CN209414286U - A kind of swash plate plunger type hydraulic transformer supported using static pressure - Google Patents
A kind of swash plate plunger type hydraulic transformer supported using static pressure Download PDFInfo
- Publication number
- CN209414286U CN209414286U CN201822009519.2U CN201822009519U CN209414286U CN 209414286 U CN209414286 U CN 209414286U CN 201822009519 U CN201822009519 U CN 201822009519U CN 209414286 U CN209414286 U CN 209414286U
- Authority
- CN
- China
- Prior art keywords
- static pressure
- end cap
- shell
- oil
- cylinder body
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of swash plate plunger type hydraulic transformers supported using static pressure, including shell, left end cap, oblique tray type plunger pump machanism, valve plate, voltage control axis and right end cap；Left end cap and right end cap are fixed together by screw and shell, machined static pressure annular oil groove on shell, and the inside is passed through static pressure oil and supports at static pressure；Annular groove is devised on the right step surface of voltage control axis, annular groove is connected with oil inlet, constitutes static pressure support.Retracting spring plays the role of pre-pressing, and one end makes cylinder body press to swash plate, and one end makes bulb backhaul platen press to piston shoes, realizes the backhaul action of plunger.The swash plate plunger type hydraulic transformer using static pressure support of the utility model is supported using static pressure, is reduced force of sliding friction, is reduced the driving torque of voltage control axis, improve transmission efficiency.
Description
Technical field
The utility model relates to a kind of swash plate plunger type hydraulic transformers supported using static pressure, and it is hydraulic to belong to machinery industry
Element Technology.
Background technique
With the development of human society, energy consumption is increasing, and environmental pollution is increasingly severe, and haze has developed shadow
The life health of the mankind is rung.Energy conservation becomes the research emphasis of various industries.Hydraulic Power Transmission System efficiency is lower,
Become the bottleneck of professional Hydraulic Power Transmission System application.Secondary Regulation Technology based on pressure common rail improves the soft of hydraulic system
Property and efficiency have many advantages in Secondary Control principle, but can only drive rotary load.For the volume control for realizing straight line load
System just needs to use this Hydraulic Elements of hydraulic transformer, this is the technical background that hydraulic transformer generates.
Traditional hydraulic transformer is directly coaxially to couple hydraulic motor and hydraulic pump, by the row for adjusting hydraulic motor
Input pressure is become the pressure that load needs, realizes pressure change by amount.Because this transformer is that hydraulic pump and motor is mechanical
Be linked together, thus volume and weight is big, and the adjusting force needed is also bigger, at high cost, low efficiency, affects answering for it
With.
Since novel hydraulic transformer is composition that hydraulic pump and hydraulic motor are integrated in one, processed on valve plate
Three are matched chute, control transformation ratio by the rotation of valve plate, so how to realize that the flow of no restriction loss is desirable
It solves the problems, such as, while novel hydraulic transformer, there is also control structure volume is big, inertia is big, dynamic response and low efficiency are asked
Topic.
Utility model content
Purpose of utility model: in order to overcome the deficiencies in the prior art, the utility model provides a kind of using static pressure
The swash plate plunger type hydraulic transformer of support is to pass through static pressure between the cylinder body of the hydraulic transformer and the shell of hydraulic transformer
The mode of support realizes support and lubrication, and this design reduces the coefficient of frictions between connector, improve the biography of whole device
Efficiency of movement.
Technical solution: to achieve the above object, the technical solution adopted in the utility model are as follows:
A kind of swash plate plunger type hydraulic transformer supported using static pressure, including shell, left end cap, oblique tray type plunger pump machine
Structure, valve plate, voltage control axis and right end cap；
The oblique tray type plunger pump machanism includes cylinder body, swash plate, bulb backhaul platen, retracting spring, N number of plunger and correspondence
The piston shoes of number, the left end side of cylinder body have been evenly arranged N number of plunger hole, have been provided with spring cavity I, plunger in the middle part of the left end of cylinder body
One end be mounted in plunger hole, the other end of plunger is mounted on swash plate by corresponding piston shoes, the side of bulb backhaul platen
It is connect with piston shoes, is provided with spring cavity II in the middle part of the right end of bulb backhaul platen, the left and right ends of retracting spring are separately mounted to
In spring cavity II and spring cavity I；
The left end cap and shell left end are tightly connected, and right end cap and shell right end are tightly connected, cylinder body, valve plate and change
Pressure control shaft is coaxially mounted in shell, and cylinder body is tightly fastened with case inside wall, and valve plate and voltage control axis are fixed, and is passed through
Cylinder body and right end cap compress valve plate and voltage control axis；Enclosure interior is divided into two by left end cap, cylinder body and right end cap
Leftward space, right end cap between sealing area, respectively left end cap and cylinder body and the right side of the space between cylinder body.
Preferably, more than one static pressure annular oil groove is provided in the inner walls, static pressure annular oil groove is arranged in shell
On the inner wall that body is bonded with cylinder body, and all static pressure annular oil grooves and leftward space pass through the static pressure support slot in inner walls
Connection fills static pressure oil in leftward space and its connected space, adds oil supplying hole in housing sidewall, to the left by oil supplying hole
Filling static pressure oil in space and its connected space；
It is arranged 3 one on the valve plate and assembles chute, A mouth, B mouthfuls, T mouthfuls as transformer, the voltage control axis
On be provided with oil inlet and main cloth oil channel, the right end in main cloth oil channel is connected to oil inlet, the left end in main cloth oil channel with it is right
It should be connected to chute, be connected to chute with the oil inlet passage of corresponding plunger hole；On the wall surface that voltage control axis is bonded with right end cap
It is provided with annular groove, main cloth oil channel, annular groove and right side of the space are connected to by the fabrication hole inside voltage control axis, are realized and are become
The static pressure between control shaft and right end cap is pressed to support.
This case machined static pressure annular oil groove in the inside of shell, and the inside is passed through static pressure oil, may be implemented to the quiet of cylinder body
Pressure support reduces model coefficient and improves dynamic property and efficiency；The hydraulic oil groove of right end cap is designed in the right end of voltage control axis,
The hydraulic oil groove of right end cap is connected to oil inlet, is realized the static pressure support between voltage control axis and right end cap, be may be implemented to become
The reduction of voltage-controlled driving torque processed.The cylinder body of this case is fixed by static pressure support, is eliminated the splined shaft in being commonly designed, is subtracted
The small rotary inertia of transformer, improves the dynamic property of transformer；Adaptability, left end cap is closed structure, intermediate
It is not no axis hole；By the design of retracting spring, the backhaul of the pre-pressing and plunger of cylinder body can be realized.
Preferably, the voltage control axis left end setting there are three match head piece, with head piece it is consistent with flow slot number mesh and
Connection is corresponded, is connected to simultaneously with main cloth oil channel with head piece.With head piece and being adapted to chute, throttling damage can be reduced
It loses.
Preferably, the right end of the voltage control axis is provided with the pipe screw thread for connecting oil cylinder, oil inlet and pipe screw thread
Connection.The design of the screwed pipe reduces leakage link, improves the volumetric efficiency of hydraulic transformer.
The utility model has the advantages that the swash plate plunger type hydraulic transformer provided by the utility model supported using static pressure, hydraulic transformation
It is to realize support and lubrication in such a way that static pressure supports between the cylinder body of device and the shell of hydraulic transformer, which reduces
Coefficient of friction between connector, improves the transmission efficiency of whole device.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the utility model；
Fig. 2 is the schematic diagram of the section structure of shell；
Fig. 3 is the right side structural schematic diagram of voltage control axis；
Fig. 4 is I-I face schematic cross-sectional view of Fig. 3；
Fig. 5 is the stereoscopic schematic diagram of valve plate.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
As shown in Figure 1 for it is a kind of using static pressure support swash plate plunger type hydraulic transformer, including shell 2, left end cap 1,
Oblique tray type plunger pump machanism, valve plate 9, voltage control axis 10 and right end cap 11.
As shown in Figure 1, the oblique tray type plunger pump machanism includes cylinder body 8, swash plate 3, bulb backhaul platen 5, retracting spring
7, the piston shoes 4 of N number of plunger 6 and corresponding number, the left end side of cylinder body 8 have been evenly arranged N number of plunger hole, in the left end of cylinder body 8
Portion is provided with spring cavity I, and one end of plunger 6 is mounted in plunger hole, and the other end of plunger 6 passes through corresponding piston shoes 4 and is mounted on tiltedly
On disk 3, the side of bulb backhaul platen 5 is connect with piston shoes 4, is provided with spring cavity II in the middle part of the right end of bulb backhaul platen 5, is returned
The left and right ends of journey spring 7 are separately mounted in spring cavity II and spring cavity I.7 one end of retracting spring presses to cylinder body 2, gives cylinder body 2
Initial pretightening force presses to valve plate 9；The other end of retracting spring 7 presses to bulb backhaul platen 5, and plunger 6 is pressed to swash plate 3, real
The drawback movement of existing plunger 6.
As shown in Figure 1, the left end cap 1 is fixed with 2 left end of shell by screw, intermediate mounting O-shaped sealing ring；Right end cap
11 are tightly connected with 2 right end of shell, and cylinder body 8, valve plate 9 and voltage control axis 10 are coaxially mounted in shell 2, cylinder body 8 and shell
2 inner sidewall of body is tightly fastened, and valve plate 9 and voltage control axis 10 are fixed together by pin, is pressed by cylinder body 8 and right end cap 11
Close-fitting flow table 9 and voltage control axis 10；Two seal areas will be divided into inside shell 2 by left end cap 1, cylinder body 8 and right end cap 11
Leftward space, right end cap 11 between domain, respectively left end cap 1 and cylinder body 8 and the right side of the space between cylinder body 8.
As shown in Fig. 2, more than one static pressure annular oil groove is provided on 2 inner wall of shell, the setting of static pressure annular oil groove
On the inner wall that shell 2 is bonded with cylinder body 8, and all static pressure annular oil grooves and leftward space pass through it is quiet on 2 inner wall of shell
Support slot connection is pressed, static pressure oil is filled in leftward space and its connected space, oil supplying hole is added in 2 side wall of shell, passes through confession
Filling static pressure oil in oilhole space and its connected space to the left.
As shown in Figure 3, Figure 4, three are arranged on the valve plate 9 and match chute, be provided on the voltage control axis 10 into
Hydraulic fluid port 10-1 and main cloth oil channel 10-2, the right end of main cloth oil channel 10-2 are connected to oil inlet 10-1, main cloth oil channel 10-2
Left end be connected to corresponding with chute, the oil inlet passage connection with chute and corresponding plunger hole；Voltage control axis 10 and right end cap
Annular groove 10-3 is provided on the wall surface of 11 fittings, main cloth oil channel 10-2, annular groove 10-3 and right side of the space pass through transformation control
Fabrication hole 10-4 connection inside axis 10 processed realizes that the static pressure between voltage control axis 10 and right end cap 11 supports.
The voltage control axis 10 left end setting there are three match head piece, A mouth, B mouthfuls, T mouthfuls as transformer, respectively with
Three of valve plate 9 are connected to chute；It is connected to simultaneously with main cloth oil channel 10-2 with head piece；The right end of the voltage control axis 10
It is provided with the pipe screw thread for connecting oil cylinder, oil inlet 10-1 is connected to pipe screw thread.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (4)
1. a kind of swash plate plunger type hydraulic transformer supported using static pressure, it is characterised in that: including shell (2), left end cap
(1), oblique tray type plunger pump machanism, valve plate (9), voltage control axis (10) and right end cap (11)；
The oblique tray type plunger pump machanism includes cylinder body (8), swash plate (3), bulb backhaul platen (5), retracting spring (7), N number of column
The piston shoes (4) of (6) and corresponding number are filled in, the left end side of cylinder body (8) has been evenly arranged N number of plunger hole, in the left end of cylinder body (8)
Portion is provided with spring cavity I, and one end of plunger (6) is mounted in plunger hole, and the other end of plunger (6) passes through corresponding piston shoes (4) peace
On swash plate (3), the side of bulb backhaul platen (5) is connect with piston shoes (4), is set in the middle part of the right end of bulb backhaul platen (5)
It is equipped with spring cavity II, the left and right ends of retracting spring (7) are separately mounted in spring cavity II and spring cavity I；
The left end cap (1) and shell (2) left end are tightly connected, and right end cap (11) and shell (2) right end are tightly connected, cylinder body
(8), valve plate (9) and voltage control axis (10) are coaxially mounted in shell (2), and cylinder body (8) and shell (2) inner sidewall are closely solid
Fixed, valve plate (9) and voltage control axis (10) are fixed, compress valve plate (9) and transformation control by cylinder body (8) and right end cap (11)
Axis (10) processed；Two sealing areas will be divided into inside shell (2) by left end cap (1), cylinder body (8) and right end cap (11), respectively
Leftward space, right end cap (11) between left end cap (1) and cylinder body (8) and the right side of the space between cylinder body (8).
2. the swash plate plunger type hydraulic transformer according to claim 1 supported using static pressure, it is characterised in that: the shell
More than one static pressure annular oil groove is provided on body (2) inner wall, the setting of static pressure annular oil groove is bonded in shell (2) with cylinder body (8)
Inner wall on, and all static pressure annular oil grooves and leftward space be by the static pressure support slot connection on shell (2) inner wall, on a left side
Filling static pressure oil in side space and its connected space, in shell (2), side wall adds oil supplying hole, by oil supplying hole space to the left and
Filling static pressure oil in its connected space；
Setting one assembles chute on the valve plate (9), and oil inlet (10-1) and master are provided on the voltage control axis (10)
The right end in cloth oil channel (10-2), main cloth oil channel (10-2) is connected to oil inlet (10-1), the left side in main cloth oil channel (10-2)
End is connected to corresponding with chute, is connected to chute with the oil inlet passage of corresponding plunger hole；Voltage control axis (10) and right end cap
(11) it is provided with annular groove (10-3) on the wall surface being bonded, main cloth oil channel (10-2), annular groove (10-3) and right side of the space are logical
Internal fabrication hole (10-4) connection of voltage control axis (10) is crossed, is realized quiet between voltage control axis (10) and right end cap (11)
Pressure support.
3. the swash plate plunger type hydraulic transformer according to claim 1 supported using static pressure, it is characterised in that: the change
There are three with head piece, and one-to-one correspondence connection consistent with flow slot number mesh with head piece, flow for the left end setting of pressure control shaft (10)
Mouth is connected to main cloth oil channel (10-2) simultaneously.
4. the swash plate plunger type hydraulic transformer according to claim 1 supported using static pressure, it is characterised in that: the change
The right end of pressure control shaft (10) is provided with the pipe screw thread for connecting oil cylinder, and oil inlet (10-1) is connected to pipe screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822009519.2U CN209414286U (en) | 2018-12-03 | 2018-12-03 | A kind of swash plate plunger type hydraulic transformer supported using static pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822009519.2U CN209414286U (en) | 2018-12-03 | 2018-12-03 | A kind of swash plate plunger type hydraulic transformer supported using static pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209414286U true CN209414286U (en) | 2019-09-20 |
Family
ID=67936166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822009519.2U Active CN209414286U (en) | 2018-12-03 | 2018-12-03 | A kind of swash plate plunger type hydraulic transformer supported using static pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209414286U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372809A (en) * | 2018-12-03 | 2019-02-22 | 徐州工程学院 | A kind of swash plate plunger type hydraulic transformer supported using static pressure |
| CN112377472A (en) * | 2020-11-04 | 2021-02-19 | 江苏师范大学 | Four-way hydraulic transformer with shaft flow distribution structure |
-
2018
- 2018-12-03 CN CN201822009519.2U patent/CN209414286U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372809A (en) * | 2018-12-03 | 2019-02-22 | 徐州工程学院 | A kind of swash plate plunger type hydraulic transformer supported using static pressure |
| CN112377472A (en) * | 2020-11-04 | 2021-02-19 | 江苏师范大学 | Four-way hydraulic transformer with shaft flow distribution structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209414286U (en) | A kind of swash plate plunger type hydraulic transformer supported using static pressure | |
| CN201116524Y (en) | Valve-type oil distribution and inclined disc drive axial direction reciprocating pump lubrication device | |
| CN103075384B (en) | Friction-free hydraulic cylinder for primary mirror support | |
| CN109372809A (en) | A kind of swash plate plunger type hydraulic transformer supported using static pressure | |
| CN102444776A (en) | Grease pressing pump | |
| CN110645286B (en) | Electric control hydraulic dry clutch | |
| CN201836284U (en) | Energy-collecting shock absorber | |
| CN211398353U (en) | Electric control hydraulic clutch | |
| CN106438680A (en) | High-pressure gear pump bearing with sealing structure | |
| CN103527437A (en) | High-pressure and high-speed valve flow distributing axial plunger pump | |
| CN102616697B (en) | Oil jack with pneumatic pump | |
| CN105485280A (en) | Power transmission mechanism and power device | |
| CN107131346A (en) | Twin-tub fluid-control valve actuator | |
| CN111980913A (en) | Hydraulic brake motor device | |
| CN201027715Y (en) | Deep sea energy-saving integrated hydraulic power source | |
| CN206668848U (en) | New adjustable, antioverloading viscous damper | |
| CN210003593U (en) | self-pressure-retaining rotary oil cylinder with automatic oil return function | |
| CN107061135A (en) | A kind of novel axial piston motor | |
| CN208778385U (en) | A kind of multi-stag pressure regulation hydraulic cylinder assembly | |
| CN203642567U (en) | Electronic expansion valve | |
| CN207111332U (en) | A kind of ship hand steering gear novel plunger-type self-lock manual pump | |
| CN202625730U (en) | Oil jack with pneumatic pump | |
| CN210660561U (en) | Hydraulic brake motor device | |
| CN216518450U (en) | Plunger pump with low noise and high suction capacity | |
| CN216767933U (en) | Oil cylinder assembly with high air tightness based on elevator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |