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Friction Mine Hoist Disc Brake Mining Machinery Parts

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Brand Name :	hongxin
Certification :	AISI
Price :	$200.00 / Piece
MOQ :	16

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Friction Mine Hoist Disc Brake Mining Machinery Parts

16Mn Material Multi Rope Friction Mine Hoist Disc Brake Mining Equipment

Detail Information
Warranty:	1 YEAR	Applicable Industries:	Manufacturing Plant, Energy & Mining
Type:	Brake Disc	Machine Type:	Mining Hoist
Material:	Carbon Steel	Processing Type:	Steel Sheet Blanking
Use:	Coal Mining	Application:	Coal Mining
Usage:	Brake	Key Words:	Mining Hoist Parts
Packing:	Wooden Box	Connection:	Flanged
Color:	Required	Advantage:	Wear Resistant

Hoist plays an important role in lifting personnel, materials and coal. The safe operation of the hoist directly affects the
safety of underground personnel and coal production. The working reliability of the mechanism is an important link to ensure the safe operation of the hoist.
Disc brake is the hydraulic actuatorapplied in mine hoist brake system, mainly used for JTP single cylinder 1.2m, 1.6m, 2m, 2.5m,3M mine hoist brake device. In the elevator when starting the hydraulic station output pressure oil on the brakes, lifting machine
to work, work brake, hydraulic station according to the condition of increasing or decreasing pressure, brake will provide braking frce on the contrary, in the case of accidents, the hydraulic pressure station to residual pressure, actuator with maximum braking force in the shortest time to hoist parking.
The hydraulic station is safe and control unit of mine hoist important, it and the disc brake has a complete set of braking
system, provide pressure oil can be adjusted for disc brake, the braking torque for different hoist, hoist the normal operation,
adjustable speed, parking mine. In any state of the accident, the disc brake can quickly reduce the oil pressure to a
predetermined value, after the delay, the disc brake all the oil pressure quickly return to zero. Make the hoist system in full
braking state.

The lifting mechanism has two main types
1 block brake: mainly used for the old KJ and KJA series hoist, according to its structure is divided into angular, translational,
integrated and so on
2) disc brake: nearly 20 years transplanted to the mine hoist brake machine, with small inertia, quick action, high sensitivity,
braking torque advantage of good regulation, at present most of the disc brake, especially in multi rope friction hoist, almost
all using disc brakes.
The Working principle of disc brake
The disc brake is produced by the disc spring, and the brake is pressed by the hydraulic pressure. When the braking state is used,
the spring force of the disc spring group is used for the brake. When the oil pressure is reduced to zero (the gate process), the
spring force generated by the compact disc spring pre mid shaft and disc spring push studs to the brake shoe wear compensation
effect, positive spring force is applied the brake shoe and the brake disc brake is attached to pressure, thereby restricting the
brake disc rotation trend. The cylinder pressure chamber filled with oil (boost brake process), when the oil pressure is gradually
increased to the working pressure, the piston and the brake shoe connected by oil pressure, overcome the pretightening force of
disc spring and spring compression caused the rearward displacement of piston, through a large hollow stud, drive shaft, brake
disc spring set wear compensation stud and drives the brake shoe after the shift, a gap is formed between the brake shoe and the
brake disc, thereby lifting the braking effect on the positive pressure of the brake disc

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