CA1290276C - Pipe conveyor - Google Patents
Pipe conveyorInfo
- Publication number
- CA1290276C CA1290276C CA000572882A CA572882A CA1290276C CA 1290276 C CA1290276 C CA 1290276C CA 000572882 A CA000572882 A CA 000572882A CA 572882 A CA572882 A CA 572882A CA 1290276 C CA1290276 C CA 1290276C
- Authority
- CA
- Canada
- Prior art keywords
- belt
- support
- roller
- arrangement according
- rollers
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Abstract
A B S T R A C T
The invention relates to a rolled conveyor-belt which in held in share by a series of belt-support rollers located in support-roller stations. The said belt-support rollers are arranged peripherally in such a manner that the ends of the rollers overlap, but without touching each other. If the belt rotates in the peripheral direction, the outer edge thereof does not engage the edge of the following belt-support roller, but bears directly upon the running surface.
The invention relates to a rolled conveyor-belt which in held in share by a series of belt-support rollers located in support-roller stations. The said belt-support rollers are arranged peripherally in such a manner that the ends of the rollers overlap, but without touching each other. If the belt rotates in the peripheral direction, the outer edge thereof does not engage the edge of the following belt-support roller, but bears directly upon the running surface.
Description
--- S P ~ A T I ~ N.
~ 'he invention relates to a roller conve~or-belt, closed in the peri~heral direc-tion and havinp overlappin~ belt-edges, the sald belt beln~ ada~te(l to pass through a pluralit~ of support-roller stations, the said stations being provi~ed with a plurality of belt-support rollers bearing uporl the external periphery Or th~ rolled b~lt German ~S 36 20 906 disclose~ a roLled belt exhibitinp~ the characteristics of tle preamble to the main claim. 1n addition to -this, only a common belt-support roller is provided between the conveying ~return strands of the conveyor. lt is known that rolled-belt conveyors do not alway,s maintain tt~e geometry necessary for an optimal arrangement o~ th~ belt-support ro:Llers. In the case of all known ar~rangernents of this kind, the ed~e of the external overlappin~ edRe Or the belt enga~es the edge of a bel-t-su~Fort roller, as a result of which the belt i~ heavily damaged and is rendered prernaturely unserviceable. Even if cables are incorporated into the outer parts of ~he belt, i.e. the edge-areas, these are also attac.ked and finally wear through.
A wide varlety Or aids are used to improve the guidance of the rolled belt, in or to reduce or pr~vent wandering. For example guide- and control-ro~ls are used or belt-support rollers are set at an angle (~ee German OS 31 ~5 g991 for example)~
However~ all of these deviceg have the disadvanta~e of increasing c08tS and the additional friction introduced leads to premature wear as well as increasing the power required to drive the conveyor.
~2~ 76 " ~,, It is therefore the purpose of the invention to provide a rolled belt which is closed in a peripheral direction with overlapping belt edges such that it can move freely, in the peripheral direction, along the path of the conveyor, without touching any of the edges of the belt-suppoxt rollers, within the rollers, so that it may at all times assume its optimal position, depending upon the loading condition and external factors such as sun, rain, or the like, with any opening of the belt along the path of the conveyor being prevented.
According to the invention, this purpose is ; accomplished in that the belt-support rollers are arranged at the periphery of the rolled belt in such a manner that they overlap without touching each other. In particular, each belt~support roller is overlapped at one end by the next belt-support roller following in the peripheral direction in such a manner that an axial projection of the running surface of each belt-support roller intersects the running surface of the next belt-support roller as seen in the peripheral direction. Additionallyj the direction of overlap of the belt-support rollers corresponds to the direction of overlap of the belt edges. This ensures that the overlapping edges, i.eO the radially outward edge of the rolled belt, when rotated peripherally, do not engage the edges of the following belt-support rollers. This prevents damage to the edges of the belt, thus increasing the life thereof. If the belt is rotated, the outer edge runs directly on the running surface of the following belt-support roller (wedge-action).
ycc/sp ' ' ,'; ' ~;~9~
2a The object of the invention may be used either with stationary belt-support rollers or with support-roller garlands, although different numbers of rollers are required, to wit an odd number (5,7,9) in the case of stationary rollers and an even number (preferably 6) in the case of garlands.
The arrangement o~ belt-support rollers is such that each roller is overlapped at one end by the following roller, all of the rollers being arranged clockwise or anticlockwise, for example, depending upon the overlap of the edges of the conveyor-belt. In any case, the rollers and the belt must overlap in the same direction. The inclination of each following belt-support roller causes the rolled belt to move further in the peripheral direction, without offering any resistance to the relevant belt-edge.
Reverse rotation of the rolled belt also presents no problems, since there is no Pngagement of the overlapping edyes of the belt with the rollers.
1~ ycc~sp , , . ' lhe design and arrangement, according to the invention, of the belt-support roller~ enables the rolled belt to move freely in the ~,erlpherai. direction WittlOUt the useorconstrictive forces. Depending upon circumstances,thebelt cansèek it~,o~n opti.rnal position, with no danger Or inadvertent opening of the belt along the path of the conveyor and with no engagement between the edges of the belt and the outer edge of a roller with destructive consequences.
'~he invent,ion is described hereinarter in conjunction with the drawing attached hereto, wherein;
Fi~s, 1 to 3 are di.agral(lmatical repre3entations o~ various embodime,nts Or the rolled belt according to the invention.
Yig, 1 illustrates a rolled belt-conveyor held in a support-roller station, showr only in part, by upper and lower roller-~arlands 1 and 2, each of which consists of three belt-support rollers 3,~,5 and 6,7,~, runni.ng surfaces 9 of which bear against outer periphery 10 of tl~e rolled belt. Iocated in the vici.ni.t~ of roller ~, which is arranged substantiall,y horizontally, is ove,rlap-area 11 where edges 12,13 o.~ the belt lie one u~on the other.
~ elt-support rollers 3 - 8 are connected together at single hinge,-poi.nts ll, arranged in such a manner that tne said rollers overlap each other. ThiS overl.ap is obtaine,d by difrerent distances a,b an~ it ~revent~ edge 13 of the belt, for example, from en~aginR with sd~e 15 of the following roller 5. In t,his case the number oi' belt-su~port rollers is even~
Fi~. 2 ghow~ a rolled belt-conveyor Or similar desi.gn to that ~n l~l.g, 1 and hav~n~, ove,rlappin~ belt-edKes 12~13. In thi~ case~ however, only .ri.ve 5tationar,v rollers 16,17,1~,,19,20 ar~ provi.ded and overlap area 11 is agai.n in tile viclnit,y of a roller 16 runninF approx,i~tely horiz,ontally. 'rhis overlapping Or roll~,rs 16-20 a~ai.n prevents edge 13 Or thH belt from engaRinR edge 21 of following roller 17, If the, bf~,lt is rotated clockwise, ed&e 13 Or the belt runs di.rectly upon running sur.race 22 of roller 17 and i~ thus protected from damage.
, ;'~ ' ''~, : ' ~29~6 Fig. ~ show9 a rolled belt ~laving 8iX belt-3upport rollers which are arranged in such a manner as to form an approximately V-shaped support at the top and bottom of the beJt whereas lateral roller~ 2~27 are arran~ed substantiall,y vertically.
Here again, rollsrs 23-2~ overlap so that edge 13 of the belt cannot co~e up against ed~e 29 of following roller 23. In thi3 example, overiap area 11 is at about 30 to the vertical and bears a~ainst roller 2~.
~ 'he invention relates to a roller conve~or-belt, closed in the peri~heral direc-tion and havinp overlappin~ belt-edges, the sald belt beln~ ada~te(l to pass through a pluralit~ of support-roller stations, the said stations being provi~ed with a plurality of belt-support rollers bearing uporl the external periphery Or th~ rolled b~lt German ~S 36 20 906 disclose~ a roLled belt exhibitinp~ the characteristics of tle preamble to the main claim. 1n addition to -this, only a common belt-support roller is provided between the conveying ~return strands of the conveyor. lt is known that rolled-belt conveyors do not alway,s maintain tt~e geometry necessary for an optimal arrangement o~ th~ belt-support ro:Llers. In the case of all known ar~rangernents of this kind, the ed~e of the external overlappin~ edRe Or the belt enga~es the edge of a bel-t-su~Fort roller, as a result of which the belt i~ heavily damaged and is rendered prernaturely unserviceable. Even if cables are incorporated into the outer parts of ~he belt, i.e. the edge-areas, these are also attac.ked and finally wear through.
A wide varlety Or aids are used to improve the guidance of the rolled belt, in or to reduce or pr~vent wandering. For example guide- and control-ro~ls are used or belt-support rollers are set at an angle (~ee German OS 31 ~5 g991 for example)~
However~ all of these deviceg have the disadvanta~e of increasing c08tS and the additional friction introduced leads to premature wear as well as increasing the power required to drive the conveyor.
~2~ 76 " ~,, It is therefore the purpose of the invention to provide a rolled belt which is closed in a peripheral direction with overlapping belt edges such that it can move freely, in the peripheral direction, along the path of the conveyor, without touching any of the edges of the belt-suppoxt rollers, within the rollers, so that it may at all times assume its optimal position, depending upon the loading condition and external factors such as sun, rain, or the like, with any opening of the belt along the path of the conveyor being prevented.
According to the invention, this purpose is ; accomplished in that the belt-support rollers are arranged at the periphery of the rolled belt in such a manner that they overlap without touching each other. In particular, each belt~support roller is overlapped at one end by the next belt-support roller following in the peripheral direction in such a manner that an axial projection of the running surface of each belt-support roller intersects the running surface of the next belt-support roller as seen in the peripheral direction. Additionallyj the direction of overlap of the belt-support rollers corresponds to the direction of overlap of the belt edges. This ensures that the overlapping edges, i.eO the radially outward edge of the rolled belt, when rotated peripherally, do not engage the edges of the following belt-support rollers. This prevents damage to the edges of the belt, thus increasing the life thereof. If the belt is rotated, the outer edge runs directly on the running surface of the following belt-support roller (wedge-action).
ycc/sp ' ' ,'; ' ~;~9~
2a The object of the invention may be used either with stationary belt-support rollers or with support-roller garlands, although different numbers of rollers are required, to wit an odd number (5,7,9) in the case of stationary rollers and an even number (preferably 6) in the case of garlands.
The arrangement o~ belt-support rollers is such that each roller is overlapped at one end by the following roller, all of the rollers being arranged clockwise or anticlockwise, for example, depending upon the overlap of the edges of the conveyor-belt. In any case, the rollers and the belt must overlap in the same direction. The inclination of each following belt-support roller causes the rolled belt to move further in the peripheral direction, without offering any resistance to the relevant belt-edge.
Reverse rotation of the rolled belt also presents no problems, since there is no Pngagement of the overlapping edyes of the belt with the rollers.
1~ ycc~sp , , . ' lhe design and arrangement, according to the invention, of the belt-support roller~ enables the rolled belt to move freely in the ~,erlpherai. direction WittlOUt the useorconstrictive forces. Depending upon circumstances,thebelt cansèek it~,o~n opti.rnal position, with no danger Or inadvertent opening of the belt along the path of the conveyor and with no engagement between the edges of the belt and the outer edge of a roller with destructive consequences.
'~he invent,ion is described hereinarter in conjunction with the drawing attached hereto, wherein;
Fi~s, 1 to 3 are di.agral(lmatical repre3entations o~ various embodime,nts Or the rolled belt according to the invention.
Yig, 1 illustrates a rolled belt-conveyor held in a support-roller station, showr only in part, by upper and lower roller-~arlands 1 and 2, each of which consists of three belt-support rollers 3,~,5 and 6,7,~, runni.ng surfaces 9 of which bear against outer periphery 10 of tl~e rolled belt. Iocated in the vici.ni.t~ of roller ~, which is arranged substantiall,y horizontally, is ove,rlap-area 11 where edges 12,13 o.~ the belt lie one u~on the other.
~ elt-support rollers 3 - 8 are connected together at single hinge,-poi.nts ll, arranged in such a manner that tne said rollers overlap each other. ThiS overl.ap is obtaine,d by difrerent distances a,b an~ it ~revent~ edge 13 of the belt, for example, from en~aginR with sd~e 15 of the following roller 5. In t,his case the number oi' belt-su~port rollers is even~
Fi~. 2 ghow~ a rolled belt-conveyor Or similar desi.gn to that ~n l~l.g, 1 and hav~n~, ove,rlappin~ belt-edKes 12~13. In thi~ case~ however, only .ri.ve 5tationar,v rollers 16,17,1~,,19,20 ar~ provi.ded and overlap area 11 is agai.n in tile viclnit,y of a roller 16 runninF approx,i~tely horiz,ontally. 'rhis overlapping Or roll~,rs 16-20 a~ai.n prevents edge 13 Or thH belt from engaRinR edge 21 of following roller 17, If the, bf~,lt is rotated clockwise, ed&e 13 Or the belt runs di.rectly upon running sur.race 22 of roller 17 and i~ thus protected from damage.
, ;'~ ' ''~, : ' ~29~6 Fig. ~ show9 a rolled belt ~laving 8iX belt-3upport rollers which are arranged in such a manner as to form an approximately V-shaped support at the top and bottom of the beJt whereas lateral roller~ 2~27 are arran~ed substantiall,y vertically.
Here again, rollsrs 23-2~ overlap so that edge 13 of the belt cannot co~e up against ed~e 29 of following roller 23. In thi3 example, overiap area 11 is at about 30 to the vertical and bears a~ainst roller 2~.
Claims (10)
1. An arrangement comprising a rolled conveyor-belt, closed in a peripheral direction and having overlapping belt-edges, said belt being adapted to pass through a plurality of support roller stations arranged along the path of the conveyor, said stations being provided with a plurality of belt-support rollers each having a running surface bearing upon the external periphery of the rolled belt, characterized in that:
each belt-support roller is overlapped at one end by the next belt-support roller following in the peripheral direction in such a manner that an axial projection of the running surface of each belt-support roller intersects the running surface of the next belt-support roller as seen in the peripheral direction; and the direction of overlap of said belt-support rollers, when seen in the peripheral direction, corresponds to the direction of overlap of the belt edges.
each belt-support roller is overlapped at one end by the next belt-support roller following in the peripheral direction in such a manner that an axial projection of the running surface of each belt-support roller intersects the running surface of the next belt-support roller as seen in the peripheral direction; and the direction of overlap of said belt-support rollers, when seen in the peripheral direction, corresponds to the direction of overlap of the belt edges.
2. The arrangement according to claim 1, characterized in that the direction of overlap of the belt-support rollers is adjustable according to the direction of overlap of the edges of the belt.
3. The arrangement according to claim 1, characterized in that the belt-support rollers are arranged in such a manner that the rolled belt bears primarily upon two adjacent belt-support rollers.
4. The arrangement according to claim 1, characterized in that said belt-support rollers are stationarily supported.
5. The arrangement according to claim 4, characterized in that the uppermost belt-support roller runs substantially horizontally.
6. The arrangement according to claim 5, characterized in that, in the case of an odd number of belt support rollers, the belt-support rollers arranged on either side of said substantially horizontal uppermost belt-support roller, bear against the periphery of the rolled belt at an angle to the vertical plane.
7. The arrangement according to claim 4, characterized in that the path of the conveyor comprises a transporting section and a returning section, and further characterized in that the uppermost belt-support roller of the support-roller stations arranged along the transporting section and the lowermost belt-support roller of the support-roller stations arranged along the returning section run substantially horizontally.
8. The arrangement according to claim 1, characterized in that said support-roller stations comprise upper and lower belt-support roller garlands.
9. The arrangement according to claim 8, characterized in that only one hinge point is provided between adjacent belt-support rollers.
10. The arrangement according to claim 9, characterized in that the hinge points are located in relation to adjacent belt-support rollers in such a manner as to produce overlapping of the ends of the rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000572882A CA1290276C (en) | 1988-07-22 | 1988-07-22 | Pipe conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000572882A CA1290276C (en) | 1988-07-22 | 1988-07-22 | Pipe conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1290276C true CA1290276C (en) | 1991-10-08 |
Family
ID=4138428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000572882A Expired - Lifetime CA1290276C (en) | 1988-07-22 | 1988-07-22 | Pipe conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1290276C (en) |
-
1988
- 1988-07-22 CA CA000572882A patent/CA1290276C/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |