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Technical Support

Electric hydraulic excavator for coal mine, the power unit adopts 45KW or 55KW explosion-proof electric motor, absorbs domestic and foreign

On the basis of the advantages of similar products, the self-researched, developed and manufactured underground rock loading and clearing machine is compact and flexible.

.The upper frame can be rotated 360°, which can easily realize small-section rotation, which is suitable for excavation, undercover, rock breaking, loading, etc.

According to various requirements, it can complete many tasks such as digging ditches, cleaning floating coal, cleaning slag, and leveling roadways. The working devices are three

The boom structure can adapt to the requirements of roadway operations of different heights. It is equipped with a front bulldozer, which can level the roadway.

Surface and stable fuselage, climbing ability +30°. Equipped with a quick-change high-power breaker, which is convenient for quick replacement and crushing in the well.

The hammer impact energy is 1100J.

The working device can be equipped with an optional manipulator that can rotate 360°, which can grab pipelines and U-shaped sheds, walk and transport them to the construction site

It can be installed and supported; it can also be equipped with a milling machine, which has strong power and can meet all-round milling and mining of coal and rock.

The effect of brushing and repairing is remarkable.

project name

unit

Model: MWC7.8/0.32L

engine power

kW

80

Rated speed

r/min

2200

Working arm device

/

three-section boom

 

scope of work

Bucket capacity

m3

0.32

Digging radius

mm

5200

excavation height

mm

5000

unload height

mm

2500

Digging depth

mm

2000

 

Hydraulic system

Hydraulic system rated pressure

MPa

27

Hydraulic system maximum flow

L/min

140

Maximum temperature rise of hydraulic oil

K

50

Hydraulic oil maximum temperature

°C

75

 

running gear

walking drive

/

Integrated hydraulic motor reducer drive

walking form

/

crawler walking

ground pressure

MPa

≤ 0.1

Walking speed

km/h

0~5.0

Ground clearance

mm

330

Gradeability

.

+30

 

Hammer

Fixed work stress

MPa

11~14

Workflow

L/min

40~ 70

Shock frequency

Hz

7.5~16.5

impact energy

J

1100

Adapt to drill specifications

mm

68

Host turning radius

mm

<1800

Equipment size

mm

3200x 1500x2100 (+5)

Quality of work +5%

kg

7800+ 5%

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