CN112122266A - Scaffold surface cleaning device for constructional engineering equipment - Google Patents
Scaffold surface cleaning device for constructional engineering equipment Download PDFInfo
- Publication number
- CN112122266A CN112122266A CN202010938311.8A CN202010938311A CN112122266A CN 112122266 A CN112122266 A CN 112122266A CN 202010938311 A CN202010938311 A CN 202010938311A CN 112122266 A CN112122266 A CN 112122266A
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- China
- Prior art keywords
- box body
- feeding
- wall
- scraper
- shaft
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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
- B08B9/023—Cleaning the external surface
Abstract
The invention discloses a scaffold surface cleaning device for constructional engineering equipment, and relates to the technical field of constructional equipment. The invention comprises a box body; a feeding wheel is rotatably connected to the opposite inner walls of the box body, and a cleaning roller is rotatably connected between the two inner walls; the inner wall of the box body is connected with a scraper in a sliding way; opposite side walls of the box body are provided with tip holes, and the outer wall of the box body is fixed with a fixing sleeve concentric with the tip holes; the circumferential side of the feeding wheel is uniformly provided with feeding notches; the rotating shafts at the two ends of the cleaning roller are connected with driven wheels; the inner wall of the fixed sleeve is rotatably connected with a shaft sleeve; a toothed ring is fixed on the outer wall of the shaft sleeve; the toothed ring is in transmission connection with the driven wheel; the inner wall of the shaft sleeve is matched with a tip shaft; one end of the centre shaft is fixed with a centre, and the other end of the centre shaft is connected with a first telescopic device; the scraper blades are arrayed on the side surface of the scraper blade. According to the invention, automatic feeding and discharging are realized through the feeding wheel, cleaning and polishing of the surface of the steel pipe are realized through the scraper and the cleaning roller, and the problems of poor manual cleaning effect and low cleaning efficiency in the prior art are solved.
Description
Technical Field
The invention belongs to the technical field of building equipment, and particularly relates to a scaffold surface cleaning device for building engineering equipment.
Background
The scaffold is a working platform which is erected for ensuring that each construction process is smoothly carried out. The existing scaffold is built through steel pipes. In the using process, foreign matters such as cement and the like inevitably fall on the surface of the steel pipe; meanwhile, in the using process, the steel pipe is trampled by workers or is collided by hard objects, and the surface of the steel pipe is easy to corrode.
The steel pipes are reusable components, and the steel pipes with corrosion are used for building the scaffold, so that great potential safety hazards exist in the using process.
The existing scaffold is maintained and is mainly cleaned and polished the surface of the steel pipe manually, the labor intensity of manual cleaning is high, the cleaning effect is poor, and the cleaning efficiency is lower.
Therefore, a cleaning device for scaffold steel pipes is urgently needed to be designed so as to improve the overall cleaning effect and cleaning efficiency.
Disclosure of Invention
The invention aims to provide a scaffold surface cleaning device for constructional engineering equipment, which realizes automatic feeding and discharging through a feeding wheel, realizes cleaning and polishing of the surface of a steel pipe through a scraper and a cleaning roller, and solves the problems of poor manual cleaning effect and low cleaning efficiency in the prior art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a scaffold surface cleaning device for constructional engineering equipment, which comprises a box body; a feeding wheel is rotatably connected to one opposite inner wall of the box body, and a cleaning roller is rotatably connected between the two inner walls; a feed inlet and a discharge outlet are respectively formed in the other opposite side wall of the box body; the inner wall of the box body is connected with a scraper in a sliding way; the length direction of the scraper is parallel to the axial direction of the feeding wheel; a tip hole is formed in each of opposite side walls of the box body; the outer wall of the box body is fixedly connected with a fixed sleeve which is concentric with the center hole; a plurality of feeding notches are uniformly distributed on the circumferential side surface of the feeding wheel; the feeding wheel is connected with a driving mechanism; the uppermost feeding notch of the feeding wheel corresponds to the top hole; the inner bottom surface of the feeding hole is fixedly connected with a feeding inclined plate, and one side of the feeding inclined plate corresponds to a feeding groove opening at the horizontal position of the feeding wheel; rotating shafts at two ends of the cleaning roller penetrate through the side wall of the box body and are fixedly connected with driven wheels; the inner wall of the fixed sleeve is rotatably connected with a shaft sleeve; the outer wall of the shaft sleeve is fixedly connected with a gear ring and is connected with a power mechanism through the gear ring in a transmission way; the toothed ring is in transmission connection with the driven wheel; a plurality of key bars are uniformly distributed on the inner wall of the shaft sleeve; the inner wall of the shaft sleeve is matched with a tip shaft; the peripheral side surface of the tip shaft is provided with a channel matched with the key bar; one end of the centre shaft facing the inside of the box body is fixedly connected with a centre, and the other end of the centre shaft is rotatably connected with a first telescopic device; a sewage draining outlet is formed in the side surface array of the scraper plate; a scraper blade is fixedly connected to the inner bottom surface of the sewage draining outlet; the scraper is connected with a second telescopic device.
Furthermore, a connecting shaft is fixedly connected between the two feeding wheels.
Further, the scraper blade is of an arc-shaped plate structure.
Furthermore, a box body is connected to the connecting side surface of the scraper; a box body structure is formed between the box body and the scraper; the bottom wall of the box body is provided with a plurality of sewage cleaning ports; the box body is connected with the second telescopic device.
Furthermore, a straight notch corresponding to the scraper in position is formed in the side wall of the box body; the side face of the box body is fixedly connected with a connecting rod in clearance fit with the straight notch.
Furthermore, the end part of the connecting rod penetrates through the side wall of the box body and is fixedly connected with a connecting plate; the connecting plate is rotatably connected with a transition wheel which is simultaneously meshed with the gear ring and the driven wheel.
Furthermore, the top surface fixedly connected with in the feed inlet and the swash plate parallel arrangement's of feeding limiting plate.
The invention has the following beneficial effects:
according to the automatic steel pipe feeding device, the feeding wheel in the box body rotates, and the steel pipe is driven by the feeding notch, so that the automatic feeding and discharging of the steel pipe are realized; strike off the cement piece etc. on steel pipe surface through setting up the scraper blade realization to realize polishing to steel pipe surface through setting up the cleaning roller, reduced manual operation, thereby effectual clearance effect that improves the steel pipe, and cleaning efficiency.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a scaffold surface cleaning apparatus for construction equipment according to the present invention;
FIG. 2 is a schematic rear view of the structure of FIG. 1;
FIG. 3 is a top view of the structure of FIG. 1;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
FIG. 5 is a schematic view of the construction of the bushing and the tip shaft;
FIG. 6 is a schematic view of the construction of the squeegee;
FIG. 7 is a half sectional view of the squeegee;
FIG. 8 is an enlarged view of the structure of the portion B in FIG. 7;
FIG. 9 is a schematic structural diagram of an embodiment of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-box body, 2-feeding wheel, 3-cleaning roller, 4-scraper, 5-shaft sleeve, 6-tip shaft, 7-, 101-feeding port, 102-discharging port, 103-straight notch, 104-tip hole, 105-fixing sleeve, 106-feeding inclined plate, 107-limiting plate, 201-feeding notch, 202-connecting shaft, 301-driven wheel, 401-sewage discharging port, 402-scraper blade, 403-second expansion device, 404-box body, 405-sewage cleaning port, 406-connecting rod, 407-connecting plate, 408-transition wheel, 501-toothed ring, 502-key strip, 503-power mechanism, 601-channel, 602-tip and 603-first expansion device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-4, the present invention relates to a scaffold surface cleaning device for construction equipment, which comprises a box body 1, wherein the box body 1 is a rectangular structure. A feeding wheel 2 is rotatably connected to one opposite inner wall of the box body 1, and a cleaning roller 3 is rotatably connected between the two inner walls; the other opposite side wall of the box body 1 is respectively provided with a feed inlet 101 and a discharge outlet 102.
The inner wall of the box body 1 is connected with a scraping plate 4 in a sliding way; the length direction of the scraping plate 4 is parallel to the axial direction of the feeding wheel 2; a tip hole 104 is formed on one opposite side wall of the box body 1; the outer wall of the box body 1 is welded or screwed with a fixing sleeve 105 which is concentrically arranged with the tip hole 104.
As shown in fig. 4, four feeding notches 201 are uniformly distributed on the circumferential side surface of the feeding wheel 2, the width of each feeding notch 201 is larger than or equal to the diameter of a scaffold steel pipe, and the depth of each feeding notch 201 is larger than or equal to the diameter of a steel pipe. The feeding wheel 2 is connected with a driving mechanism which can be a motor and the like, and the motor can be connected with the dividing plate and connected with the feeding wheel 2 through the dividing plate, so that the feeding wheel 2 rotates at the same angle every time, for example, rotates at 90 degrees every time. The feeding groove opening 201 at the top of the feeding wheel 2 corresponds to the position of the top hole 104, so that the feeding wheel 2 is provided with one feeding groove opening 201 corresponding to the position of the top hole 104 after rotating every time.
Meanwhile, a connecting shaft 202 is fixedly connected between the two feeding wheels 2, and the two feeding wheels 2 can rotate synchronously through the connecting shaft 202, so that the rotation of the two feeding wheels 2 can be realized through a driving mechanism.
The bottom surface welding or the screw connection has feeding swash plate 106 in feed inlet 101, and feeding swash plate 106 one side corresponds with the last silo mouth 201 of loading wheel 2 horizontal position, places the steel pipe on the feeding swash plate 106, and the slope sets up makes the steel pipe can roll automatically and fall to the last silo mouth 201 of loading wheel 2 in to rotate through loading wheel 2 and take the steel pipe to and apex hole 104 corresponds the position. Wherein, top surface welding or screwed connection have with feeding swash plate 106 parallel arrangement's limiting plate 107 in the feed inlet 101, the diameter of limiting plate 107 and feeding swash plate 106's interval more than or equal to steel pipe can make the steel pipe arrange in proper order on feeding swash plate 106 through setting up limiting plate 107, guarantees in the steel pipe can smoothly get into material loading notch 201.
The rotating shafts at the two ends of the cleaning roller 3 penetrate through the side wall of the box body 1 and are fixedly connected with driven wheels 301. The inner wall of the fixed sleeve 105 is rotatably connected with a shaft sleeve 5; the outer wall of the shaft sleeve 5 is fixedly connected with a toothed ring 501, and is connected with a power mechanism 503 in a transmission way through the toothed ring 501; the power mechanism 503 may be a motor, an output shaft of the motor is connected to a gear engaged with the gear ring 501 to realize power transmission, and the motor is mounted on the outer wall of the box 1 through a motor bracket. The ring gear 501 is drivingly connected to the driven wheel 301.
As shown in fig. 5, a plurality of keybars 502 are uniformly distributed on the inner wall of the shaft sleeve 5; the inner wall of the shaft sleeve 5 is matched with a tip shaft 6; the peripheral side surface of the center shaft 6 is provided with a groove 601 matched with the key bar 502, so that the center shaft 6 can axially move in the shaft sleeve 5, and the circumferential rotation between the center shaft and the shaft sleeve realizes synchronization. A centre 602 is welded at one end of the centre shaft 6 facing the inside of the box body 1, and the other end of the centre shaft is rotatably connected with a first telescopic device 603; the first telescopic device 603 can be connected with the motor support, the axial movement of the center shaft 6 is realized through the first telescopic device 603, and the center shaft extends into the box body 1 through the center hole 104, so that the ends of the steel pipes are propped against the end parts of the steel pipes by utilizing the centers 602 on two sides of the box body 1, the steel pipes are clamped, the shaft sleeves are driven to rotate through the power mechanism 503, and then the rotation of the steel pipes is realized through the rotation of the center shaft 6.
Wherein the rotation center of the center 602 is higher than that of the steel pipe, so that the center 602 is pressed against the end of the steel pipe and then lifts the steel pipe, the upper side of the steel pipe is higher than the feeding wheel 2,
as shown in fig. 6-8, a sewage draining exit 401 is arranged on the side surface of the scraper 4 in an array; the inner bottom surface of the sewage draining outlet 401 is welded or screwed with a scraper blade 402; a second telescopic device 403 is connected to the squeegee 4. The second expansion device 403 and the first expansion device 603 may be cylinders, hydraulic cylinders, or electric push rods.
Wherein, the scraper 4 is in an arc-shaped plate structure. Scraper blade 4 becomes the arc structure, and the adaptation steel pipe that is convenient for can be better improves scraper blade 402 and to the effect of striking off on steel pipe surface.
As shown in fig. 9, preferably, a box 404 is welded on the connecting side of the scraper 4; a box body structure is formed between the box body 404 and the scraping plate 4; the bottom wall of the box body 404 is provided with a plurality of decontamination openings 405; the box 404 is connected to the second telescopic device 403. The box body 404 is pushed by the second telescopic device 403, so that the scraper 4 approaches the steel pipe 7, the scraper blade 402 scrapes off cement or foreign matters adhered to the surface of the steel pipe 7 through rotation of the steel pipe 7, the scraped cement or foreign matters are discharged into the box body 404 through the sewage discharge port 401, and the scraped cement or foreign matters are discharged through the sewage discharge port 405. The box body 404 can be used for collecting cement or foreign matters, so that the cement or foreign matters are prevented from falling into the box body 1, and the subsequent inconvenient cleaning is avoided.
Meanwhile, the side wall of the box body 1 is provided with a straight notch 103 corresponding to the position of the scraper 4; the side of the box body 404 is fixedly connected with a connecting rod 406 which is in clearance fit with the straight notch 103. Moreover, the end of the connecting rod 406 penetrates the side wall of the box body 1 and is fixedly connected with a connecting plate 407; the connecting plate 407 is rotatably connected with a transition wheel 408 which is simultaneously meshed with the toothed ring 501 and the driven wheel 301.
When the second telescopic device 403 pushes the box body 404, the transition wheel 408 advances synchronously, and when the scraper blade 402 cleans the steel pipe 7, the transition wheel 408 is simultaneously meshed with the toothed ring 501 and the driven wheel 301, so that the cleaning roller 3 is driven to rotate, and the surface of the steel pipe 7 is polished by the cleaning roller 3. Meanwhile, as the power transmission is carried out through the transition wheel 408, the rotating direction of the cleaning roller 3 is opposite to that of the steel pipe 7, thereby being beneficial to improving the polishing effect on the surface of the steel pipe 7.
After cleaning and polishing, the center 602 retreats, the feeding wheel 2 rotates to drive the steel pipe 7 to one side of the discharge port 102, and the steel pipe is automatically rolled out of the box body 1 through the discharge port 102, and a weldable inclined plate is arranged at the discharge port 102, so that the steel pipe 7 can be conveniently rolled out of the discharge port 102.
Meanwhile, the feeding wheel 2 drives the steel pipe 7 on the side of the feeding inclined plate 106 to the upper side in the rotation process, so that the center 602 advances to clamp the steel pipe 7, and the circular operation is realized.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A scaffold surface cleaning device for constructional engineering equipment comprises a box body (1); the method is characterized in that: a feeding wheel (2) is rotatably connected to one opposite inner wall of the box body (1), and a cleaning roller (3) is rotatably connected between the two inner walls; a feed inlet (101) and a discharge outlet (102) are respectively formed in the other opposite side wall of the box body (1);
the inner wall of the box body (1) is connected with a scraper (4) in a sliding way; the length direction of the scraper (4) is parallel to the axial direction of the feeding wheel (2); one opposite side wall of the box body (1) is provided with a tip hole (104); the outer wall of the box body (1) is fixedly connected with a fixed sleeve (105) which is concentric with the center hole (104);
a plurality of feeding notches (201) are uniformly distributed on the circumferential side surface of the feeding wheel (2); the feeding wheel (2) is connected with a driving mechanism; the feeding notch (201) at the uppermost part of the feeding wheel (2) corresponds to the position of the tip hole (104);
a feeding inclined plate (106) is fixedly connected to the inner bottom surface of the feeding hole (101), and one side of the feeding inclined plate (106) corresponds to a feeding notch (201) of the feeding wheel (2) in the horizontal position;
rotating shafts at two ends of the cleaning roller (3) penetrate through the side wall of the box body (1) and are fixedly connected with driven wheels (301);
the inner wall of the fixed sleeve (105) is rotatably connected with a shaft sleeve (5); the outer wall of the shaft sleeve (5) is fixedly connected with a toothed ring (501), and is in transmission connection with a power mechanism (503) through the toothed ring (501); the toothed ring (501) is in transmission connection with the driven wheel (301);
a plurality of key bars (502) are uniformly distributed on the inner wall of the shaft sleeve (5); the inner wall of the shaft sleeve (5) is matched with a tip shaft (6); the peripheral side surface of the tip shaft (6) is provided with a channel (601) matched with the key bar (502); one end of the centre shaft (6) facing the inside of the box body (1) is fixedly connected with a centre (602), and the other end of the centre shaft is rotatably connected with a first telescopic device (603);
a sewage draining outlet (401) is formed in the side surface of the scraper (4) in an array mode; a scraper blade (402) is fixedly connected to the inner bottom surface of the sewage draining outlet (401); the scraper (4) is connected with a second telescopic device (403).
2. The scaffolding surface cleaning device for building engineering equipment according to claim 1, characterized in that a connecting shaft (202) is fixedly connected between the two loading wheels (2).
3. The scaffold surface cleaning apparatus for building engineering equipment according to claim 1, characterized in that the scraper (4) is of an arc-shaped plate structure.
4. A scaffold surface cleaning device for building engineering equipment according to claim 1 or 2 or 3, characterized in that a box (404) is connected to the connecting side of the scraper (4); a box body structure is formed between the box body (404) and the scraper (4);
a plurality of sewage cleaning ports (405) are formed in the bottom wall of the box body (404); the box body (404) is connected with a second telescopic device (403).
5. The scaffold surface cleaning device for building engineering equipment according to claim 4, characterized in that the side wall of the box body (1) is provided with a straight notch (103) corresponding to the position of the scraper (4); the side surface of the box body (404) is fixedly connected with a connecting rod (406) which is in clearance fit with the straight notch (103).
6. A scaffolding surface cleaning device for constructional engineering equipment as in claim 5 wherein the ends of the tie rods (406) extend through the side walls of the box (1) and are fixedly connected with tie plates (407); the connecting plate (407) is rotatably connected with a transition wheel (408) which is simultaneously meshed with the toothed ring (501) and the driven wheel (301).
7. The scaffold surface cleaning device for building engineering equipment according to claim 1 or 2 or 3 or 5 or 6, characterized in that a limiting plate (107) arranged in parallel with the feeding inclined plate (106) is fixedly connected to the inner top surface of the feeding hole (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010938311.8A CN112122266A (en) | 2020-09-09 | 2020-09-09 | Scaffold surface cleaning device for constructional engineering equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010938311.8A CN112122266A (en) | 2020-09-09 | 2020-09-09 | Scaffold surface cleaning device for constructional engineering equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112122266A true CN112122266A (en) | 2020-12-25 |
Family
ID=73846317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010938311.8A Withdrawn CN112122266A (en) | 2020-09-09 | 2020-09-09 | Scaffold surface cleaning device for constructional engineering equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112122266A (en) |
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| RU2212959C2 (en) * | 2001-06-19 | 2003-09-27 | Открытое акционерное общество "Татнефть" | Pipe outer surface cleaning apparatus |
| CN2652531Y (en) * | 2003-10-31 | 2004-11-03 | 陕西明大海皓智能控制有限公司 | Cleaning device for petroleum drill rod outer wall |
| CN101386013A (en) * | 2008-10-28 | 2009-03-18 | 河南省中原内配股份有限公司 | Long cast tube coating sweeper |
| KR20110067440A (en) * | 2009-12-14 | 2011-06-22 | 주식회사 다산 | Automatic pipe cleaning system |
| CN203170646U (en) * | 2013-03-28 | 2013-09-04 | 鞍钢股份有限公司 | Hot rolling seamless pipe soot blower |
| CN207371912U (en) * | 2017-09-29 | 2018-05-18 | 河南省稳众汽车配件有限公司 | A kind of shock absorber steel pipe cleaning machine |
| CN208866092U (en) * | 2018-08-03 | 2019-05-17 | 徐州中通给排水材料有限公司 | Pipe outer surface cleaning device |
| CN209502459U (en) * | 2018-12-05 | 2019-10-18 | 思维自动化设备（天津）有限公司 | A kind of thorough fin can washing apparatus of cleaning |
| CN111482416A (en) * | 2020-04-08 | 2020-08-04 | 高友华 | Scraping device for PE pipe and using method thereof |
| CN211217867U (en) * | 2019-12-05 | 2020-08-11 | 冯小英 | Oil field gathering pipeline cleaning equipment |
-
2020
- 2020-09-09 CN CN202010938311.8A patent/CN112122266A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2212959C2 (en) * | 2001-06-19 | 2003-09-27 | Открытое акционерное общество "Татнефть" | Pipe outer surface cleaning apparatus |
| CN2652531Y (en) * | 2003-10-31 | 2004-11-03 | 陕西明大海皓智能控制有限公司 | Cleaning device for petroleum drill rod outer wall |
| CN101386013A (en) * | 2008-10-28 | 2009-03-18 | 河南省中原内配股份有限公司 | Long cast tube coating sweeper |
| KR20110067440A (en) * | 2009-12-14 | 2011-06-22 | 주식회사 다산 | Automatic pipe cleaning system |
| CN203170646U (en) * | 2013-03-28 | 2013-09-04 | 鞍钢股份有限公司 | Hot rolling seamless pipe soot blower |
| CN207371912U (en) * | 2017-09-29 | 2018-05-18 | 河南省稳众汽车配件有限公司 | A kind of shock absorber steel pipe cleaning machine |
| CN208866092U (en) * | 2018-08-03 | 2019-05-17 | 徐州中通给排水材料有限公司 | Pipe outer surface cleaning device |
| CN209502459U (en) * | 2018-12-05 | 2019-10-18 | 思维自动化设备（天津）有限公司 | A kind of thorough fin can washing apparatus of cleaning |
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| CN111482416A (en) * | 2020-04-08 | 2020-08-04 | 高友华 | Scraping device for PE pipe and using method thereof |
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Application publication date: 20201225 |
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