Fine welding portal self-adaption driving device
A driving device and self-adaptive technology, applied in the field of machinery, can solve problems such as unfavorable steel pipe stability control, unsatisfactory control of driving roller jitter, and difficulty in precise control of driving pressing force, etc., to achieve good stability and eliminate jitter. Effect
Active Publication Date: 2014-12-17
SINOPEC OILFIELD EQUIP CORP
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Problems solved by technology
This driving device has the following technical defects: First, the driving roller is pressed by a cylinder. Due to the large bore of the cylinder, a small air pressure change will cause a large change in the pressing force, and it is difficult to accurately determine the driving pressing force. Second, due to the compressibility of the gas, the vibration control of the driving roller to the steel pipe is not ideal; third, once the steel pipe position is shifted horizontally when driving the steel pipe, the driving roller cannot follow it due to the central positioning. The offset of the steel pipe can only be adapted by tilting and swinging. Such a structure is not conducive to the stable control of the steel pipe
Method used
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Embodiment Construction
[0016] Attached below Figure 1-4 Specific embodiments of the present invention will be further described.
[0017] see figure 1 , figure 2 , image 3 and Figure 4 , start the transmission motor 22, drive two steering gears 1 through the transmission shaft 23 on both sides of the transmission motor 22, and the steering gear 1 drives the screw nut seat 19 through the screw mandrel 17, so that the lifting beam 18 is mounted on the gate frame 6 along the The lifting guide rail 5 is lifted, and at the same time drives the depressing beam 3, the floating beam 4, the corner motor 10, the driving motor 9 and the driving roller 8 to lift as a whole, and the steel pipe 7 is sent into the door-shaped frame 6, and the transmission motor 22, the transmission shaft 23 and the steering The device 1 drives the lifting beam 18, the pressing beam 3, the floating beam 4, the corner motor 10, the driving motor 9 and the driving roller 8 to move down as a whole through the screw rod 17 and ...
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The invention provides a fine welding portal self-adaption driving device. A transmission mechanism consisting of a transmission motor, a transmission shaft and a steering gear is installed at the top of a door-shaped rack, a nut seat is installed on a lead screw in the steering gear and is fixed on a lifting beam, two ends of a screw-down beam are respectively installed in two vertical guide rails of the lifting beam, two ends of the lifting beam are respectively installed in two lifting guide rails of two vertical posts of the door-shaped rack, two groups of screw-down cylinders and a balance cylinder are respectively arranged on the upper end of the lifting beam, tops of the two vertical posts of the door-shaped rack are respectively provided with a pulley, a steel wire rope passes through the pulley, one end of the steel wire rope is connected with a counterweight, the other end of the steel wire rope is connected with the lifting beam, a driving mechanism consists of the screw-down beam, a float beam, a driving roller, a driving motor, and an angling motor, and the whole driving mechanism goes up and down in the stroke range of the screw-down cylinder.
Description
technical field [0001] The invention relates to the mechanical field, in particular to an adaptive drive device for a precision welding gantry. Background technique [0002] The fine welding gantry adaptive drive device is an important equipment for the fine welding unit to produce spiral steel pipes, and is used to drive steel pipe welding. The spiral submerged arc prefinishing welding production process is a production process that drives a single steel pipe on the roller table. Due to the straightness and roundness errors of the steel pipe itself, there are manufacturing and installation errors in the drive roller table of the unit. These errors have a certain impact on the stable driving of the steel pipe. It is difficult to solve these problems technically. Since the pre-finishing welding process is a new process that has only been adopted in China in recent years, the design principles of the finishing welding units used by domestic counterparts are roughly the same. ...
Claims
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IPC IPC(8): B23K37/00B23K9/12
Inventor 胡宜新
Owner SINOPEC OILFIELD EQUIP CORP