CN112719759A - Be applied to return bend welded omnidirectional cooling location frock - Google Patents

Be applied to return bend welded omnidirectional cooling location frock Download PDF

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Publication number
CN112719759A
CN112719759A CN202110073806.3A CN202110073806A CN112719759A CN 112719759 A CN112719759 A CN 112719759A CN 202110073806 A CN202110073806 A CN 202110073806A CN 112719759 A CN112719759 A CN 112719759A
Authority
CN
China
Prior art keywords
cooling
positioning
welded
extension arm
elbow
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
Application number
CN202110073806.3A
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Chinese (zh)
Inventor
徐进
周芳
杨松
付强林
王颖斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
South East Aluminum Co ltd
Original Assignee
South East Aluminum Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by South East Aluminum Co ltd filed Critical South East Aluminum Co ltd
Priority to CN202110073806.3A priority Critical patent/CN112719759A/en
Publication of CN112719759A publication Critical patent/CN112719759A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426Fixtures for other work
    • B23K37/0435Clamps
    • B23K37/0443Jigs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/003Cooling means

Abstract

The invention discloses an omnidirectional cooling positioning tool applied to elbow welding. Including being used for the support to treat the frock base of welding elbow, frock base extends along vertical direction, treat that the welding elbow is fixed at frock base along vertical direction, bottom portion at frock base is provided with and is used for supporting and the cooling to treat the cooling bearing structure of welding elbow, the bottom of welding elbow is treated along vertical direction upwards support to the cooling bearing structure, two cooling bearing structure treat the both ends of welding elbow along the fixed in that the horizontal direction is relative, the cooling bearing structure includes first locating piece, the lateral wall of first locating piece fixed connection frock base, the bottom face of welding elbow is treated to first locating piece butt, the setting of two first locating piece symmetries is at work base, and two first locating piece mutual fixed connection. The invention can cool the product to be welded during welding, and ensure that the welding point is kept in a normal temperature state during product welding, thereby avoiding the problems of deterioration or deformation of the product caused by temperature rise and the like.

Description

Be applied to return bend welded omnidirectional cooling location frock
Technical Field
The invention relates to the technical field of welding tools, in particular to an omnidirectional cooling positioning tool applied to elbow welding.
Background
With the continuous development of industrial technology, the application range of aluminum alloy products is more and more extensive, and because the aluminum alloy products have the characteristics of light weight, good heat dissipation and the like, some industrial equipment gradually replaces the traditional iron products and stainless steel products, is widely applied to the aviation, aerospace, automobile, mechanical manufacturing, ships and chemical industry, and has increasingly increased requirements on welding structural parts along with the rapid development of scientific technology and industrial economy in recent years, so that the weldability research of the aluminum alloy is also deep. The wide application of the aluminum alloy promotes the development of the aluminum alloy welding technology, and meanwhile, the development of the welding technology expands the application field of the aluminum alloy, so that the aluminum alloy welding technology is becoming one of the hot spots of research.
In the welding process of the aluminum alloy, the welding seam and the temperature near the welding seam are very high due to uneven heating, after cooling, the welding seam generates shrinkage and internal stress (longitudinal internal stress and transverse internal stress) in different degrees, so that various deformations are generated in a welding structure, and the control of the welding deformation of the aluminum alloy is more difficult than that of a carbon steel structure because the thermal conductivity of aluminum is 3 times that of steel. The volume change caused by the transformation of the grain structure inside the aluminum alloy may also cause the deformation of the weldment, which is the root cause of the generation of welding stress and deformation. And the temperature of the aluminum material is more than 200 ℃ during welding, the aluminum material is reddish and brittle, and the temperature of a plurality of aluminum materials in the prior art is generally more than 300 ℃.
Therefore, it is especially important to develop a cooling and positioning tool applied to elbow welding.
Disclosure of Invention
Aiming at the defects of the prior art, the invention discloses an omnidirectional cooling positioning tool applied to elbow welding, which can solve the problems that the existing tool lacks a cooling function in the welding process and is not beneficial to the stable operation of the welding process. The welding method has the advantages that products to be welded are cooled during welding, and the welding points are kept at a normal temperature state during product welding, so that the problems of deterioration or deformation of the products due to temperature rise are avoided.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an omnidirectional cooling positioning tool applied to elbow welding comprises a tool base for supporting an elbow to be welded and a fan for blowing cold air to the tool base for cooling, wherein the tool base extends along the vertical direction, the elbow to be welded is fixed on the tool base along the vertical direction, a cooling supporting structure for supporting and cooling the elbow to be welded is arranged at the bottom end part of the tool base, the cooling supporting structure upwards supports the bottom end of the elbow to be welded along the vertical direction, the two cooling supporting structures oppositely fix the two ends of the elbow to be welded along the horizontal direction, the cooling supporting structure comprises first positioning blocks, the first positioning blocks are fixedly connected with the side wall of the tool base, the first positioning blocks are abutted against the bottom end face of the elbow to be welded, and the two first positioning blocks are symmetrically arranged on the working base, and the two first positioning blocks are fixedly connected with each other.
Further preferably, the inside cavity of first locating piece sets up, first locating piece intercommunication has first cooling water inlet, first cooling water inlet intercommunication has cooling water pump, first locating piece still communicates first cooling water outlet, first cooling water outlet intercommunication has recovery tank, cooling water pump with recovery tank intercommunication.
Further preferably, the top end of the tooling base is provided with a positioning support structure for positioning the elbow to be welded, the positioning support structure is abutted against the top end of the elbow to be welded downwards along the vertical direction, the tooling base is located the cooling support structure and a positioning clamping structure is arranged between the positioning support structures, the positioning clamping structure is arranged along the horizontal direction at the outer side wall of the tooling base for clamping the outer side wall of the elbow to be welded, and the positioning clamping structures are fixed along the horizontal direction in opposite directions to fix the elbow to be welded.
Further preferably, the cooling support structure further comprises a second positioning block, the second positioning block is fixedly connected with the side wall of the tool base, the second positioning block abuts against the two sides of the elbow to be welded, the second positioning block is symmetrically arranged on the working base, and the second positioning block is fixedly connected with the second positioning block.
Preferably, the second positioning block is fixedly connected with a corner cylinder, the corner cylinder is fixedly connected with a corner positioning block, the corner cylinder drives the corner positioning block to rotate so as to fix two sides of the bent pipe to be welded, and the corner cylinder is connected with a cylinder switch.
Further preferably, location bearing structure includes first extension arm and second extension arm, first extension arm with the frock base rotates to be connected, the second extension arm with the frock base rotates to be connected, first extension arm with the second extension arm rotates to be connected, first extension arm drive the top portion of welding the return bend is treated in the butt of second extension arm.
Further preferably, the positioning and clamping structure comprises a third extension arm and a fourth extension arm, the third extension arm is rotatably connected with the tooling base, the fourth extension arm is rotatably connected with the tooling base, the third extension arm is rotatably connected with the fourth extension arm, and the third extension arm drives the fourth extension arm to abut against the side surface of the elbow to be welded.
Further preferably, one end, away from the third extension arm, of the fourth extension arm is fixedly connected with a cooling positioning block, the cooling positioning block abuts against the side face of the to-be-welded bent pipe, the cooling positioning block and the side face of the tool base clamp the to-be-welded bent pipe together, and the two cooling positioning blocks clamp the to-be-welded bent pipe together from two sides of the to-be-welded bent pipe.
Preferably, the cooling positioning block is arranged in a hollow mode, the cooling positioning block is communicated with a second cooling water inlet, the second cooling water inlet is communicated with a cooling water pump, the cooling positioning block is further communicated with a second cooling water outlet, the second cooling water outlet is communicated with a recovery water tank, and the cooling water pump is communicated with the recovery water tank.
Further preferably, the elbow is made of an aluminum alloy material.
The invention has the beneficial effects that:
the omnidirectional cooling positioning tool applied to elbow welding can realize the supporting effect and the cooling effect of the elbow to be welded at the bottom end part of the elbow to be welded through the arranged cooling positioning structure, and particularly, the cooling positioning structure can realize the supporting and the cooling of the elbow to be welded simultaneously from the bottom end and two sides of the elbow to be welded, so that the influence of high welding temperature on the elbow to be welded can be reduced; the positioning support structure can realize the positioning effect on the bent pipe to be welded at the top end part of the bent pipe to be welded, and particularly, the positioning support structure is abutted against the top end part of the bent pipe to be welded, so that the positioning support structure and the cooling positioning structure can realize positioning and supporting at two end parts of the bent pipe to be welded simultaneously, and the falling off of the bent pipe to be welded can be avoided; the air cooling device, namely the fan, is designed to weld the short pipe, so that the problem of poor cooling effect caused by insufficient water cooling is avoided, and the cooling effect is better when the air cooling device is used in a matched manner;
the positioning and clamping structure can simultaneously clamp the to-be-welded bent pipe on the outer side walls of the two sides of the to-be-welded bent pipe and the side wall of the tool base, and particularly, after the positioning and clamping structure finishes clamping the cooling positioning structure and the positioning supporting structure, the to-be-welded bent pipe is further positioned from the outer side surface of the to-be-welded bent pipe, so that the warping deformation of the to-be-welded bent pipe relative to the tool base can be reduced. Through the cooling positioning structure arranged on the tool base, the product in the easily-deformed area is cooled in time in the welding process, so that the product is welded at a state of relative normal temperature at any time, the internal stress of the product caused by welding heat is greatly reduced, and the welding deformation is reduced from the source;
the cooling positioning block is communicated with the cooling water inlet, the cooling water outlet, the recovery water tank, the cooling water pump and the like, so that a product to be welded is cooled during welding, the welding point is kept in a normal temperature state during product welding, and the problems of deterioration or deformation of the product due to temperature rise are avoided. The omnidirectional cooling positioning tool has the advantages of simple structure, convenience in operation, good heat dissipation effect and high working efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a perspective view of an embodiment of the present invention;
FIG. 3 is a right side view of an embodiment of the present invention;
fig. 4 is a rear view of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, the omnidirectional cooling positioning fixture applied to elbow welding according to the embodiment of the present invention includes a fixture base 1 for supporting an elbow to be welded and a fan for blowing cold air to the fixture base 1 for cooling, the fixture base 1 extends in a vertical direction, the elbow to be welded is fixed to the fixture base 1 in the vertical direction, a cooling support structure 2 for supporting and cooling the elbow to be welded is disposed at a bottom end of the fixture base 1, the cooling support structure 2 supports a bottom end of the elbow to be welded upward in the vertical direction, two cooling support structures 2 fix two ends of the elbow to be welded in a horizontal direction, a positioning support structure 3 for positioning the elbow to be welded is disposed at a top end of the fixture base 1, the positioning support structure 3 abuts against a top end of the elbow to be welded downward in the vertical direction, the tooling base 1 is located be provided with positioning and clamping structure 4 between cooling bearing structure 2 and the positioning bearing structure 3, positioning and clamping structure 4 is in along the horizontal direction the lateral wall of tooling base 1 presss from both sides the lateral wall of waiting to weld the return bend, two positioning and clamping structure 4 is along the fixed return bend of waiting to weld of horizontal direction opposite.
It is easy to understand that the elbow is made of aluminum alloy material. The temperature is greater than 200 degrees when the aluminum product is welded, and the aluminum product nature can turn red, become fragile this moment, and several aluminum product general temperatures during welding among the prior art can be greater than 300 degrees, and the water injection is to cooling bearing structure 2 the inside in this embodiment, realizes the purpose of cooling, prevents that the aluminum product nature from changing.
The cooling positioning structure can realize the supporting effect and the cooling effect on the elbow to be welded at the bottom end part of the elbow to be welded, and particularly, the cooling positioning structure can realize the supporting and the cooling of the elbow to be welded simultaneously from the bottom end and the two sides of the elbow to be welded, so that the influence of high welding temperature on the elbow to be welded can be reduced.
The positioning effect of treating the welding return bend can be realized treating the top portion of welding return bend through the location bearing structure 3 that sets up, and is specific, and the top portion of welding return bend is treated to 3 butts of location bearing structure to with the cooling location structure realize location and support simultaneously treating two tip of welding return bend, can avoid treating the drop of welding return bend.
The clamping effect of treating the welding return bend can be realized simultaneously at the lateral wall of treating the both sides of welding return bend and the lateral wall of frock base 1 through the positioning clamping structure 4 that sets up, and is specific, and the positioning clamping structure 4 is after cooling location structure and the 3 clamping of location bearing structure are accomplished, treats the welding return bend from the further location of the lateral surface of treating the welding return bend, can reduce the warpage that treats the relative frock base 1 production of welding return bend.
In order to realize the supporting effect of cooling bearing structure 2 treating the welding return bend bottom, cooling bearing structure 2 includes first locating piece 21, first locating piece 21 fixed connection the lateral wall of fixture base 1, the bottom face of welding return bend is treated in first locating piece 21 butt, two the setting of first locating piece 21 symmetry is in work base, and two first locating piece 21 mutual fixed connection.
Treat the cooling action of welding return bend bottom in order to realize cooling bearing structure 2, the inside cavity of first locating piece 21 sets up, first locating piece 21 intercommunication has first cooling water inlet 211, first cooling water inlet 211 intercommunication has cooling water pump, first locating piece 21 still communicates has first cooling water outlet 212, first cooling water outlet 212 intercommunication has recovery tank, cooling water pump with recovery tank intercommunication.
In order to realize that cooling bearing structure 2 treats fixed and supporting role at welding return bend both ends, cooling bearing structure 2 still includes second locating piece 22, second locating piece 22 fixed connection the lateral wall of fixture base 1, the both sides of welding return bend are treated to second locating piece 22 butt, two the setting of second locating piece 22 symmetry is in work base, and two second locating piece 22 mutual fixed connection.
In order to further realize the fixing and supporting functions of the cooling support structure 2 on two ends of the to-be-welded bent pipe, the second positioning block 22 is fixedly connected with a corner cylinder 23, the corner cylinder is fixedly connected with a corner positioning block 24, the corner cylinder drives the corner positioning to rotate so as to fix two sides of the to-be-welded bent pipe, and the corner cylinder is connected with a cylinder switch 25.
In order to realize the positioning action that positioning support structure 3 treats the welding return bend in vertical direction, positioning support structure 3 includes first extension arm 31 and second extension arm 32, first extension arm 31 with frock base 1 rotates the connection, second extension arm 32 with frock base 1 rotates the connection, first extension arm 31 with second extension arm 32 rotates the connection, first extension arm 31 drive the top portion of welding return bend is treated to second extension arm 32 butt.
In order to realize the clamping effect on the elbow to be welded on the side surface of the elbow to be welded, the positioning and clamping structure 4 comprises a third extension arm 41 and a fourth extension arm 42, the third extension arm 41 is rotatably connected with the tooling base 1, the fourth extension arm 42 is rotatably connected with the tooling base 1, the third extension arm 41 is rotatably connected with the fourth extension arm 42, and the third extension arm 41 drives the fourth extension arm 42 to abut against the side surface of the elbow to be welded.
In order to realize the cooling effect on the bent pipe to be welded on the side surface of the bent pipe to be welded, a cooling positioning block 43 is fixedly connected to one end of the fourth extension arm 42, which is far away from the third extension arm 41, the cooling positioning block 43 abuts against the side surface of the bent pipe to be welded, the cooling positioning block 43 and the side surface of the tool base 1 clamp the bent pipe to be welded together, and the two cooling positioning blocks 43 clamp the bent pipe to be welded together from two sides of the bent pipe to be welded.
In order to further realize the cooling effect on the bent pipe to be welded on the side surface of the bent pipe to be welded, the cooling positioning block 43 is arranged in a hollow mode, the cooling positioning block 43 is communicated with a second cooling water inlet 431, the second cooling water inlet 431 is communicated with a cooling water pump, the cooling positioning block 43 is further communicated with a second cooling water outlet 432, the second cooling water outlet 432 is communicated with a recovery water tank, and the cooling water pump is communicated with the recovery water tank.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a be applied to return bend welded omnidirectional cooling location frock, including be used for supporting treat the frock base of welding the return bend with be used for to the frock base blows off cold wind and carries out the fan that cools down, frock base extends along vertical direction, treats that the welding return bend is fixed along vertical direction frock base, its characterized in that: the bottom end of the tooling base is provided with a cooling support structure used for supporting and cooling a to-be-welded elbow, the cooling support structure upwards supports the bottom end of the to-be-welded elbow along the vertical direction, the cooling support structure is fixed along the horizontal direction in the opposite direction to two ends of the to-be-welded elbow, the cooling support structure comprises a first positioning block, the first positioning block is fixedly connected with the side wall of the tooling base, the first positioning block is abutted against the bottom end face of the to-be-welded elbow, the first positioning block is symmetrically arranged on the working base, and the first positioning block is fixedly connected with the working base.
2. The omnidirectional cooling positioning tool according to claim 1, wherein: the inside cavity setting of first locating piece, first locating piece intercommunication has first cooling water inlet, first cooling water inlet intercommunication has cooling water pump, first locating piece still communicates has first cooling water outlet, first cooling water outlet intercommunication has recovery tank, cooling water pump with recovery tank intercommunication.
3. The omnidirectional cooling positioning tool according to claim 1, wherein: the top end of the tooling base is provided with a positioning support structure used for positioning an elbow to be welded, the positioning support structure is downwards abutted to the top end of the elbow to be welded along the vertical direction, the tooling base is positioned between the cooling support structure and the positioning support structure, a positioning clamping structure is arranged between the cooling support structure and the positioning support structure along the horizontal direction, the side wall of the tooling base clamps the outer side wall of the elbow to be welded, and the two positioning clamping structures are oppositely fixed along the horizontal direction to fix the elbow to be welded.
4. The omnidirectional cooling positioning tool according to claim 3, wherein: the cooling support structure further comprises a second positioning block, the second positioning block is fixedly connected with the side wall of the tool base, the second positioning block is abutted to the two sides of the to-be-welded bent pipe, the second positioning block is symmetrically arranged on the working base, and the second positioning block is fixedly connected with the second positioning block.
5. The omnidirectional cooling positioning tool according to claim 4, wherein: the second positioning block is fixedly connected with a corner cylinder, the corner cylinder is fixedly connected with a corner positioning block, the corner cylinder drives the corner positioning block to rotate so as to fix two sides of the bent pipe to be welded, and the corner cylinder is connected with a cylinder switch.
6. The omnidirectional cooling positioning tool according to claim 3, wherein: the location bearing structure includes first extension arm and second extension arm, first extension arm with the frock base rotates to be connected, the second extension arm with the frock base rotates to be connected, first extension arm with the second extension arm rotates to be connected, the drive of first extension arm the top portion of welding the return bend is treated to the butt of second extension arm.
7. The omnidirectional cooling positioning tool according to claim 3, wherein: the positioning and clamping structure comprises a third extension arm and a fourth extension arm, the third extension arm is connected with the tooling base in a rotating mode, the fourth extension arm is connected with the tooling base in a rotating mode, the third extension arm is connected with the fourth extension arm in a rotating mode, and the third extension arm drives the side face of the elbow pipe to be welded, abutted to the fourth extension arm.
8. The omnidirectional cooling positioning tool according to claim 7, wherein: one end, deviating from the third extension arm, of the fourth extension arm is fixedly connected with a cooling positioning block, the cooling positioning block abuts against the side face of the to-be-welded bent pipe, the side faces of the cooling positioning block and the tool base clamp the to-be-welded bent pipe together, and the two cooling positioning blocks clamp the to-be-welded bent pipe together from two sides of the to-be-welded bent pipe.
9. The omnidirectional cooling positioning tool according to claim 8, wherein: the cooling positioning block is arranged in a hollow mode, the cooling positioning block is communicated with a second cooling water inlet, the second cooling water inlet is communicated with a cooling water pump, the cooling positioning block is further communicated with a second cooling water outlet, the second cooling water outlet is communicated with a recovery water tank, and the cooling water pump is communicated with the recovery water tank.
10. The omnidirectional cooling positioning tool according to any one of claims 1 to 3, wherein: the bent pipe is made of an aluminum alloy material.
CN202110073806.3A 2021-01-20 2021-01-20 Be applied to return bend welded omnidirectional cooling location frock Pending CN112719759A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110073806.3A CN112719759A (en) 2021-01-20 2021-01-20 Be applied to return bend welded omnidirectional cooling location frock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110073806.3A CN112719759A (en) 2021-01-20 2021-01-20 Be applied to return bend welded omnidirectional cooling location frock

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CN112719759A true CN112719759A (en) 2021-04-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115890126A (en) * 2022-12-12 2023-04-04 中铁建工集团有限公司 Auxiliary welding device and welding method for building steel pipe column

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115890126A (en) * 2022-12-12 2023-04-04 中铁建工集团有限公司 Auxiliary welding device and welding method for building steel pipe column

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