WO2018218882A1

WO2018218882A1 - Semi-submersible lifeboat remote control device

Info

Publication number: WO2018218882A1
Application number: PCT/CN2017/111442
Authority: WO
Inventors: 屠道刚; 赵秀坤
Original assignee: 广船国际有限公司
Priority date: 2017-05-27
Filing date: 2017-11-16
Publication date: 2018-12-06
Also published as: CN206750082U

Abstract

Provided is a semi-submersible lifeboat remote control device, comprising a weight block (12) and a fixing clamp (13). The weight block (12) is sleeved on a remote control wire rope (11) and slidably connected to the remote control wire rope (11). The fixing clamp (13) is sleeved on the remote control wire rope (11) at the lower end of the weight block (12). The fixing clamp (13) is clamped on the remote control wire rope (11) for limiting the weight block (12), and the position of the fixing clamp (13) on the remote control wire rope (11) is adjustable. When the weight block (12) falls to a first mounting hole (14), the fixing clamp (13) can pass through the first mounting hole (14) at the top end of a lifeboat (15). Continue pulling the remote control wire rope (11), a boat hoist wire rope can be synchronized with the remote control wire rope (11), and the lifeboat (15) is smoothly and steadily placed on the water surface. The device has the advantages of simple structure, low cost and small construction workload.

Description

Semi-submersible lifeboat remote control device

Technical field

The utility model relates to the technical field of ships, in particular to a remote control device for a semi-submersible lifeboat.

Background technique

The lifeboat's boat frame mainly includes free fall type, fast boat drop type, connecting rod type, platform type, gravity type and so on. Among them, the gravity davit is widely used in semi-submersible ships.

The gravity davit is a device that relies on the lifeboat of the lowered lifeboat and the person's own gravity to lower the lifeboat to the surface of the water. The lifeboat's lowering speed is controlled by controlling the gravity brakes on the winch of the boat when the lifeboat is lowered. When the boat is remotely controlled, the lowering boat is realized by the remote control wire rope and the pulley block pulling the brake device of the boat winch.

When the personnel in the boat are lowered by the wire control boat, the rope of the davit and the remote control wire rope are simultaneously put on the rope. In order to smoothly lower the lifeboat to the water surface, the rope of the davit is required to be synchronized with the remote control wire rope, the rope rope of the davit and The length of the wire rope placed on the remote control wire rope is the same. Due to the particularity of the semi-submersible vessel, the lifeboat is positioned at a height from the water surface, as shown in Figure 1, when the lifeboat 300 is lowered more than 30 meters, due to a fixed gravity block 200 on the remote control rope 100 that runs through the top of the lifeboat 300. Blocking the control of the remote control wire rope 100 by the personnel inside the boat, resulting in the brake of the boat winch. In addition, it is difficult to synchronize the rope of the davit with the remote control wire rope, which makes it difficult for the lifeboat to be smoothly lowered to the surface.

Utility model content

The purpose of the utility model is to provide a remote control device for a semi-submersible lifeboat to solve the technical problem that the rope rope of the davit and the remote control wire rope are not synchronized when the lifeboat is lowered in the prior art.

As contemplated above, the technical solution adopted by the present invention is:

A semi-submersible lifeboat remote control device comprising:

a gravity block, which is sleeved on the remote control wire rope and slidably connected with the remote control wire rope;

a fixing collet sleeved on the remote control wire rope and located below the gravity block, the fixing collet includes a collet core and a collet cap, and the collet core is sleeved on the remote control wire rope The collet cap is sleeved outside the collet core to clamp the collet core to the remote control wire, and the retaining collet can pass through a first mounting hole at the top of the lifeboat.

The fixing collet further includes a collet housing, one end of the collet core is connected to the collet housing, and the collet cap is sleeved on the collet core and the clip is The head housing is screwed.

Wherein, the collet core comprises a connecting portion and a clamping portion, the connecting portion is located in the collet housing, and the collet cap is sleeved on the clamping portion.

Wherein, the connecting portion and the chuck housing are integrally formed.

Wherein, the clamping portion is provided with a plurality of notches extending along the axial direction of the clamping portion and communicating with the inner hole of the collet core.

Wherein, the notches have four and are evenly distributed along the circumference of the collet core.

Wherein the clamping portion comprises four clamping protrusions circumferentially distributed along the inner hole of the collet core, and the notch is disposed between two adjacent clamping protrusions, the clip The tight protrusions are circumferentially distributed with the convexities on the inner holes of the collet core.

Wherein, the outer surface of the chuck cap is provided with a plurality of anti-slip protrusions, and the anti-slip protrusions are evenly distributed along the circumferential direction of the collet cap.

The center of the gravity block is provided with a second mounting hole, and the gravity block is disposed on the remote control wire through the second mounting hole.

The second mounting hole has a diameter of 4 to 8 mm.

The new beneficial effects of this utility:

The semi-submersible lifeboat remote control device proposed by the utility model comprises a gravity block and a fixed chuck, gravity The block sleeve is arranged on the remote control wire rope and is slidably connected with the remote control wire rope; the fixed clamp head is sleeved on the remote control wire rope and located below the gravity block, the fixed chuck head comprises a chuck core and a chuck cap, and the chuck core sleeve is arranged on the remote control wire rope The chuck cap is sleeved outside the collet core, so that the collet core is clamped on the remote control wire rope for limiting the gravity block, and the position of the fixed collet on the remote control wire rope can be adjusted according to actual needs; The head can pass through the first mounting hole at the top of the lifeboat. When the gravity block falls to the first mounting hole, the fixing chuck can pass through the first mounting hole at the top of the lifeboat, and the gravity block cannot pass through the first mounting hole, Continue to pull the remote control wire rope, so that the rope of the davit is synchronized with the remote control wire rope, and finally the lifeboat is smoothly placed on the water surface, the construction workload is small, the structure is simple and easy to implement, and the cost is low.

DRAWINGS

1 is a schematic structural view of a remote control device for a semi-submersible lifeboat provided by the prior art;

2 is a schematic structural view of a semi-submersible lifeboat remote control device provided by the present invention;

Figure 3 is an enlarged view of A;

Figure 4 is a schematic exploded view of the fixing collet provided by the present invention;

Figure 5 is a schematic exploded view of the fixing collet provided by the present invention;

Figure 6 is an enlarged view of a portion A in Figure 5.

In the picture:

100, remote control wire rope; 200, fixed gravity block; 300, lifeboat;

11, remote control wire rope;

12. Gravity block; 121, second mounting hole;

13. Fixed chuck; 131, collet core; 132, collet cap; 133, collet housing; 1311, notch; 1312, clamping protrusion; 1313, card convex; 1321, non-slip protrusion;

14. The first mounting hole;

15. Lifeboats.

detailed description

In order to make the technical problems, the technical solutions, and the technical effects achieved by the present invention more clear, the technical solutions of the present invention will be further described below with reference to the accompanying drawings. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, it should be noted that, for the convenience of description, only some but not all of the related to the present invention are shown in the drawings.

Referring to Figures 2 to 6, the utility model provides a semi-submersible lifeboat remote control device, which can be used for the installation of a newly built semi-submersible ship, and can also be used for the transformation of a semi-submersible ship that has been delivered for operation.

The semi-submersible lifeboat remote control device comprises a gravity block 12 and a fixed chuck 13 , and the gravity block 12 is sleeved on the remote control wire rope 11 and slidably connected with the remote control wire rope 11;

The fixing chuck 13 is sleeved on the remote control wire rope 11 and located below the gravity block 12. The fixing chuck 13 includes a chuck core 131 and a chuck cap 132. The chuck core 131 is sleeved on the remote control wire rope 11, and the chuck cap 132 The sleeve core 131 is disposed outside the chuck core 131 to clamp the chuck core 131 to the remote control wire rope 11 for limiting the gravity block 12, and the position of the fixed chuck 13 on the remote control wire rope 11 can be adjusted according to actual needs; The fixing collet 13 can pass through the first mounting hole 14 at the top end of the lifeboat 15, and when the gravity block 12 falls to the first mounting hole 14, the fixing collet 13 can pass through the first mounting hole 14 at the top end of the lifeboat 15, the gravity block 12 can not pass through the first mounting hole 14, then the remote control wire rope 11 can be continuously pulled, so that the lifeboat rope is synchronized with the remote control wire rope 11, and finally the lifeboat 15 is smoothly placed on the water surface, the construction workload is small, the structure is simple and easy to implement, and the cost is low. .

The fixing collet 13 further includes a collet housing 133. One end of the collet core 131 is connected to the collet housing 133. The collet cap 132 is sleeved on the collet core 131 and can be screwed to the collet housing 133.

An end of the collet housing 133 near the collet cap 132 is provided with an external thread (not shown), and the collet cap 132 is provided with an internal thread (not shown), and the external thread cooperates with the internal thread. Chuck cap 132 The outer surface is provided with a non-slip protrusion 1321, and the non-slip protrusion 1321 is evenly distributed along the circumferential direction of the chuck cap 132, so as to facilitate the tightening of the chuck cap 132.

The collet core 131 includes a connecting portion and a clamping portion, and the connecting portion is located in the collet housing 133, and the collet cap 132 is sleeved on the clamping portion and connected to the collet housing 133. In this embodiment, the outer diameter of the connecting portion is smaller than the outer diameter of the clamping portion, and the connecting portion of the collet core 131 is inserted into the inner hole of the collet housing 133, and the step between the connecting portion and the clamping portion abuts The edge of the collet housing 133.

A plurality of notches 1311 are defined in the clamping portion, and the notches 1311 extend in the axial direction of the clamping portion and communicate with the inner hole of the chuck core 131. There are four notches 1311 and are evenly distributed along the circumference of the collet core 131. The notch 1311 is disposed such that the clamping portion has a certain elasticity.

The clamping portion includes four clamping protrusions 1312 circumferentially distributed along the inner hole of the chuck core 131, and a notch 1311 is disposed between the adjacent two clamping protrusions 1312, and the clamping protrusion 1312 is placed on the chuck The inner hole of the core 131 is circumferentially distributed with a card protrusion 1313.

When the collet cap 132 is sleeved on the clamping portion, the clamping protrusion 1312 is pressed, and the clamping protrusion 1312 can clamp the remote control wire 11 inside the collet core 131 under the action of the collet cap 132. When the collet cap 132 is removed, the clamping projection 1312 is elastically opened to release the remote control wire rope 11, and the position of the fixing collet 13 on the remote control wire 11 can be adjusted. The arrangement of the card projection 1313 increases the friction between the clamping projection 1312 and the remote control wire rope 11 to further clamp the remote control wire rope 11. In the present embodiment, two clamping protrusions 1313 are disposed on each of the clamping protrusions 1312.

A second mounting hole 121 is defined in the center of the gravity block 12, and the gravity block 12 is disposed on the remote control wire rope 11 through the second mounting hole 121. The second mounting hole 121 has a diameter of 4 to 8 mm. The diameter of the second mounting hole 121 depends on the actual situation. In the present embodiment, the diameter of the second mounting hole 121 is 6 mm.

The connecting portion may be integrally formed with the collet housing 133. As shown in FIG. 5, the clamping portion is located at one end of the collet housing 133 and serves as a part of the collet housing 133. One-piece setup not only increases the fixing The strength of the chuck is also convenient for production and processing, which is conducive to mass production, simplifies the structure and reduces the number of parts.

The above embodiments are merely illustrative of the basic principles and characteristics of the present invention. The present invention is not limited to the above embodiments, and various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention. Variations and modifications are intended to fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and their equivalents.

Claims

A semi-submersible lifeboat remote control device, comprising:

a gravity block, which is sleeved on the remote control wire rope and slidably connected with the remote control wire rope;

a fixing collet sleeved on the remote control wire rope and located below the gravity block, the fixing collet includes a collet core and a collet cap, and the collet core is sleeved on the remote control wire rope The collet cap is sleeved outside the collet core to clamp the collet core to the remote control wire, and the retaining collet can pass through a first mounting hole at the top of the lifeboat.
The semi-submersible lifeboat remote control device according to claim 1, wherein the fixing collet further comprises a collet housing, and one end of the collet core is connected to the collet housing, the collet The cap sleeve is screwed onto the collet housing after being disposed on the collet core.
The semi-submersible lifeboat remote control device according to claim 2, wherein the collet core comprises a connecting portion and a clamping portion, the connecting portion is located in the collet housing, and the collet cap is sleeved On the clamping portion.
The semi-submersible lifeboat remote control device according to claim 3, wherein the connecting portion and the collet housing are integrally formed.
The semi-submersible lifeboat remote control device according to claim 4, wherein the clamping portion is provided with a plurality of notches, the notches extending along the axial direction of the clamping portion and with the collet core The inner holes are connected.
The semi-submersible lifeboat remote control device according to claim 5, wherein the notches are four and evenly distributed along the circumference of the collet core.
The semi-submersible lifeboat remote control device according to claim 6, wherein the clamping portion comprises four clamping projections circumferentially distributed along the inner hole of the collet core, adjacent to the two The notches are disposed between the clamping protrusions, and the clamping protrusions are circumferentially distributed with a concavity on the inner hole of the collet core.
The semi-submersible lifeboat remote control device according to any one of claims 1 to 7, wherein a plurality of non-slip protrusions are disposed on an outer surface of the chuck cap, and the anti-slip protrusions are along the chuck cap. The circumferential direction is evenly distributed.
The semi-submersible lifeboat remote control device according to any one of claims 1 to 7, wherein a center of the gravity block is provided with a second mounting hole, and the gravity block is passed through the second mounting hole. On the remote control wire rope.
The semi-submersible lifeboat remote control device according to claim 9, wherein the second mounting hole has a diameter of 4 to 8 mm.