CN110816786B - Swift formula bails thunder instrument - Google Patents
Swift formula bails thunder instrument Download PDFInfo
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- CN110816786B CN110816786B CN201911109554.4A CN201911109554A CN110816786B CN 110816786 B CN110816786 B CN 110816786B CN 201911109554 A CN201911109554 A CN 201911109554A CN 110816786 B CN110816786 B CN 110816786B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C7/00—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects
- B63C7/16—Apparatus engaging vessels or objects
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Abstract
The invention relates to a quick mine fishing tool, belonging to the technical field of recovery of aircrafts such as mine operation and the like; the mine fishing device comprises a mine sleeving mechanism, a mine sleeving rope assembly, a long rod and a mine fishing handle; the end head of one end of the long rod is fixedly provided with the mine sheathing mechanism, and the other end of the long rod is provided with the mine fishing handle; the rope sleeving component is arranged on the mine sleeving mechanism and is detachably connected with the mine sleeving mechanism; the lightning sleeving mechanism comprises an upper half ring, a lower half ring and a connecting rod mechanism; the upper half ring and the lower half ring are combined to form a complete circular ring structure, the upper half ring and the lower half ring are fixed at one end of the long rod through the connecting rod mechanism and serve as a lantern ring of the torpedo fishing tool, and the opening/closing state of the upper half ring and the lower half ring is controlled through the connecting rod mechanism, so that the torpedo can be grabbed and clamped. The invention is designed under the condition of meeting the requirement of light weight and realizing remote automatic mine penetration operation.
Description
Technical Field
The invention belongs to the technical field of recovery of aircrafts such as mine operation and the like, and particularly relates to a quick mine fishing tool.
Background
When the torpedo is used for carrying out scientific research test and troop performance of torpedo, the task of recycling the torpedo is very critical, the feasibility and the safety of recycling the torpedo determine whether the test and the performance can be carried out, the torpedo can be quickly recycled, much labor cost and time cost can be saved, and the torpedo fishing tool is very important in the process of recycling the torpedo. The existing mine fishing tool comprises: the fishing thunder tool (shown in attached figure 1) is formed by welding the long rod and the lantern ring, and the fishing thunder tool (shown in attached figure 2) is formed by welding the long rod and the semi-ring. The tools are simple in composition and limited in operable distance, are often matched with a diver to launch and bind a rope to carry out mine fishing operation, and are difficult to meet the requirements of safety, portability and quickness. When the mine operation is recovered, a safe distance between the mine operation and a mine fishing ship is ensured, so that a mine fishing tool needs to be used in a long distance, but the difficulty of operation is increased in the long distance; for negative buoyancy mine operation, a floating bag is arranged in the mine fishing tool, and the existing mine fishing tool is difficult to operate; the mine operation floats on the water surface in various postures, so that the mine sleeving difficulty is greatly increased, and the recycling of the mine operation consumes long time; during offshore tests or operations, sea conditions are complex, and the fishing operation in the water also causes many unsafe factors. The same problem also exists when aircraft such as UUV, AUV etc. are retrieved, in order to avoid the drawback of present salvage operation, must design a novel fishing tool.
The invention is provided based on the requirements of safe, portable and fast mine fishing tools.
Disclosure of Invention
The technical problem to be solved is as follows:
in order to avoid the defects of the prior art, the invention provides a quick mine fishing tool, and the mechanical grab clamp formed by an upper half ring and a lower half ring is matched with a sleeving rope, so that the problems of short operation distance, inconvenient remote operation and high mine sleeving difficulty of the conventional mine fishing tool are solved.
The technical scheme of the invention is as follows: the utility model provides a swift formula bailing thunder instrument which characterized in that: the mine fishing device comprises a mine sleeving mechanism, a mine sleeving rope assembly, a long rod and a mine fishing handle; the end head of one end of the long rod is fixedly provided with the mine sheathing mechanism, and the other end of the long rod is provided with the mine fishing handle; the rope sleeving component is arranged on the mine sleeving mechanism and is detachably connected with the mine sleeving mechanism;
the lightning sleeving mechanism comprises an upper half ring, a lower half ring and a connecting rod mechanism; the upper half ring and the lower half ring are combined to form a circular ring structure, the circular ring structure is fixed at one end of the long rod through the connecting rod mechanism and is used as a lantern ring of the torpedo fishing tool, and the opening/closing state of the upper half ring and the lower half ring is controlled through the connecting rod mechanism, so that the torpedo can be grabbed and clamped;
the loop rope assembly comprises a loop rope, a loop rope pull rope, a first magnet and a second magnet; the sleeve rope is attached to the inner ring surfaces of the upper half ring and the lower half ring, one end of the sleeve rope is fixed to the end head of the upper half ring, and the other end of the sleeve rope is fixed to the second magnet and is connected with the end head of the lower half ring through the second magnet; one end of the rope sleeving pull rope is fixed on the first magnet and is connected with the outer side of the end head of the upper half ring through the first magnet, and the other end of the rope sleeving pull rope is a free end and extends to the mine fishing handle; the magnetic poles of the first magnet and the second magnet are opposite, and the upper half ring and the lower half ring are opposite when being closed and are combined into a whole through magnetic force; by pulling the rope pulling rope, the first magnet and the second magnet integrally move along the direction of the rope pulling rope, and simultaneously the other end of the rope pulling rope is driven to move along with the second magnet, so that the inner diameter of the rope pulling rope is reduced to be separated from the inner peripheral surfaces of the upper half ring and the lower half ring, and the mine body to be recovered is tightly sleeved.
The further technical scheme of the invention is as follows: the connecting rod mechanism comprises a fixed rod, a movable rod, a connecting rod pull rope, a spring and a spring seat; the spring seat is of a sleeve structure, an annular boss is arranged on the inner peripheral surface of one end of the spring seat, the spring seat is coaxially sleeved at one end of the long rod, and one end of the annular boss faces the mine fishing handle; the spring is a cylindrical compression spring, is coaxially arranged in the spring seat and sleeved on the peripheral surface of the long rod, and limits the axial displacement of one end of the spring through the annular boss;
one end of the movable rod is a sleeve which is coaxially sleeved between the long rod and the spring seat and is in contact with the other side of the spring; the other end of the movable rod is a connecting rod, and the axial direction of the connecting rod is perpendicular to the axial direction of the sleeve and is symmetrical with the central axis of the sleeve; sliding grooves are formed in the two ends of the connecting rod along the length direction, and sliding block structures are arranged at the tail ends of the upper half ring and the lower half ring and are respectively matched with the two sliding grooves, so that the tail ends of the upper half ring and the lower half ring slide along the length direction of the connecting rod; the fixed rod is arranged in parallel to the connecting rod, and two ends of the fixed rod are respectively hinged with the positions, close to the sliding block, of the upper half ring and the lower half ring, so that the upper half ring and the lower half ring can respectively rotate around hinged points;
the inner circumferential surface of the sleeve of the movable rod is provided with a bulge; one end of the connecting rod pull rope is fixed on the protrusion, and the other end of the connecting rod pull rope penetrates through the long rod and extends to the torpedo fishing handle; the movable rod is driven to move axially under the action of the connecting rod pull rope and the spring, the upper half ring and the lower half ring are further driven to rotate around the hinged parts at the two ends of the fixed rod respectively, and the opening/closing state of the upper half ring and the lower half ring is realized.
The further technical scheme of the invention is as follows: and the end head of the upper half ring is coaxially provided with a rope sleeving ring for limiting the position of the rope sleeving.
The further technical scheme of the invention is as follows: the part of the loop rope stay cord close to the upper half ring is connected to the outer peripheral surface of the upper half ring through a plurality of buckles.
The further technical scheme of the invention is as follows: the long rod is made of high-strength carbon fiber material and has the density of 1.4-1.6 g/cm3。
The further technical scheme of the invention is as follows: the long rod is of a telescopic rod structure.
An operation method of a quick mine fishing tool is characterized by comprising the following specific steps:
the method comprises the following steps: the handheld mine fishing tool is close to the mine body, and the mine sleeving mechanism is opened;
step two: pulling a connecting rod pull rope at one end of the torpedo fishing handle, and closing the upper half ring and the lower half ring through the connecting rod mechanism, so that the torpedo to be recovered is sleeved in a lantern ring formed by the upper half ring and the lower half ring;
step three: pulling the free end of the loop rope pulling rope, and simultaneously driving the other end of the loop rope to move along with the loop rope pulling rope, so that the inner diameter of the loop rope is reduced, and tightly sleeving the to-be-recovered detonator body;
step four: the mine body to be recovered is pulled back to the mine dredger through a loop rope pull rope; after the mine body is tightly sleeved by the rope, mechanical parts of the mine fishing tool are separated from the mine body, and the mine operation is recovered through the rope.
Advantageous effects
The invention has the beneficial effects that: the novel thunder mechanism of dragging for of this scheme design can realize long-range automatic cover thunder operation under the condition design and form when needing to satisfy the quality light. For satisfying remote operation, greatly probably reduce the instrument quality, small and exquisite set thunder mechanism has been designed, ingenious application link structure and spring, and the design is taken magnet sleeve rope, realize the function of long-range set thunder operation, solved the unable automatic long-range problem of tightly covering and retrieving the thunder body of present fishing thunder instrument, avoided the artifical potential safety hazard problem of launching the set thunder body, realized neotype safety, portable, swiftly design of fishing thunder mechanism, solved the big difficult problem of the present fishing thunder instrument operation degree of difficulty.
Drawings
Fig. 1 is a schematic view of a conventional mine fishing tool 1;
fig. 2 is a schematic view of a conventional mine fishing tool 2;
FIG. 3 is a schematic view of a state I of a mine fishing tool according to an embodiment of the present invention;
FIG. 4 is a schematic view of a state II of a mine fishing tool according to an embodiment of the present invention;
FIG. 5 is a schematic view of a linkage mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a mine fishing tool according to an embodiment of the present invention;
FIG. 7 is a force diagram of a hand-held mine fishing tool according to an embodiment of the present invention;
description of reference numerals: 1. the mine fishing device comprises a mine sleeving mechanism, 2, a mine sleeving rope, 3, a mine sleeving rope, 4, a long rod, 5, a connecting rod rope, 6, a mine fishing handle, 7, a second magnet, 8, a first magnet, 9, a mine sleeving ring, 10, a rope buckle, 11, an upper half ring, 12, a lower half ring, 13, a movable rod, 14, a fixed rod, 15, a spring, 16 and a spring seat.
Detailed Description
The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Referring to fig. 3, the rapid mine fishing tool comprises a mine sleeving mechanism 1, a rope sleeving assembly, a long rod 4 and a mine fishing handle 6; the end head of one end of the long rod 4 is fixedly provided with a mine covering mechanism, and the other end of the long rod is provided with a mine fishing handle 6; the rope sleeving component is arranged on the mine sleeving mechanism 1 and is detachably connected;
referring to fig. 4, the lightning sleeving mechanism 1 comprises an upper half ring 11, a lower half ring 12 and a connecting rod mechanism; the upper half ring 11 and the lower half ring 12 are combined to form a complete circular ring structure, the upper half ring 11 and the lower half ring 12 are fixed at one end of the long rod through the connecting rod mechanism and are used as a lantern ring of the torpedo fishing tool, and the opening/closing state of the upper half ring 11 and the lower half ring 12 is controlled through the connecting rod mechanism, so that torpedo grabbing and clamping are realized;
referring to fig. 5, the link mechanism includes a fixed lever 14, a movable lever 13, a link rope 5, a spring 15, and a spring seat 16; the spring seat 16 is of a sleeve structure, an annular boss is arranged on the inner peripheral surface of one end of the spring seat, the spring seat 16 is coaxially sleeved at one end of the long rod 4, and one end of the annular boss faces the mine fishing handle 6; the spring 15 is a cylindrical compression spring, is coaxially arranged in the spring seat 16 and is sleeved on the outer peripheral surface of the long rod 4, and the axial displacement of one end of the spring is limited by the annular boss; one end of the movable rod 13 is a sleeve which is coaxially sleeved between the long rod 4 and the spring seat 16 and is contacted with the other side of the spring 15; the other end of the movable rod 13 is a connecting rod, and the axial direction of the connecting rod is perpendicular to the axial direction of the sleeve and is symmetrical with the central axis of the sleeve; sliding grooves are formed in the two ends of the connecting rod along the length direction, and sliding block structures are arranged at the tail ends of the upper half ring 11 and the lower half ring 12 and are respectively matched with the two sliding grooves, so that the tail ends of the upper half ring 11 and the lower half ring 12 slide along the length direction of the connecting rod; the fixing rod 14 is arranged parallel to the connecting rod, and two ends of the fixing rod are respectively hinged with the positions of the upper half ring 11 and the lower half ring 12 close to the sliding block, so that the upper half ring 11 and the lower half ring 12 can respectively rotate around a hinged point;
a bulge is arranged on the inner circumferential surface of the sleeve of the movable rod 13; one end of the connecting rod pull rope 5 is fixed on the bulge, and the other end of the connecting rod pull rope penetrates through the long rod 4 and extends to the torpedo fishing handle 6; the movable rod 13 is driven to move axially by the action of the connecting rod pull rope 5 and the spring 15, and the upper half ring 11 and the lower half ring 12 are further driven to rotate around the hinged parts at the two ends of the fixed rod 14 respectively, so that the opening/closing state of the upper half ring 11 and the lower half ring 12 is realized.
The loop rope assembly comprises a loop rope 2, a loop rope pull rope 3, a first magnet 8 and a second magnet 7; the loop rope 2 is attached to the inner ring surfaces of the upper half ring 11 and the lower half ring 12, one end of the loop rope is fixed at the end of the upper half ring 11, and the other end of the loop rope is fixed on the second magnet 7 and is connected with the end of the lower half ring 12 through the second magnet 7; one end of the rope sleeving pull rope 3 is fixed on the first magnet 8 and is connected with the outer side of the end of the upper half ring 11 through the first magnet 8, and the other end of the rope sleeving pull rope is a free end and extends to the mine fishing handle 6; the part of the rope pulling rope 5 close to the upper half ring 11 is connected with the outer peripheral surface of the upper half ring 11 through a plurality of rope buckles 10; the magnetic poles of the first magnet 8 and the second magnet 7 are opposite, the positions of the first magnet are opposite when the upper half ring 11 and the lower half ring 12 are closed, and the first magnet and the second magnet are combined into a whole through magnetic force; by pulling the casing rope pulling rope 3, the first magnet 8 and the second magnet 7 integrally move along the direction of the casing rope pulling rope 3, and simultaneously the other end of the casing rope 2 is driven to move along with the second magnet 7, so that the inner diameter of the casing rope 2 is reduced to be separated from the inner peripheral surfaces of the upper half ring 11 and the lower half ring 12, and the detonator to be recovered is tightly sleeved; the end of the upper half ring 11 is coaxially provided with a rope sleeving ring 9 for limiting the position of the rope sleeving 2.
The specific implementation process of the invention is as follows:
1) the initial state (shown in figure 2) of the handheld mine fishing tool is close to a mine body;
2) a connecting rod pull rope connected in the bailing handle is pulled backwards with force;
3) the connecting rod pull rope drives the connecting rod mechanism to cause the upper semi-ring and the lower semi-ring to be folded;
4) when the pulling stroke of the connecting rod pull rope reaches 25mm, the mine body is sleeved with the sleeve rope, and the sleeve rope is sleeved on the mine body;
5) the loop rope pull rope pulls one end of the tight loop rope backwards to pull back to the torpedo ladle;
6) after the mine body is tightly sleeved by the rope, mechanical parts of the mine fishing tool are separated from the mine body, and the mine operation is recovered through the rope.
An operator carries out mine fishing operation by using a handheld mine fishing tool, the quality of the mine fishing tool cannot be too heavy for satisfying remote operation, so that a high-strength carbon fiber material is adopted in the design to replace the original aluminum material, the density is only 1.4-1.6 g/cm3, the aluminum material is light and half, the strength and the rigidity are enough, and the mine fishing working condition can be satisfied. When the worker carries out mine fishing work, the worker holds the mine fishing handle with one hand and the long rod with the other hand, the stress of the two hands is respectively F1 and F2, in order to facilitate the operation of the worker, the values of F1 and F2 cannot be too large, the stress condition of the arm is shown in FIG. 5, and the sizes of F1 and F2 are obtained through analysis:
in the formula: m is the quality of the mine sheathing mechanism, M is the quality of the long rod, F1 and F2 are the stress on the hand of a worker, L is the effective length of the mine fishing rod, L1 is half the length of L, and L2 is the distance (500mm) between two-hand operation tools.
The long rod is designed as a telescopic rod, and the length of the long rod is 6m at the longest; in order to reduce weight, except for parts such as connecting screws and the like, the main body part is made of high-strength composite carbon fiber materials, the mass M of the long rod is 1.5kg, the mass M of the lightning sleeving ring component is 1.4kg, and the forces F1 and F2 on the arm are 270N and 241N respectively when the lightning fishing tool is held by hand. The weight reduction and the reasonable mechanism design ensure the safe, portable and fast mine fishing operation.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (7)
1. The utility model provides a swift formula bailing thunder instrument which characterized in that: the mine fishing device comprises a mine sleeving mechanism, a mine sleeving rope assembly, a long rod and a mine fishing handle; the end head of one end of the long rod is fixedly provided with the mine sheathing mechanism, and the other end of the long rod is provided with the mine fishing handle; the rope sleeving component is arranged on the mine sleeving mechanism and is detachably connected with the mine sleeving mechanism;
the lightning sleeving mechanism comprises an upper half ring, a lower half ring and a connecting rod mechanism; the upper half ring and the lower half ring are combined to form a circular ring structure, the circular ring structure is fixed at one end of the long rod through the connecting rod mechanism and is used as a lantern ring of the torpedo fishing tool, and the opening/closing state of the upper half ring and the lower half ring is controlled through the connecting rod mechanism, so that the torpedo can be grabbed and clamped;
the loop rope assembly comprises a loop rope, a loop rope pull rope, a first magnet and a second magnet; the sleeve rope is attached to the inner ring surfaces of the upper half ring and the lower half ring, one end of the sleeve rope is fixed to the end head of the upper half ring, and the other end of the sleeve rope is fixed to the second magnet and is connected with the end head of the lower half ring through the second magnet; one end of the rope sleeving pull rope is fixed on the first magnet and is connected with the outer side of the end head of the upper half ring through the first magnet, and the other end of the rope sleeving pull rope is a free end and extends to the mine fishing handle; the magnetic poles of the first magnet and the second magnet are opposite, and the upper half ring and the lower half ring are opposite when being closed and are combined into a whole through magnetic force; by pulling the rope pulling rope, the first magnet and the second magnet integrally move along the direction of the rope pulling rope, and simultaneously the other end of the rope pulling rope is driven to move along with the second magnet, so that the inner diameter of the rope pulling rope is reduced to be separated from the inner peripheral surfaces of the upper half ring and the lower half ring, and the mine body to be recovered is tightly sleeved.
2. The swift bailing tool of claim 1, characterized in that: the connecting rod mechanism comprises a fixed rod, a movable rod, a connecting rod pull rope, a spring and a spring seat; the spring seat is of a sleeve structure, an annular boss is arranged on the inner peripheral surface of one end of the spring seat, the spring seat is coaxially sleeved at one end of the long rod, and one end of the annular boss faces the mine fishing handle; the spring is a cylindrical compression spring, is coaxially arranged in the spring seat and sleeved on the peripheral surface of the long rod, and limits the axial displacement of one end of the spring through the annular boss;
one end of the movable rod is a sleeve which is coaxially sleeved between the long rod and the spring seat and is in contact with the other side of the spring; the other end of the movable rod is a connecting rod, and the axial direction of the connecting rod is perpendicular to the axial direction of the sleeve and is symmetrical with the central axis of the sleeve; sliding grooves are formed in the two ends of the connecting rod along the length direction, and sliding block structures are arranged at the tail ends of the upper half ring and the lower half ring and are respectively matched with the two sliding grooves, so that the tail ends of the upper half ring and the lower half ring slide along the length direction of the connecting rod; the fixed rod is arranged in parallel to the connecting rod, and two ends of the fixed rod are respectively hinged with the positions, close to the sliding block, of the upper half ring and the lower half ring, so that the upper half ring and the lower half ring can respectively rotate around hinged points;
the inner circumferential surface of the sleeve of the movable rod is provided with a bulge; one end of the connecting rod pull rope is fixed on the protrusion, and the other end of the connecting rod pull rope penetrates through the long rod and extends to the torpedo fishing handle; the movable rod is driven to move axially under the action of the connecting rod pull rope and the spring, the upper half ring and the lower half ring are further driven to rotate around the hinged parts at the two ends of the fixed rod respectively, and the opening/closing state of the upper half ring and the lower half ring is realized.
3. The swift bailing tool of claim 1, characterized in that: and the end head of the upper half ring is coaxially provided with a rope sleeving ring for limiting the position of the rope sleeving.
4. The swift bailing tool of claim 1, characterized in that: the part of the loop rope stay cord close to the upper half ring is connected to the outer peripheral surface of the upper half ring through a plurality of buckles.
5. The swift bailing tool of claim 1, characterized in that: the long rod is made of high-strength carbon fiber material and has the density of 1.4-1.6 g/cm3。
6. The swift bailing tool of claim 1, characterized in that: the long rod is of a telescopic rod structure.
7. A method for fishing a mine by using the rapid mine fishing tool of claim 1, which comprises the following steps:
the method comprises the following steps: the handheld mine fishing tool is close to the mine body, and the mine sleeving mechanism is opened;
step two: pulling a connecting rod pull rope at one end of the torpedo fishing handle, and closing the upper half ring and the lower half ring through the connecting rod mechanism, so that the torpedo to be recovered is sleeved in a lantern ring formed by the upper half ring and the lower half ring;
step three: pulling the free end of the loop rope pulling rope, and simultaneously driving the other end of the loop rope to move along with the loop rope pulling rope, so that the inner diameter of the loop rope is reduced, and tightly sleeving the to-be-recovered detonator body;
step four: the mine body to be recovered is pulled back to the mine dredger through a loop rope pull rope; after the mine body is tightly sleeved by the rope, mechanical parts of the mine fishing tool are separated from the mine body, and the mine operation is recovered through the rope.
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|---|---|---|---|
| CN201911109554.4A CN110816786B (en) | 2019-11-14 | 2019-11-14 | Swift formula bails thunder instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911109554.4A CN110816786B (en) | 2019-11-14 | 2019-11-14 | Swift formula bails thunder instrument |
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| CN110816786B true CN110816786B (en) | 2020-09-08 |
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| CN112357013B (en) * | 2020-11-16 | 2021-10-15 | 广东桂荣永磁新材料科技有限公司 | Strong magnetic salvager |
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| US3402959A (en) * | 1967-01-13 | 1968-09-24 | Harris Jack | Torpedo retrieving snare |
| CN1049905A (en) * | 1989-08-09 | 1991-03-13 | 甜美公司 | A kind of retracting device of training torpedo |
| US5082318A (en) * | 1990-10-26 | 1992-01-21 | The United States Of America As Represented By The Secretary Of The Navy | Girth hitching mechanism |
| CN102807151A (en) * | 2012-07-30 | 2012-12-05 | 中国核电工程有限公司 | Handheld boom lifting appliance |
| CN104129708A (en) * | 2014-07-28 | 2014-11-05 | 中国船舶重工集团公司第七○二研究所 | Self-clamping-type hoisting device for underwater rotary body |
| CN204298802U (en) * | 2014-12-14 | 2015-04-29 | 中国船舶重工集团公司七五○试验场 | A kind of water surface that is used for salvages object device |
| CN204471387U (en) * | 2015-03-24 | 2015-07-15 | 潍坊市公安消防支队 | Portable underwater salvages search and rescue device |
| CN106081015A (en) * | 2016-06-28 | 2016-11-09 | 河北工业大学 | A kind of submarine navigation device bridle catcher |
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2019
- 2019-11-14 CN CN201911109554.4A patent/CN110816786B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3402959A (en) * | 1967-01-13 | 1968-09-24 | Harris Jack | Torpedo retrieving snare |
| CN1049905A (en) * | 1989-08-09 | 1991-03-13 | 甜美公司 | A kind of retracting device of training torpedo |
| US5082318A (en) * | 1990-10-26 | 1992-01-21 | The United States Of America As Represented By The Secretary Of The Navy | Girth hitching mechanism |
| CN102807151A (en) * | 2012-07-30 | 2012-12-05 | 中国核电工程有限公司 | Handheld boom lifting appliance |
| CN104129708A (en) * | 2014-07-28 | 2014-11-05 | 中国船舶重工集团公司第七○二研究所 | Self-clamping-type hoisting device for underwater rotary body |
| CN204298802U (en) * | 2014-12-14 | 2015-04-29 | 中国船舶重工集团公司七五○试验场 | A kind of water surface that is used for salvages object device |
| CN204471387U (en) * | 2015-03-24 | 2015-07-15 | 潍坊市公安消防支队 | Portable underwater salvages search and rescue device |
| CN106081015A (en) * | 2016-06-28 | 2016-11-09 | 河北工业大学 | A kind of submarine navigation device bridle catcher |
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| CN110816786A (en) | 2020-02-21 |
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