CN104014952B - A kind of mechanically joined nozzle inner wall overlaying welding auxiliary device and use this device to carry out the method for nozzle inner wall built-up welding - Google Patents
A kind of mechanically joined nozzle inner wall overlaying welding auxiliary device and use this device to carry out the method for nozzle inner wall built-up welding Download PDFInfo
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- CN104014952B CN104014952B CN201410223148.1A CN201410223148A CN104014952B CN 104014952 B CN104014952 B CN 104014952B CN 201410223148 A CN201410223148 A CN 201410223148A CN 104014952 B CN104014952 B CN 104014952B
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- tie
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
- B23K9/044—Built-up welding on three-dimensional surfaces
- B23K9/046—Built-up welding on three-dimensional surfaces on surfaces of revolution
- B23K9/048—Built-up welding on three-dimensional surfaces on surfaces of revolution on cylindrical surfaces
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a kind of mechanically joined nozzle inner wall overlaying welding auxiliary device and use this device to carry out the method for nozzle inner wall built-up welding. Described servicing unit, comprise cylindrical shell (1) and multiple jockey, one end opening part of described cylindrical shell (1) is provided with takes over end gauge (6), and the outer wall of described cylindrical shell (1) is provided with the multiple cylindrical shells that match with described multiple jockeys and is connected fulcrum (9); Described jockey comprises that described cylindrical shell connects arm-tie (2), takes over connection arm-tie (3) and connects described cylindrical shell connection arm-tie (2) is connected arm-tie (3) connecting rod with described adapter, and described cylindrical shell connection arm-tie (2) is connected fulcrum (9) and is flexibly connected with described cylindrical shell. The present invention has and reduces production costs, and has improved production efficiency and has improved the features such as operating environment.
Description
Technical field
The present invention relates to overlaying welding auxiliary device, be specially the auxiliary dress of a kind of mechanically joined nozzle inner wall built-up weldingPut and use this device to carry out the method for nozzle inner wall built-up welding.
Background technology
At present, import and export and take over for the stepped pressure vessel of outer wall, carrying out nozzle inner wall built-up welding notWhen rust steel, need on carrying roller, carry out, now must just can make adapter be positioned on carrying roller by cylindrical shell. FormerSome methods are to be welded to connect gusset taking between cylindrical shell, and each built-up welding is complete, and connecting gusset will be by gasSlice off, not reproducible use, exists wasting phenomenon; Welding and gas cutting dowel plate required time are longer,Affect production efficiency; And nozzle inner wall built-up welding carries out under heated condition, operating environment temperature is high.
Summary of the invention
According to above-mentioned proposition in the time taking over built-up welding stainless steel, need to take over cylindrical shell between be welded to connectGusset, each built-up welding is complete, and connecting gusset will be fallen by gas cutting, and not reproducible use has increased welding gentleCut and connect the operation of gusset, affected production efficiency, and built-up welding at high temperature carries out, operating environmentThe technical problem that temperature is high, and a kind of mechanically joined nozzle inner wall overlaying welding auxiliary device is provided. The present inventionMainly utilize jockey that adapter and cylindrical shell are linked together, and be provided with thermal insulation board in inner barrel, fromAnd play reuse, Fast Installation and can improve the effect of operating environment.
The technological means that the present invention adopts is as follows:
A mechanically joined nozzle inner wall overlaying welding auxiliary device, the outer wall of described adapter is stepped, bagDraw together cylindrical shell and multiple jockey, described cylindrical shell is hollow tubular structure, it is characterized in that: described cylindrical shellOne end opening part is provided with adapter end gauge, the inwall of described adapter end gauge and described cylindrical shellBe fixedly connected with, in order to prevent that described adapter from assembling, play axially and radially occurring afterwards, outside described cylindrical shellWall is provided with the multiple cylindrical shells that match with described multiple jockeys and is connected fulcrum;
Described jockey comprises that cylindrical shell connects arm-tie, takes over to connect arm-tie and connect described cylindrical shell connection and drawPlate is connected the connecting rod of arm-tie with described adapter, described cylindrical shell connects arm-tie and is connected fulcrum activity with described cylindrical shellConnect, described adapter connection arm-tie connects fulcrum by adapter and is connected in described adapter, and described adapter connectsArm-tie is connected fulcrum and is flexibly connected with described adapter;
The maximum outside diameter consistent size of the outside dimension of described cylindrical shell and described adapter. Because adapter and cylindrical shell are allBe placed on carrying roller, four support wheel height of carrying roller are identical, and therefore cylindrical shell is consistent with adapter outside dimensionCan ensure carrying roller rotation time, overall structure is steadily reliable.
Further, described adapter end gauge comprises that pipe and polylith are along the plate of the circumference uniform distribution of described pipe,Described pipe is fixedly connected with the inwall of described cylindrical shell by described plate, and described plate is provided with the path of described adapterThe breach that end inserts, adopts this structure can retrain the radial and axial free degree of the end of described adapter,Thereby the positioning action of playing, makes to connect more reliable.
Further, described adapter end gauge is provided with thermal insulation board away from one end of described cartridge openings,Described thermal insulation board is fixedly connected with perpendicular to the axis of described cylindrical shell and with the inwall of described cylindrical shell, described thermal insulation boardTemperature while effectively reducing built-up welding operation, has improved built-up welding operator's working environment.
Further, described adapter connection fulcrum is provided with the through hole of overhead traveling crane lifting use.
Further, described connecting rod is bidirectional helical connecting rod, and the two ends of described bidirectional helical connecting rod are dividedBe not provided with isometric external screw thread, the described externally threaded hand of helix at two ends is contrary, and described cylindrical shell connection is drawnPlate is provided with the screwed hole I matching with described bidirectional helical connecting rod one end external screw thread; Described adapter connectsArm-tie is provided with the screwed hole II matching with described bidirectional helical connecting rod other end external screw thread; When assembling,Described bidirectional helical connecting rod two ends are screwed into respectively to described screwed hole I and screwed hole II, and the pretension of exerting pressurePower, until firm and reliable connection.
Further, the external screw thread tooth form at described bidirectional helical connecting rod two ends, the screw thread of described screwed hole IThe form of thread of tooth form and described screwed hole II is trapezoidal.
Further, described cylindrical shell connects arm-tie and comprises that two cylindrical shells connect arm-tie connecting plate, improves described cylinderThe cylindrical shell that body connects the intensity of arm-tie connecting plate connects arm-tie stiffening plate and square nut I, two described cylindrical shellsConnect arm-tie connecting plate and be fixedly connected with by described square nut I, the screwed hole of described square nut I is described spiral shellPit I, described screwed hole I is right-handed thread hole; Described adapter connects arm-tie and comprises that taking over connection for two drawsPlate connecting plate, the adapter that improves the intensity of described adapter connection arm-tie connecting plate connects arm-tie stiffening plate and square spiral shellFemale II, takes over connection arm-tie connecting plate for described two and is fixedly connected with by described square nut II, described side's spiral shellThe screwed hole of female II is described screwed hole II, and described screwed hole II is left handed threaded hole.
Further, in the time that the bigger diameter end of described adapter is shape of a saddle end face, described shape of a saddle end face comprises heightPoint and low spot, described bidirectional helical connecting rod comprises long two-way trapezoidal thread connecting rod and short two-way trapezoidal threadConnecting rod, described adapter connects fulcrum and lays respectively at the top of the high point of described shape of a saddle end face and the top of low spot,Described short two-way trapezoidal thread connecting rod by described adapter connect arm-tie with described in be positioned at the height of shape of a saddle end faceThe adapter of some top connects fulcrum and connects, and the two-way trapezoidal thread connecting rod of described length is connected and drawn by described adapterPlate with described in be positioned at the low spot top of shape of a saddle end face adapter is connected fulcrum connection.
The present invention also provides a kind of and has used in mechanically joined nozzle inner wall overlaying welding auxiliary device takes overThe method of wall built-up welding, is characterized in that having following steps:
1. in described adapter, weld to take over according to the position of described cylindrical shell connection fulcrum and connect fulcrum;
2. described adapter is placed to described adapter and described ground perpendicular to ground in miner diameter end mode upwardsBetween be provided with spacer pad; By downward one end of described being provided with of described cylindrical shell adapter end gauge, willDescribed adapter end gauge is connected with described adapter; Rotary barrel, makes described cylindrical shell connect fulcrum and instituteState to take over and connect fulcrum alignment;
3. described cylindrical shell being connected to arm-tie is connected on described cylindrical shell connection fulcrum; Described adapter is connected to arm-tieBeing connected to described adapter connects on fulcrum;
4. by described connecting rod, described cylindrical shell connection arm-tie being connected to arm-tie with described adapter links together;
5. utilize overhead traveling crane that the integral lifting of described servicing unit and described adapter is carried out to inwall pair to carrying rollerWeldering.
The invention has the beneficial effects as follows: nozzle inner wall build-up welding apparatus by two-way trapezoidal thread connecting rod can with connectPipe is realized reliable connection, completes the stainless steel built-up welding of nozzle inner wall, can for this device of adapter of same sizeWith Reusability, reduce production cost, become easy to be quick with the assembling of taking over simultaneously, improve productionEfficiency; When built-up welding, thermal insulation board can effectively stop the heat that weld heating produces, and improves operating environment. Based on upperStating reason the present invention can extensively promote in fields such as nozzle inner wall built-up welding.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is top view of the present invention.
Fig. 2 is side view of the present invention.
Fig. 3 is the front view that cylindrical shell of the present invention connects arm-tie.
Fig. 4 is the side view that cylindrical shell of the present invention connects arm-tie.
Fig. 5 is the front view that adapter of the present invention connects arm-tie.
Fig. 6 is the side view that adapter of the present invention connects arm-tie.
Fig. 7 is adapter end gauge front view of the present invention.
Fig. 8 is adapter end gauge cutaway view of the present invention.
Wherein, 1, cylindrical shell 2, cylindrical shell connect arm-tie 3, take over connect arm-tie 4, long two-way trapezoidal thread connectsExtension bar 5, short two-way trapezoidal thread connecting rod 6, adapter end gauge 7, thermal insulation board 8, the company of adapterConnect fulcrum 9, cylindrical shell connection fulcrum 201, cylindrical shell connection arm-tie connecting plate 202, the reinforcement of cylindrical shell connection arm-tiePlate 203, dextrorotation trapezoidal thread square nut 301, adapter connect arm-tie connecting plate 302, take over connection arm-tieStiffening plate 303, left-handed trapezoidal thread square nut 601, plate 602, pipe 603, breach.
Detailed description of the invention
As depicted in figs. 1 and 2, a kind of mechanically joined nozzle inner wall overlaying welding auxiliary device, described adapterOuter wall stepped, the bigger diameter end of described adapter is shape of a saddle end face, described servicing unit comprises hollow tubularThe cylindrical shell 1 of structure and four jockeys, the outside dimension of described cylindrical shell 1 and the maximum outside diameter of described adapterConsistent size, makes the axis of described cylindrical shell 1 and the axis of described adapter on same line one by one, makes wholeBody is placed on carrying roller more stably. Described jockey comprises that cylindrical shell connects arm-tie 2, takes over connection arm-tie3 and connecting rod, one end opening part of described cylindrical shell 1 is provided with takes over end gauge 6. As Fig. 7 and Fig. 8Shown in, described adapter end gauge 6 comprises pipe 602 and is welded on described pipe 602 eight along instituteState the plate 601 of the circumference uniform distribution of pipe 602, described pipe 602 is the inwall weldering with described cylindrical shell by described plate 601Connect, described plate 601 is provided with the breach 603 of the miner diameter end insertion of described adapter, location, described adapter end dressPut 6 and be provided with thermal insulation board 7 away from one end of described cylindrical shell 1 opening, described thermal insulation board 7 is perpendicular to described cylindrical shell 1Axis and be welded on the inwall of described cylindrical shell 1; The location, described adapter end that is provided with of described cylindrical shell 1 fillsPut one end outer wall of 6 and be provided with four cylindrical shells and connect fulcrums 9, described cylindrical shell connects fulcrum 9 around described cylindrical shell1 axis is uniformly distributed; On described cylindrical shell connection fulcrum 9, being connected to described cylindrical shell by screw bolt and nut connectsOn arm-tie 2, described connecting rod is two-way trapezoidal thread connecting rod, two of described two-way trapezoidal thread connecting rodEnd is respectively equipped with isometric external screw thread, and the described externally threaded hand of helix at two ends is contrary, and described cylindrical shell connectsConnect arm-tie 2 and be provided with the right-handed thread hole I matching with described bidirectional helical connecting rod one end external screw thread; InstituteState adapter connection arm-tie 3 and be provided with the left-handed spiral shell matching with described bidirectional helical connecting rod other end external screw threadPit II, described bidirectional helical connecting rod comprise two long two-way trapezoidal thread connecting rods 4 and two short two-wayTrapezoidal thread connecting rod 5, the height point top of described shape of a saddle end face is respectively equipped with to take over to be connected with low spot top and props up8, two described short two-way trapezoidal thread connecting rods 5 of point are connected arm-tie 3 and are welded on by described adapter respectivelyThe described adapter of the described height point top that is positioned at shape of a saddle end face connects fulcrum 8 and connects, and two described length are two-wayTrapezoidal thread connecting rod 4 is positioned at shape of a saddle end face described in being connected arm-tie 3 and be welded on by described adapter respectivelyThe described adapter of low spot top connect fulcrum 8 and connect, described adapter connects fulcrum 8 and is connected with described adapterBetween arm-tie 3, connect by screw bolt and nut. Two two-way trapezoidal thread connecting rods 4 of described length and two institutesState short two-way trapezoidal thread connecting rod 5 and connect arm-tie 2 and corresponding described cylindrical shell by described cylindrical shell respectivelyConnect fulcrum 9 and connect, described cylindrical shell connect arm-tie 2 be connected with described cylindrical shell between fulcrum 9 by bolt withNut connects the through hole that described adapter connects fulcrum 8 and be provided with overhead traveling crane lifting use;
As shown in Figure 3 and Figure 4, described cylindrical shell connects arm-tie 2 and comprises that two cylindrical shells connect arm-tie connecting plate 201,Cylindrical shell connects arm-tie stiffening plate 202 and dextrorotation trapezoidal thread square nut 203, described dextrorotation trapezoidal thread square nut203 screwed hole is described right-handed thread hole I, and described dextrorotation trapezoidal thread square nut 203 will with welding mannerTwo described cylindrical shells connect arm-tie connecting plate 201 and are fixedly connected with, and described cylindrical shell connects arm-tie stiffening plate 202The intensity that described cylindrical shell connects arm-tie connecting plate 201 be can increase, bolt and described cylindrical shell also increased simultaneouslyConnect the contact area of arm-tie 2, effectively reduce the suffered shear stress of bolt, played protection boltEffect;
As shown in Figure 5 and Figure 6, described adapter connects arm-tie 3 and comprises that two are taken over connection arm-tie connecting plate 301,Take over and connect arm-tie stiffening plate 302 and left-handed trapezoidal thread square nut 303, described left-handed trapezoidal thread square nut303 screwed hole is described left handed threaded hole II, and described left-handed trapezoidal thread square nut 303 will with welding mannerTake over connection arm-tie connecting plate 301 for described two and be fixedly connected with, described adapter connects arm-tie stiffening plate 302The intensity that described adapter connects arm-tie connecting plate 301 be can increase, bolt and described adapter also increased simultaneouslyConnect the contact area of arm-tie 3, effectively reduce the suffered shear stress of bolt, played protection boltEffect.
The using method that the invention still further relates to a kind of mechanically joined nozzle inner wall build-up welding apparatus, comprises as followsStep:
1. in described adapter, weld to take over according to the position of described cylindrical shell connection fulcrum 9 and connect fulcrum 8;
2. described adapter is placed perpendicular to ground in miner diameter end mode upwards, at described adapter bottom saddleEnd face is not equipped with spacer pad with contact position, ground, ensures that described adapter maintains static; By described cylindrical shell 1The one end that is provided with described adapter end gauge 6 is downward, and described in the miner diameter end of described adapter is inserted intoIn breach 603; Rotate described cylindrical shell 1, make described cylindrical shell connection fulcrum 9 and described adapter be connected fulcrum 8 rightTogether;
3. described cylindrical shell is connected to arm-tie 2 and be connected to described cylindrical shell connection fulcrum 9 by screw bolt and nut; WillDescribed adapter connects arm-tie 3 and is connected to described adapter connection fulcrum 8 by screw bolt and nut;
4. by described connecting rod, described cylindrical shell connection arm-tie 2 is connected to arm-tie 3 with described adapter and is connected to oneRise;
5. utilize overhead traveling crane that the integral lifting of described servicing unit and described adapter is carried out to inwall pair to carrying rollerWeldering.
The above, be only preferably detailed description of the invention of the present invention, but not office of protection scope of the present inventionBe limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in, according to thisThe technical scheme of invention and inventive concept thereof are equal to replaces or changes, and all should be encompassed in protection of the present inventionWithin scope.
Claims (9)
1. a mechanically joined nozzle inner wall overlaying welding auxiliary device, the outer wall of described adapter is stepped,Comprise cylindrical shell and multiple jockey, it is characterized in that:
One end opening part of described cylindrical shell (1) is provided with takes over end gauge (6), and described adapter end is fixedPosition device (6) be fixedly connected with the inwall of described cylindrical shell (1), the outer wall of described cylindrical shell (1) be provided withMultiple cylindrical shells that described multiple jockeys match connect fulcrum (9);
Described jockey comprises that cylindrical shell connects arm-tie (2), takes over connection arm-tie (3) and connects described cylinderBody connects arm-tie (2) is connected arm-tie (3) connecting rod with described adapter, and described cylindrical shell connects arm-tie (2)Be connected fulcrum (9) with described cylindrical shell and be flexibly connected, described adapter connects arm-tie (3) and is connected and propped up by adapterPoint (8) is connected in described adapter, and described adapter connects arm-tie (3) and is connected fulcrum (8) with described adapterBe flexibly connected;
The outside dimension of described cylindrical shell (1) and the maximum outside diameter consistent size of described adapter.
2. a kind of mechanically joined nozzle inner wall overlaying welding auxiliary device according to claim 1, its spyLevy and be: described adapter end gauge (6) comprises that pipe (602) and polylith are along described pipe (602)The plate (601) of circumference uniform distribution, described pipe (602) is by described plate (601) and described cylindrical shell (1)Wall is fixedly connected with, and described plate (601) is provided with the breach (603) of the miner diameter end insertion of described adapter.
3. a kind of mechanically joined nozzle inner wall overlaying welding auxiliary device according to claim 1, its spyLevy and be: described adapter end gauge (6) is provided with heat insulation away from one end of described cylindrical shell (1) openingPlate (7), described thermal insulation board (7) perpendicular to the axis of described cylindrical shell (1) and with described cylindrical shell (1) inWall is fixedly connected with.
4. a kind of mechanically joined nozzle inner wall overlaying welding auxiliary device according to claim 1, its spyLevy and be: described adapter connection fulcrum (8) is provided with the through hole of overhead traveling crane lifting use.
5. a kind of mechanically joined nozzle inner wall overlaying welding auxiliary device according to claim 1, its spyLevy and be: described connecting rod is bidirectional helical connecting rod, and the two ends of described bidirectional helical connecting rod are respectively equipped withIsometric external screw thread, the described externally threaded hand of helix at two ends is contrary, and described cylindrical shell connects on arm-tie (2)Be provided with the screwed hole I matching with described bidirectional helical connecting rod one end external screw thread; Described adapter connects arm-tie (3)Be provided with the screwed hole II matching with described bidirectional helical connecting rod other end external screw thread.
6. a kind of mechanically joined nozzle inner wall overlaying welding auxiliary device according to claim 5, its spyLevy and be: the external screw thread tooth form at described bidirectional helical connecting rod two ends, the form of thread of described screwed hole I andThe form of thread of described screwed hole II is trapezoidal.
7. a kind of mechanically joined nozzle inner wall overlaying welding auxiliary device according to claim 5, its spyLevy and be: described cylindrical shell connects arm-tie (2) and comprises that two cylindrical shells connect arm-tie connecting plate (201), improve instituteState cylindrical shell connection arm-tie stiffening plate (202) and square nut that cylindrical shell connects the intensity of arm-tie connecting plate (201)I, two described cylindrical shells connect arm-tie connecting plate (201) and are fixedly connected with by described square nut I, described inThe screwed hole of square nut I is described screwed hole I, and described screwed hole I is right-handed thread hole; Described adapter connectsConnect arm-tie (3) and comprise that two are taken over connection arm-tie connecting plate (301), improve described adapter and connect arm-tie connectionThe adapter of the intensity of plate (301) connects arm-tie stiffening plate (302) and square nut II, two described adaptersConnect arm-tie connecting plate (301) and be fixedly connected with by described square nut II, the screw thread of described square nut II 303Hole is described screwed hole II, and described screwed hole II is left handed threaded hole.
8. a kind of mechanically joined nozzle inner wall overlaying welding auxiliary device according to claim 6, its spyLevy and be: in the time that the bigger diameter end of described adapter is shape of a saddle end face, described shape of a saddle end face comprises high point and lowPoint, described bidirectional helical connecting rod comprises that long two-way trapezoidal thread connecting rod (4) and short two-way trapezoidal thread connectExtension bar (5), described adapter connects fulcrum (8) and lays respectively at high top and the low spot of putting of described shape of a saddle end faceTop, described short two-way trapezoidal thread connecting rod (5) by described adapter connect arm-tie (3) with described in be positioned atThe adapter of the height point top of shape of a saddle end face connects fulcrum (8) and connects, the two-way trapezoidal thread connecting rod of described length(4) by described adapter connect arm-tie (3) with described in be positioned at the low spot top of shape of a saddle end face adapter be connected and prop upPoint (8) connects.
9. a right to use requires the servicing unit described in arbitrary claim in 1 to 8 to carry out nozzle inner wallThe method of built-up welding, is characterized in that having following steps:
1. in described adapter, weld to take over according to the position of described cylindrical shell connection fulcrum (9) and connect fulcrum (8);
2. described adapter is placed to described adapter and described ground perpendicular to ground in miner diameter end mode upwardsBetween be provided with spacer pad; By one of described being provided with of described cylindrical shell (1) adapter end gauge (6)End downwards, is connected described adapter end gauge (6) with described adapter; Rotate described cylindrical shell (1),Making described cylindrical shell connection fulcrum (9) be connected fulcrum (8) with described adapter aligns;
3. described cylindrical shell being connected to arm-tie (2) is connected on described cylindrical shell connection fulcrum (9); Described in inciting somebody to action, connectPipe connects arm-tie (3) and is connected on described adapter connection fulcrum (8);
4. by described connecting rod, described cylindrical shell is connected to arm-tie (2) and be connected arm-tie (3) with described adapter evenBe connected together;
5. utilize overhead traveling crane that the integral lifting of described servicing unit and described adapter is carried out to inwall pair to carrying rollerWeldering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410223148.1A CN104014952B (en) | 2014-05-23 | 2014-05-23 | A kind of mechanically joined nozzle inner wall overlaying welding auxiliary device and use this device to carry out the method for nozzle inner wall built-up welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410223148.1A CN104014952B (en) | 2014-05-23 | 2014-05-23 | A kind of mechanically joined nozzle inner wall overlaying welding auxiliary device and use this device to carry out the method for nozzle inner wall built-up welding |
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| CN104014952A CN104014952A (en) | 2014-09-03 |
| CN104014952B true CN104014952B (en) | 2016-05-11 |
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| US5052608A (en) * | 1989-11-28 | 1991-10-01 | Mcclure Gary W | Pipe fitting tool |
| JP2002096182A (en) * | 2000-09-20 | 2002-04-02 | Toyota Motor Corp | Bonding method, revolving tool and joining body by friction heating |
| CN2448508Y (en) * | 2000-11-14 | 2001-09-19 | 胜利石油管理局工程建设一公司三分公司 | Auxiliary butt joint device for offshore welding of submarine pipeline |
| CN201895191U (en) * | 2010-07-29 | 2011-07-13 | 中冶天工集团有限公司 | Round pipe component with auxiliary butt welding mechanism |
| CN202002849U (en) * | 2011-03-24 | 2011-10-05 | 中国石油天然气集团公司 | Test tube connecting disc of steel tube bending deformation test system |
| CN103372707B (en) * | 2012-04-20 | 2015-09-09 | 中国石油天然气集团公司 | The automatic butt welding welding equipment of composite bimetal pipe |
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