CN106015167A - Hydraulic pump station of gear pump - Google Patents
Hydraulic pump station of gear pump Download PDFInfo
- Publication number
- CN106015167A CN106015167A CN201610547628.2A CN201610547628A CN106015167A CN 106015167 A CN106015167 A CN 106015167A CN 201610547628 A CN201610547628 A CN 201610547628A CN 106015167 A CN106015167 A CN 106015167A
- Authority
- CN
- China
- Prior art keywords
- oil
- gear pump
- power unit
- hydraulic power
- pedestal
- 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.)
- Pending
Links
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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/18—Combined units comprising both motor and pump
-
- 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
-
- 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
Abstract
The invention relates to a hydraulic pump station of a gear pump. The hydraulic pump station comprises an oil immersed motor arranged in an oil tank with an end cover and a hydraulic pump. The hydraulic pump station is characterized in that a connecting support is further arranged in the oil tank; the gear pump achieving axial oil outlet is adopted as the hydraulic pump, and the gear pump is connected with a motor shaft of the oil immersed motor; a pressure oil exhaust port of the gear pump is conveyed to a pressure oil inlet of a base through a front housing of the oil immersed motor and communicating oil holes in the connecting support; and a pressure oil outlet for conveying pressure oil to a control valve, a return oil inlet connected with system return oil and a return oil outlet enabling the system return oil to flow back into the oil tank are further formed in the base. The hydraulic pump station is novel and compact in structure; an original assembly mode is changed; the efficiency of production and assembly is greatly improved; production cost is reduced; and repair and maintenance convenience is improved.
Description
Technical field
The present invention relates to hydraulic power system, particularly a kind of gear pump hydraulic power unit.
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 changes maintenance inconvenience.
Summary of the invention
It is an object of the invention to provide a kind of gear pump hydraulic power unit, mainly solve above-mentioned prior art institute
The deficiency existed, present configuration is novel, compact, changes original assembly model, substantially increases
The efficiency produced and assemble, reduces production cost, and improves repair and maintenance convenience, has very well
Popularization and practical value, good economic benefit can be produced widely after popularization and application.
For achieving the above object, the present invention is realized in.
A kind of gear pump hydraulic power unit, it include the oil immersed type motor that is arranged in the fuel tank with end cap and
Hydraulic pump；It is characterized in that: in this fuel tank, be additionally provided with connection support；This hydraulic pump uses the most fuel-displaced
Gear pump, gear pump is connected with the motor shaft of oil immersed type motor；The pressure oil outlet of this gear pump
Enter with the pressure oil connecting in support the oilhole being connected and being sent to pedestal through the front cover shell of oil immersed type motor
Mouthful, this pedestal also has the pressure oil outlet that pressure oil is transported to control valve, returning of connection system oil return
Oil inlet, and system oil return is flowed back to the oil return outlet in fuel tank.
Described gear pump hydraulic power unit, it is characterised in that: this gear pump is directly solid by flange installed surface
It is scheduled on the front cover shell of oil immersed type motor, and is connected by spline or flat key and motor shaft.
Described gear pump hydraulic power unit, it is characterised in that: this oil immersed type motor is fixed by connecting support
On pedestal；The gear pump being connected with oil immersed type motor then penetrates in the cavity connecting support.
Described gear pump hydraulic power unit, it is characterised in that: the upper connection of this oil return outlet has oil return pipe, should
A steel ball as non-return check valve it is mounted with in oil return pipe.
Described gear pump hydraulic power unit, it is characterised in that: this base side mask have control valve installed surface,
Rosette installing hole and drain oil, this drain oil arranges purge cock.
Described gear pump hydraulic power unit, it is characterised in that: rosette is installed in this rosette installing hole,
The lead-out wire of the power line of the motor in fuel tank, liquid-level switch and temperature switch connects in all collecting in rosette
In line box.
Described gear pump hydraulic power unit, it is characterised in that: this pedestal is aluminum stretching structure.
Described gear pump hydraulic power unit, it is characterised in that: this pedestal is die casting aluminium structure, this die casting aluminium
The pedestal upward pressure oil inlet of structure has the pressure casting inlay part of steel.
Described gear pump hydraulic power unit, it is characterised in that: on this end cap, there is air filter.
Described gear pump hydraulic power unit, it is characterised in that: this fuel tank uses aluminum stretching section bar, this fuel tank
On there is 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 one of pedestal in Fig. 1.
Fig. 5 is the structural representation two of pedestal in Fig. 1.
Fig. 6 is the structural representation one of pedestal in Fig. 2.
Fig. 7 is the structural representation two of pedestal in Fig. 2.
In figure: 1-end cap；2-air filter；3-oil immersed type motor；4-gear pump；5-connects support；
6-oil return pipe；7-steel ball；8-fuel tank；9-oil form；11-liquidometer；11-purge cock；12-pedestal；
13-rosette；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-control valve installed surface；127-
Drain oil.
Detailed description of the invention
Refer to Fig. 1,3,4,5, the invention discloses a kind of gear pump hydraulic power unit.As shown in the figure:
It includes oil immersed type motor 3 and the hydraulic pump being arranged in the fuel tank 8 with end cap 1.In this fuel tank 8
It is additionally provided with connection support 5；This hydraulic pump uses the most fuel-displaced gear pump 4, gear pump 4 and oil immersed type
The motor shaft of motor 3 is connected；The pressure oil outlet of this gear pump 4 is through the front shroud of oil immersed type motor 3
Shell is sent to pedestal 12 (in figure as a example by die casting aluminium construction pedestals) with the oilhole being connected in connection support 5
Pressure oil import 121, it is to avoid flexible pipe road connects.Also have on this pedestal 12 and pressure oil is transported to control
The pressure oil outlet 122 of valve processed, the oil return import 123 of connection system oil return, and system oil return is flowed back to
Oil return outlet 124 in fuel tank 8.
In the present invention, need not extra shaft coupling between gear pump 4 and oil immersed type motor 3, structure is tight
Gather, extend the service life of complete machine.
In the present invention, this gear pump 4 is directly anchored to the front shroud of oil immersed type motor 3 by flange installed surface
On shell, and it is connected by spline or flat key and motor shaft.
In the present invention, this oil immersed type motor 3 is fixed on pedestal 12 by connecting support 5；With oil immersed type
The gear pump 4 that motor 3 connects then penetrates in the cavity connecting support 5, can save the sky in fuel tank 8
Between.
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, 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. 2,6,7, 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. 1,4,5, 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 end cap 1 has 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. a gear pump hydraulic power unit, it includes being arranged in the fuel tank (8) with end cap (1)
Oil immersed type motor (3) and hydraulic pump；It is characterized in that: this fuel tank is additionally provided with connection support in (8)
(5)；This hydraulic pump uses the most fuel-displaced gear pump (4), gear pump (4) and oil immersed type motor (3)
Motor shaft be connected；The pressure oil outlet of this gear pump (4) is through the front shroud of oil immersed type motor (3)
Shell is sent to the pressure oil import (121) of pedestal (12) with the oilhole being connected in connection support (5),
This pedestal (12) is upper also has pressure oil outlet (122) that pressure oil is transported to control valve, connection system
The oil return import (123) of oil return, and system oil return is flowed back to oil return outlet (124) in fuel tank (8).
Gear pump hydraulic power unit the most according to claim 1, it is characterised in that: this gear pump (4)
It is directly anchored on the front cover shell of oil immersed type motor (3) by flange installed surface, and by spline or flat key
It is connected with motor shaft.
Gear pump hydraulic power unit the most according to claim 1, it is characterised in that: this oil immersed type motor
(3) it is fixed on pedestal (12) by connection support (5)；The tooth being connected with oil immersed type motor (3)
Wheel pump (4) then penetrates in the cavity connecting support (5).
Gear pump hydraulic power unit the most according to claim 1, it is characterised in that: this oil return outlet (124)
Upper connection has oil return pipe (6), is mounted with a steel ball as non-return check valve in this oil return pipe (6)
(7)。
5. according to the gear pump hydraulic power unit described in claim 1 or 2 or 3 or 4, it is characterised in that:
This pedestal (12) side has control valve installed surface (126), rosette installing hole (125) and drains the oil
Hole (127), this drain oil (127) arranges purge cock (11).
Gear pump hydraulic power unit the most according to claim 5, it is characterised in that: this rosette is installed
Rosette (13) is installed in hole (125), the power line of motor in fuel tank (8), liquid-level switch and
The lead-out wire of temperature switch all collects in rosette interior[exterior (13).
7. according to the gear pump hydraulic power unit described in claim 1 or 2 or 3 or 4, it is characterised in that:
This pedestal (12) is aluminum stretching structure.
8. according to the gear pump hydraulic power unit described in claim 1 or 2 or 3 or 4, it is characterised in that:
This pedestal (12) is die casting aluminium structure, and pedestal upward pressure oil inlet (121) of this die casting aluminium structure has
The pressure casting inlay part of steel.
9. according to the gear pump hydraulic power unit described in claim 1 or 2 or 3 or 4, it is characterised in that:
There is on this end cap (1) air filter (2).
10. according to the gear pump hydraulic power unit described in claim 1 or 2 or 3 or 4, it is characterised in that:
This 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 |
|---|---|---|---|
| CN201610547628.2A CN106015167A (en) | 2016-07-13 | 2016-07-13 | Hydraulic pump station of gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547628.2A CN106015167A (en) | 2016-07-13 | 2016-07-13 | Hydraulic pump station of gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106015167A true CN106015167A (en) | 2016-10-12 |
Family
ID=57109324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610547628.2A Pending CN106015167A (en) | 2016-07-13 | 2016-07-13 | Hydraulic pump station of gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106015167A (en) |
Cited By (2)
| 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 |
| CN108223495A (en) * | 2018-01-16 | 2018-06-29 | 莱歇研磨机械制造(上海)有限公司 | One kind turns over roller pump station device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1117309A (en) * | 1993-02-02 | 1996-02-21 | 曼内斯曼雷克斯罗特有限公司 | Hydraulic unit |
| EP0716233A2 (en) * | 1994-11-10 | 1996-06-12 | Fenner, Inc. | Plastic reservoir |
| 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 Fahrwerksyst Gmbh & Co | Hydraulic pump, in particular for a power steering system |
| CN101315076A (en) * | 2008-06-26 | 2008-12-03 | 陕西法士特齿轮有限责任公司 | Internal gear pump |
| CN201461397U (en) * | 2009-05-13 | 2010-05-12 | 河南豫通电机股份公司 | Transmission structure of hydraulic gear pump and motor |
| CN102808765A (en) * | 2011-06-01 | 2012-12-05 | 德昌电机(深圳)有限公司 | Fluid pumping device |
| CN203948386U (en) * | 2014-06-16 | 2014-11-19 | 刘坚 | A kind of high integrated hydraulic pump station |
| CN205841367U (en) * | 2016-07-13 | 2016-12-28 | 哈威油液压技术（上海）有限公司 | Gear pump hydraulic power unit |
-
2016
- 2016-07-13 CN CN201610547628.2A patent/CN106015167A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1117309A (en) * | 1993-02-02 | 1996-02-21 | 曼内斯曼雷克斯罗特有限公司 | Hydraulic unit |
| EP0716233A2 (en) * | 1994-11-10 | 1996-06-12 | Fenner, Inc. | Plastic reservoir |
| 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 Fahrwerksyst Gmbh & Co | Hydraulic pump, in particular for a power steering system |
| CN101315076A (en) * | 2008-06-26 | 2008-12-03 | 陕西法士特齿轮有限责任公司 | Internal gear pump |
| CN201461397U (en) * | 2009-05-13 | 2010-05-12 | 河南豫通电机股份公司 | Transmission structure of hydraulic gear pump and motor |
| CN102808765A (en) * | 2011-06-01 | 2012-12-05 | 德昌电机(深圳)有限公司 | Fluid pumping device |
| CN203948386U (en) * | 2014-06-16 | 2014-11-19 | 刘坚 | A kind of high integrated hydraulic pump station |
| CN205841367U (en) * | 2016-07-13 | 2016-12-28 | 哈威油液压技术（上海）有限公司 | Gear pump hydraulic power unit |
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 |
| CN108223495A (en) * | 2018-01-16 | 2018-06-29 | 莱歇研磨机械制造(上海)有限公司 | One kind turns over roller pump station device |
| CN108223495B (en) * | 2018-01-16 | 2024-02-09 | 莱歇研磨机械制造(上海)有限公司 | Roll-over pump station device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161012 |
|
| WD01 | Invention patent application deemed withdrawn after publication |