XCMG crane accessories Front axle adjustment arm 860523986 Automatic clearance adjustment arm
1. Description
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Applicable models XCMG QY25K5C_2 QY70KC QY50KC QY25K5D_2 QY25KC XCT35_BR QY25K5D_3 QY25K5D_3 QY25K5C_1 QY55KC_1 QY25K5F_1 QY50KC QY50K5C_1 QY25K5C_2 QY25K5F QY25K5C QY25K5D_2 QY30KC QY55K5C_2 QY25K5F_1 QY25K5D_1 QY30KC QY55K5D
XCT80L6 XCT130_1 XCT12 XCT80L6 XCT25L4_S XCA40_M XCA30_JY XCT25L5_3 XCT55L5 XCT110_1 XCT60L6 XCT12 XCT25L5_SR XCT25L5_2 XCT95L7 XCT75L7 QY110K8C QY95K7C QY110K7C XCT100 XCT75_S QY40KC XCT90 XCT25 XCT25L5_E QY70KC QY40K5C_2 XCT60L6_1 QY75KC QY100K7C QY95KH QY100K6C QY50JW XCT16_1 XCT100_BR XCT60 QY20K5D QY85KC XCT25 XCT80L5 XCT100 XCT20L5_1 XCT75L6 XCT20L5 XCT80_S XPD36 QY16KC QY16KC QY40K5D_1 QY25K5L XCA40 QY40KD QY80K5D QY70K5D_1 QY50KD QY20K5C XCT50_Y XCT16_Y XCT25L4_Y XCT80_Y XCT60_Y XCT50_Y and other XCT QY RT series models
2. Introduction of leveling action
2.1. Brake gap adjustment and automatic gap adjustment
Brake gap adjustment refers to the adjustment of the gap between the brake friction pair components - the brake drum and the brake lining. During the use of the car, frequent braking will lead to continuous wear of the brake components, resulting in the increase of the gap between the brake drum and the shoe to varying degrees, resulting in longer pedal stroke, lower brake air chamber thrust, and reduced braking force. Lag and reduced braking force.
In order to ensure the driving safety of the vehicle, maintain the relative stability of the pedal stroke and balance the work between the brakes, it is necessary to adjust the brake clearance (the adjustment mentioned here refers to the adjustment during use). The adjustment methods are divided into manual and automatic. Adjustment.
2.2. Automatic gap adjustment arm and its characteristics
With the increase of brake wear and brake gap, the untimely and randomness of manual adjustment can lead to inconsistent gaps between brakes, prolonged braking response time, wheel deviation, vehicle tailing and even brake failure. In order to solve the above problems, it is necessary to regularly check and manually adjust the brake clearance of the brake and keep it constant and consistent. The clearance adjustment of the drum brake is realized by the connecting rod system between the camshaft and the brake air chamber - the brake arm. There is a worm gear and a worm pair inside the brake arm. By adjusting the worm to rotate the worm gear to drive the cam to rotate, Eliminate excess clearance between friction pairs.
The gap automatic adjustment arm is set in the brake arm with an automatic adjustment mechanism to drive the cam to rotate to eliminate the excess brake gap outside the set gap between the friction pairs. The automatic gap adjustment arm has the following characteristics:
(1) Ensure that the brakes of each wheel have a constant and consistent braking gap, so that the braking of the whole vehicle is more sensitive, balanced and effective, and the braking distance is shortened. The best performance is especially important when the axles come from different manufacturers, and the brakes and friction pair materials are different. Manual regular adjustment will cause different brake clearances due to different wear between different brakes, resulting in uneven braking force distribution. .
(2) Shorten the braking reaction time and reduce the consumption of compressed air. Due to the elimination of excess clearance, the brake chamber can perform braking in the shortest stroke and in the best working area, resulting in the best braking performance, the shortest braking reaction time and the least air consumption.
⑶ Easy to install, easy to use and maintain.
3. Strength
XCMG Construction Machinery Co., Ltd. (abbreviation: XCMG Co., Ltd.) is an important member enterprise with the core business and the longest history of Xuzhou Construction Machinery Group Co., Ltd. (abbreviation: XCMG). It is a large-scale, product variety and series in my country's construction machinery industry. It is a 100 billion-level leading enterprise with complete, highly competitive, influential and national strategic position. At present, it ranks first in the domestic industry, third in the global industry, fourth in China's top 100 machinery industries, and 395th in the world's top 500 brands. It is a resounding business card for China's equipment manufacturing industry.
XCMG all-terrain cranes have profound technical accumulation and continue to lead the global crane technology revolution. The leading XC A1200 all-terrain crane is the eight-axle 1200-ton all-terrain crane with the highest lifting performance in the industry, and the world's first self-folding special boom for wind power.
The market share of XCMG truck cranes is nearly 60% in the country. XCMG's unique mature key technology improves performance in all aspects, creating excellent value for customers, with full coverage of arm length, stronger power, more prominent efficiency, more stable operation, more outstanding economy, and more reliable system.
