Downward-transportation belt conveyor broken-belt grasping energy absorption device and energy absorption method
A technology of belt conveyors and energy-absorbing devices, which is applied in the direction of conveyor control devices, conveyor objects, transportation and packaging, etc., can solve problems that affect the secondary utilization of broken belts, endanger workers' lives, and broken belts, etc., to achieve Improve the secondary utilization rate, ensure the safety of personnel, and avoid the effect of strong impact
Inactive Publication Date: 2015-04-08
CHINA UNIV OF MINING & TECH
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Problems solved by technology
[0002] The belt conveyor is easy to cause the belt to break during the process of large inclination, large capacity, and long-distance transportation.
For the upward belt conveyor, the broken belt capture method is very mature; but for the downward belt conveyor, due to the great kinetic energy of the belt after the belt is broken, if the traditional capture method is used, the material on the belt will be Throwing due to inertia, in severe cases, the belt catcher will collapse, posing life-threatening danger to workers
In addition, the traditional capture method relies on the friction between the capture device and the belt to consume the kinetic energy of the broken belt, which will inevitably damage the belt and affect the secondary use of the broken belt.
Method used
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[0015] The direction of movement of the down belt conveyor is A, and the solenoid valve 8 is placed in the middle position. If the down belt 1 breaks at "I", the belt on the right side of the break will accelerate along the direction A, and the catch device 2 will grasp it tightly. After the fractured belt, the fracture of the belt will produce a great impact along the A direction. At this time, the catch device 2 acts on the energy absorbing device 5 through the guide device 4, so that the energy absorbing hydraulic cylinder 6 in the energy absorbing device 5 The pressure in the small chamber suddenly increases until it exceeds the set pressure of the pressure relief valve 7. At this time, the valve port of the pressure relief valve 7 is opened, the catch device 2 and the guide device 4 slide along the displacement device 3 in the direction A, and the energy-absorbing hydraulic cylinder 6 The piston rod stretches out, and the volume of the small chamber of the energy-absor...
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The invention discloses a downward-transportation belt conveyor broken-belt grasping energy absorption device. The downward-transportation belt conveyor broken-belt grasping energy absorption device comprises a capturing device, a displacement device, a guide device and an energy absorption device; one end of the guide device is connected with the capturing device, the other end is hinged to the energy absorption device, and the displacement device is installed on the middle part of the guide device. The invention relates to a downward-transportation belt conveyor broken-belt grasping energy absorption method. When a downward-transportation belt is broken, the capturing device captures the downward-transportation belt, a downward kinetic energy is produced when the capturing device captures the broken belt, the capturing device is driven by the guide device to slide downwards to buffer and release the energy along the displacement device, after the guide device is moved, the energy absorption device is started to work, and the energy absorption device absorbs the large kinetic energy produced by the capturing of the capturing device on the broken belt. The large kinetic energy of the belt is absorbed through the energy absorption device, so that a distance is maintained between the capturing device and the downward-transportation belt to buffer, the strong impact is avoided, not only can the broken belt be effectively grasped and the safety of the personnel be guaranteed, but also the abrasion which is produced by grasping the belt can be avoided, and the secondary utilization rate of the belt can be increased.
Description
technical field [0001] The invention relates to an energy-absorbing device and an energy-absorbing method for grasping a broken belt of a down-carrying belt conveyor, and belongs to the technical field of broken belt protection. Background technique [0002] The belt conveyor is easy to cause the belt to break during the process of large inclination, large capacity and long distance transportation. For the upward belt conveyor, the broken belt capture method is very mature; but for the downward belt conveyor, due to the great kinetic energy of the belt after the belt is broken, if the traditional capture method is used, the material on the belt will be Throwing due to inertia will cause the belt catch device to collapse in severe cases, bringing life danger to workers. In addition, the traditional capture method relies on the friction between the capture device and the belt to consume the kinetic energy of the broken belt, which will inevitably damage the belt and a...
Claims
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IPC IPC(8): B65G43/06
Inventor 杨寅威王忠宾司垒谭超韩振铎郑如意刘新华赵啦啦梁斌王启广
Owner CHINA UNIV OF MINING & TECH
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