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WO2020239063A1 - Banc d'essai de simulation de route - Google Patents

Banc d'essai de simulation de route Download PDF

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Publication number
WO2020239063A1
WO2020239063A1 PCT/CN2020/093196 CN2020093196W WO2020239063A1 WO 2020239063 A1 WO2020239063 A1 WO 2020239063A1 CN 2020093196 W CN2020093196 W CN 2020093196W WO 2020239063 A1 WO2020239063 A1 WO 2020239063A1
Authority
WO
WIPO (PCT)
Prior art keywords
vertical
simulation test
test bench
road simulation
plate
Prior art date
Application number
PCT/CN2020/093196
Other languages
English (en)
Chinese (zh)
Inventor
董明明
黄华
张钰
杨军
Original Assignee
北京理工大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京理工大学 filed Critical 北京理工大学
Priority to SG11202012323RA priority Critical patent/SG11202012323RA/en
Priority to AU2020281397A priority patent/AU2020281397B2/en
Publication of WO2020239063A1 publication Critical patent/WO2020239063A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles

Definitions

  • the invention relates to the technical field of road simulation tests, in particular to a road simulation test bench.
  • the existing road simulation test bench has a certain size adjustment ability, the adjustment range is limited.
  • the maximum adjustment size of the wheelbase is generally small, and the load-bearing capacity is generally low, which cannot meet the test needs of large wheelbase and large tonnage of construction machinery vehicles. .
  • the purpose of the present invention is to provide a road simulation test bench with stable structure and flexible size, which is used to meet the needs of road simulation test of different types of chassis.
  • the present invention provides the following solutions:
  • the invention discloses a road simulation test bench, which includes:
  • a horizontal adjustment structure includes an adjustment bracket, a linear guide structure and a bearing plate, the linear guide structure is fixed on the adjustment bracket, the linear guide structure is used to support the bearing plate and make the bearing plate The board moves in a straight line, and the first end of the adjustment bracket is connected to the column support structure;
  • the connecting plate is hinged to the lower side of the linear guide structure.
  • the column support structure includes a connecting frame, a vertical plate and two columns, the upper ends of the two columns are fixedly connected by the connecting frame, and the vertical plate is fixed to the end of the connecting frame, The first end of the adjusting bracket is connected to the vertical plate, and the bearing plate is located on the plane where the axes of the two uprights are located.
  • the adjustment bracket is connected to the vertical plate through a vertical adjustment structure
  • the vertical adjustment structure includes a vertical guide rail and a sliding block
  • the vertical guide rail is fixed to the vertical direction along the vertical direction.
  • the sliding block is slidably arranged on the vertical guide rail, and the first end of the adjusting bracket is fixedly connected to the sliding block.
  • the adjusting bracket has a Z-shaped structure, including a first horizontal part, a vertical part, and a second horizontal part.
  • the first end of the second horizontal part is fixedly connected to the sliding block, and the second horizontal part
  • the second end of the section is fixedly connected to the lower end of the vertical section, the upper end of the vertical section is fixedly connected to the first end of the first horizontal section, and the connecting plate is hingedly connected to the first horizontal section.
  • the vertical plate and the horizontal adjustment structure are both two, and they are symmetrically distributed on both sides of the column support structure, and the horizontal adjustment structure includes a first horizontal adjustment structure and a second horizontal adjustment structure.
  • the linear guide structure of the first level adjustment structure is a screw nut assembly
  • the screw nut assembly includes a screw and a nut, both ends of the screw are connected to the first
  • the bearing plate of the first horizontal adjustment structure is fixedly connected with the nut.
  • the linear guide structure of the second level adjustment structure is a linear bearing assembly
  • the linear bearing assembly includes an optical shaft and a linear bearing, and both ends of the optical shaft are connected to the second On the adjustment bracket of the horizontal adjustment structure, the bearing plate of the second horizontal adjustment structure is fixedly connected with the linear bearing.
  • an end of the adjustment bracket away from the support structure of the column has a limit baffle, and the limit baffle is used to limit the displacement of the bearing plate.
  • the carrying plate is in sliding contact with the adjusting bracket.
  • the lower end of the column has a flange end surface, and the flange end surface is used for fixing to the ground by bolts.
  • the invention adjusts the position of the load-bearing plate through the linear guide structure, so that the test bench can measure the maximum wheelbase of the vehicle to be greatly improved; the invention adopts a double-pillar structure to bear the loads generated during the simulation test of the wheels on both sides, so that they can offset each other , In order to improve the total load-bearing capacity of the road simulation test bench, effectively avoid the vibration head of the test bench from being damaged by excessive bending moment, so as to more fully meet the requirements of construction machinery related vehicles, especially large chassis and large tonnage vehicles.
  • the requirements of road simulation test leaves enough space for the chassis stroke of the construction machinery vehicle during the simulation test by designing the adjusting bracket as a Z-shaped structure, and at the same time significantly improves the maximum wheelbase and wheelbase of the measurable vehicle. It can meet the test requirements of large-chassis construction machinery; the present invention can perform wheelbase unidirectional adjustment, wheelbase unidirectional adjustment and wheelbase-wheelbase bidirectional adjustment for different vehicles; the present invention adopts pure mechanical mechanism, simple structure and low cost It is easy to assemble and has strong working reliability; all parts of the invention adopt standard parts, which have good interchangeability and easy maintenance.
  • Figure 1 is a schematic diagram of the overall structure of the road simulation test bench of the present invention.
  • Figure 2 is a schematic diagram of a partial structure of one side of the road simulation test bench of the present invention.
  • Figure 3 is a partial structural diagram of the other side of the road simulation test bench of the present invention.
  • Figure 4 is a schematic diagram of the overall structure of a road simulation test bench with only one level adjustment structure installed
  • Figure 5 is a diagram of the force and moment of the adjustment bracket
  • the purpose of the present invention is to provide a road simulation test bench with stable structure and flexible size, which is used to meet the needs of road simulation test of different types of chassis.
  • this embodiment provides a road simulation test bench, which includes a column support structure 10, a level adjustment structure and a connecting plate 6.
  • the column support structure 10 is used to support the horizontal adjustment structure.
  • the horizontal adjustment structure can change the lateral size to adapt to the simulation test needs of different chassis.
  • the connecting plate 6 is used to contact the excitation structure and transfer the excitation to the horizontal adjustment structure to simulate The vibration of the chassis under different road conditions.
  • the horizontal adjustment structure includes an adjustment bracket 4, a linear guide structure and a bearing plate 5.
  • the linear guide structure is fixed on the adjustment bracket 4.
  • the linear guide structure is used to support the bearing plate 5 and move the bearing plate 5 along a straight line.
  • the end is connected to the column support structure 10.
  • the connecting plate 6 is hinged on the lower side of the linear guide structure, and can transmit vibrations in different directions.
  • the column support structure 10 When in use, the column support structure 10 is fixed on the ground or the base, the chassis of the test vehicle is fixed on the bearing plate 5, and then the excitation structure is activated so that the excitation structure transfers excitation to the connecting plate 6.
  • the position of the load-bearing plate 5 can be adjusted according to the actual size of the chassis, so that the maximum wheelbase of the vehicle that can be measured by the test bench is greatly improved, which meets the test requirements of a large chassis.
  • the lower end of the column 10-2 of this embodiment has a flange end surface, and the flange end surface is used for fixing to the ground by bolts.
  • the column support structure 10 of this embodiment includes a connecting frame 10-1, a vertical plate, and two columns 10-2.
  • the upper ends of the two columns 10-2 are fixedly connected by the connecting frame 10-1.
  • the direction plate is fixed to the end of the connecting frame 10-1
  • the first end of the adjusting bracket 4 is connected to the vertical plate
  • the bearing plate 5 is located on the plane of the axes of the two uprights 10-2.
  • the double-column structure is used to bear the force and moment caused by the extension of the lever arm. While increasing the load-bearing capacity of the test bench, it effectively avoids the vibration head of the test bench from being damaged due to excessive bending moments, so as to meet the project more comprehensively. Machinery-related vehicles, especially vehicles with large chassis and large tonnage, have requirements for road simulation tests.
  • the adjustment bracket 4 of this embodiment is connected to the vertical plate through a vertical adjustment structure.
  • the vertical adjustment structure includes a vertical rail 8 and a slider 7.
  • the vertical rail 8 is fixed in the vertical direction.
  • the seat 9 is fixed on the vertical plate, the sliding block 7 is slidably arranged on the vertical guide rail 8, and the first end of the adjusting bracket 4 is fixedly connected with the sliding block 7.
  • the adjusting bracket 4 of this embodiment is a Z-shaped structure, including a first horizontal portion, a vertical portion, and a second horizontal portion.
  • the first end of the second horizontal portion and the slider 7 The second end of the second horizontal part is fixedly connected with the lower end of the vertical part, the upper end of the vertical part is fixedly connected with the first end of the first horizontal part, and the connecting plate 6 is hinged to the lower side of the first horizontal part.
  • the adjusting bracket 4 is a truss structure, which is welded by several square steels.
  • the connecting plate 6 is hinged to the first horizontal part through a hinge 11, wherein one free end of the connecting plate 6 and the hinge 11 are fixedly connected by bolts, and the other free end of the hinge 11 is fixedly connected with the first horizontal part by bolts.
  • the free ends can rotate relatively.
  • the bearing plate 5 By sliding the slider 7 upward on the vertical guide rail 8, the bearing plate 5 can be made higher than the connecting frame 10-1, thereby avoiding the chassis and the connecting frame 10-1 from colliding with each other.
  • both the vertical plate and the horizontal adjustment structure are two, and they are symmetrically distributed on both sides of the column support structure 10.
  • the horizontal adjustment structure includes a first horizontal adjustment structure and a second horizontal adjustment structure.
  • the linear guide structure of the first level adjustment structure is a screw nut assembly
  • the linear guide structure of the second level adjustment structure is a linear bearing assembly
  • the screw nut assembly includes a screw 13 and a nut 14. The two ends of the screw 13 are connected to the adjusting bracket 4 of the first horizontal adjustment structure through the bearing seat 12, and the bearing plate 5 of the first horizontal adjustment structure is fixedly connected to the nut 14. By driving the screw 13 to rotate by the driving motor, the axial position of the nut 14 on the screw 13 can be adjusted.
  • the linear bearing assembly includes an optical shaft 1 and a linear bearing 2. Both ends of the optical shaft 1 are connected to the adjusting bracket 4 of the second horizontal adjustment structure through the optical shaft seat 3, and the carrier plate 5 of the second horizontal adjustment structure is fixed to the linear bearing 2 Connected.
  • the bearing plate 5 of this embodiment is in sliding contact with the adjusting bracket 4, so that the screw 13 only bears axial force, and the optical axis 1 For guidance only.
  • the adjusting bracket 4 of this embodiment has a limit baffle at one end away from the column support structure 10, and the limit baffle is used to limit the bearing plate 5 The displacement.
  • the force and moment equations of the adjustment bracket 4 can be obtained, and the force and moment diagram of the adjustment bracket 4 can be calculated as shown in FIG. 5. It can be seen that the reasonable selection of the connection position of the connecting plate 6 and the road simulation test bench can avoid the additional bending moment due to the increase of the force arm, thus ensuring the life of the test bench.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Road Paving Structures (AREA)
  • Bridges Or Land Bridges (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

L'invention concerne un banc d'essai de simulation de route, qui comprend une structure de support de colonne (10), une structure de réglage horizontal et une plaque de liaison (6), la structure de réglage horizontal comprenant un support de réglage (4), une structure de guidage linéaire et une plaque de support (5), la structure de guidage linéaire étant fixée sur le support de réglage (4), la structure de guidage linéaire est utilisée pour porter la plaque de support (5) et permettre à la plaque de support (5) de se déplacer linéairement, la première extrémité du support de réglage (4) est reliée à la structure de support de colonne (10), et la plaque de liaison (6) est articulée sur le côté inférieur de la structure de guidage linéaire. Le banc d'essai de simulation de route est stable en termes de structure et flexible en termes de taille, et peut s'adapter à des exigences d'essai de simulation de route de différents types de châssis.
PCT/CN2020/093196 2019-05-30 2020-05-29 Banc d'essai de simulation de route WO2020239063A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SG11202012323RA SG11202012323RA (en) 2019-05-30 2020-05-29 Road simulation test rig
AU2020281397A AU2020281397B2 (en) 2019-05-30 2020-05-29 Road simulation test rig

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910462461.3 2019-05-30
CN201910462461.3A CN110082131B (zh) 2019-05-30 2019-05-30 一种道路模拟试验台架

Publications (1)

Publication Number Publication Date
WO2020239063A1 true WO2020239063A1 (fr) 2020-12-03

Family

ID=67422658

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/093196 WO2020239063A1 (fr) 2019-05-30 2020-05-29 Banc d'essai de simulation de route

Country Status (4)

Country Link
CN (1) CN110082131B (fr)
AU (1) AU2020281397B2 (fr)
SG (1) SG11202012323RA (fr)
WO (1) WO2020239063A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114166536A (zh) * 2021-11-09 2022-03-11 南方电网科学研究院有限责任公司 一种电缆沟盖板路面模拟装置
CN115070650A (zh) * 2022-08-02 2022-09-20 中国铁道科学研究院集团有限公司标准计量研究所 一种第三轨安装用夹持工装
CN116183238A (zh) * 2022-12-19 2023-05-30 中国人民解放军陆军工程大学 一种装备试验平台及其试验系统
CN116625652A (zh) * 2023-07-21 2023-08-22 武汉斯优光电技术有限公司 一种激光器成品检测设备
CN117871007A (zh) * 2024-03-12 2024-04-12 山东汇泉厨业有限公司 一种商用冷柜性能测试装置
CN119618707A (zh) * 2025-02-12 2025-03-14 云南荣鼎建设工程检测技术有限公司 一种桥梁承载力自动化监测系统及方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110082131B (zh) * 2019-05-30 2020-06-19 北京理工大学 一种道路模拟试验台架
CN114136659B (zh) * 2021-12-02 2022-10-14 北京理工大学 一种道路模拟装置及试验方法

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CN110082131A (zh) * 2019-05-30 2019-08-02 北京理工大学 一种道路模拟试验台架

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DE3007362A1 (de) * 1979-02-23 1980-09-18 Mts System Corp Flachbandreifentestmaschine
JP2011163938A (ja) * 2010-02-10 2011-08-25 A & D Co Ltd ロードシミュレータ
CN103189728A (zh) * 2010-05-19 2013-07-03 伊利诺斯工具制品有限公司 道路模拟测试台
GB2494712A (en) * 2011-09-19 2013-03-20 Gm Global Tech Operations Inc Test rig and method for testing a subsystem of a vehicle
CN103512757A (zh) * 2013-09-26 2014-01-15 浙江吉利控股集团有限公司 道路模拟试验台
CN203551295U (zh) * 2013-11-05 2014-04-16 东风商用车有限公司 双前桥转向角试验台自适应位置调整装置
CN203719860U (zh) * 2014-01-21 2014-07-16 北京汽车新能源汽车有限公司 一种用于电动汽车的整车振动测试系统
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CN106289817A (zh) * 2016-09-12 2017-01-04 北京理工大学 一种轮毂电机车辆道路模拟试验台
CN106996873A (zh) * 2017-03-16 2017-08-01 中国汽车工程研究院股份有限公司 一种重型车车架道路模拟试验装置
CN110082131A (zh) * 2019-05-30 2019-08-02 北京理工大学 一种道路模拟试验台架

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114166536A (zh) * 2021-11-09 2022-03-11 南方电网科学研究院有限责任公司 一种电缆沟盖板路面模拟装置
CN115070650A (zh) * 2022-08-02 2022-09-20 中国铁道科学研究院集团有限公司标准计量研究所 一种第三轨安装用夹持工装
CN115070650B (zh) * 2022-08-02 2023-10-20 中国铁道科学研究院集团有限公司标准计量研究所 一种第三轨安装用夹持工装
CN116183238A (zh) * 2022-12-19 2023-05-30 中国人民解放军陆军工程大学 一种装备试验平台及其试验系统
CN116183238B (zh) * 2022-12-19 2025-07-08 中国人民解放军陆军工程大学 一种装备试验平台及其试验系统
CN116625652A (zh) * 2023-07-21 2023-08-22 武汉斯优光电技术有限公司 一种激光器成品检测设备
CN116625652B (zh) * 2023-07-21 2023-10-10 武汉斯优光电技术有限公司 一种激光器成品检测设备
CN117871007A (zh) * 2024-03-12 2024-04-12 山东汇泉厨业有限公司 一种商用冷柜性能测试装置
CN117871007B (zh) * 2024-03-12 2024-05-10 山东汇泉厨业有限公司 一种商用冷柜性能测试装置
CN119618707A (zh) * 2025-02-12 2025-03-14 云南荣鼎建设工程检测技术有限公司 一种桥梁承载力自动化监测系统及方法

Also Published As

Publication number Publication date
CN110082131B (zh) 2020-06-19
SG11202012323RA (en) 2021-01-28
CN110082131A (zh) 2019-08-02
AU2020281397A1 (en) 2021-01-07
AU2020281397B2 (en) 2022-03-03

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