CN107419753A - A kind of new security protection intelligent well cover - Google Patents
A kind of new security protection intelligent well cover Download PDFInfo
- Publication number
- CN107419753A CN107419753A CN201710690162.6A CN201710690162A CN107419753A CN 107419753 A CN107419753 A CN 107419753A CN 201710690162 A CN201710690162 A CN 201710690162A CN 107419753 A CN107419753 A CN 107419753A
- Authority
- CN
- China
- Prior art keywords
- manhole cover
- plate
- hydraulic
- security protection
- new security
- 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.)
- Pending
Links
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
-
- 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
- E02D29/1418—Covers for manholes or the like; Frames for covers with implements to assist in lifting, e.g. counterweights, springs
-
- 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
- E02D29/1454—Non-circular covers, e.g. hexagonal, elliptic
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/022—Installations or systems with accumulators used as an emergency power source, e.g. in case of pump failure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
Abstract
The invention discloses a kind of new security protection intelligent well cover, including Manhole cover assembly, guiding mechanism, hydraulic system, control system and safety protection component, hydraulic system with control system control connection, hydraulic system and the guiding mechanism drive connection on Manhole cover assembly are installed in Manhole cover assembly；Guiding mechanism includes the fixed plate for being fixedly mounted on homonymy inside well seat, and the movable plate being hinged with the bottom side of manhole cover plate, the guide rod being provided at both ends with vertically downward of movable plate, the linear bearing of matching corresponding with guide rod is provided with fixed plate, guide rod lower end is sleeved in linear bearing；Hydraulic stem is connected between fixed plate and the center of movable plate.The present invention solves the problems such as opening inconvenience, well lid poor sealing, can not realizing intelligentized control method and press scarce capacity.
Description
Technical field
The present invention relates to town road infrastructure technique field, and in particular to a kind of new security protection intelligent well cover.
Background technology
Pipe gallery is the guarantee city that the various utilities pipelines such as electric power, communication, combustion gas, heat supply, plumbing are integrated in one
The important infrastructure of city's operation, it is underground urban duct synthesis corridor.It can not only greatly facilitate electric power, communication, combustion gas and
The maintenance and maintenance of the urban operating mechanisms such as plumbing.Because China is independently embedded by various pipelines, pipe gallery construction is than later.
Many defects in the design of pipe gallery intelligent well cover also be present, such as open inconvenience, well lid poor sealing, intellectuality can not be realized
Control, bearing capacity deficiency etc..
The content of the invention
It is an object of the invention to provide a kind of new security protection intelligent well cover, to solve to open inconvenience, well lid poor sealing, no
The problems such as intelligentized control method and pressure scarce capacity can be realized.
The present invention is achieved in that a kind of new security protection intelligent well cover, including Manhole cover assembly, guiding mechanism, hydraulic pressure system
System, control system and safety protection component, the hydraulic system with control system control connection, institute are installed in the Manhole cover assembly
State hydraulic system and the guiding mechanism drive connection on Manhole cover assembly；The Manhole cover assembly includes manhole cover plate and well
Seat, the guiding mechanism include the fixed plate for being fixedly mounted on homonymy inside well seat, and the bottom side phase with manhole cover plate
Be hinged movable plate, to be arranged in parallel, the movable plate is provided at both ends with leading vertically downward for the fixed plate and movable plate
To bar, the linear bearing of matching corresponding with guide rod is provided with the fixed plate, the guide rod lower end is sleeved on straight line
In bearing, and both ends are set with guide pin bushing；Hydraulic stem, the hydraulic stem are connected between the fixed plate and the center of movable plate
Fixing end be arranged in fixed plate, the movable end of the hydraulic stem is arranged on movable plate, and being provided with the movable plate can
Adjust the adjustable ejector rod of height；Chain is provided with by chain earrings on rear side of the both ends of the fixed plate, the chain it is another
One end is connected with the chain earrings on rear side of manhole cover plate both ends；The inner side of the well seat is provided with and guide rod phase by installation sheet
Corresponding travel switch, the movable plate are provided with proximity switch close to the place of manhole cover plate, the travel switch and close to opening
Pass is connected with control system respectively；The safety protection component includes the electric switch that diffuses being arranged on guiding mechanism,
And the infrared emission grating for being arranged on well seat or so inner top side being connected with the electric switch that diffuses, the infrared emission
Grating is connected with control system；The hydraulic system is connected and installed with accumulator.
Further, the hydraulic stem is two-way cylinder.
Further, the rim under surface of the manhole cover plate is provided with sealing, and the edge upper surface of the well seat is set
There is the lower sealing with the corresponding matching of upper sealing.
Further, the bottom side of the manhole cover plate is provided with shaft seating, is provided with the movable plate and rotating shaft
The rotating stand of the corresponding matching of bearing, the shaft seating are hinged with rotating stand by rotating shaft.
Further, the hydraulic system includes the fuel tank being arranged in control cabinet, motor pump, oil filter, control valve
Group and valve block, by being connected with oil pipe with fuel tank, the oil filter is connected the motor pump by oil pipe with control valve group,
Control valve group is connected by hydraulic tube with valve block, and the valve block is connected by hydraulic tube with hydraulic stem and intercommunicating pore；It is described
Set-up of control system is in control cabinet.
Further, intercommunicating pore is provided with the manhole cover plate, handle, the connection are provided with the inside of the manhole cover plate
Manual-operated emergent is provided with hole and opens oil connection, the oil connection is built-in to be blocked, peripheral hardware anti-frost protection cap, the oil connection
Connected by hydraulic tube with hydraulic system.
Further, the control system is connected with remote control, the remote control and wireless remote control or remote terminal
Carry out remote control connection.
Further, the upper sealing and lower sealing are silicone sealing strip.
Further, it is 75 ° that the well lid, which opens maximum angle, oil cylinder traveled distance L=236mm.
The accumulator of setting, because hydraulic system executive component is intermitten, the working time is extremely short, can be by hydraulic system
Pressure oil store；When pump breaks down or has a power failure, accumulator can make back-up power source and complete necessary operation.
Control system is provided with travel switch and proximity switch, when well lid, which is opened, arrives maximum position, triggers proximity switch, electricity
Machine drive system stops, and state, which is in, opens；When well lid is closed, guide rod triggering travel switch, motor movement stops, state
In closing.
Technical requirements：
1st, the size after the processing of this part and form and position tolerance should meet JB/T5000.9-1998<<Machining part general technology bar
Part>>Regulation；
2nd, moving assembly and fixation kit meet to consider that post welding distortion does not influence design size, it is necessary to correct technological design,
Reference plane deviations from planarity≤0.05mm/m, perpendicularity deviation≤0.05mm/m；
3rd, weld seam should be uniform, attractive in appearance, must not there is the defects of obvious crackle, stomata, slag inclusion, undercut；
4th, it should be polished before painting, surface smooth and beautiful appearance, must not have solder joint, burr etc., putty reparation is played at butt weld and is put down
It is whole, smooth；
5th, surface primer spray and each twice of finish paint, it is every to treat that one side parches between and can just spray next time；
6th, paint layer from surface should be uniform, must not there is current mark, holiday and depainting.
The invention has the advantages that
1. being provided with control system and the hydraulic system in addition to valve block in control cabinet, movable plate specified location sets one to connect
Nearly switch, it is welded with suspension frock side corresponding with guide rod for controlling the ascending motion of well lid, on the inside of well seat and is provided with
One lower stroke switch, for controlling the decline process of well lid, travel switch is connected by electric wire with control system；
2. the button being connected with hydraulic system is additionally provided with control system, will pass through control cabinet open manhole cover plate, Yi Jiyuan
Process control device, as Special remote-controller can realize wireless remote control, or pass through the remote terminal such as computer or mobile phone A pp and carry out
Remote control；
3. the movable plate of guiding mechanism is provided with adjustable ejector rod, can effectively adjust compactness between manhole cover plate and well seat and
Tightness between well lid and ground；
4. being provided with proximity switch between manhole cover plate and movable plate, this position sensor can coordinate control well with corresponding metal trigger
The opening of lid is monitored, and travel switch coordinates the closed mode of control well lid with guide rod；
5. being provided with insertion intercommunicating pore on well lid, intercommunicating pore connects through hydraulic tube with hydraulic system, obtains the staff of authority
Management control can be implemented to intelligent well cover by accumulator or external hydraulic means, detected in well lid closing process people or
Article come in and go out when, phase down act and retracted well lid immediately, avoid personnel crush or article damage；There is unexpected, such as end
Point or electromagnetic device trouble light situation, when causing well lid to be opened and closed, can pass through well by accumulator or using other hydraulic pumps
Intercommunicating pore on cover plate carrys out open manhole cover；
6. the online management of Municipal Infrastructure Management department and daily management and the dimension of repair and maintenance pipe gallery can be greatly facilitated
Shield problem, effectively prevent piping lane installations and facilities by it is artificial open, damage, ensured town road infrastructure security and steady
It is qualitative；
7. it can realize to a variety of opening and closings such as the automatically controlling of inspection shaft, scene remote control and manual-operated emergent control, long-distance intelligent management
Mode, have safe, antitheft, tamper-proof and be easy to manage；It is simple with mounting process, it is versatile, facilitate librarian use etc.
Feature；The security protection intelligent well cover of the present invention can carry out system pressurize in any position, ensure operating personnel's safety.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the front-view schematic diagram when present invention opens；
Fig. 3 is the left view schematic diagram when present invention opens；
Fig. 4 is the schematic top plan view of the present invention；
Fig. 5 is the internal structure schematic diagram of control cabinet of the present invention.
In accompanying drawing：11st, manhole cover plate, 12, well seat, 13, intercommunicating pore, 14, handle, 111, rotating shaft, 112, shaft seating, 113,
Rotating stand, 121, upper sealing, 122, lower sealing, 123, infrared emission grating, 2, guiding mechanism, 21, fixed plate, 22, mobile
Plate, 211, chain earrings, 212, chain, 221, guide rod, 222, guide pin bushing, 223, linear bearing, 3, hydraulic system, 31, hydraulic pressure
Pipe, 32, accumulator, 33, hydraulic stem, 34, adjustable ejector rod, 311, motor pump, 312, fuel tank, 313, oil filter, 314, control
Valve group processed, 4, control system, 41, control cabinet, 42, diffuse electric switch, 43, travel switch, 44, proximity switch.
Embodiment
The embodiment of the present invention is described in further detail with reference to embodiment：
As shown in Figures 1 to 5, a kind of new security protection intelligent well cover, including Manhole cover assembly, guiding mechanism 2, hydraulic system 3, control
System 4 and safety protection component, the hydraulic system 3 with the control connection of control system 4, hydraulic system 3 are installed in Manhole cover assembly
With the drive connection of guiding mechanism 2 on Manhole cover assembly；Manhole cover assembly includes manhole cover plate 11 and well seat 12, guiding mechanism
2 include the fixed plate 21 for being fixedly mounted on the inside homonymy of well seat 12, and the shifting being hinged with the bottom side of manhole cover plate 11
Dynamic plate 22, fixed plate 21 are to be arranged in parallel with movable plate 22, the guide rod 221 being provided at both ends with vertically downward of movable plate 22,
The linear bearing 223 with 221 corresponding matching of guide rod is provided with fixed plate 21, the lower end of guide rod 221 is sleeved on linear axis
In holding 223, and both ends are set with guide pin bushing；Hydraulic stem 33, hydraulic stem are connected between the center of fixed plate 21 and movable plate 22
33 fixing end is arranged in fixed plate 21, and the movable end of hydraulic stem 33 is arranged on movable plate 22, is provided with movable plate 22
Height-adjustable adjustable ejector rod 34；Chain 212, chain are provided with by chain earrings 211 on rear side of the both ends of fixed plate 21
212 other end is connected with the chain earrings 211 on rear side of the both ends of manhole cover plate 11；The inner side of well seat 12 is provided with by installation sheet
The travel switch 43 corresponding with guide rod 221, movable plate 22 are provided with proximity switch 44, stroke close to the place of manhole cover plate 11
Switch 43 and proximity switch 44 are connected with control system 4 respectively；
Intercommunicating pore 13 is provided with manhole cover plate 11, the inner side of manhole cover plate 11 is provided with handle 14, is provided with intercommunicating pore 13 and manually should
The oil connection suddenly opened, oil connection is built-in to be blocked, and peripheral hardware anti-frost protection cap, oil connection passes through hydraulic tube 31 and hydraulic pressure system
The connection of system 3, control system 4 are connected with remote control, and remote control carries out remote control with wireless remote control or remote terminal and is connected,
Safety protection component includes being arranged on the electric switch 42 that diffuses on guiding mechanism 2, and with the phase of electric switch 42 that diffuses
The infrared emission grating 123 for being arranged on the inner top side of well seat 12 or so of connection, infrared emission grating 123 and the phase of control system 4
Connection；Hydraulic system 3 is connected and installed with accumulator 32.
Hydraulic stem 33 is two-way cylinder, and the rim under surface of manhole cover plate 11 is provided with sealing 121, the edge of well seat 12
Upper surface is provided with the lower sealing with 121 corresponding matchings of upper sealing, and upper sealing is silicone sealing strip with lower sealing, and well lid is opened
Maximum angle is opened as 75 °, oil cylinder traveled distance L=236mm, the bottom side of manhole cover plate 11 is provided with shaft seating 112, mobile
Rotating stand 113 with 112 corresponding matching of shaft seating is installed, shaft seating 112 passes through with rotating stand 113 on plate 22
Rotating shaft 111 is be hinged.
Hydraulic system 3 includes the fuel tank 312 being arranged in control cabinet 41, motor pump 311, oil filter 313, control valve group
314 and valve block, for motor pump 311 by being connected with oil pipe with fuel tank 312, oil filter 313 passes through oil pipe and control valve group 314
It is connected, control valve group 314 is connected by hydraulic tube 31 with valve block, and valve block passes through hydraulic tube 31 and hydraulic stem 33 and intercommunicating pore 31
It is connected；Control system 4 is arranged in control cabinet 41.
Described above is only the preferred embodiment of the present invention, it is noted that is come for one of ordinary skill in the art
Say, without departing from the technical principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
When being considered as within protection scope of the present invention.
Claims (9)
1. a kind of new security protection intelligent well cover, it is characterised in that including Manhole cover assembly, guiding mechanism, hydraulic system, control system
And safety protection component, the hydraulic system with control system control connection, the hydraulic system are installed in the Manhole cover assembly
With the guiding mechanism drive connection on Manhole cover assembly；The Manhole cover assembly includes manhole cover plate and well seat, the guiding
Mechanism includes the fixed plate for being fixedly mounted on homonymy inside well seat, and the movement being hinged with the bottom side of manhole cover plate
Plate, for the fixed plate with movable plate to be arranged in parallel, the guide rod being provided at both ends with vertically downward of the movable plate is described solid
The linear bearing of matching corresponding with guide rod is provided with fixed board, the guide rod lower end is sleeved in linear bearing, and two
End is set with guide pin bushing；Hydraulic stem, the fixing end peace of the hydraulic stem are connected between the fixed plate and the center of movable plate
In fixed plate, the movable end of the hydraulic stem is arranged on movable plate, is provided with the movable plate height-adjustable
Adjustable ejector rod；Chain, the other end and well lid of the chain are provided with by chain earrings on rear side of the both ends of the fixed plate
Chain earrings on rear side of plate both ends is connected；The inner side of the well seat is provided with the stroke corresponding with guide rod by installation sheet
Switch, the movable plate are provided with proximity switch close to the place of manhole cover plate, the travel switch and proximity switch respectively with control
System processed is connected；The safety protection component includes the electric switch that diffuses being arranged on guiding mechanism, and anti-with overflowing
Penetrate the infrared emission grating for being arranged on well seat or so inner top side that optoelectronic switch is connected, the infrared emission grating and control
System is connected；The hydraulic system is connected and installed with accumulator.
2. a kind of new security protection intelligent well cover according to claim 1, it is characterised in that the hydraulic stem is double acting oil
Cylinder.
A kind of 3. new security protection intelligent well cover according to claim 2, it is characterised in that the edge following table of the manhole cover plate
Face is provided with sealing, and the edge upper surface of the well seat is provided with the lower sealing with the corresponding matching of upper sealing.
A kind of 4. new security protection intelligent well cover according to claim 3, it is characterised in that the bottom side of the manhole cover plate
Shaft seating is installed, the rotating stand of matching corresponding with shaft seating, the shaft seating are installed on the movable plate
It is hinged with rotating stand by rotating shaft.
5. a kind of new security protection intelligent well cover according to claim 4, it is characterised in that the hydraulic system includes setting
Fuel tank in control cabinet, motor pump, oil filter, control valve group and valve block, the motor pump by with oil pipe and fuel tank
It is connected, the oil filter is connected by oil pipe with control valve group, and control valve group is connected by hydraulic tube with valve block, the valve block
It is connected by hydraulic tube with hydraulic stem and intercommunicating pore；The set-up of control system is in control cabinet.
A kind of 6. new security protection intelligent well cover according to claim 5, it is characterised in that the company of being provided with the manhole cover plate
Through hole, handle is provided with the inside of the manhole cover plate, and being provided with manual-operated emergent in the intercommunicating pore opens oil connection, the oil pipe
Joint is built-in to be blocked, and peripheral hardware anti-frost protection cap, the oil connection is connected by hydraulic tube with hydraulic system.
7. a kind of new security protection intelligent well cover according to claim 6, it is characterised in that the control system is connected with distant
Device is controlled, the remote control carries out remote control with wireless remote control or remote terminal and is connected.
8. a kind of new security protection intelligent well cover according to claim 7, it is characterised in that the upper sealing and lower sealing are equal
For silicone sealing strip.
9. enter a kind of new security protection intelligent well cover according to claim 8, it is characterised in that the well lid opens maximum angular
Spend for 75 °, oil cylinder traveled distance L=236mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710690162.6A CN107419753A (en) | 2017-08-14 | 2017-08-14 | A kind of new security protection intelligent well cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710690162.6A CN107419753A (en) | 2017-08-14 | 2017-08-14 | A kind of new security protection intelligent well cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107419753A true CN107419753A (en) | 2017-12-01 |
Family
ID=60437929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710690162.6A Pending CN107419753A (en) | 2017-08-14 | 2017-08-14 | A kind of new security protection intelligent well cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107419753A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482440A (en) * | 2019-09-12 | 2021-03-12 | 江苏拓轶智能科技有限公司 | Two divisions of translation formula hydraulic pressure well lids of fleing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20000388U1 (en) * | 2000-01-11 | 2000-04-27 | Buderus Guss Gmbh | Device for locking a chess cover |
| CN105839675A (en) * | 2016-05-16 | 2016-08-10 | 成都易信达科技股份有限公司 | Intelligent well lid condition monitoring system |
| CN105862923A (en) * | 2016-06-03 | 2016-08-17 | 昆山伟诺斯自动化设备有限公司 | Multifunctional intelligent well lid |
| CN205804411U (en) * | 2016-06-28 | 2016-12-14 | 黑龙江省正赫新型材料科技股份有限公司 | A kind of hydraulic pressure well lid for pipe gallery |
-
2017
- 2017-08-14 CN CN201710690162.6A patent/CN107419753A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20000388U1 (en) * | 2000-01-11 | 2000-04-27 | Buderus Guss Gmbh | Device for locking a chess cover |
| CN105839675A (en) * | 2016-05-16 | 2016-08-10 | 成都易信达科技股份有限公司 | Intelligent well lid condition monitoring system |
| CN105862923A (en) * | 2016-06-03 | 2016-08-17 | 昆山伟诺斯自动化设备有限公司 | Multifunctional intelligent well lid |
| CN205804411U (en) * | 2016-06-28 | 2016-12-14 | 黑龙江省正赫新型材料科技股份有限公司 | A kind of hydraulic pressure well lid for pipe gallery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482440A (en) * | 2019-09-12 | 2021-03-12 | 江苏拓轶智能科技有限公司 | Two divisions of translation formula hydraulic pressure well lids of fleing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171201 |