CN106184610A

CN106184610A - A kind of sternpost and tail fin installation method

Info

Publication number: CN106184610A
Application number: CN201610547477.0A
Authority: CN
Inventors: 林德齐; 夏宇; 繁王兰; 李光兴
Original assignee: Guangzhou Wenchong Shipyard Co Ltd
Current assignee: Guangzhou Wenchong Shipyard Co Ltd
Priority date: 2016-07-11
Filing date: 2016-07-11
Publication date: 2016-12-07
Anticipated expiration: 2036-07-11
Also published as: CN106184610B

Abstract

The invention provides a kind of sternpost and tail fin installation method, including step: the pre-assembling platform of level of building, the pre-assembling platform of level draws cross coordinate centrage and angle line；Draw the front end face of sternpost and the central cross line of rear end face；The pre-assembling platform of level places sternpost leveling, and the cross centre line of just pre-to the level assembling platform of the central cross line of sternpost with the rear end face of sternpost for basal plane；Tail fin is contained on sternpost in advance, the maximum section of tail fin and sternpost is the most at grade, the end points of the maximum section of tail fin is projected to the pre-assembling platform of level, by the coordinate of subpoint with theoretical coordinate compared with, regulates and close up mouth until Two coordinate overlaps between tail fin and sternpost；To zygonema at drawing the rib position prepackage inspection line overlapped with maximum section after prepackage and holding together mouthful；According to rib bit trial line and zygonema to be come assembly welding sternpost and tail fin.The present invention can directly assemble sternpost and tail fin by guide field, improves installation accuracy, saves installation period.

Description

A kind of sternpost and tail fin installation method

Technical field

The invention belongs to shipbuilding technology field, particularly relate to a kind of sternpost and tail fin installation method.

Background technology

28000DWT bulk freighter and conventional bulk freighter have a difference the biggest, it is simply that stern foundry goods, with former phase Many three tail fins of ratio, and sternpost and tail fin foundry goods be separately cast in, and causes sternpost and 3 tail fin leaves to need assembling, by Complicated in sternpost and caudal-fin models so that assembling process is extremely difficult, it is difficult to ensure that required precision, foundry goods installation period is longer.

Summary of the invention

The technical problem to be solved is, it is provided that a kind of sternpost and tail fin installation method, it is possible to guide field Directly assembling sternpost and tail fin, reduces and installs foundry goods difficulty, reduces foundry goods installation accuracy problem, saves foundry goods installation period.

In order to solve above-mentioned technical problem, the invention provides a kind of sternpost and tail fin installation method, it includes walking as follows Rapid:

Step one, the pre-assembling platform of level of building, the pre-assembling platform of level draws cross coordinate centrage and angle line, uses In location sternpost and tail fin；

Step 2, after sternpost foundry goods casts out, draws the front end face of sternpost and the central cross line of rear end face and beats ocean Rush a little；

Step 3, places in sternpost leveling, and sternpost with the rear end face of sternpost for basal plane on the pre-assembling platform of level The cross centre line of just pre-to the level assembling platform of crux of heart line；

Step 4, is contained on sternpost in advance by tail fin, the maximum section of tail fin with the maximum section of sternpost all same In plane, the end points of the maximum section of tail fin is projected to the pre-assembling platform of level, by level pre-assembling platform upslide shadow Point coordinate, compared with theoretical coordinate, regulation tail fin and sternpost between close up mouth, until the end points of tail fin projection sit Mark and theoretical coordinate overlap, i.e. prepackage puts in place；

Step 5, after sternpost is pre-installed with tail fin, draws, at sternpost and tail fin surface, the rib position overlapped with maximum section pre- Dress inspection line is also beaten ocean and is rushed a little, draw sternpost and tail fin close up mouthful to zygonema and beat ocean and rush a little；

Step 6, the rib bit trial line drawn when sternpost and tail fin are according to prepackage and close up at mouth to zygonema, assemble Welding, completes whole installation process.

As preferred technical scheme, in described step 6, sternpost and the assembly welding step of tail fin: first on lifting stern Segmentation, welds sternpost on stern, then for basal plane, sectional turn-over on stern is placed on dress with the rear end face of sternpost in segmentation On trim platform and leveling, the rib bit trial line that draws during finally according to prepackage and close up at mouth to zygonema, sternpost assembles 3 Sheet tail fin.

As preferred technical scheme, before described step one, also include the preparation process before prepackage: make sternpost Big cross section detection model, inspection sternpost line style before prepackage；Make sternpost and detect model with tail fin incision position section, inspection before prepackage Test tail fin sectional line style.

Implement a kind of sternpost and the tail fin installation method of the present invention, compared with prior art, have the advantages that

The present invention prepackage technique by above-mentioned sternpost and tail fin, guide field directly assembles sternpost and tail fin, reduces peace Dress foundry goods difficulty, reduces foundry goods installation accuracy problem, saves foundry goods installation period, thus shortens the sectional construction cycle.Through statistics, The present invention can save the time about 2 day set-up time of sternpost and tail fin, and precision controlling quality is good.

Accompanying drawing explanation

In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, the accompanying drawing of embodiment will be situated between simply below Continue.

Fig. 1 is the setting-out schematic diagram on the pre-assembling platform of level；

Fig. 2 is the schematic diagram that sternpost is installed on the pre-assembling platform of level；

Fig. 3 is the setting-out schematic diagram on the front end face of sternpost；

Fig. 4 is the setting-out schematic diagram on the rear end face of sternpost；

Fig. 5 is the schematic diagram of the maximum section A-A after sternpost assembles with tail fin；

Fig. 6 be in structure B shown in Fig. 5 to partial schematic diagram.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise Embodiment, broadly falls into the scope of protection of the invention.

In conjunction with seeing Fig. 1 to Fig. 6, the preferred embodiments of the present invention, a kind of sternpost and tail fin installation method, it includes as follows Step:

Step one, the pre-assembling platform of level of building 1, the pre-assembling platform of level 1 draws cross coordinate centrage 11 and 45° angle Degree line 12, is used for positioning sternpost 2 and tail fin 3, as shown in Figure 1；

Step 2, after sternpost foundry goods casts out, draws the front end face 21 of sternpost 2 and the central cross line 23 of rear end face 22 And beat ocean and rush a little, as shown in Figure 2, Figure 3 and Figure 4；

Step 3, places sternpost 2 leveling, and sternpost with the rear end face 22 of sternpost 2 for basal plane on the pre-assembling platform of level 1 The cross centre line 11 of just pre-to the level assembling platform 1 of the central cross line 23 of 2, sternpost 2 surrounding suitably increases diagonal brace frock 4 and prevents Sternpost 2 collapses, as shown in Figure 2, Figure 3 and Figure 4；

Step 4, is contained on sternpost 2 in advance by tail fin 3, and the maximum section of tail fin 3 all exists with the maximum section of sternpost 1 On same plane A-A, ceiling hammer at the end points 31 of the maximum section of tail fin 3, the end points of tail fin is projected to level On pre-assembling platform 1, by the coordinate of subpoint on the pre-assembling platform of level 1, compared with theoretical coordinate, regulation tail fin 3 and sternpost 2 Between close up mouth 5, until the projection coordinate of the end points 31 of tail fin 3 and theoretical coordinate overlap, i.e. prepackage puts in place, such as Fig. 2 and Shown in Fig. 5；

Step 5, after sternpost 2 is pre-installed with tail fin 3, draws, at sternpost 2 and tail fin 3 surface, the rib overlapped with maximum section Prepackage inspection line 24,32 in position is also beaten ocean and is rushed a little, draws and closes up at mouth 5 zygonema 51 and beat ocean and rush a little, as shown in Figure 6；

Step 6, the rib bit trial line 24,32 drawn when sternpost 2 and tail fin 3 are according to prepackage and close up at mouth 5 to zygonema 51, carry out assembly welding, complete whole installation process.

Thus, the present invention prepackage technique by above-mentioned sternpost and tail fin, guide field directly assembles sternpost and tail fin, fall Low installation foundry goods difficulty, reduces foundry goods installation accuracy problem, saves foundry goods installation period, thus shortens the sectional construction cycle.Warp Statistics, the present invention can save the time about 2 day set-up time of sternpost and tail fin, and precision controlling quality is good.

In described step 6, sternpost 2 and the assembly welding step of tail fin 3: first segmentation on lifting stern, segmentation on stern Upper welding sternpost 2, is then placed on sectional turn-over on stern on mounting plate and leveling for basal plane with the rear end face of sternpost 2, Finally according to the rib bit trial line 24,32 that draws during prepackage and close up at mouth 5 to zygonema 51, sternpost assembles 3 tail fins 3.The effect using this scheme is: first assembling sternpost 2, does not affect and stands up welding on stern about segmentation, then will be on stern point Section stands up placement, and (segmentation weight about 7.3t, sternpost and tail fin weight about 11.6t on stern, on the stern compared, segmentation weight is very Gently, only several channel steel supports need to be found), 3 tail fins 3 of assembling, not only can guarantee that assembly precision requirement but also can the most on the ground Facilitate welding job.

For ensureing sternpost 2 and the casting accuracy of tail fin 3 and installation accuracy, before described step one, before also including prepackage Preparation process: make sternpost maximum section detection model, prepackage before inspection sternpost line style；Make sternpost and tail fin incision position Section detection model, inspection tail fin sectional line style before prepackage.

The above disclosed presently preferred embodiments of the present invention that is only, can not limit the right of the present invention with this certainly Scope, the equivalent variations therefore made according to scope of the present invention patent, still belong to the scope that the present invention is contained.

Claims

1. a sternpost and tail fin installation method, it is characterised in that comprise the steps:

Step one, the pre-assembling platform of level of building, the pre-assembling platform of level draws cross coordinate centrage and angle line, for fixed Position sternpost and tail fin；

Step 2, after sternpost foundry goods casts out and, draws the front end face of sternpost and the central cross line of rear end face and beats ocean and rush a little；

Step 3, places sternpost leveling, and the center ten of sternpost with the rear end face of sternpost for basal plane on the pre-assembling platform of level The cross centre line of just pre-to the level assembling platform of wordline；

Step 4, is contained on sternpost in advance by tail fin, and the maximum section of tail fin and the maximum section of sternpost are all at same plane On, the end points of the maximum section of tail fin is projected to the pre-assembling platform of level, by level pre-assembling platform upslide shadow point Coordinate, compared with theoretical coordinate, regulation tail fin and sternpost between close up mouth, until the projection coordinate of the end points of tail fin and Theoretical coordinate overlaps, i.e. prepackage puts in place；

Step 5, after sternpost is pre-installed with tail fin, draws the rib position prepackage inspection overlapped with maximum section at sternpost and tail fin surface Test line and beat ocean and rush a little, draw sternpost and tail fin close up mouthful to zygonema and beat ocean and rush a little；

Step 6, the rib bit trial line drawn when sternpost and tail fin are according to prepackage and close up at mouth to zygonema, carry out assembly welding, Complete whole installation process.

2. sternpost as claimed in claim 1 and tail fin installation method, it is characterised in that in described step 6, sternpost and tail fin Assembly welding step:

First segmentation on lifting stern, welds sternpost, then by sectional turn-over on stern with the rear end of sternpost on stern in segmentation Face is that basal plane is placed on mounting plate and leveling, the rib bit trial line that draws during finally according to prepackage and close up at mouth involutory Line, assembles 3 tail fins on sternpost.

3. sternpost as claimed in claim 1 and tail fin installation method, it is characterised in that before described step one, also include Preparation process before prepackage: make sternpost maximum section detection model, inspection sternpost line style before prepackage；Make sternpost and tail fin Incision position section detection model, inspection tail fin sectional line style before prepackage.