CN219156455U

CN219156455U - Liftable operating room and under-pressure workover rig

Info

Publication number: CN219156455U
Application number: CN202223611216.0U
Authority: CN
Inventors: 贺帅; 孟大为; 张春辉; 禹东方; 张平; 巩丽琴; 韩永凤; 李潭; 于小童; 曹传福; 周玉林; 吴涛; 才智奇
Original assignee: Taian Aerospace Special Vehicle Co ltd
Current assignee: Taian Aerospace Special Vehicle Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-09
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a liftable operating room and a pressurized workover rig, wherein the liftable operating room comprises an operating room, a mounting platform, a lifting mechanism, an electric control mechanism, a hydraulic system and a fixed base, wherein the operating room is fixedly arranged on the mounting platform, the bottom of the lifting mechanism is connected to the fixed base, the top of the lifting mechanism is connected to the mounting platform, and the electric control mechanism is fixedly arranged on the fixed base and comprises a hydraulic pump and a motor; the lifter forms a scissor structure; the electric control mechanism drives the lifting mechanism through the hydraulic system to realize the lifting of the operating room and the mounting platform. The lifting operation room provided by the utility model is arranged in the middle of a vehicle, and when the vehicle is transported, the operation room is lowered to the lowest point and fixed, so that the lifting and falling of the derrick are not influenced. During workover, the lifting mechanism is used for improving the height of the table top of the operation room, so that the problem of sight obstruction of a winch, a turntable transmission box and the like is solved, the operation visual field of an operator is enlarged, and the operation safety and the workover work efficiency are improved.

Description

Liftable operating room and under-pressure workover rig

Technical Field

The utility model belongs to the technical field of special operation equipment of oil fields, and particularly relates to a lifting operation room and a pressurized workover rig.

Background

The pressurized operation is the underground operation technology for repairing and increasing production of the well and under the condition of pressurizing the wellhead of oil, gas and water well. Compared with the common workover operation, the pressurized workover operation has larger safety risk and higher requirements on the safety and reliability of equipment. Currently, a traditional pressurized workover rig operating room is generally arranged at the tail of a vehicle, such as a centralized driving full-driving automatic workover rig (application number: CN 202110461448.3) disclosed in a published patent application document is provided with the operating room at the rear end of a chassis, however, the position is close to a wellhead and has a certain danger; in addition, the device is arranged in the middle of the vehicle, the vision of a driller is affected by a winch, a water tank and a turntable transmission box, the vision range is small, the condition of a wellhead is inconvenient to observe, and the operation efficiency is low.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides the lifting operation room and the pressurized workover rig, and the operation safety and the workover treatment working efficiency are ensured. The technical scheme of the utility model is as follows:

as a first aspect of the present utility model, there is provided a liftable operating room comprising an operating room, a mounting platform, a lifting mechanism, an electric control mechanism, a hydraulic system and a fixed base, wherein the operating room is fixedly arranged on the mounting platform, the bottom of the lifting mechanism is connected to the fixed base, the top is connected to the mounting platform, and the electric control mechanism is fixedly arranged on the fixed base and comprises a hydraulic pump and a motor; the lifting mechanism comprises two inner arms and two outer arms, the two outer arms are positioned at the outer sides of the inner arms, and the inner arms and the outer arms are mutually intersected to form a scissor structure; the top of the outer arm is hinged to the mounting platform, and the bottom of the outer arm is arranged on the upper surface of the fixed base in a sliding manner through a sliding wheel; the top of the inner arm slides along the mounting platform, and the bottom of the inner arm is hinged to the fixed base; the electric control mechanism drives the lifting mechanism through the hydraulic system to realize the lifting of the operating room and the mounting platform.

Preferably, the hydraulic system comprises a hydraulic cylinder and a hydraulic oil pipe connected with the hydraulic cylinder, and the hydraulic pump of the electric control mechanism is connected to the hydraulic cylinder through the hydraulic oil pipe.

Preferably, the bottom of the mounting platform is provided with a transverse roller groove, the top of the inner arm is provided with an outer arm roller, and the outer arm roller moves back and forth along the roller groove.

Preferably, the hydraulic cylinder is fixed on the inner arms, a connecting rod is fixedly arranged between the two inner arms, the connecting rod is welded with the fixing seat, the telescopic section of the hydraulic cylinder is hinged to the fixing seat, and the telescopic section of the hydraulic cylinder drives the inner arms to swing, so that the outer arms are driven to swing along with the telescopic section, and the operating chamber and the mounting platform are caused to rise and fall under the driving of the lifting mechanism.

Preferably, a travel switch is arranged on the fixed base.

Further, the electric control mechanism further comprises a controller arranged in the operation room, the controller is connected with the direct current motor and the travel switch in a signal mode, and the controller receives signals sent by the travel switch and controls the start and stop of the direct current motor.

Preferably, the hydraulic system comprises double hydraulic cylinders which are arranged in parallel, a hydraulic oil pipe adopts a double-layer steel mesh explosion-proof rubber pipe, a hydraulic pipeline is provided with a bidirectional balance valve, and the pipeline fault operation chamber is prevented from falling.

Preferably, a baffle is arranged on the upper surface of the fixed base at the outer end of the bottom of the outer arm, the bottom of the outer arm is also hinged with a lock rod, and the baffle mechanically locks the lock rod; and the fixed base is also provided with limiting seats which are arranged in four corners, and the tops of the limiting seats are provided with rubber pads to prevent the rigid collision between the operating chamber and the fixed base when the hydraulic system is in time control.

Preferably, the top of the operating room is provided with a smashing-proof safety protection net, so that overhead falling of a well frame can be effectively prevented, a rotatable folding illuminating lamp is arranged on the upper portion of the operating room, when the operating room walks, the lamp is folded, enough space is reserved for a derrick, the lamp provides illumination service when the operating room works, an operating panel is arranged in the operating room, drillers operate in a sitting posture, the operating room is far away from a wellhead, and the safety of equipment is improved.

As a second aspect of the present utility model, there is provided a pressurized workover rig, the pressurized workover rig including the liftable operation chamber, the liftable operation chamber being located in a middle portion of the pressurized workover rig, a fixed base of the liftable operation chamber being fixedly connected to a frame of the pressurized workover rig, a hydraulic pump being driven by a dc motor, and a lifting mode being controlled by a controller of the operation chamber. The side wall of the operating room is provided with a guide sleeve, a guide column is fixedly arranged on the frame, the guide sleeve is sleeved on the periphery of the guide column, and the operating room is ensured to move along the vertical direction when lifting.

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

the utility model provides a lifting operation room and a pressurized workover rig, wherein the lifting operation room is arranged in the middle of a vehicle, and when the vehicle is transported, the operation room is lowered to the lowest point for fixing, so that the lifting and falling of a derrick are not influenced. During workover, the lifting mechanism is used for improving the height of the table top of the operation room, so that the problem of sight obstruction of a winch, a turntable transmission box and the like is solved, the operation visual field of an operator is enlarged, and the operation safety and the workover work efficiency are improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

Fig. 1 is a schematic structural diagram of a liftable operation room provided in embodiment 1;

FIG. 2 is an enlarged view of a part of the structure of the liftable operation room provided in embodiment 1;

fig. 3 is a schematic perspective view of a liftable operation room provided in embodiment 1;

fig. 4 is a schematic diagram of the overall structure of the pressurized workover rig provided in embodiment 2.

The device comprises a 1-operating room, a 2-mounting platform, a 3-lifting mechanism, a 4-electric control mechanism, a 5-hydraulic system, a 6-fixed base, a 7-direct current motor, an 8-hydraulic pump, a 9-hydraulic cylinder, a 10-outer arm, an 11-inner arm, a 12-outer arm roller, a 13-roller groove, a 14-connecting rod, a 15-fixed seat, a 16-travel switch, a 17-baffle, a 18-lock rod, a 19-limit seat, a 20-anti-smashing safety protection net, a 21-illuminating lamp, a 22-guide sleeve and a 23-guide column.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

Example 1, liftable operating Chamber

As shown in fig. 1 to 3, the hydraulic control system comprises an operation room 1, a mounting platform 2, a lifting mechanism 3, an electric control mechanism 4, a hydraulic system 5 and a fixed base 6, wherein the operation room 1 is fixed on the mounting platform 2, the bottom of the lifting mechanism 3 is connected to the fixed base 6, the top of the lifting mechanism is connected to the mounting platform 2, the electric control mechanism 4 is fixedly arranged on the fixed base 6 and comprises a hydraulic pump 8 and a 24V direct current motor 7, the hydraulic system 5 comprises a hydraulic cylinder 9 and a hydraulic oil pipe connected with the hydraulic cylinder 9, and the hydraulic pump 8 is connected to the hydraulic cylinder 9 through the hydraulic oil pipe; the lifting mechanism 3 comprises two inner arms 11 and two outer arms 10, wherein the two outer arms 10 are positioned outside the inner arms 11, and the inner arms 11 and the outer arms 10 are mutually intersected to form a scissor structure; the top of the outer arm 10 is hinged to the mounting platform 2, and the bottom of the outer arm is slidably arranged on the upper surface of the fixed base 6 through a sliding wheel; the bottom of the mounting platform 2 is provided with a transverse roller groove 13, the top of the inner arm 11 is provided with an outer arm roller 12, the outer arm roller 12 can reciprocate along the roller groove 13, and the bottom of the inner arm 11 is hinged to the fixed base 6; the hydraulic cylinder 9 is fixed on the inner arm 11, a connecting rod 14 is fixedly arranged between the two inner arms 11, the connecting rod 14 is welded to the fixed seat 15, the telescopic section of the hydraulic cylinder 9 is hinged to the fixed seat 15, the telescopic section of the hydraulic cylinder 9 drives the inner arm 11 to swing, so that the outer arm 10 is driven to swing, and the operating room 1 and the mounting platform 2 are caused to rise and fall at the height under the driving of the lifting mechanism 3.

As shown in fig. 2 and 3, the fixed base 6 is provided with a travel switch 16, and as an embodiment, a front-end limit switch is adopted, and the model is YBLX-ME/8166.

The electric control mechanism 4 further comprises a controller arranged in the operation room, the controller is respectively connected with the direct current motor 7 and the travel switch 16, when the lifting mechanism 3 lifts the operation room 1 to the highest point, the outer arm 10 is in contact with the travel switch 16, and the travel switch 16 sends a signal to the controller to control the direct current motor 7 to stop working.

The hydraulic system 5 adopts parallel double hydraulic cylinders, the hydraulic oil pipe adopts double-layer steel mesh explosion-proof rubber pipes, and the hydraulic pipeline is provided with a bidirectional balance valve to prevent the pipeline fault operation chamber from falling.

The upper surface of the fixed base 6 is provided with a baffle 17 at the outer end of the bottom of the outer arm 10, the bottom of the outer arm 10 is also hinged with a lock rod 18, and when the lifting device rises to the highest point, the baffle 17 mechanically locks the lock rod 18; the fixed base 6 is further provided with limiting seats 19 which are arranged in four corners, and rubber pads are arranged at the tops of the limiting seats 19 to prevent rigid collision between the operating chamber and the fixed base during time control of the hydraulic system.

The top of the operating room is provided with the anti-smashing safety protection net 20, overhead falling objects of a well frame can be effectively prevented, the upper part of the operating room is provided with the rotatable folding illuminating lamp 21, when the operating room walks, the lamp is folded, enough space is reserved for the derrick, the lamp provides illumination service when working, an operating panel is arranged in the operating room, driller adopts sitting posture to operate, the operating room is far away from the wellhead, and the safety of equipment is improved.

Example 2, pressurized workover rig

As shown in fig. 4, the pressurized workover rig includes the liftable operation room 104 provided in embodiment 1, the liftable operation room is located in the middle of the pressurized workover rig and on the right side of the frame, the installation platform 2 of the liftable operation room is disposed on the upper surface of the frame, and the fixing base is supported and fixed below the upper surface of the frame through the cross beam. The lifting operation chamber 104 adopts a 24V direct current motor to drive a hydraulic pump, and the lifting mode adopts the inching control of an operation chamber controller.

As shown in fig. 1 and 4, the side wall of the operating room 1 is provided with a guide sleeve 22, a guide post 23 is fixedly arranged on the frame, and the guide sleeve 22 is sleeved on the periphery of the guide post 23, so that the operating room is ensured to move along the vertical direction when lifting.

The under-pressure workover rig comprises a frame, a cab 101 arranged at the front part of the frame, an engine 102, a gearbox 103, a liftable operating room 104, an angle gearbox 105, a winch 106, a dead rope fixer 107, a lifting oil cylinder 108 and a Y-shaped frame 109 which are sequentially arranged on the frame from front to back; the engine 102 and the gearbox 103 are connected in sequence and connected to the angle gearbox 105 through a transmission shaft; one end of a derrick 111 is hinged to the Y-shaped frame 109 and is erected above the frame, and the top of the lifting oil cylinder 108 is connected with the derrick 111 to power the rotation of the derrick 111; the free end of the derrick 111 is provided with a crown block 110; one end of the wire rope is fixed to the winch 106 and dead rope holder 107, and the other end is connected to the grabbing system after passing through the crown block 110.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The lifting operation room is characterized by comprising an operation room, a mounting platform, a lifting mechanism, an electric control mechanism, a hydraulic system and a fixed base, wherein the operation room is fixedly arranged on the mounting platform, the bottom of the lifting mechanism is connected to the fixed base, the top of the lifting mechanism is connected to the mounting platform, and the electric control mechanism is fixedly arranged on the fixed base and comprises a hydraulic pump and a motor; the lifting mechanism comprises two inner arms and two outer arms, the two outer arms are positioned at the outer sides of the inner arms, and the inner arms and the outer arms are mutually intersected to form a scissor structure; the top of the outer arm is hinged to the mounting platform, and the bottom of the outer arm is arranged on the upper surface of the fixed base in a sliding manner through a sliding wheel; the top of the inner arm slides along the mounting platform, and the bottom of the inner arm is hinged to the fixed base; the electric control mechanism drives the lifting mechanism through the hydraulic system to realize the lifting of the operating room and the mounting platform;

the hydraulic system comprises a hydraulic oil cylinder and a hydraulic oil pipe connected with the hydraulic oil cylinder, and a hydraulic pump of the electric control mechanism is connected to the hydraulic oil cylinder through the hydraulic oil pipe;

the hydraulic cylinder is fixed on the inner arms, a connecting rod is fixedly arranged between the two inner arms, the connecting rod is welded with the fixing seat, the telescopic section of the hydraulic cylinder is hinged to the fixing seat, and the telescopic section of the hydraulic cylinder drives the inner arms to swing, so that the outer arms are driven to swing along with the inner arms, and the operating room and the mounting platform are caused to rise and fall under the driving of the lifting mechanism.

2. The lifting operation room according to claim 1, wherein the mounting platform is provided with a transverse roller groove at the bottom, and the inner arm is provided with an outer arm roller at the top, and the outer arm roller reciprocates along the roller groove.

3. The lifting operation room according to claim 1, wherein a travel switch is arranged on the fixed base; the electric control mechanism further comprises a controller arranged in the operation room, the controller is connected with the direct current motor and the travel switch in a signal mode, and receives signals sent by the travel switch and controls the start and stop of the direct current motor.

4. A liftable operating chamber according to claim 1, wherein the hydraulic system comprises two hydraulic cylinders arranged in parallel.

5. The lifting operation room according to claim 1, wherein the hydraulic oil pipe is a double-layer steel mesh explosion-proof rubber pipe, and the hydraulic oil pipe is provided with a bidirectional balance valve.

6. The lifting operation room according to claim 1, wherein a baffle is arranged on the upper surface of the fixed base at the outer end of the bottom of the outer arm, a lock rod is further hinged to the bottom of the outer arm, and the baffle mechanically locks the lock rod.

7. The lifting operation room according to claim 1, wherein the fixing base is further provided with four-corner arranged limiting seats, and rubber pads are arranged at the tops of the limiting seats.

8. The lifting operation room according to claim 1, wherein the top of the operation room is provided with a smashing-proof safety protection net; the upper part of the operating room is provided with a rotatable folding illuminating lamp.

9. A pressurized workover rig, comprising the liftable operation room of any one of claims 1 to 8, wherein the liftable operation room is located in the middle of the pressurized workover rig, and a fixed base of the liftable operation room is fixedly connected with a pressurized workover rig frame.

10. The pressurized workover rig of claim 9, wherein the sidewall of the operating room is provided with a guide sleeve, a guide post is fixedly arranged on the workover rig frame, and the guide sleeve is sleeved on the periphery of the guide post.