15 20 25 30 35 40 M3 Capacity Integrated Automatic Concrete Spray Sparying Sprayer Gunning Wet Spraying Machine Construction Tunnelling Support Normet Shotcrete

Product Description

GP-20JT Integrated Shotcrete machine/Concrete spray machine/Sprayer machine/Shotcrete gunning machine//Wet spray shotcrete for tunnelling support
Product introduction
GP-20JT engineering concrete wet spraying jumbo is an upgrade of the product to adapt to the current tunnel construction. It is a electro-hydraulic integrated concrete spraying equipment which has absorbed the advantages of domestic and foreign famous brand products in design and manufacturing. The performance parameters have reached and exceeded the level of similar international products. It adopted heavy-duty articulated chassis design, reasonable structure layout, flexible. Meanwhile, with build-in 45kw air compressor, which make the operation much easier with higher efficiency.
The key parts of the engineering concrete wet spraying jumbo, such as the robotic arm, pumping system, hydraulic system, electrical system, etc., adopt international and domestic well-known brand products. The electrical system has PROFINET technology, and the engineering machinery controller based on the embedded system is the core. It is a real-time, effective, and flexible new control system that realizes the integration of electromechanical and hydraulic control. It is fully responsible for the engine, hydraulic pump, hydraulic control valve and the composite control of the whole machine detects and protects the engine, hydraulic system and working state in real time, thus ensuring the high reliability and high stability of the whole machine.
GP-20JT engineering concrete wet-spray jumbo has excellent structure, firmness and strong impact resistance. There are no blind spots in the construction of the working arm; the advantages of high construction efficiency fully reflect the company's tenet of "make construction easier".
Main configuration table

Seq.	Component	Supplier/Brand	Remarks
1	Engine	CUMINS	National III, 81KW/2200rpm
2	Main pump	PUSHDRIVE
3	Travelling pump	LINDE-HYDRAULICS
4	Travelling motor	LINDE-HYDRAULICS
5	Master valve	HUADE HYDRAULIC
6	Arm frame multi-way valve	KEMAI HYDRAULIC
7	Swing cylinder	LIANSHENG HYDRAULIC
8	Axle and gearbox	FENYI
9	Remote Controller	UTECH/CYBER
10	Controller	CHINA FAMOUR BRAND
11	Steering wheel	ZHONGZHI
12	Air compressor	WINDBELL MACHINERY
13	Electric motor	LIUAN HUITE
14	Transmission axle	WANFENG
15	Cable reel	CHINA

Main technical specifications
Dimension(L×W×H): 7100×2350×2450mm
Total weight: 11t
Pumping system:
Theoretical spraying displacement: 20 m3/h
Cylinder bore: ф140mm
Cylinder stroke: 1000mm
Maximun aggregate size: ф15mm
Outlet pressure of concrete: 60bar
Filling height: 1350mm
Hopper volume: 0.3m3
Traveling system:
Engine: 81kW/2200rpm
Driving axle: Wet hydraulic brake axle
Travelling/Steering: Four-wheel drive, articulation steering
Articulation angle: +/-47.5°
Wheelbase×Wheel tread: 3920×1540mm
Minimum turn radius: 3215/5845mm
Minimum ground clearance: 280mm
Maximum gradeability: 16°
Traveling speed: ≤18km/h
Braking distance: ≤3.5m
Robotic mechanical arm:
Maximum spraying height: 8.8m
Maximum spraying distance: 7.4m
Maximum spraying width: 14.8m
Swing angle of arm: 270°
Rotary angle around the nozzle: +/-180°
Left-right turn angle of nozzle: +/-120°
Swing angle of nozzle: 8°(consecutive)
Pitch angle: -30°-+60°
Accelerator system:
Accelerator pump model: JXHIN-20
Driving mode: Hydraulic
Accelerator displacement: 0~400L/h
Maximum outlet pressure: 12bar
Hydraulic system:
Main motor power: 37kw
Main motor rotation: 1475rpm
Main motor voltage: 440V OR ANY
Oil tank volume: 270L
Degree of hydraulic oil pollution: NAS1638-9
Main pump displacement: 95/33/23/23 ml/r
Air compressor:
Motor power: 45kw
Flow rate: 9.2m3/min
Spraying trajectory
Horizontal Spray: The mechanical arm can rotate 270°in the horizontal direction. It adopts two-stage telescoping. and the maximum spray diameter is about 14.8 meters.
Vertical Spray: the big arm can be raised upward by 60°and raised down by 30°. The maximum spray height is 8.8 meters, and the downward spray can be 3 meters.
OVERALL REVIEW
Main components display

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