CN206891625U - A kind of simple earth pressure gauge - Google Patents
A kind of simple earth pressure gauge Download PDFInfo
- Publication number
- CN206891625U CN206891625U CN201720811963.9U CN201720811963U CN206891625U CN 206891625 U CN206891625 U CN 206891625U CN 201720811963 U CN201720811963 U CN 201720811963U CN 206891625 U CN206891625 U CN 206891625U
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- CN
- China
- Prior art keywords
- pressure gauge
- earth pressure
- backboard
- simple earth
- gauge according
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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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Abstract
The utility model discloses a kind of simple earth pressure gauge, including the backboard, pressure/electrical switching device and tablet set from bottom to top successively, pressure/electrical switching device includes annular section and mountain glyph part, mountain glyph part is located at the inside of annular section, the top inner wall of annular section is provided with a breach, mountain glyph part include be arranged in parallel first to three parts and be sequentially connected first to three parts bottom Part IV, the both ends of breach connect the top of Part II respectively；The top of first and third part is separately installed with a rubber point, second, tetrameric junction resistance strain plate, resistance strain plate connection signal transmssion line are housed, signal transmssion line passes backboard；Accessory simple shape used in the utility model, greatly reduce the complexity of manufacture craft, can modularized production, the high yield rate of pressure sensor；Material price is cheap, and production cost is very low；Simple to operate, demarcation is easy, is applied suitable for indoor model test.
Description
Technical field
The utility model belongs to pressure/power conversion technology field, more particularly to a kind of simple earth pressure gauge.
Background technology
Earth pressure gauge is a kind of piezoelectric transducer device for monitoring inside soil body pressure change, is widely used in civil engineering
Among geotechnical model test.Current market sales of earth pressure gauge is large-scale mainly for earth and rockfill dam, barricade, skyscraper etc.
Monitoring on Earth Pressure in civil engineering, its volume is big, precision is low, price is high.Indoor geotechnical model test compares general civil engineering work
Journey, moulded dimension is smaller, therefore it is required that earth pressure gauge small volume, precision are higher.Open market sale earth pressure gauge be difficult
Meet the required precision of model test, thus be not suitable for applying in model test indoors.
Utility model content
The utility model provides a kind of simple earth pressure gauge, to solve the problems of the prior art.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of simple earth pressure gauge, including backboard 4, pressure/electrical switching device 2 and the tablet 1 set from bottom to top successively,
Pressure/the electrical switching device 2 includes annular section 5 and mountain glyph part 6, and the mountain glyph part 6 is located at the interior of annular section 5
Portion, a breach 51 is provided with the top inner wall of the annular section 5, and the mountain glyph part 6 includes being disposed in parallel relation to one another
Part I 61, Part II 62 and Part III 63 and be sequentially connected Part I 61, Part II 62 and the 3rd
Divide the Part IV 64 of 63 bottoms, the both ends of the breach 51 connect the top of Part II 62 respectively；The Part I 61
A rubber point 8, the connection of the Part II 62 and Part IV 64 are separately installed with the top of Part III 63
Place is provided with resistance strain plate 7, and the resistance strain plate 7 connects signal transmssion line 3, and signal transmssion line 3 passes backboard 4.
Further, the backboard 4 is the rectangular box of a uncovered, and annular protrusion 9 is provided with its inner bottom surface.
Further, annular section 5, and the bottom surface of annular section 5 and annular protrusion 9 are provided with the annular protrusion 9
Top surface mutually coincide.
Further, it is provided with cable-through hole 10 in any one side wall of the backboard 4.
Further, the one end of signal transmssion line 3 connection resistance strain plate 7, the other end are passed by cable-through hole 10
The external connection display apparatus of backboard 4, for transmitting piezoelectricity transformation result, and it is shown in external display device, the display device
Can be display screen, computer etc..
Further, the diameter of cable-through hole 10 is equal to the diameter of signal transmssion line 3.
Further, the Part IV 64 is vertical with Part I 61, Part II 62 and Part III 63 respectively.
Further, the material of the tablet 1 and backboard 4 is stainless steel or lucite.
Further, the tablet 1 is the larger square stainless sheet steel of one piece of rigidity.
Further, the material of the pressure/electrical switching device 2 is stainless steel.
Compared with prior art, the utility model has advantages below：
Accessory simple shape used in the utility model, greatly reduce the complexity of manufacture craft, can modularized production,
The high yield rate of pressure sensor；Material price is cheap, and production cost is very low；Simple to operate, demarcation is easy, suitable for interior
Applied in model test.
Brief description of the drawings
Fig. 1 is the structural representation of tablet in the utility model；
Fig. 2 is the structural representation of pressure/electrical switching device in the utility model；
Fig. 3 is the structural representation of the utility model dorsulum；
Fig. 4 is internal structure schematic diagram of the present utility model；
Fig. 5 is schematic appearance of the present utility model；
Wherein：1- tablets, 2- pressures/electrical switching device, 3- signal transmssion lines, 4- backboards, 5- annular sections, 51- breach,
6- mountains glyph part, 61- Part I, 62- Part II, 63- Part III, 64- Part IV, 7- resistance strain plates,
8- rubbers point, 9- annular protrusions, 10- cable-through holes.
Embodiment
The utility model is further described with reference to embodiment.
As Figure 1-5, a kind of simple earth pressure gauge, including set from bottom to top successively backboard 4, pressure/electric converting means
2 and tablet 1 are put, the pressure/electrical switching device 2 is formed by one piece of square steel disc by the overall punching of machinery, pressure/electric converting means
Putting 2 includes annular section 5 and mountain glyph part 6, and the mountain glyph part 6 is located at the inside of annular section 5, the annular section
It is provided with a breach 51 in 5 top inner wall, Part I 61 that the mountain glyph part 6 includes being disposed in parallel relation to one another, the
Two parts 62 and Part III 63 and it is sequentially connected the 4th of Part I 61, Part II 62 and the bottom of Part III 63
Dividing 64, the Part IV 64 is vertical with Part I 61, Part II 62 and Part III 63 respectively, and the two of the breach 51
End connects the top of Part II 62 respectively；The top of the Part I 61 and Part III 63 is separately installed with a rubber
The strong point 8, the junction of the Part II 62 and Part IV 64 are provided with resistance strain plate 7, the resistance-type strain
Piece 7 connects signal transmssion line 3, and signal transmssion line 3 passes backboard 4；The pressure of tablet 1 is uniformly transferred by rubber point 8
Onto pressure/electrical switching device 2, resistance strain plate 7 is set to produce certain deformation, its resistance changes so as to measure its institute
It is stressed；The material of tablet 1 need to have larger rigidity, and the pressure/electricity that passes to the soil pressure of top for being capable of maximum possible turns
Changing device 2；By the pressure that tablet 1 passes over centre is delivered to by 2 rectangular rubber strong points 8 of mountain font part 6
On the resistance strain plate 7 of Part II, reconvert is spread out of into electric signal by signal transmssion line；Backboard 4 is that a uncovered is square
Box, for protecting pressure/electrical switching device 2, the soil body is avoided to enter device interference measurement results during soil pressure is measured, simultaneously
Pressure is passed to next stage arrangement by auxiliary induction plate 1；The purpose that annular protrusion 9 is designed in backboard is, allows pressure/electrical switching device
The Part I of mountain glyph part 6 in 2 and two of Part III happen occasionally the space of deformation bearing pressure, are easy to electricity
Resistive foil gauge 7 preferably measures.
Fixation for resistance strain plate 7, top use flexible glue material as silica gel to encapsulate, and so ensure that pressure exists
Decay in flexible glue material is relatively small, enables to resistance strain plate 7 to obtain accurate dependent variable；Bottom is using hard
Glue material is fixed so that resistance strain plate 7 is not moved in use.That is the top of resistance strain plate 7 is by soft
Glue material encapsulation connection tablet 1, the bottom of resistance strain plate 7 is fixedly connected with Part II 62 by ebonite material.
The backboard 4 is the rectangular box of a uncovered, and annular protrusion 9 is provided with its inner bottom surface；The annular protrusion 9
On be provided with annular section 5, and the bottom surface of annular section 5 and the top surface of annular protrusion 9 mutually coincide.
Cable-through hole 10 is provided with any one side wall of the backboard 4；Described one end of signal transmssion line 3 connects resistance-type
Foil gauge 7, the other end pass the external connection display apparatus of backboard 4 by cable-through hole 10, for transmitting piezoelectricity transformation result, and are shown in
In external display device, the display device can be display screen, computer etc.；The diameter of cable-through hole 10 transmits equal to signal
The diameter of line 3, it can by chance pass through signal transmssion line 3 in cable-through hole 10.
The material of the tablet 1 and backboard 4 is stainless steel or lucite, it is preferred that the tablet 1 is one piece firm
Larger square stainless sheet steel is spent, the material of the pressure/electrical switching device 2 is stainless steel.
The contact surface of the tablet 1 and backboard 4 does lubricated using vaseline, reduces between tablet 1 and backboard 4
Friction, soil pressure can completely, be uniformly delivered in pressure/electrical switching device 2；The surface of pressure/electrical switching device 2 applies one
Layer vaseline prevents the moisture in the tested soil body from entering, influences its service life as water-proofing treatment；Left the side of backboard 4
String holes 10 facilitates signal transmssion line 3 to draw, and the gap that both contact is smeared using glue, avoids the soil body from entering interference
Measurement result；This earth pressure gauge with the use of the foil gauge of different accuracy, and can be changed according to required precision during measurement soil pressure
Get up very convenient.
Described above is only preferred embodiment of the present utility model, it should be pointed out that：For the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be depending on being the scope of protection of the utility model.
Claims (10)
- A kind of 1. simple earth pressure gauge, it is characterised in that：Including the backboard set from bottom to top successively（4）, pressure/electrical switching device （2）And tablet（1）, the pressure/electrical switching device（2）Including annular section（5）With mountain glyph part（6）, the mountain font Part（6）Positioned at annular section（5）Inside, the annular section（5）Top inner wall on be provided with a breach（51）, institute State mountain glyph part（6）Including the Part I being disposed in parallel relation to one another（61）, Part II（62）And Part III（63）And It is sequentially connected Part I（61）, Part II（62）And Part III（63）The Part IV of bottom（64）, the breach （51）Both ends connect Part II respectively（62）Top；The Part I（61）And Part III（63）Top difference One rubber point is installed（8）, the Part II（62）And Part IV（64）Junction be provided with resistance-type should Become piece（7）, the resistance strain plate（7）Connect signal transmssion line（3）, signal transmssion line（3）Pass backboard（4）.
- 2. simple earth pressure gauge according to claim 1, it is characterised in that：The backboard（4）It is the square of uncovered Box, annular protrusion is provided with its inner bottom surface（9）.
- 3. simple earth pressure gauge according to claim 2, it is characterised in that：The annular protrusion（9）On be provided with annular Part（5）, and annular section（5）Bottom surface and annular protrusion（9）Top surface mutually coincide.
- 4. simple earth pressure gauge according to claim 2, it is characterised in that：The backboard（4）Any one side wall on It is provided with cable-through hole（10）.
- 5. simple earth pressure gauge according to claim 4, it is characterised in that：The signal transmssion line（3）One end connection electricity Resistive foil gauge（7）, the other end passes through cable-through hole（10）Pass backboard（4）External connection display apparatus.
- 6. simple earth pressure gauge according to claim 4, it is characterised in that：The cable-through hole（10）Diameter passes equal to signal Defeated line（3）Diameter.
- 7. simple earth pressure gauge according to claim 1, it is characterised in that：The Part IV（64）Respectively with first Point（61）, Part II（62）And Part III（63）Vertically.
- 8. simple earth pressure gauge according to claim 1, it is characterised in that：The tablet（1）And backboard（4）Material For stainless steel or lucite.
- 9. simple earth pressure gauge according to claim 1, it is characterised in that：The tablet（1）It is one piece square stainless Steel plate.
- 10. simple earth pressure gauge according to claim 1, it is characterised in that：Pressure/the electrical switching device（2）Material For stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720811963.9U CN206891625U (en) | 2017-07-06 | 2017-07-06 | A kind of simple earth pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720811963.9U CN206891625U (en) | 2017-07-06 | 2017-07-06 | A kind of simple earth pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206891625U true CN206891625U (en) | 2018-01-16 |
Family
ID=61298741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720811963.9U Expired - Fee Related CN206891625U (en) | 2017-07-06 | 2017-07-06 | A kind of simple earth pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206891625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423110A (en) * | 2018-05-21 | 2018-08-21 | 浙江阿尔郎科技有限公司 | Balance car and its control method |
-
2017
- 2017-07-06 CN CN201720811963.9U patent/CN206891625U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423110A (en) * | 2018-05-21 | 2018-08-21 | 浙江阿尔郎科技有限公司 | Balance car and its control method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20200706 |