CN117536566B

CN117536566B - Automatically controlled removal dismouting formula kill manifold convenient to overhaul

Info

Publication number: CN117536566B
Application number: CN202410022334.2A
Authority: CN
Inventors: 姜金维
Original assignee: JIANGSU HONGTAI PETROCHEMICAL MACHINERY CO Ltd
Current assignee: JIANGSU HONGTAI PETROCHEMICAL MACHINERY CO Ltd
Priority date: 2024-01-08
Filing date: 2024-01-08
Publication date: 2024-03-08
Anticipated expiration: 2044-01-08
Also published as: CN117536566A

Abstract

The invention belongs to the field of well killing manifolds, and discloses an electric control movable disassembly and assembly type well killing manifold convenient to overhaul, which comprises a bottom plate, wherein a five-way and manual flat valve gate is arranged on the bottom plate; one end of the main connecting pipe is fixedly connected with one side of the five-way pipe; one end of the secondary connecting pipe is fixedly connected with the manual flat valve gate, and the other end of the secondary connecting pipe is movably spliced with the main connecting pipe; the anchor ear is movably arranged on the main connecting pipe and used for fastening the joint of the main connecting pipe and the connecting pipe; the functional component is arranged inside the main connecting pipe and is used for supporting the joint of the anchor ear from the inside of the main connecting pipe. According to the invention, the main pipe body and the secondary pipe body are mutually spliced and locked by using the anchor ear, and meanwhile, the functional component is arranged in the main pipe body, so that when the anchor ear is used for extruding and locking the joint of the main pipe body and the secondary pipe body, the joint of the main pipe body and the secondary pipe body can be supported by using the support structure on the functional component.

Description

Automatically controlled removal dismouting formula kill manifold convenient to overhaul

Technical Field

The invention belongs to the technical field of well killing manifolds, and particularly relates to an electric control movable dismounting well killing manifold convenient to overhaul.

Background

In the production operation process of an oil-gas well in an oil field, a throttle well-killing manifold is required to be equipped for preventing sudden accidents such as kick, blowout and the like and realizing effective control of the pressure of the oil-gas well; the function of the device is as follows: when the drilling fluid cannot circulate normally through the drill string, the drilling fluid can be pumped into the well through the well killing manifold, so that the purpose of controlling the well pressure is achieved; one end of the well killing manifold is connected with the side hole of the drilling four-way pipe in a normal state, one end of the well killing manifold is connected with the drilling mud pump, and the adopted connecting mode is mainly flange connection, so that the whole well killing manifold is more troublesome to install and detach, and is inconvenient to overhaul.

For example, chinese patent with publication number CN116241208B discloses an integral throttle well control manifold, which is configured to be matched with each other by a male connector, a female connector, a first valve core, a first diversion channel and other structures, so as to realize rapid installation or disassembly of the well control manifold and an external pipeline, and save installation time.

Although the above patent can achieve the effect of quick assembly and disassembly, the following problems still exist:

because the diameter of the well killing manifold is generally larger, the above-mentioned plug-in structure is adopted, the plug-in position is limited only by utilizing the steel ball and the elastic piece structure, the stability is poor, the phenomenon that the connection position falls off is easily caused under the action of fluid impact force in the pipeline, and then the potential safety hazard is brought.

Disclosure of Invention

The invention aims to provide an electric control movable detachable well control pipe which is convenient to overhaul and is used for solving the technical problems in the background technology.

In order to achieve the above purpose, the present invention adopts the following technical scheme: an electric control movable dismounting type well killing manifold convenient to overhaul comprises a bottom plate, wherein a five-way and manual flat valve gate is arranged on the bottom plate; one end of the main connecting pipe is fixedly connected with one side of the five-way pipe; one end of the secondary connecting pipe is fixedly connected with the manual flat valve gate, and the other end of the secondary connecting pipe is movably spliced with the main connecting pipe; the anchor ear is movably arranged on the main connecting pipe and used for fastening the joint of the main connecting pipe and the secondary connecting pipe; the functional component is arranged inside the main connecting pipe and is used for supporting the joint of the anchor ear from the inside of the main connecting pipe; the functional component comprises: the fixed shaft is arranged inside the main connecting pipe; the support structure is arranged on the fixed shaft and is used for supporting the joint of the anchor ear when the support structure is unfolded; the connecting part of the main connecting pipe and the secondary connecting pipe is extruded from outside to inside when the anchor ear is closed, and meanwhile, the supporting structure is matched with the anchor ear to extrude the connecting part of the main connecting pipe and the secondary connecting pipe from inside to outside.

Preferably, the main connection pipe includes: the main pipe body is fixedly arranged on one side of the five-way pipe, and one end of the main pipe body is arranged in an opening shape; the connecting sleeve is fixedly arranged at one end of the opening of the main pipe body; the annular convex eave is arranged on the inner wall of the connecting sleeve; the sealing piece is arranged on the annular convex eave; the longitudinal through groove is formed in the connecting sleeve and is parallel to the central shaft of the main pipe body; the annular limiting grooves are oppositely arranged on the connecting sleeve and are intersected with the longitudinal through grooves.

Preferably, the secondary connection pipe includes: one end of the secondary pipe body is fixedly connected with one side of the manual flat valve gate, and the other end of the secondary pipe body extends to be positioned in the main pipe body and is abutted with the annular convex eave; the convex strips are fixedly arranged on the surface of the secondary pipe body and correspond to the longitudinal through grooves on the main pipe body; the groove is formed in the convex strip and matched with the annular limiting groove.

Preferably, the anchor ear includes: the hinge shaft is fixedly arranged on the connecting sleeve; the first hoop is arranged on the surface of the connecting sleeve and is movably connected with the hinge shaft; the second hoop is symmetrically arranged with the first hoop and is movably connected with the hinge shaft; and the limiting piece is used for fixedly connecting the first hoop piece and the second hoop piece.

Preferably, the first hoop comprises: an arc-shaped hoop plate; the clamping strip is fixedly arranged on the inner cambered surface of the arc-shaped hoop plate and is matched with the groove and the annular limiting groove; the rubber pad is fixedly arranged on the inner cambered surface of the arc-shaped hoop plate and is abutted against the surface of the connecting sleeve; wherein the second hoop is the same structure as the first hoop.

Preferably, the limiting member includes: the first U-shaped lug is fixedly arranged on one side of the first hoop; the second U-shaped lug is fixedly arranged on one side of the second hoop piece and is opposite to the first U-shaped lug; the screw rod is arranged in the first U-shaped lug and hinged with the first U-shaped lug; the thread sleeve is sleeved on the screw rod; the positioning disc is fixedly arranged on the thread sleeve; and if the screw rod is positioned in the second U-shaped lug, the positioning disc is abutted with the lower surface of the second U-shaped lug.

Preferably, the support structure comprises: the first hinging rod is movably arranged on the fixed shaft; the second hinging rod is arranged opposite to the first hinging rod and is movably connected with the fixed shaft; the backup pad sets up first articulated pole and the one end that the fixed axle was kept away from to the second articulated pole, the backup pad is articulated with first articulated pole and second articulated pole.

Preferably, a sliding structure is arranged on the fixed shaft, and the sliding structure comprises: the sliding sleeve is sleeved on the fixed shaft in a sliding manner and is movably connected with the first hinging rod; the sliding cavity is arranged at one end of the fixed shaft far away from the five-way pipe; the sliding groove is formed in the fixed shaft and penetrates through the sliding cavity; the sliding plate is arranged in the sliding cavity and fixedly connected with the sliding sleeve through a connecting rod, and the connecting rod penetrates through the sliding groove; the compression spring is arranged in the sliding cavity and fixedly connected with one side surface of the sliding plate.

Preferably, the secondary connection pipe is internally provided with an abutting piece, and the abutting piece comprises: the abutting shaft is coaxially arranged with the fixed shaft; one end of the fixed rod is fixedly connected with the inner wall of the secondary connecting pipe, and the other end of the fixed rod is fixedly connected with the abutting shaft; when the secondary connecting pipe is inserted into the main connecting pipe, the abutting shaft abuts against the sliding plate.

Preferably, the surface of both sides of the supporting plate is provided with a plurality of special-shaped ribs, and the special-shaped ribs are uniformly distributed on the supporting plate.

In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:

1. according to the invention, the main pipe body and the secondary pipe body are mutually spliced and locked by using the anchor ear, and meanwhile, the functional component is arranged in the main pipe body, so that when the anchor ear is used for extruding and locking the joint of the main pipe body and the secondary pipe body, the joint of the main pipe body and the secondary pipe body is supported by using the support structure on the functional component to be unfolded from the interior of the main pipe body, and then the main pipe body and the secondary pipe body can be stably connected by matching with the anchor ear, and meanwhile, the deformation of the joint can be avoided, and the main pipe body and the secondary pipe body are quickly connected by the anchor ear, so that the main pipe body and the secondary pipe body are convenient to detach and overhaul.

2. According to the invention, the functional components are arranged, so that when the supporting structure is unfolded to support, the slurry flowing in the main pipe body and the secondary pipe body can be guided by the plurality of supporting plates, the collision of the slurry on the joint of the main pipe body and the secondary pipe body is reduced, and the stability of connection is further ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a front view of the present invention;

FIG. 2 is a schematic diagram showing the connection structure of the primary connection pipe and the secondary connection pipe according to the present invention;

FIG. 3 shows a construction diagram of a main connection pipe of the present invention;

FIG. 4 shows a construction of a secondary connection pipe of the present invention;

FIG. 5 shows a split structure of the primary and secondary connection pipes of the present invention;

FIG. 6 shows a diagram of the splicing combination of the primary and secondary connecting pipes of the present invention;

FIG. 7 shows a block diagram of the anchor ear of the present invention;

FIG. 8 shows a first ferrule configuration of the present invention;

FIG. 9 shows a block diagram of the functional components of the present invention;

FIG. 10 shows a cross-sectional view of a functional assembly of the present invention;

FIG. 11 is an enlarged view of the portion A of FIG. 10 illustrating the construction of the present invention;

FIG. 12 is a view showing a structure of a sliding sleeve and a fixed shaft connection of the present invention;

fig. 13 shows a structural view of the support plate of the present invention.

Reference numerals: 100. a bottom plate; 101. five-way; 102. a manual flat valve gate; 103. a main connecting pipe; 103a, a main pipe body; 103b, connecting sleeve; 103b-1, annular ledge; 103b-2, seals; 103c, longitudinal through grooves; 103d, an annular limiting groove; 104. a secondary connection pipe; 104a, secondary pipe body; 104b, a convex strip; 104c, grooves; 200. a hoop; 201. a hinge shaft; 202. a first hoop; 202a, an arc-shaped hoop plate; 202b, clamping strips; 202c, a rubber pad; 203. a second hoop; 204. a limiting piece; 204a, a first U-shaped ear; 204b, a second U-shaped ear; 204c, a screw; 204d, a threaded sleeve; 204e, positioning disc; 300. a functional component; 301. a fixed shaft; 302. a support structure; 302a, a first hinge lever; 302b, a second hinge lever; 302c, a support plate; 302c-1, ribs; 303. a sliding structure; 303a, sliding sleeve; 303b, a sliding chamber; 303c, a chute; 303d, a sliding plate; 303e, compression springs; 304. an abutment; 304a, abutting the shaft; 304b, fixing rod.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1 and 2, an electrically controlled movable detachable well killing manifold convenient to overhaul comprises a bottom plate 100, wherein the bottom plate 100 is provided with five-way 101 and manual flat valve gates 102, at least 4 manual flat valve gates 102 are arranged, four manual flat valve gates 102 are respectively connected with four interfaces of the five-way 101, main connecting pipes 103 are fixedly connected at the four interfaces of the five-way 101, one side of each manual flat valve gate 102 is fixedly connected with a secondary connecting pipe 104, and one end of each secondary connecting pipe 104 is movably spliced with the main connecting pipe 103, so that the manual flat valve gates 102 can be communicated with the five-way 101; the main connecting pipe 103 is hinged with a hoop 200 for fastening the joint of the main connecting pipe 103 and the secondary connecting pipe 104;

in this embodiment, the manual flat gate valve is inserted into the main connection pipe 103 through one end of the sub connection pipe 104, and then the connection portion of the main connection pipe 103 and the sub connection pipe 104 is fastened by the anchor ear 200, so that the manual flat gate valve is communicated with the five-way pipe 101.

Specifically, referring to fig. 3, the main connection pipe 103 includes a main pipe body 103a, and the main pipe body 103a is fixedly installed on one side of the five-way pipe 101, and one end is provided in an opening shape; one end of the opening of the main pipe body 103a is fixedly connected with a connecting sleeve 103b, the connecting sleeve 103b and the main pipe body 103a are integrally arranged, and an annular convex eave 103b-1 is arranged on the inner wall of the connecting sleeve 103 b; the annular flange 103b-1 is provided with a sealing element 103b-2 for sealing the connection part of the secondary connection pipe 104 and the primary connection pipe 103, wherein the sealing element 103b-2 can be a rubber sealing gasket; the connecting sleeve 103b is provided with a plurality of longitudinal through grooves 103c, and the longitudinal through grooves 103c are parallel to the central axis of the main pipe body 103 a; the outside of the connecting sleeve 103b is provided with annular limiting grooves 103d, at least two annular limiting grooves 103d are arranged, and the two annular limiting grooves 103d are oppositely arranged on the connecting sleeve 103b and are intersected with the longitudinal through groove 103 c.

Further, referring to fig. 1, 4, 5 and 9, the secondary connection pipe 104 includes a secondary pipe body 104a, one end of the secondary pipe body 104a is fixedly connected to one side of the manual flat valve 102, the other end extends into the main pipe body 103a and abuts against the annular ledge 103b-1, one end of the secondary pipe body 104a extending into the main pipe body 103a is inclined and matched with the sealing member 103b-2, and when the secondary pipe body 104a is inserted into the main pipe body 103a, the joint between the secondary pipe body 104a and the main pipe body 103a can be sealed; the surface of the secondary pipe body 104a is provided with a plurality of raised lines 104b, the raised lines 104b are the same as the longitudinal through grooves 103c in number and are correspondingly arranged, and when the secondary pipe body 104a is inserted into the main pipe body 103a, the raised lines 104b are blocked into the longitudinal through grooves 103 c; grooves 104c are formed in the raised strips 104b, the grooves 104c are located on the same virtual circle, and the grooves 104c are matched with the annular limiting grooves 103 d;

in this embodiment, referring to fig. 6, when the secondary pipe body 104a is inserted into the main pipe body 103a, at this time, one end of the secondary pipe body 104a disposed in an inclined plane is located inside the main pipe body 103a and abuts against the annular ledge 103b-1, at this time, the joint between the secondary pipe body 104a and the main pipe body 103a may be sealed by the seal member 103b-2, and when the secondary pipe body 104a is inserted into the main pipe body 103a, at this time, the protruding strips 104b are respectively engaged into the corresponding longitudinal through grooves 103c, at this time, the grooves 104c on the protruding strips 104b are communicated with the annular limiting groove 103d, and both are located on the same virtual circle.

Further, referring to fig. 2 and 7, the anchor ear 200 includes a hinge shaft 201 fixedly mounted on the connecting sleeve 103 b; the hinge shaft 201 is hinged with a first hoop member 202 and a second hoop member 203, the second hoop member 203 and the first hoop member 202 are in the same structure and are symmetrically arranged, and one side of the first hoop member 202 and one side of the second hoop member 203 are provided with a limiting member 204 for fixedly connecting the first hoop member 202 and the second hoop member 203;

in this embodiment, the first hoop 202 and the second hoop 203 may be closed and rotated about the hinge shaft 201, so that the first hoop 202 and the second hoop 203 may be closed or separated, and when the first hoop 202 and the second hoop 203 are closed, one ends of the first hoop 202 and the second hoop 203 may be limited by the limiting member 204, so that the first hoop 202 and the second hoop 203 are prevented from being separated.

Further, referring to fig. 8, the first hoop 202 includes an arc-shaped hoop plate 202a, a clamping strip 202b is fixedly installed on the intrados of the arc-shaped hoop plate 202a, and the clamping strip 202b is matched with the groove 104c and the annular limiting groove 103 d; a rubber pad 202c is fixedly arranged on the inner cambered surface of the arc-shaped hoop plate 202a, and when the surface of the arc-shaped hoop plate 202a and the surface of the connecting sleeve 103b are closed, the rubber pad 202c is abutted against the surface of the connecting sleeve 103b at the moment, so that the connection compactness is improved;

in this embodiment, as shown in fig. 6, when the arc-shaped hoop plates 202a on the first hoop member 202 and the second hoop member 203 are closed, the clamping strips 202b on the arc-shaped hoop plates 202a can be clamped into the annular limiting grooves 103d on the connecting sleeve 103b, and simultaneously clamped into the grooves 104c on the raised strips 104b, so that the secondary pipe body 104a and the main pipe body 103a can be inserted and fixed, the secondary pipe body 104a is prevented from slipping from the inside of the main pipe body 103a, and the stability of connection is improved.

Further, referring to fig. 7, the limiting member 204 includes a first U-shaped ear 204a and a second U-shaped ear 204b, where the first U-shaped ear 204a and the second U-shaped ear 204b are fixedly disposed on one side of the first hoop member 202 and one side of the second hoop member 203, the first U-shaped ear 204a and the second U-shaped ear 204b are symmetrically disposed, a screw 204c is hinged inside the first U-shaped ear 204a, a threaded sleeve 204d is sleeved on the screw 204c, a positioning disc 204e is fixedly disposed at one end of the threaded sleeve 204d near the second U-shaped ear 204b, and the positioning disc 204e can be integrally disposed with the threaded sleeve 204 d;

in this embodiment, when the first hoop member 202 and the second hoop member 203 are closed to lock and fix the connection position between the secondary pipe body 104a and the primary pipe body 103a, the screw 204c may be perpendicular to the first U-shaped ear 204a and the second U-shaped ear 204b, and then the threaded sleeve 204d is rotated, so that the positioning disc 204e moves up and abuts against the lower surface of the second U-shaped ear 204b, thereby locking and fixing the connection position between the first hoop member 202 and the second hoop member 203; if it is desired to disassemble the secondary body 104a and the primary body 103a for maintenance, the threaded sleeve 204d may be rotated in a reverse direction at this time to allow the positioning disk 204e to move downward and separate from the lower surface of the second U-shaped ear 204b, and then the screw 204c may be rotated to allow the screw 204c to move out of the second U-shaped ear 204b to separate the first hoop 202 from the second hoop 203.

Working principle: in the working process, when the secondary connecting pipe 104 and the main connecting pipe 103 are required to be quickly connected, firstly, the secondary connecting pipe 104 is inserted into the main connecting pipe 103, at the moment, one end of the secondary pipe 104a, which is arranged in an inclined plane, is positioned in the main pipe 103a and is abutted against the annular convex eave 103b-1, the joint of the secondary pipe 104a and the main pipe 103a can be sealed by using the sealing piece 103b-2, at the moment, the convex strip 104b is clamped into the longitudinal through groove 103c, the groove 104c on the convex strip 104b is communicated with the annular limiting groove 103d, and the two are positioned on the same virtual circle, then the first hoop 202 and the second hoop 203 are closed, at the moment, the clamping strips 202b on the first hoop 202 and the second hoop 203 are clamped into the annular limiting groove 103d, and the clamping strips 202b are clamped into the groove 104c, so that the secondary pipe 104a and the main pipe 103a are prevented from being separated from the main pipe 103a, and the joint of the second hoop 202b and the main pipe 103a can be extruded and the sealing piece 103a are connected by the sealing piece 202b, and the sealing piece 2 is extruded and the joint of the secondary pipe 103a is increased; adopt grafting structure and staple bolt 200 cooperation, can realize the quick connect and dismantle the kill manifold to be convenient for overhaul the manifold, staple bolt 200 is fit for connecting the great body of pipe diameter simultaneously, and leakproofness and stability are high during the connection.

Example 2

In order to increase the stability of the connection between the main pipe body 103a and the secondary pipe body 104a, a functional assembly 300 is also provided inside the main connecting pipe 103 for supporting the connection of the anchor ear 200 from inside the main connecting pipe 103.

Specifically, referring to fig. 9 and 10, the functional module 300 includes a fixed shaft 301 disposed inside the main connection pipe 103, and a support structure 302 is disposed on the fixed shaft 301, and is used for supporting the connection portion of the support hoop 200 from the inside of the connection sleeve 103b when the support structure is deployed; the support structure 302 includes a first hinge rod 302a and a second hinge rod 302b movably disposed on the fixed shaft 301, and one end of each of the first hinge rod 302a and the second hinge rod 302b is hinged to the fixed shaft 301; the second hinge rod 302b is opposite to the first hinge rod 302a, a supporting plate 302c is arranged at the top ends of the first hinge rod 302a and the second hinge rod 302b, and the supporting plate 302c is hinged with one end, far away from the fixed shaft 301, of the first hinge rod 302a and the second hinge rod 302 b;

in this embodiment, when the hoop 200 is closed, the first hinge rod 302a and the second hinge rod 302b may be unfolded, so that the support plate 302c may be used to abut against the inner wall of the secondary pipe body 104a, support the junction between the secondary pipe body 104a and the main pipe body 103a from inside, and may cooperate with the hoop 200 from outside to the junction between the main pipe body 103a and the secondary pipe body 104a, so as to avoid deformation of the junction between the main pipe body 103a and the secondary pipe body 104a when the hoop 200 extrudes the junction between the main pipe body 103a and the secondary pipe body 104a, and increase the strength and stability of the connection.

Further, referring to fig. 10 and 11, a sliding structure 303 is provided on the fixed shaft 301, the sliding structure 303 includes a sliding sleeve 303a, the sliding sleeve 303a is provided on the fixed shaft 301 and is movably connected with the first hinge rod 302a, and a sliding cavity 303b is provided at one end of the fixed shaft 301 far from the five-way pipe 101; the fixed shaft 301 is provided with a sliding groove 303c, and the sliding groove 303c penetrates through the sliding cavity 303b, as shown in fig. 12; the sliding cavity 303b is internally provided with a sliding plate 303d, the sliding plate 303d is fixedly connected with the sliding sleeve 303a through a connecting rod penetrating through the sliding groove 303c, the sliding cavity 303b is internally provided with a compression spring 303e, and one end of the compression spring 303e is fixedly connected with one side surface of the sliding plate 303 d;

in this embodiment, when the sliding plate 303d is pressed, the compression spring 303e is contracted at this time, and meanwhile, the sliding plate 303d slides along the sliding groove 303c and drives the sliding sleeve 303a to approach to the position of the second hinge rod 302b, at this time, the angle of the joint with the first hinge rod 302a can be adjusted when the sliding sleeve 303a moves, so that the first hinge rod 302a can be unfolded and perpendicular to the fixed shaft 301, the angle of the supporting plate 302c can be pushed by the first hinge rod 302a is changed, the second hinge rod 302b can be unfolded and perpendicular to the fixed shaft 301, at this time, the top end of the supporting plate 302c abuts against the inner wall of the secondary connecting pipe 104, and therefore, the joint between the secondary pipe 104a and the main pipe 103a can be pressed and supported from the inside, and the pressure resistance of the joint is increased;

when the sliding plate 303d is not subjected to the pressing force, the compression spring 303e pushes the sliding plate 303d to reset, and the sliding plate 303d drives the sliding sleeve 303a to move and reset, so that the sliding sleeve 303a can be utilized to pull the first hinge rod 302a to incline, and the first hinge rod 302a, the second hinge rod 302b and the supporting plate 302c can be folded.

Further, referring to fig. 4 and 11, an abutment member 304 is provided inside the secondary connection pipe 104, the abutment member 304 includes an abutment shaft 304a coaxially provided with the fixed shaft 301, and a fixing rod 304b is provided on the abutment shaft 304a for fixing the abutment shaft 304a inside the secondary connection pipe 104;

in this embodiment, when the clamping strip 202b on the anchor ear 200 is clamped into the groove 104c and the annular limiting groove 103d, the end of the secondary connecting pipe 104 abuts against the annular ledge 103b-1, and the abutting shaft 304a abuts against the sliding plate 303d, so that the supporting structure 302 is unfolded, and the abutting shaft 304a and the fixing rod 304b can support one end of the fixing shaft 301, thereby increasing the stability of the fixing shaft 301.

Working principle: the secondary pipe body 104a is inserted into the main pipe body 103a and closes the anchor ear 200, at this time, the clamping strip 202b on the anchor ear 200 is clamped into the groove 104c and the inside of the annular limiting groove 103d, at this time, the end part of the secondary connecting pipe 104 is abutted against the annular convex edge 103b-1 and extrudes the sealing gasket on the annular convex edge 103b-1, and at the same time, the abutting shaft 304a is abutted against the sliding plate 303d, so that the compression spring 303e is contracted, and at the same time, the sliding plate 303d slides along the sliding groove 303c and drives the sliding sleeve 303a to approach the position of the second hinging rod 302b, at this time, the sliding sleeve 303a can adjust the angle of the joint with the first hinging rod 302a, so that the first hinging rod 302a is unfolded and perpendicular to the fixed shaft 301, and the angle of the supporting plate 302c can be pushed by the first hinging rod 302a is changed, and the second hinging rod 302b is unfolded and perpendicular to the fixed shaft 301, at this time, the top end of the supporting plate 302c is abutted against the inner wall of the secondary connecting pipe 104, so that the secondary pipe body 104a can be contracted from inside, and the position of the sliding sleeve 303a slides along the sliding groove 303c and drives the sliding sleeve 302b to approach the position of the second hinging rod 302b, at this time, the sliding sleeve 303a can adjust the angle of the angle to the angle of the first hinging rod 302b, and the angle of the second hinging rod 302b can be adjusted to the angle with the fixed to the fixed shaft 302b, and perpendicular to the fixed shaft, and the fixed shaft 302b, and the sealing rod 302b can be pushed by the sealing rod 302b, and the sealing rod b, and the sealing end, and the sealing joint side, can and the sealing plate b can be tightly and the sealing joint side;

when the hoop 200 is opened, the clamping strip 202b is separated from the groove 104c and the annular limiting groove 103d, the secondary connecting pipe 104 is pulled to be far away from the main connecting pipe 103, the abutting shaft 304a is separated from the sliding plate 303d, the compression spring 303e pushes the sliding plate 303d to reset, the sliding plate 303d drives the sliding sleeve 303a to move and reset, and accordingly the sliding sleeve 303a can be utilized to pull the first hinging rod 302a to incline, so that the first hinging rod 302a, the second hinging rod 302b and the supporting plate 302c can be folded, and the inside of the secondary connecting pipe 104 is not supported.

Example 3

Referring to fig. 13, in order to reduce the impact of the slurry on the junction of the main pipe body 103a and the sub pipe body 104a and further increase the stability of the junction of the main pipe body 103a and the sub pipe body 104a, a structure for buffering the slurry is provided on the support plate 302 c;

specifically, a plurality of support plates 302c are arranged and uniformly distributed on the fixed shaft 301 in the circumferential direction, a plurality of special-shaped ribs 302c-1 are arranged on the surfaces of two sides of the support plates 302c, and the special-shaped ribs 302c-1 are uniformly distributed on the support plates 302 c; the opposite convex rib 302c-1 is arranged in an inclined S shape, and the opposite convex rib 302c-1 is made of rubber, and the opposite convex rib 302c-1 protrudes out of the surface of the supporting plate 302c by 1-2cm and is used for guiding particles in slurry flowing through the surface of the supporting plate 302 c.

In this embodiment, when the slurry passes through the surface of the supporting plate 302c, the slurry may contact with a plurality of special-shaped ribs 302c-1 on the surface of the supporting plate 302c, and since the special-shaped ribs 302c-1 are made of rubber, they have a certain elasticity, and may buffer the particulate matters in the slurry, and may change the flow direction of the particulate matters in the slurry, so as to reduce the impact and collision of the slurry on the connection position of the main connection pipe 103 and the secondary connection pipe 104, and further increase the stability of the connection.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims

1. An electric control movable dismounting type well killing manifold convenient for maintenance is characterized by comprising,

a bottom plate (100) provided with a five-way valve (101) and a manual flat valve (102);

one end of the main connecting pipe (103) is fixedly connected with one side of the five-way pipe (101);

a secondary connecting pipe (104), one end of which is fixedly connected with the manual flat valve (102) and the other end of which is spliced with the main connecting pipe (103);

the anchor ear (200) is movably arranged on the main connecting pipe (103) and is used for fastening the joint of the main connecting pipe (103) and the secondary connecting pipe (104);

the functional component (300) is arranged inside the main connecting pipe (103) and is used for supporting the joint of the anchor ear (200) from the inside of the main connecting pipe (103);

the functional component (300) comprises:

a fixed shaft (301) provided inside the main connection pipe (103);

the support structure (302) is arranged on the fixed shaft (301) and is used for supporting the joint of the anchor ear (200) when the support structure is unfolded;

the connecting part of the main connecting pipe (103) and the secondary connecting pipe (104) is extruded from outside to inside when the anchor ear (200) is closed, and meanwhile, the supporting structure (302) is matched with the anchor ear (200) to extrude the connecting part of the main connecting pipe (103) and the secondary connecting pipe (104) from inside to outside;

the support structure (302) comprises:

a first hinge rod (302 a) movably arranged on the fixed shaft (301);

the second hinging rod (302 b) is arranged opposite to the first hinging rod (302 a) and is movably connected with the fixed shaft (301);

a support plate (302 c) disposed at one end of the first hinge rod (302 a) and the second hinge rod (302 b) away from the fixed shaft (301), the support plate (302 c) being hinged to the first hinge rod (302 a) and the second hinge rod (302 b);

the fixed shaft (301) is provided with a sliding structure (303), and the sliding structure (303) comprises:

the sliding sleeve (303 a) is arranged on the fixed shaft (301) and is movably connected with the first hinging rod (302 a);

a sliding cavity (303 b) arranged at one end of the fixed shaft (301) far away from the five-way pipe (101);

a sliding groove (303 c) which is arranged on the fixed shaft (301) and penetrates through the sliding cavity (303 b);

the sliding plate (303 d) is arranged in the sliding cavity (303 b) and is fixedly connected with the sliding sleeve (303 a) through a connecting rod, and the connecting rod penetrates through the sliding groove (303 c);

a compression spring (303 e) arranged inside the sliding cavity (303 b) and fixedly connected with one side surface of the sliding plate (303 d);

an abutting piece (304) is arranged inside the secondary connecting pipe (104), and the abutting piece (304) comprises:

an abutment shaft (304 a) coaxially provided with the fixed shaft (301);

one end of the fixed rod (304 b) is fixedly connected with the inner wall of the secondary connecting pipe (104), and the other end of the fixed rod is fixedly connected with the abutting shaft (304 a);

wherein, when the secondary connection pipe (104) is inserted into the main connection pipe (103), the contact shaft (304 a) is contacted with the sliding plate (303 d).

2. An electrically controlled mobile collapsible well killing manifold for easy access according to claim 1, wherein said main connection pipe (103) comprises:

a main pipe body (103 a) fixedly mounted on one side of the five-way pipe (101) and provided with an opening at one end;

the connecting sleeve (103 b) is fixedly arranged at one end of the opening of the main pipe body (103 a);

the annular convex eave (103 b-1) is arranged on the inner wall of the connecting sleeve (103 b);

a seal member (103 b-2) provided on the annular flange (103 b-1);

a longitudinal through groove (103 c) which is arranged on the connecting sleeve (103 b) and is parallel to the central axis of the main pipe body (103 a);

the annular limiting grooves (103 d) are oppositely arranged on the connecting sleeve (103 b) and are intersected with the longitudinal through grooves (103 c).

3. An electrically controlled mobile collapsible well killing manifold for facilitating access according to claim 2, wherein said secondary connection pipe (104) comprises:

one end of the secondary pipe body (104 a) is fixedly connected with one side of the manual flat valve gate (102), and the other end of the secondary pipe body is extended and positioned in the main pipe body (103 a) and is abutted against the annular convex eave (103 b-1);

a protruding strip (104 b) fixedly arranged on the surface of the secondary pipe body (104 a) and corresponding to the longitudinal through groove (103 c) on the main pipe body (103 a);

the groove (104 c) is formed on the raised line (104 b) and is matched with the annular limiting groove (103 d).

4. An electrically controlled mobile collapsible well control manifold for facilitating access as claimed in claim 3, wherein said anchor ear (200) comprises:

a hinge shaft (201) fixedly installed on the connecting sleeve (103 b);

the first hoop (202) is arranged on the surface of the connecting sleeve (103 b) and is movably connected with the hinge shaft (201);

the second hoop (203) is symmetrically arranged with the first hoop (202) and is movably connected with the hinge shaft (201);

and the limiting piece (204) is used for fixedly connecting the first hoop piece (202) and the second hoop piece (203).

5. An electrically controlled mobile collapsible well killing manifold for facilitating access as claimed in claim 4, wherein said first collar member (202) comprises:

an arcuate collar plate (202 a);

the clamping strip (202 b) is fixedly arranged on the inner cambered surface of the arc-shaped clamping plate (202 a) and is matched with the groove (104 c) and the annular limiting groove (103 d);

a rubber pad (202 c) fixedly arranged on the inner cambered surface of the arc-shaped hoop plate (202 a) and abutted against the surface of the connecting sleeve (103 b);

wherein the second hoop (203) is identical in structure to the first hoop (202).

6. The electrically controlled mobile collapsible well control manifold for easy access of claim 5, wherein said stop member (204) comprises:

a first U-shaped ear (204 a) fixedly arranged on one side of the first hoop (202);

a second U-shaped lug (204 b) fixedly arranged on one side of the second hoop (203) and opposite to the first U-shaped lug (204 a);

a screw (204 c) disposed inside the first U-shaped ear (204 a) and hinged to the first U-shaped ear (204 a);

a thread sleeve (204 d) sleeved on the screw (204 c);

the positioning disc (204 e) is fixedly arranged on the thread sleeve (204 d);

when the screw rod (204 c) is positioned in the second U-shaped lug (204 b), the positioning disc (204 e) is abutted with the lower surface of the second U-shaped lug (204 b).

7. The electrically controlled movable detachable well killing manifold for easy maintenance according to claim 6, wherein a plurality of special-shaped ribs (302 c-1) are arranged on the surfaces of two sides of the supporting plate (302 c), and the special-shaped ribs (302 c-1) are uniformly distributed on the supporting plate (302 c).