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JZC-10 mine disposal vehicle hydraulic system design

# 183; 0 = 38.64kW3 brake hydraulic system design underground trackless transport | VIII preparation, the working environment, safe operation is essential. No rail transport equipment has been a lot of brake problems manufacturers, design institutes focus of the study, there have been a lot of braking in the form, from the earliest shoe brake, clamp-type brake hydraulic brake later and so the Brake Although very effective, but also very obvious shortcomings, this is the reliability is not high. As technology continues to progress, to the 20th century, 90's, the U.S. launched a new Clark Braking: Posi-Sto LCB spring brake port. The brake with spring brake and hydraulic Brake, high reliability, underground trackless transport equipment after using this brake in the form of greatly increased security. JZC a 10 underground dump truck brake design adopted this form. This is the advanced technology of foreign-made equipment used in a useful attempt. 3.1LCB characteristics of the spring brake spring brake ICB is the largest special security, and no rail transportation equipment in the event of failure during operation. First of all braking equipment, parking, to avoid accidents. Spring brake is highly integrated, it set brake,ugg boots billig, parking brake, emergency brake in one of the hydraulic system greatly simplifies the implementation, the equipment tends to be more compact form, reliability improved. Spring brake completely closed, under the harsh conditions in the environment, a relatively long life span,cheap ugg boots, almost no maintenance. Considered in the design of the highest security, even if all the losses in the brake lining material is extremely adverse circumstances that can generate enough brake braking torque. Spring brake can meet a variety of drive axle, universal good. Equipment failure in the engine need not drive traction, the brake hydraulic system also added a hand pump to lift the brake. 3.2 The structure of the spring brake spring brake installed on the drive axle wheel inside a sealed wet multi-disc brake. There ICB13150 and ICB16150 spring brake in two forms, their main difference is the number of different brake pad, the former three, the latter six are designed to release the brake pressure 15MPa. jzc-l0 underground dump truck with LCB13150 type. Because the smaller car load, so I chose a smaller brake braking torque. Mainly by the friction disc brake spring, fixed film, pistons, springs and other components. Brake and axle fixed between the hub and the brake is connected by a seal. Friction plate mounted on the splined hub, the stator installed in the internal splines on the brake. 13 into the pressure oil from the oil, when the pressure reaches a certain value to push the piston and compression spring, when the friction between the pressure plate and set pieces disappear. Brake released. The structure of the spring brake see [5] because the spring brakes interior space is small and the friction between the film and set pieces need more pressure, so the spring is a special rectangular springs. Spring number is 24, has been compressed during installation of some, the pre-compression volume is determined according to the vehicle's braking torque required. Lift the brake force must be greater than the spring pre-compression force. JZC an underground dump truck load of 10 smaller, less brake torque, temperature rise during braking is smaller, the heat generated by braking can eliminate the internal axle, the brake hydraulic system does not require cooling Riga device. 3.3 The braking torque M and the spring pre-compression to determine Ax trackless equipment requirements General maximum speed should be less than the braking distance running 5m, jzc a maximum speed of 10 underground dump truck for the 21km / h, braking acceleration n = 3.4m/s2. Maximum braking force F = T ・ n = 66300N. Wheel radius (that is, the tire radius) 1 = 0.611TI,ugg boots sale, then M = F ・】 = 40443Nm. Braking torque should be greater than M, the maximum braking torque can calculate the required friction plate on the spring brake pressure. Vehicle Liu Dingyuan:] zclo l bait car parts from the fluid F Ⅱ three four-wheel braking system 23. Xiang brush each round with 3 pieces 4 pieces set of 6 friction surface,ugg boots deutschland, friction surface 24 of the vehicle. Required braking torque of each friction surface M. = M/24 = 1685125Nm. A pair of wiping friction surface peak torque calculation formula is as follows: rRMl = l2d ・ P ・・ = (2 / 3) ・ (R A r) where: is the friction coefficient. Take O. 1; R is the radius of chip erase 0.19m. r is the radius of the O. 13m; the pressure between the friction surface, is calculated: 1.725MPa. Produced by the compression spring, piston force F = P ・ (R a r) = 1.04x10N. F is also deformed by the force spring,ugg boots sale, spring
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