CN216477219U - Hydraulic control type mounting tool suitable for ocean mining riser - Google Patents

Hydraulic control type mounting tool suitable for ocean mining riser Download PDF

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Publication number
CN216477219U
CN216477219U CN202023302032.7U CN202023302032U CN216477219U CN 216477219 U CN216477219 U CN 216477219U CN 202023302032 U CN202023302032 U CN 202023302032U CN 216477219 U CN216477219 U CN 216477219U
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China
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hydraulic
main shell
hydraulic cylinder
piston
cylinder
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CN202023302032.7U
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Chinese (zh)
Inventor
张坤
罗强
郑万里
张彩莹
李贤坤
张波
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China National Petroleum Corp
Baoji Oilfield Machinery Co Ltd
CNPC National Oil and Gas Drilling Equipment Engineering Technology Research Center Co Ltd
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China National Petroleum Corp
Baoji Oilfield Machinery Co Ltd
CNPC National Oil and Gas Drilling Equipment Engineering Technology Research Center Co Ltd
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Abstract

The utility model relates to a hydraulic control type mounting tool suitable for an ocean mining riser, which comprises a suspension section, wherein a main shell penetrates through one end of the suspension section, a circle of bulge is arranged at the penetration position of the main shell of the suspension section, a pressing plate covers the main shell, and the pressing plate is mounted on the bulge through a fastening bolt; a plurality of grooves which are tangent along the circumferential direction are averagely formed in the same horizontal line on the side periphery of the main shell, a first round hole is formed in the middle of the bottom of each groove, and a hydraulic locking mechanism is correspondingly fixed on each first round hole. The utility model solves the problems of low assembly and disassembly efficiency, high labor intensity, low automation degree, potential safety hazard and the like in the conventional marine mining riser installation. The hydraulic unlocking and spring locking device has the advantages that hydraulic unlocking and spring locking are utilized, operation automation is achieved, labor intensity of workers is reduced, and meanwhile the hydraulic unlocking and spring locking device has the functions of preventing system operation under pressure and automatic unlocking.

Description

Hydraulic control type mounting tool suitable for ocean mining riser
Technical Field
The utility model belongs to the technical field of marine mining equipment, and particularly relates to a hydraulic control type installation tool suitable for a marine mining riser.
Background
The mining riser is used as an important channel for conveying the seabed ore pulp to a water surface platform, and the installation and disassembly processes of the mining riser directly influence the ocean mining operation. At present, non-special tools such as wire rope slings, conventional lifting appliances or elevators are generally adopted for the installation and the disassembly of the mining vertical pipe. Although the installation and removal tasks of the riser can be accomplished, the common problems are: the installation and disassembly efficiency is low, the labor intensity of workers is high, the automation degree is low, and potential safety hazards exist. In order to solve the above problems, it is urgently needed to develop a special installation tool with high automation degree, safety and reliability.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hydraulic control type installation tool suitable for an ocean mining riser, and solves the problem of low automation degree of the mining riser.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a hydraulic control type mounting tool suitable for an ocean mining riser comprises a suspension section, wherein a main shell penetrates through one end of the suspension section, a circle of protrusion is arranged at the penetration position of the main shell of the suspension section, a pressing plate covers the main shell, and the pressing plate is mounted on the protrusion through a fastening bolt;
a plurality of grooves which are tangent along the circumferential direction are averagely formed in the same horizontal line on the side periphery of the main shell, a first round hole is formed in the middle of the bottom of each groove, and a hydraulic locking mechanism is correspondingly fixed on each first round hole.
As an optimized scheme, the fastening bolts are sleeved with spring washers.
As an optimized scheme, the upper anti-collision plate is fixedly arranged at the bulge of one end of the groove through a screw, and the lower anti-collision plate is fixedly arranged at the bulge of the other end of the groove through a screw.
As an optimized scheme, the hydraulic locking mechanism comprises a pin shaft, one end of the pin shaft is a cylinder, the other end of the pin shaft is a threaded joint, the threaded joint end of the pin shaft is embedded into a piston, and the piston is positioned in a first round hole;
the pin shaft is sleeved with a hydraulic cylinder, a second round hole is formed in the end face of the hydraulic cylinder, which is far away from one end of the main shell, the cylindrical end of the pin shaft penetrates through the second round hole, a spring is installed between the hydraulic cylinder and the piston, the spring is sleeved on the surface of the pin shaft, a sealing seat is arranged between the hydraulic cylinder and the main shell, the sealing seat consists of a cylinder and a square plate, the center of the square plate is provided with a round hole, the cylindrical end of the sealing seat is located between the inner wall of the hydraulic cylinder and the outer wall of the piston, and sealing grooves are formed in the contact surfaces of the cylindrical end of the sealing seat and the hydraulic cylinder and the piston; a sealing groove is formed in the side face, in contact with the hydraulic cylinder, of the piston;
the hydraulic cylinder, the sealing seat and the main shell are fixed together in sequence through screws.
As an optimized scheme, one end of the piston, which is far away from the pin shaft, is provided with a notch with an L-shaped section.
As an optimized scheme, a hydraulic connector is fixedly embedded in one side of the hydraulic cylinder, which is close to the lower anti-collision plate, and one end, which is far away from the hydraulic cylinder, of the hydraulic connector is communicated with a hydraulic pipeline.
The hydraulic unlocking and spring locking device has the advantages that hydraulic unlocking and spring locking are adopted, operation automation is realized, and labor intensity of workers is reduced; meanwhile, operation under pressure and automatic unlocking are prevented, the operation safety of lifting and lowering is guaranteed, and the automatic unlocking device has the advantages of safety, reliability, high automation degree, high operation efficiency and the like.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
fig. 2 is a partial detail view of the hydraulic locking mechanism of the present invention.
In the figure, 1, a hanging joint, 2, a pressure plate, 3, a main shell, 4, an upper anti-collision plate, 5, a hydraulic locking mechanism, 6, a lower anti-collision plate, 7, a hydraulic cylinder, 8, a pin shaft, 9, a sealing seat, 10, a piston, 11, a spring, 12, a hydraulic joint, 13, a hydraulic pipeline, 14, a first round hole and 15, a second round hole are arranged.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the utility model adopts the technical scheme that the hydraulic control type installation tool suitable for the marine mining riser comprises a suspension joint 1, wherein a main shell 3 penetrates through one end of the suspension joint 1, a circle of bulges are arranged at the penetrating part of the main shell 3 of the suspension joint 1, a pressing plate 2 covers the main shell 3, and the pressing plate 2 is installed on the bulges through fastening bolts;
a plurality of grooves which are tangent along the circumferential direction are averagely formed in the same horizontal line on the side periphery of the main shell 3, a first round hole 14 is formed in the middle of the bottom of each groove, and each first round hole 14 is correspondingly fixed with a hydraulic locking mechanism 5.
As an optimized scheme, the fastening bolts are sleeved with spring washers.
As an optimized scheme, the upper anti-collision plate 4 is fixedly arranged at the bulge of one end of the groove through a screw, and the lower anti-collision plate 6 is fixedly arranged at the bulge of the other end of the groove through a screw.
As an optimized scheme, the hydraulic locking mechanism 5 comprises a pin shaft 8, one end of the pin shaft 8 is a cylinder, the other end of the pin shaft 8 is a threaded joint, the threaded joint end of the pin shaft 8 is embedded into a piston 10, and the piston 10 is positioned in a first round hole 14;
a hydraulic cylinder 7 is sleeved outside the pin shaft 8, a second round hole 15 is formed in the end face of the hydraulic cylinder 7, which is far away from one end of the main shell 3, the cylindrical end of the pin shaft 8 penetrates through the second round hole 15, a spring 11 is installed between the hydraulic cylinder 7 and the piston 10, the spring 11 is sleeved on the surface of the pin shaft 8, a sealing seat 9 is arranged between the hydraulic cylinder 7 and the main shell 3, the sealing seat 9 consists of a cylinder and a square plate, the center of which is provided with a round hole, the cylindrical end of the sealing seat 9 is positioned between the inner wall of the hydraulic cylinder 7 and the outer wall of the piston 10, and sealing grooves are formed in the contact surfaces of the cylindrical end of the sealing seat 9, the hydraulic cylinder 7 and the piston 10; a sealing groove is formed in the side face, in contact with the hydraulic cylinder 7, of the piston 10;
the hydraulic cylinder 7, the sealing seat 9 and the main shell 3 are fixed together in sequence through screws.
As an optimized scheme, one end of the piston 10, which is far away from the pin shaft 8, is provided with a notch with an L-shaped section.
As an optimized scheme, a hydraulic joint 12 is fixedly embedded in one side of the hydraulic cylinder 7 close to the lower anti-collision plate 6, and one end, far away from the hydraulic cylinder 7, of the hydraulic joint 12 is communicated with a hydraulic pipeline 13.
As an optimization, the hydraulic connectors 12 of the plurality of hydraulic locking mechanisms 5 are communicated with each other through hydraulic lines 13.
The working principle adopted by the utility model is as follows: a hydraulic control type installation tool suitable for an ocean mining riser comprises a suspension joint 1, a pressing plate 2, a main shell 3, an upper anti-collision plate 4, a hydraulic locking mechanism 5, a lower anti-collision plate 6, a spring washer 7, a fastening bolt and an inner hexagon screw. The upper part of the suspension joint 1 is connected with a lifting system, and the lower part is in threaded connection with the main shell 3. The pressing plate 2 is two symmetrical thin plates which are respectively clamped on the regular hexagon steps at the lower part of the suspension joint 1 and fixed on the top end surface of the main shell 3 for preventing the thread of the suspension joint 1 and the main shell 3 from tripping. 6 same grooves along the circumferential tangent are uniformly distributed on the cylinder at the lower part of the main shell 3, and 6 same round holes are arranged along the normal direction of the plane at the bottom of the groove. 6 identical hydraulic locking mechanisms 5 are respectively fixed on the bottom plane of the groove of the main shell 3. The upper anti-collision plate 4 and the lower anti-collision plate 6 are respectively fixed on the upper and lower L-shaped steps of the main housing 3 for protecting the hydraulic locking structure 5 from mechanical collision.
The hydraulic locking mechanism 5 is composed of a hydraulic cylinder 7, a pin shaft 8, a sealing seat 9, a piston 10, a spring 11, an inner hexagon screw, a hydraulic joint 12, a hydraulic pipeline 13 and a sealing ring. Wherein, the hydraulic cylinder 7 is divided into a cylinder body and a lower connecting seat, and the connecting seat is square. The lower end of the pin shaft 8 is a threaded joint, and the upper end is a cylinder. The upper part of the sealing seat 9 is a cylindrical tube, and the lower part is a square plate with a round hole in the center. The piston 10 is divided into a large end and a small end, a sealing groove is arranged on the outer cylindrical surface of the large end, a circular groove is arranged in the large end, and a threaded blind hole is formed in the bottom of the groove; the small end face is a plane and is provided with an L-shaped step gap. During assembly, the sealing ring is fixed in place, the pin shaft 8, the piston 10, the sealing seat 9 and the spring 11 are sequentially assembled, the whole body is arranged in the hydraulic cylinder 7, the assembly of a single locking mechanism is completed, the locking mechanism is fixed to the corresponding position of the main shell 3, and after the installation of 6 locking mechanisms is completed, the hydraulic connector 12 and the hydraulic pipeline 13 are connected. After the installation is finished, the piston 10 sequentially passes through the sealing seat 13 and the round holes on the main shell 3 and extends into the inner cavity of the main shell 3; the pin shaft 8 penetrates through a round hole in the top end face of the hydraulic cylinder 7; one end of the spring 11 is abutted against the inner end face of the top of the hydraulic cylinder 7, and the other end is abutted against the bottom plane of the groove of the piston 10.
The working process of the utility model is as follows:
before the hoisting operation, an elevator of the hoisting system is connected with a shaft neck at the upper end of the suspension joint 1, and at the moment, the installation tool is matched with the hoisting system and can be used for completing the lowering and recovery operation of a single vertical pipe. In the whole process of lowering and recovering operation, when the installation tool is required to be connected with a single joint, firstly, hydraulic oil is filled into a hydraulic cavity of the hydraulic locking mechanism 5 through a hydraulic pipeline 13 and a hydraulic joint 12, under the pressure action of the hydraulic oil, the piston 10 retracts, the spring 11 is compressed, the installation tool is in an unlocking state, the installation tool is suspended to the top of the single joint, the installation tool is centered and then lowered to a preset position, then, the hydraulic pressure of the system is relieved, the piston 10 extends out under the action of the restoring force of the spring 11, the installation tool is locked, and therefore the installation tool is connected with the single joint.
When the installation tool is required to be separated from the single joint, hydraulic oil is introduced into the hydraulic cavity of the hydraulic locking mechanism 5 again, the hydraulic oil pushes the piston 10 to retract, the installation tool is unlocked, and therefore the separation of the installation tool and the single joint is achieved.
The hydraulic control type mounting tool suitable for the marine mining riser adopts hydraulic unlocking and spring locking, realizes operation automation, and reduces the labor intensity of workers; meanwhile, operation under pressure and automatic unlocking are prevented, and the operation safety of lifting and lowering is ensured.

Claims (7)

1. A hydraulic control type installation tool suitable for an ocean mining riser is characterized by comprising a suspension joint (1), wherein a main shell (3) penetrates through one end of the suspension joint (1), a circle of protrusion is arranged at the penetrating position of the main shell (3) of the suspension joint (1), a pressing plate (2) covers the main shell (3), and the pressing plate (2) is installed on the protrusion through a fastening bolt;
main casing body (3) side is opened on the same water flat line of week on average has a plurality of to follow the tangent recess of circumference, every recess tank bottom intermediate position has all opened one first round hole (14), every first round hole (14) all correspond and are fixed with a hydraulic pressure locking mechanism (5).
2. The hydraulically controlled installation tool for a marine mining riser as claimed in claim 1, wherein the fastening bolts each have a spring washer thereon.
3. A hydraulically controlled installation tool adapted for use with a marine mining riser as claimed in claim 1, wherein the recess has an upper fender (4) mounted by screw fastening at one end of the recess and a lower fender (6) mounted by screw fastening at the other end of the recess.
4. A hydraulically controlled setting tool for use with a marine mining riser as defined in claim 3, wherein the hydraulic locking mechanism (5) comprises a pin (8), one end of the pin (8) is a cylinder, the other end of the pin (8) is a threaded joint, the threaded joint end of the pin (8) is embedded in a piston (10), and the piston (10) is located in the first circular hole (14);
the hinge pin (8) is sleeved with a hydraulic cylinder (7), the hydraulic cylinder (7) is far away from one end face of the main shell (3) and is provided with a second round hole (15), a cylinder end of the hinge pin (8) penetrates through the second round hole (15), a spring (11) is installed between the hydraulic cylinder (7) and the piston (10), the spring (11) is sleeved on the surface of the hinge pin (8), a sealing seat (9) is arranged between the hydraulic cylinder (7) and the main shell (3), the sealing seat (9) consists of a cylinder and a square plate with a round hole in the center, the cylinder end of the sealing seat (9) is located between the inner wall of the hydraulic cylinder (7) and the outer wall of the piston (10), and sealing grooves are formed in contact surfaces of the cylinder end of the sealing seat (9) and the hydraulic cylinder (7) and the piston (10); a sealing groove is formed in the side face, in contact with the hydraulic cylinder (7), of the piston (10);
the hydraulic cylinder (7), the sealing seat (9) and the main shell (3) are fixed together in sequence through screws.
5. A hydraulically controlled setting tool for a marine mining riser as claimed in claim 4, characterised in that the end of the piston (10) remote from the pin (8) is notched with an L-shaped cross-section.
6. A hydraulically controlled installation tool suitable for a marine mining riser according to claim 4, characterized in that a hydraulic joint (12) is fixedly embedded in one side of the hydraulic cylinder (7) close to the lower fender (6), and a hydraulic pipeline (13) is communicated with one end of the hydraulic joint (12) far away from the hydraulic cylinder (7).
7. Hydraulically controlled installation tool for marine mining risers, according to claim 6, characterized in that several hydraulic joints (12) of the hydraulic locking mechanism (5) are interconnected by the hydraulic lines (13).
CN202023302032.7U 2020-12-30 2020-12-30 Hydraulic control type mounting tool suitable for ocean mining riser Active CN216477219U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023302032.7U CN216477219U (en) 2020-12-30 2020-12-30 Hydraulic control type mounting tool suitable for ocean mining riser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023302032.7U CN216477219U (en) 2020-12-30 2020-12-30 Hydraulic control type mounting tool suitable for ocean mining riser

Publications (1)

Publication Number Publication Date
CN216477219U true CN216477219U (en) 2022-05-10

Family

ID=81394723

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023302032.7U Active CN216477219U (en) 2020-12-30 2020-12-30 Hydraulic control type mounting tool suitable for ocean mining riser

Country Status (1)

Country Link
CN (1) CN216477219U (en)

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