CN108999216A - It can Fast Installation formula well lid made of a kind of environment-friendly composite material - Google Patents
It can Fast Installation formula well lid made of a kind of environment-friendly composite material Download PDFInfo
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- CN108999216A CN108999216A CN201810969340.3A CN201810969340A CN108999216A CN 108999216 A CN108999216 A CN 108999216A CN 201810969340 A CN201810969340 A CN 201810969340A CN 108999216 A CN108999216 A CN 108999216A
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- Prior art keywords
- fixedly installed
- well lid
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- composite material
- installation part
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- 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
- E02D29/1472—Cover entirely made of synthetic material
-
- 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
- E02D29/149—Annular gaskets
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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)
- Road Paving Structures (AREA)
Abstract
The present invention relates to well lid technical fields, and disclose made of a kind of environment-friendly composite material can Fast Installation formula well lid, including roadbed, pressing pad is equipped at the top of the roadbed, the top contact of the pressing pad has installation part, the top right end of the installation part is fixedly installed with fixed block, the fixed block is movably installed with mobile bar by shaft, the left end of the mobile bar is fixedly installed with the top cover above installation part, installation side lever is fixedly installed on the left of the top cover, the left end of the installation side lever is fixedly installed with fixed link.It can Fast Installation formula well lid made of the environment-friendly composite material, to be clamped bar promotion secondary spring contraction by being inserted into shank, it is connected to card slot simultaneously, realize the fixation of installation part and roadbed, pull pull ring that secondary spring may make to push clamping block and exact separation, structure on i.e. detachable entire installation part, realizes the effect of its Fast Installation and disassembly.
Description
Technical field
It, can Fast Installation formula well lid made of specially a kind of environment-friendly composite material the present invention relates to well lid technical field.
Background technique
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 and Resin man-hole cover etc., it is general using circle, it can be used for greenbelt, pavement, motor vehicle
Road, harbour and lane etc., can be divided into it is round and rectangular, it is general using round in terms of the road administration in urban district, because of circular well lid
It is not easy to tilt, can preferably protect the safety of pedestrian and vehicle, be utilized in the country with cable shaft, generally using rectangular,
In this way can the liquid such as preferably pre- rainwater-proof entrance.
It can be seen that existing town road basis is set with the development of society, the road in city increasingly extends in all direction
It applies well lid to be on the way seen everywhere, when it is to need to open well lid to carry out relevant maintenance or operation that municipal works, which go wrong,
Since well lid is too heavy, it is not easy to its replacement and installation, labor intensity is too big, causes rising or the duration of maintenance cost
Delay.
To a kind of hydraulic safe well lid that 206721927 U of this Chinese patent CN is proposed, which facilitates its staff
It is opened and closed, convenient for unified management, but the manhole cover structure excessively complexity is unfavorable for installing, and the material used is mostly steel
Structure processed, it is too many for urban operating mechanism well lid quantity, its production cost is increased, the sustainable development of society is unfavorable for, so
It is proposed made of a kind of environment-friendly composite material can Fast Installation formula well lid solve the above problems.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides made of a kind of environment-friendly composite material can Fast Installation formula well lid, tool
It is standby can Fast Installation the advantages that, solve the problems, such as that manhole cover structure is excessively complicated and be unfavorable for installation and manufacturing cost is excessively high.
(2) technical solution
To realize above-mentioned quick-installed purpose, the invention provides the following technical scheme: made of a kind of environment-friendly composite material
Can Fast Installation formula well lid, including roadbed is equipped with pressing pad at the top of the roadbed, and the top contact of the pressing pad has peace
Piece installing, the top right end of the installation part are fixedly installed with fixed block, and the fixed block is movably installed with mobile bar by shaft,
The left end of the mobile bar is fixedly installed with the top cover above installation part, and installation side is fixedly installed on the left of the top cover
The left end of bar, the installation side lever is fixedly installed with fixed link, casing is socketed in the solid rod, the bottom of the top cover is fixed
The positioning ring extended to inside installation part is installed, the inside of the installation part is fixedly installed with the sealing contacted with positioning ring
Block, the bottom of the top cover are fixedly installed with the fixture block positioned at positioning ring left and with installation part clamping, the bottom of the top cover
It is fixedly installed with and is located inside positioning ring and extends to the fixed cylinder inside installation part, the bottom of the fixed cylinder is fixedly installed with
Bottom plate, the left and right sides of the bottom plate are fixedly installed with fitting block, and two fasteners are connected at the top of the roadbed, described
It is plugged with two fasteners for extending through two fasteners at the top of installation part, is plugged with grafting at the top of the fastener
Bar, the internal activity of the fastener are equipped with the clamping block contacted with shank, and the inside of the fastener offers and blocks
The corresponding card slot of block is connect, the inside of the card slot is fixedly installed with the secondary spring contacted with clamping block, the top of the shank
Portion is fixedly installed with pull ring.
The top cover includes scuff-resistant coating, and the bottom of the scuff-resistant coating is equipped with decompression layer, and the bottom of the decompression layer is laid with
There is supporting course, the bottom of the supporting course is equipped with adsorption layer, and the bottom of the adsorption layer is equipped with sealant, the scuff-resistant coating
Top be plugged with through decompression layer, supporting course, adsorption layer and sealant communicating pipe.
Preferably, the bottom of the installation part offers annular groove, and sealing block is located in annular groove.
Preferably, the height of the positioning ring is greater than the depth of annular groove, and the bottom of positioning ring is equipped with rubber pad.
Preferably, the inside of the fastener offers L shape through-hole, and shank and clamping block are respectively positioned in through-hole.
Preferably, the scuff-resistant coating can be nitrile rubber, and material can form for butadiene and acrylonitrile through emulsion copolymerization,
The outer surface of its scuff-resistant coating offers multiple irregular non-slip grooves.
Preferably, the top of the decompression layer is spring energy-storage sealing ring, and bottom is decompression foam, spring energy-storage sealing ring
Silica gel particle is filled between decompression foam.
Preferably, the production raw material of the supporting course have waste plastic, original state coal ash and fiber, and raw material pass through mould
New Regenerated resin composite materials are made in pressure and drawing process.
Preferably, the adsorption layer be foam concrete filling, production raw material using sulphate aluminium cement, flyash,
Expanded perlite and a certain amount of foam.
Preferably, the sealant is that plant fiber and resin are mixed, and the component ratio of plant fiber and resin is
One to two.
(3) beneficial effect
Compared with prior art, the present invention provides made of a kind of environment-friendly composite material can Fast Installation formula well lid, have with
It is lower the utility model has the advantages that
1, made of the environment-friendly composite material can Fast Installation formula well lid, pass through the roadbed at the fastener of setting and installation well lid
Clamping, provides the stable substrate in entire well lid installation process, after fastener is inserted into fastener inside, is inserted by being inserted into
Extension bar to be clamped bar promotion secondary spring contraction, while being connected to card slot, realizes the fixation of installation part and roadbed, setting
Positioning ring is bonded with sealing block, so that top cover is stablized to place is less prone to shaking on mountings, when vehicle passes through well lid surface
When, the rubber pad that positioning ring bottom is arranged in will mitigate the shake of its generation, jolt when vehicle being avoided to pass through, when needs are torn open
When unloading the well lid, pull pull ring that secondary spring may make to push clamping block and exact separation, i.e., detachably on entire installation part
Structure, realize the effect of its Fast Installation and disassembly.
2, made of the environment-friendly composite material can Fast Installation formula well lid multilayered structure used by the top cover of setting
Combination, the scuff-resistant coating of setting can effectively reduce the abrasion generated when vehicle passes through, and increase rubbing between driving vehicle wheel
Power is wiped, it is avoided to break away, the decompression layer of setting can alleviate pressure when its top carrying weight, its hard stress is avoided to cause
The supporting course of manhole cover damage, setting uses New Regenerated resin composite materials, instead of traditional well lid steel, timber and cement
Use, be conducive to the protection of environment, reduce the wasting of resources, promote its feature of environmental protection, the adsorption layer of setting it have it is energy-efficient low
The foam concrete of cost is filled, and the heat of well lid generation can be adsorbed in hot weather, guarantees that it is not easy by suncrack, promotion makes
With the service life, entire well lid reduces the use of its iron and steel material quality, improves service life, in a disguised form reduces energy loss, has
The advantages of high-environmental.
Detailed description of the invention
Fig. 1 is can Fast Installation formula manhole cover structure schematic diagram made of a kind of environment-friendly composite material of the present invention；
Fig. 2 be made of a kind of environment-friendly composite material of the present invention can in Fast Installation formula well lid Fig. 1 A enlarged drawing；
Fig. 3 be made of a kind of environment-friendly composite material of the present invention can Fast Installation formula well lid top cover cross-sectional view.
In figure: 1 roadbed, 2 pressing pads, 3 installation parts, 4 fixed blocks, 5 mobile bars, 6 shafts, 7 top covers, 71 scuff-resistant coatings, 72 subtract
Pressurized layer, 73 supporting courses, 74 adsorption layers, 75 sealants, 76 communicating pipes, 8 installation side levers, 9 fixed links, 10 casings, 11 positioning rings, 12
Sealing block, 13 fixture blocks, 14 fixed cylinders, 15 bottom plates, 16 fitting blocks, 17 fasteners, 18 fasteners, 19 shanks, 20 clamping blocks, 21
Card slot, 22 secondary springs, 23 pull rings.
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.
Please refer to Fig. 1-3, made of a kind of environment-friendly composite material can Fast Installation formula well lid, made of environment-friendly composite material
Can Fast Installation formula well lid, including roadbed 1, the top of roadbed 1 is equipped with pressing pad 2, and the top contact of pressing pad 2 has installation part
3, the top right end of installation part 3 is fixedly installed with fixed block 4, and fixed block 4 is movably installed with mobile bar 5, mobile bar by shaft 6
5 left end is fixedly installed with the top cover 7 above installation part 3, and the left side of top cover 7 is fixedly installed with installation side lever 8, installs side
The left end of bar 8 is fixedly installed with fixed link 9, and casing 10 is socketed in solid rod 9, and the bottom of top cover 7, which is fixedly installed with, extends to peace
Positioning ring 11 inside piece installing 3, the height of positioning ring 11 is greater than the depth of annular groove, and the bottom of positioning ring 11 is equipped with rubber
Pad, the inside of installation part 3 are fixedly installed with the sealing block 12 contacted with positioning ring 11, and the bottom of installation part 3 offers annular groove,
Sealing block 12 is located in annular groove, and the bottom of top cover 7 is fixedly installed with the card positioned at 11 left of positioning ring and with the clamping of installation part 3
Block 13, the bottom of top cover 7 is fixedly installed with positioned at 11 inside of positioning ring and extends to the fixed cylinder 14 inside installation part 3, fixed
The bottom of cylinder 14 is fixedly installed with bottom plate 15, and the left and right sides of bottom plate 15 is fixedly installed with fitting block 16, the top card of roadbed 1
Fastener 17 there are two connecing, the top of installation part 3 is plugged with two fasteners 18 for extending through two fasteners 17, fastener
18 top is plugged with shank 19, and the internal activity of fastener 18 is equipped with the clamping block 20 contacted with shank 19, engaging
The inside of part 18 offers L shape through-hole, and shank 19 and clamping block 20 are respectively positioned in through-hole, and the inside of fastener 17 offers
Card slot 21 corresponding with clamping block 20, the inside of card slot 21 are fixedly installed with the secondary spring 22 contacted with clamping block 20, grafting
The top of bar 19 is fixedly installed with pull ring 23, is clamped, is provided whole by the roadbed 1 at the fastener 17 and installation well lid of setting
Stable substrate in a well lid installation process is made after fastener 18 is inserted into 17 inside of fastener by being inserted into shank 19
Bar 20, which must be clamped, pushes secondary spring 22 to shrink, while being connected to card slot 21, realizes the fixation of installation part 3 Yu roadbed 1, is arranged
Positioning ring 11 be bonded with sealing block 12 be placed on installation part 3 so that top cover 7 is stablized and be less prone to shakings, when vehicle process
When well lid surface, the rubber pad that 11 bottom of positioning ring is arranged in will mitigate the shake of its generation, run when vehicle being avoided to pass through
It winnows with a dustpan, when needing to dismantle the well lid, pulls pull ring 23 to may make secondary spring 22 that clamping block 20 is pushed to separate with card slot 21, i.e.,
Structure on detachable entire installation part 3, realizes the effect of its Fast Installation and disassembly.
Top cover 7 includes scuff-resistant coating 71, and scuff-resistant coating 71 can be nitrile rubber, and material can be butadiene and acrylonitrile through lotion
It is copolymerized, the outer surface of scuff-resistant coating 71 offers multiple irregular non-slip grooves, and the bottom of scuff-resistant coating 71 is equipped with decompression
Layer 72, decompression layer 72 top be spring energy-storage sealing ring, bottom be decompression foam, spring energy-storage sealing ring and decompression foam it
Between be filled with silica gel particle, the bottom of decompression layer 72 is equipped with supporting course 73, the production raw material of supporting course 73 have waste plastic,
New Regenerated resin composite materials are made by molding and drawing process in original state coal ash and fiber, raw material, supporting course 73
Bottom is equipped with adsorption layer 74, and adsorption layer 74 is foam concrete filling, and production raw material uses sulphate aluminium cement, fine coal
Ash, expanded perlite and a certain amount of foam, the bottom of adsorption layer 74 are equipped with sealant 75, sealant 75 be plant fiber and
Resin is mixed, and the component ratio of plant fiber and resin is one to two, and the top of scuff-resistant coating 71 is plugged with through decompression layer
72, the communicating pipe 76 of supporting course 73, adsorption layer 74 and sealant 75 uses multilayered structure to combine by the top cover 7 of setting,
The scuff-resistant coating 71 of setting can effectively reduce the abrasion generated when vehicle passes through, and increase the friction between driving vehicle wheel
Power avoids it from breakking away, and the decompression layer 72 of setting can alleviate pressure when its top carrying weight, its hard stress is avoided to cause
The supporting course 73 of manhole cover damage, setting uses New Regenerated resin composite materials, instead of traditional well lid steel, timber and cement
Use, be conducive to the protection of environment, reduce the wasting of resources, promote its feature of environmental protection, the adsorption layer 74 of setting it have efficient section
Foam concrete that can be inexpensive is filled, and the heat of well lid generation can be adsorbed in hot weather, guarantees that it is not easy to be mentioned by suncrack
Service life is risen, entire well lid reduces the use of its iron and steel material quality, improves service life, in a disguised form reduce energy loss,
Has the advantages of high-environmental.
In conclusion made of the environment-friendly composite material can Fast Installation formula well lid, pass through the fastener 17 of setting and peace
It fills the roadbed 1 at well lid to be clamped, provides the stable substrate in entire well lid installation process, when fastener 18 is inserted into fastener
Behind 17 inside, to be clamped the promotion contraction of secondary spring 22 of bar 20 by being inserted into shank 19, while being connected to card slot 21, realize
The fixation of installation part 3 and roadbed 1, the positioning ring 11 of setting are bonded with sealing block 12, so that the stabilization of top cover 7 is placed on installation part
Shaking is less prone on 3, when vehicle passes through well lid surface, the rubber pad that 11 bottom of positioning ring is arranged in will mitigate its generation
Shake, jolts when vehicle being avoided to pass through, and when needing to dismantle the well lid, pull ring 23 is pulled secondary spring 22 to may make to push away
Dynamic clamping block 20 is separated with card slot 21, i.e., the structure on detachable entire installation part 3 realizes the effect of its Fast Installation and disassembly
Fruit.
Also, by the top cover 7 of setting, multilayered structure is used to combine, the scuff-resistant coating 71 of setting can effectively reduce vehicle
The abrasion generated when passing through, and increase the frictional force between driving vehicle wheel, avoid it from breakking away, the decompression layer of setting
72 can alleviate pressure when its top carrying weight, avoid its hard stress from leading to manhole cover damage, the supporting course 73 of setting is using new
Type recycled plastics are conducive to the protection of environment instead of the use of traditional well lid steel, timber and cement, reduce
The wasting of resources, promotes its feature of environmental protection, its foam concrete filling for having energy-efficient low cost of the adsorption layer 74 of setting, can be
The heat that well lid generates is adsorbed in hot weather, guarantees that it is not easy to promote service life by suncrack, entire well lid reduces its steel
The use of iron material matter improves service life, in a disguised form reduces energy loss, has the advantages of high-environmental.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. made of a kind of environment-friendly composite material can Fast Installation formula well lid, including roadbed (1), it is characterised in that: the roadbed
(1) pressing pad (2) is equipped at the top of, the top contact of the pressing pad (2) has installation part (3), the top of the installation part (3)
Portion's right end is fixedly installed with fixed block (4), and the fixed block (4) is movably installed with mobile bar (5), the shifting by shaft (6)
The left end of lever (5) is fixedly installed with the top cover (7) above installation part (3), is fixedly installed on the left of the top cover (7)
It installs side lever (8), the left end of installation side lever (8) is fixedly installed with fixed link (9), is socketed with casing on the solid rod (9)
(10), the bottom of the top cover (7), which is fixedly installed with, extends to the internal positioning ring (11) of installation part (3), the installation part (3)
Inside be fixedly installed with the sealing block (12) contacted with positioning ring (11), the bottom of the top cover (7), which is fixedly installed with, to be located at
Positioning ring (11) left and the fixture block (13) being clamped with installation part (3), the bottom of the top cover (7), which is fixedly installed with, is located at positioning
Ring (11) is internal and extends to the internal fixed cylinder (14) of installation part (3), and the bottom of the fixed cylinder (14) is fixedly installed with bottom
Plate (15), the left and right sides of the bottom plate (15) are fixedly installed with fitting block (16), are connected with two at the top of the roadbed (1)
A fastener (17) is plugged with two fasteners (18) for extending through two fasteners (17) at the top of the installation part (3),
It is plugged with shank (19) at the top of the fastener (18), the internal activity of the fastener (18) is equipped with and shank
(19) clamping block (20) contacted, the inside of the fastener (17) offers card slot (21) corresponding with clamping block (20), institute
The inside for stating card slot (21) is fixedly installed with the secondary spring (22) contacted with clamping block (20), the top of the shank (19)
It is fixedly installed with pull ring (23)；
The top cover (7) includes scuff-resistant coating (71), and the bottom of the scuff-resistant coating (71) is equipped with decompression layer (72), the decompression layer
(72) bottom is equipped with supporting course (73), and the bottom of the supporting course (73) is equipped with adsorption layer (74), the adsorption layer
(74) bottom is equipped with sealant (75), is plugged at the top of the scuff-resistant coating (71) through decompression layer (72), supporting course
(73), the communicating pipe (76) of adsorption layer (74) and sealant (75).
2. can Fast Installation formula well lid made of a kind of environment-friendly composite material according to claim 1, it is characterised in that: institute
The bottom for stating installation part (3) offers annular groove, and sealing block (12) is located in annular groove.
3. made of a kind of environment-friendly composite material according to claim 1 or 2 can Fast Installation formula well lid, feature exists
In: the height of the positioning ring (11) is greater than the depth of annular groove, and the bottom of positioning ring (11) is equipped with rubber pad.
4. can Fast Installation formula well lid made of a kind of environment-friendly composite material according to claim 1, it is characterised in that: institute
The inside for stating fastener (18) offers L shape through-hole, and shank (19) and clamping block (20) are respectively positioned in through-hole.
5. can Fast Installation formula well lid made of a kind of environment-friendly composite material according to claim 1, it is characterised in that: institute
Stating scuff-resistant coating (71) can be nitrile rubber, and material can form for butadiene and acrylonitrile through emulsion copolymerization, scuff-resistant coating (71)
Outer surface offer multiple irregular non-slip grooves.
6. can Fast Installation formula well lid made of a kind of environment-friendly composite material according to claim 1, it is characterised in that: institute
State decompression layer (72) top be spring energy-storage sealing ring, bottom be decompression foam, spring energy-storage sealing ring and decompression foam it
Between be filled with silica gel particle.
7. can Fast Installation formula well lid made of a kind of environment-friendly composite material according to claim 1, it is characterised in that: institute
The production raw material for stating supporting course (73) have waste plastic, original state coal ash and fiber, and raw material are by molding and drawing process
New Regenerated resin composite materials are made.
8. can Fast Installation formula well lid made of a kind of environment-friendly composite material according to claim 1, it is characterised in that: institute
Adsorption layer (74) is stated as foam concrete filling, production raw material uses sulphate aluminium cement, flyash, expanded perlite and one
Quantitative foam.
9. can Fast Installation formula well lid made of a kind of environment-friendly composite material according to claim 1, it is characterised in that: institute
Stating sealant (75) is that plant fiber and resin are mixed, and the component ratio of plant fiber and resin is one to two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810969340.3A CN108999216A (en) | 2018-08-23 | 2018-08-23 | It can Fast Installation formula well lid made of a kind of environment-friendly composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810969340.3A CN108999216A (en) | 2018-08-23 | 2018-08-23 | It can Fast Installation formula well lid made of a kind of environment-friendly composite material |
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| Publication Number | Publication Date |
|---|---|
| CN108999216A true CN108999216A (en) | 2018-12-14 |
Family
ID=64592849
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810969340.3A Pending CN108999216A (en) | 2018-08-23 | 2018-08-23 | It can Fast Installation formula well lid made of a kind of environment-friendly composite material |
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| CN (1) | CN108999216A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878563A (en) * | 2019-12-08 | 2020-03-13 | 怀化三通交通设施工程有限公司 | Prevent high temperature intelligence well lid |
| CN114062063A (en) * | 2021-12-08 | 2022-02-18 | 南京淡水谷电力科技有限公司 | Fixed proportion dilution method sampler |
| CN115288200A (en) * | 2022-08-05 | 2022-11-04 | 安徽科尼盛机电科技有限责任公司 | Road composite well lid with safety device |
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|---|---|---|---|---|
| CN110878563A (en) * | 2019-12-08 | 2020-03-13 | 怀化三通交通设施工程有限公司 | Prevent high temperature intelligence well lid |
| CN114062063A (en) * | 2021-12-08 | 2022-02-18 | 南京淡水谷电力科技有限公司 | Fixed proportion dilution method sampler |
| CN114062063B (en) * | 2021-12-08 | 2024-01-23 | 南京淡水谷电力科技有限公司 | Sampler by fixed-proportion dilution method |
| CN115288200A (en) * | 2022-08-05 | 2022-11-04 | 安徽科尼盛机电科技有限责任公司 | Road composite well lid with safety device |
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