CN216746680U

CN216746680U - Vibration test device

Info

Publication number: CN216746680U
Application number: CN202220064199.4U
Authority: CN
Inventors: 唐嘉禄; 胡佳林; 艾彩利; 詹卓; 邱博之; 郝宏亮; 寇文超
Original assignee: Xi'an Yellow River Electromechanical Co ltd
Current assignee: Xi'an Yellow River Electromechanical Co ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-06-14
Anticipated expiration: 2032-01-11

Abstract

The embodiment of the present disclosure provides a vibration test apparatus, including: support piece, put thing platform, extensible member, rotating member and driving piece. When the device operates, the supporting piece is stably placed on the ground, the test piece is placed on the object placing table, then the driving piece drives the rotating piece to move, and the rotating piece is constantly in contact with the telescopic piece in a rotating mode, so that the object placing table can regularly vibrate. The vibration test device in the embodiment of the disclosure has the advantages of simple structure and low manufacturing cost, thereby reducing the test cost and completely meeting the requirements of environmental stress screening pretreatment tests in laboratories.

Description

Vibration test device

Technical Field

The embodiment of the disclosure relates to the technical field of environmental stress screening, in particular to a vibration test device.

Background

Environmental stress screening is a series of tests performed under environmental stress in order to find and eliminate defective parts, components, process defects and prevent early failure in products.

At present, when a pretreatment test of environmental stress screening is carried out in a laboratory, the used vibration test device has a complex structure and is expensive in manufacturing cost. Accordingly, there is a need to ameliorate one or more of the problems with the related art solutions described above.

SUMMERY OF THE UTILITY MODEL

It is an object of embodiments of the present disclosure to provide a vibration testing apparatus, which overcomes one or more of the problems due to the limitations and disadvantages of the related art, at least to some extent.

The embodiment of the present disclosure provides a vibration device, including:

the supporting piece comprises a supporting table and a plurality of supporting columns with equal length, and the supporting table is horizontally arranged at the upper ends of the supporting columns;

the object placing table is arranged above the supporting piece and is parallel to the supporting table; the bottom of the object placing table is fixedly provided with a plurality of telescopic pieces, and the object placing table is connected with the supporting table through the plurality of telescopic pieces;

the telescopic piece comprises a plurality of telescopic rods penetrating through the support table, and the lengths of the plurality of telescopic rods are consistent;

the rotating piece is arranged below the supporting table and comprises a rotating table, a plurality of bosses are arranged on the rotating table respectively, the positions of the bosses are in one-to-one correspondence with the telescopic rods respectively, and the bosses are connected with the telescopic rods respectively in a rotating contact manner;

a drive for driving rotational movement of the turntable.

In an embodiment of the present disclosure, the supporting member is a frame structure, wherein the supporting platform is a cuboid, and the supporting columns are 4 vertically arranged.

In an embodiment of the disclosure, when the boss contacts the telescopic rods, the compressed lengths of the telescopic rods are kept consistent, and the compressed lengths of the telescopic rods are equal to the distance from the bottom surface of the object placing table to the upper surface of the boss.

In an embodiment of the disclosure, the lower ends of the plurality of telescopic rods are respectively provided with a roller, and the plurality of bosses are connected with the roller in a rotating and sliding manner.

In an embodiment of the present disclosure, a spring is wound on the telescopic rod, and the telescopic rod stretches under the elastic action of the spring.

In an embodiment of the disclosure, a sheath is disposed at a joint of the telescopic rod and the supporting table, and the sheath is used for preventing the spring from rubbing with the supporting table when the spring stretches.

In an embodiment of the present disclosure, the boss is detachably disposed on the turntable by a screw.

In an embodiment of the present disclosure, the turntable includes a cylindrical rotating surface, a plurality of supporting legs are provided at the bottom end of the cylindrical rotating surface, a plurality of pulleys are provided at the lower ends of the supporting legs, respectively, and the driving member drives the plurality of pulleys to slide in the circumferential sliding rail.

In an embodiment of the present disclosure, the driving member includes a servo motor, the servo motor is electrically connected to the turntable, and the servo motor is configured to drive a rotation of the turntable.

In an embodiment of the present disclosure, the driving member further includes a speed reducer, the speed reducer is electrically connected to the turntable and the servo motor, respectively, and the speed reducer is configured to control a rotation speed of the turntable.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

the embodiment of the disclosure provides a vibration test device, which comprises a support piece, an object placing table, a telescopic piece, a rotating piece and a driving piece. This support piece includes the support column that a supporting bench and a plurality of length equal, has realized the steady placement of support piece. Put the thing platform in support piece top setting, should put the thing platform and be parallel with a supporting bench, through putting thing platform bottom and setting up the extensible member, this telescopic link is a plurality of telescopic links that run through a supporting bench, and every telescopic link length is unanimous to make the testpieces can the flat level place put the thing bench. The rotary motion is done to drive division drive revolving stage, is provided with a plurality of bosss on the revolving stage, and the position of every boss respectively with every telescopic link one-to-one, through the rotatory contact of boss with the telescopic link, realized putting the regular vibration of thing platform. The vibration experimental device has simple structure and low manufacturing cost, thereby reducing the experimental cost; and the vibration test device can completely meet the requirements of environmental stress screening pretreatment tests in laboratories.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It should be apparent that the drawings in the following description are merely examples of the disclosure and that other drawings may be derived by those of ordinary skill in the art without inventive effort.

Fig. 1 shows a schematic structural view of a vibration testing apparatus in an exemplary embodiment of the present disclosure;

fig. 2 shows a schematic structural view of a telescopic member in an exemplary embodiment of the present disclosure.

In the figure, 100, the support; 101. a support table; 102. a support pillar; 200. a placing table; 300. a telescoping member; 301. a telescopic rod; 302. a roller; 303. a spring; 304. a sheath; 400. a rotating member; 401. a turntable; 402. a boss; 403. a support leg; 500. a drive member; 501. a servo motor; 502. and a speed reducer.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Furthermore, the drawings are merely schematic illustrations of embodiments of the disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and a repetitive description thereof will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities.

A vibration device is provided in the present example embodiment. Referring to fig. 1 and 2, the vibration testing apparatus includes a supporting member 100, a placing table 200, a telescopic member 300, a rotating member 400, and a driving member 500. The support 100 comprises a support table 101 and a plurality of support columns 102 with equal length, wherein the support table 101 is horizontally arranged at the upper ends of the plurality of support columns 102; the object placing table 200 is arranged above the supporting piece 100 and is parallel to the supporting table 101, a plurality of telescopic pieces 300 are fixedly arranged at the bottom of the object placing table 200, and the object placing table 200 is connected with the supporting table 101 through the plurality of telescopic pieces 300; the telescopic member 300 comprises a plurality of telescopic rods 301 penetrating through the support table 101, and the length of each telescopic rod 301 is consistent; the rotating member 400 is arranged below the support table 101, the rotating member 400 comprises a rotary table 401, a plurality of bosses 402 are respectively arranged on the rotary table 401, the position of each boss 402 corresponds to each telescopic rod 301 one by one, and the plurality of bosses 402 are respectively connected with the plurality of telescopic rods 301 in a rotating contact manner; the drive 500 is used to drive the rotational movement of the turntable 401.

In one embodiment, the support 100 is configured as a frame structure, wherein the support table 101 is a rectangular parallelepiped, and the support columns 102 are 4 vertically arranged. Therefore, the support piece 100 can be stably placed on the ground, and a good support effect is achieved.

In one embodiment, when the boss 402 contacts the telescoping rods 301, the compressed length of each telescoping rod 301 remains the same, and the compressed length of each telescoping rod 301 is the same as the distance from the bottom surface of the stand 200 to the upper surface of the boss 402. The compression degree of every telescopic link 301 is unanimous to and the length after the compression also keeps unanimous, has realized putting thing platform 200 and supporting bench 101 and has kept parallel, thereby makes to put thing platform 200 and can steadily place the experimental article.

In one embodiment, in particular, the lower end of each telescopic rod 301 is provided with a roller 302, which provides a particular way for the telescopic rod 301 to be rotatably connected with the boss 402, i.e. each roller 302 and the boss 402 are connected in a rotating and sliding manner. Other rotary connection modes can also be adopted in the embodiment, for example: set up first contact piece respectively at the lower extreme of every telescopic link 301, set up respectively in the upper end of every boss 402 with first contact piece assorted second contact piece, when first contact piece contacts with the second contact piece, two contact pieces can contract simultaneously, pass through the second contact piece at first contact piece after, two contact pieces resume original position again, can realize telescopic link 301 and boss 402's swivelling joint like this.

In one embodiment, specifically, a spring 303 is wound on the telescopic rod 301, and the telescopic rod 301 is extended and retracted under the elastic action of the spring 303. This embodiment provides a flexible mode of telescopic link, also can adopt other modes equally, for example: the telescopic rod 301 is arranged to be of a sleeve type structure, and a spring device capable of automatically restoring is arranged in the telescopic rod 301, when the telescopic rod 301 is in contact with the boss 402, the telescopic rod 301 is compressed, and when the telescopic rod 301 leaves the boss 402, the telescopic rod 301 is restored to the original state under the action of the spring device.

In one embodiment, a sheath 304 is disposed at the connection between the extension rod 301 and the support platform 101, so as to prevent the spring 303 from rubbing against the support platform 101 when extending and retracting, and to some extent, to alleviate the wear of the vibration testing apparatus.

In one embodiment, a specific fixed connection of the boss 402 to the turntable 401 is provided, i.e. the boss 402 is detachably arranged on the turntable 401 by screws.

In one embodiment, the turntable 401 is configured to include a cylindrical rotating surface, a plurality of legs 403 are disposed at a bottom end of the cylindrical rotating surface, a pulley is disposed at a lower end of each leg 403, and the driving member 500 can drive each pulley to slide in a circumferential sliding rail. This embodiment provides a way to realize the rotation of the turntable 401 by the driving member 500.

In one embodiment, in particular, driving element 500 is configured to include servo motor 501, and servo motor 501 is electrically connected to turntable 401, so as to drive turntable 401 to rotate by servo motor 501.

In one embodiment, further, the driving member 500 further includes a speed reducer 502, and the speed reducer 502 is electrically connected to the turntable 401 and the servo motor 501 respectively, so as to facilitate controlling the rotation speed of the turntable 401 to meet different test requirements.

It is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like in the foregoing description are used in an orientation or positional relationship indicated in the drawings for convenience in describing the disclosed embodiments and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in an operative manner and are not to be construed as limiting the disclosed embodiments.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present disclosure, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present disclosure, unless otherwise specifically stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present disclosure can be understood as a specific case by a person of ordinary skill in the art.

In the embodiments of the present disclosure, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

Claims

1. A vibration testing apparatus, comprising:

the telescopic piece comprises a plurality of telescopic rods penetrating through the supporting table, and the lengths of the plurality of telescopic rods are consistent;

a drive for driving rotational movement of the turntable.

2. The vibration testing apparatus according to claim 1, wherein the supporting member is a frame structure, wherein the supporting platform is a rectangular parallelepiped, and the supporting columns are 4 vertically arranged.

3. The vibration testing apparatus according to claim 1, wherein when the boss contacts the telescopic rods, the compressed lengths of the telescopic rods are kept consistent, and the compressed lengths of the telescopic rods are equal to the distance from the bottom surface of the placement table to the upper surface of the boss.

4. The vibration testing apparatus according to claim 1, wherein a plurality of rollers are respectively provided at lower ends of the plurality of telescopic rods, and the plurality of bosses and the rollers are connected in a rotational sliding manner.

5. The vibration testing device according to claim 4, wherein a spring is wound on the telescopic rod, and the telescopic rod is stretched under the elastic action of the spring.

6. The vibration testing apparatus according to claim 5, wherein a sheath is disposed at a connection position of the telescopic rod and the supporting platform, and the sheath is used for preventing the spring from rubbing against the supporting platform when the spring expands and contracts.

7. The vibration testing apparatus according to claim 1, wherein the boss is detachably provided on the turntable by a screw.

8. The vibration testing apparatus according to claim 1, wherein the turntable comprises a cylindrical rotating surface, a plurality of supporting legs are arranged at a bottom end of the cylindrical rotating surface, pulleys are respectively arranged at lower ends of the plurality of supporting legs, and the driving member drives the plurality of pulleys to slide in the circumferential sliding rail.

9. The vibration testing apparatus of claim 1, wherein the driving member comprises a servo motor electrically connected to the turntable, the servo motor being configured to drive rotational movement of the turntable.

10. The vibration testing apparatus according to claim 9, wherein the driving member further comprises a speed reducer electrically connected to the turntable and the servo motor, respectively, the speed reducer being configured to control a rotation speed of the turntable.