CN219299663U

CN219299663U - Hybrid power switching device of workover rig

Info

Publication number: CN219299663U
Application number: CN202320166180.5U
Authority: CN
Inventors: 王杰; 王宏宇; 黄继平; 王广丰
Original assignee: Anshan Caisheng Machinery Manufacturing Co ltd
Current assignee: Anshan Caisheng Machinery Manufacturing Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-07-04
Anticipated expiration: 2033-02-09

Abstract

The utility model relates to the technical field of oilfield workover rigs, in particular to a workover rig hybrid power switching device which is characterized by comprising a support, a transmission shaft, a first bearing seat, a second bearing seat, a sliding gear, a shifting fork mechanism, a motor connecting shell and a hydraulic motor, wherein the transmission shaft is arranged between the first bearing seat and the second bearing seat, one end of the transmission shaft is connected with a torque output end of the hydraulic motor at the outer side of the second bearing seat, the sliding gear is in sliding connection with the transmission shaft through a spline, the sliding gear is meshed with a large gear of a rope winding device of the workover rig, an annular groove is arranged on the sliding gear, the annular groove is movably connected with the shifting fork mechanism, and the shifting fork mechanism enables the sliding gear to have two working positions of a meshing position and a neutral position. Compared with the prior art, the utility model has the beneficial effects that: 1) The hydraulic motor is a transformation scheme, the workover rig is transformed into a motor and hydraulic motor hybrid power driving structure, and the operation requirement of the workover rig is met. 2) Is beneficial to upgrading and reforming the oilfield workover rig.

Description

Hybrid power switching device of workover rig

Technical Field

The utility model relates to the technical field of oilfield workover rigs, in particular to a workover rig hybrid power switching device.

Background

The workover rig or the tractor hoist is the most basic and main power source in workover and underground operation construction, and the main function of the workover rig or the tractor hoist is to finish the regular repair and replacement of oil production pipes of oil fields. Most of the existing workover rigs are provided with large engines to provide power for workover, and the existing workover rig has the defects of heavy equipment and high field operation maneuvering difficulty; and secondly, the cost is high, and the manufacturing difficulty is high.

The mechanical wheel type well dredger disclosed in the Chinese patent publication No. CN207499821U has the advantages that although the spare motor is arranged, the spare motor can be used for continuously working when the motor is damaged, and the loss caused by the damage of the motor is reduced, and the mechanical wheel type well dredger has the following defects in the using process: the standby motor is exposed in the air, is easily influenced by external environment factors to shorten the service life of the standby motor and even is damaged, so that the working efficiency and the engineering progress are delayed, and huge economic loss is brought to users, so that improvement is needed.

A hydrostatic transmission device of a hoisting system of a wheel type well dredger and a well repairing machine disclosed in China patent application number 03241760.8 comprises a power source, an oil pump, an oil supplementing pump, a one-way valve, a hydraulic motor, a hoisting machine, an oil tank and an oil pipeline, wherein the power source is connected with the oil pump, the oil pump is connected with the hydraulic motor through the oil pipeline, the hydraulic motor is connected with the hoisting machine, the one-way valve is arranged on the oil pipeline, and the oil supplementing pump is connected with the oil tank through the oil pipeline. The device has the advantages of simple structure, low failure rate, convenient maintenance and use, high automation degree, high transmission efficiency, high working efficiency and the like.

It can be seen that the workover rig equipped with the hydraulic motor has more stable working state, lower failure rate and stronger impact adaptability to load torque, but for the motor-driven workover rig which is largely used in the oil field, mass replacement obviously cannot be realized, if the workover rig can be improved, hybrid power driving of the motor and the hydraulic motor is certainly a good scheme, and related reports are not yet seen. The Daqing oil field, liaohe oil field and victory oil field of China all face the upgrading and updating of a large number of workover rig, the demand is huge, the economic benefits are considerable, and the prospect is wide.

Disclosure of Invention

The utility model aims to provide a hybrid power switching device of a workover rig, which overcomes the defects of the prior art, reforms the workover rig driven by the prior motor, and a heavy-duty hydraulic motor is meshed with a large gear of a rope winder on the motor-driven workover rig through the switching device to reform the workover rig into a motor and hydraulic motor hybrid power driving structure, wherein the motor meets the conventional requirement of oilfield workover, a high-horsepower hydraulic motor meets the high-power requirement, and the hydraulic motor can be switched as required before or during the work of the workover rig, so that the operation requirement of the workover rig is met.

In order to achieve the above purpose, the present utility model is realized by the following technical scheme:

the utility model provides a workover rig hybrid power switching device which characterized in that, including support, transmission shaft, first bearing frame, second bearing frame, sliding gear, shift fork mechanism, motor coupling shell and hydraulic motor, be equipped with left side board and right side board perpendicularly on the support, be equipped with first bearing frame on the left side board, be equipped with the second bearing frame on the right side board, be provided with the transmission shaft between first bearing frame and the second bearing frame, transmission shaft one end is connected with hydraulic motor's moment of torsion output in the outside of second bearing frame, be equipped with the spline on the transmission shaft, sliding gear passes through spline and transmission shaft sliding connection, sliding gear meshes with workover rig rope winder's gear wheel, the center pin of gear wheel still is connected through the shaft coupling with motor's output shaft; the sliding gear is provided with a ring groove, the ring groove is movably connected with a shifting fork mechanism, and the shifting fork mechanism enables the sliding gear to have two working positions of a meshing position and a neutral gear position.

The shifting fork mechanism comprises a sliding shaft, shaft end seats, a fork sleeve, a fork body, a handle, a spring, a nut and a shaft sleeve, wherein the two shaft end seats are respectively connected to a left side plate and a right side plate; the other side of the fork sleeve is connected with a handle, the end part of the handle is matched with a hole groove on the sliding shaft, and the sliding shaft is provided with two hole grooves corresponding to two working positions of the sliding gear; a spring is arranged between the handle and the fork sleeve, a nut is arranged on the outer side of the spring, and the nut is connected with the fork sleeve through threads.

The handle is a GB/T4141-1984B type operating handle.

The shaft sleeve is connected with the fork sleeve through a screw.

The hole groove is a 90-degree conical hole or a 90-degree square conical hole.

And a cylindrical roller bearing is arranged in the first bearing seat.

And a self-aligning roller bearing is arranged in the second bearing.

Compared with the prior art, the utility model has the beneficial effects that: 1) According to the improvement scheme, the existing motor-driven workover rig is improved, the heavy-load hydraulic motor is meshed with the large gear of the rope winding device on the motor-driven workover rig through the switching device, the workover rig is improved into a motor and hydraulic motor hybrid power driving structure, the workover rig can be switched before or during working according to requirements, and the operation requirements of the workover rig are met. 2) The switching device has the advantages of simple structure, manual operation and low manufacturing cost, is suitable for standardized batch production, is favorable for rapidly completing upgrading and reconstruction of a large number of workover rigs in oil fields, and meets the requirements of users.

Drawings

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

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a schematic view of the fork mechanism taken along line A-A in FIG. 2;

FIG. 4 is a schematic diagram of the rope winder of the utility model and the workover rig, and the two-dot chain line is enclosed in the box for the scheme of the utility model

In the figure: 1-support, 2-transmission shaft, 3-first bearing frame, 4-second bearing frame, 5-sliding gear, 6-motor coupling shell, 7-hydraulic motor, 8-left side board, 9-right side board, 10-workover rig rope winder, 11-gear wheel, 12-center pin, 13-shaft coupling, 14-annular groove, 15-motor, 16-sliding shaft, 17-axle head seat, 18-fork sleeve, 19-fork body, 20-handle, 21-spring, 22-nut, 23-axle sleeve, 24-screw, 25-hole groove.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

The components of the embodiments of the present utility model generally described and illustrated in the figures herein can be arranged and designed in a wide variety of 0 different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

Referring to fig. 1-4, the embodiment of the hybrid power switching device of the workover rig of the utility model is a structural schematic diagram, which comprises a support 1, a transmission shaft 2, a first bearing seat 3, a second bearing seat 4, a sliding gear 5, a shifting fork mechanism, a motor connecting shell 6 and a hydraulic motor 7, wherein a left side plate 8 and a right side plate 9 are vertically arranged on the support 1, the left side plate 8 is provided with the first bearing seat 3, the right side plate 9 is provided with the second bearing seat 4, the transmission shaft 2 is arranged between the first bearing seat 3 and the second bearing seat 4, one end of the transmission shaft 2 is connected with a torque output end of the hydraulic motor 7 at the outer side of the second bearing seat 4, and a cylindrical roller bearing is arranged in the first bearing seat 3. The second bearing seat 4 is internally provided with a self-aligning roller bearing, the combination of the two bearings can balance acting force and vibration after gear meshing, and in order to ensure a lubricating effect, the first bearing seat 3 and the second bearing seat 4 are both provided with oil cups. The transmission shaft 2 is provided with a spline, the sliding gear 5 is in sliding connection with the transmission shaft 2 through the spline, the sliding gear 5 is meshed with the large gear 11 of the workover rig rope winder 10, and the central shaft 12 of the large gear 11 is also connected with the output shaft of the motor 15 through a coupler 13; the sliding gear 5 is provided with a ring groove 14, the ring groove 14 is movably connected with a shifting fork mechanism, and the shifting fork mechanism enables the sliding gear 5 to have two working positions of a meshing position and a neutral position. When the output torque of the motor is insufficient to meet the demand, the hydraulic motor may be cut in, resulting in a compound drive of the motor and the hydraulic motor.

In an embodiment, the hydraulic motor is a heavy-duty hydraulic motor. The device can also be used for replacing the motor during maintenance, the motor 15 can be removed and sent to be maintained through the coupler 13, the workover rig is only driven by a hydraulic motor, the normal use of the workover rig can be maintained, and the occurrence of production stopping is avoided.

The shifting fork mechanism comprises a sliding shaft 16, shaft end seats 17, a fork sleeve 18, a fork body 19, a handle 20, a spring 21, a nut 22 and a shaft sleeve 23, wherein the two shaft end seats 17 are respectively connected to the left side plate 8 and the right side plate 9, the sliding shaft 16 is arranged between the two shaft end seats 17, the sliding shaft 16 is arranged in parallel with the transmission shaft 2, the fork sleeve 18 is connected with the sliding shaft 16 through the shaft sleeve 23, one side of the fork sleeve 18 is connected with the fork body 19, a U-shaped opening of the fork body 19 is matched with an annular groove 14 on the sliding gear 5, and a hole groove 25 is a 90-degree conical hole; the other side of the fork sleeve 18 is connected with a handle 20, and the handle 20 is a GB/T4141-1984B type operating handle.

The end part of the handle 20 is matched with the hole groove on the sliding shaft 16, the sliding shaft 16 is provided with two hole grooves corresponding to two working positions of the sliding gear 5, and the relative positions of the fork sleeve and the sliding shaft can be moved by lifting the handle 20, so that the switching device is positioned on the required working position; a spring 21 is arranged between the handle 20 and the fork sleeve 18, a nut 22 is arranged on the outer side of the spring 21, the nut 22 is connected with the fork sleeve 18 through threads, and the reset force of the spring can be adjusted by adjusting the position of the nut. The sleeve 23 is connected with the fork sleeve 18 by a screw 24, and is convenient to replace when the sleeve is severely worn.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a workover rig hybrid power switching device which characterized in that, including support, transmission shaft, first bearing frame, second bearing frame, sliding gear, shift fork mechanism, motor coupling shell and hydraulic motor, be equipped with left side board and right side board perpendicularly on the support, be equipped with first bearing frame on the left side board, be equipped with the second bearing frame on the right side board, be provided with the transmission shaft between first bearing frame and the second bearing frame, transmission shaft one end is connected with hydraulic motor's moment of torsion output in the outside of second bearing frame, be equipped with the spline on the transmission shaft, sliding gear passes through spline and transmission shaft sliding connection, sliding gear meshes with workover rig rope winder's gear wheel, the center pin of gear wheel still is connected through the shaft coupling with motor's output shaft; the sliding gear is provided with a ring groove, the ring groove is movably connected with a shifting fork mechanism, and the shifting fork mechanism enables the sliding gear to have two working positions of a meshing position and a neutral gear position.

2. The hybrid power switching device of the workover rig according to claim 1, wherein the shifting fork mechanism comprises a sliding shaft, shaft end seats, a fork sleeve, a fork body, a handle, a spring, a nut and a shaft sleeve, the two shaft end seats are respectively connected to a left side plate and a right side plate, the sliding shaft is arranged between the two shaft end seats, the sliding shaft is arranged in parallel with a transmission shaft, the fork sleeve is connected with the sliding shaft through the shaft sleeve, one side of the fork sleeve is connected with the fork body, and a U-shaped opening of the fork body is matched with a ring groove on a sliding gear; the other side of the fork sleeve is connected with a handle, the end part of the handle is matched with a hole groove on the sliding shaft, and the sliding shaft is provided with two hole grooves corresponding to two working positions of the sliding gear; a spring is arranged between the handle and the fork sleeve, a nut is arranged on the outer side of the spring, and the nut is connected with the fork sleeve through threads.

3. A workover rig hybrid power switch according to claim 2, wherein the handle is a GB/T4141-1984B-type operating handle.

4. A workover rig hybrid power switch according to claim 2, wherein the sleeve is connected to the yoke by screws.

5. A workover rig hybrid power switching device according to claim 2, wherein the bore hole is a 90 ° conical bore or a 90 ° square conical bore.

6. The workover rig hybrid power switching device according to claim 1, wherein a cylindrical roller bearing is arranged in the first bearing block.

7. The workover rig hybrid power switching device according to claim 1, wherein a self-aligning roller bearing is arranged in the second bearing seat.