CN110173017A - A kind of new agricultural water cellar automatic sealing device - Google Patents

A kind of new agricultural water cellar automatic sealing device Download PDF

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Publication number
CN110173017A
CN110173017A CN201910465520.2A CN201910465520A CN110173017A CN 110173017 A CN110173017 A CN 110173017A CN 201910465520 A CN201910465520 A CN 201910465520A CN 110173017 A CN110173017 A CN 110173017A
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CN
China
Prior art keywords
storage chamber
water
frame plate
kickboard
sealing surface
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910465520.2A
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Chinese (zh)
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CN110173017B (en
Inventor
迟才博
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Yueqing Xuyao Technology Co ltd
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Individual
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Priority to CN201910465520.2A priority Critical patent/CN110173017B/en
Publication of CN110173017A publication Critical patent/CN110173017A/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B11/00Arrangements or adaptations of tanks for water supply
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/02Methods or installations for obtaining or collecting drinking water or tap water from rain-water
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Structural Engineering (AREA)
  • Special Wing (AREA)

Abstract

The present invention provides a kind of new agricultural water cellar automatic sealing device, including the equal integration of water cellar inner upper and middle part is provided with water inlet and frame plate, and insertion is provided with traction rope above frame plate, is equipped with plugging mechanism above traction rope.There is sealing surface with sealed set above upper frame plate by being equipped with outside kickboard, and sealing surface is resilient seal surface, in hollow coniform when sealing surface inflation outside kickboard, sealing surface above upper frame plate is hemispherical when inflating, sealing surface outside kickboard but will be moved upwards when inflating by the buoyancy of water, it is fitted closely between the interior edge of water cellar, and the sealing surface meeting outside coniform kickboard and agree between water inlet, and then prevent extraneous water flow from continuing to pour in water cellar, reduce impact of the water flow inside water channel to water inlet, and then water cellar is preferably protected, so that in the external water cellar used, the service life is longer.

Description

A kind of new agricultural water cellar automatic sealing device
Technical field
The present invention relates to agricultural irrigation technologies more particularly to a kind of new agricultural water to store automatic sealing device.
Background technique
Agricultural irrigation is primarily referred to as the irrigation operation carried out to agricultural tillage area.Agricultural irrigation mode generally can be divided into for Traditional surface irrigation, common sprinkling irrigation and slight irrigation, due to the certain geography in the north, water flow is rich without other places Richness, so can only be stored by underground water and to the water of rainy day, to be irrigated.
Water cellar scrapes out well shape in the underground Shan Yuan of arid, semiarid zone thicker soil, for storing rainwash, solves People and animals' water, field irrigation a kind of slope surface erosion and torrent control works facility, new agricultural is to repair water cellar to the usage mode of water cellar It build at slope, connection is penetrated through between water inlet and the canal that drains off floodwaters, when raining, rainwater is entered in water cellar by the canal that drains off floodwaters, in turn Water is stored, and water outlet is then positioned at the lower section of water cellar, positioned at the top of alley, convenient for irrigating.
Based on foregoing description, and equipment in the prior art is combined to find, existing water cellar when carrying out normal water storage, It is not in problem, and when heavy rain occurs for area, water cellar is easy to be filled, but the streaming potential conversion inside the canal that drains off floodwaters At kinetic energy, constantly the water inlet of water cellar can be caused to impact, day by day, the water inlet structure of water cellar can be destroyed, be caused Strainer and coagulation propose structure leakage, cause the bottom sediment of water cellar excessive, ineffective, but again cannot be to the water inlet of water cellar It mouthful is blocked completely, since mountainous region is open, when heavy rain also can not be in time to the closure of water cellar water inlet, therefore the design is directed to The above problem, designs a structurally reasonable, and functional good new agricultural water stores automatic sealing device, practical to improve Property.
Summary of the invention
The purpose of the present invention is to provide a kind of new agricultural waters to store automatic sealing device, to solve that heavy rain occurs when area When, water cellar is easy to be filled, but the streaming potential inside the canal that drains off floodwaters is converted into kinetic energy, can be constantly to the water inlet of water cellar It causes to impact, day by day, the water inlet structure of water cellar can be destroyed, cause strainer and coagulation to propose structure leakage, cause water The bottom sediment at cellar is excessive, ineffective, but again cannot the water inlet to water cellar blocked completely, due to mountainous region be open, The problem of also water cellar water inlet can not be blocked in time when heavy rain.
The purpose and effect of the new agricultural water cellar automatic sealing device of the present invention, are reached by technological means in detail below:
A kind of new agricultural water cellar automatic sealing device, which includes on water cellar inside Side and the equal integration in middle part are provided with water inlet and frame plate, are embedded in above the frame plate and are provided with traction rope, on the traction rope Side is equipped with plugging mechanism.
Further, to include frame plate be fixedly connected with capsul by traction rope to the plugging mechanism, on the capsul Fang Guantong is provided with frame plate, and insertion is provided with support shaft at left and right sides of the capsul, and rotation connects outside the support shaft It is connected to kickboard, integrated setting has first piston and second piston respectively for the two sides up and down of the upper end of the kickboard.
Further, the capsul interior bottom portion is fixedly connected with reaction utensil, and the capsul inner upper is fixed to be connected It is connected to the first storage chamber and the second storage chamber, the first storage chamber is the first storage chamber of sodium carbonate, and the second storage chamber is dilute hydrochloric acid the Two storage chambers.
Further, first storage chamber and the second storage chamber are tilting setting, and second piston is placed exactly in Between first storage chamber and the second storage chamber, meanwhile, second piston is arranged in two-part, plugging surface is equipped with below second piston, Middle part is provided with concave surface, and plugging surface out is run through always from plugging surface front in concave surface, under normal conditions, the first storage chamber and the second storage The opening of chamber is close to the survey of plugging surface edge.
Further, the left and right sides is provided through leakage port, and the outside leakage port one above the upper frame plate Directly extending outside upper frame plate, first piston is movably connected with the inside leakage port, when first piston and leakage port agree with, Leakage port is sealing state.
Further, sealed set has sealing surface outside the kickboard and above upper frame plate, and sealing surface is that elasticity is close Cover, in hollow coniform when sealing surface inflation outside kickboard, when sealing surface inflation above upper frame plate, is hemispherical.
Further, the sealing surface and capsul junction are in sealed set.
In comparison with existing structure, the invention has the following beneficial effects:
1. having sealing surface with sealed set equal above upper frame plate by being equipped with outside kickboard, and sealing surface is elastic packing Face, in hollow coniform when sealing surface inflation outside kickboard, hemispherical, kickboard when sealing surface inflation above upper frame plate External sealing surface but will be moved upwards when inflating by the buoyancy of water, fit closely between the interior edge of water cellar, and coniform Kickboard outside sealing surface meeting and water inlet between agree with, and then prevent extraneous water flow from continuing to pour in water cellar, reduce Impact of the water flow to water inlet inside water channel, and then water cellar is preferably protected, so that making in the water cellar that outside uses Use longer life expectancy.
2. being arranged by being equipped with second piston in two-part, plugging surface is equipped with below second piston, middle part is provided with concave surface, And plugging surface out is run through always from plugging surface front in concave surface, and under normal conditions, the opening and closure of the first storage chamber and the second storage chamber The survey in face, since second piston moves downward, can make concave surface and the opening of the first storage chamber and the second storage chamber connect along abutting It touches, and then be put into solution inside the first storage chamber and the second storage chamber to be flowed into reaction utensil always along plugging surface, occurs Chemical reaction, and then carbon dioxide is produced, sealing surface is full of, is herein the entire sealing surface of buoyancy control by water flow Inflation whether so that whole device carry out using when it is more perfect, do not need special messenger and keep an eye on, practicability is stronger.
3. being rotatably connected to kickboard by being equipped with outside support shaft, the integration respectively of the two sides up and down of the upper end of the kickboard It is provided with first piston and second piston, this is arranged whose buoyancy a lever original is generated as power by using kickboard Reason so that whole device carry out using when it is more perfect.
Detailed description of the invention
Fig. 1 is the whole the schematic diagram of the section structure of the present invention;
Fig. 2 is plugging mechanism structural schematic diagram of the present invention;
Fig. 3 is enlarged structure schematic diagram at the A of Fig. 2 of the present invention;
Fig. 4 is second piston structural schematic diagram of the present invention;
Fig. 5 is kickboard overlooking structure diagram of the present invention;
Fig. 6 is plugging mechanism working condition stress diagram of the present invention.
In figure, the corresponding relationship of component names and accompanying drawing number are as follows:
1- water cellar, 2- capsul, the upper frame plate of 3-, 4- sealing surface, 101- frame plate, 102- water inlet, 1011- traction rope, 201- reaction utensil, the first storage chamber of 202-, the second storage chamber of 203-, 301- kickboard, 302- support shaft, 3011- first piston, 3022- second piston, 30222- plugging surface, 303- leakage port.
Specific embodiment
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more;Term " on ", The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected;It can be machine Tool connection, is also possible to be electrically connected;It can be directly connected, it can also be indirectly connected through an intermediary.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment:
As shown in attached drawing 1 to attached drawing 6:
The present invention provides a kind of new agricultural water cellar automatic sealing device, which includes The equal integration of 1 inner upper of water cellar and middle part is provided with water inlet 102 and frame plate 101, and insertion is provided with traction above frame plate 101 Rope 1011 is equipped with plugging mechanism above traction rope 1011.
Wherein, to include frame plate 101 be fixedly connected with capsul 2 by traction rope 1011 to plugging mechanism, passes through above capsul 2 Logical to be provided with frame plate 3, the insertion of 2 left and right sides of capsul is provided with support shaft 302, is rotatably connected to outside support shaft 302 Kickboard 301, integrated setting has first piston 3011 and second piston 3022 respectively for the two sides up and down of the upper end of kickboard 301, when When water inside water cellar 1 is more and more, the buoyancy of water can make kickboard 301 flip up under the action of shaft, by There is pullling for traction rope 1011 in capsul 2, and then the lever principle of hand under the action of support shaft 302 of kickboard 301 can be made Angle change occurs.
Wherein, 2 interior bottom portion of capsul is fixedly connected with reaction utensil 201, and 2 inner upper of capsul is fixedly connected with first Storage chamber 202 and the second storage chamber 203, the first storage chamber 202 are the first storage chamber of sodium carbonate 202, and the second storage chamber 203 is dilute The second storage chamber of hydrochloric acid 203, since 301 outer end of kickboard upwardly extends, then inner end will decline, at this point, making second piston 3022 move downward, and first piston 3011 moves upwards.
Wherein, the first storage chamber 202 and the second storage chamber 203 are tilting setting, and the just position of second piston 3022 Between the first storage chamber 202 and the second storage chamber 203, meanwhile, second piston 3022 is arranged in two-part, second piston 3022 Lower section is equipped with plugging surface 30222, and middle part is provided with concave surface, and concave surface is from 30222 front of plugging surface always through plugging surface out 30222, under normal conditions, the opening of the first storage chamber 202 and the second storage chamber 203 and the survey of plugging surface 30222 are along being close to, due to the Two pistons 3022 move downward, and concave surface and the opening of the first storage chamber 202 and the second storage chamber 203 can be made to contact, Jin Er Being put into solution inside one storage chamber 202 and the second storage chamber 203 can be flowed into always in reaction utensil 201 along plugging surface 30222, It chemically reacts, and then produces carbon dioxide, sealing surface 4 is full of.
Wherein, sealing surface 4 and 2 junction of capsul are in sealed set, and the upper 3 top left and right sides of frame plate is provided through Leakage port 303, and outside leakage port 303 extends always outside upper frame plate 3, first piston 3011 is in inside leakage port 303 It is flexibly connected, when first piston 3011 and leakage port 303 agree with, leakage port 303 is sealing state, and first piston 3011 is transported upwards When dynamic, agree with leakage port 303, leakage port 303 is agreed with and is blocked, prevents carbon dioxide gas from overflowing.
Wherein, 301 outside of kickboard and 3 top of upper frame plate sealed set have sealing surface 4, and sealing surface 4 is elastic packing Face 4, in hollow coniform when the sealing surface 4 outside kickboard 301 is inflated, the sealing surface 4 of upper 3 top of frame plate is in hemisphere when inflating Shape, the sealing surface 4 outside kickboard 301 but will be moved upwards by the buoyancy of water when inflating, closely be pasted between the interior edge of water cellar 1 It closes, and 4 meeting of sealing surface coniform kickboard 301 outside and agrees between water inlet 102, and then prevent the water flow continuation in the external world It pours in water cellar 1, reduces impact of the water flow inside water channel to water inlet 102, and then preferably protected to water cellar 1.
The specifically used mode and effect of the present embodiment:
In the present invention, guarantee the integrality of apparatus function first, then, when normal water storage and water storage, whole device is kept Normality, when heavy rain occurs, a large amount of rainwater is poured in water cellar 1, when the water inside water cellar 1 is more and more, water Buoyancy kickboard 301 can be made to flip up under the action of shaft, since capsul 2 has pullling for traction rope 1011, in turn Meeting is so that angle change occurs for the lever principle of hand under the action of support shaft 302 of kickboard 301, since 301 outer end of kickboard is upward Extend, then inner end will decline, at this point, moving downward second piston 3022, first piston 3011 is moved upwards, piston 3022 are arranged in two-part, are equipped with plugging surface 30222 below second piston 3022, and middle part is provided with concave surface, and concave surface is from closure The front of face 30222 is always through plugging surface 30222 is gone out, under normal conditions, the opening of the first storage chamber 202 and the second storage chamber 203 with The survey of plugging surface 30222 is along being close to, and since second piston 3022 moves downward, can make concave surface and the first storage chamber 202 and the The opening of two storage chambers 203 contacts, and then being put into solution inside the first storage chamber 202 and the second storage chamber 203 can be along closure Face 30222 is flowed into always in reaction utensil 201, is chemically reacted, and then produces carbon dioxide, and sealing surface 4 is full of, and This when first piston 3011 moves upwards, agrees with leakage port 303 simultaneously, agrees with leakage port 303 and block, prevent two Carbon oxide gas overflows, and the sealing surface 4 outside kickboard 301 but will be moved upwards when inflating by the buoyancy of water, in water cellar 1 It fits closely, and 4 meeting of sealing surface coniform kickboard 301 outside and agrees between water inlet 102, and then prevent outside The water flow on boundary continues to pour in water cellar 1, reduces impact of the water flow inside water channel to water inlet 102, and then carry out to water cellar 1 Preferably protection.
In conclusion although the present invention is described in detail referring to the foregoing embodiments, for the technology of this field For personnel, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technology Feature is equivalently replaced, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on, and It should be included within protection scope of the present invention.

Claims (7)

1. a kind of new agricultural water stores automatic sealing device, it is characterised in that: the new agricultural water stores automatic sealing device and includes The equal integration of water cellar (1) inner upper and middle part is provided with water inlet (102) and frame plate (101), and frame plate (101) top is embedding Enter to be provided with traction rope (1011), plugging mechanism is equipped with above the traction rope (1011).
2. new agricultural water according to claim 1 stores automatic sealing device, it is characterised in that: the plugging mechanism includes Frame plate (101) is fixedly connected with capsul (2) by traction rope (1011), and perforation is provided with restocking above the capsul (2) Plate (3), capsul (2) the left and right sides insertion are provided with support shaft (302), and rotation connects outside the support shaft (302) It is connected to kickboard (301), integrated setting has first piston (3011) and respectively for the two sides up and down of the upper end of the kickboard (301) Two pistons (3022).
3. new agricultural water according to claim 2 stores automatic sealing device, it is characterised in that: in the capsul (2) Portion bottom is fixedly connected with reaction utensil (201), capsul (2) inner upper be fixedly connected with the first storage chamber (202) and Second storage chamber (203), the first storage chamber (202) are the first storage chamber of sodium carbonate (202), and the second storage chamber (203) is dilute salt Sour second storage chamber (203).
4. new agricultural water according to claim 3 stores automatic sealing device, it is characterised in that: first storage chamber (202) and the second storage chamber (203) is tilting setting, and second piston (3022) is placed exactly in the first storage chamber (202) And second between storage chamber (203), meanwhile, second piston (3022) is arranged in two-part, is equipped with below second piston (3022) Plugging surface (30222), middle part is provided with concave surface, and concave surface is from plugging surface (30222) front always through plugging surface out (30222), under normal conditions, the opening of the first storage chamber (202) and the second storage chamber (203) is with the survey of plugging surface (30222) along tight Patch.
5. new agricultural water according to claim 1 stores automatic sealing device, it is characterised in that: on the upper frame plate (3) The side left and right sides is provided through leakage port (303), and the outside leakage port (303) extends always upper frame plate (3) outside Portion, first piston (3011) are movably connected with the inside leakage port (303), first piston (3011) and leakage port (303) When agreeing with, leakage port (303) is sealing state.
6. new agricultural water according to claim 1 stores automatic sealing device, it is characterised in that: the kickboard (301) is outside There is sealing surface (4) sealed set above portion and upper frame plate (3), and sealing surface (4) is resilient seal surface (4), and kickboard (301) is outside In hollow coniform when sealing surface (4) inflation in portion, when sealing surface (4) inflation above upper frame plate (3), is hemispherical.
7. new agricultural water according to claim 1 stores automatic sealing device, it is characterised in that: the sealing surface (4) with Capsul (2) junction is in sealed set.
CN201910465520.2A 2019-05-30 2019-05-30 Novel agricultural is with automatic closing device of cistern Active CN110173017B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910465520.2A CN110173017B (en) 2019-05-30 2019-05-30 Novel agricultural is with automatic closing device of cistern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910465520.2A CN110173017B (en) 2019-05-30 2019-05-30 Novel agricultural is with automatic closing device of cistern

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CN110173017A true CN110173017A (en) 2019-08-27
CN110173017B CN110173017B (en) 2020-11-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113668680A (en) * 2021-08-14 2021-11-19 邓越 Hydraulic engineering environmental protection cistern
CN114471115A (en) * 2021-12-07 2022-05-13 湖南利钢金属制品有限公司 Ammonia desulphurization system with ultralow desulphurization and dedusting functions

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2401596Y (en) * 2000-01-03 2000-10-18 曹宇 Lifting/lowering type cover for manhole
US20050082211A1 (en) * 2003-10-21 2005-04-21 Wade Rodney G. First flush rainwater diverter and collection system
CN103821176A (en) * 2014-02-14 2014-05-28 宁波中屹灯饰有限公司 Manhole cover
CN105620691A (en) * 2014-12-01 2016-06-01 韦振勇 Floating equipment capable of preparing gas through chemical method and being rapidly inflated in water
CN207228163U (en) * 2017-08-14 2018-04-13 浙江腾川市政园林有限公司 A kind of liftable manhole lid device
CN108797648A (en) * 2018-06-27 2018-11-13 东阳市新意工业产品设计有限公司 A kind of inspection well cover
CN208121821U (en) * 2018-03-20 2018-11-20 嘉兴恒力建材科技有限公司 A kind of well lid automatically adjusting lower water
CN208430538U (en) * 2018-06-12 2019-01-25 哈尔滨盛迪电力设备有限公司 Overhaul the reversed antipriming of well lid float-type sediment prevention
CN109455417A (en) * 2018-11-29 2019-03-12 上海核工程研究设计院有限公司 A kind of storage tank seal inflatable floating plate
CN109505311A (en) * 2018-12-25 2019-03-22 上海邦芯物联网科技有限公司 A kind of well lid suitable for intelligent inspection shaft

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2401596Y (en) * 2000-01-03 2000-10-18 曹宇 Lifting/lowering type cover for manhole
US20050082211A1 (en) * 2003-10-21 2005-04-21 Wade Rodney G. First flush rainwater diverter and collection system
CN103821176A (en) * 2014-02-14 2014-05-28 宁波中屹灯饰有限公司 Manhole cover
CN105620691A (en) * 2014-12-01 2016-06-01 韦振勇 Floating equipment capable of preparing gas through chemical method and being rapidly inflated in water
CN207228163U (en) * 2017-08-14 2018-04-13 浙江腾川市政园林有限公司 A kind of liftable manhole lid device
CN208121821U (en) * 2018-03-20 2018-11-20 嘉兴恒力建材科技有限公司 A kind of well lid automatically adjusting lower water
CN208430538U (en) * 2018-06-12 2019-01-25 哈尔滨盛迪电力设备有限公司 Overhaul the reversed antipriming of well lid float-type sediment prevention
CN108797648A (en) * 2018-06-27 2018-11-13 东阳市新意工业产品设计有限公司 A kind of inspection well cover
CN109455417A (en) * 2018-11-29 2019-03-12 上海核工程研究设计院有限公司 A kind of storage tank seal inflatable floating plate
CN109505311A (en) * 2018-12-25 2019-03-22 上海邦芯物联网科技有限公司 A kind of well lid suitable for intelligent inspection shaft

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113668680A (en) * 2021-08-14 2021-11-19 邓越 Hydraulic engineering environmental protection cistern
CN114471115A (en) * 2021-12-07 2022-05-13 湖南利钢金属制品有限公司 Ammonia desulphurization system with ultralow desulphurization and dedusting functions

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Denomination of invention: A new automatic sealing device for agricultural water cellar

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Assignor: Yueqing xuyao Technology Co.,Ltd.

Contract record no.: X2022330000340

Denomination of invention: A new automatic sealing device for agricultural water cellar

Granted publication date: 20201113

License type: Common License

Record date: 20220726

EE01 Entry into force of recordation of patent licensing contract