CN216381265U

CN216381265U - Hydraulic elevator suitable for petroleum workover rig

Info

Publication number: CN216381265U
Application number: CN202122910293.5U
Authority: CN
Inventors: 赫英; 李璇; 寇富; 杨桂贤; 张晓菊
Original assignee: Songyuan Daqing Oilfield Automobile Refitting Co ltd
Current assignee: Songyuan Daqing Oilfield Automobile Refitting Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-04-26
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses a hydraulic elevator suitable for an oil workover rig, which comprises a tong body, wherein lock rods are fixedly arranged on two sides of the tong body, a jaw is fixedly arranged on the upper end surface of the tong body, a coupling detector is fixedly arranged in the jaw, slips are fixedly arranged at the inner ends of two sides of the jaw, driving cylinders are fixedly connected to opposite sides of the two slips, a locking block is rotatably arranged at the front end of the tong body, a pull rod is fixedly connected to the front end surface of the locking block, a connecting plate is fixedly sleeved on the pull rod, one end, far away from the pull rod, of the connecting plate is hinged with a driving hydraulic cylinder, and suspenders are movably sleeved on two sides of the tong body. The elevator device is simple in structure and convenient to control, has an automatic detection function, can determine to lock an oil pipe, improves the safety of the device, can realize turning function adjustment, and is time-saving and labor-saving in use.

Description

Hydraulic elevator suitable for petroleum workover rig

Technical Field

The utility model relates to the technical field of petroleum well workover, in particular to a hydraulic elevator suitable for a petroleum well workover rig.

Background

In each construction process of petroleum and natural gas exploration and development, well repair operation is an important link, and the traditional well repair equipment is generally driven by a diesel engine, so that the operation efficiency is low, the energy consumption is high, and the emission is large; in the well repairing process, on one hand, the well repairing overflow liquid seriously pollutes the environment, and since the implementation of a new environmental protection method in 2015, the national pollution problem control on each link of petroleum exploration and development is increasingly strict, and the environment protection situation of well repairing operation is very severe; on the other hand, well repair operation generally adopts frequent manual repeated operation, the automation degree is low, the labor intensity is high, and the labor cost is increased year by year. At present, workover operation not only faces the policy problem of the environmental protection industry, but also feels the pressure of increasing operation cost, and the traditional workover equipment and operation mode are more and more difficult to adapt to the requirements of modern workover operation on intelligence, energy conservation and environmental protection.

In the oil field well workover operation in-process, the tubular column lifting means that currently generally uses mostly is manual formula elevator, needs the manual work to operate the switching of accomplishing the elevator, and workman intensity of labour is big, especially because the operation of putting down frequently, the workman must operate at the well head, has increased workman's burden to bring the potential safety hazard. Meanwhile, as the manual elevator used in the workover operation lacks a buckling safety device, the accident that the tubular column falls and hurts people due to the accidental opening of the elevator is easily caused in the process of lifting and lowering the tubular column clamped by the elevator, and therefore the hydraulic elevator suitable for the petroleum workover rig is provided for improvement.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a hydraulic elevator suitable for an oil well repairing machine.

In order to achieve the purpose, the utility model adopts the following technical scheme: a hydraulic elevator suitable for an oil workover rig comprises a tong body, lock levers are fixedly arranged on two sides of the tong body, a jaw is fixedly arranged on the upper end face of the tong body, a coupling detector is fixedly arranged in the jaw, slips are fixedly arranged at the inner ends of two sides of the jaw, a driving cylinder is fixedly connected with one side of each of the two slips opposite to each other, a lock block is rotatably arranged at the front end of the tong body, a pull rod is fixedly connected with the front end face of the lock block, a connecting plate is fixedly connected onto the pull rod, one end of the connecting plate, away from the pull rod, is hinged with a driving hydraulic cylinder, suspenders are movably sleeved on two sides of the tong body, a control box is fixedly arranged on one side of each suspender, a hydraulic cylinder starter, a PLC (programmable logic controller) and a cylinder are respectively and fixedly arranged at the inner end of the control box, an adjusting lever is rotatably connected at the lower end face of the control box, a connecting rod is rotatably connected with the lower end face of the adjusting lever, the lower end of the connecting rod is rotatably connected with a connecting arm.

As a further description of the above technical solution:

the front end of one side of the clamp body is fixedly connected with a connecting rod, and the other end of the driving hydraulic cylinder is hinged with the connecting rod.

As a further description of the above technical solution:

the driving hydraulic cylinder is electrically connected with the hydraulic cylinder starter.

As a further description of the above technical solution:

the driving cylinder is electrically connected with the cylinder starter.

As a further description of the above technical solution:

coupling detector, pneumatic cylinder starter and cylinder starter all with PLC controller electric connection.

As a further description of the above technical solution:

and a connecting ring is fixedly connected to one side of the control box and fixedly sleeved on the outer wall of the suspender.

As a further description of the above technical solution:

the lower end of the connecting arm is fixedly connected with one side of the clamp body.

As a further description of the above technical solution:

the adjusting rod is externally connected with a servo motor.

The utility model has the following beneficial effects:

1. the hydraulic elevator suitable for the petroleum workover rig provided by the utility model adopts the starting slips and the hydraulic elevator to work in a matching way, so that the automatic clamping, lifting and lowering actions of a pipe and a rod are completed, the automatic positioning and clamping of the slips and the suspension positioning of the elevator are realized through the coupling detector, and meanwhile, the starting of the cylinder starter and the hydraulic cylinder starter can be controlled through the PLC controller, so that the actions of the driving cylinder and the driving hydraulic cylinder are correspondingly controlled, the action self-locking of the slips and the elevator is realized, and the safety of the cooperative work of a lifting system is ensured.

2. According to the hydraulic elevator suitable for the petroleum workover rig, the control box is internally provided with the servo motor to drive the adjusting rod to rotate, and the connecting arm can be pulled up through the connecting rod, so that one side of the clamp body is pulled up to enable the clamp body to turn over, and the hydraulic elevator is convenient to adjust.

3. The hydraulic elevator device is simple in structure and convenient to control, has an automatic detection function, can determine and lock an oil pipe, improves the safety of the device, can realize turning function adjustment, is time-saving and labor-saving in use, and is worthy of great popularization and application.

Drawings

FIG. 1 is a schematic diagram of a main structure of a hydraulic elevator suitable for an oil well servicing rig according to the present invention;

FIG. 2 is a schematic view of a connection structure of a driving hydraulic cylinder of a hydraulic elevator for an oil well servicing rig according to the present invention;

FIG. 3 is a simplified internal structure diagram of a jaw of a hydraulic elevator suitable for an oil well servicing rig according to the present invention;

FIG. 4 is a schematic diagram of a controller connection structure of a hydraulic elevator for an oil well servicing rig according to the present invention;

fig. 5 is a schematic diagram of a lifting structure of a hydraulic elevator suitable for an oil well workover rig according to the present invention.

Illustration of the drawings:

1. a clamp body; 2. a lock lever; 3. a jaw; 4. a collar detector; 5. slips; 6. a driving cylinder; 7. a locking block; 8. a pull rod; 9. a connecting plate; 10. driving the hydraulic cylinder; 11. a connecting rod; 12. a hydraulic cylinder starter; 13. a PLC controller; 14. a cylinder starter; 15. a boom; 16. a control box; 17. adjusting a rod; 18. a connecting rod; 19. a connecting arm; 20. and (7) connecting rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, one embodiment of the present invention is provided: a hydraulic elevator suitable for an oil workover rig comprises a clamp body 1, lock levers 2 are fixedly arranged on both sides of the clamp body 1, a jaw 3 is fixedly arranged on the upper end face of the clamp body 1, a coupling detector 4 is fixedly arranged in the jaw 3, slips 5 are fixedly arranged at the inner ends of both sides of the jaw 3, driving cylinders 6 are fixedly connected with the opposite sides of the two slips 5, a locking block 7 is rotatably arranged at the front end of the clamp body 1, a pull rod 8 is fixedly connected with the front end face of the locking block 7, a connecting plate 9 is fixedly sleeved on the pull rod 8, a driving hydraulic cylinder 10 is hinged with the end of the connecting plate 9 far away from the pull rod 8, suspenders 15 are movably sleeved on both sides of the clamp body 1, a control box 16 is fixedly arranged on one side of one of the suspenders 15, a hydraulic cylinder starter 12, a PLC (programmable logic controller) 13 and a hydraulic cylinder starter 14 are respectively fixedly arranged at the inner end of the control box 16, an adjusting lever 17 is rotatably connected at the lower end face of the adjusting lever 17, a connecting rod 18 is rotatably connected with the adjusting lever, the lower end of the connecting rod 18 is rotatably connected with a connecting arm 19.

The front end of one side of the clamp body 1 is fixedly connected with a connecting rod 11, and the other end of the driving hydraulic cylinder 10 is hinged with the connecting rod 11.

The driving hydraulic cylinder 10 is electrically connected to a hydraulic cylinder actuator 12.

The driving cylinder 6 is electrically connected to a cylinder actuator 14.

The coupling detector 4, the hydraulic cylinder starter 12 and the air cylinder starter 14 are electrically connected with the PLC 13.

A connecting ring 20 is fixedly connected to one side of the control box 16, and the connecting ring 20 is fixedly sleeved on the outer wall of the suspender 15.

The lower end of the connecting arm 19 is fixedly connected with one side of the forceps body 1.

The adjusting rod 17 is externally connected with a servo motor, and the PLC 13 cooperatively controls the externally connected servo motor to drive the adjusting rod 17 to rotate and adjust.

The working principle is as follows: when the device is used, the PLC 13 controls the hydraulic cylinder starter 12 and the pneumatic cylinder starter 14 to start, so that the action of the driving hydraulic cylinder 10 and the driving air cylinder 6 is correspondingly controlled, the driving hydraulic cylinder 10 drives the pull rod 8 to move through the connecting plate 9, the locking block 7 is further driven to be opened and closed, then the driving air cylinder 6 drives the slips 5 to clamp the pipe and the rod, the automatic clamping of the pipe and the rod is completed, the external servo motor drives the adjusting rod 17 to rotate, the connecting rod 18 is pulled up, one end of the connecting arm 19 is further driven to be pulled up, finally, one side of the pincer body 1 is pulled up to realize the overturning adjustment of the pincer body, meanwhile, the detection can be carried out according to data fed back by the coupling detector 4, and the safety of the device is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a hydraulic elevator suitable for oil workover rig, includes pincers body (1), its characterized in that: pincers body (1) both sides are all fixed and are provided with locking lever (2), pincers body (1) up end is fixed has been seted up and has been kept silent (3), keep silent (3) inside fixed coupling detector (4) that is provided with, keep silent (3) both sides inner all fixed slips (5) that are provided with, two the equal fixedly connected with in one side of the back of the body of slips (5) mutually drives actuating cylinder (6), pincers body (1) front end rotates and is provided with locking piece (7), terminal surface fixedly connected with pull rod (8) before locking piece (7), the fixed connecting plate (9) that has cup jointed on pull rod (8), pull rod (8) one end is kept away from in connecting plate (9) is articulated to have drive pneumatic cylinder (10), pincers body (1) both sides all movable sleeve are equipped with jib (15), one of them jib (15) one side is fixed and is provided with control box (16), control box (16) inner is fixed respectively be provided with pneumatic cylinder starter (12), PLC controller (13) and cylinder starter (14), control box (16) lower extreme rotates and is connected with regulation pole (17), the terminal surface rotates and is connected with connecting rod (18) under regulation pole (17), connecting rod (18) lower extreme rotates and is connected with linking arm (19).

2. The hydraulic elevator adapted for use in an oil well servicing machine of claim 1, wherein: the front end of one side of the clamp body (1) is fixedly connected with a connecting rod (11), and the other end of the driving hydraulic cylinder (10) is hinged to the connecting rod (11).

3. The hydraulic elevator adapted for use in an oil well servicing machine of claim 1, wherein: the driving hydraulic cylinder (10) is electrically connected with the hydraulic cylinder starter (12).

4. The hydraulic elevator adapted for use in an oil well servicing machine of claim 1, wherein: the driving cylinder (6) is electrically connected with the cylinder starter (14).

5. The hydraulic elevator adapted for use in an oil well servicing machine of claim 1, wherein: and the coupling detector (4), the hydraulic cylinder starter (12) and the cylinder starter (14) are electrically connected with the PLC (13).

6. The hydraulic elevator adapted for use in an oil well servicing machine of claim 1, wherein: one side of the control box (16) is fixedly connected with a connecting ring (20), and the connecting ring (20) is fixedly sleeved on the outer wall of the suspender (15).

7. The hydraulic elevator adapted for use in an oil well servicing machine of claim 1, wherein: the lower end of the connecting arm (19) is fixedly connected with one side of the clamp body (1).

8. The hydraulic elevator adapted for use in an oil well servicing machine of claim 1, wherein: the adjusting rod (17) is externally connected with a servo motor.