CN206479303U - A kind of vibration test table - Google Patents
A kind of vibration test table Download PDFInfo
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- CN206479303U CN206479303U CN201720101630.7U CN201720101630U CN206479303U CN 206479303 U CN206479303 U CN 206479303U CN 201720101630 U CN201720101630 U CN 201720101630U CN 206479303 U CN206479303 U CN 206479303U
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- cam
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- test table
- vibration test
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Abstract
The utility model is related to a kind of vibration test table.The vibration test table includes pedestal, provided with the first impact hammer and the first guide；Compression spring frame, is fixed on pedestal, including vertically disposed multiple stage clip groups；Oscillating plate, one end is fixed by stage clip group, and the top surface of the other end is provided with test mounting seat, and its bottom surface is provided with above and below the second impact hammer, first, second impact hammer and is oppositely arranged；Cam rotary components, are fixed on pedestal, including electric machine assembly, rotating shaft and cam, and cam is fixed in rotating shaft, and electric machine assembly can drive rotating shaft to rotate, and then with moving cam rotation；Cam driven component, is arranged on oscillating plate, including bearing block, radial ball bearing and the second guide, and radial ball bearing and the second guide are arranged on bearing block, and the second guide patches cooperation with the first guide downwards.The utility model proposes a kind of vibration test table, Vibration stability and test accuracy can be improved.
Description
Technical field
The utility model is related to automotive field, more particularly to a kind of shaking suitable for motor vehicle lamp vibration test
Dynamic testboard.
Background technology
Suitable for motor vehicle lamp vibration test vibration (impact) testboard can simulating vehicle persistently jolt.Shaken by this
Dynamic test can examine whether the firmness and mutual position relationship of tested light fixture entity part change and lamp holder light emitting source
Whether still locate the correct position of design requirement, make lighting effect most to ensure the correct position of each reflecting curved surface at light emitting source
It is good.Vibration (impact) the testboard operation principle designed according to the standard：Work drive motor passes through belt pulley, belt, band moving cam
Rotating shaft is rotated with desired 750 ± 10cpm of rotating speed (vibration frequency).Every revolution cam acts on its driven member and lifts oscillating plate
Then fall, be connected to hammer in the impact on oscillating plate and complete once to being connected to the shock hammered into shape under the impact on soleplate.Such as
This again and again analog vibration to complete whole process of the test.It is required that oscillating plate only moves up and down with front and rear to horizontal plane
Small-angle Rotation.Vibration test table is to carry out the essential of dynamic detection to car light in automotive check industry now
One of equipment.
Existing vibration test table has the following disadvantages：
1. there is no guarantee that the stable necessary parts of vibration are designed, double swerve when causing to vibrate panel vibration is unstable, indefinite
To.Undesired plane-plane contact when being contacted above and below causing between impact hammer between cam and its driven member but line face are contacted,
Abrasion is accelerated.Vibration shakiness also result in nut, and bolt loosens often further accelerates abrasion.And it is improper to be tested light fixture
The phenomenon shattered happens occasionally, it is impossible to ensure the accuracy of test data.
2. cam follower abrasion is big and itself can not be adjusted, necessary spacing when impacting it cannot be guaranteed that without up to
Mark.
3. stage clip guide abrasion in rear portion is big, cause stage clip can not normally (correct) work.
4. complete machine is in open type state, dust is easily invaded, and abrasion is accelerated, unfavorable lubrication.Noise is big.
Utility model content
For the above mentioned problem of prior art, the utility model proposes a kind of vibration test table, vibration can be improved steady
Degree and test accuracy, reducing abrasion may.
Specifically, the utility model proposes a kind of vibration test table, the vibration test table includes：
Pedestal, provided with the first impact hammer and the first guide；
Compression spring frame, is fixed on the pedestal, including vertically disposed multiple stage clip groups；
Oscillating plate, one end is fixed by the stage clip group, and the top surface of the other end is provided with test mounting seat, and its bottom surface is provided with the
It is oppositely arranged above and below two impact hammers, first, second impact hammer；
Cam rotary components, are fixed on the pedestal, including electric machine assembly, rotating shaft and cam, and the cam is fixed on
In the rotating shaft, the electric machine assembly can drive the rotating shaft to rotate, and then drive the cam rotation；
Cam driven component, is arranged on the oscillating plate, including bearing block, radial ball bearing and the second guide, institute
State radial ball bearing and the second guide is arranged on the bearing block, the radial ball bearing is located above the cam, institute
State the second guide and patch cooperation with first guide downwards；
Many extension springs, the two ends of the single extension spring are connected with the oscillating plate and pedestal respectively, and the extension spring is used for will
The oscillating plate pulls to the pedestal；
Wherein, in the vibration test table course of work, the cam rotation, the cam passes through the radial ball axle
Hold the promotion cam driven component to move up and down, and then drive the second impact hammer on the oscillating plate to hit described the repeatedly
One impact hammer.
According to one embodiment of the present utility model, the pedestal includes foundation frame and the base being arranged on the foundation frame
Plinth plate, is provided with rubber column between the soleplate and the foundation frame.
According to one embodiment of the present utility model, first guide is provided with groove, and second guide is provided with
Projection, the projection is fallen into the groove so that first, second guide patches cooperation and can keep relative movement.
According to one embodiment of the present utility model, the cam driven component also includes adjusting screw and bearing block turns
Axle, the bearing block is arranged on the oscillating plate by the bearing block rotating shaft, and the adjusting screw passes through the oscillating plate
With the bearing block, the position for adjusting the relatively described oscillating plate of the radial ball bearing.
According to one embodiment of the present utility model, the cam driven component also includes trip bolt, the fastening spiral shell
Nail is passed down through the bearing block, and the bottom of the trip bolt is resisted against on the oscillating plate with the fixed radial ball bearing
With the relative position of the cam.
According to one embodiment of the present utility model, the cam driven component is arranged on the widthwise central of the oscillating plate
On line.
According to one embodiment of the present utility model, the cam and the rotating shaft are integrally formed.
According to one embodiment of the present utility model, first impact hammer is removably disposed on the pedestal.
According to one embodiment of the present utility model, in addition to case, the case be covered in the cam rotary components,
On cam driven component and oscillating plate, the test mounting seat is reached outside the case, and the case is fixed by screws in
On the pedestal.
According to one embodiment of the present utility model, the stage clip group include be separately positioned on the oscillating plate top and
Two die springs of lower section, spring washer, the bullet are additionally provided with the link position of the oscillating plate and the die springs
The spherical shape of contact surface of spring packing ring and the oscillating plate.
A kind of vibration test table that the utility model is provided, by setting first, second guide cooperated, to protect
The stability and the accurate test result of acquisition of card vibration panel vibration.
It should be appreciated that general description and the following detailed description more than the utility model is all exemplary and illustrative
, and it is intended that the utility model as claimed in claim provides further explanation.
Brief description of the drawings
It is that the utility model is further understood to provide including accompanying drawing, they are included and constitute one of the application
Point, accompanying drawing shows embodiment of the present utility model, and plays a part of together with this specification explaining the utility model principle.
In accompanying drawing：
Fig. 1 shows the structural representation of one embodiment of the present utility model.
Fig. 2 shows the cam rotary components of one embodiment of the present utility model and the structural representation of cam driven component
Figure.
Fig. 3 shows the structural representation of the cam driven component of one embodiment of the present utility model.
Fig. 4 shows the structural representation of the cam driven component of one embodiment of the present utility model.
Fig. 5 shows the cam of one embodiment of the present utility model and the structural representation of rotating shaft.
Fig. 6 shows the structural representation of one embodiment of the present utility model.
Embodiment
Embodiment of the present utility model is described with detailed reference to accompanying drawing now.Now with detailed reference to of the present utility model excellent
Embodiment is selected, its example is shown in the drawings.In the case of any possible, identical will be used to mark in all of the figs to come
Represent same or analogous part.Although in addition, the term used in the utility model is selected from public term
Select, but some terms mentioned in the utility model specification are probably applicant to be selected by his or her judgement
, its detailed meanings explanation in the relevant portion of description herein.In addition, it is desirable to not only by used actual art
Language, and be also to the meaning that is contained by each term to understand the utility model.
Fig. 1 shows the structural representation of one embodiment of the present utility model.As illustrated, 100 kinds of vibration test table
Vibration test table includes pedestal 110, compression spring frame 120, oscillating plate 130, cam rotary components 140, cam driven component 150 and many
Root extension spring 160.
Fig. 2 shows the cam rotary components of one embodiment of the present utility model and the structural representation of cam driven component
Figure.With reference to shown in Fig. 1, the first impact hammer 111 and the first guide 112 are provided with pedestal 110.Compression spring frame 120 is fixed on base
On seat 110, compression spring frame 120 includes vertically disposed multiple stage clip groups 121.
The one end of oscillating plate 130 is fixed by stage clip group 121, and the top surface of the other end of oscillating plate 130 is provided with test mounting seat
131, test mounting seat 131 is used to fix light fixture to be tested.The bottom surface of the other end of oscillating plate 130 is provided with the second impact hammer
132, first, second impact hammer 111, about 132 is oppositely arranged.
Cam rotary components 140 are fixed on pedestal 110.Cam rotary components 140 include electric machine assembly 141, rotating shaft 142
With cam 143.Cam 143 is fixed in rotating shaft 142, and electric machine assembly 141 can drive rotating shaft 142 to rotate, and then with moving cam 143
Rotation.
Fig. 3 shows the structural representation of the cam driven component of one embodiment of the present utility model.Fig. 4 shows this
The structural representation of the cam driven component of one embodiment of utility model.With reference to shown in Fig. 1, cam driven component 150 is set
Put on oscillating plate 130.Cam driven component 150 includes bearing block 151, the guide 153 of radial ball bearing 152 and second.To
The guide 153 of heart ball bearing 152 and second is arranged on bearing block 151.Wherein, radial ball bearing 152 is located on cam 143
Side, the second guide 153 patches cooperation with the first guide 112 downwards.
With reference to Fig. 1, the two ends of each extension spring 160 in many extension springs 160 connect with oscillating plate 130 and pedestal 110 respectively
Connect, extension spring 160 is used to oscillating plate 130 pulling to pedestal 110.
Referring to figs. 1 to Fig. 4, when vibration test table 100 works, the drive shaft 142 of electric machine assembly 141 is rotated, and is driven convex
Wheel 143 rotates.Cam 143 promotes cam driven component 150 to rise by radial ball bearing 152, convex on cam 143 when crossing
Behind position (peak), under the effect of extension spring 160, cam driven component 150 hurtles down.Under the effect of cam 143, cam driven
Component 150 back and forth moves up and down and then drives the second impact hammer 132 on oscillating plate 130 to hit the shape of the first impact hammer 111 repeatedly
Light fixture in pairwise testing mounting seat 131 carries out vibration-testing.
A kind of vibration test table 100 that the utility model is provided, is provided with the second guide 153 and pedestal on oscillating plate
The first guide 112 on 110 patches cooperation, and first, second guide 112,153 can do relative motion, to ensure oscillating plate
Direction of vibration will not occur swing or skew on left and right directions, can effectively reduce cam rotary components 140 and cam driven
The abrasion of component 150, improves stability of vibration, makes Results of Vibration more accurate.
Further, with reference to Fig. 2, the first guide 112 is provided with groove 113, and the second guide 153 is provided with downwards convex
Block 154.Projection 154 is fallen into groove 113 so that first, second guide 112,153 patches cooperation and can be in oscillating plate 130
Relative move up and down is kept in vibration processes.
It is preferred that with reference to Fig. 1, pedestal 110 includes foundation frame 114 and the soleplate 115 being arranged on foundation frame 114,
Rubber column 116 is provided between soleplate 115 and foundation frame 114.Rubber column 116 has the function of stronger absorption vibration, can have
Effect reduction vibrating noise, reduces test light fixture accidental damage.
It is preferred that referring to figs. 2 to Fig. 4, cam driven component 150 also includes adjusting screw 154 and bearing block rotating shaft 155.
Bearing block 151 is arranged on oscillating plate 130 by bearing block rotating shaft 155, in other words, under the unlocked state of bearing block 151, axle
Bearing 151 can be that fulcrum Relative Vibration plate 130 is rotated with bearing block rotating shaft 155.Adjusting screw 154 passes through oscillating plate 130 and axle
Bearing 151, it is readily appreciated that, the height of adjusting screw 154 is adjusted, bearing block 151 can be made to do micro- around bearing block rotating shaft 155
Small lifting and decline.The high and low position of the Relative Vibration plate 130 of radial ball bearing 152 can be adjusted by adjusting screw 154.
First, in the case that the second impact hammer 111,132 has an abrasion, or cam 143, cam driven component 150 have abrasion, radial ball is adjusted
The height of bearing 152, can guarantee that test is accurate, improves the service life of vibration test table 100.Generally, rotating shaft 142 is to convex
Take turns 143 peaks, with radial ball bearing 152 is cylindrical contact when first, second impact hammer 111,132 between gap be adjusted to
2.896mm, to meet existing testing standard requirement.
More preferably, cam driven component 150 also includes trip bolt 156, and trip bolt 156 is passed down through bearing block 151,
The bottom of trip bolt 156 is resisted against on oscillating plate 130 to fix the relative position of radial ball bearing 152 and cam 143.Adjusting
After the high and low position for having tried the Relative Vibration plate 130 of radial ball bearing 152, it can be fixed by trip bolt 156.
It is preferred that cam driven component 150 can use the coaxial radial ball bearing 152 reclined of two pieces.The coaxial patch of two pieces
The radial ball bearing 152 leaned on is suitable with the width of cam 143 on width, adds contact width, transports cam driven component 150
Row is more stable, and vibration panel vibration is steady.In one embodiment, the contact with cam 143 of radial ball bearing 152 case hardness is high,
It is highly polished.
It is preferred that cam driven component 150 is arranged on the width centreline of oscillating plate 130.
Fig. 5 shows the cam of one embodiment of the present utility model and the structural representation of rotating shaft.As illustrated, cam
143 and rotating shaft 142 be integrally formed.The curve of cam 143 meets requirement of the test standard to curve, and its rotating shaft 142 can be made again
The diameter of axle will not too small and weakening that cause the intensity of rotating shaft 142.
It is preferred that the first impact hammer 111 is removably disposed on pedestal 110.After vibration test table 100 is used for a long time,
First impact hammer 111 is easily impacted and worn and torn, and the first impact hammer 111 can be convenient for changing by being designed as removably.It is real one
Apply in example, first, second impact hammer 111,132 uses steel alloy material, meet to hit and damage small, the need increased the service life
Ask.
It is preferred that stage clip group 121 includes being separately positioned on two die springs above and below oscillating plate 130.Two
The pressure of root die springs can adjust.Spring washer, spring pad are additionally provided with the link position of oscillating plate 130 and die springs
The spherical shape of contact surface of circle and oscillating plate 130.Spring washer one side makes sphere can be surrounded with meeting when oscillating plate 130 vibrates
Before spring washer, backward to the Small-angle Rotation of horizontal plane, this kind of shape can improve the stability of the vibration of oscillating plate 130, reduce
The abrasion of each part each other.
Fig. 6 shows the structural representation of one embodiment of the present utility model.As illustrated, vibration test table 100 is also
Including case 170, case 170 is covered on cam rotary components 140, cam driven component 150 and oscillating plate 130.Case 170
Dust invasion can be reduced, component wear quickening is easily caused when dust is assembled and unfavorable lubrication, noise are big.Wherein, test peace
Dress seat 131 is reached outside case 170, and case 170 is fixed by screws on pedestal 110.
It is preferred that vibration test table 100 also includes electric control box.Electric control box electrically connects electric machine assembly, electric-controlled
Case processed can control the vibration frequency of vibration test table 100.In order to ensure operation that electric component is safe and reliable, electric control box with
Pedestal 110 is provided separately.In addition, electric control box can guarantee that cam 143 rotates in one direction, it is ensured that vibration test table 100
Safe operation.
It is preferred that the vibration frequency of oscillating plate 130 is not more than 900 beats/min.
Those skilled in the art can be obvious, can carry out various modifications and change to above-mentioned example embodiment of the present utility model
Type is without departing from spirit and scope of the present utility model.Accordingly, it is intended to make the utility model covering fall in appended claims
And its in the range of equivalent arrangements to modifications and variations of the present utility model.
Claims (10)
1. a kind of vibration test table, it is characterised in that including：
Pedestal, provided with the first impact hammer and the first guide；
Compression spring frame, is fixed on the pedestal, including vertically disposed multiple stage clip groups；
Oscillating plate, one end is fixed by the stage clip group, and the top surface of the other end is provided with test mounting seat, and its bottom surface is hit provided with second
It is oppositely arranged above and below hammer, first, second impact hammer；
Cam rotary components, are fixed on the pedestal, including electric machine assembly, rotating shaft and cam, and the cam is fixed on described
In rotating shaft, the electric machine assembly can drive the rotating shaft to rotate, and then drive the cam rotation；
Cam driven component, is arranged on the oscillating plate, including bearing block, radial ball bearing and the second guide, it is described to
Heart ball bearing and the second guide are arranged on the bearing block, and the radial ball bearing is located above the cam, and described the
Two guides patch cooperation with first guide downwards；
Many extension springs, the two ends of the single extension spring are connected with the oscillating plate and pedestal respectively, and the extension spring is used for will be described
Oscillating plate pulls to the pedestal；
Wherein, in the vibration test table course of work, the cam rotation, the cam is pushed away by the radial ball bearing
Move the cam driven component to move up and down, and then drive the second impact hammer on the oscillating plate to hit described first repeatedly and hit
Hammer.
2. vibration test table according to claim 1, it is characterised in that the pedestal includes foundation frame and is arranged on described
Soleplate on foundation frame, is provided with rubber column between the soleplate and the foundation frame.
3. vibration test table according to claim 1, it is characterised in that first guide is provided with groove, described the
Two guides are provided with projection, and the projection is fallen into the groove so that first, second guide patches cooperation and can protected
Hold relative movement.
4. vibration test table according to claim 1, it is characterised in that the cam driven component also includes adjusting screw
With bearing block rotating shaft, the bearing block is arranged on the oscillating plate by the bearing block rotating shaft, and the adjusting screw is passed through
The oscillating plate and the bearing block, the position for adjusting the relatively described oscillating plate of the radial ball bearing.
5. vibration test table according to claim 4, it is characterised in that the cam driven component also includes fastening spiral shell
Nail, the trip bolt is passed down through the bearing block, and the bottom of the trip bolt is resisted against on the oscillating plate with fixation
The relative position of the radial ball bearing and the cam.
6. vibration test table according to claim 1, it is characterised in that the cam driven component is arranged on the vibration
On the width centreline of plate.
7. vibration test table according to claim 1, it is characterised in that the cam and the rotating shaft are integrally formed.
8. vibration test table according to claim 1, it is characterised in that first impact hammer is removably disposed in institute
State on pedestal.
9. vibration test table according to claim 1, it is characterised in that also including case, the case is covered in described
On cam rotary components, cam driven component and oscillating plate, the test mounting seat is reached outside the case, and the case leads to
Screw is crossed to be fixed on the pedestal.
10. vibration test table according to claim 1, it is characterised in that the stage clip group is described including being separately positioned on
Two die springs above and below oscillating plate, bullet is additionally provided with the link position of the oscillating plate and the die springs
Spring packing ring, the spherical shape of contact surface of the spring washer and the oscillating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720101630.7U CN206479303U (en) | 2017-01-25 | 2017-01-25 | A kind of vibration test table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720101630.7U CN206479303U (en) | 2017-01-25 | 2017-01-25 | A kind of vibration test table |
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| Publication Number | Publication Date |
|---|---|
| CN206479303U true CN206479303U (en) | 2017-09-08 |
Family
ID=59753775
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720101630.7U Active CN206479303U (en) | 2017-01-25 | 2017-01-25 | A kind of vibration test table |
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| CN (1) | CN206479303U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748280A (en) * | 2017-10-19 | 2018-03-02 | 魏爱玲 | A kind of electric automatization testboard |
| CN108827636A (en) * | 2018-04-20 | 2018-11-16 | 叶爱丹 | Table of equipment is used in a kind of experiment of engine tilts |
| CN111443220A (en) * | 2020-04-01 | 2020-07-24 | 河南省计量科学研究院 | Calibration device for engine speed measuring instrument |
| CN112304546A (en) * | 2020-10-29 | 2021-02-02 | 博众精工科技股份有限公司 | Vibration testing device |
| CN117554019A (en) * | 2024-01-02 | 2024-02-13 | 福建首盛消防科技股份有限公司 | Seven fluoropropane fire extinguisher performance detection device |
-
2017
- 2017-01-25 CN CN201720101630.7U patent/CN206479303U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748280A (en) * | 2017-10-19 | 2018-03-02 | 魏爱玲 | A kind of electric automatization testboard |
| CN108827636A (en) * | 2018-04-20 | 2018-11-16 | 叶爱丹 | Table of equipment is used in a kind of experiment of engine tilts |
| CN108827636B (en) * | 2018-04-20 | 2019-11-29 | 林梅仙 | Table of equipment is used in a kind of experiment of engine tilts |
| CN111443220A (en) * | 2020-04-01 | 2020-07-24 | 河南省计量科学研究院 | Calibration device for engine speed measuring instrument |
| CN112304546A (en) * | 2020-10-29 | 2021-02-02 | 博众精工科技股份有限公司 | Vibration testing device |
| CN117554019A (en) * | 2024-01-02 | 2024-02-13 | 福建首盛消防科技股份有限公司 | Seven fluoropropane fire extinguisher performance detection device |
| CN117554019B (en) * | 2024-01-02 | 2024-03-29 | 福建首盛消防科技股份有限公司 | Seven fluoropropane fire extinguisher performance detection device |
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