CN109079397A - A kind of large-size stainless steel welded H section steel group weldering positioning device - Google Patents
A kind of large-size stainless steel welded H section steel group weldering positioning device Download PDFInfo
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- CN109079397A CN109079397A CN201811203539.1A CN201811203539A CN109079397A CN 109079397 A CN109079397 A CN 109079397A CN 201811203539 A CN201811203539 A CN 201811203539A CN 109079397 A CN109079397 A CN 109079397A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- 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
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a kind of large-size stainless steel welded H section steel groups to weld positioning device, described device includes posting (1) and locking member (2), wherein, the posting (1) is for group to the steel plate of H profile steel, the locking member (2) is rotatably connected on posting (1) by rotary shaft (3), so that the steel plate position of group pair is fixed.Welder of the present invention, ingenious in design, easily operated, versatile, welding quality and high-efficient, welding difficulty is small.
Description
Technical field
The present invention relates to nuclear power fields, and in particular to the large-scale welded H in nuclear power Nuclear island equipment residual heat removal exchanger
The manufacture of fashioned iron more particularly to a kind of large-size stainless steel welded H section steel group weld positioning device.
Background technique
H profile steel is widely used in workshop building, skyscraper, bridge construction and other large-scale steel structures, and large size is not
Rust steel H profile steel is usually used in the product structure of condition harshness, bad environments operating condition.Such as: nuclear island of nuclear power station equipment Residual heat removal
Heat exchanger is immersed in throughout the year in the cooling water under containment, the whole stainless steel H-type for being 280mm × 280mm by specification of equipment
Steel frame and heat-exchanging tube bundle part are constituted, and carry the critical function for excluding nuclear reactor waste heat.Wherein, such large size is stainless
Steel H profile steel wall thickness is big, outer dimension requires strictly, and roll forming difficulty is big, involves great expense.
In view of the above-mentioned problems, solving in the prior art frequently with the method for welding preparation H profile steel, this method mainly passes through
Three sections of external contour machinings of steel plate group postwelding are shaped to obtain.But large-scale welded H section steel for welding quality and postwelding at
Shape size is more demanding, has the following problems in actual application:
(1) weld seam of large-scale welded H section steel is longer, for the quality for ensuring H profile steel, needs the weld seam at steel plate docking is complete
Complete penetraction and fusion in welding, and it is made to meet higher nondestructive inspection class requirement, welding capacity is larger, but due to stainless steel material linear expansion coefficient
The characteristic high, resistivity is big, thermal conductivity is low is also easy to produce deformation after welding is cooling, it is difficult to by hanging down between the H profile steel steel plate of postwelding
Straight degree and position degree control are in claimed range；
(2) welding uses downhand welding position, needs repeatedly to overturn H profile steel, is easy to make during hanging and turning over and freely weld
At the deformation of H profile steel, need repeatedly to be corrected commissure.
Therefore, at present urgent need to resolve the problem of be design a kind of large-size stainless steel welded H section steel group weldering positioning device so that
Verticality and position degree between welding process light plate remain unchanged, and welding precision is high.
Summary of the invention
In order to overcome the above problem, present inventor has performed sharp studies, design a kind of large-size stainless steel welded H section steel
Group weldering positioning device, which includes the locking for group to the posting of H profile steel steel plate and for fixing group to steel plate position
Part, can make accurate group of each section steel plate of H profile steel to and can satisfy the welding of welded H section steel and shrink, improve welding precision
And welding efficiency, so as to complete the present invention.
In particular it is object of the present invention to provide following aspect:
In a first aspect, providing a kind of large-size stainless steel welded H section steel group weldering positioning device, wherein described device includes
Posting 1 and locking member 2, wherein the posting 1 for group to the steel plate of H profile steel,
The locking member 2 is rotatably connected on posting 1 by rotary shaft 3, so that the steel plate position of group pair is fixed.
Second aspect provides a kind of welding method of large-size stainless steel welded H section steel, it is preferred to use described in first aspect
Group weld positioning device, wherein the described method comprises the following steps:
Step 1, installation, adjustment group weld positioning device；
Step 2, the steel plate of erecting and welding H profile steel, the accurate group of wing plate and web to wherein side；
Step 3, supporting element 5 is installed, lifting is welded；
Step 4, after the completion of welding, loose component is adjusted, the accurate group pair of another side wing and web is carried out, supporting element is installed
Afterwards, it then is welded, completes the welding of H profile steel.
Beneficial effect possessed by the present invention includes:
(1) provided by the invention group of weldering positioning device, structure novel is ingenious in design, easily operated, versatile, welding
Quality is high；
(2) provided by the invention group of weldering positioning device can be realized the precise positioning to welded H section steel web and wing plate,
And the steel plate of group pair can be rigidly fixed, it prevents in welding process because of web caused by there are welding deformation and wing plate angle
Change；
(3) provided by the invention group of weldering positioning device, locking member and positioning plate collective effect, so that web lower surface and fixed
Be sliding contact between the plate of position, to be in rolling contact between web upper surface and locking member, in welding web can with and only can edge
Weld shrinkage direction movement, the verticality without influencing wing plate and web；
(4) outside of locking member, and its internal concave structure is arranged in provided by the invention group of weldering positioning device, supporting element
It coincide with the outer profile of posting, so that supporting element, which is capable of fixing, is connected to a group outside for weldering positioning device, so that H in turning course
The steel plate position of fashioned iron is fixed, and welding deformation is prevented；
(5) provided by the invention group of weldering positioning device, supporting element outer profile are that circle sets whole device in welding
The welding of downhand welding bit interleaving is realized on turning rolls, being easy to turn round, it is time saving and energy saving, reduce manufacture difficulty.
Detailed description of the invention
The structure and welding schematic diagram of Fig. 1 welded H section steel of the present invention；
Fig. 2 shows the overall structure diagrams of of the present invention group of weldering positioning device；
Fig. 3 shows the overall structure diagram of posting of the present invention；
Fig. 4 shows the side view of posting of the present invention；
Fig. 5 shows the structural schematic diagram of locking member of the present invention；
Fig. 6 shows welded H section steel of the present invention and adjusts orientation and downhand welding position schematic diagram in posting；
Fig. 7 shows structural schematic diagram when of the present invention group of weldering positioning device welding.Drawing reference numeral explanation:
1- posting；
11- positioning plate；
12- mandril；
13- side lever；
14- bottom bar；
The first regulating part of 15-；
The second regulating part of 16-；
17- axis ear；
18- groove；
2- locking member；
21-V shape side plate；
22- idler wheel；
23- fixing axle；
3- rotary shaft；
4- fixing piece；
5- supporting element；
100- web；
200- wing plate；
α-bevel angle；
A- welded gaps；
The distance between B- wing plate；
PA- downhand welding position.
Specific embodiment
Below by drawings and embodiments, the present invention is described in more detail.Illustrated by these, spy of the invention
Point and advantage will become more apparent from clear.Wherein, although the various aspects of embodiment are shown in the attached drawings, unless
It particularly points out, it is not necessary to attached drawing drawn to scale.
Heretofore described welded H section steel, as shown in Figure 1, including web 100 and wing plate 200, before welding, by the wing
It is grouped after plate machine-shaping with web, welding position is double V groove at two, and bevel angle α is 60 °, between the welding of groove
Gap A is 3~4mm, and the distance between wing plate is B, and the web of the H profile steel of welding fabrication and the verticality of wing plate are 1.5mm.
The present inventor is the study found that double V groove needs to weld in weld seam two sides, it is therefore intended that: after back cover is welded in the side (i)
It can be handled from other side back chipping, it is ensured that the welding quality of the root of weld；(ii) weld side can generate welding contraction when welding, make abdomen
Weld seam between plate 100 and wing plate 200 generates internal stress, and can deform when stress is excessive leads to angle between web and wing plate
Degree, which becomes smaller, even generates plastic deformation, and alternately welding can balance the welding stress of weld seam two sides, good control in two sides shunting
Welding deformation.
The present inventors have additionally discovered that the welded gaps of groove can be 0mm welding cooling after-contraction, so to ensure H profile steel
Welding quality and postwelding outer dimension, when should regulate welded gaps, i.e. welding when web is docked with wing plate wing plate and
The welded gaps A of web allows free shrink, but the two angle is not allowed to change.
Therefore, in the present invention preferably using group weld positioning device come accurate group to the steel plate that rigidly fixes welded H section steel
(i.e. web and wing plate).
The present invention provides a kind of large-size stainless steel welded H section steel groups to weld positioning device, as shown in Fig. 2, described group of weldering is fixed
Position device includes posting 1 and locking member 2, wherein the posting 1 for group to the steel plate of H profile steel,
The locking member 2 is rotatably connected on posting 1 by rotary shaft 3, so that the steel plate position of group pair is fixed.
A kind of preferred embodiment according to the present invention, as shown in figure 3, the posting 1 is adjustable welding steel
Structure framework.
In further preferred embodiment, the posting 1 is rectangular parallelepiped structure.
In embodiment still more preferably, the posting 1 includes mandril 12 and bottom bar 14, wherein the top
Bar 12 and bottom bar 14 are arranged in parallel, and include two.
Wherein, the mandril 12 is two long sides of cuboid upper surface, and the bottom bar 14 is the two of cuboid lower surface
Long side, the length of the two can the length of H profile steel according to actual needs determine.
In the present invention, the face parallel with web, is located at when the upper surface with lower surface of the cuboid are welded H section steel
It is upper surface above web, is lower surface below web.
A kind of preferred embodiment according to the present invention is evenly arranged with multiple sides between the mandril 12 and bottom bar 14
The outside of mandril 12 and bottom bar 14 is arranged in bar 13, the side lever 13.
In further preferred embodiment, the side lever 13 is evenly distributed on the two sides of mandril 12 and bottom bar 14, excellent
Selection of land, the quantity for being distributed in the side lever of every side are identical.
Wherein, the mandril and bottom bar positioned at cuboid posting side form a side, and side is another in contrast
A mandril and bottom bar form another side, and the side lever is evenly distributed on the outside of two sides.
In embodiment still more preferably, the side lever 13 is each perpendicular to mandril 12 and bottom bar 14.
A kind of preferred embodiment according to the present invention is provided with axis ear in wherein one outside of the mandril 12
17, the axis ear 17 have it is multiple, the top of ipsilateral side lever 13 is set.
In further preferred embodiment, fluted 18 are arranged on another mandril 12, the groove 18 is arranged
It is corresponding with the position of axis ear 17 on the top of ipsilateral side lever 13.
A kind of preferred embodiment according to the present invention, as shown in figure 3, being additionally provided with multiple positioning inside posting 1
Plate 11, the position for positioning welding H profile steel steel plate.
In further preferred embodiment, the positioning plate 11 is fixed on two foundation bars 14 by crossbeam, described
The plate face of positioning plate 11 is perpendicular to bottom bar 14.
In embodiment still more preferably, the positioning plate 11 have it is multiple, be uniformly arranged on the interior of posting 1
Portion,
Preferably, the positioning plate 11 is equipped in the position for leaning on proximal stem 13.
It is highly preferred that the distance between described adjacent positioned plate 11 is 0.8~1.0m.
Wherein, the crossbeam of the positioning plate 11 is abutted with the side of side lever 13.
A kind of preferred embodiment according to the present invention, as shown in Figures 3 and 4, the top surface of the positioning plate 11 and welded H type
The web 100 of steel contacts, with positioning web；
The side of the positioning plate 11 is contacted with the wing plate 200 of welded H section steel, to position wing plate.
In further preferred embodiment, the top surface of the multiple positioning plate 11 is in same level, in parallel
Plane where two foundation bar 14, and/or
The distance that the multiple positioning plate 11 is located at bottom bar similar in the lateral distance of the same side is identical.
In embodiment still more preferably, as shown in figure 4, the length L of the positioning plate 11 is less than welded H section steel
The distance between two wing plates B.
In the present invention, when welding, the wing plate of side is welded and fixed with web first, then carries out another side wing again
Welding, therefore, is set smaller than the distance between two wing plates for the length L of positioning plate, in favor of adjusting the weldering of web and wing plate
Connect gap.
A kind of preferred embodiment according to the present invention is additionally provided with the first regulating part 15 on the bottom bar 14, is used for
Adjust the vertical height of welded H section steel wing plate.
In the present invention, the bottom surface of the welded H section steel wing plate is abutted with the first regulating part 15, is adjusted by adjusting first
The vertical height of part 15 so that wing plate is moved in vertical direction, and then makes the welding position of wing plate and the welding position essence of web
Quasi- docking.
In further preferred embodiment, first regulating part 15 have it is multiple, be uniformly arranged on bottom bar 14
On, enable wing plate uniform stressed.
In embodiment still more preferably, first regulating part 15 is jackscrew.
A kind of preferred embodiment according to the present invention is additionally provided with the second regulating part 16 on the side lever 13, will
Wing plate is fixed on the side of positioning plate 11.
In further preferred embodiment, second regulating part 16 have it is multiple, preferably set on every side lever
It is equipped with 2, wherein one is connected in the middle part of wing plate, another is connected to wing plate lower end, so that wing plate uniform force.
In embodiment still more preferably, second regulating part 16 is jackscrew.
In the present invention, in the position of each positioning plate, 2 the first regulating parts and 2 second tune are preferably equipped with
Part is saved, so that uniform force, wing plate inside are close with the side of positioning plate during the welding process for the wing plates on two sides of welded H section steel
Contact, position is fixed.
A kind of preferred embodiment according to the present invention, as shown in Figure 1 and Figure 5, one end of the locking member 2 pass through rotation
Axis 3 is fixed on axis ear 17,
The other end is detachably mounted in groove 18 by fixing piece 4.
Wherein, the fixing piece is rotatably attached on locking member, and the fixing piece is preferably the screw being equipped with
And nut.
In further preferred embodiment, the locking member 2 have it is multiple, it is preferably identical as the quantity of positioning plate.
In embodiment still more preferably, the top of positioning plate is arranged in the locking member 2, and the two cooperation is fixed
The web of welded H section steel.
A kind of preferred embodiment according to the present invention, the locking member 2 include V shaped slab 21, and the bottom end of the V shaped slab is
Flat construction, it is parallel with the web upper surface of welded H section steel.
Wherein, the V shaped slab 21 has two layers.
In further preferred embodiment, the locking member 2 further includes idler wheel 22, and the idler wheel 22 is arranged in V-arrangement
The straight bottom end of plate, so that locking member and the web of welded H section steel are in rolling contact.
In embodiment still more preferably, the straight bottom of V shaped slab is arranged in by fixing axle 23 for the idler wheel 22
End.
Preferably, fixing axle 23 is threaded through between two layers of V shaped slab 21.
Wherein, the fixing piece 4 is fixed on locking member also by fixing axle 23.
The present inventor is the study found that when locking member is fixedly connected with posting and clamps web, the bottom surface of web and fixed
Position plate sliding contact, the top surface of web contacts with roller-coaster, and the welding shrinkage stress of web and wing plate is much larger than abdomen when welding
The frictional force of plate and positioning plate and locking clamping block, so that the group weldering positioning device in the present invention can both meet freely receiving for weld seam
Contracting, and can control the welding deformation of web and wing plate, while rigidity can also be improved.
In the present invention, the welded H section steel needs to carry out the welding of downhand welding position to whole weld seam, as shown in fig. 6, described flat
Welding position (PA) refer to weld seam upward, welding gun welding position directed downwardly, welding quality can be improved using such welding method.It is welding
When connecing, according to bevel angle, depth and the diameter for selecting welding rod, the groove of every side needs to weld from weld seam one end to the other end more
It is secondary weld seam to be filled up.
Preferred welding method is in the present invention: welding personnel is first welded from weld seam one end to the other end with the position of downhand welding position
Completion one time is connect, after H profile steel is overturn 180 degree, then the welding of downhand welding position is carried out to the other side of the weld seam, executed repeatedly.
During above-mentioned welding, H profile steel bring is time-consuming and laborious, welding deformation to overcome the problems, such as to overturn, this hair
Supporting element 5 preferably is set in the external of the posting 1 for fixing H profile steel plate in bright, in order in welding process H profile steel it is steady
Overturning.
A kind of preferred embodiment according to the present invention, as shown in fig. 7, the two of posting 1 are arranged in the supporting element 5
End, enables H profile steel in welding process steadily to overturn.
In further preferred embodiment, the outside of locking member 2 is arranged in the supporting element 5, and exterior contour is circle
Shape.
The inventors discovered that supporting element 5 to be arranged in the outside of locking member 2, supporting element can be prevented in posting outer wall
Axial displacement is generated, to be further ensured that the position of welded H section steel in switching process is firm.
In embodiment still more preferably, the supporting element 5 is made of the identical semi-circular member of two structures,
The two is equipped in the outside of posting 1, forms a complete circular shaped support.
Preferably, the inside of the supporting element is concave, and the shape of the concave and the outer shape of posting cooperate.
The present invention also provides a kind of welding methods of large-size stainless steel welded H section steel, it is preferred to use above-mentioned group of weldering positioning
Device the described method comprises the following steps as shown in Fig. 1~7:
Step 1, installation, adjustment group weld positioning device.
In the present invention, it measures first and ensures the top surfaces of multiple positioning plates 11 in same level, side is coplanar
And it is identical at a distance from bottom bar.Then posting 1 is placed in two horizontal pad piers, then multiple locking members 12 is passed through into rotary shaft
13 are fixed on posting 1, and group welds positioning device in groups.
Step 2, the steel plate of erecting and welding H profile steel, the accurate group of wing plate and web to wherein side.
In the present invention, the web 100 of H profile steel to be welded and wing plate 200 are placed in posting 1, make a wherein flank
Plate and web carry out precisely group pair, then fix the position of the side wing.
Wherein, two blocks of wing plates are individually positioned in the two of positioning plate by the top surface that web is first lain in a horizontal plane in positioning plate 11
Side；Then using the height of web as standard, the first regulating part 15 is adjusted, so that the welding groove of wing plate and web is located at same height
Degree realizes precisely group pair；The second regulating part 16 is pre-tightened again, so that being adjacent on the inside of wing plate with the side of positioning plate, the position of wing plate
It is fixed.
After the welding groove position of wing plate and web is fixed, welded gaps are adjusted to predetermined value；Then pass through locking member
The position of fixed web, wherein so that the idler wheel 22 of locking member is connected to the upper surface of web 100, and pre-tightens fixing piece 4, so that
Locking member 2 is fixedly connected with posting 1.
The inventors discovered that web 100 is fixed position under the collective effect of positioning plate and locking member, side and positioning plate
Sliding contact, side are in rolling contact with idler wheel, in welding process, web under the action of welding stress can with and only can be along weldering
It is mobile to connect shrinkage direction, and the angle between wing plate remains unchanged.
In the present invention, after a side wing and web precisely being aligned, the position of fixed another side wing, but without essence
Quasi- group pair.
Step 3, supporting element is installed, lifting is welded.
In the present invention, according to actual welding operating condition, at 1 both ends of posting, the outside of locking member, make-up installs supporting element
5, so that supporting element 5 is fixed on the outside of locking member；Then the above-mentioned device level connected is lifted by crane, is placed on turning rolls,
The weld seam of a side wing and web to accurate group pair carries out the welding of bilateral downhand welding bit interleaving.
Wherein, supporting element 5 is placed on turning rolls, as shown in fig. 7, adjusting web and essence by the revolution of turning rolls
The wing plate weld seam bilateral downhand welding position position (PA) of quasi- maintenance simultaneously carries out alternately welding.
Step 4, after the completion of welding, loose component is adjusted, the accurate group pair of another side wing and web is carried out, supporting element is installed
Afterwards, it then is welded, completes the welding of H profile steel.
Wherein, after the completion of welding, loose supporting element 5, locking member 2 and the first regulating part 15 are adjusted, then according to step 2, precisely
Group after installing supporting element, then carries out the welding of bilateral downhand welding bit interleaving to by another side wing and having welded and completing part, final complete
At the welding of H profile steel.
Welding method provided by the present invention realizes the accurate group pair in large-scale welded H section steel welding process, welding essence
Degree is high, and speed of welding is fast.
Embodiment
Embodiment 1
The large-size stainless steel H profile steel that specification is WH280 × 280 × 18 × 28 is welded, using shown in FIG. 1 to FIG. 7
Welder, comprising the following steps:
(1) top surface of multiple positioning plates is adjusted in same level, and side is coplanar and identical at a distance from bottom bar, so
Posting is placed in two horizontal pad piers afterwards, then multiple locking members are fixed on posting by rotary shaft, group is welded in groups
Positioning device；
(2) two blocks of wing plates are individually positioned in the two sides of positioning plate by the top surface that web is lain in a horizontal plane in positioning plate；Then
Using the height of web as standard, adjust the first regulating part (jackscrew), so that the welding groove of wing plate and web is located at sustained height；
The second regulating part (jackscrew) is adjusted again, so that being adjacent on the inside of wing plate with the side of positioning plate；
The welded gaps for adjusting web and the wing plate fixed are 4mm, and the idler wheel of locking member is made to be connected to the upper table of web
Face, and pretension bolt nut, so that locking member is fixedly connected with posting；Then the second regulating part is adjusted, the wing of the other side is made
Plate is fixed in posting；
(3) in posting two sides, the outside of locking member, make-up installs supporting element, so that supporting element and group weldering positioning dress
It sets and is fixedly connected；It is placed on turning rolls, the above-mentioned device level lifting connected to the side wing and web of accurate group pair
Weld seam carry out bilateral downhand welding bit interleaving welding；
(4) after the completion of welding, adjust loose supporting element, locking member and the first regulating part that completion will have been welded according to step (2)
Part carries out precisely group pair with another side wing, after installing supporting element, carries out the welding of bilateral downhand welding bit interleaving, completes H profile steel
Welding.
It for welding a set of H profile steel, is completed from installation to welding, speed of welding is 16 hours/meter, and in the prior art
Speed of welding compare, efficiency improves 40%.
Welding quality test is carried out to soldered large H-shaped steel, as the result is shown: weld seam non-destructive testing qualification rate is
100%.
In the description of the present invention, it should be noted that the instruction such as term " on ", "lower", "inner", "outside", "front", "rear"
Orientation or positional relationship be that the description present invention is merely for convenience of based on the orientation or positional relationship under working condition of the present invention
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " third ", " the 4th " are only
For descriptive purposes, it is not understood to indicate or imply relative importance.
Combining preferred embodiment above, the present invention is described, but these embodiments are only exemplary
, only play the role of illustrative.On this basis, a variety of replacements and improvement can be carried out to the present invention, these each fall within this
In the protection scope of invention.
Claims (10)
1. a kind of large-size stainless steel welded H section steel group welds positioning device, which is characterized in that described device include posting (1) and
Locking member (2), wherein the posting (1) for group to the steel plate of H profile steel,
The locking member (2) is rotatably connected on posting (1) by rotary shaft (3), so that the steel plate position of group pair is solid
It is fixed.
2. according to claim 1 group of weldering positioning device, which is characterized in that the posting (1) is adjustable welding
Formula steel construction framework, preferably rectangular parallelepiped structure.
3. according to claim 1 group of weldering positioning device, which is characterized in that the posting (1) include mandril (12) and
Bottom bar (14), wherein the mandril (12) and bottom bar (14) are arranged in parallel, and include two,
Preferably, it is evenly arranged between the mandril (12) and bottom bar (14) multiple side levers (13), the side lever (13) sets
It sets in the outside of mandril (12) and bottom bar (14).
4. according to claim 3 group of weldering positioning device, which is characterized in that in wherein one outer of the mandril (12)
Side is provided with axis ear (17), the axis ear (17) have it is multiple, be arranged on the top of ipsilateral side lever (13), and/or
Be arranged fluted (18) on another mandril (12), the groove (18) setting on the top of ipsilateral side lever (13), with
The position of axis ear (17) is corresponding.
5. according to claim 3 group of weldering positioning device, which is characterized in that be additionally provided with inside the posting (1)
Multiple positioning plates (11), the position for positioning welding H profile steel steel plate, wherein
The positioning plate (11) is fixed on two foundation bars (14) by crossbeam, and the plate face of the positioning plate (11) is perpendicular to bottom bar
(14)；
Preferably, the positioning plate (11) has multiple, is uniformly arranged on the inside of posting (1).
6. according to claim 5 group of weldering positioning device, which is characterized in that the top surface of the positioning plate (11) and welded H
The web (100) of fashioned iron contacts, with positioning web；
The side of the positioning plate (11) is contacted with the wing plate (200) of welded H section steel, to position wing plate.
7. according to claim 4 group of weldering positioning device, which is characterized in that one end of the locking member (2) passes through rotation
Axis (3) is fixed on axis ear (17),
The other end is detachably mounted in groove (18) by fixing piece (4).
8. according to claim 7 group of weldering positioning device, which is characterized in that the locking member (2) includes V shaped slab (21),
The bottom end of the V shaped slab is flat construction, parallel with web (100) upper surface of welded H section steel；
Preferably, the locking member (2) further includes idler wheel (22), and the idler wheel (22) is arranged in the straight bottom end of V shaped slab (21),
So that locking member and the web of welded H section steel are in rolling contact.
9. a kind of welding method of large-size stainless steel welded H section steel, it is preferred to use the weldering of group described in one of claim 1 to 8 is fixed
Position device, which is characterized in that the described method comprises the following steps:
Step 1, installation, adjustment group weld positioning device；
Step 2, the steel plate of erecting and welding H profile steel, the accurate group of wing plate and web to wherein side；
Step 3, supporting element (5) are installed, lifting is welded；
Step 4, after the completion of welding, loose component is adjusted, carries out the accurate group pair of another side wing and web, after supporting element is installed, then
It is welded, completes the welding of H profile steel.
10. welding method according to claim 9, which is characterized in that in step 2, a side wing and web is precisely right
Behind position, the position of fixed another side wing, but without precisely organizing pair.
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