CN215285204U

CN215285204U - Fastening device for insulating layer and hull structure of LNG transport ship

Info

Publication number: CN215285204U
Application number: CN202120849191.4U
Authority: CN
Inventors: 高雯雯; 秦毅
Original assignee: Hudong Zhonghua Shipbuilding Group Co Ltd
Current assignee: Hudong Zhonghua Shipbuilding Group Co Ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-12-24
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a fastener for LNG transport ship insulating layer and hull structure, including handle, perpendicular setting at the coupling assembling of handle tip, set up the device of screwing in the coupling assembling bottom, the draw-in groove that is used for the solid nut of card is offered to the bottom of the device of screwing, and the device of screwing is inside to be seted up to encircle the jump ring groove of draw-in groove, the steel ball slide that is linked together with draw-in groove and jump ring groove, the jump ring inslot is provided with the jump ring, is provided with the steel ball in the steel ball slide. The utility model discloses simple structure, operation convenient to use. By using the fastening device, the nut and the gasket can be quickly installed in place, so that the insulating layer is fixed on the hull structure, the installation efficiency of the insulating layer is greatly improved, and the construction time is shortened.

Description

Fastening device for insulating layer and hull structure of LNG transport ship

Technical Field

The utility model relates to a shipbuilding technical field especially relates to a fastener that is used for LNG transport ship insulating layer and hull structure.

Background

The installation of the insulating layer is an important ring for manufacturing the LNG transport ship, and the insulating layer is fixed on a ship body structure through a plurality of fixing bolts. In the prior installation process, the insulating layer has certain thickness, the reserved installation space is very limited, and the central lines of the installation holes and the fixing bolts are always in point deviation, so that the nuts and the bolts are difficult to install smoothly, the construction period of the ship is prolonged, and the construction cost is increased.

Disclosure of Invention

In view of this, the utility model provides a fastener for LNG transport ship insulating layer and hull structure for solve the problem that exists in the above-mentioned background art.

The utility model provides a fastener for LNG transport ship insulating layer and hull structure, includes the handle, sets up at the coupling assembling of handle tip perpendicularly, sets up the screwing device in the coupling assembling bottom, the draw-in groove that is used for the solid nut of card is offered to the bottom of screwing device, and the screwing device is inside to be offered and to be encircled the jump ring groove of draw-in groove, the steel ball slide that is linked together with draw-in groove and jump ring groove, the jump ring inslot is provided with the jump ring, remains between the terminal of jump ring and the outer cell wall in jump ring groove and sets for the clearance, be provided with the steel ball in the steel ball slide.

Preferably, the connecting assembly comprises a connecting rod connected with the handle and a sleeve sleeved at the bottom of the connecting rod.

Preferably, the sleeve is of an inner hollow structure, two bulges are symmetrically arranged on the inner wall of the upper part of the sleeve, and grooves matched with the bulges are arranged on the outer wall of the connecting rod.

Preferably, the length of the sleeve is longer than the length of the fixing bolt on the hull structure.

Preferably, a notch extends outwards from the lower edge of the clamping groove, and a magnet is installed in the notch.

Preferably, the bottom of the card slot is also provided with a magnet.

Preferably, the shape of the clamping groove is matched with that of the nut.

Preferably, the screwing device is of an eccentric structure, the steel ball slideway is in a frustum shape, and part of the ball body of the steel ball extends out of the steel ball slideway.

The utility model has the advantages that:

1. the utility model discloses simple structure, operation convenient to use. By using the fastening device, the nut and the gasket can be quickly installed in place, so that the insulating layer is fixed on the hull structure, the installation efficiency of the insulating layer is greatly improved, and the construction time is shortened.

2. The utility model discloses a fastener can reuse, and can select corresponding rotary device according to the size of nut to realize rotary device's change with the telescopic mode of change.

3. Through designing rotary device into eccentric structure, can realize the quick alignment of nut, packing ring and fixing bolt, improve the installation effectiveness.

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 embodiments will be briefly described below, and it is obvious that the drawings in the following description 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 these drawings without creative efforts.

Fig. 1 is a front view of the present invention.

Fig. 2 is a usage state diagram of the present invention.

Fig. 3 is a schematic view of the connection of the sleeve and the rotating device.

Fig. 4 is a sectional view taken along line a-a in fig. 3.

Fig. 5 is a schematic structural view of the rotating device after the nut is placed.

The reference numerals in the figures have the meaning:

the boat body structure comprises a handle 1, a connecting rod 2, a sleeve 3, a screwing device 4, a magnet 5, a steel ball 6, a snap spring 7, a fixing bolt 8, a nut 9, a clamping groove 10, a snap spring groove 11, a steel ball slideway 12, a notch 13, an insulating layer 14 and a boat body structure 15.

Detailed Description

For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.

It should be clear that the described embodiments are only some, but not all embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings.

In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described with reference to the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

The utility model provides a fastener for LNG transport ship insulating layer and hull structure, including handle 1, set up at the coupling assembling of 1 tip of handle, set up the device of screwing 4 in the coupling assembling bottom perpendicularly.

The connecting assembly comprises a connecting rod 2 connected with the handle 1 and a sleeve 3 sleeved at the bottom of the connecting rod 2.

The sleeve 3 is of an inner hollow structure, two bulges are symmetrically arranged on the inner wall of the upper part of the sleeve 3, and grooves matched with the bulges are arranged on the outer wall of the connecting rod 2. When the sleeve 3 is sleeved at the bottom of the connecting rod 2, the bulge of the sleeve is just clamped in the groove of the connecting rod 2. The upper end of the connecting rod 2 is arranged to be a regular hexagonal prism, and the end of the handle 1 is provided with a regular hexagonal hole matched with the upper end of the connecting rod 2.

The diameter of the sleeve 3 is slightly larger than that of the fixing bolt 8 installed on the ship structure, and the length of the sleeve 3 is longer than that of the fixing bolt 8 on the ship structure. The rotating means 4 is fixed to the bottom of the sleeve 3.

The screwing device 4 is of an eccentric structure. The bottom of the screwing device 4 is provided with a clamping groove 10 for clamping the screw cap 9, a clamp spring groove 11 surrounding the clamping groove 10 and a steel ball slideway 12 communicated with the clamping groove 10 and the clamp spring groove 11 are arranged in the screwing device 4, a clamp spring 7 is arranged in the clamp spring groove 11, a set gap is reserved between the tail end of the clamp spring 7 and the outer groove wall of the clamp spring groove 11, and a steel ball 6 is arranged in the steel ball slideway 12.

In this embodiment, the shape of the locking groove at the bottom of the screwing device 4 is matched with the shape of the nut 9, that is, the locking groove is a regular hexagon, the steel ball slideway 12 is in a frustum shape, two steel balls, one larger steel ball and one smaller steel ball, are arranged in the steel ball slideway 12, the larger steel ball is close to the snap spring 7, and the smaller steel ball is close to the locking groove 10.

When the screw cap 9 is not clamped in the clamping groove 10, part of the ball body of the smaller steel ball extends out of the steel ball slide way 12, the extending part is about one third of the whole ball body, and a certain gap is reserved between the tail end of the clamp spring 7 and the outer groove wall of the clamp spring groove 11, so that a certain elastic opening space can be provided for the clamp spring 7.

When the nut 9 is clamped in the clamping groove 10, the nut 9 can extrude the small steel balls to enable the small steel balls to slide rightwards in the steel ball slide way 12, the small steel balls transmit force to the snap spring 7, the end portion of the snap spring 7 is stressed to elastically stretch outwards to generate reaction force for the steel balls, the nut 9 is reversely propped against by the steel balls under stress, and the effect of transversely fixing the nut 9 is achieved.

Preferably, a notch 13 extends outwards from the lower edge of the card slot 10, the magnet 5 is installed in the notch 13, and the thickness of the magnet 5 is about one half of the thickness of the gasket. The bottom of the card slot 10 can also be provided with a magnet 5. The magnet 5 serves to axially fix the nut 9 and the washer. By arranging the magnets 5 in the notches 13 and the slots 10 it is ensured that the nuts 9 and washers are mounted in place.

The utility model discloses a fastener's use as follows:

after the insulating layer is placed on the hull structure with the fixed bolt 8 installed, the nut 9 is clamped into the clamping groove of the rotating device 4, the gasket is tightly attached to the nut 9 and is attracted by the magnet 5, and the whole device extends into the installation hole of the insulating layer.

Then, the rotating device 4 is tightly attached to the inside of the mounting hole, carefully rotated until the nut 9 is aligned with the lower fixing bolt 8, and then the handle 1 is rotated, and the handle 1 rotates the connecting rod 2 and the sleeve 3 until the nut 9 and the washer are completely fixed at the bottom of the fixing bolt 8.

In the work progress, can change the sleeve 3 of corresponding size according to the size of nut 9, can reach the purpose of recycling this fastener, the operation is very nimble, convenient.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will appreciate that; the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a fastener for LNG transport ship insulating layer and hull structure, its characterized in that, includes the handle, sets up at the coupling assembling of handle tip perpendicularly, sets up the screwing device in the coupling assembling bottom, the draw-in groove that is used for the solid nut of card is offered to the bottom of screwing device, and the screwing device is inside to be offered and to be encircleed the jump ring groove of draw-in groove, the steel ball slide that is linked together with draw-in groove and jump ring groove, the jump ring inslot is provided with the jump ring, remains between the terminal of jump ring and the outer cell wall in jump ring groove and sets for the clearance, be provided with the steel ball in the steel ball slide.

2. The fastening device for the insulation layer and the hull structure of the LNG carrier according to claim 1, wherein the connecting member comprises a connecting rod connected to the handle and a sleeve sleeved on the bottom of the connecting rod, and the length sum of the connecting rod and the sleeve is longer than the thickness of the insulation layer.

3. The fastening device for the insulation layer and the hull structure of the LNG carrier as claimed in claim 2, wherein the sleeve is a hollow structure, two protrusions are symmetrically arranged on the inner wall of the upper part of the sleeve, and grooves matched with the protrusions are arranged on the outer wall of the connecting rod.

4. The fastening device for the insulation layer and the hull structure of the LNG carrier according to claim 3, wherein the length of the sleeve is longer than the length of the fixing bolt on the hull structure.

5. The fastening device for the insulation layer and the hull structure of the LNG carrier according to claim 1, wherein a notch is formed at the lower edge of the locking groove, and a magnet is installed in the notch.

6. The fastening device for the insulation layer and the hull structure of the LNG carrier according to claim 5, characterized in that the bottom of the clamping groove is also provided with a magnet.

7. The fastening device for the insulation layer and the hull structure of the LNG carrier according to claim 4 or 6, characterized in that the shape of the locking groove matches the shape of the nut.

8. The fastening device for the insulation layer and the hull structure of the LNG carrier according to claim 1, wherein the tightening device is an eccentric structure, the steel ball slideway is frustum-shaped, and part of the ball body of the steel ball extends out of the steel ball slideway.