CN109018194B - Container foot column mounting method - Google Patents
Container foot column mounting method Download PDFInfo
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- CN109018194B CN109018194B CN201710439789.4A CN201710439789A CN109018194B CN 109018194 B CN109018194 B CN 109018194B CN 201710439789 A CN201710439789 A CN 201710439789A CN 109018194 B CN109018194 B CN 109018194B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B71/00—Designing vessels; Predicting their performance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/28—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for deck loads
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
The invention discloses a method for installing container foot stand columns, which comprises the following steps: drawing a central line for placing the container; determining the distance between the containers and the number of the containers from the central line of the container placement to the broadside; drawing a half-width auxiliary line; determining the transverse installation position of the box leg upright post; determining the longitudinal installation position of the container foot upright post; determining the horizontal installation height of the container foot upright post; and (5) installing container foot stand columns. The installation method of the container box foot stand column ensures that the container box cover can be positioned synchronously with the box foot on the container box foot stand column after being loaded on the ship, avoids the influence of the row-loading positioning of the container box foot stand column on the node of opening the cabin, shortens the construction period, and greatly improves the construction safety.
Description
Technical Field
The invention relates to a method for installing container foot stand columns, which is used for ensuring that container feet can be positioned synchronously with the container feet on the stand columns after a container is loaded onto a ship.
Background
In modern shipping logistics, containers are widely used. In order to make more efficient use of the space on the ship, and to carry as many containers as possible, containers are also placed over the hatches. Due to the existence of the hatch coaming, the container can not be directly placed on the hatch coaming, but a plurality of upright posts are arranged on the outer side of the hatch coaming firstly, and then the container is placed on the upright posts. Thus, the container feet on the upright posts and the container feet on the hatch cover can be ensured to be at the same horizontal height. In the method for installing the upright post in the prior art, generally, after the hatch coaming is installed and welded, the hatch cover is installed, and then the installation condition of the hatch cover and the installation condition of the box leg on the hatch cover are comprehensively considered, so that the upright post is installed. Therefore, the column installation method in the prior art has a long construction period.
Disclosure of Invention
The invention aims to overcome the defect that the installation method of the upright post in the prior art has a long construction period, and provides an installation method of the container foot upright post.
The invention solves the technical problems through the following technical scheme:
a method for installing container foot upright posts is characterized by comprising the following steps:
s1, determining the deviation between the central line of the container on the hatch cover and the central line of the ship, and marking out the central line of the container;
s2, determining the distance between the centers of the container legs of the containers and determining the number of the containers from the central line of the containers to the outer plate of the ship;
s3, offsetting the central line of the container for a certain distance, and drawing a half-width auxiliary line on the hatch coaming, wherein the half-width auxiliary line is calculated by adopting a formula 1:
equation 1: l ═ n-2 a +0.5 a + n 1K 1+ n 2K 2+ n 3K 3-M + Z
In formula 1, L is the distance from the half-width auxiliary line to the center line of the container placement, M is the distance from the half-width auxiliary line to the center of the upright column box leg, n is the number of containers from the center of the container placement to the outer plate of the ship, K1 is the first-class spacing between the containers, n1 is the number of the first-class spacing, K2 is the second-class spacing between the containers, n2 is the number of the second-class spacing, K3 is the third-class spacing between the containers, n3 is the number of the third-class spacing, a is the transverse spacing between the center of the container leg, and Z is the deviation between the center line of the container placement and the center line of the ship;
s4, determining the transverse installation position of the box leg upright post according to the half-width auxiliary line;
s5, marking out a relative reference line of the hatch coaming end part from the deviation e of the theoretical line of the hatch coaming end part, and determining the longitudinal installation position of the container box foot upright post according to the relative reference line of the hatch coaming end part, wherein e is the distance between the theoretical line of the hatch coaming end part and the relative reference line of the hatch coaming end part;
s6, measuring the height distance from the upper plane of the hatch coaming to the deck, and simulating the height distance from the upper plane of the hatch coaming to the hatch coaming surface according to the design size of the main deck hatch coaming so as to determine the vertical installation height of the container box foot upright post, wherein the vertical installation height is calculated by adopting a formula 2:
equation 2: h1＝h1+h2
In the formula 2, H1Is the vertical installation height h of the container foot upright post1Vertical distance, h, from the upper plane of the hatch coaming to the actual installation height of the deck2Designing the vertical distance from the upper plane of the position of the main deck hatch cover to the theoretical height of the hatch coaming;
s7, measuring the height distance from the upper plane of the hatch coaming to the deck, and offsetting the upper plane to the side plates and the front and rear end plates of the hatch coaming to obtain a plane reference height for positioning the height of the container foot upright post, so as to determine the horizontal installation height of the container foot upright post, wherein the plane reference height is calculated by adopting a formula 3:
equation 3: P-H-H
In formula 3, P is a plane reference height, H is a theoretical height of a box leg plane on a container box leg upright post, and H is a vertical distance from the plane reference height to the theoretical height of the box leg plane on the container box leg upright post;
and S8, mounting container foot upright posts.
Thus, the technical effect of directly installing the container foot upright post is achieved.
Preferably, the deviation of the center line of the container placement on the deck in S1 from the center line of the ship is the horizontal projection distance, and the pitch of the containers in S2 is the horizontal projection distance. Thus, the technical effect of unifying the measurement standards is achieved.
Preferably, the half-width auxiliary line in S3 is determined based on the center line of container placement. Thus, the technical effect of directly measuring the half-width auxiliary line is achieved.
Preferably, the half-width auxiliary line in S3 is an offset line for container foot column positioning retesting. Thus, the technical effect of positioning and retesting the upright column is achieved.
Preferably, in S5, the hatch coaming end is scribed relative to the reference line at a distance offset forward or rearward from the theoretical line of the hatch coaming end. Therefore, the technical effect of flexibly offsetting the end part of the hatch coaming relative to the datum line is achieved.
Preferably, the step of measuring the flatness of the upper plane is further included in S7. Therefore, the technical effect of more accurately determining the horizontal installation height of the container foot upright post through the reference height is achieved.
Preferably, after the container foot upright is installed in S8, retesting is performed according to the half-width auxiliary line, the hatch coaming end relative to the reference line and the plane reference height. Thus, the technical effect of ensuring the measurement precision is achieved.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows: the installation method of the container box foot stand column ensures that the container box cover can be positioned synchronously with the box foot on the container box foot stand column after being loaded on the ship, avoids the influence of the row-loading positioning of the container box foot stand column on the node of opening the cabin, shortens the construction period, and greatly improves the construction safety.
Drawings
Fig. 1 is a front view of a container foot arrangement according to a preferred embodiment of the present invention.
Fig. 2 is a front view of the container foot pillar according to the preferred embodiment of the present invention.
Fig. 3 is a schematic top view of the container foot arrangement according to the preferred embodiment of the invention.
Fig. 4 is a flow chart of a method for installing container foot columns according to a preferred embodiment of the invention.
Description of reference numerals:
hatch coaming 1
Ship outer plate 6
Half-width auxiliary line 7
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
As shown in fig. 1, a container foot column 2 is installed outside the hatch 1, a container foot 3 is installed on the container foot column 2, and the container foot 3 is used for supporting a container. The method for installing the container foot upright column in the embodiment is shown in fig. 4, and comprises the following steps:
101. the deviation of the centre line 4 of the container placement on the hatch from the centre line 5 of the vessel is determined and the centre line 4 of the container placement is marked. The deviation of the central line 4 of the container placement on the hatch cover from the ship central line 5 is the horizontal projection distance.
102. The distance between the centers of the container feet is determined, and the number of the containers from the central line 4 where the containers are placed to the outer plate 6 of the ship is determined. The distance between the centers of the container feet is the horizontal projection distance. Thus, the technical effect of unifying the measurement standards is achieved.
103. The central line 4 for placing the container is offset by a certain distance, and a half-width auxiliary line 7 is drawn on the hatch coaming 1, wherein the half-width auxiliary line 7 is calculated by adopting the following formula 1:
equation 1: l ═ n-2 a +0.5 a + n 1K 1+ n 2K 2+ n 3K 3-M + Z
In formula 1, L is the distance of the half-width auxiliary line 7 from the center line 4 of the container placement, M is the distance of the half-width auxiliary line 7 from the center of the upright box leg, n is the number of containers from the center of the container placement to the ship outer panel 6, K1 is the first-class spacing between the containers, n1 is the number of the first-class spacing, K2 is the second-class spacing between the containers, n2 is the number of the second-class spacing, K3 is the third-class spacing between the containers, n3 is the number of the third-class spacing, a is the lateral spacing of the center of the container leg, and Z is the deviation of the center line 4 of the container placement from the ship center line 5. The half-width auxiliary line 7 is determined according to the centre line 4 of container placement. Thus, the technical effect of directly measuring the half-width auxiliary line 7 is achieved. The half-width auxiliary line 7 is an offset line for positioning and retesting of the container foot upright post 2. Thus, the technical effect of positioning and retesting the upright column is achieved.
104. And determining the transverse installation position of the box foot upright post according to the half-width auxiliary line 7.
105. Marking out a relative reference line of the end part of the hatch coaming from the deviation e of the theoretical line of the end part of the hatch coaming, and determining the longitudinal installation position of the container box foot upright post 2 according to the relative reference line of the end part of the hatch coaming, wherein e is the distance between the theoretical line of the end part of the hatch coaming and the relative reference line of the end part of the hatch coaming. The hatch coaming end is marked relative to the reference line by offsetting a certain distance forwards or backwards from the theoretical line of the hatch coaming end. As shown in fig. 3, the length of the container is b, the distance between the two containers in the longitudinal direction is g, and the position of each container leg 3 in the longitudinal direction can be obtained based on the end of the hatch coaming relative to the reference line. Therefore, the technical effect of flexibly offsetting the end part of the hatch coaming relative to the datum line is achieved.
106. Measuring the height distance from the upper plane of the hatch coaming to the deck, and simulating the height distance from the upper plane of the hatch coaming to the surface of the hatch coaming according to the design size of the main deck hatch coaming so as to determine the vertical installation height of the container box foot upright post, wherein the vertical installation height is calculated by adopting the following formula 2 as shown in figure 2:
equation 2: h1＝h1+h2
In the formula 2, H1Is the vertical installation height h of the container foot upright post1Vertical distance, h, from the upper plane of the hatch coaming to the actual installation height of the deck2The vertical distance from the upper plane of the design position of the main deck hatch cover to the theoretical height of the hatch coaming.
107. The flatness of the upper plane was measured. Measuring the height distance from the upper plane of the hatch coaming 1 to the deck, and offsetting the upper plane to the side plates and the front and rear end plates of the hatch coaming 1 to obtain a plane reference height for positioning the height of the container box foot upright post, so as to determine the horizontal installation height of the container box foot upright post 2, wherein the plane reference height is calculated by adopting the following formula 3:
equation 3: P-H-H
In formula 3, P is the plane reference height, H is the theoretical height of the upper box leg plane of the container box leg upright 2, and H is the vertical distance from the plane reference height to the theoretical height of the upper box leg plane of the container box leg upright 2. Thus, the technical effect of more accurately determining the horizontal installation height of the container foot upright 2 through the reference height is achieved.
108. And (5) installing container foot upright posts 2. Thus, the technical effect of directly installing the container foot upright post 2 is achieved. After the container box foot upright post 2 is installed, retesting is carried out according to the half-width auxiliary line 7, the relative reference line of the hatch coaming end part and the plane reference height. Thus, the technical effect of ensuring the measurement precision is achieved.
The installation method of the container foot stand column ensures that the container hatch cover can be positioned synchronously with the container foot on the container foot stand column after being loaded on the ship, avoids the situation that the arrangement positioning of the container foot stand column influences the node of opening the cabin, shortens the construction period, and greatly improves the construction safety.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (6)
1. A method for installing container foot columns is characterized by comprising the following steps:
s1, determining the deviation between the central line of the container on the hatch cover and the central line of the ship, and marking out the central line of the container;
s2, determining the distance between the centers of the container legs of the containers and determining the number of the containers from the central line of the containers to the outer plate of the ship;
s3, offsetting the central line of the container for a certain distance, and drawing a half-width auxiliary line on the hatch coaming, wherein the half-width auxiliary line
Calculating by using formula 1:
equation 1: l ═ n-2 a +0.5 a + n 1K 1+ n 2K 2+ n 3K 3-M + Z
In formula 1, L is the distance from the half-width auxiliary line to the center line of the container placement, M is the distance from the half-width auxiliary line to the center of the upright column box leg, n is the number of containers from the center of the container placement to the outer plate of the ship, K1 is the first-class spacing between the containers, n1 is the number of the first-class spacing, K2 is the second-class spacing between the containers, n2 is the number of the second-class spacing, K3 is the third-class spacing between the containers, n3 is the number of the third-class spacing, a is the transverse spacing between the center of the container leg, and Z is the deviation between the center line of the container placement and the center line of the ship;
s4, determining the transverse installation position of the box leg upright post according to the half-width auxiliary line;
s5, marking out a relative reference line of the hatch coaming end part from the deviation e of the theoretical line of the hatch coaming end part, and determining the longitudinal installation position of the container box foot upright post according to the relative reference line of the hatch coaming end part, wherein e is the distance between the theoretical line of the hatch coaming end part and the relative reference line of the hatch coaming end part;
s6, measuring the height distance from the upper plane of the hatch coaming to the deck, and simulating the height distance from the upper plane of the hatch coaming to the hatch coaming surface according to the design size of the main deck hatch coaming so as to determine the vertical installation height of the container box foot upright post, wherein the vertical installation height is calculated by adopting a formula 2:
equation 2: h1 ═ H1+ H2
In formula 2, H1 is the vertical installation height of the container foot upright post, H1 is the vertical distance from the upper plane of the hatch coaming to the actual installation height of the deck, and H2 is the vertical distance from the upper plane of the design position of the main deck hatch cover to the theoretical height of the hatch coaming;
s7, measuring the height distance from the upper plane of the hatch coaming to the deck, and offsetting the upper plane to the side plates and the front and rear end plates of the hatch coaming to obtain the plane reference height for positioning the height of the container foot upright post, thereby determining the level of the container foot upright post
The installation height, the plane reference height adopts formula 3 to calculate:
equation 3: P-H-H
In formula 3, P is a plane reference height, H is a theoretical height of a box leg plane on a container box leg upright post, and H is a vertical distance from the plane reference height to the theoretical height of the box leg plane on the container box leg upright post;
s8, mounting container foot upright posts;
at S5, the hatch coaming end is scribed relative to the reference line at a distance offset forward or rearward from the theoretical line of the hatch coaming end.
2. The method of installing container legs as claimed in claim 1, wherein the deviation of the center line of the container on the deck from the center line of the ship in S1 is the horizontal projected distance, and the pitch of the containers in S2 is the horizontal projected distance.
3. The method of installing container feet stand column of claim 1, wherein the half-width auxiliary line in S3 is determined according to the center line of the container placement.
4. The method of installing container footer posts of claim 1 wherein the half width auxiliary line in S3 is an offset line for the container footer post positioning retest.
5. The method of installing container foot posts as claimed in claim 1, further comprising the step of measuring the flatness of the upper plane at S7.
6. The method of installing a container foot stand according to any one of claims 1 to 5, wherein after the container foot stand is installed in S8, retesting is performed based on the half-width auxiliary line, the hatch coaming end portion with respect to the reference line, and the plane reference height.
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| CN201710439789.4A CN109018194B (en) | 2017-06-12 | 2017-06-12 | Container foot column mounting method |
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| CN109018194B true CN109018194B (en) | 2022-03-22 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110182312B (en) * | 2019-06-24 | 2021-05-11 | 大连中远海运川崎船舶工程有限公司 | Precision control method for container ship binding system free of actual ship box test |
| CN111942541B (en) * | 2020-07-16 | 2021-12-21 | 上海江南长兴造船有限责任公司 | Container column mounting method |
| CN112478080B (en) * | 2020-12-09 | 2022-03-08 | 江南造船(集团)有限责任公司 | Digital positioning method for hoisting container ship hatch cover |
| CN113184132B (en) * | 2021-04-30 | 2024-04-16 | 广州文冲船舶修造有限公司 | Method for additionally installing container guide rail on multipurpose ship |
| CN114872859B (en) * | 2022-05-05 | 2023-07-25 | 中船黄埔文冲船舶有限公司 | Simulation box testing method for installing container box cone at ship assembly stage |
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