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Bearing gear unit for paper maker or carton machine

A technology of transmission unit and bearing, which is applied in paper machine, paper making, textile and paper making, etc. It can solve the problems of complex and expensive structure, complex removal of gears, etc., and achieve the effect of reducing the number of pipelines, reducing maintenance intensity, and easy loading and unloading

Inactive Publication Date: 2015-04-29
ANDRITZ AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the sliding gear itself, there are also bearings on either side of the gear, which makes removing the gear more complicated, as the entire sliding gear must be removed to do so
Furthermore, in patent DE 296 05 198 U1, the sliding gear and the main bearing assembly on the journal are housed in a separate housing, making the whole structure very complicated and expensive to manufacture

Method used

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  • Bearing gear unit for paper maker or carton machine
  • Bearing gear unit for paper maker or carton machine
  • Bearing gear unit for paper maker or carton machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] figure 1 A drying group of dryer components in the prior art is shown. Here, the paper web 2 is guided along a tortuous path past the drying cylinder 1 , which is pressurized from the inside with steam so that the cylinder shell is heated. In this process, the wet paper web 2 wrapped around the drying cylinder 1 is dried as quickly as possible, in which condensation water forms, which is drained off through holes drilled in the journal. The drying cylinder 1 is arranged in two layers, and the bottom row can also be replaced by suction rollers.

[0033] The paper web 2 is pressed against the surface of the drying cylinder by the wires 3, 4 to achieve the best possible contact and thus the best drying efficiency.

[0034] exist figure 1 In order to drive all the drying cylinders 1 and connect them to each other, a horizontal gearbox 13 or a vertical gearbox 14 is used. These gearboxes 13, 14 house a corresponding number of so-called intermediate gears 15, 16, 17 wit...

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PUM

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Abstract

The unit has a bearing (23) for storage of a pivot (26) i.e. hollow shaft, of a drying cylinder (1) or a suction roller (25), and a gear wheel (22) connected with the pivot in a fixed manner. A driving pinion (28) is provided for driving the gear wheel, where the bearing, gear wheel and the pinion are arranged in a housing (21). The bearing is arranged between the cylinder and / or the roller and the gear wheel, and the pinion is connected with a drive shaft (24) in a fixed manner, where the drive shaft is arranged in the housing.

Description

technical field [0001] The invention relates to a bearing transmission unit as a drive and support assembly of a drying drum or suction roll of a paper or board machine, having a bearing for supporting the journal of the drying drum or suction roll, a gear rigidly connected to the journal and the drive pinion that drives this gear. Bearings, gears and drive pinions are housed together in a common housing. The invention also relates to a dryer component with a bearing drive unit according to the invention. Background technique [0002] In the dryer sections of paper and board machines, the paper web after the press section is guided along a tortuous path through individual drying cylinders, which are pressurized from the inside with steam. The wet paper web, which wraps as much as possible on the drying cylinder, is dried during this time, so that condensation forms in the interior of the drying cylinder, wherein the condensation water is drained from the cylinder through h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21F3/10D21F7/02
CPCD21F7/02D21G1/0006F26B13/14F26B13/16
Inventor 威廉·莫塞赫尔穆特·埃希勒
Owner ANDRITZ AG
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