CN114620201A - 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
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- CN114620201A CN114620201A CN202111515714.2A CN202111515714A CN114620201A CN 114620201 A CN114620201 A CN 114620201A CN 202111515714 A CN202111515714 A CN 202111515714A CN 114620201 A CN114620201 A CN 114620201A
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- jig frame
- heating coil
- horizontal angle
- ship
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 71
- 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 21
- 238000003466 welding Methods 0.000 claims description 11
- 238000009415 formwork Methods 0.000 claims 5
- 230000000284 resting effect Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 8
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Classifications
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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
- 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
Abstract
The invention discloses a method for arranging a jig frame of a heating coil unit of a ship, which comprises the following steps: arranging a fixed jig frame by parallel equidistant angle steels and upright columns, wherein the upper plane of the jig frame is an angle steel wing plate; placing the sections of the heating coil pipes of the ship to be assembled into units on a jig frame according to the theoretical position; and step three, placing the movable jig frame beam on the fixed jig frame, and supporting under the overhanging pipe section to complete the arrangement of the unit jig frame of the heating coil of the ship, and further relates to a unit jig frame structure of the heating coil of the ship. The universal fixed type parallel beam jig frame and the movable type jig frame beam are adopted, the requirements of the jig frame for building dozens of heating coil units of the liquid cargo tank of the ship in different forms are met, the labor cost and the material cost for arranging the jig frame are greatly reduced, and the unit building quality is improved.
Description
Technical Field
The invention belongs to the technical field of ship construction, and particularly relates to a ship heating coil unit jig arrangement method and a ship heating coil unit jig.
Background
The heating coil pipes need to be arranged in the liquid tank with the heating requirement of the ship, and in order to reduce the workload on the ship, the heating coil pipes need to be spliced into a unit before being hoisted on the ship. Because the sizes of the liquid tanks are different, the trend and the sizes of the heating coil pipes are also different, and a universal fixed jig frame cannot be arranged to meet the jig frame requirements of various heating coil pipe units.
At present, in ship construction, the existing heating coil unit jig arrangement method is as follows:
the 'field' -shaped jig frames are arranged at relatively dense intervals, and welding jig frame beams are additionally arranged at required positions according to the form of the heating coil unit. When the other type of the 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:
firstly, the 'tian' -shaped jig frame is not beneficial to the passage of constructors and is easy to trip;
secondly, a welding jig frame beam is additionally arranged, so that certain construction time is required, and labor cost is consumed;
thirdly, a welding jig beam is additionally arranged, so that positioning deviation is easily caused, the flatness of the upper plane of the jig is out of tolerance, and the construction quality of the heating coil unit is influenced;
the fourth, dense "field" shaped bed-jig and the additional bed-jig beams that cannot be recycled consume material costs.
Disclosure of Invention
The invention provides a method for arranging a jig frame of a heating coil unit of a ship, aiming at the problems in the prior art, and the method meets the jig frame requirements for the construction of the heating coil units of dozens of tanks of the ship in different forms through a universal fixed type parallel beam jig frame and a movable type jig frame beam, greatly reduces the labor cost and the material cost for the arrangement of the jig frame, and improves the unit construction quality.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention firstly relates to a method for arranging a jig frame of a heating coil unit of a ship, which comprises the following steps:
arranging a fixed jig frame, wherein the fixed jig frame comprises horizontal angle steels and stand columns, the horizontal angle steels are arranged in parallel at equal intervals, a plurality of identical stand columns are arranged below 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;
placing the heating coil pipe sections to be assembled into the ship heating coil unit on a jig frame, wherein the heating coil pipe sections are placed on the fixed jig frame according to the theoretical positions of the heating coils;
placing the movable jig frame beam on the 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, the two ends of the horizontal circular pipe are respectively provided with the buckling claws, the buckling claws are clamped on two adjacent horizontal angle steel, the horizontal circular pipe supports the overhanging pipe sections, and after the plurality of movable jig frame beam supporting overhanging pipe sections form stable support, the arrangement of the heating coil unit jig frame of the ship is completed.
In the first step, the height of the upright post and the horizontal angle steel are fixed in a lap joint mode, and the upper end of the upright post 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 unit is in the same plane and is provided with a plurality of circuitous and bent pipelines, and the pipelines are formed by welding and connecting a plurality of pipe sections.
In the second step, the heating coil pipe sections are placed on the upper plane of the jig frame according to the established connection relation of the units required to be formed, and all the pipe sections do not exceed the coverage range of the upper plane of the fixed jig frame.
In the third step, the buckling claws of the movable jig frame beam can be lapped on the horizontal angle steel of two adjacent fixed jig frames, the upper surface of a horizontal circular tube of the movable jig frame beam and a horizontal angle steel wing plate of the fixed jig frames are positioned on the same plane, and the planeness is required to be less than or equal to +/-2 mm.
In the third step, the overhanging pipe section is a pipe section which can not keep balance when being laid on a fixed type jig frame or a pipe section with deflection larger than 5 mm.
The invention also relates to a clamping fixture structure of the heating coil unit of the ship, which comprises a fixed clamping fixture, a movable clamping fixture beam and the heating coil unit, wherein the fixed clamping fixture comprises horizontal angle steels and upright columns, the horizontal angle steels are arranged in parallel at equal intervals, a plurality of identical upright columns are arranged below each horizontal angle steel, the upper surfaces of the horizontal angle steels are positioned on the same plane, and the upper plane of the fixed clamping fixture is a wing plate of the horizontal angle steel; the movable jig frame beam consists of a horizontal circular tube and two buckling claws, the horizontal circular tube is positioned in the middle, the two ends of the horizontal circular tube are respectively provided with one buckling claw, and the buckling claws are clamped on two adjacent horizontal angle steels; the heating coil unit comprises a pipeline which is located in the same plane and has a plurality of circuitous bends, the pipeline is formed by welding a plurality of pipe sections, a movable type jig frame beam is respectively placed under the overhanging pipe section to support, a horizontal round pipe supports the overhanging pipe section, and the pipe sections supported by the movable type jig frame beam 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 composed of parallel equidistant angle steels is used, so that the convenience of personnel passing is provided, and the potential safety hazard is reduced;
(2) according to the invention, the movable jig frame beams are used for quickly arranging the jig frames meeting the requirements according to different forms of the heating coil unit;
(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 to meet the flatness requirement of the upper plane of the jig frame and ensure the construction quality of the heating coil unit;
(4) the angle steels of the fixed jig frame in the unit structure are all in parallel directions, 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 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 an operation flow chart of the arrangement method of the jig frame of the heating coil unit of the ship.
Fig. 2 is a schematic structural view of the movable type jig frame 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 inventive marine heating coil unit jig structure.
Wherein the reference numerals are specified as follows:
1. horizontal angle steel 2, upright post 3, heating coil pipe section 4 and pipe section folding opening
5. Movable type jig frame beam 6, horizontal round pipe 7 and buckling claw
Detailed Description
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.
In order to overcome the defects in the prior art, the invention researches the arrangement method of the jig frame of the heating coil unit of the ship, and tries to meet the jig frame requirements of the heating coil unit of dozens of liquid cargo tanks of the ship in different forms through a universal fixed type parallel beam jig frame and a movable type jig frame beam, thereby greatly reducing the labor cost and the material cost of the jig frame arrangement and improving the unit construction quality.
As shown in fig. 1, the invention relates to a method for arranging a jig frame of a heating coil unit of a ship, which comprises the following steps:
step one, arranging a fixed jig frame, wherein the fixed jig frame comprises horizontal angle steel 1 and upright columns 2, the horizontal angle steel 1 are arranged in parallel at equal intervals, a plurality of identical upright columns 2 are arranged below 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 height of stand 2 is fixed for the overlap joint with horizontal angle steel 1, and 2 upper ends of stand are less than 20mm in the bed-jig upper flat face, the plane is 400mm apart from ground height on the bed-jig, and the plane degree requirement is less than or equal to 2mm, horizontal angle steel 1's length is not less than 9000mm, and the quantity is not less than 8.
And step two, placing the heating coil pipe sections to be assembled into the ship heating coil unit 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 this step, the heating coil unit is in the same plane, and has a plurality of circuitous and bent pipelines, and the pipelines are formed by welding and connecting a plurality of pipe sections. The heating coil pipe sections are placed on the upper plane of the jig frame according to the established connection relation of the units required to be formed, and all the pipe sections do not exceed the coverage range of the upper plane of the fixed jig frame.
And step three, placing the movable jig frame beam on the fixed jig frame, and respectively placing the movable jig frame beam under the overhanging pipe section for supporting. As shown in fig. 2, the movable type jig frame beam 5 is composed of a horizontal circular tube 6 and fastening claws 7, the horizontal circular tube 6 is located in the middle, the two ends of the horizontal circular tube 6 are respectively provided with the fastening claws 7, the fastening claws 7 are clamped on two adjacent horizontal angle steels 1, the horizontal circular tube 6 supports the overhanging tube sections, and after the tube sections supported and overhanging by the movable type jig frame beam 5 are arranged to form stable support, the arrangement of the heating coil unit jig frame of the ship is completed, as shown in fig. 4.
In the third step, as shown in fig. 3, the clasps 7 of the movable jig frame beam 5 can be lapped on the horizontal angle steel 1 of two adjacent fixed jig frames, the upper surface of the horizontal circular tube 6 of the movable jig frame beam 5 and the wing plate of the horizontal angle steel 1 of the fixed jig frames are positioned on the same plane, and the planeness is required to be less than or equal to +/-2 mm. The overhanging pipe section is a pipe section which cannot keep balance when being placed on a fixed jig frame or a pipe section with deflection larger than 5 mm.
As shown in fig. 4, the invention also relates to a clamping fixture structure of a heating coil unit of a ship, which comprises a fixed clamping fixture, a movable clamping fixture beam and a heating coil unit, wherein the fixed clamping fixture 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 below each horizontal angle steel 1, the upper surfaces of the horizontal angle steels 1 are positioned on the same plane, and the upper plane of the fixed clamping fixture is a wing plate of the horizontal angle steel 1; the movable jig frame beam 5 is composed of a horizontal circular tube 6 and two buckling claws 7, the horizontal circular tube 6 is located in the middle, the two ends of the horizontal circular tube 6 are respectively provided with one buckling claw 7, and the buckling claws 7 are clamped on two adjacent horizontal angle steels 1. The heating coil unit including being in the coplanar, and there is the pipeline of many circuitous bendings, the pipeline is formed by a plurality of sections welding links to each other, heating coil unit has many heating coil pipe sections 3 welding to form together, 3 connection site of heating coil pipe section that link to each other two sections fold mouth 4 for the pipeline section, because fixed bed-jig constitutes the upper plane for parallel angle steel, so have partial pipeline section to be in the state of encorbelmenting when laying heating coil pipe section 3, the pipeline section of encorbelmenting for encorbelmenting exists between the adjacent horizontal angle steel, support through placing portable bed-jig roof beam 5 respectively under the pipeline section of encorbelmenting, wherein, the pipeline section of encorbelmenting is supported in horizontal pipe 6 on the portable bed-jig roof beam 5, form stable support through arranging the pipeline section of a plurality of portable bed-jig roof beam 5 supports encorbelmenting.
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 that such modifications and improvements are within the spirit and scope of the invention.
Claims (9)
1. A method for arranging a jig frame of a heating coil unit of a ship is characterized by comprising the following steps:
arranging a fixed jig frame, wherein the fixed jig frame comprises horizontal angle steels and stand columns, the horizontal angle steels are arranged in parallel at equal intervals, a plurality of identical stand columns are arranged below 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;
placing the heating coil pipe sections to be assembled into the ship heating coil unit on a jig frame, wherein the heating coil pipe sections are placed on the fixed jig frame according to the theoretical positions of the heating coils;
placing the movable jig frame beam on the 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, the two ends of the horizontal circular pipe are respectively provided with the buckling claws, the buckling claws are clamped on two adjacent horizontal angle steel, the horizontal circular pipe supports the overhanging pipe sections, and after the plurality of movable jig frame beam supporting overhanging pipe sections form stable support, the arrangement of the heating coil unit jig frame of the ship is completed.
2. The method for arranging the jig frame of the heating coil unit of the ship as claimed in claim 1, wherein in the first step, the height of the vertical column is fixed with the horizontal angle steel in an overlapping manner, and the upper end of the vertical column is 20mm lower than the upper plane of the jig frame.
3. The method for arranging the jig frame of the heating coil unit of the ship as claimed in claim 1 or 2, wherein in the step one, the height of the upper plane of the jig frame from the ground is 400mm, and the planeness is required to be less than or equal to +/-2 mm.
4. The marine heating coil unit jig arrangement method as claimed in claim 1 or 2, wherein 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.
5. The method for arranging the jig of the heating coil unit of the ship according to claim 1 or 2, wherein in the second step, the heating coil unit is in the same plane and has a plurality of winding pipelines, and the pipelines are formed by welding and connecting a plurality of pipe sections.
6. The method of claim 1, wherein in step two, the segments of the heating coil are laid flat on the jig according to the predetermined connection relationship of the units to be formed, and the segments do not exceed the coverage of the flat surface of the fixed jig.
7. The method for arranging the formworks of the heating coil units of the ships as claimed in claim 1, wherein in the third step, the clasping claws of the movable type formworks beams can be lapped on the horizontal angle steel of two adjacent fixed type formworks, the upper surfaces of the horizontal circular tubes of the movable type formworks beams and the horizontal angle steel wing plates of the fixed type formworks are in the same plane, and the planeness is required to be less than or equal to +/-2 mm.
8. The method of claim 1 or 7, wherein in the third step, the overhanging tube section is a tube section which cannot be balanced when resting on a fixed form or a tube section with a deflection greater than 5 mm.
9. A clamping fixture structure of a heating coil unit of a ship is characterized by comprising a fixed clamping fixture, a movable clamping fixture beam and a heating coil unit, wherein the fixed clamping fixture comprises horizontal angle steels and stand columns, the horizontal angle steels are arranged in parallel at equal intervals, a plurality of same stand columns are arranged below each horizontal angle steel, the upper surfaces of the horizontal angle steels are positioned on the same plane, and the upper plane of the fixed clamping fixture is a wing plate of the horizontal angle steel; the movable jig frame beam consists of a horizontal circular tube and two buckling claws, the horizontal circular tube is positioned in the middle, the two ends of the horizontal circular tube are respectively provided with one buckling claw, and the buckling claws are clamped on two adjacent horizontal angle steels; the heating coil unit comprises a pipeline which is located in the same plane and has a plurality of circuitous bends, the pipeline is formed by welding a plurality of pipe sections, a movable type jig frame beam is respectively placed under the overhanging pipe section to support, a horizontal round pipe supports the overhanging pipe section, and the pipe sections supported by the movable type jig frame beam form stable support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111515714.2A CN114620201B (en) | 2021-12-13 | Ship heating coil unit jig frame arrangement method and ship heating coil unit jig frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111515714.2A CN114620201B (en) | 2021-12-13 | Ship heating coil unit jig frame arrangement method and ship heating coil unit jig frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114620201A true CN114620201A (en) | 2022-06-14 |
| CN114620201B CN114620201B (en) | 2024-05-17 |
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