CN208569944U - A kind of engineering mechanics collision test device - Google Patents
A kind of engineering mechanics collision test device Download PDFInfo
- Publication number
- CN208569944U CN208569944U CN201820180034.7U CN201820180034U CN208569944U CN 208569944 U CN208569944 U CN 208569944U CN 201820180034 U CN201820180034 U CN 201820180034U CN 208569944 U CN208569944 U CN 208569944U
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- CN
- China
- Prior art keywords
- sliding slot
- collision
- accelerates
- making contact
- elastic force
- Prior art date
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- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of engineering mechanics collision test devices, including pedestal and crash tests object, the pedestal is equipped with rotational installation seat and support base, the rotational installation seat is equipped with telescopic supporting rod, the telescopic supporting rod is equipped with collision and accelerates sliding slot, the support base is equipped with making contact sliding slot, the collision accelerates to connect between sliding slot and making contact sliding slot by shaft, the collision accelerates sliding slot to be equipped with and accelerates elastic force apparatus, the acceleration elastic force apparatus is limited by postive stop baffle, postive stop baffle accelerates the raised item of sliding slot side to fix by collision, the collision area front-end and back-end of the making contact sliding slot are equipped with laser velocimeter device.The device is easy to operate, and safety is good, can accurately measure the relevant parameter of striking experiment, and the entire collision process of more vivid displaying is improved the quality of teaching.
Description
Technical field
The utility model relates to Engineering Mechanics Teaching technical field of tools, touch more specifically, being related to a kind of engineering mechanics
Hit experimental rig.
Background technique
Engineering mechanics is one and is related to numerous subject branch and extensive field of engineering technology, be a theoretical property it is relatively strong,
Extremely close technical foundation subject is contacted with engineering technology, theorem, law and the conclusion of engineering mechanics are widely used in each row
It is the important foundation for solving engineering problem in the engineering technology of each industry.At present in engineering mechanics learning process, in order to more
Accurately, vivider that experimental analysis is carried out to structural strength, it is generally simulated by collision experiment, but existing simulation fills
It is not good enough to set simulation effect, and is easily damaged, there are security risks.
Utility model content
The purpose of the utility model is to provide a kind of engineering mechanics collision test devices, and the device is easy to operate, safety
Property it is good, can accurately measure the relevant parameter of striking experiment, the entire collision process of more vivid displaying improves teaching matter
Amount.
To achieve the goals above, the technical solution adopted in the utility model is as follows:
A kind of engineering mechanics collision test device, including pedestal and crash tests object, the pedestal are equipped with rotation peace
Seat and support base are filled, the rotational installation seat is equipped with telescopic supporting rod, and the telescopic supporting rod is equipped with collision and accelerates
Sliding slot, the support base are equipped with making contact sliding slot, and the collision accelerates to pass through between sliding slot and making contact sliding slot
Shaft connection, the collision accelerate sliding slot to be equipped with and accelerate elastic force apparatus, and the acceleration elastic force apparatus passes through postive stop baffle
Limit, postive stop baffle accelerates the raised item of sliding slot side to fix by collision, before the collision area of the making contact sliding slot
End and rear end are equipped with laser velocimeter device, are equipped with high-speed camera, institute above the collision area of the making contact sliding slot
It states and connects display above high-speed camera, the display is fixed by connecting plate and support base, the making contact
Sliding slot end is equipped with dynamometry elastic force apparatus, is equipped with the coaxial detection device of mass center above the dynamometry elastic force apparatus.
Further, the crash tests object uses spin or sliding block.
Further, graduation mark is equipped on the raised item and making contact sliding slot.
Further, controller, camera shooting display module, speed data memory module and electricity are equipped with inside the support base
Source, the camera shooting display module, speed data memory module and power supply pass through route and connect with controller, the camera shooting
Display module is connect by route with display and high-speed camera, and the speed data memory module passes through route and two
The connection of laser velocimeter device.
Compared with the prior art, the beneficial effects of the utility model are as follows:
The utility model is using two laser velocimeter devices respectively to the crash tests object before collision and the collision after collision
Tester carries out velocity measuring, facilitates and calculates momentum and momentum；It is touched using high-speed camera and display record crash tests object
Miniature deformation situation when hitting differentiates perfectly elastic impact, elastic collision and plastic collision；Using acceleration elastic force apparatus and dynamometry
The components such as elastic force apparatus facilitate calculating force and stress data；Using the coaxial detection device of mass center, for detecting two collision objects
Constitution heart location information differentiates central collision and eccentric impact, in conclusion the device is easier that experimenter is helped to be touched
Measurement data is hit, safety is good, and the entire collision process of more vivid displaying is improved the quality of teaching.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
In figure: 1, pedestal；2, support base；3, it is rotatablely installed seat；4, telescopic supporting rod；5, accelerate elastic force apparatus；6, it limits
Baffle；7, raised item；8, collision accelerates sliding slot；9, connecting plate；10, display；11, high-speed camera；12, making contact is sliding
Slot；13, laser velocimeter device；14, the coaxial detection device of mass center；15, dynamometry elastic force apparatus.
Specific embodiment
In order to which the technical means, creative features, achievable purpose and effectiveness for realizing utility model are easy to understand, below
In conjunction with being specifically illustrating, the utility model is further described.
As shown in Figure 1, a kind of engineering mechanics collision test device, including pedestal 1 and crash tests object, pedestal 1 are equipped with
It is rotatablely installed seat 3 and support base 2, rotational installation seat 3 is equipped with telescopic supporting rod 4, and telescopic supporting rod 4 is equipped with collision and accelerates to slide
Slot 8, support base 2 are equipped with making contact sliding slot 12, and collision accelerates to connect between sliding slot 8 and making contact sliding slot 12 by shaft
It connects, collision accelerates sliding slot 8 to be equipped with and accelerates elastic force apparatus 5, accelerates elastic force apparatus 5 to limit by postive stop baffle 6, postive stop baffle 6
Accelerate the raised item 7 of 8 side of sliding slot fixed by collision, the collision area front-end and back-end of making contact sliding slot 12 are equipped with sharp
The collision area top of flash ranging speed variator 13, making contact sliding slot 12 is equipped with high-speed camera 11, connects above high-speed camera 11
Display 10 is connect, display 10 is fixed by connecting plate 9 and support base 2, and 12 end of making contact sliding slot is filled equipped with dynamometry elastic force
15 are set, the coaxial detection device 14 of mass center is equipped with above dynamometry elastic force apparatus 15, crash tests object uses spin or sliding block, raised item
7 and making contact sliding slot 12 on be equipped with graduation mark, controller, camera shooting display module, speed data are equipped with inside support base 2 and is deposited
Module and power supply are stored up, camera shooting display module, speed data memory module and power supply pass through route and connect with controller, and camera shooting is aobvious
Show that module is connect by route with display 10 and high-speed camera 11, speed data memory module passes through route and two laser
Speed measuring device 13 connects.
When carrying out engineering mechanics collision experiment using the device, crash tests object is first placed in collision and is accelerated inside sliding slot 8,
Kinetic energy at the beginning of by accelerating elastic force apparatus 5 to give crash tests object simultaneously records data, opens postive stop baffle 6, the movement of crash tests object
It is collided to 12 inside of making contact sliding slot with another crash tests object, is recorded and be shown in aobvious by high-speed camera 11
Show on device 10, finally stopped on dynamometry elastic force apparatus 15 by collision object and records data, laser velocimeter device in whole process
13 pairs of collision testers carry out velocity measuring and record.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.This
The technical staff of industry is retouched in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
That states only illustrates the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model
It will also have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.This is practical new
Type is claimed range and is defined by the appending claims and its equivalent thereof.
Claims (4)
1. a kind of engineering mechanics collision test device, it is characterised in that: including pedestal and crash tests object, set on the pedestal
There are rotational installation seat and support base, the rotational installation seat is equipped with telescopic supporting rod, and the telescopic supporting rod is equipped with
Collision accelerates sliding slot, and the support base is equipped with making contact sliding slot, and the collision accelerates sliding slot and making contact sliding slot
Between connected by shaft, the collision accelerates sliding slot to be equipped with and accelerates elastic force apparatus, and the acceleration elastic force apparatus passes through
Postive stop baffle limit, postive stop baffle accelerate the raised item of sliding slot side to fix by collision, and the making contact sliding slot touches
It hits region front-end and back-end and is equipped with laser velocimeter device, be equipped with high speed above the collision area of the making contact sliding slot and take the photograph
Camera, the high-speed camera top connect display, and the display is fixed by connecting plate and support base, and described touches
It hits contact sliding slot end and is equipped with dynamometry elastic force apparatus, be equipped with the coaxial detection device of mass center above the dynamometry elastic force apparatus.
2. a kind of engineering mechanics collision test device according to claim 1, it is characterised in that: the crash tests object
Using spin or sliding block.
3. a kind of engineering mechanics collision test device according to claim 1, it is characterised in that: the raised item and touch
It hits and is equipped with graduation mark on contact sliding slot.
4. a kind of engineering mechanics collision test device according to claim 1, it is characterised in that: inside the support base
It is deposited equipped with controller, camera shooting display module, speed data memory module and power supply, the camera shooting display module, speed data
Storage module and power supply pass through route and connect with controller, and the camera shooting display module is taken the photograph by route and display and high speed
Camera connection, the speed data memory module are connect by route with two laser velocimeter devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820180034.7U CN208569944U (en) | 2018-02-01 | 2018-02-01 | A kind of engineering mechanics collision test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820180034.7U CN208569944U (en) | 2018-02-01 | 2018-02-01 | A kind of engineering mechanics collision test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208569944U true CN208569944U (en) | 2019-03-01 |
Family
ID=65452534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820180034.7U Expired - Fee Related CN208569944U (en) | 2018-02-01 | 2018-02-01 | A kind of engineering mechanics collision test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208569944U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095244A (en) * | 2019-05-08 | 2019-08-06 | 唐山学院 | A kind of engineering mechanics collision test device |
-
2018
- 2018-02-01 CN CN201820180034.7U patent/CN208569944U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095244A (en) * | 2019-05-08 | 2019-08-06 | 唐山学院 | A kind of engineering mechanics collision test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20200201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |