CN116652720A - Drag reduction grinding device in heat preservation pipeline with self-adaptation function - Google Patents
Drag reduction grinding device in heat preservation pipeline with self-adaptation function Download PDFInfo
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- CN116652720A CN116652720A CN202310935688.1A CN202310935688A CN116652720A CN 116652720 A CN116652720 A CN 116652720A CN 202310935688 A CN202310935688 A CN 202310935688A CN 116652720 A CN116652720 A CN 116652720A
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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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Abstract
The invention discloses an in-heat-preservation pipeline drag reduction polishing device with a self-adaptation function, which belongs to the technical field of heat-preservation pipeline processing and comprises a shell and a driving motor, wherein the driving motor is positioned in the shell, an adjusting mechanism and a travelling mechanism are arranged on the shell, the travelling mechanism is used for supporting the shell and driving the shell to move, the output end of the adjusting mechanism is connected with the travelling mechanism and used for adjusting the travelling mechanism, a spraying mechanism is rotationally arranged at one end of the shell and used for spraying drag reduction coatings on the inner wall of a pipeline, a polishing assembly is rotationally arranged at the other end of the shell, and the polishing assembly is used for polishing the drag reduction coatings. The motor drives the shell to walk and simultaneously sprays and polishes the inner wall of the heat-preserving pipeline, so that the smoothness and corrosion resistance of the inner wall of the heat-preserving pipeline are improved, the running resistance of the inner wall of the pipeline is reduced, the energy consumption is saved, the corrosion resistance can prolong the service life of the heat-preserving pipeline, and the cost is reduced.
Description
Technical Field
The invention belongs to the technical field of heat-insulating pipeline processing, and particularly relates to an in-heat-insulating pipeline drag reduction polishing device with a self-adaptive function.
Background
The resistance of the fluid as it flows in the pipeline can be divided into two types, frictional resistance and local resistance. The friction resistance is the resistance generated by the internal friction of the fluid when the fluid flows through a straight pipe with a certain pipe diameter, and is also called as the along-path resistance, and the local resistance is mainly the resistance caused by the fluid flowing through the pipe fitting, the valve, the abrupt expansion or contraction of the section of the pipeline and other local parts, and is also called as the shape resistance, and is called as hj. The total resistance of the fluid as it flows within the conduit is Σh=hf+hj;
along with the continuous push of town, the rapid increase of heat supply demand also puts forward higher requirements on the heat supply capacity of a central heat supply pipe network, and the heat supply distance is further and further, so that the inner diameter of a heat insulation pipeline is further and further increased to meet the heat supply demand, and the increase of the diameter of the pipeline and the length of the pipe network also increase, so that the resistance of medium flowing in the pipeline is higher when heat conducting medium circulation is carried out, the energy consumption of a conveying pump is higher, and the running cost is increased. While the key to reducing the flow resistance of the pipe is to reduce the coefficient of resistance of the inner surface of the pipe.
Therefore, a drag reduction polishing device with self-adaptive function in a heat preservation pipeline is needed to solve the problems.
Disclosure of Invention
The invention aims to solve the problem of providing a drag reduction polishing device with a self-adaptive function in a heat preservation pipeline, which is particularly suitable for spraying construction and polishing of the inner wall of the pipeline so as to increase the smoothness of the inner wall of the pipeline and reduce the resistance.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an in-heat preservation pipeline drag reduction grinding device with self-adaptation function, includes casing and driving motor, driving motor is located in the casing, set up adjustment mechanism and running gear on the casing, running gear is used for right the casing supports and drives the casing removes, adjustment mechanism's output with running gear links to each other, is used for right running gear adjusts the one end of casing is rotated and is provided with spraying mechanism, spraying mechanism is used for spraying drag reduction coating to the pipeline inner wall, and the other end rotates and is provided with the subassembly of polishing, the subassembly of polishing is used for right drag reduction coating polishes, just polishing assembly spraying mechanism adjustment mechanism with running gear's input with driving motor's output links to each other.
Preferably, the adjusting mechanism comprises an adjusting bevel gear fixedly connected with the output end of the driving motor, and further comprises a threaded pipe penetrating through the side wall of the casing, a threaded rod is arranged in the threaded pipe in a matched mode, one end of the threaded rod extends out of the threaded pipe and then is fixedly provided with a connecting frame, a connecting rod is hinged to the connecting frame, the free end of the connecting rod is hinged to the supporting travelling mechanism, an adjusting bevel gear ring is sleeved on the threaded pipe, the adjusting bevel gear ring is connected with the threaded pipe through a torsion assembly, and the adjusting bevel gear ring is meshed with the adjusting bevel gear.
The setting can realize the regulation and the fixed of stay tube supporting angle like this, can polish the drag reduction processing to the heat preservation pipeline of different diameters, application scope is wide.
Preferably, the running gear includes supporting component and drive assembly, the supporting component includes two are fixed the mounting bracket of casing outer wall, two the mounting bracket is followed adjustment mechanism symmetric distribution articulated on the mounting bracket has the stay tube the fixed running gear that is provided with of free end of stay tube, the walking is put up to rotate and is installed the walking wheel, fixed being provided with the second helical gear on the walking wheel, in one of them the stay tube internal rotation is provided with the pivot, the fixed third bevel gear that is provided with of one end of pivot, just the second helical gear with third bevel gear intermeshing.
The support tubes which are symmetrically distributed can lead the stress of the shell to be more balanced, and the shell can be supported more stably.
Preferably, the transmission assembly comprises a planetary reducer, a sun gear of the planetary reducer is fixedly connected with the output end of the driving motor, an outer gear ring sleeved outside the sun gear is rotationally embedded into the inner wall of the shell, planetary gears between the sun gear and the outer gear ring are mutually connected through a planet carrier, the planet carrier is fixedly connected with the inner wall of the shell, a walking bevel gear ring is fixedly arranged on the outer gear ring, a connecting shaft penetrates through the side wall of the shell on one side of the walking bevel gear ring, a first bevel gear is fixedly arranged at one end of the connecting shaft, the first bevel gear is meshed with the walking bevel gear ring, and the other end of the connecting shaft is connected with the other end of the rotating shaft through a finger-type coupler.
So set up, can adjust driving motor's rotational speed through planetary reducer, output after will reducing the rotational speed, ensured spraying and polishing effect, increased the moment of torsion of walking wheel after reducing the rotational speed simultaneously.
Preferably, a partition plate is fixedly arranged in the casing, the partition plate divides the casing into a power bin and a paint bin, the driving motor is positioned in the power bin, gearboxes are respectively arranged on two sides of the driving motor, one of the gearboxes is fixed on the partition plate, the other gearbox is fixed on the inner wall of the casing, the driving motor is a double-shaft motor and is respectively connected with two gearbox input ends through an output shaft, one of the output ends of the gearboxes is connected with the polishing assembly, and the other output end of the gearboxes is connected with the spraying mechanism.
So set up, carry out the branch storehouse in to the casing and can effectively protect the part in the casing, can also realize carrying to the coating, it is more convenient to use.
Preferably, the polishing assembly comprises a plurality of second cylinders fixedly arranged at the output end of the gearbox, and polishing blocks are fixedly arranged at the output ends of the second cylinders.
By the arrangement, the heat-insulating pipeline can be polished, and the smoothness of the inner coating surface of the heat-insulating pipeline is improved.
Preferably, the spraying mechanism comprises a spraying pump, a rotary joint, an air pump, a constant pressure tank and a heater, wherein the spraying pump is fixed in the coating bin, the input end of the spraying pump is connected with a liquid inlet pipe, the free end of the liquid inlet pipe is provided with a filter head, the rotary joint is fixed on a shell, the input end is communicated with the output end of the spraying pump, the rotary joint and the spraying pump are both connected with the output end of the gearbox on a baffle through a transmission shaft, a first air cylinder is fixedly arranged on the rotary joint, the output end of the first air cylinder is fixedly provided with a mounting plate, a guide wheel is rotationally arranged on the mounting plate, a nozzle and a drying pipe are arranged on the mounting plate, one ends of the two spiral pipes are connected with the rotary joint, the other ends of the spiral pipes are respectively connected with the nozzle and the drying pipe, the air pump, the constant pressure tank and the heater are both fixedly connected with the shell, the air pump is fixedly provided with a gear, the air pump is fixedly connected with the output end of the air cylinder, the constant pressure tank is meshed with the output end of the air pump, and the air pump is respectively connected with the output end of the air cylinder, and the constant pressure tank is meshed with the output end of the air pump.
So set up, the spraying to the coating can be realized to the spraying pump, and the air pump not only can provide power for the cylinder, can also shunt to the heater, makes the heater dry the coating after heating the air current to the spraying.
Preferably, the rotary joint comprises a fixed ring fixedly connected with the casing, an input hole and a connecting groove are formed in the fixed ring, the connecting groove is located on the inner side wall of the fixed ring and is communicated with the input hole, a rotary table is inserted in the fixed ring in a rotary mode, the rotary table is connected with the transmission shaft, an output hole is formed in the rotary table, and one end of the output hole is kept connected with the input hole through the connecting groove.
By means of the arrangement, continuous output of the paint and the heating air flow can be ensured through the rotary joint, and stable operation of the equipment is ensured.
Preferably, the finger-type coupler comprises a lower connecting piece, a lower rotating disk is arranged on the lower connecting piece in a rotating manner, a plurality of lower connecting teeth are uniformly arranged on the lower rotating disk along the circumferential direction, an upper connecting piece is further hinged on the lower connecting piece, an upper rotating disk is arranged on the upper connecting piece in a rotating manner, a plurality of upper connecting teeth are fixedly arranged on the upper rotating disk, the number of the upper connecting teeth is the same as the number of the lower connecting teeth, and when the lower rotating disk is coaxial with the upper rotating disk, the upper connecting teeth and the lower connecting teeth are alternately inserted.
The arrangement can enable the supporting tube to have a larger rotating angle through the finger-type coupler, so that the device can adapt to pipelines with different sizes, and meanwhile, stable power transmission is ensured.
Preferably, the number of the adjusting mechanisms and the number of the travelling mechanisms are at least three, and the three adjusting mechanisms and the three travelling mechanisms are uniformly distributed around the axis of the casing.
By the arrangement, the fixed shell is ensured to be positioned on the axis of the heat preservation pipeline.
The invention has the advantages and positive effects that:
1. according to the invention, at least three groups of supporting travelling mechanisms are arranged on the shell, and the expansion angles of the supporting travelling mechanisms are adjusted through the supporting adjusting structure so as to match internal spraying and polishing processing of pipelines with different diameters.
2. The invention reduces the high rotation speed of the motor according to a proportion through the planetary reduction mechanism and is connected with the supporting and traveling mechanism through the finger-shaped coupler, thereby realizing the driving of the supporting and traveling mechanism, leading the supporting and traveling mechanism to drive the device to move in the pipeline, and leading the angle adjusting range of the finger-shaped coupler to be large, and meeting the power transmission of the supporting and traveling mechanism in pipelines with different diameters.
3. According to the invention, the supporting and adjusting structure is driven to adjust the supporting travelling mechanism through the cooperation of the threaded pipe and the threaded rod, the self-locking function of the threaded rod and the threaded pipe is utilized to fix the adjusted position, and the running safety and stability are ensured.
4. According to the invention, the gearbox is driven to rotate by the driving motor, the rotation of the motor is reduced according to the proportion by the gearbox, so that the spraying and polishing speeds are matched with the walking speeds, the coating with the heat insulation and corrosion prevention functions is sprayed on the inner wall of the pipeline by the spraying mechanism, the surface of the coating is trimmed by the polishing assembly, the smoothness of the inner wall of the pipeline is improved, the running resistance in the pipeline is reduced, the heat insulation and corrosion prevention coating can further protect the pipeline, the corrosion of medium in the pipeline to the pipeline is reduced, and the service life of the pipeline is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is an isometric view of the overall structure of a drag reducing and polishing device in a thermal insulation pipeline with self-adaptive function according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of a casing of a drag reducing polishing device with self-adaptive function in a thermal insulation pipeline according to the present invention;
FIG. 3 is a schematic view of a connection structure of a drag reducing polishing device in a thermal insulation pipeline with self-adapting function, wherein the deflection angle of the finger-type coupling is larger than zero;
FIG. 4 is a schematic view of a connection structure of a drag reducing polishing device in a thermal insulation pipeline with self-adapting function, wherein the deflection angle of the finger-type coupling is equal to zero;
FIG. 5 is a schematic view of a planetary carrier structure of a drag reducing and polishing device with self-adaptive function in a thermal insulation pipeline according to the present invention;
FIG. 6 is a schematic diagram of the position structure of a walking helical gear ring of the drag reducing and polishing device in a heat preservation pipeline with a self-adapting function;
FIG. 7 is a schematic diagram of the internal structure of a rotating structure of a drag reducing polishing device in a thermal insulation pipeline with self-adapting function according to the present invention;
FIG. 8 is an enlarged view of the structure at A in FIG. 2;
FIG. 9 is an enlarged view of the structure at B in FIG. 2;
FIG. 10 is an enlarged view of the structure at C in FIG. 2;
FIG. 11 is an enlarged view of the structure at D in FIG. 2;
fig. 12 is a schematic view showing the connection structure of the constant pressure tank and the heater with the rotary joint according to the present invention.
The reference numerals are explained as follows:
1. a housing; 2. a driving motor; 3. an output shaft; 4. a gearbox; 5. a sun gear; 6. a planet wheel; 7. an outer ring gear; 8. a walking oblique toothed ring; 9. a first helical gear; 10. a connecting shaft; 11. a mounting frame; 12. a finger-type coupling; 121. a lower connecting piece; 122. a lower rotating disc; 123. a lower connecting tooth; 124. an upper connecting piece; 125. an upper rotating disc; 126. an upper connecting tooth; 13. a support tube; 14. a planet carrier; 15. a walking frame; 16. a walking wheel; 17. a second helical gear; 18. a third bevel gear; 19. a rotating shaft; 20. adjusting the bevel gear ring; 21. a threaded tube; 22. a threaded rod; 23. a connecting frame; 24. a connecting rod; 25. an air pump; 26. adjusting the bevel gear; 27. an inflation gear; 28. a constant pressure tank; 29. a filter head; 30. a drying tube; 31. a partition plate; 32. a power bin; 33. a coating bin; 34. a spray pump; 35. a liquid inlet pipe; 36. a first cylinder; 37. a mounting plate; 38. a guide wheel; 39. a nozzle; 40. a spiral tube; 41. a second cylinder; 42. polishing the block; 43. a transmission shaft; 44. a rotary joint; 441. a fixing ring; 442. a rotary table; 443. a connecting groove; 444. an input hole; 445. an output aperture; 45. a heater; 46. and a torsion assembly.
Detailed Description
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention is further described below with reference to the accompanying drawings:
example 1: as shown in fig. 1-11, a drag reduction polishing device with self-adaptive function in a heat insulation pipeline, which comprises a casing 1 and a driving motor 2, wherein the driving motor 2 is positioned in the casing 1, and is characterized in that: set up adjustment mechanism and running gear on the casing 1, running gear is used for supporting casing 1 and drives casing 1 and remove, adjustment mechanism's output links to each other with running gear for adjust running gear, rotate in casing 1's one end and be provided with spraying mechanism, spraying mechanism is used for spraying drag reduction coating to the pipeline inner wall, and the other end rotates and is provided with the subassembly of polishing, and the subassembly of polishing is used for polishing drag reduction coating, and the input of subassembly of polishing, spraying mechanism, adjustment mechanism and running gear links to each other with driving motor 2's output.
Specifically, adjustment mechanism includes the regulation helical gear 26 with driving motor 2 output fixed connection, still include the screwed pipe 21 that runs through the setting on the casing 1 lateral wall, the matching is provided with threaded rod 22 in the screwed pipe 21, the one end of threaded rod 22 stretches out the fixed link 23 that is provided with from screwed pipe 21, it has connecting rod 24 to articulate on the link 23, the free end of connecting rod 24 is articulated with supporting running gear, still the cover is equipped with on screwed pipe 21 and adjusts oblique toothed ring 20, adjust oblique toothed ring 20 and screwed pipe 21 and link to each other through torsion subassembly 46, and adjust oblique toothed ring 20 and adjust helical gear 26 intermeshing, so set up can realize the regulation and the fixed to stay tube 13 supporting angle, can polish the drag reduction processing to the heat preservation pipeline of different diameters, the application scope is wide.
Specifically, running gear includes supporting component and drive assembly, supporting component includes two mounting brackets 11 of fixing at casing 1 outer wall, two mounting brackets 11 follow adjustment mechanism symmetric distribution, articulated have stay tube 13 on mounting bracket 11, the fixed running carriage 15 that is provided with in the free end of stay tube 13, the rotation is installed on running carriage 15 and is taken turns 16, the fixed second helical gear 17 that is provided with on the running carriage 16, be provided with pivot 19 in the rotation of one of them stay tube 13, the fixed third helical gear 18 that is provided with of one end of pivot 19, and second helical gear 17 and third helical gear 18 intermeshing, so set up the stay tube 13 of symmetric distribution can make casing 1 atress more balanced, can be more stable with the casing 1 support.
As shown in fig. 2, 5 and 6, the transmission assembly comprises a planetary reducer, the sun gear 5 of the planetary reducer is fixedly connected with the output end of the driving motor 2, the outer gear ring 7 sleeved outside the sun gear 5 is rotationally embedded into the inner wall of the casing 1, the planet gears 6 between the sun gear 5 and the outer gear ring 7 are connected with each other through the planet carrier 14, the planet carrier 14 is fixedly connected with the inner wall of the casing 1, the outer gear ring 7 is fixedly provided with a walking bevel gear ring 8, the side wall of the casing 1 on one side of the walking bevel gear ring 8 is penetrated with a connecting shaft 10, one end of the connecting shaft 10 is fixedly provided with a first bevel gear 9, the first bevel gear 9 is meshed with the walking bevel gear ring 8, and the other end of the connecting shaft is connected with the other end of the rotating shaft 19 through the finger-type coupler 12, so that the rotating speed of the driving motor 2 can be adjusted through the planetary reducer, the output after the rotating speed is reduced, the spraying and polishing effects are ensured, and the torque of the walking wheel 16 is increased after the rotating speed is reduced.
Specifically, still fixedly provided with baffle 31 in casing 1, baffle 31 separates casing 1 into power storehouse 32 and coating storehouse 33, driving motor 2 is located power storehouse 32, be provided with gearbox 4 respectively in driving motor 2 both sides, one of them gearbox 4 is fixed on baffle 31, and another gearbox 4 is fixed on casing 1 inner wall, driving motor 2 is biax motor, and link to each other with two gearbox 4 input respectively through output shaft 3, the output of one of them gearbox 4 links to each other with the subassembly of polishing, the output of another gearbox 4 links to each other with spraying mechanism, set up so and divide the storehouse in to casing 1 and carry out effective protection to the part in the casing 1, can also realize carrying to the coating, it is more convenient to use.
As shown in fig. 1, 2 and 11, the spraying mechanism comprises a spraying pump 34, a rotary joint 44, an air pump 25, a constant pressure tank 28 and a heater 45, wherein the spraying pump 34 is fixed in a coating bin 33, the input end of the spraying pump 34 is connected with a liquid inlet pipe 35, the liquid inlet pipe 35 is a flexible hose, the free end of the liquid inlet pipe 35 is provided with a filter head 29, the filter head 29 is made of metal, the weight is large, the cooperation of the flexible inlet pipe and the filter head 29 made of metal can ensure that the spraying pump 34 can suck coating no matter any rotation of a shell 1, the rotary joint 44 is fixed on the shell 1, the input end of the rotary joint 44 is communicated with the output end of the spraying pump 34, the rotary joint 44 and the spraying pump 34 are connected with the output end of a gearbox 4 on a baffle 31 through a transmission shaft 43, the output end of the first air cylinder 36 is fixedly arranged on the rotary joint 44, the output end of the first air cylinder 36 is fixedly provided with a mounting plate 37, the guide wheel 38 is rotatably arranged on the mounting plate 37, the nozzle 39 and the drying pipe 30 are arranged on the mounting plate 37 at one side of the guide wheel 38, the spiral pipes 40 are sleeved on the first cylinder 36, one ends of the two spiral pipes 40 are connected with the rotary joint 44, the other ends of the two spiral pipes 40 are connected with the nozzle 39 and the drying pipe 30 respectively, the air pump 25, the constant pressure tank 28 and the heater 45 are arranged in the shell 1, the air pump 25 is fixedly connected with the inner wall of the shell 1, the air pump 25 is fixedly provided with the air charging gear 27 at the input end, the air charging gear 27 is meshed with the adjusting bevel gear 26, the output end of the air pump 25 is connected with the input end of the constant pressure tank 28, the output end of the constant pressure tank 28 is connected with the heater 45, the first cylinder 36 and the second cylinder 41 respectively, and the output end of the heater 45 is connected with the input end of the rotary joint 44, the spray pump 34 is arranged in such a way that the spray coating can be sprayed, the air pump 25 not only can provide power for the air cylinder, but also can split the air flow to the heater 45, so that the heater 45 heats the air flow and then dries the sprayed coating.
As shown in fig. 5, 6 and 12, in this embodiment, three branch air pipes are connected to the output end of the constant pressure tank 28, and three planetary gears 6 meshed with the outer gear ring 7 are connected to the casing 1 through the planet carrier 14, so that the positions of the three planetary gears 6 do not change when rotating, and therefore, a first branch air pipe passes through between two planetary gears 6 in the outer gear ring 7 and then is connected to a second air cylinder 41 at the output end of the gearbox 4; the second branch air pipe is connected with the input end of the heater 45, the output end of the heater 45 is also connected with an air pipe, the air pipe connected with the output end of the heater 45 is connected with a rotary joint 44 at the output end of the spraying pump 34 after passing through the partition plate 31, and the heater 45 is communicated with the drying pipe 30 through the rotary joint 44; the third branch air pipe directly passes through the partition plate 31 and then is connected with a rotary joint 44 at the output end of the spraying pump 34, the mutual communication between the constant pressure tank 28 and the first air cylinder 36 is realized through the rotary joint 44, in order to avoid the leakage of the coating in the coating bin 33, the joint of the second branch air pipe and the third branch air pipe and the partition plate 31 is sealed, and the second branch air pipe and the third branch air pipe passing through the partition plate 31 are attached to the inner wall of the coating bin 33.
Wherein in order to ensure that the three branch air pipes are all hard pipelines, the shape of the pipeline can be kept unchanged after the pipeline is shaped, the normal work of the planetary gears 6 and the outer gear ring 7 can not be interfered after the first branch air pipe passes through between the two planetary gears 6, the second branch air pipe and the third branch air pipe can avoid mutual interference with the liquid inlet pipe 35,
as shown in fig. 1, 2 and 12, the polishing assembly comprises a plurality of second cylinders 41 fixedly arranged at the output end of the gearbox 4, and polishing blocks 42 are fixedly arranged at the output ends of the second cylinders 41, so that the heat-insulating pipeline can be polished, and the smoothness of the inner coating surface of the heat-insulating pipeline is improved.
Specifically, since the plurality of second cylinders 41 at the output end of the gearbox 4 continuously rotate under the driving of the gearbox 4, in order to enable the constant pressure tank 28 to be connected with the second cylinders 41, a rotary joint 44 is also arranged on one side of the gearbox 4, the output end of the gearbox 4 is connected with the rotary joint 44, and a rotary table 442 of the rotary joint 44 can be driven to rotate, and the second cylinders 41 are mounted on the rotary table 442, so that the rotary table 442 can drive the second cylinders 41 to rotate after rotating, and polishing of the inner wall of a pipeline are achieved through polishing blocks 42 on the second cylinders 41.
As shown in fig. 7, the rotary joint 44 includes a fixed ring 441 fixedly connected to the casing 1, the fixed ring 441 is provided with an input hole 444 and a connection slot 443, the connection slot 443 is located on the inner side wall of the fixed ring 441, the connection slot 443 is communicated with the input hole 444, a rotary table 442 is inserted into the fixed ring 441 in a rotary manner, the rotary table 442 is connected to the transmission shaft 43, an output hole 445 is formed in the rotary table 442, and one end of the output hole 445 is connected to the input hole 444 through the connection slot 443, so that continuous output of paint and heating air flow can be ensured through the rotary joint 44, and stable operation of the device is ensured.
As shown in fig. 3, fig. 4 and fig. 9, the finger-type coupling 12 comprises a lower connecting piece 121, a lower rotating disk 122 is rotatably arranged on the lower connecting piece 121, a plurality of lower connecting teeth 123 are uniformly arranged on the lower rotating disk 122 along the circumferential direction, an upper connecting piece 124 is hinged on the lower connecting piece 121, an upper rotating disk 125 is rotatably arranged on the upper connecting piece 124, a plurality of upper connecting teeth 126 are fixedly arranged on the upper rotating disk 125, the plurality of upper connecting teeth 126 are the same as the plurality of lower connecting teeth 123, and the upper connecting teeth 126 and the lower connecting teeth 123 are alternately inserted when the lower rotating disk 122 and the upper rotating disk 125 are coaxial, so that the support tube 13 can have larger rotating angles through the finger-type coupling 12, and the finger-type coupling can adapt to pipelines of different sizes, and meanwhile ensures stable power transmission.
Specifically, adjustment mechanism and running gear all are three at least, and three adjustment mechanism and three running gear all around the axis evenly distributed of casing 1, so set up the casing 1 after having ensured to fix and can be in on the axis of heat preservation pipeline.
The working procedure of this embodiment is: before use, the device is in an initial state, in which the threaded rod 22 is completely retracted into the threaded tube 21, the connecting rod 24 pushes the supporting tube 13 to be parallel to the axis of the casing 1, then the device is integrally placed into a heat insulation pipeline, then the driving motor 2 is started, because the driving motor 2 is a double-shaft motor, and the adjusting bevel gear 26 and the sun gear 5 are fixedly arranged on the output shaft 3, when the driving motor 2 is started, the output shaft 3 starts to rotate, the adjusting bevel gear 26 is driven to rotate, the adjusting bevel gear 26 drives the meshed adjusting bevel gear 20 to rotate, the adjusting bevel gear 20 is connected with the threaded tube 21 through the torsion component 46, the torsion component 46 adopts a torsion adjusting device similar to an electric wrench, and when the received maximum torsion does not exceed the maximum value set by the torsion component 46, the load can be driven to rotate, when the torque exceeds the maximum value, the connection between the driving end and the load is disconnected, so that the threaded pipe 21 is driven to rotate when the inclined toothed ring 20 is regulated to rotate, the threaded rod 22 is driven to extend out of the threaded pipe 21 by the rotated threaded pipe 21, the connecting rod 24 drives the support pipe 13 to rotate along the mounting frame 11 along with the extension of the threaded rod 22 until the travelling wheel 16 on the support is contacted with the inner wall of the heat-preserving pipe, the connecting rod 24 can not pull the support pipe 13 to move after the travelling wheel 16 is contacted with the inner wall of the heat-preserving pipe, the threaded rod 22 stops moving under the support of the two connecting rods 24, the rotation of the threaded pipe 21 is limited after the threaded rod 22 stops moving, the inclined toothed ring 20 is regulated to continuously rotate under the drive of the inclined toothed ring 26 at the moment, the threaded pipe 21 stops rotating, the acting force transmitted to the torque component 46 is increased, after the acting force exceeds the maximum value set by the torsion assembly 46, the torsion assembly 46 breaks the connection between the threaded pipe 21 and the adjusting bevel gear ring 20, at this time, the adjusting bevel gear ring 20 keeps rotating, the threaded pipe 21 does not rotate, the continuously rotating adjusting bevel gear ring 20 can continuously apply the acting force to the torsion assembly 46, loosening of the threaded rod 22 and the threaded pipe 21 is effectively prevented, and the casing 1 can be stably fixed on the axis of the heat insulation pipeline.
The output shaft 3 drives the adjusting bevel gear 26 to rotate and simultaneously drives the adjusting bevel gear 26 to rotate through the meshed inflating gear 27, the inflating gear 27 inflates the constant pressure tank 28 through the air pump 25 after rotating, when the gas inflated in the constant pressure tank 28 reaches the set pressure, the gas exceeding the set pressure is discharged, and the output end of the constant pressure tank 28 is connected with the first air cylinder 36, the second air cylinder 41 and the heater 45, so that when the air pipe from the constant pressure tank 28 to the first air cylinder 36 is connected through a switch, the first air cylinder 36 stretches to push the positioning plate to move until the guide wheel 38 on the positioning plate contacts with the inner wall of the heat preservation pipeline; when the air pipe from the constant pressure tank 28 to the second air cylinder 41 is connected, the second air cylinder 41 stretches to push the grinding block 42 to be in contact with the inner wall of the heat insulation pipeline, and when the air pipe from the constant pressure tank 28 to the heater 45 is connected, air flows through the heater 45 and is heated when the air flows through the hot air, the heated air enters the rotary joint 44 through the input hole 444 and flows out of the output hole 445 and then flows out of the drying pipe 30 through the spiral pipe 40, wherein a flow rate control valve is arranged on the air pipe between the constant pressure tank 28 and the heater 45 so as to control the flow rate of the air flowing into the heater 45, so as to avoid the high-pressure air in the constant pressure tank 28 from being lost too quickly.
Then paint to be sprayed on the inner wall of the heat insulation pipeline is poured into the paint bin 33, and as the spraying pump 34 and the rotary joint 44 are connected with the output end of the gearbox 4 on the partition plate 31 through the transmission shaft 43, when the output shaft 3 rotates and drives the gearbox 4 to rotate, the transmission shaft 43 drives the spraying pump 34 and the rotary table 442 on the rotary joint 44 to rotate, the rotary table 442 drives the first air cylinder 36 to rotate after rotating, and the nozzle 39 and the drying pipe 30 rotate together after the first air cylinder 36 rotates; simultaneously, the spraying pump 34 can also rotate under the drive of the transmission shaft 43, the paint in the paint bin 33 is sucked through the liquid inlet pipe 35 and finally sprayed out of the nozzle 39 through the rotary joint 44 and the conveying of the spiral pipe 40, the sprayed paint can be attached to the inner wall of the heat-preserving pipeline, then the heated air flow can be blown out by the drying pipe 30, and the paint on the pipe wall is dried to form a coating.
Meanwhile, the output shaft 3 drives the sun gear 5 of the planetary reducer to rotate, the planet gear 6 of the planetary reducer is arranged on the planet carrier 14, the planet carrier 14 is fixed on the shell 1, so that the sun gear 5 rotates and then drives the planet gear 6 to rotate, the planet gear 6 rotates and then drives the meshed gear ring to rotate, the walking bevel gear ring 8 fixed on the gear ring rotates after the gear ring rotates, the meshed first bevel gear 9 rotates and then drives the finger-type coupling 12 to rotate through the connecting shaft 10, the finger-type coupling 12 drives the rotating shaft 19 in the supporting tube 13 to rotate, the rotating shaft 19 drives the third bevel gear 18 to rotate, and the second bevel gear 17 and the third bevel gear 18 fixed on the walking gear 16 are meshed with each other, so that the walking wheel 16 simultaneously rotates after the third bevel gear 18 drives the second bevel gear 17 to rotate, and the walking wheel 16 is connected with the inner wall of the heat-preserving pipeline, and then drives the shell 1 to move along the axis of the heat-preserving pipeline after the walking wheel 16 rotates.
The second cylinder 41 can push the polishing block 42 to the inner wall of the heat preservation pipeline after being extended, the polishing block 42 can rotate along with the rotation of the driving motor 2 after being attached to the inner wall of the heat preservation pipeline, meanwhile, the machine shell 1 can continuously move to drive the polishing block 42 to move, the surface of a sprayed coating is polished, the surface of the coating becomes smoother, friction between the surface of the coating and a medium is reduced, and resistance of the heat supply pipeline to operation is reduced.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (9)
1. The utility model provides a drag reduction grinding device in heat preservation pipeline with self-adaptation function, includes casing (1) and driving motor (2), driving motor (2) are located in casing (1), its characterized in that: the device comprises a shell (1), wherein an adjusting mechanism and a traveling mechanism are arranged on the shell (1), the traveling mechanism is used for supporting the shell (1) and driving the shell (1) to move, the output end of the adjusting mechanism is connected with the traveling mechanism and used for adjusting the traveling mechanism, a spraying mechanism is rotatably arranged at one end of the shell (1), the spraying mechanism is used for spraying a drag reduction coating on the inner wall of a pipeline, a polishing assembly is rotatably arranged at the other end of the shell, the polishing assembly is used for polishing the drag reduction coating, and the input ends of the polishing assembly, the spraying mechanism, the adjusting mechanism and the traveling mechanism are connected with the output end of a driving motor (2);
the walking mechanism comprises a supporting assembly and a transmission assembly, the supporting assembly comprises a supporting tube (13) rotatably arranged on the casing (1), a walking wheel (16) is rotatably arranged at the free end of the supporting tube (13), a rotating shaft (19) is rotatably arranged in the supporting tube (13), one end of the rotating shaft (19) is connected with the walking wheel (16), and the other end of the rotating shaft is connected with the transmission assembly through a finger-type coupler (12);
finger-type coupler (12) is including connecting piece (121) down, rotate on connecting piece (121) down and be provided with rotary disk (122) down, evenly be provided with a plurality of lower connection teeth (123) along circumference on rotary disk (122) down still articulate on connecting piece (121) have connecting piece (124), it is provided with rotary disk (125) to go up to rotate on connecting piece (124), it is provided with a plurality of connection teeth (126) to go up on rotary disk (125) fixedly, and a plurality of go up connection teeth (126) with a plurality of the quantity of connecting teeth (123) down is the same, works as lower rotary disk (122) with go up when rotary disk (125) are coaxial go up connection teeth (126) with alternate each other down connection teeth (123).
2. The self-adaptive drag reduction polishing device in a heat preservation pipeline according to claim 1, wherein the drag reduction polishing device is characterized in that: the adjusting mechanism comprises an adjusting bevel gear (26) fixedly connected with the output end of the driving motor (2), and further comprises a threaded pipe (21) penetrating through the side wall of the casing (1), a threaded rod (22) is arranged in the threaded pipe (21) in a matching manner, one end of the threaded rod (22) extends out of the threaded pipe (21) and is fixedly provided with a connecting frame (23), a connecting rod (24) is hinged to the connecting frame (23), the free end of the connecting rod (24) is hinged to the supporting and traveling mechanism, an adjusting bevel gear ring (20) is sleeved on the threaded pipe (21), the adjusting bevel gear ring (20) is connected with the threaded pipe (21) through a torsion assembly (46), and the adjusting bevel gear ring (20) is meshed with the adjusting bevel gear (26).
3. The self-adaptive drag reduction polishing device in a heat preservation pipeline according to claim 1, wherein the drag reduction polishing device is characterized in that: the support assembly further comprises two mounting frames (11) fixed on the outer wall of the casing (1), the two mounting frames (11) are symmetrically distributed along the adjusting mechanism, the support tube (13) is rotationally connected with the casing (1) through the mounting frames (11), a walking frame (15) is fixedly arranged at the free end of the support tube (13), the walking wheel (16) is rotationally arranged at the free end of the support tube (13) through the walking frame (15), a second bevel gear (17) is fixedly arranged on the walking wheel (16), a third bevel gear (18) is fixedly arranged on the rotating shaft (19), and the second bevel gear (17) is meshed with the third bevel gear (18).
4. A drag reducing and polishing device in a heat preservation pipeline with self-adapting function according to claim 3, wherein: the transmission assembly comprises a planetary reducer, a sun gear (5) of the planetary reducer is fixedly connected with the output end of a driving motor (2), an outer gear ring (7) sleeved outside the sun gear (5) is rotationally embedded into the inner wall of a shell (1), planetary gears (6) between the sun gear (5) and the outer gear ring (7) are mutually connected through a planet carrier (14), the planet carrier (14) is fixedly connected with the inner wall of the shell (1), a walking bevel gear ring (8) is fixedly arranged on the outer gear ring (7), a connecting shaft (10) is arranged on the side wall of the shell (1) on one side of the walking bevel gear ring (8) in a penetrating mode, a first bevel gear (9) is fixedly arranged at one end of the connecting shaft (10), the first bevel gear (9) is meshed with the walking bevel gear ring (8), and the other end of the connecting shaft (10) is connected with a finger-type coupler (12).
5. The drag reduction polishing device with self-adaptive function in a heat preservation pipeline according to claim 2, wherein: still fixedly in casing (1) be provided with baffle (31), baffle (31) will the casing (1) internal separation is power storehouse (32) and coating storehouse (33), driving motor (2) are located in power storehouse (32) driving motor (2) both sides are provided with gearbox (4) respectively, one of them gearbox (4) is fixed on baffle (31), and another gearbox (4) are fixed on casing (1) inner wall, driving motor (2) are biax motor, and through output shaft (3) respectively with two gearbox (4) input links to each other, one of them gearbox (4) output with the subassembly of polishing links to each other, another gearbox (4) output with spraying mechanism links to each other.
6. The self-adaptive drag reduction polishing device in a heat preservation pipeline according to claim 5, wherein the drag reduction polishing device is characterized in that: the polishing assembly comprises a plurality of second cylinders (41) fixedly arranged at the output ends of the gearbox (4), and polishing blocks (42) are fixedly arranged at the output ends of the second cylinders (41).
7. The self-adaptive drag reduction polishing device in a heat preservation pipeline according to claim 6, wherein the drag reduction polishing device is characterized in that: the spraying mechanism comprises a spraying pump (34), a rotary joint (44), an air pump (25), a constant pressure tank (28) and a heater (45), wherein the spraying pump (34) is fixed in a Tu Liaocang (33), the input end of the spraying pump (34) is connected with a liquid inlet pipe (35), the free end of the liquid inlet pipe (35) is provided with a filter head (29), the rotary joint (44) is fixed on a shell (1), the input end is communicated with the output end of the spraying pump (34), the rotary joint (44) and the spraying pump (34) are connected with the output end of a gearbox (4) on a partition board (31) through a transmission shaft (43), a first air cylinder (36) is fixedly arranged on the rotary joint (44), the output end of the first air cylinder (36) is fixedly provided with a mounting plate (37), a guide wheel (38) is rotatably arranged on the mounting plate (37) on one side of the guide wheel (38), a nozzle (39) and a drying pipe (30) are arranged on the mounting plate (37), the first air cylinder (36) is sleeved with two spiral pipes (40), the two spiral pipes (40) are connected with one end of each other in a sleeved mode, and the other end respectively with nozzle (39) with stoving pipe (30), air pump (25), constant voltage jar (28) and heater (45) all set up in casing (1), air pump (25) with casing (1) inner wall fixed connection the input of air pump (25) is fixed to be provided with and aerifys gear (27), aerify gear (27) with adjust helical gear (26) and mesh, the output of air pump (25) with the input of constant voltage jar (28) links to each other, the output of constant voltage jar (28) respectively with heater (45), first cylinder (36) with second cylinder (41) link to each other, just the output of heater (45) links to each other with the input of rotary joint (44).
8. The self-adaptive drag reduction polishing device in a heat preservation pipeline according to claim 7, wherein: the rotary joint (44) comprises a fixed ring (441) fixedly connected with the casing (1), an input hole (444) and a connecting groove (443) are formed in the fixed ring (441), the connecting groove (443) is formed in the inner side wall of the fixed ring (441), the connecting groove (443) is communicated with the input hole (444), a rotary table (442) is inserted into the fixed ring (441) in a rotary mode, the rotary table (442) is connected with the transmission shaft (43), an output hole (445) is formed in the rotary table (442), and one end of the output hole (445) is connected with the input hole (444) through the connecting groove (443).
9. The self-adaptive drag reduction polishing device in a heat preservation pipeline according to claim 1, wherein the drag reduction polishing device is characterized in that: the number of the adjusting mechanisms and the number of the travelling mechanisms are at least three, and the three adjusting mechanisms and the three travelling mechanisms are uniformly distributed around the axis of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310935688.1A CN116652720B (en) | 2023-07-28 | 2023-07-28 | Drag reduction grinding device in heat preservation pipeline with self-adaptation function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310935688.1A CN116652720B (en) | 2023-07-28 | 2023-07-28 | Drag reduction grinding device in heat preservation pipeline with self-adaptation function |
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| CN116652720A true CN116652720A (en) | 2023-08-29 |
| CN116652720B CN116652720B (en) | 2023-09-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116945003A (en) * | 2023-09-21 | 2023-10-27 | 江苏万恒铸业有限公司 | Double-flow-channel pump body flow channel polishing equipment |
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| CN116652720B (en) | 2023-09-29 |
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