CN104070316B - A kind of assembled group of welded H section steel is to device and using method thereof - Google Patents

A kind of assembled group of welded H section steel is to device and using method thereof Download PDF

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Publication number
CN104070316B
CN104070316B CN201410301924.5A CN201410301924A CN104070316B CN 104070316 B CN104070316 B CN 104070316B CN 201410301924 A CN201410301924 A CN 201410301924A CN 104070316 B CN104070316 B CN 104070316B
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base
assembled
steel
wing plate
welded
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CN104070316A (en
Inventor
罗廷鉴
彭和跃
詹行国
杨谷清
张鑫
刘志军
张浩文
卢乔
梁耀峰
管宛坤
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Guangdong Shao Gang Engineering Co Ltd
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Guangdong Shao Gang Engineering Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work

Abstract

The invention discloses assembled group of a kind of welded H section steel to device, comprise a channel steel base, two right angle frames and two latches, be provided with four accessory plates and be divided into two groups, this base is clamped respectively at the two ends of this base, these four accessory plates are respectively equipped with a movable latch hole, the major axis of the back of this base is above-listed is provided with at least two fastening screw holes, it is respectively provided with a loose pin; This right angle frame is that transverse arm and vertical arm form L font frame, and the transverse arm end of this right angle frame is provided with a through hole; The vertical arm of these two right angle frames is relative, and the transverse arm both it and the back of this base are affixed, and insert the movable latch hole of this accessory plate respectively and be placed in the through hole of right angle frame by these two latches, realizes being flexibly connected of base and two right angle frames.Assembled group of welded H section steel of the present invention can locate sheet material well to device, reduces and uses overhead traveling crane or loop wheel machine, reduce costs and improve the personal safety of personnel, and positioning performance is good, and the defect rate of finished product is low.

Description

A kind of assembled group of welded H section steel is to device and using method thereof
Technical field
The present invention relates to a kind of welded H section steel technique, be specifically related to assembled group of a kind of welded H section steel to device and using method thereof.
Background technology
At present, more Jian An enterprise of China adopts vertical group to method in the group of welded H section steel structure to general, utilize loop wheel machine or overhead traveling crane by after in place for the wing plate of H profile steel, web is hung firmly vertical, by spot welding by its assembled group to good a kind of mode, or adopt more complicated group mold is carried out with regard to hyte pair.There is following problem in these methods: (1) requires that in H profile steel group is to process overhead traveling crane or loop wheel machine hang web for a long time and be grouping, serious waste mechanical one-shift, increases production cost; (2) in group in process, the poor stability of web during traditional vertical group pair, there is more serious potential safety hazard, as long as crane gear slightly rocks or foreign object strike, be easy to topple or tear spot welded joint and cause quality accident, in group is to process, causes web to be toppled over if there is fixture landing or some other reason, easily occurs the security incident of personal injury; (3) H profile steel group centering, owing to being difficult to adjustment after causing swing when overhead traveling crane or loop wheel machine hang, also 2 people must help commander, assist personnel except normal group in group is to process, cause that cost of labor is high, group is low to efficiency.
Summary of the invention
The present invention there is safe operation difference for prior art, labour intensity is high, efficiency is low, take construction site, take the technical problems such as crane gear time field, there is provided assembled group of a kind of welded H section steel to device, it has the advantages such as safety, efficiency, reduction machinery, cost of labor.
The present invention solves this technical problem adopted technical scheme: assembled group of a kind of welded H section steel is to device, comprise a channel steel base, two right angle frames and two latches, be provided with four accessory plates and be divided into two groups, this base is clamped respectively at the two ends of this base, these four accessory plates are respectively equipped with a movable latch hole, the major axis of the back of this base is above-listed is provided with at least two fastening screw holes, it is respectively provided with a loose pin; This right angle frame is that transverse arm and vertical arm form L font frame, and the transverse arm end of this right angle frame is provided with a through hole; The vertical arm of these two right angle frames is relative, and the transverse arm both it and the back of this base are affixed, and insert the movable latch hole of this accessory plate respectively and be placed in the through hole of right angle frame by these two latches, realizes being flexibly connected of this base and two right angle frames.
Particularly, this movable latch hole is strip hole, the back of its this base vertical, is held on this base and forms a latch passage with the movable latch hole of two accessory plates of one end.
Further, this fastening screw hole row be located on the major axis of the back of this base, and its with the center of this back for boundary, both sides equidistantly respectively arrange four these fastening screw holes.
Further, this base is provided with eight fastening screw holes, different according to the width of the web of H profile steel, and arranges from the Central Symmetry of this base.
Further, this right angle frame also welds a diagonal brace.
The present invention, in order to solve the problems of the technologies described above, additionally provides a technical scheme: a kind of above-mentioned welded H section steel assembled group of using method to device, and its step is as follows successively:
(1) according to the length of the H profile steel material that will weld, use assembled group of 2 ~ 3 these welded H section steel to carry out operation to device, be placed on 2 ~ 3 this assembled group in same level device, and be located along the same line, its base is parallel to each other;
(2) the first wing plate is located, open whole right angle frame, first wing plate level of the H profile steel of pre-installation is spread in this 2 ~ 3 assembled group on the base of device, make this first wing plate vertical to the base of device with this 2 ~ 3 assembled group respectively, and be adjusted to the middle part of base, according to thickness and the width of this first wing plate, insert loose pin, locate the first wing plate on it;
(3) positioning web, puts down whole right angle frame, is inserted by the web of the H profile steel of pre-installation between these 2 ~ 3 assembled group two right angle frame to device, and with this first wing plate perpendicular contact;
(4) weld, this first wing plate and web spot welding are reinforced, form the semi-finished product of H profile steel;
(5) the second wing plate is located, take out the semi-finished product of the H profile steel of step (4) gained, second wing plate level of the H profile steel of pre-installation is spread in this 2 ~ 3 assembled group on the base plate of device, make this second wing plate vertical to the base plate of device with this 2 ~ 3 assembled group respectively, and be adjusted to the middle part of base plate, according to height and the width of this second wing plate, insert loose pin, locate the second wing plate clamping on it;
(6) positioning web again, again puts down whole right angle frame, is inserted by half-finished web of the H profile steel of step (4) gained between these 2 ~ 3 assembled group two right angle frame to device, and with this second wing plate perpendicular contact;
(7) weld, this second wing plate and web spot welding are reinforced, form the finished product of H profile steel, take out.
Compared with prior art, there is following good effect: 1, assembled group of welded H section steel of the present invention can locate sheet material well to device, reduce and use overhead traveling crane or loop wheel machine, reduce costs and improve the personal safety of personnel, and positioning performance is good, the defect rate of finished product is low; 2, movable latch hole is vertical strip, can regulate, complete group to work according to the H profile steel of different thickness of slab, various sizes size; 3, assembled group of this welded H section steel light to apparatus structure, be convenient to install, take up an area position little, safe and reliable in use.
Below in conjunction with drawings and Examples, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is welded H section steel of the present invention assembled group of structural representation to device.
Fig. 2 is the understructure schematic diagram of assembled group of welded H section steel of the present invention to device.
Fig. 3 is the right angle frame structural representation of assembled group of welded H section steel of the present invention to device.
Fig. 4 is the using state top view of assembled group of welded H section steel of the present invention to device.
Fig. 5 is using method step (2) schematic diagram of assembled group of welded H section steel of the present invention to device.
Fig. 6 is using method step (3) schematic diagram of assembled group of welded H section steel of the present invention to device.
Fig. 7 is using method step (6) schematic diagram of assembled group of welded H section steel of the present invention to device.
Detailed description of the invention
Embodiment
Please refer to Fig. 1 to Fig. 7, assembled group of welded H section steel of the present invention, to device, comprises a base 10, two right angle frames 20 and two latches 30, makes being flexibly connected of base 10 and two right angle frames 20 by latch 30.This base 10 and two right angle frames 20 are made by channel-section steel.
It should be noted that, channel-section steel comprises a back and two leg plates, two long limits of this back respectively with a long limit vertical welding of two leg plates, and two leg plates are positioned at the same side of back, make the cross section of channel-section steel be the strip steel of Baltimore groove.H profile steel comprises a web and two wing plates, and two long limits of this web are welded with the long axis normal of two wing plates respectively, makes the cross section of H profile steel be the strip steel of H font.
Particularly, this base 10 is the channel-section steel of length 1400mm, the accessory plate 11 of two pieces of δ 14mm × 100mm (wide) × 168mm (height) is welded at its two ends respectively, two accessory plates 11 being positioned at the same side clamp this base 10, and leg plate that is respective and this base 10 is welded and fixed, these four pieces of accessory plates 11 are all higher than the back plate face of base 10.Its position higher than the back plate face of base 10 is all respectively provided with a movable latch hole 14, this movable latch hole 14 is Φ 22mm × 50mm strip hole, and the back of its major axis this base 10 all vertical, be held on this base 10 and form a latch passage with the movable latch hole 14 of two accessory plates 11 of one end.The major axis of the back of this base 10 is above-listed is provided with eight fastening screw holes 12, it is the circular hole of Φ 20mm, and, with back center for boundary, both sides equidistantly respectively arranges four fastening screw holes 12, the the first fastening screw hole 12 being positioned at both sides, back center is 75mm with the distance at back center, and fastening screw hole 12 spacing adjacent being between two positioned at the same side is 75mm.This fastening screw hole 12 is respectively provided with the loose pin 13 of a Φ 18mm.
This right angle frame 20 is the steelframe that two mutual vertical weldings of channel-section steel form L font, and these two channel-section steels are respectively transverse arm 21 and the vertical arm 22 of right angle frame 20, and this right angle frame 20 also welds a diagonal brace 23.Transverse arm 21 end of these two right angle frames 20 is respectively equipped with the through hole of a Φ 22mm.The vertical arm 22 of two right angle frames 20 is relative, and the transverse arm 21 both it is affixed with the back of base 10, and the through hole of this two right angle frame 20 is placed on the latch passage of base 10 respectively.By the latch 30 of two the Φ 20mm movable latch hole 14 of two accessory plates 11 of inserted base 10 the same side and the through hole of right angle frame 20 respectively, thus realize being flexibly connected of base 10 and two right angle frames 20.Latch 30 can be up and down in movable latch hole 14, and these two right angle frames 20 can regulate according to the thickness of wing plate and reduce or raise, and with the plate face parallel contact of base 10 upper flange, keep the web 42 between insertion two right angle frame 20 vertical with this wing plate.
Assembled group of the welded H section steel of the present embodiment is used to carry out the right concrete steps of welded H section steel group to device as follows successively:
(1) according to the length of the H profile steel material that will weld, use assembled group of 2 ~ 3 these welded H section steel to carry out operation to device, be placed on 2 ~ 3 this assembled group in same level device, and be located along the same line, its base 10 is parallel to each other;
(2) the first wing plate 41 is located, open this 2 ~ 3 assembled group whole right angle frame 20 to device, first wing plate 41 level of the H profile steel of pre-installation is spread in this 2 ~ 3 assembled group on the base 10 of device, make this first wing plate 41 vertical to the base 10 of device with this 2 ~ 3 assembled group respectively, and be adjusted to the middle part of base 10, according to thickness and the width of the first wing plate 41, insert loose pin 13, by the first wing plate 41 clamping and positioning on it;
(3) positioning web 42, puts down this 2 ~ 3 assembled group whole right angle frame 20 to device, is inserted by the web 42 of the H profile steel of pre-installation between this 2 ~ 3 assembled group two right angle frames 20 to device, and with the first wing plate 41 perpendicular contact;
(4) weld, the first wing plate 41 is reinforced with web 42 spot welding, forms the semi-finished product of H profile steel;
(5) the second wing plate 43 is located, take out the semi-finished product of the H profile steel of step (4) gained, second wing plate 43 level of the H profile steel of pre-installation is spread in this 2 ~ 3 assembled group on the base plate of device, make this second wing plate 43 vertical to the base plate of device with this 2 ~ 3 assembled group respectively, and be adjusted to the middle part of base plate, according to height and the width of the second wing plate 43, insert loose pin 13, by the second wing plate 43 clamping and positioning on it;
(6) positioning web 42 again, again put down this 2 ~ 3 assembled group whole right angle frame 20 to device, half-finished web 42 of the H profile steel of step (4) gained is inserted between this 2 ~ 3 assembled group two right angle frames 20 to device, and with the second wing plate 43 perpendicular contact;
(7) weld, the second wing plate 43 is reinforced with web 42 spot welding, forms the finished product of H profile steel, take out.
Compared with prior art, technique effect of the present invention comprise group light to apparatus structure, be convenient to install, it is little, safe and reliable in use to take up an area position, can regulate according to the H profile steel of different thickness of slab, various sizes size simultaneously, complete group to work.After assembled group of welded H section steel of the present invention uses device with original group to compared with method, there is following advantage and effect:
One, structure is simple, a set of be assembled group of 2-3 welded H section steel to device, saving construction site, raising utilization of area rate, group is reused mold is removable, and group can be used as him to place after completing.Group is cheap to device manufacturing cost, and manufacturing cost is about 2000 yuan/cover; Group is reused mold is removable, decreases and makes mold auxiliary material, reduce engineering cost;
Two, safe and reliable, after improvement, after use assembled group of this welded H section steel is to device, due to the support of base, prevent and cause web to topple over the unsafe factor injuring operating personnel by a crashing object to both sides because of a variety of causes in group is to process, improve safety guarantee;
Three, reduce crane gear holding time, effectively alleviate the situation of crane gear anxiety, improve loop wheel machine or overhead traveling crane utilization rate, reduce engineering cost.Before use assembled group of welded H section steel of the present invention is to device, the H profile steel using traditional vertical method group long to a 24m needs 2.5 hours consuming time, group need take 2 crane gears to process, and after improving, do not need to take crane gear during group pair, loop wheel machine or overhead traveling crane only need to hang for 0.5 hour to use in group is to process simultaneously, loop wheel machine need not will be taken for a long time to during method as original group, loop wheel machine or overhead traveling crane reduce by more than 70% in group the service time to H profile steel, therefore significantly reduce artificial, mechanical one-shift cost, also effectively improve the utilization rate of loop wheel machine or overhead traveling crane,
Four, improve group to efficiency, reduce cost of labor.Before not using assembled group of welded H section steel of the present invention to device, group is in process, crane hangs when web and wing plate are located and can play pendulum, and some maintenance is put and determined more difficult, often needs 2 people to buttress web at pre-assembled H profile steel two, 1 ~ 2 people regulates web and flap position, and 1 people's anchor point is solid.Wing plate and web are placed on after on this device after use assembled group of welded H section steel of the present invention is to device and carry out adjustment position point by a people, people's spot welding is fixed.Originally needed 3 ~ 4 people just can complete by the assembly work of this device H profile steel, after using, 2 people's operations can complete, and cost of labor reduces more than 50%.Simultaneously, adopt traditional vertical method, group needs 4 operating personnels operation simultaneously just can complete for 2.5 hours to the long 24 meters high H profile steel of 2 meters, after this group of use is to device, group to a same H profile steel only 2 operating personnels within 60 minutes, just can complete, need manually to be only original 33%, operating efficiency significantly improves;
Five, this device is applied test in improvement project is saved energy and reduce the cost in steel mill cleaner production.Effect highly significant, the security incident of personal injury is there is when can stop group pair completely, it is applicable to the H profile steel group pair of the web of the various different in width of welded H section steel and wing plate, different thickness of slab, different length, has good promotion and application and be worth in next step structure steel fabrication engineering.
Assembled group of welded H section steel is by the following examples analyzed effect of the present invention device:
The successful Application that the cleaner production of one steel mill is saved energy and reduce the cost in improvement project, carried out good checking to improving technique, H profile steel group is to the implementation result after process modification:
One steel cleaner production save energy and reduce the cost improvement project construction task by the portion of building accept, build together and establish 4 130t converters, two cover refining furnaces, two cover conticasters.Structural steelwork total amount about more than 40,000 ton, mainly comprises newly-built steelmaking and continuous casting workshop main building.Wherein main building totally nine across, by slag across, desulfurization across, reinforced across, charging aisle, refining across, molten steel receive across, continuous casting cast across, cut across, ejection across forming.Main building is except high building is multi-storey steel structure, and other is single-layer steel structure workshop.Workshop steel structure mainly comprises pillar system, Crane Beam System, roof system, wall stand system, high building framework and high building platform six major part.This project is totally 193 steel columns, and steel column is assemblied into master with 2 ~ 3 welded H section steel, highly substantially reaches more than 40m, 304 steel crane beams, and length take 24m as keynote, all kinds of different size welded H type landing beam 1250.
By use the present embodiment assembled group of welded H section steel to device, this project direct economic benefit and social benefit as follows:
1, direct economic benefit
(1), structure steel fabrication base has 12 teams and groups, and a set of group, each teams and groups, to device, often overlap 2000 yuan; 12 × 2000=24000 unit;
(2), save cost of labor to calculate:
Steel column 193 × 3=579 bar+304 crane girder+landing beams 1250=2133;
Originally mode group is to the total work day needed: (2133 × 4 people × 2.5 hour)/8=2666.25 work day;
Use group is to the total work day needed after device: (2133 × 2 people × 1 hour)/8=533 work day;
By being per work day 150 yuan, saving cost of labor is: (2666.25 work day on work day-533) × 150 yuan=319987.5 yuan.
(3), mechanical one-shift cost calculation is saved:
Use group uses mechanical one-shift total before device: 2133 × 2.5 hours/8=666.56 machine-team;
Use group uses the total tool machine-team of machine after device: 2133 × 0.5 hour/8=133.3 machine-team;
Be 800 yuan by every machine-team, saving machine cost is: (666.56 machine-team-133.3 machine-team) × 800 yuan=426608 yuan.
(4), totle drilling cost calculates:
Use group is always cost-saving to device is: save cost of labor 319987.5 yuan+saving machine cost 426608 yuan-group to installation cost 24000 yuan=722595.5 yuan.
2, social benefit:
The application of saving energy and reduce the cost in improvement project by this process modification and in steel mill cleaner production, achieve good effect, manually, machine cost reduce by more than 50%, efficiency of construction improve 75%, I brings up to 3.75 ten thousand tons by 2.5 ten thousand tons at company's structure steel fabrication yearly productive capacity.And achieve good economic benefit.
The present invention is not limited to above-mentioned embodiment, if do not depart from the spirit and scope of the present invention to various change of the present invention or modification, if these are changed and modification belongs within claim of the present invention and equivalent technologies scope, then the present invention is also intended to comprise these change and modification.

Claims (5)

1. assembled group an of welded H section steel is to device, it is characterized in that: comprise a channel steel base, two right angle frames and two latches, be provided with four accessory plates and be divided into two groups, this base is clamped respectively at the two ends of this base, these four accessory plates are respectively equipped with a movable latch hole, the major axis of the back of this base is above-listed is provided with at least two fastening screw holes, it is respectively provided with a loose pin; This right angle frame is that transverse arm and vertical arm form L font frame, and the transverse arm end of this right angle frame is provided with a through hole; The vertical arm of these two right angle frames is relative, and the transverse arm both it and the back of this base are affixed, and insert the movable latch hole of this accessory plate respectively and be placed in the through hole of right angle frame by these two latches, realizes being flexibly connected of this base and two right angle frames.
2. assembled group of welded H section steel, to device, is characterized in that as claimed in claim 1: this movable latch hole is strip hole, the back of its this base vertical, is held on this base and forms a latch passage with the movable latch hole of two accessory plates of one end.
3. assembled group of welded H section steel, to device, is characterized in that as claimed in claim 1: this fastening screw hole row be located on the major axis of the back of this base, and its with the center of this back for boundary, both sides equidistantly respectively arrange four these fastening screw holes.
4. assembled group of welded H section steel, to device, is characterized in that as claimed in claim 1: this right angle frame also welds a diagonal brace.
5. as described in any one of Claims 1-4, assembled group of welded H section steel, to the using method of device, is characterized in that, its step is as follows successively:
(1) according to the length of the H profile steel material that will weld, use assembled group of 2 ~ 3 these welded H section steel to carry out operation to device, be placed on 2 ~ 3 this assembled group in same level device, and be located along the same line, its base is parallel to each other;
(2) the first wing plate is located, open whole right angle frame, first wing plate level of the H profile steel of pre-installation is spread in this 2 ~ 3 assembled group on the base of device, make this first wing plate vertical to the base of device with this 2 ~ 3 assembled group respectively, and be adjusted to the middle part of base, according to thickness and the width of this first wing plate, insert loose pin, locate the first wing plate on it;
(3) positioning web, puts down whole right angle frame, is inserted by the web of the H profile steel of pre-installation between these 2 ~ 3 assembled group two right angle frame to device, and with this first wing plate perpendicular contact;
(4) weld, this first wing plate and web spot welding are reinforced, form the semi-finished product of H profile steel;
(5) the second wing plate is located, take out the semi-finished product of the H profile steel of step (4) gained, second wing plate level of the H profile steel of pre-installation is spread in this 2 ~ 3 assembled group on the base plate of device, make this second wing plate vertical to the base plate of device with this 2 ~ 3 assembled group respectively, and be adjusted to the middle part of base plate, according to height and the width of this second wing plate, insert loose pin, locate the second wing plate on it;
(6) positioning web again, again puts down whole right angle frame, is inserted by half-finished web of the H profile steel of step (4) gained between these 2 ~ 3 assembled group two right angle frame to device, and with this second wing plate perpendicular contact;
(7) weld, this second wing plate and web spot welding are reinforced, form the finished product of H profile steel, take out.
CN201410301924.5A 2014-06-30 2014-06-30 A kind of assembled group of welded H section steel is to device and using method thereof Active CN104070316B (en)

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CN104759814B (en) * 2015-04-10 2016-02-24 中建一局集团第二建筑有限公司 Processing platform of a kind of load ground beam-and-rail and preparation method thereof
CN105414841A (en) * 2015-12-04 2016-03-23 武汉钢铁(集团)公司 Assembling die
CN107326939B (en) * 2017-06-01 2019-07-26 中铁十六局集团北京轨道交通工程建设有限公司 A kind of underground continuous wall connector H profile steel welding template construction device and method
CN111250919A (en) * 2020-03-31 2020-06-09 中国船舶重工集团柴油机有限公司 Non-standard H-shaped steel assembling and positioning clamp and positioning method
CN111590257A (en) * 2020-04-17 2020-08-28 上海江南长兴造船有限责任公司 Positioning and anti-toppling combined tool for torsion box of container ship

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