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Plow Systems
RHH800

Plow Systems

RHH800

FOR EXTREMELY THIN SEAMS

The base-plate plow is used for extremely low seams down to 0.6 m (24 in) with a practical minimum height of approximately 0.8 m (31.5 in). The typical maximum seam height is approximately 1.6 m (63 in).

This system positions the plow chain on the gob side of the AFC, which makes it easily accessible for maintenance, a critical feature in low seam heights where working space is limited.

Top Specs

Cutting Height:
0.6 – 1.6 m (23.6 – 63 in)

Installed Power
2 x 400 kW (2 x 540 hp)

Weight
4400 – 6400 kg (9,700 – 14,109 lb)

The baseplate slides over the floor and underneath the line pans during operation. The integrated cleaning edge pushes coal from underneath the AFC back into the plow travel way.

The cast plow guide is welded to the gob side of the face conveyor. Plow chains of up to 42 mm in diameter can be used, allowing the use of up to 2 x 400 kW (2 x 540 hp) installed power. Both gob side and face side pan connectors have a breaking strength of up to 2 000 kN (220 tons), depending on the line pan being used.

Specifications / Technical Data

Name

Plow Length – Single Plow2384 mm7.82 ft
Plow Heights600-855 mm
820-1120 mm
1085-1385 mm
1350-1650 mm
1.97-2.81 ft
2.70-3.67 ft
3.56-4.54 ft
4.43-5.41 ft
Mechanical Height Adjustment255-300 mm0.83-0.98 ft
Maximum Cutting Depth190 mm0.62 ft
Weights Single Plow4400-6400 kg9,700-14,109 lb
Bottom Bit Positions
Position 1
Position 2
Position 3
Position 4

+24 mm
-5 mm
-18 mm
-37 mm

+0.08 ft
–0.02 ft
–0.06 ft
–0.12 ft
Maximum Drive Power2 × 400 kW2 × 536 hp

Dimensions – Plow Body Setup Option 1Dimensions – Plow Body Setup Option 2Dimensions – Plow Body Setup Option 3Dimensions – Plow Body Setup Option 4

Plow Body Setup Option 1 Plow Body Setup Option 2 Plow Body Setup Option 3 Plow Body Setup Option 4
1: 930 mm, 3.05 ft 1: 930 mm, 3.05 ft 1: 930 mm, 3.05 ft 1: 930 mm, 3.05 ft
2: 2384 mm, 7.82 ft 2: 2384 mm, 7.82 ft 2: 2384 mm, 7.82 ft 2: 2384 mm, 7.82 ft
3: 579 mm, 1.90 ft 3: 579 mm, 1.90 ft 3: 579 mm, 1.90 ft 3: 579 mm, 1.90 ft
4: – 4: 229 mm, 0.75 ft 4: 494 mm, 1.62 ft 4: 759 mm, 2.49 ft
5: – 5: 312 mm, 1.02 ft 5: 312 mm, 1.02 ft 5: 312 mm, 1.02 ft
6: 855 mm, 2.81 ft 6: 1120 mm, 3.67 ft 6: 1385 mm, 4.54 ft 6: 1650 mm, 5.41 ft
7: 822 mm, 2.70 ft 7: 822 mm, 2.70 ft 7: 822 mm, 2.70 ft 7: 822 mm, 2.70 ft
8: 337 mm, 1.11 ft 8: 337 mm, 1.11 ft 8: 337 mm, 1.11 ft 8: 337 mm, 1.11 ft

All dimensions are approximate.

Download Spec Sheet

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Base-plate Plow System RHH800