CN112554860A

CN112554860A - Fracturing well head

Info

Publication number: CN112554860A
Application number: CN202011530568.6A
Authority: CN
Inventors: 邱晨; 顾正淼; 赵会明; 张霞; 李利成; 茆永成; 徐成华
Original assignee: Jiangsu Xiongyue Petroleum Mechanical Equipment Manufacturing Co ltd
Current assignee: Jiangsu Xiongyue Petroleum Mechanical Equipment Manufacturing Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-03-26
Anticipated expiration: 2040-12-22
Also published as: CN112554860B

Abstract

The invention discloses a fracturing wellhead which comprises a main body, wherein a first fracturing valve is arranged at the top of the main body, a connecting flange is arranged at the bottom of the first fracturing valve, a fracturing head is arranged at the bottom of the connecting flange, a second fracturing valve is arranged at the bottom of the fracturing head, a third fracturing valve is arranged at the bottom of the second fracturing valve, connecting flanges are arranged between the fracturing head and the second fracturing valve and between the fracturing head and the third fracturing valve, and connecting arms are fixed at the front parts of the first fracturing valve, the second fracturing valve and the third fracturing valve. According to the invention, the mounting sleeve is arranged, after the mounting sleeve is mounted outside the disc-shaped handle, the worm is rotated, the disc-shaped handle is driven to rotate by the worm through the meshing structure formed by the worm and the gear outside the mounting sleeve, and the rotating radian of the disc-shaped handle is accurately controlled by observing the number of meshed teeth, so that the opening and closing degree of the valve can be adjusted, and the valve is convenient to use.

Description

Fracturing well head

Technical Field

The invention relates to the technical field of fracturing well heads, in particular to a fracturing well head.

Background

In the field of petroleum, fracturing refers to a method for forming cracks in oil and gas layers by utilizing the hydraulic action in the process of oil extraction or gas production, and is also called hydraulic fracturing, wherein the fracturing is to artificially crack the strata, improve the flowing environment of oil in the underground and increase the yield of an oil well, and plays an important role in improving the flowing condition of the bottom of the oil well, slowing down the layers and improving the oil layer utilization condition.

Although the types and the number of the conventional fracturing well mouths are very large, the conventional fracturing well mouths still have certain problems and bring certain inconvenience to the use of the fracturing well mouths.

However, most fracturing well heads are controlled to open and close by rotating the disk-shaped handle in the using process, the opening and closing degree of the valve is adjusted by controlling the rotating radian of the disk-shaped handle difficultly and accurately, the use is influenced, and therefore the technology capable of improving the fracturing well head structure is urgently needed to perfect the equipment.

Disclosure of Invention

The invention aims to provide a fracturing wellhead, which solves the problem that the opening and closing of a valve are mostly controlled by rotating a disk-shaped handle in the use process of the fracturing wellhead, and the opening and closing degree of the valve is not easily and accurately controlled by the rotating radian of the disk-shaped handle to adjust, so that the use is influenced.

In order to achieve the purpose, the invention provides the following technical scheme: a fracturing wellhead comprises a main body, a first fracturing valve is arranged at the top of the main body, a connecting flange is arranged at the bottom of the first fracturing valve, a fracturing head is arranged at the bottom of the connecting flange, wherein,

the bottom of the fracturing head is provided with a second fracturing valve, the bottom of the second fracturing valve is provided with a third fracturing valve, connecting flanges are respectively arranged between the fracturing head and the second fracturing valve and between the fracturing head and the third fracturing valve, the front parts of the first fracturing valve, the second fracturing valve and the third fracturing valve are fixedly provided with connecting arms, the front parts of the connecting arms are rotatably connected with a disk-shaped handle, and reinforcing ribs are fixed inside the disk-shaped handle;

the utility model discloses a hydraulic fracturing valve, including disk handle, mounting sleeve, first fracturing valve, second fracturing valve and third fracturing valve, the outside of disk handle is provided with the mounting sleeve, the external fixation of mounting sleeve has the gear, the left side of first fracturing valve, second fracturing valve and third fracturing valve is fixed with the link, the inside of link rotates and is connected with the worm, the worm constitutes meshing structure with the gear, the left side of mounting sleeve is connected with the fixture block, the mounting groove has been seted up on the right side of mounting sleeve, the draw-in groove has been seted up to one side that the mounting sleeve is close to the mounting groove, the inner wall department that draw-in groove one side was kept.

Preferably, the number of the disc-shaped handles is three, and the outer parts of the three disc-shaped handles are provided with mounting sleeves.

Preferably, the clamping block and the clamping groove form a clamping structure.

Preferably, the mounting groove is communicated with the clamping groove, the section of the mounting groove is rectangular, and the section of the clamping groove is T-shaped.

Preferably, one side of the abutting plate close to the fixture block is a curved surface, and the height of the inclined surface of the abutting plate from one side close to the outlet of the mounting groove to one side of the inlet of the mounting groove is gradually increased.

Preferably, the abutting plate and the mounting sleeve form an elastic structure through a spring.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the mounting sleeve is arranged, after the mounting sleeve is mounted outside the disc-shaped handle, the worm is rotated, the disc-shaped handle is driven to rotate by the worm through the meshing structure formed by the worm and the gear outside the mounting sleeve, and the rotating radian of the disc-shaped handle is accurately controlled by observing the number of meshed teeth, so that the opening and closing degree of the valve can be adjusted, and the valve is convenient to use.

2. According to the invention, one side of the mounting sleeve is sleeved outside the disc-shaped handle by arranging the clamping block, then the clamping block on one side of the mounting sleeve is moved into the mounting groove on the other side of the mounting sleeve, the clamping block is pushed and moved into the clamping groove, and the clamping block is convenient for fixing the mounting sleeve through a clamping structure formed by the clamping block and the clamping groove.

Drawings

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

FIG. 2 is a cross-sectional view of the disc handle and mounting sleeve of the present invention;

FIG. 3 is an enlarged structural view taken along the line B-B;

FIG. 4 is an enlarged view of a portion A of FIG. 2 according to the present invention.

In the figure: 1. a main body; 2. a first frac valve; 3. a connecting flange; 4. a fracturing head; 5. a second frac valve; 6. a third frac valve; 7. a connecting arm; 8. a disc-shaped handle; 9. reinforcing ribs; 10. installing a sleeve; 11. a gear; 12. a connecting frame; 13. a worm; 14. a clamping block; 15. mounting grooves; 16. a card slot; 17. a spring; 18. and a support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a fracturing wellhead comprises a main body 1, a first fracturing valve 2, a connecting flange 3, a fracturing head 4, a second fracturing valve 5, a third fracturing valve 6, a connecting arm 7, a disc-shaped handle 8, a reinforcing rib 9, a mounting sleeve 10, a gear 11, a connecting frame 12, a worm 13, a clamping block 14, a mounting groove 15, a clamping groove 16, a spring 17 and a resisting plate 18, wherein the first fracturing valve 2 is arranged at the top of the main body 1, the connecting flange 3 is arranged at the bottom of the first fracturing valve 2, the fracturing head 4 is arranged at the bottom of the connecting flange 3, and the first fracturing valve 2, the connecting flange 3 and the second fracturing valve are sequentially connected,

the bottom of the fracturing head 4 is provided with a second fracturing valve 5, the bottom of the second fracturing valve 5 is provided with a third fracturing valve 6, connecting flanges 3 are respectively arranged between the fracturing head 4 and the second fracturing valve 5 and between the fracturing head 4 and the third fracturing valve 6, the front parts of the first fracturing valve 2, the second fracturing valve 5 and the third fracturing valve 6 are fixedly provided with connecting arms 7, the front parts of the connecting arms 7 are rotatably connected with disc-shaped handles 8, the disc-shaped handles 8 are provided with three parts, the three disc-shaped handles 8 are respectively provided with a mounting sleeve 10, after the mounting sleeves 10 are mounted on the outer parts of the disc-shaped handles 8, the worm 13 is rotated, the worm 13 drives the disc-shaped handles 8 to rotate through a meshing structure formed by gears 11 outside the mounting sleeves 10, the rotating radian of the disc-shaped handles 8 is accurately controlled by observing the number of meshed teeth, so as to adjust the opening and closing degree of the valves, the use is convenient, and the disk-shaped handle 8 is internally fixed with a reinforcing rib 9;

the outer portion of the disc-shaped handle 8 is provided with an installation sleeve 10, a gear 11 is fixed on the outer portion of the installation sleeve 10, a connection frame 12 is fixed on the left sides of the first fracturing valve 2, the second fracturing valve 5 and the third fracturing valve 6, a worm 13 is connected to the connection frame 12 in a rotating mode, the worm 13 and the gear 11 form a meshing structure, a clamping block 14 is connected to the left side of the installation sleeve 10, the clamping block 14 and a clamping groove 16 form a clamping structure, an installation groove 15 is formed in the right side of the installation sleeve 10, the installation groove 15 is communicated with the clamping groove 16, the cross section of the installation groove 15 is rectangular, the cross section of the clamping groove 16 is T-shaped, one side of the installation sleeve 10 is sleeved on the outer portion of the disc-shaped handle 8, the material on the inner side of the installation sleeve 10 is made of soft silica gel, friction between the installation sleeve 10 and the disc-shaped handle 8 is increased, and relative rotation, then, moving the fixture block 14 on one side of the mounting sleeve 10 into the mounting groove 15 on the other side of the mounting sleeve 10, pushing the fixture block 14, moving the fixture block 14 into the clamping groove 16, facilitating the fixing of the mounting sleeve 10 by the fixture block 14 through a clamping structure formed with the clamping groove 16, forming the clamping groove 16 on one side of the mounting sleeve 10 close to the mounting groove 15, connecting a spring 17 to the inner wall of the mounting groove 15 far from one side of the clamping groove 16, connecting a resisting plate 18 to the other side of the spring 17, forming a curved surface on one side of the resisting plate 18 close to the fixture block 14, gradually increasing the height of the resisting plate 18 from one side close to the outlet of the mounting groove 15 to the slope surface on one side of the inlet of the mounting groove 15, forming an elastic structure with the mounting sleeve 10 through the spring 17, when the mounting sleeve 10 drives the fixture block 14 to move into the mounting groove 15, the fixture block 14 is resisted against the edge of the, the abutting plate 18 moves towards one side far away from the clamping groove 16, the spring 17 is compressed, when the fixture block 14 moves into the clamping groove 16, the abutting plate 18 abuts against the fixture block 14 through an elastic structure formed by the spring 17, and the fixture block 14 is prevented from shaking left and right to enable the mounting sleeve 10 to be fixed unstably.

The working principle is as follows: when the fracturing wellhead is used, firstly, one side of a mounting sleeve 10 is sleeved outside a disc-shaped handle 8, the material of the inner side of the mounting sleeve 10 is soft silica gel, the friction force between the mounting sleeve 10 and the disc-shaped handle 8 is increased, relative rotation between the mounting sleeve 10 and the disc-shaped handle 8 is avoided, then, a clamping block 14 on one side of the mounting sleeve 10 is moved into a mounting groove 15 on the other side of the mounting sleeve 10, the clamping block 14 abuts against the edge of a resisting plate 18, one side, close to the clamping block 14, of the resisting plate 18 is a curved surface, the resisting plate 18 moves towards one side far away from a clamping groove 16, a spring 17 is compressed, then, the clamping block 14 is pushed, the clamping block 14 is moved into a clamping groove 16, the resisting plate 18 abuts against the clamping block 14 through an elastic structure formed by the spring 17, the clamping block 14 is convenient to fix the mounting sleeve 10 through a clamping structure formed by the clamping plate 14 and the clamping groove 16, then, a worm 13 is rotated, the worm 13 drives the, the radian of the rotation of the disc-shaped handle 8 is accurately controlled by observing the number of meshed teeth, so that the opening and closing degree of the valve is adjusted, and the valve is convenient to use.

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

Claims

1. A frac wellhead comprising a body (1), characterized in that: the top of the main body (1) is provided with a first fracturing valve (2), the bottom of the first fracturing valve (2) is provided with a connecting flange (3), the bottom of the connecting flange (3) is provided with a fracturing head (4), wherein,

a second fracturing valve (5) is arranged at the bottom of the fracturing head (4), a third fracturing valve (6) is arranged at the bottom of the second fracturing valve (5), connecting flanges (3) are respectively arranged between the fracturing head (4) and the second fracturing valve (5) and between the fracturing head (4) and the third fracturing valve (6), connecting arms (7) are fixed at the front parts of the first fracturing valve (2), the second fracturing valve (5) and the third fracturing valve (6), a disc-shaped handle (8) is rotatably connected at the front part of each connecting arm (7), and reinforcing ribs (9) are fixed inside the disc-shaped handle (8);

the outside of disk handle (8) is provided with installation cover (10), the external fixation of installation cover (10) has gear (11), the left side of first fracturing valve (2), second fracturing valve (5) and third fracturing valve (6) is fixed with carriage (12), the internal rotation of carriage (12) is connected with worm (13), worm (13) and gear (11) constitute the engagement structure, the left side of installation cover (10) is connected with fixture block (14), mounting groove (15) have been seted up on the right side of installation cover (10), draw-in groove (16) have been seted up to one side that installation cover (10) are close to mounting groove (15), the inner wall department that draw-in groove (16) one side was kept away from in mounting groove (15) is connected with spring (17), the opposite side of spring (17) is connected with and supports board (18).

2. The fracturing wellhead of claim 1, wherein: the number of the disc-shaped handles (8) is three, and mounting sleeves (10) are arranged outside the three disc-shaped handles (8).

3. The fracturing wellhead of claim 1, wherein: the clamping block (14) and the clamping groove (16) form a clamping structure.

4. The fracturing wellhead of claim 1, wherein: the mounting groove (15) is communicated with the clamping groove (16), the section of the mounting groove (15) is rectangular, and the section of the clamping groove (16) is T-shaped.

5. The fracturing wellhead of claim 1, wherein: one side of the abutting plate (18) close to the clamping block (14) is a curved surface, and the height of the inclined surface of the abutting plate (18) from one side close to the outlet of the mounting groove (15) to one side of the inlet of the mounting groove (15) is gradually increased.

6. The fracturing wellhead of claim 1, wherein: the abutting plate (18) and the mounting sleeve (10) form an elastic structure through a spring (17).