Auxiliary positioning mechanism of percussion drill

By designing an auxiliary positioning mechanism for the impact drill, the stable support and precise positioning of the impact drill are achieved through the cooperation of gears and racks. This solves the problem of the difficulty in accurately controlling the position and direction of the impact drill in the existing technology, improves the drilling quality and reduces the labor intensity of the operator.

CN224406491UActive Publication Date: 2026-06-26YANTAI WOOSHIN SCI & TECH CO LTD
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Patent Information

Application Number
CN202521620415.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-31
Publication Date
2026-06-26
Estimated Expiration
2035-07-31

AI Technical Summary

Technical Problem

Existing impact drills have difficulty in accurately controlling the position and direction during drilling, leading to problems such as unsuitable hole size, off-center holes, and inclined holes, which affect construction quality and increase labor intensity.

Method used

An auxiliary positioning mechanism was designed, comprising a first support arm, a second support arm, a mounting bracket, gears, a rack, a gas spring, and connectors. The mechanism achieves stable support and precise positioning of the impact drill through the cooperation of the gears and rack, and enables drilling operations at different angles and positions through the cooperation of the moving trolley and the rotating seat.

Benefits of technology

It achieves stable support and precise positioning for the impact drill, reduces drilling difficulty, improves drilling quality, and reduces the labor intensity of the operator.

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Abstract

The utility model relates to an auxiliary positioning mechanism of a percussion drill, which comprises a first support arm, a second support arm, a mounting bracket, a gear, a rack, a gas spring and a connecting piece, the connecting piece is rotatably connected to the end part of the first support arm in a way of rotating around a Z axis, and the connecting piece is also in pin joint with the second support arm through a pin shaft; the two ends of the gas spring are connected with the connecting piece and the second supporting arm respectively; the mounting support is connected to the end, away from the connecting piece, of the second supporting arm, the gear is rotatably arranged in the mounting support, the rack is mounted on the mounting support in the mode that the rack can ascend and descend along the Z axis, and the rack is meshed with the gear; a fixing sleeve used for fixing the percussion drill is arranged at the lower end of the rack. By means of the auxiliary positioning mechanism of the percussion drill, stable supporting and accurate positioning of the percussion drill can be achieved.
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