CN108917719A - A kind of sliding inclinometer measurement and positioning structure - Google Patents
A kind of sliding inclinometer measurement and positioning structure Download PDFInfo
- Publication number
- CN108917719A CN108917719A CN201811131953.6A CN201811131953A CN108917719A CN 108917719 A CN108917719 A CN 108917719A CN 201811131953 A CN201811131953 A CN 201811131953A CN 108917719 A CN108917719 A CN 108917719A
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- China
- Prior art keywords
- cable
- wall
- locating
- gripping mechanism
- sliding
- Prior art date
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Classifications
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- 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
Abstract
The present invention relates to a kind of sliding inclinometer measurement and positioning structure and its application method, including locating cover and cable, it is provided with flexible gripping mechanism on the locating cover, locating slot is equidistantly arranged at intervals on the cable, locating slot is provided with limited wall and guide wall.Stretch described in the locating slot face of cable gripping mechanism when, the flexible gripping mechanism stretching is caught in the locating slot, and limits fixed cable position by the limited wall；When continuing to lift the cable, the idler wheel of the flexible gripping mechanism skids off the locating slot along the guide wall.The present invention has positioning convenient, accurate, effectively reduces human cost, improves measurement accuracy.
Description
Technical field
The present invention relates to safety monitoring technology field more particularly to a kind of sliding inclinometer measurement and positioning structures.
Background technique
Sliding inclinometer is a kind of in-situ monitoring instrument for monitoring Rock And Soil horizontal displacement, can be used for observing all kinds of engineerings
The Rock And Soil horizontal displacement of different depth.
Existing sliding inclinometer includes cable and the displacement sensor with cable connection, every on the crust of cable
Every 0.5m or 1m, one length mark is set；Scene passes through the hand-held electricity of manpower in use, displacement sensor is put into inclinometer pipe
Cable, and displacement sensor is lifted step by step.Every level-one needs to rely on the position that length mark determines simultaneously stability sensor when measuring.For
The position of stability sensor, existing way be by manpower by cable identification pressing in inclinometer tube orifice guide groove position (as schemed
1).In consideration of it, two people of existing deviational survey need of work carry out, a personal responsibility lifts sliding inclinometer, and another person is responsible for
The counting of readout instrument.
As it can be seen that the shortcomings that existing sliding inclinometer, includes：Length mark rubs using and with nozzle be easy for a long time
Abrasion, and length mark all has certain width, sunshade standard of reference identification in measurement is difficult to keep unanimously, also just very
It is difficult to guarantee the consistency of the position measured twice.In addition, length mark pressing is in inclinometer tube orifice position, cable is to displacement at this time
What sensor generated is oblique pulling force, and under the action of the horizontal component of oblique pulling force, displacement sensor can generate deflection in turn
It influences measurement accuracy (as shown in Figure 2).Furthermore on the one hand two people's conjunction measuring when deviational survey is easy to do over again because tacit agreement is insufficient,
It on the other hand is the significant wastage of human cost.
To sum up, it is convenient, accurate to be badly in need of a kind of positioning for existing sliding inclinometer, reduces the measurement and positioning knot of human cost
Structure.
Summary of the invention
The first purpose of the invention is to provide a kind of sliding inclinometer measurement and positioning structure, convenient with positioning,
Accurately, human cost is effectively reduced.
A second object of the present invention is to provide a kind of application methods of sliding inclinometer measurement and positioning structure.
For up to first purpose, the present invention uses following technical scheme：
A kind of sliding inclinometer measurement and positioning structure, including locating cover and cable；
The locating cover includes hollow cylindrical body and the outwardly extending cover rim of bodies top, the ontology and cover rim one
Body formed, the ontology is plugged in the nozzle of inclinometer pipe, and the ontology and cover rim are provided in same position through inside and outside wall
Notch is symmetrically arranged with flexible gripping mechanism on the inner wall of the ontology, and the flexible gripping mechanism front end face is provided with idler wheel；
The first end of the cable connects displacement sensor, and second end connects readout instrument, and the cable is along first end to the
Two end spaced sets have locating slot, and the locating slot is guide wall by the side wall of first end, and the side wall by second end is limit
Wall；
The cable is placed in the middle part of the locating cover by the notch, and the idler wheel of the flexible gripping mechanism presses against
The cable outer wall；Stretch described in the locating slot face of cable gripping mechanism when, the flexible gripping mechanism stretching is caught in institute
It states in locating slot, and fixed cable position is limited by the limited wall；When continuing to lift the cable, the flexible gripping mechanism
Idler wheel skid off the locating slot along the guide wall.
Preferably, the flexible gripping mechanism includes slide bar, sliding block, spring, and the slide bar is vertically fixed on the positioning
The inner wall of lid, the sliding block are slidably sleeved on the slide bar, and the spring is also threaded through on the slide bar, one end connection
The sliding block, the other end are fixed on the locating cover inner wall；The front end face of the sliding block is symmetrical above and below to be provided with the idler wheel.
Preferably, the inner wall of the locating cover is provided with counterbore, and the slide bar and spring are each attached to the bottom of the counterbore
Side wall.
Preferably, the locating slot further includes bottom wall, and the bottom wall length is greater than between the outer edge of upper and lower side wheel
Distance；The limited wall includes limiting groove and protrusion, and the limiting groove side is concordant with bottom wall, the limiting groove groove depth
Less than the radius of the idler wheel, the width of the limiting groove is less than the diameter of the idler wheel, and the outer of the protrusion is transition
Circular arc；Transition arc of the guide wall between the bottom wall and cable outer wall.
Preferably, the sliding slot for penetrating through the cable along its length is also symmetrically arranged on the cable, the sliding slot
The deep equality of depth and the locating slot；The slide bar front end is protruded into the sliding slot.
Preferably, the spacing between the locating slot is 50cm or 1m.
Preferably, the cable is additionally provided with strengthening course in the position of the locating slot, the strengthening course be steel wire or
Web.
Preferably, the diameter of the cover rim is greater than the outer diameter of inclinometer pipe, and the locating cover uses high strength plastics or metal material
Matter is made.
To reach another object of the present invention, the present invention is adopted the following technical scheme that：
A kind of application method of sliding inclinometer measurement and positioning structure, includes the following steps：
(1) sliding inclinometer and locating cover above-mentioned for having aforementioned cable are provided；
(2) displacement sensor, is slowly put into inclinometer pipe tube bottom by cable by the protective cover for opening inclinometer pipe；
(3) cable is placed in the middle part of the locating cover by the notch, and two sides are stretched gripping mechanism
Slide bar is placed in the sliding slot of cable, then, the locating cover is plugged in the nozzle of inclinometer pipe, and ensure top of inclinometer pipe and institute
State the fitting of cover rim bottom；
(4) cable is lifted, the cable so that the flexible gripping mechanism stretching comes loose after being caught in first locating slot,
After waiting readout instrument data stabilization, by readout instrument data record key record first time sensing data；
(5) cable is slowly lifted, so that the idler wheel of the flexible gripping mechanism skids off first institute along the guide wall
State locating slot；
(6) continue to lift cable, so that the flexible gripping mechanism stretching comes loose after being caught in second locating slot
Cable, after waiting readout instrument data stabilization, by readout instrument data record second of sensing data of key record；
(7) acquisition for completing all deviational survey data in step (5)-(6) is repeated；
(8) locating cover is laid down, and covers inclinometer pipe protective cover；Cable is taken out from notch, and is placed displacement and passed
Sensor and locating cover complete entire deviational survey work.
The attainable technical effect of institute of the invention has：
(1) locating slot on the locating cover and cable that the present invention passes through specific structure carries out positioning measurement, eliminates length
Mark, greatly facilitates positioning, and can guarantee that the multiple measurement position of same observation station is completely the same, eliminates the subtle difference in position
The different influence to deviational survey data, in addition, under the action of locating cover stretches gripping mechanism, it is ensured that cable is in deviational survey always
The middle part of pipe will not apply oblique pulling force to displacement sensor and avoid the inclined of displacement sensor caused by oblique pulling force in turn
Turn, so that measurement result is more accurate；
(2) present invention is provided with limited wall and guide wall on locating slot, and limited wall limits cable and displacement sensor
Downslide, can come loose completely cable after lifting in place, therefore, by using measurement and positioning structure of the invention, a people is
Achievable deviational survey work, reduces human cost；The setting of guide wall can make flexible gripping mechanism easily skid off positioning
Slot greatly reduces deviational survey lifting difficulty, reduces labor intensity in addition, cooperating flexible gripping mechanism；
(3) present invention cleverly sets slide bar, and slide bar both can be used as the slideway of sliding block, the guide rod of spring, and can
Using the weight in measurement as supporting element balanced cable and displacement sensor；Meanwhile cooperating sliding slot, it can be to the lifting of cable
It is oriented to, is to achieve many things at one stroke；
(4) present invention is provided with limiting groove on limited wall, and limiting groove cooperates idler wheel, can be completely by cable and position
The position of displacement sensor is subject to stuck, prevents slipping phenomenon, further ensures the precision of measurement；
(5) present invention is provided with strengthening course in the position of locating slot, and the intensity at locating slot can be improved in strengthening course, effectively
It balances at locating slot and the intensity difference of its elsewhere of cable, cable is prevented to be pulled off at locating slot；
(6) it is greater than the cover rim of deviational survey pipe outside diameter by setting diameter, has greatly facilitated locating cover and inserted or pull out deviational survey
Pipe.
Detailed description of the invention
Fig. 1 is the schematic cross-section of existing inclinometer pipe；
Fig. 2 is existing sliding inclinometer instrumentation plan；
Fig. 3 is structural schematic diagram of the one embodiment of the invention in sliding；
Fig. 4 is the top view of one embodiment of the invention Fig. 3；
Structural schematic diagram when Fig. 5 is one embodiment of the invention positioning；
Fig. 6 is sectional view of the one embodiment of the invention Fig. 5 at locating slot；
Fig. 7 is enlarged drawing at B in one embodiment of the invention Fig. 5；
Fig. 8 is enlarged drawing at A in one embodiment of the invention Fig. 3；
Fig. 9 is the structural schematic diagram of one embodiment of the invention cable.
Wherein：Locating cover 1, cover rim 11, ontology 12, notch 13, flexible gripping mechanism 1-1, counterbore 1-1-1, slide bar 1-1-
2, spring 1-1-3, sliding block 1-1-4, idler wheel 1-1-5, cable 2, locating slot 21, sliding slot 22, protrusion 2-1-1, limiting groove 2-1-
2, bottom wall 2-1-3, guide wall 2-1-4, inclinometer pipe 3, displacement sensor 4.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment 1：
As shown in figures 3-8, a kind of sliding inclinometer measurement and positioning structure, including locating cover 1 and cable 2；
The locating cover 1 includes the 12 outwardly extending cover rim 11 in top of hollow cylindrical body 12 and ontology, the ontology
12 and cover rim 11 be integrally formed, the ontology 11 is plugged in the nozzle of inclinometer pipe 3, and the ontology 12 and cover rim 11 are in same position
It is provided with the notch 13 through inside and outside wall, flexible gripping mechanism 1-1 is symmetrically arranged on the inner wall of the ontology 12, it is described flexible
Gripping mechanism 1-1 front end face is provided with idler wheel 1-1-5；
The first end of the cable 2 connects displacement sensor 4, and second end connects readout instrument, the cable 2 along first end to
Second end spaced set has locating slot 21, and the locating slot 21 is guide wall by the side wall of first end, by the side wall of second end
For limited wall；Limited wall limits the downslide of cable and displacement sensor 4, and can come loose cable completely after lifting in place, therefore,
By using measurement and positioning structure of the invention, deviational survey work is can be completed in a people, reduces human cost；Guide wall is set
Setting can make flexible gripping mechanism easily skid off locating slot, in addition, cooperating flexible gripping mechanism, greatly reduce deviational survey
Difficulty is lifted, labor intensity is reduced；
The cable 2 is placed in the middle part of the locating cover 1, the rolling of the flexible gripping mechanism 1-1 by the notch 13
Wheel 1-1-5 presses against 2 outer wall of cable；Stretch described in 21 face of locating slot of cable 2 gripping mechanism 1-1 when, it is described to stretch
Contracting gripping mechanism 1-1 stretching is caught in the locating slot 21, and limits fixed 2 position of cable by the limited wall；Continue to lift
When the cable 2, the idler wheel 1-1-5 of the flexible gripping mechanism 1-1 skids off the locating slot 21 along the guide wall.
By above structure, length mark is eliminated, greatly facilitates positioning, and can guarantee that same observation station is repeatedly surveyed
It is completely the same to measure position, eliminates influence of the position nuance to deviational survey data, in addition, the flexible clamping in locating cover 1 fills
Under the action of setting 1-1, it is ensured that cable is in the middle part of inclinometer pipe always, will not apply oblique pulling force to displacement sensor 4,
In turn, the deflection of displacement sensor 4 caused by oblique pulling force is avoided, so that measurement result is more accurate.
As shown in fig. 6, the flexible gripping mechanism 1-1 includes slide bar 1-1-2, sliding block 1-1-4, spring 1-1-3, the cunning
Bar 1-1-2 is vertically fixed on the inner wall of the locating cover 1, and the sliding block 1-1-4 is slidably sleeved on the slide bar 1-1-2
On, the spring 1-1-3 is also threaded through on the slide bar 1-1-2, and one end connects the sliding block 1-1-4, and the other end is fixed on institute
It states on 1 inner wall of locating cover；The front end face of the sliding block 1-1-4 is symmetrical above and below to be provided with the idler wheel 1-1-5.Here slide bar 1-
1-2 both can be used as the slideway of sliding block 1-1-4, the guide rod of spring 1-1-3, and can balance electricity as supporting element in measurement
The weight of cable 2 and displacement sensing；Meanwhile cooperating locating slot 21, the lifting of cable 2 can be oriented to, be achieved many things at one stroke.
Further, the inner wall of the locating cover 1 is provided with counterbore 1-1-1, and the slide bar 1-1-2 and spring 1-1-3 are equal
It is fixed on the downside wall of the counterbore 1-1-1, reduces the area occupied of flexible gripping mechanism 1-1 in this way, is placed in convenient for cable 2
In locating cover；
As shown in fig. 7, the locating slot 21 further includes bottom wall, the bottom wall length is outer greater than upper and lower side wheel 1-1-5
The distance between edge；The limited wall includes limiting groove 2-1-2 and protrusion 2-1-1, the side the limiting groove 2-1-2 with
Bottom wall is concordant, and the limiting groove 2-1-2 groove depth is less than the radius of the idler wheel, and the width of the limiting groove 2-1-2 is less than
The diameter of the idler wheel 1-1-5, the outer of the protrusion 2-1-1 are transition arc；The guide wall is the bottom wall and cable
Transition arc between outer wall.Limiting groove 2-1-2 cooperates idler wheel, can completely add the position of cable and displacement sensor 4
With stuck, slipping phenomenon is prevented, the precision of measurement is further ensured；
As shown in figure 9, the sliding slot 22 for penetrating through the cable along its length is also symmetrically arranged on the cable 2, it is described
The deep equality of the depth of sliding slot 22 and the locating slot 21；The slide bar 1-1-2 is protruded into front end in the sliding slot 22.
Further, the spacing between the locating slot 21 is 50cm or 1m.
The cable 2 is additionally provided with strengthening course in the position of the locating slot 21, and the strengthening course is steel wire or fiber
Net (not shown).Strengthening course can be improved the intensity at locating slot, at active balance locating slot 21 and 2 its elsewhere of cable it is strong
It is poor to spend, and cable is prevented to be pulled off at locating slot 21；
Further, referring to Fig. 3, the diameter of 5 cover rims 11 is greater than the outer diameter of inclinometer pipe 3, in this way, greatly facilitating
Locating cover inserts or pull out inclinometer pipe.The locating cover is made of high strength plastics or metal material.
Embodiment 2：
Referring to attached drawing 3-9, embodiment 2 is the application method of embodiment 1, is included the following steps：
(1) sliding inclinometer and locating cover above-mentioned 1 for having aforementioned cable 2 are provided；
(2) protective cover for opening inclinometer pipe, is slowly put into 3 tube bottom of inclinometer pipe for displacement sensor 4 by cable 2；
(3) cable is placed in the middle part of the locating cover 1 by the notch 13, and two sides is stretched gripping mechanism
In the sliding slot 22 of the slide bar 1-1-2 merging cable 2 of 1-1, then, the locating cover 1 is plugged in the nozzle of inclinometer pipe 3, and really
3 top of inclinometer pipe is protected to be bonded with 11 bottom of cover rim；
(4) cable 2 is lifted, so that the flexible gripping mechanism 1-1 stretching is loose after being caught in first locating slot 21
Power down cable 2, after waiting readout instrument data stabilization, by readout instrument data record key record first time sensing data；
(5) cable 2 is slowly lifted, so that the idler wheel 1-1-5 of the flexible gripping mechanism 1-1 is skidded off along the guide wall
First locating slot 21；
(6) continue to lift cable 2, so that the flexible gripping mechanism 1-1 stretching is caught in second locating slot 21
After come loose cable, after waiting readout instrument data stabilization, by readout instrument data record second of sensing data of key record；
(7) acquisition for completing all deviational survey data in step (5)-(6) is repeated；
(8) locating cover 1 is laid down, and covers inclinometer pipe protective cover；Cable 2 is taken out from notch 13, and places position
Displacement sensor 4 and locating cover 1 complete entire deviational survey work.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field
Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within
Within protection scope of the present invention.
Claims (9)
1. a kind of sliding inclinometer measurement and positioning structure, including locating cover and cable；It is characterized in that：
The locating cover includes hollow cylindrical body and the outwardly extending cover rim of bodies top, the ontology and cover rim one at
Type, the ontology are plugged in the nozzle of inclinometer pipe, the ontology and cover rim and same position are provided with the notch through inside and outside wall,
Flexible gripping mechanism is symmetrically arranged on the inner wall of the ontology, the flexible gripping mechanism front end face is provided with idler wheel；
The first end of the cable connects displacement sensor, and second end connects readout instrument, and the cable is along first end to second end
Spaced set has locating slot, and the locating slot is guide wall by the side wall of first end, and the side wall by second end is limited wall；
The cable is placed in the middle part of the locating cover by the notch, and the idler wheel of the flexible gripping mechanism presses against described
Cable outer wall；Stretch described in the locating slot face of cable gripping mechanism when, it is described fixed that the flexible gripping mechanism stretching is caught in
In the slot of position, and fixed cable position is limited by the limited wall；When continuing to lift the cable, the rolling of the flexible gripping mechanism
Wheel skids off the locating slot along the guide wall.
2. sliding inclinometer measurement and positioning structure according to claim 1, it is characterised in that：The flexible gripping mechanism
Including slide bar, sliding block, spring, the slide bar is vertically fixed on the inner wall of the locating cover, and the sliding block is slidably sleeved on
On the slide bar, the spring is also threaded through on the slide bar, and one end connects the sliding block, and the other end is fixed on the locating cover
On inner wall；The front end face of the sliding block is symmetrical above and below to be provided with the idler wheel.
3. sliding inclinometer measurement and positioning structure according to claim 2, it is characterised in that：The inner wall of the locating cover
It is provided with counterbore, the slide bar and spring are each attached to the downside wall of the counterbore.
4. sliding inclinometer measurement and positioning structure according to claim 2 or 3, it is characterised in that：The locating slot is also
Including bottom wall, the bottom wall length is greater than the distance between the outer edge of upper and lower side wheel；The limited wall includes limiting groove
And protrusion, the limiting groove side is concordant with bottom wall, and the limiting groove groove depth is less than the radius of the idler wheel, the limit
The width of groove is less than the diameter of the idler wheel, and the outer of the protrusion is transition arc；The guide wall be the bottom wall with
Transition arc between cable outer wall.
5. sliding inclinometer measurement and positioning structure according to claim 3 or 4, it is characterised in that：On the cable also
It is symmetrically arranged with the sliding slot for penetrating through the cable along its length, the deep equality of the depth of the sliding slot and the locating slot；
The slide bar front end is protruded into the sliding slot.
6. sliding inclinometer measurement and positioning structure according to claim 5, it is characterised in that：Between the locating slot
Spacing is 50cm or 1m.
7. sliding inclinometer measurement and positioning structure according to claim 5, it is characterised in that：The cable is described fixed
The position of position slot is additionally provided with strengthening course, and the strengthening course is steel wire or web.
8. the diameter of sliding inclinometer measurement and positioning structure according to claim 7, the cover rim is greater than inclinometer pipe
Outer diameter, the locating cover are made of high strength plastics or metal material.
9. a kind of user of the sliding inclinometer measurement and positioning structure as described in any one of claim 1-8 claim
Method includes the following steps：
(1) sliding inclinometer and locating cover for having cable are provided；
(2) displacement sensor, is slowly put into inclinometer pipe tube bottom by cable by the protective cover for opening inclinometer pipe；
(3) cable is placed in the middle part of the locating cover by the notch, and two sides are stretched the slide bar of gripping mechanism
It is placed in the sliding slot of cable, then, the locating cover is plugged in the nozzle of inclinometer pipe, and ensure top of inclinometer pipe and the lid
It is bonded along bottom；
(4) cable is lifted, the cable so that the flexible gripping mechanism stretching comes loose after being caught in first locating slot waits
After readout instrument data stabilization, by readout instrument data record key record first time sensing data；
(5) slowly lift cable so that the idler wheel of the flexible gripping mechanism along the guide wall skid off first it is described fixed
Position slot；
(6) continue to lift cable, the cable so that the flexible gripping mechanism stretching comes loose after being caught in second locating slot,
After waiting readout instrument data stabilization, by readout instrument data record second of sensing data of key record；
(7) acquisition for completing all deviational survey data in step (5)-(6) is repeated；
(8) locating cover is laid down, and covers inclinometer pipe protective cover；Cable is taken out from notch, and places displacement sensor
And locating cover, complete entire deviational survey work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811131953.6A CN108917719B (en) | 2018-09-27 | 2018-09-27 | Sliding type inclinometer measuring and positioning structure and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811131953.6A CN108917719B (en) | 2018-09-27 | 2018-09-27 | Sliding type inclinometer measuring and positioning structure and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108917719A true CN108917719A (en) | 2018-11-30 |
| CN108917719B CN108917719B (en) | 2020-09-11 |
Family
ID=64409302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811131953.6A Active CN108917719B (en) | 2018-09-27 | 2018-09-27 | Sliding type inclinometer measuring and positioning structure and using method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN108917719B (en) |
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| CN111351471A (en) * | 2018-12-21 | 2020-06-30 | 航天科工惯性技术有限公司 | Cable depth suspension device and system of sliding inclinometer |
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| CN207453913U (en) * | 2017-09-21 | 2018-06-05 | 广东金东建设工程公司 | A kind of movable type borehole inclinometer probe catcher |
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| JP2005061985A (en) * | 2003-08-12 | 2005-03-10 | Shimizu Corp | System for measuring underground displacement |
| KR20110027254A (en) * | 2009-09-10 | 2011-03-16 | 윤용수 | The waterproof in-placement inclinometer sensor mounted on abs inclinometer casing inside for direct embedded into the ground after borehole drilled |
| CN104165621A (en) * | 2014-08-12 | 2014-11-26 | 四川准达科技有限责任公司 | Borehole camera inclination surveying robot |
| CN106595585A (en) * | 2016-11-21 | 2017-04-26 | 新昌县雷凯科技有限公司 | Sliding guide body structure of clinometer |
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| CN111351471A (en) * | 2018-12-21 | 2020-06-30 | 航天科工惯性技术有限公司 | Cable depth suspension device and system of sliding inclinometer |
| CN111351471B (en) * | 2018-12-21 | 2022-05-31 | 航天科工惯性技术有限公司 | Cable depth suspension device and system of sliding inclinometer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108917719B (en) | 2020-09-11 |
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