Measuring device for measuring outer ring channel of large-sized bearing
A measuring device and bearing outer ring technology, which is applied in the direction of mechanical diameter measurement, etc., can solve the problems of low precision of large bearing outer ring channel measurement, impossibility of large-scale promotion and use, and high cost of imported measuring equipment, so as to achieve simple structure, Low assembly cost and reduced error rate
Active Publication Date: 2012-12-26
成都天马精密机械有限公司
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Problems solved by technology
[0003] One of the purposes of the present invention is to solve the above-mentioned deficiencies and provide a measuring device for measuring the channel of the outer ring of a large bearing, in order to solve the problem of low precision and large measurement error in the measurement of the channel of the outer ring of a large bearing in the prior art. As well as technical problems such as the high cost of imported measuring equipment and the inability to promote and use it on a large scale
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[0020] Before further elaborating the detailed technical scheme of the present invention, at first the dial indicator 34 mentioned in the present invention is specifically described, and the dial indicator is a kind of relatively mature measuring tool for comparison at present, and it is a kind of using precision Dial type universal length measuring tool made of rack and pinion mechanism. It usually consists of a measuring head, a measuring rod, a shock-proof spring, a rack, a gear, a hairspring, a round dial and a pointer. The dial indicator was made by B.C. Ames of the United States in 1890. Commonly used for shape and position errors and length measurement of small displacements. There are 100 equal division scales printed on the round dial of the dial indicator, that is, each division value is equivalent to the movement of the measuring rod by 0.01 mm. They are suitable for measuring the shape and position deviation of outer circles, small holes, etc. that are difficult ...
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The invention discloses a measuring device for measuring an outer ring channel of a large-sized bearing, belonging to a matching device for production and measurement of the large-sized bearing. The measuring device comprises a sliding bridge, a fixed end and a measuring end, wherein the fixed end and the measuring end are both movably installed on the sliding bridge and can move along the axial direction of the sliding bridge; a first tube ruler measuring pin and a first measuring head are arranged in the fixed end; the first measuring head is installed below the first tube ruler measuring pin along the axial direction of the sliding bridge; and a second tube ruler measuring pin, a second measuring head, a shaft sleeve and a dial indicator are arranged in the measuring end. With the adoption of the measuring device, an actual size of the diameter of the outer ring channel of a large-sized measured bearing is measured directly through data on the dial indicator by using a comparison measurement method, and multiple groups of the data need not to be measured and calculated any longer, so that a measuring process of the outer ring channel of the large-sized bearing is simplified, an error generation rate in the measurement of the outer ring channel of the large-sized bearing is reduced, and measurement accuracy is higher.
Description
technical field [0001] The invention relates to a large-scale bearing production and measurement supporting device, more specifically, the invention mainly relates to a measuring device for measuring the groove of the outer ring of a large-scale bearing. Background technique [0002] At present, when measuring the diameter of the outer ring grooves of large bearings, especially wind power bearings, the shape of the grooves there is a peach-shaped groove (that is, a four-point contact groove) and the size span is large. Difficulties in trench dimension measurement. At present, the measuring device used to measure the aforementioned outer ring groove is to use a thin-walled stainless steel tube as a ruler, a finished steel ball as a measuring head, and a fixed-end measuring foot and a measuring-end measuring foot set to be installed on the ruler. The measuring foot of the measuring end adopts a mandrel to displace axially on the bushing, and transmits the displacement to the ...
Claims
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IPC IPC(8): G01B5/08
Inventor 冯霆汪文革常继刚
Owner 成都天马精密机械有限公司