Small crane parts price Crane parts gearbox price, small crane parts manufacturer Gearbox mainly refers to the car's gearbox, which is divided into manual and automatic. The manual gearbox is mainly composed of gears and shafts, which are produced through different gear combinations Variable speed and torque The automatic transmission is composed of a hydraulic torque converter, planetary gears and a hydraulic control system. Variable speed and torque are achieved through hydraulic transmission and gear combination. The functions are: 1. Change the transmission ratio; 2. Allow the car to drive backwards while the engine rotation direction remains unchanged; 3. Utilize neutral gear to interrupt power transmission so that the engine can start, idle, and facilitate transmission shifting or power output. .
1. Structure of small crane gearbox
The gearbox is mainly composed of gears and shafts. Different gear combinations produce speed and torque. The automatic gearbox is composed of a hydraulic torque converter, planetary gears and hydraulic pressure. The control system consists of a hydraulic transmission and gear combination to achieve variable speed and torque.
The functions are: 1. Change the transmission ratio; 2. Allow the car to drive backwards while the engine rotation direction remains unchanged; 3. Utilize neutral gear to interrupt power transmission so that the engine can start and idle, and facilitate transmission shifting or Perform power output.
2. Correct operation method of small crane gearbox
Crane gearboxes are generally divided into two types: manual transmission and automatic transmission. The manual transmission uses a drive shaft to drive different combinations of gears to achieve the speed change effect. The automatic transmission is divided into two types of gearboxes and gearboxes. Generally, small cranes use gearboxes. There is a big difference between gearbox and manual gearbox oil. The main components Some parts are hydraulic torque converters, planetary gears, etc. The planetary gears are driven by engine power, and the planetary gears can move to achieve the speed change effect.
3. Principle and structure of small crane steering gearbox
Principle of small crane steering gearbox
The hydraulic motor outputs a splined shaft and is installed with a pinion. The pinion drives a shaft and a large gear. The small gear of one axis drives the large gear of the second axis, and the turntable gear fixed on the second axis meshes with the turntable ring gear, thereby driving the upper plate to rotate 3 degrees to complete the hoisting work! The gearbox oil temperature of small cranes is high, which may be caused by many factors. When performing maintenance, the principles of first outside then inside, first simple then complex, and at the same time analyze the causes of small crane faults by asking, looking, checking and listening. Possible reasons: Improper operation, frequent accelerator increases, long-term overload work, long braking conditions, type, oil level, cleanliness of the torque converter operating fluid, and whether it is replaced regularly, etc.
The structure of the crane gearbox is a cylindrical straight tooth constant mesh power shift type, with two forward gears and one reverse gear. The speed ratio is .,.,reverse., and the shifting pressure is -kg/cm. Power is introduced from the input shaft, and both ends of the output shaft are connected to the front and rear axle drive shafts respectively. The rear end of the output shaft is connected to the rear axle drive shaft through the adapter plate, and the front end is connected to the front axle output shaft 3 through the adapter sleeve, and shaft 3 is connected to the front axle drive shaft through the adapter plate. When the adapter sleeve is in the position shown in the figure, the power is not transmitted to the front. When the axle coupling sleeve moves to the right and fits on the end of the output shaft, the power is transmitted to the front and rear axles at the same time, so that dual axle drive or rear axle drive alone can be achieved according to the driving resistance.
The crane gearbox is mainly composed of gears and shafts. Different gear combinations produce variable speed and torque. The automatic gearbox is composed of a hydraulic torque converter, planetary gears and hydraulic control system. Through hydraulic transmission and gear combination way to achieve variable speed and torque.
The structure of the small crane steering gearbox is
The gearbox is a two-stage reduction gearbox, a small gear on the motor output shaft. , a large gear on the shaft. , a small gear on one shaft - , two shafts The large gear speed ratio is::
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Small crane accessories price Crane accessories-gearbox price