WO2012136022A1 - 一种弹簧轮胎 - Google Patents

一种弹簧轮胎 Download PDF

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Publication number
WO2012136022A1
WO2012136022A1 PCT/CN2011/076676 CN2011076676W WO2012136022A1 WO 2012136022 A1 WO2012136022 A1 WO 2012136022A1 CN 2011076676 W CN2011076676 W CN 2011076676W WO 2012136022 A1 WO2012136022 A1 WO 2012136022A1
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WO
WIPO (PCT)
Prior art keywords
spring
tire
rim
ring
rubber
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PCT/CN2011/076676
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English (en)
French (fr)
Inventor
肖峰
Original Assignee
Xiao Feng
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Publication date
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Publication of WO2012136022A1 publication Critical patent/WO2012136022A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C7/00—Non-inflatable or solid tyres
    • B60C7/10—Non-inflatable or solid tyres characterised by means for increasing resiliency
    • B60C7/14—Non-inflatable or solid tyres characterised by means for increasing resiliency using springs
    • B60C7/16—Non-inflatable or solid tyres characterised by means for increasing resiliency using springs of helical or flat coil form
    • B60C7/20—Non-inflatable or solid tyres characterised by means for increasing resiliency using springs of helical or flat coil form disposed circumferentially relative to wheel axis

Definitions

  • the invention relates to a spring tire.
  • the tires for vehicles are divided into bias tires, steel vacuum tires, solid tires, etc., and special valve core devices are provided. Except for solid tires, tires need to be inflated, because of the high cost and heavy weight of solid tires. It is used for special vehicles in special situations.
  • the bias tires (basically all have tube tires) are basically in the elimination of technical varieties. In recent years, they have become more and more vacuum-type steel tires (including semi-wire tires and all-steel tires), and their tires are used.
  • the sleeve is mounted on the outer circumference of the rim (steel ring), and the outer tire opening is close to the rim when installed.
  • the material of the vacuum type tire is mainly rubber and some reinforcing materials.
  • the vacuum type tire When the tire is pierced by a sharp-shaped foreign object such as a nail, although the vacuum type tire has certain stab-proof performance, it causes a puncture or a slow-leakage abortion phenomenon.
  • all pneumatic tires have a risk of puncture, which affects driving safety. At the same time, it needs to be inflated and repaired, which increases maintenance costs and delays driving time.
  • some new spring tires are proposed, which include a carcass made of rubber and a layer of spring disposed in the carcass.
  • the application number is "99215397. 2”, specifically describing an inflatable-free spring tire, which is provided with a round spring or a leaf spring, a round spring or a plate inside the inner side of the rubber tire or inside the rubber tire.
  • the shape of the spring is the same as the shape of the cross section of the tire, and the middle of the coil is empty.
  • the spring tire can prevent the tire from being punctured by the foreign object, solve the risk of the puncture of the pneumatic tire, and does not need to inflate and repair the tire; but since it is a leaf spring, it is necessary to provide a plurality of leaf springs of the same elasticity, resulting in The installation is complicated and the stability is not high; when the internal setting is a round spring, it can be known from the patent that only one layer of spring can be included, the supporting force is limited, and the bearing can only be changed by the change of the spring line. The amount, which easily affects the elasticity of the spring.
  • the single spring that plays the supporting role must be balanced to the elastic effect of the spring during the driving, so that the gap between the spirally wound spring and the contact point of the tire is large, and the support point is not enough, in terms of smoothness, it is better than the existing one.
  • Inflated tires in order to make it more stable, it is necessary to increase the lining, which also leads to increased costs, increased process complexity, and affects the spring's own elastic effect, resulting in greater noise and greater comfort; After that, as long as one of the springs of the leaf spring or the spring of the round spring breaks, the entire spring tire is immediately scrapped and cannot be used anymore, especially according to the tire.
  • the present invention provides a spring tire which can effectively improve the comfort, stability and support strength of the spring tire while achieving a leak-proof and explosion-proof effect.
  • the specific technical solution adopted by the present invention is a spring tire comprising a rim, a ring-shaped tire casing and a compression spring in the tire casing, wherein the compression spring is arranged as a ring-shaped spring tire ring. At least two sets of individual spring tire rings are juxtaposed around the outside of the rim, and the juxtaposed spring tire rings are fixed with a glue.
  • At least two sets of multi-layer spring tire rings are juxtaposed around the rim, and the nested multi-layer spring tire rings are provided with a colloidal fixing, and the single or nested multi-layers juxtaposed around the rim
  • the spring tire ring is provided with a colloid at the contact of the rim and the tire casing.
  • the compression spring is a spiral wire made of a single steel wire spirally wound into a ring shape, and the diameter of the wire is in the range of 10 mm to 50 mm.
  • the shape of the cut surface of the wire is circular or polygonal.
  • a rubber sleeve may be wrapped on the outside of the wire as needed.
  • the material of the above colloid and rubber sleeve may be rubber, especially polyurethane rubber, which has stable performance, high wear resistance, and is combined with the rubber layer of the tire to form a stable cushion between the spring and the tire.
  • the spring tire has a tire diameter that is 2 mm to 10 mm larger than the inner diameter of the tire casing, so that the tire casing, the spring tire ring and the rim are closely combined.
  • the array spring tire can be unaffected by the wire, and can adjust the number of spring groups to adapt to the load weight requirement and maintain the constant weight of the tire. According to the actual measurement data, the diameter of the wire of the same material is more Small, more flexible. If the diameter of the wire is constant, the elasticity of each set of springs can be greatly improved under the same load condition, and the bearing capacity can be increased by more than 50%.
  • the load capacity is also increased by more than 50%;
  • the elasticity is several times larger than that of a single spring tire.
  • the invention comprises a plurality of sets of annular springs, and a single or overlapping multi-layer spring tire ring is juxtaposed around the outside of the rim, the support point is more than a single set of springs, and the contact area of the spring with the rim and the tire casing is increased, and the full degree of integration is achieved.
  • each spring ring and the glue between the layers together constitute a spring system as a whole, compared with the single or single set of springs in the prior art, the support strength is more balanced, so that the tire is It is smoother and less vibrating during driving, and the noise generated by the tires coming into contact with the ground will be greatly reduced.
  • a single or overlapping multi-layer spring bead is juxtaposed around the outside of the rim to meet the current need for ever larger tire rims and smaller and smaller tire casings.
  • Several or array springs are placed between the rim and the tire, depending on the rim and The distance between the tires is adjusted to the diameter and quantity to ensure the normal shape of the tire and effectively prevent the puncture.
  • the spring tire of the present invention can be supported by other sets of compression springs in a short time after a set of rigid wires are broken, which is more safe than a single set of compression springs. It also increases the service life of spring tires.
  • the cost is reduced. Due to the arrangement of multiple sets of springs, the other materials required for the tire are greatly reduced compared with the existing ordinary tires, such as the reduction of the steel wire material, the elimination of the valve core device, etc., in the case of satisfying the same elasticity and strength requirements. It is also greatly simplified. The large amount of mechanical equipment required for the production process is reduced, the production cost is greatly reduced, and the service life of such spring tires is extended. After the tire is worn, the tire can be replaced only, which greatly reduces the cost.
  • the spring tire of the invention achieves stab, anti-slip, explosion-proof and anti-leakage, and has more uniform force and greater support strength, thereby improving the safety and comfort of the tire during driving. .
  • Figure 1 is a schematic view showing the structure of the spring tire
  • FIG. 2 is a schematic view showing the distribution of a spring tire ring of a spring tire
  • Figure 3 is a schematic structural view of a compression spring
  • Figure 4 is a cross-sectional view taken along line A-A of Embodiment 1 of Figure 1;
  • Figure 5 is a cross-sectional view taken along line A-A of Example 2 of Figure 1.
  • the rim 1, the annular tire 2 and the compression spring in the casing 2 the compression spring is an annular spring ring 3, and four sets of individual spring tires are provided.
  • the ring 3 is juxtaposed around the outside of the rim 1 , and the juxtaposed spring tire rings 3 are provided with a colloid 4 fixed, and a single spring tire ring 3 which is arranged outside the rim 1 is provided with a colloid 4 at the contact point of the rim 1 or the tire casing 2,
  • the ring diameter d h of the compression spring is formed by a small ring into a ring inner ring, and a colloid 4 is provided between the two sets of spring rings to stabilize and maintain elastic balance.
  • the compression spring is made of a single metal wire.
  • the prepared filament 5 is spirally wound into a ring shape, and the diameter of the wire 5 is in the range of 10 mm to 50 mm.
  • a rubber sleeve 6 is wrapped on the outside of the rigid wire 5: the performance is stable, the abrasion resistance is high, and the rubber layer is synthesized into a stable cushion between the spring and the tire.
  • the tire diameter of the spring bead 3 surrounded by the compression spring that is, the tire diameter d t in FIG. 1 varies according to the shape of the tire. It is equal to the inner diameter of the tire or 2mm-10mm larger than the inner diameter of the tire to ensure the tight combination of the tire carcass and the spring, so that the carcass is the same as the pneumatic tire.
  • Fig. 5 As shown in Fig. 5, three sets of spring tire rings 3 are arranged side by side around the rim 1, and a plurality of laminated spring rings 3 are provided with a colloid 4 fixed.

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

Description

说 明 书
一种弹簧轮胎
技术领域
本发明涉及一种弹簧轮胎。
背景技术
目前， 车辆用轮胎分为斜交胎、 钢丝真空胎、 实心胎等几种都设置有专门的气门芯 装置， 除实心胎以外， 轮胎都需要充气， 由于实心胎的成本高、 重量大， 主要是特殊情 况的特种车使用， 斜交胎 （基本都为有内胎轮胎）基本处于淘汰技术品种， 近年来越来 越趋于真空型钢丝轮胎 （含半钢丝胎和全钢丝轮胎） ， 其外胎使用橡胶材料制作而成， 套撑安装在轮辋 （钢圈） 的外周， 安装时外胎开口正对轮辋， 紧密吻合。
真空型轮胎的材料主要为橡胶以及一些增强材料， 当轮胎被钉子等尖削状外物刺穿 时， 虽然真空型轮胎有一定的防刺性能， 但引发爆胎或慢漏气瘪胎现象时有发生， 所有 充气轮胎都有爆胎风险， 影响行车安全， 同时需要充气和补胎， 从而增加维修成本， 耽 误行车时间。
为了真正解决爆胎漏气等问题， 继而又提出了一些新型的弹簧轮胎， 其包括橡胶制成的 胎体及设置于胎体内的一层弹簧。 例如孙兴高提出的申请号为 "99215397. 2 "的实用新 型专利申请中， 具体描述了一种免充气弹簧轮胎， 在橡胶外胎的内侧或橡胶内部一周置 有圆簧或板簧， 圆簧或板簧的形状与外胎截面形状相同， 簧圈的中间位空蕊。 此种弹簧 轮胎能够防止轮胎被外物刺扎， 解决充气轮胎都有的爆胎风险， 且不需要充气与补胎； 但由于其为板簧时， 需要设置多个相同弹性的板簧， 导致安装复杂， 且稳定性不高； 而 当其内部设置的是圆簧时， 由该专利图中可知只能包括一层弹簧， 支撑力有限， 且只能 通过弹簧线经的变化来改变其承载量， 这样易影响弹簧的弹性。 同时， 起到支撑作用的 单根弹簧在行驶途中， 由于必须均衡到弹簧的弹性效果， 使得螺旋缠绕的弹簧与外胎的 接触点相隔间隙大， 支撑点不够多， 在平稳度方面比不过现有的充气轮胎， 因而为了使 之进一步平稳， 需要增加衬板， 而这样也导致了成本上升， 工艺复杂度提高， 且影响弹 簧本身的弹性作用， 使得噪音偏大， 舒适度大大降低； 在长期使用后， 只要板簧中的一 根弹簧或圆簧的刚丝断裂， 则整个弹簧轮胎立即报废， 不能继续使用， 特别是根据轮胎 载重量的变大， 必须靠增粗弹簧刚丝的办法解决， 这样必然增加轮胎本身的重量， 因此 成本方面和安全方面也不能满足驾驶员要求。上述缺陷严重影响了此种弹簧轮胎的推广 运用， 因此这种新型的弹簧轮胎也一直没有能够有效的替代常规充气轮胎以及真正解决 了弹簧类型的轮胎不能在实践中实用的问题。
针对上述现有技术存在的缺陷， 本发明提供一种弹簧轮胎， 能够在实现防漏防爆 防刺效果的同时， 有效提高弹簧轮胎的舒适性、 稳定性和支撑强度。
本发明采取的具体技术方案是， 一种弹簧轮胎， 包括轮辋、 呈环状的外胎和外胎 内的压縮形弹簧， 其特征是， 所述压縮形弹簧设置为呈环状的弹簧胎环， 至少两组单个 的弹簧胎环并列环绕在轮辋外部， 且并列的弹簧胎环间设有胶体固定。
至少两组套在一起的多层弹簧胎环并列环绕在轮辋外部， 且套在一起的多层弹簧 胎环间设有胶体固定，所述并列环绕在轮辋外部的单个或套在一起的多层弹簧胎环与轮 辋和外胎接触处设有胶体。
压縮形弹簧是由单根钢丝制成的刚丝螺旋缠绕成环状，所述刚丝的直径范围在 10mm_50mm之间。
所述刚丝的切面形状为圆形或多边形。
为了使得刚丝绝缘， 且具有较高的抗腐蚀性， 以保证弹簧轮胎的耐用性， 在所述 刚丝外侧根据需要可包裹有胶套。
上述胶体及胶套的材料可以是橡胶， 特别是聚氨酯类橡胶， 其性能稳定、 高耐磨、 与轮胎的橡胶层合成为弹簧间以及外胎间的稳定垫层。
所述的弹簧胎环的胎径比外胎的内直径大 2mm-10mm， 使外胎、 弹簧胎环、 轮辋 三者紧密结合。
基于上述结构的所述弹簧轮胎能带来以下技术效果：
1、 弹性好。 现有弹簧轮胎技术中只包含单个压縮形弹簧， 其必须通过弹簧刚丝的 变化而改变其承载量， 而在考虑到承载量的同时， 往往不能满足压縮形弹簧的弹性及轻 量化要求。 而数组弹簧轮胎可以不受刚丝影响， 而可以通过调节弹簧组数以适应载重量 的要求， 并且保持轮胎的恒定重量； 根据实际测量数据可知， 同一材料的刚丝的直径越 小， 弹性越大。 如果刚丝的直径大小不变， 同一载重情况下每增加一组弹簧其弹性可大 大提高， 其承载力可增加 50%以上。 当多组压縮形弹簧的刚丝直径总和与一组弹簧的刚 丝直径相同时， 因为数组弹簧与中间胶体的一起形成一个系统承载体， 其载重量亦增加 50%以上； 因此整个弹簧轮胎的弹性较单一弹簧轮胎要大数倍。
2、 舒适度提高。 由于现有技术中的弹簧轮胎中只含有一组环状压縮形弹簧， 在与 地面接触时， 所述压縮形弹簧的支撑点少， 导致行驶中， 平稳度降低， 影响舒适度， 而 本发明中包含多组环状弹簧， 单个或重叠的多层弹簧胎环并列环绕在轮辋外部， 其支撑 点较单组弹簧要多， 且弹簧与轮辋和外胎的接触面积增大， 充分结合度远远大于单个或 单组弹簧， 各个弹簧胎环和各层之间的胶体一并构成一个弹簧系统整体， 与现有技术中 的单个或单组弹簧相比， 支撑力度更加均衡， 使得轮胎在行驶过程中更加平稳， 振动性 小， 轮胎与地面接触所发出的噪音也将大大减低。
3、 安全性增大。 单个或重叠的多层弹簧胎环并列环绕在轮辋外部， 可满足目前轮 胎轮辋体积不断扩大而外胎空间越来越縮小的需要， 并列的数个或数组弹簧在轮辋与外 胎之间， 根据轮辋和外胎间的距离大小调整其直径和数量， 保证轮胎的正常形态和有效 防止爆胎。 本发明所述弹簧轮胎在行驶过程中， 其中一组刚丝断裂后， 仍可以短时间由 其他组压縮形弹簧支撑， 比单一组压縮形弹簧构成的弹簧轮胎要更具安全性， 同时也增 加了弹簧轮胎的使用寿命。
4、 成本降低。 由于多组弹簧的设置， 使得在满足相同弹性和强度要求的情形下， 同现有普通轮胎比较， 外胎所需的其他材料大大减少， 如钢丝材料减少、 取消了气门芯 装置等， 从而制作工艺也大大简化， 生产工艺需要的大量机械设备减少， 生产成本大大 降低， 加上此类弹簧轮胎的使用寿命延长； 外胎磨损后， 可以只需更换外胎， 大大降低 了成本。
5、 节约材料。 原有普通轮胎， 包括有内胎的和无内胎的真空胎， 其保气层和内胎 需要保气性能好的材料丁基胶， 由于丁基胶的产量有限， 供不应求的情况越来越严重， 是目前影响全球轮胎产业发展的一大瓶颈。 而且价格比一般橡胶要高出很多， 上述的弹 簧轮胎去掉了此保气层， 即不需要丁基胶材料。 6、 与实心胎比较， 有其所有的功效的同时， 增加了弹性， 保持了真空胎的特点， 轮胎 也轻量化。
7、 增加防滑和轮胎的抓力。 由于该种轮胎的弹簧并列和外胎结合， 使胎体的钢性增加， 环状的弹簧环与环之间的空隙形成一定的凹凸齿轮状，增加了轮胎的防滑性能和上下坡 的抓地性能。
综上所述， 本发明所述弹簧轮胎， 在实现防刺、 防滑、 防爆、 防漏气的同时， 受 力更均匀， 支撑强度更大， 提高了轮胎在行驶过程中的安全性和舒适性。
附图说明
图 1是所述弹簧轮胎的结构示意图；
图 2是弹簧轮胎的弹簧胎环分布示意图；
图 3是一段压縮形弹簧的结构示意图；
图 4是图 1中实施例 1的 A-A向剖视图；
图 5是图 1中实施例 2的 A-A向剖视图。
具体实施方式
实施例 1
如图 1-4所示， 包括轮辋 1、 呈环状的外胎 2和外胎 2内的压縮形弹簧， 压縮形弹 簧为呈环状的弹簧胎环 3， 设有四组单个的弹簧胎环 3并列环绕在轮辋 1外部， 且并列 的弹簧胎环 3间设有胶体 4固定， 并列环绕在轮辋 1外部的单个的弹簧胎环 3与轮辋 1 或外胎 2接触处设有胶体 4， 所述压縮形弹簧的环径 dh， 由大环套小环形成了环中环， 在相邻两组弹簧胎环之间设置有起到稳固以及维持弹性均衡作用的胶体 4、 本实施例中 压縮形弹簧是由单根金属钢丝类， 目前较好的为碳钢材料， 以后随着新型钢性好、 弹性 大、 重量轻的材料出现而选用新材料， 其胶体也一样， 以后会不断出现弹性和耐磨性能 好的同类型材料而选用新材料， 制成的刚丝 5螺旋缠绕成环状，所述刚丝 5的直径范围 在 10mm_50mm之间。 在所述刚丝 5外侧包裹有胶套 6: 其性能稳定、 高耐磨、 与橡胶层 合成为弹簧间以及外胎间的稳定垫层。
由压縮形弹簧环绕而成的弹簧胎环 3的胎径，即图 1中胎径 dt按轮胎形状而变化， 与外胎的内直径相等或者是比外胎的内直径大 2mm-10mm ， 以保证轮胎外胎体与弹簧 紧密的结合， 使外胎体跟充气轮胎一样。
实施例 2
如图 5所示， 设有三个套在一起的弹簧胎环 3并列环绕在轮辋 1外部， 且套在一 起的多层弹簧胎环 3间设有胶体 4固定。
其他结构与实施例 1相同， 在此不再赘述。

Claims

权 利 要 求 书
1、 一种弹簧轮胎， 包括轮辋 （1) 、 呈环状的外胎 （2) 和外胎 （2) 内的压縮形弹 簧， 其特征是， 所述压縮形弹簧设置为呈环状的弹簧胎环 （3) ， 至少两组单个的弹簧 胎环 （3) 并列环绕在轮辋 （1) 外部， 且并列的弹簧胎环 （3) 间设有胶体 （4) 固定。
2、 根据权利要求 1所述的一种弹簧轮胎， 其特征是， 至少两组套在一起的多层弹 簧胎环 （3) 并列环绕在轮辋 （1) 外部， 且套在一起的多层弹簧胎环 （3) 间设有胶体 (4) 固定。
3、根据权利要求 1或 2所述的一种弹簧轮胎， 其特征是， 所述并列环绕在轮辋（1) 外部的弹簧胎环 （3) 与轮辋 （1) 或外胎 （2) 接触处设有胶体 （4) 。
4、 根据权利要求 1-2之一所述的一种弹簧轮胎， 其特征是， 所述的胶体 （4) 为橡 胶。
5、 根据权利要求 4所述的一种弹簧轮胎， 其特征是， 所述橡胶为聚氨脂橡胶。
6、 根据权利要求 1或 2所述的一种弹簧轮胎， 其特征是， 压縮形弹簧是由单根钢 丝螺旋缠绕成环状,所述钢丝 （5) 的直径范围在 10mm_50mm之间。
7、 根据据权利要求 6所述的一种弹簧轮胎， 其特征是， 所述刚丝 （5) 的切面形状 为圆形或多边形。
8、 根据权利要求 6所述的一种弹簧轮胎， 其特征是， 所述刚丝 （5)外侧包裹有胶 套 （6) 。
9、 根据权利要求 8所述的一种弹簧轮胎， 其特征是， 所述的胶套 （6) 为橡胶。
10、 根据权利要求 1所述的一种弹簧轮胎， 其特征是， 所述的弹簧胎环 （3) 的胎 径比外胎 （2) 的内直径大 2mm-10mm。
PCT/CN2011/076676 2011-04-08 2011-06-30 一种弹簧轮胎 WO2012136022A1 (zh)

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CN107856478B (zh) * 2017-10-23 2023-12-01 东莞市宏元电子科技有限公司 免充气微变形载重轮胎
CN112918192A (zh) * 2021-03-29 2021-06-08 常春云 一种圆周弹簧与向心弹簧组架轮胎

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CN2468774Y (zh) * 2001-04-01 2002-01-02 蔡勇飞 一种新型车胎
CN2794895Y (zh) * 2005-03-25 2006-07-12 牛赡光 免充气轮胎
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