Device for detecting initial tension of steel wire rope of endless rope continuous tractor
A tractor and steel wire rope technology, which is applied in the field of devices for detecting the initial tension of the steel wire rope of the endless rope continuous tractor, can solve the problems of unsafe links, large installation space, and many counterweights
Inactive Publication Date: 2018-07-06
LONGKOU MINING GRP
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Problems solved by technology
Therefore, how to quickly and reliably detect the tension of the wire rope at a certain place, and determine that when the tension of the wire rope drops to a certain value, a rope tightening operation is required, which is a difficult point in the on-site operation.
[0004] In October 2016, when we conducted an investigation on the upgrading and transformation of the endless rope continuous tractor in our mine, it was found that there was no finalized product on the market with the protection of wire rope tension drop.
This method requires more counterweights, requires a larger installation space, and increases unsafe links
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[0014] Such as figure 1 As shown, the present invention is a device for detecting the initial tension of the steel wire rope of the endless rope continuous tractor, including a static wheel 1, a pressure measuring wheel 2, a pressure sensitive sensor 3, a plc module 4 and a fixing seat, and there are two static wheels 1, Installed on the same straight line, the pressure measuring moving wheel 2 is installed at the middle upper position of the two static wheels 1, the pressure sensitive sensor 3 is installed on the pin shaft of the pressure measuring moving wheel 2, the plc The module 4 is connected with the pressure-sensitive sensor 3, processes the analog signal output by the pressure-sensitive sensor 3, converts it into a digital value and outputs it to the digital display tube for display, and can compare the measured value with the set value and display it externally. Output a pair of switching values, the fixed seat is used to fix the static wheel 1 and the pressure measu...
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The invention provides a device for detecting the initial tension of the steel wire rope of an endless rope continuous tractor. The device comprises two static wheels, a pressure-measuring movable wheel, a pressure-sensitive sensor, a PLC (programmable logic controller) module and a fixed seat. The two static wheels are arranged on the same straight line. The pressure-measuring movable wheel is arranged at a position top to the middle of the two static wheels. The pressure-sensitive sensor is arranged on the pin shaft of the pressure-measuring movable wheel. The PLC module is connected with the pressure-sensitive sensor and is used for processing analog quantity signals output by the pressure-sensitive sensor, converting the signals into a digital quantity and outputting the digital quantity to a digital display tube for displaying the digital quantity. Meanwhile, the measured value is compared with a set value, and a pair of switching values is outputted to the outside. The fixed seatis used for fixing the static wheels and the pressure-measuring movable wheel, wherein during the on-site usage, a chassis can be installed. The invention aims to provide a device for visually displaying the initial tension of the steel wire rope, and safely and reliably detecting the initial tension of the steel wire rope of the endless rope continuous tractor.
Description
technical field [0001] The invention relates to a device for detecting the initial tension of a steel wire rope of an endless rope continuous tractor. Background technique [0002] The infinite rope continuous tractor is widely used in coal mines, and its advantages are long transportation distance, wide application conditions and saving human resources. Article 390 of the new version of "Coal Mine Safety Regulations" (2016) requires that the endless rope continuous tractor must have wire rope tension drop protection, so this protection needs to be studied and applied. [0003] In the practical application process of the endless rope continuous tractor, the tension force of each point of the steel wire rope is different in theory, and it changes dynamically as the vehicle is pulled. Therefore, how to quickly and reliably detect the tension force of a certain steel wire rope, and determine that when the tension force of the steel rope drops to a certain value, a rope tighten...
Claims
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IPC IPC(8): G01L5/04
CPCG01L5/047
Inventor 刘豫飞孙建君陈海亮
Owner LONGKOU MINING GRP