CN112361120A - Non-excavation formula pipeline maintenance all-in-one - Google Patents

Non-excavation formula pipeline maintenance all-in-one Download PDF

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Publication number
CN112361120A
CN112361120A CN202011103316.5A CN202011103316A CN112361120A CN 112361120 A CN112361120 A CN 112361120A CN 202011103316 A CN202011103316 A CN 202011103316A CN 112361120 A CN112361120 A CN 112361120A
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CN
China
Prior art keywords
machine body
machine
pipeline
shaft
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011103316.5A
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Chinese (zh)
Inventor
王文明
赵林
刘嘉澍
孙袭明
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Tianjin University
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Tianjin University
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Filing date
Publication date
Application filed by Tianjin University filed Critical Tianjin University
Priority to CN202011103316.5A priority Critical patent/CN112361120A/en
Publication of CN112361120A publication Critical patent/CN112361120A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
    • F16L55/28—Constructional aspects
    • F16L55/30—Constructional aspects of the propulsion means, e.g. towed by cables
    • F16L55/32—Constructional aspects of the propulsion means, e.g. towed by cables being self-contained
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/049—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
    • B08B9/051—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled the cleaning devices having internal motors, e.g. turbines for powering cleaning tools
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/18—Appliances for use in repairing pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2101/00—Uses or applications of pigs or moles
    • F16L2101/10—Treating the inside of pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2101/00—Uses or applications of pigs or moles
    • F16L2101/10—Treating the inside of pipes
    • F16L2101/12—Cleaning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2101/00—Uses or applications of pigs or moles
    • F16L2101/10—Treating the inside of pipes
    • F16L2101/16—Coating by application of fluent materials, e.g. painting

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Cleaning In General (AREA)

Abstract

The invention relates to pipeline maintenance equipment, in particular to a trenchless pipeline maintenance all-in-one machine which comprises a machine body, a travelling mechanism arranged on the machine body and used for driving the machine body to move in a pipeline, and a film coating mechanism, a sewage discharging mechanism, a brush mechanism, a cleaning mechanism and a scraper mechanism which are sequentially arranged along the advancing direction of the machine body in the pipeline. The invention has the advantages that the device integrates scraping, cleaning, pollution discharge and film coating, not only can clean attachments on the inner wall of the pipeline, but also can repair the pipeline damage.

Description

Non-excavation formula pipeline maintenance all-in-one
Technical Field
The invention relates to pipeline maintenance equipment, in particular to a non-excavation pipeline maintenance all-in-one machine.
Background
Underground piping is through long-time use back, especially metal pipeline, and its inside can be because of the long-time effect of fluid or the impurity that fluid carried deposits the scale deposit and adheres to on the pipeline inner wall, and some impurity can lead to the fact the corruption to pipeline inner wall, can lead to the pipeline damaged when serious, and simultaneously, partial pipeline still can be because of damage such as damage, fracture take place for reasons such as geology transition, corruption, lead to the seepage, cause the waste of water resource. The existing maintenance mode is to throw the pavement away, then take out and replace the damaged pipeline, and then pave the pavement after the replacement is finished. Therefore, the pipeline maintenance all-in-one machine is short in maintenance period and low in cost, and does not need to throw off the road surface.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a trenchless pipeline maintenance all-in-one machine.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a non-excavation formula pipeline maintenance all-in-one, includes organism, sets up the running gear who removes in order to drive the organism in the pipeline on the organism and along the tectorial membrane mechanism, sewage mechanism, brush mechanism, wiper mechanism and the scraper mechanism that the advancing direction of organism in the pipeline set gradually.
By adopting the technical scheme, the machine body can move along the axial direction of the pipeline under the driving of the travelling mechanism, in the moving process, the scraper mechanism can clean attachments on the inner wall of the pipeline for the first time, the cleaning mechanism can clean the inner wall of the pipeline by spraying water, the hairbrush mechanism can clean the inner wall of the pipeline for the second time, after the first cleaning, the water spraying cleaning and the second cleaning, the attachments flow down along the pipe wall and are gathered at the bottom of the pipeline, and then the attachments are discharged out of the pipeline through the sewage discharge mechanism, meanwhile, the film covering mechanism can cover a layer of protective film on the cleaned inner wall of the pipeline for blocking the damage of the pipeline and preventing leakage, compared with the prior art, the pipeline maintenance all-in-one machine in the application not only can clean the attachments on the inner wall of the pipeline, but also can repair the damage of the pipeline, when in use, the road surface does not need to be thrown away and, therefore, the maintenance period is shorter and the cost is lower.
The invention in a preferred example may be further arranged to: the machine body is cylindrical;
the two groups of walking mechanisms are respectively arranged on the outer walls of the machine body close to the two ends; the walking mechanism comprises three supporting units which are distributed along the radial direction of the machine body and are circumferentially and walking parts which are respectively arranged at one end, far away from the machine body, of each supporting unit.
Through adopting above-mentioned technical scheme, two sets of running gear can be better support the organism, drive the organism simultaneously and follow the pipeline back-and-forth movement.
The invention in a preferred example may be further arranged to: the supporting unit is an air cylinder, and a cylinder body of the supporting unit is fixed on the machine body.
Through adopting above-mentioned technical scheme, the cylinder is flexible can realize the regulation to support element length to adapt to the pipeline of different pipe diameters.
The invention in a preferred example may be further arranged to: the walking part comprises a U-shaped support, a pair of rotating shafts which are rotatably connected between two side plates of the U-shaped support and are arranged side by side, and walking wheels which are respectively and fixedly connected on the two rotating shafts, wherein the axes of the rotating shafts are vertical to the axis of the machine body;
and a power source for driving the travelling wheels to rotate is arranged on the U-shaped support.
Through adopting above-mentioned technical scheme, when starting the power supply, it can drive the walking wheel and walk on the pipeline inner wall, because the walking wheel does not have the function that turns to, consequently, can only the back-and-forth movement, can not turn round in the pipeline, makes things convenient for other parts normal work.
The invention in a preferred example may be further arranged to: the power supply is including fixing the servo motor in one of them curb plate outside and installing on the curb plate and the reduction gear of being connected with servo motor's axle, the output shaft of reduction gear passes inside curb plate to U-shaped support and is located between two walking wheels, and the output shaft is located the inside body of rod of U-shaped support and is fixed connected with the pinion, two respectively the rigid coupling has the gear wheel with pinion engaged with in the pivot.
Through adopting above-mentioned technical scheme, when servo motor just rotated, power passed through the reduction gear and transmitted on the pinion for the pinion can drive two gear wheels syntropy rotations simultaneously, and then drives two walking wheels through the pivot and rotate, drives the back-and-forth movement of whole pipeline maintenance all-in-one in the pipeline.
The invention in a preferred example may be further arranged to: one end of the machine body is provided with a machine head which is hollow inside and cylindrical, a supporting shaft which is connected with the machine head into a whole and extends horizontally is fixedly connected between the machine body and the machine head, the outer part of the supporting shaft is rotatably connected with a sleeve shaft, one end of the machine head, which is opposite to the supporting shaft, is rotatably connected with a transmission shaft which extends horizontally along the axial direction of the machine head, and the scraper mechanism and the hairbrush mechanism are respectively arranged on the transmission shaft and the sleeve shaft;
and a driving mechanism for driving the transmission shaft and the sleeve shaft to rotate simultaneously is arranged in the machine head.
Through adopting above-mentioned technical scheme, actuating mechanism can drive transmission shaft and sleeve shaft and rotate simultaneously to make scraper mechanism and brush mechanism carry out clearance and secondary clearance once to the pipe inner wall, guarantee with pipe inner wall clean up.
The invention in a preferred example may be further arranged to: scraper mechanism includes rigid coupling at the epaxial first carousel of transmission, along first carousel radial and be many first telescopic links that the circumference distributes and install the tool bit of keeping away from first carousel one end at first telescopic link.
By adopting the technical scheme, the scraper mechanism mainly plays a role in breaking and scraping off dirt attached to the inner wall of the pipeline; according to needs, staff's accessible is adjusted the length of first telescopic link and is made scraper mechanism adapt to the pipeline of different pipe diameters.
The invention in a preferred example may be further arranged to: the tool bit is arc-shaped, and one side of the tool bit, which is close to the inner wall of the pipeline, is serrated.
Through adopting above-mentioned technical scheme, the design of cockscomb structure can be better scrapes the attachment.
The invention in a preferred example may be further arranged to: the brush mechanism is fixedly connected with a second rotary table on the sleeve shaft, a plurality of second telescopic rods distributed circumferentially along the radial direction of the second rotary table, a U-shaped seat fixedly connected with one end of the second telescopic rod far away from the second rotary table and a brush arranged in the U-shaped seat.
By adopting the technical scheme, the brush mechanism mainly has the functions of secondary cleaning, and the broken attachments on the inner wall of the pipeline are brushed off, so that the cleanness degree of the inner wall of the pipeline is ensured; according to needs, staff's accessible is adjusted the length of second telescopic link and is made brush mechanism adapt to the pipeline of different pipe diameters.
The invention in a preferred example may be further arranged to: the driving mechanism comprises a double-shaft motor arranged inside the machine head, driving gears fixedly connected to two driving shafts extending out of the machine head from the double-shaft motor to the outside, and driven gears fixedly connected to the sleeve shaft and the transmission shaft respectively and meshed with the driving gears respectively.
By adopting the technical scheme, when the double-shaft motor is started, power is transmitted to the transmission shaft and the sleeve shaft through the driving gear and the driven gear, at the moment, the transmission shaft and the sleeve shaft respectively drive the first turntable and the second turntable to rotate, in the rotating process, the tool bit scrapes off attachments on the inner wall of the pipeline, and the brush brushes off the attachments adhered on the inner wall of the pipeline; the brush mechanism and the scraper mechanism can be driven to act simultaneously through one motor, so that the manufacturing cost is greatly reduced.
The invention in a preferred example may be further arranged to: the cleaning mechanism comprises an annular water pipe, a supporting rod, a universal spherical spray head and a water supply pipe, wherein the annular water pipe is sleeved outside the machine head, the supporting rod is fixedly connected between the outer wall of the machine head and the annular water pipe to support the annular water pipe, the universal spherical spray head is arranged on the annular water pipe and faces one side of the tool bit, and the water supply pipe is connected to the annular water pipe and sequentially penetrates through the machine head, the supporting shaft and the machine body to.
Through adopting above-mentioned technical scheme, behind the switch-on water source, rivers can follow in the delivery pipe gets into the annular water pipe, then spout through universal spherical nozzle, and its cooperation scraper mechanism uses, can be faster clear away totally with the attachment.
The invention in a preferred example may be further arranged to: the sewage discharge mechanism comprises a sewage discharge pump arranged in the machine body, a transition pipe connected to the inlet of the sewage discharge pump and with one end extending out of the machine body downwards, a sewage discharge pipe connected to the outlet of the sewage discharge pump and a suction nozzle connected to the transition pipe in a flange manner; the suction nozzle is flat, and an arc-shaped plate matched with the inner wall of the pipeline is integrally connected to the suction inlet of the suction nozzle.
Through adopting above-mentioned technical scheme, when starting the dredge pump, assemble the attachment of bottom the pipeline and can inhale by the suction nozzle, then arrange through the blow off pipe and deliver to the outside, because suction nozzle and transition pipe are flange joint, consequently when the pipeline of clearance different pipe diameters, can change the suction nozzle.
The invention in a preferred example may be further arranged to: and a baffle matched with the inner wall of the pipeline is arranged at the position of the machine body between the sewage draining mechanism and the film covering mechanism.
Through adopting above-mentioned technical scheme, mainly used prevents that the mixture that attachment and water formed from flowing to the one side of the pipeline that has been cleared up, simultaneously, at random the in-process that the body removed, the baffle can be with the mixture towards the propelling movement of drainage mechanism to better blowdown.
The invention in a preferred example may be further arranged to: the baffle comprises a pair of semicircular rings, the two semicircular rings form a closed loop when encircling on the machine body, and two sides of the butt joint of the two semicircular rings are fixedly connected with lug plates which can be connected through bolts respectively.
Through adopting above-mentioned technical scheme, only need during the installation with two semicircle encircle close on the organism, then fix through the bolt can, easy operation, simple to operate, simultaneously, according to the pipeline of different pipe diameters, the corresponding semicircle ring with it is removable to the staff.
The invention in a preferred example may be further arranged to: the laminating mechanism is arranged between the two groups of travelling mechanisms, and comprises a retaining ring fixedly connected to the machine body, a protective film leaning against the retaining ring to keep away from one side of the baffle and stacked on the machine body, a heating assembly arranged on the machine body between the retaining ring and the baffle and used for heating the protective film, and a film pressing assembly fixed on the machine body and used for pressing the heated protective film on the inner wall of the pipeline.
Through adopting above-mentioned technical scheme, before the maintenance, turn up the one end of protection film and fix the one end at the pipeline, along with the removal of organism, the protection film can expand gradually, and the in-process heating element that expandes heats one side that the protection film is close to the pipeline inner wall, and simultaneously, the protection film after the press mold subassembly will heat compresses tightly, adheres on the pipeline inner wall, realizes the tectorial membrane.
The invention in a preferred example may be further arranged to: heating element includes a plurality of quick-operation joint that install on the organism and be the circumference and distribute, connects and lie in the gas-supply pipe of the inside one end of organism at quick-operation joint, connect the jet-propelled pipe of rigidity that quick-operation joint lies in the outside one end of organism and extends towards the protection film that expandes and install the blast lamp at the free end of the jet-propelled pipe of rigidity, the gas-supply pipe is connected with external air supply bottle.
By adopting the technical scheme, as the plurality of the blowlamps are circumferentially distributed, the protective film can be heated more uniformly, and the film coating quality is improved; according to needs, the staff can change rigidity jet-propelled pipe to heating element can adapt to the pipeline of different pipe diameters.
The invention in a preferred example may be further arranged to: the film pressing assembly is close to the traveling mechanism at the rear end and comprises a plurality of air supporting rods which are distributed along the radial direction of the machine body and are distributed circumferentially, a U-shaped support which is fixedly connected with the air supporting rods and is far away from one end of the machine body, and a shuttle-shaped roller which is rotatably connected onto the U-shaped support.
By adopting the technical scheme, in the moving process of the machine body, the shuttle-shaped roller always rolls and tightly abuts against the protective film, so that the protective film after hot melting is tightly pressed and fixed on the inner wall of the pipeline to realize film coating; according to the needs, the staff still can adjust the length of gas vaulting pole through pressing gas vaulting pole to the pipeline of different apertures is adapted to.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the pipeline maintenance all-in-one machine can clean attachments on the inner wall of the pipeline and repair the damaged pipeline, and when the pipeline maintenance all-in-one machine is used, the road surface does not need to be thrown away, and a new pipeline does not need to be replaced, so that the maintenance period is shorter, and the cost is lower; the machine body can move axially along the pipeline under the driving of the travelling mechanism, in the moving process, the scraper mechanism can clean attachments on the inner wall of the pipeline for the first time, the cleaning mechanism can spray water to clean the inner wall of the pipeline, the hairbrush mechanism can clean the inner wall of the pipeline for the second time, after the first cleaning, the second cleaning and the second cleaning, the attachments flow down along the pipe wall and are gathered at the bottom of the pipeline, and then the attachments are discharged out of the pipeline through the sewage discharge mechanism, and meanwhile, the film coating mechanism can cover a layer of protective film on the cleaned inner wall of the pipeline, so that the protective film is used for blocking the damage of the pipeline and preventing leakage;
2. according to needs, staff can adjust each mechanism to the operation can be carried out in getting into the pipeline in different apertures to pipeline maintenance all-in-one. Collect to strike off, wash, blowdown, tectorial membrane in an organic whole, not only can be with the attachment clean up on the pipeline inner wall, can also repair the pipeline damage.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view showing the operation of the pipe repair integrated machine inside a pipe;
FIG. 3 is a schematic view showing a specific structure of a traveling mechanism;
FIG. 4 is a schematic view showing the positional relationship and structure among the brush mechanism, the cleaning mechanism and the scraper mechanism;
FIG. 5 is a cross-sectional view showing the structure of the first telescopic rod or the second telescopic rod;
FIG. 6 is a sectional view showing the internal structure of the handpiece;
FIG. 7 is a sectional view showing a detailed structure of the soil exhaust mechanism;
FIG. 8 is a schematic view showing a specific structure of the film coating mechanism.
Reference numeral, 1, a machine body; 11. a semicircular ring; 12. an ear plate; 13. an annular groove; 2. a traveling mechanism; 21. a support unit; 22. a U-shaped support; 221. mounting a plate; 222. a side plate; 23. a rotating shaft; 24. a traveling wheel; 25. a servo motor; 26. a speed reducer; 27. a pinion gear; 28. a bull gear; 3. a film covering mechanism; 31. a baffle ring; 32. a protective film; 33. a heating assembly; 331. a quick coupling; 332. a rigid gas lance; 333. a blowtorch; 34. a film pressing assembly; 341. a gas strut; 342. a U-shaped bracket; 343. a shuttle roller; 4. a sewage draining mechanism; 41. a sewage pump; 42. a transition duct; 43. a blow-off pipe; 44. a suction nozzle; 45. an arc-shaped plate; 5. a brush mechanism; 51. a second turntable; 52. a second telescopic rod; 53. a U-shaped seat; 54. a brush; 6. a cleaning mechanism; 61. an annular water pipe; 62. a support bar; 63. a universal spherical nozzle; 64. a water supply pipe; 7. a scraper mechanism; 71. a first turntable; 72. a first telescopic rod; 73. a cutter head; 8. a pipeline; 9. a machine head; 91. a support shaft; 92. a sleeve shaft; 93. a drive shaft; 94. a double-shaft motor; 95. a first drive shaft; 96. a second drive shaft; 97. a driving gear; 98. a driven gear; 101. a sleeve; 102. adjusting a rod; 103. a groove; 104. a limiting column; 105. a spring; 106. and a limiting hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the trenchless pipeline maintenance all-in-one machine disclosed by the invention comprises a machine body 1, a travelling mechanism 2 arranged on the machine body 1, and a film covering mechanism 3, a sewage discharging mechanism 4, a brush mechanism 5, a cleaning mechanism 6 and a scraper mechanism 7 which are sequentially arranged along the travelling direction of the machine body 1 in a pipeline 8, wherein the machine body 1 can axially move along the pipeline 8 under the driving of the travelling mechanism 2, in the moving process, the scraper mechanism 7 performs primary cleaning on attachments on the inner wall of the pipeline 8, the cleaning mechanism 6 performs water spraying cleaning on the inner wall of the pipeline 8, the brush mechanism 5 performs secondary cleaning on the inner wall of the pipeline 8, after the primary cleaning, the water spraying cleaning and the secondary cleaning, the attachments flow down along the pipe wall and are gathered at the bottom of the pipeline 8 and then are discharged out of the pipeline 8 through the sewage discharging mechanism 4, meanwhile, the film covering mechanism 3 covers the inner wall of the cleaned pipeline 8 with a film, for sealing the pipe 8 from damage and preventing leakage, it is necessary to pump out the water in the pipe 8 before cleaning.
Referring to fig. 1 and 3, the body 1 is cylindrical and has a hollow structure inside; the two groups of travelling mechanisms 2 are respectively arranged on the outer walls of the machine body 1 close to the two ends, each group of travelling mechanisms 2 comprises three supporting units 21 which are distributed along the radial direction of the machine body 1 and are distributed in a circumferential mode and a travelling part which is respectively arranged at one end, far away from the machine body 1, of each supporting unit 21, each supporting unit 21 has a telescopic function and can be arranged to be an air cylinder, a hydraulic cylinder, an air supporting rod or a hydraulic rod, in the embodiment, the supporting units 21 are preferably air cylinders, the cylinder bodies of the air cylinders are fixed on the machine body 1, and workers can adjust the travelling mechanisms 2 by adjusting the strokes of the air cylinders according to needs, so that the pipeline maintenance all-in-one machine can enter pipelines 8 (see fig. 2); the walking portion includes U-shaped support 22, U-shaped support 22 comprises mounting panel 221 and a pair of curb plate of perpendicular rigid coupling on mounting panel 221 222, one side rigid coupling that mounting panel 221 kept away from curb plate 222 is on the free end of support element 21, it is connected with a pair of pivot 23 that sets up side by side to rotate between the curb plate 222, the axis of pivot 23 is mutually perpendicular with the axis of organism 1, the rigid coupling has walking wheel 24 respectively on two pivot 23, at the in-process that removes in pipeline 8, walking wheel 24 supports all the time on pipeline 8 inner wall.
The U-shaped support 22 is provided with a power source which drives road wheels 24 to rotate, thereby driving the entire pipeline 8 maintenance machine to move in the pipeline 8. The power source comprises a servo motor 25 fixed on the outer side of one side plate 222 and a speed reducer 26 installed on the side plate 222 and connected with a shaft of the servo motor 25, an output shaft of the speed reducer 26 penetrates through the side plate 222 to the inside of the U-shaped seat and is located between two traveling wheels 24, a pinion 27 is fixedly connected to an output shaft of the speed reducer 26 on a rod body located inside the U-shaped seat, large gears 28 meshed with the pinion 27 are fixedly connected to two rotating shafts 23 respectively, when the servo motor 25 rotates forwards and backwards, power is transmitted to the pinion 27 through the speed reducer 26, the pinion 27 can simultaneously drive the two large gears 28 to rotate in the same direction, then the two traveling wheels 24 are driven to rotate through the rotating shafts 23, and the whole pipeline maintenance all-in-one machine is driven.
Referring to fig. 1 and 4, a machine head 9 is arranged at one end of the machine body 1, the machine head 9 is in a cylindrical shape and is arranged in a hollow manner, a supporting shaft 91 which is integrally connected with the machine head 1 and the machine head 9 is fixedly connected between the machine body 1 and the machine head 9, the axis of the supporting shaft 91 is overlapped with the axes of the machine body 1 and the machine head 9, a sleeve shaft 92 is sleeved outside the supporting shaft 91, the sleeve shaft 92 is rotatably connected onto the supporting shaft 91 through a bearing, a transmission shaft 93 which horizontally extends along the axis direction of the machine head 9 is arranged at one end, far away from the supporting shaft 91, of the machine head 9, the transmission shaft 93 is rotatably connected onto the machine head 9 through a bearing, the scraper mechanism 7 and the brush mechanism 5 are respectively installed on the transmission shaft 93 and the sleeve shaft 92, a driving mechanism is arranged in the machine head 9.
Referring to fig. 4, the scraper mechanism 7 includes a first rotating disc 71 fixedly connected to the transmission shaft 93, a plurality of first telescopic rods 72 distributed along the radial direction of the first rotating disc 71 and in a circumferential manner, and a cutter head 73 mounted at one end of the first telescopic rod 72 far from the first rotating disc 71, the cutter head 73 is in an arc-shaped structure, one side of the cutter head 73 close to the inner wall of the pipeline 8 (see fig. 2) is in a saw-toothed shape, and in the process that the cutter head 73 rotates along with the first rotating disc 71, the saw-toothed design can better scrape off attachments; the brush mechanism 5 is fixedly connected to a second rotating disc 51 on the sleeve shaft 92, a plurality of second telescopic rods 52 radially distributed along the circumference of the second rotating disc 51, a U-shaped seat 53 fixedly connected to one end of the second telescopic rod 52 far away from the second rotating disc 51, and a brush 54 installed in the U-shaped seat 53, wherein the brush 54 can be a roller-shaped brush 54 or a brush, and the brush 54 can perform secondary cleaning on the inner wall of the pipeline 8 along with the rotation of the second rotating disc 51 to brush off attachments adhered to the inner wall of the pipeline 8.
Referring to fig. 4 and 5, the first telescopic rod 72 and the second telescopic rod 52 have the same structure, and both of them include a sleeve 101 and an adjusting rod 102 sliding in the sleeve 101, the sleeve 101 is hollow and has an open end, the adjusting rod 102 is a solid structure, the end of the sleeve 101 away from the open end is fixedly connected to the circumferential surface of the first turntable 71 or the second turntable 51, the cutter head 73 or the brush 54 is arranged at the free end of the adjusting rod 102, and the length of the extending or retracting of the adjusting rod 102 is adjusted to adjust the overall length of the first telescopic rod 72 or the second telescopic rod 52, so that the scraper mechanism 7 or the brush mechanism 5 can clean pipes 8 (see fig. 2) with different pipe diameters.
A clamping structure is arranged between the adjusting rod 102 and the sleeve 101, the clamping structure specifically comprises grooves 103 symmetrically formed in the outer wall of the adjusting rod 102, limiting columns 104 sliding in each groove 103 and having one ends extending out of the grooves 103, and springs 105 connected between the inner bottom wall of the grooves 103 and the limiting columns 104, when the limiting columns 104 are pressed, the limiting columns 104 are retracted into the grooves 103, otherwise, the limiting columns extend out of the grooves 103; the sleeve 101 is provided with a plurality of pairs of limiting holes 106 corresponding to the two limiting posts 104 at equal intervals along the axial direction, and the limiting posts 104 penetrate through a certain pair of limiting holes 106 to realize limiting and fixing of the adjusting rod 102, so that a worker can manually adjust the adjusting rod according to needs.
Referring to fig. 4 and 6, the driving mechanism includes a dual-shaft motor 94 installed inside the handpiece 9, two shafts of the dual-shaft motor 94 are driving shafts, and for convenience of description, the two driving shafts are respectively named as a first driving shaft 95 and a second driving shaft 96, the first driving shaft 95 is located at the front end of the handpiece 9, the second driving shaft 96 is located at the rear end (end close to the supporting shaft 91) of the handpiece 9, opposite ends of the first driving shaft 95 and the second driving shaft 96 extend out of the handpiece 9 to the outside, driving gears 97 are respectively fixed to rod bodies of the first driving shaft 95 and the second driving shaft 96 extending out of the handpiece 9 to the outside, driven gears 98 engaged with the two driving gears 97 are respectively fixed to outer walls of the sleeve shaft 92 and the transmission shaft 93, when the dual-shaft motor 94 is started, power is transmitted to the transmission shaft 93 and the sleeve shaft 92 through the driving gears 97 and the driven gears 98, at, the transmission shaft 93 and the sleeve shaft 92 respectively drive the first rotating disc 71 and the second rotating disc 51 to rotate, in the rotating process, the cutter head 73 scrapes off attachments on the inner wall of the pipeline 8 (see fig. 2), and the brush 54 brushes off the attachments adhered on the inner wall of the pipeline 8.
The cleaning mechanism 6 is arranged between the scraper mechanism 7 and the brush mechanism 5, the cleaning mechanism 6 comprises an annular water pipe 61 sleeved outside the machine head 9, a support rod 62 fixedly connected between the outer wall of the machine head 9 and the annular water pipe 61 for supporting the annular water pipe 61, a universal spherical spray nozzle 63 arranged on the annular water pipe 61 and facing one side of the tool bit 73, and a water supply pipe 64 connected to the annular water pipe 61, the type of the universal spherical spray nozzle 63 is 155rs, the water supply pipe 64 sequentially penetrates through the machine head 9, the support shaft 91 and the machine body 1 to be arranged outwards, according to the length of the pipeline 8 to be cleaned, a worker can lengthen the water supply pipe 64 through the water pipe joint, before cleaning the pipeline 8, the worker adjusts the universal spherical spray nozzle 63 to spray water towards the tool bit 73, after the water source is connected, the water flow can enter the annular water pipe 61 along the water supply pipe 64 and then is sprayed out through the, the mode of spraying water while scraping can more quickly clean the attachments.
Referring to fig. 7, the soil discharging mechanism 4 is disposed on the machine body 1 at a position in front of the two sets of traveling mechanisms 2, where front refers to a direction in which the machine body 1 moves. The sewage discharging mechanism 4 comprises a sewage discharging pump 41 arranged inside the machine body 1, a transition pipe 42 connected to the inlet of the sewage discharging pump 41, a sewage discharging pipe 43 connected to the outlet of the sewage discharging pump 41 and a suction nozzle 44 flanged to the transition pipe 42; the transition pipe 42 is a rigid pipe elbow with 90 degrees, and one end opening of the transition pipe extends downwards out of the machine body 1; the suction nozzle 44 is flat, an arc-shaped plate 45 matched with the inner wall of the pipeline 8 (see figure 2) is integrally connected to the suction inlet of the suction nozzle, when the arc-shaped plate 45 is pressed against the inner wall of the pipeline 8, a certain angle is formed between the arc-shaped plate 45 and the inner wall of the pipeline 8, and the arc-shaped plate 45 can play a role of shoveling materials in the process of moving along with the machine body 1; the drain pipe 43 is a flexible pipe and can be lengthened as required.
The during operation is connected blow off pipe 43 and assigned position, starts dredge pump 41, and at this moment, the attachment that assembles in 8 bottoms of pipeline can be inhaled by suction nozzle 44, then arranges through blow off pipe 43 and sends to the outside, and the mode of blowdown is simultaneously cleared up, can be better with 8 inner walls clean up of pipeline. Because the suction nozzle 44 is connected with the transition pipe 42 by flanges, the suction nozzle 44 can be replaced when the pipelines 8 with different pipe diameters are cleaned.
Referring to fig. 2 and 7, in order to prevent the mixture of the attachments and the water from flowing to one side of the cleaned pipeline 8, a baffle is arranged at a position of the machine body 1 between the pollution discharge mechanism 4 and the film coating mechanism 3, the circumferential surface of the baffle is tightly abutted against the inner wall of the pipeline 8, and the baffle pushes the mixture to move towards the pollution discharge mechanism 4 in the process of moving along with the machine body 1, so that the pollution discharge mechanism 4 can discharge pollutants better. The baffle comprises a pair of semicircle rings 11, and two semicircle rings 11 form the closed loop when embracing on organism 1, and two sides of two semicircle ring 11 butt joints are the rigid coupling respectively have otic placode 12, pass through bolted connection between the otic placode 12 to realize the fixed of semicircle ring 11. For the convenience of staff to install the baffle, the position of the machine body 1 corresponding to the baffle is provided with an annular groove 13 for embedding the baffle, and the annular groove is used for limiting the baffle.
Referring to fig. 8, the film covering mechanism 3 is disposed between the two sets of traveling mechanisms 2, and the film covering mechanism 3 includes a baffle ring 31 fixedly connected to the machine body 1, a protective film 32 stacked on the machine body 1 and leaning against one side of the baffle ring 31 away from the baffle plate, a heating assembly 33 installed on the machine body 1 between the baffle ring 31 and the baffle plate to heat the protective film 32, and a film pressing assembly 34 fixed on the machine body 1 to press and hold the heated protective film 32; the protection film 32 is the pitch waterproofing membrane of tube-shape, and it has good ductility, before the maintenance, turns up the one end of protection film 32 and fixes the one end at pipeline 8 (see fig. 2), along with organism 1's removal, protection film 32 can expand gradually, and the in-process heating element 33 that expands heats one side that protection film 32 is close to pipeline 8 inner wall, and simultaneously, press mold subassembly 34 compresses tightly the protection film 32 after heating, makes it adhere on pipeline 8 inner wall, realizes the tectorial membrane.
The heating assembly 33 comprises a plurality of quick connectors 331 which are arranged on the machine body 1 and distributed circumferentially, one end of each quick connector 331, which is positioned inside the machine body 1, is connected with a gas pipe, the gas pipe is connected with an external gas supply bottle, one end of each quick connector 331, which is positioned outside the machine body 1, is connected with a rigid gas injection pipe 332, which extends towards the unfolded protection film 32, the rigid gas injection pipes 332 are prefabricated and are designed according to the inner diameter of each pipeline 8 (see fig. 2), a blowtorch 333 is arranged at the free end of each rigid gas injection pipe 332, the injection temperature of the blowtorch 333 is about 180-200 ℃, and the blowtorch 333 mainly has the function of carrying out hot melting on one side, close to the inner wall of the pipeline 8, of the protection film 32 so that the protection film.
The film pressing assembly 34 is close to the traveling mechanism 2 at the rear end, one end of the protective film 32 is turned outwards and fixed on the pipeline 8, the film pressing assembly 34 is covered in the protective film 32, the film pressing assembly 34 comprises a plurality of air supporting rods 341 which are distributed along the radial direction of the machine body 1 and are distributed in the circumferential direction, a U-shaped support 342 which is fixedly connected to one end of the air supporting rod 341 far away from the machine body 1 and a shuttle roller 343 which is rotatably connected to the U-shaped support 342, the length of the air supporting rod 341 is larger than the pipe diameter, and according to needs, a worker can adjust the length of the air supporting rod 341 by pressing the air supporting rod 341 so as to adapt to pipelines 8 (see fig. 2) with different apertures, in the moving process of the machine body 1, the shuttle roller 343 always rolls and abuts against the protective film 32 which is hot-melted.
The implementation principle of the embodiment is as follows: firstly, turning over one end of the protective film 32 outwards and fixing the protective film at one end of the pipeline 8, then starting the servo motor 25, transmitting power to the pinion 27 through the reducer 26, enabling the pinion 27 to simultaneously drive the two bull gears 28 to rotate, further driving the two traveling wheels 24 to rotate, driving the whole pipeline maintenance all-in-one machine to move forwards in the pipeline 8, in the moving process, respectively driving the first rotating disc 71 and the second rotating disc 51 to rotate through the double-shaft motor 94, enabling the cutter head 73 and the brush 54 to work together, cleaning the inner wall of the pipeline 8, simultaneously spraying water through the universal spherical nozzle 63, flushing broken attachments and converging the attachments at the bottom of the pipeline 8, and at the moment, discharging the attachments to the outside through the sewage pump 41; the protective film 32 is gradually unfolded along with the movement of the machine body 1, the torch 333 heats one side of the protective film 32 close to the inner wall of the pipeline 8 in the unfolding process, and meanwhile, the shuttle roller 343 compresses the heated protective film 32 to adhere to the inner wall of the pipeline 8, so that film covering is realized.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (10)

1. The utility model provides a non-excavation formula pipeline maintenance all-in-one which characterized in that: comprises a machine body (1), a traveling mechanism (2) which is arranged on the machine body (1) and used for driving the machine body (1) to move in a pipeline (8), and a film coating mechanism (3), a sewage discharging mechanism (4), a brush mechanism (5), a cleaning mechanism (6) and a scraper mechanism (7) which are sequentially arranged along the advancing direction of the machine body (1) in the pipeline (8).
2. The trenchless pipeline maintenance all-in-one machine of claim 1, wherein: the machine body (1) is cylindrical; the two groups of walking mechanisms (2) are respectively arranged on the outer walls of the machine body (1) close to the two ends; the walking mechanism (2) comprises three supporting units (21) which are distributed along the radial direction of the machine body (1) and are in a circumferential distribution mode and walking parts which are respectively installed at one end, far away from the machine body (1), of each supporting unit (21).
3. The trenchless pipeline maintenance all-in-one machine of claim 2, wherein: the supporting unit (21) is an air cylinder, and a cylinder body of the supporting unit (21) is fixed on the machine body (1).
4. The trenchless pipeline maintenance all-in-one machine of claim 2, wherein: the walking part comprises a U-shaped support (22), a pair of rotating shafts (23) which are rotatably connected between two side plates (222) of the U-shaped support (22) and arranged side by side, and walking wheels (24) which are respectively and fixedly connected on the two rotating shafts (23), wherein the axis of each rotating shaft (23) is vertical to the axis of the machine body (1); and a power source for driving the traveling wheels (24) to rotate is arranged on the U-shaped support (22).
5. The trenchless pipeline maintenance all-in-one machine of claim 4, wherein: the power supply includes servo motor (25) of fixing in one of them curb plate (222) outside and install reduction gear (26) on curb plate (222) and with the hub connection of servo motor (25), the output shaft of reduction gear (26) passes curb plate (222) to inside and be located between two walking wheels (24) of U-shaped support (22), and the output shaft is located the rigid coupling on the body of rod of U-shaped support (22) inside and has pinion (27), two gear wheel (28) with pinion (27) looks meshing are fixed joint respectively on pivot (23).
6. The trenchless pipeline maintenance all-in-one machine of claim 1, wherein: a hollow cylindrical machine head (9) is arranged at one end of the machine body (1), a supporting shaft (91) which is connected with the machine head (1) into a whole and extends horizontally is fixedly connected between the machine body (1) and the machine head (9), a sleeve shaft (92) is rotatably connected to the outer part of the supporting shaft (91), a transmission shaft (93) which extends horizontally along the axial direction of the machine head (9) is rotatably connected to one end of the machine head (9) opposite to the supporting shaft (91), and the scraper mechanism (7) and the brush mechanism (5) are respectively arranged on the transmission shaft (93) and the sleeve shaft (92);
a driving mechanism which simultaneously drives the transmission shaft (93) and the sleeve shaft (92) to rotate is arranged in the machine head (9);
the driving mechanism comprises a double-shaft motor (94) arranged in the machine head (9), driving gears (97) respectively fixedly connected to two driving shafts of the double-shaft motor (94) extending out of the machine head (9) to the outside, and driven gears (98) respectively fixedly connected to a sleeve shaft (92) and a transmission shaft (93) and respectively meshed with the driving gears (97).
7. The trenchless pipeline maintenance all-in-one machine of claim 6, wherein: the scraper mechanism (7) comprises a first rotary table (71) fixedly connected to the transmission shaft (93), a plurality of first telescopic rods (72) which are distributed along the radial direction of the first rotary table (71) and are in a circumferential distribution, and a cutter head (73) which is arranged at one end, far away from the first rotary table (71), of the first telescopic rod (72).
8. The trenchless pipeline maintenance all-in-one machine of claim 7, wherein: the cutter head (73) is of an arc-shaped structure, and one side of the cutter head (73) close to the inner wall of the pipeline (8) is of a saw-toothed shape.
9. The trenchless pipeline maintenance all-in-one machine of claim 1, wherein: the brush mechanism (5) is fixedly connected with a second rotating disc (51) on the sleeve shaft (92), a plurality of second telescopic rods (52) which are distributed circumferentially along the radial direction of the second rotating disc (51), a U-shaped seat (53) which is fixedly connected with one end of the second telescopic rod (52) far away from the second rotating disc (51) and a brush (54) which is arranged in the U-shaped seat (53).
10. The trenchless pipeline maintenance all-in-one machine of claim 1, wherein: the cleaning mechanism (6) comprises an annular water pipe (61) sleeved outside the machine head (9), a supporting rod (62) fixedly connected between the outer wall of the machine head (9) and the annular water pipe (61) to support the annular water pipe (61), a universal spherical spray head (63) arranged on the annular water pipe (61) and facing one side of the tool bit (73), and a water supply pipe (64) connected to the annular water pipe (61), wherein the water supply pipe (64) sequentially penetrates through the machine head (9), the supporting shaft (91) and the machine body (1) to be arranged outwards;
the sewage discharge mechanism (4) comprises a sewage discharge pump (41) arranged in the machine body (1), a transition pipe (42) connected to the inlet of the sewage discharge pump (41) and with one end extending out of the machine body (1) downwards, a sewage discharge pipe (43) connected to the outlet of the sewage discharge pump (41) and a suction nozzle (44) connected to the transition pipe (42) in a flange mode; the suction nozzle (44) is flat, and an arc-shaped plate (45) matched with the inner wall of the pipeline (8) is integrally connected to the suction inlet of the suction nozzle;
a baffle matched with the inner wall of the pipeline (8) is arranged at the position, between the sewage discharge mechanism (4) and the film coating mechanism (3), of the machine body (1);
the baffle comprises a pair of semi-circular rings (11), the two semi-circular rings (11) form a closed loop when being clasped on the machine body (1), and two sides of the butt joint of the two semi-circular rings (11) are respectively and fixedly connected with lug plates (12) which can be connected through bolts;
the film laminating mechanism (3) is arranged between the two groups of travelling mechanisms (2), and the film laminating mechanism (3) comprises a baffle ring (31) fixedly connected on the machine body (1), a protective film (32) leaning against one side, away from the baffle, of the baffle ring (31) and stacked on the machine body (1), a heating assembly (33) installed on the machine body (1) between the baffle ring (31) and the baffle to heat the protective film (32), and a film pressing assembly (34) fixed on the machine body (1) to press the heated protective film (32) on the inner wall of the pipeline (8);
the heating assembly (33) comprises a plurality of quick connectors (331) which are arranged on the machine body (1) and distributed circumferentially, an air conveying pipe connected to one end, located inside the machine body (1), of the quick connectors (331), a rigid air injection pipe (332) connected to one end, located outside the machine body (1), of the quick connectors (331) and extending towards the unfolded protective film (32), and a blast lamp (333) arranged at the free end of the rigid air injection pipe (332), wherein the air conveying pipe is connected with an external air supply bottle;
the film pressing assembly (34) is arranged close to the traveling mechanism (2) at the rear end, and the film pressing assembly (34) comprises a plurality of air supporting rods (341) which are distributed along the radial direction of the machine body (1) and are in the circumferential direction, a U-shaped support (342) which is fixedly connected with one end, far away from the machine body (1), of the air supporting rods (341) and a shuttle-shaped roller (343) which is rotatably connected onto the U-shaped support (342).
CN202011103316.5A 2020-10-15 2020-10-15 Non-excavation formula pipeline maintenance all-in-one Pending CN112361120A (en)

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CN113020150A (en) * 2021-03-22 2021-06-25 孙庆生 Pipeline inner wall mediation cleaning device for pipeline
CN113305114A (en) * 2021-05-28 2021-08-27 浙江省第一水电建设集团股份有限公司 Water conservancy construction pipeline pull throughs
CN113464769A (en) * 2021-07-06 2021-10-01 刘春艳 A modular clearance repairing machine for exhaust emission pipeline
CN113669549A (en) * 2021-09-07 2021-11-19 湖南优菲科技有限公司 Complete equipment and method for hot-melting repair of inner wall of underground pipeline
CN113685657A (en) * 2021-07-15 2021-11-23 浙江易腾环境科技有限公司 Pipeline inspection robot
CN115031085A (en) * 2022-05-30 2022-09-09 安徽省皖能新奥天然气有限公司 Underground pipe network protection system with early warning and damage prevention functions
CN115199857A (en) * 2022-06-28 2022-10-18 浙江城露环境科技有限公司 Ultraviolet curing repair system for urban sewage pipe network
CN117161017A (en) * 2023-11-03 2023-12-05 江苏博颂能源科技有限公司 Dredging device of catalytic cracking device regenerator
CN117655012A (en) * 2024-02-01 2024-03-08 潍坊威特尔管业有限公司 Remote liquid supply pipeline cleaning device and method thereof

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CN113020150A (en) * 2021-03-22 2021-06-25 孙庆生 Pipeline inner wall mediation cleaning device for pipeline
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CN113464769A (en) * 2021-07-06 2021-10-01 刘春艳 A modular clearance repairing machine for exhaust emission pipeline
CN113685657A (en) * 2021-07-15 2021-11-23 浙江易腾环境科技有限公司 Pipeline inspection robot
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CN117161017A (en) * 2023-11-03 2023-12-05 江苏博颂能源科技有限公司 Dredging device of catalytic cracking device regenerator
CN117161017B (en) * 2023-11-03 2024-02-09 江苏博颂能源科技有限公司 Dredging device of catalytic cracking device regenerator
CN117655012A (en) * 2024-02-01 2024-03-08 潍坊威特尔管业有限公司 Remote liquid supply pipeline cleaning device and method thereof
CN117655012B (en) * 2024-02-01 2024-04-19 潍坊威特尔管业有限公司 Remote liquid supply pipeline cleaning device and method thereof

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Application publication date: 20210212