Ultra Large Rock Splitter

Ultra Large Rock Splitter

Ultra-large rock splitters are mounted on a regular excavator and used for excavation of large volumes of hard to very hard rock.
Explosives or large rock breakers are the normal methods for excavation of hard rock. But restrictions on blasting are getting stricter and the use of rock breakers is not always feasible due to vibrations, noise restrictions or simply to hard rock. Yamamoto ultra-large rock splitters offer an alternative method for efficient excavation of large volumes of hard rock without the need for explosives, vibrations or fly rock. The splitter can be mounted from a crane or a normal excavator for open pits or shafts, or mounted on a specialised carrier for horizontal tunnelling.
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Product Details

Intraductin of Ultra-large rock splitters:

Hydraulic rock and concrete splitters provide a powerful and extremely cost-effective alternative to other conventional demolition techniques. Hydraulic splitting means controlled splitting, and this method eliminates shock waves, vibrations, dust and noise that large impact tools usually produce. DARDA rock and concrete splitters have been used with great success in over 80 countries for the past 30 years. The high quality, reliability and durability of the equipment is unsurpassed.

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How the hydraulic splitter works:

Conventional demolition techniques destroy rock and concrete by using an external force. However, because of their compressive strength, these materials are highly resistant to impact forces. For optimum results, one should adopt a splitting technique that works from the inside of the material, because rock and concrete have a lower tensile strength. The DARDA hydraulic splitters were developed to do just this and work according to a safe and proven wedge principle. 

First of all, a hole is drilled to a specified diameter and depth using an ordinary rock drill. Then the wedge set is inserted into the hole with the wedge in a retracted position. The hydraulic pressure then forces the wedge between the two counter wedges, pressing them against the walls of the drilled hole. The effective splitting force of up to 413 tons or 4048 kN breaks concrete and rock from the inside, breaking thinner iron rods at the same time. 

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Product parameters:

 

Technical parameters of airborne split machine

model

Split block length

mm

drilling depth

m

nominl workig pressure MPa

disruptive forceT

crack width

Opposite hole form

 

Machine weight 

KG

ZT220-P90

800-900

1300mm

24-25

3300-

3600

25-

30

The chain of manual hole

600

ZT260-P100

950-1000

1700mm

24-25

4400-

5200

30-25

The chain of manual hole

650

ZTN50-P100

1000-1200

2100mm

24-25

6000

30-25

The chain of manual hole

730

factory of ultra larger rock splitter

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