Single-transmission high-pressure roller mill and pressure regulating device thereof
The technology of a high-pressure roller mill and a pressure regulating device is applied in the field of high-pressure roller mills, which can solve the problems of damage to the motor and the belt pressure regulating device of the reducer and high cost, and achieve the effects of low manufacturing cost, scientific design and simple structure.
Pending Publication Date: 2020-07-03
长沙坚韧机械有限责任公司
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Problems solved by technology
[0004] But according to figure 1 It can be seen that the voltage regulating device is controlled by the motor belt. In the process of voltage regulation, the output shaft of the motor needs to be connected to a large-power reducer, which costs a lot. After the belt drives the wheel to rotate, it is driven through a screw connection to realize the drive shaft. When the transmission shaft moves to the limit, if the motor is not stopped in time, it may cause irreversible damage to the motor, reducer, belt and pressure regulating device.
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[0022] refer to figure 1 : The roller mill of the prior art adopts belt drive, and after the output end of the motor passes through the speed reducer, the rotating shaft 2 is driven to rotate by the belt, thereby advancing the spring and pressing the roller shaft. In the prior art, if the rotating shaft 2 rotates to the limit, the motor still If it is not stopped, it is easy to cause irreversible damage, and the prior art requires a reducer with a large reduction ratio, because the rotating shaft 2 is directly driven after deceleration, and the cost of the reducer is high.
[0023] refer to Figure 2~3 : the pressure regulating device of a kind of single-drive high-pressure roller mill of the present embodiment, comprises decelerating motor unit 1, rotating shaft 2 and fixed shaft 3, and decelerating motor unit 1 controls rotating shaft 2 to rotate, and rotating shaft 2 is threaded with fixed shaft 3 connection, the rotating shaft 2 is set with a friction wheel 4, the output ...
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The invention discloses a single-transmission high-pressure roller mill and a pressure regulating device thereof. The pressure regulating device of the single-transmission high-pressure roller mill comprises a gearmotor set, a rotating shaft and a fixed shaft, the gearmotor set controls the rotating shaft to rotate, and the rotating shaft and the fixed shaft are in threaded connection. The pressure regulating device is characterized in that a friction wheel sleeves the rotating shaft, the output end of the gearmotor set is connected with a friction shaft, and the friction wheel and the friction shaft are in rolling friction connection. Traditional mechanical transmission is replaced with friction transmission, and after the rotating shaft moves to a limiting position, even if a motor is not stopped in time, irreversible damage to other devices does not occur; and meanwhile, the structure is simple, design is scientific, the pressure regulating device is used for the roller mill, a high-power reducer is not needed, thus the manufacturing cost is low, the failure rate is low, and using is convenient.
Description
technical field [0001] The invention relates to a high-pressure roller mill, in particular to a single-drive high-pressure roller mill and a pressure regulating device thereof. Background technique [0002] High-pressure roller mill is a kind of crushing equipment widely used in cement industry. Its working principle is to crush raw materials through the rotation of two high-pressure rollers. Because of its small footprint, energy saving, fine crushing particle size and With the advantages of large processing capacity, it has been widely used in mining, chemical, building materials and other industries in recent years. [0003] For example, "A Single-Drive High-Pressure Roller Mill" with application number CN201520777272.2, which includes: frame, auxiliary crushing roller, main crushing roller, driven gear, driving gear, bridge gear, auxiliary drive shaft, main drive Shaft, rocker arm shaft, spring assembly, pressure regulating device, material baffle, cooling bearing seat,...
Claims
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IPC IPC(8): B02C4/32B02C4/42B02C4/02B02C4/28
CPCB02C4/32B02C4/42B02C4/02B02C4/28
Inventor 陈韧坚栗新辉唐友余
Owner 长沙坚韧机械有限责任公司