CN106013251A - Municipal novel well lid protective device - Google Patents
Municipal novel well lid protective device Download PDFInfo
- Publication number
- CN106013251A CN106013251A CN201610515801.0A CN201610515801A CN106013251A CN 106013251 A CN106013251 A CN 106013251A CN 201610515801 A CN201610515801 A CN 201610515801A CN 106013251 A CN106013251 A CN 106013251A
- Authority
- CN
- China
- Prior art keywords
- well lid
- cage
- electrically connected
- manhole cover
- municipal administration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1427—Locking devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1463—Hinged connection of cover to frame
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1481—Security devices, e.g. indicating unauthorised opening
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention relates to the technical field of municipal underground engineering inspection well ground equipment, in particular to a municipal novel well lid protective device. The municipal novel well lid protective device comprises a lid seat fixed to a road, a well lid hinged to the lid seat, an illumination unit, a self-locking unit and a monitoring warning unit, wherein the illumination unit, the self-locking unit and the monitoring warning unit are arranged on the well lid and/or the lid seat; the illumination unit comprises an induction illumination lamp arranged at the bottom of the well lid, a solar substrate arranged at the top of the well lid, solar cells arranged on the solar substrate, a storage battery arranged in the well lid and electrically connected with the solar cells, and an inverter arranged in the well lid, wherein one end of the inverter is electrically connected with the storage battery, and the other end of the inverter is electrically connected with the induction illumination lamp. The municipal novel well lid protective device can be opened and closed automatically, can keep in a closed state when a worker enters a deep well for operation and does not affect car running and operation by the worker.
Description
Technical field
The present invention relates to municipal administration underground engineering inspection shaft ground installation technical field, particularly relate to a kind of municipal administration new pattern manhole cover preventer.
Background technology
Well lid is used for hiding road deep-well, prevents pedestrian or vehicle from accidentally falling into and causing danger.Existing well lid, when staff enters heavy duty service, is generally in open mode.When staff's operation in deep-well for a long time, the well lid opened can affect the advance of vehicle and pedestrian, the most even can cause vehicle accident, be absolutely unsafe.
The patent of Publication No. CN204435452U discloses a kind of waterproof anti-corrosion manhole cover system, including manhole cover system and well head system, manhole cover system is connected with well head system, manhole cover system includes well lid protective layer, well lid presses structure, outside securing rod, inside lock fixed pole and lock support plate, well lid protective layer presses structure with well lid and is connected, outside securing rod and inside lock fixed pole are oppositely arranged on well lid compressing structure edge, lock support plate is connected with outside securing rod, manhole cover system is connected with well head system with inside lock fixed pole by outside securing rod, this structure serves certain waterproof anti-corrosion effect, when but staff enters deep-well effect, need to make well lid be constantly in open mode, have impact on the advance of vehicle and pedestrian.
Summary of the invention
The present invention is directed to the problem that prior art exists, it is proposed that new pattern manhole cover preventer is used in a kind of municipal administration, it is possible to automatically switchs, can also remain off when there being staff to enter heavy duty service, do not affect vehicle and travel and staff's operation.
The technical solution adopted for the present invention to solve the technical problems is: a kind of municipal administration new pattern manhole cover preventer, including the cage fixing with road, the well lid hinged with described cage, and it is arranged on the lighting unit on described well lid and/or described cage, from lock unit and monitoring alarm unit；
Described lighting unit includes being arranged on the inductive lighting lamp bottom described well lid, it is arranged on the solar base plate at described well lid top, it is arranged on the solar battery sheet on described solar base plate, be arranged on inside described well lid and accumulator that described solar battery sheet is electrically connected with, and be arranged on inside described well lid, one end and described accumulator are electrically connected with, the other end is electrically connected with described inductive lighting lamp inverter；
Described include some rotation kellies from lock unit, some it is arranged on described well lid outer circumferential sides, the containing cavity of described rotation kelly can be accommodated, some be arranged on described cage inner circumferential side, allow described rotation kelly to rotate into and with the draw-in groove of described rotation kelly clamping, connect the active connection one of described rotation kelly and described containing cavity, connect the active connection two of described cage and described well lid, the controller being electrically connected with described active connection one and described active connection two, and the key of described controller is installed；
Described monitoring alarm unit includes the some flexible probe being arranged on described cage top, is arranged on bottom described well lid, controls the button of described flexible probe switch, and shows the display lamp of described flexible probe monitors result.
The well lid of the present invention can be by its switch of hand-held key controller, it is simple to staff passes in and out deep-well；Well lid can be closed after entering deep-well by staff, does not therefore interfere with the advance of vehicle and pedestrian during staff's operation, and well lid is provided with lighting unit, does not interferes with staff's operation；After staff fulfils assignment, the monitoring alarm unit on well lid preventer can be first passed through and observe well lid external circumstances, in the case of not having traffic to pass through, open well lid out, do not interfere with normal vehicle operation.
As preferably, described draw-in groove includes rigid sidewalls and the elastic sidewall contacted with described rotation kelly；Described elastic sidewall is provided with the round and smooth limited block to described rigid sidewalls lateral process；Described card trench bottom is provided with magnetic adsorption layer, and described magnetic adsorption layer surface is provided with and can cover described magnetic adsorption layer and can move in described magnetic adsorption layer, by described rotation kelly and the separate section of described magnetic adsorption layer.
As preferably, described section includes with described draw-in groove is close to the first side wall and second sidewall relative with described the first side wall；Described second sidewall includes the parallel surface parallel with described the first side wall, with while be connected with described the first side wall avris, inclined plane that another side is connected with described parallel surface avris, described inclined plane and described the first side wall constitute the crop of described rotation kelly Yu described draw-in groove base cuts.
As preferably, described active connection one includes the rotating shaft one being arranged in described containing cavity and the micro-driving motor one being electrically connected with described rotating shaft one, and described rotating shaft one is fixing with described rotation kelly and described rotation kelly can be driven to pass in and out described containing cavity；Described active connection two includes connecting described well lid one end and the rotating shaft two of described cage one end and the micro-driving motor two being electrically connected with described rotating shaft two, and described rotating shaft two is fixing with described well lid 2 and can drive described well lid and described cage folding.
As preferably, described monitoring alarm unit also includes the voice prompting device being arranged on described cage top.
As preferably, described monitoring alarm unit also includes the flashing warning light being arranged on described cage top.
As preferably, described voice prompting device and/or described flashing warning light and/or described flexible probe are arranged in the protective trough that described cage surface is offered.
As preferably, described protective trough is spill cell body, it is provided with as described voice prompting device or described flashing warning light or the power socket of described flexible probe power supply bottom described cell body, described cell body sidewall has the through hole passed for the electric wire connecting described power socket and described inverter.
As preferably, described protective trough opening part is provided with and is positioned at same level and the transparent protective cover being electrically connected with described button, can moving horizontally with described cage top.
As preferably, bottom described well lid, it is additionally provided with handle.
The invention has the beneficial effects as follows, 1, staff enter heavy duty service time, well lid can close, do not affect traffic travel；2, well lid is provided with lighting unit, and the well lid that closes does not interferes with staff's operation；3, well lid is provided with monitoring alarm unit, in the case of not having traffic, just can open well lid near determining, security performance is high；4, lighting unit is by solar powered, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention a kind of municipal administration new pattern manhole cover preventer；
Wherein: 1, cage, 11, flexible probe, 12, button, 13, display lamp, 14, voice prompting device, 15, flashing warning light, 2, well lid, 21, inductive lighting lamp, 3, rotate kelly, 31, containing cavity, 32, draw-in groove, 4, handle.
Detailed description of the invention
Further illustrate technical scheme below in conjunction with the accompanying drawings and by detailed description of the invention.
As it is shown in figure 1, new pattern manhole cover preventer is used in a kind of municipal administration, including the cage 1 fixing with road, the well lid 2 hinged with described cage 1, and it is arranged on the lighting unit on described well lid 2 and/or described cage 1, from lock unit and monitoring alarm unit.Cage 1 includes two parts, and a part is arranged on inside road, in order to fix with road；Another part is exposed at road surface, is used for installing well lid 2 and arranging monitoring alarm unit.Owing to cage 1 securely fixes with road, well lid 2 is hinged with cage 1 again, therefore, the stolen phenomenon of well lid 2 does not occur.
Staff is entering after deep-well, in order to not affect the normal traveling of vehicle and pedestrian, can help staff's normal operation by lighting unit afterwards on well lid is 2-in-1 by 2-in-1 for well lid.Described lighting unit includes being arranged on the inductive lighting lamp 21 bottom described well lid 2, it is arranged on the solar base plate at described well lid 2 top, it is arranged on the solar battery sheet on described solar base plate, it is arranged on the accumulator that the internal and described solar battery sheet of described well lid 2 is electrically connected with, and is arranged on described well lid 2 inside, one end and the inverter that described accumulator is electrically connected with, the other end is electrically connected with described inductive lighting lamp 21.Lighting unit by solar battery sheet by storage of solar energy in accumulator for inductive lighting lamp 21, inductive lighting lamp 21 can also be according to the strong and weak regulating illumination intensity of light, energy-conservation environmental protection again.
Staff can be by controlling the switch of well lid 1 from lock unit.Described include some rotation kellies 3 from lock unit, some it is arranged on described well lid 2 outer circumferential sides, the containing cavity 31 of described rotation kelly 3 can be accommodated, some be arranged on described cage 1 inner circumferential side, allow described rotation kelly 3 to rotate into and with the draw-in groove 32 of described rotation kelly 3 clamping, connect the active connection one of described rotation kelly 3 and described containing cavity 31, connect the active connection two of described cage 1 and described well lid 2, the controller being electrically connected with described active connection one and described active connection two, and the key of described controller is installed.When staff wants to open well lid 1, first press hand-held on the key drive button, make controller send a signal to be flexibly connected one and active connection two.After active connection one receives the signal that drives a well, rotation kelly 3 is screwed out to fully entering containing cavity 31 from draw-in groove 32；After active connection two receives the signal that drives a well, well lid 1 is dug from cage 2, it is achieved that automatically opening up of well lid 1.When staff wants to close well lid 1, first press hand-held pass button on the key, make controller send a signal to be flexibly connected one and active connection two.After active connection two receives pass log signal, well lid 1 is turned down from cage 2；After active connection one receives pass log signal, rotations kelly 3 is rotated to entering draw-in groove 32 from containing cavity 31, and with draw-in groove 32 clamping, it is achieved that automatically closing of well lid 1.
Wherein, described draw-in groove 32 includes rigid sidewalls and the elastic sidewall contacted with described rotation kelly 3；Described elastic sidewall is provided with the round and smooth limited block to described rigid sidewalls lateral process；Being provided with magnetic adsorption layer bottom described draw-in groove 32, described magnetic adsorption layer surface is provided with and can cover described magnetic adsorption layer and can move in described magnetic adsorption layer, by described rotation kelly 3 and the separate section of described magnetic adsorption layer.Described section includes with described draw-in groove 32 is close to the first side wall and second sidewall relative with described the first side wall；Described second sidewall includes the parallel surface parallel with described the first side wall, with while be connected with described the first side wall avris, inclined plane that another side is connected with described parallel surface avris, described inclined plane and described the first side wall constitute the crop of described rotation kelly 3 with described draw-in groove 32 base cuts.
It is additionally provided with handle 4 bottom described well lid 2, after staff enters deep-well, can be by handle 4 manually by 2-in-1 for well lid, it is possible to by key, well lid 2 is closed automatically.When staff intends well, monitoring alarm unit can be first passed through and observe well lid 2 external circumstances, in the case of road safety, open well lid 2 again.Described monitoring alarm unit includes the some flexible probe 11 being arranged on described cage 1 top, is arranged on bottom described well lid 2, controls the button 12 of described flexible probe 11 switch, and shows the display lamp 13 of described flexible probe 11 monitoring result.Staff first presses the button 12 when preparing and opening well lid 2, and button 12 sends a signal to flexible probe 11, and flexible probe 11 is protruding to monitor surrounding, and sends a signal to display lamp 13.When external environment condition is safe, display lamp 13 is green, and when there are vehicles or pedestrians outside through out-of-date, display lamp 13 is red.
Described monitoring alarm unit also includes voice prompting device 14 and the flashing warning light 15 being arranged on described cage 1 top, informs that surrounding vehicles and pedestrian, well lid 2 will be opened by voice and flashing lamp, please avoid well lid 2 and detour.Described voice prompting device 14 and/or described flashing warning light 15 and/or described flexible probe 11 are arranged in the protective trough that described cage 1 surface is offered.Described protective trough is spill cell body, it is provided with as described voice prompting device 14 or described flashing warning light 15 or the power socket of described flexible probe 11 power supply bottom described cell body, described cell body sidewall has the through hole passed for the electric wire connecting described power socket and described inverter.Inside grooves can be mounted directly voice prompting device 14 or flashing warning light 15 or flexible probe 11, it is not necessary to the most additionally arranges power supply.Described protective trough opening part is provided with and is positioned at same level and the transparent protective cover being electrically connected with described button 12, can moving horizontally with described cage 1 top.Voice prompting device 14, flashing warning light 15 and flexible probe 11 are placed in the protective trough with protective cover, protect voice prompting device 14, flashing warning light 15 and flexible probe 11, extend their service life.When button 12 is pressed, protective cover can automatically open up, and when well lid 2 closes again, protective cover can be automatically switched off.
Described well lid 2 is positioned at described solar base plate top and is provided with transparent resistance to compression shell.Described cage 1 and described well lid internal 2 are provided with supporting steel rib.Making well lid 2 structure more firm by resistance to compression shell and supporting steel rib, compressive property is more preferable, and service life is longer.
Embodiment described above is only to be described the preferred embodiment of the present invention, is not defined the spirit and scope of the present invention.On the premise of without departing from design concept of the present invention; various modification that technical scheme is made by this area ordinary person and improvement; protection scope of the present invention all should be dropped into, the technology contents that the present invention is claimed, all record in detail in the claims.
Claims (10)
1. new pattern manhole cover preventer is used in a municipal administration, it is characterized in that: include the cage (1) fixing with road, the well lid (2) hinged with described cage (1), and it is arranged on the lighting unit on described well lid (2) and/or described cage (1), from lock unit and monitoring alarm unit；
Described lighting unit includes the inductive lighting lamp (21) being arranged on described well lid (2) bottom, it is arranged on the solar base plate at described well lid (2) top, it is arranged on the solar battery sheet on described solar base plate, it is arranged on the accumulator that the internal and described solar battery sheet of described well lid (2) is electrically connected with, and is arranged on described well lid (2) inside, one end and the inverter that described accumulator is electrically connected with, the other end is electrically connected with described inductive lighting lamp (21)；
Described include some rotation kellies (3) from lock unit, some it is arranged on described well lid (2) outer circumferential sides, the containing cavity (31) of described rotation kelly (3) can be accommodated, some it is arranged on described cage (1) inner circumferential side, described rotation kelly (3) is allowed to rotate into, and with the draw-in groove (32) of described rotation kelly (3) clamping, connect described rotation kelly (3) and the active connection one of described containing cavity (31), connect the active connection two of described cage (1) and described well lid (2), the controller being electrically connected with described active connection one and described active connection two, and the key of described controller is installed；
Described monitoring alarm unit includes the some flexible probe (11) being arranged on described cage (1) top, it is arranged on described well lid (2) bottom, controls the button (12) that described flexible probe (11) switchs, and show the display lamp (13) of described flexible probe (11) monitoring result.
A kind of municipal administration new pattern manhole cover preventer the most according to claim 1, it is characterised in that: described draw-in groove (32) includes rigid sidewalls and the elastic sidewall contacted with described rotation kelly (3)；Described elastic sidewall is provided with the round and smooth limited block to described rigid sidewalls lateral process；Described draw-in groove (32) bottom is provided with magnetic adsorption layer, and described magnetic adsorption layer surface is provided with and can cover described magnetic adsorption layer and can move in described magnetic adsorption layer, by described rotation kelly (3) and the separate section of described magnetic adsorption layer.
A kind of municipal administration new pattern manhole cover preventer the most according to claim 1, it is characterised in that: described section includes with described draw-in groove (32) is close to the first side wall and second sidewall relative with described the first side wall；Described second sidewall includes the parallel surface parallel with described the first side wall, with while be connected with described the first side wall avris, inclined plane that another side is connected with described parallel surface avris, described inclined plane and described the first side wall constitute the crop of described rotation kelly (3) Yu described draw-in groove (32) base cuts.
A kind of municipal administration new pattern manhole cover preventer the most according to claim 1, it is characterized in that: described active connection one includes the micro-driving motor one being arranged on the rotating shaft one in described containing cavity (31) and being electrically connected with described rotating shaft one, described rotating shaft one is fixing with described rotation kelly (3) and described rotation kelly (3) can be driven to pass in and out described containing cavity (31)；Described active connection two includes connecting described well lid (2) one end and the rotating shaft two of described cage (1) one end and the micro-driving motor two being electrically connected with described rotating shaft two, and described rotating shaft two is fixing with described well lid 2 and can drive described well lid (2) and described cage (1) folding.
A kind of municipal administration new pattern manhole cover preventer the most according to claim 1, it is characterised in that: described monitoring alarm unit also includes the voice prompting device (14) being arranged on described cage (1) top.
A kind of municipal administration new pattern manhole cover preventer the most according to claim 1, it is characterised in that: described monitoring alarm unit also includes the flashing warning light (15) being arranged on described cage (1) top.
7. use new pattern manhole cover preventer according to a kind of municipal administration described in claim 1 or 5 or 6, it is characterised in that: described voice prompting device (14) and/or described flashing warning light (15) and/or described flexible probe (11) are arranged in the protective trough that described cage (1) surface is offered.
A kind of municipal administration new pattern manhole cover preventer the most according to claim 7, it is characterized in that: described protective trough is spill cell body, it is provided with the power socket powered for described voice prompting device (14) or described flashing warning light (15) or described flexible probe (11) bottom described cell body, described cell body sidewall has the through hole passed for the electric wire connecting described power socket and described inverter.
9. use new pattern manhole cover preventer according to a kind of municipal administration described in claim 7 or 8, it is characterised in that: described protective trough opening part is provided with and is positioned at same level and the transparent protective cover being electrically connected with described button (12), can moving horizontally with described cage (1) top.
A kind of municipal administration new pattern manhole cover preventer the most according to claim 1, it is characterised in that: described well lid (2) bottom is additionally provided with handle (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610515801.0A CN106013251B (en) | 2016-07-04 | 2016-07-04 | Well lid protector is used in a kind of municipal administration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610515801.0A CN106013251B (en) | 2016-07-04 | 2016-07-04 | Well lid protector is used in a kind of municipal administration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106013251A true CN106013251A (en) | 2016-10-12 |
| CN106013251B CN106013251B (en) | 2018-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610515801.0A Active CN106013251B (en) | 2016-07-04 | 2016-07-04 | Well lid protector is used in a kind of municipal administration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106013251B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836305A (en) * | 2017-03-28 | 2017-06-13 | 章俊 | The antitheft anti-blocking well lid of labyrinth type that a kind of municipal works are used |
| CN108071125A (en) * | 2018-02-01 | 2018-05-25 | 国网上海市电力公司 | A kind of intelligent wireless manhole lid device |
| CN108532638A (en) * | 2018-05-17 | 2018-09-14 | 湖南天联城市数控有限公司 | A kind of borehole wall installing type well lid intelligent monitoring locking device |
| CN110581478A (en) * | 2019-08-22 | 2019-12-17 | 广东电网有限责任公司 | New-type cable trench cover with automatic illumination function |
| CN111827360A (en) * | 2020-06-15 | 2020-10-27 | 彭丽辉 | Well lid mounting structure for municipal drainage with self-locking function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2654695Y (en) * | 2003-10-15 | 2004-11-10 | 刘雅杰 | Self locking type manhole cover |
| KR20090103288A (en) * | 2008-03-28 | 2009-10-01 | (주)앰앤지케스텍 | Locking apparatus for manhole |
| CN203412004U (en) * | 2013-07-26 | 2014-01-29 | 崔辉 | Double-layer six-point self-locking-type safe anti-theft well lid |
| CN203684286U (en) * | 2013-12-23 | 2014-07-02 | 侯谦民 | Well lid position reminding device |
| CN205894108U (en) * | 2016-07-04 | 2017-01-18 | 湖州好山好水园林工程有限公司 | Municipal administration is with novel well lid protector |
-
2016
- 2016-07-04 CN CN201610515801.0A patent/CN106013251B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2654695Y (en) * | 2003-10-15 | 2004-11-10 | 刘雅杰 | Self locking type manhole cover |
| KR20090103288A (en) * | 2008-03-28 | 2009-10-01 | (주)앰앤지케스텍 | Locking apparatus for manhole |
| CN203412004U (en) * | 2013-07-26 | 2014-01-29 | 崔辉 | Double-layer six-point self-locking-type safe anti-theft well lid |
| CN203684286U (en) * | 2013-12-23 | 2014-07-02 | 侯谦民 | Well lid position reminding device |
| CN205894108U (en) * | 2016-07-04 | 2017-01-18 | 湖州好山好水园林工程有限公司 | Municipal administration is with novel well lid protector |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836305A (en) * | 2017-03-28 | 2017-06-13 | 章俊 | The antitheft anti-blocking well lid of labyrinth type that a kind of municipal works are used |
| CN108071125A (en) * | 2018-02-01 | 2018-05-25 | 国网上海市电力公司 | A kind of intelligent wireless manhole lid device |
| CN108532638A (en) * | 2018-05-17 | 2018-09-14 | 湖南天联城市数控有限公司 | A kind of borehole wall installing type well lid intelligent monitoring locking device |
| CN110581478A (en) * | 2019-08-22 | 2019-12-17 | 广东电网有限责任公司 | New-type cable trench cover with automatic illumination function |
| CN111827360A (en) * | 2020-06-15 | 2020-10-27 | 彭丽辉 | Well lid mounting structure for municipal drainage with self-locking function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106013251B (en) | 2018-01-12 |
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