CN104370228A - Winch and oil pumping unit - Google Patents

Winch and oil pumping unit Download PDF

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Publication number
CN104370228A
CN104370228A CN201410645042.0A CN201410645042A CN104370228A CN 104370228 A CN104370228 A CN 104370228A CN 201410645042 A CN201410645042 A CN 201410645042A CN 104370228 A CN104370228 A CN 104370228A
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CN
China
Prior art keywords
energy
storage unit
reel
pump
winch
Prior art date
Application number
CN201410645042.0A
Other languages
Chinese (zh)
Inventor
贾俊敏
孙军
罗军
邢心
付小坡
高文明
谭营
梁振华
周华
孙翠荣
罗鹏飞
曾涛
孔令坤
尤春坤
Original Assignee
中国石油天然气股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 中国石油天然气股份有限公司 filed Critical 中国石油天然气股份有限公司
Priority to CN201410645042.0A priority Critical patent/CN104370228A/en
Publication of CN104370228A publication Critical patent/CN104370228A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28Other constructional details
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02Installations or systems with accumulators
    • F15B1/04Accumulators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D2700/00Capstans, winches or hoists
    • B66D2700/01Winches, capstans or pivots
    • B66D2700/0183Details, e.g. winch drums, cooling, bearings, mounting, base structures, cable guiding or attachment of the cable to the drum
    • Y02E60/15

Abstract

The invention discloses a winch and an oil pumping unit. The winch comprises a winding drum, a driving mechanism and an energy conversion and storage device, wherein the winding drum comprises a first end and a second end, the first end is opposite to the second end, the driving mechanism is connected with the first end and used for driving the winding drum to rotate, and the energy conversion and storage device is connected with the second end. In the paying-off process of the winding drum, the energy conversion and storage device can convert mechanical energy into storable energy so that energy can be stored; in the taking-up process of the winding drum, the energy conversion and storage device can convert the storable energy stored by the energy conversion and storage device into mechanical energy so that the winding drum can be driven to rotate. When the oil pumping unit of the winch is in use, no balance weights need to be added.

Description

Winch and oil pumper

Technical field

The application relates to technical field of crane equipment, particularly relates to a kind of winch and oil pumper.

Background technology

Winch is also called winch, and it is a kind of weight-lifting equipment, and it generally includes motor and by motor-driven reel, winch by reel lay winding wire ropes or chain lifting weight to realize the lifting of weight.Winch can be used alone, and also can do lifting, build the road and constituent elements in the machinery such as mine hoisting, because of simple to operate, wiring amount is large, dislocation convenient and widespread use.

At present in field produces, the oil production equipment widely using winch is oil pumper, oil pumper is in oil pumping process, drive piston crank mechanism that walking beam is swung up and down by its winch, then drive pumping rod and oil well pump back and forth to operate up and down by the beam hanger on crank connecting link and realize crude oil from Oilwell swabbing to ground.

Because oil pumper needs to drive pumping rod and oil well pump to operate up and down, its working process can be divided into upstroke and down stroke.When oil pumper upstroke, beam hanger need mention pumping rod and oil well pump, because upstroke electrical motor will pay very large energy, so now electrical motor is in motoring condition.When down stroke, pumping rod and oil well pump just can fall under the effect of self gravitation, and, in down stroke, pumping rod does work to electrical motor, electrical motor is made to be in the running state of electrical generator, the load of such upstroke, down stroke is extremely uneven, will seriously affect efficiency and the life-span of the winch motor of oil pumper.In order to eliminate these shortcomings, generally on the walking beam afterbody or crank of oil pumper or two places all add balance weight.So, when suspension point down stroke, balance weight be lifted to eminence from lower, increase the potential energy of balance weight.In order to raise balance weight, except the potential energy falling to discharging except relying on string of rods, electrical motor is also wanted to pay portion of energy.When upstroke, balance weight is fallen by eminence, and the potential energy stored during down stroke is discharged, and helps electrical motor to promote pumping rod and fluid column, decreases electrical motor required energy provided when upstroke.

In actual production, the balance weight that oil pumper is taked is generally more than 1 ton, and bulky, and this just makes the volume weight of oil pumper all comparatively huge, installs, moves, dismounting etc. is all more difficult, cause its field of application comparatively limited.

Summary of the invention

In view of the deficiencies in the prior art, the application provides a kind of winch and oil pumper, does not need to increase balance weight can make oil pumper.

A kind of winch that the application provides, comprising:

Reel, it has relative first end and the second end;

The driver train be connected with described first end, it is for driving described spool turns;

The transformation of energy memory storage be connected with described second end, in described reel unwrapping wire process, described transformation of energy memory storage mechanical energy can be converted to can stored energy to store; In described reel take-up process, what described transformation of energy memory storage was stored stored energy can be converted to mechanical energy and rotates to drive described reel.

Preferably, described transformation of energy memory storage comprises fuel tank, Storage Unit, pump/motor;

Low pressure oil liquid is stored in described fuel tank;

Described Storage Unit can accumulation of energy and exoergic, when described Storage Unit accumulation of energy, the high-voltage oil liquid inputted from described pump/motor is converted to low pressure fluid and carries out storing and the hydraulic energy between high-voltage oil liquid and low pressure fluid is converted to potential energy and store by described Storage Unit; When described Storage Unit exoergic, the potential energy converting and energy that described Storage Unit is stored is hydraulic energy and forms high-voltage oil liquid by the low pressure fluid that the hydraulic energy of its conversion is stored to transport to described pump/motor;

Described pump/motor one end connects described second end, its other end connects described fuel tank and described Storage Unit respectively by pipeline, in described reel take-up process, the high-voltage oil liquid inputted from described Storage Unit is converted to low pressure fluid and transports to described fuel tank and the hydraulic energy between high-voltage oil liquid and low pressure fluid is converted to mechanical energy and rotate to drive described reel by described pump/motor; In described reel unwrapping wire process, the mechanical energy transmitted from described reel is converted to hydraulic energy and by the hydraulic energy of its conversion, the low pressure fluid inputted from described fuel tank is converted to high-voltage oil liquid by described pump/motor transports to described Storage Unit.

Preferably, described Storage Unit is also connected with complementary energy unit, and described complementary energy unit can fill into pressure lower than during setting pressure at the pressure of described Storage Unit inside in described Storage Unit.

Preferably, described complementary energy unit comprises controller, oil pump, actuator; Described oil pump connects described Storage Unit and described fuel tank, and the low pressure fluid in described fuel tank can be inputed to described Storage Unit by it; Described actuator connects described oil pump to drive described oil pump; Described controller connects described actuator, when pressure in described Storage Unit inside is lower than described setting pressure, described controller starts described actuator, and when the pressure of described Storage Unit inside is not less than described Storage Unit maximum working pressure, described controller stops described actuator.

Preferably, be connected with check valve between described oil pump and described Storage Unit and be back to described oil pump to prevent the low pressure fluid in described Storage Unit.

Preferably, described first end and described second end built-in retarder respectively, described reel is connected with described driver train and described pump/motor by described retarder.

Preferably, described retarder is planetary reduction gear.

Preferably, described driver train is motor or HM Hydraulic Motor.

Preferably, described Storage Unit is hydraulic bag type energy storage, and its quantity is multiple.

The application also provides a kind of oil pumper, comprising:

Support,

Install walking beam on the bracket, its one end is connected with horse head, and described horse head is connected with beam hanger with connecting with pumping rod; Its other end is connected with the reel of the winch as described in claim 1 to 9 any one.

By above description, can find out that winch that the application provides in terms of existing technologies, when being used on oil pumper, the winch provided due to the application has described transformation of energy memory storage, and described transformation of energy memory storage has possessed the effect of the balance weight of prior art, so oil pumper need not be configured balance weight again can carry out oil extraction operation.And the quality of described transformation of energy memory storage is far smaller than balance weight, this just make use the application institute provide the oil pumper of winch be not only beneficial to migration and be easy to install and dismantle.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those skilled in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is the winch schematic diagram that a kind of embodiment of the application provides;

Fig. 2 be an embodiment of the application the driver train of winch, pump/motor and reel connection diagram are provided;

Fig. 3 is the bellows Storage Unit schematic diagram that an embodiment of the application provides;

Fig. 4 is the planetary reduction gear schematic diagram that an embodiment of the application provides;

Fig. 5 is the complementary energy cell schematics that an embodiment of the application provides.

Detailed description of the invention

Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all should belong to the scope of protection of the invention.

Please refer to Fig. 1, a kind of winch that the application provides, comprising: reel 1, it has relative first end 11 and the second end 12; The driver train 2 be connected with described first end 11, it rotates for driving described reel 1; The transformation of energy memory storage be connected with described second end 12, in described reel 1 unwrapping wire process, described transformation of energy memory storage mechanical energy can be converted to can stored energy to store; In described reel 1 take-up process, what described transformation of energy memory storage was stored stored energy can be converted to mechanical energy and rotates to drive described reel 1.

During use, the reel 1 of winch present embodiment provided is connected by steel rope or chain to be waited to be elevated weight, and described reel 1 realizes by take-up and unwrapping wire the lifting or the decline that control weight.When declining described weight, described reel 1 carries out unwrapping wire, now described driver train 2 stops doing manual work, when weight declines, its potential energy is the mechanical energy of reel 1, described mechanical energy is passed to described transformation of energy memory storage by described reel 1, now, described transformation of energy memory storage mechanical energy can be converted to can stored energy to carry out storing using when described reel 1 lifting heavy.When promoting described weight, described driver train 2 drives the rotation of described reel 1 to carry out take-up with lifting heavy, simultaneously, what described transformation of energy memory storage was stored stored energy can be converted to mechanical energy (i.e. torque and rotational speed), the mechanical energy that described transformation of energy memory storage is transformed passes to reel 1 and rotates to drive described reel 1, and then assist described driver train 2 jointly to drive described reel 1 to rotate, make described reel 1 complete take-up.

By above description, can find out that winch that present embodiment provides in terms of existing technologies, when being used on oil pumper, the winch provided due to present embodiment has described transformation of energy memory storage, and described transformation of energy memory storage has possessed the effect of the balance weight of prior art, so oil pumper need not be configured balance weight again can carry out oil extraction operation.And the quality of described transformation of energy memory storage is far smaller than balance weight, is not only beneficial to migration and is easy to install and dismounting.

Described transformation of energy memory storage connects described second end 12, concrete, can connect the transmission carrying out rotating by axle.Described transformation of energy memory storage mechanical energy can be converted to can stored energy to store; In described reel 1 take-up process, what described transformation of energy memory storage was stored stored energy can be converted to mechanical energy and rotates to drive described reel 1.Describedly stored energy can comprise the energy that potential energy, kinetic energy, heat energy etc. can store.

Please refer to Fig. 1, in an embodiment of the application, described transformation of energy memory storage comprises fuel tank 10, Storage Unit 4, pump/motor 3.Low pressure oil liquid is stored in described fuel tank 10.Described Storage Unit 4 can accumulation of energy and exoergic.When described Storage Unit 4 accumulation of energy, the high-voltage oil liquid inputted from described pump/motor 3 is converted to low pressure fluid and carries out storing and the hydraulic energy between high-voltage oil liquid and low pressure fluid is converted to potential energy and store by described Storage Unit 4.When described Storage Unit 4 exoergic, the potential energy converting and energy that described Storage Unit 4 is stored is hydraulic energy and forms high-voltage oil liquid by the low pressure fluid that the hydraulic energy of its conversion is stored to transport to described pump/motor 3.Described pump/motor 3 one end connects described second end 12, and its other end connects described fuel tank 10 and described Storage Unit 4 respectively by pipeline.In described reel 1 take-up process, the high-voltage oil liquid inputted from described Storage Unit 4 is converted to low pressure fluid and transports to described fuel tank 10 and the hydraulic energy between high-voltage oil liquid and low pressure fluid is converted to mechanical energy and rotate to drive described reel 1 by described pump/motor 3; In described reel 1 unwrapping wire process, the mechanical energy transmitted from described reel 1 is converted to hydraulic energy and by the hydraulic energy of its conversion, the low pressure fluid inputted from described fuel tank 10 is converted to high-voltage oil liquid by described pump/motor 3 transports to described Storage Unit 4.Certainly; the above-mentioned building form of described transformation of energy memory storage is only the one preferably embodiment obtained after contriver pays hardships experiment; under the prompting of the marrow provided in present embodiment; those skilled in the art should learn that the application also has other embodiments; so within all spirit in present embodiment and principle; any amendment of making, equivalent replacement, improvement etc., within the protection domain that all should be included in the application.

Please refer to Fig. 2, the described reel 1 of present embodiment is different from the reel 1 of prior art winch, and the two ends of the reel 1 that present embodiment provides are coupling end, i.e. described first end 11 and described second end 12.Described reel 1 can be undertaken promoting or drawing weight by wound upon themselves steel rope or chain.Described first end 11 and described second end 12 of described reel 1 provide two adapter shafts respectively, connect different actuating devices by adapter shaft.Described actuating device is described driver train 2 and described pump/motor 3.

Further, in order to balance described reel 1 problem inconsistent with rotating speed between described driver train 2 and described pump/motor 3 and give described reel 1 larger moment of torsion, described first end 11 can distinguish built-in retarder with described second end 12, described retarder is a kind of power transmission mechanism, it is a kind of rate conversion mechanism utilizing different large miniature gears, the revolution of motor is decelerated to desired revolution, and obtain the mechanism of larger torque, so described retarder can play the effect of coupling rotating speed and transmitting torque, described reel 1 is connected with described driver train 2 and described pump/motor 3 by described retarder.Accordingly, consider that described driver train 2 exists inconsistent situation with the rotating speed of described pump/motor 3, so the retarder being built in described first end 11 is the first retarder 8, the retarder being built in described second end 12 is the second retarder 9, and described first retarder 8 is different from the reduction of speed effect of described second retarder 9.The such as axle rotating speed of described driver train 2 is 1500 rpms (r/min), the axle rotating speed of described pump/motor 3 is 1800 rpms, and the rotating speed needed for described reel 1 is 50 rpms, now, need described first retarder 8 that the rotating speed of described driver train 2 is reduced by 30 times and pass to reel 1 again, need described second retarder 9 that the rotating speed of described pump/motor 3 is reduced by 36 times and pass to reel 1 again.The mode that described first end 11 is connected described first retarder 8 and described second retarder 9 respectively with described second end 12 is built-in, certainly, built-in retarder is adopted to be that consider can reduction means volume, described retarder can also adopt other assembling modes such as external grade, and the application is not as limit.

Please refer to Fig. 4, consider the of a great variety of existing retarder, described in a specific embodiment of present embodiment, the first retarder 8 can adopt planetary reduction gear.Big gear wheel on the gears meshing output shaft that the number of teeth on described planetary reduction gear transmission shaft is few is to reach the object of deceleration, and it is little, lightweight that described planetary reduction gear has volume, and load-carrying capacity is high, long service life, smooth running, low noise advantages.

Please continue to refer to Fig. 2, described pump/motor 3 connects described second end 12 by described retarder, and it has the function of HM Hydraulic Motor and Hydraulic Pump simultaneously.Described pump/motor 3 rotates and reverse by axle the conversion realizing Hydraulic Pump and HM Hydraulic Motor two kinds of functions.When using as Hydraulic Pump, flow is directly proportional to revolution and discharge capacity; When being used as HM Hydraulic Motor use, its output revolutions and flow are directly proportional and are inversely proportional to discharge capacity.Described pump/motor 3 has turning cylinder one end and hydraulic pressure end, as shown in Figure 1, the both sides of described hydraulic pressure end offer two ports and then connect low pressure line 6 and pressure duct 7, be divided into high pressure side and low pressure side by the both sides of hydraulic pressure end described in the large young pathbreaker of pressure in low pressure line 6 and pressure duct 7, the output torque of described pump/motor 3 is relevant to the pressure reduction between described high pressure side and described low pressure side.Described low pressure line 6 connects described fuel tank 10, and when described reel 1 take-up, the low pressure fluid that described pump/motor 3 is changed inputs in described fuel tank 10 by described low pressure line 6.When described reel 1 unwrapping wire, the low pressure fluid in described fuel tank 10 inputs in described pump/motor 3 by described low pressure line 6.Accordingly, described pump/motor 3 is connected with described Storage Unit 4 by described pressure duct 7, when described reel 1 take-up, high-voltage oil liquid from described Storage Unit 4 is transported in described pump/motor 3 by described pressure duct 7, when described reel 1 unwrapping wire, the high-voltage oil liquid that described pump/motor 3 is changed is transported to described Storage Unit 4 by described pressure duct 7.

Described fuel tank 10 stores low pressure fluid, and the low pressure fluid that it stores is the necessary energy transmission medium of whole transformation of energy memory storage.Certainly, described low pressure fluid is for the high-voltage oil liquid transmitted between described pump/motor 3 and described Storage Unit 4.Volume in described fuel tank 10 is at least the volume of the circulation fluid in transferring energy process and the topping up volume sum of described Storage Unit 4.In a practical situation, consider that fluid should account for about 80% of fuel tank 10 cumulative volume, so the topping up volume sum of the volume of described circulation fluid and described Storage Unit 4 should be close with 80% of the volume of described fuel tank 10.

Described Storage Unit 4 is a kind of energy savings devices in hydropneumatic system.It can be in due course the energy conversion in system is that potential energy (compression energy or potential energy) stores, when system needs, again potential energy (compression energy or potential energy) changed into the energy such as hydraulic pressure or air pressure and discharge, again mending feed system.The described Storage Unit 4 that present embodiment adopts is a kind of device potential energy and hydraulic energy transformed mutually, and potential energy can store by himself.Due to, there are outer bound pair its acting and its two kinds of situations of doing work to external world in described Storage Unit 4, therefore it exists maximum working pressure (MWP) and minimum operating pressure.

Please refer to Fig. 3, described Storage Unit 4 can adopt hydraulic bag type energy storage 41, described hydraulic bag type energy storage 41 is a kind of gas type energy storages, and it completes Conversion of Energy by pressure gas, is first filled with the gas of set pressure during use to hydraulic bag type energy storage 41.When system pressure exceedes hydraulic bag type energy storage 41 internal pressure, fluid pressure gas, is converted into gas internal energy by the pressure in fluid; When system pressure is lower than hydraulic bag type energy storage 41 internal pressure, the oil in hydraulic bag type energy storage 41, in the flows by action externally system of high pressure gas, releases energy.Certainly, the number of described hydraulic bag type energy storage 41 can for multiple to obtain good energy storage effect, and such as 4,6 etc., present embodiment is not as limit.

Please refer to Fig. 2, described driver train 2 can be motor or HM Hydraulic Motor.Described motor is also referred to as electro-motor, and electric energy conversion is become mechanical energy for a kind of by it, and can re-use mechanical energy and produce kinetic energy, is used for driving the electrical equipment of other devices.HM Hydraulic Motor is a kind of power element of hydraulic efficiency pressure system, and the fluid pressure that Hydraulic Pump provides by it can change the mechanical energy (torque and rotational speed) of its output shaft into.In present embodiment, described driver train 2 can take in described motor and described HM Hydraulic Motor any one.In a practical situation, because switched reluctance motor is applicable to the working condition of frequent start-stop and rotating operation, its rotating frequency can reach 1000 times/hour, and there is detent torque large (being about 200% to 300% of torque rating), starting current low efficiency high (being about 30% of rated current), electrical efficiency is greater than 0.92, waste of power is less, controllable parameter is many, the advantages such as good speed adjustment features, and then described motor can adopt switched reluctance motor, to adapt to the working condition of oil pumper in recovery process.

In the application's embodiment, consider that the conversion ratio of pump/motor 3 when carrying out hydraulic energy and mechanical energy transforms mutually can not be 100%, especially this equipment worked in the wild, certainly can think that mechanical wear is the principal element that efficiency reduces, after working long hours, the fluid of Storage Unit 4 inside will be caused gradually to reduce gradually, cause described Storage Unit 4 pressure to reduce gradually, the effect of complete equilibrium counterweight can not be played, and then form draining problem.Now, need to carry out repairing to described Storage Unit 4, so described Storage Unit 4 is also connected with complementary energy unit 5, described complementary energy unit 5 can fill into pressure lower than during setting pressure at the pressure of described Storage Unit 4 inside in described Storage Unit 4.Described setting pressure can be determined according to different types of described Storage Unit 4, typically, described Storage Unit 4 all has maximum working pressure (MWP) (during accumulation of energy) and minimum operating pressures that (during exoergic), described setting pressure can be lower than described minimum operating pressures that, concrete 80% or other numerical value that can take described minimum operating pressures that, present embodiment is not as limit.

Further, please refer to Fig. 5, in a preferred embodiment of above-mentioned embodiment, described complementary energy unit 5 can comprise controller 55, oil pump 53, actuator 51.Described oil pump 53 connects described Storage Unit 4 and described fuel tank 10, and the low pressure fluid in described fuel tank 10 can be inputed to described Storage Unit 4 by it.Described actuator 51 connects described oil pump 53 to drive described oil pump 53.Described controller 55 connects described actuator 51, when pressure in described Storage Unit 4 inside is lower than described setting pressure, described controller 55 starts described actuator 51, when the pressure of described Storage Unit 4 inside is not less than described Storage Unit 4 maximum working pressure, described controller 55 stops described actuator 51.Described actuator 51 can adopt motor.Described oil pump 53 can adopt twin pump.Further, be connected with check valve 54 between described oil pump 53 and described Storage Unit 4 and be back to described oil pump 53 to prevent the low pressure fluid in described Storage Unit 4.Meanwhile, described Storage Unit 4 can be connected with compression indicator 56 to monitor the pressure of described Storage Unit 4 inside.

A kind of embodiment of the application also provides a kind of oil pumper, comprising: support, and install walking beam on the bracket, its one end is connected with horse head, and described horse head is connected with beam hanger with connecting with pumping rod; Its other end is connected with the reel 1 of winch as above.

Described oil pumper owing to have employed winch as above, therefore without the need to taking the mode adding balance weight.

More than show and describe groundwork of the present invention, principal character and advantage of the present invention.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the scope of protection of present invention.Application claims protection domain is defined by appending claims and equivalent thereof.

Claims (10)

1. a winch, is characterized in that, comprising:
Reel, it has relative first end and the second end;
The driver train be connected with described first end, it is for driving described spool turns;
The transformation of energy memory storage be connected with described second end, in described reel unwrapping wire process, described transformation of energy memory storage mechanical energy can be converted to can stored energy to store; In described reel take-up process, what described transformation of energy memory storage was stored stored energy can be converted to mechanical energy and rotates to drive described reel.
2. winch as claimed in claim 1, is characterized in that: described transformation of energy memory storage comprises fuel tank, Storage Unit, pump/motor;
Low pressure oil liquid is stored in described fuel tank;
Described Storage Unit can accumulation of energy and exoergic, when described Storage Unit accumulation of energy, the high-voltage oil liquid inputted from described pump/motor is converted to low pressure fluid and carries out storing and the hydraulic energy between high-voltage oil liquid and low pressure fluid is converted to potential energy and store by described Storage Unit; When described Storage Unit exoergic, the potential energy converting and energy that described Storage Unit is stored is hydraulic energy and forms high-voltage oil liquid by the low pressure fluid that the hydraulic energy of its conversion is stored to transport to described pump/motor;
Described pump/motor one end connects described second end, its other end connects described fuel tank and described Storage Unit respectively by pipeline, in described reel take-up process, the high-voltage oil liquid inputted from described Storage Unit is converted to low pressure fluid and transports to described fuel tank and the hydraulic energy between high-voltage oil liquid and low pressure fluid is converted to mechanical energy and rotate to drive described reel by described pump/motor; In described reel unwrapping wire process, the mechanical energy transmitted from described reel is converted to hydraulic energy and by the hydraulic energy of its conversion, the low pressure fluid inputted from described fuel tank is converted to high-voltage oil liquid by described pump/motor transports to described Storage Unit.
3. winch as claimed in claim 2, it is characterized in that: described Storage Unit is also connected with complementary energy unit, described complementary energy unit can fill into pressure lower than during setting pressure at the pressure of described Storage Unit inside in described Storage Unit.
4. winch as claimed in claim 3, is characterized in that: described complementary energy unit comprises controller, oil pump, actuator; Described oil pump connects described Storage Unit and described fuel tank, and the low pressure fluid in described fuel tank can be inputed to described Storage Unit by it; Described actuator connects described oil pump to drive described oil pump; Described controller connects described actuator, when pressure in described Storage Unit inside is lower than described setting pressure, described controller starts described actuator, and when the pressure of described Storage Unit inside is not less than described Storage Unit maximum working pressure, described controller stops described actuator.
5. winch as claimed in claim 4, is characterized in that: be connected with check valve between described oil pump and described Storage Unit and be back to described oil pump to prevent the low pressure fluid in described Storage Unit.
6. winch as claimed in claim 5, is characterized in that: described first end and described second end built-in retarder respectively, described reel is connected with described driver train and described pump/motor by described retarder.
7. winch as claimed in claim 6, is characterized in that: described retarder is planetary reduction gear.
8. winch as claimed in claim 1, is characterized in that: described driver train is motor or HM Hydraulic Motor.
9. winch as claimed in claim 1, it is characterized in that: described Storage Unit is hydraulic bag type energy storage, its quantity is multiple.
10. an oil pumper, is characterized in that, comprising:
Support,
Install walking beam on the bracket, its one end is connected with horse head, and described horse head is connected with beam hanger with connecting with pumping rod; Its other end is connected with the reel of the winch as described in claim 1 to 9 any one.
CN201410645042.0A 2014-11-12 2014-11-12 Winch and oil pumping unit CN104370228A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104763385A (en) * 2015-04-09 2015-07-08 东北大学 Full hydraulic potential energy recycling energy-saving type pumping unit
CN104796049A (en) * 2015-04-27 2015-07-22 湖南海润电气有限公司 Cable drum driven by switched reluctance motor speed regulating system

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CN103643919A (en) * 2013-11-21 2014-03-19 中国石油化工股份有限公司 Continuous exploratory well oil testing and flowing device
CN204281146U (en) * 2014-11-12 2015-04-22 中国石油天然气股份有限公司 Winch and oil pumper

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CN104796049A (en) * 2015-04-27 2015-07-22 湖南海润电气有限公司 Cable drum driven by switched reluctance motor speed regulating system

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