CN219795206U

CN219795206U - Quick-assembling casing head of petroleum wellhead device

Info

Publication number: CN219795206U
Application number: CN202321162361.7U
Authority: CN
Inventors: 孙胜清; 潘明浩; 丁中铭; 李书乐; 季旭琴; 王闻闻; 朱红; 张国兵
Original assignee: Jiangsu Supo Petrochemical Machinery Co ltd
Current assignee: Jiangsu Supo Petrochemical Machinery Co ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2023-10-03
Anticipated expiration: 2033-05-15

Abstract

The utility model discloses a quick-assembling casing head of an oil wellhead device, which comprises a device body, wherein a damping component is detachably connected to the side surface of the device body, a sealing component is movably arranged in the device body, the device body comprises two connecting pipes, and connecting discs are fixedly connected to the upper end and the lower end of the two connecting pipes. According to the utility model, the device body is matched with the sealing assembly, so that the structure is simple and convenient to operate, the casing head can be quickly installed, the installation efficiency can be improved, in addition, the tension and vibration applied to the casing head can be reduced through the device body matched with the damping assembly, the casing head can be further protected, the casing head is prevented from being damaged, and the cost loss is reduced.

Description

Quick-assembling casing head of petroleum wellhead device

Technical Field

The utility model relates to the field of casing heads, in particular to a quick-assembling casing head of an oil wellhead device.

Background

The casing head is used for fixing the well drilling well head, connect well head casing string for support technical sleeve and oil reservoir sleeve gravity, the device of sealed each inter-layer annular space of pipe, current casing head is mostly overall structure, therefore the operation is comparatively loaded down with trivial details when installing fixedly, consequently, work efficiency that reduces, based on this, it is necessary to provide a fast-assembling formula, the simple operation, it is necessary to improve the casing head of installation efficiency, in addition, current casing head overall structure is comparatively single, do not possess protective properties, can't protect oneself when great pulling force or vibrations appear, therefore there is the cracked gap of casing head, and then cause cost loss, based on this, it is necessary to provide a casing head that protectiveness is strong, can reduce cost loss.

Disclosure of Invention

The utility model aims to provide a quick-assembling casing head of an oil wellhead device, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the quick-assembling casing head of the petroleum wellhead device comprises a device body, wherein a damping component is detachably connected to the side surface of the device body, and a sealing component is movably installed in the device body;

the device body includes two connecting pipes, two the equal fixedly connected with connection pad in upper and lower both ends of connecting pipe, two the mounting groove has all been seted up on the surface of connection pad, the inside movable mounting of mounting groove has the mounting disc, two the equal fixed mounting in surface of connection pad has two spiral rings, damper includes a plurality of attenuator, a plurality of the equal fixedly connected with spiral shell piece in both ends of attenuator, a plurality of the side surface of attenuator is all fixed to have cup jointed the spring, the both ends of spring are all fixed mutually with two spiral shell pieces.

As a preferable scheme of the utility model, one side of each of the two connecting pipes is fixedly connected with a side pipe, one end of each side pipe is fixedly connected with a side plate, the surface of each side plate is provided with a fixing groove, the inside of each fixing groove is movably provided with a sealing sheet, and the surfaces of each sealing sheet and each fixing groove are provided with a plurality of first screw holes.

As a preferable scheme of the utility model, a plurality of second screw holes are formed on the surfaces of the mounting groove and the mounting disc.

As a preferable scheme of the utility model, the sealing assembly comprises a sealing tube arranged in the connecting tube, two sides of the sealing tube are provided with engaging holes, and the engaging holes are aligned with the side tubes.

As a preferable scheme of the utility model, the connecting pipe and the connecting disc are made of alloy steel materials.

As a preferable scheme of the utility model, screw blocks at two ends of the damper are connected in a screw ring on the surfaces of the two connecting discs in a threaded manner.

As a preferable scheme of the utility model, the mounting plate, the sealing piece and the sealing tube are all made of natural rubber materials.

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

1. according to the utility model, the sleeve head can be quickly installed through the device body matched with the sealing assembly, so that the working efficiency can be improved, during installation, the two connecting pipes and the connecting disc are spliced and respectively sleeved on the side surfaces of the technical sleeve and the oil layer sleeve, then the two mounting discs are respectively installed in the mounting grooves at the two ends, and finally the bolts are connected in the second screw holes, so that the sleeve head can be quickly installed and fixed, and therefore, the installation efficiency can be improved;

2. the device body is matched with the damping component to buffer when the device body receives larger pulling force or vibration, so that the device body can be protected, when the device is used, the damping component and the device body can be connected in a spiral ring through threaded connection of the screw blocks, when the connecting pipe and the connecting disc are subjected to pulling force or vibration, the spring is matched with the damper to weaken and buffer the pulling force and vibration, so that the protection effect on the connecting disc and the connecting pipe can be achieved, and compared with a casing head with a single structure in the prior art, the device can protect the casing head through the operation, and further can reduce cost loss.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a disassembled view of the body structure of the device of the present utility model;

FIG. 3 is a schematic view of a shock absorbing assembly according to the present utility model;

FIG. 4 is a schematic view of a seal assembly according to the present utility model.

In the figure: 1. a device body; 11. a connecting pipe; 12. a connecting disc; 13. a mounting groove; 14. a mounting plate; 15. a spiro ring; 111. a side pipe; 112. a side plate; 113. a fixing groove; 114. a sealing sheet; 115. a first screw hole; 121. a second screw hole; 2. a shock absorbing assembly; 21. a damper; 22. a screw block; 23. a spring; 3. a seal assembly; 31. sealing the tube; 32. fitting the hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the quick-assembling casing head of the petroleum wellhead device comprises a device body 1, wherein a damping component 2 is detachably connected to the side surface of the device body 1, and a sealing component 3 is movably arranged in the device body 1;

the device body 1 includes two connecting pipes 11, the equal fixedly connected with connection pad 12 in upper and lower both ends of two connecting pipes 11, mounting groove 13 has all been seted up on the surface of two connection pads 12, the inside movable mounting of mounting groove 13 has mounting plate 14, the equal fixed mounting in surface of two connection pads 12 has two spiro rings 15, damper 2 includes a plurality of attenuator 21, the equal fixedly connected with screw 22 in both ends of a plurality of attenuator 21, the side surface of a plurality of attenuator 21 has all been fixed to cup jointed spring 23, spring 23's both ends are all fixed mutually with two screw 22.

Specifically, not only simple structure simple operation through device body 1 cooperation seal assembly 3, can also install the casing head fast simultaneously, and then can improve installation effectiveness, in addition, can also reduce pulling force and vibrations that the casing head received through device body 1 cooperation damper assembly 2, and then can protect the casing head, consequently can avoid the casing head to damage, reduce cost loss, when the installation, splice two connecting pipes 11 and connection pad 12 at first, both ends are connected with technical sleeve pipe and oil reservoir sleeve pipe respectively simultaneously, install mounting plate 14 at mounting groove 13 inside can carry out preliminary spacing concatenation with two connecting plates 12 and connecting pipe 11, finally with bolt threaded connection at second screw 121 inside can accomplish the installation work of casing head.

In this embodiment: one side of each connecting pipe 11 is fixedly connected with a side pipe 111, one end of each side pipe 111 is fixedly connected with a side disc 112, a fixing groove 113 is formed in the surface of each side disc 112, a sealing plate 114 is movably mounted in each fixing groove 113, and a plurality of first screw holes 115 are formed in the surfaces of each sealing plate 114 and each fixing groove 113.

Specifically, the side pipe 111 is matched with the side disc 112 to be connected with an external pipeline, and meanwhile, the sealing sheet 114 can enhance the sealing performance between the side disc 112 and the external pipeline, so that the sealing effect of the casing head is ensured.

In this embodiment: the surfaces of the mounting groove 13 and the mounting plate 14 are provided with a plurality of second screw holes 121.

Specifically, the connection pad 12 and the technique sleeve can be connected to the oil layer sleeve by the second screw hole 121 in cooperation with a bolt.

In this embodiment: the seal assembly 3 includes a seal tube 31 mounted inside the connection tube 11, and engagement holes 32 are formed in both sides of the seal tube 31, the engagement holes 32 being aligned with the side tubes 111.

Specifically, the sealing pipe 31 and the connection pipe 11 are connected to enhance the sealing property, avoid leakage, and enhance the friction between the technical casing and the oil casing.

In this embodiment: the connecting pipe 11 and the connecting disc 12 are made of alloy steel.

Specifically, the alloy steel connecting pipe 11 and the connecting disc 12 can strengthen the strength of the connecting pipe, further prolong the service life and reduce the cost loss.

In this embodiment: screw blocks 22 at two ends of the damper 21 are connected inside the spiral rings 15 on the surfaces of the two connecting discs 12 in a threaded manner.

Specifically, the damper 2 and the device body 1 can be connected and fixed by screwing the screw block 22 inside the spiral ring 15, and the disassembly is convenient.

In this embodiment: the mounting plate 14, the sealing piece 114 and the sealing tube 31 are all made of natural rubber.

Specifically, the mounting plate 14 made of natural rubber can enhance the connection stability with the connecting plate 12, and can enhance the sealing property with the oil casing and the technical casing, and the sealing sheet 114 can enhance the sealing property with the external pipeline.

Working principle: when the quick casing head is used, when the quick casing head is quickly installed, the two connecting pipes 11 and the connecting disc 12 are spliced, the two ends of the connecting pipe are respectively sleeved on the side surfaces of the technical casing and the oil layer casing, then the mounting disc 14 is installed in the mounting groove 13, the two connecting pipes 11 and the connecting disc 12 can be initially limited through the mounting disc 14, finally the bolts are in threaded connection with the second screw holes 121, the installation work can be completed, the quick casing head is simple and convenient to operate, and meanwhile, the quick casing head is quickly installed, so that the installation efficiency can be improved, in addition, when the casing head is subjected to large pulling force or vibration, the pulling force and vibration to the casing head can be reduced through the springs 23 and the dampers 21, and the casing head can be further protected, so that the cost loss can be reduced.

Claims

1. The utility model provides a petroleum wellhead assembly fast-assembling casing head, includes device body (1), its characterized in that: the side surface of the device body (1) is detachably connected with a damping component (2), and a sealing component (3) is movably arranged in the device body (1);

the device body (1) comprises two connecting pipes (11), two connecting pipes (11) are fixedly connected with connecting discs (12) at the upper end and the lower end respectively, two mounting grooves (13) are formed in the surfaces of the connecting discs (12), mounting discs (14) are movably mounted in the mounting grooves (13), two spiral rings (15) are fixedly mounted on the surfaces of the connecting discs (12), the damping component (2) comprises a plurality of dampers (21), screw blocks (22) are fixedly connected to the two ends of each damper (21), springs (23) are fixedly sleeved on the side surfaces of the dampers (21), and the two ends of each spring (23) are fixedly connected with the two screw blocks (22).

2. The quick-assembly casing head for a petroleum wellhead according to claim 1, wherein: two one sides of connecting pipe (11) are all fixedly connected with side pipe (111), one end fixedly connected with side dish (112) of side pipe (111), fixed slot (113) have been seted up on the surface of side dish (112), the inside movable mounting of fixed slot (113) has sealing fin (114), a plurality of first screw (115) have all been seted up on the surface of sealing fin (114) and fixed slot (113).

3. The quick-assembly casing head for a petroleum wellhead according to claim 1, wherein: the surfaces of the mounting groove (13) and the mounting disc (14) are provided with a plurality of second screw holes (121).

4. The quick-assembly casing head for a petroleum wellhead according to claim 1, wherein: the sealing assembly (3) comprises a sealing tube (31) arranged in the connecting tube (11), two sides of the sealing tube (31) are provided with engaging holes (32), and the engaging holes (32) are aligned with the side tubes (111).

5. The quick-assembly casing head for a petroleum wellhead according to claim 1, wherein: the connecting pipe (11) and the connecting disc (12) are made of alloy steel materials.

6. The quick-assembly casing head for a petroleum wellhead according to claim 1, wherein: screw blocks (22) at two ends of the damper (21) are in threaded connection with the insides of the spiral rings (15) on the surfaces of the two connecting discs (12).

7. The quick-assembly casing head for a petroleum wellhead according to claim 1, wherein: the mounting plate (14), the sealing piece (114) and the sealing tube (31) are made of natural rubber.