CN202291901U - 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
- Publication number
- CN202291901U CN202291901U CN2011203969502U CN201120396950U CN202291901U CN 202291901 U CN202291901 U CN 202291901U CN 2011203969502 U CN2011203969502 U CN 2011203969502U CN 201120396950 U CN201120396950 U CN 201120396950U CN 202291901 U CN202291901 U CN 202291901U
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- sleeve
- support
- welding
- wheel
- servicing unit
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Abstract
The utility model discloses a manual welding auxiliary device for the inner wall of a long connecting pipe, which includes a bracket, wherein a sleeve capable of extending into the connecting pipe is fixedly mounted on a bracket; a sliding plate capable of sliding in the sleeve is arranged in the sleeve; and a welding window is arranged on the sleeve. By utilizing the manual welding auxiliary device for the inner wall of the long connecting pipe, the sleeve extends into the connecting pipe seam required to be welded on the inner wall of the connecting pipe through the bracket, the welding worker lies on the sliding plate and is sent to the welding window corresponding to the connecting pipe seam required to be welded through the sliding of the sliding plate in the sleeve, as the sleeve of the device can move freely in the connecting pipe to be welded and effectively protect the human body, the device can aid the welding worker to conduct butt-welded seam welding of the inner wall of the long connecting pipe, so as to effectively improve the working environment of the inner wall of the long connecting pipe for the butt-welded seam welding. The manual welding auxiliary device for the inner wall of the long connecting pipe is applied to the field of auxiliary operating devices.
Description
Technical field
The utility model relates to a kind of welding auxiliary operation mechanism, particularly relates to a kind of manual welding servicing unit that is used for the long pipe inwall.
Background technology
Reactor pressure vessel is a 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 then is the most key in a reactor pressure vessel parts; Its inwall comprises the inwall of eight adapters, need carry out the stainless steel built-up welding, and the quality requirement of this stainless steel weld overlays is very high; And the stainless steel weld overlays of nozzle inner wall has the subregion need 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 heat outside taking over, and heating-up temperature is up to 250 ℃, and operating ambient temperature is very high; If do not carry out suitable thermal insulation protection, the welder can't carry out the manual build up welding operation at all in taking over; Secondly, take over internal diameter and have only about 800mm, and connecting pipe length reaches 1000mm, the operating space is quite narrow and small, and turnover is also very inconvenient; In the weld deposit process, the integrated shell ring assembly solderless wrapped connection tube hub axis of reactor pressure vessel is rotated, and realize that the welder carries out welding operation in taking over, and then needs the operating platform of a static state.
Europe advanced pressurized water reactor technology, reactor pressure vessel are made for the first time at home; Reactor pressure vessel structure in the second generation nuclear power projects before this and European advanced pressurized water reactor technological project difference are bigger; The integrated shell ring assembly stage of the reactor pressure vessel of the second generation; Need not carry out the manual build up welding of nozzle inner wall, so there is not the difficult point of nozzle inner wall manual build up welding operation recited above.And at other products similarly in type of the adapter inwall manual build up welding process, because connecting pipe length is shorter, after the lay heat-preservation cotton was carried out thermal insulation protection in position, the welder reached hand and carries out welding operation in the adapter and get final product taking over the outside.This type of technology only can realize the nozzle inner wall manual build up welding that length is less, for the bigger adapter of length, because the limited length of welder's arm then can't satisfy welding requirements.
The utility model content
For addressing the above problem, the utility model provides a kind of welder of assisting to carry out the servicing unit of weld seam welding between the bigger adapter of length.
The utility model solves the technical scheme that its technical problem adopted:
A kind of long pipe inwall manual welding servicing unit comprises support, is installed with on the support and can stretches into the adapter sleeve inside, is provided with the slide plate that can in sleeve, slide in the sleeve, also is provided with welding window on the sleeve.
Further as the improvement of the utility model technical scheme, sleeve is fixed in a side of support, and sleeve is cylindric tube, and the external diameter of sleeve is provided with slide rail less than the internal diameter of the adapter of required welding in the sleeve, and slide plate is provided with can be along the pulley of slide rail slip.
Further as the improvement of the utility model technical scheme, be provided with balancing weight in a side relative with sleeve on the support, the bottom of support belongs to a side at sleeve and is provided with front-wheel, and the bottom of support belongs to a side at balancing weight and is provided with trailing wheel.
Further as the improvement of the utility model technical scheme, the both sides of slide plate are provided with an end can be fixed in the braking bolt in the slide rail.
Further as the improvement of the utility model technical scheme, be provided with the front wheel carrier that is used to install front-wheel, front wheel carrier is hinged to be installed on the support, is installed with front-wheel on the front wheel carrier and regulates double-screw bolt, and front-wheel is regulated the opposite side and the support thread connection of double-screw bolt.
Further as the improvement of the utility model technical scheme; Be provided with the rear wheel frame that is used to install trailing wheel; One side of rear wheel frame is hinged to be installed on the support; Be provided with between the opposite side of rear wheel frame and support respectively and rear wheel frame and the hinged hinge bar of support, be installed with trailing wheel on the hinge bar and regulate double-screw bolt, trailing wheel is regulated the opposite side and the support thread connection of double-screw bolt.
Further, be provided with pushing hands in a side relative on the support with sleeve as the improvement of the utility model technical scheme.
Further, be provided with the high temperature insulating layer in the inwall of sleeve as the improvement of the utility model technical scheme.
Further as the improvement of the utility model technical scheme, the inherent welding window of sleeve place is provided with some heat insulation cover plates.
The beneficial effect of the utility model: this manual welding servicing unit that is used for the long pipe inwall stretches into sleeve through support the adapter seam place of the required welding of nozzle inner wall; And let the welder lie low on slide plate; Slide in sleeve through slide plate and the welder to be delivered to the relative welding window place of adapter seam of welding with required carry out the weld seam welding; The sleeve of this device can freely-movable in tape welding is taken over; And can effectively protect human body, thereby can assist the welder to carry out the butt weld welding of long pipe inwall, effectively improve the working environment of long pipe inwall butt weld welding.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is the overall structure sketch map of the utility model embodiment;
Fig. 2 is the mounting structure sketch map of the utility model embodiment middle slide plate and slide rail contact position pulley;
Fig. 3 is the mounting structure sketch map of the utility model embodiment middle slide plate and slide rail contact position braking bolt;
Fig. 4 is the mounting structure sketch map of front-wheel among the utility model embodiment;
Fig. 5 is the mounting structure sketch map of trailing wheel among the utility model embodiment.
The specific embodiment
With reference to Fig. 1～Fig. 5; The utility model is a kind of long pipe inwall manual welding servicing unit, comprises support 1, is installed with on the support 1 to stretch into to take over sleeve inside 2; Be provided with the slide plate 3 that can in sleeve 2, slide in the sleeve 2, also be provided with welding window 4 on the sleeve 2.
This manual welding servicing unit that is used for the long pipe inwall stretches into sleeve 2 through support 1 the adapter seam place of the required welding of nozzle inner wall; And let the welder lie low on slide plate 3; Slide in sleeve 2 through slide plate 3 and the welder to be delivered to relative welding window 4 places of adapter seam of welding with required carry out the weld seam welding; The sleeve 2 of this device can freely-movable in tape welding is taken over; And can effectively protect human body, thereby can assist the welder to carry out the butt weld welding of long pipe inwall, effectively improve the working environment of long pipe inwall butt weld welding.
As the utility model preferred embodiment, sleeve 2 is fixed in a side of support 1, and sleeve 2 is cylindric tube, and the external diameter of sleeve 2 is provided with slide rail 21 less than the internal diameter of the adapter of required welding in the sleeve 2, and slide plate 3 is provided with can be along the pulley 31 of slide rail 21 slips.
This servicing unit promotes through support 1, and sleeve 2 is stretched into the adapter inside of welding required, and sleeve 2 is set to cylindric tube, and external diameter frees in and out in adapter to be welded thereby be convenient to sleeve 2 less than the internal diameter of the adapter of required welding.
As the utility model preferred embodiment, be provided with balancing weight 5 with sleeve 2 relative sides on the support 1, one side is provided with front-wheel 6 at sleeve 2 places in the bottom of support 1, and one side is provided with trailing wheel 7 at balancing weight 5 places in the bottom of support 1.
As the utility model preferred embodiment, the both sides of slide plate 3 are provided with an end and can be fixed in the braking bolt 32 in the slide rail 21.
After pushing sleeve 2 in the adapter to be welded; Through sliding skateboard 3 welding operator is delivered to commissure to be welded, can pass through rotation brake bolt 32 this moment, the extension elongation of adjustment braking bolt 32; With slide plate 3 jack-up from the slide rail 21 of grooved; Thereby pulley 31 breaks away from slide rail 21, can't slide, and plays the locking position effect.
As the utility model preferred embodiment, be provided with the front wheel carrier 61 that is used to install front-wheel 6, front wheel carrier 61 hinged being installed on the support 1 are installed with front-wheel and regulate double-screw bolt 62 on the front wheel carrier 61, and front-wheel is regulated the opposite side and support 1 thread connection of double-screw bolt 62.
As the utility model preferred embodiment; Be provided with the rear wheel frame 71 that is used to install trailing wheel 7; One side of rear wheel frame 71 is hinged to be installed on the support 1; 1 on the opposite side of rear wheel frame 71 and support are provided with respectively the hinge bar 72 hinged with rear wheel frame 71 and support 1, are installed with trailing wheel on the hinge bar 72 and regulate double-screw bolt 73, and trailing wheel is regulated the opposite side and support 1 thread connection of double-screw bolt 73.
Front-wheel 6 is connected with the support 1 of main body through a kind of 3 hinge arrangements, and trailing wheel 7 is connected with the support 2 of main body through 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 that is used to install through adjusting on the front wheel carrier 61 of front-wheel 6 is regulated double-screw bolt 62, and can carry out jacking or shrink front wheel carrier 61, thus the distance of regulating 1 on front-wheel 6 and support; Promptly adjust the height that leaves standstill of support 1; Equally, the trailing wheel that is used to install through adjusting on the rear wheel frame 71 of trailing wheel 7 is regulated double-screw bolt 73, can carry out jacking or shrinks rear wheel frame 71; Thereby regulate the distance of 1 on trailing wheel 7 and support, and adjustment support 1 is at the height that leaves standstill of trailing wheel 7 place sides.
As the utility model preferred embodiment, be provided with pushing hands 8 with sleeve 2 relative sides on the support 1.
Hand steered pushing hands 8 through being installed on the slip of support 1 bottom front-wheel 6 and trailing wheel 7, can conveniently promote servicing unit integral body.
As the utility model preferred embodiment, be provided with the high temperature insulating layer in the inwall of sleeve 2.
The inwall of sleeve 2 adopts the interlayer setting of multilayer; And the high temperature insulating layer is housed in interlayer, because the required pipe seam that welds all need heat before being in welding, it is too high to cause taking over internal temperature; Establish the high temperature insulating layer through folder; The temperature that can effectively reduce in the sleeve 2 receives the influence of tube wall high temperature, thereby protects welding operator's construction operation, for welder's operation provides a comfortable working environment.
As the utility model preferred embodiment, sleeve 2 inherent welding windows 4 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 adjust the position and the window size of welding window 4 according to the needs of butt weld place welding.
When using this servicing unit, earlier sleeve heat insulation in this device 2 and support 1 are assembled, adjust front-wheel 6 and the height of trailing wheel 7 of the support 1 of main body; Guarantee that sleeve 2 and height such as adapter grade are coaxial, and the heat insulation cover plate 9 of sleeve 2 barrels is adjusted to suitable position, then this device is advanced in the adapter according to the welding position; The welder lies on the slide plate 3 and slides in the adapter; Tighten braking bolt 32 in position, the position of locking slide plate 3 prepares to weld.
Certainly; The utility model is created and is not limited to above-mentioned embodiment; Those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite of the utility model spirit, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (9)
1. long pipe inwall manual welding servicing unit; It is characterized in that: comprise support (1); Be installed with on the said support (1) to stretch into and take over sleeve inside (2), be provided with the slide plate (3) that can in sleeve (2), slide in the said sleeve (2), also be provided with welding window (4) on the said sleeve (2).
2. long pipe inwall manual welding servicing unit according to claim 1; It is characterized in that: said sleeve (2) is fixed in a side of support (1); Said sleeve (2) is cylindric tube; The external diameter of said sleeve (2) is provided with slide rail (21) less than the internal diameter of the adapter of required welding in the said sleeve (2), said slide plate (3) is provided with can be along the pulley (31) of slide rail (21) slip.
3. long pipe inwall manual welding servicing unit according to claim 1 and 2; It is characterized in that: said support (1) is gone up and is provided with balancing weight (5) in a side relative with sleeve (2); One side is provided with front-wheel (6) at sleeve (2) place in the bottom of said support (1), and one side is provided with trailing wheel (7) at balancing weight (5) place in the bottom of said support (1).
4. long pipe inwall manual welding servicing unit according to claim 2 is characterized in that: the both sides of said slide plate (3) are provided with an end can be fixed in the braking bolt (32) in the slide rail (21).
5. long pipe inwall manual welding servicing unit according to claim 3; It is characterized in that: be provided with the front wheel carrier (61) that is used to install said front-wheel (6); Said front wheel carrier (61) is hinged to be installed on the support (1); Be installed with front-wheel on the said front wheel carrier (61) and regulate double-screw bolt (62), said front-wheel is regulated the opposite side and support (1) thread connection of double-screw bolt (62).
6. long pipe inwall manual welding servicing unit according to claim 3; It is characterized in that: be provided with the rear wheel frame (71) that is used to install said trailing wheel (7); One side of said rear wheel frame (71) is hinged to be installed on the support (1); Be provided with between the opposite side of said rear wheel frame (71) and support (1) respectively and rear wheel frame (71) and the hinged hinge bar (72) of support (1); Be installed with trailing wheel on the said hinge bar (72) and regulate double-screw bolt (73), said trailing wheel is regulated the opposite side and support (1) thread connection of double-screw bolt (73).
7. long pipe inwall manual welding servicing unit according to claim 1 and 2 is characterized in that: said support (1) is gone up and is provided with pushing hands (8) in a side relative with sleeve (2).
8. long pipe inwall manual welding servicing unit according to claim 1 is characterized in that: be provided with the high temperature insulating layer in the inwall of said sleeve (2).
9. long pipe inwall manual welding servicing unit according to claim 1, it is characterized in that: the inherent welding window of said sleeve (2) (4) locates to be provided with some heat insulation cover plates (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203969502U CN202291901U (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 |
|---|---|---|---|
| CN2011203969502U CN202291901U (en) | 2011-10-18 | 2011-10-18 | Manual welding auxiliary device for inner wall of long connecting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202291901U true CN202291901U (en) | 2012-07-04 |
Family
ID=46360878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203969502U Withdrawn - After Issue CN202291901U (en) | 2011-10-18 | 2011-10-18 | Manual welding auxiliary device for inner wall of long connecting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202291901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371448A (en) * | 2011-10-18 | 2012-03-14 | 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 |
-
2011
- 2011-10-18 CN CN2011203969502U patent/CN202291901U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371448A (en) * | 2011-10-18 | 2012-03-14 | 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120704 Effective date of abandoning: 20140702 |
|
| RGAV | Abandon patent right to avoid regrant |