CN106500650A - Underground chamber deformation measurement positions alarming device - Google Patents
Underground chamber deformation measurement positions alarming device Download PDFInfo
- Publication number
- CN106500650A CN106500650A CN201610985267.XA CN201610985267A CN106500650A CN 106500650 A CN106500650 A CN 106500650A CN 201610985267 A CN201610985267 A CN 201610985267A CN 106500650 A CN106500650 A CN 106500650A
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- Prior art keywords
- pedestal
- protective cover
- cone
- lid
- hammering
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
Abstract
Underground chamber deformation measurement positions alarming device, including protective cover, hook up ring, pedestal, penetrating cone, protective cover lower inside is provided with protective cover screw thread, protective cover outer application has fluorescence warning layer, pressure sensing mat is additionally provided with the outside of protective cover, alarm and power supply, power supply is connected with pressure sensing mat and alarm respectively, pressure sensing mat is connected with alarm again, base bottom is connected with penetrating cone, penetrating cone includes boring bar and penetrating cone tip, resistance to plucking groove is arranged at intervals with cone bar, pedestal platform threaded collar is provided with the top of pedestal, pedestal, pedestal platform threaded collar and penetrating cone are coaxially disposed, pedestal platform threaded collar is adapted with protective cover screw thread, pedestal top center is provided with and hooks up ring.Simple structure, it is easy to make, substantially, service life is longer for alarm function, and fixing force is strong, and resistance to plucking effect is good, can keep for a long time once construction, be favorably improved Position location accuracy and effectiveness, for positioning to measurement base point.
Description
Technical field
The invention belongs to rock mass engineering project field of measuring technique, is related to a kind of underground chamber deformation measurement positioning alarming device,
Especially a kind of underground chamber deformation measurement with alarm function positions alarming device.
Background technology
Underground chamber construction, be completed and during use, due to excavate off-load cause rock mass stress of primary rock state to be broken
Bad, cause stress to redistribute, the country rock of underground chamber is subjected to displacement change to free face, along with being likely to occur bottom distension, top
Sink, two help the deformation behaviours such as contraction.According to deformation measurement code requirement, the deformation being in the permission limits of regulation is just
Chang Xianxiang, building belong to the state of safety and stability；Once having deformed more than the permission limit of regulation, certain danger is there is
Property, tremendous influence will be caused to engineering stability when deforming serious, lives and properties can be brought about great losses.Underground chamber deforms calamity
Evil always affects the principal element of underground engineering safety in production, therefore, the deformation of underground chamber is carried out rationally effectively
Monitoring be particularly important.
However, underground chamber usually dim light (particularly in coal mine roadway), deformation measurement basic point cloth is often postponed
It is difficult to be discovered by workmen, or even is difficult to measured personnel and finds.As deformation measurement basic point does not possess significantly warning work(
Can, usually because the factors such as underground chamber transportation, engineering construction cause to damage, during well damage, possibly even cause whole survey
Amount basic point failure, so that it cannot continue to measure the basic point so that existing test data seriality is not strong, referential
Directiveness reduces.Additionally, the underground chamber deformation measurement positioning alarming device of routine is often designed to coarse simple and crude, it is not easy to survey
During examination, the clamping of chi tool, causes measurement error further to increase.Rock displacement and deformation data are Study of The Underground cavern deformation calamities
The basis of evil preventing and treating, it is to control the important leverage that underground chamber is stable, guarantee engineering smoothly carries out accurately to obtain its deformation.
Therefore need one kind badly and can play warning function, it is ensured that its service life, long-term efficiently and accurately positioning and be easy to into
Underground chamber long-time stability are provided reference and reference valency will pass through deformation measurement by the positioning alarming device of row deformation measurement
Value.
Content of the invention
The technical problem to be solved is the blank in order to fill up prior art, there is provided a kind of with warning function
Underground chamber deformation measurement positions alarming device.
The technical solution adopted for the present invention to solve the technical problems is：Underground chamber deformation measurement positions alarming device,
Including protective cover, ring, pedestal, penetrating cone is hooked up, protective cover inside bottom is provided with protective cover screw thread, protective cover outer application has glimmering
Light alert layer, base bottom are connected with penetrating cone, are provided with pedestal platform threaded collar at the top of pedestal, pedestal, pedestal platform threaded collar and
Penetrating cone is coaxially disposed, and pedestal platform threaded collar is adapted with protective cover screw thread, and pedestal top center is provided with and hooks up ring, penetrating cone
Including boring bar and penetrating cone tip, on cone bar, resistance to plucking groove is arranged at intervals with.
Preferably, fluorescence warning layer is phosphor luminescent material luminous fiber layer, and the material of protective cover is hard metal.
Preferably, pedestal platform threaded collar is arranged circumferentially hooking up ring periphery.
Further, resistance to plucking groove, by lateral cone bar inner inclination outside bar is bored, is 46-59 ° with horizontal direction angular range.
Further, also include that hammering lid, hammering lid are internally provided with and accommodate the cavity for hooking up ring, hammer lid lower inside
Hammering lid screw thread is provided with, hammering lid screw thread is adapted with pedestal platform threaded collar.
The present invention solves another technical scheme for being adopted of its technical problem：A kind of underground chamber deformation measurement positioning police
Showing device, including protective cover, hooks up ring, pedestal, penetrating cone, and protective cover lower inside is provided with protective cover screw thread, on the outside of protective cover
Be coated with fluorescence warning layer, on the outside of protective cover, be additionally provided with pressure sensing mat, alarm and power supply, power supply respectively with pressure sensing
Pad and alarm are connected, and pressure sensing mat is connected with alarm again, when the pressure that pressure sensing mat bears exceedes certain threshold value,
Triggering alarm is reported to the police, and base bottom is connected with penetrating cone, and penetrating cone includes boring bar and penetrating cone tip, is spaced on cone bar
Resistance to plucking groove is provided with, pedestal platform threaded collar at the top of pedestal, is provided with, pedestal, pedestal platform threaded collar and penetrating cone is coaxially disposed,
Pedestal platform threaded collar is adapted with protective cover screw thread, and pedestal top center is provided with and hooks up ring.
Further, also include that hammering lid, hammering lid are internally provided with and accommodate the cavity for hooking up ring, hammer lid lower inside
Hammering lid screw thread is provided with, hammering lid screw thread is adapted with pedestal platform threaded collar.
Specifically, also include that power supply metering units, power supply metering units are connected with power supply and alarm respectively.
Preferably, radius of the radius of pedestal more than pedestal platform threaded collar, fluorescence warning layer are phosphor luminescent material night
The material of fiber optics layer, protective cover and hammering lid is hard metal.
Further, resistance to plucking groove, by lateral cone bar inner inclination outside bar is bored, is 46-59 ° with horizontal direction angular range.
The invention has the beneficial effects as follows：Simple structure, it is easy to make, substantially, service life is longer for alarm function, and fixed
Power is strong, and resistance to plucking effect is good, can keep for a long time once construction, be favorably improved Position location accuracy and effectiveness.The present invention is applied to
Measurement base point is positioned.
Description of the drawings
Fig. 1 is the sectional view of the embodiment of the present invention 1；
Fig. 2 is the structural representation of the protective cover in the embodiment of the present invention 1；
Fig. 3 is the structural representation of the pedestal in the present invention；
Fig. 4 is the sectional view of the embodiment of the present invention 2；
Fig. 5 is the dimensional structure diagram of the protective cover in the embodiment of the present invention 2；
Fig. 6 is the sectional view of the hammering lid in the embodiment of the present invention 2；
Fig. 7 is the dimensional structure diagram of the hammering lid in the embodiment of the present invention 2；
Fig. 8 is the measurement operation chart of the present invention；
In figure, 1 is protective cover, and 12 is fluorescence warning layer, and 13 is pressure sensing mat, and 14 is alarm, and 15 is protective cover spiral shell
Stricture of vagina, 2 for hooking up ring, and 3 is pedestal, and 31 is pedestal platform threaded collar, and 4 is penetrating cone, and 41 is resistance to plucking groove, and 42 is that penetrating cone is sophisticated, and 5
For hammering lid, 55 are hammering lid screw thread, and 81 is underground rock cavern, and 82 are positioning alarming device, and 83 are convergence diastimeter.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment, technical scheme is described in detail.
Embodiment 1
As Figure 1-3, the underground chamber deformation measurement positioning alarming device in this example, including protective cover 1, protective cover 1
Inside bottom is provided with protective cover screw thread 15, and protective cover 1 is needed using resistance to percussion and on-deformable hard metal material, for example
8407 mould steel.1 outer application of protective cover has fluorescence warning layer 12, fluorescence warning layer 12 to be applied to 1 surface of protective cover, can coat
Whole protective cover outer surface so as to strengthen alarm ability, it is also possible to be only coated on partial outer face with cost-effective.Glimmering
12 preferential employing phosphor luminescent material luminous fiber of light alert layer, the luminous fiber can absorb visible ray and luminous energy is stored storage and exist
In fiber, and continuous illumination in the dark state, workmen is warned under dim light environment, in case being grasped by construction
Destroy.Also include that pedestal 3,3 bottom of pedestal are connected with penetrating cone 4, penetrating cone 4 includes boring bar and penetrating cone tip 42, bores bar
On be arranged at intervals with resistance to plucking groove 41, during specifically used, install positioning alarming device when, need protective cover 1 and base
Seat is fixedly connected, and then taps protective cover 1 and hammers into device penetrating cone in country rock, and broken rock effect is played at penetrating cone tip 42, is resisted
The stress that groove 41 strengthens penetrating cone and country rock is pulled out, is played a part of resistance to plucking and anti-locking apparatus is loosened, protect positioning alarming device
Hold stationary state.In order to strengthen the fixing force of penetrating cone, improve the resistance to plucking of resistance to plucking groove 41, resistance to plucking groove 41 by cone bar on the outside of
To cone bar inner inclination, it is 46-59 ° with horizontal direction angular range.Pedestal platform threaded collar 31, pedestal is provided with the top of pedestal 3
3rd, pedestal platform threaded collar 31 and penetrating cone 4 are coaxially disposed, and pedestal platform threaded collar 31 is adapted with protective cover screw thread 15, and pedestal 3 is pushed up
Portion is provided centrally with hooking up ring 2, hooks up ring 2 for hooking up the deformation measurement such as length angle chi tool, produces holding force in measurement and make
With.Protective cover 1 being turned on during measurement, being exposed and is hooked up ring 2 and measure operation, protective cover 1 pair of screwing on after measurement hooks up ring 2 and plays guarantor
Shield acts on and workmen is warned.Ring 2 is hooked up in order to protect, and pedestal platform threaded collar is arranged circumferentially 2 periphery of ring is hooked up
31.
When the positioning alarming device is installed in actual underground engineering, taps protective cover and device percussion is hammered rock around
After in body, warning function is played by fluorescence warning layer, prevents field engineering personnel from positioner is destroyed because of maloperation.
Additionally, in order to protect the fluorescence warning layer on protective cover to avoid destroying, hammering peace can be being carried out using hammering lid
Dress operation.
Embodiment 2
As shown in fig. 3 to 7, the positioning alarming device in this example, including protective cover 1, hooks up ring 2, pedestal 3, penetrating cone 4, hammer
Lid 5 is hit, 1 lower inside of protective cover is provided with protective cover screw thread 15, and 1 outer application of protective cover has fluorescence warning layer 12, outside protective cover 1
Side is additionally provided with pressure sensing mat 13, alarm 14 and power supply (not shown), power supply respectively with pressure sensing mat 13 and report
Alert device 14 is connected, and pressure sensing mat 13 is connected with alarm 14 again.Power supply can be arranged and be integrated with alarm, improve collection
Cheng Du, it is also possible to be separately provided.When protective cover is clashed into or the external force such as scratch is acted on, and external force is when exceeding certain threshold value, pressure
Power sensor mat triggers alarm and sends alarm in real time after receiving stronger mechanical signal, alarm can be voice guard and/
Or optical alarm, warn immediately staff to note, stop improper operation, prevent positioning alarming device from receiving destruction.Fluorescence
12 preferential employing phosphor luminescent material luminous fiber of alert layer, the luminous fiber can absorb visible ray and luminous energy is stored storage in fibre
In dimension, and continuous illumination in the dark state, workmen is warned under dim light environment, in case by constructing operation
Destruction.3 bottom of pedestal is connected with penetrating cone 4, and penetrating cone 4 includes boring bar and penetrating cone tip 42, is arranged at intervals with anti-on cone bar
Groove 41 is pulled out, and during specifically used, when positioning alarming device is installed, needs protective cover 1 is fixedly connected with pedestal, then
Tap protective cover 1 to hammer into device penetrating cone in country rock, broken rock effect is played at penetrating cone tip 42, resistance to plucking groove 41 strengthens injection
Cone and the stress of country rock, play a part of resistance to plucking and anti-locking apparatus loosen, make positioning alarming device keep stationary state.In order to increase
The fixing force of strong penetrating cone, improves the resistance to plucking of resistance to plucking groove 41, and resistance to plucking groove 41 bores bar inner inclination by lateral outside cone bar, with
Horizontal direction angular range is 46-59 °.Pedestal platform threaded collar 31 is provided with the top of pedestal 3, and the radius of pedestal 3 is more than pedestal platform
The radius of threaded collar 31, pedestal 3, pedestal platform threaded collar 31 and penetrating cone 4 are coaxially disposed, pedestal platform threaded collar 31 and protective cover spiral shell
Stricture of vagina 15 is adapted, and 3 top center of pedestal is provided with and hooks up ring 2, and 3 sidepiece of pedestal is provided with pedestal external screw thread, also includes hammering lid
5, hammer lid 5 and be internally provided with the cavity for accommodating protective cover 1 and pedestal 3, hammering 5 lower inside of lid is provided with hammering lid screw thread
55, hammering lid screw thread 55 is adapted with pedestal external screw thread, and hammering lid 5 can be screwed with pedestal by hammering lid screw thread 55, for inciting somebody to action
Positioning alarming device is hammered into stress during country rock, and protection hooks up ring 2 and pedestal 3 is not destroyed.
In order to ensure alarming effect, the device also includes power supply metering units, power supply metering units respectively with power supply and report
Alert device 14 is connected, and during the certain threshold value set in electric quantity of power supply is less than power supply metering units, alarm sends alarm, so that and
Shi Genghuan power supplys, in order to avoid affect the device normal work.
In order to strengthen protected effect, the material of protective cover 1 and hammering lid 5 selects hard metal, such as 8407 mould steel, and
Hammering lid 5 needs resistance to percussion.When practically descending work arrangement basic point, hammering lid 5 is repeatable to be utilized, hammering lid can supporting for
Multiple positioning alarming devices are installed.Hammering lid is matched somebody with somebody outside can selecting, it is also possible to select the positioning alarming device to have in itself.
When the positioning alarming device is installed, in order to protect the fluorescence warning layer on protective cover not to be tapped damage, therefore
Directly hammering operation is not carried out using protective cover, first screw on hammering lid to the device, the device is tapped and is hammered in surrounding rock body
After fixation, hammering lid is turned on and is removed, then protective cover of screwing on, protective cover and hammering lid all with pedestal platform threaded adapter, hammering lid
Only need when mounted, can twist after installation and take off, and a hammering lid may be used to install multiple positioning alarming devices.Hammering
Cover ring 2 is hooked up and pedestal 3 is not destroyed for tapping protection when positioning alarming device is hammered in surrounding rock body.Protective cover is used for
After installing positioning alarming device, protection hooks up ring 2, and plays jointly warning function by fluorescence warning layer and alarm.
Such as Fig. 8, in the select location (being four setting bases up and down in Fig. 8) of underground chamber deformation test, tap
Hammering lid hammers into the positioning alarming device 82 of the application in underground rock cavern 81.During measurement lane side convergent deformation, by left and right
The protective cover of positioning alarming device is turned on, and convergence diastimeter 83 is hooked in the hooking up on ring of the application, good receipts to be adjusted
Reading is carried out after holding back diastimeter 83, and measurement is removed convergence diastimeter 83 and linked up with after finishing, protective cover is screwed back positioning alarming device
Pedestal on.Single lane side convergent deformation measurement is completed.
By using the positioning alarming device of the present invention, ensure that and more smoothly, efficiently carry out underground rock cavern
Deformation, basic point changing of the relative positions etc. measure work.
Claims (10)
1. underground chamber deformation measurement positions alarming device, it is characterised in that including protective cover (1), hook up ring (2), pedestal
(3), penetrating cone (4), protective cover (1) inside bottom are provided with protective cover screw thread (15), and protective cover (1) outer application has fluorescence warning
Layer (12), pedestal (3) bottom is connected with penetrating cone (4), is provided with pedestal platform threaded collar (31) at the top of pedestal (3), pedestal (3),
Pedestal platform threaded collar (31) and penetrating cone (4) are coaxially disposed, and pedestal platform threaded collar (31) is adapted with protective cover screw thread (15), base
Seat (3) top center is provided with and hooks up ring (2), and penetrating cone (4) includes cone bar and penetrating cone tip (42), interval setting on cone bar
There is resistance to plucking groove (41).
2. underground chamber deformation measurement as claimed in claim 1 positions alarming device, it is characterised in that fluorescence warning layer (12)
For phosphor luminescent material luminous fiber layer, the material of protective cover (1) is hard metal.
3. underground chamber deformation measurement as claimed in claim 1 positions alarming device, it is characterised in that hooking up ring (2) outward
Enclose and be arranged circumferentially pedestal platform threaded collar (31).
4. underground chamber deformation measurement as claimed in claim 1 positions alarming device, it is characterised in that resistance to plucking groove (41) by
Outside cone bar, lateral cone bar inner inclination, is 46-59 ° with horizontal direction angular range.
5. underground chamber deformation measurement as claimed in claim 1 positions alarming device, it is characterised in that also include hammering lid,
Hammering lid is internally provided with the cavity that receiving hooks up ring (2), and hammering lid lower inside is provided with hammering lid screw thread, hammers lid screw thread
It is adapted with pedestal platform threaded collar (31).
6. a kind of underground chamber deformation measurement positions alarming device, it is characterised in that including protective cover (1), hook up ring (2), base
Seat (3), penetrating cone (4), protective cover (1) lower inside are provided with protective cover screw thread (15), and protective cover (1) outer application has fluorescence to warn
Show layer (12), on the outside of protective cover (1), be additionally provided with pressure sensing mat (13), alarm (14) and power supply, power supply respectively with pressure
Sensor mat (13) and alarm (14) are connected, and pressure sensing mat (13) and are connected with alarm (14), when pressure sensing mat (13)
When the pressure for bearing exceedes certain threshold value, triggering alarm (14) is reported to the police, and pedestal (3) bottom is connected with penetrating cone (4), passes through
Entering cone (4) includes cone bar and penetrating cone tip (42), is arranged at intervals with resistance to plucking groove (41), arranges at the top of pedestal (3) on cone bar
There are pedestal platform threaded collar (31), pedestal (3), pedestal platform threaded collar (31) and penetrating cone (4) to be coaxially disposed, pedestal platform threaded collar
(31) it is adapted with protective cover screw thread (15), pedestal (3) top center is provided with and hooks up ring (2).
7. a kind of underground chamber deformation measurement positions alarming device as claimed in claim 6, it is characterised in that also include hammering
Lid (5), hammering lid (5) are internally provided with the cavity that receiving hooks up ring (2), and hammering lid (5) lower inside is provided with hammering lid spiral shell
Stricture of vagina (55), hammering lid screw thread (55) are adapted with pedestal platform threaded collar (31).
8. a kind of underground chamber deformation measurement positions alarming device as claimed in claim 6, it is characterised in that also include power supply
Metering units, power supply metering units are connected with power supply and alarm (14) respectively.
9. a kind of underground chamber deformation measurement positions alarming device as claimed in claim 6, it is characterised in that pedestal (3)
Radius of the radius more than pedestal platform threaded collar (31), fluorescence warning layer (12) are phosphor luminescent material luminous fiber layer, protect
The material of lid (1) and hammering lid (5) is hard metal.
10. a kind of underground chamber deformation measurement positions alarming device as claimed in claim 6, it is characterised in that resistance to plucking groove
(41) by lateral cone bar inner inclination outside cone bar, it is 46-59 ° with horizontal direction angular range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610985267.XA CN106500650A (en) | 2016-10-25 | 2016-10-25 | Underground chamber deformation measurement positions alarming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610985267.XA CN106500650A (en) | 2016-10-25 | 2016-10-25 | Underground chamber deformation measurement positions alarming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106500650A true CN106500650A (en) | 2017-03-15 |
Family
ID=58323975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610985267.XA Pending CN106500650A (en) | 2016-10-25 | 2016-10-25 | Underground chamber deformation measurement positions alarming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106500650A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029102A (en) * | 2021-04-26 | 2021-06-25 | 四川大学 | Inclination angle measuring device for house safety monitoring |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87203956U (en) * | 1987-03-24 | 1988-06-29 | 铁道部第三勘测设计院科学技术研究所 | Displacement gauge for tunnel vault |
| CN201635412U (en) * | 2010-03-11 | 2010-11-17 | 攀钢集团冶金工程技术有限公司 | High-rise building control point protection device |
| CN202617553U (en) * | 2011-11-10 | 2012-12-19 | 中兴通讯股份有限公司 | Terminal protection sleeve and mobile terminal |
| KR20140031006A (en) * | 2012-09-04 | 2014-03-12 | 한국철도기술연구원 | Apparatus for measuring ground settlement of ballastless track, and constructing method for the same |
| CN204754985U (en) * | 2015-06-29 | 2015-11-11 | 中南大学 | It lays protective apparatus to be used for tunnel radially to converge monitoring point and mounting tool thereof |
| CN206146411U (en) * | 2016-10-25 | 2017-05-03 | 四川大学 | Underground cavern warp measurement location warning device |
-
2016
- 2016-10-25 CN CN201610985267.XA patent/CN106500650A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87203956U (en) * | 1987-03-24 | 1988-06-29 | 铁道部第三勘测设计院科学技术研究所 | Displacement gauge for tunnel vault |
| CN201635412U (en) * | 2010-03-11 | 2010-11-17 | 攀钢集团冶金工程技术有限公司 | High-rise building control point protection device |
| CN202617553U (en) * | 2011-11-10 | 2012-12-19 | 中兴通讯股份有限公司 | Terminal protection sleeve and mobile terminal |
| KR20140031006A (en) * | 2012-09-04 | 2014-03-12 | 한국철도기술연구원 | Apparatus for measuring ground settlement of ballastless track, and constructing method for the same |
| CN204754985U (en) * | 2015-06-29 | 2015-11-11 | 中南大学 | It lays protective apparatus to be used for tunnel radially to converge monitoring point and mounting tool thereof |
| CN206146411U (en) * | 2016-10-25 | 2017-05-03 | 四川大学 | Underground cavern warp measurement location warning device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029102A (en) * | 2021-04-26 | 2021-06-25 | 四川大学 | Inclination angle measuring device for house safety monitoring |
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Application publication date: 20170315 |
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