CN218050797U

CN218050797U - Sheet type standard knot welding tool

Info

Publication number: CN218050797U
Application number: CN202222509912.4U
Authority: CN
Inventors: 胡开灼; 郭志海
Original assignee: Zoomlion Construction Crane Co Ltd
Current assignee: Zoomlion Construction Crane Co Ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2022-12-16
Anticipated expiration: 2032-09-21

Abstract

The utility model discloses a piece formula standard festival welding frock, relate to standard festival welding technical field, piece formula standard festival welding frock includes the workstation, main chord tube fixing device, straight web member fixing device, two first anti-deformation device and two second anti-deformation device, main chord tube fixing device will treat that first main chord tube and the second main chord tube of welding standard festival fix on the workstation, straight web member fixing device will treat that the straight web member of tip and the straight web member in middle part of welding standard festival fix on the workstation, two first anti-deformation device and two second anti-deformation device are used for interval middle part straight web member setting on the workstation respectively, and two first anti-deformation device and two second anti-deformation device are located main chord tube inboard, with exert outside power to main chord tube inboard respectively, anti-deformation subassembly supports and leans on the medial surface at main chord tube, the pulling force that the welding seam cooling shrinkage of main chord tube produced offsets, reach the purpose that prevents main chord tube indent deformation, ensure the stability of lift operation.

Description

Sheet type standard knot welding tool

Technical Field

The utility model belongs to the technical field of the standard festival welding, especially, relate to a piece formula standard festival welding frock.

Background

Carbon dioxide gas shielded welding is one of the most common welding modes in the engineering machinery industry at present, because of large welding heat productivity, the expansion caused by heat and contraction caused by cold of a welding seam are one of important factors influencing the welding size, for a standard section of a construction elevator, a main chord tube of the standard section is equivalent to a guide rail for the operation of the elevator, and the straightness of the main chord tube influences the operation stability of the elevator cage.

At present, the welding process flow of the elevator standard knot can be that two main chord pipes and angle steel are welded into pieces firstly, and then two pieces of pieces and the angle steel are welded to form a combined body.

SUMMERY OF THE UTILITY MODEL

The above-mentioned defect or not enough to prior art, the utility model provides a piece formula standard festival welding frock aims at solving the technical problem that standard festival welding becomes piece in-process main chord pipe and takes place the indent deformation.

In order to achieve the above object, the utility model provides a piece formula standard festival welding frock, wherein, piece formula standard festival welding frock includes: the device comprises a workbench, a main chord pipe fixing device, a straight web rod fixing device, two first reverse deformation devices and two second reverse deformation devices, wherein the main chord pipe fixing device is used for fixing a first main chord pipe and a second main chord pipe of a standard joint to be welded on the workbench; the two second reverse deformation devices are used for arranging the middle straight web member on the workbench at intervals, and the two second reverse deformation devices are positioned on the inner side of the second main chord pipe to respectively apply outward acting force to the second main chord pipe.

In an embodiment of the present invention, each of the first and second reverse deformation devices includes a connecting plate and an abutting block, the connecting plate is disposed on the table, and the abutting block is detachably disposed on the connecting plate and is formed with an abutting surface for abutting against an inner side of the first main chord pipe or the second main chord pipe.

The embodiment of the utility model provides an in, the connecting plate deviates from and is equipped with the adjustment cushion between one side of butt face and the side of workstation to the connecting plate passes through fastener detachably and sets up on the workstation.

The embodiment of the utility model provides an in, one side that the connecting plate deviates from the butt face stretches out and is provided with the location axle, sets up the locating hole that supplies the location axle to insert the location on the workstation.

The embodiment of the utility model provides an in, main chord tube fixing device includes supporting block subassembly and locating pin subassembly, and the supporting block subassembly transversely stretches out the relative both sides that set up on the workstation to be used for supporting first main chord tube and second main chord tube, locating pin subassembly telescopically sets up the relative both ends at the workstation, inserts first main chord tube and second main chord tube with can treating the both ends of welding standard festival from treating.

The embodiment of the utility model provides an in, the locating pin subassembly includes four locating pins, and four locating pins are used for the both ends retractable of one-to-one first main chord pipe and second main chord pipe to set up on the workstation, are provided with the tight formula locating piece that expands on the locating pin, and the tight formula locating piece that expands is used for inserting first main chord pipe or second main chord at the locating pin intraductal with the inner wall laminating setting of first main chord pipe or second main chord pipe.

The embodiment of the utility model provides an in, the supporting shoe subassembly includes first supporting shoe and second supporting shoe, and first supporting shoe transversely stretches out the setting from the first side of workstation and is formed with the first support slot that is used for supplying first main chord tube holding, and the second supporting shoe transversely stretches out the setting from the second side of workstation and is formed with the second support slot that is used for supplying second main chord tube holding.

The embodiment of the utility model provides an in, straight web member fixing device includes positioning seat and first pressure plate mechanism, and the positioning hole setting on the straight web member of tip or middle part is corresponded to the positioning seat, and first pressure plate mechanism corresponds the straight web member of tip or the straight web member liftable ground in middle part and sets up on the workstation to directly web member or the straight web member in middle part compress tightly the tip on the positioning seat.

The embodiment of the utility model provides an in, straight web member fixing device still includes second pressure plate mechanism, and second pressure plate mechanism corresponds rack cushion on the straight web member of tip or the straight web member of middle part and sets up on the workstation with the liftable to be connected and compress tightly the straight web member of tip or the straight web member of middle part on the positioning seat with rack cushion.

The embodiment of the utility model provides an in, piece formula standard festival welding frock still includes diagonal web member fixing device, and diagonal web member fixing device includes third clamp plate mechanism and two supports, and two support intervals set up on the workstation to be used for supporting diagonal web member respectively, and third clamp plate mechanism sets up on the workstation with liftable and lies in between two supports, in order to compress tightly diagonal web member on two supports.

Through the technical scheme, the embodiment of the utility model provides a piece formula standard festival welding frock has following beneficial effect:

when the sheet type standard joint welding tool is used, the sheet type standard joint welding tool comprises a workbench, a main chord tube fixing device, a straight web member fixing device, two first anti-deformation devices and two second anti-deformation devices, the main chord tube and the straight web member of the sheet type standard joint can be clamped and fixed through the main chord tube fixing device and the straight web member fixing device respectively, then, the two first anti-deformation devices arranged on the inner side of the first main chord tube and spaced by the middle straight web member respectively exert outward acting force from the inner side of the first main chord tube so as to offset the tensile force generated by cooling shrinkage of the first main chord tube at the welding seam with the middle straight web member, and the two second anti-deformation devices arranged on the inner side of the second main chord tube and spaced by the middle straight web member respectively exert outward acting force from the inner side of the second main chord tube so as to offset the tensile force generated by cooling shrinkage of the second main chord tube at the welding seam with the middle straight web member, thereby achieving the purpose of preventing deformation of the main chord tube and ensuring the stability of the lifting machine during operation.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide an understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention, but do not constitute a limitation of the invention. In the drawings:

fig. 1 is a schematic structural view of a sheet-type standard knot welding tool clamping a standard knot to be welded according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a sheet-type standard knot welding tool according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the first reversible deformation device or the second reversible deformation device according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 at I;

fig. 5 is a partial enlarged view of fig. 1 at point ii.

Description of the reference numerals

1. Workbench 2 standard joint to be welded

21. First main chord 22 and second main chord

23. End part straight web member 24 middle part straight web member

25. Rack cushion block 26 diagonal web member

3. First anti-deformation device 31 connecting plate

311. Positioning shaft 312 adjusting cushion block

32. Abutment block 33 fastener

4. Second anti-deformation device 5 main chord tube fixing device

51. Support Block Assembly 511 first support Block

512. Second support block 513 first support groove

514. Second support groove 52 locating pin assembly

521. Positioning pin 522 expansion type positioning block

6. Positioning seat of straight web member fixing device 61

62. First platen mechanism 63 and second platen mechanism

7. Diagonal web member fixing device 71 support

72. Semicircular groove 73 third pressing plate mechanism

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.

At present, the welding process flow of the elevator standard knot can be that two main chord pipes and angle steel are welded into a piece firstly, and then two pieces of pieces and the angle steel are welded to form a combined body.

Based on this, this application embodiment provides a piece formula standard festival welding frock, aims at solving the technical problem that influences lift cage stability because the welding seam expends with heat and contracts with cold and leads to the main chord tube to take place indent deformation when lift standard festival welds.

The piece formula standard festival welding frock according to the utility model is described below with reference to the accompanying drawings.

As shown in fig. 1, in the embodiment of the utility model, a slice formula standard festival welding frock is provided, wherein, slice formula standard festival welding frock includes:

a work table 1;

the main chord tube fixing device 5 is used for fixing a first main chord tube 21 and a second main chord tube 22 of the standard knot 2 to be welded on the workbench 1;

the straight web rod fixing device 6 is used for fixing the end straight web rod 23 and the middle straight web rod 24 of the standard knot 2 to be welded on the workbench 1;

two first reverse deformation devices 3 and two second reverse deformation devices 4, the two first reverse deformation devices 3 are used for arranging the middle straight web member 24 on the workbench 1 at intervals, and the two first reverse deformation devices 3 are positioned at the inner side of the first main chord tube 21 so as to respectively apply outward acting force to the first main chord tube 21; two second reverse deformation devices 4 are provided on the table 1 at intervals of the middle straight web member 24, and the two second reverse deformation devices 4 are located inside the second main chord tube 22 to respectively apply an outward force to the second main chord tube 22.

When the above-mentioned sheet type standard joint welding tool is used, since the sheet type standard joint welding tool includes the workbench 1, the main chord tube fixing device 5, the straight web member fixing device 6, the two first reverse deformation devices 3 and the two second reverse deformation devices 4, the first main chord tube 21, the second main chord tube 22, the middle straight web member 24 and the end straight web member 23 of the sheet type standard joint can be clamped and fixed by the main chord tube fixing device 5 and the straight web member fixing device 6, respectively, then, an outward acting force is applied from the inner side of the first main chord tube 21 by the two first reverse deformation devices 3 arranged at the inner side of the first main chord tube 21 and spaced from the middle straight web member 24, respectively, so as to offset a tensile force generated by cooling shrinkage at a weld joint between the first main chord tube 21 and the middle straight web member 24, and an outward acting force is applied from the inner side of the second main chord tube 22 by the two second reverse deformation devices 4 arranged at the inner side of the second main chord tube 22 and spaced from the middle straight web member 24, so as to offset a tensile force generated at the inner concave shrinkage of the second main chord tube 22, thereby achieving the purpose of preventing the lifting and deformation of the main chord tube.

Specifically, two first reverse deformation devices 3 are arranged inside the first main chord 21 on the workbench 1, the two first reverse deformation devices 3 are symmetrically arranged about the middle straight web member 24 and are arranged close to the middle straight web member 24, two second reverse deformation devices 4 are arranged inside the second main chord 22 on the workbench 1, and the two second reverse deformation devices 4 are symmetrically arranged about the middle straight web member 24 and are arranged close to the middle straight web member 24. Because the number of the first reverse deformation device 3 and the second reverse deformation device 4 is two, the balance of the deformation resisting effect of the first main chord tube 21 and the second main chord tube 22 can be ensured, and the purpose of improving the straightness of the main chord tubes is finally achieved. When the welded standard knot needs to be taken down from the workbench 1, the first reverse deformation device 3 and the second reverse deformation device 4 only contact with the side surfaces of the first main chord tube 21 and the second main chord tube 22, so that the welded piece type standard knot cannot be influenced to be taken down from the workbench 1, the straightness of the main chord tubes is improved, meanwhile, the welding process is reduced, and the efficiency of a welding tool is improved.

As shown in fig. 1 and 3, in the embodiment of the present invention, each of the first reverse deforming device 3 and the second reverse deforming device 4 includes a connecting plate 31 and an abutting block 32, the connecting plate 31 is disposed on the table 1, and the abutting block 32 is detachably disposed on the connecting plate 31 and is formed with an abutting surface for abutting against the inner side of the first main chord 21 or the second main chord 22. Since the abutting block 32 needs to be in contact with the standard knot 2 to be welded, the abutting block 32 is worn after long-time friction, and the anti-deformation effect of the abutting block 32 is reduced, the abutting block 32 can be detachably arranged on the connecting plate 31, the replacement and maintenance of the abutting block 32 are facilitated, and the anti-deformation effect of the tool is ensured.

Specifically, the first reverse deformation device 3 and the second reverse deformation device 4 each include a connecting plate 31, the connecting plate 31 is detachably disposed at a corresponding position on the workbench 1 by fastening bolts, and an abutting block 32 is detachably disposed on a side of the connecting plate 31 opposite to the workbench 1 by bolts. When the first main chord tube 21 and the second main chord tube 22 are fixed on the workbench 1 by the main chord tube fixing device 5, the abutting surface of the abutting block 32 abuts against the inner side surfaces of the corresponding first main chord tube 21 and the second main chord tube 22, so that the purpose of preventing the middle part of the first main chord tube 21 and the second main chord tube 22 from being inwards deformed after welding is achieved.

In the embodiment of the present invention, the adjusting pad 312 is disposed between the side of the connecting plate 31 away from the abutting surface and the side of the workbench 1, and the connecting plate 31 is detachably disposed on the workbench 1 through the fastening member 33. Specifically, the connecting plate 31 is detachably disposed on the workbench 1 through bolts, and the adjusting pad block 312 is disposed between the connecting plate 31 and the workbench 1, by changing the thickness of the adjusting pad block 312, the distance between the abutting block 32 disposed on the connecting plate 31 and the workbench 1 can be indirectly changed, that is, when the pipe diameters of the first main chord tube 21 and the second main chord tube 22 are changed, the abutting surface of the abutting block 32 and the inner side surfaces of the first main chord tube 21 and the second main chord tube 22 can be always in a contact state by replacing the adjusting pad block 312 with different thicknesses, the abutting block 32 is made of 45 steel, and has high strength and deformation resistance, and the first main chord tube 21 and the second main chord tube 22 can be better prevented from being deformed inwards.

In the embodiment of the present invention, one side of the connecting plate 31 departing from the abutting surface is extended to be provided with the positioning shaft 311, and the workbench 1 is provided with the positioning hole for inserting and positioning the positioning shaft 311. Specifically, before the connecting plate 31 is fixed on the workbench 1, the positioning shaft 311 on the connecting plate 31 can be aligned to the positioning hole on the workbench 1 to position the connecting plate 31, so that the mounting of the predeformation device on the workbench 1 can be facilitated, and the accuracy of the mounting position can be ensured.

Referring to fig. 1, in the embodiment of the present invention, the main chord tube fixing device 5 includes a supporting block component 51 and a positioning pin component 52, the supporting block component 51 transversely extends and is disposed on the working platform 1, and is used for supporting the first main chord tube 21 and the second main chord tube 22, and the positioning pin component 52 is telescopically disposed at two opposite ends of the working platform 1, so as to be able to insert the first main chord tube 21 and the second main chord tube 22 from two ends of the standard knot 2 to be welded. Through transversely stretching out the setting with the supporting block subassembly 51 at the side of workstation 1, be favorable to reducing the size of workstation 1 for welding personnel are more laborsaving or practice thrift power when swivel work head welds, can also reduce the materials of workstation, practice thrift manufacturing cost. In addition, locating pin assemblies 52 are telescopically arranged to facilitate clamping and locating the ends of first and second

main chords

21 and 22.

Specifically, in the present embodiment, a cylinder assembly is provided between the table 1 and the positioning pin assembly 52, and the expansion and contraction of the positioning pin assembly 52 is controlled by controlling the operation of the cylinder assembly. After the first main chord 21 and the second main chord 22 are placed on the workbench 1 through the supporting block assembly 51, the cylinder assembly is controlled to drive the positioning pin assembly 52 to be inserted into the first main chord 21 and the second main chord 22, so that the first main chord 21 and the second main chord 22 are fixed and positioned.

Referring to fig. 1 and 4, in the embodiment of the present invention, the positioning pin assembly 52 includes four positioning pins 521, the four positioning pins 521 are used for telescopically setting the two ends of the first main chord 21 and the second main chord 22 one by one on the workbench 1, an expansion positioning block 522 is provided on the positioning pin 521, and the expansion positioning block 522 is used for fitting the inner wall of the first main chord 21 or the second main chord 22 when the positioning pin 521 is inserted into the first main chord 21 or the second main chord 22.

Specifically, in the process of fixedly positioning first main chord tube 21 and second main chord tube 22, positioning pins 521 are inserted into both ends of first main chord tube 21 and second main chord tube 22, so that the positions of first main chord tube 21 and second main chord tube 22 can be defined, and first main chord tube 21 and second main chord tube 22 can be fixed between two positioning pins 521, thereby ensuring the accuracy of the welding positions of first main chord tube 21 and second main chord tube 22. By arranging the expansion-type positioning block 522 on the positioning pin 521, the expansion-type positioning block 522 can be inserted into the inner holes of the first main chord tube 21 and the second main chord tube 22 and is always in a fit state with the inner hole walls of the first main chord tube 21 and the second main chord tube 22, so that the expansion-type positioning block 522 on the positioning pin 521 can always keep a close fit state with the inner holes at two ends of the first main chord tube 21 and the second main chord tube 22 within a tolerance size range meeting the drawing requirements.

Referring to fig. 1 and 2, in the embodiment of the present invention, the supporting block assembly 51 includes a first supporting block 511 and a second supporting block 512, the first supporting block 511 extends from a first side of the workbench 1 to be disposed and formed with a first supporting groove 513 for accommodating the first main chord 21, and the second supporting block 512 extends from a second side of the workbench 1 to be disposed and formed with a second supporting groove 514 for accommodating the second main chord 22. The first support block 511 and the second support block 512 can support the first main chord tube 21 and the second main chord tube 22, the first support groove 513 and the second support groove 514 can also respectively position the first main chord tube 21 and the second main chord tube 22, and when the first main chord tube 21 is positioned in the first support groove 513 and the second main chord tube 22 is positioned in the second support groove 514, the primary positioning of the first main chord tube 21 and the second main chord tube 22 is completed.

Specifically, a first supporting block 511 extends from one side of the workbench 1 close to the first main chord tube 21, in this embodiment, the number of the first supporting block 511 may be two but is not limited to two, a first supporting groove 513 for accommodating the first main chord tube 21 is formed on the upper surface of the first supporting block 511, and the inner wall of the first supporting groove 513 can be attached to the side surface of the first main chord tube 21. In this embodiment, the number of the second supporting blocks 512 may be two, but is not limited to two, a second supporting groove 514 for accommodating the second main chord tube 22 is formed on the upper surface of the second supporting block 512, and the inner wall of the second supporting groove 514 can be attached to the side surface of the second main chord tube 22. By providing the first and second support blocks 511 and 512, the first and second

main chords

21 and 22 are supported and preliminarily positioned.

Referring to fig. 1 and 5, in the embodiment of the present invention, the straight web rod fixing device 6 includes a positioning seat 61 and a first pressing plate mechanism 62, the positioning seat 61 is disposed on the workbench 1 corresponding to the positioning hole on the end straight web rod 23 or the middle straight web rod 24, and the first pressing plate mechanism 62 is disposed on the workbench 1 corresponding to the end straight web rod 23 or the middle straight web rod 24 in a liftable manner, so as to press the end straight web rod 23 or the middle straight web rod 24 onto the positioning seat 61. The straight web member fixing device 6 further comprises a second pressing plate mechanism 63, and the second pressing plate mechanism 63 is arranged on the workbench 1 corresponding to the rack cushion block 25 on the end straight web member 23 or the middle straight web member 24 in a liftable manner so as to be connected with the rack cushion block 25 and press the end straight web member 23 or the middle straight web member 24 onto the positioning seat.

Specifically, the first pressing plate mechanism 62 capable of ascending and descending is arranged on the workbench 1 corresponding to the middle straight web member 24 and the end straight web member 23, in this embodiment, the first pressing plate mechanism 62 is driven by the cylinder to ascend and descend, of course, the first pressing plate mechanism 62 can also ascend and descend in other manners, and when the first pressing plate mechanism 62 is driven by the cylinder to descend, the first pressing plate mechanism can abut against the middle straight web member 24 and the end straight web member 23 and press the middle straight web member 24 and the end straight web member 23 against the positioning seat 61. Two positioning holes are formed in the middle straight web member 24 and the end straight web member 23, positioning seats 61 are arranged at the positions, corresponding to the positioning holes of the middle straight web member 24 and the end straight web member 23, of the workbench 1, one of the positioning holes of the middle straight web member 24 and the end straight web member 23 is directly connected with the positioning seat 61 to be fixedly positioned, a rack cushion block 25 is welded in the other positioning hole of the middle straight web member 24 and the end straight web member 23, a second lifting pressing plate mechanism 63 is further arranged on the workbench 1, the rack cushion block 25 can penetrate through the positioning holes of the middle straight web member 24 and the end straight web member 23 and is pressed on the positioning seats 61 through the second pressing plate mechanism 63, and the fixing and positioning effects of the middle straight web member 24 and the end straight web member 23 are further enhanced through the pressing effect of the rack cushion block 25 on the corresponding positioning seat 61 and the pressing effect of the second pressing plate mechanism 63.

It should be noted that the end straight web member 23 and the middle straight web member 24 may be angle steels with two bent ends, and when the first pressing mechanism 62 is lowered, the pressing portion of the first pressing mechanism 62 can be pressed against the right-angled plane of the end straight web member 23 and the middle straight web member 24, so that the straight web member fixing device 6 has a better fixing effect.

With continuing reference to fig. 1 and fig. 2, in the embodiment of the present invention, the plate-type standard joint welding fixture further includes a diagonal web member fixing device 7, the diagonal web member fixing device 7 includes a third pressing plate mechanism 73 and two supports 71, the two supports 71 are disposed on the workbench 1 at intervals and are used for respectively supporting the diagonal web members 26, and the third pressing plate mechanism 73 is disposed on the workbench 1 and is located between the two supports 71 so as to press the diagonal web members 26 to the two supports 71 with a liftable manner.

Specifically, the inclined web member fixing device 7 is arranged at the position, corresponding to the position where two inclined web members 26 need to be welded, of the workbench 1, the inclined web member fixing device 7 is used for fixing and positioning the inclined web members 26, the inclined web member fixing device 7 comprises a third pressing plate mechanism 73 and two supports 71, the two supports 71 are arranged on the workbench 1 below the corresponding inclined web members 26 at intervals, a semicircular groove 72 with an open top is formed in each support 71, the semicircular groove 72 is used for placing the inclined web members 26, and the inner wall of each semicircular groove 72 is attached to the side face of the corresponding inclined web member 26. Be provided with third pressure plate mechanism 73 between two supports 71 that correspond an oblique web member 26 and set up, after oblique web member 26 placed the half slot 72 on two supports 71, can compress tightly oblique web member 26 on two supports 71 through third pressure plate mechanism 73, avoid taking place the skew at welding in-process oblique web member 26's position, can accomplish the welding of oblique web member 26 on the piece formula standard festival on the welding frock.

In the description of the present invention, it is to be understood that 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 implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a piece formula standard festival welding frock, its characterized in that, piece formula standard festival welding frock includes:

a table (1);

the main chord tube fixing device (5) is used for fixing a first main chord tube (21) and a second main chord tube (22) of the standard knot (2) to be welded on the workbench (1);

the straight web member fixing device (6) is used for fixing an end straight web member (23) and a middle straight web member (24) of the standard joint (2) to be welded on the workbench (1);

two first reverse deformation devices (3) and two second reverse deformation devices (4), wherein the two first reverse deformation devices (3) are used for arranging the middle straight web member (24) on the workbench (1) at intervals, and the two first reverse deformation devices (3) are positioned on the inner side of the first main chord tube (21) so as to respectively apply outward acting force to the first main chord tube (21); the two second reverse deformation devices (4) are used for arranging the middle straight web member (24) on the workbench (1) in a spaced mode, and the two second reverse deformation devices (4) are located on the inner side of the second main chord pipe (22) to apply outward acting force to the second main chord pipe (22) respectively.

2. The welding tooling for the chip type standard joint according to claim 1, wherein each of the first reverse deformation device (3) and the second reverse deformation device (4) comprises a connecting plate (31) and an abutting block (32), the connecting plate (31) is arranged on the workbench (1), and the abutting block (32) is detachably arranged on the connecting plate (31) and is formed with an abutting surface for abutting against the inner side of the first main chord tube (21) or the second main chord tube (22).

3. The welding tooling for the plate-type standard knot according to claim 2 is characterized in that an adjusting cushion block (312) is clamped between one side of the connecting plate (31) departing from the abutting surface and the side surface of the workbench (1), and the connecting plate (31) is detachably arranged on the workbench (1) through a fastener (33).

4. The welding tool for the chip standard knot according to claim 2, wherein a positioning shaft (311) extends out of one side of the connecting plate (31) departing from the abutting surface, and a positioning hole for inserting and positioning the positioning shaft (311) is formed in the workbench (1).

5. The welding tooling for chip standard knots according to claim 1, characterized in that the main chord tube fixing device (5) comprises a support block assembly (51) and a dowel pin assembly (52), the support block assembly (51) is transversely extended and arranged at two opposite sides of the worktable (1) and is used for supporting the first main chord tube (21) and the second main chord tube (22), and the dowel pin assembly (52) is telescopically arranged at two opposite ends of the worktable (1) so as to be capable of inserting the first main chord tube (21) and the second main chord tube (22) from two ends of the standard knot (2) to be welded.

6. The welding tooling for the sheet type standard joint according to claim 5, wherein the positioning pin assembly (52) comprises four positioning pins (521), the four positioning pins (521) are used for being telescopically arranged on the workbench (1) in a one-to-one correspondence with two ends of the first main chord tube (21) and the second main chord tube (22), an expansion type positioning block (522) is arranged on the positioning pins (521), and the expansion type positioning block (522) is used for being inserted into the first main chord tube (21) or the second main chord tube (22) through the positioning pins (521) and being attached to the inner wall of the first main chord tube (21) or the second main chord tube (22).

7. The welding fixture for the chip type standard knot according to claim 5, wherein the supporting block assembly (51) comprises a first supporting block (511) and a second supporting block (512), the first supporting block (511) transversely extends from a first side of the workbench (1) and is formed with a first supporting groove (513) for accommodating the first main chord tube (21), and the second supporting block (512) transversely extends from a second side of the workbench (1) and is formed with a second supporting groove (514) for accommodating the second main chord tube (22).

8. The welding fixture for sheet type standard joints according to claim 1, wherein the straight web member fixing device (6) includes a positioning seat (61) and a first pressing plate mechanism (62), the positioning seat (61) is disposed on the workbench (1) corresponding to the positioning hole on the end straight web member (23) or the middle straight web member (24), and the first pressing plate mechanism (62) is disposed on the workbench (1) corresponding to the end straight web member (23) or the middle straight web member (24) in a liftable manner, so as to press the end straight web member (23) or the middle straight web member (24) onto the positioning seat (61).

9. The welding fixture for the plate type standard knot according to claim 8, wherein the straight web member fixing device (6) further comprises a second pressing plate mechanism (63), and the second pressing plate mechanism (63) is arranged on the workbench (1) corresponding to the rack cushion block (25) on the end straight web member (23) or the middle straight web member (24) in a lifting manner so as to be connected with the rack cushion block (25) and press the end straight web member (23) or the middle straight web member (24) onto the positioning seat (61).

10. The sheet type standard joint welding tooling according to any one of claims 1 to 9, further comprising a diagonal web member fixing device (7), wherein the diagonal web member fixing device (7) comprises a third pressing plate mechanism (73) and two supports (71), the two supports (71) are arranged on the workbench (1) at intervals and are used for respectively supporting the diagonal web members (26), and the third pressing plate mechanism (73) is arranged on the workbench (1) in a liftable manner and is located between the two supports (71) so as to press the diagonal web members (26) onto the two supports (71).