CN119794702B - A construction welding device for a composite beam bridge with corrugated steel webs - Google Patents
A construction welding device for a composite beam bridge with corrugated steel webs Download PDFInfo
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- CN119794702B CN119794702B CN202510294531.4A CN202510294531A CN119794702B CN 119794702 B CN119794702 B CN 119794702B CN 202510294531 A CN202510294531 A CN 202510294531A CN 119794702 B CN119794702 B CN 119794702B
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Abstract
The invention relates to a construction welding device for a corrugated steel web combined beam bridge, and belongs to the technical field of corrugated steel web welding devices. The invention comprises a chassis, wherein the chassis is provided with a plurality of supporting beams, a transverse clamping mechanism, a movable driving mechanism and a centering pressing mechanism, each supporting beam is arranged on the chassis in a sliding manner along the left-right direction, the transverse clamping mechanisms are provided with a plurality of groups, the transverse clamping mechanisms are arranged on the chassis in a sliding manner, each transverse clamping mechanism comprises two supporting blocks, each supporting block is internally provided with a clamping arm, the two supporting blocks can synchronously approach each other to drive the clamping arms to clamp on two straight edges of a corrugated plate, the movable driving mechanism can drive each transverse clamping mechanism to approach each other to drive the clamping arms to press on the supporting beams, the centering pressing mechanism is provided with a plurality of groups, and each supporting beam is provided with a pair of centering pressing mechanisms. The clamping fixture is wider in application range, can clamp and fix a plurality of corrugated plates at the same time, and is higher in machining efficiency.
Description
Technical Field
The invention relates to the technical field of corrugated steel web welding devices, in particular to a construction welding device for a corrugated steel web combined beam bridge.
Background
The corrugated steel web composite girder bridge is a bridge structural form combining a concrete top plate and a concrete bottom plate and corrugated steel webs. The bridge of the type is widely applied to modern bridge engineering because of the advantages of high-efficiency material utilization, dead weight reduction, construction process simplification and the like.
The corrugated steel web composite beam bridge consists of a concrete top plate, a concrete bottom plate and corrugated steel webs, wherein the corrugated steel webs are connected with an upper concrete plate and a lower concrete plate to provide bending rigidity and supporting force, and the corrugated steel webs increase the section moment of inertia through special corrugated shapes, so that the shearing resistance and the overall stability can be improved.
The corrugated steel web is long, is formed by welding a plurality of corrugated plates with short lengths in a splicing mode, and before welding, the corrugated plates are required to be positioned so as to improve welding accuracy and ensure welding quality.
The utility model provides a positioner among the prior art, a wave form steel web welded fastening device as disclosed in patent of the bulletin number CN219443966U of authorizing, the device includes the base, two sliding grooves have been seted up at the top of base, and the inner wall of two sliding grooves all is connected with two-way lead screw through the bearing, one side outer wall of base is provided with servo motor, servo motor's output shaft is connected with two-way lead screw, the outer wall of two-way lead screw has cup jointed the slider, the top outer wall of slider is provided with two mobile stations, the spacing groove has all been seted up at the top of two mobile stations, the both sides of mobile station top outer wall all are provided with the pneumatic cylinder, the piston rod of pneumatic cylinder is connected with the roof, the bottom of roof is provided with extrusion mechanism, the centre department of base top outer wall is provided with the portal frame.
The device is through placing the wave plate in the spacing groove on the mobile station, drives two mobile stations again and is close to each other, makes two wave plates piece together, later makes the roof move down and presses to establish on the wave plate to realize the location to the wave plate. But the device can only fix a position the wave shaped plate of same model, application scope is narrower, and in actual production process, wave shaped steel web is formed by more than two wave shaped plates welding, and the device can only fix a position two wave shaped plates, and when required wave shaped steel web length is longer, when needs to be formed with wave shaped plate welding that the quantity is more, it is difficult to once only accomplish the location to polylith wave shaped plate to use this positioner.
Disclosure of Invention
The invention provides a construction welding device for a corrugated steel web combined beam bridge, which aims to solve the technical problems that a positioning device cannot position corrugated plates of various different types and cannot simultaneously position a large number of corrugated plates when welding corrugated steel webs in the prior art, and the application range is narrow.
In order to solve the problems, the construction welding device for the corrugated steel web composite girder bridge provided by the invention adopts the following technical scheme:
The construction welding device for the corrugated steel web combined beam bridge comprises an underframe, wherein a plurality of supporting beams, a transverse clamping mechanism, a movable driving mechanism and a centering pressing mechanism are arranged on the underframe, the supporting beams extend in the front-back direction and are distributed at intervals in the left-right direction, and each supporting beam is slidably arranged on the underframe in the left-right direction;
The left side and the right side of each supporting beam are respectively provided with a group of transverse clamping mechanisms, the transverse clamping mechanisms are arranged on the underframe in a left-right sliding manner, each transverse clamping mechanism comprises two supporting blocks which are symmetrically arranged left and right, one end of each supporting block, which is opposite to the other supporting block, is provided with a clamping arm, each clamping arm comprises a clamping block, a gap is arranged between each clamping block and each supporting block in the left-right direction, and the two supporting blocks can synchronously approach each other so as to drive the clamping blocks to be pressed on two straight edges of the corrugated plate;
the movable driving mechanism can drive the transverse clamping mechanisms to mutually approach to drive the clamping blocks to be pressed on the supporting beams on the corresponding sides, and the clamping blocks are pushed by the supporting beams to rotate below the top surfaces of the supporting blocks and move towards the corresponding supporting blocks so that the end parts of the corrugated plates move above the supporting beams;
Each supporting beam is provided with a group of centering and pressing mechanisms, each centering and pressing mechanism comprises two pressing assemblies which are symmetrically distributed around, the two pressing assemblies can be synchronously close to each other so as to push two corrugated plates on the supporting beam to be centered, and the pressing assemblies can also press the corrugated plates on the supporting beam after centering the corrugated plates.
By adopting the technical scheme, the underframe is provided with the supporting beam, the transverse clamping mechanism and the centering pressing mechanism, the supporting beam and the transverse clamping mechanism can slide along the left-right direction, the centering pressing mechanism is arranged on the supporting beam, when the corrugated plate to be welded is positioned, the corrugated plate can be firstly placed on the transverse clamping mechanism, the transverse clamping mechanism clamps the corrugated plate and enables the corrugated plate to be aligned in the front-back direction, then the groups of transverse clamping mechanisms are mutually close under the driving of the moving driving mechanism, the corrugated plates are driven by the moving driving mechanism to mutually close, and the supporting beams are finally clamped between the two groups of adjacent transverse clamping mechanisms. The clamping blocks can rotate to the lower parts of the corrugated plates when in contact with the supporting beams and are pushed by the supporting beams to move towards the corresponding supporting blocks, so that the end parts of the corrugated plates can be erected on the supporting beams, a plurality of corrugated plates are spliced together, and the splicing positions are located above the supporting beams, so that subsequent welding is facilitated.
The centering pressing mechanism can align all corrugated plates in the left-right direction, the aligned corrugated plates are pressed on the supporting beam, the corrugated plates are fixed, and the welding process is more stable. The device can clamp, splice and position the corrugated plates of various different models, has wider application range, can splice and position the corrugated plates simultaneously, and has higher positioning efficiency.
Further, the clamping arm still includes the slider, elastic sliding mounting is about the slider on the supporting shoe, and with holding block between each other end rotate, one of them one end of slider stretches to the supporting shoe outside, the bottom rotation of holding block is installed in the slider stretches to the one end in the supporting shoe outside on, and be connected with torsional spring one between the slider, the bottom of holding block is equipped with the slot of opening dorsad supporting shoe, all be equipped with the actuating lever that corresponds with the slot on the lateral wall about the supporting beam, the in-process that clamping arm and supporting beam are close to each other, the actuating lever inserts in the slot and with holding block screw drive, in order to drive the holding block rotate below the supporting shoe top surface, the supporting beam promotes to rotate below the supporting shoe top surface holding block and slider orientation supporting shoe removal, make the part that stretches to the supporting shoe outside in the corrugated plate remove to supporting beam top.
By adopting the technical scheme, the in-process that horizontal fixture is close to towards supporting beam, the actuating lever inserts in the slot, drives the grip block and rotates downwards, and the grip block no longer keeps off the tip of establishing at the wave plate, is convenient for splice the wave plate, and the slider can side-to-side slip for the grip arm can be pushed towards the supporting shoe by supporting beam after the grip block rotates downwards and remove, thereby makes the tip of wave plate can remove to supporting beam's top, simple structure is ingenious.
Further, the transverse clamping mechanism further comprises a support and a double-head clamping cylinder, the support is arranged on the underframe in a left-right guiding sliding mode, the two supporting blocks are arranged on the support in a left-right sliding mode, and two output ends of the double-head clamping cylinder are respectively connected with the two supporting blocks so as to drive the two supporting blocks to be close to or far away from each other synchronously.
By adopting the technical scheme, the double-head clamping cylinder is used for driving the two supporting blocks to be close to or far away from each other, the structure is simple, and the equipment assembly is more convenient.
Further, guide slopes are arranged on the left side and the right side of the top of the support beam, and the two guide slopes on the support beam are mutually far away from each other from top to bottom.
By adopting the technical scheme, the end part of the corrugated plate can be conveniently moved to the upper part of the supporting beam.
Further, the compression assembly comprises a first pushing piece and a second pushing piece which are arranged at intervals in the front-back direction, the first pushing piece and the second pushing piece are both arranged on the supporting beam in a front-back guiding sliding manner, the first pushing piece is located on one side close to the center of the supporting beam, an elastic piece I which can stretch forwards and backwards is connected between the first pushing piece and the second pushing piece, a compression rod is arranged at the top of the first pushing piece, the middle part of the compression rod is rotatably arranged on the first pushing piece along a rotation axis extending leftwards and rightwards, a torsion spring II is connected between the compression rod and the first pushing piece, a pushing block is arranged at the top of the second pushing piece, and a pushing inclined surface which inclines downwards towards the first pushing piece from top to bottom is arranged on one side of the pushing block.
According to the technical scheme, the first elastic piece is connected between the first pushing piece and the second pushing piece, the first pushing pieces push the corrugated plate firstly in the process that the two groups of pressing assemblies are close to each other, so that the corrugated plate is centered, the resistance of the first pushing piece is increased after the corrugated plate is clamped between the first pushing pieces, the elastic piece is compressed firstly, the second pushing piece is close to the first pushing piece, in the process, the pushing block moves towards the pressing rod, the pressing rod is lifted upwards towards one end of the first pushing piece through the pushing inclined surface, the other end of the pressing rod moves downwards, the corrugated plate is pressed on the supporting beam, and the corrugated plate is fixed, so that the position of the corrugated plate is more stable in the subsequent welding process, and no deviation is generated.
Further, the pushing piece I comprises two pushing blocks I which are symmetrical left and right and are arranged at intervals, the positions of the two pushing blocks I in the front-rear direction are relatively fixed, an interval is arranged between the pushing blocks I and the top surface of the supporting beam, the pushing piece II comprises two pushing blocks II which are symmetrical left and right and are arranged at intervals, the positions of the two pushing blocks II in the front-rear direction are relatively fixed, an interval is arranged between the pushing blocks II and the top surface of the supporting beam, an interval area between the pushing blocks I and the top surface of the supporting beam is communicated with an interval area between the pushing blocks II and the top surface of the supporting beam, so that a containing groove for containing the arc striking plate is formed, a baffle is arranged at the rear end of the pushing blocks II, and when the two pressing assemblies are close to each other, the arc striking plates in the two pressing assemblies are pushed by the baffle to be close to each other.
By adopting the technical scheme, before starting the centering hold-down mechanism, firstly, the arc striking plate is inserted in the accommodating groove, then in the process that the hold-down components are close to each other, the arc striking plate is driven to move towards the corrugated plate, the corrugated plate realizes centering and is pressed and fixed, simultaneously, the arc striking plate is pressed on the corrugated plate, the arc striking plate is fixed on the corrugated plate by a mechanical structure, before welding the corrugated plate, the arc striking plate is not fixed on the corrugated plate in a welding mode, welding materials can be saved, when the arc striking plate needs to be cut after the welding of the corrugated plate is finished, the arc striking plate and the corrugated plate are more convenient to cut due to the adhesion only at the arc striking position, and the cutting efficiency is higher, and the abrasion to the cutter is less.
Further, the centering and compressing mechanism further comprises a double-head centering cylinder, the double-head centering cylinder is arranged on the supporting beam, and two output ends of the double-head centering cylinder are respectively connected with two pushing parts II in the two groups of compressing assemblies.
By adopting the technical scheme, the double-head centering cylinder drives the two groups of compression assemblies to synchronously approach each other or synchronously separate from each other, so that the structure is simple, and the equipment is convenient to assemble.
Further, a movable frame crossing the underframe along the front-back direction is also arranged on the underframe, the movable frame is movably arranged on the underframe left and right, and a welding machine capable of moving back and forth is arranged on the movable frame.
By adopting the technical scheme, the welding machine is arranged on the movable frame, so that the welding machine can conveniently walk back and forth in the left-right direction to weld all splicing positions of the plurality of corrugated plates.
The construction welding device for the corrugated steel web combined beam bridge has the advantages that the transverse clamping mechanism and the centering pressing mechanism are arranged, so that corrugated plates of various types can be clamped, assembled and fixed, the application range is wider, the transverse clamping mechanism is movably arranged on the underframe left and right through the support beam which can move left and right, a plurality of corrugated plates can be clamped and positioned at the same time, all the corrugated plates are welded at each splicing position after being positioned, and the processing efficiency can be improved.
Drawings
The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, embodiments of the invention are illustrated by way of example and not by way of limitation, and like reference numerals refer to similar or corresponding parts and in which:
FIG. 1 is a schematic structural view of a construction welding device for a corrugated steel web composite girder bridge provided by the invention;
FIG. 2 is a schematic structural view II of a construction welding device for a corrugated steel web composite girder bridge provided by the invention;
FIG. 3 is a schematic diagram of a partial structure of a construction welding device for a corrugated steel web composite girder bridge according to the present invention;
Fig. 4 is a schematic diagram of a partial structure in a construction welding device of a corrugated steel web composite girder bridge according to the present invention;
Fig. 5 is a schematic structural diagram of a pressing component in a construction welding device of a corrugated steel web composite girder bridge according to the present invention;
Fig. 6 is a schematic structural diagram II of a pressing component in a construction welding device of a corrugated steel web composite girder bridge;
Fig. 7 is a cross-sectional view of a support block in a construction welding device for a corrugated steel web composite girder bridge.
Reference numerals illustrate:
1. The device comprises a chassis, 101, a cross beam, 2, a driving screw, 3, a movable frame, 301, a supporting rail, 302, a support, 4, a corrugated plate, 5, a supporting beam, 6, a first U-shaped fastener, 7, a support, 701, a longitudinal rod, 702, a cross rod, 8, a double-head clamping cylinder, 9, a supporting block, 901, a stopping step, 10, a sliding block, 11, a clamping block, 111, a straight rod section, 112, a cylindrical section, 12, a double-head centering cylinder, 13, a first connecting plate, 14, a driving rod, 15, a pushing block, 151, a top plate, 152, a bottom plate, 153, a vertical connecting plate, 154, a baffle, 16, a pushing block, 161, a pushing inclined plane, 17, an elastic telescopic rod, 18, a pushing block, 181, a top plate, 182, a bottom plate, 183, a vertical connecting plate, 19, a pressing rod, 20, an arc striking plate, 21, a second U-shaped fastener, 22, a second connecting plate, 23, a second elastic member, 24 and a shaft section.
Detailed Description
The following description of the embodiments of the present invention will be made more complete and clear to those skilled in the art by reference to the figures of the embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The following is one embodiment of a construction welding device for a corrugated steel web composite girder bridge provided by the invention:
as shown in figures 1-7, the construction welding device of the corrugated steel web composite girder bridge comprises a bottom frame 1, a supporting beam 5, a transverse clamping mechanism, a movable driving mechanism, a centering pressing mechanism, a movable frame 3 and a welding machine.
As shown in fig. 1 and 2, the underframe 1 is horizontally arranged on the ground and comprises two cross beams 101 which extend from side to side and are arranged at intervals front to back. The front side and the back side of the underframe 1 are respectively provided with a left-right extending driving screw rod 2, and the underframe 1 is also provided with two motors which are respectively used for driving the two driving screws 2 to rotate, and the motors are not shown in the figure.
The support beams 5 are provided in plurality, and the plurality of support beams 5 are arranged on the underframe 1 at intervals along the left-right direction. Each support beam 5 extends in the front-rear direction, and each support beam 5 is guide-slidably fitted in the left-right direction on the chassis 1. The concrete assembly mode is that the front end and the rear end of the supporting beam 5 are connected with first U-shaped fasteners 6, the two first U-shaped fasteners 6 at the front end and the rear end of the supporting beam 5 are respectively covered on the two cross beams 101, the two first U-shaped fasteners 6 prevent the supporting beam 5 from being separated from the underframe 1, and the supporting beam 5 can slide back and forth on the underframe 1 along the left and right directions.
The left and right sides at the top of the supporting beam 5 are provided with chamfers, the chamfers form guide slopes, the two guide slopes are mutually far away from each other from top to bottom, the guide slopes are used for guiding the end part of the corrugated plate 4 to move to the position above the supporting beam 5, and the guide slopes are not shown in the figure.
As shown in fig. 3 and 4, two driving rods 14 extending leftwards and rightwards and arranged at intervals are connected to the left side beam wall and the right side beam wall of the supporting beam 5, the driving rods 14 on the left side and the right side of the supporting beam 5 are symmetrically arranged, and threads are arranged outside the driving rods 14.
The transverse clamping mechanisms are provided with a plurality of groups, and the left side and the right side of each supporting beam 5 are respectively provided with a group of transverse clamping mechanisms. As shown in fig. 3 and 4, the transverse clamping mechanism comprises a bracket 7, a double-head clamping cylinder 8, a supporting block 9 and a clamping arm.
The bracket 7 includes a longitudinal bar 701 and two cross bars 702, the longitudinal bar 701 extends in the front-rear direction, the two cross bars 702 extend in the left-right direction, and the two cross bars 702 are connected to the middle part of the longitudinal bar 701 and are partially disposed on the left and right sides of the longitudinal bar 701. The longitudinal bar 701 is slidably mounted on the chassis 1 along the left-right direction, in which the front and rear ends of the longitudinal bar 701 are connected with second U-shaped fasteners 21, and the two second U-shaped fasteners 21 at the front and rear ends of the longitudinal bar 701 are respectively covered on the two cross beams 101.
The double-ended clamp cylinder 8 is installed above the two cross bars 702 and is kept centered with the vertical bars 701, and the double-ended clamp cylinder 8 has two output ends that can be synchronously moved closer to each other or synchronously moved away from each other in the left-right direction.
The two supporting blocks 9 are arranged, the two supporting blocks 9 are respectively sleeved on the two cross beams 101 in a sliding mode along the left-right direction, the two supporting blocks 9 are symmetrically arranged left and right and are respectively connected to two output ends of the double-head clamping cylinder 8, and the double-head clamping cylinder 8 can drive the two supporting blocks 9 to synchronously approach each other or synchronously separate from each other.
Two guide holes which are distributed at intervals from front to back are arranged at one end of each support block 9, which is opposite to the other support block 9, and the guide holes extend leftwards and rightwards and have square cross sections.
As shown in fig. 2, four clamping arms are provided, and two clamping arms which are distributed at intervals in the front-back direction are respectively arranged on one side, facing away from the other supporting block 9, of each supporting block 9, and each clamping arm comprises a sliding block 10 and a clamping block 11.
The sliding block 10 extends along the left-right direction and the cross section is square, the sliding block 10 is inserted in the guide hole in a sliding manner along the left-right direction, as shown in fig. 7, an elastic piece II 23 which can stretch along the left-right direction is connected between the bottom surface of the guide hole and the sliding block 10, the elastic piece II 23 is a pressure spring, the elastic piece II 23 applies elastic force back to the supporting block 9 to the sliding block 10, the sliding block 10 on the half side extends to the outer side of the supporting block 9, and the end surface of the sliding block 10 extending to the outer side of the supporting block 9 is provided with a shaft section 24 extending left and right.
The support block 9 is further provided with a stop step 901 for stopping the sliding block 10 from sliding towards the outer side of the guide hole, and the second elastic member 23 enables the sliding block 10 to be pressed against the stop step 901 along the direction back to the support block 9, and the stop step 901 stops the sliding of the sliding block 10, so that the sliding block 10 can only move towards the inner side of the guide hole but cannot move towards the outer side of the guide hole.
As shown in fig. 3, the clamping block 11 includes a cylindrical section 112 extending left and right in the axis and a straight rod section 111 connected to the cylindrical section 112 and extending in the radial direction of the cylindrical section 112. The cylindrical section 112 is longer than the shaft section 24 at the end part of the slide block 10, the half side of the cylindrical section 112, which is close to the supporting block 9, is rotatably sleeved on the shaft section 24, and a torsion spring I is connected between the cylindrical section 112 and the shaft section 24, the torsion spring I enables the straight rod section 111 to be kept in a vertical state, and when the straight rod section 111 is in a vertical state, the top end of the straight rod section 111 is higher than the top surface of the supporting block 9.
The other half side of the cylindrical section 112 is provided with a slot with an opening facing away from the supporting block 9, two slots in two clamping arms on the same supporting block 9 respectively correspond to two driving rods 14 on the same beam wall in the supporting beam 5, the cylindrical section 112 can be in screw transmission fit with the driving rods 14 through the slots, namely, the cylindrical section 112 can be driven to rotate in the process of inserting the driving rods 14 into the slots, and the cylindrical section 112 can drive the straight rod section 111 to rotate below the top surface of the supporting block 9.
The supporting block 9 is provided with a groove communicated with the guide hole at the side of the guide hole, and the straight rod section 111 rotating below the top surface of the supporting block 9 can be received in the groove when being pushed by the supporting block 9.
When the slide block 10 is stopped by the stop step 901, the size of the interval between the side wall of the clamping block 11 facing the supporting block 9 and the supporting block 9 is equal to half of the width of the supporting beam 5 in the left-right direction, so that when the two corrugated plates 4 are erected on the supporting beam 5, a gap formed by splicing the two corrugated plates 4 is positioned in the middle of the supporting beam 5.
When the transverse clamping mechanism is used, the corrugated plate 4 is placed on the two supporting blocks 9, two ends of the corrugated plate 4 are respectively erected on the two supporting blocks 9, then the double-head clamping cylinder 8 is started, the two supporting blocks 9 are driven to be close to each other, straight rod sections 111 in clamping arms on the left side and the right side are respectively pressed and arranged on straight edges on the left side and the right side of the corrugated plate 4, the corrugated plate 4 is clamped, and the corrugated plate 4 is straightened in the front-rear direction.
The movable driving mechanism comprises a winding motor and a winding roller connected with the winding motor in a transmission manner, wherein the winding motor and the winding roller are all arranged on the right side of the underframe 1, a pull rope is wound on the winding roller, the pull rope is connected with a longitudinal rod 701 in a leftmost transverse clamping mechanism, and the winding motor is controlled to rotate to drive the pull rope to be wound on the winding roller, so that the leftmost transverse clamping mechanism and a corrugated plate 4 clamped by the leftmost transverse clamping mechanism are pulled to move rightwards, and each transverse clamping mechanism and a supporting beam 5 are pushed to draw close to each other rightwards, so that the splicing of a plurality of corrugated plates 4 is realized. The movement driving mechanism may be independently disposed at the outside of the chassis 1, the structure of which is not shown in the drawing.
As shown in fig. 3 and 4, the centering and pressing mechanism is provided with a plurality of groups, and each supporting beam 5 is provided with a group of centering and pressing mechanism, and the centering and pressing mechanism comprises a double-head centering cylinder 12 and a pressing assembly.
The double-headed centering cylinder 12 is mounted at the bottom of the support beam 5 and centered with the support beam 5 in the front-rear direction, and the double-headed centering cylinder 12 has two output ends capable of being brought closer to each other in the front-rear direction or brought away from each other in synchronization. Two first connecting plates 13 are respectively connected to two output ends of the double-head centering cylinder 12, the first connecting plates 13 are in a U shape with an upward opening, and the first connecting plates 13 are buckled outside the supporting beam 5 from top to bottom through U-shaped grooves.
The compression assembly is provided with two groups, the two groups of compression assemblies are symmetrically arranged on the supporting beam 5 front and back, and the compression assembly comprises a pushing piece I, a pushing piece II, an elastic piece I, a compression rod 19 and a pushing block 16.
As shown in fig. 5 and 6, the first pushing member and the second pushing member are arranged at intervals in front-back direction, and the first pushing member is located at one side close to the center of the support beam 5.
The pushing piece I comprises two pushing blocks I18 which are bilaterally symmetrical and are arranged at intervals, and the two pushing blocks I18 are both arranged on the supporting beam 5 in a front-back sliding manner and are respectively positioned on the left side and the right side of the supporting beam 5. The pushing block one 18 includes a top plate one 181, a bottom plate one 182 and a vertical connecting plate one 183, the top plate one 181 is located above the bottom plate one 182 and parallel to the bottom plate one 182, and the vertical connecting plate one 183 is connected between the top plate one 181 and one end of the bottom plate one 182 away from the support beam 5.
The pushing block I18 is slidably mounted on the supporting beam 5 through the front and back guide of the bottom plate I182 in a specific connection mode that one end of the bottom plate I182, which is opposite to the vertical connecting plate I183, is connected with a T-shaped sliding block I, strip-shaped sliding grooves with the cross sections in a T shape, which extend front and back, are formed in the left side wall and the right side wall of the supporting beam 5, and the T-shaped sliding block I is inserted into the strip-shaped sliding grooves and can slide back and forth along the strip-shaped sliding grooves. When the first bottom plate 182 is slidably mounted on the support beam 5, the first top plate 181 is located above the support beam 5 and spaced from the top surface of the support beam 5.
The pushing piece II comprises two pushing blocks II 15 which are bilaterally symmetrical and are arranged at intervals, and the two pushing blocks II 15 are both arranged on the supporting beam 5 in a front-back sliding manner and are respectively positioned on the left side and the right side of the supporting beam 5. The pushing block II 15 comprises a top plate II 151, a bottom plate II 152, a vertical connecting plate II 153 and a baffle 154, wherein the top plate II 151 is positioned above the bottom plate II 152 and parallel to the bottom plate II 152, the vertical connecting plate II 153 is connected between the top plate II 151 and one end, far away from the supporting beam 5, of the bottom plate II 152, and the baffle 154 is connected between the top plate II 151 and one end, back to the pushing piece I, of the bottom plate II 152.
The pushing block II 15 is slidably mounted on the supporting beam 5 through the front and back guide of the bottom plate II 152 in a specific connection mode that a T-shaped sliding block II is arranged at one end of the bottom plate II 152, which is opposite to the vertical connecting plate II 153, and the T-shaped sliding block II is inserted into a strip-shaped sliding groove at the corresponding side. The second top plate 151 is located above the supporting beam 5 and is spaced from the top surface of the supporting beam 5, and the second bottom plates 152 of the second pushing member are both connected to the first connecting plate 13.
As shown in fig. 3 and 4, two bottom plates 182 in the pushing member one are connected to the second connecting plate 22, the second connecting plate 22 has the same structure as the first connecting plate 13, and is fastened on the supporting beam 5 from bottom to top, and the driving end of the double-head centering cylinder 12 passes through the second connecting plate 22 to be connected with the first connecting plate 13.
The space between each first top plate 181 and the top surface of the supporting beam 5 and the space between each second top plate 151 and the top surface of the supporting beam 5 are mutually communicated to form a containing groove for containing the arc striking plate 20, the arc striking plate 20 can be inserted into the containing groove from one side of the first pushing member, which is opposite to the second pushing member, and the width dimension of the arc striking plate 20 in the front-rear direction is smaller than the width dimension of the containing groove in the front-rear direction.
The first elastic pieces are provided with a plurality of elastic telescopic rods 17 which extend forwards and backwards, and two elastic telescopic rods 17 which are arranged at intervals up and down are connected between each pushing block I18 and the pushing block II 15 on the corresponding side. The elastic telescopic rod 17 can be contracted when receiving a large acting force, so that the two corrugated plates 4 erected on the supporting beam 5 can be contracted only when being clamped by the two pushing pieces I on the supporting beam 5, and the extrusion force received by the pushing pieces I is enough to enable the elastic telescopic rod 17 to be contracted.
The two pressing rods 19 are arranged, the two pressing rods 19 are respectively arranged at the top of the first pushing block 18, the middle part of each pressing rod 19 is rotatably arranged on the first top plate 181 in the first pushing block 18 around a rotation axis extending leftwards and rightwards, and a second torsion spring is connected between each pressing rod 19 and the first top plate 181 and keeps the pressing rods 19 in a horizontal state.
The pushing block 16 is provided with two pushing blocks, the two pushing blocks 16 are respectively arranged on a top plate two 151 in the pushing block two 15, one side of the pushing block 16 facing the pushing piece one is provided with a pushing inclined surface 161, and the pushing inclined surface 161 inclines downwards from top to bottom towards the pushing piece one. When the front and rear ends of the two corrugated plates 4 on the supporting beam 5 are clamped by the pushing pieces I on the front and rear sides of the supporting beam 5 to be centered, the pushing pieces II start to be close to the pushing pieces I, the pushing block 16 pushes the pressing rod 19 through the pushing inclined surface 161, one end of the pressing rod 19 facing the pushing pieces II is lifted upwards, and therefore one end of the pressing rod 19, which is opposite to the pushing pieces II, swings downwards to press the corrugated plates 4 on the supporting beam 5.
As shown in fig. 1 and 2, the movable frame 3 is mounted on the chassis 1, and the movable frame 3 includes a support rail 301 extending back and forth and a support 302 respectively connected to bottoms of front and rear ends of the support rail 301, where the two supports 302 are respectively screwed on the two driving screws 2, and when the driving screws 2 rotate, the two supports 302 can be driven to move back and forth, so as to drive the support rail 301 to move back and forth.
The welder is mounted on the support rail 301 and is capable of moving back and forth along the support rail 301, and the welder employs a submerged arc welder, which is a prior art device and is not described in detail herein.
When the corrugated plate 4 clamping device is used, a plurality of corrugated plates 4 are placed on a plurality of groups of transverse clamping mechanisms by adopting a suspension mechanism, the left end and the right end of each corrugated plate 4 are respectively erected on two supporting blocks 9 in the transverse clamping mechanisms, then a double-head clamping cylinder 8 is started to drive the two supporting blocks 9 to be close to each other, clamping arms on two sides are close to each other, finally straight rod sections 111 in the clamping arms on two sides are pressed on straight edges on the left side and the right side of each corrugated plate 4, the corrugated plates 4 are clamped, and the corrugated plates 4 are aligned in the front-back direction.
After the clamping is completed, the moving driving mechanism drives each group of transverse clamping mechanisms to move towards the right end of the underframe 1, so that the groups of transverse clamping mechanisms are close to each other, and the transverse clamping mechanisms bring a plurality of corrugated plates 4 to be close to each other. In the moving process, the supporting beam 5 is firstly contacted with the left lateral clamping mechanism, then is driven to be contacted with the right lateral clamping mechanism, and finally is clamped by the lateral clamping mechanisms at the two sides. In the process that the transverse clamping mechanism and the supporting beam 5 are mutually close, the driving rod 14 on the supporting beam 5 is inserted into the corresponding slot, the clamping block 11 is driven to rotate, the straight rod section 111 is enabled to rotate to be in a horizontal state, the straight rod section 111 is not blocked outside the corrugated plate 4, the transverse clamping mechanism and the supporting beam 5 are mutually close, the sliding block 10 is pushed by the supporting beam 5 to move towards the inner side of the guide hole, in the process, the end part of the corrugated plate 4 is gradually moved to the top surface of the supporting beam 5, finally, two corrugated plates 4 are respectively arranged on each supporting beam 5, the end parts of the two corrugated plates 4 are mutually attached, and the splicing of the corrugated plates 4 is realized.
After the splicing is completed, the two groups of double-head centering cylinders 12 are started simultaneously, the two groups of pressing assemblies in the two groups of centering pressing mechanisms are synchronously close to each other, the corrugated plate 4 is clamped by the first pushing piece in the two groups of pressing assemblies to realize centering, then the second pushing piece continuously moves towards the first pushing piece, one end, close to the second pushing piece, of the pressing rod 19 is lifted upwards by the pushing block 16 through the pushing inclined surface 161, the other end of the pressing rod 19 is driven to move downwards, the pressing rod 19 presses the corrugated plate 4 on the supporting beam 5 from top to bottom, and clamping and fixing of the corrugated plate 4 are realized. The pushing piece II moves towards the pushing piece I and pushes the arc striking plate 20 to the two centered corrugated plates 4, so that the arc striking plate 20 is pressed on the front side wall and the rear side wall of the butt joint position of the two spliced corrugated plates 4 along the front-rear direction.
After the fixing is completed, the welding can be started, the movable frame 3 walks left and right on the underframe 1, sequentially moves to the supporting beams 5, and the welding machine is used for welding the splicing positions of the corrugated plates 4, so that a plurality of corrugated plates 4 are connected into a whole through welding. During welding, welding is started from one arc striking plate 20 on the supporting beam 5, and the welding seam formed at the splicing position of the corrugated plate 4 is moved to the other arc striking plate 20, so that better welding quality at the welding seam position is ensured.
After the welding is finished, the centering pressing mechanism is reset, the suspension mechanism is used for moving the welded corrugated plates 4 to the station of the next working procedure, the winding roller can be controlled to enable the pull rope to be released, and each transverse clamping mechanism and the supporting beam 5 are manually pushed to reset.
The invention can clamp and fix the corrugated plates 4 with various sizes, and has wider application range. The plurality of corrugated plates 4 can be clamped and fixed at the same time, and the processing efficiency can be improved.
In this embodiment, the moving driving mechanism includes a winding motor and a winding drum, and in other embodiments, when the number of corrugated boards 4 to be spliced is small, the moving driving mechanism may use a plurality of parallel linear driving cylinders, and a driving output end of each linear driving cylinder is connected to a vertical rod 701 in the leftmost lateral clamping mechanism.
Claims (6)
1. The construction welding device for the corrugated steel web combined beam bridge comprises a bottom frame and is characterized in that a plurality of supporting beams, a transverse clamping mechanism, a movable driving mechanism and a centering pressing mechanism are arranged on the bottom frame, the supporting beams extend in the front-back direction and are distributed at intervals in the left-right direction, and each supporting beam is slidably arranged on the bottom frame in the left-right direction;
The left side and the right side of each supporting beam are respectively provided with a group of transverse clamping mechanisms, the transverse clamping mechanisms are arranged on the underframe in a left-right sliding manner, each transverse clamping mechanism comprises two supporting blocks which are symmetrically arranged left and right, one end of each supporting block, which is opposite to the other supporting block, is provided with a clamping arm, each clamping arm comprises a clamping block, a gap is arranged between each clamping block and each supporting block in the left-right direction, and the two supporting blocks can synchronously approach each other so as to drive the clamping blocks to be pressed on two straight edges of the corrugated plate;
the movable driving mechanism can drive the transverse clamping mechanisms to mutually approach to drive the clamping blocks to be pressed on the supporting beams on the corresponding sides, and the clamping blocks are pushed by the supporting beams to rotate below the top surfaces of the supporting blocks and move towards the corresponding supporting blocks so that the end parts of the corrugated plates move above the supporting beams;
Each supporting beam is provided with a group of centering and pressing mechanisms, each centering and pressing mechanism comprises two pressing assemblies which are symmetrically distributed in the front-back direction, the two pressing assemblies can be synchronously close to each other so as to push two corrugated plates on the supporting beam to be centered, and the pressing assemblies can also press the corrugated plates on the supporting beam after the corrugated plates are centered;
The pressing assembly comprises a first pushing member and a second pushing member which are arranged at intervals in the front-back direction, the first pushing member and the second pushing member are arranged on a supporting beam in a sliding manner, the first pushing member is positioned on one side close to the center of the supporting beam, an elastic member capable of stretching forwards and backwards is connected between the first pushing member and the second pushing member, a pressing rod is arranged at the top of the first pushing member, the middle part of the pressing rod is rotatably arranged on the first pushing member along a rotation axis extending leftwards and rightwards, a torsion spring II is connected between the pressing rod and the first pushing member, a pushing block is arranged at the top of the second pushing member, a pushing inclined surface which inclines downwards from top to bottom towards the first pushing member is arranged on one side of the pushing block, the first pushing block comprises two pushing blocks which are symmetrically arranged at intervals in the front-back direction, a space is arranged between the first pushing block and the top surface of the supporting beam, a space is arranged between the two pushing blocks which are symmetrically arranged in the front-back direction, a space is arranged between the top surface of the supporting beam and the supporting beam, a space is arranged between the top surface of the first pushing block and the top surface of the supporting beam, a space between the top surface of the pushing block and the top surface of the pushing block is arranged at the top surface of the top surface, a space between the two pushing blocks and a baffle plate which are used for being adjacent to each other when the two pushing blocks are contained in the pressing assembly, and the two pushing blocks are adjacent to each other, and the space baffle plate is contained in the space, and the space between the space blocks is adjacent to each pushing block is formed.
2. The construction welding device of the corrugated steel web combined beam bridge according to claim 1, wherein the clamping arm further comprises a sliding block, the sliding block is elastically and slidably mounted on the supporting block in a left-right direction and is mutually prevented from rotating with the supporting block, one end of the sliding block extends to the outer side of the supporting block, the bottom end of the clamping block is rotatably mounted on one end of the sliding block extending to the outer side of the supporting block, a torsion spring I is connected between the sliding block and the clamping block, an opening slot which is opposite to the supporting block is arranged at the bottom end of the clamping block, driving rods corresponding to the slots are respectively arranged on the left side wall and the right side wall of the supporting beam, and in the process of mutual approaching of the clamping arm and the supporting beam, the driving rods are inserted into the slot and are in spiral transmission with the clamping block so as to drive the clamping block to rotate below the top surface of the supporting block, and the sliding block which is pushed to rotate below the top surface of the supporting block moves towards the supporting block, and the part of the corrugated plate extending to the outer side of the supporting block moves above the supporting beam.
3. The construction welding device for the corrugated steel web composite girder bridge according to claim 2, wherein the transverse clamping mechanism further comprises a bracket and a double-head clamping cylinder, the bracket is installed on the underframe in a left-right guiding sliding manner, the two supporting blocks are installed on the bracket in a left-right sliding manner, and two output ends of the double-head clamping cylinder are respectively connected with the two supporting blocks so as to drive the two supporting blocks to synchronously approach or separate from each other.
4. A construction welding device for a corrugated steel web composite girder bridge according to any one of claims 1 to 3, wherein guide slopes are arranged on the left and right sides of the top of the support girder, and the two guide slopes on the support girder are far away from each other from top to bottom.
5. The construction welding device for the corrugated steel web composite girder bridge according to claim 1, wherein the centering and pressing mechanism further comprises a double-head centering cylinder, the double-head centering cylinder is arranged on the supporting beam, and two output ends of the double-head centering cylinder are respectively connected with two pushing pieces II in the two groups of pressing assemblies.
6. A construction welding device for a corrugated steel web composite girder bridge according to any one of claims 1 to 3, wherein a movable frame which spans across the underframe in the front-rear direction is also mounted on the underframe, the movable frame is movably mounted on the underframe in the left-right direction, and a welding machine capable of moving back and forth is arranged on the movable frame.
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| CN202510294531.4A CN119794702B (en) | 2025-03-13 | 2025-03-13 | A construction welding device for a composite beam bridge with corrugated steel webs |
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| CN111975237A (en) * | 2020-08-18 | 2020-11-24 | 湖北绿建杭萧钢结构有限公司 | Method and device for assembling linear steel pipe bundle |
| CN113001080A (en) * | 2019-12-20 | 2021-06-22 | 上海中集宝伟工业有限公司 | Plate splicing machine |
| CN219443966U (en) * | 2022-09-06 | 2023-08-01 | 河南中桥重工科技有限公司 | Wave form steel web welding and fixing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2007090390A (en) * | 2005-09-29 | 2007-04-12 | Jfe Engineering Kk | Corrugated web girder welding method |
| CN204504572U (en) * | 2014-12-17 | 2015-07-29 | 湖南通源机电科技有限公司 | For the supporting leg case positioning clamping device of crane frame group to frock |
| CN114481863B (en) * | 2022-03-04 | 2023-09-15 | 合肥工业大学 | Wave form steel web bridge cantilever construction auxiliary assembly |
| CN219671106U (en) * | 2023-05-17 | 2023-09-12 | 上海远通路桥工程有限公司 | Corrugated steel web strutting arrangement for bridge construction |
| CN117600735A (en) * | 2023-10-25 | 2024-02-27 | 中交一公局第五工程有限公司 | An installation and positioning device for corrugated steel webs |
| CN222243282U (en) * | 2024-05-14 | 2024-12-27 | 江西省崇仁县群力电器设备有限公司 | A welding device convenient for limiting the position of corrugated sheets |
| CN118848363B (en) * | 2024-09-20 | 2024-12-06 | 河南中鼎智建科技有限公司 | Corrugated steel web assembly platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113001080A (en) * | 2019-12-20 | 2021-06-22 | 上海中集宝伟工业有限公司 | Plate splicing machine |
| CN111975237A (en) * | 2020-08-18 | 2020-11-24 | 湖北绿建杭萧钢结构有限公司 | Method and device for assembling linear steel pipe bundle |
| CN219443966U (en) * | 2022-09-06 | 2023-08-01 | 河南中桥重工科技有限公司 | Wave form steel web welding and fixing device |
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