CN110080733A - Underground dosing executive device - Google Patents
Underground dosing executive device Download PDFInfo
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- CN110080733A CN110080733A CN201910491690.8A CN201910491690A CN110080733A CN 110080733 A CN110080733 A CN 110080733A CN 201910491690 A CN201910491690 A CN 201910491690A CN 110080733 A CN110080733 A CN 110080733A
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- 239000007788 liquid Substances 0.000 claims abstract description 54
- 239000012530 fluid Substances 0.000 claims abstract description 45
- 238000004146 energy storage Methods 0.000 claims abstract description 29
- 238000002347 injection Methods 0.000 claims abstract description 26
- 239000007924 injection Substances 0.000 claims abstract description 26
- 239000003814 drug Substances 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 239000002828 fuel tank Substances 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 15
- 239000003921 oil Substances 0.000 abstract description 88
- 239000010720 hydraulic oil Substances 0.000 abstract description 21
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000010727 cylinder oil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000001647 drug administration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/06—Methods or apparatus for cleaning boreholes or wells using chemical means for preventing or limiting, e.g. eliminating, the deposition of paraffins or like substances
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
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- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fluid-Pressure Circuits (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention discloses a kind of underground dosing executive device, comprising: oil liquid compensation mechanism includes input hydraulic cylinder and the fuel tank that connect with the oil inlet of input hydraulic cylinder；The oil inlet of hydraulic pump and the oil outlet of input hydraulic cylinder connect；Elastic energy storage element is equipped in output hydraulic pressure cylinder；Piston in injection hydraulic cylinder is divided into oil pocket and medicine cavity, and oil pocket is connect with the oil outlet of output hydraulic pressure cylinder, and medicine cavity is respectively equipped with medical fluid suction inlet and medical liquid discharge port.Thrust or pulling force of the hydraulic oil to piston can be converted into return elastic energy storage by the elastic energy storage element in output hydraulic pressure cylinder, medical fluid in medicine cavity is injected into higher-pressure region oil pipe, when hydraulic pump stopping is pumped into, it is resetted rapidly under the action of the piston of output hydraulic pressure cylinder is in elastic energy storage element, stop injection immediately, the negative pressure of generation promotes medical fluid to suck from the medicine company suction inlet of injection hydraulic cylinder, realizes controlled quantitative dosing and unpowered extraction medical fluid, avoids blocking.
Description
Technical field
The invention belongs to oil-gas mining fields, more particularly, to a kind of underground dosing executive device.
Background technique
The main dosing method of field of petroleum exploitation includes well head medicine-adding mode and underground dosing method at present.Wherein, well
The problems such as there are liquid wastes for mouth dosing method seriously, dosing process check and efficacy of drug administration is low, and traditional mechanical underground
There is the problems such as quantitative control is difficult, the dosing period is short, easy generation blocks, maintenance period is short in dosing method.
Accordingly, it is desirable to provide a kind of underground dosing executive device, realize quantitatively control dosing and it is unpowered take medicine function, keep away
Exempt to block.
Summary of the invention
In order to preferably meet the needs of oil-gas mining, a kind of underground dosing executive device is provided, being easy to implement underground has
The quantitative dosing of control and unpowered take medicine function.
To achieve the goals above, of the invention to propose a kind of underground dosing executive device, comprising: oil liquid compensation mechanism,
The oil liquid compensation mechanism includes input hydraulic cylinder and the fuel tank that connect with the oil inlet of the input hydraulic cylinder；
Hydraulic pump, the oil inlet of the hydraulic pump are connect with the oil outlet of the input hydraulic cylinder；
Output hydraulic pressure cylinder, is equipped with elastic energy storage element in the output hydraulic pressure cylinder, one end of the elastic energy storage element with
One side surface of the piston in the output hydraulic pressure cylinder connects, the other end output hydraulic pressure cylinder opposite with a side surface
Inner wall connection, the oil outlet of the hydraulic pump connect with the oil inlet of the output hydraulic pressure cylinder；
Injection hydraulic cylinder, the piston in the injection hydraulic cylinder are divided into oil pocket and medicine cavity, the oil pocket with it is described
The oil outlet of output hydraulic pressure cylinder connects, and the medicine cavity is respectively equipped with medical fluid suction inlet and medical liquid discharge port.
It preferably, further include by-pass throttle valve, one end of the by-pass throttle valve is gone out by pipeline and the hydraulic pump
The other end of hydraulic fluid port connection, the by-pass throttle valve is connect by pipeline with the oil liquid compensation mechanism.
Preferably, the input hydraulic cylinder includes the first input hydraulic cylinder and the oil outlet with first input hydraulic cylinder
Concatenated second input hydraulic cylinder.
Preferably, the output hydraulic pressure cylinder includes the first output hydraulic pressure cylinder connecting with the oil outlet of the hydraulic pump, with
And the concatenated second output hydraulic pressure cylinder of oil outlet with the first output hydraulic pressure cylinder, the elastic energy storage element are set to described
In second output hydraulic pressure cylinder.
Preferably, the piston in the second output hydraulic pressure cylinder is divided into first chamber and second chamber, the bullet
Property energy-storage travelling wave tube is set in the first chamber or the second chamber, one end of the elastic energy storage element and described second
The piston of output hydraulic pressure cylinder connects, and the other end is connect with the inner wall of the second output hydraulic pressure cylinder.
Preferably, the medical fluid that the medical fluid suction inlet is equipped with the first unidirectional valve group and connect with the described first unidirectional valve group
Case fills medical fluid in the spray tank, and the first unidirectional valve group is connected in series by multiple check valves.
Preferably, first filter is equipped between the inlet and the spray tank of the described first unidirectional valve group.
Preferably, the medical liquid discharge port is equipped with second one-way valve group, and the second one-way valve group is by multiple check valve strings
Join.
Preferably, the liquid outlet of the second one-way valve group is equipped with the second filter.
It preferably, further include motor, the motor is connect with the hydraulic pump, for driving the hydraulic pump to rotate.
The beneficial effects of the present invention are: the hydraulic oil of oil liquid compensation mechanism is injected by hydraulic pump by hydraulic pump
Thrust or pulling force of the hydraulic oil to piston can be converted into return by output hydraulic pressure cylinder, the elastic energy storage element in output hydraulic pressure cylinder
Elastic energy storage, output hydraulic pressure cylinder are connect with injection hydraulic cylinder, and the medical fluid in medicine cavity is injected into higher-pressure region oil pipe, when hydraulic pump stops
It when being only pumped into, is resetted rapidly under the action of the piston of output hydraulic pressure cylinder is in elastic energy storage element, stops injection immediately, generated
Negative pressure promote medical fluid from the medicine company suction inlet of injection hydraulic cylinder suck, realize controlled quantitative dosing and unpowered extraction
Medical fluid avoids blocking, while the working fluid in hydraulic pump is isolated with having the medical fluid of corrosion row, can be guaranteed hydraulic
The service life of pump.
Other features and advantages of the present invention will then part of the detailed description can be specified.
Detailed description of the invention
The present invention will be described in more detail below with reference to accompanying drawings.Although showing preferred implementation side of the invention in attached drawing
Formula, however, it is to be appreciated that may be realized in various forms the present invention without that should be limited by the embodiments set forth herein.Phase
Instead, these embodiments are provided so that the present invention is more thorough and complete, and can be by the scope of the present invention completely
It is communicated to those skilled in the art.
Fig. 1 shows the structural schematic diagram of dosing executive device in underground according to an embodiment of the invention.
Description of symbols:
1, fuel tank；2, the first input hydraulic cylinder；3, the second input hydraulic cylinder；4, by-pass throttle valve；5, hydraulic pump；6, electric
Machine；7, the first output hydraulic pressure cylinder；8, the second output hydraulic pressure cylinder；9, injection hydraulic cylinder；10, second one-way valve group；11, first is unidirectional
Valve group；12, first filter；13, spray tank；14, spring；81, first chamber；82, second chamber；91, oil pocket；92, medicine cavity.
Specific embodiment
The preferred embodiment of the present invention is described in more detail below.Although the following describe preferred implementations of the invention
Mode, however, it is to be appreciated that may be realized in various forms the present invention without that should be limited by the embodiments set forth herein.Phase
Instead, these embodiments are provided so that the present invention is more thorough and complete, and can be by the scope of the present invention completely
It is communicated to those skilled in the art.
A kind of underground dosing executive device according to an embodiment of the present invention, comprising:
Oil liquid compensation mechanism, oil liquid compensation mechanism include input hydraulic cylinder and the oil that connect with the oil inlet of input hydraulic cylinder
Case；Hydraulic pump, the oil inlet of hydraulic pump and the oil outlet of input hydraulic cylinder connect；Output hydraulic pressure cylinder is equipped in output hydraulic pressure cylinder
One end of elastic energy storage element, elastic energy storage element is connect with a side surface of the piston in output hydraulic pressure cylinder, the other end and one
The inner wall of the opposite output hydraulic pressure cylinder in side surface connects, and the oil outlet of hydraulic pump is connect with the oil inlet of output hydraulic pressure cylinder；Injection
Hydraulic cylinder, the piston in injection hydraulic cylinder are divided into oil pocket and medicine cavity, and oil pocket is connect with the oil outlet of output hydraulic pressure cylinder, medicine
Chamber is respectively equipped with medical fluid suction inlet and medical liquid discharge port.
When executing dosing work, the hydraulic oil in fuel tank is sucked from oil liquid compensation mechanism and changes into height by hydraulic pump operating
Pressure, high pressure liquid pressure oil enter output hydraulic pressure cylinder from the oil outlet of hydraulic pump, push its piston mobile, the elasticity in output hydraulic pressure cylinder
Thrust or pulling force of the hydraulic oil to piston can be converted into return elastic energy storage by energy-storage travelling wave tube, and hydraulic oil is from output hydraulic pressure cylinder
Oil outlet squeezes into the oil pocket of injection hydraulic cylinder, and the piston of injection hydraulic cylinder is pushed to infuse the medical fluid in its medicine cavity from medical liquid discharge port
Enter the higher-pressure region of oil pipe, to complete the function of medical fluid injection.
When system is powered down shuts down, the piston of output hydraulic pressure cylinder resets under the effect of elastic energy storage element, will be hydraulic
Oil squeezes back in hydraulic pump, and hydraulic pump reversion, due to the piston reset of output cylinder, the negative pressure of generation promotes the work of injection hydraulic cylinder
Plug back moves, and medical fluid is out of, medical agent inhalation port enters injection hydraulic cylinder medicine cavity, to complete the function of sucking medical fluid.It is preferred that
Ground further includes motor, and motor is connect with hydraulic pump, for driving hydraulic pump to rotate.
It preferably, further include motor, motor is connect with hydraulic pump, for driving hydraulic pump to rotate.
It preferably, further include retarder, retarder is set between motor and the hydraulic pump.
Specifically, when which is powered on, motor is rotated by setting speed, if driving hydraulic pump motor driven is turned round
Square ability is not able to satisfy the work requirements of hydraulic pump, increases retarder between motor and hydraulic pump, increases motor driving torque,
So that hydraulic pump can overcome resistance to operate.
It preferably, further include by-pass throttle valve, one end of by-pass throttle valve is fuel-displaced by pipeline and hydraulic pump
The other end of mouth connection, by-pass throttle valve is connect by pipeline with oil liquid compensation mechanism.
Specifically, the oil outlet of hydraulic pump is communicated with by-pass throttle valve and output hydraulic pressure cylinder, and small part oil liquid is via bypass
Throttle valve flows back to hydraulic pump low pressure chamber, and most of hydraulic oil enters output hydraulic pressure cylinder and pushes piston motion.When hydraulic pump stops transporting
When turning, the piston elastic energy storage in output hydraulic pressure cylinder is released, and makes the piston reset in output hydraulic pressure cylinder, and hydraulic oil is passed through side
Logical throttle valve flows back to oil liquid compensation mechanism.
Hydraulic pump operating, by hydraulic oil from oil liquid compensation mechanism sucking change into high pressure, at this time the piston of input hydraulic cylinder from
Dynamic movement carries out oil liquid compensation to it, and small part hydraulic oil flows into the low pressure line of by-pass throttle valve, most of hydraulic oil into
Enter output cylinder and push piston motion, and then pushes the piston motion of injection hydraulic cylinder.
When system is powered down shuts down, the piston of output cylinder resets under the effect of elastic energy storage element, will be a part of
Hydraulic oil squeezes back hydraulic pump, and another part hydraulic oil flows back to oil liquid compensation mechanism by bypass throttle valve.
Preferably, input hydraulic cylinder includes the first input hydraulic cylinder and the oil outlet string with the first input hydraulic cylinder
Second input hydraulic cylinder of connection.
Specifically, the second input hydraulic cylinder is communicated with the oil inlet of hydraulic pump, provides oil liquid needed for pump oil for it.When second
When the oil inlet junction liquid of input hydraulic cylinder and hydraulic pump is reduced, the piston of the second input hydraulic cylinder and the first input hydraulic cylinder
Piston can adaptability it is mobile, to compensate oil liquid loss.
Preferably, output hydraulic pressure cylinder includes the first output hydraulic pressure cylinder connecting with the oil outlet of hydraulic pump, and
With the concatenated second output hydraulic pressure cylinder of oil outlet of the first output hydraulic pressure cylinder, elastic energy storage element is set to the second output hydraulic pressure cylinder
Interior, two-stage hydraulic cylinder series connection, the hydraulic oil being pumped into pushes the piston and the second output hydraulic pressure cylinder of the first output hydraulic pressure cylinder step by step
Piston motion is conducive to the higher-pressure region that medical fluid is injected to oil pipe.
Preferably, the piston in the second output hydraulic pressure cylinder is divided into first chamber and second chamber, elasticity
Energy-storage travelling wave tube is set in first chamber or second chamber, and the piston of one end of elastic energy storage element and the second output hydraulic pressure cylinder connects
It connects, the other end is connect with the inner wall of the second output hydraulic pressure cylinder.
As an example, elastic energy storage element be spring, the second chamber for being set to the second output hydraulic pressure cylinder of spring,
The first chamber that hydraulic oil enters the second output hydraulic pressure cylinder pushes piston mobile to second chamber, and the spring in second chamber is pressed
Contracting energy storage, for second chamber by the oil pocket of hydraulic oil push-in injection hydraulic cylinder, piston is mobile to its medicine cavity, and medical fluid is injected into oil pipe
High-pressure area.
As an example, when hydraulic pump shuts down, the second output hydraulic pressure cylinder pushes piston multiple under the action of the spring
Position, oil liquid is squeezed back in the first output hydraulic pressure cylinder, the hydraulic oil in the first output hydraulic pressure cylinder flows back to oil liquid by bypass throttle valve
Compensation mechanism.And at this time due to the piston reset of the second output hydraulic pressure cylinder, the negative pressure of generation promotes to infuse the piston of injection hydraulic cylinder
It back moves, the medical fluid in spray tank is entered in medicine cavity by medical fluid suction inlet, to complete the function of sucking medical fluid.
Preferably, the spray tank that medical fluid suction inlet is equipped with the first unidirectional valve group and connect with the first unidirectional valve group,
Medical fluid is filled in spray tank, the first unidirectional valve group is connected in series by multiple check valves.
As an example, the first unidirectional valve group by three groups of unidirectional valve groups of series connection at, made of anticorrosion material, utilize
The series connection of three valves carries out Redundancy Design, improves the reliability of system inlet.
As an example, which is installed on underground oil sets annular space, is full of in oil sets annular space
Medical fluid (PH:7~10 or 1~4), oil sets annular space is spray tank.Oil pipe includes air-fuel mixture fluid, and oil is crude oil, tool
It is corrosive, fluid-mixing contains a small amount of carbon dioxide and hydrogen sulfide.
It as an example, further include electronic control unit, hydraulic pump is controlled by electronic control unit and run, will be in oil sets annular space
Medical fluid be injected into oil pipe by the dosing executive device.
Preferably, first filter is equipped between the inlet and spray tank of the first unidirectional valve group.
Specifically, the medical fluid in the medicine cavity for entering injection hydraulic cylinder is filtered, guarantees the mistake for entering the medical fluid of medicine cavity
Precision is filtered, the component at blocking medical fluid suction inlet is avoided.
Preferably, medical liquid discharge port is equipped with second one-way valve group, and second one-way valve group is connected by multiple check valves
It forms.
Preferably, second one-way valve group equally by three groups of unidirectional valve groups of series connection at, made of anticorrosion material,
It is designed using three valve series redundancies, improves the component reliability at medical liquid discharge port.
Preferably, the liquid outlet of second one-way valve group is equipped with the second filter.The rear end of second one-way valve group is set
Filter is set, prevents liquid from flowing backward and blocking second one-way valve group.
Embodiment
Fig. 1 shows the structural schematic diagram of dosing executive device in underground according to an embodiment of the invention.Such as Fig. 1 institute
Show, embodiment provides a kind of underground dosing executive device, comprising:
Oil liquid compensation mechanism, oil liquid compensation mechanism include input hydraulic cylinder and the oil that connect with the oil inlet of input hydraulic cylinder
Case 1, input hydraulic cylinder include the first input hydraulic cylinder 2 and the concatenated second input liquid of oil outlet with the first input hydraulic cylinder 2
Cylinder pressure 3；Hydraulic pump 5, the oil inlet of hydraulic pump 5 are connect with the oil outlet of the second input hydraulic cylinder 2；Output hydraulic pressure cylinder exports liquid
Cylinder pressure includes the first output hydraulic pressure cylinder 7 connecting with the oil outlet of hydraulic pump 5, and the oil outlet with the first output hydraulic pressure cylinder 7
Concatenated second output hydraulic pressure cylinder 8, spring 14 are set in the second output hydraulic pressure cylinder 8, and 8 piston will in the second output hydraulic pressure cylinder
It is separated into first chamber 81 and second chamber 82, and spring 14 is set in second chamber 82, one end of spring 14 and second defeated
The piston connection of hydraulic cylinder 8, the other end are connect with the inner wall of the second output hydraulic pressure cylinder 8 out.
Injection hydraulic cylinder 9, the piston in injection hydraulic cylinder 9 are divided into oil pocket 91 and medicine cavity 92, oil pocket 91 and second
The oil outlet of output hydraulic pressure cylinder 8 connects, and medicine cavity 92 is respectively equipped with medical fluid suction inlet and medical liquid discharge port.Medical fluid suction inlet is equipped with the
One unidirectional valve group 11 and the spray tank 13 connecting with the first unidirectional valve group 11 fill medical fluid, the first unidirectional valve group in spray tank 13
11 are connected in series by multiple check valves.First filter 12 is equipped between the inlet and spray tank 13 of first unidirectional valve group 11.
Medical liquid discharge port is equipped with second one-way valve group 10, and second one-way valve group 10 is connected in series by multiple check valves.Second one-way valve group
10 liquid outlet is equipped with the second filter (not shown).
It further include by-pass throttle valve 4, one end of by-pass throttle valve 4 is connect with the oil outlet of hydraulic pump 5 by pipeline, bypassed
The other end of throttle valve 4 is connect by pipeline with oil liquid compensation mechanism.It further include motor 6, motor 6 connect with hydraulic pump 5, is used for
Hydraulic pump 6 is driven to rotate.
When system works, motor 6 drives hydraulic pump 5 to operate, and hydraulic oil is changed into height from the sucking of the second input hydraulic cylinder 3
Pressure, the piston of the first input hydraulic cylinder 2 automatically moves and carries out oil liquid compensation to it at this time, and small part hydraulic oil is from by-pass throttle valve
In 4 low pressure line, most of hydraulic oil enters the first output hydraulic pressure cylinder 7 and pushes piston motion, and then pushes the second output liquid
8 piston motion of cylinder pressure, makes spring 14 store elastic potential energy by compression, and the oil liquid that 8 piston of the second output hydraulic pressure cylinder squeezes out pushes note
The piston of medical fluid cylinder pressure 9 is mobile, passes through the second one-way valve group 10 of medical liquid discharge port and the second filter drug row liquid outward, medical fluid
Into oil pipe high pressure area, to complete the function of medical fluid injection.
When hydraulic pump 5 shuts down, the piston of the second output hydraulic pressure cylinder 8 is answered under the release of 14 elastic potential energy of spring
Position, stops injection immediately, oil liquid is squeezed back in the first output hydraulic pressure cylinder 7, the oil liquid in the first output hydraulic pressure cylinder 7 passes through bypass
Throttle valve 4 is flow back in oil liquid compensation mechanism.Due to 8 piston resets of the second output hydraulic pressure cylinder, the negative pressure of generation promotes injecting medical liquid
The piston of cylinder pressure 9 back moves, and the first of medical fluid suction inlet is opened to valve group 11 at this time, and medical fluid enters injecting medical liquid by spray tank
In cylinder pressure 9, the function of sucking medical fluid is completed, realizes controlled quantitative dosing and unpowered extraction medical fluid.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.
Claims (10)
1. a kind of underground dosing executive device characterized by comprising
Oil liquid compensation mechanism, the oil liquid compensation mechanism include input hydraulic cylinder and connect with the oil inlet of the input hydraulic cylinder
Fuel tank；
Hydraulic pump, the oil inlet of the hydraulic pump are connect with the oil outlet of the input hydraulic cylinder；
Output hydraulic pressure cylinder, is equipped with elastic energy storage element in the output hydraulic pressure cylinder, one end of the elastic energy storage element with it is described
One side surface of the piston in output hydraulic pressure cylinder connects, the other end output hydraulic pressure cylinder opposite with a side surface it is interior
Wall connection, the oil outlet of the hydraulic pump are connect with the oil inlet of the output hydraulic pressure cylinder；
Injection hydraulic cylinder, the piston in the injection hydraulic cylinder are divided into oil pocket and medicine cavity, the oil pocket and the output
The oil outlet of hydraulic cylinder connects, and the medicine cavity is respectively equipped with medical fluid suction inlet and medical liquid discharge port.
2. dosing executive device in underground according to claim 1, which is characterized in that further include by-pass throttle valve, the side
One end of road throttle valve is connect by pipeline with the oil outlet of the hydraulic pump, and the other end of the by-pass throttle valve passes through pipeline
It is connect with the oil liquid compensation mechanism.
3. dosing executive device in underground according to claim 1, which is characterized in that the input hydraulic cylinder includes first defeated
Enter hydraulic cylinder and concatenated second input hydraulic cylinder of oil outlet with first input hydraulic cylinder.
4. dosing executive device in underground according to claim 1, which is characterized in that the output hydraulic pressure cylinder include with it is described
First output hydraulic pressure cylinder of the oil outlet connection of hydraulic pump, and the oil outlet concatenated second with the first output hydraulic pressure cylinder
Output hydraulic pressure cylinder, the elastic energy storage element are set in the second output hydraulic pressure cylinder.
5. dosing executive device in underground according to claim 4, which is characterized in that the work in the second output hydraulic pressure cylinder
Plug is divided into first chamber and second chamber, and the elastic energy storage element is set to the first chamber or second chamber
Interior, one end of the elastic energy storage element are connect with the piston of the second output hydraulic pressure cylinder, the other end and described second defeated
The inner wall connection of hydraulic cylinder out.
6. dosing executive device in underground according to claim 1, which is characterized in that it is single that the medical fluid suction inlet is equipped with first
To valve group and the spray tank connecting with the described first unidirectional valve group, medical fluid, the first unidirectional valve group are filled in the spray tank
It is connected in series by multiple check valves.
7. dosing executive device in underground according to claim 6, which is characterized in that the inlet of the first unidirectional valve group
First filter is equipped between the spray tank.
8. dosing executive device in underground according to claim 1, which is characterized in that it is single that the medical liquid discharge port is equipped with second
To valve group, the second one-way valve group is connected in series by multiple check valves.
9. dosing executive device in underground according to claim 8, which is characterized in that the liquid outlet of the second one-way valve group
Equipped with the second filter.
10. dosing executive device in underground according to claim 1, which is characterized in that it further include motor, the motor and institute
Hydraulic pump connection is stated, for driving the hydraulic pump to rotate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910491690.8A CN110080733B (en) | 2019-06-06 | 2019-06-06 | Underground dosing execution device |
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|---|---|---|---|
| CN201910491690.8A CN110080733B (en) | 2019-06-06 | 2019-06-06 | Underground dosing execution device |
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| CN202914431U (en) * | 2012-12-07 | 2013-05-01 | 合肥长源液压股份有限公司 | Oil cylinder group capable of moving synchronously |
| CN203174670U (en) * | 2013-03-28 | 2013-09-04 | 四川大学 | Underground water perfusing device |
| CN203317887U (en) * | 2013-06-17 | 2013-12-04 | 上海铄放电子科技有限公司 | Device used for marking defects of to-be-detected object |
| CN204400603U (en) * | 2014-11-21 | 2015-06-17 | 郝向权 | Based on the automatic filling device of beam pumper |
| CN205885863U (en) * | 2016-05-11 | 2017-01-18 | 中国人民解放军第四军医大学 | Drainage device for oncology |
| CN106015148A (en) * | 2016-08-04 | 2016-10-12 | 王才丰 | Positive-and-negative pressure driving device for mounting tool of cold shrinking cable sealing cap |
| CN106669478A (en) * | 2016-12-02 | 2017-05-17 | 胜利油田胜机石油装备有限公司 | Quantitative dosing and dilution device and method at wellhead of oil field |
| GB2559686A (en) * | 2017-02-01 | 2018-08-15 | Nat Coupling Company | Autonomous chemical injection system for oil and gas wells |
| CN106730071A (en) * | 2017-03-08 | 2017-05-31 | 邓杜娟 | A kind of medical miniature negative pressure generator |
| CN107907372A (en) * | 2017-11-18 | 2018-04-13 | 吕连勋 | Percolate from garbage filling field site sampling device and sampling method |
| CN208361880U (en) * | 2018-06-20 | 2019-01-11 | 本溪水泵有限责任公司 | A kind of offshore drilling platform chemicals dosing plant |
| CN208668165U (en) * | 2018-07-25 | 2019-03-29 | 中山市三番纸品有限公司 | A kind of paper mould grouting device |
| CN208779096U (en) * | 2018-09-17 | 2019-04-23 | 山东鲁丽钢铁有限公司 | Overhead traveling crane lubrication device for wire cables |
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