Cylinder body crankshaft bore and bore outer wall coaxiality measurement special-purpose testing fixture
A technology of coaxiality measurement and crankshaft hole, which is applied in the direction of measuring devices, mechanical measuring devices, and mechanical devices, etc., can solve problems affecting production efficiency and production quality, cumbersome measurement operations, and high input costs, and achieve simple structure and improved Detection efficiency and the effect of improving production quality
Inactive Publication Date: 2012-05-23
TIANJIN BAOLAI PRECISION MACHINERY
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Problems solved by technology
The existing measurement method needs to be completed with the cooperation of measuring tools such as special measuring rods, deflectors, magnetic gauge bases, and gauges. There are problems such as complex equipment and high investment costs; moreover, there are also problems such as cumbersome measurement operations, long time, and low efficiency. Insufficient, affecting production efficiency and production quality
Method used
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[0010] The present invention will be further described in detail below through the specific examples, the following examples are only descriptive, not restrictive, and cannot limit the protection scope of the present invention with this.
[0011] A special inspection tool for measuring the coaxiality between the crankshaft hole and the outer wall of the hole. A coaxial stepped hole 2 is formed in the tool body. Just form a coaxial relationship between the crankshaft hole and the outer wall of the crankshaft hole after the crankshaft hole rod is inlaid. The inner diameters of the coaxial stepped holes are φ15.96mm and φ20mm respectively.
[0012] The usage mode of the present invention is:
[0013] When measuring, pass the crankshaft hole rod through the crankshaft hole made on the cylinder block 3, the main body of the inspection tool is inserted on the crankshaft hole rod, and its end is inserted on the outer wall of the crankshaft hole. If the main body of the inspection t...
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Abstract
The invention relates to a cylinder body crankshaft bore and bore outer wall coaxiality measurement special-purpose testing fixture. Innovation points are as follows: the testing fixture is composed of a crankshaft bore rod and a testing fixture main body which are mutually independent, the testing fixture main body is a circular suit, and a coaxial step hole is provided in the circular suit. The invention has the characteristics of simple structure, reasonable design, simple operation and accurate measurement, detection efficiency of cylinder body crankshaft bore and bore outer wall coaxiality can be raised, compared with a traditional measurement mode, the detection efficiency is raised by 5 to 8 times, thus production efficiency is effectively raised, and production quality is raised simultaneously.
Description
technical field [0001] The invention relates to a checking tool in the field of mechanical processing, in particular to a special checking tool for measuring the coaxiality between a crankshaft hole of a cylinder body and the outer wall of the hole. Background technique [0002] There is a crankshaft hole (φ15.96) on the PL / BD cylinder block, and it is usually necessary to ensure the coaxiality between the crankshaft hole and the outer wall of the hole (φ20), so the coaxiality needs to be measured. The existing measurement method needs to be completed with the cooperation of measuring tools such as special measuring rods, deflectors, magnetic table bases, and meters, which has the problems of complicated equipment and high investment costs; moreover, there are also problems such as cumbersome measurement operations, long time, and low efficiency. Insufficient, affecting production efficiency and production quality. Contents of the invention [0003] The purpose of the pre...
Claims
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Login to View More IPC IPC(8): G01B5/252
Inventor 崔建涛崔文来
Owner TIANJIN BAOLAI PRECISION MACHINERY