CN117961392B - Steel construction bridge truss welding set - Google Patents
Steel construction bridge truss welding set Download PDFInfo
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- CN117961392B CN117961392B CN202410383312.9A CN202410383312A CN117961392B CN 117961392 B CN117961392 B CN 117961392B CN 202410383312 A CN202410383312 A CN 202410383312A CN 117961392 B CN117961392 B CN 117961392B
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- 238000003466 welding Methods 0.000 title claims abstract description 145
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 47
- 239000010959 steel Substances 0.000 title claims abstract description 47
- 238000010276 construction Methods 0.000 title claims description 4
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000000712 assembly Effects 0.000 claims abstract description 27
- 238000000429 assembly Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 46
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The invention relates to the technical field of bridge truss welding, in particular to a steel structure bridge truss welding device which comprises a base plate, a web member table, a portal frame, a welding mechanism, two positioning assemblies, two guide rails and two supporting frames, wherein the two positioning assemblies are symmetrically arranged on the front side of the top of the base plate, the two guide rails are symmetrically arranged on the top of the base plate, the two supporting frames are symmetrically arranged on the top of the base plate, racks are horizontally arranged on the tops of the two supporting frames, the portal frame is slidably arranged on the two guide rails, two mounting seats are symmetrically arranged on the inner wall of the bottom end of the portal frame, a gear positioned outside the portal frame is arranged at the end part of a rotating shaft, the gear is meshed with the racks, an output shaft of a walking motor is connected with the rotating shaft on one of the mounting seats, the welding mechanism is arranged on the portal frame, and gas extracted into the welding mechanism cools a welding gun, so that a plurality of web members are conveniently and continuously welded, and the welding efficiency is improved.
Description
Technical Field
The invention relates to the technical field of bridge truss welding, in particular to a steel structure bridge truss welding device.
Background
Truss bridge refers to a bridge with a truss as the primary load bearing member of the superstructure. The truss bridge is generally composed of a main bridge frame, an upper horizontal and lower horizontal longitudinal connection system, a bridge frame, a middle cross frame and a bridge deck system. The vast majority of truss bridges are constructed from steel. In the truss, the chord members are members forming the periphery of the truss, and comprise an upper chord member and a lower chord member, wherein the members connecting the upper chord member and the lower chord member are called web members, and are divided into inclined members and vertical members according to different web member directions.
The Chinese patent of publication No. CN115106694B discloses a steel structure bridge truss welding device, which comprises a substrate, the horizontal fixed mounting of base plate up end has the workstation body, the cylinder groove has been vertically seted up to workstation body up end, coaxial rotation installs the carousel in the cylinder groove, two cylindric regulating grooves have been vertically run through to carousel up end symmetry, every the cylindric regulating block has all been installed in the coaxial rotation in the regulating groove, every the standing groove has all been vertically seted up on the regulating block, the drive slot has been vertically seted up to coaxial in the carousel. According to the invention, through the cooperation of the first servo motor, the turntable and the welding mechanism, the automatic welding of the steel structure bridge truss can be realized only by periodically arranging the web members in the corresponding placing grooves at the corresponding positions by workers, the working efficiency is high, and when the web members are welded with the angle steel body, the welding stability between the web members and the angle steel body can be ensured through the propping of the top plate to the web members.
However, the above patent has the following disadvantages in the actual use process: this patent welder spouts to web member and two angle steel body contact departments and welds, because needs welded web member quantity is more, serialization welding operation, and welder's temperature can be higher and higher, need shut down and cool off the welding gun, and then influence welding efficiency.
Disclosure of Invention
The invention aims to provide a steel structure bridge truss welding device, which aims to solve the problems that in the background technology, continuous welding operation is provided, the temperature of a welding gun is higher and higher, the welding gun is required to be cooled by stopping, and the welding efficiency is affected.
The technical scheme of the invention is as follows:
The utility model provides a steel construction bridge truss welding set, includes base plate, web member piece platform, portal frame, welding mechanism, two locating component, two guide rails and two support frames, web member piece platform sets up the top rear side at the base plate, a plurality of web members have been piled up at the top of web member piece platform, two locating component symmetry sets up the top front side at the base plate, two the guide rail symmetry sets up the top at the base plate, two the support frame symmetry sets up the top at the base plate to two support frames are located the side of two guide rails respectively, two the equal level in top of support frame is equipped with the rack, portal frame slidable mounting is on two guide rails, the symmetry is provided with two mount pads on the bottom inner wall of portal frame, the two mounting seats are respectively provided with a rotating shaft in a rotating way, the end parts of the rotating shafts are provided with gears positioned outside the portal frame, the gears are meshed with racks, the inner wall of the bottom end of the portal frame is horizontally provided with a traveling motor, an output shaft of the traveling motor is connected with the rotating shaft on one of the mounting seats, the welding mechanism is arranged on the portal frame and is in transmission fit with the rotating shafts on the two mounting seats, the welding mechanism is used for clamping and taking a belly rod into two positioning assemblies for welding, the welding mechanism comprises a first hydraulic push rod, a T-shaped frame, a bearing frame, a clamping assembly, two air cylinders, two air conveying assemblies and two welding assemblies, the first hydraulic push rod is vertically arranged at the center of the top of the portal frame, the T-shaped frame is arranged at the output end of the first hydraulic push rod, the bearing frame is arranged at the bottom of the T-shaped frame, the clamping component is arranged at the bottom of the bearing frame, the two air cylinders are symmetrically arranged at the top of the T-shaped frame, the pushing plug is slidably arranged in the air cylinders, the inner side wall of each air cylinder is horizontally provided with a spring, the tail end of each spring is connected with the pushing plug, the two air transmission components are symmetrically arranged on the inner wall of the bottom end of the portal frame, the bottom ends of the two air transmission components are respectively in transmission fit with the rotating shafts on the two mounting seats, the top ends of the two air transmission components are respectively communicated with the interiors of the two air cylinders, the two welding components are symmetrically arranged at the top end of the T-shaped frame, the gas transmission component comprises a gas transmission cylinder, a gas transmission plug, a gas transmission rod, a gas transmission block, a fixed seat, a roller and a first cam, the gas transmission cylinder is vertically arranged on the inner wall of the bottom end of the portal frame, the gas transmission plug is slidably arranged in the gas transmission cylinder, the gas transmission rod is slidably arranged at the bottom end of the gas transmission cylinder, the top of the gas transmission rod is connected with the bottom of the gas transmission plug, the gas transmission block is arranged at the bottom of the gas transmission rod, the fixed seat is arranged at the bottom of the gas transmission block, the roller is rotatably arranged in the fixed seat, the first cam is arranged on the rotating shaft, the top end of the first cam is in contact with the bottom end of the roller, the welding assembly comprises a screw rod sliding table, a second hydraulic push rod, a welding table, a welding device, a welding gun, a heat absorbing cover, a connecting inclined frame, an air nozzle, an air injection hose, a second electromagnetic valve and an expansion part, wherein the outer wall of the top end of the air delivery cylinder is provided with an air inlet pipe communicated with the inside of the air delivery cylinder, the inside top end of the air delivery cylinder is communicated with the inside of the air delivery cylinder through an air outlet hose, the air inlet pipe and the air outlet hose are provided with a first electromagnetic valve, the welding assembly comprises the screw rod sliding table, a second hydraulic push rod, the welding table, the welding device, the welding gun, the heat absorbing cover, the connecting inclined frame, the air nozzle, the air injection hose, the second electromagnetic valve and the expansion part, the screw rod sliding table is horizontally arranged at the inside top end of the T-shaped frame, the second hydraulic push rod is vertically arranged at the moving end of the screw rod sliding table, the welding table is arranged at the output end of the second hydraulic push rod, the welding device is vertically arranged at the bottom of the welding table, the welding gun is arranged at the bottom of the welding device, the heat absorbing cover is sleeved on the outer wall of the welding device, the expansion liquid is arranged in the heat absorbing cover, the connecting inclined frame is arranged on the outer wall of the welding table, the air nozzle is arranged at the bottom end of the connecting inclined frame and faces the welding gun, the two ends of the air injection hose are respectively communicated with the air nozzle and the inside of the air storage cylinder, the second electromagnetic valve is arranged on the air injection hose, the expansion part is arranged at the top of the T-shaped frame, the bottom end of the expansion part is communicated with the inside of the heat absorbing cover, the expansion part comprises a reinforcing frame, a vertical cylinder, a jacking plug, a contact sensor and a connecting hose, the reinforcing frame is arranged at the top of the T-shaped frame, the vertical setting of a vertical section of thick bamboo is on the top outer wall of reinforcement frame, jacking stopper slidable mounting is in a vertical section of thick bamboo, the contact inductor sets up at the top of a vertical section of thick bamboo to the inside that the response end of contact inductor extends to a vertical section of thick bamboo, the both ends of coupling hose are linked together with the inside bottom of a vertical section of thick bamboo and the inside of heat absorption cover respectively.
Further, press from both sides and get the subassembly and get board and two third hydraulic push rod including rail, two press from both sides, the rail level sets up in the bottom of bearing frame, two press from both sides and get the board symmetry and set up on the rail to the top that two pressed from both sides and get the board all with rail sliding fit, two third hydraulic push rod symmetry sets up in the bottom of bearing frame, and two third hydraulic push rod's output is connected with two clamp respectively and get the board.
Further, locating component includes the locating bench, places platform, angle steel body, locating part, limiting plate and two fourth hydraulic push rod, the top at the base plate is installed to the locating bench, place the platform level and set up at the top of locating bench, the edge of placing the platform is equipped with the rectangular channel, the angle steel body level is placed at the top of placing the platform to the angle steel body is close to the rectangular channel, locating part installs on the inner wall of locating bench, and locating part's top passes rectangular channel and the laminating of the front side outer wall of angle steel body, limiting plate slidable mounting is at the top of placing the platform to the laminating of limiting plate and the rear side outer wall of angle steel body, two fourth hydraulic push rod symmetry sets up at the top of placing the platform, and two fourth hydraulic push rod's output is connected with the limiting plate.
Further, the locating part includes locating plate, roating seat, swiveling wheel, lifting seat, lift axle, second cam, lifting motor, two perpendicular rails and a plurality of locating piece, two perpendicular rail symmetry sets up on the inner wall of locating bench, locating plate slidable mounting is on two perpendicular rails, and a plurality of the equidistant top that sets up at the locating plate to rectangular channel is passed on the top of a plurality of locating pieces and the front side outer wall laminating of angle steel body, the bottom at the locating plate is installed to the swiveling seat, the swiveling wheel is rotated and is installed in the swiveling seat, the bottom at the locating bench is installed to the lifting seat, the lifting axle is rotated and is installed in the lifting seat, the second cam is installed on lifting axle to the top of second cam is contradicted with the bottom of swiveling wheel, the lifting motor level sets up on the outer wall of lifting seat, and the output shaft and the lifting axle of lifting motor are connected.
Further, grid-shaped anti-skid patterns are arranged on the outer wall of the clamping plate.
Compared with the prior art, the welding device for the steel structure bridge truss provided by the invention has the following improvements and advantages:
The method comprises the following steps: according to the invention, the two rotating shafts on the two mounting seats rotate while the portal frame moves, the two rotating shafts respectively drive the two gas transmission assemblies to work, the two gas transmission assemblies work to pump outside gas into the two gas storage cylinders in a reciprocating manner until the two gas storage cylinders are full of a certain amount of gas, then the first hydraulic push rod is matched with the clamping assembly to work to put the web member into the two positioning assemblies, then the two welding assemblies respectively perform welding operation on the two ends of the web member, the temperature of the welding gun can be increased along with the increase of the welding time, after the temperature is increased to a certain extent, the spring releases elasticity to drive the pushing plug to move, the pushing plug ejects the gas stored in the gas storage cylinders to the surface of the welding gun to perform cooling treatment, and meanwhile, the gas flowing away after being ejected to the surface of the welding gun can blow off welding slag at the welding position of the web member, so that the welding efficiency and the welding quality are improved.
And two,: according to the invention, when the heat of the welding gun is transferred into the heat absorbing cover through the welding device, the expansion liquid is heated and expanded, a part of the expansion liquid after expansion enters the vertical cylinder through the connecting hose, the expansion liquid in the vertical cylinder pushes the jacking plug to move upwards, when the top of the jacking plug moves upwards to be in contact with the induction end of the contact sensor, the contact sensor senses that the expansion liquid in the vertical cylinder reaches a certain capacity, the temperature of the welding gun is too high and needs to be cooled, the contact sensor sends a signal to enable the second electromagnetic valve to work, and the second electromagnetic valve controls the inside of the air injection hose to circulate with the inside of the air storage cylinder.
And thirdly,: according to the positioning component, the front side outer wall of the angle steel body is bonded and limited firstly, then the two fourth hydraulic push rods drive the limiting plates to move close to the angle steel body, the limiting plates bond and limit the rear side outer wall of the angle steel body, the angle steel body cannot shake and deviate in the process of welding the two ends of the web member with the angle steel bodies in the two positioning components respectively, and welding accuracy is guaranteed.
Drawings
The invention is further explained below with reference to the drawings and examples:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a second embodiment of the present invention;
FIG. 3 is a schematic view of a partial perspective view of the present invention;
FIG. 4 is a schematic perspective view of a welding mechanism of the present invention;
FIG. 5 is a partial cross-sectional view of a welding mechanism of the present invention;
FIG. 6 is an enlarged view at A in FIG. 5;
FIG. 7 is a partial cross-sectional view of a second embodiment of the welding mechanism of the present invention;
FIG. 8 is a schematic perspective view of a positioning assembly of the present invention;
FIG. 9 is a schematic perspective view of a positioning assembly according to the present invention;
fig. 10 is a schematic perspective view of a positioning assembly according to the present invention.
Reference numerals illustrate:
Base plate 1, web member stage 2, web member 21, portal frame 3, mount 31, rotation shaft 32, gear 33, welding mechanism 4, first hydraulic ram 41, t-frame 42, carrier frame 43, gripping assembly 44, rail 441, gripping plate 442, third hydraulic ram 443, gas cylinder 45, push plug 451, spring 452, gas delivery assembly 46, gas delivery cartridge 461, gas delivery plug 462, gas delivery rod 463, gas delivery block 464, mounting seat 465, roller 466, first cam 467, gas inlet tube 468, gas outlet hose 469, first solenoid valve 4691, welding assembly 47, screw slide 471, second hydraulic ram 472, welding table 473, welder 474, welding gun 475, heat absorbing cover 476, connecting ramp 477, gas nozzle 4771, gas injection hose 4772, second solenoid valve 478, expansion member 479, reinforcement frame 4791, vertical cylinder 4792, lift plug 4793, contact sensor 4794, connecting hose 4795, positioning assembly 5, positioning table 51, positioning table 52, angle steel body 53, positioning member 54, positioning plate 546, screw slide 471, second hydraulic ram seat 548, lifting rail seat 5455, rotating shaft 545, rotating shaft seat 548, lifting rail seat 5455, lifting rail seat 548, rotating seat 541, lifting rail seat 541.
Detailed Description
The following detailed description of the present invention clearly and fully describes the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. 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.
According to the invention, as shown in fig. 1-10, the welding device for the steel-structure bridge truss is provided by improvement, the welding device comprises a base plate 1, a web member table 2, a portal frame 3, a welding mechanism 4, two positioning assemblies 5, two guide rails 6 and two supporting frames 7, wherein the web member table 2 is arranged on the rear side of the top of the base plate 1, a plurality of web members 21 are piled on the top of the web member table 2, the two positioning assemblies 5 are symmetrically arranged on the front side of the top of the base plate 1, the two guide rails 6 are symmetrically arranged on the top of the base plate 1, the two supporting frames 7 are respectively arranged beside the two guide rails 6, racks 8 are horizontally arranged on the tops of the two supporting frames 7, the portal frame 3 is slidably arranged on the two guide rails 6, two mounting seats 31 are symmetrically arranged on the inner walls of the bottom ends of the portal frame 3, a rotating shaft 32 is rotatably arranged on the two mounting seats 31, the end of the rotating shaft 32 is provided with a gear 33 positioned outside the portal frame 3, the gear 33 is meshed with the racks 8, a motor output shaft 9 is horizontally arranged on the inner wall of the bottom end of the portal frame 3, the rotating shaft 9 is horizontally arranged on the rotating shaft 9 is connected with the two driving mechanisms 4 by the two driving mechanisms 4, and is welded with the two positioning mechanisms 4, and is matched with the two positioning mechanisms 4, and is welded on the two guide frames 3 by the rotating mechanism 4; the web members 21 on the web member table 2 are clamped by the welding mechanism 4, then the travelling motor 9 works to drive the rotating shaft 32 on one of the mounting seats 31 to rotate, the rotating shaft 32 drives the portal frame 3 to move on the two guide rails 6 by using the corresponding gear 33 and the rack 8, the rotating shaft 32 on the other mounting seat 31 and the corresponding gear 33 synchronously rotate while the portal frame 3 moves, the rotating shaft 32 on the two mounting seats 31 drives the welding mechanism 4 to work, the welding mechanism 4 works to extract outside air, the web members 21 clamped by the welding mechanism 4 are driven by the portal frame 3 to move between the two positioning assemblies 5, the web members 21 are placed in the two positioning assemblies 5 by the welding mechanism 4 to carry out welding operation, after the welding operation is finished, the welding mechanism 4 continues to work to cool the welding gun by spraying the air extracted into the web members 21, the welding gun 475 is prevented from being heated, the welding operation is carried out on the web members 21 conveniently and continuously, the welding gun 475 is not required to be stopped to be cooled, and the welding efficiency is improved.
Specifically, the welding mechanism 4 includes a first hydraulic push rod 41, a T-shaped frame 42, a bearing frame 43, a clamping assembly 44, two air cylinders 45, two air cylinder assemblies 46 and two welding assemblies 47, the first hydraulic push rod 41 is vertically arranged at the center of the top of the portal frame 3, the T-shaped frame 42 is installed on the output end of the first hydraulic push rod 41, the bearing frame 43 is installed at the bottom of the T-shaped frame 42, the clamping assembly 44 is installed at the bottom of the bearing frame 43, the two air cylinders 45 are symmetrically arranged at the top of the T-shaped frame 42, a pushing plug 451 is slidably installed in the air cylinders 45, springs 452 are horizontally arranged on the inner side walls of the air cylinders 45, the tail ends of the springs 452 are connected with the pushing plug 451, the two air cylinder assemblies 46 are symmetrically arranged on the inner walls of the bottom ends of the portal frame 3, the bottom ends of the two air cylinder assemblies 46 are respectively in transmission fit with the rotating shafts 32 on the two mounting seats 31, the top ends of the two air cylinder assemblies 46 are respectively communicated with the inside of the two air cylinders 45, and the two welding assemblies are symmetrically arranged at the top ends of the inside of the T-shaped frame 42; the T-shaped frame 42 and the bearing frame 43 are driven to move downwards through the first hydraulic push rod 41, the bearing frame 43 drives the clamping component 44 to move downwards to clamp the web member 21 on the web member table 2, then the portal frame 3 moves to drive the web member 21 to move between the two positioning components 5, the rotating shafts 32 on the two mounting seats 31 rotate while the portal frame 3 moves, the two rotating shafts 32 respectively drive the two gas transmission components 46 to work, the two gas transmission components 46 work to squeeze and extract outside gas to the two gas cylinders 45 in a reciprocating manner until the two gas cylinders 45 are filled with a certain amount of gas, then the first hydraulic push rod 41 cooperates with the clamping component 44 to put the web member 21 into the two positioning components 5, then the two welding components 47 respectively weld the two ends of the web member 21, the temperature of a welding gun rises along with the increase of welding time, after the temperature rises to a certain extent, the spring 452 releases the elasticity to drive the pushing plug 451 to move, the gas stored in the gas cylinders 45 to be sprayed to the surfaces of the welding gun 475 to be cooled, and meanwhile, the welding efficiency of the welding gun 21 can be improved after the gas sprayed to the surfaces of the gas cylinders 475 is blown to the surfaces, and the welding quality of the welding gun 21 can be welded.
Specifically, the air delivery assembly 46 includes an air delivery tube 461, an air delivery plug 462, an air delivery rod 463, an air delivery block 464, a fixing base 465, a roller 466 and a first cam 467, the air delivery tube 461 is vertically arranged on the inner wall of the bottom end of the portal frame 3, the air delivery plug 462 is slidably arranged in the air delivery tube 461, the air delivery rod 463 is slidably arranged at the bottom end of the air delivery tube 461, the top of the air delivery rod 463 is connected with the bottom of the air delivery plug 462, the air delivery block 464 is arranged at the bottom of the air delivery rod 463, the fixing base 465 is arranged at the bottom of the air delivery block 464, the roller 466 is rotatably arranged in the fixing base 465, the first cam 467 is arranged on the rotating shaft 32, the top end of the first cam 467 is abutted against the bottom end of the roller 466, an air inlet tube 468 communicated with the inside of the air delivery tube 461 is arranged on the outer wall of the top end of the air delivery tube 461, the inside of the air delivery tube 461 is communicated with the inside of the air storage tube 45 through an air outlet hose 469, and the first electromagnetic valve 4691 is arranged on the air inlet tube 468 and the air outlet hose 469; the first electromagnetic valve 4691 controls the gas in the air inlet tube 468 to flow to the air delivery tube 461 in one direction only, the gas in the air outlet hose 469 can flow to the air storage tube 45 in one direction only, the rotating shaft 32 drives the first cam 467 to rotate, the first cam 467 drives the air delivery rod 463 and the air delivery plug 462 to reciprocate by utilizing the roller 466, the air in the air delivery tube 461 is extruded into the air storage tube 45 through the air outlet hose 469 when the air delivery plug 462 moves upwards, the outside gas is pumped into the air delivery tube 461 through the air inlet tube 468 when the air delivery plug 462 moves downwards, the air delivery plug 462 can reciprocate to realize the air delivery in the air storage tube 45, the welding gun 475 is conveniently cooled by the gas in the subsequent air storage tube 45, when the air in the air storage tube 45 is full, the first electromagnetic valve 4691 controls the air outlet hose 469 to be closed and can not flow, the first electromagnetic valve 4691 controls the air inlet tube 462 to reciprocate, the outside gas can flow in the air storage tube when the air delivery plug 462 reciprocates, the outside gas can be pumped into and out through the air inlet tube 462 when the air delivery plug 462 moves reciprocally, the air inlet tube can not normally rotate, and the door frame 3 can not be influenced when the air in the air storage tube 45 is full.
Specifically, the welding assembly 47 includes a screw sliding table 471, a second hydraulic push rod 472, a welding table 473, a welder 474, a welding gun 475, a heat absorbing cover 476, a connecting inclined frame 477, an air nozzle 4771, an air injection hose 4772, a second electromagnetic valve 478 and an expansion member 479, wherein the screw sliding table 471 is horizontally arranged at the inner top end of the T-shaped frame 42, the second hydraulic push rod 472 is vertically arranged at the moving end of the screw sliding table 471, the welding table 473 is arranged at the output end of the second hydraulic push rod 472, the welder 474 is vertically arranged at the bottom of the welding table 473, the welding gun 475 is arranged at the bottom of the welder 474, the heat absorbing cover 476 is sleeved on the outer wall of the welder 474, an expansion liquid is arranged in the heat absorbing cover 476, the connecting inclined frame 477 is arranged on the outer wall of the welding table 473, the air nozzle 4771 is arranged at the bottom end of the connecting inclined frame 477, and the two ends of the air nozzle 4771 face the welding gun 475, the air nozzle 4771 are respectively communicated with the air nozzle 4771 and the inner part 45, the second electromagnetic valve 478 is arranged on the air injection hose 4772, the expansion member 479 is arranged at the top of the T-shaped frame 42, and the bottom end of the heat absorbing cover 476 is communicated with the inner part of the heat absorbing cover 476; the screw rod sliding table 471 and the second hydraulic push rod 472 work cooperatively to drive the welding gun 475 to move to a proper position to weld the end part of the web member 21, the temperature of the welding gun 475 can be increased along with the welding time, the heat of the welding gun 475 is transmitted into the heat absorbing cover 476 through the welder 474, the expansion liquid is heated and expanded into the expansion part 479, after the expansion liquid in the expansion part 479 reaches a certain capacity, the temperature of the welding gun 475 is too high and needs to be cooled, the expansion part 479 sends out a signal to enable the second electromagnetic valve 478 to work, the second electromagnetic valve 478 works to control the inside of the air injection hose 4772 to circulate with the air cylinder 45, the air in the air cylinder 45 is extruded into the air nozzle 4771 through the air injection hose 4772, the air nozzle 4771 sprays the air to the surface of the welding gun 475 to cool, the air flowing away after being sprayed to the surface of the welding gun 475 can blow off the welding slag at the welding position of the web member 21, the welding operation is conveniently and continuously carried out on the web member 21, the welding efficiency and the welding quality are improved, and the expansion liquid adopts alcohol.
Specifically, the expansion member 479 includes a reinforcement frame 4791, a vertical cylinder 4792, a lift plug 4793, a contact sensor 4794, and a connection hose 4795, the reinforcement frame 4791 is erected at the top of the T-shaped frame 42, the vertical cylinder 4792 is vertically disposed on the top outer wall of the reinforcement frame 4791, the lift plug 4793 is slidably mounted in the vertical cylinder 4792, the contact sensor 4794 is disposed at the top of the vertical cylinder 4792, and the sensing end of the contact sensor 4794 extends to the inside of the vertical cylinder 4792, and both ends of the connection hose 4795 are respectively communicated with the inside bottom end of the vertical cylinder 4792 and the inside of the heat absorbing cover 476; when the heat of the welding gun 475 is transferred into the heat absorbing cover 476 through the welding device 474, the expansion liquid is heated and expanded, a part of the expansion liquid after expansion enters the vertical cylinder 4792 through the connecting hose 4795, the expansion liquid in the vertical cylinder 4792 pushes the lifting plug 4793 to move upwards, when the top of the lifting plug 4793 moves upwards to be in contact with the sensing end of the contact sensor 4794, the contact sensor 4794 senses that the expansion liquid in the vertical cylinder 4792 reaches a certain capacity, the temperature of the welding gun 475 is too high and needs to be cooled, the contact sensor 4794 sends out a signal to enable the second electromagnetic valve 478 to work, at the moment, the second electromagnetic valve 478 controls the inside of the air injection hose 4772 to circulate with the air storage cylinder 45, the spring 452 releases elasticity to drive the pushing plug 451 to move, and the pushing plug 451 sprays gas stored in the air storage cylinder 45 through the air injection hose 4772, so that the purpose of supplying air to the air injection nozzle 4771 is achieved.
Specifically, the clamping assembly 44 includes a transverse rail 441, two clamping plates 442 and two third hydraulic pushing rods 443, the transverse rail 441 is horizontally disposed at the bottom of the carrier 43, the two clamping plates 442 are symmetrically disposed on the transverse rail 441, the top ends of the two clamping plates 442 are slidably matched with the transverse rail 441, the two third hydraulic pushing rods 443 are symmetrically disposed at the bottom of the carrier 43, and the output ends of the two third hydraulic pushing rods 443 are respectively connected with the two clamping plates 442; the two clamping plates 442 are driven to move close to each other to clamp the web member 21 by the operation of the two third hydraulic pushing rods 443, and the two clamping plates 442 move away from each other to place the web member 21.
Specifically, the positioning assembly 5 includes a positioning table 51, a placement table 52, an angle steel body 53, a positioning component 54, a limiting plate 55 and two fourth hydraulic push rods 56, the positioning table 51 is installed at the top of the base plate 1, the placement table 52 is horizontally arranged at the top of the positioning table 51, a rectangular groove 57 is formed at the edge of the placement table 52, the angle steel body 53 is horizontally placed at the top of the placement table 52, the angle steel body 53 is close to the rectangular groove 57, the positioning component 54 is installed on the inner wall of the positioning table 51, the top end of the positioning component 54 passes through the rectangular groove 57 to be attached to the front outer wall of the angle steel body 53, the limiting plate 55 is slidably installed at the top of the placement table 52, the limiting plate 55 is attached to the rear outer wall of the angle steel body 53, the two fourth hydraulic push rods 56 are symmetrically arranged at the top of the placement table 52, and the output ends of the two fourth hydraulic push rods 56 are connected with the limiting plate 55; the front outer wall of the angle steel body 53 is laminated and limited through the work of the positioning component 54, then the two fourth hydraulic push rods 56 drive the limiting plates 55 to move close to the angle steel body 53, the limiting plates 55 laminate and limit the rear outer wall of the angle steel body 53, the fact that the angle steel body 53 cannot shake and deviate in the welding process of the two ends of the web member 21 and the angle steel body 53 in the two positioning components 5 is guaranteed, and welding accuracy is guaranteed.
Specifically, the positioning component 54 includes a positioning plate 541, a rotating seat 542, a rotating wheel 543, a lifting seat 544, a lifting shaft 545, a second cam 546, a lifting motor 547, two vertical rails 548 and a plurality of positioning blocks 549, where the two vertical rails 548 are symmetrically disposed on an inner wall of the positioning table 51, the positioning plate 541 is slidably mounted on the two vertical rails 548, the plurality of positioning blocks 549 are disposed at equal intervals on top of the positioning plate 541, and top ends of the plurality of positioning blocks 549 penetrate through the rectangular slot 57 to be attached to a front side outer wall of the angle steel body 53, the rotating seat 542 is mounted at bottom of the positioning plate 541, the rotating wheel 543 is rotatably mounted in the rotating seat 542, the lifting seat 544 is mounted at bottom end of the positioning table 51, the lifting shaft 545 is rotatably mounted in the lifting seat 544, the second cam 546 is mounted on the lifting shaft 545, and top ends of the second cam 546 are in contact with bottom ends of the rotating wheel 543, the lifting motor 547 is horizontally disposed on an outer wall of the lifting seat 544, and an output shaft of the lifting motor 547 is connected to the lifting shaft 545; the lifting motor 547 works to drive the lifting shaft 545 and the second cam 546 to rotate, the second cam 546 drives the positioning plate 541 to move upwards on the two vertical rails 548 for a certain distance by utilizing the rotating wheel 543, the positioning plate 541 drives the plurality of positioning blocks 549 to move upwards, and the top ends of the plurality of positioning blocks 549 move upwards to pass through the rectangular groove 57 to be attached to the outer wall of the front side of the angle steel body 53, so that the front side of the angle steel body 53 is limited.
Specifically, the outer wall of the clamping plate 442 is provided with grid-shaped anti-skid patterns; the grid-like anti-skid texture increases the friction between the gripping plate 442 and the web members 21.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. The utility model provides a steel construction bridge truss welding set, includes base plate (1), web member platform (2), portal frame (3), welding mechanism (4), two locating component (5), two guide rail (6) and two support frames (7), web member platform (2) set up the top rear side at base plate (1), a plurality of web members (21) have been piled up at the top of web member platform (2), two locating component (5) symmetry sets up the top front side at base plate (1), two guide rail (6) symmetry sets up the top at base plate (1), two support frame (7) symmetry sets up the top at base plate (1) to two support frames (7) are located the side of two guide rails (6) respectively, the top of two support frames (7) is horizontally provided with racks (8), a portal frame (3) is slidably arranged on two guide rails (6), two mounting seats (31) are symmetrically arranged on the inner wall of the bottom end of the portal frame (3), rotating shafts (32) are rotatably arranged on the two mounting seats (31), the end parts of the rotating shafts (32) are provided with gears (33) positioned outside the portal frame (3), the gears (33) are meshed with the racks (8), a walking motor (9) is horizontally arranged on the inner wall of the bottom end of the portal frame (3), an output shaft of the walking motor (9) is connected with the rotating shaft (32) on one of the mounting seats (31), the welding mechanism (4) is arranged on the portal frame (3), the welding mechanism (4) is in transmission fit with the rotating shafts (32) on the two mounting seats (31), the welding mechanism (4) is used for clamping the web members (21) into the two positioning assemblies (5) for welding, the welding mechanism (4) comprises a first hydraulic push rod (41), a T-shaped frame (42), a bearing frame (43), a clamping assembly (44), two air cylinders (45), two air conveying assemblies (46) and two welding assemblies (47), the first hydraulic push rod (41) is vertically arranged at the top center of the portal frame (3), the T-shaped frame (42) is arranged at the output end of the first hydraulic push rod (41), the bearing frame (43) is arranged at the bottom of the T-shaped frame (42), the clamping assembly (44) is arranged at the bottom of the bearing frame (43), the two air cylinders (45) are symmetrically arranged at the top of the T-shaped frame (42), the pushing plugs (451) are slidably arranged in the air cylinders (45), springs (452) are horizontally arranged on the inner side walls of the air cylinders (45), the tail ends of the springs (452) are connected with the pushing plugs (451), the two air conveying assemblies (46) are symmetrically arranged on the inner walls of the bottom ends of the portal frame (3), the bottom ends of the two air conveying assemblies (46) are respectively in transmission fit with the rotating shafts (32) on the two mounting seats (31), the top ends of the two gas transmission assemblies (46) are respectively communicated with the interiors of the two gas cylinders (45), the two welding assemblies (47) are symmetrically arranged at the top ends of the interiors of the T-shaped frames (42), the gas transmission assemblies (46) comprise gas transmission cylinders (461), gas transmission plugs (462), gas transmission rods (463), gas transmission blocks (464), a fixing seat (465), rollers (466) and a first cam (467), the gas transmission cylinders (461) are vertically arranged on the inner wall of the bottom end of the portal frame (3), the gas transmission plugs (462) are slidably arranged in the gas transmission cylinders (461), the gas transmission rods (463) are slidably arranged at the bottom ends of the gas transmission cylinders (461), the top of the gas transmission rod (463) is connected with the bottom of the gas transmission plug (462), the gas transmission block (464) is arranged at the bottom of the gas transmission rod (463), the fixing seat (465) is arranged at the bottom of the gas transmission block (464), the roller (466) is rotatably arranged in the fixing seat (465), the first cam (467) is arranged on the rotating shaft (32), the top end of the first cam (467) is abutted against the bottom end of the roller (466), the outer wall of the top end of the gas transmission cylinder (461) is provided with a gas inlet pipe (468) communicated with the inside of the gas transmission cylinder (461), the inside top end of the gas transmission cylinder (461) is communicated with the inside of the gas storage cylinder (45) through a gas outlet hose (469), the air inlet pipe (468) and the air outlet hose (469) are provided with a first electromagnetic valve (4691), the welding assembly (47) comprises a screw rod sliding table (471), a second hydraulic push rod (472), a welding table (473), a welder (474), a welding gun (475), a heat absorbing cover (476), a connecting inclined frame (477), an air nozzle (4771), an air injection hose (4772), a second electromagnetic valve (478) and an expansion part (479), the screw rod sliding table (471) is horizontally arranged at the top end of the T-shaped frame (42), the second hydraulic push rod (472) is vertically arranged at the moving end of the screw rod sliding table (471), the welding table (473) is arranged at the output end of the second hydraulic push rod (472), the welding device (474) is vertically arranged at the bottom of the welding table (473), the welding gun (475) is arranged at the bottom of the welding device (474), the heat absorbing cover (476) is sleeved on the outer wall of the welding device (474), the expansion liquid is arranged in the heat absorbing cover (476), the connecting inclined frame (477) is arranged on the outer wall of the welding table (473), the air nozzle (4771) is arranged at the bottom end of the connecting inclined frame (477) and faces the welding gun (475), the two ends of the air nozzle hose (4772) are respectively communicated with the air nozzle (4771) and the inside of the air receiver (45), the second electromagnetic valve (478) is installed on the air injection hose (4772), the expansion component (479) is installed at the top of the T-shaped frame (42), the bottom end of the expansion component (479) is communicated with the inside of the heat absorbing cover (476), the expansion component (479) comprises a reinforcing frame (4791), a vertical cylinder (4792), a jacking plug (4793), a contact sensor (4794) and a connecting hose (4795), the reinforcing frame (4791) is erected at the top of the T-shaped frame (42), the vertical cylinder (4792) is vertically arranged on the outer wall of the top end of the reinforcing frame (4791), the jacking plug (4793) is slidably mounted in the vertical cylinder (4792), the contact sensor (4794) is arranged at the top of the vertical cylinder (4792), the sensing end of the contact sensor (4794) extends to the inside of the vertical cylinder (4792), two ends of the connecting hose (4795) are respectively communicated with the inner bottom end of the vertical cylinder (4792) and the inside of the heat absorbing cover (476), the positioning assembly (5) comprises a positioning table (51), a placing table (52), an angle steel body (53), a positioning part (54), a limiting plate (55) and two fourth hydraulic push rods (56), the positioning table (51) is mounted at the top of the base plate (1), the placement table (52) is horizontally arranged at the top of the positioning table (51), a rectangular groove (57) is arranged at the edge of the placement table (52), the angle steel body (53) is horizontally placed at the top of the placement table (52), the angle steel body (53) is close to the rectangular groove (57), the positioning component (54) is arranged on the inner wall of the positioning table (51), the top end of the positioning component (54) passes through the rectangular groove (57) to be attached to the front side outer wall of the angle steel body (53), the limiting plate (55) is slidably arranged at the top of the placement table (52), the limiting plate (55) is attached to the rear side outer wall of the angle steel body (53), the two fourth hydraulic push rods (56) are symmetrically arranged at the top of the placing table (52), the output ends of the two fourth hydraulic push rods (56) are connected with the limiting plates (55), the positioning component (54) comprises a positioning plate (541), a rotating seat (542), a rotating wheel (543), a lifting seat (544), a lifting shaft (545), a second cam (546), a lifting motor (547), two vertical rails (548) and a plurality of positioning blocks (549), the two vertical rails (548) are symmetrically arranged on the inner wall of the positioning table (51), the positioning plate (541) is slidably arranged on the two vertical rails (548), the plurality of positioning blocks (549) are arranged at the top of the positioning plate (541) at equal intervals, the top ends of the plurality of positioning blocks (549) penetrate through the rectangular groove (57) to be attached to the outer wall of the front side of the angle steel body (53), the rotating seat (542) is arranged at the bottom of the positioning plate (541), the rotating wheel (543) is rotatably arranged in the rotating seat (542), the lifting seat (544) is arranged at the bottom end of the positioning table (51), the lifting shaft (545) is rotatably arranged in the lifting seat (544), the second cam (546) is arranged on the lifting shaft (545), and the top end of the second cam (546) is in contact with the bottom end of the rotating wheel (543), the lifting motor (547) is horizontally arranged on the outer wall of the lifting seat (544), and an output shaft of the lifting motor (547) is connected with the lifting shaft (545).
2. The steel structure bridge truss welding device according to claim 1, wherein: the clamping assembly (44) comprises a transverse rail (441), two clamping plates (442) and two third hydraulic pushing rods (443), wherein the transverse rail (441) is horizontally arranged at the bottom of the bearing frame (43), the two clamping plates (442) are symmetrically arranged on the transverse rail (441), the top ends of the two clamping plates (442) are in sliding fit with the transverse rail (441), the two third hydraulic pushing rods (443) are symmetrically arranged at the bottom of the bearing frame (43), and the output ends of the two third hydraulic pushing rods (443) are respectively connected with the two clamping plates (442).
3. The steel structure bridge truss welding device according to claim 2, wherein: the outer wall of the clamping plate (442) is provided with grid-shaped anti-skid patterns.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410383312.9A CN117961392B (en) | 2024-04-01 | 2024-04-01 | Steel construction bridge truss welding set |
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| CN202410383312.9A CN117961392B (en) | 2024-04-01 | 2024-04-01 | Steel construction bridge truss welding set |
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| CN117961392B true CN117961392B (en) | 2024-05-31 |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3726462A (en) * | 1970-10-26 | 1973-04-10 | Longyear Co | Rod welding apparatus for making threaded drill rods |
| JP2006051522A (en) * | 2004-08-11 | 2006-02-23 | Okudo Kinzoku:Kk | Structure of welded joint of h-section steel |
| CN1784280A (en) * | 2003-05-06 | 2006-06-07 | 株式会社野村镀金 | Mold and method of manufacturing the same |
| JP2007245166A (en) * | 2006-03-14 | 2007-09-27 | Hitachi Eng Co Ltd | Welding apparatus |
| CN105537848A (en) * | 2015-12-22 | 2016-05-04 | 秦皇岛首秦金属材料有限公司 | Online repairing method for collision deformation of auxiliary main girders of four-beam double-trolley crane |
| CN112453798A (en) * | 2020-10-24 | 2021-03-09 | 东莞市联泰钢构有限公司 | Steel structure welding process |
| CN112756755A (en) * | 2021-01-22 | 2021-05-07 | 温州市飞马特科技有限公司 | Quick cooling device for welding gun |
| CN214816070U (en) * | 2020-11-25 | 2021-11-23 | 广州瑞松智能科技股份有限公司 | Web member clamping mechanism for standard knot |
| CN218253573U (en) * | 2022-08-31 | 2023-01-10 | 济南城建集团有限公司 | Steel case roof beam welding set |
| CN116117281A (en) * | 2023-04-18 | 2023-05-16 | 山东高原油气装备有限公司 | High-wear-resistance continuous sucker rod clamping block machining device and machining method |
| CN117415531A (en) * | 2023-12-14 | 2024-01-19 | 河北运驰专用汽车制造有限公司 | Semi-trailer longitudinal beam profiling welding equipment |
| CN117428362A (en) * | 2023-12-18 | 2024-01-23 | 山东鲁华容器有限公司 | Liquefied gas tank welding machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8141252B2 (en) * | 2008-05-23 | 2012-03-27 | Nucor Corporation | Rigging table for assembling trusses and method of use thereof |
| US11065708B2 (en) * | 2013-02-15 | 2021-07-20 | Matthew Fagan | Methods and systems for plasma machine processing of steel beams and other long products using a pantograph plate bevelling gantry-type plasma cutting machine |
-
2024
- 2024-04-01 CN CN202410383312.9A patent/CN117961392B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3726462A (en) * | 1970-10-26 | 1973-04-10 | Longyear Co | Rod welding apparatus for making threaded drill rods |
| CN1784280A (en) * | 2003-05-06 | 2006-06-07 | 株式会社野村镀金 | Mold and method of manufacturing the same |
| JP2006051522A (en) * | 2004-08-11 | 2006-02-23 | Okudo Kinzoku:Kk | Structure of welded joint of h-section steel |
| JP2007245166A (en) * | 2006-03-14 | 2007-09-27 | Hitachi Eng Co Ltd | Welding apparatus |
| CN105537848A (en) * | 2015-12-22 | 2016-05-04 | 秦皇岛首秦金属材料有限公司 | Online repairing method for collision deformation of auxiliary main girders of four-beam double-trolley crane |
| CN112453798A (en) * | 2020-10-24 | 2021-03-09 | 东莞市联泰钢构有限公司 | Steel structure welding process |
| CN214816070U (en) * | 2020-11-25 | 2021-11-23 | 广州瑞松智能科技股份有限公司 | Web member clamping mechanism for standard knot |
| CN112756755A (en) * | 2021-01-22 | 2021-05-07 | 温州市飞马特科技有限公司 | Quick cooling device for welding gun |
| CN218253573U (en) * | 2022-08-31 | 2023-01-10 | 济南城建集团有限公司 | Steel case roof beam welding set |
| CN116117281A (en) * | 2023-04-18 | 2023-05-16 | 山东高原油气装备有限公司 | High-wear-resistance continuous sucker rod clamping block machining device and machining method |
| CN117415531A (en) * | 2023-12-14 | 2024-01-19 | 河北运驰专用汽车制造有限公司 | Semi-trailer longitudinal beam profiling welding equipment |
| CN117428362A (en) * | 2023-12-18 | 2024-01-23 | 山东鲁华容器有限公司 | Liquefied gas tank welding machine |
Non-Patent Citations (1)
| Title |
|---|
| 钢格构柱塔吊基础的设计、定位与施工;徐永华;;城市建设理论研究(电子版);20180105(01);99-100 * |
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