CN109226812A - A kind of inner wall polishing sealing machine and its operating method for bend pipe - Google Patents
A kind of inner wall polishing sealing machine and its operating method for bend pipe Download PDFInfo
- Publication number
- CN109226812A CN109226812A CN201811145674.5A CN201811145674A CN109226812A CN 109226812 A CN109226812 A CN 109226812A CN 201811145674 A CN201811145674 A CN 201811145674A CN 109226812 A CN109226812 A CN 109226812A
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- China
- Prior art keywords
- component
- arm
- borer
- bend pipe
- sealing machine
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of inner walls for bend pipe to polish sealing machine, including borer component, borer component one end is connected with workpiece and feeds component, its other end is connected with hush panel component, the borer component internal is equipped with airborne laser range finder and supersonic detector, it is described include borer component, workpiece feeds component, airborne laser range finder and supersonic detector are all connected to PLC control cabinet, also disclose its operating method.A kind of inner wall for bend pipe of the invention polishes sealing machine and its operating method, the co-ordination of component, hush panel component and PLC is fed by borer component, workpiece, it can accurate slot boring or polishing in pipeline, and sealed, angle gear realizes the slot boring that borer component can be stable at pipe bending.
Description
Technical field
The present invention relates to a kind of sealing machines, and in particular to a kind of polishing sealing machine and its operating method.
Background technique
Large-diameter centrifugal casting pipeline can be used for high alloy conversion tube, concetrated pipe and ethylene used in petrochemical industry
Cracking tube etc. and the conveyance conduit of nuclear power plant are used.This pipeline due to the variation in geographical location, is being laid with during transportation
It has to use the elbow with curvature in the process, for heavy caliber straight pipeline, current processing technology full maturity, and
Do not have the technology also now for the processing technology of bigbore elbow, is expired by improving the technology of casting
Then the surface smoothness of sufficient elbow interior wall processes the part at elbow both ends and straight tube cooperation, such as boring using metalworking technology
Inner hole etc. can not process the other inner wall sections and excircle part of elbow, once the finish of elbow is not achieved one
Fixed requirement will appear damping phenomena in pumped (conveying) medium, will appear choking phenomenon after a long time, and the conveyance conduit of nuclear power plant is outstanding
To be important, inside and outside wall must reach certain surface roughness requirements by processing, and existing equipment can not disposably after the completion of
Continuous closure process, in addition, being extremely easy to cause the stability of equipment not since produced vibration is excessive at runtime for equipment
It is enough, to affect the operating of equipment, cause production efficiency low, accordingly, it is desirable to provide it is a kind of easy to operate, it is easy to adjust,
Bore hole is high-efficient, the high-quality boring equipment of bore hole.
Summary of the invention
Goal of the invention: in view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of inner wall throwing for bend pipe
Light sealing machine and its operating method are easy to use.
Technical solution: a kind of inner wall polishing sealing machine for bend pipe of the present invention, including borer component, institute
It states borer component one end and is connected with workpiece and feed component, the other end is connected with hush panel component, the borer group
Be equipped with airborne laser range finder and supersonic detector inside part, it is described include borer component, workpiece feeds component, laser ranging
Device and supersonic detector are all connected to PLC control cabinet.
It includes PLC control cabinet that the workpiece, which feeds component, and pedestal, the pedestal connection are equipped at the top of the PLC control cabinet
There is servo motor, the output shaft of the servo motor is equipped with gear, and the pedestal is additionally provided with sliding rail, is slidably connected on the sliding rail
There is rack gear, the rack gear end is fixedly connected on the main drive motor of borer component, and the gear is engaged in rack gear.
The sliding rail is straight line crossed roller sliding rail, and the straight line crossed roller sliding rail side is articulated with pedestal, another
Side is articulated with pedestal by electric lifting rod.
The borer component includes the first stable rolling frame, and boring cutter rolled portion and second stablize rolling frame, described
First stablizes rolling frame, and boring cutter rolled portion, second, which are stablized, stablizes rolling by angle gear, described first between rolling frame
Frame includes the first main shaft, and first main shaft is connected to the output shaft of main drive motor, and key is connected with first on first main shaft
Mounting ring, the first mounting ring outer wall uniform ring are arranged with several first electric telescopic arms, first electric telescopic arm
End is equipped with universal wheel, and the boring cutter rolled portion includes the second main shaft, and the rotatable cutter that is arranged with rolls on second main shaft
Moving frame, is equipped with brushless motor between second main shaft and cutter rolling frame, the periphery of the cutter rolling frame is equipped with several peaces
Hole is filled, boring cutter is movably installed, the described second stable rolling frame includes third main shaft, the third master on the mounting hole
Key is connected with second mounting ring on axis, and the second mounting ring outer wall uniform ring is arranged with several second electric telescopic arms, and described
The end of two electric telescopic arms is equipped with universal wheel.
The angle gear includes two symmetrically arranged first supporting blocks, and first supporting block is rotatably connected to
First rotating shaft, described first rotating shaft one end are all connected to first transmission arm one end, and the first transmission arm other end is all connected to
Second shaft one end, second shaft are rotationally connected with second transmission arm one end, the second transmission arm other end
Rotation is connected to angle adjustment arm one end, and the angle adjustment arm is rotatablely connected with central supported drum outer wall, described
Central supported cylinder is slidably sheathed in central support posts, and the central support posts are fixed in the second supporting block, and described
It is hinged by electronic support rod between one supporting block and the second supporting block.
The central supported drum outer wall is equipped with semicircular sliding rail, and two angle adjustment arm roots are rotatablely connected with semi-ring
Shape sliding rail, the central supported drum outer wall are additionally provided with two linear motors, and the angular adjustment arm roots are equipped with arc chuck, institute
It states and is uniformly provided with several through-holes on arc chuck, the telescopic end of the linear motor can be caught in through-hole, the angle adjustment arm
Between angle of regulation range be 0 °~180 °.
Oil cylinder is equipped in the mounting hole, the in-oil cylinder cantilever arm is connected with boring cutter, and the oil cylinder bottom is connected with
Peristaltic pump, the peristaltic pump are connected with deformation holding vessel, and the root of the in-oil cylinder cantilever arm and boring cutter snaps connection, described
Deformation holding vessel includes the positive five face box body that two seamless sets are connected in confined space.
The hush panel component includes mounting disc, and the mounting disc outer rim is uniformly hinged with several U-shaped support arms, the U
It is arranged with the rubber cover for sealing outside type support arm, is equipped with brute spring corresponding with U-shaped support arm in the mounting disc,
The mounting disc and U-shaped support arm hinged place are equipped with backstop.
The backstop is ratchet device, and the U-shaped support arm is U-shaped steel spring plate, and the mounting disc is equipped with first
Turntable, first turntable compensate bearing by flexibility and are connected with the second turntable, and the second turntable outer rim is equipped with inner groovy, institute
Third main shaft one end is stated equipped with accommodating chamber, the accommodating chamber is interior to be equipped with stepper motor, and the output shaft of the stepper motor is equipped with inclined
Core, the eccentric disk perimeter hinge is in several locking rod one end, and the locking rod other end is pierced by accommodating chamber and extend to can
It is snapped at inner groovy.
A kind of operating method of the inner wall polishing sealing machine for bend pipe, comprising the following steps:
Step 1:PLC control cabinet control workpiece feeds component starting, and servo motor band moving gear rotates, the gear band of rotation
The dynamic rack movement engaged, borer component is sent into pipeline and reaches predetermined position, electric lifting rod is also adjustable
Rack angle is saved, feeds component align with tube conducive to workpiece；
Step 2:PLC control cabinet controls the starting of borer component, and main drive motor pretrigger slowly rotates, and first stablizes
Rolling frame, boring cutter rolled portion, second are stablized between rolling frame through angle gear adjusting position state, the first electric expansion
Arm, the second electric telescopic arm make universal wheel be adjacent to insides of pipes, and angle adjustment arm is automatic logical according to the bending degree in pipeline
It crosses and changes electronic support pole length, adjust angle between two angle adjustment arms, the logical of its arc chuck is inserted by linear motor
It locks in hole；
Step 3:PLC control cabinet controls the starting of borer component, main drive motor high speed rotation, and brushless motor drives knife
Tool rolling frame is rotated around the second main shaft height, and brushless motor substantially increases the revolving speed of boring cutter, improves cutting effect, and peristaltic pump opens
It is dynamic, drive the telescopic arm of oil cylinder to move, and then drive boring cutter feed, airborne laser range finder and supersonic detector are to cutting process
Data are measured in real time；
Step 4:PLC control cabinet control workpiece feeds component return, and the U-shaped support arm of hush panel component is buckled in boring cutter and cuts
In the groove cut, continue to drag hush panel component, U-shaped support arm roots compression brute spring, which moves to, is parallel to mounting disc side
To, it blocks inside pipeline, since mounting disc and U-shaped support arm hinged place are equipped with backstop, U-shaped support arm can resist external force,
Hush panel component strain is effectively prevented to be detached from pipeline.
The utility model has the advantages that a kind of inner wall for bend pipe of the invention polishes sealing machine and its operating method, pass through hole boring cutter
Tool component, workpiece feed the co-ordination of component, hush panel component and PLC, can accurate slot boring or polishing in pipeline, go forward side by side
Row sealing, angle gear realize the slot boring that borer component can be stable at pipe bending.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of angle gear of the present invention；
Fig. 3 is the structural schematic diagram of central supported cylinder and angle adjustment arm of the present invention；
Fig. 4 is the structural schematic diagram of cutter rolling frame of the present invention；
Fig. 5 is the structural schematic diagram of hush panel component of the present invention.
Specific embodiment
Technical solution of the present invention is described in detail below, but protection scope of the present invention is not limited to the implementation
Example.
As shown in Figures 1 to 5, a kind of inner wall for bend pipe of the invention polishes sealing machine, including borer component,
Borer component one end is connected with workpiece and feeds component, and the other end is connected with hush panel component, borer component internal
Equipped with airborne laser range finder and supersonic detector, borer component is included, workpiece feeds component, airborne laser range finder and ultrasound
Wave inspection instrument is all connected to PLC control cabinet.
It includes PLC control cabinet that workpiece, which feeds component, is equipped with pedestal 1 at the top of PLC control cabinet, pedestal 1 is connected with servo motor
2, the output shaft of servo motor 2 is equipped with gear 3, and pedestal 1 is additionally provided with sliding rail 4, rack gear 5,5 end of rack gear are slidably connected on sliding rail 4
Portion is fixedly connected on the main drive motor 6 of borer component, and gear 3 is engaged in rack gear 5.
Sliding rail 4 is straight line crossed roller sliding rail, and straight line crossed roller sliding rail side is articulated with pedestal 1, and the other side passes through
Electric lifting rod is articulated with pedestal 1.
Borer component includes the first stable rolling frame, and boring cutter rolled portion and second stablize rolling frame, and first stablizes
Rolling frame, boring cutter rolled portion, second are stablized by angle gear between rolling frame, and first, which stablizes rolling frame, includes the first master
Axis 7, the first main shaft 7 are connected to the output shaft of main drive motor 6, and key is connected with the first mounting ring 8, the first installation 8 on the first main shaft 7
Ring outer wall uniform ring is arranged with several first electric telescopic arms 9, and the end of the first electric telescopic arm 9 is equipped with universal wheel, boring cutter rolling
Dynamic portion includes the second main shaft 10, and rotatable on the second main shaft 10 to be arranged with cutter rolling frame 11, the second main shaft 10 is rolled with cutter
It is equipped with brushless motor between moving frame 11, the periphery of cutter rolling frame 11 is equipped with several mounting holes 12, moveable on mounting hole 12
Boring cutter 13 is installed, second to stablize rolling frame include third main shaft 14, and key is connected with second mounting ring 15 on third main shaft 14, and second
15 outer wall uniform ring of mounting ring is arranged with several second electric telescopic arms 16, and the end of the second electric telescopic arm 16 is equipped with universal
Wheel.
Angle gear includes two symmetrically arranged first supporting blocks 17, and the first supporting block 17 is rotatably connected to first
Shaft 18,18 one end of first rotating shaft are all connected to 19 one end of the first transmission arm, and 19 other end of the first transmission arm is all connected to second
20 one end of shaft, the second shaft 20 are rotationally connected with 21 one end of the second transmission arm, and 21 other end of the second transmission arm is rotatable
Be connected to 22 one end of angle adjustment arm, angle adjustment arm 22 is rotatablely connected with 23 outer wall of central supported cylinder, center branch
Support cylinder 23 is slidably sheathed in central support posts 24, and central support posts 24 are fixed in the second supporting block 25, the first support
It is hinged by electronic support rod 26 between block 17 and the second supporting block 25.
23 outer wall of central supported cylinder is equipped with semicircular sliding rail, and two angle adjustment arms, 22 root is rotatablely connected with semi-ring
Shape sliding rail, 23 outer wall of central supported cylinder are additionally provided with two linear motors 27, and 22 root of angle adjustment arm is equipped with arc chuck 28, arc
Several through-holes 29 are uniformly provided on shape chuck 28, the telescopic end of linear motor 27 can be caught in through-hole 29, angle adjustment arm 22 it
Between angle of regulation range be 0 °~180 °.
Oil cylinder 30 is equipped in mounting hole 12, the cantilever arm 43 in oil cylinder 30 is connected with boring cutter 13, and oil cylinder bottom is connected with compacted
Dynamic pump 31, peristaltic pump 31 is connected with deformation holding vessel 32, and the cantilever arm 43 and the root of boring cutter 13 in oil cylinder 30 snap connection, shape
Becoming holding vessel 32 includes the positive five face box body that two seamless sets are connected in confined space.
Hush panel component includes mounting disc 33, and 33 outer rim of mounting disc is uniformly hinged with several U-shaped support arms 34, U-shaped support
It is arranged with the rubber cover for sealing outside arm 34, brute spring 35 corresponding with U-shaped support arm 34, peace are equipped in mounting disc 33
Sabot 33 and U-shaped 34 hinged place of support arm are equipped with backstop 42.
Backstop 42 is ratchet device, and the ratchet mechanism of bicycle rear axle can be selected, and U-shaped support arm 34 is U-shaped spring
Steel plate, mounting disc 33 are equipped with the first turntable 36, and the first turntable 36 is connected with the second turntable 37 by flexible compensation bearing, and second turn
37 outer rim of disk is equipped with inner groovy 38, and 14 one end of third main shaft is equipped with accommodating chamber, is equipped with stepper motor 39, stepper motor in accommodating chamber
39 output shaft is equipped with eccentric disk 40, and 40 perimeter hinge of eccentric disk is pierced by several 41 one end of locking rod, 41 other end of locking rod
Accommodating chamber and extending to can be snapped at inner groovy 38.
A kind of operating method of the inner wall polishing sealing machine for bend pipe, comprising the following steps:
Step 1:PLC control cabinet control workpiece feeds component starting, and servo motor 2 is rotated with moving gear 3, the gear of rotation
3 drive the rack gear 5 engaged to move, and borer component is sent into pipeline and reaches predetermined position, electric lifting rod is also
Adjustable rack angle, feeds component align with tube conducive to workpiece；
Step 2:PLC control cabinet controls the starting of borer component, and 6 pretrigger of main drive motor slowly rotates, and first is steady
Determine rolling frame, boring cutter rolled portion, second are stablized between rolling frame through angle gear adjusting position state, and first electronic stretches
Contracting arm 9, the second electric telescopic arm 16 make universal wheel be adjacent to insides of pipes, and angle adjustment arm 22 is according to the bending journey in pipeline
Degree adjusts angle between two angle adjustment arms 22, is inserted by linear motor 27 automatically by electronic 26 length of support rod is changed
It locks in the through-hole 29 of its arc chuck 28；
Step 3:PLC control cabinet controls the starting of borer component, 6 high speed rotation of main drive motor, brushless motor driving
Cutter rolling frame is highly rotated around the second main shaft 10, and brushless motor substantially increases the revolving speed of boring cutter 13, improves cutting effect, compacted
Dynamic 31 starting of pump, drives the telescopic arm 31 of oil cylinder 30 to move, and then drive 13 feed of boring cutter, airborne laser range finder and ultrasonic wave are visited
Hurt instrument to be measured in real time cutting process data；
Step 4:PLC control cabinet control workpiece feeds component return, and the U-shaped support arm 34 of hush panel component is buckled in boring cutter
In the groove 38 of cutting, continue to drag hush panel component, U-shaped 34 root of support arm compression brute spring 35, which moves to, is parallel to peace
Sabot direction, is blocked inside pipeline, since mounting disc 33 and U-shaped 34 hinged place of support arm are equipped with backstop 42, U-shaped support arm
34 can resist external force, and hush panel component strain is effectively prevented to be detached from pipeline.
As described above, must not be explained although the present invention has been indicated and described referring to specific preferred embodiment
For the limitation to invention itself.It without prejudice to the spirit and scope of the invention as defined in the appended claims, can be right
Various changes can be made in the form and details for it.
Claims (10)
1. a kind of inner wall for bend pipe polishes sealing machine, it is characterised in that: including borer component, the borer group
Part one end is connected with workpiece and feeds component, and the other end is connected with hush panel component, and the borer component internal, which is equipped with, to swash
Ligh-ranging device and supersonic detector, it is described include borer component, workpiece feeds component, airborne laser range finder and ultrasonic wave
Defectoscope is all connected to PLC control cabinet.
2. the inner wall according to claim 1 for bend pipe polishes sealing machine, it is characterised in that: the workpiece feeds component
Including PLC control cabinet, pedestal is equipped at the top of the PLC control cabinet, the pedestal is connected with servo motor, the servo motor
Output shaft is equipped with gear, and the pedestal is additionally provided with sliding rail, and rack gear is slidably connected on the sliding rail, and the rack gear end is fixed to be connected
It is connected to the main drive motor of borer component, the gear is engaged in rack gear.
3. the inner wall according to claim 2 for bend pipe polishes sealing machine, it is characterised in that: the sliding rail is straight line friendship
Roller sliding rail is pitched, the straight line crossed roller sliding rail side is articulated with pedestal, and the other side is articulated with bottom by electric lifting rod
Seat.
4. the inner wall according to claim 1 for bend pipe polishes sealing machine, it is characterised in that: the borer component
Stablize rolling frame including first, boring cutter rolled portion and second stablize rolling frame, and described first stablizes rolling frame, and boring cutter rolls
Portion, second are stablized between rolling frame through angle gear, and described first to stablize rolling frame include the first main shaft, and described first
Main shaft is connected to the output shaft of main drive motor, and key is connected with the first mounting ring on first main shaft, outside the first mounting ring
Wall uniform ring is arranged with several first electric telescopic arms, and the end of first electric telescopic arm is equipped with universal wheel, the boring cutter
Rolled portion includes the second main shaft, rotatable on second main shaft to be arranged with cutter rolling frame, second main shaft and cutter
Brushless motor is equipped between rolling frame, the periphery of the cutter rolling frame is equipped with several mounting holes, moves on the mounting hole
Boring cutter is installed, described second to stablize rolling frame include third main shaft, and key is connected with second mounting ring on the third main shaft, institute
It states second mounting ring outer wall uniform ring and is arranged with several second electric telescopic arms, the end of second electric telescopic arm is equipped with ten thousand
To wheel.
5. the inner wall according to claim 4 for bend pipe polishes sealing machine, it is characterised in that: the angle gear
Including two symmetrically arranged first supporting blocks, first supporting block is rotatably connected to first rotating shaft, the first rotating shaft one
End is all connected to first transmission arm one end, and the first transmission arm other end is all connected to second shaft one end, and described second turn
Axis is rotationally connected with second transmission arm one end, and the second transmission arm other end is rotatablely connected with angle adjustment arm one
End, the angle adjustment arm are rotatablely connected with central supported drum outer wall, and the central supported cylinder is slidably sheathed on
In central support posts, the central support posts are fixed in the second supporting block, between first supporting block and the second supporting block
It is hinged by electronic support rod.
6. the inner wall according to claim 5 for bend pipe polishes sealing machine, it is characterised in that: outside the central supported cylinder
Wall is equipped with semicircular sliding rail, and two angle adjustment arm roots are rotatablely connected with semicircular sliding rail, outside the central supported cylinder
Wall is additionally provided with two linear motors, and the angular adjustment arm roots are equipped with arc chuck, if being uniformly provided on the arc chuck
The telescopic end of dry through-hole, the linear motor can be caught in through-hole, and the angle of regulation range between the angle adjustment arm is 0 °
~180 °.
7. the inner wall according to claim 4 for bend pipe polishes sealing machine, it is characterised in that: be equipped in the mounting hole
Oil cylinder, the in-oil cylinder cantilever arm are connected with boring cutter, and the oil cylinder bottom is connected with peristaltic pump, and the peristaltic pump connection is tangible
The root of change holding vessel, the in-oil cylinder cantilever arm and boring cutter snaps connection, and the deformation holding vessel includes two seamless sets
It is connected in the positive five face box body of confined space.
8. the inner wall according to claim 1 for bend pipe polishes sealing machine, it is characterised in that: the hush panel component packet
Mounting disc is included, the mounting disc outer rim is uniformly hinged with several U-shaped support arms, is arranged with outside the U-shaped support arm for sealing
Rubber cover, brute spring corresponding with U-shaped support arm is equipped in the mounting disc, the mounting disc and U-shaped support arm are cut with scissors
It meets place and is equipped with backstop.
9. the inner wall according to claim 8 for bend pipe polishes sealing machine, it is characterised in that: the backstop is spine
Wheel apparatus, the U-shaped support arm are U-shaped steel spring plate, and the mounting disc is equipped with the first turntable, and first turntable passes through flexibility
Compensation bearing is connected with the second turntable, and the second turntable outer rim is equipped with inner groovy, and third main shaft one end is equipped with accommodating chamber,
Be equipped with stepper motor in the accommodating chamber, the output shaft of the stepper motor is equipped with eccentric disk, the eccentric disk perimeter hinge in
Several locking rod one end, the locking rod other end are pierced by accommodating chamber and extend to and can be snapped at inner groovy.
10. a kind of operating method of the inner wall polishing sealing machine for bend pipe, which comprises the following steps:
Step 1:PLC control cabinet control workpiece feeds component starting, and servo motor band moving gear rotates, the gear of rotation drive with
Borer component is sent into pipeline and reaches predetermined position by its rack movement engaged, and electric lifting rod can also adjust tooth
Angle, feeds component align with tube conducive to workpiece；
Step 2:PLC control cabinet controls the starting of borer component, and main drive motor pretrigger slowly rotates, and first stablizes rolling
Frame, boring cutter rolled portion, second stablize and pass through angle gear adjusting position state between rolling frame, the first electric telescopic arm,
Second electric telescopic arm makes universal wheel be adjacent to insides of pipes, angle adjustment arm according to the bending degree in pipeline, automatically by
Change electronic support pole length, adjusts angle between two angle adjustment arms, the through-hole of its arc chuck is inserted by linear motor
Middle locking；
Step 3:PLC control cabinet controls the starting of borer component, main drive motor high speed rotation, and brushless motor drives cutter rolling
Moving frame is rotated around the second main shaft height, and brushless motor substantially increases the revolving speed of boring cutter, improves cutting effect, wriggling pump startup,
The telescopic arm movement of oil cylinder is driven, and then drives boring cutter feed, airborne laser range finder and supersonic detector are to cutting process number
According to being measured in real time；
Step 4:PLC control cabinet control workpiece feeds component return, and the U-shaped support arm of hush panel component is buckled in boring cutter cutting
In groove, continue to drag hush panel component, U-shaped support arm roots compression brute spring, which moves to, is parallel to mounting disc direction, blocks up
Firmly inside pipeline, since mounting disc and U-shaped support arm hinged place are equipped with backstop, U-shaped support arm can resist external force, effectively
Hush panel component strain is prevented to be detached from pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811145674.5A CN109226812A (en) | 2018-09-29 | 2018-09-29 | A kind of inner wall polishing sealing machine and its operating method for bend pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811145674.5A CN109226812A (en) | 2018-09-29 | 2018-09-29 | A kind of inner wall polishing sealing machine and its operating method for bend pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109226812A true CN109226812A (en) | 2019-01-18 |
Family
ID=65055185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811145674.5A Pending CN109226812A (en) | 2018-09-29 | 2018-09-29 | A kind of inner wall polishing sealing machine and its operating method for bend pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109226812A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111215655A (en) * | 2020-02-14 | 2020-06-02 | 吴豹群 | Combined drilling machine |
-
2018
- 2018-09-29 CN CN201811145674.5A patent/CN109226812A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111215655A (en) * | 2020-02-14 | 2020-06-02 | 吴豹群 | Combined drilling machine |
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Application publication date: 20190118 |