CN206487603U - The single amount progressive rotation type hydraulic unit driver of single plunger - Google Patents
The single amount progressive rotation type hydraulic unit driver of single plunger Download PDFInfo
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- CN206487603U CN206487603U CN201720048944.5U CN201720048944U CN206487603U CN 206487603 U CN206487603 U CN 206487603U CN 201720048944 U CN201720048944 U CN 201720048944U CN 206487603 U CN206487603 U CN 206487603U
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Abstract
The utility model is related to a kind of single amount progressive rotation type hydraulic unit driver of single plunger, it is arranged on using inserting mode in the pump housing, the motor of the hydraulic unit driver passes through flange connection rotating shaft, pass through steel ball with high precision floating connection between rotating shaft and pump core, the torque for exporting motor passes to pump core by rotating shaft, the face of cylinder of pump core is provided with semi-circular grooves, it is connected between pump block and pump core by the steel ball in the semi-circular grooves of pump core and the sphere of pump block, the right-hand member center of pump core is provided with blind hole, several oil suction grooves connected with blind hole are provided with the right-hand member face of cylinder d of pump core, blind hole and pump block and the pump housing constitute the closing cavity volume of pump；Pump core rotates in pump block makes the oil suction groove of pump core replace break-make with the oil-sucking hole of pump block, make the volume that axially reciprocating alternate change closes cavity volume along the semi-circular grooves of pump core simultaneously, the inlet port S oil suction and an oil-out P oil extraction from the pump housing are realized, single amount 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.
The content of the invention
The utility model is to provide for a kind of single amount progressive rotation type hydraulic unit driver of single plunger, 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 amount progressive rotation type hydraulic pressure of single plunger
Driver, is arranged in the pump housing using inserting mode, and the hydraulic unit driver has pump block, rotating shaft, pump core, a motor, described
Motor is by flange connection rotating shaft, by steel ball with high precision floating connection between rotating shaft and pump core, leads to the torque that motor is exported
Cross rotating shaft and pass to pump core, the face of cylinder of pump core is provided with semi-circular grooves, passes through the semicircle of pump core between pump block and pump core
Steel ball in the sphere of groove and pump block is connected, and the right-hand member center of pump core, which is provided with blind hole, the right-hand member face of cylinder d of pump core, to be set
Several oil suction grooves connected with blind hole are equipped with, the blind hole and pump block and the pump housing constitute the closing cavity volume of pump；The pump
Core rotates in pump block makes the oil suction groove of pump core replace break-make with the oil-sucking hole of pump block, while making axle along the semi-circular grooves of pump core
To the volume for moving back and forth alternate change closing cavity volume, an inlet port S oil suction from the pump housing and an oil-out P row are realized
Oil, forms single amount output.
The pump block is made up of left pump block and right pump block, and several are equipped with the left pump block and right pump block is used to install
Steel ball/sphere, the logical hydraulic fluid port of steel ball lubrication, the circumference side of right pump block are respectively arranged on the left pump block and right pump block
Oil-sucking hole is set up.
The floating shaft coupling knot includes the key in keyway, spindle keyway, steel ball with high precision in pump core, the pump core
Steel ball with high precision is installed in groove, and is connected with spindle keyway, pump core can be made to realize reciprocal fortune while rotation
It is dynamic, and transmit motor output torque.
The radial shape track S of the semi-circular grooves=, wherein A is the amplitude of displacement, and n is pump
Stroke quantity, n=2 or 4 or 8, the t angle that oneself turns over for pump, i.e., 0 ~ 360 ° change；Or be circular arc line or be second-degree parabola.
The motor is servomotor or high-speed electric expreess locomotive, and flow and direction are realized by the rotating speed and direction that change motor
Change.
The beneficial effects of the utility model are：
1. the hydraulic unit driver has volume change chamber, an inlet port, an oil discharge outlet, by the reciprocal of pump core and
Single amount flow output is realized in rotary motion.
2. small volume, unit power is lightweight, existing hydraulic pump is broken through in Aero-Space and Special use occasion
Using limitation.
3. with invertibity, the change in flow or direction can be easily realized by the rotating speed and direction for changing motor.
4. 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.
5th, 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.
6th, floating shaft coupling junction structure is employed, traditional shaft coupling between motor and pump, compact conformation, transmission essence is eliminated
Du Genggao.
7. hydraulic unit driver is designed using plug-in mounting structure, Highgrade integration and the lightweight of hydraulic system are easy to implement.
8. 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 the overall sectional view of the single amount progressive rotation type hydraulic unit driver of single plunger of the present utility model；
Fig. 2 is left pump block structural upright schematic diagram；
Fig. 3 is right 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 pivot 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, the single amount progressive rotation type hydraulic unit driver of a kind of single plunger, including pump block, rotating shaft 1, height
Precision steel ball 2, pump core 4, steel ball 5, motor 7.
Pump block is made up of left pump block 3 and right pump block 6, and motor 7 is led to by flange connection rotating shaft 1 between rotating shaft 1 and pump core 4
The floating connection of steel ball with high precision 2 is crossed, the torque for exporting motor 7 is passed to by rotating shaft 1 to be set on pump core 4, the face of cylinder of pump core 4
There are semi-circular grooves 13, coordinated between pump block and pump core 4 by the semi-circular grooves 13 of pump core with the steel ball 5 in the sphere of pump block
Connection, the right-hand member center of pump core 4 be provided be provided with blind hole 12, the right-hand member face of cylinder d of pump core 4 with blind hole 12 connect it is some
Individual oil suction groove 14, the blind hole 12 and pump block and the pump housing constitute the closing cavity volume of pump；Pump core 4 rotates in pump block makes pump core 4
Oil suction groove 14 replace break-make with the oil-sucking hole of pump block, while making axially reciprocating alternating along the semi-circular grooves 13 of pump core 4
Change the volume of closing cavity volume, realize an inlet port S oil suction and an oil-out P oil extraction from the pump housing, form single amount defeated
Go out.
The specific attachment structure of the single amount progressive rotation type hydraulic unit driver of single plunger is as follows：
（1）Motor 7 is attached by rotating shaft 1 with flange arrangement.Height is installed between left end between rotating shaft 1 and pump core 4
Precision steel ball 2, forms floating shaft coupling knot, and rotating shaft 1 drives pump core 4 to rotate by steel ball 2.Pump core 4 is used with left pump block 3, right pump block 6
Steel ball with high precision 5 is attached.Hydraulic unit driver is arranged in the pump housing using inserting mode（Dotted line position shown in Fig. 1）, left pump
Sealed between set 3, right pump block 6 and the pump housing with seal.See Fig. 1.
（2）Pump block is made up of left pump block 3 and right pump block 6.Each sphere 8 of the pump block provided with several high accuracy 1/4, is used
In installation steel ball 5.Logical hydraulic fluid port 9 is respectively arranged with left pump block 3 and right pump block 6, for being lubricated, simultaneously to steel ball with high precision 5
Make pump core 4 not by extra additional hydraulic power.N oil-sucking hole 10, n=2,4,8 are provided with the right circumferencial direction of pump block 6.See Fig. 2
And 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 semicircle of 4 installation steel ball with high precision 2
Shape keyway 11.The right-hand member center of pump core is provided with blind hole 12, and blind hole 12 and right pump block 6, the pump housing constitute the closing cavity volume of pump, and from pump
The oil-out P of body carries out the oil extraction of pump.
（6）Semi-circular grooves 13 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 6
Close, for installing steel ball 5.The radial shape track S of the groove of semi-circular grooves 12=, 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 7 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 basis
Need to be configured, or circular curve or second-degree parabola.
（7）The n oil suction groove 14 connected with blind hole 12, n=2,4,8 are provided with the right-hand member face of cylinder d of pump core 4.Pump core
During 4 rotation, when the oil suction groove 13 of pump core 4 is connected with the oil-sucking hole 10 of pump block 6, pump is in oil suction state, when the suction with pump block 6
When hydraulic fluid port 10 is disconnected, oil extraction is carried out from the oil-out P of body.
（8）Floating shaft coupling knot：One shaft end of pump core 4 is provided with uniform keyway 11, sees Fig. 4, and 5,6, height is installed in keyway
Precision steel ball 2, after coordinating with the keyway 15 of rotating shaft 1（Fig. 7）, motor output torque can be transmitted while driving pump core 4 to rotate,
And slided with the reciprocating motion of pump core 4.
（9）Pump core 4 rotates the suction for making pump, oil extraction and alternately switched, while between pump core 4 and pump block in the presence of steel ball mechanism
Pump core 4 makees axially reciprocating, and the volume of alternate change oil pocket realizes the oily function of suction.
Claims (5)
1. a kind of single amount progressive rotation type hydraulic unit driver of single plunger, is arranged in the pump housing, the hydraulic pressure drives using inserting mode
Dynamic utensil has a pump block, rotating shaft (1), pump core (4), motor (7), it is characterised in that：The motor (7) is turned by flange connection
Axle (1), by steel ball with high precision (2) floating connection between rotating shaft (1) and pump core (4), makes the torque that motor (7) is exported by turning
Axle (1) passes to pump core (4), and the face of cylinder of pump core (4) is provided with semi-circular grooves (13), passed through between pump block and pump core (4)
The semi-circular grooves (13) of pump core are connected with the steel ball (5) in the sphere of pump block, and the right-hand member center of pump core (4) is provided with blind hole
(12) several oil suction grooves (14), the blind hole connected with blind hole (12), are provided with the right-hand member face of cylinder d of pump core (4)
And pump block and the pump housing constitute the closing cavity volume of pump (12)；The pump core (4) rotates in pump block makes the oil suction groove of pump core (4)
(14) replace break-make with the oil-sucking hole of pump block, alternately change while making axially reciprocating along the semi-circular grooves (13) of pump core (4)
Become the volume of closing cavity volume, realize an inlet port S oil suction and an oil-out P oil extraction from the pump housing, form single amount output.
2. the single amount progressive rotation type hydraulic unit driver of single plunger according to claim 1, it is characterised in that：The pump block
It is made up of left pump block (3) and right pump block (6), several are equipped with the left pump block (3) and right pump block (6) is used to install steel ball
(5) the logical hydraulic fluid port of steel ball (5) lubrication is respectively arranged on 1/4 sphere (8), the left pump block (3) and right pump block (6)
(9), it is provided with oil-sucking hole (10) on the circumferencial direction of right pump block (6).
3. the single amount progressive rotation type hydraulic unit driver of single plunger according to claim 1, it is characterised in that：
The floating shaft coupling knot includes the keyway (11) in pump core (4), the keyway in rotating shaft (1)（15）, steel ball with high precision（2）,
Steel ball with high precision is installed in keyway (11) on the pump core (4)（2）, and with the keyway in rotating shaft (1)（15）It is connected,
Pump core can be made（4）Realize and move back and forth while rotation, and transmit motor output torque.
4. the single amount progressive rotation type hydraulic unit driver of single plunger according to claim 1, it is characterised in that：
The radial shape track of the semi-circular grooves (13) be S=, wherein A is the amplitude of displacement, and n is pump
Stroke quantity, n=2 or 4 or 8；T is the angle that pump is turned over certainly, i.e., 0 ~ 360 ° change；Or be circular curve or be secondary parabolic
Line.
5. the single amount progressive rotation type hydraulic unit driver of single plunger according to claim 1, it is characterised in that：
The motor (7) is servomotor or high-speed electric expreess locomotive.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720048944.5U CN206487603U (en) | 2017-01-16 | 2017-01-16 | The single amount progressive rotation type hydraulic unit driver of single plunger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720048944.5U CN206487603U (en) | 2017-01-16 | 2017-01-16 | The single amount progressive rotation type hydraulic unit driver of single plunger |
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| Publication Number | Publication Date |
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| CN206487603U true CN206487603U (en) | 2017-09-12 |
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| CN201720048944.5U Active CN206487603U (en) | 2017-01-16 | 2017-01-16 | The single amount progressive rotation type hydraulic unit driver of single plunger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762513A (en) * | 2017-01-16 | 2017-05-31 | 黄增 | The single amount progressive rotation type hydraulic unit driver of single plunger |
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2017
- 2017-01-16 CN CN201720048944.5U patent/CN206487603U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762513A (en) * | 2017-01-16 | 2017-05-31 | 黄增 | The single amount progressive rotation type hydraulic unit driver of single plunger |
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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: 20220712 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 |