CN110820478B - Sound effect type signal blind way capable of cleaning accumulated water - Google Patents
Sound effect type signal blind way capable of cleaning accumulated water Download PDFInfo
- Publication number
- CN110820478B CN110820478B CN201911110621.4A CN201911110621A CN110820478B CN 110820478 B CN110820478 B CN 110820478B CN 201911110621 A CN201911110621 A CN 201911110621A CN 110820478 B CN110820478 B CN 110820478B
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- storage tank
- water storage
- base
- platform
- support
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C15/00—Pavings specially adapted for footpaths, sidewalks or cycle tracks
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/529—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users specially adapted for signalling by sound or vibrations, e.g. rumble strips; specially adapted for enforcing reduced speed, e.g. speed bumps
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- 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
- E03F5/0401—Gullies for use in roads or pavements
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- 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
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0402—Gullies for use in roads or pavements provided with flushing means for cleaning or emptying
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Special Wing (AREA)
- Sanitary Device For Flush Toilet (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a sound effect type signal blind way capable of cleaning accumulated water, which comprises a base and two side frames, wherein the two side frames are respectively and integrally connected to two sides of the base, a support and a platform are respectively and horizontally welded in the base, a water storage tank is welded between the support and the platform, and a bearing rod is slidably sleeved at the upper end of the water storage tank. According to the invention, the support and the platform are arranged in the base, the water storage tank is arranged between the support and the platform, the bearing rod is supported by the elasticity of the primary spring to move up and down, so that accumulated water on the ground sequentially enters the base and the water storage tank, and then the accumulated water is used for impacting the blades to drive the rotating shafts jointly erected in the base and the side frames to rotate, so that on one hand, stains in the base are washed and cleaned vigorously by the accumulated water, and the accumulated water can be cleaned; on the other hand, the connecting rod and the drumstick are driven to move up and down through the U-shaped structure so as to knock the sounder to sound, and therefore sound effect type guidance is provided for the blind.
Description
Technical Field
The invention relates to the technical field of blind road infrastructure, in particular to a sound effect type signal blind road capable of cleaning accumulated water.
Background
The blind road is a road facility specially used for helping the blind to walk. Two main categories can be distinguished: one is a strip-shaped guide brick which guides the blind to walk forward with confidence and is called a walking blind way; one is a prompting brick with round points to prompt the blind to have an obstacle in front of the blind, and the blind turns a corner, which is called as a prompting blind road. The most common yellow floor tiles in daily life are blind roads. The blind road in the yellow protruding stripe pattern is just like the static eyes of the blind, is laid on a pavement of a road, and is arranged for the convenience of the travel of the blind.
Under traditional capital construction technique, generally adopt the mode of fixed laying to the blind road ceramic tile, though also can provide the guide effect of certain effect for the blind person, still have a great deal of drawback in long-term use: on one hand, the fixedly laid blind road floor tiles are easy to incline and displace due to the long-term external force action, so that uneven pits appear on the blind road ground, and natural rainfall and sewage discharged in production and life are difficult to be completely cleaned, so that the blind road floor tiles are accumulated on the road ground for a long time, the municipal appearance is influenced, and the travel of the blind on the blind road is seriously influenced; secondly, the traditional blind road only adopts the mode that the concave-convex grains are arranged on the surface of the blind road to provide touch feeling for the blind, but the single concave-convex grain sensing is difficult to provide accurate direction guidance for the blind due to wearing shoes, so that the blind often has the sense of disordered direction. Under the display of a large amount of survey data, the hearing of partial blind people is better than that of the general population, but the ability cannot be utilized by the infrastructure of blind roads, and sound effect type guidance cannot be provided for the blind people in the aspect of hearing.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, accumulated water in a blind road is difficult to match and accurate guide is difficult to provide for the blind person, and provides a sound effect type signal blind road capable of cleaning the accumulated water.
In order to achieve the purpose, the invention adopts the following technical scheme:
a sound effect type signal blind way capable of cleaning accumulated water comprises a base and two side frames, wherein the two side frames are respectively and integrally connected with the two sides of the base, and a bracket and a platform are respectively horizontally welded in the base, a water storage tank is welded between the bracket and the platform, and the upper end of the water storage tank is slidably sleeved with a bearing rod, the two ends of the bearing rod are respectively connected with a floor positioned above the bracket and a piston positioned in the water storage tank, a primary spring is sleeved on the bearing rod, a water inlet provided with a one-way valve is arranged in the side wall of the water storage tank, and the lower end of the water storage tank is provided with a sealing mechanism, the lower end of the base is internally and horizontally provided with a rotating shaft in a rotating way, the rotating shaft is fixedly sleeved with blades, two ends of the rotating shaft respectively extend into the two side frames, and the two ends of the rotating shaft are respectively rotatably sleeved with a connecting rod, the upper ends of the two connecting rods are respectively and fixedly connected with drumsticks, and sounders matched with the drumsticks are respectively and fixedly connected in the upper ends of the two side frames.
Preferably, the base opening is upwards, and two side bearer openings are downwards, the support is located directly over the platform, and the water storage tank sets up perpendicularly between support and platform, the water storage tank extends to the lower extreme opening of platform below and is perpendicular relative with the blade.
Preferably, two ends of the primary spring are respectively abutted against the floor and the support.
Preferably, the sealing mechanism comprises the following structure: the water storage tank is characterized in that a guide rod is correspondingly arranged in the inner wall of the water storage tank, a secondary spring and a sliding sleeve are respectively sleeved on the guide rod, two sealing plates are connected to an opening pin shaft at the lower end of the water storage tank, and a supporting rod is connected between the sliding sleeve and the sealing plates through a pin shaft.
Preferably, the two ends of the rotating shaft extending into the two side frames are both of a U-shaped structure.
Preferably, limiting plates are welded in the two side frames, and the two connecting rods respectively slide and penetrate through the two limiting plates.
Compared with the prior art, the invention has the following advantages:
1. the invention is provided with a base and a side frame which are integrated, a support and a platform are arranged in the upper part and the lower part of the base, a water storage tank is arranged between the support and the platform, a floor and a piston are elastically supported by using a primary spring and a bearing rod by taking the water storage tank as a fulcrum, and accumulated water on the ground enters the base and the water storage tank by using a water inlet and a sealing mechanism.
2. The invention enables a pedestrian to step on the floor, the blades and the rotating shaft are driven to rotate by squeezing accumulated water in the water storage tank, and the cleaning purpose is achieved by strongly washing the inside of the base; meanwhile, the U-shaped structures at the two ends of the rotating shaft drive the two connecting rods and the drumstick to move up and down so as to repeatedly knock the sounder, thus sounding and providing sound effect guide for the blind.
In summary, the support and the platform are arranged in the base, the water storage tank is arranged between the support and the platform, the bearing rod is supported by the elasticity of the first-stage spring to move up and down, so that accumulated water on the ground sequentially enters the base and the water storage tank, and then the accumulated water impacts the blades to drive the rotating shafts jointly erected in the base and the side frames to rotate, so that on one hand, stains in the base are washed and cleaned powerfully through the accumulated water, and the accumulated water can be cleaned; on the other hand, the connecting rod and the drumstick are driven to move up and down through the U-shaped structure so as to knock the sounder to sound, and therefore sound effect type guidance is provided for the blind.
Drawings
FIG. 1 is a schematic structural diagram of a sound effect type signal blind road capable of cleaning accumulated water according to the present invention;
FIG. 2 is an enlarged view of a portion A of a sound effect type signal blind road capable of cleaning accumulated water according to the present invention;
FIG. 3 is a schematic diagram of the structure of the pedestal and the side frame of a sound effect type signal blind road for cleaning accumulated water according to the present invention;
fig. 4 is a schematic structural diagram of a floor of a sound effect type signal blind road capable of cleaning accumulated water according to the present invention.
In the figure: the device comprises a base 1, side frames 2, a support 3, a platform 4, a water storage tank 5, a floor 6, a bearing rod 7, a primary spring 8, a piston 9, a water inlet 10, a guide rod 11, a secondary spring 12, a sliding sleeve 13, a support rod 14, a sealing plate 15, a rotating shaft 16, a blade 17, a connecting rod 18, a drumstick 19, a sounder 20 and a limiting plate 21.
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.
Referring to fig. 1-4, a sound effect type signal blind sidewalk capable of cleaning accumulated water comprises a base 1 and two side frames 2, wherein the two side frames 2 are respectively and integrally connected to two sides of the base 1, a support 3 and a platform 4 are respectively and horizontally welded in the base 1, the support 3 is in a hollow state so that the accumulated water on the ground can flow into the base 1, the platform 4 is in a complete structure so as to prevent the accumulated water from permeating into the lower end of the base 1, a water storage tank 5 is welded between the support 3 and the platform 4, a bearing rod 7 is slidably sleeved at the upper end of the water storage tank 5, two ends of the bearing rod 7 are respectively connected with a floor 6 positioned above the support 3 and a piston 9 positioned in the water storage tank 5, specifically referring to fig. 4, the upper end surface of the floor 6 is provided with an anti-skid texture structure so as to enhance the touch feeling of the blind person contacting with the foot, a primary spring 8 is sleeved on the bearing, through the check valve in the water inlet 10, can make the ponding on the platform 4 get into in the water storage tank 5, when pressurizeing the ponding in the water storage tank 5 through piston 9, make the ponding only can extrude the closing plate 15 of lower extreme open position, with the blade 17 position of following lower extreme open-ended flow direction platform 4 below, and can not flow back to in the platform 4 top from the water inlet 10, and the water storage tank 5 lower extreme is provided with sealing mechanism, base 1 lower extreme internal horizontal rotation is equipped with pivot 16, and the fixed cover is equipped with blade 17 on the pivot 16, the pivot 16 both ends extend to in two side bearer 2 respectively, and pivot 16 both ends all rotate the cover and are equipped with connecting rod 18, two connecting rod 18 upper ends all fixedly connected with drumstick 19, and two side bearer 2 upper end internal fixed connection have with drumstick 19 matched with sounder 20.
It should be noted that:
firstly, angular contact bearings or deep groove ball bearings with small friction coefficients are fixedly arranged in the lower ends of the base 1 and the two side frames 2 to provide a movable supporting function capable of rotating at a high speed for the rotating shaft 16, so that the blades 17 drive the rotating shaft 16 to rotate synchronously when being impacted by accumulated water;
secondly, drumstick 19 and sounder 20 have used for reference the drumming principle, carry out the multiple knock through drumstick 19 that reciprocates to sounder 20, drive the air vibrations to send obvious sound effect, help providing clear guide for the blind person.
Referring to the accompanying drawings 1 and 3, the base 1 is opened upwards to facilitate installation of the floor 6 and water absorption, the two side frames 2 are opened downwards, the support 3 is located right above the platform 4, the water storage tank 5 is vertically arranged between the support 3 and the platform 4, the lower end opening of the water storage tank 5 extending to the lower portion of the platform 4 is vertically opposite to the blade 17, and when the accumulated water in the water storage tank 5 flows downwards to impact the blade 17, the blade 17 and the rotating shaft 16 can rotate at a high speed.
Two ends of the primary spring 8 are respectively abutted against the floor 6 and the bracket 3 so as to provide an elastic supporting function capable of moving up and down for the floor 6.
The sealing mechanism comprises the following structures: the water storage tank 5 is characterized in that a guide rod 11 is correspondingly arranged in the inner wall of the water storage tank 5, a second-level spring 12 and a sliding sleeve 13 are respectively sleeved on the guide rod 11, two sealing plates 15 are connected to an opening pin shaft at the lower end of the water storage tank 5, a supporting rod 14 is connected between the sliding sleeve 13 and the sealing plate 15 through a pin shaft, and the sealing plate 15 is pulled through the sliding sleeve 13 and the supporting rod 14 under the tension action of the second-level spring 12 so as to controllably open and close the opening at the lower end.
The two ends of the rotating shaft 16 extending into the two side frames 2 are both of U-shaped structures, limiting plates 21 are welded in the two side frames 2, the two connecting rods 18 respectively slide and penetrate through the two limiting plates 21, the connecting rods 18 are pulled by the U-shaped structures on the rotating shaft 16 in the rotating process, and the drumsticks 19 knock the sounders 21 under the limiting effect of the limiting plates 21, so that the sounders 21 generate obvious sound effect guiding effects.
The invention can be illustrated by the following operating modes:
referring specifically to fig. 1, in a natural state, the bearing rod 7 drives the floor 6 to a higher position in the base 1 due to the tension of the primary spring 8, and the piston 9 is located at a higher position in the water storage tank 5.
In this case, the water accumulated on the blind road flows to the platform 4 through the support 3, and the water inlet 10 is formed in the side wall of the water storage tank 5, so that the water accumulated on the platform 4 in the upper end of the base 1 enters the water storage tank 5.
Because of the tension of the secondary spring 12, the two sealing plates 15 are pulled by the supporting rod 14, and the two sealing plates 15 are horizontally abutted to seal the lower end opening of the water storage tank 5.
When the pedestrian tramples on floor 6, floor 6 extrudes bearing bar 7, make the condensation of one-level spring 8 atress, bearing bar 7 drives piston 9 and moves down, piston 9 that moves down extrudes through the ponding in the water storage tank 5, receive extruded ponding and extrude closing plate 15 again, closing plate 15 pulls sliding sleeve 13 through branch 14, make sliding sleeve 13 use guide bar 11 to slide down as the direction, in order to extrude one-level spring 12, make two closing plate 15 downward sloppings, thereby make the lower extreme opening of water storage tank 5 open.
The accumulated water in the water storage tank 5 flows downwards and impacts the blades 17:
on one hand, the blades 17 drive the rotating shaft 16 to rotate in the base 1 and the side frame 2, because two ends of the rotating shaft 16 are in a U-shaped structure, the rotating shaft 16 pulls and supports two connecting rods 18 in the rotating process, the connecting rods 18 move up and down in the limiting plate 21 to drive the drumsticks 19 to move up and down, and the drumsticks 19 moving up and down strike the generator 20 to give out obvious sound and provide accurate guide for the blind;
on the other hand, ponding is outwards flowed out through base 1 lower extreme after impacting the drive to blade 17, because powerful rivers erode base 1 inner wall, not only can handle ponding on the blind road, and can carry out cleaning to base 1 itself.
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 considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a can clean sound effect type signal blind way of ponding, includes base (1) and two side bearer (2), its characterized in that, two side bearer (2) be a body coupling in base (1) both sides respectively, and in base (1) respectively horizontal welding have support (3) and platform (4), the welding has water storage tank (5) between support (3) and platform (4), and water storage tank (5) upper end slip cap is equipped with bearing bar (7), be connected with respectively on bearing bar (7) both ends and be located floor (6) of support (3) top and be located piston (9) in water storage tank (5), and the cover is equipped with one-level spring (8) on bearing bar (7), open water inlet (10) of installing the check valve in water storage tank (5) lateral wall, and water storage tank (5) lower extreme is provided with sealing mechanism, base (1) lower extreme inner horizontal rotation is equipped with pivot (16), and fixed cover is equipped with blade (17) on pivot (16), pivot (16) both ends extend to respectively in two side bearer (2), and pivot (16) both ends all rotate the cover and be equipped with connecting rod (18), two the equal fixedly connected with drumstick (19) in connecting rod (18) upper end, and equal fixedly connected with in two side bearer (2) upper ends with drumstick (19) matched with sounder (20).
2. The blind signal conduit capable of cleaning accumulated water according to claim 1, wherein the base (1) is opened upwards, the two side frames (2) are opened downwards, the support (3) is positioned right above the platform (4), the water storage tank (5) is vertically arranged between the support (3) and the platform (4), and the lower end opening of the water storage tank (5) extending to the lower part of the platform (4) is vertically opposite to the blades (17).
3. The blind signal track capable of cleaning accumulated water according to claim 2, wherein two ends of the primary spring (8) respectively abut against the floor (6) and the support (3).
4. The acoustic effect type signal blind track capable of cleaning accumulated water according to claim 1, wherein the sealing mechanism comprises the following structures: the water storage tank is characterized in that a guide rod (11) is correspondingly arranged in the inner wall of the water storage tank (5), a secondary spring (12) and a sliding sleeve (13) are respectively sleeved on the guide rod (11), two sealing plates (15) are connected to an opening pin shaft at the lower end of the water storage tank (5), and a supporting rod (14) is connected between the sliding sleeve (13) and the sealing plates (15) through the pin shaft.
5. The blind signal passage capable of cleaning accumulated water as claimed in claim 1, wherein the two ends of the rotating shaft (16) extending into the two side frames (2) are both of U-shaped structures.
6. The blind signal blind road capable of cleaning accumulated water according to claim 5, wherein limiting plates (21) are welded in the two side frames (2), and the two connecting rods (18) respectively slide and penetrate through the two limiting plates (21).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911110621.4A CN110820478B (en) | 2019-11-14 | 2019-11-14 | Sound effect type signal blind way capable of cleaning accumulated water |
| CN202110387006.9A CN113089416A (en) | 2019-11-14 | 2019-11-14 | Sound effect type signal blind road capable of cleaning accumulated water and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911110621.4A CN110820478B (en) | 2019-11-14 | 2019-11-14 | Sound effect type signal blind way capable of cleaning accumulated water |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110387006.9A Division CN113089416A (en) | 2019-11-14 | 2019-11-14 | Sound effect type signal blind road capable of cleaning accumulated water and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110820478A CN110820478A (en) | 2020-02-21 |
| CN110820478B true CN110820478B (en) | 2021-06-11 |
Family
ID=69554867
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911110621.4A Active CN110820478B (en) | 2019-11-14 | 2019-11-14 | Sound effect type signal blind way capable of cleaning accumulated water |
| CN202110387006.9A Withdrawn CN113089416A (en) | 2019-11-14 | 2019-11-14 | Sound effect type signal blind road capable of cleaning accumulated water and method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110387006.9A Withdrawn CN113089416A (en) | 2019-11-14 | 2019-11-14 | Sound effect type signal blind road capable of cleaning accumulated water and method |
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| Country | Link |
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| CN (2) | CN110820478B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359738A (en) * | 2020-10-30 | 2021-02-12 | 王敬炫 | Town road vehicle deceleration strip |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4588643B2 (en) * | 2006-02-03 | 2010-12-01 | 財団法人鉄道総合技術研究所 | FWD evaluation apparatus and evaluation method. |
| CN106758631A (en) * | 2016-12-29 | 2017-05-31 | 佰仕领骏科技（天津）有限公司 | A kind of lawn brick of environment-friendly type automatic lifting |
| CN206721595U (en) * | 2017-05-18 | 2017-12-08 | 陕西职业技术学院 | A kind of civil engineering can water supply and sewage laying brick |
| CN110273351A (en) * | 2018-03-13 | 2019-09-24 | 湖北乾奥建设工程有限公司 | A kind of people's row blind way brick molding machine |
-
2019
- 2019-11-14 CN CN201911110621.4A patent/CN110820478B/en active Active
- 2019-11-14 CN CN202110387006.9A patent/CN113089416A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4588643B2 (en) * | 2006-02-03 | 2010-12-01 | 財団法人鉄道総合技術研究所 | FWD evaluation apparatus and evaluation method. |
| CN106758631A (en) * | 2016-12-29 | 2017-05-31 | 佰仕领骏科技（天津）有限公司 | A kind of lawn brick of environment-friendly type automatic lifting |
| CN206721595U (en) * | 2017-05-18 | 2017-12-08 | 陕西职业技术学院 | A kind of civil engineering can water supply and sewage laying brick |
| CN110273351A (en) * | 2018-03-13 | 2019-09-24 | 湖北乾奥建设工程有限公司 | A kind of people's row blind way brick molding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110820478A (en) | 2020-02-21 |
| CN113089416A (en) | 2021-07-09 |
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Effective date of registration: 20210528 Address after: Room 324, No.46, Guangji Road, Lizhu Town, Keqiao District, Shaoxing City, Zhejiang Province Applicant after: Shaoxing Gaoyanzhi Biotechnology Co.,Ltd. Address before: 313000 No.1, Shicong Town West Road, Nanxun District, Huzhou City, Zhejiang Province Applicant before: Wei Aisheng |
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Application publication date: 20200221 Assignee: Zhuji wusheng Agricultural Technology Co.,Ltd. Assignor: Shaoxing Gaoyanzhi Biotechnology Co.,Ltd. Contract record no.: X2022330000215 Denomination of invention: A kind of acoustic signal blind track which can clean accumulated water Granted publication date: 20210611 License type: Common License Record date: 20220614 Application publication date: 20200221 Assignee: Zhuji Qingchen Science and Technology Service Co.,Ltd. Assignor: Shaoxing Gaoyanzhi Biotechnology Co.,Ltd. Contract record no.: X2022330000214 Denomination of invention: A kind of acoustic signal blind track which can clean accumulated water Granted publication date: 20210611 License type: Common License Record date: 20220614 Application publication date: 20200221 Assignee: Zhuji Zhongda Intelligent Technology Co.,Ltd. Assignor: Shaoxing Gaoyanzhi Biotechnology Co.,Ltd. Contract record no.: X2022330000213 Denomination of invention: A kind of acoustic signal blind track which can clean accumulated water Granted publication date: 20210611 License type: Common License Record date: 20220614 |