CN109396678A - A kind of intersection welding seam welding method - Google Patents
A kind of intersection welding seam welding method Download PDFInfo
- Publication number
- CN109396678A CN109396678A CN201811210324.2A CN201811210324A CN109396678A CN 109396678 A CN109396678 A CN 109396678A CN 201811210324 A CN201811210324 A CN 201811210324A CN 109396678 A CN109396678 A CN 109396678A
- Authority
- CN
- China
- Prior art keywords
- welding
- area
- pipe
- smog
- liner 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention provides a kind of intersection welding seam welding methods, comprising the following steps: S1, liner plate is fixed in the area D outside pipe；S2 welds the area D weld seam inside pipe；S3, back chipping remove liner plate, and the repair welding outside pipe makes the area C and the area D transitional region form smooth transition.Intersection welding seam welding method provided by the invention, pass through the area the D fixation liner plate outside pipe, it is seeped along weld seam to pipe exosmosis after being conducive to welding rod melting, by being welded inside pipe to the area D weld seam, so that being infiltrated into outside pipe after welding rod melting along weld seam, very big face of weld will not be formed in the transition region in the area C to D, and pass through the repair welding outside pipe, the area C and the area D transitional region is set to form smooth transition, both the security requirement of structure had been met, perception is also preferable, and back of weld is not allowed to tend to have longer stress concentration region yet, is conducive to structure safety.
Description
Technical field
The present invention relates to technical field of building construction, in particular to a kind of intersection welding seam welding method.
Background technique
At present high-rise building steel structure design in, in order to improve structure entirety lateral force resistance, huge column 11 (alternatively referred to as
Supervisor) between four facades in arrange huge diagonal brace 12 (alternatively referred to as branch pipe), supervisor and branch pipe may be referred to collectively as pipe, such as Fig. 1 institute
Show, be shown in which the perspective view of huge column Yu huge diagonal brace, as can be seen that upper load mainly passes through from structure type
Huge column and diagonal brace transmitting, the load that diagonal brace is born passes through the transmitting of the intersection welding seam between diagonal brace and huge column completely, therefore mutually passes through
Wire bonding seam is extremely important force part, and the superiority and inferiority of weldquality is directly related to the safety of structure.
According to " welding for steel structure specification ", intersection welding seam is divided into the area details A, the area details B, the area details C and detail D area,
It is schematically marked at A, B, C, D in figure, the welding for intersection, existing welding method is to weld in the outside of huge column along weld seam
Fixation is connect, this mode, since diagonal brace wall thickness is generally thicker, one side weld weld size in the area D is larger, to meet the safety of structure
It is required that the transition region in the area C to D will form very big face of weld, to make the area C and the area D transitional region that can not be formed smoothly
Transition, perception is very poor, and back of weld has longer stress concentration region, unfavorable safely in structure.
Summary of the invention
The present invention provides a kind of intersection welding seam welding method, with to solve the above technical problems.
The technical scheme is that a kind of intersection welding seam welding method, comprising the following steps:
S1, liner plate is fixed in the area D outside pipe；
S2 welds the area D weld seam inside pipe；
S3, back chipping remove liner plate, and the repair welding outside pipe makes the area C and the area D transitional region form smooth transition.
Optionally, further include step S4 before step S2, the area A, the area B and the area C weld seam are carried out in pipe outside or inside
Welding.
Optionally, outside pipe repair welding mode are as follows: the form repair welding of fillet weld is pressed outside pipe.
It optionally, further include the area A, the area B and the area C outside pipe while liner plate is fixed in the area D outside pipe in step S1
Fixed liner plate.
Optionally, the liner plate is inserted into the weld seam and fixed, and insertion portion is between the 1/6-1/4 of weld penetration.
Optionally, further include step S5 while welding inside pipe to the area D weld seam, detect the surface temperature of liner plate
Degree, and according to the temperature of welding position in backing surface temperature computation outlet pipe, when the temperature of welding position in pipe reaches highest threshold
When value, remind welding personnel adjustment welding rod in the residence time of welding position.
Optionally, in the pipe temperature of welding position calculation method are as follows:
T1=K (H1+H2) T2 (1+cos α)；
Wherein, T1 is the temperature of welding position in managing, and K is the thermal coefficient of pipe, and H1 is the wall thickness of supervisor, and H2 is that liner plate is thick
Degree, H3 are the wall thickness of branch pipe, and T2 is the surface temperature of the liner plate detected, and α is perpendicular to two root canals in the plane of weld line
Angle between the outer surface tangent line of material, β are the angle of supervisor and branch pipe, and θ is perpendicular to two root canal materials in the plane of weld line
Outer surface tangent line between angle in, angle of circumference of this on supervisor, γ be branch pipe cross section on angle step, γ ∈
(0 °, 180 °), d are the diameter of branch pipe, and D is the diameter of supervisor.
It optionally, further include step S6 while welding inside pipe to the area D weld seam, butt welding is practiced midwifery raw smog
Carry out smog recycling；
Wherein, step S6 the following steps are included:
S61, air inducing, butt welding raw smog of practicing midwifery carry out direction of motion guidance in the form of negative pressure, during guidance with
The alternate mode of expansion and contraction carries out；
S62, while expansion, butt welding raw smog of practicing midwifery is filtered；
S63 recycles the smog atomized water spray depositing dust of filtration residue.
Optionally, step S6 carries out smog recycling using the smog that following smog recyclable device butt welding is practiced midwifery raw:
The smog recyclable device includes:
Hollow shell, the hollow shell are arc-shaped structure；
Described hollow shell one end is provided with air inlet；
The other end of the hollow shell is provided with air outlet, the air outlet be it is inclined, the top of air outlet is extremely
The distance of the hollow shell be less than the bottom of air outlet to it is hollow can body distance；
The hollow enclosure interior is provided with multiple recessed portions, is equipped with filter device on the recessed portion；
In the hollow shell, sewage sump is installed close to the position of the air outlet, the sewage sump is located at described
The bottom of shell；
The top of the sewage sump is provided with water jet close to the position of the air outlet, installs on the hollow shell
There are water jet, water jet described in the outlet face of the water jet；
Exhaust fan is removably connected on the air outlet.
Optionally, the air inlet inner circumferential successively installs multiple sheet rubbers, and the EDGE CONTACT of adjacent sheet rubber is formed
Enclosed construction is located at being fixed with for stopping sheet rubber blocking to air inlet movement outside for sheet rubber on the air inlet
Net.
Optionally, the filter device is filter screen.
Intersection welding seam welding method provided by the invention is conducive to welding rod melting by the area the D fixation liner plate outside pipe
It seeps afterwards along weld seam to pipe exosmosis, by being welded inside pipe to the area D weld seam, so that being seeped after welding rod melting along weld seam
It is thoroughly outer to managing, very big face of weld will not be formed in the transition region in the area C to D, and by the repair welding outside pipe, make the area C
It is formed and is seamlessly transitted with the area D transitional region, both met the security requirement of structure, perception is also preferable, and back of weld
Do not allow to tend to have longer stress concentration region, is conducive to structure safety.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by written explanation
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the perspective view of huge column and huge diagonal brace；
Fig. 2 is a kind of flow chart of intersection welding seam welding method in the embodiment of the present invention；
Fig. 3 is the parameter indexing figure in the embodiment of the present invention in calculation formula；
Fig. 4 is a kind of structural schematic diagram of smog recyclable device in the embodiment of the present invention；
Fig. 5 is a kind of positive structure schematic of the air inlet of smog recyclable device in the embodiment of the present invention；
Fig. 6 is a kind of side structure schematic diagram of the air inlet of smog recyclable device in the embodiment of the present invention；
Wherein, hollow shell -11；Air inlet -11-1；Air outlet -11-2；Recessed portion -11-3；Filter device -11-4；
Sewage sump -11-5；Water jet -11-6；Water jet -12；Exhaust fan -14；Sheet rubber -15；Block net 16；
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
The embodiment of the invention provides a kind of intersection welding seam welding methods, referring to fig. 2, comprising the following steps:
S1, outside pipe the area D fix liner plate, wherein the fixation of liner plate be it is well known to those skilled in the art, herein no longer
It repeats；
S2 welds the area D weld seam inside pipe；
S3, back chipping remove liner plate, and the repair welding outside pipe makes the area C and the area D transitional region form smooth transition.
The principle of above-mentioned technical proposal and have the beneficial effect that intersection welding seam welding method provided by the invention, by
The fixed liner plate in the area D outside pipe is conducive to seep along weld seam to pipe exosmosis after welding rod melting, by inside pipe to the area D weld seam into
Row welding will not be formed very big so that infiltrating into outside pipe after welding rod melting along weld seam in the transition region in the area C to D
Face of weld, and by the repair welding outside pipe, so that the area C and the area D transitional region is formed smooth transition, both meets the safety of structure
Property require, perception is also preferable, and back of weld is not allowed to tend to have longer stress concentration region yet, be conducive to structure safety.
Future facilitates staff to weld in pipe, before step S2, before can be step S1, is also possible to step
Further include step S4 after S1, the area A, the area B and the area C weld seam is welded in pipe outside or inside, in this way, first by branch pipe
It is fixed on supervisor roughly, when not needing additionally to take bracing reinforcement measure that can prevent staff from operating in pipe, branch pipe
Welding is influenced relative to supervisor's offset.
It should also include the area A, B outside pipe while liner plate is fixed in the area D outside pipe in step S1 in actual welding
The fixed liner plate in area and the area C, to make to form level-one full penetration weld after having welded.
As a preferred solution, the mode of repair welding is preferred outside pipe are as follows: the form repair welding of fillet weld is pressed outside pipe.
In the application, the insertion portion that the liner plate is inserted into the weld seam is preferably weld penetration (namely branch tube thickness)
1/6-1/4 between, liner plate can be generally welded on supervisor, and when disassembly need to only be beaten.
During actual welding, the excessively high weld local location that will cause of the temperature of welding position is impaired, influences to weld
The fastness at place detects liner plate for this purpose, step S5 has also been devised while applicant welds the area D weld seam inside pipe
Surface temperature, and according to the temperature of welding position in backing surface temperature computation outlet pipe, when the temperature of welding position in pipe reaches
When to highest threshold value, welding personnel adjustment welding rod is reminded to draw quicker, inspection in the residence time of welding position, that is, when arcing
Existing infrared temperature detector can be used in the surface temperature for surveying liner plate, and prompting can be external staff and manually remind, can also
To connect processor and communication device by setting intelligent reminding, such as infrared temperature detector, through communication device in pipe
When the temperature of welding position reaches highest threshold value, mobile communication with internal work personnel has reached the purpose of prompting, herein not
It is specifically limited.
In the application, a kind of opposite calculation method for accurately calculating the temperature of welding position in pipe is had also been devised in applicant:
T1=K (H1+H2) T2 (1+cos α)；
Wherein, T1 is the temperature of welding position in managing, and K is the thermal coefficient of pipe, and H1 is the wall thickness of supervisor, and H2 is that liner plate is thick
Degree, liner plate is preferred to be made with the consistent material of tube material, and H3 is the wall thickness of branch pipe, and T2 is the surface temperature of the liner plate detected
Degree, α are perpendicular to the angle between the outer surface tangent line of two root canal materials in the plane of weld line, and β is the angle of supervisor and branch pipe,
θ is angle of circumference of this on supervisor perpendicular in the angle between the outer surface tangent line of two root canal materials in the plane of weld line,
γ is the angle step on branch pipe cross section, and γ ∈ (0 °, 180 °), preferably 0 ° or 180 °, d is the diameter of branch pipe, and D is supervisor's
Diameter, wherein partial parameters can refer to Fig. 3.
When staff welds in pipe, the smog for welding generation is not easy outside rapid discharge pipe, will affect in pipe first
The health of staff, secondly smog aggregation can also block staff's sight to a certain extent, influence staff
Welding, for this purpose, in one embodiment, applicant has also done following design: being welded inside pipe to the area D weld seam
Meanwhile further including step S6, the smog that butt welding is practiced midwifery raw carries out smog recycling；
Wherein, step S6 the following steps are included:
S61, air inducing, butt welding raw smog of practicing midwifery carry out direction of motion guidance in the form of negative pressure, during guidance with
The alternate mode of expansion and contraction carries out；
S62, while expansion, butt welding raw smog of practicing midwifery is filtered；
S63 recycles the smog atomized water spray depositing dust of filtration residue.
Wherein, step S6 can be used the smog that following smog recyclable device butt welding is practiced midwifery raw and carry out smog recycling:
Referring to fig. 4, the smog recyclable device includes:
Hollow shell 11, the hollow shell are arc-shaped structure；
Described hollow shell one end is provided with air inlet 11-1；
The other end of the hollow shell is provided with air outlet 11-2, and the air outlet is inclined, the top of air outlet
The distance of portion to the hollow shell be less than the bottom of air outlet to it is hollow can body distance；
The hollow enclosure interior is provided with multiple recessed portion 11-3, is equipped with filter device 11- on the recessed portion
4, the preferred filter screen of filter device；
In the hollow shell, the position close to the air outlet is equipped with sewage sump 11-5, and the sewage sump is located at
The bottom of the shell；
The top of the sewage sump is provided with water jet 11-6 close to the position of the air outlet, on the hollow shell
Water jet 12, water jet 13 described in the outlet face of the water jet are installed；
Exhaust fan 14 is removably connected on the air outlet.
The principle of above-mentioned technical proposal and have the beneficial effect that can be in by the operating of the exhaust fan that is installed on air outlet
In the smog mechanism air inlet suction casing for being generated welding in the form of negative pressure in empty shell, due to hollow enclosure interior
It is provided with recessed portion, therefore, smog can be expanded when flowing through recessed portion to recessed portion, and air velocity slows down, and encounters filter screen
Afterwards, it is easy to be stopped to fall by filter screen, falls to the bottom of corresponding recessed portion, when air-flow is after recess, air-flow is by longitudinal direction
Compression, transverse flow speed are accelerated, in this way, smoke flow passes through multiple recess, flow in such a way that expansion and contraction are alternate, and expanding
It is filtered while opening, filter effect is preferable, and air-flow after filtering still has smog residual in order to prevent, can pass through water jet pair
The water spray dust above residual smog, smoke particle is prevented in hollow housing, and air humidifier also can be used in water jet,
Last water flow collects in sewage sump, wherein and water jet is set to the top of sewage sump close to the position of the air outlet, this
Sample, the smog residual that the water mist of ejection intercepts is more, be first water mist during the falling process, by a part without smog
Residual intercepts in advance, followed by intercepts by the smog residual at water jet, is carried out in two steps, interception effect is more preferable.
In actual use, the moment for closing exhaust fan since Inertia in Airflow air inlet still has air-flow entrance, and goes out
Negative pressure traction air-flow is had no at air port, to re-form rebound after increasing hollow enclosure interior gas local pressure to air inlet
Mouth flowing, and then the smog for entering hollow enclosure interior is carried out, for this purpose, applicant has also done following design, referring to
Fig. 5 and Fig. 6, the air inlet inner circumferential successively install multiple sheet rubbers 15, and the EDGE CONTACT of adjacent sheet rubber forms closing
Structure is located at being fixed with for stopping sheet rubber to block net 16 to air inlet movement outside for sheet rubber on the air inlet,
The diameter for blocking the mesh of net will be far longer than the diameter of filter screen, block net can be fixed on by fixation hole 17 shell into
At air port, certainly, sheet rubber is also possible to fix in this way, is also possible to be embedded in or be bonded on air inlet inner wall, this
Place is not specifically limited.
The working principle and beneficial effect of above-mentioned technical proposal are as follows: this structure, in exhaust fan operating, due in shell
Interior formation negative pressure, therefore by sheet rubber to interior suction, air inlet is opened, and when closing exhaust fan moment, sheet rubber restores to the original state, and
Being against to block by rebound airflow function closes air inlet on the net, and rebound air-flow is repelled again, eventually passes through multiple filterings
Net is finally discharged by air outlet, so that rebound air-flow be prevented to be carried out untreated smog from air inlet.
Certainly, in actual use, which can also be fixed on bracket and is used, not be this hair herein
Bright design focal point, therefore repeat no more.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of intersection welding seam welding method, which comprises the following steps:
S1, liner plate is fixed in the area D outside pipe；
S2 welds the area D weld seam inside pipe；
S3, back chipping remove liner plate, and the repair welding outside pipe makes the area C and the area D transitional region form smooth transition.
2. intersection welding seam welding method according to claim 1, which is characterized in that further include step before step S2
Rapid S4 welds the area A, the area B and the area C weld seam in pipe outside or inside.
3. intersection welding seam welding method according to claim 1, which is characterized in that the mode of repair welding outside pipe are as follows:
The form repair welding of fillet weld is pressed outside pipe.
4. intersection welding seam welding method according to claim 1 or 2, which is characterized in that in step S1,
It further include the fixed liner plate in the area A, the area B and the area C outside pipe while liner plate is fixed in the area D outside pipe.
5. intersection welding seam welding method according to claim 1, which is characterized in that
The liner plate is inserted into the weld seam and fixes, and insertion portion is between the 1/6-1/4 of weld penetration.
6. intersection welding seam welding method according to claim 1, which is characterized in that carried out inside pipe to the area D weld seam
While welding, further include step S5, detect the surface temperature of liner plate, and according to being welded in backing surface temperature computation outlet pipe
The temperature of position reminds welding personnel adjustment welding rod in welding position when the temperature of welding position in pipe reaches highest threshold value
Residence time.
7. intersection welding seam welding method according to claim 6, which is characterized in that the temperature of welding position in the pipe
Calculation method are as follows:
T1=K (H1+H2) T2 (1+cos α)；
Wherein, T1 is the temperature of welding position in managing, and K is the thermal coefficient of pipe, and H1 is the wall thickness of supervisor, and H2 is liner plate thickness,
H3 is the wall thickness of branch pipe, and T2 is the surface temperature of the liner plate detected, and α is perpendicular to two root canal materials in the plane of weld line
Angle between the tangent line of outer surface, β are the angle of supervisor and branch pipe, and θ is perpendicular to the outer of two root canal materials in the plane of weld line
In angle between surface tangent, angle of circumference of this on supervisor, γ be branch pipe cross section on angle step, γ ∈ (0 °,
180 °), d is the diameter of branch pipe, and D is the diameter of supervisor.
8. intersection welding seam welding method according to claim 1, which is characterized in that carried out inside pipe to the area D weld seam
It while welding, further include step S6, the smog that butt welding is practiced midwifery raw carries out smog recycling；
Wherein, step S6 the following steps are included:
S61, air inducing, butt welding raw smog of practicing midwifery carry out direction of motion guidance in the form of negative pressure, with expansion during guidance
It is carried out with alternate mode is shunk；
S62, while expansion, butt welding raw smog of practicing midwifery is filtered；
S63 recycles the smog atomized water spray depositing dust of filtration residue.
9. intersection welding seam welding method according to claim 8, which is characterized in that step S6 is returned using following smog
The smog that receiving apparatus butt welding is practiced midwifery raw carries out smog recycling:
The smog recyclable device includes:
Hollow shell (11), the hollow shell are arc-shaped structure；
Described hollow shell one end is provided with air inlet (11-1)；
The other end of the hollow shell is provided with air outlet (11-2), and the air outlet is inclined, the top of air outlet
To the hollow shell distance be less than the bottom of air outlet to it is hollow can body distance；
The hollow enclosure interior is provided with multiple recessed portions (11-3), is equipped with filter device (11- on the recessed portion
4)；
In the hollow shell, the position close to the air outlet is equipped with sewage sump (11-5), and the sewage sump is located at institute
State the bottom of shell；
The top of the sewage sump is provided with water jet (11-6) close to the position of the air outlet, is pacified on the hollow shell
Equipped with water jet (12), water jet described in the outlet face of the water jet；
Exhaust fan (14) are removably connected on the air outlet.
10. intersection welding seam welding method according to claim 9, which is characterized in that
The air inlet inner circumferential is successively installed multiple sheet rubbers (15), and the EDGE CONTACT of adjacent sheet rubber forms closing knot
Structure is located at being fixed with for stopping sheet rubber to block net (16) to air inlet movement outside for sheet rubber on the air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811210324.2A CN109396678B (en) | 2018-10-17 | 2018-10-17 | Intersecting line weld joint welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811210324.2A CN109396678B (en) | 2018-10-17 | 2018-10-17 | Intersecting line weld joint welding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109396678A true CN109396678A (en) | 2019-03-01 |
| CN109396678B CN109396678B (en) | 2021-05-18 |
Family
ID=65467432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811210324.2A Active CN109396678B (en) | 2018-10-17 | 2018-10-17 | Intersecting line weld joint welding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109396678B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146014A (en) * | 2021-04-15 | 2021-07-23 | 广西天正钢结构有限公司 | Diffusion welding method for pipe and pipe welding structure |
| CN116727998A (en) * | 2023-08-14 | 2023-09-12 | 河北宾宏石化设备有限公司 | Oblique tee bend pipe fitting fixed-position welding equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0060382A1 (en) * | 1981-03-13 | 1982-09-22 | Klöckner-Werke Aktiengesellschaft | Process and appliance for welding two hollow bodies along their intersection curves |
| CN201021502Y (en) * | 2007-01-05 | 2008-02-13 | 陈广丰 | Multi-purpose flow pressure discharge device, cleaner, water sprayer and multi-purpose sprayer |
| US20100126969A1 (en) * | 2008-05-19 | 2010-05-27 | Charles Klangos | System and Method for Weld Removal, Cutting, and Gouging With Vacuum Removal of Byproducts |
| CN101961810A (en) * | 2009-07-24 | 2011-02-02 | 王正怡 | Construction method for manufacturing multi-pipe intersecting steel pipe component |
| CN105234568A (en) * | 2015-04-30 | 2016-01-13 | 浙江精工钢结构集团有限公司 | Whole plate thick penetration welding method for intersection joint of circular tube |
| CN105522301A (en) * | 2014-10-25 | 2016-04-27 | 西安越度机电科技有限公司 | Automatic workpiece welding state monitoring method |
| CN106112179A (en) * | 2016-08-22 | 2016-11-16 | 京信通信技术(广州)有限公司 | Entirety adds hot welding equipment and method |
| CN108453340A (en) * | 2018-03-23 | 2018-08-28 | 上海拓直汽车科技有限公司 | A kind of welding method of steel construction TKY nodes |
-
2018
- 2018-10-17 CN CN201811210324.2A patent/CN109396678B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0060382A1 (en) * | 1981-03-13 | 1982-09-22 | Klöckner-Werke Aktiengesellschaft | Process and appliance for welding two hollow bodies along their intersection curves |
| CN201021502Y (en) * | 2007-01-05 | 2008-02-13 | 陈广丰 | Multi-purpose flow pressure discharge device, cleaner, water sprayer and multi-purpose sprayer |
| US20100126969A1 (en) * | 2008-05-19 | 2010-05-27 | Charles Klangos | System and Method for Weld Removal, Cutting, and Gouging With Vacuum Removal of Byproducts |
| CN101961810A (en) * | 2009-07-24 | 2011-02-02 | 王正怡 | Construction method for manufacturing multi-pipe intersecting steel pipe component |
| CN105522301A (en) * | 2014-10-25 | 2016-04-27 | 西安越度机电科技有限公司 | Automatic workpiece welding state monitoring method |
| CN105234568A (en) * | 2015-04-30 | 2016-01-13 | 浙江精工钢结构集团有限公司 | Whole plate thick penetration welding method for intersection joint of circular tube |
| CN106112179A (en) * | 2016-08-22 | 2016-11-16 | 京信通信技术(广州)有限公司 | Entirety adds hot welding equipment and method |
| CN108453340A (en) * | 2018-03-23 | 2018-08-28 | 上海拓直汽车科技有限公司 | A kind of welding method of steel construction TKY nodes |
Non-Patent Citations (2)
| Title |
|---|
| 中国建筑业协会组织编写: "《创建鲁班奖工程细部做法指导》", 30 April 2014 * |
| 广东省土木建筑学会编: "《广东土木工程施工关键技术实例 2007-2013》", 30 November 2013 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146014A (en) * | 2021-04-15 | 2021-07-23 | 广西天正钢结构有限公司 | Diffusion welding method for pipe and pipe welding structure |
| CN116727998A (en) * | 2023-08-14 | 2023-09-12 | 河北宾宏石化设备有限公司 | Oblique tee bend pipe fitting fixed-position welding equipment |
| CN116727998B (en) * | 2023-08-14 | 2023-10-13 | 河北宾宏石化设备有限公司 | Oblique tee bend pipe fitting fixed-position welding equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109396678B (en) | 2021-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109396678A (en) | A kind of intersection welding seam welding method | |
| CN205677658U (en) | Coal mine gas extraction pipeline deslagging, dedusting, the Trinity that discharges water device | |
| CN106051467B (en) | A kind of gas-water separation back-fire relief explosion venting device | |
| CN109139078A (en) | A kind of tunnel ventilation smoke evacuation system | |
| CN206139835U (en) | Metal 3D prints fuel detonation suppressant system | |
| CN205370686U (en) | Water -cooled noise eliminator | |
| CN107091514A (en) | A kind of system of indoor automatic window ventilation | |
| CN106932243A (en) | A kind of active suction-type oral nose mask for alcohol content tester | |
| CN205747441U (en) | A kind of air-conditioner with cleaning function | |
| CN208687810U (en) | Denoising device and kitchen ventilator | |
| CN210861664U (en) | Noise reduction device for water-cooling cold water air conditioning system | |
| CN208535235U (en) | A kind of fire-proof valve for flue | |
| CN207990899U (en) | A kind of controller for monitoring indoor air quality | |
| CN105464557B (en) | Door and window | |
| CN206638470U (en) | A kind of active suction-type oral nose mask for alcohol content tester | |
| CN110439692A (en) | Engine blower air inlet device | |
| CN209163692U (en) | A kind of fire exit door | |
| CN215113999U (en) | Smoke and air duct steel structure | |
| CN205650985U (en) | Air blown type welds cigarette dust extraction | |
| CN208889223U (en) | One kind can close protection audio-video screen apparatus | |
| CN206315584U (en) | A kind of dust arrester for preventing dust settling pocket from blocking | |
| CN211082405U (en) | Bent angle static pressure box of axial flow fan | |
| CN217410122U (en) | Construction dust-proof equipment | |
| CN218717595U (en) | Backward-inclined impeller centrifugal fan | |
| CN208310837U (en) | Ejectment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |