CN1700963A - Method and device for the production of a lattice girder - Google Patents
Method and device for the production of a lattice girder Download PDFInfo
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- CN1700963A CN1700963A CN 200480000827 CN200480000827A CN1700963A CN 1700963 A CN1700963 A CN 1700963A CN 200480000827 CN200480000827 CN 200480000827 CN 200480000827 A CN200480000827 A CN 200480000827A CN 1700963 A CN1700963 A CN 1700963A
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- lower flange
- lattice girder
- abdomen bar
- thin plate
- flange
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F27/00—Making wire network, i.e. wire nets
- B21F27/12—Making special types or portions of network by methods or means specially adapted therefor
- B21F27/20—Making special types or portions of network by methods or means specially adapted therefor of plaster-carrying network
Abstract
Disclosed is a method for producing a lattice girder (G, G') comprising at least one upper chord (O), at least one lower chord (U, U'), and at least one strut wire (Z, Z') that extends back and forth between the upper chord and the lower chord, is bent in a zigzag-shaped manner, is provided with bending tips on the upper chord side and the bottom chord side, and is welded to the upper chord and the lower chord. The distance (T, T') between adjacent bending tips (S, S') of the strut wires is selected differently within a lattice girder. The lower chord can be fed on different feeding planes (X-X, X'-X') while the lattice girder is cut off the continuously produced bar of material in predetermined cutting positions.
Description
Technical field
The present invention relates to a kind of method and apparatus of making lattice girder, lattice girder comprises at least one top flange, at least one lower flange and at least one abdomen bar, the extension back and forth between top flange and lower flange of abdomen bar, zigzag bending, top flange side and lower flange side have crooked summit and respectively with top flange and lower flange welding.
Background technology
Lattice girder extensive use in architectural engineering of the lower flange that the abdomen bars that have a top flange and two to extend by zigzag are connected with the top flange.Lattice girder passes through the lower flange overhang bracket on support, so the bearing capacity of lattice girder end depends on how far whether the lower flange stretched out or stretched out from bottom wing edge strip and last being welded to connect of abdomen bar.Because the equipment (AT-365486B) of making this lattice girder in known being used for can only produce the abdomen bar have predetermined constant curved shape and thereby the crooked summit of abdomen bar the unified lattice girder of the phase mutual edge distance of regulation is arranged, so the bearing capacity of this lattice girder depends on the length of the concrete needs of each lattice girder, this length obtains by blocking by edge of a wing bar that progressively infeeds and abdomen bar quantity-produced lattice girder.Therefore, take the lattice girder that known measure can not the production random length, its end, lower flange is finished by a welding node or is in the zone on the crooked summit of abdomen bar.
Summary of the invention
The objective of the invention is, overcome the shortcoming of described prior art and the method and apparatus of creating the described type of preface, they make might produce a kind of like this at least one top flange that comprises in simple mode, the lattice girder of the abdomen bar that at least one lower flange and at least one are extended between top flange and lower flange back and forth, this lattice girder can be made length arbitrarily, meanwhile their end, lower flange or end, top flange are finished by a welding node, so the maximum load-carrying capacity that can make full use of it is and irrelevant with the concrete length of blocking, and in addition they can bear shearing additional in stent area.A further object of the invention is that a kind of equipment will be provided, what it can be necessary at least one lattice girder is fixed on the templated metal thin plate stablely, under this applicable cases, lattice girder must can be pressed length manufacturing arbitrarily equally, yet the end of lattice girder is in the zone on the crooked summit of abdomen bar.
Method by manufacturing lattice girder of the present invention, lattice girder comprises at least one top flange, at least one lower flange and at least one abdomen bar, the extension back and forth between top flange and lower flange of abdomen bar, zigzag bending, top flange side and lower flange side have crooked summit and respectively with top flange and lower flange welding, it is characterized in that, distance on the adjacent flex summit of the abdomen bar of a lattice girder inside is chosen as different, wherein preferably will be little apart from what select than in the lattice girder central area in the end of lattice girder; The lower flange can be in different input plane inputs; And, lattice girder is cut off at the material base of predetermined cutting position from continuous manufacturing.
Preferably, lattice girder is connected on the welding node back that the crooked summit by lower flange and lower flange side constitutes and cuts off to keeping close watch over along producer.
Scheme as an alternative is with the crooked summit internal cutting off in lower flange side of lattice girder at the abdomen bar.
By another design, lattice girder is connected on the welding node back cut-out that the crooked summit by top flange and top flange side constitutes along producer to keeping close watch over.
In above-mentioned form of implementation, the plussage of giving prominence to from the lower flange of abdomen bar outwards or is inwardly pressed predetermined angular bend from the plane of abdomen bar, wherein the plussage that preferably bends when outwardly-bent is in the plane of a level.
In addition by the present invention when each lattice girder has only an abdomen bar, its midfield bar extends in a vertical plane, the outstanding plussage from the lower flange of abdomen bar along producer to seeing left and to the right at the plane inner bending of a level.
By another feature of the present invention, lattice girder is connected with the templated metal thin plate by the plussage of the bending of its abdomen bar, preferably welding.
Theme of the present invention also relates to a kind of equipment that is used to implement described method, it comprises the feed arrangement that is used for upper limb edge strip and bottom wing edge strip and abdomen bar, a bending apparatus that is used for the abdomen bar, be used to connect the welder of abdomen bar and top flange and lower flange, two are used for respect to the fixing centring means on the crooked summit of lower flange side of top flange welder, a cutter sweep and a bunching device that is used to block the lattice girder that welds, be characterised in that by this equipment of the present invention, be provided with one and be connected the bending apparatus downstream, can rotating centring means, the crooked summit that is used for fixing the lower flange side, centring means can be used for respect to the top flange welder fixedly the centring means on the crooked summit of lower flange side turn round; And be used for respect to the fixing centring means on the crooked summit of lower flange side of top flange welder, not only its mutual apart from aspect and also its from the centering fixture apart from aspect can be parallel to producer to adjusting, and the welder that is used for the lower flange can be parallel to producer to adjusting according to the predetermined distance on crooked summit; Be provided with an additional cutter sweep, be used to block the crooked summit of lower flange side; And, be used for the lower flange side crooked summit cutter sweep and be used for top flange and lower flange and in case of necessity additionally the cutter sweep of abdomen bar can be parallel to producer to mobile according to the incision site of in lattice girder, expecting.
Preferably, centring means can be rotated to support on a gyroaxis on the frame and fixedlys connected with one, and is used for, and the welder of top flange can be parallel to producer according to the distance on crooked summit to moving.
Scheme as an alternative, centring means is parallel to producer to moving and rotation is contained on the gyroaxis regularly according to the distance on crooked summit, and, be used for the top flange the welder fixed-site be arranged on frame.
By another inventive features, can adjust with different gearratios by a common adjusting device at centring means adjustable aspect its phase mutual edge distance.
Preferably, be provided with one and can move and be connected the bending apparatus in its downstream, be used for bending the abdomen bar and surpass the outstanding plussage in lower flange from abdomen bar plane with respect to cutter sweep.
By the another kind of form of implementation of the present invention, feed arrangement, welder, be used for the cutter sweep of lower flange and be used for the lower flange and the cutter sweep of abdomen bar in height is adjustable, to adapt to the different input plane in lower flange.
In addition, by the present invention, in order in bending apparatus, to adjust the distance on the crooked summit of abdomen bar, for mobile centring means, welder, cutter sweep and bending apparatus, be respectively arranged with servo-driver, they can be controlled according to the predetermined distance on crooked summit by a central controller.
The lattice girder that the plussage of knuckle is set can input to bunching device at last.
Scheme is used to implement the equipment of described method as an alternative, wherein lattice girder is connected with the templated metal thin plate by the plussage of its abdomen bar bending, preferably welding, it is characterized in that the templated metal thin plate can extract and the lateral transfer device takes out from a stacking storehouse, can also can be placed on the supporting station along lateral transfer by one; At least one lattice girder can take out, can and can be placed on the templated metal thin plate along lateral transfer from bunching device by a lateral transfer and equipment device; Be equipped with lattice girder the templated metal thin plate can by one can be parallel to producer to the input of moving, have a plurality of clamps and pulling off device can periodically transmit jockey from the templated metal thin plate a to plussage that is used for the abdomen bar that be fixed on carry and send from jockey.
Preferably, jockey is an electric welding machine, and it has a welding electrode right for each contact point between templated metal thin plate and abdomen bar, wherein, these welding electrodes to be arranged in one transverse to producer on the sealing wire that extends.
Description of drawings
Describe other features and advantages of the present invention referring to accompanying drawing in detail by embodiment.Wherein:
Fig. 1 schematically illustrates the side view of a kind of embodiment that is used to make the equipment of lattice girder by the present invention;
Fig. 2 represents the device detail drawing of crooked abdomen bar plussage;
Fig. 3 represents a kind of scheme of lattice girder cutter sweep; And
Fig. 4 schematically illustrates the vertical view that is used for a plurality of lattice girders are welded in a kind of embodiment of the equipment on the templated metal thin plate by the present invention.
The specific embodiment
The equipment 1 of expression is used to make lattice girder G among Fig. 1 to 3, and its part comprises that a top flange O, two are parallel to each other and be parallel to lower flange U, U ' that top flange O extends and two extensions back and forth between top flange O and lower flange U, U ' respectively, zigzag bending, and edge of a wing bar O by selectable spacing; Abdomen bar Z, the Z ' of U, U ' welding.Abdomen bar Z, the Z ' of zigzag bending has crooked summit S and crooked summit S ' arranged near lower flange U, U ' in the zone of top flange O.Distance between distance between the S of two adjacent flex summits of top flange side or two adjacent flex summits of the lower flange side S ' is called calibration T, T '.Distance definition between top flange lateral bending Qu Dingdian S and lower flange lateral bending Qu Dingdian S ' is the height of lattice girder G.By thought of the present invention, calibration T, T ' a lattice girder G inside can be different, wherein preferably in the zone of support, that is in two end regions of lattice girder G, calibration T ' is chosen as narrower than the calibration T in lattice girder G central area, because the shearing maximum of being born by lattice girder G the regional planted agent of support.
Top flange O extends between abdomen bar Z, Z ' top flange lateral bending Qu Dingdian S, and lower flange U, U ' are welded in abdomen bar Z, Z ' outside or inboard respectively in welding node K1, K2.Lower flange U, U ' are in the input plane X-X of a level, and in the embodiment shown in fig. 1, plane X-X has predetermined selectable distance to extend with respect to top flange O above the crooked summit S ' of abdomen bar Z, Z '.Abdomen bar Z, Z ' surpass bottom wing edge strip U, the outstanding plussage E of U ', can outwards or inwardly bend by predetermined selectable angle from the plane of abdomen bar Z, Z ' within the scope of the invention.In the embodiment shown in Fig. 1 and 2, plussage E is outwards bending by this way, promptly, plussage E ' after bending is in the horizontally extending plane, and work as thus by lattice girder G ' being fixed on that Fig. 4 represents by equipment of the present invention, preferably be welded on templated metal thin plate B when going up, bigger contact-making surface be provided and thereby bigger stability arranged by lattice girder G '.Lower flange U, U ' depend primarily on statics requirement to the lattice girder made from respect to the position of abdomen bar Z, Z '.But, when the plussage E of bending abdomen bar Z, Z ', for the fastness of welding node K1 and K2 between lower flange U, U ' and abdomen bar Z, Z ', advantageously described bending is carried out exceeding outside lower flange U, the U '.Within the scope of the invention, lower flange U, U ' as shown in Figure 3 can be interior extensions of input plane X '-X ', and this plane overlaps at the crooked summit S ' of lower flange side with abdomen bar Z, Z '.
Equipment shown in Figure 1 has the frame 2 of a fixed-site, and it is seen at feed arrangement 3 of its entrance side band to P1 along producer.Feed arrangement 3 has a top flange clamping device 4, and pull out to P1 along producer in the standby storehouse of bar that the bar of top flange O being used by it is not periodically represented from a figure.In addition, feed arrangement 3 has a lower flange clamping device 5, the standby storehouse of the bar of two lower flange U, U ' usefulness periodically not being represented from figure by it of bar along producer in P1 draws in transporting flat X-X.Feed arrangement 3 can be contained in movably by the direction of four-headed arrow P2 on a plurality of rollers 6, roller 6 at least one with slide rail 7 that frame 2 is fixedlyed connected on roll.The conveying stride of top flange clamping device 4 and lower flange clamping device 5 can be respectively by a crank gear adjustment that eccentric wheel or linear actuator are arranged.Top flange clamping device 4 can be by the direction adjustment height of four-headed arrow P3, so that can produce the lattice girder with differing heights.Lower flange clamping device 5 can be by the direction adjustment of four-headed arrow P4 height, in order to the input plane X-X that lower flange U, U ' input is different or X '-X ' (Fig. 3) in.
Adorn abdomen bar Z, Z ' that a bending apparatus 8 is used to cause the zigzag bending on frame 2, it for example designs according to AT-365486B by traditional mode.The bar D, the D ' that are used for constituting abdomen bar Z, Z ' pull straight from the standby storehouse of bar that figure does not represent.Bending apparatus 8 capable abdomen bar Z, the Z ' that cause differing heights T, T ' and differing heights according to operating position.Two abdomen bar Z, Z ' roof shapes extend, and wherein, the angle between two abdomen bar Z, Z ' can be selected within the scope of the invention.The crooked summit S of top flange side at first is welded on the O of top flange by welder 9.Welder 9 for example can be formed by the welding electrode that is placed on from the outside welding interval on abdomen bar Z, the Z ' by two, as introducing among the patent document AT-365486B.Welder 9 is contained in the rail driving 10, and it can move in the direction of two slide rails 12 of fixedlying connected with frame 2 in a plurality of rollers 11 upper edges by four-headed arrow P5.Install the transformer 13 of edge of a wing welder 9 usefulness in rail driving 10, transformer is connected with top flange welder 9 by flexible cable 14.
Top flange O inlet side was guided by the top flange conduit 15 of band guiding accessory 16 before top flange welder 9.Outlet side is established a top flange orienting device 17 after top flange welder 9, it mainly by one be parallel to input plane X-X (perpendicular to the figure paper plane), guide plate adjustable, that extend on a plurality of crooked summit S of abdomen bar Z, Z ' is formed, its task is top flange O to be eliminated reverse and avoid the possible bending of lattice girder G, promptly so-called archwise.Top flange welder 9, top flange conduit 15 all can be contained in according to the direction adjustment of four-headed arrow P6 in the rail driving 10 to heavens together with guiding accessory 16 and top flange orienting device 17, and the lattice girder G of differing heights is arranged in order to manufacturing.
In order to locate abdomen bar Z with respect to top flange O, the lower flange lateral bending Qu Dingdian S ' of Z ', inlet side was established fixedly a centring means 18 and an adjustment centring means 19 that is connected the back before top flange welder 9, and outlet side is established another adjustment centring means 20 after top flange welder 9, wherein, centring means 18,19,20 insert abdomen bar Z, in the lateral bending Qu Dingdian S ' of Z ' lower flange, and with figure in not the expression at abdomen bar Z, the bearing mating reaction of extending between the Z ', and thus with respect to the fixing abdomen bar Z of top flange O, the crooked summit S ' of Z ' lower flange side.By abdomen bar Z, Z ' firmly are welded on the O of top flange, be scheduled to lower flange lateral bending Qu Dingdian S ' along lower flange U, U ' position longitudinally equally according to the calibration T, the T ' that in lattice girder G, expect.
Fixedly centring means 18 is fixedlyed connected with gyroaxis 22 by rocking bar 21, and gyroaxis 22 can be fixedlyed connected by the rocking bar 23 that the direction of four-headed arrow P7 is swung with one again.In addition, another root rocking bar 24 is fixedlyed connected with gyroaxis 22, other end band one guide rail 25 of rocking bar.Connecting rod 26 rotations of a band adjustment centring means 19 are installed on the guide rail 25, but can move by the direction of four-headed arrow P8, and rotation is fixed but can the connecting rod 27 that another band is adjusted centring means 20 be installed movably by the direction of four-headed arrow P9 equally.The adjustment of connecting rod 26,27 and thereby adjust the adjustment of centring means 19,20, undertaken by an adjusting device that only schematically illustrates 28.Adjusting device 28 can comprise that two adjustment screw rods by the thread segment of different drive ratios form by two controllable hydraulic cylinders or by one within the scope of the invention.By adjusting device 28, abdomen bar Z as requested, Z ' calibration T, T ', adjust to adjust centring means 19 and 20 they each other distance and from the fixing distance of centring means 18, wherein, the adjustment stroke that outlet side adjustment centring means 20 is adjusted centring means 19 with respect to inlet side is adjusted into different adjustment strokes in the same way, in order that fixedly guaranteeing all the time based on the desired distance of expecting of calibration T, T ' between centring means 18 and the inlet side adjustment centring means 19 and between inlet side adjustment centring means 19 and outlet side adjustment centring means 20.By being connected on the one hand in rigidity between gyroaxis 22 and two rocking bars 21 and 24, and being rigidly connected between the rocking bar 24 with guide rail 25 and two connecting rods 26 and 27 on the other hand, centring means 18 and two adjustment centring means 19 and 20 are periodically waved by the direction of four-headed arrow P7, make them thus periodically with lower flange lateral bending Qu Dingdian S ' engagement with throw off the position of meshing and fix them with respect to top flange welder 9.In illustrated embodiment, adjust centring means 19 and fixedly connected, and the welder 9 that is used for top flange O can be parallel to producer and moves to P1 by the direction of four-headed arrow P5 with gyroaxis 22.But within the scope of the invention also can be used for top flange O welder 9 fixed-site be contained in frame 2, and centring means 18 can be abreast moves to P1 to P1 or contrary producer along producer, but rotation is contained on the gyroaxis 22 regularly.
Abdomen bar Z, Z ' be by welder 29 and bottom wing edge strip U, U ' welding, thus, and each abdomen bar Z; Z ' is respectively at two welding node K
1, K
2With relevant lower flange U, U ' welding.Welder 29 for example is made up of shunt and each welding electrode that can be seated in from the outside on lower flange U, the U ' that is located between abdomen bar Z, the Z ', as describing in detail among the AT-365486B.Lower flange welder 29 is by the cycling identical with top flange welder 9.Welder 29 is contained in away in the driving 30, walk driving can on a plurality of rollers 31 by the direction of four-headed arrow P10 along travelling on two fixed-site ground and the supporting rail 32 that frame 2 is connected.The transformer 33 of lower flange welder 29 is contained in away in the driving 30, and it is connected with lower flange welder 29 by flexible cable 34.Within the scope of the invention, the abdomen bar Z that can or extend at the roof shape of two lower flange U, U ', Z ' outside or extend in their the insides.Can be according to lower flange U, U ' extended position design welder 29 with respect to abdomen bar Z, Z '.The described extended position of lower flange U, U ' is by the knuckle decision of the abdomen bar Z, the Z ' plussage E that the statics of lattice girder G are required and importantly will be illustrated by the back.
Outlet side is established a guiding device 35 in lower flange welder 29 back, it mainly by one have the guide plate of the guiding face that is used for lower flange U, U ' and correspondingly the roof shape evener be used for abdomen bar Z, Z ' that is shaped be grouped into, and be used to guide lower flange U, U ' and be used for the spacing of abdomen bar Z, Z ' lower flange lateral bending Qu Dingdian S '.Guide plate is along a plurality of crooked summit S ' extension of abdomen bar Z, Z ' and can and can be parallel to producer to the axis upset that P1 extends, the arched or sag (Stich) that the compensation lattice girder G that therefore has the ability produces when producing around one perpendicular to input face X-X (in the figure paper plane) revolution.Lower flange welder 29 and guiding device 35 can be contained in away by the direction adjustment of four-headed arrow P11 in the driving 30 to heavens, in order to making lower flange U, U ' the lattice girder G of diverse location are arranged.
Finish the lattice girder G input cutter sweep 36 of welding, cut off the crooked summit S ' of abdomen bar Z, Z ' lower flange side by cutter sweep according to the length of lattice girder G expectation.Cutter sweep 36 has two cutters 37, and they cut off this crooked summit S ' at the center of lower flange lateral bending Qu Dingdian S '.For mobile line of cut is contained in cutter sweep 36 on the car 38, it can the direction by four-headed arrow P12 travel along supporting rail 32 on roller 39, and supporting rail 32 is connected with frame 2 fixed-site ground.
Then lattice girder G is transported to bending apparatus 40, it goes out from the plane of abdomen bar Z, Z ' abdomen bar Z, Z ' by this way from the outstanding plussage E of lower flange U, U ' to excurvation, that is, the plussage E ' after the bending is extended in the plane of a level.By the so-called pin that forms in this way, correspondingly increased the supporting-point of lattice girder G ', award better stability of lattice girder G ' thus.Bending apparatus 40 is contained on the car 38 equally, and thereby can move by the direction of four-headed arrow P12.Because their operating position of cutter sweep 36 and bending apparatus 40 must be in the lateral bending Qu Dingdian S ' of lower flange as far as possible exactly, so bending apparatus 40 can be contained on the car 38 with respect to cutter sweep 36 by the direction of four-headed arrow P13 with adjusting.Be the lattice girder G ' that especially considers by inventive concept like this and should make different calibration T, T '.Bending apparatus 40 can be located at before the cutter sweep 36 within the scope of the invention, so at first bend plussage E, follows the plussage E ' in the crooked summit S ' internal cutting off bending that has bent.As require to cut guiding regularly, open with the end of avoiding plussage E ' bending back to cut off in this layout.In illustrated embodiment, do not need to do like this, because the end that plussage E cuts off when bending compresses in a plane.
For cut off top flange O and lower flange U, U ' and thereby in order finally to downcut lattice girder G from material base, connect a cutter sweep 41 in the downstream, it can move at roller 42 upper edge supporting rails 32 by the direction of four-headed arrow P14, to guarantee the cutting position consistent with the cutting position of cutter sweep 36.Cutter sweep 41 comprise one can be by the cutter sweep that is used for top flange O 43 and the cutter sweep 44 that is used for lower edge wing U, U ' that can adjust height by the direction of four-headed arrow P16 equally of the direction adjustment of four-headed arrow P15 height.The lattice girder G ' that cuts off exports and is placed on the bunching device 45 (Fig. 4) from production line.
In bending apparatus 40 detail drawings that schematically illustrate among Fig. 2 a bending tool 46 is arranged, it can be by the direction revolution of four-headed arrow P17.In illustrated crooked place, bending tool 46 is bearing on the abdomen bar Z from the outside, and wherein, centering realizes on the U of lower flange by the groove 47 that correspondingly is shaped.Carriage 48 abuts on the inboard of abdomen bar Z, and carriage prevents that abdomen bar Z from dodging when bending.If lower flange U is in abdomen bar Z inboard, then carriage 48 must have a groove that correspondingly mates with lower flange U.The bending of plussage E can be by the rotating curved lever 49 of the direction of four-headed arrow P18 by one.Bending tool 46 is designed in the side that it faces curved lever 49, makes the plussage E ' after the bending, and promptly so-called pin extends in the plane of a level.The device that is used to bend abdomen bar Z ' plussage E designs similarly.
Within the scope of the invention, the plussage E of outstanding lower flange U, U ' of abdomen bar Z, Z ' can be by selectable angle from the plane of abdomen bar Z, Z ' outwards and bend inwards.In order to adjust the bending angle of expectation, correspondingly control the motion of curved lever 49.For plussage E is bent inwards, correspondingly be arranged in to mirror-symmetrical the bending apparatus of representing among Fig. 2 46,48 and 49.
Within the scope of the invention, as schematically illustrating among Fig. 3, can make a kind of lattice girder G, its lower flange U, U ' in lateral bending Qu Dingdian S ' zone, lower flange along the input plane X '-X ' extension of level.In this case, each abdomen bar Z, Z ' are only by a welding node K and relevant lower flange U, U ' welding.Lattice girder G in this applicable cases by the top flange that can move by the direction of four-headed arrow P ' 14 and lower flange cutter sweep 41 ' cut-out.The bar thickness that depends on lower edge wing U, U ' and abdomen bar Z, Z ', the width that welding node K is designed to vary in size.Top flange and lower flange cutter sweep 41 ' cutting position must be chosen as, in any case keep being welded to connect of lower flange U, U ' and abdomen bar Z, Z '.After welding node K hour is close to welding node K, cut, and when welding node K broad, can in welding node K, cut.Top flange and lower flange cutter sweep 41 ' comprise in the present embodiment can equally can be by the cutter sweeps 50 that is used for cutting off jointly lower flange U, U ' and abdomen bar Z, Z ' of the direction adjustment height of four-headed arrow P ' 16 by the top flange O cutter sweep 43 of the direction adjustment height of four-headed arrow P15 and one.Cutter sweep 36 and bending apparatus 40 are inoperative in this embodiment.
In addition, also represented the end section of lattice girder G in Fig. 3, it has a calibration T ' in its end, and the calibration T in the central region of lattice girder G adjacency is little for this division ratio.In the lattice girder of using always in architectural engineering, calibration T, T ' are in 180 to 220mm scopes.
The equipment 51 that Fig. 4 schematically illustrates in vertical view is used for a plurality of lattice girder G ' are welded in a templated metal thin plate B, and wherein, templated metal thin plate B has a plurality of flat rib R along templated metal thin plate B longitudinal extension.
Templated metal thin plate B 54 takes out from a stacking storehouse by the extraction that can move on two slide rails 52 by the direction of four-headed arrow P19 and lateral transfer device 53, and carries and be placed on this supporting station 55 to supporting station 55 by the direction of arrow P 20.This templated metal thin plate B for example proposes from the stacking storehouse by promoting magnet or vacuum cups.
Can take out a lattice girder G ' at lateral transfer and the equipment device 56 that two slide rails 52 move from the bunching device 45 of lattice girder G ' by the direction of four-headed arrow P21 by one, and carry and be placed on by this way on the templated metal thin plate B that lies in the there to supporting station 55 by the direction of arrow P 22, that is, abdomen bar Z, Z ' the plussage E ' of knuckle are placed on the rib R of templated metal thin plate B.According to operating position, equipment is a plurality of on templated metal thin plate B, preferred three lattice girder G '.
Input and pulling off device 58 are pressed templated metal thin plate B ' work rhythm of electric welding machine 60 by electric welding machine 60 drawings.At last, the templated metal thin plate B ' that finishes welding is not had the device of expression to take out and it is transported among the figure, for example be stacked in other places to use.In case supporting station 55 is vacated, just a new templated metal thin plate B is placed on the supporting station, and production cycle restarts.
Essence of the present invention is, according to the lattice girder G that will make, the length of G ' can be with lattice girder G, the calibration T of G ' inside, T ' is adjusted into different by this way, promptly, make and cut off lattice girder G from the quantity-produced material base, G ' can be by operating position, or be close to as shown in Figure 3 in welding node K back by top flange and lower flange cutter sweep 41 ' carry out, or undertaken by abdomen bar cutter sweep 36 and top flange and lower flange cutter sweep 41 in that lower flange lateral bending Qu Dingdian S ' is interior as shown in Figure 1, wherein, narrower calibration T ' is always at lattice girder G, the end of G ' and place, top.
Therefore, the cutting position that length that the lattice girder G that requires, will make based on the statics to lattice girder G is scheduled to and lattice girder G require is at first for example determined in best calibration T, the T ' of lattice girder G inside and their order by computer.Serve as the basis changes bending apparatus 8 when producing lattice girder G calibration T, T ' with this set-point then, and move adjustment centring means 19 and 20, top flange welder 9 and lower flange welder 29 constantly in suitable production.In addition, should correspondingly mobile top flange and the cutter sweep 41,41 of lower flange ' and the cutter sweep 36 of abdomen bar and the bending apparatus 40 of abdomen bar plussage E in case of necessity.Because moving, must under the situation of breaks in production not, finish described these, so at each moving movement P5, P8, P9, P10, P12, P13, P ' 14 and P ' 14 appropriate servo-driver is set, they can be controlled according to computer relevant time flow of determining and the set-point of regulating parameter by a central controller.
Obviously, illustrated embodiment in the scope of basic thought of the present invention especially the design aspect at lattice girder G, G ' different modifications can be arranged.Lattice girder can have only a lower flange U, and in this case, the abdomen bar is welded in both sides and thereby the extension parallel to each other of lower flange U.
Can make a kind of lattice girder within the scope of the invention, it has only an abdomen bar Z.This lattice girder can have one or two top flange and or one or two lower flange within the scope of the invention.Having only a top flange and having only in the form of implementation of a lower flange, top flange and lower flange alternately are welded on the abdomen bar respectively from the outside.In the form of implementation that two top flanges and two lower flanges are arranged respectively, they are welded on the abdomen bar respectively in pairs mutually opposed to each other from the outside.The abdomen bar surpasses lower flange or the many plussages that the lower flange is outstanding, always sees to P1 along producer alternately to bend with a left side to the right.
In addition, within the scope of the invention, templated metal thin plate B can be provided with a plurality of flat thin plate flanges and be provided with a plurality of flat rib R with replacement, wherein, the thin plate flange extends parallel to each other and extends maybe and can give prominence to from the plane of templated metal thin plate B by a selectable acute angle perpendicular to templated metal thin plate B within the scope of the invention.When adopting vertically extending thin plate flange, abdomen bar Z, Z ' surpass the outstanding plussage E of lower flange U, U ' and must bend inwards by this way by means of bending apparatus 40, that is, the plussage E ' after the bending is extended parallel to each other.Under this applicable cases, lattice girder is placed on the templated metal thin plate B by this way, that is, plussage E ' always can be laterally or from the outside or abut on the vertical thin plate flange from the inside and can be connected with them.The welding realization of plussage E ' with the thin plate flange of bending is preferably passed through in described connection.Connect but also can for example cause to clamp towards the extruding of plussage direction within the scope of the invention by the thin plate flange.
When employing acutangulates outstanding thin plate flange, abdomen bar Z, Z ' exceed the outstanding plussage E of lower flange U, U ' by bending apparatus 40 outwards bending by this way, that is, the plussage E ' after the bending is extended by a position that is parallel to the thin plate flange of acute angle.Under this applicable cases, lattice girder is placed on the templated metal thin plate B by this way, that is, make plussage E ' always along the thin plate flange slippage of acute angle, and side direction abuts on the thin plate flange and is attached thereto from the outside, preferably welding.
In addition, the cutter sweep that is used for downcutting from material base lattice girder G, G ' within the scope of the invention can be orientated as, make top flange O its with the welding node of abdomen bar Z, Z ' in or be right after behind this welding node by an otch cut-out common with abdomen bar Z, Z '.Do not need to cut the abdomen bar separately in this case equally and cutter sweep 36 is inoperative.Otch position accurately can be similar at the form of implementation selection of cutting off welding node K.
At last, the plussage E ' that bent of lattice girder G ' can be fixed on by the clip of a plurality of hook-shaped bendings on the templated metal thin plate B within the scope of the invention.Should be fixed on corresponding position there here on templated metal thin plate B respectively later at the plussage E ' of lattice girder G ', welding is as the narrow thin plate band or the bar of clip.In that to put lattice girder G ' back clip crooked and thus lattice girder G is clamped on the templated metal thin plate B ' around the plussage E ' of abdomen bar Z, Z ' knuckle.
Claims (25)
1. make lattice girder (G, G ') method, lattice girder comprises at least one top flange, at least one lower flange (U, U ') and at least one abdomen bar (Z, Z '), the abdomen bar extends between top flange and lower flange back and forth, the zigzag bending, top flange side and lower flange side have crooked summit and respectively with top flange and lower flange welding, it is characterized by: at a lattice girder (G, G ') Nei Bu abdomen bar (Z, Z ') adjacent flex summit (S, S ') distance (T, T ') be chosen as different, wherein preferably at lattice girder (G, G ') end will be selected to such an extent that compare at lattice girder (G apart from (T '), G ') little in the central area; Lower flange (U, U ') can be imported in different input plane (X-X, X '-X '); And, lattice girder (G, G ') is cut off at the material base of predetermined cutting position from continuous manufacturing.
2. it is characterized by in accordance with the method for claim 1: lattice girder (G, G ') is kept close watch over to be connected on by lower flange (U, U ') to (P1) along producer cut off with welding node (K) back of crooked summit (S ') formation of lower flange side.
3. it is characterized by in accordance with the method for claim 1: with lattice girder (G, G ') abdomen bar (Z, Z ') in the crooked summit of lower flange side (S ') internal cutting off.
4. it is characterized by in accordance with the method for claim 1: lattice girder (G, G ') is kept close watch over to be connected on by top flange (O) to (P1) along producer cut off with the welding node back of crooked summit (S) formation of top flange side.
5. according to the described method of one of claim 1 to 4, it is characterized by: (U, U ') outstanding plussage (E) from the lower flange of abdomen bar (Z, Z ') outwards or is inwardly pressed predetermined angular bend from the plane of abdomen bar (Z, Z ').
6. it is characterized by in accordance with the method for claim 5: the plussage (E ') of bending is in the plane of a level when outwardly-bent.
7. according to the described method of one of claim 1 to 5, it is characterized by: when each lattice girder (G, G ') has only an abdomen bar (Z), its midfield bar (Z) extends in a vertical plane, and (U, U ') outstanding plussage (E) from the lower flange of abdomen bar (Z) is seen alternately left and to the right at the plane inner bending of a level to (P1) along producer.
8. according to the described method of one of claim 1 to 7, it is characterized by: lattice girder (G ') is connected with templated metal thin plate (B) by the plussage (E ') of the bending of its abdomen bar (Z, Z '), preferably welding.
9. implement equipment according to the described method of one of claim 1 to 8, comprise the feed arrangement that is used for upper limb edge strip and bottom wing edge strip and abdomen bar, a bending apparatus that is used for the abdomen bar, be used to connect the welder of abdomen bar and top flange and lower flange, two are used for respect to the fixing centring means on the crooked summit of lower flange side of top flange welder, a cutter sweep and a bunching device that is used to block the structural beams that welds, it is characterized by: be provided with one and be connected bending apparatus (8) downstream, can turn round the centring means (18) of (P7), the crooked summit (S ') that is used for fixing the lower flange side, centring means (18) can be used for respect to the fixing centring means (19 on the crooked summit (S ') of lower flange side of top flange welder (9), 20) revolution (P7) together; And be used for respect to the fixing centring means (19,20) on the crooked summit (S ') of lower flange side of top flange welder (9), not only its mutual apart from aspect and also its from centering fixture (18) apart from aspect, can be parallel to producer and adjust (P8, P9,10) to (P1), and the welder (29) that is used for lower flange (U, U ') can be parallel to producer according to the predetermined distance (T, T ') of crooked summit (S, S ') and adjusts (P8, P9, P10) to (P1); Be provided with an additional cutter sweep (36), be used to block the crooked summit (S ') of lower flange side; And, be used for the lower flange side crooked summit (S ') cutter sweep (36) and be used for top flange (O) and lower flange (U, U ') and in case of necessity additionally the cutter sweep (41,41 ') of abdomen bar (Z, Z ') can be parallel to producer according to the incision site of expectation in lattice girder (G) and move (P12, P14, P ' 14) to (P1).
10. according to the described equipment of claim 9, it is characterized by: centring means (18) is fixedlyed connected with a gyroaxis (22) that can be rotated to support on the frame (2); And the welder (9) that is used for top flange (O) can be parallel to producer according to the distance (T, T ') of crooked summit (S, S ') and move (P5) to (P1).
11. according to the described equipment of claim 9, it is characterized by: centring means (18) can be parallel to producer according to the predetermined distance (T, T ') of crooked summit (S, S ') and move and rotation is contained on the gyroaxis (22) regularly to (P1); And, be used for top flange (O) welder (9) fixed-site be arranged on frame (2).
12., it is characterized by: can adjust with different gearratios by a common adjusting device (28) at centring means adjustable aspect its phase mutual edge distance (19,20) according to the described equipment of one of claim 9 to 11.
13. according to the described equipment of one of claim 9 to 12, it is characterized by: being provided with one can move (P13) and be connected the bending apparatus (40) in its downstream with respect to cutter sweep (36), is used for from the plussage (E) that exceeds lower flange (U, U ') of the plain bending abdomen bar (Z, Z ') of abdomen bar (Z, Z ').
14. according to the described equipment of claim 13, it is characterized by: bending apparatus (40) for each abdomen bar (Z, Z ') have one can rotating (P17), alternately from outside or be bearing in internally on the abdomen bar (Z, Z '), by lower flange (U, U ') centering can rotating (P17) flector (46), also have inboard or a carriage on the outside (48) and (P18) curved lever (49) of pressing selectable angle rotary that alternately abuts in abdomen bar (Z, Z ').
15. according to the described equipment of one of claim 9 to 14, it is characterized by: feed arrangement (5), welder (29), be used for the cutter sweep (44) of lower flange (U, U ') and be used for lower flange (U, U ') and the cutter sweep (50) of abdomen bar (Z, Z ') in height is adjustable (P4, P11, P16, P ' 16), to adapt to the different input plane (X-X, X '-X ') in lower flange (U, U ').
16. according to the described equipment of one of claim 9 to 15, it is characterized by: in order in bending apparatus (8), to adjust the distance (T, T ') on the crooked summit (S, S ') of abdomen bar (Z, Z '), for mobile centring means (19,20), welder (9,29), cutter sweep (36,41,41 ') and bending apparatus (40), be respectively arranged with servo-driver, they can be controlled according to the predetermined distance (T, T ') of crooked summit (S, S ') by a central controller.
17. according to the described equipment of one of claim 9 to 16, it is characterized by: the lattice girder (G ') that is provided with the plussage (E ') of knuckle can input to bunching device (45).
18. implement to it is characterized by according to claim 8 with according to the described equipment of one of claim 9 to 17: templated metal thin plate (B) can take out from a stacking storehouse (54) by an extraction and lateral transfer device (53), can carry and can be placed on the supporting station (55) along horizontal (P20); At least one lattice girder (G ') can take out, can carry and can be placed on the templated metal thin plate (B) along horizontal (P21) from bunching device (45) by a lateral transfer and equipment device (56); The templated metal thin plate (B ') that is equipped with lattice girder (G ') can be parallel to producer by one and move input (P23), that have a plurality of clamps (59) and pulling off device (58) to (P1) and can periodically transmit ground (P24) and carry and send from jockey (60) to the jockey (60) that a plussage (E ') that is used for abdomen bar (Z, Z ') is fixed on the templated metal thin plate (B).
19. according to the described equipment of claim 18, it is characterized by: jockey is an electric welding machine (60), it has a welding electrode to (61) for each contact point between templated metal thin plate (B) and abdomen bar (Z, Z '), wherein, these welding electrodes to (61) be arranged in one transverse to producer on the sealing wire that (P1) extends.
20. according to the described equipment of claim 19, it is characterized by: electric welding machine (60) has many sealing wires of arranging by selectable phase mutual edge distance mutually, wherein, in order to adapt to calibration distances (T, T ') different in the lattice girder (G '), at least one sealing wire both can also can move to (P1) by contrary producer to (P1) along producer.
21. according to the described equipment in one of claim 19 or 20, it is characterized by: templated metal thin plate (B) has flat vertical rib (R), and the plussage (E ') of the knuckle of lattice girder (G ') can be welded in these above vertical rib.
22., it is characterized by:, on templated metal thin plate (B), flexible hooked device is set in order between the plussage (E ') of templated metal thin plate (B) and the bending of abdomen bar (Z, Z '), to be connected according to the described equipment of claim 18.
23. according to the described equipment of one of claim 18 to 20, it is characterized by: templated metal thin plate (B) has the thin plate flange that some perpendicular and that extend parallel to each other, apart distances are arranged; And the plussage (E ') of the abdomen bar of lattice girder (G ') (Z, Z ') can flex inward into a position of extending perpendicular to templated metal thin plate (B) and can and equip device (56) side direction by lateral transfer and be placed on the thin plate flange and can be connected with them by bending apparatus (40).
24. according to the described equipment of one of claim 18 to 20, it is characterized by: templated metal thin plate (B) has and becomes thin plate flange selectable acute angle and extension parallel to each other, that apart distance is arranged with it; And the plussage (E ') of the abdomen bar of lattice girder (G ') (Z, Z ') can curve outwardly into a position parallel with the thin plate flange that acutangulates extension and can be placed on the thin plate flange with equipment device (56) side direction and can be connected with them by lateral transfer by bending apparatus (40).
25. according to the described equipment in one of claim 23 or 24, it is characterized by: the plussage of bending (E ') can be welded with the thin plate flange.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA1349/2003 | 2003-08-27 | ||
| AT13492003A AT413342B (en) | 2003-08-27 | 2003-08-27 | METHOD AND DEVICE FOR PRODUCING A GRID CARRIER |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1700963A true CN1700963A (en) | 2005-11-23 |
| CN100415405C CN100415405C (en) | 2008-09-03 |
Family
ID=34229704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800008277A Expired - Fee Related CN100415405C (en) | 2003-08-27 | 2004-05-07 | Method and device for the production of a lattice girder |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1660256A1 (en) |
| JP (1) | JP2007503311A (en) |
| KR (1) | KR100718624B1 (en) |
| CN (1) | CN100415405C (en) |
| AT (1) | AT413342B (en) |
| ES (1) | ES2261106T1 (en) |
| WO (1) | WO2005021181A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412186B (en) * | 2007-10-17 | 2012-11-14 | 沙普公司 | Variable adjustable cutoff device for roll formers |
| CN103357795A (en) * | 2013-07-17 | 2013-10-23 | 建科机械（天津）股份有限公司 | Height adjustable stepper conveying mechanism for truss string rebars |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2361869B1 (en) * | 2009-12-11 | 2012-04-04 | Grupo De Ingenieria Oceanica, S.L. | PLANT AND PROCEDURE FOR AUTOMATED MANUFACTURE OF CELOS STRUCTURES�? |
| AT511656B1 (en) * | 2011-06-30 | 2015-01-15 | Progress Maschinen & Automation Ag | METHOD AND DEVICE FOR CONTINUOUS PRODUCTION OF A GRID CARRIER |
| CN104668404B (en) * | 2015-03-12 | 2016-05-25 | 云南德政建筑新材料科技有限公司 | A kind of waveform steel wire shaping machine |
| WO2024084532A1 (en) * | 2022-10-20 | 2024-04-25 | Awm Srl | Method and apparatus for producing metal lattice girders and lattice girder |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2032673A (en) * | 1933-09-27 | 1936-03-03 | Thibierge Jean Georges | Machine for manufacturing reenforcing elements for concrete structures |
| DE1078979B (en) * | 1954-03-16 | 1960-04-07 | Stefan Keller Dipl Ing | Method and device for producing a load-bearing component from wire |
| AT286751B (en) * | 1967-12-28 | 1970-12-28 | Evg Entwicklung Verwert Ges | Method and device for the continuous production of trusses |
| GB1326142A (en) | 1970-07-02 | 1973-08-08 | Debry M | Machine for the automatic continuous manufacture of re inforcements |
| AT317648B (en) * | 1970-12-10 | 1974-09-10 | Evg Entwicklung Verwert Ges | Device for zigzag laying a wire for a support infill or the like. |
| AT365486B (en) * | 1979-08-03 | 1982-01-25 | Evg Entwicklung Verwert Ges | MACHINE FOR THE AUTOMATIC MANUFACTURING OF WELDED LUMBAR CARRIERS |
| SU1106886A2 (en) * | 1983-02-25 | 1984-08-07 | Куйбышевский Филиал Всесоюзного Института По Проектированию Организации Энергетического Строительства "Оргэнергострой" | Jig |
| NL1000848C1 (en) * | 1995-07-19 | 1997-01-21 | Bouwburo Duisters B V | Lattice-work girder |
| GB2346575B (en) * | 1999-02-10 | 2003-05-14 | Structherm Ltd | Truss machine |
| AT407229B (en) * | 1999-07-28 | 2001-01-25 | Filzmoser Franz | Device for manufacturing a lattice girder |
| RU2186915C2 (en) * | 2000-09-28 | 2002-08-10 | Чернов Алексей Николаевич | Reinforcing cage ( variants ) |
-
2003
- 2003-08-27 AT AT13492003A patent/AT413342B/en not_active IP Right Cessation
-
2004
- 2004-05-07 KR KR1020057007188A patent/KR100718624B1/en not_active IP Right Cessation
- 2004-05-07 JP JP2006524166A patent/JP2007503311A/en active Pending
- 2004-05-07 ES ES04731534T patent/ES2261106T1/en active Pending
- 2004-05-07 CN CNB2004800008277A patent/CN100415405C/en not_active Expired - Fee Related
- 2004-05-07 EP EP04731534A patent/EP1660256A1/en not_active Withdrawn
- 2004-05-07 WO PCT/AT2004/000158 patent/WO2005021181A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101412186B (en) * | 2007-10-17 | 2012-11-14 | 沙普公司 | Variable adjustable cutoff device for roll formers |
| CN103357795A (en) * | 2013-07-17 | 2013-10-23 | 建科机械（天津）股份有限公司 | Height adjustable stepper conveying mechanism for truss string rebars |
| CN103357795B (en) * | 2013-07-17 | 2015-04-22 | 建科机械（天津）股份有限公司 | Height adjustable stepper conveying mechanism for truss string rebars |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100718624B1 (en) | 2007-05-16 |
| KR20060055429A (en) | 2006-05-23 |
| ES2261106T1 (en) | 2006-11-16 |
| WO2005021181A1 (en) | 2005-03-10 |
| CN100415405C (en) | 2008-09-03 |
| AT413342B (en) | 2006-02-15 |
| JP2007503311A (en) | 2007-02-22 |
| EP1660256A1 (en) | 2006-05-31 |
| ATA13492003A (en) | 2005-07-15 |
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