CN117963747A - Offshore lifesaving equipment throwing device, sliding rail mechanism thereof and use method thereof - Google Patents

Abstract

The invention relates to the technical field of life-saving equipment, and particularly discloses a device for throwing marine life-saving equipment, a sliding rail mechanism thereof and a using method thereof. Comprises a lifting assembly for lifting the life-saving equipment; the stable rail assembly is positioned beside the lifting assembly, and one end of the stable rail assembly is used for being connected with an external platform; the brake assembly is positioned at the sliding rail end of the stable rail assembly and is used for blocking the unexpected falling life-saving equipment on the stable rail assembly; the lifting assembly comprises a cantilever assembly and an electromagnet hook assembly, the output end of the cantilever assembly is connected with the top of the electromagnet hook assembly, the top of the supporting table is rotationally connected with the cantilever steel cable wheel through a hinging seat, and the inner walls of shaft holes of the two groups of cantilever steel cable wheels are fixedly connected with the side wall of the first connecting shaft. According to the invention, the lifesaving equipment is fixed on the electromagnet hook assembly, and the cantilever assembly of the hoisting assembly moves the electromagnet hook assembly to the position above the stable track assembly.

Description

Offshore lifesaving equipment throwing device, sliding rail mechanism thereof and use method thereof

Technical Field

The invention relates to the technical field of life-saving equipment, in particular to a device for throwing marine life-saving equipment, a sliding rail mechanism thereof and a using method thereof.

Background

The offshore wind power booster station is a working platform for realizing offshore power transmission and transformation, and the platform is provided with corresponding life-saving equipment, including a life boat, an inflatable life raft and the like; when the lifeboat is put in, the lifeboat needs to be hung by using a hook to drop, and the lifeboat needs to be slowly dropped to be prevented from shaking.

The invention discloses a life-saving boat lifting device for a ship, which is characterized in that a bidirectional telescopic arm is used for expanding a pushing block towards two sides, the pushing block drives two pull ropes on one side of the life-saving boat, and the pull ropes are expanded outwards and tightened, so that the life-saving boat is not easy to shake.

However, the whole shaking of the lifeboat can not be prevented in strong wind weather; and two groups of stay ropes are fixed on the left side and the right side of the lifeboat, and are manually unhooked, so that the lifeboat is inconvenient to put in the case of poor sea conditions.

Based on the above, the invention designs the offshore lifesaving equipment throwing device, the sliding rail mechanism and the using method thereof to solve the problems.

Disclosure of Invention

The invention provides the following scheme:

the first aspect of the invention relates to a sliding rail mechanism, which comprises a rail bracket, a sliding block, a pulley, a connecting plate, an arc-shaped plate and a sliding rail; the track bracket is arranged on the front side wall of the bottom plate, and the rear side wall of the track bracket is fixedly connected with the external platform; the inner side wall of the track bracket is fixedly connected with the outer side wall of the slide rail; the sliding block consists of a U-shaped side plate and a bottom plate, and a plurality of groups of pulleys are symmetrically connected to the side wall of the opening at the outer end of the side plate; the pulleys are all rotationally connected with the sliding blocks through hinging seats, and the side walls of the sliding blocks are vertically and rollingly connected with the inner walls of the grooves of the sliding rails; the inner bottom of the sliding block is fixedly connected with the bottom of the track steel cable; the lower end of the inner end side wall of the sliding block is fixedly connected with the upper end of the outer end side wall of the connecting plate; arc plates are symmetrically arranged on the inner side walls of the connecting plates in a front-back mode, and the left end and the right end of each arc plate are fixedly connected with the inner side walls of the left connecting plate and the right connecting plate respectively; the inner side wall of the slide rail is connected with the fixed end of the brake assembly, and the inner wall of the slide block of the slide rail is connected with the movable end of the brake assembly.

A second aspect of the present invention relates to a marine life saving equipment delivery device comprising

The lifting assembly is used for lifting the life-saving equipment;

The stable rail assembly is positioned beside the lifting assembly, and one end of the stable rail assembly is used for being connected with an external platform;

The brake assembly is positioned at the sliding rail end of the stable rail assembly and is used for blocking the lifesaving appliance which falls accidentally on the stable rail assembly;

The lifting assembly comprises a cantilever assembly and an electromagnet hook assembly, the output end of the cantilever assembly is connected with the top of the electromagnet hook assembly, the top of the supporting table is rotationally connected with the cantilever steel cable wheel through a hinging seat, and the inner walls of shaft holes of two groups of cantilever steel cable wheels are fixedly connected with the side wall of the first connecting shaft; the top of the supporting table positioned at the left side is fixedly connected with the bottom of the cantilever motor, and the output end of the cantilever motor is fixedly connected with the left end of the first connecting shaft; one end of the cantilever steel cable is wound on the cantilever steel cable wheel, and the other end of the cantilever steel cable is connected with the top of the electromagnet hook component; the side wall of the cantilever steel cable is sequentially connected with the side walls of the first fixed pulley and the second fixed pulley in a rolling way from back to front.

In some aspects, the support table of the cantilever assembly is located on the rear side of the support frame; the support frame is composed of two groups of vertical support rods and two groups of inclined support rods, the upper ends of the side walls of the vertical support rods of the support frame are rotationally connected with the first fixed pulleys through rotating shafts, and the lower ends of the side walls of the vertical support rods of the support frame are rotationally connected with the lower ends of the cantilevers; the upper end and the lower end of the side wall of the inclined supporting rod of the supporting frame are fixedly connected with the two ends of the upper limiting rod and the lower limiting rod respectively; the cantilever is positioned between the upper limiting rod and the lower limiting rod, the tail end of the cantilever is provided with a groove, and the inner wall of the groove at the tail end of the cantilever is rotationally connected with the second fixed pulley through a rotating shaft.

In some aspects, the electromagnet hook assembly comprises an electromagnet chuck, an iron plate, a hook, and a wire rope stop lever; the front end of the cantilever steel cable is fixedly connected with the top of the steel cable limiting rod; the bottom of the steel cable limiting rod is fixedly connected with the top of the electromagnetic chuck through a short rope; the bottom of the electromagnetic chuck is magnetically connected with the top of the iron disc; the bottom of the iron plate is rotationally connected with the hook through a hinging seat.

In some aspects, the top diameter of the iron plate is smaller than the bottom diameter of the electromagnetic chuck; the stabilizing rail assembly includes a drive assembly and a slide rail assembly.

In some aspects, the drive end of the drive assembly is connected to the top of the base plate, and the top of the cantilever assembly is connected to the pulley end of the drive assembly; the cable end of the driving assembly is connected with the movable end of the sliding rail assembly, and the cable end of the driving assembly is connected with the brake assembly; the front side wall of the bottom plate is connected with the upper end of the sliding rail assembly, and the rear end of the sliding rail assembly is connected with the external platform; and a brake assembly is arranged on the sliding rail assembly.

In some aspects, the slide assembly is the slide mechanism described above.

In some modes, the left-view cross section formed by combining the two groups of arc plates is funnel-shaped with wide upper part and narrow lower part.

In some aspects, the brake assembly includes a cam, a stop lever, a tension spring, and a rack; the inner end side wall of the sliding rail is fixedly connected with the outer end side wall of the rack, and the tooth end of the rack faces backwards; the cam is rotationally connected with the inner wall of the rear end of the sliding block through a rotating shaft; the upper end and the lower end of the tension spring are respectively fixedly connected with the upper end of the inner wall of the outer end of the sliding block and the upper end of the rear side wall of the cam; the middle end of the front side wall of the tension spring is fixedly connected with the rear end of the limit rod; the lateral wall of the limiting rod is connected with the lateral wall of the track steel cable in a contact way.

A third aspect of the invention relates to a method of using an offshore rescue equipment delivery device, comprising the steps of:

S1: the rescue equipment such as a rescue boat is fixed on the hook, the cantilever motor is started to drive the first connecting shaft to rotate, and the first connecting shaft drives the two groups of cantilever steel cable wheels to rotate to release the cantilever steel cable; the cantilever rotates downwards, and the top of the cantilever is separated from the upper limiting rod; until the bottom of the cantilever contacts with the side wall of the lower limiting rod, the cantilever stops rotating, and the electromagnetic chuck is positioned above the arc plate; continuously releasing the cantilever steel cable, separating the bottom of the front end of the cantilever from the side wall of the steel cable limiting rod, vertically dropping the electromagnetic chuck, and placing life-saving equipment such as a lifeboat and the like on the arc-shaped plate;

S2: the track motor is started to drive the second connecting shaft to rotate, and simultaneously drive the two groups of track steel cable wheels to rotate, so as to release the track steel cable; the sliding block descends under the gravity, the pulley rolls downwards along the sliding rail, the arc plate descends vertically until the life-saving equipment contacts the water surface, the electromagnetic chuck is powered off, and the iron plate is separated from the electromagnetic chuck to finish throwing;

S3: when the lifeboat is recovered, the lifeboat is stopped in the middle of the track bracket, the electromagnetic chuck is electrified, an operator adsorbs an iron disc fixed on the lifeboat on the electromagnetic chuck, the cantilever motor is started, the cantilever steel cable is wound up, the cantilever steel cable is tightened, at the moment, the track motor is started, the arc plate below the water surface moves upwards, and the lifeboat is supported to move upwards; when the steel cable limiting rod contacts the bottom of the tail end of the cantilever, the cantilever rotates inwards until the steel cable limiting rod contacts the upper limiting rod to stop, and the lifeboat is pulled back to the platform.

The beneficial effects of the invention are as follows:

According to the invention, the lifesaving equipment is fixed on the electromagnet hook assembly, and the cantilever assembly of the hoisting assembly moves the electromagnet hook assembly to the upper part of the stable track assembly; then, the suspension arm assembly is used for placing life-saving equipment such as a lifeboat and the like at the movable end of the stable rail assembly, the life-saving equipment moves downwards under the support of the stable rail assembly and finally reaches the water surface, and at the moment, the electromagnet hook assembly is powered off to separate and unhook, so that the throwing is completed; the unhooking device does not need to be unhooked manually after being released to the water surface, reduces the unhooking difficulty of the device when the sea condition is poor, and simultaneously accelerates the unhooking speed.

According to the invention, the cantilever steel cable can be prevented from shaking caused by strong wind through the support of the arc-shaped plate, and the collision risk caused by strong wind can be prevented; the shape of the two groups of arc plates is a funnel shape with wide upper part and narrow lower part, and the two groups of arc plates can play a role in fixing and supporting the arc bottom surface of the lifeboat or the cylindrical inflatable liferaft, thereby being convenient for throwing and recycling; when the track steel cable is accidentally broken through the cam, the sliding block cannot fall downwards due to gravity, so that the safety can be improved when people carrying life-saving equipment is transported, and casualties caused by unexpected situations are prevented.

Drawings

FIG. 1 is a perspective view of a main structure of the present invention;

FIG. 2 is a front view of the structure of the dispensing device of the present invention;

FIG. 3 is a perspective view of a main structure of the present invention;

FIG. 4 is a cross-sectional view taken along the direction A-A of FIG. 2;

FIG. 5 is a cross-sectional view taken along the B-B direction of FIG. 2;

FIG. 6 is an enlarged view at C in FIG. 3;

FIG. 7 is an enlarged view of FIG. 4 at D;

fig. 8 is an enlarged view at E in fig. 5.

In the figure:

1. A bottom plate; 2. a lifting assembly; 21. a cantilever assembly; 211. a support frame; 212. an upper limit rod; 213. a lower limit rod; 214. a cantilever; 215. a first fixed pulley; 216. a second fixed pulley; 217. cantilever steel rope; 218. a cantilever motor; 219. a first connecting shaft; 2110. cantilever steel cable wheel; 2111. a support table; 22. an electromagnet hook assembly; 221. an electromagnetic chuck; 222. an iron plate; 223. a hook; 224. a wire rope limit rod; 3. a stabilizing rail assembly; 31. a drive assembly; 311. a track motor; 312. a track wire rope; 313. rail steel rope wheels; 314. a third fixed pulley; 315. a second connecting shaft; 32. a slide rail assembly; 321. a track bracket; 322. a slide block; 323. a pulley; 324. a connecting plate; 325. an arc-shaped plate; 326. a slide rail; 4. a brake assembly; 41. a cam; 42. a limit rod; 43. a tension spring; 44. a rack.

Detailed Description

The invention is further described below with reference to examples.

An offshore lifesaving equipment throwing device, as shown in fig. 1, includes a base plate 1;

A lifting assembly 2 for lifting a lifeboat or a liferaft is arranged on the top of the bottom plate 1;

The front side wall of the bottom plate 1 is connected with the upper end of a stable rail assembly 3 for bearing life-saving equipment;

the slide rail end of the stable rail assembly 3 is connected with a brake assembly 4 for preventing the lifesaving equipment from falling accidentally;

The bottom of the base plate 1 and the rear end of the stabilizing rail assembly 3 are connected to an external platform.

As shown in fig. 2, the lifting assembly 2 includes a cantilever assembly 21 and an electromagnet hook assembly 22; the top of the bottom plate 1 is connected with the bottom of the cantilever assembly 21; the output end of the cantilever assembly 21 is connected with the top of the electromagnet hook assembly 22.

As shown in fig. 3, the cantilever assembly 21 includes a supporting frame 211, an upper limit lever 212, a lower limit lever 213, a cantilever 214, a first fixed pulley 215, a second fixed pulley 216, a cantilever cable 217, a cantilever motor 218, a first connecting shaft 219, a cantilever cable wheel 2110, and a supporting table 2111; the top of the bottom plate 1 is symmetrically provided with a supporting frame 211 and a supporting table 2111, and the supporting table 2111 is positioned at the rear side of the supporting frame 211; the top of the bottom plate 1 is fixedly connected with the bottom of the supporting frame 211 and the bottom of the supporting table 2111; the supporting frame 211 consists of two groups of vertical supporting rods and two groups of inclined supporting rods, the upper ends of the side walls of the vertical supporting rods of the supporting frame 211 are rotationally connected with the first fixed pulleys 215 through rotating shafts, and the lower ends of the side walls of the vertical supporting rods of the supporting frame 211 are rotationally connected with the lower ends of the cantilevers 214; the upper and lower ends of the side wall of the inclined supporting rod of the supporting frame 211 are fixedly connected with two ends of an upper limiting rod 212 and a lower limiting rod 213 respectively; the cantilever 214 is positioned between the upper limit rod 212 and the lower limit rod 213, the tail end of the cantilever 214 is provided with a groove, and the inner wall of the groove at the tail end of the cantilever 214 is rotationally connected with the second fixed pulley 216 through a rotating shaft; the top of the supporting table 2111 is rotationally connected with the cantilever steel cable wheels 2110 through hinge seats, and the inner walls of the shaft holes of the two groups of cantilever steel cable wheels 2110 are fixedly connected with the side wall of the first connecting shaft 219; the top of the supporting table 2111 at the left side is fixedly connected with the bottom of the cantilever motor 218, and the output end of the cantilever motor 218 is fixedly connected with the left end of the first connecting shaft 219; one end of the cantilever steel cable 217 is wound on the cantilever steel cable wheel 2110, and the other end is connected with the top of the electromagnet hook assembly 22; the side walls of the cantilever cable 217 are connected in rolling relation with the side walls of the first fixed pulley 215 and the second fixed pulley 216 in turn from back to front.

The electromagnet hook assembly 22 comprises an electromagnetic chuck 221, an iron plate 222, a hook 223 and a steel cable limiting rod 224; the front end of the cantilever steel cable 217 is fixedly connected with the top of the steel cable stop lever 224; the bottom of the steel cable limiting rod 224 is fixedly connected with the top of the electromagnetic chuck 221 through a short rope; the bottom of the electromagnetic chuck 221 is magnetically connected with the top of the iron plate 222; the bottom of the iron plate 222 is rotatably connected with the hook 223 through a hinge seat.

Preferably, the top diameter of the iron plate 222 is smaller than the bottom diameter of the electromagnetic chuck 221.

When the device works, in a retracted state, the top of the cantilever 214 of the cantilever assembly 21 of the lifting assembly 2 is contacted with the side wall of the upper limit rod 212, and the bottom of the front end of the cantilever 214 is contacted with the side wall of the steel rope limit rod 224 of the electromagnet hook assembly 22; fixing life-saving equipment such as a life boat and the like on the hook 223, starting the cantilever motor 218, driving the first connecting shaft 219 to rotate, and driving the two groups of cantilever steel cable wheels 2110 to rotate by the first connecting shaft 219 to release the cantilever steel cable 217; cantilever 214 rotates downward, the top of cantilever 214 is separated from upper stop bar 212; until the bottom of the cantilever 214 contacts with the side wall of the lower limit rod 213, the cantilever 214 stops rotating, and the electromagnetic chuck 221 is positioned above the stable rail assembly 3; continuing to release the cantilever steel cable 217, separating the bottom of the front end of the cantilever 214 from the side wall of the steel cable limiting rod 224, vertically dropping the electromagnetic chuck 221, and placing life-saving equipment such as a lifeboat and the like at the movable end of the stable track assembly 3; at this time, the cantilever steel cable 217 is continuously released, the life-saving equipment moves downwards under the support of the stable track assembly 3 and finally reaches the water surface, at this time, the electromagnetic chuck 221 is powered off, and the iron plate 222 is separated from the electromagnetic chuck 221, so that the throwing is completed; the lower limiting rod 213 and the steel cable limiting rod 224 limit the position, so that the device rotates the cantilever 214 to hover the life-saving equipment outside the platform and then vertically drop down, thereby facilitating the installation and fixation of the life-saving equipment on the platform; the electromagnetic chuck 221 and the iron plate 222 are used for magnetically attracting and lifting the lifesaving equipment, after the lifesaving equipment is released to the water surface, manual unhooking is not needed, unhooking difficulty of the equipment in poor sea conditions is reduced, and unhooking speed is increased.

In terms of a specific application form of the stable rail assembly according to the present invention, it may be selected from any one of the following:

The stable rail assembly 3 comprises a driving assembly 31 and a sliding rail assembly 32; the top of the bottom plate 1 is connected with the driving end of the driving assembly 31, and the top of the cantilever assembly 21 is connected with the pulley end of the driving assembly 31; the guy cable end of the driving assembly 31 is connected with the movable end of the sliding rail assembly 32, and the guy cable end of the driving assembly 31 is connected with the brake assembly 4; the front side wall of the bottom plate 1 is connected with the upper end of the sliding rail assembly 32, and the rear end of the sliding rail assembly 32 is connected with an external platform; the slide rail assembly 32 has a brake assembly 4 mounted thereon.

As shown in fig. 4, the driving assembly 31 includes a rail motor 311, a rail wire rope 312, a rail wire rope wheel 313, a third fixed pulley 314, and a second connecting shaft 315; the top of the bottom plate 1 is symmetrically provided with rail steel cable wheels 313, and the top of the bottom plate 1 is rotationally connected with the rail steel cable wheels 313 through a hinging seat; the inner walls of the shaft holes of the two groups of track steel cable wheels 313 are fixedly connected with the side wall of the second connecting shaft 315; the top of the bottom plate 1 is fixedly connected with the bottom of the track motor 311; the output end of the track motor 311 is fixedly connected with the left end of the second connecting shaft 315; the top of the bracket end of the sliding rail assembly 32 is connected with a third fixed pulley 314; one end of the rail wire rope 312 is wound on the rail wire rope wheel 313, and the other end is connected with the movable end of the sliding rail assembly 32; the side wall of the track cable 312 is in rolling connection with the side wall of the third fixed pulley 314, and the side wall of the track cable 312 is connected with the brake assembly 4.

As shown in fig. 7-8, the sliding rail assembly 32 includes a rail bracket 321, a slider 322, a pulley 323, a connecting plate 324, an arc 325, and a sliding rail 326; the front side wall of the bottom plate 1 is symmetrically provided with a track bracket 321, the front side wall of the bottom plate 1 is fixedly connected with the upper end of the rear side wall of the track bracket 321, and the rear side wall of the track bracket 321 is fixedly connected with an external platform; the inner side wall of the track bracket 321 is fixedly connected with the outer side wall of the sliding rail 326; the sliding block 322 consists of a U-shaped side plate and a bottom plate, and a plurality of groups of pulleys 323 are symmetrically connected to the side wall of the opening at the outer end of the side plate; the pulleys 323 are all rotatably connected with the sliding blocks 322 through hinging seats, and the side walls of the sliding blocks 322 are vertically and rotatably connected with the inner walls of the grooves of the sliding rails 326; the inner bottom of the slider 322 is fixedly connected with the bottom of the track cable 312; the lower end of the inner side wall of the sliding block 322 is fixedly connected with the upper end of the outer side wall of the connecting plate 324; arc plates 325 are symmetrically arranged on the inner side walls of the connecting plates 324 in a front-back manner, and the left and right ends of the two groups of arc plates 325 are fixedly connected with the inner side walls of the left and right groups of connecting plates 324 respectively; the inner side wall of the sliding rail 326 is connected with the fixed end of the brake assembly 4, and the inner wall of the sliding block 322 of the sliding rail 326 is connected with the movable end of the brake assembly 4.

Preferably, the shape of the left-hand cross section formed by combining the two groups of arc plates 325 is a funnel shape with a wider upper part and a narrower lower part.

When the device works, when the life saving equipment is placed on the arc plate 325 of the sliding rail component 32 of the stable rail component 3, the rail motor 311 of the driving component 31 is started to drive the second connecting shaft 315 to rotate, and simultaneously drive the two groups of rail steel cable wheels 313 to rotate to release the rail steel cable 312; the sliding block 322 descends under the gravity, the pulley 323 rolls downwards along the sliding rail 326, the arc plate 325 descends vertically until the life-saving equipment contacts the water surface and unhooks, and the throwing is completed; for manned life-saving equipment such as a life-saving boat and the like which needs to be recovered, when the life-saving boat is parked in the middle of a track bracket 321, an electromagnetic chuck 221 of an electromagnet hook assembly 22 of a lifting assembly 2 is electrified, an operator adsorbs an iron disc 222 fixed on the life-saving boat on the electromagnetic chuck 221, a cantilever motor 218 of a cantilever assembly 21 is started, a cantilever steel cable 217 is wound to tighten the cantilever steel cable 217, at the moment, the track motor 311 is started, an arc plate 325 below the water surface moves upwards, and the life-saving boat is supported to move upwards; when the cable stop lever 224 contacts the bottom end of the cantilever 214, the cantilever 214 rotates inward until it contacts the upper stop lever 212, thereby pulling the lifeboat back onto the platform; the cantilever steel rope 217 is prevented from shaking due to strong wind by the support of the arc plate 325, and the risk of collision due to strong wind can be prevented; the two groups of arc plates 325 are spliced to form a funnel shape with wide upper part and narrow lower part, and can play a role in fixing and supporting the arc bottom surface of the lifeboat or the cylindrical inflatable liferaft, thereby being convenient for throwing and recycling.

In terms of the specific application form of the brake assembly 4 according to the present invention, it may be any one of the following:

As shown in fig. 8, the brake assembly 4 includes a cam 41, a stopper rod 42, a tension spring 43, and a rack 44; the inner side wall of the sliding rail 326 is fixedly connected with the outer side wall of the rack 44, and the tooth end of the rack 44 faces backwards; the cam 41 is rotationally connected with the inner wall of the rear end of the sliding block 322 through a rotating shaft; the upper and lower ends of the tension spring 43 are fixedly connected with the upper end of the inner wall of the outer end of the sliding block 322 and the upper end of the rear side wall of the cam 41 respectively; the middle end of the front side wall of the tension spring 43 is fixedly connected with the rear end of the limiting rod 42; the side wall of the stop lever 42 is in contact with the side wall of the track cable 312.

When the device works, the rail steel cable 312 of the driving assembly 31 of the stable rail assembly 3 is in a straightened state, the limiting rod 42 of the brake assembly 4 is tightly attached to the side wall of the rail steel cable 312, the cam 41 is not contacted with the rack 44 at the moment, and the device can move freely; when the track cable 312 is broken accidentally, the track cable 312 does not straighten the blocking limiting rod 42 any more, the tension spring 43 pulls the cam 41 to tilt towards the outer end, the outer end of the cam 41 is clamped between the two, and the inner end of the cam 41 is contacted with the inner wall of the inner end of the sliding block 322 of the sliding rail assembly 32; the cam 41 cannot rotate, so that the sliding block 322 is clamped, and the sliding block 322 is prevented from continuing to fall; after the track cable 312 is replaced or repaired, the track cable 312 is pulled upwards to drive the cam 41 to rotate towards the inner end, so that the unlocking can be realized; when the track steel cable 312 is broken accidentally by the cam 41, the sliding block 322 cannot fall downwards due to gravity, so that the safety can be improved and the casualties caused by unexpected situations can be prevented when the manned life-saving equipment is transported.

The following describes a method for using the offshore lifesaving equipment throwing device specifically, and the method comprises the following steps:

S1: fixing life-saving equipment such as a life boat and the like on the hook 223, starting the cantilever motor 218, driving the first connecting shaft 219 to rotate, and driving the two groups of cantilever steel cable wheels 2110 to rotate by the first connecting shaft 219 to release the cantilever steel cable 217; cantilever 214 rotates downward, the top of cantilever 214 is separated from upper stop bar 212; until the bottom of the cantilever 214 contacts the side wall of the lower limit rod 213, the cantilever 214 stops rotating, and the electromagnetic chuck 221 is positioned above the arc plate 325; continuing to release the cantilever steel cable 217, separating the bottom of the front end of the cantilever 214 from the side wall of the steel cable stop lever 224, vertically dropping the electromagnetic chuck 221, and placing life-saving equipment such as a lifeboat on the arc plate 325;

S2: the track motor 311 is started to drive the second connecting shaft 315 to rotate, and simultaneously drive the two groups of track steel cable wheels 313 to rotate, so as to release the track steel cable 312; the sliding block 322 descends under the gravity, the pulley 323 rolls downwards along the sliding rail 326, the arc plate 325 descends vertically until the life-saving equipment contacts the water surface, the electromagnetic chuck 221 is powered off, and the iron plate 222 is separated from the electromagnetic chuck 221, so that the throwing is completed;

S3: when the lifeboat is recovered, the lifeboat is stopped in the middle of the track bracket 321, the electromagnetic chuck 221 is electrified, an operator adsorbs the iron plate 222 fixed on the lifeboat on the electromagnetic chuck 221, the cantilever motor 218 is started, the cantilever steel cable 217 is wound up, the cantilever steel cable 217 is tightened, the track motor 311 is started at the moment, the arc plate 325 below the water surface moves upwards, and the lifeboat is supported to move upwards; when the cable stop lever 224 contacts the bottom of the distal end of the cantilever 214, the cantilever 214 rotates inward until it comes to rest against the upper stop lever 212, pulling the lifeboat back onto the platform.

The slide rail mechanism of the present invention, as shown in fig. 4 to 8, comprises a rail bracket 321, a slider 322, a pulley 323, a connecting plate 324, an arc plate 325 and a slide rail 326; the track bracket 321 is arranged on the front side wall of the bottom plate 1, and the rear side wall of the track bracket 321 is fixedly connected with an external platform; the inner side wall of the track bracket 321 is fixedly connected with the outer side wall of the sliding rail 326; the sliding block 322 consists of a U-shaped side plate and a bottom plate, and a plurality of groups of pulleys 323 are symmetrically connected to the side wall of the opening at the outer end of the side plate; the pulleys 323 are all rotatably connected with the sliding blocks 322 through hinging seats, and the side walls of the sliding blocks 322 are vertically and rotatably connected with the inner walls of the grooves of the sliding rails 326; the inner bottom of the slider 322 is fixedly connected with the bottom of the track cable 312; the lower end of the inner side wall of the sliding block 322 is fixedly connected with the upper end of the outer side wall of the connecting plate 324; arc plates 325 are symmetrically arranged on the inner side walls of the connecting plates 324 in a front-back manner, and the left and right ends of the two groups of arc plates 325 are fixedly connected with the inner side walls of the left and right groups of connecting plates 324 respectively; the inner side wall of the sliding rail 326 is connected with the fixed end of the brake assembly 4, and the inner wall of the sliding block 322 of the sliding rail 326 is connected with the movable end of the brake assembly 4.

It will be apparent to those skilled in the art that various modifications to the above embodiments may be made without departing from the general spirit and concepts of the invention. Which fall within the scope of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims (10)

1. The sliding rail mechanism is characterized by comprising a rail bracket (321), a sliding block (322), a pulley (323), a connecting plate (324), an arc plate (325) and a sliding rail (326); the track support (321) is arranged on the front side wall of the bottom plate (1), and the rear side wall of the track support (321) is fixedly connected with the external platform; the inner side wall of the track bracket (321) is fixedly connected with the outer side wall of the slide rail (326); the sliding block (322) consists of a U-shaped side plate and a bottom plate, and a plurality of groups of pulleys (323) are symmetrically connected to the side wall of the opening at the outer end of the side plate; the pulleys (323) are all in rotary connection with the sliding blocks (322) through hinging seats, and the side walls of the sliding blocks (322) are all in vertical rolling connection with the inner walls of grooves of the sliding rails (326); the inner bottom of the sliding block (322) is fixedly connected with the bottom of the track steel cable (312); the lower end of the inner end side wall of the sliding block (322) is fixedly connected with the upper end of the outer end side wall of the connecting plate (324); arc plates (325) are symmetrically arranged on the inner side walls of the connecting plates (324) in a front-back mode, and the left end and the right end of each arc plate (325) are fixedly connected with the inner side walls of the left connecting plate (324) and the right connecting plate (324) respectively; the inner side wall of the sliding rail (326) is connected with the fixed end of the brake assembly (4), and the inner wall of the sliding block (322) of the sliding rail (326) is connected with the movable end of the brake assembly (4).

2. The device for throwing the marine life-saving equipment is characterized by comprising

A lifting component (2) for lifting the lifesaving appliance;

The stable track assembly (3) is positioned beside the lifting assembly (2), and one end of the stable track assembly is used for being connected with an external platform;

The brake assembly (4) is positioned at the sliding rail end of the stable rail assembly (3), and the brake assembly (4) is used for blocking the unexpected falling life-saving equipment on the stable rail assembly (3);

The lifting assembly (2) comprises a cantilever assembly (21) and an electromagnet hook assembly (22), the output end of the cantilever assembly (21) is connected with the top of the electromagnet hook assembly (22), the top of the supporting table (2111) is rotationally connected with the cantilever steel cable wheels (2110) through hinged seats, and the inner walls of shaft holes of the two groups of cantilever steel cable wheels (2110) are fixedly connected with the side wall of the first connecting shaft (219); the top of the supporting table (2111) positioned at the left side is fixedly connected with the bottom of the cantilever motor (218), and the output end of the cantilever motor (218) is fixedly connected with the left end of the first connecting shaft (219); one end of the cantilever steel cable (217) is wound on the cantilever steel cable wheel (2110), and the other end is connected with the top of the electromagnet hook component (22); the side wall of the cantilever steel cable (217) is connected with the side walls of the first fixed pulley (215) and the second fixed pulley (216) in a rolling way from back to front.

3. An offshore life saving equipment launch device according to claim 2, wherein the support table (2111) of the cantilever assembly (21) is located at the rear side of the support frame (211); the support frame (211) consists of two groups of vertical support rods and two groups of inclined support rods, the upper ends of the side walls of the vertical support rods of the support frame (211) are rotationally connected with the first fixed pulleys (215) through rotating shafts, and the lower ends of the side walls of the vertical support rods of the support frame (211) are rotationally connected with the lower ends of the cantilevers (214); the upper end and the lower end of the side wall of the inclined supporting rod of the supporting frame (211) are respectively fixedly connected with the two ends of the upper limiting rod (212) and the lower limiting rod (213); the cantilever (214) is positioned between the upper limiting rod (212) and the lower limiting rod (213), the tail end of the cantilever (214) is provided with a groove, and the inner wall of the groove at the tail end of the cantilever (214) is rotationally connected with the second fixed pulley (216) through a rotating shaft.

4. The marine life saving equipment delivery device according to claim 2, wherein the electromagnet hook assembly (22) comprises an electromagnetic chuck (221), an iron plate (222), a hook (223) and a wire rope stop lever (224); the front end of the cantilever steel cable (217) is fixedly connected with the top of the steel cable limiting rod (224); the bottom of the steel cable limiting rod (224) is fixedly connected with the top of the electromagnetic chuck (221) through a short rope; the bottom of the electromagnetic chuck (221) is magnetically connected with the top of the iron disc (222); the bottom of the iron disc (222) is rotationally connected with the hook (223) through a hinging seat.

5. The offshore rescue equipment launch device of claim 4 wherein the top diameter of said iron plate (222) is smaller than the bottom diameter of the electromagnetic chuck (221); the stabilizing rail assembly (3) comprises a driving assembly (31) and a sliding rail assembly (32).

6. The offshore lifesaving equipment throwing device according to claim 5, wherein the driving end of the driving assembly (31) is connected with the top of the bottom plate, and the top of the cantilever assembly (21) is connected with the pulley end of the driving assembly (31); the guy cable end of the driving assembly (31) is connected with the movable end of the sliding rail assembly (32), and the guy cable end of the driving assembly (31) is connected with the brake assembly (4); the side wall of the front end of the bottom plate (1) is connected with the upper end of the sliding rail assembly (32), and the rear end of the sliding rail assembly (32) is connected with an external platform; the slide rail component (32) is provided with a brake component (4).

7. An offshore rescue equipment launch device according to claim 5 wherein said slide rail assembly (32) is a slide rail mechanism according to claim 1.

8. The offshore rescue equipment delivery device as defined in claim 7, wherein the left-hand cross section formed by the two sets of arcuate plates (325) is funnel-shaped with a wider upper portion and a narrower lower portion.

9. The marine life saving equipment delivery device according to claim 2, wherein the brake assembly (4) comprises a cam (41), a stop lever (42), a tension spring (43) and a rack (44); the inner side wall of the sliding rail (326) is fixedly connected with the outer side wall of the rack (44), and the tooth end of the rack (44) faces backwards; the cam (41) is rotationally connected with the inner wall of the rear end of the sliding block (322) through a rotating shaft; the upper end and the lower end of the tension spring (43) are respectively fixedly connected with the upper end of the inner wall of the outer end of the sliding block (322) and the upper end of the rear side wall of the cam (41); the middle end of the front side wall of the tension spring (43) is fixedly connected with the rear end of the limiting rod (42); the side wall of the limit rod (42) is in contact connection with the side wall of the track cable (312).

10. The application method of the offshore lifesaving equipment throwing device is characterized by comprising the following steps of:

S1: the rescue equipment such as a rescue boat is fixed on the hook (223), the cantilever motor (218) is started, the first connecting shaft (219) is driven to rotate, and the first connecting shaft (219) drives the two groups of cantilever steel cable wheels (2110) to rotate so as to release the cantilever steel cable (217); the cantilever (214) rotates downwards, and the top of the cantilever (214) is separated from the upper limit rod (212); until the bottom of the cantilever (214) is contacted with the side wall of the lower limit rod (213), the cantilever (214) stops rotating, and the electromagnetic chuck (221) is positioned above the arc plate (325); continuously releasing the cantilever steel cable (217), separating the bottom of the front end of the cantilever (214) from the side wall of the steel cable limiting rod (224), vertically falling the electromagnetic chuck (221), and placing life-saving equipment such as a lifeboat on the arc-shaped plate (325);

S2: the track motor (311) is started to drive the second connecting shaft (315) to rotate, and simultaneously drive the two groups of track steel cable wheels (313) to rotate, so as to release the track steel cable (312); the sliding block (322) descends under the gravity, the pulley (323) rolls downwards along the sliding rail (326), the arc plate (325) descends vertically until the life-saving equipment contacts the water surface, the electromagnetic chuck (221) is powered off, and the iron plate (222) is separated from the electromagnetic chuck (221) to finish throwing;

S3: when the lifeboat is recovered, the lifeboat is stopped in the middle of the track bracket (321), the electromagnetic chuck (221) is electrified, an operator adsorbs an iron disc (222) fixed on the lifeboat on the electromagnetic chuck (221), the cantilever motor (218) is started, the cantilever steel cable (217) is wound, the cantilever steel cable (217) is tightened, the track motor (311) is started at the moment, the arc plate (325) below the water surface moves upwards, and the lifeboat is supported to move upwards; when the cable stop lever (224) contacts the bottom of the end of the cantilever (214), the cantilever (214) rotates inward until the upper stop lever (212) is reached to stop, pulling the lifeboat back onto the platform.