A water-reducing agent storage device for concrete mixer trucks

By introducing a guide tube and staggered flow holes into the water-reducing agent storage device for concrete mixer trucks, the problems of mixing dead zones and uneven concentration were solved, achieving uniform mixing of the water-reducing agent and stability of the storage tank.

CN224428720UActive Publication Date: 2026-06-30HUBEI ZHENGMAO NEW BUILDING MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUBEI ZHENGMAO NEW BUILDING MATERIALS CO LTD
Filing Date
2025-09-02
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

In existing concrete mixer truck water-reducing agent storage devices, the rectangular water tank's mixing dead angle and unidirectional horizontal mixing lead to uneven water-reducing agent concentration, and the concrete mixer truck is prone to deformation due to inertial impact when starting and stopping.

Method used

The mixing mechanism, including a guide tube, servo motor, drive shaft, auger blades and stirring bars, improves the fluidity and uniformity of the water-reducing agent and reduces concentration differences and deformation probability through vertical circulation and staggered diversion hole design.

Benefits of technology

It achieves uniform mixing of water-reducing agents, reduces dead zones in stirring and concentration differences, reduces the possibility of water tank deformation, and improves mixing efficiency and stability.

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Abstract

This utility model relates to a water-reducing agent storage device for concrete mixer trucks, comprising a water tank with a cover on its upper side; and a mixing mechanism, which includes a guide cylinder fixed inside the water tank, a servo motor fixed on the upper side of the cover, a drive shaft rotatably fitted inside the guide cylinder, auger blades fixedly sleeved on the lower part of the drive shaft, multiple stirring strips on the upper part of the drive shaft, and multiple diversion support plates arrayed along the height direction on the inner walls of both sides of the water tank. The output shaft of the servo motor passes through one end of the cover and is fixedly connected to the drive shaft. By setting up the mixing mechanism, the servo motor drives the drive shaft to rotate the auger blades and stirring strips. The auger blades drive the water tank to circulate vertically within the guide cylinder and between the guide cylinder and the inner wall of the water tank, improving the flowability of the water-reducing agent at the corners of the water tank and reducing the probability of dead flow corners causing uneven uniformity of the water-reducing agent.
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