CN203383788U - Flywheel energy-saving hydraulic pumping unit - Google Patents
Flywheel energy-saving hydraulic pumping unit Download PDFInfo
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- CN203383788U CN203383788U CN201320225817.XU CN201320225817U CN203383788U CN 203383788 U CN203383788 U CN 203383788U CN 201320225817 U CN201320225817 U CN 201320225817U CN 203383788 U CN203383788 U CN 203383788U
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- reversal valve
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Abstract
The utility model relates to a flywheel energy-saving hydraulic pumping unit, comprising a motor, a flywheel driven by a motor, a hydraulic variable pump driven by the motor, a hydraulic variable motor driven by the motor, a hydraulic control pump, a connecting device for being connected with an external pumping rod, and at least one hydraulic driving unit for driving the connecting device to descend and ascend; the flywheel, the motor, the hydraulic variable pump, the hydraulic variable motor, and the hydraulic control pump are in transmission connection; when the hydraulic variable pump has a zero displacement and is idly operated, the flywheel is operated in an accelerating mode; the flywheel is operated in a speed reducing mode when the hydraulic variable pump is operated in the set maximum displacement; the variable control of the hydraulic variable pump and the hydraulic variable motor are controlled by the hydraulic control pump. The hydraulic variable pump is actuated by the less energy consumption of the motor together with the recycling energy of the flywheel, so the connecting device is lifted, and the energy consumption of the motor is greatly reduced.
Description
Technical field
The utility model relates to a kind of profile type energy-conserving hydraulic pumping unit.
Background technology
Various countries adopt traditional beam pumping unit recover petroleum usually at present.Traditional achieving good power saving effect of beam pumping units is poor, and transmission efficiency is low, can't better realize energy-conservation; Because volume is large, weight is large, causes being inconvenient to transport, and maintenance and tune ginseng are installed; The Whole Equipment input cost is high.Beam pumping unit can't well realize that oil pumper is in oil recovery process, and in oil pumper decline process, effective recovery of the gravitional force of sucker rod etc., can not reach the effect recovered energy.
The utility model content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of profile type energy-conserving hydraulic pumping unit that motor power consumes of saving is provided.
The utility model solves the technical scheme that its technical problem adopts: a kind of profile type energy-conserving hydraulic pumping unit, comprise motor, by motor-driven flywheel, by motor-driven hydraulic variable displacement pump, for the linkage be connected with outside sucker rod, at least one hydraulic drive unit that drives linkage to rise and descend, hydraulic variable displacement pump drives hydraulic drive unit, flywheel, motor, hydraulic variable displacement pump is in transmission connection, described flywheel Accelerating running when hydraulic variable displacement pump is the zero delivery free-runing operation, described flywheel fall-back when the maximum pump discharge of hydraulic variable displacement pump in setting moves.
Concrete scheme one: the profile type energy-conserving hydraulic pumping unit comprises by motor-driven hydraulic variable motor, control the hydraulic control pump of hydraulic variable motor and hydraulic variable displacement pump, be triggered to set the position detecting device of oil pumping stroke, described flywheel, motor, hydraulic variable displacement pump, hydraulic variable motor, hydraulic control pump are in transmission connection.
In scheme one: described hydraulic drive unit is hydraulic jack, the oil-out of described hydraulic variable displacement pump connects the oil-in of the first one way valve, the oil-out of described the first one way valve is connected to the oil-feed oil pocket of hydraulic jack, the fuel-displaced oil pocket of hydraulic jack connects fuel tank, and the oil-out of described hydraulic variable motor is connected to the oil-feed oil pocket of hydraulic jack;
The oil-out of described hydraulic control pump connects the oil-in of the second one way valve, the oil-out of described the second one way valve connects the oil-feed P mouth of the first reversal valve, the fuel-displaced A mouth of described the first reversal valve be connected to hydraulic variable displacement pump the variable piston without the bar oil pocket, the fuel-displaced B mouth of described the first reversal valve be connected to hydraulic variable motor the variable piston without the bar oil pocket, the oil return T mouth of described the first reversal valve connects fuel tank
The a electromagnet of described the first reversal valve obtains when electric, the fuel-displaced B mouth conducting of the oil-feed P mouth of the first reversal valve and the first reversal valve, the oil return T mouth conducting of the fuel-displaced A mouth of the first reversal valve and the first reversal valve;
The b electromagnet of described the first reversal valve obtains when electric, the fuel-displaced A mouth conducting of the oil-feed P mouth of the first reversal valve and the first reversal valve, the oil return T mouth conducting of the fuel-displaced B mouth of the first reversal valve and the first reversal valve;
During the equal dead electricity of b electromagnet of a electromagnet of described the first reversal valve, the first reversal valve, the fuel-displaced A mouth of the oil-feed P mouth of the first reversal valve and the first reversal valve and the fuel-displaced B mouth conducting of the first reversal valve, the oil return T mouth of the first reversal valve blocks;
It obtains electric or dead electricity by Artificial Control for a electromagnet of the first reversal valve, the b electromagnet of the first reversal valve; Perhaps; The a electromagnet of the first reversal valve, the b electromagnet of the first reversal valve are controlled it by position detecting device and are obtained electric or dead electricity;
When described position detecting device obtains the upper signal in the oil pumping stroke, the b electromagnet of described the first reversal valve obtains electricly, and when described position detecting device obtains the bottom signal in the oil pumping stroke, a electromagnet of described the first reversal valve obtains electric.
In concrete scheme one: in the working oil path between the oil-feed oil pocket of the oil-out of the first one way valve and hydraulic jack and be connected to the first overflow valve, the first overflow valve is for the protection of the working oil path between the oil-feed oil pocket of the oil-out of the first one way valve and hydraulic jack.
Concrete scheme two: the profile type energy-conserving hydraulic pumping unit comprises the hydraulic control pump of controlling hydraulic variable displacement pump, is triggered to set the position detecting device of oil pumping stroke, and described flywheel, motor, hydraulic variable displacement pump, hydraulic control pump are in transmission connection.
In concrete scheme two: described hydraulic drive unit is hydraulic jack, the oil-out of described hydraulic variable displacement pump connects the oil-in of the first one way valve, the oil-out of described the first one way valve is connected to the oil-feed oil pocket of hydraulic jack, and the fuel-displaced oil pocket of hydraulic jack connects fuel tank;
The oil-out of hydraulic control pump connects the oil-in of the second one way valve, the oil-out of the second one way valve connects the oil-feed P mouth of the second reversal valve, the fuel-displaced A mouth of the second reversal valve be connected to hydraulic variable displacement pump the variable piston without the bar oil pocket, the fuel-displaced B mouth of the second reversal valve is connected to fuel tank, and the oil return T mouth of the second reversal valve is connected to fuel tank;
The a electromagnet of the second reversal valve obtains when electric, the fuel-displaced B mouth conducting of the oil-feed P mouth of the second reversal valve and the second reversal valve, the oil return T mouth conducting of the fuel-displaced A mouth of the second reversal valve and the second reversal valve;
During a electromagnet dead electricity of the second reversal valve, the fuel-displaced A mouth conducting of the oil-feed P mouth of the second reversal valve and the second reversal valve, the oil return T mouth conducting of the fuel-displaced B mouth of the second reversal valve and the second reversal valve;
By Artificial Control, it obtains electric or dead electricity to a electromagnet of the second reversal valve; Perhaps; The a electromagnet of the second reversal valve is controlled it by position detecting device and is obtained electric or dead electricity;
The a electromagnet dead electricity of the second reversal valve when position detecting device obtains the upper signal in the oil pumping stroke, when position detecting device obtains the bottom signal in the oil pumping stroke, a electromagnet of the second reversal valve obtains electric;
In working oil path between the oil-feed oil pocket of the oil-out of the first one way valve and hydraulic jack and be connected to the 3rd electromagnetic relief valve;
By Artificial Control, it obtains electric or dead electricity to described the 3rd electromagnetic relief valve; Perhaps; The 3rd electromagnetic relief valve is controlled it by position detecting device and is obtained electric or dead electricity;
When position detecting device obtains the upper signal in the oil pumping stroke the 3rd electromagnetic relief valve obtain electric, the 3rd electromagnetic relief valve dead electricity when position detecting device obtains the bottom signal in the oil pumping stroke.
In concrete scheme one or concrete scheme two: in the working oil path between the oil-feed oil pocket of the oil-out of the first one way valve and hydraulic jack and be connected to one-way throttle valve, one-way throttle valve carries out repairing for the oil-feed oil pocket to hydraulic jack and for the decrease speed of manual adjustments linkage.
In concrete scheme one or concrete scheme two: in the oil circuit control between the oil-feed P mouth of the oil-out of the second one way valve and the first reversal valve or the second reversal valve and be connected to the second overflow valve, the second overflow valve carries out pressure setting for the pressure oil to hydraulic control pump output and for the protection of the oil circuit control between the oil-feed P mouth of the oil-out of the second one way valve and the first reversal valve or the second reversal valve.
In concrete scheme two: be serially connected with the second one-way throttle valve in the working oil path between the oil-feed oil pocket of the oil-out of the first one way valve and hydraulic jack, the decrease speed of the second one-way throttle valve for regulating linkage.
In concrete scheme one or concrete scheme two: described position detecting device comprises lower switches and upper switches, while in the linkage uphill process, triggering upper switches, position detecting device obtains the upper signal in the oil pumping stroke, and while in linkage decline process, triggering lower switches, position detecting device obtains the bottom signal in the oil pumping stroke.
In concrete scheme one or concrete scheme two: hydraulic jack is separated into epicoele and cavity of resorption by piston, the epicoele of hydraulic jack is fuel-displaced oil pocket, the cavity of resorption of hydraulic jack has piston rod, and the cavity of resorption of hydraulic jack is the oil-feed oil pocket, and the piston rod of hydraulic jack is connected with linkage.
The beneficial effects of the utility model are: profile type energy-conserving hydraulic pumping unit of the present utility model, when hydraulic variable displacement pump is the zero delivery free-runing operation, oil pumper power reduces, now flywheel Accelerating running storage power, save the energy of the required consumption of motor that drives hydraulic variable displacement pump.Flywheel uses for next cycle hydraulic variable displacement pump that rises by the slip storage power of motor.In scheme one, the Variable Control of hydraulic variable displacement pump and hydraulic variable motor is controlled through the first reversal valve by the flow of hydraulic control pump.By the hydraulic variable motor flywheel that recovers energy, by hydraulic variable displacement pump, release energy, motor only needs to consume less energy consumption and flywheel and recovers energy and work together to hydraulic variable displacement pump and make linkage increase, thereby, the energy consumption of greatly having saved motor.The mode that in scheme two, hydraulic variable motor in scheme one is reclaimed to decline potential energy becomes after the 3rd electromagnetic relief valve pressure release of scheme two by the second one-way throttle valve throttle grverning, and flywheel is next cycle hydraulic variable displacement pump use of rising by the slip storage power of motor.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1 is the structural representation of embodiment mono-of the present utility model;
Fig. 2 is the structural representation of embodiment bis-of the present utility model;
Wherein: 1, motor, 2, hydraulic variable displacement pump, 3, hydraulic variable motor, 4, hydraulic control pump, 5, flywheel, the 6.1, first one way valve, the 6.2, second one way valve, 7.1, the first electromagnetic relief valve, 7.2, the second overflow valve, the 7.3, the 3rd electromagnetic relief valve, the 8.1, first reversal valve, 8.2, the second reversal valve, 9, one-way throttle valve, 10, hydraulic jack, 101, piston, 102, piston rod, 11.1, upper switches, 11.2, lower switches, 12. linkages, the 13, second one-way throttle valve.
The specific embodiment
By reference to the accompanying drawings the utility model is further described now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, so it only shows the formation relevant with the utility model.
A kind of profile type energy-conserving hydraulic pumping unit, comprise motor, by motor-driven flywheel, by motor-driven hydraulic variable displacement pump, for the linkage be connected with outside sucker rod, at least one hydraulic drive unit that drives linkage to rise and descend, hydraulic variable displacement pump drives hydraulic drive unit, flywheel, motor, hydraulic variable displacement pump are in transmission connection, described flywheel Accelerating running when hydraulic variable displacement pump is the zero delivery free-runing operation, described flywheel fall-back when the maximum pump discharge of hydraulic variable displacement pump in setting moves.
Profile type energy-conserving hydraulic pumping unit of the present utility model, when hydraulic variable displacement pump is the zero delivery free-runing operation, oil pumper power reduces, and now flywheel Accelerating running storage power, save the energy of the required consumption of motor that drives hydraulic variable displacement pump.Flywheel uses for next cycle hydraulic variable displacement pump that rises by the slip storage power of motor.Flywheel fall-back when the maximum pump discharge of hydraulic variable displacement pump in setting moves, the energy that hydraulic variable displacement pump and flywheel store is confessed jointly, saves the energy consumption of motor.
Embodiment mono-, as shown in Figure 1, a kind of profile type energy-conserving hydraulic pumping unit, comprise motor 1, the flywheel 5 driven by motor 1, the hydraulic variable displacement pump 2 driven by motor 1, the hydraulic variable motor 3 driven by motor 1, control the hydraulic control pump 4 of hydraulic variable motor 3 and hydraulic variable displacement pump 2, for the linkage 12 be connected with outside sucker rod, at least one hydraulic drive unit that drives linkage 12 to rise and descend, be triggered to set the position detecting device of oil pumping stroke, flywheel 5, motor 1, hydraulic variable displacement pump 2, hydraulic variable motor 3, hydraulic control pump 4 is in transmission connection.
Flywheel 5 Accelerating runnings when hydraulic variable displacement pump 2 is the zero delivery free-runing operation, flywheel 5 fall-backs when the maximum pump discharge of hydraulic variable displacement pump 2 in setting moves.
Hydraulic drive unit adopts hydraulic jack 10, hydraulic jack 10 is separated into epicoele and cavity of resorption by piston 101, the epicoele of hydraulic jack 10 is fuel-displaced oil pocket, the cavity of resorption of hydraulic jack 10 has piston rod 102, the cavity of resorption of hydraulic jack 10 is the oil-feed oil pocket, and the piston rod 102 of hydraulic jack 10 is connected with linkage 12.
The oil-out of hydraulic variable displacement pump 2 connects the oil-in of the first one way valve 6.1, the oil-out of the first one way valve 6.1 is connected to the oil-feed oil pocket of hydraulic jack 10, the fuel-displaced oil pocket of hydraulic jack 10 connects fuel tank, and the oil-out of hydraulic variable motor 3 is connected to the oil-feed oil pocket of hydraulic jack 10.
The oil-out of hydraulic control pump 4 connects the oil-in of the second one way valve 6.2, the oil-out of the second one way valve 6.2 connects the oil-feed P mouth of the first reversal valve 8.1, the fuel-displaced A mouth of the first reversal valve 8.1 be connected to hydraulic variable displacement pump 2 the variable piston without the bar oil pocket, the fuel-displaced B mouth of the first reversal valve 8.1 be connected to hydraulic variable motor 3 the variable piston without the bar oil pocket, the oil return T mouth of the first reversal valve 8.1 connects fuel tank.
The a electromagnet of the first reversal valve 8.1 obtains when electric, the fuel-displaced B mouth conducting of the oil-feed P mouth of the first reversal valve 8.1 and the first reversal valve 8.1, the oil return T mouth conducting of the fuel-displaced A mouth of the first reversal valve 8.1 and the first reversal valve 8.1.
The b electromagnet of the first reversal valve 8.1 obtains when electric, the fuel-displaced A mouth conducting of the oil-feed P mouth of the first reversal valve 8.1 and the first reversal valve 8.1, the oil return T mouth conducting of the fuel-displaced B mouth of the first reversal valve 8.1 and the first reversal valve 8.1.
The equal dead electricity of b electromagnet of a electromagnet of the first reversal valve 8.1, the first reversal valve 8.1 must not when electricity, the fuel-displaced A mouth of the oil-feed P mouth of the first reversal valve 8.1 and the first reversal valve 8.1 and the fuel-displaced B mouth conducting of the first reversal valve 8.1, the oil return T mouth of the first reversal valve 8.1 blocks.
By Artificial Control, it obtains electric or dead electricity to the b electromagnet of a electromagnet of the first reversal valve 8.1 or the first reversal valve 8.1; Perhaps; The b electromagnet of a electromagnet of the first reversal valve 8.1 or the first reversal valve 8.1 is controlled it by position detecting device and is obtained electric or dead electricity.
When position detecting device obtains the upper signal in the oil pumping stroke, the b electromagnet of the first reversal valve 8.1 obtains electricly, and when position detecting device obtains the bottom signal in the oil pumping stroke, a electromagnet of the first reversal valve 8.1 obtains electric.Particularly, position detecting device comprises lower switches 11.2 and upper switches 11.1.While in linkage 12 uphill process, triggering upper switches 11.1, position detecting device obtains the upper signal in the oil pumping stroke, and while in linkage 12 decline processes, triggering lower switches 11.2, position detecting device obtains the bottom signal in the oil pumping stroke.
Concrete, while in linkage 12 uphill process, triggering upper switches 11.1, the b electromagnet of the first reversal valve 8.1 obtains electric; While in linkage 12 decline processes, triggering lower switches 11.2, a electromagnet of the first reversal valve 8.1 obtains electric.
In working oil path between the oil-feed oil pocket of the oil-out of the first one way valve 6.1 and hydraulic jack 10 and be connected to the first overflow valve, the first overflow valve is for the protection of the working oil path between the oil-feed oil pocket of the oil-out of the first one way valve 6.1 and hydraulic jack 10.
The first overflow valve is preferably the first electromagnetic relief valve 7.1, the first electromagnetic relief valves 7.1, and by Artificial Control, it obtains electric or dead electricity; Perhaps; The first electromagnetic relief valve 7.1 is controlled it by position detecting device and is obtained electric or dead electricity.
When position detecting device obtains the upper signal in the oil pumping stroke the first overflow valve 7.1 electric, the first overflow valve 7.1 dead electricity when position detecting device obtains the bottom signal in the oil pumping stroke.
In working oil path between the oil-feed oil pocket of the oil-out of the first one way valve 6.1 and hydraulic jack 10 and be connected to one-way throttle valve 9, one-way throttle valve 9 carries out repairing for the oil-feed oil pocket to hydraulic jack 10 and for the decrease speed of manual adjustments linkage 12.
In oil circuit control between the oil-feed P mouth of the oil-out of the second one way valve 6.2 and the first reversal valve 8.1 and be connected to that the second overflow valve 7.2, the second overflow valves 7.2 carry out pressure setting for the pressure oil to hydraulic control pump 4 output and for the protection of the oil circuit control between the oil-feed P mouth of the oil-out of the second one way valve 6.2 and the first reversal valve 8.1.
The linkage of embodiment mono-and the sucker rod of down-hole are connected to drive the sucker rod oil pumping that pumps, and an one working cycles is as follows:
When initial, the b electromagnet of a electromagnet of the first reversal valve 8.1 and the first reversal valve 8.1 is all in power failure state, motor 1 drives hydraulic variable displacement pump 2, hydraulic control pump 4, flywheel 5 to start, during the equal dead electricity of b electromagnet of a electromagnet of the first reversal valve 8.1, the first reversal valve 8.1, the fuel-displaced A mouth of the oil-feed P mouth of the first reversal valve 8.1 and the first reversal valve 8.1 and the fuel-displaced B mouth conducting of the first reversal valve 8.1, the oil return T mouth of the first reversal valve 8.1 blocks.
The hydraulic oil of hydraulic control pump 4 outputs is through the second one way valve 6.2 and the first reversal valve 8.1, promote the variable piston of hydraulic variable displacement pump 2 to zero displacement position from fuel-displaced A mouth output, the hydraulic oil of hydraulic control pump 4 outputs promotes the variable piston of hydraulic variable motor 3 to zero displacement position from fuel-displaced B mouth output, hydraulic variable displacement pump 2 and hydraulic variable motor 3 are all in neutral, save electric energy, make linkage 12 in halted state simultaneously.
The a electromagnet of the first reversal valve 8.1 obtains electric, the fuel-displaced B mouth conducting of the oil-feed P mouth of the first reversal valve 8.1 and the first reversal valve 8.1, the oil return T mouth conducting of the fuel-displaced A mouth of the first reversal valve 8.1 and the first reversal valve 8.1.The variable piston that hydraulic oil of hydraulic control pump 4 outputs promotes hydraulic variable motor 3 is to zero displacement position, and hydraulic variable motor 3 is in neutral; The variable piston of hydraulic variable displacement pump 2 is by the fuel-displaced A mouth oil extraction of the first reversal valve 8.1,2 of hydraulic variable displacement pumps are in displacement, the unloaded slippage of motor 1 and flywheel 5 rotates storage power and jointly drives hydraulic variable displacement pump 2, and oil-feed oil pocket and then the driving linkage 12 of the hydraulic oil of hydraulic variable displacement pump 2 outputs from the first one way valve 6.1 to hydraulic jack 10 rises.
While in linkage 12 uphill process, triggering upper switches 11.1, the b electromagnet of the first reversal valve 8.1 obtains electric, the fuel-displaced A mouth conducting of the oil-feed P mouth of the first reversal valve 8.1 and the first reversal valve 8.1, the oil return T mouth conducting of the fuel-displaced B mouth of the first reversal valve 8.1 and the first reversal valve 8.1.The variable piston that hydraulic oil of hydraulic control pump 4 outputs promotes hydraulic variable displacement pump 2 is to zero displacement position, and hydraulic variable displacement pump 2 is in neutral; The variable piston of hydraulic variable motor 3 is by the fuel-displaced B mouth oil extraction of the first reversal valve 8.1, hydraulic variable motor 3 is in displacement, the pressure promotion hydraulic variable motor 3 acceleration rotations that linkage 12 descends and produces, thus flywheel driven 5 accelerates the potential energy of rotation storage linkage decline.
While in linkage 12 decline processes, triggering lower switches 11.2, a electromagnet of the first reversal valve 8.1 obtains electric.The fuel-displaced B mouth conducting of the oil-feed P mouth of the first reversal valve 8.1 and the first reversal valve 8.1, the oil return T mouth conducting of the fuel-displaced A mouth of the first reversal valve 8.1 and the first reversal valve 8.1.The variable piston that hydraulic oil of hydraulic control pump 4 outputs promotes hydraulic variable motor 3 is to zero displacement position, and hydraulic variable motor 3 is in neutral; The variable piston oil extraction of hydraulic variable displacement pump 2, in displacement, the decline potential energy energy stored after motor 1 and flywheel 5 are accelerated drives hydraulic variable displacement pump 2 to 2 of hydraulic variable displacement pumps jointly, thereby drives linkage 12 risings.
While triggering upper switches 11.1 in linkage 12 uphill process, make again the b electromagnet of the first reversal valve 8.1 obtain electric, so start periodic cycle.
The speed that linkage 12 rises or descends is regulated stroke limit and the maximum pump discharge of variable piston that can be by regulating hydraulic variable displacement pump or hydraulic variable motor and is controlled upper and lower speed, and after the force balance that can certainly produce with back-moving spring power in the variable piston of hydraulic variable displacement pump or hydraulic variable motor and control-oil pressure, the adjustment maximum pump discharge be controlled upper and lower speed.
Profile type energy-conserving hydraulic pumping unit of the present utility model, the Variable Control of hydraulic variable displacement pump 2 and hydraulic variable motor 3 is controlled through the first reversal valve 8.1 by the flow of hydraulic control pump 4.By hydraulic variable motor 3 flywheel 5 that recovers energy, by hydraulic variable displacement pump 2, release energy, motor 1 only needs to consume less energy consumption and flywheel 5 and recovers energy and work together to hydraulic variable displacement pump 2 and make linkage increase, thereby, the energy consumption of greatly having saved motor 1.
Embodiment bis-: as shown in Figure 2, a kind of profile type energy-conserving hydraulic pumping unit, comprise motor 1, the flywheel 5 driven by motor 1, the hydraulic variable displacement pump 2 driven by motor 1, hydraulic control pump 4, for the linkage 12 be connected with outside sucker rod, drive at least one hydraulic drive unit of linkage 12 risings and decline, be triggered to set the position detecting device of oil pumping stroke, flywheel 5, motor 1, hydraulic variable displacement pump 2, hydraulic control pump 4 are in transmission connection.
Flywheel 5 Accelerating runnings when hydraulic variable displacement pump 2 is the zero delivery free-runing operation, flywheel 5 fall-backs when the maximum pump discharge of hydraulic variable displacement pump 2 in setting moves.
Hydraulic drive unit adopts hydraulic jack 10, hydraulic jack 10 is separated into epicoele and cavity of resorption by piston 101, the epicoele of hydraulic jack 10 is fuel-displaced oil pocket, the cavity of resorption of hydraulic jack 10 has piston rod 102, the cavity of resorption of hydraulic jack 10 is the oil-feed oil pocket, and the piston rod 102 of hydraulic jack 10 is connected with linkage 12.
The oil-out of hydraulic variable displacement pump 2 connects the oil-in of the first one way valve 6.1, and the oil-out of the first one way valve 6.1 is connected to the oil-feed oil pocket of hydraulic jack 10, and the fuel-displaced oil pocket of hydraulic jack 10 connects fuel tank.
The oil-out of hydraulic control pump 4 connects the oil-in of the second one way valve 6.2, the oil-out of the second one way valve 6.2 connects the oil-feed P mouth of the second reversal valve 8.2, the fuel-displaced A mouth of the second reversal valve 8.2 be connected to hydraulic variable displacement pump 2 the variable piston without the bar oil pocket, the fuel-displaced B mouth of the second reversal valve 8.2 is connected to fuel tank, and the oil return T mouth of the second reversal valve 8.2 is connected to fuel tank.
The a electromagnet of the second reversal valve 8.2 obtains when electric, the fuel-displaced B mouth conducting of the oil-feed P mouth of the second reversal valve 8.2 and the second reversal valve 8.2, the oil return T mouth conducting of the fuel-displaced A mouth of the second reversal valve 8.2 and the second reversal valve 8.2.
During a electromagnet dead electricity of the second reversal valve 8.2, the fuel-displaced A mouth conducting of the oil-feed P mouth of the second reversal valve 8.2 and the second reversal valve 8.2, the oil return T mouth conducting of the fuel-displaced B mouth of the second reversal valve 8.2 and the second reversal valve 8.2.
By Artificial Control, it obtains electric or dead electricity to a electromagnet of the second reversal valve 8.2; Perhaps; The a electromagnet of the second reversal valve 8.2 is controlled it by position detecting device and is obtained electric or dead electricity.
The a electromagnet dead electricity of the second reversal valve 8.2 when position detecting device obtains the upper signal in the oil pumping stroke, when position detecting device obtains the bottom signal in the oil pumping stroke, a electromagnet of the second reversal valve 8.2 obtains electric.Particularly, position detecting device comprises lower switches 11.2 and upper switches 11.1.While in linkage 12 uphill process, triggering upper switches 11.1, position detecting device obtains the upper signal in the oil pumping stroke, and while in linkage 12 decline processes, triggering lower switches 11.2, position detecting device obtains the bottom signal in the oil pumping stroke.
Concrete, a electromagnet dead electricity of the second reversal valve 8.2 while in linkage 12 uphill process, triggering upper switches 11.1; While in linkage 12 decline processes, triggering lower switches 11.2, a electromagnet of the second reversal valve 8.2 obtains electric.
In working oil path between the oil-feed oil pocket of the oil-out of the first one way valve 6.1 and hydraulic jack 10 and be connected to the 3rd electromagnetic relief valve 7.3, the three electromagnetic relief valves 7.3 it obtains electric or dead electricity by Artificial Control; Perhaps; The 3rd electromagnetic relief valve 7.3 is controlled it by position detecting device and is obtained electric or dead electricity.
When position detecting device obtains the upper signal in the oil pumping stroke the 3rd electromagnetic relief valve 7.3 electric, the 3rd electromagnetic relief valve 7.3 dead electricity when position detecting device obtains the bottom signal in the oil pumping stroke.Particularly, position detecting device comprises lower switches 11.2 and upper switches 11.1; While in linkage 12 uphill process, triggering upper switches 11.1, the 3rd electromagnetic relief valve 7.3 obtains electric; The 3rd electromagnetic relief valve 7.3 dead electricity while in linkage 12 decline processes, triggering lower switches 11.2.
In working oil path between the oil-feed oil pocket of the oil-out of the first one way valve 6.1 and hydraulic jack 10 and be connected to one-way throttle valve 9, one-way throttle valve 9 carries out repairing for the oil-feed oil pocket to hydraulic jack 10 and for the decrease speed of manual adjustments linkage 12.
In oil circuit control between the oil-feed P mouth of the oil-out of the second one way valve 6.2 and the second reversal valve 8.2 and be connected to that the second overflow valve 7.2, the second overflow valves 7.2 carry out pressure setting for the pressure oil to hydraulic control pump 4 output and for the protection of the oil circuit control between the oil-feed P mouth of the oil-out of the second one way valve 6.2 and the second reversal valve 8.2.
Be serially connected with the second one-way throttle valve 3, the second one-way throttle valves 3 in working oil path between the oil-feed oil pocket of the oil-out of the first one way valve 6.1 and hydraulic jack 10 for regulating the decrease speed of linkage 12.
Embodiment bis-is with the difference of embodiment mono-: for heavy crude well, descending power is very little, and speed is slow, is difficult to be recovered to the potential energy in the decline process.Therefore the mode that reclaims decline potential energy for hydraulic variable motor in embodiment mono-becomes after the 3rd electromagnetic relief valve 7.3 pressure releases in embodiment mono-by the second one-way throttle valve 3 throttle grvernings, and flywheel is next cycle hydraulic variable displacement pump use of rising by the slip storage power of motor.
In embodiment bis-, motor 1 starts, the a electromagnet of the second reversal valve 8.2 and the equal dead electricity of the 3rd electromagnetic relief valve 7.3, the fuel-displaced A mouth of the oil-feed P mouth of the second reversal valve 8.2 and the second reversal valve 8.2 is communicated with, hydraulic variable displacement pump 2 is the unloaded lotus running of zero delivery, linkage 12 is halted state, and hydraulic variable displacement pump 2, hydraulic control pump 4, flywheel 5 are in transmission connection and accelerate to high slippage rotating speed.
When a electromagnet of the second reversal valve 8.2 obtain electric after, the fuel-displaced A mouth of the second reversal valve 8.2 is communicated with the oil return T mouth of the second reversal valve 8.2, the maximum pump discharge of hydraulic variable displacement pump 2 in setting, the pressure oil of hydraulic variable displacement pump 2 outputs drives linkage 12 to rise through the first one way valve 6.1, and flywheel 5 releases energy and rotating speed descends.
Trigger upper switches 11.1 in linkage 12 uphill process after, the a electromagnet dead electricity of the second reversal valve 8.2, the 3rd electromagnetic relief valve 7.3 obtains electric pressure release, hydraulic variable displacement pump 2 vanishing discharge capacity free-runing operations, flywheel 2 starts to accelerate to the energy storage of high slip rotating speed, because the 3rd electromagnetic relief valve 7.3 pressure releases make linkage 12, start to descend, the medium velocity that descended is regulated by the second one-way throttle valve 3 speed governing simultaneously.Be triggered to lower switches 11.2 in linkage 12 decline processes after, the 3rd electromagnetic relief valve 7.3 starts again dead electricity, and a electromagnet of the second reversal valve 8.2 is electricity again, starts cycle movement repeatedly.
In Fig. 1, Fig. 2, parts shown in the left-hand broken line frame belong to control section, and in Fig. 1, Fig. 2, parts shown in right side dotted line frame belong to operating part.
The above-mentioned foundation desirable embodiment of the present utility model of take is enlightenment, and by above-mentioned description, the relevant staff can, in the scope that does not depart from this utility model technological thought, carry out various change and modification fully.The technical scope of this utility model is not limited to the content on manual, must determine its technical scope according to the claim scope.
Claims (10)
1. a profile type energy-conserving hydraulic pumping unit, it is characterized in that: comprise motor (1), the flywheel (5) driven by motor (1), the hydraulic variable displacement pump (2) driven by motor (1), for the linkage (12) be connected with outside sucker rod, at least one hydraulic drive unit that drives linkage (12) to rise and descend, hydraulic variable displacement pump (2) drives hydraulic drive unit, and described flywheel (5), motor (1), hydraulic variable displacement pump (2) are in transmission connection.
2. a kind of profile type energy-conserving hydraulic pumping unit according to claim 1, it is characterized in that: comprise the hydraulic variable motor (3) driven by motor (1), control the hydraulic control pump (4) of hydraulic variable motor (3) and hydraulic variable displacement pump (2), be triggered to set the position detecting device of oil pumping stroke, described flywheel (5), motor (1), hydraulic variable displacement pump (2), hydraulic variable motor (3), hydraulic control pump (4) are in transmission connection.
3. a kind of profile type energy-conserving hydraulic pumping unit according to claim 2, it is characterized in that: described hydraulic drive unit is hydraulic jack (10), the oil-out of described hydraulic variable displacement pump (2) connects the oil-in of the first one way valve (6.1), the oil-out of described the first one way valve (6.1) is connected to the oil-feed oil pocket of hydraulic jack (10), the fuel-displaced oil pocket of hydraulic jack (10) connects fuel tank, and the oil-out of described hydraulic variable motor (3) is connected to the oil-feed oil pocket of hydraulic jack (10);
The oil-out of described hydraulic control pump (4) connects the oil-in of the second one way valve (6.2), the oil-out of described the second one way valve (6.2) connects the oil-feed P mouth of the first reversal valve (8.1), the fuel-displaced A mouth of described the first reversal valve (8.1) be connected to hydraulic variable displacement pump (2) the variable piston without the bar oil pocket, the fuel-displaced B mouth of described the first reversal valve (8.1) be connected to hydraulic variable motor (3) the variable piston without the bar oil pocket, the oil return T mouth of described the first reversal valve (8.1) connects fuel tank.
4. a kind of profile type energy-conserving hydraulic pumping unit according to claim 3; it is characterized in that: in the working oil path between the oil-feed oil pocket of the oil-out of the first one way valve (6.1) and hydraulic jack (10) and be connected to the first overflow valve, the first overflow valve is for the protection of the working oil path between the oil-feed oil pocket of the oil-out of the first one way valve (6.1) and hydraulic jack (10).
5. a kind of profile type energy-conserving hydraulic pumping unit according to claim 1, it is characterized in that: comprise the hydraulic control pump (4) of controlling hydraulic variable displacement pump (2), be triggered to set the position detecting device of oil pumping stroke, described flywheel (5), motor (1), hydraulic variable displacement pump (2), hydraulic control pump (4) are in transmission connection.
6. a kind of profile type energy-conserving hydraulic pumping unit according to claim 5, it is characterized in that: described hydraulic drive unit is hydraulic jack (10), the oil-out of described hydraulic variable displacement pump (2) connects the oil-in of the first one way valve (6.1), the oil-out of described the first one way valve (6.1) is connected to the oil-feed oil pocket of hydraulic jack (10), and the fuel-displaced oil pocket of hydraulic jack (10) connects fuel tank;
The oil-out of hydraulic control pump (4) connects the oil-in of the second one way valve (6.2), the oil-out of the second one way valve (6.2) connects the oil-feed P mouth of the second reversal valve (8.2), the fuel-displaced A mouth of the second reversal valve (8.2) be connected to hydraulic variable displacement pump (2) the variable piston without the bar oil pocket, the fuel-displaced B mouth of the second reversal valve (8.2) is connected to fuel tank, and the oil return T mouth of the second reversal valve (8.2) is connected to fuel tank;
In working oil path between the oil-feed oil pocket of the oil-out of the first one way valve (6.1) and hydraulic jack (10) and be connected to the 3rd electromagnetic relief valve (7.3).
7. according to the described a kind of profile type energy-conserving hydraulic pumping unit of claim 3 or 6, it is characterized in that: in the working oil path between the oil-feed oil pocket of the oil-out of the first one way valve (6.1) and hydraulic jack (10) and be connected to one-way throttle valve (9), one-way throttle valve (9) carries out repairing for the oil-feed oil pocket to hydraulic jack and for the decrease speed of manual adjustments linkage.
8. according to the described a kind of profile type energy-conserving hydraulic pumping unit of claim 3 or 6; it is characterized in that: in the oil circuit control between the oil-feed P mouth of the oil-out of the second one way valve (6.2) and the first reversal valve (8.1) or the second reversal valve (8.2) and be connected to the second overflow valve (7.2), the second overflow valve (7.2) carries out pressure setting for the pressure oil to hydraulic control pump (4) output and for the protection of the oil circuit control between the oil-feed P mouth of the oil-out of the second one way valve (6.2) and the first reversal valve (8.1) or the second reversal valve (8.2).
9. a kind of profile type energy-conserving hydraulic pumping unit according to claim 6, is characterized in that: in the working oil path between the oil-feed oil pocket of the oil-out of the first one way valve (6.1) and hydraulic jack (10), be serially connected with the second one-way throttle valve (13).
10. according to the described a kind of profile type energy-conserving hydraulic pumping unit of claim 3 or 6, it is characterized in that: described position detecting device comprises lower switches (11.2) and upper switches (11.1),
Described hydraulic jack (10) is separated into epicoele and cavity of resorption by piston (101), the epicoele of hydraulic jack (10) is fuel-displaced oil pocket, the cavity of resorption of hydraulic jack (10) has piston rod (102), the cavity of resorption of hydraulic jack is the oil-feed oil pocket, and the piston rod (102) of hydraulic jack (10) is connected with linkage (12).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320225817.XU CN203383788U (en) | 2013-04-27 | 2013-04-27 | Flywheel energy-saving hydraulic pumping unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320225817.XU CN203383788U (en) | 2013-04-27 | 2013-04-27 | Flywheel energy-saving hydraulic pumping unit |
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| CN203383788U true CN203383788U (en) | 2014-01-08 |
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| CN201320225817.XU Expired - Lifetime CN203383788U (en) | 2013-04-27 | 2013-04-27 | Flywheel energy-saving hydraulic pumping unit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555741A (en) * | 2014-12-31 | 2015-04-29 | 中联重科股份有限公司 | Main winch control system for rotary drilling rig and rotary drilling rig |
| CN105484704A (en) * | 2015-12-22 | 2016-04-13 | 上海兰石重工机械有限公司 | Numerical-control hydraulic oil pumping machine |
| CN106523457A (en) * | 2016-11-22 | 2017-03-22 | 天津海安科技有限公司 | Electric hydraulic control mechanism |
| CN106593969A (en) * | 2016-11-22 | 2017-04-26 | 天津海安科技有限公司 | Electric hydraulic control mechanism |
| CN106640798A (en) * | 2016-11-22 | 2017-05-10 | 天津海安科技有限公司 | Electro-hydraulic control mechanism capable of adjusting pressure and unloading |
| CN106762926A (en) * | 2016-11-22 | 2017-05-31 | 天津海安科技有限公司 | Pressure-adjustable and the electrohydraulic controlling mechanism of off-load |
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2013
- 2013-04-27 CN CN201320225817.XU patent/CN203383788U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555741A (en) * | 2014-12-31 | 2015-04-29 | 中联重科股份有限公司 | Main winch control system for rotary drilling rig and rotary drilling rig |
| CN105484704A (en) * | 2015-12-22 | 2016-04-13 | 上海兰石重工机械有限公司 | Numerical-control hydraulic oil pumping machine |
| CN105484704B (en) * | 2015-12-22 | 2018-01-09 | 上海兰石重工机械有限公司 | Numerical control hydraulic oil pumper |
| CN106523457A (en) * | 2016-11-22 | 2017-03-22 | 天津海安科技有限公司 | Electric hydraulic control mechanism |
| CN106593969A (en) * | 2016-11-22 | 2017-04-26 | 天津海安科技有限公司 | Electric hydraulic control mechanism |
| CN106640798A (en) * | 2016-11-22 | 2017-05-10 | 天津海安科技有限公司 | Electro-hydraulic control mechanism capable of adjusting pressure and unloading |
| CN106762926A (en) * | 2016-11-22 | 2017-05-31 | 天津海安科技有限公司 | Pressure-adjustable and the electrohydraulic controlling mechanism of off-load |
| CN106593969B (en) * | 2016-11-22 | 2019-01-08 | 佛山金华信智能科技有限公司 | Electrohydraulic controlling mechanism |
| CN106762926B (en) * | 2016-11-22 | 2019-05-10 | 南通华德锻压机床有限公司 | The electrohydraulic controlling mechanism of pressure-adjustable and off-load |
| CN106523457B (en) * | 2016-11-22 | 2019-05-10 | 天嘉智能装备制造江苏股份有限公司 | Electrohydraulic controlling mechanism |
| CN106640798B (en) * | 2016-11-22 | 2019-05-31 | 南京汇强机械设备有限公司 | The electrohydraulic controlling mechanism of pressure-adjustable and off-load |
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Effective date of registration: 20180918 Address after: 213001 room 442, North District, innovation and technology building, Hi-Tech Park, Xinbei District, Changzhou, Jiangsu Patentee after: Changzhou able Fluid Technology Co.,Ltd. Address before: 213161 room 17, unit 17, Kumho apartment, Hutang Town, Wujin District, Changzhou, Jiangsu. Patentee before: Wang Wenwen |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |
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| CX01 | Expiry of patent term |