CN110900516A

CN110900516A - Clamping tongue tensioning tool for ship containment system

Info

Publication number: CN110900516A
Application number: CN201911080225.1A
Authority: CN
Inventors: 刘海洋; 沈杰; 徐超; 高思; 杨锐
Original assignee: Hudong Zhonghua Shipbuilding Group Co Ltd
Current assignee: Hudong Zhonghua Shipbuilding Group Co Ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-03-24

Abstract

The invention discloses a clamping tongue tensioning tool for a ship containment system, which comprises: the bracket is erected above the clamping tongues, bottom corners arranged on the strake are arranged on two sides of the bracket, and a through hole with threads is arranged at the top of the bracket; the stud is in threaded connection with the through hole, one end of the stud protruding out of the support is fixedly connected with a wing nut, the other end of the stud is fixedly connected with a hook, and the hook is connected with a corresponding structure on the clamping tongue. The invention is used for the invar strake welding stage of the No96 type enclosure system, the hook pulls the clamp tongue, and the support simultaneously compresses the strake, thereby avoiding the problem of the layer difference or the gap of the strake.

Description

Clamping tongue tensioning tool for ship containment system

Technical Field

The invention belongs to the technical field of ship construction, and particularly relates to a clamping tongue tensioning tool for a ship containment system.

Background

With the increasing demand for environmental protection, the market for LNG transport vessels has expanded rapidly, and the No96 type containment system is a mature cargo tank technology, which has been in history for nearly 50 years. Since the technology is introduced from 2004 in China, 21 large LNG ships are successfully delivered at present.

Invar strakes are the main material of cargo tank membranes, and are welded together by seam welding with a latch, and an insulating layer is arranged below. In the operation process of the ship, the root of the invar strake must be closely attached to the surface of the insulating box so as to ensure good support.

However, in the actual welding process, the traditional process is manual lifting, and the gap or layer difference problem can be detected by using a special bracket (figure 1), but the problem cannot be avoided 100%. Once a defect occurs, the strake must be removed and reinstalled.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a clamping tongue tensioning tool for a ship enclosure system, and part of embodiments of the clamping tongue tensioning tool can be used for a welding stage of invar strakes of a No96 type enclosure system, a hook lifts the clamping tongue, and a support simultaneously compresses the strakes, so that the problem of layer difference or gap of the strakes is avoided.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a taut frock of boats and ships containment system block tongue, taut frock includes: the bracket is erected above the clamping tongues, bottom corners arranged on the strake are arranged on two sides of the bracket, and a through hole with threads is arranged at the top of the bracket; the stud is in threaded connection with the through hole, one end of the stud protruding out of the support is fixedly connected with a wing nut, the other end of the stud is fixedly connected with a hook, and the hook is connected with a corresponding structure on the clamping tongue.

Preferably, one end of the stud, which is positioned on the inner side of the bracket, is in threaded connection with a limiting nut.

Preferably, the hook is S-shaped, and a hole for hanging one end of the hook is formed in the bottom of one end, located on the inner side of the support, of the stud.

Preferably, the hook comprises: the spring is fixedly connected with one end of the hook, and the other end of the spring is fixedly connected with the stud.

Preferably, the bottom of the bottom corner is fixedly connected with a rubber pad.

Compared with the prior art, the invention has the beneficial effects that: the problem of the lamination difference in the welding process of the strake is solved, the operation method is simple and convenient, safe and reliable, the quality is improved, and meanwhile, the production efficiency is also improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a gap between a latch and a strake.

Fig. 2 is a schematic view of a tensioning tool.

Fig. 3 is a schematic view of the installation of the tensioning tool.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

As shown in fig. 1 to 3, the present embodiment provides a method for tensioning a latch of a ship containment system, where the method is based on a latch tensioning tool, and the tensioning tool includes: the support 1 is erected above the clamping tongue 8, bottom corners arranged on the strake 7 are arranged on two sides of the support 1, and a through hole with threads is formed in the top of the support 1; the stud 2 is in threaded connection with the through hole, one end of the stud 2, which protrudes out of the support 1, is fixedly connected with a wing nut 3, the other end of the stud 2 is fixedly connected with a hook 4, and the hook 4 is connected with a corresponding structure on the clamping tongue 8; the method comprises the following steps: the tensioning tool is integrally assembled, and the wing-shaped nut 3 is rotated to enable the stud 2 to face downwards as much as possible; the hook 4 is hooked on the clamping tongue 8, and the wing-shaped nut 3 is rotated to enable the stud 2 to be upward until the support 1 compresses the strake 7; tensioning tools are arranged at a plurality of end positions of the clamping tongues 8, so that the clamping tongues 8 and the strakes 7 meet the assembly requirement; spot welding the clamp tongue 8 on the strake 7, and carrying out layer difference inspection; and (5) dismantling the tensioning tool after the layer difference reaches the standard.

One end of the stud 2, which is positioned at the inner side of the bracket 1, is connected with a limit nut 5 through threads.

The hook 4 is S-shaped, and a hole for hanging one end of the hook 4 is arranged at the bottom of one end of the stud 2 positioned at the inner side of the support 1.

The hook 4 includes: a hook used for being connected with a corresponding structure on the clamping tongue 8, and a spring with one end fixedly connected with the hook, and the other end of the spring is fixedly connected with the stud 2.

The bottom of the base angle is fixedly connected with a rubber pad 6.

Preferably, in another embodiment, a No96 type enclosure system clamping tongue tensioning method is disclosed, which comprises six parts, namely a bracket 1, a stud 2, a wing-shaped nut 3, a stainless steel hook 4, a nut 5 and a rubber pad 6. The method is characterized in that: the top of the bracket 1 is provided with a hole and is provided with a stud 2; the tail end of the stud 2 is provided with a hole and is connected with a stainless steel hook 4; the wing nut 3 is matched with the stud and is adjustable; the nut 5 is matched with the stud 2; the rubber pad 6 is stuck to the bottom of the bracket.

The bracket 1 is made of aluminum alloy and is shaped like a Chinese character 'ji', and a rubber pad 6 is attached to the bottom of the bracket and used for protecting the lower parts; the middle of the top is provided with an opening for connecting the stud 2.

The stud 2, the wing-shaped nut 3 and the nut 5 are stainless steel kits, and the thread specification is M6; the wing nut 3 plays a role in adjusting the height; the nut 5 serves as a limit.

A small hole with the diameter of 3.5mm is formed at the tail end of the stud 2 and is used for connecting a stainless steel hook 4 with the diameter of 3 mm; the stainless steel hook 4 is S-shaped and can hook the bottom clamping tongue.

The operation sequence is as follows:

1. the tensioner is integrally assembled, and the wing-shaped nut is rotated to enable the hook to be downward as much as possible;

2. a hook is arranged at the end of the clamping tongue, and the wing-shaped nut is adjusted, so that the support compresses the strake;

3. installing tensioners at other end positions, and checking the tensioning state;

4. performing spot welding by using an MO1 welding machine, and performing layer difference inspection by using a bracket after the spot welding;

5. and (5) removing the clamping tongue strainer after the layer is error-free.

The method is used for an invar strake welding stage of a No96 type enclosure system, the hook lifts the clamping tongue, and the support simultaneously compresses the strake, so that the problem of layer difference or clearance of the strake is avoided.

Although the present invention has been described in detail with respect to the above embodiments, it will be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention may be made without departing from the spirit and scope of the invention, and these modifications and improvements are within the spirit and scope of the invention.

Claims

1. The utility model provides a taut frock of boats and ships containment system block tongue which characterized in that, taut frock includes:

the support (1) is erected above the clamping tongue (8), bottom corners arranged on the strake (7) are arranged on two sides of the support (1), a threaded through hole is formed in the top of the support (1), and the support (1) is made of aluminum alloy;

stud (2), stud (2) threaded connection be in the through-hole, stud (2) protrusion is in support (1) outer one end fixedly connected with wing nut (3), the other end fixedly connected with couple (4) of stud (2), couple (4) with the structural connection who corresponds on block tongue (8).

2. The clamping tongue tensioning tool for the ship containment system according to claim 1, wherein a limit nut (5) is connected to one end, located on the inner side of the support (1), of the stud (2) in a threaded mode.

3. The ship containment system clamping tongue tensioning tool according to claim 1, wherein the hook (4) is S-shaped, and a hole for hanging one end of the hook (4) is formed in the bottom of one end, located on the inner side of the support (1), of the stud (2).

4. The ship containment system clamping tongue tensioning tool of claim 1, wherein the hook (4) comprises: the spring is fixedly connected with one end of the hook, and the other end of the spring is fixedly connected with the stud (2).

5. The ship containment system clamping tongue tensioning tool according to claim 1, wherein a rubber pad (6) is fixedly connected to the bottom of the bottom corner.