CN105092200B - Car engine start shock measuring system - Google Patents
Car engine start shock measuring system Download PDFInfo
- Publication number
- CN105092200B CN105092200B CN201510553101.6A CN201510553101A CN105092200B CN 105092200 B CN105092200 B CN 105092200B CN 201510553101 A CN201510553101 A CN 201510553101A CN 105092200 B CN105092200 B CN 105092200B
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- CN
- China
- Prior art keywords
- gear ring
- engine flywheel
- measuring system
- engine
- flywheel gear
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Engines (AREA)
Abstract
The invention discloses a kind of car engine start shock measuring system, with support, support is provided with starter and engine flywheel gear ring for simulated engine starting process, starter drives engine flywheel gear ring to rotate by the engaged transmission of tooth head and gear ring, engine flywheel gear ring is provided with obliquity sensor and striking arm, obliquity sensor is rigidly connected and coaxial with the centre of gyration of engine flywheel gear ring with engine flywheel gear ring, striking arm is rigidly attached on engine flywheel gear ring, and striking arm is provided with impact head；Support base is additionally provided with the support, the support base is located at the lower section of impact head provided with two force snesors, two force snesors.The system is beneficial to the dynamic property for grasping starter starting-impact process and starter damping of shocks system, to research and develop and production provides safeguard.
Description
Technical field
The invention is related to a kind of car engine start shock measuring system, the system by multiple sensors simultaneously
The starting-impact process of automobile starter is tested, is that research or development automobile starter damping of shocks system creates conditions.
Background technology
Starter drives car engine start inevitably to produce impact, therefore matches somebody with somebody in starter original structure
Cover damping of shocks system turns into inexorable trend.What the damping of shocks system will can bear that engine startup loads suddenly rushes
Load is hit, and plays and effectively extends the load time, reduces the effect of impulsive force；The damping of shocks system is by the part of absorption
Kinetic energy is changed into heat energy by damping generation friction and scattered and disappeared, and another part energy switchs to the deformation energy of buffer system.Therefore, impact
Test system just turns into one of necessary requirement of research and development starter damping of shocks system.
The content of the invention
The purpose of the invention is to provide a kind of car engine start shock measuring system, and the system is passed using a variety of
Sensor measurement engine starts moment, starter therein structure and starter tooth head and engine flywheel gear ring starting-impact
Process, while also using the length of adjustment striking arm, expanding sensor measurement range and simplifying system configuration, be automobile start
The exploitation of machine damping of shocks system creates favorable conditions.
The technical scheme that the invention is used for：
Car engine start shock measuring system, with support, support, which is provided with, is used for simulated engine starting process
Starter and engine flywheel gear ring, starter drives engine flywheel gear ring to revolve by the engaged transmission of tooth head and gear ring
Turn, engine flywheel gear ring is provided with obliquity sensor and striking arm, obliquity sensor is rigidly connected with engine flywheel gear ring
And it is coaxial with the centre of gyration of engine flywheel gear ring, striking arm is rigidly attached on engine flywheel gear ring, is set on striking arm
There is impact head；Support base is additionally provided with the support, the support base is located at provided with two force snesors, two force snesors
The lower section of impact head.
Described car engine start shock measuring system, two described force snesors are respectively piezoelectric forces sensing
Device and strain force sensor, piezoelectric force transducer and strain force sensor are connected and are rigidly attached on support base.
Described car engine start shock measuring system, the impact head and two force snesors are centrally located at together
On one center line so that impact head lower surface is to power that the power that force snesor applies is vertically downward.
Described car engine start shock measuring system, the surface of the engine flywheel gear ring has groove, institute
State striking arm to be embedded in groove and fasten by screw I, the upper and lower side upper and lower side corresponding with groove of striking arm is made
With.
Described car engine start shock measuring system, the surface of the striking arm is provided with scale.
Described car engine start shock measuring system, the impact head is slidably connected with striking arm so that rush
The position tapped the head on striking arm is adjustable, and is fastened by screw II.
Described car engine start shock measuring system, the obliquity sensor is fixed on engine by screw III
On flywheel ring gear.
It is fixedly provided with described car engine start shock measuring system, the support for indicating that starting-impact rises
Beginning angle bevel protractor, the bevel protractor be located at engine flywheel gear ring top.
It can add at different-diameter on described car engine start shock measuring system, the engine flywheel gear ring
Plus with the rotary inertia for being reused in regulation engine flywheel gear ring.
The invention has the advantages that：
Starter tooth head in the invention drives engine flywheel gear ring by engaged transmission, and simulated engine is started
Process；The engine flywheel assembly simulation of the compositions such as engine flywheel gear ring, obliquity sensor, striking arm supporting engine
Rotary inertia；Engine flywheel assembly turns to striking arm and is horizontal, and impact head is contacted with force snesor, and impact
Torque is converted into impulsive force；The angular displacement of engine flywheel starting process is measured using obliquity sensor；Piezoelectric forces are used respectively
Sensor and strain force sensor test dynamic and static impulsive force；Counterweight is equipped with the different radial positions of engine flywheel, it is real
The adjustment of existing engine moment inertia.
The invention can be realized to the starting punching of supporting engine by adjusting the rotary inertia of engine flywheel gear ring
The simulation hit；By being used in series for dual force sensor, measured while realizing sound state impulsive force；By obliquity sensor and
Dual force sensor measures angular displacement and the impulsive force of engine flywheel simultaneously, is beneficial to grasp starter therein structure and rises
The dynamic property of motivation tooth head and engine flywheel gear ring starting-impact process and starter damping of shocks system, for research and development and
Production provides safeguard.
Brief description of the drawings
Fig. 1 is the structure diagram of the invention car engine start shock measuring system.
The structural representation that Fig. 2 is connected for striking arm in the invention with engine flywheel gear ring.
Wherein 1- teeth head, 2- engine flywheel gear rings, 3- bevel protractors, 4- obliquity sensors, 5- support bases, 6- piezoelectric forces
Sensor, 7- strain force sensors, 8- striking arms, 9- impact heads.
Embodiment
Car engine start shock measuring system as shown in Figure 1, with support, support, which is provided with, is used for simulated engine
The starter and engine flywheel gear ring 2 of starting process, starter drive engine to fly by the engaged transmission of tooth first 1 and gear ring
Wheel gear ring 2 rotates, and engine flywheel gear ring 2 is provided with obliquity sensor 4 and striking arm 8, obliquity sensor 4 and engine flywheel
Gear ring 2 is rigidly connected and coaxial with the centre of gyration of engine flywheel gear ring 2, and obliquity sensor is fixed on by 4 screws III
It is on engine flywheel gear ring and concentric.Striking arm 8 is rigidly attached on engine flywheel gear ring 2, and striking arm 8 is provided with punching
Tap the head；Support base 5 is additionally provided with the support, the support base 5 is located at punching provided with two force snesors, two force snesors
Tap the head 9 lower section.Two force snesors are respectively piezoelectric force transducer 6 and strain force sensor 7, piezoelectric force transducer
6 and strain force sensor 7 connect and be rigidly attached on support base 5.
Impact head 9 and two force snesors are centrally located on same center line so that impact head lower surface is sensed to power
The power that device applies is power vertically downward.The surface of engine flywheel gear ring 2 as shown in Figure 2 has groove, and striking arm 8 is embedded in
It is connected in simultaneously with 4 screws I in the groove on the surface of engine flywheel gear ring 2 in groove, the upper and lower side and groove of striking arm 8
The transmission of torque is realized in interior corresponding upper and lower side effect.The surface of striking arm 8 is provided with scale.Impact head 9 is slided with striking arm 8
Connection so that position of the impact head 9 on striking arm 8 it is adjustable, and fastened by screw II.
The bevel protractor for indicating starting-impact initial angle is fixedly provided with support, the bevel protractor is located at engine flywheel
The top of gear ring.Wherein, striking arm 8, obliquity sensor 4 and engine flywheel gear ring 2 constitute engine flywheel assembly, and pass through
The adjustment that counterweight realizes engine flywheel assembly rotary inertia is equipped with the different-diameter of engine flywheel gear ring 2, simulation is matched somebody with somebody
Cover the rotary inertia of engine.
By Principles of Gear Connection, tooth first 1 and the centre-to-centre spacing of engine flywheel assembly in starter are arranged.
By the scale on the surface of striking arm 8, the distance at the center of 9 opposite engine flywheel ring gear of adjustment impact head 2 realizes impact
The change of the arm of force, to adjust the size of impulsive force.Impact head 9 uses the fastening of screw II thereon after being adjusted in place；Two power sensings
Device and support base 5 do same adjustment with impact head 9, it is ensured that it is concentric with impact head 9, while to ensure the lower surface of impact head 9
Only apply power vertically downward to force snesor.
During test, with reference to the scale of fixed bevel protractor 3, pulling striking arm 8 makes it form defined with horizontal plane
Angle, that is, impact initial angle.It is electric on starter, while recording obliquity sensor 4, piezoelectric force transducer 6, strain-type power sensing
The signal of device 7.
Claims (9)
1. car engine start shock measuring system, it is characterised in that with support, support, which is provided with, is used for simulated engine
The starter and engine flywheel gear ring of starting process, starter drive engine flywheel by the engaged transmission of tooth head and gear ring
Gear ring rotates, and engine flywheel gear ring is provided with obliquity sensor and striking arm, and obliquity sensor and engine flywheel gear ring are firm
Property connection and it is coaxial with the centre of gyration of engine flywheel gear ring, striking arm is rigidly attached on engine flywheel gear ring, impact
Arm is provided with impact head；Support base is additionally provided with the support, the support base is provided with two force snesors, two power sensings
Device is located at the lower section of impact head.
2. car engine start shock measuring system according to claim 1, it is characterised in that two described power are passed
Sensor is respectively piezoelectric force transducer and strain force sensor, and piezoelectric force transducer and strain force sensor series connection are simultaneously
It is rigidly attached on support base.
3. car engine start shock measuring system according to claim 1, it is characterised in that the impact head and two
Individual force snesor is centrally located on same center line so that impact head lower surface is vertically downward to the power that force snesor applies
Power.
4. car engine start shock measuring system according to claim 1, it is characterised in that the engine flywheel
The surface of gear ring has a groove, and the striking arm is embedded in groove and fastened by screw I, the upper and lower side of striking arm with it is recessed
Corresponding upper and lower side effect in groove.
5. car engine start shock measuring system according to claim 1, it is characterised in that the table of the striking arm
Face is provided with scale.
6. car engine start shock measuring system according to claim 1, it is characterised in that the impact head and punching
Arm is hit to be slidably connected so that position of the impact head on striking arm it is adjustable, and fastened by screw II.
7. car engine start shock measuring system according to claim 1, it is characterised in that the obliquity sensor
It is fixed on by screw III on engine flywheel gear ring.
8. car engine start shock measuring system according to claim 1, it is characterised in that also solid on the support
Provided with the bevel protractor for indicating starting-impact initial angle, the bevel protractor is located at the top of engine flywheel gear ring.
9. car engine start shock measuring system according to claim 1, it is characterised in that the engine flywheel
It can be added at different-diameter on gear ring with the rotary inertia for being reused in regulation engine flywheel gear ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510553101.6A CN105092200B (en) | 2015-09-01 | 2015-09-01 | Car engine start shock measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510553101.6A CN105092200B (en) | 2015-09-01 | 2015-09-01 | Car engine start shock measuring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105092200A CN105092200A (en) | 2015-11-25 |
| CN105092200B true CN105092200B (en) | 2017-07-28 |
Family
ID=54573131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510553101.6A Expired - Fee Related CN105092200B (en) | 2015-09-01 | 2015-09-01 | Car engine start shock measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105092200B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784372B (en) * | 2016-05-09 | 2018-03-13 | 辽宁工业大学 | The automobile starter that goes the big figure starts temporary impact force test system and method for testing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1293765A2 (en) * | 2001-09-18 | 2003-03-19 | DEUTZ Aktiengesellschaft | Procedure for calibrating a power brake used in an internal combustion engine test bench |
| JP2004177271A (en) * | 2002-11-27 | 2004-06-24 | Ishikawajima Harima Heavy Ind Co Ltd | Driving testing apparatus |
| CN202002770U (en) * | 2011-03-31 | 2011-10-05 | 潍柴动力股份有限公司 | Force sensor calibration and comparison device for engine dynamometer |
| CN102435524A (en) * | 2011-09-20 | 2012-05-02 | 东莞市高品检测技术服务有限公司 | Calibration method and apparatus for pendulum impact testing machine |
| CN103234757A (en) * | 2013-04-24 | 2013-08-07 | 无锡市朗迪测控技术有限公司 | Performance test board for automobile starter |
| CN204882025U (en) * | 2015-09-01 | 2015-12-16 | 辽宁工业大学 | Automobile engine starts shock -testing system |
-
2015
- 2015-09-01 CN CN201510553101.6A patent/CN105092200B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1293765A2 (en) * | 2001-09-18 | 2003-03-19 | DEUTZ Aktiengesellschaft | Procedure for calibrating a power brake used in an internal combustion engine test bench |
| JP2004177271A (en) * | 2002-11-27 | 2004-06-24 | Ishikawajima Harima Heavy Ind Co Ltd | Driving testing apparatus |
| CN202002770U (en) * | 2011-03-31 | 2011-10-05 | 潍柴动力股份有限公司 | Force sensor calibration and comparison device for engine dynamometer |
| CN102435524A (en) * | 2011-09-20 | 2012-05-02 | 东莞市高品检测技术服务有限公司 | Calibration method and apparatus for pendulum impact testing machine |
| CN103234757A (en) * | 2013-04-24 | 2013-08-07 | 无锡市朗迪测控技术有限公司 | Performance test board for automobile starter |
| CN204882025U (en) * | 2015-09-01 | 2015-12-16 | 辽宁工业大学 | Automobile engine starts shock -testing system |
Non-Patent Citations (1)
| Title |
|---|
| 发动机起动性能单片机测试系统;兰琳 等;《机械制造与设计工程》;20010131;第30卷(第1期);第61-63页 * |
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| Publication number | Publication date |
|---|---|
| CN105092200A (en) | 2015-11-25 |
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Granted publication date: 20170728 Termination date: 20190901 |