CN209509061U - ' Water hammer ' arrester for water main of high-rise building - Google Patents
' Water hammer ' arrester for water main of high-rise building Download PDFInfo
- Publication number
- CN209509061U CN209509061U CN201821864307.6U CN201821864307U CN209509061U CN 209509061 U CN209509061 U CN 209509061U CN 201821864307 U CN201821864307 U CN 201821864307U CN 209509061 U CN209509061 U CN 209509061U
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- China
- Prior art keywords
- water
- wall
- bottom side
- dashpot
- movable
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses ' Water hammer ' arrester for water main of high-rise building, including water supplying pipe, the water supplying pipe bottom side is fixedly installed with buffer stopper, through-hole is offered on the inner wall of water supplying pipe bottom side, buffer stopper top side offers dashpot, through-hole is connected with dashpot, push plate is movably installed in dashpot, the two sides of push plate are in contact with the two sides inner wall of dashpot respectively, push plate bottom side is movably installed with two movable blocks, two movable block bottom sides are rotatably equipped with the first bar, and the mounting groove below push plate is offered on the two sides inner wall of the dashpot.The utility model structure is simple, when water supply inner pipe water pressure stirs generation water hammering, two movable blocks are close to each other and squeeze the first spring counteracting part hydraulic pressure, when water hammering is larger, push plate opens apopore while decline, biggish hydraulic pressure is alleviated by way of water flow is discharged, so that eliminating water hammering when high rise building water supply meets use demand to the destructive power of water pipe.
Description
Technical field
The utility model relates to technical field of fire control more particularly to ' Water hammer ' arrester for water main of high-rise building.
Background technique
Into high-floor feedwater, often due to the suddenly change of termination of pumping or pressure and generate water hammering, i.e., fluid is in pipe
When being flowed in road or water band, since flow drastic change or flowing stop suddenly, so that fluid dynamic energy is immediately transferred to pressure energy, cause to press
Power steeply rises the phenomenon that with pressure wave roundtrip propagation.This instantaneous raised pressure is up to several times of normal pressure or even tens
Times, it is sufficient to make pipeline, gate damage, the explosion of water band influences delivery of water, it is to the effect of pipeline, water band, gate like hammering
Equally, therefore referred to as water hammer.
The patent of Publication No. CN201744103U discloses a kind of ' Water hammer ' arrester for water main of high-rise building, energy
It is ideally connect with the fire hose coupling of fire brigade's equipment, reaches laborsaving, efficient, safe, effective protection fire engine water-pump
And fireman, the purpose of height of delivery and intensity is improved, the fire fighting and rescue needs of a line firefighters are met.Suitable for high level
Water supply main line, effective protection water pump and equipment, brave dangers without fighter and carry out pressure release.It puts out a fire, passes through for fire brigade
Check-valves effectively can actually avoid water flow from flowing back, but the hydraulic pressure that water hammer generates still remains, and is not eased, to out
Water pipe still has destructive power, therefore has room for improvement.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the high rise building water supply proposed is dry
Line " water hammer " cancellation element.
To achieve the goals above, the utility model adopts the technical scheme that
' Water hammer ' arrester for water main of high-rise building, including water supplying pipe, the water supplying pipe bottom side are fixedly installed with slow
Block is rushed, through-hole is offered on the inner wall of water supplying pipe bottom side, buffer stopper top side offers dashpot, and through-hole is connected with dashpot, delays
Push plate is movably installed in jet-bedding, the two sides of push plate are in contact with the two sides inner wall of dashpot respectively, push plate bottom side activity installation
There are two movable blocks, and two movable block bottom sides are rotatably equipped with the first bar, offer on the two sides inner wall of the dashpot
Mounting groove below push plate is movably installed with pushing block in two mounting grooves, and the bottom side of two the first bars rotates respectively
It is mounted on the top side of two pushing blocks, the bottom side of two pushing blocks is rotatably equipped with the second bar, the bottom end of two the second bars
It is rotatably equipped with the same movable plate, movable plate top side offers the rotation hole between two the second bars, the dashpot
Bottom side inner wall on be rotatably equipped with Rotational Cylindrical, rotation hole is run through on the top of Rotational Cylindrical, and fixing sleeve is connected to be located at and live in Rotational Cylindrical
Rotating disc below movable plate, rotating disc bottom side are fixedly installed with pin shaft, and push-pull rod, the side of the dashpot are socketed on pin shaft
The apopore above push plate is offered on inner wall, regulating tank is offered on the bottom side inner wall of apopore, and regulating tank is close to be pushed away
Adjustment hole is offered on the side inner wall of pull rod, and baffle is movably installed in regulating tank, plate bottom side is rotatably equipped with connecting rod,
Push-pull rod is rotatably equipped with adjusting rod close to one end of connecting rod, and one end of adjusting rod through adjustment hole and is rotatably installed in connection
On the bottom end of bar.
Preferably, the bottom side of the push plate offers shifting chute, and the top side of two movable blocks is slidably mounted on shifting chute
Placement block that is interior, being fixedly installed between two movable blocks on the top side inner wall of shifting chute, the side for placing block offer
Movable span is movably installed with two motion bars in movable span, and one end that two motion bars are located remotely from each other all extends in shifting chute
And it is respectively and fixedly installed on two movable block sides close to each other.
Preferably, sliding groove is offered on the top side of the movable span and bottom side inner wall, two motion bars are close to each other
One end be fixedly installed with movable block, the top side and bottom side of movable block are slidably mounted on respectively in two sliding grooves, two work
Motion block side close to each other is fixedly installed with same first spring.
Preferably, limiting slot is offered on the two sides inner wall of the dashpot, the two sides of push plate are slidably mounted on respectively
In two limiting slots.
Preferably, the top side of the pushing block offers the slide opening in mounting groove, is slidably fitted with slide bar in slide opening,
The both ends of slide bar all extend to outside slide opening and are respectively and fixedly installed on the top side and bottom side inner wall of mounting groove, movable sleeve on slide bar
It is connected to second spring, the top of second spring is fixedly mounted on the bottom side of pushing block, and the bottom end of second spring is fixedly mounted on
On the bottom side inner wall of mounting groove.
Preferably, rotation slot is offered on the bottom side inner wall of the dashpot, the bottom end of Rotational Cylindrical is rotatably installed in rotation
In slot.
Preferably, the rotation hole is far from kelly is fixedly installed on the side inner wall of baffle, and shape of threads is opened in Rotational Cylindrical
Equipped with card slot, one end of kelly is extended in card slot.
Preferably, fixing groove is offered on the top side inner wall of the apopore, the top side of baffle extends in fixing groove.
Preferably, the top side of the push-pull rod offers rotating hole, and the bottom end of pin shaft through rotating hole and is fixedly installed with
Block.
Preferably, the regulating tank is far from offering sliding slot on the side inner wall of Rotational Cylindrical, baffle far from Rotational Cylindrical one
Side is fixedly installed with the sliding block in regulating tank, and sliding block is slidably mounted in sliding slot far from the side of Rotational Cylindrical.
Compared with prior art, the utility model has the beneficial effects that
In the utility model, by water supplying pipe, buffer stopper, through-hole, dashpot, push plate, shifting chute, movable block, place block,
Movable span, motion bar, the first bar, mounting groove, slide bar, slide opening, pushing block, is used cooperatively movable block, when water supply inner pipe water pressure
When stirring generation water hammering, hydraulic pressure increases so that push plate moves down, while push plate drives two movable blocks to move down
Close to each other, two movable blocks drive two motion bars mobile, and then compress the first spring, when water hammering is smaller, by the
The deformation of one spring and moving down on a small quantity for push plate can buffer the most of hydraulic pressure of counteracting, by the second bar, movable plate, rotation slot,
Rotational Cylindrical, rotation hole, card slot, kelly, rotating disc, pin shaft, push-pull rod, apopore, fixing groove, baffle, regulating tank, adjustment hole,
Adjusting rod, connecting rod are used cooperatively, and when water hammering is larger, movable block pushes pushing block by the first bar, so that pushing block
It moves down, second spring is compressed, and pushing block pushes movable plate to move down by the second bar, and then is driven by connecting rod
Baffle moves down, until the top side of baffle removes fixing groove, apopore is opened at this time, and biggish hydraulic pressure is discharged by water flow
Form is alleviated, and after hydraulic pressure decline under second spring and the first spring collective effect, baffle resets；
The utility model structure is simple, and when water supply inner pipe water pressure stirs generation water hammering, two movable blocks are close to each other
And squeeze the first spring and offset part hydraulic pressure, when water hammering is larger, push plate opens apopore, biggish hydraulic pressure while decline
Alleviated by way of water flow is discharged, the destructive power of water pipe is met to eliminate water hammering when high rise building water supply
Use demand.
Detailed description of the invention
Fig. 1 be the utility model proposes ' Water hammer ' arrester for water main of high-rise building structural schematic diagram；
Fig. 2 be the utility model proposes ' Water hammer ' arrester for water main of high-rise building Fig. 1 in the structure of part A show
It is intended to；
Fig. 3 be the utility model proposes ' Water hammer ' arrester for water main of high-rise building Fig. 1 in the structure of part B show
It is intended to；
Fig. 4 be the utility model proposes ' Water hammer ' arrester for water main of high-rise building Fig. 1 in the structure of C portion show
It is intended to.
In figure: 1 water supplying pipe, 2 buffer stoppers, 3 through-holes, 4 dashpots, 5 push plates, 6 shifting chutes, 7 movable blocks, 8 placement blocks, 9 are lived
Dynamic hole, 10 movable blocks, 11 motion bars, 12 first bars, 13 mounting grooves, 14 slide bars, 15 slide openings, 16 pushing blocks, 17 second bars, 18 are lived
Movable plate, 19 rotation slots, 20 Rotational Cylindricals, 21 rotation holes, 22 card slots, 23 kellies, 24 rotating discs, 25 pin shafts, 26 push-pull rods, 27 water outlets
Hole, 28 fixing grooves, 29 baffles, 30 regulating tanks, 31 adjustment holes, 32 adjusting rods, 33 connecting rods.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-4, ' Water hammer ' arrester for water main of high-rise building, including water supplying pipe 1,1 bottom side of water supplying pipe are fixed
Buffer stopper 2 is installed, offers through-hole 3 on 1 bottom side inner wall of water supplying pipe, 2 top side of buffer stopper offers dashpot 4, through-hole 3 and slow
Jet-bedding 4 is connected, and push plate 5 is movably installed in dashpot 4, and the two sides of push plate 5 connect with the two sides inner wall of dashpot 4 respectively
Touching, 5 bottom side of push plate are movably installed with two movable blocks 7, and two 7 bottom sides of movable block are rotatably equipped with the first bar 12, dashpot 4
Two sides inner wall on offer the mounting groove 13 positioned at the lower section of push plate 5, be movably installed with pushing block in two mounting grooves 13
16, the bottom side of two the first bars 12 is rotatably installed in respectively on the top side of two pushing blocks 16, and the bottom side of two pushing blocks 16 is equal
It is rotatably equipped with the second bar 17, the bottom end of two the second bars 17 is rotatably equipped with the same movable plate 18, and 18 top side of movable plate is opened
Equipped with the rotation hole 21 being located between two the second bars 17, it is rotatably equipped with Rotational Cylindrical 20 on the bottom side inner wall of dashpot 4, is rotated
Rotation hole 21 is run through on the top of column 20, and fixing sleeve is connected to the rotating disc 24 positioned at 18 lower section of movable plate, rotating disc in Rotational Cylindrical 20
24 bottom sides are fixedly installed with pin shaft 25, and push-pull rod 26 is socketed on pin shaft 25, offered on the side inner wall of dashpot 4 be located at push away
The apopore 27 of the top of plate 5, offers regulating tank 30 on the bottom side inner wall of apopore 27, regulating tank 30 close to push-pull rod 26 one
Adjustment hole 31 is offered on the inner wall of side, baffle 29 is movably installed in regulating tank 30, and 29 bottom side of baffle is rotatably equipped with connecting rod
33, push-pull rod 26 is rotatably equipped with adjusting rod 32 close to one end of connecting rod 33, and adjustment hole 31 is run through simultaneously in one end of adjusting rod 32
It is rotatably installed on the bottom end of connecting rod 33, when hydraulic pressure stirs generation water hammering in water supplying pipe 1, hydraulic pressure increases so that push plate
5 move down, and push plate 5 drives two movable blocks 7 to move down, and the bottom end of two movable blocks 7 is rotatably equipped with pushing block 16,
So that driving two movable blocks 7 close to each other when push plate 5 moves down, two movable blocks 7 drive two motion bars 11 mobile, two work
Lever 11 drives two movable blocks 10 mobile respectively, and then compresses the first spring, when water hammering is smaller, passes through the first spring
Deformation and moving down on a small quantity for push plate 5 can buffer the most of hydraulic pressure of counteracting, and when water hammering is larger, movable block 7 passes through the first bar
12 push pushing block 16, so that pushing block 16 moves down, second spring is compressed.
The bottom side of push plate 5 offers shifting chute 6, and the top side of two movable blocks 7 is slidably mounted in shifting chute 6, mobile
The placement block 8 being fixedly installed between two movable blocks 7 on the top side inner wall of slot 6, the side for placing block 8 offer activity
Hole 9 is movably installed with two motion bars 11 in movable span 9, and one end that two motion bars 11 are located remotely from each other all extends to shifting chute 6
It is interior and be respectively and fixedly installed on two sides close to each other of movable block 7, it is opened up on the top side of movable span 9 and bottom side inner wall
There is sliding groove, two motion bars 11 one end close to each other is fixedly installed with movable block 10, the top side and bottom side of movable block 10
It is slidably mounted in two sliding grooves respectively, two sides close to each other of movable block 10 are fixedly installed with same first bullet
Spring offers limiting slot on the two sides inner wall of dashpot 4, and the two sides of push plate 5 are slidably mounted in two limiting slots respectively, push away
The top side of motion block 16 offers the slide opening 15 in mounting groove 13, is slidably fitted with slide bar 14 in slide opening 15, and the two of slide bar 14
End all extends to outside slide opening 15 and is respectively and fixedly installed on the top side and bottom side inner wall of mounting groove 13, pivot bush unit on slide bar 14
There is second spring, the top of second spring is fixedly mounted on the bottom side of pushing block 16, and the bottom end of second spring is fixedly mounted on
On the bottom side inner wall of mounting groove 13, rotation slot 19, the bottom end rotational installation of Rotational Cylindrical 20 are offered on the bottom side inner wall of dashpot 4
In rotation slot 19, rotation hole 21 is far from being fixedly installed with kelly 23, shape of threads in Rotational Cylindrical 20 on the side inner wall of baffle 29
Card slot 22 is offered, one end of kelly 23 extends in card slot 22, and fixing groove 28 is offered on the top side inner wall of apopore 27, keeps off
The top side of plate 29 extends in fixing groove 28, and the top side of push-pull rod 26 offers rotating hole, and rotating hole is run through in the bottom end of pin shaft 25
And it is fixedly installed with block, regulating tank 30 is far from sliding slot is offered on the side inner wall of Rotational Cylindrical 20, and baffle 29 is far from Rotational Cylindrical
20 side is fixedly installed with the sliding block in regulating tank 30, and sliding block is slidably mounted on sliding slot far from the side of Rotational Cylindrical 20
Interior, pushing block 16 pushes movable plate 18 to move down by the second bar 17, and movable plate 18 drives fixture block 23 downward in card slot 22
Mobile, so that Rotational Cylindrical 20 rotates, Rotational Cylindrical 20 drives rotating disc 24 to rotate, and rotating disc 24 drives push-and-pull by pin shaft 25
Bar 26 rotates, and push-pull rod 26 pulls adjusting rod 32, and drives baffle 29 to move down by connecting rod 33, until the top of baffle 29
Sidesway goes out fixing groove 28, and apopore 27 is opened at this time, and biggish hydraulic pressure is alleviated by way of water flow is discharged, hydraulic pressure decline
Afterwards under second spring and the first spring collective effect, baffle 29 resets, to eliminate water hammering pair when high rise building water supply
The destructive power of water pipe.
Working principle: when in water supplying pipe 1 hydraulic pressure stir generate water hammering when, hydraulic pressure increases so that push plate 5 moves down,
Push plate 5 drives two movable blocks 7 to move down, and the bottom end of two movable blocks 7 is rotatably equipped with pushing block 16, so that push plate 5
Drive two movable blocks 7 close to each other when moving down, two movable blocks 7 drive two motion bars 11 mobile, and two motion bars 11 divide
Not Dai Dong two movable blocks 10 it is mobile, and then compress the first spring, when water hammering is smaller, by the deformation of the first spring and push away
Moving down on a small quantity for plate 5 can buffer the most of hydraulic pressure of counteracting, and when water hammering is larger, movable block 7 is pushed away by the first bar 12
Motion block 16, so that pushing block 16 moves down, second spring is compressed, pushing block 16 by the second bar 17 push movable plate 18 to
Lower movement, movable plate 18 drive fixture block 23 to move down in card slot 22, so that Rotational Cylindrical 20 rotates, Rotational Cylindrical 20 is driven
Rotating disc 24 rotates, and rotating disc 24 drives push-pull rod 26 to rotate by pin shaft 25, and push-pull rod 26 pulls adjusting rod 32, and passes through company
Extension bar 33 drives baffle 29 to move down, until the top side of baffle 29 removes fixing groove 28, apopore 27 is opened at this time, biggish
Hydraulic pressure is alleviated by way of water flow is discharged, after hydraulic pressure decline under second spring and the first spring collective effect, baffle
29 reset, so that eliminating water hammering when high rise building water supply meets use demand to the destructive power of water pipe.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (10)
1. ' Water hammer ' arrester for water main of high-rise building, including water supplying pipe (1), which is characterized in that water supplying pipe (1) bottom
Side is fixedly installed with buffer stopper (2), is offered through-hole (3) on the inner wall of water supplying pipe (1) bottom side, buffer stopper (2) top side offers slow
Jet-bedding (4), through-hole (3) are connected with dashpot (4), are movably installed with push plate (5) in dashpot (4), the two sides point of push plate (5)
It is not in contact with the two sides inner wall of dashpot (4), push plate (5) bottom side is movably installed with two movable blocks (7), two movable blocks
(7) bottom side is rotatably equipped with the first bar (12), is offered under push plate (5) on the two sides inner wall of the dashpot (4)
The mounting groove (13) of side, two mounting grooves (13) are interior to be movably installed with pushing block (16), the bottom side point of two the first bars (12)
It is not rotatably installed on the top side of two pushing blocks (16), the bottom side of two pushing blocks (16) is rotatably equipped with the second bar
(17), the bottom end of two the second bars (17) is rotatably equipped with the same movable plate (18), and movable plate (18) top side, which offers, to be located at
Rotation hole (21) between two the second bars (17) is rotatably equipped with Rotational Cylindrical (20) on the bottom side inner wall of the dashpot (4),
Rotation hole (21) are run through on the top of Rotational Cylindrical (20), and fixing sleeve is connected to the rotation below movable plate (18) in Rotational Cylindrical (20)
Disk (24), rotating disc (24) bottom side are fixedly installed with pin shaft (25), and push-pull rod (26), the dashpot are socketed on pin shaft (25)
(4) apopore (27) above push plate (5) is offered on side inner wall, is offered on the bottom side inner wall of apopore (27)
Regulating tank (30), regulating tank (30) offer adjustment hole (31) on the side inner wall of push-pull rod (26), in regulating tank (30)
It is movably installed with baffle (29), baffle (29) bottom side is rotatably equipped with connecting rod (33), and push-pull rod (26) is close to connecting rod (33)
One end be rotatably equipped with adjusting rod (32), one end of adjusting rod (32) is through adjustment hole (31) and is rotatably installed in connecting rod
(33) on bottom end.
2. ' Water hammer ' arrester for water main of high-rise building according to claim 1, which is characterized in that the push plate
(5) bottom side offers shifting chute (6), and the top side of two movable blocks (7) is slidably mounted in shifting chute (6), shifting chute (6)
Top side inner wall on be fixedly installed with placement block (8) between two movable blocks (7), the side for placing block (8) offers
Movable span (9), movable span (9) is interior to be movably installed with two motion bars (11), and one end that two motion bars (11) are located remotely from each other is equal
It extends in shifting chute (6) and is respectively and fixedly installed on two movable block (7) sides close to each other.
3. ' Water hammer ' arrester for water main of high-rise building according to claim 2, which is characterized in that the movable span
(9) sliding groove is offered on top side and bottom side inner wall, two motion bar (11) one end close to each other are fixedly installed with
Movable block (10), the top side and bottom side of movable block (10) are slidably mounted on respectively in two sliding grooves, two movable block (10) phases
Mutually close side is fixedly installed with same first spring.
4. ' Water hammer ' arrester for water main of high-rise building according to claim 1, which is characterized in that the dashpot
(4) limiting slot is offered on two sides inner wall, the two sides of push plate (5) are slidably mounted on respectively in two limiting slots.
5. ' Water hammer ' arrester for water main of high-rise building according to claim 1, which is characterized in that the pushing block
(16) top side offers the slide opening (15) in mounting groove (13), is slidably fitted with slide bar (14), slide bar in slide opening (15)
(14) both ends all extend to slide opening (15) outside and are respectively and fixedly installed on the top side and bottom side inner wall of mounting groove (13), slide bar
(14) movable sleeve is connected to second spring on, and the top of second spring is fixedly mounted on the bottom side of pushing block (16), second spring
Bottom end be fixedly mounted on the bottom side inner wall of mounting groove (13).
6. ' Water hammer ' arrester for water main of high-rise building according to claim 1, which is characterized in that the dashpot
(4) it is offered on bottom side inner wall rotation slot (19), the bottom end of Rotational Cylindrical (20) is rotatably installed in rotation slot (19).
7. ' Water hammer ' arrester for water main of high-rise building according to claim 1, which is characterized in that the rotation hole
(21) it is fixedly installed with kelly (23) on the side inner wall far from baffle (29), shape of threads offers card slot in Rotational Cylindrical (20)
(22), one end of kelly (23) extends in card slot (22).
8. ' Water hammer ' arrester for water main of high-rise building according to claim 1, which is characterized in that the apopore
(27) it is offered on top side inner wall fixing groove (28), the top side of baffle (29) extends in fixing groove (28).
9. ' Water hammer ' arrester for water main of high-rise building according to claim 1, which is characterized in that the push-pull rod
(26) top side offers rotating hole, and the bottom end of pin shaft (25) through rotating hole and is fixedly installed with block.
10. ' Water hammer ' arrester for water main of high-rise building according to claim 1, which is characterized in that the adjusting
Far from sliding slot is offered on the side inner wall of Rotational Cylindrical (20), side of the baffle (29) far from Rotational Cylindrical (20) is fixed to pacify slot (30)
Equipped with the sliding block being located in regulating tank (30), sliding block is slidably mounted in sliding slot far from the side of Rotational Cylindrical (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821864307.6U CN209509061U (en) | 2018-11-13 | 2018-11-13 | ' Water hammer ' arrester for water main of high-rise building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821864307.6U CN209509061U (en) | 2018-11-13 | 2018-11-13 | ' Water hammer ' arrester for water main of high-rise building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209509061U true CN209509061U (en) | 2019-10-18 |
Family
ID=68189375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821864307.6U Expired - Fee Related CN209509061U (en) | 2018-11-13 | 2018-11-13 | ' Water hammer ' arrester for water main of high-rise building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209509061U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413270A (en) * | 2020-11-30 | 2021-02-26 | 鲁伟 | Water hammer effect offset device for straight water flow pipeline |
| CN113108152A (en) * | 2021-05-20 | 2021-07-13 | 中北大学 | Method for eliminating water hammer of mine drainage pipeline |
| CN113107593A (en) * | 2021-05-20 | 2021-07-13 | 中北大学 | Water hammer eliminating device for mine drainage |
| CN113482105A (en) * | 2021-08-02 | 2021-10-08 | 安徽皖水水务发展有限公司 | Anti-pollution filtering type wisdom water supply system |
-
2018
- 2018-11-13 CN CN201821864307.6U patent/CN209509061U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413270A (en) * | 2020-11-30 | 2021-02-26 | 鲁伟 | Water hammer effect offset device for straight water flow pipeline |
| CN112413270B (en) * | 2020-11-30 | 2022-08-30 | 广东纳大管业科技有限公司 | Water hammer effect offset device for straight water flow pipeline |
| CN113108152A (en) * | 2021-05-20 | 2021-07-13 | 中北大学 | Method for eliminating water hammer of mine drainage pipeline |
| CN113107593A (en) * | 2021-05-20 | 2021-07-13 | 中北大学 | Water hammer eliminating device for mine drainage |
| CN113108152B (en) * | 2021-05-20 | 2022-06-07 | 中北大学 | Method for eliminating water hammer of mine drainage pipeline |
| CN113482105A (en) * | 2021-08-02 | 2021-10-08 | 安徽皖水水务发展有限公司 | Anti-pollution filtering type wisdom water supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 Termination date: 20201113 |