CN106015200A - Plunger-type compact hydraulic pump station - Google Patents
Plunger-type compact hydraulic pump station Download PDFInfo
- Publication number
- CN106015200A CN106015200A CN201610547826.9A CN201610547826A CN106015200A CN 106015200 A CN106015200 A CN 106015200A CN 201610547826 A CN201610547826 A CN 201610547826A CN 106015200 A CN106015200 A CN 106015200A
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- CN
- China
- Prior art keywords
- oil
- plunger
- pressure
- motor
- compact hydraulic
- 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
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
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- Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention relates to a plunger-type compact hydraulic pump station. The plunger-type compact hydraulic pump station comprises an oil-immersed motor and a plunger pump which are arranged in an oil tank with end caps, wherein an oil distribution board is also arranged in the oil tank; the plunger pump is a high-pressure radial plunger pump consisting of three or more plunger pairs; the plunger pairs and the oil distribution board are fixed on the motor; the motor shaft of the oil-immersed motor adopts an eccentric design, and when rotating, the motor drives the plunger pairs to do reciprocating motion to realize oil suction and discharge; the oil distribution board is provided with pressure oil inlets of which the number is equal to that of the plunger pairs, and the pressure oil inlets are converged to a pressure oil outlet through an internal channel of the oil distribution board; the oil distribution board is connected to a base; a pressure oil inlet in the base is correspondingly communicated with the pressure oil outlet of the oil distribution board; and a pressure oil outlet used for conveying pressure oil to a control valve, an oil return inlet allowing system returned oil to pass through and an oil return outlet enabling the system returned oil to flow back into the oil tank are formed in the base. The plunger-type compact hydraulic pump station is novel and compact in structure; and as the original assembly mode is changed, the production efficiency and the assembly efficiency are greatly improved, the production cost is lowered, and the repair and maintenance convenience is improved.
Description
Technical field
The present invention relates to hydraulic power system, particularly a kind of compact hydraulic power unit of plunger type.
Background technology
Hydraulic power unit can be divided into traditional type hydraulic power unit and oil immersed type motor liquid according to the difference of structure
Press pump station.
Traditional hydraulic power unit has simple in construction, easily manufactured a, lower-price characteristic, but this
Planting hydraulic power unit appearance design coarse, structure is the compactest, and energy consumption is higher, is not suitable for frequent starting.
The most external oil immersed type electrical machinery hydraulic pump station has compact conformation, and efficiency high energy consumption is low, Ke Yipin
Numerous startup, service life the advantage such as length.But design complex, manufacture and assembly cost is higher, and
The specification of volume of fuel tank is few, it is impossible to meet the actually used demand to volume optimum degree.
Such as: the pressure oil of hydraulic pump output typically will be connected by pipeline, is transported to outside pumping plant
In control valve.In fuel tank, fixing being typically all of motor realizes by suspension type or stator are forced simultaneously,
Manufacturing and assembly cost is higher, production efficiency is low, and inconvenience is changed in maintenance.
Summary of the invention
It is an object of the invention to provide a kind of compact hydraulic power unit of plunger type, mainly solve above-mentioned existing skill
Deficiency existing for art, present configuration is novel, compact, changes original assembly model, significantly carries
The high efficiency producing and assembling, reduces production cost, and improves repair and maintenance convenience, have
Well promote and practical value, good economic benefit after popularization and application, can be produced widely.
For achieving the above object, the present invention is realized in.
A kind of compact hydraulic power unit of plunger type, it includes the oil immersed type electricity being arranged in the fuel tank with end cap
Machine (motor) and plunger displacement pump；It is characterized in that: in this fuel tank, be additionally provided with oil-distributing plate；This plunger displacement pump is adopted
With high-pressure radial piston pump (radial piston pump), according to uninterrupted by 3 or 3 with
On plunger pay (pump element) composition, plunger pays an oil-distributing plate (pressure plate)
It is fixed on together on motor；The motor shaft of this oil immersed type motor uses bias design, carries when motor rotates
Dynamic plunger is paid reciprocating motion and is realized oil suction and oil extraction；This oil-distributing plate has the pressure paying quantity corresponding to plunger
Oil inlet, this pressure oil import converges to pressure oil by the inner passage of oil-distributing plate and exports；This oil-distributing plate
It is connected on pedestal, the pressure oil outlet of the pressure oil import correspondence connection oil-distributing plate on this pedestal, this base
The pressure oil that pressure oil is transported to control valve is also had to export on seat, the oil return import of connection system oil return,
And system oil return is flowed back to the oil return outlet in fuel tank.
The compact hydraulic power unit of described plunger type, it is characterised in that: the upper connection of this oil return outlet has oil return pipe,
A steel ball as non-return check valve it is mounted with in this oil return pipe.
The compact hydraulic power unit of described plunger type, it is characterised in that: this base side mask has control valve to install
Face, rosette installing hole and drain oil, this drain oil arranges purge cock.
The compact hydraulic power unit of described plunger type, it is characterised in that: wiring is installed in this rosette installing hole
Box, the lead-out wire of the power line of the motor in fuel tank, liquid-level switch and temperature switch all collects in rosette
In interior[exterior.
The compact hydraulic power unit of described plunger type, it is characterised in that: this pedestal is aluminum stretching structure.
The compact hydraulic power unit of described plunger type, it is characterised in that: this pedestal is die casting aluminium structure, this pressure
The pedestal upward pressure oil inlet of cast aluminum construction has the pressure casting inlay part of steel.
The compact hydraulic power unit of described plunger type, it is characterised in that: this oil-distributing plate is that steel/aluminum structure is joined
Oiled-plate method or cast-iron structure oil-distributing plate.
The compact hydraulic power unit of described plunger type, it is characterised in that: this plunger is paid and is mounted directly with oil-distributing plate
On the front shroud of oil immersed type motor, oil-distributing plate is screwed on pedestal, and fuel tank and end cap pass through respectively
Screw is fixed on pedestal.
The compact hydraulic power unit of described plunger type, it is characterised in that: on this end cap, there is air filter.
The compact hydraulic power unit of described plunger type, it is characterised in that: this fuel tank uses aluminum stretching section bar, should
There is on fuel tank oily form and liquidometer.
The present invention has that compact conformation, flexible, attractive in appearance, applicable, corrosion resistance be high, manufacturing cost relatively
The feature such as low.Also substantially increase the efficiency producing and assembling, reduce production cost, and improve
Repair and maintenance convenience, has and well promotes and practical value, can produce good widely after popularization and application
Economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is the monnolithic case figure one (die casting aluminium construction pedestals) of the present invention.
Fig. 2 is the monnolithic case figure two (aluminum stretching structure pedestal) of the present invention.
Fig. 3 is the three-dimensional exploded view of Fig. 1.
Fig. 4 is the structural representation of motor in Fig. 1-pump group.
Fig. 5 is the structural representation one of pedestal in Fig. 1.
Fig. 6 is the structural representation two of pedestal in Fig. 1.
Fig. 7 is the structural representation one of pedestal in Fig. 2.
Fig. 8 is the structural representation two of pedestal in Fig. 2.
Fig. 9 is the Facad structure schematic diagram of oil-distributing plate in Fig. 1.
Figure 10 is the side structure schematic diagram of oil-distributing plate in Fig. 1.
Figure 11 is the structure schematic diagram of oil-distributing plate in Fig. 1.
Figure 12 is the structural representation (paying corresponding to 4 plungers) of another kind of oil-distributing plate in the present invention.
Figure 13 is the structural representation (paying corresponding to 5 plungers) of another kind of oil-distributing plate in the present invention.
Figure 14 is the structural representation (paying corresponding to 6 plungers) of another kind of oil-distributing plate in the present invention.
Figure 15 is the structural representation (paying corresponding to 7 plungers) of another kind of oil-distributing plate in the present invention.
In figure: 1-end cap；2-air filter；3-oil immersed type motor；4-plunger is paid；5-oil-distributing plate；
6-oil return pipe；7-steel ball；8-fuel tank；9-oil form；11-liquidometer；11-purge cock；12-pedestal；
13-rosette；50-inner passage；501,502,503-screwed hole；51-pressure oil import；52-presses
Power oil export；53-pin hole；1201,1202,1203-screwed hole；121-pressure oil import；122-
Pressure oil exports；123-oil return import；124-oil return exports；125-rosette installing hole；126-controls
Valve installed surface；127-drain oil.
Detailed description of the invention
Refer to Fig. 1,3,4,5,6,9,10,11, the invention discloses a kind of compact liquid of plunger type
Press pump station.As shown in the figure: it includes oil immersed type motor 3 He being arranged in the fuel tank 8 with end cap 1
Plunger displacement pump.It is additionally provided with oil-distributing plate 5 in this fuel tank 8；This plunger displacement pump uses high-pressure radial piston pump, according to
Uninterrupted is paid 4 by the plunger of 3 or more than 3 and is formed (in figure as a example by 3), and plunger pays 4
It is fixed on motor 3 together with an oil-distributing plate 5；The motor shaft of this oil immersed type motor 3 uses bias design,
Drive when motor rotates plunger to pay 4 reciprocating motions and realize oil suction and oil extraction；This oil-distributing plate 5 has correspondence
The pressure oil import 51 of 4 quantity is paid, this pressure oil import 51 inner passage by oil-distributing plate in plunger
50 converge to pressure oil outlet 52；This oil-distributing plate 5 is connected to pedestal 12 (with die casting aluminium construction pedestals in figure
As a example by) on, the pressure oil outlet 52 of the corresponding connection oil-distributing plate 5 of the pressure oil import 121 on this pedestal 12,
The pressure oil outlet 122 that pressure oil is transported to control valve is also had on this pedestal 12, connection system oil return
Oil return import 123, and system oil return is flowed back to the oil return outlet 124 in fuel tank 8.
In the present invention, plunger displacement pump use high-pressure radial piston pump, according to uninterrupted by 3,5,6
Individual or 7 plungers pay 4 compositions, are screwed the front shroud at oil immersed type motor 3 together with oil-distributing plate 5
On.Oil-distributing plate 5 is screwed on pedestal 12, and fuel tank 8 and end cap are fixed on base by screw respectively
On seat 12.
In the present invention, use the complete oil immersed type motor 3 without shell, the heat produced in motor operation course
Amount is cooled down by fluid, good cooling results, it is possible to achieve the overpower of motor uses.Motor is by special manufacturer
Family manufacture, low cost, easily realize produce in enormous quantities.Motor can reduce fortune in being arranged on fuel tank 8 simultaneously
Row noise.
In the present invention, the front shroud of oil immersed type motor 3 machined connection screwed hole, plunger pays 4 can be straight
Connect on the front shroud being arranged on motor.Motor shaft uses bias design simultaneously, drives plunger when motor rotates
Pay 4 reciprocating motions and realize oil suction and oil extraction.Simple in construction, convenient installation, need not between pump and motor
Shaft coupling, compact conformation, extend the service life of complete machine.
In the present invention, have employed oil-distributing plate 5, each plunger pays the pressure oil of 4 discharges by oil-distributing plate 5
Pool together and export the pressure oil import to pedestal 12, be finally delivered to control valve group.According to different
Pressure rating can select different metal material processing oil-distributing plates 5, and oil-distributing plate 5 is screwed in pedestal
On 12, simple installation.
In the present invention, fuel tank 8 uses aluminum to stretch section bar, can need to intercept difference according to different volumes
Length, realize different volume of fuel tank flexibly.Owing to avoiding welding procedure traditional when fuel tank manufactures,
Production efficiency can be greatly improved and ensure the quality of fuel tank.The fuel tank of aluminum is conducive to the expansion of oil liquid temperature
But, surface uses anodic oxidation can improve antiseptic power and improve aesthetic in cold scattering.On this fuel tank 8
There is oily form 9 and liquidometer 10.
In the present invention, this oil return outlet 124 connects and has oil return pipe 6, in this oil return pipe 6, be mounted with one
As the steel ball 7 of non-return check valve, prevent the fluid within fuel tank 8 from flowing out to fuel tank when dismantling control valve
Outside 8.
In the present invention, this pedestal 12 side has control valve installed surface 126, rosette installing hole 125 and
Drain oil 127, this drain oil 127 arranges purge cock 11.Drain the oil with purge cock 11 closure at ordinary times
Hole 127, when fluid needs to change as oil extraction window.
In the present invention, in this rosette installing hole 125, rosette 13 is installed, moving of the motor in fuel tank 8
The lead-out wire of the line of force, liquid-level switch and temperature switch all collects in rosette interior[exterior 13.This structure
Terminal block can be facilitated.
Such as Fig. 2,7,8, this pedestal 12 is aluminum stretching structure.Aluminum stretching pedestal is used in pressure less than 350bar
Application scenario, after being drawn into aluminium section bar, saw blade is machined out aftershaping.
Such as Fig. 1,5,6, this pedestal 12 is die casting aluminium structure, the pedestal upward pressure oil of this die casting aluminium structure
Import 121 has the pressure casting inlay part of steel.Aluminum diecast base uses disposable die cast, for overcoming
The restriction of die casting aluminium bearing capacity, the specialized designs pressure casting inlay part of steel, for the transmission of pressure oil,
The operating pressure making its maximum can reach 700bar, uses die casting structure can also alleviate part simultaneously
Weight.
In the present invention, this oil-distributing plate 5 is steel/aluminum structure oil-distributing plate or cast-iron structure oil-distributing plate.From system
Making cost consideration, cast-iron structure is mainly used in the occasion of below 320bar, such as Fig. 9,10,11.For
The application of other higher pressure then uses steel oil-distributing plate, and such as Figure 12-15, they are to correspond respectively to 4-7
The steel/aluminum oil-distributing plate that individual plunger is paid.
In the present invention, this plunger pay 4 and oil-distributing plate 5 be directly installed on the front shroud of oil immersed type motor 3,
On this end cap 1, there is air filter 2.
It is only presently preferred embodiments of the present invention in sum, is not used for limiting the enforcement model of the present invention
Enclose.The most all equivalence changes made according to the content of scope of the present invention patent and modification, all should be this
Bright technology category.
Claims (10)
1. the compact hydraulic power unit of plunger type, it includes being arranged on the fuel tank (8) with end cap (1)
Interior oil immersed type motor (3) and plunger displacement pump；It is characterized in that: be additionally provided with in this fuel tank (8) and join oil
Plate (5)；This plunger displacement pump uses high-pressure radial piston pump, according to uninterrupted by 3 or more than 3
Plunger pays (4) composition, and plunger is paid (4) and is fixed on motor (3) together with an oil-distributing plate (5)；
The motor shaft of this oil immersed type motor (3) uses bias design, drives plunger to pay (4) when motor rotates
Reciprocating motion realizes oil suction and oil extraction；This oil-distributing plate (5) has the pressure paying (4) quantity corresponding to plunger
Power oil inlet (51), this pressure oil import (51) converges to pressure by the inner passage (50) of oil-distributing plate
Power oil export (52)；This oil-distributing plate (5) is connected to the pressure on pedestal (12), on this pedestal (12)
Pressure oil outlet (52) of power oil inlet (121) corresponding connection oil-distributing plate (5), on this pedestal (12)
Also have pressure oil outlet (122) that pressure oil is transported to control valve, the oil return import of connection system oil return
(123) oil return outlet (124) in fuel tank (8), and by system oil return is flowed back to.
The compact hydraulic power unit of plunger type the most according to claim 1, it is characterised in that: this oil return goes out
Mouthful (124) upper connection has oil return pipe (6), be mounted with in this oil return pipe (6) one unidirectional as non-return
The steel ball (7) of valve.
The compact hydraulic power unit of plunger type the most according to claim 1 and 2, it is characterised in that: this base
Seat (12) side has control valve installed surface (126), rosette installing hole (125) and drain oil (127),
Purge cock (11) is set on this drain oil (127).
The compact hydraulic power unit of plunger type the most according to claim 3, it is characterised in that: this rosette
Rosette (13), the power line of motor in fuel tank (8), liquid-level switch are installed in installing hole (125)
All collect in rosette interior[exterior (13) with the lead-out wire of temperature switch.
The compact hydraulic power unit of plunger type the most according to claim 1 and 2, it is characterised in that: this base
Seat (12) is aluminum stretching structure.
The compact hydraulic power unit of plunger type the most according to claim 1 and 2, it is characterised in that: this base
Seat (12) is die casting aluminium structure, and pedestal upward pressure oil inlet (121) of this die casting aluminium structure has steel
Pressure casting inlay part.
The compact hydraulic power unit of plunger type the most according to claim 1 and 2, it is characterised in that: this is joined
Oiled-plate method (5) is steel/aluminum structure oil-distributing plate or cast-iron structure oil-distributing plate.
The compact hydraulic power unit of plunger type the most according to claim 1 and 2, it is characterised in that: this post
Plug pays (4) and oil-distributing plate (5) is directly installed on the front shroud of oil immersed type motor (3), oil-distributing plate (5)
Being screwed on pedestal (12), fuel tank (8) and end cap are fixed on pedestal (12) by screw respectively
On.
The compact hydraulic power unit of plunger type the most according to claim 1 and 2, it is characterised in that: this end
On lid (1), there is air filter (2).
The compact hydraulic power unit of plunger type the most according to claim 1 and 2, it is characterised in that: should
Fuel tank (8) uses aluminum stretching section bar, and this fuel tank (8) has oily form (9) and liquidometer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547826.9A CN106015200A (en) | 2016-07-13 | 2016-07-13 | Plunger-type compact hydraulic pump station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547826.9A CN106015200A (en) | 2016-07-13 | 2016-07-13 | Plunger-type compact hydraulic pump station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106015200A true CN106015200A (en) | 2016-10-12 |
Family
ID=57109529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610547826.9A Pending CN106015200A (en) | 2016-07-13 | 2016-07-13 | Plunger-type compact hydraulic pump station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106015200A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061425A (en) * | 2017-03-29 | 2017-08-18 | 周承恩 | Close-coupled pump hydraulic pumping plant |
| CN111255762A (en) * | 2020-03-24 | 2020-06-09 | 哈威液压系统(无锡)有限公司 | Integrated directional control valve |
| CN115342091A (en) * | 2021-05-12 | 2022-11-15 | 哈威油液压技术(无锡)有限公司 | Hydraulic control system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2163247Y (en) * | 1993-07-24 | 1994-04-27 | 周强 | Suspended shaft radial plunger fuel pump |
| EP0716233A2 (en) * | 1994-11-10 | 1996-06-12 | Fenner, Inc. | Plastic reservoir |
| CN2247243Y (en) * | 1995-03-29 | 1997-02-12 | 王家刚 | Radial plunger pump |
| DE10022174A1 (en) * | 2000-05-06 | 2001-11-08 | Kroell Hydrotechnik Kg | Pump unit with electric motor and driven feed pump, includes carrier plate as sealing cover for pump housing |
| DE20205936U1 (en) * | 2002-04-16 | 2002-08-22 | TRW Fahrwerksysteme GmbH & Co. KG, 40547 Düsseldorf | Hydraulic pump, in particular for a power steering system |
| CN203717549U (en) * | 2013-12-31 | 2014-07-16 | 南车戚墅堰机车车辆工艺研究所有限公司 | Externally-arranged hydraulic station for internal grinding machine |
| CN205841380U (en) * | 2016-07-13 | 2016-12-28 | 哈威油液压技术（上海）有限公司 | The compact hydraulic power unit of plunger type |
-
2016
- 2016-07-13 CN CN201610547826.9A patent/CN106015200A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2163247Y (en) * | 1993-07-24 | 1994-04-27 | 周强 | Suspended shaft radial plunger fuel pump |
| EP0716233A2 (en) * | 1994-11-10 | 1996-06-12 | Fenner, Inc. | Plastic reservoir |
| CN2247243Y (en) * | 1995-03-29 | 1997-02-12 | 王家刚 | Radial plunger pump |
| DE10022174A1 (en) * | 2000-05-06 | 2001-11-08 | Kroell Hydrotechnik Kg | Pump unit with electric motor and driven feed pump, includes carrier plate as sealing cover for pump housing |
| DE20205936U1 (en) * | 2002-04-16 | 2002-08-22 | TRW Fahrwerksysteme GmbH & Co. KG, 40547 Düsseldorf | Hydraulic pump, in particular for a power steering system |
| CN203717549U (en) * | 2013-12-31 | 2014-07-16 | 南车戚墅堰机车车辆工艺研究所有限公司 | Externally-arranged hydraulic station for internal grinding machine |
| CN205841380U (en) * | 2016-07-13 | 2016-12-28 | 哈威油液压技术（上海）有限公司 | The compact hydraulic power unit of plunger type |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061425A (en) * | 2017-03-29 | 2017-08-18 | 周承恩 | Close-coupled pump hydraulic pumping plant |
| CN107061425B (en) * | 2017-03-29 | 2019-05-17 | 周承恩 | Close-coupled pump hydraulic pumping plant |
| CN111255762A (en) * | 2020-03-24 | 2020-06-09 | 哈威液压系统(无锡)有限公司 | Integrated directional control valve |
| CN115342091A (en) * | 2021-05-12 | 2022-11-15 | 哈威油液压技术(无锡)有限公司 | Hydraulic control system |
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| PB01 | Publication | ||
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Application publication date: 20161012 |