CN215367150U - Shipwreck liquid cargo rapid recovery device - Google Patents
Shipwreck liquid cargo rapid recovery device Download PDFInfo
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- CN215367150U CN215367150U CN202121512960.8U CN202121512960U CN215367150U CN 215367150 U CN215367150 U CN 215367150U CN 202121512960 U CN202121512960 U CN 202121512960U CN 215367150 U CN215367150 U CN 215367150U
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- 239000013535 sea water Substances 0.000 claims description 7
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- 238000004064 recycling Methods 0.000 claims 2
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- 238000010586 diagram Methods 0.000 description 2
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Abstract
本实用新型提供一种沉船液货快速回收装置，包括由沉船液货快速回收阀和对接快速接头组成的脱离装置，沉船液货快速回收阀置于液货船液货舱位置，对接快速接头两端分别与沉船液货快速回收阀和救援船液货回收管道连通，对接快速接头与水下机械手臂相连，通过水下机械手臂来操作对接快速接头和沉船液货快速回收阀的快速对接和脱离；对接时，接通液货舱与救援船液货回收管道，实现沉船液货的快速回收；沉船液货快速回收阀和对接快速接头内各设复位弹簧，在深海工作中遇到不明恶劣情况时，对接快速接头在水下机械手臂作用下自动快速脱离沉船液货快速回收阀，脱离后，沉船液货快速回收阀和对接快速接头在自身复位弹簧作用下，自主形成密封。
The utility model provides a quick recovery device for sunken liquid cargo, comprising a disengagement device composed of a quick recovery valve for sunken liquid cargo and a docking quick joint. It is connected with the wreck liquid cargo quick recovery valve and the rescue ship's liquid cargo recovery pipeline, and the docking quick connector is connected with the underwater manipulator, and the quick docking and disengagement of the docking quick connector and the wreck liquid cargo quick recovery valve are operated by the underwater manipulator; docking; When the cargo tank is connected to the recovery pipeline of the rescue ship, the quick recovery of the wrecked cargo can be realized; the quick recovery valve of the wrecked cargo and the quick joint of the docking are equipped with return springs. Under the action of the underwater robot arm, the quick connector automatically and quickly leaves the wreck liquid cargo quick recovery valve. After separation, the wreck liquid cargo quick recovery valve and the docking quick connector form a seal independently under the action of its own return spring.
Description
Technical Field
The utility model relates to the technical field of ship design, in particular to a quick recovery device for submerged ship liquid cargo.
Background
Nowadays, the maritime transportation industry is continuously developing, and the problems brought to the environment by ships are more and more serious. China is the country with the largest total world shipping demand, more than 50% of domestic trade transportation and more than 90% of foreign trade transportation tasks are completed through marine transportation, and due to abnormal climate change, extreme natural disasters frequently occur, and human factors, the probability of occurrence of serious marine accidents and serious oil spill pollution risks is greatly increased. The oil pollution has more serious harm to the marine environment, and the marine pollution caused by accidents such as ship collision, grounding, reef touch and the like accounts for 47 percent of the total amount of the marine oil pollution.
The liquid cargo includes various kinds of cargo (crude oil, chemical liquid sample and other liquid cargo, etc.), and the oil storage recovery in the sunken ship is taken as an example:
for the rapid recovery of the oil stored in the sunken ship, the traditional treatment method is divided into three steps, and the used equipment mainly comprises an underwater tapping machine and an underwater oil pumping machine. Firstly, environmental investigation and oil tank positioning are carried out, after the environmental investigation and the oil tank positioning are finished, underwater drilling is carried out, and finally, underwater oil pumping is carried out. These conventional steps are currently performed by divers working underwater, which creates a significant limitation since these steps rely solely on divers working underwater. Under normal conditions, the working depth of the diver is within 60 meters, which means that the diver is difficult to work underwater under water at the underwater depth of more than 60 meters. Secondly, the surrounding environment of some sunken ships is complex, which makes it difficult to ensure the safety of divers working underwater. Furthermore, there is a great inconvenience in the coordination of divers in surface command and underwater operations.
Therefore, for the rapid recovery of the submerged ship liquid cargo, the design of a rapid submerged ship liquid cargo recovery device is imperative.
SUMMERY OF THE UTILITY MODEL
According to the recovery mode of current sunken ship liquid goods that above-mentioned provided only rely on diver's underwater operation, have very big limitation, hardly ensure diver's safety at underwater operation simultaneously, to the surface of water commander work and underwater operation's diver's the technical problem that coordinates work mutually and cause very big inconvenience, and provide a quick recovery unit of sunken ship liquid goods. The utility model mainly utilizes a method of combining the valve and the quick connector to realize the quick butt joint and the quick separation of the sunken ship liquid cargo quick recovery valve and the butt joint quick connector in the separation device, and after the separation, the sunken ship liquid cargo quick recovery valve and the butt joint quick connector are quickly reset and sealed under the action of the self reset spring to prevent the liquid cargo from leaking again. In this way, the liquid cargo reserved in the ship which sinks into the seabed in case of accident can be quickly recovered.
The technical means adopted by the utility model are as follows:
a quick recovery unit of sunken ship liquid cargo includes: the separation device consists of a sunken ship liquid cargo quick recovery valve and a butt joint quick connector, the sunken ship liquid cargo quick recovery valve is arranged at a corresponding liquid cargo tank position of a liquid cargo ship, two ends of the butt joint quick connector are respectively communicated with the sunken ship liquid cargo quick recovery valve and a rescue ship liquid cargo recovery pipeline, the butt joint quick connector is connected with an underwater mechanical arm, and the butt joint quick connector and the sunken ship liquid cargo quick recovery valve are quickly butted and separated through the underwater mechanical arm; when in butt joint, the liquid cargo tank and the rescue vessel liquid cargo recovery pipeline are communicated, so that the submerged vessel liquid cargo is quickly recovered;
the quick recovery valve of sunken ship liquid goods and the quick joint of butt joint in respectively being equipped with reset spring, when meetting unclear adverse circumstances in deep sea work, the quick joint of butt joint breaks away from the quick recovery valve of sunken ship liquid goods automatically and fast under robotic arm's the effect under water, after breaking away from, the quick recovery valve of sunken ship liquid goods and the quick joint of butt joint are under self reset spring's effect, independently form sealedly, reduce pollution danger and the pollution scope and the degree to marine environment that the secondary leakage of the in-process of retrieving sunken ship liquid goods brought.
Furthermore, the sunken ship liquid cargo quick recovery valve comprises a valve body, a retainer connected with the outer side of the valve body, a positioning and clamping mechanism arranged on the retainer and a guide mechanism arranged at the end part of the retainer, wherein the guide mechanism provides an accurate guide function for quick and accurate introduction of the butt joint quick connector, and the positioning and clamping mechanism is used for clamping the introduced butt joint quick connector;
the interior of the valve body is provided with a first cavity, the interior of the retainer is provided with a second cavity, the first cavity is communicated with the second cavity, and the butt joint quick connector is led into the second cavity; a valve end cover is arranged on the upper part of the valve body, the valve end cover is fixedly connected with a first return spring positioned in the first cavity, and the first return spring has a return function; the valve body is communicated with the retainer, a valve clack body is positioned in the second chamber, the first return spring is connected with the valve clack, the valve clack is in contact connection with the end part of the guided butt joint quick connector, and the valve clack moves in the second chamber and the first chamber in a reciprocating manner under the butt joint pushing or contact separation of the butt joint quick connector and the action of the first return spring; in an initial state, the first return spring is in a compressed state;
the valve clack is cylindrical, and three first notches are formed in the cylindrical surface of the valve clack and used for circulation of liquid goods.
Furthermore, the positioning and clamping mechanism consists of a plurality of balls, a loop with a certain inclination angle, a clamping spring with a reset function and a protective shell sleeve, wherein the protective shell sleeve is sleeved on the outer wall of the retainer, the loop and the clamping spring are arranged in a sealed cavity formed between the protective shell sleeve and the retainer, one end of the clamping spring is fixed on the inner wall of the protective shell sleeve, the other end of the clamping spring is fixedly connected with one side of the loop, the other side of the loop is of an inclined plane structure, the inclined plane structure is provided with the plurality of balls in the circumferential direction, and the balls penetrate into the retainer; in the initial state, the clamping spring is in a compressed state; in a normal state, the sealing surface of the protective shell sleeve is attached to the sealing surface of the retainer to form a first sealing structure, so that seawater cannot permeate into the closed cavity.
Furthermore, when the sealing surface of the valve clack is contacted with the sealing surface of the valve body, a second sealing structure is formed, and liquid cargo in the valve and seawater outside the valve are effectively isolated; the end part of the valve clack connected with the first return spring is arranged in the first cavity, the end part is provided with an extension edge, and the extension edge is in contact with the inner wall of the valve body, so that the valve clack is limited and sealed at the same time when moving;
an O-shaped sealing ring groove is formed in the position, close to the valve clack, of the left side of the retainer, and a plurality of O-shaped sealing rings are installed in the O-shaped sealing ring groove, so that sealing is more complete.
Furthermore, the guide mechanism is of a horn mouth-shaped structure, a section of circular arc is arranged at the joint of the guide mechanism and the retainer, so that the accurate guide of the quick butt joint connector is ensured, and when the quick butt joint connector is close to the quick sunken ship liquid cargo recovery valve, the quick butt joint connector is gradually guided in; the valve clack of the submerged ship liquid cargo quick recovery valve realizes reset sealing by means of a first reset spring, the first reset spring is placed into a guide cylinder of a valve end cover, and the guide cylinder plays a role in spring movement guiding.
Furthermore, the butt joint quick connector comprises a connector body, a telescopic top pipe with a reciprocating movement function, a second return spring with a return function and a spring support plate, wherein a third chamber is arranged in the connector body, the spring support plate is fixed on the inner wall of the connector body and is positioned in the third chamber, one end of the second return spring is fixed in a guide barrel of the spring support plate, the guide barrel plays a role in guiding the movement of the spring, the other end of the second return spring is fixedly connected with one end of the telescopic top pipe, the other end of the telescopic top pipe extends out of the connector body, when the butt joint quick connector is guided into the sunken ship liquid cargo quick recovery valve, the other end of the telescopic top pipe is contacted with a valve clack and is pushed away from each other, the first return spring and the second return spring are gradually compressed, the first chamber, the second chamber and the third chamber are communicated, and liquid cargo in the sunken ship liquid cargo quick recovery valve flows into the butt joint quick connector, liquid goods in the submerged cargo tank are gradually led out; after the butt joint quick connector is separated, under the reset action of the first reset spring and the second reset spring, the sunken ship liquid cargo quick recovery valve and the butt joint quick connector are restored to the initial state and independently form sealing respectively;
the telescopic jacking pipe is cylindrical, and three second notches are formed in the cylindrical surface of the telescopic jacking pipe; three arc notches are arranged on the spring supporting plate.
Furthermore, the inner wall of the joint body is provided with a circumferential slope wall surface, the outer wall of the telescopic top pipe is provided with a circumferential bulge, the circumferential bulge is in contact connection with the circumferential slope wall surface to limit the movement of the telescopic top pipe, and meanwhile, the telescopic top pipe is sealed to form a third sealing structure.
Furthermore, a circumferential groove matched and connected with the positioning and clamping mechanism is formed in the outer wall of the joint body, and after the butted quick joint is guided into the sunken ship liquid cargo quick recovery valve, a ball of the positioning and clamping mechanism is clamped into the groove to position and clamp the butted quick joint; when the liquid cargo recovery operation is finished, the clamping force of the clamping spring and the clamping force of the ball are overcome by the pulling force of the underwater mechanical arm, the butt joint quick joint is taken out, namely after the butt joint quick joint is separated, the ball is restored to the initial state under the reset action of the clamping spring.
Furthermore, the quick sunken ship liquid cargo recovery valve and the butt joint quick connector are both made of corrosion-resistant double-phase 2205 stainless steel, the double-phase 2205 stainless steel is stainless steel with austenite and ferrite coexisting and half of metallographic phase in proportion, and is also called complex phase stainless steel.
The utility model also provides a recovery method of the submerged ship liquid cargo quick recovery device, which comprises the following steps:
before the submerged ship liquid cargo is quickly recovered, absolute sealing is formed by the liquid cargo inside the submerged ship liquid cargo quick recovery valve and the acting force of a first return spring, and the butt joint quick connector forms absolute sealing under the action of a second return spring; when the submerged ship liquid cargo quick recovery work is started, the butt joint quick connector carries the butt joint quick connector to the position near a guide mechanism of a submerged ship liquid cargo quick recovery valve under the action of an underwater mechanical arm, and the guide mechanism has certain arc-shaped guide, so that the butt joint quick connector does not need to be carried by the underwater mechanical arm to be accurately sent into the submerged ship liquid cargo quick recovery valve;
secondly, after the butt joint quick connector is successfully butted with the sunken ship liquid cargo quick recovery valve under the assistance of the underwater mechanical arm, the valve clack of the sunken ship liquid cargo quick recovery valve and the telescopic top pipe of the butt joint quick connector are respectively jacked open under the mutual acting force of the valve clack and the telescopic top pipe, and the sunken ship liquid cargo quick recovery valve and the butt joint quick connector are integrated to form a closed channel; at the moment, the sunken ship liquid cargo quick recovery valve and the return spring of the butt joint quick joint are both in a compressed state, the balls in the protective shell in the positioning and clamping mechanism are always kept in the ball positioning grooves of the retainer under the reset action of the self clamping spring, and the balls distributed at a certain angle are clamped in a circle of grooves of the butt joint quick joint to form clamping; when the butt joint quick connector is used for quickly recovering sunken ship liquid cargos, the butt joint quick connector cannot be separated randomly in the transverse direction;
after the butt joint is successful, the liquid cargo is conveyed from a left straight pipeline of the sunken ship liquid cargo quick recovery valve, flows through the valve clack, flows to the central axis of the cylinder through three first notches of the valve clack, simultaneously flows into a telescopic top pipe of the butt joint quick connector, flows into the telescopic top pipe, enters the interior of the butt joint quick connector along three second notches of the telescopic top pipe, is guided into the spring support plate from the interior of the butt joint quick connector, flows into a hose connected with the butt joint quick connector through three arc notches on the spring support plate, and is finally recovered onto a safety ship;
step four, when an unknown dangerous situation is met in the process of the liquid cargo quick recovery operation, the butt joint quick connector is automatically separated from the sunken ship liquid cargo quick recovery valve main body by means of an underwater mechanical arm; the two parts quickly form secondary sealing under the action of the self-reset spring, so that liquid cargo is prevented from leaking again, and secondary pollution to the ocean environment is formed;
after the liquid cargo quick recovery operation is finished, the butt joint quick connector is separated from the sunken ship liquid cargo quick recovery valve under the assistance of the underwater mechanical arm, a valve clack of the sunken ship liquid cargo quick recovery valve quickly forms sealing under the action of a first return spring, and a second return spring in the telescopic top pipe and liquid cargo in the pipeline of the butt joint quick connector also quickly form sealing; clamping spring among the positioning and clamping mechanism receives horizontal effort at the in-process that mechanical arm carried the butt joint quick-operation joint and breaks away from under water, and clamping spring is compressed, and the ball upwards moves on along the wall of the ball positioning groove on the holder, and after the recess on the butt joint quick-operation joint breaks away from the binding power of ball, the ball falls into in the recess again along the ball positioning groove on the holder under the clamping spring's in the protective housing cover reset effect.
Compared with the prior art, the utility model has the following advantages:
1. the sunken ship liquid cargo quick recovery device provided by the utility model adopts a mode of butt joint of the valve and the quick connector, so that quick butt joint and separation of the sunken ship liquid cargo quick recovery valve and the butt joint quick connector are realized, sunken ship liquid cargo recovery work is more convenient, quick and safe to carry out on the sea, and maneuverability of a rescue ship and safety of the sunken ship liquid cargo quick recovery work are greatly improved. The use of the rapid recovery valve for the submerged cargo improves the conventional method of processing the submerged cargo inside the submerged ship by making a hole in the ship body and then inserting the recovery hose therein by manual operation.
2. The device for rapidly recovering the submerged ship liquid cargo provided by the utility model can automatically separate from the submerged ship liquid cargo rapid recovery valve and the butt joint rapid joint to respectively and independently form sealing under the action of the self return spring when working in deep sea under the condition of unknown severe conditions, thereby reducing the pollution risk to the marine environment and the pollution range and degree caused by secondary leakage in the process of recovering the submerged ship liquid cargo.
3. According to the device for quickly recovering the submerged ship liquid cargo, the manpower cost for recovering the submerged ship liquid cargo is reduced, the safety of a rescue ship on the sea surface and underwater operation for quickly recovering the submerged ship liquid cargo at a deeper position are more powerfully guaranteed, meanwhile, the butt joint of the butt joint quick connector and the butt joint and separation of the submerged ship liquid cargo quick recovery valve are operated by means of the underwater mechanical arm, the safety of operation from personnel to the deep position of the sea bottom is reduced, and a foundation is laid for better and quickly and effectively recovering and treating the submerged ship crude oil.
4. According to the rapid sunken ship liquid cargo recovery device provided by the utility model, the sunken ship liquid cargo rapid recovery valve related in the sunken ship liquid cargo rapid recovery method has the advantages of good high-pressure sealing property, long service life, strong operation maneuverability and high reliability. With the implementation and development of the national high-pressure valve technology for ships, the valve is used as a key device of an output system of liquid goods in ships, and has great significance for meeting the emergency requirement of submerged ship liquid goods, maintaining the marine environment and researching and developing a rapid recovery valve of the submerged ship liquid goods.
In conclusion, the technical scheme of the utility model can solve the problems that the existing submerged ship liquid cargo recovery mode only depends on underwater operation of divers, has great limitation, is difficult to ensure the safety of the divers in the underwater operation, and causes great inconvenience to the mutual coordination work of the divers in water surface command work and the underwater operation.
Based on the reason, the utility model can be widely popularized in the fields of rapid recovery of liquid cargo remained in a submerged ship cargo tank in a submerged ship accident and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are 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 assembly diagram of a three-dimensional structure of a submerged ship liquid cargo quick recovery valve and a butt joint quick connector according to the utility model.
Fig. 2 is a schematic assembly cross-sectional view of a three-dimensional structure of a submerged ship liquid cargo quick recovery valve and a butt joint quick connector according to the present invention.
Fig. 3 is a three-dimensional assembly diagram of the submerged ship liquid cargo quick recovery valve according to the present invention.
Fig. 4 is a three-dimensional assembly sectional view of the submerged ship liquid cargo quick recovery valve according to the present invention.
Fig. 5 is a schematic view of a submerged ship liquid cargo quick recovery valve according to the present invention.
Fig. 6 is a cross-sectional view taken at a-a in fig. 5.
FIG. 7 is a three-dimensional assembly view of a docking quick connector according to the present invention.
FIG. 8 is a cross-sectional view of a three-dimensional assembly of a docking quick connector according to the present invention.
FIG. 9 is a schematic view of a butt quick coupling according to the present invention.
Fig. 10 is a cross-sectional view taken at B-B in fig. 9.
In the figure: 1. a valve body; 2. a valve flap; 3. a holder; 4. a ball bearing; 5. a guide mechanism; 6. Looping; 7. a clamping spring; 8. a protective shell sleeve; 9. an O-shaped seal ring groove; 10. a first return spring; 11. a valve end cap; 12. telescopic pipe jacking; 13. a connector body; 14. a second return spring; 15. And a spring support plate.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For the rapid recovery of the submerged ship liquid cargo, the utility model designs a rapid recovery device of the submerged ship liquid cargo by using the technology of a quick connector and combining with a valve, which comprises: the separation device consists of a sunken ship liquid cargo quick recovery valve and a butt joint quick connector, the sunken ship liquid cargo quick recovery valve is arranged at a corresponding liquid cargo tank position of a liquid cargo ship, two ends of the butt joint quick connector are respectively communicated with the sunken ship liquid cargo quick recovery valve and a rescue ship liquid cargo recovery pipeline, the butt joint quick connector is connected with an underwater mechanical arm, and the butt joint quick connector and the sunken ship liquid cargo quick recovery valve are quickly butted and separated through the underwater mechanical arm; when in butt joint, the liquid cargo tank and the rescue vessel liquid cargo recovery pipeline are communicated, so that the submerged vessel liquid cargo is quickly recovered; the quick recovery valve of sunken ship liquid goods and the quick joint of butt joint in respectively being equipped with reset spring, when meetting unclear adverse circumstances in deep sea work, the quick joint of butt joint breaks away from the quick recovery valve of sunken ship liquid goods automatically and fast under robotic arm's the effect under water, after breaking away from, the quick recovery valve of sunken ship liquid goods and the quick joint of butt joint are under self reset spring's effect, independently form sealedly, reduce pollution danger and the pollution scope and the degree to marine environment that the secondary leakage of the in-process of retrieving sunken ship liquid goods brought.
In the embodiment, when liquid goods such as (oil storage, liquid chemicals and other liquid goods) in the sunken ship are discharged, a sunken ship liquid goods quick recovery valve is arranged in advance at the position of a corresponding liquid cargo tank of the liquid cargo ship, and after a sunken ship accident occurs, the sunken ship liquid goods quick recovery valve is guided by an underwater mechanical arm to be in butt joint with a butt joint quick connector of the sunken ship liquid cargo tank, so that a liquid cargo tank and a rescue ship liquid goods recovery pipeline are communicated, and the sunken ship liquid goods are quickly recovered. In an underwater environment with high pressure and low visibility, the quick butt joint connector accurately reaches the position of a preset valve (a quick sunken ship liquid cargo recovery valve) by means of a mechanical arm and realizes butt joint accurately, so that the smooth operation of liquid cargo recovery is ensured. When the recovery operation is finished, the tension of the mechanical arm is used for overcoming the spring clamping force of the positioning and clamping mechanism, and the butt joint quick connector is taken out. The valve has the advantages of good high-pressure sealing performance, long service life, strong oil transportation maneuverability and high reliability. And a butt joint combination mode of a valve and a quick connector is adopted, so that quick butt joint and separation are realized. The use of the rapid recovery valve and the butt quick joint for the submerged cargo improves the traditional method of processing the submerged cargo inside the submerged ship by opening a hole on the ship body and then inserting a conveying hose into the hole by manual operation.
Example 1
As shown in fig. 1 to 10, a device for rapidly recovering submerged cargo of a sunken ship comprises: the quick sunken ship liquid cargo recovery valve is fixedly arranged at the position of a corresponding liquid cargo tank of the liquid cargo ship, is connected with the liquid cargo tank through a pipeline system in the tank, and discharges liquid cargo in the liquid cargo tank as soon as possible by effectively matching an underwater mechanical arm in an underwater environment with high pressure and low visibility. Two ends of the butt joint quick connector are respectively communicated with the sunken ship liquid cargo quick recovery valve and a rescue ship liquid cargo recovery pipeline (the rescue ship liquid cargo recovery pipeline is in the prior art and not shown in the figure), the butt joint quick connector is connected with an underwater mechanical arm (the underwater mechanical arm adopts the prior structure and is not shown in the figure), and the butt joint quick connector and the sunken ship liquid cargo quick recovery valve are quickly butted and separated through the underwater mechanical arm; when in butt joint, the liquid cargo tank and the rescue vessel liquid cargo recovery pipeline are communicated, so that the submerged vessel liquid cargo is quickly recovered; the quick recovery valve of sunken ship liquid goods and the quick joint of butt joint in respectively being equipped with reset spring, when meetting unclear adverse circumstances in deep sea work, the quick joint of butt joint breaks away from the quick recovery valve of sunken ship liquid goods automatically and fast under robotic arm's the effect under water, after breaking away from, the quick recovery valve of sunken ship liquid goods and the quick joint of butt joint are under self reset spring's effect, independently form sealedly, reduce pollution danger and the pollution scope and the degree to marine environment that the secondary leakage of the in-process of retrieving sunken ship liquid goods brought. Specifically, after the sunken ship liquid cargo quick recovery valve and the butt joint quick connector (fig. 1 and fig. 2) are successfully butted by means of an underwater mechanical arm, once an unknown dangerous condition (such as underwater heavy waves, huge shaking of a ship and the like) is met in the recovery operation process, the butt joint quick connector automatically and quickly breaks away from the sunken ship liquid cargo quick recovery valve under the action of the underwater mechanical arm, after the separation, the sunken ship liquid cargo quick recovery valve and the butt joint quick connector rapidly reset under the action of a self reset spring, respective valve clacks quickly reset to form self sealing with corresponding valve seats and sealing seats of the connectors, secondary leakage cannot be formed after the sealing is formed, and the marine environment is polluted again.
In the embodiment, the sunken ship liquid cargo quick recovery valve comprises a valve body 1, a retainer 3 connected with the outer side of the valve body 1, a positioning and clamping mechanism arranged on the retainer 3 and a guide mechanism 5 arranged at the end part of the retainer 3, wherein the guide mechanism 5 provides an accurate guide function for the quick and accurate introduction of a butt joint quick connector, and the positioning and clamping mechanism is used for clamping the introduced butt joint quick connector; the interior of the valve body 1 is provided with a first chamber, the interior of the retainer 3 is provided with a second chamber, the first chamber is communicated with the second chamber, and the butt joint quick connector is led into the second chamber; a valve end cover 11 is arranged at the upper part of the valve body 1, the valve end cover 11 is fixedly connected with a first return spring 10 positioned in the first cavity, and the first return spring 10 has a return function; the valve body 1 is communicated with the retainer 3, the valve clack 2 is arranged, the body of the valve clack 2 is positioned in the second chamber, the first return spring 10 is connected with the valve clack 2, the valve clack 2 is in contact connection with the end part of the imported butt joint quick connector, and the valve clack 2 moves in the second chamber and the first chamber in a reciprocating manner under the butt joint pushing or disengaging contact of the butt joint quick connector and the action of the first return spring 10; in the initial state, the first return spring 10 is in a compressed state. The valve clack 2 is in a cylindrical shape, and three first notches are formed in the cylindrical surface of the valve clack and used for circulation of liquid goods.
In this embodiment, the positioning and clamping mechanism is composed of a plurality of balls 4, a loop 6 with a certain inclination angle, a clamping spring 7 with a reset function and a protective shell 8, the protective shell 8 is sleeved on the outer wall of the retainer 3, the loop 6 and the clamping spring 7 are arranged in a sealed cavity formed between the protective shell 8 and the retainer 3, one end of the clamping spring 7 is fixed on the inner wall of the protective shell 8, the other end of the clamping spring is fixedly connected with one side of the loop 6, the other side of the loop 6 is of an inclined plane structure, the inclined plane structure is provided with the plurality of balls 4 in the circumferential direction, and the balls 4 penetrate into the retainer 3; in the initial state, the clamping spring 7 is in a compressed state; in a normal state, the sealing surface of the protective shell 8 is attached to the sealing surface of the retainer 3 to form a first sealing structure, so that seawater cannot permeate into the closed cavity.
In the embodiment, when the sealing surface of the valve clack 2 is contacted with the sealing surface of the valve body 1, a second sealing structure is formed, and liquid cargo inside the valve and seawater outside the valve are effectively isolated; the end part of the valve clack 2 connected with the first return spring 10 is arranged in the first cavity, the end part is provided with an extension edge, and the extension edge is in contact with the inner wall of the valve body 1, so that the valve clack 2 is limited in movement and sealed at the same time; an O-shaped sealing ring groove 9 is formed in the position, close to the inner wall of the valve clack 2, of the left side of the retainer 3, and a plurality of O-shaped sealing rings are installed in the O-shaped sealing ring groove 9, so that sealing is more complete. In the present embodiment, three O-rings are provided.
In the embodiment, the guide mechanism 5 is a bell mouth-shaped structure, and a section of circular arc is arranged at the joint of the guide mechanism and the retainer 3, so that the accurate guide of the quick butt joint is ensured, and when the quick butt joint is close to the quick sunken ship liquid cargo recovery valve, the quick butt joint is gradually guided in; the valve clack 2 of the sunken ship liquid cargo quick recovery valve realizes reset sealing by means of a first reset spring 10, the first reset spring 10 is placed into a guide cylinder of a valve end cover 11, and the guide cylinder plays a role in spring movement guiding. After the quick butt joint is separated from the quick butt joint, the quick sunken ship liquid cargo recovery valve realizes self sealing under the action of the first reset spring 10 of the quick sunken ship liquid cargo recovery valve, and secondary leakage of the extracted liquid cargo is prevented, so that pollution to the marine environment is caused.
In this embodiment, the butt joint quick connector includes a connector body 13, a telescopic top pipe 12 having a reciprocating function, a second return spring 14 having a return function, and a spring support plate 15, the connector body 13 has a third chamber therein, the spring support plate 15 is fixed to an inner wall of the connector body 13 and is located in the third chamber, one end of the second return spring 14 is fixed to the spring support plate 15, the other end of the second return spring 14 is fixedly connected to one end of the telescopic top pipe 12, the other end of the telescopic top pipe 12 extends out of the connector body 13, when the butt joint quick connector is introduced into the sunken ship liquid cargo quick recovery valve, the other end of the telescopic top pipe 12 contacts with the valve flap 2 and is pushed open, the first return spring 10 and the second return spring 14 are gradually compressed, the first chamber, the second chamber and the third chamber are communicated, the liquid cargo in the sunken ship liquid cargo quick recovery valve flows into the butt joint quick connector, liquid goods in the submerged cargo tank are gradually led out; the specific process is that the butt joint quick joint is carried to a preset position of a valve by an underwater mechanical arm, the butt joint quick joint is accurately in butt joint with the valve, when the butt joint quick joint is in contact with the valve, the valve clack 2 and a telescopic top pipe 12 of the butt joint quick joint are mutually jacked open, liquid goods in the valve flow into the butt joint quick joint, and the liquid goods in the cargo tank of the sunken ship are gradually led out. After the quick butt joint connector is separated, under the reset action of the first reset spring 10 and the second reset spring 14, the quick sunken ship liquid cargo recovery valve and the quick butt joint connector are restored to the initial state and independently form sealing respectively. The fast butt joint is reset by the joint body and the telescopic top pipe by means of a compressible second reset spring 14, which is placed in a guide cylinder of a spring support plate 15, which plays a role in guiding the movement of the spring. The telescopic jacking pipe 12 is cylindrical, and three second notches are formed in the cylindrical surface of the telescopic jacking pipe; three circular arc notches are formed in the spring supporting plate 15 and are used for conveying liquid goods.
In this embodiment, the inner wall of the joint body 13 is provided with a circumferential slope wall surface, the outer wall of the telescopic top pipe 12 is provided with a circumferential protrusion, and the circumferential protrusion is in contact connection with the circumferential slope wall surface to limit the movement of the telescopic top pipe 12 and simultaneously seal the movement, so as to form a third sealing structure.
In this embodiment, the outer wall of the joint body 13 is provided with a circumferential groove in matching connection with the positioning and clamping mechanism, and after the docking quick coupling is guided into the sunken ship liquid cargo quick recovery valve, when the valve and the docking quick coupling are completely opened, the ball 4 of the positioning and clamping mechanism is clamped into the groove to position and clamp the docking quick coupling, thereby ensuring smooth liquid cargo recovery; when the liquid cargo recovery operation is finished, the tension of the underwater mechanical arm overcomes the clamping force of the clamping spring 7 and the clamping force of the ball 4, and the butt joint quick joint is taken out (namely, after the butt joint quick joint is separated, the ball 4 is restored to the initial state under the reset action of the clamping spring 7).
In this embodiment, the submerged ship liquid cargo quick recovery valve and the butt joint quick connector are both made of corrosion-resistant duplex 2205 stainless steel, and the duplex 2205 stainless steel is stainless steel in which austenite and ferrite coexist and the ratio of the metallographic phases is about half, and is also called complex phase stainless steel. The duplex stainless steel integrates the advantages of ferrite stainless steel and austenitic stainless steel, has the characteristics of superplasticity, high toughness, high strength and the like, has obviously better pitting corrosion resistance, crevice corrosion resistance, stress corrosion resistance and fatigue corrosion resistance than the austenite stainless steel and the ferrite single-phase stainless steel in the aspect of corrosion resistance, particularly under the condition of severe medium environment (such as seawater and high chloride ion content), and ensures that the submerged ship liquid cargo quick recovery valve and the butt joint quick joint are used for a long time in the using process.
Example 2
On the basis of the embodiment 1, the utility model also provides a recovery method of the submerged ship liquid cargo quick recovery device, which comprises the following steps:
before the submerged ship liquid cargo is quickly recovered, absolute sealing is formed by the liquid cargo inside the submerged ship liquid cargo quick recovery valve and the acting force of a first return spring 10, and absolute sealing is formed by a butt joint quick connector under the action of a second return spring 14; when the submerged ship liquid cargo quick recovery work is started, the butt joint quick connector carries the butt joint quick connector to the position near a guide mechanism 5 of a submerged ship liquid cargo quick recovery valve under the action of an underwater mechanical arm, the guide mechanism 5 has certain arc-shaped guide, the butt joint quick connector does not need to be carried by the underwater mechanical arm to be accurately sent into the submerged ship liquid cargo quick recovery valve, the butt joint quick connector only needs to be carried to the position near the guide mechanism 5 of the submerged ship liquid cargo quick recovery valve, the butt joint quick connector is always carried along the direction of an arc line to be guided into the submerged ship liquid cargo quick recovery valve, the butt joint quick connector can be successfully butted with the submerged ship liquid cargo quick recovery valve in all directions under the action of the guide mechanism 5, and the change of the direction of the butt joint quick connector does not need to be noticed in the process;
secondly, after the butt joint quick connector is successfully butted with the sunken ship liquid cargo quick recovery valve under the assistance of the underwater mechanical arm, the valve clack 2 of the sunken ship liquid cargo quick recovery valve and the telescopic top pipe 12 of the butt joint quick connector are respectively jacked open under the mutual acting force of the valve clack and the telescopic top pipe, and the sunken ship liquid cargo quick recovery valve and the butt joint quick connector form a whole to form a closed channel; at the moment, the sunken ship liquid cargo quick recovery valve and the return spring of the butt joint quick joint are both in a compressed state, the balls 4 in the protective shell 8 in the positioning and clamping mechanism are always kept in the ball positioning grooves of the retainer 3 under the return action of the self clamping spring 7, and the balls 4 distributed at a certain angle are clamped in a circle of grooves of the butt joint quick joint, so that clamping is formed; when the butt joint quick connector is used for quickly recovering sunken ship liquid cargos, the butt joint quick connector cannot be separated randomly in the transverse direction;
after the butt joint is successful, the liquid cargo is conveyed from a left straight pipeline of the sunken ship liquid cargo quick recovery valve and flows through a valve clack 2, the valve clack is cylindrical, the liquid cargo flows to a central cylindrical axis through three first notches of the valve clack 2 and also flows into a telescopic top pipe 12 of a butt joint quick connector, the telescopic top pipe 12 is similar to the valve clack 2 and is also cylindrical, the liquid cargo flows into the telescopic top pipe 12 and enters the interior of the butt joint quick connector along three second notches of the telescopic top pipe 12, the liquid cargo is guided into a spring support plate 15 from the interior of the butt joint quick connector, the liquid cargo flows into a hose connected with the butt joint quick connector from the interior of the butt joint quick connector through the three arc notches of the spring support plate 15, and finally the liquid cargo is recovered to a ship;
step four, when an unknown dangerous situation is met in the process of the liquid cargo quick recovery operation, the butt joint quick connector is automatically separated from the sunken ship liquid cargo quick recovery valve main body by means of an underwater mechanical arm; the two parts quickly form secondary sealing under the action of the self-reset spring, so that liquid cargo is prevented from leaking again, and secondary pollution to the ocean environment is formed;
after the liquid cargo quick recovery operation is finished, the butt joint quick connector is separated from the sunken ship liquid cargo quick recovery valve under the assistance of the underwater mechanical arm, a valve clack 2 of the sunken ship liquid cargo quick recovery valve quickly forms sealing under the action of a first return spring 10, and the butt joint quick connector also quickly forms sealing in a second return spring 14 in a telescopic top pipe 12 and liquid cargo in the pipeline; clamping spring 7 in the positioning and clamping mechanism is subjected to transverse acting force in the process that an underwater mechanical arm carries a butt joint quick joint to be separated, clamping spring 7 is compressed, ball 4 moves upwards along the wall surface of the ball positioning groove in retainer 3 until the groove in the butt joint quick joint is separated from the binding force of ball 4, and ball 4 falls into the groove again along the ball positioning groove in retainer 3 under the reset action of clamping spring 7 in protective shell 8.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a quick recovery unit of sunken ship liquid goods which characterized in that includes: the separation device consists of a sunken ship liquid cargo quick recovery valve and a butt joint quick connector, the sunken ship liquid cargo quick recovery valve is arranged at a corresponding liquid cargo tank position of a liquid cargo ship, two ends of the butt joint quick connector are respectively communicated with the sunken ship liquid cargo quick recovery valve and a rescue ship liquid cargo recovery pipeline, the butt joint quick connector is connected with an underwater mechanical arm, and the butt joint quick connector and the sunken ship liquid cargo quick recovery valve are quickly butted and separated through the underwater mechanical arm; when in butt joint, the liquid cargo tank and the rescue vessel liquid cargo recovery pipeline are communicated, so that the submerged vessel liquid cargo is quickly recovered;
the quick recovery valve of sunken ship liquid goods and the quick joint of butt joint are equipped with reset spring in respectively, and the quick joint of butt joint breaks away from the quick recovery valve of sunken ship liquid goods automatically fast under robotic arm's effect under water, and after breaking away from, the quick recovery valve of sunken ship liquid goods and the quick joint of butt joint are sealed under self reset spring's effect, independently form, reduce the pollution danger and the pollution scope and the degree to marine environment that bring of the secondary leakage of the in-process of retrieving sunken ship liquid goods.
2. The device for rapidly recovering the sunken ship liquid cargo according to claim 1, wherein the sunken ship liquid cargo rapid recovery valve comprises a valve body (1), a retainer (3) connected with the outer side of the valve body (1), a positioning and clamping mechanism arranged on the retainer (3) and a guide mechanism (5) arranged at the end part of the retainer (3), wherein the guide mechanism (5) provides a precise guiding function for the rapid and accurate introduction of the butt joint quick connector, and the positioning and clamping mechanism is used for clamping the introduced butt joint quick connector;
a first cavity is formed in the valve body (1), a second cavity is formed in the retainer (3), the first cavity is communicated with the second cavity, and the butt joint quick connector is led into the second cavity; a valve end cover (11) is installed on the upper portion of the valve body (1), the valve end cover (11) is fixedly connected with a first return spring (10) located in the first cavity, and the first return spring (10) has a return function; a valve clack (2) is arranged at the position where the valve body (1) is communicated with the retainer (3), the body of the valve clack (2) is positioned in the second chamber, a first reset spring (10) is connected with the valve clack (2), the valve clack (2) is in contact connection with the end part of the guided butt joint quick connector, and the valve clack (2) moves in the second chamber and the first chamber in a reciprocating manner under the butt joint pushing or contact breaking of the butt joint quick connector and the action of the first reset spring (10); in the initial state, the first return spring (10) is in a compressed state;
the valve clack (2) is in a cylindrical shape, and three first notches are formed in the cylindrical surface of the valve clack and used for circulation of liquid goods.
3. The submerged ship liquid cargo quick recovery device according to claim 2, characterized in that the positioning and clamping mechanism is composed of a plurality of balls (4), a loop (6) with a certain inclination angle, a clamping spring (7) with a reset function and a protective shell sleeve (8), the protective shell sleeve (8) is sleeved on the outer wall of the retainer (3), the loop (6) and the clamping spring (7) are arranged in a sealed cavity formed between the protective shell sleeve (8) and the retainer (3), one end of the clamping spring (7) is fixed on the inner wall of the protective shell sleeve (8), the other end of the clamping spring is fixedly connected with one side of the loop (6), the other side of the loop (6) is of an inclined plane structure, the inclined plane structure is provided with the plurality of balls (4) in the circumferential direction, and the balls (4) penetrate into the retainer (3); in the initial state, the clamping spring (7) is in a compressed state; in a normal state, the sealing surface of the protective shell sleeve (8) is attached to the sealing surface of the retainer (3) to form a first sealing structure, so that seawater cannot permeate into the closed cavity.
4. The submerged ship liquid cargo quick recovery device according to claim 2, characterized in that when the sealing surface of the valve clack (2) is contacted with the sealing surface of the valve body (1), a second sealing structure is formed, and the liquid cargo inside the valve and seawater outside the valve are effectively isolated; the end part of the valve clack (2) connected with the first return spring (10) is arranged in the first cavity, the end part is provided with an extension edge, the extension edge is in contact with the inner wall of the valve body (1), and the valve clack (2) is sealed while the movement is limited;
an O-shaped sealing ring groove (9) is formed in the position, close to the valve clack (2), of the inner wall of the left side of the retainer (3), and a plurality of O-shaped sealing rings are installed in the O-shaped sealing ring groove (9), so that sealing is more complete.
5. The device for rapidly recovering the sunken ship liquid cargo according to claim 2, wherein the guide mechanism (5) is of a bell-mouth-shaped structure, a section of circular arc is arranged at the joint of the guide mechanism and the retainer (3) to ensure the accurate guide of the butt joint quick connector, and the butt joint quick connector is gradually guided when the butt joint quick connector is close to the sunken ship liquid cargo rapid recovery valve; the valve clack (2) of the submerged ship liquid cargo quick recovery valve realizes reset sealing by means of a first reset spring (10), the first reset spring (10) is placed into a guide cylinder of a valve end cover (11), and the guide cylinder plays a role in spring movement guiding.
6. The submerged ship liquid cargo quick recovery device according to claim 2, characterized in that the butt joint quick joint comprises a joint body (13), a telescopic top pipe (12) with a reciprocating movement function, a second return spring (14) with a return function and a spring support plate (15), a third chamber is arranged inside the joint body (13), the spring support plate (15) is fixed on the inner wall of the joint body (13) and is positioned in the third chamber, one end of the second return spring (14) is fixed in a guide cylinder of the spring support plate (15), the guide cylinder plays a role of guiding the movement of the spring, the other end of the second return spring (14) is fixedly connected with one end of the telescopic top pipe (12), the other end of the telescopic top pipe (12) extends out of the joint body (13), and when the butt joint quick joint is guided into the submerged ship liquid cargo quick recovery valve, the other end of the telescopic top pipe (12) is contacted with the valve clack (2), the liquid goods in the sunken ship liquid cargo quick recovery valve flow into the butt joint quick connector, and the liquid goods in the sunken ship liquid cargo hold are gradually led out;
the telescopic jacking pipe (12) is cylindrical, and three second notches are formed in the cylindrical surface of the telescopic jacking pipe; three arc notches are arranged on the spring supporting plate (15).
7. The device for rapidly recovering the submerged cargo according to claim 6, wherein a circumferential slope wall surface is arranged on the inner wall of the joint body (13), a circumferential bulge is arranged on the outer wall of the telescopic top pipe (12), and the contact connection between the circumferential bulge and the circumferential slope wall surface limits the movement of the telescopic top pipe (12) and simultaneously seals the movement to form a third sealing structure.
8. The device for rapidly recycling submerged ship liquid cargo according to claim 6 or 7, characterized in that the outer wall of the joint body (13) is provided with a circumferential groove which is in fit connection with a positioning and clamping mechanism, and after the butted quick joint is led into the submerged ship liquid cargo rapid recycling valve, a ball (4) of the positioning and clamping mechanism is clamped in the groove to realize positioning and clamping of the butted quick joint; when the liquid cargo recovery operation is finished, the tension of the underwater mechanical arm overcomes the clamping force of the clamping spring (7) and the clamping force of the ball (4), and the butt joint quick joint is taken out.
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| CN202121512960.8U CN215367150U (en) | 2021-07-05 | 2021-07-05 | Shipwreck liquid cargo rapid recovery device |
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| CN202121512960.8U CN215367150U (en) | 2021-07-05 | 2021-07-05 | Shipwreck liquid cargo rapid recovery device |
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| CN113356160A (en) * | 2021-07-05 | 2021-09-07 | 大连海事大学 | Device and method for quickly recovering submerged ship liquid cargo |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113356160A (en) * | 2021-07-05 | 2021-09-07 | 大连海事大学 | Device and method for quickly recovering submerged ship liquid cargo |
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