CN110711986A - Anti-deformation mould for welding H-shaped steel - Google Patents
Anti-deformation mould for welding H-shaped steel Download PDFInfo
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- CN110711986A CN110711986A CN201910813436.5A CN201910813436A CN110711986A CN 110711986 A CN110711986 A CN 110711986A CN 201910813436 A CN201910813436 A CN 201910813436A CN 110711986 A CN110711986 A CN 110711986A
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- frame assembly
- welding
- shaped steel
- plate
- lower frame
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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
-
- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
Abstract
The invention relates to an anti-deformation mould for welding H-shaped steel in the technical field of welding tools, which comprises an upper frame assembly and a lower frame assembly which are arranged in parallel, wherein the corresponding inner sides of the upper frame assembly and the lower frame assembly are parallel to each other, and a plurality of positioning baffles for positioning and welding the H-shaped steel and locking screws for clamping and welding the H-shaped steel are arranged; the left end and the right end of the upper frame assembly and the lower frame assembly in the length direction are fixedly connected through end frames respectively, the upper frame assembly, the lower frame assembly and the end frames on the two sides are fixedly enclosed to form a rectangular rigid box body which is open at the front and the back, the rotating centers of the end frames in the horizontal direction are fixedly provided with horizontal rotating shafts which extend outwards respectively, and the horizontal rotating shafts on the two sides are concentrically arranged and are superposed with the horizontal rotating center of the integral anti-deformation mould; the horizontal rotating shaft is rotatably supported through the supporting frames respectively, a plurality of locking pins are arranged between the end frame and the supporting frames along the rotating circumferential direction, and lifting lugs are arranged at the centers of the front side and the rear side of the upper frame assembly and the lower frame assembly respectively.
Description
Technical Field
The invention relates to the technical field of welding tools, in particular to an anti-deformation mold for welding large and thin H-shaped steel.
Background
The welded H-shaped steel is widely applied to structures such as beams, columns and the like of a building steel structure due to various advantages such as flexibility of section design and the like. The H-shaped steel is characterized in that the flange plate is narrow, and the width is 100mm-200 mm; the member is long and has a dimension of 5995 mm. The H-shaped steel with the narrow and long structural form has small bending resistance and torsion resistance modulus and overlarge slenderness ratio, after gantry submerged arc welding, the bending deformation (lateral bending and arch bending) reaches 20-40 mm, and the distortion reaches 10-15 mm; the bending rise is less than or equal to L/1000 and less than or equal to 10mm, and the twist is less than or equal to H/250 and less than or equal to 5mm in GB50205-2001 'acceptance Standard for construction quality of Steel Structure engineering'; therefore, welding deformation needs to be corrected by flame in the subsequent process, the flame correction precision is low, the efficiency is low, and a large amount of manpower and material resources are consumed. Therefore, how to control the welding deformation in the manufacturing process is critical.
Disclosure of Invention
Aiming at the problems that the welding H-shaped steel with a slender structure in the prior art is easy to weld and deform and the correction difficulty after welding is high, the invention provides the anti-deformation mould for welding the H-shaped steel, which realizes rigid fixing and limiting in the welding process and is convenient for adjusting the angle of a workpiece according to the welding position.
The invention aims to realize the purpose, and the anti-deformation clamping fixture for welding the H-shaped steel comprises an upper frame assembly and a lower frame assembly which are arranged in parallel, wherein the corresponding inner sides of the upper frame assembly and the lower frame assembly are parallel to each other, and a plurality of positioning baffles for positioning and welding the H-shaped steel and locking screw rods for clamping and welding the H-shaped steel are arranged; both ends pass through end frame fixed connection respectively about upper ledge subassembly and lower frame subassembly length direction, the fixed open rectangle rigidity box body around closing the formation of enclosing of end frame of upper ledge subassembly, lower frame subassembly and both sides, the centre of gyration of end frame horizontal direction is fixed respectively and is equipped with the horizontal rotating shaft that stretches out to the outside, and the horizontal rotating shaft of both sides sets up with one heart and coincides with the horizontal centre of gyration of whole shape mould of preapring for an unfavorable turn of events, horizontal rotating shaft rotates the support through the support frame respectively, be provided with a plurality of fitting pins along rotatory circumference between end frame and the support frame, the center of upper ledge subassembly and lower frame subassembly front side and rear side is equipped with the lug respectively.
The anti-deformation clamping fixture for welding the H-shaped steel is characterized in that an upper frame assembly, a lower frame assembly and end frames on two sides are fixedly enclosed to form a rectangular rigid box body which is open at the front and the back and is used for fixing and limiting the H-shaped steel to be welded, a plurality of positioning baffles and locking screws are arranged in the rigid box body and are used for positioning and fixedly welding all parts of the H-shaped steel from different directions and positions, so that welding positioning can be realized, and welding deformation can be prevented; the integral anti-deformation mould can rotate along the horizontal rotating shaft, so that the angle of the mould can be conveniently adjusted according to the welding sequence and the welding position, and the mould is locked to have an angle through the locking pin; the lifting lugs are arranged, so that the auxiliary lifting through a lifting appliance is facilitated when the clamping fixture rotates; in addition, the anti-deformation clamping fixture for welding the H-shaped steel is flexible to use, and can be used together with welding tools of a semi-automatic submerged arc welding trolley, a gantry welding device and a welding robot device; the rigid box body structure of the main body of the anti-deformation clamping fixture has good rigidity, not only can realize positioning and clamping in welding position, but also can effectively prevent welding deformation in work.
In order to ensure the strength and rigidity of the upper frame assembly and the lower frame assembly, the upper frame assembly and the lower frame assembly respectively comprise two I-shaped steels which are arranged in parallel in the front and at the back, waist plates of the two I-shaped steels are vertically arranged, upper leg edges and lower leg edges of the two I-shaped steels are respectively parallel and level and are respectively connected through a plurality of connecting thick plates which are arranged at intervals, and the upper leg edges or the lower leg edges of the two I-shaped steels are respectively and fixedly connected with the same connecting thick plate. According to the upper frame assembly and the lower frame assembly, the two parallel H-shaped steels and the plurality of connecting thick plates which are respectively arranged up and down are connected to form a box-shaped structure with higher rigidity and strength, the length direction of the H-shaped steels is the same as that of the welded H-shaped steels, so that the bending strength and the torsional strength of the upper frame assembly and the lower frame assembly along the length direction are ensured, and the deformation of clamped workpieces is effectively prevented.
Furthermore, the lifting lugs are fixed on the outer sides of the I-shaped steel waist plates.
In order to further improve the connection strength between the upper frame assembly and the lower frame assembly, the end frame is made of section steel, and the section steel is bridged on the end parts of the upper frame assembly and the lower frame assembly along the length direction.
Furthermore, the section steel of the end frame is H-shaped steel, channel steel, square steel or I-shaped steel, and a plurality of reinforcing rib plates are arranged in the steel section at intervals along the length direction.
In order to conveniently and flexibly adjust the positions of positioning and fastening components according to the size of welded H-shaped steel, the two I-shaped steels of the upper frame assembly and the lower frame assembly are arranged at intervals front and back, a connecting thick plate between the lower leg edges of the two I-shaped steels of the upper frame assembly is provided with a vertical locking screw rod, a through hole I which is convenient for the locking screw rod to pass through is arranged on the connecting thick plate, a fixing nut I which is concentric with the through hole I is fixed on the inner side of the connecting thick plate, and the vertical locking screw rod is in threaded connection with the fixing nut I and extends out of the outer side of the connecting; the positioning baffle plates are respectively arranged between the connecting thick plates on the lower side of the upper frame assembly and the upper side of the lower frame assembly, each positioning baffle plate is provided with a vertical blocking and leaning surface, and each blocking and leaning surface is positioned in the same vertical plane and deviates from the center of the vertical locking screw rod by a certain distance; and horizontal locking screws are respectively arranged on the connecting thick plates on the other side of the vertical locking screw opposite to the positioning baffle, and the axial direction of each horizontal locking screw is vertical to the blocking and leaning surface of the positioning baffle.
In order to facilitate fixing and adjusting of the horizontal locking screw rod, the horizontal locking screw rod is fixed with a vertical plate fixed with the thick connecting plate through a first vertical plate, a second through hole is formed in the center of the vertical plate, a second fixing nut is concentrically fixed on the vertical plate on the outer side of the second through hole, and the horizontal locking screw rod is in threaded fit with the second fixing nut and penetrates through the second through hole.
In order to facilitate the multi-position simultaneous positioning and clamping of the workpiece, at least one group of positioning baffle plates, vertical locking screws and horizontal locking screws are respectively arranged on each connecting thick plate on the opposite sides of the upper frame assembly and the lower frame assembly.
Furthermore, the support frame comprises a support plate which is vertically arranged, a horizontal bottom plate is fixed at the bottom of the support plate, and a triangular reinforcing rib plate is arranged outside the support plate which is connected with the bottom plate at a right angle; and a supporting hole which is used for rotatably supporting the upper opening of the horizontal rotating shaft is arranged in the center of the upper part of the supporting plate.
In order to facilitate the installation and connection of the locking pin, a plurality of pin holes are symmetrically formed in the end frame relative to the circumferential center of the rotation center of the horizontal rotating shaft, a plurality of fixing pin holes corresponding to the pin holes of the end frame are symmetrically formed in the support frame relative to the circumferential center of the rotation center of the horizontal rotating shaft, and the pin holes of the rear end frame and the fixing pin holes in the support frame are concentrically and oppositely fixed through the locking pin at the appropriate rotation position of the horizontal rotating shaft.
Drawings
Fig. 1 is a front view of a deformation prevention clamping fixture for welding H-shaped steel according to the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a cross-sectional view taken along a-a of fig. 1.
Fig. 4 is a left side view of fig. 1.
Fig. 5 is a schematic view of a welding state of the deformation prevention clamping fixture for welding H-shaped steel of the present invention rotating a certain angle after clamping a workpiece.
Wherein, 1 is an upper frame component, and 2 is a lower frame component; 3, end frame; 4, reinforcing rib plates; 5, a horizontal rotating shaft; 6, supporting frames; 7, lifting lugs; 8, positioning a baffle plate; 9 a locking pin; 10 connecting thick plates; 11H-shaped steel; 12 vertically locking the screw rod; 13 fixing the first nut; 14 horizontal locking screw rods; 15 fixing a second nut; 16 vertical plates; 17 welding H-shaped steel; 18 pin holes; 19 fixing pin holes; 20 gantry welding machine.
Detailed Description
The following describes the embodiments of the present invention in detail with reference to the drawings, and for the sake of clarity and clarity, the upper, lower, front, rear, left, and right orientations described in the present specification are not fixed to the orientations shown in the front view.
As shown in fig. 1-5, the anti-deformation clamping fixture for welding H-shaped steel of the present invention comprises an upper frame assembly 1 and a lower frame assembly 2 which are arranged in parallel, wherein corresponding inner sides of the upper frame assembly 1 and the lower frame assembly 2 are parallel to each other, and a welding H-shaped steel 17 to be welded is positioned and installed between the upper frame assembly 1 and the lower frame assembly 2; a plurality of positioning baffles 8 for positioning and welding the H-shaped steel, a vertical locking screw 12 for clamping and welding the H-shaped steel and a horizontal locking screw 14 are arranged on the corresponding inner sides of the upper frame component 1 and the lower frame component 2; the left end and the right end of the upper frame assembly 1 and the lower frame assembly 2 in the length direction are fixedly connected through an end frame 3 respectively. Like this, go up frame subassembly 1, lower frame subassembly 2 and the end frame 3 of both sides are fixed encloses to close and forms the open rectangle rigidity box body in front and back, are used for clamping and fixed-position welding work piece in the box body, and the open form in front and back is convenient for set up location and dress card part, also is convenient for weld the seam position simultaneously and welds.
The angle of rotatory mould and work piece when being convenient for the welding, the centre of gyration of end frame 3 horizontal direction is fixed respectively is equipped with the horizontal rotating shaft 5 that stretches out to the outside, the horizontal rotating shaft 5 of both sides sets up with one heart and coincides with the horizontal centre of gyration of whole anti-deformation mould, horizontal rotating shaft 5 rotates the support through support frame 6 respectively, be provided with a plurality of fitting pins 9 along rotatory circumference between end frame 3 and the support frame 6, the center of going up frame subassembly 1 and 2 front sides of lower frame subassembly and rear side is equipped with lug 7 respectively.
In order to ensure the strength and rigidity of the upper frame assembly 1 and the lower frame assembly 2, as shown in fig. 3, the upper frame assembly 1 and the lower frame assembly 2 respectively comprise two i-shaped steels 11 arranged in parallel front and back, waist plates of the two i-shaped steels 11 are vertically arranged, upper leg edges and lower leg edges of the two i-shaped steels 11 are respectively flush and level and are respectively connected into a fixed whole through a plurality of connecting thick plates 10 arranged at intervals, and the upper leg edges or the lower leg edges of the two i-shaped steels are respectively and fixedly connected with the same connecting thick plate 10; in order to facilitate the rotation of the whole mould by the aid of a lifting appliance, the lifting lugs are fixed on the outer sides of the I-shaped steel waist plates. In the upper frame assembly 1 and the lower frame assembly 2 of the present embodiment, two parallel i-shaped steels 11 and a plurality of thick connecting plates 10 respectively arranged on the upper and lower sides of the i-shaped steels are connected to form a box-shaped structure with high rigidity and strength; the upper frame assembly 1 and the lower frame assembly 2 are ensured to have certain bending resistance and torsion resistance along the length direction, and a workpiece to be welded is clamped between the upper frame assembly and the lower frame assembly, so that welding deformation is effectively prevented.
For further joint strength between frame subassembly 1 and the lower frame subassembly 2, end frame 3 is shaped steel, this shaped steel 3 along the length direction bridge joint in the tip of frame subassembly 1 and lower frame subassembly 2 down, the shaped steel of end frame 3 can be chooseed for use and is H shaped steel, the channel-section steel, square steel or I-steel, for the intensity of ensureing shaped steel, still the interval is equipped with a plurality of deep floor 4 along length direction in the steel type, the shaped steel of chooseing for use in this embodiment is the I-steel, the length direction's of I-steel both ends and the last reason of frame subassembly 1 and the lower edge parallel and level of lower frame subassembly 2.
As shown in fig. 2, in the present embodiment, two i-shaped steels 11 of an upper frame assembly 1 and a lower frame assembly 2 are arranged at a front-rear interval, a vertical locking screw 12 is fixedly connected to a thick connecting plate 10 between lower leg edges of the two i-shaped steels 11 of the upper frame assembly 1, the thick connecting plate 10 is provided with a first through hole through which the vertical locking screw 12 can pass conveniently, a first fixing nut 13 concentric with the first through hole is fixed on the inner side of the thick connecting plate 10, and the vertical locking screw 12 is in threaded connection with the first fixing nut 13 and extends out of the outer side of the thick connecting plate 10 through the first through hole; the vertical locking screw is used for vertically abutting against an upper wing plate of a welding H-shaped steel 17 to be welded, positioning baffle plates 8 are respectively and fixedly arranged between the lower side of the upper frame component 1 and each connecting thick plate 10 on the upper side of the lower frame component 2, each positioning baffle plate 8 is provided with a vertical blocking and leaning surface, and each blocking and leaning surface is positioned in the same vertical plane and deviates from the center of the vertical locking screw 12 by a certain distance; the connecting thick plates 10 on the other side of the vertical locking screw opposite to the positioning baffle 8 are respectively and fixedly connected with horizontal locking screws 14, the axial direction of each horizontal locking screw 14 is vertical to the blocking and leaning surface of the positioning baffle 8, the horizontal locking screws 14 are used for propping and fixing the side edges of the upper wing plate and the lower wing plate of the welding H-shaped steel 17 to be welded in the horizontal direction, and the other side edge of each wing plate leans against the blocking and leaning surface of the positioning baffle 8; in order to facilitate multi-position co-location and clamping of workpieces, at least one group of locating baffle plates 8, a vertical locking screw 12 and a horizontal locking screw 14 are respectively arranged on each connecting thick plate 10 on the opposite sides of the upper frame assembly 1 and the lower frame assembly 2; in order to facilitate the fixing and adjustment of the horizontal locking screw 14, the horizontal locking screw 14 is fixed through a vertical plate 16 fixed with the thick connecting plate 10, a second through hole is formed in the center of the vertical plate 16, a second fixing nut 15 is concentrically fixed on the vertical plate 16 outside the second through hole, and the horizontal locking screw 14 is in threaded fit with the second fixing nut 15 and penetrates through the second through hole. In this embodiment, the welding H-beam 17 to be welded is fixed by the positioning baffle 8 and the horizontal locking screw 14 in the horizontal direction, and is fixed by the vertical locking screw 12 in the vertical direction, so as to fix and clamp the welding H-beam of a slender structure.
The supporting frame 6 of the embodiment includes a supporting plate 601 vertically arranged, a horizontal bottom plate 602 is fixed at the bottom of the supporting plate 601, and a triangular reinforcing rib plate 603 is arranged outside the supporting plate 601 and the bottom plate 602 which are connected in a right angle; the center of the upper part of the supporting plate 601 is provided with a supporting hole for rotatably supporting the upper opening of the horizontal rotating shaft 5.
In order to facilitate the installation and connection of the locking pin, a plurality of pin holes 19 are symmetrically formed in the end frame 3 relative to the circumferential center of the rotation center of the horizontal rotating shaft 5, a plurality of fixing pin holes 18 corresponding to the pin holes 19 of the end frame are symmetrically formed in the supporting plate 601 relative to the circumferential center of the rotation center of the horizontal rotating shaft, and the pin holes 19 of the end frame and the fixing pin holes 18 of the supporting plate 601 are concentrically and oppositely fixed through the locking pin 9 after the horizontal rotating shaft 5 rotates at a proper position; as shown in fig. 4 and 5, in the present embodiment, four pin holes are symmetrically provided in the upper side and the lower side of the end bell relative to the rotation center, the upper side and the lower side being two, and the pin holes having the same rotation radius; two fixing pin holes 18 are symmetrically formed at both sides of the support plate 60 with respect to the rotation center.
The utility model discloses a be used for H shaped steel welded mould of preapring for an unfavorable turn of events, before the clamping work piece, at first spot welding frock will treat welded welding H shaped steel 17 according to size equipment and spot welding fixed, then adorn between upper frame subassembly 1 and lower frame subassembly 2 through the hoist, because of welding H shaped steel 17 pterygoid lamina is narrower, only need suitable upset can block in between upper frame subassembly 1 and the lower frame subassembly 3, then transfer to the vertical direction of web, the upside of lower frame subassembly is arranged in to the lower pterygoid lamina, the lateral margin of one side supports with the fender of position baffle 8 and leans on, the opposite side passes through the locking screw lock of level locking screw, the upper pterygoid lamina upside is through the tight lock of perpendicular locking screw 12 top. For weldments with the slender structures, main welding seams are distributed in a slender mode, in the embodiment, a welding production line adopts a gantry welding machine 20 to weld in a ship-shaped welding mode, welding seams are welded one by one according to the preset sequence of a, b, c and d, during welding, one lifting lug is hooked by a lifting appliance, the deformation-preventing clamping fixture is integrally rotated, the position of the welding seam to be welded is enabled to be upward so as to facilitate welding, meanwhile, a pin hole 19 of an end frame is enabled to be opposite to a nearby fixing pin hole on a support frame, a locking pin 9 is inserted into the end frame, the angle of the locking pin 9 and the angle of the clamping fixture is fixed, and the clamping fixture and a workpiece are prevented from rotating in. And then starting a welding machine to carry out welding construction. And after the whole welding seam is welded, rotating the tire to form an angle, adjusting the orientation of the welding seam to be welded of the lower strip and facilitating the welding angle, then aligning the pin hole and the fixing pin hole to be locked and fixed, performing secondary welding construction until all the welding seams are welded, and after the working temperature is reduced to 50 degrees, loosening all the locking pieces and taking down the welded workpiece.
The welding of the large and slender H-shaped steel by the embodiment of the invention has the following advantages: the clamping fixture tool with the box-type structure has good rigidity and strength, the workpiece is fixed and locked in the clamping fixture from the horizontal direction and the vertical direction, the welding deformation is small, the welded workpiece does not need an additional correction process, the welding efficiency is improved, and the production period is shortened; the clamping fixture is convenient and flexible to rotate in the welding process, the operation is simple, and external auxiliary tools are reduced; the use is flexible, and the semi-automatic submerged arc welding trolley, the gantry welding equipment and the welding robot equipment can be matched.
The deformation-preventing clamping fixture structure for welding the H-shaped steel is not limited to the above embodiments, and basically, in the technical scheme of the invention, a person skilled in the art can appropriately change the section steel structure or other connection modes of each component of the clamping fixture according to needs, and the protection scope of the invention is achieved.
Claims (10)
1. The anti-deformation mould for welding the H-shaped steel is characterized by comprising an upper frame component and a lower frame component which are arranged in parallel, wherein the corresponding inner sides of the upper frame component and the lower frame component are parallel to each other, and a plurality of positioning baffles for positioning and welding the H-shaped steel and locking screw rods for clamping and welding the H-shaped steel are arranged; the left end and the right end of the upper frame assembly and the right end of the lower frame assembly in the length direction are fixedly connected through end frames respectively, the upper frame assembly, the lower frame assembly and the end frames on the two sides are fixedly enclosed to form a rectangular rigid box body with an open front and back, horizontal rotating shafts extending outwards are fixedly arranged at the rotating centers of the end frames in the horizontal direction respectively, and the horizontal rotating shafts on the two sides are concentrically arranged and are overlapped with the horizontal rotating center of the integral anti-deformation mold; the horizontal rotating shaft is rotatably supported through the supporting frames respectively, a plurality of locking pins are arranged between the end frame and the supporting frames along the rotating circumferential direction, and lifting lugs are arranged at the centers of the front side and the rear side of the upper frame assembly and the lower frame assembly respectively.
2. The anti-deformation clamping fixture for welding the H-shaped steel according to claim 1, wherein the upper frame assembly and the lower frame assembly respectively comprise two I-shaped steels which are arranged in parallel in the front and back direction, waist plates of the two I-shaped steels are arranged vertically, upper leg edges and lower leg edges of the two I-shaped steels are respectively flush and connected through a plurality of connecting thick plates which are arranged at intervals, and the same connecting thick plate is fixedly connected with the upper leg edges or the lower leg edges of the two I-shaped steels respectively.
3. The anti-deformation clamping fixture for welding the H-shaped steel according to claim 2, wherein the lifting lugs are fixed on the outer side of the waist plate of each I-shaped steel.
4. The anti-deformation clamping fixture for welding the H-shaped steel according to claim 1, wherein the end frames are the shaped steel, and the shaped steel is bridged on the end parts of the upper frame assembly and the lower frame assembly along the length direction.
5. The anti-deformation clamping fixture for welding the H-shaped steel according to claim 4, wherein the section steel of the end frame is H-shaped steel, channel steel, square steel or I-shaped steel, and a plurality of reinforcing rib plates are arranged in the steel section at intervals along the length direction.
6. The anti-deformation clamping fixture for welding the H-shaped steel according to claim 2, wherein the two I-shaped steels of the upper frame assembly and the lower frame assembly are arranged at a front-back interval, a vertical locking screw is arranged on a connecting thick plate between lower leg edges of the two I-shaped steels of the upper frame assembly, a first through hole for the vertical locking screw to pass through is formed in the connecting thick plate, a first fixing nut concentric with the first through hole is fixed on the inner side of the connecting thick plate, and the vertical locking screw is in threaded connection with the first fixing nut and extends out of the outer side of the connecting thick plate through the first through hole for vertically jacking a workpiece; the positioning baffle plates are respectively arranged between the connecting thick plates on the lower side of the upper frame assembly and the upper side of the lower frame assembly, each positioning baffle plate is provided with a vertical blocking and leaning surface, and each blocking and leaning surface is positioned in the same vertical plane and deviates from the center of the vertical locking screw rod by a certain distance; and horizontal locking screws are respectively arranged on the connecting thick plates on the other side of the vertical locking screw opposite to the positioning baffle, and the axial direction of each horizontal locking screw is vertical to the blocking and leaning surface of the positioning baffle.
7. The anti-deformation clamping fixture for welding the H-shaped steel according to claim 6, wherein the horizontal locking screw is fixed through a vertical plate fixed with the thick connecting plate, a second through hole is formed in the center of the vertical plate, a second fixing nut is concentrically fixed on the vertical plate outside the second through hole, and the horizontal locking screw is in threaded fit with the second fixing nut and penetrates through the second through hole to be used for tightly jacking the workpiece.
8. The anti-deformation clamping fixture for welding the H-shaped steel according to claim 6, wherein at least one set of positioning baffle, vertical locking screw and horizontal locking screw is respectively arranged on each connecting thick plate at the opposite sides of the upper frame assembly and the lower frame assembly.
9. The anti-deformation clamping fixture for welding the H-shaped steel according to claim 6, wherein the supporting frame comprises a supporting plate which is vertically arranged, a horizontal bottom plate is fixed at the bottom of the supporting plate, and a triangular reinforcing rib plate is arranged outside the supporting plate which is connected with the bottom plate in a right angle; and a supporting hole which is used for rotatably supporting the upper opening of the horizontal rotating shaft is arranged in the center of the upper part of the supporting plate.
10. The anti-deformation clamping fixture for welding the H-shaped steel according to claim 6, wherein a plurality of pin holes are symmetrically formed in the end frame relative to the circumferential center of the rotation center of the horizontal rotating shaft, a plurality of fixing pin holes corresponding to the pin holes of the end frame are symmetrically formed in the supporting frame relative to the circumferential center of the rotation center of the horizontal rotating shaft, and the pin holes of the rear end frame and the fixing pin holes of the supporting frame are concentrically and oppositely fixed through the locking pins at proper positions of rotation of the horizontal rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910813436.5A CN110711986A (en) | 2019-08-30 | 2019-08-30 | Anti-deformation mould for welding H-shaped steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910813436.5A CN110711986A (en) | 2019-08-30 | 2019-08-30 | Anti-deformation mould for welding H-shaped steel |
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| Publication Number | Publication Date |
|---|---|
| CN110711986A true CN110711986A (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910813436.5A Withdrawn CN110711986A (en) | 2019-08-30 | 2019-08-30 | Anti-deformation mould for welding H-shaped steel |
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| Country | Link |
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| CN (1) | CN110711986A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113042958A (en) * | 2021-04-13 | 2021-06-29 | 河南省安装集团有限责任公司 | Efficient welding equipment for H-shaped steel and using method thereof |
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| JPS5677096A (en) * | 1980-11-10 | 1981-06-25 | Kenji Onishi | Reversing device for welding |
| CN108942061A (en) * | 2018-06-05 | 2018-12-07 | 共享钢构有限责任公司 | A kind of steel member displacement device and welding equipment |
| CN208800971U (en) * | 2018-10-12 | 2019-04-30 | 山东华泰钢结构工程有限公司 | A kind of fixation device when super-huge welding for steel structure component |
| CN110039236A (en) * | 2019-04-11 | 2019-07-23 | 广东奇正科技有限公司 | A kind of welding fixture of the guide rail of attachment type raise scaffold |
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2019
- 2019-08-30 CN CN201910813436.5A patent/CN110711986A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5677096A (en) * | 1980-11-10 | 1981-06-25 | Kenji Onishi | Reversing device for welding |
| CN108942061A (en) * | 2018-06-05 | 2018-12-07 | 共享钢构有限责任公司 | A kind of steel member displacement device and welding equipment |
| CN208800971U (en) * | 2018-10-12 | 2019-04-30 | 山东华泰钢结构工程有限公司 | A kind of fixation device when super-huge welding for steel structure component |
| CN110039236A (en) * | 2019-04-11 | 2019-07-23 | 广东奇正科技有限公司 | A kind of welding fixture of the guide rail of attachment type raise scaffold |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113042958A (en) * | 2021-04-13 | 2021-06-29 | 河南省安装集团有限责任公司 | Efficient welding equipment for H-shaped steel and using method thereof |
| CN113042958B (en) * | 2021-04-13 | 2023-01-10 | 河南省安装集团有限责任公司 | Efficient welding equipment for H-shaped steel and using method thereof |
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Application publication date: 20200121 |
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