WO1990008716A1 - Chaine - Google Patents

Chaine Download PDF

Info

Publication number
WO1990008716A1
WO1990008716A1 PCT/GB1990/000148 GB9000148W WO9008716A1 WO 1990008716 A1 WO1990008716 A1 WO 1990008716A1 GB 9000148 W GB9000148 W GB 9000148W WO 9008716 A1 WO9008716 A1 WO 9008716A1
Authority
WO
WIPO (PCT)
Prior art keywords
chain
links
bush
drive chain
bush means
Prior art date
Application number
PCT/GB1990/000148
Other languages
English (en)
Inventor
Alan Hodgson
Original Assignee
Huwood Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huwood Limited filed Critical Huwood Limited
Publication of WO1990008716A1 publication Critical patent/WO1990008716A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
    • B65G19/18—Details
    • B65G19/22—Impellers, e.g. push-plates, scrapers; Guiding means therefor
    • B65G19/24—Attachment of impellers to traction element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/30—Details; Auxiliary devices
    • B65G17/38—Chains or like traction elements; Connections between traction elements and load-carriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
    • B65G19/18—Details
    • B65G19/20—Traction chains, ropes, or cables
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G13/00—Chains
    • F16G13/02—Driving-chains
    • F16G13/06—Driving-chains with links connected by parallel driving-pins with or without rollers so called open links
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02—Articles

Definitions

  • the present invention relates to conveyor drive chains.
  • Conveyor drive chains especially those used for bulk material as for example in various mining operations involve exposure of the drive chain to particularly severe operating conditions including exposure to contamination with extraneous particulate material such as coal dust in the case of coal mining machinery.
  • Conventional drive chains include a large number of bearing surfaces since each link in the chain is connected to neighbouring links by two pivot pins, and each of these bearing surfaces is exposed to ingress of foreign, more or less abrasive, matter and hence to wear resulting in loss of performance and eventual failure of the chain.
  • Such drive chains are moreover subjected to relatively high loadings and tensions and the wear and pin hole elongation which inevitably occurs with such known chains leads to rapid slackening of the chain and in turn to further problems as chain disengagement from drive spro ⁇ ckets etc., due to the limited stretch of the known chains.
  • a further problem that can arise with twin or parallel drive chains in the case of differential wear of the pins and/or bushes is that of loss of alignment of cross flights or paddles mounted across the chains, which are normally required to be maintained square with respect to the drive chains for proper entrainment of bulk material etc.
  • the present invention provides a conveyor drive chain comprising a plurality of chain links interconnected by pivot pin means, said links having bush means through which said pivot pin means extend, characterised in that said bush means are of a resiliently torsionally deform- able material and in that said pivot pin means are non- rotatably secured in said bush means, and said bush means are non-rotatably mounted in said links, whereby flexing of said chain may occur without relative rotation at the interface between the bush means and the pivot pin means by means of rotational deformation of said bush means.
  • the bushes may be made of any suitable resiliently torsionally deformable material including polymeric materials and especially natural or synthetic rubber.
  • the bushes may be non-rotatably secured to the link pins and to the chain links by any one or more of mechanical interlocking, interference fit therebetween, and by means of the use of suitable adhesives adapted for bonding between the bush material e.g. rubber and the pin material e.g. steel.
  • Any suitable form of mechanical interlocking may be employed including various non-circular section pins and bushes e.g. polygonal, including splined, as well as substantially circular but with a suitable keyway for insertion of a key between the pin and bush.
  • any suitable form of chain links may be used in a drive chain of the invention including on the one hand chain links which are all substantially similar and on the other hand alternating main links and connecting links. Also there may be used bushes at all the interfaces between links and pins, or only at some of them, with the pins being non-rotatably secured e.g. by clamping, welding etc., at the others.
  • conveyor drive chain including drive chains having flight bars and/or conveyor buckets connected thereto and systems having twin or parallel drive chains with flight bars or buckets connected thereto.
  • the present invention extends to a conveyor suitable for use in the conveying of bulk material and having a conveyor drive chain of the invention.
  • Fig. 1 is an exploded detail perspective view of an elevator chain and flight assembly
  • Fig. 2 is a side elevation of part of the chain of Fig. 1 on an enlarged scale.
  • Fig. 1 shows a drive chain 1 comprising a plurality of main chain links 2 interconnected by connecting links 3 at each side 4 of the chain, the connecting links and main chain links being connected to each other by pivot pins 5.
  • the main chain links 2 each have a pair of generally cylindrical rubber bushes 6 through which extends a part cylindrical bore 7.
  • the pivot pins 5 are also substantially cylindrical with a flat 8 at one side so as to be a close fit within the bush bore 7 and be non-rotatably secured therein.
  • the outer cylindrical face 9 of the bush 6 (see Fig. 2) is secured to the inner cylindrical face 10 of a bush mounting bore 11 inside each end 12 of the main chain link 2 by a suitable adhesive so as to prevent relative rotation therebetween.
  • the connecting links 3 are in the form of closed loops 13 formed and arranged so as to define generally cylindr ⁇ ical bores 14 at each end for receiving respective ends 15 of pivot pins 5.
  • the generally ring shaped ends of the connecting links 3 defining the bores 14 are inter ⁇ connected by parallel spaced apart link portions 17 provided with a bore 18 through which can extend a clamping means in the form of a nut and bolt 19. As the nut and bolt are tightened, the members 17 are drawn together thereby reducing the diameter of the end bores 14 so as to clamp the pivot pin ends 15 securely in the link members 3.
  • the connecting links may be clamped to the pivot pins 5 with the links extending along the longitudinal axis of the chain in a substantially rectilinear disposition in the undeformed condition of the bushes or if preferred at a slight angle to each other so as to distribute the deformational stresses in the bushes 4 more evenly throughout the length of the chain 1.
  • the pivot pins 5 are provided with axially extending threaded studs 21 for securing of flight bars 22 thereto with the aid of suitable nuts 23 so as to form an elevator assembly 24 with a further drive chain 25 connected to the other ends 26 of the flight bars 22.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

L'invention concerne une chaîne d'entraînement (1) comprenant une pluralité de maillons (2, 3) reliés par des pivots (4). Les maillons (2) comportent des manchons (6) dans lesquels s'étendent les pivots (4), et lesquels sont fait d'une matière déformable de manière résiliente et par torsion. Les pivots (4) sont fixés de manière non rotative dans les manchons (6), de sorte que la chaîne (1) puisse fléchir sans rotation relative à l'interface entre lesdits manchons (6) et lesdits pivots (4), par déformation rotationnelle desdits manchons (6).
PCT/GB1990/000148 1989-02-04 1990-02-02 Chaine WO1990008716A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898902510A GB8902510D0 (en) 1989-02-04 1989-02-04 Chain
GB8902510.0 1989-02-04

Publications (1)

Publication Number Publication Date
WO1990008716A1 true WO1990008716A1 (fr) 1990-08-09

Family

ID=10651138

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1990/000148 WO1990008716A1 (fr) 1989-02-04 1990-02-02 Chaine

Country Status (5)

Country Link
CN (1) CN1044627A (fr)
AU (1) AU5039390A (fr)
GB (1) GB8902510D0 (fr)
WO (1) WO1990008716A1 (fr)
ZA (1) ZA90642B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103883675A (zh) * 2014-03-28 2014-06-25 杭州东华链条集团有限公司 一种连接处带防转功能的钢制销合链
US9475644B2 (en) 2009-04-30 2016-10-25 Joy MM Deleware, Inc. Sound dampening conveyor chain flight
RU2613114C2 (ru) * 2011-08-29 2017-03-15 Джой ММ Делавэр, Инк. Скребок для скребкового узла конвейерной цепи, скребковый узел конвейерной цепи ( варианты ) и способ сборки скребкового узла конвейерной цепи (варианты )
US10392193B2 (en) 2017-03-06 2019-08-27 Joy Global Underground Mining Llc Chain conveyor link
US11858745B2 (en) 2021-01-28 2024-01-02 Joy Global Underground Mining Llc Chain conveyor and link for same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6662932B1 (en) * 2003-06-01 2003-12-16 Joy Mm Delaware, Inc. Chain and flight conveyor with swivel links
CN103277460A (zh) * 2013-05-29 2013-09-04 吴明华 一种链条
CN110701246A (zh) * 2019-09-25 2020-01-17 石河子大学 一种摩擦链条

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1006333A (fr) * 1947-12-19 1952-04-22 Peugeot Freres Ets Chaîne de transmission perfectionnée
FR1247504A (fr) * 1958-11-17 1960-12-02 Sciences Tech Ets Articulation élastique et mécanique notamment pour éléments de chaîne
GB1490833A (en) * 1976-03-24 1977-11-02 Pratt Mfg Corp Conveyors having mounting means for conveyor flight

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1006333A (fr) * 1947-12-19 1952-04-22 Peugeot Freres Ets Chaîne de transmission perfectionnée
FR1247504A (fr) * 1958-11-17 1960-12-02 Sciences Tech Ets Articulation élastique et mécanique notamment pour éléments de chaîne
GB1490833A (en) * 1976-03-24 1977-11-02 Pratt Mfg Corp Conveyors having mounting means for conveyor flight

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9834383B2 (en) 2009-04-30 2017-12-05 Joy Mm Delaware, Inc. Sound dampening conveyor chain flight
US9475644B2 (en) 2009-04-30 2016-10-25 Joy MM Deleware, Inc. Sound dampening conveyor chain flight
US10150617B2 (en) 2009-04-30 2018-12-11 Joy Global Underground Mining Llc Sound dampening conveyor chain flight
RU2750270C2 (ru) * 2011-08-29 2021-06-25 Джой Глоубал Андеграунд Майнинг ЭлЭлСи Звеньевой узел конвейерной цепи (варианты), скребковый узел для звена конвейерной цепи и звеньевой скребковый узел конвейерной цепи (варианты)
RU2613114C2 (ru) * 2011-08-29 2017-03-15 Джой ММ Делавэр, Инк. Скребок для скребкового узла конвейерной цепи, скребковый узел конвейерной цепи ( варианты ) и способ сборки скребкового узла конвейерной цепи (варианты )
CN103883675A (zh) * 2014-03-28 2014-06-25 杭州东华链条集团有限公司 一种连接处带防转功能的钢制销合链
US10392193B2 (en) 2017-03-06 2019-08-27 Joy Global Underground Mining Llc Chain conveyor link
US10414594B2 (en) 2017-03-06 2019-09-17 Joy Global Underground Mining Llc Chain conveyor
US10442627B2 (en) 2017-03-06 2019-10-15 Joy Global Underground Mining Llc Chain conveyor and coupler link for same
US10604347B2 (en) 2017-03-06 2020-03-31 Joy Global Underground Mining Llc Drive shaft and sprockets for chain conveyor
US10717603B2 (en) 2017-03-06 2020-07-21 Joy Global Underground Mining Llc Chain conveyor and link for same
US10974905B2 (en) 2017-03-06 2021-04-13 Joy Global Underground Mining Llc Chain conveyor and coupler link for same
US10981728B2 (en) 2017-03-06 2021-04-20 Joy Global Underground Mining Llc Chain conveyor
US11440736B2 (en) 2017-03-06 2022-09-13 Joy Global Underground Mining Llc Chain conveyor
US11530095B2 (en) 2017-03-06 2022-12-20 Joy Global Underground Mining Llc Chain conveyor and link for same
US11858745B2 (en) 2021-01-28 2024-01-02 Joy Global Underground Mining Llc Chain conveyor and link for same

Also Published As

Publication number Publication date
GB8902510D0 (en) 1989-03-22
ZA90642B (en) 1990-10-31
CN1044627A (zh) 1990-08-15
AU5039390A (en) 1990-08-24

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