Shijiazhuang Zhongmei Coal Mine Equipment Co., Ltd.

Pneumatic Coal Mine Tensioning Tools

Pneumatic Coal Mine Tensioning Tools
Product Detailed

It consists of QYB-0.45/70 Pneumatic Oil Pump and YDC cable tensioner.

The pneumatic oil pump feeds power of high-pressure oil to the cable tensioner. The key technology of the pneumatic oil pump is advanced oil supply by cycloidal pump and piston pump jointly, and with features of large delivery capacity, high efficiency and easy maintenance. Apart from above items

Fitting for stressing force bolting works in coal mine, tunnels and bridge. Its oil cylinder adopts special steel making it large tensioning power, reliable, well sealed and much durable, and easy to maintain and operate.

PARAMETER

MQ15-180/52

MQ18-250/63

MQ15-120/40

MQ22-370/63

HOST SYSTEM

RATED EXTEND STRESS(kN)

180

250

120

370

JACK RATED PRESSURE(MPa)

52

61

38

63

CABLE DIA.(mm)

15.24

17.8

15.24

21.8

EXTEND-RETRACT JACK

JACK TYPE

YDC-180/150

YDC-250/150A

YDC-120/150

YDC-370/125

CYLINDER DIA.(mm)

75

80

70

100

JOURNEY (mm)

150

150

150

125

CENTER HOLE DIA.(mm)

≤16.5

≤19

≤16.5

≤25

WEIGHT(kg)

≤18

≤21

≤16

≤29

PNEUMATIC OIL PUMP

MODEL

QYB-0.45/70

QYB-0.45/70

QYB-0.45/70

QYB-0.45/70

RATED WORKING PRESSURE(MPa)

70

70

70

70

RATED FLUX(L/min)

0.35MPa≥13.9,

0.35MPa≥13.9,

0.35MPa≥13.9,

0.35MPa≥13.9,

7MPa≥1.7,

7MPa≥1.7,

7MPa≥1.7,

7MPa≥1.7,

70MPa≥0.45

70MPa≥0.45

70MPa≥0.45

70MPa≥0.45

OIL AVAILABLE CUB.(L)

13

13

13

13

WEIGHT(kg)

33

33

33

33

OIL PRESSURE(MPa)

20-70

20-70

20-70

20-70

PNEUMATIC

AIR PRESSURE(MPa)

0.4-0.7

0.4-0.7

0.4-0.7

0.4-0.7

AIR CONSUMATION(L/min)

1.2

1.2

1.2

1.2

NOISE PRESSURE LEVEL (db(A))

≤90

≤90

≤90

≤90



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