CN109425472A - Pedal assembly spring F-S curve detection equipment - Google Patents
Pedal assembly spring F-S curve detection equipment Download PDFInfo
- Publication number
- CN109425472A CN109425472A CN201710756018.8A CN201710756018A CN109425472A CN 109425472 A CN109425472 A CN 109425472A CN 201710756018 A CN201710756018 A CN 201710756018A CN 109425472 A CN109425472 A CN 109425472A
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- China
- Prior art keywords
- pedal
- fixed
- slide unit
- mounting plate
- pedal assembly
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 238000006073 displacement reaction Methods 0.000 claims abstract description 37
- 239000003292 glue Substances 0.000 claims description 5
- 238000005259 measurement Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Control Devices (AREA)
Abstract
The table top of pedal assembly spring F-S curve detection equipment, including workbench, workbench is equipped with exemplar spatial position adjustment device and detection device, and pedal assembly is capable of fixing on exemplar spatial position adjustment device；The detection device is made of mutually independent power detection part and displacement detecting part；Power detection part is made of mounting plate, force snesor, and the pedal detachable connection on mounting plate and pedal assembly, force snesor is fixed at the center of mounting plate, the line direction of the direction of force sensor measuring power perpendicular to pedal rotation center to pedal centre；Displacement detecting part is made of mounting bracket and displacement sensor, and mounting bracket is fixed on the table top of workbench, and displacement sensor is fixed on the mounting bracket, and displacement sensor is for measuring displacement of the pedal centre between initial position and total travel position.The accuracy that the present invention detects F-S curve is relatively high, easy to operate, reduces laboratory technician's labor intensity.
Description
Technical field
The invention belongs to pedal testing equipment field, especially a kind of pedal assembly spring F-S curve detection equipment.
Background technique
With Global Auto industrial expansion and the improvement of people's living standards, it is required that the quality of production of auto parts and components
Horizontal higher and higher, my company uses three station automobile endurance test racks to carry out pedal assembly spring F-S curve experiments at present,
This equipment detection accuracy is low, and detection efficiency is low, cannot seriously reach customer requirement.Specific disadvantage is as follows:
1) three station automobile endurance test rack displacement sensors are angular transducer, it cannot be guaranteed that the displacement of measurement is in pedal
Line direction displacement of the heart from initial position to total travel position；
2) it cannot be guaranteed that the measurement direction of force snesor is to be exactly perpendicularly to rotation center and pedal centre line after exemplar installation
Direction；
3) force snesor is not attached on pedal tread when testing, and the force value that will lead to force sensor measuring is not only spring effect
Reaction force on pedal, there are also the gravity influences for the mandril that pedal is connect with sensor.
Summary of the invention
It is easy to operate that the present invention provides one kind, while can accurately detect the detection device of pedal assembly spring F-S curve.
In order to solve the above-mentioned technical problem, the technical scheme is that pedal assembly spring F-S curve detection equipment,
Including workbench, it is characterised in that: the table top of workbench is equipped with exemplar spatial position adjustment device and detection device, and pedal is total
At being capable of fixing on exemplar spatial position adjustment device；The detection device is by mutually independent power detection part and displacement detecting
Part is constituted；Power detection part is made of mounting plate, force snesor, the detachable company of pedal on mounting plate and pedal assembly
It connects, force snesor is fixed at the center of mounting plate, and the direction of force sensor measuring power is perpendicular to pedal rotation center to pedal
The line direction at center；Displacement detecting part is made of mounting bracket and displacement sensor, and mounting bracket is fixed on workbench
On table top, displacement sensor is fixed on the mounting bracket, and displacement sensor pedal centre is in initial position and total travel position
Set displacement between the two.
Above-mentioned technical proposal is further limited, the structure of the exemplar spatial position adjustment device are as follows: including support
Frame, longitudinal slide rail, longitudinal slide unit, longitudinal screw bar, horizontal slide unit, horizontal thread bar and exemplar fixed frame；Support frame is fixed on
On the table top of workbench, longitudinal slide rail is fixed on the support frame, and longitudinal slide unit is slidably connected with longitudinal slide rail, longitudinal screw bar energy
Longitudinal slide unit is driven to slide up and down, horizontal slide unit is slidably connected with longitudinal slide unit, and horizontal thread bar can drive horizontal slide unit to make
It moves horizontally, exemplar fixed frame is fixed in horizontal slide unit.Advantage: threaded rod can quickly drive slide unit mobile, and slide unit is mobile
It is self-locking by threaded rod afterwards, structure is simplified, adjustment is flexible.
Above-mentioned technical proposal is further improved, the mounting plate is equipped with tapped through hole, is equipped with and adjusts in tapped through hole
Bolt is saved, the pedal adjusted on the end of thread and pedal assembly of bolt connects；The mounting plate and the detachable company of pedal
Mode is connect as AB glue bonding.Advantage: because pedal tread is arcwall face, at the center of mounting plate with Nian Jie, root at the center of pedal tread
According to lever principle, before AB glue solidifies not yet, adjustment bolt is rotated, makes force snesor by mounting plate in pedal tread
It is rotated at the heart, that is, achievees the purpose that adjusting；The purpose that bonding way has convenient for handling, adjustment bolt, which has, quickly adjusts mesh
, the two is realized after combining adjusts flexible, general purpose.
The utility model has the advantages that 1. detection devices are made of mutually independent power detection part and displacement detecting part, this structure is real
Existing general, the flexible purpose of detection；2. the accuracy of present invention detection F-S curve is relatively high, easy to operate, laboratory technician is reduced
Labor intensity has the characteristics that easy popularization, structure is simple, short implementation cycle, cost is relatively low.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the A partial enlarged view in Fig. 1.
Specific embodiment
As depicted in figs. 1 and 2, pedal assembly spring F-S curve detection equipment, including workbench 1, the table top of workbench 1
It is equipped with exemplar spatial position adjustment device 2 and detection device 3, pedal assembly 4 is capable of fixing in exemplar spatial position adjustment device
On；The detection device is made of mutually independent power detection part and displacement detecting part；Power detection part is by mounting plate
301, force snesor 302 is constituted, and the pedal detachable connection on mounting plate and pedal assembly, detachable connection is AB glue,
Mounting plate is equipped with tapped through hole, is equipped in tapped through hole and adjusts bolt 303, adjusts on the end of thread and pedal assembly of bolt
Pedal connects, and force snesor is fixed at mounting plate center, and the direction of force sensor measuring power is perpendicular in pedal rotation
The heart is to the line direction of pedal centre；Displacement detecting part is made of mounting bracket 304 and displacement sensor 305, mounting bracket
It is fixed on the table top of workbench, displacement sensor is fixed on the mounting bracket, and displacement sensor is magnetostrictive displacement sensing
Device, displacement sensor is for measuring displacement of the pedal centre between initial position and total travel position；
As shown in Figure 1, the effect of the exemplar spatial position adjustment device is that adjustment need to measure exemplar at suitable position, tie
Structure are as follows: including support frame 201, longitudinal slide rail 202, longitudinal slide unit 203, longitudinal screw bar 204, horizontal slide unit 205, horizontal thread
Bar 206 and exemplar fixed frame 207；Support frame is fixed on the table top of workbench, and longitudinal slide rail is fixed on the support frame, longitudinal sliding
Platform is slidably connected with longitudinal slide rail, i.e., longitudinal slide rail is equipped with dovetail shaped guide rail, longitudinal slide unit is equipped with dovetail shaped sliding slot, dovetail
Shape guide rail is connected with dovetail shaped sliding slot, and the both ends of longitudinal screw bar are fixed in longitudinal slide rail by bearing, longitudinal screw bar
Longitudinal slide unit can be driven to slide up and down, i.e., longitudinal slide unit is equipped with the screw thread in threaded hole, longitudinal screw bar and longitudinal slide unit
Hole engagement, horizontal slide unit are slidably connected with longitudinal slide unit, i.e., longitudinal slide unit is equipped in lateral dovetail shaped guide rail, horizontal slide unit
It is connected equipped with dovetail shaped sliding slot, dovetail shaped guide rail with dovetail shaped sliding slot, the both ends of horizontal thread bar are fixed on cross by bearing
To on sliding rail, horizontal thread bar can drive horizontal slide unit to move horizontally, i.e., horizontal slide unit is equipped with threaded hole, horizontal thread bar
It is engaged with the threaded hole in horizontal slide unit, exemplar fixed frame is fixed in horizontal slide unit.
The longitudinal slide unit is slidably connected with longitudinal slide rail and horizontal slide unit is slidably connected with longitudinal slide unit
The F-S image is a curve, indicates that the size of spring force constantly changes with pedal displacement.
As shown in Fig. 2, being illustrated to F-S curve detection: measurement exemplar is mounted on exemplar sky according to vehicle entrucking mode
Between on position regulator, pedal is located in by theoretical initial position by exemplar spatial position adjustment device, passes through AB glue
Force snesor is viscous on a mounting board, then the mounting plate for being stained with force snesor is sticked at pedal centre by AB glue, rotation is adjusted
Whole bolt adjusts the direction of force snesor, guarantees that the power of force sensor measuring is perpendicular to pedal rotation center 5 to pedal centre
Line direction force；The magnetic tip of displacement sensor is adsorbed on pedal, absorption position is on the extended line of pedal centre
(extended line refers to the central point line between initial pedal position 6 and Final pedal position 7), displacement sensor measures size
Displacement for pedal centre in initial position and total travel position between the two.At the uniform velocity force snesor is pushed to make pedal by manpower
Maximum stroke is rotated to around pedal rotation center, then pedal is being pulled to return to initial position around pedal rotation center
Pedal arcuate displacement numerical value conversion is in line shift value by place, displacement sensor.It cannot be completely even when due to manpower applied force
Speed, while manpower applied force cannot be completely secured and not tilt relative to pedal, therefore spring assist F-S curve experiments every time
At least do 5 times or more；Displacement sensor and force snesor receive the F-S data of each position respectively in entire detection process,
By signal will corresponding F-S curve reaction on computer display screen, then select several groups that measurement data registration is high, then from
Middle one group selected in median as measurement result, maximum can guarantee in this way measurement result with it is actual always.
Claims (3)
1. pedal assembly spring F-S curve detection equipment, including workbench, it is characterised in that: the table top of workbench is equipped with sample
Part spatial position adjustment device and detection device, pedal assembly are capable of fixing on exemplar spatial position adjustment device；The detection
Device is made of mutually independent power detection part and displacement detecting part；Power detection part is made of mounting plate, force snesor,
Pedal detachable connection on mounting plate and pedal assembly, force snesor are fixed at the center of mounting plate, and force snesor is surveyed
Line direction of the direction measured one's own ability perpendicular to pedal rotation center to pedal centre；Displacement detecting part is by mounting bracket and displacement
Sensor is constituted, and mounting bracket is fixed on the table top of workbench, and displacement sensor is fixed on the mounting bracket, displacement sensor
For measuring displacement of the pedal centre between initial position and total travel position.
2. pedal assembly spring F-S curve detection equipment according to claim 1, it is characterised in that: the exemplar space bit
Set the structure of adjustment device are as follows: including support frame, longitudinal slide rail, longitudinal slide unit, longitudinal screw bar, horizontal slide unit, horizontal thread
Bar and exemplar fixed frame；Support frame is fixed on the table top of workbench, and longitudinal slide rail is fixed on the support frame, longitudinal slide unit and vertical
It being slidably connected to sliding rail, longitudinal screw bar can drive longitudinal slide unit to slide up and down, and horizontal slide unit is slidably connected with longitudinal slide unit,
Horizontal thread bar can drive horizontal slide unit to move horizontally, and exemplar fixed frame is fixed in horizontal slide unit.
3. pedal assembly spring F-S curve detection equipment according to claim 1 or claim 2, it is characterised in that: on the mounting plate
Equipped with tapped through hole, it is equipped in tapped through hole and adjusts bolt, the end of thread for adjusting bolt contacts company with the pedal on pedal assembly
It connects；The mounting plate is that AB glue is Nian Jie with pedal detachable connection mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710756018.8A CN109425472A (en) | 2017-08-29 | 2017-08-29 | Pedal assembly spring F-S curve detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710756018.8A CN109425472A (en) | 2017-08-29 | 2017-08-29 | Pedal assembly spring F-S curve detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109425472A true CN109425472A (en) | 2019-03-05 |
Family
ID=65502038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710756018.8A Pending CN109425472A (en) | 2017-08-29 | 2017-08-29 | Pedal assembly spring F-S curve detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109425472A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111985047A (en) * | 2020-07-28 | 2020-11-24 | 东风(十堰)车身部件有限责任公司 | F-S curve-based double-torsion-spring-assisted clutch pedal prediction method |
| CN113218349A (en) * | 2021-04-30 | 2021-08-06 | 安徽江淮汽车集团股份有限公司 | Sensor installation device |
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| JP2008020317A (en) * | 2006-07-12 | 2008-01-31 | Toyota Motor Corp | Evaluation system for braking device |
| KR20110095070A (en) * | 2010-02-18 | 2011-08-24 | 주식회사화신 | Sensing apparatus for pedal effort |
| CN201688966U (en) * | 2010-05-25 | 2010-12-29 | 杭州沃镭科技有限公司 | Characteristic analysis system of clutch pedal |
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| CN203672612U (en) * | 2014-01-26 | 2014-06-25 | 桂林瑞特试验机有限公司 | Locomotive spring testing machine |
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| CN205449514U (en) * | 2016-03-03 | 2016-08-10 | 重庆市炜瀚机械制造有限公司 | Automobile pedal detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111985047A (en) * | 2020-07-28 | 2020-11-24 | 东风(十堰)车身部件有限责任公司 | F-S curve-based double-torsion-spring-assisted clutch pedal prediction method |
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