CN110468881B - Municipal works are used prevent well lid that falls - Google Patents

Municipal works are used prevent well lid that falls Download PDF

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Publication number
CN110468881B
CN110468881B CN201910840122.4A CN201910840122A CN110468881B CN 110468881 B CN110468881 B CN 110468881B CN 201910840122 A CN201910840122 A CN 201910840122A CN 110468881 B CN110468881 B CN 110468881B
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China
Prior art keywords
falling
well lid
spring
clamping
bottom plate
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CN201910840122.4A
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Chinese (zh)
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CN110468881A (en
Inventor
李启龙
李�杰
胡成庆
李吉道
资同豪
吴少斌
周磊
袁亚军
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Anhui Feilong New Material Co ltd
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Anhui Feilong New Material Co ltd
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Priority to CN201910840122.4A priority Critical patent/CN110468881B/en
Publication of CN110468881A publication Critical patent/CN110468881A/en
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Publication of CN110468881B publication Critical patent/CN110468881B/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/12Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14Covers for manholes or the like; Frames for covers
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/12Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14Covers for manholes or the like; Frames for covers
    • E02D29/1481Security devices, e.g. indicating unauthorised opening

Abstract

The invention discloses an anti-falling well lid for municipal engineering, which comprises a base, wherein clamping grooves are formed in inner rings of the base at equal intervals, an anti-falling sleeve is connected in the clamping grooves in a clamping mode, a well lid opening is formed in the base at the upper end of the clamping grooves, a well lid body is clamped in the well lid opening, a water inlet is formed in the well lid body, fixing lugs are symmetrically connected to the outer wall of the well lid body and connected with the base through bolt bolts, and a clamping ring is fixedly connected to the upper end of the anti-falling sleeve. According to the anti-falling well lid for municipal engineering, the well lid body has a road surface protection effect, drainage is convenient, a dual anti-falling function can be achieved when the well lid body is damaged, the anti-falling effect is good, the safety performance is improved, in addition, the anti-falling bottom plate is provided with the accumulated water outlet and is movably connected with the movable rod, the accumulated water outlet is used for discharging water in a water channel in extreme weather, and the potential safety hazard caused by flushing the well lid away due to overlarge water pressure in a sewer is prevented.

Description

Municipal works are used prevent well lid that falls
Technical Field
The invention relates to the technical field of municipal manhole covers, in particular to a falling-proof manhole cover for municipal engineering.
Background
At present, the well lid generally covers on the inspection well, and the well lid is stolen and damaged easily, has lost the accident that the pedestrian dropped often takes place for the inspection well of well lid. In order to solve the problems, the anti-falling net is arranged on the market and fixed on the wall of an inspection well, when a pedestrian falls, the anti-falling net can play a role in protection, but the anti-falling net is made of nylon and is easy to age, easy to corrode after being soaked in sewage for a long time, insufficient in bearing capacity and still dangerous. And the existing well cover does not have a deodorization function, and the smell in the sewer is easy to drift to the upper part, thereby polluting the environment.
Disclosure of Invention
The invention aims to provide a falling-preventing well lid for municipal engineering, which can effectively prevent falling, improve road safety, has good sealing performance and is convenient for water drainage, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a falling-proof well lid for municipal engineering comprises a base, wherein clamping grooves are formed in inner rings of the base at equal intervals, falling-proof sleeves are connected in the clamping grooves in a clamping mode, a well lid opening is formed in the base at the upper end of the clamping grooves, a well lid body is clamped in the well lid opening, a water inlet is formed in the well lid body, fixing lugs are symmetrically connected to the outer wall of the well lid body and connected with the base through bolt bolts, clamping rings are fixedly connected to the upper end of the falling-proof sleeves and clamped with the well lid opening, hand grooves are symmetrically formed in two sides of the clamping rings, falling-proof sleeves below the clamping rings are connected with clamping strips at equal intervals, the clamping strips are connected with the clamping grooves in a clamping mode, water outlets are formed in the falling-proof sleeves on one sides of the clamping strips, damping hinges are installed at the upper ends of the water outlets, a water accumulation outlet is arranged at the central position of the anti-falling bottom plate, a movable rod penetrates through the water accumulation outlet, sliding grooves are symmetrically arranged on the inner wall of the anti-falling sleeve, one end of the movable rod, which is arranged below the anti-falling bottom plate, is fixedly connected with a lower limiting plate, the movable rod is fixedly connected with an upper limiting plate, the upper end of the movable rod is provided with a through hole, the through hole is movably connected with a sealing plate, two sides of the side wall of the sealing plate are symmetrically connected with sliding blocks, a first groove is arranged at the central position of the lower surface of the sealing plate, a first rotating shaft penetrates through the first groove, the first rotating shaft penetrates through the through hole, second grooves are symmetrically arranged on the sealing plates at two sides of the first groove, a second rotating shaft penetrates through the second groove, the second rotating shaft is respectively connected with a first spring and a second spring, and hooks are respectively connected, the couple closes with the second pivot hook respectively, the lower extreme of first spring and second spring respectively with the last fixed surface who prevents the bottom plate that falls be connected, first spring and second spring are inside to run through respectively has first telescopic link and second telescopic link, the length of first spring is shorter than the length of second spring, the closing plate is the slope setting, first spring coupling is preventing one side that the bottom plate is close to the delivery port of falling.
Preferably, the base is provided with an installation groove matched with the fixing lug.
Preferably, the clamping ring is arranged below the well lid body, and the diameter of the clamping ring is equal to that of the well lid body.
Preferably, the diameters of the lower limiting plate and the upper limiting plate are larger than the diameter of the accumulated water outlet, and the distance between the lower limiting plate and the upper limiting plate is larger than the thickness of the double anti-falling bottom plate.
Preferably, the sliding block is of a cylindrical structure and is movably connected with the sliding groove.
Preferably, the first telescopic rod and the second telescopic rod both comprise an inner rod and an outer rod, and the inner rod is movably connected with the outer rod.
Preferably, the lower end of the inner rod is connected with a limiting block, the upper end of the inner rod is movably connected with the second rotating shaft, and the lower end of the outer rod is fixedly connected with the upper surface of the anti-falling bottom plate.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a falling-proof well lid for municipal engineering, which is characterized in that an falling-proof sleeve and a well lid body are fixedly arranged on a base, the well lid body has the road surface protection function and is convenient for water drainage, the bottom of the falling-proof sleeve is connected with a falling-proof bottom plate and a sealing plate, the well lid body can play the double falling-proof function when being damaged, the falling-proof effect is good, the safety performance is improved, in addition, a water accumulation outlet is arranged on the falling-proof bottom plate and is movably connected with a movable rod, the water is discharged into a sewer under extreme weather, the water pressure in the sewer is prevented from being too high, the well lid is washed away to leave the potential safety hazard, in addition, the sealing plate is clamped and sealed with the falling-proof sleeve, the peculiar smell in the sewer is effectively prevented from floating, the environment is protected, meanwhile, a damping hinge controls a closing door to close, the, the inclined sealing plate facilitates sewage collection and realizes quick drainage.
Drawings
FIG. 1 is a top view of a base of the present invention;
FIG. 2 is an overall structural view of the present invention;
FIG. 3 is a structural view of the anti-fall sleeve of the present invention;
FIG. 4 is a diagram of the drainage operation of the present invention;
FIG. 5 is a view showing the structure of the movable bar of the present invention;
FIG. 6 is a diagram showing the operation of the overflow of the present invention;
FIG. 7 is a bottom view of the seal plate of the present invention;
FIG. 8 is a first spring structure view of the present invention;
FIG. 9 is an enlarged view of A of the present invention.
In the figure: 1. a base; 11. a card slot; 12. a well cover opening; 13. mounting grooves; 2. the falling prevention sleeve; 21. a clamping ring; 211. a hand-held slot; 22. clamping the strip; 23. a water outlet; 231. a damping hinge; 232. closing the door; 24. a fall protection bottom plate; 241. a ponding outlet; 25. a chute; 3. a well lid body; 31. a water inlet; 32. fixing the ear; 4. a movable rod; 41. a lower limiting plate; 42. an upper limiting plate; 43. a through hole; 44. a sealing plate; 441. a slider; 442. a first groove; 443. a first rotating shaft; 444. a second groove; 445. a second rotating shaft; 45. a first spring; 451. hooking; 46. a second spring; 47. a first telescopic rod; 471. an inner rod; 472. an outer rod; 48. and a second telescopic rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-2, a municipal works is with preventing well lid that falls, including base 1, the inner circle equidistance of base 1 has seted up draw-in groove 11, snap fit is connected with prevents that it falls to prevent that cover 2 falls in the draw-in groove 11, seted up well lid mouth 12 on the base 1 of draw-in groove 11 upper end, the interior snap fit of well lid mouth 12 has well lid body 3, the last water inlet 31 of having seted up of well lid body 3, the symmetric connection has fixed ear 32 on the outer wall of well lid body 3, set up on the base 1 with fixed ear 32 assorted mounting groove 13, fixed ear 32 is connected with base 1 through the bolt, be used for fixed well lid.
Referring to fig. 3-4, the upper end of the anti-falling sleeve 2 is fixedly connected with a clamping ring 21, the clamping ring 21 is disposed below the well lid body 3, the diameter of the clamping ring 21 is equal to that of the well lid body 3, the clamping ring 21 is used for fixing the position of the anti-falling sleeve 2, meanwhile, when the well lid body 3 is taken down during maintenance, the anti-falling sleeve 2 can be disassembled, the clamping ring 21 is clamped with the well lid opening 12, the two sides of the clamping ring 21 are symmetrically provided with a portable groove 211, the portable groove 211 is convenient for disassembly and assembly, the anti-falling sleeve 2 below the clamping ring 21 is equidistantly connected with a clamping strip 22, the clamping strip 22 is clamped with a clamping groove 11, the anti-falling sleeve 2 on one side of the clamping strip 22 is provided with a water outlet 23, the upper end of the water outlet 23 is provided with a damping hinge 231, the damping hinge 231 is provided with a closing door 232, the lower end of the anti-falling sleeve 2 is fixedly connected, the accumulated water outlet 241 is internally penetrated with a movable rod 4, and the inner wall of the anti-falling sleeve 2 is symmetrically provided with sliding grooves 25.
Referring to fig. 4-6, one end of the movable rod 4 disposed below the anti-falling bottom plate 24 is fixedly connected with a lower limiting plate 41, the movable rod 4 disposed above the anti-falling bottom plate 24 is fixedly connected with an upper limiting plate 42, the diameters of the lower limiting plate 41 and the upper limiting plate 42 are both larger than the diameter of the water accumulation outlet 241, under the self-weight, the upper limiting plate 42 sinks and is connected with the anti-falling bottom plate 24, the upper limiting plate 42 plays the role of fixing the movable rod 4 and blocking the water accumulation outlet 241 to achieve the sealing effect and prevent the odor of the lower part from drifting, the distance between the lower limiting plate 41 and the upper limiting plate 42 is more than twice the thickness of the anti-falling bottom plate 24, when the water accumulation in the sewer is too much and cannot be drained in time, the water level rises to push the lower limiting plate 41 to move upwards and block the water accumulation outlet 241 to open, so as to drain water quickly and prevent excessive water pressure from flushing the, the through hole 43 is movably connected with a sealing plate 44.
Referring to fig. 7-9, the sliding blocks 441 are symmetrically connected to two sides of the sidewall of the sealing plate 44, the sliding blocks 441 are cylindrical, the sliding blocks 441 are movably connected to the sliding slots 25, the sealing plate 44 can rotate around the sliding blocks 441 while moving up and down along the sliding slots 25, a first groove 442 is formed in the center of the lower surface of the sealing plate 44, a first rotating shaft 443 penetrates the first groove 442, the first rotating shaft 443 penetrates the through hole 43, second grooves 444 are symmetrically formed in the sealing plate 44 at two sides of the first groove 442, a second rotating shaft 445 penetrates the second groove 444, a first spring 45 and a second spring 46 are respectively connected to the second rotating shaft 445, hooks 451 are respectively connected to the upper ends of the first spring 45 and the second spring 46, lower ends of the first spring 45 and the second spring 46 are respectively fixedly connected to the upper surface of the anti-falling bottom plate 24, a first telescopic rod 47 and a second telescopic rod 48 penetrate the first spring 45 and the second spring 46, the length of the first spring 45 is shorter than that of the second spring 46, the sealing plate 44 is arranged in an inclined manner, when water is drained, sewage entering from the upper part falls onto the sealing plate 44, the inclined sealing plate 44 facilitates sewage gathering, the first spring 45 is connected to one side, close to the water outlet 23, of the anti-falling bottom plate 24, the sewage is gathered at one end, close to the first spring 45, of the sealing plate 44, the first spring 45 contracts, one end of the sealing plate 44 and the anti-falling sleeve 2 form an opening, the sewage flows out of the opening, the closing door 232 is pushed to be opened, the sewage is drained, the first telescopic rod 47 and the second telescopic rod 48 respectively comprise an inner rod 471 and an outer rod 472, the inner rod 471 is movably connected with the outer rod 472, in the state that the water is not drained, the inner rod 471 and the outer rod 472 of the first telescopic rod 47 are in the longest straightening state, the position of one end of the sealing plate, the upper end of the inner rod 471 is movably connected with the second rotating shaft 445, the lower end of the outer rod 472 is fixedly connected with the upper surface of the anti-falling bottom plate 24, and the inner rod 471 can move up and down in the outer rod 472.
The working process is as follows: when the anti-dropping cover is used, sewage enters from the water inlet 31 on the well lid body 3, falls onto the sealing plate 44 and is gathered at one end, close to the first spring 45, of the sealing plate 44, the first spring 45 contracts, one end of the sealing plate 44 and the anti-dropping cover 2 form an opening, the sewage flows out of the opening, the closing door 232 is pushed to open, the sewage is discharged, after the sewage is discharged, the closing door 232 is automatically closed under the action of the damping hinge 231 to play a sealing role, the upper limiting plate 42 blocks the accumulated water outlet 241 to achieve a sealing effect, one circle of the sealing plate 44 is clamped with the anti-dropping cover 2 to be sealed again, the odor of the lower part is prevented from scattering, the sealing plate 44 and the anti-dropping bottom plate 24 play two-layer protection roles, when the well lid body 3 above is damaged, pedestrians and vehicles on the road surface can be prevented from dropping into the well, in addition, in the weather of rain and sudden rising of, the limiting plate 41 shifts up under the promotion, drives movable rod 4 and moves up on the whole, blocks up ponding export 241 and opens, and ponding gets into prevents weighing down to fall in the cover 2, when lasting rising, then promotes closing plate 44 and shifts up, and under movable rod 4's effect, closing plate 44 can only overturn, and the both ends of closing plate 44 with prevent weighing down to fall cover 2 and form the opening, sewage overflow from the opening, finally discharge through well lid body 3, prevent that the inside water pressure of sewer is too big, washes away the well lid and leave the potential safety hazard.
In conclusion, the anti-falling well lid for municipal engineering provided by the invention has the advantages that the anti-falling sleeve 2 and the well lid body 3 are fixedly installed on the base 1, the well lid body 3 has the road surface protection function and is convenient to drain, the anti-falling bottom plate 24 and the sealing plate 44 are connected to the bottom of the anti-falling sleeve 2, the dual anti-falling function can be realized when the well lid body 3 is damaged, the anti-falling effect is good, the safety performance is improved, in addition, the anti-falling bottom plate 24 is provided with the accumulated water outlet 241 and is movably connected with the movable rod 4 for discharging the water in the sewer under extreme weather, the potential safety hazard caused by the fact that the water in the sewer is excessively high and the well lid is washed away is left, in addition, the sealing plate 44 is clamped and sealed with the anti-falling sleeve 2, the peculiar smell in the sewer is effectively prevented from floating, the environment is protected, the sealing plate 44 is arranged obliquely, and during drainage, sewage entering from the upper part falls onto the sealing plate 44, and the oblique sealing plate 44 facilitates sewage gathering to realize rapid drainage.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (7)

1. The utility model provides a well lid of preventing falling that municipal works were used, includes base (1), its characterized in that: the anti-falling cover is characterized in that clamping grooves (11) are formed in the inner ring of the base (1) at equal intervals, an anti-falling cover (2) is connected in the clamping grooves (11) in a clamping mode, a well cover opening (12) is formed in the base (1) at the upper end of the clamping grooves (11), a well cover body (3) is clamped in the well cover opening (12), a water inlet (31) is formed in the well cover body (3), fixing lugs (32) are symmetrically connected to the outer wall of the well cover body (3), the fixing lugs (32) are connected with the base (1) through bolt bolts, a clamping ring (21) is fixedly connected to the upper end of the anti-falling cover (2), the clamping ring (21) is clamped with the well cover opening (12), hand-lifting grooves (211) are symmetrically formed in two sides of the clamping ring (21), clamping strips (22) are connected on the anti-falling cover (2) at equal intervals below the clamping ring, a water outlet (23) is formed in the anti-falling sleeve (2) on one side of the clamping strip (22), a damping hinge (231) is installed at the upper end of the water outlet (23), a closing door (232) is installed on the damping hinge (231), a falling-preventing bottom plate (24) is fixedly connected to the lower end of the anti-falling sleeve (2), a water accumulation outlet (241) is formed in the central position of the falling-preventing bottom plate (24), a movable rod (4) penetrates through the water accumulation outlet (241), sliding grooves (25) are symmetrically formed in the inner wall of the falling-preventing sleeve (2), a lower limiting plate (41) is fixedly connected to one end, below the falling-preventing bottom plate (24), of the movable rod (4), an upper limiting plate (42) is fixedly connected to the position above the falling-preventing bottom plate (24), a through hole (43) is formed in the upper end of the movable rod (4), and a sealing, the two sides of the side wall of the sealing plate (44) are symmetrically connected with sliding blocks (441), a first groove (442) is formed in the center of the lower surface of the sealing plate (44), a first rotating shaft (443) penetrates through the first groove (442), a through hole (43) penetrates through the first rotating shaft (443), second grooves (444) are symmetrically formed in the sealing plate (44) on the two sides of the first groove (442), a second rotating shaft (445) penetrates through the second groove (444), a first spring (45) and a second spring (46) are respectively connected to the second rotating shaft (445), hooks (451) are respectively connected to the upper ends of the first spring (45) and the second spring (46), the hooks (451) are respectively hooked with the second rotating shaft (445), the lower ends of the first spring (45) and the second spring (46) are respectively fixedly connected with the upper surface of the anti-falling bottom plate (24), and first telescopic rods (47) and second telescopic rods (48) respectively penetrate through the inner portions of the first spring (45) and the second spring (46), the length of the first spring (45) is shorter than that of the second spring (46), the sealing plate (44) is obliquely arranged, and the first spring (45) is connected to one side, close to the water outlet (23), of the anti-falling bottom plate (24).
2. The anti-falling well lid for municipal engineering according to claim 1, wherein: the base (1) is provided with an installation groove (13) matched with the fixed lug (32).
3. The anti-falling well lid for municipal engineering according to claim 1, wherein: the clamping ring (21) is arranged below the well lid body (3), and the diameter of the clamping ring (21) is equal to that of the well lid body (3).
4. The anti-falling well lid for municipal engineering according to claim 1, wherein: the diameters of the lower limiting plate (41) and the upper limiting plate (42) are both larger than the diameter of the water accumulation outlet (241), and the distance between the lower limiting plate (41) and the upper limiting plate (42) is larger than twice the thickness of the anti-falling bottom plate (24).
5. The anti-falling well lid for municipal engineering according to claim 1, wherein: the sliding block (441) is of a cylindrical structure, and the sliding block (441) is movably connected with the sliding groove (25).
6. The anti-falling well lid for municipal engineering according to claim 1, wherein: the first telescopic rod (47) and the second telescopic rod (48) respectively comprise an inner rod (471) and an outer rod (472), and the inner rod (471) is movably connected with the outer rod (472).
7. The anti-falling well lid for municipal engineering according to claim 6, wherein: the lower end of the inner rod (471) is connected with a limiting block, the upper end of the inner rod (471) is movably connected with the second rotating shaft (445), and the lower end of the outer rod (472) is fixedly connected with the upper surface of the anti-falling bottom plate (24).
CN201910840122.4A 2019-09-06 2019-09-06 Municipal works are used prevent well lid that falls Active CN110468881B (en)

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CN201910840122.4A CN110468881B (en) 2019-09-06 2019-09-06 Municipal works are used prevent well lid that falls

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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

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CN110468881B true CN110468881B (en) 2020-12-18

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Publication number Priority date Publication date Assignee Title
CN111608255B (en) * 2020-07-09 2021-04-20 高平市隆兴泰农业机械制造有限公司 Urban waterlogging prevention inspection well 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
CN113368669B (en) * 2021-06-21 2023-01-13 合肥智测电子有限公司 Water-gas separation structural component

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101050057B1 (en) * 2008-12-05 2011-07-19 공병철 Manhole cover with odor prevention structure
US8784000B2 (en) * 2012-12-13 2014-07-22 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
CN205954695U (en) * 2016-07-29 2017-02-15 赵鸿基 Municipal administration is with buckle type inspection shaft lid
CN106592639B (en) * 2016-10-26 2018-08-28 周禹珺 A kind of underground pipe network inlet and outlet device of aperture in 400mm or more
CN207017409U (en) * 2017-07-27 2018-02-16 赖鑫 A kind of lower well safety device
CN109341306A (en) * 2018-11-16 2019-02-15 四川亿欣新材料有限公司 A kind of calcium carbonate powder drying equipment

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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