CN101020280A - Locating unit of connecting pedestal - Google Patents
Locating unit of connecting pedestal Download PDFInfo
- Publication number
- CN101020280A CN101020280A CN 200610118573 CN200610118573A CN101020280A CN 101020280 A CN101020280 A CN 101020280A CN 200610118573 CN200610118573 CN 200610118573 CN 200610118573 A CN200610118573 A CN 200610118573A CN 101020280 A CN101020280 A CN 101020280A
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- pedestal
- location
- fixed magnet
- plate
- locating hole
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Abstract
The present invention relates to one kind of locating unit for the welded connecting pedestal on liquefied natural gas ship. The locating unit includes one locating board and several columnar fixing magnets. The locating board has one central hole for locating the connecting pedestal, several spot welding locating holes around the central hole and several fixing magnet installing holes. The columnar fixing magnet has one lug in its lower part for being embedded into the fixing magnet installing hole. The locating board has also four aligning reticules in the edges. The present invention can locate the welded connecting pedestal to the installation location fast accurately.
Description
Technical field
The present invention relates to LNG carrier, particularly connect the positioner of pedestal dress weldering on the LNG carrier in the cargo hold containment system.
Background technology
LNG carrier (Liquefied Natural Gas Ship, hereinafter to be referred as the LNG ship) the cargo hold containment system be used for loading-163 ℃ liquefied natural gas, this containment system plays insulation, is incubated and prevents the effect of liquid natural gas leakage, the connection pedestal that the containment system utilization is welded on the hull is fixed in the cargo hold of hull, the cross section of LNG ship is the structure of octahedral shape, and the connection pedestal navigates on end face, vertical plane, bottom surface, last oblique 45 ° of faces and 45 ° of faces of declivity of cargo hold.
Connecting pedestal is columniform steel component, see Fig. 2 and Fig. 3 for details, this connection pedestal will be positioned on the hull allocation really, cross wire has been drawn according to drawing in advance in this position, to connect the center that pedestal is welded in cross wire then, require construction error to be not more than 1mm in dress weldering process, every LNG ship all needs tens thousand of to connect pedestals, and the dress weldering that connects pedestal has so just become the important step of LNG ship in building.
To the dress weldering of LNG ship positionning pedestal, be in the prior art after good cross wire is drawn earlier in the installation site of positioning pedestal, by hand positioning pedestal is positioned and welds by operating personnel again, there is following shortcoming in the assembling and welding process of this positioning pedestal:
1. the size of positioning pedestal is smaller, and manual location is prone to the welding error, and the positioning accuracy after welding is finished is difficult to meet construction requirement;
2. the quantity of positioning pedestal is huger, only often spends lot of manpower and material resources by manual positioning and welding, and the required working time is longer;
At least need two people could finish dress weldering operation when 3. constructing, the amount of labour is big, and operating efficiency is low.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of positioner that connects pedestal is provided, this positioner that connects pedestal can will connect the pedestal location fast and accurately, and the positioning accuracy height, and is convenient and swift, the efficiency height.
Technical scheme of the present invention:
A kind of positioner that is used to connect the connection pedestal that pedestal installs, this positioner comprises a location-plate and a plurality of cylindricality fixed magnet, the center of this location-plate has the connection pedestal locating hole of a circle, the internal diameter on described connection pedestal locating hole top equals to connect the diameter of pedestal upper body, the internal diameter that connects pedestal locating hole bottom equals to connect the diameter of pedestal lower body, the height that connects pedestal locating hole bottom equals to connect the height of pedestal lower body, is evenly distributed with a plurality of and the spot welding locating hole that is connected the connection of pedestal locating hole around this connections pedestal locating hole; The position that keeps to the side on the described location-plate has a plurality of fixed magnet installing holes, the main diameter on the top of described cylindricality fixed magnet is greater than the internal diameter of fixed magnet installing hole, the one diameter convex little than upper body diameter arranged at the bottom of cylindricality fixed magnet, the diameter of this convex is less than or equal to the internal diameter of fixed magnet installing hole, the height of convex equals the thickness of location-plate, and described convex can embed in the fixed magnet installing hole; Described location-plate edge has four reticle alignment limits, and the extended line of each cross alignment edge intersects at the home position that connects the pedestal locating hole.
The profile of described location-plate or be square or for circular or be rhombus.
Spot welding locating hole quantity on the described square location-plate is three.
The corner location of described square location-plate has four fixed magnet installing holes, and four fixed magnet installing holes of corresponding described square location-plate are provided with four fixed magnets.
Described cross alignment edge is a right-angle side of del.
The marginal position chamfering of the top of described fixed magnet and bottom.
The present invention connects the technological merit of the positioner of pedestal:
1. utilize this device can be promptly navigate on the installation site with connecting pedestal, for the spot welding Positioning Creates that connects pedestal condition.
2. improved the positioning accuracy that connects pedestal greatly, guaranteed to connect the dress weldering quality of pedestal, a positioner can carry out the dress weldering of a plurality of connection pedestals, uses simple and fast.
3. utilize this device to improve greatly to connect the dress weldering efficient of pedestal, can a people independently finish the location of a large amount of connection pedestals and fixing, significantly reduced the amount of labour, reduced production cost.
Description of drawings
Fig. 1 connects the overall structure schematic diagram among the positioner embodiment of pedestal for the present invention.
Fig. 2 is the vertical view that connects pedestal on the LNG ship.
Fig. 3 is for connecting the A-A of pedestal to partly cuing open figure on the LNG ship.
Fig. 4 the present invention connects the location-plate vertical view among the positioner embodiment of pedestal.
Fig. 5 is for connecting the B-B of location-plate among the positioner embodiment of pedestal to view for the present invention.
Fig. 6 connects the front view of fixed magnet among the positioner embodiment of pedestal for the present invention.
1-location-plate 11-connects pedestal locating hole 12-fixed magnet installing hole
13-reticle alignment limit 14-spot welding locating hole
2-fixed magnet 21-fixed magnet main body 22-fixed magnet convex
3-connects pedestal 31-and connects pedestal upper body 32-connection pedestal lower body
The specific embodiment
Come the positioner that is connected pedestal of the present invention is described in detail below in conjunction with accompanying drawing and specific embodiment, but protection domain not thereby limiting the invention.
Be used for LNG carrier and connect the positioner that pedestal is installed, this positioner comprises a location-plate 1 and a plurality of cylindricality fixed magnet 2.
The center of location-plate 1 has the connection pedestal locating hole 11 of a circle, the internal diameter on described connection pedestal locating hole 11 tops equals to connect the pedestal upper part diameter, the internal diameter that connects pedestal locating hole 11 bottoms equals to connect the diameter of pedestal bottom, the height that connects pedestal locating hole 11 bottoms equals to connect the height of pedestal bottom, be evenly distributed with around this connections pedestal locating hole 11 three with the spot welding locating hole 14 that is connected 11 connections of pedestal locating hole; The position that keeps to the side on the described location-plate 1 has a plurality of fixed magnet installing holes 12, main body 21 diameters on the top of described cylindricality fixed magnet 2 are greater than the internal diameter of fixed magnet installing hole 12, the one diameter convex 21 little than upper body diameter arranged at the bottom of cylindricality fixed magnet 2, the diameter of this convex 21 is less than or equal to the internal diameter of fixed magnet installing hole 12, the height of convex 21 equals the thickness of location-plate 1, and described convex 21 can embed in the fixed magnet installing hole 12; Described location-plate 1 edge has four reticle alignment limits 13, and the extended line of each cross alignment edge 13 intersects at the center of circle that connects pedestal locating hole 11.
The profile of location-plate can be square, circular or other shapes in the positioner of connection pedestal of the present invention, and the number of fixed magnet is at least three, is that example specifies using method of the present invention with square location-plate below.
Please see Figure 1, Fig. 1 connects the overall structure schematic diagram among the positioner embodiment of pedestal for the present invention, and as seen from the figure, the positioner that connects pedestal comprises a square location-plate 1 and four cylindricality fixed magnets 2.
See Fig. 4 and Fig. 5 again, Fig. 4 connects the location-plate vertical view among the positioner embodiment of pedestal for the present invention, and Fig. 5 connects the B-B of location-plate in the positioner of pedestal to view for the present invention.As seen from the figure, the center of square location-plate 1 has the connection pedestal locating hole 11 of a circle, be evenly distributed with around this connection pedestal locating hole 11 three with the spot welding locating hole 14 that is connected pedestal locating hole 11 connections, on the square location-plate 1 near the position of the four corner edge fixed magnet installing hole 12 that to have four diameters be φ 30mm, the internal diameter that connects pedestal locating hole 11 tops is φ 40mm, the internal diameter that connects pedestal locating hole 11 bottoms is φ 44mm, the diameter that connects pedestal upper body 31 is φ 40mm, the diameter that connects pedestal lower body 32 is φ 44mm, the height that connects pedestal locating hole 11 bottoms is 2.5mm, this height equates with the height that is connected pedestal lower body 32, connecting pedestal lower body 32 so just can be embedded in the connection pedestal locating hole 11, after the positioner that will connect pedestal in the construction is accurately located, be embedded into the connection pedestal and the hull that connect in the pedestal locating hole with welding gun by 14 pairs of spot welding locating holes and carry out the spot welding location, the edge center position of square location-plate 1 four edges has four reticle alignment limits 13, this cross alignment edge 13 is a right-angle side of del, and the extended line of four cross alignment edges 13 intersects at the home position that connects pedestal locating hole 11.
Please see Figure 6 again, Fig. 6 connects the front view of fixed magnet among the positioner embodiment of pedestal for the present invention.As seen from the figure, the upper body 21 of this cylindricality fixed magnet 2 is bigger cylindrical, diameter is φ 40mm, the convex 21 of one circle is arranged at the bottom of cylindricality fixed magnet 2, and the diameter of this convex 21 is φ 30mm, highly is 5mm, equate with the thickness of location-plate 1, the convex 21 of cylindricality fixed magnet 2 just can embed in the fixed magnet installing hole 12 like this, quick and easy for installation in constructing, and the top of each fixed magnet 2 and the marginal position of bottom all carry out chamfering.
The step of utilizing the positioner of connection pedestal of the present invention to position and weld is as follows:
1. will connect pedestal 3 and be inserted in the connection pedestal locating hole 11 on the location-plate 1, and make to connect pedestal lower body 32 and be embedded into fully and connect in the pedestal locating hole 11, connect the connection pedestal locating hole 11 that appear in location-plate 1 pedestal upper body 31;
2. with location-plate 1 together with connecting pedestal 3, navigate on the hull in advance on the cross hairs of the connection pedestal installation site of determining according to drawing, adjust location-plate 1, make the cross hairs that reticle alignment limit 13 on the location-plate 1 is aimed on the hulls;
3. four fixed magnets 2 are positioned in four fixed magnet installing holes 12 on the location-plate 1, the convex 21 of fixed magnets 2 bottoms is embedded in the fixed magnet installing hole fully, upper body protrudes on the location-plate 1, fixed magnet 2 be adsorbed on the hull back to location-plate 1 be connected pedestal 3 and carry out temporary fixed, such location is suitable for the work of each face in the cabin, as end face, bottom surface, vertical plane and 45 ° of inclined planes or the like;
4. the welding gun of using electric welding machine will connect pedestal and spot weld on the hull by three spot welding locating holes 14 on the location-plate 1;
5. four fixed magnets 2 are removed location-plate 1 after location-plate 1 takes off, the connection pedestal 3 that spots weld on the hull is fixed welding.
Undoubtedly, also have other value and approximate profile to select in the described embodiment of the positioner of connection pedestal of the present invention.In a word, protection scope of the present invention should comprise that those those of ordinary skills are conspicuous conversion or substitute.
Claims (7)
1. one kind is used to connect the positioner that pedestal is installed, it is characterized in that this positioner comprises a location-plate (1) and a plurality of cylindricality fixed magnet (2), the center of described location-plate (1) has the connection pedestal locating hole (11) of a circle, the internal diameter on described connection pedestal locating hole (11) top equals to connect the diameter of pedestal upper body (31), the internal diameter that connects pedestal locating hole (11) bottom equals to connect the diameter of pedestal lower body (32), the height that connects pedestal locating hole (11) bottom equals to connect the height of pedestal lower body (32), is evenly distributed with a plurality of and the spot welding locating hole (14) that is connected pedestal locating hole (11) connection around this connections pedestal locating hole (11); The position that keeps to the side on the described location-plate (1) has a plurality of fixed magnet installing holes (12), main body (21) diameter of described cylindricality fixed magnet (2) is greater than the internal diameter of fixed magnet installing hole (12), the one diameter convex little than upper body diameter (21) arranged at the bottom of cylindricality fixed magnet (2), the diameter of this convex (21) is less than or equal to the internal diameter of fixed magnet installing hole (12), the height of convex (21) equals the thickness of location-plate (1), and described convex (21) can embed in the fixed magnet installing hole (12); Described location-plate (1) edge has four reticle alignment limits (13), and the extended line of each cross alignment edge (13) intersects at the center of circle that connects pedestal locating hole (11).
2. connection pedestal positioner according to claim 1 is characterized in that the profile of described location-plate (1) or for square or for circular or be rhombus.
3. connection pedestal positioner according to claim 2 is characterized in that the corner location of described square location-plate (1) has four fixed magnet installing holes (12).
4. connection pedestal positioner according to claim 3 is characterized in that four fixed magnet installing holes (12) of corresponding described square location-plate (1) are provided with four fixed magnets (2).
5. connection pedestal positioner according to claim 3, the quantity that it is characterized in that described spot welding locating hole (14) is three.
6. connection pedestal positioner according to claim 1 is characterized in that described cross alignment edge (13) is a right-angle side of del.
7. connection pedestal positioner according to claim 1 is characterized in that the marginal position chamfering of the top and the bottom of described fixed magnet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610118573XA CN100473487C (en) | 2006-11-22 | 2006-11-22 | Locating unit for connecting pedestal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610118573XA CN100473487C (en) | 2006-11-22 | 2006-11-22 | Locating unit for connecting pedestal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101020280A true CN101020280A (en) | 2007-08-22 |
| CN100473487C CN100473487C (en) | 2009-04-01 |
Family
ID=38708199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610118573XA Active CN100473487C (en) | 2006-11-22 | 2006-11-22 | Locating unit for connecting pedestal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100473487C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887220A (en) * | 2012-09-11 | 2013-01-23 | 武昌造船厂集团有限公司 | Electric thruster pedestal and welding method thereof |
| CN105965166A (en) * | 2016-06-24 | 2016-09-28 | 山东黑旋风锯业有限公司 | Laser cutting device for saw web base body |
| CN107604805A (en) * | 2017-10-31 | 2018-01-19 | 中铁十六局集团第三工程有限公司 | A kind of Bailey truss section |
| CN108714870A (en) * | 2018-07-18 | 2018-10-30 | 天威保变(合肥)变压器有限公司 | A kind of press fitting magnet cushion block |
| CN110877182A (en) * | 2019-12-14 | 2020-03-13 | 湖南联诚轨道装备有限公司 | Welding tool for assembling and welding pantograph mounting seat and welding method for pantograph mounting seat |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5023427A (en) * | 1990-04-12 | 1991-06-11 | Armco Steel Company, L.P. | Method and apparatus for automatically aligning proximal edges of sheets to be butt welded |
-
2006
- 2006-11-22 CN CNB200610118573XA patent/CN100473487C/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887220A (en) * | 2012-09-11 | 2013-01-23 | 武昌造船厂集团有限公司 | Electric thruster pedestal and welding method thereof |
| CN102887220B (en) * | 2012-09-11 | 2014-12-03 | 武昌船舶重工集团有限公司 | Electric thruster pedestal and welding method thereof |
| CN105965166A (en) * | 2016-06-24 | 2016-09-28 | 山东黑旋风锯业有限公司 | Laser cutting device for saw web base body |
| CN105965166B (en) * | 2016-06-24 | 2019-04-02 | 山东黑旋风锯业有限公司 | Saw bit matrix laser cutting device |
| CN107604805A (en) * | 2017-10-31 | 2018-01-19 | 中铁十六局集团第三工程有限公司 | A kind of Bailey truss section |
| CN107604805B (en) * | 2017-10-31 | 2024-02-13 | 中铁十六局集团第三工程有限公司 | Beret truss section |
| CN108714870A (en) * | 2018-07-18 | 2018-10-30 | 天威保变(合肥)变压器有限公司 | A kind of press fitting magnet cushion block |
| CN110877182A (en) * | 2019-12-14 | 2020-03-13 | 湖南联诚轨道装备有限公司 | Welding tool for assembling and welding pantograph mounting seat and welding method for pantograph mounting seat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100473487C (en) | 2009-04-01 |
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