CN112025180A - T-shaped steel frame welding fixture - Google Patents
T-shaped steel frame welding fixture Download PDFInfo
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- CN112025180A CN112025180A CN202011033307.3A CN202011033307A CN112025180A CN 112025180 A CN112025180 A CN 112025180A CN 202011033307 A CN202011033307 A CN 202011033307A CN 112025180 A CN112025180 A CN 112025180A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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Abstract
The application discloses T shaped steel frame welding jig, including acting on fixed subassembly, the movable assembly at the both ends of T shaped steel frame minor face respectively, and act on the first side pressure subassembly of the long limit lateral part of T shaped steel frame, with the relative second side pressure subassembly that sets up of first side pressure subassembly is located the supporting component of the long limit bottom of T shaped steel frame is equipped with the roof pressure subassembly of roof pressure piece, the roof pressure piece acts on the long limit top of T shaped steel frame, and acts on the end pressure subassembly of the long limit tip of T shaped steel frame. The application provides a T shaped steel frame welding jig, the location is stable, and the skew can not take place for the welding seam is of high quality, and T shaped steel frame bulk strength is good.
Description
Technical Field
The application relates to the technical field of T-shaped steel frame welding, more specifically relates to a T-shaped steel frame welding fixture.
Background
The T-shaped steel frame is made of T-shaped steel, is named after the T-shaped steel frame has the same section as the English letter T, and has the advantages of strong bending resistance, simple construction, cost saving, light structure weight and the like. However, in order to meet the installation requirement, the traditional hot-rolled one-step formed T-shaped steel cannot meet the installation requirement, so that some components are usually welded into a T-shaped steel frame, the T-shaped steel frame has good structural and mechanical advantages, and the installation requirement can be met.
However, the welding of the T-shaped steel frame in the prior art mainly depends on manual positioning, but the stability of the manual positioning is low, so that the welding point is easy to deviate, and the overall strength of the T-shaped steel frame is further influenced.
Disclosure of Invention
For solving above-mentioned technical problem, this application provides a T shaped steel frame welding jig, and the location is stable, and the skew can not take place for the welding seam is of high quality, and T shaped steel frame bulk strength is good.
The technical scheme provided by the application is as follows:
a T-shaped steel frame welding fixture comprises a fixed assembly and a movable assembly, wherein the fixed assembly and the movable assembly respectively act on two ends of a short edge of a T-shaped steel frame;
the first lateral pressing assembly acts on the lateral part of the long edge of the T-shaped steel frame;
a second side pressing component arranged opposite to the first side pressing component;
the support assembly is positioned at the bottom of the long edge of the T-shaped steel frame;
the jacking component is provided with a jacking piece, and the jacking piece acts on the top of the long edge of the T-shaped steel frame;
and the end pressing component acts on the end part of the long edge of the T-shaped steel frame.
Preferably, the fixing device comprises a base, and the fixing component comprises a first mounting seat arranged on the base;
locate first compressing tightly the piece on the first mount pad, first compressing tightly the piece and acting on the tip of T shaped steel frame minor face.
Preferably, the movable assembly comprises a second pressing piece acting on the other end of the short side of the T-shaped steel frame;
the first connecting rod is connected with the second pressing piece;
the first sleeve is sleeved on the first connecting rod;
the second connecting rod is hinged with the first connecting rod at one end;
a third link hinged to the second link;
and the second mounting seat is hinged with the third connecting rod.
Preferably, the device comprises a bracket arranged on the base, and an L-shaped notch part is arranged on the bracket;
the first side pressing assembly is vertically arranged on the long edge of the L-shaped notch part;
the supporting component is vertically arranged on the short side of the L-shaped notch part.
Preferably, the number of the supports is two, and the first lateral pressing assembly and the supporting assembly are arranged on the two supports.
Preferably, the second side pressing assembly comprises a third pressing piece acting on the side part of the long side of the T-shaped steel frame;
a fourth link connected to the third pressing member;
the second sleeve is sleeved on the fourth connecting rod;
a fifth connecting rod with one end hinged with the fourth connecting rod;
a sixth link hinged to the fifth link;
and the third mounting seat is hinged with the sixth connecting rod.
Preferably, a fourth mounting seat is arranged between the two brackets,
the jacking assembly comprises a fifth mounting seat arranged on the fourth mounting seat;
the seventh connecting rod is hinged with the fifth mounting seat;
an eighth link hinged to the seventh link;
and the jacking piece is hinged with the ninth connecting rod.
Preferably, the end pressing assembly comprises a sixth mounting seat arranged on the base,
the sliding rail is positioned on the sixth mounting seat;
the sliding block is matched with the sliding rail;
the mechanical claw is connected with the sliding block and used for grabbing the end part of the long edge of the T-shaped steel frame;
and a first connecting piece connected with the mechanical claw;
the second connecting piece is hinged with the first connecting piece;
the third connecting piece is hinged with the second connecting piece;
the seventh mounting seat is hinged with the third connecting piece;
the third sleeve is arranged on the seventh mounting seat;
the seventh mounting seat is detachably connected with the sixth mounting seat and is arranged above the sixth mounting seat.
Preferably, the gripper comprises a body connected to the first link;
the first gripper and the second gripper are connected with the two ends of the body respectively, and the first gripper and the second gripper are symmetrical in structure;
the abutting seat is connected with the body in a sliding manner through a support rod;
first tongs the second tongs all with support to lean on the seat to be connected, support to lean on the seat to be used for supporting and lean on the tip on long limit of T shaped steel frame, the cover is equipped with the elastic component on the branch, elasticity both ends support respectively support lean on in support with the body.
Preferably, the first and second grips each comprise a fourth connector connected to the body;
the fifth connecting piece is hinged with the other end of the fourth connecting piece;
the first claw hook is hinged with the other end of the fifth connecting piece;
a sixth connecting piece with one end hinged with the first claw hook;
the other end of the sixth connecting piece is connected with the abutting seat, the first claw hook grabs a to-be-welded piece welded with the T-shaped steel frame, and the other end of the to-be-welded piece abuts against the sixth connecting piece.
The invention provides a T-shaped steel frame welding fixture which comprises a fixed assembly and a movable assembly which respectively act on two ends of a short side of a T-shaped steel frame, a first side pressing assembly which acts on the side part of a long side of the T-shaped steel frame, a second side pressing assembly which is arranged opposite to the first side pressing assembly, a supporting assembly which is positioned at the bottom of the long side of the T-shaped steel frame, a top pressing assembly which is provided with a top pressing piece, wherein the top pressing piece acts on the top of the long side of the T-shaped steel frame, and an end pressing assembly which acts on the end part of the long side of the. Compared with the prior art, will weld together with the long limit of T shaped steel frame when needs, form holistic T shaped steel frame, through fixed subassembly, the movable assembly is fixed with the centre gripping, then it is fixed with the long limit centre gripping of T shaped steel frame through first side pressure subassembly and second side pressure subassembly, simultaneously the roof pressure spare of roof pressure subassembly and the supporting component who sets up the bottom on the long limit of T shaped steel frame, it is fixed with its clamp from the vertical direction with the long limit of T shaped steel frame, still support it with the end pressure subassembly with the tip on the long limit of T shaped steel frame and lean on it simultaneously, and the other end on the long limit of T shaped steel frame is the T shaped steel frame minor face, through above-mentioned structure, the T shaped steel frame welding jig that this application provided, it is fixed with the relative position between the long limit of T shaped steel frame and the T shaped steel frame minor face, the location is stable, the welding point can not take.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a T-shaped steel frame welding fixture provided by an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a T-shaped steel frame welding fixture according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a T-shaped steel frame welding fixture according to an embodiment of the present invention.
Description of reference numerals: 1. short sides of the T-shaped steel frame; 2. a fixing assembly; 3. a movable component; 4. the long side of the T-shaped steel frame; 5. a first lateral pressure assembly; 6. a second side pressing component; 7. a support assembly; 8. a jacking member; 9. a jacking component; 10. an end press assembly; 11. a base; 12. a first mounting seat; 13. a first pressing member; 14. a second pressing member; 15. a first link; 16. a first sleeve; 17. a second link; 18. a third link; 19. a second mounting seat; 20. a support; 21. a third pressing member; 22. a fourth link; 23. a second sleeve; 24. a fifth link; 25. a sixth link; 27. a third mounting seat; 28. a fourth mounting seat; 29. a fifth mounting seat; 30. a seventh connecting rod; 31. an eighth link; 32. a ninth link; 33. a sixth mounting seat; 34. a slide rail; 35. a slider; 36. a first connecting member; 37. a second connecting member; 38. a third connecting member; 39. a seventh mounting seat; 40. a third sleeve; 41. a body; 42. a first gripper; 43. a second gripper; 44. a strut; 45. an elastic member; 46. a fourth connecting member; 47. a fifth connecting member; 48. a first claw hook; 49. a sixth connecting member; 50. and (5) waiting for welding.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all 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 application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
Referring to fig. 1 to 3, the present invention provides a T-shaped steel frame welding fixture, which includes a fixed component 2 and a movable component 3 acting on two ends of a short side 1 of the T-shaped steel frame, a first side pressing component 5 acting on a side portion of a long side 4 of the T-shaped steel frame, a second side pressing component 6 disposed opposite to the first side pressing component 5, a supporting component 7 disposed at a bottom of the long side 4 of the T-shaped steel frame, a pressing component 9 provided with a pressing member 8, the pressing member 8 acting on a top of the long side 4 of the T-shaped steel frame, and an end pressing component 10 acting on an end portion of the long side 4 of the T-shaped steel frame. Compared with the prior art, when the T-shaped steel frame long edge 4 is required to be welded together to form an integral T-shaped steel frame, the T-shaped steel frame is clamped and fixed through the fixing component 2 and the movable component 3, then the long edge of the T-shaped steel frame is clamped and fixed through the first side pressing component 5 and the second side pressing component 6, meanwhile, the jacking piece 8 of the jacking component 9 and the supporting component 7 arranged at the bottom of the long edge 4 of the T-shaped steel frame clamp and fix the long edge 4 of the T-shaped steel frame from the vertical direction, meanwhile, the end part of the long edge 4 of the T-shaped steel frame is abutted against by the end pressing component 10, the other end of the long edge 4 of the T-shaped steel frame is the short edge 1 of the T-shaped steel frame, through the structure, the T-shaped steel frame welding clamp provided by the application fixes the relative position between the long edge 4 of the T-shaped steel frame and the short edge 1 of the, the integral strength of the T-shaped steel frame is good.
The embodiment of the invention comprises a base 11, wherein the fixing component 2 comprises a first mounting seat 12 arranged on the base 11; and a first pressing piece 13 arranged on the first mounting seat 12, wherein the first pressing piece 13 acts on the end part of the short side 1 of the T-shaped steel frame. The first pressing piece 13 on the fixed component 2 and the movable component 3 act together to clamp and fix the short side 1 of the T-shaped steel frame.
The movable assembly 3 comprises a second pressing piece 14 acting on the other end of the short side 1 of the T-shaped steel frame, a first connecting rod 15 connected with the second pressing piece 14, a first sleeve 16 sleeved on the first connecting rod 15, a second connecting rod 17 with one end hinged to the first connecting rod 15, a third connecting rod 18 hinged to the second connecting rod 17, and a second mounting seat 19 hinged to the third connecting rod 18.
When the short side 1 of the T-shaped steel frame needs to be welded with the long side 4 of the T-shaped steel frame, the third connecting rod 18 is pulled, the second connecting rod 17 is driven, the first connecting rod 15 moves backwards along the axis of the first sleeve 16, the second pressing piece 14 is far away from the first pressing piece 13, the short side 1 of the T-shaped steel frame is placed between the second pressing piece 14 and the first pressing piece 13, after the T-shaped steel frame is placed, the third connecting rod 18 is reset, the posture of the second connecting rod 17 and the first connecting rod 15 is changed, the first connecting rod 15 moves forwards along the axis of the first sleeve 16, the second pressing piece 14 is close to the first pressing piece 13, and the short side 1 of the T-shaped steel frame is clamped tightly. The link structure formed by the first link 15, the second link 17, the third link 18 and the second mounting seat 19 in the embodiment enables the distance between the first pressing piece 13 and the second pressing piece 14 to be adjusted in the plane direction of the link structure all the time, and the distance adjustment is stable and reliable. In order to prevent the adjustment direction of the second pressing member 14 from deviating, the acting force direction of the second pressing member 14 is always directed to the first pressing member 13, and the first sleeve 16 is sleeved on the first link 15.
Further, including locating support 20 on base 11, being equipped with L type breach portion on support 20, first side pressure subassembly 5 is located perpendicularly on the long limit of L type breach portion, and supporting component 7 is located perpendicularly on the short side of L type breach portion. The first lateral pressing component 5 and the supporting component 7 are integrated on the same bracket 20 through the structural arrangement of the bracket 20, and the structure is compact.
Wherein, support 20 is equipped with two, all is equipped with first side pressure subassembly 5 and supporting component 7 on two supports 20, just so sets up two auxiliary stay on the lateral part on the long limit 4 of T shaped steel frame, bottom for in welding process, the long limit 4 of T shaped steel frame is fixed more stably.
In the embodiment of the present invention, the second side pressing assembly 6 includes a third pressing member 21 acting on the side of the long side 4 of the T-shaped steel frame, a fourth link 22 connected to the third pressing member 21, a second sleeve 23 sleeved on the fourth link 22,
a fifth connecting rod 24 with one end hinged with the fourth connecting rod 22, a sixth connecting rod 25 hinged with the fifth connecting rod 24, and a third mounting seat 27 hinged with the sixth connecting rod 25. The second side pressing assembly 6 is configured to adjust the distance between the third pressing member 21 and the first side pressing assembly 5, so that the acting force exerted by the third pressing member 21 always faces the first side pressing assembly 5. The connecting line of the third pressing piece 21 and the two action points of the first side pressing assembly 5 is ensured to be always perpendicular to the side part of the long edge 4 of the T-shaped steel frame, and the stability of clamping the long edge 4 of the T-shaped steel frame is improved.
The fourth mounting seat 28 is arranged between the two brackets 20, the pressing component 9 includes a fifth mounting seat 29 arranged on the fourth mounting seat 28, a seventh connecting rod 30 hinged to the fifth mounting seat 29, an eighth connecting rod 31 hinged to the seventh connecting rod 30, a ninth connecting rod 32 hinged to the eighth connecting rod 31, and the pressing member 8 is hinged to the ninth connecting rod 32. The link structure formed by the fifth mounting seat 29, the seventh link 30, the eighth link 31 and the ninth link 32 enables the direction of the acting force applied by the jacking member 8 to be vertical to the top of the long side 4 of the T-shaped steel frame, and avoids the position of the long side 4 of the T-shaped steel frame from being deviated in the welding process.
In the embodiment of the present invention, the end pressing assembly 10 includes a sixth mounting seat 33 disposed on the base 11, a sliding rail 34 disposed on the sixth mounting seat 33, a sliding block 35 engaged with the sliding rail 34, a gripper connected to the sliding block 35, the gripper configured to grip an end of a long side of the T-shaped steel frame, a first connecting member 36 connected to the gripper, a second connecting member 37 hinged to the first connecting member 36, a third connecting member 38 hinged to the second connecting member 37, a seventh mounting seat 39 hinged to the third connecting member 38, a third sleeve 40 disposed on the seventh mounting seat 39, and the seventh mounting seat 39 detachably connected to the sixth mounting seat 33 and disposed above the sixth mounting seat 33. The structural arrangement of the end press assembly 10 is such that the gripper can grip the long edge end of the T-section steel frame.
Further, the gripper includes the body 41 of being connected with first connecting piece 36, first tongs 42 and second tongs 43 of being connected with body 41 both ends respectively, first tongs 42 is symmetrical with second tongs 43 structure, and support through branch 44 and body 41 sliding connection support the seat, first tongs 42, second tongs 43 all with support and lean on the seat to be connected, support and lean on the seat and be used for supporting the tip that leans on long limit 4 of T shaped steel frame, the cover is equipped with elastic component 45 on the branch 44, the elasticity both ends support respectively and lean on in supporting seat and body 41. When pulling branch 44, can make to lean on the seat to lean on the tip of the long limit 4 of T shaped steel frame all the time, and the setting of elastic component 45 is in order to provide supplementary compression energy for lean on the seat and tightly lean on the tip of the long limit 4 of T shaped steel frame, improve the reliability of leaning on the seat.
The first hand grip 42 and the second hand grip 43 each include a fourth connecting member 46 connected to the body 41, a fifth connecting member 47 hinged to the other end of the fourth connecting member 46, a first claw hook 48 hinged to the other end of the fifth connecting member 47, and a sixth connecting member 49 with one end hinged to the first claw hook 48, the other end of the sixth connecting member 49 is connected to the abutting seat, the first claw hook 48 grips a to-be-welded member 50 welded to the T-shaped steel frame, and the other end of the to-be-welded member 50 abuts against the sixth connecting member 49. Through the structure, the distance between the part to be welded 50 and the end part of the long edge 4 of the T-shaped steel frame is fixed, and then the part to be welded 50 is welded on the side part of the long edge 4 of the T-shaped steel frame.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A T-shaped steel frame welding fixture is characterized by comprising a fixed assembly and a movable assembly, wherein the fixed assembly and the movable assembly respectively act on two ends of a short edge of a T-shaped steel frame;
the first lateral pressing assembly acts on the lateral part of the long edge of the T-shaped steel frame;
a second side pressing component arranged opposite to the first side pressing component;
the support assembly is positioned at the bottom of the long edge of the T-shaped steel frame;
the jacking component is provided with a jacking piece, and the jacking piece acts on the top of the long edge of the T-shaped steel frame;
and the end pressing component acts on the end part of the long edge of the T-shaped steel frame.
2. The T-shaped steel frame welding fixture according to claim 1, characterized by comprising a base, wherein the fixing assembly comprises a first mounting seat arranged on the base;
locate first compressing tightly the piece on the first mount pad, first compressing tightly the piece and acting on the tip of T shaped steel frame minor face.
3. A T-shaped steel frame welding fixture as claimed in claim 2, characterized in that the movable assembly comprises a second pressing member acting on the other end of the short side of the T-shaped steel frame;
the first connecting rod is connected with the second pressing piece;
the first sleeve is sleeved on the first connecting rod;
the second connecting rod is hinged with the first connecting rod at one end;
a third link hinged to the second link;
and the second mounting seat is hinged with the third connecting rod.
4. The T-shaped steel frame welding fixture according to claim 2, comprising a bracket arranged on the base, wherein the bracket is provided with an L-shaped notch part;
the first side pressing assembly is vertically arranged on the long edge of the L-shaped notch part;
the supporting component is vertically arranged on the short side of the L-shaped notch part.
5. A T-shaped steel frame welding fixture as claimed in claim 4, characterized in that two brackets are provided, and the first lateral pressing assembly and the supporting assembly are provided on both brackets.
6. A T-shaped steel frame welding fixture according to claim 5, characterized in that the second side pressing assembly comprises a third pressing piece acting on the side of the long side of the T-shaped steel frame;
a fourth link connected to the third pressing member;
the second sleeve is sleeved on the fourth connecting rod;
a fifth connecting rod with one end hinged with the fourth connecting rod;
a sixth link hinged to the fifth link;
and the third mounting seat is hinged with the sixth connecting rod.
7. A T-shaped steel frame welding fixture as claimed in claim 5, characterized in that a fourth mounting seat is provided between the two brackets,
the jacking assembly comprises a fifth mounting seat arranged on the fourth mounting seat;
the seventh connecting rod is hinged with the fifth mounting seat;
an eighth link hinged to the seventh link;
and the jacking piece is hinged with the ninth connecting rod.
8. The T-shaped steel frame welding fixture of claim 2, wherein the end pressing assembly comprises a sixth mounting seat arranged on the base,
the sliding rail is positioned on the sixth mounting seat;
the sliding block is matched with the sliding rail;
the mechanical claw is connected with the sliding block and used for grabbing the end part of the long edge of the T-shaped steel frame;
and a first connecting piece connected with the mechanical claw;
the second connecting piece is hinged with the first connecting piece;
the third connecting piece is hinged with the second connecting piece;
the seventh mounting seat is hinged with the third connecting piece;
the third sleeve is arranged on the seventh mounting seat;
the seventh mounting seat is detachably connected with the sixth mounting seat and is arranged above the sixth mounting seat.
9. The T-bar welding fixture of claim 8, wherein the gripper comprises a body coupled to the first connector;
the first gripper and the second gripper are connected with the two ends of the body respectively, and the first gripper and the second gripper are symmetrical in structure;
the abutting seat is connected with the body in a sliding manner through a support rod;
first tongs the second tongs all with support to lean on the seat to be connected, support to lean on the seat to be used for supporting and lean on the tip on long limit of T shaped steel frame, the cover is equipped with the elastic component on the branch, elasticity both ends support respectively support lean on in support with the body.
10. The T-section steel frame welding fixture of claim 9, wherein the first and second grips each include a fourth connector connected to the body;
the fifth connecting piece is hinged with the other end of the fourth connecting piece;
the first claw hook is hinged with the other end of the fifth connecting piece;
a sixth connecting piece with one end hinged with the first claw hook;
the other end of the sixth connecting piece is connected with the abutting seat, the first claw hook grabs a to-be-welded piece welded with the T-shaped steel frame, and the other end of the to-be-welded piece abuts against the sixth connecting piece.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011033307.3A CN112025180A (en) | 2020-09-27 | 2020-09-27 | T-shaped steel frame welding fixture |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011033307.3A CN112025180A (en) | 2020-09-27 | 2020-09-27 | T-shaped steel frame welding fixture |
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| CN112025180A true CN112025180A (en) | 2020-12-04 |
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| CN107253007A (en) * | 2017-05-23 | 2017-10-17 | 杭州顺达伯耐特电梯有限公司 | C font positioning fixture for welding |
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