CN108317118A - A kind of novel clamp button separated column plug pump swash plate variable regulating mechanism and adjusting method - Google Patents
A kind of novel clamp button separated column plug pump swash plate variable regulating mechanism and adjusting method Download PDFInfo
- Publication number
- CN108317118A CN108317118A CN201810303739.8A CN201810303739A CN108317118A CN 108317118 A CN108317118 A CN 108317118A CN 201810303739 A CN201810303739 A CN 201810303739A CN 108317118 A CN108317118 A CN 108317118A
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- CN
- China
- Prior art keywords
- variable
- swash plate
- spool
- guide holder
- valve pocket
- 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
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of novel clamp button separated column plug pump swash plate variable regulating mechanism and adjusting method, which includes snapping connection seat, articulated linkage, variable to adjust guide holder, variable spring, variable spool, valve pocket and spring stop piece;Seat is snapped connection to be fixedly connected with swash plate body;Articulated linkage one end is hinged with seat is snapped connection, and the other end adjusts guide holder with variable and is hinged;Valve pocket is mounted in plunger pump shell, and spring stop piece is installed in valve pocket front end;Variable spool one end is threadedly coupled between adjusting guide holder with variable, and the other end is installed in valve pocket;Variable spring is socketed on variable spool;Oilhole there are two being opened on valve pocket, is connected to two control ports on plunger pump shell respectively.The present invention is connected by Separated type buckle improves stress at swash plate Support Position;It is threaded into mode by adjusting guide holder and changes variable spring pre compressed magnitude;By the adjusting for moving left and right realization swash plate body angle of spool, the control performance of swash plate plunger pump can be effectively improved.
Description
Technical field
The invention belongs to plunger pump technique fields more particularly to a kind of novel clamp button separated column plug pump swash plate variable to adjust
Mechanism and adjusting method.
Background technology
Cam-type axial piston pump is due to the advantages that its pressure rating is high, Variable Control is convenient and compact-sized, in oil
The necks such as chemical industry, engineering machinery, aerospace have been more and more widely used.Swash plate is as the key zero for realizing Variable Control
The optimization design of part, structure is of great significance for improving the performance indicator of cam-type axial piston pump.Due to plunger pump
Enclosure interior limited space, there are processing technology complexity, installation and debugging assembly difficulty are larger, local for conventional monolithic oblique disk structure
The problems such as structure stress is ill-conditioned greatly influences reliability and the service life of cam-type axial piston pump.
Invention content
The present invention will overcome disadvantages mentioned above existing for conventional monolithic oblique disk structure, propose a kind of novel clamp button separated column
Plug pump swash plate variable regulating mechanism and adjusting method.
The purpose of the present invention is achieved through the following technical solutions:A kind of novel clamp button separated column plug pump swash plate change
Regulating mechanism, the initial inclination angle for adjusting swash plate body are measured, which includes snapping connection seat, articulated linkage, variable tune
Save guide holder, variable spring, variable spool, valve pocket and spring stop piece;
A plane is arranged as mounting surface in the periphery of the swash plate body, and a rectangular protrusions are arranged in the plane;The card
The cross section for detaining connecting seat is L-shaped, is provided with threaded hole in a plane, is fixedly connected with the end face of swash plate body by screw, separately
In one plane have with the matched mounting groove of rectangular protrusions, the rectangular protrusions of swash plate body are stuck in mounting groove, by split type
Snapping connection improves stress at swash plate Support Position, has saved enclosure interior installation space, compact-sized;
The seat that snaps connection is fixedly connected with swash plate body;Shown articulated linkage one end is hinged with seat is snapped connection, another
End adjusts guide holder with variable and is hinged;The valve pocket is mounted in plunger pump shell, and spring stop piece is installed in the front end of valve pocket;It is described
Variable spool one end is threadedly coupled between adjusting guide holder with variable, and the other end is installed in valve pocket;The variable spring socket
On variable spool, one end abuts variable and adjusts guide holder, and the other end abuts spring stop piece;
The variable spool has two control vessels;Opened on shown valve pocket there are two oilhole, respectively with plunger pump shell
On two control ports connection high and low pressure control fluid is introduced into variable by two control ports on plunger pump shell
Two control vessels of spool, variable spool, which moves left and right, pushes swash plate body to swing realization variable adjusting around central shaft.
Further, the variable adjusts guide holder and is provided with threaded hole, and one end of variable spool is stretched into threaded hole, with change
Amount adjusts guide holder and is threadedly coupled.
Further, shown articulated linkage one end is hinged by straight pin with seat is snapped connection, and the other end is adjusted with variable
Guide holder ball dumpling connects.
Further, radial seal, O-ring seal both sides are realized using O-ring seal between valve pocket and plunger pump shell
Coordinated by baffle ring and valve pocket, the structure of valve pocket can be effectively improved, reduce the difficulty of processing of valve pocket.
Further, moving left and right by variable spool pushes variable to adjust guide holder and moves left and right, and then drive hinge
Connective pole rotates, the adjusting at the final angle of inclination for realizing swash plate body.
Further, the relative displacement between guide holder is adjusted by variable spool and variable to control the pre- of variable spring
Decrement, and then change initializaing variable control characteristic, promote the control performance of swash plate plunger pump.
A kind of novel clamp button separated column plug pump swash plate change amount adjustment method, this method include:
It is passed through fluid into two control vessels of variable spool by two control ports on plunger pump shell, due to
Two vessel oil liquid pressures are different, and variable spool is acted on by the pressure of horizontal direction and moved horizontally;
Variable spool is used between adjusting guide holder with variable and is threadedly coupled, and variable is adjusted and led under the promotion of variable spool
It is moved horizontally to seat;
Variable, which is adjusted, to be connected between guide holder and articulated linkage by flexural pivot, under the promotion that variable adjusts guide holder, hinge
Connective pole deflects;
It articulated linkage and snaps connection seat is snapped connection around pin under the drive of articulated linkage using pin connection between seat
It rotates;
It snaps connection and is fixedly connected between seat and swash plate body, swash plate body and snap connection an associated movement, realize swash plate body
The adjusting of initial inclination angle.
The beneficial effects of the invention are as follows:Analysis design is optimized for existing integral type oblique disk structure, finds out tradition one
The weak load-bearing point of body formula swash plate carries out Separated type buckle structure design, so as to improve variable to stress concentration point present position
The stress of swash plate reduces the processing technology and installation and debugging difficulty of swash plate parameter driven structure;Pass through variable spool and change
The reach that amount adjusts guide holder adjusts pre compressed magnitude change initializaing variable control characteristic, and liftout plunger pumps Variable Control
Energy;Specially:
1, being connected by Separated type buckle improves stress at swash plate Support Position;
2, Split module structure has saved enclosure interior installation space, compact-sized;
3, mode is threaded by adjusting guide holder and changes variable spring pre compressed magnitude, it is simple to operate;
4, simple in structure by the adjusting for moving left and right realization swash plate body angle of spool, inclined disc type column can be effectively improved
Fill in the control performance of pump.
Description of the drawings
Fig. 1 is the partial sectional view that plunger pump swash plate variable regulating mechanism is installed in plunger pump shell;
Fig. 2 is to snap connection seat and swash plate body installation diagram;
Fig. 3 is to snap connection holder structure figure;
Fig. 4 is variable spool and valve pocket connection diagram;
In figure, 1- plunger pump shells, 2- swash plate bodies, 3- snaps connection seat, and 4- articulated linkages, 5- variables adjust guide holder,
6- variable springs, 7- variable spools, 8- valve pockets, 9- spring stop pieces, 10- baffle rings, 11-O type sealing rings, the first control ports of P1-,
The second control ports of P2-.
Specific implementation mode
Invention is further described in detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, a kind of novel clamp button separated column plug provided by the invention pumps swash plate variable regulating mechanism, including it is oblique
Disk body 2 snaps connection seat 3, articulated linkage 4, variable adjusting guide holder 5, variable spring 6, variable spool 7, valve pocket 8, spring catch
Piece 9, baffle ring 10 and O-ring seal 11;
The swash plate body 2 is installed on by deep groove ball bearing at the trunnion of both ends at the bearing block of plunger pump shell 1;
The seat 3 that snaps connection is fixedly connected with swash plate body 2;Preferred structure as shown in Figure 2,3 can be used, specially:
A plane is arranged as mounting surface in the periphery of the swash plate body 2, and a rectangular protrusions are arranged in the plane;It is described to snap connection seat
3 cross section is L-shaped, opens that there are two threaded holes in a plane, is fixedly connected with the end face of swash plate body 2 by screw, another
Have in a plane and be stuck in mounting groove with the matched mounting groove of rectangular protrusions, the rectangular protrusions of swash plate body 2, passes through split type card
Button connection improves stress at swash plate Support Position.
4 one end of shown articulated linkage is hinged by straight pin with seat 3 is snapped connection, and the other end adjusts guide holder 5 with variable
Ball dumpling connects;
The valve pocket 8 is mounted in plunger pump shell 1, and spring stop piece is installed in the front end of valve pocket 8;
Described 7 one end of variable spool is threadedly coupled between adjusting guide holder 5 with variable, and the other end is installed in valve pocket 8;Institute
It states variable spring 6 to be socketed on variable spool 7, one end abuts variable and adjusts guide holder 5, and the other end abuts spring stop piece 9;Pass through
Variable spool 7 and variable adjust the relative displacement between guide holder 5 to control the pre compressed magnitude of variable spring 6;
A kind of preferred connection type is:The variable adjusts guide holder 5 and is provided with threaded hole, and one end of variable spool 7 is stretched
Enter in threaded hole, adjusting guide holder 5 with variable is threadedly coupled.
Oilhole there are two being opened on shown valve pocket 8, is connected to two control ports on plunger pump shell 1, passes through column respectively
Fill in two control ports in pump case 1:First control port P1 and the second control port P2 introduces high-low pressure control fluid
Two control vessels of variable spool 7, variable spool 7, which moves left and right, pushes swash plate body 2 to swing realization variable around central shaft.
The specific work process of mechanism of the present invention is as follows:
(1) fluid is passed through into two oil pockets by the first control port P1 and the second control port P2, due to two oil pockets oil
Hydraulic coupling is different, and variable spool 7 is acted on by the pressure of horizontal direction and moved horizontally.
(2) it uses and is threadedly coupled between variable spool 7 adjusts guide holder 5 with variable, the variable under the promotion of variable spool 7
Guide holder 5 is adjusted to move horizontally.
(3) variable, which is adjusted, is connected between guide holder 5 and articulated linkage 4 by flexural pivot, and the promotion of guide holder 5 is adjusted in variable
Under, articulated linkage 4 deflects.
(4) articulated linkage 4 and snapping connection is snapped connection using pin connection under the drive of articulated linkage 4 between seat 3
Seat 3 rotates around pin.
(5) it snaps connection between seat 3 and swash plate body 2 to be fixedly connected, swash plate body 2 and snaps connection 3 associated movement of seat, it is real
The adjusting of existing 2 angle of swash plate body.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Range is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also forgives art technology
Personnel according to present inventive concept it is conceivable that equivalent technologies mean.
Claims (7)
1. a kind of novel clamp button separated column plug pumps swash plate variable regulating mechanism, the initial inclination for adjusting swash plate body (2)
Degree, which is characterized in that the mechanism includes snapping connection seat (3), articulated linkage (4), variable to adjust guide holder (5), variable spring
(6), variable spool (7), valve pocket (8) and spring stop piece (9);
A plane is arranged as mounting surface in the periphery of the swash plate body (2), and a rectangular protrusions are arranged in the plane;The buckle
The cross section of connecting seat (3) is L-shaped, and threaded hole is provided in a plane, is fixed and is connected by the end face of screw and swash plate body (2)
It connects, has in another plane and be stuck in mounting groove with the matched mounting groove of rectangular protrusions, the rectangular protrusions of swash plate body (2);
Shown articulated linkage (4) one end is hinged with seat (3) is snapped connection, and the other end adjusts guide holder (5) with variable and is hinged;It is described
Valve pocket (8) is mounted in plunger pump shell (1), the front end installation spring stop piece (9) of valve pocket (8);Described variable spool (7) one end
It is threadedly coupled between adjusting guide holder (5) with variable, the other end is installed in valve pocket (8);The variable spring (6) is socketed in change
It measures on spool (7), one end abuts variable and adjusts guide holder (5), and the other end abuts spring stop piece (9);
There are two control vessel for variable spool (7) tool;Opened on shown valve pocket (8) there are two oilhole, respectively with plunger pump case
Two control ports connection on body (1), by two control ports on plunger pump shell (1), fluid is controlled by high and low pressure
Two control vessels of variable spool (7) are introduced, variable spool (7), which moves left and right, pushes swash plate body (2) to be swung around central shaft
Realize that variable is adjusted.
2. a kind of novel clamp button separated column plug according to claim 1 pumps swash plate variable regulating mechanism, which is characterized in that
The variable adjusts guide holder (5) and is provided with threaded hole, and one end of variable spool (7) is stretched into threaded hole, adjusts and is oriented to variable
Seat (5) is threadedly coupled.
3. a kind of plunger pump swash plate variable regulating mechanism according to claim 1, which is characterized in that shown articulated linkage
(4) one end is hinged by straight pin with seat (3) is snapped connection, and the other end adjusts guide holder (5) ball dumpling with variable and connect.
4. a kind of novel clamp button separated column plug according to claim 1 pumps swash plate variable regulating mechanism, which is characterized in that
Radial seal is realized using O-ring seal (11) between valve pocket (8) and plunger pump shell (1), O-ring seal (11) both sides pass through
Baffle ring (10) coordinates with valve pocket (8).
5. a kind of novel clamp button separated column plug according to claim 1 pumps swash plate variable regulating mechanism, which is characterized in that
By moving left and right for variable spool (7), pushes variable to adjust guide holder (5) and move left and right, and then articulated linkage (4) is driven to turn
It is dynamic, the adjusting at the final angle of inclination for realizing swash plate body (2).
6. a kind of novel clamp button separated column plug according to claim 1 pumps swash plate variable regulating mechanism, which is characterized in that
The pre compressed magnitude of variable spring (6) is controlled by the relative displacement between variable spool (7) and variable adjusting guide holder (5),
And then change initializaing variable control characteristic, promote the control performance of swash plate plunger pump.
7. a kind of carrying out the method that plunger pump swash plate variable is adjusted using any one of the claim 1-6 mechanisms, feature exists
In this method includes:
It is passed through fluid into two control vessels of variable spool (7) by two control ports on plunger pump shell (1), by
Different in two vessel oil liquid pressures, variable spool (7) is acted on by the pressure of horizontal direction and is moved horizontally;
Variable spool (7) is used between adjusting guide holder (5) with variable and is threadedly coupled, the variable under the promotion of variable spool (7)
Guide holder (5) is adjusted to move horizontally;
Variable, which is adjusted, to be connect between guide holder (5) and articulated linkage (4) by flexural pivot, and the promotion of guide holder (5) is adjusted in variable
Under, articulated linkage (4) deflects;
It articulated linkage (4) and snaps connection seat is snapped connection under the drive of articulated linkage (4) using pin connection between seat (3)
(3) it rotates around pin;
It snaps connection and is fixedly connected between seat (3) and swash plate body (2), swash plate body (2) and snap connection seat (3) associated movement, it is real
The adjusting of existing swash plate body (2) initial inclination angle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810303739.8A CN108317118B (en) | 2018-04-03 | 2018-04-03 | Buckle type split plunger pump swash plate variable adjusting mechanism and adjusting method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810303739.8A CN108317118B (en) | 2018-04-03 | 2018-04-03 | Buckle type split plunger pump swash plate variable adjusting mechanism and adjusting method |
Publications (2)
Publication Number | Publication Date |
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CN108317118A true CN108317118A (en) | 2018-07-24 |
CN108317118B CN108317118B (en) | 2021-04-30 |
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CN201810303739.8A Active CN108317118B (en) | 2018-04-03 | 2018-04-03 | Buckle type split plunger pump swash plate variable adjusting mechanism and adjusting method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109340219A (en) * | 2018-08-25 | 2019-02-15 | 江苏金陵智造研究院有限公司 | Highly integrated hydraulic power unit |
CN109611304A (en) * | 2018-11-21 | 2019-04-12 | 中国航发西安动力控制科技有限公司 | A kind of plunger pump swash plate swinging angle control mechanism |
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CN104254690A (en) * | 2012-04-25 | 2014-12-31 | 三电有限公司 | Variable-capacity compressor and method for manufacturing same |
US20150337824A1 (en) * | 2012-12-28 | 2015-11-26 | Sanden Holdings Corporation | Swash plate type compressor |
DE102015206716A1 (en) * | 2015-04-15 | 2016-10-20 | Robert Bosch Gmbh | Swash plate machine |
CN106438255A (en) * | 2016-10-28 | 2017-02-22 | 浙江大学 | Coaxial and same-side compact type variable structure applicable to bidirectional variable-displacement plunger pump |
CN208057562U (en) * | 2018-04-03 | 2018-11-06 | 浙江大学 | A kind of novel clamp button separated column plug pump swash plate variable regulating mechanism |
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2018
- 2018-04-03 CN CN201810303739.8A patent/CN108317118B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104254690A (en) * | 2012-04-25 | 2014-12-31 | 三电有限公司 | Variable-capacity compressor and method for manufacturing same |
US20150337824A1 (en) * | 2012-12-28 | 2015-11-26 | Sanden Holdings Corporation | Swash plate type compressor |
DE102015206716A1 (en) * | 2015-04-15 | 2016-10-20 | Robert Bosch Gmbh | Swash plate machine |
CN106438255A (en) * | 2016-10-28 | 2017-02-22 | 浙江大学 | Coaxial and same-side compact type variable structure applicable to bidirectional variable-displacement plunger pump |
CN208057562U (en) * | 2018-04-03 | 2018-11-06 | 浙江大学 | A kind of novel clamp button separated column plug pump swash plate variable regulating mechanism |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109340219A (en) * | 2018-08-25 | 2019-02-15 | 江苏金陵智造研究院有限公司 | Highly integrated hydraulic power unit |
CN109611304A (en) * | 2018-11-21 | 2019-04-12 | 中国航发西安动力控制科技有限公司 | A kind of plunger pump swash plate swinging angle control mechanism |
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CN108317118B (en) | 2021-04-30 |
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