CN102848124A - Turnover welding device for H-type steel - Google Patents
Turnover welding device for H-type steel Download PDFInfo
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- CN102848124A CN102848124A CN2012103369451A CN201210336945A CN102848124A CN 102848124 A CN102848124 A CN 102848124A CN 2012103369451 A CN2012103369451 A CN 2012103369451A CN 201210336945 A CN201210336945 A CN 201210336945A CN 102848124 A CN102848124 A CN 102848124A
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Abstract
The invention discloses a turnover welding device for H-type steel, which comprises two parallel uprights, wherein the two ends of a horizontally arranged rotating shaft are mounted at the top ends of the two uprights through bearings, a horizontal rotating frame is fixedly mounted on the rotating shaft, a sector gear is fixedly mounted at the end of the rotating shaft, close to one upright, the sector gear is engaged with a small gear on an output shaft of a motor positioned on the upright, a locating lock device used for locating the rotating frame is arranged on the upright on the other side, a limit fixing device of the H-type steel to be processed is arranged on the rotating frame on the two sides of the rotating shaft in the axial direction of the rotating shaft, a lifting device matched with the rotating frame is arranged below the rotating frame, and the motor and the lifting device are connected with a controlling device. With the adoption of the structure, the turnover welding device is convenient to operate, the required labor force is reduced greatly, the producing cost is saved, the locating is fast and accurate, the uniformity is good, and the producing efficiency is greatly improved.
Description
Technical field
The present invention relates to the shaped steel technical field of processing equipment, particularly a kind of H shaped steel suspension column welding equipment.
Background technology
H shaped steel is that a kind of area of section distributes the more more rational economic section high efficiency section bar of optimization, the ratio of strength to weight, gains the name because its section is identical with English alphabet H.H shaped steel has that bending resistance is strong, construction is simple, save the advantages such as cost and lightweight construction, be widely used in using as building materials in the industries such as building, bridge, tower mast and rack, H shaped steel is as main supporting member in the multi-storied garage industry, need to be at the suspension column place of H shaped steel welded post sole and upper plate, during welding mainly by manually positioning, adopt and to put manually that the location is coarse, uniformity is poor, and take more human resources, increased production cost, simultaneously artificial positioning action trouble, holding time is long, and production efficiency is low.In order to guarantee the welding quality of H shaped steel and base plate, when welding, also need H shaped steel is overturn, because H shaped steel volume, weight are all very large, thereby at when welding upset H shaped steel especially difficulty, the manual types H shaped steel that overturn that adopt need to operate with crane more at present, not only inefficiency, the operation loaded down with trivial details, and the operating personnel that need are many, and poor stability is prone to accidents.For the problems referred to above, someone has proposed concrete solution, disclosed by He Chunrong on July 25th, 2012 such as State Intellectual Property Office, the Lin Wei design, the patent No. is 201010193509.4, name is called a kind of patent of invention of H shaped steel suspension column special welding machine, this special welding machine comprises turning rolls, pass platform and template, one group of turning rolls be provided with can be on turning rolls the roller that rotates of 360 degree, described roller comprises roller cap and roller bodies, roller cap and roller bodies cooperatively interact and jointly consist of the installation region of H shaped steel, are provided with the fixed mount suitable with H shaped steel to be welded in this installation region; Pass the end that platform is arranged on turning rolls, with the suitable template-setup of base plate to be welded in the push pedal of passing platform; The center of one group of roller and template is arranged on the same straight line.During use, at first base plate is winched to it in the pushing bracket push pedal with crane, fix with bolt, cylinder is released and is put in place.Simultaneously, by crane the H section steel suspended is packed into oneself opens on the roller inner fixed stand of roller cap, and make H shaped steel one end be close to the base plate face, then clamping is fastening good.Manually get the location lines that pulled on the reinforcement aligning base plate to be welded and carry out the spot welding location, rotation welds the four sides, unclamps base plate and tightens bolt, and cylinder is return original position.This invention is a kind of equipment of the H shaped steel that is used for specially overturning, simple in structure, easy to operate, but this invention only is for the welding quality that guarantees single H shaped steel and base plate H shaped steel to be done flip horizontal along its longitudinal axis, production efficiency is low, do not satisfy in the multi-storied garage industry and should weld upper plate at the other end again at the suspension column place of H shaped steel welded post sole to H shaped steel in enormous quantities, and need the requirement of the relative position relation of maintenance heel slab and upper plate.
Summary of the invention
The object of the present invention is to provide a kind of easy to operate, production cost is low, fast and accurate for positioning, high conformity, H shaped steel reverse welding device that production efficiency is high.
The technical scheme that the present invention adopts for achieving the above object is:
A kind of H shaped steel reverse welding device, it is characterized in that: comprise two columns that be arranged in parallel, the two ends of one horizontally disposed rotating shaft are installed in respectively the top of two columns by bearing, be installed with rotating frame at rotating shaft, end at the close heel post of rotating shaft is installed with sector gear, described sector gear be located at this heel post on the output shaft of motor on pinion be connected, be provided with the positioning locking device that rotating frame can be positioned at the opposite side column, on the rotating frame of rotating shaft both sides along the limiting and fixing device of being axially arranged with of rotating shaft H shaped steel to be processed, below rotating frame, be provided with the lifting device with the corresponding setting of H shaped steel to be processed, motor, lifting device links to each other with control device respectively.
For H shaped steel to be processed is fixed on the rotating frame, limiting and fixing device of the present invention comprises at least two limited blocks that axially evenly arrange take the width of H shaped steel to be processed as spacing distance along rotating shaft that are located on the rotating frame of rotating shaft both sides, the position of corresponding limited block is provided with the side pressure cylinder of fixing H shaped steel to be processed on rotating frame, and the side pressure cylinder links to each other with control device.
As the optimal way of technique scheme, described limited block is 7, and the quantity of H shaped steel to be processed is 6.
For H shaped steel to be processed is fixed on the rotating frame more firmly, the present invention on the rotating frame of rotating shaft both sides along the absorption fixation device that axially is respectively equipped with fixing H shaped steel to be processed of rotating shaft.
As the preferred version of said structure, absorption fixation device of the present invention is to be positioned at the rotating shaft bilateral symmetry to arrange and two electric permanent-magnet suction discs parallel with rotating shaft, and electric permanent-magnet suction disc links to each other with control device.
In order to improve working (machining) efficiency and quality, positioning locking device of the present invention comprises the lockable mechanism that is arranged on the column and is connected in the framework locating rack that matches with lockable mechanism on the rotating frame, described lockable mechanism comprises the horizontally disposed sleeve that is installed on the column, locating shaft one end that is positioned at sleeve passes the sleeve rear end handle outer with being positioned at sleeve and is connected, the locating shaft other end stretches out the barrel forward end outside, locating shaft between handle and sleeve is provided with pin, be provided with two in the sleeve rear end outside and lay respectively at the locating shaft both sides cooperate the location with pin fixture block, locating shaft outside suit one spring in sleeve, one end of spring leans at locating shaft anterior, and the other end leans in sleeve rear end; Be provided with three along 180 degree circumference uniform distribution and the locating holes relative with the locating shaft position at the framework locating rack.
In order to make things convenient for welding operation and location, lifting device of the present invention comprises and is installed in the upper plate lifting device relative with vertical processing stations position, H shaped steel to be processed top and the heel slab lifting device relative with vertical processing stations position, H shaped steel to be processed bottom that is positioned at rotating shaft axial direction both sides on the base.
Further, described upper plate lifting device comprises along rotating shaft and axially is arranged side by side at least two upper plate cylinders on base, the piston rod top of upper plate cylinder is fixed with the upper plate holder, above the upper plate holder, by bolt the upper plate rebound is installed, be provided with the upper plate alignment pin that upper plate to be welded is positioned at the upper plate rebound, the upper plate rebound is relative with vertical processing stations position, the top of H shaped steel to be processed; Described heel slab lifting device comprises along rotating shaft and axially is arranged side by side at least two heel slab cylinders on base, the piston rod top of heel slab cylinder is fixed with the heel slab holder, above the heel slab holder, by bolt the heel slab rebound is installed, be provided with at the heel slab rebound and treat the heel slab alignment pin that the welded post sole positions, the heel slab rebound is relative with vertical processing stations position, the bottom of H shaped steel to be processed.
As the optimal way of technique scheme, described upper plate cylinder, heel slab cylinder are 6, and the quantity of H shaped steel to be processed is 6.
Excessively cause sector gear to screw out and the danger that causes for fear of rotating frame rotation, the present invention also two diagonal positions of rotating frame both sides be fixed with respectively be located at column on the corresponding limit base of limiting plate.
The course of work of the present invention is as follows:
Before the work, at first select suitable limited block according to the model of H shaped steel and limited block is fixed on the relevant position of rotating frame, then, turn to horizontal level by the driven by motor rotating frame, in the locating hole on the insertion of the locating shaft in the lockable mechanism framework locating rack, make the rotating frame horizontal location.During work, lie in a horizontal plane in respectively H shaped steel to be processed on the rotating frame, on the station that consists of between two limited blocks adjacent one another are, then, the action of control device control side pressure cylinder cooperates with limited block H shaped steel to be processed is fixed, simultaneously, the energising of control device control electric permanent-magnet suction disc produces magnetic field with H shaped steel absorption to be processed firmly, again according to the model of H shaped steel to be processed, select suitable upper plate rebound and heel slab rebound, and upper plate and heel slab be installed on respectively on the upper plate alignment pin and heel slab alignment pin on upper plate rebound and the heel slab rebound, then, by handle pulling locating shaft it is withdrawed from from locating hole, turning handle is stuck on two fixture blocks pin on the locating shaft, at this moment, control device control driven by motor rotating frame rotates, H shaped steel to be processed in company with the rotating frame half-twist to the bottom vertical processing stations, and then turning handle makes pin break away from two fixture blocks, locating shaft inserts in the locating hole under the effect of spring again, rotating frame is located, then, control device control heel slab cylinder will upwards be pushed into the bottom face of H shaped steel to be processed with the heel slab of heel slab alignment pin location, at this moment, can be easily H shaped steel and the heel slab of accurate positioning be welded, weld complete after, control device control heel slab cylinder is return, and then from locating hole, extract and make pin to be stuck on two fixture blocks locating shaft, control device control driven by motor rotating frame rotates, with H shaped steel to be processed and heel slab in company with 180 ° of rotating frames together opposite spin to the top vertical processing stations, again locating shaft is reinserted in the locating hole rotating frame is located, equally, the upper plate that control device 7 control upper plate cylinders will have been located with the upper plate alignment pin upwards be pushed into the top end face of H shaped steel to be processed, and H shaped steel and the upper plate of accurate positioning welded; Weld complete after, control device control upper plate cylinder is return, extract locating shaft, control device control driven by motor rotating frame counter-rotates 90 ° to horizontal level, locating shaft is inserted in the locating hole again rotating frame is located again, at this moment, whole welding processing operation is finished, and H shaped steel is unclamped in control device control side pressure cylinder and electric permanent-magnet suction disc action, then, the H shaped steel that has welded heel slab and upper plate can change next procedure over to.Adopt H shaped steel reverse welding device of the present invention, easy to operate, required labour greatly reduces, and has saved production cost, and is fast and accurate for positioning, and high conformity has improved production efficiency greatly.
Description of drawings
Fig. 1 is that the master of H shaped steel reverse welding device of the present invention looks schematic diagram.
Fig. 2 is the schematic top plan view of H shaped steel reverse welding device of the present invention.
Fig. 3 is that schematic diagram is looked on the left side of H shaped steel reverse welding device of the present invention.
Fig. 4 is the structural representation of the lifting device 32 of H shaped steel reverse welding device of the present invention.
Fig. 5 is the structural representation of positioning locking device among Fig. 3.
Fig. 6 is the left TV structure schematic diagram of Fig. 5 middle frame locating rack.
Among the figure, 1-column, 2-rotating shaft, 3-rotating frame, the 4-sector gear, 5-pinion, 6-motor, 7-control device, the 8-limited block, 9-side pressure cylinder, 10-electric permanent-magnet suction disc, 11-framework locating rack, the 12-sleeve, 13-locating shaft, 14-handle, the 15-pin, 16-fixture block, 17-spring, the 18-locating hole, 19-base, 20-upper plate cylinder, 21-upper plate holder, 22-upper plate rebound, 23-upper plate alignment pin, the 24-upper plate, 25-heel slab cylinder, 26-heel slab holder, 27-heel slab rebound, 28-heel slab alignment pin, 29-heel slab, the 30-limiting plate, 31-limit base, 32-lifting device.
The specific embodiment
For clearly demonstrating the technical characterstic of this programme, below by the specific embodiment, and by reference to the accompanying drawings, the present invention is described further.
Extremely shown in Figure 6 such as Fig. 1, H shaped steel reverse welding device, comprise two columns 1 that be arranged in parallel, the two ends of one horizontally disposed rotating shaft 2 are installed in respectively the top of two columns 1 by bearing, be installed with rotating frame 3 at rotating shaft 2, end at rotating shaft 2 close heel posts 1 is installed with sector gear 4, described sector gear 4 be located at this heel post 1 on the output shaft of motor 6 on pinion be connected, be provided with the positioning locking device that rotating frame 3 can be positioned at opposite side column 1, on the rotating frame 3 of rotating shaft 2 both sides along the limiting and fixing device of being axially arranged with of rotating shaft 2 H shaped steel to be processed, below rotating frame 3, be provided with the lifting device with the corresponding setting of H shaped steel to be processed, motor, lifting device links to each other with control device 7 respectively.
The limiting and fixing device of the present embodiment comprises 7 limited blocks 8 that axially evenly arrange as spacing distance take the width of H shaped steel to be processed along rotating shaft 2 that are located on the rotating shaft 2 both sides rotating frames 3, the position of corresponding limited block 8 is provided with the side pressure cylinder 9 of fixing H shaped steel to be processed on rotating frame 3, and side pressure cylinder 9 links to each other with control device 7.Side pressure cylinder 9 cooperates with limited block 86 H shaped steel compressions to be processed.
On the rotating frame 3 of rotating shaft 2 both sides along the electric permanent-magnet suction disc 10 of the fixing H shaped steel to be processed of axially being respectively equipped with of rotating shaft 2, article two, electric permanent-magnet suction disc 10 is positioned at rotating shaft 2 bilateral symmetry settings and parallel with rotating shaft 2, and electric permanent-magnet suction disc 10 links to each other with control device 7.After the energising, electric permanent-magnet suction disc 10 can suck H shaped steel to be processed, matches with side pressure cylinder 9, and H shaped steel to be processed firmly is fixed on the rotating frame 3, has improved the accuracy of processing.
The positioning locking device of the present embodiment comprises the lockable mechanism that is arranged on the column 1 and is connected in the framework locating rack 11 that matches with lockable mechanism on the rotating frame 3, described lockable mechanism comprises by bolt and is installed in horizontally disposed sleeve 12 on the column 1, locating shaft 13 1 ends that are positioned at sleeve 12 pass sleeve rear end and are connected with the handle 14 that is positioned at outside the sleeve 12, locating shaft 13 other ends stretch out the barrel forward end outside, locating shaft 13 between handle 14 and sleeve 12 is provided with pin 15, be provided with two in the sleeve rear end outside and lay respectively at locating shaft 13 both sides cooperate the location with pin 15 fixture block 16, locating shaft 13 outsides in sleeve 12 are set with a spring 17, one end of spring 17 leans in locating shaft 13 front portions, and the other end leans in sleeve 12 rear ends; Be provided with three along 180 degree circumference uniform distribution and the locating holes 18 relative with locating shaft 13 positions at framework locating rack 11.Match with three locating holes 18 by locating shaft 13, rotating frame 3 is locked on the required processing stations, fast and accurate for positioning, high conformity has guaranteed efficient and the quality of processing.
The described lifting device of the present embodiment comprises and is installed in the upper plate lifting device relative with vertical processing stations position, H shaped steel to be processed top and the heel slab lifting device relative with vertical processing stations position, H shaped steel to be processed bottom that is positioned at rotating shaft 2 axial direction both sides on the base 19.
Described upper plate lifting device comprises along rotating shaft 2 and axially is arranged side by side 6 upper plate cylinders 20 on base 19, the piston rod top of upper plate cylinder 20 is fixed with upper plate holder 21, above upper plate holder 21, by bolt upper plate rebound 22 is installed, be provided with the upper plate alignment pin 23 that upper plate 24 to be welded is positioned at upper plate rebound 22, upper plate rebound 22 is relative with vertical processing stations position, the top of H shaped steel to be processed; Described heel slab lifting device comprises along rotating shaft 2 and axially is arranged side by side 6 heel slab cylinders 25 on base 19, the piston rod top of heel slab cylinder 25 is fixed with heel slab holder 26, above heel slab holder 26, by bolt heel slab rebound 27 is installed, be provided with at heel slab rebound 27 and treat the heel slab alignment pin 28 that welded post sole 29 positions, heel slab rebound 27 is relative with vertical processing stations position, the bottom of H shaped steel to be processed.
The present embodiment two diagonal positions of rotating frame 3 both sides be fixed with respectively be located at column 1 on the limit base 31 of limiting plate 30 corresponding cooperations.Before the use, at first rotating frame 3 is rotated to the upright position, make the locating hole 18 on the framework locating rack 11 relative with locating shaft 13 positions of lockable mechanism, then unclamp the bolt on the limit base 31, the limiting plate 30 of regulating on limit base 31 and the column 1 fits, tight a bolt limit base 31 is fixing, like this when rotating frame 3 rotation, limit base 31 matches with limiting plate 30, the danger that can avoid rotating frame 3 rotations excessively to cause sector gear 4 to screw out and cause, safe and reliable, simultaneously, can guarantee that also the locating hole 18 on the framework locating rack 11 is accurately relative with locating shaft 13 positions of lockable mechanism, make fast and accurate for positioning, high conformity has guaranteed efficient and the quality of processing.
The course of work of the present embodiment is as follows:
Before the work, at first select 7 suitable limited blocks 8 according to the model of H shaped steel and limited block 8 is bolted on the relevant position of rotating frame 3, then, turn to horizontal level by motor 6 driven rotary frameworks 3, in the locating hole 18 on the locating shaft 13 insertion framework locating racks 11 in the lockable mechanism, make rotating frame 3 horizontal location.During work, 6 H shaped steel to be processed are lain in a horizontal plane in respectively on the rotating frame 3, on the station that consists of between two limited blocks 8 adjacent one another are, then, 9 actions of control device 7 control side pressure cylinders cooperate with limited block 8 H shaped steel to be processed are fixed, simultaneously, 10 energisings of control device 7 control electric permanent-magnet suction discs produce magnetic field with H shaped steel absorption to be processed firmly, again according to the model of H shaped steel to be processed, select suitable upper plate rebound 22 and heel slab rebound 27, and upper plate 24 and heel slab 29 be installed on respectively on upper plate rebound 22 and the heel slab rebound on 27 the upper plate alignment pin 23 and heel slab alignment pin 28, then, by handle 14 pulling locating shafts 13 it is withdrawed from from locating hole 18, turning handle 14 is stuck on two fixture blocks 16 pin 15 on the locating shaft 13, at this moment, control device 7 control motors 6 driven rotary frameworks 3 rotate, H shaped steel to be processed in company with rotating frame 3 half-twists to the bottom vertical processing stations, and then turning handle 14 makes pin 15 break away from two fixture blocks 16, locating shaft 13 inserts in the locating hole 18 under the effect of spring 17 again, with rotating frame 3 location, then, control device 7 control heel slab cylinders 25 will upwards be pushed into the bottom face of H shaped steel to be processed with the heel slab 29 of heel slab alignment pin 28 location, at this moment, can be easily H shaped steel and the heel slab 29 of accurate positioning be welded, weld complete after, control device 7 control heel slab cylinders 25 are return, and then from locating hole 18, extract and make pin 15 to be stuck on two fixture blocks 16 locating shaft 13, control device 7 control motors 6 driven rotary frameworks 3 rotate, with H shaped steel to be processed and heel slab 29 in company with 180 ° of rotating frames 3 together opposite spin to the top vertical processing stations, again locating shaft 13 is reinserted locating hole 18 interior with rotating frame 3 location, equally, the upper plate 24 that control device 7 control upper plate cylinders 20 will have been located with upper plate alignment pin 23 upwards be pushed into the top end face of H shaped steel to be processed, and H shaped steel and the upper plate 24 of accurate positioning welded; Weld complete after, control device 7 control upper plate cylinders 20 are return, extract locating shaft 13, control device 7 control motors 6 driven rotary frameworks 3 counter-rotate 90 ° to horizontal level again, locating shaft 13 are inserted locating hole 18 again interior with rotating frame 3 location, at this moment, whole welding processing operation is finished, and H shaped steel is unclamped in control device 7 control side pressure cylinders 9 and electric permanent-magnet suction disc 10 actions, then, the H shaped steel that has welded heel slab 29 and upper plate 24 can change next procedure over to.Adopt H shaped steel reverse welding device of the present invention, easy to operate, required labour greatly reduces, and production cost reduces greatly, and is fast and accurate for positioning, and high conformity has improved production efficiency greatly.
Claims (10)
1. H shaped steel reverse welding device, it is characterized in that: comprise two columns that be arranged in parallel, the two ends of one horizontally disposed rotating shaft are installed in respectively the top of two columns by bearing, be installed with rotating frame at rotating shaft, end at the close heel post of rotating shaft is installed with sector gear, described sector gear be located at this heel post on the output shaft of motor on pinion be connected, be provided with the positioning locking device that rotating frame can be positioned at the opposite side column, on the rotating frame of rotating shaft both sides along the limiting and fixing device of being axially arranged with of rotating shaft H shaped steel to be processed, below rotating frame, be provided with the lifting device with the corresponding setting of H shaped steel to be processed, motor, lifting device links to each other with control device respectively.
2. H shaped steel reverse welding device according to claim 1, it is characterized in that: described limiting and fixing device comprises at least two limited blocks that axially evenly arrange take the width of H shaped steel to be processed as spacing distance along rotating shaft that are located on the rotating frame of rotating shaft both sides, the position of corresponding limited block is provided with the side pressure cylinder of fixing H shaped steel to be processed on rotating frame, and the side pressure cylinder links to each other with control device.
3. H shaped steel reverse welding device according to claim 2, it is characterized in that: described limited block is 7.
4. H shaped steel reverse welding device according to claim 1 is characterized in that: on the rotating frame of rotating shaft both sides along the absorption fixation device that axially is respectively equipped with fixing H shaped steel to be processed of rotating shaft.
5. H shaped steel reverse welding device according to claim 4 is characterized in that: described absorption fixation device is to be positioned at the rotating shaft bilateral symmetry to arrange and two electric permanent-magnet suction discs parallel with rotating shaft, and electric permanent-magnet suction disc links to each other with control device.
6. H shaped steel reverse welding device according to claim 1, it is characterized in that: described positioning locking device comprises the lockable mechanism that is arranged on the column and is connected in the framework locating rack that matches with lockable mechanism on the rotating frame, described lockable mechanism comprises the horizontally disposed sleeve that is installed on the column, locating shaft one end that is positioned at sleeve passes the sleeve rear end handle outer with being positioned at sleeve and is connected, the locating shaft other end stretches out the barrel forward end outside, locating shaft between handle and sleeve is provided with pin, be provided with two in the sleeve rear end outside and lay respectively at the locating shaft both sides cooperate the location with pin fixture block, locating shaft outside suit one spring in sleeve, one end of spring leans at locating shaft anterior, and the other end leans in sleeve rear end; Be provided with three along 180 degree circumference uniform distribution and the locating holes relative with the locating shaft position at the framework locating rack.
7. H shaped steel reverse welding device according to claim 1 is characterized in that: described lifting device comprises and is installed in the upper plate lifting device relative with vertical processing stations position, H shaped steel to be processed top and the heel slab lifting device relative with vertical processing stations position, H shaped steel to be processed bottom that is positioned at rotating shaft axial direction both sides on the base.
8. H shaped steel reverse welding device according to claim 7, it is characterized in that: described upper plate lifting device comprises along rotating shaft and axially is arranged side by side at least two upper plate cylinders on base, the piston rod top of upper plate cylinder is fixed with the upper plate holder, above the upper plate holder, by bolt the upper plate rebound is installed, be provided with the upper plate alignment pin that upper plate to be welded is positioned at the upper plate rebound, the upper plate rebound is relative with vertical processing stations position, the top of H shaped steel to be processed; Described heel slab lifting device comprises along rotating shaft and axially is arranged side by side at least two heel slab cylinders on base, the piston rod top of heel slab cylinder is fixed with the heel slab holder, above the heel slab holder, by bolt the heel slab rebound is installed, be provided with at the heel slab rebound and treat the heel slab alignment pin that the welded post sole positions, the heel slab rebound is relative with vertical processing stations position, the bottom of H shaped steel to be processed.
9. H shaped steel reverse welding device according to claim 8, it is characterized in that: described upper plate cylinder, heel slab cylinder are 6.
10. H shaped steel reverse welding device according to claim 1 is characterized in that: two diagonal positions of rotating frame both sides be fixed with respectively be located at column on the corresponding limit base of limiting plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210336945.1A CN102848124B (en) | 2012-09-13 | 2012-09-13 | Turnover welding device for H-type steel |
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|---|---|---|---|
| CN201210336945.1A CN102848124B (en) | 2012-09-13 | 2012-09-13 | Turnover welding device for H-type steel |
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| CN102848124B CN102848124B (en) | 2015-07-01 |
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