Drilling machine refers to the machinery and equipment collectively leaving cylindrical holes or holes in the target by means of rotary cutting or rotary extrusion using tools that are harder and sharper than the target. There are also known as drilling rigs, punchers, punchers, through-hole machines, and so on. Through the drilling of precision parts to achieve the desired effect, the drilling machine has semi-automatic drilling machine and full-automatic drilling machine, as the cost of human resources increases; most companies consider automatic drilling machines as the development direction . With the development of the times, the drilling technology of the automatic drilling machine is improved, and the automatic drilling machine is used to drill various hardware molds.
The drilling rig is the host to complete the drilling construction. It drives the drilling tools and drill bits to drill deep into the formation, and uses the elevator on the drilling rig to complete the auxiliary work of lifting the drilling tools and casing, extracting the core, and replacing the drill bits. The main function of the pump is to deliver flushing liquid into the hole to clean the bottom of the hole, cool the drill bit and lubricate the drill. The purpose of geotechnical drilling is different from the construction object, so there are many types of drilling rigs. Drilling rigs can be classified according to their uses, such as core drilling rigs, petroleum drilling rigs, hydrogeological survey and water well drilling rigs, engineering geological survey rigs, tunnel rigs, and engineering construction rigs. The drilling rigs can be divided into four categories according to the drilling method: (1) Percussion drilling rig: Wire rope impact type, drill rod impact type rig. (2) Rotary drilling rig: vertical shaft type–handle feed type, screw differential feed type, hydraulic feed type rig; turntable type–steel wire plus and minus pressure type, hydraulic cylinder plus and minus type rig; mobile Rotator-full hydraulic power head type, mechanical power head type drilling rig. (3) Vibration rig. (4) Compound drilling rigs: The drilling rigs with functions such as vibration, shock, rotation, and static pressure are combined in different combinations.
The manual drilling machine includes a manual transmission mechanism, an axial feed mechanism, a guide mechanism, and a gap adjustment mechanism. The manual transmission mechanism is composed of a spindle, a wrench connected to the upper end of the spindle, and a drill and a sleeve connected to the lower end of the spindle The drill consists of an axial feed mechanism consisting of a handwheel, a worm, a worm gear, a nut, and a screw rod. The guide mechanism consists of an upper end through a box cover and a nut. The adjusting nut connected to the main shaft is composed of two flat bearings provided on both sides of the upper end of the nut 6. The product has good sealing performance, stable work, low labor intensity, and can be used for one machine. It can be used as a device for installing branch pipes on pipelines carrying liquid or gas without stopping their transportation work under pressure.