CN206804257U - Drift for mechanical structure collision performance simulation experiment platform - Google Patents
Drift for mechanical structure collision performance simulation experiment platform Download PDFInfo
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- CN206804257U CN206804257U CN201720325732.7U CN201720325732U CN206804257U CN 206804257 U CN206804257 U CN 206804257U CN 201720325732 U CN201720325732 U CN 201720325732U CN 206804257 U CN206804257 U CN 206804257U
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Abstract
The utility model discloses the drift for mechanical structure collision performance simulation experiment platform, drift is cylindrical-shaped structure, and the end face of drift is the curved surface of convex；Multiple through holes are axially machined with along drift on curved surface, through hole is distributed in concentric circles, and the number of concentric circles is at least three, and multiple through holes are evenly equipped with each concentric circle, and through hole is used to drift being fixed on below table top；The angle in hole and the hole on the second circumference on the first circumference is 30 °；The angle in hole and the hole on the second circumference on the 3rd circumference is 15 °, and the angle in the hole on the 3rd circumference and the hole on the first circumference is also 15 °.The contact surface of drift and waveshape generating device of the present utility model is curved surface so that contact of the drift with waveshape generating device is that point contacts；Through hole, which is arranged such that between drift and table top, on drift meets to be rigidly connected, and improves the stability of waveform.
Description
Technical field
The utility model belongs to mechanical environment simulation experiment platform technical field, and in particular to one kind is touched for mechanical structure
Hit the drift of performance simulation experiment porch.
Background technology
Bump testing machine is touched, is to adopt the impact test equipment computerizedd control.For being touched to various complete machines, device
Experiment is hit, to examine these industrial products, particularly electric and electronic product, military equipment, under the conditions of impact environment, performance
Adaptability and structure integrity, ensure that product has highly reliable quality；And engineer testing, optimization are carried out to new product
Design indispensable means.Mainly there are control unit, detection unit, execution unit, data acquisition unit and machine assembly, its
In, machine assembly mainly includes table top, stage body, hoisting mechanism, cushion pad (i.e. waveshape generating device) and dragging system, under table top
Side is provided with drift, and by the effect between drift and cushion pad, the active force suffered by object under test on table top is passed through into drift
Detection unit is handed to buffering dig pass, the drift of current collision stage and the contact surface of cushion pad generally are plane, this to connect
Tactile mode can reduce the stability of final waveform, influence analog result, it is impossible to accurately provide ginseng for actual collision process
Examine.
The content of the invention
For defect present in prior art, the purpose of this utility model is to provide a kind of mechanical structure that is used for and collides property
The drift of energy simulation experiment platform, the drift for solving existing collision stage cause asking for collision waveform stability difference for plane
Topic.
In order to solve the above-mentioned technical problem, the utility model, which adopts the following technical scheme that, is achieved：
For the drift of mechanical structure collision performance simulation experiment platform, described drift cylindrical-shaped structure, described rushes
The end face of head is the curved surface of convex；
Multiple through holes are axially machined with along drift on described curved surface, described through hole is distributed in concentric circles, described
The number of concentric circles is at least three, and multiple through holes are evenly equipped with each concentric circle, and described through hole is used to consolidate drift
It is scheduled on below table top.
The number of described concentric circles preferably three, the angle in hole and the hole on the second circumference on the first circumference is 30 °；
The angle in hole and the hole on the second circumference on the 3rd circumference is 15 °, and the hole on the 3rd circumference and the hole on the first circumference
Angle is also 15 °.
Compared with prior art, the beneficial effects of the utility model are：
The contact surface of drift and waveshape generating device of the present utility model is curved surface so that drift and waveshape generating device
Contact as a contact；Through hole, which is arranged such that between drift and table top, on drift meets to be rigidly connected, and improves the stabilization of waveform
Property.
Brief description of the drawings
Fig. 1 is the structural representation of drift of the present utility model.
Fig. 2 is integrally-built front view of the present utility model.
Fig. 3 is integrally-built top view of the present utility model.
Fig. 4 is integrally-built side view of the present utility model.
Fig. 5 is the structural representation of table top of the present utility model.
Fig. 6 is the structural representation of waveshape generating device of the present utility model.
Fig. 7 is the structural representation of synchronous transmission device of the present utility model.
Fig. 8 is the structural representation of cam center arrangement for adjusting height of the present utility model.
Fig. 9 is the structural representation of earthquake isolating equipment of the present utility model.
Figure 10 is the top view and side sectional view of the cover plate of shock insulation unit of the present utility model.
Figure 11 is the structural representation of guiding earthquake isolating equipment of the present utility model.
Figure 12 is the structural representation of cam lubricating apparatus of the present utility model.
Figure 13 is the structural representation of synchronous measuring apparatus of the present utility model.
Figure 14 is the structural representation of cam of the present utility model.
Figure 15 is the collision waveform under the utility model zero load.
Figure 16 is collision waveform of the utility model under unloaded and load feelings.
Each label is expressed as in figure：1- table tops, 2- stage bodies, 3- waveshape generating devices, 4- Synchronizable drive systems, in 5- cams
Heart height adjusting system, 6- earthquake isolating equipments, 7- drifts, 8- lubricating arrangements；
(1-1)-connecting portion, (1-2)-locating rod；(2-1)-base, (2-2)-upper plate, (2-3)-lower shoe；
(3-1)-base, (3-2)-sleeve, (3-3)-cushion block, (3-4)-cushion；
(4-1)-main motor, (4-2)-power transmission shaft, (4-3)-synchronous belt drive mechanism, (4-4) cam；(4-3-1)-it is synchronous
Band, (4-3-2)-belt wheel；
(5-1)-connecting seat, (5-2)-the first supporting plate, (5-3)-the second supporting plate, (5-6)-motor, (5-7)-position
Displacement sensor；
(5-1-1)-U-shaped board, (5-1-2)-cylinder, (5-1-3)-first through hole, (5-1-4)-the second through hole, (5-1-5)-
Third through-hole；
(5-4-1)-leading screw, (5-4-2)-screw, (5-4-3)-axis of guide, (5-4-4)-guide sleeve；(5-5-1)-the first
Gear, (5-5-2)-second gear；
(6-1)-cover plate, (6-2)-bottom plate, (6-3)-air bag, (6-4)-airway tube, (6-5)-damper；(6-1-1)-it is fixed
Position block, (6-1-2)-through hole, (6-5-1)-sleeve, (6-5-2)-stopper rod, (6-5-3)-otic placode, (6-5-4)-angle steel；(7-1)-
Through hole.
(8-1)-cup, (8-2)-cup lid, (8-3)-support；(8-1-1)-connecting rod, (8-3-1)-first through hole, (8-
3-2)-groove, (8-3-3)-the second through hole；
(9-1)-code-disc, (9-2)-sensor, (9-3)-support, (9-4)-pad.
Explanation is further explained in detail to particular content of the present utility model below in conjunction with the drawings and specific embodiments.
Embodiment
Drift of the present utility model is cylindrical-shaped structure, and the cushion end face of drift and waveshape generating device is convex
Curved surface, while the contact surface of cushion and drift is also curved surface, can so ensure that both contacts contact for point, reduce waveform
Interference.It is machined with multiple through holes on drift, through hole is distributed in concentric circles, and the number of concentric circles has at least three, on the first circumference
Hole and the second circumference on the angle in hole be 30 °；The angle in hole and the hole on the second circumference on the 3rd circumference is 15 °, and
The angle in the hole on the 3rd circumference and the hole on the first circumference is also 15 °.This ensure that being rigidly connected for drift and table top, keeps away
The distortion of waveform is exempted from.
In impact test, when concentric circles number is two, the collision waveform distortion of impact test acquisition, work as concentric circles
When number increases to three, the waveform of acquisition is normal.
Embodiment 1
As shown in figure 1, the present embodiment provides a kind of drift for mechanical structure collision performance simulation experiment platform, drift
7 be cylindrical-shaped structure, and the end face of drift 7 is the curved surface of convex；
Multiple through hole 7-1 are axially machined with along drift 7 on curved surface, through hole 7-1 is distributed in concentric circles, the number of concentric circles
At least three, multiple through hole 7-1 are evenly equipped with each concentric circle, through hole is used to drift being fixed on below table top；
The number of concentric circles preferably three, the angle in hole and the hole on the second circumference on the first circumference is 30 °；3rd circle
The angle in hole and the hole on the second circumference on week is 15 °, and the angle in the hole on the 3rd circumference and the hole on the first circumference
For 15 °.
Embodiment 2
With reference to accompanying drawing, the present embodiment provides a kind of mechanical structure collision performance simulation experiment platform, including table top 1, stage body
2nd, waveshape generating device 3, Synchronizable drive systems 4, cam center height adjusting system 5 and shock insulation platform 6；
Table top 1 is square, and the size of table top 1 is 1.2m × 1.2m, and the both sides of table top 1 are provided with motion transmission 1-1, motion transmission 1-
1 is arranged on stage body 2 by supporting plate 10；Stage body 2 includes base 2-1, upper plate 2-2 and lower shoe 2-3, and base 2-1 is placed in
Above upper plate 2-2, lower shoe 2-3 is placed in below upper plate 2-2；The lower section of table top 1 is provided with drift 7, and drift 7 is located in table top 1
The heart, the end face of drift 7 are the curved surface of convex；Multiple through hole 7-1 are axially machined with along drift, through hole is distributed in concentric circles,
The number of concentric circles is three, and 24 through holes are evenly equipped with each concentric circle, and through hole is used for drift high intensity screw
It is fixed on below table top.
Waveform generator device 3 includes base 3-1, sleeve 3-2, cushion block 3-3 and cushion 3-4, and base 3-1 is provided with to be interior
The cylinder of groove, sleeve 3-2 are socketed on base 3-1 inwall, and cushion block 3-3 and cushion 3-4 move engagement sleeves by specified tolerances
It is connected on sleeve 3-2 inwall, for cushion block 3-3 between cushion and base, cushion 3-4 other end end face is convex
Curved surface 3-5, curved surface 3-5 and drift 7 curved surface convexo-convex are mounted opposite.
Synchronizable drive systems 4 include main motor 4-1, power transmission shaft 4-2, synchronous belt drive mechanism 4-3 and cam 4-4；It is synchronous
Tape handler 4-3 includes a main dragging timing belt 4-3-1 and two groups of belt wheel 4-3-2；Stage body base both sides are respectively provided with one
Individual cam 4-4, two cam 4-4 are co-axially mounted with a driven pulley 4-3-2 in the synchronous belt drive mechanism of two groups of left and right respectively,
Another main dragging synchronous pulley 4-3-2 is arranged on power transmission shaft 4-2, and power transmission shaft 4-2 is connected with main motor 4-1；Two cam 4-4
Synchronous axial system, it is synchronous to promote the support plate 10 for being separately mounted to table top both ends to promote the parallel rising of table top.
It is single that cam center height adjusting system 5 includes connecting seat 5-1, the first supporting plate 5-2, the second supporting plate 5-3, guiding
Member, variable-speed unit, motor 5-6 and displacement transducer 5-7；
Connecting seat 5-1 includes U-shaped board 5-1-1 and cylinder 5-1-2；U-shaped board 5-1-1 bottoms are fixed in cylinder 5-1-2 side walls
On, be machined with first through hole 5-1-3 on U-shaped board 5-1-1 walls, connecting seat 5-1 U-shaped board end by first through hole 5-1-3 with it is convex
Wheel 4-4 is co-axially mounted；A second through hole 5-1-4 and two third through-hole 5-1-5 is machined with cylinder 5-1-2；Third through-hole
5-1-5 is located at the second through hole 5-1-4 both sides, the axle of the second through hole 5-1-4 and third through-hole 5-1-5 axis and cylinder 5-1-2
Line direction is identical；
Pilot unit includes leading screw 5-4-1, screw 5-4-2, axis of guide 5-4-3 and guide sleeve 5-4-4；Screw 5-4-2 pacifies
In the second through hole 5-1-4, leading screw 5-4-1 spirals are arranged in screw 5-4-2；Guide sleeve 5-4-4 is arranged on third through-hole
In 5-1-5, axis of guide 5-4-3 is arranged in guide sleeve 5-4-4, and axis of guide 5-4-3 both ends are separately fixed at the first supporting plate
On 5-2 and the second supporting plate 5-3, one end of leading screw is fixed in the second supporting plate, and the other end of leading screw passes through the first supporting plate
5-3；
Variable-speed unit includes first gear 5-5-1 and second gear 5-5-2；First gear 5-5-1 and second gear 5-5-2
Engagement, first gear 5-5-1 are installed together with motor 5-6, and second gear 5-5-2 is arranged on above the first supporting plate 5-3
Leading screw 5-5-1 on；Sensor 5-7 is located at connecting seat 5-1 both ends.
Shock insulation platform includes lower shoe 2-3, shock insulation unit, airway tube 6-4 and is oriented to damping device, and shock insulation stage+module exists
Upper plate 2-2 lower section, shock insulation unit have 6；Shock insulation unit includes cover plate 6-1, the second bottom plate 6-2 and air bag 6-3, cover plate 6-
1 center is provided with locating piece 6-1-1, is positioned for the upper plate 2-2 with collision stage；It is machined with cover plate 6-1 in 90 °
Through hole 6-1-2, through hole 6-1-2 one end is located at the cover plate 6-1 end faces that are in contact with air bag 6-3, through hole 6-1-2 other end position
In cover plate 6-1 side；Multiple shock insulation units are connected in by airway tube 6-4 by the through hole 6-1-2 positioned at cover plate 6-1 side
Together, air pressure regulator is provided with the through hole 6-1-2 of cover plate 6-1 sides in one of shock insulation unit, passes through regulating valve
To adjust air bag 6-3 air pressure, and then adjust air bag 6-3 deflection；
Being oriented to damping device includes damper 6-5, and described damper shares four groups, and every group has two dampers, often
Two dampers of group are parallel to each other, and described four groups of dampers are located at lower shoe 2-3 corner location, damper 6-
5 include sleeve 6-5-1, stopper rod 6-5-2 and spring, and for spring in sleeve 6-5-1, stopper rod 6-5-2 one end is placed in sleeve 6-
It is connected in 5-1 with spring, the axis of spring and stopper rod 6-5-2 axis overlap.
Table top 1 is provided with multiple locating rod 1-2, and locating rod 1-2 is cylindrical, and locating rod 1-2 one end spiral is arranged on
On table top 1, the locating rod 1-2 other end is provided with groove 1-3；
Supporting plate 10 and roller 11 are provided between cam 4-4 and the connecting portion 1-1 of table top, supporting plate 10 is arranged on table top 1
Sidepiece, roller 11 are arranged on the lower section of supporting plate 10, and cam 4-4 is arranged on the end of cam center height adjusting system 5；
The top of roller 11 is provided with lubricating arrangement 8, and lubricating grease is filled with the lubricating arrangement, and lubricating grease applies depended on pressure and applied automatically
It is put on roller 11, roller drives grease lubrication cam 3-3；Lubricating arrangement 12 includes cup 8-1, cup lid 8-2 and support 8-
3；Cup 8-1 one end connects cup lid 8-2, and cup lid 8-2 can rotate around cup 8-1, and the cup 8-1 other end is provided with connecting rod 8-1-
1, connecting rod 8-1-1 are in hollow shape, and cup 8-1 inner chamber penetrates with connecting rod 8-1-1 inner chamber；Support 8-3 is square block,
First through hole 8-3-1 is machined with support 8-3, connecting rod 8-1-1 is arranged on support one end by first through hole 8-3-1；Support
The end face of the 8-3 other end is in the arc for concaving towards support 8-3 centers, and fluted 8-3-2 is circumferentially processed along cambered surface；Add on support 3
Work has the second through hole 8-3-3, and the lubricating arrangement is arranged in supporting plate 10 by the second through hole 8-3-3.
Code-disc 9-1, sensor 9-2 and support 9-3 are coaxially installed with first gear 5-5-1, sensor 9-2 is arranged on branch
On frame 9-3, sensor is U-shaped, and code-disc is placed in U-shaped opening, and pad is provided between code-disc 9-1 and first gear.
The present invention impact test result as described in Figure 15, the collision waveform of collision stage, it can be seen that the collision ripple of acquisition
Shape is in the tolerance band of national regulation.
Tested in the case where loading as 200kg, as a result as shown in figure 16, the waveform of figure lower middle portion is under load 200kg
Collision waveform, the peak accelerator under national regulation load 200kg be 30g, and pulse duration 4ms, this experiment is being born
Your pulse acceleration of the waveform for carrying to obtain under 200kg is 27g, pulse duration 4ms；Meanwhile collision stage is loading
It is in the waveform obtained under no-load condition in the tolerance band of national regulation.
Claims (2)
1. the drift for mechanical structure collision performance simulation experiment platform, it is characterised in that：Described drift (7) is cylindric
Structure, the end face of described drift (7) are the curved surface of convex；
Multiple through holes (7-1) are axially machined with along drift (7) on described curved surface, described through hole (7-1) is in concentric circles point
Cloth, the number of described concentric circles are at least three, and multiple through holes (7-1) are evenly equipped with each concentric circle, and described is logical
Hole is used to drift being fixed on below table top.
2. it is used for the drift of mechanical structure collision performance simulation experiment platform as claimed in claim 1, it is characterised in that：It is described
The number of concentric circles be three, the angle of through hole (7-1) and the through hole on the second circumference on the first circumference is 30 °；3rd
The angle of through hole (7-1) on through hole and the second circumference on circumference is 15 °, and the through hole (7-1) and first on the 3rd circumference
The angle in the hole on circumference is also 15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720325732.7U CN206804257U (en) | 2017-03-30 | 2017-03-30 | Drift for mechanical structure collision performance simulation experiment platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720325732.7U CN206804257U (en) | 2017-03-30 | 2017-03-30 | Drift for mechanical structure collision performance simulation experiment platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206804257U true CN206804257U (en) | 2017-12-26 |
Family
ID=60730740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720325732.7U Active CN206804257U (en) | 2017-03-30 | 2017-03-30 | Drift for mechanical structure collision performance simulation experiment platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206804257U (en) |
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2017
- 2017-03-30 CN CN201720325732.7U patent/CN206804257U/en active Active
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200628 Address after: Room 1605, unit 1, building 6, mantangyue community, 88 Jinye Road, Zhangba street, hi tech Zone, Xi'an City, Shaanxi Province Patentee after: Xi'an Congwu Electronic Technology Co., Ltd Address before: 710075 Shaanxi city of Xi'an province high tech Zone Industrial Park, the new road Jindu business block F No. 7 Patentee before: XI'AN GUANGQI TECHNOLOGIES Co.,Ltd. |