Zoomlion ZR250B Rotary Drilling Rig|Zoomlion Rotary Drilling Rig

Zoomlion ZR250B Rotary Drilling Rig

Permalink : http://product.cmsou.com/detail_MTY00---.html Last Updated : 2011-09-23

Zoomlion ZR250B Rotary Drilling Rig

Feature
Parameter
Components&Parts

1、Max depth of pore forming can reach 84m.
2、CumminsQSL9 supercharged medium-cooled electronic Controlling Engine, together with Zoomlion-specific control system, makes engine work at lowest fuel consumption at every rotating speed range.
3. Load sensing and load-sensing hydraulic pressure system，which control precision does not varied with the changing of load.
4. Low-strike rotation startup; high precision; stable and reliable system
5. Optimum designed luffing mechanism provides more reliable and safer operation.
6. The unique mast rotate plate design can make working more smoothly and assure a long service life.
7. Smooth up-down speed of luffing mechanism and mast
8. Binuclear controllers speed up operating，and make electrical control system more reliable.
9. New-generation Mast Vertical Degree Automatic Leveling System can auto- level the mast and overall Monitor the Up- down movement of the mast.
10. Zoomlion-patenting Drilling Depth Automatic Measurement
11. 10.4 inches Full-color touch screen with advanced man-machine interface
12. It can be equipped with drilling tools of different specifications and functions to meet Construction Requirements under different geologic conditions.

Max Drilling Torque		kN.m	250
Max Drilling Diameter		mm	2500
Max Drilling Depth	Locking Mechanism	m	70
	friction type	m	84
Drill Velocity		1/min	6~24
Engine Model			Cummins QSL9
Maximum Power		kW	252
rated engine speed		1/min	2000
Bending angle of mast		º	4.5
Lifting power of Master Winch(first level)		kN	250
Lifting speed of Master Winch(first level)		m/min	70
Lifting speed of assist Winch(first level)		kN	110
Stress		kN	180
Pulling power		kN	200
going board rotation speed		1/min	3.2
walking speed		km/h	2.26
track gauge		mm	2300~3600
length of crawler contact ground		mm	4675
width of soleplate		mm	800
Theoretical climbing ability		%	40
Width of device in working state		mm	4400
Height of device in working state		mm	23050
Width of device in transisting state		mm	3100
Height of device in transisting state		mm	3500
Length of device in transisting state		mm	17310
Gross weight		t	77.5

	hydraulic motor
	1. the supercharged, medium-cooled and electrically-controlled engine works normally over 4500m altitude. 2. the international fashionable luffing mechanism let the backstay parallel to, close with and keep away from the block； 3. the backstay with box design and three-segment folding can rise and decline automatically so that it has good intensity and stiffness； 4. the hydraulic pressure system with hydraulic precursor and proportional operation is controlled by Load sensing and load-sensing, and it has high efficiency, Energy Saving and high precision control.
	man-machine engineering control panel
	1. the ten-range engine-rotating speed can be controlled by automatic power, which can lead the closed-loop control of the rotating speed of the engine, hydraulic pressure system pressure and the displacement of major pump so that the engine will not be over loading； 2. Automatic Leveling System is controlled by backstay during the whole process of rising and declining, and carries out real-time monitoring to the Verticality of the backstay.
	bus-mastering computer center control system
	1.the ten-range engine-rotating speed can be controlled by automatic power, which can lead the closed-loop control of the rotating speed of the engine, hydraulic pressure system pressure and the displacement of major pump so that the engine will not be over loading； 2. Automatic Leveling System is controlled by backstay during the whole process of rising and declining, and carries out real-time monitoring to the Verticality of the backstay. 3.the operating platform of man-machine engineering, the dual loading with figure and picture, man-machine interface with Concurrent Integrated True Color Displaying； 4. Intellectualized Alarm System and intellectualized Fault Detection System .
	bus-mastering computer center control system
	The computer center control system is bus-mastering.
	hydraulic motor
	1. The supercharged, medium-cooled and electrically-controlled engine works normally over 4500m altitude. 2. the international fashionable luffing mechanism let the backstay parallel to, close with and keep away from the block； 3. the backstay with box design and three-segment folding can rise and decline automatically so that it has good intensity and stiffness； 4. The hydraulic pressure system with hydraulic precursor and proportional operation is controlled by Load sensing and load-sensing, and it has high efficiency, Energy Saving and high precision control.

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Zoomlion ZR250B Rotary Drilling Rig

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