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Concrete mixing drum

A mixing drum and concrete technology, which is applied to cement mixing devices, clay preparation devices, chemical instruments and methods, etc., can solve the problems of poor pumpability, easy layering and precipitation, uneven mixing of concrete, etc., and achieve low manufacturing cost, Not easy to stratify and precipitate, considerable economic benefits

Inactive Publication Date: 2010-02-17
王金龙 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention mainly aims at the technical problems of uneven mixing, easy stratification and sedimentation, and poor pumpability of the concrete in the mixing drum of the concrete mixer truck existing in the prior art, and provides a concrete mixing drum

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] As attached to the manual Figure 1-4 As shown, a concrete mixing drum includes a cylinder body 1 and a material guide plate 4 distributed in a double helix. The material guide plate 4 is fixed on the inner wall of the cylinder body 1, and the height of the material guide plate 4 is between 400 and 500 mm. The two material guide plates 4 are curved surfaces, their roots are welded to the inner wall of the cylinder 1, and are distributed in a logarithmic helix in the cylinder 1, and the number thereof is determined according to the size of the mixing drum. At the mouth of the cylinder body 1, a section of feed guide cylinder is welded along the inner edges of the two spiral blades, and a feed inlet 2 is arranged on the guide cylinder. The opening of the barrel 1 is also provided with a discharge port 3 . In the interior of the cylinder 1, several stirring blades 5 are arranged along the axial direction of the cylinder 1, and the stirring blades 5 are fixed on the inner ...

Embodiment 2

[0031] In this embodiment, on the basis of Example 1, when the bottom edge of the stirring sheet 5 is at the lowest point in the cylinder body 1, the angle between the bottom edge of the stirring sheet 5 and the horizontal direction is selected as less than or equal to 5 degrees; 8 The nearest two stirring pieces 5 are evenly distributed 3 in the circumferential direction of the inner wall of the cylinder body 1 (such as Figure 5 As shown), the total number of stirring pieces 5 inside the cylinder body 1 reaches 12, so as to achieve a better stirring effect.

[0032]Stirring piece 5 also can be evenly distributed 2-3 according to the diameter of cylinder body 1 on cylinder body 1 inner wall circumferential direction, makes the total number of cylinder body 1 internal stirring piece 5 be between 4-15, thus constitutes new implementation example.

Embodiment 3

[0034] This embodiment is the same as Embodiment 1, except that: the material guide plate 4 is distributed in the shape of an Archimedes spiral in the cylinder body 1 . Material guide plate 4 also can only be provided with one piece, thereby constitutes new embodiment.

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Abstract

The invention relates to a concrete mixing apparatus, in particular to a concrete mixing drum comprising a drum body and material guide plates, wherein the material guide plates are fixed on the innerwall of the drum body, and the opening of the drum body is provided with a material inlet and a material outlet. The concrete mixing drum is characterized in that a plurality of mixing blades are arranged in the axial direction of the drum body in the drum body; the mixing blades are fixed on the inner wall of the drum body by a bracket and, each mixing blade is arranged between every two adjacent material guide plates; and gaps are respectively formed between the mixing blade and the inner wall of the drum body, and between the mixing blade and the material guide plate adjacent to the mixingblade. The arrangement of the bracket not only strengthens the fixation of the mixing blades to the interior of the mixing drum, but also achieves the goal that a gap is formed between the mixing blade and the inner wall of the drum body. The concrete mixing drum enhances the overall performance of the mixing devices, takes account of mixing and discharging the material, increases the material inlet and outlet speed, improves the mixing quality of the concrete and enhances the strength of the concrete.

Description

technical field [0001] The invention relates to a concrete mixing device, in particular to a concrete mixing drum. Background technique [0002] As we all know, the mixing drum of a concrete mixer truck is a key component of a concrete mixer truck, and whether the mixing drum works normally is an important factor affecting the quality of concrete products. When the mixer truck is still a new car stage, the quality of the concrete it carries cannot be distinguished with the naked eye. The common problem of the mixer truck after two years of operation is: when the unloading starts, there are too many concrete stones and less mortar content, and when the mixer truck unloads one cubic concrete, there are too few stones and more mortar, and the unloading time In the end, there will be more stones and less mortar content. Especially when the concrete slump is greater than 160mm, this phenomenon is more obvious. The pumpability of this kind of concrete is poor, and it is more di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28C5/22
Inventor 王金龙
Owner 王金龙
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