CN107966301A - It is a kind of to test safety belt of baby carriage and the device of restraint system reliability - Google Patents
It is a kind of to test safety belt of baby carriage and the device of restraint system reliability Download PDFInfo
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- CN107966301A CN107966301A CN201711151189.4A CN201711151189A CN107966301A CN 107966301 A CN107966301 A CN 107966301A CN 201711151189 A CN201711151189 A CN 201711151189A CN 107966301 A CN107966301 A CN 107966301A
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- safety belt
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- bearing
- mounting plate
- ball screw
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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)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
Safety belt of baby carriage and the device of restraint system reliability are tested the present invention relates to a kind of;It includes a direct driving motor（DDR）And intelligent driver, a set of high-speed silent formula leading screw, a set of linear bearing guide rod, a pair of of Quick clamping fixture（Upper and lower gauge）, using S doubly-linked pass force cells（Strain-gauge transducer）, amplifier and data handling system complete to measure, device high-low limit position is equipped with close to switch, ensure equipment will not overtravel operation, ensure equipment operation and testing crew safety;Using man-machine " dialogue " mode so that " force value and time " and replicated experimental units are accurately ensured during pulling force.The present apparatus eliminates interference from human factor, directly with data validation, substantially increases detection accuracy and efficiency.
Description
Technical field
Safety belt of baby carriage and the device of restraint system reliability are tested the present invention relates to a kind of.
Background technology
As China's economy constantly advances, the living standard of people is continuously improved, and the relieving of two tire policies, the people
Many demands to cart also increasingly increase, and the update degree of perambulator is getting faster, and people also more pay attention to its quality safety
, wherein safety belt of baby carriage is to judge one of its qualified or not big event with restraint system reliability.At present according to standard
Safety belt of baby carriage is tested with the method for restraint system reliability mainly using the pattern of manpower+stopwatch.Required in standard in fixation
Gradually apply a fixed force value in time, and require to be maintained for a long time；Some also has distance and position requirement and speed will
Ask, number of repetition requirement.If have following drawback using the pattern of manpower+stopwatch：First, the hand of people is held tensiometer and is not stranded
Difficulty, difficult is uniformly to apply the power fixed within the set time, and force process is unable to control the precision of power.2nd, standard requirement
Power is maintained for a long time, and no matter is to maintain 1min or 5min, and the arm of people is easy to fatigue, can not ensure at all herein
The stability of time internal force, and also to accurately hold test period.3rd, also require to repeat for adjusting mechanism performance requirement standard
10 times, if still artificial de-regulation distance, force, both inaccurate and time and effort consumings.Existing tension method is in detection method
Existing cumbersome and data judge that its data accuracy is not high by artificial.It is therefore desirable to reformed AHP.
The content of the invention
Present invention aims at provide a kind of test safety belt of baby carriage and the device of restraint system reliability;The present invention uses
Technical solution be：A kind of to test safety belt of baby carriage and the device of restraint system reliability, which is equipped with direct driving motor,
Direct driving motor is fixed on upper mounting plate by motor mounting plate, and upper mounting plate is connected with three linear bearing guide rods with lower installation board
Stent is formed, ball screw lower end set upper bearing (metal), with circlip for shaft stuck position, bearing is assemblied in the hole of lower installation board
In, ball screw upper end is equipped with gasket ring, back-to-back contact bearing two, back-to-back contact bearing one, screw locking gasket ring, screw lock
Tight nut, bearing clearance is adjusted by bearing block and bearing gland, and ball screw top is connected by key with direct driving motor,
Whole high-speed silent formula lead screw pair and lifting part are formed, control ball screw rotates;Three linear bearings are fixed on lifting peace
In loading board, slided up and down on linear bearing guide rod, ball nut and ball screw coordinate, liftable mounting plate by with ball spiral shell
Mother is fixed together, and moving up and down for liftable mounting plate is changed into ball screw;S doubly-linked pass pressure sensings
Device is connected by floating junction with lift connection plate, and lift connection plate is fixed on liftable mounting plate, is fixed on elevating mechanism,
S doubly-linkeds pass pressure sensor lower end is connected with upper Quick clamping fixture, and lower Quick clamping fixture is fixed on upper substrate;;Under
Installing plate is installed on upper substrate, and whole stent is stood on base;Lower Quick clamping fixture is fixed on upper substrate;Upper substrate leads to
Cross aluminium section bar and form whole engine base with infrabasal plate, metal plate, lower margin;Touch-screen and button are installed on base by stamping holes;Directly
Motor is driven by the absolute value encoder automatic collection positional information and velocity information that carry, and by intelligent driver into line position
Control and speed control are put, into after experiment interface, external PLC system gathers various kinds test data, draws trial curve in real time,
Automatically each test parameters and output report to be obtained, data are presented on the touchscreen, direct driving motor also carries absolute value encoder,
Controlled by intelligent driver, driver is equipped with encoder, and intelligent driver is connected to power cord and connects external PLC system and control
Computer PC processed, control computer PC are equipped with touch-screen;Test safety belt of baby carriage and the device high-low limit position of restraint system reliability
Put and be equipped with close to switch, ensure that equipment will not overtravel operation, the operation of guarantee equipment and testing crew safety.
Compared with prior art, the driving machine of test safety belt of baby carriage and the device of restraint system reliability of the invention
Structure is direct driving motor（DDR）With high torque, high rigidity, high accuracy, deceleration head is eliminated, and maintenance of motor maintenance is simple, peace
Component is reduced, and saves space, and substantially increases service efficiency, saves the energy;Direct driving motor also carries absolute encoder
Device, is determined to encode by mechanical location, it is without memory, and without looking for reference point, accurate positioning, anti-interference is good.By intelligent drives
Device controls;The test safety belt of baby carriage and the device of restraint system reliability, its S doubly-linked pass pressure sensor（Strain chip
Sensor）It is fixed on by floating junction on elevating mechanism, can be with rectifying eccentricity by floating junction the problem of, protects positive pulling force and exist
On one line, pressure sensor is protected, and have buffering, cushioning effect.Test philosophy of the present invention is simple and clear, and simple operation can
Good by property, accuracy is high, improves efficiency.Present invention test safety belt of baby carriage and the device of restraint system reliability, meet standard
It is required that judge the reliability of safety belt and restraint system.
Brief description of the drawings
Fig. 1 is a kind of structure member decomposition diagram of the present invention.
Fig. 2 is the assembly structure diagram of Fig. 1.
Fig. 3 is the outer connection relationship diagram of intelligent driver of the present invention.
In figure, 1. direct driving motors（DDR）, 2. upper mounting plates close to switch, 3. screws locking gasket ring, 4. lean against back contacts
Bearing one, 5. bearing glands, 6. keys, 7. linear bearing guide rods, 8. linear bearings, 9. bearings, 10. circlip for shaft（Card
Ring）, 11. lower installation boards, 12. liftable mounting plates, 13. ball nuts, 14. ball screws, 15. gasket rings, 16. back-to-back engagement shafts
Hold two, 17. bearing blocks, 18. screw locking nuts, 19. motor mounting plates, 20. close to switches, 21. upper substrates, 22. aluminium section bars,
23. metal plate, 24. lift connection plates, 25. floating junctions, 26.S doubly-linked pass pressure sensors（Strain-gauge transducer）、27.
Upper Quick clamping fixture, 28. safe buckles, 29. times Quick clamping fixtures, 30. touch-screens, 31. infrabasal plates, 32. lower margins, 33.
Intelligent driver, 34.PLC systems.
Embodiment
Below in conjunction with example, the invention will be further described.（But it is not limitation of the present invention）.
The test device of the present invention is equipped with direct driving motor（DDR）, upper mounting plate close to switch, screw locking gasket ring, lean against
Back contacts bearing one, bearing gland, key, linear bearing guide rod linear bearing, bearing, circlip for shaft（Snap ring）, lower installation
Plate, liftable mounting plate, ball nut, ball screw, gasket ring, back-to-back contact bearing two, bearing block, screw locking nut, electricity
Machine installing plate, close switch, upper substrate, aluminium section bar, metal plate, lift connection plate, floating junction, S doubly-linked pass pressure sensors
（Strain-gauge transducer）, upper Quick clamping fixture, safe buckle, lower Quick clamping fixture, touch-screen, infrabasal plate, lower margin, intelligence
Can driver, PLC system;As shown in Figure 1, direct driving motor（DDR）1 is fixed on upper mounting plate 2 by motor mounting plate 19, on
Installing plate 2 is connected to form stent with three linear bearing guide rods 7 with lower installation board 11, and 14 lower end of ball screw set upper bearing (metal) 9, is used
Circlip for shaft（Snap ring）10 stuck positions, bearing 9 are assemblied in the hole of lower installation board 11, and 14 upper end of ball screw is equipped with pad
Ring 15, back-to-back contact bearing 2 16, back-to-back contact bearing 1, screw locking gasket ring 3, screw locking nut 18, pass through axis
Bearing 17 and bearing gland 5 adjust bearing clearance, and 14 top of ball screw passes through key 6 and direct driving motor（DDR）1 is connected,
Control ball screw 14 rotates.Three linear bearings 8 glide on being fixed on liftable mounting plate 12 on linear bearing guide rod 7
Dynamic, ball nut 13 coordinates with ball screw 14, and liftable mounting plate 12 with ball nut 13 by being fixed together, with ball
Screw 14 changes into moving up and down for liftable mounting plate 12.Lift connection plate 24 is fixed on liftable mounting plate 12, and S is double
Even pass pressure sensor（Strain-gauge transducer）26 are connected by floating junction 25 with lift connection plate 24, upper quick-clamping
Gauge 27 and S doubly-linked pass pressure sensors（Strain-gauge transducer）26 lower ends are fixed.Lower installation board 11 is installed on upper substrate
On 21, whole stent is stood on base.Lower Quick clamping fixture 29 is fixed on upper substrate 21.Upper substrate 21 passes through aluminium section bar 22
Whole base is formed with infrabasal plate 31, metal plate 23, lower margin 32.Touch-screen 30 and button are installed on base by stamping holes.Directly
Drive motor（DDR）The 1 absolute value encoder automatic collection positional information and velocity information by carrying, and pass through intelligent driver
33 are equipped with encoder into row position control and speed control, intelligent driver 33, and intelligent driver 33 is connected to power cord and connects
External PLC system 34 and control computer PC, control computer PC are equipped with touch-screen.Into after experiment interface, external PLC system 34
Various kinds test data can be constantly gathered, trial curve is drawn in real time, obtains each test parameters and output report automatically, be in by data
Now on the touchscreen, and device high-low limit position be equipped with close to switch 20, ensure equipment will not overtravel operation, ensure equipment
Operation and testing crew safety.
One section of safety belt sample is respectively intercepted on the both sides of safety belt regulating system, the both ends of the safe buckle 28 of sample are distinguished
It is fixed on Quick clamping fixture 27 and lower Quick clamping fixture 29, by operation touch-screen, makes the safety between two fixtures
Strip length is 200mm, and respectively draws a line and make marks on safety belt along clamping opening.By the distance between two gauges reduce to
150mm, then the distance between two fixtures are increased until sample bears 100N ± 10N with the speed of 500mm/min ± 10mm/min
Power.After this power is reached, then adjust the distance between two fixtures and arrive 150mm, then stretched.It is repeated 10 times, measurement safety
Take the distance between two mark lines.The upper-lower position of fixture is fixed, passes through the setting of initial value, direct driving motor（DDR）1 is logical
Cross the absolute value encoder automatic collection position carried, velocity information, by pressure sensor gather force value information, the load time by
PLC is controlled.Operating personnel only need to test position and rate request by touch-screen input can complete experiment desired position,
The requirement of speed, time and number of repetition, and will monitor in real time, feedack is shown by touch-screen, and can be directed to
Different samples, works out different programs, only different program numbers need to be selected quickly to carry out corresponding experiment.
It the above is only the specific embodiment of the present invention, all similar changes made according to above-mentioned design, ought to belong to the present invention
Scope.
Claims (2)
1. a kind of test safety belt of baby carriage and the device of restraint system reliability, it is characterized in that：The test device is equipped with straight
Motor is driven, direct driving motor is fixed on upper mounting plate, upper mounting plate and three linear bearing guide rods and lower peace by motor mounting plate
Loading board connects to form stent, and ball screw lower end set upper bearing (metal), with circlip for shaft stuck position, bearing is assemblied in lower installation
In the hole of plate, ball screw upper end be equipped with gasket ring, back-to-back contact bearing two, back-to-back contact bearing one, screw locking gasket ring,
Screw locking nut, adjusts bearing clearance, ball screw top is connected by key and direct driving motor by bearing block and bearing gland
Integrally, whole high-speed silent formula lead screw pair and lifting part are formed, control ball screw rotates;Three linear bearings are fixed on
On liftable mounting plate, slided up and down on linear bearing guide rod, ball nut and ball screw coordinate, liftable mounting plate by with
Ball nut is fixed together, and moving up and down for liftable mounting plate is changed into ball screw;S doubly-linked pass pressures
Force snesor is connected by floating junction with lift connection plate, and lift connection plate is fixed on liftable mounting plate, is fixed on lifting
In mechanism, S doubly-linkeds pass pressure sensor lower end is connected with upper Quick clamping fixture, and lower Quick clamping fixture is fixed on base
On plate;;Lower installation board is installed on upper substrate, and whole stent is stood on base;Lower Quick clamping fixture is fixed on upper substrate;
Upper substrate forms whole engine base by aluminium section bar and infrabasal plate, metal plate, lower margin;Touch-screen and button are installed on bottom by stamping holes
On seat;Direct driving motor passes through intelligent drives by the absolute value encoder automatic collection positional information and velocity information that carry
Device is controlled into row position and speed control, driver are equipped with encoder, and intelligent driver is connected to power cord and connects external PLC
System and control computer PC, control computer PC are equipped with touch-screen;Into after experiment interface, external PLC system collection various kinds experiment
Data, draw trial curve in real time, obtain each test parameters and output report automatically, and data are presented on the touchscreen, described
The device high-low limit position of test safety belt of baby carriage and restraint system reliability is equipped with close to switch, ensures that equipment will not surpass
Running.
2. the application of test safety belt of baby carriage according to claim 1 and the device of restraint system reliability, it is characterized in that：
One section of safety belt sample is respectively intercepted on the both sides of safety belt regulating system, the both ends of the safe buckle 28 of sample are separately fixed at
On Quick clamping fixture and lower Quick clamping fixture, by operation touch-screen, the belt length between two fixtures is set to be
200mm, and respectively draw a line and make marks on safety belt along clamping opening;Distance between two gauges is reduced to 150mm, then with
The speed of 500mm/min ± 10mm/min increases the distance between two fixtures until sample bears the power of 100N ± 10N;When reaching
After this power, then adjust the distance between two fixtures and arrive 150mm, then stretched.It is repeated 10 times, measures two mark lines on safety belt
Between distance;The upper-lower position of fixture is fixed, and by the setting of initial value, direct driving motor passes through the absolute encoder that carries
Device automatic collection position, velocity information, gather force value information, the load time is controlled by PLC by pressure sensor;Operating personnel couple
Test position and rate request can complete experiment desired position, speed, time and number of repetition by touch-screen input
It is required that and will real time monitoring, feedack is shown by touch-screen, and different samples can be directed to, works out different journeys
Sequence, selects different program numbers quickly to carry out corresponding experiment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711151189.4A CN107966301B (en) | 2017-11-18 | 2017-11-18 | A kind of device for testing safety belt of baby carriage and restraint system reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711151189.4A CN107966301B (en) | 2017-11-18 | 2017-11-18 | A kind of device for testing safety belt of baby carriage and restraint system reliability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107966301A true CN107966301A (en) | 2018-04-27 |
| CN107966301B CN107966301B (en) | 2019-06-21 |
Family
ID=62001209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711151189.4A Active CN107966301B (en) | 2017-11-18 | 2017-11-18 | A kind of device for testing safety belt of baby carriage and restraint system reliability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107966301B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887673A (en) * | 2019-11-29 | 2020-03-17 | 北京汽车研究总院有限公司 | Safety belt reliability test system |
| KR20200144607A (en) * | 2019-06-18 | 2020-12-30 | 현대로템 주식회사 | Measuring Apparatus of Wearing Robot Assistive Force |
| CN117518975A (en) * | 2024-01-04 | 2024-02-06 | 东北大学 | Integrated circuit AOI data acquisition control system based on line laser scanner |
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| CN202351027U (en) * | 2011-11-10 | 2012-07-25 | 浙江吉利汽车研究院有限公司 | Reliability test bed for safety belt buckle of vehicle |
| CN202814686U (en) * | 2012-06-21 | 2013-03-20 | 北京中汽寰宇机动车检验中心有限公司 | Novel safety belt buckle durability test device |
| CN205317482U (en) * | 2015-12-22 | 2016-06-15 | 天合富奥汽车安全系统（长春）有限公司 | Safety belt belt buckle capability test mechanism |
| CN206177572U (en) * | 2016-11-11 | 2017-05-17 | 浙江万里安全器材制造有限公司 | Belt buckle lock durability -testing machine of safety belt |
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2017
- 2017-11-18 CN CN201711151189.4A patent/CN107966301B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202351027U (en) * | 2011-11-10 | 2012-07-25 | 浙江吉利汽车研究院有限公司 | Reliability test bed for safety belt buckle of vehicle |
| CN202814686U (en) * | 2012-06-21 | 2013-03-20 | 北京中汽寰宇机动车检验中心有限公司 | Novel safety belt buckle durability test device |
| CN205317482U (en) * | 2015-12-22 | 2016-06-15 | 天合富奥汽车安全系统（长春）有限公司 | Safety belt belt buckle capability test mechanism |
| CN206177572U (en) * | 2016-11-11 | 2017-05-17 | 浙江万里安全器材制造有限公司 | Belt buckle lock durability -testing machine of safety belt |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200144607A (en) * | 2019-06-18 | 2020-12-30 | 현대로템 주식회사 | Measuring Apparatus of Wearing Robot Assistive Force |
| CN110887673A (en) * | 2019-11-29 | 2020-03-17 | 北京汽车研究总院有限公司 | Safety belt reliability test system |
| CN110887673B (en) * | 2019-11-29 | 2021-09-21 | 北京汽车研究总院有限公司 | Safety belt reliability test system |
| CN117518975A (en) * | 2024-01-04 | 2024-02-06 | 东北大学 | Integrated circuit AOI data acquisition control system based on line laser scanner |
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| Publication number | Publication date |
|---|---|
| CN107966301B (en) | 2019-06-21 |
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