CN112112607A - Vertical pulley block dynamic balance oil pumping unit - Google Patents
Vertical pulley block dynamic balance oil pumping unit Download PDFInfo
- Publication number
- CN112112607A CN112112607A CN202011071977.4A CN202011071977A CN112112607A CN 112112607 A CN112112607 A CN 112112607A CN 202011071977 A CN202011071977 A CN 202011071977A CN 112112607 A CN112112607 A CN 112112607A
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- Prior art keywords
- steel wire
- wire rope
- balance
- controller
- sensor
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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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
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- 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
- F04B47/145—Counterbalancing with fluid means
Abstract
The invention discloses a vertical pulley block dynamic balance pumping unit, wherein the vertical pulley block dynamic balance pumping unit comprises: the device comprises a tower, a steel wire rope, a hanger, a generator and a balance mechanism. One end of the steel wire rope is connected with one side of the tower, and the other end of the steel wire rope is connected with the balance mechanism from the top of the tower. The hanger is movably connected to the steel wire rope on one side of the tower and is connected with the sucker rod. The balance mechanism is used for driving the steel wire rope and the hanger to move, and the hanger is used for driving the sucker rod to move. The problem that the energy consumption is large due to the fact that the speed of a gearbox needs to be changed to drive the pumping unit to move by a motor in the whole pumping process of an existing pumping unit is solved.
Description
Technical Field
The invention relates to the field of oil extraction engineering, in particular to a vertical pulley block dynamic balance oil pumping unit.
Background
At present, most of pumping units applied to oil fields are powered directly by a motor, and the pumping units are driven by a speed changing box to drive a pumping rod to move up and down for pumping oil, so that the energy consumption is high.
Disclosure of Invention
In view of the above, the invention provides a vertical pulley block dynamic balance pumping unit, which solves the problem that the energy consumption is large because the pumping unit is driven to move by a motor to drive a gearbox to change speed in the whole pumping process of the existing pumping unit.
The invention provides a vertical pulley block dynamic balance oil pumping unit, which comprises: the device comprises a tower, a steel wire rope, a hanger, a generator and a balance mechanism;
one end of the steel wire rope is connected with one side of the tower, and the other end of the steel wire rope is connected with the balance mechanism from the top of the tower;
the hanger is movably connected to the steel wire rope on one side of the tower and is connected with the sucker rod;
the balance mechanism is used for driving the steel wire rope and the hanger to move, and the hanger is used for driving the sucker rod to move;
the generator is fixed on the tower and connected with the steel wire rope, the steel wire rope drives the generator to move, the generator is connected with the balance mechanism through a circuit, and the generator is used for generating electricity and transmitting electric energy to the balance mechanism.
Preferably, the method further comprises the following steps: a controller;
the controller is connected with the balance mechanism and used for controlling the balance mechanism to move.
Preferably, the balancing mechanism comprises: a balance box and a pump box;
the top of the balance box is connected with the other end of the steel wire rope;
the pump box and the balance box are respectively connected with a liquid inlet pipe through a liquid outlet pipe;
the pump box is connected with an oil pipe;
the controller is connected with the pump box and is also used for controlling the pump box to be started or closed.
Preferably, the method further comprises the following steps: a balancing box limiter;
the balance box limiter is arranged on the tower, and the controller is connected with the balance box limiter;
the balance box limiting device is used for detecting the position of the balance box and transmitting the position data to the controller.
Preferably, the balance box stopper includes: a first sensor and a second sensor;
the first sensor and the second sensor are mounted on the tower, and the controller is respectively connected with the first sensor and the second sensor;
the first sensor and the second sensor are used for detecting the position of the balancing box and transmitting the position data to the controller.
Preferably, the method further comprises the following steps: a brake mechanism;
the brake mechanism is arranged on the tower and connected with the steel wire rope, and the brake mechanism is used for fixing the steel wire rope to stop the steel wire rope;
the brake mechanism is connected with the controller, and the controller is also used for controlling the brake mechanism to be started or closed.
Preferably, the brake mechanism includes: a steel wire rope brake and a brake limiter;
the steel wire rope brake is connected with the steel wire rope;
the controller is respectively connected with the steel wire rope brake and the brake limiter through lines;
the brake limiter is installed on the tower and used for detecting the position of the hanger and transmitting the position to the controller.
Preferably, the brake limiter comprises: a third sensor and a fourth sensor;
the third sensor and the fourth sensor are mounted on the tower, and the controller is respectively connected with the third sensor and the fourth sensor;
the third sensor and the fourth sensor are used for detecting the position of the hanger and transmitting position data to the controller.
Preferably, the method further comprises the following steps: a pulley block;
the pulley block is arranged at the top of the tower;
the other end of the steel wire rope penetrates through a groove in the pulley block at the top of the tower to be connected with the balance mechanism.
Preferably, the hanger comprises: a movable pulley;
the movable pulley is movably connected to the steel wire rope;
the movable pulley is connected with the sucker rod and is used for driving the sucker rod to move.
The invention has the following beneficial effects:
the invention provides a vertical pulley block dynamic balance pumping unit, which utilizes a balance mechanism to drive a hanger and a pumping rod to move, does not need to be driven by a motor in the whole pumping process, has the characteristics of large load, long stroke, energy conservation, high efficiency and small occupied area, is suitable for being applied to a large-displacement well, a deep well, a heavy oil well, an intermittent pumping well, a special space limited environment well and the like, and solves the problem that the pumping unit is driven to move by a motor-driven gearbox in the whole pumping process of the existing pumping unit, so that the energy consumption is larger.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a vertical pulley block dynamic balance pumping unit according to an embodiment of the invention.
In the figure: 1-tower, 2-steel wire rope, 3-hanger, 4-generator, 5-controller, 6-balance box, 7-pump box, 8-oil pipe, 9-first sensor, 10-second sensor, 11-steel wire rope brake, 12-third sensor, 13-fourth sensor, 14-fixed pulley, 15-counterweight block, 16-fixed frame, 18-sucker rod, 19-liquid inlet pipe and 20-liquid outlet pipe.
Detailed Description
The present invention will be described below based on examples, but it should be noted that the present invention is not limited to these examples. In the following detailed description of the present invention, certain specific details are set forth. However, the present invention may be fully understood by those skilled in the art for those parts not described in detail.
Furthermore, those skilled in the art will appreciate that the drawings are provided solely for the purposes of illustrating the invention, features and advantages thereof, and are not necessarily drawn to scale.
Also, unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, the meaning of "includes but is not limited to".
Fig. 1 is a schematic structural diagram of a vertical pulley block dynamic balance pumping unit according to an embodiment of the invention. As shown in fig. 1, a vertical pulley block dynamic balance pumping unit comprises: the method comprises the following steps: the device comprises a tower 1, a steel wire rope 2, a hanger 3, a generator 4 and a balance mechanism. One end of the steel wire rope 2 is connected with one side of the tower frame 1, and the other end of the steel wire rope passes through the connecting balance mechanism from the top of the tower frame 1. The hanger 3 is movably connected to the steel wire rope 2 on one side of the tower frame 1, and the hanger 3 is connected with the sucker rod 18. The balance mechanism is used for driving the steel wire rope 2 and the hanger 3 to move, and the hanger 3 is used for driving the sucker rod 18 to move. The generator 4 is fixed on the tower 1, the generator 4 is connected with the steel wire rope 2, the generator 4 is connected with the balance mechanism through a circuit, and the generator 4 is used for generating electricity and transmitting electric energy to the balance mechanism.
In the embodiment of the invention, the bottom of the tower frame 1 is fixed on the ground, a fixing frame 16 is arranged on the side wall of one side of the tower frame 1 near the top, the body of the fixing frame 16 is a right triangle, one right-angle side of the fixing frame 16 is connected with the tower frame 1, one end of a steel wire rope 2 is connected with the fixing frame 16, and the other end of the steel wire rope bypasses the top of the tower frame 1 and is connected with a balance mechanism on the other side of the tower frame 1. The hanger 3 is connected to a sucker rod 18 at the wellhead.
When oil pumping is carried out, the balance mechanism on the other side of the tower frame 1 is started, when the weight of the balance mechanism is gradually increased, the other end of the steel wire rope 2 is driven to move downwards, the steel wire rope 2 on one side of the tower frame 1 moves upwards, the hanger 3 and the sucker rod 18 are driven to move upwards, the sucker rod 18 completes the upstroke, and when the weight of the balance mechanism is gradually reduced, the sucker rod 18 and the hanger 3 move downwards by utilizing the gravity and the traction force of the sucker rod 18, and the sucker rod 18 completes the downstroke. The hanger 3 can slide back and forth on the steel wire rope 2 to drive the sucker rod 18 to move upwards or downwards for pumping oil.
The generator 4 is arranged at the top of the tower frame 1, the generator 4 adopted by the invention is a three-phase generator 4, and the type is as follows: STC-24,30 KVA. The generator 4 is provided with a generator wheel which is located below the steel wire rope 2, the top of the generator wheel is in contact with the steel wire rope 2, when two ends of the steel wire rope 2 move up and down back and forth, the steel wire rope 2 located at the top of the tower frame 1 drives the generator wheel to rotate through friction force with the top of the generator wheel, the generator 4 generates electric energy, the generator 4 is connected with the balance mechanism through a circuit, the generated electric energy is transmitted to the balance mechanism, and power is supplied to the balance mechanism.
In the present invention and fig. 1, the method further includes: and a controller 5. The controller 5 is connected with the balance mechanism, and the controller 5 is used for controlling the balance mechanism to move.
In the embodiment of the present invention, the controller 5 is a PLC programmable controller 5, and a control system is loaded inside the controller 5 and used for controlling the balance mechanism to start and stop or controlling the weight of the balance mechanism to increase or decrease. When oil is pumped, the controller 5 sends a signal to the balance mechanism to control the balance mechanism to start, and the weight of the balance mechanism is increased or reduced to drive the steel wire rope 2 to reciprocate upwards or downwards, so that the sucker rod 18 is driven to move upwards or downwards to pump oil.
In the present invention and fig. 1, the balancing mechanism includes: a balancing tank 6 and a pump tank 7. The top of the balance box 6 is connected with the other end of the steel wire rope 2. The pump box 7 and the balance box 6 are respectively connected with a liquid inlet pipe 19 through a liquid outlet pipe 20. The pump box 7 is connected with an oil pipe 8. The controller 5 is connected with the pump box 7, and the controller 5 is also used for controlling the pump box 7 to be started or closed.
Wherein, the inside cavity that is of balance box 6, balancing weight 15 is installed to the bottom of balance box 6, and the weight of balancing weight 15 slightly is less than the weight when hanger 3 is static, and balancing weight 15 is used for increasing balance mechanism's weight. Oil liquid is arranged inside the oil pipe 8, the pump box 7 comprises a liquid inlet pump and a liquid outlet pump, one end of the liquid inlet pump is connected with the oil pipe 8, the other end of the liquid inlet pump is connected with the balance box 6 through a liquid inlet pipe 19, one end of the liquid outlet pump is connected with the oil pipe 8, and the other end of the liquid outlet pump is connected with the balance box 6 through a liquid outlet pipe 20. The liquid inlet pipe 19 is connected with the top of the balancing box 6, and the liquid outlet pipe 20 is connected with the bottom of the balancing box 6.
In the embodiment of the invention, when oil is pumped, the controller 5 controls the liquid inlet pump of the pump box 7 to be started, the liquid inlet pump pumps oil in the oil pipe 8 out, the oil is injected into the balance box 6 through the liquid inlet pipe 19, the weight of the balance box 6 is increased, the integral weight of the balance box 6 and the balancing weight 15 is larger than the weight of the hanger 3 and the traction force of the sucker rod 18, when the balance box 6 moves downwards due to gravity, one end of the steel wire rope 2 is driven to move downwards, the steel wire rope 2 on one side of the tower frame 1 moves upwards to drive the hanger 3 and the sucker rod 18 to move upwards, and the sucker rod 18 completes the upstroke. When the balance box 6 moves to be close to the bottom of the tower frame 1, the controller 5 controls the liquid outlet pump to pump out oil liquid in the balance box 6 through the liquid outlet pipe 20 and convey the oil liquid to the oil pipe 8, the oil liquid in the balance box 6 is pumped out, the whole weight of the balance box 6 and the balancing weight 15 is reduced, when the weight is smaller than the weight of the hanger 3 and the traction force of the sucker rod 18, the hanger 3 and the sucker rod 18 move downwards, the sucker rod 18 completes the downstroke, and the other end of the steel wire rope 2 drives the balance box 6 to move upwards. The liquid inlet pump and the liquid outlet pump are controlled by the controller 5 to inject and pump the oil liquid in the balance box 6 to drive the hanger 3 and the sucker rod 18 to move up and down continuously to pump oil.
In the present invention and fig. 1, the method further includes: balance box stopper. The balancing box limiter is arranged on the tower frame 1, and the controller 5 is connected with the balancing box limiter. The balance box limiter is used for detecting the position of the balance box 6 and transmitting the position data to the controller 5.
In the embodiment of the invention, the balancing box limiter is arranged at the other side of the tower frame 1, when the balancing box 6 moves to the other side of the tower frame 1 close to the bottom. Position data transmission that the surge tank stopper will detect gives controller 5, and controller 5 judges that surge tank 6 reaches under the predetermined surge tank 6 spacing, and control liquid pump starts, takes out the fluid in surge tank 6 through drain pipe 20, and inside input oil pipe 8. The lower limit of the balance box 6 is as follows: the balance box 6 is in position when the sucker rod 18 completes the upstroke.
When the balance box 6 moves upwards to the other side of the tower frame 1 and is close to the top, the balance box limiting stopper transmits detected position data to the controller 5, and when the controller 5 judges that the balance box 6 reaches the preset upper limit of the balance box 6, the liquid inlet pump is controlled to be started, oil in the oil pipe 8 is extracted, and the oil is conveyed to the inside of the balance box 6 through the liquid inlet pipe 19. The upper limit of the balance box 6 is as follows: the balance box 6 is in position when the sucker rod 18 completes the downstroke.
In the present invention and fig. 1, the surge tank stopper includes: a first sensor 9 and a second sensor 10. The first sensor 9 and the second sensor 10 are installed on the tower 1, and the controller 5 is respectively connected with the first sensor 9 and the second sensor 10. The first sensor 9 and the second sensor 10 are used for detecting the position of the balancing tank 6 and transmitting the position data to the controller 5.
In the embodiment of the invention, the first sensor 9 is arranged on the other side of the tower frame 1 and is positioned on the same horizontal line with the position of the upper limit of the balancing box 6, and the second sensor 10 is arranged on the other side of the tower frame 1 and is positioned on the same horizontal line with the position of the lower limit of the balancing box 6. When the balance box 6 moves to the lower limit, the first sensor 9 detects the position of the balance box 6, position data is transmitted to the controller 5, the controller 5 controls a liquid pump to start when judging that the balance box 6 is at the lower limit, a liquid outlet pump pumps oil in the balance box 6 out and conveys the oil to the oil pipe 8, when the balance box 6 moves to the upper limit, the second sensor 10 detects the position of the balance box 6, the position data is transmitted to the controller 5, the controller 5 controls a liquid inlet pump to start when judging that the balance box 6 is at the upper limit, and the liquid inlet pump pumps the oil in the oil pipe 8 out and inputs the oil into the balance box 6.
In the present invention and fig. 1, the method further includes: a brake mechanism. The brake mechanism is arranged on the tower frame 1 and connected with the steel wire rope 2, and the brake mechanism is used for fixing the steel wire rope 2 to stop the steel wire rope 2 from moving. The brake mechanism is connected with the controller 5, and the controller 5 is also used for controlling the brake mechanism to be started or closed.
In the embodiment of the invention, the brake mechanism is arranged at the top of the tower frame 1, when the oil pumping needs to be stopped emergently, the controller 5 controls the brake mechanism to be started, and the brake mechanism fixes the steel wire rope 2, so that the hanger 3 and the oil pumping rod 18 stop moving. A brake switch is installed on one side of the tower frame 1 and connected with a brake mechanism through a circuit, the brake switch can be pressed down by an operator except for controlling the emergency start of the brake mechanism through a controller 5, and when the brake switch is pressed down, a signal is sent out to control the start of the brake mechanism to fix the steel wire rope 2.
In the present invention and fig. 1, the brake mechanism includes: a wire rope brake 11 and a brake limiter. The steel wire rope brake 11 is connected with the steel wire rope 2, and the controller 5 is respectively connected with the steel wire rope brake 11 and the brake limiter through circuits. The brake stop is mounted on the tower 1 for detecting the position of the hanger 3 and transmitting it to the controller 5.
In the embodiment of the invention, the steel wire rope brake 11 is installed at the top of the tower frame 1, the steel wire rope 2 is arranged between two movable wedges in the steel wire rope brake 11, when the steel wire rope 2 needs to be braked emergently, the controller 5 controls the steel wire rope brake 11 to be started, and the two wedges in the steel wire rope brake 11 are close to each other to clamp the steel wire rope 2, so that the steel wire rope 2 stops moving. The type of the steel wire rope brake 11 is as follows: a GSZDX-150 type wedge wire rope brake 11.
The brake limiter is arranged on one side of the tower frame 1 and used for detecting the position of the hanger 3 and transmitting data to the controller 5, and the controller 5 can control the brake mechanism to be started when needed according to the current position of the hanger 3.
In the present invention and fig. 1, the brake stopper includes: a third sensor 12 and a fourth sensor 13. The third sensor 12 and the fourth sensor 13 are installed on the tower 1, and the controller 5 is connected with the third sensor 12 and the fourth sensor 13, respectively. The third sensor 12 and the fourth sensor 13 are used to detect the position of the hanger 3 and transmit the position data to the controller 5.
In the embodiment of the present invention, the third sensor 12 is installed on one side of the tower 1, and the position is on the same horizontal line with the position of the upper limit of the hanger 3, and the upper limit of the hanger 3 is: when the sucker rod 18 completes the upstroke, the hanger 3 is in position. Fourth sensor 13 installs in pylon 1 one side, and the position is spacing on same water flat line under 3 with the hanger, and 3 lower spacing of hanger are: when the sucker rod 18 completes the downstroke, the hanger 3 is in place.
When the hanger 3 moves to the lower limit of the hanger 3, the third sensor 12 detects the position of the hanger 3 and transmits position data to the controller 5, and when the hanger 3 moves to the upper limit of the hanger 3, the fourth sensor 13 detects the position of the hanger 3 and transmits the position data to the controller 5, and the controller 5 can control the steel wire brake 11 to be started when needed according to the position of the hanger 3.
In the present invention and fig. 1, the method further includes: further comprising: and (4) a pulley block. The pulley block is arranged at the top of the tower frame 1. The other end of the steel wire rope 2 passes through a groove on the pulley block at the top of the tower frame 1 and is connected with the balance mechanism.
In the embodiment of the invention, the pulley block comprises two fixed pulleys 14, pulley supports are respectively mounted at two ends of the top of the tower frame 1, the pulley support bodies are in right-angled triangles, and the right-angled sides of the two pulley supports are respectively connected with two ends of the top of the tower frame 1. The two fixed pulleys 14 are respectively connected with the pulley bracket shafts on two sides, the fixed pulleys 14 can rotate clockwise or anticlockwise along the central shaft, and the grooves at the tops of the two fixed pulleys 14 are positioned on the same straight line. One end of the steel wire rope 2 is connected with the fixed frame 16, and the other end of the steel wire rope passes through the grooves of the two fixed pulleys 14 to be connected with the balance mechanism. The two fixed pulleys 14 are used for reducing the friction between the top of the tower 1 and the steel cable 2 when the steel cable 2 moves back and forth around the top of the tower 1.
In the present invention and fig. 1, the hanger 3 includes: a movable pulley. The movable pulley is movably connected to the steel wire rope 2. The movable pulley is connected with the sucker rod 18 and is used for driving the sucker rod 18 to move.
In the embodiment of the invention, the movable pulley is arranged on the steel wire rope 2 between the fixed frame 16 and the top of the tower 1, and the steel wire rope 2 is arranged in the groove of the movable pulley. When the balance box 6 moves downwards, the steel wire rope 2 on one side of the tower frame 1 is driven to move upwards, the steel wire rope 2 drives the movable pulley to move upwards, the movable pulley drives the sucker rod 18 to move upwards to complete the upward stroke, and when the weight of the balance box 6 is reduced, the weight of the movable pulley and the traction force of the sucker rod 18 downwards drive the steel wire rope 2 on one side of the tower frame 1 to move downwards. During the upward or downward movement of the steel wire rope 2 on one side of the tower 1, the movable pulley can slide back and forth on the steel wire rope 2, and the movable pulley is used for enabling the balance box 6 to save more labor when the sucker rod 18 is pulled to move upwards through the steel wire rope 2.
In the embodiment of the invention, when oil pumping is carried out, the controller 5 sends a signal to control the liquid inlet pump in the pump box 7 to start, oil in the oil pipe 8 is pumped out and is injected into the balance box 6 through the liquid inlet pipe 19, the weight of the balance box 6 is gradually increased, when the weight of the balance box 6 and the balancing weight 15 is greater than the weight of the hanger 3 and the downward traction force of the sucker rod 18, the balance box 6 moves downwards due to gravity to drive the other end of the steel wire rope 2 to move downwards, so that the steel wire rope 2 on one side of the tower frame 1 is driven to move upwards, and the steel wire rope 2 drives the hanger 3 and the sucker rod 18 to move upwards, so that the sucker rod 18.
When the balance box 6 moves to the second sensor 10 which is arranged at the other side of the tower frame 1 and close to the bottom, the second sensor 10 detects the position of the balance box 6, position data are transmitted to the controller 5, when the controller 5 judges that the balance box 6 is at the lower limit, the controller 5 controls the liquid outlet pump to be started, oil in the balance box 6 is pumped out through the liquid outlet pipe 20 and conveyed into the oil pipe 8, the weight of the balance box 6 and the balance weight block 15 is reduced after the oil in the balance box 6 is pumped out, when the weight is smaller than the weight of the hanger 3 and the traction force of the sucker rod 18, the hanger 3 and the sucker rod 18 move downwards, the sucker rod 18 completes the downstroke, the balance box 6 is driven to move upwards to be close to the first sensor 9, the position data are transmitted to the controller 5 when the weight of the balance box 6 is judged to be at the upper limit by the controller 5, the liquid inlet pump is controlled to be started, the oil is injected into the balance box 6, the And the pumping rod 18 continuously moves up and down to pump oil in the process of repeatedly pumping and injecting oil into the balance box 6. In the whole process, the steel wire rope 2 at the top of the tower 1 moves in the grooves of the two fixed pulleys 14 to drive the fixed pulleys 14 to rotate back and forth.
When the steel wire rope 2 on the top of the tower frame 1 moves back and forth, the generator wheel of the generator 4 is driven to move back and forth, the generator 4 generates electric energy, the generator 4 is connected with the liquid inlet pump and the liquid outlet pump through a circuit, and the generator 4 transmits the generated electric energy to the liquid inlet pump and the liquid outlet pump to supply power for the liquid inlet pump and the liquid outlet pump.
When emergency stop is needed in the oil pumping process, the position of the hanger 3 can be detected by the third sensor 12 and the fourth sensor 13 which are arranged on one side of the tower frame 1 and is transmitted to the controller 5, then the controller 5 controls the steel wire rope brake 11 to start, the wedge of the steel wire rope brake 11 clamps the steel wire rope 2, the steel wire rope 2 is fixed to enable the sucker rod 18 to stop moving, or the emergency stop button on the side surface of the tower frame 1 is directly pressed to start the steel wire rope brake 11.
The invention controls the weight change of oil in the balance box 6 through the pump box 7 to drive the balance box 6 to lift, namely, the lift of the sucker rod 18 is controlled, so as to complete the repeated oil pumping work of the sucker rod 18. The power source of the invention is the change of the weight of oil in the balance box 6, the motor does not need to participate in the operation of the pumping unit in the whole process, the complicated power transmission device is simplified, the loss in energy transmission is reduced, only a little electric energy is consumed when the liquid inlet pump or the liquid outlet pump in the pump box 7 is started initially, and the subsequent electric energy is provided for the liquid outlet pump and the liquid inlet pump through the generator 4 which is matched with the steel wire rope 2 at the top of the tower frame 1. The movable pulley hanger 3 can balance the balance box 6 by half of the total weight of the hanger 3 and the sucker rod 18, thereby achieving the purpose of energy saving. The liquid inlet pump and the liquid outlet pump are directly connected with the oil pipe 8, the used oil is the oil in the oil pipe of the oil production well, and an oil tank and the oil do not need to be additionally arranged for pumping and discharging, so that the purpose of energy conservation is achieved.
The above-mentioned embodiments are merely embodiments for expressing the invention, and the description is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, various changes, substitutions of equivalents, improvements and the like can be made without departing from the spirit of the invention, and these are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a vertical assembly pulley dynamic balance beam-pumping unit which characterized in that includes: the device comprises a tower (1), a steel wire rope (2), a hanger (3), a generator (4) and a balance mechanism;
one end of the steel wire rope (2) is connected with one side of the tower (1), and the other end of the steel wire rope passes through the balance mechanism from the top of the tower (1);
the hanger (3) is movably connected to the steel wire rope (2) on one side of the tower frame (1), and the hanger (3) is connected with a sucker rod (18);
the balance mechanism is used for driving the steel wire rope (2) and the hanger (3) to move, and the hanger (3) is used for driving the sucker rod (18) to move;
the generator (4) is fixed on the tower (1), the generator (4) is connected with the steel wire rope (2), the generator (4) is connected with the balance mechanism through a line, and the generator (4) is used for generating electricity and transmitting electric energy to the balance mechanism.
2. The vertical pulley block dynamic balance pumping unit of claim 1, further comprising: a controller (5);
the controller (5) is connected with the balance mechanism, and the controller (5) is used for controlling the balance mechanism to move.
3. The vertical pulley block dynamically balanced pumping unit of claim 2, wherein the balancing mechanism comprises: a balance box (6) and a pump box (7);
the top of the balance box (6) is connected with the other end of the steel wire rope (2);
the pump box (7) and the balance box (6) are respectively connected with a liquid inlet pipe (19) through a liquid outlet pipe (20);
the pump box (7) is connected with an oil pipe (8);
the controller (5) is connected with the pump box (7), and the controller (5) is also used for controlling the pump box (7) to be started or closed.
4. The vertical pulley block dynamic balance pumping unit of claim 3, further comprising: a balancing box limiter;
the balance box limiter is arranged on the tower (1), and the controller (5) is connected with the balance box limiter;
the balance box limiter is used for detecting the position of the balance box (6) and transmitting the position data to the controller (5).
5. The vertical pulley block dynamically balanced pumping unit of claim 4, wherein the surge tank limiter comprises: a first sensor (9) and a second sensor (10);
the first sensor (9) and the second sensor (10) are mounted on the tower (1), and the controller (5) is respectively connected with the first sensor (9) and the second sensor (10);
the first sensor (9) and the second sensor (10) are used for detecting the position of the balancing box (6) and transmitting the position data to the controller (5).
6. The vertical pulley block dynamic balance pumping unit of claim 2, further comprising: a brake mechanism;
the brake mechanism is arranged on the tower (1), is connected with the steel wire rope (2) and is used for fixing the steel wire rope (2) to stop the steel wire rope (2) from moving;
the brake mechanism is connected with the controller (5), and the controller (5) is also used for controlling the brake mechanism to be started or closed.
7. The vertical pulley block dynamic balance pumping unit of claim 6, wherein the brake mechanism comprises: a steel wire rope brake (11) and a brake limiter;
the steel wire rope brake (11) is connected with the steel wire rope (2);
the controller (5) is respectively connected with the steel wire rope brake (11) and the brake limiter through lines;
the brake limiting stopper is arranged on the tower (1) and used for detecting the position of the hanger (3) and transmitting the position to the controller (5).
8. The vertical pulley block dynamic balance pumping unit of claim 7, wherein the brake limiter comprises: a third sensor (12) and a fourth sensor (13);
the third sensor (12) and the fourth sensor (13) are mounted on the tower (1), and the controller (5) is respectively connected with the third sensor (12) and the fourth sensor (13);
the third sensor (12) and the fourth sensor (13) are used for detecting the position of the hanger (3) and transmitting position data to the controller (5).
9. The vertical pulley block dynamic balance pumping unit according to claim 1 or 2, further comprising: a pulley block;
the pulley block is arranged at the top of the tower (1);
the other end of the steel wire rope (2) penetrates through a groove in the pulley block at the top of the tower (1) to be connected with the balance mechanism.
10. Vertical pulley block dynamically balanced pumping unit according to any of claims 1-8, characterized in that the hanger (3) comprises: a movable pulley;
the movable pulley is movably connected to the steel wire rope (2);
the movable pulley is connected with the sucker rod (18) and is used for driving the sucker rod (18) to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011071977.4A CN112112607A (en) | 2020-10-09 | 2020-10-09 | Vertical pulley block dynamic balance oil pumping unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011071977.4A CN112112607A (en) | 2020-10-09 | 2020-10-09 | Vertical pulley block dynamic balance oil pumping unit |
Publications (1)
| Publication Number | Publication Date |
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| CN112112607A true CN112112607A (en) | 2020-12-22 |
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ID=73798562
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011071977.4A Pending CN112112607A (en) | 2020-10-09 | 2020-10-09 | Vertical pulley block dynamic balance oil pumping unit |
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| Country | Link |
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| CN (1) | CN112112607A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116591642A (en) * | 2023-05-22 | 2023-08-15 | 东营市金亿来石油机械有限公司 | Vertical pumping unit for petroleum exploitation |
| CN117005850A (en) * | 2023-09-04 | 2023-11-07 | 大庆石油管理局有限公司 | Novel tower crane overhead platform inspection device |
-
2020
- 2020-10-09 CN CN202011071977.4A patent/CN112112607A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116591642A (en) * | 2023-05-22 | 2023-08-15 | 东营市金亿来石油机械有限公司 | Vertical pumping unit for petroleum exploitation |
| CN116591642B (en) * | 2023-05-22 | 2023-11-24 | 东营市金亿来石油机械有限公司 | Vertical pumping unit for petroleum exploitation |
| CN117005850A (en) * | 2023-09-04 | 2023-11-07 | 大庆石油管理局有限公司 | Novel tower crane overhead platform inspection device |
| CN117005850B (en) * | 2023-09-04 | 2024-03-26 | 大庆石油管理局有限公司 | Tower crane overhead platform inspection device |
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