CN105965135A - Tube plate argon arc welding machine with static positioning shaft - Google Patents
Tube plate argon arc welding machine with static positioning shaft Download PDFInfo
- Publication number
- CN105965135A CN105965135A CN201610390154.5A CN201610390154A CN105965135A CN 105965135 A CN105965135 A CN 105965135A CN 201610390154 A CN201610390154 A CN 201610390154A CN 105965135 A CN105965135 A CN 105965135A
- Authority
- CN
- China
- Prior art keywords
- shaft
- rotary shaft
- locating shaft
- axle
- pipe plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
- B23K9/287—Supporting devices for electrode holders
-
- 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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0241—Attachments between the welding or cutting element and the carriage
-
- 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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0247—Driving means
-
- 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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0276—Carriages for supporting the welding or cutting element for working on or in tubes
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/14—Heat exchangers
Abstract
The invention belongs to the related field of chemical welding equipment, and discloses a tube plate argon arc welding machine with a static positioning shaft, which comprises a base, rotating shafts and a positioning shaft, wherein the rotating shafts include an outer rotating shaft mounted on the base and an inner rotating shaft embedded in an axial hole in the outer rotating shaft and fixedly connected with the outer rotating shaft; a stepped shaft hole is formed in the inner rotating shaft; the positioning shaft is accommodated in the stepped shaft hole, and used for positioning a tube plate argon arc welding machine body; and the stepped shaft hole is in clearance fit with the positioning shaft, so as to ensure that the positioning shaft and the stepped shaft hole are relatively separate from each other. As the positioning shaft and a transmission shaft are arranged in a separate manner, the tube plate argon arc welding machine has the advantages that impact of process problems, such as low shaft head accuracy and insufficient heat transfer tube precision, on welding quality is reduced effectively, and the welding quality and efficiency are improved, and the degree of flexibility is relatively high.
Description
Technical field
The invention belongs to chemical industry welding equipment association area, it is static fixed to have more particularly, to one
The pipe plate argon welder of position axle.Described pipe plate argon welder uses the side that locating shaft is separated with power transmission shaft
Formula, i.e. during welding, locating shaft does not rotates with rotary shaft, effectively reduces that spindle nose precision is low, heat exchanger tube is smart
Degree waits the harmful effect of technological problems welding quality not, improves welding quality and efficiency, and soft
Property degree is higher.
Background technology
Heat exchanger is respectively provided with is widely applied in chemical industry and power station industry, the heat exchange in chemical industry
The Tube-sheet Welding of device uses the manufacturing process of expanded for strength and welded for seal, and weldquality is most important, weldering
Seam can't meet the quality requirement and will result directly in heat exchanger and reveal.
Welding between tube sheet with heat exchanger tube generally uses the one in following welding method: welding rod arc
Weldering, manual argon arc welding, full-automatic tube sheet argon arc welding.Wherein, full-automatic tube sheet argon arc welding uses and calculates
Machine controls, and is used widely because its welding process is stable, reliable, easy to operate.Locating shaft is
The important component part of full-automatic pipe plate argon welder, its butt welding machine carries out positioning to ensure the fortune of welding gun
Dynamic track overlaps with weld seam, thus can locating shaft be accurately positioned and will directly affect welding quality.Existing
Locating shaft Tong Bu with welding gun rotate around heat exchanger tube, the precision of spindle nose will be had higher requirements, and due to
The technological problemses such as the ovality deviation of heat exchanger tube is relatively big, wall thickness deviation is bigger, locating shaft when causing rotating
And the fit clearance between heat exchanger tube is excessive or too small so that locating shaft can not be accurately positioned, even
Cannot use, greatly affect welding quality and efficiency.
Summary of the invention
For disadvantages described above or the Improvement requirement of prior art, the invention provides one and there is static state calmly
The pipe plate argon welder of position axle, it combines locating shaft and the ad hoc structure of rotary shaft and annexation, and
It is designed for locating shaft and annexation thereof.Described pipe plate argon welder uses locating shaft and transmission
The mode that axle is separated, effectively reduces the technological problemses pair such as spindle nose precision is low, heat exchanger tube precision is inadequate
The harmful effect of welding quality, improves welding quality and efficiency, and flexibility degree is higher.
For achieving the above object, the invention provides a kind of pipe plate argon welder with static immobilization axle,
It includes base, welding gun, rotary shaft and locating shaft, it is characterised in that:
Described rotary shaft includes the outer rotary shaft being arranged on described base and is set in described outer rotary shaft
Axis hole in inner rotary shaft, described inner rotary shaft and described outer rotary shaft are fixing to be connected, and its two ends
All protrude from described outer rotary shaft;Described inner rotary shaft offers ladder axis hole;
Described welding gun is arranged on described inner rotary shaft, and it synchronizes to turn around heat exchanger tube with described rotary shaft
Dynamic to weld;
Described locating shaft is housed in described ladder axis hole, and it is for carrying out described pipe plate argon welder
Location;Described ladder axis hole and described locating shaft matched in clearance, make described locating shaft and described multidiameter
Hole relative separation is arranged.
Further, described pipe plate argon welder also includes limit assembly and positioning head;Described locating shaft
Two ends all protrude from described inner rotary shaft, its one end connect described limit assembly, the other end connect institute
Stating positioning head, described limit assembly limits the described locating shaft shift motion towards described positioning head.
Further, described positioning head is arranged in heat exchanger tube and offsets with the inwall of described heat exchanger tube
To position, and then ensure that described locating shaft is separated with described ladder axis hole.
Further, described positioning head is threadeded with described locating shaft, and it is according to described heat exchanger tube
Size is replaced.
Further, the size of one end that described locating shaft is connected with described positioning head is more than described rank
The size in the hole of ladder axis hole so that it is be resisted against on the cascaded surface of described ladder axis hole, described limit assembly
Match to limit the shift motion that described locating shaft is gone up along its length with described cascaded surface.
Further, described limit assembly includes that the first limited block and described first limited block interval set
The second limited block of putting and connect described first limited block and the spring of described second limited block;Described fixed
Position axle is connected on described first limited block after described second limited block and described spring;When described
When locating shaft moves to adjust its length protruding from described inner rotary shaft along its length, described bullet
Spring generation elastic deformation or recovery elastic deformation, to buffer rocking or making described of described locating shaft
Locating shaft resets under the elastic restoring force effect of described spring.
Welding gun that further, described pipe plate argon welder also includes being arranged on described inner rotary shaft,
The gear train, the decelerator being connected to described gear train that are connected to described outer rotary shaft and be connected to described
The motor of decelerator, described motor passes sequentially through described decelerator, described gear train, described external rotation
Axle and described inner rotary shaft drive described welding gun to rotate around described heat exchanger tube to weld.
Further, described pipe plate argon welder also includes the copper being arranged in the groove of described locating shaft
Pipe, water flowing in described copper pipe, to cool down described rotary shaft.
In general, by the contemplated above technical scheme of the present invention compared with prior art, this
The pipe plate argon welder with static immobilization axle of bright offer, it uses locating shaft to be separated with power transmission shaft
Mode, effectively reduce that spindle nose precision is low, the heat exchanger tube precision technological problems welding quality such as not
Harmful effect, improve welding quality and efficiency, and flexibility degree be higher.Additionally, described limit
Hyte part limits the stroke of described locating shaft, it is ensured that the Position location accuracy of described locating shaft.
Accompanying drawing explanation
Fig. 1 is the pipe plate argon welder with static immobilization axle that better embodiment of the present invention provides
Structural representation.
In all of the figs, identical reference is used for representing identical element or structure, wherein:
1-motor, 2-decelerator, 3-gear assembly, 4-inner rotary shaft, 41-ladder axis hole, 5-spring, 51-
First limited block, 52-the second limited block, 6-bearing, 7-outer rotary shaft, 8-key, 9-locating shaft, 10-
Positioning head.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And embodiment, the present invention is further elaborated.Should be appreciated that described herein specifically
Embodiment only in order to explain the present invention, is not intended to limit the present invention.Additionally, it is disclosed below
Just may be used as long as technical characteristic involved in each embodiment of the present invention does not constitutes conflict each other
To be mutually combined.
Refer to Fig. 1, the tube sheet argon arc welding with static immobilization axle that better embodiment of the present invention provides
Machine, it uses the mode that power transmission shaft is separated with locating shaft.So-called static immobilization axle, i.e. locating shaft are not
Rotate around heat exchanger tube with rotary shaft.Described pipe plate argon welder include base, rotary shaft, locating shaft 9,
Limit assembly, gear assembly 3, decelerator 2 and motor 1, described rotary shaft is arranged on described base.
Described locating shaft 9 is set in described rotary shaft, and both relative separation are arranged.Described limit assembly
Being connected with described locating shaft 9, it is for limiting what described locating shaft 9 moved towards described heat exchanger tube
Shift motion.Described gear assembly 3 is connected with described rotary shaft, and it drives described rotary shaft phase
Described locating shaft 9 is rotated.Described decelerator 2 connects described gear assembly 3 and described motor 1,
It is transferred to described gear assembly 3, to drive after the rotation regulation rotating speed exported by described motor 1
Described gear assembly 3 rotates, and then drives described rotary shaft to rotate.
Described rotary shaft includes inner rotary shaft 4 and fixes, with described inner rotary shaft 4, the outer rotary shaft being connected
7, described inner rotary shaft 4 is set in the axis hole of described outer rotary shaft 7.In present embodiment, described
Inner rotary shaft 4 is fixed together by key 8 with described outer rotary shaft 7, and its two ends are all protruded
In described outer rotary shaft 7.Described inner rotary shaft 4 offers ladder axis hole 41, described ladder axis hole 41
For housing described locating shaft 9, and move along the trace of described ladder axis hole 41 for described locating shaft 9
There is provided and guide.Described inner rotary shaft 4 is provided with welding gun on the one end away from described gear assembly 3, institute
State welding gun with described inner rotary shaft 4 around described heat exchanger tube synchronous axial system to weld.Described external rotation
Axle 7 is arranged on described base by bearing 6, and its one end is fixing with described gear assembly 3 to be connected.
One end of described locating shaft 9 is connected to described limit assembly, separately after described ladder axis hole 41
One end connects described positioning head 10.In present embodiment, described locating shaft 9 and described positioning head 10 spiral shell
Stricture of vagina connects, therefore it can connect various sizes of positioning head;And described locating shaft 9 and described positioning head 10
The size of the one end being connected is more than the size in the hole of described ladder axis hole 41 so that it is be resisted against described rank
On the cascaded surface of ladder axis hole 41, described limit assembly and described cascaded surface limit described locating shaft 9 edge
The shift motion of its length direction.Described locating shaft 9 is matched in clearance with described ladder axis hole 41, i.e.
Described locating shaft 9 does not rotates with the rotation of described inner rotary shaft 4, and keeps static.
Described limit assembly is arranged on described locating shaft 9 one end away from described positioning head 10, and it includes
First limited block 51, second limited block 52 spaced with described first limited block 51 and be connected institute
State the first limited block 51 and the spring 5 of described second limited block 52.Described locating shaft 9 is through described the
It is connected to after two limited blocks 52 and described spring 5 on described first limited block 51.When described locating shaft 9
Towards described positioning head 10 or move to adjust it away from described positioning head 10 and protrude from described interior rotation
During the length of axle 4, there is elastic deformation or recover elastic deformation in described spring 5, described with buffering
The rocking or make described locating shaft 9 multiple under the elastic restoring force effect of described spring 5 of locating shaft 9
Position.
Described pipe plate argon welder also includes that copper pipe, described copper pipe are arranged on the groove of described locating shaft 9
In, in it, water flowing is to cool down described rotary shaft.It is appreciated that in other embodiments,
Described copper pipe can be substituted by other pipes, such as sebific duct etc..
During work, first, the positioning head 10 of suitable dimension is chosen according to the size of heat exchanger tube internal diameter, and
The described positioning head 10 chosen is connected on described locating shaft 9;Then, by described positioning head 10
Fill in interior and with described heat exchanger tube the inwall of described heat exchanger tube to push against to position, and then ensure described
Locating shaft 9 is separated with described ladder axis hole 41;During this period, described locating shaft 9 can be towards described
Positioning head 10 or move to regulate the position of described positioning head 10 away from described positioning head 10, makes institute
State positioning head 10 preferably to position;Then, described motor 1 starts, and its output shaft passes sequentially through described
Decelerator 2, gear train 3 and rotary shaft drive welding gun to rotate around described heat exchanger tube, to carry out weld job,
Meanwhile, described locating shaft 9 keeps static, and this kind of mode effectively reduces that spindle nose precision is low, heat exchanger tube
Precision waits the harmful effect of technological problems welding quality not, improves welding quality and efficiency, and
Flexibility degree is higher;Finally, after having welded, described positioning head 10 is taken in described heat exchanger tube
Go out.
The pipe plate argon welder with static immobilization axle that the present invention provides, it uses locating shaft and transmission
The mode that axle is separated, effectively reduces the technological problemses pair such as spindle nose precision is low, heat exchanger tube precision is inadequate
The harmful effect of welding quality, improves welding quality and efficiency, and flexibility degree is higher.Additionally,
Described limit assembly limits the stroke of described locating shaft, it is ensured that the Position location accuracy of described locating shaft.
As it will be easily appreciated by one skilled in the art that and the foregoing is only presently preferred embodiments of the present invention,
Not in order to limit the present invention, all made within the spirit and principles in the present invention any amendment, etc.
With replacement and improvement etc., should be included within the scope of the present invention.
Claims (8)
1. there is a pipe plate argon welder for static immobilization axle, it include base, welding gun, rotary shaft and
Locating shaft (9), it is characterised in that:
Described rotary shaft includes the outer rotary shaft (7) being arranged on described base and is set in described outward turning
Inner rotary shaft (4) in the axis hole of rotating shaft (7), described inner rotary shaft (4) and described outer rotary shaft
(7) fixing connection, and its two ends all protrudes from described outer rotary shaft (7);Described inner rotary shaft (4)
It is further opened with ladder axis hole (41);
Described welding gun is arranged on described inner rotary shaft (4), and it is same around heat exchanger tube with described rotary shaft
Step rotates to weld;
Described locating shaft (9) is housed in described ladder axis hole (41), and it is for described tube sheet argon
Arc-welding machine positions;Described ladder axis hole (41) and described locating shaft (9) matched in clearance, make institute
State locating shaft (9) to arrange with described ladder axis hole (41) relative separation.
There is the pipe plate argon welder of static immobilization axle the most as claimed in claim 1, it is characterised in that:
Described pipe plate argon welder also includes limit assembly and positioning head (10);The two of described locating shaft (9)
End all protrudes from described inner rotary shaft (4), and its one end connects described limit assembly, and the other end connects institute
Stating positioning head (10), described limit assembly limits described locating shaft (9) towards described positioning head (10)
Shift motion.
There is the pipe plate argon welder of static immobilization axle the most as claimed in claim 2, it is characterised in that:
Described positioning head is arranged on interior and with described heat exchanger tube the inwall of heat exchanger tube and offsets to position, and enters
And ensure that described locating shaft is separated with described ladder axis hole.
There is the pipe plate argon welder of static immobilization axle the most as claimed in claim 2, it is characterised in that:
Described positioning head (10) is threadeded with described locating shaft (9), and it is according to the size of described heat exchanger tube
It is replaced.
There is the pipe plate argon welder of static immobilization axle the most as claimed in claim 2, it is characterised in that:
The size of one end that described locating shaft (9) is connected with described positioning head (10) is more than described multidiameter
The size in the hole in hole (41) so that it is be resisted against on the cascaded surface of described ladder axis hole (41), described
Limit assembly matches with described cascaded surface to limit the shifting that described locating shaft (9) is gone up along its length
Dynamic stroke.
There is the pipe plate argon welder of static immobilization axle the most as claimed in claim 2, it is characterised in that:
Described limit assembly includes that the first limited block (51) and described first limited block (51) interval are arranged
The second limited block (52) and connect described first limited block (51) and described second limited block (52)
Spring (5);Described locating shaft (9) passes described second limited block (52) and described spring (5)
After be connected on described first limited block (51);When described locating shaft (9) moves along its length
During to adjust its length protruding from described inner rotary shaft (4), described spring (5) occurs elasticity to become
Shape or recovery elastic deformation, to buffer rocking or making described locating shaft (9) of described locating shaft (9)
Reset under the elastic restoring force effect of described spring (5).
There is the pipe plate argon welder of static immobilization axle the most as claimed in claim 2, it is characterised in that:
Described pipe plate argon welder also includes being connected to the gear train (3) of described outer rotary shaft (7), connecting
Decelerator (2) in described gear train (3) and be connected to the motor (1) of described decelerator (2),
Described motor (1) passes sequentially through described decelerator (2), described gear train (3), described external rotation
Axle (7) and described inner rotary shaft (4) drive described welding gun to rotate around described heat exchanger tube to weld.
There is the pipe plate argon welder of static immobilization axle the most as claimed in claim 1, it is characterised in that:
Described pipe plate argon welder also includes the copper pipe being arranged in the groove of described locating shaft (9), described copper
Water flowing in pipe, to cool down described rotary shaft.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610390154.5A CN105965135B (en) | 2016-06-02 | 2016-06-02 | A kind of pipe plate argon welder with static immobilization axle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610390154.5A CN105965135B (en) | 2016-06-02 | 2016-06-02 | A kind of pipe plate argon welder with static immobilization axle |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105965135A true CN105965135A (en) | 2016-09-28 |
CN105965135B CN105965135B (en) | 2017-07-18 |
Family
ID=57010787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610390154.5A Active CN105965135B (en) | 2016-06-02 | 2016-06-02 | A kind of pipe plate argon welder with static immobilization axle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105965135B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112643174A (en) * | 2020-12-17 | 2021-04-13 | 德阳九鼎电气有限公司 | Auxiliary welding device for neck flange of chemical pump and using method |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000015437A (en) * | 1998-06-26 | 2000-01-18 | Toshiba Corp | Tube end automatic sealing welding machine |
KR20070066061A (en) * | 2005-12-21 | 2007-06-27 | 현대중공업 주식회사 | The continuous automatic welding device for horizontal and vertical fillet welding groove |
CN201287245Y (en) * | 2007-11-30 | 2009-08-12 | 南京鹏力科技有限公司 | Circumferential seam profile-modeling welding machine |
CN102179603A (en) * | 2011-04-21 | 2011-09-14 | 清华大学 | Automatic welding and sealing device of spent fuel storage tank plug |
CN205057271U (en) * | 2015-09-10 | 2016-03-02 | 抚顺化工机械设备制造有限公司 | Tube head automatic welder |
CN105522305A (en) * | 2014-09-30 | 2016-04-27 | 芜湖炬胜机电设备厂 | Welding arm of automatic welding machine |
CN105537732A (en) * | 2016-01-13 | 2016-05-04 | 安徽宁国晨光精工股份有限公司 | Full-automatic steering welding equipment |
-
2016
- 2016-06-02 CN CN201610390154.5A patent/CN105965135B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000015437A (en) * | 1998-06-26 | 2000-01-18 | Toshiba Corp | Tube end automatic sealing welding machine |
KR20070066061A (en) * | 2005-12-21 | 2007-06-27 | 현대중공업 주식회사 | The continuous automatic welding device for horizontal and vertical fillet welding groove |
CN201287245Y (en) * | 2007-11-30 | 2009-08-12 | 南京鹏力科技有限公司 | Circumferential seam profile-modeling welding machine |
CN102179603A (en) * | 2011-04-21 | 2011-09-14 | 清华大学 | Automatic welding and sealing device of spent fuel storage tank plug |
CN105522305A (en) * | 2014-09-30 | 2016-04-27 | 芜湖炬胜机电设备厂 | Welding arm of automatic welding machine |
CN205057271U (en) * | 2015-09-10 | 2016-03-02 | 抚顺化工机械设备制造有限公司 | Tube head automatic welder |
CN105537732A (en) * | 2016-01-13 | 2016-05-04 | 安徽宁国晨光精工股份有限公司 | Full-automatic steering welding equipment |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112643174A (en) * | 2020-12-17 | 2021-04-13 | 德阳九鼎电气有限公司 | Auxiliary welding device for neck flange of chemical pump and using method |
Also Published As
Publication number | Publication date |
---|---|
CN105965135B (en) | 2017-07-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4941054B2 (en) | Manufacturing method of seamless bend pipe, welded joint and manufacturing method thereof | |
CN102858477B (en) | Bending machine and use the bend pipe processing method of spiral type pipe of this bending machine | |
CN101396779B (en) | Welding gun gripping swing mechanism | |
US11364529B2 (en) | Variable-diameter full-support mandrel structure with slider-type cross section for preventing reverse rotation of ratchet wheel | |
CN111151965A (en) | Adjustable profile inner support welding tool and using method | |
CN103737220B (en) | The friction stir welding inner supporting device of its central band reserved opening closed cylinder in two ends | |
CN105965135A (en) | Tube plate argon arc welding machine with static positioning shaft | |
CN116652471B (en) | Welding set for municipal works | |
JP2017518182A (en) | Friction stir welding pipe | |
CN110900045A (en) | Pipeline internal welding machine | |
CN106040778B (en) | A kind of high power jointed fiber laser spiral fin coil hot-drawn is molded welding equipment | |
JP6447970B2 (en) | Hose automatic fastening device | |
US2936517A (en) | Method and apparatus for brazing fins to tubes | |
CN103433396B (en) | A kind of radial expansion expander expanding for marmem pipe joint | |
CN208929557U (en) | A kind of float positioning device | |
EP1164326A2 (en) | Fluid ball joint apparatus and method of fabrication | |
CN105618924A (en) | Friction stir welding electric spindle device having retraction function | |
JP2013066911A (en) | Connection body of copper tube and stainless steel pipe and manufacturing method thereof | |
CN204108582U (en) | Internal-expansion type automobile body welding clamping device | |
CN104858322A (en) | Pipe fitting sealing device | |
RU2393947C2 (en) | Device for mounting and centering of thin-wall shell end faces | |
CN205437564U (en) | Multi -point synchronization automatic weld equips positioner | |
KR100647836B1 (en) | A heat pipe and its manufacturing opparatus and method | |
JP2018128088A (en) | Joint and method for connecting pipe to the joint | |
CN104565027A (en) | Joint bearing for shock absorbers |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |