CN205067033U - See in dam and be used to lead automatic traction system of monitoring devices - Google Patents
See in dam and be used to lead automatic traction system of monitoring devices Download PDFInfo
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- CN205067033U CN205067033U CN201520879241.8U CN201520879241U CN205067033U CN 205067033 U CN205067033 U CN 205067033U CN 201520879241 U CN201520879241 U CN 201520879241U CN 205067033 U CN205067033 U CN 205067033U
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Abstract
The utility model provides a see in dam and be used to lead automatic traction system of monitoring devices, includes draw gear, is equipped with in the draw gear by the rotatory winding plant of drive arrangement drive, and the winding plant is walked around to the haulage rope, and the haulage rope is connected with the monitoring devices who walks along flexible detecting tube, still include rotatable first guide wheel, first guide wheel is walked around to the haulage rope, at the preceding cornerite guide pulley that is equipped with after, of first guide wheel to the cornerite that the increase haulage rope took turns to in first guide is equipped with absolute value photoelectric encoder at first guide wheel or winding plant. The utility model provides a pair of see in dam and be used to lead automatic traction system of monitoring devices, through the absolute value photoelectric encoder who sets up, cooperation PLC or singlechip can the accurate position of acquisitions monitoring devices in flexible detecting tube, reach traveling speed.
Description
Technical field
The utility model relates in engineering survey device field, particularly a kind of dam sees the automatic trailer system of inertial navigation monitoring device.The utility model is applicable to the inner sedimentation of ultra-high concrete panel face-plate of rockfill dam amount of deflection and dam body and horizontal shift distributed monitoring, also can with the dam body settlement distributed monitoring of the engineerings such as superelevation core wall rockfill dam, earth dam.
Background technology
Along with the development of dam construction technique, the height of dam of Concrete Face Rockfill Dam is also increasing gradually, since entering 21 century, has in succession built the thick backfill of a collection of height of dam 200m level in the world.Concrete Face Rockfill Dam height of dam increase while, the static stress and distortion of dam body and dam running status totally different in the new features of hundred meter level heights of dam by inevitably producing some.The change of dam face slab amount of deflection and dam body settlement directly can reflect the operation conditions of dam body, is the big event of rock-fill dams safety monitoring.
The inertial navigation monitoring system of current employing can continuous coverage, and achieve tunneling boring and measure, namely " line " is measured, and its measuring accuracy is high, compensate for the deficiency of this data fitting mode of traditional instrument " Points replacing surfaces " well.This technology has now been successfully applied in part hydraulic engineering, and all achieves good effect.The mode that draw-gear in this monitoring system utilizes wire rope pulley kinematic train to draw the back and forth walking inside monitoring pipeline of monitoring dolly is carried out traction and is dragged, namely by being arranged on the rotation of motor in kinematic train, and then drive wire rope pulley to rotate, realize the motion of monitoring dolly.But this mode of traction is comparatively coarse, be difficult to the range ability of position monitor dolly accurately, be therefore difficult to realize the one-point measurement to some keypoint parts in measuring process.
Summary of the invention
Technical problem to be solved in the utility model is to provide in a kind of dam and sees the automatic trailer system of inertial navigation monitoring device, realize the automatic traction control to the dam inertial navigation deformation monitoring device of some keypoint part one-point measurements, and accurately can measure the position at monitoring device place, and the travelling speed of monitoring device.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: see the automatic trailer system of inertial navigation monitoring device in a kind of dam,
Comprise draw-gear, be provided with in draw-gear and drive by drive unit the winding plant rotated, winding plant walked around by traction rope, and traction rope is connected with the monitoring device of walking along flexible detector tube;
Also comprise rotatable first guide wheel, the first guide wheel walked around by traction rope, is provided with cornerite guide wheel at the forward and backward of the first guide wheel, to increase the cornerite of traction rope on the first guide wheel, is provided with absolute value optoelectronic encoding device at the first guide wheel or winding plant.
Described flexible detector tube is in tilted layout, and described winding plant is drive by drive unit the reel rotated, and traction rope is connected with the afterbody of monitoring device, is connected with weight at the head of monitoring device.
Described winding plant is drive by drive unit the reel rotated, winding plant is two groups, the traction rope of one group of winding plant is connected with the afterbody of monitoring device, is connected after guide wheel at the bottom of the pipe be positioned at bottom flexible detector tube walked around by another traction rope organizing winding plant with the head of monitoring device.
The first described guide wheel should be two groups mutually.
Power lead and data line is provided with in described traction rope;
Described data line is connected with the wireless data transmission device along with spool turns;
Described power lead is connected with input power by rotatable power transmitting device.
In described rotatable power transmitting device, at least two transmission of electricity grooves are provided with in fixing transmission of electricity cylinder, mutual insulating between transmission of electricity groove, be movably installed with transmission of electricity slide block in transmission of electricity groove and formed be electrically connected with between transmission of electricity slide block, transmission of electricity slide block is fixedly connected with the transfer panel along with spool turns, and power lead is connected with transmission of electricity slide block respectively by transfer panel.
Described winding plant is drive by drive unit the driving wheel rotated, driving wheel walked around by traction rope, one end of traction rope is connected with the afterbody of monitoring device, is connected after the other end of traction rope walks around guide wheel at the bottom of the pipe be positioned at bottom flexible detector tube with the head of monitoring device;
Described first guide wheel activity is installed, and can move along the direction intersected with traction rope, and be provided with connecting link with on the axle of the first guide wheel, connecting link passes fixed support successively and is connected with nut with after spring.
Described flexible detector tube is multiple flexible tube couplings be connected to each other, and the termination of flexible tube coupling is provided with the flanging of tilting, and two flange circles are pressed on the flanging of two flexible tube couplings, are bolted between two flange circles;
Being provided with the flanging stage for holding flanging in the inner side of flange circle, outside the inner ring of flange circle, being provided with outer nock.
Between the termination of flexible tube coupling, be provided with O-ring seal, the inner ring edge of O-ring seal is provided with traction rope pipe suppending hole, for holding the traction rope pipe of traction rope through traction rope pipe suppending hole.
Also be provided with the relaying suspender through flexible tube coupling, relaying suspender is provided with relaying suppending hole.
The automatic trailer system of inertial navigation monitoring device is seen in a kind of dam that the utility model provides, by the absolute value optoelectronic encoding device arranged, coordinate PLC or single-chip microcomputer, accurately can obtain the position of monitoring device in flexible detector tube, and the speed of travel, also automatically can control monitoring device often to walk after a segment distance and automatically stop, so that the accelerometer in monitoring device obtains accurate Static output value.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is the one-piece construction schematic diagram of the flexible detector tube that the utility model is in tilted layout.
Fig. 2 is the one-piece construction schematic diagram of the horizontally disposed flexible detector tube of the utility model.
Fig. 3 is the another kind of one-piece construction schematic diagram of the horizontally disposed flexible detector tube of the utility model.
Fig. 4 is the close-up schematic view at A place in Fig. 2.、
Fig. 5 is the cross sectional representation of relaying suspender on flexible detector tube in the utility model.
Fig. 6 is the cross sectional representation of O-ring seal in the utility model.
Fig. 7 is the cross sectional representation of monitoring device in the utility model.
Fig. 8 is another structural representation of flexible detector tube in the utility model.
Fig. 9 is the cross sectional representation of traction rope in the utility model.
Figure 10 is structural representation when traction rope is connected with access power supply in the utility model.
Figure 11 is cross sectional representation when traction rope is connected with access power supply in the utility model.
Figure 12 is the structural representation of the first guide wheel in the utility model.
In figure: driving wheel 1, flexible detector tube 2, flexible tube coupling 21, flanging 22, O-ring seal 23, flange circle 24, flanging stage 25, outer nock 26, traction rope pipe suppending hole 27, relaying suspender 28, cover 281, trapezoidal portion 282, relaying suppending hole 283, traction rope pipe 29, traction rope 3, power lead 31, data line 32, monitoring device 4, teflon leg 41, weight 5, draw-gear 6, reel 61, wireless data transmission device 611, transfer panel 612, fixing transmission of electricity cylinder 613, transmission of electricity groove 614, transmission of electricity slide block 615, guide wheel 62 at the bottom of pipe, servomotor 63, damper 64, speed reduction unit 65, first guide wheel 7, cornerite guide wheel 71, connecting link 72, spring 73, nut 74, fixed support 75, pinch roller 76, absolute value optoelectronic encoding device 8.
Embodiment
Embodiment 1:
The automatic trailer system of inertial navigation monitoring device is seen in a kind of dam, comprise draw-gear 6, be provided with in draw-gear 6 and drive by drive unit the winding plant rotated, winding plant walked around by traction rope 3, and traction rope 3 is connected with the monitoring device 4 of walking along flexible detector tube 2;
Also comprise rotatable first guide wheel 7, the first guide wheel 7 walked around by traction rope 3, before the first guide wheel 7, after be provided with cornerite guide wheel 71, to increase the cornerite of traction rope 3 on the first guide wheel 7, the cornerite of traction rope 3 on the first guide wheel 7 is greater than 180 ° in this example, structure thus, avoid traction rope 3 to skid on the first guide wheel 7, guarantee to keep synchronous between the movement of traction rope 3 and the rotation of the first guide wheel 7, preferred further, the race xsect of the first guide wheel 7 adopts " V " font, after traction rope 3 is under pressure, press tighter and tighter between meeting and the race of " V " font.Further in preferred scheme, above the first guide wheel 7, be also provided with pinch roller (76).
Absolute value optoelectronic encoding device 8 is provided with at the first guide wheel 7 or winding plant, absolute value optoelectronic encoding device 8 is connected with PLC or single-chip microcomputer, to obtain the data of the rotation number of turns of the first guide wheel 7 and to draw the travel distance of monitoring device 4, thus draw the position of monitoring device 4, coordinate the time parameter obtained from crystal oscillator, thus draw the speed of travel of monitoring device 4.Further the fibre optic gyroscope built-in with monitoring device 4 or magnetic sensor coordinate with accelerometer, can measure and obtain being embedded in dam or the deflection value of the flexible detector tube 2 of dam face slab.
Embodiment 2:
Preferred scheme is as in Fig. 1, on the basis of embodiment 1, described flexible detector tube 2 is in tilted layout, and described winding plant is drive by drive unit the reel 61 rotated, traction rope 3 is connected with the afterbody of monitoring device 4, is connected with weight 5 at the head of monitoring device 4.Winding plant concrete structure is: servomotor 63 is connected with reel 61 by speed reduction unit 65, and speed reduction unit comprises worm reducer, gear reducer and belt reducer, can select one or more combination wherein.Preferably on the axle of reel 61 or speed reduction unit, be also provided with damper 64, in this example, select magnetic-powder-type damper.During use, by the weight 5 of about 5kg and the weight of monitoring device 4 self, make monitoring device 4 along flexible detector tube 2 slide downward, traction rope 3 drives the first guide wheel 7 to rotate, and absolute value optoelectronic encoding device 8 obtains the data of rotating.Travelling speed is fed back to PLC or single-chip microcomputer by absolute value optoelectronic encoding device 8, suitable damping is provided by PLC or Single-chip Controlling damper 64, thus make monitoring device 4 along flexible detector tube 2 uniform descent, the radius of the angle of rotation recorded according to absolute value optoelectronic encoding device 8 and the first guide wheel 7, records stroke and the speed of monitoring device 4.After arriving the bottom of flexible detector tube 2, servomotor 63 starts, traction rope 3 reclaims by reel 61, the data that the travelling speed of servomotor 63 is fed back by absolute value optoelectronic encoding device 8 control, monitoring device 4 is at the uniform velocity promoted, by with upper type, monitoring device 4 obtains flexible detector tube 2 amount of deflection by the conjunction measuring of the fibre optic gyroscope in it or magnetic sensor and accelerometer to be changed.
Embodiment 3:
On the basis of embodiment 1, as in Fig. 2, described winding plant is drive by drive unit the reel 61 rotated, winding plant concrete structure is: servomotor 63 is connected with reel 61 by speed reduction unit 65, speed reduction unit comprises worm reducer, gear reducer and belt reducer, can select one or more combination wherein.Preferably on the axle of reel 61 or speed reduction unit, be also provided with damper 64, in this example, select magnetic-powder-type damper.
Winding plant is two groups, and the traction rope 3 of one group of winding plant is connected with the afterbody of monitoring device 4, is connected after guide wheel 62 at the bottom of the pipe be positioned at bottom flexible detector tube 2 walked around by another traction rope 3 organizing winding plant with the head of monitoring device 4.In preferred scheme, the first described guide wheel 7 should be two groups mutually, to obtain more accurate run-length data.The traction rope walking around guide wheel 62 at the bottom of pipe needs to pass in traction rope pipe 29, in order to avoid sagging traction rope 3 affects the walking of monitoring device 4.During one group of winding plant traction, by absolute value optoelectronic encoding device 8 monitor speed on corresponding first guide wheel 7, the winding plant of another group is then by there being damper 64 to provide suitable damping.During use, first drawn by the winding plant being arranged in Fig. 2 top, monitoring device 4 moves to the left end in Fig. 2, by the FEEDBACK CONTROL speed of travel of the winding plant of top according to absolute value optoelectronic encoding device 8 in moving process.When arriving the left end end of flexible detector tube 2, stop a period of time, then draw by the winding plant of below, the winding plant of top then by there being damper 64 to provide suitable damping, thus realizes the deflection metrology for flexible detector tube 2.
Embodiment 4:
As in Fig. 9 ~ 11 on the basis of embodiment 2 or 3, in described traction rope 3, be provided with power lead 31 and data line 32;
Described data line 32 is connected with the wireless data transmission device 611 rotated along with reel 61;
Described power lead 31 is connected with input power by rotatable power transmitting device.
In described rotatable power transmitting device, at least two transmission of electricity grooves 614 are provided with in fixing transmission of electricity cylinder 613, mutual insulating between transmission of electricity groove 614, be movably installed with transmission of electricity slide block 615 in transmission of electricity groove 614 and formed be electrically connected with between transmission of electricity slide block 615, transmission of electricity slide block 615 is fixedly connected with the transfer panel 612 rotated along with reel 61, and power lead 31 is connected with transmission of electricity slide block 615 respectively by transfer panel 612.Structure thus, realizes the real-time Transmission of measurement data, and hardly by the impact of flexible detector tube 2 length, and be convenient to arrange and data transmission precision high.
Embodiment 5:
On the basis of embodiment 1, preferred scheme is as in Fig. 3, described winding plant is drive by drive unit the driving wheel 1 rotated, servomotor 63 is connected with driving wheel 1 by speed reduction unit, speed reduction unit comprises worm reducer, gear reducer and belt reducer, can select one or more combination wherein.Driving wheel 1 walked around by traction rope 3, and one end of traction rope 3 is connected with the afterbody of monitoring device 4, and the other end of traction rope 3 is connected with the head of monitoring device 4 after walking around guide wheel 62 at the bottom of the pipe be positioned at bottom flexible detector tube 2;
Described first guide wheel 7 activity is installed, and can move along the direction intersected with traction rope 3, and be provided with connecting link 72 with on the axle of the first guide wheel 7, connecting link 72 is connected with nut 74 afterwards through fixed support 75 and spring 73 successively.Structure thus, is beneficial to traction rope 3 tensioning.Thus to guarantee between traction rope and driving wheel 1 not relative sliding.Preferably absolute value optoelectronic encoding device 8 is arranged on driving wheel 1 in this example.
Embodiment 6:
On the basis of embodiment 1 ~ 5, as in Fig. 1 ~ 8, described flexible detector tube 2 is multiple flexible tube couplings 21 be connected to each other, the termination of flexible tube coupling 21 is provided with the flanging 22 of tilting, two flange circles 24 are pressed on the flanging 22 of two flexible tube couplings 21, are bolted between two flange circles 24;
Being provided with the flanging stage 25 for holding flanging 22 in the inner side of flange circle 24, outside the inner ring of flange circle 24, being provided with outer nock 26.Structure thus, guarantees that each flexible tube coupling 21 links together reliably, and connecting portion can not have influence on whole flexible detector tube 2 is out of shape along with the distortion of dam.In this example, flexible tube coupling 21 preferably adopts superhigh molecular weight polyethylene material.The i.e. unbranched linear polyethylene of molecular weight more than 1,500,000.The diameter of flexible detector tube 2 is 200 ~ 299mm.Less diameter is conducive to the distortion better reflecting dam.
Preferred scheme, as in Fig. 2 ~ 3 and 6,7, is provided with O-ring seal 23 between the termination of flexible tube coupling 21, and the inner ring edge of O-ring seal 23 is provided with traction rope pipe suppending hole 27, for holding the traction rope pipe 29 of traction rope 3 through traction rope pipe suppending hole 27.Structure thus, the traction rope pipe 29 of setting is for avoiding the sagging walking affecting monitoring device 4 of traction rope 3.
Preferred scheme is as in Fig. 2 ~ 5, and be also provided with the relaying suspender 28 through flexible tube coupling, relaying suspender 28 is provided with relaying suppending hole 283.Structure thus, avoids the sagging of traction rope pipe 29 self.
By the traction rope pipe 29 that arranges with upper type while realizing self function, the performance of being out of shape along with dam deformation of flexible detector tube 2 can not be had influence on.
Another optional scheme, as in Fig. 8, forms the thicker part in a place at the inwall of flexible tube coupling 21, in the position of heavy wall processing traction cord hole.Structure thus, is convenient to through traction rope.
The above embodiments are only optimal technical scheme of the present utility model, and should not be considered as restriction of the present utility model, and the embodiment in the application and the feature in embodiment, can combination in any mutually when not conflicting.The technical scheme that protection domain of the present utility model should be recorded with claim, the equivalents comprising technical characteristic in the technical scheme of claim record is protection domain.Namely the equivalent replacement within the scope of this improves, also within protection domain of the present utility model.
Claims (10)
1. see the automatic trailer system of inertial navigation monitoring device in dam, it is characterized in that:
Comprise draw-gear (6), be provided with in draw-gear (6) and drive by drive unit the winding plant rotated, winding plant walked around by traction rope (3), and traction rope (3) is connected with the monitoring device (4) of walking along flexible detector tube (2);
Also comprise rotatable first guide wheel (7), the first guide wheel (7) walked around by traction rope (3), cornerite guide wheel (71) is provided with at the forward and backward of the first guide wheel (7), to increase the cornerite of traction rope (3) on the first guide wheel (7), be provided with absolute value optoelectronic encoding device (8) at the first guide wheel (7) or winding plant.
2. see the automatic trailer system of inertial navigation monitoring device in a kind of dam according to claim 1, it is characterized in that: described flexible detector tube (2) is in tilted layout, described winding plant is drive by drive unit the reel (61) rotated, traction rope (3) is connected with the afterbody of monitoring device (4), is connected with weight (5) at the head of monitoring device (4).
3. see the automatic trailer system of inertial navigation monitoring device in a kind of dam according to claim 1, it is characterized in that: described winding plant is drive by drive unit the reel (61) rotated, winding plant is two groups, the traction rope (3) of one group of winding plant is connected with the afterbody of monitoring device (4), and the traction rope (3) of another group winding plant is walked around guide wheel (62) at the bottom of the pipe being positioned at flexible detector tube (2) bottom and is connected with the head of monitoring device (4) afterwards.
4. see the automatic trailer system of inertial navigation monitoring device in a kind of dam according to claim 3, it is characterized in that: described the first guide wheel (7) should be two groups mutually.
5. see the automatic trailer system of inertial navigation monitoring device in a kind of dam according to Claims 2 or 3, it is characterized in that: in described traction rope (3), be provided with power lead (31) and data line (32);
Described data line (32) is connected with the wireless data transmission device (611) rotated along with reel (61);
Described power lead (31) is connected with input power by rotatable power transmitting device.
6. see the automatic trailer system of inertial navigation monitoring device in a kind of dam according to claim 5, it is characterized in that: in described rotatable power transmitting device, at least two transmissions of electricity groove (614) are provided with in fixing transmission of electricity cylinder (613), mutual insulating between transmission of electricity groove (614), be movably installed with transmission of electricity slide block (615) in transmission of electricity groove (614) and be electrically connected with being formed between transmission of electricity slide block (615), transmission of electricity slide block (615) is fixedly connected with the transfer panel (612) rotated along with reel (61), power lead (31) is connected with transmission of electricity slide block (615) respectively by transfer panel (612).
7. see the automatic trailer system of inertial navigation monitoring device in a kind of dam according to claim 1, it is characterized in that: described winding plant is drive by drive unit the driving wheel (1) rotated, driving wheel (1) walked around by traction rope (3), one end of traction rope (3) is connected with the afterbody of monitoring device (4), and the other end of traction rope (3) is walked around guide wheel (62) at the bottom of the pipe being positioned at flexible detector tube (2) bottom and is connected with the head of monitoring device (4) afterwards;
Described the first guide wheel (7) activity is installed, and can move along the direction intersected with traction rope (3), with connecting link (72) is installed on the axle of the first guide wheel (7), connecting link (72) is connected with nut (74) with spring (73) afterwards through fixed support (75) successively.
8. see the automatic trailer system of inertial navigation monitoring device in a kind of dam according to claim 1, it is characterized in that: described flexible detector tube (2) is multiple flexible tube coupling (21) be connected to each other, the termination of flexible tube coupling (21) is provided with the flanging (22) of tilting, two flange circles (24) are pressed on the flanging (22) of two flexible tube couplings (21), are bolted between two flange circles (24);
Being provided with the flanging stage (25) for holding flanging (22) in the inner side of flange circle (24), outside the inner ring of flange circle (24), being provided with outer nock (26).
9. see the automatic trailer system of inertial navigation monitoring device in a kind of dam according to claim 8, it is characterized in that: between the termination of flexible tube coupling (21), be provided with O-ring seal (23), the inner ring edge of O-ring seal (23) is provided with traction rope pipe suppending hole (27), for holding the traction rope pipe (29) of traction rope (3) through traction rope pipe suppending hole (27).
10. see the automatic trailer system of inertial navigation monitoring device in a kind of dam according to claim 8, it is characterized in that: be also provided with the relaying suspender (28) through flexible tube coupling, relaying suspender (28) is provided with relaying suppending hole (283).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520879241.8U CN205067033U (en) | 2015-11-06 | 2015-11-06 | See in dam and be used to lead automatic traction system of monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520879241.8U CN205067033U (en) | 2015-11-06 | 2015-11-06 | See in dam and be used to lead automatic traction system of monitoring devices |
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| Publication Number | Publication Date |
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| CN205067033U true CN205067033U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520879241.8U Expired - Fee Related CN205067033U (en) | 2015-11-06 | 2015-11-06 | See in dam and be used to lead automatic traction system of monitoring devices |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403191A (en) * | 2015-11-06 | 2016-03-16 | 三峡大学 | Dam interior inertial navigation monitoring device automatic traction system |
| CN105675011A (en) * | 2016-03-09 | 2016-06-15 | 上海佳友市政建筑有限公司 | Automatic traction device and method for electric pipeline track measuring instrument |
| CN107036583A (en) * | 2017-06-16 | 2017-08-11 | 上海工程技术大学 | A kind of measurement car monitoring modular for tunnel subsidence monitoring system |
| CN107084703A (en) * | 2017-06-16 | 2017-08-22 | 上海工程技术大学 | A kind of tunnel subsidence monitoring system |
| CN112304274A (en) * | 2020-09-11 | 2021-02-02 | 雅砻江流域水电开发有限公司 | Core wall dam settlement monitoring method based on array type displacement meter |
-
2015
- 2015-11-06 CN CN201520879241.8U patent/CN205067033U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403191A (en) * | 2015-11-06 | 2016-03-16 | 三峡大学 | Dam interior inertial navigation monitoring device automatic traction system |
| CN105403191B (en) * | 2015-11-06 | 2018-01-05 | 三峡大学 | The automatic trailer system of inertial navigation monitoring device is seen in dam |
| CN105675011A (en) * | 2016-03-09 | 2016-06-15 | 上海佳友市政建筑有限公司 | Automatic traction device and method for electric pipeline track measuring instrument |
| CN107036583A (en) * | 2017-06-16 | 2017-08-11 | 上海工程技术大学 | A kind of measurement car monitoring modular for tunnel subsidence monitoring system |
| CN107084703A (en) * | 2017-06-16 | 2017-08-22 | 上海工程技术大学 | A kind of tunnel subsidence monitoring system |
| CN112304274A (en) * | 2020-09-11 | 2021-02-02 | 雅砻江流域水电开发有限公司 | Core wall dam settlement monitoring method based on array type displacement meter |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20161106 |