
| US20070277520A1 (en) * | 2006-05-31 | 2007-12-06 | Sauer-Danfoss Inc | Hydraulic module with two integrated swashplate or oblique axis drive units |
| CN101680435A (en) * | 2007-03-16 | 2010-03-24 | 萱场工业株式会社 | Opposed swash plate type piston pump/motor |
| DE102008002140A1 (en) * | 2008-06-02 | 2009-12-03 | Zf Friedrichshafen Ag | HydroModul |
| CN203239916U (en) * | 2011-12-13 | 2013-10-16 | Zf腓德烈斯哈芬股份公司 | Regulating equipment of static hydraulic pressure module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105917144A (en) * | 2014-01-28 | 2016-08-31 | Zf 腓德烈斯哈芬股份公司 | Transmission device and method for transmitting an actuating angle of a selector lever for a shifting actuation for a vehicle transmission |
| CN105917144B (en) * | 2014-01-28 | 2017-12-26 | Zf 腓德烈斯哈芬股份公司 | Convert the drive apparatus and method at the manipulation angle of the gear lever of the shift control for vehicle gear box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103161945B (en) | 2016-08-10 |
| DE102011088364A1 (en) | 2013-06-13 |
| CN203239916U (en) | 2013-10-16 |
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