CN109518759A - A kind of vertical shaft protective device and backet - Google Patents
A kind of vertical shaft protective device and backet Download PDFInfo
- Publication number
- CN109518759A CN109518759A CN201811496122.9A CN201811496122A CN109518759A CN 109518759 A CN109518759 A CN 109518759A CN 201811496122 A CN201811496122 A CN 201811496122A CN 109518759 A CN109518759 A CN 109518759A
- Authority
- CN
- China
- Prior art keywords
- vertical shaft
- backet
- casing
- upper shell
- protective device
- Prior art date
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
- E03B3/10—Obtaining and confining water by means of wells by means of pit wells
Abstract
The invention discloses a kind of vertical shaft protective device and backets, including the casing being fixed on vertical shaft inner wall, its structural feature is, the separation cone cylinder that back cut diameter is less than lower port diameter is fixed in casing, it is located on casing and separates cone cylinder top position equipped with the leak pipe being connected to after insertion vertical shaft inner wall with soil, leak pipe is equipped with filter screen, and the lower section for separating cone cylinder is equipped with the function ring flat-plate fixed with casing；The beneficial effects of the present invention are: the environment of a safety is capable of providing, there is a situation where drowned after avoiding people and animals from falling into, to improve safety；The wholesomeness that can be improved water quality avoids bad person from even throwing into rubbish incidental in water to the harmful substance of people's body, and can be avoided rainwater and fall and fall directly into well, so that the water source in well be avoided to be contaminated；Be able to carry out it is selective get hot water and cold water, the temperature of the sun is utilized, solves the problems, such as inconvenient caused by being inconvenient to be powered in mountain to use hot water.
Description
Technical field
The invention belongs to the safeguard fields of well, and in particular to be a kind of vertical shaft protective device and backet.
Background technique
Water is Source of life, and people's lives be unable to do without water, although what people drank in city is all tap water and mine
Spring, but universal mountain area is still had not been able to electric power in some have inconvenient traffic, it is still in using traditional well, however it is traditional
When in use, there are certain risk for well, because lacking certain safeguard procedures, people and animals are caused to be easy to fall into well, special
It is not some low diathesis molecules, is often thrown into well and throw away rubbish sundries, be contaminated so as to cause water quality, influence the body of people
Health, moreover, because the limitation that area is remote, people are not available hot water in daily water consumptions such as bathings, but directly use
The well water come is just stamped, also influences health in this way.
Summary of the invention
In order to solve the above technical problems, the present invention, which provides one kind, can get hot water and can be avoided people and animals to fall out of well
Fall behind the vertical shaft protective device and backet for coming to harm and avoiding refuse pollution water quality.
To achieve the above object, the technical solution adopted by the present invention is that, a kind of vertical shaft protective device and backet, including
The casing being fixed on vertical shaft inner wall, structural feature are to be fixed with separation of the back cut diameter less than lower port diameter in casing to bore
Tin, it is located on casing and separates cone cylinder top position equipped with the leak pipe being connected to after insertion vertical shaft inner wall with soil, leak Guan Shangshe
There is filter screen, the lower section for separating cone cylinder is equipped with the function ring flat-plate fixed with casing, and the top of casing, which is connected with, to be set on casing
Annular solar energy photovoltaic panel, battery is connected with below solar energy photovoltaic panel, the function ring flat-plate is equipped with annular
Array and the circular hole radially extended, the end of circular hole are connected in function ring flat-plate and insert with the power supply of battery linearly connected
Seat, the inner wall of circular hole are equipped at least three axially extending and annular array sliding slots, are inserted with conducting metal resistance in circular hole
The one end of stick, conducting metal resistance stick being located in circular hole is connected with conductive plug, and oxidation is arranged on conducting metal resistance stick
Aluminium set, aoxidizing the distance between the outer wall of aluminium set and the inner wall of circular hole is 0.5-1mm, and the aluminium oxide, which is put on, is equipped at least two
A guide part being made of slide bar annular array in sliding slot is equipped in the sliding slot close to power outlet one end
Baffle is connected between baffle and slide bar and is set in the upper compression reseting spring of aluminium oxide set, the conducting metal resistance stick
Upper one end opposite with conductive plug is equipped with is equipped with conductive pin, and the top of conductive pin is put on and equipped with aluminium oxide is fixed on to internal diameter
To the strut being obliquely installed, the end of strut is equipped with idler wheel, and the distance of idler wheel to the center of circle of function ring flat-plate is less than the end of conductive pin
Hold to the distance in the center of circle of function ring flat-plate, be combined with backet in the separation cone cylinder, backet include upper shell and
Lower cone bottom, upper shell is integrally formed with lower cone bottom and rounding off, and cavity is equipped in the wall of upper shell, is equipped with tubular in cavity
Electric hot plate, electric hot plate are equipped with the perforation around central axis annular array, are equipped with after by braking campaign in perforation and conduction
The conductive column of needle cooperation.
As a further improvement of the present invention, upper shell is equipped with annular groove, is equipped with the system equidistantly arranged in annular groove
Move slot and positioned at the lower section of breaker slot for accommodating the cylindrical slot of conductive column, slot is equipped with spacing head, matches in slot
Conjunction has the sealing plate for being fixed on conductive column end.
As a further improvement of the present invention, conductive engagement tabs, conduction cooperation are equipped on conductive column with sealing plate opposite end
Piece is located in the mobile space for being located at and being connected in upper shell with cavity.
As a further improvement of the present invention, the peripheral wall of sealing plate is equipped with and the close-fitting gasket of slot.
As a further improvement of the present invention, conductive column is equipped with snap ring, is equipped with to be set between snap ring and spacing head and lead
Lower spring on electric column.
As a further improvement of the present invention, brake cover is equipped in breaker slot, the end face of brake cover is connected with brake bar, makes
The end of lever is located in the elongated hole being located on the bottom surface of breaker slot, is equipped with and is set between brake cover and the bottom surface of breaker slot
Upper spring on brake bar.
As a further improvement of the present invention, transmission levers, transmission levers and braking are equipped between brake bar and conductive column
It is hinged between bar and conductive column.
As a further improvement of the present invention, upper shell is equipped with the water inlet of annular array, and the top of water inlet is equipped with
Card hole, movable sleeve is equipped with lantern ring on upper shell, the end of lantern ring is connected with annular stop plate, and lantern ring is equipped with to be cooperated with card hole
Pin hole, and connect lantern ring with upper shell by bolt.
As a further improvement of the present invention, lifting curved bar is combined on upper shell, the upper opening of upper shell is combined with cone
The weight gain lid of shape, the weight gain lid of taper and the whole gravity of upper shell and lower cone bottom are greater than the compression reseting spring in circular hole and are applied
The summation of the extruding force added.
As a further improvement of the present invention, the position of dividing equally for lifting curved bar is connected with drawstring, and drawstring is equipped with marker slip,
And when the upper end of marker slip and casing is located at same horizontal line, idler wheel is contacted with brake cover.
It compares with the prior art, the beneficial effects of the present invention are:
1. the environment of a safety is capable of providing, there is a situation where drowned after avoiding people and animals from falling into, to improve safety；
2. can be improved the wholesomeness of water quality, avoid bad person that rubbish incidental is even thrown into water to the harmful substance of people's body
In, and can be avoided rainwater and fall and fall directly into well, so that the water source in well be avoided to be contaminated；
3. be able to carry out it is selective get hot water and cold water, the temperature of the sun is utilized, solving is inconvenient to lead in mountain
Inconvenient the problem of using hot water caused by electricity.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the invention；
Fig. 2 is function ring-plane structure schematic diagram of the invention；
Fig. 3 is borehole structure schematic diagram of the invention；
Fig. 4 is conducting metal resistance stick structural schematic diagram of the invention；
Fig. 5 is backet structural schematic diagram of the invention；
Wherein, 1- casing, 2- separate cone cylinder, 3- leak pipe, 4- function ring flat-plate, 5- solar energy photovoltaic panel, 6- battery, 7- circle
Hole, 8- power outlet, 9- sliding slot, 10- conducting metal resistance stick, 11- conductive plug, 12- aoxidize aluminium set, 13- slide bar, 14- gear
Plate, 15- compression reseting spring, 16- conductive pin, 17- strut, 18- idler wheel, 19- backet, 20- upper shell bore bottom under 21-,
22- cavity, 23- electric hot plate, 24- perforation, 25- conductive column, 26- annular groove, 27- breaker slot, 28- slot, 29- spacing head, 30-
Sealing plate, 31- conduction engagement tabs, 32- mobile space, 33- snap ring, spring under 34-, 35- brake cover, 36- brake bar, 37- extend
Hole, 38- upper spring, 39- transmission levers, 40- water inlet, 41- card hole, 42- lantern ring, 43- annular stop plate, 44- pin hole, 45-
Lift curved bar, 46- weight gain lid, 47- drawstring, 48- marker slip.
Specific embodiment
Explanation that the present invention will be further explained in the following with reference to the drawings and specific embodiments, but guarantor of the invention is not limited
Protect range.
As shown in Figures 1 to 4, a kind of vertical shaft protective device and backet, including the casing being fixed on vertical shaft inner wall
1, it is fixed with the separation cone cylinder 2 that back cut diameter is less than lower port diameter in the casing 1, is located on casing 1 and separates 2 top of cone cylinder
Position is equipped with the leak pipe 3 being connected to after insertion vertical shaft inner wall with soil, and leak pipe 3 is equipped with filter screen, separates the lower section of cone cylinder 2
Equipped with the function ring flat-plate 4 fixed with casing 1, the top of casing 1 is connected with the solar energy photovoltaic panel for the annular being set on casing 1
5, the lower section of solar energy photovoltaic panel 5 is connected with battery 6, and the function ring flat-plate 4 is equipped with annular array and radially extends
Circular hole 7, the power outlet 8 that the end of circular hole 7 is connected in function ring flat-plate 4 and connect with 6 property of accumulator line, circular hole 7
Inner wall is equipped at least three axially extending and annular array sliding slots 9, is inserted with conducting metal resistance stick 10 in circular hole 7, leads
The one end of electric metal resistor rod 10 being located in circular hole 7 is connected with conductive plug 11, is arranged on conducting metal resistance stick 10 aerobic
Change aluminium set 12, aoxidizes the distance between the outer wall of aluminium set 12 and the inner wall of circular hole 7 for 0.5-1mm, in the oxidation aluminium set 12
The guide part being made of 13 annular array of slide bar equipped at least two in sliding slot 9, close to electricity in the sliding slot 9
8 one end of supply socket is equipped with baffle 14, and the compression being set in oxidation aluminium set 12 is connected between baffle 14 and slide bar 13 and resets bullet
Spring 15, one end opposite with conductive plug 11 is equipped with is equipped with conductive pin 16, conductive pin 16 on the conducting metal resistance stick 10
Top be equipped with and be fixed in oxidation aluminium set 12 and the strut 17 that is radially obliquely installed, the end of strut 17 are equipped with idler wheel
18, the distance of idler wheel 18 to the center of circle of function ring flat-plate 4 is less than the distance in end to the center of circle of function ring flat-plate 4 of conductive pin 16, institute
Backet 19 is combined in the separation cone cylinder 2 stated.
As shown in figure 5, backet 19 includes upper shell 20 and lower cone bottom 21, upper shell 20 and lower cone bottom 21 are integrally formed
And rounding off, the wall of upper shell 20 is interior to be equipped with cavity 22, the electric hot plate 23 of tubular is equipped in cavity 22, electric hot plate 23 is equipped with
The conductive column cooperated after being moved by braking with conductive pin 16 is equipped in the perforation 24 of central axis annular array, perforation 24
25, upper shell 20 is equipped with annular groove 26, the breaker slot 27 equidistantly arranged is equipped in annular groove 26 and positioned at breaker slot 27
The cylindrical slot 28 for being used to accommodate conductive column 25 of lower section, slot 28 are equipped with spacing head 29, are combined with fixation in slot 28
Sealing plate 30 in 25 end of conductive column is equipped with conductive engagement tabs 31, conductive engagement tabs on conductive column 25 with 30 opposite end of sealing plate
31 are located in the mobile space 32 for being located at and being connected in upper shell 20 with cavity 22, and the peripheral wall of sealing plate 30 is equipped with close with slot 28
The gasket of cooperation, conductive column 25 are equipped with snap ring 33, are equipped with and are set on conductive column 25 between snap ring 33 and spacing head 29
Lower spring 34, breaker slot 27 is interior to be equipped with brake cover 35, and the end face of brake cover 35 is connected with brake bar 36, the end position of brake bar 36
In in the elongated hole 37 on the bottom surface for being located at breaker slot 27, it is equipped between brake cover 35 and the bottom surface of breaker slot 27 and is set in braking
Upper spring 38 on bar 36, is equipped with transmission levers 39 between brake bar 36 and conductive column 25, transmission levers 39 and brake bar 36 and
It is that hingedly, upper shell 20 is equipped with the water inlet 40 of annular array between conductive column 25, the top of water inlet 40 is equipped with card hole
41, movable sleeve is equipped with lantern ring 42 on upper shell 20, and the end of lantern ring 42 is connected with annular stop plate 43, and lantern ring 42 is equipped with and card
The pin hole 44 that hole 41 cooperates, and connect lantern ring 42 with upper shell 20 by bolt, lifting curved bar 45 is combined on upper shell 20,
The upper opening of upper shell 20 is combined with the weight gain lid 46 of taper, the entirety of the weight gain lid 46 and upper shell 20 of taper and lower cone bottom 21
Gravity is greater than the summation for the extruding force that the compression reseting spring 15 in circular hole 7 is applied, and lifting curved bar 45 divides equally position connection
There is drawstring 47, drawstring 47 is equipped with marker slip 48, and when the upper end of marker slip 48 and casing 20 is located at same horizontal line, idler wheel
18 contact with brake cover 35.
The present invention in the specific implementation, after by the weight gain lid 46 for being buckled with taper on backet 19, due to the increasing of taper
Lid 46 and upper shell 20 and the whole gravity at lower cone bottom 21 are greater than the extruding force that the compression reseting spring 15 in circular hole 7 is applied again
Summation, and be to be put into backet 19 into well, and before it will be put into backet 19 in well, can will cover
Ring 42 is removed, and then after backet 19 passes through and separates cone cylinder 2 and when passing through function ring flat-plate 4, will not be blocked by conductive pin 16,
And after backet 19 enters in water, after well water is entered by water inlet 40, backet 19 is lifted by drawstring 47,
The weight gain lid 46 of taper gradually applies motive force to conductive pin 16 and idler wheel 18, and when backet 19 is gradually drawing high process
In, idler wheel 18 and brake cover 35 cooperate, and apply pressure to brake cover 35, to be pushed away by transmission levers 39 to the application of sealing plate 30
Power, when sealing plate 30 is released, conductive column 25 removes therewith with the cooperation of conductive pin 16, and by conducting metal resistance stick 10 to power supply
8 direction of socket pushes, and then the conductive plug 11 on conducting metal resistance stick 10 and power outlet 8 cooperate, and passes through the sun at this time
Electric current is transferred to conductive column by power outlet 8 and conducting metal resistance stick 10 by the battery 6 that energy photovoltaic panel 5 saves electricity
25, so that resistance heating is carried out by electric hot plate 22, and upper shell 20 and lower cone bottom 21 are all made of corundum and are made, thus convenient pair
The heat of electric hot plate 22, which is conducted, heats water, then can continue to lift by drawstring 47, after can pulling out backet 19
Water is taken away；And when being not necessarily to fetch water, lantern ring 42 and 20 grafting of upper shell are then placed in the upper opening for separating cone cylinder 2,
As soon as being just capable of forming a closure, it can be avoided sundries at this time and people and animals fall into water, and after rainwater enters, separating cone cylinder
It is stored between 2 and casing 1, enters underground finally by leak pipe 3, rainwater imports underground water after being filtered by silt
Source.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention, and any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of vertical shaft protective device and backet, including the casing being fixed on vertical shaft inner wall, it is characterised in that: described
It is fixed with the separation cone cylinder that back cut diameter is less than lower port diameter in casing, is located on casing and separates cone cylinder top position equipped with insertion
The leak pipe being connected to after vertical shaft inner wall with soil, leak pipe are equipped with filter screen, and the lower section for separating cone cylinder is equipped with to be fixed with casing
Function ring flat-plate, the top of casing is connected with the solar energy photovoltaic panel for the annular being set on casing, under solar energy photovoltaic panel
Side is connected with battery, and the circular hole that the function ring flat-plate is equipped with annular array and radially extends, the end of circular hole is connected with
Power outlet in function ring flat-plate and with battery linearly connected, the inner wall of circular hole be equipped at least three it is axially extending and
The sliding slot of annular array, conducting metal resistance stick is inserted in circular hole, and the one end of conducting metal resistance stick being located in circular hole connects
It is connected to conductive plug, oxidation aluminium set is arranged on conducting metal resistance stick, is aoxidized between the outer wall of aluminium set and the inner wall of circular hole
Distance is 0.5-1mm, and the aluminium oxide puts on equipped at least two being made of in sliding slot slide bar annular array with
Guide part, be equipped with baffle close to power outlet one end in the sliding slot, be connected between baffle and slide bar and be set in oxidation
Compression reseting spring in aluminium set, one end opposite with conductive plug is equipped with is equipped with conduction on the conducting metal resistance stick
Needle, the top of conductive pin, which is equipped with, is fixed on the strut that aluminium oxide puts on and is radially obliquely installed, and the end of strut is equipped with rolling
Wheel, the distance of idler wheel to the center of circle of function ring flat-plate are less than the distance in end to the center of circle of function ring flat-plate of conductive pin, point
Every being combined with backet in cone cylinder, backet includes upper shell and lower cone bottom, and upper shell and lower cone bottom are integrally formed and circle
It slips over and crosses, cavity is equipped in the wall of upper shell, the electric hot plate of tubular is equipped in cavity, electric hot plate is equipped with around central axis annular
The perforation of array, perforation is interior to be equipped with the conductive column after moved by braking with conductive pin cooperation.
2. a kind of vertical shaft protective device according to claim 1 and backet, it is characterised in that: on the upper shell
The breaker slot equidistantly arranged is equipped with equipped with annular groove, in annular groove and positioned at the lower section of breaker slot for accommodating conductive column
Cylindrical slot, slot are equipped with spacing head, are combined with the sealing plate for being fixed on conductive column end in slot.
3. a kind of vertical shaft protective device according to claim 1 or 2 and backet, it is characterised in that: the conduction
Conductive engagement tabs are equipped on column with sealing plate opposite end, conductive engagement tabs are located at the mobile sky for being located at and being connected in upper shell with cavity
In.
4. a kind of vertical shaft protective device according to claim 2 and backet, it is characterised in that: the week of the sealing plate
Wall is equipped with and the close-fitting gasket of slot.
5. a kind of vertical shaft protective device according to claim 1 or 2 and backet, it is characterised in that: the conduction
Column is equipped with snap ring, and the lower spring being set on conductive column is equipped between snap ring and spacing head.
6. a kind of vertical shaft protective device according to claim 1 and backet, it is characterised in that: in the breaker slot
Equipped with brake cover, the end face of brake cover is connected with brake bar, and the end of brake bar is located at the extension being located on the bottom surface of breaker slot
In hole, the upper spring being set on brake bar is equipped between brake cover and the bottom surface of breaker slot.
7. a kind of vertical shaft protective device according to claim 6 and backet, it is characterised in that: the brake bar with
It is equipped with transmission levers between conductive column, is hinged between transmission levers and brake bar and conductive column.
8. a kind of vertical shaft protective device according to claim 1 and backet, it is characterised in that: on the upper shell
Water inlet equipped with annular array, the top of water inlet are equipped with card hole, and movable sleeve is equipped with lantern ring on upper shell, and the end of lantern ring connects
It is connected to annular stop plate, lantern ring is equipped with the pin hole cooperated with card hole, and connect lantern ring with upper shell by bolt.
9. a kind of vertical shaft protective device and backet according to claim 1 or 8, it is characterised in that: the upper cylinder
Be combined with lifting curved bar on body, the upper opening of upper shell is combined with the weight gain lid of taper, the weight gain lid and upper shell of taper and under
The whole gravity at cone bottom is greater than the summation for the extruding force that the compression reseting spring in circular hole is applied.
10. a kind of vertical shaft protective device according to claim 9 and backet, it is characterised in that: the lifting is curved
The position of dividing equally of bar is connected with drawstring, and drawstring is equipped with marker slip, and when the upper end of marker slip and casing is located at same horizontal line
When, idler wheel is contacted with brake cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811496122.9A CN109518759B (en) | 2018-12-07 | 2018-12-07 | Shaft protector and special cask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811496122.9A CN109518759B (en) | 2018-12-07 | 2018-12-07 | Shaft protector and special cask |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109518759A true CN109518759A (en) | 2019-03-26 |
| CN109518759B CN109518759B (en) | 2020-09-01 |
Family
ID=65795310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811496122.9A Active CN109518759B (en) | 2018-12-07 | 2018-12-07 | Shaft protector and special cask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109518759B (en) |
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| CN2237112Y (en) * | 1995-08-28 | 1996-10-09 | 范振明 | Electric heater for water injection well |
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| CN204661064U (en) * | 2015-06-05 | 2015-09-23 | 中国葛洲坝集团股份有限公司 | Vertical shaft hanging basket braking stop device |
| JP2016102336A (en) * | 2014-11-28 | 2016-06-02 | 株式会社ウェルシィ | Method for preventing increase in dissolved oxygen content of groundwater |
| CN205709929U (en) * | 2016-04-20 | 2016-11-23 | 青岛澳柯玛生活电器有限公司 | Automatic loading water electric kettle with water purification function |
| KR101683259B1 (en) * | 2015-01-26 | 2016-12-20 | 주식회사 지앤지테크놀러지 | System for economy water using tap water and underground water, and method for constructing this same |
| CN108432611A (en) * | 2018-05-03 | 2018-08-24 | 动视界工业设计（厦门）有限公司 | A kind of open air water intake facilities |
| CN207891956U (en) * | 2018-01-21 | 2018-09-21 | 江苏苏盐阀门机械有限公司 | A kind of well mouth protector being easily installed |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2043221U (en) * | 1988-09-24 | 1989-08-23 | 陈保福 | Auto-dumping type bucket |
| CN2237112Y (en) * | 1995-08-28 | 1996-10-09 | 范振明 | Electric heater for water injection well |
| CN102619254A (en) * | 2011-01-28 | 2012-08-01 | 白辛民 | Thermal insulation water supply well through geothermal method and construction method thereof |
| JP2016102336A (en) * | 2014-11-28 | 2016-06-02 | 株式会社ウェルシィ | Method for preventing increase in dissolved oxygen content of groundwater |
| KR101683259B1 (en) * | 2015-01-26 | 2016-12-20 | 주식회사 지앤지테크놀러지 | System for economy water using tap water and underground water, and method for constructing this same |
| CN204661064U (en) * | 2015-06-05 | 2015-09-23 | 中国葛洲坝集团股份有限公司 | Vertical shaft hanging basket braking stop device |
| CN205709929U (en) * | 2016-04-20 | 2016-11-23 | 青岛澳柯玛生活电器有限公司 | Automatic loading water electric kettle with water purification function |
| CN207891956U (en) * | 2018-01-21 | 2018-09-21 | 江苏苏盐阀门机械有限公司 | A kind of well mouth protector being easily installed |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109518759B (en) | 2020-09-01 |
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