CN214264524U

CN214264524U - Welding tool for stand column and flange plate of support

Info

Publication number: CN214264524U
Application number: CN202120160787.3U
Authority: CN
Inventors: 不公告发明人
Original assignee: Xuancheng Ruihui Xuansheng Enterprise Management Center Partnership LP
Current assignee: Xuancheng Ruihui Xuansheng Enterprise Management Center Partnership LP
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-09-24
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a welding frock of support stand and ring flange, include: a base plate; the flange plate positioning clamp comprises two positioning blocks horizontally connected to the bottom plate in a sliding mode, and the two positioning blocks surround the bottom plate to form a flange plate limiting space for positioning the flange plate; the upright post positioning fixture comprises a pair of horizontal positioning pieces horizontally and oppositely connected to the bottom plate in a sliding manner and a height positioning piece vertically connected to the bottom plate in a sliding manner, wherein the height positioning piece is positioned on an intermediate axis of the pair of horizontal positioning pieces; the pair of horizontal positioning pieces and the height positioning piece are matched to form a vertical column limiting space for limiting the vertical position and the horizontal position of the vertical column. By the design, the problem of welding deviation caused by workpiece positioning error or unstable positioning in the welding process is solved, the qualified rate of products is improved, the positioning efficiency is high, the welding process can be completed only by one person, the labor cost is reduced, the generation efficiency is improved, and the mass production of the stand column and the flange plate is facilitated.

Description

Welding tool for stand column and flange plate of support

Technical Field

The utility model relates to a photovoltaic module installing support technical field, concretely relates to welding frock of support stand and ring flange.

Background

The photovoltaic support is a mounting rack for mounting a photovoltaic module. Current photovoltaic racks include a plurality of rack units arranged laterally side by side; each rack unit includes: the two upright columns are perpendicular to the ground and arranged in parallel, and have different heights; an oblique beam; and the two end parts of the inclined strut are detachably connected to the inclined beam and the connecting piece in a sliding manner on the upright post through the adapter respectively.

In order to stably fix the upright post to the ground, a flange plate is welded to one end of the upright post, and the upright post is vertically installed on the ground through the flange plate.

At present, the welding between stand and the flange is all by artifical steel rule, tape measure and brief device auxiliary measurement location concatenation rivet welding of taking, and the stand is at the location inefficiency of welding process, and the welding process stand is walked the position easily, and then influences welding efficiency and product welding quality.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the welding inefficiency that artifical stand and the mode of flange that utilizes auxiliary measuring device welding photovoltaic support among the prior art exists, the poor defect of welding quality to a welding frock of support stand and ring flange is provided.

In order to solve the technical problem, the technical scheme of the utility model as follows:

the utility model provides a welding frock of support stand and ring flange, includes:

a base plate;

the flange plate positioning clamp comprises at least two positioning blocks horizontally and slidably connected to the bottom plate, and at least two positioning blocks surround the bottom plate to form a flange plate limiting space for positioning the flange plate; one side of the flange limiting space is provided with a side opening for the upright column to extend into;

the upright post positioning fixture is positioned on the bottom plate on one side of the side opening and comprises a horizontal positioning fixture and a height positioning fixture, the horizontal positioning fixture comprises a pair of horizontal positioning pieces which are horizontally connected to the bottom plate in a sliding mode in opposite directions, and the height positioning fixture comprises a height positioning piece which is vertically connected to the bottom plate in a sliding mode; the pair of horizontal positioning pieces and the height positioning piece are matched to form a vertical column limiting space for limiting the vertical position and the horizontal position of the vertical column.

Furthermore, the flange plate positioning clamp comprises a pair of L-shaped positioning blocks which are oppositely connected to the bottom plate in a sliding manner along a first horizontal direction, and at least one straight-line-shaped positioning block which is connected to the bottom plate in a sliding manner along a second horizontal direction; the L-shaped positioning blocks are used for limiting two opposite side faces of the flange and one side face back to the upright post, and the linear positioning blocks are used for limiting one side face, facing the upright post, of the flange.

Furthermore, a first sliding groove extending along a first horizontal direction is formed in the bottom plate, a first sliding block connected to the first sliding groove in a sliding manner is arranged on the L-shaped positioning block, and a first locking piece used for locking the first sliding block to the first sliding groove or unlocking the first sliding block from the first sliding groove and the first sliding block is in threaded connection with the first sliding block; the bottom plate is provided with a second sliding groove extending along a second horizontal direction, and the linear positioning block is connected to the second sliding groove in a sliding manner; the bottom plate is further provided with a third sliding groove extending in the same direction as the second sliding groove, and the linear positioning block is in threaded connection with a second locking piece used for locking the linear positioning block on the third sliding groove or unlocking the linear positioning block and the third sliding groove.

Furthermore, the number of the third sliding grooves is two, and the third sliding grooves are positioned on two opposite sides of the second sliding groove; and the opposite two ends of the linear positioning block are locked on the corresponding third sliding grooves through the second locking pieces respectively.

Further, the horizontal positioning clamp and the height positioning clamp are arranged independently; the height positioning piece is positioned on the middle line of the pair of horizontal positioning pieces, the horizontal positioning fixture further comprises a first mounting seat mounted on the bottom plate, and the pair of horizontal positioning pieces are horizontally connected to the first mounting seat in an opposite sliding mode; the height positioning fixture further comprises a second mounting seat mounted on the bottom plate, and the height positioning piece is vertically connected to the second mounting seat in a sliding mode.

Further, be fixed with a pair of slide rail on the first mount pad, be equipped with the fourth spout that sets up along the second horizontal direction on the slide rail, rotate on the slide rail be connected with fourth spout syntropy extends and stretches into adjusting screw in the fourth spout, be connected with sliding connection on the horizontal positioning element in on the fourth spout and with adjusting screw thread fit's horizontal sliding block.

Furthermore, an adjusting seat and a positioning seat are mounted on the second mounting seat, the positioning seat is provided with a horizontal hole and a vertical hole communicated with the horizontal hole, and the height positioning piece comprises a vertical adjusting rod which is vertically connected to the vertical hole in a sliding manner; a horizontal adjusting rod which penetrates through the adjusting seat along the axis direction of the horizontal hole and one end of which extends into the horizontal hole is arranged on the adjusting seat; the end part of the horizontal adjusting rod extending into the horizontal hole is provided with a first inclined plane, and the first inclined plane is matched with a second inclined plane at the bottom of the vertical adjusting rod.

Furthermore, a locking hole is arranged on the adjusting seat along the vertical direction, and the bottom of the locking hole is communicated with a hole in the adjusting seat through which the horizontal adjusting rod passes; and a locking screw for locking the horizontal adjusting rod is connected in the locking hole.

Further, the height positioning piece further comprises a height positioning table connected to the top of the vertical adjusting rod, and a V-shaped notch suitable for bearing the upright column is formed in the top of the height positioning table.

Furthermore, the stand positioning fixture is provided with two groups along a second horizontal direction.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a welding frock of support stand and ring flange, according to the size specification that will weld stand and ring flange, the position of a plurality of locating pieces on the adjustment ring flange positioning fixture, make the size that the ring flange that a plurality of locating pieces enclose to close the spacing space of ring flange that forms match with the size of ring flange, then place the ring flange in the spacing space of ring flange, and fix the position of a plurality of locating pieces and realize the position fixing of ring flange; and then, placing the stand column above the height positioning piece and between the pair of horizontal positioning pieces, enabling one end of the stand column to stretch into the flange plate limiting space from the side opening of the flange plate limiting space to abut against the flange plate, sequentially adjusting the height of the height positioning piece and the gap width between the pair of horizontal positioning pieces according to the welding position of the stand column on the flange plate, realizing the adjustment of the vertical position and the horizontal position of the stand column, and finally welding the stand column and the flange plate. The welding tool for the stand column and the flange plate of the support solves the problem of welding deviation caused by workpiece positioning error or unstable positioning in the welding process, improves the qualification rate of products, is high in positioning efficiency, can be completed by only one person in the welding process, reduces the labor cost and improves the generation efficiency.

2. The utility model provides a welding frock of support stand and ring flange adopts a pair of L type locating piece and at least one style of calligraphy locating piece to cooperate the mode of going on fixing a position the ring flange on the horizontal direction of two differences, can be applicable to the ring flange of various not unidimensional models, simple structure easily adjusts moreover.

3. The utility model provides a welding frock of support stand and ring flange adopts first locking piece to lock L type locating piece in first spout, adopts the second locking piece to lock a style of calligraphy locating piece in the mode in the third spout, simple structure, and the regulation of L type locating piece and a style of calligraphy locating piece and fixed operation are fairly simple, can improve ring flange positioning efficiency.

4. The utility model provides a welding frock of support stand and ring flange adopts two second locking pieces to carry out the mode of fixing respectively to the relative both ends of a style of calligraphy locating piece, can improve the stability behind a style of calligraphy locating piece rigidity, prevents because of the influence of a style of calligraphy locating piece offset to ring flange positioning accuracy.

5. The utility model provides a welding frock of support stand and ring flange adjusts stand horizontal position's horizontal positioning anchor clamps and the mode that the height positioning anchor clamps mutual independence of adjusting the stand height set up, simple structure easily realizes, maneuverability is good.

6. The utility model provides a welding frock of support stand and ring flange rotates adjusting screw, can drive horizontal sliding block and horizontal positioning element and slide along the direction of fourth spout on the slide rail, and this kind of screw slider complex regulation mode, the regulation precision is high, can the position of accurate adjustment horizontal positioning element, and then improves stand horizontal position's positioning accuracy.

7. The utility model provides a welding frock of support stand and ring flange, when the axis direction of horizontal hole is followed to the horizontal adjustment pole, vertical elevating movement is done at vertical downthehole to vertical adjusting lever, realizes the mode of high setting element height adjustment through the inclined plane cooperation between horizontal adjustment pole and the vertical adjusting lever, simple structure, the practicality is high.

8. The utility model provides a welding frock of support stand and ring flange locks the position of adjusting seat upper level adjusting lever through locking screw, can make vertical adjusting lever keep in stable high position department, is favorable to guaranteeing the positioning accuracy of high setting element top stand height.

9. The utility model provides a welding frock of support stand and ring flange sets up V type notch at the top of high positioning table, and the stand is placed difficult emergence after on V type notch and is rotated, is favorable to going on smoothly of welding operation.

10. The utility model provides a welding frock of support stand and ring flange adopts the cooperation of two sets of stand positioning fixture to carry out the mode of fixing a position to the height and the horizontal position of stand, can improve the stability after the stand location.

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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a top view of a welding fixture for a stand column and a flange of a bracket according to an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a front view of a structure of a middle horizontal positioning fixture according to an embodiment of the present invention;

fig. 4 is a front view of a structure of a middle-high positioning fixture according to an embodiment of the present invention.

Description of reference numerals: 1. a base plate; 11. a first chute; 12. a second chute; 13. a third chute; 2. a flange plate positioning clamp; 21. an L-shaped positioning block; 22. a linear positioning block; 23. a first slider; 24. a first locking member; 25. a second locking member; 3. horizontally positioning a clamp; 31. a first mounting seat; 32. a slide rail; 33. adjusting the screw rod; 34. a horizontal positioning member; 35. a horizontal slider; 4. a height positioning jig; 41. a second mounting seat; 42. an adjusting seat; 43. positioning seats; 44. a height positioning member; 441. a vertical adjustment rod; 442. a height positioning table; 443. a V-shaped notch; 45. a horizontal adjustment lever; 46. locking the screw; 5. a flange plate; 6. and (4) a column.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The welding fixture for the stand column and the flange plate of the support shown in fig. 1-4 comprises a bottom plate 1, a flange plate positioning fixture 2 and two sets of stand column positioning fixtures, wherein the flange plate positioning fixture 2 and the two sets of stand column positioning fixtures are arranged above the surface of the bottom plate 1, and each set of stand column positioning fixture comprises a horizontal positioning fixture 3 and a height positioning fixture 4. The flange plate positioning clamp 2 is used for positioning a flange plate 5 to be welded, and the height positioning clamp 4 and the horizontal positioning clamp 3 are respectively used for positioning the vertical position and the horizontal position of an upright post 6 to be welded. In this embodiment, the horizontal positioning fixture 3 and the height positioning fixture 4 are independently arranged on the bottom plate 1, and the column positioning fixture arranged in this way has the advantages of simple structure, easy implementation, good operability and the like. In other alternative embodiments, the horizontal positioning jig 3 may also be disposed above the height positioning jig 4, or the height positioning jig 4 may be disposed above the horizontal positioning jig 3.

In the present embodiment, the flange plate positioning jig 2 includes a pair of L-shaped positioning blocks 21 slidably connected to the bottom plate 1 in a first horizontal direction, and a pair of in-line positioning blocks 22 slidably connected to the bottom plate 1 in a second horizontal direction. A pair of L-shaped positioning blocks 21 and a pair of linear positioning blocks 22 form a flange limiting space for positioning the flange 5 on the bottom plate 1 in a surrounding manner; the pair of L-shaped positioning blocks 21 is used for limiting two opposite side surfaces of the flange 5 and one side surface back to the upright post 6, and the pair of linear positioning blocks 22 is used for limiting one side surface of the flange 5 facing the upright post 6. One side of the flange limiting space is provided with a side opening for the upright post 6 to extend into, and the side opening is positioned between the pair of linear positioning blocks 22. Specifically, the first horizontal direction and the second horizontal direction are two directions perpendicular to each other on the horizontal plane, the first horizontal direction is the same as the radial direction of the to-be-welded column 5, and the second horizontal direction is perpendicular to the thickness direction of the to-be-welded flange 5, that is, the second horizontal direction is the same as the axial direction of the to-be-welded column 6. The mode that the flange 5 is positioned by matching the pair of L-shaped positioning blocks 21 and the pair of linear positioning blocks 22 in two different horizontal directions is adopted, so that the flange positioning device is suitable for flange 5 with various sizes and models, and is simple in structure and easy to adjust. In an alternative embodiment, the flange plate positioning fixture 2 may also be replaced by two L-shaped positioning blocks disposed at two opposite corners of the bottom of the rectangular space; the linear positioning block 22 may also be configured in other shapes, such as an L-shape, as long as the linear positioning block 22 has a side surface capable of limiting the side surface of the flange 5 facing the column 6.

In this embodiment, the bottom plate 1 is provided with a first sliding groove 11 extending in the first horizontal direction, the L-shaped positioning block 21 is provided with a first slider 23 slidably connected to the first sliding groove 11, and the first slider 23 is threadedly connected with a first locking member 24 for locking or unlocking the first slider 23 to or from the first sliding groove 11. A second sliding groove 12 extending along a second horizontal direction is arranged on the bottom plate 1, and a linear positioning block 22 is connected to the second sliding groove 12 in a sliding manner; the bottom plate 1 is further provided with a third sliding groove 13 extending in the same direction as the second sliding groove 12, and the linear positioning block 22 is in threaded connection with a second locking member 25 for locking the linear positioning block 22 to the third sliding groove 13 or releasing the locking between the linear positioning block and the third sliding groove. Specifically, the first locking member 24 and the second locking member 25 are locking screws. The locking and unlocking modes of the L-shaped positioning block 21 and the linear positioning block 22 are realized by adopting the locking screws, the structure is simple, the position adjustment and the positioning fixation operation of the L-shaped positioning block 21 and the linear positioning block 22 are simple, and the positioning efficiency of the flange plate 5 can be improved.

In the present embodiment, there are two third sliding chutes 13, and the two third sliding chutes are disposed in pairs on two opposite sides of the second sliding chute 12; the opposite ends of the linear positioning block 22 are locked to the corresponding third sliding grooves 13 by second locking members 25, respectively. The two second locking pieces 25 are used for fixing the two opposite ends of the linear positioning block 22 respectively, so that the stability of the linear positioning block 22 after the position is fixed can be improved, and the influence on the positioning precision of the flange 5 caused by the position deviation of the linear positioning block 22 is prevented.

In the present embodiment, the horizontal positioning jig 3 and the height positioning jig 4 are both located on the side where the flange positioning jig 2 is provided on the side opening. The horizontal positioning jig 3 includes a first mounting base 31 mounted on the base plate 1, and a pair of horizontal positioning members 34 horizontally connected to the first mounting base 31 in a sliding manner. Specifically, a pair of slide rails 32 is fixed on the first mounting seat 31, a fourth slide groove is formed in the slide rail 32 and arranged along the radial direction of the stand column 6, one end of the slide rail 32 is rotatably connected with an adjusting screw 33 which extends in the same direction as the fourth slide groove and extends into the fourth slide groove, and a horizontal sliding block 35 which is connected to the fourth slide groove in a sliding manner and is in threaded fit with the adjusting screw 33 is connected to the horizontal positioning element 34. Rotating adjusting screw 33, can driving horizontal sliding block 35 and horizontal positioning piece 34 and slide along stand 6's radial direction on slide rail 32, and then adjust the distance in clearance between a pair of horizontal positioning piece 34, realize the adjustment of stand 6 horizontal position, this kind of screw slider complex regulation mode, the regulation precision is high, can the position of accurate adjustment horizontal positioning piece 34, and then improves stand 6 horizontal position's positioning accuracy. Horizontal location piece 34 specifically is the L template, and two vertical faces of a pair of L templates set up in opposite directions, and two vertical faces carry out spacing terminal surface as 6 horizontal positions of stand.

In the present embodiment, the height positioning jig 4 includes a second mounting seat 41 mounted on the base plate 1, and a height positioning member 44 vertically slidably connected to the second mounting seat 41. The height positioning members 44 are located on the median line of the pair of horizontal positioning members 34; the pair of horizontal positioning members 34 and the height positioning member 44 cooperate to form a column-defining space that defines the vertical and horizontal positions of the column 6. The vertical position and the horizontal position of the upright post 6 can be adjusted by placing the upright post 6 above the height positioning piece 44 and between the pair of horizontal positioning pieces 34 and sequentially adjusting the height of the height positioning piece 44 and the width of the gap between the pair of horizontal positioning pieces 34 according to the welding position of the upright post 6 on the flange 5.

Specifically, the second mounting seat 41 is provided with an adjusting seat 42 and a positioning seat 43, the positioning seat 43 is provided with a horizontal hole and a vertical hole communicated with the horizontal hole, and the height positioning member 44 includes a vertical adjusting rod 441 vertically slidably connected to the vertical hole. The adjusting seat 42 is provided with a horizontal adjusting rod 45 which penetrates through the adjusting seat 42 along the axial direction of the horizontal hole and one end of which extends into the horizontal hole; the end part of the horizontal adjusting rod 45 extending into the horizontal hole is provided with a first inclined plane which is matched with a second inclined plane at the bottom of the vertical adjusting rod 441, and when the horizontal adjusting rod 45 moves linearly along the axis direction of the horizontal hole, the vertical adjusting rod 441 moves vertically in the vertical hole. The height of the height positioning piece 44 is adjusted by the inclined plane between the horizontal adjusting rod 45 and the vertical adjusting rod 441, so that the structure is simple, and the practicability is high.

In this embodiment, the adjusting seat 42 is provided with a locking hole arranged along the vertical direction, and the bottom of the locking hole is communicated with a hole in the adjusting seat 42 through which the horizontal adjusting rod 45 passes; a locking screw 46 for locking the horizontal adjustment rod 45 is coupled in the locking hole. The position of the horizontal adjusting rod 45 on the adjusting seat 42 is locked by the locking screw 46, so that the vertical adjusting rod 441 can be kept at a stable height position, and the positioning precision of the height of the upright post 6 above the height positioning piece 44 can be guaranteed.

In this embodiment, the height positioning member 44 further comprises a height positioning platform 442 connected to the top of the vertical adjusting rod 441, and the top of the height positioning platform 442 is provided with a V-shaped notch 443 adapted to carry the upright 6. The V-shaped slot 443 is formed at the top of the height positioning platform 442, and the upright post 6 is not easy to rotate after being placed on the V-shaped slot 443, which is beneficial to smooth welding operation.

In this embodiment, the first mounting seat 31 and the second mounting seat 41 are both slidably mounted on the second sliding groove 12 of the bottom plate 1, and the positions of the first mounting seat 31 and the second mounting seat 41 on the bottom plate 1 are adjustable, so that the welding between the upright posts 6 and the flange 5 with different lengths can be better adapted.

In this embodiment, the upright column 6 can be a steel member with different specifications and types, such as square steel, circular steel tube, U-shaped steel, C-shaped steel and the like; the flange 5 can be circular, square and other different types of flanges 5.

To sum up, the embodiment of the present invention provides a welding fixture for a stand column and a flange, which adjusts the positions of a plurality of positioning blocks on a flange positioning fixture 2 according to the dimensions of a stand column 6 and a flange 5 to be welded, so that the size of a flange limiting space formed by enclosing a plurality of positioning blocks matches the size of the flange 5, and then the flange 5 is placed in the flange limiting space and the positions of the plurality of positioning blocks are fixed to fix the position of the flange 5; then, the upright post 6 is placed above the height positioning piece 44 and between the pair of horizontal positioning pieces 34, one end of the upright post 6 extends into the flange limiting space from the side opening of the flange limiting space to abut against the flange 5, the height of the height positioning piece 44 and the gap width between the pair of horizontal positioning pieces 34 are sequentially adjusted according to the welding position of the upright post 6 on the flange 5, the vertical and horizontal positions of the upright post 6 are adjusted, and finally the upright post 6 and the flange 5 are welded. The welding tool for the stand column and the flange plate of the support solves the problem of welding deviation caused by workpiece positioning error or unstable positioning in the welding process, improves the qualified rate of products, is high in positioning efficiency, can be completed by only one person in the welding process, reduces the labor cost, improves the generation efficiency, and facilitates batch production of the stand column 6 and the flange plate 5.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. The utility model provides a welding frock of support stand and ring flange which characterized in that includes:

a base plate (1);

the flange plate positioning clamp (2) comprises at least two positioning blocks horizontally and slidably connected to the bottom plate (1), and the at least two positioning blocks surround the bottom plate (1) to form a flange plate limiting space for positioning a flange plate (5); one side of the flange limiting space is provided with a side opening for the upright post (6) to extend into;

stand positioning fixture is located side opening one side on bottom plate (1), including horizontal positioning fixture (3) and high positioning fixture (4), horizontal positioning fixture (3) including the level sliding connection in that is in opposite directions in a pair of horizontal location spare (34) of bottom plate (1), high positioning fixture (4) including vertical sliding connection in high location spare (44) of bottom plate (1), it is a pair of horizontal location spare (34) with high location spare (44) cooperation forms and carries out spacing stand spacing space to the vertical and horizontal position of stand (6).

2. The welding tooling for the support stand column and the flange plate according to claim 1, wherein the flange plate positioning fixture (2) comprises a pair of L-shaped positioning blocks (21) which are connected to the bottom plate (1) in a sliding manner along a first horizontal direction in opposite directions, and at least one straight-line-shaped positioning block (22) which is connected to the bottom plate (1) in a sliding manner along a second horizontal direction; the L-shaped positioning blocks (21) are used for limiting the two opposite side faces of the flange (5) and one side face, back to the upright post (6), of the flange, and the straight-line-shaped positioning blocks (22) are used for limiting one side face, facing the upright post (6), of the flange (5).

3. The welding tool for the support stand column and the flange plate according to claim 2, wherein a first sliding groove (11) extending in a first horizontal direction is formed in the bottom plate (1), a first sliding block (23) connected to the first sliding groove (11) in a sliding manner is arranged on the L-shaped positioning block (21), and a first locking member (24) used for locking the first sliding block (23) to the first sliding groove (11) or releasing locking between the first sliding block and the first sliding groove is connected to the first sliding block (23) in a threaded manner; a second sliding groove (12) extending along a second horizontal direction is formed in the bottom plate (1), and the linear positioning block (22) is connected to the second sliding groove (12) in a sliding mode; the bottom plate (1) is further provided with a third sliding groove (13) extending in the same direction as the second sliding groove (12), and the linear positioning block (22) is in threaded connection with a second locking piece (25) used for locking the linear positioning block (22) on the third sliding groove (13) or unlocking the linear positioning block and the third sliding groove.

4. The welding tooling for the support stand column and the flange plate according to claim 3, wherein there are two third sliding grooves (13) which are positioned at two opposite sides of the second sliding groove (12); the opposite ends of the linear positioning block (22) are locked on the corresponding third sliding grooves (13) through the second locking pieces (25).

5. The welding tooling for the support stand column and the flange plate according to claim 1, wherein the horizontal positioning fixture (3) and the height positioning fixture (4) are arranged independently, and the height positioning piece (44) is positioned on a middle line of the pair of horizontal positioning pieces (34); the horizontal positioning clamp (3) further comprises a first mounting seat (31) mounted on the bottom plate (1), and a pair of horizontal positioning pieces (34) are horizontally connected to the first mounting seat (31) in an opposite sliding mode; the height positioning clamp (4) further comprises a second mounting seat (41) mounted on the bottom plate (1), and the height positioning piece (44) is vertically connected to the second mounting seat (41) in a sliding mode.

6. The welding frock of support stand and ring flange of claim 5, characterized in that, be fixed with a pair of slide rail (32) on first mount pad (31), be equipped with the fourth spout that sets up along the second horizontal direction on slide rail (32), it is connected with on slide rail (32) with the fourth spout syntropy extends and stretches into adjusting screw (33) in the fourth spout to rotate, be connected with sliding connection on horizontal positioning element (34) on the fourth spout and with adjusting screw (33) screw-thread fit's horizontal slider (35).

7. The welding tool for the stand column and the flange plate of the bracket as claimed in claim 5, wherein the second mounting seat (41) is provided with an adjusting seat (42) and a positioning seat (43), the positioning seat (43) is provided with a horizontal hole and a vertical hole communicated with the horizontal hole, and the height positioning member (44) comprises a vertical adjusting rod (441) vertically slidably connected to the vertical hole; a horizontal adjusting rod (45) which penetrates through the adjusting seat (42) along the axial direction of the horizontal hole and one end of which extends into the horizontal hole is arranged on the adjusting seat (42); the end part of the horizontal adjusting rod (45) extending into the horizontal hole is provided with a first inclined plane, and the first inclined plane is matched with a second inclined plane at the bottom of the vertical adjusting rod (441).

8. The welding fixture of the support stand column and the flange plate according to claim 7, wherein the adjusting seat (42) is provided with a locking hole arranged along a vertical direction, and the bottom of the locking hole is communicated with a hole in the adjusting seat (42) through which the horizontal adjusting rod (45) passes; and a locking screw (46) for locking the horizontal adjusting rod (45) is connected in the locking hole.

9. The welding fixture for the bracket upright and the flange plate as claimed in claim 7, wherein the height positioning member (44) further comprises a height positioning table (442) connected to the top of the vertical adjusting rod (441), and the top of the height positioning table (442) is provided with a V-shaped notch (443) suitable for bearing an upright (6).

10. The tool for welding the bracket upright and the flange plate according to any one of claims 1 to 9, wherein two groups of upright positioning clamps are arranged along the second horizontal direction.