CN212272103U

CN212272103U - Adjustable casing head

Info

Publication number: CN212272103U
Application number: CN202020457971.XU
Authority: CN
Inventors: 乐倩云; 朱为国; 张涛; 叶小婷; 武莎莎
Original assignee: Huaiyin Institute of Technology
Current assignee: Jiangsu Dingyi Construction Machinery Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2021-01-01
Anticipated expiration: 2030-04-01

Abstract

The utility model discloses an adjustable casing head, in particular to the technical field of pipeline structural components, comprising a first pipeline, wherein one side of the first pipeline is provided with a second pipeline, the interior of the second pipeline is provided with a through hole, the top and the bottom of the first pipeline are both provided with a pressing mechanism, and one side of the second pipeline close to the first pipeline is provided with a fixing mechanism; the pressing mechanism comprises a first limiting plate, a second limiting plate is arranged at the bottom of the first limiting plate, a third limiting plate is arranged at the bottom of the second limiting plate, and through grooves are formed in the second limiting plate and the third limiting plate; the fixing mechanism comprises a pull rod. The utility model discloses a first rotary rod rotates with the second rotary rod, makes first fixture block card go into first draw-in groove to make fixedly between first pipeline and the second pipeline, trade the first pipeline of different bores, all can be at the second pipeline internal fixation.

Description

Adjustable casing head

Technical Field

The utility model relates to a pipeline structural component technical field, more specifically say, the utility model relates to an adjustable's casing head.

Background

The casing head is used for fixing a well mouth of a well, connecting a casing string of the well mouth, supporting the gravity of a technical casing and an oil layer casing, sealing an annular space between layers of pipes, providing transitional connection for installing a blowout preventer and an oil pipe head and an oil production tree, and performing construction operations such as mud filling, mud monitoring, balance liquid filling and the like through two side ports on a casing head body by using a simple casing head (a casing head hanger is sealed by trying to seat before well cementation, the seat sealing is normal, but because the density of drilling fluid before well cementation is low, namely 1.15g/cm3, the density of well cementation cement slurry is high, namely 1.89g/cm3, the pressure difference is large, the hanger can not be normally seated in the fixed position of the casing head after well cementation, because the hanger can not be normally seated in the fixed position of the casing head, the plane of the hanger is higher than the plane of the casing head, the distance of each well higher than the plane of the casing head is unequal, the well completion pressure test is often unqualified, and the subsequent work of well mouth acidizing and fracturing, installation of a Christmas tree and the like brings a series of troubles, the production progress of a new well is influenced, in order to solve the technical problem, technicians in the field also design a novel casing head, but the problem is not properly solved all the time.

The utility model discloses a patent application publication No. CN 206256895U's utility model discloses a casing head, novel casing head includes casing head body, jackscrew assembly, first suspension sleeve, second suspension sleeve, rectangular seal assembly, coupling, sleeve pipe suspension position sleeve and end cap, casing head body top is provided with the jackscrew assembly, last coupling, first suspension sleeve of down once being provided with from last in the middle of the casing head body, be provided with rectangular seal assembly around the coupling, the coupling seat is put and is hung the position sleeve at the sleeve pipe, be provided with the end cap between first suspension sleeve and the second suspension sleeve.

But in actual use, the method still has more defects, such as being not suitable for pipelines with other specifications.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides an adjustable casing head rotates through first rotary rod and second rotary rod, makes first fixture block card go into first draw-in groove to make fixedly between first pipeline and the second pipeline, trade the first pipeline of different bores, all can be at the second pipeline internal fixation, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable casing head comprises a first pipeline, wherein a second pipeline is arranged on one side of the first pipeline, a through opening is formed in the second pipeline, pressing mechanisms are arranged at the top and the bottom of the first pipeline, and a fixing mechanism is arranged on one side, close to the first pipeline, of the second pipeline;

the pressing mechanism comprises a first limiting plate, a second limiting plate is arranged at the bottom of the first limiting plate, a third limiting plate is arranged at the bottom of the second limiting plate, and through grooves are formed in the second limiting plate and the third limiting plate;

the fixing mechanism comprises a pull rod, a first through hole is formed in the top of the pull rod, fourth clamping grooves are formed in the two sides of the inner wall of the first through hole, a second clamping block penetrates through the top of the second pipeline, and a second through hole is formed in the second pipeline.

In a preferred embodiment, the top and the bottom of the first pipeline are provided with second clamping grooves, the two sides of the first pipeline are provided with third clamping grooves, and the top and the bottom of the inner side of the second pipeline are provided with first clamping grooves.

In a preferred embodiment, the two second locking grooves are both of an integral structure with the first pipeline, the two third locking grooves are both of an integral structure with the first pipeline, and the two first locking grooves are both of an integral structure with the second pipeline.

In a preferred embodiment, the surface of the first pipe is provided with a moving cylinder, and the top and the bottom of the moving cylinder are provided with extrusion grooves.

In a preferred embodiment, a second rotating rod is arranged inside the second clamping groove, a first clamping block is arranged on one side, close to the second pipeline, of the second rotating rod, a rotating shaft is arranged on one side, away from the first clamping block, of the second rotating rod, and a first rotating rod is arranged on one side, away from the second rotating rod, of the rotating shaft.

In a preferable embodiment, both sides of the second fixture block are provided with third fixture blocks, one ends of the two third fixture blocks, which are far away from the second fixture block, are provided with fifth fixture grooves, and springs are arranged inside the two fifth fixture grooves.

In a preferred embodiment, the first limit plate and the second pipe are fixedly connected through a pin.

In a preferred embodiment, one end of the second fixture block, which is close to the second pipe, sequentially penetrates through the first limiting plate and the second through hole, and extends into the second pipe, and both the two third fixture blocks are slidably connected inside the fifth clamping groove at corresponding positions.

The utility model discloses a technological effect and advantage:

1. the utility model has the advantages that the first pipeline extends into the second pipeline, the pull rod is extruded through the second pipeline, the first rotary rod is extruded by the movable cylinder, the first rotary rod is rotated, the second rotary rod and the first clamping block are clamped into the first clamping groove in a rotating way, so that the first pipeline and the second pipeline are fixed, and the first pipelines with different calibers are fixed in the second pipeline by replacing the first pipelines with different calibers;

2. the utility model discloses a pull the second fixture block, it is downthehole to make the pull rod can insert the second, align first clearing hole in the pull rod with the second fixture block, loosen the second fixture block, it is inside to make the second fixture block reach first clearing hole, be favorable to the second fixture block to pass first clearing hole, thereby it is fixed to reach between first pipeline and the second pipeline, it only needs to pull out the second fixture block to demolish, thereby make the second fixture block break away from the inside of first clearing hole, thereby reach pull rod and second through hole separation, thereby reach first pipeline and second pipe separation.

Drawings

Fig. 1 is an overall schematic view of the present invention.

Fig. 2 is a perspective view of a first pipe portion of the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 1 according to the present invention.

Fig. 4 is an enlarged view of a portion B of fig. 1 according to the present invention.

Fig. 5 is a perspective view of the movable barrel of the present invention.

Fig. 6 is an enlarged view of a portion C of fig. 1 according to the present invention.

The reference signs are: 1 first pipeline, 2 first draw-in groove, 3 second pipeline, 4 pass through mouthful, 5 second draw-in grooves, 6 third draw-in groove, 7 pull rods, 8 removal section of thick bamboo, 9 fourth draw-in groove, 10 first clearing holes, 11 first rotary rod, 12 pivots, 13 extrusion grooves, 14 second rotary rod, 15 first fixture block, 16 second clearing holes, 17 second fixture block, 18 springs, 19 third fixture block, 20 fifth draw-in groove, 21 first limiting plate, 22 second limiting plate, 23 logical groove, 24 third limiting plate.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses an adjustable's casing head can include first pipeline 1, one side of first pipeline 1 is provided with second pipeline 3, the inside of second pipeline 3 is provided with through-hole 4, the top and the bottom of first pipeline 1 all are provided with pressing means, one side that second pipeline 3 is close to first pipeline 1 is provided with fixed establishment.

Referring to fig. 1-3 and fig. 5 in the specification, the adjustable casing head pressing mechanism of the embodiment includes a first limiting plate 21, a second limiting plate 22 is disposed at the bottom of the first limiting plate 21, a third limiting plate 24 is disposed at the bottom of the second limiting plate 22, and through grooves 23 are disposed inside the second limiting plate 22 and the third limiting plate 24.

Further, the top and the bottom of first pipeline 1 all are provided with second draw-in groove 5, the both sides of first pipeline 1 all are provided with third draw-in

groove

6, and 3 inboard tops of second pipeline and bottom all are provided with first draw-in groove 2.

Further, the second clamping grooves 5 are of an integrated structure with the first pipeline 1, the third clamping grooves 6 are of an integrated structure with the first pipeline 1, and the first clamping grooves 2 are of an integrated structure with the second pipeline 3.

Further, a moving cylinder 8 is arranged on the surface of the first pipeline 1, and extrusion grooves 13 are formed in the top and the bottom of the moving cylinder 8.

Further, a second rotating rod 14 is arranged inside the second clamping groove 5, a first clamping block 15 is arranged on one side, close to the second pipeline 3, of the second rotating rod 14, a rotating shaft 12 is arranged on one side, far away from the first clamping block 15, of the second rotating rod 14, and a first rotating rod 11 is arranged on one side, far away from the second rotating rod 14, of the rotating shaft 12.

The implementation scenario is specifically as follows: in actual use, the first pipeline 1 is inserted into the second pipeline 3, the pull rod 7 is extruded through the outer wall of the second pipeline 3, so that the pull rod 7 moves in the second pipeline 3, the moving cylinder 8 extrudes the first rotating rod 11, the first rotating rod 11 rotates, due to the rotation of the first rotating rod 11, the first rotating rod 11 is fixed with the second rotating rod 14, the second rotating rod 14 and the first clamping block 15 are of an integrated structure, so that the second rotating rod 14 and the first clamping block 15 rotate, then the first clamping block 15 is clamped into the first clamping groove 2 through rotation, so that the first pipeline 1 and the second pipeline 3 are fixed, through fixing the pull rod 7 and the second pipeline 3, the fixation between the first pipeline 1 and the second pipeline 3 is realized, through replacing the first pipelines 1 with different calibers, the fixation of the first pipelines 1 with different calibers in the second pipeline 3 is realized, the first pipeline 1 card of heavy-calibre is in one side of first limiting plate 21, and the first pipeline 1 card of minor caliber is in second limiting plate 22 one side, because be provided with logical groove 23 in third limiting plate 24 and the second limiting plate 22, makes liquid can follow and leads to the interior outflow of groove 23.

Referring to the attached

drawings

4 and 6 in the specification, the adjustable casing head fixing mechanism of the embodiment includes a pull rod 7, a first through hole 10 is formed in the top of the pull rod 7, fourth clamping grooves 9 are formed in two sides of the inner wall of the first through hole 10, a second clamping block 17 penetrates through the top of the second pipeline 3, and a second through hole 16 is formed in the second pipeline 3.

Further, both sides of the second fixture block 17 are provided with third fixture blocks 19, one ends, away from the second fixture block 17, of the two third fixture blocks 19 are provided with fifth fixture grooves 20, and springs 18 are arranged inside the two fifth fixture grooves 20.

Further, the first limiting plate 21 is fixedly connected with the second pipeline 3 through a pin.

Further, one end of the second fixture block 17, which is close to the second pipe 3, sequentially penetrates through the first limiting plate 21 and the second through hole 16, and extends into the second pipe 3, and the two third fixture blocks 19 are both slidably connected inside the fifth clamping grooves 20 at corresponding positions.

The implementation scenario is specifically as follows: in practical use, by pulling the second fixture 17, the pull rod 7 can be inserted into the second through hole 16, the first through hole 10 in the pull rod 7 is aligned with the second fixture 17, and by loosening the second fixture 17, the spring 18 presses the third fixture 19, so that the third fixture 19 can move in the fifth slot 20, then the second fixture 17 reaches the inside of the first through hole 10, and the third fixtures 19 on both sides of the second fixture 17 are clamped into the fourth slot 9, so that the third fixture 19 moves in the fourth slot 9, so that the second fixture 17 passes through the first through hole 10, so that the second fixture 17 and the first through hole 10 are fixed, so that the first pipe 1 and the second pipe 3 are fixed, and only the second fixture 17 needs to be pulled out after detachment, so that the second fixture 17 is separated from the inside of the first through hole 10, so that the pull rod 7 is separated from the second through hole 16, the first conduit 1 is separated from the second conduit 3.

In summary, the following steps: the first pipeline 1 extends into the second pipeline 3, the pull rod 7 is extruded through the outer wall of the second pipeline 3, so that the moving cylinder 8 extrudes the first rotating rod 11, the first rotating rod 11 and the second rotating rod 14 rotate, the first clamping block 15 is clamped into the first clamping groove 2, the first pipeline 1 and the second pipeline 3 are fixed, the second clamping block 17 is pulled, the pull rod 7 can be inserted into the second through hole 16, the first through hole 10 in the pull rod 7 is aligned with the second clamping block 17, the second clamping block 17 is loosened, the second clamping block 17 penetrates through the first through hole 10, the first pipeline 1 and the second pipeline 3 are fixed, the second clamping block 17 only needs to be pulled out after being disassembled, so that the second clamping block 17 is separated from the inside of the first through hole 10, the first pipeline 1 with different calibers is separated, and the first pipeline 1 with different calibers is replaced, so that the first pipeline 1 with different calibers is fixed in the second pipeline 3, the first pipeline 1 with the large caliber is clamped on one side of the first limiting plate 21, and the first pipeline 1 with the small caliber is clamped on one side of the second limiting plate 22.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable casing head, comprising a first pipe (1), characterized in that: a second pipeline (3) is arranged on one side of the first pipeline (1), a through opening (4) is formed in the second pipeline (3), pressing mechanisms are arranged at the top and the bottom of the first pipeline (1), and a fixing mechanism is arranged on one side, close to the first pipeline (1), of the second pipeline (3);

the pressing mechanism comprises a first limiting plate (21), a second limiting plate (22) is arranged at the bottom of the first limiting plate (21), a third limiting plate (24) is arranged at the bottom of the second limiting plate (22), and through grooves (23) are formed in the second limiting plate (22) and the third limiting plate (24);

the fixing mechanism comprises a pull rod (7), wherein a first through hole (10) is formed in the top of the pull rod (7), fourth clamping grooves (9) are formed in the two sides of the inner wall of the first through hole (10), a second clamping block (17) penetrates through the top of the second pipeline (3), and a second through hole (16) is formed in the second pipeline (3).

2. The adjustable casing head of claim 1, wherein: the top and the bottom of first pipeline (1) all are provided with second draw-in groove (5), the both sides of first pipeline (1) all are provided with third draw-in groove (6), and second pipeline (3) inboard top and bottom all are provided with first draw-in groove (2).

3. The adjustable casing head of claim 2, wherein: the two second clamping grooves (5) are of an integrated structure with the first pipeline (1), the two third clamping grooves (6) are of an integrated structure with the first pipeline (1), and the two first clamping grooves (2) are of an integrated structure with the second pipeline (3).

4. The adjustable casing head of claim 1, wherein: the surface of the first pipeline (1) is provided with a movable cylinder (8), and the top and the bottom of the movable cylinder (8) are provided with extrusion grooves (13).

5. The adjustable casing head of claim 2, wherein: the inside of second draw-in groove (5) is provided with second rotary rod (14), one side that second rotary rod (14) is close to second pipeline (3) is provided with first fixture block (15), one side that first fixture block (15) were kept away from in second rotary rod (14) is provided with pivot (12), one side that second rotary rod (14) were kept away from in pivot (12) is provided with first rotary rod (11).

6. The adjustable casing head of claim 1, wherein: third clamping blocks (19) are arranged on two sides of the second clamping block (17), fifth clamping grooves (20) are formed in the ends, far away from the second clamping block (17), of the two third clamping blocks (19), and springs (18) are arranged inside the two fifth clamping grooves (20).

7. The adjustable casing head of claim 1, wherein: the first limiting plate (21) is fixedly connected with the second pipeline (3) through a pin.

8. The adjustable casing head of claim 6, wherein: one end, close to the second pipeline (3), of the second clamping block (17) penetrates through the first limiting plate (21) and the second through hole (16) in sequence and extends into the second pipeline (3), and the second clamping block (17) is connected to the inside of the corresponding position fifth clamping groove (20) in a sliding mode.