A belt material flow detection device and its application method
A material flow detection and belt technology, used in conveyor control devices, transportation and packaging, conveyor objects, etc., can solve problems such as belt scratching accidents, material blocking detection failures, and limit switches smashed to reduce accumulation. , the effect of reducing labor intensity and preventing failure
Active Publication Date: 2017-10-13
ANSTEEL GRP MINING CO LTD
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Problems solved by technology
[0004] Since the limit switch is installed in the material dropper, the limit switch is easily smashed by the falling material or stuck by a large piece of material, which will cause the failure of the material blocking detection, and in severe cases, it will cause a belt scratching accident
[0005] Even if the limit switch in the blanking channel can operate normally, when the limit switch is triggered, it means that the material blocking has occurred for a period of time. At this time, the material in the blanking channel has accumulated a lot, which directly increases the labor of dredging personnel strength
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[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0025] A material blocking detection method for a belt conveyor discharge leak, comprising the following steps:
[0026] Step 1: Install the belt material flow detection device on the belt conveyor. The belt material flow detection device includes pressure roller 1, lever 2, support 3 and limit switch 4. Pressure roller 1 is located under the belt, and pressure roller 1 is installed on lever 2. One end, the other end of the lever 2 cooperates with the limit switch 4, the limit switch 4 is fixedly installed on the roller frame 8 of the belt conveyor; the support 3 is set on the roller frame 8, the top of the support 3 and the middle of the lever 2 are hinged, and the hinge point is the fulcrum of the lever 2; a return spring 5 is connected between the lever 2 and the idler frame 8; the belt material flow detection device is divided int...
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The invention discloses a material blocking detection method for a belt conveyor blanking funnel. The detection method comprises the following steps: firstly, installing a belt material flow detecting device on a belt conveyor; starting the belt conveyor in order to run an upper-stage belt and a lower-stage belt; in an initial state, setting limiting switches of an upper-stage belt material flow detecting device and a lower-stage belt material flow detecting device in non-triggered states, and triggering the limiting switches of the upper-stage belt material flow detecting device and the lower-stage belt material flow detecting device in sequence along with the running of the upper-stage belt and the lower-stage belt; recovering the limiting switch of the lower-stage belt material flow detecting device from a triggered state to the non-triggered state when the blanking funnel is blocked by materials; halting the belt conveyor; stopping running of the upper-stage belt and the lower-stage belt; dredging the blanking funnel; lastly, restarting the belt conveyor to recover the running of the upper-stage belt and the lower-stage belt in order to realize the material blocking detection of the blanking funnel in a material transportation process. Compared with the conventional detection way, the material blocking detection method has the advantages that the phenomena that the limiting switches are damaged or are clamped by large materials, or the belts are scratched are avoided, and failure to detect material blocking is prevented.
Description
technical field [0001] The invention belongs to the technical field of belt conveyors, and in particular relates to a belt material flow detection device and an application method thereof. Background technique [0002] In the mine production process, the belt conveyor is the main mineral material transportation equipment. In the process of transporting materials, there is usually a feeding funnel between the upper belt and the lower belt, and the mineral materials on the upper belt will fall through the feeding funnel. However, when the mineral material is transferred through the feeding hole, the most common failure is the material blocking of the feeding hole. At this time, dredging personnel are required to dredge the feeding hole. [0003] It is difficult to monitor in real time by manual means to judge whether the blanking hole is blocked. However, the current method is to install a limit switch in the blanking hole for blocking detection. Under normal circumstances, t...
Claims
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IPC IPC(8): B65G43/08
Inventor 马连成
Owner ANSTEEL GRP MINING CO LTD