CN220625688U

CN220625688U - Vibration test tool

Info

Publication number: CN220625688U
Application number: CN202322398917.9U
Authority: CN
Inventors: 张晶磊; 李顺; 郭强; 朱金钟; 常晓红; 林国忠
Original assignee: Guojing Zhikong Electronic Equipment Langfang Co ltd
Current assignee: Guojing Zhikong Electronic Equipment Langfang Co ltd
Priority date: 2023-09-05
Filing date: 2023-09-05
Publication date: 2024-03-19
Anticipated expiration: 2033-09-05

Abstract

The utility model relates to a vibration test tool which comprises a base plate, wherein two support plates are fixed on the upper surface of the base plate, a horizontal plate is fixed on one side, away from the base plate, of each support plate, a test mechanism is arranged on the right side of each support plate, and a rebound mechanism is arranged below each horizontal plate. This shock test frock has set up test mechanism in this shock test frock, mutually supporting through each structure in the test mechanism, through setting up driving motor and lead screw, has realized controlling the removal of a smooth section of thick bamboo, through the left and right movement of a smooth section of thick bamboo, has realized controlling the removal of experimental bin, and speed governing motor and transfer line have again been cooperated, have realized the rotation to first collision piece, second collision piece and third collision piece, can control the speed of collision piece simultaneously, and then can make the collision piece of variation in size collide experimental bin, can simulate multiple vibrations environmental condition, have improved the precision of test result.

Description

Vibration test tool

Technical Field

The utility model relates to the technical field of communication terminal tests, in particular to a vibration test tool.

Background

The communication terminal is a direct tool for people to enjoy different information applications (communication services), bears the multi-aspect tasks of providing a good user interface for users, completing required service functions, accessing a communication network and the like, and the object or the mass point performs reciprocating motion relative to the balance position, namely vibration, vibration is divided into sinusoidal vibration, random vibration, composite vibration, scanning vibration and fixed-frequency vibration, main parameters describing the vibration include amplitude, speed vibration, acceleration, and tests on a physical object or model of a vibration system in a field or laboratory, the vibration system is a mass elastic system excited by a vibration source, such as a machine, a structure or parts thereof, a organism and the like, the vibration test is developed from an aerospace department, and is increasingly popularized to various industrial departments such as power machinery, transportation, construction and the like, environmental protection, labor protection and the like.

In the prior art, a lot of products can all shake the test to it after production is accomplished, certainly in communication terminal's production process, shake the test and be an important link in the performance test link for whether test communication terminal can appear the problem of damage under the vibration environment, the mode of carrying out shake test at present is mostly realized through vibrating motor or vibration test dish, but vibrating motor or vibration test dish can simulate shake the environmental condition less, and then test result is comparatively unilateral and inaccurate, proposes a vibration test frock for this and solves above-mentioned problem.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a vibration test tool which has the advantage of good test effect, and solves the problems that the vibration environment conditions which can be simulated by a vibration motor or a vibration test disc are fewer, and the test result is more one-sided and inaccurate.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the vibration test tool comprises a base plate, wherein two support plates are fixed on the upper surface of the base plate, a horizontal plate is fixed on one side, away from the base plate, of each support plate, a test mechanism is arranged on the right side of each support plate, and a rebound mechanism is arranged below each horizontal plate;

the test mechanism comprises a driving assembly and a collision assembly, wherein the driving assembly comprises a driving motor arranged on the right side of a right side supporting plate, a screw rod driven by the driving motor to do circular motion is fixed on the outer side of an output shaft of the driving motor, and a sliding cylinder is connected with the outer side of the screw rod in a threaded manner.

Further, a limiting rod is fixed between two opposite sides of the supporting plates, a T-shaped sliding sleeve is fixed on the upper surface of the sliding cylinder, and the T-shaped sliding sleeve is slidably connected to the outer side of the limiting rod.

Further, the sliding cylinder moves linearly left and right on the outer side of the screw rod, and the two supporting plates are symmetrically distributed on the left side and the right side of the longitudinal central axis of the base plate.

Further, the collision assembly comprises a speed regulating motor arranged on the left side of the left side supporting plate, a transmission rod driven to do circular motion by the speed regulating motor is fixed on the outer side of an output shaft of the speed regulating motor, a first collision block is fixed on the outer side of the transmission rod, a second collision block is fixed on the outer side of the transmission rod, and a third collision block is fixed on the outer side of the transmission rod.

Further, the rebound mechanism comprises a positioning frame arranged below the horizontal plate, a telescopic rod is fixed on the inner bottom wall of the positioning frame, a movable seat is fixed on one end of the telescopic rod, which is far away from the inner bottom wall of the positioning frame, an experimental bin is fixed on the front surface of the movable seat, and a first spring fixed on the other side of the upper surface of the movable seat and the inner top wall of the positioning frame.

Further, the stopper is all fixed with in movable seat left and right sides, the left and right sides wall of locating frame inner chamber all is fixed with the guide rail, stopper sliding connection is in the inside of guide rail.

Further, the second springs with two sides fixed with the inner bottom wall of the positioning frame and the lower surface of the movable seat are movably sleeved on the outer side of the telescopic rod, the number of the first springs is four, and the upper surface of the positioning frame is fixed with the lower surface of the sliding cylinder.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this shock test frock has set up test mechanism in this shock test frock, mutually supporting through each structure in the test mechanism, through setting up driving motor and lead screw, has realized controlling the removal of a smooth section of thick bamboo, through the left and right movement of a smooth section of thick bamboo, has realized controlling the removal of experimental bin, and speed governing motor and transfer line have again been cooperated, have realized the rotation to first collision piece, second collision piece and third collision piece, can control the speed of collision piece simultaneously, and then can make the collision piece of variation in size collide experimental bin, can simulate multiple vibrations environmental condition, have improved the precision of test result.

2. This shock test frock has set up the resilience mechanism in this shock test frock, mutually support between each structure in the resilience mechanism, through setting up locating frame, telescopic link, movable seat, experiment storehouse and first spring, has realized the vibration to experiment storehouse, and then has realized the vibration to the inside communication terminal of experiment storehouse, provides convenience for subsequent shock test.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a testing mechanism of the present utility model;

FIG. 3 is a schematic view of a rebound mechanism of the present utility model;

fig. 4 is a schematic view of a positioning frame structure according to the present utility model.

In the figure: 1 base plate, 2 backup pads, 3 horizontal plates, 4 test mechanism, 401 driving motor, 402 lead screw, 403 slide tube, 404 speed regulating motor, 405 transfer line, 406 first impact block, 407 second impact block, 408 third impact block, 5 rebound mechanism, 501 locating frame, 502 telescopic link, 503 movable seat, 504 experiment storehouse, 505 first spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1, a vibration test tool in this embodiment includes a base plate 1, two support plates 2 are fixed on the upper surface of the base plate 1, a horizontal plate 3 is fixed on one side of the support plate 2 away from the base plate 1, a test mechanism 4 is disposed on the right side of the right support plate 2, and a rebound mechanism 5 is disposed below the horizontal plate 3.

The object of the vibration test in the present application is a communication terminal, that is, a mobile phone commonly used in the prior art, and will not be described in detail herein.

It should be noted that the components of the present utility model are all common standard components or components known to those skilled in the art, and the structures and principles thereof are all known to those skilled in the art through technical manuals or through routine experimental methods.

Referring to fig. 2, in order to simulate various vibration environmental conditions and improve the accuracy of test results, the test mechanism 4 in this embodiment includes a driving assembly and a collision assembly, the driving assembly includes a driving motor 401 mounted on the right side of the right side supporting plate 2, a screw rod 402 driven to perform a circular motion by the driving motor 401 is fixed on the outer side of an output shaft of the driving motor 401, and a slide tube 403 is screwed on the outer side of the screw rod 402.

A limiting rod is fixed between one opposite side of the two support plates 2, a T-shaped sliding sleeve is fixed on the upper surface of the sliding cylinder 403, the T-shaped sliding sleeve is slidably connected to the outer side of the limiting rod, the movement of the sliding cylinder 403 drives the T-shaped sliding sleeve to move simultaneously, and at the moment, the T-shaped sliding sleeve slides on the outer side of the limiting rod.

The slide cylinder 403 moves linearly left and right outside the screw rod 402, and the two support plates 2 are symmetrically distributed on the left and right sides of the longitudinal central axis of the base plate 1.

The collision component comprises a speed regulating motor 404 arranged on the left side of the left side supporting plate 2, a transmission rod 405 driven by the speed regulating motor 404 to do circular motion is fixed on the outer side of an output shaft of the speed regulating motor 404, a first collision block 406 is fixed on the outer side of the transmission rod 405, a second collision block 407 is fixed on the outer side of the transmission rod 405, a third collision block 408 is fixed on the outer side of the transmission rod 405, and the model number of the speed regulating motor 404 is 5Ik90RGU-CFW.

Referring to fig. 3-4, in order to realize the up-and-down movement of the experiment cabin 504, the rebound mechanism 5 in the present embodiment includes a positioning frame 501 disposed below the horizontal plate 3, a telescopic rod 502 is fixed on an inner bottom wall of the positioning frame 501, a movable seat 503 is fixed on one end of the telescopic rod 502 away from an inner bottom wall of the positioning frame 501, the experiment cabin 504 is fixed on a front surface of the movable seat 503, a cover plate is disposed on an upper surface of the experiment cabin 504, and a first spring 505 fixed on the other side of the upper surface of the movable seat 503 and an inner top wall of the positioning frame 501.

Limiting blocks are fixed on the left side and the right side of the movable seat 503, guide rails are fixed on the left side wall and the right side wall of the inner cavity of the positioning frame 501, and the limiting blocks are slidably connected inside the guide rails.

The outer side of the telescopic rod 502 is movably sleeved with second springs, two sides of which are respectively fixed with the inner bottom wall of the positioning frame 501 and the lower surface of the movable seat 503, the number of the first springs 505 is four, and the upper surface of the positioning frame 501 is fixed with the lower surface of the sliding cylinder 403.

The telescopic rod 502 comprises cover storehouse and motion pole, and motion pole one end runs through and extends to the inside in cover storehouse, and the outside fixedly connected with of motion pole is located the inside limiting block in cover storehouse, and the through-hole with motion pole looks adaptation is seted up to one side in cover storehouse, through being provided with limiting block, has prevented that the motion pole breaks away from with the cover storehouse in the motion process.

Standard parts used in the method can be purchased from the market, special-shaped parts can be customized according to description of specifications and drawings, specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, machines, parts and equipment are conventional in the prior art, and circuit connection is conventional in the prior art, so that the special-shaped parts are not described in detail.

If the application discloses or relates to components or structures that are fixedly connected to each other, then unless otherwise stated, the fixedly connected structure is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).

The working principle of the embodiment is as follows:

(1) When the tool is required to be used for vibration test on the communication terminal, the communication terminal to be tested is firstly placed in the experiment bin 504, then the cover plate is covered, then the driving motor 401 is started, the output shaft of the driving motor 401 starts to rotate, the screw rod 402 is driven to start to rotate, along with the rotation of the screw rod 402, the sliding barrel 403 in the outer side of the screw rod 402 is in left-right linear motion, the sliding barrel 403 is moved to drive the T-shaped sliding sleeve to move simultaneously, at the moment, the T-shaped sliding sleeve slides in the outer side of the limiting rod, the sliding barrel 403 is moved to drive the positioning frame 501 to move simultaneously, and the positioning frame 501 is moved to drive the movable seat 503 and the experiment bin 504 to move simultaneously.

(2) When the experiment cabin 504 moves to the upper part of the third collision block 408, the driving motor 401 is turned off, then the speed regulating motor 404 is started, the output shaft of the speed regulating motor 404 starts to rotate, the transmission rod 405 is driven to start rotating, the first collision block 406, the second collision block 407 and the third collision block 408 are driven to start rotating by the rotation of the transmission rod 405, when the third collision block 408 contacts with the experiment cabin 504, the experiment cabin 504 moves upwards by the generated force, the experiment cabin 504 moves upwards to drive the movable seat 503 to move upwards, at the moment, the length of the telescopic rod 502 is prolonged, the second spring is stretched, meanwhile, the first spring 505 is compressed, when the third collision block 408 does not contact with the experiment cabin 504, the first spring 505 and the second spring rebound, the experiment cabin 504 is reset, and then a communication terminal in the experiment cabin 504 starts to move, and when the experiment cabin 504 needs to be tested by other collision blocks, the position of the experiment cabin 504 can be adjusted by controlling the driving motor 401.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shock test frock, includes base plate (1), its characterized in that: two support plates (2) are fixed on the upper surface of the base plate (1), a horizontal plate (3) is fixed on one side, far away from the base plate (1), of the support plates (2), a test mechanism (4) is arranged on the right side of the support plates (2), and a rebound mechanism (5) is arranged below the horizontal plate (3);

the test mechanism (4) comprises a driving assembly and a collision assembly, the driving assembly comprises a driving motor (401) arranged on the right side of the right side supporting plate (2), a screw rod (402) driven to do circular motion by the driving motor (401) is fixed on the outer side of an output shaft of the driving motor, and a sliding cylinder (403) is connected to the outer side of the screw rod (402) in a threaded mode.

2. The shock test fixture of claim 1, wherein: a limiting rod is fixed between one opposite sides of the two supporting plates (2), a T-shaped sliding sleeve is fixed on the upper surface of the sliding cylinder (403), and the T-shaped sliding sleeve is slidably connected to the outer side of the limiting rod.

3. The shock test fixture of claim 1, wherein: the sliding cylinders (403) do left-right linear motion on the outer sides of the screw rods (402), and the two supporting plates (2) are symmetrically distributed on the left side and the right side of the longitudinal central axis of the base plate (1).

4. The shock test fixture of claim 1, wherein: the collision assembly comprises a speed regulating motor (404) arranged on the left side of a left side supporting plate (2), a transmission rod (405) driven by the speed regulating motor (404) to do circular motion is fixed on the outer side of an output shaft of the speed regulating motor, a first collision block (406) is fixed on the outer side of the transmission rod (405), a second collision block (407) is fixed on the outer side of the transmission rod (405), and a third collision block (408) is fixed on the outer side of the transmission rod (405).

5. The shock test fixture of claim 1, wherein: the rebound mechanism (5) comprises a positioning frame (501) arranged below a horizontal plate (3), a telescopic rod (502) is fixed on the inner bottom wall of the positioning frame (501), a movable seat (503) is fixed on one end, far away from the inner bottom wall of the positioning frame (501), of the telescopic rod (502), an experimental bin (504) is fixed on the front surface of the movable seat (503), and a first spring (505) fixed on the other side and the inner top wall of the positioning frame (501) is fixed on the upper surface of the movable seat (503).

6. The shock test fixture of claim 5, wherein: limiting blocks are fixed on the left side and the right side of the movable seat (503), guide rails are fixed on the left side wall and the right side wall of the inner cavity of the positioning frame (501), and the limiting blocks are slidably connected in the guide rails.

7. The shock test fixture of claim 5, wherein: the telescopic rod (502) is movably sleeved with second springs, two sides of the second springs are respectively fixed with the inner bottom wall of the positioning frame (501) and the lower surface of the movable seat (503), the number of the first springs (505) is four, and the upper surface of the positioning frame (501) is fixed with the lower surface of the sliding cylinder (403).