2results about How to "Reduce derailment" patented technology

The utility model discloses a kind of self-propelled crane track adjusting devices, comprising: transmission assembly, including support seat, the support seat is symmetrically provided with two groups, two groups the support seat between being provided with base, the top and bottom of the support seat rotatably install auxiliary wheel;Adjusting group frame, including slide, the slide and support seat end inner wall cooperation sliding connection, the inner wall of the slide is connected with the first axle rotation adjusting wheel, the slide is telescopic with the inner wall of support seat telescopic adjustment position;Track, the track is engaged with auxiliary wheel, adjusting wheel, it is related to track adjusting device technical field, through the power transmission structure of beehive gear and lead screw, screw sleeve, the guiding effect of cooperation guide rib and sliding slot, the accurate, convenient adjustment of track tension is realized, adjustment process is stable, avoid the adjustment failure caused by slide deviation, simultaneously without disassembling component, operation efficiency is high.

The utility model provides a telescopic double parallel rail detection dolly, through adopting adjustable frame structure of flexible adjustment function to solve the problem of track adaptability and insufficient rigidity of equipment in the operation process, and the telescopic double parallel rail detection dolly includes guide wheel, drive wheel and frame body, the guide wheel includes guide wheel wheel body and connecting seat, and the guide wheel wheel body is connected with the connecting seat, and the guide wheel is connected with the crosspiece of frame body through the connecting seat, the drive wheel includes drive wheel wheel body and drive wheel axle, and the drive wheel is installed in the crosspiece center position of frame body, the drive wheel wheel body is embedded with C type steel rail groove part, and the frame body includes telescopic longitudinal rod, crosspiece and arc reinforcing plate, so that the telescopic double parallel rail detection dolly has adjustable spacing, high stability, and the adjustable spacing makes it can adapt to the track of different spacing, and the high stability guarantees to accurately and reliably complete each detection task in the detection process.