阅读说明：本技术 一种仿生非充气车轮 (Bionic non-inflatable wheel ) 是由 赵强 付宏勋 张子峰 刚宪约 郑皓天 于 2019-12-18 设计创作，主要内容包括：本发明提供了一种仿生非充气车轮,涉及轮胎技术领域,由仿生非充气轮胎和仿生轮毂两大部分组成。所述仿生非充气轮胎沿径向由外到内依次包括胎冠、V形缓冲体、仿生支撑总承和轮辋固定套四部分；所述仿生轮毂包括轮辋和仿生轮辐两部分。本发明所述仿生支撑总承采用环保型高模量热塑性聚氨酯材料浇注成型,所述仿生轮辐以铝镁合金为材料,采用真空高压铸造工艺制成；所述仿生支撑总承和仿生轮辐采用蜘蛛网状结构设计,充分利用仿生学机理的同时进一步发挥材料的优越性能,轮胎承载能力与强度得到提升,减震效果也得到极大改善,汽车行驶的安全性与舒适性得到显著提高。(The invention provides a bionic non-pneumatic wheel, which relates to the technical field of tires and consists of a bionic non-pneumatic tire and a bionic hub. The bionic non-pneumatic tire sequentially comprises a tire crown, a V-shaped buffer body, a bionic support assembly and a rim fixing sleeve from outside to inside along the radial direction; the bionic wheel hub comprises a wheel rim and a bionic spoke. The bionic support assembly is cast and molded by adopting an environment-friendly high-modulus thermoplastic polyurethane material, and the bionic spoke is made of aluminum magnesium alloy by adopting a vacuum high-pressure casting process; the bionic support assembly and the bionic spoke are designed in a spider-web structure, the superior performance of materials is further exerted while the bionic mechanism is fully utilized, the bearing capacity and strength of the tire are improved, the damping effect is greatly improved, and the safety and comfort of automobile driving are obviously improved.)

1. A bionic non-pneumatic wheel is characterized by comprising a bionic non-pneumatic tire (1) and a bionic wheel hub (2); the bionic non-pneumatic tire (1) comprises four parts, namely a tire crown (1-1), a V-shaped buffer body (1-2), a bionic support assembly (1-3) and a rim fixing sleeve (1-4), from outside to inside along the radial direction; the tire crown (1-1) consists of a tire tread (1-1a), a cap ply (1-1b), a first belt ply (1-1c) and a second belt ply (1-1d) from outside to inside; the bionic support assembly (1-3) consists of circumferential spokes (1-3a) and radial spokes (1-3 b); the bionic wheel hub (2) comprises a wheel rim (2-1) and a bionic spoke (2-2); the bionic spoke (2-2) is composed of a circumferential spoke plate (2-2a) and a radial spoke plate (2-2 b).

2. A biomimetic non-pneumatic wheel according to claim 1, wherein the tread (1-1a) is made of a tread compound formed by combining resin, S-SBR and bioplasticizer; the cap ply layer (1-1b) is made of aramid fiber; the first belt layer (1-1c) and the second belt layer (1-1d) are made of steel wires.

3. A biomimetic non-pneumatic wheel according to claim 1, wherein the crown (1-1) is provided with blocks to facilitate drainage while enhancing tire traction.

4. A bionic non-pneumatic wheel as claimed in claim 1, characterized in that said tread band (1-1) is produced by a compression moulding vulcanization process and is bonded to the outer ring of said V-shaped cushion body (1-2).

5. A bionic non-pneumatic wheel as claimed in claim 1, wherein each unit V-shaped included angle of the V-shaped buffer body (1-2) is 120 ° and the thickness is 6.5 mm.

6. A bionic non-pneumatic wheel according to claim 1, characterized in that said bionic support assembly (1-3) is designed with a spider web structure; the spider-web structure forms a bionic support assembly for 36 times around the tire axis annular array by taking a 10-degree included angle as a unit; the thicknesses of the circumferential spokes (1-3a) and the radial spokes (1-3b) are both 8 mm.

7. The bionic non-pneumatic wheel as claimed in claim 1, characterized in that the V-shaped buffer body (1-2) and the bionic support assembly (1-3) are integrally molded by casting of an environment-friendly high-modulus thermoplastic polyurethane material.

8. A bionic non-pneumatic wheel according to claim 1, characterized in that the bionic spokes (2-2) are designed in a spider-web structure, are formed in an annular array for 18 times around the wheel axis with an included angle of 20 degrees as a unit, and have an axial thickness of 27 mm; the thicknesses of the circumferential spoke plates (2-2a) and the radial spoke plates (2-2b) are both 13 mm.

9. A bionic non-pneumatic wheel as claimed in claim 1, wherein the bionic hub (2) has a central hole with a diameter of 40mm, 5 bolt holes arranged circumferentially, a diameter of 20mm and a pitch of 46.6 mm; the offset distance of the bionic hub (2) is 70.5 mm.

10. The bionic non-pneumatic wheel as claimed in claim 1, wherein the bionic hub (2) is made of aluminum-magnesium alloy as a raw material by a vacuum high-pressure casting process; the wheel rim (2-1) and the wheel rim fixing sleeve (1-4) are bonded and fixed by polyurethane glue.

Technical Field

The invention relates to the technical field of tires, in particular to a non-pneumatic wheel which can effectively improve the bearing capacity and the damping effect.

Background

As is well known, in the history of the automotive industry, conventional pneumatic tires have always played an important role, and are one of the greatest inventions in human history. The pneumatic tire has the advantages of good shock absorption, comfort and trafficability, lays a solid foundation for occupying the tire application market for a long time, but the defects of wear resistance, puncture resistance, air leakage prevention, tire burst prevention and the like are not improved well all the time. With the continuous development of the automobile industry, the requirements of people on the performance of tires are higher and higher, and the defects of the pneumatic tires become main factors influencing the driving safety of automobiles and are gradually paid attention by people. For improving the safety performance of the pneumatic tire, an air leakage prevention technology is developed and utilized, but due to the inherent characteristics of rubber materials, the lifting space is limited, and the potential hidden danger cannot be thoroughly eliminated. In addition, with the continuous development of military technology, various special combat vehicles come into operation, and the traditional pneumatic tire has no way to adapt to the complex combat environment of the special vehicles.

In response to the disadvantages of pneumatic tires, the research, development and utilization of non-pneumatic tires has gradually gone into the field of vision. Since the development of foreign non-pneumatic tires began earlier, companies such as michelin, pruriston, japan, and the like, in france, have already proposed several generations of non-pneumatic tire products, and foreign tire companies have dominated the global amount of non-pneumatic tire patent applications. At present, the domestic research on the non-pneumatic tires is increasingly developed. The non-pneumatic tire overcomes the defects of puncture, air leakage, tire burst and the like of the traditional pneumatic tire, greatly improves the driving safety of the automobile, and can meet the requirement of special vehicles for adapting to complex environments. However, due to the short development and utilization time, the automobile bumper has obvious defects in the aspects of bearing capacity, shock absorption effect and the like, and directly influences the safety and comfort of automobile driving, so that the automobile bumper is also an important reason that the automobile bumper is not widely applied in the market.

Through observation and reference of relevant data, the spider web can bear larger concentrated load without being damaged by virtue of the structural advantages of the spider web, has reliable mechanical properties and damage resistance, and provides inspiration for the spider web.

Disclosure of Invention

In view of the above-mentioned problems, the invention provides a bionic non-pneumatic wheel, which has the advantages of wear resistance, puncture resistance, air leakage prevention and tire burst prevention, and further improves the bearing capacity and the shock absorption effect of the wheel, so that the safety and the comfort of automobile driving are greatly improved.

The present invention achieves the above-described object by the following technical means.

A bionic non-pneumatic wheel is composed of a bionic non-pneumatic tire and a bionic hub; the bionic non-pneumatic tire comprises four parts, namely a tire crown, a V-shaped buffer body, a bionic support assembly and a rim fixing sleeve, from outside to inside along the radial direction; the tire crown consists of a tire tread, a cap ply, a first belt ply and a second belt ply from outside to inside; the bionic support assembly consists of radial spokes and circumferential spokes; the bionic hub comprises a rim and a bionic spoke; the bionic spoke is composed of a radial spoke plate and a circumferential spoke plate.

Furthermore, the tire tread is made of the tire tread rubber material formed by combining resin, S-SBR and biological plasticizer, so that the physical property and the mechanical property of the tire are improved, the wear resistance of the tire is improved, and the grip performance and the structural durability of the tire are greatly improved on dry and wet roads.

Further, the cap ply is made of aramid fibers; the first belt layer and the second belt layer are made of steel wires, so that the puncture resistance and the wear resistance of the tire are further improved.

Further, the tire crown is manufactured by adopting a compression molding vulcanization process and is bonded with the outer ring of the V-shaped buffer body.

Furthermore, the tread blocks are arranged on the tread band, so that the adhesion capability of the tire is enhanced while drainage is facilitated.

Furthermore, each unit V-shaped included angle of the V-shaped buffer body is 120 degrees, the thickness is 6.5mm, the structure is stable, and the buffer purpose is effectively realized.

Furthermore, the bionic support assembly is designed by adopting a spider-web structure, and the advantages of the spider-web structure are utilized to bear load, so that the aim of improving the bearing capacity and realizing buffering is fulfilled; the spider-web structure forms a bionic support assembly for 36 times around the tire axis annular array by taking a 10-degree included angle as a unit; the thickness of the radial spokes and the circumferential spokes is 8 mm.

Furthermore, the V-shaped buffer body and the bionic support assembly are integrally molded by casting an environment-friendly high-modulus thermoplastic polyurethane material, so that the manufacturing process is simple; the environment-friendly high-modulus thermoplastic polyurethane material has high strength, has the shock absorption performance, can effectively improve the bearing capacity, realizes the purpose of buffering, can be recycled, and conforms to the concept of pursuing environmental protection at present.

Furthermore, the bionic spoke is also designed by adopting a spider-web structure, takes a 20-degree included angle as a unit, and is formed by annularly arraying for 18 times around the axle center of the wheel, and the axial thickness is 27 mm; the thickness of the radial spokes and the thickness of the circumferential spoke plate are both 13 mm.

Furthermore, the diameter of a center hole of the bionic hub is 40mm, 5 bolt holes are circumferentially arranged, the diameter is 20mm, and the thread pitch is 46.6 mm; the offset distance of the bionic hub is 70.5 mm.

Furthermore, the bionic hub is made of aluminum-magnesium alloy as a raw material by adopting a vacuum high-pressure casting process; the aluminum-magnesium alloy material has the advantages of small density, high strength, large elastic modulus, good heat dissipation performance, good shock absorption and capability of bearing larger impact load, can well improve the bearing capacity and shock absorption effect of the bionic hub, can meet the requirement of light weight and conforms to the development trend of the modern automobile industry; the vacuum high-pressure casting process can effectively reduce the oxidation degree of metal in the casting process and avoid influencing the working performance of the metal.

In conclusion, the beneficial effects of the invention are as follows:

(1) the bionic non-pneumatic wheel provided by the invention effectively improves the puncture resistance and wear resistance of the tire, prolongs the service life of the tire and obviously improves the driving safety of an automobile.

(2) According to the bionic non-inflatable wheel, the bionic support assembly and the V-shaped buffer body are molded by casting the environment-friendly high-modulus thermoplastic polyurethane material, so that the manufacturing process is simple; the bionic spoke is made of aluminum-magnesium alloy by adopting a vacuum high-pressure casting process; the bionic support assembly and the bionic spoke are designed by adopting a spider-web structure, the advantages of materials are further exerted while the bionic mechanism is fully utilized, and the bearing capacity and the shock absorption performance of the wheel are greatly improved through simulation analysis; the safety and the comfort of the automobile in running are greatly improved.

Drawings

FIG. 1 is a schematic view of the spider web structure of the present invention;

FIG. 2 is a schematic view of a structure of a bionic non-pneumatic wheel according to the present invention;

FIG. 3 is a schematic structural view of a bionic non-pneumatic tire according to the present invention;

FIG. 4 is a schematic cross-sectional view of a bionic non-pneumatic tire crown according to the invention;

FIG. 5 is a schematic view of the structure of the bionic hub according to the present invention;

FIG. 6 is a schematic view of the inner structure of the bionic hub.

In the figure: 1. the bionic non-pneumatic tire comprises 1-1 parts of a bionic non-pneumatic tire, a tire crown, 1-1a parts of a tire tread, 1-1b parts of a cap ply, 1-1c parts of a first hoop ply, 1-1d parts of a second hoop ply, 1-2 parts of a V-shaped buffer body, 1-3 parts of a bionic support assembly, 1-3a parts of a circumferential spoke, 1-3b parts of a radial spoke, 1-4 parts of a rim fixing sleeve; 2. 2-1 parts of bionic hub, 2-2 parts of rim, 2-2 parts of bionic spoke, 2-2a parts of circumferential radials, 2-2b parts of radial radials.

Detailed Description

The invention is further described with reference to the following figures and specific embodiments.

As shown in figure 1, the bionic non-inflatable wheel is based on a spider web structure, and the arrangement mode of a spider web macro structure and spider silks provides reliable mechanical advantages for the wheel, so that the wheel can bear large concentrated load and has good bearing performance.

As shown in figure 2, the bionic non-pneumatic wheel consists of two parts, namely a bionic non-pneumatic tire 1 and a bionic hub 2.

As shown in figure 3, the bionic non-pneumatic tire comprises four parts, from outside to inside, of a tire crown 1-1, a V-shaped buffer body 1-2, a bionic support assembly 1-3 and a rim fixing sleeve 1-4 in the radial direction.

As shown in fig. 4, the bionic non-pneumatic tire crown is made of the tread rubber material formed by combining the resin, the S-SBR and the biological plasticizer from the tread 1-1a, the physical performance and the mechanical performance of the tire can be remarkably improved, the wear resistance is improved, and the grip performance and the structural durability on dry and wet roads are also greatly improved; the cap ply 1-1b is made of aramid fiber, so that the durability and the strength performance of the tire are enhanced, the quality of the tire is reduced, and the use performance stability of the tire is ensured; the first belt layer 1-1c and the second belt layer 1-1d are made of steel wires, so that the puncture resistance and the wear resistance of the tire are further improved; the tire crown 1-1 is manufactured by adopting a compression molding vulcanization process method and is bonded with the outer ring of the V-shaped buffer body 1-2, and pattern blocks are arranged on the surface of the tire crown 1-1, so that the water drainage is facilitated, and the adhesion capacity of the tire is enhanced; each unit of the V-shaped buffer body 1-2 has a V-shaped included angle of 120 degrees, the purpose of buffering can be realized while the structure is stable, the comfort is improved, and the thickness of each buffer body unit is 6.5 mm; the bionic support assembly 1-3 is designed by adopting a spider web structure, and can bear larger concentrated load by utilizing the spider web structure, so that the purposes of improving the bearing capacity and realizing buffering are achieved; the spider-web structure forms a bionic support assembly 1-3 by taking a 10-degree included angle as a unit and surrounding the axis of the tire for 36 annular arrays; the thicknesses of the circumferential spokes 1-3a and the radial spokes 1-3b are both 8 mm; the V-shaped buffer body 1-2 and the bionic support assembly 1-3 are integrally molded by casting of an environment-friendly high-modulus thermoplastic polyurethane material, batch production can be carried out by using a mold, and the manufacturing process is simple; the environment-friendly high-modulus thermoplastic polyurethane material has high strength and shock absorption performance, can effectively bear load and simultaneously realize the purpose of buffering, can be recycled, and conforms to the concept of pursuing environmental protection at present.

As shown in fig. 5 and 6, the diameter of the center hole of the bionic hub 2 is 40mm, 5 bolt holes are circumferentially arranged, the diameter is 20mm, and the thread pitch is 46.6 mm; the offset distance of the bionic hub 2 is 70.5 mm; the bionic spoke 2-2 is also designed by adopting a spider-web structure, takes a 20-degree included angle as a unit and is formed by annularly arraying for 18 times around the axle center of the wheel, and the axial thickness is 27 mm; the thicknesses of the circumferential spokes 2-2a and the radial spoke plates 2-2b are both 13 mm; the bionic hub 2 is made of aluminum-magnesium alloy as a raw material by using a mould and adopting a vacuum high-pressure casting process; the aluminum-magnesium alloy material has the advantages of small density, high strength, large elastic modulus, good heat dissipation performance, good shock absorption and large shock load bearing capacity, can well improve the bearing capacity and shock absorption effect of the bionic hub 2, can meet the requirement of light weight, meets the development trend of the modern automobile industry, and simultaneously utilizes the characteristics of the spider web structure to further improve the bearing capacity of the whole bionic hub 2; by adopting a vacuum high-pressure casting process, the oxidation degree of metal in the casting process can be effectively reduced, and the performance of the alloy material is fully exerted; when alloy liquid is filled, the operation is carried out by taking the edge of the bionic hub 2 as a starting point, and the alloy liquid sequentially passes through the rim 2-1 and the bionic spoke 2-2; the rim fixing sleeve 1-4 and the rim 2-1 are bonded and fixed by polyurethane glue, so that the bionic wheel hub 2 and the bionic non-pneumatic tire 1 are assembled together.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.