WO2006110030A1 - Conveyor belt - Google Patents

Conveyor belt Download PDF

Info

Publication number
WO2006110030A1
WO2006110030A1 PCT/NL2006/000188 NL2006000188W WO2006110030A1 WO 2006110030 A1 WO2006110030 A1 WO 2006110030A1 NL 2006000188 W NL2006000188 W NL 2006000188W WO 2006110030 A1 WO2006110030 A1 WO 2006110030A1
Authority
WO
WIPO (PCT)
Prior art keywords
belt
conveying apparatus
trays
sides
conveyor belt
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.)
Ceased
Application number
PCT/NL2006/000188
Other languages
French (fr)
Inventor
Franciscus Johannes Maria Van Zaal
Johannes Adrianus Kok
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TOTAAL TECHNIEK FRANS VAN ZAAL BV
Original Assignee
TOTAAL TECHNIEK FRANS VAN ZAAL BV
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 TOTAAL TECHNIEK FRANS VAN ZAAL BV filed Critical TOTAAL TECHNIEK FRANS VAN ZAAL BV
Priority to EP06732995A priority Critical patent/EP1871694B1/en
Priority to AT06732995T priority patent/ATE512912T1/en
Priority to PL06732995T priority patent/PL1871694T3/en
Publication of WO2006110030A1 publication Critical patent/WO2006110030A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • 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
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/14—Greenhouses
    • A01G9/143—Equipment for handling produce in greenhouses
    • 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
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/60—Arrangements for supporting or guiding belts, e.g. by fluid jets
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

Definitions

  • the invention relates to a conveying apparatus comprising an endless belt which is moved by means of rollers and on which an object can be placed and conveyed.
  • Such an apparatus is well known as a conveying apparatus.
  • a conveying apparatus For the conveyance of objects, it has been found that the transition of the rollers can cause a problem because bumping or colliding can occur therein due to the weight of the object to be conveyed.
  • the belt is preferably supported so as to be level over its whole width. This results in a high point load and results in bumping which is at least disturbing or noisy, and which causes wear of the belt so that its lifespan is considerably shortened. It is an object of the invention to provide a conveying apparatus where such drawbacks do not occur or occur less.
  • the rollers are designed with a central reduction, the belt is only supported on the sides.
  • the object is suspendedly supported substantially from the sides of the belt.
  • the stiffness and shape of the belt, the shape of the reduction and the shape and weight of the object to be conveyed can be geared to one another. Thus, disturbing vibrations and bumps can be reduced.
  • the invention is preferably used with a conveying apparatus comprising: an amount of elongated trays for cultivating crop, the trays comprising wheels placed at least on one side in the cross direction of the tray; an amount of cultivation lines set up in a cultivation room, comprising guide elements for taking up the trays, each of the cultivation lines at least comprising a loading station set up at a conveyor belt; a conveyor belt according to the aspects mentioned hereinabove; and means for loading and unloading the trays between the loading stations and the conveyor belt.
  • Fig. 1 shows a front view of a conveying apparatus according to the invention
  • Fig. 2 shows a side elevational view of the conveying apparatus according to Figure 1; and Fig. 3 shows an overall view of the conveying apparatus according to the preceding Figures.
  • Fig. 1 a conveying apparatus 2 according to the invention is shown.
  • Fig. 2 shows the apparatus of Fig. 1 in a side elevational view.
  • the conveying apparatus 1 comprises an endless belt 2 which is moved by means of rollers 3. On the belt 2, an object 4 can be placed and conveyed. As can be seen in Fig. 1, the roller 3 is designed with a central reduction 5, i.e. a part with a smaller outer diameter than the outer parts 6. Thus, the belt 2 is only supported by the outer parts 6 on the sides 7. Thus, the object 4 is suspendedly supported substantially from the sides 7 of the belt 2.
  • Fig. 1 further shows that the reduction 5 is designed with a central cylindrical part.
  • the side parts 6 contiguous thereto are conical.
  • the shape of the reduction 5 and the stiffness of the belt 2 need to be geared to each other.
  • the belts 2 are preferably from a thick, rubberlike material of approx. 1-2 cm, manufactured for further absorbing shocks during the transition of an object 4 over a roller 3.
  • the belt 2 is approx. 10 cm wide for supporting an object 4 having a diameter of approx. 7 cm.
  • the rollers 3 are arranged at a distance of approx. 10-15 cm with respect to one another.
  • Fig. 3 further shows the setup as it is preferably used by the invention for conveying a cultivation tray 8 or cultivation trough.
  • a cultivation tray 8 or cultivation trough These are elongated trays which are used for crop cultivation in, for instance, greenhouses.
  • two conveyor belts 2 set up parallel to each other are provided for each supporting a wheel 9 of the tray 8.
  • the conveyor belts 2 can be set up separately or can be connected via a central frame 10.
  • the rollers 3 are mounted in a U-shaped profile 11 which runs via the longitudinal direction of the conveyor belt 2.
  • the belt 2 is dimensioned for suspendedly supporting a wheel 9 of the tray 8.
  • Such a system is used for conveying an amount of elongated trays 8 for cultivating crops in, for instance, a greenhouse.
  • the trays comprise wheels placed in the cross direction of the tray; alternatively, only one wheel may be present and a support element without a wheel.
  • an amount of cultivation lines may be set up in the greenhouse.
  • Such cultivation troughs generally comprise guide elements for taking up the trays and a loading station set up at the conveyor belt. Further, lifting means may be provided for loading the trays from and onto the conveyor belt.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Belt Conveyors (AREA)
  • General Details Of Gearings (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)

Abstract

A conveying apparatus (1) comprising an endless belt (2) which is moved over rollers (6) by means of a drive and on which an object (4) can be placed and conveyed, characterized in that the rollers are designed with a central reduction (5), so that the belt (2) is only supported on the sides (7) and the object (9) is suspendedly supported substantially from the sides (7) of the belt (2). Thus, disturbing resonances, bumps and vibration can be reduced and the object is fixed on the belt.

Description

Title: Conveyor belt
The invention relates to a conveying apparatus comprising an endless belt which is moved by means of rollers and on which an object can be placed and conveyed.
Such an apparatus is well known as a conveying apparatus. For the conveyance of objects, it has been found that the transition of the rollers can cause a problem because bumping or colliding can occur therein due to the weight of the object to be conveyed. In particular, with the known apparatus, the belt is preferably supported so as to be level over its whole width. This results in a high point load and results in bumping which is at least disturbing or noisy, and which causes wear of the belt so that its lifespan is considerably shortened. It is an object of the invention to provide a conveying apparatus where such drawbacks do not occur or occur less.
This is achieved by an apparatus according to the measures of claim 1. In particular, because the rollers are designed with a central reduction, the belt is only supported on the sides. Thus, the object is suspendedly supported substantially from the sides of the belt. Here, the stiffness and shape of the belt, the shape of the reduction and the shape and weight of the object to be conveyed can be geared to one another. Thus, disturbing vibrations and bumps can be reduced. The invention is preferably used with a conveying apparatus comprising: an amount of elongated trays for cultivating crop, the trays comprising wheels placed at least on one side in the cross direction of the tray; an amount of cultivation lines set up in a cultivation room, comprising guide elements for taking up the trays, each of the cultivation lines at least comprising a loading station set up at a conveyor belt; a conveyor belt according to the aspects mentioned hereinabove; and means for loading and unloading the trays between the loading stations and the conveyor belt.
The invention will be explained in more detail with reference to the Figures, in which:
Fig. 1 shows a front view of a conveying apparatus according to the invention;
Fig. 2 shows a side elevational view of the conveying apparatus according to Figure 1; and Fig. 3 shows an overall view of the conveying apparatus according to the preceding Figures.
In the Figures, same parts are designated by same reference numerals. In Fig. 1, a conveying apparatus 2 according to the invention is shown. Fig. 2 shows the apparatus of Fig. 1 in a side elevational view.
The conveying apparatus 1 comprises an endless belt 2 which is moved by means of rollers 3. On the belt 2, an object 4 can be placed and conveyed. As can be seen in Fig. 1, the roller 3 is designed with a central reduction 5, i.e. a part with a smaller outer diameter than the outer parts 6. Thus, the belt 2 is only supported by the outer parts 6 on the sides 7. Thus, the object 4 is suspendedly supported substantially from the sides 7 of the belt 2.
Fig. 1 further shows that the reduction 5 is designed with a central cylindrical part. The side parts 6 contiguous thereto are conical. In order to be able to suspendedly support the object, the shape of the reduction 5 and the stiffness of the belt 2 need to be geared to each other. Further, the belts 2 are preferably from a thick, rubberlike material of approx. 1-2 cm, manufactured for further absorbing shocks during the transition of an object 4 over a roller 3. In the embodiment shown, the belt 2 is approx. 10 cm wide for supporting an object 4 having a diameter of approx. 7 cm. Here, the rollers 3 are arranged at a distance of approx. 10-15 cm with respect to one another.
Fig. 3 further shows the setup as it is preferably used by the invention for conveying a cultivation tray 8 or cultivation trough. These are elongated trays which are used for crop cultivation in, for instance, greenhouses. For conveying such a tray, two conveyor belts 2 set up parallel to each other are provided for each supporting a wheel 9 of the tray 8. The conveyor belts 2 can be set up separately or can be connected via a central frame 10. The rollers 3 are mounted in a U-shaped profile 11 which runs via the longitudinal direction of the conveyor belt 2. As is shown, the belt 2 is dimensioned for suspendedly supporting a wheel 9 of the tray 8.
Such a system is used for conveying an amount of elongated trays 8 for cultivating crops in, for instance, a greenhouse. As shown, the trays comprise wheels placed in the cross direction of the tray; alternatively, only one wheel may be present and a support element without a wheel.
For use of this system, an amount of cultivation lines may be set up in the greenhouse. Such cultivation troughs generally comprise guide elements for taking up the trays and a loading station set up at the conveyor belt. Further, lifting means may be provided for loading the trays from and onto the conveyor belt.
Although the invention is set forth on the basis of a preferred embodiment, it is not limited thereto. Thus, different elements may also be conveyed using the belt, for instance cylindrical elements, or also differently shaped elongated elements, for instance beam-shaped elements. Such objects, provided that their shapes are geared to the reduction of the guide rollers, may also be transported very well without bumping and with little noise with the aid of the conveying apparatus according to the invention. The scope of the invention is defined by the following claims.

Claims

1. A conveying apparatus comprising an endless belt which, can be moved over rollers by means of a drive and on which an object can be placed and conveyed, characterized in that the rollers are designed with a central reduction, so that the belt is only supported on the sides and the object is
5 suspendedly supported substantially from the sides of the belt.
2. A conveying apparatus according to claim 1, characterized in that the reduction is designed with a central cylindrical part and, on the sides, conical parts contiguous thereto, wherein the shape of the reduction, the 0 stiffness of the belt, and the weight of the object to be supported are geared to one another so that the object is centrally fixed on the belt.
3. A conveying apparatus according to claim 1 or 2, characterized in that two conveyor belts set up parallel next to each other are provided for each 5 supporting a wheel or other support means of a conveying tray to be conveyed by the apparatus, wherein the respective belts have a dimensioning for suspendedly supporting such a wheel.
4. A conveying apparatus according to any one of the preceding claims, ° wherein the belts are manufactured from a thick rubberlike material.
5. A conveying apparatus comprising: an amount of elongated trays for cultivating crop, the trays comprising wheels placed at least on one side in the cross direction of the 5 tray; an amount of cultivation lines set up in a cultivation space, comprising guide elements for taking up the trays, each of the cultivation lines at least comprising a loading station set up at a conveyor belt; a conveyor belt according to at least one of the preceding claims; and - means for loading and unloading the trays between the loading stations and the conveyor belt.
PCT/NL2006/000188 2005-04-11 2006-04-11 Conveyor belt Ceased WO2006110030A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP06732995A EP1871694B1 (en) 2005-04-11 2006-04-11 Conveyor belt
AT06732995T ATE512912T1 (en) 2005-04-11 2006-04-11 CONVEYOR BELT
PL06732995T PL1871694T3 (en) 2005-04-11 2006-04-11 Conveyor belt

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1028734A NL1028734C2 (en) 2005-04-11 2005-04-11 Conveyor belt.
NL1028734 2005-04-11

Publications (1)

Publication Number Publication Date
WO2006110030A1 true WO2006110030A1 (en) 2006-10-19

Family

ID=35482449

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2006/000188 Ceased WO2006110030A1 (en) 2005-04-11 2006-04-11 Conveyor belt

Country Status (5)

Country Link
EP (1) EP1871694B1 (en)
AT (1) ATE512912T1 (en)
NL (1) NL1028734C2 (en)
PL (1) PL1871694T3 (en)
WO (1) WO2006110030A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2542885A (en) * 1947-05-22 1951-02-20 Abner J Troyer Portable conveyer
JPS648118A (en) * 1987-06-27 1989-01-12 Bridgestone Corp Relieving device for shock of belt
EP1518802A1 (en) * 2004-04-19 2005-03-30 W/M Systems B.V. Belt conveyor for transporting wheeled plant carriers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29908943U1 (en) * 1999-05-21 1999-09-09 Max Kettner Abfüll- und Verpackungsanlagen GmbH i.K., 44149 Dortmund Transport track, in particular for beverage crates

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2542885A (en) * 1947-05-22 1951-02-20 Abner J Troyer Portable conveyer
JPS648118A (en) * 1987-06-27 1989-01-12 Bridgestone Corp Relieving device for shock of belt
EP1518802A1 (en) * 2004-04-19 2005-03-30 W/M Systems B.V. Belt conveyor for transporting wheeled plant carriers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 013, no. 177 (M - 818) 26 April 1989 (1989-04-26) *

Also Published As

Publication number Publication date
EP1871694B1 (en) 2011-06-15
NL1028734C2 (en) 2006-10-12
EP1871694A1 (en) 2008-01-02
ATE512912T1 (en) 2011-07-15
PL1871694T3 (en) 2011-11-30

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