Dual-purpose spiral sampling head

By designing a dual-purpose spiral sampling head, employing an inner short spiral auger and an inner spiral auger drive, combined with a temporary storage hopper and a pneumatic pusher, the problem of collecting coal samples with different moisture contents was solved, achieving efficient and applicable coal sample sampling.

CN117571369BActive Publication Date: 2026-08-04INNER MONGOLIA JINGNENG KANGBASHI THERMAL POWER CO LTD
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Patent Information

Application Number
CN202311518709.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-11-14
Publication Date
2026-08-04
Estimated Expiration
2043-11-14

AI Technical Summary

Technical Problem

Existing coal sampling equipment has limited applicability to coal samples with different moisture contents, especially wet coal and coal slime, resulting in time-consuming and labor-intensive sampling work, which affects economic efficiency.

Method used

Design a dual-purpose spiral sampling head, comprising an inner short spiral auger and an inner spiral auger, driven by a first motor and a second motor respectively, to collect wet coal and ordinary coal samples; at the same time, a temporary storage hopper and a pneumatic push rod are set to realize automatic temporary storage and discharge.

Benefits of technology

This improves the applicability of the equipment, enabling efficient collection of coal samples with different moisture contents, reducing labor intensity, and increasing sampling efficiency.

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Abstract

The utility model discloses a dual -purpose spiral sampling head relates to coal sampling related field, its structure includes outer frame, fixedly arranged motor support plate on the left and right two sides top of outer frame, fixedly arranged baffle in the inside middle end of outer frame, set up inside short spiral auger and inside spiral auger, utilize first motor and second motor can respectively drive inside short spiral auger and inside spiral auger to move down and collect coal sample to realize the equipment wet coal and ordinary coal sample sampling two functions combined use to improve the applicability of equipment, set up temporary storage hopper and pneumatic push rod simultaneously, utilize temporary storage hopper to make this equipment can store coal sample temporarily, and utilize pneumatic push rod to open rotation gate automatically and carry out automatic discharge to increase the sampling efficiency of this equipment.
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