CN107228097A - A kind of closed booster station of nonstatic and its control method - Google Patents
A kind of closed booster station of nonstatic and its control method Download PDFInfo
- Publication number
- CN107228097A CN107228097A CN201710546666.0A CN201710546666A CN107228097A CN 107228097 A CN107228097 A CN 107228097A CN 201710546666 A CN201710546666 A CN 201710546666A CN 107228097 A CN107228097 A CN 107228097A
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- CN
- China
- Prior art keywords
- fuel tank
- oil
- gas
- pressure
- energy storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/027—Installations or systems with accumulators having accumulator charging devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
Abstract
The present invention proposes a kind of closed booster station of nonstatic and its control method, and the technical problem to be solved is that oil liquid leakage occurs in traditional fuel tank, and closed tank can produce negative pressure or be emptied, and pump can not normally oil suction.The present invention includes being provided with gas storage leather bag inside fuel tank and energy storage device, described energy storage device, and it is liquid storage area outside gas storage area, the gas storage leather bag of energy storage device bottom to be in the gas storage leather bag on energy storage device top, and liquid storage area is connected by pipeline with fuel tank；Described fuel tank is provided with exhaust outlet.When realizing the action of non-horizontal surface interior rotary part executing agency using the present invention after above-mentioned technical proposal, pumping plant fuel tank is done in rotation and executive component during expanding-contracting action, it is ensured that pumping plant fuel tank is constantly in full oil and pressurized state, it is to avoid emptying phenomenon occurs in pump.
Description
Technical field
The present invention relates to a kind of pumping plant, and in particular to a kind of closed booster station and its control applied to nonstatic operating mode
Method.
Background technology
When the execution of non-horizontal surface interior rotary part is acted, some structure designs can not use swivel coupling or pipeline branch
Frame gives the rotary part executive component fuel feeding by static hydraulic power unit, therefore, can only be Design of Pump Station on the rotary part
Face, allows pumping plant to follow rotary part to rotate together.When pumping plant fuel tank follows rotation, the fuel tank that traditional design has respirator can go out
Existing fluid is leaked from respirator, and liquid level change all can caused by common closed tank rotation and executive component action such as cylinder action
The normal oil absorbency of pump is influenceed, negative pressure will necessarily be produced or be emptied, this gives the life-span of pump and control element and performs machine
The reliability of structure brings very big influence.
The content of the invention
The technical problem to be solved in the present invention is that traditional fuel tank occurs oil liquid leakage, closed tank can produce negative pressure or
Person is emptied, and pump normally oil suction can not can meet pumping plant in rotation and executive component action process there is provided one kind, pumping plant fuel tank one
It is straight to be in full oil condition, and fuel tank is constantly in pressurized state, it is ensured that can normally it be inhaled when pumping plant can work at an arbitrary position
The closed booster station of nonstatic and its control method of oil.
In order to solve the above technical problems, the present invention uses following technical proposals：A kind of closed booster station of nonstatic, including
It is gas storage to be provided with inside fuel tank and energy storage device, described energy storage device in gas storage leather bag, the gas storage leather bag on energy storage device top
It is liquid storage area outside area, the gas storage leather bag of energy storage device bottom, liquid storage area is connected by pipeline with fuel tank；Set on described fuel tank
There is exhaust outlet.
Oil filler, fuel outlet, inlet port and oil return opening are additionally provided with described fuel tank, inlet port is by oil pump with performing machine
Structure is connected, and oil return opening is connected by return line with executing agency, oil filler, fuel outlet, inlet port and oil return opening and oil
Valve is equipped between case.
It is connected with oil filler provided with fuel loading system, described fuel loading system includes pumping source, is provided between pumping source and oil filler
Flow control valve, Solenoid ball valve and pressure-reducing valve, are additionally provided with safety valve between Solenoid ball valve and pressure-reducing valve.
Ball valve is provided between described exhaust outlet and fuel tank.
Described gas storage leather bag is rubbery human body.
Described fuel tank is provided with pressure sensor.
A kind of control method of the closed booster station of nonstatic, comprises the following steps：1. insufflation gas into gas storage leather bag；
2. refueled using fuel loading system to fuel tank；3. executive component is acted：When oil cylinder stretches out, rodless cavity oil-feed, rod chamber oil return, fuel tank
Flow out hydraulic oil volume and be more than inflow, belong to hydraulic oil net flow and do well, at this moment, energy storage equipment gas compresses gas storage leather bag, storage
The hydraulic oil that gas leather bag makes the oil that hydraulic oil enters inside fuel tank, fuel tank enter by pump in oil cylinder, energy storage equipment supplements fuel tank
The hydraulic oil of net outflow, the volume of net outflow hydraulic oil is equal to the volume that energy storage equipment top compression gas increases；Oil cylinder is retracted
When, fuel tank flows into hydraulic oil volume and is more than outflow, belongs to hydraulic oil net inflow state, at this moment, the hydraulic pressure of pumping plant fuel tank net inflow
Oil enters fuel tank and energy storage equipment bottom, compresses gas storage leather bag and then compresses upper gas, and the net inflow volume of fluid, which is equal to, to be stored
The volume that energy device top compression gas is compressed.
Step 2. described use fuel loading system to fuel tank refuel when, the outlet of fuel loading system is connected to the oiling of fuel tank
Mouthful, the exhaust outlet ball valve on fuel tank is opened, starts fuel loading system pumping source, Solenoid ball valve obtains electric commutation, and fuel loading system is started working；
By adjusting flow and pressure that flow control valve and decompression valve regulation are refueled, now air is discharged by exhaust outlet；Work as air
After being completely exhausted out, exhaust outlet ball valve is closed, continues to refuel into fuel tank, now the gas in gas storage leather bag is compressed, in fuel tank
Pressure is begun to ramp up, after oil pressure rises to setting value in fuel tank, the commutation of Solenoid ball valve dead electricity, closes oil filler ball valve, complete
Into oiling.
The preliminary filling moulding pressure of the fuel tank is more than the pressure of compressed gas in energy storage equipment top gas storage leather bag.
Gas pressure is more than atmospheric pressure in the gas storage leather bag.
When realizing the action of non-horizontal surface interior rotary part executing agency using the present invention of said structure, pumping plant fuel tank is in rotation
Turn and during executive component does expanding-contracting action, it is ensured that pumping plant fuel tank is constantly in full oil and pressurized state, it is to avoid pump is inhaled
Empty phenomenon.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is energy storage device internal structure schematic diagram of the present invention；
Fig. 3 is fuel loading system schematic diagram of the present invention.
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 paid
Embodiment, belongs to the scope of protection of the invention.
As shown in Figure 1 to Figure 3, the embodiments of the invention provide a kind of closed booster station of nonstatic, including fuel tank 1 and storage
Energy device 2, it is gas storage area that the described inside of energy storage device 2, which is provided with gas storage leather bag 21, the gas storage leather bag 21 on the top of energy storage device 2,
22, the outer gas storage leather bag 21 of the bottom of energy storage device 2 is liquid storage area 23, and liquid storage area is connected by pipeline with fuel tank 1；Described oil
Case 1 is provided with exhaust outlet 15.Gas storage leather bag 21 is filled with inertia compressed gas such as nitrogen, the support of inertia compressed gas by inflation inlet 24
Leather bag is opened, gas storage leather bag 21 is become big.Gas storage leather bag 21 changes the size of liquid storage area using the compressibility of gas；Work as hydraulic pressure
When oil pressure is increased to more than gas storage leather bag the blowing pressure, hydraulic oil enters energy storage device bottom by oil inlet 25, thus gas
Body is compressed, and stops compressing when being equal to hydraulic fluid pressure by compression gas storage leather bag the blowing pressure, when hydraulic fluid pressure declines, storage
Gas expansion in gas leather bag, and then hydraulic oil is pressed into fuel tank.
Oil filler 11, fuel outlet 12, inlet port 13 and oil return opening 14 are additionally provided with described fuel tank 1, inlet port 13 passes through
Oil pump is connected with executing agency, and oil return opening 14 is connected by return line with executing agency, oil filler 11, fuel outlet 12,
Valve is equipped between inlet port 13 and oil return opening 14 and fuel tank 1.Valve is provided between the oil inlet 25 and fuel tank of energy storage device,
The opening and closing of each valve is controlled as needed.
It is connected with oil filler 11 provided with fuel loading system 6, described fuel loading system 6 includes pumping source 65, pumping source 65 and oil filler
Flow control valve 61, Solenoid ball valve 62 and pressure-reducing valve 64 are provided between 11, peace is additionally provided between Solenoid ball valve 62 and pressure-reducing valve 64
Full valve 63.Flow control valve selects control valve for small flows, controls the flow refueled, and pressure-reducing valve uses low-pressure relief valve, and control adds
The maximum pressure of oil.
Ball valve 17 is provided between described exhaust outlet 15 and fuel tank 1.
Described gas storage leather bag 21 is rubbery human body.Due to being separated in the middle of energy storage equipment with gas storage leather bag, therefore when any
Wait, hydraulic oil is not directly contacted with air and fuel tank is full of hydraulic oil always, eliminates the possibility that pumping enters air.Make full use of
The compressive characteristics of gas, the volume of energy storage equipment lower hydraulic oil is changed by the Volume Changes of gas, is adapted to oil cylinder and is stretched
There is hydraulic liquid product moment demand in action.
Described fuel tank 1 is provided with pressure sensor 16, detects tank internal pressure.
A kind of control method of the closed booster station of nonstatic, comprises the following steps：1. insufflation gas into gas storage leather bag；
2. refueled using fuel loading system to fuel tank；3. executive component is acted：When oil cylinder stretches out, rodless cavity oil-feed, rod chamber oil return, fuel tank
Flow out hydraulic oil volume and be more than inflow, belong to hydraulic oil net flow and do well, at this moment, energy storage equipment gas compresses gas storage leather bag, storage
The hydraulic oil that gas leather bag makes the oil that hydraulic oil enters inside fuel tank, fuel tank enter by pump in oil cylinder, energy storage equipment supplements fuel tank
The hydraulic oil of net outflow, the volume of net outflow hydraulic oil is equal to the volume that energy storage equipment top compression gas increases；Oil cylinder is retracted
When, fuel tank flows into hydraulic oil volume and is more than outflow, belongs to hydraulic oil net inflow state, at this moment, the hydraulic pressure of pumping plant fuel tank net inflow
Oil enters fuel tank and energy storage equipment bottom, compresses gas storage leather bag and then compresses upper gas, and the net inflow volume of fluid, which is equal to, to be stored
The volume that energy device top compression gas is compressed.
Step 2. described use fuel loading system to fuel tank refuel when, the outlet of fuel loading system is connected to the oiling of fuel tank
Mouthful, the exhaust outlet ball valve on fuel tank is opened, starts fuel loading system pumping source, Solenoid ball valve 62 obtains electric commutation, and fuel loading system starts work
Make；By adjusting flow and pressure that flow control valve 61 and the regulation of pressure-reducing valve 64 are refueled, now air is discharged by exhaust outlet；
After air is completely exhausted out, exhaust outlet ball valve is closed, continues to refuel into fuel tank, now the gas in gas storage leather bag is compressed,
Tank pressure is begun to ramp up, after oil pressure rises to setting value in fuel tank, the commutation of the dead electricity of Solenoid ball valve 62, closes oil filler
Ball valve, completes to refuel.When fuel loading system with voltage stabilizing measure pressure-reducing valve and overflow valve is refueled to the pumping plant fuel tank, oil in fuel tank
Liquid is gradually pressurizeed, and fuel loading system pressure is higher than energy storage equipment top the blowing pressure, and energy storage device upper pressure is by inflating
Blanket insurance is demonstrate,proved, because fuel tank is connected with energy storage equipment bottom, therefore fluid is by compressing gas storage leather bag, the gas storage area for inflating top
Diminish, so that fluid enters energy storage equipment bottom, allow energy storage equipment bottom to be filled with hydraulic oil.
The fuel loading system course of work：Fuel loading system does not work usually, is mutually disconnected between fuel tank, when fuel tank needs to refuel
Shi Caihui starts.When oil cylinder stretches out, there are volume differences in rodless cavity oil-feed, rod chamber oil return, in-oil cylinder oil inlet quantity and oil pump capacity,
When cylinder piston rod all stretches out, volume differences reach that maximum is put, and the maximum of volume differences is exactly the volume of the piston rod stretched out,
The volume of energy storage equipment bottom hydraulic oil is more than the largest body product moment of oil cylinder, it is ensured that energy storage equipment bottom hydraulic oil is to fuel tank net flow
Do well the supplement of hydraulic oil, then contrast when oil cylinder bounces back.
The preliminary filling moulding pressure of the fuel tank is more than the pressure of compressed gas in energy storage equipment top gas storage leather bag.Ensure storage
Gas can be compressed in gas leather bag, and fluid can enter energy storage equipment bottom.
The Preliminary pressure-filled of gas storage leather bag is p1, leather bag is strutted completely, now gas volume V1 always holds equal to energy storage device
Product（Ignore leather bag volume）；Fuel tank moulding pressure is p2（P2 is more than p1）, now gas pressure is consistent with system moulding pressure, gas
Body volume is V2；P1*V1=p2*V2, it is gas volume difference V1-V2, energy storage equipment that energy storage equipment, which is filled with fluid maximum volume V,
The volume of bottom hydraulic oil is more than the largest body product moment of oil cylinder.
Gas pressure is more than atmospheric pressure and is less than 0.5MPa in the gas storage leather bag.Gas pressure is too low in gas storage leather bag to make
Leather bag can not be fully deployed, and cause volume differences to diminish, it is impossible to meet maximal work operating mode；The blowing pressure is too high, to meet volume
Difference requires that fuel tank moulding pressure can be increased, and the structure design of oil dropping apparatus brings difficulty.Because fuel tank uses process hydraulic oil
Certain loss is had, tank pressure is monitored using detecting element pressure sensor in real time, it is ensured that pumping plant fuel tank is in design and pressed
In the range of power.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of closed booster station of nonstatic, it is characterised in that：Including fuel tank（1）And energy storage device（2）, described energy storage dress
Put（2）Inside is provided with gas storage leather bag（21）, energy storage device（2）The gas storage leather bag on top（21）Interior is gas storage area（22）, energy storage dress
Put（2）The gas storage leather bag of bottom（21）It is liquid storage area outside（23）, liquid storage area passes through pipeline and fuel tank（1）It is connected；Described oil
Case（1）It is provided with exhaust outlet（15）.
2. the closed booster station of nonstatic according to claim 1, it is characterised in that：Described fuel tank（1）On be additionally provided with
Oil filler（11）, fuel outlet（12）, inlet port（13）And oil return opening（14）, inlet port（13）It is connected by oil pump with executing agency
Connect, oil return opening（14）It is connected by return line with executing agency, oil filler（11）, fuel outlet（12）, inlet port（13）With
Oil return opening（14）With fuel tank（1）Between be equipped with valve.
3. the closed booster station of nonstatic according to claim 2, it is characterised in that：With oil filler（11）It is connected to be provided with and adds
Oil system（6）, described fuel loading system（6）Including pumping source（65）, pumping source（65）With oil filler（11）Between provided with flow control
Valve（61）, Solenoid ball valve（62）And pressure-reducing valve（64）, Solenoid ball valve（62）And pressure-reducing valve（64）Between be additionally provided with safety valve（63）.
4. the closed booster station of nonstatic according to claim 1, it is characterised in that：Described exhaust outlet（15）With fuel tank
（1）Between be provided with ball valve（17）.
5. the closed booster station of nonstatic according to claim 1, it is characterised in that：Described gas storage leather bag（21）For rubber
Rubber bladder.
6. the closed booster station of nonstatic according to claim 1, it is characterised in that：Described fuel tank（1）Provided with pressure
Force snesor（16）.
7. a kind of control method of closed booster station of nonstatic suitable for described in claim any one of 1-6, its feature exists
In comprising the following steps：1. insufflation gas into gas storage leather bag；2. refueled using fuel loading system to fuel tank；3. executive component is moved
Make：When oil cylinder stretches out, rodless cavity oil-feed, rod chamber oil return, fuel tank outflow hydraulic oil volume, which is more than, to be flowed into, and belongs to hydraulic oil net flow
Do well, at this moment, energy storage equipment gas compresses gas storage leather bag, and the oil that gas storage leather bag makes hydraulic oil enter inside fuel tank, fuel tank leads to
The hydraulic oil for the hydraulic oil supplement fuel tank net outflow that pump enters in oil cylinder, energy storage equipment is crossed, the volume of net outflow hydraulic oil is equal to
The volume of energy storage equipment top compression gas increase；When oil cylinder is retracted, fuel tank flows into hydraulic oil volume and is more than outflow, belongs to hydraulic pressure
Oily net inflow state, at this moment, the hydraulic oil of pumping plant fuel tank net inflow enter fuel tank and energy storage equipment bottom, compress gas storage leather bag and enter
And upper gas is compressed, the net inflow volume of fluid is equal to the volume that energy storage equipment top compression gas is compressed.
8. the control method of the closed booster station of nonstatic according to claim 7, it is characterised in that：Step is 2. described
Using fuel loading system to fuel tank refuel when, the outlet of fuel loading system is connected to the oil filler of fuel tank, the exhaust outlet on fuel tank is opened
Ball valve, starts fuel loading system pumping source, and Solenoid ball valve 62 obtains electric commutation, and fuel loading system is started working；By adjusting flow control valve
61 and pressure-reducing valve 64 regulation refuel flow and pressure, now air discharged by exhaust outlet；After air is completely exhausted out, close
Exhaust outlet ball valve, continues to refuel into fuel tank, now the gas in gas storage leather bag is compressed, and tank pressure is begun to ramp up, when
Oil pressure is risen to after setting value in fuel tank, the commutation of the dead electricity of Solenoid ball valve 62, closes oil filler ball valve, completes to refuel.
9. the control method of the closed booster station of nonstatic according to claim 7, it is characterised in that：The fuel tank plus
Oil system（6）Pressure is more than the pressure of compressed gas in energy storage equipment top gas storage leather bag.
10. the control method of the closed booster station of nonstatic according to claim 7, it is characterised in that：The gas storage skin
Intracapsular gas pressure is more than atmospheric pressure and is less than 0.5MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710546666.0A CN107228097B (en) | 2017-07-06 | 2017-07-06 | A kind of closed booster station of nonstatic and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710546666.0A CN107228097B (en) | 2017-07-06 | 2017-07-06 | A kind of closed booster station of nonstatic and its control method |
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| Publication Number | Publication Date |
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| CN107228097A true CN107228097A (en) | 2017-10-03 |
| CN107228097B CN107228097B (en) | 2019-04-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109083873A (en) * | 2018-09-25 | 2018-12-25 | 吉林大学 | A kind of type of respiration Oil-gas Separation hydraulic oil container and constant pressure control method |
| CN109114049A (en) * | 2018-09-27 | 2019-01-01 | 中船重型装备有限公司 | A kind of assembling machine sealed reservoir system |
| CN110081032A (en) * | 2019-06-05 | 2019-08-02 | 中国铁建重工集团股份有限公司 | A kind of engineering machinery and its hydraulic power mechanism |
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| CN107228097B (en) | 2019-04-12 |
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