Intelligent energy stealing and negative energy recycling comprehensive automatic yielding pumping unit

Abstract

This invention relates to the field of oil pumping unit technology, specifically a smart, energy-harvesting, and fully automated yielding oil pumping unit, comprising a base, support, walking beam, first generator, first energy storage module, drive mechanism, and yielding mechanism. The invention features a rational and compact structure. This application optimizes the walking beam of the oil pumping unit by designing it as a hollow structure, with a liquid storage chamber inside and the addition of a first generator and first energy storage module. Antifreeze is added to either the left or right chamber, flowing as the walking beam oscillates. This oscillation converts dissipated mechanical energy into electrical energy, which can then be stored or directly supplied to other equipment, reducing grid power consumption. The yielding mechanism facilitates quick downward or forward / backward movement of the working head above the wellhead equipment during well repair or wellhead maintenance operations, freeing up space above the equipment and reducing the workload for operators moving the entire oil pumping unit.

Description

Technical Field

[0001] This invention relates to the field of oil pumping unit technology, specifically a smart, integrated automatic yielding oil pumping unit that recovers negative energy. Background Technology

[0002] Currently, beam pumping units are the mainstay equipment in global oilfield development, covering over 90% of oil production scenarios. However, their energy consumption is a particularly prominent issue, with a single unit consuming 25,000 to 80,000 kilowatt-hours annually, accounting for 30% to 40% of the overall energy consumption of an oilfield. Although this type of equipment has long been widely used due to its stable structure and convenient maintenance, its energy conversion efficiency is generally less than 25%, and even in technologically advanced regions, it can only be improved to around 30%.

[0003] During oil extraction, the motor needs to frequently overcome the inertial force, friction, and gravity of the liquid column in the pumping system. When the working head of the pumping unit descends, the gravity of the sucker rod string and the liquid column will cause the pumping unit system to release a large amount of potential energy. This will cause the sucker rod to drag the working head backward, making the actual speed of the motor exceed the rated speed. During this process, the mechanical energy generated by the downward movement of the sucker rod string will be transferred to the motor, forcing the motor to reverse, which is equivalent to "reverse power generation". This phenomenon will cause the motor speed to be unstable, increase the vibration and wear of the equipment, and shorten the service life of the equipment.

[0004] Current energy-saving solutions, such as reactive power compensation devices and variable frequency speed control technology, can reduce energy consumption to a limited extent, but they fail to effectively utilize the inherent energy potential difference during the operation of the pumping unit. As the sole power source, the motor's output power must cover the entire reciprocating motion of the sucker rod string. It cannot utilize the energy recovered during the downstroke to compensate for the upstroke demand, resulting in an imbalance in the spatial and temporal distribution of energy supply. Specifically: during the downstroke, the potential energy released by the sucker rod string accelerating downwards due to gravity is not recovered and utilized; instead, it forces the motor to do work in the opposite direction, forming a double-loss closed loop of "wasted gravitational potential energy and extra electrical energy consumption." During the upstroke, the motor needs to continuously output high power to drive the sucker rod upwards, causing the instantaneous power demand to far exceed the actual load demand, resulting in the motor operating in an uneconomical range for extended periods. Moreover, existing energy-saving solutions suffer from high retrofit costs and low energy recovery efficiency, failing to fundamentally optimize grid energy consumption. Summary of the Invention

[0005] This invention provides an intelligent, integrated, automatic yielding pumping unit that recovers negative energy and overcomes the shortcomings of the prior art. It can effectively solve the problems of high retrofit costs and inability to achieve yielding function in existing energy-saving pumping unit solutions.

[0006] The technical solution of this invention is achieved through the following measures: a smart, plundering, negative energy recovery integrated automatic yielding pumping unit, comprising a base, a support, a walking beam, a first generator, a first energy storage module, a drive mechanism, and a yielding mechanism. The drive mechanism and the support are fixedly installed at intervals on the upper side of the base. A walking beam is rotatably installed on the upper side of the support. A liquid storage chamber is provided inside the walking beam. The first generator is installed on the upper side of the middle of the walking beam. The shaft of the first generator passes through the upper side of the walking beam and is located inside the liquid storage chamber. An impeller is fixedly installed on the lower outer side of the shaft of the first generator. A device is fitted around the impeller and fixedly installed in the liquid storage chamber. The drainage shell inside the cavity forms a left chamber with the left part of the liquid storage chamber, and a right chamber with the right part of the drainage shell and the liquid storage chamber. The left front and right rear sides of the drainage shell are provided with symmetrical left and right inlets. The inside of the drainage shell is connected to the left and right chambers through the left and right inlets, respectively. The left and right ends of the walking beam are provided with counterweight donkey heads and working donkey heads, respectively. A clearance mechanism is provided between the working donkey head and the right end of the walking beam. A crank is fixedly installed on the outer side of the output shaft end of the drive mechanism. A connecting rod is hinged between the crank and the lower left side of the walking beam. The first generator and the clearance mechanism are both connected to the first energy storage module.

[0007] The following are further optimizations and / or improvements to the above-mentioned technical solution: The upper side of the middle part of the aforementioned walking beam can be recessed downward to form an installation groove. A left drainage plate is fixedly installed on the left side of the drainage shell corresponding to the left inlet position. The front side of the left drainage plate and the inner wall of the front part of the left chamber form a left confluence channel that is larger on the left and smaller on the right and communicates with the left inlet. A right drainage plate is fixedly installed on the right side of the drainage shell corresponding to the right inlet position. The rear side of the right drainage plate and the inner wall of the rear part of the right chamber form a right confluence channel that is smaller on the left and larger on the right and communicates with the right inlet.

[0008] A first control module can be installed on the front side of the middle section of the aforementioned walking beam. The first control module is connected to the first energy storage module. A central bearing seat is installed between the upper side of the support and the lower side of the middle section of the walking beam. A first vibration sensor and a first temperature sensor are installed at intervals on the outer side of the central bearing seat. Both the first vibration sensor and the first temperature sensor are connected to the first control module.

[0009] The upper left side of the aforementioned walking beam may be equipped with a first wind turbine and a second wind turbine, both of which are connected to the first energy storage module.

[0010] The aforementioned clearance mechanism may include a mounting base, a bidirectional piston cylinder, a hinge pin, and a swing piston cylinder. An I-shaped mounting base is fixedly installed at the right end of the walking beam. An upper connecting plate and a lower connecting plate are fixedly installed at intervals on the left side of the working head. Corresponding front connecting through holes are provided on the upper front side of the upper connecting plate, the upper front side of the lower connecting plate, and the upper front side of the mounting base. Corresponding rear connecting through holes are provided on the upper rear side of the upper connecting plate, the upper rear side of the lower connecting plate, and the upper rear side of the mounting base. The cylinder body of the bidirectional piston cylinder is fixedly installed on the front side of the middle of the mounting base. The piston rod of the bidirectional piston cylinder... The piston rod of the bidirectional piston cylinder passes through the front connecting through hole of the upper connecting plate, and the lower end of the piston rod of the bidirectional piston cylinder passes through the front connecting through hole of the lower connecting plate. Hinges are provided in the rear connecting holes of the upper connecting plate and the mounting base, and in the rear connecting holes of the lower connecting plate and the mounting base. Fixed seats are fixedly installed on the left rear side of the working donkey head corresponding to the position between the upper connecting plate and the lower connecting plate. The right rear side of the walking beam is hinged to the left end of the cylinder body of the swing piston cylinder. The right end of the piston rod of the swing piston cylinder is hinged to the fixed seat. Both the bidirectional piston cylinder and the swing piston cylinder are connected to the first control module.

[0011] The aforementioned drive mechanism may include a reducer and a drive motor fixedly mounted on the upper side of the base at left and right intervals. The front end of the output shaft of the drive motor is connected to the front end of the input shaft of the reducer. Cranks are fixedly mounted on the outer side of the front end and the outer side of the rear end of the output shaft of the reducer. A crossbeam is provided on the upper left side of the bracket. A tail bearing seat is installed between the upper side of the middle part of the crossbeam and the lower side of the left part of the walking beam. A connecting rod is installed on the left side of each crank through a crank pin assembly. The upper end of each connecting rod is hinged to the crossbeam. A second temperature sensor is installed on the outer side of the tail bearing seat. A third temperature sensor is installed on the outer side of the crank pin assembly. Both the second and third temperature sensors are connected to the first control module.

[0012] The upper side of the aforementioned base can be equipped with a second energy storage module and a second control module at intervals. A second generator is fixedly installed on the upper side of the base corresponding to the position between the reducer and the drive motor. A limit seat is fixedly installed on the upper side of the base corresponding to the position behind the second generator. A drive shaft is rotatably installed inside the limit seat. A first driven wheel is fixedly installed on the outer side of the rear end of the drive shaft. A first driving wheel is fixedly installed on the rear end of the input shaft of the reducer. The first driving wheel and the first driven wheel are connected by transmission. A first electromagnetic clutch is provided between the front end of the drive shaft and the rear end of the rotating shaft of the second generator. The first electromagnetic clutch and the second energy storage module are both connected to the second control module. The second energy storage module is connected to the second generator.

[0013] The crank side can be fixedly installed with a first sensing block and a second sensing block at intervals. A first proximity sensing switch corresponding to the first sensing block is fixedly installed on the upper rear side of the reducer. A second proximity sensing switch corresponding to the second sensing block is fixedly installed on the lower rear side of the reducer. When the first sensing block corresponds to the first proximity sensing switch, the angle between the crank and the connecting rod is 180 degrees and the working head is located at the bottom dead center. When the second sensing block corresponds to the second proximity sensing switch, the angle between the crank and the connecting rod is 0 degrees and the working head is located at the top dead center. Both the first proximity sensing switch and the second proximity sensing switch are connected to the second control module.

[0014] A second drive wheel can be fixedly mounted on the outer side of the front end of the output shaft of the aforementioned drive motor, and a second driven wheel can be fixedly mounted on the outer side of the front end of the input shaft of the reducer. The second driven wheel and the second drive wheel are connected by a transmission belt. A belt tensioning generator assembly is mounted on the upper front side of the base. The belt tensioning generator assembly includes a third proximity sensor switch, a fourth proximity sensor switch, a fifth proximity sensor switch, a sixth proximity sensor switch, a lifting piston cylinder, a second electromagnetic clutch, a third electromagnetic clutch, a third generator, and a fourth generator. A first mounting bracket is fixedly mounted in front of the second drive wheel, and a third proximity sensor switch is fixedly mounted on the upper part of the first mounting bracket. A third sensing block corresponding to the third proximity sensing switch is fixedly installed. A fourth proximity sensing switch is fixedly installed on the front side of the reducer corresponding to the position behind the second driven wheel. A fourth sensing block corresponding to the fourth proximity sensing switch is fixedly installed on the rear side of the second driven wheel. A second mounting bracket is fixedly installed in front of the first driven wheel. A fifth proximity sensing switch is fixedly installed on the upper part of the second mounting bracket. A fifth sensing block corresponding to the fifth proximity sensing switch is fixedly installed on the front side of the first driven wheel. A sixth proximity sensing switch is fixedly installed on the rear side of the reducer corresponding to the position in front of the first driving wheel. A sixth sensing block corresponding to the sixth proximity sensing switch is fixedly installed on the front side of the first driving wheel. A support base is fixedly installed below the transmission belt. A hinge frame is hinged to the upper right side of the support base. A lifting piston cylinder is provided on the upper left side of the support base, which can make the left end of the hinge frame swing up and down. A tensioning shaft is rotatably installed on the inner left side of the hinge frame. A tensioning wheel is fixedly installed on the outer side of the tensioning shaft. A third generator and a fourth generator are respectively located in front of and behind the hinge frame. A second electromagnetic clutch is installed between the rear end of the shaft of the third generator and the front end of the tensioning shaft. A third electromagnetic clutch is installed between the front end of the shaft of the fourth generator and the rear end of the tensioning shaft. The third and fourth generators are both connected to the second energy storage module. The third, fourth, fifth, and sixth proximity switches, the hydraulic cylinder, the second electromagnetic clutch, and the third electromagnetic clutch are all connected to the second control module.

[0015] This invention features a reasonable and compact structure. The walking beam of the pumping unit is optimized by making it a hollow structure. A liquid storage chamber is installed inside the walking beam, along with a first generator and a first energy storage module. Antifreeze is added to either the left or right chamber. The antifreeze flows as the walking beam swings, generating electricity and adjusting its balance. The swinging motion of the walking beam converts dissipated mechanical energy into electrical energy, which can then be stored or used directly for other equipment, reducing grid power consumption. The clearance mechanism allows for quick downward or forward / backward swinging of the working head above the wellhead device during well repair or wellhead maintenance, freeing up space above the device, reducing the workload of personnel moving the entire pumping unit, and shortening well repair or wellhead maintenance time. Attached Figure Description

[0016] Appendix Figure 1 This is a schematic diagram of the main structure of Embodiment 1 of the present invention.

[0017] Appendix Figure 2 This is a three-dimensional structural diagram of Embodiment 1 of the present invention.

[0018] Appendix Figure 3 This is a schematic diagram of the main view structure of the walking beam in Embodiments 1 and 2 of the present invention.

[0019] Appendix Figure 4 This is a top sectional view of the walking beam in Embodiments 1 and 2 of the present invention.

[0020] Appendix Figure 5 This is a schematic diagram of the main sectional view of the walking beam in Embodiments 1 and 2 of the present invention.

[0021] Appendix Figure 6 This is a three-dimensional structural diagram of Embodiment 5 of the present invention.

[0022] Appendix Figure 7 This is a schematic diagram of the main structure when the working donkey head makes way in Embodiment 5 of the present invention.

[0023] Appendix Figure 8 For the appendix Figure 7 A magnified structural diagram of point A in the middle.

[0024] Appendix Figure 9 This is a rear view structural diagram of Embodiment Six of the present invention.

[0025] Appendix Figure 10 This is a schematic diagram of the main structure of the second generator in Embodiment 7 of the present invention.

[0026] Appendix Figure 11 This is a right-side structural schematic diagram of the second generator in Embodiment 7 of the present invention.

[0027] Appendix Figure 12This is a three-dimensional structural diagram of the second generator in Embodiment 7 of the present invention.

[0028] Appendix Figure 13 This is a schematic diagram of the left-side structure of the tensioner wheel in Embodiment 9 of the present invention.

[0029] Appendix Figure 14 This is a three-dimensional structural diagram of the tensioning wheel in Embodiment 9 of the present invention.

[0030] Appendix Figure 15 This is a schematic diagram of the circuit structure of the first control module in Embodiment Six of the present invention.

[0031] Appendix Figure 16 This is a schematic diagram of the circuit structure of the second control module in Embodiment 9 of the present invention.

[0032] The codes in the attached diagram are as follows: 1 for base, 2 for bracket, 3 for walking beam, 4 for first generator, 5 for impeller, 6 for guide shell, 7 for left chamber, 8 for right chamber, 9 for left inlet, 10 for right inlet, 11 for counterweight head, 12 for working head, 13 for crank, 14 for connecting rod, 15 for mounting slot, 16 for left guide plate, 17 for right guide plate, 18 for left confluence channel, 19 for right confluence channel, 20 for central bearing housing, 21 for first wind turbine, 22 for second wind turbine, 23 for mounting base, 24 for bidirectional piston cylinder, 25 for hinge pin, 26 for swing piston cylinder, 27 for upper connecting plate, 28 for lower connecting plate, 29 for fixed base, 30 for reducer, 31 for drive motor, 32 for crossbeam, 33 for tail bearing housing, 34 for crank pin assembly, 35 for second generator, 36 for limit seat, 37 for... The drive shaft, 38 is the first driven wheel, 39 is the first driving wheel, 40 is the first electromagnetic clutch, 41 is the first sensing block, 42 ​​is the second sensing block, 43 is the first proximity sensor switch, 44 is the second proximity sensor switch, 45 is the second driving wheel, 46 is the second driven wheel, 47 is the drive belt, 48 is the third proximity sensor switch, 49 is the fourth proximity sensor switch, 50 is the fifth proximity sensor switch, 51 is the sixth proximity sensor switch, 52 is the lifting piston cylinder, 53 is the second electromagnetic clutch, 54 is the third electromagnetic clutch, 55 is the third generator, 56 is the fourth generator, 57 is the first mounting bracket, 58 is the second mounting bracket, 59 is the third sensing block, 60 is the fourth sensing block, 61 is the fifth sensing block, 62 is the sixth sensing block, 63 is the support base, 64 is the hinge frame, 65 is the tensioning shaft, and 66 is the tensioning wheel. Detailed Implementation

[0033] The present invention is not limited to the following embodiments, and the specific implementation can be determined according to the technical solution of the present invention and the actual situation.

[0034] In this invention, for ease of description, the description of the relative positions of the components is based on the appendix to the specification. Figure 1 The layout is described using a diagrammatic method, such as the positional relationships of front, back, top, bottom, left, and right, which are based on the instructions attached. Figure 1 The orientation of the layout is determined by the direction of the map.

[0035] The present invention will be further described below with reference to embodiments and accompanying drawings: Example 1: As shown in the attached document Figure 1 , 2 As shown, the intelligent energy-harvesting and negative energy recovery integrated automatic yielding pumping unit includes a base 1, a support 2, a walking beam 3, a first generator 4, a first energy storage module, a drive mechanism, and a yielding mechanism. The drive mechanism and support 2 are fixedly installed at intervals on the upper side of the base 1. The walking beam 3 is rotatably installed on the upper side of the support 2. A liquid storage chamber is provided inside the walking beam 3. The first generator 4 is installed on the upper side of the middle part of the walking beam 3. The shaft of the first generator 4 passes through the upper side of the walking beam 3 and is located inside the liquid storage chamber. An impeller 5 is fixedly installed on the outer side of the lower part of the shaft of the first generator 4. A guide shell 6, fixedly installed inside the liquid storage chamber, is fitted on the outer side of the impeller 5. The guide shell 6 and the liquid storage chamber... The left side forms a left chamber 7, and the right side of the drainage shell 6 and the liquid storage chamber forms a right chamber 8. The left front side and the right rear side of the drainage shell 6 are provided with symmetrical left inlet 9 and right inlet 10. The inner side of the drainage shell 6 is connected to the left chamber 7 and the right chamber 8 through the left inlet 9 and the right inlet 10 respectively. The left and right ends of the walking beam 3 are respectively provided with counterweight donkey head 11 and working donkey head 12. A clearance mechanism is provided between the working donkey head 12 and the right end of the walking beam 3. A crank 13 is fixedly installed on the outer side of the output shaft end of the drive mechanism. A connecting rod 14 is hinged between the crank 13 and the lower left side of the walking beam 3. The first generator 4 and the clearance mechanism are both connected to the first energy storage module.

[0036] According to requirements, the diversion shell 6 and the middle part of the liquid storage chamber form a working chamber. The first energy storage module is a prior art technology, which includes a rechargeable battery and a controller connected together, such as a portable energy storage battery or an L12160 series ternary lithium battery. The first generator 4 is a prior art technology, such as a horizontal permanent magnet generator. The working donkey head 12 and the yielding mechanism can form a prior art technology, such as the automatic pin-pulling yielding donkey head device of the oil pump described in Chinese patent document CN222686651U. The first energy storage module can provide power to the yielding mechanism. The left outer side of the diversion shell 6 and the left inner wall of the liquid storage chamber form a left chamber 7, and the right outer side of the diversion shell 6 and the right inner wall of the liquid storage chamber form a right chamber 8. The inner side of the diversion shell 6 is connected to the left chamber 7 through the left inlet 9, and the inner side of the diversion shell 6 is connected to the right chamber 8 through the right inlet 10.

[0037] This application optimizes the walking beam 3 of the pumping unit by making it a hollow structure. A liquid storage chamber is set inside the walking beam 3, and a first generator 4 and a first energy storage module are added. Antifreeze is added to the left chamber 7 or the right chamber 8. The antifreeze flows as the walking beam 3 swings, and after flowing, it impacts the impeller 5 and drives the impeller 5 to rotate. This can be used to generate electricity and also to adjust the balance of the walking beam 3. The swing of the walking beam 3 can be used to convert the originally dissipated mechanical energy into electrical energy, which can be stored or directly used by other equipment, reducing the power grid's energy consumption. The modification cost is low. The setting of the clearance mechanism makes it convenient to quickly swing the working donkey head 12 above the wellhead device downward or back and forth during well repair or wellhead maintenance operations, making room above the wellhead device, reducing the workload of the operators moving the entire pumping unit, and shortening the well repair or wellhead maintenance operation time.

[0038] The above-mentioned intelligent energy recovery integrated automatic yielding pumping unit can be further optimized and / or improved according to actual needs: Example 2: As an optimization of the above examples, as shown in the appendix. Figure 3 , 4 As shown in Figure 5, the upper side of the middle part of the walking beam 3 is recessed downward to form an installation groove 15. A left drainage plate 16 is fixedly installed on the left side of the drainage shell 6 corresponding to the left inlet 9. The front side of the left drainage plate 16 forms a left confluence channel 18 with the inner wall of the front part of the left chamber 7, which is larger on the left and smaller on the right and communicates with the left inlet 9. A right drainage plate 17 is fixedly installed on the right side of the drainage shell 6 corresponding to the right inlet 10. The rear side of the right drainage plate 17 forms a right confluence channel 19 with the inner wall of the rear part of the right chamber 8, which is smaller on the left and larger on the right and communicates with the right inlet 10.

[0039] According to the requirements, the mounting slot 15 is a trapezoid with a wider top and a narrower bottom. The first generator 4 and the first energy storage module are both installed in the mounting slot 15. Cover plates are fixedly installed on the upper middle part and the front and rear sides of the walking beam 3 corresponding to the position of the mounting slot 15, which can protect the first generator 4 and the first energy storage module located in the mounting slot 15.

[0040] The upper part of the middle section of the walking beam 3 is recessed downward to form an installation groove 15. This reduces the height of the inner cross-section of the middle section of the walking beam 3, creating a channel with a smaller cross-sectional area between the left chamber 7 and the right chamber 8. When the working head 12 moves downward, the liquid in the left chamber 7 flows to the right chamber 8 through the guide shell 6. The liquid velocity increases after passing through the reduced cross-section, causing the impeller 5 to rotate rapidly when it impacts it. A left guide plate 16 is fixedly installed on the left side of the guide shell 6 corresponding to the left inlet 9. The front side of the left guide plate 16 forms a left confluence channel 18 with the front inner wall of the left chamber 7, which is larger on the left and smaller on the right and connects to the left inlet 9. This makes the width of the middle section of the walking beam 3 smaller in the middle and larger on both sides, further increasing the flow velocity of the fluid from the left chamber 7 to the guide shell 6, thereby increasing the speed of the impeller 5 and the power generation efficiency. The left drain plate 16 and the right drain plate 17 are centrally symmetrical, so that the fluid flows from the left chamber 7 to the drain shell 6 or the fluid flows from the right chamber 8 to the drain shell 6. After the fluid impacts the turbine, the turbine rotates in the same direction, thereby improving the power generation efficiency.

[0041] Example 3: As an optimization of the above examples, as shown in the appendix. Figure 1 , 2 As shown in Figure 14, a first control module is installed on the front side of the middle section of the walking beam 3. The first control module is connected to the first energy storage module. A central bearing seat 20 is installed between the upper side of the support 2 and the lower side of the middle section of the walking beam 3. A first vibration sensor and a first temperature sensor are installed at intervals on the outer side of the central bearing seat 20. Both the first vibration sensor and the first temperature sensor are connected to the first control module.

[0042] Depending on the requirements, the first control module is a known technology, such as the YK series programmable controller; the first vibration sensor is a known technology, such as the RS series vibration sensor; the first temperature sensor is a known technology, such as the HG-ZD-20A sensor; the first vibration sensor and the first temperature sensor can also be replaced by known temperature and vibration sensors.

[0043] In use, existing antifreeze is added to the left chamber 7 or the right chamber 8 to prevent the antifreeze from freezing at low temperatures. The volume of the antifreeze is 2 / 5 to 1 / 2 of the volume of the left chamber 7 or the right chamber 8. During the operation of the pumping unit, when the walking beam 3 swings within a certain angle range (generally ±30°), the liquid can flow between the left chamber 7 and the right chamber 8. When the liquid flows, it impacts the impeller 5. When the impeller 5 rotates, the first generator 4 generates electricity and stores it in the first energy storage module. In this way, the swing of the walking beam 3 can be used to generate electricity. The power supply for the first control module is provided by the first energy storage module. Thus, the power supply for the first vibration sensor and the first temperature sensor can be provided by the first energy storage module through the first control module. The connecting cables between the first control module and the first energy storage module, the first vibration sensor, the first control module, and the first temperature sensor and the first control module are all laid on the outside of the walking beam 3 to avoid failure when the connecting cables bend more frequently during the swing of the walking beam 3.

[0044] The first temperature sensor is used to detect the temperature of the central bearing housing 20 in real time. It compares the collected temperature data with historical temperature data, which is a set of temperature data collected within a set time period prior to the current temperature data collection time. In this embodiment, the set time period is 24 hours. When the collected temperature data is less than 20% of the lowest historical temperature data value or greater than 20% of the highest historical temperature data value, the first control module sends an early warning message to the remote monitoring terminal. The remote monitoring terminal dispatches maintenance personnel based on the temperature information of the central bearing housing 20. The first vibration sensor is used to detect the vibration data of the entire pumping unit, support 2, and walking beam 3 in real time. Similarly, it compares the collected vibration data with historical vibration data, which is a set of vibration data collected within a set time period prior to the current vibration data collection time. The set time period is also 24 hours. When the collected vibration data is less than 20% of the lowest historical vibration data value or greater than 20% of the highest historical vibration data value, the first control module sends an early warning message to the remote monitoring terminal. The remote monitoring terminal dispatches maintenance personnel based on the temperature information of the central bearing housing.

[0045] Example 4: As an optimization of the above examples, as shown in the appendix. Figure 1 , 2 As shown in Figures 9 and 4, a first wind turbine 21 and a second wind turbine 22 are installed at intervals on the upper left side of the walking beam 3. Both the first wind turbine 21 and the second wind turbine 22 are connected to the first energy storage module.

[0046] Depending on the requirements, the first wind turbine 21 is a known technology, such as an S-type horizontal axis wind turbine or a horizontal axis M-type wind turbine, and the second wind turbine 22 is a known technology, such as an FS series external rotor coreless generator with helical blades.

[0047] During use, the wind energy in the working environment of the pumping unit and the swing of the walking beam 3 can be fully utilized to generate electricity. The wind energy is converted into electrical energy and stored in the first energy storage module through the first wind turbine 21 and the second wind turbine 22. This can provide sufficient power to the first vibration sensor, the first temperature sensor and the clearance mechanism to ensure their normal operation.

[0048] Example 5: The only difference between this example and the examples above is the yielding mechanism, as shown in the attached diagram. Figure 6 , 7 As shown in Figure 8, the clearance mechanism includes a mounting base 23, a bidirectional piston cylinder 24, a hinge pin 25, and a swing piston cylinder 26. An I-shaped mounting base 23 is fixedly installed on the right end of the walking beam 3. An upper connecting plate 27 and a lower connecting plate 28 are fixedly installed at intervals on the left side of the working donkey head 12. Corresponding front connecting through holes are provided on the upper front side of the upper connecting plate 27, the upper front side of the lower connecting plate 28, and the upper front side of the mounting base 23. Corresponding rear connecting through holes are provided on the upper rear side of the upper connecting plate 27, the upper rear side of the lower connecting plate 28, and the upper rear side of the mounting base 23. The cylinder body of the bidirectional piston cylinder 24 is fixedly installed on the front side of the middle of the mounting base 23, and the piston rod of the bidirectional piston cylinder 24... The upper end passes through the front connecting through hole of the upper connecting plate 27, and the lower end of the piston rod of the bidirectional piston cylinder 24 passes through the front connecting through hole of the lower connecting plate 28. Hinges 25 are provided in the rear connecting holes of the upper connecting plate 27 and the mounting base 23, and in the rear connecting holes of the lower connecting plate 28 and the mounting base 23. Fixing bases 29 are fixedly installed on the left rear side of the working donkey head 12 corresponding to the position between the upper connecting plate 27 and the lower connecting plate 28. The right rear side of the walking beam 3 is hinged to the left end of the cylinder body of the swing piston cylinder 26. The right end of the piston rod of the swing piston cylinder 26 is hinged to the fixing base 29. Both the bidirectional piston cylinder 24 and the swing piston cylinder 26 are connected to the first control module.

[0049] According to the requirements, the bidirectional piston cylinder 24 is a known technology, such as the MOB dual-output shaft adjustable stroke lightweight tie rod hydraulic cylinder. The cylinder body of the bidirectional piston cylinder 24 is fixedly installed on the front side of the middle of the mounting base 23. The upper end of the piston rod above the bidirectional piston cylinder 24 passes through the front connecting through hole above the mounting base 23 and the front connecting through hole of the upper connecting plate 27 in sequence from bottom to top. The lower end of the piston rod below the bidirectional piston cylinder 24 passes through the front connecting through hole below the mounting base 23 and the front connecting through hole of the lower connecting plate 28 in sequence from top to bottom. The swing piston cylinder 26 is a known hydraulic cylinder. A hydraulic station connected to the bidirectional piston cylinder 24 and the swing piston cylinder 26 can be provided on the rear right side of the walking beam 3. The hydraulic station is a known technology, such as the Shuke Beta 24V 2.1KW-6L oil tank-3 sets of double-acting solenoid valve hydraulic power unit. A first oil inlet pipe and a second oil inlet pipe are respectively installed between the oil outlet of the hydraulic station and the oil inlet of the bidirectional piston cylinder 24 and the oil inlet of the swing piston cylinder 26. A first oil return pipe and a second oil return pipe are respectively installed between the oil return port of the bidirectional telescopic cylinder and the oil return port of the swing piston cylinder 26 and the oil return port of the hydraulic station. A first solenoid valve is installed between the first oil inlet pipe and the first oil return pipe, and a second solenoid valve is installed between the second oil inlet pipe and the second oil return pipe. The hydraulic station, the first solenoid valve and the second solenoid valve are all connected to the control module. The bidirectional piston cylinder 24 and the swing piston cylinder 26 are connected to the first control module through the first solenoid valve and the second solenoid valve, respectively. The bidirectional piston cylinder 24 can also be a known technology, such as a scissor-type electric jack or two electric push rods, and the swing piston cylinder 26 can also be a known electric push rod.

[0050] During use, in the initial state, the piston rods of the swing piston cylinder 26 and the two piston rods of the bidirectional piston cylinder 24 are both extended. When it is necessary to make way, the two piston rods of the bidirectional piston cylinder 24 retract, and then the piston rod of the swing piston cylinder 26 retracts. This allows the right end of the working head 12 to swing backward around the central axis of the hinge pin 25, thus clearing the space above the wellhead device for wellhead maintenance or workover operations. After the wellhead maintenance or workover operations are completed, the piston rod of the swing piston cylinder 26 extends to the initial state, and the two piston rods of the bidirectional piston cylinder 24 extend to the initial position, allowing the working head 12 to be fixedly installed with the walking beam 3, and the pumping unit can then perform normal pumping operations.

[0051] Example 6: As an optimization of the above examples, as shown in the appendix Figure 1 , 2As shown in Figures 9 and 14, the drive mechanism includes a reducer 30 and a drive motor 31 fixedly mounted on the upper side of the base 1 at left and right intervals. The front end of the output shaft of the drive motor 31 is connected to the front end of the input shaft of the reducer 30. Cranks 13 are fixedly mounted on the outer side of the front end and the outer side of the rear end of the output shaft of the reducer 30. A crossbeam 32 is provided on the upper left side of the bracket 2. A tail bearing seat 33 is installed between the upper side of the middle part of the crossbeam 32 and the lower side of the left part of the walking beam 3. A connecting rod 14 is installed on the left side of each crank 13 through a crank pin assembly 34. The upper end of each connecting rod 14 is hinged to the crossbeam 32. A second temperature sensor is installed on the outer side of the tail bearing seat 33, and a third temperature sensor is installed on the outer side of the crank pin assembly 34. Both the second and third temperature sensors are connected to the first control module.

[0052] As required, the second and third temperature sensors are both existing and known temperature sensors, and the crank pin assembly 34 and the tail bearing housing 33 are both existing and known technologies.

[0053] During operation, the second temperature sensor detects the temperature of the tail bearing housing 33, and the third temperature sensor detects the temperature of the crank pin assembly 34. This allows for real-time monitoring of the working status of the moving parts of the pumping unit. Both the second and third temperature sensors are connected to the first control module. When the collected data is less than 20% of the lowest historical data value or greater than 20% of the highest historical data value, the first control module sends a warning message. When the collected data is less than 35% of the lowest historical data value or greater than 35% of the highest historical data value, the first control module sends an alarm message. At this point, the drive motor 31 needs to stop working, and the pumping unit needs to be stopped for maintenance. The first energy storage module can also provide working voltage to the second and third temperature sensors through the first control module. Moreover, the connecting cables can be laid along the walking beam 3. During the operation of the pumping unit, this avoids the connection cables of the second and third temperature sensors, which draw power from the pumping unit control cabinet, from repeatedly bending at the central bearing housing 20 (bending twice per minute, which would result in 5760 bends per day) and potentially causing fatigue breakage. Furthermore, this also increases the energy consumption due to the need for working voltage.

[0054] Example 7: As an optimization of the above examples, as shown in the appendix. Figure 1 , 2As shown in Figures 9 to 12 and 16, a second energy storage module and a second control module are installed at intervals on the upper side of the base 1. A second generator 35 is fixedly installed on the upper side of the base 1 at the position between the reducer 30 and the drive motor 31. A limit seat 36 is fixedly installed on the upper side of the base 1 at the position behind the second generator 35. A transmission shaft 37 is rotatably installed inside the limit seat 36. A first driven wheel 38 is fixedly installed on the outer side of the rear end of the transmission shaft 37. A first driving wheel 39 is fixedly installed on the rear end of the input shaft of the reducer 30. The first driving wheel 39 and the first driven wheel 38 are connected by transmission. A first electromagnetic clutch 40 is provided between the front end of the transmission shaft 37 and the rear end of the rotating shaft of the second generator 35. The first electromagnetic clutch 40 and the second energy storage module are both connected to the second control module. The second energy storage module is connected to the second generator 35.

[0055] According to the requirements, the second generator 35 is a known horizontal permanent magnet generator. The second energy storage module and the first energy storage module have the same structure. The second control module is a known PLC controller. The front end of the drive shaft 37 is connected or separated from the rear end of the shaft of the second generator 35 through the first electromagnetic clutch 40. The first electromagnetic clutch 40 is a known technology, such as the VM series single friction plate electromagnetic clutch that separates when the power is off. The limit seat 36 can be a known bearing seat. The first driving wheel 39 and the first driven wheel 38 are both known pulleys. The outer diameter of the first driving wheel 39 is larger than the outer diameter of the first driven wheel 38. The first driving wheel 39 and the first driven wheel 38 are connected by belt drive.

[0056] During use, the first electromagnetic clutch 40 facilitates the connection between the drive shaft 37 and the rear end of the input shaft of the reducer 30. The first electromagnetic clutch 40 can be activated by the second control module to connect or disconnect the front end of the drive shaft 37 and the rear end of the input shaft of the reducer 30.

[0057] When the current of the drive motor 31 increases during the upstroke, that is, when the working donkey head 12 moves from the bottom dead center to the top dead center, the load on the drive motor 31 increases. The second control module causes the first electromagnetic clutch 40 to actuate, separating the front end of the transmission shaft 37 from the rear end of the shaft of the second generator 35, thereby reducing the load on the drive motor 31. Similarly, when the current of the drive motor 31 increases during the downstroke, that is, when the working donkey head 12 moves from the top dead center to the bottom dead center, the load on the drive motor 31 increases. The second control module causes the first electromagnetic clutch 40 to actuate, separating the front end of the transmission shaft 37 from the rear end of the shaft of the second generator 35, thereby reducing the load on the drive motor 31.

[0058] When the current of the drive motor 31 is small during the upstroke or downstroke, the load on the drive motor 31 is small. The second control module causes the first electromagnetic clutch 40 to actuate, connecting the front end of the drive shaft 37 with the rear end of the shaft of the second generator 35. After the drive shaft 37 rotates, it generates electricity through the second generator 35. In this way, the reactive power of the drive motor 31 can be converted and stored in the second energy storage module, realizing the reuse of the pumping unit's energy consumption or powering the grid.

[0059] Example 8: As an optimization of the above examples, as shown in the appendix Figure 1 , 2 As shown in Figures 9 and 16, a first sensing block 41 and a second sensing block 42 are fixedly installed at intervals on the side of the crank 13. A first proximity sensing switch 43 corresponding to the first sensing block 41 is fixedly installed on the upper rear side of the reducer 30. A second proximity sensing switch 44 corresponding to the second sensing block 42 is fixedly installed on the lower rear side of the reducer 30. When the first sensing block 41 corresponds to the first proximity sensing switch 43, the angle between the crank 13 and the connecting rod 14 is 180 degrees, and the working head 12 is located at the bottom dead center. When the second sensing block 42 corresponds to the second proximity sensing switch 44, the angle between the crank 13 and the connecting rod 14 is 0 degrees, and the working head 12 is located at the top dead center. Both the first proximity sensing switch 43 and the second proximity sensing switch 44 are connected to the second control module.

[0060] According to the requirements, a first sensing block 41 and a second sensing block 42 are fixedly installed at intervals on the side of the crank 13 at the rear. The first proximity sensing switch 43 and the second proximity sensing switch 44 are both existing known technologies. The first sensing block 41 and the second sensing block 42 are fixedly installed at intervals on the side of the crank 13 along the length direction of the crank 13, so that the first proximity sensing switch 43 and the second proximity sensing switch 44 can be distinguished. The setting of the first proximity sensor switch 43 and the second proximity sensor switch 44 can determine whether the working head 12 moves upward or downward, and can also determine the stroke count. For example, if the time between the first triggering of the first proximity sensor switch 43 and the first triggering of the second proximity sensor switch 44 is 15 seconds, or the time between the first triggering of the first proximity sensor switch 43 and the second triggering is 30 seconds, then one minute equals two strokes. When the first sensing block 41 corresponds to the first proximity sensor switch 43, the angle between the crank 13 and the connecting rod 14 is 180 degrees, that is, the crank pin assembly 34 is located between the walking beam 3 and the output shaft of the reducer 30, and the working head 12 is located at the bottom dead center. When the second sensing block 42 corresponds to the second proximity sensor switch 44, the angle between the crank 13 and the connecting rod 14 is 0 degrees, that is, the crank pin assembly 34 is located at the output shaft of the reducer 30. Below the shaft, the working head 12 is located at the top dead center. By comparing the times corresponding to the first proximity sensor switch 43 and the first sensing block 41, and the times corresponding to the second proximity sensor switch 44 and the second sensing block 42 with the current curve of the pumping unit drive motor 31, it is possible to quickly determine whether the pumping unit is in an upstroke or downstroke. This makes the control of the first electromagnetic clutch 40 by the first control module more accurate. For example, during the process of the working head 12 moving from the bottom dead center to the top dead center, the current of the drive motor 31 changes from 33A to 45A, and during the process of the working head 12 moving from the top dead center to the bottom dead center, the current of the drive motor 31 changes from 45A to 33A. This allows for power generation when the current is relatively low (such as between 38A and 33A). The first control module activates the first electromagnetic clutch 40, and the electrical energy of the second generator 35 is stored in the first energy storage module.

[0061] Example 9: As an optimization of the above examples, as shown in the appendix Figure 1 , 2As shown in Figures 9, 13, 14, and 16, a second driving wheel 45 is fixedly mounted on the outer side of the front end of the output shaft of the drive motor 31, and a second driven wheel 46 is fixedly mounted on the outer side of the front end of the input shaft of the reducer 30. The second driven wheel 46 and the second driving wheel 45 are connected by a transmission belt 47. A belt tensioning generator assembly is mounted on the upper front side of the base 1. The belt tensioning generator assembly includes a third proximity sensor switch 48, a fourth proximity sensor switch 49, a fifth proximity sensor switch 50, a sixth proximity sensor switch 51, a lifting piston cylinder 52, and a second electromagnetic clutch 53. The system includes a third electromagnetic clutch 54, a third generator 55, and a fourth generator 56. A first mounting bracket 57 is fixedly installed in front of the second drive wheel 45. A third proximity sensor switch 48 is fixedly installed on the upper part of the first mounting bracket 57. A third sensing block 59 corresponding to the third proximity sensor switch 48 is fixedly installed on the front side of the second drive wheel 45. A fourth proximity sensor switch 49 is fixedly installed in front of the reducer 30 located behind the second driven wheel 46. A fourth sensing block 60 corresponding to the fourth proximity sensor switch 49 is fixedly installed on the rear side of the second driven wheel 46.

[0062] A second mounting bracket 58 is fixedly installed in front of the first driven wheel 38. A fifth proximity sensor switch 50 is fixedly installed on the upper part of the second mounting bracket 58. A fifth sensing block 61 corresponding to the fifth proximity sensor switch 50 is fixedly installed on the front side of the first driven wheel 38. A sixth proximity sensor switch 51 is fixedly installed on the rear side of the reducer 30 corresponding to the position in front of the first driving wheel 39. A sixth sensing block 62 corresponding to the sixth proximity sensor switch 51 is fixedly installed on the front side of the first driving wheel 39.

[0063] A support seat 63 is fixedly installed below the transmission belt 47. A hinge frame 64 is hinged to the upper right side of the support seat 63. A lifting piston cylinder 52 is provided on the upper left side of the support seat 63, which can make the left end of the hinge frame 64 swing up and down. A tensioning shaft 65 is rotatably installed on the inner left side of the hinge frame 64. A tensioning wheel 66 is fixedly installed on the outer side of the tensioning shaft 65. A third generator 55 and a fourth generator 56 are respectively provided in front of and behind the hinge frame 64. A second electromagnetic clutch 53 is installed between the rear end of the shaft of the third generator 55 and the front end of the tensioning shaft 65. A third electromagnetic clutch 54 is installed between the front end of the shaft of the fourth generator 56 and the rear end of the tensioning shaft 65.

[0064] The third generator 55 and the fourth generator 56 are both connected to the second energy storage module. The third proximity sensor switch 48, the fourth proximity sensor switch 49, the fifth proximity sensor switch 50, the sixth proximity sensor switch 51, the lifting piston cylinder 52, the second electromagnetic clutch 53, and the third electromagnetic clutch 54 are all connected to the second control module.

[0065] According to the requirements, the third proximity sensor switch 48, the fourth proximity sensor switch 49, the fifth proximity sensor switch 50, and the sixth proximity sensor switch 51 are all existing known technologies, such as ANS series magnetic proximity sensors or inductive sensors. The second electromagnetic clutch 53 and the third electromagnetic clutch 54 have the same structure as the first electromagnetic clutch 40. The lifting piston cylinder 52 is an existing known hydraulic piston cylinder.

[0066] When the pumping unit is working normally, in the initial state, the second electromagnetic clutch 53 and the third electromagnetic clutch 54 are not working, the front end of the tensioning shaft 65 is separated from the rear end of the shaft of the third generator 55, and at the same time the rear end of the tensioning shaft 65 is separated from the front end of the shaft of the fourth generator 56. Neither the third generator 55 nor the fourth generator 56 generates electricity. Then, the second control module causes the piston rod of the lifting piston cylinder 52 to rise. After the piston rod of the lifting piston rod rises, the left side of the hinge frame 64 swings upward, and finally the outer side of the tensioning wheel 66 abuts against the lower outer side of the transmission belt 47. The pressure of the outer side of the tensioning wheel 66 on the transmission belt 47 can be adjusted according to the actual situation. In this embodiment, after the piston rod of the lifting piston cylinder 52 rises, the pressure of the outer side of the tensioning wheel 66 on the transmission belt 47 is 200N. This can prevent the transmission belt 47 from slipping between the second driving wheel 45 and the second driven wheel 46, and improve the transmission efficiency. In this way, when the transmission belt 47 is loose, it can be used as the tensioning wheel 66.

[0067] When the load difference (the difference between the maximum and minimum values ​​of the suspension point load) is less than or equal to 3000N, only one side of the generator is used for power generation and energy storage. That is, after the second control module activates the second electromagnetic clutch 53, the front end of the tension shaft 65 is connected to the rear end of the shaft of the third generator 55. Alternatively, after the second control module activates the third electromagnetic clutch 54, the rear end of the tension shaft 65 is connected to the front end of the shaft of the fourth generator 56. When the transmission belt 47 moves with the second drive wheel 45, it drives the tension shaft 65 to rotate, thereby driving the shaft of the third generator 55 or the shaft of the fourth generator 56 to rotate. In this way, the third generator 55 or the fourth generator 56 can generate electricity and then store the electrical energy in the second energy storage module.

[0068] When the load difference (the difference between the maximum and minimum values ​​of the suspension point load) is greater than 3000N, the generators on both sides generate and store energy simultaneously. That is, the second control module makes the second electromagnetic clutch 53 and the third electromagnetic clutch 54 work simultaneously. The front end of the tension shaft 65 is connected to the rear end of the shaft of the third generator 55, and the rear end of the tension shaft 65 is connected to the front end of the shaft of the fourth generator 56. When the transmission belt 47 moves with the second drive wheel 45, it drives the tension shaft 65 to rotate, thereby driving the shafts of the third generator 55 and the fourth generator 56 to rotate simultaneously. In this way, the third generator 55 and the fourth generator 56 can generate electricity and then store the electrical energy in the second energy storage module.

[0069] For every revolution of the output shaft of the drive motor 31 and the second drive pulley 45, the third proximity switch 48 is triggered once. The number of times the third proximity switch 48 is triggered can be used to calculate the number of revolutions of the second drive pulley 45. Similarly, for every revolution of the second driven pulley 46, the fourth proximity switch 49 is triggered once. The number of times the fourth proximity switch 49 is triggered can be used to calculate the number of revolutions of the second driven pulley 46. Then, the transmission ratio between the second drive pulley 45 and the second driven pulley 46 is compared with the ratio of the number of times the third proximity switch 48 and the fourth proximity switch 49 are triggered to determine whether the transmission belt 47 has become loose, broken, or detached. For example, if the diameter of the second drive pulley 45 is 230mm and the diameter of the second driven pulley 46 is 1035mm, then the transmission ratio between the second drive pulley 45 and the second driven pulley 46 is 1035 / 230 = 4.5, meaning that for every 4.5 revolutions of the second drive pulley 45 (small pulley), the second driven pulley 46 (large pulley) rotates once.

[0070] If the ratio of the number of times the third proximity sensor 48 is triggered to the number of times the fourth proximity sensor 49 is triggered is consistent with the transmission ratio (the third proximity sensor 48 is triggered 9 times and the fourth proximity sensor 49 is triggered 2 times), then the transmission belt 47 is not loose. If the ratio of the number of times the third proximity sensor 48 is triggered to the number of times the fourth proximity sensor 49 is triggered differs significantly from the transmission ratio, then the transmission belt 47 is faulty.

[0071] Specifically, when the ratio of the number of times the third proximity sensor switch 48 is triggered to the number of times the fourth proximity sensor switch 49 is triggered is equal to the transmission ratio and less than 1.1 times the transmission ratio (the second driven wheel 46 rotates passively, and the ratio of the number of times the third proximity sensor switch 48 is triggered to the number of times the fourth proximity sensor switch 49 is triggered will not be less than the transmission ratio), it indicates that the transmission between the transmission belt 47 and the second driving wheel 45 and the second driven wheel 46 is normal (normal slippage phenomenon); when the ratio of the number of times the third proximity sensor switch 48 is triggered to the number of times the fourth proximity sensor switch 49 is triggered is greater than 1.1 times the transmission ratio, it indicates that the transmission belt 47 and the second driving wheel 45 and the second driven wheel 46 are in normal working order (normal slippage phenomenon). Slippage occurs between the second driving pulley 45 and the second driven pulley 46. At this time, the second control module causes the piston rod of the lifting piston cylinder 52 to rise. After the piston rod rises, the left side of the hinge frame 64 swings upward, eventually causing the outer side of the tensioning pulley 66 to abut against the lower outer side of the transmission belt 47. The tensioning pulley 66 can be used as a tensioning pulley. When the ratio of the number of times the third proximity sensor switch 48 is triggered to the number of times the fourth proximity sensor switch 49 is triggered is much greater than the transmission ratio, it indicates that the transmission belt 47 has broken or fallen off. At this time, the second control module sends an alarm message to the monitoring terminal, and the staff performs maintenance according to the alarm message.

[0072] Similarly, the ratio of the number of times the sixth proximity sensor switch 51 is triggered to the number of times the fifth proximity sensor switch 50 is triggered can be compared with the transmission ratio of the first driving wheel 39 and the first driven wheel 38, which can provide protection and monitoring for the third generator 55.

[0073] The above technical features constitute various embodiments of the present invention, which have strong adaptability and implementation effect. Unnecessary technical features can be added or removed according to actual needs to meet the needs of different situations.

Claims

1. A smart, energy-harvesting, integrated automatic yielding pumping unit, characterized in that... The system includes a base, a support, a walking beam, a first generator, a first energy storage module, a drive mechanism, and a clearance mechanism. The drive mechanism and the support are fixedly mounted at intervals on the upper side of the base. A walking beam is rotatably mounted on the upper side of the support. A liquid storage chamber is provided inside the walking beam. The first generator is mounted on the upper middle part of the walking beam. The shaft of the first generator passes through the upper side of the walking beam and is located within the liquid storage chamber. An impeller is fixedly mounted on the lower outer side of the shaft of the first generator. A guide shell, fixedly installed within the liquid storage chamber, is fitted onto the outer side of the impeller. The guide shell and the left side of the liquid storage chamber form a left-right... The right chamber is formed by the drainage shell and the right side of the storage chamber. The left side of the front part and the right side of the rear part of the drainage shell are provided with symmetrical left and right inlets. The inside of the drainage shell is connected to the left chamber and the right chamber through the left and right inlets respectively. The left and right ends of the walking beam are respectively provided with counterweight donkey head and working donkey head. A clearance mechanism is provided between the working donkey head and the right end of the walking beam. A crank is fixedly installed on the outer side of the output shaft end of the drive mechanism. A connecting rod is hinged between the crank and the lower left side of the walking beam. The first generator and the clearance mechanism are both connected to the first energy storage module.

2. The intelligent plundering negative energy recovery integrated automatic yielding pumping unit according to claim 1, characterized in that... The upper side of the middle part of the walking beam is recessed downward to form an installation groove. A left drainage plate is fixedly installed on the left side of the drainage shell corresponding to the left inlet position. The front side of the left drainage plate and the inner wall of the front part of the left chamber form a left confluence channel that is larger on the left and smaller on the right and communicates with the left inlet. A right drainage plate is fixedly installed on the right side of the drainage shell corresponding to the right inlet position. The rear side of the right drainage plate and the inner wall of the rear part of the right chamber form a right confluence channel that is smaller on the left and larger on the right and communicates with the right inlet.

3. The intelligent plundering negative energy recovery integrated automatic yielding pumping unit according to claim 2, characterized in that... A first control module is installed on the front side of the middle section of the walking beam. The first control module is connected to the first energy storage module. A central bearing seat is installed between the upper side of the support and the lower side of the middle section of the walking beam. A first vibration sensor and a first temperature sensor are installed at intervals on the outer side of the central bearing seat. Both the first vibration sensor and the first temperature sensor are connected to the first control module. Or / and, a first wind turbine and a second wind turbine are installed at intervals on the upper left side of the walking beam, and both the first wind turbine and the second wind turbine are connected to the first energy storage module.

4. The intelligent plundering negative energy recovery integrated automatic yielding pumping unit according to claim 3, characterized in that... The clearance mechanism includes a mounting base, a double-acting piston cylinder, a hinge pin, and a swing piston cylinder. An I-shaped mounting base is fixedly installed on the right end of the walking beam. An upper connecting plate and a lower connecting plate are fixedly installed at intervals on the left side of the working head. Corresponding front connecting through holes are provided on the upper front side of the upper connecting plate, the upper front side of the lower connecting plate, and the upper front side of the mounting base. Corresponding rear connecting through holes are provided on the upper rear side of the upper connecting plate, the upper rear side of the lower connecting plate, and the upper rear side of the mounting base. The cylinder body of the double-acting piston cylinder is fixedly installed on the front side of the middle of the mounting base. The upper end of the piston rod of the double-acting piston cylinder... The piston rod of the bidirectional piston cylinder passes through the front connecting through hole of the upper connecting plate and the lower connecting plate. Hinges are provided in the rear connecting holes of the upper connecting plate and the mounting base, and in the rear connecting holes of the lower connecting plate and the mounting base. Fixed seats are fixedly installed on the left rear side of the working donkey head corresponding to the position between the upper connecting plate and the lower connecting plate. The right rear side of the walking beam is hinged to the left end of the cylinder body of the swing piston cylinder. The right end of the piston rod of the swing piston cylinder is hinged to the fixed seat. Both the bidirectional piston cylinder and the swing piston cylinder are connected to the first control module.

5. The intelligent plundering negative energy recovery integrated automatic yielding pumping unit according to claim 3 or 4, characterized in that... The drive mechanism includes a reducer and a drive motor fixedly mounted on the upper side of the base at left and right intervals. The front end of the output shaft of the drive motor is connected to the front end of the input shaft of the reducer. Cranks are fixedly mounted on the outer side of the front end and the outer side of the rear end of the output shaft of the reducer. A crossbeam is provided on the upper left side of the bracket. A tail bearing seat is installed between the upper side of the middle part of the crossbeam and the lower side of the left part of the walking beam. A connecting rod is installed on the left side of each crank through a crank pin assembly. The upper end of each connecting rod is hinged to the crossbeam. A second temperature sensor is installed on the outer side of the tail bearing seat. A third temperature sensor is installed on the outer side of the crank pin assembly. Both the second and third temperature sensors are connected to the first control module.

6. The intelligent plundering negative energy recovery integrated automatic yielding pumping unit according to claim 2, 3, or 4, characterized in that... A second energy storage module and a second control module are installed at intervals on the upper side of the base. A second generator is fixedly installed on the upper side of the base corresponding to the position between the reducer and the drive motor. A limit seat is fixedly installed on the upper side of the base corresponding to the position behind the second generator. A drive shaft is rotatably installed inside the limit seat. A first driven wheel is fixedly installed on the outer side of the rear end of the drive shaft. A first driving wheel is fixedly installed on the rear end of the input shaft of the reducer. The first driving wheel and the first driven wheel are connected by transmission. A first electromagnetic clutch is provided between the front end of the drive shaft and the rear end of the rotating shaft of the second generator. The first electromagnetic clutch and the second energy storage module are both connected to the second control module. The second energy storage module is connected to the second generator.

7. The intelligent plundering negative energy recovery integrated automatic yielding pumping unit according to claim 5, characterized in that... A second energy storage module and a second control module are installed at intervals on the upper side of the base. A second generator is fixedly installed on the upper side of the base corresponding to the position between the reducer and the drive motor. A limit seat is fixedly installed on the upper side of the base corresponding to the position behind the second generator. A drive shaft is rotatably installed inside the limit seat. A first driven wheel is fixedly installed on the outer side of the rear end of the drive shaft. A first driving wheel is fixedly installed on the rear end of the input shaft of the reducer. The first driving wheel and the first driven wheel are connected by transmission. A first electromagnetic clutch is provided between the front end of the drive shaft and the rear end of the rotating shaft of the second generator. The first electromagnetic clutch and the second energy storage module are both connected to the second control module. The second energy storage module is connected to the second generator.

8. The intelligent plundering negative energy recovery integrated automatic yielding pumping unit according to claim 6, characterized in that... A first sensing block and a second sensing block are fixedly installed at intervals on the side of the crank. A first proximity sensing switch corresponding to the first sensing block is fixedly installed on the upper rear side of the reducer. A second proximity sensing switch corresponding to the second sensing block is fixedly installed on the lower rear side of the reducer. When the first sensing block corresponds to the first proximity sensing switch, the angle between the crank and the connecting rod is 180 degrees and the working head is located at the bottom dead center. When the second sensing block corresponds to the second proximity sensing switch, the angle between the crank and the connecting rod is 0 degrees and the working head is located at the top dead center. Both the first proximity sensing switch and the second proximity sensing switch are connected to the second control module.

9. The intelligent plundering negative energy recovery integrated automatic yielding pumping unit according to claim 7, characterized in that... A first sensing block and a second sensing block are fixedly installed at intervals on the side of the crank. A first proximity sensing switch corresponding to the first sensing block is fixedly installed on the upper rear side of the reducer. A second proximity sensing switch corresponding to the second sensing block is fixedly installed on the lower rear side of the reducer. When the first sensing block corresponds to the first proximity sensing switch, the angle between the crank and the connecting rod is 180 degrees and the working head is located at the bottom dead center. When the second sensing block corresponds to the second proximity sensing switch, the angle between the crank and the connecting rod is 0 degrees and the working head is located at the top dead center. Both the first proximity sensing switch and the second proximity sensing switch are connected to the second control module.

10. The intelligent plundering negative energy recovery integrated automatic yielding pumping unit according to claim 8 or 9, characterized in that... A second drive wheel is fixedly mounted on the outer side of the front end of the output shaft of the drive motor, and a second driven wheel is fixedly mounted on the outer side of the front end of the input shaft of the reducer. The second driven wheel and the second drive wheel are connected by a transmission belt. A belt tensioning generator assembly is mounted on the upper front side of the base. The belt tensioning generator assembly includes a third proximity sensor switch, a fourth proximity sensor switch, a fifth proximity sensor switch, a sixth proximity sensor switch, a lifting piston cylinder, a second electromagnetic clutch, a third electromagnetic clutch, a third generator, and a fourth generator. A first mounting bracket is fixedly mounted in front of the second drive wheel, and a third proximity sensor switch is fixedly mounted on the upper part of the first mounting bracket. A third proximity sensor block corresponding to the third proximity sensor switch is installed. A fourth proximity sensor switch is fixedly installed on the front side of the reducer corresponding to the position behind the second driven wheel. A fourth proximity sensor block corresponding to the fourth proximity sensor switch is fixedly installed on the rear side of the second driven wheel. A second mounting bracket is fixedly installed in front of the first driven wheel. A fifth proximity sensor switch is fixedly installed on the upper part of the second mounting bracket. A fifth proximity sensor block corresponding to the fifth proximity sensor switch is fixedly installed on the front side of the first driven wheel. A sixth proximity sensor switch is fixedly installed on the rear side of the reducer corresponding to the position in front of the first driving wheel. A sixth proximity sensor block corresponding to the sixth proximity sensor switch is fixedly installed on the front side of the first driving wheel. A support base is fixedly installed below the transmission belt. A hinge frame is hinged to the upper right side of the support base. A lifting piston cylinder is provided on the upper left side of the support base, which can make the left end of the hinge frame swing up and down. A tensioning shaft is rotatably installed on the inner left side of the hinge frame. A tensioning wheel is fixedly installed on the outer side of the tensioning shaft. A third generator and a fourth generator are respectively located in front of and behind the hinge frame. A second electromagnetic clutch is installed between the rear end of the shaft of the third generator and the front end of the tensioning shaft. A third electromagnetic clutch is installed between the front end of the shaft of the fourth generator and the rear end of the tensioning shaft. The third and fourth generators are both connected to the second energy storage module. The third, fourth, fifth, and sixth proximity switches, the hydraulic cylinder, the second electromagnetic clutch, and the third electromagnetic clutch are all connected to the second control module.

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