CN104729821A - Drop test stand - Google Patents
Drop test stand Download PDFInfo
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- CN104729821A CN104729821A CN201510131048.0A CN201510131048A CN104729821A CN 104729821 A CN104729821 A CN 104729821A CN 201510131048 A CN201510131048 A CN 201510131048A CN 104729821 A CN104729821 A CN 104729821A
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- falling
- switch
- test stand
- contact sets
- driving mechanism
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- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 230000003068 static effect Effects 0.000 claims abstract description 4
- 230000007423 decrease Effects 0.000 claims description 14
- 230000000630 rising effect Effects 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention relates to the technical field of drop test equipment, in particular to a drop test stand. The falling test bed comprises a support, a falling mechanism and a driving mechanism for driving the falling mechanism to slide along the support, and is characterized in that a power device of the driving mechanism moves under the control of a control device; the control device comprises an automatic switch, a stop switch and an inching switch; the automatic switch is turned on to control the driving mechanism to move to a specified position; the inching switch is turned on to finely adjust the position of the driving mechanism when the driving mechanism is static; the stop switch is used for braking the driving mechanism when the driving mechanism operates. The falling test bed can conveniently adjust the height of the falling device and has higher test efficiency.
Description
Technical field
The present invention relates to drop test equipment technical field, particularly relate to a kind of falling test stand.
Background technology
The result of package fall-down test detects the important indicator that splendid attire is dangerous, the package of fragile goods is transported safely.This detection completes on packaging piece drop machine.Specifically package to be measured is risen to predetermined altitude, make it by predetermined state free-falling, bump against with impact table top, then judge that whether package is qualified according to the appearance deformation degree of damage of tested package and the state of content.
At present at Packaging experimentation room falling test stand, first setting height value on meter counter is needed during " E " type frame adjustable height, and " E " type frame can't realize crawl to rise, decline, automatic rising, down maneuver, it can only be automatic rising, crawl declines, be not easy to adjustment E type fork height, any action (comprising stopping action) can not be operated after starting vertical motion, dropping table " E " type frame starts to rise, until arrive setting value can stop action, be not easy to after highly there is deviation again adjust, and during down maneuver reset, need again manually always according to decline key (point operation control), when falling differing heights, need repeatedly to revise arrange control height, rise, declining does not reach most perfect condition, can not carry out height control correction at any time, falling height does not reach most perfect condition, and manual operations trouble, work efficiency is very low.
For the problems referred to above, we need one can carry out height control easily, have the falling test stand of higher testing efficiency.
Summary of the invention
The object of the invention is to propose a kind of falling test stand, it can carry out height control easily, has higher testing efficiency.
For reaching this object, the present invention by the following technical solutions:
A kind of falling test stand, comprise support, falling mechanism, and for driving falling mechanism along the driving mechanism of described bracket slide, it is characterized in that, the propulsion system of described driving mechanism move under control of the control means;
Described control device comprises automatic switch, shutdown switch and point driving switch;
The unlatching of described automatic switch moves to assigned address for controlling driving mechanism;
The fine setting of position when the unlatching of described point driving switch is static for driving mechanism;
Described shutdown switch is used for braking it when driving mechanism runs.
As a kind of preferred version of above-mentioned falling test stand, described control device comprises propulsion system relay, for controlling vertical relay and the down relay of propulsion system relay on-off electricity, described vertical relay comprises the first coil, the first contact sets and the second contact sets, described first contact sets has been arranged in parallel rising point driving switch, and the second contact sets has been arranged in parallel rising automatic switch;
Down relay includes the second coil, the 3rd contact sets and the 4th contact sets, and described 3rd contact sets has been arranged in parallel decline point driving switch, and the 4th contact sets has been arranged in parallel decline automatic switch;
Also comprise the position detecting device arranged with the first coil and the second coils connected in series, described position detecting device controls the "on" position of the first coil and the second coil according to its position.
As a kind of preferred version of above-mentioned falling test stand, described position detecting device is meter counter.
As a kind of preferred version of above-mentioned falling test stand, also comprise the ultrasonic sensor be electrically connected with described meter counter.
As a kind of preferred version of above-mentioned falling test stand, described ultrasonic sensor is also put and is connected with counter.
As a kind of preferred version of above-mentioned falling test stand, described falling mechanism comprises support platform, and is arranged on the clamping device on support platform top.
As a kind of preferred version of above-mentioned falling test stand, described clamping device comprises cross bar, and is slidably arranged on the locating piece on cross bar, and described locating piece can position in the optional position of its sliding scale.
As a kind of preferred version of above-mentioned falling test stand, described locating piece is provided with the groove structure for positioning test specimen.
Beneficial effect of the present invention is: the application, by the control of control device to driving mechanism, can realize crawl within the scope of high measure and rise, declines, rising, down maneuver automatically; And in rising, in decline operational process, can stop motion at any time, and rise by crawl or decline after stop motion and carry out the adjustment of height, thereby, it is possible to carry out falling device height control easily, and there is higher testing efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the falling test stand that the specific embodiment of the invention provides;
Fig. 2 is the falling test stand control circuit schematic diagram that the specific embodiment of the invention provides.
Wherein:
1: support; 2: falling mechanism; 3: driving mechanism; 4: the first coils; 5: the first contact sets; 6: the second contact sets; 7: rising point driving switch; 8: rising automatic switch; 9: the second coils; 10: the three contact sets; 11: the four contact sets; 12: decline point driving switch; 13: decline automatic switch; 14: meter counter; 15: counter; 16: shutdown switch;
21: support platform; 22: clamping device.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, present embodiments provide for a kind of falling test stand, this falling test stand comprises support 1, falling mechanism 2, and the driving mechanism 3 for driving falling mechanism 2 to slide along support 1, wherein, the propulsion system of driving mechanism 3 move under control of the control means.
Concrete, control device comprises automatic switch, shutdown switch 16 and point driving switch, wherein, the unlatching of automatic switch moves to assigned address for controlling driving mechanism, the fine setting of position when the unlatching of point driving switch is static for driving mechanism, shutdown switch 16 is for braking it when driving mechanism runs.
Concrete further, control device comprises propulsion system relay, this propulsion system relay is for controlling the power on/off of propulsion system, and for the vertical relay that controls propulsion system relay on-off electricity and down relay, vertical relay comprises the first coil 4, first contact sets 5 and the second contact sets 6, first contact sets 5 has been arranged in parallel rising point driving switch 7, second contact sets 6 and has been arranged in parallel rising automatic switch 8;
Down relay includes the second coil 9, the 3rd contact sets 10 and the 4th contact sets the 11, three contact sets 10 and has been arranged in parallel decline point driving switch the 12, four contact sets 11 and has been arranged in parallel decline automatic switch 13.
Control device also comprises the position detecting device be arranged in series with the first coil 4 and the second coil 9, and position detecting device controls the "on" position of the first coil 4 and the second coil 9 according to its position.
Concrete position detecting device is meter counter 14, and meter counter 14 first coil 4 and the second coil 9 are arranged in series, and for control the first coil 4 and the second coil 9 to the electricity time.Concrete, when rising automatic switch 8 closes, meter counter 14 according to setting lifting height control the first coil 4 give electricity the time, by control the first coil 4 to the electricity time so that realize the closure time of control second contact sets 6, final realize controlling propulsion system relay to the electricity time.Thus, can the lifting height of control falling mechanism 2 of robotization.When decline automatic switch 13 closes, Altitude control second coil 9 that meter counter 14 declines as required give electricity the time, by control the second coil 9 to the electricity time so that realize the closure time of control the 4th contact sets 11, final realize controlling propulsion system relay to the electricity time.Thus, the falling head of falling mechanism 2 can be controlled.
Under Non-follow control state, when the first contact sets 5 is under the control of rising point driving switch 7 during conducting, can realize controlling propulsion system relay to the electricity time, thus, the lifting height of Non-follow control falling mechanism 2 can be realized.
When the 3rd contact sets 10 is under the control of decline point driving switch 12, can realize controlling propulsion system relays to the electricity time, thus, the falling head of Non-follow control falling mechanism 2 can be realized.
Shutdown switch 16 is normally closed switch, and when shutdown switch 16 is opened, whole control circuit is in off state, thus, and propulsion system relay meeting power-off, falling mechanism 2 stop motion.
Control device, also comprises the ultrasonic sensor be electrically connected with meter counter 14.Meanwhile, ultrasonic sensor is also put and is connected with counter 15.Meter counter 14 sum counter 15 can produce corresponding numerical value according to the detection signal of ultrasonic sensor.
Falling mechanism 2 comprises support platform 21, and is arranged on the clamping device 22 on support platform top.
Concrete, clamping device 22 comprises cross bar, and is slidably arranged on the locating piece on cross bar, and locating piece can position in the optional position of its sliding scale.
Test specimen to be measured is clamped between support platform 21 and clamping device 22, and comprises cross bar due to clamping device 22 and can slide along cross bar and the locating piece of locating.Locating piece is at the main position limiting structure of clamping test specimen to be measured, by the position of running fix block, falling mechanism can be made to be applicable to the clamping of the test specimen to be measured of different size.
Treating the stability of test block clamping in order to improve locating piece, locating piece being provided with the groove structure for positioning test specimen.
Falling of low mechanism to complete under the manipulation of drop switch.
Above-mentioned driving mechanism 3 can be lift cylinder, feed screw nut telecontrol equipment, and wherein the propulsion system of lift cylinder are oil motor, and the propulsion system of feed screw nut telecontrol equipment are drive motor.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (8)
1. a falling test stand, comprise support (1), falling mechanism (2), and the driving mechanism (3) for driving falling mechanism (2) to slide along described support (1), it is characterized in that, the propulsion system of described driving mechanism (3) move under control of the control means;
Described control device comprises automatic switch, shutdown switch (16) and point driving switch;
The unlatching of described automatic switch moves to assigned address for controlling driving mechanism;
The fine setting of position when the unlatching of described point driving switch is static for driving mechanism;
Described shutdown switch (16) is for braking it when driving mechanism runs.
2. falling test stand according to claim 1, it is characterized in that, described control device comprises propulsion system relay, for controlling vertical relay and the down relay of propulsion system relay on-off electricity, described vertical relay comprises the first coil (4), the first contact sets (5) and the second contact sets (6), described first contact sets (5) has been arranged in parallel rising point driving switch (7), and the second contact sets (6) has been arranged in parallel rising automatic switch (8);
Down relay includes the second coil (9), the 3rd contact sets (10) and the 4th contact sets (11), described 3rd contact sets (10) has been arranged in parallel decline point driving switch (12), and the 4th contact sets (11) has been arranged in parallel decline automatic switch (13);
Also comprise the position detecting device be arranged in series with the first coil (4) and the second coil (9), described position detecting device controls the "on" position of the first coil (4) and the second coil (9) according to its position.
3. falling test stand according to claim 2, is characterized in that, described position detecting device is meter counter (14).
4. falling test stand according to claim 3, is characterized in that, also comprises the ultrasonic sensor be electrically connected with described meter counter (14).
5. falling test stand according to claim 4, is characterized in that, described ultrasonic sensor is also put and is connected with counter (15).
6. falling test stand according to claim 1, is characterized in that, described falling mechanism (2) comprises support platform (21), and is arranged on the clamping device (22) on support platform (21) top.
7. falling test stand according to claim 6, is characterized in that, described clamping device (22) comprises cross bar, and is slidably arranged on the locating piece on cross bar, and described locating piece can position in the optional position of its sliding scale.
8. falling test stand according to claim 7, is characterized in that, described locating piece is provided with the groove structure for positioning test specimen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131048.0A CN104729821A (en) | 2015-03-24 | 2015-03-24 | Drop test stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131048.0A CN104729821A (en) | 2015-03-24 | 2015-03-24 | Drop test stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104729821A true CN104729821A (en) | 2015-06-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510131048.0A Pending CN104729821A (en) | 2015-03-24 | 2015-03-24 | Drop test stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104729821A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612669A (en) * | 2018-12-03 | 2019-04-12 | 西安交通大学 | Fuel assembly falling test stand and operating method |
| CN110849570A (en) * | 2019-11-29 | 2020-02-28 | 格力电器（武汉）有限公司 | Drop test device and control method |
| CN113029490A (en) * | 2021-03-13 | 2021-06-25 | 东莞市弘腾自动化智能科技有限公司 | Drop test frame for testing safety performance of detonator explosive |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202501970U (en) * | 2012-02-06 | 2012-10-24 | 惠州Tcl移动通信有限公司 | Multi-direction adjustable micro fall test machine |
| CN202522393U (en) * | 2012-03-16 | 2012-11-07 | 浙江吉利汽车研究院有限公司 | Dummy head calibration test bench |
| US20130213113A1 (en) * | 2012-02-20 | 2013-08-22 | Hon Hai Precision Industry Co., Ltd. | Impact testing device |
| CN203606097U (en) * | 2013-11-05 | 2014-05-21 | 上海紫日包装有限公司 | Plastic bottle drop test machine |
| CN204165732U (en) * | 2014-11-14 | 2015-02-18 | 中华人民共和国顺德出入境检验检疫局 | Full-automatic drop test device |
| CN204612886U (en) * | 2015-03-24 | 2015-09-02 | 珠海格力电器股份有限公司 | Drop test stand |
-
2015
- 2015-03-24 CN CN201510131048.0A patent/CN104729821A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202501970U (en) * | 2012-02-06 | 2012-10-24 | 惠州Tcl移动通信有限公司 | Multi-direction adjustable micro fall test machine |
| US20130213113A1 (en) * | 2012-02-20 | 2013-08-22 | Hon Hai Precision Industry Co., Ltd. | Impact testing device |
| CN202522393U (en) * | 2012-03-16 | 2012-11-07 | 浙江吉利汽车研究院有限公司 | Dummy head calibration test bench |
| CN203606097U (en) * | 2013-11-05 | 2014-05-21 | 上海紫日包装有限公司 | Plastic bottle drop test machine |
| CN204165732U (en) * | 2014-11-14 | 2015-02-18 | 中华人民共和国顺德出入境检验检疫局 | Full-automatic drop test device |
| CN204612886U (en) * | 2015-03-24 | 2015-09-02 | 珠海格力电器股份有限公司 | Drop test stand |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612669A (en) * | 2018-12-03 | 2019-04-12 | 西安交通大学 | Fuel assembly falling test stand and operating method |
| CN110849570A (en) * | 2019-11-29 | 2020-02-28 | 格力电器（武汉）有限公司 | Drop test device and control method |
| CN113029490A (en) * | 2021-03-13 | 2021-06-25 | 东莞市弘腾自动化智能科技有限公司 | Drop test frame for testing safety performance of detonator explosive |
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Application publication date: 20150624 |
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| RJ01 | Rejection of invention patent application after publication |