CN215889990U - Top drive oil pumping machine - Google Patents
Top drive oil pumping machine Download PDFInfo
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- CN215889990U CN215889990U CN202220144399.0U CN202220144399U CN215889990U CN 215889990 U CN215889990 U CN 215889990U CN 202220144399 U CN202220144399 U CN 202220144399U CN 215889990 U CN215889990 U CN 215889990U
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- travel switch
- pumping unit
- driving wheel
- conveyor belt
- top drive
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Abstract
The utility model provides a top drive oil pumping unit, which relates to the technical field of oil exploitation and comprises a rack, a double-shaft extension motor, a first driving wheel, a second driving wheel, a first conveying belt, a second conveying belt, a rope hanger and a balance weight; the double-shaft extension motor comprises a motor body and a power output shaft; two ends of the power output shaft extend out of the motor body; the first driving wheel and the second driving wheel are respectively and fixedly arranged at two ends of the power output shaft; the first conveyor belt and the second conveyor belt are arranged in parallel; the middle of the first conveyor belt bypasses the first driving wheel, and two ends of the first conveyor belt are respectively connected with the rope hanger and the balance weight; the middle of the second conveying belt bypasses the second driving wheel, and two ends of the second conveying belt are respectively connected with the rope hanger and the balance weight. The utility model has the advantages of simple transmission, small occupied space, light weight, simple structure, no wearing parts, low maintenance cost, high system efficiency, convenient parameter adjustment, remote monitoring and parameter adjustment, and the like.
Description
Technical Field
The utility model relates to the technical field of oil exploitation, in particular to a top drive oil pumping unit.
Background
The pumping units used for oil extraction in the current oil field mainly comprise a beam pumping unit and a non-beam pumping unit. The beam-pumping unit has the problems of long mechanical transmission chain, low efficiency, large power consumption, large mechanical maintenance workload, heavy mechanical equipment weight and the like; the walking-beam-free pumping unit mainly comprises a chain pumping unit, a motor reversing type pumping unit, an electric roller pumping unit and the like, wherein a power system of the walking-beam-free pumping unit is generally installed on a platform at the top of a frame and comprises a motor, a coupler, a speed reducer, a chain wheel, a rope wheel or a belt wheel, two ends of the chain wheel, the rope wheel or the belt wheel are respectively connected with a rope hanger and a counterweight device, and the walking-beam-free pumping unit is mainly characterized in that the power system is installed at a high place, power is transmitted in multiple stages, energy loss is large, and the maintenance work and the overhaul work load are large and inconvenient.
And, current motor drive's beam-pumping unit, structural configuration is unreasonable, and the atress is uneven to lead to the use loss too fast easily, reduced life, increase the maintenance cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a top drive oil pumping unit to solve at least one technical problem in the prior art.
In order to solve the technical problem, the utility model provides a top drive oil pumping unit, which comprises: the device comprises a rack, a double-shaft extension motor, a first driving wheel, a second driving wheel, a first conveyor belt, a second conveyor belt, a rope hanger and a balance weight;
the double-shaft extension motor is arranged on a top platform of the rack;
the double-shaft extension motor comprises a motor body and a power output shaft; two ends of the power output shaft extend out of the motor body;
the first driving wheel and the second driving wheel are respectively and fixedly arranged at two ends of the power output shaft;
the first conveyor belt and the second conveyor belt are arranged in parallel;
the middle of the first conveyor belt bypasses the first driving wheel, and two ends of the first conveyor belt are respectively connected with the rope hanger and the balance weight;
and the middle of the second conveying belt bypasses the second driving wheel, and two ends of the second conveying belt are respectively connected with the rope hanger and the balance weight.
This application is through adopting the biax to stretch the motor to and the transmission structure that bilateral symmetry set up, thereby make whole drive structure more reasonable, the atress is more balanced, thereby has reduced whole actuating mechanism's loss speed, and whole mechanism life is longer, and the maintenance cost is lower.
Furthermore, the device also comprises an upper travel switch, a lower travel switch and a controller;
the upper travel switch and the lower travel switch are respectively arranged at the upper end and the lower end of a moving path of the counterweight; and the controller is respectively connected with the upper travel switch, the lower travel switch and the double-shaft extension motor and is used for controlling the travel limitation and the reciprocating motion of the balance weight and the rope hanger.
Wherein said defining and controlling the stroke of said counterweight and said rope hanger comprises: when the counterweight moves to the upper travel switch or the lower travel switch, the upper travel switch or the lower travel switch is triggered, or the upper travel switch or the lower travel switch senses that the counterweight moves to the set limit position, the upper travel switch or the lower travel switch feeds back signals to the controller, and the controller changes the rotation direction of the double-shaft extension motor according to the feedback signals, so that the lifting and falling actions of the rope hanger are automatically realized.
Further, the upper travel switch or the lower travel switch is a direct-acting travel switch, a roller-type travel switch or a microswitch-type travel switch.
Further, the upper travel switch or the lower travel switch is a photoelectric switch. The photoelectric switch does not need to be in contact with the balance weight, and when the balance weight moves to the photoelectric switch position, the photoelectric switch is triggered to act due to the fact that the light path is shielded.
Furthermore, the rack is provided with a sliding groove or a sliding rail along the height direction, the balance weight is provided with a sliding block matched with the sliding groove or the sliding rail, and the upper travel switch or the lower travel switch is arranged at the upper end and the lower end of the sliding groove or the sliding rail.
Further, the upper travel switch or the lower travel switch is arranged on the rack in a position-adjustable manner.
Further, the conveying belt is a synchronous belt, a flexible rope, a steel wire rope or a transmission chain and the like; the driving wheel is a belt wheel or a chain wheel and the like.
Further, still include the base, the frame sets up on the base.
Further, the multifunctional climbing device further comprises a climbing ladder used for a person to climb on the platform at the top of the rack.
Further, the double-shaft extension motor is a double-shaft extension permanent magnet motor.
Wherein, the controller is arranged in a control cabinet beside the rack.
By adopting the technical scheme, the utility model has the following beneficial effects:
the top-drive oil pumping unit provided by the utility model has the advantages that a speed reduction structure and intermediate transmission equipment are not required to be arranged, the rope hanger and the balance weight are directly hung on the transmission shaft of the motor, and the top-drive oil pumping unit has the advantages of simple transmission, small occupied space, light weight, simple structure, no easily-damaged part, low maintenance cost, high system efficiency, convenience in parameter adjustment, capability of remote monitoring and parameter adjustment and the like.
The double-shaft extension motor has the automatic load-losing braking function and the reliable power-off braking function, and when the pumping unit is overloaded or the power supply is cut off, the double-shaft extension motor automatically brakes, all the up-and-down reciprocating motion parts are quickly stopped at the instant position, and the double-shaft extension motor cannot move without manual operation. And the transmission stage number is reduced to the minimum by adopting belt wheel transmission, the transmission rate is improved, the transmission route from the rotation of the motor to the linear reciprocating motion of the driving sucker rod string becomes simple, the number of parts is small, the weight of the oil pumping unit is light, and the daily maintenance is not needed. The upper stroke speed, the lower stroke speed and the reversing duration of the double-shaft extension motor are respectively controllable, can be adjusted according to requirements through a control panel of the control cabinet, and can display the motion state of the pumping unit in real time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a front view of a top drive pumping unit according to an embodiment of the present invention;
FIG. 2 is a left side view of the top drive pumping unit shown in FIG. 1;
FIG. 3 is a right side view of the top drive pumping unit shown in FIG. 1;
fig. 4 is a partial structural schematic view of the motor.
Reference numerals:
10-a frame; 11-a base; 12-a guardrail; 13-climbing a ladder; 20-a double-shaft extension motor; 21-upper travel switch; 22-a lower travel switch; 23-a control cabinet; 24-a first drive wheel; 25-a second transmission wheel; 31-a first conveyor belt; 32-a second conveyor belt; 40-a counterweight; 50-rope suspension device.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be further explained with reference to specific embodiments.
As shown in fig. 1 to 4, the top drive pumping unit provided in this embodiment includes: the device comprises a frame 10, a double-shaft extension motor 20, a first driving wheel 24, a second driving wheel 25, a first conveyor belt 31, a second conveyor belt 32, a rope hanger 50 and a balance weight 40 (also called a weight box);
the double-shaft extension motor 20 is arranged on a top platform of the frame 10; guard rails 12 are arranged around the platform.
The double-shaft extension motor 20 comprises a motor body and a power output shaft; two ends of the power output shaft extend out of the motor body;
the first transmission wheel 24 and the second transmission wheel 25 are respectively and fixedly arranged at two ends of the power output shaft;
the first conveyor belt 31 and the second conveyor belt 32 are arranged in parallel;
the middle of the first conveyor belt 31 bypasses the first drive wheel 24, and the two ends of the first conveyor belt are respectively connected with the rope hanger 50 and the balance weight 40;
the second conveyor belt 32 bypasses the second driving wheel 25, and both ends of the second conveyor belt are respectively connected with the rope hanger 50 and the balance weight 40.
This application is through adopting the biax to stretch motor 20 to and the transmission structure that bilateral symmetry set up, thereby make whole drive structure more reasonable, the atress is more balanced, thereby has reduced whole actuating mechanism's loss speed, and whole mechanism life is longer, and the maintenance cost is lower.
More preferably, the present embodiment further includes an upper travel switch 21, a lower travel switch 22, a controller (not shown); the upper travel switch 21 and the lower travel switch 22 are respectively arranged at the upper end and the lower end of the moving path of the counterweight 40; a controller is connected to the upper travel switch 21, the lower travel switch 22 and the dual-axis extension motor 20 for controlling the stroke limitation and the reciprocating movement of the counterweight 40 and the rope hanger 50, respectively.
Wherein the limiting and controlling of the stroke of the counterweight 40 and the rope hanger 50 comprises: when the counterweight 40 moves to the upper travel switch 21 or the lower travel switch 22, the upper travel switch 21 or the lower travel switch 22 is triggered, or the two senses that the counterweight 40 moves to the set limit position, the upper travel switch 21 or the lower travel switch 22 feeds back a signal to the controller, and the controller changes the rotation direction of the double-shaft extension motor 20 according to the feedback signal, so that the lifting and falling actions of the rope hanger 50 are automatically realized.
The upper travel switch 21 or the lower travel switch 22 is a direct-acting travel switch, a roller-type travel switch or a microswitch-type travel switch. Alternatively, the upper travel switch 21 or the lower travel switch 22 is a photoelectric switch. The photoelectric switch does not need to be in contact with the counterweight 40, and when the counterweight 40 moves to the photoelectric switch position, the photoelectric switch is triggered by blocking the light path.
On the basis of the above technical solution, optionally, the rack 10 is provided with a sliding groove or a sliding rail along the height direction, the counterweight 40 is provided with a sliding block adapted to the sliding groove or the sliding rail, and the upper travel switch 21 or the lower travel switch 22 is arranged at the upper end and the lower end of the sliding groove or the sliding rail.
And the upper travel switch 21 or the lower travel switch 22 is arranged on the frame 10 in a position-adjustable manner. Thereby adjusting the stroke of the oil pumping unit.
Among these, there are many forms of conveyor belts, such as timing belts, flexible ropes, steel cords, etc.
And the frame 10 is disposed on the base 11. A ladder 13 is arranged on one side of the frame 10 and is used for people to climb on the platform on the top of the frame 10.
The biaxial stretching motor 20 is preferably a biaxial stretching permanent magnet motor. The controller is arranged in a control cabinet 23 beside the frame 10.
The utility model has the advantages of simple transmission, small occupied space, light weight, simple structure, no wearing parts, low maintenance cost, high system efficiency, convenient parameter adjustment, remote monitoring and parameter adjustment, and the like.
The double-shaft extension motor 20 has the automatic load-losing braking function and the reliable power-off braking function, when the pumping unit is overloaded or the power supply is cut off, the double-shaft extension motor 20 automatically brakes, all up-and-down reciprocating motion parts are rapidly stopped at the instant position, and the double-shaft extension motor cannot move without manual operation. And the transmission stage number is reduced to the minimum by adopting belt wheel transmission, the transmission rate is improved, the transmission route from the rotation of the motor to the linear reciprocating motion of the driving sucker rod string becomes simple, the number of parts is small, the weight of the oil pumping unit is light, and the daily maintenance is not needed. The upper stroke speed, the lower stroke speed and the reversing duration of the double-shaft extension motor 20 are respectively controllable, can be adjusted according to requirements through a control panel of the control cabinet, and can display the motion state of the pumping unit in real time.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A top drive pumping unit, comprising: the device comprises a rack, a rope hanger and a balance weight, and is characterized by further comprising a double-shaft extension motor, a first driving wheel, a second driving wheel, a first conveyor belt and a second conveyor belt;
the double-shaft extension motor is arranged on a top platform of the rack;
the double-shaft extension motor comprises a motor body and a power output shaft; two ends of the power output shaft extend out of the motor body;
the first driving wheel and the second driving wheel are respectively and fixedly arranged at two ends of the power output shaft;
the first conveyor belt and the second conveyor belt are arranged in parallel;
the middle of the first conveyor belt bypasses the first driving wheel, and two ends of the first conveyor belt are respectively connected with the rope hanger and the balance weight;
and the middle of the second conveying belt bypasses the second driving wheel, and two ends of the second conveying belt are respectively connected with the rope hanger and the balance weight.
2. The top drive pumping unit of claim 1, further comprising an upper travel switch, a lower travel switch, and a controller;
the upper travel switch and the lower travel switch are respectively arranged at the upper end and the lower end of a moving path of the counterweight; and the controller is respectively connected with the upper travel switch, the lower travel switch and the double-shaft extension motor and is used for controlling the travel limitation and the reciprocating motion of the balance weight and the rope hanger.
3. A top drive pumping unit as defined in claim 2, wherein the upper or lower travel switch is a direct acting travel switch, a roller travel switch or a microswitch travel switch.
4. The top drive pumping unit of claim 2, wherein the up or down travel switch is a photoelectric switch.
5. The top-drive pumping unit of claim 2, wherein the frame is provided with a sliding groove or a sliding rail along the height direction, the counterweight is provided with a sliding block matched with the sliding groove or the sliding rail, and the upper travel switch or the lower travel switch is arranged at the upper end and the lower end of the sliding groove or the sliding rail.
6. The top drive pumping unit of claim 2, wherein the upper or lower travel switch is adjustably positionable on the frame.
7. The top drive pumping unit of claim 1, wherein the conveyor belt is a synchronous belt, a flexible rope, a wire rope, or a drive chain; the driving wheel is a belt wheel or a chain wheel.
8. The top drive pumping unit of claim 1, further comprising a ladder for personnel to climb onto the frame top platform.
9. The top drive pumping unit of claim 1, wherein the dual-shaft extension motor is a dual-shaft extension permanent magnet motor.
10. The top drive pumping unit of claim 2, wherein the controller is disposed in a control cabinet beside the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220144399.0U CN215889990U (en) | 2022-01-20 | 2022-01-20 | Top drive oil pumping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220144399.0U CN215889990U (en) | 2022-01-20 | 2022-01-20 | Top drive oil pumping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215889990U true CN215889990U (en) | 2022-02-22 |
Family
ID=80251348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220144399.0U Active CN215889990U (en) | 2022-01-20 | 2022-01-20 | Top drive oil pumping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215889990U (en) |
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2022
- 2022-01-20 CN CN202220144399.0U patent/CN215889990U/en active Active
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