CN213743352U

CN213743352U - Oil production wellhead oil extraction device

Info

Publication number: CN213743352U
Application number: CN202022254154.7U
Authority: CN
Inventors: 王文娟; 薛秋红; 王凯歌; 陶琳; 薛永刚
Original assignee: Qingdao Eurasia Marine Survey Equipment Co ltd
Current assignee: Qingdao Eurasia Marine Survey Equipment Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-07-20
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses an oil recovery well head oil recovery ware relates to oil recovery ware technical field, including oil pipe, sucker rod, oil recovery pump, rotor, shaft coupling, oil pipe inner wall clearance mechanism includes guide square column, slide, sliding gear, gear groove, gear shaft, rack, connecting rod, coupling spring, rod frame, scrapes the wall pole. The utility model discloses a design that liftable formula oil pipe inner wall clearance mechanism was passed through to design makes the direction square column wholly install through the shaft coupling rigidity in the oil production pump rotor and carry out rotary drive, and the spiral water conservancy diversion formula scrape the wall pole and compress tightly the laminating people and make the glutinous crude oil of oil pipe inner wall receive the extrusion and strike off and rise and input the oil pump along the spiral plate of scraping the wall pole at continuous rotatory in-process in the oil pipe inner wall, the effectual problem of having solved oil pipe jam.

Description

Oil production wellhead oil extraction device

Technical Field

The utility model belongs to the technical field of oil recovery ware technique and specifically relates to an oil recovery well head oil recovery ware.

Background

At present, oil extraction devices in the petroleum industry are mostly completed by adopting a pumping unit to drive a downhole pump type oil extractor, the oil extractor arranges a pump sleeve and a one-way bottom valve of a downhole pump underground along an oil well casing when oil is extracted, the oil pipe is sequentially put into the well, then a plunger is arranged at the end part of the oil pumping rod and is put into the well along with the oil pumping rod, and the plunger enters the pump sleeve, the oil extraction work is completed by the reciprocating up-and-down motion of the pumping unit, however, the existing oil extractor does not have the function of cleaning the oil pipe normally, because crude oil is a viscous substance, the crude oil is easy to adhere to the inner wall of the oil pipe, and the oil pipe is unsmooth after a long time.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect that exists among the prior art, the utility model provides an oil recovery well head oil recovery ware.

The utility model provides a technical scheme that its technical problem adopted is: an oil extraction wellhead oil extraction device comprises an oil pipe, an oil pumping rod, an oil extraction pump, a rotor, a coupler and an oil pipe inner wall cleaning mechanism, wherein the oil pipe inner wall cleaning mechanism comprises a guide square column, a sliding seat, a sliding motor, a sliding gear, a gear groove, a gear shaft, a rack, a connecting rod, a connecting spring, a rod frame and a wall scraping rod, the oil pumping rod is arranged inside the oil pipe, the oil extraction pump is rigidly arranged on the oil pumping rod, the rotor is arranged on the oil extraction pump, the coupler is rigidly connected and arranged between the rotor and the guide square column, the sliding seat is arranged on the guide square column in a nested and matched manner, the sliding motor is divided into 2 groups and is rigidly arranged on the side surface of the front end of the sliding seat, the sliding gear is rigidly arranged on the gear shaft, the gear shaft is rigidly arranged on the power output end of the sliding motor, the gear groove is arranged in the hollow part inside the sliding seat, the utility model discloses a guide square column, including slide gear, gear shaft, connecting spring rigid connection, rack, slide gear and rack, slide gear installs in the gear groove inside, the gear shaft passes through the bearing cooperation to be installed inside the slide, slide gear and rack toothing, the rack divide 2 left and right sides symmetric rigid mounting in direction square column lateral wall about, the articulated side of installing about the slide of connecting rod head end, 4 articulated installations in the connecting rod end of dividing into groups of pole frame, the connecting rod uses 2 of longitudinal symmetry to articulate the side of installing about the slide as a set of 2 groups bilateral symmetry, connecting spring rigid connection installs between 2 single groups of connecting rod, scrape 4 groups of pole branch of wall and pass through the bearing cooperation and install in the pole frame.

In the oil extraction wellhead oil extractor, the outer wall of the wall scraping rod is provided with the spiral ascending type flow guide scraping plate, and the sliding motor is subjected to sealing and waterproof treatment.

The beneficial effects of the utility model are that, the utility model discloses a design that the scheme passes through liftable formula oil pipe inner wall clearance mechanism makes the direction square column wholly install in the oil production pump rotor through the shaft coupling rigidity and carry out rotary drive, and the spiral water conservancy diversion formula scrapes the wall pole and compresses tightly the laminating people and make the glutinous crude oil of oil pipe inner wall receive the extrusion and strike off and rise and input the oil pump along the flight of scraping the wall pole in continuous rotatory in-process in oil pipe inner wall, the effectual problem of having solved oil pipe jam.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a partially enlarged view of the area a of the present invention.

In the figure, 1, an oil pipe, 2, a sucker rod, 3, an oil extraction pump, 4, a rotor, 5, a coupler, 6, a guide square column, 7, a sliding seat, 8, a sliding motor, 9, a sliding gear, 10, a gear groove, 11, a gear shaft, 12, a rack, 13, a connecting rod, 14, a connecting spring, 15, a rod frame and 16, a wall scraping rod are arranged.

Detailed Description

In order to more clearly illustrate the technical solution of the present invention, the following provides a further description of the present invention with reference to the accompanying drawings, and obviously, the following described drawings are only one embodiment of the present invention, and for those skilled in the art, other embodiments can be obtained according to the drawings and the embodiment without any creative work, and all belong to the protection scope of the present invention.

An oil extraction wellhead oil extraction device comprises an oil pipe 1, an oil pumping rod 2, an oil extraction pump 3, a rotor 4, a coupler 5 and an oil pipe inner wall cleaning mechanism, wherein the oil pipe inner wall cleaning mechanism comprises a guide square column 6, a slide seat 7, a sliding motor 8, a sliding gear 9, a gear groove 10, a gear shaft 11, a rack 12, a connecting rod 13, a connecting spring 14, a rod frame 15 and a wall scraping rod 16, the oil pumping rod 2 is installed inside the oil pipe 1, the oil extraction pump 3 is rigidly installed on the oil pumping rod 2, the rotor 4 is arranged on the oil extraction pump 3, the coupler 5 is rigidly connected and installed between the rotor 4 and the guide square column 6, the slide seat 7 is installed on the guide square column 6 in a nested manner, the sliding motor 8 is divided into 2 groups and rigidly installed on the side face of the front end of the slide seat 7, the sliding gear 9 is rigidly installed on the

gear shaft

11, 11 rigid mounting of gear shaft in 8 power take off ends of slide motor, gear groove 10 sets up in slide 7 inside hollow, slide gear 9 is installed inside gear groove 10, gear shaft 11 passes through the bearing cooperation and installs inside slide 7, slide gear 9 and the meshing of rack 12, rack 12 divide 2 group bilateral symmetry rigid mounting in lateral wall about direction square column 6, the articulated side of installing about slide 7 of connecting rod 13 head end, the articulated side of installing in connecting rod 13 is divided into 4 groups to the

rod frame

15, 2 of the symmetry about connecting rod 13 are a set of 2 group bilateral symmetry articulated side of installing in slide 7, connecting spring 14 rigid connection installs between 2 single group's connecting rod 13, scrape 16 groups of wall bar 4 and install in rod frame 15 through the bearing cooperation.

In detail, the outer wall of the wall scraping rod 16 is provided with a spiral rising type flow guide scraping plate, and the sliding motor 8 is subjected to sealing and waterproof treatment.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims

1. The utility model provides an oil recovery well head oil recovery ware, includes oil pipe (1), sucker rod (2), oil recovery pump (3), rotor (4), shaft coupling (5), oil pipe inner wall clearance mechanism, its characterized in that: the oil pipe inner wall cleaning mechanism comprises a guide square column (6), a sliding seat (7), a sliding motor (8), a sliding gear (9), a gear groove (10), a gear shaft (11), a rack (12), a connecting rod (13), a connecting spring (14), a rod frame (15) and a wall scraping rod (16), wherein the sucker rod (2) is installed inside the oil pipe (1), the oil extraction pump (3) is rigidly installed on the sucker rod (2), the rotor (4) is arranged on the oil extraction pump (3), a coupler (5) is rigidly connected and installed between the rotor (4) and the guide square column (6), the sliding seat (7) is installed on the guide square column (6) in a nested manner, the sliding motor (8) is rigidly installed on the side face of the front end of the sliding seat (7) in a left-right symmetrical manner in groups of 2, the sliding gear (9) is rigidly installed on the gear shaft (11), the gear shaft (11) is rigidly installed at the power output end of the sliding motor (8), the gear groove (10) is arranged in the hollow part of the sliding seat (7), the sliding gear (9) is installed inside the gear groove (10), the gear shaft (11) is installed inside the sliding seat (7) through the matching of bearings, the sliding gear (9) is meshed with the rack (12), the rack (12) is divided into 2 groups and is rigidly installed on the left side wall and the right side wall of the guide square column (6), the head end of the connecting rod (13) is hinged and installed on the left side surface and the right side surface of the sliding seat (7), the rod frame (15) is divided into 4 groups and is hinged and installed at the tail end of the connecting rod (13), the connecting rod (13) is hinged and installed on the left side surface and the right side surface of the sliding seat (7) for 2 groups of 2 groups with the upper and lower symmetry, and the connecting spring (14) is rigidly connected and installed between the single group of 2 connecting rods (13), the wall scraping rod (16) is arranged on the rod frame (15) in 4 groups in a matching way through a bearing.

2. An oil extraction wellhead oil extractor according to claim 1, characterized in that the outer wall of the wall scraping rod (16) is provided with a spiral rising type flow guiding scraper, and the sliding motor (8) is sealed and waterproof.