2results about How to "Improve hole quality" patented technology

The utility model belongs to toughened glass processing technical field, concretely relates to a kind of laser hole cutting equipment for toughened glass, the laser hole cutting equipment for toughened glass, including bottom plate, the upper surface of bottom plate is fixedly connected with first U-shaped plate, the front and back sides of first U-shaped plate inner wall are all fixedly connected with cross pipe, the bottom of cross pipe is fixedly connected with distributing pipe, the bottom end of distributing pipe is fixedly connected with spray head. The laser hole cutting equipment for toughened glass is cooperated by first U-shaped plate, cross pipe, distributing pipe, spray head, first partition, water storage box, submersible pump and connecting pipe, after the glass on belt conveyor passes below spray head, the water sprayed by spray head, glass surface can be covered with a layer of water film, at this time, the diffusion of glass dust generated during cutting can be inhibited by water film, to prevent dust from adhering to laser head or focusing mirror of laser cutting device, ensure laser transmission efficiency and focusing accuracy, improve hole cutting quality.

This invention relates to interlocking cast-in-place pile construction technology, specifically a long spiral drilling device and construction method for interlocking cast-in-place piles. It includes a drill pipe, the upper end of which is concentrically and fixedly connected to the output shaft of a power head. A casing is concentrically and fixedly connected to the output shaft of the power head, with the drill pipe located inside the casing. The drill pipe and casing are concentric, and a spiral auger is fixed to the outer edge of the drill pipe. A hole bottom correction component is installed at the lower end of the drill pipe. In this construction method, the drill pipe and casing are spiraled in together. The casing prevents hole wall collapse during drilling, effectively forming holes in dense, fine sand strata rich in groundwater. It can correct the outer side of the hole bottom, improve the quality of the formed hole, and ensure the quality and stability of the concrete pile. Addressing the limitations of traditional mechanical equipment performance and ultra-thick gravel layers, this construction method solves the problems of hole formation and interlocking of cast-in-place concrete piles under special geological conditions.