CN114655362B - Locking device for lifeboat keel block - Google Patents

Locking device for lifeboat keel block Download PDF

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Publication number
CN114655362B
CN114655362B CN202210379192.6A CN202210379192A CN114655362B CN 114655362 B CN114655362 B CN 114655362B CN 202210379192 A CN202210379192 A CN 202210379192A CN 114655362 B CN114655362 B CN 114655362B
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China
Prior art keywords
fixed
lifeboat
wire
guide
guide rails
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CN202210379192.6A
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CN114655362A (en
Inventor
华海波
庄金鹤
吴伟锋
秦钢
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Jiangyin Neptune Marine Appliance Co ltd
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Jiangyin Neptune Marine Appliance Co ltd
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Priority to CN202210379192.6A priority Critical patent/CN114655362B/en
Publication of CN114655362A publication Critical patent/CN114655362A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B23/00Equipment for handling lifeboats or the like
    • B63B23/40Use of lowering or hoisting gear

Abstract

The invention discloses a locking device for a lifeboat keel frame, and relates to the technical field of lifeboat keel frames. The invention comprises a group of steel cables, a group of lead frames, a locking piece, a group of guide rails and two wire dragging frames sliding on the guide rails, wherein one end of each steel cable penetrates through each lead frame and is provided with a wire collector, each guide rail comprises a transverse rail part and a longitudinal rail part, an arc part is arranged between the transverse rail part and the longitudinal rail part, the two guide rails are symmetrically arranged, the longitudinal rail parts on the two guide rails are arranged in the middle part right below a boat hull in parallel, each guide rail comprises a T-shaped main beam, and a rack and a guide groove are respectively fixed on two sides of the vertical edge part of each T-shaped main beam. According to the invention, two guide rails are designed, the electric traveling towing line bracket is designed to move along the guide rails, towing lines can be processed through the towing line bracket, a lifeboat can be locked, a space can be provided for moving out the lifeboat, the requirement on the stability of the lifeboat is met, meanwhile, the whole process is electrically operated, the use of workers is facilitated, and the safety in use is improved.

Description

Locking device for lifeboat keel block
Technical Field
The invention belongs to the technical field of lifeboat booms, and particularly relates to a locking device for a lifeboat davit.
Background
Current lifeboat passes through the keel block and lifts by crane and restricted position, however because the cantilever is the cable wire mostly, the condition can appear rocking in stability is not enough, can lean on the lifeboat slope on the tie-beam on the keel block, through the position of gravity restriction lifeboat, nevertheless rocking problem still can appear rocking under rocking great condition, influences lifeboat positional stability and life (the collision influence that produces when rocking).
In order to guarantee the stability of lifeboat, can establish the cable wire in addition in two davit outsides on the hull, be the splayed and wind in the lifeboat outside, and with two cable wire end fixing on fixed anchor point, a restriction for the lifeboat position, however the anchor point is located hull center department, be in the lifeboat bottom, and need manual operation, the security is not enough, and the lifeboat setting is in steamer side department, and uncovered (being used for putting into of lifeboat and shifting out) in the installing zone outside, be unfavorable for manual operation and further reduce its security.
Disclosure of Invention
The invention aims to provide a locking device for a lifeboat davit, which is characterized in that two guide rails are designed, an electric traveling towing line frame is designed to move along the guide rails, towing line processing can be performed through the towing line frame, the lifeboat can be locked, space can be provided for moving out the lifeboat, the requirement on the stability of the lifeboat is met, meanwhile, the whole process is electrically operated, the use of workers is facilitated, and the safety in use is improved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a locking device for a lifeboat keel block, which comprises a group of steel cables, a group of lead frames, a locking piece, a group of guide rails and two wire dragging frames sliding on the guide rails, wherein one end of each steel cable penetrates through each lead frame and is provided with a wire collector;
the guide rails comprise transverse rail parts and longitudinal rail parts, arc parts are arranged between the transverse rail parts and the longitudinal rail parts, the two guide rails are symmetrically arranged, the extension directions of the transverse rail parts of the two guide rails are opposite, and the longitudinal rail parts on the two guide rails are arranged in the middle of the position right below the boat davit in parallel;
the guide rail comprises a T-shaped main beam, and a rack and a guide groove are respectively fixed on two sides of the vertical edge part of the T-shaped main beam;
the wire dragging frame comprises a base plate, an inverted U-shaped plate is fixed to the top of the base plate, a pin rod is fixed to the top of the inverted U-shaped plate, and one end, far away from the wire winding device, of the steel cable is fixed to the pin rod through a lifting hook;
a motor is fixed on one side of the top of the substrate, the output end of the motor penetrates through the substrate and is fixed with a gear, a guide wheel is fixed on the bottom of the substrate and on one side of the gear, the guide wheel is arranged in the guide groove in a rolling manner, the gear is positioned on the outer side of the rack and is meshed with the rack, two ends of the substrate are provided with convex blocks, and the bottom surfaces of the convex blocks are provided with locking holes;
the locking piece includes the casing, the bottom that arc portion one end was kept away from to the casing setting on two guide rails indulges the rail portion, the bottom is fixed with hoist mechanism in the casing, hoist mechanism output end is fixed with the roof, roof top both sides all are fixed with a set of and locking hole complex locking lever.
Furthermore, the lead frame comprises a side plate, the side plate is fixed on the outer side of the top end of the suspension arm of the boat frame, a lead wheel is fixed on the outer side of the side plate, the lead wheel is an I-shaped wheel, a convex edge is arranged on the upper portion of the outer side of the side plate, and a lead sleeve is arranged at the bottom of the convex edge.
Furthermore, the steel cable penetrates through the wire sleeve and is connected with the wire sleeve in a sliding mode, horn openings are formed in the two ends of the wire sleeve, a straight rod is fixed on the peripheral side face of the wire sleeve, and the end portion of the straight rod is rotatably connected with the bottom of the convex edge.
Furthermore, the wire winding device further comprises a main controller, and the driving end of the wire winding device, the control end of the wire winding device brake and the driving end of the lifting mechanism are electrically connected with the main controller.
Further, the guide rail both ends all are equipped with the end plate, the base plate top is fixed with battery and inferior controller, inferior controller passes through bluetooth module or wiFi module and is connected with main control unit, the base plate both ends all are fixed with proximity switch, proximity switch and motor all are connected with inferior controller through electric/signal transmission line, proximity switch, inferior controller and motor all with battery electric connection.
Further, the shell is embedded and fixed on the bottom surface of the installation area of the lifeboat keel frame, and the shell is positioned right below the center of the lifeboat keel frame.
Further, a protective box is fixed to the top of the base plate, the storage battery and the secondary controller are both located in the protective box, a sealing opening is formed in the outer side of the protective box, and the sealing opening is opposite to a charging opening of the storage battery.
Furthermore, a transverse plate is fixed in the shell, a group of guide rods are fixed at the bottom of the top plate, and the guide rods and the output end of the lifting mechanism penetrate through the transverse plate and are in sliding connection with the transverse plate.
Further, the lifting mechanism is an air cylinder or an electric push rod or a hydraulic cylinder or a screw rod mechanism.
Furthermore, a protecting sleeve is fixed on the side face of the periphery of the steel cable and comprises a steel wire mesh layer, a base layer is arranged on the inner surface of the steel wire mesh layer, and an anti-corrosion lining and a wear-resistant layer are sequentially arranged on the outer surface of the steel wire mesh layer.
The invention has the following beneficial effects:
1. according to the invention, two guide rails are designed, the electric traveling towing line frame is designed to move along the guide rails, the towing line can be processed through the towing line frame, the lifeboat can be locked, space can be provided for moving out the lifeboat, the requirement on the stability of the lifeboat is met, meanwhile, the whole process is electrically operated, the use of workers is facilitated, and the use safety is improved.
2. The invention can be used for stably limiting the fixed positions of the two wire towing frames by designing the locking piece, ensures the strength and the tensile strength of the end part of the steel cable, and can ensure the tightening of the steel cable by matching with the wire winder, thereby improving the locking effect of the lifeboat.
3. According to the invention, through designing a novel wire dragging frame and a rotatable wire sleeve, efficient wire treatment can be carried out within a certain angle range, and meanwhile, the bell mouth can be used for protecting and guiding the corner of the steel cable, so that the position stability of the steel cable during movement is ensured.
Of course, it is not necessary for any product to practice the invention to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a locking device for a davit of a lifeboat of the present invention;
FIG. 2 is a schematic structural view of a guide rail;
FIG. 3 is a structural sectional view of the guide rail;
FIG. 4 is a schematic structural view of a wire pulling frame;
FIG. 5 is a schematic structural view of the locking member;
FIG. 6 is a structural cross-sectional view of the locking element;
FIG. 7 is a diagram illustrating a lead frame structure;
in the drawings, the reference numbers indicate the following list of parts:
1-steel cable, 2-lead frame, 3-locking piece, 4-guide rail, 5-stay frame, 201-side plate, 202-guide wheel, 203-convex edge, 204-guide sleeve, 205-bell mouth, 206-straight rod, 301-shell, 302-lifting mechanism, 303-top plate, 304-locking rod, 305-transverse plate, 306-guide rod, 401-transverse rail part, 402-longitudinal rail part, 403-arc part, 404-T-shaped main beam, 405-rack, 406-guide groove, 407-end plate, 501-base plate, 502-inverted U-shaped plate, 503-pin rod, 504-motor, 505-gear, 506-guide wheel, 507-lug, 508-locking hole and 509-protection box.
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.
Referring to fig. 1-6, the present invention is a locking device for a lifeboat davit, comprising a set of steel cables 1, a set of lead frames 2, a locking member 3, a set of guide rails 4 and two wire dragging frames 5 sliding on the guide rails 4, wherein one end of the steel cable 1 passes through the lead frames 2 and is provided with a wire collecting device;
the guide rails 4 comprise transverse rail parts 401 and longitudinal rail parts 402, arc-shaped parts 403 are arranged between the transverse rail parts 401 and the longitudinal rail parts 402, the two guide rails 4 are symmetrically arranged, the extending directions of the transverse rail parts 401 of the two guide rails 4 are opposite, and the longitudinal rail parts 402 on the two guide rails 4 are arranged in the middle of the boat davit in parallel;
the guide rail 4 comprises a T-shaped main beam 404, and a rack 405 and a guide groove 406 are respectively fixed on two sides of the vertical edge part of the T-shaped main beam 404;
the towing line frame 5 comprises a base plate 501, an inverted U-shaped plate 502 is fixed at the top of the base plate 501, a pin rod 503 is fixed at the top of the inverted U-shaped plate 502, and one end of the steel cable 1, which is far away from the take-up device, is fixed with the pin rod 503 through a lifting hook;
a motor 504 is fixed on one side of the top of the substrate 501, the output end of the motor 504 penetrates through the substrate 501 and is fixed with a gear 505, a guide wheel 506 is fixed on the bottom of the substrate 501 and positioned on one side of the gear 505, the guide wheel 506 is arranged in the guide groove 406 in a rolling manner, the gear 505 is positioned on the outer side of the rack 405 and is meshed with the rack 405, two ends of the substrate 501 are provided with convex blocks 507, and the bottom surfaces of the convex blocks 507 are provided with locking holes 508;
the locking member 3 comprises a housing 301, the housing 301 is disposed at the bottom of one end of the longitudinal rail portion 402 far away from the arc portion 403 on the two guide rails 4, a lifting mechanism 302 is fixed at the bottom in the housing 301, a top plate 303 is fixed at the output end of the lifting mechanism 302, and a group of locking rods 304 matched with the locking holes 508 are fixed on both sides of the top plate 303.
As shown in fig. 7, the lead frame 2 includes a side plate 201, the side plate 201 is fixed on the outer side of the top end of the boom of the boat hull, a guide wire wheel 202 is fixed on the outer side of the side plate 201, the guide wire wheel 202 is an i-shaped wheel, a convex edge 203 is arranged on the upper portion of the outer side of the side plate 201, and a guide wire sleeve 204 is arranged at the bottom of the convex edge 203.
As shown in fig. 7, the steel cable 1 penetrates through the wire sheath 204 and is slidably connected to the wire sheath 204, the two ends of the wire sheath 204 are both provided with a bell mouth 205, a straight rod 206 is fixed on the peripheral side of the wire sheath 204, and the end of the straight rod 206 is rotatably connected to the bottom of the convex edge 203.
The wire winding device further comprises a main controller, and the driving end of the wire winding device, the control end of the wire winding device brake and the driving end of the lifting mechanism 302 are electrically connected with the main controller.
As shown in fig. 1-2, end plates 407 are disposed at two ends of the guide rail 4, a storage battery and a secondary controller are fixed on the top of the substrate 501, the secondary controller is connected to the main controller through a bluetooth module or a WiFi module, proximity switches are fixed at two ends of the substrate 501, the proximity switches and the motor 504 are connected to the secondary controller through an electrical/signal transmission line, and the proximity switches, the secondary controller and the motor 504 are electrically connected to the storage battery.
Wherein, the shell 301 is embedded and fixed on the bottom surface of the installation area of the lifeboat keel frame, and the shell 301 is positioned right below the center of the lifeboat keel frame.
As shown in fig. 4, a protective box 509 is fixed on the top of the substrate 501, the storage battery and the secondary controller are both located in the protective box 509, and a sealing port is arranged on the outer side of the protective box 509 and is opposite to a charging port of the storage battery.
As shown in fig. 6, a horizontal plate 305 is fixed in the housing 301, a set of guide rods 306 is fixed at the bottom of the top plate 303, and the guide rods 306 and the output end of the lifting mechanism 302 both penetrate through the horizontal plate 305 and are slidably connected with the horizontal plate 305.
Wherein, the lifting mechanism 302 is a cylinder or an electric push rod or a hydraulic cylinder or a screw rod mechanism.
Wherein, 1 week side of cable wire is fixed with the lag, and the lag includes the steel wire netting layer, and the steel wire netting layer internal surface is equipped with the basic unit, and the steel wire netting layer surface is equipped with anticorrosive inside lining and wearing layer in proper order.
The working principle of the invention is as follows:
when the lifeboat is hoisted and returned, the lifeboat is started through a switch control device of the main controller, the main controller transmits a signal to the secondary controller, the secondary controller controls the motor 504 to operate to rotate so as to realize the rotation of the gear 505, the stay rack 5 is driven to move from the transverse rail part 401 to the longitudinal rail part 402 along the guide rail 4, meanwhile, the wire rewinding devices synchronously operate, the stay rack 5 can pull one end of the steel cable 1 to move along the guide rail 4 and pull the steel cable 1 from the top of one side of the lifeboat to the center of the bottom of the lifeboat, and the two steel cables 1 can be wound outside the lifeboat in a splayed shape;
when the proximity switch at the tail end of the wire dragging frame 5 is close to the end plate 407 at the end of the longitudinal rail part 402, a signal is transmitted to the secondary controller, the secondary controller controls the motor 504 to stop running and transmits a signal to the main controller, and the main controller controls the lifting mechanism 302 to lift, so that the top plate 303 is driven to lift to drive the locking rods 304 to penetrate into the locking holes 508 on the two wire dragging frames 5, and the positions of the wire dragging frames 5 can be locked.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. The utility model provides a locking device for lifeboat keel block, includes a set of cable wire (1) and a set of lead frame (2), lead frame (2) are passed and the spooler is equipped with, its characterized in that to cable wire (1) one end: the device also comprises a locking piece (3), a group of guide rails (4) and two wire dragging frames (5) sliding on the guide rails (4);
the guide rails (4) comprise transverse rail parts (401) and longitudinal rail parts (402), arc-shaped parts (403) are arranged between the transverse rail parts (401) and the longitudinal rail parts (402), the two guide rails (4) are symmetrically arranged, the extending directions of the transverse rail parts (401) of the two guide rails (4) are opposite, and the longitudinal rail parts (402) on the two guide rails (4) are arranged in the middle of the position right below the boat davit in parallel;
the guide rail (4) comprises a T-shaped main beam (404), and a rack (405) and a guide groove (406) are respectively fixed on two sides of the vertical edge part of the T-shaped main beam (404);
the wire dragging frame (5) comprises a base plate (501), an inverted U-shaped plate (502) is fixed to the top of the base plate (501), a pin rod (503) is fixed to the top of the inverted U-shaped plate (502), and one end, far away from the wire winding device, of the steel cable (1) is fixed to the pin rod (503) through a hook;
a motor (504) is fixed on one side of the top of the substrate (501), the output end of the motor (504) penetrates through the substrate (501) and is fixed with a gear (505), a guide wheel (506) is fixed on one side, located on one side of the gear (505), of the bottom of the substrate (501), the guide wheel (506) is arranged in a guide groove (406) in a rolling mode, the gear (505) is located on the outer side of the rack (405) and is meshed with the rack (405), protruding blocks (507) are arranged at two ends of the substrate (501), and locking holes (508) are formed in the bottom surfaces of the protruding blocks (507);
locking piece (3) include casing (301), casing (301) set up on two guide rails (4) vertical rail portion (402) keep away from the bottom of arc portion (403) one end, the bottom is fixed with hoist mechanism (302) in casing (301), hoist mechanism (302) output end is fixed with roof (303), roof (303) top both sides all are fixed with a set of locking lever (304) with locking hole (508) complex.
2. The locking device for the keel block of the lifeboat according to claim 1, wherein said wire frame (2) comprises a side plate (201), said side plate (201) is fixed on the outer side of the top end of the keel block boom, a wire guide wheel (202) is fixed on the outer side of said side plate (201), said wire guide wheel (202) is a spool, a convex edge (203) is arranged on the upper portion of the outer side of said side plate (201), and a wire guide sleeve (204) is arranged on the bottom of said convex edge (203).
3. A locking device for a lifeboat davit according to claim 2 wherein said steel cable (1) passes through a wire guide sleeve (204) and is slidably connected to said wire guide sleeve (204), said wire guide sleeve (204) having a flared mouth (205) at each end, said wire guide sleeve (204) having a straight rod (206) fixed to the peripheral side, said straight rod (206) having its end rotatably connected to the bottom of said flange (203).
4. A locking device for a lifeboat keel block according to claim 1 further comprising a master controller, wherein the driving end of the wire winder, the control end of the wire winder brake, and the driving end of the lifting mechanism (302) are all electrically connected to the master controller.
5. A locking device for lifeboat keel block according to claim 4, wherein said guide rail (4) has end plates (407) at both ends, said base plate (501) has a battery and a secondary controller fixed on top of it, said secondary controller is connected to the main controller through Bluetooth module or WiFi module, said base plate (501) has proximity switches fixed on both ends, said proximity switches and motor (504) are connected to the secondary controller through electric/signal transmission lines, and said proximity switches, secondary controller and motor (504) are electrically connected to the battery.
6. A locking device for a lifeboat keel block according to claim 1, wherein said housing (301) is embedded and fixed on the bottom surface of the installation area of the lifeboat keel block, said housing (301) being located directly below the center of the lifeboat keel block.
7. A locking device for a lifeboat davit according to claim 5 wherein a protective box (509) is fixed on top of the base plate (501), the battery and the secondary controller are located in the protective box (509), and a sealing port is provided on the outside of the protective box (509) opposite to the charging port of the battery.
8. A locking device for a lifeboat davit according to claim 1 wherein a cross plate (305) is fixed inside the housing (301), a set of guide rods (306) is fixed to the bottom of the top plate (303), the guide rods (306) and the output end of the lifting mechanism (302) both extend through the cross plate (305) and are slidably connected to the cross plate (305).
9. A locking device for a lifeboat keel block according to claim 1 wherein said lifting mechanism (302) is an air cylinder or an electric push rod or a hydraulic cylinder or a screw mechanism.
10. The locking device for the keel block of the lifeboat according to claim 1, wherein a protecting jacket is fixed on the peripheral side surface of the steel cable (1), the protecting jacket comprises a steel wire mesh layer, a base layer is arranged on the inner surface of the steel wire mesh layer, and an anticorrosive lining and a wear-resistant layer are sequentially arranged on the outer surface of the steel wire mesh layer.
CN202210379192.6A 2022-04-12 2022-04-12 Locking device for lifeboat keel block Active CN114655362B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210379192.6A CN114655362B (en) 2022-04-12 2022-04-12 Locking device for lifeboat keel block

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210379192.6A CN114655362B (en) 2022-04-12 2022-04-12 Locking device for lifeboat keel block

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CN114655362A CN114655362A (en) 2022-06-24
CN114655362B true CN114655362B (en) 2023-03-24

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190921629A (en) * 1909-09-22 1910-09-08 Axel Welin Improvements in Gear for Securing Ships' Boats.
NO162450C (en) * 1987-06-01 1990-01-03 Harding Safety As WASTE DEVICE FOR FALL DAVITS.
IT1397590B1 (en) * 2009-12-21 2013-01-16 Bg Safe S R L LIFTING SYSTEM AND THE AMMAIN OF A RESCUE LANCE EQUIPPED WITH AN ANTI-FALL DEVICE.
CN206243392U (en) * 2016-11-13 2017-06-13 无锡晟欧船舶设备有限公司 A kind of lifeboat lowering or hoisting gear
CN208233300U (en) * 2018-04-13 2018-12-14 中山华斯曼利设备制造有限公司 A kind of novel keel block
CN210063304U (en) * 2019-04-08 2020-02-14 无锡晟欧船舶设备有限公司 Prevent rocking gravity arm-falling formula boat davit

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