CN218265875U

CN218265875U - Tower type oil pumping unit

Info

Publication number: CN218265875U
Application number: CN202222762598.0U
Authority: CN
Inventors: 王付全
Original assignee: Individual
Current assignee: Karamay City Shengqi Drilling Equipment Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-01-10
Anticipated expiration: 2032-10-17

Abstract

The utility model relates to an oil recovery equipment technical field, concretely relates to tower frame formula beam-pumping unit. The hoisting device comprises a foundation, the basis upper end is fixed with the base, be provided with the pylon on the base, one side that the pylon lower extreme is close to the well head is connected with the base hinge, the pylon upper end rotates and is connected with the head sheave, it is provided with the counter weight to slide in the pylon, wire rope one end is connected with the polished rod eye, the wire rope other end is connected with counter weight fixed connection after walking around the head sheave, be provided with the drive arrangement who is used for driving counter weight up-and-down motion on the pylon, the pylon wholly is vertical state, pylon lower extreme right side is fixed with the backup pad, be provided with between backup pad lower extreme and the base and allow the pylon rotatory and make the clearance that produces the well workover space after head sheave and the well head dislocation, it has the location wedge to peg in the interpolation of shown clearance. The utility model discloses make the pylon keep vertical state at the during operation, make the slope of pylon upper end and let out the well workover position when the well workover, the beam-pumping unit during operation, the structural strength of pylon is high, and stability can be good.

Description

Tower type oil pumping unit

Technical Field

The utility model relates to an oil recovery equipment technical field, concretely relates to tower frame formula beam-pumping unit.

Background

The walking beam type pumping unit is generally used in the petroleum industry in ground oil collecting equipment in the petroleum field, but has the defects of low production efficiency, small stroke, high use energy consumption and large occupied area. In order to save resources and reduce energy consumption, the tower-type pumping unit is produced at the beginning of transportation, and the tower-type pumping unit has lower energy consumption and higher oil collecting efficiency compared with a beam pumping unit under the same working condition and use parameters, but the existing tower-type pumping unit also has some problems.

In a patent with the application number of CN201921303743.0 and the invention name of 'a mechanical reversing type pumping unit with no beam tower type', the mechanical reversing type pumping unit with no beam tower type inclines towards one side of a wellhead at the upper end of a rack during working, meanwhile, an inclination adjusting block for supporting the right side of the lower end of the rack is arranged on a base, and the upper end of the rack and the base are connected by utilizing an inclined supporting rod, so that the stability of the rack during working is kept. Because no walking beam tower posture mechanical reversing type beam-pumping unit wholly inclines at the during operation frame, therefore, frame overall structure intensity is lower, the stability of no walking beam tower posture mechanical reversing type beam-pumping unit in-process frame is low, stabilize the frame in order to set up the bracing piece of slope, the basis and the base of no walking beam tower posture mechanical reversing type beam-pumping unit need be lengthened, consequently, the cost of erectting of no walking beam tower posture mechanical reversing type beam-pumping unit has been increased, can occupy the space on the base after the bracing piece installation of slope, inconvenient follow-up motor to no walking beam tower posture mechanical reversing type beam-pumping unit, reduction gear or counter weight etc. are maintained.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that one kind can reduce and erect the cost, improves the stability of beam-pumping unit during operation, can increase the structural strength of pylon in the beam-pumping unit working process, and the convenient pylon formula beam-pumping unit that carries out maintenance such as motor, reduction gear or counter weight to the beam-pumping unit.

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

the utility model provides a tower frame formula beam-pumping unit, which comprises a foundation, the basis upper end is fixed with the base, be provided with the pylon on the base, one side that the pylon lower extreme is close to the well head is connected with the base hinge, the pylon upper end rotates and is connected with the head sheave, it is provided with the counter weight to slide in the pylon, wire rope one end is connected with the polished rod eye, the wire rope other end is connected with counter weight fixed connection after walking around the head sheave, be provided with the drive arrangement who is used for driving counter weight reciprocating motion from top to bottom on the pylon, the pylon wholly is vertical state, pylon lower extreme right side is fixed with the backup pad, be provided with between backup pad lower extreme and the base and allow the pylon rotatory and make the head sheave and the well head dislocation after produce the clearance of repairing the well space, it has the location sloping iron to peg graft in the clearance, location sloping iron upper end and backup pad lower extreme contact, location sloping iron lower extreme and base upper end contact, set up horizontal last slot hole on the location sloping iron, set up the lower slot hole that is parallel with last slot hole and correspond on the base, the backup pad lower extreme sets up the round hole that corresponds with last slot hole, the bolt runs through the round hole, the bolt runs through bolt fixed connection, the backup pad, location sloping iron and base passes through bolt.

Specifically, one side of the lower end of the tower frame, which is close to the wellhead, is hinged with the base through a pin shaft.

Specifically, drive arrangement is including fixing the motor in the pylon lower extreme, and the pylon internal rotation is connected with the sprocket, and the pylon internal rotation that goes up the sprocket below is connected with down the sprocket, goes up the sprocket and passes through the chain with lower sprocket and connects, is fixed with reversing mechanism on the counter weight, and reversing mechanism rotates with the chain through the turning shaft to be connected, and the pylon lower extreme is fixed with the reduction gear, and the output shaft and the lower sprocket of reduction gear are connected, and the output shaft of motor is connected with the input shaft of reduction gear.

Specifically, a brake device for braking an input shaft of the speed reducer is arranged on the tower.

Specifically, the lower end face of the supporting plate is an upper inclined face with the right side inclined upwards, the upper end face of the positioning inclined iron is a lower inclined face with the right end inclined upwards, and the upper inclined face is in tight abutting contact with the lower inclined face.

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

1. the utility model discloses make the pylon keep vertical state at the during operation, make the slope of pylon upper end and let out the well workover position when the well workover, the beam-pumping unit during operation because the pylon is in under the vertical state, the structural strength of pylon is high, and stability can be good.

2. The backup pad passes through bolted connection with the base to utilize the location tapered iron to support backup pad and base, during the workover, not hard up bolt and will fix a position the tapered iron and take out, afterwards, the pylon upper end can incline and let out the workover position to the right side direction, consequently, this beam-pumping unit conveniently carries out the workover, and before the workover was crossed, the locking bolt can prevent that the pylon of slope from rotating, has improved the security of workover in-process.

3. The support rod for connecting the base and the tower is eliminated, so that the operable space on the right side of the tower is increased, and the motor, the speed reducer or the balance weight of the pumping unit and the like can be maintained conveniently. Because need not to make bracing piece and base be connected, consequently can reduce the whole length of base and basis, can reduce the cost of erectting of this beam-pumping unit.

Drawings

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

Fig. 2 is a left side view of the present invention.

Fig. 3 is a schematic structural view of the present invention during well workover yielding.

Fig. 4 is a front view of the positioning wedge.

Fig. 5 is a top view of the positioning wedge.

Part names in the drawings are as follows:

1. foundation

2. Base seat

3. Well head

4. Tower frame

5. Positioning wedge

6. Pin shaft

7. Speed reducer

8. Balance weight

9. Head sheave

10. Steel wire rope

11. Upper chain wheel

12. Lower chain wheel

13. Electrical machine

14. Chain

15. Supporting plate

16. And an upper long hole.

Detailed Description

As shown in fig. 1, 2, 4 and 5, a tower pumping unit comprises a foundation 1, a base 2 is fixed at the upper end of the foundation 1, a tower 4 is arranged on the base 2, one side of the lower end of the tower 4, which is close to a wellhead 3, is hinged with the base 2 through a pin shaft 6, a head sheave 9 is rotatably connected at the upper end of the tower 4, a counterweight 8 is slidably arranged in the tower 4, one end of a steel wire rope 10 is connected with a rope hanger, the other end of the steel wire rope 10 bypasses the head sheave 9 and then is fixedly connected with the counterweight 8, a driving device for driving the counterweight 8 to reciprocate up and down is arranged on the tower 4, the driving device comprises a motor 13 fixed in the lower end of the tower 4, an upper chain wheel 11 is rotatably connected in the tower 4, a lower chain wheel 12 is rotatably connected in the tower 4 below the upper chain wheel 11, the upper chain wheel 11 and the lower chain wheel 12 are connected through a chain 14, a reversing mechanism is fixed on the counterweight 8, the reversing mechanism is rotatably connected with the chain 14 through a turning shaft, a speed reducer 7 is fixed at the lower end of the tower 4, an output shaft of the speed reducer 7 is connected with the lower chain wheel 12, and an input shaft of the motor 13 is connected with an input shaft of the speed reducer 7. The tower 4 is provided with a brake device for braking the input shaft of the speed reducer 7, when the speed reducer 7 or the motor 13 is maintained, the input shaft of the speed reducer 7 is locked by the brake device, and safety accidents caused by the downward movement of the counterweight 8 in the maintenance process of the motor 13 and the speed reducer 7 can be prevented.

The whole pylon 4 is vertical, a supporting plate 15 is fixed on the right side of the lower end of the pylon 4, a gap which allows the pylon 4 to rotate and enables the head sheave 9 and the wellhead 3 to generate a well repair space after dislocation is arranged between the lower end of the supporting plate 15 and the base 2, a positioning wedge 5 is inserted in the gap, the upper end of the positioning wedge 5 is in contact with the lower end of the supporting plate 15, the lower end of the positioning wedge 5 is in contact with the upper end of the base 2, a transverse upper long hole 16 is formed in the positioning wedge 5, a lower long hole which is parallel to and corresponds to the upper long hole 16 is formed in the base 2, a round hole which corresponds to the upper long hole 16 is formed in the lower end of the supporting plate 15, a bolt penetrates through the round hole, the upper long hole 16 and the lower long hole, the supporting plate 15, the positioning wedge 5 and the base 2 are fixedly connected through bolts. The lower end face of the supporting plate 15 is an upper inclined face with the right side inclined upwards, the upper end face of the positioning wedge 5 is a lower inclined face with the right end inclined upwards, and the upper inclined face is in tight abutting contact with the lower inclined face.

As shown in fig. 3, when needing to carry out workover and abdicating, separate rope hanger and sucker rod, utilize the jack to support 4 lower extremes right sides of pylon, will fix a position the sloping iron 5 and take off behind the not hard up bolt, then make the ejector pin of jack retract, the in-process that the ejector pin of jack retracts, pylon 4 upper end is rotatory to the right side direction, and then produce the workover space after making sky wheel 9 misplace with well head 3, then tighten the bolt, utilize the bolt to stabilize the pylon 4 of slope, prevent workover in-process pylon 4 from rotating, workover in-process pylon 4's stability can be good, and the security is high.

This beam-pumping unit makes pylon 4 keep vertical state at the during operation, makes the slope of pylon 4 upper end and lets out the well workover position when the well workover, and the beam-pumping unit during operation because pylon 4 is under vertical state, and pylon 4's structural strength is high, and stability can be good.

Backup pad 15 passes through bolted connection with base 2 to utilize location wedge 5 to support backup pad 15 and base 2, during the well workover, not hard up bolt will fix a position wedge 5 and take out, afterwards, the 4 upper ends of pylon can incline and let out the well workover position to the right side direction, consequently, this beam-pumping unit conveniently carries out the well workover, before the well workover, the locking bolt, pylon 4 that can prevent to incline rotates, has improved the security of well workover in-process.

The supporting rod for connecting the base 2 and the tower frame 4 is eliminated, so that the operable space on the right side of the tower frame 4 is increased, and the motor 13, the speed reducer 7 or the balance weight 8 of the oil pumping unit and the like can be maintained conveniently. Because need not to make the bracing piece be connected with base 2, consequently can reduce base 2 and the whole length of basis 1, can reduce the cost of erectting of this beam-pumping unit.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. A tower frame type oil pumping machine comprises a foundation (1), a base (2) is fixed at the upper end of the foundation (1), a tower frame (4) is arranged on the base (2), one side, close to a well head (3), of the lower end of the tower frame (4) is hinged with the base (2), a head sheave (9) is rotatably connected at the upper end of the tower frame (4), a balance weight (8) is arranged in the tower frame (4) in a sliding manner, one end of a steel wire rope (10) is connected with a rope hanger, the other end of the steel wire rope (10) bypasses the head sheave (9) and then is fixedly connected with the balance weight (8), a driving device for driving the balance weight (8) to reciprocate up and down is arranged on the tower frame (4), the whole tower frame (4) is in a vertical state, a supporting plate (15) is fixed at the right side of the lower end of the tower frame (4), a gap which allows the tower frame (4) to rotate and enables the head sheave (9) to be staggered with the well head (3) to generate a well repairing space is arranged between the tower frame (4) is inserted, a positioning wedge (5) is inserted in the gap, the positioning wedge (5), the upper end of the positioning wedge (5) is in contact with a long hole (16) which is arranged on the upper end of the base, and is parallel to an upper portion of the base (2), the lower end of the supporting plate (15) is provided with a round hole corresponding to the upper long hole (16), a bolt penetrates through the round hole, the upper long hole (16) and the lower long hole, and the supporting plate (15), the positioning wedge (5) and the base (2) are fixedly connected through the bolt.

2. The tower pumping unit according to claim 1, wherein the lower end of the tower (4) is hinged to the base (2) through a pin (6) at a side close to the wellhead (3).

3. The tower-type pumping unit according to claim 1, wherein the driving device comprises a motor (13) fixed in the lower end of the tower (4), an upper chain wheel (11) is rotatably connected in the tower (4), a lower chain wheel (12) is rotatably connected in the tower (4) below the upper chain wheel (11), the upper chain wheel (11) and the lower chain wheel (12) are connected through a chain (14), a reversing mechanism is fixed on the counterweight (8), the reversing mechanism is rotatably connected with the chain (14) through a turning shaft, a speed reducer (7) is fixed at the lower end of the tower (4), an output shaft of the speed reducer (7) is connected with the lower chain wheel (12), and an output shaft of the motor (13) is connected with an input shaft of the speed reducer (7).

4. A tower pumping unit according to claim 3, wherein the tower (4) is provided with a brake device for braking the input shaft of the speed reducer (7).

5. The tower type oil pumping unit as claimed in claim 1, wherein the lower end surface of the support plate (15) is an upper inclined surface with an upward right inclined surface, the upper end surface of the positioning wedge (5) is a lower inclined surface with an upward right inclined surface, and the upper inclined surface is in tight contact with the lower inclined surface.