CN112412399A

CN112412399A - Oil well oil extractor

Info

Publication number: CN112412399A
Application number: CN202011284287.7A
Authority: CN
Inventors: 陈文霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-02-26

Abstract

The invention discloses an oil well oil extracting machine, which structurally comprises a motor, an oil cylinder, an oil outlet nozzle, an oil extracting device, an outer basic well, an outer fixed pipe, an oil conveying pipe, a sliding ring and a telescopic oil extracting pipe, and has the following effects: motor and hydro-cylinder cooperate with the device of getting oil, when the movable pole setting of hydro-cylinder control descends, the liquid wheel breaks away from the transmission straight axle, the valve plate in the gas frame is opened, the motor drives the impeller and rotates this moment, toward the die cavity that forms between outer fixed pipe and the defeated oil pipe air injection, make the sliding ring drive flexible oil pipe of getting stretch out downwards perpendicularly, in order to guarantee defeated oil pipe can all the time with the oil contact in the oil reservoir, when needing to extract oil, the movable pole setting of hydro-cylinder control rises, make the liquid wheel be connected with the transmission straight axle, the valve plate in the gas frame is closed, the motor drives the liquid wheel and rotates this moment, get oil pipe and defeated oil pipe through flexible and take out oil, make oil flow out from going out the oil mouth and retrieve, thereby do benefit to under the condition that oil.

Description

Oil well oil extractor

Technical Field

The invention relates to the field of oil extraction equipment, in particular to an oil extraction machine for an oil well.

Background

With the development of the petroleum industry, more and more oil fields with high yield and deep oil reservoir burial are discovered, the original set of manual bailing method cannot be used on the oil wells, so the method is gradually eliminated, the self-injection oil extraction method and various manual lifting oil extraction methods are carried out at the same time, after one oil well is drilled by a drilling method and is put into a steel pipe to be communicated with the oil reservoir, the crude oil can be automatically ejected to the ground along the steel pipe of the oil well like a fountain, the more the pressure in the oil reservoir is, the faster and more the oil is ejected, and the pressure of the oil reservoir can be gradually reduced to the middle and later development period, the crude oil in the oil reservoir cannot be driven to the bottom of the well and lifted to the ground, and the bottom end of the oil pipe fixed on the oil well cannot be contacted with the crude oil, so that the crude oil is floated by injecting natural gas or water into the oil reservoir, the natural gas or water is large in engineering quantity, and, therefore, an oil well oil extractor needs to be developed, so that the problems that the pressure of an oil layer is gradually reduced at the middle and later stages of development, crude oil in the formation cannot be sufficiently displaced to the bottom of a well and lifted to the ground, and the bottom end of an oil pipe fixed to an oil well cannot be in contact with the crude oil, so that natural gas or water needs to be injected into the oil layer to enable the crude oil to float upwards, the natural gas or water is injected into the oil layer or the engineering quantity is large, and the crude oil in the oil layer cannot be extracted quickly are solved.

Disclosure of Invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: an oil well oil extracting machine structurally comprises a motor, an oil cylinder, an oil outlet nozzle, an oil extracting device, an outer basic well, an outer fixed pipe, an oil conveying pipe, a sliding ring and a telescopic oil extracting pipe, wherein the outer fixed pipe is arranged inside the outer basic well, the outer fixed pipe is connected with the outer basic well, the central position inside the outer fixed pipe is provided with the oil conveying pipe, the oil conveying pipe is matched with the outer fixed pipe, the telescopic oil extracting pipe is arranged between the oil conveying pipe and the outer fixed pipe, the top of the telescopic oil extracting pipe is provided with the sliding ring, the sliding ring is connected with the telescopic oil extracting pipe, the telescopic oil extracting pipe is in sliding fit with the oil conveying pipe and the outer fixed pipe through the sliding ring, the top of the outer basic well is provided with the oil extracting device, the oil extracting device is arranged at the top of the outer basic well and is connected with the oil conveying pipe, both sides of the oil extracting device are provided with the oil outlet nozzle, and the oil extracting device are connected, the top of the oil taking device is provided with a motor, the motor is matched with the oil taking device, oil cylinders are arranged on two sides of the motor, and the oil cylinders are matched with the oil taking device.

As a further optimization of the technical scheme, the oil taking device comprises an impeller, an oil-gas switching mechanism, a side gas pipe, a movable upright rod, a gas guide pipe, an oil guide pipe, a fixed frame and a gas guide mechanism, wherein the oil-gas switching mechanism is arranged at the center of the fixed frame and is installed on the fixed frame, the impeller is arranged in the oil-gas switching mechanism and is matched with the oil-gas switching mechanism, the side gas pipe is arranged on the outer ring of the oil-gas switching mechanism and is matched with the oil-gas switching mechanism, the gas guide mechanism is arranged at the bottom of the fixed frame and is installed at the bottom of the fixed frame, the gas guide pipe is arranged on the outer ring of the fixed frame, the side gas pipe is connected with the gas guide mechanism through the side gas pipe, the two oil guide pipes are arranged in the fixed frame, the oil guide pipe is installed on the oil-gas switching mechanism and connected with the oil outlet nozzle, a movable vertical rod is arranged at the top of the fixed frame, and the movable vertical rod is vertically arranged on the fixed frame and is in sliding fit with the fixed frame.

As a further optimization of the technical scheme, the oil-gas switching mechanism comprises a clamping structure, a clamping transmission structure, a transmission straight shaft, an air cover, a driven movable rod, a liquid cover and an oil pumping structure, wherein the transmission straight shaft is arranged at the center of the air cover, the transmission straight shaft is movably connected with the air cover, the liquid cover is arranged below the air cover, the oil pumping structure is arranged inside the liquid cover, the liquid cover is matched with the oil pumping structure, the driven movable rod is arranged at the top of the liquid cover, the driven movable rod is in sliding fit with the liquid cover and is matched with the oil pumping structure, the clamping structure and the clamping transmission structure are arranged above the oil pumping structure, and the clamping structure is matched with the clamping transmission structure and is arranged at the bottom end of the transmission straight shaft.

As the further optimization of this technical scheme, clamping structure including movable rod seat, fore-set, a spring, axle sleeve, interior straight-bar, axle sleeve outer lane on be equipped with the fore-set, the fore-set level set up on the axle sleeve and the two adopts sliding fit, the fore-set rear end be equipped with movable rod seat, movable rod seat and fore-set swing joint, the fore-set outer lane on be equipped with a spring, a spring around both ends fix respectively on axle sleeve and movable rod seat, axle sleeve central point put and be equipped with interior straight-bar.

As a further optimization of the technical scheme, the clamping transmission structure comprises a sliding rail, a second spring, a top plate, a limiting inner frame, a driven rod and a fixed shaft frame, the limiting inner frame is arranged at the center inside the fixed shaft frame, the limiting inner frame is fixedly connected with the fixed shaft frame, the second spring is arranged at the center of the limiting inner frame, the second spring is vertically fixed inside the limiting inner frame, the top plate is arranged at the bottom of the second spring, the top plate is connected with the second spring, the driven rod is arranged on the outer ring of the second spring, the top end of the driven rod is provided with the sliding rail, the sliding rail is buckled with the limiting inner frame, and the top end of the driven rod is in sliding fit with the sliding rail.

As a further optimization of the technical scheme, the oil pumping structure comprises a bearing, an arc groove, a connecting shaft, a liquid guiding plate and a liquid wheel, wherein the bearing is arranged at the center of the liquid guiding plate, the bearing is arranged on the liquid guiding plate, the bearing is provided with the connecting shaft, the connecting shaft is vertically arranged on the bearing, the outer ring of the connecting shaft is provided with the arc groove, the arc groove and the connecting shaft are of an integrated structure, the liquid wheel is arranged below the liquid guiding plate, and the connecting shaft is fixedly connected with the liquid wheel.

As a further optimization of the technical scheme, the gas guide mechanism comprises an inner ring, a valve plate, a gas frame, a gas pipe, a gas guide ring pipe and gas holes, the inner ring is arranged on the inner ring of the gas guide ring pipe, the inner ring is fixedly connected with the gas guide ring pipe, the gas guide ring pipe is provided with the gas holes, the gas holes and the inner ring are of an integrated structure, the gas pipe is arranged at the top of the gas guide ring pipe, the gas pipe is vertically arranged on the gas guide ring pipe, the top end of the gas pipe is provided with the valve plate, the valve plate is movably connected with the gas pipe through a movable pin shaft, the gas frame is arranged above the gas pipe, and the gas frame is connected with the gas pipe.

Advantageous effects

The oil well oil extracting machine provided by the invention has the advantages of reasonable design, strong functionality and the following beneficial effects:

the oil taking device is arranged at the top of an outer foundation well and connected with an oil conveying pipe, a motor and an oil cylinder are matched with the oil taking device, when the oil cylinder controls a movable vertical rod to descend, a liquid wheel is separated from a transmission straight shaft, a valve plate in an air frame is opened, the motor drives the movable wheel to rotate at the moment, air is filled into a cavity formed between an outer fixed pipe and the oil conveying pipe, a sliding ring drives a telescopic oil taking pipe to vertically extend downwards so as to ensure that the oil conveying pipe can be contacted with oil in an oil layer all the time, when the oil is required to be extracted, the oil cylinder controls the movable vertical rod to ascend so as to connect the liquid wheel with the transmission straight shaft, the valve plate in the air frame is closed, the motor drives the liquid wheel to rotate at the moment, the oil is extracted through the telescopic oil taking pipe and the oil conveying pipe, the oil flows out of an oil outlet and is recovered;

the invention is characterized in that a telescopic oil taking pipe is arranged in a cavity formed between an outer fixed pipe and an oil conveying pipe, the telescopic oil taking pipe is in sliding fit with the cavity through a sliding ring, an inner ring is arranged on an air guide ring pipe and is connected with the oil conveying pipe through an air hole, the air guide ring pipe is connected with an air frame through an air pipe, the top end of the air pipe is connected with a movable vertical rod through a valve plate arranged through a movable pin, when the movable vertical rod is controlled to descend by an oil cylinder, the valve plate is stressed and inclined, the air frame is communicated with the air pipe, when an impeller rotates clockwise under the drive of a transmission straight shaft, an air cover sucks air, the air is guided into the air frame through a side air pipe and the air guide pipe, the air rapidly enters the cavity, the sliding ring drives the telescopic oil taking pipe to vertically extend out from the lower end of the oil conveying pipe under the pressure of the air, when the impeller rotates anticlockwise under the drive of the transmission, the valve plate can accurately control the pressure in the cavity under the control of the movable upright rod, so that the telescopic oil taking pipe can work more stably;

the invention is characterized in that a liquid wheel is connected with a connecting shaft, the connecting shaft is connected with a liquid guiding plate through a bearing, the liquid guiding plate is arranged in a liquid cover and is in sliding fit with the liquid guiding plate, the liquid guiding plate is connected with a movable vertical rod through a driven movable rod, during the process of injecting or exhausting gas into a cavity, the movable vertical rod drives the liquid wheel and the liquid guiding plate to descend along the liquid cover under the control of an oil cylinder, so that the connecting shaft is separated from a structure formed by connecting the connecting shaft with a clamping structure and a clamping transmission structure, a transmission straight shaft independently drives an impeller to rotate, the liquid wheel and the impeller are prevented from operating synchronously, when the connecting shaft enters a shaft sleeve under the drive of the movable vertical rod, the connecting shaft pushes up an inner straight rod, a second spring is stressed and compressed, the inner straight rod is in contact with each driven rod through a circular top plate, when the top plate ascends, one end of the driven rod is arranged, each driven lever atress, the upper end is to the opposite side slope, and under the fulcrum effect that spacing inside casing formed, makes each fore-set that is connected through movable rod seat and driven lever advance to the axle sleeve level and stretch, makes fore-set and connecting axle outer wall contact, and at the transmission straight shaft in the rotation, each fore-set front end card dies inside the arc groove to realize the transmission of transmission straight shaft and connecting axle and break away from, the liquid wheel negative pressure that produces in the rotation can take out the oil in the oil blanket fast.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic diagram of a front-view cross-sectional structure of an oil well pumping unit according to the present invention;

FIG. 2 is a schematic sectional front view of the oil extraction device of the present invention;

FIG. 3 is a schematic diagram of a front sectional view of the oil-gas switching mechanism of the present invention;

FIG. 4 is a bottom view of the clamping structure of the present invention;

FIG. 5 is a front sectional view of the clamping actuator according to the present invention;

FIG. 6 is a schematic diagram of a front cross-sectional structure of an oil pumping structure according to the present invention;

FIG. 7 is a schematic top view of the gas guiding mechanism of the present invention.

In the figure: the oil pumping device comprises a motor-1, an oil cylinder-2, an oil outlet nozzle-3, an oil taking device-4, an impeller-4 a, an oil-gas switching mechanism-4 b, a clamping structure-4 b1, a movable rod seat-4 b1a, a top column-4 b1b, a first spring-4 b1c, a shaft sleeve-4 b1d, an inner straight rod-4 b1e, a clamping transmission structure-4 b2, a sliding rail-4 b2a, a second spring-4 b2b, a top plate-4 b2c, a limiting inner frame-4 b2d, a driven rod-4 b2e, a fixed shaft frame-4 b2f, a transmission straight shaft-4 b3, an air hood-4 b4, a driven movable rod-4 b5, a liquid hood-4 b6, an oil pumping structure-4 b7, a bearing-4 b7a, an arc groove-4 b7b, a connecting shaft-4 b7c, a liquid guiding plate-4 b 7-7 d, and a liquid-4 b7e wheel, Side air pipe-4 c, movable upright post-4 d, air duct-4 e, oil duct-4 f, fixed frame-4 g, air guide mechanism-4 h, inner ring-4 h1, valve plate-4 h2, air frame-4 h3, air pipe-4 h4, air duct-4 h5, air hole-4 h6, outer base well-5, outer fixed pipe-6, oil pipe-7, slip ring-8 and telescopic oil taking pipe-9.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-3, the present invention provides an oil extracting machine for an oil well, which comprises:

referring to fig. 1, the oil well pumping unit structurally comprises a motor 1, an oil cylinder 2, an oil outlet nozzle 3, an oil pumping device 4, an outer base well 5, an outer fixed pipe 6, an oil delivery pipe 7, a sliding ring 8 and a telescopic oil pumping pipe 9, wherein the outer fixed pipe 6 is arranged inside the outer base well 5, the outer fixed pipe 6 is connected with the outer base well 5, the oil delivery pipe 7 is arranged at the center inside the outer fixed pipe 6, the oil delivery pipe 7 is matched with the outer fixed pipe 6, the telescopic oil pumping pipe 9 is arranged between the oil delivery pipe 7 and the outer fixed pipe 6, the sliding ring 8 is arranged at the top of the telescopic oil pumping pipe 9, the sliding ring 8 is connected with the telescopic oil pumping pipe 9, the telescopic oil pumping pipe 9 is in sliding fit with a cavity formed between the oil delivery pipe 7 and the outer fixed pipe 6 through the sliding ring 8, the oil pumping device 4 is arranged at the top of the outer base well 5, and be connected with defeated oil pipe 7, 4 both sides of getting oily device all be equipped with glib 3, glib 3 with get oily device 4 and connect, 4 tops of getting oily device be equipped with motor 1, motor 1 with get oily device 4 and cooperate, 1 both sides of motor all be equipped with hydro-cylinder 2, hydro-cylinder 2 with get oily device 4 and cooperate.

Referring to fig. 2, the oil extraction device 4 includes an impeller 4a, an oil-gas switching mechanism 4b, a side gas pipe 4c, a movable upright rod 4d, a gas guide pipe 4e, an oil guide pipe 4f, a fixed frame 4g, and a gas guide mechanism 4h, the fixed frame 4g is disposed on the top of the outer base well 5 and fixedly connected to the outer base well, the oil-gas switching mechanism 4b is disposed at the center of the fixed frame 4g, the oil-gas switching mechanism 4b is mounted on the fixed frame 4g, the impeller 4a is disposed inside the oil-gas switching mechanism 4b, the impeller 4a is matched with the oil-gas switching mechanism 4b, four side gas pipes 4c are disposed on the outer ring of the oil-gas switching mechanism 4b at equal intervals, the side gas pipes 4c are matched with the oil-gas switching mechanism 4b, the gas guide mechanism 4h is disposed at the bottom of the fixed frame 4g, and the gas guide mechanism 4h is mounted, fixed frame 4g outer lane on the annular to the equidistance be equipped with four air ducts 4e, side trachea 4c be connected with gaseous guiding mechanism 4h through side trachea 4c, fixed frame 4g inside be equipped with two oil pipe 4f, oil pipe 4f lead install on oil gas switching mechanism 4b and be connected with play oil nozzle 3, fixed frame 4g top be the axisymmetric structure and be equipped with two activity pole settings 4d, activity pole setting 4d set up perpendicularly on fixed frame 4g and the two adopts sliding fit, hydro-cylinder 2 install at fixed frame 4g top and extend the end and be connected with activity pole setting 4 d.

Referring to fig. 3, the oil and gas switching mechanism 4b includes a clamping structure 4b1, a clamping transmission structure 4b2, a transmission straight shaft 4b3, an air hood 4b4, a driven movable rod 4b5, a liquid hood 4b6, and an oil pumping structure 4b7, the air hood 4b4 is connected with the air duct 4e through a side air pipe 4c, the transmission straight shaft 4b3 is disposed at the center of the air hood 4b4, the transmission straight shaft 4b3 is movably connected with the air hood 4b4, the impeller 4a is disposed inside the air hood 4b4 and connected with the transmission straight shaft 4b3, the liquid hood 4b6 is disposed below the air hood 4b4, the liquid hood 4b5 is mounted inside the fixed frame 4g and connected with the oil duct 4f, the liquid hood 4b6 is disposed inside the oil pumping structure 4b7, the liquid hood 4b6 is matched with the oil pumping structure 4b7, the liquid hood 4b 594 b is provided with two symmetrical movable rod structures 599, the driven movable rod 4b5 and the liquid cover 4b6 are in sliding fit and are matched with the oil pumping structure 4b7, a clamping structure 4b1 and a clamping transmission structure 4b2 are arranged above the oil pumping structure 4b7, the clamping structure 4b1 is matched with the clamping transmission structure 4b2 and is installed at the bottom end of the transmission straight shaft 4b3, the transmission straight shaft 4b3 rotates through the driving torque generated by the motor 1, and the liquid cover 4b6 is arranged at the top end of the oil delivery pipe 7 and is connected with the oil delivery pipe 7.

Example 2

Referring to fig. 1-7, the present invention provides an oil extracting machine for an oil well, which comprises:

Referring to fig. 4, the clamping structure 4b1 includes a movable rod seat 4b1a, a top post 4b1b, a first spring 4b1c, a shaft sleeve 4b1d, and an inner straight rod 4b1e, four top posts 4b1b are circumferentially and equidistantly disposed on an outer ring of the shaft sleeve 4b1d, the top post 4b1b is horizontally disposed on the shaft sleeve 4b1d and is in sliding fit with the shaft sleeve 4b1d, a movable rod seat 4b1a is disposed at a rear end of the top post 4b1b, the movable rod seat 4b1a is movably connected with the top post 4b1b, a first spring 4b1c is disposed on an outer ring of the top post 4b1b, front and rear ends of the first spring 4b1c are respectively fixed on the shaft sleeve 4b1d and the movable rod seat 4b1a, a central position of the shaft sleeve 4b1d is provided with an inner straight rod 4b1e, and an inner straight rod 594 b 5928 is vertically disposed on the straight rod 599 and is in sliding fit with the straight rod 594 b 639.

Referring to fig. 5, the clamping transmission structure 4b2 includes a sliding rail 4b2a, a second spring 4b2b, a top plate 4b2c, a limiting inner frame 4b2d, a driven rod 4b2e, and a fixed shaft frame 4b2f, the fixed shaft frame 4b2f is disposed at the bottom end of the transmission straight shaft 4b3 and fixedly connected to the transmission straight shaft 4b3, a limiting inner frame 4b2d is disposed at the center inside the fixed shaft frame 4b2f, the limiting inner frame 4b2d is fixedly connected to the fixed shaft frame 4b2f, a second spring 4b2b is disposed at the center inside the limiting inner frame 4b2f, the second spring 4b2b is vertically fixed inside the limiting inner frame 4b2d, a top plate 4b2c is disposed at the bottom of the second spring 4b2b, the top plate 4b2c is connected to the second spring 4b b, the top plate 4b2b c is disposed at the top end of the upper ring 864 b2b and is connected to the driven rod 8672, the top end of the driven rod 4b2e is provided with a slide rail 4b2a, the slide rail 4b2a is buckled with a limit inner frame 4b2d, the top end of the driven rod 4b2e is in sliding fit with the slide rail 4b2a, the shaft sleeve 4b1d is vertically arranged at the bottom of the limit inner frame 4b2d, and the driven rod 4b2e is connected with the top column 4b1b through a movable rod seat 4b1 a.

Referring to fig. 6, the oil pumping structure 4b7 includes a bearing 4b7a, an arc groove 4b7b, a connecting shaft 4b7c, a liquid guiding plate 4b7d, and a liquid wheel 4b7e, the liquid guiding plate 4b7d is a circular truncated cone-shaped plate structure and is slidably disposed inside a liquid hood 4b6, the liquid guiding plate 4b7d is connected to a movable vertical rod 4d through a driven movable rod 4b5, a bearing 4b7a is disposed at a center of the liquid guiding plate 4b7d, the bearing 4b7b a is mounted on the liquid guiding plate 4b7d, the connecting shaft 4b7c is disposed on the bearing 4b7b a, the connecting shaft 4b7c is vertically mounted on the bearing 4b7a, two or more arc grooves 4b7b are circumferentially disposed on the connecting shaft 4b c, the connecting shaft 4b7b is integrally and the connecting shaft c b 7.

Referring to fig. 7, the gas guiding mechanism 4h includes an inner circular ring 4h1, a valve plate 4h2, a gas frame 4h3, a gas pipe 4h4, a gas guiding circular pipe 4h5, and gas holes 4h6, an inner circular ring 4h1 is disposed on an inner ring of the gas guiding circular pipe 4h5, the inner circular ring 4h1 and the gas guiding circular pipe 4h5 are fixedly connected, two or more gas holes 4h6 are circumferentially disposed on the gas guiding circular pipe 4h5 at equal intervals, the gas holes 4h6 and the inner circular ring 4h1 are an integrated structure, the inner circular ring 4h1 is disposed on the outer fixed pipe 6 and connected with a cavity formed by the outer fixed pipe 6 and the oil pipe 7 through the gas holes 4h6, four gas pipes 4h4 are circumferentially disposed at equal intervals on the top of the gas guiding circular pipe 4h5, the gas pipe 4h4 is vertically mounted on the gas guiding circular pipe 5, the top end of the gas pipe 4h 8269556 is disposed on the gas pipe 4h 8227, the valve plate 4h 8653 is connected with a movable pin 2, trachea 4h4 top be equipped with gas frame 4h3, gas frame 4h3 and trachea 4h4 connect, gas frame 4h3 locate fixed frame 4g inside and be connected with air duct 4e, activity pole setting 4d run through fixed frame 4g in proper order and frame 4h3 is connected with valve plate 4h 2.

The specific realization principle is as follows:

because the oil extraction device 4 is arranged on the top of the outer base well 5 and connected with the oil delivery pipe 7, and the motor 1 and the oil cylinder 2 are matched with the oil extraction device 4, when the oil cylinder 2 controls the movable upright post 4d to descend, the liquid wheel 4b7e is separated from the transmission straight shaft 4b3, the valve plate 4h2 in the air frame 4h3 is opened, at the moment, the motor 1 drives the impeller 4a to rotate, air is filled into a cavity formed between the outer fixed pipe 6 and the oil delivery pipe 7, the slip ring 8 drives the telescopic oil extraction pipe 9 to vertically extend downwards so as to ensure that the oil delivery pipe 7 can be always contacted with oil in an oil layer, when the oil needs to be extracted, the oil cylinder 2 controls the movable upright post 4d to ascend, the liquid wheel 4b7e is connected with the transmission straight shaft 4b3, the valve plate 4h2 in the air frame 4h3 is closed, at the moment, the motor 1 drives the liquid wheel 4b7e to rotate, the oil extraction pipe 9 and the oil delivery pipe 7 are, therefore, the oil extraction device is beneficial to quickly extracting crude oil in an oil layer under the condition that the oil quantity in the oil layer is reduced, because the telescopic oil taking pipe 9 is arranged in a cavity formed between the outer fixed pipe 6 and the oil delivery pipe 7, the telescopic oil taking pipe is in sliding fit with the cavity through the sliding ring 8, the inner circular ring 4h1 is arranged on the air guide circular pipe 4h5 and is connected with the oil delivery pipe 7 through the air hole 4h6, the air guide circular pipe 4h5 is connected with the air frame 4h3 through the air pipe 4h4, the top end of the air pipe 4h4 is connected with the movable vertical rod 4d through the valve plate 4h2 arranged on the movable pin, when the oil cylinder 2 controls the movable vertical rod 4d to descend, the valve plate 4h2 is stressed and inclined, the air frame 4h3 is communicated with the air pipe 4h4, when the impeller 4a rotates clockwise under the driving of the straight shaft 4b3, the air hood 4b4 sucks air, and the air is guided into the air frame 4h3, the slip ring 8 drives the telescopic oil taking pipe 9 to vertically extend out from the lower end of the oil conveying pipe 7 under the pressure of air, when the impeller 4a is driven by the transmission straight shaft 4b3 to rotate anticlockwise, the air in the cavity is pumped out, and under the negative pressure state, the slip ring 8 drives the telescopic oil taking pipe 9 to retract, the valve plate 4h2 is controlled by the movable vertical rod 4d, the pressure in the cavity can be accurately controlled, so that the telescopic oil taking pipe 9 can work more stably, because the liquid wheel 4b7e is connected with the connecting shaft 4b7c, the connecting shaft 4b7c is connected with the liquid guiding plate 4b7d through the bearing 4b7a, the liquid guiding plate 4b7d is arranged in the liquid cover 4b6 and is in sliding fit with the liquid cover 4b7b c, the liquid guiding plate 4b7d is connected with the movable vertical rod 4d through the driven movable rod 4b5, during the process of gas injection or gas extraction in the cavity, the movable vertical rod 4d drives the liquid wheel 4b7b d and the liquid guiding plate 5394 b6 to descend along the liquid cover, the connecting shaft 4b7c is separated from the structure formed by connecting the clamping structure 4b1 and the clamping transmission structure 4b2, the transmission straight shaft 4b3 independently drives the impeller 4a to rotate, the synchronous operation of the hydraulic wheel 4b7e and the impeller 4a is avoided, when the connecting shaft 4b7c enters the shaft sleeve 4b1d under the driving of the movable vertical rod 4d, the connecting shaft 4b7c pushes up the inner straight rod 4b1e, at the moment, the second spring 4b2b is stressed and compressed, the inner straight rod 4b1e is contacted with each driven rod 4b2e through the circular top plate 4b2c, when the top plate 4b2c goes up, one end of the driven rod 4b2e is placed inside the limiting inner frame 4b2d and is in sliding fit with the sliding rail 4b a, each driven rod 4b2e is stressed, the upper end inclines to the other side, and the fulcrum formed by the limiting inner frame 4b2d acts on the lower end of the movable vertical rod 594 b 599 to enable the movable vertical rod 594 b 599 to extend into the corresponding driven rod 594 b 599, the top pillars 4b1b are in contact with the outer wall of the connecting shaft 4b7c, the front ends of the top pillars 4b1b are clamped and fixed in the arc grooves 4b7b during rotation of the transmission straight shaft 4b3, so that transmission and separation of the transmission straight shaft 4b3 and the connecting shaft 4b7c are achieved, oil in an oil layer can be quickly pumped out due to negative pressure generated by the rotation of the hydraulic wheel 4b7e, and therefore the problem that in the middle and later stages of development, the pressure of the oil layer can be gradually reduced and is insufficient to drive the crude oil in the oil layer to the bottom of a well and lift the crude oil to the ground, the bottom end of an oil pipe fixed on an oil well cannot be in contact with the crude oil, and therefore natural gas or water needs to be injected into the oil layer to enable the crude oil to float upwards, the amount of natural gas or water injected into the oil layer is large, and the.

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an oil well machine of getting, its structure includes motor (1), hydro-cylinder (2), oil outlet (3), gets oily device (4), outer basic well (5), outer fixed pipe (6), defeated oil pipe (7), sliding ring (8), flexible oil pipe (9), its characterized in that of getting:

outer basic well (5) inside be equipped with outer fixed pipe (6), outer fixed pipe (6) inside be equipped with defeated oil pipe (7), defeated oil pipe (7) and outer fixed pipe (6) between be equipped with flexible oil pipe (9) of getting, flexible oil pipe (9) top of getting be equipped with sliding ring (8), outer basic well (5) top be equipped with and get oily device (4), get oily device (4) both sides and all be equipped with oil outlet nozzle (3), get oily device (4) top and be equipped with motor (1), motor (1) both sides all be equipped with hydro-cylinder (2).

2. An oil well pumping unit according to claim 1, characterized in that: the oil taking device (4) comprises an impeller (4a), an oil-gas switching mechanism (4b), a side air pipe (4c), a movable upright rod (4d), an air duct (4e), an oil guide pipe (4f), a fixed frame (4g) and an air guide mechanism (4h), an oil-gas switching mechanism (4b) is arranged at the central position of the fixed frame (4g), an impeller (4a) is arranged in the oil-gas switching mechanism (4b), a side air pipe (4c) is arranged on the outer ring of the oil-gas switching mechanism (4b), the bottom of the fixed frame (4g) is provided with an air guide mechanism (4h), the outer ring of the fixed frame (4g) is provided with an air duct (4e), the fixed frame (4g) inside be equipped with oil pipe (4f), fixed frame (4g) top be equipped with movable pole setting (4 d).

3. An oil well pumping unit according to claim 2, characterized in that: the oil-gas switching mechanism (4b) comprises a clamping structure (4b1), a clamping transmission structure (4b2), a transmission straight shaft (4b3), an air hood (4b4), a driven movable rod (4b5), a liquid hood (4b6) and an oil pumping structure (4b7), wherein the transmission straight shaft (4b3) is arranged at the center of the air hood (4b4), the liquid hood (4b6) is arranged below the air hood (4b4), the oil pumping structure (4b7) is arranged inside the liquid hood (4b6), the driven movable rod (4b5) is arranged at the top of the liquid hood (4b6), and the clamping structure (4b1) and the clamping transmission structure (4b2) are arranged above the oil pumping structure (4b 7).

4. An oil well pumping unit according to claim 3, characterized in that: clamping structure (4b1) including activity pole seat (4b1a), fore-set (4b1b), a spring (4b1c), axle sleeve (4b1d), interior straight-bar (4b1e), axle sleeve (4b1d) outer lane on be equipped with fore-set (4b1b), fore-set (4b1b) rear end be equipped with activity pole seat (4b1a), fore-set (4b1b) outer lane on be equipped with a spring (4b1c), axle sleeve (4b1d) central point put and be equipped with interior straight-bar (4b1 e).

5. An oil well pumping unit according to claim 3, characterized in that: centre gripping drive structure (4b2) including slide rail (4b2a), No. two spring (4b2b), roof (4b2c), spacing inside casing (4b2d), driven lever (4b2e), fixed axle frame (4b2f), fixed axle frame (4b2f) inside be equipped with spacing inside casing (4b2d), spacing inside casing (4b2d) central point put and be equipped with No. two spring (4b2b), No. two spring (4b2b) bottom be equipped with roof (4b2c), No. two spring (4b2b) on be equipped with driven lever (4b2e) in the outer lane, driven lever (4b2e) top be equipped with slide rail (4b2 a).

6. An oil well pumping unit according to claim 3, characterized in that: the oil pumping structure (4b7) comprises a bearing (4b7a), an arc groove (4b7b), a connecting shaft (4b7c), a liquid guide plate (4b7d) and a liquid wheel (4b7e), wherein the bearing (4b7a) is arranged at the center of the liquid guide plate (4b7d), the connecting shaft (4b7c) is arranged on the bearing (4b7a), the arc groove (4b7b) is arranged on the outer ring of the connecting shaft (4b7c), and the liquid wheel (4b7e) is arranged below the liquid guide plate (4b7 d).

7. An oil well pumping unit according to claim 2, characterized in that: the gas guide mechanism (4h) comprises an inner ring (4h1), a valve plate (4h2), a gas frame (4h3), a gas pipe (4h4), a gas guide ring pipe (4h5) and gas holes (4h6), wherein the inner ring of the gas guide ring pipe (4h5) is provided with the inner ring (4h1), the gas guide ring pipe (4h5) is provided with the gas holes (4h6), the top of the gas guide ring pipe (4h5) is provided with the gas pipe (4h4), the top end of the gas pipe (4h4) is provided with the valve plate (4h2), and the gas frame (4h3) is arranged above the gas pipe (4h 4).