CN110722516B

CN110722516B - Auxiliary device for installing LNG ship insulation box and using method thereof

Info

Publication number: CN110722516B
Application number: CN201910909925.0A
Authority: CN
Inventors: 陈诚; 鲁德智; 吉李祥; 王晓霞; 程海涛
Original assignee: Hudong Zhonghua Shipbuilding Group Co Ltd
Current assignee: Hudong Zhonghua Shipbuilding Group Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2021-06-01
Anticipated expiration: 2039-09-25
Also published as: CN110722516A

Abstract

The invention discloses an auxiliary device for installing an LNG ship insulation box and a using method thereof, wherein a plurality of rows of parallel T-shaped clamping grooves are arranged on the side wall of an insulation box panel, and the device comprises: the detachable hand-held pull rod is provided with at least two through holes, and the distance of the through holes is equal to the distance between any two rows of the clamping grooves; the embeddable movable clamping tongue comprises a bottom with a T-shaped cross section matched with the clamping groove and a protruding edge stud connected to the bottom and extending out of the clamping groove, the embeddable movable clamping tongue is arranged in the clamping groove in a sliding manner, and the protruding edge stud penetrates through the through hole and protrudes out of the through hole; and a lock nut. The invention has the beneficial effects that the installation efficiency of the insulation box can be improved, the production cost is effectively reduced, the field labor intensity is reduced, and the potential safety hazard is reduced.

Description

Auxiliary device for installing LNG ship insulation box and using method thereof

Technical Field

The invention belongs to the technical field of ship construction, and particularly relates to an auxiliary device for installing an LNG ship insulation box and a using method thereof.

Background

With the increasing demand of the market for the ship-handing period of the LNG ship, how to further shorten the construction period of the LNG ship, especially the construction period of the maintenance system of the cargo hold in the core area of the LNG ship, has become an important task for enterprises to win orders and obtain expected economic benefits in the fierce competition of the ship market. In the installation process of the secondary insulation boxes, 6000 secondary insulation boxes are arranged in the whole cabin, 24000 multiple secondary plane boxes and 23788 main plane boxes are arranged in the whole ship. Install for the unit is mutually supported through 4 people, and the installation phase needs to use connecting rod and spider to press from both sides and fix the insulating case, and the insulating case quantity of the constructor of every group unit installation every day is 35 (every insulating case of installation all need connect and the spider presss from both sides and fix).

In a new ship type Yamal LNG ship project, the primary insulation of the secondary insulation box is optimized and improved by GTT on the original process standard, and the main purpose is to reduce the evaporation rate in the actual ship operation process. And China is the only country in the world at the experimental installation stage adopting the new technology. Compared with the prior insulation box, the insulation box optimized by the process increases the difficulty in the installation stage, the two sides of the insulation box before improvement are provided with the protruding wood blocks, also commonly called as 'ears', the insulation box can be lifted by taking the 'ears' as the force points to carry out the installation of the upper layer and the lower layer, but the method can generate subsequent uncontrollable factors, for example, resin coated on the insulation box is damaged due to the fact that constructors do not firmly grasp the insulation box, resin strips need to be coated again, raw materials are lost, if the insulation box body is damaged, the insulation box body needs to return to Korea to be repaired (because China does not obtain repair quality temporarily), a large amount of manpower and material waste can be caused by the operation method, and the damage rate of the insulation box is increased.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides an auxiliary device for installing an LNG ship insulation box, and some embodiments of the auxiliary device can be used for improving the installation precision of an insulation box plane region in an LNG ship cargo hold region in ship construction, effectively improving the overall assembly working efficiency of an insulation box work type, effectively reducing the loss rate of resin and an insulation box body, and effectively reducing the production cost.

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

the utility model provides an auxiliary device of LNG ship insulation case installation usefulness, be provided with the parallel T shape draw-in groove of multirow on the lateral wall of insulation case panel, the device includes: the detachable hand-held pull rod is provided with at least two through holes, and the distance of the through holes is equal to the distance between any two rows of the clamping grooves; the embeddable movable clamping tongue comprises a bottom with a T-shaped cross section matched with the clamping groove and a protruding edge stud connected to the bottom and extending out of the clamping groove, the embeddable movable clamping tongue is arranged in the clamping groove in a sliding manner, and the protruding edge stud penetrates through the through hole and protrudes out of the through hole; and

the locking nut is in threaded connection with the protruding edge stud, and the locking nut and the embedded movable clamping tongue clamp the detachable handheld pull rod.

Preferably, a plurality of sets of the devices are arranged on the side wall of the insulation box.

Preferably, one side of the detachable handhold pull rod, which is tightly attached to the panel of the insulating box, is provided with a groove matched with the embedded movable clamping tongue.

Preferably, the lower end of the detachable handhold pull rod comprises a hand-held handle.

Preferably, the upper end of the detachable walking pull rod comprises an annular handle.

A method of using an auxiliary device for installation of an LNG ship insulation tank, the method comprising: the embeddable movable clamping tongue is arranged in the clamping groove of the panel of the insulating box in a penetrating way; one side of the detachable handhold pull rod with the groove faces the insulating box panel and penetrates through the protruding edge stud through the through hole on the detachable handhold pull rod; after the detachable hand pull rod is tightly attached to the panel of the insulating box, the detachable hand pull rod is locked through the locking nut, meanwhile, the embedded movable clamping tongue is ensured to be embedded into the groove, and the insulating box is installed through the auxiliary device after confirmation.

Preferably, two sets of the devices are arranged on each insulating box, and the hand-held handles at the lower ends of the detachable hand-held pull rods in the two devices are arranged oppositely in a mirror image mode.

Compared with the prior art, the invention has the beneficial effects that: the device is used for the supplementary pull rod device of LNG ship insulating case plane region installation stage in shipbuilding, the device simple structure, high durability and convenient use, can effectively promote insulating case installation effectiveness and precision, avoid insulating case resin and body to receive destruction, reduce manpower, material resources, waste in man-hour, reduce unnecessary work procedure, avoid insulating case damage report rate and reduce the emergence of safe risk and incident, this device is comparatively simple when using, and is convenient, can inlay formula activity latch and set for to constructor's operation custom, can adjust the mounted position of supplementary pull rod by oneself, and improve the stability and the security of supplementary pull rod through lock nut, thereby guarantee insulating case is not destroyed in the installation.

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 overall structure diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of an embeddable movable tongue according to an embodiment of the present invention.

Fig. 3 is a schematic view of a lock nut according to an embodiment of the present invention.

Fig. 4 is an assembly view of the embeddable movable tongue and the lock nut according to the embodiment of the present invention.

Fig. 5 is a schematic view of a detachable handhold lever according to an embodiment of the present invention.

Fig. 6 is a schematic view of a detachable walking stick according to another view of the embodiment of the present invention.

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. 1-6, the present embodiment provides an auxiliary pull rod device for an installation stage of an LNG ship insulation box, the device includes a detachable walking pull rod 1 tightly attached to an insulation box panel 15, the detachable walking pull rod 1 is provided with two through holes 5 corresponding to slots 16 on the insulation box panel 15, internal threads are provided in the through holes 5, the slots 16 on the insulation box panel 15 are provided with embeddable movable latches 2, protruding studs 6 are provided at protruding portions of the embeddable movable latches 2, the protruding studs 6 can be inserted into the through holes 5 on the detachable walking pull rod 1 and locked by locking nuts 3, and a groove 7 engaged with the embeddable movable latches 2 is provided at one side of the detachable walking pull rod 1 tightly attached to the insulation box panel 15.

Two through holes 5 are arranged on the detachable walking pull rod 1, and the set positions of the through holes 5 on the detachable walking pull rod 1 correspond to the clamping grooves 16 on the insulating box panel 15.

The embeddable movable clamping tongue can penetrate through a clamping groove 16 on an insulating box panel 15 and can move left and right in the clamping groove, meanwhile, an edge protruding stud 6 is arranged on the embeddable movable clamping tongue 2, and the edge protruding stud 6 can penetrate through a through hole 5 arranged on the detachable pull rod 1.

The upper position and the lower position of the detachable walking pull rod 1 are respectively provided with a handle, the insulation box 4 is installed from top to bottom in the installation stage, so that the handle is arranged at the upper end of the detachable walking pull rod 1, a field constructor can conveniently pull the insulation box 4 and slowly place the insulation box 4 towards the lower layer, the hand-held handle 8 at the lower end of the detachable walking pull rod 1 is set to be used for supporting the insulation box 4 by the set handle when the insulation box 4 is placed towards the lower layer, the insulation box 4 can be stably placed at the installed position, and the damage to the insulation box resin and the insulation box body can be reduced by applying the detachable walking pull rod.

The embodiment also comprises a use method of the auxiliary pull rod device used in the installation stage of the LNG ship insulation box, which comprises the following steps: step one, arranging the embeddable movable clamping tongue penetrating piece 2 in a clamping groove 16 of an insulating box panel 15, and adjusting the embedded movable clamping tongue penetrating piece to a position required by a constructor; secondly, enabling one side of the detachable walking pull rod 1 with the groove 7 to face the insulating box panel 15, and penetrating the side of the detachable walking pull rod 1 through the protruding stud 6 through the through hole 5 in the detachable walking pull rod 1; and step three, after the detachable hand pull rod 1 is tightly attached to the panel 15 of the insulation box, locking is carried out through the locking nut 3, meanwhile, the groove 7 is ensured to be embedded into the clamping tongue 2, and the insulation box is installed through the auxiliary pull rod after confirmation.

The embodiment of the invention can improve the installation efficiency of the insulation box, effectively reduce the production cost, reduce the field labor intensity and reduce the potential safety hazard.

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. Auxiliary device for installation of LNG ship insulation tanks, characterized in that the side walls of the panels (15) of the insulation tank (4) are provided with rows of parallel T-shaped slots (16), said device comprising:

the detachable handheld pull rod (1) is provided with at least two through holes (5), and the distance between the through holes (5) is equal to the distance between any two rows of the clamping grooves (16);

the embedded movable clamping tongue (2) comprises a bottom with a T-shaped cross section matched with the clamping groove (16) and a protruding edge stud (6) connected to the bottom and extending out of the clamping groove (16), the embedded movable clamping tongue (2) is arranged in the clamping groove (16) in a sliding mode, and the protruding edge stud (6) penetrates through the through hole (5) and protrudes out of the through hole (5); and

the locking nut (3) is in threaded connection with the protruding edge stud (6), and the locking nut (3) and the embedded movable clamping tongue (2) clamp the detachable hand-held pull rod (1).

2. Auxiliary device for installation of LNG ship insulation tanks according to claim 1, characterized in that the side walls of the insulation tank (4) are provided with sets of said device.

3. Auxiliary device for installation of LNG ship insulation tanks according to claim 2, characterized in that the side of the detachable handhold lever (1) that is in close contact with the panel (15) of the insulation tank (4) is provided with a groove (7) that is matched with the embeddable movable latch tongue (2).

4. Auxiliary device for installation of LNG ship insulation tanks according to claim 3, characterized in that the lower end of the detachable handhold lever (1) comprises a hand-held handle (8).

5. Auxiliary device for installation of LNG ship insulation tanks according to claim 4, characterized in that the upper end of the detachable handhold lever (1) comprises an annular handle.

6. A method for using the auxiliary device for installation of the LNG ship insulation tank according to claim 5, comprising:

the embeddable movable clamping tongue (2) is arranged in a clamping groove (16) of a panel (15) of the insulating box (4) in a penetrating way;

one side of the detachable handhold pull rod (1) with the groove (7) faces a panel (15) of the insulation box (4), and is arranged on the protruding edge stud (6) in a penetrating way through a through hole (5) on the detachable handhold pull rod (1);

after the detachable hand pull rod (1) is tightly attached to the panel (15) of the insulating box (4), the insulating box is locked through the locking nut (3), meanwhile, the embedded movable clamping tongue (2) is ensured to be embedded into the groove (7), and the insulating box (4) is installed through the auxiliary device after confirmation.

7. Method for using auxiliary means for installation of LNG ship tanks according to claim 6, characterized in that two sets of said means are provided on each tank (4), the two sets of said means being arranged with the hand-held handles (8) of the lower ends of the detachable handhold tie rods (1) mirror-inverted.