CN109017138B - Mechanically elastic wheel with integrated elastic ring frame wheel structure - Google Patents

Mechanically elastic wheel with integrated elastic ring frame wheel structure Download PDF

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Publication number
CN109017138B
CN109017138B CN201810979380.6A CN201810979380A CN109017138B CN 109017138 B CN109017138 B CN 109017138B CN 201810979380 A CN201810979380 A CN 201810979380A CN 109017138 B CN109017138 B CN 109017138B
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wheel
elastic
elastic ring
integrated
ring framework
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CN109017138A (en
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赵又群
邓耀骥
徐瀚
张桂玉
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Nanjing University of Aeronautics and Astronautics
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Nanjing University of Aeronautics and Astronautics
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B9/00Wheels of high resiliency, e.g. with conical interacting pressure-surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B9/00Wheels of high resiliency, e.g. with conical interacting pressure-surfaces
    • B60B9/02Wheels of high resiliency, e.g. with conical interacting pressure-surfaces using springs resiliently mounted bicycle rims
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C19/00Tyre parts or constructions not otherwise provided for
    • B60C19/12Puncture preventing arrangements

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

The invention provides a mechanical elastic wheel with an integrated elastic ring framework and wheel-assembling structure, which comprises a wheel hub and a wheel, wherein the wheel hub and the wheel hub are sequentially arranged from inside to outside, the wheel hub is connected with the wheel hub through a plurality of elastic connecting units distributed along the circumferential direction of the wheel hub, the wheel comprises an elastic ring framework and a rubber layer, the elastic ring framework is formed by integrally forming a plurality of elastic rings arranged side by side along the axial direction of the elastic ring and a plurality of buckles fixed along the circumferential direction of the elastic ring, and the elastic ring framework is embedded into the rubber layer. The mechanical elastic wheel with the integrated elastic ring skeleton and the wheel assembling structure has good tire burst resistance and puncture resistance, the structure and the size of the mechanical elastic wheel can be subjected to parameterization design according to the rigidity requirement of the wheel, the structural strength is better, and the applicability is wider; meanwhile, the integrated elastic ring framework removes a large number of parts such as bolts and nuts, omits works such as winding and assembling, saves production cost, improves production efficiency and is convenient for mass production.

Description

具有一体化弹性环骨架輮轮结构的机械弹性车轮Mechanically elastic wheel with integrated elastic ring frame wheel structure

技术领域Technical Field

本发明涉及本发明涉及非充气轮胎技术领域,尤其涉及一种具有一体化弹性环骨架輮轮结构的机械弹性车轮。The present invention relates to the technical field of non-pneumatic tires, and in particular to a mechanical elastic wheel with an integrated elastic ring frame wheel structure.

背景技术Background technique

轮胎作为轮式车辆行驶系的重要组成部分,主要作用为支撑整车质量、缓和路面冲击、产生驱动/制动力等,其性能对车辆的操纵稳定性、平顺性等影响显著。装备充气轮胎的车辆存在刺破泄气、爆胎隐患,开发具有防爆胎、防刺破性能的安全轮胎对提高车辆行驶安全性、可靠性具有重要意义。As an important part of the running system of wheeled vehicles, tires are mainly used to support the mass of the vehicle, mitigate road impact, and generate driving/braking force. Their performance has a significant impact on the vehicle's handling stability and ride comfort. Vehicles equipped with pneumatic tires have the risk of puncture, deflation, and blowout. The development of safe tires with run-flat and puncture-proof properties is of great significance to improving vehicle driving safety and reliability.

目前已经设计的机械弹性车轮,存在零部件多,制造工艺较复杂,生产效率低下等问题,不利于车轮的批量化生产,且生产的车轮规格、质量难以统一。The mechanical elastic wheels that have been designed so far have many parts, complex manufacturing processes, low production efficiency, and other problems, which are not conducive to the mass production of wheels, and the specifications and quality of the wheels produced are difficult to unify.

发明内容Summary of the invention

本发明所要解决的技术问题在于提供一种能够简化机械结构的具有一体化弹性环骨架輮轮结构的机械弹性车轮。The technical problem to be solved by the present invention is to provide a mechanical elastic wheel with an integrated elastic ring frame wheel structure which can simplify the mechanical structure.

本发明是通过以下技术方案解决上述技术问题的:The present invention solves the above technical problems through the following technical solutions:

一种具有一体化弹性环骨架輮轮结构的机械弹性车轮,包括由内至外依次设置的轮毂和輮轮,輮轮和轮毂之间通过沿轮毂周向分布的多个弹性连接单元连接,所述輮轮包括弹性环骨架和橡胶层,所述弹性环骨架由沿弹性环骨架轴向并排设置的多个弹性环和沿弹性环周向固定的多个卡扣一体成型得到,所述弹性环骨架埋设入橡胶层内。A mechanical elastic wheel with an integrated elastic ring skeleton reel structure comprises a hub and a reel arranged in sequence from the inside to the outside, the reel and the hub are connected by a plurality of elastic connection units distributed along the circumference of the hub, the reel comprises an elastic ring skeleton and a rubber layer, the elastic ring skeleton is integrally formed by a plurality of elastic rings arranged side by side along the axial direction of the elastic ring skeleton and a plurality of buckles fixed along the circumference of the elastic ring, and the elastic ring skeleton is buried in the rubber layer.

优选地,沿弹性环骨架径向至少设置有两排紧贴的弹性环,所述卡扣沿弹性环骨架径向至少设置有两排用于固定弹性环的通孔,每排通孔沿弹性环骨架轴向重复设置有多个。Preferably, at least two rows of tightly-fitting elastic rings are arranged radially along the elastic ring skeleton, and the buckle is provided with at least two rows of through holes for fixing the elastic rings radially along the elastic ring skeleton, and a plurality of through holes in each row are repeatedly arranged axially along the elastic ring skeleton.

优选地,所述弹性连接单元为铰链组或拉簧。Preferably, the elastic connection unit is a hinge set or a tension spring.

优选地,所述铰链组包括通过销钉连接的至少两节铰链。Preferably, the hinge assembly comprises at least two hinge sections connected by a pin.

优选地,所述卡扣沿弹性环骨架周向均匀设置有12~18个。Preferably, 12 to 18 buckles are evenly arranged along the circumference of the elastic ring skeleton.

优选地,所述弹性环骨架的材料为铜、铁、铝、铝合金、碳纤维、聚氨酯中的任意一种。Preferably, the material of the elastic ring skeleton is any one of copper, iron, aluminum, aluminum alloy, carbon fiber, and polyurethane.

优选地,所述轮毂上均匀设置有若干个减重孔。Preferably, a plurality of weight-reducing holes are evenly arranged on the wheel hub.

本发明提供的具有一体化弹性环骨架輮轮结构的机械弹性车轮的优点在于:一体化弹性环骨架輮轮结构的机械弹性车轮,具有良好的防爆胎、防刺破性能,有效提高车辆行驶安全性、可靠性。弹性环骨架采用模具一体化成型设计,结构强度及可靠性更好,其结构和尺寸可以根据车轮刚度要求进行参数化设计,适用性更广;同时一体化弹性环骨架去除了大量的螺栓和螺母等零部件,省去了缠丝、装配等繁琐的体力劳动,节约生产成本的同时,提高了生产效率,便于批量生产。相比于现有技术,弹性环一体成型,结构更加紧凑,减缓了应力集中问题,提高了弹性环散热性能,节约了大量的原材料,提高了车轮的轻量化水平。The advantages of the mechanical elastic wheel with an integrated elastic ring skeleton wheel structure provided by the present invention are: the mechanical elastic wheel with an integrated elastic ring skeleton wheel structure has good anti-explosion and anti-puncture performance, and effectively improves the driving safety and reliability of the vehicle. The elastic ring skeleton adopts a mold integrated molding design, and has better structural strength and reliability. Its structure and size can be parameterized according to the wheel stiffness requirements, and its applicability is wider; at the same time, the integrated elastic ring skeleton removes a large number of parts such as bolts and nuts, and eliminates the tedious physical labor such as wire winding and assembly, which saves production costs and improves production efficiency, facilitating mass production. Compared with the prior art, the elastic ring is integrally molded, the structure is more compact, the stress concentration problem is alleviated, the heat dissipation performance of the elastic ring is improved, a large amount of raw materials is saved, and the lightweight level of the wheel is improved.

附图说明BRIEF DESCRIPTION OF THE DRAWINGS

图1是本发明的实施例提供的具有一体化弹性环骨架輮轮结构的机械弹性车轮的结构示意图(不包括橡胶,铰链数量为18,节数为3);1 is a schematic structural diagram of a mechanical elastic wheel with an integrated elastic ring skeleton wheel structure provided by an embodiment of the present invention (excluding rubber, the number of hinges is 18, and the number of sections is 3);

图2是本发明的实施例提供的具有一体化弹性环骨架輮轮结构的机械弹性车轮的结构示意图(包括橡胶,铰链数量为18,节数为3);2 is a schematic structural diagram of a mechanical elastic wheel with an integrated elastic ring skeleton wheel structure provided by an embodiment of the present invention (including rubber, 18 hinges, and 3 sections);

图3(a)是本发明的实施例提供的具有一体化弹性环骨架輮轮结构的机械弹性车轮的弹性环骨架正视图,(b)是弹性环骨架侧视图(弹性环数量为5);FIG3 (a) is a front view of an elastic ring frame of a mechanical elastic wheel with an integrated elastic ring frame wheel structure provided by an embodiment of the present invention, and (b) is a side view of the elastic ring frame (the number of elastic rings is 5);

图4(a)和(b)分别是本发明的实施例提供的具有一体化弹性环骨架輮轮结构的机械弹性车轮的两种卡扣结构示意图(通孔单排5个,2排);4(a) and (b) are schematic diagrams of two buckle structures of a mechanical elastic wheel with an integrated elastic ring skeleton wheel structure provided by an embodiment of the present invention (single row of 5 through holes, 2 rows);

图5是本发明的实施例提供的具有一体化弹性环骨架輮轮结构的机械弹性车轮的铰链组结构示意图(铰链节数为3);5 is a schematic diagram of the hinge assembly structure of a mechanical elastic wheel with an integrated elastic ring skeleton reel structure provided by an embodiment of the present invention (the number of hinge sections is 3);

图中:1—弹性骨架,2—轮毂,3—弹性连接单元,4—輮轮,5—橡胶层,6—卡扣,7—弹性环,8—连接头,9—减重孔,10—通孔,R—孔径,r1—过渡区域弧度,r2—连接区域弧度。In the figure: 1—elastic skeleton, 2—wheel hub, 3—elastic connection unit, 4—wheel, 5—rubber layer, 6—buckle, 7—elastic ring, 8—connector, 9—weight reduction hole, 10—through hole, R—aperture, r1—radian of transition area, r2—radian of connection area.

具体实施方式Detailed ways

为使本发明的目的、技术方案和优点更加清楚明白,以下结合具体实施例,并参照附图,对本发明作进一步的详细说明。In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

如图1和2所示,一种具有一体化弹性环骨架輮轮结构的机械弹性车轮,包括由内至外依次设置的轮毂2和輮轮4,轮毂2上有若干多边形减重孔9。轮毂2和輮轮4之间通过沿车轮周向分布的多个弹性连接单元3连接,輮轮4包括弹性环骨架1和橡胶层5,弹性环骨架1埋设入橡胶层5内,并经过硫化后形成。As shown in Figs. 1 and 2, a mechanical elastic wheel with an integrated elastic ring skeleton reel structure includes a hub 2 and a reel 4 arranged in sequence from the inside to the outside, and the hub 2 is provided with a plurality of polygonal weight-reducing holes 9. The hub 2 and the reel 4 are connected by a plurality of elastic connection units 3 distributed along the circumference of the wheel, and the reel 4 includes an elastic ring skeleton 1 and a rubber layer 5, and the elastic ring skeleton 1 is embedded in the rubber layer 5 and formed after vulcanization.

参考图3,为使弹性环骨架1结构更加稳固,弹性环骨架1由沿弹性环骨架轴向并排设置的多个弹性环7和沿弹性环周向固定的多个卡扣6通过模具一体化成型得到,沿弹性环骨架1径向设置有两排紧贴的弹性环7,所述卡扣6沿弹性环骨架1径向设置有两排用于固定弹性环7的通孔10,每排通孔10沿弹性环骨架1轴向重复设置5个。为便于輮轮4和轮毂2的连接,卡扣6朝向轮毂2的一侧具有连接头8;连接头8与弹性连接单元3固定配合。卡扣6数量与弹性连接单元3数量一致,为12~18个。Referring to FIG3 , in order to make the structure of the elastic ring skeleton 1 more stable, the elastic ring skeleton 1 is obtained by integrating a plurality of elastic rings 7 arranged side by side along the axial direction of the elastic ring skeleton and a plurality of buckles 6 fixed along the circumference of the elastic ring through a mold. Two rows of tightly attached elastic rings 7 are arranged along the radial direction of the elastic ring skeleton 1, and the buckles 6 are arranged along the radial direction of the elastic ring skeleton 1 with two rows of through holes 10 for fixing the elastic rings 7, and each row of through holes 10 is repeatedly arranged 5 along the axial direction of the elastic ring skeleton 1. In order to facilitate the connection between the reel 4 and the wheel hub 2, the buckle 6 has a connector 8 on the side facing the wheel hub 2; the connector 8 is fixedly matched with the elastic connection unit 3. The number of buckles 6 is consistent with the number of elastic connection units 3, which is 12 to 18.

一体成型的弹性环骨架1可以使用铜、铁、铝、铝合金等金属材料铸造;本实施例采用托蜡鋳造法,将金属熔炼成符合一定要求的液体并浇进铸型里,经冷却凝固、清整处理后得到有预定形状、尺寸和性能的弹性骨架。具体成型工艺如下:(1)铸型(使液态金属成为固态铸件的容器)准备,铸型采用金属型、陶瓷型、泥型或者石墨型;(2)铸造金属的熔化与浇注,铸造金属主要有各类铸铁、铸钢和铸造有色金属及合金;(3)弹性骨架铸件处理和检验,包括清除型芯和表面异物、切除浇冒口、铲磨毛刺和披缝等凸出物以及热处理、整形、防锈处理和粗加工等。当然,所述弹性环骨架1还可以使用碳纤维、聚氨酯等其他材料来制作。The integrally formed elastic ring skeleton 1 can be cast using metal materials such as copper, iron, aluminum, and aluminum alloys; this embodiment adopts a wax casting method to melt the metal into a liquid that meets certain requirements and pour it into a mold. After cooling, solidification, and cleaning, an elastic skeleton with a predetermined shape, size, and performance is obtained. The specific molding process is as follows: (1) Preparation of a mold (a container for liquid metal to become a solid casting), the mold adopts a metal mold, a ceramic mold, a clay mold, or a graphite mold; (2) Melting and pouring of the casting metal, the casting metal mainly includes various types of cast iron, cast steel, and cast non-ferrous metals and alloys; (3) Processing and inspection of the elastic skeleton casting, including removing cores and surface foreign matter, cutting off pouring and risers, grinding burrs and seams, and heat treatment, shaping, rust prevention, and rough processing. Of course, the elastic ring skeleton 1 can also be made of other materials such as carbon fiber and polyurethane.

参考图4,优选实施例中,通孔10为圆形,半径R为5~10mm,过渡区域的弧度r1为30~60mm,连接头8与卡扣6的连接区域弧度r2为10~20mm,每个卡扣6有2排通孔10,每排通孔10数量为5个。当然,通孔10的具体形状和尺寸是本领域普通技术人员根据需要可以自行调整的。Referring to FIG4 , in a preferred embodiment, the through hole 10 is circular, with a radius R of 5 to 10 mm, a transition area curvature r1 of 30 to 60 mm, a connection area curvature r2 of 10 to 20 mm between the connector 8 and the buckle 6, and each buckle 6 has two rows of through holes 10, with five through holes 10 in each row. Of course, the specific shape and size of the through hole 10 can be adjusted by a person skilled in the art as needed.

参考图5,优选实施例中,弹性连接单元3为铰链组,所述铰链组包括三节铰接连接的铰链31,并通过销钉(图未示)连接;此时弹性连接单元3与连接头8和轮毂2也通过销钉固定连接。弹性连接单元3主要用于缓冲车辆运行过程中产生的弯曲、拉压、扭矩等作用,使弹性环骨架相对于轮毂能够产生一定的变形,以避免轮胎扎胎、爆胎等问题,提高了车轮的安全性和舒适性。当然,本领域技术人员也可以采用拉簧作为弹性连接单元,此时连接头8和轮毂2对应位置设置与拉簧配合的装配孔即可。Referring to Figure 5, in a preferred embodiment, the elastic connection unit 3 is a hinge group, which includes three hinges 31 connected by hinges, and connected by pins (not shown); at this time, the elastic connection unit 3 is also fixedly connected to the connector 8 and the wheel hub 2 by pins. The elastic connection unit 3 is mainly used to buffer the bending, tension, compression, torque and other effects generated during the operation of the vehicle, so that the elastic ring skeleton can produce a certain deformation relative to the wheel hub to avoid problems such as tire punctures and blowouts, thereby improving the safety and comfort of the wheel. Of course, those skilled in the art can also use tension springs as elastic connection units. In this case, the corresponding positions of the connector 8 and the wheel hub 2 are provided with assembly holes that match the tension springs.

以上所述的具体实施例,对本发明的目的、技术方案和有益效果进行了进一步详细说明,应理解的是,以上所述仅为本发明的具体实施例而已,并不用于限制本发明,在不脱离本发明的精神和原则的前提下,本领域普通技术人员对本发明所做的任何修改、等同替换、改进等,均应落入本发明权利要求书确定的保护范围之内。The specific embodiments described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Without departing from the spirit and principles of the present invention, any modifications, equivalent substitutions, improvements, etc. made to the present invention by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims (7)

1. A mechanical elastic wheel with an integrated elastic ring framework and a wheel structure is characterized in that: the wheel comprises a wheel hub and a wheel assembly which are sequentially arranged from inside to outside, wherein the wheel assembly is connected with the wheel hub through a plurality of elastic connecting units distributed along the circumferential direction of the wheel hub, the wheel assembly comprises an elastic ring framework and a rubber layer, the elastic ring framework is formed by integrally forming a plurality of elastic rings which are axially arranged side by side along the elastic ring framework and a plurality of buckles which are circumferentially fixed along the elastic rings, and the elastic ring framework is embedded into the rubber layer;
in order to facilitate the connection of the software wheel and the hub, one side of the buckle, facing the hub, is provided with a connector, and the connector is fixedly matched with the elastic connection unit.
2. A mechanomotive wheel having an integrated elastomeric ring skeleton and wheel structure according to claim 1, wherein: at least two rows of closely attached elastic rings are arranged along the radial direction of the elastic ring framework, at least two rows of through holes for fixing the elastic rings are arranged along the radial direction of the elastic ring framework, and a plurality of through holes are repeatedly arranged along the axial direction of the elastic ring framework.
3. A mechanomotive wheel having an integrated elastomeric ring skeleton and wheel structure according to claim 1, wherein: the elastic connection unit is a hinge group or a tension spring.
4. A mechanomotive wheel having an integrated elastic ring skeleton and wheel structure according to claim 3, wherein: the hinge group comprises at least two hinges connected through pins.
5. The mechanomotive wheel with integrated elastic ring skeleton and wheel structure according to claim 1, wherein: the buckles are uniformly arranged in 12-18 along the circumferential direction of the elastic ring framework.
6. The mechanomotive wheel with integrated elastic ring skeleton and wheel structure according to claim 1, wherein: the elastic ring framework is made of any one of copper, iron, aluminum alloy, carbon fiber and polyurethane.
7. The mechanomotive wheel with integrated elastic ring skeleton and wheel structure according to claim 1, wherein: the hub is uniformly provided with a plurality of lightening holes.
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CN109911087B (en) * 2019-03-07 2020-06-23 南京航空航天大学 Two-wheeled explosion-proof electric balance vehicle and balance control method thereof
CN109866857B (en) * 2019-03-28 2024-07-16 南京航空航天大学 Two-wheeled explosion-proof electrodynamic balance car
CN111016530B (en) * 2019-12-20 2023-07-21 南京航空航天大学 A shock-absorbing hinge group structure for a mechanically elastic wheel

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