CN109281813A - A kind of electric drive gear drive plunger pump - Google Patents
A kind of electric drive gear drive plunger pump Download PDFInfo
- Publication number
- CN109281813A CN109281813A CN201811252796.4A CN201811252796A CN109281813A CN 109281813 A CN109281813 A CN 109281813A CN 201811252796 A CN201811252796 A CN 201811252796A CN 109281813 A CN109281813 A CN 109281813A
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- CN
- China
- Prior art keywords
- plunger pump
- motor
- cavity
- driving wheel
- output shaft
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/075—Means for converting reciprocating motion into rotary motion or vice versa using crankshafts or eccentrics
Abstract
The invention discloses a kind of electric drive gear drive plunger pumps, including motor, few teeth difference reduction gearing mechanism and plunges pump body, the input terminal of the few teeth difference reduction gearing mechanism is connected with the output shaft of motor, and the output end eccentric rotary of the few teeth difference reduction gearing mechanism is simultaneously connected with the intracorporal plunger pump core of plunger pump to drive plunger pump core up and down reciprocatingly to move along a straight line in plunges pump body.It is such, motor, deceleration mechanism and the compound completion mechanical-electrical-hydraulic integration of plunges pump body are integrated, complementary superiority and inferiority, clever structure combination, reduce part, reduce cost, function is integrated, facilitate application, greatly expand application range field, compact-sized, small in size and position precision is high, ingenious realized using few teeth difference eccentric gearing driving plunger pump core is moved back and forth, save cumbersome output mechanism, the type selecting and development process of very big and professional shortening industry, particularly suitable vehicle, aircraft, robot small fixture etc..
Description
Technical field
The invention belongs to plunger pump field more particularly to a kind of electric drive gear drive plunger pumps.
Background technique
Plunger pump power drive currently on the market is mostly the production of motor, retarder and plunger pump ontology three separation
The assembly of product is combined, to Proper Match and each component of type selecting, the technical height needed, and it is connected with each other that link is more and technique
It is required that high, the exploitation type selecting period is long.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problems to be solved by the present invention are: how to provide a kind of electric drive
Gear drive plunger pump, highly integrated motor, retarder and plunger pump ontology realize Trinity plunger pump, develop type selecting
Period is short, particularly suitable vehicle, aircraft, robot small fixture etc..
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
A kind of electric drive gear drive plunger pump, including motor, few teeth difference reduction gearing mechanism and plunges pump body, the few teeth difference
The input terminal of reduction gearing mechanism is connected with the output shaft of motor, the output end eccentric rotary of the few teeth difference reduction gearing mechanism
And it is connected with the intracorporal plunger pump core of plunger pump to drive plunger pump core up and down reciprocatingly to move along a straight line in plunges pump body.
Such, motor, deceleration mechanism and the compound completion mechanical-electrical-hydraulic integration of plunges pump body are integrated, complementary superiority and inferiority, structure
Ingenious combination, reducing part reduces cost, and function is integrated, facilitates application, greatly expands application range field, compact-sized, body
The small and position precision of product is high, and ingenious realized using few teeth difference eccentric gearing driving plunger pump core is moved back and forth, and saves cumbersome defeated
Mechanism out, the type selecting and development process of very big and professional shortening industry, particularly suitable vehicle, aircraft, robot are small
Type fixture etc..
As optimization, a capacity eccentric bearing is fixedly installed on the output shaft of the motor, the outer ring of the capacity eccentric bearing is solid
Dingan County is equipped with external gear, and the external gear is also coaxially provided with driving wheel, the external gear and fixed installation far from one end of motor
Ring gear engagement on the motor output shaft end cap of motor output shaft side, the driving wheel is connected with plunger pump core, described
Capacity eccentric bearing, external gear, driving wheel and ring gear constitute the few teeth difference reduction gearing mechanism, the few teeth difference deceleration transmission machine
The input terminal of structure is motor output shaft, and output end is driving wheel.
Such, actuator of the output end, that is, driving wheel of few teeth difference reduction gearing mechanism as plunger pump simplifies structure
It reduces the link and improves reliability, the arrangement of plunges pump body and driving wheel reduces the centrifugal force and external gear and interior of external gear driving
The radial component of gear ring engagement, stable drive and buffering effect noise is small.
As optimization, the plunges pump body includes the plunger pump base with the first cavity, is sealingly mounted in the first cavity
And there is the plunger pump shell of the second cavity and slide up and down the spring pedestal set that the first cavity bottom is set, the plunger
Pump core, which slides up and down, to be arranged in the second cavity, and oil outlet is provided at the top of the second cavity, and plunger pump core upper end is empty with second
Chamber upper wall and the second cavity sidewalls surround to form pump oil room, and the corresponding plunger pump shell side wall in pump oil room and plunger pump base side wall are opened
There is the inlet port for oil suction of connection, plunger pump core lower end is fixed on spring pedestal and puts on, the spring pedestal set and plunger
Reset spring is connected between pump case or plunger pump base, spring pedestal set bottom surface is abutted against with driving wheel.
Such, using cylinder, oil suction and radial opening under reciprocating motion save an oil sucting valve, oil suction to plunger pump core
Internal resistance is small, and oil suction is abundant, high-efficient, and dead zone is small, and oil suction noise is small, simplifies structure, improves the reliability of plunger pump.
As optimization, the plunger pump base bottom is mounted on one and exports in Supporting cover in the retarder of semi-surrounding structure, institute
State retarder output Supporting cover and motor output shaft end cap and the closed appearance for forming receiving driving crop rotation eccentric rotary of plunger pump base
Receive chamber.
Such, setting retarder exports Supporting cover and is conducive to the component protection of few teeth difference reduction gearing mechanism,
And plunges pump body and motor and few teeth difference reduction gearing mechanism is made to constitute a device from the appearance, improve its integration.
As optimization, the through-hole that the output shaft of power supply machine passes through is offered on the axial direction of the driving wheel, it is described to subtract
The homoaxial bearing of output shaft with motor is fixedly mounted in fast device output Supporting cover, after the output shaft of the motor passes through through-hole
Its tail end is mounted in bearing.
It is such, the bearing in Supporting cover is exported by setting retarder, it is made to form two o'clock simply supported beam with capacity eccentric bearing
Support rotates the output shaft of motor without constraint.
As optimization, the driving wheel outer peripheral surface is arranged with the rolls set to shield, the outer peripheral surface of the rolls set
It is abutted against with spring pedestal set bottom surface.
Such, setting rolls set can protect driving wheel and spring pedestal set, improve the service life of the two.
As optimization, the spring pedestal set is the box like structure of upper end opening, and plunger pump core lower end is fixed on spring bottom
The inner bottom surface of cover for seat, plunger pump shell lower part outer wall are equipped with step surface, and one end of the reset spring is connected to spring pedestal set
Inner bottom surface, the other end is connected on step surface, and the gap stretched for reset spring is equipped in the plunger pump base.
Such, this structure makes reset spring have flexible space, reset spring and driving in plunger pump base
Wheel is with the use of the linear reciprocating motion to realize plunger pump core.
As optimization, the plunger pump core and the coaxial setting of reset spring, and plunger pump core lower part is plugged in reset bullet
In spring.
Such, setting facilitates installation reset spring in this way, and reset spring and the coaxial arrangement of plunger pump core facilitate plunger
Pump core is reciprocating.
As optimization, the delivery valve seat with fuel-displaced spool, plunger pump core upper end are installed at the top of second cavity
It surrounds to form pump oil room with delivery valve seat lower end and the second cavity sidewalls, the fuel-displaced spool is connected with oil outlet.
It is such, delivery valve seat is set and fuel-displaced spool is conducive to control the fuel-displaced of oil outlet, is protected when not fuel-displaced
Hold the indoor air-tight state of pump oil.
As optimization, the external gear and driving wheel are integrally formed；External gear interference is mounted on capacity eccentric bearing outer ring.
Such, external gear and driving wheel integrated molding can simplify manufacturing process, manufacture convenient for high-volume, external gear mistake
It is full of and is mounted on capacity eccentric bearing outer ring, structure is simple, and bearing capacity is high, can absorb impact load.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the embodiment of the present invention；
Fig. 2 is the diagrammatic cross-sectional view of plunges pump body pressure oil state in the embodiment of the present invention；
Fig. 3 is the diagrammatic cross-sectional view of plunges pump body oil suction state in the embodiment of the present invention；
Fig. 4 is the schematic diagram that ring gear is engaged with external gear in the embodiment of the present invention.
Specific embodiment
Below with reference to example attached drawing, the present invention is described in further detail.
When specific implementation: referring to Fig. 1 to Fig. 4, a kind of electric drive gear drive plunger pump, including motor 1, few teeth difference are slowed down
Transmission mechanism and plunges pump body, the input terminal of the few teeth difference reduction gearing mechanism is connected with the output shaft 2 of motor 1, described few
The output end eccentric rotary of tooth difference reduction gearing mechanism is simultaneously connected with the intracorporal plunger pump core 11 of plunger pump to drive plunger pump core
11 up and down reciprocatingly move along a straight line in plunges pump body.
Such, motor, deceleration mechanism and the compound completion mechanical-electrical-hydraulic integration of plunges pump body are integrated, complementary superiority and inferiority, structure
Ingenious combination reduces part, reduces cost, and function is integrated, facilitates application, greatly expands application range field, compact-sized, body
The small and position precision of product is high, and ingenious realized using few teeth difference eccentric gearing driving plunger pump core is moved back and forth, and saves cumbersome defeated
Mechanism out, the type selecting and development process of very big and professional shortening industry, particularly suitable vehicle, aircraft, robot are small
Type fixture etc..
As optimization, be fixedly installed with a capacity eccentric bearing 3 on the output shaft 2 of the motor 1, the capacity eccentric bearing 3 it is outer
Circle is fixedly installed with external gear 6, and the described one end of external gear 6 far from motor is also coaxially provided with driving wheel 15, the external gear 6 with
The ring gear 5 being fixedly mounted on the motor output shaft end cap 4 of 2 side of motor output shaft engages, the driving wheel 15 and plunger
Pump core 11 is connected, and the capacity eccentric bearing 3, external gear 6, driving wheel 15 and ring gear 5 constitute the few teeth difference reduction gearing mechanism,
The input terminal of the few teeth difference reduction gearing mechanism is motor output shaft 2, and output end is driving wheel 15.
Such, actuator of the output end, that is, driving wheel of few teeth difference reduction gearing mechanism as plunger pump simplifies structure
It reduces the link and improves reliability, the arrangement of plunges pump body and driving wheel reduces the centrifugal force and external gear and interior of external gear driving
The radial component of gear ring engagement, stable drive buffering effect noise are small.
As optimization, the plunges pump body includes the plunger pump base 9 with the first cavity, is sealingly mounted in the first cavity
And there is the plunger pump shell 12 of the second cavity and slide up and down the spring pedestal set 8 that the first cavity bottom is set, it is described
Plunger pump core 11, which slides up and down, to be arranged in the second cavity, oil outlet 16 is provided at the top of the second cavity, in plunger pump core 11
End is surrounded to form pump oil room with the second cavity upper wall and the second cavity sidewalls, the corresponding plunger pump shell side wall in pump oil room and plunger
Pump seat side wall is provided with the inlet port 17 for oil suction of connection, and 11 lower end of plunger pump core is fixed on spring pedestal set 8, the bullet
Be connected with reset spring 10 between spring base sheath 8 and plunger pump shell 12 or plunger pump base 9, the spring pedestal cover 8 bottom surfaces with
Driving wheel 15 abuts against.
Such, using cylinder, oil suction and radial opening under reciprocating motion save an oil sucting valve, oil suction to plunger pump core
Internal resistance is small, and oil suction is abundant, high-efficient, and dead zone is small, and oil suction noise is small, simplifies structure, improves the reliability of plunger pump.
As optimization, 9 bottom of plunger pump base is mounted on one and exports in Supporting cover 18 in the retarder of semi-surrounding structure,
The retarder output Supporting cover 18 and motor output shaft end cap 4 and the closed formation of plunger pump base 9 accommodate driving wheel 15 and make bias
The accommodating chamber of rotation.
Such, setting retarder exports Supporting cover and is conducive to the component protection of few teeth difference reduction gearing mechanism,
And plunges pump body and motor and few teeth difference reduction gearing mechanism is made to constitute a device from the appearance, improve its integration.
As optimization, the through-hole that the output shaft 2 of power supply machine passes through is offered on the axial direction of the driving wheel 15, it is described
Retarder exports the homoaxial bearing of output shaft being fixedly mounted in Supporting cover 18 with motor, and the output shaft 2 of the motor passes through
Its tail end is mounted in bearing after through-hole.
It is such, the bearing in Supporting cover is exported by setting retarder, it is made to form two o'clock simply supported beam with capacity eccentric bearing
Support rotates the output shaft of motor without constraint.
As optimization, 15 outer peripheral surface of driving wheel is arranged with the rolls set 7 to shield, the rolls set 7 it is outer
Circumferential surface covers 8 bottom surfaces with spring pedestal and abuts against.
Such, setting rolls set can protect driving wheel and spring pedestal set, improve the service life of the two.
As optimization, the spring pedestal set 8 is the box like structure of upper end opening, and 11 lower end of plunger pump core is fixed on spring
The inner bottom surface of base sheath 8,12 lower part outer wall of plunger pump shell are equipped with step surface, and one end of the reset spring 10 is connected to spring
The inner bottom surface of base sheath 8, the other end are connected on step surface, be equipped in the plunger pump base 9 for reset spring 10 it is flexible between
Gap.
Such, this structure makes reset spring have flexible space, reset spring and driving in plunger pump base
Wheel is with the use of the linear reciprocating motion to realize plunger pump core.
As optimization, the plunger pump core 11 and the coaxial setting of reset spring 10, and 11 lower part of plunger pump core is plugged in
In reset spring.
Such, setting facilitates installation reset spring in this way, and reset spring and the coaxial arrangement of plunger pump core facilitate plunger
Pump core is reciprocating.
As optimization, the delivery valve seat 13 with fuel-displaced spool 14, plunger pump core are installed at the top of second cavity
11 upper ends and 13 lower end of delivery valve seat and the second cavity sidewalls surround to form the pump oil room, the fuel-displaced spool 14 and oil outlet
16 are connected.
It is such, delivery valve seat is set and fuel-displaced spool is conducive to control the fuel-displaced of oil outlet, is protected when not fuel-displaced
Hold the indoor air-tight state of pump oil.
As optimization, the external gear 6 is integrally formed with driving wheel 15；6 interference of external gear is mounted on 3 outer ring of capacity eccentric bearing
On.
Such, external gear and driving wheel integrated molding can simplify manufacturing process, manufacture convenient for high-volume, external gear mistake
It is full of and is mounted on capacity eccentric bearing outer ring, structure is simple, and bearing capacity is high, can absorb impact load.
The motion principle of the electric drive gear drive plunger pump are as follows: motor driven output shaft 2 rotates, and external gear 6 is exporting
The driving of axis 2 and the lower eccentric autobiography for revolving and rotating backward moment amplification formed with output shaft of the counter-force effect of ring gear 5,
Deceleration, moment amplification function, one circle of the revolution of output shaft 2 rotation are formed, external gear 6 drives one circular pitch of rotation of driving wheel 15, utilizes
The eccentric output of external gear and driving wheel, drives rolls set to overcome the elastic force of reset spring 10 in the eccentricity maximum of its rotation
It presses plunger pump core and moves up to form high-pressure jack and output oil valve core 14, export high-voltage oil liquid, fall after rise and exist in external gear 6 and driving wheel 15
Eccentricity hour, reset spring drive plunger pump core 11 to reset oil suction, complete a pressure oil oil-absorbing process.
Claims (10)
1. a kind of electric drive gear drive plunger pump, it is characterised in that: including motor, few teeth difference reduction gearing mechanism and plunger pump
The input terminal of body, the few teeth difference reduction gearing mechanism is connected with the output shaft of motor, the few teeth difference reduction gearing mechanism
Output end eccentric rotary is simultaneously connected past up and down to drive plunger pump core to make in plunges pump body with the intracorporal plunger pump core of plunger pump
Linear motion.
2. a kind of electric drive gear drive plunger pump according to claim 1, it is characterised in that: the output shaft of the motor
On be fixedly installed with a capacity eccentric bearing, the outer ring of the capacity eccentric bearing is fixedly installed with external gear, and the external gear is far from motor
One end be also coaxially provided with driving wheel, the external gear and be fixedly mounted on the motor output shaft end cap of motor output shaft side
Ring gear engagement, the driving wheel is connected with plunger pump core, the capacity eccentric bearing, external gear, driving wheel and ring gear composition
The few teeth difference reduction gearing mechanism, the input terminal of the few teeth difference reduction gearing mechanism are motor output shaft, and output end is to drive
Driving wheel.
3. a kind of electric drive gear drive plunger pump according to claim 2, it is characterised in that: the plunges pump body includes
Plunger pump base with the first cavity is sealingly mounted in the first cavity and the plunger pump shell with the second cavity and up and down
It is slidably arranged in the spring pedestal set of the first cavity bottom, the plunger pump core, which slides up and down, to be arranged in the second cavity, and second
It is provided with oil outlet, plunger pump core upper end and the second cavity upper wall at the top of cavity and the second cavity sidewalls surround to form pump oil
Room, the corresponding plunger pump shell side wall in pump oil room and plunger pump base side wall are provided with the inlet port for oil suction of connection, plunger pump
Core lower end is fixed on spring pedestal and puts on, and is connected with reset bullet between the spring pedestal set and plunger pump shell or plunger pump base
Spring, spring pedestal set bottom surface are abutted against with driving wheel.
4. a kind of electric drive gear drive plunger pump according to claim 3, it is characterised in that: the plunger pump base bottom
One is mounted in the retarder output Supporting cover of semi-surrounding structure, the retarder exports Supporting cover and motor output shaft end cap
And the closed accommodating chamber for forming receiving driving crop rotation eccentric rotary of plunger pump base.
5. a kind of electric drive gear drive plunger pump according to claim 4, it is characterised in that: the axial direction of the driving wheel
The through-hole that the output shaft of power supply machine passes through is offered on direction, is fixedly mounted in the retarder output Supporting cover defeated with motor
The homoaxial bearing of shaft, its tail end is mounted in bearing after the output shaft of the motor passes through through-hole.
6. a kind of electric drive gear drive plunger pump according to claim 3, it is characterised in that: the driving wheel outer peripheral surface
It is arranged with the rolls set to shield, outer peripheral surface and the spring pedestal set bottom surface of the rolls set abut against.
7. a kind of electric drive gear drive plunger pump according to claim 3, it is characterised in that: the spring pedestal set is
The box like structure of upper end opening, plunger pump core lower end are fixed on the inner bottom surface of spring pedestal set, and plunger pump shell lower part outer wall is set
There is step surface, one end of the reset spring is connected to the inner bottom surface of spring pedestal set, and the other end is connected on step surface, described
The gap stretched for reset spring is equipped in plunger pump base.
8. a kind of electric drive gear drive plunger pump according to claim 7, it is characterised in that: the plunger pump core and multiple
The position coaxial setting of spring, and plunger pump core lower part is plugged in reset spring.
9. a kind of electric drive gear drive plunger pump according to claim 3, it is characterised in that: the top of second cavity
Portion is equipped with the delivery valve seat with fuel-displaced spool, plunger pump core upper end and delivery valve seat lower end and the second cavity sidewalls surround shape
At the pump oil room, the fuel-displaced spool is connected with oil outlet.
10. a kind of electric drive gear drive plunger pump according to claim 2, it is characterised in that: the external gear and drive
Driving wheel is integrally formed；External gear interference is mounted on capacity eccentric bearing outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811252796.4A CN109281813B (en) | 2018-10-25 | 2018-10-25 | Electrically driven gear transmission plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811252796.4A CN109281813B (en) | 2018-10-25 | 2018-10-25 | Electrically driven gear transmission plunger pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109281813A true CN109281813A (en) | 2019-01-29 |
| CN109281813B CN109281813B (en) | 2023-10-20 |
Family
ID=65178457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811252796.4A Active CN109281813B (en) | 2018-10-25 | 2018-10-25 | Electrically driven gear transmission plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109281813B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI759148B (en) * | 2020-04-22 | 2022-03-21 | 易碼電控股份有限公司 | Motor unit and motor-driven device for anti-lock braking system |
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| CN208858504U (en) * | 2018-10-25 | 2019-05-14 | 温州市基安机械有限公司 | A kind of integrated plunger pump of decelerating through motor |
| WO2022134897A1 (en) * | 2020-12-24 | 2022-06-30 | 绿田机械股份有限公司 | Power output apparatus for high-pressure cleaning machine |
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2018
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| CN202441677U (en) * | 2011-12-29 | 2012-09-19 | 济南大学 | Minisize electromagnetic pulse-type hydraulic driving system |
| CN103388638A (en) * | 2012-05-11 | 2013-11-13 | 株式会社万都 | Electronic disc brake |
| CN203362428U (en) * | 2013-06-09 | 2013-12-25 | 韩竞飞 | Single-eccentric-shaft single-plunger double-cylinder high-pressure pump |
| CN108533471A (en) * | 2017-03-03 | 2018-09-14 | 苏州宝时得电动工具有限公司 | Handheld high-voltage cleaning machine |
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| TWI759148B (en) * | 2020-04-22 | 2022-03-21 | 易碼電控股份有限公司 | Motor unit and motor-driven device for anti-lock braking system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109281813B (en) | 2023-10-20 |
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