CN109339216B - Gardens blowdown irrigation canals and ditches washing device - Google Patents

Gardens blowdown irrigation canals and ditches washing device Download PDF

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Publication number
CN109339216B
CN109339216B CN201811204860.1A CN201811204860A CN109339216B CN 109339216 B CN109339216 B CN 109339216B CN 201811204860 A CN201811204860 A CN 201811204860A CN 109339216 B CN109339216 B CN 109339216B
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China
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sewage
movable
ditch
flushing
garden
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CN201811204860.1A
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Chinese (zh)
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CN109339216A (en
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孙铠
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F7/00Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • E03F7/10Wheeled apparatus for emptying sewers or cesspools
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F7/00Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • E03F7/10Wheeled apparatus for emptying sewers or cesspools
    • E03F7/106Accessories, e.g. hose support
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F9/00Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F9/00Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
    • E03F9/002Cleaning sewer pipes by mechanical means

Abstract

The invention discloses a garden sewage ditch flushing device which comprises a movable sewage ditch flushing trolley, a movable frame, a limiting roller and a flushing water tank, wherein the bottom of the movable sewage ditch flushing trolley is provided with a movable wheel in a rolling manner, one side of the top of the movable sewage ditch flushing trolley is fixedly provided with a support frame, the support frame and the movable sewage ditch flushing trolley are vertically arranged, the movable frame is integrally arranged on the support frame, one end of the movable frame, far away from the support frame, is fixedly provided with a movable rod through a connecting plate bolt, and the movable rod and the support frame are vertically arranged with the movable frame; the garden sewage draining ditch cleaning device is reasonable and simple in structure and convenient to use, ensures effective and strong sewage draining and draining functions of the garden sewage draining ditch in rainy seasons, combines washing and scrubbing, effectively improves the garden sewage draining and draining ditch cleaning effect and efficiency, avoids scouring sewage splashing by using the shielding plate, recycles scouring water, saves energy, protects environment, and is convenient to clean the sewage filtering and filtering element.

Description

Gardens blowdown irrigation canals and ditches washing device
The technical field is as follows:
the invention relates to the technical field of garden pollution discharge, in particular to a garden pollution discharge ditch flushing device.
Background art:
gardens are artistic formations of Chinese traditional culture, engineering technology and artistic means are applied in certain regions, beautiful natural environments and recreation areas formed by means of terrain reconstruction, tree planting, flowers and plants building, garden path arrangement and the like are called gardens, in order to ensure that the gardens have better sewage discharge and drainage functions in rainy seasons, artificial ditches are usually built in the gardens, but pollutants such as fallen leaves accumulated in the ditches cause reduction of sewage discharge capacity of the ditches, the manual cleaning work amount is large, the consumed time is long, the cleaning effect is not ideal, and sewage splashing influences the attractiveness of the gardens when the sewage discharge ditches are cleaned, and the practicability is not strong.
The invention content is as follows:
the invention aims to solve the problems that pollutants such as fallen leaves accumulated in the existing ditches cause the reduction of the sewage discharge capability of the ditches, the manual cleaning work amount is large, the time consumption is long, the cleaning effect is not ideal, and the sewage splash influences the garden attractiveness and the practicability when the sewage discharge ditches are cleaned.
In order to solve the above problems, the present invention provides a technical solution:
the utility model provides a gardens blowdown irrigation canals and ditches flushing device, includes that the removal blowdown irrigation canals and ditches erodees the dolly, removes frame, spacing gyro wheel and flush tank, the bottom roll-on that the removal blowdown irrigation canals and ditches erode the dolly is installed and is removed the wheel, one side fixed mounting that the removal blowdown irrigation canals and ditches erodeed the dolly top has the support frame, the support frame with remove the blowdown irrigation canals and ditches and erode and be perpendicular setting between the dolly, the bottom roll-on of support frame has spacing gyro wheel, spacing gyro wheel sets up the walking guide rail inslot on the blowdown irrigation canals and ditches, the removal blowdown irrigation canals and ditches of support frame one side are washed the dolly top and are installed flush tank, fixed mounting has the bearing board by welding on the opposite side of support frame, rotate through the thread bush between bearing board and the removal frame and install the threaded rod, the one end of removal frame passes through the output transmission connection of shaft coupling and servo motor, servo motor passes through the motor seat and fixes on the removal frame, the thread cover is established and is installed the removal threaded rod seat, one side of removal seat keeps away from one side of support frame is provided with first connecting piece, be L as an organic whole.
As a preferable technical scheme of the invention, the bottom of the second connecting piece is fixedly provided with a protective shielding plate through a mounting piece and a bolt, two opposite ends of the protective shielding plate are fixedly provided with side plates through a mounting piece and a bolt, a brushing stick is arranged between the two side plates, two ends of the brushing stick are rotatably arranged on the side plates through a rotating shaft and a bearing seat, the rotating shaft at one end of the brushing stick is in transmission connection with the output end of a motor through a synchronous belt, the motor is fixedly arranged at the top of the protective shielding plate through a motor seat, the protective shielding plate at one side of the brushing stick is fixedly provided with a first washing nozzle, the protective shielding plate at the other side of the brushing stick is fixedly provided with a second washing nozzle, the second washing nozzle and the first washing nozzle are both communicated with the output end of a washing water pipe through washing branch pipes, and the input end of the washing water pipe is communicated, the input of high-pressure flush pump passes through the output intercommunication of water pipe and flush tank, the curb plate is kept away from one side of scrubbing the rod and is installed blowdown canal doctor-bar and cleaning brush, blowdown canal doctor-bar passes through the one end that installed part and bolt fastening are close to first washing terminals at the curb plate, the cleaning brush passes through the one end that installed part and bolt fastening are close to the second washing terminals at the curb plate.
As a preferred technical scheme of the invention, the flushing water tank comprises a water inlet, an opening, a fixed seat, a sewage filtering filter element, a mounting plate, a mounting seat, a sewage suction pump and a sewage suction pipe, wherein the top of the flushing water tank is provided with the water inlet and the opening, a threaded cover is detachably and fixedly mounted on the water inlet, the bottom of the flushing water tank is provided with the fixed seat, the fixed seat is provided with a circular groove, the inner wall of the circular groove is provided with internal threads, the fixed seat and the opening are vertically and correspondingly arranged, the sewage filtering filter element is detachably mounted in the flushing water tank between the opening and the fixed seat, the top of the sewage filtering filter element is integrally provided with the mounting plate, the bottom of the sewage filtering filter element is integrally provided with the mounting seat, the sections of the sewage filtering filter element, the mounting plate and, be provided with the external screw thread on the outer wall of mount pad, sewage filters the filter core and passes through mount pad and fixing base screw thread fixed mounting, fixed mounting has the soil pick-up pump on the sewage filters the filter core, the input of soil pick-up pump passes through soil pick-up pipe and gardens blowdown irrigation canals and ditches intercommunication.
As a preferred technical scheme of the invention, the brush rod is sleeved with a sewage draining ditch brush sleeve, and the sewage draining ditch brush sleeve, the brush rod and the side plate are all made of stainless steel materials.
As a preferred technical scheme of the invention, a rubber shock absorption pad is connected between the flushing water tank and the movable sewage draining ditch flushing trolley.
In a preferred embodiment of the present invention, the radius of the mounting plate is larger than the radius of the opening.
As a preferable technical scheme of the invention, the sewage filtering core is arranged in a plurality of layers.
As a preferred technical scheme of the invention, the movable wheel and the limiting idler wheel are high-strength mute idler wheels.
The invention has the beneficial effects that:
the garden sewage drainage ditch flushing device is reasonable and simple in structure and convenient to use, and compared with the traditional garden sewage drainage ditch cleaning, the garden sewage drainage ditch flushing device is stable in operation and convenient to operate, the labor intensity of garden cleaning personnel is effectively reduced, the effective strong sewage drainage and drainage functions of a garden sewage drainage ditch in rainy seasons are guaranteed, the arranged brushing stick, the arranged sewage drainage ditch scraping sheet and the arranged cleaning brush are matched with the first flushing sprayer and the second flushing sprayer, the washing and the brushing are combined, the garden sewage drainage ditch cleaning effect and efficiency are effectively improved, the flushing sewage splashing is avoided by utilizing the shielding plate, the cyclic utilization of flushing water is realized by the sewage suction pipe, the sewage suction pump and the sewage filtering filter element, the energy conservation and the environmental protection are realized, the sewage filtering filter element can be detached and is convenient to clean, and the practicability is stronger.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure at position A of the present invention;
FIG. 3 is a schematic view of the structure of the protective shielding plate of the present invention;
FIG. 4 is a schematic view of the construction of a blowdown channel scraper and cleaning brush of the present invention;
FIG. 5 is a schematic view of the flush tank of the present invention.
In the figure: 1. moving the sewage draining ditch to wash the trolley; 2. a moving wheel; 3. a support frame; 4. a movable frame; 5. a connecting plate; 6. a travel bar; 7. limiting the idler wheel; 8. a walking guide rail groove; 9. a flush tank; 91. a water inlet; 92. an opening; 93. a fixed seat; 94. a sewage filtering filter element; 95. mounting a plate; 96. a mounting seat; 97. a sewage suction pump; 98. a sewage suction pipe; 10. a rubber shock pad; 11. a support plate; 12. a threaded rod; 13. a servo motor; 14. a movable seat; 15. a first connecting member; 16. a second connecting member; 17. a protective shutter; 18. a side plate; 19. a rotating shaft; 20. brushing and cleaning a stick; 21. a sewage draining ditch brush sleeve; 22. a first washing nozzle; 23. a second washing nozzle; 24. a synchronous belt; 25. a motor; 26. flushing the water pipe; 27. a high pressure flush pump; 28. a sewage draining channel scraping blade; 29. and (4) cleaning brushes.
The specific implementation mode is as follows:
as shown in fig. 1-5, the technical scheme includes that the garden sewage ditch flushing device comprises a movable sewage ditch flushing trolley 1, a movable frame 4, a limiting roller 7 and a flushing water tank 9, wherein a movable wheel 2 is installed at the bottom of the movable sewage ditch flushing trolley 1 in a rolling mode, a support frame 3 is fixedly installed on one side of the top of the movable sewage ditch flushing trolley 1, the support frame 3 and the movable sewage ditch flushing trolley 1 are vertically arranged, the movable frame 4 is integrally arranged on the support frame 3, a movable rod 6 is fixedly installed at one end, far away from the support frame 3, of the movable frame 4 through a connecting plate 5 and a bolt, the movable rod 6 and the support frame 3 are vertically arranged with the movable frame 4, the limiting roller 7 is installed at the bottom of the movable rod 6 in a rolling mode, the limiting roller 7 is arranged in a walking guide rail groove 8 on the sewage drain, a movable sewage ditch flushing trolley 1 top is installed with the movable rod 6 at one end of the support frame 3 is fixedly installed with the flushing water tank 9 through a connecting plate 5 and a connecting piece 13, a support plate 11 is fixedly installed on the other side of the support frame 3 in a welding mode, a threaded rod 11 and a movable frame 4 is rotatably installed with a motor seat 3513, and a connecting piece 13 is arranged on one side of a servo motor seat, and a motor seat 15 is arranged on the movable frame connecting piece connected with a servo motor seat, and a.
Wherein, the bottom of the second connecting piece 16 is fixedly provided with a protective shielding plate 17 through a mounting piece and a bolt, two opposite ends of the protective shielding plate 17 are fixedly provided with side plates 18 through a mounting piece and a bolt, a brushing stick 20 is arranged between the two side plates 18, two ends of the brushing stick 20 are rotatably arranged on the side plates 18 through a rotating shaft 19 and a bearing seat, the rotating shaft 19 at one end of the brushing stick 20 is in transmission connection with the output end of a motor 25 through a synchronous belt 24, the motor 25 is fixedly arranged at the top of the protective shielding plate 17 through a motor seat, the protective shielding plate 17 at one side of the brushing stick 20 is fixedly provided with a first washing nozzle 22, the protective shielding plate 17 at the other side of the brushing stick 20 is fixedly provided with a second washing nozzle 23, and the second washing nozzle 23 and the first washing nozzle 22 are both communicated with the output end of a washing water pipe 26 through washing branch, the input of wash pipe 26 communicates with the output of high-pressure flush pump 27, the input of high-pressure flush pump 27 leads to pipe and the output of wash water tank 9 communicates, one side that scrubbing rod 20 was kept away from to curb plate 18 is installed blowdown canal doctor-bar 28 and cleaning brush 29, blowdown canal doctor-bar 28 passes through the installed part and the one end that the bolt fastening is close to first washing terminals 22 at curb plate 18, cleaning brush 29 passes through the installed part and the bolt fastening is in the one end that curb plate 18 is close to second washing terminals 23, wash water tank 9 includes water inlet 91, opening 92, fixing base 93, sewage filter core 94, mounting panel 95, mount pad 96, soil pick-up pump 97 and soil pick-up pipe 98, water inlet 91 and opening 92 have been seted up at the top of wash water tank 9, can dismantle fixed mounting on water inlet 91 and have the screw cap, the bottom of wash water tank 9, the utility model discloses a garden sewage treatment device, including fixing base 93, sewage filter element 94, mounting seat 96, sewage filter element 94, mounting seat 96, sewage pipe 98, garden sewage ditch brush cover 21, sewage pipe brush cover 97, sewage ditch brush cover 21, the circular recess has been seted up on the fixing base 93, and be provided with the internal thread on the inner wall of circular recess, be the corresponding setting in the vertical direction between fixing base 93 and the opening 92, demountable installation has sewage filter element 94 in the flush tank 9 between opening 92 and fixing base 93, the integrative mounting panel 95 that is provided with in the top of sewage filter element 94, the integrative mounting seat 96 that is provided with in the bottom of sewage filter element 94, the cross-section of sewage filter element 94, mounting panel 95 and mounting seat 96 all is circular setting, be provided with the external screw thread on the outer wall of mounting seat 96, sewage filter element 94 passes through mounting seat 96 and fixing, the blowdown irrigation canals and ditches brush cover 21, scrub rod 20 and curb plate 18 all adopt stainless steel material to make, flush tank 9 and removal blowdown irrigation canals and ditches wash away and are connected with rubber shock pad 10 between the dolly 1, improve damping performance, the radius of mounting panel 95 is greater than the radius of opening 92, sewage filters filter core 94 adopts the multilayer setting, improves the filter effect, remove wheel 2 and spacing gyro wheel 7 and all adopt high strength silence gyro wheel, noise abatement.
The using state of the invention is as follows: when in use, the servo motor 13 drives the threaded rod 12 to rotate, so that the moving seat 14, the first connecting piece 15 and the second connecting piece 16 on the threaded rod 12 move up and down, the brushing stick 20 on the protective shielding plate 17 moves down to a ditch to be brushed, the movable blowdown ditch flushing trolley 1 moves on one side of a garden blowdown ditch to drive the support frame 3, the moving frame 4 and the moving rod 6 to move, the limiting idler wheel 7 on the moving rod 6 moves in the walking guide rail groove 8 of the garden blowdown ditch, so that the side plate 18 and the brushing stick 20 move in the ditch, the blowdown ditch scraping blade 28 and the cleaning brush 29 on the side plate 18 clean the side wall of the ditch in the moving process, the motor 25 drives the brushing stick 20 and the blowdown ditch brush sleeve 21 to rotate in the ditch through the synchronous belt 24 to brush the ditch, the high-pressure flushing pump 27 sprays water in the water tank 9 on the ditch through the flushing water pipe 26 by the first flushing nozzle 22 and the second flushing nozzle, the garden sewage discharging ditch flushing device has the advantages that the first flushing nozzle 22 flushes the ditch on the front side of the brushing stick 20, the second flushing nozzle 23 flushes the flushed ditch on the rear side of the brushing stick 20, the sewage generated by flushing is conveyed to the sewage filtering filter element 93 of the flushing water tank 9 through the sewage suction pipe 98 and the sewage suction pump 97 for filtering treatment, the structure is reasonable and simple, the use is convenient, in the using process, compared with the traditional garden sewage discharging ditch cleaning, the garden sewage discharging ditch flushing device is stable in operation and convenient to operate, the labor intensity of garden cleaning personnel is effectively reduced, the effective strong sewage discharging and water discharging functions of the garden sewage discharging ditch in rainy seasons are ensured, the arranged brushing stick 20, the sewage discharging ditch scraping sheet 28 and the cleaning brush 29 are matched with the first flushing nozzle 22 and the second flushing nozzle 23, the flushing and the brushing are combined, the garden sewage discharging ditch cleaning effect and efficiency are effectively improved, and the flushing sewage splashing is avoided by utilizing the shielding plate, and realize the cyclic utilization to the washing away water through sewage suction pipe 98, sewage suction pump 97 and sewage filter core 93, energy-concerving and environment-protective, and sewage filter core 93 can dismantle the clearance of being convenient for, and the practicality is stronger.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (7)

1. A garden sewage ditch flushing device comprises a movable sewage ditch flushing trolley (1), a movable frame (4), a limiting roller (7) and a flushing water tank (9), and is characterized in that movable wheels (2) are arranged at the bottom of the movable sewage ditch flushing trolley (1) in a rolling manner, a support frame (3) is fixedly arranged on one side of the top of the movable sewage ditch flushing trolley (1), the support frame (3) and the movable sewage ditch flushing trolley (1) are vertically arranged, the movable frame (4) is integrally arranged on the support frame (3), one end of the movable frame (4) far away from the support frame (3) is fixedly provided with a movable rod (6) through a connecting plate (5) and a bolt, the movable rod (6) and the support frame (3) are vertically arranged with the movable frame (4), the limiting roller (7) is arranged at the bottom of the movable rod (6) in a walking guide rail groove (8) arranged on the sewage ditch, the movable guide rail groove (3) is fixedly provided with a movable rod seat (12), a movable motor seat (12) is arranged on one side of the movable sewage ditch, a connecting piece (3) is fixedly provided with a screw rod (13), a connecting piece (12) which is arranged on the movable motor seat (13) and a servo motor seat (12) which is arranged on one side of the movable connecting piece which is connected with a servo motor seat (12);
the bottom of the second connecting piece (16) is fixedly provided with a protective shielding plate (17) through a mounting piece and a bolt, two opposite ends of the protective shielding plate (17) are fixedly provided with side plates (18) through a mounting piece and a bolt, a brushing stick (20) is arranged between the side plates (18), two ends of the brushing stick (20) are rotatably arranged on the side plates (18) through a rotating shaft (19) and a bearing seat, the rotating shaft (19) at one end of the brushing stick (20) is in transmission connection with the output end of a motor (25) through a synchronous belt (24), the motor (25) is fixedly arranged at the top of the protective shielding plate (17) through a motor base, a first washing nozzle (22) is fixedly arranged on the protective shielding plate (17) at one side of the brushing stick (20), and a second washing nozzle (23) is fixedly arranged on the protective shielding plate (17) at the other side of the brushing stick (20), second washing terminals (23) and first washing terminals (22) are all through washing the output intercommunication of being in charge of and washing water pipe (26), the input of washing water pipe (26) and the output intercommunication of high-pressure flush pump (27), the input lead pipe of high-pressure flush pump (27) communicates with the output of flush tank (9), curb plate (18) are kept away from one side of scrubbing rod (20) and are installed blowdown canal doctor-bar (28) and cleaning brush (29), blowdown canal doctor-bar (28) are fixed the one end that is close to first washing terminals (22) in curb plate (18) through installed part and bolt, cleaning brush (29) are fixed the one end that is close to second washing terminals (23) in curb plate (18) through installed part and bolt.
2. The garden sewer flushing device according to claim 1, wherein: the flushing tank (9) comprises a water inlet (91), an opening (92), a fixing seat (93), a sewage filtering filter element (94), a mounting plate (95), a mounting seat (96), a sewage sucking pump (97) and a sewage sucking pipe (98), wherein the water inlet (91) and the opening (92) are formed in the top of the flushing tank (9), a threaded cover is detachably and fixedly mounted on the water inlet (91), the fixing seat (93) is arranged at the bottom of the flushing tank (9), a circular groove is formed in the fixing seat (93), an internal thread is formed in the inner wall of the circular groove, the fixing seat (93) and the opening (92) are correspondingly arranged in the vertical direction, the sewage filtering filter element (94) is detachably mounted in the flushing tank (9) between the opening (92) and the fixing seat (93), and the mounting plate (95) is integrally arranged at the top of the sewage filtering filter element (94), the bottom an organic whole of sewage filter core (94) is provided with mount pad (96), the cross-section of sewage filter core (94), mounting panel (95) and mount pad (96) all is circular setting, be provided with the external screw thread on the outer wall of mount pad (96), sewage filter core (94) is through mount pad (96) and fixing base (93) screw thread fixed mounting, fixed mounting has soil pick-up pump (97) on sewage filter core (94), the input of soil pick-up pump (97) is through soil pick-up pipe (98) and gardens blowdown irrigation canals and ditches intercommunication.
3. The garden sewer flushing device according to claim 1, wherein: the dirt discharge ditch brush sleeve (21) is sleeved on the scrubbing stick (20), and the dirt discharge ditch brush sleeve (21), the scrubbing stick (20) and the side plate (18) are all made of stainless steel materials.
4. The garden sewer flushing device according to claim 1, wherein: a rubber shock pad (10) is connected between the flushing water tank (9) and the movable sewage draining ditch flushing trolley (1).
5. The garden sewer flushing device according to claim 2, wherein: the radius of the mounting plate (95) is greater than the radius of the opening (92).
6. The garden sewer flushing device according to claim 2, wherein: the sewage filtering filter element (94) is arranged in a multilayer mode.
7. The garden sewer flushing device according to claim 1, wherein: the moving wheel (2) and the limiting idler wheel (7) are high-strength mute idler wheels.
CN201811204860.1A 2018-10-16 2018-10-16 Gardens blowdown irrigation canals and ditches washing device Active CN109339216B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811204860.1A CN109339216B (en) 2018-10-16 2018-10-16 Gardens blowdown irrigation canals and ditches washing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811204860.1A CN109339216B (en) 2018-10-16 2018-10-16 Gardens blowdown irrigation canals and ditches washing device

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CN109339216A CN109339216A (en) 2019-02-15
CN109339216B true CN109339216B (en) 2020-07-10

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2823095B2 (en) * 1990-03-08 1998-11-11 ヨーゼフ・カイゼル Suction pressure vessel
CN202202399U (en) * 2011-08-23 2012-04-25 苏州大学 Sewer and inspection well flushing sewage-suctioning truck
CN106522356A (en) * 2016-12-11 2017-03-22 南昌安润科技有限公司 Special dredging vehicle for sewer man-hole
CN206681137U (en) * 2017-03-13 2017-11-28 国效华 A kind of mine cistern desilting manipulator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2823095B2 (en) * 1990-03-08 1998-11-11 ヨーゼフ・カイゼル Suction pressure vessel
CN202202399U (en) * 2011-08-23 2012-04-25 苏州大学 Sewer and inspection well flushing sewage-suctioning truck
CN106522356A (en) * 2016-12-11 2017-03-22 南昌安润科技有限公司 Special dredging vehicle for sewer man-hole
CN206681137U (en) * 2017-03-13 2017-11-28 国效华 A kind of mine cistern desilting manipulator

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