CN210217647U - Hook-pull type underwater quick connector device - Google Patents
Hook-pull type underwater quick connector device Download PDFInfo
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- CN210217647U CN210217647U CN201921078617.XU CN201921078617U CN210217647U CN 210217647 U CN210217647 U CN 210217647U CN 201921078617 U CN201921078617 U CN 201921078617U CN 210217647 U CN210217647 U CN 210217647U
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Abstract
The utility model discloses a hook pull formula quick connector device under water, including last hub seat, directly move drive arrangement, directly move guider, hook pull final controlling element, lower hub seat and secondary locking device. The direct-acting driving device comprises a supporting plate, a linear driving structure and a driving plate which are fixedly connected from top to bottom in sequence; the direct-acting guide device comprises a guide pipe, a restraint plate and a butt joint piece which are fixedly connected from top to bottom in sequence; the hooking executing device comprises a pulling hook piece and a hook claw, the pulling hook piece is fixed on the driving plate, and the upper part of the hook claw is hinged with the pulling hook piece and is provided with an extending part which inclines upwards from the outer side; the lower hub seat is provided with a hole slot for the hook claw to hook; the secondary locking device comprises an upper locking claw base, a spring, an upper locking claw and a lower locking claw. The utility model discloses a make secondary locking device's last pawl and the mutual interlock of lower pawl, can effectually prevent that the hook from drawing the unexpected liberation of quick connector device under water, increased the reliability of connecting, guaranteed going on of production continuously.
Description
Technical Field
The utility model relates to a marine equipment technical field especially relates to a hook draws formula quick connector device under water.
Background
The underwater connector is one of key devices for ocean deepwater drilling and production, has wide application in the aspect of ocean oil drilling and production, is mainly used for important connection between riser strings, connection between a riser assembly at the lower part of a riser during ocean deepwater drilling and a blowout preventer or connection between the blowout preventer and a high-pressure wellhead head of an underwater wellhead device, and can also be used for connection between an underwater Christmas tree and the high-pressure wellhead head during ocean deepwater completion. The underwater automatic quick connection device is characterized by being capable of realizing underwater automatic quick connection and being capable of quickly disconnecting when emergency conditions such as typhoon occur, so that personnel and upper equipment can be evacuated in time. In the high-investment and high-risk deepwater oil and gas development, the underwater connector has important significance for ensuring the safe production of deepwater oil and gas and is indispensable equipment for offshore deepwater oil drilling.
At present, China has just started in this regard. The riser connector generally has several structural forms such as screw thread formula, flange bolt formula, pusher dog blocking piece formula, wherein: the thread buckle connector is suitable for shallow water; the flange bolt type is suitable for deep water, has the characteristics of reliable connection, large bearing capacity and the like, but is time-consuming and labor-consuming in installation and disassembly and low in working efficiency; the jaw type connector has the advantages of no threaded connection and high reliability, but the jaws arranged circumferentially do not limit the left-right shaking and accurate positioning of the jaw type connector, the jaws are easy to deviate during connection, so that the jaws around the jaws deviate from correct positions, the connection function of the connector fails, the jaws of the jaw type connector bear large sliding friction force, the connection reliability and the service life of the jaw type connector are influenced, and a complex mounting tool is required.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, the atress is reasonable, and is easy and simple to handle, connects the declination great, connects accurate, reliable, and the practicality is good, and can realize the hook pull formula underwater connector device of secondary locking for realize the high-speed joint of deep water drilling equipment and break away from, prevent moreover that the connector is unexpected to break away from.
In order to achieve the above object, the utility model provides a following scheme:
the utility model discloses a hook pull formula quick connector device under water, include:
an upper hub seat;
the linear driving device comprises a supporting plate, a linear driving structure and a driving plate which are sequentially and fixedly connected from top to bottom, the supporting plate is fixedly connected with the upper hub seat, and the linear driving structure is used for driving the driving plate to move up and down;
the direct-acting guide device comprises a guide pipe, a restraint plate and a butt joint piece which are fixedly connected from top to bottom in sequence, the guide pipe penetrates through the drive plate and guides the drive plate, and a through hole is formed in the restraint plate;
the hook pulling executing device comprises a pulling hook piece and a hook claw, the pulling hook piece is fixed on the driving plate, the upper part of the hook claw is hinged with the pulling hook piece and is provided with an extending part which inclines to the outside and upwards, the through hole is used for the hook pulling executing device to pass through, and when the extending part passes through the through hole downwards, the lower end of the hook claw can swing towards the outside;
the lower hub seat can be butted with or separated from the butt joint piece, and a hole groove for hooking and pulling the hook claw is formed in the lower hub seat;
the secondary locking device comprises an upper locking claw base, a spring, an upper locking claw and a lower locking claw, wherein the lower end of the lower locking claw is fixed on the upper portion of the driving plate, the upper locking claw base is fixed on the lower portion of the supporting plate, the upper end of the upper locking claw is hinged to the upper locking claw base, one end of the spring is fixedly connected with the upper locking claw base, the other end of the spring is fixedly connected with the upper locking claw, and the upper locking claw can be mutually meshed with the lower locking claw.
Preferably, the spring is a stiff spring.
Preferably, the guide tube is provided with a protrusion extending along the axial direction, and the drive plate is provided with a guide hole matched with the outer contour of the guide tube.
Preferably, the linear driving structure is a hydraulic cylinder, one end of the hydraulic cylinder is fixedly connected with the supporting plate, and the other end of the hydraulic cylinder is fixedly connected with the driving plate.
Preferably, the number of the hydraulic cylinders is 4, and the hydraulic cylinders are uniformly arranged along the circumferential direction.
Preferably, the linear motion guide device further comprises a roller device fixed in the through hole along the horizontal direction and used for rolling contact with the outer side of the extension part.
Preferably, the roller device comprises a telescopic shaft, two roller bearings and a roller, wherein an inner ring of the roller is in interference fit with an outer ring of the roller bearing, an inner ring of the roller bearing is in interference fit with a thicker outer cylindrical surface of the telescopic shaft, the roller bearings are arranged at two ends of the roller, and a thinner inner cylinder of the telescopic shaft is fixed on the inner wall of the through hole.
Preferably, the number of the through holes is 4, the through holes are uniformly arranged along the circumferential direction of the constraint plate, two roller devices are arranged in each through hole, and a connecting line of the two roller devices is in the up-down direction.
The utility model discloses for prior art gain following technological effect:
the utility model discloses a make secondary locking device's last pawl and the mutual interlock of lower pawl, can effectually prevent that the hook from drawing the unexpected liberation of quick connector device under water, increased the reliability of connecting, guaranteed going on of production continuously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a hook-pull type underwater quick connector device according to the present invention;
FIG. 2 is a schematic structural view of the upper hub;
FIG. 3 is a schematic structural diagram of a linear actuator;
FIG. 4 is a schematic structural view of a linear motion guide device;
FIG. 5 is a schematic view of the roller assembly in the through hole;
FIG. 6 is a schematic structural view of the roller device;
FIG. 7 is a schematic view of the hook actuator;
FIG. 8 is a schematic structural view of the lower hub;
FIG. 9 is a schematic structural view of a secondary locking device;
description of reference numerals: 1, an upper hub seat; 2 a direct-acting driving device; 201 supporting plate; 202 hydraulic cylinders; 203 driving a board; 3, a direct-acting guide device; 301 a guide tube; 302 a constraining plate; 303, an abutting piece; 304 a roller device; 3041 a telescopic shaft; 3042 a roller bearing; 3043 a roller; 4 hooking and pulling the actuating device; 401 pulling the hook piece; 402 a hook claw; 5 a lower hub seat; 6, a secondary locking device; 601, locking claw base; 602 a stiff spring; 603, locking claws; 604 lower locking claws.
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 aims at providing a simple structure, the atress is reasonable, and is easy and simple to handle, connects the declination great, connects accurate, reliable, and the practicality is good, and can realize the hook pull formula underwater connector device of secondary locking for realize the high-speed joint of deep water drilling equipment and break away from, prevent moreover that the connector is unexpected to break away from.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 9, the present embodiment provides a coupler-pull type underwater quick connector device, which comprises an upper hub 1, a linear motion driving device 2, a linear motion guiding device 3, a hook-pull actuating device 4, a lower hub 5 and a secondary locking device 6.
The linear driving device 2 comprises a supporting plate 201, a linear driving structure and a driving plate 203 which are sequentially and fixedly connected from top to bottom, the supporting plate 201 is fixedly connected with the upper hub 1, specifically, the upper surface of the supporting plate 201 is connected with the lower surface of the upper hub 1, and the linear driving structure is used for driving the driving plate 203 to move up and down; the direct-acting guide device 3 comprises a guide pipe 301, a restraint plate 302 and a butt joint piece 303 which are fixedly connected from top to bottom in sequence, the guide pipe 301 penetrates through the drive plate 203 and guides the drive plate 203, and the restraint plate 302 is provided with a through hole; the hooking actuator 4 comprises a hooking part 401 and a claw 402, the hooking part 401 is fixed on the driving plate 203, specifically, the upper part of the hooking part 401 is provided with a mounting seat, the lower surface of the mounting seat is connected with the upper surface of the driving plate 203, the upper part of the claw 402 is hinged with the hooking part 401 and is provided with an extending part which inclines outwards and upwards, the through hole is used for the hooking actuator 4 to pass through, when the extending part passes through the through hole downwards, the outer side of the extending part and the through hole or a structure inside the through hole are mutually extruded, so that the lower end of the claw 402 can swing outwards and bypass the edge of the lower hub seat from the outer side; the lower hub seat 5 can be butted with or separated from the butting piece 303, and a hole groove for hooking and pulling the hook claw 402 is formed in the lower hub seat 5 and is preferably a through groove; the secondary locking device 6 comprises an upper locking claw base 601, a spring, an upper locking claw 603 and a lower locking claw 604, wherein the lower end of the lower locking claw 604 is fixed on the upper portion of the driving plate 203, the upper locking claw base 601 is fixed on the lower portion of the supporting plate 201, the upper end of the upper locking claw 603 is hinged to the upper locking claw base 601, one end of the spring is fixedly connected with the upper locking claw base 601, the other end of the spring is fixedly connected with the upper locking claw 603, and the upper locking claw 603 can be meshed with the lower locking claw 604.
When in use, under the action of the linear driving structure, the driving plate 203 moves downwards to drive the whole hooking executing device 4 to move downwards. When the hook 402 passes through the through hole of the constraining plate 302, the outer side of the extending portion and the through hole or the structure inside the through hole are pressed against each other, so that the lower end of the hook 402 can swing outward, the hook 402 bypasses the lower hub 5 from the outside, the driving plate 203 continues to move downward, the hook 402 passes through the through hole completely, the hook 402 returns to the original angle, and the tip of the hook is located right below the hole groove of the lower hub 5. At the moment, the linear driving structure enables the driving plate 203 to move upwards, the hook claw 402 hooks the hole groove on the lower hub 5 and drives the lower hub 5 to complete butt joint with the butt joint piece 303, meanwhile, the lower lock claw 604 gradually approaches the upper lock claw 603 and abuts against the upper lock claw 603, the lower lock claw 604 continues to move upwards, the lower end of the upper lock claw 603 rotates for a certain angle around the hinged position of the upper end under the pressure provided by the lower lock claw 604 until the upper lock claw 603 and the lower lock claw 604 are completely meshed, the upper lock claw 603 restores to the original angle under the elastic force of the spring, and the linear driving structure does not enable the driving plate 203 to move any more. In the embodiment, the upper locking claw 603 and the lower locking claw 604 of the secondary locking device 6 are mutually engaged, so that the hooking type underwater quick connector device can be effectively prevented from being accidentally disengaged, the connection reliability is improved, and the continuous production is ensured. The device has the advantages of simple structure, reasonable stress, simple and convenient operation, larger connection deflection angle, accurate and reliable connection and good practicability, and can realize the quick connection and disconnection of the deepwater drilling and production equipment.
In this embodiment, the type of the spring can be selected according to actual requirements, and the spring is the stiff spring 602 in this embodiment.
In order to enable the butt joint of the lower hub 5 and the connecting piece to be more accurate, the guide tube 301 of the embodiment is provided with the protrusion extending along the axial direction, the drive plate 203 is provided with the guide hole matched with the outer contour of the guide tube 301, the drive plate 203 moves along the vertical direction through the matching of the guide tube 301 and the guide hole, and the lower hub 5 is further driven to move along the vertical direction, so that the accuracy and the reliability of the connection are improved.
The type of the linear driving structure can be selected by those skilled in the art according to actual needs, the linear driving structure in this embodiment is a hydraulic cylinder 202, one end of the hydraulic cylinder 202 is fixedly connected with the support plate 201, the other end of the hydraulic cylinder 202 is fixedly connected with the drive plate 203, and those skilled in the art can also use a screw rod slider and other structures. In order to make the movement of the driving plate 203 smoother and the force is more balanced, the number of the hydraulic cylinders 202 of the embodiment is 4, and the hydraulic cylinders are uniformly arranged along the circumferential direction.
In order to reduce the wear of the hook 402 and the restraining plate 302 and also to reduce the load of the hydraulic cylinder 202 when the extension portion of the hook 402 passes downward through the through hole in the restraining plate 302, the linear guide 3 of the present embodiment further includes a roller device 304, and the roller device 304 is fixed in the through hole in the horizontal direction and is configured to be in rolling contact with the outside of the extension portion, thereby converting sliding friction into rolling friction. The through holes are preferably 4 and uniformly arranged along the circumferential direction of the constraining plate 302, two roller devices 304 are preferably arranged in each through hole, and the connecting line of the two roller devices 304 is in the up-down direction.
Further, the roller apparatus 304 of the embodiment includes a telescopic shaft 3041, two roller bearings 3042 and a roller 3043, an inner ring of the roller 3043 is in interference fit with an outer ring of the roller bearing 3042, an inner ring of the roller bearing 3042 is in interference fit with a thicker outer cylindrical surface of the telescopic shaft 3041, the roller bearings 3042 are disposed at two ends of the roller 3043, and a thinner inner cylindrical surface of the telescopic shaft 3041 is fixed on an inner wall of the through hole.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. A hook and pull type underwater quick connector device comprising:
an upper hub seat;
the linear driving device comprises a supporting plate, a linear driving structure and a driving plate which are sequentially and fixedly connected from top to bottom, the supporting plate is fixedly connected with the upper hub seat, and the linear driving structure is used for driving the driving plate to move up and down;
the direct-acting guide device comprises a guide pipe, a restraint plate and a butt joint piece which are fixedly connected from top to bottom in sequence, the guide pipe penetrates through the drive plate and guides the drive plate, and a through hole is formed in the restraint plate;
the hook pulling executing device comprises a pulling hook piece and a hook claw, the pulling hook piece is fixed on the driving plate, the upper part of the hook claw is hinged with the pulling hook piece and is provided with an extending part which inclines to the outside and upwards, the through hole is used for the hook pulling executing device to pass through, and when the extending part passes through the through hole downwards, the lower end of the hook claw can swing towards the outside;
the lower hub seat can be butted with or separated from the butt joint piece, and a hole groove for hooking and pulling the hook claw is formed in the lower hub seat;
the secondary locking device comprises an upper locking claw base, a spring, an upper locking claw and a lower locking claw, wherein the lower end of the lower locking claw is fixed on the upper portion of the driving plate, the upper locking claw base is fixed on the lower portion of the supporting plate, the upper end of the upper locking claw is hinged to the upper locking claw base, one end of the spring is fixedly connected with the upper locking claw base, the other end of the spring is fixedly connected with the upper locking claw, and the upper locking claw can be mutually meshed with the lower locking claw.
2. The hitch underwater quick connector device as claimed in claim 1, wherein said spring is a stiff spring.
3. The coupler of claim 1, wherein the guide tube has a protrusion extending in an axial direction, and the driving plate has a guide hole matching an outer contour of the guide tube.
4. The hitch coupler apparatus as claimed in claim 1, wherein the linear actuator is a hydraulic cylinder, one end of the hydraulic cylinder is fixedly connected to the support plate, and the other end of the hydraulic cylinder is fixedly connected to the drive plate.
5. The hitch coupler apparatus as claimed in claim 4, wherein the number of the hydraulic cylinders is 4, and the hydraulic cylinders are arranged uniformly in a circumferential direction.
6. The coupler of claim 1, wherein the translational guide means further comprises a roller means fixed in the through hole in a horizontal direction and adapted to be in rolling contact with an outer side of the extension portion.
7. The coupler according to claim 6, wherein the roller device comprises a telescopic shaft, two roller bearings and a roller, the inner ring of the roller is in interference fit with the outer ring of the roller bearings, the inner ring of the roller bearings is in interference fit with the thicker outer cylindrical surface of the telescopic shaft, the roller bearings are arranged at both ends of the roller, and the thinner inner cylindrical surface of the telescopic shaft is fixed on the inner wall of the through hole.
8. The coupler of claim 7, wherein the number of the through holes is 4, and the through holes are uniformly arranged along the circumferential direction of the constraint plate, two roller devices are disposed in each through hole, and the line connecting the two roller devices is in the up-down direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921078617.XU CN210217647U (en) | 2019-07-11 | 2019-07-11 | Hook-pull type underwater quick connector device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921078617.XU CN210217647U (en) | 2019-07-11 | 2019-07-11 | Hook-pull type underwater quick connector device |
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| Publication Number | Publication Date |
|---|---|
| CN210217647U true CN210217647U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921078617.XU Active CN210217647U (en) | 2019-07-11 | 2019-07-11 | Hook-pull type underwater quick connector device |
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| CN (1) | CN210217647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206496A (en) * | 2019-07-11 | 2019-09-06 | 中国地质科学院 | A kind of pull-type underwater quick connector arrangement of hook |
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2019
- 2019-07-11 CN CN201921078617.XU patent/CN210217647U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206496A (en) * | 2019-07-11 | 2019-09-06 | 中国地质科学院 | A kind of pull-type underwater quick connector arrangement of hook |
| CN110206496B (en) * | 2019-07-11 | 2024-02-20 | 中国地质科学院 | Hook-pull type underwater quick connector device |
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