CN217327252U

CN217327252U - Integral oil production wellhead assembly

Info

Publication number: CN217327252U
Application number: CN202221466548.1U
Authority: CN
Inventors: 唐一波
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-08-30
Anticipated expiration: 2032-06-13

Abstract

The utility model discloses an integral oil production wellhead device, which comprises a wellhead device body, wherein a fixing ring is arranged on the wellhead device body, a mounting plate is arranged below the fixing ring, a chute is arranged on the mounting plate, a positive screw and a negative screw are arranged in the chute, the positive and negative screw rods are provided with second bevel gears, the mounting plate is provided with a second ball bearing, a rotating shaft is arranged in the second ball bearing, the rotating shaft is provided with a first bevel gear, the mounting plate is provided with a mounting frame, the mounting frame is provided with a motor, the motor is connected with the rotating shaft, the positive and negative screw rods are in threaded connection with the clamping assembly, the two threaded blocks drive the arc-shaped clamping plates to approach each other by starting the motor, thereby make two arc splint carry out centre gripping wellhead assembly body, and be applicable to the centre gripping of the wellhead assembly body of different specifications, conveniently remove it to the assigned position with the help of the universal wheel afterwards and adorn.

Description

Integral oil production wellhead assembly

Technical Field

The utility model relates to an oil recovery field especially relates to an integral oil recovery wellhead assembly.

Background

The wellhead equipment is composed of pipe head and blowout preventer stack, and can be used for controlling pressure and direction of gas and liquid fluids, including oil production tree and gas production tree.

The device is installed at well mouth, hangs casing and oil pipe, and seals the annular space between the oil pipe and casing and each layer of casing. Generally comprises a casing head, a tubing head and a blowout preventer group. Also pertains to wellhead assemblies.

The upper flange of current wellhead assembly body takes place the skew very easily with the in-process of lower flange butt joint, leads to wellhead assembly body and well head to the in-process of installation leads to the damage of flange very easily, thereby influences the progress of work, consequently, we design an integral oil recovery wellhead assembly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integral oil recovery wellhead assembly for solve following problem: can effectually carry out the centre gripping to the wellhead assembly through the arc splint, make it can remove appointed position with the help of removing the wheel, make the last flange of wellhead assembly body dock with lower flange more easily to make things convenient for the wellhead assembly body to assemble with the well head more easily, owing to with the help of the ball, more can rotate and adjust the wellhead assembly body, thereby convenient accurate alignment.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:

the utility model provides an integral oil recovery wellhead assembly, includes the wellhead assembly body, solid fixed ring has set firmly on the wellhead assembly body, gu fixed ring below is provided with the mounting panel, be provided with the spout on the mounting panel, the inside positive and negative screw rod that is provided with of spout, positive and negative screw rod both ends are first ball bearing all, first ball bearing and mounting panel rigid coupling, second conical gear has set firmly on the positive and negative screw rod, the mounting panel back runs through and has set firmly second ball bearing, the inside pivot that has set firmly of second ball bearing, the inside one end that the pivot is located the spout has set firmly first conical gear, the mounting panel back has set firmly the mounting bracket, the motor has set firmly on the mounting bracket, the power output shaft of motor is connected with the pivot, threaded connection has the centre gripping subassembly on the positive and negative screw rod.

Preferably, the mounting panel bottom is provided with a plurality of support columns, the inside cavity structure that is of support column, electric telescopic handle has set firmly in the support column inside, electric telescopic handle's flexible end and mounting panel rigid coupling, the support column bottom has set firmly the universal wheel.

Preferably, the first bevel gear is meshed with the second bevel gear.

Preferably, the centre gripping subassembly includes arc splint, threading board and positive and negative screw rod threaded connection, threading board and mounting panel sliding connection, arc splint have set firmly on the threading board.

Preferably, the inside second recess that is provided with of arc splint, arc splint top is run through and is provided with first recess, arc splint bottom is run through and is set firmly the thread bush, the inside threaded connection of thread bush has the second screw rod, the cover is equipped with third ball bearing on the second screw rod, the movable plate has been set firmly at third ball bearing top, the movable plate top has set firmly the cushion, roll connection has a plurality of balls on the cushion.

Preferably, the moving plate is slidably connected with the arc-shaped clamping plate.

The utility model has the advantages that:

1. the utility model discloses a starter motor makes two screw thread pieces drive arc splint to be close to each other with the help of the motor to make two arc splint carry out centre gripping wellhead assembly body, and be applicable to the centre gripping of the wellhead assembly body of different specifications, conveniently remove it to the assigned position with the help of the universal wheel afterwards and assemble.

2. Through rotating the second screw rod, make the second screw rod drive the ball and shift up inside the arc splint to with the help of the contact of ball and solid fixed ring, thereby more convenient rotate the wellhead assembly body, make its assembly that can be more accurate.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic view of the connection between the motor and the mounting box of the present invention;

FIG. 3 is a schematic view of the internal structure of the arc splint of the present invention;

reference numerals: 1. a wellhead body; 2. a fixing ring; 3. a chute; 4. mounting a plate; 5. a positive and negative screw; 6. a support pillar; 7. a universal wheel; 9. an arc-shaped splint; 10. a first ball bearing; 11. a first bevel gear; 12. a mounting frame; 13. a motor; 14. a rotating shaft; 15. a second ball bearing; 16. a second bevel gear; 17. a thread plate; 18. moving the plate; 19. a first groove; 20. a ball bearing; 21. cushion blocks; 22. a third ball bearing; 23. a second screw; 24. a threaded sleeve; 25. a second groove.

Detailed Description

In order to make the technical means, creation features, achievement objects and functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-3, an integral oil production wellhead comprises a wellhead body 1, and is characterized in that: a fixed ring 2 is fixedly arranged on a wellhead device body 1, a mounting plate 4 is arranged below the fixed ring 2, a chute 3 is arranged on the mounting plate 4, a positive and negative screw rod 5 is arranged in the chute 3, two ends of the positive and negative screw rod 5 are provided with first ball bearings 10, the first ball bearings 10 are fixedly connected with the mounting plate 4, a second bevel gear 16 is fixedly arranged on the positive and negative screw rod 5, a second ball bearing 15 is fixedly arranged on the back surface of the mounting plate 4 in a penetrating manner, a rotating shaft 14 is fixedly arranged in the second ball bearing 15, one end of the rotating shaft 14, which is positioned in the chute 3, is fixedly provided with a first bevel gear 11, a mounting frame 12 is fixedly arranged on the back surface of the mounting plate 4, a motor 13 is fixedly arranged on the mounting frame 12, a power output shaft of the motor 13 is connected with the rotating shaft 14, a clamping assembly is in threaded connection with the positive and negative screw rod 5, the clamping assembly comprises an arc clamping plate 9 and a thread plate 17, the thread plate 17 is in threaded connection with the positive and negative screw rod 5, the thread plate 17 is in sliding connection with the mounting plate 4, an arc-shaped clamping plate 9 is fixedly arranged on the threaded plate 17, and the first bevel gear 11 is meshed with the second bevel gear 16;

starting a motor 13, wherein the motor 13 drives a first conical gear 11 and a second conical gear 16 through a rotating shaft 14 to enable a positive screw 5 and a negative screw 5 to rotate, the positive screw 5 drives two threaded plates 17 to approach each other, the two threaded plates 17 drive two arc-shaped clamping plates 9 to approach each other, when the two arc-shaped clamping plates 9 move to a certain position, the wellhead device body 1 is placed between the two arc-shaped clamping plates 9, and the motor 13 is controlled to enable the arc-shaped clamping plates 9 to clamp the wellhead device body;

finally, the universal wheels 7 are used for moving the universal wheels to a specified position, and then assembling can be carried out;

the bottom of mounting panel 4 is provided with a plurality of support columns 6, and 6 inside cavity structures that are of support column have set firmly electric telescopic handle 6 inside, and electric telescopic handle's flexible end and 4 rigid couplings of mounting panel have set firmly universal wheel 7 in 6 bottoms of support column.

Example 2

As shown in fig. 1 to 3, in the case where the other parts are the same as those of embodiment 1, this embodiment is different from embodiment 1 in that: a second groove 25 is formed in the arc-shaped clamping plate 9, a first groove 19 is formed in the top of the arc-shaped clamping plate 9 in a penetrating mode, a threaded sleeve 24 is fixedly arranged at the bottom of the arc-shaped clamping plate 9 in a penetrating mode, a second screw 23 is connected to the inner portion of the threaded sleeve 24 in a threaded mode, a third ball bearing 22 is sleeved on the second screw 23, a moving plate 18 is fixedly arranged at the top of the third ball bearing 22, a cushion block 21 is fixedly arranged at the top of the moving plate 18, a plurality of balls 20 are connected to the cushion block 21 in a rolling mode, and the moving plate 18 is connected with the arc-shaped clamping plate 9 in a sliding mode;

when the wellhead body 1 needs to be rotated and adjusted, the motor 13 is controlled to slightly release the wellhead body 1 from the arc-shaped clamping plate 9, and then the second screw 23 is rotated to drive the moving plate 18, the cushion block 21 and the balls 20 to move upwards by the second screw 23, so that the balls 20 move out of the arc-shaped clamping plate 9, the balls 20 are in contact with the fixing ring 2, and the wellhead body 1 can be easily rotated by the balls 20.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An integral production wellhead comprising a wellhead body (1), characterized in that: the wellhead assembly is characterized in that a fixing ring (2) is fixedly arranged on the wellhead assembly body (1), a mounting plate (4) is arranged below the fixing ring (2), a chute (3) is arranged on the mounting plate (4), a positive and negative screw rod (5) is arranged inside the chute (3), first ball bearings (10) are arranged at two ends of the positive and negative screw rod (5), the first ball bearings (10) are fixedly connected with the mounting plate (4), a second bevel gear (16) is fixedly arranged on the positive and negative screw rod (5), a second ball bearing (15) is fixedly arranged on the back surface of the mounting plate (4) in a penetrating manner, a rotating shaft (14) is fixedly arranged inside the second ball bearing (15), one end of the rotating shaft (14) which is located inside the chute (3) is fixedly provided with a first bevel gear (11), a mounting frame (12) is fixedly arranged on the back surface of the mounting plate (4), a motor (13) is fixedly arranged on the mounting frame (12), the power output shaft of the motor (13) is connected with the rotating shaft (14), and the positive and negative screw rods (5) are in threaded connection with a clamping assembly.

2. An integrated oil recovery wellhead assembly according to claim 1 in which: mounting panel (4) bottom is provided with a plurality of support columns (6), support column (6) are inside to be the cavity structure, support column (6) inside has set firmly electric telescopic handle, electric telescopic handle's flexible end and mounting panel (4) rigid coupling, support column (6) bottom has set firmly universal wheel (7).

3. An integrated oil recovery wellhead assembly according to claim 1 in which: the first bevel gear (11) is meshed with the second bevel gear (16).

4. An integrated oil recovery wellhead assembly according to claim 1 in which: the centre gripping subassembly includes arc splint (9), thread plate (17) and positive and negative screw rod (5) threaded connection, thread plate (17) and mounting panel (4) sliding connection, arc splint (9) have set firmly on thread plate (17).

5. An integrated production wellhead according to claim 4 in which: arc splint (9) inside is provided with second recess (25), arc splint (9) top is run through and is provided with first recess (19), arc splint (9) bottom is run through and is set firmly thread bush (24), thread bush (24) inside threaded connection has second screw rod (23), the cover is equipped with third ball bearing (22) on second screw rod (23), third ball bearing (22) top has set firmly movable plate (18), movable plate (18) top has set firmly cushion (21), roll connection has a plurality of balls (20) on cushion (21).

6. An integrated oil recovery wellhead assembly according to claim 5 in which: the moving plate (18) is connected with the arc-shaped clamping plate (9) in a sliding way.