CN107966301B - A kind of device for testing safety belt of baby carriage and restraint system reliability - Google Patents
A kind of device for testing safety belt of baby carriage and restraint system reliability Download PDFInfo
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- CN107966301B CN107966301B CN201711151189.4A CN201711151189A CN107966301B CN 107966301 B CN107966301 B CN 107966301B CN 201711151189 A CN201711151189 A CN 201711151189A CN 107966301 B CN107966301 B CN 107966301B
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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
The present invention relates to a kind of devices for testing safety belt of baby carriage and restraint system reliability;It includes a direct driving motor (DDR) and intelligent driver, a set of high-speed silent formula lead screw, a set of linear bearing guide rod, a pair of of Quick clamping fixture (upper and lower jig), it completes to measure using S doubly-linked pass load cell (strain-gauge transducer), amplifier and data processing system, device high-low limit position is equipped with close to switch, guarantees that equipment will not overtravel operation, the operation of guarantee equipment and testing crew safety;Using man-machine " dialogue " mode, so that " force value and time " and replicated experimental units are accurately guaranteed during pulling force.The present apparatus eliminates interference from human factor, directly uses data validation, substantially increases detection accuracy and efficiency.
Description
Technical field
The present invention relates to a kind of devices for testing safety belt of baby carriage and restraint system reliability.
Background technique
As China's economy constantly advances, people's lives level is continuously improved and the relieving of two tire policies, the people
Demand of the crowd to cart also increasingly increases, 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 and restraint system reliability are to determine its qualified or not one of big event.At present according to standard
The method of test safety belt of baby carriage and restraint system reliability mainly applies manpower+stopwatch mode.It requires in standard in fixation
Gradually apply a fixed force value in time, and requires to be maintained for a long time；There are also distance and position requirements and speed to want for some
It asks, number of repetition requirement.If having following drawback using manpower+stopwatch mode: one, the hand of people is held tensiometer and is not stranded
Difficulty, difficult is uniformly to apply a fixed power within the set time, and force process is unable to control the precision of power.Two, standard requirements
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, not can guarantee at all herein
The stability of time internal force, and also to accurately hold test period.Three, regulating mechanism performance requirement standard is also required to repeat
10 times, if still artificial de-regulation distance, force, both inaccuracy and time and effort consuming.Existing tension method is in detection method
For existing cumbersome and data by artificial judgement, data accuracy is not high.It is therefore desirable to reformed AHPs.
Summary of the invention
It is an object of that present invention to provide a kind of devices for testing safety belt of baby carriage and restraint system reliability;The present invention uses
Technical solution be: a kind of device for testing safety belt of baby carriage and restraint system reliability, the test device equipped with direct driving motor,
Direct driving motor is fixed on upper mounting plate by motor mounting plate, and upper mounting plate is connect with three linear bearing guide rods with lower installation board
Bracket is formed, ball screw lower end covers upper bearing (metal), and 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 rod locking gasket ring, screw rod lock
Tight nut adjusts bearing clearance by bearing block and bearing gland, and ball screw top is connected by key with direct driving motor,
Constitute entire high-speed silent formula lead screw pair and lifting part, control ball screw rotation;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 cooperate, liftable mounting plate by with ball spiral shell
Mother is fixed together, and is converted to moving up and down for liftable mounting plate with ball screw;S doubly-linked pass pressure sensing
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-linked pass pressure sensor lower end is connected with upper Quick clamping fixture, and lower Quick clamping fixture is fixed on upper substrate;;Under
Mounting plate is mounted on upper substrate, and entire bracket is stood on pedestal;Lower Quick clamping fixture is fixed on upper substrate;Upper substrate is logical
It crosses aluminum profile and lower substrate, metal plate, lower margin forms entire base;Touch screen and button are mounted on the base by stamping holes;Directly
Motor is driven by included absolute value encoder automatic collection location information and velocity information, and position is carried out by intelligent driver
Control and speed control are set, into after test interface, external PLC system acquires various kinds test data, trial curve is drawn in real time,
Automatically each test parameters and output report are found out, data are presented on the touchscreen, the also included absolute value encoder of direct driving motor,
It is controlled by intelligent driver, driver is equipped with encoder, and intelligent driver is connected to power supply line and connects external PLC system and control
Computer PC processed, control computer PC are equipped with touch screen;Test the device high-low limit position of safety belt of baby carriage and restraint system reliability
It sets and is equipped with close to switch, guarantee 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 of the invention and the device of restraint system reliability
Structure is that direct driving motor (DDR) has high torque, high rigidity, high-precision, eliminates deceleration head, and maintenance of motor maintenance is simple, peace
Component is reduced, and saves space, and substantially increase service efficiency, saves the energy;The also included absolute encoder of direct driving motor
Device determines coding by mechanical location, it is without memory, and without looking for reference point, accurate positioning, anti-interference is good.By intelligent drives
Device control;The device of the test safety belt of baby carriage and restraint system reliability, S doubly-linked pass pressure sensor (strain chip
Sensor) it is fixed on elevating mechanism by floating junction, can be with rectifying eccentricity by floating junction the problem of, it protects positive pulling force and exists
On one line, pressure sensor is protected, and have buffering, cushioning effect.Test philosophy of the present invention is simple and clear, and it is convenient to operate, can
Good by property, accuracy is high, improves efficiency.The present invention tests the device of safety belt of baby carriage and restraint system reliability, complies with standard
It is required that determining the reliability of safety belt and restraint system.
Detailed description of the invention
Fig. 1 is a kind of structure member decomposition diagram of the invention.
Fig. 2 is the assembly structure diagram of Fig. 1.
Fig. 3 is the outer connection relationship diagram of intelligent driver of the invention.
In figure, 1. direct driving motors (DDR), 2. upper mounting plates lean against back contacts close to switch, 3. screw rods locking gasket ring, 4.
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 rod locking nuts, 19. motor mounting plates, 20. close to switches, 21. upper substrates, 22. aluminum profiles,
23. metal plate, 24. lift connection plates, 25. floating junctions, 26.S doubly-linked pass pressure sensor (strain-gauge transducer), 27.
Upper Quick clamping fixture, 28. safe buckles, 29. lower Quick clamping fixtures, 30. touch screens, 31. lower substrates, 32. lower margins, 33.
Intelligent driver, 34.PLC system.
Specific embodiment
Below in conjunction with example, the invention will be further described.(but not being limitation of the present invention).
Test device of the invention is equipped with direct driving motor (DDR), the close switch of upper mounting plate, screw rod locking gasket ring, leans 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 rod locking nut, electricity
Machine mounting plate, close switch, upper substrate, aluminum profile, metal plate, lift connection plate, floating junction, S doubly-linked pass pressure sensor
(strain-gauge transducer), upper Quick clamping fixture, safe buckle, lower Quick clamping fixture, touch screen, lower substrate, lower margin, intelligence
It 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
Mounting plate 2 connect to form bracket with three linear bearing guide rods 7 with lower installation board 11, and 14 lower end of ball screw covers upper bearing (metal) 9, uses
10 stuck position of circlip for shaft (snap ring), 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 rod lock gasket ring 3, screw rod locking nut 18, pass through axis
It holds seat 17 and bearing gland 5 adjusts bearing clearance, 14 top of ball screw is connected by key 6 with direct driving motor (DDR) 1,
Ball screw 14 is controlled to rotate.Three linear bearings 8 are fixed on liftable mounting plate 12 on linear bearing guide rod 7 upper downslide
Dynamic, ball nut 13 and ball screw 14 cooperate, and liftable mounting plate 12 with ball nut 13 by being fixed together, with ball
Screw rod 14 is converted to moving up and down for liftable mounting plate 12.Lift connection plate 24 is fixed on liftable mounting plate 12, and S is bis-
Even pass pressure sensor (strain-gauge transducer) 26 is connected by floating junction 25 with lift connection plate 24, upper quick-clamping
Jig 27 and S doubly-linked pass pressure sensor (strain-gauge transducer) 26 lower end is fixed.Lower installation board 11 is mounted on upper substrate
On 21, entire bracket is stood on pedestal.Lower Quick clamping fixture 29 is fixed on upper substrate 21.Upper substrate 21 passes through aluminum profile 22
Entire pedestal is formed with lower substrate 31, metal plate 23, lower margin 32.Touch screen 30 and button are mounted on the base by stamping holes.Directly
Motor (DDR) 1 is driven by included absolute value encoder automatic collection location information and velocity information, and passes through intelligent driver
33 carry out position control and speed control, and intelligent driver 33 is equipped with encoder, and intelligent driver 33 is connected to power supply line and connects
External PLC system 34 and control computer PC, control computer PC are equipped with touch screen.Into after test interface, external PLC system 34
Various kinds test data can be constantly acquired, trial curve is drawn in real time, finds out each test parameters and output report automatically, be in by data
Now on the touchscreen, and device high-low limit position is equipped with close to switch 20, guarantee equipment will not overtravel operation, guarantee 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 jigs 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 reaching this power, then the distance between two fixtures are adjusted to 150mm, then stretched.It is repeated 10 times, measurement safety
Take the distance between two mark lines.The upper and lower position of fixture be it is fixed, by the setting of initial value, direct driving motor (DDR) 1 is logical
Cross included absolute value encoder automatic collection position, velocity information, force value information acquired by pressure sensor, the load time by
PLC control.Operator only need to test position and rate request by touch screen input can be completed test desired position,
The requirement of speed, time and number of repetition, and will monitor in real time, the information of feedback is shown by touch screen, and can be directed to
Different samples works out different programs, only need to select different program numbers that can quickly carry out corresponding test.
It is all according to similar change made by above-mentioned design the above is only specific embodiments of the present invention, the present invention ought to be belonged to
Range.
Claims (2)
1. a kind of device for testing safety belt of baby carriage and restraint system reliability, it is characterized in that: the test device is equipped with directly
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 bracket, and ball screw lower end covers upper bearing (metal), and 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 rod locking gasket ring,
Screw rod locking nut adjusts bearing clearance by bearing block and bearing gland, and ball screw top is connected by key and direct driving motor
Integrally, entire high-speed silent formula lead screw pair and lifting part, control ball screw rotation are constituted;Three linear bearings are fixed on
On liftable mounting plate, slided up and down on linear bearing guide rod, ball nut and ball screw cooperate, liftable mounting plate by with
Ball nut is fixed together, and is converted to moving up and down for liftable mounting plate with ball screw;S doubly-linked pass pressure
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-linked pass pressure sensor lower end is connected with upper Quick clamping fixture, and lower Quick clamping fixture is fixed on upper substrate
On;Lower installation board is mounted on upper substrate, and entire bracket is stood on pedestal;Upper substrate by aluminum profile and lower substrate, metal plate,
Lower margin forms entire base;Touch screen and button are mounted on the base by stamping holes;Direct driving motor passes through included absolute value
Encoder automatic collection location information and velocity information, and position control and speed control, driving are carried out by intelligent driver
Device is equipped with encoder, and intelligent driver is connected to power supply line and connects external PLC system and control computer PC, and control computer PC is set
There is touch screen;Into after test interface, external PLC system acquires various kinds test data, draws trial curve in real time, finds out automatically
Each test parameters and output report are presented data on the touchscreen, the test safety belt of baby carriage and restraint system reliability
Device high-low limit position be equipped with close to switch, guarantee that equipment will not overtravel operation.
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 of sample (28) are separately fixed at
On upper Quick clamping fixture and lower Quick clamping fixture, by operation touch-screen, make the belt length between two fixtures
200mm, and respectively draw a line and make marks on safety belt along clamping opening;The distance between two jigs are 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 the distance between two fixtures are adjusted to 150mm, then stretched, be repeated 10 times, measure two mark lines on safety belt
Between distance;The upper and lower position of fixture be it is fixed, by the setting of initial value, direct driving motor passes through included absolute encoder
Device automatic collection position, velocity information acquire force value information by pressure sensor, and the load time is controlled by PLC;Operator couple
Test position and rate request can be completed by touch screen input tests desired position, speed, time and number of repetition
It is required that and will real time monitoring, the information of feedback is shown by touch screen, and different journeys can be worked out for different samples
Sequence selects different program numbers that can quickly carry out corresponding test.
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 CN107966301A (en) | 2018-04-27 |
| CN107966301B true CN107966301B (en) | 2019-06-21 |
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| 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 |
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| CN (1) | CN107966301B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102211274B1 (en) | 2019-06-18 | 2021-02-03 | 현대로템 주식회사 | Measuring Apparatus of Wearing Robot Assistive Force |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (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 |
-
2017
- 2017-11-18 CN CN201711151189.4A patent/CN107966301B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102211274B1 (en) | 2019-06-18 | 2021-02-03 | 현대로템 주식회사 | Measuring Apparatus of Wearing Robot Assistive Force |
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| CN107966301A (en) | 2018-04-27 |
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