CN113492949B - Lifeboat hoisting device for ship lifesaving - Google Patents
Lifeboat hoisting device for ship lifesaving Download PDFInfo
- Publication number
- CN113492949B CN113492949B CN202111059671.1A CN202111059671A CN113492949B CN 113492949 B CN113492949 B CN 113492949B CN 202111059671 A CN202111059671 A CN 202111059671A CN 113492949 B CN113492949 B CN 113492949B
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- China
- Prior art keywords
- lifeboat
- rod
- fixedly connected
- rotating
- ship
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Classifications
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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
- B63B23/00—Equipment for handling lifeboats or the like
- B63B23/02—Davits, i.e. devices having arms for lowering boats by cables or the like
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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
- B63B23/00—Equipment for handling lifeboats or the like
- B63B23/40—Use of lowering or hoisting gear
- B63B23/48—Use of lowering or hoisting gear using winches for boat handling
Abstract
The invention relates to the technical field of ship auxiliary equipment, in particular to a lifeboat hoisting device for ship lifesaving, which comprises a ship body and a lifeboat body, wherein two groups of sliding rails are symmetrically and fixedly connected to the upper surface of the ship body, sliding blocks are connected onto the sliding rails in a sliding mode, rotating arms are rotatably connected onto the upper surfaces of the sliding blocks, lifting plates are arranged on the outer surfaces of the rotating arms, and balancing mechanisms are arranged on the lower surfaces of the lifting plates and used for keeping the lifeboat body stable. The two rotating rods, the hanging plate and the sliding block form a parallelogram structure, so that the hanging plate can be always kept in a parallel state and slowly descends, the lifeboat body can stably descend to the water surface, and the lifeboat body is prevented from inclining; two pull ropes are pushed to two sides through two telescopic ends of the two-way telescopic arm, so that the two pull ropes close to the lifeboat body are in a tightening state, and the lifeboat body is prevented from shaking due to the blowing of wind.
Description
Technical Field
The invention relates to the technical field of ship auxiliary equipment, in particular to a lifeboat hoisting device for ship lifesaving.
Background
The lifeboat is a special lifeboat which is arranged on a ship and is used for rescuing passengers when the ship fails, the lifeboat is propelled by a paddle, a sail, a power machine and the like, the lifeboat is stored and suspended by using a boat davit under normal conditions, and the boat davit is mostly arranged at the stern, so that the lifeboat is convenient to escape and the normal shipping of the ship is not influenced.
When the existing boat lifting frame lifts the lifeboat for placement, the lifeboat is lifted by using the stress of the rope or the steel wire rope, and the lifeboat rocks when encountering strong wind or the unstable operation condition of the boat lifting frame, so that personnel in the lifeboat fall into water easily and are injured by the personnel.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a lifeboat hoisting device for ship rescue.
The technical scheme adopted by the invention for solving the technical problems is as follows: a lifeboat hoisting device for ship lifesaving comprises a ship body and a lifeboat body, wherein two groups of sliding rails are symmetrically and fixedly connected to the upper surface of the ship body, sliding blocks are connected onto the sliding rails in a sliding mode, the upper surface of each sliding block is rotatably connected with a rotating arm, a hanging plate is arranged on the outer surface of each rotating arm, a balance mechanism is arranged on the lower surface of each hanging plate, and the balance mechanisms are used for keeping the lifeboat body stable;
the balance mechanism comprises two support plates, two rotating rods and a rotating shaft, the two support plates are symmetrically and fixedly connected with the upper surface of the sliding block, one ends of the two rotating rods are respectively rotatably connected with the two support plates, the other ends of the two rotating rods are rotatably connected with the lower surface of the hanging plate, the outer surface of one rotating rod is rotatably connected with the outer surface of the rotating arm through the rotating shaft, the outer surface of the hanging plate is provided with a tensioning mechanism, the tensioning mechanism comprises a support frame, a motor, a screw rod, a moving pipe, a two-way telescopic arm and a push block, the upper surface of the hanging plate far away from one end of the rotating rod is fixedly connected with the support frame, the motor is fixedly connected with the upper surface of the support frame, the output end of the motor penetrates through the upper surface of the support frame and is fixedly connected with the screw rod, the screw rod is inserted into the moving pipe and is in threaded connection with the inner wall of the moving pipe, and the moving pipe penetrates through the upper surface of the hanging plate and is in sliding connection with the upper surface of the hanging plate, the bottom fixedly connected with two-way flexible arm of removal pipe, the equal fixedly connected with ejector pad in both ends of two-way flexible arm.
Specifically, the rotor arm includes pneumatic cylinder, push rod and bracing piece, the bottom of pneumatic cylinder is connected with the upper surface rotation of slider, the push rod is inserted and is located in the pneumatic cylinder and rather than sliding connection, the bottom of bracing piece is connected with the upper surface rotation of slider, the top of push rod is connected with the surface rotation of bracing piece.
Specifically, the top of bracing piece is equipped with hoisting machine and constructs, hoisting machine constructs including C shape mount, cable drum, two pulleys and two stay cords, the top fixed connection of C shape mount and bracing piece, two the pulley is connected with the internal surface rotation of C shape mount respectively, cable drum fixed connection is in the surface of bracing piece, two stay cords of inside fixed connection of cable drum, two the stay cord is walked around two pulleys respectively and is connected with the external fixed surface of lifeboat body, the stay cord runs through the surface of ejector pad and rather than sliding connection.
Specifically, the upper surface of the bidirectional telescopic arm is fixedly connected with a sleeve, a fixing rod is inserted into the sleeve, and the top end of the fixing rod is fixedly connected with the upper surface of the hanging plate.
Specifically, the upper side and the lower side of the push block close to the pull rope are both provided with round corners.
Specifically, the two rotating rods have the same length.
The invention has the beneficial effects that:
(1) promote the bracing piece through the pneumatic cylinder and rotate, when the bracing piece rotates, the bull stick of being connected with the bracing piece surface rotation will rotate thereupon, because two bull sticks all rotate with the lower surface of hanger plate and be connected, make one of them bull stick rotate the back and can drive another bull stick and rotate, and the length of two bull sticks is the same, make two bull sticks, form a parallelogram structure between hanger plate and the slider, when the bull stick drives the hanger plate and rotates, the hanger plate can remain the slow decline of parallel state throughout, thereby make the stay cord drive the steady landing of lifeboat body to the surface of water, avoid the lifeboat body to take place the slope.
(2) Drive the screw rod rather than output fixed connection through the motor and rotate, because the screw rod is connected with the inner wall screw thread that removes the pipe, the pipe will be followed rectilinear movement when the screw rod rotates, thereby drive and remove pipe fixed connection's two-way flexible arm and remove to the direction of lifeboat body, when two-way flexible arm removed, two flexible ends of two-way flexible arm will drive the ejector pad and expand to both sides, because the stay cord runs through the surface of ejector pad, make the ejector pad can promote two stay cords of lifeboat body top to both sides, thereby make two stay cords that are close to the lifeboat body be in the state of tightening, prevent that the lifeboat body from producing because the blowing of wind and rocking.
(3) Set up the fillet through the upper and lower both sides that are close to the stay cord at the ejector pad for the stay cord reduces the friction between stay cord and the ejector pad when passing through the ejector pad, and simultaneously when retrieving the stay cord, the ejector pad can be scraped the water stain on stay cord surface, keeps the drying of stay cord, avoids the stay cord to be corroded by water stain.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a right-view structural schematic diagram of a lifeboat hoisting device for ship rescue provided by the invention;
fig. 2 is a left-side view structural schematic diagram of the lifeboat hoisting device for ship rescue provided by the invention;
fig. 3 is a schematic overall structure diagram of a lifeboat hoisting device for ship rescue provided by the invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1;
fig. 5 is an enlarged view of the structure at B in fig. 3.
In the figure: 1. a hull; 2. a lifeboat; 3. a rotating arm; 301. a hydraulic cylinder; 302. a push rod; 303. a support bar; 4. a balancing mechanism; 401. a support plate; 402. a rotating rod; 403. a rotating shaft; 5. a hoisting mechanism; 501. a C-shaped fixing frame; 502. a wire stranding disc; 503. a pulley; 504. pulling a rope; 6. a tensioning mechanism; 601. a support frame; 602. a motor; 603. a screw; 604. moving the tube; 605. a bidirectional telescopic arm; 606. a push block; 7. a hanger plate; 8. a slide rail; 9. a slider; 10. a sleeve; 11. and (5) fixing the rod.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-5, the lifeboat hoisting device for ship lifesaving of the invention comprises a ship body 1 and a lifeboat body 2, wherein the upper surface of the ship body 1 is symmetrically and fixedly connected with two sets of slide rails 8, the slide rails 8 are slidably connected with slide blocks 9, the upper surface of the slide blocks 9 is rotatably connected with a rotating arm 3, the rotating arm 3 comprises a hydraulic cylinder 301, a push rod 302 and a support rod 303, the bottom of the hydraulic cylinder 301 is rotatably connected with the upper surface of the slide blocks 9, the push rod 302 is inserted in the hydraulic cylinder 301 and slidably connected with the same, the bottom end of the support rod 303 is rotatably connected with the upper surface of the slide blocks 9, and the top end of the push rod 302 is rotatably connected with the outer surface of the support rod 303; the outer surface of the rotating arm 3 is provided with a hanging plate 7, the lower surface of the hanging plate 7 is provided with a balance mechanism 4, and the balance mechanism 4 is used for keeping the lifeboat body 2 stable;
the balance mechanism 4 comprises two support plates 401, two rotating rods 402 and a rotating shaft 403, the two support plates 401 are symmetrically and fixedly connected with the upper surface of the sliding block 9, one ends of the two rotating rods 402 are respectively rotatably connected with the two support plates 401, the other ends of the two rotating rods 402 are rotatably connected with the lower surface of the hanging plate 7, the lengths of the two rotating rods 402 are equal, the outer surface of one rotating rod 402 is rotatably connected with the outer surface of the rotating arm 3 through the rotating shaft 403, and the outer surface of the rotating rod 402 is rotatably connected with the outer surface of the support rod 303 through the rotating shaft 403.
Thus, firstly, the hoisting device is pushed to the edge of the ship body 1 along the slide rail 8 arranged on the ship body 1, so that the lifeboat body 2 can extend out of the ship body 1, the hydraulic cylinder 301 is started, the hydraulic cylinder 301 pushes the support rod 303 to rotate through the push rod 302, when the support bar 303 rotates, the rotating bar 402 rotatably connected with the outer surface of the support bar 303 rotates therewith, because the two rotating rods 402 are rotatably connected with the lower surface of the hanging plate 7, one rotating rod 402 can drive the other rotating rod 402 to rotate after rotating, and the two rotating rods 402 have the same length, so that a parallelogram structure is formed among the two rotating rods 402, the hanging plate 7 and the sliding block 9, when the rotating rod 402 drives the hanging plate 7 to rotate, the hanging plate 7 can always keep parallel and slowly descend, thereby make stay cord 504 drive lifeboat body 2 steady landing to the surface of water, avoid lifeboat body 2 to take place the slope.
Referring to fig. 3, specifically, a hoisting mechanism 5 is arranged at the top end of the supporting rod 303, the hoisting mechanism 5 includes a C-shaped fixing frame 501, a twisted wire disc 502, two pulleys 503 and two pull ropes 504, the C-shaped fixing frame 501 is fixedly connected with the top end of the supporting rod 303, the two pulleys 503 are respectively rotatably connected with the inner surface of the C-shaped fixing frame 501, the twisted wire disc 502 is fixedly connected with the outer surface of the supporting rod 303, the two pull ropes 504 are fixedly connected with the inside of the twisted wire disc 502, and the two pull ropes 504 respectively bypass the two pulleys 503 and are fixedly connected with the outer surface of the lifeboat body 2.
Thus, by starting the wire winding disc 502, the wire winding disc 502 drives the two pull ropes 504 to simultaneously go up and down or descend, so that the lifeboat body 2 can be ensured to stably land on the water surface; the two pull ropes 504 provide tension for the lifeboat body 2 through the two pulleys 503, so that the friction force of the pull ropes 504 is reduced, and the pull ropes 504 are prevented from being broken.
Referring to fig. 5, specifically, a tensioning mechanism 6 is disposed on an outer surface of the hanger plate 7, the tensioning mechanism 6 includes a support frame 601, a motor 602, a screw 603, a moving tube 604, a bidirectional telescopic arm 605 and a push block 606, the support frame 601 is fixedly connected to an upper surface of one end of the hanger plate 7, which is far away from the rotating rod 402, the motor 602 is fixedly connected to the upper surface of the support frame 601, an output end of the motor 602 penetrates through the upper surface of the support frame 601 and is fixedly connected with the screw 603, the screw 603 is inserted into the moving tube 604, the screw 603 is in threaded connection with an inner wall of the moving tube 604, the moving tube 604 penetrates through the upper surface of the hanger plate 7 and is in sliding connection with the upper surface, the bottom end of the moving tube 604 is fixedly connected with the bidirectional telescopic arm 605, both ends of the bidirectional telescopic arm 605 are fixedly connected with the push blocks 606, and the pull rope 504 penetrates through an outer surface of the push blocks 606 and is in sliding connection with the upper surface of the push blocks.
So, drive the screw rod 603 rather than output end fixed connection through motor 602 and rotate, because screw rod 603 and the inner wall threaded connection who removes pipe 604, the removal pipe 604 will be along rectilinear movement when screw rod 603 rotates, thereby drive the two-way flexible arm 605 with removal pipe 604 fixed connection to the direction removal of lifeboat body 2, when two-way flexible arm 605 removed, two flexible ends of two-way flexible arm 605 will drive ejector pad 606 and expand to both sides, because stay cord 504 runs through the surface of ejector pad 606, make ejector pad 606 can promote two stay cords 504 above lifeboat body 2 to both sides, thereby make two stay cords 504 that are close to lifeboat body 2 be in the state of tightening, prevent lifeboat body 2 from producing because the blowing of wind and rocking.
Referring to fig. 5, specifically, a sleeve 10 is fixedly connected to the upper surface of the bidirectional telescopic arm 605, a fixing rod 11 is inserted into the sleeve 10, and the top end of the fixing rod 11 is fixedly connected to the upper surface of the hanging plate 7.
When the bidirectional telescopic arm 605 descends in this way, the sleeve 10 fixedly connected thereto slides down along the fixing rod 11, thereby preventing the bidirectional telescopic arm 605 from rotating.
Referring to fig. 5, in particular, the push block 606 is provided with rounded corners at both upper and lower sides thereof near the pull rope 504.
So for stay cord 504 when passing through ejector pad 606, reduce the friction between stay cord 504 and the ejector pad 606, when retrieving stay cord 504 simultaneously, ejector pad 606 can be scraped the water stain on stay cord 504 surface, keeps the drying of stay cord 504, avoids stay cord 504 to be corroded by water stain.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a boats and ships are lifeboat hoist device for lifesaving which characterized in that: the lifeboat comprises a boat body (1) and a lifeboat body (2), wherein two groups of sliding rails (8) are symmetrically and fixedly connected to the upper surface of the boat body (1), sliding blocks (9) are connected onto the sliding rails (8), the upper surface of each sliding block (9) is rotatably connected with a rotating arm (3), a hanging plate (7) is arranged on the outer surface of each rotating arm (3), a balance mechanism (4) is arranged on the lower surface of each hanging plate (7), and each balance mechanism (4) is used for keeping the lifeboat body (2) stable;
the balance mechanism (4) comprises two support plates (401), two rotating rods (402) and a rotating shaft (403), the two support plates (401) are symmetrically and fixedly connected with the upper surface of a sliding block (9), one ends of the two rotating rods (402) are respectively rotatably connected with the two support plates (401), the other ends of the two rotating rods (402) are rotatably connected with the lower surface of a hanging plate (7), the outer surface of one rotating rod (402) is rotatably connected with the outer surface of a rotating arm (3) through the rotating shaft (403), a tensioning mechanism (6) is arranged on the outer surface of the hanging plate (7), the tensioning mechanism (6) comprises a support frame (601), a motor (602), a screw rod (603), a moving pipe (604), a bidirectional telescopic arm (605) and a push block (606), the upper surface of one end, far away from the rotating rod (402), of the hanging plate (7) is fixedly connected with the support frame (601), motor (602) fixed connection is in the upper surface of support frame (601), the output of motor (602) runs through the upper surface of support frame (601) and fixedly connected with screw rod (603), screw rod (603) are inserted and are located in removing pipe (604), and screw rod (603) and the inner wall threaded connection who removes pipe (604), remove pipe (604) and run through the upper surface of hanger plate (7) and rather than sliding connection, the bottom fixedly connected with two-way flexible arm (605) of removal pipe (604), the equal fixedly connected with ejector pad (606) in both ends of two-way flexible arm (605).
2. The lifeboat hoisting device for ship lifesaving of claim 1, wherein: the rotating arm (3) comprises a hydraulic cylinder (301), a push rod (302) and a support rod (303), the bottom of the hydraulic cylinder (301) is rotatably connected with the upper surface of a sliding block (9), the push rod (302) is inserted into the hydraulic cylinder (301) and is slidably connected with the hydraulic cylinder, the bottom end of the support rod (303) is rotatably connected with the upper surface of the sliding block (9), and the top end of the push rod (302) is rotatably connected with the outer surface of the support rod (303).
3. The lifeboat hoisting device for ship lifesaving of claim 2, wherein: the top of bracing piece (303) is equipped with hoisting machine structure (5), hoisting machine structure (5) are including C shape mount (501), stranded conductor dish (502), two pulleys (503) and two stay cords (504), the top fixed connection of C shape mount (501) and bracing piece (303), two pulley (503) rotate with the internal surface of C shape mount (501) respectively and are connected, stranded conductor dish (502) fixed connection is in the surface of bracing piece (303), two stay cords (504) of inside fixed connection of stranded conductor dish (502), two stay cords (504) are walked around two pulleys (503) respectively and are connected with the surface fixed connection of lifeboat body (2), stay cord (504) run through the surface of ejector pad (606) and rather than sliding connection.
4. The lifeboat hoisting device for ship lifesaving of claim 1, wherein: the upper surface of the bidirectional telescopic arm (605) is fixedly connected with a sleeve (10), a fixing rod (11) is inserted into the sleeve (10), and the top end of the fixing rod (11) is fixedly connected with the upper surface of the hanging plate (7).
5. The lifeboat hoisting device for ship rescue according to claim 3, wherein: the upper side and the lower side of the push block (606) close to the pull rope (504) are both provided with round corners.
6. The lifeboat hoisting device for ship lifesaving of claim 1, wherein: the lengths of the two rotating rods (402) are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111059671.1A CN113492949B (en) | 2021-09-10 | 2021-09-10 | Lifeboat hoisting device for ship lifesaving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111059671.1A CN113492949B (en) | 2021-09-10 | 2021-09-10 | Lifeboat hoisting device for ship lifesaving |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113492949A CN113492949A (en) | 2021-10-12 |
| CN113492949B true CN113492949B (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111059671.1A Active CN113492949B (en) | 2021-09-10 | 2021-09-10 | Lifeboat hoisting device for ship lifesaving |
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| Country | Link |
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| CN (1) | CN113492949B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116080829B (en) * | 2023-04-06 | 2023-06-06 | 卓控海洋装备技术(广州)有限公司 | Hanging type dinghy retraction device and method |
| CN116331449B (en) * | 2023-05-31 | 2023-08-04 | 山东航宇船业集团股份有限公司 | Lifeboat of hoisting and dragging device for ship |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1357490A (en) * | 1972-05-19 | 1974-06-19 | Ascargo Sa | Lay-out and manoeuvre of davits for ships lifeboats |
| SU852713A1 (en) * | 1979-07-09 | 1981-08-07 | Предприятие П/Я А-3780 | Ship arrangement for hoisting and lowering cargo |
| CN201580533U (en) * | 2009-11-24 | 2010-09-15 | 镇江维斯特船用设备有限公司(外商独资) | Link type suspension arm |
| CN103482028A (en) * | 2013-09-17 | 2014-01-01 | 镇江维斯特船用设备有限公司 | Mechanical-connecting-rod-type anti-swing device applied to lifeboat davit |
| CN205396448U (en) * | 2016-02-23 | 2016-07-27 | 江阴耐波特船用设备有限公司 | Connecting rod formula keel block |
| CN213649846U (en) * | 2020-11-10 | 2021-07-09 | 上海彩虹鱼深海装备科技有限公司 | Submersible laying and recycling system |
| CN214029056U (en) * | 2021-01-07 | 2021-08-24 | 江苏佼燕船舶设备有限公司 | Connecting rod boat lifting frame |
-
2021
- 2021-09-10 CN CN202111059671.1A patent/CN113492949B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1357490A (en) * | 1972-05-19 | 1974-06-19 | Ascargo Sa | Lay-out and manoeuvre of davits for ships lifeboats |
| SU852713A1 (en) * | 1979-07-09 | 1981-08-07 | Предприятие П/Я А-3780 | Ship arrangement for hoisting and lowering cargo |
| CN201580533U (en) * | 2009-11-24 | 2010-09-15 | 镇江维斯特船用设备有限公司(外商独资) | Link type suspension arm |
| CN103482028A (en) * | 2013-09-17 | 2014-01-01 | 镇江维斯特船用设备有限公司 | Mechanical-connecting-rod-type anti-swing device applied to lifeboat davit |
| CN205396448U (en) * | 2016-02-23 | 2016-07-27 | 江阴耐波特船用设备有限公司 | Connecting rod formula keel block |
| CN213649846U (en) * | 2020-11-10 | 2021-07-09 | 上海彩虹鱼深海装备科技有限公司 | Submersible laying and recycling system |
| CN214029056U (en) * | 2021-01-07 | 2021-08-24 | 江苏佼燕船舶设备有限公司 | Connecting rod boat lifting frame |
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| Publication number | Publication date |
|---|---|
| CN113492949A (en) | 2021-10-12 |
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