CN113567105A - Low-temperature-falling-resistant performance testing device for anti-dazzle plate - Google Patents
Low-temperature-falling-resistant performance testing device for anti-dazzle plate Download PDFInfo
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- CN113567105A CN113567105A CN202111019477.0A CN202111019477A CN113567105A CN 113567105 A CN113567105 A CN 113567105A CN 202111019477 A CN202111019477 A CN 202111019477A CN 113567105 A CN113567105 A CN 113567105A
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- antiglare shield
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- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 230000033001 locomotion Effects 0.000 claims abstract description 27
- 230000000737 periodic effect Effects 0.000 claims abstract description 19
- 238000006073 displacement reaction Methods 0.000 claims abstract description 9
- 230000006698 induction Effects 0.000 claims description 9
- 230000009191 jumping Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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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
- G01M13/00—Testing of machine parts
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A low-temperature falling resistance testing device for an anti-dazzle plate comprises a test board, a telescopic mechanism and an adjusting mechanism, wherein the anti-dazzle plate to be tested is placed on the test board, the anti-dazzle plate to be tested is supported by the telescopic mechanism, the ground clearance of the anti-dazzle plate to be tested is controlled by the adjusting mechanism, the adjusting mechanism is a crank-slider mechanism realizing periodic reciprocating motion, and the anti-dazzle plate to be tested is placed on a slider; controlling the ground clearance of the antiglare shield to be tested by adjusting the displacement of the positive stroke or the negative stroke of the periodic reciprocating motion; the position where the antiglare panel to be tested is dropped is a limit position of the periodic reciprocating motion. The invention replaces the static position in the existing test system with the limit position of the periodic reciprocating motion, thereby realizing the rapid measurement of a large number of samples; the test of the falling performance can be realized only by placing the sample on the sliding block and stepping on the pedal, meanwhile, the test error caused by objective factors is reduced, and the accuracy of the test result is improved.
Description
Technical Field
The invention relates to a device for testing low-temperature falling resistance of an anti-dazzle plate.
Background
In the existing specification GB/T24718-2009 antiglare shield, the test on the low-temperature drop resistance of the antiglare shield requires that an antiglare shield sample with the length of 500mm is placed in a low-temperature test box, the temperature is reduced to minus 40 +/-3 ℃, the sample is taken out after being subjected to constant temperature regulation for 2 hours, the part, 1m parallel to the ground, of the plate surface freely falls to the hard ground, and the observation sample is free from cracking and breakage.
The existing falling performance testing device mostly utilizes a telescopic mechanism and an adjusting mechanism, utilizes the telescopic mechanism to support and enable an anti-dazzle plate to fall, utilizes the adjusting mechanism to adjust the height of the plate surface parallel to the ground, and certainly further comprises a level instrument to detect the levelness, the falling performance testing device needs to be repeatedly adjusted after being used to enable the plate surface to be parallel, and the device for quickly testing the falling performance is needed due to the time and labor consumption when a large number of samples need to be tested.
Disclosure of Invention
The invention aims to solve the problems and provide a device for testing the low-temperature falling resistance of the anti-dazzle plate.
In order to achieve the purpose, the invention is realized by the following technical scheme: a low-temperature falling resistance testing device for an anti-dazzle plate comprises a test board, a telescopic mechanism and an adjusting mechanism, wherein the anti-dazzle plate to be tested is placed on the test board, the anti-dazzle plate to be tested is supported by the telescopic mechanism, the ground clearance of the anti-dazzle plate to be tested is controlled by the adjusting mechanism, the adjusting mechanism is a crank-slider mechanism realizing periodic reciprocating motion, and the anti-dazzle plate to be tested is placed on a slider; controlling the ground clearance of the antiglare shield to be tested by adjusting the displacement of the positive stroke or the negative stroke of the periodic reciprocating motion; the position where the antiglare panel to be tested is dropped is a limit position of the periodic reciprocating motion.
Furthermore, the crank-slider mechanism comprises a cross track, an adjusting slider, a driven connecting rod and a driving connecting rod; the adjusting slide block and the slide block are respectively positioned on two mutually vertical tracks of the cross track; the track of the slide block is positioned in the vertical direction, and one side of the slide block is provided with a telescopic mechanism for placing the antiglare shield to be tested; the lower part of the cross-shaped track is fixed on the test board through a support rod; the adjusting slide block and the slide block are respectively hinged on the connecting rod heads at two sides of the driven connecting rod; one side of the driving connecting rod is hinged with the middle position of the driven connecting rod, and the other side of the driving connecting rod is hinged with the flywheel; the flywheel drives the driving connecting rod to do circular motion, so that the adjusting slide blocks and the slide blocks arranged at the two ends of the driven connecting rod respectively realize periodic reciprocating motion on respective tracks.
Furthermore, the crank slide block mechanisms are arranged on two sides and are symmetrically arranged on the test board respectively; the anti-dazzle plate to be tested is arranged between the two groups of crank slide block mechanisms; the weight of the adjusting slide block is increased to reduce the vibration of the crank slide block mechanism, so that the antiglare shield to be tested does not deviate when moving up and down.
Furthermore, the flywheel is connected with belt pulleys through a belt, the two groups of belt pulleys are coaxially arranged, a pedal plate is arranged on one side of the shaft, and the flywheel is driven to rotate through the driving pedal plate.
Particularly, the telescopic mechanism is arranged in the sliding block and comprises a supporting plate and a triangular driving plate; the inside of the sliding block is hollow, and two sides of the supporting plate are fixed in the sliding block; a telescopic slide rail is arranged above the supporting plate; the telescopic sliding block is arranged on the telescopic sliding rail in a sliding manner and is used for placing one end of the anti-dazzle plate to be tested; one corner of the triangular driving plate is fixed on the supporting plate through a bearing, one corner of the triangular driving plate is hinged to a jumping point shaft the bottom of which is fixed on the bearing seat, and the other corner of the triangular driving plate is hinged to the induction rod; the bearing seat is limited in the sliding block groove, and the bearing seat can move up and down in the sliding block groove; the slider groove is fixed on one side of the telescopic slider, and the upper part of the induction rod is limited in the length of the induction rod in the slider by arranging a limit block; the slider is worn out to the response pole top, and when the inside top of cross track was supported to the response pole top, thereby the rotatory jump point displacement of realization bearing frame in the slider groove realizes the back-and-forth movement of flexible slider of drive triangle drive plate.
In conclusion, the invention has the following beneficial effects: the invention replaces the static position in the existing test system with the limit position of the periodic reciprocating motion, thereby realizing the rapid measurement of a large number of samples; the anti-dazzle plate to be tested can be tested by only placing a sample on the sliding block and stepping the pedal, the adjusting sliding block is strengthened, and the anti-dazzle plate to be tested does not deviate when moving up and down by reducing the vibration of the slider-crank mechanism, so that the test error caused by objective factors is reduced, and the accuracy of the test result is improved.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the telescoping mechanism of the present invention;
FIG. 4 is a schematic view of the slider slot structure of the present invention.
Detailed Description
The invention will be further described in detail with reference to examples of embodiments shown in the drawings to which, however, the invention is not restricted.
Referring to FIGS. 1-4, the present invention is directed to a method for performing rapid measurements of a large number of samples, so that the rest position of the conventional testing system is replaced by the limit position of the periodic reciprocating motion, which includes the top dead center and the bottom dead center of the reciprocating motion (the top dead center is discussed as an example below)
The following settings are set:
a kind of antiglare shield resists the performance testing arrangement that falls of the low temperature, it includes test bed 100, telescoping mechanism 200 and regulating mechanism 300, the antiglare shield 400 to be tested is put on test bed 100, support the antiglare shield 400 to be tested through the telescoping mechanism 200, utilize the regulating mechanism 300 to control the height of ground clearance of the antiglare shield 100 to be tested, the regulating mechanism 300 is the crank slide block mechanism to realize the periodic reciprocating motion, the antiglare shield 400 to be tested is put on slide block 301; controlling the ground clearance of the dazzle prevention plate 400 to be tested by adjusting the displacement of the positive stroke or the negative stroke of the periodic reciprocating motion; the position where the falling of the antiglare panel 400 to be tested is realized is a limit position of the periodic reciprocating motion; under the condition that the length of a connecting rod of the crank-slider mechanism is known, the limit position of periodic reciprocating motion is fixed, the speed of the connecting rod at the limit position is 0, the crank-slider mechanism is suitable for mass measurement of samples, and in an original static measurement system, each sample needs to be leveled and is to be static (when the height is adjusted), so that a large amount of time is wasted;
the following is a crank block mechanism's implementation mode, and wherein adjust the slider and do not take place the skew when reducing the vibration realization examination antiglare shield up-and-down displacement of crank block mechanism, certainly for the balance between two sets of crank block mechanisms, as follows the setting: the crank-slider mechanism comprises a cross track 302, an adjusting slider 303, a slider 301, a driven connecting rod 304 and a driving connecting rod 305; the adjusting slide block 303 and the slide block 301 are respectively positioned on two mutually vertical tracks of the cross track 302; the track of the slide block 301 is positioned in the vertical direction, and one side of the slide block 301 is provided with a telescopic mechanism 200 for placing the antiglare shield 400 to be tested; the lower part of the cross rail 302 is fixed on the test bench 100 through a support rod 306; the adjusting slide block 302 and the slide block 301 are respectively hinged on the connecting rod heads at two sides of the driven connecting rod 304; one side of the driving connecting rod 305 is hinged with the middle position of the driven connecting rod 304, and the other side is hinged with the flywheel 307; the flywheel 307 drives the driving connecting rod 305 to do circular motion, so that the adjusting slide block 303 and the slide block 301 which are arranged at two ends of the driven connecting rod 304 respectively realize periodic reciprocating motion on respective tracks; the flywheel 307 is connected with belt pulleys 308 through a belt, the two groups of belt pulleys 308 are coaxially arranged, one side of the shaft is provided with a pedal 309, and the rotation of the flywheel is realized by driving the pedal 309; the provision of foot pedal 309 greatly reduces the time required to measure the sample.
In order to adapt to the shape of the antiglare shield to be tested, the crank-slider mechanisms are arranged on two sides and are respectively and symmetrically arranged on the test bench 100; the antiglare shield 400 to be tested is placed between the two groups of slider-crank mechanisms; the vibration of the crank-slider mechanism is reduced by increasing the weight of the adjusting slider 303, so that the antiglare shield to be tested does not deviate when moving up and down.
As for the arrangement of the telescopic mechanism, an electromagnetic telescopic device can be used for triggering, but unnecessary trouble is caused because the electromagnetic telescopic device needs to be electrified, so that the telescopic mechanism is realized by the displacement of the jumping point position of the rotary motion of the link mechanism, and the following arrangement is adopted:
the telescopic mechanism 200 is arranged in the slide block 301 and comprises a support plate 201 and a triangular drive plate 202; the slide block 301 is hollow, and two sides of the support plate 201 are fixed in the slide block 301; a telescopic slide rail 210 is arranged above the supporting plate 201; the telescopic sliding block 203 is arranged on the telescopic sliding rail 210 in a sliding manner, and the telescopic sliding block 203 is used for placing one end of the antiglare shield 400 to be tested; one corner of a triangular driving plate 202 is fixed on a supporting plate 201 through a bearing 204, one corner is hinged on a jumping point shaft 206 with the bottom fixed on a bearing seat 205, and the other corner is hinged on an induction rod 207; the bearing seat 205 is limited in the slider groove 208, and the bearing seat 205 can move up and down in the slider groove 208; the slide block slot 208 is fixed at one side of the telescopic slide block 202, and the upper part of the induction rod 207 is limited at the length of the induction rod 207 in the slide block 301 through a limit block 209; the slider 301 is worn out to the sensing rod 207 top, and when the sensing rod 207 top supported cross track 302 inside top, the rotatory back-and-forth movement that realizes the jump point displacement of bearing frame 205 in the slider groove of drive triangle drive plate 202 realized flexible slider 203, and simultaneously when the slider returned, the sensing rod rose, drives triangle drive plate 202 rotatory and then realizes that the jump point of bearing frame 205 in the slider groove returns.
The above-mentioned embodiments are only for convenience of description, and are not intended to limit the present invention in any way, and those skilled in the art will understand that the technical features of the present invention can be modified or changed by other equivalent embodiments without departing from the scope of the present invention.
Claims (5)
1. The utility model provides a low temperature resistant falling performance testing arrangement of antiglare shield, it includes testboard, telescopic machanism and adjustment mechanism, on the testboard was placed to the antiglare shield that awaits measuring, supported the antiglare shield that awaits measuring through telescopic machanism, utilized adjustment mechanism control await measuring the height from ground of antiglare shield, its characterized in that: the adjusting mechanism is a crank-slider mechanism realizing periodic reciprocating motion, and the antiglare shield to be tested is placed on the slider; controlling the ground clearance of the antiglare shield to be tested by adjusting the displacement of the positive stroke or the negative stroke of the periodic reciprocating motion; the position where the antiglare panel to be tested is dropped is a limit position of the periodic reciprocating motion.
2. The device for testing the low-temperature drop resistance of an antiglare shield according to claim 1, wherein: the crank sliding block mechanism comprises a cross track, an adjusting sliding block, a driven connecting rod and a driving connecting rod; the adjusting slide block and the slide block are respectively positioned on two mutually vertical tracks of the cross track; the track of the slide block is positioned in the vertical direction, and one side of the slide block is provided with a telescopic mechanism for placing the antiglare shield to be tested; the lower part of the cross-shaped track is fixed on the test board through a support rod; the adjusting slide block and the slide block are respectively hinged on the connecting rod heads at two sides of the driven connecting rod; one side of the driving connecting rod is hinged with the middle position of the driven connecting rod, and the other side of the driving connecting rod is hinged with the flywheel; the flywheel drives the driving connecting rod to do circular motion, so that the adjusting slide blocks and the slide blocks arranged at the two ends of the driven connecting rod respectively realize periodic reciprocating motion on respective tracks.
3. The device for testing the low-temperature drop resistance of an antiglare shield according to claim 2, wherein: the crank sliding block mechanisms are arranged on two sides and are symmetrically arranged on the test board respectively; the anti-dazzle plate to be tested is arranged between the two groups of crank slide block mechanisms; the weight of the adjusting slide block is increased to reduce the vibration of the crank slide block mechanism, so that the antiglare shield to be tested does not deviate when moving up and down.
4. The device for testing the low-temperature drop resistance of an antiglare shield according to claim 2, wherein: the flywheel is connected with belt pulleys through a belt, the two groups of belt pulleys are coaxially arranged, a pedal plate is arranged on one side of the shaft, and the flywheel rotates by driving the pedal plate.
5. The device for testing the low-temperature drop resistance of an antiglare shield according to claim 2, wherein: the telescopic mechanism is arranged in the sliding block and comprises a supporting plate and a triangular driving plate; the inside of the sliding block is hollow, and two sides of the supporting plate are fixed in the sliding block; a telescopic slide rail is arranged above the supporting plate; the telescopic sliding block is arranged on the telescopic sliding rail in a sliding manner and is used for placing one end of the anti-dazzle plate to be tested; one corner of the triangular driving plate is fixed on the supporting plate through a bearing, one corner of the triangular driving plate is hinged to a jumping point shaft the bottom of which is fixed on the bearing seat, and the other corner of the triangular driving plate is hinged to the induction rod; the bearing seat is limited in the sliding block groove, and the bearing seat can move up and down in the sliding block groove; the slider groove is fixed on one side of the telescopic slider, and the upper part of the induction rod is limited in the length of the induction rod in the slider by arranging a limit block; the slider is worn out to the response pole top, and when the inside top of cross track was supported to the response pole top, thereby the rotatory jump point displacement of realization bearing frame in the slider groove realizes the back-and-forth movement of flexible slider of drive triangle drive plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111019477.0A CN113567105B (en) | 2021-09-01 | 2021-09-01 | Anti-dazzle board low temperature resistant performance testing arrangement that falls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111019477.0A CN113567105B (en) | 2021-09-01 | 2021-09-01 | Anti-dazzle board low temperature resistant performance testing arrangement that falls |
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| Publication Number | Publication Date |
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| CN113567105A true CN113567105A (en) | 2021-10-29 |
| CN113567105B CN113567105B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111019477.0A Active CN113567105B (en) | 2021-09-01 | 2021-09-01 | Anti-dazzle board low temperature resistant performance testing arrangement that falls |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026447A (en) * | 2022-08-11 | 2022-09-09 | 苏州弘皓光电科技有限公司 | Metal raw material laser cutting equipment for industrial temperature detector processing production |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB269165A (en) * | 1926-04-09 | 1927-09-29 | Francisco Rodero | Anti-dazzle device for motor cars |
| WO2013004105A1 (en) * | 2011-07-06 | 2013-01-10 | 浙江华电器材检测研究所 | Self-locking reliability testing machine for speed difference falling preventing device |
| KR20150095381A (en) * | 2014-02-13 | 2015-08-21 | 삼성중공업 주식회사 | Test apparatus of drill apparatus |
| CN108871741A (en) * | 2018-04-28 | 2018-11-23 | 上海齐耀动力技术有限公司 | A kind of Subzero valve low-temperature test clamping device and its method |
| CN111122326A (en) * | 2020-01-10 | 2020-05-08 | 湖南旺轩科技有限公司 | Fatigue load testing machine for anti-dazzle plate |
| CN111413080A (en) * | 2020-04-17 | 2020-07-14 | 广州冠粤路桥检测有限公司 | Anti-dazzle board detection test device |
| CN211576798U (en) * | 2020-01-10 | 2020-09-25 | 湖南旺轩科技有限公司 | Fatigue load testing machine for anti-dazzle plate |
| CN212844312U (en) * | 2020-09-03 | 2021-03-30 | 徐州金岳锁业有限公司 | Make things convenient for electric lock life-span testing arrangement of centre gripping |
| CN212871670U (en) * | 2020-07-20 | 2021-04-02 | 湖南联智科技股份有限公司 | Falling performance testing device |
-
2021
- 2021-09-01 CN CN202111019477.0A patent/CN113567105B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB269165A (en) * | 1926-04-09 | 1927-09-29 | Francisco Rodero | Anti-dazzle device for motor cars |
| WO2013004105A1 (en) * | 2011-07-06 | 2013-01-10 | 浙江华电器材检测研究所 | Self-locking reliability testing machine for speed difference falling preventing device |
| KR20150095381A (en) * | 2014-02-13 | 2015-08-21 | 삼성중공업 주식회사 | Test apparatus of drill apparatus |
| CN108871741A (en) * | 2018-04-28 | 2018-11-23 | 上海齐耀动力技术有限公司 | A kind of Subzero valve low-temperature test clamping device and its method |
| CN111122326A (en) * | 2020-01-10 | 2020-05-08 | 湖南旺轩科技有限公司 | Fatigue load testing machine for anti-dazzle plate |
| CN211576798U (en) * | 2020-01-10 | 2020-09-25 | 湖南旺轩科技有限公司 | Fatigue load testing machine for anti-dazzle plate |
| CN111413080A (en) * | 2020-04-17 | 2020-07-14 | 广州冠粤路桥检测有限公司 | Anti-dazzle board detection test device |
| CN212871670U (en) * | 2020-07-20 | 2021-04-02 | 湖南联智科技股份有限公司 | Falling performance testing device |
| CN212844312U (en) * | 2020-09-03 | 2021-03-30 | 徐州金岳锁业有限公司 | Make things convenient for electric lock life-span testing arrangement of centre gripping |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026447A (en) * | 2022-08-11 | 2022-09-09 | 苏州弘皓光电科技有限公司 | Metal raw material laser cutting equipment for industrial temperature detector processing production |
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| CN113567105B (en) | 2024-03-12 |
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