Underground concrete spraying truck ZDPB20T is a reliable spray tool with special research and development on surface hardening and forming concrete support layer based on actual working conditions and needs of the underground and successful experience of many domestic wet shotcrete trolleys and automatic control.
Underground concrete spraying truck ZDPB20T is a reliable spray tool with special research and development on surface hardening and forming concrete support layer based on actual working conditions and needs of the underground and successful experience of many domestic wet shotcrete trolleys and automatic control.
ZDPB20T
Underground concrete spraying truck ZDPB20T is a reliable spray tool with special research and development on surface hardening and forming concrete support layer based on actual working conditions and needs of the underground and successful experience of many domestic wet shotcrete trolleys and automatic control. (See the image on the right for shape of the trolley).
The ZDPB20T is mainly composed of an injection system and a chassis system.
The injection system is driven by a 37kw motor and the control system is provided with remote control mode, therefore, the whole machine realizes automatized and parameterized control. The conveyor system is driven by the motor with no exhaust emissions, which greatly improves the underground operating environment.
The chassis system is driven by the original imported Deutz water-cooled diesel engine with a maximum power of 103kw, which meets the National Ⅲ Emission Standard. It adopts hydraulic mechanical transmission, with 4×4 drive, mine hinged chassis and four-wheel wet brake, which can better adapt to the mine operation.
Technical Data
| Category | S.N | Item | ZDPB20T |
| Chassis assembly | 1 | Dimensions | 7462×1997×2463mm |
| 2 | Turning radius | Inside 3870/Outside 6133mm | |
| 3 | Engine | Deutz diesel engine | |
| 4 | Rated power | 103kw | |
| 5 | Emission Standards | National Ⅲ Emission Standard | |
| 6 | Chassis form | Hinged chassis used for mines | |
| 7 | Transmission form | Hydraulic mechanical transmission | |
| 8 | Driving speed | 3 gears，0-26km/h | |
| 9 | Braking System | Four-wheel wet double-circuit brake: Parking brake is spring brake, hydraulic release; Service brake is hydraulic brake, spring release. |
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| 10 | Maximum gradability | 15° |
| Category | S.N | Item | CSPB20T |
| Concrete injection system | 1 | Conveying form | Piston type hydraulic control, automatic switching of S swing pipe valve |
| 2 | Theoretical pumping capacity | 20m³/h | |
| 3 | Maximum particle size allowed | 16mm | |
| 4 | Hopper volume | 520L | |
| 5 | Feed height | 1200mm | |
| 6 | Robotic arm control | Full hydraulic four-section three-fold, wired/wireless remote control mode | |
| 7 | Maximum spray height | 8m | |
| 8 | Maximum spray width | 16m | |
| 9 | Nozzle spray range | With six of degrees of freedom, 240° spherical range jet, and automatic brushing | |
| 10 | Drive form | Motor for normal drive and diesel engine for emergency drive |
| Category | S.N | Item | ZDPB20T |
| Accelerator system | 1 | Form | Driven by motor and conveying volume is adjustable |
| 2 | Filling capacity | 50-600L/h | |
| 3 | Accelerator | Bottled liquid accelerator | |
| 4 | Control system | Synchronous output with concrete pumping volume, which is adjustable | |
| 5 | Connection with nozzle | Input on both sides | |
| Cleaning system | 6 | Form | Hydraulically driven, plunger pump with high pressure water gun |
| 7 | Tank volume | 130L | |
| 8 | Output capacity | 11L/min | |
| Air compressor | 9 | Form | Motor drive, screw air compressor |
| 10 | Maximum air supply | 7.5m³/min |
Depending on strong technical capability and rich experience, ZONGDA provides the EPC service to the domestic and international clients and has abundant EPC project experience in China.
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