CN204730993U - A kind of impulse test pick-up unit - Google Patents
A kind of impulse test pick-up unit Download PDFInfo
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- CN204730993U CN204730993U CN201520390437.0U CN201520390437U CN204730993U CN 204730993 U CN204730993 U CN 204730993U CN 201520390437 U CN201520390437 U CN 201520390437U CN 204730993 U CN204730993 U CN 204730993U
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Abstract
The utility model relates to a kind of impulse test pick-up unit, comprise impact structure and detection means, impact structure is arranged on above detection means, impact structure is connected with control device, the periphery of control device is provided with suspension hook, control device is for controlling the folding of suspension hook hook tip, control device comprises forked plectrum wheel, forked plectrum wheel is ellipsoid shape, the center rotating of forked plectrum wheel is connected with declutch shift shaft, forked plectrum wheel is connected with shift fork handle, pick-up unit also comprises height adjusting equipment, height adjusting equipment comprises travel switch push rod, travel switch push rod is provided with rule, the top of travel switch push rod is provided with travel switch push rod head, the top of travel switch push rod head is provided with travel switch, travel switch push rod head is for triggering travel switch, adopt pick-up unit of the present utility model can the analog operation place falling object impulse test that can produce, the qualification of quick test protective articles.
Description
Technical field
The utility model relates to a kind of pick-up unit, is applicable to shock resistance and the anti-puncture performance of testing product, is particularly useful for the shock resistance and the anti-puncture performance that detect protective articles fast, specifically, relates to a kind of impulse test pick-up unit.
Background technology
Various Labor protection shoes, protective helmet etc. are the articles for use preventing falling object from injuring health by a crashing object, have safety protection function.Along with the progress of society, the safety guarantee of various workmen is also by pay attention to day by day, Labor protection shoes and the crash helmet of various brand band steel plate also get more and more, in order to check the qualification of its quality, need to carry out shock resistance detection and anti-puncture detection to it, current many production firms and user lack corresponding detection means.
Some users are in order to detect, conventional means manually apply various forms impulsive force to detected product, knock as adopted iron hammer, obtain testing result, but the size of power is uncontrollable, detection mode is science not, also can bring certain danger when iron hammer knocks the ganoid objects such as safety helmet.
Utility model content
Technical problem to be solved in the utility model is for above deficiency, a kind of impulse test pick-up unit is provided, can be used for the impact of the falling object that analog operation place can produce, the qualification of quick test protective articles, can't detect a minute and can complete an of protective articles; The size of percussion power is controlled, and accuracy rate is high; Applied widely, test shock height can be adjustable within the scope of 0 ~ 1.5m, and test shock load is adjustable within the scope of 50 ~ 500 kg; Safety coefficient is high, there is not the unexpected phenomenon injured by a crashing object and occurs; And structure is simple, easy to operate, save artificial.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of impulse test pick-up unit, is characterized in that: described pick-up unit comprises impact structure and detection means, and impact structure is arranged on above detection means.
A kind of prioritization scheme, described impact structure is connected with control device, and the periphery of control device is provided with suspension hook, and suspension hook is provided with two, and two suspension hooks are symmetrical arranged centered by control device, and control device is for controlling the folding of suspension hook hook tip.
Another kind of prioritization scheme, described control device comprises forked plectrum wheel, and forked plectrum wheel is ellipsoid shape, and the center rotating of forked plectrum wheel is connected with declutch shift shaft, and forked plectrum wheel is connected with shift fork handle.
Another prioritization scheme, described pick-up unit also comprises height adjusting equipment, height adjusting equipment comprises travel switch push rod, travel switch push rod is provided with rule, the outside of travel switch push rod is provided with stroke height reading mouth, the side of stroke height reading mouth is fixedly installed stroke height pointer, and travel switch push rod can move up and down, for adjusting the height of drop of impact structure.
Further prioritization scheme, the top of described travel switch push rod is provided with travel switch push rod head, and the top of travel switch push rod head is provided with travel switch, and travel switch push rod head is for triggering travel switch.
Further prioritization scheme, the both sides of described impact structure are respectively equipped with guidepost, and impact structure rolls with guidepost and is connected.
Further prioritization scheme, described suspension hook and impact structure removably connect.
Further prioritization scheme, described detection means comprises test board, and the top of test board is provided with test impact head, and the periphery of test board and test impact head is respectively equipped with security protection component.
Further prioritization scheme, described travel switch is electrically connected with motor, and motor is electrically connected with switch board, and switch board is for manipulating the rotating of motor.
Further prioritization scheme, described motor is in transmission connection by chain and impact structure.
The utility model adopts above technical scheme, compared with prior art, have the following advantages: pick-up unit comprises impact structure and detection means, impact structure is arranged on above detection means, impact structure is connected with control device, the periphery of control device is provided with suspension hook, control device is for controlling the folding of suspension hook hook tip, control device comprises forked plectrum wheel, forked plectrum wheel is ellipsoid shape, the center rotating of forked plectrum wheel is connected with declutch shift shaft, forked plectrum wheel is connected with shift fork handle, pick-up unit also comprises height adjusting equipment, height adjusting equipment comprises travel switch push rod, travel switch push rod is provided with rule, the top of travel switch push rod is provided with travel switch push rod head, the top of travel switch push rod head is provided with travel switch, travel switch push rod head is for triggering travel switch, adopt pick-up unit of the present utility model can the analog operation place falling object impulse test that can produce, the qualification of quick test protective articles, and have the following advantages:
1) dependable performance, controls the folding of suspension hook by shifting fork mechanism, and then realizes the connection with weight, and suspension hook close to hang with weight be connected after there is auto-lock function, easy to operate, reliability 100%;
2) structure is simple, and easy to operate, driven by motor weight rises to certain altitude along guidepost, and freely falling body completes impulse test;
3) security is high, and whole experimentation only needs operating personnel's action button to complete, and manually knocks the uncertain danger brought before having abandoned;
4) fast easy to detect, can't detect a minute and can complete an of protective articles;
5) according to the difference of tested object, as the difference of safety helmet, Labor protection shoes, face guard, can realize by using different test impact heads, simple and fast.
6) size of percussion power is controlled, and accuracy rate is high; Applied widely, test shock height in the utility model embodiment can be adjustable within the scope of 0 ~ 1.5m, test shock load is adjustable within the scope of 50 ~ 500 kg, easily the length adjusting travel switch push rod can be needed to expand test shock height scope according to detecting.
Below in conjunction with drawings and Examples, the utility model is described in detail.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of pick-up unit in the utility model embodiment;
Accompanying drawing 2 is another structural representations of the pick-up unit in the utility model embodiment;
Accompanying drawing 3 is structural representations of control device in the utility model embodiment.
In figure,
1-base, 2-test board, 3-tests impact head, 4-guide housing, 5-orienting sleeve, 6-weight, 7-underbeam, 8-suspension hook, 9-upper beam, 10-declutch shift shaft, 11-guidepost, 12-motor, 13-travel switch, 14-travel switch push rod head, 15-travel switch push rod, 16-forked plectrum wheel, 17-stroke height pointer, 18-stroke height reading opening, 19-shift fork handle, 20-roller, 21-column, 22-upper shield, 23-chain, 24-counterbalance weight, 25-lower shield, 26-angle sheave, 27-top braces component, 28-suspension ring.
Embodiment
Embodiment, as shown in Figure 1, Figure 2 and Figure 3, a kind of impulse test pick-up unit, comprise frame, frame comprises base 1, base 1 is fixedly connected with column 21, the upper end of column 21 is fixedly connected with top braces component 27, be provided with two guideposts, 11, two guideposts 11 between top braces component 27 and base 1 to be arranged in parallel, and be vertically fixedly connected with respectively at base 1.
Impact structure is provided with between two guideposts 11, impact structure can move up and down along guidepost 11, detection means is provided with below impact structure, article to be detected are placed in detection means, discharge according to after testing requirement adjustment impact structure height, impact structure freely falling body is to detection means, and then the shock resistance realizing article to be detected detects.
Detection means comprises test board 2, test board 2 is arranged on base 1, the periphery of test board 2 is provided with guide housing 4, the top of test board 2 is provided with test impact head 3, test impact head 3 runs through guide housing 4, the head of test impact head 3 is positioned at the cavity of guide housing 4, and test impact head 3 periphery outside guide housing 4 is set with orienting sleeve 5.
The periphery of test member is provided with lower shield 25.
Impact structure comprises weight 6, weight 6 is arranged on directly over test impact head 3, and weight 6 is connected with the guidepost 11 of both sides by underbeam 7, is provided with roller 20 between underbeam 7 and guidepost 11, roller 20 can along guidepost 11 scroll-up/down, and weight 6 upper end center is fixed with suspension ring 28.
Weight arrangement for adjusting height is provided with above weight 6, weight arrangement for adjusting height comprises upper beam 9, upper beam 9 is arranged between two guideposts 11, be provided with angle sheave 26 between the both sides of upper beam 9 and guidepost 11, angle sheave 26 can along guidepost 11 scroll-up/down, and the middle part of upper beam 9 is hinged with suspension hook 8, suspension hook 8 is provided with two, two suspension hooks 8 are oppositely arranged, and suspension hook 8 coordinates with suspension ring 28, for slinging or discharging weight 6.
Control device is provided with between two suspension hooks 8, control device comprises forked plectrum wheel 16, forked plectrum wheel 16 is in ellipsoid shape, the center of forked plectrum wheel 16 is provided with declutch shift shaft 10, forked plectrum wheel 16 can rotate around declutch shift shaft 10, forked plectrum wheel 16 is connected with shift fork handle 19, the rotation realizing forked plectrum wheel 16 is can be used for by handling shift fork handle 19, and then realize the folding of suspension hook 8, suspension hook folding control device adopts the structure in the present embodiment, have that structure is simple, dependable performance ground advantage, handle the folding that shift fork handle 19 easily can realize suspension hook 8, success ratio 100%.
The side of upper beam 9 is provided with height adjusting equipment, height adjusting equipment comprises travel switch push rod 15, travel switch push rod 15 is provided with rule, the outside of travel switch push rod 15 is provided with stroke height reading mouth 18, stroke height reading mouth 18 is arranged on upper beam 9, the side of stroke height reading mouth 18 is fixedly installed stroke height pointer 17, the height reading travel switch push rod 15 is can be used for through stroke height reading mouth 18 and stroke height pointer 17, travel switch push rod 15 can move up and down, for adjusting the height of drop of weight 6, the upper end of travel switch push rod 15 is provided with travel switch push rod head 14.
The top of travel switch push rod head 14 is provided with travel switch 13, travel switch 13 is arranged on the bottom surface of top braces component 27, travel switch 13 is electrically connected with motor 12, motor 12 is arranged on above top braces component 27, motor 12 is connected with chain 23, one end of chain 23 is fixedly connected with upper beam 9, and the other end of chain 23 is connected with counterbalance weight 24.
Motor 12 is electrically connected with switch board, and switch board for manipulating the rotating of motor 12, and then realizes moving up and down of upper beam 9.
In order to attractive in appearance, the periphery of motor 12 is provided with upper shield 22.
When adopting pick-up unit of the present utility model to detect, comprise the following steps:
1, the height being calculated weight 6 freely falling body by physical equation is first needed.
According to formula: F*t=m*v, wherein v=(2gh) ^1/2, m be the weight of weight 6, F is impulsive force used.According to Labor protection shoes protection relevant regulations impacted object and duration of contact of vamp be: t=0.366s.The height of drop h of weight 6 can be calculated.
2, mention test impact head 3, article to be detected are placed on test board 2, make test impact head 3 touch the position of tested article needs detection.
3, select the weight 6 of certain mass, be arranged on underbeam 7, by suspension hook 8, weight 6 blocked.After calculating height of drop h, by stroke height pointer 17 and stroke height reading opening 18, adjustment stroke switch plunger 15, determines that the scale of travel switch push rod 15 is h.
4, starting switch on the controller, upper beam 9 and underbeam 7 are pulled upwardly by motor 12 chain drive-belt 23 jointly, and when travel switch push rod head 14 touches travel switch 13, motor 12 is out of service, and the height that now weight 6 is pulled up is h.
5, by lower shift fork handle 19, suspension hook 8 opens, and weight 6 loses pulling force, free-falling together with underbeam 7, and after the h height of whereabouts, weight 6 impact test impact head 3, test impact head 3 pairs of test items impact.
6, control motor 12 on the controller to reverse, upper beam 9 falls, and weight 6 blocks by suspension hook 8 automatically, then controls motor 12 by upper beam 9 and underbeam 7 pull-up.
7, take out detected article, analyze, thus whether be out of shape, rupture, the experimental result such as pierce through.
For different detected article, test impact head can be designed as various shape.Also test impact head can be taken off, tested article are placed on test board, directly use weight to carry out impulse test.
The above is the citing of the utility model preferred forms, and the part wherein do not addressed in detail is the common practise of those of ordinary skill in the art.Protection domain of the present utility model is as the criterion with the content of claim, and any equivalent transformation carried out based on technology enlightenment of the present utility model, also within protection domain of the present utility model.
Claims (10)
1. an impulse test pick-up unit, is characterized in that: described pick-up unit comprises impact structure and detection means, and impact structure is arranged on above detection means;
Described impact structure is connected with control device, and the periphery of control device is provided with suspension hook (8), and control device is for controlling the folding of suspension hook (8) hook tip;
Described detection means comprises test board (2), and the top of test board (2) is provided with test impact head (3).
2. a kind of impulse test pick-up unit as claimed in claim 1, is characterized in that: described suspension hook (8) is provided with two, two suspension hooks (8) are symmetrical arranged centered by control device.
3. a kind of impulse test pick-up unit as claimed in claim 2, it is characterized in that: described control device comprises forked plectrum wheel (16), forked plectrum wheel (16) is in ellipsoid shape, and the center rotating of forked plectrum wheel (16) is connected with declutch shift shaft (10), and forked plectrum wheel (16) is connected with shift fork handle (19).
4. a kind of impulse test pick-up unit as claimed in claim 1, it is characterized in that: described pick-up unit also comprises height adjusting equipment, height adjusting equipment comprises travel switch push rod (15), travel switch push rod (15) is provided with rule, the outside of travel switch push rod (15) is provided with stroke height reading mouth (18), the side of stroke height reading mouth (18) is fixedly installed stroke height pointer (17), travel switch push rod (15) can move up and down, for adjusting the height of drop of impact structure.
5. a kind of impulse test pick-up unit as claimed in claim 4, it is characterized in that: the top of described travel switch push rod (15) is provided with travel switch push rod head (14), the top of travel switch push rod head (14) is provided with travel switch (13), and travel switch push rod head (14) is for triggering travel switch (13).
6. a kind of impulse test pick-up unit as claimed in claim 1, is characterized in that: the both sides of described impact structure are respectively equipped with guidepost (11), and impact structure rolls with guidepost (11) and is connected.
7. a kind of impulse test pick-up unit as claimed in claim 2, is characterized in that: described suspension hook (8) and impact structure removably connect.
8. a kind of impulse test pick-up unit as claimed in claim 1, is characterized in that: the periphery of described test board (2) and test impact head (3) is respectively equipped with security protection component.
9. a kind of impulse test pick-up unit as claimed in claim 5, it is characterized in that: described travel switch (13) is electrically connected with motor (12), motor (12) is electrically connected with switch board, and switch board is for manipulating the rotating of motor (12).
10. a kind of impulse test pick-up unit as claimed in claim 9, is characterized in that: described motor (12) is in transmission connection by chain (24) and impact structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520390437.0U CN204730993U (en) | 2015-06-09 | 2015-06-09 | A kind of impulse test pick-up unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520390437.0U CN204730993U (en) | 2015-06-09 | 2015-06-09 | A kind of impulse test pick-up unit |
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| Publication Number | Publication Date |
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| CN204730993U true CN204730993U (en) | 2015-10-28 |
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| CN201520390437.0U Active CN204730993U (en) | 2015-06-09 | 2015-06-09 | A kind of impulse test pick-up unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051229A (en) * | 2017-12-21 | 2018-05-18 | 芜湖恒隆汽车转向系统有限公司 | The safe shock table of automobile steering system |
| CN109489929A (en) * | 2018-11-19 | 2019-03-19 | 张万香 | A kind of crash helmet security detection machine |
| CN113324857A (en) * | 2021-05-28 | 2021-08-31 | 长安大学 | Freeze-broken hook for heavy hammer drop weight impact test device and use method |
-
2015
- 2015-06-09 CN CN201520390437.0U patent/CN204730993U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051229A (en) * | 2017-12-21 | 2018-05-18 | 芜湖恒隆汽车转向系统有限公司 | The safe shock table of automobile steering system |
| CN109489929A (en) * | 2018-11-19 | 2019-03-19 | 张万香 | A kind of crash helmet security detection machine |
| CN109489929B (en) * | 2018-11-19 | 2020-09-18 | 唐山双安安全防护制品有限公司 | Safety helmet safety detection machine |
| CN113324857A (en) * | 2021-05-28 | 2021-08-31 | 长安大学 | Freeze-broken hook for heavy hammer drop weight impact test device and use method |
| CN113324857B (en) * | 2021-05-28 | 2023-03-28 | 长安大学 | Freeze-broken hook for heavy hammer drop weight impact test device and use method |
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