Drilling fixture for track shoe of coal miner
A technology for drilling jigs and track shoes, which is applied in the direction of drilling templates for workpieces, etc., can solve problems such as low work efficiency, poor concentricity of track shoes, and affecting the quality of finished track shoes, so as to improve processing efficiency and ensure concentricity , the effect of good application prospects
Inactive Publication Date: 2013-10-16
SFAM SCI & TECH JIANGSU
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[0002] The track shoes of the coal excavator are used to support the transmission crawler on the coal excavator. The track shoes are installed on the frame of the crawler machine. In order to fix the track shoes, it is necessary to drill holes on both sides of the track shoes. The traditional drilling method is to After the two sides are measured and positioned, holes are drilled one by one. Before drilling, manual measurement and positioning are required, and the work efficiency is low. Moreover, due to manual measurement, the concentricity of the two rows of drilling holes on the track shoe is poor, which affects the quality of the finished product of the track shoe.
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[0012] The present invention will be further described below in conjunction with the accompanying drawings.
[0013] like figure 1 and figure 2 As shown, a drilling fixture for track shoes of a mining machine includes an L-shaped base plate 1, two rows of symmetrically distributed protrusions 2 are arranged on the outside of the vertical side plate of the base plate 1, and the number of protrusions 2 in each row is six. The number of drill holes is the same as a row of track shoes to be processed, and the distance between two rows of symmetrically distributed protrusions 2 is the same as the width of the track shoes. The inner side of the protrusions 2 forms a positioning surface, which can clamp the track to be drilled Each protrusion 2 is provided with positioning drilling holes 3, and the positioning drilling holes 3 on each row of protrusions 2 are on the same axis, which can ensure the concentricity of the two rows of drilling holes of the track shoe, and facilitate the...
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The invention discloses a drilling fixture for a track shoe of a coal miner. The drilling fixture comprises an L-shaped substrate, two rows of bulges which are uniformly formed are arranged on the outer side, perpendicular to a side plate, of the substrate; positioning drill holes are formed in the bulges; and the positioning drill holes in each row of the bulges are located on the same axis. According to the drilling fixture for the track shoe of the coal miner, a to-be-processed track shoe is loaded into a tool, a workpiece is clamped, the two rows of the positioning drill holes in track shoe can be processed simultaneously, the concentricity of the two rows of the drill holes of the track shoe can be guaranteed, the processing efficiency of the track shoe is improved, and a good application prospect is provided.
Description
technical field [0001] The invention relates to a drilling fixture for crawler shoes of a coal excavator, which belongs to the technical field of tooling and fixtures for mechanical parts. Background technique [0002] The track shoes of the coal mining machine are used to support the transmission track on the coal excavator. The track shoes are installed on the frame of the crawler machine. In order to fix the track shoes, it is necessary to drill holes on both sides of the track shoes. The traditional drilling method is to After the two sides are measured and positioned, holes are drilled one by one. Before drilling, manual measurement and positioning is required, and the work efficiency is low. Due to manual measurement, the concentricity of the two rows of drilling holes on the track shoe is poor, which affects the quality of the finished product of the track shoe. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies i...
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IPC IPC(8): B23B47/28
Inventor 屈永祥
Owner SFAM SCI & TECH JIANGSU