CN108267118A - A kind of strain-type intelligent inclinometer - Google Patents
A kind of strain-type intelligent inclinometer Download PDFInfo
- Publication number
- CN108267118A CN108267118A CN201810339525.6A CN201810339525A CN108267118A CN 108267118 A CN108267118 A CN 108267118A CN 201810339525 A CN201810339525 A CN 201810339525A CN 108267118 A CN108267118 A CN 108267118A
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- transmission rod
- strain
- mass block
- type intelligent
- resistance
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- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 239000012791 sliding layer Substances 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 239000011888 foil Substances 0.000 claims description 5
- 238000010998 test method Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
- G01C9/06—Electric or photoelectric indication or reading means
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
A kind of strain-type intelligent inclinometer, including rectangle housing（1）, transmission rod（2）, mass block（5）, resistance strain gage（3）, sliding layer（4）, end cap（6）And detection circuit.Strain-type intelligent inclinometer of the present invention passes through instrument contacts face（7）It is bonded with works surface, if works surface is with the presence of angle of inclination, the mass block of inclinometer of the present invention can generate sliding force and act on transmission rod under the effect of gravity, transmission rod generates flexible deformation under the effect of external force, make to be pasted onto the resistance strain gage on its surface also in company with being deformed, after resistance strain gage deforms, resistance value will change, this resistance variations is converted into voltage change via the corresponding bridge that measures, that is electric signal, change the process for being converted into electric signal so as to fulfill angle of inclination, pass through the positive and negative values of two resistance strain gages on transmission rod, to be accurately judged to inclined direction.
Description
Technical field
The present invention relates to a kind of strain-type intelligent inclinometer, dependent territory wood engineering structure detection technical fields.
Background technology
An important content of the structure detection as field of civil engineering, has attracted the concern of more and more people.And
The gradient on works surface is not only related to the external beauty of structure, it is often more important that influences whether that integrally-built safety is steady
It is qualitative.So at some to flatness, verticality requires higher position, and deviational survey is just particularly important.
At present, traditional inclinometer is essentially all to be made of gravity pointer, dial, measurement pedestal, is to utilize to refer to
The gravity characteristic design of needle, precision is not high, and durability is poor.And strain-type intelligent inclinometer, at works angle of inclination to be measured
In the presence of, it will mass block is made to generate sliding force and is acted on transmission rod, transmission rod drives the resistance strain gage one of adhesion thereon
Deformation is played, strain sheet resistance values change, and so as to which angle of inclination to be converted into the variation of voltage signal, realize angle of inclination
It is accurate to measure.
Invention content
The object of the present invention is in order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of strain-type intelligence
Inclinometer and measuring method can quick and precisely judge works surface inclined direction, and accurately measure angle of inclination.
The technical solution that the present invention realizes is as follows, a kind of strain-type intelligent inclinometer, and the inclinometer includes rectangle shell
Body, transmission rod, mass block, resistance strain gage, sliding layer, end cap and detection circuit；The mass block is cylindrical structure, is installed
In the stage casing of rectangle housing cylindrical inner cavity；The rectangle shell one end closing, one end is equipped with end cap, length direction
Cross-sectional profile for square, inner cavity for circle；The center at the mass block both ends is separately installed with and mass block center line
The transmission rod of coincidence, the end of a transmission rod abut square housings close end, and the end of another transmission rod abuts square housing
End cap；It is pasted with resistance strain gage respectively on two transmission rods；In the inner surface of rectangle housing and mass block contact position
Cylindrical shape sliding layer is provided with, mass block can do no friction level movement in sliding layer；Top surface is each up and down in rectangle housing
It pastes there are one foil gauge, as temperature-compensating foil gauge.
The square casing upper and lower surface is the measuring surface contacted with works；The axis that the transmission rod is formed with mass block
Line is parallel with the square casing upper and lower surface.
The detection unit is resistance strain gage；The resistance strain gage connects measuring circuit by conducting wire.
The transmission rod is equal strength bar, and cross section is circle.
The resistance strain gage is pasted onto the intermediate position of transmission rod.
A kind of test method of strain-type intelligent inclinometer is as follows：
(1) strain-type intelligent inclinometer fixation is placed in the measuring surface contacted with works；
(2) if contact surface angle of inclination exists, it will the mass block in strain-type intelligent inclinometer is made to generate sliding force
It acts on transmission rod, the resistance value of the resistance strain gage on transmission rod changes；
(3) this resistance variations is converted into voltage change, i.e. electric signal via the corresponding bridge that measures, so as to fulfill angle
Degree changes the process for being converted into electric signal, and angle of inclination is shown as electronic signals；
(4) it by the positive and negative values of two resistance strain gages on transmission rod, accurately to judge inclined direction, strains and is
Positive value side is transmission rod tension side, as the higher side of vertical levels.
Operation principle of the present invention is that the operation principle of strain-type intelligent inclinometer of the present invention is instrument contacts face and works
Surface is bonded, and due to the presence of works surficial inclination, mass block can generate sliding force and act on biography under the effect of gravity
It is smooth layer between mass block and instrument inner surface, therefore sliding force size is strictly on power bar:
F=Mgsin θ
Transmission rod generates flexible deformation under the effect of external force, makes to be pasted onto the resistance strain gage on its surface also in company with generation
Deformation, after resistance strain gage deforms, resistance value will change, this resistance variations is turned via the corresponding bridge that measures
Voltage change, i.e. electric signal are turned to, the process of electric signal is converted into so as to fulfill angulation change.
By the positive and negative values of two resistance strain gages on transmission rod, accurately to judge inclined direction, strain as just
Value side is transmission rod tension side, as the higher side of vertical levels.
The invention has the advantages that measurement of the invention for works surface inclined direction and angle is easy to use, survey
Amount speed is fast, high certainty of measurement, and strong applicability is less influenced by environmental conditions.
Description of the drawings
Fig. 1 is strain-type intelligent inclinometer structure diagram of the present invention；
Fig. 2 is strain-type intelligent inclinometer measurement procedure block diagram of the present invention；
In figure, 1 is rectangle housing；2 be transmission rod；3 be resistance strain gage；4 be sliding layer；5 be mass block；6 be end
Lid；7 be contact surface.
Specific embodiment
The specific embodiment of the present invention is as shown in Figure 1.
A kind of strain-type intelligent inclinometer of the present embodiment, including rectangle housing 1, transmission rod 2, mass block 5, resistance-strain
Piece 3, sliding layer 4, end cap 6 and detection circuit；The mass block 5 is cylindrical structure, is placed in 1 cylindrical shape of rectangle housing
The stage casing of chamber；1 one end of rectangle housing closing, one end are equipped with end cap, and the cross-sectional profile of length direction is pros
Shape, inner cavity are circle；The center at 5 both ends of mass block is separately installed with the transmission rod 2 overlapped with mass block center line；One
The end of transmission rod abuts square housings close end, and the end of another transmission rod abuts the end cap of square housing；In two transmission rods
It is upper to be pasted with resistance strain gage 3 respectively；5 contact position of mass block cylindrical shape is provided in the inner surface of rectangle housing 1 to slide
Dynamic layer 4, mass block 5 can do no friction level movement in sliding layer 4；Top surface up and down in rectangle housing 1 is respectively pasted with one
A foil gauge, as temperature-compensating foil gauge.
Rectangular 1 upper and lower surface is the measuring surface contacted with works；The axis that the transmission rod 2 is formed with mass block 5
Line is parallel with 1 upper and lower surface of square casing.
The operation principle of strain-type intelligent inclinometer is that instrument contacts face is bonded with works surface, due to works surface
The presence at angle of inclination, mass block 5 can generate sliding force and act on transmission rod 2 under the effect of gravity, and mass block 5 and instrument are long
It is sliding layer 4 between square casing inner surface, therefore sliding force size is strictly:
F=Mgsin θ
Wherein, F is sliding force；M is the quality of mass block；G is acceleration of gravity；θ is works surficial inclination.
Transmission rod 2 generates flexible deformation under the effect of external force, makes to be pasted onto the resistance strain gage 3 on its surface also in company with production
Change shape, and after resistance strain gage 3 deforms, resistance value will change, this resistance is become via the corresponding bridge that measures
Change is converted into voltage change, i.e. electric signal, and the process of electric signal is converted into so as to fulfill angulation change.
By the positive and negative values of two resistance strain gages 3 on transmission rod 2, accurately to judge inclined direction, strain and be
Positive value side is 2 tension side of transmission rod, as the higher side of vertical levels.
The present embodiment inclinometer has higher required precision, therefore the material of transmission rod 2 will select good alloy steel products,
Desired strength is high；Elasticity is good；With high yield strength；When bearing heavy load, plastic deformation is not caused；With high fatigue
Intensity has long service life under the repeated action of load.
A kind of test method of strain-type intelligent inclinometer of the present embodiment is as shown in Figure 2.
When strain-type intelligent inclinometer contact surface is bonded with works surface, due to depositing for works surficial inclination
Mass block 5 can generate sliding force and act on transmission rod 2 under the effect of gravity in inclinometer；Under the action of sliding force, pass
The resistance value of resistance strain gage on power bar changes；It measures bridge and this resistance variations is converted into voltage change, i.e., it is electric
Signal is converted into the process of electric signal so as to fulfill angulation change；Electric signal is through amplifying, filtering, by display by inclination angle
Degree is shown as electronic signals.
Claims (6)
1. a kind of strain-type intelligent inclinometer, which is characterized in that the inclinometer include rectangle housing, transmission rod, mass block,
Resistance strain gage, sliding layer, end cap and detection and display circuit；The mass block is cylindrical structure, mounted on rectangle shell
The stage casing of body cylindrical cavity；Rectangle shell one end closing, one end are equipped with end cap, outside the cross section of length direction
Shape is square, and inner cavity is circle；The center at the mass block both ends is separately installed with the power transmission overlapped with mass block center line
Bar, the end of a transmission rod abut square housings close end, and the end of another transmission rod abuts the end cap of square housing；At two
Resistance strain gage is pasted on transmission rod respectively；Mass block contact position is provided with cylindrical shape in the inner surface of rectangle housing
Sliding layer, mass block can do no friction level movement in sliding layer；Respectively there are one should for stickup for top surface up and down in rectangle housing
Become piece, as temperature-compensating foil gauge.
A kind of 2. strain-type intelligent inclinometer according to claim 1, which is characterized in that the square casing upper and lower surface
For the measuring surface contacted with works；The transmission rod is put down with the axis that mass block is formed and the square casing upper and lower surface
Row.
3. a kind of strain-type intelligent inclinometer according to claim 1, which is characterized in that the resistance strain gage is by leading
Line connection measures and display circuit.
4. a kind of strain-type intelligent inclinometer according to claim 1, which is characterized in that the transmission rod is equal strength
Bar, cross section are circle.
5. a kind of strain-type intelligent inclinometer according to claim 1, which is characterized in that the resistance strain gage is pasted onto
The intermediate position of transmission rod.
A kind of 6. strain-type intelligent inclinometer according to claim 1, which is characterized in that the test method of the detector
It is as follows：
(1) strain-type intelligent inclinometer fixation is placed in the measuring surface contacted with works；
(2) if contact surface angle of inclination exists, it will the mass block in strain-type intelligent inclinometer is made to generate sliding force effect
On transmission rod, the resistance value of the resistance strain gage on transmission rod changes；
(3) this resistance variations is converted into voltage change, i.e. electric signal via the corresponding bridge that measures, changed so as to fulfill angle
Become the process for being converted into electric signal, and angle of inclination is shown as electronic signals；
(4) it by the positive and negative values of two resistance strain gages on transmission rod, accurately to judge inclined direction, strains as positive value
Side is transmission rod tension side, as the higher side of vertical levels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810339525.6A CN108267118B (en) | 2018-04-16 | 2018-04-16 | Strain type intelligent inclinometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810339525.6A CN108267118B (en) | 2018-04-16 | 2018-04-16 | Strain type intelligent inclinometer |
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| Publication Number | Publication Date |
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| CN108267118A true CN108267118A (en) | 2018-07-10 |
| CN108267118B CN108267118B (en) | 2024-02-06 |
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| CN201810339525.6A Active CN108267118B (en) | 2018-04-16 | 2018-04-16 | Strain type intelligent inclinometer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159255A (en) * | 2019-07-02 | 2019-08-23 | 中国矿业大学(北京) | A kind of the gas drilling inclinometer and implementation method of based superconductive sliding block variable resistance thought |
| CN113655729A (en) * | 2021-10-20 | 2021-11-16 | 北京创米智汇物联科技有限公司 | Control device, control method, control system, and storage medium |
| CN118560901A (en) * | 2024-07-31 | 2024-08-30 | 泉州市中博展示道具有限公司 | Warehouse goods shelves that can splice in a flexible way |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6413414A (en) * | 1987-07-08 | 1989-01-18 | Ricoh Kk | Inclination sensor |
| CN2684149Y (en) * | 2003-07-25 | 2005-03-09 | 金坛市土木工程仪器厂 | Differential vibrating wire type clinometer |
| CN203385414U (en) * | 2013-06-26 | 2014-01-08 | 湖南北斗星空检测科技有限公司 | High intelligent automation inclinometer |
| CN103528723A (en) * | 2013-10-08 | 2014-01-22 | 重庆长安汽车股份有限公司 | Two-force rod axial force measuring method |
| CN107860507A (en) * | 2017-10-31 | 2018-03-30 | 南京卓砾智测控技术有限公司 | Pressure sensor calibration force snesor and its calibration method |
| CN207991524U (en) * | 2018-04-16 | 2018-10-19 | 华东交通大学 | A kind of strain-type intelligent inclinometer |
-
2018
- 2018-04-16 CN CN201810339525.6A patent/CN108267118B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6413414A (en) * | 1987-07-08 | 1989-01-18 | Ricoh Kk | Inclination sensor |
| CN2684149Y (en) * | 2003-07-25 | 2005-03-09 | 金坛市土木工程仪器厂 | Differential vibrating wire type clinometer |
| CN203385414U (en) * | 2013-06-26 | 2014-01-08 | 湖南北斗星空检测科技有限公司 | High intelligent automation inclinometer |
| CN103528723A (en) * | 2013-10-08 | 2014-01-22 | 重庆长安汽车股份有限公司 | Two-force rod axial force measuring method |
| CN107860507A (en) * | 2017-10-31 | 2018-03-30 | 南京卓砾智测控技术有限公司 | Pressure sensor calibration force snesor and its calibration method |
| CN207991524U (en) * | 2018-04-16 | 2018-10-19 | 华东交通大学 | A kind of strain-type intelligent inclinometer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159255A (en) * | 2019-07-02 | 2019-08-23 | 中国矿业大学(北京) | A kind of the gas drilling inclinometer and implementation method of based superconductive sliding block variable resistance thought |
| CN110159255B (en) * | 2019-07-02 | 2024-06-11 | 中国矿业大学(北京) | Gas drilling inclinometer based on superconducting slider varistor idea and implementation method |
| CN113655729A (en) * | 2021-10-20 | 2021-11-16 | 北京创米智汇物联科技有限公司 | Control device, control method, control system, and storage medium |
| CN113655729B (en) * | 2021-10-20 | 2021-12-14 | 北京创米智汇物联科技有限公司 | Control device, control method, control system, and storage medium |
| CN118560901A (en) * | 2024-07-31 | 2024-08-30 | 泉州市中博展示道具有限公司 | Warehouse goods shelves that can splice in a flexible way |
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| CN108267118B (en) | 2024-02-06 |
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