CN113212703A

CN113212703A - Lifesaving device with auxiliary rescue function

Info

Publication number: CN113212703A
Application number: CN202110484614.1A
Authority: CN
Inventors: 何庆清
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-08-06

Abstract

The invention relates to a life saving device with self-help rescue function, which comprises a lifting component arranged on a ship body, wherein a first bearing mechanism and a second bearing mechanism are arranged on the ship edge at two sides of the ship body in a rotating way, the lifting component is hinged with the first bearing mechanism and the second bearing mechanism through a connecting rod, the bearing mechanisms are driven by the lifting component to turn over to lift the borne personnel falling into the water out of the water surface, rotating components are arranged on the first bearing mechanism and the second bearing mechanism respectively, the rotating components rotate to match rescue personnel falling into the water on the bearing mechanisms to be transferred onto the ship body, rolling components are also arranged on the first bearing mechanism and the second bearing mechanism, a counterweight component is also fixedly arranged on the ship body, the first bearing mechanism and the second bearing mechanism can rescue the personnel falling into the water on two sides of the ship body simultaneously under the driving of the lifting component, and when the bearing mechanisms rescue at one side, the balance of the ship body is kept by driving the balance weight component to horizontally move towards the other side direction through the rolling component.

Description

Lifesaving device with auxiliary rescue function

Technical Field

The invention relates to the technical field of lifesaving equipment, in particular to a lifesaving device with an auxiliary rescue function.

Background

The lifeboat is an auxiliary ship for rescuing and salvaging wreck vessels, airplanes and people falling into water. The life-saving ship body is generally small in size and flexible to operate, but when rescue workers on the life-saving ship salvage and rescue the people falling into the water, the people falling into the water often need to climb into the life-saving ship through a climbing ship edge under the assistance of the rescue workers, the rescue mode has the defects of time and labor waste and easy secondary damage in the climbing process, the gravity center offset is easily caused by the fact that the gravity of one side of the ship body is too large when the rescue workers and the people falling into the water are on one side of the ship edge, and the risk of violent shaking or ship overturning of the ship body exists in the rescue process, so that the life-saving device with the auxiliary rescue function is designed aiming at the problems.

Disclosure of Invention

The invention provides bearing support for personnel falling into water through a first bearing mechanism and a second bearing mechanism which are arranged on the ship edges at two sides of a ship body, a lifting component is hinged with the first bearing mechanism and the second bearing mechanism through a connecting rod, the first bearing mechanism and the second bearing mechanism are driven by the lifting component to overturn to lift the borne personnel falling into water to be separated from the water surface, rotating components on the first bearing mechanism and the second bearing mechanism rotate to match with rescue personnel to transfer the personnel falling into water on the bearing mechanisms to the ship body, rolling components are also arranged on the first bearing mechanism and the second bearing mechanism, a counterweight component is also fixedly arranged on the ship body, and the rolling components are used for driving the counterweight component to horizontally move to the other side direction relative to the first bearing mechanism or the second bearing mechanism to keep the integral gravity center balance when the personnel falling into water are rescued by the first bearing mechanism or the second bearing mechanism on one side, the first bearing mechanism and the second bearing mechanism can rescue the personnel falling into the water on two sides of the ship body simultaneously under the driving of the lifting assembly, and when the bearing mechanism carries out rescue on one side, the rolling assembly drives the counterweight assembly to horizontally move towards the other side to keep balance of the ship body.

Aiming at the technical problems, the technical scheme adopted by the invention is as follows:

a life saving device with an auxiliary rescue function comprises a lifting assembly arranged on a ship body, wherein a first bearing mechanism and a second bearing mechanism are arranged on ship edges on two sides of the ship body in a rotating mode and are used for bearing and supporting personnel falling into the water, the lifting assembly is hinged to the first bearing mechanism and the second bearing mechanism through a connecting rod, the first bearing mechanism and the second bearing mechanism are driven by the lifting assembly to overturn to lift the borne personnel falling into the water to be separated from the water surface, rotating assemblies are arranged on the first bearing mechanism and the second bearing mechanism, rotate to match rescue personnel to transfer the personnel falling into the water on the bearing mechanisms to the ship body, rolling assemblies are further arranged on the first bearing mechanism and the second bearing mechanism, and a balance weight assembly is further fixedly arranged on the ship body, the rolling component is used for driving the counterweight component to horizontally move towards the direction opposite to the other side of the first bearing mechanism or the second bearing mechanism when the first bearing mechanism or the second bearing mechanism carries people falling into water in a unilateral rescue mode to keep the balance of the integral gravity center of the ship body.

Preferably, the lifting assembly is including fixed setting motor cover on the hull, the lead screw that servo motor and servo motor of setting in the motor cover drove down, the upper end threaded connection of lead screw has the lifter, the tail end of lifter is equipped with a pair of stopper, the motor covers still fixed being provided with the dead lever, seted up on the dead lever with stopper matched with spout, the stopper slides and sets up in the spout, the top of lifter fixed be provided with connecting rod matched with connecting block.

Preferably, the first bearing mechanism and the second bearing mechanism comprise rotating seats fixedly arranged on ship edges on two sides of the ship body, rotating shafts are arranged on the rotating seats in a rotating mode, bearing bottom plates are fixedly connected to the rotating shafts, and connecting seats connected with the connecting rods in a matched mode are arranged at the bottom ends of the bearing bottom plates.

Preferably, the rotating assembly comprises a rotating column arranged on the bearing bottom plate, a limiting jacking block is arranged at the top end of the rotating column, a bearing rotating plate is arranged on the rotating column in a rotating mode, and the height of the rotating column is the same as the thickness of the bearing rotating plate.

Preferably, the bearing rotating plate is provided with a plurality of anti-skid lugs in an arrangement mode, and guardrails are fixedly arranged on two sides of the bearing rotating plate.

Preferably, the first bearing mechanism and the second bearing mechanism are further provided with locking assemblies, each locking assembly comprises a bolt seat a fixedly arranged on the side edge of the bearing rotating plate, a bolt seat b matched with the bolt seat a is fixedly arranged on the side edge of the bearing bottom plate, and sliding bolts are arranged in the bolt seats a and the bolt seats b.

Preferably, the bearing rotating plate is further rotatably provided with a floating assembly, the floating assembly comprises a pair of rotating rings fixedly arranged at the outer ends of the bearing rotating plate, the rotating rings are rotatably provided with floating plates, and the bottom surfaces of the floating plates are fixedly provided with a plurality of floating balls.

Preferably, the winding assembly comprises a winding disc fixedly connected with the rotating shaft, a traction steel rope is wound on the winding disc, a guide pulley is arranged on a moving path of the traction steel rope, and a lifting hook is fixedly connected to the outer end of the traction steel rope.

Preferably, the counterweight assembly comprises a sliding seat fixedly arranged on the ship body, a pair of sliding rails is arranged on the sliding seat, a sliding counterweight block is arranged on the sliding rails, and a retaining ring matched with the lifting hook is arranged on one side of the counterweight block.

Preferably, the two sides of the sliding seat are provided with fixing plates, the fixing plates and the balancing weight are respectively provided with a spring connecting block a and a spring connecting block b which are matched, a return spring is connected between the spring connecting block a and the spring connecting block b, and the return spring provides power for the resetting of the balancing weight.

The invention has the beneficial effects that:

1. the invention provides bearing support for personnel falling into water through a first bearing mechanism and a second bearing mechanism which are arranged on the ship edges at two sides of a ship body, a lifting component is hinged with the first bearing mechanism and the second bearing mechanism through a connecting rod, the first bearing mechanism and the second bearing mechanism are driven by the lifting component to overturn to lift the borne personnel falling into water to be separated from the water surface, rotating components on the first bearing mechanism and the second bearing mechanism rotate to match with rescue personnel to transfer the personnel falling into water on the bearing mechanisms to the ship body, rolling components are also arranged on the first bearing mechanism and the second bearing mechanism, a counterweight component is also fixedly arranged on the ship body, and the rolling components are used for driving the counterweight component to horizontally move to the other side direction relative to the first bearing mechanism or the second bearing mechanism to keep the integral gravity center balance when the personnel falling into water are rescued by the first bearing mechanism or the second bearing mechanism on one side, the first bearing mechanism and the second bearing mechanism can rescue the personnel falling into water on two sides of the ship body simultaneously under the driving of the lifting assembly, the defect that the personnel falling into water need to climb the ship body along the climbing direction into the ship body is overcome, the bearing mechanism drives the counterweight assembly to horizontally move towards the other side direction through the winding assembly to keep the balance of the ship body when the personnel falling into water are rescued on one side, and the risk that the lifeboat rocks or turns on one side is avoided.

2. According to the invention, through the matching of the locking assembly and the rotating assembly, when the bearing mechanism bears and supports a person falling into water to lift up and take off the water, the bolt on the locking assembly is inserted into the bolt seat a and the bolt seat b so as to lock the bearing bottom plate and the bearing rotating plate, so that the bearing rotating plate is prevented from rotating in the lifting process to avoid accidents, after the lifting is finished, a rescuer removes the locking by pulling out the bolt, rotates the bearing rotating plate to rotate the person falling into water to the inner side of the ship body for safe transfer, the arrangement of the locking assembly and the rotating assembly increases the safety in the whole rescue process, and the situation that the person falling into water rotates accidentally when the bearing mechanism is lifted is avoided.

3. According to the invention, when a person falling into water lies on or sits on the bearing rotating plate, the person falling into water can be prevented from accidentally sliding off the bearing rotating plate through the anti-sliding lugs and the guardrails, and the personal safety of the person falling into water can be effectively ensured when the bearing mechanism bears the person falling into water and the rotating assembly rotates.

In summary, the lifesaving device with the auxiliary rescue function has the advantages of ingenious design, simple structure, high use efficiency and the like, and is particularly suitable for the technical field of lifesaving equipment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings described below 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 diagram of a lifesaving device with an auxiliary rescue function;

FIG. 2 is a front view of the lift assembly and carrier mechanism;

FIG. 3 is a schematic cross-sectional view of the lift assembly;

FIG. 4 is a schematic structural view of a sliding groove and a limiting block on the fixing rod;

FIG. 5 is a schematic structural diagram of a carrying mechanism;

FIG. 6 is a schematic structural diagram of a load floor;

FIG. 7 is a schematic structural view of a load bearing rotating plate;

FIG. 8 is a schematic view of the floating assembly;

FIG. 9 is an enlarged view of the structure at A of FIG. 8;

FIG. 10 is a schematic view of the winding assembly and the mating assembly;

FIG. 11 is an enlarged view of the structure at B in FIG. 10;

FIG. 12 is a schematic view of the support mechanism after it has been lifted;

fig. 13 is a schematic view of the rotating assembly after rotation.

Detailed Description

The technical scheme in the embodiment of the invention is clearly and completely explained by combining the attached drawings.

Example one

As shown in fig. 1 to 12, a lifesaving device with an auxiliary rescue function includes a lifting assembly 2 disposed on a ship body 1, a first bearing mechanism 301 and a second bearing mechanism 302 are disposed on ship edges on two sides of the ship body 1 in a rotating manner, the first bearing mechanism 301 and the second bearing mechanism 302 are used for providing bearing support for people falling into water, the lifting assembly 2 is hinged to the first bearing mechanism 301 and the second bearing mechanism 302 through a connecting rod 4, the first bearing mechanism 301 and the second bearing mechanism 302 are driven by the lifting assembly 2 to turn over so as to lift the people falling into water out of the water, a rotating assembly 5 is disposed on each of the first bearing mechanism 301 and the second bearing mechanism 302, the rotating assembly 5 rotates to cooperate with rescue personnel falling into water on the bearing mechanism to transfer to the ship body 1, a rolling assembly 6 is further disposed on each of the first bearing mechanism 301 and the second bearing mechanism 302, the ship body 1 is further fixedly provided with a counterweight component 7, and the rolling component 6 is used for driving the counterweight component 7 to horizontally move towards the direction opposite to the other side of the first bearing mechanism 301 or the second bearing mechanism 302 when the first bearing mechanism 301 or the second bearing mechanism 302 is used for rescuing people falling into water on one side to keep the overall gravity center balance of the ship body 1.

The invention provides bearing support for people falling into water through the first bearing mechanism 301 and the second bearing mechanism 302 arranged on the ship edges at two sides of the ship body 1, the lifting assembly 2 is hinged with the first bearing mechanism 301 and the second bearing mechanism 302 through the connecting rod 4, the first bearing mechanism 301 and the second bearing mechanism 302 are overturned under the driving of the lifting assembly 2 to lift the borne people falling into water to be separated from the water surface, the rotating assemblies 5 on the first bearing mechanism 301 and the second bearing mechanism 302 rotate to match with rescue workers to transfer the people falling into water on the bearing mechanisms to the ship body 1, the first bearing mechanism 301 and the second bearing mechanism 302 are further provided with the rolling assembly 6, the ship body is further fixedly provided with the counterweight assembly 7, and the rolling assembly 6 is used for driving the counterweight assembly 7 to horizontally move towards the other side direction relative to the first bearing mechanism 301 or the second bearing mechanism 302 when the people falling into water are rescued and borne by the first bearing mechanism 301 or the second bearing mechanism 302 on one side to keep the ship body 1 horizontally moving towards the other side The whole gravity center of the ship body is balanced, the first bearing mechanism 301 and the second bearing mechanism 302 can rescue the personnel falling into water on two sides of the ship body 1 under the driving of the lifting assembly 2, the defect that the personnel falling into water need to climb the ship body along the climbing direction into the ship body 1 is overcome, and when the bearing mechanism is used for unilateral rescue, the bearing mechanism drives the counterweight component 7 to horizontally move towards the other side through the rolling component 6 to keep the balance of the ship body 1, so that the risk that the lifeboat rocks or turns on one side is avoided.

Further, the lifting component 2 includes a motor cover 201 fixedly arranged on the ship body 1, a servo motor 202 arranged in the motor cover 201, and a lead screw 203 driven by the servo motor 202, the upper end of the lead screw 203 is connected with a lifting rod 204 in a threaded manner, the tail end of the lifting rod 204 is provided with a pair of limiting blocks 205, a fixing rod 206 is fixedly arranged on the motor cover 201, a sliding groove 207 matched with the limiting blocks 205 is formed in the fixing rod 206, the limiting blocks 205 are slidably arranged in the sliding groove 207, and the top end of the lifting rod 204 is fixedly provided with a connecting block 208 matched with the connecting rod 4.

Further, the first bearing mechanism 301 and the second bearing mechanism 302 both include a rotating seat 303 fixedly disposed on the boat edges on both sides of the boat body 1, a rotating shaft 304 is rotatably disposed on the rotating seat 303, a bearing bottom plate 305 is fixedly connected to the rotating shaft 304, and a connecting seat 306 cooperatively connected with the connecting rod 4 is disposed at the bottom end of the bearing bottom plate 305.

Furthermore, a plurality of anti-skid lugs 504 are arranged on the bearing rotating plate 503, and guardrails 505 are fixedly arranged on both sides of the bearing rotating plate 503.

It should be noted that, when a person falling into water lies on or sits on the bearing rotating plate 503, the anti-slip bumps 504 and the guard rails 505 of the present invention can prevent the person falling into water from accidentally sliding off the bearing rotating plate 503, and when the bearing mechanism bears the person falling into water and the rotating assembly 5 rotates, the personal safety of the person falling into water can be effectively ensured.

Further, the first bearing mechanism 301 and the second bearing mechanism 302 are further provided with a locking assembly 8, the locking assembly 8 includes a latch seat a801 fixedly disposed on a side edge of the bearing rotating plate 503, a latch seat b802 matched with the latch seat a801 is fixedly disposed on a side edge of the bearing bottom plate 305, and a sliding latch 803 is disposed in the latch seat a801 and the latch seat b 802.

Further, a floating assembly 9 is further rotatably disposed on the bearing rotating plate 503, the floating assembly 9 includes a pair of rotating rings 901 fixedly disposed at outer ends of the bearing rotating plate 503, a floating plate 902 is rotatably disposed on the rotating rings 901, and a plurality of floating balls 903 are fixedly disposed on a bottom surface of the floating plate 902.

Further, the winding assembly 6 includes a winding disc 601 fixedly connected to the rotating shaft 304, a traction steel cable 602 is wound on the winding disc 601, a guide pulley 603 is disposed on a moving path of the traction steel cable 602, and a hook 604 is fixedly connected to an outer end of the traction steel cable 602.

Further, the counterweight assembly 7 includes a sliding seat 701 fixedly disposed on the hull 1, the sliding seat 701 is provided with a pair of sliding rails 702, the sliding rails 702 are provided with a sliding counterweight block 703, and one side of the counterweight block 703 is provided with a retaining ring 704 engaged with the lifting hook 604.

Furthermore, fixing plates 705 are arranged on two sides of the sliding seat 701, a spring connecting block a706 and a spring connecting block b707 which are matched with each other are respectively arranged on the fixing plates 705 and the counterweight block 703, and a return spring 708 is connected between the spring connecting block a706 and the spring connecting block b 707.

Example two

As shown in fig. 13, in which the same or corresponding components as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, only the points of difference from the first embodiment will be described below for the sake of convenience; the second embodiment is different from the first embodiment in that: the rotating assembly 5 comprises a rotating column 501 arranged on the bearing bottom plate 305, a limit supporting block 502 is arranged at the top end of the rotating column 501, and a bearing rotating plate 503 is rotatably arranged on the rotating column 501.

It should be noted that, in the invention, through the matching of the locking assembly 8 and the rotating assembly 5, when the bearing mechanism bears and supports a person falling into water to lift and leave the water surface, the bolt 803 on the locking assembly 8 is inserted into the bolt seat a801 and the bolt seat b802 to lock the bearing bottom plate 305 and the bearing rotating plate 503, so as to prevent the bearing rotating plate 503 from rotating in the lifting process to cause an accident, after the lifting is finished, a rescuer removes the locking by pulling out the bolt 803, rotates the bearing rotating plate 503 to rotate the person falling into water to the inner side of the hull 1 to safely transfer, the arrangement of the locking assembly 8 and the rotating assembly 5 increases the safety in the whole rescue process, and the situation that the person falling into water accidentally rotates when the bearing mechanism is lifted is avoided.

The working process is as follows:

after the lifeboat is driven to a rescue place, when people falling into water wait for rescue at both sides of the boat body 1, the rescuers on the boat body 1 jump into the water by wearing necessary rescue equipment to open the floating plate 902 on the floating assembly 9 to float on the water surface, then the rescuers assist the people falling into the water to sit on the floating plate 902, then the people falling into the water climb up step by depending on the guardrail 505 on the bearing rotating plate 503 to enable the whole body to lie on the bearing rotating plate 503 completely, then the rescuers on the boat body 1 control the servo motor 202 on the lifting assembly 2 to rotate, the servo motor 202 drives the screw rod 203 to rotate synchronously, the lifting rod 204 in threaded connection with the screw rod 203 descends in the chute 207, the lifting rod 204 descends to drive the first bearing mechanism 301 and the second bearing mechanism 302 to ascend synchronously through the connecting rod 4 to enable the people falling into the water to be separated from the water surface, and the servo motor 202 stops working after the people falling into the water surface, the rescue personnel on the ship body 1 immediately pulls out the bolt 803 on the locking component 8 to separate the bolt from the bolt seat a801, then the rescue personnel rotates the bearing rotating plate 503 through the rotating component 5 to match the rescue personnel to transfer the person falling into the water on the bearing mechanism to the ship body 1 to complete rescue for the person falling into the water on two sides of the ship body 1, when the person falling into the water on one side of the ship body 1 waits for rescue, the lifting component 2 is controlled to lift the person falling into the water on the bearing mechanism through the same steps, but before the lifting component 2 works, the rescue personnel on the ship body 1 needs to lead the traction steel rope 602 on the winding component 6 to pass through the corresponding guide pulley and buckle the lifting hook 604 at the end of the traction steel rope 602 on the buckle ring 704, when the lifting component 2 drives the bearing mechanism to lift and rotate, the winding disc 601 synchronously rotates along with the rotating shaft 304 to wind up the rope, and pulls the balancing weight 703 on the balancing component 7 to horizontally move towards the other side in the After balancing, people falling into the water are transferred and saved by rotating the rotating assembly 5 on the single-side bearing mechanism.

In the description of the present invention, it is to be understood that the terms "front-back", "left-right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the invention.

Of course, in this disclosure, those skilled in the art will understand that the terms "a" and "an" should be interpreted as "at least one" or "one or more," i.e., in one embodiment, a number of an element may be one, and in another embodiment, a number of the element may be plural, and the terms "a" and "an" should not be interpreted as limiting the number.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art in light of the technical teaching of the present invention should be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a from life saving equipment of supplementary rescue function in area which characterized in that: the device comprises a lifting component (2) arranged on a ship body (1), wherein a first bearing mechanism (301) and a second bearing mechanism (302) are arranged on ship edges on two sides of the ship body (1) in a rotating mode, the first bearing mechanism (301) and the second bearing mechanism (302) are used for providing bearing support for people falling into water, the lifting component (2) is hinged with the first bearing mechanism (301) and the second bearing mechanism (302) through a connecting rod (4), the first bearing mechanism (301) and the second bearing mechanism (302) are overturned under the driving of the lifting component (2) to lift the loaded people falling into water out of the water surface, rotating components (5) are arranged on the first bearing mechanism (301) and the second bearing mechanism (302), and the rotating components (5) rotate to cooperate with rescue workers to transfer the people falling into water on the bearing mechanisms to the ship body (1), the ship body is characterized in that winding assemblies (6) are further arranged on the first bearing mechanism (301) and the second bearing mechanism (302), counterweight assemblies (7) are further fixedly arranged on the ship body (1), and the winding assemblies (6) are used for driving the counterweight assemblies (7) to horizontally move towards the direction of the other side opposite to the first bearing mechanism (301) or the second bearing mechanism (302) to keep the balance of the integral gravity center of the ship body (1) when the first bearing mechanism (301) or the second bearing mechanism (302) carries people falling into water in a unilateral rescue mode.

2. A self-contained rescue aid as claimed in claim 1, wherein: lifting unit (2) is including fixed setting motor cover (201), servo motor (202) and lead screw (203) that servo motor (202) set up in motor cover (201) on hull (1) drive down, the upper end threaded connection of lead screw (203) has lifter (204), the tail end of lifter (204) is equipped with a pair of stopper (205), still fixed being provided with dead lever (206) on motor cover (201), seted up on dead lever (206) with stopper (205) matched with spout (207), stopper (205) slide to set up in spout (207), the top of lifter (204) fixed be provided with connecting rod (4) matched with connecting block (208).

3. A self-contained rescue aid as claimed in claim 1, wherein: first bearing mechanism (301) and second bearing mechanism (302) all are including fixed the setting rotating seat (303) on hull (1) both sides ship edge, it is provided with axis of rotation (304) to rotate on rotating seat (303), fixedly connected with bears bottom plate (305) on axis of rotation (304), the bottom of bearing bottom plate (305) be equipped with connecting seat (306) that connecting rod (4) cooperation is connected.

4. A self-contained rescue aid as claimed in claim 3, wherein: the rotating assembly (5) comprises a rotating column (501) arranged on the bearing bottom plate (305), a limiting jacking block (502) is arranged at the top end of the rotating column (501), and a bearing rotating plate (503) is arranged on the rotating column (501) in a rotating mode.

5. A self-contained rescue aid as claimed in claim 4, wherein: a plurality of anti-skid lugs (504) are arranged on the bearing rotating plate (503), and guardrails (505) are fixedly arranged on two sides of the bearing rotating plate (503).

6. A self-contained rescue aid as claimed in claim 4, wherein: the first bearing mechanism (301) and the second bearing mechanism (302) are further provided with locking assemblies (8), each locking assembly (8) comprises a bolt seat a (801) fixedly arranged on the side edge of the bearing rotating plate (503), a bolt seat b (802) matched with the bolt seat a (801) is fixedly arranged on the side edge of the bearing bottom plate (305), and sliding bolts (803) are arranged in the bolt seats a (801) and the bolt seat b (802).

7. A self-contained rescue aid as claimed in claim 4, wherein: the floating assembly (9) is further rotatably arranged on the bearing rotating plate (503), the floating assembly (9) comprises a pair of rotating rings (901) fixedly arranged at the outer end of the bearing rotating plate (503), a floating plate (902) is rotatably arranged on the rotating rings (901), and a plurality of floating balls (903) are fixedly arranged on the bottom surface of the floating plate (902).

8. A self-contained rescue aid as claimed in claim 3, wherein: rolling subassembly (6) including with axis of rotation (304) fixed connection's rolling dish (601), the winding is provided with traction steel cable (602) on rolling dish (601), be equipped with leading pulley (603) on the moving path of traction steel cable (602), the outer end fixedly connected with lifting hook (604) of traction steel cable (602).

9. A self-contained rescue aid as claimed in claim 8, wherein: the counterweight component (7) comprises a sliding seat (701) fixedly arranged on the ship body (1), a pair of sliding rails (702) is arranged on the sliding seat (701), a sliding counterweight block (703) is arranged on the sliding rails (702), and a retaining ring (704) matched with the lifting hook (604) is arranged on one side of the counterweight block (703).

10. A self-contained rescue aid as claimed in claim 9, wherein: the sliding seat is characterized in that fixing plates (705) are arranged on two sides of the sliding seat (701), a spring connecting block a (706) and a spring connecting block b (707) which are matched with each other are respectively arranged on the fixing plates (705) and the balancing weight (703), and a return spring (708) is connected between the spring connecting block a (706) and the spring connecting block b (707).