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P15B (A) Mucking Rock Loader

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The rake bucket rock loader is suitable for loading in inclined shafts with horizontal and inclination angles less than 35 degrees uphill and in 90-degree corner roadways. It has the characteristics of high efficiency, compact structure and wide application range. It is also suitable for various metal mines, non-metal mines, coal mines, railway culverts, water conservancy and other construction projects. It is equipped with mine carts or skips for rock loading operations in roadway excavation.
  • P15B (A)

  • China Coal Group

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Product Description

JH15JS8KV6`X(ERBRC8

The rake bucket rock loader is suitable for loading in inclined shafts with horizontal and inclination angles less than 35 degrees uphill and in 90-degree corner roadways. It has the characteristics of high efficiency, compact structure and wide application range. It is also suitable for various metal mines, non-metal mines, coal mines, railway culverts, water conservancy and other construction projects. It is equipped with mine carts or skips for rock loading operations in roadway excavation.

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Technical transformation scheme of the rock loader

1) In order to prevent the friction between the wire rope and the fixed pin shaft of the guide pulley clamp plate, we have increased the distance between the pin shaft and the guide pulley. The original 40mm is changed to 80-100mm. The friction between the wire rope and the side plate is effectively reduced, and the service life of the side plate is prolonged.

2) According to the statistics of field use, the main friction position of the pin shaft of the side plate of the guide wheel of the rock scraper is located at the upper part, and the lower right side has less friction. Through the analysis of the mechanical structure of the guide wheel, we moved the position of the pin shaft above the guide wheel upward, increased the swing angle of the wire rope, and better prevented the friction between the wire and the pin shaft.

3) At the same time, move the pin shaft at the lower right of the guide wheel downward to the right, so that the wire rope will not contact the pin shaft. The friction of the lower pin shaft of the side plate is reduced.

4) By measuring and calculating the friction resistance requirements and wire rope diameter during the rotation and traction of the guide wheel of the rock scraper, we have deepened the rope groove of the guide wheel pulley, increased the friction resistance of the guide wheel, increased the traction capacity of the guide wheel, and effectively avoided the occurrence of rope skipping and sliding.

5) As the pin of the side plate of the guide wheel is easy to wear, we have changed the material of the pin and made it of wear-resistant material, which has extended the service life of the pin.

6) The original anti seize device was lengthened from half package to full package, and the anti seize device was made on the circumference of the whole pulley. The safety and reliability of the guide wheel are improved.  

Scraper rock loader is now an important equipment to complete the excavation project, so what makes it so popular in mine tunnels and other aspects?

1. The scraper rock loader can complete various operations such as rock loading, removing dangerous rocks, chiseling the top, trimming and trenching. Its aggregate pusher mechanism can make the aggregate more concentrated and easier to load.

2. The scraper rock loader can be used for underground excavation and mining of useful minerals, as well as loading minerals into trams. It can also be used to load loose materials on the ground.

3. It can not only load rocks in roadways up and down the mountain below 30 °, but also carry out parallel operations in the excavation process.

4. The scraper rock loader adopts sealed and lubricated tracks. The track shoes, pin sleeves and other motion joints of the walking part are quenched, with long service life, wear resistance and easy adjustment of the tensioning track device.

5. The bucket lip is made of special materials with high strength, wear resistance and long service life.

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Precautions for rock loader

1. During rock raking, the personnel must retreat to the outside of the rock raking machine to prevent injuries due to broken ropes and running rocks. As shown in Figure 2

2. During the operation, the driver must be highly concentrated, keep an eye on the running position of the scraper at any time, and conduct reverse operation in time after arriving at the loading or unloading site to prevent the scraper from damaging the equipment.

3. Water and dust must be sprayed when loading waste.

4. Gangue falling from each blasting must be completely loaded, and there shall be no accumulation of residual gangues on both sides. Gangues that cannot be reached by the scraper around the machine must be manually loaded.

5. If the scraper is blocked in the process of rock raking, it is not allowed to rake the rock forcibly. The scraper should be moved back slightly and then raked again. Large gangue must be crushed manually with a sledge hammer or air pick. It is strictly prohibited to break it with a paste gun.

6. When the rock property of the roadway floor is relatively soft, the rock raking strength shall be well controlled during the rock raking process to prevent the roadway floor from being too high below the rail surface and the floor from undulating.

7. During operation, the driver shall try not to tighten two operating handles at the same time to prevent the motor from blocking rotation and damaging the equipment or the scraper from flying up, which may cause safety accidents.

8. Do not touch the wire rope with hands or tools when driving.

9. When the rock scraper is working, the allowance of wire rope on the winch roller shall not be less than three safety rings.

10. When driving, the safety gear bar must be installed at the control side. Except for the driver, other personnel are not allowed to close to the rock scraper.

Product Parameters

JH15JS8KV6`X(ERBRC8

Model

P15B (A)

P30B(A)

P60B

P90B

P120B

P150B

scraper bucket volume (m3)

0.15

0.3

0.6

0.9

1.2

1.5

Production Capacity (m3/h)

15-25

35-50

70-100

95-140

120-180

150-220

Rail Gauge (mm)

600

600/900

600/900

600/900

600/900/1500

1500

Wire rope pulling force (KN)

7.2-10.4

12.3-18.5

20-28

31-50

37-55

52-72

Wire Rope Diameter (mm)

12.5

12.5-15.5

15.5

17

18.5

20

Motor

Power (kw)

YBB11-4 11KW

YBB17-4 17KW

YBB30-4 30KW

YBB45-4A 45KW

55KW

75KW


voltage (V)

380/660

380/660

380/660

380/660

380/660

380/660

Overall size (mm)

Length

5500

6110

6800

8610

1055

11000


Width

1170

1305

1850

2050

2250

2400


Height

1800

2000

2350

2745

2870

3000

Weight (kg)

2500

4750

6500

9800

12500

15000



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Address:No.11, North of Kaiyuan Road, High-tech Zone, Jining City, Shandong Province, China