Prestressed concrete cylinder pipe (PCCP) anti-corrosion full-protection device
By designing a full anti-corrosion protection device for PCCP pipes, the problem of waste of paint caused by excessive spraying and inability to spray the inner and outer walls at the same time is solved, the recycling and spray uniformity of paint is achieved, and the working efficiency and service life of PCCP pipes are improved.
Patent Information
- Application Number
- CN202422280909.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-09-19
AI Technical Summary
The existing PCCP pipe spraying devices have problems such as excessive spraying, resulting in waste of paint and inability to spray the inner and outer walls simultaneously.
A PCCP pipe anti-corrosion full protection device is designed, including a recycling tray, scraping tray, an outer wall coating scraping device and an inner wall coating device to realize the recycling and uniform spraying of the paint, and spraying the inner and outer walls at the same time.
The recycling of paint is realized, the waste of paint is avoided, the uniformity and consistency of spraying is ensured, the spraying time is shortened, and the working efficiency and the service life of PCCP tubes are improved.
Smart Images

Figure CN223276509U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PCCP pipe anti-corrosion protection, in particular to a PCCP pipe anti-corrosion full protection device. Background Art
[0002] Prestressed concrete cylinder pipe (PCCP) is a new type of rigid pressure pipe. It consists of a high-strength concrete core wrapped around a steel cylinder, prestressed with steel wire, and sprayed with a cement mortar protective layer. The steel socket is welded to the cylinder, and the socket has a grooved sealing rubber ring, forming a flexible joint with a sliding rubber ring. The composite structure consists of steel plate, concrete, high-strength steel wire, and cement mortar.
[0003] Currently, during the manufacturing process, although the spraying device can complete the spraying work, the spraying depth may be too deep, causing the paint to drip down along the PCCP pipe after spraying, thereby resulting in paint waste. In addition, most of the current spraying devices cannot spray the inside and outside of the PCCP pipe at the same time, and need to be transferred to other devices for spraying, which is time-consuming and labor-intensive. Utility Model Content
[0004] (1) Technical problems solved
[0005] In view of the deficiencies in the prior art, the present invention provides a PCCP pipe anti-corrosion full protection device, which solves the problems raised in the above-mentioned background technology.
[0006] (2) Technical solution
[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a PCCP pipe anti-corrosion full protection device, including a box body, a recovery disk is fixedly connected to the upper surface of the box body, a recovery groove is provided on the upper surface of the recovery disk, a rotating groove is provided on the upper surface of the recovery disk, a turntable is movably connected inside the rotating groove, a storage groove is provided on the upper surface of the turntable, an annular paint box storage groove is provided at the bottom of the storage groove, a through hole is provided at the bottom of the turntable, a rotating tube is fixedly connected in the through hole, and the rotating tube is movably connected to a first motor, The lower surface of the first motor is fixedly connected to a box body, semicircular pads are fixedly connected to both sides of the recovery disk, the upper surface of the semicircular pads is fixedly connected to an outer wall spraying device, the upper surface of the box body is fixedly connected to an outer wall paint scraping device, the inner part of the outer wall paint scraping device is movably connected to a PCCP pipe, and the bottom of the PCCP pipe is movably connected to a turntable. The upper surface of the first motor is fixedly connected to a first rotating shaft, the outer surface of the first rotating shaft is movably connected to the inner wall scraping device, and the upper surface of the first rotating shaft is fixedly connected to a first limit plate.
[0008] Optionally, the outer wall spraying device includes a spray barrel, a paint flow channel, a first nozzle and a spray pipe. The upper surface of the semicircular pad is fixedly connected to the spray barrel, and the first nozzle is fixedly connected to one side of the spray barrel. A paint flow channel is opened inside the spray barrel, and a spray pipe is opened on one side of the first nozzle. The spray pipe is connected to the paint flow channel.
[0009] Optionally, the inner bottom wall of the box body is fixedly connected to an external paint recovery box, and the external paint recovery box includes an external paint box, a first filter box, a first paint pump, a first pumping pipe, a return pipe, a filter hole and a return pipe. The inner bottom wall of the box body is fixedly connected to the external paint box, the upper surface of the external paint box is fixedly connected to the first paint pump, the interior of the first paint pump is fixedly connected to the first pumping pipe, the upper end of the first pumping pipe is fixedly connected to the paint flow channel, the inner top wall of the external paint box is fixedly connected to the filter box, the bottom of the filter box is provided with a filter hole, the upper surface of the filter box is fixedly connected to the return pipe, the upper end of the return pipe is fixedly connected to the box body, the inner top wall of the box body is provided with a return pipe, the return pipe passes through the inner top wall of the filter box, and the upper end of the return pipe passes through the recovery tank.
[0010] Optionally, the outer wall paint scraping device includes a second motor, a scraper rotating shaft, a lifting plate, a scraper plate, a second limit plate and a pin shaft. The inner bottom wall of the box is fixedly connected to the second motor, and the upper surface of the second motor is movably connected to the scraper rotating shaft. The outer surface of the scraper rotating shaft is threadedly connected to the lifting plate, and the back side of the lifting plate is hinged with the scraper plate through a pin shaft.
[0011] Optionally, the inner wall scraping device includes a second paint pump, a lifting plate, a second nozzle, a scraping plate, an annular paint box, an inner wall spraying channel, a second pumping pipe, a second filter box and a recovery channel. The outer surface of the first rotating shaft is threadedly connected to the lifting plate, the upper surface of the lifting plate is fixedly connected to the second paint pump, the outer surface of the lifting plate is fixedly connected to the scraping plate, the bottom surface of the lifting plate is fixedly connected to the annular paint box, the inner top wall of the annular paint box is fixedly connected to the second pumping pipe, the upper surface of the second pumping pipe is fixedly connected to the second paint pump, the interior of the lifting plate is provided with an inner wall spraying channel, the inner top wall of the annular paint box is fixedly connected to the second filter box, the interior of the lifting plate is provided with a recovery channel, one end of the recovery channel passes through the outer surface of the lifting plate, and the other end of the recovery channel passes through the inner top wall of the second filter box.
[0012] Optionally, the second nozzles are distributed in an annular array on the outer surface of the lifting plate, and the inner wall spraying channel consists of a direct flow channel and an annular flow channel, with two direct flow channels. The upper end of the direct flow channel is connected to the second paint pump, and the lower end of the direct flow channel is connected to the annular flow channel. Another direct flow channel is opened on the side wall of the annular flow channel, and the other direct flow channel extends to the second nozzle.
[0013] (3) Beneficial effects
[0014] The utility model provides a PCCP pipe anti-corrosion full protection device, which has the following beneficial effects:
[0015] 1. This PCCP pipe anti-corrosion full protection device, through the arrangement of a recovery plate and a scraper plate, enables the device to have the function of recycling dripping paint. Through the coordinated arrangement of the recovery plate, recovery trough, external paint recovery box, scraper plate, annular paint box and recovery flow channel, during use, the paint dripping along the PCCP pipe after spraying the inner and outer walls can be collected and reused after filtering through the filter box, thereby playing the role of recycling paint and achieving the purpose of avoiding paint waste.
[0016] 2. This PCCP pipe anti-corrosion full protection device has the effect of scraping off excessively thick paint through the arrangement of the outer wall paint scraping device and the inner wall paint scraping device. Through the coordinated arrangement of the scraper plate and the scraper disc, excessively thick paint can be scraped off and collected during use, thereby ensuring that the spraying meets the requirements and achieving the purpose of prolonging the service life of the PCCP pipe.
[0017] 3. This PCCP pipe anti-corrosion full protection device, through the coordinated setting of the outer wall spraying device and the inner wall coating and scraping device, enables the device to have the effect of spraying the inner and outer walls at the same time, thereby shortening the spraying time and achieving the purpose of improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a structural diagram of the utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the utility model when it is unloaded;
[0020] Figure 3 It is a schematic diagram of the cutaway structure of the front view of the present invention;
[0021] Figure 4 It is a schematic diagram of the cutaway structure of the side view of the present utility model;
[0022] Figure 5 This is a schematic structural diagram of the inner wall scraping device of the utility model;
[0023] Figure 6 This is a schematic diagram of the cross-section structure of the front view of the inner wall scraping device of the present invention.
[0024] In the figure: 1, box body; 2, recovery plate; 3, recovery trough; 4, rotating trough; 5, turntable; 6, storage trough; 7, annular paint box storage trough; 8, rotating tube; 9, first motor; 10, semicircular pad; 11, outer wall paint scraping device; 111, second motor; 112, scraper rotating shaft; 113, lifting plate; 114, scraper plate; 115, second limit plate; 116, pin; 12, first rotating shaft; 13, inner wall scraping device; 131, second paint pump; 132, lifting plate; 133, second nozzle; 134, scraper plate; 135, annular paint Box; 136, inner wall spraying flow channel; 137, second pumping pipe; 138, second filter box; 139, recovery flow channel; 14, first limit plate; 15, PCCP pipe; 16, outer wall spraying device; 161, spray barrel; 162, paint flow channel; 163, first nozzle; 164, spray pipe; 17, external paint recovery box; 171, external paint box; 172, first filter box; 173, first paint pump; 174, first pumping pipe; 175, return pipe; 176, filter hole; 177, return pipe; 18, direct current channel; 19, annular flow channel. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0026] See also Figures 1 to 6The utility model provides a technical solution: a PCCP pipe anti-corrosion full protection device, including a box body 1, a recovery plate 2 is fixedly connected to the upper surface of the box body 1, a recovery groove 3 is opened on the upper surface of the recovery plate 2, a rotating groove 4 is opened on the upper surface of the recovery plate 2, a turntable 5 is movably connected inside the rotating groove 4, a receiving groove 6 is opened on the upper surface of the turntable 5, an annular paint box receiving groove 7 is opened at the bottom of the receiving groove 6, a through hole is opened at the bottom of the turntable 5, a rotating tube 8 is fixedly connected in the through hole, the rotating tube 8 is movably connected to a first motor 9, and the lower surface of the first motor 9 is fixedly connected There is a box body 1, and semicircular pads 10 are fixedly connected on both sides of the recovery disk 2. The upper surface of the semicircular pad 10 is fixedly connected to the outer wall spraying device 16. The upper surface of the box body 1 is fixedly connected to the outer wall paint scraping device 11. The inner part of the outer wall paint scraping device 11 is movably connected to the PCCP tube 15, and the bottom of the PCCP tube 15 is movably connected to the turntable 5. The upper surface of the first motor 9 is fixedly connected to the first rotating shaft 12, and the outer surface of the first rotating shaft 12 is movably connected to the inner wall scraping device 13. The upper surface of the first rotating shaft 12 is fixedly connected to the first limit plate 14. The outer wall spraying device 16 includes a spraying barrel 161, a paint flow channel 162, a first nozzle 163 and a spraying pipe 164. The upper surface of the semicircular pad 10 is fixedly connected to the spraying barrel 161, and the first nozzle 163 is fixedly connected to one side of the spraying barrel 161. A paint flow channel 162 is opened inside the spraying barrel 161, and a spraying pipe 164 is opened on one side of the first nozzle 163. The spraying pipe 164 is connected to the paint flow channel 162. The inner bottom wall of the box body 1 is fixedly connected to the external paint recovery box 17, and the external paint recovery box 17 includes an external paint box 171, a first filter box 172, a first paint pump 173, a first pumping pipe 174, a return pipe 175, a filter hole 176 and a return pipe 177. The inner bottom wall of the box body 1 is fixedly connected to the external paint box 171, and the upper surface of the external paint box 171 is fixedly connected to the first paint pump 173. The interior of the first paint pump 173 is fixedly connected to the first pumping pipe 174, the first pumping pipe 175, the filter hole 176 and the return pipe 177. The upper end of the tube 174 is fixedly connected to the paint flow channel 162, the inner top wall of the external paint box 171 is fixedly connected to the first filter box 172, the bottom of the first filter box 172 is provided with a filter hole 176, the upper surface of the first filter box 172 is fixedly connected to the return pipe 175, the upper end of the return pipe 175 is fixedly connected to the box body 1, the inner top wall of the box body 1 is provided with a return pipe 177, the return pipe 177 passes through the inner top wall of the first filter box 172, and the upper end of the return pipe 177 passes through the recovery tank 3.The outer wall paint scraping device 11 includes a second motor 111, a scraper rotating shaft 112, a lifting plate 113, a scraper plate 114, a second limit plate 115 and a pin 116. The inner bottom wall of the box body 1 is fixedly connected to the second motor 111, and the upper surface of the second motor 111 is movably connected to the scraper rotating shaft 112. The outer surface of the scraper rotating shaft 112 is threadedly connected to the lifting plate 113, and the back of the lifting plate 113 is hinged to the scraper plate 114 through the pin 116. The inner wall coating scraping device 13 includes a second paint pump 131, a lifting plate 132, a second nozzle 133, a scraping plate 134, an annular paint box 135, an inner wall spraying flow channel 136, a second pumping pipe 137, a second filter box 138 and a recovery flow channel 139. The outer surface of the first rotating shaft 12 is threadedly connected to the lifting plate 132, the upper surface of the lifting plate 132 is fixedly connected to the second paint pump 131, the outer surface of the lifting plate 132 is fixedly connected to the scraping plate 134, and the bottom surface of the lifting plate 132 is fixedly connected to the annular paint box. 135. A second pumping pipe 137 is fixedly connected to the inner top wall of the annular paint box 135. A second paint pump 131 is fixedly connected to the upper surface of the second pumping pipe 137. An inner wall spraying channel 136 is provided inside the lifting plate 132. A second filter box 138 is fixedly connected to the inner top wall of the annular paint box 135. A recovery channel 139 is provided inside the lifting plate 132. One end of the recovery channel 139 extends through the outer surface of the lifting plate 132, and the other end of the recovery channel 139 extends through the inner top wall of the second filter box 138. The second nozzles 133 are distributed in an annular array on the outer surface of the lifting plate 132. The inner wall spraying channel 136 consists of a straight channel 18 and an annular channel 19. There are two straight channels 18. The upper end of the straight flow channel 18 passes through the second paint pump 131 , and the lower end of the straight flow channel 18 passes through the annular flow channel 19 . Another straight flow channel 18 is opened on the side wall of the annular flow channel 19 , and the other straight flow channel 18 passes through the second nozzle 133 .
[0027] When spraying the outer wall, the scraper plate 114 is rotated horizontally by the pin 116, and the PCCP tube 15 is placed on the turntable 5. The scraper plate 114 is closed by the pin 116, and the position of the PCCP tube 15 is adjusted so that the scraper plate 114 and the PCCP tube 15 are coaxial. The first motor 9 is started, and the first motor 9 drives the rotating tube 8 to rotate. The rotating tube 8 drives the turntable 5 to rotate, thereby driving the PCCP tube to rotate. At this time, the first paint pump 173 is started, and the paint in the external paint box 171 enters the paint flow channel 162 through the first pump pipe 174. The paint enters the spray pipe 164 from the paint flow channel 162, and finally rotates by the first nozzle 163. The outer wall of the moving PCCP pipe 15 is sprayed. At this time, the second motor 111 is started, and the second motor 111 drives the scraper rotating shaft 112 to rotate. The scraper rotating shaft 112 drives the lifting plate 113 to move up and down, and the lifting plate 113 drives the scraper plate 114 to move, so as to scrape off the excessively deep paint on the outer circumferential surface of the PCCP pipe 15, so that the paint is sprayed evenly and with a uniform thickness. The scraped paint and the naturally dripping paint will flow into the recovery tank 3 under the influence of gravity, and then enter the return pipe 175 through the return pipe 177, and finally fall into the first filter box 172 for filtration, and then flow into the external paint box 171 again, completing the spraying of the outer wall of the PCCP pipe 15. When spraying the inner wall, the first motor 9 is started to rotate the first rotating shaft 12, driving the inner wall scraping device 13 to move up and down, starting the second paint pump 131, and allowing the paint in the annular paint box 135 to enter the second paint pump 131 through the second pumping pipe 137. The paint is then pumped into the direct current channel 18 by the second paint pump 131. The paint enters the annular flow channel 19 through the direct current channel 18 and is then sprayed out through the second nozzle 133, so that the paint is sprayed on the inner wall of the PCCP tube 15. The scraper plate 134 scrapes off the excessively deep paint, and the scraped paint and dripping paint are collected in the scraper plate 134, enter the second filter box 138 through the recovery channel 139 for filtration, and finally flow back into the annular paint box 135, completing the spraying of the inner wall of the PCCP tube 15.
[0028] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A PCCP pipe anti-corrosion full protection device, comprising a box (1), characterized in that: The upper surface of the box body (1) is fixedly connected to a recovery disk (2), the upper surface of the recovery disk (2) is provided with a recovery groove (3), the upper surface of the recovery disk (2) is provided with a rotation groove (4), the interior of the rotation groove (4) is movably connected to a turntable (5), the upper surface of the turntable (5) is provided with a storage groove (6), the bottom of the storage groove (6) is provided with an annular paint box storage groove (7), the bottom of the turntable (5) is provided with a through hole, the through hole is fixedly connected to a rotation tube (8), the rotation tube (8) is movably connected to a first motor (9), the lower surface of the first motor (9) is fixedly connected to the box body (1), the recovery disk (2) Semicircular pads (10) are fixedly connected to both sides of the housing (1), an outer wall spraying device (16) is fixedly connected to the upper surface of the semicircular pads (10), an outer wall paint scraping device (11) is fixedly connected to the upper surface of the housing (1), a PCCP pipe (15) is movably connected to the interior of the outer wall paint scraping device (11), and a turntable (5) is movably connected to the bottom of the PCCP pipe (15). The upper surface of the first motor (9) is fixedly connected to a first rotating shaft (12), the outer surface of the first rotating shaft (12) is movably connected to the inner wall paint scraping device (13), and the upper surface of the first rotating shaft (12) is fixedly connected to a first limit plate (14).
2. A PCCP pipe anti-corrosion full protection device according to claim 1, characterized in that: The outer wall spraying device (16) comprises a spraying barrel (161), a paint flow channel (162), a first nozzle (163) and a spraying pipe (164); the upper surface of the semicircular pad (10) is fixedly connected to the spraying barrel (161); one side of the spraying barrel (161) is fixedly connected to the first nozzle (163); the interior of the spraying barrel (161) is provided with a paint flow channel (162); one side of the first nozzle (163) is provided with a spraying pipe (164); the spraying pipe (164) is communicated with the paint flow channel (162).
3. The PCCP pipe anti-corrosion protection device according to claim 1 is characterized by: The inner bottom wall of the box body (1) is fixedly connected to an external paint recovery box (17), and the external paint recovery box (17) comprises an external paint box (171), a first filter box (172), a first paint pump (173), a first pumping pipe (174), a return pipe (175), a filter hole (176) and a return pipe (177). The inner bottom wall of the box body (1) is fixedly connected to the external paint box (171), the upper surface of the external paint box (171) is fixedly connected to the first paint pump (173), the interior of the first paint pump (173) is fixedly connected to the first pumping pipe (174), and the first pumping pipe The upper end of the (174) is fixedly connected to the paint flow channel (162), the inner top wall of the external paint box (171) is fixedly connected to the first filter box (172), the bottom of the first filter box (172) is provided with a filter hole (176), the upper surface of the first filter box (172) is fixedly connected to the return pipe (175), the upper end of the return pipe (175) is fixedly connected to the box body (1), the inner top wall of the box body (1) is provided with a return pipe (177), the return pipe (177) passes through the inner top wall of the first filter box (172), and the upper end of the return pipe (177) passes through the recovery tank (3).
4. The PCCP pipe anti-corrosion protection device according to claim 1 is characterized by: The outer wall paint scraping device (11) comprises a second motor (111), a scraper rotating shaft (112), a lifting plate (113), a scraper plate (114), a second limiting plate (115) and a pin (116); the inner bottom wall of the box (1) is fixedly connected to the second motor (111); the upper surface of the second motor (111) is movably connected to the scraper rotating shaft (112); the outer surface of the scraper rotating shaft (112) is threadedly connected to the lifting plate (113); and the back surface of the lifting plate (113) is hinged to the scraper plate (114) via the pin (116).
5. The PCCP pipe anti-corrosion protection device according to claim 1 is characterized by: The inner wall coating and scraping device (13) comprises a second coating pump (131), a lifting plate (132), a second nozzle (133), a scraping plate (134), an annular coating box (135), an inner wall spraying channel (136), a second pumping pipe (137), a second filter box (138) and a recovery channel (139); the outer surface of the first rotating shaft (12) is threadedly connected to the lifting plate (132); the upper surface of the lifting plate (132) is fixedly connected to the second coating pump (131); the outer surface of the lifting plate (132) is fixedly connected to the scraping plate (134); and the bottom surface of the lifting plate (132) is fixedly connected to the annular coating box. (135), the inner top wall of the annular paint box (135) is fixedly connected to a second pumping pipe (137), the upper surface of the second pumping pipe (137) is fixedly connected to a second paint pump (131), the interior of the lifting plate (132) is provided with an inner wall spraying flow channel (136), the inner top wall of the annular paint box (135) is fixedly connected to a second filter box (138), the interior of the lifting plate (132) is provided with a recovery flow channel (139), one end of the recovery flow channel (139) passes through the outer surface of the lifting plate (132), and the other end of the recovery flow channel (139) passes through the inner top wall of the second filter box (138).
6. The PCCP pipe anti-corrosion protection device according to claim 5, characterized in that: The second nozzles (133) are distributed in the form of an annular array on the outer surface of the lifting plate (132), and the inner wall spraying channel (136) is composed of a direct current channel (18) and an annular channel (19), and there are two direct current channels (18); the upper end of the direct current channel (18) is connected to the second paint pump (131), and the lower end of the direct current channel (18) is connected to the annular channel (19), and another direct current channel (18) is opened on the side wall of the annular channel (19), and the other direct current channel (18) is connected to the second nozzle (133).