CN108755769A - A kind of opening device of municipal administration well lid - Google Patents
A kind of opening device of municipal administration well lid Download PDFInfo
- Publication number
- CN108755769A CN108755769A CN201810566634.1A CN201810566634A CN108755769A CN 108755769 A CN108755769 A CN 108755769A CN 201810566634 A CN201810566634 A CN 201810566634A CN 108755769 A CN108755769 A CN 108755769A
- Authority
- CN
- China
- Prior art keywords
- well lid
- mounting base
- fixture block
- push rod
- slot
- 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
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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
-
- 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
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- 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)
- Sewage (AREA)
Abstract
The invention discloses a kind of opening devices of municipal well lid, belong to municipal equipment technical field, including well lid mounting base and well lid, the both ends of well lid are connect by connection component with well lid mounting base；Connection component includes fixture block, push rod, guide pad, flexible guide rod, spring and corrugated flexible hose, the both ends of well lid offer the first slot, it is placed with fixture block in first slot, one end of well lid mounting base is provided with well cover opening device, and well cover opening device includes pedal, down-pressed pole, cross bar, knock-pin, support column and support base.The opening device of municipal administration well lid proposed by the present invention, well lid is completely embedded with well lid mounting base, it is safe and reliable, pushrod movement is pushed by push handle and fixture block is driven to move, make in fixture block total movement to the first slot, while hook being hung over and fixes push rod on the second link, foot pedal makes down-pressed pole move downward while knock-pin being made to move upwards one end ejection of well lid, convenient for quick open manhole cover, mitigate the burden of staff.
Description
Technical field
The present invention relates to municipal equipment technical field, more particularly to a kind of opening device of municipal well lid.
Background technology
Well lid prevents people or object from falling for covering road or family's middle-deep well.By material can be divided into metal well lid,
High strength fibre cement concrete well lid, Resin man-hole cover etc..It is general to use circle.It can be used for greenbelt, pavement, motor vehicle
Road, harbour, lane etc..
Existing well cover for sewer is directly placed in well lid mounting base mostly, and there is no special connection components to use
In fixed well lid and well lid mounting base so that when raining heavily, since the rainwater built up in sewer easily pacifies well lid from well lid
It is washed away on dress seat, well lid once washes away, and just without shelter, people or object is easy to fall sewer, and causing can not
The injury retrieved, and since existing well lid is directly placed in well lid mounting base mostly, when needing to overhaul sewer
When, since corresponding opening device not being arranged so that open manhole cover becomes abnormal difficult, increases burden to staff.
Invention content
Invention is designed to provide a kind of opening device of municipal well lid so that well lid is connect tightly with well lid mounting base
Close, even if heavy rain weather, well lid will not be flushed away, safe and reliable, at the same need overhaul sewer when, well lid opening square
Just, mitigate the burden of staff, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides the following technical solutions：
A kind of opening device of municipal administration well lid, including well lid mounting base and well lid are equipped with well in the well lid mounting base
Lid, the both ends of the well lid are connect by connection component with well lid mounting base；
The connection component includes fixture block, push rod, guide pad, stretch guide rod, spring and corrugated flexible hose, the well lid
Both ends offer the first slot, fixture block are placed in first slot, the upper surface of the fixture block is provided with guide pad, described
The both ends of guide pad are both connected on the madial wall of well lid, and the upper surface of the fixture block is connected with push rod, the top of the push rod
It is extended to through guide pad and is connected with push handle above well lid, flexible guide rod, the flexible guiding are connected on the push rod
The one end of bar far from push rod is also connected on the madial wall of well lid, and spring is arranged on the flexible guide rod, and described stretch is led
Corrugated flexible hose is provided with above to bar, one end of the corrugated flexible hose is connected on well lid, the other end of the corrugated flexible hose
It is connected on push rod；
Fixing device is provided in the push handle, the fixing device includes the first link, connecting rope, hook and the second extension
Ring, first link are mounted in push handle, and first link is connected with hook by connecting rope, described to hang over second
On link, second link is mounted on the upper surface of well lid；
One end of the well lid mounting base is provided with well cover opening device, and the well cover opening device includes pedal, pushes
Bar, cross bar, knock-pin, support column and support base offer the second slot in the well lid mounting base, are put in second slot
It is equipped with support base, the upper surface of the support base is equipped with support column, and the upper end of the support column is connected with cross bar, described
One end of cross bar is connected with knock-pin, and the lower surface that the one end of the knock-pin far from cross bar is located at well lid is contacted with well lid, institute
The other end for stating cross bar is connected with down-pressed pole, and the one end of the down-pressed pole far from cross bar extends to well lid peace through well lid mounting base
It is connected with pedal above dress seat.
Preferably, the sliding slot slided for push rod is offered on the guide pad.
Preferably, the inner surface of the well lid mounting base also offers the groove for placing fixture block, the ruler of first slot
The very little size more than fixture block.
Preferably, the down-pressed pole and knock-pin are flexibly connected with cross bar.
Preferably, horizontal distance of the down-pressed pole apart from support column is more than horizontal distance of the knock-pin apart from support column.
Compared with prior art, the beneficial effects of the invention are as follows：
1, the both ends of well lid are connect by connection component with well lid mounting base, due to the effect of stretch guide rod and spring
So that push rod pushes fixture block to move and fixture block is made to be located in groove and the first slot, well lid is stuck in well lid installation by fixture block at this time
On seat, when encountering heavy rain weather, well lid will not be washed away from well lid mounting base, avoided even if in sewer being all rainwater
Row people or object is fallen, and well lid is completely embedded with well lid mounting base, safe and reliable.
2, it when needing to overhaul sewer, is pushed in the sliding slot that is opened up on guide pad of push rod towards close to stretching by push handle
The direction of contracting guide rod moves, and pushrod movement drives fixture block to move synchronously, in final fixture block total movement to the first slot, fixture block
No longer engage well lid mounting base and well lid, while pushrod movement, stretch guide rod, spring and corrugated flexible hose due to by
The pressure of push rod and shrink, while hook being hung over and fixes push rod on the second link, made during the entire process of well lid is opened,
Fixture block is always positioned in the first slot, later foot pedal so that down-pressed pole moves downward, and makes while down-pressed pole moves downward
It obtains knock-pin to move upwards, eventually by knock-pin by one end ejection well lid mounting base of well lid, is convenient for quick open manhole cover,
Mitigate the burden of staff.
Description of the drawings
Fig. 1 is the overall package positive structure schematic of the present invention；
Fig. 2 is the overall package structure schematic diagram of the present invention；
Fig. 3 is the positive structure schematic that the multifunctional fruit skiving machine of the present invention decomposes；
Fig. 4 is the structure schematic diagram one that the multifunctional fruit skiving machine of the present invention decomposes.
In figure：1 well lid mounting base, 11 second slots, 2 well lids, 21 first slots, 3 connection components, 31 fixture blocks, 32 push rods,
321 push handles, 33 guide pads, 331 sliding slots, 34 flexible guide rods, 35 springs, 36 corrugated flexible hoses, 4 fixing devices, 41 first links,
42 connecting ropes, 43 hooks, 44 second links, 5 well cover opening devices, 51 pedals, 52 down-pressed poles, 53 cross bars, 54 knock-pins, 55
Dagger, 56 support bases.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, a kind of opening device of municipal administration well lid, including well lid mounting base 1 and well lid 2, in well lid mounting base 1
Well lid 2 is installed, the both ends of well lid 2 are connect by connection component 3 with well lid mounting base 1, when encountering heavy rain weather, even if
All it is that rainwater will not wash away well lid 2 from well lid mounting base 1 in sewer, avoids row people or object from falling, well lid 2
It is completely embedded with well lid mounting base 1, it is safe and reliable；
Fig. 2 and Fig. 4 are please referred to, connection component 3 includes fixture block 31, push rod 32, guide pad 33, flexible guide rod 34, spring
35 and corrugated flexible hose 36, when well lid 2 is mounted in well lid mounting base 1, under reset condition, due to flexible guide rod 34 and spring 35
Effect make push rod 32 push fixture block 31 move and so that fixture block 31 is located in groove and the first slot 21, well lid 2 passes through at this time
Fixture block 31 is stuck in well lid mounting base 1, when encountering heavy rain weather, even if in sewer being all rainwater will not by well lid 2 from
It is washed away in well lid mounting base 1, row people or object is avoided to fall, well lid 2 is completely embedded with well lid mounting base 1, safe to use
Reliably, the both ends of well lid 2 offer the first slot 21, and fixture block 31, the inner surface of well lid mounting base 1 are placed in the first slot 21
Also the groove for placing fixture block 31 is offered, the size of the first slot 21 is more than the size of fixture block 31, when needing to overhaul sewer
When open manhole cover 2, the sliding slot 331 for pushing push rod 32 to be opened up on guide pad 33 by push handle 321 is interior towards close to flexible guiding
The direction of bar 34 moves, and the movement of push rod 32 drives fixture block 31 to move synchronously, in 31 total movement of final fixture block to the first slot 21,
Fixture block 31 no longer engages well lid mounting base 1 and well lid 2, and convenient for the follow-up operation for carrying out open manhole cover 2, the upper surface of fixture block 31 is set
It is equipped with guide pad 33, the both ends of guide pad 33 are both connected on the madial wall of well lid 2, and the upper surface of fixture block 31 is connected with push rod
32, the top that the top of push rod 32 extends to well lid 2 through guide pad 33 is connected with push handle 321, and confession is offered on guide pad 33
The sliding slot 331 that push rod 32 slides, the interior movement of sliding slot 331 for pushing push rod 32 to be opened up on guide pad 33 by push handle 321, is oriented to
Block 33 plays the role of guiding, enables the movement in sliding slot 331 of push rod 32, is connected with flexible guide rod 34 on push rod 32, stretches
The one end of guide rod 34 far from push rod 32 is also connected on the madial wall of well lid 2, is arranged with spring 35 on flexible guide rod 34, is stretched
The top of contracting guide rod 34 is provided with corrugated flexible hose 36, and one end of corrugated flexible hose 36 is connected on well lid 2, corrugated flexible hose 36 it is another
One end is connected on push rod 32；
It is provided with fixing device 4 in push handle 321, fixing device 4 includes the first link 41, connecting rope 42, hook 43 and the
Two links 44, the first link 41 are mounted in push handle 321, and the first link 41 is connected with hook 43, hook 43 by connecting rope 42
It hangs on the second link 44, the second link 44 is mounted on the upper surface of well lid 2, pushes push rod 32 in guide pad by push handle 321
It is moved towards close to the direction of flexible guide rod 34 in the sliding slot 331 opened up on 33, the movement of push rod 32 drives fixture block 31 to synchronize fortune
It is dynamic, in 31 total movement of final fixture block to the first slot 21, while hook 43 being hung over and fixes push rod 32 on the second link 44,
Anti- throw-out lever 32 is returned to original position due to the reset response of spring 35, makes during the entire process of well lid 2 is opened, card
Block 31 is always positioned in the first slot 21, and fixture block 31 no longer engages well lid mounting base 1 and well lid 2；
Referring to Fig. 3, one end of well lid mounting base 1 is provided with well cover opening device 5, well cover opening device 5 includes pedal
51, down-pressed pole 52, cross bar 53, knock-pin 54, support column 55 and support base 56, foot pedal 51 so that down-pressed pole 52 is transported downwards
Dynamic, down-pressed pole 52 makes knock-pin 54 move upwards while moving downward, and pushes up one end of well lid 2 eventually by knock-pin 54
Go out in well lid mounting base 1, is convenient for quick open manhole cover 2, mitigates the burden of staff, water of the down-pressed pole 52 apart from support column 55
Flat distance is more than horizontal distance of the knock-pin 54 apart from support column 55, is similar to lever principle, since down-pressed pole 52 arrives support column
55 distance is more than the distance that knock-pin 54 arrives support column 55, more laborsaving when foot pedal 51, is opened up in well lid mounting base 1
There is the second slot 11, support base 56 is placed in the second slot 11, the upper surface of support base 56 is equipped with support column 55, support column
55 upper end is connected with cross bar 53, and one end of cross bar 53 is connected with knock-pin 54, the one end of knock-pin 54 far from cross bar 53
It is contacted with well lid 2 positioned at the lower surface of well lid 2, the other end of cross bar 53 is connected with down-pressed pole 52, down-pressed pole 52 and knock-pin 54
It is flexibly connected with cross bar 53, foot pedal 51 so that down-pressed pole 52 moves downward, and down-pressed pole 52 moves downward so that cross bar 53
It synchronizes and moves downward close to one end of down-pressed pole 52, therefore cross bar 53 makes cross bar 53 far from pushing under the action of support column 55
One end of bar 52, which synchronizes, to be moved upwards, and the one end of cross bar 53 far from down-pressed pole 52, which synchronizes, to be moved upwards so that knock-pin 54 is transported upwards
It is dynamic, eventually by knock-pin 54 by one end ejection well lid mounting base 1 of well lid 2, it is convenient for quick open manhole cover 2, mitigates work
The burden of personnel, the one end of down-pressed pole 52 far from cross bar 53 extend to the top connection of well lid mounting base 1 through well lid mounting base 1
There is pedal 51.
The both ends of well lid 2 are connect by connection component 3 with well lid mounting base 1, and well lid 2 is mounted in well lid mounting base 1
When, due to the effect of stretch guide rod 34 and spring 35 make push rod 32 that fixture block 31 be pushed to move and make fixture block 31 be located at groove with
In first slot 21, well lid 2 is stuck in by fixture block 31 in well lid mounting base 1 at this time, when encountering heavy rain weather, even if sewer
All it is inside that rainwater will not wash away well lid 2 from well lid mounting base 1, avoids row people or object from falling, well lid 2 and well lid
Mounting base 1 is completely embedded, safe and reliable.
2 opening process of well lid：When needing to overhaul sewer, push rod 32 is pushed to be opened on guide pad 33 by push handle 321
If sliding slot 331 in moved towards close to the direction of flexible guide rod 34, the movement of push rod 32 drives fixture block 31 to move synchronously, finally
In 31 total movement of fixture block to the first slot 21, fixture block 31 no longer engages well lid mounting base 1 and well lid 2, is moved in push rod 32
Meanwhile flexible guide rod 34, spring 35 and corrugated flexible hose 36 are shunk due to the pressure by push rod 32, while 43 will be linked up with
It hangs over and fixes push rod 32 on the second link 44, anti-throw-out lever 32 is returned to original position due to the reset response of spring 35
It sets, makes during the entire process of well lid 2 is opened, fixture block 31 is always positioned in the first slot 21, later foot pedal 51 so that under
Compression bar 52 moves downward, and down-pressed pole 52 makes knock-pin 54 move upwards while moving downward, will eventually by knock-pin 54
In one end ejection well lid mounting base 1 of well lid 2, it is convenient for quick open manhole cover 2, mitigates the burden of staff.
In conclusion the opening device of municipal administration well lid proposed by the present invention, the both ends of well lid 2 by connection component 3 with
Well lid mounting base 1 connects, since the effect of stretch guide rod 34 and spring 35 makes push rod 32 that fixture block 31 be pushed to move and makes card
Block 31 is located in groove and the first slot 21, and well lid 2 is stuck in by fixture block 31 in well lid mounting base 1 at this time, when encountering the big rainy day
When gas, well lid 2 will not be washed away even if in sewer being all rainwater from well lid mounting base 1, row people or object is avoided to occur
It falls, well lid 2 is completely embedded with well lid mounting base 1, safe and reliable, when needing to overhaul sewer, is pushed away by push handle 321
It is moved towards close to the direction of flexible guide rod 34 in the sliding slot 331 that dynamic push rod 32 opens up on guide pad 33, push rod 32 moves
Fixture block 31 is driven to move synchronously, in 31 total movement of final fixture block to the first slot 21, fixture block 31 no longer engages well lid mounting base 1
With well lid 2, while push rod 32 moves, stretch guide rod 34, spring 35 and corrugated flexible hose 36 are due to by push rod 32
Pressure and shrink, while hook 43 being hung over and fixes push rod 32 on the second link 44, make the whole process opened in well lid 2
In, fixture block 31 is always positioned in the first slot 21, later foot pedal 51 so that down-pressed pole 52 moves downward, down-pressed pole 52 to
Make knock-pin 54 move upwards while lower movement, one end of well lid 2 is ejected into well lid mounting base 1 eventually by knock-pin 54
It is interior, it is convenient for quick open manhole cover 2, mitigates the burden of staff.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of opening device of municipal administration well lid, including well lid mounting base (1) and well lid (2), it is characterised in that：The well lid peace
Well lid (2) is installed on dress seat (1), the both ends of the well lid (2) are connect by connection component (3) with well lid mounting base (1)；
The connection component (3) include fixture block (31), push rod (32), guide pad (33), flexible guide rod (34), spring (35) and
The both ends of corrugated flexible hose (36), the well lid (2) offer the first slot (21), and fixture block is placed in first slot (21)
(31), the upper surface of the fixture block (31) is provided with guide pad (33), and the both ends of the guide pad (33) are both connected to well lid (2)
Madial wall on, the upper surface of the fixture block (31) is connected with push rod (32), and guide pad is run through at the top of the push rod (32)
(33) it extends to above well lid (2) and is connected with push handle (321), flexible guide rod (34), institute are connected on the push rod (32)
It states the one end of flexible guide rod (34) far from push rod (32) to be also connected on the madial wall of well lid (2), the flexible guide rod
(34) it is arranged with spring (35) on, corrugated flexible hose (36), the corrugated flexible hose are provided with above the flexible guide rod (34)
(36) one end is connected on well lid (2), and the other end of the corrugated flexible hose (36) is connected on push rod (32)；
Fixing device (4) is provided on the push handle (321), the fixing device (4) includes the first link (41), connecting rope
(42), (43) and the second link (44) are linked up with, first link (41) is mounted in push handle (321), first link
(41) hook (43) is connected with by connecting rope (42), the hook (43) hangs on the second link (44), second link
(44) it is mounted on the upper surface of well lid (2)；
One end of the well lid mounting base (1) is provided with well cover opening device (5), and the well cover opening device (5) includes pedal
(51), down-pressed pole (52), cross bar (53), knock-pin (54), support column (55) and support base (56), the well lid mounting base (1)
On offer the second slot (11), is placed with support base (56), the upper table of the support base (56) in second slot (11)
Face is equipped with support column (55), and the upper end of the support column (55) is connected with cross bar (53), one end of the cross bar (53)
It is connected with knock-pin (54), the one end of the knock-pin (54) far from cross bar (53) is located at lower surface and the well lid (2) of well lid (2)
The other end of contact, the cross bar (53) is connected with down-pressed pole (52), and the one end of the down-pressed pole (52) far from cross bar (53) is passed through
It wears well lid mounting base (1) and extends to above well lid mounting base (1) and be connected with pedal (51).
2. a kind of opening device of municipal well lid according to claim 1, it is characterised in that：It is opened on the guide pad (33)
Equipped with the sliding slot (331) slided for push rod (32).
3. a kind of opening device of municipal well lid according to claim 1, it is characterised in that：The well lid mounting base (1)
Inner surface also offer the groove for placing fixture block (31), the size of first slot (21) is more than the size of fixture block (31).
4. a kind of opening device of municipal well lid according to claim 1, it is characterised in that：The down-pressed pole (52) and top
Rod (54) is flexibly connected with cross bar (53).
5. a kind of opening device of municipal well lid according to claim 1, it is characterised in that：Down-pressed pole (52) distance
The horizontal distance of support column (55) is more than horizontal distance of the knock-pin (54) apart from support column (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810566634.1A CN108755769A (en) | 2018-06-04 | 2018-06-04 | A kind of opening device of municipal administration well lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810566634.1A CN108755769A (en) | 2018-06-04 | 2018-06-04 | A kind of opening device of municipal administration well lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108755769A true CN108755769A (en) | 2018-11-06 |
Family
ID=63998902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810566634.1A Pending CN108755769A (en) | 2018-06-04 | 2018-06-04 | A kind of opening device of municipal administration well lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108755769A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424465A (en) * | 2019-07-30 | 2019-11-08 | 浙江金棕榈建设有限公司 | A kind of town road well lid |
| CN113404145A (en) * | 2021-07-09 | 2021-09-17 | 重庆交通大学 | Intercommunication type three-dimensional traffic drainage device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101597908A (en) * | 2009-07-08 | 2009-12-09 | 马宝林 | Anti-stealing manhole cover |
| CN205999938U (en) * | 2016-09-12 | 2017-03-08 | 东北石油大学 | Safety well cover is locked at a kind of four sides for communication engineering |
| CN206721928U (en) * | 2017-03-23 | 2017-12-08 | 泰兴市东城水处理工程有限公司 | A kind of rainwater inspection well for municipal roads lid being easy to open |
| CN207142794U (en) * | 2017-07-13 | 2018-03-27 | 杭州恒力市政景观艺术有限公司 | A kind of municipal well lid lid arrangement |
| CN207209910U (en) * | 2017-09-15 | 2018-04-10 | 宁波国谱环保科技有限公司 | A kind of inspection well cover convenient-opening device |
-
2018
- 2018-06-04 CN CN201810566634.1A patent/CN108755769A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101597908A (en) * | 2009-07-08 | 2009-12-09 | 马宝林 | Anti-stealing manhole cover |
| CN205999938U (en) * | 2016-09-12 | 2017-03-08 | 东北石油大学 | Safety well cover is locked at a kind of four sides for communication engineering |
| CN206721928U (en) * | 2017-03-23 | 2017-12-08 | 泰兴市东城水处理工程有限公司 | A kind of rainwater inspection well for municipal roads lid being easy to open |
| CN207142794U (en) * | 2017-07-13 | 2018-03-27 | 杭州恒力市政景观艺术有限公司 | A kind of municipal well lid lid arrangement |
| CN207209910U (en) * | 2017-09-15 | 2018-04-10 | 宁波国谱环保科技有限公司 | A kind of inspection well cover convenient-opening device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424465A (en) * | 2019-07-30 | 2019-11-08 | 浙江金棕榈建设有限公司 | A kind of town road well lid |
| CN113404145A (en) * | 2021-07-09 | 2021-09-17 | 重庆交通大学 | Intercommunication type three-dimensional traffic drainage device |
| CN113404145B (en) * | 2021-07-09 | 2022-10-14 | 重庆交通大学 | Intercommunication type three-dimensional traffic drainage device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181106 |
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| RJ01 | Rejection of invention patent application after publication |