WO2016095271A1

WO2016095271A1 - Impact pin-type cable severing mechanism and use method therefor

Info

Publication number: WO2016095271A1
Application number: PCT/CN2014/095516
Authority: WO
Inventors: 孙兆华; 曹文熙
Original assignee: 中国科学院南海海洋研究所
Priority date: 2014-12-17
Filing date: 2014-12-30
Publication date: 2016-06-23
Also published as: CN104525793A; CN104525793B

Abstract

An impact pin-type cable severing mechanism consisting of a blade casing, a cable press plate, an ejection control casing, and a movable hook. Provided within the blade casing are a blade and a powerful compression spring below the blade. The ejection control casing is connected with the movable hook. A trigger piece and a blade latch are provided within the ejection control casing. In the impact pin-type cable severing mechanism, when the hook is taut, the blade latch within the ejection control casing is utilized to lock the blade, thus allowing the compression spring to remain in a compressed state, and when the hook is slack, the trigger piece is impacted by a rebound force to drive the blade latch into separating from the blade, and the compression spring is released to eject the blade to the cable press plate to sever a cable. Also disclosed is a use method for employing the cable severing mechanism in a seafloor observatory. The impact pin-type cable severing mechanism of the present invention is capable of effectively severing a cable in equipment when a relevant instruction is received, thus implementing equipment separation.

Description

Needle type cable breaking mechanism and using method thereof

Technical field

The present invention relates to a mechanical structure, and more particularly to a mechanical structure for cable breakage and its use in a submarine observation base station.

Background technique

Since human beings have been able to sail, due to technical and economic constraints, human understanding of the ocean is often obtained from ships by navigation, which determines that our exploration of the ocean is still at a superficial and one-sided stage. With the development of science and technology, with the urgent needs of different countries in the national security, economy, strategy and other aspects, human exploration of the ocean, especially the deep sea, has shown a spurt of development. Submarine observation base stations (also known as submarine standards) are the main means of deep sea observation, and research on their related technologies has become the key to the research and development of marine technicians.

In layman's terms, the submarine observation base station consists of a recovery unit and a discarding unit, which is placed on the seabed by the scientific research ship. After completing the long-term observation mission (months to years), the submarine observation base station receives the shipboard deck unit. The decoupling command separates the recovery unit from the disposal unit. The final recovery unit floats to the surface by buoyancy, is discovered and recovered by the scientific researcher, and the disposal unit remains on the seabed.

In some observation environments, the sensor needs to be installed in the disposal unit, and the measurement data is transmitted to the data acquisition system of the recovery unit through the cable. At this time, the recovery unit and the disposal unit cannot be separated by the conventional decoupling device, so it is necessary A mechanism was developed to enable the cable to be connected to the discarded portion and the recovered portion to be easily and efficiently cut, so that the discarded portion of the subsea observation base station and the recovered portion are separated by themselves.

Summary of the invention

In view of the above deficiencies, an object of the present invention is to provide a striker type cable breaking mechanism capable of easily and efficiently cutting a cable connecting a discarded portion and a recovered portion to separate the discarded portion and the recovered portion of the subsea observation base station.

The above object of the present invention is achieved by the following technical solutions:

A striker cable breaking mechanism, comprising:

a cable clamp, the lower surface of the cable clamp has a first groove for engaging the blade and a first groove a second groove for embedding the cable, the first groove and the second groove being perpendicular to each other and forming a cross-shaped structure, the first groove having a depth greater than a depth of the second groove;

a blade cartridge, the longitudinal direction of the top of the blade cartridge is parallel to the first groove and fixedly connected to the cable pressing plate, and a longitudinally extending through hole is formed on one side of the blade cartridge parallel to the first groove a blade is disposed in the blade box, the blade edge of the blade faces the first groove upwardly, and a convex return device is disposed on one side of the blade, and the return device passes through the through hole to the outside of the blade box Protruding and sliding up and down in the through hole, the middle of the other side of the blade is provided with a blade slot; the lower edge of the blade is fixedly connected to one end of the compression spring, and the other end of the compression spring is fixed in the blade box a bottom surface, the compression spring is fully released enough to cause the blade to reach the first groove to cut the cable;

a cable fixing block, wherein the cable fixing block is fixed to a lower portion of the blade case provided with a through hole;

An ejection control box, the ejection control box is connected to the blade box and located on a side away from the fixing block of the cable mechanism; a trigger piece and a blade lock are fixed on the upper part of the ejection control box; the trigger piece is an L-shaped whole The plate is fixed on the inner side of the ejection control box by the trigger plate rotation shaft at the near inflection point and rotates integrally with the rotation axis of the trigger piece as the axis, the distal end of the plate is horizontally placed, the proximal end is downward; the blade lock is integral The Z-shaped curved plate is fixed on the inner side surface of the ejection control box by a blade locking rotating shaft at a certain inflection point, and can rotate the shaft of the blade locking shaft as a whole, and the distal end of the Z-axis can be close to the proximal end of the trigger piece. The proximal end of the trigger can be embedded in the blade slot of the blade; the distal end of the trigger piece and the blade lock are respectively connected to the top plate of the ejection control box through the trigger piece fixing spring and the blade locking fixed spring;

a hook, the hook is disposed on a lower side of the ejection control box, wherein the upper portion of the hook passes through the bottom surface of the ejection control box and is located in the ejection control box, and is sleeved with a hook telescopic spring, and the upper end of the hook telescopic spring is fixedly connected with the top of the hook The lower end is fixedly connected with the inner bottom surface of the ejection control box, and the top end of the hook is provided with an impact column facing the distal end of the trigger piece.

Preferably, the blade, the compression spring, the trigger blade, the blade latch, the trigger blade fixing spring, the blade latch fixing spring, the hook, the hook telescopic spring, and the impact column are all made of titanium alloy material.

Preferably, the second recess extends through both ends of the cable clamp on which it is located.

Preferably, the depth of the first groove is 1.2-1.5 times the depth of the second groove.

Preferably, the cable clamp is a rectangular parallelepiped having a thickness at a level more than twice the diameter of the cable, or a semi-cylindrical body.

Preferably, the through hole is located in the upper 2/3 segment of the exposed portion of a certain side of the blade cartridge.

Preferably, the upper edge of the blade after the compression spring is fully compressed is at 1/6 of the inside of the blade cartridge.

Another object of the present invention is to provide a method for using the cable breaking mechanism in a submarine observation base station, wherein the subsea observation base station is composed of a recycling unit and a disposal unit, and a cable is connected between the recovery unit and the disposal unit;

Before the submarine observation experiment, the above-mentioned striker cable breaking mechanism is fixedly mounted on the frame between the recovery unit and the disposal unit of the subsea observation base station by using the cable fixing block, and the cable between the connection recovery unit and the disposal unit is connected. Passing through the second groove of the cable clamp, the cable is fixedly tensioned by the cable clamp, and the return device on the side of the blade is pulled downward to make the compression spring in the blade box fully compressed, and the seabed is tensioned by the wire rope Observing the base station's recovery unit and the discarding unit fixed, hooking the movable hook on the tensioned wire rope, keeping the movable hook in tension, the hook telescopic spring in the ejection control box is fully compressed; and, the blade in the ejection control box will be ejected The proximal end of the latch is embedded in the blade slot, and the compression spring in a fully compressed state is caught, and the distal end of the blade lock is pressed below the proximal end of the trigger piece;

After the completion of the seabed observation experiment, the observation base station receives the decoupling command from the shipborne data acquisition control system, and the wire rope of the fixed recovery unit and the disposal unit changes from the tension state to the slack state, and the hook hooked on the wire rope is relaxed, and the hook is stretched. Under the elastic force of the spring, the hook quickly pops up, hitting the distal end of the trigger piece with the impact column at the top, and the trigger piece rotates integrally with the rotating shaft of the trigger piece, and the proximal end of the trigger piece is rotated downward by the lever principle. The lower end of the blade latch is rotated downward, and the lever mechanism is also used to rotate the proximal end of the blade lock away from the blade slot of the blade. At this time, the compression spring is released, and the upper blade is driven to the first groove of the cable clamp. The internal ejection breaks the compressed cable in the second groove, and the connection between the recovery unit and the disposal unit of the seabed observation base station is disconnected; the final recovery unit floats to the sea surface by buoyancy, and the disposal unit remains on the seabed.

In the striker type cable breaking mechanism of the present invention, when the hook is tightened, the blade is locked by the blade in the ejection control box to lock the blade, so that the compression spring is kept in a compressed state; after the hook is loosened, the blade can be driven by the rebound force to drive the blade lock. Release the blade, release the compression spring, and eject the blade to the cable clamp to break the cable.

Compared with the prior art, the present invention has the beneficial effects that the present invention can be applied to a detection device such as a submarine observation base station, which is difficult for human beings to reach or needs remote control by a cooperation relationship of a hook, a compression spring, a blade, and an ejection control box. After receiving the relevant instructions, the cable connecting the discarded part and the recovered part is cut off simply and effectively, so that the discarded part of the submarine observation base station and the recovered part are separated by themselves.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic view showing the entire structure of one face of a cable breaking mechanism of the present invention.

Fig. 2 is a schematic view showing the overall structure of the other side of the cable breaking mechanism of the present invention.

Fig. 3 is a schematic view showing the structure of the cable breaking mechanism of the present invention before the cable is broken.

Fig. 4 is a schematic view showing the structure of the cable breaking mechanism of the present invention after the cable is broken.

The markup in the figure is as follows:

1, blade box; 11, through hole; 12, blade; 121, return device; 122, blade card slot; 13, compression spring; 2, cable clamp; 21, first groove; 3, hook; 31, hook telescopic spring; 32, impact column; 4, ejection control box; 41, trigger piece; 411, trigger piece fixed spring; 412, trigger piece rotating shaft; 42, blade lock; 421, blade card Locking spring; 422, blade locking rotating shaft; 5, cable fixing block; 6, cable.

detailed description

The invention will now be further described in conjunction with specific embodiments. The drawings are for illustrative purposes only, and are merely illustrative, rather than actual, and are not to be construed as limiting the scope of the invention; Zooming in or out does not represent the size of the actual product; it will be understood by those skilled in the art that certain known structures and their description may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it is understood that the terms "upper", "lower", "top", "bottom" are used. The orientation or positional relationship of the indications such as "vertical", "horizontal", and the like is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of the description of the present invention and the simplified description, rather than indicating or implying the device or component referred to. It is necessary to have a specific orientation and construction and operation in a specific orientation, and therefore the terms used in the drawings are for illustrative purposes only and are not to be construed as limiting.

As shown in Figures 1 and 2, the cable breaking mechanism of the present invention is mainly composed of a blade box 1, a cable pressing plate 2, an ejection control box 4 and a movable hook 3; the cable pressing plate 2 is placed at a level twice the diameter of the cable. The rectangular parallelepiped (may also be a semi-cylindrical structure or other structure as shown in FIG. 1 as long as there is a plane that can open two grooves and meet the depth requirement of the groove), and the lower surface of the rectangular parallelepiped is perpendicular to each other. a cross-shaped groove in which the depth of the deeper groove 21 is 1.2-1.5 times the depth of the shallower groove 22, The shallow groove 22 is wide enough to embed the cable; the length of the top of the blade cartridge 1 is parallel to the deeper groove 21 and fixedly connected to the cable clamp 2, for example, the top of the blade cartridge 1 can be fixed to the deep groove 21 Both ends or the outside of both ends.

The upper 2/3 section of the blade cartridge 1 having a side exposed portion parallel to the direction of the deeper groove 21 is provided with a longitudinally extending through hole 11; the blade cartridge 1 is internally provided with a blade 12 with the blade 12 facing upwardly The deep groove 21 has a convex cylindrical or prismatic return device 121 on one side of the blade 12, and the return device 121 protrudes through the through hole 11 to the outside of the blade case 1, and can be up and down in the through hole 11. Sliding, a blade slot 122 is disposed in the middle of the other surface of the blade 12 (preferably designed to be inclined upward from a side away from the proximal end of the blade latch 42 to ensure stable cooperation of the blade slot 122 and the blade latch 42); The strong compression spring 13 is fixedly connected, and the upper compression edge of the blade 12 is fully compressed by 1/6 in the blade cartridge 1 (ie, the distance from the blade edge to the top of the blade cartridge 1 is 1/6 of the height of the entire blade cartridge 1). At the same time, the strong compression spring 13 is fully released enough to allow the blade 12 to reach the deeper recess 21; the lower end of the strong compression spring 13 is fixed to the inner bottom surface of the blade cartridge 1. For ease of installation, the blade can be attached to a blade connector, and the compression spring 13 is fixedly coupled to the blade connector while a blade slot 122 is provided in the blade connector.

The blade case 1 has a rectangular parallelepiped cable fixing block 5 on the lower side of the through hole 11. The other side of the blade case 1 is connected with the external ejection control box 4; in the ejection control box 4, the upper part is fixed with the trigger piece 41 and the blade The latch 42 is a curved plate having an overall "L" shape, and is fixed to the inner side of the ejection control box 4 through the trigger piece rotating shaft 412 at a near inflection point and integrally rotated by the trigger piece rotating shaft 412 as a shaft. The distal end of the blade 41 is nearly horizontal, and the proximal end of the trigger piece 41 is downward; the blade latch 42 is an overall near-"Z" shaped curved plate that is fixed at the inflection point by the blade latching rotation shaft 422. The inner side of the control box 4 can be rotated integrally with the blade locking rotating shaft 422. The distal end of the blade latch 42 can be engaged with the proximal end of the trigger piece 41, and the proximal end of the blade latch 42 can be Inserted into the blade slot 122 of the blade 12; the distal end of the trigger piece 41 and the blade latch 42 are respectively connected to the top plate of the ejection control box 4 through the trigger piece fixing spring 411 and the blade locking fixing spring 421; below the ejection control box 4 is The activity hook 3, the upper part of the activity hook 3 is in the ejection control box 4, The hook telescopic spring 31 is sleeved, and the upper end of the hook telescopic spring 31 is fixedly connected with the top of the movable hook, the lower end is fixedly connected with the inner bottom surface of the ejection control box 4, and the top end of the movable hook 3 is provided with the striking column 32 facing the distal end of the trigger piece 41.

Blade 12, compression spring 13, trigger plate 41, blade latch 42, trigger plate fixing spring 411, blade The latch fixing spring 421, the hook 3, the hook telescopic spring 31, and the striking column 32 are all made of a titanium alloy material to prevent seawater from corroding the striker cable breaking mechanism when used in a submarine observation base station.

The cable breaking mechanism of the invention can be applied to a submarine observation base station, wherein the submarine observation base station is composed of a recovery unit and a disposal unit, and a cable 6 is connected between the recovery unit and the disposal unit. When used in a submarine observation base station:

First, before the submarine observation experiment, the cable breaking mechanism is fixedly mounted on the frame between the recovery unit and the disposal unit of the subsea observation base station by using the cable fixing block 5, as shown in FIG. The cable 6 of the discarding unit passes through the shallower recess 22 of the cable clamp 2, is fixedly tensioned by the cable clamp 2, and pulls down the returning device 121 on the side of the blade 12 to compress the compression spring 13 in the blade cartridge 1, and The recovery unit and the disposal unit of the subsea observation base station are fixed by the tensioned steel wire rope, and the movable hook 3 is hooked on the tensioned steel wire rope, so that the movable hook 3 is kept in a tension state, and the hook expansion spring 31 in the ejection control box 4 is fully At the same time, the proximal end of the blade latch 42 in the ejection control box 4 is embedded in the blade slot 122 of the blade 12 of the return position, and the powerful compression spring and the blade that are ready to be lifted are caught, and the blade latch 42 is far away. The shaft end is pressed below the proximal end of the trigger piece 41.

After the completion of the seabed observation experiment, the observation base station receives the decoupling command from the shipborne data acquisition control system, and the wire rope of the fixed recovery unit and the disposal unit changes from the tension state to the slack state, and the activity hook 3 hooked on the wire rope is relaxed, such as As shown in FIG. 4, under the elastic force of the hook telescopic spring 31, the movable hook 3 rapidly pops up, and the impact column 32 at the top thereof hits the distal end of the trigger piece 41, and the trigger piece as a whole is pivoted by the trigger piece rotating shaft 412. Rotating, using the principle of lever to rotate the proximal end of the trigger piece 41 downward, driving the distal end of the blade latch 42 to rotate downward, and also using the principle of lever to rotate the proximal end of the blade latch 42 away from the blade slot 122 of the blade 12. At this time, the strong compression spring 13 rebounds, and the upper blade 12 is ejected into the deep groove 21 of the cable clamp 2, and the compressed cable 6 in the shallow groove 22 is broken, and the recovery unit of the submarine observation base station and The abandonment unit is disconnected; the final recovery unit floats to the surface by buoyancy, is discovered and recovered by the scientific researcher, and the abandoned unit remains on the seabed.

The detailed description above is a detailed description of the possible embodiments of the present invention, which is not intended to limit the scope of the invention, and the equivalents and modifications of the present invention should be included in the scope of the patent. in.

Claims

A striker type cable breaking mechanism, characterized in that it comprises:

a cable pressing plate (2) having a first groove (21) for engaging with the blade (12) and a second groove (22) for engaging the cable, the lower surface of the cable pressing plate (2) The first groove (21) and the second groove (22) are perpendicular to each other and constitute a cross-shaped structure, and the depth of the first groove (21) is greater than the depth of the second groove (22);

a blade cartridge (1), the length direction of the top of the blade cartridge (1) is parallel to the first groove (21) and fixedly connected to the cable pressing plate (2), and the blade cartridge (1) and the first groove ( 21) a longitudinally extending through hole (11) is formed on one side of the parallel direction, and a blade (12) is disposed in the blade case (1), and the blade edge of the blade (12) faces the first groove (21), and the blade (12) is provided with a convex returning device (121) on one side thereof, and the returning device (121) protrudes toward the outside of the blade cartridge (1) through the through hole (11) And sliding up and down in the through hole (11), a middle portion of the other side of the blade (12) is provided with a blade slot (122); the lower edge of the blade (12) is fixedly connected to the compression spring (13) At one end, the other end of the compression spring (13) is fixed to the inner bottom surface of the blade cartridge (1), and the compression spring (13) is fully released enough to allow the blade (12) to reach the first recess (21) to cut the cable. ;

a cable fixing block (5), the cable fixing block (5) is fixed to a lower portion of the blade case (1) provided with a through hole (11);

An ejection control box (4), the ejection control box (4) is in communication with the blade box (1) and located on a side away from the cable fixing block (5); a trigger is fixed on the upper portion of the ejection control box (4) a piece (41) and a blade lock (42); the trigger piece (41) is an L-shaped overall plate, and is fixed to the inner side of the ejection control box (4) by a trigger piece rotating shaft (412) at a near inflection point and The trigger piece rotation shaft (412) is integrally rotated as a shaft, and the distal end end thereof is horizontally placed, and the proximal end end is downward; the blade lock (42) is an overall reverse Z-shaped curved plate, and passes through the blade card at a certain inflection point. The lock rotation shaft (422) is fixed on the inner side surface of the ejection control box (4), and the blade lock rotation shaft (422) can be integrally rotated as a shaft, and the distal end end thereof can be interlocked with the proximal end of the trigger piece (341). The proximal end of the trigger plate (41) and the blade shaft lock (42) are respectively inserted into the blade slot (122) of the blade (12); the distal end of the trigger plate (41) and the blade latch are respectively passed through the trigger plate fixing spring (411) and the blade latch The fixing spring (421) is connected to the top plate of the ejection control box (4);

a hook (3), the hook (3) being disposed on a lower side of the ejection control box (4), wherein the hook (3) The upper part passes through the bottom surface of the ejection control box (4) and is located in the ejection control box (4), and is sleeved with a hook telescopic spring (31), and the upper end of the hook extension spring (31) is fixedly connected with the top of the hook (3), and the lower end It is fixedly connected to the inner bottom surface of the ejection control box (4), and the top end of the hook (3) is provided with an impact column (32) facing the distal end of the trigger piece (41).
The striker cable breaking mechanism according to claim 1, characterized in that the blade (12), the compression spring (13), the trigger piece (41), the blade lock (42), and the trigger piece fixing spring (411) ), the blade lock fixing spring (421), the hook (3), the hook telescopic spring (31), and the impact column (32) are all made of a titanium alloy material.
A striker cable breaking mechanism according to claim 1, wherein said second recess (22) extends through both ends of the cable clamp (2) where it is located.
The striker cable breaking mechanism according to claim 1, wherein the depth of the first groove (21) is 1.2-1.5 times the depth of the second groove (22).
The striker type cable breaking mechanism according to claim 1, wherein the cable pressing plate (2) is a rectangular parallelepiped having a thickness at a level twice or more the diameter of the cable, or a semi-cylindrical body.
A striker cable breaking mechanism according to claim 1, wherein said through hole (11) is located in the upper 2/3 section of the exposed portion of a certain side of the blade cartridge (1).
A striker cable breaking mechanism according to claim 1, wherein said compression spring (13) is fully compressed and the upper edge of the blade (12) is at 1/6 of the inside of the blade cartridge (1).
A method for using a striker cable breaking mechanism in a submarine heat flow observation base station, wherein the seabed observation base station is composed of a recovery unit and a disposal unit, and a cable (6) is connected between the recovery unit and the disposal unit, wherein Includes the following steps:

Before the seabed observation experiment, the striker cable breaking mechanism of claim 1 is fixedly mounted on the frame between the recovery unit and the disposal unit of the subsea observation base station by using the cable mechanism fixing block (5), and the connection recovery unit and The cable (6) between the discarding units passes through the second recess (22) of the cable clamp (2), and the cable (6) is fixedly tensioned by the cable clamp (2), pulling down the side of the blade (12) The returning device (121) is such that the compression spring (13) in the blade cartridge (1) is in a fully compressed state, and at the same time, the recovery unit and the disposal unit of the sea bottom observation base station are fixed by the tensioned steel wire rope, and the hook (3) is hooked On the tensioned wire rope, the hook (3) is kept in tension, the hook telescopic spring (31) in the ejection control box (4) is fully compressed; and the blade in the ejection control box (4) is locked ( 42) Embedding blade slot on the proximal end (122) Inside, the compression spring (13) in a fully compressed state is caught, and the distal end of the blade latch (42) is pressed below the proximal end of the trigger piece (41);

After the completion of the seabed observation experiment, the observation base station receives the decoupling command from the shipborne data acquisition control system, and the wire rope of the fixed recovery unit and the disposal unit changes from the tension state to the slack state, and the hook (3) hooked on the wire rope is relaxed. Under the elastic force of the hook telescopic spring (31), the hook (3) quickly pops up, hitting the distal end of the trigger piece (41) with the impact column (32) at the top thereof, and the trigger piece as a whole rotates the shaft with the trigger piece (412) For the rotation of the shaft, the principle of the lever is used to rotate the proximal end of the trigger piece (41) downward, and the distal end of the blade lock (42) is rotated downward, and the proximal end of the blade lock (42) is also generated by the lever principle. Rotating away from the blade slot (122) of the blade (12), at this time the compression spring (13) is released, and the upper blade (12) is ejected into the first groove (21) of the cable clamp (2), which will be The compressed cable (6) in the two grooves (22) is broken, and the recovery unit and the disposal unit of the subsea observation base station are disconnected; the final recovery unit floats to the sea surface by buoyancy, and the disposal unit remains on the seabed.