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container for slurry

By using a shaft seal device with a delivery thread in the container, the problems of dirt intrusion and complicated maintenance of the bearing are solved, effective removal of dirt and uniform distribution of lubricant are achieved, reducing the risk of bearing damage and simplifying the maintenance process.

Inactive Publication Date: 2018-11-27
PUTZMEISTER ENG GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this sealing arrangement is that it cannot be guaranteed that the bearing is flushed or decontaminated evenly over the entire circumference

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] according to Figure 1a The feed container 10 to d, mounted on a bracket 12, is an integral part of a double-cylinder slurry pump whose feed cylinder 14 is connected to the feed container 10 via a feed cylinder opening 16 in the container wall 18 . On the front wall 20 of the feed container opposite the container wall 18 , a pressure connection 22 is provided, to which a delivery line 24 of the slurry pump is connected. Inside the container, there is provided a pipe adapter 26 configured as an S-pipe, which is connected at one end to the pressure connection 22 and whose other end alternates around the axis of the drive shaft 28 By means of the two plunger cylinders 39 it can be pivoted in front of the two delivery cylinder openings 16 . On its cylinder-side end, the tube adapter 26 has a wear ring 29 which is movable on a wear eyeglass plate 30 arranged in the region of the delivery cylinder opening 16 . The side walls 32 of the feed container 10 comprise service open...

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PUM

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Abstract

The invention relates to a container for containing slurry. The container (10) comprises at least one bearing sleeve (58) which passes through the wall opening and is secured fluid-tight in the container wall. The shaft (28) passes through the bearing sleeve (58) with the annular gap (62) free. A shaft seal ( 64 ) made of elastomer material, which bridges the annular gap ( 62 ), is arranged on the container-inner end of the bearing sleeve ( 58 ). The annular gap (62) is supplied with lubricant from outside the container. A feature of the invention is that said shaft seal (64) has, on its side radially facing the shaft (28), a delivery thread (68) supporting the delivery of the lubricant to the interior of the container, which is suitably passed through A check valve (70) that opens toward the interior of the container communicates with the interior of the container.

Description

[0001] This application is a divisional application of the Chinese invention patent application with the application number "201480003712.7". The filing date of the original application is April 9, 2014 (the PCT international filing date), the Chinese national application number is "201480003712.7" (the PCT international application number is PCT / EP2014 / 057138), and the name of the invention is "for holding slurry container". technical field [0002] The invention relates to a container for containing slurry, such as fluid concrete, comprising a bearing sleeve fixed in the container wall liquid-tightly through the wall opening of the container, passing through while leaving an annular gap A shaft passing through the bearing sleeve and a shaft seal made of elastomeric material provided on the container inner end of the bearing sleeve bridges the annular gap, wherein the annular gap extends from The outside of the container is supplied with lubricant. Background technique ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B7/00F04B15/02F04B53/18B01F23/57
CPCF04B7/0019F04B7/0023F04B15/02F04B15/023F04B53/18B01F35/71775B01F23/57B01F27/114B01F2101/28
Owner PUTZMEISTER ENG GMBH