CN102371448B - Manual welding auxiliary device for inner wall of long connecting pipe - Google Patents
Manual welding auxiliary device for inner wall of long connecting pipe Download PDFInfo
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- CN102371448B CN102371448B CN201110316599.6A CN201110316599A CN102371448B CN 102371448 B CN102371448 B CN 102371448B CN 201110316599 A CN201110316599 A CN 201110316599A CN 102371448 B CN102371448 B CN 102371448B
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Abstract
The invention discloses a manual welding auxiliary device for the inner wall of a long connecting pipe. The device comprises a support, wherein a sleeve which can extend into the connecting pipe is fixedly mounted on the support, a sliding plate which can slide in the sleeve is arranged in the sleeve, and a welding window is further arranged on the sleeve. The manual welding auxiliary device for the inner wall of the long connecting pipe adopts the support to extend the sleeve into a connecting pipe joint which needs to be welded on the inner wall of the connecting pipe, a welding worker flatly lies on the sliding plate, the welding worker is sent to the welding window which is opposite to the welding pipe joint to be welded for welding a weld joint by sliding the sliding plate in the sleeve, and the sleeve of the device can move freely in the tape welding connecting pipe and effectively protect a human body, thereby being capable of assisting the welding worker in welding the butt weld joint of the inner wall of the long connecting pipe and effectively improving a working environment for welding the butt weld joint of the inner wall of the long connecting pipe; and the manual welding auxiliary device is used for the field of auxiliary operation devices.
Description
Technical field
The present invention relates to a kind of welding auxiliary operation mechanism, particularly relate to a kind of manual welding servicing unit for inner wall of long connecting.
Background technology
Reactor pressure vessel is most crucial nuclear island equipment in the advanced pressurized water reactor technology nuclear power projects of third generation Europe, the integrated shell ring assembly of reactor pressure vessel is parts the most key in reactor pressure vessel, its inwall comprises the inwall of eight adapters, need to carry out stainless steel built-up welding, the quality requirement of this stainless steel weld overlays is very high, and the stainless steel weld overlays of nozzle inner wall has subregion need to carry out manual build up welding, mainly there is following several respects difficult point in the built-up welding of this part: weld deposit process need to heat outside taking over, heating-up temperature is up to 250 ℃, operating ambient temperature is very high, if do not carry out suitable thermal insulation protection, welder cannot carry out manual build up welding operation at all in taking over, secondly, take over internal diameter and only have 800mm left and right, and connecting pipe length reaches 1000mm, operating space is quite narrow and small, passes in and out also very inconvenient, in weld deposit process, the integrated shell ring assembly solderless wrapped connection tube hub axis of reactor pressure vessel is rotated, and realize welder and carry out welding operation in taking over, and needs a static operating platform.
Europe advanced pressurized water reactor technology, reactor pressure vessel are manufactured for the first time at home, reactor pressure vessel structure in second generation nuclear power projects before this and European advanced pressurized water reactor technological project difference are larger, the integrated shell ring assembly stage of the reactor pressure vessel of the second generation, do not need to carry out the manual build up welding of nozzle inner wall, therefore there is not the difficult point of nozzle inner wall manual build up welding operation recited above.And similarly take in class inwall manual build up welding process at other products, because connecting pipe length is shorter, being undertaken after thermal insulation protection by lay heat-preservation cotton in position, welder reaches hand in adapter, to carry out welding operation taking over outside.This type of technology only can realize the nozzle inner wall manual build up welding that length is less, for the larger adapter of length, due to the limited length of welder's arm, cannot meet welding requirements.
Summary of the invention
For addressing the above problem, the invention provides a kind of servicing unit that can auxiliary welding workman carries out weld seam welding between adapter that length is larger.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of Manual welding auxiliary device for inner wall of long connecting pipe, comprises support, is installed with to stretch into take over inner sleeve on support, is provided with the slide plate that can slide in sleeve in sleeve, is also provided with welding window on sleeve.
Be further used as the improvement of technical solution of the present invention, sleeve is fixed on a side of support, and sleeve is cylindric cylinder, and the external diameter of sleeve is less than the internal diameter of the adapter of required welding, is provided with slide rail in sleeve, and slide plate is provided with the pulley that can slide along slide rail.
Be further used as the improvement of technical solution of the present invention, on support, be provided with balancing weight in a side relative with sleeve, the bottom of support is provided with front-wheel in sleeve place one side, and the bottom of support is provided with trailing wheel in balancing weight place one side.
Be further used as the improvement of technical solution of the present invention, the both sides of slide plate are provided with one end can be fixed on the braking bolt in slide rail.
Be further used as the improvement of technical solution of the present invention, be provided with the front wheel carrier for front-wheel is installed, front wheel carrier is hinged to be installed on support, is installed with front-wheel and regulates double-screw bolt on front wheel carrier, and front-wheel regulates opposite side and the support thread connection of double-screw bolt.
Be further used as the improvement of technical solution of the present invention, be provided with the rear wheel frame for trailing wheel is installed, hinged being installed on support of one side of rear wheel frame, between the opposite side of rear wheel frame and support, be provided with respectively and rear wheel frame and the hinged hinge bar of support, on hinge bar, be installed with trailing wheel and regulate double-screw bolt, trailing wheel regulates opposite side and the support thread connection of double-screw bolt.
Be further used as the improvement of technical solution of the present invention, on support, be provided with pushing hands in a side relative with sleeve.
Be further used as the improvement of technical solution of the present invention, in the inwall of sleeve, be provided with high temperature insulating layer.
Be further used as the improvement of technical solution of the present invention, the inherent welding window of sleeve place is provided with some heat insulation cover plates.
Beneficial effect of the present invention: this manual welding servicing unit for inner wall of long connecting stretches into sleeve by support the adapter seam place of the required welding of nozzle inner wall, and allow welder lie low on slide plate, slide in sleeve by slide plate welder is delivered to and stitches relative welding window place with required adapter of welding and carry out weld seam welding, the sleeve of this device can tape welding take in freely-movable, and can effectively protect human body, thereby can auxiliary welding workman carry out the butt weld welding of inner wall of long connecting, effectively improve the working environment of inner wall of long connecting butt weld welding.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention;
Fig. 2 is the mounting structure schematic diagram of embodiment of the present invention middle slide plate and slide rail contact position pulley;
Fig. 3 is the mounting structure schematic diagram of embodiment of the present invention middle slide plate and slide rail contact position braking bolt;
Fig. 4 is the mounting structure schematic diagram of front-wheel in the embodiment of the present invention;
Fig. 5 is the mounting structure schematic diagram of trailing wheel in the embodiment of the present invention.
The specific embodiment
With reference to Fig. 1～Fig. 5, the present invention is a kind of Manual welding auxiliary device for inner wall of long connecting pipe, comprises support 1, is installed with to stretch into take over inner sleeve 2 on support 1, is provided with and can, at the slide plate 3 of sleeve 2 interior slips, be also provided with welding window 4 on sleeve 2 in sleeve 2.
This manual welding servicing unit for inner wall of long connecting stretches into sleeve 2 by support 1 the adapter seam place of the required welding of nozzle inner wall; and allow welder lie low on slide plate 3; welder is delivered to and stitches relative welding window 4 places with required adapter of welding and carry out weld seam welding in the interior slip of sleeve 2 by slide plate 3; the sleeve 2 of this device can tape welding take in freely-movable; and can effectively protect human body; thereby can auxiliary welding workman carry out the butt weld welding of inner wall of long connecting, effectively improve the working environment of inner wall of long connecting butt weld welding.
As the preferred embodiment of the present invention, sleeve 2 is fixed on a side of support 1, and sleeve 2 is cylindric cylinder, and the external diameter of sleeve 2 is less than the internal diameter of the adapter of required welding, is provided with slide rail 21 in sleeve 2, and slide plate 3 is provided with the pulley 31 that can slide along slide rail 21.
This servicing unit promotes by support 1, sleeve 2 is stretched into the adapter inside of welding required, and sleeve 2 is set to cylindric cylinder, and external diameter is less than the internal diameter of the adapter of required welding, frees in and out in adapter to be welded thereby be convenient to sleeve 2.
As the preferred embodiment of the present invention, on support 1, be provided with balancing weight 5 in a side relative with sleeve 2, the bottom of support 1 is provided with front-wheel 6 in sleeve 2 place one sides, and the bottom of support 1 is provided with trailing wheel 7 in balancing weight 5 place one sides.
As the preferred embodiment of the present invention, the both sides of slide plate 3 are provided with one end can be fixed on the braking bolt 32 in slide rail 21.
After sleeve 2 is pushed in adapter to be welded, by sliding skateboard 3, welding operator is delivered to commissure to be welded, now can pass through rotation brake bolt 32, adjust the extension elongation of braking bolt 32, by slide plate 3 jack-up from the slide rail 21 of grooved, thereby pulley 31 departs from slide rail 21, cannot slide, play locking position effect.
As the preferred embodiment of the present invention, be provided with the front wheel carrier 61 for front-wheel 6 is installed, front wheel carrier 61 is hinged to be installed on support 1, is installed with front-wheel and regulates double-screw bolt 62 on front wheel carrier 61, and front-wheel regulates opposite side and support 1 thread connection of double-screw bolt 62.
As the preferred embodiment of the present invention, be provided with the rear wheel frame 71 for trailing wheel 7 is installed, hinged being installed on support 1 of one side of rear wheel frame 71, between the opposite side of rear wheel frame 71 and support 1, be provided with respectively and rear wheel frame 71 and the hinged hinge bar 72 of support 1, on hinge bar 72, be installed with trailing wheel and regulate double-screw bolt 73, trailing wheel regulates opposite side and support 1 thread connection of double-screw bolt 73.
Front-wheel 6 is connected with the support 1 of main body by a kind of 3 hinge arrangements, and trailing wheel 7 is connected with the support 2 of main body by a kind of 4 hinge arrangements.
The mounting means of front-wheel 6 and trailing wheel 7 can be convenient to the adjusting of support 1 whole height, the front-wheel being used for installing by adjusting on the front wheel carrier 61 of front-wheel 6 regulates double-screw bolt 62, can carry out jacking or contraction to front wheel carrier 61, thereby regulate the distance between front-wheel 6 and support 1, it is the standing height of adjusting pole 1, equally, the trailing wheel being used for installing by adjusting on the rear wheel frame 71 of trailing wheel 7 regulates double-screw bolt 73, can carry out jacking or contraction to rear wheel frame 71, thereby regulate the distance between trailing wheel 7 and support 1, and adjusting pole 1 is at the standing height of trailing wheel 7 place sides.
As the preferred embodiment of the present invention, on support 1, be provided with pushing hands 8 in a side relative with sleeve 2.
Hand steered pushing hands 8, by being installed on the slip of support 1 bottom front-wheel 6 and trailing wheel 7, can conveniently promote servicing unit entirety.
As the preferred embodiment of the present invention, in the inwall of sleeve 2, be provided with high temperature insulating layer.
The inwall of sleeve 2 adopts the interlayer setting of multilayer; and high temperature insulating layer is housed in interlayer; because the required pipe seam welding all needs to heat before being in welding; cause taking over internal temperature too high; by sandwiched high temperature insulating layer; the temperature that can effectively reduce in sleeve 2 is subject to the impact of tube wall high temperature, thereby protects welding operator's construction operation, for welder's operation provides a comfortable working environment.
As the preferred embodiment of the present invention, the inherent welding window of sleeve 24 places are provided with some heat insulation cover plates 9.
Can seal with the heat insulation cover plate 9 of polylith at diverse location as required at welding window 4 places, and then according to the position that need to adjust welding window 4 and the window size of butt weld place welding.
In the time using this servicing unit, first sleeve heat insulation in this device 2 and support 1 are assembled, adjust the front-wheel 6 of support 1 and the height of trailing wheel 7 of main body, guarantee that sleeve 2 and adapter are contour coaxial, and according to welding position, the heat insulation cover plate 9 of sleeve 2 barrels is adjusted to suitable position, then this device is advanced in adapter, welder lies on slide plate 3 and slides in adapter, tighten in position braking bolt 32, the position of locking slide plate 3, prepares to weld.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and the modification that these are equal to or replacement are all included in the application's claim limited range.
Claims (9)
1. a Manual welding auxiliary device for inner wall of long connecting pipe, it is characterized in that: comprise support (1), on described support (1), be installed with to stretch into and take over inner sleeve (2), in described sleeve (2), be provided with the slide plate (3) that can slide in sleeve (2), on described sleeve (2), be also provided with welding window (4).
2. Manual welding auxiliary device for inner wall of long connecting pipe according to claim 1, it is characterized in that: described sleeve (2) is fixed on a side of support (1), described sleeve (2) is cylindric cylinder, the external diameter of described sleeve (2) is less than the internal diameter of the adapter of required welding, in described sleeve (2), be provided with slide rail (21), described slide plate (3) is provided with the pulley (31) that can slide along slide rail (21).
3. Manual welding auxiliary device for inner wall of long connecting pipe according to claim 1 and 2, it is characterized in that: described support (1) is upper is provided with balancing weight (5) in a side relative with sleeve (2), the bottom of described support (1) is provided with front-wheel (6) in sleeve (2) place one side, and the bottom of described support (1) is provided with trailing wheel (7) in balancing weight (5) place one side.
4. Manual welding auxiliary device for inner wall of long connecting pipe according to claim 2, is characterized in that: the both sides of described slide plate (3) are provided with one end can be fixed on the braking bolt (32) in slide rail (21).
5. Manual welding auxiliary device for inner wall of long connecting pipe according to claim 3, it is characterized in that: be provided with the front wheel carrier (61) for described front-wheel (6) are installed, described front wheel carrier (61) is hinged to be installed on support (1), on described front wheel carrier (61), be installed with front-wheel and regulate double-screw bolt (62), described front-wheel regulates opposite side and support (1) thread connection of double-screw bolt (62).
6. Manual welding auxiliary device for inner wall of long connecting pipe according to claim 3, it is characterized in that: be provided with the rear wheel frame (71) for described trailing wheel (7) are installed, hinged being installed on support (1) of one side of described rear wheel frame (71), between the opposite side of described rear wheel frame (71) and support (1), be provided with respectively and rear wheel frame (71) and the hinged hinge bar (72) of support (1), on described hinge bar (72), be installed with trailing wheel and regulate double-screw bolt (73), described trailing wheel regulates opposite side and support (1) thread connection of double-screw bolt (73).
7. Manual welding auxiliary device for inner wall of long connecting pipe according to claim 1 and 2, is characterized in that: described support (1) is upper is provided with pushing hands (8) in a side relative with sleeve (2).
8. Manual welding auxiliary device for inner wall of long connecting pipe according to claim 1, is characterized in that: in the inwall of described sleeve (2), be provided with high temperature insulating layer.
9. Manual welding auxiliary device for inner wall of long connecting pipe according to claim 1, is characterized in that: the inherent welding window of described sleeve (2) (4) locates to be provided with some heat insulation cover plates (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110316599.6A CN102371448B (en) | 2011-10-18 | 2011-10-18 | Manual welding auxiliary device for inner wall of long connecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110316599.6A CN102371448B (en) | 2011-10-18 | 2011-10-18 | Manual welding auxiliary device for inner wall of long connecting pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102371448A CN102371448A (en) | 2012-03-14 |
| CN102371448B true CN102371448B (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110316599.6A Active CN102371448B (en) | 2011-10-18 | 2011-10-18 | Manual welding auxiliary device for inner wall of long connecting pipe |
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| CN (1) | CN102371448B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679136A (en) * | 2012-05-08 | 2012-09-19 | 安徽三山机械制造有限公司 | Metal connecting pipe |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS524399B2 (en) * | 1972-08-10 | 1977-02-03 | ||
| SU724370A1 (en) * | 1978-06-15 | 1980-03-30 | Специальное Конструкторское Бюро Треста Ленинградоргстрой Главленинградстроя | Vehicle for carrying and unloading long articles |
| CN201120538Y (en) * | 2007-08-15 | 2008-09-24 | 南阳二机石油装备(集团)有限公司 | Welding roll frame |
| CN201471100U (en) * | 2009-08-24 | 2010-05-19 | 武汉船用机械有限责任公司 | Self-conductance controllable tubular straight-line joint welding device |
| CN201744799U (en) * | 2010-06-11 | 2011-02-16 | 天津重钢机械装备股份有限公司 | Telescopic adjustable and mobile welding platform |
| CN202291901U (en) * | 2011-10-18 | 2012-07-04 | 东方电气(广州)重型机器有限公司 | Manual welding auxiliary device for inner wall of long connecting pipe |
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| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Junchang Inventor after: Zhou Zhenhu Inventor after: Zou Jie Inventor before: Chen Junchang Inventor before: He Weimin Inventor before: Zhou Zhenhu |
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Free format text: CORRECT: INVENTOR; FROM: CHEN JUNCHANG HE WEIMIN ZHOU ZHENHU TO: CHEN JUNCHANG ZHOU ZHENHU ZOU JIE |
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