CN211115890U - Wellhead protector fishing device - Google Patents

Abstract

The utility model discloses a well head protector fishing device, the camera includes a supporting plate, the circular port has been seted up at the top of backup pad, the circular port internal fixation cover is equipped with the connecting pipe, the top of connecting pipe extends to the top of backup pad, the top movable contact of connecting pipe has the ring board, the top fixed mounting of ring board has two montants, the top fixed mounting of two montants has same diaphragm, sliding sleeve is equipped with same movable plate on two montants, the top fixed mounting of movable plate has first screw rod, the top of first screw rod extends to the top of diaphragm, the top of movable plate is equipped with hexagon nut, the diaphragm rotates the cover and establishes on hexagon nut. The utility model discloses simple structure, convenient operation is convenient for fix the ring board according to reality, prevents that the staff from driving the ring board and rock when rotating hexagon nut through the spanner, and the staff of being convenient for makes power, and can not appear the ring board and follow the phenomenon of the top landing of connecting pipe easily, is favorable to using.

Description

Wellhead protector fishing device

Technical Field

The utility model relates to a salvage equipment technical field especially relates to a well head protector fishing device.

Background

A wellhead protector is an important device for safely producing a gas well wellhead, and is based on a pressure difference working principle, namely, a certain pressure difference is generated as power to push a valve core to move, an internal channel of the protector is automatically closed, and media at two ends are sealed to ensure the safety of source media, when pipelines and production equipment at the downstream of the wellhead suddenly break or a large amount of natural gas leaks, a certain pressure difference is generated at the upstream and downstream of the protector to accelerate the air velocity, the protector is automatically closed to cut off the wellhead, thereby effectively reducing the large amount of natural gas leakage of the wellhead and reducing the pollution to the surrounding environment, because a regulating screw thread of the protector is exposed in the atmosphere, long-term corrosion causes the torque of a regulating screw rod to increase, the root joint of the regulating screw rod is easy to break during operation, and simultaneously because a spring in the wellhead protector bears pressure for a long time and is, at this moment, the protector needs to be taken out from a wellhead for maintenance, the existing wellhead protector fishing device is mostly composed of a supporting plate, a connecting pipe, a circular plate, a transverse plate, a moving plate, a screw, a hook, a hexagon nut and the like, the hook is hung on the wellhead protector by workers, the hexagon nut is rotated through a wrench to drive the screw to rotate, the screw drives the moving plate to move upwards, and the moving plate drives the protector to move upwards through two hooks.

But backup pad is not convenient for fix the ring plate among the current well head protector fishing device for the staff drives the ring plate easily and rocks when rotating hexagon nut through the spanner, brings the influence for the use, and the ring plate slides and takes place the slope from the top of connecting pipe easily simultaneously, injures the staff easily, brings inconvenience for the staff, therefore we have proposed well head protector fishing device and have been used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a fishing device for wellhead protectors.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

wellhead protector fishing device, which comprises a supporting plate, the circular port has been seted up at the top of backup pad, the circular port internal fixation cover is equipped with the connecting pipe, the top of connecting pipe extends to the top of backup pad, the top movable contact of connecting pipe has the ring board, the top fixed mounting of ring board has two montants, the top fixed mounting of two montants has same diaphragm, sliding sleeve is equipped with same movable plate on two montants, the top fixed mounting of movable plate has first screw rod, the top of first screw rod extends to the top of diaphragm, the top of movable plate is equipped with hexagon nut, the diaphragm rotates the cover and establishes on hexagon nut, hexagon nut thread cover is established on first screw rod, be equipped with the protector in the circular port, the top of protector runs through connecting pipe and ring board in proper order and extends to the top of ring board, the bottom of movable plate rotates and installs two couples, two couples all cooperate with the protector, the top fixed mounting of backup pad has the U-shaped plate, the ring board is located the U-shaped plate on the U-shaped board, first recess has been seted up to rotate on the inner wall of one side of its open-ended one side of first recess, the inner wall of connecting rod is kept away from the inner wall of the U-shaped fixed mounting, the corresponding U-shaped piece, the corresponding U-shaped piece of two U-shaped clamp plate, the corresponding two sides of the corresponding U-shaped clamp plate that the two U-shaped clamp plate that the inner wall of the U-shaped clamp plate that the two U-shaped clamp plate has the two U-shaped clamp plate, the corresponding fixed clamp plate, the corresponding two U-shaped clamp plate, the corresponding clamp plate that the two U-shaped clamp plate all sets up the two sides of the U-shaped clamp plate, the two U-shaped clamp plate, the inner.

Preferably, the same rectangular hole is formed between the inner wall of one side, close to the knob, of the second groove and the inner wall of one side, far away from the opening, of the first groove, and the side wall of the rectangular hole is in sliding connection with the outer side of the U-shaped rod.

Preferably, two limiting blocks are fixedly sleeved on the U-shaped rod.

Preferably, a threaded hole is formed in the inner wall of one side of the U-shaped rod and is in threaded connection with the second screw rod.

Preferably, a bearing is fixedly installed on the inner wall of one side, away from the opening, of the first groove, and an inner ring of the bearing is fixedly sleeved with the outer side of the second screw rod.

Preferably, two square holes are formed in the top of the moving plate, and the side walls of the square holes are in sliding connection with the outer sides of the corresponding vertical rods.

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

through the backup pad that sets up, the connecting pipe, the ring board, the montant, first screw rod, the U-shaped board, first recess, the second screw rod, the U-shaped pole, the second recess, the connecting rod, the U-shaped piece, the arc splint, the fixed pipe, L shape pole, the ball, connecting block and spring cooperate, when needing to fix the ring board, the knob is rotated to the forward direction and drives the second screw rod and rotate, the second screw rod rotates and drives the U-shaped pole and remove to the direction of keeping away from the knob, the U-shaped pole extrudees two connecting rods at the in-process that removes, the connecting rod drives two L shape pole removals through the U-shaped piece that corresponds, the U-shaped piece stretches two springs that correspond at the in-process that removes, the U-shaped piece drives the arc splint removal that corresponds, two arc splint remove to the direction that is close to each other and press from both sides tight fixed to the ring board, the staff rotates hexagon nut through the spanner, hexagon nut, it rotates first screw rod and the upward movement to drive the movable plate when hexagon nut pivoted, first screw rod drives the movable plate, first screw rod and upward movement, the movable plate.

The utility model discloses simple structure, convenient operation is convenient for fix the ring board according to reality, prevents that the staff from driving the ring board and rock when rotating hexagon nut through the spanner, and the staff of being convenient for makes power, and can not appear the ring board and follow the phenomenon of the top landing of connecting pipe easily, is favorable to using.

Drawings

FIG. 1 is a schematic structural view of a fishing device of a wellhead protector according to the present invention;

FIG. 2 is a schematic view of the U-shaped plate of FIG. 1 with the U-shaped plate removed;

FIG. 3 is a schematic sectional top view of the connection member of the U-shaped plate and the circular ring plate in FIG. 1;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

fig. 5 is an enlarged schematic view of a portion B in fig. 4.

In the figure, a supporting plate 1, a connecting pipe 2, a circular plate 3, a vertical rod 4, a first screw rod 5, a U-shaped plate 6, a first groove 7, a second screw rod 8, a U-shaped rod 9, a second groove 10, a connecting rod 11, a U-shaped block 12, an arc-shaped clamping plate 13, a fixed pipe 14, a rod 15L, a ball 16, a connecting block 17, a spring 18, a transverse plate 19, a moving plate 20 and a hexagon nut 21 are arranged.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, well head protector fishing device, including backup pad 1, the circular port has been seted up at backup pad 1's top, the circular port internal fixation cover is equipped with connecting pipe 2, the top of connecting pipe 2 extends to backup pad 1's top, the top movable contact of connecting pipe 2 has ring plate 3, ring plate 3's top fixed mounting has two montants 4, the top fixed mounting of two montants 4 has same diaphragm 19, sliding sleeve is equipped with same movable plate 20 on two montants 4, the top fixed mounting of movable plate 20 has first screw rod 5, first screw rod 5's top extends to the top of diaphragm 19, movable plate 20's top is equipped with hexagon nut 21, diaphragm 19 rotates the cover and establishes on hexagon nut 21, hexagon nut 21 threaded sleeve establishes on first screw rod 5, be equipped with the protector in the circular port, the top of protector runs through connecting pipe 2 and ring plate 3 in proper order and extends to ring plate 3's top, two hooks are installed to the bottom rotation of movable plate 20, two hooks all cooperate with the two hooks with the fixed connection rod that the inner wall of the handle 13, the top fixed connection rod 13 sets up the corresponding U-shaped clamp plate 13, the inner wall of the inner wall 13 that the inner wall 20 corresponds the equal roll clamp plate 13 and the inner wall of the corresponding clamp plate 13 that the inner wall of the two sides of the corresponding clamp plate 13 that the inner wall of the fixed clamp plate 13 and the corresponding clamp plate 13 had the corresponding to the fixed clamp plate 13, the inner wall of the corresponding clamp plate 13, the inner wall of the corresponding clamp plate 13 that the corresponding two sides of the corresponding clamp plate 13 that the fixed clamp plate 13 that the inner wall of the fixed clamp plate 13 had the fixed clamp plate 13, the inner wall of the fixed clamp plate 13, the inner wall of the fixed clamp plate 13 had the fixed clamp plate 13, the inner wall of the fixed clamp plate 13 that the fixed clamp plate 13 had the inner wall corresponding clamp plate 13 had the inner wall of the fixed clamp plate 13, the fixed clamp plate 13 had the fixed clamp plate 13, the inner wall corresponding roll bar that the inner wall corresponding to the inner wall corresponding roll bar that the inner wall of the fixed clamp plate 13 had the inner wall of the fixed clamp plate 13 had the fixed clamp plate 13, the.

In the utility model, the same rectangular hole is arranged between the inner wall of one side of the second groove 10 close to the knob and the inner wall of one side of the first groove 7 far from the opening, the side wall of the rectangular hole is connected with the outside of the U-shaped rod 9 in a sliding way, two stoppers are fixedly sleeved on the U-shaped rod 9, a threaded hole is arranged on the inner wall of one side of the U-shaped rod 9, the threaded hole is connected with the second screw 8 in a threaded way, a bearing is fixedly arranged on the inner wall of one side of the first groove 7 far from the opening, the inner ring of the bearing is fixedly sleeved with the outside of the second screw 8, two square holes are arranged at the top of the movable plate 20, the side wall of the square hole is connected with the outside of the corresponding vertical rod 4 in a sliding way, the utility model has simple structure and convenient operation, is convenient for fixing the circular plate 3 according to the reality, and prevents the worker from, and the phenomenon that the circular plate 3 easily slides from the top end of the connecting pipe 2 can not occur, thereby being beneficial to use.

When the clamping device is used, when the circular plate 3 needs to be fixed, the knob is rotated in the forward direction, the knob drives the second screw rods 8 to rotate, under the action of threaded holes formed in the U-shaped rods 9, the second screw rods 8 rotate to drive the U-shaped rods 9 to move in the direction away from the knob, the U-shaped rods 9 drive the two limiting blocks to move, the U-shaped rods 9 extrude the two connecting rods 11 in the moving process, under the action of the extruding force, the connecting rods 11 move and rotate, the connecting rods 11 drive the corresponding U-shaped blocks 12 to move, the U-shaped blocks 12 drive the corresponding two L-shaped rods 15 to move, the L-shaped rods 15 drive the corresponding balls 16 to move, the balls 16 roll in the corresponding ball grooves, the U-shaped blocks 12 stretch the corresponding two springs 18 in the moving process, the U-shaped blocks 12 drive the corresponding arc-shaped clamping plates 13 to move, the two arc-shaped clamping plates 13 move in the direction close to each other and clamp and fix the circular plate 3, at the knob stops rotating, and under the action of the self thread locking force of the second screw rods 8 and the U-shaped rods 9, which is equivalent to the common thread locking clamping;

the staff rotates hexagon nut 21 through the spanner immediately, and hexagon nut 21 pivoted drives first screw rod 5 simultaneously and rotates and the rebound, and first screw rod 5 drives movable plate 20 and upwards removes, and movable plate 20 slides on two montants 4, and movable plate 20 shifts out from connecting pipe 2 through two couples drive protector for be convenient for fix annular plate 3.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. Well head protector fishing device, including backup pad (1), the circular port has been seted up at the top of backup pad (1), the circular port internal fixation cover is equipped with connecting pipe (2), the top of connecting pipe (2) extends to the top of backup pad (1), the top movable contact of connecting pipe (2) has ring plate (3), the top fixed mounting of ring plate (3) has two montants (4), the top fixed mounting of two montants (4) has same diaphragm (19), its characterized in that, sliding sleeve is equipped with same movable plate (20) on two montants (4), the top fixed mounting of movable plate (20) has first screw rod (5), the top of first screw rod (5) extends to the top of diaphragm (19), the top of diaphragm (20) is equipped with hexagon nut (21), diaphragm (19) rotate the cover and establish on nut (21) and establish on first screw rod (5), be equipped with the inner wall internal fixation clamp plate (13) and correspond the U-shaped groove (13) and set up the top that the U15) set up two U-shaped grooves (13) are equipped with the equal U-shaped clamp plate (13) and the U15), the inner wall (13) is equipped with the U15) and the inner wall (13) and the U15) is equipped with the top of the equal side fixed clamp plate (13) that the U15, the U-shaped clamp plate (13) is equipped with the equal side of the U-shaped clamp plate (13) and the U15, the U-shaped clamp plate (13) is equipped with the equal side of the equal U-shaped clamp plate (13), the equal side of the U-shaped clamp plate (13) set up the equal side of the U-shaped clamp plate (13) and the U-shaped clamp plate (13) that the U-shaped clamp plate (13) is equipped with the U-shaped clamp plate (13), the U-shaped clamp plate (13) is equipped with the equal side of the U-shaped clamp plate (13), the U-shaped clamp plate (13) set up, the U-shaped clamp plate (13) and the equal side of the U-shaped clamp plate (13) is equipped with the equal side of the U-shaped clamp plate (3), the U-shaped clamp plate (13) of the U-shaped clamp plate (13) is equipped with the U-shaped clamp plate (3), the U-shaped clamp plate (13) of the U-shaped clamp plate (13), the U-shaped clamp plate (3), the equal side of the U-shaped clamp plate (3), the U-shaped clamp plate (13) of the equal side of the U-shaped clamp plate (3), the U-shaped clamp.

2. A fishing device for wellhead protectors according to claim 1, characterized in that a same rectangular hole is formed between the inner wall of one side of the second groove (10) close to the knob and the inner wall of one side of the first groove (7) far away from the opening of the first groove, and the side wall of the rectangular hole is in sliding connection with the outer side of the U-shaped rod (9).

3. A wellhead protector fishing device according to claim 1, characterized in that the U-shaped rod (9) is fixed with two limit blocks.

4. A wellhead protector fishing device according to claim 1, characterized in that a threaded hole is formed in the inner wall of one side of the U-shaped rod (9), and the threaded hole is in threaded connection with the second screw (8).

5. A wellhead protector fishing device according to claim 1, characterized in that a bearing is fixedly arranged on the inner wall of the first groove (7) far away from the opening, and the inner ring of the bearing is fixedly sleeved with the outer side of the second screw (8).

6. A wellhead protector fishing device according to claim 1, characterized in that the top of the moving plate (20) is provided with two square holes, and the side walls of the square holes are slidably connected with the outer sides of the corresponding vertical rods (4).

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