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Gear unit for the drive of a rotation tube

A transmission box and drum technology, applied in the field of transmission box, can solve problems such as not considering the relative motion of the sun gear shaft

Inactive Publication Date: 2005-02-02
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Does not take into account the relative motion of the sun gear shafts relative to each other

Method used

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  • Gear unit for the drive of a rotation tube
  • Gear unit for the drive of a rotation tube
  • Gear unit for the drive of a rotation tube

Examples

Experimental program
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Embodiment Construction

[0015] The gearbox shown in Figure 1 is used to drive a tubular mill having a linear drive power flow into the central axis of the tubular mill. The gearbox consists of a power distribution stage on the input side and a power summarizing stage on the output side. The gearbox is installed in a housing consisting of two subhousings 1 , 2 separated in the interior space. The sub-housing 1 has a horizontal parting joint and accommodates the power distribution stages on the input side. Another sub-housing 2 accommodates the output-side power summing stage. Spatial separation allows different sub-gearbox oil supply concepts. The high-speed running parts of the power distribution stage in the sub-housing 1 can preferably be supplied with oil by a pressure circulation lubricating device not shown here. Simple oil-immersion lubrication in the subhousing 2 is usually sufficient for the power summarizing stages that will be described in detail later as planetary gear stages. The oil ...

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Abstract

A gear unit for the drive of a rotating tube is provided with a drive shaft and a power distributing gear unit stage that is configured as a spur gear unit with an intermediate shaft having mounted thereon two bevel gears. A power output combining gear unit stage with a take-off shaft is operated downstream of the gear unit step. In this connection, the take-off shaft is on the central axis of the driven rotating tube. The power output combining gear unit stage is comprised of two parallel operated planetary gear units each having a sun gear, planetary gears each disposed on a respective planetary axle, a hollow gear and a common satellite carrier that is configured as a single piece and connected with the take-off shaft. The planetary axles of both planetary gear units in the common satellite carrier are spaced from one another and offset from one another. The intermediate shaft of the spur gear unit and the planetary gear units are supported in floating manners by bearings, whereby the spur gear unit and the planetary gear units form a symmetrical coupling gear unit.

Description

technical field [0001] The invention relates to a gear box for driving a drum having the features of the preamble of claim 1 . Background technique [0002] A drive scheme for a rotating drum, such as a tube mill or a rotary furnace, is characterized by a typical structure along the drive chain starting with an electric motor, a coupling, a variable speed gearbox and a connected tube mill. The gearbox not only converts the torque of the drive source, which is mostly designed as an electric motor, but additionally adapts the required transmission ratio to the desired output rotational speed, which is often determined by the grinding material of the tube mill. [0003] From DE 27 23 319 A1 a two-stage multi-channel spur gear transmission is known, in which a central drive for the rotating drums of tube mills, crushers, etc. is produced by means of internal power distribution. The power distribution makes it possible to increase the transmittable power with a small space requi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H1/22F16H37/08F16H57/08
CPCF16H57/082F16H37/0833F16H1/22F16H2001/289F16H1/46F16H1/28
Inventor 迪特马尔·于冰
Owner SIEMENS AG
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