CN114109353A - Pumping unit working environment detection device and system based on Internet of things technology - Google Patents

Pumping unit working environment detection device and system based on Internet of things technology Download PDF

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Publication number
CN114109353A
CN114109353A CN202111351638.6A CN202111351638A CN114109353A CN 114109353 A CN114109353 A CN 114109353A CN 202111351638 A CN202111351638 A CN 202111351638A CN 114109353 A CN114109353 A CN 114109353A
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CN
China
Prior art keywords
gear
pumping unit
tripod
internet
positioner
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Granted
Application number
CN202111351638.6A
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Chinese (zh)
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CN114109353B (en
Inventor
吴晓强
张春友
王利华
闫伟
张红娜
乌兰
赵华洋
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Inner Mongolia University for Nationlities
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Inner Mongolia University for Nationlities
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Priority to CN202111351638.6A priority Critical patent/CN114109353B/en
Publication of CN114109353A publication Critical patent/CN114109353A/en
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Publication of CN114109353B publication Critical patent/CN114109353B/en
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/06—Measuring temperature or pressure
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
    • F04B47/14—Counterbalancing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F04B49/065—Control using electricity and making use of computers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B51/00—Testing machines, pumps, or pumping installations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
    • F16H37/122—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and oscillating motion

Abstract

The invention discloses a device and a system for detecting the working environment of a pumping unit by using the Internet of things technology in the field of oil well exploitation, and the device comprises a pumping unit body, a command mechanism and an executing mechanism, wherein the executing mechanism comprises an adjusting device positioned between a balance weight and a motor, the motor is provided with an input gear, the adjusting device comprises a tripod, a driven wheel, an output gear, a transition wheel and a reversing swinging assembly, the tripod comprises a frame body and a supporting rod, the supporting rod is positioned at three vertexes of the tripod, the transition wheel is sleeved on the surface of the supporting rod, the gear ratios between any transition wheel and the input gear are different, the three vertexes of the tripod are respectively connected with the transition wheels with different tooth numbers, when the command mechanism sends a command to the reversing swinging assembly, the tripod rotates, at the moment, the transition wheel between the input gear and the driven wheel changes to adapt to different working environments, the number of strokes is changed instantaneously.

Description

Pumping unit working environment detection device and system based on Internet of things technology
Technical Field
The invention belongs to the field of oil well exploitation, and particularly relates to a pumping unit working environment detection device and a system thereof based on the Internet of things technology.
Background
In the oil extraction process of the oil pumping unit for oil development, due to the influences of geological factors and oil properties, particularly factors such as a heavy oil well and the like, the stroke frequency of the oil pumping unit is often required to be changed to improve the production efficiency.
The existing pumping unit can meet the requirements of different stroke times in work by replacing a small belt wheel and a triangular rubber belt on a motor shaft in the working process if the conventional beam pumping unit adopting crank balance is adopted. When the required stroke frequency is realized, the pumping unit is stopped, and then the small belt pulley is manually disassembled and replaced. And the belt pulley of on-spot beam-pumping unit exposes outside, rusts very easily to the threaded connection department of fixed belt pulley and the conical surface junction of belt pulley and axle also can all rust usually, so it wastes time and energy to dismantle, and it takes 2 ~ 3 days's operating time about to change the gear once. Therefore, the pumping unit has long gear shifting time, low efficiency and inconvenient operation, and cannot meet the development requirement of the modern oil extraction technology.
Disclosure of Invention
In order to solve the problems, the invention aims to provide the pumping unit which can change the stroke frequency timely according to the environment and the requirement.
In order to achieve the purpose, the technical scheme of the invention is as follows: the device and the system for detecting the working environment of the pumping unit in the technology of the Internet of things comprise a pumping unit body, an instruction mechanism and an execution mechanism, the actuating mechanism comprises an adjusting device positioned between the balance weight and the motor, the motor is provided with an input gear, the adjusting device comprises a tripod, a rotating shaft, a driven wheel, an output gear, a transition wheel and a reversing swing assembly, the tripod comprises a frame body and a supporting rod, the supporting rod is positioned at three vertexes of the tripod, the surface of the supporting rod is sleeved with the transition wheel, the gear ratios between any transition wheel and the input gear are different, and a first ball bearing is arranged between the transition wheel and the support rod, the transition wheel is meshed between the driven wheel and the input gear, the driven wheel is connected with an output gear for outputting power to the pumping unit body through a rotating shaft, and one side of the tripod far away from the driven wheel is connected with a reversing swinging assembly for the rotation of the tripod.
After the scheme is adopted, the following beneficial effects are realized: compared with the pumping unit adopting the prior driving technology, the torque output change is carried out by utilizing the rotation process of the tripod in the technical scheme so as to adapt to different working environments, the principle of the torque change is as follows, three vertexes of the tripod are respectively connected with transition wheels with different tooth numbers, when a command mechanism sends a command to the reversing swinging assembly, the tripod rotates, and the transition wheels between the input gear and the driven gear change at the moment so as to adapt to different working environments and instantaneously change the stroke frequency.
Furthermore, the reversing swing assembly comprises a diamond disc, a rocker arm, a connecting rod, a sliding block, a cooperative motor and a sliding groove, a plurality of U-shaped grooves are formed in the circumferential direction of the diamond disc, the diamond disc is located behind the tripod, a reversing shaft penetrates through the center of the diamond disc, a shaft connector is connected between the reversing shaft and the rotating shaft, a first needle bearing is connected at the position where the shaft connector coincides with the rotating shaft, a second needle bearing is connected at the position where the shaft connector coincides with the reversing shaft, the reversing shaft penetrates through the diamond disc, a second ball bearing is connected between the reversing shaft and the diamond disc, and the rocker arm is located behind the diamond disc.
Has the advantages that: compared with the prior art adopting dynamic cut-in, the technical scheme utilizes unidirectional rotation to convert power input, thereby reducing complex instructions and arrangement of impurity settling executive parts, saving volume and realizing small volume and reducing maintenance possibility.
Further, the driven wheel is internally tangent to the tripod and is connected to the center of the tripod through a rotating shaft.
Has the advantages that: compared with the prior art adopting variable-speed meshing, the technical scheme has the advantages that the triangle is internally tangent with the driven wheel, so that the power transmission path is the driving wheel, the transition wheel, the driven wheel and the output gear, and the rest transition wheels are pre-rotated under the driving of the driven wheel, so that the friction and impact caused by the new transition wheel and the driving wheel during transition steering are reduced.
Furthermore, the U-shaped grooves surround the surface of the rhombic disc to form a circular matrix.
Further, the rocker arm comprises an output arm and an input tooth which are integrally manufactured, the output arm is connected to the center of the connecting rod, the input tooth is connected to the reversing shaft, one end of the connecting rod is provided with a poking pin, the poking pin is in contact with the U-shaped groove in the motion stroke, the other end of the connecting rod is provided with a sliding block, the sliding block is connected to the sliding groove in a sliding mode, and one end, far away from the input tooth, of the reversing shaft is connected to the cooperative motor.
Has the advantages that: when the engaged transition gear is reversed, the cooperative motor receives a rotation instruction, so that the reversing shaft tends to rotate, the reversing shaft in the rotating process causes the input gear to drive the output arm to rotate, the output arm drives the connecting rod to do circular motion, the connecting rod in the circular motion is limited by the sliding block and the sliding groove to make the connecting rod perform differentiated motion, the shifting pin of the connecting rod performs circular motion, one side of the connecting rod connected with the sliding block performs linear motion, the displacement distance of the linear motion and the circular motion is equal to the diameter of the circular motion, the rotation stroke of the shifting pin is brought into a coordinate axis for explanation, the coincidence position of the farthest ends of the shifting pin and the U-shaped groove is taken as an origin of the coordinate axis, the horizontal radius of the rotation of the shifting pin is L, the vertical radius of the rotation of the shifting pin is R, when the shifting pin rotates to-R, the shifting pin is separated from being in contact with the diamond disc, and then the shifting pin moves to-R, the half turn of disengagement is now complete.
When the toggle pin returns, the toggle pin rotates from a position-R to a position R, the horizontal distance firstly enters a U-shaped groove from a position-L to an original point, then the toggle pin drives the diamond disc to rotate to the position R through the U-shaped groove, the diamond disc completes half-circle rotation, the diamond disc in the rotation process drives the coaxially connected tripod to change direction, and the tripod in the change direction replaces a transition wheel meshed with the input gear.
Further, the gear ratios of the transition gear and the input gear are respectively as follows: 1: 1, 2: 1 and 1: 2, and dividing the transition wheel into a flat moment gear, a moment increasing gear and a moment decreasing gear according to the gear ratio.
Has the advantages that: realize the gear wheel through different tooth ratios and drive the pinion, wait tooth meshing or pinion drive the gear wheel, realize the change of rotational speed and transmission moment to match the pumping unit during operation because the environmental change that hydraulic pressure in the oil well changes and lead to, be convenient for accelerate oil pumping speed in order to raise the efficiency in hydraulic pressure hour, when hydraulic pressure is big, promote the single oil pumping volume of promoting when the moment of promoting the oil pumping protects the pumping unit, keep normality work when normal pressure, reduce mechanical break-in.
The pressure sensor, the first positioner, the second positioner and the third positioner are electrically connected to the processing module, and the processing module is internally provided with a signal output module, a signal input module, an angle calculation module and a signal conversion module.
Has the advantages that: this technical scheme utilizes pressure sensors to survey the operational environment of beam-pumping unit to carry out operating mode adjustment arrangement based on this, the locator feeds back position relation wherein to processing module this moment, and uses processing module's instruction as the basis this moment, confirms the turning to of coordination motor, with the realization quick replacement moment transmission mode, need middle process moment-increasing gear when avoiding transitioning to the moment-reducing gear from the flat moment gear, the influence of operating mode to operational environment when reducing the transition.
Further, the signal input module is used for receiving a signal a transmitted by the pressure sensor and a position relation b of the first positioner, the second positioner and the third positioner, the calculation module is used for calculating an angle difference value c between transition wheels, and the angle difference value c is transmitted to the signal output module through the signal conversion module so as to control rotation of the cooperative motor.
Has the advantages that: the rotation direction of the coordination motor is determined through the position relation, and the size of the rotating arc is determined through the angle difference.
The system further comprises a Bluetooth module, wherein the Bluetooth module is in signal connection with a server, and signal data and a storage log are generated in the server.
Has the advantages that: the remote monitoring and the underground environment condition judgment according to the log are facilitated.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a block diagram of the adjustment device of FIG. 1;
fig. 3 is a diagram of the engagement relationship in fig. 2.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the pumping unit comprises a pumping unit body 1, a balance weight 2, a motor 3, an input gear 4, an adjusting device 5, a tripod 501, a support rod 502, a driven wheel 503, an output gear 504, a transition wheel 505, a reversing swing assembly 6, a diamond disc 601, a rocker arm 602, a connecting rod 603, a sliding block 604, a cooperative motor 605, a sliding groove 606, a U-shaped groove 606, a reversing shaft 7, a shaft connector 8 and a toggle pin 9.
Example one
The embodiment is basically as shown in the attached figure 1: the pumping unit operational environment detection device of internet of things technology includes pumping unit body 1, still include instruction mechanism and actuating mechanism, actuating mechanism is including being located adjusting device 5 between balanced 2 and the motor 3, motor 3 has input gear 4, adjusting device 5 includes tripod 501, follow driving wheel 503, output gear 504, cross ferryboat 505 and switching-over swing subassembly 6, tripod 501 includes support body and branch 502, branch 502 is located the three apex of tripod 501, ferryboat 505 is cup jointed on the branch 502 surface, the gear ratio of crossing ferryboat 505 and input gear 4 is respectively: 1: 1, 2: 1 and 1: 2, and the transition wheel 505 is divided into a flat moment gear, a moment increasing gear and a moment decreasing gear according to the gear ratio.
Referring to fig. 2 and fig. 3, a first ball bearing is arranged between a transition wheel 505 and a strut 502, a driven wheel 503 is engaged with the transition wheel 505 between the input gear 4 and the driven wheel 503, the driven wheel 503 is internally tangent to a tripod 501, the driven wheel 503 is connected to the center of the tripod 501 through a rotating shaft, the driven wheel 503 is coaxially connected with an output gear 504 for outputting power to the pumping unit body 1, and one side of the tripod 501, which is far away from the driven wheel 503, is connected with a reversing swing assembly 6 for the rotation of the tripod 501.
The reversing swing assembly 6 comprises a diamond disc 601, a rocker arm 602, a connecting rod 603, a sliding block 604, a cooperative motor 605 and a sliding groove 606, wherein a plurality of UU-shaped grooves 606 are formed in the circumferential direction of the diamond disc 601, the UU-shaped grooves 606 surround the surface of the diamond disc 601 to form a circular matrix, the diamond disc 601 is positioned behind the tripod 501, a reversing shaft 7 penetrates through the center of the diamond disc 601, a shaft connector 8 is connected between the reversing shaft 7 and the rotating shaft, a first needle bearing is connected at the overlapping position of the shaft connector 8 and the rotating shaft, a second needle bearing is connected at the overlapping position of the shaft connector 8 and the reversing shaft 7, the reversing shaft 7 penetrates through the diamond disc 601, a second ball bearing is connected between the reversing shaft 7 and the diamond disc 601, and the rocker arm 602 is positioned behind the diamond disc 601.
The rocker arm 602 comprises an output arm and an input tooth which are integrally manufactured, the output arm is connected to the center of a connecting rod 603, the input tooth is connected to a reversing shaft 7, one end of the connecting rod 603 is provided with a toggle pin 9, the toggle pin 9 contacts a U-shaped groove in the motion stroke, the other end of the connecting rod 603 is provided with a sliding block 604, the sliding block 604 is slidably connected to a sliding groove 606, one end of the reversing shaft 7, which is far away from the input tooth, is connected to a cooperative motor 605
The specific implementation process is as follows: the moment output change is carried out by utilizing the rotation process of the tripod 501 so as to adapt to different working environments, the principle of the moment change is as follows, three vertexes of the tripod 501 are respectively connected with transition wheels 505 with different tooth numbers, when a command mechanism sends a command to the reversing swinging assembly 6, the tripod 501 rotates, and at the moment, the transition wheels 505 between the input gear 4 and the driven wheel 503 change so as to adapt to different working environments.
When the engaged transition gear is reversed, the cooperative motor 605 in the technical scheme receives a rotation command, so that the reversing shaft 7 tends to rotate, the reversing shaft 7 in the rotating process causes the input gear to drive the output arm to rotate, the output arm drives the connecting rod 603 to perform circular motion, the connecting rod 603 in the circular motion is limited by the sliding block 604 and the sliding groove 606 to perform differentiated motion, the toggle pin 9 of the connecting rod 603 performs circular motion, and one side of the connecting rod 603 connected to the sliding block 604 performs linear motion.
The displacement distance of the linear motion and the circular motion is equal to the diameter of the circular motion, the rotating stroke of the toggle pin 9 is brought into a coordinate axis for explanation, the coincident position of the toggle pin 9 and the farthest end of the U-shaped groove is taken as an origin of the coordinate axis, the rotating horizontal radius of the toggle pin 9 is L, the rotating vertical radius of the toggle pin 9 is R, when the toggle pin 9 rotates to-R, the toggle pin 9 is separated from the diamond plate 601, then the toggle pin 9 is transferred to-R, and the separated half-turn rotation is completed.
When the toggle pin 9 returns, the toggle pin rotates from a position-R to a position R, at the moment, the horizontal distance firstly enters a U-shaped groove from a position-L to an original point, then the toggle pin 9 drives the diamond disc 601 to rotate to the position R through the U-shaped groove, at the moment, the diamond disc 601 completes half-circle rotation, the diamond disc 601 in the rotation process drives the tripod 501 which is coaxially connected to change the direction, and at the moment, the tripod 501 in the change direction replaces the transition wheel 505 which is meshed with the input gear 4.
Realize the gear wheel through different tooth ratios and drive the pinion, wait tooth meshing or pinion drive the gear wheel, realize the change of rotational speed and transmission moment to match the pumping unit during operation because the environmental change that hydraulic pressure in the oil well changes and lead to, be convenient for accelerate oil pumping speed in order to raise the efficiency in hydraulic pressure hour, when hydraulic pressure is big, promote the single oil pumping volume of promoting when the moment of promoting the oil pumping protects the pumping unit, keep normality work when normal pressure, reduce mechanical break-in.
In the rotation process, because the triangle is internally tangent to the driven wheel 503, the power transmission path is the driving wheel, the transition wheel 505, the driven wheel 503 and the output gear 504, and the rest transition wheels 505 are pre-rotated under the driving of the driven wheel 503, so that the friction and impact caused by the new transition wheel 505 and the driving wheel during transition steering are reduced.
Example two
The difference between the embodiment and the above embodiment is that the pumping unit working environment detection system that discloses internet of things technology further includes a pressure sensor at the lifting rope of the pumping unit, a first positioner at the parallel-moment gear, a second positioner at the moment-increasing gear and a third positioner at the moment-reducing gear, the pressure sensor, the first positioner, the second positioner and the third positioner are all electrically connected to a processing module, and the processing module is internally provided with a signal output module, a signal input module, an angle calculation module and a signal conversion module.
The signal input module is used for receiving a signal a transmitted by the pressure sensor and a position relation b of the first positioner, the second positioner and the third positioner, and the calculation module is used for calculating an angle difference value c between the transition wheels 505, and at the moment, the angle difference value c is transmitted to the signal output module through the signal conversion module to control the rotation of the cooperative motor 605.
The Bluetooth device also comprises a Bluetooth module, wherein the Bluetooth module is in signal connection with a server, and signal data and a storage log are generated in the server.
EXAMPLE III
The difference between the present embodiment and the above embodiments is that a photovoltaic panel is laid on the surface of the cooperative motor 605, which facilitates the generation of electricity by using solar energy.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (9)

1. Pumping unit operational environment detection device of internet of things, including the pumping unit body, its characterized in that: still include instruction mechanism and actuating mechanism, actuating mechanism is including being located the adjusting device between balanced heavy and the motor, the motor has input gear, adjusting device includes the tripod, the axis of rotation, from the driving wheel, output gear, cross ferryboat and switching-over swing subassembly, the tripod includes support body and branch, branch is located the three apex of tripod, the ferryboat is cup jointed on the branch surface, the gear ratio between ferryboat and the input gear is all different wantonly to cross, and it has first ball bearing to cross between ferryboat and the branch, mesh the ferryboat from driving wheel and input gear, be used for the output gear to beam-pumping unit body power output through the rotation axis connection from the driving wheel, the switching-over swing subassembly that is used for the tripod rotation is connected to one side that the tripod kept away from the driving wheel.
2. The device for detecting the working environment of the pumping unit based on the internet of things technology according to claim 1, wherein: the reversing swing assembly comprises a diamond disc, a rocker arm, a connecting rod, a sliding block, a cooperative motor and a sliding groove, a plurality of U-shaped grooves are formed in the circumferential direction of the diamond disc, the diamond disc is located behind the tripod, a reversing shaft penetrates through the center of the diamond disc, a shaft connector is connected between the reversing shaft and the rotating shaft, a first needle bearing is connected at the position where the shaft connector coincides with the rotating shaft, a second needle bearing is connected at the position where the shaft connector coincides with the reversing shaft, the reversing shaft penetrates through the diamond disc, a second ball bearing is connected between the reversing shaft and the diamond disc, and the rocker arm is located behind the diamond disc.
3. The device for detecting the working environment of the pumping unit based on the internet of things technology according to claim 1, wherein: the driven wheel is internally tangent to the tripod and is connected to the center of the tripod through a rotating shaft.
4. The device for detecting the working environment of the pumping unit based on the internet of things technology of claim 2, wherein: the U-shaped grooves surround the surface of the rhombic disc to form a circular matrix.
5. The device for detecting the working environment of the pumping unit based on the internet of things technology according to claim 4, wherein: the rocker arm comprises an output arm and an input tooth which are integrally manufactured, the output arm is connected to the center of a connecting rod, the input tooth is connected to a reversing shaft, one end of the connecting rod is provided with a poking pin, the poking pin is in contact with a U-shaped groove in the motion stroke, the other end of the connecting rod is provided with a sliding block, the sliding block is connected to the sliding groove in a sliding mode, and one end, far away from the input tooth, of the reversing shaft is connected to a cooperative motor.
6. The device for detecting the working environment of the pumping unit based on the internet of things technology according to claim 1, wherein: the gear ratio of the transition gear to the input gear is respectively as follows: 1: 1, 2: 1 and 1: 2, and dividing the transition wheel into a flat moment gear, a moment increasing gear and a moment decreasing gear according to the gear ratio.
7. The system for detecting the working environment of the pumping unit based on the internet of things technology of claim 6, wherein: the hydraulic oil pumping unit is characterized by further comprising a pressure sensor at the position of a lifting rope of the oil pumping unit, a first positioner at the position of the parallel moment gear, a second positioner at the position of the moment-increasing gear and a third positioner at the position of the moment-reducing gear, wherein the pressure sensor, the first positioner, the second positioner and the third positioner are electrically connected to a processing module, and a signal output module, a signal input module, an angle calculation module and a signal conversion module are arranged in the processing module.
8. The system for detecting the working environment of the pumping unit based on the internet of things technology of claim 7, wherein: the signal input module is used for receiving a signal a transmitted by the pressure sensor and the position relation b of the first positioner, the second positioner and the third positioner, the calculation module is used for calculating an angle difference value c between transition wheels, and the angle difference value c is transmitted to the signal output module through the signal conversion module so as to control the rotation of the cooperative motor.
9. The system for detecting the working environment of the pumping unit based on the internet of things technology of claim 8, wherein: the Bluetooth device also comprises a Bluetooth module, wherein the Bluetooth module is in signal connection with a server, and signal data and a storage log are generated in the server.
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