Oil cooler screw sleeve verticality inspection tool
A technology of oil cooler and verticality, which is applied in the direction of instruments, mechanical devices, mechanical measuring devices, etc., can solve the problems of impossibility, low measurement accuracy, time-consuming and laborious, etc., and achieve simple and reasonable structure, high detection accuracy, and improved accuracy Effect
Active Publication Date: 2016-06-08
GUANGXI YUCHAI MASCH CO LTD
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Problems solved by technology
[0002] If the verticality of the screw sleeve of the internal combustion engine oil cooler is directly measured on the outer thread surface of the screw sleeve with the dial gauge head, it cannot be carried out because the measured element is a helical surface.
[0003] In addition, due to the difficulty of simulating the axis of the external thread during the measurement of the screw sleeve, rigid squares and feeler gauges are usually used for measurement, which is time-consuming and laborious, with low measurement accuracy and poor repeatability of measurement results
The measurement effect of the verticality of the screw sleeve of the oil cooler of the internal combustion engine is poor, which is not conducive to the inspection operation and the quality control of the oil cooler
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[0031] A specific embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment. It should be understood that the "upper", "lower", "left", "right", "front" and "reverse" mentioned in the following embodiments of the present invention are all based on the directions shown in the figures, These words used to limit the direction are only for convenience of description, and do not mean to limit the specific technical solution of the present invention.
[0032] The oil cooler screw sleeve verticality measuring tool of the present invention has a simple and reasonable structure. By using the internal thread axis of the lower part of the screw sleeve shaft as the main positioning, the reference axis of the external thread of the oil cooler screw sleeve is simulated and measured, and the lower part of the screw ...
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The invention discloses a verticality inspection tool for a screw sleeve of an oil cooler. The inspection tool includes: the body of the screw sleeve verticality inspection tool, which includes: the screw sleeve shaft and the measuring swivel, and the dial indicator installed on the measuring swivel sleeve. The bottom end of the large shaft is provided with an axial internal thread screw port that is screw-connected with the threaded sleeve to be tested, and the bottom end of the large shaft at the lower end has an outer tapered surface; the measuring swivel is rotatably sleeved on the small shaft at the upper end of the threaded sleeve shaft , through the step stop of the stepped shaft of the screw sleeve shaft; the axis of the dial indicator is installed on the measuring swivel sleeve parallel to the axis of the screw sleeve shaft; Internally threaded hole, the top port is a tapered surface adapted to the external tapered surface of the lower part of the screw sleeve shaft. The checking tool is easy to operate, has high detection accuracy and good repeatability of measurement results.
Description
technical field [0001] The invention relates to the field of detection of geometric characteristic items of oil cooler products in the manufacture of internal combustion engines, in particular to a verticality inspection tool for screw sleeves of oil coolers. Background technique [0002] If the verticality of the screw sleeve of the internal combustion engine oil cooler is directly measured by the dial gauge head on the outer thread surface of the screw sleeve, it cannot be carried out because the measured element is a helical surface. [0003] In addition, due to the difficulty of simulating the axis of the external thread when measuring the screw sleeve, rigid squares and feeler gauges are usually used for measurement, which is time-consuming and laborious, with low measurement accuracy and poor repeatability of measurement results. The measurement effect of the verticality of the screw sleeve of the oil cooler of the internal combustion engine is poor, which is not condu...
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IPC IPC(8): G01B5/245
Inventor 梁振杰谢卫军曾召亮柳芳
Owner GUANGXI YUCHAI MASCH CO LTD