CN105784387B - Accident vehicle brake efficiency detection means - Google Patents
Accident vehicle brake efficiency detection means Download PDFInfo
- Publication number
- CN105784387B CN105784387B CN201610330201.7A CN201610330201A CN105784387B CN 105784387 B CN105784387 B CN 105784387B CN 201610330201 A CN201610330201 A CN 201610330201A CN 105784387 B CN105784387 B CN 105784387B
- Authority
- CN
- China
- Prior art keywords
- claw
- chuck
- rolling bearing
- rod member
- accident vehicle
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/28—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for testing brakes
- G01L5/282—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for testing brakes the vehicle wheels cooperating with rotatable rolls
Abstract
Accident vehicle brake efficiency detection means of the present invention, belong to automobile brake perfrmance detection device technical field, including mechanical part and electric control part, wherein mechanical part includes base, support meanss, motor, decelerator, buffer unit, rigid shaft, claw chuck assembly, lowering or hoisting gear, disc type torque sensor and weighing sensor；Electric control part includes computer, single-chip microcomputer, detection instruction device and printer.Claw chuck assembly and torque sensor inner rotatable portion pivoting, the power proportional to brake force that torque sensor transmits claw rod member are transformed into electric signal and are transported to single-chip microcomputer.The present invention is easy to dismount, easy to carry, simple to operate, can be to accident vehicle Direct Test brake efficiency at the scene, it is easy to accomplish, so as to avoid, because accident vehicle is hauled to measuring station, the problem of causing to lose time, substantially increasing detection efficiency.
Description
Technical field
The invention belongs to automobile brake perfrmance detection device technical field, especially relates to the inspection of accident vehicle brake efficiency
Survey device.
Background technology
At present both at home and abroad detection brake efficiency major way have roller brake tester, Flat plate type brake experimental bench,
Fifth wheel instrument is tested and road test experiment.
The inspection body of automobile brake perfrmance technology uses roller brake tester and flat Braking Test System more, and
And indoor detection can only be carried out in measuring station or Automobile Service workshop, equipment price is expensive and has significant limitations.And fifth wheel instrument
Although experiment and road test are tested in outdoor detection, specific experimental site and equipment are needed, and to the mill of automobile tire
Damage larger.Therefore, the accident vehicle that they are not all suitable for travelling is in outdoor carry out Site Detection.
Therefore being needed badly among prior art wants a kind of new technical scheme to solve this problem.
The content of the invention
The technical problems to be solved by the invention are：A kind of accident vehicle brake efficiency detection means is provided, for solving
The device of current detection brake efficiency is not suitable for the technology of the accident vehicle that can not travel in outdoor carry out Site Detection
Problem.
Accident vehicle brake efficiency detection means, including mechanical part and electric control part, it is characterized in that：Described Machinery Ministry
Point include base, support meanss, motor, decelerator, buffer unit, rigid shaft, claw chuck assembly, lowering or hoisting gear,
Disc type torque sensor and weighing sensor,
The claw chuck assembly includes rolling bearing I, standing screw, rolling bearing II, tensioning spring, rear claw card
Disk, claw rod member, preceding claw chuck and friction facing, one end of the claw rod member are provided with rolling bearing I, claw rod member
The other end is installed with friction facing, rolling bearing II is provided with the middle part of claw rod member, claw rod member is with rolling bearing II
For axis rotation, the quantity of claw rod member is three；The preceding claw chuck and rear claw chuck are located at rolling bearing II respectively
Both ends, and power transmission shaft is provided with the middle part of the middle part of preceding claw chuck and rear claw chuck, preceding claw chuck passes through solid
Determine to be fixedly connected with rear claw chuck after screw rod passes through rolling bearing II；One end of the tensioning spring is fixed with rear claw chuck
Connection, the other end of tensioning spring are connected to one end of the close friction facing of claw rod member；Set after described on claw chuck
There is chuck neck, rear claw chuck is connected by chuck neck with rolling bearing I, and claw rod member bottom rolling bearing I is in chuck
Moved freely in neck, rolling bearing I is moved from sipes to narrow slot under power transmission, three claw rod members is more grabbed more with tire
Tightly, until vehicle wheel rotation；The preceding claw chuck is provided with rubber blanket on the one side away from rear claw chuck；
The buffer unit includes shock-absorbing spring, damper disk, spline and clutch plate, and the middle part of the damper disk is set
There is spline, the quantity of damper disk is two, and two damper disks are arranged symmetrically in the both sides of clutch plate, and two damper disks are equal
It is connected with clutch plate by shock-absorbing spring, is fixedly connected between two damper disks by bolt and nut；Set on the clutch plate
It is equipped with the through hole I of installation shock-absorbing spring and the through hole II of installation bolt nut；The quantity of the shock-absorbing spring is four；
The lowering or hoisting gear is located at the side of base and lowering or hoisting gear is adjacent with claw chuck assembly, lowering or hoisting gear and vapour
The axis connection of car half；For tire between three claw rod members with friction facing, tire is adjacent with rubber blanket；On the base
Adjusting nut is provided with, the top of base is installed with slide rail；The bottom of the support meanss is connected by slide rail with base,
The top of support meanss is installed with motor and disc type torque sensor；The motor and decelerator are coaxially connected；Institute
It is coaxially connected with rigid shaft to state decelerator；The rigid shaft is connected by spline with buffer unit；The disc type is turned round
Square sensor includes intermediate rotating member and fixing shell, and there are bore screw, intermediate rotating member in the both ends of intermediate rotating member
One end be connected by bolt and nut with buffer unit, the other end of intermediate rotating member is total with claw chuck by bolt and nut
Into transmission axis connection, fixing shell is fixedly connected with the top of support meanss；The weighing sensor is fixedly mounted on base
Inside and weighing sensor be located at close to the side of lowering or hoisting gear, be provided with electronic display on weighing sensor；
Described electric control part includes computer, single-chip microcomputer, detection instruction device and printer, and the single-chip microcomputer includes passing
Defeated conditioning module, amplification filtration module, A/D modular converters, information acquisition module and actuator control unit；The computer with
Single chip communication connects；The single-chip microcomputer by wire respectively with motor, disc type torque sensor, detection instruction device and
Printer connects, and single-chip microcomputer communicates to connect with weighing sensor.
The height of the adjusting nut adjusting base, adjusting nut quantity is four, and is evenly distributed on the four of base
Individual angle.
The support meanss are height adjustable type support meanss.
The motor is by the storage battery power supply on automobile.
The weighing sensor is wired weighing sensor or bluetooth-type weighing sensor.
By above-mentioned design, the present invention can bring following beneficial effect：
The present invention is easy to dismount, easy to carry, simple to operate, can to accident vehicle Direct Test brake efficiency at the scene,
It is easily achieved, so as to avoid because accident vehicle is hauled to measuring station, the problem of causing to lose time, substantially increases detection effect
Rate.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated：
Fig. 1 is the structural representation of accident vehicle brake efficiency detection means of the present invention.
Fig. 2 is the structural representation of the claw chuck assembly of accident vehicle brake efficiency detection means of the present invention.
Fig. 3 is the structural representation of the buffer unit of accident vehicle brake efficiency detection means of the present invention.
Fig. 4 is the structural representation of the damper disk of accident vehicle brake efficiency detection means of the present invention.
Fig. 5 is the structural representation of the clutch plate of accident vehicle brake efficiency detection means of the present invention.
Fig. 6 is the structured flowchart of the electric control part of accident vehicle brake efficiency detection means of the present invention.
1 it is base in figure, 2 be adjusting nut, 3 be support meanss, 4 be motor, 5 be decelerator, 6 is buffer unit, 7
For rigid shaft, 8 be bolt and nut, 9 be rolling bearing I, 10 be standing screw, 11 be rolling bearing II, 12 be tensioning bullet
Spring, 13 be rear claw chuck, 14 be claw rod member, 15 be preceding claw chuck, 16 be friction facing, 17 be tire, 18 be rubber
Pad, 19 be automobile axle shaft, 20 be lowering or hoisting gear, 21 be weighing sensor, 22 be disc type torque sensor, 23 be chuck neck,
24 it is shock-absorbing spring, 25 be front and rear damper disk, 26 be spline, 27 be clutch plate, 28 be slide rail, 2701 is that through hole I, 2702 is
Through hole II.
Embodiment
Accident vehicle brake efficiency detection means, including mechanical part and electric control part, it is characterized in that：Described Machinery Ministry
Point, as shown in figure 1, including base 1, support meanss 3, motor 4, decelerator 5, buffer unit 6, rigid shaft 7, claw card
Disc assembly, lowering or hoisting gear 20, disc type torque sensor 22 and weighing sensor 21.
The claw chuck assembly include rolling bearing I 9, standing screw 10, rolling bearing II 11, tensioning spring 12, after
Claw chuck 13, claw rod member 14, preceding claw chuck 15 and friction facing 16, one end of the claw rod member 14 are provided with rolling
Bearing I 9, the other end of claw rod member 14 are installed with friction facing 16, and the middle part of claw rod member 14 is provided with rolling bearing
II 11, claw rod member 14 is axis rotation with rolling bearing II 11, and the quantity of claw rod member 14 is three, and three claw bars
Part 14 is uniformly distributed on rear claw chuck 13；The preceding claw chuck 15 and rear claw chuck 13 are located at rolling bearing II respectively
11 both ends, and the middle part of preceding claw chuck 15 and the middle part of rear claw chuck 13 are provided with power transmission shaft, preceding claw chuck
15 rolling bearing II 11 is passed through by standing screw 10 after be fixedly connected with rear claw chuck 13；One end of the tensioning spring 12
It is fixedly connected with rear claw chuck 13, the other end of tensioning spring 12 is connected to the one of the close friction facing 16 of claw rod member 14
End；Chuck neck 23 is provided with claw chuck 13 after described, rear claw chuck 13 passes through chuck neck 23 and rolling bearing I 9
Connection；The preceding claw chuck 15 is provided with rubber blanket 18 on the one side away from rear claw chuck 13；
The buffer unit 6 is as shown in figure 3, including shock-absorbing spring 24, damper disk 25, spline 26 and clutch plate 27, institute
The middle part for stating damper disk 25 is provided with spline 26, and the quantity of damper disk 25 is two, and two damper disks 25 are arranged symmetrically
In the both sides of clutch plate 27, two damper disks 25 are connected by shock-absorbing spring 24 with clutch plate 27, two damper disks 25
Between be fixedly connected by bolt and nut 8；Through hole I 2701 and the installation of installation shock-absorbing spring 24 are provided with the clutch plate 27
The through hole II 2702 of bolt and nut 8；The quantity of the shock-absorbing spring 24 is four；
The lowering or hoisting gear 20 is located at the side of base 1 and lowering or hoisting gear 20 is adjacent with claw chuck assembly, lifting dress
20 are put to be connected with automobile axle shaft 19；Tire 17 is between three claw rod members 14 with friction facing 16, tire 17 and rubber
Rubber cushion 18 is adjacent；Adjusting nut 2 is provided with the base 1, the top of base 1 is installed with slide rail 28；The support dress
Put 3 bottom to be connected with base 1 by slide rail 28, the top of support meanss 3 is installed with motor 4 and disc type torque sensing
Device 22；The motor 4 and decelerator 5 are coaxially connected；The decelerator 5 and rigid shaft 7 are coaxially connected；The rigidity passes
Moving axis 7 is connected by spline 26 with buffer unit 6；The disc type torque sensor 22 includes intermediate rotating member and fixed outer
There is bore screw at shell, the both ends of intermediate rotating member, and one end of intermediate rotating member is connected by bolt and nut 8 and buffer unit 6
Connect, the other end of intermediate rotating member is by the transmission axis connection of bolt and nut 8 and claw chuck assembly, and fixing shell is with supporting
The top of device 3 is fixedly connected；The weighing sensor 21 is fixedly mounted on the inside of base 1 and weighing sensor 21 is located at
Close to the side of lowering or hoisting gear 20, electronic display is provided with weighing sensor 21；
Described electric control part is as shown in fig. 6, including computer, single-chip microcomputer, detection instruction device and printer, the list
Piece machine includes transmission conditioning module, amplification filtration module, A/D modular converters, information acquisition module and actuator control unit；Institute
Computer is stated to be connected with single chip communication；The single-chip microcomputer by wire respectively with motor 4, disc type torque sensor 22, inspection
Survey instruction device and printer connection, single-chip microcomputer communicate to connect with weighing sensor 21.
The height of the adjusting base 1 of adjusting nut 2, the quantity of adjusting nut 2 is four, and is evenly distributed on base 1
Four angles.
The support meanss 3 are height adjustable type support meanss, and can pass through the slide rail 28 or so in lower base 1
It is mobile, it is fixed after adjusting, it is very easy to use.
The motor 4 is by the storage battery power supply on accident automobile or other automobiles.
The weighing sensor 21 is wired weighing sensor or bluetooth-type weighing sensor.
The chuck neck 23 is the inner ring of rolling bearing 9 and claw rod member 14 in groove by width to narrow gradual change shape neck
Bottom, which is entangled, to be fixedly connected, and realizes that optional position positions in chuck neck 23.
The weighing sensor 21 is placed in the axis edge of base 1, and measurement single wheel places weights above.
The buffer unit 6 when power transmits from cushioning effect, protect torsion torque sensor 22 and claw chuck assembly.
The course of work：Lowering or hoisting gear 20 props single wheel, steps on predetermined brake pedal force, the height propped by tire 17
Degree, support meanss 3 are adjusted, the preceding claw chuck 15 with rubber blanket 18 is close to wheel, tire 17 is placed in three with rubbing
Between the claw rod member 14 for wiping liner 16, the active force of tensioning spring 12 makes claw rod member 14 slope inwardly tire 17 " grabbing " exists
Wherein.Claw chuck assembly by disc type torque sensor 22, buffer unit 6, rigid shaft 7 and decelerator 5 with it is electronic
Machine 4 is connected, and after starting motor 4, by being adjusted based on frequency-converting speed-governing control system, driving decelerator 5 operates motor 4, drives
The rear claw chuck 13 and preceding claw chuck 15 of claw chuck assembly are rotated, and friction is produced between friction facing 16 and tire 17
Power, the rolling bearing II 11 at the middle part of claw rod member 14, which is enclosed on standing screw 10, to be rotated around it, the bottom axis of rolling of claw rod member 14
Hold I 9 to move freely in chuck neck 23, rolling bearing I 9 is moved from sipes to narrow slot under power transmission, makes three claw bars
Part 14 the more is grabbed the more tight with tire 17, until vehicle wheel rotation.When tested wheel starts to rotate, claw chuck assembly passes with disc type moment of torsion
The inner rotatable portion pivoting of sensor 22, disc type torque sensor 22 transmit claw rod member 14 proportional to brake force
Power is transformed into electric signal and is transported to single-chip microcomputer.Disc type torque sensor 22 measures the size of stress and the pass of surface of tyre brake force
It is to be：The measurement stress of surface of tyre brake force=disc type torque sensor × claw chuck assembly power transmission shaft horizontal length ÷ cards
Disc assembly radius.
As shown in figure 3, electric control part is realized to described by computer serial communication technical operation actuator control unit
Motor 4 speed regulating control so that the accident vehicle vehicle wheel rotation that can not be travelled.The electricity measured from disc type torque sensor 22
Signal is sent to A/D modular converters and is converted into corresponding digital quantity, through computer after transmission conditioning module and amplification filtration module
After collection, storage and processing, testing result is shown by detection instruction device or printed by printer, typically can be system
Dynamic force-time curve and digital parameters print in the lump.Realize after the brake force of maximum such as 5000N is detected and stop automatically
The only function of motor 4, so as to reduce the power consumption of battery, it is advantageously implemented automatic detection.Pass through information gathering mould
The torque parameter at 22 each moment of torque sensor of acquisition, automatically generated data are stored in the memory in single-chip microcomputer by block.
Shifting sledge 28 withdraws from claw chuck assembly after wheel braking force measures, and slowly putting down lowering or hoisting gear 20 makes wheel
Tire 17 is placed on weighing sensor 21 and measures weight, and the weight measured can pass through the electronical display screen display on weighing sensor 21
Show, Computer display can also be transferred to by single-chip microcomputer.Lowering or hoisting gear 20 jacks up tire 17 again, withdraws from detection means, puts down
Tire 17, takes out lowering or hoisting gear 20, and detection is completed.
Claims (5)
1. accident vehicle brake efficiency detection means, including mechanical part and electric control part, it is characterized in that：Described mechanical part
Including base (1), support meanss (3), motor (4), decelerator (5), buffer unit (6), rigid shaft (7), claw card
Disc assembly, lowering or hoisting gear (20), disc type torque sensor (22) and weighing sensor (21)；
The claw chuck assembly includes rolling bearing I (9), standing screw (10), rolling bearing II (11), tensioning spring
(12), rear claw chuck (13), claw rod member (14), preceding claw chuck (15) and friction facing (16), the claw rod member
(14) one end is provided with rolling bearing I (9), and the other end of claw rod member (14) is installed with friction facing (16), claw
Be provided with rolling bearing II (11) in the middle part of rod member (14), claw rod member (14) with rolling bearing II (11) for axis rotation, pawl
The quantity of formula rod member (14) is three；The preceding claw chuck (15) and rear claw chuck (13) are located at rolling bearing II respectively
(11) both ends, and it is provided with power transmission shaft, fore paw in the middle part of the middle part of preceding claw chuck (15) and rear claw chuck (13)
Formula chuck (15) is fixedly connected with rear claw chuck (13) afterwards by standing screw (10) through rolling bearing II (11)；Described
One end of tight spring (12) is fixedly connected with rear claw chuck (13), and the other end of tensioning spring (12) is connected to claw rod member
(14) one end of close friction facing (16)；After described chuck neck (23), rear claw card are provided with claw chuck (13)
Disk (13) is connected by chuck neck (23) with rolling bearing I (9), and claw rod member (14) bottom rolling bearing I (9) is in chuck card
Moves freely in groove (23), rolling bearing I (9) is moved from sipes to narrow slot under power transmission, make three claw rod members (14) with
Tire (17) the more is grabbed the more tight, until vehicle wheel rotation；The preceding claw chuck (15) is in the one side away from rear claw chuck (13)
On be provided with rubber blanket (18)；
The buffer unit (6) includes shock-absorbing spring (24), damper disk (25), spline (26) and clutch plate (27), described to subtract
Shake and spline (26) is provided with the middle part of device disk (25), the quantity of damper disk (25) is two, and two damper disks (25) are symmetrical
The both sides of clutch plate (27) are arranged in, two damper disks (25) are connected by shock-absorbing spring (24) with clutch plate (27), and two
It is fixedly connected between individual damper disk (25) by bolt and nut (8)；Installation shock-absorbing spring is provided with the clutch plate (27)
(24) through hole I (2701) and the through hole II (2702) of installation bolt nut (8)；The quantity of the shock-absorbing spring (24) is four
It is individual；
The lowering or hoisting gear (20) is located at the side of base (1) and lowering or hoisting gear (20) is adjacent with claw chuck assembly, lifting
Device (20) is connected with automobile axle shaft (19)；Tire (17) positioned at three with friction facing (16) claw rod members (14) it
Between, tire (17) is adjacent with rubber blanket (18)；Adjusting nut (2) is provided with the base (1), the top of base (1) is fixed
Slide rail (28) is installed；The bottom of the support meanss (3) is connected by slide rail (28) with base (1), support meanss (3) it is upper
Portion is installed with motor (4) and disc type torque sensor (22)；The motor (4) and decelerator (5) are coaxially connected；Institute
State decelerator (5) and rigid shaft (7) is coaxially connected；The rigid shaft (7) passes through spline (26) and buffer unit (6)
Connection；The disc type torque sensor (22) includes intermediate rotating member and fixing shell, and there is brill at the both ends of intermediate rotating member
Hole screw thread, one end of intermediate rotating member are connected by bolt and nut (8) with buffer unit (6), intermediate rotating member it is another
End passes through the transmission axis connection of bolt and nut (8) and claw chuck assembly, and the top fixation of fixing shell and support meanss (3) connects
Connect；The weighing sensor (21) is fixedly mounted on the inside of base (1) and weighing sensor (21) is located at close to lifting dress
The side of (20) is put, weighing sensor is provided with electronic display on (21)；
Described electric control part includes computer, single-chip microcomputer, detection instruction device and printer, and the single-chip microcomputer includes transmission and adjusted
Manage module, amplification filtration module, A/D modular converters, information acquisition module and actuator control unit；The computer and monolithic
Machine communicates to connect；The single-chip microcomputer by wire respectively with motor (4), disc type torque sensor (22), detection instruction device
And printer connection, single-chip microcomputer communicate to connect with weighing sensor (21).
2. accident vehicle brake efficiency detection means according to claim 1, it is characterized in that：The adjusting nut (2) is adjusted
The height of base (1) is saved, adjusting nut (2) quantity is four, and is evenly distributed on four angles of base (1).
3. accident vehicle brake efficiency detection means according to claim 1, it is characterized in that：The support meanss (3) are
Height adjustable type support meanss.
4. accident vehicle brake efficiency detection means according to claim 1, it is characterized in that：The motor (4) is by vapour
Storage battery power supply on car.
5. accident vehicle brake efficiency detection means according to claim 1, it is characterized in that：The weighing sensor (21)
For wired weighing sensor or bluetooth-type weighing sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610330201.7A CN105784387B (en) | 2016-05-18 | 2016-05-18 | Accident vehicle brake efficiency detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610330201.7A CN105784387B (en) | 2016-05-18 | 2016-05-18 | Accident vehicle brake efficiency detection means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105784387A CN105784387A (en) | 2016-07-20 |
| CN105784387B true CN105784387B (en) | 2018-01-26 |
Family
ID=56378942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610330201.7A Expired - Fee Related CN105784387B (en) | 2016-05-18 | 2016-05-18 | Accident vehicle brake efficiency detection means |
Country Status (1)
| Country | Link |
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| CN (1) | CN105784387B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180932B (en) * | 2018-02-09 | 2018-12-18 | 浙江华港染织集团有限公司 | A kind of contamination accident emergency monitoring device |
| CN108344435A (en) * | 2018-02-09 | 2018-07-31 | 杜勉 | A kind of novel contamination accident emergency monitoring device |
| CN109605948B (en) * | 2019-01-29 | 2024-04-12 | 谢东 | Portable printer and printing system |
| CN110031144B (en) * | 2019-05-20 | 2023-11-17 | 江苏省特种设备安全监督检验研究院 | Multifunctional static braking torque testing device and testing method |
| CN110243612B (en) * | 2019-06-21 | 2021-03-12 | 武汉轻工大学 | Vehicle brake drag detection device |
| CN115901204B (en) * | 2022-11-01 | 2023-08-18 | 齐齐哈尔大学 | Elevator brake body detects tool |
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| GB380060A (en) * | 1931-06-06 | 1932-09-06 | Archibald Douglas Powell | Improvements in or relating to dynamometers for automobile brake testing machines |
| US6622550B1 (en) * | 1999-09-17 | 2003-09-23 | Mts Systems Corporation | Drum braking system for rolling wheel testing apparatus |
| CN201340317Y (en) * | 2008-12-26 | 2009-11-04 | 安徽昊方机电股份有限公司 | Torque test bed of vehicle air-conditioning electromagnetic clutch |
| CN103308238A (en) * | 2013-06-21 | 2013-09-18 | 吉林大学 | Torque controllable accident vehicle braking force detecting device |
| CN204128832U (en) * | 2014-08-29 | 2015-01-28 | 中国汽车技术研究中心 | Damaged vehicle braking performance detector |
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2016
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|---|---|---|---|---|
| GB380060A (en) * | 1931-06-06 | 1932-09-06 | Archibald Douglas Powell | Improvements in or relating to dynamometers for automobile brake testing machines |
| US6622550B1 (en) * | 1999-09-17 | 2003-09-23 | Mts Systems Corporation | Drum braking system for rolling wheel testing apparatus |
| CN201340317Y (en) * | 2008-12-26 | 2009-11-04 | 安徽昊方机电股份有限公司 | Torque test bed of vehicle air-conditioning electromagnetic clutch |
| CN103308238A (en) * | 2013-06-21 | 2013-09-18 | 吉林大学 | Torque controllable accident vehicle braking force detecting device |
| CN204128832U (en) * | 2014-08-29 | 2015-01-28 | 中国汽车技术研究中心 | Damaged vehicle braking performance detector |
Non-Patent Citations (1)
| Title |
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| 基于可控转矩的事故车辆制动力测试方法研究;王博;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》;20130915(第9期);第C035-147页 * |
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|---|---|
| CN105784387A (en) | 2016-07-20 |
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