CN207260195U - A kind of rotary well cover for sewer - Google Patents
A kind of rotary well cover for sewer Download PDFInfo
- Publication number
- CN207260195U CN207260195U CN201720901362.7U CN201720901362U CN207260195U CN 207260195 U CN207260195 U CN 207260195U CN 201720901362 U CN201720901362 U CN 201720901362U CN 207260195 U CN207260195 U CN 207260195U
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- Prior art keywords
- well lid
- sewer
- well
- cover
- shaft
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Abstract
The utility model discloses a kind of rotary well cover for sewer, including triggering lifting gear, the first well lid, the second well lid, rotating device, triggering lifting gear is equipped with below first well lid, the first well lid vertical direction is equipped with the second well lid, first well lid is latticed, the triggering lifting gear can realize the lifting of the first well lid and the second well lid in vertical direction, and the rotating device can realize the second well lid rotary motion.Manhole cover assembly keeps flushing with road surface under present apparatus original state, when the sensor being installed on inside trigger device, which detects, has continuous rain signal in sewer, electromagnetic switch powers off, triggering lifting gear jacks up well lid, after well lid is by jack-up certain altitude, rotating device drives the second well lid to rotate by a certain angle to realize the automatic opening of rainstorm weather well lid, first well lid can stop that debris is entered sewer, the amount of labour of municipal personnel can be mitigated, avoided since the unlatching of well lid is injured caused by vehicular traffic.
Description
Technical field
The present invention relates to well cover for sewer to belong to urban operating mechanism field, especially a kind of lower water opened using rotating device
Road well lid.
Background technology
With further speeding up for urbanization process, public utility development is rapid.Municipal administration, electric power, communication etc.
Department has a large amount of municipal equipment, assets to need to manage.Wherein well lid becomes very important one.Such as continuous rainwater day
Gas, city some areas cause the ponding of large area since ponding cannot discharge in time, while a large amount of municipal refuses are with rainwater stream
Enter sewer, cause sewer blockage, influence the drain function of sewer, now most of city will be installed in outer by artificial
Well lid is moved so as to increase municipal drainage amount, avoids urban waterlogging from producing, but since urban inner well lid quantity is huge more, it is additional
Open manhole cover workload is huge, cause municipal officer cannot timely open manhole cover, when often result in the generation of urban waterlogging.
Secondly, some well cover for sewer are installed on city hypsography low-lying area, are running into heavy showers period, are often occurring
Sewer fills water, causes sewer inside water pressure excessive, and water, which pours in down a chimney to road, hydraulic pressure, to be washed from sewer by well lid, make often
Fall sewer into pedestrian and vehicle, cause certain loss of personal property.
Although the regulatory requirement of well lid is very clearly, due to city manhole cover substantial amounts, administrative department is in short-term
It is interior to ensure that all urban inner well lids all move completely, and well head is exposed after the mobile lid that drives a well, easily to horse
Pedestrian or vehicle on road are shone into accidental loss or injury.
The content of the invention
Technical problem
The technical problems to be solved in the utility model is to propose a kind of well cover for sewer, which can realize rainstorm weather
The discharge of ponding is realized in the automatic opening of well lid, prevents pedestrian's vehicle from falling into sewer, while can mitigate municipal personnel's
The amount of labour.
Technical solution
In order to solve above-mentioned technical problem, propose that a kind of well cover for sewer includes triggering lifting dress in the utility model
Put, the first well lid, the second well lid, rotating device, first well lid is equipped with bossy body, and the bossy body is embedded in lower water
Road, first well lid lower section are equipped with triggering lifting gear, and the triggering lifting gear is fixedly arranged on sewer by base,
The first well lid vertical direction is equipped with the second well lid, and second well lid is connected to rotating device by shaft coupling,
The rotating device is fixedly arranged on below the first well lid by bolt, and the triggering lifting gear can realize the first well lid and the
The lifting of two well lids in vertical direction, the rotating device can realize the second well lid rotary motion.
Further, for first well lid by bossy body, guide sleeve mounting base, connecting rod, the bossy body is circle
Ring-type, the bossy body by equipped with collar flange be embedded in sewer, is equipped with some connections in the bossy body ring
Bar, certain gap is stayed between the connecting rod, and first well lid is latticed.
Further, the triggering lifting gear is arranged on below the first well lid, and the triggering lifting gear is the bottom of by
Seat, the first electromagnetic switch, the first spring, the first waterproof cover, tripper, lifting shaft；Tripper is by the second electromagnetic switch,
Two springs, tapered wedges composition, the base are fixedly arranged on sewer, and the base upper surface is installed with the first electromagnetic switch,
First electromagnetic switch is fixed on the first lower spring end face, and first spring is compressible spring, and described first
The upper surface of spring is fixed on lifting shaft lower face, and the lifting shaft is that Step Shaft is multi-diameter shaft, the lifting shaft upper end
Face is fixedly arranged on below the first well lid, and the lifting shaft is equipped with sloping platform terrace, and the sloping platform terrace is equipped with oblique with tapered wedges
Face is engaged, and the sloping platform terrace, which is engaged bevel angle with inclined-plane, can realize self-locking between the two, the tapered wedges
Second spring is fixed on, the second spring other end is fixed on the second electromagnetic switch, and second electromagnetic switch is consolidated
It is connected on the first waterproof cover internal face, first waterproof cover is fixedly arranged on base, the sloping platform terrace that the lifting shaft is equipped with
Periphery is equipped with multigroup tripper.
Further, it can be achieved that the self-locking of lifting shaft when the sloping platform terrace is in contact with inclined-plane, when described oblique
When step surface is separated with inclined-plane, lifting shaft is discharged, makes lifting shaft in the unlocked state.
Further, second well lid is along the circumferential direction evenly distributed with four reinforcement blocks, and the distribution of the second well lid is multiple to overflow
Discharge orifice, the transmission shaft mounting hole that second well lid is equipped with, second well lid are connected to rotating device by shaft coupling.
Further, the rotating device is by signal control device, the second waterproof cover, connecting plate, guide sleeve, dust-proof
Lid, transmission shaft, sealing ring, shaft coupling, micromachine, sensor, power supply；Second waterproof cover is fixedly arranged on described by connecting plate
First well lid lower face, the micromachine is installed with second waterproof cover, and the micromachine passes through shaft coupling
Device is fixed at transmission shaft lower end, and the transmission shaft upper end is connected by bolt is connected to the transmission shaft installation that the second well lid is equipped with
Hole, transmission shaft fixing bolt top are equipped with dustproof cover, and transmission shaft is equipped with guide sleeve, the letter through the first well lid
Number control device is fixedly arranged on the inside of the second waterproof cover, and the signal control device is connected to sensor by signal wire, institute
The sensor stated is connected to power supply, and the power supply is connected to micromachine.
Further, first well lid installation overlapping with the second well lid vertical direction, first well lid with
Second well lid is identical, and is all circular, polygon and irregular polygon.
Further, whether the sensor has continuous rain signal by receiving, the first electromagnetic switch of control,
The work of second electromagnetic switch, the sensor are used for the receiving and transmission of signal, and the power supply is micromachine, first
Electromagnetic switch provides power source with the second electromagnetic switch.
Beneficial effect
Compared with prior art, a kind of well cover for sewer has the beneficial effect that in the present invention：Using twin-well lid overlapping device,
Realize automatic open-close of the well lid in rainwater weather, drain function of the increase sewer in rainwater weather, reduces city well
The management intensity of lid, reduces administration fee to a certain extent.And under the second well lid opening, the position of the first well lid does not have
Have movement, can stop that debris is entered sewer, causes sewer blockage, avoid manually mobile well lid to pedestrian and motor vehicle
The injury brought.
Brief description of the drawings
Fig. 1 is the well cover for sewer cross-sectional view of embodiment in the present invention；
Fig. 2 is the overall structure top view of embodiment well cover for sewer in the present invention；
Fig. 3 is the A-A cross-sectional views under embodiment well cover for sewer working status in the present invention；
Fig. 4 is the B-B cross-sectional views under embodiment well cover for sewer working status in the present invention；
Fig. 5 is the first manhole cover structure schematic diagram in embodiment well cover for sewer in the present invention；
Top view when Fig. 6 is the working status in embodiment well cover for sewer in the present invention.
In figure：1st, sewer；2nd, lifting gear is triggered；3rd, the first well lid；4th, the second well lid；5th, rotating device；201st, bottom
Seat；202nd, the first electromagnetic switch；203rd, the first spring；204th, the first waterproof cover；205th, the second electromagnetic switch；206th, the second bullet
Spring；207th, tapered wedges；208th, lifting shaft；209th, sloping platform terrace；210th, inclined-plane；211st, tripper；301st, connecting rod；302nd, lead
Cover mounting base；303rd, bossy body；304th, gap；305th, collar flange；401 reinforcement blocks；402nd, spout hole；403rd, transmission shaft is installed
Hole；501st, signal control device；502nd, the second waterproof cover；503rd, connecting plate；504th, guide sleeve；505th, dustproof cover；506th, transmission shaft；
507th, sealing ring；508th, shaft coupling；509th, micromachine；510th, sensor；511st, power supply.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and detailed description：
Well cover for sewer as shown in attached drawing 1,4 includes triggering lifting gear 2, the first well lid 3, the second well lid 4, rotating dress
Put 5；First well lid 3 is equipped with bossy body 303, and the bossy body 303 is embedded in sewer 1, first well lid 3
Lower section is equipped with triggering lifting gear 2, and the triggering lifting gear 2 is fixedly arranged on sewer 1 by base 201, and described first
3 vertical direction of well lid is equipped with the second well lid 4, and second well lid 4 is connected to rotating device 5 by shaft coupling 508, described
Rotating device 5 lower section of first well lid 3 is fixedly arranged on by bolt, the triggering lifting gear 2 can realize the first well lid 3 and the
The lifting of two well lids 4 in vertical direction, the rotating device 5 can realize 4 rotary motion of the second well lid.
Wherein, as shown in figure 5, first well lid 3 is by bossy body 303, guide sleeve mounting base 302, connecting rod 301, institute
The bossy body 303 stated is annular shape, the bossy body 303 by equipped with collar flange 305 be embedded in sewer 1, it is described
303 ring of bossy body in be equipped with some connecting rods 301, stay certain gap 304 between the connecting rod 301.
Wherein, the connecting rod 301 is fixed on bossy body 303 by welding, and multiple 301 weldings of connecting rod are
Latticed, the sewer 1 is equipped with and 303 matched groove of bossy body.
Wherein, the triggering lifting gear 2 is arranged on the lower section of the first well lid 3, and the triggering lifting gear 2 is by base
201st, the first electromagnetic switch 202, the first spring 203, the first waterproof cover 204, tripper 211, lifting shaft 208；Tripper
211 are made of the second electromagnetic switch 205, second spring 206, tapered wedges 207, and the base 201 is fixedly arranged on sewer 1, institute
201 upper surface of base stated is installed with the first electromagnetic switch 202, and first electromagnetic switch 202 is fixed on the first spring 203
Lower face, first spring 203 are compressible spring, and the upper surface of first spring 203 is fixed on lifting shaft 208
Lower face, the lifting shaft 208 are that Step Shaft is multi-diameter shaft, and 208 upper surface of lifting shaft is fixedly arranged under the first well lid 3
Side, the lifting shaft 208 are equipped with sloping platform terrace 209,210 phase of inclined-plane that the sloping platform terrace 209 is equipped with tapered wedges 207
Coordinate, the sloping platform terrace 209 can realize self-locking between the two, the tapered wedges with the cooperation bevel angle of inclined-plane 210
207 are fixed on second spring 206, and 206 other end of second spring is fixed on the second electromagnetic switch 205, and described
Two electromagnetic switch 205 are fixed on 204 internal face of the first waterproof cover, and first waterproof cover 204 is fixedly arranged on base 201, institute
209 periphery of sloping platform terrace that the lifting shaft 208 stated is equipped with is equipped with multigroup tripper 211.
Wherein, first spring 203, second spring 206 are compression spring, its elastic force is more than the first well lid 3 and the
The required climbing power of two well lids, 4 movement in vertical direction.
Wherein, first electromagnetic switch 202 and the second electromagnetic switch 205 are connected to signal control device 501, sensing
Device 510.
Wherein, second well lid 4 is along the circumferential direction evenly distributed with four reinforcement blocks 401, and the second well lid 4 is distributed multiple overflows
Hole 402, the transmission shaft mounting hole 403 that second well lid 4 is equipped with, second well lid 4 are connected to by shaft coupling 508
Rotating device 5, the transmission shaft mounting hole 403 are arranged at reinforcement block 401.
Wherein, first well lid 3, the second well lid 4 have enough intensity, it is sufficient to bear pedestrian and vehicle
Weight.
Wherein, three triggering lifting gears 2 and a rotating device are equipped with the reinforcement block 401 employed in the present embodiment
5。
Wherein, the rotating device 5 is by signal control device 501, the second waterproof cover 502, connecting plate 503, guide sleeve
504th, dustproof cover 505, transmission shaft 506, sealing ring 507, shaft coupling 508, micromachine 509, sensor 510, power supply 511；The
Two waterproof covers 502 are fixedly arranged on 3 lower face of the first well lid by connecting plate 503, fixed in second waterproof cover 502
There is the micromachine 509, the micromachine 509 is fixed at 506 lower end of transmission shaft by shaft coupling 508, described
506 upper end of transmission shaft be connected by bolt and be connected to the transmission shaft mounting hole 403 that the second well lid 4 is equipped with, the transmission shaft 506
Dustproof cover 505, the guide sleeve 504 being equipped with through the first well lid 3 of transmission shaft 506, the signal are equipped with the top of fixing bolt
Control device 501 is fixedly arranged on the inside of the second waterproof cover 502, and the signal control device 501 is connected to biography by signal wire
Sensor 510, the sensor 510 are connected to power supply 511, and the power supply 511 is connected to micromachine 509.
Wherein, first well lid 3 installation overlapping with 4 vertical direction of the second well lid, first well lid 3 and second
Well lid 4 is identical, and is all circular, polygon and irregular polygon.
Wherein, whether the sensor 510 has continuous rain signal by receiving, the first electromagnetic switch 202 of control,
The work of second electromagnetic switch 205, the sensor 510 are used for the receiving and transmission of signal, and the power supply 511 is miniature
Motor 509, the first electromagnetic switch 202 and the second electromagnetic switch 205 provide power source.
As shown in Figure 1,3, when sensor 510 is not detected by continuous rain signal, the first electromagnetic switch 202 is set at this time
The first spring 203 having is in compressive state, and the second spring 206 that the second electromagnetic switch 205 is equipped with is in elongation state, described
Tapered wedges 207 be in contact with the inclined-plane 210 that lifting shaft 208 is equipped with, lifting shaft 208 is in self-locking state, the liter at this time
Drop 208 and first well lid 3 of axis to be connected, first well lid 3 is in self-locking state.
Wherein, when the sensor 510 detects lower continuous rain signal, signal control device 501 is to the first electromagnetism
202 and second electromagnetic switch 205 of switch sends control signal, and the first spring 203 that the first electromagnetic switch 202 is equipped with is in elongation
State, the second spring 206 that the second electromagnetic switch 205 is equipped with are in compressive state, the tapered wedges 207 and lifting shaft 208
The inclined-plane 210 being equipped with is separated, and lifting shaft 208 is in the unlocked state at this time, and the first well lid 3 and the second well lid 4 are relative to lower water
Road 1 rises to height set in advance.
Wherein, when the first well lid 3 and the second well lid 4 rise to height set in advance relative to sewer 1, signal control
One working signal of transmission for the micromachine 509 that device 501 processed is equipped with to rotating device 5, micromachine 509 drive the second well lid
4 rotate by a certain angle, and realize the unlatching of the second well lid 4.
The operation principle of well lid in the present invention is illustrated with reference to attached drawing 1 ~ 6：
The triggering lifting gear 2, the first well lid 3, the second well lid 4, rotating device 5 are assembled according to attached drawing 1, first
The first spring 203 that electromagnetic switch 202 is equipped with is in compressive state, and the second spring 206 that the second electromagnetic switch 205 is equipped with is in
Elongation state, makes the second well lid 4 be flushed with road surface, and pedestrian can steadily be run on well lid.
When running into continuous rainwater weather, the sensor 510 that rotating device 5 is internally provided with detects continuous rain signal,
Sensor 510 is given to the first electromagnetic switch 202 and the second electromagnetic switch 205 and sends control signal, and the first electromagnetic switch 202 is equipped with
The first spring 203 be in elongation state, the second spring 206 that the second electromagnetic switch 205 is equipped with is in compressive state, described
The inclined-plane 210 that tapered wedges 207 are equipped with lifting shaft 208 is separated, and lifting shaft 208 is in the unlocked state at this time, the first well lid 3 with
Second well lid 4 rises to height set in advance relative to sewer 1.
As shown in Figure 6, when the first well lid 3 and the second well lid 4 rise to height set in advance relative to sewer 1,
One working signal of transmission for the micromachine 509 that signal control device 501 is equipped with to rotating device 5, micromachine 509 drive the
Two well lids 4 rotate by a certain angle, and realize the unlatching of the second well lid 4.Surface gathered water is flowed from the first well lid 3 equipped with gap 304 at this time
Entering sewer 1, quickly exclude surface gathered water, pavement garbage and foul are blocked by the connecting rod 301 that the first well lid 3 is equipped with,
Reduce rubbish and enter sewer 1, effectively prevent sewer 1 and block.When vehicle or pedestrian are by the top of the first well lid 3
When, ensure vehicular traffic and the safety of pedestrian.
When surface gathered water drains, sensor 510 fails to detect rainwater continuous signal, signal control device 501 at this time
One working signal of transmission for the micromachine 509 being equipped with to rotating device 5, micromachine 509 drive the second well lid 4 to rotate necessarily
Angle, makes the second well lid 4 move to directly over the first well lid 3；When the second well lid 4 moves to initial station, signal control dress
Put 501 and send control signal working signal to the first electromagnetic switch 202 and the second electromagnetic switch 205, the first well lid 3 is transported downwards
It is dynamic, recover initial station.
Claims (6)
1. a kind of well cover for sewer includes triggering lifting gear（2）, the first well lid（3）, the second well lid（4）, rotating device（5）,
First well lid（3）Equipped with bossy body（303）, the bossy body（303）It is embedded in sewer（1）, described first
Well lid（3）Lower section is equipped with triggering lifting gear（2）, the triggering lifting gear（2）Pass through base（201）It is fixedly arranged on sewer
（1）, first well lid（3）Vertical direction is equipped with the second well lid（4）, second well lid（4）Pass through shaft coupling
（508）It is connected to rotating device（5）, the rotating device（5）First well lid is fixedly arranged on by bolt（3）Lower section, it is described
Trigger lifting gear（2）The first well lid can be achieved（3）With the second well lid（4）Lifting in vertical direction, the rotating dress
Put（5）The second well lid can be achieved（4）Rotary motion.
2. well cover for sewer as claimed in claim 1, it is characterised in that：First well lid（3）By bossy body（303）、
Guide sleeve mounting base（302）, connecting rod (301), the bossy body（303）For annular shape, the bossy body（303）By setting
Some collar flanges（305）It is embedded in sewer（1）, the bossy body（303）Some connecting rods (301), institute are equipped with ring
Certain gap is stayed between the connecting rod (301) stated（304）.
3. well cover for sewer as claimed in claim 1, it is characterised in that：The triggering lifting gear（2）Arranged on the first well
Lid（3）Lower section, the triggering lifting gear（2）By base（201）, the first electromagnetic switch（202）, the first spring（203）,
One waterproof cover（204）, tripper（211）, lifting shaft（208）；Tripper（211）By the second electromagnetic switch（205）, second
Spring（206）, tapered wedges（207）Composition, the base（201）It is fixedly arranged on sewer（1）, the base（201）Upper end
Face is installed with the first electromagnetic switch（202）, first electromagnetic switch（202）It is fixed on the first spring（203）Lower face, institute
The first spring stated（203）For compressible spring, first spring（203）Upper surface be fixed on lifting shaft（208）Under
End face, the lifting shaft（208）For multi-diameter shaft, the lifting shaft（208）Upper surface is fixedly arranged on the first well lid（3）Lower section,
The lifting shaft（208）Equipped with sloping platform terrace（209）, the sloping platform terrace（209）With tapered wedges（207）The inclined-plane being equipped with
（210）It is engaged, the sloping platform terrace（209）With inclined-plane（210）Cooperation bevel angle can realize self-locking between the two, institute
The tapered wedges stated（207）It is fixed on second spring（206）, the second spring（206）Other end is fixed on the second electromagnetism
Switch（205）, second electromagnetic switch（205）It is fixed on the first waterproof cover（204）On internal face, first waterproof
Cover（204）It is fixedly arranged on base（201）, the lifting shaft（208）The sloping platform terrace being equipped with（209）Periphery is equipped with multigroup unlock and fills
Put（211）.
4. well cover for sewer as claimed in claim 1, it is characterised in that：Second well lid（4）It is along the circumferential direction uniformly distributed
Four reinforcement blocks（401）, the second well lid（4）It is distributed multiple spout holes（402）, second well lid（4）The transmission shaft being equipped with
Mounting hole（403）, second well lid（4）Pass through shaft coupling（508）It is connected to rotating device（5）.
5. well cover for sewer as claimed in claim 1, it is characterised in that：The rotating device（5）By signal control device
（501）, the second waterproof cover（502）, connecting plate（503）, guide sleeve（504）, dustproof cover（505）, transmission shaft（506）, sealing ring
（507）, shaft coupling（508）, micromachine（509）, sensor（510）, power supply（511）；Second waterproof cover（502）Pass through connection
Plate（503）It is fixedly arranged on first well lid（3）Lower face, second waterproof cover（502）It is miniature described in being inside installed with
Motor（509）, the micromachine（509）Pass through shaft coupling（508）It is fixed on transmission shaft（506）At lower end, the biography
Moving axis（506）Upper end is connected by bolt is connected to the second well lid（4）The transmission shaft mounting hole being equipped with（403）, the transmission shaft
（506）Dustproof cover is equipped with the top of fixing bolt（505）, transmission shaft（506）Through the first well lid（3）Equipped with guide sleeve（504）,
The signal control device（501）It is fixedly arranged on the second waterproof cover（502）Inside, the signal control device（501）It is logical
Cross signal wire and be connected to sensor（510）, the sensor（510）It is connected to power supply（511）, the power supply（511）Even
It is connected to micromachine（509）.
6. well cover for sewer as claimed in claim 1, it is characterised in that：First well lid（3）With the second well lid（4）Hang down
Nogata is to overlapping installation, first well lid（3）With the second well lid（4）It is identical, and be all circular, polygon and irregular more
Side shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720901362.7U CN207260195U (en) | 2017-07-24 | 2017-07-24 | A kind of rotary well cover for sewer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720901362.7U CN207260195U (en) | 2017-07-24 | 2017-07-24 | A kind of rotary well cover for sewer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207260195U true CN207260195U (en) | 2018-04-20 |
Family
ID=61927267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720901362.7U Expired - Fee Related CN207260195U (en) | 2017-07-24 | 2017-07-24 | A kind of rotary well cover for sewer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207260195U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597244A (en) * | 2018-04-26 | 2018-09-28 | 上海海事大学 | A kind of communications and transportation signal lamp device and method lifting principle based on voussoir |
| CN109056828A (en) * | 2018-08-23 | 2018-12-21 | 夏文峰 | A kind of rotary type block-resistant plug inspection well cover |
| CN109976210A (en) * | 2019-03-11 | 2019-07-05 | 南京工程学院 | A kind of city intelligent drainage arrangement |
| CN110004986A (en) * | 2019-03-12 | 2019-07-12 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队 | Automatic well lid device for rotary digging of toxic solid waste of volatile matter contained in mine |
| CN112031113A (en) * | 2020-09-16 | 2020-12-04 | 太仓万利信息科技有限公司 | Bury automatic drainage accuse dirty system of rotatory guide type down based on wisdom city |
-
2017
- 2017-07-24 CN CN201720901362.7U patent/CN207260195U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597244A (en) * | 2018-04-26 | 2018-09-28 | 上海海事大学 | A kind of communications and transportation signal lamp device and method lifting principle based on voussoir |
| CN109056828A (en) * | 2018-08-23 | 2018-12-21 | 夏文峰 | A kind of rotary type block-resistant plug inspection well cover |
| CN109056828B (en) * | 2018-08-23 | 2020-05-12 | 河北华兴电讯器材有限公司 | Rotary anti-blocking inspection well cover |
| CN109976210A (en) * | 2019-03-11 | 2019-07-05 | 南京工程学院 | A kind of city intelligent drainage arrangement |
| CN110004986A (en) * | 2019-03-12 | 2019-07-12 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队 | Automatic well lid device for rotary digging of toxic solid waste of volatile matter contained in mine |
| CN112031113A (en) * | 2020-09-16 | 2020-12-04 | 太仓万利信息科技有限公司 | Bury automatic drainage accuse dirty system of rotatory guide type down based on wisdom city |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181101 Address after: 330013 No. 99, Beishan Road, Nanshan steel, Qingshan Lake, Nanchang, Jiangxi Patentee after: Guo Lei Address before: 332007 Jiujiang Vocational and Technical College, 1188 ten li Avenue, Mount Lu District, Jiangxi, Jiujiang Vocational and Technical College Patentee before: Cao Bingxin |
|
| 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: 20180420 Termination date: 20190724 |