A method for testing the safety performance of a centrifugal releaser
A centrifugal releaser and safety performance technology, applied in the field of mining machinery, can solve the problems of high cost of detection equipment, unfavorable promotion and use, etc., and achieve the effect of simple structure, reasonable cost and convenient operation
Inactive Publication Date: 2016-01-06
徐州苏煤矿山设备制造有限公司
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Problems solved by technology
Relevant industry standards stipulate that before the centrifugal release is installed on the locomotive, it must be tested safely and effectively. It is required that the accuracy of the actual number of revolutions of the rotating shaft during centrifugal release must be controlled within ±5%, but the cost of existing testing equipment High, not conducive to promotion and use
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[0009] The present invention will be further described below in conjunction with accompanying drawing.
[0010] Such as figure 1 As shown, the present invention includes an electric control cabinet, a hydraulic pump station electrically connected to the electric control cabinet, and a test bench 1; one side of the test bench 1 is provided with a motor fixing frame and a speed regulating valve 9, and a motor 7, The coupling 5 connected with the motor 7 and the speed sensor 8 located under the gear 6; the other side of the test bench 1 is provided with a centrifugal releaser fixing frame, and the middle part of the centrifugal releaser fixing frame is installed with a shift fork 3 and a shift fork 3 The lower limit switch 2; the electric control cabinet is electrically connected to the speed sensor 8 and the limit switch 2, and the hydraulic pump station is connected to the motor 7 through the speed regulating valve 9.
[0011] During further implementation, the electric contro...
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The invention discloses a safety performance testing device for a centrifugal releaser, and belongs to the technical field of mining machinery. The safety performance testing device for the centrifugal releaser comprises an electric control cabinet, a hydraulic power pack electrically connected with the electric control cabinet and a test bed; wherein a motor fixed mount and a speed regulation valve are arranged on one side of the test bed, a motor, a coupler and a speed sensor are arranged on the motor fixed mount, wherein the coupler is connected with the motor, the speed sensor is arranged below a gear; a centrifugal releaser fixed mount is arranged on the other side of the test bed, wherein a shift fork and a limit switch are installed in the middle of the centrifugal releaser fixed mount, the limit switch is arranged below the shift fork; the speed sensor and the limit switch are respectively and electrically connected with the electric control cabinet, and the hydraulic power pack is connected with the motor through the speed regulation valve. The safety performance testing device for the centrifugal releaser has the advantages that safety performance testing can be carried out by testing the revolution of a rotating shaft of the centrifugal releaser, so that the safety of locomotive and passengers can be guaranteed.
Description
technical field [0001] The invention relates to a safety performance detection device for a centrifugal releaser, which belongs to the technical field of mining machinery. Background technique [0002] The types of high-efficiency auxiliary transportation equipment used in coal mines in various countries mainly include monorail cranes, trucks, rack cars and trackless rubber-tyred vehicles. Most of these auxiliary transportation equipment are self-driven and can operate within a certain slope range. Dynamic performance plays a vital role in safe production, especially when the locomotive is able to automatically implement safe braking when it is overspeeding or fails to operate on a slope. [0003] The centrifugal releaser is currently the most widely used safety speed limiting device in coal mine auxiliary transportation equipment. As an overspeed protection switch that will be triggered when the locomotive fails, it has high requirements for its safety and reliability. Acc...
Claims
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IPC IPC(8): G01M13/00
Inventor 崔华吉牛勇杨梅王保全王松
Owner 徐州苏煤矿山设备制造有限公司