CN113184118A - Marine retraction device of underwater explosion test equipment and retraction method thereof - Google Patents
Marine retraction device of underwater explosion test equipment and retraction method thereof Download PDFInfo
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- CN113184118A CN113184118A CN202110623814.0A CN202110623814A CN113184118A CN 113184118 A CN113184118 A CN 113184118A CN 202110623814 A CN202110623814 A CN 202110623814A CN 113184118 A CN113184118 A CN 113184118A
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- 238000012360 testing method Methods 0.000 title claims abstract description 142
- 238000004880 explosion Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000005484 gravity Effects 0.000 claims description 8
- 230000032258 transport Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 29
- 239000002360 explosive Substances 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 abstract 1
- 238000007667 floating Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/08—Arrangement of ship-based loading or unloading equipment for cargo or passengers of winches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
- B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
- B63B1/12—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly
- B63B1/121—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly comprising two hulls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B3/00—Hulls characterised by their structure or component parts
- B63B3/14—Hull parts
- B63B3/48—Decks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/28—Barges or lighters
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
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Abstract
The invention discloses an offshore deploying and retracting device and an offshore deploying and retracting method for underwater explosion test equipment, which relate to the field of underwater explosive deploying and retracting equipment and comprise the following steps: the test device comprises a catamaran and a hoisting unit, wherein a cavity between hulls of the catamaran is a hoisting area of the test device, the test device is arranged in the middle of the hoisting area, the hoisting unit is arranged on the catamaran, and the hoisting unit is connected with the test device and controls the test device to perform vertical retracting movement; the catamaran is used for deploying and retracting the test equipment, when the test equipment explodes underwater, the catamaran cannot turn over due to the generated impact water column and turbulence of water flow, and when the catamaran inclines laterally, the test equipment exerts a pulling force on the catamaran in the middle of the catamaran, so that the catamaran can be quickly aligned due to the pulling force, the stability of the catamaran in the test process is greatly improved, and the catamaran has the advantages of simple structure and low cost.
Description
Technical Field
The invention relates to the field of underwater explosive collecting and releasing equipment, in particular to an offshore collecting and releasing device and a collecting and releasing method for underwater explosive test equipment.
Background
The traditional underwater test equipment deploying and retracting method generally loads underwater equipment on a water working ship, transports the underwater equipment to a designated test area, and distributes the underwater equipment into water and recovers the underwater equipment to the working ship by utilizing shipborne hoisting equipment such as an A-shaped frame, a crane and the like. Aiming at large-scale underwater explosion test objects of hundred-ton and thousand-ton, the underwater explosion test objects have wide influence range and large shock waves, are easy to damage water surface retraction working ships, need special marine transportation retraction devices, and lack of a set of operation processes of transportation, lifting, lowering and recovery of large-scale test equipment by using special devices and methods for marine retraction of large-scale underwater explosion test equipment.
In the prior art, the bearing capacity of a working ship, the stability of a ship body during a test and the lifting capacity of a lifting device are all deficient during a large-scale underwater explosion test, for example, the invention patent with the application number of '202010995091.2' and the name of 'large-scale water area underwater explosion damage test system and method' discloses a large-scale water area underwater explosion damage test system and method, in the system, a floating body is positioned at a designated initiation point of a water area, the floating body is prevented from moving and rotating by an anchoring buoy, the floating body is connected with a target through a hoisting steel cable and a bearing steel cable which are used for fixing the relative positions of the target and the floating body, a test explosion source is arranged in the target, an initiation system arranged on the bank is connected with a limiting detonating cord on the floating body through a reinforced detonating tube and is used for detonating the test explosion source, but in the actual explosion test process, due to the impact water column and turbulence phenomenon generated by explosion, the floating body can swing and incline greatly, the phenomenon of side turning is easy to occur, and the stability is low.
Therefore, an offshore retractable device for underwater explosion test equipment, which is simple in structure, high in stability and low in cost, is urgently needed.
Disclosure of Invention
The invention aims to provide an offshore deploying and retracting device of underwater explosion test equipment and a deploying and retracting method thereof, which are used for solving the problems in the prior art and have the advantages of simple structure, high stability and low cost.
In order to achieve the purpose, the invention provides the following scheme: the invention provides an offshore retraction device for underwater explosion test equipment, which comprises a catamaran and a hoisting unit, wherein a cavity between hulls of the catamaran is a hoisting area of the test equipment, the test equipment is arranged in the middle of the hoisting area, the hoisting unit is arranged on the catamaran, and the hoisting unit is connected with the test equipment and controls the test equipment to perform vertical retraction movement.
Preferably, the double-hull comprises two separated underwater hulls and a connecting bridge for connecting the two underwater hulls, the hoisting unit is arranged on the connecting bridge, the hoisting end of the hoisting unit is connected with the test equipment through a chain, and the gravity center of the hoisting unit and the central point of the connecting bridge are positioned on the same vertical line.
Preferably, the connecting bridge comprises a plurality of deck struts and a main deck, the hoisting unit is arranged on the main deck, the deck struts are symmetrically arranged on the underwater ship body, one ends of the underwater ship body, far away from the deck struts, are connected with the main deck, and the deck struts are symmetrically arranged along a vertical line where the central point of the main deck is located.
Preferably, the main deck is in a frame type grid structure.
Preferably, a plurality of anchor machines uniformly distributed around the axis of the main deck are arranged on the main deck, and the anchor machines are connected with ship anchors through anchor chains.
Preferably, the bottom of the underwater ship body is of a circular arc structure, and the axis of the circular arc structure is the same as the direction of the underwater ship body.
Preferably, the hoisting unit comprises at least one set of hoisting equipment, the number of the hoisting equipment in each set is at least one, and the hoisting equipment is a hoisting winch.
Preferably, one end of the chain, which is far away from the hoisting unit, is provided with a lifting hook, and the test equipment is provided with a lifting lug which is matched with the lifting hook for use.
Preferably, the test device further comprises a transportation barge for transporting the test device, a placing groove for placing the test device is arranged on the transportation barge, and the transportation barge conveys the test device to the middle of the hoisting area.
The invention also provides a deploying and retracting method of the marine deploying and retracting device of the underwater explosion test equipment, which comprises the following steps:
s1: the catamaran moves to a designated area, the position of the catamaran is fixed by lowering the anchor chain, and a worker loads the test equipment onto a transport barge at a wharf;
s2: carrying the test equipment by the transportation barge to move to a hoisting area below the main deck, connecting a lifting hook on the chain with a lifting lug on the test equipment, and hoisting the test equipment to a certain height by the working of a hoisting winch after the connection is finished;
s3: the transportation barge is driven away from the hoisting area, the hoisting winch works to lower the test equipment to the test area with the set depth, and the test equipment carries out explosion test;
s4: after the explosion test is finished, hoisting equipment is hoisted by the working of a hoisting winch, the transportation barge moves to a hoisting area, the test equipment is placed in a placing groove of the transportation barge by the hoisting winch, and a lifting hook and a lifting lug are separated;
s5: and the transportation barge carries the test equipment after the explosion is completed to move to the wharf, and the worker takes down the test equipment and analyzes the explosion through the test equipment.
Compared with the prior art, the invention has the following technical effects:
1. the catamaran is used as a working ship, the catamaran has larger lifting in the stability aspect than a conventional ship, the hoisting unit arranged on the catamaran is used for completing the retraction and extension of the test equipment in the hoisting area between the hulls of the catamaran, the test equipment is positioned in the middle of the hoisting area and is retracted and extended in the vertical direction by the hoisting unit, when the test equipment is exploded to cause turbulence and an impact water column appearing on the sea surface impacts the catamaran, the catamaran can incline to a certain degree, and in the inclined state, because the middle of the catamaran is provided with a pulling force from the test equipment, the pulling force can provide a component force in the reversing direction no matter which side of the catamaran inclines, the catamaran can quickly return to the right direction, and the stability of the catamaran is greatly improved.
2. The gravity center of the hoisting unit and the central point of the connecting bridge are positioned on the same vertical line, so that the gravity of the hoisting unit is dispersed around the center of the connecting bridge, and the problem that the ship body is inclined to a certain extent in a natural state due to the fact that the gravity center of the hoisting unit deviates from the central point of the connecting bridge is solved.
3. The connecting bridge comprises a plurality of deck struts and a main deck, certain gaps can be formed among the deck struts, the main deck is of a frame type grid structure, when waves and impact water columns caused by a turbulent phenomenon generated by explosion pass through the catamaran, most of water flow can pass through the gaps among the deck struts and gaps among grids on the main deck, the impact effect of the water flow on a catamaran body is reduced, and the stability of the catamaran is improved.
4. According to the catamaran, the plurality of anchor machines uniformly distributed around the axis of the main deck are arranged on the main deck, the anchor machines are connected with the anchors through the anchor chains, and the stability of the catamaran is further improved through the fixing effect of the anchors.
5. According to the invention, the hull of the underwater hull is designed into the circular arc structure, and when the impact water flow impacts the bottom of the hull during explosion, the impact water flow is guided by the circular arc structure to be divided to two sides of the underwater hull, so that the direct impact force of the impact water flow on the bottom of the hull is reduced, and the stability of the double hulls is improved.
6. In the invention, the catamaran has good stability when the test equipment explodes, and the arrangement of the gaps between the deck struts and the gaps on the support plates ensures that the catamaran has stronger impact resistance, thereby greatly prolonging the service life of the device and being capable of being repeatedly used.
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 embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of a catamaran according to the present invention;
FIG. 2 is a schematic view of the construction of the transport barge of the present invention;
FIG. 3 is an elevation view of the transport barge transporting test equipment to a lifting area according to the present invention;
FIG. 4 is a schematic view of the transport barge according to the present invention transporting test equipment to a lifting area;
FIG. 5 is a schematic view of the construction of the lifting apparatus of the present invention in connection with test equipment before and after an explosion;
FIG. 6 is a schematic view of the crane of the present invention lowering the test rig to a desired position;
FIG. 7 is a schematic view of the transport barge in accordance with the present invention in a position ready to leave the loading area for transporting test equipment after completion of a loaded explosion;
wherein, 1, a catamaran; 2. an underwater hull; 3. a deck support; 4. a main deck; 5. a lifting apparatus; 6. an anchor machine; 7. test equipment; 8. a transportation barge; 9. a placement groove; 10. a chain; 11. and (4) anchoring the ship.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The invention aims to provide an offshore deploying and retracting device of underwater explosion test equipment and a deploying and retracting method thereof, which are used for solving the problems in the prior art and have the advantages of simple structure, high stability and low cost.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1 to 3, an offshore retraction device for underwater explosion test equipment is provided, which comprises a catamaran 1 and a hoisting unit, wherein a cavity between hulls of the catamaran is a hoisting area for the test equipment 7, the test equipment 7 is arranged in the middle of the hoisting area, the test equipment 7 can be detachably connected to the middle of the hoisting area in advance under the condition of only one test, the connection is disconnected during the test, or an external transportation mode is adopted, the test equipment 7 is transported to the middle of the hoisting area after the catamaran 1 reaches a designated position, the equipment used in the first test can be detachably connected to the middle of the hoisting area under the condition of multiple tests, the other tests all adopt the external transportation mode, or all adopt the external transportation mode, the hoisting unit is fixedly or detachably arranged on the catamaran 1, and the hoisting unit controls the test equipment 7 to perform vertical retraction movement in the middle of the catamaran 1, the hoisting unit is connected with the test equipment 7, the connectors can adopt chains 10, cables or telescopic rods and the like, when the test equipment 7 explodes to cause turbulence and an impact water column appearing on the sea surface impacts the catamaran 1, the catamaran 1 can incline to a certain degree, and in the inclined state, because the middle part of the catamaran 1 is provided with a pulling force from the test equipment 7, the pulling force can provide a component force for the catamaran 1 in the reversing direction no matter which side the catamaran 1 inclines, so that the catamaran 1 can be quickly corrected, and the stability of the catamaran 1 is greatly improved.
In order to ensure the quality of the connection and reduce the impact of the water flow on the connection object, the chain 10 is preferably used for connection.
The double-hull comprises two separated underwater hulls 2 and a connecting bridge for connecting the two underwater hulls 2, the hoisting unit is arranged on the underwater hulls 2 or the connecting bridge, the gravity center of the hoisting unit and the central point of the connecting bridge are positioned on the same vertical line, so that the hulls are in a balanced state when in a natural state, namely, when not being impacted by stormy waves, the inclination does not occur, and the probability of side turning when the catamaran 1 is impacted by water columns generated by explosion and the turbulence of seawater in the test process is reduced.
The connecting bridge comprises a plurality of deck struts 3 and a main deck 4, the hoisting unit is arranged on the deck struts 3 or the main deck 4, the deck struts 3 are symmetrically arranged on the two underwater hulls 2 to ensure the uniformity of the load bearing of the underwater hulls 2 on two sides, one ends of the deck struts 3 far away from the underwater hulls 2 are fixedly connected with the main deck 4, and the deck struts 3 are symmetrically arranged along a vertical line where the central point of the main deck 4 is located, so that the gravity center of the deck struts 3 and the central point of the main deck 4 are located on the same vertical line, the balance of the ship body in a natural state is ensured, gaps are formed between the adjacent deck struts 3, when waves and an impact water column caused by a turbulent phenomenon generated by explosion pass through the catamaran 1, most of water flows pass through gaps among the deck struts 3, so that the impact effect of the water flows on the catamaran body is reduced, and the stability of the catamaran 1 is improved.
The deck posts 3 may be square or cylindrical in shape, etc., and the main deck 4 may be circular, rectangular, etc.
Because waves and impact water columns caused by the turbulent phenomenon generated by explosion can impact the main deck 4 when passing through the catamaran 1, the main deck 4 is arranged into a frame type grid structure, so that impact water passes through gaps among grids, the impact effect of water flow on a hull is further reduced, and the stability of the catamaran 1 is improved.
In order to further improve the stability of the catamaran 1 during the explosion test, a plurality of anchors 6 are uniformly distributed on the main deck 4 around the axis of the main deck 4, the anchors 6 are connected with anchors 11 through anchor chains, the catamaran 1 is fixed through the anchors 11, the arrangement mode of the anchors 6 enables the gravity centers of all the anchors 6 and the central point of the main deck 4 to be located on the same vertical line, and the balance of the catamaran body in a natural state is guaranteed.
Because a large amount of water flow can impact the ship bottom from the lower part during explosion, in order to reduce the direct impact force of the impact water flow on the ship bottom, the ship bottom of the underwater ship body 2 is of an arc-shaped structure, when the impact water flow impacts the ship bottom during explosion, the impact water flow is guided by the arc-shaped structure to be divided to two sides of the underwater ship body 2, the axis of the arc-shaped structure is the same as or different from the orientation of the underwater ship body 2, and in order to ensure that the catamaran 1 has good driving capability, the catamaran can drive to a specified blasting area, preferably, the axis of the arc-shaped structure is the same as the orientation of the underwater ship body 2.
The hoisting unit comprises at least one set of hoisting apparatus 5, the number of hoisting apparatus 5 in each set is at least one, and when one set of hoisting apparatus 5 is provided and the number of hoisting apparatus 5 in each set is one, the hoisting end of the hoisting apparatus 5 is arranged directly above the test device 7; when a set of lifting instruments 5 is provided and the number of the set of lifting instruments 5 is several, the central points of the lifting ends of the several lifting instruments 5 are located right above the test equipment 7; when a plurality of sets of lifting instruments 5 are provided and the number of the sets of lifting instruments 5 is one or a plurality of sets, the center points of the lifting ends of the plurality of lifting instruments 5 are positioned right above the test equipment 7; the number of lifting means 5 can be selected according to the weight of the test device 7.
The hoisting apparatus 5 is a hoisting winch, a lifter, etc.
The connection mode of chain 10 and test equipment 7 can be lifting hook and lug complex mode, and for example the one end that hoisting unit was kept away from to chain 10 is provided with the lifting hook, is provided with the lifting lug that uses with the lifting hook cooperation on the test equipment 7, and the quantity of lifting lug and the quantity phase-match of lifting hook perhaps adopt other connection modes such as high temperature resistant magnetism to inhale.
When the test equipment 7 is arranged in an external transportation mode, a transportation barge 8 used for transporting the test equipment 7 is arranged, a placing groove 9 used for placing the test equipment 7 is arranged on the transportation barge 8, and the test equipment 7 is conveyed to the middle of a hoisting area by the transportation barge 8.
The main deck 4 is provided with a storage bin for storing chains 10 and anchor chains.
Referring to fig. 4 to 7, the invention further provides a deploying and retracting method of the marine deploying and retracting device of the underwater explosion test equipment, which includes the following steps:
s1: manually driving or controlling the catamaran 1 to move to a designated area by using a satellite, fixing the position of the catamaran by lowering an anchor chain, and loading the test equipment 7 onto a placing groove 9 of a transportation barge 8 by a worker at a wharf;
s2: manually driving or using a satellite to control the transportation barge 8 to carry the test equipment 7 to move to a hoisting area below the main deck 4, connecting a lifting hook on a chain 10 with a lifting lug on the test equipment 7 in a manual or system control mode, and after the connection is finished, hoisting the test equipment 7 by a certain height by using a hoisting winch, wherein the hoisting height is required to ensure that the minimum distance between the test equipment 7 and the sea level is greater than the maximum distance between the upper surface of the transportation barge 8 and the sea level;
s3: manually driving or using a satellite to control the transportation barge 8 to drive away from the hoisting area, calculating the driving distance of the transportation barge 8 in advance, reducing the influence on the transportation barge 8 when the test equipment 7 explodes as much as possible, then lowering the test equipment 7 to a test area with a specified depth by the operation of a hoisting winch, starting an explosion program of the test equipment 7 or detonating the test equipment 7 through a detonating cord, and carrying out an explosion test on the test equipment 7;
s4: after the explosion test is finished, the hoisting winch works to hoist the test equipment 7, the transportation barge 8 is controlled by a manual driver or a satellite to move to a hoisting area, the hoisting winch places the test equipment 7 in the placing groove 9 of the transportation barge 8, and the lifting hook and the lifting lug are separated manually or in a system control mode;
s5: and manually driving or using a satellite to control the transportation barge 8 to carry the test equipment 7 after the explosion is finished to move to the wharf, taking down the test equipment 7 by a worker, and analyzing the explosion through the test equipment 7.
The adaptation according to the actual needs is within the scope of the invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. The marine retraction device for the underwater explosion test equipment is characterized by comprising a catamaran and a hoisting unit, wherein a cavity between hulls of the catamaran is a hoisting area of the test equipment, the test equipment is arranged in the middle of the hoisting area, the hoisting unit is arranged on the catamaran, and the hoisting unit is connected with the test equipment and controls the test equipment to perform vertical retraction movement.
2. The marine retraction device for underwater explosion test equipment according to claim 1, wherein the double hull comprises two separate underwater hulls and a connecting bridge connecting the two underwater hulls, the hoisting unit is arranged on the connecting bridge, the hoisting end of the hoisting unit is connected with the test equipment through a chain, and the center of gravity of the hoisting unit and the center point of the connecting bridge are positioned on the same vertical line.
3. The underwater explosion test equipment offshore deploying and retracting device of claim 2, wherein the connecting bridge comprises a plurality of deck struts and a main deck, the hoisting unit is arranged on the main deck, a plurality of deck struts are symmetrically arranged on two underwater hulls, one ends of the deck struts, far away from the underwater hulls, are connected with the main deck, and the deck struts are symmetrically arranged along a vertical line where a central point of the main deck is located.
4. The offshore deploying and retracting device for underwater explosion testing equipment according to claim 3, wherein the main deck is of a frame type grid structure.
5. The marine retraction device for underwater explosion testing equipment according to claim 4, wherein a plurality of anchors are arranged on the main deck and evenly distributed around the axis of the main deck, and the anchors are connected with ship anchors through anchor chains.
6. The underwater explosion test equipment offshore retraction device according to claims 2 to 5, wherein the bottom of the underwater hull is of a circular arc structure, and the axis of the circular arc structure is in the same direction as the underwater hull.
7. The offshore retraction device for underwater explosion testing equipment according to claim 6, wherein said hoisting unit comprises at least one set of hoisting equipment, the number of said hoisting equipment in each set is at least one, and said hoisting equipment is a hoisting winch.
8. The offshore retracting device for the underwater explosion test equipment according to claim 7, wherein a lifting hook is arranged at one end of the chain, which is far away from the hoisting unit, and a lifting lug matched with the lifting hook is arranged on the test equipment.
9. The marine retraction device for underwater explosion test equipment according to claim 1, further comprising a transportation barge for transporting the test equipment, wherein a placing slot for placing the test equipment is arranged on the transportation barge, and the transportation barge transports the test equipment to the middle of the hoisting area.
10. A method for deploying and retracting an offshore deploying and retracting device of underwater explosion test equipment is characterized by comprising the following steps:
s1: the catamaran moves to a designated area, the position of the catamaran is fixed by lowering the anchor chain, and a worker loads the test equipment onto a transport barge at a wharf;
s2: carrying the test equipment by the transportation barge to move to a hoisting area below the main deck, connecting a lifting hook on the chain with a lifting lug on the test equipment, and hoisting the test equipment to a certain height by the working of a hoisting winch after the connection is finished;
s3: the transportation barge is driven away from the hoisting area, the hoisting winch works to lower the test equipment to the test area with the set depth, and the test equipment carries out explosion test;
s4: after the explosion test is finished, hoisting equipment is hoisted by the working of a hoisting winch, the transportation barge moves to a hoisting area, the test equipment is placed in a placing groove of the transportation barge by the hoisting winch, and a lifting hook and a lifting lug are separated;
s5: and the transportation barge carries the test equipment after the explosion is completed to move to the wharf, and the worker takes down the test equipment and analyzes the explosion through the test equipment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110623814.0A CN113184118B (en) | 2021-06-04 | 2021-06-04 | Marine retraction device and retraction method for underwater explosion test equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110623814.0A CN113184118B (en) | 2021-06-04 | 2021-06-04 | Marine retraction device and retraction method for underwater explosion test equipment |
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| CN113184118A true CN113184118A (en) | 2021-07-30 |
| CN113184118B CN113184118B (en) | 2024-05-31 |
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| CN112161530A (en) * | 2020-09-21 | 2021-01-01 | 北京理工大学 | Large-water-area underwater explosion damage test system and method |
| CN112395722A (en) * | 2019-08-15 | 2021-02-23 | 武汉理工大学 | Method for acquiring motion response of hull beam under action of underwater explosion and wave load |
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