CN110624906B - Pipeline cleaning and drying device - Google Patents
Pipeline cleaning and drying device Download PDFInfo
- Publication number
- CN110624906B CN110624906B CN201910933025.XA CN201910933025A CN110624906B CN 110624906 B CN110624906 B CN 110624906B CN 201910933025 A CN201910933025 A CN 201910933025A CN 110624906 B CN110624906 B CN 110624906B
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- Prior art keywords
- wall
- barrel
- cylinder
- outer barrel
- left end
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—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
- B08B9/0495—Nozzles propelled by fluid jets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—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
- B08B9/0495—Nozzles propelled by fluid jets
- B08B9/0497—Nozzles propelled by fluid jets provided with additional mechanical cleaning tools
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to the technical field of pipeline engineering, and discloses a pipeline cleaning and drying device, which comprises a left outer barrel, a right outer barrel and an inner barrel arranged between the left outer barrel and the right outer barrel, wherein the inner barrel can rotate relative to the left outer barrel and the right outer barrel, a flow inlet pipe is arranged in the left outer barrel and is communicated with the inner barrel, the outer walls of the left outer barrel and the right outer barrel are respectively provided with a travelling mechanism, the outer wall of the inner barrel is provided with a cleaning component used for cleaning the inner wall of a pipeline, the outer wall of the inner barrel is circumferentially provided with at least one first spray head, a cleaning or drying medium is introduced into the inner barrel from the flow inlet pipe and is sprayed out from the first spray heads, an included angle is formed between the central axis of the first spray head and the diameter of the inner barrel, and an included angle is formed between the central axis of the inner barrel, so that the cleaning or drying medium sprayed out from the first spray head has circumferential and axial thrust on the inner barrel, thereby driving the inner barrel to rotate, the driving device moves along the axial direction of the pipeline, the cleaning or drying effect is good, and the using amount of the medium is saved.
Description
Technical Field
The invention relates to the technical field of pipeline engineering, in particular to a pipeline cleaning and drying device.
Background
The industrial pipeline is usually subjected to pressure testing in the construction process, and is usually cleaned and dried after the pressure testing is finished, and the pipeline can be put into use only when the cleaning and drying of the pipeline meet the requirements specified by the specifications or standards. The tubing is also typically cleaned after a period of use. The conventional industrial pipeline cleaning and drying mode is to continuously introduce cleaning and drying media into the pipeline, wherein the common cleaning media are clean water, and the common drying media are compressed air. The cleaning mode consumes a large amount of cleaning and drying media, and particularly the problems of low cleaning efficiency, high labor intensity, poor cleaning effect, large resource waste and the like exist in the cleaning and drying construction of pipelines with medium and large pipe diameters all the time.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a pipeline cleaning and drying device which is high in cleaning efficiency and saves resources.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a pipeline cleaning and drying device, includes the outer barrel in a left side, the outer barrel in the right side and locates the outer barrel in a left side and the outer barrel in the right side between the outer barrel in a left side, interior barrel can rotate with the outer barrel in the right side outer barrel in a relative left side, be equipped with into flow tube in the outer barrel in a left side, it communicates with interior barrel to advance flow tube, the outer wall of the outer barrel in a left side and the right side outer barrel all is equipped with advancing mechanism, the outer wall of interior barrel is equipped with the washing subassembly, the outer wall of interior barrel is equipped with at least one first shower nozzle along circumference, the center pin of first shower nozzle forms the contained angle with the diameter of interior barrel, and the center pin of first shower nozzle forms the contained angle with the center pin of interior barrel.
As an improvement of the technical scheme, a reversing cylinder is arranged in the inner cylinder body, the left end of the reversing cylinder is communicated with the inner part of the inner cylinder body, the left end of the reversing cylinder is connected with the left end of the inner cylinder body through a third reset spring, a sealing check ring is arranged at the left end of the outer wall of the reversing cylinder, a first sealing shoulder is correspondingly arranged at the left part of the inner wall of the inner cylinder body, a dividing ring is arranged at the middle part of the outer wall of the reversing cylinder body, a cavity dividing check ring is arranged at the middle part of the inner wall of the inner cylinder body, the cavity dividing check ring divides the inner part of the inner cylinder body into a left cavity and a right cavity, the first spray head is arranged on the outer wall of the left cavity, at least one second spray head is arranged on the outer wall of the right cavity along the circumferential direction, a second sealing shoulder is arranged at the right end of the inner wall of the inner cylinder body, a through hole is arranged on the right side of the dividing ring, and an accommodating cavity is also arranged at the right end of the inner cylinder body, the right end of the right outer cylinder body is provided with a reversing mechanism, and the reversing mechanism can drive the reversing cylinder to move rightwards.
As the improvement of the technical scheme, an included angle is formed between the central shaft of the second spray head and the diameter of the inner cylinder, an included angle is formed between the central shaft of the second spray head and the central shaft of the inner cylinder, and outlets of the first spray head and the second spray head face to the left and the right respectively.
As an improvement of the technical scheme, the reversing mechanism comprises a first electromagnet and a second electromagnet which are arranged at the right end of the right outer barrel, and a first locking assembly and a second locking assembly which are arranged on the inner wall of the right outer barrel, the first electromagnet can attract the inner barrel to move rightwards, the output end of the first locking assembly can be driven to avoid the right end of the inner barrel, and the output end of the second electromagnet can be driven to avoid the right end of the inner barrel.
As an improvement of the technical scheme, a cylinder hole is formed in the center of the right wall of the accommodating cavity, the right end of the reversing cylinder extends out of the cylinder hole, and the first electromagnet is vertically arranged in the middle of the right end of the right outer cylinder.
As the improvement of above-mentioned technical scheme, the side of first electro-magnet is located to the second electro-magnet, the right-hand member of a switching-over section of thick bamboo is equipped with the locking head, the locking head is connected with a switching-over section of thick bamboo through first bearing, the right-hand member of locking head can the butt or dodge by the output of first locking Assembly, the left end of locking head can the butt or dodge by the output of second locking Assembly.
As an improvement of the above technical scheme, the first locking component comprises a first pull rod arranged on the upper side or the lower side of the inner wall of the right outer cylinder and a first support rod hinged to the inner wall of the right outer cylinder in the middle, the first pull rod can move left and right, the left end of the first pull rod is hinged to the right end of the first support rod through a first connecting rod, and the left end of the first support rod is connected with the right outer cylinder through a first return spring.
As an improvement of the technical scheme, the second locking assembly comprises a second pull rod arranged on the front side or the rear side of the inner wall of the right outer cylinder and a second support rod hinged to the inner wall of the right outer cylinder in the middle, the second pull rod can move left and right, the left end of the second pull rod is hinged to the left end of the second support rod through a second connecting rod, and the right end of the second support rod is connected with the right outer cylinder through a second reset spring.
As an improvement of the above technical solution, a first position sensor is disposed at a left end of the left outer cylinder, the first position sensor is connected to an analog input end of a first controller, an analog output end of the first controller is connected to a coil of a first relay to supply power to the coil of the first relay, a movable contact of the first relay is connected to a first power supply loop, a coil of the first electromagnet is connected to the first power supply loop, and a storage battery is further connected to the first power supply loop.
As an improvement of the above technical scheme, a second position sensor is arranged at the right end of the right outer cylinder body, the second position sensor is connected with an analog input end of a second controller, an analog output end of the second controller is connected with a coil of a second relay to supply power to the coil of the second relay, a movable contact of the second relay is connected in a second power supply loop, and the coil of the second electromagnet and the storage battery are both connected in the second power supply loop.
The invention has the following beneficial effects:
when the pipeline cleaning and drying device is used, a cleaning or drying medium is introduced into the inner cylinder from the inflow pipe and is sprayed out from the first spray head, and because the central shaft of the first spray head forms an included angle with the diameter of the inner cylinder, when the cleaning or drying medium is sprayed out from the first spray head, circumferential thrust is exerted on the inner cylinder, so that the inner cylinder is driven to rotate relative to the left outer cylinder and the right outer cylinder, and because the central shaft of the first spray head forms an included angle with the central shaft of the inner cylinder, the sprayed cleaning or drying medium simultaneously exerts axial thrust on the device, the advancing mechanism is driven to drive the whole device to move along the axial direction of the pipeline, so that the cleaning or drying medium is sprayed out from the first spray head in a high-pressure trickle mode, and the high-pressure trickle moves along the axial direction of the pipeline while rotating along with the inner cylinder, the inner wall of the pipeline is covered by the medium, and the cleaning or drying effect is good, the medium consumption can be greatly saved, and the high-pressure trickle impacts the inner wall of the pipeline at a certain angle, so that the pipeline is cleaned or dried more thoroughly; the device can move automatically, and the position of the device does not need to be moved manually, so that the labor intensity is low; the cleaning assembly on the inner cylinder body moves along with the rotation of the inner cylinder body, so that the inner wall of the pipeline is scrubbed, and the inner wall of the pipeline is cleaned more cleanly by double cleaning means.
Drawings
The invention is further described with reference to the following detailed description of embodiments and drawings, in which:
FIG. 1 is an external structural view of an embodiment of the present invention;
FIG. 2 is a schematic vertical sectional view of the reversing cylinder in the left extreme position in an embodiment of the invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic horizontal section view of the reversing cylinder at the right extreme position in the embodiment of the invention.
Detailed Description
Referring to fig. 1, the pipeline cleaning and drying device of the present invention includes a left outer cylinder 1, a right outer cylinder 2, and an inner cylinder 3 disposed between the left outer cylinder 1 and the right outer cylinder 2, where the left outer cylinder 1, the right outer cylinder 2, and the inner cylinder 3 are all cylindrical, the inner cylinder 3 can rotate relative to the left outer cylinder 1 and the right outer cylinder 2, the inner cylinder 3 is installed in the left outer cylinder 1 and the right outer cylinder 2 through a second bearing 13, the second bearing 13 is a thrust bearing, specifically, a first bearing shoulder 12 is disposed in each of the left outer cylinder 1 and the right outer cylinder 2, a second bearing shoulder 310 is disposed at each of left and right ends of the inner cylinder 3, and the second bearing 13 is installed between the first bearing shoulder 12 and the second bearing shoulder 310.
Further, be equipped with into flow tube 11 in the outer barrel 1 of a left side, into flow tube 11 and interior barrel 3 intercommunication, into flow tube 11 and run through outer barrel 1 of a left side about, the left end of interior barrel 3 has seted up the through-hole, and into flow tube 11 inserts the through-hole, is equipped with sealing washer 14 between the outer wall of into flow tube 11 and the lateral wall of through-hole, and into flow tube 11 and the left end sealing connection of interior barrel 3 avoid wasing or dry medium reveal. The left end of the left outer cylinder body 1 is connected with a left end cover 15 through a bolt, a first position sensor 16 is arranged at the left end of the left end cover 15, the first position sensor 16 can sense a pipeline, the inflow pipe 11 extends out of the left end cover 15, and a nut 19 is sleeved at the left end of the inflow pipe 11.
Referring to fig. 2, the outer wall of the left outer cylinder 1 is provided with four advancing mechanisms 4 along the circumferential direction, and the outer wall of the right outer cylinder 2 is provided with four advancing mechanisms 4 along the circumferential direction. The advancing mechanism 4 includes that one end articulates in foot pole 41 and the connecting rod 42 of the outer wall of barrel 1 or the outer barrel 2 in the right side outside the left side, and the outer wall of barrel 1 and the outer barrel 2 in the right side all is equipped with outer otic placode 17 in the left side, and foot pole 41 and connecting rod 42 all connect on the different outer otic placodes 17 on the outer barrel 1 in the left side through axis of rotation 18 one right side, perhaps foot pole 41 and connecting rod 42 all connect on the different outer otic placodes 17 on the outer barrel 2 in the right side through axis of rotation 18 one left side right side.
Specifically, be equipped with third bar-shaped groove 411 on foot lever 41, the other end of connecting rod 42 articulates there is the slider, the slider is installed in third bar-shaped groove 411 with sliding, the other end of foot lever 41 articulates there is gyro wheel frame 43, be equipped with gyro wheel shaft 431 on gyro wheel frame 43, gyro wheel 44 is installed on gyro wheel shaft 431 through third bearing 432, and third bearing 432 is deep groove ball bearing, the middle part of gyro wheel frame 43 is connected through fourth spring 45 with foot lever 41, and fourth spring 45 is the pressure spring. The position of the adjusting slide block in the third strip-shaped groove 411 can change the opening degree of the foot rod 41, namely, the distance from the center of the roller 44 to the center shaft of the left outer cylinder 1 or the right outer cylinder 2 is changed, so that the use requirements of pipelines with different pipe diameters are met, the fourth spring 45 has outward thrust to the roller frame 43, the roller 44 is ensured to be in contact with the inner wall of the pipeline, and the instability of the device is avoided.
Further refer to fig. 3, the outer wall of interior barrel 3 is equipped with eight washing subassemblies 5, and every four washing subassemblies 5 evenly set up along circumference, wash subassembly 5 including locate the first bar shaped plate 37 of interior barrel 3 outer wall and locate the second bar shaped plate 38 of first bar shaped plate 37, be equipped with first bar shaped groove 371 on the first bar shaped plate 37, the one end of second bar shaped plate 38 is equipped with second bar shaped groove 381, first bar shaped plate 37 and second bar shaped plate 38 pass through the mode that first bar shaped groove 371 and second bar shaped groove 381 were connected to the bolt, the other end of second bar shaped plate 38 is equipped with brush 39. The length directions of the first strip-shaped groove 371 and the second strip-shaped groove 381 are perpendicular to the central axis of the inner cylinder body 3, so that the distance of the extension of the brush 39 can be adjusted by adjusting the positions of the bolts in the first strip-shaped groove 371 and the second strip-shaped groove 381, and the cleaning and drying device is suitable for cleaning pipelines with different inner diameters.
Furthermore, the inner cylinder 3 is divided into a left inner cylinder 311 and a right inner cylinder 312, the connecting ends of the left inner cylinder 311 and the right inner cylinder 312 are both provided with an outer ear plate 17, the left inner cylinder 311 and the right inner cylinder 312 are connected by means of fixing the outer ear plate 17 of the connecting ends by bolts, the flow inlet pipe 11 is hermetically connected with the left inner cylinder 311, the right end surface of the left inner cylinder 311 and the left end surface of the right inner cylinder 312 are both provided with inner annular grooves, the chamber division check ring 33 is clamped in the two inner annular grooves, the left and right end surfaces of the chamber division check ring 33 are both provided with sealing rings, the chamber division check ring 33 divides the interior of the inner cylinder 3 into a left chamber 7 and a right chamber 8, the outer wall of the left chamber 7 is circumferentially provided with four first nozzles 31, the central axis of the first nozzle 31 and the diameter of the inner cylinder 3 form an included angle larger than 0 degree and smaller than 180 degrees, here, the diameter of the inner cylinder 3 is the diameter of the connecting part of the first nozzle 31 and the inner cylinder 3, and the central axis of the first nozzle 31 and the central axis of the inner cylinder 3 form an included angle larger than 0 degree and smaller than 90 degrees, and the outlet of the first nozzle 31 faces the left direction. When the outlets of the four first nozzles 31 are all oriented clockwise when viewed from the left end, and the first nozzles 31 spray cleaning or drying media outwards, the cleaning or drying media give the inner cylinder 3 a thrust of anticlockwise rotation and give the device a thrust of right direction.
Similarly, the outer wall of the right chamber 8 is circumferentially provided with four second nozzles 36, the central axis of the second nozzle 36 and the diameter of the inner cylinder 3 form an included angle greater than 0 degree and smaller than 180 degrees, the diameter of the inner cylinder 3 is the diameter of the connection part of the second nozzle 36 and the inner cylinder 3, the central axis of the second nozzle 36 and the central axis of the inner cylinder 3 form an included angle greater than 0 degree and smaller than 90 degrees, and the outlet of the second nozzle 36 faces the right direction. When the outlets of the four second spray heads 36 are all oriented in the counterclockwise direction as viewed from the left end, and the cleaning or drying medium applies a clockwise rotating thrust to the inner cylinder 3 and applies a leftward thrust to the device when the second spray heads 36 spray the cleaning or drying medium outward.
Specifically, a reversing cylinder 6 is arranged inside the inner cylinder 3, the left end of the reversing cylinder 6 is communicated with the inside of the inner cylinder 3, the left end of the reversing cylinder 6 is connected with the left end of the left inner cylinder 311 through a third return spring 9, the third return spring 9 is a tension spring, a sealing check ring 61 is arranged at the left end of the outer wall of the reversing cylinder 6, the sealing check ring 61 is connected to the reversing cylinder 6 through threads, a first sealing shoulder 32 is correspondingly arranged in the middle of the inner wall of the left inner cylinder 311, and a sealing ring is arranged on the right end face of the first sealing shoulder 32; a dividing ring 62 is arranged in the middle of the outer wall of the reversing cylinder 6; when the left end surface of the seal retainer 61 abuts the right end surface of the first seal land 32, the left end surface of the partition ring 62 abuts the right end surface of the chamber partition retainer 33.
Moreover, a second sealing shoulder 34 is arranged in the middle of the inner wall of the right inner cylinder 312, and a sealing ring is arranged on the left end face of the second sealing shoulder 34; the reversing cylinder 6 is uniformly provided with six through holes 63 along the circumferential direction, the through holes 63 are positioned on the right side of the dividing ring 62, and the right end inside the right inner cylinder 312 is also provided with an accommodating cavity 35; the right end of the right outer cylinder body 2 is provided with a reversing mechanism, and the reversing mechanism can drive the reversing cylinder 6 to move rightwards. When the right end face of the split ring 62 abuts the left end face of the second seal land 34, the right end face of the seal retainer 61 abuts the left end face of the chamber split retainer 33, and the six through-flow holes 63 are all located in the housing cavity 35.
When the device is used, if the device enters from the left end of the pipeline, the reversing mechanism is started firstly, the reversing mechanism drives the reversing cylinder 6 to move rightwards until the right end face of the dividing ring 62 abuts against the left end face of the second sealing shoulder 34, the right end of the right chamber 8 is sealed by the sealing ring between the dividing ring 62 and the second sealing shoulder 34, namely, the through flow hole 63 is sealed in the accommodating cavity 35, the medium flowing into the accommodating cavity 35 from the through flow hole 63 cannot enter the right chamber 8 through the gap between the dividing ring 62 and the second sealing shoulder 34, and the right end face of the sealing check ring 61 abuts against the left end face of the chamber dividing check ring 33 at the moment, the left end of the right chamber 8 is sealed by the sealing ring between the sealing check ring 61 and the chamber dividing check ring 33, so that the cleaning or drying medium introduced into the inner cylinder body 3 from the inflow pipe 11 cannot enter the right chamber 8 through the gap between the sealing check ring 61 and the chamber dividing check ring 33 after entering the left chamber 7 and the reversing cylinder 6, the cleaning or drying medium is only sprayed out from the first nozzle 31 of the left chamber 7, and the cleaning or drying medium applies a counterclockwise rotating thrust to the inner cylinder 3 and a rightward thrust to the device, so that the cleaning or drying medium and the brush 39 rotate counterclockwise and clean or dry the inner wall of the duct rightward along with the inner cylinder 3.
Then, after the device is moved to the right end of the pipeline, the reversing mechanism releases the reversing cylinder 6, the reversing cylinder 6 moves leftwards under the pulling force of the third return spring 9 until the left end surface of the sealing retainer ring 61 abuts against the right end surface of the first sealing shoulder 32, at this time, the left end surface of the dividing ring 62 abuts against the right end surface of the chamber dividing retainer ring 33, the left end of the left chamber 7 is sealed by the sealing ring between the sealing retainer ring 61 and the first sealing shoulder 32, the right end of the left chamber 7 is sealed by the sealing ring between the dividing ring 62 and the chamber dividing retainer ring 33, the through-flow hole 63 is positioned in the right chamber 8, then the cleaning or drying medium introduced into the inner cylinder 3 from the inflow pipe 11 cannot enter the left chamber 7, and only enters the right chamber 8 through the through-flow hole 63 of the reversing cylinder 6, the cleaning or drying medium can only be sprayed outwards from the second spray nozzle 36, at this time, the cleaning or drying medium applies a clockwise rotating pushing force to the inner cylinder 3, and a leftward pushing force is given to the device, so that the cleaning or drying medium and the brush 39 rotate clockwise along with the inner cylinder 3, and clean or dry the inner wall of the pipeline leftward, and perform cleaning again on the inner wall of the pipeline.
Referring to fig. 2 and 4 again, a right end cover 25 is arranged at the right end of the right outer cylinder 2, a second position sensor 26 and a storage battery 27 are arranged on the outer wall of the right end cover 25, the second position sensor 26 can sense a pipeline, and the storage battery 27 supplies power to the first electromagnet 21 and the two second electromagnets 22.
Moreover, a first position sensor 16 is arranged at the left end of the left outer cylinder 1, the first position sensor 16 is connected with an analog input end of a first controller, an analog output end of the first controller is connected with a coil of a first relay to supply power to the coil of the first relay, a movable contact of the first relay is connected in a first power supply loop, a coil of the first electromagnet 21 is connected in the first power supply loop, and a storage battery 27 and a starting button are further connected in the first power supply loop. The first controller comprises a control chip, an analog-to-digital converter and a digital-to-analog converter, the analog-to-digital converter and the digital-to-analog converter are connected with the control chip, the first position sensor 16 is connected with the analog-to-digital converter of the first controller, and a coil of the first relay is connected with the digital-to-analog converter of the first controller.
Similarly, a second position sensor 26 is arranged at the right end of the right outer cylinder 2, the second position sensor 26 is connected with an analog input end of a second controller, an analog output end of the second controller is connected with a coil of a second relay to supply power to the coil of the second relay, a movable contact of the second relay is connected in a second power supply loop, a coil of the second electromagnet 22 is connected in the second power supply loop, and the storage battery 27 is connected in the second power supply loop. The second controller comprises a control chip, an analog-digital converter and a digital-analog converter, the analog-digital converter and the digital-analog converter are connected with the control chip, the second position sensor 26 is connected with the analog-digital converter of the second controller, and a coil of the second relay is connected with the digital-analog converter of the second controller.
Specifically, the reversing mechanism comprises a first electromagnet 21 and two second electromagnets 22 which are arranged on the inner wall of the right end cover 25, the first electromagnet 21 is a drum-shaped or rectangular electromagnet, the first electromagnet 21 is vertically arranged in the middle of the inner wall of the right end cover 25, the second electromagnets 22 are bow-shaped or rectangular electromagnets, and the two second electromagnets 22 are positioned on the front side and the rear side of the first electromagnet 21. A cylinder hole is formed in the center of the right wall of the accommodating cavity 35, a guide cylinder 66 is arranged at the right end of the reversing cylinder 6, and the guide cylinder 66 extends out of the cylinder hole. The guide cylinder 66 is made of steel. Therefore, when the first electromagnet 21 is energized, the first electromagnet 21 has a suction force on the right end of the guide cylinder 66, and the reversing cylinder 6 moves rightward under the suction force.
Moreover, the right-hand member of guide cylinder 66 is equipped with locking head 64, and locking head 64 is passed to the right-hand member of guide cylinder 66, locking head 64 is connected with guide cylinder 66 through first bearing 65, and locking head 64 is controlled both ends and is equipped with left chamfer and right chamfer along the circumference respectively, and reversing mechanism still is including locating two first locking components 23 of upside and the downside of the outer barrel 2 inner wall in the right side, the output of first locking component 23 can the butt or dodge locking head 64's right chamfer.
Specifically, the first locking assembly 23 includes a first pull rod 231 disposed on the upper side or the lower side of the inner wall of the right outer cylinder 2 and a first support rod 232 hinged to the right outer cylinder 2 at the middle portion, the first pull rod 231 is made of steel, inner ear plates 28 are disposed on the upper side and the lower side of the inner wall of the right outer cylinder 2, through holes penetrating left and right are disposed on the inner ear plates 28, the first pull rod 231 is inserted into the through holes, a first cap 235 is disposed at the right end of the first pull rod 231, the diameter of the first cap 235 is greater than that of the through holes, the first pull rod 231 can move left and right in the through holes, the left end of the first pull rod 231 is hinged to the right end of the first support rod 232 through a first connecting rod 233, the left end of the first support rod 232 is connected to the right outer cylinder 2 through a first return spring 234, the first return spring 234 is a compression spring, and the first return spring 234 is used to enable the first support rod 232 to escape from the locking head 64 and then rebound rapidly, to subsequently bear against the locking head 64. Without the first return spring 234, the first stay 232 may not return to its operating position and fail to lock the locking head 64.
When the reversing cylinder 6 is located at the left limit position, the left end of the first support rod 232 abuts against the right chamfer of the locking head 64, and at this time, if the reversing cylinder 6 has a tendency of moving rightward, the left end of the first support rod 232 is pushed rightward by the locking head 64 and tends to move rightward, so that the right end of the first support rod 232 pulls the first connecting rod 233 and the first pull rod 231 to move leftward, but the first cap 235 on the first pull rod 231 limits the leftward movement of the first pull rod 231, so that the left end of the first support rod 232 cannot move rightward, and the reversing cylinder 6 cannot move rightward, so that the reversing cylinder 6 is locked, and the reversing cylinder 6 is prevented from moving rightward; when the first electromagnet 21 is powered on and the second electromagnet 22 is not powered on, the first electromagnet 21 has suction to the right end of the first pull rod 231 to drive the first pull rod 231 to move rightwards, the first pull rod 231 drives the first support rod 232 to rotate through the first connecting rod 233, the left end of the first support rod 232 on the upper side of the inner wall of the right outer cylinder 2 rotates upwards, the left end of the first support rod 232 on the lower side of the inner wall of the right outer cylinder 2 rotates downwards, and the left end of the first support rod 232 is separated from and avoids the locking head 64, so that the reversing cylinder 6 moves rightwards under the suction of the first electromagnet 21.
Further, the reversing mechanism further comprises a second locking assembly 24 arranged on the front side or the rear side of the inner wall of the right outer cylinder body 2, and the output end of the second locking assembly 24 can abut against or avoid a left chamfer of the locking head 64.
Specifically, the second locking assembly 24 includes a second pull rod 241 disposed at the front side or the rear side of the inner wall of the right outer cylinder 2 and a second stay 242 whose middle portion is hinged to the right outer cylinder 2, the second pull rod 241 is made of steel, the front side and the rear side of the inner wall of the right outer cylinder 2 are both provided with inner ear plates 28, the inner ear plates 28 are provided with through holes penetrating left and right, the second pull rod 241 is inserted into the through holes, the right end of the second pull rod 241 is provided with a second cap 245, the diameter of the second cap 245 is larger than that of the through holes, the second pull rod 241 can move left and right, the left end of the second pull rod 241 is hinged to the left end of the second stay 242 through a second connecting rod 243, the right end of the second stay 242 is connected to the right outer cylinder 2 through a second return spring 244, the second return spring 244 is a compression spring, and the second return spring 244 has a function of making the second stay 242 rebound rapidly after escaping from the locking head 64, to subsequently bear against the locking head 64. Without the second return spring 244, the second stay 242 may not return to its operative position and fail to lock the locking head 64.
When the reversing cylinder 6 is located at the right limit position, the right end of the second support rod 242 abuts against the left chamfer of the locking head 64, and the reversing cylinder 6 is locked by the right end of the second support rod 242 according to the principle of the first locking assembly 23, so that the reversing cylinder 6 is prevented from moving leftwards; when the second electromagnet 22 is energized, the first electromagnet 21 is not energized, the second electromagnet 22 has suction force on the right end of the second pull rod 241, so that the second pull rod 241 is driven to move rightwards, the second pull rod 241 drives the second support rod 242 to rotate through the second connecting rod 243, the right end of the second support rod 242 on the front side of the inner wall of the right outer cylinder 2 rotates forwards, the right end of the second support rod 242 on the rear side of the inner wall of the right outer cylinder 2 rotates backwards, and the right end of the second support rod 242 is separated from the locking head 64 and is avoided, so that the reversing cylinder 6 moves leftwards under the pulling force of the third return spring 9.
Referring again to fig. 2, when the device is in the initial state, the reversing cylinder 6 is located at the left extreme position, and the left end of the first stay 232 abuts against the right chamfer of the locking head 64. The device is placed at the left port of the pipeline, the starting button is pressed to electrify the first electromagnet 21, the first pull rod 231 drives the left end of the first stay bar 232 to be separated and avoid the locking head 64 under the suction force of the first electromagnet 21, and meanwhile, the reversing cylinder 6 moves rightwards under the suction force of the first electromagnet 21; when the reversing cylinder 6 reaches the right limit position, under the action of the elastic force of the second return spring 244, the right end of the second support rod 242 abuts against the left chamfer of the locking head 64 to lock the reversing cylinder 6, at the moment, the right chamber 8 is closed, cleaning or drying media can only be sprayed out through the first spray head 31 on the left chamber 7 to generate axial thrust and circumferential thrust, the driving device moves to the right of the pipeline, and the cleaning or drying media and the brush 39 clean or dry the inner wall of the pipeline while rotating.
Referring to fig. 4 again, when the device completely enters the pipeline, the first position sensor 16 at the left end of the left outer cylinder 1 enters the pipeline, the first position sensor 16 senses the pipeline, the first position sensor 16 transmits a signal to the first controller, the first controller supplies power to the coil of the first relay, the movable contact of the first relay is actuated to disconnect the first power supply loop, the first electromagnet 21 is powered off, and the reversing cylinder 6 continues to keep the current state under the action of the second support rod 242.
Then, when the device moves to the right port of the pipeline, the second position sensor 26 at the right end of the right outer cylinder 2 extends out of the pipeline, the second position sensor 26 cannot sense the pipeline, the second position sensor 26 transmits a signal to a second controller, the second controller supplies power to a coil of a second relay, a movable contact of the second relay is actuated to conduct a second power supply loop, the second electromagnet 22 is powered on, the second pull rod 241 drives the right end of the second support rod 242 to be separated and avoid the locking head 64 under the suction force of the second electromagnet 22, and meanwhile, the reversing cylinder 6 moves leftwards under the tension force of the third return spring 9; when the reversing cylinder 6 reaches the left limit position, under the action of the elastic force of the first return spring 234, the left end of the first support rod 232 abuts against the right chamfer of the locking head 64 to lock the reversing cylinder 6, at the moment, the left chamber 7 is closed, cleaning or drying media can only be sprayed out through the second spray nozzle 36 on the right chamber 8 to generate axial thrust and circumferential thrust, the driving device moves to the left to perform reversing, and the cleaning or drying media and the brush 39 clean or dry the inner wall of the pipeline while rotating.
When the device completely enters a pipeline, the second position sensor 26 at the right end of the right outer cylinder 2 enters the pipeline, the second position sensor 26 senses the pipeline, the second position sensor 26 transmits a signal to the second controller, the second controller powers off a coil of the second relay, a movable contact of the second relay resets, a second power supply loop is disconnected, the second electromagnet 22 is powered off, and the reversing cylinder 6 continues to keep the current state under the action of the first support rod 232.
When the device moves to the left port of the pipeline, the first position sensor 16 at the left end of the left outer barrel 1 extends out of the pipeline, the first position sensor 16 cannot sense the pipeline, the first position sensor 16 transmits a signal to the first controller, the first controller cuts off the power of the coil of the first relay, the movable contact of the first relay is reset, the first power supply loop is switched on, the first electromagnet 21 is electrified, the first pull rod 231 drives the right end of the first support rod 232 to be separated and avoid the locking head 64 under the suction force of the first electromagnet 21, and meanwhile, the reversing barrel 6 moves rightwards under the suction force of the first electromagnet 21; when the reversing cylinder 6 reaches the right limit position, under the action of the elastic force of the second return spring 244, the right end of the second support rod 242 abuts against the left chamfer of the locking head 64 to lock the reversing cylinder 6, at the moment, the right chamber 8 is closed, cleaning or drying media can only be sprayed out through the first spray head 31 on the left chamber 7 to generate axial thrust and circumferential thrust, and the driving device moves to the right to perform reversing.
When the device is fully inserted into the pipeline, the first electromagnet 21 is de-energized, and the reciprocating cycle is operated. The cleaning or drying medium is sprayed out from the first spray head 31 or the second spray head 36 in a high-pressure trickle mode, the spraying is carried out while the medium is moved, the inner wall of the pipeline is covered by the medium widely, the using amount of the medium can be greatly saved, and the high-pressure trickle impacts the inner wall of the pipeline at a certain angle, so that the cleaning is more thorough.
The above description is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and the present invention shall fall within the protection scope of the present invention as long as the technical effects of the present invention are achieved by any similar or identical means.
Claims (8)
1. The utility model provides a pipeline cleaning and drying device which characterized in that: the cleaning device comprises a left outer barrel body (1), a right outer barrel body (2) and an inner barrel body (3) arranged between the left outer barrel body (1) and the right outer barrel body (2), wherein the inner barrel body (3) can rotate relative to the left outer barrel body (1) and the right outer barrel body (2), a flow inlet pipe (11) is arranged in the left outer barrel body (1), the flow inlet pipe (11) is communicated with the inner barrel body (3), the outer walls of the left outer barrel body (1) and the right outer barrel body (2) are respectively provided with a traveling mechanism (4), the outer wall of the inner barrel body (3) is provided with a cleaning assembly (5), the outer wall of the inner barrel body (3) is provided with at least one first spray nozzle (31) along the circumferential direction, the central axis of the first spray nozzle (31) forms an included angle with the diameter of the inner barrel body (3), and the central axis of the first spray nozzle (31) forms an included angle with;
the inner part of the inner barrel body (3) is provided with a reversing barrel (6), the left end of the reversing barrel (6) is communicated with the inner part of the inner barrel body (3), the left end of the reversing barrel (6) is connected with the left end of the inner barrel body (3) through a third reset spring (9), the left end of the outer wall of the reversing barrel (6) is provided with a sealing check ring (61), the left part of the inner wall of the inner barrel body (3) is correspondingly provided with a first sealing shoulder (32), the middle part of the outer wall of the reversing barrel (6) is provided with a dividing ring (62), the middle part of the inner wall of the inner barrel body (3) is provided with a cavity dividing check ring (33), the cavity dividing check ring (33) divides the inner part of the inner barrel body (3) into a left cavity (7) and a right cavity (8), the first spray nozzle (31) is arranged on the outer wall of the left cavity (7), and the outer wall of the right cavity (8) is provided with at least one second spray nozzle (36) along the circumferential direction, the center shaft of the second spray head (36) and the diameter of the inner cylinder body (3) form an included angle, the center shaft of the second spray head (36) and the center shaft of the inner cylinder body (3) form an included angle, outlets of the first spray head (31) and the second spray head (36) face the left side and the right side respectively, a second sealing shoulder (34) is arranged at the right end of the inner wall of the inner cylinder body (3), a through hole (63) is formed in the reversing cylinder (6), the through hole (63) is located on the right side of the dividing ring (62), an accommodating cavity (35) is further arranged at the right end of the inner part of the inner cylinder body (3), a reversing mechanism is arranged at the right end of the right outer cylinder body (2), and the reversing mechanism can drive the reversing cylinder (6) to move rightwards;
when the reversing mechanism drives the reversing cylinder (6) to move rightwards, so that the right end face of the dividing ring (62) abuts against the left end face of the second sealing shoulder (34), the right end face of the sealing retainer ring (61) abuts against the left end face of the chamber dividing retainer ring (33), the through holes (63) are all located in the accommodating cavity (35), the right end of the right chamber (8) is sealed by a sealing ring between the dividing ring (62) and the second sealing shoulder (34), the left end of the right chamber (8) is sealed by a sealing ring between the sealing retainer ring (61) and the chamber dividing retainer ring (33), and the inflow pipe (11) is communicated with the left chamber (7); when the reversing cylinder (6) moves leftwards under the pulling force of a third return spring (9), so that the left end face of the sealing retainer ring (61) is abutted to the right end face of the first sealing shoulder (32), the left end face of the dividing ring (62) is abutted to the right end face of the chamber dividing retainer ring (33), the left end of the left chamber (7) is sealed by a sealing ring between the sealing retainer ring (61) and the first sealing shoulder (32), the right end of the left chamber (7) is sealed by a sealing ring between the dividing ring (62) and the chamber dividing retainer ring (33), and the inflow pipe (11) is communicated with the right chamber (8) through a through hole (63).
2. The pipe cleaning and drying apparatus according to claim 1, wherein: reversing mechanism is including first electro-magnet (21) and second electro-magnet (22) of locating outer barrel (2) right-hand member in the right side to and locate first locking Assembly (23) and second locking Assembly (24) of outer barrel (2) inner wall in the right side, barrel (3) right removal in first electro-magnet (21) can attract, and the output that can drive first locking Assembly (23) dodges the right-hand member of interior barrel (3), the right-hand member of barrel (3) in the output that second electro-magnet (22) can drive second locking Assembly (24) dodges.
3. The pipe cleaning and drying apparatus according to claim 2, wherein: the right wall center of holding chamber (35) has been seted up and has been crossed the cylinder bore, the right-hand member of a switching-over section of thick bamboo (6) is followed and is crossed the cylinder bore and stretch out, the right-hand member middle part of right outer barrel (2) is located vertically in first electro-magnet (21).
4. The pipe cleaning and drying apparatus according to claim 3, wherein: the side of first electro-magnet (21) is located in second electro-magnet (22), the right-hand member of a switching-over section of thick bamboo (6) is equipped with locking head (64), locking head (64) are connected with a switching-over section of thick bamboo (6) through first bearing (65), the output of first locking Assembly (23) can the butt or dodge the right-hand member of locking head (64), the output of second locking Assembly (24) can the butt or dodge the left end of locking head (64).
5. The pipe cleaning and drying apparatus according to claim 3, wherein: first locking Assembly (23) including locate the upside of right outer barrel (2) inner wall or first vaulting pole (232) that the downside articulates in right outer barrel (2) inner wall and middle part, first vaulting pole (231) can move about, the left end of first vaulting pole (231) is articulated through the right-hand member of first connecting rod (233) with first vaulting pole (232), the left end of first vaulting pole (232) is connected with right outer barrel (2) through first reset spring (234).
6. The pipeline cleaning and drying device according to claim 5, wherein: second locking Assembly (24) including locate second pull rod (241) and the middle part of the front side or the rear side of the outer barrel in the right side of (2) inner wall articulate in second vaulting pole (242) of the outer barrel in the right side of (2) inner wall, second pull rod (241) can remove about, the left end of second pull rod (241) is articulated through the left end of second connecting rod (243) and second vaulting pole (242), the right-hand member of second vaulting pole (242) is connected with the outer barrel in the right side through second reset spring (244).
7. The pipe cleaning and drying apparatus according to claim 2, wherein: the left end of the left outer barrel (1) is provided with a first position sensor (16), the first position sensor (16) is connected with an analog input end of a first controller, an analog output end of the first controller is connected with a coil of a first relay to supply power to the coil of the first relay, a movable contact of the first relay is connected in a first power supply loop, a coil of a first electromagnet (21) is connected in the first power supply loop, and a storage battery (27) is further connected in the first power supply loop.
8. The pipe cleaning and drying apparatus according to claim 7, wherein: the right end of the right outer cylinder (2) is provided with a second position sensor (26), the second position sensor (26) is connected with the analog input end of a second controller, the analog output end of the second controller is connected with a coil of a second relay to supply power for the coil of the second relay, a movable contact of the second relay is connected in a second power supply loop, and the coil of the second electromagnet (22) and the storage battery (27) are both connected in the second power supply loop.
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| CN201910933025.XA CN110624906B (en) | 2019-09-29 | 2019-09-29 | Pipeline cleaning and drying device |
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| CN201910933025.XA CN110624906B (en) | 2019-09-29 | 2019-09-29 | Pipeline cleaning and drying device |
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| CN110624906B true CN110624906B (en) | 2021-08-24 |
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| CN111504011B (en) * | 2020-04-21 | 2022-01-11 | 广西柳州邦鑫管业有限公司 | Pipeline air-dries device |
| CN112797779A (en) * | 2020-12-30 | 2021-05-14 | 广州忆柏贸易有限公司 | Oil refining auxiliary agent drying and conveying device |
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