CN208024833U - Gear-box rare oil pump station - Google Patents
Gear-box rare oil pump station Download PDFInfo
- Publication number
- CN208024833U CN208024833U CN201721916516.6U CN201721916516U CN208024833U CN 208024833 U CN208024833 U CN 208024833U CN 201721916516 U CN201721916516 U CN 201721916516U CN 208024833 U CN208024833 U CN 208024833U
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- Prior art keywords
- valve block
- gear
- liquid
- coupling
- valve
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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.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 claims abstract description 94
- 239000003921 oil Substances 0.000 claims abstract description 55
- 230000008878 coupling Effects 0.000 claims abstract description 50
- 238000010168 coupling process Methods 0.000 claims abstract description 50
- 238000005859 coupling reaction Methods 0.000 claims abstract description 50
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000006073 displacement reaction Methods 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 7
- 230000004308 accommodation Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000006880 cross-coupling reaction Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 1
- 230000000007 visual effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a kind of gear-box rare oil pump stations, including：Liquid reserve tank, main motor, spare motor, first hydraulic pump, second hydraulic pump, first valve block, second valve block, high pressure filter, specified valve and water cooler, wherein, liquid reserve tank stores hydraulic oil, the line shaft of main motor is connected with the driven shaft of the first hydraulic pump by shaft coupling, the line shaft of spare motor is connected with the driven shaft of the second hydraulic pump by shaft coupling, the liquid inlet of first hydraulic pump and the second hydraulic pump is connected to liquid reserve tank, liquid outlet is connected by pipeline with the liquid inlet of the first valve block respectively, first valve block is connected with the liquid inlet of high pressure filter and liquid outlet, the liquid inlet of the liquid outlet connection water cooler of first valve block, the liquid outlet of water cooler is connected to the second valve block, second valve block connects equipment to be driven, it is arranged in first valve block and specifies valve, the line shaft of main motor and spare motor is vertically arranged with liquid reserve tank.The utility model hydraulic pump station structure is compact, substantially reduces occupied space.
Description
Technical field
The utility model is related to a kind of gear-box rare oil pump stations.
Background technology
With the rapid development of China's energy industry, the mating gear-box demand of various electric power factory equipments increasingly increases
More, electric power factory equipment updates also more and more soon, its mating gear-box update and production and application amount is caused rapidly to increase.In electricity
The design of plant associated gear case manufacture and using in link in order to ensure effective working characteristics, the longevity of various reduction boxes
Life, machine driving, the machine driving of bearing such as inner gear of the gear box, in order to improve gearbox medium gear transmission accuracy, by
Power uniformly, reliability, safety, stability and improve gear-box service life, lubricate for each transmission in gear-box
Pair, mechanical transmission component, part all play very important important function, and the only gear-box of core normally works and can just push away
Normal, effective, reliable, the safe continuous work of dynamic electric power factory equipment.However this is just needed through dilute oil lubrication station come to its equipment
Mating various gear-boxes are lubricated, the normal work for driving gear-box steady in a long-term with this.Traditional now is dilute
That all there is equipment volumes in use at oil lubrication station is big, power is big, leakage is big, vibration is big, noise is big, of high cost, pressure not
Stablize, a series of disadvantages such as maintenance cost is big, the service life is low are lost.This is either for manufacturer or client in actual production
All there is huge hidden trouble of equipment and economic risks in using and safeguarding.
Utility model content
The utility model is in order to solve the above technical problems, provide a kind of gear-box rare oil pump station.
In order to achieve the above object, the utility model is achieved through the following technical solutions：
A kind of gear-box rare oil pump station, including：Liquid reserve tank, main motor, spare motor, the first hydraulic pump, the second hydraulic pump,
First valve block, the second valve block, high pressure filter, specified valve and water cooler, wherein liquid reserve tank stores hydraulic oil, main motor
Line shaft is connected with the driven shaft of the first hydraulic pump by shaft coupling, the driven shaft of the line shaft of spare motor and the second hydraulic pump
It is connected by shaft coupling, the liquid inlet of the first hydraulic pump and the second hydraulic pump is connected to liquid reserve tank, and liquid outlet passes through pipe respectively
Road is connected with the liquid inlet of the first valve block, and the first valve block is connected with the liquid inlet of high pressure filter and liquid outlet, the first valve block
Liquid outlet connects the liquid inlet of water cooler, and the liquid outlet of water cooler is connected to the second valve block, and the connection of the second valve block is to be driven
Equipment, in the first valve block setting specify valve, the line shaft of main motor and spare motor is vertically arranged with liquid reserve tank.
High pressure filter pressure limit：16-35MPa.
An embodiment according to the present utility model, the liquid reserve tank include babinet and cover board, magazine ac hydraulic pressure
Oil, the first hydraulic pump and the second hydraulic pump are respectively arranged at the lower section of main motor and spare motor and connect through cover board and babinet
It is logical, gasket is set between babinet and cover board.
The top of an embodiment according to the present utility model, the cover board is equipped with protective cover, and protective cover, which is equipped with, to be held
Receive space, main motor, spare motor, the first valve block, the second valve block, high pressure filter and specified valve are set in accommodation space,
First valve block and the second valve block are located at the upside of accommodation space, and water cooler is connected across protective cover with the second valve block.
An embodiment according to the present utility model, the shaft coupling be plum blossom yielding coupling, flange-face coupling,
Sliding cross coupling, oldham coupling, Hooks coupling universal coupling, gear coupling, roller chain coupling, elastic sleeve pin shaft coupling
Device, elastic dowel pin shaft coupling, star-shaped elastic coupling, tyre coupling, diaphragm coupling, simple shear type safety coupling or double
Scissors-type safety coupling.
An embodiment according to the present utility model, the specified valve are proportional pressure valve, proportional flow control valve or electricity
Magnetic reversal valve.
An embodiment according to the present utility model, the water cooler carry out switch control by manual ball valve.
An embodiment according to the present utility model, the main motor and spare motor are arranged side by side one in cover board
Side, high pressure filter is set to the middle upper part of main motor and spare motor, the first valve block is located at the rear of high pressure filter, the
Two valve blocks are located at the rear of the first valve block and the top positioned at the cover board other side, water cooler hang on the rear side of liquid reserve tank.
An embodiment according to the present utility model, setting flowmeter, pressure gauge and thermometer on the cover board.
Air filter is arranged on the cover board in an embodiment according to the present utility model, and babinet passes through air
Filter is in communication with the outside.
An embodiment according to the present utility model further includes oil stream indicator, one end and the external world of oil stream indicator
It is connected, the other end is communicated with the box body.
An embodiment according to the present utility model further includes liquid-level switch, and liquid-level switch is for monitoring hydraulic oil
Oil level, the external electrical control equipment of liquid-level switch.
An embodiment according to the present utility model, further includes liquid level gauge, and liquid level gauge is used to show the liquid level of hydraulic oil.
An embodiment according to the present utility model further includes temperature switch, and temperature switch is for monitoring hydraulic oil
Temperature, the external electrical control equipment of temperature switch.
An embodiment according to the present utility model further includes electric heater, and electric heater is for heating hydraulic oil, electricity
Heater external connection electrical apparatus pull-switch.
An embodiment according to the present utility model, the hydraulic pump are constant displacement pump.
The front side setting fluid of an embodiment according to the present utility model, the babinet cleans window.
Fuel outlet valve is arranged in the front side of an embodiment according to the present utility model, the babinet.
An embodiment according to the present utility model, the liquid outlet of the liquid outlet and the second valve block of first valve block
On flowmeter is respectively set.
Valve is specified in the utility model setting, is adjusted to the fluid pressure and flow of hydraulic power unit outflow, is improved hydraulic pressure
The flexibility ratio of pumping plant, while can be energy saving.Proportion of installation pressure valve or proportional flow control valve in the first, second valve block, can
Stepless pressure regulation or stepless time adjustment are carried out to the liquid of the first, second valve block oil outlet outflow, make pumping plant trickle pressure or
Flow value consecutive variations, no gear can limit in a certain range.Solenoid directional control valve is installed in the first, second valve block, it can
Traffic organising is carried out to the liquid flowed into the first, second valve block, flows liquid into the specified oil duct in the first, second valve block,
And it is flowed out from specified oil outlet.Hydraulic power unit selects high efficiency motor, and entire system is improved when it being made to be applied to test detected element
The working efficiency and stability of system.Shaft coupling is plum blossom yielding coupling, plays the role of damping, buffering and electrical isolation, is reduced
Noise pollution.First, second valve block is placed on the upside of protective cover so that the oil outlet of the first, second hydraulic pump can be nearest with
First, second valve block is attached, and enhances the compactedness of structure.Air filter is set on cover board, and air enters in vessel
Air cleaner need to be passed through to filter, avoid the liquid in pollution vessel.Oil stream indicator is set, returning from ambient systems of releasing
Fluid.Oil stream indicator can observe the action of its pointer by visual observation, judge whether system fluid is in running order with this.
Setting liquid-level switch and temperature switch, liquid-level switch carry position detecting function, and temperature switch carries temperature detecting function, the two
It is connect respectively with external electrical control device, to hydraulic oil oil level and temperature of the monitoring in babinet, realizes remote auto
Monitoring function.Water cooler and electric heater are set, oil liquid temperature is controlled.The hydraulic power unit that utility model provides, by will be electric
The elements such as machine, the first, second valve block, high pressure filter, flowmeter are arranged in the upside of liquid reserve tank, keep hydraulic pump station structure tight
It gathers, substantially reduces occupied space.The line shaft of motor is vertically arranged with liquid reserve tank, and it is longitudinal empty to take full advantage of liquid reserve tank
Between, further reduce the volume of hydraulic power unit.Setting high pressure filter keeps the cleannes of fluid, carries for cleaning fluid
Performance, safety, stability and the service life of high system element.
Description of the drawings
Fig. 1 is the outline drawing of the utility model；
Fig. 2 is the stereogram for removing the right side perspective after protective cover of the utility model；
Fig. 3 is the stereogram for removing the front side visual angle after protective cover of the utility model；
Fig. 4 is the stereogram for removing the rear side visual angle after protective cover of the utility model；
Fig. 5 is the stereogram for removing cover board of the utility model；
Fig. 6 is the explosive view of the utility model.
Specific implementation mode
The utility model is described in detail below in conjunction with the accompanying drawings：
If Fig. 1 to Fig. 6 shows, the present embodiment gear-box rare oil pump station, including：It is protective cover 19, liquid reserve tank 20, main motor 1, standby
With motor 2, the first, second constant displacement pump 41,42 and the first valve block 71, the second valve block 72.Liquid reserve tank 20 includes the case equipped with vessel
Body 18 and cover board 17, cover board 17 are closed to the top of babinet 18, gasket 26 are arranged between the two, babinet 18 is for storing hydraulic pressure
Oil.Protective cover 19 is set to the top of cover board 17.Protective cover 19 and babinet 18 are cube.
Main motor 1, spare motor 2 and the first, second constant displacement pump 41,42 are located at the top of 20 cover board 17 of liquid reserve tank, first,
Second constant displacement pump 41,42 is connected to through cover board 17 with 18 vessel of babinet.Main motor 1, the line shaft of spare motor 2 and first,
The driven shaft of two constant displacement pumps 41,42 is connected correspondingly by Quincunx elastic coupler 3, passes through main motor 1, spare motor
2 line shaft rotation driving the first, second constant displacement pump 41,42 work.Main motor 1, the line shaft of spare motor 2 and first,
The shaft coupling that other forms also can be used in the driven shaft of two constant displacement pumps 41,42 is attached, as flange-face coupling, crosshead shoe join
Axis device, oldham coupling, Hooks coupling universal coupling, gear coupling, roller chain coupling, rubbercushioned sleeve bearing coupling, spring column pin
Shaft coupling, star-shaped elastic coupling, tyre coupling, diaphragm coupling, simple shear type or double shear type safety coupling etc..Motor 11
It is vertically arranged respectively with the first, second constant displacement pump 41,42.Main motor 1 and the first constant displacement pump 41, spare motor 2 and second are fixed
Setting bell cover 2.2 between amount pump 42.
The present embodiment further includes high pressure filter 8 and water cooler 16, and the first, second valve block 71,72 is placed in protective cover
19 upsides so that the first, second constant displacement pump 41,42 oil outlets nearest can be attached with the first, second valve block 71,72, be increased
The strong compactedness of structure.First, second constant displacement pump 41,42 is equipped with liquid inlet 5, liquid outlet 6.Liquid inlet 5 passes through hard tube and case
Body 18 is connected to；Liquid outlet 6 is connected to by sebific duct 91,92 with the liquid inlet of the first valve block 71；First valve block 71 and high pressure filter 8
Liquid inlet be connected with liquid outlet, the liquid inlet of the liquid outlet of the first valve block 71 connection water cooler 16, water cooler 16 goes out
Liquid mouth is connected to the second valve block 72 across protective cover 19, and specified valve (not shown) can be arranged in the first valve block 71.Specified valve can be with
It is proportional pressure valve, proportional flow control valve or solenoid directional control valve.Water cooler 16 carries out switch control by manual ball valve 24, with this
To control the oil liquid temperature in babinet 18.
Air filter 14 is set on the cover board 17, and babinet 18 is in communication with the outside by air filter 14.Air
Pass through air filter 14 into 18 domestic demand of babinet, avoids the hydraulic oil in pollution babinet 18, it is miscellaneous in hydraulic oil to avoid
Matter pollutes equipment to be driven.
The present embodiment further includes oil stream indicator 11, and oil stream indicator 11 is set on cover board 17, oil stream indicator 11
One end is connected with the external world, and the other end is connected with babinet 18, the oil return fluid from ambient systems of releasing.Oil stream indicator 11
The action that its pointer can be observed by visual observation judges whether system fluid is in running order with this.The first valve block of the present embodiment
71, two flowmeters 251,252 are respectively set on liquid outlet and the liquid outlet of the second valve block 72, detect the flow of fluid.
The present embodiment further includes liquid-level switch 12 and two temperature switches 131,132, liquid-level switch 12 and temperature switch
131, it 132 may be contained on cover board 17, liquid-level switch 12 is used to monitor the oil level of hydraulic oil, 12 external electrical control of liquid-level switch
Equipment, when liquid-level switch 12 detects that the oil level of hydraulic oil is too low, external electrical control equipment can control extraneous fluid input
Babinet 18.Temperature switch 131,132 is used to monitor the temperature of hydraulic oil, temperature switch 131,132 external electrical control equipments.Liquid
Bit switch 12 and temperature switch 131,132 monitor hydraulic oil oil level and temperature in vessel 18 respectively, realize remote auto
Monitoring function.
The present embodiment further includes liquid level gauge 21, and liquid level gauge 21 is used to show the liquid level of hydraulic oil.Liquid level gauge 21 is set to case
The front side operating personnel of body 18 can observe the two position of hydraulic oil in babinet 18 by liquid level gauge 21.When hypovolia,
Hydraulic oil can be added by air filter 14.The front side of the babinet 18 also sets up fluid cleaning window 22, babinet 18
Front side also sets up fuel outlet valve 23.
The present embodiment further includes electric heater 15, and electric heater 15 is for heating hydraulic oil, 15 external connection electrical apparatus of electric heater
Pull-switch.Electric heater 15 is set to the right side of babinet 18.Operating personnel can be controlled by external electric appliance pull-switch
The on off state of electric heater 15 controls the oil liquid temperature in babinet 18 with this.
In the present embodiment, main motor 1, spare motor 2 are set to the first side of cover board 17, the first, second valve block 71,72
It is set to the second side of cover board 17, high pressure filter 8 is set to the middle upper part of main motor 1, spare motor 2, two temperature
Switch 131,132 is set to the third side of cover board 17, and water cooler 16 hangs on the rear side of babinet 18.
The present embodiment is in use, main motor 1 drives the first constant displacement pump 41, the first constant displacement pump 41 to extract the hydraulic pressure in babinet 18
Oil, hydraulic oil are sent by sebific duct 91 in the first valve block 71, the first valve block 71 are returned to through high pressure filter 8, using water cooling
Device 16 flows into the second valve block 72 after cooling down, then from the output of the second valve block 72 to setting to be driven.When main motor 1 damages, standby electricity
Machine 2 works, and drives the second constant displacement pump 42, hydraulic oil is sent by sebific duct 92 in the first valve block 71, through high pressure filter 8, water cooling
But device 16 and the second valve block 72 are exported to setting to be driven.Ensure effective work of hydraulic power unit in this way.
The embodiments of the present invention are only used for illustrating the utility model, do not constitute to right
Limitation, other substantially equivalent replacements that those skilled in that art are contemplated that, in scope of protection of the utility model
It is interior.
Claims (18)
1. a kind of gear-box rare oil pump station, which is characterized in that including：Liquid reserve tank, main motor, spare motor, the first hydraulic pump,
Two hydraulic pumps, the first valve block, the second valve block, high pressure filter, specified valve and water cooler, wherein liquid reserve tank stores hydraulic oil,
The line shaft of main motor is connected with the driven shaft of the first hydraulic pump by shaft coupling, the line shaft of spare motor and the second hydraulic pump
Driven shaft by shaft coupling be connected, the liquid inlet of the first hydraulic pump and the second hydraulic pump be connected to liquid reserve tank, liquid outlet divide
It is not connected with the liquid inlet of the first valve block by pipeline, the first valve block is connected with the liquid inlet of high pressure filter and liquid outlet, the
The liquid inlet of the liquid outlet connection water cooler of one valve block, the liquid outlet of water cooler are connected to the second valve block, and the second valve block connects
Driving equipment is received, is arranged in the first valve block and specifies valve, the line shaft of main motor and spare motor is vertically arranged with liquid reserve tank.
2. gear-box rare oil pump station according to claim 1, which is characterized in that the liquid reserve tank includes babinet and lid
Plate, magazine ac hydraulic oil, the first hydraulic pump and the second hydraulic pump are respectively arranged at the lower section of main motor and spare motor and pass through
It wears cover board to be connected to babinet, gasket is set between babinet and cover board.
3. gear-box rare oil pump station according to claim 2, which is characterized in that the top of the cover board is equipped with protection
Cover, protective cover are equipped with accommodation space, and main motor, spare motor, the first valve block, the second valve block, high pressure filter and specified valve are set
It is placed in accommodation space, the first valve block and the second valve block are located at the upside of accommodation space, and water cooler passes through protective cover and second
Valve block is connected.
4. gear-box rare oil pump station according to claim 1, which is characterized in that the shaft coupling is plum blossom elasticity shaft coupling
Device, flange-face coupling, sliding cross coupling, oldham coupling, Hooks coupling universal coupling, gear coupling, roller chain coupling, bullet
Property set pin coupler, elastic dowel pin shaft coupling, star-shaped elastic coupling, tyre coupling, diaphragm coupling, simple shear type safety
Shaft coupling or double shear type safety coupling.
5. gear-box rare oil pump station according to claim 1, which is characterized in that the specified valve be proportional pressure valve,
Proportional flow control valve or solenoid directional control valve.
6. gear-box rare oil pump station according to claim 1 or 5, which is characterized in that the water cooler passes through manual
Ball valve carries out switch control.
7. gear-box rare oil pump station according to claim 1,2 or 3, which is characterized in that the main motor and standby electricity
Machine is arranged side by side in the side of cover board, and high pressure filter is set to the middle upper part of main motor and spare motor, the first valve block position
In the rear of high pressure filter, the second valve block is located at the rear of the first valve block and the top positioned at the cover board other side, water cooler
Hang on the rear side of liquid reserve tank.
8. gear-box rare oil pump station according to claim 7, which is characterized in that flowmeter, pressure are arranged on the cover board
Power table and thermometer.
9. gear-box rare oil pump station according to claim 7, which is characterized in that air filtration is arranged on the cover board
Device, babinet are in communication with the outside by air filter.
10. gear-box rare oil pump station according to claim 1, which is characterized in that further include oil stream indicator, oil stream instruction
One end of device is connected with the external world, and the other end is communicated with the box body.
11. gear-box rare oil pump station according to claim 1, which is characterized in that further include liquid-level switch, liquid-level switch is used
In the oil level of monitoring hydraulic oil, the external electrical control equipment of liquid-level switch.
12. gear-box rare oil pump station according to claim 1, which is characterized in that further include liquid level gauge, liquid level gauge is for showing
Show the liquid level of hydraulic oil.
13. gear-box rare oil pump station according to claim 1, which is characterized in that further include temperature switch, temperature switch is used
In the temperature of monitoring hydraulic oil, the external electrical control equipment of temperature switch.
14. gear-box rare oil pump station according to claim 1, which is characterized in that further include electric heater, electric heater is used
In heating hydraulic oil, electric heater external connection electrical apparatus pull-switch.
15. gear-box rare oil pump station according to claim 7, which is characterized in that the hydraulic pump is constant displacement pump.
16. gear-box rare oil pump station according to claim 2, which is characterized in that fluid is arranged in the front side of the babinet
Clean window.
17. gear-box rare oil pump station according to claim 2, which is characterized in that the front side setting of the babinet is drained the oil
Valve.
18. gear-box rare oil pump station according to claim 1, which is characterized in that the liquid outlet of first valve block and
Flowmeter is respectively set on the liquid outlet of second valve block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721916516.6U CN208024833U (en) | 2017-12-31 | 2017-12-31 | Gear-box rare oil pump station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721916516.6U CN208024833U (en) | 2017-12-31 | 2017-12-31 | Gear-box rare oil pump station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208024833U true CN208024833U (en) | 2018-10-30 |
Family
ID=63901542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721916516.6U Expired - Fee Related CN208024833U (en) | 2017-12-31 | 2017-12-31 | Gear-box rare oil pump station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208024833U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848207A (en) * | 2019-10-21 | 2020-02-28 | 辉禄美（北京）科技有限公司 | Container type hydraulic pump station |
-
2017
- 2017-12-31 CN CN201721916516.6U patent/CN208024833U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848207A (en) * | 2019-10-21 | 2020-02-28 | 辉禄美（北京）科技有限公司 | Container type hydraulic pump station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181030 |
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| CF01 | Termination of patent right due to non-payment of annual fee |