CN114620201B - Ship heating coil unit jig frame arrangement method and ship heating coil unit jig frame - Google Patents
Ship heating coil unit jig frame arrangement method and ship heating coil unit jig frame Download PDFInfo
- Publication number
- CN114620201B CN114620201B CN202111515714.2A CN202111515714A CN114620201B CN 114620201 B CN114620201 B CN 114620201B CN 202111515714 A CN202111515714 A CN 202111515714A CN 114620201 B CN114620201 B CN 114620201B
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- jig frame
- heating coil
- jig
- coil unit
- horizontal angle
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- 210000000078 claw Anatomy 0.000 claims description 22
- 238000003466 welding Methods 0.000 claims description 11
- 230000000284 resting effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Road Paving Structures (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a ship heating coil unit jig frame arrangement method, which comprises the following steps: firstly, arranging a fixed jig frame by parallel equidistant angle steel and upright posts, wherein the upper plane of the jig frame is an angle steel wing plate; step two, placing the heating coil pipe sections of the ships to be assembled into units on a jig frame according to the theoretical positions; and thirdly, placing the movable jig frame beam on a fixed jig frame, supporting under the overhanging pipe section, and finishing the arrangement of the ship heating coil unit jig frame, and further relates to a ship heating coil unit jig frame structure. The invention adopts the universal fixed parallel beam jig frame and the movable jig frame beam, meets the requirements of the jig frame for building the heating coil units of tens of liquid cargo tanks of ships in different forms, greatly reduces the labor cost and the material cost for arranging the jig frame, and improves the building quality of the units.
Description
Technical Field
The invention belongs to the technical field of ship construction, and particularly relates to a ship heating coil unit jig frame arrangement method and a ship heating coil unit jig frame.
Background
The tank of the ship with heating requirement needs to arrange heating coils, and in order to reduce the workload of the ship, the heating coils need to be spliced into units before being hoisted on the ship. Because the sizes of the liquid tanks are inconsistent, the trend and the sizes of the heating coils are different, and a universal fixed jig frame cannot be arranged to meet the requirements of the jig frames for building various heating coil units.
Currently, in ship construction, the existing heating coil unit jig arrangement method is as follows:
the 'field' -shaped jig frames are arranged at a relatively dense interval, and the welding jig frame beams are additionally arranged at the required positions according to the form of the heating coil units. When another heating coil unit is replaced, the welding jig frame beam is additionally installed according to the requirement.
Using the above method, there are several drawbacks:
The first 'field' -shaped jig frame is not beneficial to the passing of constructors and is easy to stumble;
secondly, additionally installing a welding jig frame beam, occupying a certain construction time and consuming labor cost;
thirdly, additionally installing a welding jig frame beam, so that positioning deviation is easy to cause out-of-flatness of the upper plane of the jig frame, and the construction quality of the heating coil unit is affected;
fourth, intensive "field" font bed-jig and unable extra bed-jig roof beam of recycle have consumed material cost.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method for arranging the jig frame of the heating coil unit of the ship, and the invention meets the requirements of the jig frame for building the heating coil units of dozens of liquid tanks in different forms of the ship through a universal fixed parallel beam jig frame and a universal movable jig frame beam, thereby greatly reducing the labor cost and the material cost for arranging the jig frame and improving the building quality of the units.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The invention relates to a method for arranging a ship heating coil unit jig frame, which comprises the following steps:
Arranging a fixed jig frame, wherein the fixed jig frame comprises horizontal angle steels and upright posts, the horizontal angle steels are placed in parallel at equal intervals, a plurality of identical upright posts are arranged under each horizontal angle steel, the upper surfaces of the plurality of horizontal angle steels are positioned on the same plane, and the upper plane of the fixed jig frame is a wing plate of each horizontal angle steel;
Step two, placing the heating coil pipe sections to be assembled into the ship heating coil pipe units on a jig frame, wherein the positions of the heating coil pipe sections on the fixed jig frame are placed according to the theoretical positions of the heating coils;
And thirdly, placing the movable jig frame beam on a fixed jig frame, respectively placing the movable jig frame beam under the overhanging pipe sections for supporting, wherein the movable jig frame beam consists of a horizontal circular pipe and buckling claws, the horizontal circular pipe is positioned in the middle, two buckling claws are respectively arranged at two ends of the horizontal circular pipe, the buckling claws are clamped on two adjacent horizontal angle steels, the horizontal circular pipe supports the overhanging pipe sections, and after a plurality of movable jig frame beams are arranged to support the overhanging pipe sections to form stable support, the arrangement of the ship heating coil unit jig frame is completed.
In the first step, the height of the stand column is lap-jointed and fixed with the horizontal angle steel, and the upper end of the stand column is 20mm lower than the upper plane of the jig frame.
In the first step, the height of the upper plane of the jig frame from the ground is 400mm, and the flatness requirement is less than or equal to +/-2 mm.
In further design, the length of the horizontal angle steel is not less than 9000mm, and the number of the horizontal angle steel is not less than 8.
In the second step, the heating coil units are positioned in the same plane, and are provided with a plurality of bent pipelines which are formed by welding a plurality of pipe sections.
In the second step, the heating coil pipe sections are laid on the upper plane of the jig frame according to the established connection relation of the required forming units, and each pipe section does not exceed the upper plane coverage area of the fixed jig frame.
In the third step, the buckling claws of the movable tire frame beam can be lapped on the horizontal angle steels of two adjacent fixed tire frames, the upper surface of the horizontal circular tube of the movable tire frame beam and the horizontal angle steel wing plate of the fixed tire frame are positioned on the same plane, and the flatness requirement is less than or equal to +/-2 mm.
In the third step, the overhanging pipe section is a pipe section which cannot be balanced on a fixed jig frame, or a pipe section with deflection larger than 5 mm.
The invention also relates to a ship heating coil unit jig frame structure, which comprises a fixed jig frame, a movable jig frame beam and a heating coil unit, wherein the fixed jig frame comprises horizontal angle steels and upright posts, the horizontal angle steels are arranged in parallel at equal intervals, a plurality of same upright posts are arranged under each horizontal angle steel, the upper surfaces of the plurality of horizontal angle steels are positioned on the same plane, and the upper plane of the fixed jig frame is a wing plate of the horizontal angle steel; the movable tire frame beam consists of a horizontal circular tube and two buckling claws, wherein the horizontal circular tube is positioned in the middle, two buckling claws are respectively arranged at two ends of the horizontal circular tube, and the two buckling claws are clamped on two adjacent horizontal angle steels; the heating coil unit comprises a pipeline which is positioned in the same plane and is provided with a plurality of roundabout bends, the pipeline is formed by welding and connecting a plurality of pipe sections, movable jig beams are respectively placed under the overhanging pipe sections to support the overhanging pipe sections, and the horizontal round pipes support the overhanging pipe sections and the movable jig beams are arranged to support the overhanging pipe sections to form stable support.
Based on the technical scheme, compared with the prior art, the invention has the following technical effects:
(1) According to the invention, the fixed jig frame formed by parallel equidistant angle steel provides convenience for personnel passing and reduces potential safety hazards;
(2) According to the invention, through the movable tire frame beam, the tire frames meeting the requirements are rapidly arranged according to different forms of the heating coil units;
(3) In the method, when the movable jig frame beams are arranged, the height direction does not need to be positioned, and the movable jig frame beams are directly lapped on the fixed jig frame, so that the planeness requirement of the upper plane of the jig frame can be met, and the construction quality of the heating coil unit is ensured;
(4) The angle steel of the fixed jig frame in the unit structure is parallel, and the movable jig frame beam can be repeatedly used, so that the material cost is saved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of the operation of the method of arranging a marine heating coil unit jig of the present invention.
Fig. 2 is a schematic structural view of the mobile carcass beam of the present invention.
Fig. 3 is a schematic view of the use of the mobile carcass beam of the present invention.
Fig. 4 is a schematic top view of the marine heating coil unit jig frame structure of the invention.
Wherein, the reference numerals specifically explain as follows:
1. Horizontal angle steel 2, upright post 3, heating coil pipe section 4 and pipe section folding opening
5. Movable jig frame beam 6, horizontal round tube 7 and buckling claw
Detailed Description
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In order to overcome the defects of the prior art, the invention researches the arrangement method of the ship heating coil unit jig frame, tries to meet the requirements of the jig frame for constructing heating coil units in different forms of dozens of cargo tanks of ships through the universal fixed parallel beam jig frame and the universal movable jig frame beam, greatly reduces the labor cost and the material cost for arranging the jig frame, and improves the unit construction quality.
As shown in fig. 1, the invention relates to a method for arranging a ship heating coil unit jig frame, which comprises the following steps:
Step one, arrange fixed bed-jig, this fixed bed-jig include horizontal angle steel 1 and stand 2, horizontal angle steel 1 equidistant parallel arrangement all be provided with a plurality of the same under every horizontal angle steel 1 stand 2, the upper surface of many horizontal angle steel 1 is in the coplanar, the upper plane of fixed bed-jig is for the pterygoid lamina of horizontal angle steel 1. The height of the upright post 2 is lap joint fixed with the horizontal angle steel 1, the upper end of the upright post 2 is lower than the upper plane of the jig frame by 20mm, the height of the upper plane of the jig frame from the ground is 400mm, the flatness requirement is less than or equal to +/-2 mm, the length of the horizontal angle steel 1 is not less than 9000mm, and the number of the horizontal angle steels is not less than 8.
And secondly, placing the heating coil pipe sections to be assembled into the ship heating coil pipe units on the jig frame, wherein the positions of the heating coil pipe sections on the fixed jig frame are placed according to the theoretical positions of the heating coils. In the step, the heating coil units are positioned in the same plane, and are provided with a plurality of circuitous bent pipelines, and the pipelines are formed by welding and connecting a plurality of pipe sections. The heating coil pipe sections are laid on the upper plane of the jig frame according to the established connection relation of the required formed units, and each pipe section does not exceed the upper plane coverage area of the fixed jig frame.
And thirdly, placing the movable bed-jig beams on the fixed bed-jig, and respectively placing the movable bed-jig beams under the overhanging pipe sections for supporting. As shown in fig. 2, the movable tire frame beam 5 is composed of a horizontal circular tube 6 and buckling claws 7, the horizontal circular tube 6 is located in the middle, two buckling claws 7 are respectively arranged at two ends of the horizontal circular tube 6, the two adjacent horizontal angle steels 1 are clamped through the buckling claws 7, the horizontal circular tube 6 supports overhanging pipe sections, and after the plurality of movable tire frame beams 5 are arranged to support overhanging pipe sections to form stable support, the arrangement of the ship heating coil unit tire frame is completed, as shown in fig. 4.
In the third step, as shown in fig. 3, the locking claws 7 of the movable tire frame beam 5 can be put on the horizontal angle steels 1 of two adjacent fixed tire frames, the upper surface of the horizontal circular tube 6 of the movable tire frame beam 5 and the wing plates of the horizontal angle steels 1 of the fixed tire frames are positioned on the same plane, and the flatness requirement is less than or equal to + -2 mm. The overhanging pipe section is a pipe section which cannot be balanced when placed on a fixed bed-jig, or a pipe section with deflection larger than 5 mm.
As shown in fig. 4, the invention also relates to a ship heating coil unit jig frame structure, which comprises a fixed jig frame, a movable jig frame beam and a heating coil unit, wherein the fixed jig frame comprises horizontal angle steel 1 and upright posts 2, the horizontal angle steel 1 is arranged in parallel at equal intervals, a plurality of identical upright posts 2 are arranged under each horizontal angle steel 1, the upper surfaces of the plurality of horizontal angle steel 1 are positioned on the same plane, and the upper plane of the fixed jig frame is a wing plate of the horizontal angle steel 1; the movable tire frame beam 5 consists of a horizontal circular tube 6 and two buckling claws 7, wherein the horizontal circular tube 6 is positioned in the middle, two buckling claws 7 are respectively arranged at two ends of the horizontal circular tube 6, and the two buckling claws 7 are clamped on two adjacent horizontal angle steels 1. The heating coil unit comprises a pipeline which is positioned in the same plane and is provided with a plurality of roundabout bends, the pipeline is formed by welding and connecting a plurality of pipe sections, namely the heating coil unit is formed by welding a plurality of heating coil pipe sections 3 together, the connecting part of the two connected sections of heating coil pipe sections 3 is a pipe section folding port 4, and because the fixed jig is an upper plane formed by parallel angle steel, when the heating coil pipe sections 3 are paved, part of pipe sections are in a cantilever state, namely the cantilever pipe sections exist between the adjacent horizontal angle steel, the cantilever pipe sections are respectively supported by arranging movable jig beams 5 under the cantilever pipe sections, wherein the horizontal pipe sections 6 on the movable jig beams 5 support the cantilever pipe sections, and the cantilever pipe sections are supported by arranging a plurality of movable jig beams 5 to form stable support.
While the foregoing embodiments have been described in detail and with reference to the present invention, it will be apparent to one skilled in the art that modifications and improvements can be made based on the disclosure without departing from the spirit and scope of the invention.
Claims (9)
1. A method of arranging a marine heating coil unit jig, the method comprising the steps of:
Arranging a fixed jig frame, wherein the fixed jig frame comprises horizontal angle steels and upright posts, the horizontal angle steels are placed in parallel at equal intervals, a plurality of identical upright posts are arranged under each horizontal angle steel, the upper surfaces of the plurality of horizontal angle steels are positioned on the same plane, and the upper plane of the fixed jig frame is a wing plate of each horizontal angle steel;
Step two, placing the heating coil pipe sections to be assembled into the ship heating coil pipe units on a jig frame, wherein the positions of the heating coil pipe sections on the fixed jig frame are placed according to the theoretical positions of the heating coils;
And thirdly, placing the movable jig frame beam on a fixed jig frame, respectively placing the movable jig frame beam under the overhanging pipe sections for supporting, wherein the movable jig frame beam consists of a horizontal circular pipe and buckling claws, the horizontal circular pipe is positioned in the middle, two buckling claws are respectively arranged at two ends of the horizontal circular pipe, the buckling claws are clamped on two adjacent horizontal angle steels, the horizontal circular pipe supports the overhanging pipe sections, and after a plurality of movable jig frame beams are arranged to support the overhanging pipe sections to form stable support, the arrangement of the ship heating coil unit jig frame is completed.
2. A method of arranging a ship heating coil unit jig frame according to claim 1, wherein in the first step, the height of the upright post is fixed in lap joint with the horizontal angle steel, and the upper end of the upright post is 20mm lower than the upper plane of the jig frame.
3. A method of arranging a marine heating coil unit jig frame as claimed in claim 1 or claim 2 wherein in said step one the height of the upper plane of the jig frame from the ground is 400mm and the flatness requirement is +.2 mm.
4. A ship heating coil unit jig frame arrangement method according to claim 1 or 2, wherein the length of the horizontal angle steel is not less than 9000mm and the number is not less than 8.
5. A method of arranging a marine heating coil unit jig frame as claimed in claim 1 or claim 2 wherein in said step two, said heating coil units are in the same plane and have a plurality of serpentine circuits formed by welding a plurality of tube sections.
6. A method of arranging a marine heating coil unit jig frame as claimed in claim 1 wherein in said step two, said heating coil tube sections are laid flat on the jig frame in a predetermined connection relationship to the desired unit, each tube section not exceeding the upper flat coverage area of the stationary jig frame.
7. The method for arranging a ship heating coil unit jig frame according to claim 1, wherein in the third step, the buckling claws of the movable jig frame beams can be lapped on the horizontal angle steel of two adjacent fixed jig frames, the upper surfaces of the horizontal round pipes of the movable jig frame beams and the horizontal angle steel wing plates of the fixed jig frames are in the same plane, and the flatness requirement is less than or equal to +/-2 mm.
8. A method of arranging a marine heating coil unit carcass according to claim 1 or 7, characterized in that in said step three, the overhanging tube section is a tube section which is not balanced when resting on a stationary carcass, or a tube section having a deflection of more than 5mm.
9. The utility model provides a boats and ships heating coil unit bed-jig structure, its characterized in that, this structure includes fixed bed-jig, portable bed-jig roof beam and heating coil unit, this fixed bed-jig include horizontal angle steel and stand, horizontal angle steel equidistant parallel arrangement, all be provided with a plurality of the same stand under every horizontal angle steel, the upper surface of many horizontal angle steel is on the coplanar, the upper plane of fixed bed-jig is the pterygoid lamina of horizontal angle steel; the movable tire frame beam consists of a horizontal circular tube and two buckling claws, wherein the horizontal circular tube is positioned in the middle, two buckling claws are respectively arranged at two ends of the horizontal circular tube, and the two buckling claws are clamped on two adjacent horizontal angle steels; the heating coil unit comprises a pipeline which is positioned in the same plane and is provided with a plurality of roundabout bends, the pipeline is formed by welding and connecting a plurality of pipe sections, movable jig beams are respectively placed under the overhanging pipe sections to support the overhanging pipe sections, and the horizontal round pipes support the overhanging pipe sections and the movable jig beams are arranged to support the overhanging pipe sections to form stable support.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111515714.2A CN114620201B (en) | 2021-12-13 | 2021-12-13 | Ship heating coil unit jig frame arrangement method and ship heating coil unit jig frame |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111515714.2A CN114620201B (en) | 2021-12-13 | 2021-12-13 | Ship heating coil unit jig frame arrangement method and ship heating coil unit jig frame |
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| CN114620201A CN114620201A (en) | 2022-06-14 |
| CN114620201B true CN114620201B (en) | 2024-05-17 |
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