CN211317686U - Unhooking traction mechanism and double-arm drop test tester - Google Patents
Unhooking traction mechanism and double-arm drop test tester Download PDFInfo
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- CN211317686U CN211317686U CN201922377283.2U CN201922377283U CN211317686U CN 211317686 U CN211317686 U CN 211317686U CN 201922377283 U CN201922377283 U CN 201922377283U CN 211317686 U CN211317686 U CN 211317686U
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- spring
- sliding seat
- telescopic tongue
- unhooking
- electromagnet
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Abstract
The utility model belongs to drop test equipment field has especially related to an unhook drive mechanism and have this kind of unhook drive mechanism's both arms drop test tester. The unhooking traction mechanism comprises a supporting plate, an electromagnet, a telescopic tongue, a first spring, a second spring and a sliding seat; the electromagnet and the sliding seat are fixed on the supporting plate; the telescopic tongue is connected to the sliding seat in a sliding mode, a waist-shaped hole is formed in the first end of the telescopic tongue, a connecting pin is arranged at the movable end of the electromagnet, and the connecting pin penetrates through the waist-shaped hole; the first spring is connected between the movable end of the electromagnet and the sliding seat and is stretched, the telescopic tongue is provided with a butting part, the butting part is positioned between the first end of the telescopic tongue and the sliding seat, and the second spring is compressed between the butting part and the sliding seat; the pulling force generated by the first spring is greater than the rebounding force generated by the second spring. The unhooking traction mechanism and the double-arm drop test tester have the advantages of long service life and high stability.
Description
Technical Field
The utility model belongs to drop test equipment field has especially related to an unhook drive mechanism and have this kind of unhook drive mechanism's both arms drop test tester.
Background
Drop testing is an important test established to ensure the safety of packages during transport, and can be performed on a drop tester. There are both arms drop test tester among the prior art, like the novel both arms drop test tester that chinese utility model patent ZL2017201262621 disclosed, it includes that two can follow the falling of horizontality down turning over the board, before the test, the package is dropped and is turned over the board bearing, later two fall turn over the board and down turn over simultaneously, the package falls to accomplish the test, nevertheless, foretell both arms drop test tester exists following problem:
in order to change the falling turning plate from a horizontal state to a downward turning state, a mechanism is required to support and relieve the falling turning plate, therefore, the tester is provided with an electromagnet, a stretching lever and an oil locking telescopic tongue, and the falling turning plate is supported and relieved by matching of the components. However, the hinge joint of the stretching lever and the machine body is stressed greatly, after the stretching lever is used for a long time, the hinge joint is easy to deform or damage, the service life of the equipment is shortened, the tester cannot work normally after the hinge joint deforms or is damaged, and the stability is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an unhook drive mechanism, its stability is high, still provides a both arms drop test tester that has this kind of unhook drive mechanism simultaneously, has higher stability.
In order to achieve one of the above purposes, the utility model provides a unhooking traction mechanism, which comprises a support plate, an electromagnet, a telescopic tongue, a first spring, a second spring and a sliding seat; the electromagnet and the sliding seat are fixed on the supporting plate; the telescopic tongue is connected to the sliding seat in a sliding mode, a waist-shaped hole is formed in the first end of the telescopic tongue, a connecting pin is arranged at the movable end of the electromagnet, and the connecting pin penetrates through the waist-shaped hole; the first spring is connected between the movable end of the electromagnet and the sliding seat and is stretched, the telescopic tongue is provided with a butting part, the butting part is positioned between the first end of the telescopic tongue and the sliding seat, and the second spring is compressed between the butting part and the sliding seat; the pulling force generated by the first spring is greater than the rebounding force generated by the second spring.
Furthermore, the abutting portion is a gasket arranged on the peripheral surface of the telescopic tongue, the second spring is sleeved on the peripheral surface of the telescopic tongue, and the gasket abuts against the second spring.
Furthermore, the gasket is sleeved on the peripheral surface of the telescopic tongue, the telescopic tongue is provided with a pin hole, the pin hole is provided with a positioning pin, and the positioning pin abuts against the gasket.
Further, the second end of the telescopic tongue is hinged with a roller.
Further, the sliding seat is connected with a fixed column, and the first spring is connected between the fixed column and the connecting pin.
In order to reach two of foretell objects, the utility model also provides a both arms drop test tester, the platform that falls including frame, operating system and two relative settings, operating system connects the frame with fall between the platform, it includes the lifter plate and articulates to fall of lifter plate turns over the board, and it still includes foretell unhook drive mechanism, unhook drive mechanism installs the lifter plate is right fall and turn over the board and carry out bearing and the bearing of removing.
Compared with the prior art, the unhooking traction mechanism provided by the utility model has the advantages that the tensile lever and the hinge point are not required to be arranged, the problem of deformation or damage of the hinge point in the prior art is avoided, and the service life is long; and it can guarantee the stretching out and withdrawing action normal clear of flexible tongue through reasonable structure setting, and stability is high. After having set up foretell unhook drive mechanism, the utility model provides a both arms drop test tester has longer life and the advantage of higher stability.
Drawings
Fig. 1 is a schematic perspective view of a unhooking traction mechanism of the present invention;
fig. 2 is a partial enlarged view at a of fig. 1;
fig. 3 is the three-dimensional structure schematic diagram of the dual-arm drop test tester of the utility model.
[ description of reference ]
1-a support plate;
2-electromagnet, 21-connecting pin;
3-telescopic tongue, 31-waist-shaped hole, 32-gasket, 33-positioning pin and 34-roller;
4-a first spring;
5-a second spring;
6-sliding seat and 61-fixing column;
7-a frame;
8-a lifting system;
9-falling platform
10-unhooking traction mechanism.
Detailed Description
The present invention will be described in detail with reference to the following specific examples.
The utility model provides an unhooking traction mechanism, as shown in figures 1 and 2, which comprises a support plate 1, an electromagnet 2, a telescopic tongue 3, a first spring 4, a second spring 5 and a sliding seat 6; the electromagnet 2 and the sliding seat 6 are fixed on the supporting plate 1; the telescopic tongue 3 is connected to the sliding seat 6 in a sliding manner, a waist-shaped hole 31 is formed in the first end of the telescopic tongue 3, a connecting pin 21 is arranged at the movable end of the electromagnet 2, and the connecting pin 21 penetrates through the waist-shaped hole 31; the first spring 4 is connected between the movable end of the electromagnet 2 and the sliding seat 6 and is stretched, the telescopic tongue 3 is provided with a butting part, the butting part is positioned between the first end of the telescopic tongue 3 and the sliding seat 6, and the second spring 5 is compressed between the butting part and the sliding seat 6; the pulling force generated by the first spring 4 is greater than the rebounding force generated by the second spring 5.
Based on the structure, under the condition that the electromagnet 2 is powered off, under the tension of the first spring 4, the movable end of the electromagnet 2 extends outwards, and the movable end of the electromagnet 2 drives the telescopic tongue 3 to extend outwards; when the telescopic tongue 3 needs to retract, the electromagnet 2 is electrified, the movable end of the electromagnet 2 retracts, the movable end of the electromagnet 2 pulls the telescopic tongue 3 back, and the telescopic tongue 3 retracts, so that the stretching and retracting actions of the telescopic tongue 3 can be controlled.
And in order to guarantee the stability of the action of withdrawing of flexible tongue 3, the utility model discloses be provided with waist type hole 31 at the first end of flexible tongue 3, and set up second spring 5, the pulling force of first spring 4 is greater than the bounce of second spring 5, make the existence of second spring 5 can not influence flexible tongue 3 and stretch out under the state that electro-magnet 2 loses electricity, and set up second spring 5 and after top, under the bounce of second spring 5, can make the distal end side (the right-hand member side of waist type hole 31 in the picture) of the first end of keeping away from flexible tongue 3 of waist type hole 31 push up connecting pin 21 tightly, after electro-magnet 2 got electricity, the live end of electro-magnet 2 withdraws, the live end of electro-magnet 2 can drive connecting pin 21 at first and move to near section side (the left end side of waist type hole 31 in the picture) from the distal end side of waist type hole 31 (the right-hand member side of waist type hole 31 in the picture), this makes connecting pin 21 can contact near section side (the waist type hole 31 in the picture of waist type hole 31 with the mode of striking (the left end side of waist type hole 31 Right end side face) to make the telescopic tongue 3 change from the static state to the motion state more easily, overcome all kinds of frictional force more easily, guarantee the stability of the action of withdrawing of telescopic tongue 3.
Therefore, the unhooking traction mechanism does not need to be provided with a stretching lever and a hinge point, does not have the problem of deformation or damage of the hinge point in the prior art, and has long service life; and it can guarantee that the stretching out and withdrawing action of the telescopic tongue 3 is normally carried out through reasonable structure arrangement, and the stability is high.
In this embodiment, the abutting portion is a pad 32 disposed on the outer peripheral surface of the telescopic tongue 3, the second spring 5 is sleeved on the outer peripheral surface of the telescopic tongue 3, and the pad 32 abuts against the second spring 5. Preferably, the gasket 32 is sleeved on the outer peripheral surface of the telescopic tongue 3, the telescopic tongue 3 is provided with a pin hole, a positioning pin 33 is fixed on the pin hole, and the positioning pin 33 abuts against the gasket 32. The second spring 5 is compressed between the abutting portion and the sliding seat 6 by the above-described structure. Naturally, it is also possible to provide a fixed pin directly on the tongue 3 to form the abutment, similar alternatives also falling within the scope of protection of the invention.
In this embodiment, the second end of the telescopic tongue 3 is hinged with a roller 34. The arrangement of the roller 34 can change the friction between the telescopic tongue 3 and the external falling turning plate from sliding friction to rolling friction, reduce the friction force and reduce the abrasion of the parts of the equipment.
In the present embodiment, the sliding seat 6 is connected with the fixed column 61, and the first spring 4 is connected between the fixed column 61 and the connecting pin 21. Through setting up fixed column 61 and connecting pin 21, realize connecting first spring 4 between the expansion end of electro-magnet 2 and sliding seat 6, of course, also the lug connection of first spring 4 is between the expansion end of electro-magnet 2 and sliding seat 6, and similar replacement also falls into the utility model discloses an in the protection scope.
The utility model also provides a both arms drop test tester, as shown in fig. 3, it includes frame 7, operating system 8 and two relative settings fall platform 9, and operating system 8 connects in frame 7 and falls between platform 9, falls platform 9 and includes the lifter plate and articulate the falling of lifter plate and turn over the board, and it still includes the utility model provides an unhook drive mechanism 10, unhook drive mechanism 10 installs and turns over the board and carry out bearing and desorption bearing at the lifter plate and to falling. After the unhooking traction mechanism 10 is arranged, the utility model provides a both arms drop test tester has the advantage of longer life and higher stability.
The features of the embodiments and embodiments described above may be combined with each other without conflict.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a unhook drive mechanism which characterized in that: comprises a supporting plate, an electromagnet, a telescopic tongue, a first spring, a second spring and a sliding seat;
the electromagnet and the sliding seat are fixed on the supporting plate;
the telescopic tongue is connected to the sliding seat in a sliding mode, a waist-shaped hole is formed in the first end of the telescopic tongue, a connecting pin is arranged at the movable end of the electromagnet, and the connecting pin penetrates through the waist-shaped hole;
the first spring is connected between the movable end of the electromagnet and the sliding seat and is stretched, the telescopic tongue is provided with a butting part, the butting part is positioned between the first end of the telescopic tongue and the sliding seat, and the second spring is compressed between the butting part and the sliding seat;
the pulling force generated by the first spring is greater than the rebounding force generated by the second spring.
2. The unhooking traction mechanism of claim 1, wherein: the abutting part is a gasket arranged on the peripheral surface of the telescopic tongue, the second spring is sleeved on the peripheral surface of the telescopic tongue, and the gasket abuts against the second spring.
3. The unhooking traction mechanism of claim 2, wherein: the gasket is sleeved on the peripheral surface of the telescopic tongue, the telescopic tongue is provided with a pin hole, and the pin hole is provided with a positioning pin which abuts against the gasket.
4. The unhooking traction mechanism of claim 1, wherein: the second end of the telescopic tongue is hinged with a roller.
5. The unhooking traction mechanism according to any one of claims 1 to 4, characterized in that: the sliding seat is connected with a fixed column, and the first spring is connected between the fixed column and the connecting pin.
6. A double-arm drop test tester comprises a rack, a lifting system and two oppositely arranged drop platforms, wherein the lifting system is connected between the rack and the drop platforms, each drop platform comprises a lifting plate and a drop turning plate hinged to the lifting plate, and the double-arm drop test tester is characterized by further comprising a unhooking traction mechanism according to any one of claims 1 to 5, wherein the unhooking traction mechanism is installed on the lifting plate and used for supporting and releasing the drop turning plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922377283.2U CN211317686U (en) | 2019-12-26 | 2019-12-26 | Unhooking traction mechanism and double-arm drop test tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922377283.2U CN211317686U (en) | 2019-12-26 | 2019-12-26 | Unhooking traction mechanism and double-arm drop test tester |
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| Publication Number | Publication Date |
|---|---|
| CN211317686U true CN211317686U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922377283.2U Active CN211317686U (en) | 2019-12-26 | 2019-12-26 | Unhooking traction mechanism and double-arm drop test tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607370A (en) * | 2021-09-05 | 2021-11-05 | 广州美亦丰试验设备有限公司 | Double-arm drop test machine |
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2019
- 2019-12-26 CN CN201922377283.2U patent/CN211317686U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607370A (en) * | 2021-09-05 | 2021-11-05 | 广州美亦丰试验设备有限公司 | Double-arm drop test machine |
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