CN112537425A

CN112537425A - Underwater releaser and underwater equipment recovery system

Info

Publication number: CN112537425A
Application number: CN202011553827.7A
Authority: CN
Inventors: 赵晓飞; 国婧倩; 支登峰; 刘金山
Original assignee: Smart Ocean Technology Co ltd
Current assignee: Smart Ocean Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-03-23

Abstract

The invention relates to the technical field of underwater equipment, in particular to an underwater releaser and an underwater equipment recovery system. The underwater release includes: the body, be equipped with the watertight socket on the body, the watertight socket is used for external communication cable, in order will body and buoyancy cabin electric connection, this scheme increases wired mode of receiving external control signal under the mode prerequisite that remains to receive external underwater sound control signal, promptly: the buoyancy cabin is electrically connected with the external communication cable; in conclusion, when the underwater sound signal is difficult to transmit, the signal transmission can be guaranteed in a wired mode, so that the hook is guaranteed to be unlocked in time, the underwater releaser is normally separated from the counterweight block, and underwater equipment recovery is smoothly completed.

Description

Underwater releaser and underwater equipment recovery system

Technical Field

The invention relates to the technical field of underwater equipment, in particular to an underwater releaser and an underwater equipment recovery system.

Background

With the development of marine hydrology monitoring and submarine observation network technologies, people know the marine ecology more and more. However, the existing buoy mainly observes the sea surface, and is difficult to realize seabed observation; the submarine observation network has long planning and construction period, is mainly based on submarine observation, and has high operation, maintenance and cost, and particularly has large difficulty in recovering underwater equipment.

At present, underwater equipment recovery all depends on an underwater releaser, and the underwater releaser is a common auxiliary device for underwater equipment recovery in an ocean observation system; the device has the main functions that the hook for mounting the balancing weight at the lower part is unlocked by receiving an external control signal, so that the underwater releaser is separated from the balancing weight, and the cabin body floats to the water surface by virtue of the buoyancy cabin above, thereby achieving the purpose of recovering the test equipment in the buoyancy cabin; at present, the current releaser under water adopts wireless mode to receive external control signal mostly, but because marine environment's changeable, the difficult condition of wireless signal transmission often can appear to consequently lead to in time unblock the couple, causes releaser under water and the unable normal break away from of balancing weight, seriously influences equipment under water and retrieves.

Disclosure of Invention

Technical scheme (I)

To achieve the above object, a first aspect of the present invention provides an underwater release comprising: the body, be equipped with the watertight socket on the body, the watertight socket is used for external communication cable, in order with body and buoyancy cabin electric connection.

Optionally, the lower wall surface of the body is further provided with a depth sensor for measuring the depth of the working water.

Optionally, the shell of the body is made of precipitation hardening stainless steel.

Optionally, the lower wall surface of the body is further provided with a zinc block.

Optionally, the body includes: the device comprises a protection ring, a watertight cabin and a hook, wherein one end of the watertight cabin is fixedly connected with the protection ring, the other end of the watertight cabin is movably connected with the hook through a piston pin, and an energy converter is further installed in the protection ring.

Optionally, the lower wall surface of the body is further provided with two clamping plates which are parallel to each other, the hook is installed between the two clamping plates, and one end, far away from the watertight cabin, of the hook is rotatably connected with the two clamping plates through a pin shaft.

Optionally, a driving mechanism is further installed in the watertight compartment, and the driving mechanism is used for driving the piston pin to move towards the retraction of the watertight compartment so as to be separated from the hook.

Optionally, the drive mechanism comprises: the piston rod comprises a driving motor, a lead screw and a lead screw nut, wherein one end of the lead screw is fixedly connected with an output shaft of the driving motor, the other end of the lead screw is connected with the lead screw nut in a sliding mode, and the lead screw nut is detachably connected with the piston pin.

Optionally, the end of the watertight compartment is further fixedly connected with a plurality of screws, and the guard ring is fixedly connected with the plurality of screws through fasteners.

To achieve the above object, a second aspect of the present invention provides a subsea equipment recovery system comprising: the underwater releaser is arranged between the buoyancy cabin and the counterweight block and is electrically connected with the buoyancy cabin through a communication cable.

(II) advantageous effects

Compared with the prior art, the invention has the following beneficial effects:

the invention provides an underwater release and an underwater equipment recovery system, the underwater release comprises: the buoyancy cabin comprises a body, wherein a watertight socket is arranged on the body and is used for being externally connected with a communication cable so as to electrically connect the body with the buoyancy cabin; this scheme is on the premise of keeping the mode of receiving outside underwater sound control signal, increases wired mode of receiving outside control signal, promptly: the buoyancy cabin is electrically connected with the external communication cable; in conclusion, when the underwater sound signal is difficult to transmit, the signal transmission can be guaranteed in a wired mode, so that the hook is guaranteed to be unlocked in time, the underwater releaser is normally separated from the counterweight block, and underwater equipment recovery is smoothly completed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for a person skilled in the art that other drawings can be obtained according to the drawings without inventive exercise, wherein:

FIG. 1 is a schematic diagram of the subsea equipment recovery system of the present invention;

FIG. 2 is a bottom view of the underwater release of the present invention;

FIG. 3 is a schematic view of the underwater release of the present invention;

FIG. 4 is a schematic view of the structure of the present invention showing the hook engaged with the wrist pin and the pin shaft;

fig. 5 is an exploded view of a portion of the underwater release of the present invention.

In the figure: 1. a watertight socket; 2. a communication cable; 3. a buoyancy compartment; 4. a depth sensor; 5. a zinc block; 6. a guard ring; 7. a watertight compartment; 8. hooking; 9. a piston pin; 10. a transducer; 11. a clamping plate; 12. a drive motor; 13. a lead screw; 14. a lead screw nut; 15. a drive mechanism; 16. a screw; 17. a balancing weight; 18. an underwater releaser; 19. and (7) a pin shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

The invention is described in further detail below with reference to the following figures and detailed description:

as shown in fig. 1-5, a first aspect of the present application provides an underwater release comprising: the body is provided with a watertight socket 1; the watertight socket 1 is externally connected with a communication cable 2 so as to electrically connect the body with the buoyancy cabin 3; this scheme is keeping under original adoption wireless mode receiving outside underwater sound control signal's the prerequisite, increases wired mode of receiving outside control signal, promptly: the buoyancy cabin 3 is electrically connected with the external communication cable 2; to sum up, when the underwater sound signal transmission is difficult, then can adopt wired mode to guarantee signal transmission, and then guarantee in time to carry out the unblock to couple 8, releaser under water normally breaks away from with balancing weight 17, accomplishes underwater equipment and retrieves smoothly.

Because releaser receives self volume restriction under water, and it is limited from taking battery power, so after through communication cable and buoyancy cabin electric connection, if detect current residual capacity of releaser under water and when having been less than predetermineeing the residual capacity threshold value, the buoyancy cabin can be through communication cable communication or assist the power supply to releaser under water to guarantee that the couple can in time carry out the unblock operation according to the instruction.

According to an embodiment of the present invention, in order to measure the working water depth, as shown in fig. 2, the lower wall surface of the body is further provided with a depth sensor 4 for measuring the working water depth, and other types of underwater sensors can be provided.

In order to further increase the strength of the underwater release 18, according to one embodiment of the present invention, the material of the outer shell of the body is precipitation hardened stainless steel; specifically, compared with 316L stainless steel and duplex stainless steel which are commonly used in the prior art, the precipitation hardening stainless steel used in the embodiment has higher material strength, so that the used materials are fewer and lighter in weight on the basis of ensuring the performances such as the mounting load, the deep sea compressive strength and the like.

According to an embodiment of the invention, in order to avoid the corrosion of the outer shell by seawater, as shown in fig. 2, the lower wall surface of the body is also provided with a rust-proof zinc block 5; specifically, the embodiment effectively prevents the shell from being corroded by seawater by an anode sacrificial protection mode.

According to an embodiment of the present invention, as shown in fig. 3, the body includes: the device comprises a protective ring 6, a watertight cabin 7 and a hook 8, wherein one end of the watertight cabin 7 is fixedly connected with the protective ring 6, the other end of the watertight cabin 7 is movably connected with the hook 8 through a piston pin 9, and an energy converter 10 is further arranged in the protective ring 6; preferably, the transducer 10 is used, and particularly, the transducer is mainly in communication interaction with a surface ship-borne deck unit through sound waves; as shown in fig. 1, if the underwater releaser receives an underwater acoustic release signal sent by a deck unit carried by a ship on the water surface through a transducer 10, the underwater acoustic release signal is effectively identified, and a hook unlocking action is performed according to the underwater acoustic release signal; if the underwater releaser does not receive the underwater sound release signal sent by the ship-borne deck unit on the water surface or effectively identifies the underwater sound release signal, at the moment, the steps of receiving and identifying the buoyancy compartment signal are executed: the buoyance cabin receives the underwater sound release signal that surface of water ship carried deck unit sent, if receive, then effectively discern above-mentioned underwater sound release signal, and send the signal after discerning to the releaser under water through communication cable 2, at this moment, the releaser will get in touch the unblock action according to received signal under water, the design of adopting this application can be when adopting the unable smooth release signal of receiving of underwater sound mode, automatic switch is received to wired mode, thereby guarantee that the couple can in time unblock, and then guarantee that releaser and balancing weight normally break away from under water, guarantee that equipment under water retrieves.

In the above embodiment, as shown in fig. 4 and 5, a driving mechanism 15 is further installed inside the watertight compartment 7, and the driving mechanism 15 is used for driving the piston pin 9 to move to retract the watertight compartment 7 so as to be separated from the hook 8; specifically, the drive mechanism 15 includes: the device comprises a driving motor 12, a lead screw 13 and a lead screw nut 14, wherein one end of the lead screw 13 is fixedly connected with an output shaft of the driving motor 12, the other end of the lead screw is in sliding connection with the lead screw nut 14, and the lead screw nut 14 is detachably connected with a piston pin 9; preferably, the lead screw nut 14 is in threaded connection with the piston pin 9, so that the piston pin 9 is convenient to repair and replace; as shown in fig. 3 and 4, the lower wall surface of the body is further provided with two parallel clamping plates 11, the hook 8 is installed between the two clamping plates 11, and one end of the hook 8 far away from the watertight compartment 7 is rotatably connected with the two clamping plates 11 through a pin 19.

In an initial state, as shown in fig. 4, the top end of the hook 8 is connected with the piston pin 9, and the bottom end is rotatably connected with the clamping plate 11 through a pin shaft 19; if driving motor 12 received the release signal, then reverse according to the release signal to drive lead screw 13 and carry out synchronous antiport, at this moment, screw nut 14 will be along the motion of lead screw 13 to withdrawal watertight cabin 7, meanwhile, because piston pin 9 is connected with screw nut 14, then piston pin 9 also is along the motion of lead screw 13 to withdrawal watertight cabin 7, thereby realize the separation on

piston pin

9 and 8 tops of couple, at this moment, the bottom of couple 8 only rotates with grip block 11 through round pin axle 19 to be connected, and under the pulling force effect of balancing weight 17, couple 8 will be along the rotatory unhook of round pin axle 19, accomplish the breaking away from of releaser and balancing weight 17 under water so far, guarantee that equipment under water retrieves.

It should be understood that the drive mechanism 15 is presented herein by way of example only and not limitation, and that other drive mechanism 15 configurations may be employed by one of ordinary skill in the art based on the teachings herein and are within the scope of the present application; for example, the driving mechanism 15 may also adopt an electric push rod or a driving cylinder, and the piston pin 9 is driven by the electric push rod or the driving cylinder to move towards the retraction watertight compartment 7 so as to be separated from the hook 8.

In a specific embodiment, the body further comprises: upper end cover and lower end cover, upper end cover and lower end cover set up respectively in the both ends of watertight cabin 7, as shown in fig. 2, couple 8, grip block 11, rust-resistant zinc piece 5 and depth sensor 4 all set up on the lower end cover, piston pin 9 drives its direction motion to inserting the lower end cover under actuating mechanism 15's effect, in order to realize being connected with the top of couple 8, when needs carry out the unblock to couple 8, only need under the effect of drive structure, drive piston pin 9 via the lower end cover to the direction motion in the watertight cabin 7 of withdrawal, until with 8 top separation of couple can.

According to an embodiment of the present invention, as shown in fig. 3, a plurality of screws 16 are fixedly connected to two ends of the watertight compartment 7, preferably, the plurality of screws 16 are connected to the outer wall surface of the watertight compartment 7 by welding, and a part of the screws 16 extend out through the upper end cover or the lower end cover; the protective ring 6 is fixedly connected with a plurality of screw rods 16 through fasteners; in the present embodiment, four screws 16 are provided, and the four screws 16 are distributed on the outer wall surface of each end of the watertight compartment 7 at equal intervals; preferably, the fastening piece is a fastening nut, and particularly, the extending end of the screw 16 sequentially penetrates through the upper end cover and the end cover of the protective ring 6 and is locked by the fastening nut; furthermore, in order to ensure the tightness of the watertight compartment 7, a flat washer and a spring washer are arranged between the fastening member and the upper end cover.

As shown in fig. 1, a second aspect of the present application provides a subsea equipment recovery system comprising: the buoyancy cabin 3, the counterweight 17 and the underwater releaser 18 as in any one of the above, the underwater releaser 18 is arranged between the buoyancy cabin 3 and the counterweight 17, and the underwater releaser 18 is electrically connected with the buoyancy cabin 3 through the communication cable 2. When the underwater acoustic hook works, the buoyancy chamber 3 and the underwater releaser 18 float in water under the tension of the balancing weight to work, if the underwater releaser receives an underwater acoustic release signal sent by a ship-borne deck unit on the water surface through the transducer 10, the underwater acoustic release signal is effectively identified, and hook unlocking action is carried out according to the underwater acoustic release signal; if the underwater releaser does not receive the underwater sound release signal sent by the ship-borne deck unit on the water surface or effectively identifies the underwater sound release signal, at the moment, the steps of receiving and identifying the buoyancy compartment signal are executed: the buoyancy cabin receives an underwater sound release signal sent by a deck unit carried by a surface ship, if the underwater sound release signal is received, the underwater sound release signal is effectively identified, the identified signal is sent to the underwater releaser through the communication cable 2, and at the moment, the underwater releaser carries out hook unlocking action according to the received signal; after the underwater releaser finishes the set underwater task, the underwater releaser can also actively report a task completion instruction through the communication cable 2 or an underwater sound signal, wait for other authorized control equipment to send a release signal and carry out hook unlocking action according to the release signal. After the hook is unlocked, the buoyancy cabin 3 and the underwater releaser 18 float on the water surface under the action of buoyancy, so that the hook can be conveniently recovered. Adopt the design of this application can adopt the underwater sound mode can't receive the release signal smoothly, and automatic switch is received to wired mode to the release signal to guarantee that the couple can in time unblock, and then guarantee that releaser and balancing weight normally break away from under water, guarantee that equipment under water retrieves.

The embodiments in the present description are all described in a progressive manner, and some of the embodiments are mainly described as different from other embodiments, and the same and similar parts among the embodiments can be referred to each other.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying importance; the words "bottom" and "top", "inner" and "outer" refer to directions toward and away from, respectively, a particular component geometry.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the communication may be direct, indirect via an intermediate medium, or internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An underwater release, comprising: the body, be equipped with watertight socket (1) on the body, watertight socket (1) are used for external communication cable (2), in order with body and buoyancy cabin (3) electric connection.

2. An underwater release as claimed in claim 1, characterized in that the lower wall surface of the body is further provided with a depth sensor (4) for measuring the depth of the operating water.

3. An underwater release as claimed in claim 1, wherein the material of the housing of the body is precipitation hardened stainless steel.

4. An underwater release as claimed in claim 1, characterized in that the lower wall of the body is further provided with a zinc block (5).

5. An underwater release as claimed in claim 1, wherein the body comprises: protection ring (6), watertight cabin (7) and couple (8), the one end of watertight cabin (7) with protection ring (6) fixed connection, the other end pass through piston pin (9) with couple (8) swing joint, still install transducer (10) in the protection ring (6).

6. An underwater release as claimed in claim 5, wherein the lower wall surface of the body is further provided with two parallel clamping plates (11), the hook (8) is mounted between the two clamping plates (11), and one end of the hook (8) far away from the watertight compartment (7) is rotatably connected with the two clamping plates (11) through a pin shaft (19).

7. An underwater release as claimed in claim 5, characterised in that inside said watertight compartment (7) there is also mounted a driving mechanism (15), said driving mechanism (15) being intended to drive the movement of said piston pin (9) towards retracting said watertight compartment (7) to disengage from said hook (8).

8. An underwater release as claimed in claim 7, characterized in that said driving mechanism (15) comprises: the piston rod assembly comprises a driving motor (12), a lead screw (13) and a lead screw nut (14), wherein one end of the lead screw (13) is fixedly connected with an output shaft of the driving motor (12), the other end of the lead screw is connected with the lead screw nut (14) in a sliding mode, and the lead screw nut (14) is detachably connected with the piston pin (9).

9. An underwater release as claimed in claim 5, characterised in that the end of said watertight compartment (7) is also fixedly connected with a plurality of screws (16), said guard ring (6) being fixedly connected with a plurality of said screws (16) by means of fasteners.

10. A subsea equipment recovery system, comprising: buoyancy compartment (3), counterweight (17) and underwater release according to any of claims 1 to 9, which is arranged between the buoyancy compartment (3) and the counterweight (17) and which is electrically connected to the buoyancy compartment (3) by means of a communication cable (2).