CN205483835U - Young modulus apparatus - Google Patents
Young modulus apparatus Download PDFInfo
- Publication number
- CN205483835U CN205483835U CN201620207463.XU CN201620207463U CN205483835U CN 205483835 U CN205483835 U CN 205483835U CN 201620207463 U CN201620207463 U CN 201620207463U CN 205483835 U CN205483835 U CN 205483835U
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- China
- Prior art keywords
- dop
- slot hole
- mirror holder
- elongated hole
- metapedes
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Abstract
The utility model relates to a laboratory glassware discloses young modulus apparatus, including extensometer (1), optical lever (2), still including installing stock (25) on mirror holder (21), install on stock (25) metapedes (24), still include locating lever (26), locating convex block (27) are installed to the other end of locating lever (26), be equipped with slot hole (131) on platform (13), locating lever (26) are passed slot hole (131) and are slided in slot hole (131), the width of locating convex block (27) is greater than the width of slot hole (131). The utility model discloses the cooperation of crossing locating lever and slot hole, when making the optical lever reach the turnover angle, the locating convex block card is in the outside of slot hole and can't pass the slot hole, makes the unable turnover of optical lever, has avoided the damage of speculum, in addition, because the setting of slot hole, has guaranteed that the optical lever can not take place the side at the in -process of slope and move.
Description
Technical field
This utility model relates to experimental apparatus, has particularly related to measure apparatus of youngs modulus.
Background technology
Young's modulus is the physical quantity describing solid material opposing deformability.When a length of L, a sectional area
When extending Δ L for the tinsel of S under the effect of power F, F/S is stress, and its physical significance is tinsel unit
Power suffered by sectional area；Δ L/L cries strain, and its physical significance is the elongation corresponding to tinsel unit length
Amount.The ratio of stress and strain is elastic modelling quantity.Δ L is change.What Young's modulus was weighed is one each
To the rigidity of same sex elastomer, it is defined as in the scope that Hooke's law is suitable for, simple stress and Uniaxial Deformation
Between ratio.Optical lever in common measure apparatus of youngs modulus is susceptible to topple over during tilting, and makes
Become the damage of reflecting mirror.
Summary of the invention
This utility model is for the easy overturning of optical lever in prior art, the flimsy shortcoming of reflecting mirror, it is provided that
Measure apparatus of youngs modulus.
In order to solve above-mentioned technical problem, this utility model is addressed by following technical proposals:
Measure apparatus of youngs modulus, including extensometer, optical lever, telescope and scale, extensometer is provided with
First dop and platform, one end of measured material fixed by the first dop, and the other end of measured material is fixed
Having the second dop, the underhung of the second dop to have counterweight, the second dop is affected by the elongation of measured material
Moving down, optical lever includes mirror holder and the reflecting mirror being arranged on mirror holder, and mirror holder is provided with two front foots
With a metapedes, two front foots are arranged on the left and right sides of the lower section of reflecting mirror, and metapedes is positioned at two front foots even
On the centrage of line, front foot is both placed on platform, and metapedes is placed on the second dop, also includes being arranged on
Stock on mirror holder, metapedes is arranged on stock, and stock is provided with the screwed hole in vertical and horizontal face, also wraps
Including location bar, one end of location bar is provided with the external screw thread coordinated with screwed hole), the other end of location bar is provided with
Locating convex block, platform is provided with elongated hole, and location bar slides through elongated hole and in elongated hole, the width of locating convex block
Degree is more than the width of elongated hole.By coordinating of location bar and elongated hole, when making optical lever reach overturning angle, calmly
Position projection is stuck in the outside of elongated hole and cannot pass elongated hole, make the optical lever cannot overturning, it is to avoid reflecting mirror
Damage, additionally, due to the setting of elongated hole, it is ensured that optical lever will not occur sidesway during tilting.
As preferably, scale includes that base plate, scale plate and cover cap, base plate and cover cap mutually fasten, scale plate
Being arranged in base plate and cover cap, base plate is provided with LED, cover cap is transparent plastic cover, the appearance of cover cap
Face is provided with a plurality of convex tendon.By the diffuse-reflectance effect of LED and convex tendon, the number of degrees are made to become apparent from.
As preferably, mirror holder is provided with Magnet.Platform is irony platform, by the Magnet installed on mirror holder,
Make between optical lever and platform, there is mutual suction, effectively prevent mirror holder from being affected generation relative to platform by external force
Level slide, it is ensured that experimental data accurate.
This utility model, owing to have employed above technical scheme, has a significant technique effect: cross location bar with
The cooperation of elongated hole, when making optical lever reach overturning angle, locating convex block is stuck in the outside of elongated hole and cannot pass
Elongated hole, make the optical lever cannot overturning, it is to avoid the damage of reflecting mirror, additionally, due to the setting of elongated hole, protects
Demonstrate,prove optical lever, during tilting, sidesway will not occur.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the part-structure schematic diagram of Fig. 1.
Fig. 3 is the sectional view of Fig. 2.
Fig. 4 is the structural representation of the scale in Fig. 1.
The toponym that in accompanying drawing, each number designation is referred to is as follows: 1 extensometer, 2 optical levers, 3 prestiges
Remote mirror, 4 scales, 11 first dops, 12 second dops, 13 platforms, 14 counterweights, 21 mirrors
Frame, 22 reflecting mirrors, 23 front foots, 24 metapedes, 25 stocks, 26 location bar, 27 convexes
Block, 41 base plates, 42 scale plates, 43 cover caps, 44 LED, 131 elongated holes, 211 Magnet,
251 screwed holes, 261 external screw threads, 431 convex tendons.
Detailed description of the invention
With embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
Measure apparatus of youngs modulus, including extensometer 1, optical lever 2, telescope 3 and scale 4, extensometer 1
On the first dop 11 and platform 13 are installed, one end of measured material is fixed by the first dop 11, tested
The other end of material is fixed with the second dop 12, and the underhung of the second dop 12 has counterweight 14, the second card
12 are affected by the elongation of measured material and to be moved down, and optical lever 2 includes mirror holder 21 and is arranged on mirror holder
Reflecting mirror 22 on 21, mirror holder 21 is provided with two front foots 23 and a metapedes 24, two front foots 23
Being arranged on the left and right sides of the lower section of reflecting mirror 22, metapedes 24 is positioned on the centrage of two front foot 23 lines,
Front foot 23 is both placed on platform 13, and metapedes 24 is placed on the second dop 12, one end of measured material
Being fixed on extensometer 1 and the most sagging, the other end of measured material is provided with the second dop 12, platform 13
Being provided with hole, the second dop moves up and down in the hole of platform 13, in the case of measured material does not bears a heavy burden,
The upper surface of the second dop 12 and the upper surface of platform 13 are positioned in same level, now front foot 23 and after
Foot 24 also is located in same level, optical lever 2 horizontal positioned, axially putting down with horizontal plane of reflecting mirror 22
OK, user is by hoping that glasses 3 read the reading of scale 4 via the reflection of reflecting mirror 22；Work as measured material
Lower section hang up counterweight 14, due to measured material stretching elongated, the second dop 12 moves down, metapedes 24
Also with moving down, optical lever 2 tilts backwards, and now, the reflection angle of reflecting mirror 22 changes,
By hoping that glasses 3 read the number of degrees of scale 4, carry out can be calculated the anti-of reflecting mirror 22 by twice reading
The firing angle change number of degrees, and then obtain the percentage elongation of measured material, also include the stock 25 being arranged on mirror holder 21,
Metapedes 24 is arranged on stock 25, and stock 25 is provided with the screwed hole 251 in vertical and horizontal face, also includes
Location bar 26, one end of location bar 26 is provided with the external screw thread 261 coordinated with screwed hole 251, positions bar 26
The other end locating convex block 27 is installed, platform 13 is provided with elongated hole 131, and location bar 26 is through elongated hole 131
And slide in elongated hole 131, the width of locating convex block 27 more than the width of elongated hole 131, when optical lever 2 with
When the second dop 12 tilts and cause crank, be susceptible to overturning, cause the damage of reflecting mirror 22,
By coordinating of location bar 26 and elongated hole 131, when making optical lever 2 reach overturning angle, locating convex block 27
Width more than the width of elongated hole 131, locating convex block 27 is stuck in the outside of elongated hole 131 and cannot pass elongated hole
131, make the optical lever 2 cannot overturning, it is to avoid the damage of reflecting mirror 22, additionally, due to elongated hole 131
Arrange, it is ensured that optical lever 2 will not occur sidesway during tilting.Scale 4 includes base plate 41, carves
Degree sheet 42 and cover cap 43, base plate 41 and cover cap 43 mutually fasten, and scale plate 42 is arranged on base plate 41 and cover
In lid 43, base plate 41 being provided with LED 44, cover cap 43 is transparent plastic cover, the appearance of cover cap 43
Face is provided with convex tendon 431, by the LED 44 being evenly distributed on base plate 41, makes by telescope 3
The picture observing scale 4 is clear, obvious, and the accurate number of degrees are easy in the diffuse-reflectance effect of convex tendon 431.On mirror holder 21
Being provided with Magnet 211, platform 13 is irony platform, by the Magnet installed on mirror holder 21, make optical lever 2 with
There is mutual suction between platform 13, effectively prevent mirror holder 21 from being affected generation relative to platform 13 by external force
Level is slided, it is ensured that experimental data accurate.
In a word, the foregoing is only preferred embodiment of the present utility model, all apply for a patent according to this utility model
Equalization change and the modification that scope is made, all should belong to the covering scope of this utility model patent.
Claims (3)
1. measure apparatus of youngs modulus, including extensometer (1), optical lever (2), telescope (3) and scale (4),
Being provided with the first dop (11) and platform (13) on extensometer (1), one end of measured material is by the
One dop (11) is fixed, and the other end of measured material is fixed with the second dop (12), the second dop (12)
Underhung have counterweight (14), the second dop (12) to be affected to moving down by the elongation of measured material
Dynamic, optical lever (2) includes mirror holder (21) and the reflecting mirror (22) being arranged on mirror holder (21),
Two front foots (23) and a metapedes (24), two front foot (23) peaces are installed on mirror holder (21)
Being contained in the left and right sides of the lower section of reflecting mirror (22), metapedes (24) is positioned at two front foots (23) even
On the centrage of line, front foot (23) is both placed on platform (13), and metapedes (24) is placed on
On two dops (12), it is characterised in that: also include the stock (25) being arranged on mirror holder (21),
Metapedes (24) is arranged on stock (25), and stock (25) is provided with the screw thread in vertical and horizontal face
Hole (251), also includes positioning bar (26), and one end of location bar (26) is provided with and screwed hole (251)
The external screw thread (261) coordinated, the other end of location bar (26) is provided with locating convex block (27), platform
(13) being provided with elongated hole (131), location bar (26) is through elongated hole (131) and in elongated hole (131)
Middle slip, the width of locating convex block (27) is more than the width of elongated hole (131).
Measure apparatus of youngs modulus the most according to claim 1, it is characterised in that: scale (4) includes base plate
(41), scale plate (42) and cover cap (43), base plate (41) and cover cap (43) mutually fasten,
Scale plate (42) is arranged in base plate (41) and cover cap (43), and base plate is provided with LED on (41)
Lamp (44), cover cap (43) is transparent plastic cover, and the outer surface of cover cap (43) is provided with a plurality of convex tendon
(431)。
Measure apparatus of youngs modulus the most according to claim 1, it is characterised in that: mirror holder (21) is upper to be installed
There is Magnet (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620207463.XU CN205483835U (en) | 2016-03-17 | 2016-03-17 | Young modulus apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620207463.XU CN205483835U (en) | 2016-03-17 | 2016-03-17 | Young modulus apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205483835U true CN205483835U (en) | 2016-08-17 |
Family
ID=56654258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620207463.XU Expired - Fee Related CN205483835U (en) | 2016-03-17 | 2016-03-17 | Young modulus apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205483835U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462163A (en) * | 2017-08-17 | 2017-12-12 | 潍坊学院 | Optical lever measurement apparatus |
| CN109612833A (en) * | 2019-01-28 | 2019-04-12 | 桂林电子科技大学 | The Young's modulus detection device of cable |
-
2016
- 2016-03-17 CN CN201620207463.XU patent/CN205483835U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462163A (en) * | 2017-08-17 | 2017-12-12 | 潍坊学院 | Optical lever measurement apparatus |
| CN109612833A (en) * | 2019-01-28 | 2019-04-12 | 桂林电子科技大学 | The Young's modulus detection device of cable |
| CN109612833B (en) * | 2019-01-28 | 2024-01-05 | 桂林电子科技大学 | Young modulus detection device of cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20180317 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |