CN107061425A - Close-coupled pump hydraulic pumping plant - Google Patents
Close-coupled pump hydraulic pumping plant Download PDFInfo
- Publication number
- CN107061425A CN107061425A CN201710195130.9A CN201710195130A CN107061425A CN 107061425 A CN107061425 A CN 107061425A CN 201710195130 A CN201710195130 A CN 201710195130A CN 107061425 A CN107061425 A CN 107061425A
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- China
- Prior art keywords
- oil
- pedestal
- close
- pumping plant
- hydraulic pumping
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- 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
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
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- 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
- F15B21/08—Servomotor systems incorporating electrically operated control means
Abstract
A kind of close-coupled pump hydraulic pumping plant, it includes pedestal, fuel tank, oil immersed type motor, oil-distributing plate, gear pump, and the radiating subassembly cooled down for the system oil return to the close-coupled pump hydraulic pumping plant；The pedestal, which is located at below the bottom of fuel tank, the pedestal, is packaged with bottom end cover；The gear pump is embedded in pedestal, and its pump housing is connected by bolt with the oil-distributing plate being positioned above, and its pump shaft is connected through oil-distributing plate and with the motor shaft of oil immersed type motor；The motor shaft of the oil immersed type motor is designed using eccentric, has the plunger pair being radially arranged on the oil immersed type motor.Assembly model and cooling structure of the invention by changing existing hydraulic power unit, can solve oil immersed type hydraulic power unit in the prior art and be difficult to the technological difficulties continuously run, to meet the special operation condition of some hydraulic systems；The structure of the close-coupled pump hydraulic pumping plant is novel, compact, can be greatly enhanced production and the packaging efficiency of existing hydraulic power unit, and then reduce production cost.
Description
Technical field
The present invention relates to hydraulic power system, more particularly to a kind of close-coupled pump hydraulic pumping plant.
Background technology
Hydraulic power unit can be divided into traditional type hydraulic power unit and oil immersed type electrical machinery hydraulic pump station according to the difference of structure.
Traditional hydraulic power unit has simple in construction, easily manufactured, lower-price characteristic, but this hydraulic power unit appearance design is thick
Rough, structure is not compact, and energy consumption is higher, is not suitable for frequent starting.
External oil immersed type electrical machinery hydraulic pump station has compact conformation at present, and efficiency high energy consumption is low, can be made with frequent starting
The advantages of using long lifespan.But the design at this immersion electrical machinery hydraulic pump station is complex, manufacture and assembly cost are higher, and oil
The specification of case volume is few, it is impossible to the demand of volume when meeting to optimum degree actual use.Such as：The pressure of hydraulic pump output
Oil will typically be connected by pipeline, be transported in the control valve outside pumping plant.The fixation of motor is typically all in fuel tank simultaneously
Realized by the way that suspension type or stator are forced, manufacture and assembly cost are higher, low production efficiency, and change and safeguard inconvenient.
The content of the invention
It is an object of the invention to for it is above-mentioned it is of the prior art deficiency there is provided a kind of close-coupled pump hydraulic pumping plant,
By changing the assembly model of existing hydraulic power unit, to solve the technological difficulties that it is difficult to continuously run.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：
A kind of close-coupled pump hydraulic pumping plant, it includes pedestal, fuel tank, oil immersed type motor, oil-distributing plate, gear pump, and
The radiating subassembly cooled down for the system oil return to the close-coupled pump hydraulic pumping plant；The pedestal is located at the bottom of fuel tank
Bottom end cover is packaged with below portion, the pedestal；The gear pump is embedded in pedestal, and its pump housing is by bolt and is positioned above
Oil-distributing plate is connected, and its pump shaft is connected through oil-distributing plate and with the motor shaft of oil immersed type motor；The motor of the oil immersed type motor
Axle is designed using eccentric, has the plunger pair being radially arranged on the oil immersed type motor, and the oil immersed type motor can drive post when rotating
Plug is secondary reciprocating, to realize oil suction and oil extraction；The plunger pair is made up of the plunger of 3 or more than 3 and positioned at oil
The top of plate；The oil-distributing plate is fixedly connected with oil immersed type motor and pedestal simultaneously, and the oil-distributing plate is double loop oil-distributing plate, and it has
There are first pressure oil export and second pressure oil export, the second pressure oil inlet corresponding to gear pump, and multiple correspond to
The first pressure oil inlet of plunger quantity；Described multiple first pressure oil inlets converge to by the inner passage of oil-distributing plate
One pressure oil exit；The gear pump is using axially fuel-displaced gear pump, the pressure oil outlet correspondence second of the gear pump
Pressure oil inlet, and by the inner passage connection second pressure oil export of oil-distributing plate；Have on the pedestal and correspond to connection respectively
The first pressure oil export, the first pedestal pressure oil inlet of second pressure oil export, the second pedestal pressure oil inlet；The base
Also there is the first pedestal pressure for being used for that the pressure oil of the close-coupled pump hydraulic pumping plant to be transported to external control valve on seat
The oil return import of oil export, the second pedestal pressure oil export, system oil return for connecting the close-coupled pump hydraulic pumping plant, with
And for the system oil return of the close-coupled pump hydraulic pumping plant to be flowed back to the outlet of the oil return in fuel tank；The radiating subassembly and pedestal
Connection.
Further, the radiating subassembly includes upper end cover, deflector and oil return pipe；The upper end cover is packaged in fuel tank
Upper end, the deflector is located at the lower section of the upper end cover；One end of the oil return pipe is connected with the oil return outlet of pedestal, the other end
It is connected with deflector, for the system oil return of the close-coupled pump hydraulic pumping plant to be delivered to the deflector positioned at top of oil-tank
Place, makes it contact with upper end cover to return in fuel tank after carrying out heat exchange；One way stop peturn valve is provided with the oil return pipe；It is described
Radiator fan is additionally provided with above upper end cover, for being cooled down to upper end cover and fuel tank.
Further, the radiating subassembly includes heat radiating type upper end cover, oil baffle plate and oil return pipe；The heat radiating type upper end
Lid is packaged in the upper end of fuel tank, and its bottom is provided with guiding gutter, and the oil baffle is located at the lower section of the heat radiating type upper end cover；Described time
The oil return outlet of one end of oil pipe and pedestal is connected, and the other end is connected with oil baffle, for by the close-coupled pump hydraulic pumping plant
System oil return be delivered in the guiding gutter of the heat radiating type upper end cover of top of oil-tank, it is contacted with heat radiating type upper end cover with
Just returned after carrying out heat exchange in fuel tank, radiating ribs are provided with the top of the heat radiating type upper end cover, for strengthening radiating effect；Institute
State and be additionally provided with radiator fan above heat radiating type upper end cover, for being cooled down to upper end cover and fuel tank.
Further, the gear pump is directly anchored on oil-distributing plate by flange mounting surface, its pump shaft by spline or
Flat key or a keyboard are connected with the motor shaft of oil immersed type motor.
Further, the side of the pedestal has control valve mounting surface, terminal box mounting hole and drain oil；It is described to drain the oil
Purge cock is provided with hole；Terminal box, power line, the liquid-level switch of oil immersed type motor are installed in the terminal box mounting hole
All collected in the terminal box with the lead-out wire of temperature switch.
Further, the pedestal is aluminium stretching structure.
Further, the pedestal is the die casting at die casting constructed of aluminium, the second pedestal pressure oil inlet thereon with steel
Inserts.
Further, the fuel tank uses die casting constructed of aluminium, which is provided with oily form, air cleaner and liquid level gauge.
Further, the oil immersed type motor uses variable-frequency motor or conventional motor；The bottom tool of the oil immersed type motor
There is front cover shell, the oil-distributing plate is fixed by screws on the front cover shell with plunger pair.
Close-coupled pump hydraulic pumping plant proposed by the present invention, is tied by the assembly model and cooling that change existing hydraulic power unit
Structure, can solve oil immersed type hydraulic power unit in the prior art and be difficult to the technological difficulties continuously run, to meet some hydraulic pressure systems
The special operation condition of system；The structure of the close-coupled pump hydraulic pumping plant is novel, compact, ingenious in design, can be greatly enhanced existing
The production of hydraulic power unit and packaging efficiency, and then reduce production cost；Meanwhile, it also has the convenience of repair and maintenance, and
Good popularization and practical value, will also good economic benefit be produced after extensive popularization and application.
Brief description of the drawings
Fig. 1 is the monnolithic case figure one (aluminium stretching structure pedestal) of the present invention.
Fig. 2 Fig. 1 is the monnolithic case figure two (die casting aluminium construction pedestals) of the present invention.
Fig. 3 is Fig. 1 three-dimensional exploded view.
Fig. 4 is the structural representation of motor-pump group in Fig. 1.
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 positive structure schematic 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 (corresponding to 4 plunger pairs) of another oil-distributing plate in the present invention.
Figure 13 is the structural representation (corresponding to 5 plunger pairs) of another oil-distributing plate in the present invention.
Figure 14 is the structural representation (corresponding to 6 plunger pairs) of another oil-distributing plate in the present invention.
Figure 15 is the structural representation (corresponding to 7 plunger pairs) of another oil-distributing plate in the present invention.
Figure 16 is the positive structure schematic of radiating subassembly in another embodiment of the present invention.
Figure 17 is Figure 16 cross-sectional view.
Figure 18 is Figure 16 structure schematic diagram.
Figure 19 is Figure 16 top surface structure schematic diagram.
Figure 20 is Figure 16 bottom surface structure schematic diagram.
Figure 21 is the bottom view of heat radiating type upper end cover in Figure 16.
In figure：1- bottom end covers；2- gear pumps；3- pedestals；4- steel balls；5- oil-distributing plates；6- plunger pairs；7- oil return pipes；8- oil
Immersion motor；9- fuel tanks；10- deflectors；11- upper end covers；12- cooling fans；13- terminal boxes；14- positions bearing；15- air
Cleaner；16- oil forms；17- liquid level gauges；18- purge cocks；301st, 302,303- screwed holes；31- the first pedestal pressure oils enter
Mouthful；33- the second pedestal pressure oil inlets；32- the first pedestal pressure oil exports；34- the second pedestal pressure oil exports；35- oil returns
Import；36- oil returns are exported；37- terminal box mounting holes；38- control valve mounting surfaces；39- drain oils；51- first pressure oil inlets；
53- second pressure oil inlets；501st, 502- inner passages；52- first pressure oil exports；54- second pressure oil exports；60- dissipates
Heat type upper end cover；601- fan mounting posts；602- radiating ribs；603- guiding gutters；70- oil baffles.
Embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Embodiment one
Fig. 1 is referred to Figure 21, a kind of close-coupled pump hydraulic pumping plant, it include pedestal 3, fuel tank 9, oil immersed type motor 8,
Oil-distributing plate 5, gear pump 2, and the radiating subassembly cooled down for the system oil return to the close-coupled pump hydraulic pumping plant；Institute
The bottom that pedestal 3 is located at fuel tank 9 is stated, the lower section of the pedestal 3 is packaged with bottom end cover 1；The gear pump 2 is embedded in pedestal 3, its pump
Body is connected by bolt with the oil-distributing plate 5 being positioned above, its pump shaft through oil-distributing plate 5 and with the motor shaft of oil immersed type motor 8
It is connected；The motor shaft of the oil immersed type motor 8 is designed using eccentric, has the plunger being radially arranged on the oil immersed type motor 8
Pair 6, the oil immersed type motor 8 can drive plunger pair 6 reciprocating when rotating, to realize oil suction and oil extraction；The plunger pair 6
It is made up of the plunger of 3 or more than 3 and positioned at the top of oil-distributing plate 5；The oil-distributing plate 5 simultaneously with oil immersed type motor 8 and base
Seat 3 is fixedly connected on (in figure exemplified by stretching constructed of aluminium pedestal), and the oil-distributing plate 5 is double loop oil-distributing plate, and it has the first pressure
Power oil export 52, second pressure oil export 54, and corresponding to the first pressure oil inlet 51 of plunger quantity, and corresponding to gear
The second pressure oil inlet 53 of pump；Described first pressure oil inlet 51 converges to the first pressure by the inner passage of oil-distributing plate 5
At power oil export 52, the first pressure oil inlet 31 on the first pressure oil export 52 correspondence connection pedestal 3；The gear pump 2
Using axially fuel-displaced gear pump, the pressure oil outlet correspondence second pressure oil inlet 53 of the gear pump 2, and pass through oil-distributing plate
The connection of inner passage 502 second pressure oil export 54, have on the pedestal 3 and correspond to the connection first pressure oil export respectively
52nd, the first pedestal pressure oil inlet 31 of second pressure oil export 54, the second pedestal pressure oil inlet 33, it is to avoid flexible pipe road connects
Connect；Also having on the pedestal 3 is used to the pressure oil of the close-coupled pump hydraulic pumping plant being transported to the first of external control valve
Pedestal pressure oil export 32, the second pedestal pressure oil export 34, the system oil return for connecting the close-coupled pump hydraulic pumping plant
Oil return import 35, and for the system oil return of the close-coupled pump hydraulic pumping plant is flowed back to the oil return in fuel tank outlet 36；
The radiating subassembly is connected with pedestal 3.
Preferably, the radiating subassembly includes upper end cover 11, deflector 10 and oil return pipe 7；The upper end cover 11
The upper end of fuel tank 9 is packaged in, the deflector 10 is located at the lower section of the upper end cover 11；One end of the oil return pipe 7 and pedestal 3
Oil return outlet is connected, and the other end is connected with deflector 10, for the system oil return of the close-coupled pump hydraulic pumping plant to be delivered to
At the deflector 10 at the top of fuel tank 9, make it contact with upper end cover 11 return after heat exchange in fuel tank 9；Should
A steel ball 4 as one way stop peturn valve is provided with oil return pipe 7, can be prevented when dismantling control valve outside the fluid inside fuel tank 9
Stream；The top of the upper end cover 11 is additionally provided with radiator fan 12, for being cooled down to upper end cover 11 and fuel tank 9.
Preferably, the gear pump 2 is directly anchored on oil-distributing plate 5 by flange mounting surface, and its pump shaft passes through
Spline or flat key or a keyboard are connected with the motor shaft of oil immersed type motor 8.
Preferably, the side of the pedestal 3 has control valve mounting surface 38, terminal box mounting hole 37 and drain oil
39；Purge cock 18 is provided with the drain oil 39, usually drain oil 39 is blocked with purge cock 18, needs to change in fluid
Shi Zuowei oil extraction windows；Terminal box 13 is installed, the power line of oil immersed type motor 8, liquid level are opened in the terminal box mounting hole 37
Close and the lead-out wire of temperature switch is all collected in 13 in the terminal box, the structure can facilitate terminal block.
Preferably, the pedestal 3 is aluminium stretching structure.
Preferably, the pedestal 3 is to have steel at die casting constructed of aluminium, the second pedestal pressure oil inlet 31 thereon
Pressure casting inlay part.
Preferably, the fuel tank 9 uses die casting constructed of aluminium, which is provided with oily form 16, the and of air cleaner 15
Liquid level gauge 17.
Preferably, the oil immersed type motor 8 uses variable-frequency motor or conventional motor；The oil immersed type motor 8
Bottom has front cover shell, and the oil-distributing plate 5 is fixed by screws on the front cover shell with plunger pair 6.
In the present invention, extra shaft coupling, structure are not needed between the plunger pair 6 and gear pump 2 and oil immersed type motor 8
It is compact, the service life of complete machine can be extended.There are a gear pump mounting-positioning holes in the middle of the oil-distributing plate 5, this installs positioning
Hole is engaged with the small bearing of oil immersed type motor, for realizing being accurately positioned for oil-distributing plate, thus ensure the pump shaft of gear pump with
The concentricity of the motor shaft of oil immersed type motor.
The oil immersed type motor 8 is using the complete oil immersed type motor without shell, and the oil immersed type motor is in running
The heat of middle generation is cooled down by fluid, good cooling results, it is possible to achieve the overpower of motor is used.Motor is by specialized factory's system
Make, cost is low, easy realize is produced in enormous quantities；The oil immersed type motor is arranged in fuel tank simultaneously, can effectively be reduced it and be run institute
The noise of generation.
The fuel tank 9 stretches section bar using aluminium, can be needed to intercept different length according to different volumes, flexibly realized
Different volume of fuel tank.Due to avoiding welding procedure traditional during fuel tank manufacture, production efficiency and guarantee can be greatly improved
The quality of fuel tank.The fuel tank of aluminum is conducive to the diffusion of oil liquid temperature to cool down, and its surface can improve anti-corrosion using anodic oxidation
Ability, raising aesthetic.There is oily form 16 and liquid level gauge 17 on the fuel tank 9.
Such as Fig. 1,4,5,6, the pedestal 3 is aluminium stretching structure.Aluminium stretching pedestal is applied to the occasion that pressure is less than 350bar,
It is drawn into after aluminium section bar, then aftershaping is machined out with saw blade.
Such as Fig. 2,7,8, the pedestal 3 is the second pressure oil inlet 31 on die casting constructed of aluminium, the pedestal of the die casting constructed of aluminium
Pressure casting inlay part of the place with steel.The pedestal of the die casting constructed of aluminium uses disposable die cast, to overcome die casting aluminium pressure-bearing
The limitation of ability, we specially devise the pressure casting inlay part of steel, for the transmission of pressure oil, make its maximum operating pressure
700bar can be reached, while the weight of part can also be mitigated using die casting structure.
Embodiment two
The present embodiment and the difference of embodiment one are that the radiating subassembly is enhanced radiating subassembly, and it includes radiating
Type upper end cover 60, oil baffle 70 and oil return pipe 7；The heat radiating type upper end cover 60 is packaged in the upper end of fuel tank 9, and its bottom is provided with and led
Chute 603, the oil baffle plate 70 is located at the lower section of the heat radiating type upper end cover 60；One end of the oil return pipe 7 and the oil return of pedestal 3
Outlet is connected, and the other end is connected with oil baffle 70, is located at for the system oil return of the close-coupled pump hydraulic pumping plant to be delivered to
In the guiding gutter 603 of the heat radiating type upper end cover 60 at the top of fuel tank 9, it is set to contact to carry out heat exchange with heat radiating type upper end cover 60
After return in fuel tank 9；Radiating ribs 602 are provided with the top of heat radiating type upper end cover, to strengthen radiating effect；It is provided with the oil return pipe 7
One steel ball 4 as one way stop peturn valve, can prevent the fluid inside fuel tank 9 from outflowing when dismantling control valve；The heat radiating type
The top of upper end cover 60 also has fan mounting post, and for the radiator fan 12 being fixed above it, the radiator fan 12 can
To be cooled down to heat radiating type upper end cover 60 and fuel tank 9.
Description and application above to invention is illustrative, is not wishing to limit the scope of the invention to above-described embodiment
In；In the case where not departing from scope and spirit of the present invention, other deformations can be carried out to embodiments disclosed herein and are changed
Become.
Claims (9)
1. a kind of close-coupled pump hydraulic pumping plant, it is characterised in that：Including pedestal, fuel tank, oil immersed type motor, oil-distributing plate, gear
Pump, and the radiating subassembly cooled down for the system oil return to the close-coupled pump hydraulic pumping plant；The pedestal is located at oil
Bottom end cover is packaged with below the bottom of case, the pedestal；The gear pump is embedded in pedestal, and its pump housing is by bolt with being located at it
The oil-distributing plate of top is connected, and its pump shaft is connected through oil-distributing plate and with the motor shaft of oil immersed type motor；The oil immersed type motor
Motor shaft designed using eccentric, there is the plunger pair being radially arranged, the oil immersed type motor can when rotating on the oil immersed type motor
Drive plunger pair reciprocating, to realize oil suction and oil extraction；The plunger pair is made up of and position the plunger of 3 or more than 3
In the top of oil-distributing plate；The oil-distributing plate is fixedly connected with oil immersed type motor and pedestal simultaneously, and the oil-distributing plate is double loop with oil
Plate, it has first pressure oil export and second pressure oil export, the second pressure oil inlet corresponding to gear pump, and multiple
Corresponding to the first pressure oil inlet of plunger quantity；Described multiple first pressure oil inlets are converged by the inner passage of oil-distributing plate
Gather at first pressure oil export；The gear pump is using axially fuel-displaced gear pump, the pressure oil outlet pair of the gear pump
Second pressure oil inlet is answered, and by the inner passage connection second pressure oil export of oil-distributing plate；It is right respectively to have on the pedestal
The first pressure oil export should be connected, the first pedestal pressure oil inlet, the second pedestal pressure oil of second pressure oil export enter
Mouthful；Also there is the first base for being used for that the pressure oil of the close-coupled pump hydraulic pumping plant to be transported to external control valve on the pedestal
The oil return of seat pressure oil export, the second pedestal pressure oil export, system oil return for connecting the close-coupled pump hydraulic pumping plant
Import, and for the system oil return of the close-coupled pump hydraulic pumping plant to be flowed back to the outlet of the oil return in fuel tank；The radiating group
Part is connected with pedestal.
2. close-coupled pump hydraulic pumping plant according to claim 1, it is characterised in that：The radiating subassembly includes upper end
Lid, deflector and oil return pipe；The upper end cover is packaged in the upper end of fuel tank, and the deflector is located at the lower section of the upper end cover；Institute
State one end of oil return pipe with the oil return outlet of pedestal to be connected, the other end is connected with deflector, for by the close-coupled pump hydraulic
The system oil return of pumping plant is delivered to the air deflector positioned at top of oil-tank, makes it contact with upper end cover to carry out after heat exchange again
Return in fuel tank；One way stop peturn valve is provided with the oil return pipe；Radiator fan is additionally provided with above the upper end cover, for upper end
Lid and fuel tank are cooled down.
3. close-coupled pump hydraulic pumping plant according to claim 1, it is characterised in that：The radiating subassembly includes heat radiating type
Upper end cover, oil baffle plate and oil return pipe；The heat radiating type upper end cover is packaged in the upper end of fuel tank, and its bottom is provided with guiding gutter, described
Oil baffle is located at the lower section of the heat radiating type upper end cover；The oil return outlet of one end of the oil return pipe and pedestal is connected, the other end and
Oil baffle is connected, for the system oil return of the close-coupled pump hydraulic pumping plant to be delivered to positioned at the heat radiating type upper end of top of oil-tank
In the guiding gutter of lid, it is set to be contacted with heat radiating type upper end cover to be returned after carrying out heat exchange in fuel tank, the heat radiating type upper end
The top of lid is provided with radiating ribs, for strengthening radiating effect；Radiator fan is additionally provided with above the heat radiating type upper end cover, is used for
Upper end cover and fuel tank are cooled down.
4. the close-coupled pump hydraulic pumping plant according to claim 1 or 2 or 3, it is characterised in that：The gear pump passes through method
Blue mounting surface is directly anchored on oil-distributing plate, the motor shaft phase that its pump shaft passes through spline or flat key or a keyboard and oil immersed type motor
Even.
5. close-coupled pump hydraulic pumping plant according to claim 4, it is characterised in that：The side of the pedestal has control
Valve mounting surface, terminal box mounting hole and drain oil；Purge cock is provided with the drain oil；Pacify in the terminal box mounting hole
Equipped with terminal box, the lead-out wire of the power line of oil immersed type motor, liquid-level switch and temperature switch is all collected in the terminal box.
6. close-coupled pump hydraulic pumping plant according to claim 1, it is characterised in that：The pedestal is aluminium stretching structure.
7. close-coupled pump hydraulic pumping plant according to claim 1, it is characterised in that：The pedestal is die casting constructed of aluminium, its
On the second pedestal pressure oil inlet at there is the pressure casting inlay part of steel.
8. close-coupled pump hydraulic pumping plant according to claim 1, it is characterised in that：The fuel tank uses die casting aluminium knot
Structure, which is provided with oily form, air cleaner and liquid level gauge.
9. close-coupled pump hydraulic pumping plant according to claim 1, it is characterised in that：The oil immersed type motor uses frequency conversion
Motor or conventional motor；The bottom of the oil immersed type motor has front cover shell, and the oil-distributing plate is solid by screw with plunger pair
It is scheduled on the front cover shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710195130.9A CN107061425B (en) | 2017-03-29 | 2017-03-29 | Close-coupled pump hydraulic pumping plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710195130.9A CN107061425B (en) | 2017-03-29 | 2017-03-29 | Close-coupled pump hydraulic pumping plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107061425A true CN107061425A (en) | 2017-08-18 |
| CN107061425B CN107061425B (en) | 2019-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710195130.9A Active CN107061425B (en) | 2017-03-29 | 2017-03-29 | Close-coupled pump hydraulic pumping plant |
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| CN205178700U (en) * | 2015-10-30 | 2016-04-20 | 重庆港乾机械有限公司 | Car fan motor front end housing |
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| CN106015167A (en) * | 2016-07-13 | 2016-10-12 | 哈威油液压技术（上海）有限公司 | Hydraulic pump station of gear pump |
| CN206770323U (en) * | 2017-03-29 | 2017-12-19 | 周承恩 | A kind of close-coupled pump hydraulic pumping plant |
-
2017
- 2017-03-29 CN CN201710195130.9A patent/CN107061425B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN205178700U (en) * | 2015-10-30 | 2016-04-20 | 重庆港乾机械有限公司 | Car fan motor front end housing |
| CN106015200A (en) * | 2016-07-13 | 2016-10-12 | 哈威油液压技术（上海）有限公司 | Plunger-type compact hydraulic pump station |
| CN106015167A (en) * | 2016-07-13 | 2016-10-12 | 哈威油液压技术（上海）有限公司 | Hydraulic pump station of gear pump |
| CN206770323U (en) * | 2017-03-29 | 2017-12-19 | 周承恩 | A kind of close-coupled pump hydraulic pumping plant |
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| CN107061425B (en) | 2019-05-17 |
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Effective date of registration: 20230316 Address after: No. 235, Fangda Road, Xishan Economic and Technological Development Zone, Wuxi City, Jiangsu Province, 214101 Patentee after: Harvey oil hydraulic technology (Wuxi) Co.,Ltd. Address before: 200129 Room 502, No. 42, Lane 1280, Changdao Road, Pudong New Area, Shanghai Patentee before: Zhou Chengen |
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