CN211474083U

CN211474083U - Remote control beam-pumping unit

Info

Publication number: CN211474083U
Application number: CN201921576760.1U
Authority: CN
Inventors: 郭红; 唐世星; 柯凤琴; 刘世恩
Original assignee: Chengde Petroleum College
Current assignee: Chengde Petroleum College
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-09-11
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a remote control beam-pumping unit, which comprises a balance tail, a hydraulic pushing device and a remote control system; the balance tail is hinged to the tail end of the walking beam and is connected with the hydraulic pushing device, the hydraulic pushing device is electrically connected with the remote control system through the electromagnetic valve, and the electromagnetic valve and the remote control system are electrically connected with the power supply. The utility model discloses a remote control's beam-pumping unit, can the balance of automatically regulated beam-pumping unit to improve beam-pumping unit's work efficiency and can reduce its number of times of shutting down, thereby prolong its life.

Description

Remote control beam-pumping unit

Technical Field

The utility model relates to a beam-pumping unit technical field, more specifically the beam-pumping unit that says so relates to a remote control.

Background

The beam-pumping unit is generally arranged in remote places with wide land, sparse people, dry climate, large temperature difference due to windy wind, destructive earthquake and the like, so that the remote control of the working state of the beam-pumping unit becomes the preferred measure of people in the field in order to improve the safety.

The beam-pumping unit has the defects of poor balance effect, high energy consumption and poor stability in the working process, and the influence factors of the beam-pumping unit are various, such as: the whole system of the oil pumping unit becomes unbalanced due to the reasons of the change of yield and working fluid level caused by the continuous exploitation of crude oil; after well drilling or well switching in underground operation, most of the initial produced fluid is construction working fluid, and the later normal oil pumping components have larger changes, so that unbalance is inevitably generated; in addition, other factors influence the working stability of the beam pumping unit;

obviously, there are many reasons for affecting the stability of the beam-pumping unit, but when the beam-pumping unit works unstably at present, the beam-pumping unit generally needs to be stopped to adjust the balance of the beam-pumping unit again, and because the factors affecting the working stability of the beam-pumping unit are numerous, the number of times of unstable states of the beam-pumping unit in the whole working process is large, so that the beam-pumping unit needs to be stopped for many times to adjust the balance of the beam-pumping unit, but the multiple times of stopping not only can reduce the working efficiency of the beam-pumping unit, but also can increase the energy consumption of the beam-pumping unit, so that the working life is short; even if the technical problem to beam-pumping unit existence among the prior art has set up automatic balancing device on its walking beam, but not only the structure is complicated, and it adjusts the balancing ability relatively poor moreover.

Meanwhile, because of the sand-containing well or the structural change of the stratum, sand production, pump blockage or other conditions are easily caused, the working efficiency is influenced, and because the oil well is generally arranged in remote places with wide areas, dry climate, large temperature difference due to wind, destructive earthquake and the like, sudden events can be caused to the normal operation of the oil pumping unit, such as safety accidents of the oil pumping unit, such as tilting, stratum collapse and the like; and the beam-pumping unit in the prior art lacks the early warning device to beam-pumping unit trouble.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least.

In view of this, the utility model provides a remote control's beam-pumping unit can the balance of automatically regulated beam-pumping unit to improve beam-pumping unit's work efficiency and can reduce its number of times of shutting down, thereby prolong its life.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a remotely controlled beam pumping unit comprising: the device comprises a power supply, a base, a main motor, a gearbox, a crank connecting rod mechanism, a support, a walking beam and a furnace end, wherein the power supply is electrically connected with the main motor and the gearbox respectively; the main motor and the gearbox are both fixed on the base, and the main motor is connected with the gearbox; the walking beam is respectively hinged on the bracket through a middle shaft and is hinged on the crank connecting rod mechanism through a tail shaft, and meanwhile, the gearbox drives the walking beam to do up-and-down swinging motion relative to the bracket through the crank connecting rod mechanism; the furnace end is fixed at the head end of the walking beam, a rope hanger is arranged on the furnace end, and the rope hanger vertically enters an oil well;

the device also comprises a balance tail, a hydraulic pushing device and a remote control system;

the balance tail is hinged to the tail end of the walking beam and is connected with the hydraulic pushing device, the hydraulic pushing device is electrically connected with the remote control system through the electromagnetic valve, and the electromagnetic valve and the remote control system are electrically connected with the power supply.

The utility model discloses an at the articulated balanced tail of beam tail end to come the action of drive balance tail through remote control system control hydraulic pusher, make beam-pumping unit keep the balance of walking beam at the in-process drive balance tail luffing motion of work, thereby avoided adjusting balanced mode to beam-pumping unit through the mode of shutting down, consequently not only improved work efficiency, reduced moreover and shut down the loss to beam-pumping unit, and then improved beam-pumping unit's life.

Preferably, the hydraulic pushing device comprises a hydraulic cylinder, a first oil delivery pipe, a first automatic oil injection tank and a first oil quantity detection sensor;

the first oil quantity detection sensor is arranged in the hydraulic cylinder, the hydraulic cylinder is fixed at the top end of the walking beam, a piston rod of the hydraulic cylinder is fixedly connected with one end of the balance tail, the hydraulic cylinder is communicated with the first automatic oil injection tank through the first oil conveying pipe, and meanwhile, the first oil conveying pipe is provided with a first valve;

the pneumatic cylinder with the solenoid valve is connected, just the solenoid valve the first automatic oil injection case, first oil mass detection sensor with first valve all with remote control system electric connection, and, first automatic oil injection case with power electric connection.

The utility model discloses a remote control system control solenoid valve, thereby the concertina movement of the piston rod in the control pneumatic cylinder, thereby the piston cylinder of pneumatic cylinder can drive the one end seesaw of balanced tail, and because balanced tail articulates the tail end at the walking beam, consequently can order about balanced tail and do the motion of luffing motion for the point of swinging with its pin joint with the walking beam, thereby can be according to the unbalance condition of walking beam, remote control system passes through control solenoid valve, make its control balance tail upwards the perk or fall down, and simultaneously, remote control system can also know the content of hydraulic oil in the pneumatic cylinder through first oil mass detection sensor, and control first defeated oil pipe through controlling first valve and carry the content of hydraulic oil to the pneumatic cylinder, thereby the operating condition of auxiliary control pneumatic cylinder can further, improve its control effect.

Preferably, the first automatic oil injection tank stores hydraulic oil and comprises a first oil storage tank, a first pressure injection plug, a first reciprocating linear motion mechanism and a first motor; a first oil outlet is formed in the wall of the first oil storage tank and connected with the hydraulic cylinder through the first oil conveying pipe;

first pressure notes stopper sets up in the first oil storage tank, and the vertical first reciprocal linear motion mechanism of connection in its top, simultaneously first reciprocal linear motion mechanism with first motor is connected, first motor respectively with the power and with remote control system electric connection, and pass through first reciprocal linear motion mechanism drive first pressure notes stopper first oil storage tank is the up-and-down motion.

The utility model discloses a first motor of remote control system control to control first motor makes the motion of first pressure injection piston compression hydraulic oil from top to bottom in first oil storage tank through the first reciprocal linear motion mechanism of drive, consequently can the automatic pneumatic cylinder of carrying hydraulic oil of the first automatic oiling case of remote control, keep its continuous work, thereby can make balanced tail keep continuous work.

Preferably, the first reciprocating linear motion mechanism includes a rack and pinion mechanism, a worm and gear mechanism, and the like, as long as a force for driving the first plunger to perform an up-and-down compression motion can be provided.

Preferably, the balance tail comprises a balance tail main body and a support leg which are integrally connected;

the axial section of the balance tail main body is triangular, and comprises a first straight line side, a second straight line side and a curve side protruding outwards, one end of the first straight line side is connected with one end of the second straight line side to form a tip end and a tip end included angle, the length of the first straight line side is smaller than that of the second straight line side, and two ends of the curve side are respectively connected with the other ends of the first straight line side and the second straight line side;

the tip end of the balance tail main body is fixedly connected with the hydraulic cylinder;

one end of the supporting leg is integrally connected to one side of the first straight line edge of the balance tail body, the supporting leg is close to one side of the pointed end of the balance tail body, and the other end of the supporting leg is hinged to the tail end of the walking beam.

The utility model discloses set up the main part of balanced tail into the shape that the axial cross-section is the trilateral to make its one end on first straight line limit and the one end on second straight line limit connect, form most advanced and most advanced contained angle, the length on first straight line limit is less than the length on second straight line limit simultaneously, the other end on first straight line limit and second straight line limit is connected respectively at the both ends on curve limit, thereby can make the focus of balanced tail lower behind one's own accord, therefore can improve the sensitivity of balanced tail motion, make it exert better effect of adjusting balance;

and simultaneously, the utility model discloses the most advanced and the pneumatic cylinder fixed connection of balanced tail main part, the one end a body coupling of stabilizer blade is in one side on the first straight line limit of balanced tail main part, and is close to most advanced one side of balanced tail main part, and the other end is articulated with the tail end of walking beam to can make the effect point of the balanced tail wobbling drive power of drive be close to the most advanced of balanced tail, thereby can further improve the sensitivity of balanced tail motion, reduced actuating mechanism's loss simultaneously.

Preferably, the power supply includes a dc power supply and an ac power supply, the dc power supply is electrically connected to the remote control system, and the ac power supply is electrically connected to the main motor, the transmission case, and the first motor, respectively.

Preferably, the remote control system comprises an RTU, a frequency converter, an angular displacement sensor, a load sensor, a pressure sensor, a flow sensor and a temperature sensor;

the angular displacement sensor is fixed at the top end of the walking beam, and a hinge point formed by hinging the angular displacement sensor with the walking beam and the bracket is positioned on the same straight line;

the load sensor, the pressure sensor, the flow sensor and the temperature sensor are all fixed on the rope hanger;

the frequency converter is electrically connected with the alternating current power supply, the main motor and the RTU respectively;

and the angular displacement sensor, the load sensor, the pressure sensor, the flow sensor, the temperature sensor, the electromagnetic valve, the first oil quantity detection sensor and the first motor are all electrically connected with the RTU.

The utility model discloses a frequency of stroke of angle displacement sensor monitoring beam-pumping unit, through the change of load sensor monitoring well head hanging point load, through the change of pressure sensor monitoring well head pressure, through the change of flow sensor monitoring well head flow, and through the temperature variation of temperature sensor monitoring well head, and, angle displacement sensor, load sensor, pressure sensor, flow sensor and temperature sensor all transmit each data real-time of gathering to RTU, thereby RTU judges and analyzes according to the data of receiving, thereby can accomplish the data acquisition and the processing of indicator diagram, and RTU can calculate the best frequency of stroke of beam-pumping unit, simultaneously the utility model discloses a main motor of converter drive, the converter is connected with RTU, thereby RTU can master each electric parameter of main motor operation, consequently, the utility model discloses an RTU combines the multiple information of each sensor monitoring, The calculation of the balance degree of the pumping unit is completed by various parameters of the operation of the main motor and the like, so that the RTU can control the working states of the electromagnetic valve, the first motor and the like according to the calculated balance degree of the pumping unit, and the balance tail is driven by controlling the action of the hydraulic cylinder, thereby adjusting the balance effect of the walking beam.

Preferably, the remote control system further comprises an intelligent early warning system, the intelligent early warning system comprises a machine body early warning system and a power supply early warning system, and the machine body early warning system and the power supply early warning system are both electrically connected with the RTU.

The utility model discloses a fuselage early warning system monitors the operating condition of beam-pumping unit to when beam-pumping unit self breaks down or because the factor of external environment leads to the beam-pumping unit can not normally during operation, fuselage early warning system can send the warning to the staff, makes the beam-pumping unit in time obtain restoreing, avoids influencing its work efficiency, simultaneously, the utility model discloses a condition of its power of power early warning system monitoring prevents to influence the remote control to the beam-pumping unit because circuit problem.

Preferably, the fuselage early warning system comprises a start-stop early warning module and a rotating speed early warning module;

the start-stop early warning module comprises a photoelectric switch, a first early warning lamp and a first early warning loudspeaker, the photoelectric switch is fixed on a crank of the crank link mechanism, the first early warning lamp and the first early warning loudspeaker are respectively and electrically connected through a first control circuit, and the first control circuit is electrically connected to the RTU;

the rotating speed early warning module comprises a speed sensor, a second early warning lamp and a second loudspeaker, the speed sensor is fixed on a crank of the crank-link mechanism, and meanwhile, the second early warning lamp and the second loudspeaker are electrically connected through a second control circuit respectively, and the second control circuit is electrically connected to the RTU.

The utility model monitors whether the crank of the pumping unit rotates or not through the photoelectric switch, and transmits information to the RTU in real time, and after the RTU receives a signal that the crank stops rotating through the photoelectric switch, the first early warning lamp and the first early warning horn are controlled to work through the first control circuit, so that a worker is reminded to check and repair in time;

and simultaneously, the utility model discloses a speed sensor monitors articulate slew velocity to give RTU with information real-time transfer, after RTU received the unusual signal of crank speed through speed sensor, through second control circuit control second early warning lamp and the work of second early warning loudspeaker, thereby remind the staff in time to inspect and restore.

Preferably, the power supply early warning system comprises a distribution box, a third early warning lamp and a third early warning horn, the distribution box is electrically connected with the third early warning lamp and the third early warning horn through a third control circuit respectively, and the third control circuit is electrically connected to the RTU;

simultaneously, the block terminal with main motor electric connection, just be provided with voltmeter, ampere meter, electric quantity tester in the block terminal.

The utility model discloses a voltage among the voltmeter measuring circuit, through the electric current among the ampere meter measuring circuit, and through other electrical parameters among the electric quantity tester measuring circuit, and voltmeter, the equal real-time transmission of the multiple electrical signal of ampere meter and electric quantity tester gives RTU, when RTU received the unusual information of electrical signal, control third early warning lamp and third early warning loudspeaker work respectively through third control circuit, thereby suggestion staff in time checks and restores.

The first control circuit, the second control circuit and the third control circuit for controlling the warning lamp and the warning horn are well-established in the prior art, and are not described herein again.

Preferably, the remote control system further comprises a remote lubrication control module, and the remote lubrication control module comprises a second automatic oil injection tank, a plurality of second oil quantity detection sensors and a plurality of second oil delivery pipes;

the middle shaft is provided with a first bearing, and the middle shaft is respectively and rotatably connected with the walking beam and the bracket through the first bearing;

the tail shaft is provided with a second bearing and is respectively in rotating connection with the walking beam and the crank connecting rod mechanism through the second bearing;

a third bearing is arranged on a crank in the crank connecting rod mechanism, and the crank is rotationally connected with an output shaft of the gearbox through the third bearing;

the plurality of second oil amount detection sensors are respectively arranged in the gearbox, and the first bearing, the second bearing and the third bearing are arranged on the gearbox;

the second automatic oil injection tank comprises a second oil storage tank, a second pressure injection plug, a second reciprocating linear motion mechanism and a second motor;

the second pressure injection plug is arranged in the second oil storage tank, the top end of the second pressure injection plug is vertically connected with a second reciprocating linear motion mechanism, meanwhile, the second reciprocating linear motion mechanism is connected with the second motor, the second motor is respectively electrically connected with the power supply and the RTU, and the second pressure injection plug is driven by the second reciprocating linear motion mechanism to move up and down in the second oil storage tank;

lubricating oil is stored in the second automatic oil injection tank, a plurality of second oil outlet holes are formed in the tank wall of the second automatic oil injection tank, one ends of a plurality of second oil delivery pipes are communicated with the second oil outlet holes in a one-to-one correspondence mode, oil injection nozzles are arranged at the other ends of the plurality of second oil delivery pipes, and the plurality of second oil delivery pipes correspondingly inject the lubricating oil to the first bearing, the second bearing and the third bearing in a one-to-one correspondence mode through the oil injection nozzles and correspondingly inject the lubricating oil to gears of the gearbox;

it is a plurality of all be provided with the second valve on the defeated oil pipe of second, just the automatic fuel injection box of second the second valve and second oil mass detection sensor all with RTU electric connection, simultaneously, the second motor all with alternating current electric connection.

The utility model discloses a gear in a plurality of second oil mass detection sensors real-time detection gearbox respectively, first bearing, the lubricating oil content on second bearing and the third bearing, and all convey information to RTU, when first bearing, the second bearing, when there is the phenomenon that there is not enough lubricating oil for the gear in third bearing and the gearbox, RTU passes through the automatic operating condition who annotates the oil tank of control second valve and second, thereby can realize defeated oil pipe to the structure department that lacks lubricating oil through the second and spray lubricating oil, consequently, not only can improve the life of beam-pumping unit, and can make the utility model discloses go on under the state of not shutting down, thereby can also improve its work efficiency.

Can know via foretell technical scheme, compare with prior art, the utility model discloses a remote control's beam-pumping unit can realize following technological effect:

1. the utility model discloses a frequency of stroke of angle displacement sensor monitoring beam-pumping unit, through the change of load sensor monitoring well head hanging point load, through the change of pressure sensor monitoring well head pressure, through the change of flow sensor monitoring well head flow, and through the temperature variation of temperature sensor monitoring well head, and, angle displacement sensor, load sensor, pressure sensor, flow sensor and temperature sensor all transmit each data real-time of gathering to RTU, thereby RTU judges and analyzes according to the data of receiving, thereby can accomplish the data acquisition and the processing of indicator diagram, and RTU can calculate the best frequency of stroke of beam-pumping unit, simultaneously the utility model discloses a main motor of converter drive, the converter is connected with RTU, thereby RTU can master each electric parameter of main motor operation, consequently, the utility model discloses an RTU combines the multiple information of each sensor monitoring, The RTU can control the working states of the electromagnetic valve, the first motor and the like according to the calculated balance degree of the pumping unit so as to achieve the effect of driving a balance tail through the action of a control hydraulic cylinder and further adjusting the balance of the walking beam;

2. the utility model discloses set up the main part of balanced tail into the shape that the axial cross-section is the trilateral to make its one end on first straight line limit and the one end on second straight line limit connect, form most advanced and most advanced contained angle, the length on first straight line limit is less than the length on second straight line limit simultaneously, the other end on first straight line limit and second straight line limit is connected respectively at the both ends on curve limit, thereby can make the focus of balanced tail lower behind one's own accord, therefore can improve the sensitivity of balanced tail motion, make it exert better effect of adjusting balance;

meanwhile, the utility model discloses the most advanced and the pneumatic cylinder fixed connection of balanced tail main part, the one end of stabilizer blade is connected in one side of the first straight line limit of balanced tail main part integratively, and is close to the most advanced one side of balanced tail main part, and the other end is articulated with the tail end of walking beam, thereby can make the effect point of the drive force of the swing of drive balance tail close to the most advanced of balanced tail, thereby can further improve the sensitivity of balanced tail motion, reduced the loss of actuating mechanism simultaneously;

3. the utility model discloses a fuselage early warning system monitors the operating condition of beam-pumping unit to when beam-pumping unit self breaks down or because the factor of external environment leads to the beam-pumping unit can not normally work, fuselage early warning system can send the warning to the staff, makes the beam-pumping unit in time obtain restoreing, avoids influencing its work efficiency, simultaneously, the utility model discloses a power early warning system monitors the condition of its power, prevents to influence the remote control to the beam-pumping unit because of the circuit problem;

4. the utility model discloses a gear in a plurality of second oil mass detection sensors real-time detection gearbox respectively, first bearing, the lubricating oil content on second bearing and the third bearing, and all convey information to RTU, when first bearing, the second bearing, when there is the phenomenon that there is not enough lubricating oil for the gear in third bearing and the gearbox, RTU passes through the automatic operating condition who annotates the oil tank of control second valve and second, thereby can realize defeated oil pipe to the structure department that lacks lubricating oil through the second and spray lubricating oil, consequently, not only can improve the life of beam-pumping unit, and can make the utility model discloses go on under the state of not shutting down, thereby can also improve its work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a remote control beam-pumping unit according to the present invention;

FIG. 2 is a schematic structural view of the balance tail body of the present invention;

FIG. 3 is a schematic structural view of a first automatic fuel injection tank according to the present invention;

FIG. 4 is a schematic structural view of a second automatic fuel injection tank according to the present invention

Fig. 5 is a schematic diagram of the remote control system of the present invention.

Wherein, 1 is a base; 2 is a gearbox; 3 is a crank connecting rod mechanism; 4 is a bracket; 5 is a walking beam; 51 is a middle shaft; 52 is a tail shaft; 6 is a furnace end; 61 is a rope hanger; 7 is a balance tail; 71 is a balance tail main body; 72 is a support leg; 711 is the first straight edge; 712 is a second straight edge; 713 is a curved edge; 81 is a hydraulic cylinder; 82 is a first oil delivery pipe; 83 is a first automatic oil filling tank; 831 a first oil storage tank; 832 first shot plug; 833 a first oil outlet; 841 is a second oil storage tank; 842 is a second plunger; 843 is a second oil outlet; 91 is an angular displacement sensor; 92 is a load sensor; 93 is a pressure sensor; 94 is a flow sensor; temperature sensor 96 is a speed sensor 95; and 99 is a photoelectric switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The embodiment of the utility model discloses remote control's beam-pumping unit, include: the device comprises a power supply, a base 1, a main motor, a gearbox 2, a crank connecting rod mechanism 3, a support 4, a walking beam 5 and a furnace end 6, wherein the power supply is electrically connected with the main motor and the gearbox 2 respectively; the main motor and the gearbox 2 are both fixed on the base 1, and the main motor is connected with the gearbox 2; the walking beam 5 is respectively hinged on the bracket 4 through a middle shaft 51 and on the crank link mechanism 3 through a tail shaft 52, and meanwhile, the gearbox 2 drives the walking beam 5 to do up-and-down swinging motion relative to the bracket 4 through the crank link mechanism 3; the furnace end 6 is fixed at the head end of the walking beam 5, the furnace end 6 is provided with a rope hanger 61, and the rope hanger 61 vertically enters the oil well;

the device also comprises a balance tail 7, a hydraulic pushing device and a remote control system;

the balance tail 7 is hinged to the tail end of the walking beam 5 and is connected with the hydraulic pushing device, the hydraulic pushing device is electrically connected with the remote control system through the electromagnetic valve, and the electromagnetic valve and the remote control system are electrically connected with the power supply.

In order to further optimize the technical scheme, the hydraulic pushing device comprises a hydraulic cylinder 81, a first oil conveying pipe 82, a first automatic oil injection tank 83 and a first oil quantity detection sensor;

the first oil quantity detection sensor is arranged in a hydraulic cylinder 81, the hydraulic cylinder 81 is fixed at the top end of the walking beam 5, a piston rod of the hydraulic cylinder is fixedly connected with one end of the balance tail 7, the hydraulic cylinder 81 is communicated with a first automatic oil injection tank 83 through a first oil pipeline 82, and meanwhile, a first valve is arranged on the first oil pipeline 82;

pneumatic cylinder 81 is connected with the solenoid valve, and solenoid valve, first automatic oiling case 83, first oil mass detection sensor and first valve all with remote control system electric connection to, first automatic oiling case 83 and power electric connection.

In order to further optimize the above technical solution, the first automatic oil injection tank 83 stores hydraulic oil, and includes a first oil storage tank 831, a first plunger 832, a first reciprocating linear motion mechanism and a first motor; a first oil outlet 833 is formed in the wall of the first oil storage tank 831, and the first oil outlet 833 is connected with the hydraulic cylinder 81 through a first oil delivery pipe 82;

the first plunger 832 is disposed in the first oil tank 831, and the top end of the first plunger 832 is vertically connected to the first reciprocating linear motion mechanism, and the first reciprocating linear motion mechanism is connected to the first motor, which is electrically connected to the power supply and the remote control system, and drives the first plunger 832 to move up and down in the first oil tank 831 through the first reciprocating linear motion mechanism.

In order to further optimize the above technical solution, the balance tail 7 comprises a balance tail main body 71 and a support leg 72 which are integrally connected;

the axial section of the balance tail main body 71 is a trilateral shape, and comprises a first straight line side 711, a second straight line side 712 and an outwardly convex curve side 713, one end of the first straight line side 711 is connected with one end of the second straight line side 712 to form a tip and a tip included angle, meanwhile, the length of the first straight line side 711 is smaller than that of the second straight line side 712, and two ends of the curve side 713 are respectively connected with the other ends of the first straight line side 711 and the second straight line side 712;

the tip of the balance tail main body 71 is fixedly connected with a hydraulic cylinder 81;

one end of the leg 72 is integrally connected to one side of the first straight edge 711 of the balance tail body 71, and is close to one side of the tip of the balance tail body 71, and the other end is hinged to the tail end of the walking beam 5.

In order to further optimize the above technical solution, the power supply includes a dc power supply and an ac power supply, and the dc power supply is electrically connected to the remote control system, and the ac power supply is electrically connected to the main motor, the transmission case 2, and the first motor, respectively.

In order to further optimize the technical scheme, the remote control system comprises an RTU, a frequency converter, an angular displacement sensor 91, a load sensor 92, a pressure sensor 93, a flow sensor 94 and a temperature sensor 95;

the angular displacement sensor 91 is fixed at the top end of the walking beam 5, and hinged points formed by the angular displacement sensor and the hinged support 4 of the walking beam 5 are positioned on the same straight line;

the load sensor 92, the pressure sensor 93, the flow sensor 94 and the temperature sensor 95 are all fixed on the rope hanger 61;

and the angular displacement sensor 91, the load sensor 92, the pressure sensor 93, the flow sensor 94, the temperature sensor 95, the solenoid valve, the first oil quantity detection sensor and the first motor are all electrically connected with the RTU.

In order to further optimize the technical scheme, the remote control system further comprises an intelligent early warning system, the intelligent early warning system comprises a machine body early warning system and a power supply early warning system, and the machine body early warning system and the power supply early warning system are both electrically connected with the RTU.

In order to further optimize the technical scheme, the machine body early warning system comprises a start-stop early warning module and a rotating speed early warning module;

the start-stop early warning module comprises a photoelectric switch 99, a first early warning lamp and a first early warning horn, the photoelectric switch 99 is fixed on a crank of the crank link mechanism 3, and is electrically connected with the first early warning lamp and the first early warning horn through a first control circuit respectively, and the first control circuit is electrically connected to the RTU;

the rotating speed early warning module comprises a speed sensor 96, a second early warning lamp and a second loudspeaker, the speed sensor 96 is fixed on a crank of the crank link mechanism 3, and the second early warning lamp and the second loudspeaker are respectively and electrically connected through a second control circuit and the second control circuit is electrically connected to the RTU.

In order to further optimize the technical scheme, the power supply early warning system comprises a distribution box, a third early warning lamp and a third early warning horn, the distribution box is respectively and electrically connected with the third early warning lamp and the third early warning horn through a third control circuit, and the third control circuit is electrically connected to the RTU;

simultaneously, block terminal and main motor electric connection, and be provided with voltmeter, ampere meter, electric quantity tester in the block terminal.

In order to further optimize the technical scheme, the remote control system further comprises a remote lubrication control module, and the remote lubrication control module comprises a second automatic oil injection tank, a plurality of second oil quantity detection sensors and a plurality of second oil conveying pipes;

the middle shaft 51 is provided with a first bearing, and the middle shaft 51 is respectively and rotatably connected with the walking beam 5 and the bracket 4 through the first bearing;

the tail shaft 52 is provided with a second bearing, and the tail shaft 52 is respectively connected with the walking beam 5 and the crank link mechanism 3 in a rotating way through the second bearing;

a third bearing is arranged on a crank in the crank connecting rod mechanism 3, and the crank is rotationally connected with an output shaft of the gearbox 2 through the third bearing;

the plurality of second oil quantity detection sensors are respectively arranged in the gearbox 2, on the first bearing, the second bearing and the third bearing;

the second automatic oil injection tank comprises a second oil storage tank 841, a second pressure injection plug 842, a second reciprocating linear motion mechanism and a second motor;

the second plunger 842 is arranged in the second oil tank 841, and the top end of the second plunger is vertically connected with the second reciprocating linear motion mechanism, meanwhile, the second reciprocating linear motion mechanism is connected with the second motor, the second motor is respectively electrically connected with the power supply and the RTU, and the second plunger 842 is driven by the second reciprocating linear motion mechanism to move up and down in the second oil tank 841;

lubricating oil is stored in the second automatic oil injection tank, a plurality of second oil outlet holes 843 are formed in the tank wall of the second automatic oil injection tank, one ends of a plurality of second oil delivery pipes are communicated with the second oil outlet holes 843 in a one-to-one correspondence mode, oil nozzles are arranged at the other ends of the plurality of second oil delivery pipes, and the plurality of second oil delivery pipes correspondingly spray the lubricating oil to the first bearing, the second bearing and the third bearing in a one-to-one correspondence mode and spray the lubricating oil to gears of the gearbox 2 in a one-to-one correspondence mode through the oil nozzles;

all be provided with the second valve on a plurality of second defeated oil pipes, and the automatic fuel injection box of second, second valve and second oil mass detection sensor all with RTU electric connection, simultaneously, the second motor all with alternating current electric connection.

Example 1:

The utility model discloses an at the articulated balanced tail 7 of 5 tail ends of walking beam to come the action of drive balance tail 7 through remote control system control hydraulic pusher, make walking beam 5 formula beam-pumping unit keep the balance of walking beam 5 at the in-process drive balance tail 7 luffing motion of work, thereby avoided adjusting balanced mode to walking beam 5 formula beam-pumping unit through the mode of shutting down, consequently not only improved work efficiency, and reduced the loss of shutting down to walking beam 5 formula beam-pumping unit, and then improved the life of walking beam 5 formula beam-pumping unit.

Specifically, the method comprises the following steps:

the remote control system comprises an RTU, a frequency converter, an angular displacement sensor 91, a load sensor 92, a pressure sensor 93, a flow sensor 94 and a temperature sensor 95; the angular displacement sensor 91 is fixed at the top end of the walking beam 5, and hinged points formed by the angular displacement sensor and the hinged support 4 of the walking beam 5 are positioned on the same straight line; the load sensor 92, the pressure sensor 93, the flow sensor 94 and the temperature sensor 95 are all fixed on the rope hanger 61; the frequency converter is electrically connected with the alternating current power supply, the main motor and the RTU respectively; the angular displacement sensor 91, the load sensor 92, the pressure sensor 93, the flow sensor 94, the temperature sensor 95, the electromagnetic valve, the first oil quantity detection sensor and the first motor are all electrically connected with the RTU;

the hydraulic pushing device comprises a hydraulic cylinder 8181, a first oil delivery pipe 82, a first automatic oil injection tank 83 and a first oil quantity detection sensor; the first oil quantity detection sensor is arranged in a hydraulic cylinder 81, the hydraulic cylinder 81 is fixed at the top end of the walking beam 5, a piston rod of the hydraulic cylinder is fixedly connected with one end of the balance tail 7, the hydraulic cylinder 81 is communicated with a first automatic oil injection tank 83 through a first oil pipeline 82, and meanwhile, a first valve is arranged on the first oil pipeline 82; the hydraulic cylinder 81 is connected with an electromagnetic valve, the first automatic oil injection tank 83, the first oil quantity detection sensor and the first valve are all electrically connected with the remote RTU, and the first automatic oil injection tank 83 is electrically connected with a power supply;

the first automatic oil injection tank 83 stores hydraulic oil and comprises a first oil storage tank 831, a first pressure injection plug 832, a first reciprocating linear motion mechanism and a first motor; a first oil outlet 833 is formed in the wall of the first oil storage tank 831, and the first oil outlet 833 is connected with the hydraulic cylinder 81 through a first oil delivery pipe 82; the first injection plug 832 is arranged in the first oil storage tank 831, the top end of the first injection plug is vertically connected with the first reciprocating linear motion mechanism, meanwhile, the first reciprocating linear motion mechanism is connected with a first motor, the first motor is respectively electrically connected with a power supply and an RTU, and the first injection plug 832 is driven by the first reciprocating linear motion mechanism to move up and down in the first oil storage tank 831;

thus, the utility model monitors the stroke frequency of the walking beam 5 type pumping unit through the angular displacement sensor 91, monitors the change of the wellhead suspension point load through the load sensor 92, monitors the change of the wellhead pressure through the pressure sensor 93, monitors the change of the wellhead flow through the flow sensor 94, and monitors the temperature change of the wellhead through the temperature sensor 95, and the angular displacement sensor 91, the load sensor 92, the pressure sensor 93, the flow sensor 94 and the temperature sensor 95 transmit the collected data to the RTU in real time, so that the RTU judges and analyzes according to the received data, thereby completing the data collection and processing of the indicator diagram, and the RTU can calculate the best stroke frequency of the pumping unit, and simultaneously, the utility model drives the main motor through the frequency converter, the frequency converter is connected with the RTU, thereby the RTU can master the electric parameters of the operation of the main motor, therefore, the RTU of the present invention completes the calculation of the balance degree of the pumping unit by combining various information monitored by each sensor, various parameters of the operation of the main motor, etc., so that the RTU can control the working state of the electromagnetic valve, the first motor, etc. according to the calculated balance degree of the pumping unit, so as to control the extension and retraction movement of the piston rod in the hydraulic cylinder 81 through the electromagnetic valve, so that the piston cylinder of the hydraulic cylinder 81 can drive one end of the balance tail 7 to move back and forth, and because the balance tail 7 is hinged at the tail end of the walking beam 5, the balance tail 7 can be driven to swing up and down by using the hinged point with the walking beam 5 as the swinging point, so that according to the unbalance condition of the walking beam 5, the RTU can control the balance tail 7 to tilt up or fall down through the control electromagnetic valve, and meanwhile, the RTU can also know the content in the hydraulic cylinder 81 through the first, the content of the hydraulic oil conveyed to the hydraulic cylinder 81 by the first oil conveying pipe 82 is controlled by controlling the first valve, so that the working state of the hydraulic cylinder 81 can be further controlled in an auxiliary manner, and the control effect of the hydraulic cylinder is improved; simultaneously the utility model discloses a first motor of RTU control to the first motor of control makes the motion of first pressure injection piston compression hydraulic oil about in first batch oil tank 831 through the first reciprocal linear motion mechanism of drive, consequently can the automatic pneumatic cylinder 81 of carrying hydraulic oil of the first automatic fuel injection tank 83 of remote control, keeps its continuous work, thereby can make balanced tail 7 keep continuous work.

Example 2:

on the basis of embodiment 1, the balance tail 7 comprises a balance tail body 71 and a support leg 72 which are integrally connected;

The utility model discloses set up the main part of balanced tail 7 into the shape that axial cross-section is the trilateral, and make its one end of first straight line limit 711 and the one end of second straight line limit 712 connect, form most advanced and most advanced contained angle, the length of first straight line limit 711 is less than the length of second straight line limit 712 simultaneously, the other end of first straight line limit 711 and second straight line limit 712 is connected respectively at the both ends of curve limit 713, thereby can make the focus of balanced tail 7 below the rear side, therefore can improve the sensitivity of balanced tail 7 motion, make its effect that plays better regulation balance;

and simultaneously, the utility model discloses balanced tail main part 71's most advanced and pneumatic cylinder 81 fixed connection, the one end a body coupling of stabilizer blade 72 is in one side of balanced tail main part 71's first straight line limit 711, and is close to balanced tail main part 71's most advanced one side, and the other end is articulated with the tail end of walking beam 5 to can make the effect point of the balanced tail 7 wobbling drive force of drive be close to balanced tail 7's most advanced, thereby can further improve the sensitivity of balanced tail 7 motion, reduced actuating mechanism's loss simultaneously.

Example 3:

on the basis of embodiment 2, remote control system still includes intelligent early warning system, and intelligent early warning system includes fuselage early warning system and power early warning system, and fuselage early warning system and power early warning system all with RTU electric connection.

Specifically, the method comprises the following steps: the machine body early warning system comprises a start-stop early warning module and a rotating speed early warning module;

the rotating speed early warning module comprises a speed sensor 96, a second early warning lamp and a second loudspeaker, the speed sensor 96 is fixed on a crank of the crank link mechanism 3, and is electrically connected with the second early warning lamp and the second loudspeaker through a second control circuit respectively, and the second control circuit is electrically connected to the RTU;

the power supply early warning system comprises a distribution box, a third early warning lamp and a third early warning horn, the distribution box is respectively and electrically connected with the third early warning lamp and the third early warning horn through a third control circuit, and the third control circuit is electrically connected to the RTU; simultaneously, block terminal and main motor electric connection, and be provided with voltmeter, ampere meter, electric quantity tester in the block terminal.

The utility model monitors whether the crank of the oil pumping unit rotates or not through the photoelectric switch 99, and transmits information to the RTU in real time, and after the RTU receives a signal that the crank stops rotating through the photoelectric switch 99, the first early warning lamp and the first early warning horn are controlled to work through the first control circuit, thereby reminding the staff to check and repair in time;

meanwhile, the utility model monitors the rotation speed of the crank through the speed sensor 96 and transmits the information to the RTU in real time, and after the RTU receives a signal of abnormal crank rotation speed through the speed sensor 96, the second early warning lamp and the second early warning horn are controlled to work through the second control circuit, so that the staff is reminded to check and repair in time;

and, the utility model discloses a voltage among the voltmeter measuring circuit, through the electric current among the ampere meter measuring circuit, and through other electrical parameters among the electric quantity tester measuring circuit, and voltmeter, ampere meter and the equal real-time transmission of the multiple electrical signal of electric quantity tester measurement give RTU, when RTU received the unusual information of electrical signal, control third early warning lamp and third early warning loudspeaker work respectively through third control circuit, thereby suggestion staff in time checks and restores.

Example 4:

on the basis of embodiment 3, the remote control system further comprises a remote lubrication control module, and the remote lubrication control module comprises a second automatic oil injection tank, a plurality of second oil quantity detection sensors and a plurality of second oil delivery pipes;

the second automatic oil injection tank has a structure similar to that of the first automatic oil injection tank 83, and comprises a second oil storage tank 841, a second pressure injection plug 842, a second reciprocating linear motion mechanism and a second motor;

The utility model discloses a gear in a plurality of second oil mass detection sensors real-time detection gearbox 2 respectively, first bearing, the lubricating oil content on second bearing and the third bearing, and all convey information to RTU, when first bearing, the second bearing, when there is the phenomenon that there is not enough lubricating oil for the gear in third bearing and the gearbox 2, RTU is through the operating condition of the automatic oiling box of control second valve and second, thereby can realize defeated oil pipe to the structure department jet lubrication oil that lacks lubricating oil through the second, consequently, not only can improve the life of beam-pumping unit, and can make the utility model discloses go on under the state of not shutting down, thereby can also improve its work efficiency.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A remotely controlled beam pumping unit comprising: the device comprises a power supply, a base (1), a main motor, a gearbox (2), a crank connecting rod mechanism (3), a support (4), a walking beam (5) and a furnace end (6), wherein the power supply is electrically connected with the main motor and the gearbox (2) respectively; the main motor and the gearbox (2) are both fixed on the base (1), and the main motor is connected with the gearbox (2); the walking beam (5) is hinged to the support (4) through a middle shaft (51) and hinged to the crank connecting rod mechanism (3) through a tail shaft (52), and meanwhile the gearbox (2) drives the walking beam (5) to do up-and-down swinging motion relative to the support (4) through the crank connecting rod mechanism (3); the furnace end (6) is fixed at the head end of the walking beam (5), a rope hanger (61) is installed on the furnace end (6), and the rope hanger (61) vertically enters an oil well;

the hydraulic push type hydraulic control system is characterized by further comprising a balance tail (7), a hydraulic push device and a remote control system;

balance tail (7) articulate the tail end of walking beam (5), connect simultaneously hydraulic pressure pusher, just hydraulic pressure pusher pass through the solenoid valve with remote control system electric connection, the solenoid valve and remote control system all with power electric connection.

2. The remotely controlled beam-pumping unit of claim 1, characterized in that the hydraulic pushing device comprises a hydraulic cylinder (81), a first oil delivery pipe (82), a first automatic oil injection tank (83) and a first oil quantity detection sensor;

the first oil quantity detection sensor is arranged in the hydraulic cylinder (81), the hydraulic cylinder (81) is fixed at the top end of the walking beam (5), a piston rod of the hydraulic cylinder is fixedly connected with one end of the balance tail (7), the hydraulic cylinder (81) is communicated with the first automatic oil injection tank (83) through the first oil delivery pipe (82), and meanwhile, the first oil delivery pipe (82) is provided with a first valve;

the pneumatic cylinder (81) with the solenoid valve is connected, just the solenoid valve first automatic oiling case (83), first oil mass detection sensor with first valve all with remote control system electric connection, and, first automatic oiling case (83) with power electric connection.

3. The remotely controlled beam-pumping unit of claim 2, wherein the first automatic oil injection tank (83) stores hydraulic oil and comprises a first oil storage tank (831), a first pressure injection plug (832), a first reciprocating linear motion mechanism and a first motor; a first oil outlet hole (833) is formed in the wall of the first oil storage tank (831), and the first oil outlet hole (833) is connected with the hydraulic cylinder (81) through the first oil conveying pipe (82);

first pressure notes stopper (832) set up in first oil storage tank (831), and the vertical first reciprocal linear motion mechanism of connection in its top, simultaneously first reciprocal linear motion mechanism with first motor is connected, first motor respectively with the power and with remote control system electric connection, and through first reciprocal linear motion mechanism drive first pressure notes stopper (832) are in first oil storage tank (831) is the up-and-down motion.

4. A remotely controlled beam pumping unit as claimed in claim 3, wherein the balance tail (7) comprises a balance tail body (71) and a foot (72) integrally connected;

the axial section of the balance tail main body (71) is triangular, and comprises a first straight line side (711), a second straight line side (712) and a curve side (713) protruding outwards, one end of the first straight line side (711) is connected with one end of the second straight line side (712) to form a tip and a tip included angle, meanwhile, the length of the first straight line side (711) is smaller than that of the second straight line side (712), and two ends of the curve side (713) are respectively connected with the other ends of the first straight line side (711) and the second straight line side (712);

the tip end of the balance tail body (71) is fixedly connected with the hydraulic cylinder (81);

one end of the supporting leg (72) is integrally connected to one side of the first straight line edge (711) of the balance tail main body (71), the supporting leg is close to one side of the tip of the balance tail main body (71), and the other end of the supporting leg is hinged to the tail end of the walking beam (5).

5. The remotely controlled beam pumping unit as claimed in claim 4, wherein the power source comprises a DC power source and an AC power source, and the DC power source is electrically connected with the remote control system, and the AC power source is electrically connected with the main motor, the gearbox (2) and the first motor respectively.

6. A remotely controlled beam pumping unit as claimed in claim 5, wherein the remote control system comprises an RTU, a frequency converter, an angular displacement sensor (91), a load sensor (92), a pressure sensor (93), a flow sensor (94) and a temperature sensor (95);

the angular displacement sensor (91) is fixed at the top end of the walking beam (5), and a hinge point formed by hinging the walking beam (5) with the bracket (4) is positioned on the same straight line;

the load sensor (92), the pressure sensor (93), the flow sensor (94) and the temperature sensor (95) are all fixed on the rope hanger (61);

and the angular displacement sensor (91), the load sensor (92), the pressure sensor (93), the flow sensor (94), the temperature sensor (95), the solenoid valve, the first oil quantity detection sensor and the first motor are all electrically connected with the RTU.

7. The remotely controlled beam-pumping unit as claimed in claim 6, wherein the remote control system further comprises an intelligent pre-warning system, the intelligent pre-warning system comprises a body pre-warning system and a power pre-warning system, and the body pre-warning system and the power pre-warning system are both electrically connected to the RTU.

8. The remotely controlled beam-pumping unit of claim 7, wherein the fuselage warning system comprises a start-stop warning module and a rotational speed warning module;

the start-stop early warning module comprises a photoelectric switch (99), a first early warning lamp and a first early warning loudspeaker, the photoelectric switch (99) is fixed on a crank of the crank link mechanism (3), the first early warning lamp and the first early warning loudspeaker are respectively and electrically connected through a first control circuit, and the first control circuit is electrically connected to the RTU;

the rotating speed early warning module comprises a speed sensor (96), a second early warning lamp and a second loudspeaker, the speed sensor (96) is fixed on a crank of the crank-link mechanism (3), and meanwhile, the second early warning lamp and the second loudspeaker are respectively and electrically connected through a second control circuit, and the second control circuit is electrically connected to the RTU.

9. The remotely controlled beam-pumping unit of claim 7, wherein the power supply pre-warning system comprises a distribution box, a third pre-warning lamp and a third pre-warning horn, the distribution box is electrically connected to the third pre-warning lamp and the third pre-warning horn through a third control circuit, respectively, and the third control circuit is electrically connected to the RTU;

10. The remotely controlled beam pumping unit of claim 5, wherein the remote control system further comprises a remote lubrication control module, and the remote lubrication control module comprises a second automatic fuel injection tank, a plurality of second fuel level detection sensors, and a plurality of second fuel delivery pipes;

the middle shaft (51) is provided with a first bearing, and the middle shaft (51) is respectively and rotatably connected with the walking beam (5) and the bracket (4) through the first bearing;

a second bearing is mounted on the tail shaft (52), and the tail shaft (52) is respectively in rotary connection with the walking beam (5) and the crank connecting rod mechanism (3) through the second bearing;

a third bearing is arranged on a crank in the crank connecting rod mechanism (3), and the crank is rotationally connected with an output shaft of the gearbox (2) through the third bearing;

the second oil quantity detection sensors are respectively arranged in the gearbox (2), on the first bearing, on the second bearing and on the third bearing;

the second automatic oil injection tank comprises a second oil storage tank (841), a second pressure injection plug (842), a second reciprocating linear motion mechanism and a second motor;

the second pressure injection plug (842) is arranged in the second oil storage tank (841), the top end of the second pressure injection plug is vertically connected with a second reciprocating linear motion mechanism, the second reciprocating linear motion mechanism is connected with the second motor, the second motor is respectively electrically connected with the power supply and the RTU, and the second pressure injection plug (842) is driven by the second reciprocating linear motion mechanism to move up and down in the second oil storage tank (841);

lubricating oil is stored in the second automatic oil injection tank, a plurality of second oil outlet holes (843) are formed in the tank wall of the second automatic oil injection tank, one ends of a plurality of second oil delivery pipes are communicated with the second oil outlet holes (843) in a one-to-one correspondence mode, oil nozzles are arranged at the other ends of the second oil delivery pipes, and the second oil delivery pipes correspondingly spray the lubricating oil to the first bearing, the second bearing and the third bearing through the oil nozzles in a one-to-one correspondence mode and spray the lubricating oil to gears of the gearbox (2) in a one-to-one correspondence mode;

it is a plurality of all be provided with the second valve on the defeated oil pipe of second, just the automatic fuel injection box of second the second valve and second oil mass detection sensor all with RTU electric connection, simultaneously, the second motor with alternating current power supply electric connection.