CN107020409B - Device and method for machining bionic groove surface on outer wall of pipeline - Google Patents
Device and method for machining bionic groove surface on outer wall of pipeline Download PDFInfo
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- CN107020409B CN107020409B CN201710415076.4A CN201710415076A CN107020409B CN 107020409 B CN107020409 B CN 107020409B CN 201710415076 A CN201710415076 A CN 201710415076A CN 107020409 B CN107020409 B CN 107020409B
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- 238000003754 machining Methods 0.000 title claims description 17
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- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000003672 processing method Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 128
- 238000009434 installation Methods 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000011253 protective coating Substances 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 239000003345 natural gas Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
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- 238000005265 energy consumption Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
- 235000001968 nicotinic acid Nutrition 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
- B23C3/34—Milling grooves of other forms, e.g. circumferential
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/16—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine controlled in conjunction with the operation of the tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/28—Electric drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2701/00—Members which are comprised in the general build-up of a form of the machine
- B23Q2701/02—Movable or adjustable work or tool supports for milling machines, their drive, control or guiding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
A device for processing the surface of a bionic groove on the outer wall of a pipeline and a processing method thereof comprise a driving mechanism for providing driving force, a supporting seat for connecting the driving mechanism with a supporting processing mechanism, a processing mechanism for processing the bionic groove on the outer wall of the pipeline and a controller, wherein a first supporting table and a second supporting table are arranged above the supporting seat, and the first supporting table and the second supporting table are coaxially and symmetrically arranged at two ends of the supporting seat; the driving mechanism is arranged below the supporting seat; the processing mechanism clamp is arranged between the first support table and the second support table; the driving mechanism and the processing mechanism are electrically connected with corresponding control ends of the controller; the processing method comprises the following steps: firstly, placing and adjusting the position of the device, starting a driving motor, adjusting the driving motor to a proper position and then closing the driving motor; and adjusting the position of the cutter by adjusting the air pressure control device to start cutting. The invention has the beneficial effects that: simple structure, easy operation can process out bionical groove structure on pipeline outer wall protective coating surface.
Description
Technical Field
The invention relates to a device and a method for processing a bionic groove surface on the outer wall of a pipeline.
Background
With the rapid development of science and technology and the remarkable improvement of ocean strategic position, the step of developing ocean resources by human beings is faster and faster. The vast sea contains abundant petroleum and natural gas resources, and with the rapid development of national economy, the pipeline transportation amount of fuels such as petroleum, natural gas and the like in the sea bottom is increased day by day, and the pipeline additionally arranged is increased year by year. Due to long-term exposure to complex and variable marine environments and simultaneous exposure to seawater impact, pipelines may suffer from various forms of damage such as over-yielding, fatigue damage, brittle fracture, and instability and corrosion, and may also increase pipeline resistance. The increase of the pipeline resistance also increases the energy consumption of petroleum and natural gas pipeline transportation, reduces the efficiency, seriously wears the pipeline wall surface and shortens the service life of the pipeline.
The bionic drag reduction technology is a new hotspot for research in the drag reduction field, and the drag reduction effect of the bionic drag reduction technology is widely accepted. The bionic drag reduction structure is processed on the surface of the pipeline by utilizing the bionics principle, so that the resistance of the pipeline can be greatly reduced, the pressure pulsation of the outer wall of the pipeline is reduced, and the drag reduction effect is achieved. Meanwhile, the contact area of the outer wall of the pipeline is increased, so that the antirust and anticorrosive paint coated on the outer wall of the pipeline can fully play a role. Therefore, the research on the method and the processing equipment for processing the bionic drag reduction structure on the outer wall of the pipeline has important significance for the drag reduction, energy conservation and the development of related industries. Therefore, in order to solve the technical problems, according to the structural characteristics of the conveying pipeline of the fuel such as petroleum, natural gas and the like, the invention provides the device for processing the bionic groove surface on the outer wall of the pipeline on the basis of analyzing and summarizing the structural characteristics of the drag reduction of the biological surface and the existing processing method, so that the energy consumption can be reduced, and the economic benefit of pipeline conveying can be improved; meanwhile, the pollution emission is reduced, and the environmental benefit is improved.
Disclosure of Invention
The invention aims to provide a device and a method for processing the bionic groove surface of the outer wall of a pipeline, which have the advantages of simple structure and easy operation and can process the bionic groove structure on the surface of a protective coating of the outer wall of the pipeline.
The invention relates to a pipeline outer wall bionic groove surface processing device which comprises a driving mechanism for providing driving force, a supporting seat for connecting the driving mechanism with a supporting processing mechanism, a processing mechanism for processing a bionic groove on the outer wall of a processed pipeline and a controller, wherein a first supporting table and a second supporting table are arranged above the supporting seat, the first supporting table and the second supporting table are coaxially and symmetrically arranged at two ends of the supporting seat, and an installation area for installing a part of a workpiece of the processing mechanism is reserved between the first supporting table and the second supporting table; the driving mechanism is arranged below the supporting seat; the processing mechanism clamp is arranged between the first support table and the second support table; the driving mechanism and the processing mechanism are electrically connected with corresponding control ends of the controller;
the driving device comprises a driving motor, a bearing shaft, a first transmission gear set, an input shaft, a second transmission gear set, a connecting shaft, a third transmission gear set, a transmission shaft and a roller, wherein the driving motor is arranged at the bottom of the supporting seat, an output shaft of the driving motor is connected with one end of the bearing shaft through a coupler, and the other end of the bearing shaft is meshed with a gear at one end of the input shaft through the first transmission gear set; the other end of the input shaft is meshed with a gear at one end of the connecting shaft through the second transmission gear set, and the other end of the connecting shaft is meshed with a gear of the transmission shaft through the third transmission gear set, so that the driving force of the driving motor is gradually transmitted; the two end parts of the input shaft and the output shaft are respectively provided with corresponding rollers; the control end of the driving motor is electrically connected with a corresponding control pin of the controller;
the processing mechanism comprises a processing motor, a motor bracket, a processing driving gear, a processing driven gear, a first roller, a second roller and an air pressure control device, wherein the processing motor is arranged on the motor bracket at the top of the first roller, and an output shaft of the processing motor is coaxially provided with the processing driving gear; the first roller and the second roller are respectively and coaxially arranged on the inner end faces of the first supporting table and the second supporting table, wherein a processing driven gear meshed with a processing driving gear is circumferentially arranged on the outer wall of the first roller; the two ends of the air cylinder are fixedly connected with the first roller and the second roller respectively, the air pressure control device comprises an air compressor, the air cylinder, a telescopic rod and a cutter, the air cylinder is a double-layer annular cavity, a plurality of radial through holes for the telescopic rod to penetrate through are uniformly distributed in the radial direction of the air cylinder, one end of each radial through hole is communicated with the middle gap of the double-layer annular cavity, and the other end of each radial through hole is communicated with the inner cavity of the air cylinder; the air compressor is arranged on the air cylinder, and an air outlet of the air compressor is communicated with the middle gap of the double-layer annular cavity; the telescopic rod penetrates through the radial through hole and is connected with the radial through hole in a sliding mode, and a cutter for cutting the inner wall of the pipe is installed at the inner end of the telescopic rod; and the control end of the processing motor and the control end of the air compressor are respectively and electrically connected with corresponding pins of the controller.
The first transmission gear set comprises a first transmission gear, a second transmission gear and a first sleeve, the first transmission gear is sleeved at one end of the bearing shaft and is limited to move axially by the sleeve which is also sleeved at the tail end of the bearing shaft, and the number of teeth of the first transmission gear is smaller than that of the second transmission gear; the bearing shaft is supported at the bottom of the supporting seat through a first deep groove ball bearing and a second deep groove ball bearing, and the first deep groove ball bearing and the second deep groove ball bearing limit the axial movement of the bearing shaft through a corresponding first end cover and a corresponding second end cover respectively; and two ends of the input shaft are supported at the bottom of the supporting seat through a third deep groove ball bearing and a fourth deep groove ball bearing, the third deep groove ball bearing and the fourth deep groove bearing are respectively limited to axially move through a corresponding third end cover and a corresponding fourth end cover, and a second sleeve is sleeved on the input shaft between the third deep groove ball bearing and the second transmission gear.
The second transmission gear set comprises a third transmission gear and a fourth transmission gear, the third transmission gear is sleeved at one end of the input shaft, the fourth transmission gear is sleeved at one end of the connecting shaft, the third transmission gear is meshed with the fourth transmission gear, and the third transmission gear is limited to move axially by a third sleeve; the connecting shaft is supported at the bottom of the supporting seat through a fifth deep groove ball bearing and a sixth deep groove ball bearing; a third sleeve is sleeved on the input shaft between the fourth deep groove ball bearing and the third transmission gear; and the fifth deep groove ball bearing and the sixth deep groove bearing are respectively limited by the corresponding fifth end cover and the sixth end cover to move axially.
The third transmission gear set comprises a fifth transmission gear and a sixth transmission gear, the fifth transmission gear is sleeved at one end of the connecting shaft, the sixth transmission gear is sleeved at one end of the transmission shaft and meshed with the fifth transmission gear, and the sixth transmission gear is limited to move axially by a spring retainer ring; the transmission shaft is supported at the bottom of the supporting seat through a seventh deep groove ball bearing and an eighth deep groove bearing, the transmission shaft and the input shaft are arranged in parallel, and the seventh deep groove ball bearing and the eighth deep groove bearing are respectively limited to move axially through a seventh end cover and an eighth end cover.
3 telescopic rods are uniformly arranged on the air cylinder, and the included angle between every two adjacent telescopic rods is 120 degrees; the inner of the telescopic rod is provided with a groove for clamping a cutter, and the cutter is fixedly connected with the groove through a bolt.
The processing method of the bionic groove surface processing device for the outer wall of the pipeline comprises the following steps:
1) firstly, supporting the pipeline to a proper height through an auxiliary device, and just enabling the central axis of the pipeline to coincide with the central axis of the processing mechanism;
2) starting a driving motor to rotate a big gear and a small gear, driving an input shaft, a connecting shaft and a transmission shaft to rotate simultaneously, so that four rollers rotate simultaneously, moving the whole machining device along the axis direction of the pipeline to a first position to be machined on the outer wall of the pipeline, and then closing the driving motor;
3) the air cylinder is inflated by adjusting the air pressure control system, the three telescopic rods radially extend simultaneously until the cutter is close to the surface to be processed on the outer wall of the pipeline, and the air pressure control system is closed;
4) starting a processing motor to drive the roller to rotate for a circle, starting groove processing, and closing the processing motor;
5) starting the air pressure control system to enable the air cylinder to release air, enabling the three telescopic rods to simultaneously and radially contract, enabling the cutting edge of the cutter to radially leave the machined surface, and closing the air pressure control system;
6) and repeating the operations 2) to 5), so that the continuous processing of the bionic groove in the pipeline to be processed can be realized.
The invention has the beneficial effects that: the driving mechanism adopts four-wheel drive to drive, so that the whole weight of the whole processing device can be used as the adhesion pressure, the adhesion force is obviously increased, and the traction force limit is expanded; the power of the driving motor can be transmitted to each roller respectively, namely, the driving force burden of each roller is reduced, so that enough power can be transmitted to the road surface under the condition that the friction limit of the rollers is not exceeded (no slipping occurs), and the processing device has strong motion capability and stability; meanwhile, the machining mechanism adopts three cutters to perform reverse cutting machining simultaneously, so that tangential counter force applied to the three cutters during cutting machining can be offset, bending deformation and torsional deformation are avoided, and the operation quality of the machining device is ensured. The processing device has wide range of processing pipe diameters and has good centering and positioning functions. Meanwhile, cutters in different shapes can be mounted to complete machining of the corresponding drag reduction structure, and the device is high in precision, green, environment-friendly, simple in structure and easy and convenient to operate.
Drawings
FIG. 1 is a drawing of FIG. 1 showing a three-dimensional structure according to the present invention.
Fig. 2 is a structural drawing of the driving mechanism.
FIG. 3 is a drawing showing a structure of a support table.
Fig. 4 is a structural drawing of the drum.
FIG. 5 is a drawing of the pneumatic actuator.
Detailed Description
The invention will be further explained with reference to the drawings
With reference to the accompanying drawings:
the driving device comprises a driving motor 8, a bearing shaft 33, a first transmission gear set, an input shaft 5, a second transmission gear set, a connecting shaft 14, a third transmission gear set, a transmission shaft 17 and a roller 1, wherein the driving motor 8 adopts a horizontal installation mode, two sides of the driving motor are respectively installed at the bottom of a supporting seat 18 through two bolts, an output shaft of the driving motor 8 is connected with one end of the bearing shaft 33 through a coupler 7, and the coupler 7 is uniformly fixed by 6 bolts in the circumferential direction; referring to fig. 3, two support tables are symmetrically arranged above the support seat 18 and welded with the support seat 18; the first supporting platform 19 and the second supporting platform 20 are provided with through holes in the central axis direction of the cylinder 24, and 4 rollers 28 are uniformly arranged in the circumferential direction of the through holes; wherein, the upper end of the first supporting platform 19 is provided with a motor bracket 22 which is welded on the first supporting platform 19 and used for installing a processing motor 21; the other end of the bearing shaft 33 is meshed with a gear at one end of the input shaft through a first transmission gear set; the other end of the input shaft 5 is meshed with a gear at one end of a connecting shaft through a second transmission gear set, and the other end of the connecting shaft 14 is meshed with a gear of a transmission shaft through a third transmission gear set, so that the driving force of a driving motor is gradually transmitted; the two end parts of the input shaft 5 and the transmission shaft 17 are respectively provided with corresponding rollers 1; the control end of the driving motor 8 is electrically connected with a corresponding control pin of the controller;
the processing mechanism comprises a processing motor 21, a motor bracket 22, a processing driving gear 27, a processing driven gear 261, a first roller 26, a second roller 31 and an air pressure control device, wherein the processing motor 21 is vertically installed and is fixed with the motor bracket 22 through bolts; a processing driving gear 27 is arranged on an output shaft of the processing motor 21, the processing driving gear 27 is in key connection to realize axial positioning, and the axial positioning at two sides is realized through a sleeve and a nut 11;
referring to fig. 4, the drum has two circular cylindrical structures, symmetrically arranged at two ends of the cylinder 24, and uniformly and circumferentially fixedly connected by 6 screws 25; the roller is also of a through hole structure, wherein the end face of the outer circle of the first roller 26 is of a gear-shaped structure and is meshed with a processing driving gear 27 on the output shaft of the processing motor 21; the first roller 26 and the second roller 31 are in contact with the roller 28, so that the roller is uniformly stressed; the first roller 26 and the second roller 31 are respectively and coaxially arranged on the inner end surfaces of the first support platform 19 and the second support platform 20;
referring to fig. 5, the air pressure control device includes an air compressor 23, an air cylinder 24, an expansion link 29 and a cutter 30, the air cylinder 24 has a certain wall thickness, two ends of the air cylinder 24 are fixedly connected with the first roller 26 and the second roller 31 respectively through screws 25, the air cylinder 24 is a double-layer annular cavity, a plurality of radial through holes for the expansion link to penetrate through are uniformly distributed in the radial direction of the air cylinder 24, one end of each radial through hole is communicated with the middle gap of the double-layer annular cavity, and the other end of each radial through hole is communicated with the inner cavity of the air cylinder; the air compressor 23 is arranged on a boss on the end face of the excircle of the air cylinder 24, and two ends of the air compressor are fixed through bolts; the air outlet of the air compressor 23 is communicated with the middle gap of the double-layer annular cavity; the telescopic rod 29 penetrates through the radial through hole and is connected with the radial through hole in a sliding mode, and a cutter 30 for cutting the inner wall of the pipe is installed at the inner end of the telescopic rod 29; and the control end of the processing motor 21 and the control end of the air compressor 23 are respectively and electrically connected with corresponding pins of the controller.
The first transmission gear set comprises a first transmission gear 13, a second transmission gear 3 and a first sleeve 6, the first transmission gear 13 is sleeved at one end of the bearing shaft 33 and is limited to move axially by the first sleeve 6 which is also sleeved at the tail end of the bearing shaft 33, and the number of teeth of the first transmission gear 13 is smaller than that of the second transmission gear 3; the bearing shaft 33 is in a step shape, the first transmission gear 13 is installed on the bearing shaft, the circumferential positioning of the first transmission gear 13 is realized through key connection, one end of the first transmission gear 13 is positioned through a shaft shoulder of the bearing shaft 33, and the axial positioning is realized through the first sleeve 6 at the other end; the bearing shaft 33 extends into a bearing hole of the boss, and is provided with a first deep groove ball bearing 201 and a second deep groove ball bearing 208, wherein the inner ring at one end of the first deep groove ball bearing 201 is axially positioned through the first sleeve 6, the outer ring at the other end of the first deep groove ball bearing 201 is axially positioned through a shoulder in the boss, so that the two-way axial positioning of the first deep groove ball bearing 201 is realized, the inner ring at one end of the second deep groove ball bearing 208 is positioned through the bearing shaft 33 shoulder, the other end of the second deep groove ball bearing is positioned through the second end cover 307, the second end cover 307 is uniformly fixed by 6 bolts in the circumferential direction, and the first deep groove ball bearing 201, the second deep groove ball bearing 208 and the bearing shaft; two ends of the input shaft 5 are supported at the bottom of the supporting seat 18 through a third deep groove ball bearing 202 and a fourth deep groove ball bearing 203, the third deep groove ball bearing 202 and the fourth deep groove bearing 203 are respectively limited to move axially through a corresponding third end cover 301 and a corresponding fourth end cover 302, and a second sleeve 4 is sleeved on the input shaft between the third deep groove ball bearing 202 and the second transmission gear 3; the input shaft 5 is symmetrically provided with a third deep groove ball bearing 202 and a fourth deep groove ball bearing 203 in a bearing hole penetrating through the boss, the third deep groove ball bearing 202 and the fourth deep groove ball bearing 203 are circumferentially positioned with the input shaft 5 in an interference fit manner, inner rings of one ends of the third deep groove ball bearing 202 and the fourth deep groove ball bearing 203 in the opposite directions are axially positioned through a shaft shoulder of the input shaft 5, outer rings of the other ends of the third deep groove ball bearing 202 and the fourth deep groove ball bearing 203 are axially positioned through a third end cover 301 and a fourth end cover 302 respectively, and 6 bolts are uniformly fixed on the support seat 18 in the circumferential direction of the third end cover 301 and the fourth end cover 302; the second transmission gear 3 and the third transmission gear 9 mounted on the input shaft 5 are both keyed to achieve their own circumferential positioning, and the axial positioning is achieved by the shoulder and the second sleeve 4 and the third sleeve 10.
The second transmission gear set comprises a third transmission gear 9 and a fourth transmission gear 12, the third transmission gear 9 is sleeved at one end of the input shaft 5, the fourth transmission gear 12 is sleeved at one end of the connecting shaft 14, and the third transmission gear 9 is meshed with the fourth transmission gear 12, wherein the third transmission gear 9 is limited by a third sleeve 10 to move axially; the connecting shaft 14 is supported at the bottom of the supporting seat 18 through a fifth deep groove ball bearing 204 and a sixth deep groove ball bearing 205; a third sleeve 10 is sleeved on an input shaft between the fourth deep groove ball bearing 203 and the third transmission gear 9; a fifth deep groove ball bearing 204 and a sixth deep groove ball bearing 205 are respectively arranged in bearing holes of the connecting shaft 14 penetrating through the boss, inner rings at one ends of the two bearings in opposite directions are positioned through a shaft shoulder of the connecting shaft 14, outer rings at the other ends are axially positioned through a fifth end cover 303 and a sixth end cover 304 respectively, and the fifth end cover 303 and the sixth end cover 304 are circumferentially fixed by 6 bolts; threads with certain length are arranged at two shaft ends of the connecting shaft 14, a fourth transmission gear 12 and a fifth transmission gear 15 are mounted at the two shaft ends, the fourth transmission gear 12 and the fifth transmission gear 15 are same in size and shape, are symmetrically arranged at two ends of the connecting shaft 14, and are connected through keys to realize circumferential positioning; the two opposite ends of the two gears are positioned through shaft shoulders of the connecting shaft 14, and the two opposite ends of the two gears are positioned through screwing the nuts 11.
The third transmission gear set comprises a fifth transmission gear 15 and a sixth transmission gear 16, the fifth transmission gear 15 is sleeved at one end of the connecting shaft 14, the sixth transmission gear 16 is sleeved on the transmission shaft 17, and the fifth transmission gear 15 is meshed with the sixth transmission gear 16, wherein the sixth transmission gear 16 is limited by a spring retainer ring 32 to move axially; the transmission shaft 17 is supported at the bottom of the support seat 18 through a seventh deep groove ball bearing 206 and an eighth deep groove bearing 207, the transmission shaft 17 is arranged in parallel with the input shaft 5, the seventh deep groove ball bearing 206 and the eighth deep groove bearing 207 are respectively limited by a seventh end cover 305 and an eighth end cover 306 in an axial movement manner, the transmission shaft 17 is symmetrically provided with the seventh deep groove ball bearing 206 and the eighth deep groove ball bearing 207 in a bearing hole penetrating through a boss, an inner ring at one end of the seventh deep groove ball bearing 206 and the eighth deep groove ball bearing 207 in the opposite direction is positioned through a shaft shoulder of the transmission shaft 17, an outer ring at the other end is respectively positioned through the seventh end cover 305 and the eighth end cover 306 in an axial direction, and the seventh end cover 305 and the eighth end cover 306 are circumferentially fixed by 6 bolts; meanwhile, the sixth transmission gear 16 arranged on the transmission shaft 17 is in key connection to realize circumferential positioning, and the axial positioning is realized through a shaft shoulder of the transmission shaft 17 and a spring retainer ring 32 respectively.
Four rollers 1 with the same specification are screwed on the shaft end through threads;
3 telescopic rods with the same specification are uniformly arranged on the air cylinder, and the included angle of the central angles of the adjacent telescopic rods is 120 degrees; the three telescopic rods 29 are arranged in the three through holes, the top ends of the telescopic rods 29 are provided with holes with certain depth, and one side of the axial end surface of each telescopic rod 29 is provided with a groove; when the cutter 30 is placed, the cutter 30 is inserted into the hole, and the groove is fixed by two bolts arranged in the vertical direction, so that the cutter can be prevented from rotating during cutting. And the cutter 30 is specially made, and different groove structures can be processed by installing cutters 30 with different shapes.
Embodiment 2 a method for processing a device for processing a surface of a bionic groove in an outer wall of a pipeline according to embodiment 1, comprising the steps of:
1) firstly, supporting the pipeline to a proper height through an auxiliary device, and just enabling the central axis of the pipeline to coincide with the central axis of the processing mechanism;
2) starting a driving motor 8, enabling a first transmission gear 13 to be meshed with a second transmission gear 3 to rotate, driving an input shaft 5 to rotate, enabling a third transmission gear 9 arranged on the input shaft 5 and a fourth transmission gear 12 arranged on a connecting shaft 14 to be meshed with each other to rotate, further enabling a fifth transmission gear 15 arranged on the connecting shaft 14 to be meshed with a sixth transmission gear 16 arranged on a transmission shaft 17 to rotate, enabling four rollers 1 arranged at two ends of the input shaft 5 and the transmission shaft 17 to rotate simultaneously, enabling the whole machining device to move 20mm along the axial direction of the pipeline, moving to a first position to be machined on the outer wall of the pipeline, and then closing the driving motor;
3) starting an air pressure control system to inflate the air cylinder 24, radially extending the three telescopic rods 29 by 15mm at the same time until the cutter 30 reaches the surface to be processed of the outer wall of the pipeline, and then closing the air pressure control system;
4) starting the processing motor 21, controlling the motor to rotate 120 degrees to further drive the roller to rotate 120 degrees, enabling the three cutters 30 to rotate 120 degrees around the axis of the pipeline on the outer surface of the pipeline to complete a circle of groove processing, and then closing the processing motor 21;
5) starting an air pressure control system, enabling the air cylinder 24 to release air, enabling the three telescopic rods 29 to simultaneously and radially contract for 10mm, enabling the cutting edge of the cutter 30 to radially leave the processed surface, and closing the air pressure control system;
6) and repeating the operations 2) to 5), so that the continuous processing of the bionic groove in the pipeline to be processed can be realized.
The embodiments described in this specification are merely illustrative of implementations of the inventive concept and the scope of the present invention should not be considered limited to the specific forms set forth in the embodiments but includes equivalent technical means as would be recognized by those skilled in the art based on the inventive concept.
Claims (6)
1. The utility model provides a bionical slot surface machining device of pipeline outer wall which characterized in that: the bionic groove machining device comprises a driving mechanism for providing driving force, a supporting seat for connecting the driving mechanism with a supporting machining mechanism, a machining mechanism for machining a bionic groove in the outer wall of a machining pipeline and a controller, wherein a first supporting table and a second supporting table are arranged above the supporting seat, the first supporting table and the second supporting table are coaxially and symmetrically arranged at two ends of the supporting seat, and an installation area for installing part of workpieces of the machining mechanism is reserved between the first supporting table and the second supporting table; the driving mechanism is arranged below the supporting seat; the processing mechanism is arranged between the first supporting table and the second supporting table; the driving mechanism and the processing mechanism are electrically connected with corresponding control ends of the controller;
the driving mechanism comprises a driving motor, a bearing shaft, a first transmission gear set, an input shaft, a second transmission gear set, a connecting shaft, a third transmission gear set, a transmission shaft and a roller, the driving motor is installed at the bottom of the supporting seat, an output shaft of the driving motor is connected with one end of the bearing shaft through a coupler, and the other end of the bearing shaft is meshed with a gear at one end of the input shaft through the first transmission gear set; the other end of the input shaft is meshed with a gear at one end of the connecting shaft through the second transmission gear set, and the other end of the connecting shaft is meshed with a gear of the transmission shaft through the third transmission gear set, so that the driving force of the driving motor is gradually transmitted; the two end parts of the input shaft and the output shaft are respectively provided with corresponding rollers; the control end of the driving motor is electrically connected with a corresponding control pin of the controller;
the processing mechanism comprises a processing motor, a motor bracket, a processing driving gear, a processing driven gear, a first roller, a second roller and an air pressure control device, wherein the processing motor is arranged on the motor bracket at the top of the first roller, and an output shaft of the processing motor is coaxially provided with the processing driving gear; the first roller and the second roller are respectively and coaxially arranged on the inner end faces of the first supporting table and the second supporting table, wherein a processing driven gear meshed with a processing driving gear is circumferentially arranged on the outer wall of the first roller; the two ends of the air cylinder are fixedly connected with the first roller and the second roller respectively, the air pressure control device comprises an air compressor, the air cylinder, a telescopic rod and a cutter, the air cylinder is a double-layer annular cavity, a plurality of radial through holes for the telescopic rod to penetrate through are uniformly distributed in the radial direction of the air cylinder, one end of each radial through hole is communicated with the middle gap of the double-layer annular cavity, and the other end of each radial through hole is communicated with the inner cavity of the air cylinder; the air compressor is arranged on the air cylinder, and an air outlet of the air compressor is communicated with the middle gap of the double-layer annular cavity; the telescopic rod penetrates through the radial through hole and is connected with the radial through hole in a sliding mode, and a cutter for cutting the inner wall of the pipe is installed at the inner end of the telescopic rod; and the control end of the processing motor and the control end of the air compressor are respectively and electrically connected with corresponding pins of the controller.
2. The device for processing the surface of the bionic groove on the outer wall of the pipeline as claimed in claim 1, wherein: the first transmission gear set comprises a first transmission gear, a second transmission gear and a first sleeve, the first transmission gear is sleeved at one end of the bearing shaft and is limited to move axially by the sleeve which is also sleeved at the tail end of the bearing shaft, and the number of teeth of the first transmission gear is smaller than that of the second transmission gear; the bearing shaft is supported at the bottom of the supporting seat through a first deep groove ball bearing and a second deep groove ball bearing, and the first deep groove ball bearing and the second deep groove ball bearing limit the axial movement of the bearing shaft through a corresponding first end cover and a corresponding second end cover respectively; and two ends of the input shaft are supported at the bottom of the supporting seat through a third deep groove ball bearing and a fourth deep groove ball bearing, the third deep groove ball bearing and the fourth deep groove ball bearing are respectively limited to move axially through a corresponding third end cover and a corresponding fourth end cover, and a second sleeve is sleeved on the input shaft between the third deep groove ball bearing and the second transmission gear.
3. The device for processing the surface of the bionic groove on the outer wall of the pipeline as claimed in claim 1, wherein: the second transmission gear set comprises a third transmission gear and a fourth transmission gear, the third transmission gear is sleeved at one end of the input shaft, the fourth transmission gear is sleeved at one end of the connecting shaft, the third transmission gear is meshed with the fourth transmission gear, and the third transmission gear is limited to move axially by a third sleeve; the connecting shaft is supported at the bottom of the supporting seat through a fifth deep groove ball bearing and a sixth deep groove ball bearing; a third sleeve is sleeved on the input shaft between the fourth deep groove ball bearing and the third transmission gear; and the fifth deep groove ball bearing and the sixth deep groove ball bearing are respectively limited to move axially by the corresponding fifth end cover and the sixth end cover.
4. The device for processing the surface of the bionic groove on the outer wall of the pipeline as claimed in claim 1, wherein: the third transmission gear set comprises a fifth transmission gear and a sixth transmission gear, the fifth transmission gear is sleeved at one end of the connecting shaft, the sixth transmission gear is sleeved at one end of the transmission shaft and meshed with the fifth transmission gear, and the sixth transmission gear is limited to move axially by a spring retainer ring; the transmission shaft is supported at the bottom of the supporting seat through a seventh deep groove ball bearing and an eighth deep groove ball bearing, the transmission shaft and the input shaft are arranged in parallel, and the seventh deep groove ball bearing and the eighth deep groove ball bearing are respectively limited to move axially through a seventh end cover and an eighth end cover correspondingly.
5. The device for processing the surface of the bionic groove on the outer wall of the pipeline as claimed in claim 1, wherein: 3 telescopic rods are uniformly arranged on the air cylinder, and the included angle between every two adjacent telescopic rods is 120 degrees; the inner of the telescopic rod is provided with a groove for clamping a cutter, and the cutter is fixedly connected with the groove through a screw.
6. The processing method of the device for processing the surface of the bionic groove on the outer wall of the pipeline according to any one of claims 1 to 5, comprising the following steps of:
1) firstly, supporting the pipeline to a proper height through an auxiliary device, and just enabling the central axis of the pipeline to coincide with the central axis of the processing mechanism;
2) starting a driving motor to rotate a big gear and a small gear, driving an input shaft, a connecting shaft and a transmission shaft to rotate simultaneously, so that four rollers rotate simultaneously, moving the whole machining device along the axis direction of the pipeline to a first position to be machined on the outer wall of the pipeline, and then closing the driving motor;
3) the air cylinder is inflated by adjusting the air pressure control system, the three telescopic rods radially extend simultaneously until the cutter is close to the surface to be processed on the outer wall of the pipeline, and the air pressure control system is closed;
4) starting a processing motor to drive the roller to rotate for a circle, starting groove processing, and closing the processing motor;
5) starting the air pressure control system to enable the air cylinder to release air, enabling the three telescopic rods to simultaneously and radially contract, enabling the cutting edge of the cutter to radially leave the machined surface, and closing the air pressure control system;
6) repeating the operation of 2) -5), so that the continuous processing of the bionic groove in the pipeline to be processed can be realized.
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| CN201710415076.4A CN107020409B (en) | 2017-06-05 | 2017-06-05 | Device and method for machining bionic groove surface on outer wall of pipeline |
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| CN201710415076.4A CN107020409B (en) | 2017-06-05 | 2017-06-05 | Device and method for machining bionic groove surface on outer wall of pipeline |
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| CN109047933B (en) * | 2018-09-29 | 2024-03-22 | 浙江工业大学 | Bionic groove processing device for pipeline inner wall coating |
| CN109578400B (en) * | 2018-12-29 | 2020-04-24 | 陕西宝成航空仪表有限责任公司 | Multi-station liquid switch bonding adjusting device |
| CN109986481A (en) * | 2019-03-30 | 2019-07-09 | 安徽天鹅科技实业（集团）有限公司 | Mechanical clamp is used in a kind of processing of computer fittings |
| CN112828683B (en) * | 2020-07-30 | 2023-07-14 | 哈尔滨理工大学 | Multi-factor coupling control processing method |
| CN113275915B (en) * | 2021-04-07 | 2022-04-08 | 新兴铸管股份有限公司 | Cast tube circular cutting device |
| CN117020279B (en) * | 2023-10-08 | 2023-12-19 | 江苏科源阀门制造有限公司 | Milling flutes device is used in production and processing of handle butterfly valve |
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| CN2737519Y (en) * | 2004-10-30 | 2005-11-02 | 青岛大仓管道防腐保温器材有限公司 | On-line steel pipe foam sandwich cutting machine |
| CN201062339Y (en) * | 2007-11-21 | 2008-05-21 | 中铁十八局集团有限公司 | Multi-head semi-automatic concrete pavement cutter |
| CN201337819Y (en) * | 2008-12-08 | 2009-11-04 | 广东飞轮科技实业有限公司 | Remote control toy car |
| CN201693299U (en) * | 2010-04-07 | 2011-01-05 | 何惠平 | Transmission mechanism of automatic welding tractor |
| CN106670587B (en) * | 2017-01-24 | 2018-06-05 | 浙江工业大学 | A kind of bionical flute surfaces processing unit (plant) of short distance inner-walls of duct and its processing method |
| CN207057701U (en) * | 2017-06-05 | 2018-03-02 | 浙江工业大学 | A kind of bionical flute surfaces processing unit (plant) of pipeline outer wall |
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