Power Output Gear
Structural Characteristics
Gear tooth structure: there are a variety of tooth shapes, such as involute tooth shape, smooth transmission, high bearing capacity; Cycloidal tooth shape, high transmission efficiency, low wear. Parameters such as modulus, number of teeth and pressure Angle of the gear teeth are designed according to different transmission needs. The modulus determines the size and carrying capacity of the gear teeth, the number of teeth affects the transmission ratio, and the pressure Angle affects the transmission power and stability.
Hub and shaft hole: hub is the part that connects the gear teeth and shaft to provide support and positioning for the gear, the shaft hole is used to match with the drive shaft, may have a keyway, spline and other structures, so that the gear and shaft are reliably connected to transmit torque.
Other structures: Some power output gears may be provided with an annular oil groove and an oblique oil hole leading to a central through hole on the end face to improve lubrication and reduce wear.
Working Principle
Transmission based on mesh: The power output gear meshes with other gears and transmits power by mutual contact and friction between tooth profiles. The teeth of the driving gear push the teeth of the driven gear, so that the driven gear rotates, and the power is transferred from the drive shaft to the driven shaft.
To achieve movement and force conversion: by changing the tooth ratio of the gear, you can change the speed and torque size, to achieve deceleration or growth transmission. When decelerating, the torque increases and the speed decreases; When increasing, the torque decreases and the speed increases to meet the needs of different working parts.
Application Scenario
In the field of industrial machinery: in the feed system and main shaft transmission system of various machine tools, the power output gear transmits the power of the motor to the workbench, tools and other components to achieve accurate motion control; In the crane, conveyor and other equipment, it provides power for the lifting mechanism and the conveying mechanism to ensure the lifting and transportation of materials.
Automotive field: In the transmission of automobiles, the power output gear transmits the power of the engine to the drive shaft with a suitable transmission ratio according to different driving conditions, and then to the wheels; In the transfer box of the car, the power output gear distributes the power to the different drive axles to achieve the four-wheel drive or multi-drive function of the vehicle.
Aerospace field: In the engine transmission system of aircraft, the power output gear transmits part of the power of the engine to the generator, hydraulic pump and other auxiliary equipment; In the landing gear retracting mechanism of an aircraft, power is provided for retracting and lowering the landing gear.
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Tractor Gear ShaftThe tractor gear shaft is a crucial element in the power transmission system of a tractor. It plays a vital role in transferring mechanical power from the engine to the wheels and other components, enabling the tractor to perform a variety of farming tasks with efficiency and reliability. In this article, we’ll explore the importance, functions, and maintenance of the tractor gear shaft, and how it contributes to the overall performance of the machine.
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Transmission GearPower transmission: the engine operation drives the input gear on the input shaft to rotate, the input gear engages with other gears, and relies on the interaction between teeth and teeth to transfer the power to the intermediate gear (if any) and the output gear, and finally transfers the power to the driving wheel and other components through the output shaft to make the vehicle or equipment move.
Variable speed principle: Change the transmission ratio by meshing gears with different numbers of teeth. For example, when the big gear drives the small gear, the speed of the small gear will be faster than the big gear, but the output torque will be smaller, to achieve growth and torque reduction; On the contrary, when the pinion drives the big gear, the speed of the big gear slows down, the torque increases, and the torque increases. In this way, transmission gears enable the vehicle or equipment to obtain the right speed and torque under different working conditions -
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Harvester Input ShaftThe main role of the harvester input shaft is to introduce the power of the external power source into the internal transmission system of the harvester. When the power source (such as an engine) is running, the torque generated is transmitted to the input shaft through the connecting parts, causing the input shaft to start rotating. The gear, pulley or sprocket and other transmission parts installed on the input shaft will rotate with the rotation of the input shaft, and then transfer the power to the subsequent transmission parts and working parts, such as driving the cutting device, conveying device, threshing device, etc., to complete the crop harvesting, conveying, threshing and other work processes.
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