A Method for Checking Hole Center Offset

An inspection method and center-of-circle technology, applied in metal processing equipment, measuring/indicating equipment, metal processing mechanical parts, etc., can solve the problems of high requirements, long assembly time, waste, etc., and achieve the effect of low cost and fast operation
CN105290884BActive Publication Date: 2017-11-14GUANGZHOU SHIPYARD INTERNATIONAL LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
GUANGZHOU SHIPYARD INTERNATIONAL LTD
Publication Date
2017-11-14

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Abstract

The invention discloses a hole centre rapid marking-positioning device and a hole centre bias check method, and relates to the technical field of hole centre marking. The hole centre rapid marking-positioning device comprises polyurethane round rods capable of inserting in holes, wherein the outer diameter of each polyurethane round rod is greater than the diameter of the corresponding hole; grooves are formed in the sidewall of each polyurethane round rod; and cross lines with an intersection point which passes through the circle centre of the upper end surface are engraved on the upper end surface of each polyurethane round rod. The invention further discloses a hole centre bias check method, and said hole centre check device is used for check. The hole centre rapid marking-positioning device and the hole centre bias check method, which are disclosed by the invention, are capable of realizing rapid marking-positioning for hole centres, capable of conveniently and rapidly detecting whether the hole centres are biased or not, high in detection accuracy, and suitable for being applied in various construction fields.
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Description

technical field

[0001] The invention relates to the field of hole center scribing technology, in particular to a hole center fast scribing positioning device and a hole center offset inspection method. Background technique

[0002] The steel structure and shipbuilding industry are inseparable from the bolted structure. Most of the structures connected by bolts are provided with multiple holes in rows. First, the holes need to be drilled, and after drilling, it is necessary to check whether there is any deviation in these holes. In the prior art, detection is mainly carried out by multi-step scribing with a combination ruler or a steel ruler.

[0003] However, the steps of the above method are too cumbersome and the efficiency is low; the combination ruler or steel ruler used has high requirements, if there is wear and tear, the test results will be affected, and the measuring tools need to be replaced continuously, resulting in waste; in addition, the parts are in difficult ...

Claims

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