CN103882848B - A kind of high intensity double-walled inclinometer pipe measured for tilt displacement - Google Patents
A kind of high intensity double-walled inclinometer pipe measured for tilt displacement Download PDFInfo
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- CN103882848B CN103882848B CN201410101726.4A CN201410101726A CN103882848B CN 103882848 B CN103882848 B CN 103882848B CN 201410101726 A CN201410101726 A CN 201410101726A CN 103882848 B CN103882848 B CN 103882848B
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 38
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- 239000011083 cement mortar Substances 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims abstract description 3
- 230000006835 compression Effects 0.000 claims description 6
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- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 2
- 150000001993 dienes Chemical class 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 7
- 230000001960 triggered effect Effects 0.000 abstract description 4
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- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000010429 evolutionary process Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The present invention relates to a kind of high intensity double-walled inclinometer pipe measured for tilt displacement, self-opening type grasp base is triggered including multiple measurement pipe fittings, multiple pipe connecting component and axial compressive force, multiple measurement pipe fittings are connected by pipe connecting component, and axial compressive force triggers self-opening type grasp base and is connected with the measurement pipe fitting of first counterbore；Measuring pipe fitting and have inner and outer wall, inside and outside wall is formed has inside and outside four mixed earth filling chambeies to arc structure, and outer wall has multiple hole；When inclinometer pipe sinks to foot of hole, by pressing in its axial direction, axial compressive force triggers self-opening type grasp base and opens and basement rock anchoring, and when mixed earth backfills, cement mortar enters mixed earth by multiple holes and fills chamber。The inclinometer pipe of the present invention has very strong Anti-pull-press, bend resistance, anti-torsion ability, improves inclinometer pipe and surrounding rock-soil layer compatible deformation ability, reduces the serosity buoyancy to inclinometer pipe, and inclinometer pipe base is in fixing connection status all the time with basement rock。
Description
Technical field
The present invention relates to engineering, geological disaster deformation monitoring field, particularly to deep drill deformation monitoring, detection field, be specifically related to a kind of high-strength double-walled inclinometer pipe measured for tilt displacement。
Geotechnical Engineering deep deformation monitoring subsidiary pipe fitting
。Specifically, it is primarily directed to technique improvement that the inclinometer pipe that current slidingtype and stationary slope level use carries out and technology replaces。
Background technology
For many years, inclinometer has been increasingly being applied to the safety monitoring of the engineerings such as side slope, ground, dam。Therefore, the quality of the inclinometer pipe supporting with inclinometer also increasingly receives the concern of people, because inclinometer is to obtain Rock And Soil displacement by measuring the displacement being embedded in Rock And Soil inclinometer pipe。It is apparent that the quality of inclinometer pipe quality, the measuring accuracy of inclinometer and the reliability testing achievement will be directly connected to。
The size that inclinometer pipe guide groove reverses, is the important content weighing inclinometer pipe quality。ISRM's rock mechanics suggesting method and Art of Rock Mechanics Studies in China testing regulations all specify: in the inclinometer pipe assembled, and the torsion angle of every 3m length must not exceed 1 °, preferably no more than 5 ° in length range。
The windup-degree of current aluminium alloy inclinometer pipe guide groove is relatively small, and is better than the standard that code specifies, but this kind of tubing cost is high, and inapplicable large-scale engineering safety and Geological Hazards Monitoring detect。And plastic pipe torsion problem with type is very serious, scarcely meet regulatory requirements, especially with PVC plastic pipe for very。
Therefore, a kind of cheap, rational in infrastructure, disclosure satisfy that pipe fitting measured by the engineering plastics of measurement demand, just it is particularly important。
Summary of the invention
It is an object of the invention to provide a kind of high intensity double-walled inclinometer pipe measured for tilt displacement that can overcome drawbacks described above。
The invention provides a kind of high intensity double-walled inclinometer pipe measured for tilt displacement, self-opening type grasp base is triggered including multiple measurement pipe fittings, multiple pipe connecting component and axial compressive force, wherein: the plurality of measurement pipe fitting is connected by described pipe connecting component, described axial compressive force triggering self-opening type grasp base is connected with the measurement pipe fitting of first counterbore；Described measurement pipe fitting has inner and outer wall, described inwall and the formation of described outer wall and has inside and outside four mixed earth filling chambeies to arc structure, and described outer wall has multiple hole；When described inclinometer pipe sinks to foot of hole, by pressing in its axial direction, described axial compressive force triggers self-opening type grasp base and opens and basement rock anchoring, and when mixed earth backfills, cement mortar enters described mixed earth by the plurality of hole and fills chamber；Described axial compressive force triggers self-opening type grasp base and includes inclinometer pipe connector, sliding bar, compression spring, stopping means and certainly open grasp, described inclinometer pipe connector is measured pipe fitting with a joint of first counterbore and is connected, the two ends of described sliding bar respectively with described inclinometer pipe connector and certainly open grasp and be connected, described compression spring housing is on described sliding bar, when described axial compressive force triggers the axial compressive force that self-opening type grasp base is subject to from inclinometer pipe, sliding bar is to certainly opening grasp sliding, the described grasp release grasp that certainly opens is made to embed the basement rock of hole wall to form anchoring by the triggering of described stopping means。
Preferably, described high intensity double-walled inclinometer pipe also includes: four connect grid, for described inwall and described outer wall being linked together, four connect grid and slide guide groove with described inwall four inclinometers of formation, and each grid and described outer wall form pipe fitting and install stopper slot；Described inclinometer slides location when guide groove is measured for tilt displacement, and it is spacing for being attached when using described pipe connecting component to be linked together by two joint measurement pipe fittings that stopper slot installed by described pipe fitting。
Preferably, described four inclinometers slide guide groove and are mutually 90 degree of angles。
Preferably, described measurement pipe fitting adopts propylene--butadiene--benzene diene ABS engineering plastics to be main material。
Preferably, the external diameter of described measurement pipe fitting is 80mm, and described inner wall thickness is 2mm, and described outer wall thickness is 3mm。
Preferably, described high intensity double-walled inclinometer pipe also includes sensor, and described sensor is positioned at described mixed earth and fills intracavity。
The inside and outside high strength that arc structure achieves inclinometer pipe of the double-walled of the present invention, has very strong Anti-pull-press, bend resistance, anti-torsion ability；By outer wall hole, such as design between double-walled not only increases inclinometer pipe and surrounding rock-soil layer compatible deformation ability, and reduces the serosity buoyancy to inclinometer pipe；Axial compressive force triggers self-opening type grasp base makes inclinometer pipe base be in fixing connection status all the time with basement rock, solves in traditional handicraft and fixes problem loosely with basement rock bottom inclinometer pipe。
Accompanying drawing explanation
Fig. 1 is the sectional view measuring pipe fitting of high intensity double-walled inclinometer pipe according to embodiments of the present invention。
Fig. 2 is the axonometric chart of high intensity double-walled inclinometer pipe according to embodiments of the present invention。
Fig. 3 is the structure chart of the axial compressive force triggering self-opening type grasp base of high intensity double-walled inclinometer pipe according to embodiments of the present invention。
Detailed description of the invention
Below by drawings and Examples, technical scheme is described in further detail。
For engineering, geological disaster deformation monitoring, deep deformation monitoring is to obtain one of Rock And Soil deformation behaviour and evolutionary process means the most direct, maximally effective。The domestic deep deformation monitoring means employed up to uses sliding inclinometer or stationary slope level exactly at present, this kind of measuring method is required for the cooperation of auxiliary inclinometer pipe, but, all there is insufficient strength, the irrational drawback of measurement structure in the deviational survey pipe fitting of current domestic employing, thus cause inclinometer pipe use process in the middle of produce reverse, bending, structural stability poor, make the certainty of measurement of deep displacement be greatly reduced。
For the deficiency of current deviational survey pipe fitting, the invention discloses a kind of high-strength double-walled inclinometer pipe measured for tilt displacement。Under the premise measuring range, measuring principle, metering system not changing existing sliding inclinometer, the high-strength double-walled inclinometer pipe of the present invention adopts double-walled multiple hole structure, add the torsional strength of inclinometer pipe, enhancing the degree of coupling of inclinometer pipe and ground, this inclinometer pipe is also reserved with other and measures type sensor installation transmission channel。
For achieving the above object, the high-strength double-walled inclinometer pipe for tilt displacement measurement of the present invention includes multiple measurement pipe fitting, pipe connecting component and axial compressive force triggering self-opening type grasp base。Measure the main body of the inclinometer pipe that pipe fitting is the present invention, pipe connecting component links together for more piece is measured pipe fitting, axial compressive force triggers self-opening type grasp base and first segment (first counterbore) measurement pipe fitting and is connected, is used for being fixedly connected the basement rock of inclinometer pipe Yu foot of hole。
Fig. 1 is the sectional view measuring pipe fitting of high intensity double-walled inclinometer pipe according to embodiments of the present invention。
Fig. 2 is the axonometric chart of high intensity double-walled inclinometer pipe according to embodiments of the present invention。
Below, in conjunction with Fig. 1 and Fig. 2, the high intensity double-walled inclinometer pipe of the present invention is described in detail。
This measurement pipe fitting is the main body of the present invention, observes from its cross section, and inside and outside it, the structure of two-tube wall makes its interface be ancient coins shapes。Preferably, the ABS engineering plastics that this measurement pipe fitting employing toughness plasticity is superior are as main material。Preferably, tube outer diameter is 80mm, it is adaptable to the perforate rig of all specifications of caliber dimensions above。
Measuring pipe fitting and have inner and outer wall, its inwall and described outer wall connect grid by four and link together, and each grid and described inwall form inclinometer and slide guide groove, and each grid and described outer wall form pipe fitting and install stopper slot。The inner tubal wall of this measurement pipe fitting leaves four gathering sills in 90 ° mutually, this gathering sill be sliding inclinometer slide guide groove, for carrying out location during tilt displacement measurement/slips measurement。The mixed earth leaving 4 similar eye-shapeds between pipe fitting inner wall with pipe fitting outer wall fills chamber, and the outer wall of this cavity/pipe fitting outer tube wall leaves multiple hole。When mixed earth backfills, cement mortar can pass through the multiple holes on outer tube wall and enter mixed earth filling chamber。This design not only increases inclinometer pipe and surrounding rock-soil layer compatible deformation ability, and reduces the serosity buoyancy to inclinometer pipe。It addition, one or more mixed earth fills chamber is also used as the passage of other types sensor, owing to not being the emphasis of the present invention, therefore repeat no more。
The double wall design of the present invention achieves the high-strength functional of inclinometer pipe。Preferably, the outer wall wall thickness of the inclinometer pipe of the present invention is 3mm, inner wall thickness is 2mm, the mechanical strength synthesizing wall thickness that this inside and outside structure to arc makes measurement pipe fitting is 4-5 times of the mechanical strength of the inclinometer pipe of existing 5mm wall thickness, therefore, this pipe fitting has very strong Anti-pull-press, bend resistance, anti-torsion ability。The making of whole pipe fitting adopts extruding grinding tool to produce, and cost can be greatly lowered。
The outer wall of this measurement pipe fitting leaves pipe fitting and installs stopper slot (glide direction alignment slot), saving upper and lower two when this stopper slot is to use pipe connecting component when inclinometer pipe connects spacing (when preventing upper and lower pipe fitting from docking generation rotation) and use, its function is same as the stopper slot on conventional measurement inclined tube。
In sum, the connection grid of four gathering sills in 90 ° mutually, the outer tube wall of regular array hole, completely enclosed inner tubal wall and connection two-layer tube wall the novel measuring inclined tube collectively formed。Compared with conventional measurement inclined tube, this novel measuring inclined tube, when not increasing weight and cost, has been significantly increased the Anti-pull-press of inclinometer pipe, bend resistance, anti-torsion ability。Additionally, cement injection can pass through hole enters region between two-layer tube wall, not only increase inclinometer pipe and surrounding rock-soil layer compatible deformation ability, and reduce the serosity buoyancy to inclinometer pipe。
The overall dimension of this pipe fitting is more than the size of conventional measurement inclined tube, and this way is when not reducing sliding inclinometer internal motion space, adds mixed earth filled chamber and other are measured type sensor and install transmission channel。Meanwhile, the increase of this plumbing dimensions also makes inclinometer pipe stability in measurement process be greatly enhanced, and the increase of size complies fully with the requirement of site operation bore size。
Fig. 3 is the structure chart of the axial compressive force triggering self-opening type grasp base of high intensity double-walled inclinometer pipe according to embodiments of the present invention。
Include compression spring, sliding bar, stopping means, inclinometer pipe connector as it is shown on figure 3, axial compressive force triggers self-opening type grasp base and certainly open grasp。
Inclinometer pipe connector is connected for measuring pipe fitting (first the measurement pipe fitting of counterbore) with first segment, the two ends of sliding bar respectively with inclinometer pipe connector and certainly open grasp and be connected, compression spring housing is on sliding bar, stopping means is divided into two parts, Part I is positioned at the outer of sliding bar and puts, and Part II is positioned at from opening on grasp。
When inclinometer pipe base is transferred to after at the bottom of hole along boring, by being pressed down against inclinometer pipe, sliding bar stress, to certainly opening the sliding of grasp direction, drives the stopping means of Part I to be pressed down against the stopping means of Part II, then make, from opening grasp release, to embed in hole wall periphery basement rock。In this way it is ensured that inclinometer pipe is in deformation process, base and basement rock are in fixing connection status all the time。It is fixed by concreting bottom traditional inclinometer pipe, but in real process, restriction due to construction technology, the impact of subsoil water, the bottom of inclinometer pipe can not well be fixed, therefore be there is certain error by the selection of datum mark in the process of bottom measurement integration in sliding inclinometer, and this grasp device solves this kind of problem。
Below, the detailed description example according to the installation process of the high-strength double-walled inclinometer pipe for tilt displacement measurement of the present invention
1) axial compressive force is triggered self-opening type grasp base and be adjusted to the state that grasp closes up；
2) axial compressive force is triggered self-opening type grasp base, measure pipe fitting by its inclinometer pipe connector with first segment and be connected；
3) the main offset direction of stopper slot alignment installed by the pipe fitting that will be located in measuring pipe fitting outer wall, (it is same as tradition existing by pipe connecting component, repeat no more) save inclinometer pipes by upper and lower two and be attached, in connection procedure, inclinometer pipe can any 90-degree rotation；
4) according to drilling depth, multiple measurement pipe fittings are installed connection one by one, when inclinometer pipe is installed and arrived drilling depth, in the axial direction whole inclinometer pipe is imposed suitable pressure, make the grasp of self-opening type grasp base trigger and open；
5) the mixed earth of boring backfill。
Professional should further appreciate that, the unit of each example described in conjunction with the embodiments described herein and algorithm steps, can with electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate the interchangeability of hardware and software, generally describe composition and the step of each example in the above description according to function。These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme。Professional and technical personnel specifically can should be used for using different methods to realize described function to each, but this realization is it is not considered that beyond the scope of this invention。
The method described in conjunction with the embodiments described herein or the step of algorithm can use the software module that hardware, processor perform, or the combination of the two is implemented。Software module can be placed in any other form of storage medium known in random access memory (RAM), internal memory, read only memory (ROM), electrically programmable ROM, electrically erasable ROM, depositor, hard disk, moveable magnetic disc, CD-ROM or technical field。
Above-described detailed description of the invention; the purpose of the present invention, technical scheme and beneficial effect have been further described; it is it should be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain being not intended to limit the present invention; all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention。
Claims (6)
1. the high intensity double-walled inclinometer pipe measured for tilt displacement, triggers self-opening type grasp base including multiple measurement pipe fittings, multiple pipe connecting component and axial compressive force, it is characterised in that:
The plurality of measurement pipe fitting is connected by described pipe connecting component, and described axial compressive force triggers self-opening type grasp base and is connected with the measurement pipe fitting of first counterbore；
Described measurement pipe fitting has inner and outer wall, described inwall and the formation of described outer wall and has inside and outside four mixed earth filling chambeies to arc structure, and described outer wall has multiple hole；
When described inclinometer pipe sinks to foot of hole, by pressing in its axial direction, described axial compressive force triggers self-opening type grasp base and opens and basement rock anchoring, and when mixed earth backfills, cement mortar enters described mixed earth by the plurality of hole and fills chamber；
Described axial compressive force triggers self-opening type grasp base and includes inclinometer pipe connector, sliding bar, compression spring, stopping means and certainly open grasp, described inclinometer pipe connector is measured pipe fitting with a joint of first counterbore and is connected, the two ends of described sliding bar respectively with described inclinometer pipe connector and certainly open grasp and be connected, described compression spring housing is on described sliding bar, when described axial compressive force triggers the axial compressive force that self-opening type grasp base is subject to from inclinometer pipe, sliding bar is to certainly opening grasp sliding, the described grasp release grasp that certainly opens is made to embed the basement rock of hole wall to form anchoring by the triggering of described stopping means。
2. high intensity double-walled inclinometer pipe according to claim 1, it is characterised in that also include:
Four connect grid, and for described inwall and described outer wall being linked together, four connect grid and slide guide groove with described inwall four inclinometers of formation, and each grid and described outer wall form pipe fitting and install stopper slot；
Described inclinometer slides location when guide groove is measured for tilt displacement, and it is spacing for being attached when using described pipe connecting component to be linked together by two joint measurement pipe fittings that stopper slot installed by described pipe fitting。
3. high intensity double-walled inclinometer pipe according to claim 2, it is characterised in that wherein, described four inclinometers slide guide groove and are mutually 90 degree of angles。
4. high intensity double-walled inclinometer pipe according to claim 1, it is characterised in that wherein, described measurement pipe fitting adopts propylene--butadiene--benzene diene ABS engineering plastics to be main material。
5. high intensity double-walled inclinometer pipe according to claim 1, it is characterised in that wherein, the external diameter of described measurement pipe fitting is 80mm, and described inner wall thickness is 2mm, and described outer wall thickness is 3mm。
6. high intensity double-walled inclinometer pipe according to claim 1, it is characterised in that also include: sensor, described sensor is positioned at described mixed earth and fills intracavity。
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| CN105155499B (en) * | 2015-06-19 | 2017-03-08 | 珠江水利委员会珠江水利科学研究院 | Deviational survey pipe mounting structure and its construction method |
| CN105239548B (en) * | 2015-09-30 | 2017-07-21 | 河海大学 | A kind of inclinometer pipe fixing device for installing |
| CN105758380A (en) * | 2016-04-22 | 2016-07-13 | 上海达华测绘有限公司 | Inclination measuring instrument and method |
| CN106560675B (en) * | 2016-06-03 | 2019-04-19 | 三峡电力职业学院 | It is a kind of for protecting device, manufacturing method and the application of deviational survey hole bottom pass |
| CN116005735B (en) * | 2023-01-06 | 2024-04-16 | 中国科学院武汉岩土力学研究所 | A slide inclinometer centering positioner for tubular pile straightness that hangs down is measured |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| UA63235A (en) * | 2003-03-11 | 2004-01-15 | Univ Sevastopol Nat Technical | Appliance for exhaust to atmosphere |
| CN102102358A (en) * | 2011-01-21 | 2011-06-22 | 东南大学 | Method for measuring deep sedimentation deformation of foundation by using wireless conduction water pressure meter |
| CN102953365A (en) * | 2012-11-23 | 2013-03-06 | 同济大学 | Multilayer blade-typed multipoint displacement metre anchor head used for soft soil layer |
| CN103526782A (en) * | 2013-09-27 | 2014-01-22 | 中国建筑第八工程局有限公司 | Method for monitoring horizontal displacement of underground continuous wall body |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3823255B2 (en) * | 2004-03-15 | 2006-09-20 | 株式会社竹中工務店 | Measuring method of axial force of ground improved pile |
-
2014
- 2014-03-19 CN CN201410101726.4A patent/CN103882848B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| UA63235A (en) * | 2003-03-11 | 2004-01-15 | Univ Sevastopol Nat Technical | Appliance for exhaust to atmosphere |
| CN102102358A (en) * | 2011-01-21 | 2011-06-22 | 东南大学 | Method for measuring deep sedimentation deformation of foundation by using wireless conduction water pressure meter |
| CN102953365A (en) * | 2012-11-23 | 2013-03-06 | 同济大学 | Multilayer blade-typed multipoint displacement metre anchor head used for soft soil layer |
| CN103526782A (en) * | 2013-09-27 | 2014-01-22 | 中国建筑第八工程局有限公司 | Method for monitoring horizontal displacement of underground continuous wall body |
Non-Patent Citations (1)
| Title |
|---|
| 钻孔测斜方法在京珠高速公路高边坡防护工程中的应用;毛晋等;《中南公路工程》;20021231;第27卷(第4期);第67-70页 * |
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Inventor after: Liu Xiaoyu Inventor after: Ding Zhilin Inventor after: Hou Yuefeng Inventor after: Wang Xingkun Inventor before: Liu Xiaoyu Inventor before: Ding Zhilin Inventor before: Hou Yuefeng Inventor before: Chen Meng |
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Effective date of registration: 20160629 Address after: 100193, room 6624, building 6, South 1 village, Northeast Village, Beijing, Haidian District Patentee after: BEIJING ZHONGLI ZHIYAN INTERNET OF THINGS TECHNOLOGY CO., LTD. Address before: 100190 Beijing City, Haidian District No. 5 east 5 unit 601 Patentee before: Liu Xiaoyu |