2021 China New Design Tunnel Digger Machine - TR230 Rotary Drilling Rig – Sinovo

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2021 China New Design Tunnel Digger Machine - TR230 Rotary Drilling Rig – Sinovo Detail:

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Technical Specification

Engine	Model		SCANIA/CAT
	Rated power	kw	232
	Rated speed	r/min	2200
Rotary head	Max.output torque	kN´m	246
Rotary head	Drilling speed	r/min	6-32
Max. drilling diameter		mm	2000
Max. drilling depth		m	54/68
Crowd cylinder system	Max. crowd force	Kn	215
	Max. extraction force	Kn	230
	Max. stroke	mm	6000
Main winch	Max. pull force	Kn	240
	Max. pull speed	m/min	65
	Wire rope diameter	mm	28
Auxiliary winch	Max. pull force	Kn	100
	Max. pull speed	m/min	65
	Wire rope diameter	mm	20
Mast inclination Side/ forwards/ backwards		°	±3/3.5/90
Interlocking Kelly bar			ɸ440414.5m
Friction Kelly bar (optional)			ɸ440515m
	Traction	Kn	410
	Tracks width	mm	800
	Caterpillar grounding Length	mm	4950
Working Pressure of Hydraulic System		Mpa	32
Total weight with kelly bar		kg	76800
Dimension	Working (Lx Wx H)	mm	7500x4500x22370
Dimension	Transportation (Lx Wx H)	mm	16300x3200x3590

Product Description

TR230D Rotary Drilling Rig is new designed self-erecting rig mounted on original Caterpillar 336D base adopts advanced hydraulic loading back technology, integrates advanced electronic control technology, which makes the whole performance of TR230D rotary drilling rig reach advanced worldTR250D rotary drilling rig is specially designed to suit the following applications:

Drilling with telescopic friction or interlocking kelly bar-standard supply

Drilling cased bore piles( casing driven by rotary head or optionally by casing oscillator CFA Piles by means of continue auger

Either crowd winch system or hydraulic crowd cylinder system Displacement piles; Soil -mixing

MAIN FEATURES

Retractable original CAT chassis with Efl turbocharged engine ensures the stability of the whole machine meet the performance lications and construction environment Advanced main pump adopted negative flow constant power variable automatic control, which can realize the optimal matching in the load and the output power of engine.

Width of crawler can be adjusted between 3000 and 4300m

counterweight moved back wards increases the stability and reliability

The key components of the hydraulic system adopts Caterpillar hydraulic system as the main circuit and the pilot control circuit With the advanced loading back technology, the flow be distributed to each part of the system according to needs, which achieves better match in various working conditions Pilot control makes the operation flexible, comfortable, exact and safe. Various kinds of hydraulic elements adopted world famous brand, such as Rexroth, Parker, etc. ensure the hydraulic system high reliability.

Each operating devices adopt high pressure design; the max pressure is 35MPA, which can achieve high power and full load work.

Electric systems are from Pal-fin auto-control, optimal design of electric control system improves the control accuracy and the food back speed Equipped advanced automatic switch of manual automatically, and guarantee a verticality condition during operation

TR230D has separated auxiliary winch collocated on the mast from triangle parts, good view and maintenance more convenient. The main winch has highlights of touch-bottom protection, priority control and fast line speed, which can greatly increase main winch releasing speed and decrease ineffective working time.

Compacted Parallelogram structure reduces the length and height of the whole machine, thus reduce the machine,’s requirement on the work space, easy transportation.

TR230D adopts professional rotary head equipped BONFIGLIOLI or BREVINI reducer, and REXROTH or LINDE motor, and rotary head available in three drilling modes-standard, low speed and big torque or high speed and small torque; spin-off is optional.

Heavy damping spring on the base of multilevel shock absorption design, which ensures greater safety of operation.

The special lubricating system makes sure that the rig can work in high or low temperature environment and effectively prolongs rotary head’s service life.

More reasonable depth measuring device.

The newest designed winch drum structure is to avoid steel wire rope tangling and lengthen the service life of steel wire rope.

A large-space soundproofed cabin with high-power air condition and luxurious damping seat, provides driver high-comfort and pleasured working environment. At two side, there are very convenient and humanization-designed operating joystick, Touch screen and monitor show the parameters of system, includes warning device for abnormal situation. The pressure gage can also provide more intuitive working condition for the operating driver. It has the pre-automatic detection function before starting the whole machine.

Various safety equipments provide comprehensive protection