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Fahrmischer

A technology for mixers and trucks, which is applied to cement mixing devices, clay preparation devices, chemical instruments and methods, etc., can solve the problems of increased wear of raceways and rollers, the tilting of mixing drums away from the rollers, and increased noise emissions. Small weight, easy maintenance, and improved accessibility

Inactive Publication Date: 2010-09-29
利勃海尔混合媒材有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In addition, with this type of bearing, for example, when passing through potholes, there will be a phenomenon that the stirring drum lifts off the roller shaft
When the mixing drum returns to the roller, this "bounce" results in increased mechanical load and increased noise hazard
[0007] In addition, since the bearing is completely open and exposed to the outside world, dirt can adhere to the raceways and cause increased wear on the raceways and rollers
Adhesion of dirt also increases noise emissions

Method used

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Examples

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Embodiment Construction

[0030] figure 1 A known truck mixer 1 according to the prior art is shown comprising a rotatable mixing drum 2 mounted on a mixer truck with built-in threads (not shown in detail). By rotating the mixing drum 2 in one direction, the material can be sucked in and mixed thoroughly, and then, by rotating in the opposite direction, the material can be output.

[0031] In addition to the mixing drum 2, the main components of the truck mixer body are the support structure 3 of the rear support 19 of the mixing drum 2, the rotary drive 4 of the mixing drum 2, the chute and the funnel 5 for loading and unloading , and eg a water supply system 6 and a ladder 7 for washing the body. The support structure 3 is mounted on the rear of the chassis 11 of the truck mixer 1 . A similar support structure 3 for the connection of the front support of the mixing drum 2 on the chassis 11 is also provided.

[0032] The drum seat 12 at the front end of the mixing drum 2 is connected to the rotatab...

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Abstract

The present invention relates to a truck mixer with a mixing drum mounted and rotatable on a vehicle chassis, wherein the mixing drum is supported on the rear by means of a large roller bearing.

Description

technical field [0001] The present invention relates to a truck mixer (truck mixer, mixer truck), which has a mixing drum installed on the vehicle chassis and rotatable on the vehicle chassis, wherein, the bearing (bearing, bearing) of the mixing drum consists of a raceway and at least one support pair of rollers. Background technique [0002] In known concrete truck mixers, the part of the mixing drum facing the rear of the vehicle is supported on two rollers so as to lie freely on the rollers. In this way, tensions or deformations, eg due to flexing of the chassis during driving operations, can be compensated for by the possible relative movements in the axial direction. [0003] The free support prevents tensions in the roller support due to movements or deformations of the chassis that would cause relative motion between the raceway and the rollers. [0004] Due to these relative movements in the axial direction, the rollers must be much wider than the raceways to ensu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28C5/42B28C5/18
CPCB28C5/4265
Inventor 贝特霍尔德·鲁夫马丁·维蒂希
Owner 利勃海尔混合媒材有限责任公司