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WO2018185965A1 - Bande transporteuse - Google Patents

Bande transporteuse Download PDF

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Publication number
WO2018185965A1
WO2018185965A1 PCT/JP2017/040774 JP2017040774W WO2018185965A1 WO 2018185965 A1 WO2018185965 A1 WO 2018185965A1 JP 2017040774 W JP2017040774 W JP 2017040774W WO 2018185965 A1 WO2018185965 A1 WO 2018185965A1
Authority
WO
WIPO (PCT)
Prior art keywords
conveyor belt
foamable material
rubber layer
cover rubber
layer
Prior art date
Application number
PCT/JP2017/040774
Other languages
English (en)
Japanese (ja)
Inventor
純 宮島
Original Assignee
横浜ゴム株式会社
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 横浜ゴム株式会社 filed Critical 横浜ゴム株式会社
Priority to CN201780089037.8A priority Critical patent/CN110506015B/zh
Publication of WO2018185965A1 publication Critical patent/WO2018185965A1/fr

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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
    • 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
    • B65G15/30—Belts or like endless load-carriers
    • B65G15/32—Belts or like endless load-carriers made of rubber or plastics
    • B65G15/34—Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric
    • 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
    • B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
    • B65G43/02—Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating

Definitions

  • the present invention relates to a conveyor belt.
  • the belt conveyor device includes a long frame, a conveyor belt stretched across both ends of the frame in the longitudinal direction, a plurality of guide rollers that support the conveyor belt, and a drive unit that runs the conveyor belt.
  • frame is extended along the extension direction of a conveyor belt on both sides of the conveyance surface of a conveyor belt.
  • the object to be conveyed is stacked at a position deviated from the center in the width direction of the conveyor belt, so that the running conveyor belt meanders.
  • the edge of the conveyor belt keeps in contact with the surrounding structure and a specific part of the guide of the frame for a long time, and the structure and the part of the guide contacted with the edge of the conveyor belt become hot due to frictional heat.
  • the edge of the conveyor belt will come into contact with the hot part of the structure or guide, The edge temperature rises. And heat may be transmitted to the conveyor belt from the edge portion in contact with the high temperature portion of the structure or guide, and the conveyor belt may be damaged by the heat.
  • a structure in which the entire conveyor belt is configured using a rubber composition having flame retardancy is provided (see Patent Document 1).
  • a conveyor belt using a flame retardant rubber composition has the effect of suppressing heat damage, but tends to increase the material cost and is not high in wear resistance, ensuring durability. There is a disadvantage in doing.
  • the present invention has been made in view of such circumstances, and an object thereof is to provide a conveyor belt that is advantageous in reducing cost and improving durability while suppressing damage due to heat.
  • a foamable material foamed by receiving heat is embedded along the longitudinal direction of the conveyor belt at locations near both ends in the width direction of the conveyor belt.
  • the high temperature portion of the structure or guide extends from the high temperature portion of the conveyor belt to the end of the conveyor belt in the width direction. Heat is transferred. When this heat is transferred to the foamable material and the foamable material exceeds the foaming temperature, the foamable material foams and the volume expands, and the foam is expanded by the expansion pressure of the foamable material. It breaks through the part and blows out to the outside of the conveyor belt. Then, the foam with increased volume enters widely between the edge of the conveyor belt and the hot structure or guide, and the edge of the conveyor belt against the hot structure or guide.
  • (A) is sectional drawing which fractured
  • (B) is a top view of a conveyor belt, and shows the state by which the foamable material was embed
  • (A) is sectional drawing which fractured
  • (B) is a top view of a conveyor belt, the foam of a foamable material ejects to the exterior of a conveyor belt Indicates a spread state.
  • (A) is sectional drawing which fractured
  • (B) is a top view of a conveyor belt, and shows the state by which the foamable material was embed
  • (A) is sectional drawing which fractured
  • (B) is a top view of a conveyor belt, and the bubble of a foamable material ejects to the exterior of a conveyor belt Indicates a spread state.
  • (A) is sectional drawing which fractured
  • (B) is a top view of a conveyor belt, and shows the state by which the foamable material was embed
  • (A) is sectional drawing which fractured
  • (B) is a top view of a conveyor belt, and the bubble of a foamable material ejects to the exterior of a conveyor belt Indicates a spread state.
  • the conveyor belt 10 includes a core reinforcing layer 12, an ear rubber layer 14, an upper cover rubber layer 16, a lower cover rubber layer 18, and a foamable material 20. It is comprised including.
  • the core body reinforcing layer 12 includes a plurality of core materials 1202 and a coat rubber 1204 that covers the core materials 1202.
  • the core reinforcing layer 12 is a part that supports the tensile load applied to the conveyor belt 10 and maintains the tension of the conveyor belt 10.
  • the ear rubber layer 14 is disposed on both sides in the width direction of the core body reinforcing layer 12.
  • the ear rubber layer 14 is a portion that protects both sides in the width direction of the conveyor belt 10 including the core body reinforcing layer 12.
  • the upper cover rubber layer 16 and the lower cover rubber layer 18 cover and sandwich the core reinforcing layer 12 and the ear rubber layer 14.
  • the upper surface cover rubber layer 16 is a portion on which an object to be conveyed is stacked and conveys the object to be conveyed
  • the lower surface cover rubber layer 18 is a portion in contact with a plurality of rollers that support the conveyor belt 10.
  • the core reinforcing layer 12, the ear rubber layer 14, the upper cover rubber layer 16, and the lower cover rubber layer 18 each extend with a certain width to constitute the conveyor belt 10.
  • the foamable material 20 is continuously embedded in a straight line along the longitudinal direction of the ear rubber layer 14 at a position near the outer side in the width direction at the center in the thickness direction of the ear rubber layer 14.
  • FIG. 1A shows a case where the cross-sectional shape of the foamable material 20 is circular
  • the cross-sectional shape of the foamable material 20 includes various conventionally known cross-sectional shapes such as an ellipse, a triangle, a rectangle, and a polygon. It can be adopted.
  • Embedding of the foamable material 20 in the ear rubber layer 14 is performed in a step before the ear rubber layer 14 is vulcanized, that is, in a step before the conveyor belt 10 is vulcanized.
  • the foamable material 20 is foamed by being heated to a predetermined temperature or higher, and exhibits heat insulation and fire resistance in a state where the foam is expanded and its volume is expanded.
  • various conventionally known materials such as a carbon graphite foam material and a sodium silicate foam material can be used.
  • foamable materials 20 examples include Sekisui Chemical Co., Ltd. trade name “Fibloc” and Austrian Chemilinz trade name “Intsumex”. For example, “Fibro” foams by heating at 200 ° C. or higher and expands in volume by 5 to 50 times, and the temperature at which foaming can be adjusted. Therefore, after embedding the foamable material 20 in the ear rubber layer 14, even if the conveyor belt 10 is heated in the vulcanization process of the conveyor belt 10, the vulcanization temperature is about 150 ° C., and the foamable material 20 is foamed. Therefore, the foamable material 20 does not foam during vulcanization.
  • “Fibro” and “Intmex” are solids having flexibility at the temperature under the environment where the belt conveyor device is installed. In other words, at the temperature under the environment where the conveyor belt 10 is used, It is a solid with flexibility. For this reason, the foamable material 20 is smoothly curved and deformed together with the ear rubber layer 14 at, for example, at least the upstream end and the downstream end in the transport direction of the transport object at the location where the transport direction of the transport object is changed. This is advantageous in smoothly running the belt 10.
  • the foamable material 20 is preferably foamed with a color that stands out from the color of the surface of the conveyor belt 10 in order to make the foamed foam easily visible.
  • the foamable material 20 is preferably foamed in a color that is complementary to the color of the surface of the conveyor belt 10 in order to make the foamed foam visible.
  • the foamable material 20 foams in white in order to make it easy to visually recognize the foamed foam.
  • the conveyor belt 10 meanders while running in the belt conveyor apparatus, and the edge of the conveyor belt 10 continues to contact the surrounding structure or the frame guide of the belt conveyor apparatus, the structure or the guide will be removed. High temperature locally due to frictional heat. In this state, when the conveyor belt 10 stops traveling and stops at a position where the edge of the stopped conveyor belt 10 is in contact with a location where the structure or guide is hot, the conveyor belt 10 starts from the high temperature portion of the structure or guide. Heat is transferred to the widthwise ends of the top cover rubber layer 16, the ear rubber layer 14, and the bottom cover rubber layer 18 in the width direction, which constitute the edge of 10.
  • the foamable material 20 foams and the volume expands. Then, as shown in FIGS. 2 (A) and 2 (B), for example, the foam breaks through the outer portion in the width direction of the ear rubber layer 14 due to the expansion pressure of the foamable material 20 and is ejected to the outside of the conveyor belt 10. spread. Then, the foam having an increased volume enters widely between the edge of the conveyor belt 10 and the high temperature structure or guide portion, and the conveyor belt 10 reaches the high temperature structure or guide portion. Insulate the edges.
  • the conveyor belt 10 is comprised using the rubber composition which has a flame retardance conventionally, the thing which was cheap and excellent in durability as a rubber composition which comprises the conveyor belt 10 should be used. This is advantageous in reducing the cost and improving the durability.
  • the foamable material 20 is foamed in a color complementary to the color of the surface of the conveyor belt 10, it is easy for an operator to visually recognize the foamed foam, and to accurately report abnormality of the conveyor belt 10. More advantageous.
  • the color of the surface of the conveyor belt 10 is black, if the foamable material 20 is foamed in white, it is easier for an operator to visually recognize the foamed foam, which is more advantageous for accurately reporting abnormality of the conveyor belt 10. It becomes.
  • the repair of the part which the foamable foaming material 20 has penetrated the edge part among the conveyor belts 10 can be performed in the following procedures.
  • the entire length in the longitudinal direction and the width direction of the conveyor belt 10 corresponding to the edge portion through which the foamable foamable material 20 is broken is cut out from the remaining conveyor belt 10.
  • a new conveyor belt 10 having the same length and width as the cut conveyor belt 10 is prepared.
  • the foamable material 20 is embedded in the ear rubber layer 14 along the longitudinal direction of the conveyor belt 10.
  • the both ends of a new conveyor belt 10 are joined to both ends in the longitudinal direction of the remaining conveyor belt 10.
  • the excision work of the damaged conveyor belt 10 can be easily performed. This is advantageous for improving the efficiency of repair work.
  • the foamable material 20 is placed at the center of the upper surface cover rubber layer 16 and the lower surface cover rubber layer 18 in the thickness direction and on the outer side in the width direction.
  • the rubber layer 16 and the bottom cover rubber layer 18 are embedded so as to extend continuously in a straight line along the longitudinal direction.
  • embedding of the foamable material 20 in the upper cover rubber layer 16 and the lower cover rubber layer 18 is performed in a step before the conveyor belt 10 is vulcanized.
  • the foamable material 20 foams and the volume expands. Then, as shown in FIGS. 4 (A) and 4 (B), the foam breaks through, for example, the outer portions in the width direction of the upper cover rubber layer 16 and the lower cover rubber layer 18 due to the expansion pressure of the foamable material 20, and the conveyor belt. 10 squirts outside and spreads. Then, the foam having an increased volume enters widely between the edge of the conveyor belt 10 and the high temperature structure or guide portion, and the conveyor belt 10 reaches the high temperature structure or guide portion. Insulate the edges. Even with such a modification, the same effect as the above-described embodiment can be obtained.
  • the foamable material 20 may be provided in at least one of the ear rubber layer 14, the upper cover rubber layer 16, and the lower cover rubber layer 18. Of course, the foamable material 20 may be provided in all the three layers.
  • the conveyor belt 10 ⁇ / b> B of this modification does not include the ear rubber layer 14, and the foamable material 20 is outside in the width direction at the center in the thickness direction of the core body reinforcing layer 12. It is embedded and extended in a straight line continuously along the longitudinal direction of the core body reinforcing layer 12 at a position close to it.
  • embedding of the foamable material 20 in the core reinforcing layer 12 is performed in a step before the conveyor belt 10 is vulcanized.
  • the foamable material 20 foams and the volume expands. Then, as shown in FIGS. 6 (A) and 6 (B), for example, the foam breaks through the outer portion in the width direction of the core reinforcing layer 12 due to the expansion pressure of the foamable material 20 and is ejected to the outside of the conveyor belt 10. Spread. Then, the foam having an increased volume enters widely between the edge of the conveyor belt 10 and the high temperature structure or guide portion, and the conveyor belt 10 reaches the high temperature structure or guide portion. Insulate the edges. Even with such a modification, the same effect as the above-described embodiment can be obtained.
  • the foamable material 20 may be provided in at least one of the core reinforcing layer 12, the upper cover rubber layer 16, and the lower cover rubber layer 18, and of course, it may be provided in all of these three layers.
  • the foamable material 20 may be provided at intervals along the longitudinal direction of the conveyor belt 10, the foamable material 20 extends along the longitudinal direction of the conveyor belt 10 as in the present embodiment. If it extends continuously in a linear shape, the foamable material 20 can be reliably foamed from the edge portion of the conveyor belt 10 that comes in contact with the structure or frame that has become hot. This is more advantageous for reliably insulating the edge of the conveyor belt 10 from the structure or frame. Further, when the foamable material 20 is liquid or liquid at the temperature under the environment where the belt conveyor device is installed, the flexible material is filled with the foamable material 20 and the tube is embedded in the conveyor belt 10. It may be.

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

Abstract

La présente invention réduit au minimum les dommages causés par la chaleur, réduit les coûts et améliore la durabilité. Cette bande transporteuse 10 est conçue pour comprendre une couche de renfort de noyau 12, des couches de caoutchouc de bord 14, une couche de caoutchouc de revêtement de surface supérieure 16, une couche de caoutchouc de revêtement de surface inférieure 18 et un matériau expansible 20. Les couches de caoutchouc de bord 14 sont disposées de part et d'autre de la couche de renfort de noyau 12 dans le sens de la largeur. Le matériau expansible 20 est incorporé de façon à s'étendre en continu dans un état linéaire le long de la direction longitudinale des couches de caoutchouc de bord 14 au niveau d'un emplacement au centre des couches de caoutchouc de bord 14 dans le sens de l'épaisseur et vers l'extérieur dans le sens de la largeur. Le matériau expansible 20 se dilate lorsqu'il est chauffé à une température supérieure ou égale à une température prédéfinie et présente des propriétés d'isolation thermique et une résistance au feu lorsqu'il est expansé et dilaté en volume.
PCT/JP2017/040774 2017-04-04 2017-11-13 Bande transporteuse WO2018185965A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201780089037.8A CN110506015B (zh) 2017-04-04 2017-11-13 传送带

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017074430A JP6866733B2 (ja) 2017-04-04 2017-04-04 コンベヤベルト
JP2017-074430 2017-04-04

Publications (1)

Publication Number Publication Date
WO2018185965A1 true WO2018185965A1 (fr) 2018-10-11

Family

ID=63712935

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/040774 WO2018185965A1 (fr) 2017-04-04 2017-11-13 Bande transporteuse

Country Status (3)

Country Link
JP (1) JP6866733B2 (fr)
CN (1) CN110506015B (fr)
WO (1) WO2018185965A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102315019B1 (ko) * 2021-01-06 2021-10-20 현대제철 주식회사 시인성이 향상된 컨베이어 벨트

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57207626A (en) * 1981-06-16 1982-12-20 Central Res Inst Of Electric Power Ind Composition foaming at constant temperature
JPH04115039U (ja) * 1991-03-27 1992-10-12 株式会社潤工社 温度検知線
JP3188109B2 (ja) * 1994-07-29 2001-07-16 三菱重工業株式会社 ベルトコンベヤの高温部検知装置
US20170000036A1 (en) * 2015-07-03 2017-01-05 Contitech Transportbandsysteme Gmbh Belt that is continuously closed in the longitudinal direction, in particular round baler belt

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA986448A (en) * 1973-04-13 1976-03-30 Dieter Hofmann Polyurethane foam conveyor belt
DE2752410A1 (de) * 1977-11-24 1979-05-31 Richard Pott Foerdervorrichtung mit einem aus gummielastischem material bestehenden foerdergurt mit mittig angeordnetem zugorgan
JP4365954B2 (ja) * 1999-10-22 2009-11-18 キヤノン株式会社 ベルト及びこれを備える画像形成装置
CN201199463Y (zh) * 2008-05-12 2009-02-25 安徽华菱电缆集团有限公司 发泡隔热型硅橡胶绝缘耐火电缆

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57207626A (en) * 1981-06-16 1982-12-20 Central Res Inst Of Electric Power Ind Composition foaming at constant temperature
JPH04115039U (ja) * 1991-03-27 1992-10-12 株式会社潤工社 温度検知線
JP3188109B2 (ja) * 1994-07-29 2001-07-16 三菱重工業株式会社 ベルトコンベヤの高温部検知装置
US20170000036A1 (en) * 2015-07-03 2017-01-05 Contitech Transportbandsysteme Gmbh Belt that is continuously closed in the longitudinal direction, in particular round baler belt

Also Published As

Publication number Publication date
JP6866733B2 (ja) 2021-04-28
CN110506015A (zh) 2019-11-26
JP2018177391A (ja) 2018-11-15
CN110506015B (zh) 2021-03-26

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