CN201947476U - Pre-welding heating device for semicircular board of leg main chord pipe - Google Patents
Pre-welding heating device for semicircular board of leg main chord pipe Download PDFInfo
- Publication number
- CN201947476U CN201947476U CN2010206024632U CN201020602463U CN201947476U CN 201947476 U CN201947476 U CN 201947476U CN 2010206024632 U CN2010206024632 U CN 2010206024632U CN 201020602463 U CN201020602463 U CN 201020602463U CN 201947476 U CN201947476 U CN 201947476U
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- ceramic heating
- coil holder
- heating device
- board
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Abstract
The utility model relates to a pre-welding heating device for a semicircular board of a leg main chord pipe. The heating device comprises a ceramic heating piece as well as a positive pole and a negative pole of a power cord which is connected with the ceramic heating piece, the ceramic heating piece takes the shape of a semicircular cylinder, a layer of heat insulation cotton is encased outside the semicircular cylinder-shaped ceramic heating piece, and a semicircular cylinder-shaped framework board coats the whole heat insulation cotton. The heating device covers a to-be-heated semicircular board and covers more than 90 percent of the semi-circle board, and the heating efficiency is improved by more than 50 percent compared with a traditional heating device.
Description
Technical field
The utility model relates to the spud leg main shipboard tube of drilling platforms, heater before especially a kind of spud leg main shipboard tube semi-circular plate weldering.
Background technology
Large-scale self-elevating drilling platform is used for the exploration and the exploitation of offshore oil, natural gas resource, the drilling platforms main body is supported by spud leg, this spud leg is an English truss formula structure, is provided with main shipboard tube at the triangle place of pile leg structure, and main shipboard tube interconnects by stay pipe.Main shipboard tube comprises two symmetrically arranged semi-circular plates and has the rack-plate formation of tooth bar.At present, the material of making main shipboard tube is a high-strength steel ASTM A517 material, and this kind material is heated to certain temperature according to the technological specification needs just can carry out the welding of semi-circular plate.Existing general heating means are to utilize the flaky pottery heating plate to cover the main shipboard tube surface, and the heat that utilizes heating plate to produce makes main shipboard tube reach the temperature of technological requirement.But because main shipboard tube is made up of semi-circular plate and rack-plate, structure is comparatively complicated, and the flaky pottery heating plate can't be realized whole tight coverings, cause the heating-up temperature height inconsistent, reduced the efficiency of heating surface, prolonged heating time, cause main shipboard tube production efficiency low, cost improves.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and heater before the high spud leg main shipboard tube semi-circular plate weldering of a kind of simple in structure, design science, the efficiency of heating surface is provided.
The purpose of this utility model is achieved through the following technical solutions:
Heater before a kind of spud leg main shipboard tube semi-circular plate weldering, comprise ceramic heating flake and the power line positive pole and the negative pole that are connected with ceramic heating flake, it is characterized in that: ceramic heating flake is a semi-cylindrical shaped, semicylindrical ceramic heating flake is coated with one deck heat-preservation cotton, and integral coating has the semi-cylindrical shaped frame board outside heat-preservation cotton.
And, tubular middle part at the semi-cylindrical shaped frame board is fixed with a coil holder column, be fixed with the coil holder crossbeam in the upper end of coil holder column, the power line positive pole and the negative pole that are connected with ceramic heating flake all are packed on coil holder column and the crossbeam, and connect power supply by coil holder column and crossbeam.
Advantage of the present utility model and beneficial effect are:
1, the semi-cylindrical shaped structure of coincideing substantially with the semi-circular plate outer rim that constitutes by ceramic heating flake, heat-preservation cotton and dry plate of this heater, can cover and be contained on the semi-circular plate to be heated, can guarantee that thus heater reaches more than 90% the tight coverage rate of semi-circular plate, guarantee that workpiece is heated evenly, reduce the uneven distortion that produces of workpiece Yin Wendu rising.
2, this heater is coated with heat-preservation cotton with ceramic heating flake and reaches the semi-cylindrical shaped frame board of being made by dry plate, and high insulating effect has improved the efficiency of heating surface, and the more present heater efficiency of heating surface has improved more than 50%., can cut down the consumption of energy 50% simultaneously, energy-conserving and environment-protective do not produce any pollution.
3, the utility model overall structure is simple, and design science is reasonable, and is easy to operate, the coverage rate height, and efficiency of heating surface height can be simultaneously heats simultaneously to two semi-circular plates up and down, has improved the production efficiency of main shipboard tube.
Description of drawings
Fig. 1 is structural front view of the present utility model (broken section);
Fig. 2 is the utility model working state figure.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and by specific embodiment, and following examples are descriptive, are not determinate, can not limit protection range of the present utility model with this.
Heater before a kind of spud leg main shipboard tube semi-circular plate weldering, power line that comprises ceramic heating flake 3 and be connected anodal 6 and negative pole 7 with ceramic heating flake, ceramic heating flake is a semi-cylindrical shaped, semicylindrical ceramic heating flake is coated with one deck heat-preservation cotton 2, integral coating has semi-cylindrical shaped frame board 1 outside heat-preservation cotton, and this semi-cylindrical shaped frame board generally adopts dry plate to make.Tubular middle part at the semi-cylindrical shaped frame board is fixed with a coil holder column 5, is fixed with coil holder crossbeam 4 in the upper end of coil holder column.The power line positive pole and the negative pole that are connected with ceramic heating flake all are packed on coil holder column and the crossbeam, and connect power supply by coil holder column and crossbeam.
Present embodiment is described to install, and is to adopt screw to install or welding.
Present embodiment is not described in detail part, is current techique.
The application of this heater is referring to Fig. 2, is with this heater outside all outside two semi-circular plates of main shipboard tube 8.Because main shipboard tube is longer, therefore can adopt the heater of segmentation, power line positive pole and negative pole carry out winding displacement by coil holder.On the coil holder crossbeam, hanger can be installed, with conveniently assemble and disassemble.
Claims (2)
1. heater before a spud leg main shipboard tube semi-circular plate welds, comprise ceramic heating flake and the power line positive pole and the negative pole that are connected with ceramic heating flake, it is characterized in that: ceramic heating flake is a semi-cylindrical shaped, semicylindrical ceramic heating flake is coated with one deck heat-preservation cotton, and integral coating has the semi-cylindrical shaped frame board outside heat-preservation cotton.
2. heater before the spud leg main shipboard tube semi-circular plate weldering according to claim 1, it is characterized in that: the tubular middle part at the semi-cylindrical shaped frame board is fixed with a coil holder column, be fixed with the coil holder crossbeam in the upper end of coil holder column, the power line positive pole and the negative pole that are connected with ceramic heating flake all are packed on coil holder column and the crossbeam, and connect power supply by coil holder column and crossbeam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206024632U CN201947476U (en) | 2010-11-11 | 2010-11-11 | Pre-welding heating device for semicircular board of leg main chord pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206024632U CN201947476U (en) | 2010-11-11 | 2010-11-11 | Pre-welding heating device for semicircular board of leg main chord pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201947476U true CN201947476U (en) | 2011-08-24 |
Family
ID=44474810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206024632U Expired - Fee Related CN201947476U (en) | 2010-11-11 | 2010-11-11 | Pre-welding heating device for semicircular board of leg main chord pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201947476U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104498676A (en) * | 2014-11-21 | 2015-04-08 | 中船黄埔文冲船舶有限公司 | Truss framed leg main-chord heating/insulation device |
| CN108240770A (en) * | 2016-12-26 | 2018-07-03 | 上海朗仕电子设备有限公司 | A kind of reflow ovens semicircle heating unit |
| CN113126396A (en) * | 2019-12-31 | 2021-07-16 | 苏州佳世达光电有限公司 | Projection device |
-
2010
- 2010-11-11 CN CN2010206024632U patent/CN201947476U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104498676A (en) * | 2014-11-21 | 2015-04-08 | 中船黄埔文冲船舶有限公司 | Truss framed leg main-chord heating/insulation device |
| CN108240770A (en) * | 2016-12-26 | 2018-07-03 | 上海朗仕电子设备有限公司 | A kind of reflow ovens semicircle heating unit |
| CN113126396A (en) * | 2019-12-31 | 2021-07-16 | 苏州佳世达光电有限公司 | Projection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20141111 |
|
| EXPY | Termination of patent right or utility model |