CN219259463U

CN219259463U - Closed hydraulic mechanism of hydraulic workover rig lifting device

Info

Publication number: CN219259463U
Application number: CN202223428152.0U
Authority: CN
Inventors: 邾启孟; 刘政宏
Original assignee: Paiyu Electrohydraulic Technology Shanghai Co ltd
Current assignee: Paiyu Electrohydraulic Technology Shanghai Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-06-27
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a closed hydraulic mechanism of a hydraulic workover rig lifting device, which comprises a hydraulic device and mounting seats, wherein the mounting seats are respectively arranged at the upper end and the lower end of the hydraulic device and are used for mounting and connecting the hydraulic device with external devices, a bottom connecting seat is fixed below the hydraulic device, a top connecting seat is fixed above the hydraulic device, the hydraulic device is respectively connected with the mounting seats through the bottom connecting seat and the top connecting seat, and a mounting shaft is arranged in the mounting seats. The closed hydraulic mechanism of the hydraulic workover rig lifting device is provided with a rotatable top connecting seat and a rotatable bottom connecting seat, the hydraulic device can rotate on the mounting seat through the rotation of the top connecting seat and the bottom connecting seat, and then when a pipeline joint on the hydraulic device needs to be overhauled, the rotatable hydraulic device rotates the joint to the minimum shielding position, so that the hydraulic workover rig is convenient to operate to the greatest extent, and the subsequent overhauling convenience is improved.

Description

Closed hydraulic mechanism of hydraulic workover rig lifting device

Technical Field

The utility model relates to the technical field of hydraulic mechanisms, in particular to a closed hydraulic mechanism of a hydraulic workover rig lifting device.

Background

The lifting capacity of the hydraulic workover rig lifting device is also used for determining the bearable load of the subsequent workover rig, the hydraulic mechanism of the lifting device is generally in closed type, a hydraulic system pipeline of the hydraulic mechanism and the hydraulic mechanism are mutually connected to form a closed loop, corresponding lifting functions are realized through relevant control of liquid, for example, a hydraulic mechanism disclosed by the application number CN201620125467.3, the month 8 and the day 10 of 2016 is provided, the first guide layer is arranged on the inner wall of the cylinder barrel, the second guide layer is arranged on the outer circumferential surface of the piston to replace the guide belt, the contact friction between the first guide layer and the second guide layer replaces the friction between the guide belt and the cylinder barrel, the use of the guide belt is avoided, the guide performance of the first guide layer and the second guide layer is good, the effective time is long, frequent replacement is not needed, the production efficiency is improved, and the service life of the hydraulic mechanism is prolonged;

when the hydraulic mechanism is used, the installation position of the hydraulic mechanism is generally fixed, the position of the connecting part of the liquid conveying pipeline on the hydraulic mechanism is also fixed, and when the hydraulic mechanism is used later, the periphery of the connecting part is easily shielded by external products or devices, so that the hydraulic mechanism is inconvenient to overhaul and disassemble the connecting part, and the shielding object is sometimes required to be disassembled, so that the subsequent disassembly and assembly workload is increased, and the subsequent overhaul convenience is reduced.

Disclosure of Invention

The utility model aims to provide a closed hydraulic mechanism of a hydraulic workover rig lifting device, which aims to solve the problems that the installation position of the hydraulic mechanism is generally fixed when the hydraulic mechanism is used, the position of the connecting part of a liquid conveying pipeline on the hydraulic mechanism is also fixed, and the periphery of the connecting part is easily shielded by external products or devices when the hydraulic mechanism is used later, so that the connecting part is inconvenient to overhaul and disassemble.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hydraulic workover rig lifting device's closed hydraulic mechanism, includes hydraulic press and mount pad, the mount pad sets up the upper and lower both ends at hydraulic press respectively, carries out the erection joint with hydraulic press and external device, the below of hydraulic press is fixed with the bottom connecting seat, and the top of hydraulic press is fixed with the top connecting seat, hydraulic press is connected with the mount pad through bottom connecting seat and top connecting seat respectively, and the inside of mount pad is provided with the installation axle, and top connecting seat and bottom connecting seat all constitute the rotation through between installation axle and the mount pad and are connected, the inside of mount pad is provided with the stopper, and constitutes sliding structure from top to bottom between stopper and the mount pad, carries out spacingly with the rotation of bottom connecting seat and top connecting seat through the connection of stopper and bottom connecting seat and top connecting seat, keeps the stability of hydraulic press position, the inside of mount pad is provided with the control gasbag, controls the removal of stopper through the inflation of control gasbag volume, and the outside of control gasbag is connected with volume control mechanism, controls the volume of control gasbag.

Further optimize this technical scheme, the top of bottom connecting seat is fixed with flexible guide arm, and the upper end and the top connecting seat of flexible guide arm are fixed mutually to flexible guide arm sets up about the central line bilateral symmetry of hydraulic press, makes top connecting seat and bottom connecting seat can keep synchronous rotation, and follow-up spacing to single connecting seat can realize holistic rotatory spacing effect.

Further optimize this technical scheme, the surface evenly distributed of mount pad has the ball, and ball and bottom connecting seat and top connecting seat laminating each other reduce frictional resistance when providing holding power for it.

Further optimize this technical scheme, the overlook cross-section of stopper is ring structural design, increases the effective area of contact of stopper and bottom connecting seat.

Further optimizing the technical scheme, the volume control mechanism comprises a communicating pipe, an adjusting air bag, an extrusion plate, a control rod and an auxiliary head;

a communication tube provided outside the control airbag to provide a gas moving passage for the control airbag;

the adjusting air bag is arranged in the mounting seat and is communicated with the control air bag through the communicating pipe;

the extrusion plate is arranged at the outer side of the adjusting air bag, a horizontal sliding structure is formed between the extrusion plate and the mounting seat, and the adjusting air bag can be extruded when moving;

the control rod is rotatably arranged on the surface of the extrusion plate, and the outer end of the control rod penetrates through the outer end of the mounting seat and is in threaded connection with the mounting seat;

the auxiliary head is fixed at the outer end of the control rod to control the rotation of the control rod, and the position of the limiting block can be controlled by screwing the auxiliary head subsequently.

Further optimize this technical scheme, be the one-to-one setting between regulation gasbag and the control lever, and the control lever uses the center of mount pad to be the centre of a circle equi-distribution, makes the different positions of mount pad all can operate the control lever.

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

(1) The closed hydraulic mechanism of the hydraulic workover rig lifting device is provided with the rotatable top connecting seat and the rotatable bottom connecting seat, the hydraulic device can rotate on the mounting seat through the rotation of the top connecting seat and the bottom connecting seat, and then when the joint of a pipeline on the hydraulic device is required to be overhauled, the rotatable hydraulic device rotates the joint to the position with the minimum shielding outside, so that the operation of workers is facilitated to the greatest extent, and the subsequent overhauling convenience is improved;

(2) The closed hydraulic mechanism of the hydraulic workover rig lifting device can limit the rotation of the hydraulic device through the limiting block, so that the hydraulic device can keep the position of the hydraulic device stable during normal use, and the hydraulic workover rig lifting device can be realized through operating the auxiliary heads when the limiting block is required to be controlled, and the auxiliary heads which are uniformly distributed on the mounting seat can provide different operation directions so as to adapt to the subsequent operation requirements.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of a mounting base according to the present utility model;

FIG. 3 is a schematic view of the top connector and mounting base of the present utility model separated;

FIG. 4 is a schematic view of a main sectional structure of a mounting base of the present utility model;

fig. 5 is a schematic view of a mounting seat of the present utility model in a top-down section.

In the figure: 1. a hydraulic device; 2. a bottom connecting seat; 3. a top connecting seat; 4. a mounting base; 5. a telescopic guide rod; 6. a mounting shaft; 7. a ball; 8. a limiting block; 9. controlling the air bag; 10. a communicating pipe; 11. adjusting the air bag; 12. an extrusion plate; 13. a control lever; 14. an auxiliary head.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the closed hydraulic mechanism of the hydraulic workover rig lifting device comprises a hydraulic device 1 and a mounting seat 4, wherein the mounting seat 4 is respectively arranged at the upper end and the lower end of the hydraulic device 1, the hydraulic device 1 and an external device are connected in a mounting way, a bottom connecting seat 2 is fixed below the hydraulic device 1, a top connecting seat 3 is fixed above the hydraulic device 1, the hydraulic device 1 is respectively connected with the mounting seat 4 through the bottom connecting seat 2 and the top connecting seat 3, a mounting shaft 6 is arranged in the mounting seat 4, the top connecting seat 3 and the bottom connecting seat 2 are respectively connected in a rotating way through the mounting shaft 6 and the mounting seat 4, a limiting block 8 is arranged in the mounting seat 4, an up-down sliding structure is formed between the limiting block 8 and the mounting seat 4, the rotation of the bottom connecting seat 2 and the top connecting seat 3 is limited through the connection of the limiting block 8 and the bottom connecting seat 2 and the top connecting seat 3, the position of the hydraulic device 1 is kept stable, a control air bag 9 is arranged in the mounting seat 4, the movement of a limiting block 8 is controlled through the expansion of the volume of the control air bag 9, the outer side of the control air bag 9 is connected with a volume control mechanism, the volume of the control air bag 9 is controlled, a telescopic guide rod 5 is fixed above the bottom connecting seat 2, the upper end of the telescopic guide rod 5 is fixed with the top connecting seat 3, the telescopic guide rod 5 is symmetrically arranged left and right with respect to the central line of the hydraulic device 1, the top connecting seat 3 and the bottom connecting seat 2 can synchronously rotate, the integral rotation limiting effect can be realized by limiting a single connecting seat, balls 7 are uniformly distributed on the surface of the mounting seat 4, the balls 7 are mutually attached to the bottom connecting seat 2 and the top connecting seat 3, the friction resistance is reduced while the supporting force is provided for the device;

the pipeline connector and the hydraulic system on the hydraulic device 1 can be connected during use, the hydraulic device 1 is installed to the using position through the mounting seat 4 for use, when the pipeline connector is required to be overhauled and checked, if the position of the hydraulic device is difficult to be checked on the hydraulic device 1, the hydraulic device 1 can be rotated around and is enabled to rotate on the mounting seat 4 through the top connecting seat 3 and the bottom connecting seat 2, the position of the pipeline connector is changed, leakage of the pipeline connector is facilitated, and the top connecting seat 3 and the bottom connecting seat 2 can synchronously rotate through the telescopic guide rod 5.

The overlooking section of the limiting block 8 is in a circular structure design, the effective contact area of the limiting block 8 and the bottom connecting seat 2 is increased, the volume control mechanism comprises a communicating pipe 10, an adjusting air bag 11, a squeezing plate 12, a control rod 13 and an auxiliary head 14, the communicating pipe 10 is arranged at the outer side of the control air bag 9 to provide a gas moving channel for the control air bag 9, the adjusting air bag 11 is arranged in the mounting seat 4, the inside of the adjusting air bag 11 is communicated with the inside of the control air bag 9 through the communicating pipe 10, the squeezing plate 12 is arranged at the outer side of the adjusting air bag 11, a horizontal sliding structure is formed between the squeezing plate 12 and the mounting seat 4, the adjusting air bag 11 can be squeezed during movement, the control rod 13 is rotatably arranged on the surface of the squeezing plate 12, the outer end of the control rod 13 penetrates through the outer end of the mounting seat 4 and the mounting seat 4 to form threaded connection, the auxiliary head 14 is fixed at the outer end of the control rod 13 to control the rotation of the control rod 13, the position of the limiting block 8 can be controlled by screwing the auxiliary head 14, the adjusting air bag 11 and the control rod 13 are correspondingly arranged in the mounting seat 4, the center of the mounting seat 4 is distributed one by one, and the positions of the control rod 13 can be arranged at different centers;

after the hydraulic press 1 is installed stably, the limiting block 8 can be used for limiting the rotation of the hydraulic press, the auxiliary head 14 is screwed by a tool, the auxiliary head 14 is driven to rotate by the control rod 13, the extrusion plate 12 is pushed to move through threaded connection between the control rod 13 and the mounting seat 4, the extrusion plate 12 extrudes the adjusting air bag 11, air in the adjusting air bag 11 is fed into the control air bag 9, the volume of the control air bag 9 is expanded, the limiting block 8 is pushed to move, the limiting block 8 is connected with the top connecting seat 3 or the bottom connecting seat 2, the rotation of the limiting block 8 is limited, the stability of the hydraulic press 1 in subsequent use is guaranteed, the auxiliary head 14 which is convenient to operate can be controlled to cover the least auxiliary head 14 in the subsequent use, the extrusion plate 12 is controlled to move outwards by the rotary auxiliary head 14, the extrusion plate 12 is relieved from the extrusion effect of the adjusting air bag 11, the control air bag 9 is loosened, and the limiting effect of the limiting block 8 is relieved, and the position of the hydraulic press 1 can be adjusted.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The closed hydraulic mechanism of the hydraulic workover rig lifting device comprises a hydraulic device (1) and a mounting seat (4), wherein the mounting seat (4) is respectively arranged at the upper end and the lower end of the hydraulic device (1) to mount and connect the hydraulic device (1) with external devices;

the method is characterized in that: the hydraulic press is characterized in that a bottom connecting seat (2) is fixed below the hydraulic press (1), a top connecting seat (3) is fixed above the hydraulic press (1), the hydraulic press (1) is connected with a mounting seat (4) through the bottom connecting seat (2) and the top connecting seat (3) respectively, a mounting shaft (6) is arranged inside the mounting seat (4), the top connecting seat (3) and the bottom connecting seat (2) are connected through rotation formed between the mounting shaft (6) and the mounting seat (4), a limiting block (8) is arranged inside the mounting seat (4), an up-down sliding structure is formed between the limiting block (8) and the mounting seat (4), the bottom connecting seat (2) and the top connecting seat (3) are limited through the rotation of the limiting block (8) and the bottom connecting seat (2), the position of the hydraulic press (1) is kept stable, a control air bag (9) is arranged inside the mounting seat (4), the expansion of the volume of the control air bag (9) is controlled through the movement of the limiting block (8), and the volume of the control air bag is controlled by the control mechanism, and the volume of the control air bag is controlled by the outer side of the air bag (9).

2. A closed hydraulic mechanism for a hydraulic workover rig lifting device according to claim 1, wherein: the telescopic guide rod (5) is fixed above the bottom connecting seat (2), the upper end of the telescopic guide rod (5) is fixed with the top connecting seat (3), and the telescopic guide rod (5) is symmetrically arranged left and right relative to the center line of the hydraulic device (1).

3. A closed hydraulic mechanism for a hydraulic workover rig lifting device according to claim 1, wherein: the surface evenly distributed of mount pad (4) has ball (7), and ball (7) and bottom connecting seat (2) and top connecting seat (3) laminating each other reduce frictional resistance when providing holding power for it.

4. A closed hydraulic unit for a hydraulic workover rig lifting device according to claim 1 or 2, characterised in that: the overlooking section of the limiting block (8) is in a circular structure design, and the effective contact area of the limiting block (8) and the bottom connecting seat (2) is increased.

5. A closed hydraulic mechanism for a hydraulic workover rig lifting device according to claim 1, wherein: the volume control mechanism comprises a communicating pipe (10), an adjusting air bag (11), an extrusion plate (12), a control rod (13) and an auxiliary head (14);

a communication pipe (10) arranged outside the control air bag (9) for providing a gas movement channel for the control air bag (9);

the adjusting air bag (11) is arranged in the mounting seat (4), and the interior of the adjusting air bag (11) is communicated with the interior of the control air bag (9) through the communicating pipe (10);

the extrusion plate (12) is arranged at the outer side of the adjusting air bag (11), a horizontal sliding structure is formed between the extrusion plate (12) and the mounting seat (4), and the adjusting air bag (11) can be extruded during movement;

the control rod (13) is rotatably arranged on the surface of the extrusion plate (12), and the outer end of the control rod (13) penetrates through the outer end of the mounting seat (4) and is in threaded connection with the mounting seat (4);

and an auxiliary head (14) fixed to the outer end of the control rod (13) for controlling the rotation of the control rod (13).

6. The closed hydraulic mechanism of a hydraulic workover rig lifting device according to claim 5, wherein: the adjusting air bags (11) and the control rods (13) are arranged in a one-to-one correspondence mode, and the control rods (13) are distributed with the center of the mounting seat (4) as the center of a circle, so that the control rods (13) can be operated at different positions of the mounting seat (4).