CN207394333U - Oil changing device - Google Patents
Oil changing device Download PDFInfo
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- CN207394333U CN207394333U CN201721436207.9U CN201721436207U CN207394333U CN 207394333 U CN207394333 U CN 207394333U CN 201721436207 U CN201721436207 U CN 201721436207U CN 207394333 U CN207394333 U CN 207394333U
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Abstract
The utility model is related to a kind of oil changing device for wind power generating set, wind power generating set includes transmission device, and oil changing device includes：Filling line can be connected with transmission device；Oil transportation component, oil transportation component are connected with filling line, can be to filling line conveyance device oil；Artificial intelligence control component, artificial intelligence control component is connected with oil transportation assembly communication, for controlling oil transportation component, monitoring the working condition of oil transportation component and recording the oil transportation data of oil transportation component, and, by the working condition of oil transportation component and oil transportation data sending to central controller, change oil so that oil changing device carries out intelligence to transmission device.The oil changing device that the utility model embodiment provides can carry out intelligent operation of changing oil, simple to operation using process, time saving and energy saving.
Description
Technical field
The utility model is related to safeguard technical field of auxiliary equipment, more particularly to a kind of oil changing device.
Background technology
Wind energy is the most fast renewable green resource of current global evolution, with the propulsion of the strategy of sustainable development, wind energy
It is increasingly taken seriously and is developed.Wind power generating set is to convert wind energy into the power equipment of electric energy.Wind-force is sent out
Transmission device, such as gear-box, yawing speed reducer, variable paddle speed reducer etc. are installed in the cabin or impeller of motor group.Transmission dress
The parts such as the gear, axle and bearing in putting need to be cooled down and lubricated using lubricating oil.However, after using a period of time,
Lubricating oil viscosity can reduce, and lubricating ability declines, it is necessary to more oil change.In the prior art, the means of changing oil be need manpower or
Lubricating oil is promoted to cabin by hanging device, then by manually changing oil to transmission device.Entire process of changing oil is complicated for operation,
It is time-consuming and laborious, and operational data is changed oil by the way of manual record, the degree of automation is low.
Utility model content
The utility model embodiment provides a kind of oil changing device for wind power generating set, can carry out the intelligent behaviour that changes oil
Make, it is simple to operation using process, it is time saving and energy saving.
On the one hand, the utility model embodiment proposes a kind of oil changing device for wind power generating set, wind-power electricity generation
Unit includes transmission device, and oil changing device includes：Filling line can be connected with transmission device；Oil transportation component, oil transportation component with
Filling line is connected, can be to filling line conveyance device oil；Artificial intelligence control component, artificial intelligence control group
Part is connected with oil transportation assembly communication, for controlling oil transportation component, monitoring the working condition of oil transportation component and recording oil transportation component
Oil transportation data and, by the working condition of oil transportation component and oil transportation data sending to central controller, so that oil changing device is to passing
Dynamic device carries out intelligence and changes oil.
According to the one side of the utility model embodiment, oil transportation component includes oil pump, flowmeter and pipeline road, oil transportation
Pipeline includes oil inlet pipe and flowline, and flowline is connected with filling line, and flowmeter is arranged at oil inlet pipe or flowline, oil pump
It is arranged between oil inlet pipe and flowline.
According to the one side of the utility model embodiment, oil transportation component further comprises the first check valve, and first is unidirectional
Valve is arranged at flowline.
According to the one side of the utility model embodiment, oil changing device further comprises gas transmission component, gas transmission component with
Filling line is connected, and can convey gas to filling line；Artificial intelligence control component is connected with gas transmission assembly communication, manually
Intelligent control component is additionally operable to control gas transmission component, monitors the working condition of gas transmission component and record the gas transmission number of gas transmission component
According to and, by the working condition of gas transmission component and gas transmission data sending to central controller.
According to the one side of the utility model embodiment, gas transmission component includes source of the gas, air delivering pipeline and air gauge, source of the gas
And air gauge is arranged at air delivering pipeline and passes through air delivering pipeline and is connected to filling line.
According to the one side of the utility model embodiment, gas transmission component further comprises being arranged at adding on air delivering pipeline
Hot device and/or filter.
According to the one side of the utility model embodiment, oil changing device further comprises shut-off valve, and shut-off valve is arranged at
Between gas transmission component and oil transportation component.
According to the one side of the utility model embodiment, oil changing device further comprises the second check valve, and second is unidirectional
Valve is arranged between shut-off valve and gas transmission component.
According to the one side of the utility model embodiment, oil changing device further comprises fuel reserve tank and recovery pipe,
Oil transportation component is connected with fuel reserve tank, and recovery pipe can be connected with transmission device.
According to the one side of the utility model embodiment, oil changing device further comprises adapter, filling line from
Adapter is both provided with the free end of recovery pipe by holding, filling line and recovery pipe pass through adapter and filled with transmission respectively
Put connection.
According to the one side of the utility model embodiment, artificial intelligence control component includes data recordin module and monitoring
Module, data recordin module and monitoring module are connected with gas transmission assembly communication, data recordin module and monitoring module with it is defeated
Oily assembly communication connection.
According to the oil changing device that the utility model embodiment provides, including filling line, oil transportation component and artificial intelligence
Control assembly.Artificial intelligence control component be able to record same transmission device change oil number, this cleaning transmission device using oil
The data such as amount or this new oil mass of addition.The oil changing device high degree of automation of the present embodiment, it is easy to operate, while can be certainly
Dynamic recording gear oil extraction, cleaning or the data for replacing the fresh oil course of work, in order to which operating personnel transport transmission device
Row state is monitored, and ensures transmission device maintenance quality.
Description of the drawings
The feature of the utility model exemplary embodiment, advantage and technique effect described below with reference to the accompanying drawings.
Fig. 1 is the structure diagram of the oil changing device of one embodiment of the utility model.
In the accompanying drawings, attached drawing is not drawn according to actual ratio.
Description of symbols：
1st, filling line；2nd, oil transportation component；21st, oil pump；22nd, flowmeter；23rd, pipeline road；24th, oil pressure gauge；25th, first
Check valve；3rd, artificial intelligence control component；4th, fuel reserve tank；5th, recovery pipe；6th, adapter；7th, gas transmission component；71st, source of the gas；72、
Air gauge；73rd, air delivering pipeline；74th, heater；75th, filter；76th, the second check valve；8th, shut-off valve；99th, transmission device.
Specific embodiment
The embodiment of the utility model is described in further detail with reference to the accompanying drawings and examples.Following embodiment
The detailed description and the accompanying drawings be used to illustratively illustrate the principle of the utility model, but cannot be used for limiting the model of the utility model
It encloses, i.e., the utility model is not limited to described embodiment.
, it is necessary to which explanation, unless otherwise indicated, " multiple " are meant that two or two in the description of the utility model
More than a；The orientation or position relationship of the instructions such as term " on ", " under ", "left", "right", " interior ", " outer " are for only for ease of and retouch
State the utility model and simplify description rather than instruction or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " first ", " second ",
Etc. be only used for description purpose, and it is not intended that instruction or imply relative importance.
In the description of the utility model, it is also necessary to explanation, unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；It can be directly connected, can also be indirectly connected by intermediary.For the ordinary skill in the art,
Visual concrete condition understands concrete meaning of the above-mentioned term in the utility model.
The utility model in order to better understand carries out the oil changing device of the utility model embodiment with reference to Fig. 1
It is described in detail.
The oil changing device of the utility model embodiment is used for wind power generating set.Wind power generating set includes transmission device
99, such as gear-box, yawing speed reducer and variable paddle speed reducer etc..The transmission device 99 of the present embodiment includes babinet and is arranged at
The in vivo gear set of case.Oil inlet and oil outlet are provided on babinet.99 inside of transmission device is filled with for oilgear group
Lubricating oil.The oil changing device of the present embodiment can be used in 99 oil extraction of transmission device, cleaning or replace fresh oil.
The oil changing device of the utility model embodiment include the filling line 1 that can be connected with transmission device 99 and with note
Enter the oil transportation component 2 that pipeline 1 is connected.Oil changing device can be docked by filling line 1 with the oil inlet of transmission device 99.It is defeated
Oily component 2 can be to 1 output transmission 99 of filling line oil.The grease that oil transportation component 2 exports is conveyed by filling line 1
To inside transmission device 99.
The oil changing device of the utility model embodiment further includes artificial intelligence control component 3.Artificial intelligence control component 3 is used
In the working condition for controlling oil transportation component 2, monitoring oil transportation component 2 and record the oil transportation data of oil transportation component 2.Artificial intelligence control
Component 3 can be by the working condition of oil transportation component 2 and oil transportation data sending to central controller, so that oil changing device is to transmission
Device 99 carries out intelligence and changes oil.The central controller of the present embodiment can be the main controller or ground of wind power generating set
Face long-distance monitorng device.In one example, before oil changing device is used, relevant information is inputted to artificial intelligence control component 3,
Such as 99 model of wind power plant information, wind-driven generator group information and transmission device.Artificial intelligence control component 3 is able to record together
One transmission device 99 change oil number, this cleaning 99 usage amount of transmission device or this add the data such as new oil mass.This implementation
Example oil changing device high degree of automation, can automatically 99 oil extraction of recording gear, clean or renew the oily course of work
Data in order to which operating personnel are monitored 99 operating status of transmission device, ensure 99 maintenance quality of transmission device.
The oil transportation component 2 of the present embodiment includes oil pump 21, flowmeter 22 and pipeline road 23.Pipeline road 23 include into
Oil pipe and flowline.Oil pump 21 is arranged between oil inlet pipe and flowline.Under 21 working condition of oil pump, it can be sucked from oil inlet pipe
Grease, then pump out grease from flowline.Oil pump 21 is connected by flowline with filling line 1, the grease pumped out from flowline
Into filling line 1.Flowmeter 22 is arranged at oil inlet pipe or flowline, for recording the grease total amount into transmission device 99.
Artificial intelligence control component 3 is capable of the start and stop of control oil pump 21, while is also communicated to connect with flowmeter 22, can gather flowmeter
22 data on flows.When oil changing device is used to clean transmission device 99, while the oil quantity for being pumped into transmission device 99 reaches predetermined
During amount, 3 control oil pump 21 of artificial intelligence control component is stopped, and avoids continuing to be pumped into grease into transmission device 99, reach
Grease waste is reduced while corresponding cleaning performance, it is cost-effective.In addition, the data on flows by controlling flowmeter 22, indirectly
Ground controls the clean cycle number of transmission device 99, so as to further control the cleannes of transmission device 99.It changes oil when using
Device injects fresh oil into transmission device 99, while when the oil quantity for being pumped into transmission device 99 reaches predetermined amount, artificial intelligence control
3 control oil pump 21 of component processed is stopped, and oil pump 21 is avoided to continue to be pumped into grease into transmission device 99, reduces grease waste,
It is cost-effective.Optionally, the oil transportation component 2 of the present embodiment further includes oil pressure gauge 24, for measuring oil pressure.
The oil transportation component 2 of the present embodiment further includes the first check valve 25.First check valve 25 is arranged at flowline, by oil transportation
The grease that component 2 to filling line 1 turns on that oil transportation component 2 is prevented to export is back to oil transportation component 2.First check valve 25 includes
Valve seat and spool.Valve seat is towards flowline, and spool is towards filling line 1.Oil pump 21 to during 1 oil transportation of filling line, beat by spool
It opens.Oil pump 21 stops to during 1 oil transportation of filling line, and valve core reset avoids filling line 1 to block oil pump 21 and filling line 1
The grease of side is back to oil pump 21.
The oil changing device of the present embodiment further includes fuel reserve tank 4 and recovery pipe 5.Oil transportation component 2 is connected with fuel reserve tank 4
It connects.Fuel reserve tank 4 is used to store grease.One end of recovery pipe 5 is connected with the oil outlet of transmission device 99, the other end and oil storage
Case 4 is connected.When carrying out oil extraction operation to transmission device 99 using oil changing device, the waste oil in transmission device 99 can be by returning
Closed tube road 5 enters fuel reserve tank 4, and waste oil is avoided to spill and is polluted.Cleaning operation is carried out to transmission device 99 using oil changing device
When, fuel reserve tank 4 is entered by recovery pipe 5 from the cleaning oil and waste oil of the interior discharge of transmission device 99.Use oil changing device pair
When transmission device 99 carries out renewing oil operation, fresh oil is added in fuel reserve tank 4, is then transported to fresh oil by oil transportation component 2
Inside transmission device 99.
The oil changing device of the present embodiment further includes adapter 6.The free end of filling line 1 and the freedom of recovery pipe 5
End is respectively arranged with adapter 6, in order to which filling line 1 is quickly connected or disengages with the oil inlet of transmission device 99, improves work
Make efficiency.
When transmission device 99 being cleaned and changed oil using the oil changing device of the present embodiment, by filling line 1 and recycling
Pipeline 5 is connected with transmission device 99.Oil changing device is after completing to the cleaning of transmission device 99, directly to transmission device 99
It carries out renewing oily operation, during which without dismantling filling line 1 and recovery pipe 5 again, so as to filling line 1 and recovery pipe 5
Always keep connecting with transmission device 99, grease secondary pollution and grease is avoided to omit and spill, while also improves efficiency of changing oil.
The artificial intelligence control component 3 of the present embodiment includes data recordin module and monitoring module.Data recordin module with
Oil transportation component 2 communicates to connect.Data recordin module is believed for 99 model of recording gear, the wind power plant on 99 periphery of transmission device
Breath or the wind-driven generator group information including the transmission device 99.Data recordin module be additionally operable to record oil changing device pass through it is defeated
Number of changing oil, the oil quantity that cleaning transmission device 99 uses every time or the addition every time that oily component 2 carries out transmission device 99
The oil quantity of fresh oil.Monitoring module can monitor the working condition of oil transportation component 2, in order to 3 basis of artificial intelligence control component
The working condition of oil transportation component 2 controls oil transportation component 2.
The oil changing device of the present embodiment further includes gas transmission component 7.Gas transmission component 7 is connected with filling line 1.Gas transmission component
7 can output gas, and export gas can be entered by filling line 1 inside transmission device 99.Using dress of changing oil
It puts when waste discharge oil operation is carried out to transmission device 99, oil transportation component 2 be in halted state, starts gas transmission component 7 with to transmission dress
Put and gas be pumped into 99, so as to increase the pressure inside transmission device 99, and then in accelerating transmission gear 99 waste oil discharge speed
Degree improves waste discharge oil work efficiency.
Artificial intelligence control component 3 is used to control gas transmission component 7, monitors the working condition of gas transmission component 7 and record gas transmission
The gas transmission data of component 7.Artificial intelligence control component 3 can be by the working condition of gas transmission component 7 and oil transportation data sending extremely
Central controller.The central controller of the present embodiment can be the main controller of wind power generating set or ground is remotely supervised
Control device.In one example, before oil changing device is used, 99 information of transmission device, example are inputted to artificial intelligence control component 3
Such as 99 model of wind power plant information, wind-driven generator group information and transmission device.Artificial intelligence control component 3 is able to record same
The data such as 99 displacement of transmission device and gas transmission air pressure.
The gas transmission component 7 of the present embodiment includes source of the gas 71, air gauge 72 and air delivering pipeline 73.Air delivering pipeline 73 include into
Tracheae and air outlet pipe.Source of the gas 71 is arranged between air inlet pipe and air outlet pipe.Under 71 working condition of source of the gas, it can be sucked from air inlet pipe
Gas, then to air outlet pipe output gas.Source of the gas 71 is connected by air outlet pipe with filling line 1, the gas exported from air outlet pipe
Into filling line 1.Air gauge 72 is arranged at air inlet pipe or air outlet pipe, for recording the gas pressure into transmission device 99.
Artificial intelligence control component 3 can control the start and stop of source of the gas 71, while also be communicated to connect with air gauge 72, can gather air gauge
72 pressure data.When oil changing device is used to clean transmission device 99, source of the gas 71 is started, to be inputted to the inside of transmission device 99
Gas so that 99 air pressure inside of transmission device raises, and then contributes to 99 inside waste oil of transmission device more quickly from biography
The oil outlet discharge of dynamic device 99, improves waste oil expulsion efficiency.Optionally, source of the gas 71 is air pump.
The artificial intelligence control component 3 of the present embodiment includes data recordin module and monitoring module.Data recordin module with
Gas transmission component 7 communicates to connect.Data recordin module is believed for 99 model of recording gear, the wind power plant on 99 periphery of transmission device
Breath or the wind-driven generator group information including the transmission device 99.Data recordin module be additionally operable to record oil changing device pass through it is defeated
The gas flow that pneumatic module 7 uses change oil number or each cleaning transmission device 99 that transmission device 99 carries out.Monitoring module
The working condition of gas transmission component 7 can be monitored, in order to which artificial intelligence control component 3 is according to the working condition pair of gas transmission component 7
Gas transmission component 7 is controlled.
The gas transmission component 7 of the present embodiment further includes the heater 74 being arranged on air delivering pipeline 73.Heater 74 can add
Heat enters the gas of gas transmission component 7, to improve gas temperature.After the higher gas of temperature enters 99 inside of transmission device, it can make
Obtaining the waste oil inside transmission device 99 becomes more to dilute, so as to improve waste oil mobility, quickly from transmission device 99
Oil outlet discharge, improve waste oil expulsion efficiency.Optionally, heater 74 can be arranged in air inlet pipe, can also be arranged at
In air outlet pipe.
The gas transmission component 7 of the present embodiment further includes the filter 75 being arranged on air delivering pipeline 73.Filter 75 being capable of mistake
Impurity in air filtration body ensures that the gas entered inside transmission device 99 is pure, and the impurity that gas carries is avoided to enter transmission
Device 99 and potential damage risk is caused to 99 inner components of transmission device.Optionally, filter 75 can be arranged at into
On tracheae, it can also be arranged in air outlet pipe.
Optionally, the gas transmission component 7 of the present embodiment can set having heaters 74 and filter 75 simultaneously.To gas into
While row heating, also gas is filtered.
The oil changing device of the present embodiment further includes shut-off valve 8.Shut-off valve 8 be arranged at gas transmission component 7 and oil transportation component 2 it
Between.Shut-off valve 8 can pass through the break-make of itself control gas transmission component 7 and the break-make and gas transmission component 7 of filling line 1 and oil transportation
The break-make of component 2.When needing to carry out transmission device 99 waste discharge oil operation using oil changing device, shut-off valve 8 is in open shape
State, gas can enter transmission device 99.When needing to be cleaned or renewed oily operation to transmission device 99 using oil changing device
When, shut-off valve 8 is closed so that grease will not be back to gas transmission component 7.
The oil changing device of the present embodiment further includes the second check valve 76.Second check valve 76 is arranged at shut-off valve 8 and gas transmission
Between component 7, the gas backstreaming that gas transmission component 7 is prevented to export is turned on to gas transmission component 7 from gas transmission component 7 to filling line 1.
Second check valve 76 includes valve seat and spool.Valve seat is towards air outlet pipe, and spool is towards filling line 1.Source of the gas 71 is to ascending pipe
During 1 gas transmission of road, spool is opened.Source of the gas 71 stops to during 1 gas transmission of filling line, and valve core reset is to block oil pump 21 and filling line
1, the grease of 1 side of filling line is avoided to be back to source of the gas 71, ensures to use process safety.
The oil changing device of the utility model embodiment, including filling line 1, oil transportation component 2, gas transmission component 7 and manually
Intelligent control component 3.Artificial intelligence control component 3 be able to record same transmission device 99 change oil number, this cleaning transmission dress
99 are put using the data such as oil mass or gas gross or this new oil mass of addition.Oil changing device the degree of automation of the present embodiment
Height, can automatically 99 oil extraction of recording gear, cleaning or replace the fresh oil course of work data, in order to operating personnel couple
99 operating status of transmission device is monitored, and ensures 99 maintenance quality of transmission device.
Although the present utility model has been described by reference to the preferred embodiments, but the model of the utility model is not being departed from
In the case of enclosing, various improvement can be carried out to it and component therein can be replaced with equivalent.Especially, as long as not depositing
In structural conflict, items technical characteristic mentioned in the various embodiments can be combined in any way.The utility model
It is not limited to specific embodiment disclosed herein, but all technical solutions including falling within the scope of the appended claims.
Claims (11)
1. a kind of oil changing device for wind power generating set, the wind power generating set includes transmission device (99), feature
It is, the oil changing device includes：
Filling line (1) can be connected with the transmission device (99)；
Oil transportation component (2), the oil transportation component (2) are connected with the filling line (1), can be to the filling line (1)
Convey the transmission device (99) oil；
Artificial intelligence control component (3), the artificial intelligence control component (3) communicate to connect with the oil transportation component (2), are used for
The oil transportation component (2) is controlled, the working condition of the oil transportation component (2) is monitored and records the oil transportation of the oil transportation component (2)
Data and, by the working condition of the oil transportation component (2) and the oil transportation data sending to central controller so that
The oil changing device carries out intelligence to the transmission device (99) and changes oil.
2. oil changing device according to claim 1, which is characterized in that the oil transportation component (2) includes oil pump (21), flow
(22) and pipeline road (23) are counted, the pipeline road (23) includes oil inlet pipe and flowline, the flowline and the injection
Pipeline (1) is connected, and the flowmeter (22) is arranged at the oil inlet pipe or the flowline, and the oil pump (21) is arranged at institute
It states between oil inlet pipe and the flowline.
3. oil changing device according to claim 2, which is characterized in that the oil transportation component (2) further comprises that first is single
To valve (25), first check valve (25) is arranged at the flowline.
4. oil changing device according to claim 1, which is characterized in that further comprise gas transmission component (7), the gas transmission group
Part (7) is connected with the filling line (1), can convey gas to the filling line (1)；The artificial intelligence control group
Part (3) is communicated to connect with the gas transmission component (7), and the artificial intelligence control component (3) is additionally operable to control the gas transmission component
(7), monitor the working condition of the gas transmission component (7) and record the gas transmission component (7) gas transmission data and, will described in
The working condition of gas transmission component (7) and the gas transmission data sending are to the central controller.
5. oil changing device according to claim 4, which is characterized in that the gas transmission component (7) includes source of the gas (71), air pressure
Table (72) and air delivering pipeline (73), the source of the gas (71) and the air gauge (72) are arranged at the air delivering pipeline (73) and pass through
The air delivering pipeline (73) is connected to the filling line (1).
6. oil changing device according to claim 5, which is characterized in that the gas transmission component (7) further comprises being arranged at
Heater (74) and/or filter (75) on the air delivering pipeline (73).
7. oil changing device according to claim 5, which is characterized in that further comprise shut-off valve (8), the shut-off valve
(8) it is arranged between the gas transmission component (7) and the oil transportation component (2).
8. oil changing device according to claim 7, which is characterized in that further comprise the second check valve (76), described
Two check valves (76) are arranged between the shut-off valve (8) and the gas transmission component (7).
9. oil changing device according to claim 1, which is characterized in that further comprise fuel reserve tank (4) and recovery pipe
(5), the oil transportation component (2) is connected with the fuel reserve tank (4), and the recovery pipe (5) can be with the transmission device
(99) connect.
10. oil changing device according to claim 9, which is characterized in that further comprise adapter (6), the ascending pipe
The free end on road (1) and the free end of the recovery pipe (5) are both provided with the adapter (6), the filling line (1) and
The recovery pipe (5) is connected respectively by the adapter (6) with the transmission device (99).
11. oil changing device according to claim 4, which is characterized in that the artificial intelligence control component (3) includes data
Logging modle and monitoring module, the data recordin module and the monitoring module are communicated to connect with the gas transmission component (7),
The data recordin module and the monitoring module are communicated to connect with the oil transportation component (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721436207.9U CN207394333U (en) | 2017-10-31 | 2017-10-31 | Oil changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721436207.9U CN207394333U (en) | 2017-10-31 | 2017-10-31 | Oil changing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207394333U true CN207394333U (en) | 2018-05-22 |
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ID=62327887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721436207.9U Active CN207394333U (en) | 2017-10-31 | 2017-10-31 | Oil changing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207394333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113735048A (en) * | 2020-05-29 | 2021-12-03 | 清华大学 | Oil injection equipment |
-
2017
- 2017-10-31 CN CN201721436207.9U patent/CN207394333U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113735048A (en) * | 2020-05-29 | 2021-12-03 | 清华大学 | Oil injection equipment |
| CN113735048B (en) * | 2020-05-29 | 2022-08-09 | 清华大学 | Oil injection equipment |
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Address after: No.107 Shanghai Road, Urumqi Economic and Technological Development Zone, Urumqi City, Xinjiang Uygur Autonomous Region Patentee after: Jinfeng Technology Co.,Ltd. Address before: No.107 Shanghai Road, Urumqi Economic and Technological Development Zone, Urumqi City, Xinjiang Uygur Autonomous Region Patentee before: XINJIANG GOLDWIND SCIENCE & TECHNOLOGY Co.,Ltd. |