The YHJ-600(A) intrinsically safe laser alignment instrument for mining is an integrated device that combines electronics, optics, and precision mechanics. It features an aesthetically pleasing design, compact size, light weight, and explosion-proof characteristics. The instrument can be quickly mounted on anchor bolts via a suspension assembly and allows for coarse adjustment over a 360° range with fine, highly accurate adjustments; adjustment is convenient and the locking mechanism is reliable. The product incorporates a self-developed optical system and supports both red and green light sources, with beam spot size and effective range tailored to meet the requirements of underground mining operations. It is powered by a PL205667 3.7 V battery pack, eliminating the need for external power connections on site, which makes it suitable for widespread use in facilities without AC power or in locations subject to frequent relocation, enabling continuous long-term operation. The instrument is primarily used in coal mine underground roadways to provide precise positioning of center and waist lines during excavation, as well as directional alignment for the installation of transport pipelines, conveyor belts, ventilation ducts, water pipes, and cable routes. By integrating electronics, optics, and precision mechanics and employing the long-life, continuously operable PL205667 3.7 V battery pack, this instrument is particularly well-suited for work environments where power supply connections are challenging. Coarse adjustment is achieved through a 360° rotatable locking mechanism, while mounting is facilitated by a fixing rod and a suspension assembly with locking devices, making instrument installation both convenient and rapid. A fine-adjustment mechanism enables lateral and longitudinal adjustments within a range of no less than ±1.5°.

The YDJ-600 standard laser alignment instrument is a multifunctional device that integrates electronics, optics, and precision mechanics. It features an aesthetically pleasing design, compact size, and lightweight construction. The instrument can be mounted on a tripod or quickly secured to anchor bolts via a suspension assembly. It offers 360° full-range coarse adjustment and highly precise fine adjustment, with convenient operation and reliable braking. The product incorporates a self-developed optical system and supports both red and green light sources; the beam spot size and effective range are tailored to meet the requirements of underground mining operations. Powered by a lithium-ion battery, the instrument allows for simultaneous charging and operation, and can also be powered by a wide-range AC input of 80 V to 245 V, complete with protective functions. Primarily used in non-explosive gas environments, this instrument provides accurate midline and waistline positioning during underground roadway excavation, as well as directional guidance for the installation of transport pipelines, conveyor belts, ventilation ducts, water pipes, and cable routes. It also delivers straight-line alignment for tunneling projects in subways, highways, railways, bridges, tunnels, culverts, oil pipelines, and drainage systems. By integrating the power supply module, optical components, and precision mechanical elements into a single unit, the instrument boasts an attractive appearance, compact footprint, and light weight.

The YBJ-1200 explosion-proof laser alignment instrument for mining is an integrated device that combines electronics, optics, and precision mechanics. It features an aesthetically pleasing appearance, compact size, light weight, and explosion-proof design. The instrument is mounted in a fixed configuration and can be quickly secured to anchor bolts using a suspension assembly. It allows for coarse adjustment over a 360° range and fine adjustment with high accuracy; adjustment is convenient, and the braking mechanism is reliable. The product incorporates a self-developed optical system and supports both red and green light sources, with beam spot size and effective range tailored to meet the requirements of underground mining operations. It is powered by a dual AC/DC power conversion module, accepting a wide-range AC input of 127 V and featuring built-in protection functions. The instrument is primarily used in coal mine roadways during excavation to provide precise positioning of center and waist lines, as well as directional guidance for the installation of transport pipelines, conveyor belts, ventilation ducts, water pipes, and cable routes. It can also provide straight-line guidance for tunneling operations in subways, highways, railways, bridges, tunnels, culverts, oil pipelines, and drainage projects. By integrating the power module, optical components, and precision mechanical parts into a single unit, the instrument boasts an attractive appearance, compact footprint, and lightweight construction. Coarse adjustment is achieved via a 360° rotatable locking mechanism, while installation is facilitated by a fixed mounting rod and a suspension assembly with locking devices, making the instrument’s fixation quick and easy. A fine-adjustment mechanism enables lateral and longitudinal adjustments within a range of no less than ±1.5°. Upon connection to a 127 V AC power supply, the power module converts the voltage to DC to power the laser tube, generating a laser beam; this beam is then collimated and directed over long distances by the optical system, achieving an effective range of up to 1,200 meters.

The YBJ-800 explosion-proof laser alignment instrument for mining is an integrated device that combines electronics, optics, and precision mechanics. It features a fixed mounting design and can be quickly secured to anchor bolts via a suspension assembly. The instrument allows for coarse adjustment over a 360° range and fine adjustment with high accuracy; adjustment is convenient, and the locking mechanism is reliable. The product incorporates a self-developed optical system and supports both red and green light sources, with beam spot size and effective range tailored to meet the requirements of underground mining operations. It is powered by a dual AC/DC power conversion module, accepting a wide-range AC input of 127 V and featuring built-in protection functions. The instrument is primarily used in coal mine roadways to provide precise positioning of center and waist lines during excavation, as well as directional guidance for the installation of transport pipelines, conveyor belts, ventilation ducts, water pipes, and cable routes. It can also serve as a straight-line reference for tunneling operations in subways, highways, railways, bridges, tunnels, culverts, oil pipelines, and drainage projects. By integrating the power supply module, optical components, and precision mechanical elements into a single unit, the instrument boasts an aesthetically pleasing appearance, compact size, and lightweight construction. Coarse adjustment is achieved through a 360° rotatable locking mechanism, while installation is facilitated by a fixed mounting rod and a suspension assembly with locking devices, making the instrument’s fixation both convenient and rapid. A fine-adjustment mechanism enables lateral and longitudinal adjustments within a range of no less than ±1.5°. Once connected to a 127 V AC power supply, the power module converts the voltage to DC to power the laser tube, generating a laser beam; this beam is then collimated and directed over long distances by the optical system, achieving an effective range of up to 800 meters.