WO2021165020A1 - Tambour de bande transporteuse à zones coulissantes - Google Patents

Tambour de bande transporteuse à zones coulissantes Download PDF

Info

Publication number
WO2021165020A1
WO2021165020A1 PCT/EP2021/052107 EP2021052107W WO2021165020A1 WO 2021165020 A1 WO2021165020 A1 WO 2021165020A1 EP 2021052107 W EP2021052107 W EP 2021052107W WO 2021165020 A1 WO2021165020 A1 WO 2021165020A1
Authority
WO
WIPO (PCT)
Prior art keywords
conveyor belt
drum
longitudinal direction
sliding
conveyor
Prior art date
Application number
PCT/EP2021/052107
Other languages
German (de)
English (en)
Inventor
Andreas Miketta
Original Assignee
Rwe Power Ag
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 Rwe Power Ag filed Critical Rwe Power Ag
Priority to BR112022016211A priority Critical patent/BR112022016211A2/pt
Priority to AU2021223280A priority patent/AU2021223280B2/en
Publication of WO2021165020A1 publication Critical patent/WO2021165020A1/fr
Priority to ZA2022/08748A priority patent/ZA202208748B/en

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
    • B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/02—Belt- or chain-engaging elements
    • B65G23/04—Drums, rollers, or wheels
    • B65G23/06—Drums, rollers, or wheels with projections engaging abutments on belts or chains, e.g. sprocket wheels
    • 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
    • B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors 
    • B65G39/02—Adaptations of individual rollers and supports therefor
    • B65G39/07—Other adaptations of sleeves
    • B65G39/071—Other adaptations of sleeves for aligning belts or sheets

Definitions

  • the subject of the present invention is a conveyor belt drum with Gleitbe range and a drive area for driving a conveyor belt, as well as a corresponding belt conveyor.
  • Belt conveyors are used to transport bulk goods and piece goods.
  • the belt conveyor is exposed to high loads, particularly when transporting materials extracted from the mining industry.
  • mined materials are understood to mean ores, coal and / or overburden.
  • the corresponding belt conveyors are provided with conveyor belts that are made of an elastomeric material with appropriate reinforcements, in particular steel, in particular steel cable inserts, etcbil det.
  • the conveyor belt and the corresponding conveyor belt drums for driving the conveyor belt are designed for correspondingly high loads.
  • the conveyor belt wears out quickly. This leads to regular repairs and downtime of the belt conveyors.
  • the present invention is based on the object of at least partially overcome the disadvantages known from the prior art and in particular to specify a conveyor belt drum and a corresponding belt conveyor that reduces the wear of the corresponding conveyor belt.
  • Conveyor belt drum for driving a conveyor belt for conveying mined materials, which is rotatable about an axis extending in a longitudinal direction, with a cylinder jacket-shaped outer surface, where the outer surface has two in the longitudinal direction at the end of the outer surface
  • Foundbil Dete sliding areas and one in the longitudinal direction between the Has drive area formed sliding areas
  • the drive area has cleats for the transmission of circumferential force from the conveyor belt drum to the conveyor belt and the sliding areas are free of cleats
  • the drive area having a first coating comprising an aluminum oxide (AI2O3) and the sliding areas a second coating comprising an aluminum oxide (AI2O3) have, where the outer surface has a drum extension in the longitudinal direction and the drive area has a drive area extension and a quotient of drive area extension and drum extension concerns at least 0.6 and at most 0.8 ägt.
  • a cylinder jacket-shaped surface is understood to mean the jacket surface of a cylinder. Both the outer surface and the sliding areas of the drive area are cylinder jacket-shaped surfaces. It has been found that a large part of the wear on the conveyor belt in systems known from the prior art takes place in the edge regions of the conveyor belt. It has been found that increased shear stress in the edge areas of the conveyor belt is the cause of the high level of wear.
  • the drive of the The conveyor belt takes place through cleats on the conveyor belt drums. Cleats are three-dimensional structures that interact with the conveyor belt to transmit a circumferential force from the conveyor belt drum to the conveyor belt.
  • the studs are preferably designed in the form of pyramids with a square or triangular base area, which have a height of 1.5 mm [millimeters] and more, in particular about 2 mm.
  • the conveyor belt has, for example, counter-structures that interact with the cleats and, for example, form a form fit.
  • the power transmission takes place frictionally, in which in particular the tension of the conveyor belt is so great that a frictional connection is established between the cleats and a corresponding underside of the conveyor belt, so that the circumferential force of the conveyor belt drum frictionally, in particular to at least one predominantly through static friction, which can be transferred to the conveyor belt.
  • the first coating comprising at least one aluminum oxide
  • the sliding areas are in the longitudinal direction outside of the drive area.
  • the sliding areas are characterized by the fact that there is no transfer of circumferential force from the conveyor belt drum to the conveyor belt and the conveyor belt therefore slides on it.
  • the conveyor belt for conveying mined materials is in particular made of an elastomer reinforced with steel cables in order to withstand the high loads of the piece goods and in particular the high local loads caused by the impact of the usual sharp-edged pieces of the mined material.
  • the formation of the drive area between two sliding areas and the reduction of the drive area extension according to the invention significantly reduces wear, increases the life of the conveyor belt and increases the downtime of the corresponding conveyor belt Belt conveyor are significantly reduced.
  • the conveyor belt drum according to the invention allows the use of conveyor belts that are customary for the transport of mined materials while at the same time reducing wear and tear. It is therefore not necessary to use conveyor belts that are specially adapted to the conveyor belt drum according to the invention.
  • the quotient of the drive area extension and the drum extension is preferably at least 0.75 and preferably 0.8.
  • a quotient of close to 0.8 has proven to be particularly advantageous, since a high traction in the drive area and thus an efficient drive of the conveyor belt with at the same time low wear in the edge areas of the conveyor belt can be achieved by the sliding areas.
  • the sliding areas preferably each have a sliding area in the longitudinal direction that is identical for both sliding areas.
  • the drive area is preferably formed centrally on the outer surface in the longitudinal direction.
  • a symmetrical embodiment is preferred, in which the drive area is formed centrally in the longitudinal direction on the conveyor belt drum and is symmetrically bordered on the outside by sliding areas with identical sliding area extension.
  • the conveyor belt is preferably also guided symmetrically over the conveyor belt drum, so that a center of the conveyor belt seen in the longitudinal direction of the conveyor belt drum is moved over the center of the conveyor belt drum. Such a symmetrical configuration, the wear of the conveyor belt can be reduced in its two edge areas.
  • the first coating and / or the second coating preferably comprises at least 92% by weight of aluminum oxide (Al2O3).
  • Al2O3 aluminum oxide
  • the first and second coatings are preferably formed from an identical material.
  • the second coating of the sliding areas is preferably designed as a smooth coating.
  • a smooth coating is understood to mean, in particular, the coefficient of friction of which, in particular the coefficient of friction of static friction, is less than 0.2.
  • a belt conveyor for conveying mined materials comprising a conveyor belt and at least one conveyor belt drum according to the present invention, in which the conveyor belt is made of an elastic material and the conveyor belt is so tensioned that a frictional connection between the cleat of the conveyor belt drum and the conveyor belt is formed.
  • a quotient of a width of the conveyor belt in the longitudinal direction of the conveyor belt drum and the sum of the sliding area extensions of the sliding areas in the longitudinal direction and the drive region extension in the longitudinal direction is preferably greater than or equal to 0.9, preferably greater than or equal to 0.95 and less than or equal to 1.0.
  • a width of the conveyor belt is preferably adapted to the drum extension and essentially corresponds to it. This allows a low-wear drive of the conveyor belt through the conveyor belt drum.
  • 1 shows an example of a conveyor belt drum
  • 2 shows a first example of a belt conveyor with the example of the conveyor belt drum from FIG. 1;
  • FIG. 3 shows a section of a surface of the example of the conveyor belt drum from FIG. 1;
  • Fig. 4 is a schematic drawing of a second example of a belt conveyor.
  • Fig. 1 shows schematically an example of a conveyor belt drum 1 for driving a conveyor belt, not shown here, for conveying materials promoted by mining. This is mounted on a bearing housing 2 with roller bearings about an axis 4 ro tierbar, which extends in a longitudinal direction 5.
  • the conveyor belt drum 1 can be connected via couplings 3 to a drive unit, not shown, which preferably comprises an electric motor.
  • the material drum 1 has an outer surface 6 in the shape of a cylinder jacket, which is used to drive a conveyor belt, not shown here.
  • the outer surface 6 comprises two sliding areas 7 which are formed in the longitudinal direction 5 at the outer ends of the outer surface 6.
  • a drive area 8 is formed between the sliding areas 7.
  • the outer surface 6 has a drum extension 9 in the longitudinal direction 5. Both sliding areas 7 have an identical sliding area extension 10, while the drive area 8 has a drive has area extension 11.
  • the conveyor belt drum 1 is designed such that a quotient of the drive area extension 11 and the drum extension is 90.6.
  • the drive area 8 has studs through which a circumferential force which is applied to the outer surface 8 when the conveyor belt drum 1 is rotated via the drive unit is transmitted to the conveyor belt, not shown here.
  • Sliding areas 7 and drive area 8 are designed symmetrically with respect to the outer surface 6 in the longitudinal direction 5.
  • a drive area 8 only over a minimum of 60% and a maximum of 80% of the drum extension 9, the circumferential forces that are applied to the outer surface 6 of the conveyor belt drum 1 are only transferred to the conveyor belt in this area, but not to the both sliding areas 7. This leads to a reduction in wear in the edge areas of the conveyor belt.
  • Fig. 2 shows a perspective view of a section of a first example of a belt conveyor 12 with a conveyor belt drum 1 as described in FIGS. 1 and 3, the drive units 2 and the bearings 3.
  • a conveyor belt 13 is stretched over the mining Funded substances are promoted.
  • the conveyor belt 13 is tensioned so that the cleats in the drive area 8 of the outer surface 6 elastically deform a surface 14 of the conveyor belt 13 and thereby create a frictional connection with the surface 14 to transmit the circumferential force, which is essentially based on static friction. In this way, high circumferential forces can be transmitted without slippage.
  • Fig. 3 shows a section of the outer surface 6 of the example of a conveyor belt drum 1 from Fig. 1 with a sliding area 7 and the drive area 8.
  • the drive area 8 is composed of several first elements 16, which for the sake of clarity are only partially provided with reference numerals are, while the sliding area 7 is composed of a plurality of second elements 15 which are only partially provided with reference numerals for the sake of clarity.
  • the first elements 16 form a first coating 19 in the drive area and the second elements 15 a second coating 20 in the sliding area 7.
  • First elements 16 and second elements 15 are formed from a ceramic material which comprises at least 92 weight aluminum oxide (Al2O3). On the one hand, this is highly abrasive for the conveyor belt 13, but on the other hand it is wear-resistant and in the drive area 8 causes good adhesion between the drive area 8 and the surface 14 of the conveyor belt 13.
  • the drive area 8 and thus the first elements 16 point towards the conveyor belt 13 facing surface studs 18, which are only partially provided with reference numerals for the sake of clarity.
  • the sliding area 7 is stol lenok designed as a smooth coating.
  • the lugs 13 are designed as dreidimensio nal elevations, which protrude in the radial direction the surface of the sliding area 7, so that the lugs 18, when the conveyor belt 13 is stretched over the conveyor belt drum 1, the surface 14 of the conveyor belt 13 elastically deform and a Form frictional engagement with the surface 14.
  • FIGS. 1 to 3 show a schematic plan view of a second example of a belt conveyor 12. Only the differences from the first example are described here, otherwise reference is made to FIGS. 1 to 3 and their description in order to avoid repetition.
  • the conveyor belt drum 1 not shown here, is designed in such a way that the drive area makes up 880% of the drum extension 9 in the longitudinal direction 5.
  • the conveyor belt 13 has a larger driven area 21 and two correspondingly smaller sliding areas 22.
  • the driven region 21 is guided over the drive region 8 of the outer surface 6 of the conveyor belt drum 1 and the sliding regions 22 over the sliding regions 7 of the outer surface 6 of the conveyor belt drum 1, as described above.
  • the width of the driven loading area 21 in the longitudinal direction 5 of the conveyor belt drum 1 thus corresponds to the extent of the drive area 11, while the width of the sliding area 22 in the longitudinal direction 5 of the conveyor belt drum 1 corresponds to the extent of the sliding area 10.
  • the conveyor belt 13 has a center line 23 which is placed centrally in the longitudinal direction 5 on the outer surface 6 of the conveyor belt drum 1 when the conveyor belt 13 is installed. During operation, the conveyor belt 13 is moved in the drive direction 24 perpendicular to the longitudinal direction 5 of the conveyor belt drum 1, which is rotated about the axis 4, which is aligned in the longitudinal direction 5.
  • the conveyor belt 13 has a width 25 which corresponds to the sum of the slide area extensions 10 and the drive area extension 11.
  • the conveyor belt drum 1 has an outer surface 6 with a drive area 8 and two sliding areas 7 lying in a longitudinal direction 5 outside the drive area 8.
  • the drive area 8 has cleats 18 via which the circumferential force of the conveyor belt drum 1 can be transmitted to the conveyor belt 13.
  • the sliding areas 7 are free of cleats. As a result, wear of the conveyor belt 13 in the areas 22 sliding on the sliding areas 7 is significantly reduced, so that the service life of the conveyor belt 13 is increased.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Belt Conveyors (AREA)
  • Structure Of Belt Conveyors (AREA)

Abstract

L'invention concerne un tambour de bande transporteuse (1) comportant une surface extérieure (6) pourvue d'une zone d'entraînement (8), et comportant également deux zones coulissantes (7) situées à l'extérieur de la zone d'entraînement (8), comme vu dans une direction longitudinale (5). La zone d'entraînement (8) comporte des crampons (18), par l'intermédiaire desquels la force circonférentielle du tambour de bande transporteuse (1) peut être transmise à la bande transporteuse (13). Les zones coulissantes (7) sont dépourvues de crampons. Cela réduit significativement l'usure de la bande transporteuse (13) dans les zones (22) qui coulissent sur les zones coulissantes (7) et, par conséquent, la durée de vie de la bande transporteuse (13) augmente.
PCT/EP2021/052107 2020-02-18 2021-01-29 Tambour de bande transporteuse à zones coulissantes WO2021165020A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR112022016211A BR112022016211A2 (pt) 2020-02-18 2021-01-29 Tambor da correia transportadora
AU2021223280A AU2021223280B2 (en) 2020-02-18 2021-01-29 Conveyor-belt drum with sliding regions
ZA2022/08748A ZA202208748B (en) 2020-02-18 2022-08-04 Conveyor-belt drum with sliding regions

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020104251.5 2020-02-18
DE102020104251.5A DE102020104251A1 (de) 2020-02-18 2020-02-18 Fördergurttrommel mit Gleitbereichen

Publications (1)

Publication Number Publication Date
WO2021165020A1 true WO2021165020A1 (fr) 2021-08-26

Family

ID=74494916

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/052107 WO2021165020A1 (fr) 2020-02-18 2021-01-29 Tambour de bande transporteuse à zones coulissantes

Country Status (6)

Country Link
AU (1) AU2021223280B2 (fr)
BR (1) BR112022016211A2 (fr)
CL (1) CL2022002229A1 (fr)
DE (1) DE102020104251A1 (fr)
WO (1) WO2021165020A1 (fr)
ZA (1) ZA202208748B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114522555A (zh) * 2021-12-21 2022-05-24 重庆市潼南区九橡化大环保科技有限公司 一种沥青混合料测试用混合装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU534291B2 (en) * 1978-12-26 1984-01-19 Nippon Tsusho Co. Ltd. Lagging body for belt conveyor pulley
AU575408B2 (en) * 1984-06-26 1988-07-28 Flexible Steel Lacing Company Replaceable lagging for belt driving drums
DE20018661U1 (de) * 2000-11-02 2000-12-28 Stahlgruber Gruber & Co Otto Verschleißfester Mehrschichtbelag
WO2016005454A2 (fr) * 2014-07-09 2016-01-14 Vesuvius France Sa Rouleau comprenant un revêtement abradable

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4290761A (en) 1978-12-26 1981-09-22 Nippon Tsusho Company Limited Lagging body for belt conveyor pulley
US4449958A (en) 1981-09-24 1984-05-22 Conrad Rene A Positive tracking pulley and belt construction
JPH0741128A (ja) 1993-06-25 1995-02-10 Ryuzo Yamada ベルトコンベア
DE29912271U1 (de) 1999-07-14 1999-09-30 Ohligschlaeger Hans Joachim Belag für Förderbandrollen
RU2005104829A (ru) 2002-07-22 2005-08-27 Блау-Нокс Констракшн Эквипмент Корп. (Us) Зубчатый ремень и конвейер с зубчатым ремнем и роликовым поддерживающим рельсом
US8196738B1 (en) 2010-05-07 2012-06-12 Precision, Inc. Ceramic pulley lagging

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU534291B2 (en) * 1978-12-26 1984-01-19 Nippon Tsusho Co. Ltd. Lagging body for belt conveyor pulley
AU575408B2 (en) * 1984-06-26 1988-07-28 Flexible Steel Lacing Company Replaceable lagging for belt driving drums
DE20018661U1 (de) * 2000-11-02 2000-12-28 Stahlgruber Gruber & Co Otto Verschleißfester Mehrschichtbelag
WO2016005454A2 (fr) * 2014-07-09 2016-01-14 Vesuvius France Sa Rouleau comprenant un revêtement abradable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114522555A (zh) * 2021-12-21 2022-05-24 重庆市潼南区九橡化大环保科技有限公司 一种沥青混合料测试用混合装置
CN114522555B (zh) * 2021-12-21 2023-01-24 重庆市潼南区九橡化大环保科技有限公司 一种沥青混合料测试用混合装置

Also Published As

Publication number Publication date
ZA202208748B (en) 2023-12-20
CL2022002229A1 (es) 2023-04-21
DE102020104251A1 (de) 2021-08-19
AU2021223280A1 (en) 2022-09-22
AU2021223280B2 (en) 2022-12-15
BR112022016211A2 (pt) 2022-10-04

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