CN117697098B - Assembled steel box girder bridge welding set - Google Patents

Assembled steel box girder bridge welding set Download PDF

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Publication number
CN117697098B
CN117697098B CN202311622113.0A CN202311622113A CN117697098B CN 117697098 B CN117697098 B CN 117697098B CN 202311622113 A CN202311622113 A CN 202311622113A CN 117697098 B CN117697098 B CN 117697098B
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China
Prior art keywords
welding
steel box
pressing
box girder
knocking
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CN202311622113.0A
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Chinese (zh)
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CN117697098A (en
Inventor
赵福元
卢长炯
王文正
高著海
刘晓婷
何琦威
林雪冰
杜宇颢
陈雷
齐楠
施文
郭亚洲
杨成辉
王鹏
王晨明
胡建松
李亚兰
李易龙
赵子豪
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Beijing Municipal Construction Co Ltd
Beijing No 6 Municipal Construction Engineering Co Ltd
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Beijing Municipal Construction Co Ltd
Beijing No 6 Municipal Construction Engineering Co Ltd
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Priority to CN202311622113.0A priority Critical patent/CN117697098B/en
Publication of CN117697098A publication Critical patent/CN117697098A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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Abstract

The invention belongs to the technical field of welding, in particular to an assembled steel box girder bridge welding device, which comprises a welding machine body and further comprises: an electric welding joint mounted on the welder body; the connecting pipe is fixedly arranged on the side wall of the welding machine body; the knocking component is arranged at one end of the connecting pipe and comprises a knocking block; two chute plates fixedly mounted on the welder body; the first pressing assembly comprises a sliding rod, a telescopic rod and a pressing rod, and is used for pressing the assembled steel box girder; through setting up the subassembly that presses No. one, when the welding machine body forward work, press the pole and press around to the assembled steel box girder bridge wait to weld, avoid knocking the piece and beat assembled steel box girder bridge, produce vibrations for the electric welding connects with wait welded position to align the problem, guaranteed welded effect.

Description

Assembled steel box girder bridge welding set
Technical Field
The invention belongs to the field of welding, and particularly relates to an assembled steel box girder bridge welding device.
Background
The assembled steel box girder bridge plays an important role in the fields of hydraulic engineering, rescue and relief work and the like due to the characteristics of quick erection, simple installation and disassembly, reusable components, simple structure and the like, and generally needs to use a welding device to connect the components of the assembled steel box girder bridge together in the construction process, namely, the assembled steel box girder bridge is assembled.
One patent application with the publication number of CN116372460A discloses welding equipment for a steel box girder wing plate, which comprises a base box, wherein the upper end surface of the base box is movably provided with a lifting seat, one side of the lifting seat is rotatably provided with a left mechanical arm and a right mechanical arm, the tail end of the left mechanical arm is provided with a welding gun, the tail end of the right mechanical arm is provided with a scraping block, and the lifting seat is provided with a pressing component; through setting up the piece of scraping, the welding slag on the welding seam is knocked out to the piece of scraping of up-and-down swing when welder carries out welding work, has realized carrying out the purpose of welding and clearance welding slag clearance simultaneously.
The welding and the working mode working efficiency of clearing welding slag are higher than that of clearing welding slag after welding is completed, but when clearing welding slag, the up-and-down swinging scraping block is needed to knock the welding seam, so that the steel box girder wing plate vibrates, the steel box girder wing plate vibrates to influence the operation of a welding gun, the formation and the flow of a molten pool in welding are disturbed and hindered, the problems of welding defects, welding strength reduction and the like are caused, the welding effect is reduced, the pressing rollers are arranged on two sides of the welding gun, the pressing rollers are driven to roll on the steel box girder wing plate when the welding gun moves, the steel box girder wing plate is pressed, the purpose of reducing the vibration amplitude of the steel box girder wing plate is achieved, the pressing rollers move relative to the steel box girder wing plate, the pressing rollers roll to cause the problem of vibration of the steel box girder wing plate, and the effect of reducing the vibration amplitude of the steel box girder wing plate is poor.
To this end, the invention provides an assembled steel box girder bridge welding device.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to an assembled steel box girder bridge welding device, which comprises a welding machine body and further comprises: the electric welding joint is arranged on the welding machine body and is used for welding the assembled steel box girder; the connecting pipe is fixedly arranged on the side wall of the welding machine body; the knocking component is arranged at one end of the connecting pipe and comprises a knocking block, and the knocking block is used for knocking out welding slag after electric welding; the two sliding groove plates are fixedly arranged on the welding machine body and symmetrically distributed on two sides of the electric welding joint; the two pressing assemblies are arranged in a first mode, each pressing assembly comprises a sliding rod, a telescopic rod and a pressing rod, the sliding rods are in sliding connection with the sliding groove plates, one end of each telescopic rod is fixedly connected with the sliding rods, the other end of each telescopic rod is fixedly connected with the corresponding pressing rod, the two pressing assemblies are symmetrically distributed on two sides of the electric welding joint, and the pressing assemblies are used for pressing the assembled steel box girders.
Preferably, the first pressing assembly further comprises two square plates rotatably mounted on the pressing rod, and a first torsion spring is connected between the square plates and the pressing rod.
Preferably, the structure of the second pressing component is consistent with that of the first pressing component, and the distance between the second pressing components is smaller than that between the first pressing components.
Preferably, the method further comprises: the first rotating rod is rotatably arranged on the sliding groove plate and pushes the sliding rod to move upwards in the sliding groove plate after rotating; the cylinder is rotationally connected with the first rotating rod and rotationally connected with the chute plate; the second rotating rod is rotatably arranged on the sliding groove plate, and pushes the sliding rod to move downwards in the sliding groove plate after rotating; install the bull stick with the chain belt on the bull stick No. two, the bull stick is rotatory back pass through the chain belt drive No. two bull sticks are rotatory.
Preferably, the knocking assembly further includes: an arch pipe installed at one end of the connection pipe; two L-shaped pipes which are slidably arranged at the lower ends of the arch pipes; the circular tube is rotatably arranged between the two L-shaped tubes, the knocking blocks are fixedly connected with the circular tube, and the circular tube is provided with a plurality of knocking blocks.
Preferably, the device further comprises a driving assembly, the driving assembly comprising: the two first bevel gears are fixedly arranged at two ends of the circular tube and are used for driving the circular tube to rotate; two rotation install the second bevel gears in arched tube lower extreme, the second bevel gears is used for the drive first bevel gear is rotatory, first bevel gear with the second bevel gear meshing is connected, L venturi tube with second bevel gear sliding connection.
Preferably, the connecting pipe, the arch pipe, the L-shaped pipe, the circular pipe and the knocking block are communicated, a cavity is formed in the connecting pipe, the arch pipe, the L-shaped pipe, the circular pipe and the knocking block, a triangular block is fixedly arranged on one side, close to the electric welding joint, after the knocking block rotates, the triangular block is provided with a first air outlet hole, and the first air outlet hole is used for blowing away welding slag after air outlet.
Preferably, a plurality of second air outlet holes are formed in the knocking block, and the second air outlet holes are used for blowing away welding slag after air outlet.
Preferably, the novel knocking block further comprises a concave plate which is slidably arranged in the knocking block, wherein a plurality of third air outlet holes are formed in the concave plate, and the concave plate is used for controlling the communication between the first air outlet holes and the second air outlet holes and the cavity.
Preferably, the knocking assembly further includes: the spring is arranged in the knocking block, one end of the spring is connected with the knocking block, and the other end of the spring is connected with the concave plate; and the lug is fixedly arranged at one end of the L-shaped pipe, the lug is positioned in the rotation range of the concave plate, and the lug is used for driving the concave plate to move.
The beneficial effects of the invention are as follows:
1. The assembled steel box girder bridge welding device of the invention, through arranging the first pressing component, in the process of welding and cleaning welding slag by the forward sliding of the welding machine body, the pressing rod is kept motionless under the influence of friction force between the pressing rod and the steel box girder bridge, thereby realizing the purpose of pressing the periphery of the assembled steel box girder bridge to be welded by the pressing rod, improving the problem that the vibration is generated by the knocking block to lead the assembled steel box girder bridge to work abnormally, ensuring the welding effect, compared with the traditional rolling pressing method by adopting the pressing roller, the pressing rod is kept motionless relative to the assembled steel box girder bridge, avoiding the problem of vibration generated by sliding between the pressing rod and the assembled steel box girder bridge, having better effect of reducing the vibration amplitude of the steel box girder bridge, if the welding machine body continuously advances continuously, when the electric welding joint approaches the front section of the pressing rod, when the telescopic rod is required to be controlled to move upwards and shrink, the first pressing component is horizontally slid forwards, in the process, the assembled steel box girder bridge cannot be pressed, the knocking block is slid upwards and downwards to clean welding slag, the welding effect is affected, if the welding machine body stops moving in the process that the first pressing component horizontally slides forwards and closes the electric welding joint, the welding time of the assembled steel box girder bridge is increased, the working efficiency is affected, the second pressing component is matched, when the electric welding joint approaches the rear end of the pressing rod, the second pressing component moves downwards, the pressing rod of the second pressing component is kept motionless due to the influence of friction force between the pressing rod and the steel box girder bridge, the first pressing component is slid upwards to replace the first pressing component, the problems are improved, because the assembled steel box girder bridge is large in size, if the clamping structure is used for clamping the assembled steel box girder bridge so as to reduce the vibration amplitude of the steel box girder bridge, a clamping structure with a larger size is needed, and compared with a mode of adopting the clamping structure, the mode has the advantages that the adopted parts are smaller in size and lower in cost.
2. According to the assembled steel box girder bridge welding device, when the welding seam temperature is higher and the knocking block is in contact with the welding seam, the temperature of the knocking block is increased through heat conduction, the knocking block and the welding seam generate knocking actions to further increase the temperature rise, the knocking block is enabled to be in a cooling state through uninterrupted knocking, the problem is solved, the service life of the knocking block is prolonged, the L-shaped pipe and the secondary bevel gear are matched for unidirectional transmission, the L-shaped pipe is enabled to rotate a designated angle when the L-shaped pipe moves upwards, the loss of the knocking block is increased, the L-shaped pipe is enabled to move upwards and downwards through the fact that the L-shaped pipe is arranged, the knocking block is driven to move upwards and downwards, the intermittent rotary round pipe is enabled to rotate in the knocking process of the assembled steel box girder bridge, the knocking block is enabled to be in a cooling state, the problem is solved, the service life of the knocking block is prolonged, the L-shaped pipe and the secondary bevel gear are matched for unidirectional transmission, the L-shaped pipe is enabled to rotate a designated angle when the L-shaped pipe moves upwards, the designated bevel gear is enabled to rotate, the L-shaped pipe is enabled to rotate a designated bevel gear to rotate, and the additional bevel gear is enabled to rotate, the additional bevel gear is not needed to be meshed with the designated bevel gear, and the additional bevel gear is required to be rotated, and the purpose of being replaced by the L-shaped pipe is enabled to rotate.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic view of the first and second pressing assemblies according to the present invention;
FIG. 3 is a schematic view of the structure of the pressing bar and square plate of the present invention;
FIG. 4 is a schematic view of the construction of the first torsion spring and square plate of the present invention;
FIG. 5 is a schematic view of the structures of the first and second rotating rods of the present invention;
FIG. 6 is a schematic view of the drive assembly of the present invention;
FIG. 7 is a schematic view of the structure of the bump of the present invention;
FIG. 8 is a schematic view of the structure of a tapping block according to the present invention;
FIG. 9 is a schematic view of the structure of the cavity of the present invention;
In the figure: 1. a welder body; 2. an electric welding joint; 3. a connecting pipe; 4. a striking assembly; 41. knocking the block; 42. an arch pipe; 43. an L-shaped pipe; 44. a round tube; 45. a spring; 46. a bump; 5. a chute plate; 6. a first pressing assembly; 61. a slide bar; 62. a telescopic rod; 63. pressing a pressing rod; 64. a square plate; 65. a first torsion spring; 7. a second pressing component; 8. a first rotating rod; 9. a cylinder; 10. a second rotating rod; 11. a chain belt; 12. a drive assembly; 121. a first bevel gear; 122. a two-size bevel gear; 13. triangular blocks; 14. a cavity; 15. a first air outlet hole; 16. a second air outlet hole; 17. a concave plate; 18. and No. three air outlet holes.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Example 1
As shown in fig. 1 to 9, the welding device for the assembled steel box girder bridge according to the embodiment of the invention comprises a welding machine body 1, and further comprises: the electric welding joint 2 is arranged on the welding machine body 1, and the electric welding joint 2 is used for welding assembled steel box girders; the connecting pipe 3 is fixedly arranged on the side wall of the welding machine body 1; the knocking assembly 4 is arranged at one end of the connecting pipe 3, the knocking assembly 4 comprises a knocking block 41, and the knocking block 41 is used for knocking out welding slag after electric welding; two sliding groove plates 5 fixedly arranged on the welding machine body 1, wherein the sliding groove plates 5 are symmetrically distributed on two sides of the electric welding joint 2; the two pressing assemblies 6, the pressing assemblies 6 comprise a sliding rod 61, a telescopic rod 62 and pressing rods 63, the sliding rod 61 is in sliding connection with the sliding groove plate 5, one end of the telescopic rod 62 is fixedly connected with the sliding rod 61, the other end of the telescopic rod 62 is fixedly connected with the pressing rods 63, the two pressing assemblies 6 are symmetrically distributed on two sides of the electric welding joint 2, and the pressing assemblies 6 are used for pressing assembled steel box girders.
Specifically, the telescopic rod 62 adopts an electric telescopic rod, the telescopic rod 62 stretches up and down on a vertical plane relative to the sliding rod 61, the welding machine adopts a plasma arc welding machine, a roller for horizontal sliding is arranged on the welding machine body 1, a controller is arranged on the welding machine body 1 and used for controlling the starting and closing of the electric welding joint 2 and the telescopic rod 62, in fig. 1, the right side of the pressing rod 63 is the front end, the left side of the pressing rod 63 is the rear end, the right side of the pressing rod 63 is the front, the left side of the pressing rod 63 is the rear, before working, the welding machine body 1 is placed at a position to be welded of the assembled steel box girder bridge, the electric welding joint 2 is adjusted so that the position to be welded of the electric welding joint 2 and the assembled steel box girder bridge is aligned on the vertical plane, then the electric welding joint 2 is started by the controller, the ion gas is ionized to generate high-temperature ion gas flow, the high-temperature ion gas flow is sprayed out from the electric welding joint 2, the high-temperature ion gas flow is compressed to form an elongated arc column, then the welder body 1 is slid forwards along the track to be welded, the welder body 1 horizontally slides relative to the assembled steel box girder bridge, the arc column sprayed out from the electric welding joint 2 realizes the work of welding the assembled steel box girder bridge, the knocking block 41 slides up and down to knock out welding slag on the welding seam while welding, the work of cleaning the welding slag on the welding seam is realized, although the work efficiency of the work mode of simultaneously carrying out welding and cleaning the welding slag is higher than that of carrying out the work mode of cleaning the welding slag after the welding is finished, however, when the welding slag is cleaned, the welding seam needs to be knocked by the up-and-down sliding knocking block 41, so that the assembled steel box girder bridge vibrates, the normal operation of the electric welding joint 2 is affected by the vibration of the steel box girder bridge, the welding effect is reduced, the problem that the vibration is generated by the assembled steel box girder due to the rolling of the pressing roller exists in the conventional rolling pressing method, the vibration amplitude of the steel box girder bridge is poor, the first pressing component 6 is arranged, the first pressing component 6 is adjusted before working, the horizontal sliding rod 61 is positioned at the front end of the chute plate 5, the rear end of the pressing rod 63 is close to the electric welding joint 2 at the moment, the telescopic rod 62 is controlled to extend downwards by the controller, the pressing rod 63 is driven to move downwards until the pressure between the pressing rod 63 and the assembled steel box girder bridge reaches a specified value, the welding machine body 1 is started to slide forwards for welding, the first pressing component 6 is kept motionless under the influence of the friction force between the pressing rod 63 and the steel box girder bridge, the sliding rod 61 moves horizontally backwards relative to the sliding groove plate 5, the aim of pressing the periphery of the assembled steel box girder bridge to be welded by the pressing rod 63 is fulfilled, the electric welding joint 2 slides forwards relative to the pressing rod 63, when the electric welding joint 2 approaches the rear end of the pressing rod 63, the telescopic rod 62 is controlled to shrink upwards, the pressing rod 63 slides horizontally forwards until the front end of the pressing rod 63 approaches the electric welding joint 2, the telescopic rod 62 is controlled to extend downwards until the pressure between the pressing rod 63 and the assembled steel box girder bridge reaches a specified value, the steps are repeated until the electric welding joint 2 finishes welding the steel box girder bridge, the periphery of the assembled steel box girder bridge to be welded is pressed by the pressing rod 63, the problems are solved, the welding effect is guaranteed, and if the assembled steel box girder bridge is clamped by adopting a clamping structure to reduce the vibration amplitude of the steel box girder bridge, a clamping structure with a larger size is required, and compared with a mode adopting the clamping structure, the adopted part in the mode is smaller in size and lower in cost.
As shown in fig. 2-3, the first pressing assembly 6 further includes two square plates 64 rotatably mounted on the pressing rod 63, and a first torsion spring 65 is connected between the square plates 64 and the pressing rod 63.
Specifically, because the pressing rod 63 can only press the two sides of the electric welding joint 2, the other two sides of the electric welding joint 2 still can transmit vibration, when the pressing component 6 is not contacted with the assembled steel box girder, the initial state of the pressing component 6 is as shown in fig. 3, when the pressing component 6 is regulated, the expansion rod 62 stretches downwards to drive the pressing rod 63 and the square plate 64 to move downwards, in the process, the square plate 64 contacts the assembled steel box girder firstly compared with the pressing rod 63 and generates downward force on the assembled steel box girder, the square plate 64 is kept motionless by the reaction force of the assembled steel box girder, the torsional spring 65 rotates upwards relative to the pressing rod 63, when the pressure between the pressing rod 63 and the assembled steel box girder reaches a specified value, the expansion of the expansion rod 62 is stopped, at the moment, the junction of the square plates 64 of the two pressing components 6, the contact surfaces of the two pressing components 6 and the assembled steel box girder bridge form a return shape, then the welding machine body 1 is welded and cleaned, the welding effect of the welding machine body is better by setting up the square plate 64, the welding effect of the welding machine is better when the two pressing components 6 are welded with the assembled steel box girder 6, the junction of the two welding components is further guaranteed, and the assembly effect of the welding machine is better when the two welding components 6 is further guaranteed, and the assembly effect of the welding component 1 is better is realized, and the assembly effect of the welding the assembly bridge is better is realized, and the assembly effect is better, and the assembly effect is realized by the welding the assembly bridge is realized by the welding and the assembly.
As shown in fig. 1-2, the device further comprises two second pressing assemblies 7, the structures of the second pressing assemblies 7 are consistent with those of the first pressing assemblies 6, and the distance between the two second pressing assemblies 7 is smaller than that between the two first pressing assemblies 6.
Specifically, if the welding machine body 1 continuously advances, when the electric welding joint 2 approaches the front section of the pressing rod 63, the first pressing component 6 needs to be controlled to move upwards and contract, then the first pressing component 6 slides forwards horizontally, in this process, the assembled steel box girder bridge cannot be pressed, the knocking block 41 slides up and down to clean welding slag on the welding seam, the welding effect will be affected, if the welding machine body 1 stops moving in the process of sliding the first pressing component 6 forwards horizontally and closes the electric welding joint 2, the welding time of the assembled steel box girder bridge will be increased, the working efficiency is affected, by arranging the second pressing component 7, before working, the sliding rod 61 of the second pressing component 7 is adjusted to be positioned above the chute plate 5 and near the front end of the chute, and at this time, the telescopic rod 62 of the second pressing component 7 is in a contracted state, as shown in fig. 1, the slide bar 61 of the first pressing component 6 is adjusted to be positioned below the chute plate 5 and close to the front end of the chute plate 5, the telescopic rod 62 is controlled to extend downwards, the pressing rod 63 is driven to contact with the assembled steel box girder bridge, then the welder body 1 is started to slide forwards for welding, when the electric welding joint 2 is close to the rear end of the pressing rod 63, the second pressing component 7 is slid along the chute plate 5, the second pressing component 7 moves downwards, the telescopic rod 62 of the second pressing component 7 is started to extend downwards until the pressure between the second pressing component 7 and the assembled steel box girder bridge reaches a specified value, the telescopic rod 62 of the first pressing component 6 is started to move upwards, the square plate 64 moves upwards along the telescopic rod 62 in the process of moving upwards, and the square plate 64 rotates around the joint with the pressing rod 63 under the action of the torsion spring 65, when the telescopic rod 62 stops shrinking, the distance between the square plates 64 of the first pressing assemblies 6 can be used for the welding head 2 to pass through, and then the first pressing assemblies 6 slide upwards and forwards along the chute plates 5 until the first pressing assemblies 6 are positioned at the positions of the second pressing assemblies 7 before working, and the steps are repeated until the electric welding joint 2 finishes the welding work on the steel box girder bridge, so that the problems are solved.
As shown in fig. 2 and 5, further comprising: a first rotating rod 8 arranged on the sliding groove plate 5 is rotated, and the first rotating rod 8 pushes the sliding rod 61 to move upwards in the sliding groove plate 5 after rotating; a cylinder 9 for driving the first rotating rod 8 to rotate, wherein the cylinder 9 is rotationally connected with the first rotating rod 8, and the cylinder 9 is rotationally connected with the chute plate 5; a second rotating rod 10 arranged on the sliding groove plate 5 is rotated, and the second rotating rod 10 pushes the sliding rod 61 to move downwards in the sliding groove plate 5 after rotating; and the chain belt 11 is arranged on the first rotating rod 8 and the second rotating rod 10, and the second rotating rod 10 is driven to rotate through the chain belt 11 after the first rotating rod 8 rotates.
Specifically, the cylinder 9 is controlled to rotate by the controller, the first rotating rod 8 can only rotate in the cylinder 9 by a designated angle, a second torsion spring is arranged at the joint of the first rotating rod 8 and the cylinder 9, the sliding groove on the sliding groove plate 5 is in a right trapezoid shape, the inclined edge of the right trapezoid is upward, the rear end of the inclined edge of the sliding groove is higher than the front end, in the initial state, the sliding rod 61 of the second pressing component 7 is blocked on the inclined edge of the sliding groove by the second rotating rod 10, in the operation of starting the welding machine body 1 to slide forwards for welding, the first pressing component 6 slides backwards relative to the sliding groove plate 5, in the sliding process, the sliding rod 61 is contacted with the first rotating rod 8 and pushes the first rotating rod 8 to rotate, at this time, the second torsion spring on the first rotating rod 8 rotates to drive the second rotating rod 10 through the chain belt 11, the second rotating rod 10 pushes the second pressing component 7 to move to the lower part of the sliding groove along the sliding groove, the telescopic rod 62 of the second pressing component 7 extends downwards, when the first rotating rod 8 rotates to the maximum angle, the sliding rod 61 of the first pressing component 6 is positioned at the rearmost end of the sliding groove, the cylinder 9 is controlled by the controller to rotate, the cylinder 9 rotates to drive the first rotating rod 8 to rotate, the first pressing component 6 is driven to slide onto the inclined edge of the sliding groove, the first pressing component 6 slides downwards and forwards along the inclined edge of the sliding groove, meanwhile, the telescopic rod 62 of the first pressing component 6 is controlled to shrink upwards, after the first pressing component 6 slides out of the rotating range of the first rotating rod 8, the first rotating rod 8 and the second rotating rod 10 are restored to the initial state under the action of the second torsion spring, namely, the replacement action of the first pressing component 6 and the second pressing component 7 is completed, the first rotating rod 8 and the second rotating rod 10 are pushed to rotate by the resistance between the first pressing component 6 and the assembled steel box girder bridge, the second pressing component 7 slides downwards, and no additional driving force is not required to drive the second rotating rod 10 to rotate continuously.
As shown in fig. 6-9, the tapping assembly 4 further comprises: an arch pipe 42 installed at one end of the connection pipe 3; two L-shaped pipes 43 slidably mounted on the lower ends of the arched pipes 42; the circular tube 44 is rotatably installed between the two L-shaped tubes 43, the knocking block 41 is fixedly connected with the circular tube 44, and the circular tube 44 is provided with a plurality of knocking blocks 41.
Specifically, the knocking position of the knocking block 41 on the assembled steel box girder is a knocking station, the L-shaped pipe 43 slides up and down relative to the arched pipe 42, the controller controls the sliding of the L-shaped pipe 43, when the electric welding machine body 1 is started to slide forward for welding, the controller controls the L-shaped pipe 43 to slide up and down continuously relative to the arched pipe 42, the circular pipe 44 and the knocking block 41 are driven to slide up and down, the knocking block 41 slides up and down to knock a welding line, the work of cleaning welding slag is realized, the temperature of the welding line just after welding is higher, when the knocking block 41 contacts with the welding line, the temperature of the knocking block 41 is increased through heat conduction, and the knocking action of the knocking block 41 and the welding line can further increase the temperature, the uninterrupted knocking can enable the knocking block 41 to be too high in temperature and even generate overheating or overburning, in terms of mechanical properties, the total trend is that the plasticity of the knocking block 41 is improved, the deformation resistance is reduced, the knocking block 41 knocks an assembled steel box girder bridge, loss of the knocking block 41 is increased, after one knocking block 41 works for a designated time, the circular tube 44 is rotated, the non-working knocking block 41 rotates to a knocking station, the knocking block 41 working for the designated time leaves the knocking station, the knocking block 41 works intermittently, the non-working knocking block 41 is in a cooling state, the problem is solved, and the service life of the knocking block 41 is prolonged.
As shown in fig. 6, further includes a driving assembly 12, and the driving assembly 12 includes: two first bevel gears 121 fixedly installed at both ends of the circular tube 44, wherein the first bevel gears 121 are used for driving the circular tube 44 to rotate; two bevel gears 122 are rotatably mounted at the lower end of the arched tube 42, the bevel gears 122 are used for driving the first bevel gear 121 to rotate, the first bevel gear 121 is in meshed connection with the bevel gears 122, and the L-shaped tube 43 is in sliding connection with the bevel gears 122.
Specifically, the secondary bevel gear 122 adopts an incomplete gear, that is, the secondary bevel gear 122 and the primary bevel gear 121 are intermittently driven, a plurality of vertical grooves and inclined grooves are uniformly distributed on the inner wall of the secondary bevel gear 122, two ends of each inclined groove are respectively connected with the upper ends and the lower ends of two adjacent vertical grooves, when the welding slag is cleaned, the L-shaped pipe 43 moves upwards in the process, the L-shaped pipe 43 slides in the inclined grooves, the secondary bevel gear 122 rotates, the L-shaped pipe 43 moves downwards in the process, the L-shaped pipe 43 slides in the vertical grooves, at the moment, the secondary bevel gear 122 keeps still, the L-shaped pipe 43 moves up and down to drive the knocking block 41 to move up and down, namely, one-time knocking action is completed, after the designated knocking action is completed, the secondary bevel gear 122 and the primary bevel gear 121 realize one-time driving, the primary bevel gear 121 rotates by a designated angle, the round pipe 44 is driven to rotate, the non-working block 41 rotates to the knocking station, the designated time block 41 leaves the knocking station, the action of the knocking block 41 is realized, the action of the replacement by utilizing the upward moving force of the L-shaped rod 44, and no additional power is required for setting.
As shown in fig. 7-9, the connecting pipe 3, the arch pipe 42, the L-shaped pipe 43, the round pipe 44 and the knocking block 41 are communicated, a cavity 14 is formed inside the connecting pipe 3, the arch pipe 42, the L-shaped pipe 43, the round pipe 44 and the knocking block 41, a triangular block 13 is fixedly installed on one side, close to the electric welding joint 2, after the knocking block 41 rotates, the triangular block 13 is provided with a first air outlet hole 15, and the first air outlet hole 15 is used for blowing away welding slag after air outlet.
Specifically, after the assembled steel box girder bridge finishes the welding work, the welding seam needs to be subjected to damage assessment inspection, before the damage assessment inspection is performed, welding slag at the welding seam needs to be cleaned out of the welding seam, if the welding slag is blown out forwards, the knocked-down welding slag is likely to be blown to the vicinity of the front electric welding joint 2, the problem of influencing the welding effect exists, by arranging the triangular block 13, in the knocking process of the knocking block 41 on the welding seam, the knocking block 41 moves forwards along with the welding machine body 1, the generated welding slag slides along two sides of the triangular block 13 and is pushed to two sides of the welding seam by the moving triangular block 13, continuous airflow is introduced into the connecting pipe 3, the airflow flows out to the position of the first air outlet hole 15 along the cavity 14, and the airflow flowing out of the position of the first air outlet hole 15 can blow the welding slag to two sides of the welding seam, so that the problem is solved.
As shown in fig. 6, a plurality of second air outlet holes 16 are formed on two sides of the knocking block 41, and the second air outlet holes 16 are used for blowing away welding slag after air outlet.
Specifically, when the knocking block 41 knocks the assembled steel box girder bridge, the vibration generated by the assembled steel box girder bridge causes the welding slag to displace, the welding slag is likely to reenter the welding seam, and during operation, continuous air flow is introduced into the connecting pipe 3, and the air flow flowing out of the second air outlet 16 can blow the welding slag on two sides of the welding seam to a position farther from the welding seam, thereby improving the problems.
As shown in fig. 7-9, the device further comprises a concave plate 17 slidably mounted in the knocking block 41, a plurality of third air outlet holes 18 are formed in the concave plate 17, and the concave plate 17 is used for controlling communication between the first air outlet holes 15, the second air outlet holes 16 and the cavity 14.
Specifically, if the first air outlet hole 15 and the second air outlet hole 16 of all the knocking blocks 41 can flow out during welding, in order to ensure that the flow speed of the flowing air is the designated flow speed, the flow speed of the air flow in the cavity 14 needs to be improved, so that the working power of the welding machine body 1 is increased, in the initial state, the third air outlet hole 18 and the first air outlet hole 15 and the second air outlet hole 16 of the concave plate 17 are staggered, the first air outlet hole 15 and the second air outlet hole 16 of the knocking block 41 are not communicated with the cavity 14, when the knocking block 41 rotates to the knocking station, the concave plate 17 is slid until the third air outlet hole 18 and the first air outlet hole 15 and the second air outlet hole 16 of the concave plate 17 are aligned, and at the moment, the first air outlet hole 15 and the second air outlet hole 16 on the knocking block 41 at the knocking station can generate the air flow, so that the flow speed of the air flow in the cavity 14 is reduced, the above problems are solved, and the use of electric quantity is saved.
Example two
As shown in fig. 7-9, comparative example one, wherein another embodiment of the present invention is: the rapping assembly 4 further comprises: a spring 45 installed in the striking block 41, one end of the spring 45 being connected to the striking block 41, the other end of the spring 45 being connected to the recess plate 17; a protrusion 46 fixedly installed at one end of the L-shaped pipe 43, the protrusion 46 being located within a rotation range of the recess plate 17, the protrusion 46 being used to drive the recess plate 17 to move.
Specifically, the position of the bump 46 farthest from the center of the bump 46 is closest to the knocking station, in the initial state, the third air outlet 18 and the first air outlet 15 of the concave 17 are staggered with the second air outlet 16, in the process that the concave 17 rotates to the knocking station along with the knocking block 41, the concave 17 contacts with the protruding portion of the bump 46 and slides along the protruding portion of the bump 46, so that the portion of the concave 17 slides to the inside of the knocking block 41, at this time, the spring 45 is compressed by extrusion of the concave 17 until the third air outlet 18 and the first air outlet 15 are aligned with the second air outlet 16, at this time, the first air outlet 15 and the second air outlet 16 of the knocking block 41 located at the knocking station can blow air flow, in the process that the concave 17 rotates away from the knocking station along with the knocking block 41, the concave 17 slides along the protruding portion of the bump 46, and slides along the protruding portion of the bump 46 under the elastic force of the spring 45 until the concave 17 returns to the initial state, and the concave 17 is extruded by the bump 46 to the concave 17, and no additional power is required to drive the concave 17 to slide.
The working steps are as follows:
Step one, before working, the electric welding joint 2 is adjusted, so that the position to be welded of the electric welding joint 2 and the assembled steel box girder bridge is aligned on a vertical plane, a first pressing component 6 is adjusted, a horizontal sliding rod 61 is positioned at the front end of a chute plate 5, at the moment, the rear end of a pressing rod 63 is close to the electric welding joint 2, a controller controls a telescopic rod 62 to extend downwards, the pressing rod 63 is driven to move downwards until the pressure between the pressing rod 63 and the assembled steel box girder bridge reaches a specified value, a sliding rod 61 of a second pressing component 7 is adjusted to be positioned above the chute plate 5 and close to the front end of the chute, and at the moment, the telescopic rod 62 of the second pressing component 7 is in a contracted state;
Step two, starting the welding machine through a controller, ionizing ion gas to generate high-temperature ion gas flow, spraying the high-temperature ion gas flow from the electric welding joint 2, compressing the high-temperature ion gas flow to form an elongated arc column, then sliding the welding machine body 1 forwards along a track to be welded, realizing the welding work of an assembled steel box girder bridge through the arc column sprayed from the electric welding joint 2, simultaneously controlling the L-shaped pipe 43 to continuously slide up and down relative to the arched pipe 42 through the controller, driving the circular pipe 44 and the knocking block 41 to slide up and down, knocking the welding seam by sliding the knocking block 41 up and down, moving the knocking block 41 forwards along with the welding machine body 1 in the knocking process of the knocking block 41 on the welding seam, sliding generated welding slag along two sides of the triangular block 13, pushing the moved triangular block 13 to two sides of the welding seam, simultaneously, continuous air flow is introduced into the connecting pipe 3, the air flow flows along the cavity 14 to the first air outlet hole 15 and the second air outlet hole 16, the air flow flowing out of the first air outlet hole 15 can blow welding slag to two sides of a welding line, the air flow flowing out of the second air outlet hole 16 can blow the welding slag at two sides of the welding line to a position farther away from the welding line, the work of cleaning the welding slag is realized, the first pressing component 6 is kept still under the influence of friction force between the pressing rod 63 and the steel box girder bridge in the process of forward sliding of the welding machine body 1, the sliding rod 61 moves horizontally backwards relative to the sliding groove plate 5, the action of pressing the periphery to be welded of the assembled steel box girder bridge is realized, and the problem that the knocking block 41 knocks the assembled steel box girder bridge, so that the assembled steel box girder bridge vibrates and the welding effect is influenced is solved;
Step three, in the process that the sliding rod 61 moves horizontally and backwards relative to the chute plate 5, the sliding rod 61 contacts with the first rotating rod 8 and pushes the first rotating rod 8 to rotate, at the moment, the second torsion spring on the first rotating rod 8 rotates, the first rotating rod 8 drives the second rotating rod 10 to rotate through the chain belt 11, the second rotating rod 10 rotates to push the second pressing component 7 to move to the lower part of the chute along the chute, the telescopic rod 62 of the second pressing component 7 stretches downwards, when the first rotating rod 8 rotates to the maximum angle, the sliding rod 61 of the first pressing component 6 is positioned at the rearmost end of the chute, the cylinder 9 is controlled to rotate by the controller, the first rotating rod 8 is driven to rotate, the first pressing component 6 is driven to slide to the inclined edge of the chute, the first pressing component 6 slides downwards and forwards along the inclined edge of the chute, meanwhile, the telescopic rod 62 of the first pressing component 6 is controlled to shrink upwards, and after the first pressing component 6 slides out of the rotating range of the first rotating rod 8 and the second rotating rod 10 recover to an initial state under the action of the second torsion spring, namely the first pressing component 6 and the second pressing component 7 are replaced;
step four, in the process of moving up the L-shaped tube 43, the L-shaped tube 43 slides in the chute, so that the two bevel gears 122 rotate, in the process of moving down the L-shaped tube 43, the two bevel gears 122 keep still, the L-shaped tube 43 moves up and down to drive the knocking block 41 to move up and down, namely, one knocking action is completed, after the appointed knocking action is completed, the two bevel gears 122 and the first bevel gear 121 realize one-time transmission, so that the first bevel gear 121 rotates by an appointed angle, the round tube 44 is driven to rotate, the knocking block 41 is driven to rotate, the non-working knocking block 41 rotates to the knocking station, the knocking block 41 working for an appointed time leaves the knocking station, and the action of replacing the knocking block 41 is realized;
And fifthly, repeating the steps three to four until the electric welding joint 2 finishes welding the steel box girder bridge.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides an assembled steel box girder bridge welding set, includes welding machine body (1), still includes:
the electric welding joint (2) is arranged on the welding machine body (1), and the electric welding joint (2) is used for welding an assembled steel box girder;
A connecting pipe (3) fixedly arranged on the side wall of the welding machine body (1);
the knocking assembly (4) is arranged at one end of the connecting pipe (3) and comprises a knocking block (41), and the knocking block (41) is used for knocking out welding slag after electric welding;
Two chute plates (5) fixedly arranged on the welding machine body (1), wherein the chute plates (5) are symmetrically distributed on two sides of the electric welding joint (2);
The two first pressing assemblies (6), the first pressing assemblies (6) comprise sliding rods (61), telescopic rods (62) and pressing rods (63), the sliding rods (61) are in sliding connection with the sliding groove plates (5), one ends of the telescopic rods (62) are fixedly connected with the sliding rods (61), the other ends of the telescopic rods (62) are fixedly connected with the pressing rods (63), the two first pressing assemblies (6) are symmetrically distributed on two sides of the electric welding joint (2), the first pressing assemblies (6) are used for pressing assembled steel box girders, the first pressing assemblies (6) further comprise two square plates (64) which are rotatably installed on the pressing rods (63), and first torsion springs (65) are connected between the square plates (64) and the pressing rods (63).
The two pressing assemblies (7) are arranged, the structures of the two pressing assemblies (7) are consistent with the structures of the first pressing assemblies (6), and the distance between the two pressing assemblies (7) is smaller than the distance between the two pressing assemblies (6).
2. The fabricated steel box girder bridge welding device according to claim 1, wherein: further comprises:
A first rotating rod (8) arranged on the chute plate (5) is rotated, and the first rotating rod (8) pushes the sliding rod (61) to move upwards in the chute plate (5) after rotating;
a cylinder (9) for driving the first rotating rod (8) to rotate, wherein the cylinder (9) is rotationally connected with the first rotating rod (8), and the cylinder (9) is rotationally connected with the chute plate (5);
a second rotating rod (10) is rotatably arranged on the sliding groove plate (5), and the second rotating rod (10) pushes the sliding rod (61) to move downwards in the sliding groove plate (5) after rotating;
And the chain belt (11) is arranged on the first rotating rod (8) and the second rotating rod (10), and the second rotating rod (10) is driven to rotate through the chain belt (11) after the first rotating rod (8) rotates.
3. The fabricated steel box girder bridge welding device according to claim 2, wherein: the rapping assembly (4) further comprises:
an arch pipe (42) installed at one end of the connection pipe (3);
two L-shaped pipes (43) which are slidably installed at the lower ends of the arch pipes (42);
the circular tube (44) is rotatably arranged between the two L-shaped tubes (43), the knocking blocks (41) are fixedly connected with the circular tube (44), and the circular tube (44) is provided with a plurality of knocking blocks (41).
4. A fabricated steel box girder bridge welding apparatus as claimed in claim 3, wherein: further comprising a drive assembly (12), the drive assembly (12) comprising:
Two first bevel gears (121) fixedly arranged at two ends of the circular tube (44), wherein the first bevel gears (121) are used for driving the circular tube (44) to rotate;
two rotate install two bevel gears (122) in arched tube (42) lower extreme, two bevel gears (122) are used for the drive first bevel gear (121) are rotatory, first bevel gear (121) with two bevel gears (122) meshing are connected, L venturi tube (43) with two bevel gears (122) threaded connection.
5. A fabricated steel box girder bridge welding apparatus as claimed in claim 3, wherein: the novel welding device is characterized in that the novel welding device is communicated with the connecting pipe (3), the arched pipe (42), the L-shaped pipe (43), the round pipe (44) and the knocking block (41), a cavity (14) is formed in the connecting pipe (3), the arched pipe (42), the L-shaped pipe (43), the round pipe (44) and the knocking block (41), a triangular block (13) is fixedly installed on one side of the electric welding joint (2) after the knocking block (41) rotates, a first air outlet hole (15) is formed in the triangular block (13), and welding slag is blown away after the first air outlet hole (15) is used for air outlet.
6. The fabricated steel box girder bridge welding device according to claim 5, wherein: a plurality of second air outlet holes (16) are formed in the knocking block (41), and the second air outlet holes (16) are used for blowing away welding slag after air outlet.
7. The fabricated steel box girder bridge welding device according to claim 6, wherein: still include slidable mounting strike piece (41) inside concave plate (17), a plurality of No. three air-out holes (18) have been seted up on concave plate (17), concave plate (17) are used for control the intercommunication between No. one air-out hole (15) with No. two air-out holes (16) with cavity (14).
8. The fabricated steel box girder bridge welding device of claim 7, wherein: the rapping assembly (4) further comprises:
A spring (45) installed in the knocking block (41), one end of the spring (45) is connected with the knocking block (41), and the other end of the spring (45) is connected with the concave plate (17);
And the lug (46) is fixedly arranged at one end of the L-shaped pipe (43), the lug (46) is positioned in the rotation range of the concave plate (17), and the lug (46) is used for driving the concave plate (17) to move.
CN202311622113.0A 2023-11-30 2023-11-30 Assembled steel box girder bridge welding set Active CN117697098B (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09216095A (en) * 1996-02-08 1997-08-19 Nippon Steel Weld Prod & Eng Co Ltd Automatic weld slag removing device
CN103949815A (en) * 2014-05-16 2014-07-30 苏州塔可盛电子科技有限公司 Automatic welding machine with cleaning and grinding functions
CN108453440A (en) * 2018-03-19 2018-08-28 徐永香 A kind of Mobile welding platform for removing function with electronic welding slag
WO2021103635A1 (en) * 2019-11-26 2021-06-03 中建科工集团有限公司 Welding slag clearing device, welding machine head and welding system
CN213998434U (en) * 2020-12-18 2021-08-20 江苏一电智能设备有限公司 Welding machine with welding slag removing function
CN114310012A (en) * 2021-10-18 2022-04-12 合肥赛欧机械制造有限公司 High-stability steel welding process
CN217859519U (en) * 2022-05-31 2022-11-22 郝辽波 Welder device for electromechanical installation
CN115502530A (en) * 2022-10-18 2022-12-23 立之力机械(广州)股份有限公司 Liftable plasma welding machine
CN115635211A (en) * 2022-12-23 2023-01-24 河北华丰工业集团有限公司 Double-weld-joint welding method and welding device thereof
CN116372460A (en) * 2023-04-19 2023-07-04 安徽省公路桥梁工程有限公司 Welding equipment for steel box girder wing plate

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09216095A (en) * 1996-02-08 1997-08-19 Nippon Steel Weld Prod & Eng Co Ltd Automatic weld slag removing device
CN103949815A (en) * 2014-05-16 2014-07-30 苏州塔可盛电子科技有限公司 Automatic welding machine with cleaning and grinding functions
CN108453440A (en) * 2018-03-19 2018-08-28 徐永香 A kind of Mobile welding platform for removing function with electronic welding slag
WO2021103635A1 (en) * 2019-11-26 2021-06-03 中建科工集团有限公司 Welding slag clearing device, welding machine head and welding system
CN213998434U (en) * 2020-12-18 2021-08-20 江苏一电智能设备有限公司 Welding machine with welding slag removing function
CN114310012A (en) * 2021-10-18 2022-04-12 合肥赛欧机械制造有限公司 High-stability steel welding process
CN217859519U (en) * 2022-05-31 2022-11-22 郝辽波 Welder device for electromechanical installation
CN115502530A (en) * 2022-10-18 2022-12-23 立之力机械(广州)股份有限公司 Liftable plasma welding machine
CN115635211A (en) * 2022-12-23 2023-01-24 河北华丰工业集团有限公司 Double-weld-joint welding method and welding device thereof
CN116372460A (en) * 2023-04-19 2023-07-04 安徽省公路桥梁工程有限公司 Welding equipment for steel box girder wing plate

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