CN104632571B - Valve matches somebody with somebody formula binary channels piston valving pump - Google Patents
Valve matches somebody with somebody formula binary channels piston valving pump Download PDFInfo
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- CN104632571B CN104632571B CN201410849252.1A CN201410849252A CN104632571B CN 104632571 B CN104632571 B CN 104632571B CN 201410849252 A CN201410849252 A CN 201410849252A CN 104632571 B CN104632571 B CN 104632571B
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- way clutch
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Abstract
Match somebody with somebody formula binary channels piston valving pump, including casing, pump shaft, transmission mechanism, the first pump group and the second pump group the invention discloses a kind of valve；The transmission mechanism includes being connected to the first transmission body for being used to drive the first pump group to work of pump shaft by the first one-way clutch and the second transmission body for being used to drive the second pump group to work of pump shaft is connected to by the second one-way clutch；First one-way clutch and the second one-way clutch transmission direction are opposite, the valve of the present invention matches somebody with somebody formula binary channels piston valving pump, its pump shaft drives two groups of pump groups to work by two opposite one-way clutch of transmission direction, can be that two strands of pressure oils are independently exported by the forward and reverse translating rotation of motor, realize the action of bidirectional ram pump oil, volumetric efficiency is high, does not have " pocketed oil " phenomenon, can under relatively low rotating speed pump oil.
Description
Technical field
Match somebody with somebody formula binary channels piston valving pump the present invention relates to a kind of two-way pump, more particularly to a kind of valve.
Background technology
Since hydraulic technique is formed and progressively develops into of today 100 for many years, basically form with gear pump, blade
Pump, plunger pump are as the matured product series that mechanical energy is converted into hydraulic energy, and Hydraulic Industry this " carriage drawn by a team of three horses " runs neck and neck,
The characteristics of respectively having respective.In the 1990s, due to the engineering circles demand integrated to hydraulic system, generating a kind of two-way
Gear pump, its feature is：Pump shaft rotating can realize the mutual switching of oil inlet and outlet, can under the auxiliary of peripheral flat valve
The solenoid directional control valve in conventional oil cylinder reversing hydraulic system is directly saved, and stretching for oil cylinder is directly realized by motor forward and backward
Go out and retract action, so, control becomes simple, can use the explosion-proof link of electric eliminating magnet valve.But it is due to that two-way flow is close
Let out big in the problem of envelope and " pocketed oil ", conventional gear pumps, volumetric efficiency is low, and the unstable birth defect of low speed is in double-direction gearpump
On be further enlarged, the control accuracy of modern integrated " pump control type " hydraulic positioning system is often very low, or even has " mistake
The phenomenon of punching " occurs, and double-direction gearpump can not play the remarkable speed adjusting performance of the matched elaborate servo motor used.
The content of the invention
In view of this, formula binary channels piston valving pump is matched somebody with somebody it is an object of the invention to provide a kind of valve, can be by motor
Forward and reverse translating rotation is that two strands of pressure oils are independently exported, and realizes two-way pump oil action, and volumetric efficiency is high, does not have " tired
Oil " phenomenon, can under relatively low rotating speed pump oil.
The valve of the present invention matches somebody with somebody formula binary channels piston valving pump, including casing, pump shaft, transmission mechanism, the first pump group and second
Pump group；The transmission mechanism includes being connected to be used to drive the first pump group to work the first of pump shaft by the first one-way clutch
Transmission body and the second transmission body for being used to drive the second pump group to work that pump shaft is connected to by the second one-way clutch；Described
One one-way clutch and the second one-way clutch transmission direction are opposite；
Further, the casing be provided with the first flow of the outlet of the first pump group, be communicated in first flow
First pump discharge, the second flow channel with the outlet of the second pump group and the second pump discharge for being communicated in second flow channel；
Further, the import of first pump group and the second pump group is communicated in the inner chamber of casing, casing be provided with it is interior
The pump intake of chamber connection；
Further, first transmission body and the second transmission body are each via the bearing single-degree-of-freedom being coaxially disposed with pump shaft
It is rotationally connected with casing；
Further, first pump group and the second pump group are made up of multiple plunger pumps respectively；First transmission body includes
First eccentric adjusting sleeve；Second transmission body includes the second eccentric adjusting sleeve；The pump shaft is rotationally connected with by bearing single-degree-of-freedom
The endoporus of one eccentric adjusting sleeve and the second eccentric adjusting sleeve；First one-way clutch and the second one-way clutch are connected to outside pump shaft
It is round between corresponding first eccentric adjusting sleeve and the second eccentric adjusting sleeve endoporus；
Further, first transmission body also includes being installed on the first cylindrical drive bearing of the first eccentric adjusting sleeve；Second
Transmission body is also held including being installed on the cylindrical second driving shaft of the second eccentric adjusting sleeve；Each plunger radial of first pump group is supported in
The outer ring of first drive bearing；Each plunger radial of second pump group is supported in the outer ring that second driving shaft is held；
Further, the casing includes the housing of tubular and is sealingly fastened in two end caps at housing two ends；The housing
Inside is fixed with for being that each plunger pump and the split bearing being connected between the first transmission body, the second transmission body and casing are carried
For the middle frame of mounting surface；
Further, setting circle pin is provided between end cap and each plunger pump of corresponding end cap side；Each plunger pump
At least partially embedded corresponding end cap of Outlet check valves seat in；It is connected by screw between two end cap and each plunger pump is fixedly clamped
Between corresponding end cap and middle frame；
Further, fit clearance is formed between the plunger and plunger mat of the plunger pump with the hard sealing means for quenching grinding
Plunger pair less than 0.005mm.
The beneficial effects of the invention are as follows：The valve of the present invention matches somebody with somebody formula binary channels piston valving pump, and its pump shaft passes through transmission direction
Two opposite one-way clutch drive two groups of pump group work, can be two bursts of pressures by the forward and reverse translating rotation of motor
The independent output of power oil, realizes two-way pump oil action, and volumetric efficiency is high, does not have " pocketed oil " phenomenon, can under relatively low rotating speed pump
Oil.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is Fig. 1 A-A sectional views.
Embodiment
Fig. 1 is structural representation of the invention；Fig. 2 is Fig. 1 A-A sectional views, as shown in the figure：The valve of the present embodiment matches somebody with somebody formula
Binary channels piston valving pump, including casing, pump shaft 1, transmission mechanism, the first pump group 2 and the second pump group 3；The transmission mechanism bag
Include and the first transmission body for being used to drive the first pump group 2 to work of pump shaft 1 is connected to and by second by the first one-way clutch 4
One-way clutch 5 is connected to the second transmission body for being used to drive the work of the second pump group 3 of pump shaft 1；First one-way clutch 4
With the transmission direction of the second one-way clutch 5 on the contrary, passing through the first one-way clutch 4 and the transmission direction phase of the second one-way clutch 5
Anti- setting, can drive the secondary part of different one-way clutch to rotate respectively when pump shaft 1 is rotated and reverse, and then will drive
The forward and reverse translating rotation of dynamic motor independently exports for two strands of pressure oils, realizes two-way pump oil action, and volumetric efficiency is high,
There is no " pocketed oil " phenomenon, can under relatively low rotating speed pump oil.
In the present embodiment, the casing be provided with the first flow 6 of the outlet of the first pump group 2, be communicated in first
First pump discharge 7 of runner 6, the second flow channel 8 with the outlet of the second pump group 3 and the second pump for being communicated in second flow channel 8
Outlet 9, first flow 6 and second flow channel 8 are inside box body wall and separate, construct a kind of fuel-displaced with 2
The oil pump structure of mouth, can save the solenoid directional control valve in conventional oil cylinder reversing hydraulic system, and it is real directly to pass through motor forward and backward
The stretching of existing oil cylinder and action is retracted, control is become simple, can use the explosion-proof link of electric eliminating magnet valve, simplify structure, reduction event
Barrier rate, it is cost-effective.
In the present embodiment, the import of the pump group 3 of the first pump group 2 and second, which is communicated on the inner chamber of casing, casing, to be set
There is the pump intake connected with inner chamber, fluid is used by pump intake into cabinets cavity for the first pump group 2 and the second pump group 3, build
A kind of 1 oil inlet, the oil pump structure of 2 oil-outs realizes two-way pump oil action.
In the present embodiment, first transmission body and the second transmission body are each via the bearing list being coaxially disposed with pump shaft 1
The free degree is rotationally connected with casing, and unique radial load unloading structure, the first transmission body and the second transmission body are made by radially anti-
Directly it can be delivered to when firmly by bearing on casing, therefore pump shaft 1 and one-way clutch need not bear radial load, only transmission is turned round
Square, transmission efficiency is greatly promoted, and structural stability is good, and fault rate is low.
In the present embodiment, the pump group 3 of the first pump group 2 and second is made up of multiple plunger pumps respectively；First transmission
Body includes the first eccentric adjusting sleeve 10；Second transmission body includes the second eccentric adjusting sleeve 11；The pump shaft 1 is turned by bearing single-degree-of-freedom
The dynamic endoporus for being connected to the first eccentric adjusting sleeve 10 and the second eccentric adjusting sleeve 11；First one-way clutch 4 and second it is unidirectional from
Clutch 5 is connected to that pump shaft 1 is cylindrical between the corresponding endoporus of first eccentric adjusting sleeve, 10 and second eccentric adjusting sleeve 11, and plunger pump enters
Mouth and outlet are respectively provided with a check valve, fluid is entered by the import of plunger pump in plunger mat and going out by plunger pump
Mouth discharge, is provided with back-moving spring 12 between the plunger and plunger mat of plunger pump, back-moving spring 12 is placed on outside plunger, plunger outer end
Provided with the spring pressure pad 13 for supporting the one end of back-moving spring 12, plunger mat outer wall is step surface structure and supported by its shoulder
The other end of back-moving spring 12, Electric-motor driven pumps axle 1 rotates, pump shaft 1 by 2 one-way clutch respectively with 2 eccentric adjusting sleeves
Drive connection is formed, eccentric adjusting sleeve is cylindrical to fit with some plunger pumps with Self-resetting spring 12, when suitable/counterclockwise rotation of pump shaft 1
When turning, it two eccentric adjusting sleeves will be driven up and down respectively by one-way clutch, and form the shunting of one-way movement, work as eccentric adjusting sleeve
During rotation, plunger pump just forms reciprocal pump oil action, and the hydraulic oil pumped out by each pump group meets at one by corresponding runner
Rise, exported finally by corresponding pump discharge.
In the present embodiment, first transmission body also includes being installed on the first cylindrical drive bearing of the first eccentric adjusting sleeve 10
14；Second transmission body also holds 15 including being installed on the cylindrical second driving shaft of the second eccentric adjusting sleeve 11；Each post of first pump group 2
Radial support is filled in the outer ring of the first drive bearing 14；Each plunger radial of second pump group 3 is supported in second driving shaft and holds 15
Outer ring, weaken between the first transmission body and the first pump group 2 and the rubbing action between the second transmission body and the second pump group 3,
Frictional dissipation is reduced, is increased the service life, reduces and the resistance caused is rotated to pump shaft 1, the energy is saved.
In the present embodiment, the casing includes the housing 16 of tubular and is sealingly fastened in two end caps at the two ends of housing 16
17；Be fixed with inside the housing 16 for for each plunger pump and be connected to the first transmission body, the second transmission body and casing it
Between split bearing the middle frame 18 of mounting surface is provided, the axial two ends of each eccentric adjusting sleeve stretch out to be formed for installing respectively
Bearing makes corresponding eccentric adjusting sleeve rotate the axle sleeve being connected with casing single-degree-of-freedom, is set in the axle of the opposite side of two eccentric adjusting sleeves
Two bearings of set are installed on the end cap 17 of corresponding side, are set in two bearings of the axle sleeve of the relative side of two eccentric adjusting sleeves
It is mounted on middle frame 18, two eccentric adjusting sleeves are each mounted on two axle sleeves of both sides for by the axle on corresponding axle sleeve
Hold the spacer ring 19 separated with the cylindrical bearing of eccentric adjusting sleeve；Middle frame 18 is integrally formed with housing 16, manufacture, it is easy to assembly, be
The installation positioning of each plunger pump and eccentric adjusting sleeve provides reliable mounting structure, while greatly improving the knot of housing 16
Structure intensity.
In the present embodiment, setting circle pin is provided between each plunger pump of end cap 17 and the corresponding side of end cap 17
20；In at least partially embedded corresponding end cap 17 of Outlet check valves seat of each plunger pump；Be connected by screw between two end cap 17 by
Each plunger pump is fixedly clamped between corresponding end cap 17 and middle frame 18；Each plunger pump passes through corresponding straight pin 20 and check valve
Seat positioning, screw pre-pressing, end cap 17 and housing 16 are finally compressed, and plunger pump positioning is very firm.
In the present embodiment, coordinated between the plunger and plunger mat of the plunger pump with the hard sealing means formation for quenching grinding
Gap be less than 0.005mm plunger pair, reduce in lets out, volumetric efficiency height, there is no " pocketed oil " phenomenon, can under extremely low rotating speed pump
Oil, pump oil pressure can reach 60Mpa.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to skill of the invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (7)
1. a kind of valve matches somebody with somebody formula binary channels piston valving pump, it is characterised in that：Including casing, pump shaft, transmission mechanism, the first pump group and
Second pump group；The transmission mechanism include by the first one-way clutch be connected to pump shaft be used for drive the first pump group work
First transmission body and the second transmission body for being used to drive the second pump group to work that pump shaft is connected to by the second one-way clutch；Institute
State the first one-way clutch and the second one-way clutch transmission direction is opposite；The outlet that the casing is provided with the first pump group connects
Logical first flow, the first pump discharge for being communicated in first flow, the second flow channel with the outlet of the second pump group and connect
In the second pump discharge of second flow channel；The import of first pump group and the second pump group is communicated on the inner chamber of casing, casing
Provided with the pump intake connected with inner chamber.
2. valve according to claim 1 matches somebody with somebody formula binary channels piston valving pump, it is characterised in that：First transmission body and
Two transmission bodies are rotationally connected with casing each via the bearing single-degree-of-freedom being coaxially disposed with pump shaft.
3. valve according to claim 2 matches somebody with somebody formula binary channels piston valving pump, it is characterised in that：First pump group and second
Pump group is made up of multiple plunger pumps respectively；First transmission body includes the first eccentric adjusting sleeve；It is inclined that second transmission body includes second
Heart sleeve；The pump shaft is rotationally connected with the endoporus of the first eccentric adjusting sleeve and the second eccentric adjusting sleeve by bearing single-degree-of-freedom；Institute
State the first one-way clutch and the second one-way clutch to be connected to pump shaft cylindrical eccentric with corresponding first eccentric adjusting sleeve and second
Between hub internal bore.
4. valve according to claim 3 matches somebody with somebody formula binary channels piston valving pump, it is characterised in that：First transmission body is also wrapped
Include and be installed on the first cylindrical drive bearing of the first eccentric adjusting sleeve；Second transmission body is also cylindrical including being installed on the second eccentric adjusting sleeve
Second driving shaft hold；Each plunger radial of first pump group is supported in the outer ring of the first drive bearing；Second pump group each
Plunger radial is supported in the outer ring that second driving shaft is held.
5. valve according to claim 4 matches somebody with somebody formula binary channels piston valving pump, it is characterised in that：The casing includes tubular
Housing and two end caps for being sealingly fastened in housing two ends；The enclosure interior is fixed with for being each plunger pump and being connected to
Split bearing between first transmission body, the second transmission body and casing provides the middle frame of mounting surface.
6. valve according to claim 5 matches somebody with somebody formula binary channels piston valving pump, it is characterised in that：End cap and corresponding end cap place
Setting circle pin is provided between each plunger pump of side；At least partially embedded corresponding end cap of Outlet check valves seat of each plunger pump
It is interior；It is connected by screw between two end cap and each plunger pump is fixedly clamped between corresponding end cap and middle frame.
7. valve according to claim 6 matches somebody with somebody formula binary channels piston valving pump, it is characterised in that：The plunger of the plunger pump with
Between plunger mat the plunger pair that fit clearance is less than 0.005mm is formed to quench the hard sealing means of grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410849252.1A CN104632571B (en) | 2014-12-31 | 2014-12-31 | Valve matches somebody with somebody formula binary channels piston valving pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410849252.1A CN104632571B (en) | 2014-12-31 | 2014-12-31 | Valve matches somebody with somebody formula binary channels piston valving pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104632571A CN104632571A (en) | 2015-05-20 |
| CN104632571B true CN104632571B (en) | 2017-08-11 |
Family
ID=53211699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410849252.1A Active CN104632571B (en) | 2014-12-31 | 2014-12-31 | Valve matches somebody with somebody formula binary channels piston valving pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104632571B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207054B (en) * | 2020-02-22 | 2021-07-30 | 邵立坤 | Air compressor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1038140B (en) * | 1975-05-15 | 1979-11-20 | Dropsa Spa | DEVICE WITH SINGLE DRIVE MOTOR PARTICULARLY FOR POWERING SYSTEMS WITH DOUBLE LINE CONVEYING FLUIDS |
| DE3833484A1 (en) * | 1988-10-01 | 1990-04-05 | Asea Brown Boveri | Drive device for an electrical switching apparatus |
| JPH0742934B2 (en) * | 1991-03-15 | 1995-05-15 | サヌキ工業株式会社 | Double Plunger Pump |
| CN2641313Y (en) * | 2003-09-18 | 2004-09-15 | 郑州磨料磨具磨削研究所 | Super high pressure oil pump |
| CN2672321Y (en) * | 2003-11-28 | 2005-01-19 | 天津市精研工程机械传动有限公司 | Super high pressure radial plunger pump without outer casing |
| CN101725496B (en) * | 2009-12-28 | 2012-08-22 | 镇江宝城注浆设备有限公司 | Synchronous injection pump with stepless proportioning |
| CN201953641U (en) * | 2011-01-20 | 2011-08-31 | 郑州磨料磨具磨削研究所 | Ultrahigh pressure oil pump increased in discharge volume |
| CN102155367B (en) * | 2011-03-11 | 2013-04-17 | 西安交通大学 | Fully-balanced type double-row radial plunger pump |
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2014
- 2014-12-31 CN CN201410849252.1A patent/CN104632571B/en active Active
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| CN104632571A (en) | 2015-05-20 |
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