CN206571637U - Single plunger Double-discharge progressive rotation type hydraulic unit driver - Google Patents
Single plunger Double-discharge progressive rotation type hydraulic unit driver Download PDFInfo
- Publication number
- CN206571637U CN206571637U CN201720052819.1U CN201720052819U CN206571637U CN 206571637 U CN206571637 U CN 206571637U CN 201720052819 U CN201720052819 U CN 201720052819U CN 206571637 U CN206571637 U CN 206571637U
- Authority
- CN
- China
- Prior art keywords
- pump
- oil
- core
- block
- pump core
- 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
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model is related to a kind of single plunger Double-discharge progressive rotation type hydraulic unit driver, with the input shaft in drive end bearing bracket, the pump block of end face, there are an inlet port and two oil discharge outlets on pump block, input shaft one end connects motor, the other end connects pump core by floating shaft coupling knot, is connected between pump block and pump core by the steel ball in the semi-circular grooves of pump core periphery and the sphere of pump block, pump core is made axially reciprocating along the groove of pump core periphery while rotation；Pump core two ends center has blind hole and oil groove, wherein, the blind hole and input shaft of one end constitute the left end oil closed cavity of pump, other end blind hole and pump block, the pump housing constitute the right-hand member oil closed cavity of pump, pump core rotates, and the oil groove of pump core replaces switching with the inlet port of pump block and oil discharge outlet and connected, the volume of two oil closed cavities of left and right axially reciprocating alternate change of simultaneous pump core or so, suction oil is realized, Double-discharge output is formed.Working media is the hydraulic oil either fluid such as aqueous medium.
Description
Technical field
The utility model is related to a kind of hydraulic pump, especially a kind of progressive rotation type hydraulic unit driver, and working media is liquid
The force feed either fluid such as aqueous medium.
Background technology
Plunger pump has the advantages that rated pressure height, compact conformation, efficiency high and Flow-rate adjustment are convenient, is widely used in
High pressure, big flow and flow are needed in the occasion adjusted, such as hydraulic press, engineering machinery and ship.Plunger pump is divided into axial columns
Fill in two kinds of representational structure types of pump and radial plunger pump.It is moved back and forth by plunger in cylinder body, holds seal operation
The volume of chamber changes to realize oil suction, force feed.Radial plunger pump is larger due to complicated, volume, in many occasions
Through being replaced by axial plunger pump.Axial plunger pump is produced by being moved back and forth using the plunger parallel with power transmission shaft in plunger hole
Volume change to be operated.The operation principle of the common axial plunger pump of tradition, when power transmission shaft drives cylinder body to rotate,
Cylinder body can drive piston rotation, by changing the angle between plunger and clinoplain or between power transmission shaft so that plunger exists
Intracavitary moves reciprocatingly.Plunger stretches out, the increase of chamber volume, intracavitary suction fluid, claims oil-absorbing process；Plunger is retracted, and chamber volume subtracts
Small, intracavitary discharge fluid claims oil extraction process.Cylinder constantly rotates realization continuously oil suction and oil extraction.
Plunger pump has the disadvantage that：It is complicated, material and requirement on machining accuracy height, price, the cleannes to oil
It is required that high.There are multiple friction pairs in structure, plunger is had certain friction loss by lateral forces.Power transmission shaft drives cylinder body
During rotation, rotary inertia is big.Integration is poor, and each pump has the independent pump housing, is not easy to inserting and installs, it is necessary to which big flow is defeated
Go out, many pump groups can only be carried out and close pump group arrangement；Noise and pulsation are larger.
Utility model content
The utility model is to provide for a kind of single plunger Double-discharge progressive rotation type hydraulic unit driver, for solving tradition
The shortcoming that exists of hydraulic planger pump, the hydraulic unit driver has that weight per unit power is light, structure is novel, inserting design, work
When inertia is small, pressure fluctuation is small, discharge capacity and efficiency high.
To achieve the above object, the technical solution of the utility model is：A kind of single plunger Double-discharge progressive rotation type hydraulic pressure
There is an inlet port on driver, the input shaft with one in drive end bearing bracket, the pump block in the pump housing, the pump housing
With two oil discharge outlets, pump block is built with pump core, and described input shaft one end connects motor, and the other end connects pump by floating shaft coupling knot
Core, drives pump core to be rotated in pump block, passes through the semicircle of pump core periphery between pump block and pump core by motor by input shaft
Steel ball in the sphere of shape groove and pump block is connected, and makes cosine curve of the pump core along pump core periphery while rotation
Groove makees axially reciprocating；The two ends center of the pump core has blind hole and oil groove, wherein, the blind hole of one end and input
Axle constitutes the left end oil closed cavity of pump, and other end blind hole and pump block, the pump housing constitute the right-hand member oil closed cavity of pump, when pump core rotation
When, the oil groove of the pump core replaces switching connection, the left and right axial direction of simultaneous pump core with the inlet port of pump block and oil discharge outlet
The volume of alternate change or so two oil closed cavities is moved back and forth, suction oil is realized, Double-discharge output is formed.
The pump block is made up of left pump block and right pump block, and left pump block and right pump block are in symmetrical structure, left pump block and right pump block
On be respectively equipped with several and be used to 1/4 sphere of steel ball with high precision be installed, at 1/4 sphere, be provided with for high-precision steel
The logical hydraulic fluid port of ball lubrication, vertically on position, circumferentially direction is provided with n oil-sucking hole and n outage, n oil suction respectively
Hole and n outage enter line misregistration by the angle for the 180 °/n that staggers and arranged, wherein, n=2 or 4 or 8.
Two center of the pump core be provided with the left and right blind hole of two same diameters, left and right blind hole have it is several
Long waist oil groove, and enter line misregistration arrangement in 180 °/several angle；The radial shape rail of the semi-circular grooves of pump core periphery
Mark is：S=, wherein A be displacement amplitude, n be pump stroke quantity, n=2 or 4 or 8, t be pump from
The angle turned over, i.e., 0 ~ 360 ° change, or be circular arc line or be second-degree parabola.
The floating shaft coupling knot includes keyway uniform in pump core, the keyway on input shaft, steel ball with high precision, the pump core
Keyway in four groups of eight steel ball with high precision are installed, be connected with the keyway of input shaft, pump core can be made while rotation
Realize and move back and forth, and transmit motor output torque.
The motor be servomotor or high-speed electric expreess locomotive, by the rotating speed and direction that change motor easily realize flow or
The change in direction.
The beneficial effects of the utility model are：
1. the hydraulic unit driver has two volumes change chambers, an inlet port, two oil discharge outlets a, pump core is realized double
Amount output.
2. the oil groove at pump core two ends, is arranged by 180 °/n angular misalignment, during the oil suction of one end, other end oil extraction, almost without
Pressure fluctuation.
3. small volume, unit power is lightweight, existing hydraulic pump is broken through in Aero-Space and Special use occasion
Using limitation.
4. with invertibity, the change in flow or direction can be easily realized by the rotating speed and direction for changing motor.
5. the high-speed rotation axle of hydraulic unit driver be pump core in itself, no unbalance loading situation, rotating speed can reach 5000 turns with
On.
6th, structure precision requires that low, difficulty of processing is relatively small, and rotary inertia is small and uniform, structural volume is small, it is possible to achieve
Highgrade integration.
7. traditional plunger pump is often designed with 6 plungers, there are multiple friction pairs, the utility model is only existed in 1 pole shoe
One friction pair of pump core-pump block, can improve efficiency and the life-span of pump.
Brief description of the drawings
Fig. 1 is single plunger Double-discharge progressive rotation type hydraulic unit driver overall construction drawing of the present utility model；
Fig. 2 is single plunger Double-discharge progressive rotation type hydraulic unit driver structure sectional view of the present utility model；
Fig. 3 is pump block structural upright schematic diagram；
Fig. 4 is pump core structural upright schematic diagram；
Fig. 5 is pump core structural front view；
Fig. 6 is pump core structure sectional view；
Fig. 7 is input shaft structure schematic perspective view.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 7, a kind of single plunger Double-discharge progressive rotation type hydraulic unit driver, including motor 30, input shaft
1st, drive end bearing bracket 2, the pump housing 20, pump block, pump core 4, floating shaft coupling knot, steel ball with high precision 9, steel ball 15 etc..
Input shaft 1 is installed, the end face of drive end bearing bracket 2, which is installed, has an inlet port S and two on pump block, pump block in drive end bearing bracket 2
Oil discharge outlet P, pump block connects pump core 4 built with pump core 4, the one end of input shaft 1 connection motor, the other end by floating shaft coupling knot, by
Motor 30 drives pump core 4 to be rotated in pump block by input shaft 1, passes through the semicircle of pump core periphery between pump block and pump core 4
Shape groove 21 is connected with the steel ball 15 in the sphere 24 of pump block, makes pump core 4 while rotation along pump core periphery
Semi-circular grooves 21 make axially reciprocating；The two ends center of pump core 4 has blind hole and oil groove, wherein, the blind hole of one end
The left end oil closed cavity of pump is constituted with input shaft 1, other end blind hole and pump block, the pump housing 20 constitute the right-hand member oil closed cavity of pump, when
When pump core 4 rotates, the oil groove of pump core 4 replaces switching connection with the inlet port S of pump block and oil discharge outlet P, simultaneous pump core 4
The volume of left and right axially reciprocating alternate change or so two oil closed cavities, realizes suction oil, forms Double-discharge output.Work is situated between
Matter is the hydraulic oil either fluid such as aqueous medium.
The specific attachment structure of single plunger Double-discharge progressive rotation type hydraulic unit driver is as follows：
（1）Motor 30 drives the rotation of hydraulic unit driver 32 by shaft coupling 31.See Fig. 1.Motor 30 is motor, is passed through
The rotating speed and direction that change motor easily realize the change in flow or direction.
（2）The front end of input shaft 1 is provided with flat key 6, and single direction thrust ball bearing 8 is provided between input shaft 1 and drive end bearing bracket 2,
Steel ball with high precision 9 is installed between pump input shaft 1 and pump core 4.It is attached between drive end bearing bracket 2 and left pump block 3 with straight pin 10.
Pump core 4 is attached with left pump block 3, right pump block 5 with steel ball 15.See Fig. 2.
（3）In left pump block 3, the outer pump housing 20 for installing a Fig. 1 of right pump block 5, carried out between drive end bearing bracket 2 and the pump housing 20 with screw
It is fixed, and sealed with seal, it just can turn into an independently installed pump.See Fig. 2.
（4）Pump block is made up of left pump block 3 and right pump block 5.Left pump block 3 and right pump block 5 are in symmetrical structure.Set on each pump block
There is the sphere 24 of several high accuracy 1/4, for installing steel ball 15.Pump block is provided with logical hydraulic fluid port at 1/4 sphere 24
25, for being lubricated and making pump core 4 not by extra additional hydraulic power to steel ball with high precision 15.Axial position at the two of pump block
Put, be circumferentially provided with n oil extraction n 27 of oil suction n 26 and n on direction respectively.N 26 and n oil extraction n individual 27 pushes the wrong
The angle for opening 180 °/n enters line misregistration arrangement, n=2,4,8.See Fig. 3.
（5）The structural representation of pump core 4 is shown in Fig. 4,5,6.The left end of pump core 4 is provided with the semi-circular grooves for installing steel ball with high precision
Groove 21.Two center of pump core is provided with the left and right blind hole 22,23 of two same diameters, and left blind hole 22 and input shaft 1 constitute pump
Left end closes cavity volume, and right blind hole 23 and right pump block 5, the pump housing 20 constitute the right-hand member closing cavity volume of pump.
（6）Semi-circular grooves 21 are designed with the face of cylinder D of pump core 4, are matched somebody with somebody with 1/4 sphere on left pump block 3, right pump block 5
Close, for installing steel ball 15.The radial shape track S of the groove of semi-circular grooves 21=, wherein A is displacement
Amplitude, n is the stroke quantity of pump, i.e. two-stroke, four strokes or eight strokes, and t is the angle that pump is turned over certainly, i.e., 0 ~ 360 ° change.
When motor drives pump core 4 to rotate, the axial direction fortune for realizing pump core by the steel ball mechanism is moved back and forth.Trajectory can be according to need
It is configured, or circular curve or second-degree parabola.
（7）Left end, right-hand member are respectively arranged with n connected with left and right blind hole 22,23 on the two ends face of cylinder d of pump core 4
Long waist oil groove, the rotation of pump core 4 makes the long waist oil groove of pump core 4 replace switching with the oil-sucking hole and outage of pump block.
（8）The long waist oil groove at the two ends of pump core 4 enters line misregistration arrangement in 180 °/n angle.When left end oil closed cavity starts row
When oily, right-hand member oil closed cavity starts oil suction；Left oil pocket oil extraction terminates, and right oil pocket oil suction terminates；Cantankerous oil suction starts, right oil pocket row
Oil starts.Oil closed cavity suction oil in left and right ends alternately, realizes pulse free pressure output.
（9）Floating shaft coupling knot：One shaft end of pump core 4 is provided with uniform keyway and sees Fig. 4, and 5,6,4 groups 8 are provided with keyway
Steel ball with high precision 9, coordinates with the keyway of input shaft 1 and sees Fig. 7, can realize and move back and forth while rotation, and it is defeated to transmit motor
Go out moment of torsion.
（10）The rotation of pump core 4 makes suction of the oil groove with pump block of pump core, oil discharge outlet replace switching, while in pump core 4 and pump block
Between in the presence of steel ball mechanism pump core make axially reciprocating, realize the volume of the oil pocket of alternate change or so two, realize suction oil
Function.
Claims (5)
1. a kind of single plunger Double-discharge progressive rotation type hydraulic unit driver, with an input shaft being arranged in drive end bearing bracket (2)
(1), the pump block in the pump housing (20), it is characterised in that：There is several inlet ports S and two rows on the pump housing (20)
Hydraulic fluid port P, pump block is built with pump core (4), and described input shaft (1) one end connects motor, and the other end connects pump by floating shaft coupling knot
Core (4), drives pump core (4) to be rotated in pump block, pump is passed through between pump block and pump core (4) by motor (30) by input shaft (1)
The semi-circular grooves (21) of core periphery are connected with the steel ball (15) in the sphere (24) of pump block, make pump core (4) in rotation
Make axially reciprocating along the semi-circular grooves (21) of pump core (4) periphery while turning；The two ends center of the pump core (4)
Blind hole and oil groove are had, wherein, the blind hole and input shaft (1) of one end constitute the left end oil closed cavity of pump, other end blind hole
The right-hand member oil closed cavity of pump is constituted with pump block, the pump housing (20), when pump core (4) rotates, the oil groove of the pump core (4) and pump block
Alternately switching is connected inlet port S with oil discharge outlet P, left and right axially reciprocating alternate change of simultaneous pump core (4) or so
The volume of two oil closed cavities, realizes suction oil, forms Double-discharge output.
2. single plunger Double-discharge progressive rotation type hydraulic unit driver according to claim 1, it is characterised in that：The pump block
By left pump block（3）With right pump block（5）Composition, left pump block（3）With right pump block（5）In symmetrical structure, left pump block（3）With right pump block
（5）On be respectively equipped with several and be used to 1/4 sphere (24) of steel ball (15) be installed, close to 1/4 sphere (24) place, be provided with
For steel ball (15) lubricate logical hydraulic fluid port (25), vertically on position, respectively circumferentially direction be provided with n oil-sucking hole (26) and
N outage (27), n oil-sucking hole and outage enter line misregistration arrangement by the angle for the 180 °/n that staggers, wherein, n=2 or 4 or 8.
3. single plunger Double-discharge progressive rotation type hydraulic unit driver according to claim 1, it is characterised in that：The pump core
(4) two center is provided with the left and right blind hole (22,23) of two same diameters, left and right blind hole (22,23) and has number
Individual long waist oil groove, and enter line misregistration arrangement, the radial direction of the semi-circular grooves (21) of pump core periphery in 180 °/several angle
Shape track is：S=, wherein A is the amplitude of displacement；N is the stroke quantity of pump, n=2 or 4 or 8；
T be pump from the angle that turns over, i.e., 0 ~ 360 ° change, or be circular curve or be second-degree parabola.
4. single plunger Double-discharge progressive rotation type hydraulic unit driver according to claim 1, it is characterised in that：It is described to float
Shaft coupling knot includes keyway uniform in pump core (4), the keyway on input shaft (1), steel ball with high precision（9）, the key of the pump core (4)
Four groups of eight steel ball with high precision are installed in groove（9）, and be connected with the keyway of input shaft (1), pump core can be made（4）In rotation
While realize and move back and forth, and transmit motor output torque.
5. single plunger Double-discharge progressive rotation type hydraulic unit driver according to claim 1, it is characterised in that：The motor
(30) it is servomotor or high-speed electric expreess locomotive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720052819.1U CN206571637U (en) | 2017-01-16 | 2017-01-16 | Single plunger Double-discharge progressive rotation type hydraulic unit driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720052819.1U CN206571637U (en) | 2017-01-16 | 2017-01-16 | Single plunger Double-discharge progressive rotation type hydraulic unit driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206571637U true CN206571637U (en) | 2017-10-20 |
Family
ID=60061508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720052819.1U Active CN206571637U (en) | 2017-01-16 | 2017-01-16 | Single plunger Double-discharge progressive rotation type hydraulic unit driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206571637U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704136A (en) * | 2017-01-16 | 2017-05-24 | 黄增 | Single-plunger double-displacement reciprocating rotation hydraulic drive |
| CN110748524A (en) * | 2019-11-21 | 2020-02-04 | 浙江诚信医化设备有限公司 | Mechanism capable of simultaneously executing circumferential rotation and axial movement |
| CN113719439A (en) * | 2021-08-24 | 2021-11-30 | 浙江千机智能科技有限公司 | Transmission structure, transmission connection mechanism and air compressor |
-
2017
- 2017-01-16 CN CN201720052819.1U patent/CN206571637U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704136A (en) * | 2017-01-16 | 2017-05-24 | 黄增 | Single-plunger double-displacement reciprocating rotation hydraulic drive |
| CN110748524A (en) * | 2019-11-21 | 2020-02-04 | 浙江诚信医化设备有限公司 | Mechanism capable of simultaneously executing circumferential rotation and axial movement |
| CN113719439A (en) * | 2021-08-24 | 2021-11-30 | 浙江千机智能科技有限公司 | Transmission structure, transmission connection mechanism and air compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103174618B (en) | Radial plunger hydraulic pump of double-acting type outer rotor | |
| CN106837725B (en) | two-dimensional axial plunger pump | |
| CN206571637U (en) | Single plunger Double-discharge progressive rotation type hydraulic unit driver | |
| CN102606443B (en) | Electromagnetic direct-drive electro-hydraulic servo pump | |
| CN107747531A (en) | A kind of two-dimentional piston oil transfer pump | |
| CN111997856A (en) | Two-dimensional piston pump with series-parallel structure | |
| WO2012152058A1 (en) | Duplex plunger pump | |
| CN114263585A (en) | Piston pump | |
| CN114263582A (en) | Plunger structure and double-motion-freedom-degree piston pump | |
| CN206562977U (en) | Two-dimensional axial plunger pump | |
| CN111997865A (en) | Miniature water hydraulic motor pump driven by roller carrier | |
| CN107387479A (en) | A kind of novel bidentate bar gear liquid cylinder pressure | |
| CN114876755A (en) | Spiral reciprocating single-action plunger pump | |
| CN206487603U (en) | The single amount progressive rotation type hydraulic unit driver of single plunger | |
| CN106704136A (en) | Single-plunger double-displacement reciprocating rotation hydraulic drive | |
| CN106286433B (en) | It is a kind of that there is the hydraulic transformer for swinging swash plate and rotating valve plate | |
| CN106594099A (en) | Rotatable reciprocating motion floating coupling knot | |
| CN209838611U (en) | Force balance two-dimensional plunger pump | |
| CN106762513A (en) | The single amount progressive rotation type hydraulic unit driver of single plunger | |
| CN106593801A (en) | Hydraulic pump reciprocating rotary type steel ball transmission mechanism | |
| CN206487784U (en) | Rotatable reciprocating floating shaft coupling knot | |
| CN207315586U (en) | A kind of two dimension piston oil transfer pump | |
| CN212898824U (en) | Miniature water hydraulic motor pump driven by roller carrier | |
| CN116428102A (en) | A shaft-controlled double-valve distribution radial plunger hydraulic device and its working method | |
| CN114483513A (en) | A single-piston servo variable pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220701 Address after: Room 301-112, building 1, No. 400, Fangchun Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 201203 Patentee after: SHANGHAI HENGTUO HYDRAULIC CONTROL TECHNOLOGY Co.,Ltd. Address before: Room 3101, No. 282, Lane 100, Zhongtan Road, Putuo District, Shanghai 200050 Patentee before: Huang Zeng |