CN219061560U

CN219061560U - Elevator device for petroleum well repair

Info

Publication number: CN219061560U
Application number: CN202222557570.3U
Authority: CN
Inventors: 祝润虎
Original assignee: Jinan Wanxing Intelligent Technology Co ltd
Current assignee: Jinan Wanxing Intelligent Technology Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-05-23
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a hanging card device for petroleum well repair, and belongs to the technical field of petroleum well repair equipment. The lifting device comprises a left lifting arm, a right lifting arm, a main bearing part and lifting clamps, wherein the main bearing part is provided with a pipe hole for a pipe rod to pass through, the left lifting arm and the right lifting arm are respectively connected with the main bearing part, the lifting clamps are two oppositely arranged, the two lifting clamps are movably and symmetrically arranged on two sides of the pipe hole of the main bearing part, a channel for the pipe rod to pass through is arranged between the two lifting clamps, the two lifting clamps are respectively connected with a driving mechanism for driving the two lifting clamps to move, the inner side of the lower part of the main bearing part is provided with an oil pipe guide, the oil pipe guide is a conical hole coaxial with the pipe hole of the main bearing part, the large opening of the conical hole faces downwards, the outer side of the lower part of the main bearing part is provided with an lifting clamp guide, the lifting clamp guide is of an inverted cone structure, the upper part of the main bearing part is of a cylindrical drum structure, and the lifting clamps and the driving mechanism thereof are all positioned in the cylindrical drum structure. The utility model can be quickly and accurately butted with the pipe rod, and is not easily influenced by external wind force and the like.

Description

Elevator device for petroleum well repair

Technical Field

The utility model relates to a hanging clamp device for petroleum well repair, and belongs to the technical field of petroleum well repair equipment.

Background

In the technical field of petroleum workover equipment, an elevator is used as a tool for lifting and lowering an oil pipe (sucker rod) and is generally matched with a lifting ring of a tractor hoist. At present, a manual elevator used on a wellhead platform for manual workover belongs to a mature technology; the power elevator is used in the automatic equipment for minor repair operation, the current power elevator is extremely easy to be influenced by external environment (such as wind power, sinking of an operation vehicle and the like) in the process of being in butt joint with an oil pipe during well repair, and the elevator is difficult to be in direct butt joint with the oil pipe in the actual use process, so that the petroleum well repair operation efficiency is greatly influenced.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the hanging clamp device for the petroleum well repair, which can be quickly and accurately butted with the pipe rod.

The utility model is realized by the following technical scheme: a hanging card device for petroleum well repair is characterized in that: including left davit, right davit, main carrier, elevator, main carrier have the tube hole that supplies the pipe pole to pass through, left davit and right davit are connected with main carrier respectively, the elevator is two that set up relatively, and two elevator movably symmetry set up in the both sides of the tube hole of main carrier, is the passageway that supplies the pipe pole to pass through between two elevators, and two elevators are connected with the actuating mechanism that drives its removal respectively, and the lower part inboard of main carrier is provided with the oil pipe direction, the oil pipe direction is the coaxial bell mouth with the tube hole of main carrier, the large mouth of bell mouth is down, and the lower part outside of main carrier is provided with the elevator direction, the elevator direction is the cone structure of falling, the upper portion of main carrier is the cylinder structure, elevator and actuating mechanism all are located the cylinder structure.

In the utility model, the left suspension arm and the right suspension arm are used for being connected with the suspension ring of the tractor hoist, and the main bearing piece is used for bearing the weight of the pipe rod. The two hanging clips can drive the hanging clips to move through the driving mechanism, so that the two hanging clips can be opened and closed, the two hanging clips can clamp the pipe rod when moving relatively, and the pipe rod can be loosened when the two hanging clips move oppositely. The oil pipe guide is used for automatically aligning the center position of the elevator when the pipe rod enters the elevator device, and the upper end of the pipe rod can be guided through the conical hole of the oil pipe guide when the pipe rod enters the elevator device, so that the pipe rod can be rapidly aligned. The elevator guide can be matched with a guide device arranged on a wellhead operation platform, so that the elevator device is not easily influenced by external wind force and the like when descending to be close to a wellhead, can be rapidly positioned at the center of the wellhead, and ensures smooth butt joint with an oil pipe.

Further, the driving mechanism is an air cylinder or an oil cylinder.

Further, two groups of guide rails inclining outwards are symmetrically arranged on the main bearing piece, the two elevator are respectively in sliding fit with the two groups of guide rails, a cylinder rod of the cylinder or the oil cylinder is connected with the main bearing piece through a fixed block, and the elevator is connected with a cylinder body of the cylinder or the oil cylinder. When the cylinder or the oil cylinder acts, the two elevator can be driven to move along the guide rail respectively, so that the two elevator can be opened and closed.

Further, a limiting mechanism for limiting the lower limit position of the elevator is arranged at the bottom of the elevator. The model of the elevator clamping oil pipe can be fixed through the limiting mechanism.

Furthermore, for adapting to clamping oil pipes of different models, the limiting mechanism is a limiting pin, and a plurality of pin holes which can be matched with the limiting pin are formed in the bottom of the elevator. According to the specification of the oil pipe to be clamped, the limiting pins can be inserted into the corresponding pin holes.

Furthermore, in order to prevent the elevator from being opened accidentally and ensure the operation safety, locking devices capable of locking the elevator on the corresponding side are respectively arranged on the left suspension arm and the right suspension arm.

Further, the locking device comprises a locking air cylinder and a locking rod connected with the locking air cylinder, the locking air cylinder is fixed on the corresponding suspension arm, and a locking hole matched with the locking rod is formed in the side face of the elevator corresponding to the locking rod. When the locking cylinder acts, the locking rod can be driven to extend out and be inserted into the locking hole on the side surface of the elevator to lock the elevator.

The beneficial effects of the utility model are as follows: the utility model has reasonable structural design, and can ensure that the pipe rod can automatically align the center position of the elevator when entering the elevator device by arranging the oil pipe guide, and can be quickly aligned; the elevator guide with the inverted cone structure is arranged on the outer side of the lower part of the device and can be matched with the guide device arranged on the wellhead operation platform, so that the elevator device is not easily influenced by external wind force and the like when the elevator device descends to approach the wellhead, and can be rapidly positioned at the center of the wellhead, and smooth butt joint with an oil pipe is ensured; the type of the clamping oil pipe of the elevator can be adjusted by arranging the limiting mechanism; by arranging the locking device, the elevator can be prevented from being accidentally opened, and the safety of well repair operation can be ensured.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is a schematic cross-sectional view A-A of FIG. 1;

FIG. 5 is an enlarged schematic view of the lower portion of FIG. 1;

FIG. 6 is an enlarged schematic view of portion Z of FIG. 1;

FIG. 7 is an enlarged schematic view of the lower portion of FIG. 3;

FIG. 8 is a schematic perspective view of the present utility model;

FIG. 9 is an enlarged schematic view of the lower portion of FIG. 8;

in the figure, 1, a main bearing part, 1-1, oil pipe guiding, 1-2, elevator guiding, 1-3, a cylindrical barrel structure, 2, a guide rail, 3, a limiting mechanism, 3-1, a limiting pin, 3-2, a pin hole, 4, an air cylinder/oil cylinder, 5, an elevator, 6, a fixed block, 7, a locking device, 7-1, a locking rod, 7-2, a locking air cylinder, 8, a left suspension arm, 9, a right suspension arm, 10 and a locking hole.

Detailed Description

The utility model is further illustrated by the following non-limiting examples, in conjunction with the accompanying drawings:

as shown in the drawing, the hanging card device for petroleum well repair comprises a left hanging arm 8, a right hanging arm 9, a main bearing piece 1 and an hanging card 5. The main bearing 1 is used for bearing the weight of the pipe rod, and the main bearing 1 is provided with pipe holes for the pipe rod to pass through. The left suspension arm 8 and the right suspension arm 9 are respectively connected to two sides of the main bearing piece 1, and the left suspension arm 8 and the right suspension arm 9 are used for being connected with a hanging ring of the tractor hoist. The two hanging cards 5 are oppositely arranged, the two hanging cards 5 are movably and symmetrically arranged on two sides of the pipe hole of the main bearing piece 1, a channel for a pipe rod to pass through is arranged between the two hanging cards 5, and the two hanging cards 5 are respectively connected with a driving mechanism for driving the two hanging cards to move. The two lifting clamps 5 can move relatively under the drive of the drive mechanism, so that the pipe rod can be clamped, and when the two lifting clamps 5 move oppositely under the drive of the drive mechanism, the pipe rod can be loosened. The driving mechanism for driving the elevator 5 to move may be any driving mechanism in the prior art, and the driving mechanism is a cylinder/oil cylinder 4 in this embodiment. In this embodiment, two groups of guide rails 2 inclined outwards are symmetrically arranged on the main bearing member 1, two fixing blocks 6 are symmetrically arranged on two sides of a pipe hole of the main bearing member 1, the guide rails 2 are connected with the corresponding side surfaces of the fixing blocks 6 through bolts, two elevator 5 are respectively in sliding fit with the corresponding guide rail groups, a cylinder rod of the cylinder/oil cylinder 4 is connected with the corresponding fixing blocks through bolts, and the elevator 5 is connected with a cylinder body of the cylinder/oil cylinder 4. When the cylinder/oil cylinder 4 acts, the elevator 5 can be driven to slide along the guide rail 2, so that the two elevators 5 can be opened or closed to clamp or loosen the pipe rod. In order to facilitate the adjustment of the model of the clamping pipe rod of the elevator, a limiting mechanism 3 for limiting the lower limit position of the elevator is arranged at the bottom of the elevator 5 in the embodiment, the limiting mechanism 3 comprises a limiting pin 3-1, and a plurality of pin holes 3-2 which can be matched with the limiting pin 3-1 are arranged at the bottom of the elevator 5. According to different types of pipe rods, corresponding pin holes can be selected for inserting limiting pins, and the limiting pin 3-1 is matched with the fixed block 6 to limit the elevator 5. In order to prevent the elevator from being accidentally opened when the elevator lifts the pipe rod, in this embodiment, locking devices 7 capable of locking the elevator on the corresponding sides are respectively arranged on the left suspension arm 8 and the right suspension arm 9, the locking devices 7 comprise locking cylinders 7-2 and locking rods 7-1 connected with the locking cylinders 7-2, the locking cylinders 7-2 are fixed on the corresponding suspension arms, and locking holes 10 capable of being matched with the locking rods 7-1 are arranged on the side surfaces of the elevator 5 corresponding to the locking rods 7-1. The locking holes 10 are formed in a plurality of ways according to different pipe rod types to be clamped, and the different pipe rod types correspond to the different locking holes 10. The inner side of the lower part of the main bearing piece 1 is provided with an oil pipe guide 1-1, the oil pipe guide 1-1 is a conical hole coaxial with a pipe hole of the main bearing piece 1, a large opening of the conical hole faces downwards, the outer side of the lower part of the main bearing piece 1 is provided with an elevator guide 1-2, the elevator guide 1-2 is of an inverted cone structure, the upper part of the main bearing piece 1 is of a cylindrical barrel structure 1-3, and the elevator 5 and a driving mechanism thereof are both positioned in the cylindrical barrel structure 1-3. The oil pipe guide 1-1 is used for automatically aligning the center position of the elevator when the pipe rod enters the elevator. The elevator guide 1-2 is used for being matched with a guide device arranged at a wellhead.

When the elevator is used, the guide device which can be matched with the elevator guide 1-2 is arranged at the wellhead.

When the utility model is used for lifting oil pipes from oil wells, the utility model can be used for:

when the lifting ring on the derrick drives the lifting device to move downwards through power, a certain deviation can exist between the center of the lifting device and the center of an oil pipe, the lifting device is lowered to the guide device at the wellhead, the center of the lifting device is gradually aligned with the wellhead under the action of the guide device at the wellhead through the lifting guide 1-2 at the lower part of the lifting device, the lifting device is continuously lowered, the oil pipe is automatically aligned to the center of the lifting device through the oil pipe guide 1-1 at the lower part of the lifting device until the upper part of the oil pipe is exposed from the lifting device, the two lifting devices 5 are closed under the driving of the driving mechanism of the coupling, the locking device 7 locks the lifting device, the lifting device is prevented from suddenly loosening, the pneumatic (hydraulic) dynamic slips are opened, the lifting ring drives the lifting device to move upwards to a designated position through power, the pneumatic (hydraulic) dynamic slips are closed, the hydraulic back tongs loosen the two oil pipe threads, the oil pipe grabbing device grabs and fixes the oil pipe in the vertical direction, the locking device 7 removes the lifting locking state, the two lifting devices are opened, the lifting ring is driven to move upwards to the uppermost part of the oil pipe through power, the lifting ring is separated from the oil pipe, and the lifting device is pulled out, and one oil pipe is removed. The hanging ring drives the elevator device to move downwards through power so as to reciprocate.

When the utility model is used for descending oil pipe into oil well:

the lifting ring on the derrick drives the elevator device to wait at the highest set position through power, the oil pipe grabbing device sends the oil pipe to a vertical state (at the moment, the center of the oil pipe is basically overlapped with the center of a wellhead), the lifting ring drives the elevator device to move downwards through power (the center of the elevator and the center of the oil pipe can deviate), the oil pipe enters the elevator device, the center of the elevator device is gradually overlapped with the center of the oil pipe under the action of an oil pipe guide 1-1 at the lower part of the elevator device until the coupling at the upper part of the oil pipe is exposed from the elevator, the two elevators 5 are closed under the driving of the driving mechanism of the two elevators 5, the locking device 7 locks the elevators 5 to prevent the sudden loosening of the elevators 5, the elevator device drives the oil pipe to descend to the set position, the hydraulic back tongs screw the two oil pipes to be screwed tightly, the pneumatic (hydraulic) dynamic slips are opened, the elevator device drives the oil pipe to descend to the set position, the pneumatic (hydraulic) dynamic slips are closed, the locking device 7 removes the locking state of the elevators, the driving mechanism of the two elevators 5 is opened, and the lifting ring is driven to move upwards to the set position, and thus the pipe laying operation of the oil pipe is completed.

Other parts in this embodiment are all of the prior art, and are not described herein.

Claims

1. A hanging card device for petroleum well repair is characterized in that: including left davit, right davit, main carrier (1), elevator (5), main carrier (1) have the tube hole that supplies the pipe pole to pass through, left davit and right davit are connected with main carrier (1) respectively, elevator (5) are two of relative setting, and two elevator (5) movably symmetry set up in the both sides of the tube hole of main carrier (1), are the passageway that supplies the pipe pole to pass through between two elevator (5), and two elevator (5) are connected with the actuating mechanism that drives its removal respectively, and the lower part inboard of main carrier (1) is provided with oil pipe direction (1-1), oil pipe direction (1-1) are the bell mouth coaxial with the tube hole of main carrier (1), the big mouth of bell mouth down, the lower part outside of main carrier (1) is provided with elevator direction (1-2), elevator direction (1-2) are the back cone structure, the upper portion of main carrier (1) is the cylinder section of thick bamboo structure, elevator (5) and actuating mechanism all are located cylinder section of thick bamboo structure.

2. The hanging card device for petroleum well repair according to claim 1, characterized in that: the driving mechanism is an air cylinder or an oil cylinder.

3. The hanging card device for petroleum well repair according to claim 2, characterized in that: two groups of guide rails inclining outwards are symmetrically arranged on the main bearing piece (1), two elevator (5) are respectively in sliding fit with the two groups of guide rails, a cylinder rod of a cylinder or an oil cylinder is connected with the main bearing piece (1) through a fixed block (6), and the elevator (5) is connected with a cylinder body of the cylinder or the oil cylinder.

4. A hanging card device for petroleum well repair according to claim 1 or 2 or 3, characterized in that: a limiting mechanism for limiting the lower limit position of the elevator is arranged at the bottom of the elevator (5).

5. The hanging card device for petroleum well repair according to claim 4, characterized in that: the limiting mechanism is a limiting pin, and a plurality of pin holes which can be matched with the limiting pin are formed in the bottom of the elevator (5).

6. The hanging card device for petroleum well repair according to claim 4, characterized in that: locking devices (7) capable of locking the elevator at the corresponding sides are respectively arranged on the left suspension arm and the right suspension arm.

7. The hanging card device for petroleum well repair according to claim 6, characterized in that: the locking device comprises a locking air cylinder (7-2) and a locking rod (7-1) connected with the locking air cylinder (7-2), wherein the locking air cylinder (7-2) is fixed on a corresponding suspension arm, and a locking hole matched with the locking rod (7-1) is formed in the side face of the elevator (5) corresponding to the locking rod (7-1).