CN109357836A - A kind of vehicle-bridge system wind tunnel test Vehicular brake device and preparation method thereof - Google Patents
A kind of vehicle-bridge system wind tunnel test Vehicular brake device and preparation method thereof Download PDFInfo
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- CN109357836A CN109357836A CN201811273997.2A CN201811273997A CN109357836A CN 109357836 A CN109357836 A CN 109357836A CN 201811273997 A CN201811273997 A CN 201811273997A CN 109357836 A CN109357836 A CN 109357836A
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- vehicle
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- iron block
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
- G01M9/04—Details
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- 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
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- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention discloses a kind of vehicle-bridge system wind tunnel test Vehicular brake device, which includes bridge, guide rail, bridge end idler wheel, connecting rope, connection buckle, test vehicle, traction pedestal, iron block, magnet, force balance, magnet fixed plate, test section, braking section, vehicle idler wheel；Bridge is divided into test section and braking section, it draws pedestal and suspension button is set in the compartment lower part of first segment and final section, iron block is installed by suspension button, rectangular magnet fixed plate is arranged in bridge braking section, magnet fixed plate is located among guide rail, rectangular magnet is placed in magnet fixed plate, the vehicle idler wheel and guide rail of the traction pedestal roll and cooperate.By the vehicle-bridge system wind tunnel test Vehicular brake device, effectively the test vehicle moved in vehicle-bridge system can be braked.
Description
Technical field
The invention belongs to technical field of civil engineering more particularly to a kind of vehicle-bridge system wind tunnel test Vehicular brake device and
Its production method.
Background technique
Vehicle-bridge system wind tunnel test in the case of vehicle movement be obtain situation of movement under vehicle-bridge system aerodynamic characteristic most
Effectively, most straightforward approach.In the vehicle-bridge system wind tunnel test under situation of movement, after vehicle movement is got up, it is required to carry out
Braking easily causes test measurement even force balance damage if braking effect is bad.
Heap was mostly used to set the cushions such as sponge or braked in the way of gravitional force etc. in the past.Former braking side
Method is to collide cushion using head vehicle to realize braking, the bad control of braking effect, and need to carry out a large amount of debugging efforts；Afterwards
A kind of mode of braking needs the vertical ring-shaped guide rail of different height for the vehicle braking under friction speed, and device is huge and right
Place space requirement is high.Based on this, it is necessary to design a kind of effect it is good, it is adaptable and to site condition without particular/special requirement
Vehicle-bridge system wind tunnel test Vehicular brake device.
Summary of the invention
Goal of the invention: it in view of the above problems, the present invention provides a kind of vehicle-bridge system wind tunnel test Vehicular brake device, relies on
Magnet realizes vehicle deceleration to the attraction of test vehicle pedestal.
Technical solution: to achieve the purpose of the present invention, the technical scheme adopted by the invention is that: a kind of vehicle-bridge system wind-tunnel
Test vehicle brake apparatus, including bridge 1, guide rail 2, bridge end idler wheel 3, connecting rope 4, connection buckle 5, test vehicle 6, traction bottom
Seat 7, iron block 8, magnet 9, force balance 10, magnet fixed plate 11, test section 12, braking section 13, vehicle idler wheel 14, suspension button
15, iron block support stick 16；Bridge 1 divides for test section 12 and braking section 13, draws pedestal 7 in the compartment of first segment and final section
Suspension button 15 is arranged in lower part, installs iron block 8 by suspension button 15, rectangular magnet fixed plate 11, magnetic is arranged in bridge braking section 13
Ferropexy plate 11 is located among guide rail 2, and rectangular magnet 9, the vehicle rolling of the traction pedestal 7 are placed in magnet fixed plate 11
Wheel 14 is rolled with guide rail 2 to be cooperated, and the rear end of traction pedestal 7 is equipped with connection buckle 5, and test vehicle 6 is connected by force balance 10
Onto traction pedestal 7,4 one end of connecting rope is connected with the connection buckle 5 on traction pedestal 7, and 4 other end of connecting rope is wrapped in bridge end
On idler wheel 3, bridge end idler wheel 3 is fixed on the end of bridge 1.
As a preferred solution of the present invention, 8 front/rear end of iron block respectively welds an iron block support stick 16, two sides iron
Block support stick 16 rides on suspension button 15, and iron block 8 keeps balance by suspension button 15.
As a preferred solution of the present invention, the magnet fixed plate 11 is mounted on model bridge 1, with left and right rail 2
Between clearance distance be 3~5cm.
As a preferred solution of the present invention, the upper surface of the magnet 9 is higher than the upper surface of magnet fixed plate 11.
The production method of vehicle-bridge system wind tunnel test Vehicular brake device of the present invention, includes the following steps:
(A) production traction pedestal 7, connection buckle 5 and suspension button 15 pass through plastic forming with traction pedestal 7 and connect, and connect
Button 5 is set to the rear ends of traction pedestal, and the traction pedestal 7 can install idler wheel 14, in its first segment and final section
Suspension button (15) are arranged in compartment lower part；
(B) iron block 8 is made, the iron block includes intermediate cuboid iron block main body, which can be long 50mm, wide
The cylindrical body iron block that 35mm, high 8mm and its front end face and rear end face stretch out, the cylinder iron block can be long 8mm, diameter of section
4mm, convenient for suspension；
(C) weight for calculating traction pedestal 7 and test vehicle 6, measures the length of 6 vehicle body of test vehicle, and according to test
Requirement, determine the initial position of braking section 13, under normal circumstances 12 rear end of initial position distance test section of braking section 13
The distance of point is the length of a test automobile body；
(D) production meets the magnet 9 of brake request, and the upper surface of magnet 9 is square, and side length is 4~6cm, and in vehicle
It takes turns and magnet fixed plate 11 is set among guide rail 2, magnet fixed plate 11 is mounted on model bridge 1, and the upper surface of magnet 9 is higher than
The upper surface of magnet fixed plate 11, and 8 lower end surface of special iron block that the upper surface of magnet 9 needs and suspended on is in same horizontal line
On, the area of top surface is not less than the area of 8 lower surface of iron block.
Preferably, the clearance distance between magnet fixed plate (11) and left and right rail (2) is 3~5cm.
The working principle of the invention: present inventive concept is novel, dexterously utilizes magnet braking principle, when traction pedestal 7 is transported
When moving to predetermined position, magnet 9 starts the attraction of vehicle-mounted iron block to play braking action, since magnet 9 and guide rail 2 have one
Fixed spacing, while the upper surface of magnet 9 and 8 lower end surface of special iron block that suspended on are in the same horizontal line, so that the braking
Device neither influences to test the advance of vehicle, and trolley can be made to brake by the attraction of magnet 9；In addition, test vehicle 6
The traction pedestal connection buckle 5 of tail portion is connected with connecting rope 4, it is possible to prevente effectively from test vehicle 6 is because magnetic force is insufficient and high-speed motion
Caused overturning.
The utility model has the advantages that compared with prior art, technical solution of the present invention has following advantageous effects:
The principle of device is simple, practical, good braking effect, can be widely applied to one bridge of vehicle under vehicle situation of movement
System wind tunnel test vehicle braking.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is bridge test section and braking section position view of the invention；
Fig. 3 is magnet mounting structure top view of the invention；
Fig. 4 is magnet mounting structure lateral sectional view of the invention；
Fig. 5 is vehicle headstock top view of the invention；
Fig. 6 is that special iron block of the invention hangs schematic diagram；
Fig. 7 is that special iron block of the invention hangs side view；
Fig. 8 is special iron block and its support stick connection schematic diagram of the invention.
Each label in figure are as follows: 1- bridge, 2- guide rail, 3- bridge end idler wheel, 4- connecting rope, 5- connection buckle, 6- test vehicle,
7- draws pedestal, 8- iron block, 9- magnet, 10- force balance, 11- magnet fixed plate, 12- test section, 13- braking section, 14- vehicle
Idler wheel, 15- suspension button, 16- iron block support stick.
Specific embodiment
With reference to the accompanying drawings and examples, the invention will be further described, but the content of present invention is not limited to the model
It encloses.
Embodiment 1: as shown in figures 1-8, a kind of vehicle-bridge system wind tunnel test Vehicular brake device disclosed by the invention, including
Bridge 1, bridge end idler wheel 3, connecting rope 4, connection buckle 5, test vehicle 6, traction pedestal 7, special iron block 8, magnet 9, is surveyed guide rail 2
Power balance 10, magnet fixed plate 11, test section 12, braking section 13, vehicle idler wheel 14, suspension button 15, iron block support stick 16；Bridge
1 point is test section 12 and braking section 13, and suspension button 15 is arranged in the compartment lower part of first segment and final section in traction pedestal 7, is led to
It crosses suspension button 15 and special iron block 8 is installed, rectangular magnet fixed plate 11 is arranged in bridge braking section 13, and magnet fixed plate 11, which is located at, to be led
Among rail 2, rectangular magnet 9 is placed in magnet fixed plate 11, vehicle idler wheel 14 and the rolling of guide rail 2 of the traction pedestal 7 are matched
It closes, the rear end of traction pedestal 7 is equipped with connection buckle 5, and test vehicle 6 is connected on traction pedestal 7 by force balance 10, connection
Restrict 4 one end with draw pedestal 7 on connection buckle 5 be connected, 4 other end of connecting rope is wrapped on bridge end idler wheel 3, bridge end idler wheel 3 consolidate
It is scheduled on the end of bridge 1.8 front/rear end of special iron block respectively welds an iron block support stick 16, two sides iron block support stick
16 ride on suspension button 15, and special iron block 8 keeps balance by suspension button 15.
8 front/rear end of iron block respectively welds an iron block support stick 16, and two sides iron block support stick 16 rides over suspension button
On 15, iron block 8 keeps balance by suspension button 15.
The magnet fixed plate 11 is mounted on model bridge 1, and the clearance distance between left and right rail 2 is 3~5cm.
The upper surface of the magnet 9 is higher than the upper surface of magnet fixed plate 11.
The production method of vehicle-bridge system wind tunnel test Vehicular brake device of the present invention, includes the following steps:
(A) production traction pedestal 7, connection buckle 5 and suspension button 15 pass through plastic forming with traction pedestal 7 and connect, and connect
Button 5 is set to the rear end of traction pedestal, and the traction pedestal 7 installs idler wheel 14, in the compartment of its first segment and final section
Suspension button (15) are arranged in lower part；
(B) special iron block 8 is made, the iron block includes intermediate cuboid iron block main body, and size can be long 50mm, wide
The cylindrical body iron block that 35mm, high 8mm and its front end face and rear end face stretch out, size can be long 8mm, diameter of section 4mm, just
In suspension；
(C) weight for calculating traction pedestal 7 and test vehicle 6, measures the length of 6 vehicle body of test vehicle, and according to test
Requirement, determine the initial position of braking section 13, under normal circumstances 12 rear end of initial position distance test section of braking section 13
The distance of point is the length of a test automobile body；
(D) production meets the magnet 9 of brake request, and the upper surface of magnet 9 is square, and side length is 4~6cm, and in vehicle
It takes turns and magnet fixed plate 11 is set among guide rail 2, magnet fixed plate 11 is mounted on model bridge 1, and the upper surface of magnet 9 is higher than
The upper surface of magnet fixed plate 11, and 8 lower end surface of iron block that the upper surface of magnet 9 needs and suspended on is in the same horizontal line,
The area of top surface is not less than the area of 8 lower surface of iron block.
Wherein, the clearance distance between magnet fixed plate 11 and left and right rail 2 is 3~5cm.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (7)
1. a kind of vehicle-bridge system wind tunnel test Vehicular brake device, which is characterized in that the device include bridge (1), guide rail (2),
Bridge end idler wheel (3), connecting rope (4), connection buckle (5), test vehicle (6), traction pedestal (7), iron block (8), magnet (9), dynamometry
Balance (10), magnet fixed plate (11), test section (12), braking section (13), vehicle idler wheel (14), suspension button (15), iron block branch
It supports stick (16)；Bridge (1) is divided into test section (12) and braking section (13), vehicle of traction pedestal (7) in first segment and final section
Suspension button (15) are arranged in compartment lower part, install iron block (8) by suspension button (15), it is solid that rectangular magnet is arranged in bridge braking section (13)
Fixed board (11), magnet fixed plate (11) are located among guide rail (2), and rectangular magnet (9) is placed in magnet fixed plate (11), described
The vehicle idler wheel (14) and guide rail (2) for drawing pedestal (7), which roll, to be cooperated, and the rear end of traction pedestal (7) is equipped with connection buckle (5),
Test vehicle (6) is connected in traction pedestal (7) by force balance (10), on connecting rope (4) one end and traction pedestal (7)
Connection buckle (5) is connected, and connecting rope (4) other end is wrapped on bridge end idler wheel (3), and bridge end idler wheel (3) is fixed on the end of bridge (1)
Portion.
2. a kind of vehicle-bridge system wind tunnel test Vehicular brake device according to claim 1, which is characterized in that the iron
Block (8) front/rear end respectively welds an iron block support stick (16), and two sides iron block support stick (16) rides on suspension button (15), iron block
(8) balance is kept by suspension button (15).
3. a kind of vehicle-bridge system wind tunnel test Vehicular brake device according to claim 1, which is characterized in that the magnet
Fixed plate (11) is mounted on bridge (1), and the clearance distance between left and right rail (2) is 3~5cm.
4. a kind of vehicle-bridge system wind tunnel test Vehicular brake device according to claim 1, the upper surface of the magnet (9)
Higher than the upper surface of magnet fixed plate (11).
5. a kind of a kind of production method of vehicle-bridge system wind tunnel test Vehicular brake device as described in claim 1, feature
It is, this method comprises the following steps:
(A) production traction pedestal (7), connection buckle (5) and suspension button (15) pass through plastic forming with traction pedestal (7) and connect,
Connection buckle (5) is set to the rear end of traction pedestal (7), and the traction pedestal (7) installs idler wheel (14), in its first segment and most
Suspension button (15) are arranged in the compartment lower part of later section；
(B) iron block (8) are made, the iron block includes the iron that intermediate cuboid iron block main body and its front end face and rear end face stretch out
Block support stick (16)；
(C) weight for calculating traction pedestal (7) and test vehicle (6), measures the length of test vehicle (6) vehicle body, and according to survey
The initial position of braking section (13) is determined in the requirement of examination；
(D) production meets the magnet (9) of brake request, and magnet fixed plate (11) are arranged among wheel guide rail (2), and magnet is solid
Rectangular magnet (9) is placed in fixed board (11), magnet fixed plate (11) is mounted on bridge (1), and the upper surface of magnet (9) is higher than
The upper surface of magnet fixed plate (11), and the upper surface of magnet (9) and iron block (8) lower end surface that suspended on are in same horizontal line
On, the area of top surface is not less than the area of iron block (8) lower surface.
6. a kind of production method of vehicle-bridge system wind tunnel test Vehicular brake device according to claim 5, feature exist
In the clearance distance between magnet fixed plate (11) and left and right rail (2) is 3~5cm.
7. a kind of production method of vehicle-bridge system wind tunnel test Vehicular brake device according to claim 5, feature exist
In the distance of initial position distance test section (12) aft terminal of the braking section (13) is the length of a test automobile body
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811273997.2A CN109357836A (en) | 2018-10-30 | 2018-10-30 | A kind of vehicle-bridge system wind tunnel test Vehicular brake device and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811273997.2A CN109357836A (en) | 2018-10-30 | 2018-10-30 | A kind of vehicle-bridge system wind tunnel test Vehicular brake device and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109357836A true CN109357836A (en) | 2019-02-19 |
Family
ID=65347387
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811273997.2A Pending CN109357836A (en) | 2018-10-30 | 2018-10-30 | A kind of vehicle-bridge system wind tunnel test Vehicular brake device and preparation method thereof |
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| CN (1) | CN109357836A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108436A (en) * | 2019-03-22 | 2019-08-09 | 上海渤元信息科技有限公司 | A kind of automobile frame aerodynamics pilot system and test method |
| CN115638951A (en) * | 2022-12-05 | 2023-01-24 | 中国市政工程西南设计研究总院有限公司 | Full-freedom-degree mobile wind tunnel test device for vehicle on bridge |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010038910A2 (en) * | 2008-10-02 | 2010-04-08 | Sumitomo Metal Industries, Ltd. | Eddy current rail brake |
| CN101968399A (en) * | 2010-10-18 | 2011-02-09 | 西南交通大学 | Wind tunnel testing system for vehicle and bridge models |
| CN102967474A (en) * | 2012-11-05 | 2013-03-13 | 中国科学院力学研究所 | High speed train model experiment platform |
| CN104215423A (en) * | 2014-07-02 | 2014-12-17 | 李小珍 | Travel control based movement vehicle-bridge system wind tunnel test vehicle braking device |
| CN106596121A (en) * | 2016-08-24 | 2017-04-26 | 襄阳达安汽车检测中心 | Simulation apparatus and simulation method for AEBS test |
-
2018
- 2018-10-30 CN CN201811273997.2A patent/CN109357836A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010038910A2 (en) * | 2008-10-02 | 2010-04-08 | Sumitomo Metal Industries, Ltd. | Eddy current rail brake |
| CN101968399A (en) * | 2010-10-18 | 2011-02-09 | 西南交通大学 | Wind tunnel testing system for vehicle and bridge models |
| CN102967474A (en) * | 2012-11-05 | 2013-03-13 | 中国科学院力学研究所 | High speed train model experiment platform |
| CN104215423A (en) * | 2014-07-02 | 2014-12-17 | 李小珍 | Travel control based movement vehicle-bridge system wind tunnel test vehicle braking device |
| CN106596121A (en) * | 2016-08-24 | 2017-04-26 | 襄阳达安汽车检测中心 | Simulation apparatus and simulation method for AEBS test |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108436A (en) * | 2019-03-22 | 2019-08-09 | 上海渤元信息科技有限公司 | A kind of automobile frame aerodynamics pilot system and test method |
| CN110108436B (en) * | 2019-03-22 | 2021-01-19 | 上海渤元信息科技有限公司 | Aerodynamic test system and test method for automobile frame |
| CN115638951A (en) * | 2022-12-05 | 2023-01-24 | 中国市政工程西南设计研究总院有限公司 | Full-freedom-degree mobile wind tunnel test device for vehicle on bridge |
| CN115638951B (en) * | 2022-12-05 | 2023-03-10 | 中国市政工程西南设计研究总院有限公司 | Full-freedom-degree moving wind tunnel test device for vehicle on bridge |
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Application publication date: 20190219 |
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