Abstract: The present disclosure provides a slope reinforcing and protecting device for hydraulic engineering. The device includes a connecting base body, where an upper end of the connecting base body is fixedly connected to a protection assembly, and a fastening assembly is arranged in the protection assembly for supporting. A protection net is connected around an outer side of the connecting base body.

Abstract: The present disclosure provides a slope reinforcing and protecting device for hydraulic engineering. The device includes a connecting base body, where an upper end of the connecting base body is fixedly connected to a protection assembly, and a fastening assembly is arranged in the protection assembly for supporting. A protection net is connected around an outer side of the connecting base body.

Abstract: Disclosed in the present disclosure are a vertical-height gauge and a measuring method, relating to the field of surveying and mapping tools, and including a measuring plate, a support fixing plate, a plumb, a steel tape and a plumb rope. The measuring plate includes a reference plate, an auxiliary reference plate and a reference ruler; the support fixing plate includes a fixing base plate, two racks are oppositely arranged on a side surface of the fixing base plate, a slide plate is arranged between the two racks, a first gear meshing with the single rack and rotating is arranged on two sides of the slide plate separately, a control assembly is arranged on the slide plate, and the control assembly is configured to control a rotating state of the first gears; and the reference plate is perpendicularly connected to the slide plate.

Abstract: A grinding mechanism is provided including a support table configured for fixing a workpiece to be ground thereon, and a sliding assembly slidably provided on the support table and including a cleaning tool. The cleaning tool includes a scraper configured to face the support table and a scraper holder to which the scraper is provided.