CN110773523A - Inner wall cleaning device for pipeline - Google Patents
Inner wall cleaning device for pipeline Download PDFInfo
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- CN110773523A CN110773523A CN201911070046.XA CN201911070046A CN110773523A CN 110773523 A CN110773523 A CN 110773523A CN 201911070046 A CN201911070046 A CN 201911070046A CN 110773523 A CN110773523 A CN 110773523A
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- cleaning
- wall
- fixed
- dredging
- frame
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- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/04—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces using cleaning devices introduced into and moved along the pipes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to a device related to pipeline cleaning, in particular to an inner wall cleaning device for a pipeline, which comprises a dredging device, a cleaning device and a power device, and is characterized in that: the cleaning device is movably arranged below the dredging device, the power device is movably connected below the cleaning device, and the cleaning device can move in the pipe and clean garbage and dirt at any position in the pipe; the device is provided with multi-stage cleaning, and can clean garbage and dirt in various pipes; the device can powerfully clean the garbage and dirt attached to the inner wall of the pipe, and polish and wipe the inner wall of the pipe, so that the pipe is cleaned more thoroughly.
Description
Technical Field
The invention relates to a pipeline cleaning device, in particular to an inner wall cleaning device for a pipeline.
Background
The pipeline can adhere to a large amount of rubbish after being used for a long time, the rubbish is not only messy but also can corrode the pipeline, the pipeline is often troublesome to replace, so the pipeline needs to be treated regularly, and the prior art has a plurality of defects in the pipeline treatment, for example, patent No. CN201620743035.9 is a multifunctional pipeline inner wall cleaning device which comprises a driving part, a connecting part washing part and a water injection part.
The utility model has the following disadvantages:
1. the cleaning distance is greatly limited, and the cleaning of the middle position is not thorough enough;
2. the pertinence of various wastes and dirt in the pipe cannot be adapted to be strong;
3. the garbage buncher firmly attached to the inner wall of the pipe is not controlled, and only the surface can be cleaned, so that deep cleaning cannot be achieved.
Disclosure of Invention
The invention mainly solves the technical problem of providing an inner wall cleaning and processing device for a pipeline, 1. the device can move in a pipe and can clean garbage and dirt at any position in the pipe; 2. the device is provided with multi-stage cleaning, and can clean garbage and dirt in various pipes; 3. the device can powerfully clean the garbage and dirt attached to the inner wall of the pipe, and polish and wipe the inner wall of the pipe, so that the pipe is cleaned more thoroughly.
The purpose of the invention is realized by the following technical scheme:
the inner wall cleaning and processing device for the pipeline comprises a dredging device, a cleaning device and a power device, wherein the cleaning device is movably arranged below the dredging device, and the power device is movably connected below the cleaning device.
As a further optimization of the technical scheme, the inner wall cleaning device for the pipeline comprises a dredging mechanism, a garbage collecting box body, a cleaning mechanism and a connecting main shaft, wherein the dredging mechanism is fixedly arranged above the cleaning mechanism;
the dredging mechanism comprises a power motor A, a connecting shaft sleeve, a dredging plate and a connecting sheet, wherein the power motor A is fixedly arranged on a connecting main shaft, an output shaft is arranged at the output end of the power motor A, the connecting sheet is fixedly arranged on the connecting shaft sleeve, the connecting sheet is arranged on the output shaft arranged at the output end of the power motor A through the connecting shaft sleeve, the connecting shaft sleeve is in key connection with the output shaft, the dredging plate is fixedly arranged on the connecting sheet, and the dredging plate is provided with four dredging plates which are uniformly distributed around the connecting sheet;
cleaning mechanism include unable adjustment base, motor power B, link, clearance hook, motor power B fixed mounting is on unable adjustment base, the upper end of link is provided with the ladder groove, and the ladder groove movable mounting that sets up through the upper end is on connecting the main shaft, unable adjustment base's inside is hollow structure, the link is installed to motor power B's output, link movable mounting is on connecting the main shaft, clearance hook fixed mounting is on the link, the clearance hook is provided with four, install respectively on four faces of link.
As a further optimization of the technical scheme, the inner wall cleaning device for the pipeline comprises a power motor C, a connecting ring, a driving frame, two cleaning plates, a fixed rod and a connecting ring, wherein the connecting ring is installed at the output end of the power motor C, the driving frame is fixedly installed on the connecting ring, the driving frame is fixedly installed at the middle position of the fixed rod, one end of the fixed rod is fixedly installed on the connecting ring, the other end of the fixed rod is fixedly installed on the cleaning plates, the two fixing rods are arranged, the two cleaning plates are symmetrically arranged, and the two connecting rings are movably installed on a fixed base;
the cleaning plate comprises a cleaning plate body, an inner wall polishing plate and light-weight cotton cloth, wherein the inner wall polishing plate is fixedly arranged on the inner wall polishing plate, the light-weight cotton cloth is fixedly arranged on the inner wall polishing plate, and the inner wall polishing plate is fixedly arranged above the light-weight cotton cloth.
As a further optimization of the technical scheme, the inner wall cleaning device for the pipeline comprises a fixed frame, four weight reduction grooves and four wheel mounting grooves, two power motors E are arranged on the fixed frame, the two power motors E are respectively and fixedly mounted in the two weight reduction grooves on the same side of the fixed frame, the wheel fixing shafts are mounted at the output ends of the power motors E and movably connected in the wheel mounting grooves formed in the fixed frame, the movable wheels are fixedly mounted in the middle of the wheel fixing shafts, the number of the movable wheels is four, one ends of the fixed columns are fixedly mounted on the fixed frame, the other ends of the fixed columns are provided with stepped grooves, and the stepped grooves are movably mounted on a connecting ring.
The inner wall cleaning treatment device for the pipeline has the beneficial effects that:
1. the device can move in the pipe, and can clean garbage and dirt at any position in the pipe;
2. the device is provided with multi-stage cleaning, and can clean garbage and dirt in various pipes;
3. the garbage buncher firmly attached to the inner wall of the pipe is not controlled, and only the surface can be cleaned, so that deep cleaning cannot be achieved.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of an entire inner wall cleaning apparatus for a pipe according to the present invention.
Fig. 2 is a schematic overall perspective view of an inner wall cleaning device for a pipeline according to the present invention.
Fig. 3 is a schematic overall perspective view of an inner wall cleaning device for a pipeline according to the present invention.
Fig. 4 is a schematic structural diagram of a dredging device 1 of an inner wall cleaning and processing device for a pipeline.
Fig. 5 is a schematic perspective view of a dredging device 1 of an inner wall cleaning device for a pipeline according to the present invention.
Fig. 6 is a schematic perspective view of a dredging mechanism 1-1 of an inner wall cleaning device for a pipeline according to the present invention.
Fig. 7 is a schematic top view of the cleaning mechanism 1-3 of the inner wall cleaning device for pipeline according to the present invention.
Fig. 8 is a schematic structural view of a cleaning mechanism 1-3 of an inner wall cleaning device for a pipeline according to the present invention.
Fig. 9 is a schematic perspective view of a cleaning mechanism 1-3 of an inner wall cleaning device for a pipeline according to the present invention.
Fig. 10 is a schematic structural view of a cleaning device 2 of an inner wall cleaning device for a pipeline according to the present invention.
Fig. 11 is a schematic top view of a cleaning device 2 of an inner wall cleaning device for a pipeline according to the present invention.
Fig. 12 is a schematic perspective view of a cleaning device 2 of an inner wall cleaning device for a pipeline according to the present invention.
Fig. 13 is a schematic perspective view of a cleaning plate 2-4 of an inner wall cleaning device for a pipeline according to the present invention.
Fig. 14 is a schematic top view of a power unit 3 of an inner wall cleaning apparatus for a pipeline according to the present invention.
Fig. 15 is a schematic structural view of a power unit 3 of an inner wall cleaning device for a pipeline according to the present invention.
Fig. 16 is a schematic perspective view of a power unit 3 of an inner wall cleaning device for a pipeline according to the present invention.
In the figure: a dredging device 1; a dredging mechanism 1-1; a power motor A1-1-1; connecting the shaft sleeves 1-1-2; 1-1-3 of a dredging plate; connecting sheets 1-1-4; a garbage collection box body 1-2; cleaning mechanisms 1-3; 1-3-1 of a fixed base; a power motor B1-3-2; 1-3-3 of a connecting frame; 1-3-4 of a cleaning hook; connecting main shafts 1-4; a cleaning device 2; a power motor C2-1; 2-2 of a connecting ring; 2-3 of a driving frame; 2-4 of cleaning plates; cleaning the plate body 2-4-1; 2-4-2 parts of an inner wall polishing plate; lightly rubbing cotton cloth 2-4-3; 2-5 of a fixed rod; 2-6 of connecting rings; a power plant 3; a fixed frame 3-1; a power motor E3-2; 3-3 parts of a wheel fixing shaft; 3-4 of a movable wheel; and (5) fixing columns 3-5.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
the embodiment, an inner wall cleaning device for a pipeline, a dredging device 1, a cleaning device 2 and a power device 3 are described below with reference to fig. 1, 2 and 3, wherein the cleaning device 2 is movably arranged below the dredging device 1, and the power device 3 is movably connected below the cleaning device 2.
The second embodiment is as follows:
the embodiment is described below with reference to fig. 4, 5, 6, 7, 8, and 9, and the embodiment further describes the embodiment, where the dredging device 1 includes a dredging mechanism 1-1, a garbage collection box 1-2, a cleaning mechanism 1-3, and a connecting main shaft 1-4, the dredging mechanism 1-1 is fixedly installed above the cleaning mechanism 1-3, the garbage collection box 1-2 is fixedly installed on the cleaning mechanism 1-3, the dredging mechanism 1-1 is located above the garbage collection box 1-2, the connecting main shaft 1-4 is movably connected to the cleaning mechanism 1-3, and the inside of the connecting main shaft 1-4 is a hollow structure;
the dredging mechanism 1-1 comprises a power motor A1-1-1, a connecting shaft sleeve 1-1-2, a dredging plate 1-1-3 and a connecting sheet 1-1-4, wherein the power motor A1-1-1 is fixedly arranged on a connecting main shaft 1-4, an output shaft is arranged at the output end of a1-1-1, the connecting sheet 1-1-4 is fixedly arranged on the connecting shaft sleeve 1-1-2, the connecting sheet 1-1-4 is arranged on the output shaft arranged at the output end of a power motor A1-1-1 through the connecting shaft sleeve 1-1-2, the connecting shaft sleeve 1-1-2 is in key connection with the output shaft, the dredging plate 1-1-3 is fixedly arranged on the connecting sheet 1-1-4, four dredging plates 1-1-3 are arranged and uniformly distributed around the connecting sheet 1-1-4, so that the garbage barrier and garbage with strong adhesive force can be cleaned;
the cleaning mechanism 1-3 comprises a fixed base 1-3-1, a power motor B1-3-2, a connecting frame 1-3-3 and a cleaning hook 1-3-4, wherein the power motor B1-3-2 is fixedly arranged on the fixed base 1-3-1, the upper end of the connecting frame 1-3-3 is provided with a step groove and is movably arranged on a connecting main shaft 1-4 through the step groove arranged at the upper end, the inside of the fixed base 1-3-1 is of a hollow structure, the output end of the power motor B1-3-2 is provided with the connecting frame 1-3-3, the connecting frame 1-3-3 is movably arranged on the connecting main shaft 1-4, the cleaning hook 1-3-4 is fixedly arranged on the connecting frame 1-3-3, four cleaning hooks 1-3-4 are arranged and are respectively arranged on four surfaces of the connecting frame 1-3-3 to clean filamentous garbage such as hair.
The third concrete implementation mode:
the following describes the present embodiment with reference to fig. 10, 11, 12, and 13, and the present embodiment further describes the first embodiment, the cleaning device 2 includes a power motor C2-1, a connecting ring 2-2, a driving rack 2-3, a cleaning plate 2-4, a fixing rod 2-5, and a connecting ring 2-6, the output end of the power motor C2-1 is provided with the connecting ring 2-2, the driving rack 2-3 is fixedly installed on the connecting ring 2-2, the driving rack 2-3 is fixedly installed at the middle position of the fixing rod 2-5, one end of the fixing rod 2-5 is fixedly installed on the connecting ring 2-6, the other end of the fixing rod 2-5 is fixedly installed on the cleaning plate 2-4, two fixing rods 2-5 are provided, and two cleaning plates 2-4 are provided, the cleaning plates 2-4 are symmetrically arranged, and the two connecting rings 2-6 are movably arranged on the fixed base 1-3-1;
the cleaning plate 2-4 comprises a cleaning plate body 2-4-1, an inner wall polishing plate 2-4-2 and light wiping cotton cloth 2-4-3, wherein the inner wall polishing plate 2-4-2 is fixedly arranged on the inner wall polishing plate 2-4-2, the light wiping cotton cloth 2-4-3 is fixedly arranged on the inner wall polishing plate 2-4-2, and the inner wall polishing plate 2-4-2 is fixedly arranged above the light wiping cotton cloth 2-4-3, so that the functions of cleaning garbage attached to the inner wall of the pipeline and wiping the inner wall of the pipeline are achieved.
The fourth concrete implementation mode:
referring to fig. 14, 15 and 16, the present embodiment will be further described, wherein the power device 3 includes a fixed frame 3-1, a power motor E3-2, a wheel fixing shaft 3-3, a movable wheel 3-4 and a fixed column 3-5, the fixed frame 3-1 is provided with four weight-reducing slots and four wheel mounting slots, the number of the power motors E3-2 is two, the two power motors E3-2 are respectively and fixedly mounted in the two weight-reducing slots on the same side of the fixed frame 3-1, the output end of the power motor E3-2 is provided with the wheel fixing shaft 3-3, the wheel fixing shaft 3-3 is movably connected in the wheel mounting slot provided on the fixed frame 3-1, the movable wheel 3-4 is fixedly mounted at the middle position of the wheel fixing shaft 3-3, four movable wheels 3-4 are arranged, one end of a fixed column 3-5 is fixedly arranged on the fixed frame 3-1, the other end of the fixed column 3-5 is provided with a stepped groove, and the stepped groove is movably arranged on the connecting ring 2-2 to play a role of providing power for the device to advance.
The invention relates to an inner wall cleaning treatment device for a pipeline, which has the working principle that:
in a development pipe of the device, a power motor A1-1-1 is started, the power motor A1-1-1 drives a connecting sheet 1-1-4 to rotate through a connecting shaft sleeve 1-1-2, the connecting sheet 1-1-4 rotates to drive a dredging plate 1-1-3 to rotate, the four dredging plates 1-1-3 form a cone shape to facilitate cleaning of front garbage obstacles, the dredging plate 1-1-3 rotates to contact with the inner wall of a pipeline to realize the cleaning function of the inner wall of the pipeline, the cleaned garbage enters a garbage collection box body 1-2, a power motor B1-3-2 is started, the power motor B1-3-2 rotates to drive a connecting frame 1-3-3 to rotate, the connecting frame 1-3-3 rotates to drive a cleaning hook 1-3-4 to rotate, the cleaning hook 1-3-4 rotates to hang filamentous garbage such as hair and the like adhered to the inner wall of the pipeline on the hook so as to achieve the aim of cleaning.
Starting a power motor C2-1, driving a connecting ring 2-2 to rotate by the rotation of a power motor C2-1, driving a frame 2-3 to rotate by the rotation of the connecting ring 2-2, driving the frame 2-3 to rotate and driving a cleaning plate body 2-4-1 and a connecting ring 2-6 to rotate by a fixed rod 2-5, sleeving the connecting ring 2-6 on a fixed base 1-3-1 to achieve the function of preventing the cleaning plate body 2-4-1 from rotating and deviating, driving an inner wall polishing plate 2-4-2 arranged at the upper end of the cleaning plate body 2-4-1 and a light wiping cotton cloth 2-4-3 to rotate by the rotation of the cleaning plate body 2-4-1, wherein the inner wall polishing plate 2-4-2 firstly contacts with the inner wall of a pipeline in the advancing process of the device, the inner wall of the pipeline is polished to treat dirt attached to the inner wall of the pipeline, the inner wall polishing plate 2-4-2 is contacted with the inner wall of the pipeline after the cotton cloth 2-4-3 is lightly wiped to rotate, and the polished inner wall of the pipeline is contacted to play a role in wiping the inner wall of the pipeline.
The power motor E3-2 is started, the power motor E3-2 rotates to drive the wheel fixing shaft 3-3 to rotate, the wheel fixing shaft 3-3 rotates to drive the moving wheel 3-4 to rotate, the moving wheel 3-4 rotates to be in contact with the inner wall of the pipeline, the device moves forwards in the pipeline through friction force between the moving wheel 3-4 and the inner wall of the pipeline, four moving wheels 3-4 are arranged, two moving wheels are the moving wheels 3-4, two moving wheels are the driven moving wheels 3-4, the driving moving wheels 3-4 play a role in providing power for the device to move, and the driven moving wheels 3-4 play a role in supporting the device.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (4)
1. The utility model provides an inner wall cleaning device for pipeline, includes pull throughs (1), cleaning device (2) and power device (3), its characterized in that: the cleaning device (2) is movably arranged below the dredging device (1), and the power device (3) is movably connected below the cleaning device (2).
2. The inner wall cleaning device for the pipeline according to claim 1, wherein: the dredging device (1) comprises a dredging mechanism (1-1), a garbage collection box body (1-2), a cleaning mechanism (1-3) and a connecting main shaft (1-4), wherein the dredging mechanism (1-1) is fixedly arranged above the cleaning mechanism (1-3), the garbage collection box body (1-2) is fixedly arranged on the cleaning mechanism (1-3), the dredging mechanism (1-1) is positioned above the garbage collection box body (1-2), the connecting main shaft (1-4) is movably connected onto the cleaning mechanism (1-3), and the connecting main shaft (1-4) is of a hollow structure;
the dredging mechanism (1-1) comprises a power motor A (1-1-1), a connecting shaft sleeve (1-1-2), a dredging plate (1-1-3) and a connecting sheet (1-1-4), wherein the power motor A (1-1-1) is fixedly arranged on a connecting main shaft (1-4), an output shaft is arranged at the output end of the power motor A (1-1-1), the connecting sheet (1-1-4) is fixedly arranged on the connecting shaft sleeve (1-1-2), the connecting sheet (1-1-4) is arranged on the output shaft arranged at the output end of the power motor A (1-1-1) through the connecting shaft sleeve (1-1-2), and the connecting shaft sleeve (1-1-2) is connected with the output shaft through a key, the dredging plates (1-1-3) are fixedly arranged on the connecting pieces (1-1-4), and four dredging plates (1-1-3) are uniformly distributed around the connecting pieces (1-1-4);
the cleaning mechanism (1-3) comprises a fixed base (1-3-1), a power motor B (1-3-2), a connecting frame (1-3-3) and a cleaning hook (1-3-4), wherein the power motor B (1-3-2) is fixedly arranged on the fixed base (1-3-1), the upper end of the connecting frame (1-3-3) is provided with a step groove and is movably arranged on a connecting main shaft (1-4) through the step groove arranged at the upper end, the interior of the fixed base (1-3-1) is of a hollow structure, the connecting frame (1-3-3) is arranged at the output end of the power motor B (1-3-2), the connecting frame (1-3-3) is movably arranged on the connecting main shaft (1-4), the cleaning hooks (1-3-4) are fixedly arranged on the connecting frame (1-3-3), and four cleaning hooks (1-3-4) are respectively arranged on four surfaces of the connecting frame (1-3-3).
3. An inner wall cleaning treatment apparatus for a pipe according to claim 1 or claim 2, wherein: the cleaning device (2) comprises a power motor C (2-1), a connecting ring (2-2), a driving frame (2-3), cleaning plates (2-4), a fixed rod (2-5) and a connecting ring (2-6), wherein the connecting ring (2-2) is installed at the output end of the power motor C (2-1), the driving frame (2-3) is fixedly installed on the connecting ring (2-2), the driving frame (2-3) is fixedly installed at the middle position of the fixed rod (2-5), one end of the fixed rod (2-5) is fixedly installed on the connecting ring (2-6), the other end of the fixed rod (2-5) is fixedly installed on the cleaning plates (2-4), two fixed rods (2-5) are arranged, and two cleaning plates (2-4) are arranged, the cleaning plates (2-4) are symmetrically arranged, and the two connecting rings (2-6) are movably arranged on the fixed base (1-3-1);
the cleaning plate (2-4) comprises a cleaning plate body (2-4-1), an inner wall polishing plate (2-4-2) and light wiping cotton cloth (2-4-3), wherein the inner wall polishing plate (2-4-2) is fixedly arranged on the inner wall polishing plate (2-4-2), the light wiping cotton cloth (2-4-3) is fixedly arranged on the inner wall polishing plate (2-4-2), and the inner wall polishing plate (2-4-2) is fixedly arranged above the light wiping cotton cloth (2-4-3).
4. The inner wall cleaning device for the pipeline according to claim 3, wherein: the power device (3) comprises a fixed frame (3-1), power motors E (3-2), wheel fixing shafts (3-3), moving wheels (3-4) and fixed columns (3-5), wherein the fixed frame (3-1) is provided with four weight reduction grooves and four wheel mounting grooves, two power motors E (3-2) are arranged, the two power motors E (3-2) are respectively and fixedly mounted in the two weight reduction grooves at the same side of the fixed frame (3-1), the wheel fixing shafts (3-3) are mounted at the output ends of the power motors E (3-2), the wheel fixing shafts (3-3) are movably connected in the wheel mounting grooves arranged on the fixed frame (3-1), the moving wheels (3-4) are fixedly mounted in the middle positions of the wheels (3-3) of the fixed shafts, four movable wheels (3-4) are arranged, one end of each fixed column (3-5) is fixedly arranged on the fixed frame (3-1), and the other end of each fixed column (3-5) is provided with a stepped groove which is movably arranged on the connecting ring (2-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911070046.XA CN110773523A (en) | 2019-11-05 | 2019-11-05 | Inner wall cleaning device for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911070046.XA CN110773523A (en) | 2019-11-05 | 2019-11-05 | Inner wall cleaning device for pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN110773523A true CN110773523A (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911070046.XA Pending CN110773523A (en) | 2019-11-05 | 2019-11-05 | Inner wall cleaning device for pipeline |
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| CN (1) | CN110773523A (en) |
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| CN113020150A (en) * | 2021-03-22 | 2021-06-25 | 孙庆生 | Pipeline inner wall mediation cleaning device for pipeline |
| CN114718172A (en) * | 2022-04-20 | 2022-07-08 | 北京弘石嘉业建筑设计有限公司 | Drainage pipeline structure for architectural design and use method |
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| US5947203A (en) * | 1997-02-21 | 1999-09-07 | Brown, Jr.; Billy L. | Method of cleaning a down hole casing string |
| CN106424033A (en) * | 2016-11-26 | 2017-02-22 | 西南石油大学 | Rotation jet flow type pipe cleaning device |
| CN107639089A (en) * | 2017-10-25 | 2018-01-30 | 鼎尚（大连）科技发展有限公司 | Wiper |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020150A (en) * | 2021-03-22 | 2021-06-25 | 孙庆生 | Pipeline inner wall mediation cleaning device for pipeline |
| CN114718172A (en) * | 2022-04-20 | 2022-07-08 | 北京弘石嘉业建筑设计有限公司 | Drainage pipeline structure for architectural design and use method |
| CN114718172B (en) * | 2022-04-20 | 2024-01-26 | 北京弘石嘉业建筑设计有限公司 | Drainage pipeline structure for building design and use method |
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Application publication date: 20200211 |