CN107234111B - Power transmission device and method for cleaning pipeline - Google Patents
Power transmission device and method for cleaning pipeline Download PDFInfo
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- CN107234111B CN107234111B CN201610180809.6A CN201610180809A CN107234111B CN 107234111 B CN107234111 B CN 107234111B CN 201610180809 A CN201610180809 A CN 201610180809A CN 107234111 B CN107234111 B CN 107234111B
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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
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/047—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices having internal motors, e.g. turbines for powering cleaning tools
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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
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/032—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces by the mechanical action of a moving fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/04—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces using cleaning devices introduced into and moved along the pipes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention belongs to the technical field of pipeline cleaning, and relates to a power transmission device and a method for cleaning a pipeline, wherein the power transmission device comprises a power mechanism and a transmission mechanism, the power mechanism drives the cleaning mechanism to realize cleaning operation through the transmission mechanism, the power mechanism comprises a power shaft motor and a spiral spring motor, and the power shaft and the spiral spring realize coaxial cardiac output through a shaft spring differential mechanism; the transmission mechanism is formed by a variable speed motor driving a roller mechanism, and the roller mechanism is provided with rollers on a roller bracket; the coaxial power shaft and the spiral spring are wound on the roller, the tail ends of the two are transmitted to a pipeline to be cleaned through the supporting bracket to carry out cleaning operation, the pipeline cleaning power transmission device utilizes the functions of the belt pulley and the conveying belt to coaxially output two power of the power shaft and the spiral spring, the spiral spring and the power shaft are coaxially used for power transmission, the outward spiral spring has the functions of stretching, propelling, guiding, antifriction and anti-twisting, stable power is provided for rotary cutting equipment, and the power can be adjusted at will.
Description
Technical Field
The invention belongs to the technical field of pipeline cleaning, and particularly relates to a power transmission device and a method for pipeline cleaning, which can be used for cleaning boiler coils and pipelines in the fields of petroleum, chemical industry, industrial and mining and the like.
Background
Taking a petroleum pipeline as an example, in smelting and conveying petroleum, a boiler coil and a conveying pipeline are very important links, because a large amount of impurities exist in crude oil, dirt (BaSO 4) is easily generated on the inner wall of the pipeline, the dirt in the pipeline wall can occupy more than 70 percent of the space in the pipeline in half a year and three months in a short time, the petroleum output is greatly influenced, the production quantity is reduced,
the usual solutions are the following: 1. a chemical etching method; 2. a vibration method; 3. a high-pressure sand blasting method; 4. and disassembling the blocked coil pipe or pipeline, conveying the coil pipe or pipeline to a processing workshop for reprocessing, and returning to the site for installation.
For the methods, 1, a chemical corrosion method, which is difficult to thoroughly clean due to the special dirt components (main components of dirt are calcium carbonate and barium sulfate), and corrodes the wall of a pipeline while corroding the dirt; 2. vibration method, this method can't finish the dirt to remove almost at the corner, the lump that drops can't discharge; 3. the high-pressure sand blasting method has the advantages that the effect is not obvious, the turning and middle section cleaning is not thorough, the cleaning time can not be mastered, and the possibility of pipeline wall abrasion is easily caused; 4. the method for reprocessing in the factory has the advantages of high cost and long period.
The method has the advantages that the defects of the methods are overcome, the descaling equipment is needed, for the cleaning of the coiled pipe type pipeline, the cleaning equipment needs to have certain flexibility to be capable of bending along with the bending of the pipeline, the cleaning equipment needs to realize the bending rotation function, one of the most difficult problems to be solved is how to provide continuous power for the cleaning equipment in the rotation process, and the motor is directly added to the cleaning equipment at present, so that the motor rotates along with the forward movement of the cleaning equipment, the general power of the motor is smaller, the working efficiency is poor, and the method is not suitable for the cleaning of the large mechanical pipeline.
Disclosure of Invention
The invention aims to solve the problem of how to provide continuous power for cleaning equipment in the rotating process and enable the cleaning equipment to operate with high power.
The invention provides a power transmission device for cleaning a pipeline, which comprises a power mechanism, a force applying mechanism, a forward and backward control device, a support bracket A, a support bracket B, a support bracket C and a transmission mechanism, wherein the power mechanism drives the cleaning mechanism to realize cleaning operation through the transmission mechanism; the transmission mechanism is formed by driving a roller mechanism by a variable speed motor, and the roller mechanism is formed by installing rollers on a roller bracket;
the power shaft and the spiral spring which are coaxially sleeved are wound on the roller, and the tail ends of the power shaft and the spiral spring are connected with the cutting device and are transmitted to the pipeline to be cleaned through the support bracket A for cleaning.
The power shaft motor and the rotary spring motor are respectively fixed on two motor supporting floors, the power shaft motor is connected with a first torsion limiter and then is connected with a connecting rod, the connecting rod is connected with a power shaft, the connecting rod is supported on a belt wheel bracket through a ball bearing, and a belt wheel is further arranged on the belt wheel bracket;
the rotary spring motor is sequentially connected with a speed reducer and a second torsion limiter and then is connected with a small belt pulley connecting shaft, the small belt pulley connecting shaft is supported on a bearing bracket through a bearing, a small belt pulley is fixedly arranged on the small belt pulley connecting shaft, and the small belt pulley is connected with a belt pulley through a belt;
the power shaft passes through the center of the belt wheel, the outer end face of the belt wheel is connected with a spiral spring, the spiral spring and the power shaft are coaxially arranged, the outer end face of the belt wheel is fixedly provided with a spiral spring compression screw sleeve through two screws, and the spiral spring passes through the spiral spring compression screw sleeve and is compressed and fastened by the spiral spring compression screw sleeve.
The rolling surface of the roller is provided with a plurality of rolling wheel brackets along the axial direction of the roller, and the rolling wheel brackets are provided with a plurality of rolling wheels with intervals for supporting the cutting mechanism disc on the roller.
The distance between the two rolling wheels used for supporting the cutting mechanism disc on the rolling wheels is satisfied so that the two rolling wheels are tangential to the cutting mechanism.
The rolling wheel is a rolling shaft or a supporting bearing.
The support bracket B is provided with an advance and retreat control device, the advance and retreat control device consists of two screw press covers which are arranged up and down oppositely and are movably arranged on the support bracket B, the screw press covers are respectively an upper screw press cover positioned above the rotary spring and a lower screw press cover positioned below the rotary spring, the upper screw press cover is connected with a screw press cover deflector rod for poking the upper screw press cover to move up and down, and after the upper screw press cover and the lower screw press cover are closed, a rotary spring through hole is formed in the middle of the upper screw press cover and the lower screw press cover.
The spiral spring through hole is a threaded hole or a through hole provided with an inserting sheet.
The support bracket C is also provided with a stress application mechanism, the stress application mechanism comprises a taper belt wheel, a compression sleeve, a tooth sleeve, a fixed tooth shaft and a tooth shaft deflector rod, the taper belt wheel and the tooth sleeve are fixed on the support bracket C and are horizontally arranged, the compression sleeve is fixedly connected between the taper belt wheel and the tooth sleeve, and a rotary spring horizontally penetrates through the taper belt wheel, the compression sleeve and the tooth sleeve in sequence; the taper belt wheel is connected with a force motor by a belt wheel to obtain power, and the rotating speed of the force motor is the same as that of the spiral spring motor; the tooth sleeve is hinged with a fixed tooth shaft which is connected with a tooth shaft deflector rod, and the fixed tooth shaft is positioned right above the rotary spring.
The force application mechanism has one or more.
The method for cleaning the pipeline by the power transmission device for cleaning the pipeline comprises the following steps:
step one: sleeving a spiral spring outside a power shaft, winding the spiral spring and the power shaft on a roller, connecting one ends of the spiral spring and the roller through a shaft sleeve, installing a cutting device at the end part of the power shaft, connecting the other end of the power shaft with a power shaft motor, and connecting the other end of the spiral spring with the spiral spring motor;
step two: starting a power shaft motor and a rotary spring motor, wherein the power shaft motor directly provides power for a power shaft to drive the power shaft to rotate; the rotary spring motor drives the rotary spring and the power shaft to coaxially rotate under the action of the belt wheel, the belt, the small belt pulley and the small belt pulley connecting shaft;
step three: the rotary springs and the power shafts which are wound on the rollers rotate along with the rotation of the respective ends of the rotary springs and the power shafts;
step four: the power of the rotary spring is held by a force application mechanism on the support bracket C, so that the power loss in the transmission process is compensated, and the rotating speed is kept to be certain;
step five: starting a variable speed motor connected with the roller wheels and keeping constant speed, and realizing the advance of the rotary spring and the power shaft through the advance and retreat control device, wherein a cutting device positioned at the end part of the power shaft performs cleaning operation on a pipeline to be cleaned;
step six: after the cleaning operation is finished, the power shaft motor, the spiral spring motor and the variable speed motor connected with the roller are reversely started, and the spiral spring retreats under the action of the advance and retreat control device, so that the cutting device retreats from the pipeline to be cleaned.
The invention has the beneficial effects that: the power transmission device and the method for cleaning the pipeline, provided by the invention, utilize the functions of the belt wheel and the conveyor belt to coaxially output two powers of the power shaft and the rotary spring, and the rotary spring and the power shaft are coaxially used for transmitting the power, so that the rotary spring has the functions of stretching, propelling, guiding, antifriction and anti-twisting, stable power is provided for rotary cutting equipment, and the power can be adjusted at will.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of the overall principle of the working process of the invention.
Fig. 2 is a schematic partial cross-sectional view of a rolling surface of a roller.
Fig. 3 is a schematic diagram of an axle spring differential structure in a power structure.
Fig. 4 is a schematic diagram of the water circulation system.
Reference numerals illustrate: 1. a roller bracket; 2. a spiral spring bracket; 3. a power shaft motor; 4. a rotary spring; 5. a roller; 6. a rotary spring motor; 7. a stress application mechanism; 8. a water pump; 9. a forward and backward control device; 10. a water diversion box; 11. a first pressure relief device; 12. a second pressure relief device; 13. a first valve; 14. a third valve; 15. a second valve; 16. a water tank; 17. a sewage disposal system; 18. a fourth valve; 19. heating the boiler by a petroleum pipeline; 20. a shaft spring fixing sleeve; 21. an impeller; 22. a cutter head; 23. a pipeline to be cleaned; 24. a power shaft; 25. a rotary spring support bracket; 26. a rolling wheel; 27. a connecting pipe; 28. taper belt wheel; 29. a compacting sleeve; 30. a tooth sleeve; 31. fixing a gear shaft; 32. a gear shaft deflector rod; 33. a screw gland is arranged on the upper part; 34. a lower screw gland; 35. a screw gland deflector rod; 36. s-shaped pressure release cylinder; 37. a linear pressure release cylinder; 38. a sewage pump outlet conduit; 39. a force motor; 40. a connecting flange; 41. a connecting flange; 42. a cylinder; 43. a baffle; 44. a chassis; 45. an axle spring differential; 46. a first torsion limiter; 47. a belt wheel bracket; 48. a belt wheel; 49. a connecting rod; 50. a ball bearing; 51. 53, screws; 52. the spiral spring compresses the screw sleeve; 54. a belt; 55. a small pulley; 56. a small belt pulley connecting shaft; 57. a bearing support; 58. a bearing; 59. a second torsion limiter; 60. a speed reducer; 61. 62 motor support floor.
Detailed Description
Example 1:
the embodiment provides a power transmission device for cleaning a pipeline, which is shown in fig. 1, 2 and 3, and comprises a power mechanism, a force applying mechanism 7, a driving and reversing control device 9, a supporting bracket A, a supporting bracket B, a supporting bracket C and a transmission mechanism, wherein the power mechanism drives the cleaning mechanism to realize cleaning operation through the transmission mechanism, the power mechanism comprises a power shaft motor 3 for providing power for a power shaft 24 and a rotary spring motor 6 for providing power for a rotary spring 4, and the power shaft 24 and the rotary spring 4 realize coaxial cardiac output through a shaft spring differential mechanism 45; the transmission mechanism is composed of a roller mechanism driven by a variable speed motor, and the roller mechanism is composed of a roller bracket 1 provided with rollers 5;
the coaxial power shaft 24 and the spiral spring 4 are wound on the roller 5, and the tail ends of the power shaft and the spiral spring are transmitted to the pipeline 23 to be cleaned through the support bracket A for cleaning.
Starting a power motor, respectively providing power for a power shaft 24 and a rotary spring 4 by a power shaft motor 3 and a rotary spring motor 6, and realizing the coaxial same-direction different-speed rotary power output of the power shaft 24 and the rotary spring 4 by a shaft spring differential mechanism 45; the power shaft 24 and the rotary spring 4 are wound on the roller 5, and the power transmission direction of the power shaft 24 and the rotary spring 4 is changed to enable the power shaft and the rotary spring 4 to move along the control mechanism; the power shaft 24 and the rotary spring 4 sequentially pass through the stressing mechanism 7 and the advance and retreat control device 9, and a cutting device at the tail end of the power shaft 24 enters the pipeline 23 to be cleaned to cut and clean the inner wall of the pipeline.
The structure of the embodiment ensures that the flexible cutting device can not only bend and rotate in the cleaning process, but also obtain uninterrupted high-power, thereby realizing the problems of providing continuous power for cleaning equipment in the rotating process and enabling the cleaning equipment to operate with high power.
Example 2:
in this embodiment, as shown in fig. 3, the power shaft motor 3 and the spiral spring motor 6 are respectively fixed on motor supporting floors 61 and 62, the power shaft motor 3 is connected with a first torsion limiter 46 and then connected with a connecting rod 49, the connecting rod 49 is connected with the power shaft 24, the connecting rod 49 is supported on a pulley bracket 47 through a ball bearing 50, and a pulley 48 is also mounted on the pulley bracket 47;
the spiral spring motor 6 is connected with a speed reducer 60 and a second torsion limiter 59 in sequence and then is connected with a small belt pulley connecting shaft 56, the small belt pulley connecting shaft 56 is supported on a bearing bracket 57 through a bearing 58, a small belt pulley 55 is fixedly arranged on the small belt pulley connecting shaft 56, and the small belt pulley 55 is connected with a belt pulley 48 through a belt 54;
the power shaft 24 passes through the center of the belt wheel 48, the outer end surface of the belt wheel 48 is connected with the spiral spring 4, the spiral spring 4 and the power shaft 24 are coaxially arranged, the spiral spring compression screw sleeve 52 is fixed on the outer end surface of the belt wheel 48 through screws 51 and 53, and the spiral spring 4 passes through the spiral spring compression screw sleeve 52 and is compressed and fastened by the spiral spring compression screw sleeve 52.
By this structure of the present embodiment, the spiral spring 4 and the power shaft 24 are finally made to have the same place and coaxially output in the same direction but at different speeds.
Example 3:
in this embodiment, the transmission mechanism in embodiment 1 is described in detail, the transmission mechanism is formed by driving a roller mechanism by a motor, the roller mechanism is formed by installing a roller 5 on a roller support 1, a plurality of roller supports 25 along the axial direction of the roller 5 are arranged on the rolling surface of the roller 5, as shown in fig. 2, a plurality of spaced rollers 26 for supporting a cutting mechanism disc on the roller 5 are installed on the roller supports 25, the rollers 26 are rolling shafts or supporting bearings, and the distance between the two rollers 26 for supporting the cutting mechanism disc on the roller 5 is satisfied so that the two rollers can be exactly tangential to the cutting mechanism.
In this embodiment, the concentric power shaft 24 and the spiral spring 4 transmitted from the power end need to rely on the transmission mechanism to perform power transmission, and the power shaft 24 and the spiral spring 4 are mainly reflected on the spiral spring support 2 which is wound on the roller 5, where the specific structure of the spiral spring support 2 is as follows: a rolling wheel bracket 25 is arranged on the rolling surface of the roller 5 along the axial direction of the roller 5, and a rolling wheel 26 for supporting a cutting mechanism disc on the roller 5 is arranged on the rolling wheel bracket 25. The plurality of rolling wheels 26 form a thread-like structure on the rolling surface of the roller 5, and the spiral spring 4 is wound around the locus of the rolling wheels 26 on the rolling surface of the roller 5 and finally transferred to the cutting advance and retreat control mechanism.
Example 4:
the support bracket B is provided with a feeding and retreating control device 9, the feeding and retreating control device 9 consists of two spiral pressing covers which are arranged up and down oppositely and movably arranged on the support bracket B, the two spiral pressing covers are respectively an upper spiral pressing cover 33 positioned above the spiral spring 4 and a lower spiral pressing cover 34 positioned below the spiral spring 4, the upper spiral pressing cover 33 is connected with a spiral pressing cover deflector 35 for poking the upper spiral pressing cover to move up and down, after the upper spiral pressing cover 33 and the lower spiral pressing cover 34 are closed, a spiral spring through hole is formed in the middle of the upper spiral pressing cover, and the spiral spring through hole is a threaded hole or a through hole with an inserting piece.
The advance and retreat control device 9 mainly realizes the feeding and retreating of the spiral spring 4, mainly by the rotation direction of the spiral spring 4 and the screw thread matching between the spiral spring 4 and the upper spiral gland 33 and the lower spiral gland 34, when in feeding, the upper spiral gland 33 and the lower spiral gland 34 are tightly combined by the spiral gland deflector rod 35, and a structure similar to a worm gear and a worm is formed with the spiral spring 4, at the moment, the upper spiral gland 33 and the lower spiral gland 34 are not moved, and the spiral spring 4 continuously advances along with the rotation of the spiral spring 4; when the rotary spring 4 rotates reversely, the rotary spring retreats.
Further, the cutting advance and retreat control mechanism further comprises a force applying mechanism 7, the power shaft motor 3 supplies power to the power shaft 24, the spiral spring motor 6 supplies power to the spiral spring 4, the spiral spring 4 is sleeved outside the power shaft 24, after the spiral spring 4 is subjected to power supplement and maintenance through the force applying mechanism 7, the spiral spring is then screwed in and retreated through the advance and retreat control device 9, and the force applying mechanism 7 and the advance and retreat control device 9 are arranged on the support bracket D.
The stressing mechanism 7 comprises a taper pulley 28, a compression sleeve 29, a tooth sleeve 30, a fixed tooth shaft 31 and a tooth shaft deflector rod 32, wherein the taper pulley 28 and the tooth sleeve 30 are fixed on a support bracket C and are horizontally arranged, the compression sleeve 29 is fixedly connected between the taper pulley 28 and the tooth sleeve 30, and the rotary spring 4 horizontally penetrates through the taper pulley 28, the compression sleeve 29 and the tooth sleeve 30 in sequence;
the taper belt wheel 28 is connected with a force motor 39 by a belt wheel to obtain power, and the rotating speed of the force motor 39 is the same as that of the rotary spring motor 6; the tooth sleeve 30 is hinged with a fixed tooth shaft 31, the fixed tooth shaft 31 is connected with a tooth shaft deflector rod 32, and the fixed tooth shaft 31 is positioned right above the rotary spring 4.
After the spiral spring 4 gets power from the spiral spring motor 6, the spiral spring is wound around the roller 5 for many circles and then goes to the stress application mechanism 7, in the transmission process, due to factors such as friction loss, the power loss exists, therefore, after reaching the stress application mechanism 7, the rotating speed of the spiral spring 4 is certainly reduced, the expected effect cannot be achieved, therefore, stress is applied to the spiral spring at the stress application mechanism 7, the pressing sleeve 29 is sleeved on the spiral spring 4, the tooth shaft deflector rod 32 is pressed, the tooth shaft deflector rod 32 enables the fixed tooth shaft 31 to drive the tooth sleeve 30 to drive the pressing sleeve 29 to fasten the whole stress application mechanism and the spiral spring 4 into a whole, the taper pulley 28 is connected with the stress application motor 39 through the pulley to obtain power, the rotating speed of the stress application motor 39 is the same as that of the spiral spring motor 6, and therefore, the taper pulley 28 can give the power at the same rotating speed as that of the spiral spring motor 6 to the spiral spring 4 is stressed at the place, so that the rotating speed of the spiral spring 4 is the same as that just exits the spiral spring motor 6.
Example 5:
the embodiment provides a method for cleaning a pipeline by using the power transmission device for cleaning the pipeline, which comprises the following steps:
step one: the rotary spring 4 is sleeved outside the power shaft 24, the rotary spring 4 and the rotary spring are wound on the roller 5, one end of the rotary spring is connected with the roller through a shaft sleeve, a cutting device is arranged at the end part of the power shaft 24, the other end of the power shaft 24 is connected with the power shaft motor 3, and the other end of the rotary spring 4 is connected with the rotary spring motor 6;
step two: starting a power shaft motor 3 and a rotary spring motor 6, wherein the power shaft motor 3 directly provides power for a power shaft 24 to drive the power shaft 24 to rotate; the rotary spring motor 6 drives the rotary spring 4 to coaxially rotate with the power shaft 24 under the action of the belt pulley 48, the belt 54, the small belt pulley 55 and the small belt pulley connecting shaft 56;
step three: the spiral spring 4 and the power shaft 24 wound on the roller 5 rotate along with the rotation of the respective ends;
step four: the power of the rotary spring 4 is held by the stressing mechanism 7 on the support bracket C, so that the power loss in the transmission process is compensated, and the rotating speed is kept to be constant;
step five: starting a variable speed motor connected with the roller 5 and keeping constant speed, and realizing the advance of the rotary spring 4 and the power shaft 24 through the advance and retreat control device 9, and cleaning the pipeline 23 to be cleaned by a cutting device positioned at the end part of the power shaft 24;
step six: after the cleaning operation is completed, the power shaft motor 3, the spiral spring motor 6 and the variable speed motor connected with the roller 5 are reversely started, and the spiral spring 4 retreats under the action of the advance and retreat control device 9, so that the cutting device retreats from the pipeline 23 to be cleaned.
Example 6:
this embodiment describes the power transmission device of the present invention in connection with a specific cutting and cleaning device: the pipeline cleaning device comprises a power mechanism, a transmission mechanism, a water circulation system, a cutting mechanism and a cutting and advancing and retreating control mechanism, wherein the power mechanism drives the transmission mechanism, the transmission mechanism drives the cutting mechanism, the cutting mechanism is controlled and regulated by the cutting and advancing and retreating control mechanism, meanwhile, the water circulation system assists the cutting mechanism to cut and clean and discharge sewage, as shown in fig. 1, the power mechanism comprises a power shaft motor 3 for providing power for a power shaft 24 and a rotary spring motor 6 for providing power for a rotary spring 4, the power shaft motor 3 is connected with a first torsion limiter 46 and then is connected with a connecting rod 49, the connecting rod 49 is connected with the power shaft 24, the connecting rod 49 is supported on a belt pulley bracket 47 through a ball bearing 50, and a belt pulley 48 is further arranged on the belt pulley bracket 47; the spiral spring motor 6 is connected with a speed reducer 60 and a second torsion limiter 59 in sequence and then is connected with a small belt pulley connecting shaft 56, the small belt pulley connecting shaft 56 is supported on a bearing bracket 57 through a bearing 58, a small belt pulley 55 is fixedly arranged on the small belt pulley connecting shaft 56, and the small belt pulley 55 is connected with a belt pulley 48 through a belt 54; the power shaft 24 passes through the center of the belt wheel 48, the outer end surface of the belt wheel 48 is connected with the rotary spring 4, the rotary spring 4 is sleeved outside the power shaft 24, the rotary spring compression screw sleeve 52 is fixed on the outer end surface of the belt wheel 48, and the rotary spring 4 passes through the rotary spring compression screw sleeve 52 and is compressed and fastened by the rotary spring compression screw sleeve 52;
the transmission mechanism is composed of a variable speed motor (always keeping the roller 5 to rotate at a constant speed) and a roller mechanism, the roller mechanism is composed of a roller bracket 1 provided with the roller 5, a plurality of roller brackets 25 along the axial direction of the roller 5 are arranged on the rolling surface of the roller 5, and a plurality of roller 26 which are arranged on the roller brackets 25 at intervals and used for supporting a cutting mechanism disc on the roller 5 are arranged on the roller bracket 25; the distance between the two rolling wheels 26 for supporting the cutting mechanism disc on the roller 5 is such that the two rolling wheels are exactly tangential to the cutting mechanism; the rolling wheel 26 is a rolling shaft or a supporting bearing;
the cutting advance and retreat control mechanism comprises an advance and retreat control device 9, wherein the advance and retreat control device 9 consists of two spiral covers which are arranged in a vertical opposite mode and movably installed on a support bracket B, the spiral covers are respectively an upper spiral cover 33 positioned above a spiral spring 4 and a lower spiral cover 34 positioned below the spiral spring 4, the upper spiral cover 33 is connected with a spiral cover deflector rod 35 for poking the upper spiral cover 33 to move up and down, after the upper spiral cover 33 and the lower spiral cover 34 are closed, a spiral spring through hole is formed in the middle of the upper spiral cover 33, and the spiral spring through hole is a threaded hole or a through hole with an inserting piece;
the cutting advance and retreat control mechanism further comprises a force application mechanism 7, the force application mechanism 7 comprises a taper belt wheel 28, a compression sleeve 29, a tooth sleeve 30, a fixed tooth shaft 31 and a tooth shaft deflector rod 32, the taper belt wheel 28 and the tooth sleeve 30 are fixed on a support bracket C and are horizontally arranged, the compression sleeve 29 is fixedly connected between the taper belt wheel 28 and the tooth sleeve 30, and a rotary spring 4 horizontally penetrates through the taper belt wheel 28, the compression sleeve 29 and the tooth sleeve 30 in sequence; the taper belt wheel 28 is connected with a force motor 39 by a belt wheel to obtain power, and the rotating speed of the force motor 39 is the same as that of the rotary spring motor 6; the tooth sleeve 30 is hinged with a fixed tooth shaft 31, the fixed tooth shaft 31 is connected with a tooth shaft deflector rod 32, and the fixed tooth shaft 31 is positioned right above the rotary spring 4;
the cutting mechanism comprises a power shaft 24, a rotary spring 4 and a cutting head, one end of the power shaft 24 is connected with a power shaft motor 3, the other end of the power shaft is connected with the cutting head, the power shaft 24 is connected with the rotary spring 4 through a shaft spring fixing sleeve, the shaft spring fixing sleeve is sleeved on the power shaft 24, and one end of the rotary spring 4 is connected with the shaft spring fixing sleeve; the cutting head comprises a cutter head 22 and an impeller 21, wherein the cutter head 22 and the impeller 21 are arranged at the cutting end of a power shaft 24, and the cutter head 22 is positioned at the front end of the impeller 21;
the water circulation system comprises a water tank 16, a water pump 8, a water diversion tank 10, a sewage disposal system 17 and pressure relief devices, wherein as shown in fig. 4, the two pressure relief devices are connected and installed side by side, namely a first pressure relief device 11 and a second pressure relief device 12, and are connected with an inlet of a pipeline to be cleaned through a connecting pipeline 27 and a connecting flange 40; a filter screen is arranged in the middle of the water tank 16, the water tank 16 is divided into a clear water area and an impurity area by the filter screen, and the water pump 8 is connected with the clear water area; the water pump 8 is connected with the water diversion box 10, the water diversion box 10 is connected with a pipeline to be respectively connected with the connecting pipeline 27 and the pipeline to be cleaned, and a first valve 13 and a second valve 15 are respectively arranged in the pipeline; the sewage system 17 comprises a sewage pump and a sewage pump outlet pipeline 38, the sewage pump is connected with an outlet of the pipeline to be cleaned, a fourth valve 18 is arranged in the pipeline, and the sewage pump outlet pipeline 38 is connected with an impurity region of the water tank 16;
the pressure relief devices are communicated with the impurity area of the water tank 16, pressure relief cylinders with pressure relief holes are arranged in the pressure relief devices, and S-shaped pressure relief cylinders 36 are arranged in the first pressure relief devices 11; a linear pressure release cylinder 37 is arranged in the second pressure release device 12, and a third valve 14 is arranged on the pipeline;
the linear pressure release cylinder 37 comprises a cylinder body 42 and a baffle plate 43, wherein the baffle plate 43 is positioned at one third of the right end of the inside of the cylinder body 42, the baffle plate 43 divides the inside of the cylinder body 42 into a left area and a right area, and a center through hole for a cutting mechanism to pass through is formed in the center of the baffle plate 43.
The specific working principle comprises the following steps:
step one: the power motor is started, the power shaft motor 3 and the rotary spring motor 6 respectively supply power to the power shaft 24 and the rotary spring 4, and the coaxial same-direction different-speed rotary power output of the power shaft 24 and the rotary spring 4 is realized through the axle spring differential mechanism 45, and the specific structure is as shown in the embodiment 7.
Step two: the power shaft 24 and the rotary spring 4 are wound on the roller 5, and the power transmission direction of the power shaft 24 and the rotary spring 4 is changed through the roller wheel bracket 25 and the roller wheel 26 on the roller 5 so as to move along the control mechanism.
The concentric power shaft 24 and the spiral spring 4 transmitted by the power end need to rely on a transmission mechanism for power transmission, and the power transmission is mainly embodied on the spiral spring support 2 of the power shaft 24 and the spiral spring 4 which are wound on the roller 5, and the specific structure of the spiral spring support 2 is as follows: a rolling wheel bracket 25 is arranged on the rolling surface of the roller 5 along the axial direction of the roller 5, and a rolling wheel 26 for supporting a cutting mechanism disc on the roller 5 is arranged on the rolling wheel bracket 25. The plurality of rolling wheels 26 form a thread-like structure on the rolling surface of the roller 5, and the spiral spring 4 is wound around the locus of the rolling wheels 26 on the rolling surface of the roller 5 and finally transferred to the cutting advance and retreat control mechanism.
Step three: the power shaft 24 and the rotary spring 4 sequentially pass through the force application mechanism 7 and the advance and retreat control device 9, the force application mechanism 7 compensates the kinetic energy of the rotary spring, and the advance and retreat control device 9 realizes the advance and retreat function by utilizing the thread and the rotation direction change of the rotary spring 4.
After the spiral spring 4 gets power from the spiral spring motor 6, the spiral spring is wound around the roller 5 for many circles and then goes to the stress application mechanism 7, in the transmission process, due to factors such as friction loss, the power loss exists, therefore, after reaching the stress application mechanism 7, the rotating speed of the spiral spring 4 is certainly reduced, the expected effect cannot be achieved, therefore, stress is applied to the spiral spring at the stress application mechanism 7, the pressing sleeve 29 is sleeved on the spiral spring 4, the tooth shaft deflector rod 32 is pressed, the tooth shaft deflector rod 32 enables the fixed tooth shaft 31 to drive the tooth sleeve 30 to drive the pressing sleeve 29 to fasten the whole stress application mechanism and the spiral spring 4 into a whole, the taper pulley 28 is connected with the stress application motor 39 through the pulley to obtain power, the rotating speed of the stress application motor 39 is the same as that of the spiral spring motor 6, and therefore, the taper pulley 28 can give the power at the same rotating speed as that of the spiral spring motor 6 to the spiral spring 4 is stressed at the place, so that the rotating speed of the spiral spring 4 is the same as that just exits the spiral spring motor 6.
The advance and retreat control device 9 mainly realizes the feeding and retreating of the spiral spring 4, mainly by the rotation direction of the spiral spring 4 and the screw thread matching between the spiral spring 4 and the upper spiral gland 33 and the lower spiral gland 34, when in feeding, the upper spiral gland 33 and the lower spiral gland 34 are tightly combined by the spiral gland deflector rod 35, and a structure similar to a worm gear and a worm is formed with the spiral spring 4, at the moment, the upper spiral gland 33 and the lower spiral gland 34 are not moved, and the spiral spring 4 continuously advances along with the rotation of the spiral spring 4; when the rotary spring 4 rotates reversely, the rotary spring retreats.
Step four: the cutting head at the tail end of the power shaft 24 enters the pipeline 23 to be cleaned to cut and clean the inner wall of the pipeline.
The tool bit 22 is arranged at the tail end of the power shaft 24, the tool bit 22 rotates along with the rotation of the power shaft 24 to cut and clean dirt on the wall of the pipeline, and the dirt and impurities are gradually cleaned from one end of the pipeline to the other end of the pipeline along with continuous feeding movement, so that the cleaned dirt and impurities are carried out of the pipeline 23 to be cleaned by the water circulation system in the cleaning process; along with the continuous circulation of the water, the water impacts on the impeller 21 and pushes the impeller 21 to rotate, so that the impeller 21 can provide a certain power for the rotation of the cutter head 22 through the water pressure of the water circulation system.
Step five: the water pump of the water circulation system pumps water into the pipeline 23 to be cleaned, increases power and washes dirt and impurities through the water impact impeller, pumps the dirt and impurities at the outlet end of the pipeline 23 to be cleaned through the sewage pump, and discharges the dirt and impurities into a water tank for filtering and recycling.
The water circulation system mainly has three functions, namely flushing dirt and impurities cut by the cutting mechanism in the pipeline 23 to be cleaned, providing certain fine adjustment power for the cutting mechanism, and providing reverse circulation power for tool withdrawal. Water is pumped out of the water tank 16 by the water pump 8 and enters the water diversion tank 10, the valve 13 is opened, the water enters the connecting pipeline 27, the water enters the pipeline to be cleaned 23 through the connecting pipeline 27, the water is beaten onto the impeller 21, the power of the power shaft 24 is increased, the cutter head 21 rotates to cut dirt on the pipe wall to form impurities, and then the impurities are brought out of the outlet of the pipeline to be cleaned 23 through the water and enter the sewage disposal system 17. The sewage system is provided with a swabbing sewage pump, the rotary power and the pipeline drainage capacity can be increased by swabbing at the outlet, the discharged sewage is pumped into an impurity area of the water tank 16 by the swabbing sewage pump through a sewage pump outlet pipeline 38, then filtered, impurities are remained in the impurity area, clean water enters a clean water area again, and the water pump 8 carries out the next circulation.
In the fifth step, the water circulation system is in the working process, the pressure relief device of the water circulation system is used for relieving pressure through the pressure relief cylinder, the liquid flow direction and the size of the third valve are used for changing the water pressure, and then power regulation is realized. The pressure relief device can play a role in protection and regulation, a first valve 13 and a second valve 15 are respectively arranged in the connecting pipeline between the water distribution box 10 and the connecting pipeline 27 and between the water tank 16 and the outlet of the pipeline to be cleaned 23, a third valve 14 is arranged in the connecting pipeline between the second pressure relief device 12 and the water tank 16, a fourth valve 18 is arranged in the connecting pipeline between the swabbing sewage pump 17 and the outlet of the pipeline to be cleaned 23, the pressure regulation effect can be realized by changing the flow direction of liquid or opening the third valve through a pressure relief cylinder in the pressure relief device, and the cleaning speed can be controlled through pressure regulation, the cleaning power can be amplified again and the cut dirt can be flushed out of the pipeline.
Step six: after cutting, the water circulation system carries out reverse circulation, and the motors of the power shaft motor 3, the rotary spring motor 6 and the roller 5 are reversely rotated, so that the power shaft 24 and the rotary spring 4 are rapidly withdrawn from the pipeline 23 to be cleaned under the action of the advance and retreat control device 9.
By utilizing the function of the water diversion tank 10, and combining with the function shown in fig. 1, when cutting, the first valve 13, the third valve 14 and the fourth valve 18 are opened, the second valve 15 is closed, water is pumped out of the water tank 16 by the water pump 8 and enters the water diversion tank 10, then enters the pipeline 23 to be cleaned through the connecting pipeline 27, dirt and impurities are carried out from the pipeline 23 to be cleaned, filtered by the impurity area of the water tank 16 through the sewage disposal system 17, and then clear water enters the clear water area for the next circulation; after cutting, the first valve 13 and the fourth valve 18 are closed, the third valve 14 and the second valve 15 are opened, water is pumped out of the water tank 16 by the water pump 8 and enters the water diversion tank 10, then enters the pipeline from the outlet of the pipeline to be cleaned 23 through the second valve 15, the reverse pushing effect is achieved on the cutting mechanism, the cutting mechanism rapidly exits the pipeline to be cleaned 23, then the water enters the pressure relief device, the water flows back to the impurity region of the water tank 16 again for filtering by the second valve 15, and the clear water enters the clear water region for recirculation.
The structure enables the cutting and cleaning water to be recycled, and no sewage is discharged, so that the cutting and cleaning water is energy-saving and environment-friendly.
In summary, the power transmission device and the method for cleaning the pipeline provided by the invention utilize the functions of the belt pulley and the conveyor belt to coaxially output power of the power shaft and the rotary spring, and the rotary spring and the power shaft are coaxially used for transmitting power, so that the rotary spring outside has the functions of stretching, propelling, guiding, antifriction and anti-twisting, stable power is provided for rotary cutting equipment, and the power can be adjusted at will.
The foregoing examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention, and all designs that are the same or similar to the present invention are within the scope of the present invention.
Claims (9)
1. The utility model provides a pipeline cleaning's power transmission, includes power unit, afterburning mechanism (7), advance and retreat controlling means (9), support bracket A, support bracket B, support bracket C and drive mechanism, and power unit passes through drive mechanism and drives wiper mechanism and realize cleaning operation, its characterized in that: the power mechanism comprises a power shaft motor (3) for providing power for a power shaft (24) and a rotary spring motor (6) for providing power for a rotary spring (4), the rotary spring (4) is sleeved outside the power shaft (24), and the power shaft (24) and the rotary spring (4) realize coaxial cardiac output through a shaft spring differential mechanism (45); the transmission mechanism is composed of a roller mechanism driven by a variable speed motor, and the roller mechanism is composed of a roller bracket (1) provided with rollers (5); the power shaft (24) and the rotary spring (4) which are coaxially sleeved are wound on the roller (5), and the tail ends of the power shaft and the rotary spring are connected with the cutting mechanism and are transmitted to the pipeline (23) to be cleaned through the support bracket A for cleaning; the rolling surface of the roller (5) is provided with a plurality of rolling wheel brackets (25) along the axial direction of the roller (5), and the rolling wheel brackets (25) are provided with a plurality of rolling wheels (26) with intervals for supporting the cutting mechanism to be arranged on the roller (5).
2. The pipe cleaning power transmission device of claim 1, wherein: the power shaft motor (3) and the rotary spring motor (6) are respectively fixed on two motor supporting floors (61, 62), the power shaft motor (3) is connected with a first torsion limiter (46) and then is connected with a connecting rod (49), the connecting rod (49) is connected with the power shaft (24), the connecting rod (49) is supported on a belt wheel bracket (47) through a ball bearing (50), and a belt wheel (48) is further arranged on the belt wheel bracket (47);
the spiral spring motor (6) is sequentially connected with a speed reducer (60) and a second torsion limiter (59) and then is connected with a small belt pulley connecting shaft (56), the small belt pulley connecting shaft (56) is supported on a bearing bracket (57) through a bearing (58), a small belt pulley (55) is fixedly arranged on the small belt pulley connecting shaft (56), and the small belt pulley (55) is connected with a belt pulley (48) through a belt (54);
the power shaft (24) passes through the center of the belt wheel (48), the outer end face of the belt wheel (48) is connected with the spiral spring (4), the spiral spring (4) and the power shaft (24) are coaxially arranged, the spiral spring compression screw sleeve (52) is fixed on the outer end face of the belt wheel (48) through two screws (51, 53), and the spiral spring (4) passes through the spiral spring compression screw sleeve (52) and is compressed and fastened by the spiral spring compression screw sleeve (52).
3. The pipe cleaning power transmission device of claim 1, wherein: the distance between the two rolling wheels (26) used for supporting the cutting mechanism and arranged on the roller (5) is satisfied so that the two rolling wheels are tangential to the cutting mechanism.
4. A pipe cleaning power transmission device according to claim 1 or 3, characterized in that: the rolling wheel (26) is a rolling shaft or a support bearing.
5. The pipe cleaning power transmission device of claim 1, wherein: the support bracket B is provided with a driving and reversing control device (9), the driving and reversing control device (9) is composed of two spiral pressing covers which are arranged up and down oppositely and movably arranged on the support bracket B, the two spiral pressing covers are respectively an upper spiral pressing cover (33) positioned above the spiral spring (4) and a lower spiral pressing cover (34) positioned below the spiral spring (4), the upper spiral pressing cover (33) is connected with a spiral pressing cover deflector (35) for poking the upper spiral pressing cover to move up and down, and after the upper spiral pressing cover (33) and the lower spiral pressing cover (34) are combined, a spiral spring through hole is formed in the middle of the upper spiral pressing cover.
6. The pipe cleaning power transmission device according to claim 5, wherein: the through hole of the spiral spring (4) is a threaded hole or a through hole provided with an inserting sheet.
7. A pipe cleaning power transmission device as claimed in claim 5 or 6, wherein: the support bracket C is also provided with a force application mechanism (7), the force application mechanism (7) comprises a taper belt wheel (28), a compression sleeve (29), a tooth sleeve (30), a fixed tooth shaft (31) and a tooth shaft deflector rod (32), the taper belt wheel (28) and the tooth sleeve (30) are fixed on the support bracket C and horizontally arranged, the compression sleeve (29) is fixedly connected between the taper belt wheel (28) and the tooth sleeve (30), and the spiral spring (4) horizontally penetrates through the taper belt wheel (28), the compression sleeve (29) and the tooth sleeve (30) in sequence; the taper belt wheel (28) is connected with a force motor (39) through the belt wheel to acquire power, and the rotating speed of the force motor (39) is the same as that of the rotary spring motor (6); the tooth sleeve (30) is hinged with a fixed tooth shaft (31), the fixed tooth shaft (31) is connected with a tooth shaft deflector rod (32), and the fixed tooth shaft (31) is positioned right above the rotary spring (4).
8. The pipe cleaning power transmission device of claim 7, wherein: the force application mechanism (7) has one or more than one force application mechanism.
9. A method of cleaning a pipe using the pipe cleaning power transmission device of claim 2, comprising the steps of:
step one: the rotary spring (4) is sleeved outside the power shaft (24), the rotary spring and the rotary spring are wound on the roller (5), one end of the rotary spring is connected with the roller through a shaft sleeve, a cutting mechanism is arranged at the end part of the power shaft (24), the other end of the power shaft (24) is connected with the power shaft motor (3), and the other end of the rotary spring (4) is connected with the rotary spring motor (6);
step two: starting a power shaft motor (3) and a rotary spring motor (6), wherein the power shaft motor (3) directly provides power for a power shaft (24) to drive the power shaft to rotate; the spiral spring motor (6) drives the spiral spring (4) and the power shaft (24) to coaxially rotate under the action of the belt wheel (48), the belt (54), the small belt wheel (55) and the small belt wheel connecting shaft (56);
step three: the rotary spring (4) and the power shaft (24) which are wound on the roller (5) rotate along with the rotation of the respective ends of the rotary spring and the power shaft;
step four: the power of the rotary spring (4) is held by a force application mechanism (7) on the support bracket C, so that the power loss in the transmission process is compensated, and the rotating speed is kept to be constant;
step five: starting a variable speed motor connected with the roller (5) and keeping constant speed, and realizing the advance of the rotary spring (4) and the power shaft (24) through the advance and retreat control device (9), and cleaning the pipeline (23) to be cleaned by a cutting mechanism positioned at the end part of the power shaft (24);
step six: after the cleaning operation is finished, the power shaft motor (3), the rotary spring motor (6) and the variable speed motor connected with the roller (5) are reversely started, and the rotary spring (4) retreats under the action of the advance and retreat control device (9), so that the cutting mechanism retreats from the pipeline (23) to be cleaned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610180809.6A CN107234111B (en) | 2016-03-28 | 2016-03-28 | Power transmission device and method for cleaning pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610180809.6A CN107234111B (en) | 2016-03-28 | 2016-03-28 | Power transmission device and method for cleaning pipeline |
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| CN107234111A CN107234111A (en) | 2017-10-10 |
| CN107234111B true CN107234111B (en) | 2023-06-23 |
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| CN201610180809.6A Active CN107234111B (en) | 2016-03-28 | 2016-03-28 | Power transmission device and method for cleaning pipeline |
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| CN107695047A (en) * | 2017-11-03 | 2018-02-16 | 邱杨舒 | A kind of high-effective cleansing system of tubular type parts |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1664425A1 (en) * | 1989-04-18 | 1991-07-23 | Горьковский Филиал Донецкого Политехнического Института | Device for cleaning of inner surface of pipelines |
| JP2646198B2 (en) * | 1995-04-13 | 1997-08-25 | 東北興産株式会社 | Flushing machine |
| CN100531940C (en) * | 2006-07-04 | 2009-08-26 | 大连交通大学 | Vibration derusting process for inner surface of pipeline and device therefor |
| CN100537060C (en) * | 2007-10-23 | 2009-09-09 | 浙江大学 | Central air-conditioning pipe cleaning robot |
| US9346085B2 (en) * | 2010-06-30 | 2016-05-24 | Mehdi Khani Moghanaki | Pipe and tubes cleaning mechanism |
| CN203370785U (en) * | 2013-07-16 | 2014-01-01 | 刘继红 | Rotary cleaning device of oil conveying pipeline |
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