CN214616472U - Electrically controlled reversing balance-weight-free beam-pumping unit - Google Patents
Electrically controlled reversing balance-weight-free beam-pumping unit Download PDFInfo
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- CN214616472U CN214616472U CN202120577249.4U CN202120577249U CN214616472U CN 214616472 U CN214616472 U CN 214616472U CN 202120577249 U CN202120577249 U CN 202120577249U CN 214616472 U CN214616472 U CN 214616472U
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Abstract
The utility model relates to the technical field of oil extraction in oil fields, an electrically controlled reversing balance weight-free beam-pumping unit, which comprises a base, a support, a platform and a driving belt, wherein the lower end of the support is fixedly connected with the base, the upper end of the support is rotatably connected with a walking beam through a support, the near end of the well mouth of the walking beam is provided with a horse head, the far end of the well mouth is provided with a pulley, the outer circular arc section of the horse head is provided with a lifting rope, the platform is positioned below the pulley and is fixedly connected with the base, the upper part of the platform is provided with a permanent magnet synchronous motor, the shaft end of the permanent magnet synchronous motor is respectively and fixedly connected with a winding roller, the driving belt bypasses the pulley, one end of the driving belt is fixedly connected with the winding roller, the other end is fixedly connected with the upper part of the platform, the permanent magnet synchronous motor is connected with a control cabinet through a signal wire and a power wire, the winding roller is driven by the permanent magnet synchronous motor arranged on the platform, one end of the driving belt is wound on the winding roller, the driving belt pulls the walking beam, the walking beam and the horse head swing up and down by taking the support as a fulcrum, the oil extraction is realized safely and environmentally.
Description
Technical Field
The utility model relates to an oil field oil recovery technical field, concretely relates to automatically controlled switching-over does not have counter weight beam-pumping unit.
Background
Mechanical oil extraction equipment is mainly adopted for oil extraction in an oil field, wherein the oil pumping unit mainly comprises a beam pumping unit and a non-beam pumping unit, and the electrically-controlled reversing non-beam pumping unit is widely applied in terms of long stroke, low stroke frequency, energy conservation, environmental protection and low noise.
SUMMERY OF THE UTILITY MODEL
For overcoming prior art's defect, the utility model provides an automatically controlled switching-over does not have counter weight beam-pumping unit through setting up 5 drive winding drums 6 of PMSM on platform 4, makes 7 one end windings of driving band on winding drum 6, and driving band 7 pulls walking beam 9, and walking beam 9 and horse head 11 use support 10 as the fulcrum luffing motion, realize extracting oil safely, the environmental protection ground.
The utility model adopts the technical proposal that: the utility model provides an automatically controlled switching-over counter weight free beam-pumping unit, includes base 1, support 2, platform 4 and driving band 7, 2 lower extremes of support and 1 fixed connection of base, the upper end is rotated with walking beam 9 through supporting 10 and is connected, the well head near-end of walking beam 9 is equipped with horse head 11, and the well head distal end is equipped with pulley 8 the outer circular arc section of horse head 11 is equipped with lifting rope 12, platform 4 is located pulley 8 below, with 1 fixed connection of base, sets up PMSM 5 on 4 upper portions of platform, 5 axle heads of PMSM are fixed connection winding drum 6 respectively, pulley 8 is walked around to driving band 7, one end and 6 fixed connection of winding drum, the other end and 4 upper portion fixed connection of platform, 5 passing signal lines and power line of PMSM are connected with switch board 3.
The above technical solution can be further optimized as follows:
the winding drum 6 comprises a fixed end 62 and a pressing end 64, the fixed end 62 is fixedly connected with the pressing end 64 through a screw 63 and presses the end part of the driving belt 7 arranged between the fixed end 62 and the pressing end 64, two baffles 61 are arranged on the outer wall of the winding drum 6 along the radial direction, and the driving belt 7 is wound on the outer wall of the winding drum 6 between the two baffles 61.
The number of the pulleys 8 is two, and the number of the drive belts 7 is two.
The driving belt 7 is a carbon fiber polyurethane driving belt.
The utility model provides an automatically controlled switching-over does not have counter weight beam-pumping unit, through setting up 5 drive winding cylinders 6 of PMSM on platform 4, make 7 one end windings of driving band on winding cylinders 6, driving band 7 pulls walking beam 9, and walking beam 9 and horse head 11 use support 10 as the fulcrum luffing motion, realize extracting oil safely, the environmental protection ground.
Drawings
FIG. 1 is a front view of an oil pumping unit;
FIG. 2 is a cross-sectional view of a winding drum
In the figure: 1-base, 2-support, 3-control cabinet, 4-platform, 5-permanent magnet synchronous motor, 6-winding drum, 61-baffle, 62-fixed end, 63-screw, 64-pressing end, 7-driving belt, 8-pulley, 9-walking beam, 10-support, 11-horse head, 12-lifting rope.
Detailed Description
Referring to fig. 1, an electric control reversing balance-weight-free beam-pumping unit comprises a base 1, a support 2, a platform 4 and a driving belt 7, wherein the lower end of the support 2 is fixedly connected with the base 1, the upper end of the support is rotatably connected with a walking beam 9 through a support 10, a horse head 11 is arranged at the near end of a well mouth of the walking beam 9, a pulley 8 is arranged at the far end of the well mouth, a lifting rope 12 is arranged at the outer arc section of the horse head 11, the platform 4 is positioned below the pulley 8 and is fixedly connected with the base 1, a permanent magnet synchronous motor 5 is arranged at the upper part of the platform 4, shaft ends of the permanent magnet synchronous motor 5 are respectively and fixedly connected with a winding roller 6, the driving belt 7 bypasses the pulley 8, one end of the driving belt is fixedly connected with the winding roller 6, the other end of the driving belt is fixedly connected with the upper part of the platform 4, the permanent magnet synchronous motor 5 is connected with a control cabinet 3 through a signal line and a power line, and when the pumping unit is in operation, the lifting rope 12 is connected with a polish rod of an oil well through a rope hanger, the permanent magnet synchronous motor 5 starts to rotate anticlockwise after receiving an uplink signal of the control cabinet 3, the winding roller 6 starts to rotate anticlockwise under the action of the permanent magnet synchronous motor 5, the end part of the driving belt 7 is wound on the winding roller 6, the driving belt 7 is shortened, the pulley 8 is driven to rotate and move downwards, and then the horsehead 11 and the lifting rope 12 synchronously move upwards to drive the oil well polished rod to move upwards; when the polish rod goes up to the upper dead point, the rotating speed of the permanent magnet synchronous motor 5, the driving roller 6 and the pulley 8 is zero; the permanent magnet synchronous motor 5 receives the downlink signal of the control cabinet 3 and starts to rotate clockwise, under the action of the permanent magnet synchronous motor 5, the winding roller 6 starts to rotate clockwise, the driving belt 7 wound on the winding roller 6 starts to be separated, the driving belt 7 is lengthened, meanwhile, the lifting rope 12 starts to move downwards under the self-weight driving of the sucker rod, the horsehead 11 is driven to move downwards, the pulley 8 rotates and moves upwards, when the polished rod of the oil well moves downwards to a bottom dead center, the rotating speeds of the permanent magnet synchronous motor 5, the driving roller 6 and the pulley 8 are zero, and an oil extraction stroke of the oil pumping unit is finished.
In a preferred embodiment, the winding drum 6 comprises a fixed end 62 and a pressing end 64, the fixed end 62 is fixedly connected with the pressing end 64 through a screw 63 and presses the end of the driving belt 7 arranged between the fixed end 62 and the pressing end 64, two baffles 61 are arranged on the outer wall of the winding drum 6 along the radial direction, the driving belt 7 is wound on the outer wall of the winding drum 6 between the two baffles 61, and when the driving belt 7 is wound, the end of the driving belt is uniformly pressed and is not easy to fall off under the action force of the fixed end 62 and the pressing end 64; the two baffles 61 prevent the driving belt from sideslipping and falling off.
The number of the pulleys 8 is two, the number of the driving belts 7 is two, the stress of the walking beam 9 is uniform, and the operation of the pumping unit is stable.
The driving belt 7 is a carbon fiber polyurethane driving belt, and has high tensile strength and long service life.
Claims (4)
1. The utility model provides an automatically controlled switching-over counter weight free beam-pumping unit, includes base (1), support (2), platform (4) and driving band (7), support (2) lower extreme and base (1) fixed connection, the upper end is rotated with walking beam (9) through supporting (10) and is connected, the well head near-end of walking beam (9) is equipped with horse head (11), and the well head distal end is equipped with pulley (8) the outer circular arc section of horse head (11) is equipped with lifting rope (12), its characterized in that: platform (4) are located pulley (8) below, with base (1) fixed connection, set up PMSM (5) on platform (4) upper portion, PMSM (5) axle head is fixed connection winding cylinder (6) respectively, pulley (8) are walked around in driving band (7), one end and winding cylinder (6) fixed connection, the other end and platform (4) upper portion fixed connection, PMSM (5) pass through signal line and power line and are connected with switch board (3).
2. The electrically controlled reversing non-counterweight beam-pumping unit of claim 1, characterized in that: winding cylinder (6) are including stiff end (62) and compress tightly end (64), stiff end (62) through screw (63) with compress tightly end (64) fixed connection to compress tightly and set up driving band (7) tip between stiff end (62) and compress tightly end (64), set up two baffles (61) at winding cylinder (6) outer wall along radial, driving band (7) twine on winding cylinder (6) outer wall between two baffles (61).
3. The electrically controlled reversing non-counterweight beam-pumping unit of claim 2, characterized in that: the number of the pulleys (8) is two, and the number of the driving belts (7) is two.
4. The electrically controlled reversing non-counterweight beam-pumping unit of claim 3, characterized in that: the driving belt (7) is a carbon fiber polyurethane driving belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120577249.4U CN214616472U (en) | 2021-03-22 | 2021-03-22 | Electrically controlled reversing balance-weight-free beam-pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120577249.4U CN214616472U (en) | 2021-03-22 | 2021-03-22 | Electrically controlled reversing balance-weight-free beam-pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214616472U true CN214616472U (en) | 2021-11-05 |
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ID=78395984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120577249.4U Active CN214616472U (en) | 2021-03-22 | 2021-03-22 | Electrically controlled reversing balance-weight-free beam-pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214616472U (en) |
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2021
- 2021-03-22 CN CN202120577249.4U patent/CN214616472U/en active Active
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