CN203256310U - Detachable device capable of eliminating welding stress quickly - Google Patents
Detachable device capable of eliminating welding stress quickly Download PDFInfo
- Publication number
- CN203256310U CN203256310U CN 201320270821 CN201320270821U CN203256310U CN 203256310 U CN203256310 U CN 203256310U CN 201320270821 CN201320270821 CN 201320270821 CN 201320270821 U CN201320270821 U CN 201320270821U CN 203256310 U CN203256310 U CN 203256310U
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- temperature measurement
- housing
- welding stress
- measurement controller
- housings
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Abstract
The utility model discloses a detachable device capable of eliminating welding stress quickly. The detachable device capable of eliminating welding stress quickly comprises two long-bar-shaped shells with semi-circular longitudinal cross sections and a temperature measurement controller; the shells are internally provided with thermal insulation layers and fireproof layers sequentially; a plurality of trenches are formed on the fireproof layers along the axial directions of the shells, and are internally provided with resistance wires; the shells are provided with power supply interfaces; two ends of the resistance wires are connected with the power supply interfaces through leads; the temperature measurement controller comprises a temperature measurement part and a control part; the temperature measurement part sequentially penetrates through the shells, the thermal insulation layers and the fireproof layers; the control part of the temperature measurement controller is used for being connected with an externally connected power supply so as to control the connection and disconnection of the externally connected power supply. The detachable device capable of eliminating welding stress quickly provided by the utility model can eliminate the welding stress rapidly and effectively, moreover is simple in structure, and is convenient to use.
Description
Technical field
The utility model relates to the during welding for steel structure technical field, relates in particular to a kind of device of dismountable quick elimination welding stress.
Background technology
At some high voltage power transmission pipelines, oil, natural gas line, the outdoor large working-yards such as bridge all need to carry out welding procedure, in order to carry out the connection of each base part.Present most heavy construction is not all eliminated welding stress after welding, stayed very large potential safety hazard for this reason, causes many engineerings to lose efficacy, some in addition caused the catastrophic failure generation.Although the device of a lot of elimination welding stresses has been arranged at present, but these devices mostly adopt the mode of mechanical vibration to eliminate, and such device not only structure is comparatively complicated, and use also comparatively bothers, the effect that eliminates stress simultaneously is bad, can't satisfy topology requirement now.
The utility model content
For the prior art above shortcomings, the purpose of this utility model just is to provide a kind of device of dismountable quick elimination welding stress, can eliminate quickly and efficiently welding stress, and simple in structure, easy to use.
To achieve these goals, the technical solution adopted in the utility model is such: a kind of device of dismountable quick elimination welding stress, it is characterized in that: the long strip shape housing that comprises two longitudinal cross-section semicirculars in shape, one side of two housings links to each other by hinge, make the opposite side of two housings can carry out folding, when the opposite side of two housings closes up, be cylinder-like structure; In housing, be disposed with thermal insulation layer and flame retardant coating, on flame retardant coating along housing axially offer several grooves, in groove, be provided with resistance wire; Be provided with power interface at housing, the two ends of described resistance wire link to each other with power interface by wire, and this power interface is used for linking to each other with external power source;
Also comprise a temperature measurement controller, described temperature measurement controller comprises temperature measurement fraction and control section, this temperature measurement controller install with a housing wherein on, its temperature measurement fraction passes this housing, thermal insulation layer and flame retardant coating successively; The control section of this temperature measurement controller is used for linking to each other with external source, with the break-make of control external source.
Further, the both sides of described housing have outside flange, and described hinge links to each other with the flange of two housings the same side.
Further, described housing is made by steel plate.
Further, described resistance wire is the Fe-Cr-Ae resistance wire.
Compared with prior art, the utility model has the advantage of: simple in structure, can be quickly installed on the weldment, and can dismantle from weldment fast; Two housings one side links to each other, but opposite side free-open-close, be convenient to like this this device is enclosed within weld on the weldment (such as pipeline etc.), after two housings closes up, by resistance wire is switched on, make the resistance wire heating, and by temperature measurement controller to the heating temperature monitor, by temperature measurement controller the break-make of external source is controlled simultaneously, temperature measurement controller control outage after temperature reaches set(ting)value, keep again the temperature certain hour after, two housings is opened, thereby realize by heating weld being carried out stress relieving, effective, speed is fast.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial schematic diagram after the cutting open of housing.
Among the figure: 1-housing, 2-thermal insulation layer, 3-flame retardant coating, 4-resistance wire, 5-temperature measurement controller, 6-hinge.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment: referring to Fig. 1, Fig. 2, a kind of device of dismountable quick elimination welding stress, the long strip shape housing 1 that comprises two longitudinal cross-section semicirculars in shape, one side of two housings 1 links to each other by hinge 6, make the opposite side of two housings 1 can carry out folding, when the opposite side of two housings 1 closes up, be cylinder-like structure; During implementation, but also be provided with locking mechanism in the folding side of two housings, so that the two housings after will closing up is fixed.The both sides of described housing have outside flange, and described hinge links to each other with the flange of two housings the same side; Described housing is made by steel plate, and its thickness is about 3mm.
In housing, be disposed with thermal insulation layer 2 and flame retardant coating 3, on flame retardant coating 3 along housing axially offer several grooves, in groove, be provided with resistance wire 4; Described resistance wire 4 is the Fe-Cr-Ae resistance wire.Be provided with power interface at housing, the two ends of described resistance wire 4 link to each other with power interface by wire, and this power interface is used for linking to each other with external power source.
Also comprise a temperature measurement controller 5, described temperature measurement controller 5 comprises temperature measurement fraction and control section, this temperature measurement controller 5 install with a housing wherein on, its temperature measurement fraction passes this housing, thermal insulation layer and flame retardant coating successively; The control section of this temperature measurement controller is used for linking to each other with external source, with the break-make of control external source.During implementation, the control section of temperature measurement controller links to each other with external source after by a Controlling System (such as trip switch etc.), to control the break-make of external source.The temperature measurement fraction of described temperature measurement controller can be positioned at groove, also can pass between two grooves, enters in the cavity that is surrounded by two semicircular shells.During use, temperature measurement fraction can directly contact workpiece.
During construction, open two semicircular shells, the welding line joint of the workpiece after the site welding is clamped in the cavity that is surrounded by two semicircular shells; Then power interface and external source are connected, make resistance wire energising and heating, thereby the welding line joint of weldment is heated, simultaneously, the control section of temperature measurement controller is linked to each other with this external source after a Controlling System (such as trip switch etc.), to control the break-make of this external source; By the temperature measurement fraction of temperature measurement controller is monitored Heating temperature, after temperature reached set(ting)value, the control section of temperature regulator control external source disconnected, thus stopped heating; Take off the technological process that heating unit is namely finished whole elimination welding stress behind the insulation certain hour.After a weld seam is finished, can then carry out again second, the 3rd etc. after the stress relieving work of each weld seam.
In the welding process, because welding heat energy makes the metal fusing, and at the quick crystallisation by cooling of connecting portion, make it to reach the connection of workpiece.Because welding process is finished at limited regional area, stress concentration and tissue odds that the interior generation of one-piece machine member is caused by heating-cooling are even, such as untimely elimination, can move the generation hidden danger of quality to the later stage, and the accident of bringing out occur.Be heated to certain temperature in order to eliminate the local stress that produces, to adopt, can evenly cool off after insulation for some time and eliminate various stress.The utility model utilizes the heating unit of opening and closing type, finishes this technological process at the welding line joint region of stress concentration.Also available this device is finished other forms of heat-treatment of annealing technique simultaneously; The Heating element of its device is according to joule lenzs law
Produce the processed workpiece of heat heating.
Need to prove at last, above embodiment is only in order to the technical solution of the utility model to be described but not the restriction technologies scheme, those of ordinary skill in the art is to be understood that, those are made amendment to the technical solution of the utility model or are equal to replacement, and do not break away from aim and the scope of the technical program, all should be encompassed in the middle of the claim scope of the present utility model.
Claims (4)
1. the device of a dismountable quick elimination welding stress, it is characterized in that: the long strip shape housing that comprises two longitudinal cross-section semicirculars in shape, one side of two housings links to each other by hinge, makes the opposite side of two housings can carry out folding, is cylinder-like structure when the opposite side of two housings closes up; In housing, be disposed with thermal insulation layer and flame retardant coating, on flame retardant coating along housing axially offer several grooves, in groove, be provided with resistance wire; Be provided with power interface at housing, the two ends of described resistance wire link to each other with power interface by wire, and this power interface is used for linking to each other with external power source;
Also comprise a temperature measurement controller, described temperature measurement controller comprises temperature measurement fraction and control section, this temperature measurement controller install with a housing wherein on, its temperature measurement fraction passes this housing, thermal insulation layer and flame retardant coating successively; The control section of this temperature measurement controller is used for linking to each other with external source, with the break-make of control external source.
2. the device of a kind of dismountable quick elimination welding stress according to claim 1, it is characterized in that: the both sides of described housing have outside flange, and described hinge links to each other with the flange of two housings the same side.
3. the device of a kind of dismountable quick elimination welding stress according to claim 1 and 2, it is characterized in that: described housing is made by steel plate.
4. the device of a kind of dismountable quick elimination welding stress according to claim 3, it is characterized in that: described resistance wire is the Fe-Cr-Ae resistance wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320270821 CN203256310U (en) | 2013-05-17 | 2013-05-17 | Detachable device capable of eliminating welding stress quickly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320270821 CN203256310U (en) | 2013-05-17 | 2013-05-17 | Detachable device capable of eliminating welding stress quickly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203256310U true CN203256310U (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320270821 Expired - Fee Related CN203256310U (en) | 2013-05-17 | 2013-05-17 | Detachable device capable of eliminating welding stress quickly |
Country Status (1)
| Country | Link |
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| CN (1) | CN203256310U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103987143A (en) * | 2014-06-11 | 2014-08-13 | 四川石油天然气建设工程有限责任公司 | Pipeline welding joint heating equipment and manufacturing method thereof |
| CN106086365A (en) * | 2016-08-22 | 2016-11-09 | 首钢股份公司迁安钢铁公司 | Bulk heat treatmet system changed online by large-scale air stove vault |
| CN106222393A (en) * | 2016-08-30 | 2016-12-14 | 江苏共昌轧辊股份有限公司 | A kind of roll head and neck annealing separate type heater |
| CN113897482A (en) * | 2021-08-26 | 2022-01-07 | 中交广州航道局有限公司 | Profile modeling combination formula heat treatment furnace |
-
2013
- 2013-05-17 CN CN 201320270821 patent/CN203256310U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103987143A (en) * | 2014-06-11 | 2014-08-13 | 四川石油天然气建设工程有限责任公司 | Pipeline welding joint heating equipment and manufacturing method thereof |
| CN103987143B (en) * | 2014-06-11 | 2015-10-28 | 四川石油天然气建设工程有限责任公司 | A kind of pipeline welded joint heating equipment and preparation method thereof |
| CN106086365A (en) * | 2016-08-22 | 2016-11-09 | 首钢股份公司迁安钢铁公司 | Bulk heat treatmet system changed online by large-scale air stove vault |
| CN106222393A (en) * | 2016-08-30 | 2016-12-14 | 江苏共昌轧辊股份有限公司 | A kind of roll head and neck annealing separate type heater |
| CN113897482A (en) * | 2021-08-26 | 2022-01-07 | 中交广州航道局有限公司 | Profile modeling combination formula heat treatment furnace |
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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: 20131030 Termination date: 20150517 |
|
| EXPY | Termination of patent right or utility model |