CN210793585U

CN210793585U - Arrangement type of life raft and special crane and life raft frame supporting device

Info

Publication number: CN210793585U
Application number: CN201921368567.9U
Authority: CN
Inventors: 罗艳芬; 刘磊
Original assignee: JIANGSU ZHENJIANG SHIPYARD (GROUP) CO Ltd
Current assignee: JIANGSU ZHENJIANG SHIPYARD (GROUP) CO Ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-06-19
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a life raft and special loop wheel machine's arrangement form and life raft frame strutting arrangement, including setting up life raft and special loop wheel machine at open deck rear portion in pairs, life raft and life raft frame set up respectively in the passageway of two sides about open deck rear portion, and special loop wheel machine sets up respectively on the apex angle position of the port and starboard at open deck rear portion. The base of the life raft frame is welded and fixed at the lower side of the life raft frame, and the periphery of the base of the life raft frame is limited by a base limiting frame fixed on the passage. The utility model discloses reduced the davit amplitude of rotation of special loop wheel machine, saved the valuable time of fleing for the crew. The utility model discloses but manual rotation davit, greatly reduced the manufacturing requirement of special loop wheel machine, reduced the construction cost of boats and ships. When the life raft needs to be transferred to the side board, the life raft frame and the base of the life raft frame can be conveniently and quickly pushed to one end of the weather deck by one person, so that the life saving efficiency is greatly improved.

Description

Arrangement type of life raft and special crane and life raft frame supporting device

Technical Field

The utility model relates to a boats and ships lifesaving equipment and arrangement type of lifesaving equipment loop wheel machine still relates to the lifesaving raft frame strutting arrangement who adds in lifesaving raft frame bottom, belongs to boats and ships safety coefficient technical field.

Background

All vessels performing the SOLAS (international maritime life safety) convention must be arranged with a liferaft that can be easily transferred side-to-side or else additional liferafts must be provided. In addition, convention requires that within 10 minutes after a ship is in distress and a ship abandon signal is sent, the life raft must bear a sufficient number of passengers and accessories to fall to the water surface. To meet this requirement, as shown in fig. 1, a wide weather deck 10 is left at a midship line of a ship implementing the SOLAS convention in the prior art, and two life rafts 1 and life raft frames 2 are collectively arranged at the rear end of the weather deck 10 (the utility model discloses define that the partial top view of the ship body in fig. 1 is port side on the upper side and starboard side on the lower side), and is close to a midship line a-a of the ship, so as to ensure that any one life raft can be hung by a special crane 20 on both sides of the ship through a hanging arm 201. Before the life raft 1 is lifted for use, the life raft 1 needs to be rotated greatly (the rotation angle is more than or equal to 180 degrees) from the position of a midship line A-A to the outer side of a person boarding point on two sides of a ship body, and the life raft 1 can be put into use. The large-scale rotation of the suspension arm 201 wastes valuable escape time, and also puts an excessively high requirement on the rotation speed of the suspension arm 201, which increases the manufacturing difficulty of the special crane 20.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, special loop wheel machine's davit turned angle is little, just can promote special loop wheel machine's davit pivoted life raft and special loop wheel machine's the pattern of arranging and life raft frame strutting arrangement through manual drive.

The utility model discloses a following technical scheme realizes:

the arrangement type of the life raft and the special crane and the support device of the life raft frame comprise the life raft and the special crane which are arranged at the rear part of an open deck in pairs, wherein the life raft is fixed on the life raft frame through a binding system; the life raft and the life raft frame are respectively arranged in passageways on the left side and the right side of a weather deck, the special cranes are respectively arranged on the top angles on the two sides of the rear part of the weather deck, the base of the life raft frame is welded and fixed on the lower side of the life raft frame, and the periphery of the base of the life raft frame is limited by a base limiting frame fixed on the passageways.

The object of the invention is further achieved by the following technical measures.

Further, the base of the life raft frame comprises a rectangular frame formed by welding profile steel and rollers respectively arranged below four corners of the rectangular frame, the shape of the rectangular frame is matched with that of the life raft frame, and the rectangular frame is welded and fixed on the lower side of the life raft frame.

Furthermore, the base limit frames are two symmetrically arranged frames with inverted L-shaped plane projection, the frames are vertically welded and fixed on the passageways of the left side and the right side of the rear portion of the weather deck, the three sides of the base limit frames contain the base of the life raft frame, the base limit frames are open towards one side of the midship line A-A, and the locking mechanisms of the base of the life raft frame are arranged on the base of the life raft frame and the base limit frames towards one side of the midship line A-A.

Furthermore, the base locking mechanism of the lifesaving raft comprises a bolt rod and a limiting pipe, one end of the bolt rod is fixedly welded with the middle part of the circular arc-shaped pull ring, the other end of the bolt rod sequentially penetrates through the open side formed by one ends of the two frames, and the raft base contained by the two frames directly extends into the limiting pipe vertically welded and fixed at one end of the frame after facing to one end of a midship line A-A.

The utility model discloses a set up life raft and life raft frame respectively in the passageway of starboard side about the open deck rear portion, special loop wheel machine sets up respectively on the apex angle position of the port and starboard side at open deck rear portion, and the life raft is arranged the pattern of arranging in the passageway of starboard side about respectively, need not concentrate on midship line position and arranges the life raft to the deck space has been saved greatly. After the special crane lifts the corresponding life rafts arranged on the left and right gunwales, the lifting arm only needs to rotate by a small amplitude, and the life rafts can be respectively moved to the two outsides of the ship body, thereby not only saving precious escape time for the crew, but also greatly reducing the requirement on the special crane. The lifting arm is rotated by manually driving the lifting arm transmission device of the special crane, so that the special crane can completely meet the lifting requirement of the life raft without being provided with a motor-hydraulic oil pump power device and various hydraulic valve hydraulic systems, and the construction cost of the ship is reduced. The utility model discloses a life raft frame base welded fastening is at the downside of life raft frame, and life raft frame base is peripheral through fixing the spacing structure of the spacing frame of base in the passageway, when needing to shift the life raft to port or starboard, only needs to extract the bolt pole, and alone operation can promote the one end on open deck with life raft, life raft frame together with life raft frame base very conveniently fast, has improved lifesaving efficiency greatly.

The advantages and features of the invention will be illustrated and explained by the following non-restrictive description of preferred embodiments, which are given by way of example only with reference to the accompanying drawings.

Drawings

Fig. 1 is a layout of a prior art life raft and dedicated crane for performing SOLAS convention on a rear portion of a weather deck;

fig. 2 is a layout view of the life raft and the special crane of the present invention in the aisles on the left and right sides of the weather deck;

fig. 3 is a schematic view of the connection of the liferaft, the liferaft frame and the lashing system with the liferaft frame base, the base limiting frame and the liferaft frame base locking mechanism of the present invention;

fig. 4 is an enlarged sectional view B-B of fig. 3.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 2 and 3, the present invention comprises a life raft 1 and a special crane 20 which are arranged in pairs at the rear part of an open deck 10, wherein the life raft 1 is fixed on a life raft frame 2 through a binding system 3. The life raft 1 and the life raft frame 2 at the lower part thereof are respectively arranged in the passageways 101 at the left and right sides of the weather deck 10, and the special cranes 2 are respectively arranged at the top angles at the two sides of the rear part of the weather deck 10. The base 4 of the life raft frame is welded and fixed at the lower side of the life raft frame 2, and the periphery of the base 4 of the life raft frame is limited by the base limiting frame 5 fixed on the passage 101.

As shown in fig. 3, the base 4 of the life raft frame comprises a rectangular frame 41 formed by welding angle steel and rollers 42 respectively arranged below four corners of the rectangular frame, the shape of the rectangular frame 41 is matched with that of the life raft frame 2, the rectangular frame 41 is welded and fixed on the lower side of the life raft frame 2, and the rectangular frame 41 and the life raft frame 2 form a whole, so that the life raft 1 together with the life raft frame 2 and the base 4 of the life raft frame can be transferred by pushing the life raft 1 by one person under the support of the 4 rollers 42.

As shown in fig. 2 and 4, the base limiting frames 5 are two symmetrically arranged side frames 51 with inverted L-shaped plane projection, the side frames 51 are formed by welding flat steels and are vertically welded and fixed on the aisles 101 on the left side and the right side of the weather deck 10, the base limiting frames 5 enclose three surfaces of the life raft frame base 4, the base limiting frames 5 are open towards one side of the midship line a-a, and the life raft frame base locking mechanisms 6 are arranged in the side of the life raft frame base 4 and the base limiting frames 5 towards the midship line a-a.

As shown in fig. 3, the base locking mechanism 6 of the liferaft comprises a bolt rod 61 and a limiting pipe 62, wherein the right end of the bolt rod 61 is welded and fixed with the middle part of a circular pull ring 611, which is convenient for manual operation. The left end of the bolt rod 61 sequentially penetrates through the open side formed by the two frames 51, and the raft frame base 4 contained by the two frames 51 directly extends into the limiting pipe 62 vertically welded and fixed at the left end of the frame 51 after facing one end of a midship line A-A, so that the base 5 of the life raft can be firmly fixed in the base limiting frame 5 and cannot move due to rolling of 4 rollers 42 at the bottom of the base limiting frame 5.

When the life raft 1 is needed to be used, if the life raft 1 does not need to be transferred, the special crane 20 can be used for hoisting the life raft 1 only by unfastening the binding system 3, the life raft frame 2 and the life raft frame base 4 are left in the lower base limiting frame 5, and the normal operation of hoisting the life raft 1 away from a ship is not influenced completely. If the life raft 1 needs to be transferred, the bolt rod 61 connecting the base 4 of the life raft frame and the base limiting frame 5 is pulled out only by one person, so that the life raft 1, the life raft frame 2 and the base 4 of the life raft frame can be pulled out of the base limiting frame 5 conveniently, and the life raft frame can be quickly pushed to the left end of the weather deck 10 along the arrow direction shown in fig. 2, and the use is very convenient.

In addition to the above embodiments, the present invention can also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims

1. The arrangement type of the life raft and the special crane and the support device of the life raft frame comprise the life raft and the special crane which are arranged at the rear part of an open deck in pairs, wherein the life raft is fixed on the life raft frame through a binding system; the method is characterized in that: the life raft and the life raft frame are respectively arranged in passageways on the left side and the right side of a weather deck, the special cranes are respectively arranged on the top angles on the two sides of the rear part of the weather deck, the base of the life raft frame is welded and fixed on the lower side of the life raft frame, and the periphery of the base of the life raft frame is limited by a base limiting frame fixed on the passageways.

2. An arrangement of a liferaft and a dedicated crane, and a liferaft frame support means according to claim 1, wherein: the base of the lifesaving raft frame comprises a rectangular frame formed by welding profile steel and rollers arranged below four corners of the rectangular frame respectively, the shape of the rectangular frame is matched with that of the lifesaving raft frame, and the rectangular frame is welded and fixed on the lower side of the lifesaving raft frame.

3. An arrangement of a liferaft and a dedicated crane, and a liferaft frame support means according to claim 1, wherein: the base limiting frames are two symmetrically arranged frames with inverted L-shaped plane projections, the frames are vertically welded and fixed on the aisles of left and right side boards at the rear portion of a weather deck, three sides of the base limiting frames contain the base of the life raft frame, one side of the base limiting frame facing to a midship line A-A is open, and the locking mechanism of the base of the life raft frame is arranged in one side of the base of the life raft frame and one side of the base limiting frame facing to the midship line A-A.

4. A form of arrangement of a liferaft and a dedicated crane, and a liferaft frame support means according to claim 3, wherein: the lifesaving raft frame base locking mechanism comprises a bolt rod and a limiting pipe, one end of the bolt rod is welded and fixed with the middle of the circular arc-shaped pull ring, the other end of the bolt rod sequentially penetrates through an open side formed by one ends of the two frames, and the raft frame base contained by the two frames directly extends into the limiting pipe vertically welded and fixed at one end of the frames after facing to one end of a midship line A-A.