CN217969135U - Radial tire for forestry - Google Patents

Abstract

The utility model provides a radial tire for forestry, the tread of the tire is provided with a plurality of tread patterns which are evenly distributed, and the two ends of the tread patterns respectively extend from the tire crown to the tire shoulder of the tire, and the tread patterns on the two sides in the middle of the tire crown are arranged in a staggered way by taking the center line of the tire crown as the reference; the space between two adjacent tread patterns on the same side forms a pattern groove; the tire crown is provided with a steel wire belted layer, and a reinforcing rib is arranged at the position of the pattern groove close to the center of the tire crown; the side part of the tire is also provided with a reinforcing layer. The side part of the utility model uses the reinforced layer, which improves the strength and rigidity of the side part; the crown belt layer of the tire uses steel cords, so that the puncture resistance of the crown part of the tire is improved; the angle of the tread pattern is increased, the proportion of the ground contact area of the pattern to the footprint area is improved, and the effects of optimizing the wet skid resistance and the pattern traction performance of the tire are achieved.

Description

Forestry radial tire

Technical Field

The utility model belongs to the radial tire field especially relates to a forestry radial tire.

Background

As the forestry radial tire has the factors of large bearing torque, puncture resistance of the tire tread, high traction requirement and the like, in order to take account of the bearing capacity of the forestry radial tire, the puncture resistance and the higher traction capacity of patterns, a tire body of the forestry radial tire mostly adopts a side reinforcing layer and a tire crown steel wire belt layer, and the tire tread usually adopts herringbone patterns so as to adapt to the requirements of the performances; at present, at home and abroad, especially during forest farm operation in European regions, the tire used by forestry mechanical vehicles has a carcass which does not adopt a structural design pattern of a side reinforcing layer and a crown steel wire belt layer, and a pattern of a tread pattern is a herringbone traction pattern with a pattern angle of about 45 degrees, the pattern angle is small, the ground contact area of a pattern block accounts for about 25 percent of the impression area of a pattern running surface, the proportion of the pattern ground contact area accounts for the impression area is small, and the forestry radial tire easily has the following defects in the use process: the strength and rigidity of the side part of the tire are insufficient, the operation requirement of long-time high torsion of a forestry felling machine is difficult to meet, and the delamination phenomenon of the side part of the tire at the early stage occurs, so that the service life of the tire is reduced; the tire crown has poor puncture resistance, and is easy to have serious damages such as puncture, scratch and the like in the forest operation process, so that the tire is damaged prematurely; the tread pattern has poor skid resistance, and the phenomenon of tire slip is easy to occur on the climbing and muddy road surface, so that the vehicle cannot run normally.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a radial tire for forestry to solve the above problems.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a radial tire for forestry, characterized in that: the tire tread of the tire is provided with a plurality of uniformly distributed tire tread patterns, two ends of each tire tread pattern extend from the crown of the tire to the shoulder of the tire, and the tire tread patterns on two sides of the middle of the crown are arranged in a staggered mode by taking the center line of the crown as a reference; the space between two adjacent tread patterns on the same side forms a pattern groove; the tire crown is provided with a steel wire belt layer, and the position of the pattern groove close to the center of the tire crown is provided with a reinforcing rib; the tire side is also provided with a reinforcing layer.

Furthermore, the number of the reinforcing layers is 4-6, the shrinking reinforcing layer is made of nylon cord fabric, and the thickness of the shrinking reinforcing layer is 1.25mm-1.3mm.

Further, the number of the belted layers is 4-6, the thickness of the belted layer is 2mm, and steel cords are used for the belted layers.

Further, the tire pattern is a herringbone traction pattern, an included angle between the tire pattern and the tire shoulder is a pattern angle, and the pattern angle ranges from 50 degrees to 55 degrees.

Further, the inner angles of the pattern blocks are lambda, beta, gamma, delta and theta in turn clockwise; λ is between 90 ° and 160 °, the internal angle β is between 100 ° and 120 °, the internal angle γ is between 90 ° and 150 °, the internal angle δ is between 90 ° and 150 °, and the internal angle θ is between 30 ° and 90 °.

Furthermore, the proportion of the pattern block ground contact area of the tread pattern (3) to the pattern running surface impression area of the same sub-pattern reaches more than 30 percent.

Further, the thickness of the reinforcing rib is used as HG, and the HG is 5-10 mm; the distance from the circumferential edge of the reinforcing rib to the central line of the tire crown is the width WG of the reinforcing rib, and the range of the WG is 30-90 mm; the circumferential edge is in the same direction as the circumferential pattern edge.

Further, the tread pattern can be provided with tire specifications and structure types.

Further, a tire use can be provided on the groove.

Compared with the prior art, the utility model relates to a forestry radial tire has following advantage:

(1) The utility model relates to a radial tire for forestry, the side part of the tire uses a reinforced layer, which improves the strength and rigidity of the side part; the crown belt ply of the tire uses steel cords, so that the puncture resistance of the crown part of the tire is improved; the angle of the tread pattern is increased, the proportion of the ground contact area of the pattern to the footprint area is improved, and the effects of optimizing the wet skid resistance and the pattern traction performance of the tire are achieved.

(2) The utility model relates to a forestry radial tire, child hat center tread groove bottom sets up the strengthening rib, has both improved the anti pricking performance of child hat, has increased the intensity of decorative pattern again, prolongs the life of tire.

Drawings

The accompanying drawings, which form a part of the present disclosure, are included to provide a further understanding of the present disclosure, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and together with the description serve to explain the present disclosure. In the drawings:

FIG. 1 is a partial schematic view of a tread of a radial tire for forestry according to an embodiment of the present invention;

fig. 2 is a schematic view of a radial tire profile in the forestry industry according to an embodiment of the present invention.

Description of reference numerals:

1. a tread pattern; 2. a crown centerline; 3. tire shoulders; 4. a pattern groove; 5. a steel belt ply; 6. reinforcing ribs; 7. a reinforcing layer; 8. pattern angle.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

A radial tire for forestry, as shown in fig. 1-2, the tread of the said tire has a plurality of tread pattern 1 distributed evenly, and both ends of the tread pattern 1 extend to the tire shoulder 3 from the tire crown separately, regard crown midline 2 as the benchmark, the tread pattern 1 of both sides is misplaced and set up in the middle of the crown; the space between two adjacent tread patterns 1 on the same side forms a pattern groove 4; the tire crown is provided with a steel wire belt ply 5, and the pattern groove 4 is provided with a reinforcing rib 6 at a position close to the center of the tire crown; the tire side is also provided with a reinforcing layer 7.

Preferably, the number of the reinforcing layers is 4-6, the shrinking reinforcing layers are made of nylon cord fabrics, the thickness of the shrinking reinforcing layers is 1.25-1.3 mm, and the rigidity and the strength of the side portions of the tire are improved and the stability of providing high strength in driving is ensured by arranging the reinforcing layers and setting the thickness and the number of layers of the reinforcing layers.

Preferably, the number of belted layer also is 4-6 layers, the thickness of belted layer is 2mm, just the belted layer all uses steel cord, and through setting up belted layer, makes the puncture resistance of tire stronger, to the abominable road surface condition of difference, guarantees that work can go on smoothly, improves the life of tire.

Preferably, the tire pattern is herringbone traction pattern, the included angle between the tire pattern and the tire shoulder 3 is a pattern angle 8, the range of the pattern angle 8 is 50-55 degrees, walking can be effectively carried out in muddy land, the grip force is improved, and the tire is prevented from slipping.

Preferably, the inner angles of the pattern blocks are lambda, beta, gamma, delta and theta in turn clockwise; λ is between 90 ° and 160 °, the internal angle β is between 100 ° and 120 °, the internal angle γ is between 90 ° and 150 °, the internal angle δ is between 90 ° and 150 °, and the internal angle θ is between 30 ° and 90 °.

Preferably, the block ground contact area (K1, K2, K3, K4, K5) of the tread pattern 1 accounts for 30% or more of the pattern tread surface footprint area ABCD of the same minute.

Preferably, the thickness of the reinforcing rib 6 is used as HG, and the HG is 5mm-10mm; the distance from the circumferential edge of the reinforcing rib 6 to the central line of the tire crown is the width WG of the reinforcing rib 6, and the WG range is 30-90 mm; the circumferential edge is in the same direction as the circumferential pattern edge.

Preferably, the tread pattern 1 can be provided with tire specifications and structure types, so that parameters of the tire can be known more intuitively.

Preferably, the groove 4 can be used for a tire, so that the purpose of the tire can be more intuitive and clearer.

The reinforcing layer 7 is used at the side part of the tire, so that the strength and rigidity of the side part are improved; the crown belt layer of the tire uses steel cords, so that the puncture resistance of the crown part of the tire is improved; the angle of the tread pattern 1 is increased, the proportion of the ground contact area of the pattern to the footprint area is improved, and the effects of optimizing the wet skid resistance and the pattern traction performance of the tire are achieved; the reinforcing ribs 6 are arranged at the bottom of the tread cap central pattern groove 4, so that the anti-puncturing performance of the tread cap is improved, the pattern strength is increased, and the service life of the tire is prolonged.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A radial tire for forestry, characterized in that: the tire tread of the tire is provided with a plurality of uniformly distributed tire tread patterns, two ends of each tire tread pattern extend to the tire shoulder of the tire from the tire crown respectively, and the tire tread patterns on two sides of the middle of the tire crown are arranged in a staggered mode by taking the center line of the tire crown as a reference; the space between two adjacent tread patterns on the same side forms a pattern groove; the tire crown is provided with a steel wire belted layer, and a reinforcing rib is arranged at the position of the pattern groove close to the center of the tire crown; the side part of the tire is also provided with a reinforcing layer.

2. A radial tire according to claim 1, wherein: the number of the reinforcing layers is 4-6, the shrinking reinforcing layers are made of nylon cord fabrics, and the thickness of the shrinking reinforcing layers is 1.25mm-1.3mm.

3. A radial tire according to claim 1, wherein: the number of the belted layer is also 4-6 layers, the thickness of the belted layer is 2mm, and the belted layer uses steel cords.

4. A radial tire according to claim 1, wherein: the tire pattern is a herringbone traction pattern, an included angle between the tire pattern and the tire shoulder is a pattern angle, and the pattern angle ranges from 50 degrees to 55 degrees.

5. A radial tire according to claim 1, wherein: the inner angles of the pattern blocks are lambda, beta, gamma, delta and theta in turn clockwise; λ is between 90 ° and 160 °, the internal angle β is between 100 ° and 120 °, the internal angle γ is between 90 ° and 150 °, the internal angle δ is between 90 ° and 150 °, and the internal angle θ is between 30 ° and 90 °.

6. A radial tire for forestry according to claim 1, wherein: the proportion of the pattern block grounding area of the tread pattern (3) to the pattern running surface impression area under the same division is more than 30%.

7. A radial tire for forestry according to claim 1, wherein: the thickness of the reinforcing rib is used as HG, and the HG is 5mm-10mm; the distance from the circumferential edge of the reinforcing rib to the central line of the tire crown is the width WG of the reinforcing rib, and the scope of the WG is 30mm-90mm; the circumferential edge is in the same direction as the circumferential pattern edge.

8. A radial tire according to claim 1, wherein: the tread pattern can be provided with tire specifications and structure types.

9. A radial tire for forestry according to claim 1, wherein: the groove can be provided with a tire purpose.

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