Shandong China Coal Mining Mucking Loader Co., Ltd.
Hydraulic System
1,The main parts are top brands from home and abroad, the whole design is reasonable afrer several generations of updating
2,Overload feedback system is optional
3,Air cooling radiator with great power to ensure the steady of system oil temperature
4,Precision filter to prevent pollution of the hydraulic system, to protect the oil pumps and other hydraulic components.
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Working Arm |
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1,The structure parts of the big and small arm can be adjustable to adapt different working section |
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Chassis |
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1,The traveling motor is designed in the front to reduce the load to tensioning device from the guide wheel when equipment climbing slope |
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Optional
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Item |
Unit |
7HR-XS |
7HR-S |
|
A Digging width |
mm |
4800 |
5300 |
|
B Digging distance (from dozer blade) |
mm |
1820 |
1970 |
|
C Digging height |
mm |
2470 |
2940 |
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D Digging depth below ground level |
mm |
480 |
540 |
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E Dumping height |
mm |
1646(variable) |
1760(variable) |
|
F Min. dumping height |
mm |
1470(variable) |
1480(variable) |
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G Dumping distance |
mm |
1600(variable) |
1700(variable) |
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H Max. boom angle |
(° ) |
±55 |
±55 |
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I Adaptive tunnel dimension (Width x Height) |
m |
≥2.4 x 2.4 |
≥2.5 x 2.5 |
Main Overall Dimension
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Item |
Unit |
7HR-XS |
7HR-S |
|
|
Crawler contacting ground length |
mm |
2407 |
2407 |
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Crawler inner width |
mm |
941(variable) |
941(variable) |
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Crawler plate width |
mm |
350/450 |
350/450 |
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Ground clearance |
mm |
310(variable) |
310(variable) |
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Max. rock conveying size |
mm |
580 x 710 |
580 x 710 |
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Dimensions |
L x W x H (during transport) |
mm |
7710 x 1690 x 1990 |
8100 x 1690 x2100 |
|
L x W x H (during working) |
mm |
9222 x 1690 x 2247 |
9700 x 1690 x2310 |
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