Beam lifting and swinging mechanism of bridge U-rib welding machine
A welding machine and beam technology, applied in welding equipment, auxiliary welding equipment, welding/cutting auxiliary equipment, etc., can solve the problems of inconvenient control, slow adjustment speed and high cost, achieve simple structure, reduce adjustment time, and improve production. The effect of efficiency
Active Publication Date: 2014-11-19
WUXI HUALIAN SCI & TECH GROUP
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AI Technical Summary
Problems solved by technology
In the prior art, the ±30° inclination of the cross arm of the U rib welding machine is adjusted by the screw lifter. Since the welding arm is very long, the adjustment speed in this way is very slow, the control is inconvenient, and a lot of work is required. It takes time to adjust in place, and the cost is high
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Embodiment Construction
[0015] The present invention will be further described below in conjunction with specific drawings.
[0016] Such as Figure 1 ~ Figure 3 As shown: the lifting and swinging beam mechanism of the bridge U-rib welding machine includes a first eccentric shaft 1-1, a second eccentric shaft 1-2, a first round nut 2, a first bearing seat 3, a first spacer 4, a first One deep groove ball bearing 5-1, the second deep groove ball bearing 5-2, the third deep groove ball bearing 5-3, the first roller 6-1, the second roller 6-2, the third roller 6-3, Roller shaft 7, left sliding seat 8, first rotating shaft 9, second round nut 10, left column 11-1, right column 11-2, linear guide rail 12, right sliding seat 13, rotating body 14, slide block 15, The second rotating shaft 16, the bearing cover 17, the self-aligning roller bearing 18, the second spacer 19, the end cover 20, the beam 21, the fixed seat 22, the electric hoist 23, the second bearing seat 24, the guide boss 25, the fixed Rack ...
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The invention relates to a beam lifting and swinging mechanism of a bridge U-rib welding machine. The beam lifting and swinging mechanism comprises a left stand column, a right stand column and a beam, wherein a fixing bracket is connected between top ends of the left stand column and the right stand column. The beam lifting and swinging mechanism is characterized in that a first rotation shaft is arranged at the left end of the beam, a left sliding seat is installed at the end of the first rotation shaft, and the left sliding seat is arranged on the outer side of the left stand column; a linear guide rail is arranged at the right end of the beam, a sliding block is arranged on the linear guide rail and connected with a rotation member, a second rotation shaft is arranged on the rotation member and installed in a second bearing seat, and a right sliding seat is fixed on the second bearing seat and arranged on the outer side of the right stand column; and two groups of left sliding mechanisms and two groups of right sliding mechanisms are installed on the left siding seat and the right sliding seat respectively, the left sliding mechanisms are located on two sides of the left stand column respectively, and the right sliding mechanisms are located on two sides of the right stand column respectively. By means of the beam lifting and swinging mechanism, the beam can be fast adjusted at any position between -30 degrees and 30 degrees, adjusting time of the beam is reduced, and production efficiencies are improved.
Description
technical field [0001] The invention relates to a beam mechanism, in particular to a lifting and swinging beam mechanism of a bridge U-rib welding machine, which belongs to the technical field of mechanical equipment. Background technique [0002] U-shaped ribs in large steel structure bridges, also known as U ribs, are one of the most important components in steel structure bridges, with a large number and high precision. After multiple U-ribs are assembled with the bottom plate, a U-rib unit is formed. There is a weld seam on both sides of each U-rib to be welded. In order to ensure the welding quality, boat-shaped welding is required. The U-rib unit should be tilted at ±30°. Welding is carried out, so the beam of the U-rib welding machine is also inclined by ±30°. In the prior art, the ±30° inclination of the transverse arm of the U-rib welding machine is adjusted by the screw lifter. Since the welding arm is very long, the adjustment speed in this way is very slow, the ...
Claims
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IPC IPC(8): B23K37/00
Inventor 吴云强杨念记陈飞龚国华周怡殷佳燕周洪根曹益民钱军
Owner WUXI HUALIAN SCI & TECH GROUP