CN214185893U - Aligning device used in butt welding of H-shaped steel - Google Patents

Aligning device used in butt welding of H-shaped steel Download PDF

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CN214185893U
CN214185893U CN202022766290.4U CN202022766290U CN214185893U CN 214185893 U CN214185893 U CN 214185893U CN 202022766290 U CN202022766290 U CN 202022766290U CN 214185893 U CN214185893 U CN 214185893U
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shaped steel
magnetic base
adjusting bolt
bolt
magnetic
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CN202022766290.4U
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王家国
王飞
董红梅
梁传罡
封锡波
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China Third Metallurgical Group Co Ltd
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China Third Metallurgical Group Co Ltd
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Abstract

The utility model relates to an aligning device when H-shaped steel is butt-welded, which comprises a magnetic base I, an adjusting bolt I, a positioning nut, a locking nut, a magnetic base II, an adjusting bolt II and an adjusting bolt III; the utility model is suitable for a welding H shaped steel adopts magnetic force seat and bolt cooperation, between the web when realizing H shaped steel butt joint, the accurate adjustment of relative position between the flange board, when guaranteeing roof beam, post butt joint precision, has improved the efficiency of construction greatly.

Description

Aligning device used in butt welding of H-shaped steel
Technical Field
The utility model relates to a steel construction preparation technical field especially relates to an aligning device when welding H shaped steel butt welding.
Background
The H-shaped steel is an economic section efficient section with more optimized section area distribution and more reasonable strength-to-weight ratio, and is named because the section is the same as the English letter H. Because each part of the H-shaped steel is arranged at a right angle, the H-shaped steel has the advantages of strong bending resistance, simple construction, cost saving, light structure weight and the like in each direction.
In the construction process of some longer beams and columns, due to the limitation of transportation or field conditions and the like, the beams and columns cannot be processed and manufactured according to the full length in a processing plant, and only the form of field splicing can be adopted. For the beams and columns adopting welded H-shaped steel, two node modes are mostly adopted during splicing, one mode is a bolt and welded combined node, and the other mode is a full-welded node. When the bolt and welding combined node is adopted, the webs are connected by the bolt, and the flange plates are connected by a single V-shaped groove and a full penetration welding seam of a backing plate. When the full-welded joint is adopted, the flange plate adopts a single V-shaped groove and a backing plate full-penetration weld joint, the web plate adopts a K-shaped groove double-side partial-penetration weld joint, and the back side is not back-gouged; when the design requires that the web is completely welded, if the thickness of the web is not more than 20mm, the single V-shaped groove and the backing plate are adopted for welding, and when the thickness of the web is more than 20mm, the K-shaped groove is adopted for welding after back chipping of the back surface of the two sides.
In addition, the requirement on the precision of the relative position of the welded H-shaped steel during butt joint of the beam and the column is high, the misalignment of a flange plate is usually required to be not more than 2mm, the misalignment of a web plate is required to be not more than 1mm, and the gap of a welding line is 2-5 mm; the construction site is difficult because the necessary group of equipment is often lacked in the construction site.
Disclosure of Invention
The utility model provides an aligning device when H shaped steel butt welding is applicable to welding H shaped steel, adopts magnetic force seat and bolt cooperation, between the web when realizing H shaped steel butt joint, the accurate adjustment of relative position between the flange board, when guaranteeing roof beam, post butt joint precision, improved the efficiency of construction greatly.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an alignment device for butt welding of H-shaped steel is characterized in that the H-shaped steel subjected to butt welding is H-shaped steel I and H-shaped steel II; the aligning device comprises a magnetic base I, an adjusting bolt I, a positioning nut, a locking nut, a magnetic base II, an adjusting bolt II and an adjusting bolt III; the first magnetic bases are 2 groups and symmetrically arranged on two sides of the first H-shaped steel and the second H-shaped steel, each group of the first magnetic bases consists of a first magnetic base A and a first magnetic base B, the first magnetic base A is arranged on the outer side of the flange plate of the first H-shaped steel, and the first magnetic base B is arranged on the outer side of the flange plate of the second H-shaped steel; the first magnetic base A is connected with the first magnetic base B through a first adjusting bolt, a first positioning nut is respectively arranged on the first adjusting bolt corresponding to the inner side of the first magnetic base A and the inner side of the first magnetic base B, and the tail part of the first adjusting bolt is locked and fixed through a locking nut; the second magnetic base is 2 flange plates of the first H-shaped steel and is arranged symmetrically, the inner side of the flange plate of the second H-shaped steel is arranged on the second magnetic base, the supporting portion is arranged on the inner side of the flange plate of the second H-shaped steel and extends to the inner side of the flange plate of the second H-shaped steel, the second adjusting bolt and the third adjusting bolt are arranged on the supporting portion respectively, the second adjusting bolt tightly pushes the inner side of the flange plate of the corresponding side of the second H-shaped steel, and the third adjusting bolt tightly pushes the web plate.
The supporting part is provided with a first threaded hole and a second threaded hole respectively, the second adjusting bolt is connected with the second magnetic base through the first threaded hole, and the third adjusting bolt is connected with the second magnetic base through the second threaded hole.
And a gap of 10-25 mm is reserved between the support part and the inner side surface of the flange plate of the H-shaped steel II.
And a gap of 10-25 mm is reserved between the supporting part and the corresponding side surface of the web plate of the H-shaped steel II.
The first magnetic base A is provided with a first bolt hole, the first magnetic base B is provided with a second bolt hole, the first adjusting bolt firstly penetrates through the first bolt hole, is locked and positioned through a positioning nut on the inner side of the first magnetic base A, then penetrates through the second bolt hole, and is locked and positioned through the positioning nut and a locking nut on the inner side of the first magnetic base B; the inner diameter of the first bolt hole is the outer diameter + (0.5-1) mm of the first bolt rod of the adjusting bolt, and the inner diameter of the second bolt hole is the outer diameter + (3-8) mm of the first bolt rod of the adjusting bolt.
An alignment method for butt welding of H-shaped steel comprises the following steps:
1) taking the fixed H-shaped steel I as a positioning reference, hoisting the H-shaped steel II by using a crane to enable the butt joint end of the H-shaped steel II to be close to the butt joint end of the H-shaped steel I, and enabling the H-shaped steel II to be stable through temporary auxiliary support;
2) fixing a first magnetic base A on the outer side of a flange plate of a first H-shaped steel, fixing a first magnetic base B on the outer side of a flange plate of a second H-shaped steel relatively, and enabling the axis of a first bolt hole on the first magnetic base A and the axis of a second bolt hole on the first magnetic base B to be located in the same vertical plane;
3) removing the temporary auxiliary support; firstly, an adjusting bolt I penetrates through a bolt hole I, is locked and fixed with a magnetic base I A through 1 positioning nut, then penetrates through a bolt hole II after a 2 nd positioning nut is screwed, and the longitudinal relative position of the magnetic base I B and the magnetic base I A is determined through the 2 nd positioning nut, namely, the gap of a welding seam is ensured to be 2-5 mm; a locking nut is screwed on the adjusting screw rod on the outer side of the magnetic base I, and the locking nut is not screwed firstly;
4) 2 magnetic force seats II are arranged on the same side or two sides of a web plate of the H-shaped steel I, and the 2 magnetic force seats II are respectively fixed with flange plates on two sides of the H-shaped steel I; screwing a second adjusting bolt and a third adjusting bolt into the first threaded hole and the second threaded hole of the second supporting part of the magnetic base respectively;
5) the misalignment amount between the flange plate of the first H-shaped steel and the flange plate of the second H-shaped steel is adjusted through the second adjusting bolt, and the misalignment amount of the flange plates is guaranteed to be less than or equal to 2 mm; the misalignment amount between the web plate of the first H-shaped steel and the web plate of the second H-shaped steel is adjusted through the adjusting bolt III, and the misalignment amount of the web plates is guaranteed to be less than or equal to 1 mm;
6) after the alignment adjustment of the flange plate and the web plate is finished, the locking nut on the first adjusting bolt is locked and fixed, and the alignment before the butt welding of the H-shaped steel is completed.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the magnetic force seat is matched with the bolt, so that the relative positions between the webs and between the flange plates are accurately adjusted when the H-shaped steel is welded in butt joint, the butt joint precision of the beam and the column is ensured, and the construction efficiency is greatly improved;
2) the magnetic base is convenient to mount, carry and use, and does not damage the H-shaped steel body;
3) simple structure, and flexible and convenient adjustment.
Drawings
Fig. 1 is a schematic structural diagram of an aligning device used in butt welding of H-shaped steel.
Fig. 2 is a view from direction a in fig. 1.
In the figure: 1, H-shaped steel I2, H-shaped steel II 3, magnetic base II 4, adjusting bolt II 5, adjusting bolt III 6, magnetic base I B7, magnetic base I A8, adjusting bolt I9, locking nut 10 and positioning nut
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1 and 2, in the alignment device for butt welding of H-section steel of the present invention, the H-section steel to be butt welded is a first H-section steel 1 and a second H-section steel 2; the aligning device comprises a magnetic base I, an adjusting bolt I8, a positioning nut 10, a locking nut 9, a magnetic base II 3, an adjusting bolt II 4 and an adjusting bolt III 5; the first magnetic bases are 2 groups and symmetrically arranged on two sides of the first H-shaped steel 1 and the second H-shaped steel 2, each group of the first magnetic bases consists of a first magnetic base A7 and a first magnetic base B6, the first magnetic base A7 is arranged on the outer side of the flange plate of the first H-shaped steel 1, and the first magnetic base B6 is arranged on the outer side of the flange plate of the second H-shaped steel 2; the first magnetic base A7 and the first magnetic base B6 are connected through a first adjusting bolt 8, positioning nuts 10 are respectively arranged on the first adjusting bolts 8 corresponding to the inner sides of the first magnetic base A7 and the first magnetic base B6, and the tail parts of the first adjusting bolts 8 are locked and fixed through locking nuts 9; two 3 magnetic force seats are 2 flange inboard that H shaped steel 1 was located for 2 symmetries, establish the flange inboard that the supporting part extends to H shaped steel two 2 on two 3 magnetic force seats, establish adjusting bolt two 4 and adjusting bolt three 5 on the supporting part respectively, wherein adjusting bolt two 4 tops tightly correspond the flange inboard of side at H shaped steel two 2, adjusting bolt three 5 tops tightly in H shaped steel two 2's web one side.
A first threaded hole and a second threaded hole are formed in the supporting portion respectively, a second adjusting bolt 4 is connected with a second magnetic base 3 through the first threaded hole, and a third adjusting bolt 5 is connected with the second magnetic base 3 through the second threaded hole.
And a gap of 10-25 mm is reserved between the supporting part and the inner side surface of the flange plate of the second H-shaped steel 2.
A10-25 mm gap is reserved between the supporting portion and the corresponding side surface of the web plate of the H-shaped steel I2.
The first magnetic base A7 is provided with a first bolt hole, the first magnetic base B6 is provided with a second bolt hole, the first adjusting bolt 8 firstly penetrates through the first bolt hole, is locked and positioned through a positioning nut 10 on the inner side of the first magnetic base A7, then penetrates through the second bolt hole, and is locked and positioned through the positioning nut 10 on the inner side of the first magnetic base B6 and a locking nut 9; the inner diameter of the first bolt hole is the outer diameter + (0.5-1) mm of the first 8 bolt rod of the adjusting bolt, and the inner diameter of the second bolt hole is the outer diameter + (3-8) mm of the first 8 bolt rod of the adjusting bolt.
An alignment method for butt welding of H-shaped steel comprises the following steps:
1) taking the fixed H-shaped steel I1 as a positioning reference, hoisting the H-shaped steel II 2 by using a crane to enable the butt joint end of the H-shaped steel II 2 to be close to the butt joint end of the H-shaped steel I1, and enabling the H-shaped steel II 2 to be stable through temporary auxiliary support;
2) fixing a first magnetic seat A7 on the outer side of a flange plate of a first H-shaped steel 1, fixing a first magnetic seat B6 on the outer side of a flange plate of a second H-shaped steel 2 relatively, and enabling the axis of a first bolt hole on the first magnetic seat A7 and the axis of a second bolt hole on the first magnetic seat B6 to be located in the same vertical plane;
3) firstly, an adjusting bolt I8 penetrates through a bolt hole I, is locked and fixed with a magnetic base I A7 through 1 positioning nut 10, then penetrates through a bolt hole II after being screwed with a 2 nd positioning nut 10, and the longitudinal relative position of a magnetic base I B6 and the magnetic base I A7 is determined through the 2 nd positioning nut 10, namely, the gap of a welding seam is ensured to be 2-5 mm; a first adjusting screw 8 on the outer side of the first magnetic seat B6 is screwed with a locking nut 9, and the locking nut 9 is not screwed at first;
4) 2 magnetic force seats II 3 are arranged on the same side or two sides of a web plate of the H-shaped steel I1, and the 2 magnetic force seats II 3 are respectively fixed with flange plates on two sides of the H-shaped steel I1; respectively screwing the adjusting bolt II 4 and the adjusting bolt III 5 into the threaded hole I and the threaded hole II of the supporting part of the magnetic seat II;
5) the misalignment amount between the flange plate of the H-shaped steel I1 and the flange plate of the H-shaped steel II 2 is adjusted through an adjusting bolt II 4, and the misalignment amount of the flange plates is guaranteed to be less than or equal to 2 mm; the misalignment amount between the web plate of the H-shaped steel I1 and the web plate of the H-shaped steel II 2 is adjusted through the adjusting bolt III 5, and the misalignment amount of the web plates is guaranteed to be less than or equal to 1 mm;
6) after the alignment adjustment of the flange plate and the web plate is finished, the locking nut 9 on the adjusting bolt I8 is locked and fixed, and the alignment before the butt welding of the H-shaped steel is completed.
Among an aligning device during H shaped steel butt welding, welding seam adjustment mechanism is constituteed jointly to a magnetic force seat A7, a magnetic force seat B6 and adjusting bolt 8, set nut 10, lock nut 9, and the unfitness of butt joint adjustment mechanism is constituteed jointly to two 3 and two 4, the three 5 of adjusting bolt of magnetic force seat, adjusting bolt. Firstly, adjusting the width of a welding seam, and after the welding seam is positioned by a positioning nut 10, locking a locking nut 9 firstly; through the clearance of reserving between the bolt bar of the bolt hole two and adjusting bolt 8 on magnetic force seat B6, the degree of freedom that corresponds the direction when guaranteeing to carry out the adjustment of unfitness of butt joint is unrestricted, after the adjustment of unfitness of butt joint is finished, locks fixedly again.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. An alignment device for butt welding of H-shaped steel is characterized in that the H-shaped steel subjected to butt welding is H-shaped steel I and H-shaped steel II; it is characterized in that; the aligning device comprises a magnetic base I, an adjusting bolt I, a positioning nut, a locking nut, a magnetic base II, an adjusting bolt II and an adjusting bolt III; the first magnetic bases are 2 groups and symmetrically arranged on two sides of the first H-shaped steel and the second H-shaped steel, each group of the first magnetic bases consists of a first magnetic base A and a first magnetic base B, the first magnetic base A is arranged on the outer side of the flange plate of the first H-shaped steel, and the first magnetic base B is arranged on the outer side of the flange plate of the second H-shaped steel; the first magnetic base A is connected with the first magnetic base B through a first adjusting bolt, a first positioning nut is respectively arranged on the first adjusting bolt corresponding to the inner side of the first magnetic base A and the inner side of the first magnetic base B, and the tail part of the first adjusting bolt is locked and fixed through a locking nut; the second magnetic base is 2 flange plates of the first H-shaped steel and is arranged symmetrically, the inner side of the flange plate of the second H-shaped steel is arranged on the second magnetic base, the supporting portion is arranged on the inner side of the flange plate of the second H-shaped steel and extends to the inner side of the flange plate of the second H-shaped steel, the second adjusting bolt and the third adjusting bolt are arranged on the supporting portion respectively, the second adjusting bolt tightly pushes the inner side of the flange plate of the corresponding side of the second H-shaped steel, and the third adjusting bolt tightly pushes the web plate.
2. The alignment device for butt welding of H-shaped steel according to claim 1, wherein the support portion is provided with a first threaded hole and a second threaded hole, the second adjusting bolt is connected with the second magnetic base through the first threaded hole, and the third adjusting bolt is connected with the second magnetic base through the second threaded hole.
3. The aligning device for the butt welding of the H-shaped steel according to claim 1, wherein a gap of 10-25 mm is left between the supporting part and the inner side surface of the flange plate of the H-shaped steel II.
4. The aligning device for butt welding of H-shaped steel according to claim 1, wherein a gap of 10-25 mm is left between the supporting portion and the corresponding side surface of the web of the H-shaped steel II.
5. The alignment device for butt welding of H-shaped steel according to claim 1, wherein a first bolt hole is formed in the first magnetic base A, a second bolt hole is formed in the first magnetic base B, and the first adjusting bolt firstly passes through the first bolt hole, is locked and positioned by a positioning nut on the inner side of the first magnetic base A, then passes through the second bolt hole, and is locked and positioned by a positioning nut and a locking nut on the inner side of the first magnetic base B; the inner diameter of the first bolt hole is the outer diameter + (0.5-1) mm of the first bolt rod of the adjusting bolt, and the inner diameter of the second bolt hole is the outer diameter + (3-8) mm of the first bolt rod of the adjusting bolt.
CN202022766290.4U 2020-11-25 2020-11-25 Aligning device used in butt welding of H-shaped steel Active CN214185893U (en)

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Application Number Priority Date Filing Date Title
CN202022766290.4U CN214185893U (en) 2020-11-25 2020-11-25 Aligning device used in butt welding of H-shaped steel

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Application Number Priority Date Filing Date Title
CN202022766290.4U CN214185893U (en) 2020-11-25 2020-11-25 Aligning device used in butt welding of H-shaped steel

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114753511A (en) * 2022-04-29 2022-07-15 上海泰大建筑科技有限公司 Steel column building site concatenation installation locator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114753511A (en) * 2022-04-29 2022-07-15 上海泰大建筑科技有限公司 Steel column building site concatenation installation locator

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