Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Gear mechanism for a heald shaft drive

A gear mechanism and gear technology, applied to belts/chains/gears, looms, heddles, etc., can solve problems such as different loads of two planetary gears

Inactive Publication Date: 2012-07-04
GROZ BECKERT KG
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In this gear mechanism, different loads on the two planetary gears may result

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Gear mechanism for a heald shaft drive
  • Gear mechanism for a heald shaft drive
  • Gear mechanism for a heald shaft drive

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0065] exist figure 1The corresponding shaft drive 2 of the heald frame 1 is shown in , which causes the vertical movement of the heald frame 1 via the connecting rod 3 as indicated by the two arrows. The shaft drive 2 has a rocker arm 4 that can perform a reciprocating swinging motion. This movement comes from the rotation of the shaft 5 via, for example, an eccentric gear mechanism. If this rotation is a constant accelerated or decelerated rotary motion, then the motion of the heald frame 1 should essentially correspond to a sinusoidal motion. In this case, the sinusoidal form of the deviation, which drives the rocker arm 4 via the connecting rod 3 and the connecting rod, can be ignored. In the shaft drive according to the invention, however, the movement of the shaft 5 is not a constant rotational movement. As an alternative, functioning as a reduction gear, according to figure 2 The gear mechanism 6 produces a rotational movement on an output shaft coincident with the...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present invention relates to a gear mechanism for the drive assembly of a heald shaft ( 1 ), wherein the gear mechanism ( 6, 6 a, 6 b, 6 c) comprises an input shaft ( 7, 7 b, 7 c) and an output shaft ( 5, 5 b, 5 c). The gear mechanism ( 6, 6 a, 6 b, 6 c) generates a differential angle of rotation between the input shaft ( 7, 7 b, 7 c) and the output shaft ( 5, 5 b, 5 c) that is superimposed on the angle of rotation and, in dependence on the angle of rotation, is subjected to an oscillating change. This oscillating change can differ from a harmonic oscillation as a result of the non-circular design of the planet gears ( 11 a, 12 a, 13 a) of the gear mechanism ( 6, 6 b, 6 c), thereby making it possible to realize almost any optional movements for the heald shaft ( 1 ), with low strain on the gears and the bearings. The invention furthermore discloses a simple production method and a compact design.

Description

technical field [0001] The invention relates to gear mechanisms for heald frame drives. Background technique [0002] Weaving machines have so-called heald frames, which are formed from substantially square frames, which carry a large number of healds. The heald guides the warp thread (Kettfaden) in a targeted manner so that it moves out of the warp thread plane to form the shed (Webfach). For this, the heald frame must move up and down according to a specific setting. For this reason, it is necessary to use a so-called shaft transmission mechanism for driving, which produces an oscillating reciprocating motion when it is driven. This movement is transmitted to the heald frame via the connecting rod. The oscillating reciprocating motion of such a power take-off is usually derived from the constant rotational motion of the drive shaft. If, for example, an eccentric gear mechanism is used, then there is a predetermined relationship between the rotational movement of the in...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): D03D51/00D03C9/06F16H37/12
CPCD03C1/00F16H2035/003Y10S475/904F16H35/02
Inventor G·波尔
Owner GROZ BECKERT KG
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com