CN111270751A - Rainwater grate of drainage system - Google Patents
Rainwater grate of drainage system Download PDFInfo
- Publication number
- CN111270751A CN111270751A CN202010178204.XA CN202010178204A CN111270751A CN 111270751 A CN111270751 A CN 111270751A CN 202010178204 A CN202010178204 A CN 202010178204A CN 111270751 A CN111270751 A CN 111270751A
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- steel pipe
- rainwater grate
- steel grating
- steel
- plate
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 128
- 239000010959 steel Substances 0.000 claims abstract description 128
- 238000004140 cleaning Methods 0.000 claims abstract description 21
- 238000005192 partition Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 30
- 238000000034 method Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000004804 winding Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 244000007853 Sarothamnus scoparius Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
Abstract
The invention discloses a rainwater grate of a drainage system, and discloses the rainwater grate which is simple in structure, time-saving and labor-saving and is cleaned by driving a brush rod to rotate by utilizing treading pressure. The rainwater grate cleaning device is characterized in that an upper steel grating is arranged above a lower steel grating, a plurality of fixing frames are arranged on the outer side edge of the lower steel grating, a plurality of fixing frames are arranged on the inner side edge of the lower steel grating, the fixing frames and the fixing frames on the outer side edge of the lower steel grating are clamped on the inner side and the outer side of the upper steel grating in a one-to-one correspondence mode, a first steel pipe and a second steel pipe are arranged on the lower steel grating, and the first steel pipe is adjacent to the second steel pipe.
Description
Technical Field
The invention discloses a rainwater grate of a drainage system, relates to a rainwater grate for a road surface drainage port convenient to clean, and belongs to the field of municipal engineering. In particular to a rainwater grate which has simple structure, time and labor saving and is convenient for sanitation workers to use and utilizes the treading pressure to drive a brush rod to rotate for cleaning.
Background
The rainwater grate is a common sewage discharge accessory in an urban drainage system, is used at a drainage port of a municipal road surface and is used for blocking solid garbage during drainage, particularly for the rainwater grate used in the environment close to sewage pumped by dirty water, dirt is easily adhered among the grates, the dirt is deposited and blocked among gaps of the grate, the drainage effect is influenced, the rainwater grate is frequently cleaned and maintained when the rainwater grate is used on the road surface with more fallen leaves or other roads which are easy to rain and wash soil, otherwise normal drainage during the rain condition can be influenced, the rainwater grate cannot reach the designed drainage amount in a short time, and the rainwater grate is a factor which is easy to cause waterlogging in a lot of cities during rainstorm;
however, as the existing rainwater grate is more durable in consideration of high strength, the arrangement of a plurality of water inlet holes of the grate is dense, the gap is small, and the grate looks solid and durable, but is difficult to maintain and clean;
notice No. CN209144961U discloses a sewer steel grating, including steel grating and frame, steel grating and frame pass through the connecting axle connection, steel grating passes through two connecting rods of hinged joint respectively, two hinges are coaxial and parallel with the connecting axle, the connecting rod connects the slider, the slider is installed on frame, two sliders connect the push rod, the frame is equipped with the enclosed coiled material, the enclosed coiled material is installed on the dwang, the push rod is connected to one end of the enclosed coiled material, in the use of the transmission water-retaining grate, it adopts the design of single-layer steel grating, between the clearance of steel grating, it needs the regular maintenance and arrangement, and in the cleaning process, the clearance edge of steel grating is difficult to clean up fast, for the sanitation worker, it is clear up to bow one by one, consuming time, consuming effort, often only pay attention to whether the surface is clean, will not clear up for the clearance of steel grating, or the cleaning is less, and even the dust and fallen leaves on the roadside can enter the sewer through the steel grating, so the drainage effect is easily influenced;
notice CN205577086U discloses a rainwater grate, including rainwater grate body, distribution set up the wash port on rainwater grate body and set up the strengthening rib on rainwater grate body, rainwater grate body includes drainage face and loading surface, the wash port set up on the drainage face, the device is not convenient for in time clear up the maintenance. Particularly, for parts of southern areas which often rain, the rainwater grate needs frequent and frequent maintenance and cleaning, and many people need to bend over one by one to carefully clean the rainwater grate, so that the sanitation workers are time-consuming, labor-consuming and inconvenient to maintain;
more importantly, when the city is because of rainstorm waterlogging, the winding debris on the rainwater grate, the fallen leaves can seriously influence the work of rainwater grate, municipal maintainer, because the depth of water, in order to excrete the waterlogging that the rainstorm caused fast, often all can the direct selection pry the rainwater grate open, then the drainage, public safety is seriously endangered to this kind of mode, often because of the casualties that the income sewer or the outlet caused for urban waterlogging leads to cause, need one kind in daily time, be convenient for maintain, when waterlogging, the rainwater grate on it is cleared up in the fast maintenance.
Disclosure of Invention
In order to improve the situation, the rainwater grate for the drainage system has a simple structure, saves time and labor, and cleans by driving the brush rod to rotate by utilizing treading pressure. The rainwater grate cleaning device has the advantages that sanitation workers do not need to bend to clean the rainwater grate, only need to step on the rainwater grate without trouble, and can clean fallen leaves or winding objects on the rainwater grate only through stepping on the rainwater grate in rainstorm waterlogging, so that the defect that the existing rainwater grate is difficult to maintain in rainstorm waterlogging is overcome.
The rainwater grate of the drainage system is realized as follows: the invention relates to a rainwater grate of a drainage system, which consists of a main body device and a treading device, wherein the main body device consists of an upper layer steel grating plate, a lower layer steel grating plate, a fixing frame, a first steel pipe and a second steel pipe, the upper layer steel grating plate is arranged above the lower layer steel grating plate, the outer side edge of the lower layer steel grating plate is provided with a plurality of fixing frames, the inner side edge of the lower layer steel grating plate is provided with a plurality of fixing frames, the fixing frames and the fixing frames on the outer side edge of the lower layer steel grating plate are clamped on the inner side and the outer side of the upper layer steel grating plate in a one-to-one correspondence manner, the first steel pipe and the second steel pipe are arranged on the lower layer steel grating plate, the first steel pipe and the second steel pipe are adjacent, the treading device consists of a brush rod, a treading plate, a straight rack, a first bevel gear, a second bevel gear, a brush block, a reset spring, a clamping groove, a driven gear, a translation, the sliding column is characterized in that one end of the translation column is arranged in a sliding groove, the other end of the translation column upwards penetrates out of a first steel pipe, the sliding groove longitudinally penetrates through the first steel pipe, a spur rack is arranged on one side face of the translation column, the spur rack is close to the bottom of the translation column, a stepping plate is arranged at the other end of the translation column, a reset spring is sleeved on the translation column and positioned between the stepping plate and the first steel pipe, two clamping blocks are arranged at the top of the stepping plate and symmetrically clamped on the steel pipe in the middle of an upper-layer steel partition plate, a driven gear is arranged in the sliding groove and meshed with the spur rack, a clamping groove is formed in one end of a wheel shaft on the driven gear and clamped on the wall of the first steel pipe, the first steel pipe penetrates out of the other end of the wheel shaft on the driven gear towards the direction of the second steel pipe, the first bevel gear is arranged at the other end of the wheel shaft on, one end of the central shaft is arranged on the fixed seat through a bearing, the second bevel gear is sleeved on the central shaft and is meshed with the first bevel gear, the middle part of the brush rod is connected with the other end of the central shaft, the brush rod is positioned below the lower steel grating plate, a plurality of brush blocks are arranged on the top and two side surfaces of the brush rod, hard bristles are arranged on the brush blocks, a protective pad is arranged on the groove wall of the clamping groove, the treading disc is of a disc structure, the upper layer steel grating plate and the lower layer steel clapboard are formed by welding steel pipes, the hard brush hair at the top of the brush rod extends upwards, the hard brush hair on the side surface of the brush rod extends upwards in an inclined way, the brush rod is a strip-shaped square rod, the length of the brush rod is more than or equal to the length of the diagonal line of the lower steel grating plate, the hard bristles are metal wires wrapped with frosted layers on the outer sides, and wear-resistant pads are arranged at the contact positions of the upper steel grating and the fixing frame.
Has the beneficial effects.
Firstly, the cost is low, and the popularization is easy.
Time and labor are saved, sanitation workers do not need to bend down to clean the rainwater grate, and the rainwater grate can be cleaned only by stepping on the rainwater grate without any trouble.
And thirdly, when rainstorm and waterlogging occur, the fallen leaves or the winding objects on the rainwater grate can be cleaned only by treading.
Drawings
Fig. 1 is a three-dimensional structure view of a rainwater grate of a drainage system.
FIG. 2 is a three-dimensional structure diagram of a rainwater grate brush rod of a drainage system.
FIG. 3 is a three-dimensional structure diagram of a rainwater grate straight rack of a drainage system.
FIG. 4 is a schematic structural view of a rainwater grate straight rack of a drainage system.
In the attached drawings
Wherein the method comprises the following steps: upper steel grating (1), lower floor steel grating (2), mount (3), brush-holder stud (4), step on pressure dish (5), steel pipe (6), No. two steel pipes (7), spur rack (8), bevel gear (9), No. two bevel gear (10), brush piece (11), reset spring (12), draw-in groove (13), driven gear (14), translation post (15), stereoplasm brush hair (16), fixing base (17), screens piece (18), center pin (19).
The specific implementation mode is as follows:
the rainwater grate of the drainage system is realized as follows: the invention discloses a rainwater grate of a drainage system, which consists of a main body device and a treading device, wherein the main body device consists of an upper-layer steel grating plate (1), a lower-layer steel grating plate (2), a fixing frame (3), a first steel pipe (6) and a second steel pipe (7), the upper-layer steel grating plate (1) is arranged above the lower-layer steel grating plate (2), a plurality of fixing frames (3) are arranged on the outer side edge of the lower-layer steel grating plate (2), a plurality of fixing frames (3) are arranged on the inner side edge of the lower-layer steel grating plate (2), the fixing frames and the fixing frames (3) on the outer side edge of the lower-layer steel grating plate (2) are clamped on the inner side and the outer side of the upper-layer steel grating plate (1) in a one-to-one correspondence manner, a first steel pipe (6) and a second steel pipe (7) are arranged on the lower-layer steel grating plate (2), the first steel pipe (6) is adjacent to the second steel pipe (7), and the tread, A first bevel gear (9), a second bevel gear (10), a brush block (11), a reset spring (12), a clamping groove (13), a driven gear (14), a translation column (15), hard bristles (16), a fixed seat (17), clamping blocks (18) and a central shaft (19), wherein a sliding groove is arranged in the middle position of the first steel pipe (6), one end of the translation column (15) is arranged in the sliding groove, the other end of the translation column upwards penetrates out of the first steel pipe (6), the sliding groove longitudinally penetrates through the first steel pipe (6), a spur rack (8) is arranged on one side surface of the translation column (15), the spur rack (8) is close to the bottom of the translation column (15), a stepping plate (5) is arranged at the other end of the translation column (15), the reset spring (12) is sleeved on the translation column (15) and positioned between the stepping plate (5) and the first steel pipe (6), two clamping blocks (18) are arranged at the top of the stepping plate (5), and two clamping blocks (18) are symmetrically clamped on a steel pipe in the middle of the upper-layer steel partition plate, a driven gear (14) is arranged in a sliding groove and is meshed with a spur rack (8), one end of a wheel shaft on the driven gear (14) is provided with a clamping groove (13) and is clamped on the wall of a first steel pipe (6), the other end of the wheel shaft on the driven gear (14) penetrates out of the first steel pipe (6) towards the direction of a second steel pipe (7), a first bevel gear (9) is arranged on the other end of the wheel shaft on the driven gear (14), a fixing seat (17) is arranged on the second steel pipe (7) and is close to the first bevel gear (9), one end of a central shaft (19) is arranged on the fixing seat (17) through a bearing, a second bevel gear (10) is sleeved on the central shaft (19) and is meshed with the first bevel gear (9), the middle part of a brush rod (4) is connected with the other end of the, the brush rod (4) is positioned below the lower steel grating plate (2), a plurality of brush blocks (11) are arranged on the top and two side surfaces of the brush rod (4), hard brush bristles (16) are arranged on the brush block (11), a protective pad is arranged on the groove wall of the clamping groove (13), the stepping plate (5) is of a disc structure, the upper layer steel grating (1) and the lower layer steel clapboard are formed by welding steel pipes, the hard bristles (16) on the top of the brush rod (4) extend upwards, the hard bristles (16) on the side surface of the brush rod (4) extend upwards in an inclined way, the brush rod (4) is a strip-shaped square rod, the length of the brush rod (4) is more than or equal to the length of the diagonal line of the lower steel grating plate (2), the hard bristles (16) are metal wires wrapped with frosting layers, and wear-resistant pads are arranged at the contact positions of the upper steel grating (1) and the fixing frame (3).
When the rainwater grate is used, the rainwater grate is arranged at a drainage port of a road surface, the rainwater grate can be used as a traditional rainwater grate, the structure of the rainwater grate is solid and durable, and the rainwater grate has the functions of daily pedal cleaning and rapid sundries cleaning in waterlogging.
When cleaning is needed, a sanitation worker only needs to step on the upper steel partition plate, the upper steel partition plate is stressed to move downwards, the fixing frame (3) guides the upper steel partition plate, the upper steel grating plate (1) presses the stepping plate (5) downwards to enable the stepping plate (5) and the translation column (15) to move downwards, the reset spring (12) is compressed, the straight rack (8) on the translation column (15) drives the meshed driven gear (14) to rotate in the downward moving process, the driven gear (14) and the first bevel gear (9) share one shaft, further the first bevel gear (9) rotates, the first bevel gear (9) drives the meshed second bevel gear (10) to rotate, the central shaft (19) on the second bevel gear (10) drives the brush rod (4) to rotate, the brush block (11) with the hard brush on the brush rod (4) cleans the rainwater grate in the moving process, and reversely moves upwards under the operation of the reset spring (12) through the translation column (15), the brush rod (4) is driven to rotate reversely to wash again,
in the cleaning process, sanitation workers do not need to bend over one by one, only need to step on the cleaning shoes by feet, and then clean fallen leaves or dust with the lower surface concentrated by matching with a broom in the lower hand.
During rainstorm waterlogging, fallen leaves or winding objects on the rainwater grate can be cleaned only by treading, and in the whole cleaning process, maintenance personnel do not need to touch the rainwater grate in deep water by hands and then clean the blocking objects on the rainwater grate one by one, and once more blocking objects are left, intermittent treading is utilized in deep water to match with the structure of the invention, so that the cleaning effect is better;
the top of the stepping plate (5) is provided with two clamping blocks (18), and the two clamping blocks (18) are symmetrically clamped on the steel pipe in the middle of the upper-layer steel partition plate, so that the upper-layer steel partition plate can be further limited, and the shaking of the upper-layer steel partition plate is avoided;
the design of the protective pad on the groove wall of the clamping groove (13) is used for performing wear-resistant protection between the wheel shaft on the first gear and the wall of the first steel pipe (6);
the hard bristles (16) on the top of the brush rod (4) extend upwards, and the hard bristles (16) on the side surface of the brush rod (4) extend upwards in an inclined mode, can be contacted with the upper and lower steel grating plates (2) towards the direction, and can be contacted with the upper and lower steel grating plates for cleaning when rotating;
the length of the brush rod (4) is greater than or equal to the length of the diagonal line of the lower steel grating plate (2), so that the brush rod (4) is enough in length, and the whole lower steel grating plate can be cleaned within a cleaning range;
the hard bristles (16) are designed by metal wires wrapped with frosting layers, so that the metal wires are not easy to damage and have long service life;
the stepping pressure plate (5) and the brush rod (4) are matched with a gear and rack transmission design, so that the stepping pressure can drive the vertical rod to rotate for cleaning, time and labor are saved, sanitation workers do not need to bend down for cleaning, and the cleaning work of the rainwater grate can be completed only by stepping with feet without trouble;
the purpose of cleaning by driving the brush rod (4) to rotate by utilizing the treading pressure is achieved.
The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
Claims (10)
1. A drainage system rainwater grate, characterized by: the steel plate trampling device comprises a main body device and a trampling device, wherein the main body device comprises an upper layer steel grating plate, a lower layer steel grating plate, a fixing frame, a first steel pipe and a second steel pipe, the upper layer steel grating plate is arranged above the lower layer steel grating plate, a plurality of fixing frames are arranged on the outer side edge of the lower layer steel grating plate, the inner side edge of the lower layer steel grating plate is provided with a plurality of fixing frames, the fixing frames and the fixing frames on the outer side edge of the lower layer steel grating plate are clamped on the inner side and the outer side of the upper layer steel grating plate in a one-to-one correspondence mode, the lower layer steel grating plate is provided with the first steel pipe and the second steel pipe, the first steel pipe and the second steel pipe are adjacent, the trampling device comprises a brush rod, a trampling disc, a straight rack, a bevel gear, a second bevel gear, a brush block, a reset spring, a clamping groove, a driven gear, a translation column, a hard brush, the other end upwards wears out the steel pipe, the sliding tray vertically runs through the steel pipe, a spur rack is arranged on one side face of the translation column, the spur rack is close to the bottom of the translation column, a stepping plate is arranged on the other end of the translation column, a reset spring is sleeved on the translation column and positioned between the stepping plate and the steel pipe, a driven gear is arranged in the sliding tray and meshed with the spur rack, one end of a wheel shaft on the driven gear is provided with a clamping groove and clamped on the wall of the steel pipe on the first side, the other end of the wheel shaft on the driven gear penetrates out the steel pipe towards the direction of the steel pipe on the second side, a bevel gear is arranged on the other end of the wheel shaft on the driven gear, a fixing seat is arranged on the steel pipe on the second side and close to the bevel gear on the first side, one end of a central shaft is arranged on the fixing seat through a bearing, the bevel gear on the central shaft is sleeved on the central shaft and, the brush rod is located below the lower steel grating, a plurality of brush blocks are arranged on the top and two side faces of the brush rod, and hard bristles are arranged on the brush blocks.
2. The rainwater grate of drainage system of claim 1, wherein when in use, the stepping pressure is used to drive the brush rod to rotate the rainwater grate for cleaning, and the sanitation worker is not required to bend down for cleaning.
3. The drain system rain grate of claim 1, wherein the hard bristles on the top of the brush rod extend upwards, and the hard bristles on the side of the brush rod extend obliquely upwards.
4. The drain system rainwater grate of claim 3, wherein said brush bar is an elongated rectangular bar.
5. The drain system rainwater grate according to claim 3 or 4, characterized in that the length of the brush bar is greater than or equal to the length of the diagonal line of the lower steel grating.
6. The rainwater grate of the drainage system according to claim 1, wherein two clamping blocks are arranged at the top of the stepping plate, and the two clamping blocks are symmetrically clamped on the steel pipe in the middle of the upper steel partition plate.
7. The drain system rainwater grate of claim 6, wherein the pressing plate is a disc structure.
8. The drain system rainwater grate according to claim 1, wherein the protective pad is arranged on the groove wall of the clamping groove, and the upper layer steel grating and the lower layer steel clapboard are formed by welding steel pipes.
9. The rainwater grate of drainage system according to claim 1, characterized in that said hard bristles are metal wires wrapped with a frosted layer.
10. The rainwater grate of drainage system according to claim 1, characterized in that the contact position of said upper steel grating and said fixing frame is provided with a wear pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010178204.XA CN111270751B (en) | 2020-03-14 | 2020-03-14 | Rainwater grate of drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010178204.XA CN111270751B (en) | 2020-03-14 | 2020-03-14 | Rainwater grate of drainage system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111270751A true CN111270751A (en) | 2020-06-12 |
| CN111270751B CN111270751B (en) | 2021-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010178204.XA Active CN111270751B (en) | 2020-03-14 | 2020-03-14 | Rainwater grate of drainage system |
Country Status (1)
| Country | Link |
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| CN (1) | CN111270751B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726769A (en) * | 2020-12-30 | 2021-04-30 | 华侨大学 | Drainage system |
| CN114150834A (en) * | 2021-11-04 | 2022-03-08 | 南通市五洲复合材料有限公司 | High-performance fully-coated glass fiber reinforced plastic grating plate and coating process thereof |
| CN112726769B (en) * | 2020-12-30 | 2024-05-31 | 华侨大学 | Drainage system |
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| JP4474038B2 (en) * | 2000-10-12 | 2010-06-02 | 積水化学工業株式会社 | Catchment cover |
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| CN110578363A (en) * | 2019-06-22 | 2019-12-17 | 钟抒言 | Floor drain with self-cleaning function |
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| JP2001098636A (en) * | 1999-09-29 | 2001-04-10 | Teruo Hatori | Free-grade street gutter construction method |
| JP4474038B2 (en) * | 2000-10-12 | 2010-06-02 | 積水化学工業株式会社 | Catchment cover |
| KR20100000298U (en) * | 2008-07-01 | 2010-01-11 | 김광일 | device for preventing a bad smell of a manhole or a gutter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726769A (en) * | 2020-12-30 | 2021-04-30 | 华侨大学 | Drainage system |
| CN112726769B (en) * | 2020-12-30 | 2024-05-31 | 华侨大学 | Drainage system |
| CN114150834A (en) * | 2021-11-04 | 2022-03-08 | 南通市五洲复合材料有限公司 | High-performance fully-coated glass fiber reinforced plastic grating plate and coating process thereof |
| CN114150834B (en) * | 2021-11-04 | 2023-09-15 | 南通市五洲复合材料有限公司 | High-performance fully-coated glass fiber reinforced plastic grating plate and coating process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111270751B (en) | 2021-10-19 |
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