CN112879501B - Low-heat-generation bending-resistant anti-fatigue V-belt - Google Patents
Low-heat-generation bending-resistant anti-fatigue V-belt Download PDFInfo
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- CN112879501B CN112879501B CN202110110526.5A CN202110110526A CN112879501B CN 112879501 B CN112879501 B CN 112879501B CN 202110110526 A CN202110110526 A CN 202110110526A CN 112879501 B CN112879501 B CN 112879501B
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- 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
- F16G5/00—V-belts, i.e. belts of tapered cross-section
- F16G5/04—V-belts, i.e. belts of tapered cross-section made of rubber
- F16G5/06—V-belts, i.e. belts of tapered cross-section made of rubber with reinforcement bonded by the rubber
- F16G5/10—V-belts, i.e. belts of tapered cross-section made of rubber with reinforcement bonded by the rubber with metal reinforcement
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- 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
- F16G5/00—V-belts, i.e. belts of tapered cross-section
- F16G5/04—V-belts, i.e. belts of tapered cross-section made of rubber
- F16G5/06—V-belts, i.e. belts of tapered cross-section made of rubber with reinforcement bonded by the rubber
- F16G5/08—V-belts, i.e. belts of tapered cross-section made of rubber with reinforcement bonded by the rubber with textile reinforcement
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2307/00—Characterised by the use of natural rubber
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2479/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
- C08J2479/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2479/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
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- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a low-heat-generation bending-resistant fatigue-resistant V belt which is composed of a V belt body, wherein the V belt body comprises a tensile layer, an intermediate rubber layer and a bottom rubber layer, a reinforcing layer is coated outside the V belt body, the intermediate rubber layer is connected with the tensile layer and the bottom rubber layer, an outer connecting rubber layer is arranged outside the V belt body, and the reinforcing layer is fixedly connected with the V belt body through the outer connecting rubber layer; the rubber hardness of the middle rubber layer is equal to that of the outer connecting rubber layer; and then a bending resistant mechanism is integrally formed in the bottom rubber layer.
Description
Technical Field
The invention belongs to the technical field of V belts, and particularly relates to a low-heat-generation bending-resistant anti-fatigue V belt.
Background
In a V-belt for transmitting power by friction transmission, a cut Edge (Raw-Edge) type (cut Edge V-belt) in which a rubber layer having a friction transmission surface exposed and a coated cloth (woven) type (coated V-belt) in which a friction transmission surface (V-shaped side surface) is covered with a cover cloth are used separately according to the application depending on the surface properties of the friction transmission surface (friction coefficient of the rubber layer and the cover cloth). Further, some of the edge-cut toothed V belts have cogs provided only on the lower surface (inner circumferential surface) of the belt or on both the lower surface (inner circumferential surface) and the upper surface (outer circumferential surface) of the belt to improve bendability.
The trimming V belt and the trimming toothed V belt are mainly used for driving general industrial machinery and agricultural machinery, driving auxiliary machines in automobile engines and the like. In addition, as another application, there is a V-belt with a cut edge tooth shape called a transmission belt used in a belt type continuously variable transmission of a motorcycle or the like. However, the conventional V-belt has poor bending resistance, which affects the service life of the whole V-belt.
Disclosure of Invention
In view of the shortcomings of the prior art, the invention aims to provide a V-belt which is simple in structure and resistant to bending.
In order to achieve the purpose, the invention provides the following technical scheme: a low-heat-generation bending-resistant fatigue-resistant V belt is composed of a V belt body, wherein the V belt body comprises a tensile layer, an intermediate rubber layer and a primer layer, a reinforcing layer is wrapped outside the V belt body, the intermediate rubber layer is connected with the tensile layer and the primer layer, an external connecting rubber layer is arranged outside the V belt body, and the reinforcing layer is fixedly connected with the V belt body through the external connecting rubber layer; the rubber hardness of the middle rubber layer is equal to that of the outer connecting rubber layer; and a bending resistant mechanism is integrally formed in the bottom rubber layer.
Through adopting foretell technical scheme, the structural strength outside the enhancement layer can improve V area, sets up resistant crooked mechanism and can improve the holistic resistant crooked effect in V area.
The invention is further configured to: the intermediate rubber layer and the outer connecting rubber layer are each formed from a rubber composition containing 55 parts by mass of carbon black, 17 parts by mass of silica, 22 parts by mass of a metal oxide vulcanizing agent, and 6 parts by mass of bismaleimide based rubber per 100 parts by mass of chloroprene rubber.
By adopting the above-described technical means, the addition of the bismaleimide-based rubber composition to the intermediate rubber layer and the outer connecting rubber layer increases the elastic modulus of the intermediate rubber layer and the outer connecting rubber layer due to the effect of increasing the crosslinking density, and thus the intermediate rubber layer and the outer connecting rubber layer are small in compression set and excellent in fatigue resistance.
The invention is further configured to: the outer protective layer is composed of the following raw materials in parts by weight: 60 parts of SMR10#, 20 parts of bismaleimide rubber composition, 32634 parts of carbon black, 5 parts of liquid isoprene rubber, 5 parts of nano zinc oxide, 2 parts of stearic acid, 1.5 parts of dispersing agent FNS-78T, 2.8 parts of epoxy resin, 1.5 parts of antioxidant 6PPD, 1 part of microcrystalline wax, 1 parts of antioxidant TMQ, 5 parts of flake silver powder, 10 parts of hydroxy polydimethylsiloxane, 3 parts of carrageenan and 15 parts of short fibers.
By adopting the technical scheme, the rubber composition of SMR10#, bismaleimide, carbon black, liquid isoprene rubber and nano zinc oxide are adopted, and the low heat generation technology is utilized to effectively improve the external heat generation of the V-belt; the use of the epoxy resin, the flake silver powder, the hydroxyl polydimethylsiloxane and the carrageenan can effectively improve the processing performance, participate in a crosslinking reaction at an optimized temperature, and improve the physical and mechanical properties of the sizing material, thereby ensuring the durability and the wear resistance of the V-belt.
The invention is further configured to: the bending resistant mechanism comprises a plurality of arc-shaped bent supporting springs which are uniformly distributed in the bottom rubber layer according to the circumference.
By adopting the technical scheme, the bending-resistant mechanism comprises a plurality of arc-shaped bent supporting springs which are uniformly distributed in the bottom rubber layer according to the circumference, so that the integral tensile property of the V-belt can be ensured, and the integral structural strength of the V-belt can be ensured.
The invention is further configured to: elastic supporting pieces are fixedly arranged between two adjacent supporting springs through welding, each elastic supporting piece comprises a connecting block with two spherical ends and a connecting rib which is arranged between the two connecting blocks and is arc-shaped, and the connecting rib and the connecting blocks are integrally formed.
Through adopting foretell technical scheme, be provided with elasticity support piece between two adjacent supporting spring is fixed to can ensure the holistic resistant crooked performance of resistant crooked mechanism, thereby further improve the structural strength of V area body.
The invention is further configured to: be provided with between two adjacent splice bars and span supporting spring be curved take elastic strengthening rib, just the strengthening rib pass through welded fastening and set up on one side that the splice bar is close to supporting spring.
Through adopting foretell technical scheme, be provided with between two adjacent splice bars and span supporting spring be curved strengthening rib, and the strengthening rib passes through welded fastening and sets up on one side that the splice bar is close to supporting spring, pulls each other through the elasticity strengthening rib, can make the whole random bending in needs in V area, can oneself return the original shape when not needing the bending, has avoided the whole edge fracture that leads to the fact of long-term many times bending to reciprocate.
The invention is further configured to: the arc central angle of the reinforcing rib is smaller than that of the connecting rib.
Through adopting foretell technical scheme, the arc central angle of strengthening rib is less than the arc central angle of splice bar to can ensure that the strengthening rib plays good supporting role to the splice bar, thereby prevent that too big deformation from appearing in the splice bar.
The invention is further configured to: the connecting ribs are metal wires made of spring steel, and the reinforcing ribs are metal wires made of magnesium alloy.
By adopting the technical scheme, the connecting ribs are made of the metal wires made of the spring steel, and the reinforcing ribs are made of the metal wires made of the magnesium alloy, so that the integral bending resistance of the bending resistance mechanism can be ensured, and the practicability of the bending resistance mechanism is further ensured.
The invention is further configured to: and a spinning nanofiber membrane layer is arranged between the reinforcing layer and the outer connecting rubber layer.
Through adopting foretell technical scheme, set up the spinning nanofiber rete, utilize the cladding of spinning nanofiber rete at the surface of V area body, make the V area body have higher intensity and anti bending property to the life of V area body has further been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the bending endurance mechanism of the present invention;
reference numbers in the drawings and corresponding part names: 1-stretch-resistant layer, 2-middle rubber layer, 3-primer layer, 4-outer protective layer, 5-outer connecting rubber layer, 6-supporting spring, 7-connecting block, 8-connecting rib, 9-reinforcing rib and 10-spinning nano fiber film layer.
Detailed Description
An embodiment of the present invention is further explained with reference to fig. 1 to 2.
A low-heat-generation bending-resistant fatigue-resistant V belt is composed of a V belt body, wherein the V belt body comprises a stretch-resistant layer 1, an intermediate rubber layer 2 and a primer layer 3, a reinforcing layer is wrapped outside the V belt body, the intermediate rubber layer 2 is connected with the stretch-resistant layer 1 and the primer layer 3, an outer connecting rubber layer 5 is arranged outside the V belt body, and the reinforcing layer is fixedly connected with the V belt body through the outer connecting rubber layer 5; the rubber hardness of the middle rubber layer 2 is equal to that of the outer connecting rubber layer 5; and a bending resistant mechanism is integrally formed in the bottom glue layer 3.
Through adopting foretell technical scheme, the structural strength outside the enhancement layer can improve V area, sets up resistant crooked mechanism and can improve the holistic resistant crooked effect in V area.
Firstly, firstly: the intermediate rubber layer 2 and the outer connecting rubber layer 5 are each formed of a rubber composition containing 55 parts by mass of carbon black, 17 parts by mass of silica, 22 parts by mass of a metal oxide vulcanizing agent, and 6 parts by mass of bismaleimide based rubber per 100 parts by mass of chloroprene rubber.
By adding the bismaleimide-based rubber composition to the intermediate rubber layer 2 and the outer connecting rubber layer 5, the elastic modulus of the intermediate rubber layer and the outer connecting rubber layer 5 increases due to the effect of increasing the crosslinking density, the compression set is small, and the fatigue resistance is excellent.
Further: the outer protection layer 4 is composed of the following raw materials in parts by weight: 60 parts of SMR10#, 20 parts of bismaleimide rubber composition, 32634 parts of carbon black, 5 parts of liquid isoprene rubber, 5 parts of nano zinc oxide, 2 parts of stearic acid, 1.5 parts of dispersing agent FNS-78T, 2.8 parts of epoxy resin, 1.5 parts of antioxidant 6PPD, 1 part of microcrystalline wax, 1 parts of antioxidant TMQ, 5 parts of flake silver powder, 10 parts of hydroxy polydimethylsiloxane, 3 parts of carrageenan and 15 parts of short fibers.
By adopting SMR10#, bismaleimide rubber composition, carbon black, liquid isoprene rubber and nano zinc oxide, the external heat generation of the V-band is effectively improved by utilizing a low-heat-generation technology; the use of the epoxy resin, the flake silver powder, the hydroxyl polydimethylsiloxane and the carrageenan can effectively improve the processing performance, participate in a crosslinking reaction at an optimized temperature, and improve the physical and mechanical properties of the sizing material, thereby ensuring the durability and the wear resistance of the V-belt.
Further: the bending resistant mechanism comprises a plurality of arc-shaped bent supporting springs 6 which are uniformly distributed in the bottom glue layer 3 according to the circumference.
The bending-resistant mechanism comprises a plurality of arc-shaped bent supporting springs 6 which are uniformly distributed in the bottom glue layer 3 according to the circumference, so that the integral tensile property of the V-shaped belt can be ensured, and the integral structural strength of the V-shaped belt can be ensured.
Further: elastic supporting pieces are arranged between two adjacent supporting springs 6 through welding fixation, each elastic supporting piece comprises two connecting blocks 7 with two spherical ends and two connecting blocks 7 arranged between the two connecting blocks and an arc-shaped connecting rib 8, and the connecting ribs 8 and the connecting blocks 7 are integrally formed.
The elastic supporting piece is fixedly arranged between the two adjacent supporting springs 6, so that the integral bending resistance of the bending resistance mechanism can be ensured, and the structural strength of the V-belt body is further improved.
Further: be provided with between two adjacent splice bars 8 and span bracing spring 6 be curved take elastic strengthening rib 9, just strengthening rib 9 pass through welded fastening and set up on one side that splice bar 8 is close to bracing spring 6.
Through be provided with between two adjacent splice bars 8 and span supporting spring 6 be curved strengthening rib 9, and strengthening rib 9 sets up on splice bar 8 is close to one side of supporting spring 6 through welded fastening, draws each other through elasticity strengthening rib 9, can make the whole random bending in needs in V area, can oneself return former shape when not needing the bending, has avoided the whole edge fracture that leads to the fact of bending many times for a long time of V area.
Further: the arc central angle of the reinforcing rib 9 is smaller than that of the connecting rib 8.
The arc central angle of the reinforcing rib 9 is smaller than that of the connecting rib 8, so that the reinforcing rib 9 can be ensured to play a good supporting role for the connecting rib 8, and the connecting rib 8 is prevented from being deformed too much.
Further: the connecting rib 8 is made of a metal wire made of spring steel, and the reinforcing rib 9 is made of a metal wire made of magnesium alloy.
The metal wires made of spring steel are used as the connecting ribs 8, and the metal wires made of magnesium alloy are used as the reinforcing ribs 9, so that the bending resistance of the whole bending-resistant mechanism can be ensured, and the practicability of the bending-resistant mechanism is further ensured.
Further: and a spinning nanofiber membrane layer 10 is arranged between the reinforcing layer and the outer connecting rubber layer 5.
Through setting up spinning nanofiber rete 10, utilize spinning nanofiber rete 10 cladding at the surface of V area body, make the V area body have higher intensity and anti bending property to the life of V area body has further been improved.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (5)
1. The utility model provides a low themogenesis is resistant crooked antifatigue V area, comprises the V area body, the V area body include stretch-proofing layer (1), middle rubber layer (2) and primer layer (3), characterized by: an outer protective layer (4) is coated outside the V-belt body, the middle rubber layer (2) is connected with the stretch-resistant layer (1) and the bottom rubber layer (3), an outer connecting rubber layer (5) is arranged outside the V-belt body, and the outer protective layer (4) is fixedly connected with the V-belt body through the outer connecting rubber layer (5); the rubber hardness of the middle rubber layer (2) is equal to that of the outer connecting rubber layer (5); and a bending resistant mechanism is integrally formed in the bottom glue layer (3);
the intermediate rubber layer (2) and the outer connecting rubber layer (5) are both formed by rubber composition containing 55 mass parts of carbon black, 17 mass parts of silica, 22 mass parts of metal oxide vulcanizing agent and 6 mass parts of bismaleimide based rubber relative to 100 mass parts of chloroprene rubber;
the outer protective layer (4) is composed of the following raw materials in parts by weight: 60 parts of SMR10#, 20 parts of bismaleimide rubber composition, 32634 parts of carbon black, 5 parts of liquid isoprene rubber, 5 parts of nano zinc oxide, 2 parts of stearic acid, 1.5 parts of dispersing agent FNS-78T, 2.8 parts of epoxy resin, 1.5 parts of antioxidant 6PPD, 1 part of microcrystalline wax, 1 parts of antioxidant TMQ, 5 parts of flake silver powder, 10 parts of hydroxy polydimethylsiloxane, 3 parts of carrageenan and 15 parts of short fibers;
the bending-resistant mechanism comprises a plurality of arc-shaped bent supporting springs (6) which are uniformly distributed in the bottom glue layer (3) according to the circumference;
an elastic supporting piece is fixedly arranged between two adjacent supporting springs (6), and comprises connecting blocks (7) with two spherical ends and connecting ribs (8) which are arranged between the two connecting blocks (7) and are arc-shaped.
2. A low heat generation, bend resistant, fatigue resistant V-belt as claimed in claim 1, wherein: be provided with between two adjacent splice bars (8) and span curved strengthening rib (9) that are of supporting spring (6), just strengthening rib (9) set up on one side that splice bar (8) are close to supporting spring (6) through welded fastening.
3. A low heat generation, bend resistant, fatigue resistant V-belt as claimed in claim 2, wherein: the arc central angle of the reinforcing rib (9) is smaller than that of the connecting rib (8).
4. A low heat generation, bend resistant, fatigue resistant V-belt as claimed in claim 3 wherein: the connecting ribs (8) are made of metal wires made of spring steel, and the reinforcing ribs (9) are made of metal wires made of magnesium alloy.
5. The low heat generation, bend resistant and fatigue resistant V-belt of claim 4, wherein: and a spinning nanofiber membrane layer (10) is arranged between the outer protective layer (4) and the outer connecting rubber layer (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110110526.5A CN112879501B (en) | 2021-01-27 | 2021-01-27 | Low-heat-generation bending-resistant anti-fatigue V-belt |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110110526.5A CN112879501B (en) | 2021-01-27 | 2021-01-27 | Low-heat-generation bending-resistant anti-fatigue V-belt |
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| Publication Number | Publication Date |
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| CN112879501A CN112879501A (en) | 2021-06-01 |
| CN112879501B true CN112879501B (en) | 2022-07-08 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4493681A (en) * | 1982-01-26 | 1985-01-15 | Mitsuboshi Belting Ltd. | Reinforced cog belt |
| WO2012156223A1 (en) * | 2011-05-19 | 2012-11-22 | Contitech Antriebssysteme Gmbh | Drive belt having a reinforcement band or a braided reinforcement section or having reinforcement elements arranged in some zones within the carcass |
| CN104177668A (en) * | 2014-07-24 | 2014-12-03 | 山东银宝轮胎集团有限公司 | All-steel load-bearing radial tire belt mat rubber |
| CN204437178U (en) * | 2015-01-08 | 2015-07-01 | 浙江四海橡胶有限公司 | A kind of novel driving belt |
| CN109477548A (en) * | 2016-07-22 | 2019-03-15 | 三之星机带株式会社 | Transmission V band |
| CN210423580U (en) * | 2019-09-04 | 2020-04-28 | 浙江保尔力胶带有限公司 | High-power agricultural machinery V belt and profile of tooth thereof |
-
2021
- 2021-01-27 CN CN202110110526.5A patent/CN112879501B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4493681A (en) * | 1982-01-26 | 1985-01-15 | Mitsuboshi Belting Ltd. | Reinforced cog belt |
| WO2012156223A1 (en) * | 2011-05-19 | 2012-11-22 | Contitech Antriebssysteme Gmbh | Drive belt having a reinforcement band or a braided reinforcement section or having reinforcement elements arranged in some zones within the carcass |
| CN104177668A (en) * | 2014-07-24 | 2014-12-03 | 山东银宝轮胎集团有限公司 | All-steel load-bearing radial tire belt mat rubber |
| CN204437178U (en) * | 2015-01-08 | 2015-07-01 | 浙江四海橡胶有限公司 | A kind of novel driving belt |
| CN109477548A (en) * | 2016-07-22 | 2019-03-15 | 三之星机带株式会社 | Transmission V band |
| CN210423580U (en) * | 2019-09-04 | 2020-04-28 | 浙江保尔力胶带有限公司 | High-power agricultural machinery V belt and profile of tooth thereof |
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| CN112879501A (en) | 2021-06-01 |
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