CN211623388U

CN211623388U - Integrally movable double-horsehead oil pumping unit

Info

Publication number: CN211623388U
Application number: CN202020194364.9U
Authority: CN
Inventors: 王付全; 宋志强; 韩建兴; 高志炜; 何涛
Original assignee: Karamay City Shengqi Drilling Equipment Co ltd
Current assignee: Karamay City Shengqi Drilling Equipment Co ltd
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2020-10-02
Anticipated expiration: 2030-02-21

Abstract

The utility model relates to an oil recovery equipment field, concretely relates to but two horse head beam-pumping units of integral moving formula. Including the base, the base can be dismantled and fix on cement basis, installs two horse head beam-pumping unit bodies on the base, and both sides are provided with a plurality of mobile device along its length direction around the base. The utility model discloses, simple structure, convenient operation through setting up the mobile device, conveniently steps down the operation when carrying out the workover, has reduceed the risk that the workover stepped down simultaneously, has improved the work efficiency of workover operation of stepping down.

Description

Integrally movable double-horsehead oil pumping unit

Technical Field

The utility model relates to an oil recovery equipment field, concretely relates to but two horse head beam-pumping units of integral moving formula.

Background

In the oil field oil extraction process, the beam pumping unit is mechanical oil extraction equipment which is generally adopted at present, the double-horsehead oil pumping unit is one of basic forms of the beam pumping unit, and the beam pumping unit structurally comprises a power machine, a speed reducer, a support, a front horsehead, a walking beam body, a rear horsehead, a connecting rod beam, a crank, a balance weight of the crank, a driving rope and the like. The double-horsehead pumping unit is characterized in that a conventional machine walking beam is connected with a cross beam through a hinge, a rear horsehead with a variable-diameter circular arc is changed into a flexible connection between a steel wire rope and the cross beam, a variable-parameter four-bar mechanism is formed to transmit movement and torque, dead angles of an original mechanism are overcome, a walking beam swing angle is increased, a stroke is improved by 20% -50%, and due to the adoption of the rear arm of the variable-diameter circular arc, the working state that a balancing moment is large when a load is large and the balancing moment is small when the load is small is realized. Therefore, the purposes of strengthening balance and reducing energy consumption are achieved, the energy is saved by about 35 percent at most, and the oil field is commonly used in various large oil fields. When the well repairing operation is needed, the existing double-horsehead pumping unit cannot be moved properly so as to realize well repairing yielding, and the partially inclined pumping unit has great potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that one kind can step down when workover, and the workover risk of stepping down is little, but maintains convenient two horse head beam-pumping units of whole portable.

In order to realize the purpose, the utility model provides a technical scheme is:

an integral movable double-horsehead pumping unit comprises a base, the base is detachably fixed on a cement base, a double-horsehead pumping unit body is arranged on the base, a plurality of moving devices are arranged on the front side and the rear side of the base along the length direction of the base,

the moving device comprises a pin shaft, a wheel carrier, wheels, a top thread plate and a top thread; the pin shaft is welded and fixed with the base, the pin shaft is hinged with the wheel carrier, the wheel shaft and the wheel carrier are fixed together, the wheel shaft in the wheel carrier is rotatably connected with the wheel, the jackscrew plate is fixed on the base above the wheel carrier, the jackscrew plate and the pin shaft are arranged in a staggered mode, the jackscrew is in threaded connection with the jackscrew, and the jackscrew is in contact with the upper end of the wheel carrier.

Specifically, the double-horsehead pumping unit body comprises a motor, a speed reducer, a support, a central bearing seat, a polish rod anti-collision working horsehead, a balance horsehead, a walking beam, a speed reducer brake device and a connecting rod, wherein the motor, the speed reducer, the support and the speed reducer brake device are arranged on the base; the bracket is triangular, and the top end of the bracket is connected with the central bearing seat; the bottom end of the bracket is fixedly connected with the base; the central bearing seat is hinged with the walking beam; the polish rod anti-collision working horse head and the balancing horse head are respectively arranged at the left end and the right end of the walking beam; a belt wheel on the output shaft of the motor is connected with a belt wheel on the input shaft of the speed reducer through a belt, and two ends of the output shaft of the speed reducer are respectively fixed with a crank; a crank pin assembly is hinged to the crank; the crank pin assembly is fixedly connected with the connecting rod through a bolt; a crank counterweight is fixed on one end of the crank, which is far away from the speed reducer, and a tail bearing seat is fixedly connected below the walking beam, which is close to the balancing horse head; the tail bearing block is hinged with a cross beam; the cross beam is fixedly connected with the connecting rod; the polish rod anti-collision working horse head is connected with an oil pumping mechanism through a working steel wire rope; the balance horse head is connected with a balance device through a balance steel wire rope.

Specifically, the balancing device comprises a weight box fixedly connected with the balancing steel wire rope, and a plurality of movable counter weights are placed in the weight box.

Specifically, a plurality of pressing plates are fixed on the base along the length direction of the base, embedded bolts corresponding to the pressing plates are embedded in the cement base, the embedded bolts penetrate through the pressing plates, and nuts are connected to the embedded bolts above the pressing plates through threads.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, simple structure, convenient operation through setting up the mobile device, conveniently steps down the operation when carrying out the workover, has reduceed the risk that the workover stepped down simultaneously, has improved the work efficiency of workover operation of stepping down.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of a mobile device.

Part names in the drawings are as follows:

1-base, 2-moving device, 3-motor, 4-pressing plate, 5-reducer braking device, 6-belt, 7-cement base, 8-reducer, 9-crank, 10-crank weight, 11-crank pin assembly, 12 weight box, 13-movable weight block, 14-connecting rod, 15-balance steel wire rope, 16-balance horse head, 17-beam, 18-tail bearing seat, 19-walking beam, 20-central bearing seat, 21-bracket, 22-polish rod anti-collision working horse head, 23-working steel wire rope, 2-1-pin shaft, 2-2-wheel shaft, 2-3-wheel carrier, 2-4-wheel, 2-5-jackscrew plate and 2-6-jackscrew.

Detailed Description

As shown in fig. 1-2, a two horse head beam-pumping units of movable as a whole, including base 1, base 1 can be dismantled and fix on cement basis 7, be fixed with a plurality of clamp plates 4 along its length direction on base 1, pre-buried having the embedded bolt that corresponds with clamp plate 4 on the cement basis 7, embedded bolt runs through clamp plate 4, threaded connection has the nut on the embedded bolt of clamp plate 4 top, installs two horse head beam-pumping unit bodies on base 1, and both sides are provided with a plurality of mobile device 2 along its length direction around base 1.

The moving device 2 comprises a pin shaft 2-1, a wheel shaft 2-2, a wheel carrier 2-3, wheels 2-4, a jackscrew plate 2-5 and jackscrews 2-6; the pin shaft 2-1 is fixedly welded with the base 1, the pin shaft 2-1 is hinged with a wheel carrier 2-3, the wheel shaft 2-2 is fixed with the wheel carrier 2-3, the wheel shaft 2-2 in the wheel carrier 2-3 is rotatably connected with a wheel 2-4, the jackscrew plate 2-5 is fixed on the base 1 above the wheel carrier 2-3, the jackscrew plate 2-5 and the pin shaft 2-1 are arranged in a staggered mode, the jackscrew 2-6 is connected onto the jackscrew plate 2-5 in a threaded mode, and the jackscrew 2-6 is in contact with the upper end of the wheel carrier 2-3.

The double-horsehead pumping unit body comprises a motor 3, a speed reducer 8, a support 21, a central bearing seat 20, a polish rod anti-collision working horsehead 22, a balance horsehead 16, a walking beam 19, a speed reducer brake device 5 and a connecting rod 14, wherein the motor 3, the speed reducer 8, the support 21 and the speed reducer brake device 5 are arranged on the base 1; the bracket 21 is triangular, and the top end of the bracket 21 is connected with the central bearing seat 20; the bottom end of the bracket 21 is fixedly connected with the base 1; the central bearing seat 20 is hinged with the walking beam 19; the polish rod anti-collision working horse head 22 and the balancing horse head 16 are respectively arranged at the left end and the right end of the walking beam 19; a belt wheel on an output shaft of the motor 3 is connected with a belt wheel on an input shaft of a speed reducer 8 through a belt 6, and two ends of an output shaft of the speed reducer 8 are respectively fixed with a crank 9; a crank pin assembly 11 is hinged on the crank 9; the crank pin assembly 11 is fixedly connected with the connecting rod 14 through a bolt; a crank counterweight 10 is fixed on one end of the crank 9 far away from the speed reducer 8, and a tail bearing seat 18 is fixedly connected below the walking beam 19 and close to the balance horse head 16; the tail bearing seat 18 is hinged with a cross beam 17; the cross beam 17 is fixedly connected with the connecting rod 14; the polish rod anti-collision working horse head 22 is connected with an oil pumping mechanism through a working steel wire rope 23; the balance horse head 16 is connected with a balance device through a balance steel wire rope 15, the balance device comprises a weight box 12 fixedly connected with the balance steel wire rope 15, and a plurality of movable counter weights 13 are placed in the weight box 12.

When the balance type pumping unit works, the motor 3 drives the crank 9 on the speed reducer 8 to rotate through the belt 6, the crank 9 pulls the walking beam 19, the polish rod anti-collision working horse head 22 and the balance horse head 16 to swing through the crank pin assembly 11, the connecting rod 14, the cross beam 17 and the tail bearing seat 18, the working steel wire rope 23 on the polish rod anti-collision working horse head 22 makes up-and-down reciprocating linear motion to drive an underground oil well pump to pump oil, and the balance horse head 16 drives the weight box 12 to make up-and-down reciprocating linear motion through the balance steel wire rope 15.

When the well is repaired and the well is abducted, a nut on the embedded bolt above the pressing plate is dismounted, the jackscrew 2-6 is screwed, the jackscrew tightly props against the wheel frame 2-3, the wheel frame 2-3 rotates around the pin shaft 2-1, and then the wheel 2-4 contacts the upper plane of the cement foundation 7, when the base 1 is separated from the contact with the cement foundation 7 and the pressing plate 4 is positioned above the embedded bolt, the double-horsehead oil pumping unit can be easily and integrally moved, and a space is given out for repairing the well.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A double-horsehead pumping unit capable of moving integrally comprises a base (1), wherein the base (1) is detachably fixed on a cement foundation (7), a double-horsehead pumping unit body is arranged on the base (1), and the double-horsehead pumping unit is characterized in that a plurality of moving devices (2) are arranged on the front side and the rear side of the base (1) along the length direction of the base,

the moving device (2) comprises a pin shaft (2-1), a wheel shaft (2-2), a wheel carrier (2-3), a wheel (2-4), a top wire plate (2-5) and a top wire (2-6); the pin shaft (2-1) is welded and fixed with the base (1), the pin shaft (2-1) is hinged with a wheel carrier (2-3), a wheel shaft (2-2) is fixed with the wheel carrier (2-3), the wheel shaft (2-2) in the wheel carrier (2-3) is rotatably connected with a wheel (2-4), the jackscrew plate (2-5) is fixed on the base (1) above the wheel carrier (2-3), the jackscrew plate (2-5) and the pin shaft (2-1) are arranged in a staggered mode, the jackscrew plate (2-5) is connected with a jackscrew (2-6) in a threaded mode, and the jackscrew (2-6) is in contact with the upper end of the wheel carrier (2-3).

2. The double-horsehead pumping unit capable of moving integrally according to claim 1, is characterized in that the double-horsehead pumping unit body comprises a motor (3), a speed reducer (8), a support (21), a central bearing seat (20), a polish rod anti-collision working horsehead (22), a balance horsehead (16), a walking beam (19), a speed reducer brake device (5) and a connecting rod (14), wherein the motor (3), the speed reducer (8), the support (21) and the speed reducer brake device (5) are arranged on the base (1); the support (21) is triangular, and the top end of the support (21) is connected with the central bearing seat (20); the bottom end of the bracket (21) is fixedly connected with the base (1); the central bearing seat (20) is hinged with the walking beam (19); the polish rod anti-collision working horse head (22) and the balance horse head (16) are respectively arranged at the left end and the right end of the walking beam (19); a belt wheel on an output shaft of the motor (3) is connected with a belt wheel on an input shaft of a speed reducer (8) through a belt (6), and two ends of an output shaft of the speed reducer (8) are respectively fixed with a crank (9); a crank pin assembly (11) is hinged on the crank (9); the crank pin assembly (11) is fixedly connected with the connecting rod (14) through a bolt; a crank counterweight (10) is fixed on one end of the crank (9) far away from the speed reducer (8), and a tail bearing seat (18) is fixedly connected below the walking beam (19) and close to the balance horse head (16); a cross beam (17) is hinged on the tail bearing seat (18); the cross beam (17) is fixedly connected with the connecting rod (14); the polish rod anti-collision working horse head (22) is connected with an oil pumping mechanism through a working steel wire rope (23); the balance horse head (16) is connected with a balance device through a balance steel wire rope (15).

3. An integrally movable double horsehead pumping unit according to claim 2, characterized in that the balancing means comprises a weight box (12) fixedly connected to a balancing wire (15), a plurality of movable counterweights (13) being placed in the weight box (12).

4. The oil pumping unit with the double horseheads capable of moving integrally as claimed in claim 3, wherein the base (1) is fixed with a plurality of pressing plates (4) along the length direction thereof, embedded bolts corresponding to the pressing plates (4) are embedded in the cement foundation (7), the embedded bolts penetrate through the pressing plates (4), and nuts are connected to the embedded bolts above the pressing plates (4) through threads.