CN208778156U - A kind of two inclined plate plunger pump - Google Patents
A kind of two inclined plate plunger pump Download PDFInfo
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- CN208778156U CN208778156U CN201821256431.4U CN201821256431U CN208778156U CN 208778156 U CN208778156 U CN 208778156U CN 201821256431 U CN201821256431 U CN 201821256431U CN 208778156 U CN208778156 U CN 208778156U
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- swash plate
- hydraulic cylinder
- plunger
- piston
- plunger pump
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Abstract
The utility model belongs to plunger type motor pump field, and specifically discloses a kind of two inclined plate plunger pump.The plunger pump includes cylinder body, plunger and the first swash plate component and the second swash plate component that are symmetricly set on cylinder body both ends of the surface, at least one swash plate is connected with variable regulating mechanism, the variable regulating mechanism includes link assembly, piston-type hydraulic cylinder and control valve, the swash plate, link assembly and piston-type hydraulic cylinder are sequentially connected with, and the piston-type hydraulic cylinder is connect with the control valve.The utility model controls the movement of piston-type hydraulic cylinder by control valve to drive link component movement, and then swash plate movement is driven to change the inclination angle of swash plate, to change the discharge capacity of plunger pump, and then the flow to plunger pump is realized by the flow distribution apparatus, to realize the step-less adjustment of discharge capacity, degree of regulation is high, range is wide.
Description
Technical field
The utility model belongs to plunger type motor pump technical field, more particularly, to a kind of two inclined plate plunger pump.
Background technique
Plunger pump/motor is one of dynamical element mostly important in Hydraulic Field, is widely used in ship, aviation boat
It, the fields such as automobile.Traditional axial deflection pump/motor is by variable pump and variable regulating mechanism group with an inclination swash plate
At stroking mechanism mostly uses greatly the structure type of single plunger cylinder, by changing the size of swash plate pivot angle, thus to control plunger
The change of pump/motor output displacement.It is few but for Flat valve/axis flow two inclined plate axial plunger pump/motor field
People proposes the variable device of plunger pump/motor for there are two in the case where swash plate.
Chinese patent CN102141022 B discloses a kind of Double-swashplate valve distributing axial plunger-type water hydraulic canned motor pump, should
Water Hydraulic Pump is integrated in inside shielding motor rotor by utility model, compact-sized, can achieve the mesh of miniaturization and lightweight
, the mobility of Work machine is improved, solves that traditional oil hydraulic power unit volume is big, and structure is complicated, is easy to cause and is
Grease the problems such as mixing in uniting, adaptable various flow modes improve cylinder body stress shape using diclinic dish structure and therewith
Condition.But the utility model belongs to the scope of constant displacement pump, can not achieve the variable of two inclined plate plunger pump.
Chinese patent CN104791210 B discloses a kind of two inclined plate plunger variable, including shell, left end cap, right end
Lid, stator core, machine winding, rotor, cylinder body, multiple plungers, two swash plate components and multiple flow distribution apparatus；Swash plate component packet
Swash plate, multiple piston shoes and return plate are included, two swash plates are respectively left swash plate and right swash plate, which passes through variable regulating mechanism
It drives right swash plate to rotate, makes center axis thereof certain angle of the right swash plate around cylinder body, to change between left swash plate and right swash plate
Relative positional relationship, cannot accurately realize discharge capacity step-less adjustment and pilot plunger pump revolving speed and steering
Utility model content
Aiming at the above defects or improvement requirements of the prior art, the utility model provides a kind of two inclined plate plunger pump, leads to
It crosses and is provided with variable regulating mechanism, electrohydraulic servo valve or solenoid directional control valve by controlling through-rod piston formula hydraulic cylinder in swash plate one end
Or the movement of single-rod piston formula hydraulic cylinder to drive link move, and then the connecting rod driving swash plate movement to change swash plate
The flow to plunger pump to change the discharge capacity of plunger pump, and then is realized by the flow distribution apparatus, to realize discharge capacity in inclination angle
Step-less adjustment, degree of regulation is high, range is wide.
To achieve the above object, the utility model provides a kind of two inclined plate plunger pump, including cylinder body, the cylinder body both ends
Multiple mutual corresponding plunger holes are respectively disposed with, plunger is equipped in the plunger hole, each plunger at the cylinder body both ends is distinguished
It corresponds to form multiple plungers pair, it is characterised in that:
The plunger pump includes the first swash plate component and the second swash plate component for being symmetricly set on cylinder body both ends of the surface, and described
The structure of one swash plate component and the second swash plate component is identical, including swash plate, multiple piston shoes and return plate, piston shoes one end insertion
In the sliding slot of the swash plate, the other end and the plunger are hinged, and the return plate is fastened between the piston shoes and the sliding slot,
For the rolling friction of the piston shoes and the swash plate to be converted to sliding friction,
At least one described swash plate is connected with variable regulating mechanism, and the variable regulating mechanism includes link assembly, piston
Formula hydraulic cylinder and then control valve, the swash plate, link assembly and piston-type hydraulic cylinder are sequentially connected with, the piston-type hydraulic cylinder with
The control valve connection, and the control valve drives the link assembly to transport by the movement of control piston-type hydraulic cylinder
It is dynamic, and then drive the swash plate movement to change the inclination angle of swash plate, to realize the cylinder body plunger during rotation
The discharge capacity of pilot plunger pump is moved reciprocatingly and then realized in plunger hole.
Further, the piston-type hydraulic cylinder is through-rod piston formula hydraulic cylinder or single-rod piston formula hydraulic cylinder.
Further, the control valve is electrohydraulic servo valve or solenoid directional control valve.
Further, the link assembly includes first connecting rod, second connecting rod, third connecting rod and fourth link, and described
One connecting rod is set in fixing seat and the swash plate of the first swash plate component described in one end is hinged, and the other end and the third connecting rod are hinged,
The second connecting rod is set in fixing seat and the swash plate of the second swash plate component described in one end is hinged, the other end and the fourth link
Hingedly, the second connecting rod is connected with third connecting rod by the through-rod piston formula hydraulic cylinder, the electrohydraulic servo valve with it is described
The connection of through-rod piston formula hydraulic cylinder.
Further, the link assembly includes first connecting rod, and the first connecting rod is set in fixing seat and one end and institute
The swash plate for stating the first swash plate component is hinged, and the other end is connect with the through-rod piston formula hydraulic cylinder, the electrohydraulic servo valve and institute
State the connection of through-rod piston formula hydraulic cylinder.
Further, the link assembly includes first connecting rod and fourth link, and the first connecting rod is arranged in fixing seat
Upper and one end is connect with the swash plate in the first swash plate component, and the other end is connect with the through-rod piston formula hydraulic cylinder, described
Through-rod piston formula hydraulic cylinder is connect with the electrohydraulic servo valve, and the fourth link is arranged in fixing seat and one end and described the
Swash plate connection in two swash plate components, the other end are connect with the single-rod piston formula hydraulic cylinder, the single-rod piston formula hydraulic cylinder
It is connect with the solenoid directional control valve.
Further, the plunger pump further includes flow distribution apparatus, and the flow distribution apparatus is set to the plunger hole far from described
One end of swash plate.
Further, the flow distribution apparatus is Flat valve device or axis flow distribution apparatus.
Further, the variable regulating mechanism further includes return spring, and the return spring is set to the bottom of the swash plate
End.
In general, mainly have the above technical solutions conceived by the present invention are compared with the prior art, with
Under technological merit:
1. the two inclined plate plunger pump of the utility model, the plunger pump includes being symmetricly set on the first of cylinder body both ends of the surface tiltedly
The structure of disk component and the second swash plate component, the first swash plate component and the second swash plate component is identical, including swash plate, multiple cunnings
Boots and return plate, described piston shoes one end are embedded in the sliding slot of the swash plate, and the other end and the plunger are hinged, the return plate card
It is located between the piston shoes and the sliding slot, for the rolling friction of the piston shoes and the swash plate to be converted to sliding friction,
At least one described swash plate is connected with variable regulating mechanism, the variable regulating mechanism include link assembly, piston hydraulic and
Control valve, the swash plate, link assembly and piston-type hydraulic cylinder are sequentially connected with, the piston-type hydraulic cylinder with the control valve
Connection, and the control valve is by controlling the movement of piston-type hydraulic cylinder so that drive link moves, and then drives swash plate movement
To change the inclination angle of swash plate, to change the discharge capacity of plunger pump, to realize the step-less adjustment of plunger pumpage, degree of regulation height, model
It encloses wide.
2. the two inclined plate plunger pump of the utility model, the side of the link assembly are connect with the piston-type hydraulic cylinder,
And the piston-type hydraulic cylinder is connect with the control valve, controls the piston-type hydraulic cylinder movement acting and band by the control valve
The link assembly movement is moved, drives the swash plate to do linear reciprocal motion then to adjust the discharge capacity of the plunger pump.
3. the two inclined plate plunger pump of the utility model, flow distribution apparatus is Flat valve device or axis flow distribution apparatus, Flat valve dress
Set the discharge capacity for pilot plunger pump, the discharge capacity of axis flow distribution apparatus technical ability pilot plunger pump, moreover it is possible to adjust liquid flow path direction.
4. the two inclined plate plunger pump of the utility model, the bottom end of swash plate is equipped with return spring, which is set to described
Play fixed swash plate, and cooperate to realize with the variable regulating mechanism for providing pre compressed magnitude in the bottom end of swash plate
State the reciprocating motion of two inclined plate.
Detailed description of the invention
Fig. 1 is the main view of Flat valve two inclined plate plunger pump bilateral synchronous regulating device；
Fig. 2 is the main view of the unilateral regulating device of Flat valve two inclined plate plunger pump；
Fig. 3 is the main view of axis flow two inclined plate plunger pump bilateral synchronous regulating device；
Fig. 4 is the main view of the unilateral regulating device of axis flow two inclined plate plunger pump；
Fig. 5 is the main view of the bilateral transfer regulating device of axis flow two inclined plate plunger pump；
Fig. 6 is in the utility model using the positional relationship of two swash plates when bilateral synchronous regulating device；
Fig. 7 is in the utility model using the positional relationship of two swash plates when unilateral regulating device；
Fig. 8 is in the utility model using the positional relationship of two swash plates when bilateral transfer regulating device；
Fig. 9 is the utility model return mechanism schematic diagram.
In all the appended drawings, same appended drawing reference indicates identical technical characteristic, specifically: the first swash plate of 1-, 2- are sliding
Boots, 3- plunger, 4- flexural pivot, 5- cylinder body, 6- first connecting rod, 7- second connecting rod, 8- through-rod piston formula hydraulic cylinder, 9- third connecting rod,
10- fourth link, 11- electrohydraulic servo valve, 12- flow distribution apparatus, 13- return plate, the second swash plate of 14-, the second return spring of 15-,
The first return spring of 16-, 17- solenoid directional control valve, 18- single-rod piston formula hydraulic cylinder.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.
As shown in Figures 1 to 4, a kind of two inclined plate plunger pump includes cylinder body 5, multiple plungers 3, flow distribution apparatus 12, two inclined plate
Component and variable regulating mechanism.Wherein, rotatable cylinder body 5, the circumferentially disposed multiple mutual corresponding plungers in both ends
Hole, axially inside suction pressure oilhole is arranged in direction；Multiple plungers 3, are evenly arranged in the plunger hole of 5 both ends of the surface of cylinder body, shape
It is rotated at multiple plungers pair, and with cylinder body 5.
Flow distribution apparatus 12 can be Flat valve device and axis flow distribution apparatus.Wherein, Flat valve device is for adjusting two inclined plate
The size of the flow of plunger pump, axis flow distribution apparatus be both adjustable the discharge capacity and liquid flow path direction of two inclined plate plunger pump, can also change double
The revolving speed of oblique plate plunger pump and steering.Two inclined plate component includes；First swash plate 1, the second swash plate 14, piston shoes 2 and return plate 13,
In the rotation of the cylinder body 5, the swash plate component makes each plunger 3 make periodic reverse motion, to control the flow distribution apparatus
12 periodic duties realize the flow to plunger pump.The head of piston shoes and plunger is hinged together, can be around the center of plunger head
It swings.Return plate is completely pressed in the piston shoes on plunger on swash plate, and last transmission shaft drives cylinder body rotation, all plungers and
Piston shoes are all with turning over, because the end of plunger is always all by piston shoes together against on swash plate, so that it may circulation it is continuous
The continuous pressure oil of oil suction.The plunger pump includes the first swash plate component and the second swash plate group for being symmetricly set on cylinder body both ends of the surface
The structure of part, the first swash plate component and the second swash plate component is identical, including swash plate, multiple piston shoes and return plate, the cunning
Boots one end is embedded in the sliding slot of the swash plate, and the other end and the plunger are hinged, and the return plate is fastened on the piston shoes and institute
It states between sliding slot, for the rolling friction of the piston shoes and the swash plate to be converted to sliding friction, plunger pump is by plunger
During reciprocatingly sliding in cylinder body, oil suction-oil extraction process is completed.When oil extraction, forward plunger motion, this movement is by oblique
Disk pushes；When oil suction, plunger moves backward, this movement is exactly that return plate is completed.
The variable regulating mechanism is divided into bilateral synchronous regulating mechanism, unilateral regulating mechanism and bilateral transfer and adjusts machine
Structure.Bilateral synchronous regulating mechanism is by through-rod piston formula hydraulic cylinder 8, first connecting rod 6, second connecting rod 7, third connecting rod 9, fourth link
10, electrohydraulic servo valve 11, the first return spring form the 16, second return spring 15 composition；Unilateral regulating mechanism is by through-rod piston
Formula hydraulic cylinder 8, first connecting rod 6, electrohydraulic servo valve 11, the first return spring 16 composition；Bilateral transfer regulating mechanism is lived by double rod
Plunger type hydraulic cylinder 8, single-rod piston formula hydraulic cylinder 18, first connecting rod 6, fourth link 10, electrohydraulic servo valve 11, solenoid directional control valve
17, the first return spring 16 forms.The swash plate is connected with variable regulating mechanism, in bilateral synchronous regulating mechanism and bilateral transfer
In regulating mechanism, two swash plates are all hinged on swash plate seat；In unilateral regulating mechanism, the first swash plate 1 is hinged on swash plate seat, the
Two swash plates 14 are fixed；Variable regulating mechanism realizes the variable of two inclined plate plunger pump by changing swash plate relative position inclination angle.Column
Plug pump is when working, and return spring makes swash plate be fixed on the position angle of a limit, and spring mainly provides pre compressed magnitude, rises
The effect of fixed swash plate.
It is as shown in figures 1 and 3 two inclined plate plunger pump bilateral synchronous regulating device, effect of two swash plates in return spring
Under, the first swash plate 1 and 14 relative position inclination angle of the second swash plate are in maximum rating；Described first swash plate 1 and first connecting rod 6 into
Row is hinged, then is attached with the third connecting rod 9 in a fixing seat, and forms connecting rod with a through-rod piston formula hydraulic cylinder 8
Structure；Second swash plate 14 carries out hingedly with fourth link 10, then is connected with the second connecting rod 7 in a fixing seat
It connects, and forms link mechanism with a through-rod piston formula hydraulic cylinder 8；The through-rod piston formula hydraulic cylinder 8 is by electrohydraulic servo valve 11
It is driven.The working mechanism of two inclined plate plunger pump bilateral synchronous regulating device are as follows:
(1) as starting point when being in maximum rating using the angle of two swash plates, when electrohydraulic servo valve 11 inputs forward current signal
When, PA is communicated, BT is communicated, and the through-rod piston of hydraulic cylinder 8 is mobile to the first swash plate 1, four-bar linkage structure movement is driven, to drive
First swash plate 1 rotates clockwise, and the second swash plate 14 rotates counterclockwise, if input signal persistently increases, the relative position of two swash plates
Angle first reduces, and increases to maximum after zero crossing again；
(2) hereafter, when electrohydraulic servo valve 11 inputs negative current signal, PB is communicated, AT is communicated, at this time hydraulic cylinder 8
Through-rod piston is mobile to the second swash plate 14, drives four-bar linkage structure movement, so that the first swash plate 1 of driving rotates counterclockwise, second
The rotation of the instantaneous needle of swash plate 14, if input signal persistently increases, the relative position angle of two swash plates first reduces, and increases again after zero crossing
Greatly.
It is as shown in Figure 2 and Figure 4 two inclined plate plunger pump bilateral synchronous regulating device, the first swash plate 1 is hinged on swash plate seat,
Second swash plate 14 is fixed, relative position of first swash plate 1 under the action of the first return spring 16, with the second swash plate 14
Inclination angle is in maximum rating；Described first swash plate 1 carries out hingedly with first connecting rod 6, first connecting rod 6 again with through-rod piston formula liquid
The piston rod of cylinder pressure 8 carries out hingedly, and cylinder body 5 is hinged on hold-down support again；The through-rod piston formula hydraulic cylinder 8 is by electro-hydraulic servo
Valve 11 is driven.The working mechanism of the unilateral regulating mechanism of two inclined plate plunger pump are as follows:
(1) as starting point when being in maximum rating using the angle of opposite second swash plate 14 of the first swash plate 1, when electrohydraulic servo valve 11
When inputting negative current signal, PB is communicated, AT is communicated, and the piston of through-rod piston formula hydraulic cylinder 8 is mobile to the second swash plate 14, is driven
First connecting rod 6 moves, so that the first swash plate 1 of driving rotates clockwise, if input signal persistently increases, the relative position of two swash plates
Angle reduces until zero degree；
(2) hereafter, when electrohydraulic servo valve 11 inputs forward current signal, PA is communicated, BT is communicated, at this time hydraulic cylinder 8
Piston is mobile to the first swash plate 1, and first connecting rod 6 is driven to move, so that the first swash plate 1 of driving rotates counterclockwise, if input signal
Lasting to increase, the relative position angle of two swash plates is gradually increased to maximum angle.
It is illustrated in figure 5 the bilateral transfer regulating device of two inclined plate plunger pump, by through-rod piston formula hydraulic cylinder 8, single-rod piston
Formula hydraulic cylinder 18, first connecting rod 6, fourth link 10, electrohydraulic servo valve 11, solenoid valve 17, return spring 16 form.Described two
Swash plate is hinged on swash plate seat, and the first swash plate 1 inclines under the action of the first return spring 16 with the relative position of the second swash plate 14
Angle is in maximum rating；First swash plate 1 carries out hingedly with first connecting rod 6, and first connecting rod 6 is hydraulic with through-rod piston formula again
The piston rod of cylinder 8 carries out hingedly, and cylinder body is hinged on hold-down support；The through-rod piston formula hydraulic cylinder 8 is by electrohydraulic servo valve 11
It is driven.Described second swash plate 14 carries out hingedly with first connecting rod 6, first connecting rod 6 again with single-rod piston formula hydraulic cylinder 18
Piston rod carry out hinged, cylinder body 5 is connected on hold-down support, and the single-rod piston formula hydraulic cylinder 18 is driven by solenoid valve 17
It is dynamic, therefore there are two position angles for the second swash plate 14, in the extreme position close to the second swash plate 14 when initial, solenoid valve 17 is opened
Rear second swash plate 14 is opened in the extreme position close to the first swash plate 1.The work of two inclined plate plunger pump side transfer regulating device in pairs
Mechanism:
(1) when solenoid valve 17 powers off, PD is communicated, CT is communicated, and the piston of single-rod piston formula hydraulic cylinder 18 is to the second swash plate
14 is mobile, until stroke terminates, the second swash plate 14 is in the second extreme position at this time.
(2) when electrohydraulic servo valve 11 inputs negative current signal, PB is communicated, AT is communicated, through-rod piston formula hydraulic cylinder 8
Piston is mobile to the second swash plate 14, drives link motion, so that the first swash plate 1 of driving rotates clockwise, if input signal continues
Increase, the relative position angle of two swash plates reduces until zero degree；
(3) hereafter, when electrohydraulic servo valve 11 inputs forward current signal, PA is communicated, BT is communicated, at this time hydraulic cylinder 8
Piston is mobile to the first swash plate 1, drives link motion, so that the first swash plate 1 of driving rotates counterclockwise, if input signal persistently increases
Greatly, the relative position angle of two swash plates is gradually increased to maximum angle.
(4) when the solenoid valve is energized: PC is communicated, DT is communicated, and the piston of single-rod piston formula hydraulic cylinder 18 is moved to the first swash plate 1
Dynamic, until stroke terminates, the second swash plate 14 is in the first extreme position at this time.At this time electrohydraulic servo valve 11 input charged signal with
Above-mentioned rule is similar.
The positional relationship of two swash plates during utility model works is explained in detail below.
It is the relative position inclination angle of two swash plate of bilateral synchronous regulating mechanism referring to Fig. 6, θ.When the first swash plate 1 and the second swash plate
14 when being in initial position, and Flat valve/axis assigning plunger pump discharge capacity is maximum at this time, and the revolving speed of axis flow piston motor is maximum；
When θ is decreased to 0, the first swash plate 1 and the second swash plate 14 gradually arrive dead-center position, and the discharge capacity of plunger pump reduces until being reduced to zero；
When θ is inversely increased to maximum, the first swash plate 1 and the second swash plate 14 gradually arrive maximum position, and Flat valve pumpage becomes larger, and axis is matched
The flow direction of stream plunger pump is reversed, discharge capacity becomes larger, and the steering of axis flow piston motor is reversed, and revolving speed increases.Similarly, when two swash plate positions
It sets when from maximum position to initial position, process is similar to the above.
It is the relative position inclination angle of two swash plate of unate variable regulating mechanism referring to Fig. 7, α.When the first swash plate 1 is in initial bit
When setting, Flat valve/axis assigning plunger pump discharge capacity is maximum at this time, and the revolving speed of axis flow plunger is maximum；When α is decreased to 0, first tiltedly
When disk 1 and the second swash plate 14 gradually arrive dead-center position, the discharge capacity of plunger pump reduces until being reduced to zero.Similarly, when the first swash plate position
It sets when from dead-center position to initial position, Flat valve/axis assigning plunger pump discharge capacity becomes larger, the revolving speed liter of axis flow plunger
It is high.
It is the relative position inclination angle of bilateral two swash plate of transfer regulating mechanism referring to Fig. 8, γ.When the first swash plate 1 is in initial
Position, when the second swash plate 14 is in the second extreme position, the relative position angle of two swash plates is maximum at this time, and the discharge capacity of plunger pump is most
Greatly.Change relative position angle of first swash plate 1 relative to the second swash plate 14, when angle is reduced to zero, axis assigning plunger pump
Discharge capacity reduce, the revolving speed of axis flow plunger reduces；When two opposite position angles increase, the discharge capacity of axis assigning plunger pump becomes
Greatly, the revolving speed of axis flow piston motor increases.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of two inclined plate plunger pump, including cylinder body, the cylinder body both ends are respectively disposed with multiple mutual corresponding plunger holes, institute
It states and is equipped with plunger in plunger hole, each plunger at the cylinder body both ends is respectively corresponded to form multiple plungers pair, it is characterised in that:
The plunger pump includes the first swash plate component and the second swash plate component for being symmetricly set on cylinder body both ends of the surface, and described first tiltedly
The structure of disk component and the second swash plate component is identical, including swash plate, multiple piston shoes and return plate, described in piston shoes one end insertion
In the sliding slot of swash plate, the other end and the plunger are hinged, and the return plate is fastened between the piston shoes and the sliding slot；
At least one described swash plate is connected with variable regulating mechanism, and the variable regulating mechanism includes link assembly, piston-type hydro
Cylinder pressure and then control valve, the swash plate, link assembly and piston-type hydraulic cylinder are sequentially connected with, the piston-type hydraulic cylinder with it is described
Control valve connection, and the control valve drives the link assembly movement by the movement of control piston-type hydraulic cylinder, into
And drive swash plate movement to change the inclination angle of swash plate, thus realize the cylinder body during rotation the plunger in plunger
The discharge capacity of pilot plunger pump is moved reciprocatingly and then realized in hole.
2. a kind of two inclined plate plunger pump according to claim 1, which is characterized in that the piston-type hydraulic cylinder is living for double rod
Plunger type hydraulic cylinder or single-rod piston formula hydraulic cylinder.
3. a kind of two inclined plate plunger pump according to claim 2, which is characterized in that the control valve be electrohydraulic servo valve or
Solenoid directional control valve.
4. a kind of two inclined plate plunger pump according to claim 3, which is characterized in that the link assembly includes the first company
Bar, second connecting rod, third connecting rod and fourth link, the first connecting rod is set in fixing seat and the first swash plate component described in one end
Swash plate it is hinged, the other end and the third connecting rod are hinged, the second connecting rod be set to fixing seat on and one end described in second tiltedly
The swash plate of disk component is hinged, and the other end and the fourth link are hinged, and the second connecting rod and third connecting rod pass through the double rod
Piston-type hydraulic cylinder connection, the electrohydraulic servo valve are connect with the through-rod piston formula hydraulic cylinder.
5. a kind of two inclined plate plunger pump according to claim 3, which is characterized in that the link assembly includes the first company
Bar, the first connecting rod is set in fixing seat and one end and the swash plate of the first swash plate component are hinged, the other end and described pair
The connection of bar piston-type hydraulic cylinder, the electrohydraulic servo valve are connect with the through-rod piston formula hydraulic cylinder.
6. a kind of two inclined plate plunger pump according to claim 3, which is characterized in that the link assembly includes first connecting rod
And fourth link, the first connecting rod are arranged in fixing seat and one end and connect with the swash plate in the first swash plate component, separately
One end is connect with the through-rod piston formula hydraulic cylinder, and the through-rod piston formula hydraulic cylinder is connect with the electrohydraulic servo valve, described
Fourth link is arranged in fixing seat and one end and connect with the swash plate in the second swash plate component, and the other end and the single pole are living
The connection of plunger type hydraulic cylinder, the single-rod piston formula hydraulic cylinder are connect with the solenoid directional control valve.
7. a kind of two inclined plate plunger pump according to claim 1, which is characterized in that the plunger pump further includes flow dress
It sets, the flow distribution apparatus is set to the one end of the plunger hole far from the swash plate.
8. a kind of two inclined plate plunger pump according to claim 7, which is characterized in that the flow distribution apparatus is Flat valve device
Or axis flow distribution apparatus.
9. a kind of two inclined plate plunger pump according to claim 1-8, which is characterized in that the variable regulating mechanism
It further include return spring, the return spring is set to the bottom end of the swash plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821256431.4U CN208778156U (en) | 2018-08-06 | 2018-08-06 | A kind of two inclined plate plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821256431.4U CN208778156U (en) | 2018-08-06 | 2018-08-06 | A kind of two inclined plate plunger pump |
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| Publication Number | Publication Date |
|---|---|
| CN208778156U true CN208778156U (en) | 2019-04-23 |
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ID=66155506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821256431.4U Active CN208778156U (en) | 2018-08-06 | 2018-08-06 | A kind of two inclined plate plunger pump |
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| CN (1) | CN208778156U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869223A (en) * | 2018-08-06 | 2018-11-23 | 华中科技大学 | A kind of two inclined plate plunger pump |
| CN110239638A (en) * | 2019-04-30 | 2019-09-17 | 长沙桑铼特农业机械设备有限公司 | A kind of two track drive tractor proportion expressions steering drive method |
-
2018
- 2018-08-06 CN CN201821256431.4U patent/CN208778156U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869223A (en) * | 2018-08-06 | 2018-11-23 | 华中科技大学 | A kind of two inclined plate plunger pump |
| CN110239638A (en) * | 2019-04-30 | 2019-09-17 | 长沙桑铼特农业机械设备有限公司 | A kind of two track drive tractor proportion expressions steering drive method |
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