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pile driving, extracting and drilling, guardrail install and maintenance, solar installation, competitive price, good quality - details see: https://www.machineto.com/hydraulic-post-hole-digger-10113671

1. Functions

1.1 Pile Driving Function: YZ330 Hydraulic Guardrail Post Driver and Extractor and Driller is a designed to install and maintain the highway anti-collision guard rails and solar posts, especially be applicable for driving the guardrail post in newly constructing highways. It is also used for the pv installation, solar cells and solar panels installation.

1.2 Pile Extracting Function: With the same hydraulic system for extracting poorly driven or incorrectly positioned posts or road maintenance work, it is a professional machine for extracting the posts out of any conditions of ground.

1.3 Pile Drilling Function: This equipment can drill the holes on the concrete road, rock, granite and other very hard road conditions, then install the posts into the holes easily.

2. Features

2.1 YZ330 Hydraulic Guardrail Post Driver and Extractor and Driller is composed of chassis, upper column, hydraulic system, hydraulic hammer, diesel engine, electric system, cooling system, control system, pile extracting equipment and pile drilling equipment. It has the characters of quick and exact positioning, compact size, lightweight, self-propelled, quick moving, humanized design, easy operation, high efficiency, low price.

2.2 When you use a tow truck or trailer to tow the machine to the working site by the towing device with high speed, first you need to lay down the upper column by hydraulic system and disassemble the traveling roller chain. The up and down, longitudinal and transverse shift, horizontal slide of the column are realized through hydraulic system.

2.3 The hydraulic hammer or pile drilling equipment is installed onto the upper column and be downward and upward along the track of the column for pile driving or drilling working by hydraulic system. You can not use the upward force of the hammer to extract the piles out of the ground directly or it may damage your machine, we suggest you to choose our professional Pile Extractor for extracting the piles out of any kind of ground.

2.4 It has very famous brand diesel engine Changchai with electrical starting equipped, which has a stable performance, simple operation and maintenance and very long service life.

2.5 The control system is equipped with multiple directional control valve and centralized hydraulic control rods which makes the operation simple and convenient.

2.6 It can install piles up to 3m (9.84’) in length, but on request the machine can be supplied with extension columns which can install piles up to 3.5m (11.48’) or even 4m (13.12’) long.

2.7 The pile drilling equipment adopts hydraulic system and wind-driven principle, matched with air compressor, the drilling equipment is formed of hydraulic motor, connecting device, connecting rod, pneumatic percussion hammer and drill bit. The motor is hydraulic operated, the drill is operated by compressed air.

2.8 The pile driving equipment, pile extracting equipment and pile drilling equipment share one chassis, is the most economical investment for getting the three functions. You can install any equipment onto the chassis according to your working need.

3. Main Technical Specifications

Overall Parameters	Type	YZ330
	Rated Power	24 KW
	Wheel Track	1670 mm
	Hydraulic System Pressure	16 MPa
	Hydraulic System Flow	50-55 L/min.
	Traveling Speed	0-15 km/h
	Tow Speed	Around 70 km/h
Hydraulic Pile Driver and Extractor	Size (L×W×H)	4000×3200×1900 mm
	G.W.	2500 KG
	Weight of Hydraulic Hammer	300 KG
	Dia. Of Drill Shank	70 mm
	Impulsive Pressure	10-16 MPa
	Impulsive Frequency	10-15 Hz
	Pile Driving Force per Stroke of Hammer	Around 250 KN
	Pile Extracting Force	Around 250 KN
	Working height	≤3000 mm
Hydraulic Driller	Size (L×W×H)	2300×3200×1900 mm
	G.W.	2200 KG
	Rotated Speed of Hydraulic Pump	2200 r/min.
	Working Air Pressure	0.5-0.7 Mpa
	Air Flow	10 m3/min.
	Diameter of Drilling Holes	125-180 mm
	Max. Drilling Depth	Around 1500 mm
	Displacement	150 ml/r
	Rotating Speed of Drilling Equipment	190 r/min.
	Working Efficiency	250 mm/min.