CN114130771B - Inside cleaning device of city water supply pipe - Google Patents
Inside cleaning device of city water supply pipe Download PDFInfo
- Publication number
- CN114130771B CN114130771B CN202210116898.3A CN202210116898A CN114130771B CN 114130771 B CN114130771 B CN 114130771B CN 202210116898 A CN202210116898 A CN 202210116898A CN 114130771 B CN114130771 B CN 114130771B
- Authority
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- China
- Prior art keywords
- cleaning device
- wheel
- electric telescopic
- rough
- fine
- 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
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 116
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 238000005498 polishing Methods 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 11
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/049—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
- B08B9/051—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled the cleaning devices having internal motors, e.g. turbines for powering cleaning tools
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
- F16L55/30—Constructional aspects of the propulsion means, e.g. towed by cables
- F16L55/32—Constructional aspects of the propulsion means, e.g. towed by cables being self-contained
- F16L55/34—Constructional aspects of the propulsion means, e.g. towed by cables being self-contained the pig or mole being moved step by step
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/10—Treating the inside of pipes
- F16L2101/12—Cleaning
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to the technical field of pipeline cleaning, in particular to an internal cleaning device for a city water supply pipeline, wherein a traveling driving device is of a cross structure consisting of four first electric telescopic rods, and the end parts of the four first electric telescopic rods are provided with anti-skidding wheels; the rough cleaning device is fixedly connected with a motor shaft of the rotating motor through a coupling, the rough cleaning device is in a wheel-shaped structure, and a plurality of scraper knife strips which can be tilted outwards are arranged on the outer ring of the rough cleaning device; the fine cleaning device is also in a wheel-shaped structure and is fixedly connected to one side of the coarse cleaning device through a coupler. The invention has the beneficial effects that: the three components of the invention can be adjusted telescopically, thus adapting to pipelines with different pipe diameters; the rough cleaning wheel firstly carries out preliminary rust removal, and then the fine cleaning wheel is used for polishing, so that the pipeline cleaning efficiency can be improved, and the loss of a rust removal friction piece is reduced; in addition, after the front end part of the scraper knife strip is abraded, the scraper knife strip can be automatically pushed forwards through the pushing electric cylinder, and the efficiency reduction caused by shutdown and replacement is avoided.
Description
Technical Field
The invention relates to the technical field of pipeline cleaning, in particular to an internal cleaning device for a city water supply pipeline.
Background
At present, after a city water supply pipeline runs for a long time, the inner wall of the city water supply pipeline is easy to rust and block, so the inside of the city water supply pipeline needs to be cleaned regularly.
1. The existing cleaning device cannot adapt to pipelines with different pipe diameters, and the cleaning devices with a plurality of sizes need to be replaced when the pipelines with different pipe diameters are cleaned.
2. The existing rotary rust removal device has poor rust removal effect, and is mainly characterized in that friction rust removal parts are easy to wear, and the friction rust removal parts are worn out and cannot continue to remove rust when the device moves to the half distance inside a pipeline.
Therefore, the application designs the pipeline internal cleaning device with high endurance and high adaptability to solve the problems.
Disclosure of Invention
The invention provides an internal cleaning device for a city water supply pipeline, which aims to make up for the defects of the prior art.
The invention is realized by the following technical scheme:
the utility model provides an inside cleaning device of city water supply pipe, includes advancing drive arrangement, coarse cleaning device and smart cleaning device, its characterized in that:
the travelling driving device is of a cross-shaped structure consisting of four first electric telescopic rods, anti-skidding wheels are arranged at the end parts of the four first electric telescopic rods and driven by an anti-skidding wheel driving motor on one side, one side of the center position of the cross-shaped structure is fixedly connected with a rotating motor, and an auxiliary traction rope is fixed on the other side of the center position;
the rough cleaning device is fixedly connected with a motor shaft of the rotating motor through a coupler, the rough cleaning device is of a wheel-shaped structure, and a plurality of scraper knife strips capable of tilting outwards are arranged on the outer ring of the rough cleaning device;
the fine cleaning device is also of a wheel-shaped structure and is fixedly connected to one side of the coarse cleaning device through a coupler, and a plurality of liftable polishing blocks are arranged on the outer ring of the fine cleaning device.
Further, in order to better realize the invention, the travel driving device is fixed with a storage battery on the first electric telescopic rod, and the storage battery is electrically connected with all electric components of the cleaning device through an electric wire and a conductive sliding ring.
Furthermore, in order to better realize the invention, the rough cleaning device comprises a rough cleaning wheel, one end of a rough cleaning wheel central shaft of the rough cleaning wheel is connected with a motor shaft of a rotating motor through a coupling, and the other end of the rough cleaning wheel central shaft is connected with a fine cleaning wheel central shaft of the fine cleaning device through a coupling; a transverse through groove is formed in a wheel rim of the coarse cleaning wheel and serves as a shovel blade groove, a shovel blade strip penetrates through the shovel blade groove, the side wall of one end of the shovel blade strip abuts against the piston end of the propelling electric cylinder, and the bottom of the other end of the shovel blade strip abuts against the top of the second electric telescopic rod; the propelling electric cylinder is connected to the central shaft of the rough cleaning wheel through a propelling electric cylinder connecting rod, and the bottom of the second electric telescopic rod is fixedly connected to the central shaft of the rough cleaning wheel.
Furthermore, in order to better realize the cleaning device, a pressure sensor is arranged at the top of the second electric telescopic rod and is in communication connection with a control chip, the control chip is installed on the first electric telescopic rod, and the control chip is in communication connection with all electric components of the cleaning device; the scraper knife strip is an elastic steel sheet, ratchets are arranged on two sides of the scraper knife strip, pawls are connected to two sides of the inner wall of the scraper knife groove, and the ratchets and the pawls are matched to prevent the scraper knife strip from backing up.
Further, in order to better realize the invention, a plurality of magnetic materials are embedded in the rim parts of the rough cleaning device and the fine cleaning device.
Furthermore, in order to better realize the invention, the fine cleaning device comprises a fine cleaning wheel, a longitudinal through groove is formed in a wheel rim of the fine cleaning wheel and is used as a polishing block groove, a polishing block is arranged in the polishing block groove, the bottom of the polishing block is connected with a third electric telescopic rod, and the bottom of the third electric telescopic rod is fixedly connected to a central shaft of the fine cleaning wheel.
The invention has the beneficial effects that:
the three components of the invention can be adjusted telescopically, thus being suitable for pipelines with different pipe diameters; the rough cleaning wheel firstly carries out preliminary rust removal, and then the fine cleaning wheel is used for polishing, so that the pipeline cleaning efficiency can be improved, and the loss of a rust removal friction piece is reduced; in addition, after the front end part of the scraper knife strip is abraded, the scraper knife strip can be automatically pushed forwards through the pushing electric cylinder, and the efficiency reduction caused by shutdown and replacement is avoided.
Drawings
FIG. 1 is a schematic perspective view of the present invention operating in a pipeline;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic perspective view of the second embodiment of the present invention;
FIG. 4 is a schematic perspective view of the travel drive of the present invention;
FIG. 5 is a schematic perspective view of a rough cleaning apparatus according to the present invention;
FIG. 6 is a schematic perspective view of a rough cleaning apparatus according to the second embodiment of the present invention;
FIG. 7 is a schematic perspective view of a fine cleaning apparatus according to the present invention;
fig. 8 is a schematic structural view of the rough cleaning apparatus of fig. 5 according to the present invention, in which a blade bar portion is located inside a blade groove.
In the figure, the position of the upper end of the main shaft,
1. a traveling driving device 101, a first electric telescopic rod 102, an anti-skid wheel 103, an anti-skid wheel driving motor 104, a rotating motor 105, a storage battery 106 and an auxiliary traction rope,
2. a rough cleaning device 201, a rough cleaning wheel central shaft 202, a rough cleaning wheel 203, a scraper knife groove 204, a scraper knife strip 2041, a ratchet, 2042, a pawl 205, a propelling electric cylinder 206, a propelling electric cylinder connecting rod 207 and a second electric telescopic rod,
3. a fine cleaning device 301, a fine cleaning wheel central shaft 302, a fine cleaning wheel 303, a polishing block groove 304, a polishing block 305, a third electric telescopic rod,
4. a pipeline.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Fig. 1-8 show a specific embodiment of the present invention, which is an internal cleaning device for an urban water collecting pipeline, as shown in fig. 1, 2 and 3, the device is composed of three parts, namely a traveling driving device 1, a rough cleaning device 2 and a fine cleaning device 3, the traveling driving device 1 as shown in fig. 4 is a cross-shaped structure composed of four first electric telescopic rods 101, the ends of the four first electric telescopic rods 101 are all provided with anti-skid wheels 102, the anti-skid wheels 102 are driven by an anti-skid wheel driving motor 103 on one side, one side of the center position of the cross-shaped structure is fixedly connected with a rotating motor 104, the other side of the center position is fixedly provided with an auxiliary pulling rope 106, the auxiliary pulling rope 106 plays a role of pulling and traveling when the anti-skid wheels 102 fail, the surface of the anti-skid wheels 102 is engraved with anti-skid lines to prevent the traveling driving device 1 from rotating in the inner diameter direction of the pipeline 4, the traveling driving device 1 is characterized in that a storage battery 105 is fixed on the first electric telescopic rod 101, the storage battery 105 is electrically connected with all electric parts of the cleaning device through an electric wire and a conductive sliding ring, the conductive sliding ring adopts the conventional design, and the structural mode of electrical connection is not described again here. The rough cleaning device 2 is fixedly connected with a motor shaft of the rotating motor 104 through a coupler, the rough cleaning device 2 is in a wheel-shaped structure, and a plurality of blade bars 204 which can be tilted outwards are arranged on the outer circle of the rough cleaning device 2; the fine cleaning device 3 is also in a wheel-shaped structure, is fixedly connected to one side of the coarse cleaning device 2 through a coupler, and is provided with a plurality of liftable polishing blocks 304 on the outer ring.
As shown in fig. 5 and 6, the rough cleaning device 2 includes a rough cleaning wheel 202, one end of a rough cleaning wheel center shaft 201 of the rough cleaning wheel 202 is connected to a motor shaft of the rotating motor 104 through a coupling, and the other end is connected to a fine cleaning wheel center shaft 301 of the fine cleaning device 3 through a coupling; a transverse through groove is formed in the rim of the rough cleaning wheel 202 to serve as a scraper groove 203, a scraper strip 204 penetrates through the scraper groove 203, the side wall of one end of the scraper strip 204 abuts against the piston end of the propelling electric cylinder 205, and the bottom of the other end of the scraper strip 204 abuts against the top of the second electric telescopic rod 207; propelling electric cylinder 205 is connected on thick cleaning wheel center pin 201 through propelling electric cylinder connecting rod 206, the bottom fixed connection of second electric telescopic handle 207 is on thick cleaning wheel center pin 201, and the top position of second electric telescopic handle 207 is equipped with pressure sensor, and pressure sensor communication connection control chip, control chip install on first electric telescopic handle 101, and all electric components of cleaning device are connected in the control chip communication. When the shovel blade strip 204 is used, the front end of the shovel blade strip 204 is jacked up by the second electric telescopic rod 207 to enable the shovel blade strip 204 to contact the inner wall of the pipeline 4, when the front end of the shovel blade strip 204 is worn out and does not work, the pressure sensor at the top of the second electric telescopic rod 207 can detect that the pressure is reduced, the control chip controls the propelling electric cylinder 205 to operate, the shovel blade strip 204 is pushed forwards, and the front end of the shovel blade strip 204 can contact the inner wall of the pipeline 4 again.
As shown in fig. 8, the spatula strip 204 is an elastic steel sheet, ratchets 2041 are arranged on two sides of the spatula strip 204, pawls 2042 are connected to two sides of the inner wall of the spatula groove 203, and the ratchets 2041 and the pawls 2042 cooperate to prevent the spatula strip 204 from backing up.
As shown in fig. 7, the fine cleaning device 3 includes a fine cleaning wheel 302, a longitudinal through groove is formed on a rim of the fine cleaning wheel 302 as a polishing block groove 303, a polishing block 304 is arranged in the polishing block groove 303, the bottom of the polishing block 304 is connected with a third electric telescopic rod 305, and the bottom of the third electric telescopic rod 305 is fixedly connected to a central shaft 301 of the fine cleaning wheel. The pressure sensor can be installed at the top end of the third electric telescopic rod 305 to adjust the pressure of the polishing block 304 contacting the inner wall of the pipeline 4, but due to the preliminary rust removal of the rough cleaning device 2, the polishing block 304 of the fine cleaning device 3 is not too worn seriously, and in order to reduce the cost, the third electric telescopic rod 305 can be extended at intervals by using a timer carried by a control chip.
In addition, a plurality of magnetic materials are embedded in the rim parts of the rough cleaning device 2 and the fine cleaning device 3, when the scrap iron on the inner wall of the pipeline 4 is removed, the scrap iron can be adsorbed at the rim parts, and only the rim parts need to be cleaned finally.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. The utility model provides an inside cleaning device of city water supply pipe, includes advancing drive arrangement (1), coarse cleaning device (2) and smart cleaning device (3), its characterized in that:
the travelling driving device (1) is of a cross-shaped structure consisting of four first electric telescopic rods (101), anti-skidding wheels (102) are arranged at the end parts of the four first electric telescopic rods (101), the anti-skidding wheels (102) are driven by an anti-skidding wheel driving motor (103) on one side, one side of the center position of the cross-shaped structure is fixedly connected with a rotating motor (104), and the other side of the center position is fixedly provided with an auxiliary traction rope (106);
the rough cleaning device (2) is fixedly connected with a motor shaft of the rotating motor (104) through a coupler, the rough cleaning device (2) is of a wheel-shaped structure, and a plurality of shovel blade strips (204) which can be tilted outwards are arranged on the outer circle of the rough cleaning device; the rough cleaning device (2) comprises a rough cleaning wheel (202), one end of a rough cleaning wheel central shaft (201) of the rough cleaning wheel (202) is connected with a motor shaft of the rotating motor (104) through a coupler, and the other end of the rough cleaning wheel central shaft is connected with a fine cleaning wheel central shaft (301) of the fine cleaning device (3) through a coupler;
a transverse through groove is formed in a rim of the coarse cleaning wheel (202) and serves as a shovel blade groove (203), a shovel blade strip (204) penetrates through the shovel blade groove (203), the side wall of one end of the shovel blade strip (204) props against the piston end of the propelling electric cylinder (205), and the bottom of the other end of the shovel blade strip (204) props against the top of the second electric telescopic rod (207);
the electric propulsion cylinder (205) is connected to the rough cleaning wheel central shaft (201) through an electric propulsion cylinder connecting rod (206), and the bottom of the second electric telescopic rod (207) is fixedly connected to the rough cleaning wheel central shaft (201);
the top of the second electric telescopic rod (207) is provided with a pressure sensor which is in communication connection with a control chip, the control chip is installed on the first electric telescopic rod (101), and the control chip is in communication connection with all electric components of the cleaning device;
the shovel blade bar (204) is an elastic steel sheet, ratchets (2041) are arranged on two sides of the shovel blade bar (204), pawls (2042) are crossed on two sides of the inner wall of the shovel blade groove (203), and the ratchets (2041) and the pawls (2042) are matched to prevent the shovel blade bar (204) from backing up;
the fine cleaning device (3) is also of a wheel-shaped structure and is fixedly connected to one side of the coarse cleaning device (2) through a coupler, and a plurality of liftable polishing blocks (304) are arranged on the outer ring of the fine cleaning device.
2. The inside cleaning device of a city water supply pipe according to claim 1, characterized in that:
the traveling driving device (1) is characterized in that a storage battery (105) is fixed on the first electric telescopic rod (101), and the storage battery (105) is electrically connected with all electric components of the cleaning device through an electric wire and a conductive slip ring.
3. The inside cleaning device of a city water supply pipe according to claim 1, characterized in that:
a plurality of magnetic materials are embedded in the rim parts of the coarse cleaning device (2) and the fine cleaning device (3).
4. The inside cleaning device of a city water supply pipe according to claim 1, characterized in that:
the fine cleaning device (3) comprises a fine cleaning wheel (302), a longitudinal through groove is formed in a wheel rim of the fine cleaning wheel (302) and serves as a polishing block groove (303), a polishing block (304) is arranged in the polishing block groove (303), the bottom of the polishing block (304) is connected with a third electric telescopic rod (305), and the bottom of the third electric telescopic rod (305) is fixedly connected onto a fine cleaning wheel center shaft (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210116898.3A CN114130771B (en) | 2022-02-08 | 2022-02-08 | Inside cleaning device of city water supply pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210116898.3A CN114130771B (en) | 2022-02-08 | 2022-02-08 | Inside cleaning device of city water supply pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114130771A CN114130771A (en) | 2022-03-04 |
| CN114130771B true CN114130771B (en) | 2022-04-26 |
Family
ID=80381953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210116898.3A Expired - Fee Related CN114130771B (en) | 2022-02-08 | 2022-02-08 | Inside cleaning device of city water supply pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114130771B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116480356B (en) * | 2023-04-07 | 2024-01-26 | 中铁隧道股份有限公司 | Variable-resistance-based shield tunneling machine host translation device and application method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6553602B1 (en) * | 1997-09-13 | 2003-04-29 | Slovensky Plynarensky Priemysel, S.P. | Device for pipeline interior cleaning |
| CN107470286A (en) * | 2017-08-28 | 2017-12-15 | 六安市金安区元通包装设计中心（普通合伙） | A kind of municipal pipeline cleaning plant |
| CN209035037U (en) * | 2018-10-30 | 2019-06-28 | 浙江蓝绿双城建筑设计有限公司 | A kind of apparatus for eliminating sludge in pipe |
| CN210053767U (en) * | 2019-05-23 | 2020-02-14 | 龙岩市烟草公司上杭分公司 | Coulter wear compensation device |
| CN211839411U (en) * | 2020-03-05 | 2020-11-03 | 上海景铭建设发展有限公司 | Cleaning device for hard deposition in pipeline |
| CN212442417U (en) * | 2020-05-27 | 2021-02-02 | 济宁高新公用事业发展股份有限公司 | Heating power pipeline scrubbing device |
| CN213378328U (en) * | 2020-08-05 | 2021-06-08 | 宁夏西格马农牧业有限公司 | Milk pipeline's belt cleaning device |
-
2022
- 2022-02-08 CN CN202210116898.3A patent/CN114130771B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6553602B1 (en) * | 1997-09-13 | 2003-04-29 | Slovensky Plynarensky Priemysel, S.P. | Device for pipeline interior cleaning |
| CN107470286A (en) * | 2017-08-28 | 2017-12-15 | 六安市金安区元通包装设计中心（普通合伙） | A kind of municipal pipeline cleaning plant |
| CN209035037U (en) * | 2018-10-30 | 2019-06-28 | 浙江蓝绿双城建筑设计有限公司 | A kind of apparatus for eliminating sludge in pipe |
| CN210053767U (en) * | 2019-05-23 | 2020-02-14 | 龙岩市烟草公司上杭分公司 | Coulter wear compensation device |
| CN211839411U (en) * | 2020-03-05 | 2020-11-03 | 上海景铭建设发展有限公司 | Cleaning device for hard deposition in pipeline |
| CN212442417U (en) * | 2020-05-27 | 2021-02-02 | 济宁高新公用事业发展股份有限公司 | Heating power pipeline scrubbing device |
| CN213378328U (en) * | 2020-08-05 | 2021-06-08 | 宁夏西格马农牧业有限公司 | Milk pipeline's belt cleaning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114130771A (en) | 2022-03-04 |
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Granted publication date: 20220426 |