CN220304792U

CN220304792U - Drop test device

Info

Publication number: CN220304792U
Application number: CN202320113487.9U
Authority: CN
Inventors: 张�杰; 苏飞飞
Original assignee: Shenzhen Institute Of Quality And Safety Inspection And Testing
Current assignee: Shenzhen Institute Of Quality And Safety Inspection And Testing
Priority date: 2023-01-16
Filing date: 2023-01-16
Publication date: 2024-01-05
Anticipated expiration: 2033-01-16

Abstract

The utility model discloses a drop test device, which comprises a frame body, a positioning mechanism, a test initial platform and a collecting mechanism, wherein the frame body comprises a bottom frame and a mounting frame arranged on the upper side of the bottom frame; the positioning mechanism is arranged on the mounting frame and is used for clamping or loosening a sample to be tested; the initial test platform comprises a first platform which is movably arranged on the frame body, and the first platform is provided with a first position for supporting a sample to be tested and a second position for removing the support on the movable travel of the first platform; the collection mechanism is arranged on the underframe and used for collecting the sample to be tested falling from the first platform. The utility model aims to provide a test device suitable for a small device (such as a hydrogen sensor) to carry out drop test.

Description

Drop test device

Technical Field

The utility model relates to the technical field of drop tests, in particular to a drop test device.

Background

The hydrogen is used as a renewable energy source, so that the problems of resources and environment existing on the earth can be effectively relieved. However, the safety problems faced by the links of hydrogen production, transportation, use and the like are actually caused to cause headache. Therefore, in order to ensure the safety and reliability of hydrogen production, transportation and use, monitoring must be performed for hydrogen leakage and hydrogen concentration. Furthermore, the quality requirements for the hydrogen sensor are particularly stringent. At present, the drop test device on the market mainly aims at the packaging field, and the appearance of a sample to be detected is more regular and the size is larger, so that the test device is larger along with the appearance, and the price is higher.

Disclosure of Invention

The utility model mainly aims to provide a drop test device, and aims to provide a test device suitable for drop tests of small devices (such as a hydrogen sensor).

In order to achieve the above object, the present utility model provides a drop test apparatus comprising:

the frame body comprises a bottom frame and a mounting frame arranged on the upper side of the bottom frame;

the positioning mechanism is arranged on the mounting frame and used for clamping or loosening a sample to be tested; the method comprises the steps of,

the test initial platform comprises a first platform which is movably arranged on the frame body, and the first platform is provided with a first position for supporting a sample to be tested and a second position for removing the support on the movable travel of the first platform; the method comprises the steps of,

and the collecting mechanism is arranged on the underframe and used for collecting the sample to be tested falling from the first platform.

Optionally, the frame body further comprises a bracket connecting the underframe and the mounting frame;

the initial test platform further comprises:

the second platform is arranged on the bracket, and the first platform is hinged to the second platform; the method comprises the steps of,

the driving piece is used for driving the first platform to rotate around the hinged connection part of the first platform;

the first platform is horizontally elongated when located at the first position, and horizontally shortened when located at the second position.

Optionally, the initial test platform further comprises a supporting part, wherein the supporting part is arranged on the lower side of the mounting part and is mounted on the bracket;

the support part forms a support end at one end of the support, which is away from the support in the horizontal direction, and the support end is used for limiting the first platform when the first platform is located at the second position.

Optionally, a protective sleeve is sleeved on the supporting end.

Optionally, two positioning mechanisms are arranged and are mutually spaced;

wherein the bracket is positioned between the two positioning mechanisms.

Optionally, the drop test device further comprises a scale, and the scale extends up and down and is arranged on the bracket.

Optionally, the positioning mechanism comprises a jaw.

Optionally, the clamping jaw comprises a pneumatic clamping jaw;

the positioning mechanism further comprises a pneumatic driving device, and the pneumatic driving device is used for driving the pneumatic clamping jaw to move.

Optionally, the positioning mechanism further comprises:

the first connecting part is arranged on the mounting frame; the method comprises the steps of,

the second connecting part is movably mounted on the first connecting part along the up-down direction, and the second connecting part can be fixed at any position on the movable stroke of the second connecting part.

Optionally, the collecting mechanism includes a collecting box, the collecting box is disposed on the chassis, and the collecting box is disposed with an upward opening.

In the technical scheme of the utility model, through will first platform activity extremely the first position, and pass through positioning mechanism centre gripping is waited test sample, and above operation is accomplished and is waited test sample and is in spacing fixed on the first platform, when carrying out drop test, through the activity first platform motion extremely the second position is controlled afterwards positioning mechanism loosens and wait to detect the sample, and the downside of waiting to test sample does not have the shelter from this moment, but the free fall carries out drop test, and the waiting to test sample after the drop is collected by collection mechanism. In summary, the above operation can complete the drop performance detection of the sample to be tested. To complete the drop test of the sample to be tested with small volume and small weight.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a drop test apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a portion of a drop test apparatus according to an embodiment of the present utility model.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Drop test device	4	Protective sleeve
1	Frame body	5	Scale ruler
				11	Chassis frame	21	Clamping jaw
12	Mounting rack	211	Pneumatic clamping jaw
				2	Positioning mechanism	22	Pneumatic driving device
3	Initial test platform	23	First connecting part
				31	First platform	24	Second connecting part
13	Support frame	6	Collecting mechanism
				32	Second platform	7	Bolt
33	Driving piece	8	Jack (Jack)
				34	Support part	9	Control device
34a	Support end	61	Collecting box

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In view of this, the present utility model provides a drop test apparatus, and fig. 1 to 2 are schematic views of an embodiment of the present utility model.

Referring to fig. 1, the drop test device 100 includes a frame 1, a positioning mechanism 2, a test initiation platform 3, and a collection mechanism 6, where the frame 1 includes a chassis 11 and a mounting frame 12 disposed on an upper side of the chassis 11; the positioning mechanism 2 is arranged on the mounting frame 12, and the positioning mechanism 2 is used for clamping or loosening a sample to be tested; the initial test platform 3 comprises a first platform 31, the first platform 31 is movably arranged on the frame body 1, and the first platform 31 has a first position for supporting a sample to be tested and a second position for removing the support on the movable travel of the first platform 31; the collecting mechanism 6 is disposed on the chassis 11, and is used for collecting the sample to be tested falling from the first platform 31.

In the technical scheme of the utility model, through will first platform 31 activity extremely the first position, and pass through positioning mechanism 2 centre gripping is waited test sample, and the operation above is accomplished and is waited test sample and is in spacing fixed on the first platform 31, when carrying out drop test, through the activity first platform 31 motion extremely the second position is controlled afterwards positioning mechanism 2 loosens and wait to detect the sample, and the downside of waiting to test the sample at this moment does not have to shelter from, but the free fall carries out drop test, and the waiting to test sample after the drop is by collection mechanism 6 collects. In summary, the above operation can complete the drop performance detection of the sample to be tested. To complete the drop test of the sample to be tested with small volume and small weight.

The types of the samples to be tested are not limited, and the samples can be various sensors, such as a hydrogen sensor, a distance sensor and the like, and can also be small-sized electronic devices, such as headphones, mobile phones and the like.

It should be noted that, the sample to be tested is placed on the first platform 31 and is limited by the positioning mechanism 2, and the positioning mechanism 2 is used for adjusting the drop detection surface of the sample to be tested, so that the drop detection surface of the sample to be tested is located at the lower side of the sample to be tested, so as to ensure the accurate detection test of the drop detection surface.

In addition, the number of the initial stages 3 is not limited, and may be single or plural; specifically, in one embodiment of the present utility model, three test initiation platforms 3 are provided, that is, three test initiation platforms 3 are provided at intervals in the up-down direction so as to have different distance differences from the collection mechanism 6, so that drop detection tests with different heights can be performed.

Further, the frame 1 further includes a bracket 13 connecting the chassis 11 and the mounting frame 12; the initial test platform 3 further comprises a second platform 32 and a driving piece 33, the second platform 32 is mounted on the bracket 13, and the second platform 32 is hinged with the first platform 31; the driving member 33 is configured to drive the first platform 31 to rotate around its hinge connection; the first platform 31 extends horizontally when located at the first position, and the first platform 31 extends vertically when located at the second position. By arranging the driving member 33 to drive the first platform 31 to move, when the first platform 31 is located at the first position, the first platform 31 is in a horizontal extending state, the upper side surface of the first platform 31 can be used for supporting a sample to be tested, and when the first platform 31 is located at the second position, the first platform 31 is in a vertical extending state, so that the free falling of the sample to be tested is not limited.

It should be noted that, the arrangement form of the driving member 33 is not limited, and may be a driving push rod or a motor; specifically, in an embodiment of the present utility model, the driving member 33 includes an electromagnetic telescopic rod, and a shaft and an output end of the electromagnetic telescopic rod are connected to the bracket 13 and the second platform 32, respectively.

Further, the initial test platform 3 further comprises a supporting part 34, and the supporting part 34 is arranged at the lower side of the second platform 32 and is mounted on the bracket 13; the support portion 34 forms a support end 34a at an end facing away from the bracket 13 in a horizontal direction, and the support end 34a is configured to limit the first platform 31 when the first platform 31 is located at the second position. By the aid of the supporting portion 34, when the first platform 31 rotates to the second position, the supporting end 34a of the supporting portion 34 abuts against one side of the first platform 31, the first platform 31 is supported and limited, and the first platform 31 is limited to move in the second position, so that the drop test of the sample to be tested is affected.

Furthermore, in an embodiment of the present utility model, the supporting end 34a is sleeved with a protecting sleeve 4. By arranging the protective sleeve 4, when the first platform 31 is positioned at the second position, the first platform is correspondingly abutted against the outer side of the protective sleeve 4, so that the buffer effect can be realized; at the same time, the noise generated by the contact between the supporting part 34 and the first platform 31 can be avoided.

It should be noted that the number of the positioning mechanisms 2 is not limited, and may be one or more; specifically, in one embodiment of the present utility model, two positioning mechanisms 2 are provided and are spaced from each other; wherein the bracket 13 is positioned between the two positioning mechanisms 2. That is, in this embodiment, by providing two positioning mechanisms 2, the experimental efficiency of the drop test is improved, and the two positioning mechanisms 2 are disposed at intervals, that is, there is a certain interval space in the horizontal direction between the drop paths of the samples to be tested disposed between the two positioning mechanisms 2, so as to avoid interference effects between each other.

Referring to fig. 1 again, the drop test device 100 further includes a scale 5, where the scale 5 extends vertically and is disposed on the support 13. By the aid of the scale 5, an operator can intuitively observe the falling distance of the sample to be tested.

Further, the positioning mechanism 2 comprises a clamping jaw 21. By providing the clamping jaw 21, the clamping jaw 21 can be operated to clamp or unclamp, so that the sample to be tested is fixed or not fixed.

Still further, the clamping jaw 21 comprises a pneumatic clamping jaw 211; the positioning mechanism 2 further comprises a pneumatic driving device 22, and the pneumatic driving device 22 is used for driving the pneumatic clamping jaw 211 to move. The pneumatic clamping jaw 211 is driven to clamp or unclamp by the pneumatic driving device 22, so that the sample to be tested is fixed and not fixed.

Referring to fig. 1 to 2, the positioning mechanism 2 further includes a first connecting portion 23 and a second connecting portion 24, where the first connecting portion 23 is disposed on the mounting frame 12; the second connecting portion 24 is movably mounted on the first connecting portion 23 along the up-down direction, and the second connecting portion 24 can be fixed at any position on the movable travel thereof. By providing a movable adjustment between the first connection portion 23 and the second connection portion 24, the distance from the clamping jaw 21 to the mounting frame 12 can be changed, so as to finely adjust the clamping distance between the clamping jaw 21 and the sample to be tested. The movable forms of the first connecting portion 23 and the second connecting portion 24 are not limited, and may be a clamping connection or a screwing connection; specifically, in an embodiment of the present utility model, a plurality of insertion holes 8 are provided on each of the first connection portion 23 and the second connection portion 24 at intervals in the up-down direction, and the insertion pins 7 are provided to be inserted into different insertion holes 8 to change the relative fixing positions of the first connection portion 23 and the second connection portion 24, thereby completing the adjustment of the relative positions between the clamping jaw 21 and the mounting frame 12.

Further, the collection mechanism 6 includes a collection box 61, the collection box 61 is provided on the chassis 11, and the collection box 61 is provided opening upward. By providing the collection box 61, it is convenient for the test person to collect the dropped sample.

In addition, in an embodiment of the present utility model, the drop test apparatus 100 further includes a control device 9, where the control device 9 is configured to control the pneumatic driving device 22 and the driving member 33 to move, so as to automatically perform the drop test.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather utilizing equivalent structural changes made in the present utility model description and drawings or directly/indirectly applied to other related technical fields are included in the scope of the present utility model.

Claims

1. A drop test device, comprising:

2. The drop test device of claim 1, wherein the frame further comprises a bracket connecting the chassis and the mounting bracket;

the initial test platform further comprises:

the first platform extends horizontally when located at the first position, and extends vertically when located at the second position.

3. The drop test device of claim 2, wherein the test initiation platform further comprises a support portion disposed on an underside of the second platform and mounted on the bracket;

4. A drop test device as claimed in claim 3, wherein the support end is provided with a protective sleeve.

5. The drop test device of claim 2, wherein the positioning mechanism is provided in two and spaced apart from each other;

wherein the bracket is positioned between the two positioning mechanisms.

6. The drop test device of claim 2, further comprising a scale extending up and down and disposed on the support.

7. The drop test device of claim 1, wherein the positioning mechanism comprises a jaw.

8. The drop test device of claim 7, wherein the jaws comprise pneumatic jaws;

9. The drop test device of claim 7, wherein the positioning mechanism further comprises:

10. The drop test device of claim 1, wherein the collection mechanism comprises a collection box disposed on the chassis, and wherein the collection box is disposed open upward.