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US 10,500,650 B2Granted
Positioning device for drilling
AssigneeBoe Technology Group Co., Ltd.
InventorsJiabin Xie, Zailin Hong, Xiaoguang Hong
Life of this patent
Estimating the term…
Abstract
A positioning device for drilling including a positioning base which is provided with a positioning through hole, and a plurality of clamping assemblies which are provided on the positioning base and circumferentially spaced round a central axis a, as center, of the positioning through hole. Each of the clamping assemblies includes an abutting part having an adjustable distance from a central axis of the positioning through hole.
Claims17
A positioning device for drilling, comprising:
- a positioning base provided with a positioning through hole,
- a plurality of clamping assemblies provided on the positioning base and circumferentially spaced around a central axis, as center, of the positioning through hole, wherein each of the clamping assemblies comprises an abutting part, a distance between the abutting part and the central axis of the positioning through hole is adjustable, wherein each of the clamping assemblies comprises a telescopic bar which has one end provided at the positioning base, and another end on which the abutting part is provided, and
- at least one interconnecting mechanism comprising an interconnecting gear which is rotatably provided at the positioning base through a hole of the positioning base, the telescopic bars are provided with racks extending along respective extending-retracting directions, the rack and the interconnecting gear is engaged.
Dependencies are inferred from the claim text.