Fully Hydraulic Tunneling Jumbos Underground Rock Bolting Drill Rigs For Small Tunnels


DW551 is a small and medium-sized hydraulic rock drilling equipment independently researched, developed, and manufactured by our company. It is mainly suitable for excavation and construction operations in tunnels, mining, hydropower, railway, highway, and other fields; It adopts an advanced fully hydraulic rock drilling system, equipped with an anti jamming device. It has a compact structure, and the drilling arm is extendable. It can perform multi angle and multi-directional drilling positioning relatively parallel to the working section. The climbing ability is ≤15%, the walking speed can reach 12km/h, moving speed is fast. It is an excellent underground mining and tunnel excavation mechanized drilling equipment.

Technical specifications

Product advantage

Our newly developed rock drilling equipment specifically designed for tunnel bolt installation makes tunnel and underground rock drilling construction easier and more efficient for you. It fully embodies Company's corporate mission of "making construction easier".
Wide construction scope
The drilling arm can rotate 360°during propulsion, and the drilling arm with translational propulsion can drill holes in all directions, no dead angle;

High security
It has excellent power system, greatly improves the construction environment, and achieves green construction;

High work efficiency
The high-strength chain, combined with a high torque hydraulic motor, provides reliable pushing and pulling support during the drilling process; Accurate drilling reduces the occurrence of leakage and deviation during construction, significantly improving the blasting effect;

Operating platform
Ensure that the operator has a good field of vision, simple and convenient hydraulic control console, allowing the operator to operate easier and improve work efficiency;

Company Overview

Founded in 2005, its headquarters is located in Chengdu, China , Sichuan Zuanshen Intelligent Machi nery Manufacturing Co.,

Ltd is an engineering equipment manufacturer which integrate in R&D, design and manufacture. In the past 19 years, it has been devoted to engineering equipment and related fields, pursuing the business philosophy of "Guided by customer value, green development and harmonious win-win".

It also carries the dream to be the first-class company, so it continuously improve its capacatity in order to become an global leading enterprise which strong in R&D, manufacture, service. Grand scale, strong R&D capability and advanced production capacity have laid a solid foundation for its stable development.

It has close cooperation with many experts of the Chengdu University of Technology, Southwest Jiaotong University, and authoritative scholars of engineering equipment institutions, it blends multidisciplinary knowledge and apply them to the development of the machine.

Our  customers