CN106076994B - A kind of pipeline cleaning ball - Google Patents

A kind of pipeline cleaning ball Download PDF

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Publication number
CN106076994B
CN106076994B CN201610448504.9A CN201610448504A CN106076994B CN 106076994 B CN106076994 B CN 106076994B CN 201610448504 A CN201610448504 A CN 201610448504A CN 106076994 B CN106076994 B CN 106076994B
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China
Prior art keywords
sphere
telescopic rod
telescopic
hole
cleaning
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CN201610448504.9A
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Chinese (zh)
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CN106076994A (en
Inventor
贺关丽
李忠华
简遥
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Zhejiang Plumber Intelligent Machinery Equipment Co Ltd
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Zhejiang Plumber Intelligent Machinery Equipment Co Ltd
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Publication of CN106076994A publication Critical patent/CN106076994A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/04Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/053Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
    • B08B9/057Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices being entrained discrete elements, e.g. balls, grinding elements, brushes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)

Abstract

The present invention relates to technical field of pipeline transport more particularly to a kind of pipeline cleaning balls.Including sphere and warning device;Spherome surface is equipped with cleaning section.It is characterized in that:Pressure monitor system, positioning device and telescopic device are equipped in sphere;Positioning device is to be fixed at the ferromagnet of ball centre;Telescopic device includes the telescopic cavity being arranged on outside ferromagnet and the telescopic rod by extending to spherome surface in telescopic cavity;Telescopic rod includes being positioned close to the magnechuck of ferromagnetic end, the cleaner plate for being arranged on the other end and connection magnechuck and ferromagnetic elastic compression part;Pressure monitor system includes being arranged on the pressure sensor of cleaning plate surface, the controller and Wireless Transmitter being arranged in sphere;Wireless Transmitter is electrically connected with the controller, and pressure sensor is electrically connected with the controller;Warning device is equipped with wireless receiver.

Description

A kind of pipeline cleaning ball
Technical field
The present invention relates to technical field of pipeline transport more particularly to a kind of pipeline cleaning balls.
Background technology
The inner wall of the pipe of conveying battery insulation material is often attached with bur, commonly uses a kind of diameter and is slightly less than conveyance conduit The ball of internal diameter is put into conveyance conduit to be cleaned, will be in pipeline under the effect of the pressure by conveyance conduit Attachment is removed.The diameter of ball is slightly less than internal diameter of the pipeline, and once a certain section of internal diameter becomes smaller due to some factors transport pipeline, Ball is then probably stuck in the duct, causes the blocking of pipeline.Since ball is transported in pipeline in cleaning process Dynamic, the specific location that ball blocks, which occurs, to be judged, also need to the position of investigation ball when carrying out pipe first-aid before, increase Repairing difficulty is added.Therefore, when carrying out segmentation cleaning to pipeline using ball, each section of interval will not be very long, reduces Cleaning efficiency.
Invention content
The present invention is based on above-mentioned technical problem provide one kind can position can be detected and can be blocked with automatic decision And the cleaning ball alarmed.
A kind of pipeline cleaning ball, including sphere and warning device;The spherome surface is equipped with cleaning section.Its feature exists In:Pressure monitor system, positioning device and telescopic device are equipped in the sphere;The positioning device is described to be fixed at The ferromagnet of ball centre;The telescopic device includes the telescopic cavity being arranged on outside the ferromagnet and by the telescopic cavity Inside extend to the telescopic rod of the spherome surface;The electromagnetism that the telescopic rod includes being positioned close to the ferromagnetic end is inhaled Disk, be arranged on the telescopic rod the other end cleaner plate and connect the magnechuck and the ferromagnetic elasticity Compression piece;The pressure monitor system includes being arranged on the pressure sensor of the cleaning plate surface, be arranged in the sphere Controller and Wireless Transmitter;The Wireless Transmitter is electrically connected with the controller, the pressure sensor and the control Device electrical connection processed;The warning device is equipped with wireless receiver.The pressure that the controller is arrived in the pressure sensor monitoring Warning message is sent to the warning device by the wireless receiver when value is more than preset value, notify maintenance personnel in time into Row dredging.The ferromagnet being arranged in the sphere can be detected by ferroprobe, so as to easily judge blocking position, Repairing promptly and accurately.
Preferably, the cleaning section includes the water conservancy diversion being arranged between the spherome surface and cleaner plate protrusion, The water conservancy diversion protrusion includes being fixedly connected with the pedestal of the spherome surface, the supporting surface being arranged at the top of the pedestal, be arranged on Guide face between the supporting surface and the pedestal and the first through hole through the pedestal and the supporting surface;It is described Telescopic rod extend out to the surface of the sphere across the first through hole.By water conservancy diversion when material in pipeline flows through the guide face Face guides, and the active force in unified direction is generated to spherome surface, accelerates the rotary speed of rotating wash bowl, improves cleaning force.
Preferably, the cleaning section includes the dredging slot being arranged between the spherome surface and the cleaner plate, institute State the section radius that the surface direction of dredging slot along the centre of sphere to the sphere of the sphere gradually increases.The dredging slot increases On the sphere formed material by channel, even if cleaning ball is stuck in pipeline, be also unlikely to pipeline completely It blocks, it is safer for pipeline.
Preferably, the cleaning section includes the foamed plastic layer being arranged on outside the telescopic cavity and is arranged on described Active carbon layer outside foamed plastic layer;The active carbon layer sets the second through-hole, and the foamed plastic layer sets third through-hole, institute Telescopic rod is stated across the third through-hole, second through-hole and the first through hole, extends to the spherome surface.It is described Activated carbon increases the adsorption capacity of rotating wash bowl, can carry out absorption cleaning to pipeline.
Preferably, being provided with rigid bristles in the telescopic rod, the end of the rigid bristles is fixedly connected with the iron Magnet, the cleaner plate are equipped with bristle hole.During the telescopic rod retraction telescopic cavity, the rigid bristles pass through the bristle Hole is exposed to outside the sphere, and inner wall of the pipe is thoroughly cleaned with water.
Preferably, the telescopic rod is evenly distributed on the surface of the sphere, and cause the cleaner plate described The surface of sphere forms cleaning spherical surface.When the telescopic rod is in stretching state, the cleaner plate is in the outer surface of spheroid shape Into rigid spherical clean body, clean area can be improved.
Preferably, the cleaner plate is ceramic cleaner plate.
Preferably, the guide face is provided with water conservancy diversion screw thread.The water conservancy diversion screw thread causes the material in pipeline described Guide face quickly flows, and quick fluid dynamic causes the rotary speed of rotating wash bowl into once being promoted, to improve cleaning dynamics.
Preferably, the pressure monitor system further include the vibration energy recovery device being arranged in the sphere, with And accumulator;The vibration energy recovery device is electrically connected with the accumulator, the accumulator and pressure sensor electricity Connection, the accumulator is electrically connected with the controller, the accumulator is electrically connected with the Wireless Transmitter.
Description of the drawings
Fig. 1 cleaning ball alarm system figures.
Fig. 2 telescopic rods are in rotating wash bowl sectional view during tensional state.
Fig. 3 telescopic rods are in rotating wash bowl sectional view during contraction state.
Wherein, 3- ferromagnets, 41- telescopic cavities, 42- telescopic rods, 421- magnechucks, 422- cleaner plates, 423- elasticity pressures Contracting part, 424- rigid bristles, 11- water conservancy diversion protrusion, 12- dredging slot, 13- foamed plastic layers, 14- active carbon layers, 111- pedestals, 112- supporting surfaces, 113- guide faces, 114- first through hole, the second through-holes of 141-, 131- third through-holes.
Specific embodiment
Embodiments of the present invention are described in detail below in conjunction with attached drawing.
A kind of pipeline cleaning ball, including sphere and warning device.Such as Fig. 2, spherome surface is equipped with cleaning section, in sphere Equipped with pressure monitor system, positioning device and telescopic device.Positioning device is the ferromagnet 3 at the center for being fixed at sphere.
Telescopic device includes the telescopic cavity 41 being arranged on outside ferromagnet and by extending to spherome surface in telescopic cavity 41 Telescopic rod 42.Telescopic rod 42 has multiple, and is evenly distributed on the surface of sphere.Telescopic rod 42 includes being positioned close to ferromagnetic The magnechuck 421 of the end of body 3, the cleaner plate 422 for being arranged on the other end and connection magnechuck 421 and ferromagnet 3 Elastic compression part 423.Cleaner plate 422 is arc-shaped ceramic cleaner plate.Rigid bristles 424 are provided in telescopic rod 42, just The end of property bristle 424 is fixedly connected with ferromagnet 3.When controller control magnechuck 421 generates suction, 421 band of magnechuck Dynamic telescopic rod 42 is firmly sucked close to ferromagnet 3 and by ferromagnet 3, the rigidity brush being fixedly connected in telescopic rod 42 with ferromagnet 3 Hair 424 exposes spherome surface by the bristle hole of cleaner plate 422.When controller control magnechuck 421 does not generate suction, elasticity Compression piece 423 generates restoring force, pushes magnechuck 421 that telescopic rod 42 is driven far from ferromagnet 3 and to resist in telescopic cavity 421 Wall, the rigid bristles 424 being fixedly connected with ferromagnet 3 in telescopic rod 42 are collapsible into telescopic rod 42, multiple telescopic rods 42 it is clear Clean plate 422 forms spherical cleaning spherical surface on the surface of sphere.
Cleaning section includes the water conservancy diversion protrusion 11 being arranged between spherome surface and cleaner plate, is arranged on spherome surface and cleaning Dredging slot 12, the foamed plastic layer 13 being arranged on outside telescopic cavity 41 and the work being arranged on outside foamed plastic layer 13 between plate Property layer of charcoal 14.Water conservancy diversion protrusion 11 includes being fixedly connected with the pedestal 111 of spherome surface, the supporting surface 112 being arranged at the top of pedestal, set Put the guide face 113 between supporting surface and pedestal and the first through hole 114 through pedestal and supporting surface.113 table of guide face Face is provided with water conservancy diversion screw thread.Active carbon layer 14 sets the second through-hole 141, and foamed plastic layer 13 sets third through-hole 131, telescopic rod 42 pass through third through-hole 131, the second through-hole 141 and first through hole 114, extend to spherome surface.Dredging slot 12 has along sphere The centre of sphere to sphere the section radius that gradually increases of surface direction.Slot 12 is dredged between two neighboring water conservancy diversion protrusion 11, Two water conservancy diversion protrusions 11 are spaced apart.Guide face 113 is further used as the extension of dredging slot 12, increases in dredging slot 12 Circulation.
Rotating wash bowl can be arranged on to two different operating modes by two kinds of working conditions of stretching of telescopic device:Brush Hair cleaning model and spherical surface cleaning model.Spherical surface cleaning model can carry out duct wall the roughly cleaning and dredging of large area, Bristle cleaning model can carry out gap to duct wall and clean with water so that cleaning is more thorough.Water conservancy diversion screw thread on guide face is accelerated Directed flow speed of the fluid mechanics on guide face, generate sphere rotary thrust, the rotary speed of fixture block cleaning ball, from And promote cleaning dynamics.Dredging slot between water conservancy diversion protrusion when cleaning ball card stops in the duct, is still ensured that in pipeline Material circulation have the space of circulation, riser tubing safety.
Such as Fig. 1, pressure monitor system includes being arranged on the pressure sensor of cleaning plate surface, the control being arranged in sphere Device, Wireless Transmitter, vibration energy recovery device and accumulator.Magnechuck is electrically connected with the controller, Wireless Transmitter with Controller is electrically connected, and pressure sensor is electrically connected with the controller, and warning device is equipped with wireless receiver.Vibration energy recovery device It is electrically connected with accumulator, accumulator is electrically connected with pressure sensor, and accumulator is electrically connected with the controller, accumulator and wireless transmission Device is electrically connected.Rotating wash bowl is during pipeline cleaning, with the flowing ceaselessly end rotation of material, vibration energy recovery device The energy that recover generates, and energy source is provided for pressure detecting system and magnechuck, realize automatically supplying for energy.Pressure Force detection system judges to may have occurred blocking in pipeline, by wireless when the pressure for detecting rotating wash bowl exceeds preset value Transmitter notice is arranged on the warning device outside pipeline, and it is later more by buzzing, bright light etc. that warning device receives warning message Kind form reminds maintenance personnel's pipeline to may have occurred blocking.Maintenance personnel can be in the letter for obtaining line clogging at the first time Breath.By ferromagnetic detection device, the position of rotating wash bowl can be detected at the scene, whether further accurate judgement blocking is sent out It is raw.In the case where blocking generation, blocking position can be accurately positioned.
Wireless Transmitter can also further receive external control information, by controller to the state of magnechuck It switches over, switching is remotely controlled so as to the working condition to rotating wash bowl, to meet different cleaning demands.Come relatively It says, the diameter of rotating wash bowl is smaller with respect to spherical surface cleaning mode under bristle cleaning mode, when blocking, can also pass through cleaning The automatic dredging of pipeline is realized in the switching of ball operating mode.
Although being described in conjunction with the accompanying embodiments of the present invention, those of ordinary skill in the art can be in appended power Various deformations or amendments are made in the range of profit requirement.

Claims (9)

1. a kind of pipeline cleaning ball, including sphere and warning device;The spherome surface is equipped with cleaning section;It is characterized in that: Pressure monitor system, positioning device and telescopic device are equipped in the sphere;The positioning device is is fixed at the ball The ferromagnet at body center;The telescopic device includes being arranged on the telescopic cavity outside the ferromagnet and by the telescopic cavity Extend to the telescopic rod of the spherome surface;The electromagnetism that the telescopic rod includes being positioned close to the ferromagnetic end is inhaled Disk, be arranged on the telescopic rod the other end cleaner plate and connect the magnechuck and the ferromagnetic elasticity Compression piece;The pressure monitor system includes being arranged on the pressure sensor of the cleaning plate surface, be arranged in the sphere Controller and Wireless Transmitter;The magnechuck is electrically connected with the controller, the Wireless Transmitter and the control Device is electrically connected, and the pressure sensor is electrically connected with the controller;The warning device is equipped with wireless receiver.
2. a kind of pipeline cleaning ball according to claim 1, it is characterised in that:The cleaning section includes being arranged on the ball Between body surface face and the cleaner plate water conservancy diversion protrusion, the water conservancy diversion protrusion include be fixedly connected the spherome surface pedestal, It is arranged on the supporting surface at the top of the pedestal, the guide face being arranged between the supporting surface and the pedestal and through institute State the first through hole of pedestal and the supporting surface;The telescopic rod extend out to the surface of the sphere across the first through hole.
3. a kind of pipeline cleaning ball according to claim 2, it is characterised in that:The cleaning section includes being arranged on the ball Dredging slot between body surface face and the cleaner plate, the dredging slot have along the centre of sphere of the sphere to the surface of the sphere The section radius that direction gradually increases.
4. a kind of pipeline cleaning ball according to claim 3, it is characterised in that:The cleaning section includes being arranged on described stretch Foamed plastic layer outside contracting chamber and the active carbon layer being arranged on outside the foamed plastic layer;The active carbon layer setting second Through-hole, the foamed plastic layer set third through-hole, and the telescopic rod passes through the third through-hole, second through-hole and institute First through hole is stated, extends to the spherome surface.
5. a kind of pipeline cleaning ball according to claim 1, it is characterised in that:Rigid brush is provided in the telescopic rod Hair, the end of the rigid bristles is fixedly connected with the ferromagnet;The cleaner plate is equipped with bristle hole.
6. a kind of pipeline cleaning ball according to claim 1, it is characterised in that:The telescopic rod is evenly distributed on the ball The surface of body, and the cleaner plate is caused to form cleaning spherical surface on the surface of the sphere.
7. a kind of pipeline cleaning ball according to claim 1, it is characterised in that:The cleaner plate is ceramic cleaner plate.
8. a kind of pipeline cleaning ball according to claim 2, it is characterised in that:The guide face is provided with water conservancy diversion screw thread.
9. a kind of pipeline cleaning ball according to claim 1, it is characterised in that:The pressure monitor system further includes setting Vibration energy recovery device and accumulator in the sphere;The vibration energy recovery device and accumulator electricity Connection, the accumulator are electrically connected with the pressure sensor, and the accumulator is electrically connected with the controller, the accumulator It is electrically connected with the Wireless Transmitter.
CN201610448504.9A 2016-06-21 2016-06-21 A kind of pipeline cleaning ball Active CN106076994B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN106076994B true CN106076994B (en) 2018-06-22

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CN108277307B (en) * 2018-02-06 2021-05-07 海宁文硕科技咨询有限公司 Rotary drum ball for leather liming and unhairing
CN108746094B (en) * 2018-05-17 2020-11-13 徐州诚凯知识产权服务有限公司 Pipeline inner wall belt cleaning device
CN108746095B (en) * 2018-05-17 2020-11-13 徐州诚凯知识产权服务有限公司 Pipeline inner wall belt cleaning device
CN108580457B (en) * 2018-05-17 2020-11-10 六安祥川科技有限公司 Pipeline inner wall belt cleaning device with self-cleaning function
CN108453101B (en) * 2018-05-17 2020-07-03 刘晓冰 Pipeline inner wall belt cleaning device
CN108941082B (en) * 2018-08-17 2020-06-23 南京溧水高新创业投资管理有限公司 Pipeline internal cleaning device based on electromagnetic principle
CN109967461B (en) * 2019-03-01 2021-07-09 安徽工程大学 Pipe fitting belt cleaning device for car
CN111113442A (en) * 2019-12-19 2020-05-08 南京涵铭置智能科技有限公司 Underwater cleaning robot and cleaning method thereof
CN111318093A (en) * 2020-04-08 2020-06-23 吴狮群 Flue gas purification equipment for rubber processing
CN112170401B (en) * 2020-10-13 2021-10-29 陕西天元石化建设工程有限公司 High-efficient spherical pig of oil pipeline
CN113108158B (en) * 2021-04-30 2022-11-15 江南造船(集团)有限责任公司 Water supply and drainage pipeline maintenance system
CN113926812B (en) * 2021-09-09 2023-01-20 珠海浦力生医疗科技有限公司 Nasal feeding tube belt cleaning device is used in medical treatment

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4345350A (en) * 1981-01-26 1982-08-24 British Gas Corporation Pipeline cleaning equipment
CN103008303A (en) * 2012-12-12 2013-04-03 卢鹰 Pipeline robot for pipeline automatic distribution system of Internet of things
CN103639161A (en) * 2013-11-19 2014-03-19 无锡新人居科贸有限公司 Central air conditioner cleaning device
CN203711423U (en) * 2013-08-22 2014-07-16 贵州大学 Dust removal robot for chimney
CN105149300A (en) * 2015-07-20 2015-12-16 天津城建大学 Novel underground drainage pipeline sewage disposal device
CN204996795U (en) * 2015-09-14 2016-01-27 西安天元合成材料有限公司 Pipeline stay -furring tool

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000061420A (en) * 1998-08-20 2000-02-29 Yakult Honsha Co Ltd Cleaning device for inside of pipe
US20070151055A1 (en) * 2006-01-04 2007-07-05 766089 Alberta Ltd. Pipeline pig brush and brush assembly

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4345350A (en) * 1981-01-26 1982-08-24 British Gas Corporation Pipeline cleaning equipment
CN103008303A (en) * 2012-12-12 2013-04-03 卢鹰 Pipeline robot for pipeline automatic distribution system of Internet of things
CN203711423U (en) * 2013-08-22 2014-07-16 贵州大学 Dust removal robot for chimney
CN103639161A (en) * 2013-11-19 2014-03-19 无锡新人居科贸有限公司 Central air conditioner cleaning device
CN105149300A (en) * 2015-07-20 2015-12-16 天津城建大学 Novel underground drainage pipeline sewage disposal device
CN204996795U (en) * 2015-09-14 2016-01-27 西安天元合成材料有限公司 Pipeline stay -furring tool

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