WO2011017943A1 - 一种气囊式路面加速加载试验装置 - Google Patents

一种气囊式路面加速加载试验装置 Download PDF

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Publication number
WO2011017943A1
WO2011017943A1 PCT/CN2010/072322 CN2010072322W WO2011017943A1 WO 2011017943 A1 WO2011017943 A1 WO 2011017943A1 CN 2010072322 W CN2010072322 W CN 2010072322W WO 2011017943 A1 WO2011017943 A1 WO 2011017943A1
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Prior art keywords
spoke
pavement
road surface
loading test
airbag
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Application number
PCT/CN2010/072322
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English (en)
French (fr)
Inventor
冯晋祥
国兴玉
王旭光
韩鹰
张鹏
孔祥臻
王慧君
李祥贵
管志光
贾倩
张吉卫
吴清珍
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山东交通学院
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Application filed by 山东交通学院 filed Critical 山东交通学院
Priority to NZ597553A priority Critical patent/NZ597553A/xx
Priority to CA2767464A priority patent/CA2767464C/en
Priority to US13/382,843 priority patent/US8757002B2/en
Priority to AU2010282133A priority patent/AU2010282133C1/en
Publication of WO2011017943A1 publication Critical patent/WO2011017943A1/zh
Priority to ZA2012/00164A priority patent/ZA201200164B/en

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/32Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
    • G01N3/36Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003Generation of the force
    • G01N2203/0042Pneumatic or hydraulic means
    • G01N2203/0044Pneumatic means

Definitions

  • the present invention relates to a test apparatus, and more particularly to a bladder type road surface accelerated loading test apparatus. Background technique
  • the road surface accelerated loading test equipment is a special equipment for testing and detecting pavement materials and structures.
  • the existing rolling device of the road surface acceleration loading test equipment mainly adopts a reciprocating and circulating rolling type to reproduce the actual rolling operation of the vehicle on the road surface, and the rolling pressure of the road iti is mostly from the counterweight. Or hydraulic pressure, its structure is complex, low efficiency, high energy consumption, and high noise. Summary of the invention
  • the present invention is directed to the deficiencies of the prior art, and provides an accelerated loading test device that can better reproduce the rolling condition of the road surface during actual operation of the vehicle, and has an efficient, energy-saving and environmental protection function.
  • An airbag type road surface accelerated loading test device comprises a body, a rolling wheel and a pneumatic suspension system, wherein the air controlled suspension system is composed of an air bag, a ventilation bolt, a spoke, a valve, a connecting shaft and a swing frame,
  • the air bag, the ventilating bolt, the spoke, the valve and the connecting shaft constitute an air storage space that can communicate with each air bag, and the air storage space is inflated or deflated by the air nozzle, and the swing frame is hinged to the spoke.
  • one end of the airbag is fixed on the spoke by a vent bolt, and the other end is fixed to the swing frame by bolts, and the spoke is welded on the connecting shaft, and the spoke assembly is composed of the spoke, the swing frame and the connecting shaft, and the rolling wheel is at the spoke.
  • the component is driven to rotate around the connecting shaft, and one of the roller compactors is in contact with the experimental road surface under the joint action of the airbag and the spoke assembly, and the rolling test is performed on the road, and the plurality of crushing wheels are sequentially continuous in the airbag. Rolling test on the road surface under the joint action of the spoke assembly.
  • the spokes are disposed in the body, and the spokes are driven by the motor through the V-belt and the reducer. move.
  • the airbag type road surface accelerated loading test device has a gas storage space of the air suspension system consisting of an air bag, a ventilation bolt, a spoke, a valve, and a connecting shaft, and the entire gas storage space is filled and discharged through the valve, and The gas pressure of the system controls the crushing pressure of the roller on the experimental pavement.
  • the above-mentioned airbag type road accelerates the loading test device.
  • the roller compactor presses the airbag by the swing frame and the spoke hinge to pressurize the airbag, and the spoke assembly drives the road surface to carry out the rolling test.
  • the airbag type road surface accelerated loading test device of the invention is operated by a motor through a V-belt drive, and the reducer drives the spoke assembly to rotate around the communication shaft, and the plurality of roller compactors are driven by the spokes and the swing frame of the spoke assembly, in turn
  • the airbag and the spoke assembly work together to perform a rolling test on the road surface.
  • the airbag type road surface accelerated loading test device of the present invention has the following beneficial effects:
  • the invention adopts the rolling type of the airbag type road surface accelerated loading, can better reproduce the rolling condition of the road surface during the actual running of the vehicle, and can make the structure simple, the work is reliable, and the noise is low.
  • the invention adopts a spoke, a swing frame and a connecting shaft to form a spoke assembly, which drives a plurality of rolling wheels to rotate, and sequentially performs a rolling test on the road surface under the joint action of the air bag and the spoke assembly, thereby improving the test efficiency and reducing the test efficiency. Energy consumption.
  • FIG. 1 is a schematic front view showing the structure of an airbag type road surface accelerated loading test device
  • FIG. 2 is a schematic left side view of the airbag type road surface accelerated loading test device. Description of the reference numerals
  • the airbag type road surface acceleration loading test device of the present invention comprises a machine body 7, a crushing wheel 1 and a pneumatic control suspension system, and the air control suspension system comprises an air bag 2, a ventilation bolt 5, The spoke 6, the valve 10, the communication shaft 11 and the swing frame 3 are formed.
  • the air bag 2, the ventilating bolt 5, the spoke 6, the valve 10 and the communication shaft 1 1 constitute a gas storage space that can communicate with each air bag, and the gas storage space is inflated or deflated by the valve 10, and the gas pressure of the system is used. Control the rolling pressure of the roller 10 on the experimental road surface.
  • the spokes 6 are hinged to the pendulum frame 3 through the pin shaft, and the spokes 6, the pendulum frame 3 and the communication shaft 1 1 constitute a spoke assembly, and the spoke assembly drives the plurality of roller compactors 1 to rotate clockwise.
  • the rolling test was carried out on the road surface under the joint action of the airbag 2 and the spoke assembly.
  • the body 7 of the above-mentioned accelerated loading test device is provided with a control leg 9 and a stepping motor 8.
  • the control leg 9 By adjusting the control leg 9 to adjust the rolling length of the rolling wheel 1 to the road surface, the gas pressure in the gas storage space can also be changed.
  • the accelerated loading test device is simple and convenient to process, and can be processed according to the drawings shown in the specification.

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Road Repair (AREA)

Description

一种气囊式路面加速加载试验装置 技术领域
本发明涉及一种试验设备, 具体地说是一种气囊式路面加速加载试 验装置。 背景技术
路面加速加载试验设备是试验、 检测路面材料与结构的专用设备。 现有的路面加速加载试验设备的碾压装置主要采用往复式和循环式的碾 压形式, 以再现车辆实际运行吋对路面的碾压情况, 而其对路 iti的碾压 压力大都来自配重或液压压力, 其结构复杂、 效率较低、 能耗较高、 噪 声较大。 发明内容
本发明针对现有技术的不足, 提供一种能更好地再现车辆实际运行 时对路面的碾压情况, 具有高效、 节能和环保作用的路而加速加载试验 装置。
本发明解决其技术问题所采用的技术方案是:
一种气囊式路面加速加载试验装置, 其包括机体、 碾压轮和气控悬 架系统, 所述气控悬架系统由气囊、 通气螺栓、 轮辐、 气门嘴、 连通轴 和摆架构成, 所述气囊, 通气螺栓, 轮辐, 气门嘴和连通轴构成可以连 通各个气囊的储气空间, 由所述气 ί 1嘴对所述储气空间进行充气或放 气, 所述摆架与所述轮辐铰接。
进一歩地, 气囊的一端由通气螺栓固定在轮辐上, 另一端用螺栓连 接固定在摆架上, 轮辐焊接在连通轴上, 由轮辐、 摆架和连通轴构成轮 辐组件, 碾压轮在轮辐组件的带动下绕连通轴旋转, 碾压轮中的一个在 气囊和轮辐组件的共同作用下与实验路面接触, 对路而进行碾压实验, 并且, 使多个碾压轮, 依次连续在气囊和轮辐组件的共同作用下对路面 进行碾压实验。
优选地, 轮辐设置于机体中, 轮辐由电动机通过 V 型带、 减速器驱 动。
上述气囊式路面加速加载试验装置, 其气控悬架系统的储气空间由 气囊, 通气螺栓, 轮辐, 气门嘴, 连通轴构成, 通过气门嘴对整个储气 空间进行充放气, 并以其系统的气体压力来控制碾压轮对实验路面的碾 压力。
上述气囊式路而加速加载试验装置, 当其某个碾压轮碾压路面时, 碾压轮通过摆架与轮辐铰接压缩气囊对路面施压, 由轮辐组件带动对路 面进行碾压实验。
本发明的气囊式路面加速加载试验装置, 其工作过程是由电动机通 过 V型带传动、 减速器驱动轮辐组件绕连通轴旋转, 由轮辐组件的轮辐 及摆架带动多个碾压轮, 依次在气囊和轮辐组件的共同作用下对路面进 行碾压实验。
本发明的气囊式路面加速加载试验装置与现有技术相比, 所产生的 有益效果是:
1 ) 本发明采用气囊式路面加速加载的碾压形式, 能更好地再现车辆 实际运行时对路面的碾压情况, 可使结构简单、 工作可靠、 噪声较低。
2) 本发明采用轮辐、 摆架、 连通轴构成轮辐组件, 由其带动多个碾 压轮旋转, 依次在气囊和轮辐组件的共同作用下对路面进行碾压实验, 提高了试验效率, 降低了能源消耗。 附图说明
图 1为气囊式路面加速加载试验装置的主视结构示意图;
图 2为气囊式路面加速加载试验装置的左视结构示意图。 附图标记说明
1
2-
Figure imgf000004_0001
4——-限位块
5——通气螺栓 6——轮辐
8——步进电机
9——控制支腿
10——一气门嘴
1 1——连通轴
12——电动机
13——减速器 具体实施方式
结合图 1和图 2对本发明的气囊式路面加速加载试验装置作以下详细 地说明。
如图 1和图 2所示, 本发明的气囊式路面加速加载试验装置, 其包括 机体 7、 碾压轮 1和气控悬架系统, 所述气控悬架系统由气囊 2、 通气螺 栓 5、 轮辐 6、 气门嘴 10、 连通轴 1 1和摆架 3构成。
气囊 2、 通气螺栓 5、 轮辐 6、 气门嘴 10和连通轴 1 1 构成可以连通 各个气囊的储气空间, 由气门嘴 10对储气空间进行充气或放气, 并以其 系统的气体压力来控制碾压轮 1对实验路面的碾压力。
上述加速加载试验装置的机体 7内, 轮辐 6通过销轴与摆架 3铰接, 由轮辐 6、 摆架 3和连通轴 1 1构成轮辐组件, 轮辐组件带动多个碾压轮 1 按顺时针旋转, 在气囊 2 和轮辐组件的共同作用下对路面进行碾压实 验。
上述加速加载试验装置的机体 7上设有控制支腿 9和步进电机 8, 通 过调整控制支腿 9来调整碾压轮 1 对路面的碾压长度, 也可以在储气空 间气体压力不变的前提下适当地调整碾压轮 1 对实验路面的碾压力, 控 制支腿 9越短, 机体 7离实验路面越近, 碾压轮 1对实验路面的碾压力 本发明的气囊式路面加速加载试验装置其加工制作简单方便, 按说 明书附图所示加工制作即可。
除说明书所述的技术特征外, 均为本专业技术人员的已知技术。 尽管已经 出并描述了本发明的实施例, 然而本领域的技术人 可以 了解, 在不脱离本发明的原理和精髓的情况下可以对所述实施例作出变 化, 本发明的保护范围限定在权利要求及其等同物中。

Claims

权 利 要 求
1、 一种气囊式路而加速加载试验装置, 其包括机体 (7) 、 碾压轮 ( 1 ) 和气控悬架系统, 所述气控悬架系统由气囊 (2) 、 通气螺栓 (5) 、 轮辐 (6) 、 气门嘴 (10) 、 连通轴 (11) 和摆架 (3) 构成, 其 特征在于, 所述气囊 (2) 、 通气螺栓 (5) 、 轮辐 (6) 、 气门嘴 (10) 和连通轴 (11 ) 构成可以连通各个气囊的储气空间, 由所述气门嘴 ( 10) 对所述储气空间进行充气或放气, 所述摆架 (3) 与所述轮辐 (6) 铰接。
2、 根据权利耍求 1 所述的气囊式路面加速加载试验装置, 其特征 在于, 所述气囊 (2) 的一端由通气螺栓 (5) 固定在所述轮辐 (6) 上, 另一端由螺栓连接固定在所述摆架 (3) 上, 所述轮辐 (6) 焊接在所述 连通轴 (11) 上, 由所述轮辐 (6) 、 所述摆架 (3) 和连通轴 (11) 构 成轮辐组件, 所述碾压轮 (1) 在所述轮辐组件的带动下绕所述连通轴旋 转, 所述碾压轮 (1) 中的一个在所述气囊 (2) 和所述轮辐组件的共同 作用下与实验路面接触, 对路面进行碾压实验, 并且, 使多个碾压轮 ( 1 ) 依次连续在气囊和轮辐组件的共同作用下对路而进行碾压实验。
3、 根据权利要求 2 所述的气囊式路面加速加载试验装置, 其中, 所述轮辐 (6) 设置于所述机体 (7) 中, 所述轮辐 (6) 由电动机通过 V 型带、 减速器驱动。
4、 根据权利要求 1-3任一项所述的气囊式路面加速加载试验装置, 还包括控制支腿, 所述控制支腿配置为通过调整控制支腿来调整碾压轮
5、 根据权利要求 1-3任一项所述的气囊式路面加速加载试验装置, 还包括控制支腿, 所述控制支腿配置为通过调整控制支腿来调整碾压轮 对实验路面的碾压力。
PCT/CN2010/072322 2009-08-10 2010-04-29 一种气囊式路面加速加载试验装置 WO2011017943A1 (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NZ597553A NZ597553A (en) 2009-08-10 2010-04-29 Pavement accelerated loading testing apparatus with gasbag pneumatic suspension
CA2767464A CA2767464C (en) 2009-08-10 2010-04-29 A gasbag type pavement accelerated loading testing apparatus
US13/382,843 US8757002B2 (en) 2009-08-10 2010-04-29 Gasbag type pavement accelerated loading testing apparatus
AU2010282133A AU2010282133C1 (en) 2009-08-10 2010-04-29 A Gasbag Type Pavement Accelerated Loading Testing Apparatus
ZA2012/00164A ZA201200164B (en) 2009-08-10 2012-01-09 A gasbag type pavement accelerated loading testing apparatus

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CN2009100178111A CN101620050B (zh) 2009-08-10 2009-08-10 一种气囊式路面加速加载实验装置
CN200910017811.1 2009-08-10

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CN (1) CN101620050B (zh)
AU (1) AU2010282133C1 (zh)
CA (1) CA2767464C (zh)
NZ (1) NZ597553A (zh)
WO (1) WO2011017943A1 (zh)
ZA (1) ZA201200164B (zh)

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CN110631938A (zh) * 2019-09-19 2019-12-31 益路恒丰衡水沥青科技有限公司 公路路面加速加载试验系统循环式驱动装置
WO2020048089A1 (zh) * 2018-09-04 2020-03-12 山东交通学院 一种恒温回转式加速加载试验系统

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CN101620050B (zh) * 2009-08-10 2011-03-30 山东交通学院 一种气囊式路面加速加载实验装置
CN103217348B (zh) * 2013-04-12 2016-01-20 同济大学 模拟往复交通移动荷载下碎石土路基力学行为的试验装置
CN105699101B (zh) * 2016-01-27 2018-04-03 中国矿业大学 一种路面能量采集测试系统及方法
US10495556B2 (en) * 2016-02-26 2019-12-03 Csir Accelerated pavement testing
CN106404547A (zh) * 2016-08-29 2017-02-15 中国航空工业集团公司西安飞机设计研究所 一种轮式车辆轴载荷试验装置及方法
CN109342197A (zh) * 2018-08-21 2019-02-15 华北水利水电大学 用于路面材料室内试验的加速加载装置及方法
CN108802351B (zh) * 2018-09-04 2023-12-01 山东交通学院 一种用于路面加速加载试验设备的锁块式单双轴转换装置
CN110455615B (zh) * 2019-09-04 2024-06-21 山东交通学院 一种用于路面加速加载实验的浮动靴锁垫式测力支腿

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AU2010282133C1 (en) 2013-06-13
CA2767464C (en) 2014-12-02
CN101620050B (zh) 2011-03-30
US8757002B2 (en) 2014-06-24
NZ597553A (en) 2013-03-28
AU2010282133B2 (en) 2012-11-15
US20120103106A1 (en) 2012-05-03
AU2010282133A1 (en) 2012-02-02
CA2767464A1 (en) 2011-02-17
CN101620050A (zh) 2010-01-06

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