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Automatic lubrication system

a lubrication system and automatic technology, applied in the direction of manual lubrication, machines/engines, distribution equipment, etc., can solve the problems of reducing the longevity of industrial machines and their structures, increasing wear on these elements, and reducing pin li

Inactive Publication Date: 2013-09-05
HARNISCHFEGER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention is an automatic lubrication system that can be attached to industrial machine components. It uses a mechanism that moves based on the movement of the machine component, and delivers lubricant to the part that needs it. This system can be used to lubricate structural elements on industrial machines, reducing the need for manual lubrication. The technical effect is improved lubrication efficiency and simplified maintenance operations.

Problems solved by technology

Typically, the structural elements are not lubricated during the operation of the industrial machine, which increases the wear on these elements and decreases the longevity of the industrial machine and its structures.
For example, in an electric shovel, without lubrication, bearings cannot be installed in a dipper bail, which leads to decreased pin life.
This presumption leads to decreased allowable design stresses for the structural elements.
In those instances where the structural elements are lubricated, the operator typically must first stop the operation of the machine prior to lubricating the structural elements, which decreases the productivity of the machine and is also dangerous for the operator.
Current lubrication systems include manual lubrication systems, or electro-chemical systems that operate well in a warmer weather, but are ineffective in a colder climate.

Method used

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Examples

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Embodiment Construction

[0018]FIGS. 1-7 illustrate various structural elements that benefit from the automatic lubrication systems described herein. While a shovel and dippers are illustrated, the automatic lubrication systems described herein are applicable to a variety of different industrial machines and industrial machine mechanical components.

[0019]FIG. 1 illustrates a mining shovel 10 that includes a mobile base 15, drive tracks 20, a turntable 25, a revolving frame 30, a boom 35, a lower end 40 (also called a boom foot), tension cables 50, a gantry tension member 55, a gantry compression member 60, a dipper 65 including a dipper body 70 and a dipper door 72, a bail 73, a hoist rope 75, a winch drum 80, an electric motor 82, a dipper handle 85, a saddle block 90, a pivot point 95 (e.g., a shipper shaft), a transmission unit 100 (also called a crowd drive), a bail pin 105, a dipper door pin 110, and a boom point pin 115.

[0020]The mobile base 15 is supported by the drive tracks 20. The mobile base 15 s...

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Abstract

An automatic lubrication system includes a reservoir configured to be coupled to an industrial machine component, a lubricant line coupled to the reservoir, and a mechanism coupled to the reservoir, the mechanism configured to exact an amount of lubricant from the reservoir based solely on movement of the industrial machine component.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims priority to U.S. Provisional Application No. 61 / 605,505, filed Mar. 1, 2012, the entire contents of which are incorporated herein by reference.FIELD OF THE INVENTION[0002]The present invention relates to lubrication of an industrial machine, and in particular to automatic lubrication of one or more structural elements of an industrial machine.BACKGROUND OF THE INVENTION[0003]Industrial machines, such as electric rope or power shovels, draglines, etc., are used to execute digging operations to remove material from a bank of a mine. During that process, the machines employ various large mechanical components (e.g., a boom, a boom handle, a dipper, a dipper door, etc.). The industrial machines further include a variety of structural elements (e.g., pins, bearings, bushings, etc.) that connect the various mechanical components and linkages of the machines. Typically, the structural elements are not lubricated during th...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F01M7/00F01M1/02
CPCF01M7/00F01M1/02F16N9/04E02F9/006E02F3/4075
Inventor VOELZ, NICHOLAS R.COLWELL, JOSEPHKNUTH, JASON
Owner HARNISCHFEGER TECH
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