In modern tunnel construction, double-arm rock drilling carts are playing an irreplaceable and crucial role, which greatly contributes to the efficiency and safety of tunnel construction.
The Double Boom Rock Drill, with its unique double-arm design, works on the basis of a hydraulic drive and a precise control system. By means of a joystick or an automated
program, the operator can flexibly control the extension, rotation and advancement of the arm to drive the rock drill to drill holes on the rock surface. This design gives the
truck a significant advantage in tunneling.
Compared with the traditional manual drilling method, the double-arm rock drill truck greatly improves the construction efficiency. In the traditional manual drilling method, workers need to hold an air drill and repeat high-intensity work in a narrow space.
Repeated high-intensity work is not only inefficient, but also affected by the physical strength and technical level of the workers.
In the case of double-arm rock drill truck, two rock drills can work at the same time, and the drilling of several holes can be completed at one time, which greatly shortens the drilling time. For example, in a medium
For example, in the construction of a medium hard rock tunnel, manual drilling may only complete dozens of holes per day, while the double-armed rock drill truck can complete hundreds of holes in the same time, thus the construction progress has been reduced by several times.
The construction progress has been increased several times.
In terms of safety, the Double Boom Rock Drill is even safer. It separates the operator from the dangerous rock working surface and reduces direct exposure to rock falls, dust contamination and other hazards.
Rock fall, dust pollution and other dangerous environments. At the same time, the advanced automated control system can accurately control the drilling parameters, avoiding safety accidents caused by human errors.
avoiding safety accidents caused by human errors.
An example of a highway tunnel project in a mountainous area is a 3km long tunnel with complex geological conditions and varying rock hardness. The construction team introduced
After the construction team introduced the double-arm rock drilling cart, the cart quickly drilled dense holes in the palm face at the early stage of tunnel excavation. In the face of the hard rock area, its strong power and precise
Its strong power and precise drilling control ensured the quality of the holes, which provided good conditions for the subsequent blasting, and made the shape of the tunnel section after blasting accurately meet the design requirements, effectively reducing over-excavation and under-excavation.
The shape of the tunnel section after blasting accurately meets the design requirements, effectively reducing the phenomenon of over-excavation and under-excavation, and saving a lot of follow-up processing costs.
In another city subway tunnel construction project, the space is relatively narrow and the construction environment is complicated. The compact design of the double-arm rock drill truck and the flexibility of the
The compact design and flexible arm enable it to work freely in the limited space. During the anchor support operation, the cart utilizes the flexibility of the mechanical arm to quickly and accurately install the anchor rods into the designated locations, providing the best solution for the tunnel construction.
The dolly utilizes the flexibility of the arm to quickly and accurately install the anchor rods to the designated locations, thus gaining valuable time for the initial support of the tunnel and ensuring the safety and progress of the construction.
With its high efficiency, safety and accuracy, double-arm rock drilling cart has become an indispensable equipment for modern tunnel construction.
With the continuous progress of technology, it is believed that it will play a more important role in future tunnel construction and help the tunnel engineering industry to move towards a higher level of development.
Translated with DeepL.com (free version)
