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Views: 2000 Author: Site Editor Publish Time: 2024-01-14 Origin: Site
In tunnel construction, improving efficiency and reducing costs have always been important goals for the industry. For this reason, Wuxin Equipment innovatively puts forward a new solution for cost reduction and efficiency improvement in tunnel construction - three pieces of excavation and double cancellation of operations.
Excavation three-piece set
1、FACE DRILL RIG
It can be applied to road and railway tunnels, pumped storage power stations, hydropower stations, underground caves and reservoirs for boring drilling and anchor hole operations.
a. The world's first curved arm arm structure created by Wuxin can meet the needs of two step and three step up, middle, and down step operations;
b. The boom can be operated below the horizontal level to achieve inverted arch excavation;
Simple stand! NO! Manual drilling! NO!
VS 
Manual drilling Hydraulic rock drilling
| Comparison project | Traditional manual labor | Mechanical excavation | Comparison results |
| Construction personnel | 18-20 people | 3 people | Mechanical excavation reduces the number of people by 80% |
| Single hole drilling efficiency | 1 | 5-6 times | Mechanical excavation efficiency far exceeds manual labor |
2、PLATFORM LIFTER
Integrating various high-altitude operations such as arch installation, steel mesh laying, and explosive charging, it is suitable for the prefabrication and segmentation of multiple arch frames, prefabrication and folding of multiple arch frames, and folding of single arch frames in the full section method and step method of highways and railways.
a. Equipped with an air compressor, it can achieve hole cleaning operations and quickly complete the drilling and blasting of the palm surface for charging explosives;
b. Completely cancel the simple platform, and the super large work platform can accommodate 6-8 people at the same time;
c. Three arches and steel mesh installation can be completed in 45 minutes, accelerating the process cycle.
Simple stand! NO! Artificial arch erection! NO!
VS 
Artificial arch Mechanical arch
| Comparison project | Traditional manual labor | Mechanical arch | Comparison results |
| Construction personnel | 7-8 people | 3-4 people | Mechanical arch erection reduces the number of people by 50% and reduces personnel safety risks |
| Quality control | The arch is heavy and difficult to adjust in position | Mechanical arm construction operation, with precise adjustment of arch position | The robotic arm is precisely controlled and the installation position is precisely adjustable, making the steel support closely attached to the surrounding rock |
3、SHOTCRETE MACHINE
Suitable for spray anchor support operations in highway and railway tunnels, pumped storage power stations, hydropower stations, and underground caverns.
a、The mechanical arm has flexible movements, no dead corners during construction, and a wide working range;
b. Optional air compressor.
Double Cancel Assignment
Part/1 Cancel simple stand
1. The use of simple scaffolding poses a high safety risk to construction personnel;
2. Cancel the simple platform, workers do not need to climb up and down during construction work, and can work flexibly through the equipment's large platform.
Part/2 cancels the air compressor station outside the tunnel
Air compressor station outside the cave! NO!
VS 
Air compressor station The equipment comes with an air compressor
1. Building an air compressor station outside the tunnel is costly and requires many requirements. The maximum power of the air compressor station needs to meet the maximum air volume and pressure of various wind turbines, and it also needs to be equipped with waterproof, cooling, and insulation facilities.
2. The equipment comes with an air compressor, which is small in size and convenient to use. Operators can quickly complete the blasting hole cleaning operation, connect the air drill, and complete the construction of locking anchor rods and advanced small conduits through the equipment's built-in air compressor.
Economic explanation for double cancellation of assignments
| Project | Quantity | Unit price (yuan) | Total price (yuan) | |
| Simple stand | 7-8 people | 1 | 60000 | 60000 |
| Air compressor station | Air compressor | 6 | 60000 | 360000 |
| Construction costs | 1 | 50000 | 50000 | |
| Total (yuan) | 470000 | |||
Cancelling the simple test bench and the air compressor station outside the tunnel is expected to save 470000 yuan+
| More | Balancing multiple palm faces; Complete the loading of explosives for the vertical arch hole cleaning in one vehicle; One machine with multiple functions |
| Faster | Equipped with an air compressor that moves with the vehicle to improve process circulation |
| Better | No need for a simple stand, workers no longer climb up and down, safer |
| More economical | Exempt 470000 yuan from the construction and maintenance costs of self-made simple test benches and outdoor air compressor stations+ |
The tunnel excavation of the Wuxin consists of a three piece set (FACE DRILL RIG,PLATFORM LIFTER,SHOTCRETE MACHINE), which achieves the cancellation of both a simple gantry and an external air compressor station. It is "more, faster, better, and more economical", reduces the number of tunnel workers, reduces labor intensity, and greatly improves construction efficiency and economic benefits. Five new equipment makes tunnel construction safer, more economical, and more efficient!
