CN110514128A - A kind of anti-offset tunnel limit for height monitoring device - Google Patents
A kind of anti-offset tunnel limit for height monitoring device Download PDFInfo
- Publication number
- CN110514128A CN110514128A CN201911002897.0A CN201911002897A CN110514128A CN 110514128 A CN110514128 A CN 110514128A CN 201911002897 A CN201911002897 A CN 201911002897A CN 110514128 A CN110514128 A CN 110514128A
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- Prior art keywords
- monitoring
- offset
- touching
- monitoring device
- tunnel
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
Abstract
The present invention provides a kind of anti-offset tunnel limit for height monitoring devices, including mechanism for monitoring and anti-offset mechanism, the mechanism for monitoring is set on the wall face of tunnel entrance, the wall face is equipped with groove, the anti-offset mechanism is set in the groove and connect with mechanism for monitoring, detects whether mechanism for monitoring itself shifts by anti-offset mechanism.Monitoring device of the invention includes mechanism for monitoring and anti-offset mechanism, staff can be prompted by anti-offset mechanism after the position of mechanism for monitoring shifts, staff is reminded to calibrate the position of mechanism for monitoring ontology in time, reduce the erroneous judgement to non-Overheight Vehicles, increases the monitoring precision of the present apparatus.
Description
Technical field
The present invention relates to tunnel limit for height monitoring technical fields, and in particular to a kind of anti-offset tunnel limit for height monitoring device.
Background technique
There is complicated road categories in highway traffic system, as overpass, viaduct, tunnel, arch bridge, underground are logical
Road, across lake channel etc.；Wherein the roads such as tunnel, arch bridge need to limit vehicle certain height, to avoid vehicle is excessively high can not
It is current, so that blocking the traffic, personal accident even occurring；Tunnel traditional at present is identified in inlet port setting limit for height,
And many cart drivers know that the height of car of oneself was inaccurate, can be only through eye estimate pass through；Then it passes through
Often occur just finding that compartment is more than limit for height, brakes had little time at this time, final compartment is stuck in tunnel when vehicle reaches tunnel portal
Entrance, such case seriously block the traffic, while can cause to damage to tunnel, arch bridge and vehicle, can even make when speed is excessively high
At personal injury；And part height limiting zone can be provided with limit for height column in front of entrance, though it is unlikely to that tunnel, arch bridge are caused to hurt
Evil, but the structure on limit for height column is harder, be still vehicle and personnel can be caused to damage, while vehicle be stuck after be difficult to retreat,
Seriously block the traffic.
Application No. is the Chinese utility model patents of CN201620868180.X to disclose a kind of bridge tunnel limit for height test
System, including road surface, controller and warning lamp, the side on road surface are equipped with the first column, and the first column is sent out equipped with first laser
Emitter and second laser transmitter, the other side on road surface are equipped with the second column, the second column be equipped with the first light receiver and
Second light receiver, first laser transmitter issue laser beam and are directed toward the first light receiver, and second laser transmitter issues
Laser beam is directed toward the second light receiver, first laser transmitter, second laser transmitter, the first light receiver and the second light
Line receiver is separately connected controller by conducting wire, and controller connects warning lamp and buzzer, warning lamp and bee by conducting wire
Ring device is fixedly installed on the middle part on tunnel face top.First laser transmitter and second laser transmitter in the patent, they
The angle needs of transmitting laser are flushed with ground always, but while laser emitter and fixed tunnel metope, at its own
Gravity under, it may occur that the offset of the sightless angle of naked eyes, it is high to the layer of the vehicle from distant place traveling to tunnel
It can judge by accident, referring to Fig. 5, bring certain puzzlement to the car owner of the non-superelevation of vehicle.
In conclusion being badly in need of the anti-offset tunnel limit for height monitoring device of one kind to solve problems of the prior art.
Summary of the invention
It is an object of that present invention to provide a kind of anti-offset tunnel limit for height monitoring device, specific technical solution is as follows:
A kind of anti-offset tunnel limit for height monitoring device, including mechanism for monitoring and anti-offset mechanism, the mechanism for monitoring are set to
On the wall face of tunnel entrance, the wall face be equipped with groove, the anti-offset mechanism be set in the groove and with
Mechanism for monitoring connection detects whether mechanism for monitoring itself shifts by anti-offset mechanism；
The anti-offset mechanism includes connecting rod, rotating actuator, touching bar and touching switch, and one end of the connecting rod is living
Dynamic connection mechanism for monitoring, the other end are flexibly connected rotating actuator, and the touching bar is set on rotating actuator, described
Touching switch is arranged in the groove on wall, drives rotating actuator rotation by connecting rod when mechanism for monitoring shifts
Turn, to realize touching bar contact touching switch, prompts mechanism for monitoring to shift by touching switch.
It is preferred in above technical scheme, it further include alert panel, the alert panel connects the touching switch, the touching
Mechanism for monitoring is prompted to shift by text in alert panel or color change after bar contact touching switch.
Preferred in above technical scheme, the rotating actuator includes big shaft, gear wheel, small shaft and small tooth
Wheel, the big shaft are fixedly installed on the groove, and the gear wheel is rotatably set in big shaft, the small shaft
Both ends are rotatably set on the groove, and the pinion gear is fixedly installed in small shaft, the gear wheel and pinion gear it
Between be engaged, the gear wheel is flexibly connected the connecting rod and realizes that connecting rod drives gear wheel rotation, in the pinion gear
Equipped with touching bar, realize that the large gear turn the small gear, small shaft and touching bar rotate together by the engagement between two gears.
Preferred in above technical scheme, the rotating actuator further includes fixed link, the axis side of the fixed link
The axis direction of Xiang Yu great shaft is arranged in parallel, and one end of the fixed link is fixedly installed on the gear wheel, the other end with
The connecting rod is flexibly connected, and realizes that connecting rod drives gear wheel rotation by fixed link.
Preferred in above technical scheme, the quantity of the touching switch is two pieces, and two pieces touching switch is oppositely arranged, institute
It states touching bar to be set between two pieces touching switch, be in contact after touching bar rotation with a wherein touching switch, the touching
The face that bar is contacted with touching switch is equipped with cushion.
Preferred in above technical scheme, the rotating actuator further includes reset spring, the reset spring connection
The small shaft and groove inner wall, which are realized, resets touching bar.
Preferred in above technical scheme, the mechanism for monitoring includes mechanism for monitoring ontology, laser emitter and display
Equipment, the laser emitter and display equipment are all set on mechanism for monitoring ontology, and the laser emitter connection is described aobvious
Show equipment, information of vehicles is shown by the display screen in display equipment.
Preferred in above technical scheme, the mechanism for monitoring further includes the positioning for being set to mechanism for monitoring ontology two sides
Block is bolted between the locating piece and the wall face in tunnel, to realize that mechanism for monitoring is mounted on the exterior wall in tunnel
On face.
Preferred in above technical scheme, the connecting rod is flexibly connected the mechanism for monitoring ontology.
It applies the technical scheme of the present invention, has the advantages that
(1) monitoring device of the invention includes mechanism for monitoring and anti-offset mechanism, can after the position of mechanism for monitoring shifts
To prompt by anti-offset mechanism staff, staff is reminded (mainly to adjust mechanism for monitoring ontology in time
Laser emitter) position calibrated, reduce erroneous judgement to non-Overheight Vehicles, increase the monitoring precision of the present apparatus.
(2) anti-offset mechanism includes connecting rod, rotating actuator, touching bar and touching in monitoring device of the invention
Switch drives rotating actuator to be rotated after mechanism for monitoring offset by connecting rod, realizes that touching bar contacts touching switch,
To prompt staff to be corrected mechanism for monitoring by alert panel, can intuitively be known by alert panel staff
Monitoring device has deviated；The rotating actuator includes gear wheel and pinion gear, passes through gear wheel and pinion fits pair
The displacement of mechanism for monitoring amplifies, so that the subtle offset of mechanism for monitoring can also be detected by anti-offset mechanism,
It prevents from judging vehicle by accident.
(3) monitoring device of the invention touching bar is set between two pieces touching switch, and is opened in touching bar with touching
The face for closing contact is equipped with cushion, and touching bar is set between touching switch, and the touching movement of bar one can touch touching
Touch switch, while after being also prevented from and resetting to mechanism for monitoring, due to touching bar and touching switch there are biggish distances can not
The offset of mechanism for monitoring is fed back into staff by alert panel in time, touching bar, which is located to increase between two touching switch, to be prevented
The accuracy of offsetting mechanism；Setting cushion can play a protective role to touching switch, prolong the service life.
(4) monitoring device of the invention further includes reset spring, and setting reset spring can be with auxiliary monitoring mechanism and anti-bias
Telephone-moving structure is resetted (auxiliary reset), simultaneously because the elastic force of reset spring, can prevent anti-offset mechanism due to shake into
Row error detection can play the role of a tension to mechanism for monitoring, can prevent mechanism for monitoring from occurring to a certain extent inclined
It moves.
(5) mechanism for monitoring in monitoring device of the invention includes that mechanism for monitoring ontology, laser emitter and display are set
It is standby, the information of vehicle can be monitored in real time by laser emitter, by showing that equipment can remind driver vehicle's superelevation, prevent
Only accident occurs.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of monitoring device of the present invention；
Fig. 2 is the structural schematic diagram (under normal circumstances) of anti-offset mechanism in monitoring device of the present invention；
Fig. 3 is the schematic diagram of anti-offset mechanism in monitoring device of the present invention (in the case of shifting)；
Fig. 4 is the operation schematic diagram (under normal circumstances) of monitoring device of the present invention；
Fig. 5 is the operation schematic diagram of monitoring device of the present invention (in the case of shifting)；
Wherein, 1, tunnel, 2, mechanism for monitoring ontology, 3, laser emitter, 4, locating piece, 5, bolt, 6, display equipment, 7, display
Screen, 8, alert panel, 9, connecting rod, 10, big shaft, 11, fixed link, 12, gear wheel, 13, small shaft, 14, reset spring, 15,
Pinion gear, 16, touching bar, 17, touching switch.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited according to claim
Fixed and covering multitude of different ways is implemented.
Embodiment 1:
Referring to Fig. 1-5, a kind of anti-offset tunnel limit for height monitoring device, including mechanism for monitoring and anti-offset mechanism, the monitoring
Mechanism is set on the wall face of 1 inlet of tunnel, and the wall face is equipped with groove, and the anti-offset mechanism is set to described
It is connect in groove and with mechanism for monitoring, detects whether mechanism for monitoring itself shifts by anti-offset mechanism.
The anti-offset mechanism includes connecting rod 9, rotating actuator, touching bar 16 and touching switch 17, the connection
One end of bar 9 is flexibly connected mechanism for monitoring, and the other end is flexibly connected rotating actuator, and the touching bar 16 is set to rotation and passes
On motivation structure, the touching switch 17 is arranged in the groove on wall, is driven when mechanism for monitoring shifts by connecting rod 9
Rotating actuator rotation prompts mechanism for monitoring hair by touching switch 17 to realize that touching bar 16 contacts touching switch 17
Raw offset.
The anti-offset mechanism further includes alert panel 8, and the alert panel 8 connects the touching switch 17, the touching bar
It is shifted after 16 contact touching switch 17 by text in alert panel 8 or color change prompt mechanism for monitoring, the touching
Alert panel sends out a warning either using written form prompting staff after bar 16 contacts touching switch 17, shows referring to Fig. 3, Fig. 3
Mechanism for monitoring of having anticipated is prompted after shifting by anti-offset mechanism.
The rotating actuator includes big shaft 10, gear wheel 12, small shaft 13 and pinion gear 15, the big shaft 10
It is fixedly installed on the groove, the gear wheel 12 is rotatably set in big shaft 10, and the both ends of the small shaft 13 can
It is rotatably dispose on the groove, the pinion gear 15 is fixedly installed in small shaft 13, the gear wheel 12 and pinion gear 15
Between be engaged, the gear wheel 12 is flexibly connected the connecting rod 9 and realizes that connecting rod 9 drives gear wheel 12 to rotate, described
Pinion gear 15 is equipped with touching bar 16, realizes that gear wheel 12 drives pinion gear 15, small shaft 13 by the engagement between two gears
It is rotated together with touching bar 16.
The surface of the gear wheel and pinion gear is coated with gear lubricant, reduces rubbing between gear wheel and pinion gear
It wipes, is increasing the sensitivity being driven between gear wheel and pinion gear to a certain degree, making mechanism for monitoring position that subtle difference occur
Not, the signal of its positional shift can be transmitted by the transmission effect of gear wheel and pinion gear.
Wherein, the number of teeth of pinion gear: the number of teeth=1:5 of gear wheel is realized by pinion gear and gear wheel by mechanism for monitoring
Displacement amplifies, and small displacement also is able to detect out by realization.
The groove is oppositely arranged two turn troughs, and the both ends of small shaft are respectively arranged in the turn trough, the turn trough and
Bearing can be set between small shaft, reduce the friction between turn trough and small shaft；It can be set between gear wheel and big shaft
Bearing realizes that gear wheel rotates in big shaft.
The rotating actuator further includes fixed link 11, the axis of the axis direction of the fixed link 11 and big shaft 10
Direction is arranged in parallel, and one end of the fixed link 11 is fixedly installed on the gear wheel 12, and the other end and the connecting rod 9 are living
Dynamic connection realizes that connecting rod 9 drives gear wheel 12 to rotate by fixed link 11.
Monitoring device of the invention is to drive anti-offset mechanism kinematic by the self weight of mechanism for monitoring, to realize prompting work
Make monitored by personnel mechanism to shift.
The quantity of the touching switch 17 is two pieces, and two pieces touching switch 17 is oppositely arranged, and the touching bar 16 is set to
Between two pieces touching switch 17, touching bar 16 is in contact after rotating with a wherein touching switch, the touching bar 16 and touching
The face that switch 17 contacts is equipped with cushion.
The rotating actuator further includes reset spring 14, and the reset spring 14 connects the small shaft 13 and groove
Turn trough on inner wall, which is realized to reset touching bar 16, (carries out auxiliary reset, reset spring band after manual correction mechanism for monitoring
It moves small shaft to reset).Preferably, the reset spring 14 is scroll spring, described small turn of reset spring connection in the present embodiment
Axis and turn trough.
The mechanism for monitoring includes mechanism for monitoring ontology 2, laser emitter 3 and display equipment 6, the laser emitter
3 are all set on mechanism for monitoring ontology 2 with display equipment 6, and the laser emitter 3 connects the display equipment 6, passes through display
Display screen 7 in equipment 6 shows information of vehicles.
The specific structure and working method of the mechanism for monitoring can refer to existing tunnel limit for height mechanism for monitoring, this reality
It applies in example and is not described further.
The mechanism for monitoring further includes the locating piece 4 for being set to 2 two sides of mechanism for monitoring ontology, the locating piece 4 and tunnel 1
Wall face between connected by bolt 5, to realize that mechanism for monitoring is mounted on the wall face in tunnel 1.
The connecting rod 9 is flexibly connected the mechanism for monitoring ontology 2, and referring to fig. 2, the mechanism for monitoring ontology 2 is set vertically
It sets, the connecting rod 9 is flexibly connected the top of the mechanism for monitoring ontology, and setting in this way can pass through mechanism for monitoring ontology pair
The displacement of mechanism for monitoring can be carried out amplification.
Referring to fig. 2, the alert panel is set in the display equipment 6.
Using the technical solution of the present embodiment, specifically:
Monitoring device of the invention is set on the wall face in tunnel, limit for height detection can be carried out to vehicle, referring to fig. 4；
Mechanism for monitoring will lead to after shifting carries out erroneous detection to vehicle, and referring to Fig. 5, at this time the alert panel of monitoring device can be sent out
It reminds out, staff is prompted to be corrected mechanism for monitoring；After staff is corrected mechanism for monitoring, alert panel is restored
Normal condition, monitoring device can continue to work normally.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of anti-offset tunnel limit for height monitoring device, which is characterized in that including mechanism for monitoring and anti-offset mechanism, the prison
It surveys mechanism to be set on the wall face of tunnel (1) inlet, the wall face is equipped with groove, and the anti-offset mechanism is set to
It is connect in the groove and with mechanism for monitoring, detects whether mechanism for monitoring itself shifts by anti-offset mechanism；
The anti-offset mechanism includes connecting rod (9), rotating actuator, touching bar (16) and touching switch (17), the company
One end of extension bar (9) is flexibly connected mechanism for monitoring, and the other end is flexibly connected rotating actuator, and the touching bar (16) is set to
On rotating actuator, the touching switch (17) is arranged in the groove on wall, passes through company when mechanism for monitoring shifts
Extension bar (9) drives rotating actuator rotation to pass through touching switch to realize touching bar (16) contact touching switch (17)
(17) prompt mechanism for monitoring shifts.
2. anti-offset tunnel limit for height monitoring device according to claim 1, which is characterized in that it further include alert panel (8),
The alert panel (8) connects the touching switch (17), passes through alert panel after touching bar (16) contact touching switch (17)
(8) text or color change prompt mechanism for monitoring on shift.
3. anti-offset tunnel limit for height monitoring device according to claim 2, which is characterized in that the rotating actuator
Including big shaft (10), gear wheel (12), small shaft (13) and pinion gear (15), the big shaft (10) is fixedly installed on described
On groove, the gear wheel (12) is rotatably set on big shaft (10), and the both ends of the small shaft (13) are rotatably arranged
In on the groove, the pinion gear (15) is fixedly installed on small shaft (13), the gear wheel (12) and pinion gear (15)
Between be engaged, the gear wheel (12) is flexibly connected the connecting rod (9) and realizes that connecting rod (9) drive gear wheel (12) rotation
Turn, the pinion gear (15) is equipped with touching bar (16), realizes that gear wheel (12) drive small tooth by the engagement between two gears
Wheel (15), small shaft (13) and touching bar (16) rotate together.
4. anti-offset tunnel limit for height monitoring device according to claim 3, which is characterized in that the rotating actuator
It further include fixed link (11), the axis direction of the fixed link (11) and the axis direction of big shaft (10) are arranged in parallel, described
One end of fixed link (11) is fixedly installed on the gear wheel (12), and the other end is flexibly connected with the connecting rod (9), is passed through
Fixed link (11) realizes that connecting rod (9) drive gear wheel (12) rotation.
5. anti-offset tunnel limit for height monitoring device according to claim 3, which is characterized in that the touching switch (17)
Quantity be two pieces, two pieces touching switch (17) is oppositely arranged, the touching bar (16) be set to two pieces touching switch (17) it
Between, it is in contact after touching bar (16) rotation with a wherein touching switch (17), the touching bar (16) and touching switch (17)
The face of contact is equipped with cushion.
6. anti-offset tunnel limit for height monitoring device according to claim 5, which is characterized in that the rotating actuator
It further include reset spring (14), the reset spring (14) connects the small shaft (13) and groove inner wall is realized to touching bar
(16) it is resetted.
7. tunnel limit for height monitoring device anti-offset described in any one of -6 according to claim 1, which is characterized in that described
Mechanism for monitoring include mechanism for monitoring ontology (2), laser emitter (3) and display equipment (6), the laser emitter (3) and
Display equipment (6) is all set on mechanism for monitoring ontology (2), and the laser emitter (3) connects the display equipment (6), is led to
The display screen (7) crossed on display equipment (6) shows information of vehicles.
8. anti-offset tunnel limit for height monitoring device according to claim 7, which is characterized in that the mechanism for monitoring also wraps
The locating piece (4) for being set to mechanism for monitoring ontology (2) two sides is included, is passed through between the locating piece (4) and the wall face of tunnel (1)
Bolt (5) connection, to realize that mechanism for monitoring is mounted on the wall face of tunnel (1).
9. anti-offset tunnel limit for height monitoring device according to claim 8, which is characterized in that the connecting rod (9) is living
The dynamic connection mechanism for monitoring ontology (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911002897.0A CN110514128B (en) | 2019-10-22 | 2019-10-22 | Anti-deviation tunnel height limiting monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911002897.0A CN110514128B (en) | 2019-10-22 | 2019-10-22 | Anti-deviation tunnel height limiting monitoring device |
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| Publication Number | Publication Date |
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| CN110514128A true CN110514128A (en) | 2019-11-29 |
| CN110514128B CN110514128B (en) | 2020-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911002897.0A Active CN110514128B (en) | 2019-10-22 | 2019-10-22 | Anti-deviation tunnel height limiting monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111917069A (en) * | 2020-07-31 | 2020-11-10 | 杭州成昌网络科技有限公司 | Computer network winding displacement auxiliary device and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2339947A (en) * | 1998-06-29 | 2000-02-09 | Walter Johnston Halkerston | Warning that a vehicle is too high |
| CN201770305U (en) * | 2010-08-27 | 2011-03-23 | 常州市武进矿用设备厂 | Highly-efficient belt deviation sensor |
| CN105334550A (en) * | 2014-08-14 | 2016-02-17 | 滕州市飞天激光自动化技术有限公司 | Automatic laser seeking calibration device |
| CN208689751U (en) * | 2018-09-28 | 2019-04-02 | 齐鲁交通发展集团有限公司潍坊分公司 | Overheight Vehicles detect early warning system |
-
2019
- 2019-10-22 CN CN201911002897.0A patent/CN110514128B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2339947A (en) * | 1998-06-29 | 2000-02-09 | Walter Johnston Halkerston | Warning that a vehicle is too high |
| CN201770305U (en) * | 2010-08-27 | 2011-03-23 | 常州市武进矿用设备厂 | Highly-efficient belt deviation sensor |
| CN105334550A (en) * | 2014-08-14 | 2016-02-17 | 滕州市飞天激光自动化技术有限公司 | Automatic laser seeking calibration device |
| CN208689751U (en) * | 2018-09-28 | 2019-04-02 | 齐鲁交通发展集团有限公司潍坊分公司 | Overheight Vehicles detect early warning system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111917069A (en) * | 2020-07-31 | 2020-11-10 | 杭州成昌网络科技有限公司 | Computer network winding displacement auxiliary device and application thereof |
| CN111917069B (en) * | 2020-07-31 | 2021-11-05 | 天津市高速公路科技发展有限公司 | Computer network winding displacement auxiliary device and application thereof |
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| Publication number | Publication date |
|---|---|
| CN110514128B (en) | 2020-03-10 |
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Address after: 410200 No. 168, Second Section of Yanhe Road, Wangcheng Economic and Technological Development Zone, Changsha City, Hunan Province Applicant after: Hunan Lianzhi Technology Co.,Ltd. Address before: 410019 Yanhe Road, Wangcheng District, Changsha, Hunan Province, No. 168 Applicant before: Hunan Lianzhi Bridge and Tunnel Technology Co.,Ltd. |
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Denomination of invention: An anti deviation tunnel height limit monitoring device Effective date of registration: 20230613 Granted publication date: 20200310 Pledgee: Agricultural Bank of China Limited Changsha Wangcheng District sub branch Pledgor: Hunan Lianzhi Technology Co.,Ltd. Registration number: Y2023980043732 |
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