CN114055314B - Inner wall processing device of elbow for petrochemical pipeline - Google Patents
Inner wall processing device of elbow for petrochemical pipeline Download PDFInfo
- Publication number
- CN114055314B CN114055314B CN202111144636.XA CN202111144636A CN114055314B CN 114055314 B CN114055314 B CN 114055314B CN 202111144636 A CN202111144636 A CN 202111144636A CN 114055314 B CN114055314 B CN 114055314B
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- Prior art keywords
- workbench
- supporting plate
- plate
- movable
- tail end
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/40—Single-purpose machines or devices for grinding tubes internally
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses an inner wall treatment device of an elbow for a petrochemical pipeline, which comprises a workbench, wherein a turntable capable of rotating along the axis of the workbench is arranged at the central position of the workbench, a clamping seat is arranged on the upper surface of the turntable, a connecting plate with adjustable length and adjustable angle is arranged on the side surface of the clamping seat, a connecting rod with the central line parallel to the surface of the workbench is arranged at the tail end of the connecting plate, a tail end supporting plate is connected with the front end of the connecting rod, and the surface of the tail end supporting plate is arranged parallel to the workbench.
Description
Technical Field
The invention belongs to the technical field of petrochemical pipeline elbow processing equipment, and particularly relates to an inner wall processing device of a bent pipe for a petrochemical pipeline.
Background
After oil exploitation, the petroleum must be transported to a corresponding processing department to be better utilized, wherein petroleum pipelines for conveying the petroleum are indispensable equipment. At present, the pipeline for conveying petroleum mainly comprises a straight pipe, an elbow pipe and other special-shaped pipelines, wherein the elbow pipe is an important connecting structural member in a petroleum and gas conveying pipeline, and the main function of the elbow pipe is to adapt to the design requirement of the pipeline and change the direction of the pipeline. According to different bending modes, the pipe bending machine can be divided into a cold bending pipe and a hot bending pipe, wherein the cold bending pipe is an angle for directly applying force to bend a finished pipe to meet the design requirement; the hot bending pipe is heated by adopting a proper method (usually adopting an induction heating mode), then bent and deformed to reach the bending angle required by design, and the influence of the bending deformation on the performance of the steel pipe can be effectively reduced in the hot working process, so that the hot bending pipe is more suitable for manufacturing the bent pipe with a larger angle and has wider application range.
At present, after the manufacturing and processing of the elbow pipe are finished, the outer surface and the inner wall of the elbow pipe need to be cleaned, sundries such as surface greasy dirt, an oxide layer and rust are removed, the sundries on the outer wall surface of the elbow pipe are usually easy to clean, but for the elbow pipe with larger diameter and longer overall length, the cleaning of the inner wall is a complicated work, after the greasy dirt treatment of the inner wall is carried out by adopting cleaning liquid in the prior art, the oxide layer and rust of the inner wall are usually difficult to treat, the inner wall cleaning needs to be manually carried out, the working difficulty is high, and the working efficiency is low, so that an inner wall treatment device for the elbow pipe for petrochemical pipelines is needed to solve the problems.
Disclosure of Invention
The invention aims to solve the technical problems, and provides the inner wall treatment device for the bent pipe for the petrochemical pipeline, which has the advantages of simple and reasonable structural design, convenience in use, high working efficiency, good cleaning effect, low difficulty and capability of reducing the labor intensity of workers, and can be used for cleaning oxide layers and rust on the inner wall of the bent pipe by adopting a motor driving mode to enable the brush head to enter the bent pipe along the central line of the bent pipe, and adjusting the position of the brush head according to the diameter change of the bent pipe so as to meet the inner wall cleaning work of the bent pipe with different diameters.
The technical scheme adopted by the invention is as follows: the utility model provides an inner wall processing apparatus of return bend for petrochemical industry pipeline, the on-line screen storage device comprises a workbench, the central point of workstation puts and installs the carousel that can rotate along self axis, the last surface mounting of carousel has a holder, the connecting plate of length adjustable and angularly adjustable is installed to the side-mounting of holder, the connecting rod that the central line is parallel to workstation surface each other is installed to the terminal of connecting plate, the front end of connecting rod is connected with the tail end backup pad, the surface and the workstation mutual parallel arrangement of tail end backup pad, the front end of tail end backup pad is connected with a plurality of movable joints of head and tail mutual articulated, the front end backup pad is articulated at the movable joint front end of front end, the last surface mounting of front end backup pad has first motor, the axle head of first motor is connected with the brush head, all install highly adjustable removal wheel in front end backup pad and tail end backup pad.
The connecting plate comprises a fixing plate and a telescopic plate sleeved on the fixing plate, the front end of the fixing plate is provided with a hinge hole and an arc hole, the center of the arc hole and the center of the hinge hole are mutually overlapped, the tail end of the telescopic plate is provided with a connecting rod mounting hole for mounting a connecting rod, and a positioning bolt for positioning the telescopic plate is arranged on the telescopic plate in a threaded mode.
The center of the lower surface of the workbench is provided with a second motor, the shaft end of the second motor extends upwards and is connected with the turntable through a key bar, and a bearing is arranged between the turntable and the workbench.
The movable wheel is a universal wheel, an adjustable screw is arranged above the movable wheel and connected to the tail end supporting plate and the front end supporting plate through nuts, a spring is sleeved outside the adjustable screw, the upper end of the spring is in contact with the lower surfaces of the tail end supporting plate and the front end supporting plate, and the lower end of the spring is in contact with the upper surface of the movable wheel.
One end of the movable joint is provided with a first boss protruding outwards, the other end of the movable joint is provided with a second boss protruding outwards, through holes are formed in the first boss and the second boss, two adjacent movable joints are connected through bolts installed on the through holes, and the upper surface of the first boss and the lower surface of the second boss are arranged in a coplanar mode.
The middle part of the movable joint is fixedly provided with a positioning screw, and the central line of the positioning screw is mutually perpendicular to the upper surface of the first boss.
The movable joint is characterized by further comprising a scale used for rapidly positioning the assembly shape of the movable joint, the scale is of an arc-shaped structure, an arc-shaped positioning hole is formed in the surface of the scale, and the center line of the positioning hole is matched with the center line of the bent pipe in size.
Supporting legs are arranged below the workbench.
When the inner wall processing device of the bent pipe for the petrochemical pipeline is used, the bent pipe is firstly placed on the upper surface of the workbench, the arc center of the bent pipe is mutually overlapped with the center of the turntable, the distance between the center of the connecting rod mounting hole and the center of the turntable is equal to the radius of the arc center line of the bent pipe by adjusting the positions of the telescopic plates, the scale is placed above the movable sections, the positions of the scale are adjusted, the circle center of the scale is mutually overlapped with the center of the turntable, at the moment, the bolts between two adjacent movable sections are locked by the nuts, and at the same time, the bolts at the hinge point positions of the tail end supporting plate and the end of the front end supporting plate are locked, so that the movement track of the brush head is positioned on the center line of the bent pipe when the brush head moves along with the turntable; when the second motor starts, can drive the carousel and rotate, the carousel drives the holder of top and rotates, then drive connecting plate, the movable node, first motor and brush head rotate around the center of carousel in step, after the brush head moves to the return bend inside, first motor starts, thereby drive the brush head and rotate, utilize the brush head to clear up the inner wall of return bend, get rid of debris such as oxide layer and rust on the inner wall, when the movable wheel gets into the return bend inside, can make the spring compressed, avoid because the wall thickness of return bend causes the movable wheel unable condition that gets into the return bend inside to appear, utilize the movable wheel to play certain supporting role simultaneously, avoid because the movable node is connected too much and cause the problem that the brush head position appears the whereabouts at the actual operation.
The center of the workbench is provided with a turntable capable of rotating along the axis of the workbench, the upper surface of the turntable is provided with a clamping seat, and the side surface of the clamping seat is provided with a connecting plate with adjustable length and adjustable angle; the purpose of this arrangement is: the rotating of the turntable drives the connecting plate to rotate, the movable joint, the brush head and the like can be driven to rotate after the connecting plate rotates, the length of the connecting plate is adjustable due to the fact that the bent radius of the bent pipe is different so as to adapt to the cleaning work of bent pipes with different radius sizes, the angle of the connecting plate is adjustable due to the fact that the pipe diameters of the bent pipes are different, when the bent pipes with different pipe diameters are placed on the workbench, the height of the connecting plate is also different, therefore, the purpose of adjusting the angle of the connecting plate is to adjust the tail end height of the connecting plate, the cleaning work of the inner walls of the bent pipes with different pipe diameters is met, and accordingly the cleaning work of the inner walls of the bent pipes with different bent radii and different pipe diameters can be met.
The tail end of the connecting plate is provided with a connecting rod with a central line parallel to the surface of the workbench; the purpose of this arrangement is: the connecting rod is arranged at the tail end of the connecting plate, and the connecting rod is arranged on the connecting plate by adopting a nut so that the connecting rod can rotate around the central line of the connecting rod, and when the connecting rod rotates to a certain position, the connecting rod can be fixed by utilizing the nut; the connecting rod can rotate, and the aim is that the connecting plate can rotate at an angle, when the connecting plate is subjected to angle adjustment, if the connecting rod does not rotate, the tail end supporting plate connected with the connecting rod can rotate for a certain angle relative to the surface of the workbench, and the movable wheel cannot play a supporting role, so that the movable wheel can be ensured to contact with the workbench by adopting the connecting rod for transition, and the movable wheel can work normally.
The front end of the connecting rod is connected with a tail end supporting plate, the surface of the tail end supporting plate is arranged in parallel with the workbench, the front end of the tail end supporting plate is connected with a plurality of movable joints hinged end to end, and the front end of the movable joint at the foremost end is hinged with a front end supporting plate; the purpose of this arrangement is: the tail end support plate and the front end support plate are used for installing the height-adjustable movable wheels, the movable wheels are used for supporting, the inclination of the whole structure caused by the excessive number of movable joints can be avoided, the effect of supporting stability is achieved, and the front end support plate is also used as an installation piece of the first motor, so that the installation stability of the first motor is ensured; the movable joint is connected in a head-to-tail hinged mode, so as to adapt to the change of bending radiuses of different bent pipes, and therefore the first motor at the front end and the brush head can enter the bent pipe and move along the arc center line of the bent pipe, and the requirement of cleaning the inner wall is met.
The upper surface of the front end supporting plate is provided with a first motor, and the shaft end of the first motor is connected with a brush head; the purpose of this arrangement is: the brush head is driven by the first motor to rotate, the brush head rotates to clean the inner wall of the bent pipe, and specifically, the front end of the brush head adopts a conical structure, so that the brush head can conveniently enter the bent pipe, and the brush head can be made of materials such as a brush, a nylon brush and a metal wire and can be used for cleaning different inner wall impurities.
The front end supporting plate and the tail end supporting plate are respectively provided with a movable wheel with adjustable height; the purpose of this arrangement is: the movable wheel mainly plays a role in supporting the whole movable joint structure so as to ensure that the brush head moves along the bent central line of the bent pipe all the time, and the inner wall of the bent pipe can be fully covered when cleaning is ensured, so that the cleaning quality is improved.
The beneficial effects of the invention are as follows:
the invention has simple design structure and convenient use, adopts a motor driving mode, can lead the brush head into the bent pipe along the central line of the bent pipe, carries out the cleaning work of oxide layers and rust on the inner wall of the bent pipe, can adjust the position of the brush head according to the diameter change of the bent pipe, meets the cleaning work of the inner wall of the bent pipe with different diameters, and has the advantages of high working efficiency, good cleaning effect, low difficulty and reduced labor intensity of staff.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a partial structural view of the present invention;
FIG. 4 is a structural view of the connection plate of the present invention;
FIG. 5 is a cross-sectional view of a movable joint of the present invention;
fig. 6 is a structural view of the scale of the present invention.
The marks in the figure: 1. a work table; 2. bending the pipe; 3. a clamping seat; 4. a turntable; 5. a connecting plate; 501. a fixing plate; 502. positioning bolts; 503. a telescoping plate; 504. a connecting rod mounting hole; 505. an arc-shaped hole; 506. a hinge hole; 6. a movable joint; 601. a first boss; 602. positioning a screw; 603. a second boss; 7. a connecting rod; 8. a tail end support plate; 9. a front end support plate; 10. a first motor; 11. a brush head; 12. an adjustable screw; 13. a moving wheel; 14. a spring; 15. support legs; 16. a second motor; 17. a ruler; 18. and positioning holes.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
As shown in the figure, an inner wall processing device of elbow 2 for petrochemical industry pipeline, comprising a workbench 1, the central point of workbench 1 installs the carousel 4 that can rotate along self axis, the last surface mounting of carousel 4 has a cassette 3, the side-mounting of cassette 3 has adjustable length, and the angularly adjustable connecting plate 5, the connecting rod 7 that central line and workbench 1 surface are parallel to each other is installed to the terminal of connecting plate 5, the front end of connecting rod 7 is connected with tail end backup pad 8, the surface and the workstation 1 mutual parallel arrangement of tail end backup pad 8, the front end of tail end backup pad 8 is connected with a plurality of movable festival 6 of head and tail mutual articulated, the front end backup pad 9 is articulated to the movable festival 6 front end at the front end, the upper surface mounting of front end backup pad 9 has first motor 10, the axle head of first motor 10 is connected with brush head 11, all install highly adjustable movable wheel 13 on front end backup pad 9 and tail end backup pad 8.
The connecting plate 5 comprises a fixing plate 501 and a telescopic plate 503 sleeved on the fixing plate 501, a hinge hole 506 and an arc hole 505 are formed in the front end of the fixing plate 501, the center of the arc hole 505 and the center of the hinge hole 506 are overlapped with each other, a connecting rod mounting hole 504 for mounting a connecting rod 7 is formed in the tail end of the telescopic plate 503, and a positioning bolt 502 for positioning the position of the telescopic plate 503 is arranged on the telescopic plate 503 in a threaded manner; the positions of the hinge holes 506 and the arc holes 505 are connected to the clamping seat 3 by bolts and nuts, and when the angle of the connecting plate 5 is adjusted, the nuts are loosened, so that the connecting plate 5 rotates around the central line of the hinge holes 506, the angle of the connecting plate 5 can be adjusted, and then the height of the tail end of the connecting plate 5 is adjusted; the expansion plate 503 is sleeved on the fixing plate 501, and is used for adjusting the overall length of the connecting plate 5, and after the overall length is adjusted in place, the position of the expansion plate 503 is fixed by using the positioning bolt 502.
The center of the lower surface of the workbench 1 is provided with a second motor 16, the shaft end of the second motor 16 extends upwards and is connected with the rotary table 4 through a key bar, a bearing is arranged between the rotary table 4 and the workbench 1, the second motor 16 is used for providing power for the rotation of the rotary table 4, and the rotary table 4 rotates and drives the clamping seat 3 to rotate, so that the movement of the brush head 11 can be realized.
The movable wheel 13 is a universal wheel, an adjustable screw rod 12 is arranged above the movable wheel 13, the adjustable screw rod 12 is connected to the tail end supporting plate 8 and the front end supporting plate 9 through nuts, a spring 14 is sleeved outside the adjustable screw rod 12, the upper end of the spring 14 is in contact with the lower surfaces of the tail end supporting plate 8 and the front end supporting plate 9, and the lower end of the spring 14 is in contact with the upper surface of the movable wheel 13; nuts are arranged on the adjustable screw rods 12 above the tail end supporting plate 8 and the front end supporting plate 9, and the height of the movable wheel 13 can be adjusted by adjusting the nuts so as to meet the requirements of bent pipes 2 with different pipe diameters; the spring 14 is used for avoiding the fixed position of the movable wheel 13 to cause the forceful overweight of the upper end of the brush head 11 when the movable wheel 13 enters the elbow 2, influencing the cleaning effect of the inner wall of the elbow 2, playing a role in safety protection and avoiding the interference problem.
One end of the movable joint 6 is provided with a first boss 601 protruding outwards, the other end of the movable joint 6 is provided with a second boss 603 protruding outwards, through holes are formed in the first boss 601 and the second boss 603, two adjacent movable joints 6 are connected through bolts installed on the through holes, the upper surface of the first boss 601 and the lower surface of the second boss 603 are arranged in a coplanar mode, the upper surface of the movable joint 6 can be located in the same plane, scale 17 debugging is facilitated, the adjacent first boss 601 and the second boss 603 are connected through bolts, the tail ends of the bolts are locked through nuts, the rotation angle between the two adjacent movable joints 6 can be conveniently adjusted, and the operation efficiency is improved.
The middle part fixed mounting of movable joint 6 has a locating screw 602, the central line of locating screw 602 sets up with the upper surface mutually perpendicular of first boss 601, still include the scale 17 that is used for carrying out quick location to the assembled shape of movable joint 6, scale 17 is arc structure, the curved locating hole 18 has been seted up on the surface of scale 17, the central line of locating hole 18 matches each other with the central line size of return bend 2, locating screw 602 is used for cooperating scale 17 to use, scale 17 can be according to the crooked central line radius preparation a plurality of return bend 2, when using, pass the locating screw 602 at all movable joints 6 through the locating hole 18 at scale 17 middle part, make scale 17 and carousel 4 center coincide each other, can be quick realization movable joint 6 position's adjustment, at this moment, the nut between the locking movable joint 6, can realize movable joint 6's fixation, the location is accurate, the simple operation, high-efficient advantage.
A supporting leg 15 is installed below the workbench 1.
When the inner wall processing device of the elbow pipe 2 for the petrochemical pipeline is used, firstly, the elbow pipe 2 is placed on the upper surface of the workbench 1, the arc center of the elbow pipe 2 and the center of the turntable 4 are mutually overlapped, the distance between the center of the connecting rod mounting hole 504 and the center of the turntable 4 is equal to the radius of the arc center line of the elbow pipe 2 by adjusting the position of the telescopic plate 503, the scale 17 is placed above the movable joint 6, the position of the scale 17 is adjusted, the circle center of the scale 17 and the center of the turntable 4 are mutually overlapped, at the moment, the bolts between two adjacent movable joints 6 are locked by the nuts, and meanwhile, the bolts at the hinge point positions of the tail end support plate 8 and the end of the front end support plate 9 are locked, so that the movement track of the brush head 11 is positioned on the center line of the elbow pipe 2 when moving along with the turntable 4; when the second motor 16 starts, can drive carousel 4 and rotate, carousel 4 drives the holder 3 of top and rotates, then drive connecting plate 5, movable joint 6, first motor 10 and brush head 11 rotate round the center of carousel 4 in step, after brush head 11 moves to inside return bend 2, first motor 10 starts, thereby drive brush head 11 and rotate, utilize brush head 11 to clear up the inner wall of return bend 2, get rid of debris such as oxide layer and rust on the inner wall, when movable wheel 13 gets into inside return bend 2, can make spring 14 compressed, avoid because the wall thickness of return bend 2 causes movable wheel 13 unable entering return bend 2 inside the condition appearance, utilize movable wheel 13 to play certain supporting role simultaneously, avoid because movable joint 6 connects quantity too much and cause the problem that the position of brush head 11 appears the whereabouts in actual operation.
Claims (4)
1. An inner wall processing apparatus of return bend for petrochemical industry pipeline, its characterized in that: the automatic cleaning device comprises a workbench, wherein a turntable capable of rotating along the axis of the workbench is arranged at the center of the workbench, a clamping seat is arranged on the upper surface of the turntable, a connecting plate with adjustable length and adjustable angle is arranged on the side surface of the clamping seat, a connecting rod with the center line parallel to the surface of the workbench is arranged at the tail end of the connecting plate, a tail end supporting plate is connected to the front end of the connecting rod, the surface of the tail end supporting plate is arranged parallel to the workbench, a plurality of movable joints hinged head and tail to each other are connected to the front end of the tail end supporting plate, a front end supporting plate is hinged to the front end of the movable joint at the forefront end, a first motor is arranged on the upper surface of the front end supporting plate, a brush head is connected to the shaft end of the first motor, and movable wheels with adjustable heights are arranged on the front end supporting plate and the tail end supporting plate; the connecting plate comprises a fixing plate and a telescopic plate sleeved on the fixing plate, the front end of the fixing plate is provided with a hinge hole and an arc hole, the center of the arc hole and the center of the hinge hole are mutually overlapped, the tail end of the telescopic plate is provided with a connecting rod mounting hole for mounting a connecting rod, and a positioning bolt for positioning the telescopic plate is arranged on the telescopic plate in a threaded manner; the movable wheel is a universal wheel, an adjustable screw is arranged above the movable wheel and is connected to the tail end supporting plate and the front end supporting plate through nuts, a spring is sleeved outside the adjustable screw, the upper end of the spring is in contact with the lower surfaces of the tail end supporting plate and the front end supporting plate, and the lower end of the spring is in contact with the upper step plane of the movable wheel; one end of the movable joint is provided with a first boss protruding outwards, the other end of the movable joint is provided with a second boss protruding outwards, a positioning screw is fixedly arranged at the middle part of the movable joint, and the central line of the positioning screw is mutually perpendicular to the upper surface of the first boss; the movable joint is characterized by further comprising a scale used for rapidly positioning the assembly shape of the movable joint, the scale is of an arc-shaped structure, an arc-shaped positioning hole is formed in the surface of the scale, the center line of the positioning hole is matched with the center line of the bent pipe in size, and a positioning screw rod on the movable joint penetrates through the positioning hole in the middle of the scale.
2. The apparatus for treating an inner wall of a bent pipe for petrochemical pipelines according to claim 1, wherein: the center of the lower surface of the workbench is provided with a second motor, the shaft end of the second motor extends upwards and is connected with the turntable through a key bar, and a bearing is arranged between the turntable and the workbench.
3. The apparatus for treating an inner wall of a bent pipe for petrochemical pipelines according to claim 1, wherein: through holes are formed in the first boss and the second boss, two adjacent movable joints are connected through bolts arranged on the through holes, and the upper surface of the first boss and the lower surface of the second boss are arranged in a coplanar mode.
4. The apparatus for treating an inner wall of a bent pipe for petrochemical pipelines according to claim 1, wherein: supporting legs are arranged below the workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111144636.XA CN114055314B (en) | 2021-09-28 | 2021-09-28 | Inner wall processing device of elbow for petrochemical pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111144636.XA CN114055314B (en) | 2021-09-28 | 2021-09-28 | Inner wall processing device of elbow for petrochemical pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114055314A CN114055314A (en) | 2022-02-18 |
| CN114055314B true CN114055314B (en) | 2023-10-20 |
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| CN202111144636.XA Active CN114055314B (en) | 2021-09-28 | 2021-09-28 | Inner wall processing device of elbow for petrochemical pipeline |
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| CN114714098A (en) * | 2022-04-11 | 2022-07-08 | 沧州科威电子有限责任公司 | Machining device and processing method for inner cavity of bent pipe |
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| CN208961644U (en) * | 2018-10-09 | 2019-06-11 | 衡水广信机械连接设备有限公司 | A kind of circular arc elbow internal wall machining tool |
| CN110695024A (en) * | 2019-11-01 | 2020-01-17 | 东莞市奇趣机器人科技有限公司 | Air pipe cleaning robot |
| CN111975489A (en) * | 2020-08-26 | 2020-11-24 | 上海远葆工业设计有限公司 | Metal grinding device |
| CN213793294U (en) * | 2020-10-30 | 2021-07-27 | 华正建设集团有限公司 | Pipeline inner wall iron rust clearing device |
| CN113385993A (en) * | 2021-08-17 | 2021-09-14 | 新沂市振港金属制品有限公司 | Polishing device and polishing process for molded metal product |
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| CN114055314A (en) | 2022-02-18 |
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