CN104913911A - Automobile safety belt retractor endurance test device - Google Patents
Automobile safety belt retractor endurance test device Download PDFInfo
- Publication number
- CN104913911A CN104913911A CN201410586171.7A CN201410586171A CN104913911A CN 104913911 A CN104913911 A CN 104913911A CN 201410586171 A CN201410586171 A CN 201410586171A CN 104913911 A CN104913911 A CN 104913911A
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- safety belt
- rolling disc
- swing
- coiler
- pendulous device
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Abstract
The invention discloses an automobile safety belt retractor endurance test device. The device comprises an experiment table rack. The experiment table rack is provided with a driving apparatus, a rotation apparatus, a swing apparatus, a safety belt and a retractor. The driving apparatus drives the rotation apparatus to rotate. The rotation apparatus is connected to the swing apparatus. The safety belt is arranged in the retractor and is connected to the swing apparatus. A swing amplitude of the swing apparatus is greater than a retracting force of the retractor. By using the automobile safety belt retractor endurance test device, a constant speed motor is used to drive a rotary disc to rotate so as to drive a swing shaft to swing from left to right. A tensile endurance experiment of a retractor safety belt during normal usage and under an emergent state is simulated. A reliable basis is provided for making an endurance safety belt retractor with good endurance and high quality. The structure of the test device is simple, operation is convenient and an experiment effect is good.
Description
Technical field
The present invention relates to test unit technical field, especially relate to a kind of automobile safety belt retractor durability test apparatus.
Background technology
In automobile, securing band is important safety guard, and securing band is very high people with frequency of usage in car process, and for ensureing the normal of securing band, we must test to ensure that coiler can bear long-term use to Webbing retractor.But the equipment of long duration test in prior art, is not carried out for Webbing retractor, be necessary so design a equipment that can realize carrying out Webbing retractor long duration test.
Chinese patent literature (the day for announcing: on August 8th, 2012, notification number: CN102628753A) disclose the durability test apparatus of a kind of highly versatile, complete function, safety belt height adjuster easy to detect, comprise support and be installed on the test board on support, described test board is provided with the fixed mechanism for the fixing securing band be connected with height adjuster to be measured, test board is movably installed with the sample installing plate for fixing height adjuster to be measured; Test board is provided with drive division and displacement measurement portion at the side of sample installing plate, described sample installing plate is provided with press section, described sample installing plate is connected with drive division by force snesor, and can move in the adjustment direction along height adjuster to be measured under the drive of drive division; Described press section comprise cylinder mounting plate and be installed on cylinder mounting plate by air cylinder, the end of the described piston rod by air cylinder is connected with force snesor and knock-pin in turn, and described knock-pin is towards the button position of height adjuster to be measured; Displacement measurement portion of institute is a displacement transducer be connected with sample installing plate.
Chinese patent literature (the day for announcing: on March 12nd, 2014, notification number: CN203479539U) disclose a kind of securing band retracting power test unit, safety band retracting power test unit, comprise base and to be arranged on base and erecting frame in column, one end of erecting frame is provided with the coiler fixed mount for fixing Webbing retractor, the other end of erecting frame is provided with the guide ring mounting blocks for fixed guide ring, coiler fixed mount can along the axis of erecting frame relative to the translation of guide ring mounting blocks, the location structure one that coiler fixed mount can be positioned on erecting frame is provided with between coiler fixed mount and erecting frame, the location structure two that coiler fixed mount can be positioned on erecting frame is provided with between guide ring mounting blocks and erecting frame.
What technique scheme solved is existing securing band retracting force tester complex structure, regulates inconvenient problem.
Chinese patent literature (the day for announcing: on July 31st, 2013, notification number: CN203101041U) test unit of a kind of automobile safety belt retractor force-limit rod of openly knowing clearly, comprise base, base is fixed with positioning disk and circumference rotation is provided with rolling disc, positioning disk and rolling disc are oppositely arranged, positioning disk offers locating slot one on a side of rolling disc, rolling disc offers locating slot two on a side of positioning disk, rolling disc another side is provided with the actuating unit that can drive turn disc, the adjustment structure that can regulate positioning disk and rolling disc relative distance is provided with between positioning disk and base.
Technique scheme solve be existing Webbing retractor force-limit rod test unit exist can only test the problems such as a kind of force-limit rod of model.
Although technique scheme all relates to Webbing retractor, technique scheme cannot carry out endurancing to Webbing retractor, makes to improve Webbing retractor permanance.
Summary of the invention
The object of the invention is to solve the equipment not carrying out long duration test in prior art for Webbing retractor, thus cannot ensure that Webbing retractor has the problem of good permanance, and provide a kind of structure simple, easy to operate, experiment effect is good, effectively can complete the endurancing of Webbing retractor, the automobile safety belt retractor durability test apparatus of reliable basis is provided for making the high permanance Webbing retractor of good endurance quality.
The present invention realizes the technical scheme that its technical purpose adopts: a kind of automobile safety belt retractor durability test apparatus, comprise experimental stand, described experimental stand is provided with drive unit, wheelwork, pendulous device, securing band and coiler, described drive unit drives wheelwork to rotate, described wheelwork is connected with pendulous device, described securing band is arranged on coiler inside and is connected with pendulous device, and the amplitude of fluctuation of described pendulous device is greater than the retracting power of coiler.This automobile safety belt retractor durability test apparatus, be arranged on experimental stand, wheelwork is driven to rotate by drive unit, and then drive pendulous device, pendulous device swings and makes the securing band in coiler stretch and shrink, imitation automobile in the process of moving coiler securing band pulls out, also ceaselessly can carry out expanding-contracting action simultaneously, realize the action of coiler friction speed, steadily carry out to make belt extraction in coiler, namely wheelwork to drive in the action of pendulous device left and right and coiler securing band all at grade, can not cause not working because of securing band oblique pull when stretching securing band makes coiler work like this, and the amplitude of oscillation degree of pendulous device is greater than the retracting power of coiler, to realize the continuance test to coiler securing band, test out the permanance of coiler securing band, to facilitate the coiler securing band produced and there is permanance, this durability experiment apparatus structure is simple, easy to operate, good test effect.
As preferably, described wheelwork comprises rolling disc, connecting link, puller strap and last item, the card of described rolling disc is arranged perpendicular to the table top of experimental stand, one end of described connecting link and drive unit hinge, the other end of connecting link and rolling disc hinge, one end of described puller strap is fixedly connected with rolling disc, and the other end of puller strap is connected with pendulous device, described last item to be arranged between rolling disc and pendulous device and and last item be pressed on puller strap.Wheelwork is provided with rolling disc, connecting link, puller strap and last item, connecting link respectively with rolling disc and motor hinge, the rotating band of the motor bar that is dynamically connected drives turn disc, rolling disc then drives pendulous device to swing by puller strap, thus the stretching realized coiler securing band and contraction.The effect of last item is to make puller strap operationally, can be in same level with pendulous device, ensure that in the left and right action of driven by rotary disc pendulous device and coiler, securing band all at grade, can not cause not working because of securing band oblique pull when stretching securing band makes coiler work like this, thus affect experiment effect.
As preferably, puller strap take last item as the angle that summit is formed between rolling disc and pendulous device is 120 degree to 150 degree, and puller strap be connected with pendulous device a section is in being horizontally disposed with.Such structure can ensure the normal work of rotating disk and pendulous device, to make in the action of pendulous device left and right and coiler securing band all at grade.
As preferably, described pendulous device comprises axis of swing, tension axis and roll-up spindle, the lower end of described axis of swing and the bottom hinge of experimental stand, the upper end of described axis of swing exceed experimental stand table top and lower than the peak of rolling disc, the upper end of described axis of swing is provided with pull bar and runner, described puller strap is connected with pull bar, and roll-up spindle is crossed in described securing band winding and winding is walked around tension axis again and is connected with coiler on runner.Pendulous device arranges axis of swing, tension axis and roll-up spindle, axis of swing can be axle center i.e. rolling disc one side oscillation or to the right namely to coiler one side oscillation left with hinge point, realization is to the pull-out of coiler securing band and loosen, to test its permanance, the connection that runner is conveniently securing band and axis of swing is set, the setting of tension axis is to enable securing band present using state, simulates the constraint effect under normal service condition, ensures the accuracy detected.
As preferably, described tension axis is horizontally set on experiment table and the end edge being parallel to experiment table is arranged.Tension axis is horizontally set on structure such on experiment table and makes axis of swing when swinging, and can ensure that coiler securing band can both realize steadily stretching and shrinking, validation test effect under the state of different power.
As preferably, the axle center of described roll-up spindle and the axle center of rolling disc in same level, the axle center of described runner lower than rolling disc axle center and higher than the axle center of tension axis.The axle center of roll-up spindle and the axle center of rolling disc are in same level, such structure makes in stretching and contraction process, can be in same plane with coiler securing band, coiler belt extraction is steadily carried out, namely rolling disc drives the drawing plane of securing band in the operation plane at action place, axis of swing left and right and coiler all at grade, can not cause not working because of securing band oblique pull when stretching securing band makes coiler work like this, thus affect experiment effect.
As preferably, drive unit comprises drive motor and electric machine controller, and described drive motor is constant speed motor, and described electric machine controller is provided with fast shelves and slow shelves.The rotation of rolling disc is driven by constant speed motor, and electric machine controller is by motor furnishing two gears: one piece one slow, and the speed of motor can be selected according to the actual demand of test during test.
The invention has the beneficial effects as follows: this automobile safety belt retractor durability test apparatus, controlled by the speed shelves of constant speed motor, realization is moved the quick rotation of rolling disc and slow-speed, thus drive axis of swing to carry out swinging fast and slowly swinging, to simulate the tension durability experiment of coiler securing band when normally using and under the emergency circumstance, realize the continuous action that coiler is continual and steady, effectively can complete the endurancing of Webbing retractor, for the permanance Webbing retractor making good endurance quality high provides reliable basis, and this test unit structure is simple, easy to operate, experiment effect is good.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of automobile safety belt retractor durability test apparatus of the present invention;
In figure: 1, experimental stand, 2, drive unit, 3, wheelwork, 4, pendulous device, 5, securing band, 6, coiler, 7, rolling disc, 8, connecting link, 9, puller strap, 10, last item, 11, axis of swing, 12, runner, 13, tension axis, 14, roll-up spindle, 15, pull bar, 16, drive motor, 17, electric machine controller.
Embodiment
Also by reference to the accompanying drawings technical scheme of the present invention is described in further detail below by specific embodiment.
Embodiment 1:
In the embodiment shown in fig. 1, a kind of automobile safety belt retractor durability test apparatus, comprise experimental stand 1, experimental stand 1 is provided with drive unit 2, wheelwork 3, pendulous device 4, securing band 5 and coiler 6, drive unit 4 comprises drive motor 17 and electric machine controller 18, drive motor 17 is constant speed motor, electric machine controller 18 is provided with fast shelves and slow shelves, drive unit 2 drives wheelwork 3 to rotate, wheelwork 3 is connected with pendulous device 4, securing band 5 is arranged on coiler 6 inside and is connected with pendulous device 4, the amplitude of fluctuation of pendulous device 4 is greater than the retracting power of coiler 6.
Wheelwork 3 comprises rolling disc 7, connecting link 8, puller strap 9 and last item 10, the card of rolling disc 7 is arranged perpendicular to the table top of experimental stand 1, one end of connecting link 8 and drive unit 2 hinge, the other end of connecting link 8 and rolling disc 7 hinge, one end of puller strap 9 is fixedly connected with rolling disc 7, the other end of puller strap 9 is connected with pendulous device 4, last item 10 to be arranged between rolling disc 7 and pendulous device 4 and and last item 10 be pressed on puller strap 9.Puller strap 9 is the angle that summit is formed between rolling disc 7 and pendulous device 4 with last item 10 is 120 degree to 150 degree, and puller strap 9 be connected with pendulous device 4 a section is in being horizontally disposed with.
Pendulous device 4 comprises axis of swing 11, tension axis 13 and roll-up spindle 14, the lower end of axis of swing 11 and the bottom hinge of experimental stand 1, the upper end of axis of swing 11 exceed experimental stand 1 table top and lower than the peak of rolling disc 7, the upper end of axis of swing 1 is provided with pull bar 15 and runner 12, puller strap 9 is connected with pull bar 15, and securing band 5 winding is crossed roll-up spindle 14 winding and on runner 12, walked around tension axis 13 be again connected with coiler 6.Tension axis 13 is horizontally set on experimental stand 1 and the end edge being parallel to experimental stand 1 is arranged.The axle center of roll-up spindle 14 and the axle center of rolling disc 7 in same level, the axle center of runner 12 lower than rolling disc 7 axle center and higher than the axle center of tension axis 13.
This automobile safety belt retractor durability test apparatus, by imitate automobile in the process of moving coiler securing band pulled out and also ceaselessly can carry out expanding-contracting action simultaneously, realize the action of coiler friction speed, durability experiment is carried out to facilitate as automobile provides the coiler safety band product of good endurance, Improving The Quality of Products to coiler securing band.
This durability test apparatus is by the control of drive motor 16 pairs of rolling discs 7 thus pull axis of swing about 11 action, realize the continuous action that coiler 6 is continual and steady, primarily of component compositions such as drive motor 16, coiler 6, rolling discs 7, the rotation of rolling disc 7 is driven by motor, electric machine controller 17 is by motor furnishing two gears: one piece one slow, selects the speed of motor during test according to the actual demand of test.Drive motor 16 drives rolling disc 7 to rotate by connecting link 8, and the rotation of rolling disc 7 can drive axis of swing about 11 action, drives coiler securing band 5 stretch and shrink.Axis of swing 11 turn left action time, the securing band 5 in coiler is just in extended state, and when axis of swing 11 is toward the right action, the securing band 5 in coiler just becomes contraction state, realizes the long duration test of coiler and so forth.This test unit can regulate, steadily carry out to make securing band 5 in coiler stretch, namely rolling disc 7 drives the running face of securing band in the plane of rotation of axis of swing left and right action and coiler all at grade, can not cause not working because of securing band oblique pull when stretching securing band makes coiler work like this, thus affect test effect.The action of rolling disc 7, axis of swing 11, coiler securing band 5 is carried out along same plane, and the speed of Electric Machine Control rolling disc must be at the uniform velocity simultaneously can not be too fast, meet the job requirement of coiler.
This automobile safety belt retractor durability test apparatus, controlled by the speed shelves of constant speed motor, realization is moved the quick rotation of rolling disc and slow-speed, thus drive axis of swing to carry out swinging fast and slowly swinging, to simulate the tension durability experiment of coiler securing band when normally using and under the emergency circumstance, realize the continuous action that coiler is continual and steady, effectively can complete the endurancing of Webbing retractor, for the permanance Webbing retractor making good endurance quality high provides reliable basis, and this test unit structure is simple, easy to operate, experiment effect is good.
Claims (7)
1. an automobile safety belt retractor durability test apparatus, comprise experimental stand (1), it is characterized in that: described experimental stand (1) is provided with drive unit (2), wheelwork (3), pendulous device (4), securing band (5) and coiler (6), described drive unit (2) drives wheelwork (3) to rotate, described wheelwork (3) is connected with pendulous device (4), described securing band (5) is arranged on coiler (6) inside and is connected with pendulous device (4), the amplitude of fluctuation of described pendulous device (4) is greater than the retracting power of coiler (6).
2. a kind of automobile safety belt retractor durability test apparatus according to claim 1, it is characterized in that: described wheelwork (3) comprises rolling disc (7), connecting link (8), puller strap (9) and last item (10), the card of described rolling disc (7) is arranged perpendicular to the table top of experimental stand (1), one end of described connecting link (8) and drive unit (4) hinge, the other end of connecting link (8) and rolling disc (7) hinge, one end of described puller strap (9) is fixedly connected with rolling disc (7), the other end of puller strap (9) is connected with pendulous device (4), described last item (10) to be arranged between rolling disc (7) and pendulous device (4) and and last item (10) be pressed on puller strap (9).
3. a kind of automobile safety belt retractor durability test apparatus according to claim 2, it is characterized in that: puller strap (9) is with last item (10) for the angle that summit is formed between rolling disc (7) and pendulous device (4) is 120 degree to 150 degree, and puller strap (9) be connected with pendulous device (4) a section is in being horizontally disposed with.
4. a kind of automobile safety belt retractor durability test apparatus according to claim 2, it is characterized in that: described pendulous device (4) comprises axis of swing (11), tension axis (13) and roll-up spindle (14), the lower end of described axis of swing (11) and the bottom hinge of experimental stand (1), the upper end of described axis of swing (11) exceed experimental stand (1) table top and lower than the peak of rolling disc (7), the upper end of described axis of swing (11) is provided with pull bar (15) and runner (12), described puller strap (9) is connected with pull bar (15), roll-up spindle (14) is crossed in described securing band (5) winding and winding is walked around tension axis (13) again and is connected with coiler (6) on runner (12).
5. a kind of automobile safety belt retractor durability test apparatus according to claim 4, is characterized in that: described tension axis (13) is horizontally set on experimental stand (1) and goes up and the end edge setting being parallel to experimental stand (1).
6. a kind of automobile safety belt retractor durability test apparatus according to claim 5, it is characterized in that: the axle center of described roll-up spindle (14) and the axle center of rolling disc (7) in same level, the axle center of described runner (12) lower than rolling disc (7) axle center and higher than the axle center of tension axis (13).
7. a kind of automobile safety belt retractor durability test apparatus according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that: drive unit (4) comprises drive motor (16) and electric machine controller (17), described drive motor (16) is constant speed motor, and described electric machine controller (17) is provided with fast shelves and slow shelves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410586171.7A CN104913911A (en) | 2014-10-28 | 2014-10-28 | Automobile safety belt retractor endurance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410586171.7A CN104913911A (en) | 2014-10-28 | 2014-10-28 | Automobile safety belt retractor endurance test device |
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| Publication Number | Publication Date |
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| CN104913911A true CN104913911A (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410586171.7A Pending CN104913911A (en) | 2014-10-28 | 2014-10-28 | Automobile safety belt retractor endurance test device |
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| CN (1) | CN104913911A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404382A (en) * | 2016-11-22 | 2017-02-15 | 浙江万里安全器材制造有限公司 | Test stand for emergency locking of safety belt |
| CN108344635A (en) * | 2018-01-25 | 2018-07-31 | 余道逍 | A kind of auto parts and components performance detection apparatus |
| CN110763456A (en) * | 2019-12-13 | 2020-02-07 | 上海机动车检测认证技术研究中心有限公司 | Automobile safety belt rewinding durability testing machine |
| CN112362328A (en) * | 2020-11-12 | 2021-02-12 | 南京崴肯自动化设备科技有限公司 | Abnormal sound monitoring method in safety belt production process |
| CN110763456B (en) * | 2019-12-13 | 2024-06-04 | 上海机动车检测认证技术研究中心有限公司 | Automobile safety belt rollback endurance test machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404382A (en) * | 2016-11-22 | 2017-02-15 | 浙江万里安全器材制造有限公司 | Test stand for emergency locking of safety belt |
| CN108344635A (en) * | 2018-01-25 | 2018-07-31 | 余道逍 | A kind of auto parts and components performance detection apparatus |
| CN110763456A (en) * | 2019-12-13 | 2020-02-07 | 上海机动车检测认证技术研究中心有限公司 | Automobile safety belt rewinding durability testing machine |
| CN110763456B (en) * | 2019-12-13 | 2024-06-04 | 上海机动车检测认证技术研究中心有限公司 | Automobile safety belt rollback endurance test machine |
| CN112362328A (en) * | 2020-11-12 | 2021-02-12 | 南京崴肯自动化设备科技有限公司 | Abnormal sound monitoring method in safety belt production process |
| CN112362328B (en) * | 2020-11-12 | 2022-08-02 | 南京崴肯自动化设备科技有限公司 | Abnormal sound monitoring method in safety belt production process |
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