CN206074361U - A kind of test block pressure at right angle strain-Sensing device - Google Patents
A kind of test block pressure at right angle strain-Sensing device Download PDFInfo
- Publication number
- CN206074361U CN206074361U CN201620912535.0U CN201620912535U CN206074361U CN 206074361 U CN206074361 U CN 206074361U CN 201620912535 U CN201620912535 U CN 201620912535U CN 206074361 U CN206074361 U CN 206074361U
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- CN
- China
- Prior art keywords
- pressure
- test block
- right angle
- pressing plate
- sensing device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of test block pressure at right angle strain-Sensing device, including base rack and pressure tester, the pressure tester is arranged on base rack, the pressure tester surrounding is provided with the relative pressing plate of opening, the pressing plate lower end is respectively arranged with compression cylinder, top is arranged above retractable driving device, and the pressing plate both sides are provided with the riser for pointing up, and the riser inner surface setting has infrared linear movement pick-up.By the way, test block pressure at right angle strain-Sensing device described in the utility model, the distance change produced with infrared linear movement pick-up after being deformed under pressure at right angle using test block, there is pressure during strain in detection test block, so as to grasp pressure size during critical strain, flexible operation, high working efficiency, structure of the detecting device is simple, with low cost, practical.
Description
Technical field
This utility model is related to highway instrument field, more particularly to a kind of test block pressure perpendicular pressure-strain detection dress
Put.
Background technology
Test block strain testing is an important means for detecting pavement structural strength, generally adopts and breaks force test device pair
Multiple test blocks are detected.As the structural strength of test block is high, larger pressure is needed to be tested, to test block compressive strain power
Driving means require also higher.
Road surface stress has multiple orientation, including vertical force, shearing force, lateral compression power etc., from all directions pair
Highway causes extruding.And how to determine highway critical strain power, it is a significant design means for improving highway structure.
Utility model content
This utility model is mainly solving the technical problems that provide a kind of test block pressure at right angle strain-Sensing device, detection is tried
Block is deformed in vertical direction stress, draws the pressure size of vertical force critical strain, flexible operation, high working efficiency, inspection
Survey apparatus structure simple, with low cost, it is practical.
To solve above-mentioned technical problem, the technical scheme that this utility model is adopted is：There is provided a kind of test block vertically to press
Stress-strain detection means, including base rack and pressure tester, the pressure tester are arranged on base rack, the pressure
Force tester surrounding is provided with the relative pressing plate of opening, and the pressing plate lower end is respectively arranged with compression cylinder, directly over top
Retractable driving device is provided with, the pressing plate both sides are provided with the riser for pointing up, and the riser inner surface setting has red
Outer linear movement pick-up.
In one preferred embodiments of this utility model, the pressing plate lower end is provided with the grooved on base rack
Plate, the pressing plate are inverted L shape plate, and the pressing plate moved up and down along groove type plate.
In one preferred embodiments of this utility model, the riser inner surface is same level with groove type plate outer surface.
In one preferred embodiments of this utility model, the retractable driving device is hydraulic jack.
In one preferred embodiments of this utility model, trumpet type pressure head, the pressure at the top of the oil cylinder outfan, are provided with
Head baseplane is provided with skid resistant course.
The beneficial effects of the utility model are：A kind of test block pressure at right angle strain-Sensing device that this utility model is pointed out,
The distance change produced with infrared linear movement pick-up after being deformed under pressure at right angle using test block, when detection test block occurs strain
Pressure, so as to grasp pressure size during critical strain, flexible operation, high working efficiency, structure of the detecting device is simple, low cost
It is honest and clean, it is practical.
Description of the drawings
For the technical scheme being illustrated more clearly that in this utility model embodiment, below will be to needed for embodiment description
Accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings
Other accompanying drawings are obtained, wherein：
Fig. 1 is a kind of structural representation of one preferred embodiment of test block pressure at right angle strain-Sensing device of this utility model.
Specific embodiment
Technical scheme in this utility model embodiment will be clearly and completely described below, it is clear that described
Embodiment is only a part of embodiment of the present utility model, rather than the embodiment of whole.Based on the enforcement in this utility model
Example, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made are belonged to
The scope of this utility model protection.
Fig. 1 is referred to, this utility model embodiment includes：
A kind of test block pressure at right angle strain-Sensing device, including base rack 1 and pressure tester 2, the stress test
Instrument 2 is arranged on base rack 1, and 2 surrounding of the pressure tester is provided with the relative pressing plate 11 of opening, under the pressing plate 11
End is respectively arranged with compression cylinder 3, and band dynamic pressure plate 11 is pushed, and is circumferentially to be pushed from the four of test block, mitigates the lower pressure in middle part,
So that test block uniform stressed.
Retractable driving device 4 is arranged above at the top of the pressure tester 2, the retractable driving device is hydraulic oil
Cylinder, pressure stability are provided with trumpet type pressure head 41 at the top of the hydraulic jack outfan, 41 baseplane of the pressure head is provided with anti-
Slip layer 42, produces sliding with test block surface when preventing hydraulic jack from pushing, causes lower pressure consumption.
11 both sides of the pressing plate are provided with the riser 12 for pointing up, and 12 inner surface setting of the riser has infrared ray position
Displacement sensor 5, when test block is subject to lower pressure, surrounding produces displacement deformation, causes and test block and infrared linear movement pick-up 5
Spacing changes, when infrared ray displacement transducer 5 is subjected to displacement the moment of change with detection test block, on its pressure tester 2
The vertical depressing force being subject to, is the critical vertical force of displacement deformation.
11 lower end of the pressing plate is provided with the groove type plate 13 on base rack 1, and the pressing plate 11 is inverted L shape plate,
Pressing plate 11 is moved up and down along groove type plate 13, using pressing plate inverted L shape structure, to detecting that test block is pulled down from surrounding, can be flexible
The lower pressure of 4 provided auxiliary of driving means, and pressure is uniform.
12 inner surface of the riser is same level with 13 outer surface of groove type plate.
In sum, a kind of test block pressure at right angle strain-Sensing device that this utility model is pointed out, detection test block is vertical
Direction stress is deformed, and draws the pressure size of vertical force critical strain, flexible operation, high working efficiency, detection means knot
Structure is simple, with low cost, practical.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure made using this utility model description or equivalent flow conversion, or directly or indirectly it is used in other phases
The technical field of pass, is included in scope of patent protection of the present utility model in the same manner.
Claims (5)
1. a kind of test block pressure at right angle strain-Sensing device, including base rack and pressure tester, the pressure tester set
Put on base rack, it is characterised in that the pressure tester surrounding is provided with the relative pressing plate of opening, under the pressing plate
End is respectively arranged with compression cylinder, and top is arranged above retractable driving device, and the pressing plate both sides are provided with sensing
The riser of side, the riser inner surface setting have infrared linear movement pick-up.
2. test block pressure at right angle strain-Sensing device according to claim 1, it is characterised in that the pressing plate lower end is arranged
There is a groove type plate on base rack, the pressing plate is inverted L shape plate, the pressing plate is moved up and down along groove type plate.
3. test block pressure at right angle strain-Sensing device according to claim 2, it is characterised in that the riser inner surface with
Groove type plate outer surface is same level.
4. test block pressure at right angle strain-Sensing device according to claim 1, it is characterised in that the retractable driving device
For hydraulic jack.
5. test block pressure at right angle strain-Sensing device according to claim 4, it is characterised in that the hydraulic jack output
End top is provided with trumpet type pressure head, and the pressure head baseplane is provided with skid resistant course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620912535.0U CN206074361U (en) | 2016-08-22 | 2016-08-22 | A kind of test block pressure at right angle strain-Sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620912535.0U CN206074361U (en) | 2016-08-22 | 2016-08-22 | A kind of test block pressure at right angle strain-Sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206074361U true CN206074361U (en) | 2017-04-05 |
Family
ID=58430777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620912535.0U Expired - Fee Related CN206074361U (en) | 2016-08-22 | 2016-08-22 | A kind of test block pressure at right angle strain-Sensing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206074361U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175137A (en) * | 2019-10-19 | 2020-05-19 | 安徽磐彩装饰工程有限公司 | Porous thermal insulation material pressure test device |
| CN113552002A (en) * | 2021-06-16 | 2021-10-26 | 甘肃光轩高端装备产业有限公司 | Flexible glass bending strength test system |
-
2016
- 2016-08-22 CN CN201620912535.0U patent/CN206074361U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175137A (en) * | 2019-10-19 | 2020-05-19 | 安徽磐彩装饰工程有限公司 | Porous thermal insulation material pressure test device |
| CN113552002A (en) * | 2021-06-16 | 2021-10-26 | 甘肃光轩高端装备产业有限公司 | Flexible glass bending strength test system |
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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: 20170405 Termination date: 20170822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |