CN110468881A - A kind of fall arrest well lid of municipal works - Google Patents
A kind of fall arrest well lid of municipal works Download PDFInfo
- Publication number
- CN110468881A CN110468881A CN201910840122.4A CN201910840122A CN110468881A CN 110468881 A CN110468881 A CN 110468881A CN 201910840122 A CN201910840122 A CN 201910840122A CN 110468881 A CN110468881 A CN 110468881A
- Authority
- CN
- China
- Prior art keywords
- fall
- fall arrest
- manhole cover
- spring
- cover body
- 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.)
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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
- E02D29/1481—Security devices, e.g. indicating unauthorised opening
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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 fall arrest well lids of municipal works, including pedestal, the inner ring of the pedestal is equidistant to offer card slot, be connected together in card slot it is anti-fall conform to a conventional pattern, offer manhole cover on the pedestal of card slot upper end, engaging has manhole cover body in manhole cover, water inlet is offered in the manhole cover body, fixed ear is symmetrically connected on the outer wall of manhole cover body, fixed ear is connect by bayonet lock with pedestal, and the anti-fall upper end to conform to a conventional pattern is fixedly connected with engaging circle.A kind of fall arrest well lid of municipal works proposed by the present invention, manhole cover body plays road surface protective action, facilitate draining, the function of Double falling-prevention can be played in manhole cover body breakage, fall arrest effect is good, improve security performance, in addition ponding outlet is offered on fall arrest bottom plate, and is flexibly connected motion bar, for discharging sewer internal water under extreme weather, it prevents sewer inside water pressure excessive, washes away well lid and leave security risk.
Description
Technical field
The present invention relates to municipal well lid technical field, in particular to the fall arrest well lid of a kind of municipal works.
Background technique
Well lid is generally overlay on inspection shaft at present, and well lid is easily stolen and damage, the inspection shaft for losing well lid are frequent
The accident that pedestrian falls occurs.To solve the above-mentioned problems, occur anti-drop net on the market, be fixed on the borehole wall of inspection shaft
On, when pedestrian falls, anti-drop net can play a protective role, but anti-drop net nylon material, it is easy aging, is soaked for a long time through sewage
Bubble easily corrodes, Lack of support, however it remains risk.And existing well lid does not have deodorant function, inside sewer
Smell is easy to drift to top, pollutes environment.
Summary of the invention
A kind of fall arrest well lid for being designed to provide municipal works of invention, can be effectively prevented and fall, and improve road
Road safety, good airproof performance facilitate draining, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of fall arrest well lid of municipal works, including pedestal, the inner ring of the pedestal is equidistant to offer card slot,
Be connected together in card slot it is anti-fall conform to a conventional pattern, offer manhole cover on the pedestal of card slot upper end, engaging has manhole cover body in manhole cover,
Water inlet is offered in the manhole cover body, fixed ear is symmetrically connected on the outer wall of manhole cover body, and fixed ear passes through bayonet lock
It is connect with pedestal, the anti-fall upper end to conform to a conventional pattern is fixedly connected with engaging circle, and engaging circle engages with manhole cover, and engages the two of circle
Side symmetrically offers portable slot, and the fall arrest of engaging circle lower section, which is put on, equidistant is connected with engaging item, engaging item and card slot card
Connection is closed, the fall arrest of engaging side, which is put on, offers water outlet, and the upper end of water outlet is equipped with Damping hinge, Damping hinge
On door close is installed, the anti-fall lower end to conform to a conventional pattern is fixedly connected with fall arrest bottom plate, opens on the center of fall arrest bottom plate
It is exported equipped with ponding, through there is motion bar in ponding outlet, sliding slot, the motion bar is symmetrically offered on the anti-fall inner wall to conform to a conventional pattern
The one end being placed in below fall arrest bottom plate is fixedly connected with lower limiting board, and motion bar is placed on the position above fall arrest bottom plate solid
Surely it is connected with upper limit plate, the upper end of motion bar offers through-hole, and through-hole is connected with sealing plate, the sealing plate side wall
Two sides are symmetrically connected with sliding block, offer the first groove on the center of sealing plate lower surface, through having the in the first groove
One shaft, first rotating shaft run through through-hole, symmetrically offer the second groove on the sealing plate of the first groove two sides, pass through in the second groove
It is installed with the second shaft, is connected separately with the first spring and second spring in the second shaft, first spring and second spring
Upper end is respectively connected with hook, and hook is hooked together with the second shaft respectively, the lower end of the first spring and second spring respectively with fall arrest
The upper surface of bottom plate is fixedly connected, and the first telescopic rod and the second telescopic rod have been extended through inside the first spring and second spring.
Preferably, the mounting groove to match with fixed ear is offered on the pedestal.
Preferably, the engaging circle is placed in the lower section of manhole cover body, and it is equal with the diameter of manhole cover body to engage circle.
Preferably, the diameter of the lower limiting board and upper limit plate is all larger than the diameter of ponding outlet, lower limiting board and upper
The distance between limit plate is greater than the thickness of twice of fall arrest bottom plate.
Preferably, the sliding block is cylindrical structure, and sliding block is flexibly connected with sliding slot.
Preferably, the length for being shorter in length than second spring of first spring, sealing plate are inclined to set, the first spring
Fall arrest bottom plate is connected to close to the side of water outlet.
Preferably, first telescopic rod and the second telescopic rod include interior bar and outer bar, and interior bar is flexibly connected with outer bar.
Preferably, the lower end of the interior bar is connected with limited block, and the upper end of interior bar is flexibly connected with the second shaft, outer bar
Lower end is fixedly connected with fall arrest plate upper surface.
Compared with prior art, the beneficial effects of the present invention are: a kind of fall arrest of municipal works proposed by the present invention
Well lid, by pedestal be fixedly mounted it is anti-fall conform to a conventional pattern and manhole cover body, manhole cover body play road surface protective action, facilitate draining, prevent
Fall the bottom connection fall arrest bottom plate and sealing plate of set, and the function of Double falling-prevention can be played in manhole cover body breakage, is prevented
Effect of falling is good, improves security performance, ponding outlet is in addition offered on fall arrest bottom plate, and be flexibly connected motion bar, used
Sewer internal water is discharged under extreme weather, is prevented sewer inside water pressure excessive, is washed away well lid and leave security risk, separately
External seal plate with it is anti-fall conform to a conventional pattern engage sealing, effectively prevent peculiar smell inside sewer to drift, protect environment, while Damping hinge control
Door close processed is closed, and upper limit plate blocks ponding outlet, reinforces sealing effect, and sealing plate is inclined to set, when draining, from top
The sewage of entrance is fallen on sealing plate, and inclined sealing plate facilitates sewage to assemble, and realizes Quick drainage.
Detailed description of the invention
Fig. 1 is base vertical view of the invention；
Fig. 2 is overall structure figure of the invention；
Fig. 3 is fall arrest noose composition of the invention；
Fig. 4 is drainage works state diagram of the invention；
Fig. 5 is motion bar structure chart of the invention；
Fig. 6 is spilling water working state figure of the invention；
Fig. 7 is sealing plate bottom view of the invention；
Fig. 8 is the first spring structure figure of the invention；
Fig. 9 is A enlarged drawing of the invention.
In figure: 1, pedestal；11, card slot；12, manhole cover；13, mounting groove；2, anti-fall to conform to a conventional pattern；21, engaging circle；211, portable
Slot；22, engage item；23, water outlet；231, Damping hinge；232, door close；24, fall arrest bottom plate；241, ponding exports；25,
Sliding slot；3, manhole cover body；31, water inlet；32, fixed ear；4, motion bar；41, lower limiting board；42, upper limit plate；43, through-hole；
44, sealing plate；441, sliding block；442, the first groove；443, first rotating shaft；444, the second groove；445, the second shaft；45,
One spring；451, it links up with；46, second spring；47, the first telescopic rod；471, interior bar；472, outer bar；48, the second telescopic rod.
Specific embodiment
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 description, 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.
The fall arrest well lid of a kind of municipal works referring to FIG. 1-2, including pedestal 1, the inner ring of pedestal 1 are equidistant
Offer card slot 11, be connected together in card slot 11 it is anti-fall conform to a conventional pattern 2, offer manhole cover 12, well on the pedestal 1 of 11 upper end of card slot
Engaging has manhole cover body 3 in lid mouth 12, and water inlet 31 is offered in manhole cover body 3, is symmetrically connected on the outer wall of manhole cover body 3
Fixed ear 32, the mounting groove 13 to match with fixed ear 32 is offered on pedestal 1, and fixed ear 32 is connected by bayonet lock and pedestal 1
It connects, for fixing manhole cover body 3.
Please refer to Fig. 3-4, anti-fall 2 upper end of conforming to a conventional pattern is fixedly connected with engaging circle 21, and engaging circle 21 is placed in manhole cover body 3
Lower section, and engage that circle is 21 equal with the diameter of manhole cover body 3, engaging circle 21 be used to fix it is anti-fall conform to a conventional pattern 2 position, while examining
When repairing, after manhole cover body 3 is removed, can dismantle it is anti-fall conform to a conventional pattern 2, engaging circle 21 engage with manhole cover 12, and engaging encloses 21
Two sides symmetrically offer portable slot 211, portable 211 easy disassembly of slot, the anti-fall equidistant company on 2 that conforms to a conventional pattern of 21 lower section of engaging circle
Be connected to engaging item 22, engaging item 22 is connected together with card slot 11, engage 22 side of item it is anti-fall conform to a conventional pattern offer water outlet on 2
23, the upper end of water outlet 23 is equipped with Damping hinge 231, be equipped with door close 232 on Damping hinge 231, anti-fall to conform to a conventional pattern 2
Lower end is fixedly connected with fall arrest bottom plate 24, and ponding outlet 241, ponding outlet are offered on the center of fall arrest bottom plate 24
Through there is a motion bar 4 in 241, it is anti-fall conform to a conventional pattern 2 inner wall on symmetrically offer sliding slot 25.
Fig. 4-6 is please referred to, one end that motion bar 4 is placed in 24 lower section of fall arrest bottom plate is fixedly connected with lower limiting board 41, living
Lever 4 is placed on the position of 24 top of fall arrest bottom plate and is fixedly connected with upper limit plate 42, lower limiting board 41 and upper limit plate 42
Diameter be all larger than the diameter of ponding outlet 241, under self weight, upper limit plate 42 sinks, and connect with fall arrest bottom plate 24, on
Limit plate 42 plays the role of fixed motion bar 4 and blocking ponding outlet 241, reaches sealing effect, prevents lower part smell from drifting,
The distance between lower limiting board 41 and upper limit plate 42 are greater than the thickness of twice of fall arrest bottom plate 24, when the ponding mistake in sewer
More, when cannot drain in time, water level rise will push lower limiting board 41 and move up, and blocking ponding outlet 241 is opened, and can quickly arrange
Water prevents hydraulic pressure excessive, washes away well lid, and the upper end of motion bar 4 offers through-hole 43, and through-hole 43 is connected with sealing plate 44.
Fig. 7-9 is please referred to, the two sides of 44 side wall of sealing plate are symmetrically connected with sliding block 441, and sliding block 441 is cylindrical structure,
Sliding block 441 is flexibly connected with sliding slot 25, while sealing plate 44 can be moved up and down with along the chute 25, can be rotated around sliding block 441,
The first groove 442 is offered on the center of 44 lower surface of sealing plate, running through in the first groove 442 has first rotating shaft 443, the
One shaft 443 runs through through-hole 43, symmetrically offers the second groove 444, the second groove on the sealing plate 44 of 442 two sides of the first groove
Through there is the second shaft 445 in 444, the first spring 45 and second spring 46, the first spring are connected separately in the second shaft 445
45 and the upper end of second spring 46 be respectively connected with hook 451, hook 451 is hooked together with the second shaft 445 respectively, 45 He of the first spring
The lower end of second spring 46 is fixedly connected with the upper surface of fall arrest bottom plate 24 respectively, inside the first spring 45 and second spring 46
The first telescopic rod 47 and the second telescopic rod 48 are extended through, the length for being shorter in length than second spring 46 of the first spring 45 is close
Sealing plate 44 is inclined to set, and when draining, the sewage entered from top is fallen on sealing plate 44, and inclined sealing plate 44 facilitates sewage
Aggregation, the first spring 45 are connected to fall arrest bottom plate 24 close to the side of water outlet 23, and sewage is gathered in sealing plate 44 close to the
One end of one spring 45, the first spring 45 are shunk, and one end of sealing plate 44 and the anti-fall 2 formation opening that conforms to a conventional pattern, sewage are flowed from opening
Out, it pushes door close 232 to open, sewage is discharged, the first telescopic rod 47 and the second telescopic rod 48 include interior bar 471 and outer bar
472, interior bar 471 is flexibly connected with outer bar 472, and in the state of not draining, the interior bar 471 and outer bar of the first telescopic rod 47
472 in longest state is straightened, and limits the position of 44 one end of sealing plate, and the lower end of interior bar 471 is connected with limited block, and limited block rises
To position-limiting action, drawing was prevented, the upper end of interior bar 471 is flexibly connected with the second shaft 445, the lower end of outer bar 472 and fall arrest
24 upper surface of bottom plate is fixedly connected, and interior bar 471 can be up and down in outer bar 472.
The course of work: in use, entering sewage from the water inlet 31 in manhole cover body 3, sewage is fallen on sealing plate 44, and
Assemble in sealing plate 44 close to one end of the first spring 45, the first spring 45 is shunk, one end of sealing plate 44 and anti-fall 2 shapes that conform to a conventional pattern
At opening, sewage is flowed out from opening, and door close 232 is pushed to open, and sewage is discharged, after sewage discharge, door close 232 is closed in damping
It is automatic to be closed under the action of page 231, sealing function is played, upper limit plate 42 blocks ponding outlet 241, reaches sealing effect, and
One week of sealing plate 44 with it is anti-fall conform to a conventional pattern 2 engage, be again sealed off, prevent lower part smell from drifting, sealing plate 44 and fall arrest bottom plate
24 play two layers of protective action, when the manhole cover body 3 of top is damaged, can also prevent pedestrian and vehicle on road surface from falling well
In, in addition in the case where rainstorm weather ponding soars, water level goes up in sewer, and lower limiting board 41 is pushed to move up, and drives and lives
Lever 4 is whole to be moved up, and blocking ponding outlet 241 is opened, ponding enter it is anti-fall conform to a conventional pattern in 2, when continuous rise, then push sealing plate
44 move up, and under the action of motion bar 4, sealing plate 44 can only be overturn, the both ends of sealing plate 44 and the anti-fall 2 formation opening that conforms to a conventional pattern,
Sewage is overflowed from opening, is discharged eventually by manhole cover body 3, is prevented sewer inside water pressure excessive, wash away well lid and leave peace
Full hidden danger.
In conclusion a kind of fall arrest well lid of municipal works proposed by the present invention, is fixedly mounted anti-fall by pedestal 1
Conform to a conventional pattern 2 and manhole cover body 3, and manhole cover body 3 plays road surface protective action, facilitates draining, it is anti-fall conform to a conventional pattern 2 bottom connection fall arrest
Bottom plate 24 and sealing plate 44 can play the function of Double falling-prevention when manhole cover body 3 is damaged, and fall arrest effect is good, improve peace
In addition full performance offers ponding outlet 241 on fall arrest bottom plate 24, and is flexibly connected motion bar 4, under extreme weather
Discharge sewer internal water, prevent sewer inside water pressure excessive, wash away well lid and leave security risk, in addition sealing plate 44 with
The anti-fall 2 engagings sealing that conforms to a conventional pattern, effectively prevent peculiar smell inside sewer to drift, and protects environment, while the control closure of Damping hinge 231
Door 232 is closed, and upper limit plate 42 blocks ponding outlet 241, reinforces sealing effect, and sealing plate 44 is inclined to set, when draining, from
The sewage that top enters is fallen on sealing plate 44, and inclined sealing plate 44 facilitates sewage to assemble, and realizes Quick drainage.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art within the technical scope of the present disclosure, 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 (8)
1. a kind of fall arrest well lid of municipal works, including pedestal (1), it is characterised in that: the inner ring of the pedestal (1) is equidistant
From offer card slot (11), be connected together in card slot (11) it is anti-fall conform to a conventional pattern (2), opened on the pedestal (1) of card slot (11) upper end
Equipped with manhole cover (12), there is manhole cover body (3) engaging in manhole cover (12), offers water inlet on the manhole cover body (3)
(31), it is symmetrically connected with fixed ear (32) on the outer wall of manhole cover body (3), fixed ear (32) is connected by bayonet lock and pedestal (1)
It connects, the anti-fall upper end for conforming to a conventional pattern (2) is fixedly connected with engaging circle (21), and engaging circle (21) engages with manhole cover (12), and blocks
The two sides for closing circle (21) symmetrically offer portable slot (211), the anti-fall equidistant connection on (2) that conforms to a conventional pattern below engaging circle (21)
Have engaging item (22), engaging item (22) is connected together with card slot (11), engage item (22) side it is anti-fall conform to a conventional pattern offer on (2)
Water outlet (23), the upper end of water outlet (23) are equipped with Damping hinge (231), are equipped with door close on Damping hinge (231)
(232), the anti-fall lower end for conforming to a conventional pattern (2) is fixedly connected with fall arrest bottom plate (24), is opened on the center of fall arrest bottom plate (24)
Export (241) equipped with ponding, through having motion bar (4) in ponding outlet (241), it is anti-fall conform to a conventional pattern (2) inner wall on symmetrically open up
Have sliding slot (25), one end that the motion bar (4) is placed in below fall arrest bottom plate (24) is fixedly connected with lower limiting board (41), living
It is fixedly connected on the position that lever (4) is placed in above fall arrest bottom plate (24) upper limit plate (42), the upper end of motion bar (4) is opened
Equipped with through-hole (43), through-hole (43) is connected with sealing plate (44), and the two sides of sealing plate (44) side wall are symmetrically connected with
Sliding block (441) offers the first groove (442) on the center of sealing plate (44) lower surface, runs through in the first groove (442)
Have first rotating shaft (443), first rotating shaft (443) runs through through-hole (43), symmetrical on the sealing plate (44) of the first groove (442) two sides
It offers the second groove (444), through having the second shaft (445) in the second groove (444), the second shaft connects respectively on (445)
It is connected to the first spring (45) and second spring (46), the upper end of first spring (45) and second spring (46) is respectively connected with extension
Hook (451), hook (451) are hooked together with the second shaft (445) respectively, the lower end difference of the first spring (45) and second spring (46)
It is fixedly connected with the upper surface of fall arrest bottom plate (24), has extended through first inside the first spring (45) and second spring (46)
Telescopic rod (47) and the second telescopic rod (48).
2. a kind of fall arrest well lid of municipal works according to claim 1, it is characterised in that: on the pedestal (1)
Offer the mounting groove (13) to match with fixed ear (32).
3. a kind of fall arrest well lid of municipal works according to claim 1, it is characterised in that: (21) are enclosed in the engaging
It is placed in the lower section of manhole cover body (3), and it is equal with the diameter of manhole cover body (3) to engage circle (21).
4. a kind of fall arrest well lid of municipal works according to claim 1, it is characterised in that: the lower limiting board
(41) and the diameter of upper limit plate (42) is all larger than the diameter that ponding exports (241), lower limiting board (41) and upper limit plate (42)
The distance between be greater than twice of fall arrest bottom plate (24) thickness.
5. a kind of fall arrest well lid of municipal works according to claim 1, it is characterised in that: the sliding block (441)
For cylindrical structure, sliding block (441) is flexibly connected with sliding slot (25).
6. a kind of fall arrest well lid of municipal works according to claim 1, it is characterised in that: first spring
(45) the length for being shorter in length than second spring (46), sealing plate (44) are inclined to set, and the first spring (45) is connected to anti-fall
Side of the bottomed plate (24) close to water outlet (23).
7. a kind of fall arrest well lid of municipal works according to claim 1, it is characterised in that: first telescopic rod
(47) and the second telescopic rod (48) includes interior bar (471) and outer bar (472), and interior bar (471) is flexibly connected with outer bar (472).
8. a kind of fall arrest well lid of municipal works according to claim 7, it is characterised in that: the interior bar (471)
Lower end be connected with limited block, the upper end of interior bar (471) is flexibly connected with the second shaft (445), the lower end of outer bar (472) and anti-
Bottom plate (24) upper surface of falling is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840122.4A CN110468881B (en) | 2019-09-06 | 2019-09-06 | Municipal works are used prevent well lid that falls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840122.4A CN110468881B (en) | 2019-09-06 | 2019-09-06 | Municipal works are used prevent well lid that falls |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110468881A true CN110468881A (en) | 2019-11-19 |
| CN110468881B CN110468881B (en) | 2020-12-18 |
Family
ID=68515029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910840122.4A Active CN110468881B (en) | 2019-09-06 | 2019-09-06 | Municipal works are used prevent well lid that falls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110468881B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111608255A (en) * | 2020-07-09 | 2020-09-01 | 段鹏 | An urban waterlogging prevention manhole cover |
| CN112031033A (en) * | 2020-08-21 | 2020-12-04 | 安徽双松机电制造有限公司 | Reinforced composite well cover |
| CN113368669A (en) * | 2021-06-21 | 2021-09-10 | 合肥智测电子有限公司 | Water-gas separation structural component |
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| KR20100064422A (en) * | 2008-12-05 | 2010-06-15 | 이민호 | A manholr cover has structure for destroy a bad smell |
| US20140169876A1 (en) * | 2012-12-13 | 2014-06-19 | EJ USA, Inc. | Explosion mitigating cover |
| CN203795470U (en) * | 2014-04-15 | 2014-08-27 | 合肥市市政设计院有限公司 | Rotating and fastening type anti-falling grid |
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| CN112031033A (en) * | 2020-08-21 | 2020-12-04 | 安徽双松机电制造有限公司 | Reinforced composite well cover |
| CN113368669A (en) * | 2021-06-21 | 2021-09-10 | 合肥智测电子有限公司 | Water-gas separation structural component |
| CN113368669B (en) * | 2021-06-21 | 2023-01-13 | 合肥智测电子有限公司 | Water-gas separation structural component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110468881B (en) | 2020-12-18 |
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Denomination of invention: An anti falling well cover for Municipal Engineering Effective date of registration: 20210611 Granted publication date: 20201218 Pledgee: Limited by Share Ltd, Anhui rural commercial bank, Limited by Share Ltd. Pledgor: ANHUI FEILONG NEW MATERIAL Co.,Ltd. Registration number: Y2021980004631 |