CN219910692U

CN219910692U - Switching device for lower flat valve of wellhead operation table for small repair operation

Info

Publication number: CN219910692U
Application number: CN202320785051.4U
Authority: CN
Inventors: 李顺; 赵宇航; 张路
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-10-27
Anticipated expiration: 2033-04-11

Abstract

The utility model relates to the technical field of plate valve opening and closing, in particular to a plate valve opening and closing device under a workover wellhead operation table, which comprises a transmission rod, wherein a universal joint is arranged on the surface of the transmission rod, a mounting plate is arranged on the surface of the transmission rod, an adjusting device is arranged at one end of a transmission shaft, the adjusting device comprises a fixed block, the fixed block is fixedly connected with the transmission rod, three arc plates are fixedly connected with the surface of the fixed block, the surfaces of the three arc plates are fixedly connected with a circular ring, a swivel is slidably connected with the inner wall of the circular ring, a rotating shaft is rotatably connected with the inner wall of the swivel, a limiting block is fixedly connected with one end of the rotating shaft, a limiting groove is formed in the surface of the fixed block, and the limiting groove is connected with the limiting block in a clamping manner. The utility model solves the problems that when the operation is not performed, the rotating handle is exposed, and is easy to be collided by an external object to rotate, so that the transmission rod rotates, and the mounting plate leaks.

Description

Switching device for lower flat valve of wellhead operation table for small repair operation

Technical Field

The utility model relates to the technical field of flat valve opening and closing, in particular to a flat valve opening and closing device under a workover treatment wellhead operation table.

Background

The well mouth operation bench lower flat valve switch device refers to an operation of petroleum drilling and subsequent oil well maintenance, in order to ensure that the oil well can be used smoothly, maintenance and maintenance measures are taken to repair oil well casings, the casings are necessary conditions for ensuring normal production of the oil and gas well, and the casing damage of the oil well is frequently caused by various reasons, so that the repair of the oil well casings is one of main tasks of a major repair work team.

The prior art, such as the utility model of publication number CN206928934U, discloses a sub-bench plate valve switching device for a small repair wellhead operation console, comprising: the device comprises an operation panel, a support, an active rod, a universal joint, a passive rod and a chuck. The method is characterized in that: the right end of a driving rod of the plate valve switching device below the small repair operation wellhead operation platform is provided with an operation panel and a support, the lower end of a driven rod is provided with a chuck, and the driving rod is connected with the driven rod through a universal joint. The utility model is suitable for opening and closing the plate valve under the wellhead operation desk on the oilfield small-repair underground operation site, and can open and close the valve within the range of 180 degrees of the spherical surface due to the adoption of the angle transmission 4R mechanism double universal joints, so that the operation is convenient, time and labor are saved, the labor intensity of workers is reduced, the well control and shut-in efficiency is improved, the occurrence of out-of-control accidents of well blowout is effectively prevented, and the safety production of the oilfield is ensured.

With respect to the above and related art, the inventors believe that there are often the following drawbacks: when the operation is not performed, the rotating handle is exposed, so that the rotating handle is easy to collide with an external object to rotate, and the transmission rod rotates, so that the mounting plate has the defect of leakage; therefore, a lower plate valve switching device of a small repair wellhead operation table is provided for solving the problems.

Disclosure of Invention

The utility model aims to solve the defects that in the prior art, when the operation is not performed, a rotating handle is exposed, and is easy to collide by an external object to rotate, so that a transmission rod rotates, and a mounting plate leaks.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a flat valve switching device under workover wellhead operation platform, includes the transfer line, the surface mounting of transfer line has the universal joint, the surface mounting of transfer line has the mounting panel, the one end of transmission shaft is equipped with adjusting device, adjusting device includes the fixed block, fixed block and transfer line fixed connection, the fixed surface of fixed block fixedly connected with three arc, three the fixed surface of arc is connected with the ring, the inner wall sliding connection of ring has the swivel, the inner wall rotation of swivel is connected with the axis of rotation, the one end fixedly connected with stopper of axis of rotation, the spacing groove has been seted up on the surface of fixed block, the spacing groove is connected with the stopper block, the one end fixedly connected with of transmission shaft changes the handle.

The effects achieved by the components are as follows: through setting up adjusting device, utilize changeing the handle and pressing the stopper, make stopper and spacing groove looks block, then rotate the change and drive the transfer line and rotate, prevent as far as possible that the change from receiving the effect of external force and taking place to rotate to drive the condition that the mounting panel changed takes place, reached can let changeing the effect that can only take place idle running when not using.

Preferably, the surface of the fixed block is fixedly connected with a spring, and two ends of the spring are respectively fixedly connected with the surfaces of the fixed block and the rotating shaft.

The effects achieved by the components are as follows: through setting up the spring, reached when the commentaries on classics handle receives external force and carried out the buffering effect to the axis of rotation.

Preferably, the arc surface of the rotating handle is fixedly connected with a first indicating block, and the arc surface of the circular ring is fixedly connected with a second indicating block.

The effects achieved by the components are as follows: through setting up the instruction piece, reached the effect that makes things convenient for the staff to align stopper and spacing groove position.

Preferably, the arc surface of changeing the handle is equipped with protector, protector is including preventing cold cover, cold cover and changeing handle sliding connection prevent cold cover's arc surface fixedly connected with fixed plate, the fixed surface of fixed plate is connected with the dead lever, the arc surface slip of dead lever runs through there is the gag lever post, the draw-in groove has been seted up on the surface of gag lever post, the surface screw thread of dead lever is run through there is the screw rod, the screw rod passes the dead lever and supports at the surface of gag lever post.

The effects achieved by the components are as follows: through setting up protector, utilize screw rod self screw thread to carry out spacingly to the position between gag lever post and the dead lever, and then to cold-proof cover tightly cover on the commentaries on classics handle, reached and prevented as far as possible that the weather is comparatively cold in winter, frostbite staff's palm's effect.

Preferably, the surface of the limiting rod is fixedly connected with a pointed cone, and the pointed cone is a rubber cone.

The effects achieved by the components are as follows: through setting up the pointed cone, reached the effect that makes things convenient for the gag lever post to pass the dead lever post surface.

Preferably, one end of the screw rod is fixedly connected with a handle, and the vertical section of the handle is in a cross shape.

The effects achieved by the components are as follows: through setting up the handle, reached the effect that makes things convenient for the staff to rotate the screw rod.

To sum up:

1. according to the utility model, the adjusting device is arranged, the rotation between the rotating shaft and the rotating ring and the cooperation of the limiting block and the limiting groove are utilized, the limiting block is limited to the spring through the arc plate, when the adjusting device is used, the limiting block is only pressed to be extruded into the limiting groove by the pressing handle, the transmission rod is driven to rotate by the rotating handle, and when the adjusting device is not used, the rotating handle can generate buffering through the spring under the action of external force, so that the effect that the rotating handle idles and cannot rotate the transmission rod, and the mounting plate is changed is achieved.

2. According to the utility model, the protection device is arranged, the limiting rod is extruded by utilizing the threads of the screw rod, so that the clamping groove formed in the limiting rod is clamped with the fixing rod, the cold-proof sleeve is limited, and the effect of preventing the operator from frostbite of the palm as much as possible in a cold state in winter is achieved.

Drawings

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

FIG. 2 is a schematic view of the partial structure of FIG. 1 according to the present utility model;

FIG. 3 is a schematic illustration of the disassembled structure of FIG. 2 according to the present utility model;

FIG. 4 is a schematic view of the partial structure of FIG. 3 according to the present utility model;

fig. 5 is an enlarged view of fig. 4 at a in accordance with the present utility model.

Legend description: 1. a transmission rod; 2. a universal joint; 3. a mounting plate; 4. an adjusting device; 401. a fixed block; 402. an arc-shaped plate; 403. a circular ring; 404. a swivel; 405. a rotating shaft; 406. a limiting block; 407. a limit groove; 408. a rotating handle; 409. a spring; 410. a first indication block; 411. a second instruction block; 5. a protective device; 51. a cold-proof sleeve; 52. a fixing plate; 53. a fixed rod; 54. a limit rod; 55. a clamping groove; 56. a screw; 57. a handle; 58. and (5) a pointed cone.

Detailed Description

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a flat valve switching device under workover wellhead operation platform, includes transfer line 1, and the surface mounting of transfer line 1 has universal joint 2, and the surface mounting of transfer line 1 has mounting panel 3, and the one end of transmission shaft is equipped with adjusting device 4, and the arc surface of changeing handle 408 is equipped with protector 5.

The specific arrangement and function of the adjusting means 4 and the protective means 5 will be described in detail below.

Referring to fig. 1 to 4, in this embodiment: the adjusting device 4 comprises a fixed block 401, the fixed block 401 is fixedly connected with a transmission rod 1, the surface of the fixed block 401 is fixedly connected with three arc plates 402, the surface of the three arc plates 402 is fixedly connected with a circular ring 403, the inner wall of the circular ring 403 is slidably connected with a rotating ring 404, the inner wall of the rotating ring 404 is rotatably connected with a rotating shaft 405, one end of the rotating shaft 405 is fixedly connected with a limiting block 406, the surface of the fixed block 401 is provided with a limiting groove 407, the limiting groove 407 is connected with the limiting block 406 in a clamping manner, one end of a transmission shaft is fixedly connected with a rotating handle 408, the adjusting device 4 is arranged, the rotating handle 408 is utilized to press the limiting block 406, the limiting block 406 is clamped with the limiting groove 407, then the rotating handle 408 is rotated to drive the transmission rod 1 to rotate, the rotating handle 408 is prevented from being rotated by the action of external force, the mounting plate 3 is driven to change, the effect that idle rotation can only occur when the rotating handle 408 is not used is achieved, two ends of the spring 409 are fixedly connected with the surface of the fixed block 401 and the rotating shaft 405 respectively, the limiting groove 407 is clamped with the surface of the rotating shaft 405, the limiting block is provided with a first arc surface of the rotating handle 408 when the rotating handle 408 is subjected to the external force, the rotating handle 408 is clamped by the setting spring 409, and the first arc surface is connected with the limiting block is convenient to indicate the position of the rotating handle 408, and the second arc surface is connected with the limiting block is fixed with the limiting block 410, and the position of the arc table is indicated by the indicating device.

Referring to fig. 4 and 5, specifically, the protecting device 5 includes a cold preventing sleeve 51, the cold preventing sleeve 51 is slidably connected with a rotating handle 408, an arc surface of the cold preventing sleeve 51 is fixedly connected with a fixing plate 52, a surface of the fixing plate 52 is fixedly connected with a fixing rod 53, an arc surface of the fixing rod 53 slidably penetrates through a limiting rod 54, a clamping groove 55 is formed in the surface of the limiting rod 54, a screw 56 penetrates through the surface of the limiting rod 53, the screw 56 penetrates through the surface of the limiting rod 54, the protecting device 5 is arranged, the position between the limiting rod 54 and the fixing rod 53 is limited by threads of the screw 56, the cold preventing sleeve 51 is tightly sleeved on the rotating handle 408, the effect of preventing hands of workers from being frostbitten in winter is achieved, the surface of the limiting rod 54 is fixedly connected with a pointed cone 58, the pointed cone 58 is a rubber cone, the effect of facilitating the limiting rod 54 to penetrate through the surface of the fixing rod 53 is achieved, one end of the screw 56 is fixedly connected with a handle 57, the vertical section of the handle 57 is in a cross shape, and the effect of convenience is achieved by setting the handle 57, and the handle 56 is convenient for rotating the handle 56.

When the mounting plate 3 needs to be opened or closed, the working principle is that the first indicating block 410 is aligned with the second indicating block 411, then the rotating handle 408 is pressed in the direction close to the transmission rod 1, at the moment, the rotating handle 408 drives the rotating shaft 405 to move in the same direction, the rotating shaft 405 drives the limiting block 406 to move in the same direction, the rotating shaft drives the rotating ring 404 to move in the same direction, the rotating ring 404 extrudes the springs 409 along the surfaces of the three arc plates 402 until the limiting block 406 is pressed into the limiting groove 407, the limiting block 406 is clamped with the limiting groove 407, then the rotating handle 408 is rotated, at the moment, the rotating handle 408 drives the rotating shaft 405 to rotate, at the same time, the rotating shaft 405 drives the limiting block 406 to rotate, at the moment, the limiting block 406 drives the fixed block 401 to rotate due to the clamping connection of the limiting block 406 and the limiting groove 407, at the moment, the fixed block 401 drives the transmission rod 1 to rotate, the transmission rod 1 can drive the universal joint 2 to rotate, the universal joint 2 can drive the other transmission rod 1 to rotate, at the moment, the transmission rod 1 can drive the mounting plate 3 to open or close, when the operation is finished, the rotating handle 408 is loosened, the limiting block 406 is popped out of the limiting groove 407 by virtue of an outward elastic force generated by the extrusion of the spring 409, through the arrangement of the adjusting device 4, the rotation between the rotating shaft 405 and the rotating ring 404 and the matching of the limiting block 406 and the limiting groove 407 are utilized, the limiting of the spring 409 is realized through the arc plate 402, when the transmission rod 1 is driven to rotate by the rotating handle 57 only by pressing the handle 57, the rotating handle 408 can generate buffering through the spring 409 under the action of external force when the operation is not carried out, the idling of the rotating handle 408 is realized, and the transmission rod 1 cannot be rotated, resulting in a modified effect of the mounting plate 3.

When the anti-freezing sleeve 51 is sleeved on the arc surface of the rotating handle 408 in winter, then the limiting rod 54 passes through the fixed rod 53, at the moment, the handle 57 is rotated, the handle 57 drives the screw rod 56 to rotate, the screw rod 56 abuts against the arc surface of the limiting rod 54 by means of threads of the screw rod 56 until the clamping groove 55 formed in the limiting rod 54 is clamped with the fixed rod 53, the position of the fixed rod 53 and the position of the limiting rod 54 are limited, when the anti-freezing sleeve 51 is required to be removed, the handle 57 is rotated, the screw rod 56 is far away from the limiting rod 54 by means of threads of the screw rod 56, then the limiting rod 54 is pulled out of the fixed rod 53, the anti-freezing sleeve 51 is taken down, the limiting rod 54 is extruded by means of threads of the screw rod 56, and the clamping groove 55 formed in the limiting rod 54 is clamped with the fixed rod 53, so that the anti-freezing sleeve 51 is limited, and the effect of preventing a worker from freezing the palm in winter is achieved.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Claims

1. The utility model provides a flat valve switching device under workover wellhead operation platform, includes transfer line (1), its characterized in that: the novel transmission device is characterized in that a universal joint (2) is arranged on the surface of the transmission rod (1), a mounting plate (3) is arranged on the surface of the transmission rod (1), an adjusting device (4) is arranged at one end of the transmission rod (1), the adjusting device (4) comprises a fixed block (401), the fixed block (401) is fixedly connected with the transmission rod (1), three arc plates (402) are fixedly connected with the surface of the fixed block (401), three arc plates (402) are fixedly connected with a circular ring (403) on the surface of the circular ring (403), a rotating ring (404) is connected with the inner wall of the circular ring (403) in a sliding manner, a rotating shaft (405) is connected with a limiting block (406) in a rotating manner, a limiting groove (407) is formed in the surface of the fixed block (401), and the limiting groove (407) is connected with the limiting block (406) in a clamping manner, and a rotating handle (408) is fixedly connected with one end of the rotating shaft (405).

2. The sub-service wellhead operator station lower plate valve switching device of claim 1, wherein: the surface of the fixed block (401) is fixedly connected with a spring (409), and two ends of the spring (409) are fixedly connected with the surfaces of the fixed block (401) and the rotating shaft (405) respectively.

3. The sub-service wellhead operator station lower plate valve switching device of claim 1, wherein: the arc surface of the rotating handle (408) is fixedly connected with a first indicating block (410), and the arc surface of the circular ring (403) is fixedly connected with a second indicating block (411).

4. The sub-service wellhead operator station lower plate valve switching device of claim 1, wherein: the arc surface of changeing handle (408) is equipped with protector (5), protector (5) are including cold-proof cover (51), cold-proof cover (51) and change handle (408) sliding connection, the arc surface fixedly connected with fixed plate (52) of cold-proof cover (51), the fixed surface fixedly connected with dead lever (53) of fixed plate (52), the arc surface slip of dead lever (53) runs through there is gag lever post (54), draw-in groove (55) have been seted up on the surface of gag lever post (54), the surface screw thread of dead lever post (53) runs through there is screw rod (56), screw rod (56) pass dead lever (53) and support at the surface of gag lever post (54).

5. The sub-service wellhead console lower plate valve switching device of claim 4, wherein: the surface of the limiting rod (54) is fixedly connected with a pointed cone (58), and the pointed cone (58) is a rubber cone.

6. The sub-service wellhead console lower plate valve switching device of claim 4, wherein: one end of the screw rod (56) is fixedly connected with a handle (57), and the vertical section of the handle (57) is in a cross shape.