A life raft hoisting device

By designing a life raft lifting device and using the main frame, positioning parts and lifting ring system, the problem that the life raft cannot maintain its centrality continuously is solved, and the stability and centrality are maintained during the ship's movement are achieved.

CN115709779BActive Publication Date: 2025-06-24WUCHANG SHIPBUILDING INDUSTRY GROUP CO LTD
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Patent Information

Application Number
CN202211389354.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-08
Publication Date
2025-06-24
Estimated Expiration
2042-11-08

AI Technical Summary

Technical Problem

Existing life rafts cannot maintain their centrality continuously, resulting in easy shaking during ship movement.

Method used

A life raft hoisting device is designed, including a main frame, a plurality of positioning members and a lifting ring system. The main frame is provided with a through hole, a beam, a first suspended ring and a plurality of second suspended rings on the top, and a plurality of positioning members are arranged in a horizontal direction for positioning and connection with the fixture of the life raft. By adjusting the position of the rope and positioning members, the movement of the life raft in the height direction and the centrality of the center are achieved.

Benefits of technology

Through this device, the center of the life raft can be effectively maintained, the shaking during the ship's movement can be reduced, and the stability of the life raft can be improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application provides a life raft hoisting device, which includes a main body frame and a plurality of positioning members; a through hole is provided in the main body frame for the life raft to pass through; a cross beam, a first lifting ring and a plurality of second lifting rings are provided at the top of the main body frame, and the plurality of second lifting rings are distributed at the ends of the main body frame; the first lifting ring is connected to the lower side wall of the cross beam and is jointly traction-connected with the plurality of second lifting rings to the ropes of the fixture of the life raft, so that the ropes can be tractioned along the plurality of second lifting rings and the first lifting ring under the action of manual force or driving force, thereby realizing the movement of the life raft in the height direction. The plurality of positioning members are arranged at the positioning stations of the main body frame, the plurality of positioning members are arranged along the horizontal direction and are at the same height; the plurality of positioning members are arranged annularly along the inner side wall of the through hole and are distributed around the fixture connected to the life raft to be positioned and connected with each side surface of the fixture, ensuring the centricity of the fixture of the life raft and the life raft relative to the center of the positioning station.
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Description

Technical Field

[0001] This application belongs to the technical field of life raft hoisting devices, and particularly relates to a life raft hoisting device. Background Art

[0002] Life rafts are life-saving equipment used on ships. Generally, the weight of a life raft reaches about 1000 kg, and a pressure-resistant life raft is also a type of life raft. Life rafts are applied to ships and are part of the ship. The life raft is accommodated inside the ship and is lifted and lowered by a crane and suspended at a preset position. At this time, the life raft is suspended at the preset position and moves with the movement of the ship. The life raft is prone to shaking with the movement of the ship, resulting in the inability of the existing life raft to continuously maintain its centrality. Summary of the Invention

[0003] An embodiment of this application provides a life raft hoisting device to solve the problem that the existing life raft cannot continuously maintain its centrality.

[0004] In a first aspect, an embodiment of this application provides a life raft hoisting device, including:

[0005] A main body frame, with a through hole provided inside. The through hole is used for the life raft to pass through. A cross beam, a first lifting ring, and a plurality of second lifting rings are provided at the top of the main body frame. The plurality of second lifting rings are distributed at the ends of the main body frame. The first lifting ring is connected to the lower side wall of the cross beam and is jointly connected to the ropes of the fixture of the life raft with the plurality of second lifting rings.

[0006] A plurality of positioning members are provided at the positioning stations of the main body frame. The plurality of positioning members are arranged along the horizontal direction and are at the same height. The plurality of positioning members are arranged in a ring along the inner side wall of the through hole and are distributed around the fixture connected to the life raft to be positioned and connected to each side of the fixture.

[0007] Optionally, the main body frame is formed by enclosing a plurality of brackets. The bottoms of the plurality of brackets are connected to the upper surface of the hull. The through hole is arranged relative to the life raft installation groove of the hull and is vertically communicated with the life raft installation groove.

[0008] Optionally, a plurality of reinforcing beams are connected between the plurality of brackets. The plurality of reinforcing beams are arranged along the horizontal direction and are at the same height, and enclose to form an annular beam.

[0009] Optionally, the plurality of second lifting rings are distributed at the ends of the main body frame and extend upward. The first lifting ring is below the plurality of second lifting rings. The first lifting ring and the plurality of second lifting rings are all provided with lifting ring holes. The lifting ring holes enclose to form a lifting ring channel, and the lifting ring channel is used for the ropes of the fixture connected to the life raft to pass through.

[0010] Optionally, a positioning cable with a fixed length is connected between the positioning member and the fixture.

[0011] Optionally, one end of the positioning member is bent to form a hook portion, the hook portion hooks one end of the positioning cable, and the other end of the positioning cable is connected to the fixture.

[0012] Optionally, a plurality of the positioning members are respectively arranged on the corresponding reinforcing beams, and the plurality of positioning members are movably mounted on the corresponding reinforcing beams and move along the horizontal direction, so that the positions of the fixtures are respectively adjusted by the plurality of positioning members.

[0013] Optionally, the positioning member penetrates through the reinforcing beam; a threaded portion is provided at one end of the positioning member away from the hook portion, and a rotary lock is connected to the threaded portion, and the hook portion moves along the horizontal direction as the rotary lock rotates.

[0014] Optionally, the end of the hook portion can abut against the side wall of the reinforcing beam and enclose a closed-loop groove with the side wall of the reinforcing beam.

[0015] A life raft hoisting device provided by an embodiment of the present application has a through hole provided in a main body frame for a life raft to pass through; a cross beam, a first lifting ring and a plurality of second lifting rings are provided at the top of the main body frame, and the plurality of second lifting rings are distributed at the ends of the main body frame; the first lifting ring is connected to the lower side wall of the cross beam and jointly pulls a rope connected to a fixture of the life raft with the plurality of second lifting rings; a plurality of positioning members are arranged at a positioning station of the main body frame, the plurality of positioning members are arranged along the horizontal direction and are at the same height; the plurality of positioning members are arranged annularly along the inner side wall of the through hole and are distributed around the fixture connected to the life raft to be positioned and connected to each side surface of the fixture. At this time, the plurality of second lifting rings are distributed at the ends of the main body frame, the first lifting ring is connected to the lower side wall of the cross beam and jointly pulls a rope connected to a fixture of the life raft with the plurality of second lifting rings, so that the rope is pulled along the plurality of second lifting rings and the first lifting ring under the action of a human force or a driving force, and the height positions of the fixture connected to the life raft and the life raft are adjusted, thereby realizing the movement of the life raft in the height direction. A plurality of positioning members are arranged at a positioning station of the main body frame, the plurality of positioning members are arranged along the horizontal direction and are at the same height; the plurality of positioning members are arranged annularly along the inner side wall of the through hole and are distributed around the fixture connected to the life raft to be positioned and connected to each side surface of the fixture, so as to realize the position adjustment of the fixture by adjusting the positions of the positioning members, thereby ensuring the horizontal adjustment of the fixture connected to the life raft relative to the positioning station and ensuring the centering of the fixture of the life raft and the life raft relative to the positioning station. Description of the Drawings

[0016] To more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present application. For those skilled in the art, without creative efforts, other accompanying drawings can also be obtained based on these drawings.

[0017] To more fully understand the present application and its beneficial effects, the following will be described in conjunction with the accompanying drawings. Among them, the same reference numerals in the following description represent the same parts.

[0018] Figure 1 It is a schematic diagram of the life raft hoisting device provided by the embodiment of the present application.

[0019] Figure 2 For Figure 1 the sectional view in the direction A of

[0020] Figure 3 For Figure 1 the sectional view in the direction B of

[0021] Figure 4 It is a schematic diagram of the closed-loop groove of the life raft hoisting device provided by the embodiment of the present application.

[0022] Figure 5 It is a schematic diagram of the positioning member of the life raft hoisting device provided by the embodiment of the present application positioning the life raft. Detailed implementation manners

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present application in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0024] The embodiment of the present application provides a life raft hoisting device 100 to solve the problem that the existing life raft cannot continuously maintain the centrality.

[0025] Referring to Figures 1 to 5 , the embodiment of the present application provides a life raft hoisting device 100. The life raft hoisting device 100 includes a main body frame 10 and a plurality of positioning members 20. The plurality of positioning members 20 are installed on the main body frame 10.

[0026] The main frame 10 is formed by enclosing multiple brackets 11. The bottoms of the multiple brackets 11 are connected to the upper surface of the hull. At this time, the multiple brackets 11 enclose to form a square main frame 10. Optionally, the main frame 10 is manufactured by welding No. 10 channel steel, with a square frustum structure, an upper side length of 1400 mm, and a lower side length of 1500 mm. A circle of channel steel reinforcement structures are provided at the bottom, at a position 1000 mm above the ground, and at a position 2000 mm above the ground.

[0027] A through hole 12 is provided inside the main frame 10. The through hole 12 is used for the life raft to pass through. Among them, the through hole 12 is arranged relative to the life raft installation groove of the hull and is vertically communicated with the life raft installation groove.

[0028] Reinforcing beams 13 are connected between the multiple brackets 11. The multiple reinforcing beams 13 are arranged along the horizontal direction and are at the same height, and enclose to form an annular beam to reinforce the multiple brackets 11 through the annular beam and ensure the connection strength between the multiple brackets 11.

[0029] At the top of the main frame 10, there are a cross beam 14, a first lifting ring 15, and multiple second lifting rings 16. The multiple second lifting rings 16 are distributed at the ends of the main frame 10; the first lifting ring 15 is connected to the lower side wall of the cross beam 14 and jointly traction-connects the ropes of the fixture of the life raft with the multiple second lifting rings 16. The fixture connected to the life raft is adjusted by pulling the ropes. Among them, the multiple second lifting rings 16 are distributed at the ends of the main frame 10 and extend upward; the first lifting ring 15 is below the multiple second lifting rings 16; both the first lifting ring 15 and the multiple second lifting rings 16 are provided with lifting ring holes, and the multiple lifting ring holes enclose to form a lifting ring channel for the ropes of the fixture connected to the life raft to pass through.

[0030] At this time, the multiple second lifting rings 16 are distributed at the ends of the main frame 10, the first lifting ring 15 is connected to the lower side wall of the cross beam 14, and jointly traction-connects the ropes of the fixture of the life raft with the multiple second lifting rings 16, so that the ropes are tractioned along the multiple second lifting rings 16 and the first lifting ring 15 under the action of human force or driving force, and the height positions of the fixture connected to the life raft and the life raft are adjusted, so as to realize the movement of the life raft in the height direction.

[0031] Multiple positioning members 20 are arranged at the positioning stations of the main frame 10. The multiple positioning members 20 are arranged along the horizontal direction and are at the same height; the multiple positioning members 20 are arranged annularly along the inner side wall of the through hole 12 and are distributed around the fixture connected to the life raft to be positioned and connected to each side of the fixture, so as to realize the position adjustment of the fixture by adjusting the positions of the positioning members 20, thus ensuring the horizontal adjustment of the fixture connected to the life raft relative to the positioning station and ensuring the centricity of the fixture of the life raft and the life raft relative to the positioning station.

[0032] Specifically, a fixed length positioning rope 30 is connected between the positioning member 20 and the clamp. A hook portion 21 is bent at one end of the positioning member 20, and the hook portion 21 hooks one end of the positioning rope 30. The other end of the positioning rope 30 is connected to the clamp, and the clamp is moved in the horizontal direction by pulling the hook portion 21 on one end of the positioning rope 30.

[0033] A plurality of positioning members 20 are respectively arranged on the corresponding reinforcing beams 13, and the plurality of positioning members 20 are movably installed on the corresponding reinforcing beams 13 and move in the horizontal direction, so that the plurality of positioning members 20 respectively adjust the position of the clamp, and the plurality of positioning members 20 respectively act on different positions of the clamp, thereby realizing separate adjustment of different positions of the clamp, so as to improve the positioning accuracy of the clamp and the life raft.

[0034] The positioning member 20 passes through the reinforcing beam 13 ; a threaded portion is provided at one end of the positioning member 20 away from the hook portion 21 , and a rotary lock 40 is connected to the threaded portion. The hook portion 21 locks the rotation of the rotary lock 40 and moves in the horizontal direction, thereby pulling one end of the positioning rope 30 .

[0035] In addition, the end of the hook portion 21 can abut against the side wall of the reinforcing beam 13 and enclose the side wall of the reinforcing beam 13 to form a closed-loop groove 22, and one end of the positioning rope 30 is set through the closed-loop groove 22 to prevent one end of the positioning rope 30 from escaping from the closed-loop groove 22.

[0036] The embodiment of the present application provides a life raft lifting device 100, wherein a through hole 12 is provided in a main frame 10, and the through hole 12 is used for passing the life raft; a cross beam 14, a first lifting ring 15 and a plurality of second lifting rings 16 are provided on the top of the main frame 10, and the plurality of second lifting rings 16 are distributed at the end of the main frame 10; the first lifting ring 15 is connected to the lower side wall of the cross beam 14, and together with the plurality of second lifting rings 16, pulls a rope connected to a clamp of the life raft; a plurality of positioning members 20 are provided at the positioning station of the main frame 10, and the plurality of positioning members 20 are arranged in a horizontal direction and at the same height; the plurality of positioning members 20 are arranged in a ring along the inner side wall of the through hole 12, and are distributed around the clamp connected to the life raft, so as to be positioned and connected with each side of the clamp.

[0037] At this time, a plurality of second suspension rings 16 are distributed at the ends of the main body frame 10. The first suspension ring 15 is connected to the lower side wall of the cross beam 14 and jointly traction-connects with the plurality of second suspension rings 16 to the ropes of the fixture of the life raft, so that the ropes can be tractioned along the plurality of second suspension rings 16 and the first suspension ring 15 under the action of human force or driving force, and the height positions of the fixture connected to the life raft and the life raft are adjusted, thereby realizing the movement of the life raft in the height direction. A plurality of positioning members 20 are arranged at the positioning stations of the main body frame 10. The plurality of positioning members 20 are arranged along the horizontal direction and are at the same height; the plurality of positioning members 20 are arranged annularly along the inner side wall of the through hole 12 and are distributed around the fixture connected to the life raft to position-connect with each side surface of the fixture, so as to realize the position adjustment of the fixture by adjusting the positions of the positioning members 20, thereby ensuring the horizontal adjustment of the fixture connected to the life raft relative to the positioning station and ensuring the concentricity of the fixture of the life raft and the life raft relative to the positioning station.

[0038] In the above embodiments, the descriptions of the respective embodiments have their own emphases. For the parts not detailed in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

[0039] In the description of the present application, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more features.

[0040] In this article, specific examples are used to elaborate on the principles and implementation manners of the present application. The descriptions of the above embodiments are only used to help understand the method and its core idea of the present application; at the same time, for those skilled in the art, according to the idea of the present application, there will be changes in the specific implementation manners and application scopes. In summary, the content of this specification should not be construed as a limitation to the present application.

Claims

1. A life raft hoisting device, characterized in that, Including: A main body frame is provided with a through hole for a life raft to pass through; At the top of the main body frame, there are a cross beam, a first lifting ring and a plurality of second lifting rings. The plurality of second lifting rings are distributed at the ends of the main body frame; the first lifting ring is connected to the lower side wall of the cross beam and is jointly connected to a rope of a fixture of the life raft with the plurality of second lifting rings; A plurality of positioning members are arranged at the positioning stations of the main body frame. The plurality of positioning members are arranged along the horizontal direction and are at the same height; the plurality of positioning members are arranged annularly along the inner side wall of the through hole and are distributed around the fixture connected to the life raft to be positioned and connected to each side surface of the fixture; A positioning cable with a fixed length is connected between the positioning member and the fixture; One end of the positioning member is bent with a hook portion, the hook portion hooks one end of the positioning cable, and the other end of the positioning cable is connected to the fixture; The main body frame is formed by enclosing a plurality of brackets, and reinforcing beams are connected between the plurality of brackets; The plurality of positioning members are respectively arranged on the corresponding reinforcing beams. The plurality of positioning members are movably installed on the corresponding reinforcing beams and move along the horizontal direction so that the plurality of positioning members respectively adjust the position of the fixture.

2. The life raft hoisting device according to claim 1, characterized in that, The bottoms of the plurality of brackets are connected to the upper surface of the hull; the through hole is arranged relative to the life raft installation groove of the hull and is communicated with the life raft installation groove in the vertical direction.

3. The life raft hoisting device according to claim 2, characterized in that, The plurality of reinforcing beams are arranged along the horizontal direction and are at the same height and enclose to form an annular beam.

4. The liferaft hoisting device according to claim 3, characterized in that, The plurality of second lifting rings are distributed at the ends of the main body frame and extend upward; the first lifting ring is below the plurality of second lifting rings; the first lifting ring and the plurality of second lifting rings are all provided with lifting ring holes, and a lifting ring channel is formed by enclosing the plurality of lifting ring holes. The lifting ring channel is for a rope of a fixture connected to the life raft to pass through.

5. A life raft hoisting device according to claim 1, characterized in that, The positioning member penetrates through the reinforcing beam; one end of the positioning member away from the hook portion is provided with a threaded portion, and a rotary lock is connected to the threaded portion.

6. The life raft hoisting device according to claim 5, characterized in that, The end of the hook portion can abut against the side wall of the reinforcing beam and enclose a closed-loop groove with the side wall of the reinforcing beam.

Citation Information

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