3results about How to "Drilling stability" patented technology

The utility model provides an automatic deviation correction drilling guide device for bridge and tunnel engineering anchor rod hole construction, and relates to the technical field of drilling guide. A base is mounted on the partition plate, a middle cylinder is mounted above the base, a top seat is mounted at the upper end of the middle cylinder and connected with the base through bolts, guide cylinders are mounted in the top seat, the middle cylinder and the base, bearings are mounted in the top seat, and the guide cylinders are sleeved with the bearings; by means of an automatic deviation rectifying structure composed of the lower fixing block, the elastic telescopic rod, the rail rod, the contact wheel and the like, when a drill bit deviates, the contact wheel is extruded to be in linkage with the elastic telescopic rod to reversely apply force to adjust the direction, and the drilling perpendicularity and precision are improved; dustproof rings and sealing rings in the base and the top seat form a multi-layer dustproof sealing structure, dust is prevented from entering the device, components are protected, the service life is prolonged, and the construction environment is improved; vibration impact is absorbed through a buffering and damping system composed of a buffering ring and a spring in the middle cylinder, and the drilling quality is improved.

The utility model relates to borehole device technical field discloses a kind of automatic drilling devices for furniture, including conveying frame, multiple conveying rollers are rotatably connected in conveying frame inside, multiple conveying rollers are all horizontally arranged, and both sides of conveying frame top are vertically fixedly connected with support column, and the top end of two support columns is horizontally fixedly connected with same crosspiece, and the bottom of crosspiece is horizontally slidably connected with bottom plate, and the sliding mechanism of sliding bottom plate is equipped in the inside of crosspiece, and the bottom of bottom plate is vertically slidably connected with connecting cylinder, and the center of connecting cylinder bottom is rotatably connected with drill bit, and connecting cylinder surface is provided with dustproof mechanism.The utility model is provided with the setting of connecting box, can press the effect to clamp plate material in the process of drilling, to improve the stability of drilling, and cooperate with the setting of dust collector, can dust inside connecting box, to absorb the debris generated by drilling, to improve the use effect of the device.