CN211330602U - Slurry pump pipeline cleaning device - Google Patents
Slurry pump pipeline cleaning device Download PDFInfo
- Publication number
- CN211330602U CN211330602U CN201921527681.1U CN201921527681U CN211330602U CN 211330602 U CN211330602 U CN 211330602U CN 201921527681 U CN201921527681 U CN 201921527681U CN 211330602 U CN211330602 U CN 211330602U
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- China
- Prior art keywords
- stainless steel
- steel main
- main pipe
- slurry pump
- cleaning device
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- Expired - Fee Related
Links
- 239000002002 slurry Substances 0.000 title claims abstract description 37
- 238000004140 cleaning Methods 0.000 title claims abstract description 31
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 48
- 239000010935 stainless steel Substances 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000013049 sediment Substances 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 18
- 210000005239 tubule Anatomy 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 9
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000005406 washing Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model relates to a pipeline washs technical field, especially relates to a sediment stuff pump pipeline belt cleaning device. High-pressure water flow is introduced into a stainless steel main pipe, a high-pressure spray nozzle on the periphery of the bottom of the stainless steel main pipe vertically washes the inner wall of a pipeline, the insertion depth of the stainless steel main pipe is controlled, and the high-pressure washing position is controlled, so that the cleaning is very convenient; a horizontal expansion brush mechanism is arranged at the position of the high-pressure spray head below the periphery of the stainless steel main pipe, a brush is tightly attached to the inner wall of the water outlet pipe of the slurry pump under the action of a spring, and the inner wall of the water outlet pipe can be scrubbed by rotating and vertically moving the stainless steel main pipe, so that the water outlet pipe is cleaned more cleanly; when pushing down the antiskid cover, the brush is automatic to the middle part merge under the action of gravity, can easily withdraw from the brush from the inside of sediment stuff pump outlet pipe this moment, and whole belt cleaning device's design, easy operation is used very conveniently.
Description
Technical Field
The utility model relates to a pipeline washs technical field, especially relates to a sediment stuff pump pipeline belt cleaning device.
Background
The slurry pump is a centrifugal pump which is advanced and developed in recent years due to larger material transportation particles and has higher efficiency and stronger performance. Conceptually, a slurry pump refers to a device that converts electric energy into kinetic and potential energy of a medium by a machine that increases the energy of a solid-liquid mixed medium by the action of centrifugal force. It is mainly suitable for mine, power plant, dredging, metallurgy, chemical industry, building material and petroleum.
When using in building and sewage treatment field, all need in time to wash its pipeline after the sediment stuff pump uses, especially carry the sediment stuff pump of cement, if handle untimely, the cement in the pipeline solidifies on the pipeline inner wall, very difficult during the clearance.
The traditional cleaning mode is flushed through the high-pressure water pump, the cleaning is very inconvenient because the pipeline of the slurry pump is long, and the cleaning is not clean and can affect the later-stage slurry pumping operation of the slurry pump.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a cleaning device for the pipeline of the slurry pump aiming at the technical defects, which adopts a stainless steel main pipe to introduce high-pressure water flow, vertically washes the inner wall of the pipeline through a high-pressure spray head at the periphery of the bottom of the stainless steel main pipe, controls the insertion depth of the stainless steel main pipe to control the position of high-pressure washing, and is very convenient to clean; a horizontal expansion brush mechanism is arranged at the position of the high-pressure spray head below the periphery of the stainless steel main pipe, a brush is tightly attached to the inner wall of the water outlet pipe of the slurry pump under the action of a spring, and the inner wall of the water outlet pipe can be scrubbed by rotating and vertically moving the stainless steel main pipe, so that the water outlet pipe is cleaned more cleanly; when pushing down the antiskid cover, the brush is automatic to the middle part merge under the action of gravity, can easily withdraw from the brush from the inside of sediment stuff pump outlet pipe this moment, and whole belt cleaning device's design, easy operation is used very conveniently.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the device comprises a slurry pump water outlet pipe, a stainless steel main pipe, an adjusting sliding sleeve, a fixing plate, a first steel wire, a second steel wire, a spring and an adjusting locking sleeve; the lower part of the stainless steel main pipe is arranged in the water outlet pipe of the slurry pump; the bottom cover is fixedly arranged at the bottom of the stainless steel main pipe; a thin tube is arranged at the top of the stainless steel main tube; the top of the thin tube is fixedly provided with a high-pressure joint; one side of the fixed plate is provided with a hairbrush.
Further optimizing the technical scheme, a plurality of first fixing seats are uniformly arranged on the periphery of the stainless steel main pipe above the bottom cover; a second fixed seat is arranged above the first fixed seat; a first connecting rod is connected with the rotating shaft in the first fixed seat; a second connecting rod is connected with the rotating shaft in the second fixed seat; third fixing seats are arranged on two sides of the bottom of the fixing plate; and the two third fixing seats are respectively connected with the other ends of the first connecting rod and the second connecting rod through rotating shafts.
Further optimizing the technical scheme, the distance from the first fixed seat to the second fixed seat is equal to the distance between the two third fixed seats; the first connecting rod and the second connecting rod are equal in length.
Further optimizing the technical scheme, a guide block is arranged on the stainless steel main pipe above the second fixed seat; the guide block is vertically arranged; a plurality of guide grooves are uniformly formed in the inner periphery of the adjusting sliding sleeve; the guide block is connected inside the guide groove in a sliding mode.
Further optimizing the technical scheme, a plurality of fourth fixing seats are uniformly arranged on the periphery of the adjusting sliding sleeve; a fixing groove is formed in one side of the middle of the second connecting rod; the positions of the fixed groove and the fourth fixed seat are both connected with a U-shaped buckle through a rotating shaft; the two U-shaped buckles are connected through a first steel wire.
Further optimizing the technical scheme, the adjusting lock sleeve is connected to the thin tube in a sliding manner; a sealing cover is arranged below the periphery of the adjusting lock sleeve; the spring is arranged between the thin tube and the sealing cover; the bottom of the thin tube is connected with the bottom of the adjusting lock sleeve through two ends of a spring; the inner diameter of the sealing cover is equal to the outer diameter of the stainless steel main pipe; and an anti-skid sleeve is fixedly arranged outside the sealing cover.
According to the technical scheme, the periphery of the bottom of the sealing cover is provided with a plurality of fifth fixing seats; the rotating shaft on the fifth fixed seat is connected with a U-shaped buckle; and the U-shaped buckle on the fifth fixing seat is connected with the U-shaped buckle on the fourth fixing seat through a second steel wire.
Further optimize this technical scheme, first fixing base and second fixing base between be responsible for the periphery at the stainless steel and evenly fixedly be provided with a plurality of high pressure shower nozzles.
Compared with the prior art, the utility model has the advantages of it is following:
1. high-pressure water flow is introduced into the stainless steel main pipe, and the inner wall of the pipeline is vertically washed through the high-pressure spray nozzles on the periphery of the bottom of the stainless steel main pipe, so that the cleaning is thorough.
2. The insertion depth of the stainless steel main pipe is controlled to control the position of high-pressure washing, and the cleaning is very convenient.
3. The distance from the first fixed seat to the second fixed seat is equal to the distance between the two third fixed seats; the lengths of the first connecting rod and the second connecting rod are equal, so that a parallelogram structure is formed among the first fixing seat, the second fixing seat, the first connecting rod, the second connecting rod and the two third fixing seats, and the hairbrush is always parallel to the stainless steel main pipe.
4. A horizontal expansion brush mechanism is arranged at the position of the high-pressure spray head below the periphery of the stainless steel main pipe, and the brush is tightly attached to the inner wall of the water outlet pipe of the slurry pump under the action of a spring.
5. Through rotating and reciprocating the stainless steel person in charge, can scrub outlet pipe inner wall to make the outlet pipe wash cleaner, solved traditional clearance mode and washed through high pressure water pump, because of the sediment stuff pump pipeline is longer, it is very inconvenient to clear up, clears up the problem that can influence the later stage pump thick liquid operation of sediment stuff pump unclean.
6. When the anti-skidding sleeve is pushed downwards, the brush is automatically combined towards the middle part under the action of gravity, and the brush can be easily withdrawn from the inside of the water outlet pipe of the slurry pump at the moment.
7. The whole cleaning device is simple to operate and convenient to use.
Drawings
Fig. 1 is a schematic diagram of a cleaning working state of a slurry pump pipeline cleaning device.
Fig. 2 is a perspective view of the overall structure of the slurry pump pipeline cleaning device.
Fig. 3 is a schematic structural view of a bottom transmission part of the slurry pump pipeline cleaning device.
Fig. 4 is a partial sectional view of a top drive location structure of a slurry pump pipe cleaning device.
In the figure: 1. a water outlet pipe of the slurry pump; 2. a stainless steel main pipe; 201. a bottom cover; 202. a thin tube; 203. a high-pressure joint; 204. a first fixed seat; 205. a second fixed seat; 206. a first connecting rod; 207. a second connecting rod; 208. a guide block; 209. fixing grooves; 210. a high pressure spray head; 3. adjusting the sliding sleeve; 301. a guide groove; 302. a fourth fixed seat; 4. a fixing plate; 401. a brush; 402. a third fixed seat; 5. a first steel wire; 6. a second steel wire; 7. a spring; 8. adjusting the lock sleeve; 801. a sealing cover; 802. an anti-slip sleeve; 803. a fifth fixed seat; 9. and a U-shaped buckle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The first embodiment is as follows: referring to fig. 1-4, a cleaning device for a slurry pump pipeline is characterized in that: the device comprises a slurry pump water outlet pipe 1, a stainless steel main pipe 2, an adjusting sliding sleeve 3, a fixing plate 4, a first steel wire 5, a second steel wire 6, a spring 7 and an adjusting locking sleeve 8; the lower part of the stainless steel main pipe 2 is arranged in the water outlet pipe 1 of the slurry pump; the bottom cover 201 is fixedly arranged at the bottom of the stainless steel main pipe 2; a thin tube 202 is arranged at the top of the stainless steel main tube 2; the top of the thin tube 202 is fixedly provided with a high-pressure joint 203; a brush 401 is arranged on one side of the fixed plate 4; a plurality of first fixing seats 204 are uniformly arranged on the periphery of the stainless steel main pipe 2 above the bottom cover 201; a second fixed seat 205 is arranged above the first fixed seat 204; a first connecting rod 206 is connected to the inner rotating shaft of the first fixing seat 204; a second connecting rod 207 is connected to the inner part of the second fixed seat 205 through a rotating shaft; both sides of the bottom of the fixed plate 4 are provided with third fixed seats 402; the two third fixing seats 402 are respectively connected with the other ends of the first connecting rod 206 and the second connecting rod 207 through rotating shafts; the distance from the first fixing seat 204 to the second fixing seat 205 is equal to the distance between the two third fixing seats 402; the first connecting rod 206 and the second connecting rod 207 are equal in length; a guide block 208 is arranged on the stainless steel main pipe 2 above the second fixed seat 205; the guide block 208 is vertically arranged; a plurality of guide grooves 301 are uniformly formed in the inner periphery of the adjusting sliding sleeve 3; the guide block 208 is slidably connected inside the guide groove 301; a plurality of fourth fixing seats 302 are uniformly arranged on the periphery of the adjusting sliding sleeve 3; a fixing groove 209 is formed in one side of the middle of the second connecting rod 207; the positions of the fixed groove 209 and the fourth fixed seat 302 are both connected with a U-shaped buckle 9 through rotating shafts; the two U-shaped buckles 9 are connected through a first steel wire 5; the adjusting lock sleeve 8 is connected to the thin tube 202 in a sliding manner; a sealing cover 801 is arranged below the periphery of the adjusting lock sleeve 8; the spring 7 is arranged between the thin tube 202 and the sealing cover 801; the bottom of the thin tube 202 is connected with the bottom of the adjusting lock sleeve 8 through two ends of a spring 7; the inner diameter of the sealing cover 801 is equal to the outer diameter of the stainless steel main pipe 2; an anti-slip sleeve 802 is fixedly arranged outside the sealing cover 801; a plurality of fifth fixing seats 803 are arranged on the periphery of the bottom of the sealing cover 801; a U-shaped buckle 9 is connected to the upper shaft of the fifth fixed seat 803; the U-shaped buckle 9 on the fifth fixing seat 803 is connected with the U-shaped buckle 9 on the fourth fixing seat 302 through a second steel wire 6; a plurality of high-pressure nozzles 210 are uniformly and fixedly arranged on the periphery of the stainless steel main pipe 2 between the first fixing seat 204 and the second fixing seat 205.
In use, step one, as shown in fig. 1-4, during cleaning, the fixing plate 4 is pushed downward, the fixing plate 4 moves downward to drive the first connecting rod 206 to rotate downward around the first fixing seat 204, the second connecting rod 207 rotates downward around the second fixing seat 205, and the fixing plate 4 expands outward; because' one side of the middle part of the second connecting rod 207 is provided with a fixing groove 209; the positions of the fixed groove 209 and the fourth fixed seat 302 are both connected with a U-shaped buckle 9 through rotating shafts; the two U-shaped buckles 9 are connected through a first steel wire 5', so that when the second connecting rod 207 rotates downwards, the adjusting sliding sleeve 3 is pulled to move downwards through the first steel wire 5, and a plurality of fifth fixing seats 803 are arranged on the periphery of the bottom of the sealing cover 801; a U-shaped buckle 9 is connected to the upper shaft of the fifth fixed seat 803; the U-shaped buckle 9 on the fifth fixing seat 803 and the U-shaped buckle 9 on the fourth fixing seat 302 are connected by the second steel wire 6', so that when the adjusting sliding sleeve 3 moves downwards, the sealing cover 801 and the adjusting lock sleeve 8 are pulled downwards by the second steel wire 6.
Because the bottom of the thin tube 202 is connected with the bottom of the adjusting lock sleeve 8 through two ends of the spring 7, when the adjusting lock sleeve 8 slides downwards along the thin tube 202, the spring 7 is compressed and accumulated.
When the first connecting rod 206 and the second connecting rod 207 rotate to the horizontal position, the fixing plate 4 continues to be pushed downwards, at the moment, the fixing plate 4 begins to be combined towards the middle part, and when the maximum outer diameter formed by the brush 401 on the fixing plate 4 is smaller than the inner diameter of the slurry pump water outlet pipe 1, the brush 401 at the bottom of the stainless steel main pipe 2 is inserted into the slurry pump water outlet pipe 1.
And step two, as shown in fig. 1-4, when the brush 401 is inserted into the slurry pump water outlet pipe 1, the adjusting lock sleeve 8 is loosened, the adjusting lock sleeve 8 is pushed to move upwards under the action of the elastic force of the spring 7, the adjusting lock sleeve 8 drives the adjusting slide sleeve 3 to move upwards through the second steel wire 6 when moving upwards, the adjusting slide sleeve 3 can pull the fixing plate 4 and the brush 401 to expand outwards through the first steel wire 5, the first connecting rod 206 and the second connecting rod 207 when moving upwards, and the brush 401 can be tightly pressed on the inner wall of the slurry pump water outlet pipe 1 through the elastic force of the spring 7.
The distance from the first fixing seat 204 to the second fixing seat 205 is equal to the distance between the two third fixing seats 402; the first connecting rod 206 and the second connecting rod 207 have the same length, so that a parallelogram structure is formed among the first fixing seat 204 and the second fixing seat 205, the first connecting rod 206, the second connecting rod 207 and the two third fixing seats 402, and the brush 401 is always parallel to the stainless steel main pipe 2.
During the clearance, stainless steel is responsible for 2 tops high pressure joint 203 and passes through the tube coupling high pressure water pump, is responsible for 2 inside pump waters to stainless steel through high pressure water pump, because of 'be responsible for 2 peripheries at stainless steel between first fixing base 204 and the second fixing base 205 and evenly fixedly be provided with a plurality of high pressure nozzle 210', so be responsible for 2 inside water at stainless steel and pass through high pressure nozzle 210 vertical injection to the 1 inner wall of sediment stuff pump outlet pipe, wash more thoroughly.
So say through rotating and reciprocating the stainless steel and be responsible for 2, can scrub outlet pipe inner wall, wash and scrub dual combination to make the outlet pipe wash cleaner, solved traditional clearance mode and washed through high pressure water pump, because of the sediment stuff pump pipeline is longer, it is very inconvenient to clear up, clears up the problem that the clean later stage pump thick liquid operation that can influence the sediment stuff pump.
After cleaning, the anti-slip sleeve 802 is pushed downwards, the adjusting lock sleeve 8 moves downwards, so that the brush 401 is combined downwards and towards the middle part under the action of the gravity of the components such as the brush 401, the fixing plate 4, the adjusting slide sleeve 3 and the like, the brush 401 is separated from the inner wall of the slurry pump, and the brush 401 can be easily withdrawn from the inner part of the water outlet pipe 1 of the slurry pump; the whole cleaning device is simple to operate and convenient to use.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. The utility model provides a sediment stuff pump pipeline belt cleaning device which characterized in that: the device comprises a slurry pump water outlet pipe (1), a stainless steel main pipe (2), an adjusting sliding sleeve (3), a fixing plate (4), a first steel wire (5), a second steel wire (6), a spring (7) and an adjusting lock sleeve (8); the lower part of the stainless steel main pipe (2) is arranged in the water outlet pipe (1) of the slurry pump; a bottom cover (201) is fixedly arranged at the bottom of the stainless steel main pipe (2); a thin tube (202) is arranged at the top of the stainless steel main tube (2); the top of the thin tube (202) is fixedly provided with a high-pressure joint (203); one side of the fixing plate (4) is provided with a hairbrush (401).
2. The slurry pump pipe cleaning device according to claim 1, wherein: a plurality of first fixing seats (204) are uniformly arranged on the periphery of the stainless steel main pipe (2) above the bottom cover (201); a second fixed seat (205) is arranged above the first fixed seat (204); a first connecting rod (206) is connected with the inner rotating shaft of the first fixed seat (204); a second connecting rod (207) is connected with the inner part of the second fixed seat (205) through a rotating shaft; both sides of the bottom of the fixed plate (4) are provided with third fixed seats (402); the two third fixing seats (402) are respectively connected with the other ends of the first connecting rod (206) and the second connecting rod (207) in a rotating mode.
3. The slurry pump pipe cleaning device according to claim 2, wherein: the distance between the first fixing seat (204) and the second fixing seat (205) is equal to the distance between the two third fixing seats (402); the first connecting rod (206) and the second connecting rod (207) are equal in length.
4. The slurry pump pipe cleaning device according to claim 2, wherein: a guide block (208) is arranged on the stainless steel main pipe (2) above the second fixed seat (205); the guide block (208) is vertically arranged; a plurality of guide grooves (301) are uniformly formed in the inner periphery of the adjusting sliding sleeve (3); the guide block (208) is connected inside the guide groove (301) in a sliding mode.
5. The slurry pump pipe cleaning device according to claim 2, wherein: a plurality of fourth fixed seats (302) are uniformly arranged on the periphery of the adjusting sliding sleeve (3); a fixing groove (209) is formed in one side of the middle of the second connecting rod (207); the positions of the fixed groove (209) and the fourth fixed seat (302) are both connected with a U-shaped buckle (9) through rotating shafts; the two U-shaped buckles (9) are connected through a first steel wire (5).
6. The slurry pump pipe cleaning device according to claim 1, wherein: the adjusting lock sleeve (8) is connected to the thin tube (202) in a sliding manner; a sealing cover (801) is arranged below the periphery of the adjusting lock sleeve (8); the spring (7) is arranged between the tubule (202) and the sealing cover (801); the bottom of the thin tube (202) is connected with the bottom of the adjusting lock sleeve (8) through two ends of a spring (7); the inner diameter of the sealing cover (801) is equal to the outer diameter of the stainless steel main pipe (2); and an anti-skidding sleeve (802) is fixedly arranged outside the sealing cover (801).
7. The slurry pump pipe cleaning device according to claim 6, wherein: a plurality of fifth fixing seats (803) are arranged on the periphery of the bottom of the sealing cover (801); a U-shaped buckle (9) is connected to the fifth fixing seat (803) through a rotating shaft; the U-shaped buckle (9) on the fifth fixing seat (803) is connected with the U-shaped buckle (9) on the fourth fixing seat (302) through a second steel wire (6).
8. The slurry pump pipe cleaning device according to claim 2, wherein: a plurality of high-pressure spray heads (210) are uniformly and fixedly arranged on the periphery of the stainless steel main pipe (2) between the first fixing seat (204) and the second fixing seat (205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921527681.1U CN211330602U (en) | 2019-09-16 | 2019-09-16 | Slurry pump pipeline cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921527681.1U CN211330602U (en) | 2019-09-16 | 2019-09-16 | Slurry pump pipeline cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211330602U true CN211330602U (en) | 2020-08-25 |
Family
ID=72134007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921527681.1U Expired - Fee Related CN211330602U (en) | 2019-09-16 | 2019-09-16 | Slurry pump pipeline cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211330602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117884439A (en) * | 2024-03-14 | 2024-04-16 | 郯城县水务集团有限公司 | Water supply pipeline inner wall cleaning device with spray washing structure |
-
2019
- 2019-09-16 CN CN201921527681.1U patent/CN211330602U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117884439A (en) * | 2024-03-14 | 2024-04-16 | 郯城县水务集团有限公司 | Water supply pipeline inner wall cleaning device with spray washing structure |
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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 |
Granted publication date: 20200825 |