CN111502600A - Holding rod traction type integrated oil pumping unit - Google Patents
Holding rod traction type integrated oil pumping unit Download PDFInfo
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- CN111502600A CN111502600A CN202010290214.2A CN202010290214A CN111502600A CN 111502600 A CN111502600 A CN 111502600A CN 202010290214 A CN202010290214 A CN 202010290214A CN 111502600 A CN111502600 A CN 111502600A
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- sucker rod
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- holding
- wellhead
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- 238000005086 pumping Methods 0.000 title claims abstract description 87
- 230000007246 mechanism Effects 0.000 claims abstract description 128
- 210000001503 joint Anatomy 0.000 claims abstract description 12
- 238000003032 molecular docking Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 61
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 230000009467 reduction Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 5
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000010354 integration Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 21
- 238000010586 diagram Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- F04B47/02—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
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- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a holding rod traction type integrated pumping unit, which comprises a pumping unit main machine (1), a pumping rod guide pipe mechanism (2), a well mouth butt joint mechanism (3), a pumping rod (4) and a drive control system (5); the sucker rod guide pipe mechanism (2) is arranged on the top surface of the main unit (1) of the oil pumping machine; the lower bottom surface of the oil pumping unit main machine (1) is arranged on a well head butt joint mechanism (3); the sucker rod (4) penetrates through the wellhead docking mechanism (3) and the pumping unit main machine (1), and the top end of the sucker rod (4) is arranged inside the sucker rod guide pipe mechanism (2); the drive control system (5) is arranged beside the oil pumping unit main machine (1). The holding rod traction type integrated oil pumping unit has the advantages of detachable whole unit, compact structure, small volume, great convenience for transportation, installation and maintenance, high working efficiency and capability of setting operation parameters as required.
Description
Technical Field
The invention relates to a holding rod traction type integrated oil pumping unit, and belongs to the field of oil extraction technical equipment.
Background
The pumping unit is equipment for pumping crude oil at deep underground to the ground, and the structure and the principle of the traditional beam pumping unit have not been changed substantially for over a hundred years. Beam-pumping units have the disadvantages of being heavy, bulky in structure, large in volume, inconvenient to transport, install and maintain, low in efficiency and poor in safety, so that novel pumping units (such as tower-type pumping units using direct-drive technology for improving efficiency) which try to overcome the defects are continuously released, but the novel pumping units have various defects due to self and finally cannot be widely applied.
Patent Z L201520154085.9 proposes a long-stroke, low-frequency novel pumping unit, but is limited by the fatigue life of the hauling rope, the pumping unit needs to change the hauling rope frequently, and because the motor should last positive and negative rotation, need to accelerate and decelerate constantly, produce the bad influence to motor life and control.Z L201920337048. X has proposed an alternative grab bar type pumping unit, the pumping unit both sides respectively arrange a set of sucker rod lifting and lowering mechanism, both are under the drive of the same set of large-torque low-speed drive mechanism sucker rod and coordinate and work in unison alternately, take step by step to promote or step by step to descend.
Disclosure of Invention
The invention aims to overcome the defects and provide the integrated oil pumping unit with simple and compact structure, small volume and high working efficiency.
The purpose of the invention is realized as follows:
a holding rod traction type integrated pumping unit comprises a pumping unit main machine, a pumping rod guide pipe mechanism, a well head butt joint mechanism, a pumping rod and a drive control system; the sucker rod guide pipe mechanism is arranged on the top surface of the main unit of the oil pumping unit; the lower bottom surface of the oil pumping unit main machine is arranged on the well head butt joint mechanism; the sucker rod penetrates through the wellhead docking mechanism and the pumping unit main machine, and the top end of the sucker rod is arranged inside the sucker rod guide pipe mechanism; the drive control system is arranged beside the pumping unit host and is connected with the pumping unit host through a cable;
the oil pumping unit host machine comprises a permanent magnet motor, a transmission mechanism, a holding rod traction mechanism, a combined box body and a brake; the permanent magnet motor is connected with the input end of the transmission mechanism; the output end of the transmission mechanism is connected with the holding rod traction mechanism; the brake is arranged at one end of the holding rod traction mechanism;
the holding rod traction mechanism comprises a transmission chain, a main chain wheel, a driven chain wheel, a transmission chain frame, a position adjusting mechanism, a tensioning mechanism, a pressing plate, a pressure cylinder and a holding rod block; the transmission chain is arranged between the main chain wheel and the driven chain wheel; the main chain wheel and the driven chain wheel are arranged on the transmission chain frame; two ends of the transmission chain frame are in sliding contact with the position adjusting mechanism; the tensioning mechanism is arranged on the transmission chain frame and connected with the wheel shaft of the driven chain wheel; the rod holding block is fixedly arranged on the outer side edge of the transmission chain link and is in static friction contact with the sucker rod; the pressing plate is arranged on the inner side of the straight side part of the transmission chain, one surface of the pressing plate is in rolling contact with a roller of the transmission chain, and the other surface of the pressing plate is connected with the movable end of the pressure cylinder; the fixed end of the pressure cylinder is fixedly arranged on the transmission chain frame, and the pressure cylinder can be a hydraulic oil cylinder or an electric cylinder;
the transmission mechanism comprises a reduction gearbox, a parallel coupling mechanism and a shaft system; the input end of the reduction gearbox is connected with the rotor of the permanent magnet motor, and the output end of the reduction gearbox is connected with one end of a rotating shaft of a main chain wheel of the holding rod traction mechanism; the other end of the rotating shaft of the main chain wheel is connected with the input end of the parallel coupling mechanism; the output end of the parallel coupling mechanism is connected with a rotating shaft of a main chain wheel of the other holding pole traction mechanism;
the main machine of the oil pumping unit can comprise a plurality of sets of holding rod traction mechanisms, and all the holding rod traction mechanisms are uniformly distributed on the periphery of the oil pumping rod; the sucker rods are embraced by the embracing rod blocks of the embracing rod traction mechanisms through the pressure provided by the pressure cylinders, and the load is pulled to be lifted upwards under the traction of the transmission chain; when the sucker rod and the load thereof return downwards, the driving chain is driven to rotate reversely, and the driving chain drives the permanent magnet motor to generate electricity and simultaneously applies damping to the sucker rod and the load thereof so as to enable the sucker rod and the load thereof to return stably according to the required speed; the contact surface of the sucker rod and the sucker rod is a cylindrical surface with the same diameter as the sucker rod; the holding rod block can be made of tin bronze or high manganese steel and other wear-resistant and pressure-resistant materials;
the sucker rod guide pipe mechanism comprises a bottom flange, a straight pipe, a sealing cover and a fixing ring; the sucker rod guide pipe mechanism is arranged on the top surface of the host machine of the oil pumping unit through a bottom flange, the bottoms of the straight pipes are arranged on the bottom flange, the adjacent straight pipes are connected through a fixing ring, and the sealing cover is arranged on the tops of the straight pipes;
the combined box body comprises a fixed part and a movable part; when the sucker rod is installed, the movable part is detached, and the movable part is installed on the fixed part after the sucker rod is butted, and each component is adjusted and fixed.
The wellhead butt-joint mechanism comprises a wellhead mounting plate, an adjusting screw rod and an attitude adjusting base; the corresponding positions of the wellhead mounting plate and the attitude adjusting base are provided with through holes, the wellhead mounting plate and the attitude adjusting base are connected through the adjusting screw rod, and the pumping unit main engine can be directly mounted above a wellhead or on a reinforced foundation at the periphery of the wellhead through a wellhead butting mechanism.
During installation, the pumping unit main engine is directly installed above a wellhead or on a reinforced foundation at the periphery of the wellhead through a wellhead butting mechanism. If the wellhead butt joint mechanism cannot be directly installed on the wellhead, a reinforced foundation is built on the periphery of the wellhead, such as piling or pouring concrete, and then the wellhead butt joint mechanism is installed on the reinforced foundation. When the main engine of the oil pumping unit is installed, the movable parts (a top plate, a movable frame, a sealing bottom plate and the like), the parallel coupling mechanism, the flange and other parts of the combined box body are firstly detached, and then the fixed parts of the combined box body are transferred to the wellhead butting mechanism by using the carrying equipment such as a forklift and the like and are pushed to the oil pumping rod for butting. After the relative positions of the components are adjusted and fixed, the disassembled parts are sequentially installed, and finally the main engine of the oil pumping unit is connected with a driving control system, so that the whole installation process is simple, convenient and efficient.
When the sucker rod clamping device works, the drive control system drives the permanent magnet motor to drive the transmission mechanism to drive the main chain wheel of the sucker rod traction mechanism to rotate, the transmission chain pulls the sucker rod clamping block arranged on the chain link, the sucker rod clamping block is pressed by the pressure cylinder through the pressure plate to clamp the sucker rod tightly, and the sucker rod is pulled to ascend through friction force. When the sucker rod and the load thereof rise to the top point, the sucker rod returns downwards under the traction of the load, so that the transmission chain is driven to rotate reversely, the permanent magnet motor is driven by the transmission chain to generate electricity, and meanwhile, the damping is applied to the sucker rod and the load thereof, so that the sucker rod and the load thereof can return stably according to the required speed.
Compared with the prior art, the invention has the beneficial effects that:
the whole machine of the invention only consists of two parts, namely a main body part of the pumping unit and a drive control system. The main machine of the pumping unit is only a box body with small volume in appearance, has no walking beam, no balance weight, compact structure and small volume, and brings great convenience for transportation, installation and maintenance;
the main machine of the oil pumping unit is a detachable mechanism, so that great convenience is brought to installation, large-scale hoisting equipment is not needed for installing the whole machine on site, and the installation process is simple, convenient and quick;
the whole machine has high working efficiency, and the operation parameters such as stroke and the like can be set in a wide range according to requirements.
Drawings
Fig. 1 is a schematic diagram of the general structure of a holding pole traction type integrated pumping unit.
Fig. 2 is a schematic structural diagram of a main unit of an oil pumping unit of the holding rod traction type integrated oil pumping unit.
Fig. 3 is a schematic structural diagram of a holding pole traction mechanism of a holding pole traction type integrated pumping unit.
Fig. 4 is a schematic structural diagram of a transmission mechanism of a holding pole traction type integrated pumping unit.
Fig. 5 is a structural schematic diagram of a sucker rod guide pipe mechanism of a holding pole traction type integrated pumping unit.
Fig. 6 is a schematic structural diagram of a combined box of a holding pole traction type integrated pumping unit.
Fig. 7 is a schematic structural diagram of a wellhead docking mechanism of a holding pole traction type integrated pumping unit.
Wherein:
the device comprises a pumping unit main machine 1, a sucker rod guide pipe mechanism 2, a wellhead butt joint mechanism 3, a sucker rod 4, a drive control system 5 and a load 6;
the device comprises a permanent magnet motor 1.1, a transmission mechanism 1.2, a holding pole traction mechanism 1.3, a combined box body 1.4 and a brake 1.5;
the device comprises a transmission chain 1.3.1, a main chain wheel 1.3.2, a driven chain wheel 1.3.3, a transmission chain frame 1.3.4, a position adjusting mechanism 1.3.5, a tensioning mechanism 1.3.6, a pressure plate 1.3.7, a pressure cylinder 1.3.8 and a holding rod block 1.3.9;
a reduction box 1.2.1, a parallel coupling mechanism 1.2.2 and a shaft system 1.2.3;
a bottom flange 2.1, a straight pipe 2.2, a sealing cover 2.3 and a fixing ring 2.4;
a fixed part 1.4.1, a movable part 1.4.2;
well head mounting panel 3.1, adjusting screw 3.2, posture adjustment base 3.3.
Detailed Description
Referring to fig. 1-7, the invention relates to a holding rod traction type integrated pumping unit, which comprises a pumping unit main machine 1, a pumping rod guide pipe mechanism 2, a well head butt joint mechanism 3, a pumping rod 4 and a drive control system 5; the sucker rod guide pipe mechanism 2 is arranged on the top surface of the pumping unit main machine 1; the lower bottom surface of the pumping unit main machine 1 is arranged on a well head butt joint mechanism 3; the sucker rod 4 penetrates through the wellhead docking mechanism 3 and the pumping unit main machine 1, and the top end of the sucker rod 4 is arranged inside the sucker rod guide pipe mechanism 2; the drive control system 5 is arranged beside the pumping unit main machine 1 and is connected with the pumping unit main machine 1 through a cable;
the oil pumping unit main machine 1 comprises a permanent magnet motor 1.1, a transmission mechanism 1.2, a holding rod traction mechanism 1.3, a combined box body 1.4 and a brake 1.5; the permanent magnet motor 1.1 is connected with the input end of the transmission mechanism 1.2; the output end of the transmission mechanism 1.2 is connected with the holding rod traction mechanism 1.3; the brake 1.5 is arranged at one end of the holding pole traction mechanism 1.3;
the holding pole traction mechanism 1.3 comprises a transmission chain 1.3.1, a main chain wheel 1.3.2, a driven chain wheel 1.3.3, a transmission chain frame 1.3.4, a position adjusting mechanism 1.3.5, a tensioning mechanism 1.3.6, a pressure plate 1.3.7, a pressure cylinder 1.3.8 and a holding pole block 1.3.9; the transmission chain 1.3.1 is arranged between the main chain wheel 1.3.2 and the auxiliary chain wheel 1.3.3; the main chain wheel 1.3.2 and the auxiliary chain wheel 1.3.3 are arranged on a transmission chain frame 1.3.4; both ends of the transmission chain frame 1.3.4 are in sliding contact with the position adjusting mechanism 1.3.5; the tensioning mechanism 1.3.6 is arranged on the transmission chain frame 1.3.4, and the tensioning mechanism 1.3.6 is connected with the wheel shaft of the driven chain wheel 1.3.3; the pole holding block 1.3.9 is fixedly arranged on the outer side edge of the chain link of the transmission chain 1.3.1, and the pole holding block 1.3.9 is in static friction contact with the sucker rod 4; the pressing plate 1.3.7 is arranged on the inner side of the straight edge part of the transmission chain 1.3.1, one surface of the pressing plate 1.3.7 is in rolling contact with a roller of the transmission chain 1.3.1, and the other surface of the pressing plate 1.3.7 is connected with the movable end of the pressure cylinder 1.3.8; the fixed end of the pressure cylinder 1.3.8 is fixedly arranged on the transmission chain frame 1.3.4, and the pressure cylinder 1.3.8 can be a hydraulic oil cylinder or an electric cylinder;
the transmission mechanism 1.2 comprises a reduction gearbox 1.2.1, a parallel coupling mechanism 1.2.2 and a shaft system 1.2.3; the input end of the reduction gearbox 1.2.1 is connected with the rotor of the permanent magnet motor 1.1, and the output end of the reduction gearbox 1.2.1 is connected with one end of a rotating shaft of a main chain wheel 1.3.2 of the holding pole traction mechanism 1.3; the other end of the rotating shaft of the main chain wheel 1.3.2 is connected with the input end of the parallel coupling mechanism 1.2.2; the output end of the parallel coupling mechanism 1.2.2 is connected with the rotating shaft of the main chain wheel 1.3.2 of the other holding pole traction mechanism 1.3;
the pumping unit main machine 1 can comprise a plurality of sets of holding rod traction mechanisms 1.3, and all the holding rod traction mechanisms 1.3 are uniformly distributed on the periphery of the pumping rod 4; the sucker rod 4 is embraced by the embracing rod block 1.3.9 of each embracing rod traction mechanism 1.3 through the pressure provided by the pressure cylinder 1.3.8, and the driving load 6 is lifted upwards under the traction of the driving chain 1.3.1; when the sucker rod 4 and the load 6 thereof return downwards, the transmission chain 1.3.1 is driven to rotate reversely, and the transmission chain 1.3.1 drives the permanent magnet motor 1.1 to generate power reversely and simultaneously applies damping to the sucker rod 4 and the load 6 thereof so as to enable the sucker rod 4 and the load 6 thereof to return stably at a required speed; the contact surface of the sucker rod 4 and the sucker rod holding block 1.3.9 is a cylindrical surface with the same diameter as the sucker rod 4; the holding pole block 1.3.9 can be made of tin bronze or high manganese steel and other wear-resistant and pressure-resistant materials;
the sucker rod guide pipe mechanism 2 comprises a bottom flange 2.1, a straight pipe 2.2, a sealing cover 2.3 and a fixing ring 2.4; the sucker rod guide pipe mechanism 2 is arranged on the top surface of the oil pumping machine main machine 1 through a bottom flange 2.1, the bottoms of the straight pipes 2.2 are arranged on the bottom flange 2.1, the adjacent straight pipes 2.2 are connected through a fixing ring 2.4, and the sealing cover 2.3 is arranged on the top of the straight pipe 2.2;
the combined box body 1.4 comprises a fixed part 1.4.1 and a movable part 1.4.2; when in installation, the movable part is detached, and the movable part 1.4.2 is installed on the fixed part 1.4.1 after the sucker rod 4 is butted, and each component is adjusted and fixed.
The wellhead docking mechanism 3 comprises a wellhead mounting plate 3.1, an adjusting screw rod 3.2 and an attitude adjusting base 3.3; the corresponding positions of the wellhead mounting plate 3.1 and the attitude adjusting base 3.3 are provided with through holes 3.4, the wellhead mounting plate 3.1 and the attitude adjusting base 3.3 are connected through the adjusting screw rod 3.2, and the pumping unit main engine 1 can be directly mounted above a wellhead or on a reinforced foundation at the periphery of the wellhead through the wellhead butting mechanism 3.
During installation, the pumping unit main machine 1 is directly installed above a wellhead or on a reinforced foundation at the periphery of the wellhead through the wellhead butting mechanism 3. If the wellhead can not be directly installed on the wellhead, a reinforced foundation is firstly built on the periphery of the wellhead, such as piling or pouring concrete, and then the wellhead docking mechanism 3 is installed on the reinforced foundation. When the main unit 1 of the oil pumping unit is installed, the movable part 1.4.2 (a top plate, a movable frame, a sealing bottom plate and the like), the parallel coupling mechanism 1.2.2, the flange 2.1 and other parts of the combined box body 1.4 are firstly disassembled, and then the fixed part 1.4.1 of the combined box body 1.4 is transferred to the wellhead docking mechanism 3 by using the carrying equipment such as a forklift and is pushed to the oil pumping rod 4 for docking. After the relative positions of the components are adjusted and fixed, the disassembled parts are sequentially installed, and finally the main oil pumping unit 1 is connected with the drive control system 5, so that the whole installation process is simple, convenient and efficient.
When the sucker rod clamping device works, the drive control system 5 drives the permanent magnet motor 1.1 to drive the transmission mechanism 1.2 to drive the main chain wheel 1.3.2 of the sucker rod traction mechanism 1.3 to rotate, the transmission chain 1.3.1 pulls the sucker rod block 1.3.9 arranged on the chain link, the sucker rod block 1.3.9 is pressed by the pressure cylinder 1.3.8 through the pressure plate 1.3.7 to clamp the sucker rod 4 tightly, and the sucker rod 4 is pulled to rise through friction force. When the sucker rod 4 and the load 6 thereof rise to the top, the sucker rod 4 returns downwards under the traction of the load 6, so that the transmission chain 1.3.1 is driven to rotate reversely, the transmission chain 1.3.1 drives the permanent magnet motor 1.1 to generate power reversely, and meanwhile, damping is applied to the sucker rod 4 and the load 6 thereof, so that the sucker rod 4 and the load 6 thereof can return stably at a required speed.
In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.
Claims (9)
1. The utility model provides a hold pole towed integration beam-pumping unit which characterized in that: the holding rod traction type integrated oil pumping unit comprises an oil pumping unit main machine (1), a sucker rod guide pipe mechanism (2), a well head butt joint mechanism (3), a sucker rod (4) and a drive control system (5); the sucker rod guide pipe mechanism (2) is arranged on the top surface of the main unit (1) of the oil pumping machine; the lower bottom surface of the oil pumping unit main machine (1) is arranged on a well head butt joint mechanism (3); the sucker rod (4) penetrates through the wellhead docking mechanism (3) and the pumping unit main machine (1), and the top end of the sucker rod (4) is arranged inside the sucker rod guide pipe mechanism (2); the drive control system (5) is arranged beside the pumping unit host (1) and is connected with the pumping unit host (1) through a cable;
the oil pumping unit main machine (1) comprises a permanent magnet motor (1.1), a transmission mechanism (1.2), a holding rod traction mechanism (1.3), a combined box body (1.4) and a brake (1.5); the permanent magnet motor (1.1) is connected with the input end of the transmission mechanism (1.2); the output end of the transmission mechanism (1.2) is connected with the holding rod traction mechanism (1.3); the brake (1.5) is arranged at one end of the holding pole traction mechanism (1.3);
the holding pole traction mechanism (1.3) comprises a transmission chain (1.3.1), a main chain wheel (1.3.2), a driven chain wheel (1.3.3), a transmission chain frame (1.3.4), a position adjusting mechanism (1.3.5), a tensioning mechanism (1.3.6), a pressing plate (1.3.7), a pressure cylinder (1.3.8) and a holding pole block (1.3.9); the transmission chain (1.3.1) is installed between the main chain wheel (1.3.2) and the auxiliary chain wheel (1.3.3); the main chain wheel (1.3.2) and the auxiliary chain wheel (1.3.3) are arranged on a transmission chain frame (1.3.4); the two ends of the transmission chain frame (1.3.4) are in sliding contact with the position adjusting mechanism (1.3.5); the tensioning mechanism (1.3.6) is arranged on the transmission chain frame (1.3.4), and the tensioning mechanism (1.3.6) is connected with the wheel shaft of the driven chain wheel (1.3.3); the rod holding block (1.3.9) is fixedly arranged on the outer side edge of the chain link of the transmission chain (1.3.1), and the rod holding block (1.3.9) is in static friction contact with the sucker rod (4); the pressing plate (1.3.7) is arranged on the inner side of the straight edge part of the transmission chain (1.3.1), one surface of the pressing plate (1.3.7) is in rolling contact with a roller of the transmission chain (1.3.1), and the other surface of the pressing plate (1.3.7) is connected with the movable end of the pressure cylinder (1.3.8); the fixed end of the pressure cylinder (1.3.8) is fixedly arranged on the transmission chain frame (1.3.4).
2. The pumping unit host (1) according to claim 1, wherein: the oil pumping unit main machine (1) can comprise a plurality of sets of holding rod traction mechanisms (1.3), and all the holding rod traction mechanisms (1.3) are uniformly distributed around the oil pumping rod (4); the holding rod blocks (1.3.9) of each holding rod traction mechanism (1.3) hold the sucker rod (4) together by the pressure provided by the pressure cylinders (1.3.8) and pull the load (6) to lift upwards under the traction of the transmission chain (1.3.1); when the sucker rod (4) and the load (6) thereof return downwards, the transmission chain (1.3.1) is driven to rotate reversely, and the transmission chain (1.3.1) drives the permanent magnet motor (1.1) to generate power reversely and simultaneously applies damping to the sucker rod (4) and the load (6) thereof so as to enable the sucker rod (4) and the load (6) thereof to return stably at a required speed.
3. A pole embracing block (1.3.9) according to claim 2, wherein: the contact surface of the rod holding block (1.3.9) and the sucker rod (4) is a cylindrical surface with the same diameter as the sucker rod (4); the holding rod block (1.3.9) can be made of tin bronze or high manganese steel wear-resistant and compression-resistant materials.
4. Transmission mechanism (1.2) according to claim 1, characterized in that: the transmission mechanism (1.2) comprises a reduction gearbox (1.2.1), a parallel coupling mechanism (1.2.2) and a shaft system (1.2.3); the input end of the reduction gearbox (1.2.1) is connected with the rotor of the permanent magnet motor (1.1), and the output end of the reduction gearbox (1.2.1) is connected with one end of a rotating shaft of a main chain wheel (1.3.2) of the holding pole traction mechanism (1.3); the other end of the rotating shaft of the main chain wheel (1.3.2) is connected with the input end of the parallel coupling mechanism (1.2.2); the output end of the parallel coupling mechanism (1.2.2) is connected with the rotating shaft of the main chain wheel (1.3.2) of the other holding pole traction mechanism (1.3).
5. Pressure cylinder (1.3.8) according to claim 1, characterized in that: the pressure cylinder (1.3.8) is a hydraulic cylinder or an electric cylinder.
6. The sucker rod conduit mechanism (2) of claim 1 wherein: the sucker rod guide pipe mechanism (2) comprises a bottom flange (2.1), a straight pipe (2.2), a sealing cover (2.3) and a fixing ring (2.4); the sucker rod guide pipe mechanism (2) is installed on the top surface of the main oil pumping machine (1) through a bottom flange (2.1), the bottoms of the straight pipes (2.2) are installed on the bottom flange (2.1), adjacent straight pipes (2.2) are connected through a fixing ring (2.4), and the sealing cover (2.3) is installed at the top of the straight pipes (2.2).
7. Combined box (1.4) according to claim 1, characterized in that: the combined box body (1.4) comprises a fixed part (1.4.1) and a movable part (1.4.2); when in installation, the movable part is detached, and the movable part (1.4.2) is installed on the fixed part (1.4.1) after the sucker rod (4) is well butted, adjusted and fixed.
8. A wellhead docking mechanism (3) according to claim 1, characterized in that: the wellhead butt joint mechanism (3) comprises a wellhead mounting plate (3.1), an adjusting screw rod (3.2) and a posture adjusting base (3.3); the wellhead mounting plate (3.1) and the attitude adjustment base (3.3) are provided with through holes (3.4) at corresponding positions, and the wellhead mounting plate (3.1) and the attitude adjustment base (3.3) are connected through the adjusting screw rods (3.2).
9. The integrated pumping unit of claim 1, wherein: the oil pumping unit main machine (1) can be directly installed above a wellhead or on a reinforced foundation at the periphery of the wellhead through the wellhead butting mechanism (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010290214.2A CN111502600B (en) | 2020-04-14 | 2020-04-14 | Holding rod traction type integrated oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010290214.2A CN111502600B (en) | 2020-04-14 | 2020-04-14 | Holding rod traction type integrated oil pumping unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111502600A true CN111502600A (en) | 2020-08-07 |
| CN111502600B CN111502600B (en) | 2023-03-24 |
Family
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| CN202010290214.2A Active CN111502600B (en) | 2020-04-14 | 2020-04-14 | Holding rod traction type integrated oil pumping unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610190A (en) * | 2020-12-10 | 2021-04-06 | 江苏明昱智能科技有限公司 | Oil pumping unit based on elastic holding rod traction technology |
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| SU964235A1 (en) * | 1981-04-10 | 1982-10-07 | Отдел Конструирования,Опробования И Внедрения Разработок Всесоюзного Научно-Исследовательского Института Нефтяной Промышленности | Well sucker rod pump drive |
| CN1508384A (en) * | 2002-12-13 | 2004-06-30 | 李华林 | Vertical pipe chain pumping unit |
| CN103233705A (en) * | 2013-05-12 | 2013-08-07 | 吉林大学 | Single-motor bilateral-drive energy-saving chain type pumping unit |
| CN103670344A (en) * | 2013-12-20 | 2014-03-26 | 温州华斯特环保设备有限公司 | Double-chain reversing oil pumping method and oil pumping unit |
| CN105484703A (en) * | 2015-12-22 | 2016-04-13 | 青岛玻莱莫斯新材料技术有限公司 | Novel four-chain type oil pumping unit damping and reversing device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU964235A1 (en) * | 1981-04-10 | 1982-10-07 | Отдел Конструирования,Опробования И Внедрения Разработок Всесоюзного Научно-Исследовательского Института Нефтяной Промышленности | Well sucker rod pump drive |
| CN1508384A (en) * | 2002-12-13 | 2004-06-30 | 李华林 | Vertical pipe chain pumping unit |
| CN103233705A (en) * | 2013-05-12 | 2013-08-07 | 吉林大学 | Single-motor bilateral-drive energy-saving chain type pumping unit |
| CN103670344A (en) * | 2013-12-20 | 2014-03-26 | 温州华斯特环保设备有限公司 | Double-chain reversing oil pumping method and oil pumping unit |
| CN105484703A (en) * | 2015-12-22 | 2016-04-13 | 青岛玻莱莫斯新材料技术有限公司 | Novel four-chain type oil pumping unit damping and reversing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610190A (en) * | 2020-12-10 | 2021-04-06 | 江苏明昱智能科技有限公司 | Oil pumping unit based on elastic holding rod traction technology |
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| CN111502600B (en) | 2023-03-24 |
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