CN107131163A - It is a kind of for it is long when stable loading hydraulic loading system - Google Patents
It is a kind of for it is long when stable loading hydraulic loading system Download PDFInfo
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- CN107131163A CN107131163A CN201710299496.0A CN201710299496A CN107131163A CN 107131163 A CN107131163 A CN 107131163A CN 201710299496 A CN201710299496 A CN 201710299496A CN 107131163 A CN107131163 A CN 107131163A
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- 239000007788 liquid Substances 0.000 claims abstract description 62
- 239000012530 fluid Substances 0.000 claims description 23
- 238000012360 testing method Methods 0.000 abstract description 21
- 239000003245 coal Substances 0.000 abstract description 11
- 238000005265 energy consumption Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000006467 substitution reaction Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000000034 method Methods 0.000 description 17
- 238000005516 engineering process Methods 0.000 description 11
- 238000013461 design Methods 0.000 description 8
- 239000007921 spray Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011797 cavity material Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/06—Servomotor systems without provision for follow-up action; Circuits therefor involving features specific to the use of a compressible medium, e.g. air, steam
- F15B11/072—Combined pneumatic-hydraulic systems
- F15B11/0725—Combined pneumatic-hydraulic systems with the driving energy being derived from a pneumatic system, a subsequent hydraulic system displacing or controlling the output element
-
- 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
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The present invention discloses a kind of hydraulic loading system of loading stable when being used for long, including caisson, reversal valve and device for storing liquid, the venthole of the caisson is connected by the first high pressure gas pipeline with one end of the reversal valve, the other end of the solenoid directional control valve is connected by the second high pressure gas pipeline with the device for storing liquid, the caisson is additionally provided with air inlet pipe, and the device for storing liquid is additionally provided with drain pipe.Hydraulic loading system substitution of the present invention is loaded by reciprocating pump to liquid in the prior art, prolonged hydraulic loaded can be carried out, equipment does not have consumable accessory, energy consumption is low, material creep characteristic test, seepage-resistant grade test, waterpower cutting, the hydrofracturing of shale gas exploitation, coal resource exploitation waterpower can be widely used in and cut the fields such as coal, high operation cost and high energy consumption issues that the equipment belt such as booster pump comes effectively is solved.
Description
Technical field
The present invention relates to hydraulic loaded equipment technical field, it is more particularly to a kind of for it is long when stable loading hydraulic pressure add
Loading system.
Background technology
Stable loading system is widely used in material creep characteristic test, seepage-resistant grade test, waterpower cutting, shale when long
The hydrofracturing of gas exploitation, coal resource exploitation waterpower cut the fields such as coal, and this kind of system has a general character：I.e. when certain
Between in length, it is necessary to equipment is to the continual and steady output pressure of destination object, and do not unload toward being added with needing short time high-frequency
Carry.
During the creep properties and testing permeability of material, the dissipation of pressure is continuous and stable, in order to maintain pressure
The stabilization of power is, it is necessary to the continual work of the booster such as oil pump, water pump, although slow pressurization to the damage of equipment compared with
It is small, but be due to that this kind of experiment loading lasts overlength (even several months several weeks), the electric power energy of consumption is surprising.
The development of the technologies such as coal is cut in waterpower cutting, the hydrofracturing of shale gas exploitation, coal resource exploitation waterpower, to promote
The progress of science and technology has played very important effect, and to meet needs, this kind of technology needs continual offer high pressure
Water body, because in this kind of technology application process, water bleed rate is fast and unpredictable, in order to maintain water body pressure, it is necessary to
The continual intensive work of booster pump, and corroded often by water hammer so that booster pump critical component is easily damaged
Bad, equipment is used and maintenance cost is high, limits the popularization of this kind of technology.
One kind is urgently looked for while energy saving requirement is met, the hydraulic loading system of enough pressure can be provided again, be
The key of loading system operation cost and high energy consumption when solving long.
The content of the invention
It is an object of the invention to provide it is a kind of for it is long when stable loading hydraulic loading system, solution deposits in the prior art
It is long when loading system operation cost and the problem of high energy consumption.The present invention is power source by gases at high pressure, and driving liquid is situated between
Matter is further applied load to destination object, and then stable offer pressure when long, effectively solves the next height of the equipment belts such as booster pump and runs into
Sheet and high energy consumption issues.
To achieve the above object, the invention provides following technical scheme：
The invention provides it is a kind of for it is long when stable loading hydraulic loading system, including caisson, reversal valve and
Device for storing liquid, the venthole of the caisson is connected by the first high pressure gas pipeline with one end of the reversal valve, the electricity
The other end of magnetic reversal valve is connected by the second high pressure gas pipeline with the device for storing liquid, and the caisson is additionally provided with air inlet
Pipe, the device for storing liquid is additionally provided with drain pipe.
It is preferred that, first pressure table is provided with the top of the caisson；
It is preferred that, second pressure table is provided with the top of the device for storing liquid；
It is preferred that, the venthole is arranged on the bottom of the caisson, and the device for storing liquid bottom is provided with out liquid
Hole, the fluid hole is provided with electromagnetic switch, and the fluid hole connects the drain pipe；
It is preferred that, the air inlet pipe and the junction of the caisson are provided with the first check valve, and described first is unidirectional
Valve is arranged on the top of the caisson；
It is preferred that, the air inlet pipe is used to connect air feed equipment and caisson；
It is preferred that, the junction of second high pressure gas pipeline and the device for storing liquid is provided with the second check valve, described
Second check valve is arranged on the top side wall of the device for storing liquid；
It is preferred that, the reversal valve is solenoid directional control valve.
The present invention achieves following technique effect in terms of existing technologies：
1st, the hydraulic loading system of stable loading when of the invention long, by the way that the pressure-air of caisson is injected into storage
In liquid device, the liquid in device for storing liquid is promoted by pressure-air, liquid is released by fluid hole, the stream of liquid
Speed and pressure can be adjusted according to specific operating mode, and then obtain required liquid working state.Hydraulic pressure of the present invention adds
Loading system substitution is loaded by reciprocating pump to liquid in the prior art, can carry out prolonged hydraulic loaded, equipment does not have
There is consumable accessory, energy consumption is low, control process is simple, and equipment is simple, and material easily takes, and easy processing, cost is low.
2nd, therefore the hydraulic loading system of stable loading when of the invention long, the characteristic loaded with long-time stable, is made
Can be that multiple fields do power loading source for a kind of hydraulic loaded source, such as material creep characteristic test, seepage-resistant grade are surveyed
Examination, waterpower cutting, the hydrofracturing of shale gas exploitation, coal resource exploitation waterpower cut the fields such as coal, hydraulic loaded of the invention
Stable loading, can substitute the power-equipments such as reciprocating pump completely in above-mentioned technical field when system is due to that can complete long, and
And effect is more preferably, energy consumption is lower.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the overall structure diagram of hydraulic loading system of the embodiment of the present invention；
Fig. 2 is caisson of embodiment of the present invention wall thickness and radius of sphericity ratio and the relation curve of design pressure；
Fig. 3 is device for storing liquid top bottom surface wall thickness of the embodiment of the present invention and the ratio and the relation curve of design pressure of pillar height；
Wherein, 1- caissons, 2- device for storing liquid, 3- solenoid directional control valves, the check valves of 4- first, 5- first pressures table, 6-
Venthole, the high pressure gas pipelines of 7- first, the high pressure gas pipelines of 8- second, the check valves of 9- second, 10- fluid holes, 11- second pressures
Table, 12- drain pipes, 13- air inlet pipe.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It is an object of the invention to provide it is a kind of for it is long when stable loading hydraulic loading system.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
Embodiment 1：
As Figure 1-3, the present embodiment be it is a kind of to the present invention for it is long when stable loading hydraulic loading system knot
Structure and operation principle are described in further details.
As shown in figure 1, present embodiments provide it is a kind of for it is long when stable loading hydraulic loading system, including gas storage dress
1, reversal valve and device for storing liquid 2 are put, the venthole 6 of caisson 1 is connected by one end of the first high pressure gas pipeline 7 and reversal valve
Logical, the other end of solenoid directional control valve 3 is connected by the second high pressure gas pipeline 8 with device for storing liquid 2, is set at the top of caisson 1
First pressure table 5 is equipped with, the top of device for storing liquid 2 is provided with second pressure table 11,
Caisson 1 is additionally provided with air inlet pipe 13, and venthole 6 is arranged on the bottom of caisson 1, the bottom of device for storing liquid 2
Fluid hole 10 is provided with, fluid hole 10 is provided with electromagnetic switch, and the connection drain pipe 12 of fluid hole 10, drain pipe 12 is used to connect outside
Loading equipemtn simultaneously provides required power.
Further, air inlet pipe 13 and the junction of caisson 1 are provided with the first check valve 4, and the first check valve 4 is set
At the top of caisson 1；The junction of second high pressure gas pipeline 8 and device for storing liquid 2 is provided with the second check valve 9, and second is single
The top side wall of device for storing liquid 2 is arranged on to valve 9, above-mentioned junction sets check valve to prevent the adverse current of gases at high pressure.
Specifically, caisson 1 is spherical caisson 1 in the present embodiment, device for storing liquid 2 is cylinder device for storing liquid 2, is changed
The solenoid directional control valve 3 used to valve；Air inlet pipe 13 is used to connect extraneous gas compression set, general general for air compression
Machine.
Theory analysis in the present embodiment loading system on the insufflation gas of caisson 1：
Equation of gaseous state is shown below：
PV=nRT
In formula：P is the pressure of gas, and V is the volume of gas, and n is the amount of gaseous matter, and T is the thermodynamic temperature of gas；
R is ideal gas constant.
Equation of gaseous state shows
1) when ambient temperature keep it is constant, and no gas medium effusion or enter fashionable, the pressure and volume of gas
Product be constant.I.e. when minor variations occur for the volume of gas, the variable quantity of gas pressure intensity meets following formula：
2) when ambient temperature is fluctuated, but the effusion of no gas medium or enter fashionable, it is assumed that gas volume is kept
For constant, then the variable quantity of gas pressure intensity meets following formula：
The system design and specific implementation process of the hydraulic loading system of stable loading are as follows when the present embodiment is used for long：
1st, system design
The present embodiment using it is long when steady pressure be designed as σ, safety coefficient is designed as 2.0.
As shown in Fig. 2 the spheroid that it is r that caisson 1, which is radius, cavity material selection 45# steel (yield strength 335MPa)；
The wall thickness δ and radius r ratio and σ relation that calculating obtains the caisson 1 obey relation shown in Fig. 2.
As shown in figure 3, the device for storing liquid 2 be cylinder, if its internal diameter is consistent with radius of sphericity, then column side wall thickness and
The relation of design pressure also obeys curve law shown in Fig. 2, and the relation of top bottom surface wall thickness δ and pillar height h ratio and σ obeys Fig. 3
Shown relation.
2nd, implementation process
Implementation process is by taking the built-in compressed air of caisson 1 and the built-in pure water of device for storing liquid 2 as an example, and air feed equipment selection is empty
Press.
Stage 1：The assembling of loading system
After design requirement processing and fabricating caisson 1 and device for storing liquid 2, solenoid directional control valve is matched with reference to design pressure
3 and first high pressure gas pipeline 7, the second high pressure gas pipeline 8 and drain pipe 12, and by the first check valve 4, the second check valve 9, outlet
Hole 6, fluid hole 10, first pressure table 5 and second pressure table 11 are assembled to caisson 1 and the corresponding preformed hole of device for storing liquid 2
It is interior, then the venthole 6 of caisson 1 is connected with solenoid directional control valve 3 by the first high pressure gas pipeline 7, it is high by second
Second check valve 9 of device for storing liquid 2 is connected by pressure appendix 8 with solenoid directional control valve 3, completes the assembling of loading system.
Stage 2：System loads
Step S1：Air-leakage test
Air compressor machine is connected with caisson 1 by air inlet pipe 13, solenoid directional control valve 3 is first shut off, the first high pressure is blocked
The path of the high pressure gas pipeline 8 of appendix 7 and second, opens switch of the venthole 6 to the first high pressure gas pipeline 7, starts air compressor machine,
Gases at high pressure are pumped into caisson 1, after the registration of first pressure table 5 on caisson 1 reaches goal pressure, are closed empty
Press, checks the air-tightness of caisson 1；Fluid hole 10 is then shut off, solenoid directional control valve 3 is opened, the first high pressure gas transmission is connected
The high pressure gas pipeline 8 of pipe 7 and second, the gases at high pressure in caisson 1 are pumped into device for storing liquid 2, restart air compressor machine, after
Continue and be pumped into gases at high pressure into caisson 1, treat the first pressure table 5 on caisson 1 and the second pressure on device for storing liquid 2
The registration of table 11 is reached after goal pressure again, closes air compressor machine and solenoid directional control valve 3.Observe the registration of second pressure table 11, inspection
While looking into 2 air-tightness of device for storing liquid, the Reliability of Microprocessor of solenoid directional control valve 3 is checked.
Step S2：Water filling
Caisson 1 is connected with water pump by air inlet pipe 13, solenoid directional control valve 3 is opened, venthole 6 to first is opened high
The switch of appendix 7 is pressed, fluid hole 10 is closed；Pure water is injected into system, the volume of injection pure water is slightly smaller than device for storing liquid 2
Volume.
Step S3：Loading
Air compressor machine is connected with caisson 1 by air inlet pipe 13, solenoid directional control valve 3 is opened, venthole 6 to first is opened
The switch of high pressure gas pipeline 7, opens fluid hole 10, starts air compressor machine, high pressure gas is pumped into caisson 1 by air inlet pipe 13
Body, after the registration of first pressure table 5 on caisson 1 reaches goal pressure, closes air compressor machine, completes adding to target device
Carry.
Step S4：Unloading
Open switch of the venthole 6 to outside system, slow release gas storage dress and the pressure-air in device for storing liquid 2.
The present embodiment is additionally provided with system protection, the automatic detection flow rate of water flow of fluid hole 10, when water velocity is significantly improved
When, system closes solenoid directional control valve 3 and the electromagnetic switch on fluid hole 10 automatically, and automatic protection threshold value is by default.
Embodiment 2：
The present embodiment is the basis based on embodiment 1, to concrete application of the present invention in material creep characteristic test.
The target device of creep test is hydraulic loaded equipment, and the hydraulic pressure using stable loading during long in embodiment 1 adds
Loading system, its specific work process is as follows:
1) equipment is connected：Test test specimen is positioned on the operating platform of loading equipemtn first, then by drain pipe (12)
It is connected with loading equipemtn；
2) preload operation：Solenoid directional control valve (3) is closed, starts air compressor machine, partial high pressure is pumped into caisson (1)
Gas, it is then slow to open solenoid directional control valve (3), gases at high pressure are put into device for storing liquid (2) so that loading equipemtn pressure head with
Test specimen is fully contacted, and completes to preload work；
3) load：Solenoid directional control valve (3) is closed, starts air compressor machine, the high pressure of preset pressure is pumped into caisson (1)
Gas, according to setting loading speed, opens solenoid directional control valve (3), according to design loading scheme to test specimen imposed load, until pressure
Dynamic balance, then keeps pressure stability, completes a creep loading test job；After creep stable condition is met, according to upper
State method and apply next stage load；
4) off-load：Switch of the venthole (6) to outside system is opened, caisson (1) is slowly discharged interior with device for storing liquid (2)
Gases at high pressure.
The present embodiment is applicable in material creep experiment using the loading equipemtn of the present invention, and hydraulic pressure adds when providing long
Carry, and save a large amount of energy consumptions and cost.
Embodiment 3：
The present embodiment is the basis based on embodiment 1, to concrete application of the present invention in seepage-resistant grade test.
The target device of seepage-resistant grade test is tested for seepage-resistant grade, using the stable liquid loaded during long in embodiment 1
Loading system is pressed, its specific work process is as follows:
1) equipment is connected：Test specimen is fixed in seepage-resistant grade test equipment first, then by drain pipe (12) with it is impervious
Grade equipment is connected；
2) pressure applies：Solenoid directional control valve (3) is closed, starts air compressor machine, target stress is pumped into caisson (1)
Gases at high pressure, it is then slow to open solenoid directional control valve (3), gases at high pressure are put into device for storing liquid (2), in seepage-resistant grade test
Apply target head in equipment, and keep pressure stability 8h, observation test specimen infiltration situation；
3) off-load：Switch of the venthole (6) to outside system is opened, caisson (1) is slowly discharged interior with device for storing liquid (2)
Gases at high pressure.
The present embodiment is applicable in seepage-resistant grade test using the loading equipemtn of the present invention, and hydraulic pressure adds when providing long
Carry, and save a large amount of energy consumptions and cost.
Embodiment 4：
The present embodiment is the basis based on embodiment 1, to concrete application of the present invention in waterpower is cut and waterpower cuts coal.
Waterpower cut and waterpower to cut the target device of coal be spray gun, using the liquid of stable loading during long in embodiment 1
Loading system is pressed, its specific work process is as follows:
1) equipment is connected：Drain pipe (12) is connected with spray gun；
2) pressure applies：Fluid hole (10) is closed, starts air compressor machine, into caisson (1) with pump in device for storing liquid (2)
Enter the gases at high pressure of target stress；
3) work is implemented：Spray gun is placed on destination object, fluid hole (10) is opened, high-velocity flow is sprayed into target pair
As completing technology operating process；When pressure drops to lower critical value, fluid hole (10) is closed, starts air compressor machine, to caisson
(1) gases at high pressure of target stress and in device for storing liquid (2) are pumped into again, repeat technology implementation process；Device for storing liquid (2)
When middle liquid level is less than critical value, solenoid directional control valve (3) is closed, continues to discharge the liquid and gases at high pressure in device for storing liquid (2), so
The connection of the second high pressure gas pipeline (8) and solenoid directional control valve (3) is disconnected afterwards, by water pump from the second high pressure gas pipeline (8) to storage
Liquid device is filled to critical value in (2), and then the second high pressure gas pipeline (8) is connected with solenoid directional control valve (3) again, opens electricity
Magnetic reversal valve (3), proceeds technology implementation process.
The present embodiment is applicable to waterpower cutting using the loading equipemtn of the present invention and waterpower is cut in coal, and is supplied to spray
Hydraulic loaded when rifle is long, and save a large amount of energy consumptions and cost.
Embodiment 5：
The present embodiment is the basis based on embodiment 1, to the present invention specifically should in the hydrofracturing of shale gas exploitation
With.
The target device deep shale of the hydrofracturing of shale gas exploitation, using stable loading during long in embodiment 1
Hydraulic loading system, its specific work process is as follows:
1) equipment is connected：Drain pipe (12) is connected with underground flooding pipe；
2) pressure applies：Fluid hole (10) is closed, starts air compressor machine, into caisson (1) with pump in device for storing liquid (2)
Enter the gases at high pressure of target stress；
3) work is implemented：Fluid hole (10) is opened, is pressed into by water injection pipe into shale micro- in high-pressure water body, driving shale
The extension of crackle, water body injection rate after increase, stops water body process of press in suddenly, closes fluid hole (10), shifts to another water filling
Point；Until work is completed；When pressure drops to lower critical value, fluid hole (10) is closed, starts air compressor machine, to caisson (1)
Gases at high pressure with being pumped into target stress in device for storing liquid (2) again, repeat the injecting process in shale.
The present embodiment is applicable in the hydrofracturing of shale gas exploitation using the loading equipemtn of the present invention, and provides length
When hydraulic loaded, and save a large amount of energy consumptions and cost.
Although embodiment 2~5 is hydraulic loading system of the present invention in the application example in different technologies field, do not limit
System hydraulic loading system of the present invention is as the versatility of power source, and the equipment that every stable hydraulic when needing long is loaded can be adopted
With the hydraulic pressure logging system of the present invention.
Specific case is applied in the present invention to be set forth the principle and embodiment of the present invention, above example
Illustrate the method and its core concept for being only intended to help to understand the present invention；Simultaneously for those of ordinary skill in the art, according to
According to the thought of the present invention, it will change in specific embodiments and applications.In summary, this specification content
It should not be construed as limiting the invention.
Claims (8)
1. it is a kind of for it is long when stable loading hydraulic loading system, it is characterised in that including caisson, reversal valve and liquid storage
Device, the venthole of the caisson is connected by the first high pressure gas pipeline with one end of the reversal valve, and the electromagnetism is changed
Connected to the other end of valve by the second high pressure gas pipeline with the device for storing liquid, the caisson is additionally provided with air inlet pipe,
The device for storing liquid is additionally provided with drain pipe.
2. it is according to claim 1 for it is long when stable loading hydraulic loading system, it is characterised in that the gas storage dress
The top put is provided with first pressure table.
3. it is according to claim 2 for it is long when stable loading hydraulic loading system, it is characterised in that the liquid storage dress
The top put is provided with second pressure table.
4. it is according to claim 3 for it is long when stable loading hydraulic loading system, it is characterised in that the venthole
The bottom of the caisson is arranged on, the device for storing liquid bottom is provided with fluid hole, and the fluid hole is provided with electromagnetic switch,
The fluid hole connects the drain pipe.
5. it is according to claim 4 for it is long when stable loading hydraulic loading system, it is characterised in that the air inlet pipe
The junction of the caisson is provided with the first check valve, first check valve is arranged on the top of the caisson
Portion.
6. it is according to claim 5 for it is long when stable loading hydraulic loading system, it is characterised in that the air inlet pipe
For connecting air feed equipment and caisson.
7. it is according to claim 6 for it is long when stable loading hydraulic loading system, it is characterised in that described second is high
The junction of pressure appendix and the device for storing liquid is provided with the second check valve, and second check valve is arranged on the liquid storage dress
The top side wall put.
8. it is according to claim 1 for it is long when stable loading hydraulic loading system, it is characterised in that the reversal valve
For solenoid directional control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710299496.0A CN107131163B (en) | 2017-05-02 | 2017-05-02 | It is a kind of for it is long when stablize load hydraulic loading system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710299496.0A CN107131163B (en) | 2017-05-02 | 2017-05-02 | It is a kind of for it is long when stablize load hydraulic loading system |
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| CN107131163A true CN107131163A (en) | 2017-09-05 |
| CN107131163B CN107131163B (en) | 2018-11-06 |
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| CN107131163B (en) | 2018-11-06 |
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Application publication date: 20170905 Assignee: Hengyang Huayan Engineering Technology Co.,Ltd. Assignor: University OF SOUTH CHINA Contract record no.: X2023980036656 Denomination of invention: A Hydraulic Loading System for Long Term Stable Loading Granted publication date: 20181106 License type: Common License Record date: 20230615 |