CN109382558A - It is a kind of for accelerating the device and method for repairing and mending of repair by welding at tube leakage - Google Patents
It is a kind of for accelerating the device and method for repairing and mending of repair by welding at tube leakage Download PDFInfo
- Publication number
- CN109382558A CN109382558A CN201710665667.7A CN201710665667A CN109382558A CN 109382558 A CN109382558 A CN 109382558A CN 201710665667 A CN201710665667 A CN 201710665667A CN 109382558 A CN109382558 A CN 109382558A
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- CN
- China
- Prior art keywords
- welding
- repair
- accelerating
- tube
- unit
- 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.)
- Pending
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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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
- B23K1/203—Fluxing, i.e. applying flux onto surfaces
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
- B23K1/206—Cleaning
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/32—Selection of soldering or welding materials proper with the principal constituent melting at more than 1550 degrees C
- B23K35/325—Ti as the principal constituent
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The present invention relates to a kind of for accelerating the device and method for repairing and mending of repair by welding at tube leakage, device includes bracket, the workbench being arranged on bracket, accelerating tube clamping unit, repair by welding unit and the image recognition positioning unit of setting on the table, and accelerating tube clamping unit includes fixing and holding mechanism and mobile clamping device；When repair by welding, accelerating tube is fixed in accelerating tube clamping unit, welding compound is applied at the leak of accelerating tube later, then image recognition positioning unit is at the leak of accelerating tube to positioning, the location information progress repair by welding accelerated at tube leakage that last repair by welding unit comes according to the transmission of image recognition positioning unit.Compared with prior art, the present invention can be realized the repair by welding to accelerating at tube leakage, easy to operate, welding is accurate and reliable, the case where for the leak of accelerating tube part, can pass through device and carry out Rapid-Repair leak stopping, the replacement waste for avoiding accelerating tube, reduces costs.
Description
Technical field
The invention belongs to accelerator art fields, are related to a kind of for accelerating the device of repair by welding and repairing at tube leakage
Method.
Background technique
Accelerator is that one kind makes charged particle increase speed the device of (kinetic energy), can be used for atom nuclear tests, radioactivity doctor
, radio chemistry, radioisotopic manufacture, non-destructive flaw detection etc..There are many type of accelerator, mainly have convolution to add
Fast device, linear accelerator, electrostatic accelerator, particle accelerator, multivoltage accelerator etc..Wherein, Varian linear accelerator is mesh
One of preceding radiotherapy special equipment state-of-the-art in the world has the photon line to meet clinical needs and electric wire multi gear energy bins
It closes, can not only carry out conventional radiotheraphy technology, it may also be used for image guide radiotherapy technology, quickly rotates volume at intensity modulated radiation therapy technology
Adjust strong technology, dynamic self-adapting radiotherapy technology etc..
Accelerating tube is one of critical component of accelerator, main function be by from electron gun injected electrons in microwave electric field
High energy is accelerated under effect, is finally practiced shooting and is generated sigmatron.According to accelerating the mode of electronics different, accelerating tube can be divided into row
Wave accelerating tube and two kinds of resident wave accelerating pipe.In the use process of Varian linear accelerator, with the increase for using the time,
Accelerating tube often will appear local water leakage situation.Due to being difficult to repair at the leak of accelerating tube, if occurring accelerating tube leakage
The case where, the accelerating tube that generally directly can only more renew considerably increases cost.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of easily operated use
In the device and method for repairing and mending that accelerate repair by welding at tube leakage.
The purpose of the present invention can be achieved through the following technical solutions:
It is a kind of for accelerating the device of repair by welding at tube leakage, which includes bracket, the work that is arranged on bracket
Platform, setting accelerating tube clamping unit on the table, repair by welding unit compatible with accelerating tube clamping unit and with
The image recognition positioning unit of repair by welding unit electrical connection, the accelerating tube clamping unit include being arranged on the table
Accelerating tube is fixed on and accelerates tube grip list by fixing and holding mechanism and mobile clamping device compatible with fixing and holding mechanism
In member, the image recognition positioning unit is welded by repair by welding unit later to positioning at the leak of accelerating tube
Connect repairing.
The fixing and holding mechanism includes fixing seat and the first clamp assemblies arranged on the fixing seat, the shifting
Dynamic clamping device includes a pair of guide rail being set side by side on the table, the mobile Mobile base being arranged on guide rail, is arranged and is moving
The second clamp assemblies on dynamic seat and the Mobile base driving assembly with Mobile base transmission connection.Mobile base driving assembly, which drives, to be moved
Dynamic seat is moved to predeterminated position on guide rail, accelerating tube is placed in the first clamp assemblies and the second clamp assemblies simultaneously later into
Row is fixedly clamped.
Screw hole is offered on the Mobile base in the horizontal direction, the Mobile base driving assembly includes mutually fitting with screw hole
The screw rod matched and the screw drive motor connecting with screw drive, the screw rod run through Mobile base by screw hole.Screw rod drives
Dynamic motor drives screw rod rotation, by the cooperation of screw rod and screw hole, moves back and forth Mobile base along guide rail.
The screw drive motor is fixedly installed on the table as a preferred technical solution,.
First clamp assemblies and the second clamp assemblies include the first clamping jaw bracket, are arranged in the first clamping jaw bracket
On the first clamping jaw, the second clamping jaw bracket, be arranged on the second clamping jaw bracket and the second clamping jaw compatible with the first clamping jaw with
And the cylinder with the transmission connection of the second clamping jaw bracket.In first clamp assemblies, the first clamping jaw bracket, the second clamping jaw bracket and cylinder
It is arranged in fixing seat；In second clamp assemblies, the first clamping jaw bracket, the second clamping jaw bracket and cylinder are arranged at Mobile base
On.
Sliding rail is equipped in the fixing seat and Mobile base, the second clamping jaw bracket slide setting is on the slide rail.
Piston is flexible in cylinder, and the second clamping jaw bracket is driven to reciprocatingly slide along sliding rail, and the first clamping jaw and the second clamping jaw are closed or are divided
From realizing being fixedly clamped or unclamp release to accelerating tube.
The repair by welding unit includes that setting three coordinate mobile platforms on the table, setting are mobile in three coordinates
Welding support on platform and the soldering appliance being arranged on welding support.Three coordinate mobile platforms are able to drive soldering appliance
X to, Y-direction, Z-direction move freely, enable soldering appliance to accelerate tube leakage at carry out repair by welding.
The soldering appliance is welding gun or electric iron.
The image recognition positioning unit includes setting camera mount on the table, is arranged in camera mount
Video camera upper and compatible with workbench and computer with camera shooting mechatronics, the computer respectively with accelerate tube grip
Unit, the electrical connection of repair by welding unit.Video camera shoots entire workbench, and by image real-time transmission to computer
On display；Accelerating tube is clamped in accelerating tube clamping unit, by the operation of mouse, selectes accelerate over the display
That is, pad is manually selected, and is sat by the specific location that the analysis of computer handles to obtain pad in region at tube leakage
Mark, is sent to repair by welding unit for specific location coordinate later, three coordinate mobile platforms will be welded according to the location information received
Bonding tool, which is moved to, to be accelerated at tube leakage.
A method of using the device to progress repair by welding at tube leakage is accelerated, this method specifically includes following
Step:
1) accelerating tube is fixed in accelerating tube clamping unit, and to being cleaned at the leak of accelerating tube；
2) welding compound is applied at the leak of accelerating tube；
3) using image recognition positioning unit to positioning at the leak of accelerating tube, and the position at tube leakage will be accelerated
Information is sent to repair by welding unit；
4) repair by welding unit is to progress repair by welding at the leak of accelerating tube.
In step 1), the cleaning process are as follows: first use nonwoven later to cleaning at the leak of accelerating tube with alcohol
Gauze will be dried at the leak of accelerating tube.
In step 2), the welding compound includes following components and parts by weight content: 45-55 parts of titanium valve, Titanium Powder 30-
40 parts and 10-20 parts of copper powder.The welding compound can high temperature resistant, the job stability of accelerating tube has been effectively ensured and using the longevity
Life.
After the completion of welding, then with alcohol and nonwoven gauze weld is cleaned.
Compared with prior art, the invention has the characteristics that:
1) it can be realized the repair by welding to accelerating at tube leakage, easy to operate, welding is accurate and reliable, for accelerating tube office
Portion's water leakage situation can carry out Rapid-Repair leak stopping by device, avoid the replacement waste of accelerating tube, reduce costs；
2) repair by welding unit is convenient for being identified and being positioned at the leak of accelerating tube by image recognition positioning unit
Accurate to implement repair by welding work, no matter leak occurs for any position on accelerating tube, can by way of automatic welding into
Row repair by welding, flexibility is good, avoids the complex operations of manual welding；
3) using welding compound resistant to high temperature to repair by welding is carried out at the leak of accelerating tube, it is firm not only to weld, and effectively
It ensure that stability and service life of the accelerating tube in subsequent use process.
Detailed description of the invention
Fig. 1 is the overall structure diagram of device in embodiment 1；
Fig. 2 is the overlooking structure diagram of accelerating tube clamping unit in embodiment 1；
Fig. 3 is the structural schematic diagram of mobile clamping device in embodiment 1；
Description of symbols in figure:
1-bracket, 2-workbench, 3-accelerating tubes, 4-fixing seats, 5-guide rails, 6-Mobile bases, 7-screw rods, 8-spiral shells
Bar driving motor, 9-screw holes, the 10-the first clamping jaw bracket, the 11-the first clamping jaw, the 12-the second clamping jaw bracket, the 13-the second folder
Pawl, 14-cylinders, 15-three coordinate mobile platforms, 16-soldering appliances, 17-camera mounts, 18-video cameras, 19-welderings
Connect bracket.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
Embodiment 1:
As shown in Figure 1 is a kind of for accelerating the device of repair by welding at tube leakage, the device include bracket 1, setting exist
Workbench 2 on bracket 1, the accelerating tube clamping unit being arranged on workbench 2, welding compatible with accelerating tube clamping unit
Repairing unit and the image recognition positioning unit being electrically connected with repair by welding unit, as shown in Fig. 2, accelerating tube clamping unit packet
The fixing and holding mechanism being arranged on workbench 2 and mobile clamping device compatible with fixing and holding mechanism are included, will be accelerated
Pipe 3 is fixed in accelerating tube clamping unit, and image recognition positioning unit at the leak of accelerating tube 3 to positioning, later by welding
It connects repairing unit and carries out repair by welding.
Wherein, fixing and holding mechanism includes fixing seat 4 and the first clamp assemblies being arranged in fixing seat 4, mobile folder
Mechanism is held to include a pair of guide rail 5 being disposed in parallel on workbench 2, the mobile Mobile base 6 being arranged on guide rail 5, be arranged and moving
The second clamp assemblies on dynamic seat 6 and the Mobile base driving assembly with the transmission connection of Mobile base 6.
As shown in figure 3, offering screw hole 9 on Mobile base 6 in the horizontal direction, Mobile base driving assembly includes and 9 phase of screw hole
The screw rod 7 of adaptation and the screw drive motor 8 being sequentially connected with screw rod 7, screw rod 7 run through Mobile base 6 by screw hole 9.First
The first clamping jaw that clamp assemblies and the second clamp assemblies include the first clamping jaw bracket 10, are arranged on the first clamping jaw bracket 10
11, the second clamping jaw bracket 12, be arranged on the second clamping jaw bracket 12 and second clamping jaw 13 compatible with the first clamping jaw 11 and
With the cylinder 14 of the second clamping jaw bracket 12 transmission connection.Sliding rail, the second clamping jaw bracket 12 are equipped in fixing seat 4 and Mobile base 6
It is slidably arranged on sliding rail.
Repair by welding unit includes three coordinate mobile platforms 15 being arranged on workbench 2, is arranged and puts down in the movement of three coordinates
Welding support 19 on platform 15 and the soldering appliance 16 being arranged on welding support 19.Soldering appliance 16 is welding gun.
Image recognition positioning unit includes the camera mount 17 being arranged on workbench 2, is arranged in camera mount 17
It is upper and with the compatible video camera 18 of workbench 2 and the computer being electrically connected with video camera 18, the computer respectively with acceleration
Tube grip unit, the electrical connection of repair by welding unit.
A method of using above-mentioned apparatus to repair by welding is carried out at acceleration tube leakage, this method specifically includes following step
It is rapid:
1) accelerating tube 3 is fixed in accelerating tube clamping unit, and to being cleaned at the leak of accelerating tube 3；
2) welding compound is applied at the leak of accelerating tube 3, wherein welding compound includes following components and parts by weight content:
50 parts of titanium valve, 35 parts of Titanium Powder and 15 parts of copper powder；
3) using image recognition positioning unit to being positioned at the leak of accelerating tube 3, and by the position at 3 leak of accelerating tube
Confidence breath is sent to repair by welding unit；
4) repair by welding unit is to progress repair by welding at the leak of accelerating tube 3.
Embodiment 2:
In the present embodiment, soldering appliance 16 is electric iron, and welding compound includes following components and parts by weight content: titanium valve 45
Part, 40 parts of Titanium Powder and 10 parts of copper powder, remaining is the same as embodiment 1.
Embodiment 3:
In the present embodiment, welding compound includes following components and parts by weight content: 55 parts of titanium valve, 30 parts of Titanium Powder and copper
20 parts of powder, remaining is the same as embodiment 1.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
Claims (10)
1. a kind of for accelerating the device of repair by welding at tube leakage, which is characterized in that the device include bracket (1), setting exist
Workbench (2) on bracket (1), the accelerating tube clamping unit being arranged on workbench (2) are adapted with accelerating tube clamping unit
Repair by welding unit and the image recognition positioning unit that is electrically connected with repair by welding unit, the accelerating tube clamping unit
It, will including the fixing and holding mechanism and mobile clamping device compatible with fixing and holding mechanism being arranged on workbench (2)
Accelerating tube (3) is fixed in accelerating tube clamping unit, and the image recognition positioning unit is carried out at the leak of accelerating tube (3)
Positioning carries out repair by welding by repair by welding unit later.
2. according to claim 1 a kind of for accelerating the device of repair by welding at tube leakage, which is characterized in that described
Fixing and holding mechanism includes the first clamp assemblies of fixing seat (4) and setting on fixing seat (4), the mobile clamping machine
Structure includes guide rail (5), the mobile Mobile base (6) being arranged on guide rail (5), setting that a pair is disposed in parallel on workbench (2)
The second clamp assemblies on Mobile base (6) and the Mobile base driving assembly with Mobile base (6) transmission connection.
3. according to claim 2 a kind of for accelerating the device of repair by welding at tube leakage, which is characterized in that described
It is offered in the horizontal direction on Mobile base (6) screw hole (9), the Mobile base driving assembly includes compatible with screw hole (9)
Screw rod (7) and the screw drive motor (8) being sequentially connected with screw rod (7), the screw rod (7) is by screw hole (9) through shifting
Dynamic seat (6).
4. according to claim 2 a kind of for accelerating the device of repair by welding at tube leakage, which is characterized in that described
First clamp assemblies and the second clamp assemblies include the first clamping jaw bracket (10), be arranged on the first clamping jaw bracket (10) the
One clamping jaw (11), the second clamping jaw bracket (12), setting are on the second clamping jaw bracket (12) and compatible with the first clamping jaw (11)
Second clamping jaw (13) and the cylinder (14) being sequentially connected with the second clamping jaw bracket (12).
5. according to claim 4 a kind of for accelerating the device of repair by welding at tube leakage, which is characterized in that described
Sliding rail is equipped in fixing seat (4) and Mobile base (6), the second clamping jaw bracket (12) is slidably arranged on sliding rail.
6. according to claim 1 a kind of for accelerating the device of repair by welding at tube leakage, which is characterized in that described
Repair by welding unit includes three coordinate mobile platforms (15) being arranged on workbench (2), is arranged in three coordinate mobile platforms
(15) soldering appliance (16) of welding support (19) and setting on welding support (19) on.
7. according to claim 6 a kind of for accelerating the device of repair by welding at tube leakage, which is characterized in that described
Soldering appliance (16) is welding gun or electric iron.
8. according to claim 1 a kind of for accelerating the device of repair by welding at tube leakage, which is characterized in that described
Image recognition positioning unit includes the camera mount (17) being arranged on workbench (2), is arranged on camera mount (17)
And video camera (18) compatible with workbench (2) and the computer being electrically connected with video camera (18), the computer respectively with
Accelerating tube clamping unit, the electrical connection of repair by welding unit.
9. it is a kind of using device as claimed in any one of claims 1 to 8 to accelerate tube leakage at carry out repair by welding method,
It is characterized in that, this method specifically includes the following steps:
1) accelerating tube (3) is fixed in accelerating tube clamping unit, and to being cleaned at the leak of accelerating tube (3)；
2) welding compound is applied at the leak of accelerating tube (3)；
3) using image recognition positioning unit to being positioned at the leak of accelerating tube (3), and by the position at accelerating tube (3) leak
Confidence breath is sent to repair by welding unit；
4) repair by welding unit is to progress repair by welding at the leak of accelerating tube (3).
10. it is according to claim 9 it is a kind of using device to accelerate tube leakage at carry out repair by welding method, feature
It is, in step 2), the welding compound includes following components and parts by weight content: 45-55 parts of titanium valve, Titanium Powder 30-40
Part and 10-20 parts of copper powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710665667.7A CN109382558A (en) | 2017-08-07 | 2017-08-07 | It is a kind of for accelerating the device and method for repairing and mending of repair by welding at tube leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710665667.7A CN109382558A (en) | 2017-08-07 | 2017-08-07 | It is a kind of for accelerating the device and method for repairing and mending of repair by welding at tube leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109382558A true CN109382558A (en) | 2019-02-26 |
Family
ID=65413544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710665667.7A Pending CN109382558A (en) | 2017-08-07 | 2017-08-07 | It is a kind of for accelerating the device and method for repairing and mending of repair by welding at tube leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109382558A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4483477A (en) * | 1982-07-06 | 1984-11-20 | Walter Eckold Gmbh & Co. | Clamping device for tubes to be welded together |
| CN103659382A (en) * | 2013-11-12 | 2014-03-26 | 芜湖普威技研有限公司 | Automatic pipe sawing fixture |
| CN204504462U (en) * | 2014-11-26 | 2015-07-29 | 佛山市高明区生产力促进中心 | A kind of simultaneously to the welder that some circumferential welds weld |
| CN105127657A (en) * | 2015-08-26 | 2015-12-09 | 长治市永华机械有限公司 | Arc and shaft repair welding machine |
| CN206366731U (en) * | 2016-12-08 | 2017-08-01 | 中山博思德自动化设备有限公司 | Horizontal aluminum pipe welding machine |
| CN207223147U (en) * | 2017-08-07 | 2018-04-13 | 上海卓亚医疗科技有限公司 | A kind of device for being used to accelerate repair by welding at tube leakage |
-
2017
- 2017-08-07 CN CN201710665667.7A patent/CN109382558A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4483477A (en) * | 1982-07-06 | 1984-11-20 | Walter Eckold Gmbh & Co. | Clamping device for tubes to be welded together |
| CN103659382A (en) * | 2013-11-12 | 2014-03-26 | 芜湖普威技研有限公司 | Automatic pipe sawing fixture |
| CN204504462U (en) * | 2014-11-26 | 2015-07-29 | 佛山市高明区生产力促进中心 | A kind of simultaneously to the welder that some circumferential welds weld |
| CN105127657A (en) * | 2015-08-26 | 2015-12-09 | 长治市永华机械有限公司 | Arc and shaft repair welding machine |
| CN206366731U (en) * | 2016-12-08 | 2017-08-01 | 中山博思德自动化设备有限公司 | Horizontal aluminum pipe welding machine |
| CN207223147U (en) * | 2017-08-07 | 2018-04-13 | 上海卓亚医疗科技有限公司 | A kind of device for being used to accelerate repair by welding at tube leakage |
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