CN111531448A - Conduit protective layer polishing tool and using method - Google Patents
Conduit protective layer polishing tool and using method Download PDFInfo
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- CN111531448A CN111531448A CN202010411542.3A CN202010411542A CN111531448A CN 111531448 A CN111531448 A CN 111531448A CN 202010411542 A CN202010411542 A CN 202010411542A CN 111531448 A CN111531448 A CN 111531448A
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- 238000005498 polishing Methods 0.000 title claims abstract description 165
- 239000011241 protective layer Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 10
- 239000002519 antifouling agent Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 abstract description 7
- 238000000576 coating method Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000446 fuel Substances 0.000 description 3
- 244000137852 Petrea volubilis Species 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/06—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/16—Bushings; Mountings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
A grinding tool for a protective layer of a guide pipe and a using method belong to the technical field of mechanical manufacturing and assembling. The pipe inoxidizing coating frock of polishing comprises grinding device and stop device, and the two cooperation accomplishes polishing of pipe inoxidizing coating, grinding device includes locking regulation pole, installing support, adjust knob, positioning pin axle, twist grip, curved surface head, thrust spring, stop device includes stop device upper and lower support, flexible support arm, tensile force adjusting knob, locking lever, connecting pin axle, annular couple. When in use, the polishing head is arranged on the mounting bracket; installing the guide pipe and determining the installation position of the lap joint line hoop; a guide pipe to be polished is arranged on the limiting device, so that the telescopic support arm props against the guide pipe; and clamping the conduit in the polishing device, and enabling the side surface of the polishing device to abut against the corresponding outer side of the limiting device for polishing. The limiting device is matched with the polishing machine, so that the stability and the accuracy of polishing equipment can be ensured, and the working efficiency can be improved.
Description
Technical Field
The invention belongs to the technical field of mechanical manufacturing and assembling, and relates to a tool for finely polishing a protective layer on the partial surface of the outer wall of a large batch of guide pipes with protective layers before or after installation, in particular to polishing the protective layer of a large-diameter guide pipe, which has more remarkable effect, not only has good surface polishing quality of the guide pipe, but also can strictly ensure that each guide pipe after polishing has good electric contact with a machine body.
Background
In the aircraft assembly manufacturing process, the installation of thousands of conduits is involved, and the conduits for the fuel system need to be connected by a crossover after installation to ensure the overlap resistance between them and the aircraft structure. However, since all the surfaces of the fuel conduits are coated with an insulating protective paint layer, in order to reduce the insulation resistance between each conduit and the aircraft structure and ensure good electrical contact between the conduits and the aircraft structure, the insulating protective paint layer for fixing the position of the crossover clamp on the conduit needs to be removed before the crossover is installed, and then the crossover is installed and fixed, but because the position of each crossover clamp on the conduit needs to be accurately determined after the crossover clamp is installed on the aircraft, the fuel conduit is sometimes limited by factors such as narrow working space, inconvenient disassembly and the like, and great difficulty is caused to polishing work. At present, the conventional method is that a conduit which is installed in a space on the machine and is relatively spacious can be directly installed formally, then the position of a lap joint line hoop is determined, and then an insulating protective paint layer at the position on the conduit is polished off by using sand paper. The other is that the guide pipe which is installed in a narrow space on an airplane and can not be ground on the airplane needs to be pre-installed on the airplane, the guide pipe is detached from the airplane after the position of the lapping wire clamp is determined, and the guide pipe is installed after ground is ground by using abrasive paper. Although the two methods can well complete the work, the two methods have the difficulties of low working efficiency, uneven surface polishing quality, high working difficulty and the like.
In view of the reasons, the novel pipe protective layer grinding tool is novel in structure and high in flexibility, can be applied to grinding treatment of surface protective layers of various cylindrical parts, and can select and install grinding heads with different sizes and different specifications according to the requirements of the width range and the surface roughness of pipe grinding, so that reliable electric contact between each pipe and an aircraft mechanism is ensured on the basis of improving the working efficiency and ensuring the grinding quality of the pipes.
Disclosure of Invention
The invention aims to provide a novel conduit protective layer polishing tool which is good in polishing quality and high in efficiency, can select magic heads with different specifications according to different polished conduit protective models, is wide in application range, and solves a plurality of difficult problems generated in the installation of lap joints of hundreds of conduits on an airplane.
The technical scheme adopted by the invention is as follows:
the utility model provides a pipe inoxidizing coating frock of polishing, pipe inoxidizing coating frock of polishing comprises grinding device and stop device, and the polishing of pipe inoxidizing coating is accomplished in the two cooperation, grinding device includes that locking adjusting rod 1, the fixed upper bracket 2 of polishing head, adjust knob 3, packing ring 4, locating pin 5, twist grip 6, the fixed lower carriage 7 of polishing head, curved surface polish head 8, thrust spring 9, stop device includes rubber pad 10, stop device upper bracket 11, flexible support arm 12, tensile force adjusting knob 13, stop device lower carriage 14, locking lever 15, connecting pin 16, annular couple 17.
The polishing head fixing upper support 2 and the polishing head fixing lower support 7 are symmetrical in structure and are both semi-circular structures, and the two structures form a mounting support of the polishing head, and are mainly used for fixing polishing heads with different specifications so as to meet the polishing requirements of catheters with different sizes; one end of the polishing head fixing upper support 2 and one end of the polishing head fixing lower support 7 are locked through the locking adjusting rod 1, the other symmetrical ends are provided with positioning pin shafts 5, and the two ends are connected with the rotating handle 6 through the positioning pin shafts 5, so that the purpose of relative rotation is achieved. The rotating handle 6 is used for providing a handle for an operator to use the tool.
The 6 adjusting knobs 3 are symmetrically arranged on the outer sides of the polishing head fixing upper support 2 and the polishing head fixing lower support 7 (the polishing head fixing upper support (2) and the polishing head fixing lower support (7) are respectively provided with three adjusting knobs) and are used for adjusting the length of the polishing head on the polishing head fixing upper support and the polishing head fixing lower support so as to adapt to catheters with different diameters, and therefore the application range of the tool is expanded. The gasket 4 is arranged between the adjusting knob 3 and the polishing head fixing support, so that the adjusting knob 3 is prevented from being rotated for multiple times to cause abrasion to the polishing head fixing support.
The curved surface polishing head 8 is arranged on the inner sides of the upper polishing head fixing support 2 and the lower polishing head fixing support 7 and is connected with the adjusting knob 3 through the thrust spring 9, the polishing heads with different specifications can be selected according to polishing requirements, and the curved surface polishing head is mainly used for polishing a protective paint layer on the surface of a conduit to guarantee installation requirements. The thrust spring 9 is mainly used for providing a reaction force for the curved surface polishing head 8, and in the process that the diameter of the guide pipe is gradually reduced, the polishing head is always in close contact with the guide pipe until the metal layer is exposed.
The upper limiting device bracket 11 and the lower limiting device bracket 14 are symmetrical in structure and are both in a semi-circular arc shape, and one ends of the upper limiting device bracket and the lower limiting device bracket are connected through a connecting pin shaft 16 to achieve the purpose of free rotation; the other end of symmetry: the lower limiting device support 14 is provided with a locking lever 15, the upper limiting device support 11 is provided with a barb structure, the two are connected through an annular hook 17, and the locking lever 15 and the annular hook 17 jointly form a locking structure of the limiting device. The upper limiting device bracket 11 is mainly used for providing an opening and closing support arm for the limiting device, and the lower limiting device bracket 14 is mainly used for providing an adjusting bracket for the telescopic support arm 12.
The rubber pad 10 is arranged on the inner side of the upper bracket 11 of the limiting device and used for limiting the position of the clamp after the clamp is fixed on the catheter so as to prevent the clamp from damaging the catheter.
The telescopic support arm 12 is arranged on the inner side of the lower bracket 14 of the limiting device and is mainly used for clamping catheters with different diameters; the telescopic support arm 12 is connected with a tension adjusting button 13 arranged on the outer side of a lower support 14 of the limiting device, and the tension adjusting button 13 is mainly used for changing the length of the telescopic support arm 12 so as to adapt to catheters with different diameters.
A use method of a pipe protective layer grinding tool comprises the following steps:
(1) according to the requirements of the diameter of the conduit to be polished and the polishing size range, 6 curved surface polishing heads 8 meeting the requirements are selected, the length of the curved surface polishing heads is determined by adjusting knobs 3, and then the curved surface polishing heads are installed on a polishing head fixing upper support 2 and a polishing head fixing lower support 7;
(2) formally installing the guide pipe, and determining the actual installation position of the lap joint line hoop;
(3) rotating a tension adjusting button 13 to shorten the length of the telescopic support arm 12 in the limiting device, then opening an upper bracket 11 of the limiting device, and clamping a catheter to be polished between the upper bracket and a lower bracket 14 of the limiting device;
(4) the position of the locking lever 15 is adjusted to enable the annular hook 17 to be hung in a locking hook of the upper bracket 11 of the limiting device and locked;
(5) rotating the tension adjusting button 13 to lengthen the length of the telescopic support arm 12 in the limiting device, so that the telescopic support arm 12 props against the catheter to ensure that the limiting device is fixed;
(6) loosening the locking adjusting rod 1, then opening the polishing head fixing upper support 2, clamping the conduit in the polishing device, then enabling the side surface of the polishing device to abut against the outer side corresponding to the limiting device, screwing down the locking adjusting rod 1, enabling the 6 curved surface polishing heads 8 to be in close contact with the protective layer of the outer wall of the conduit, and paying attention to the fact that each polishing head can guarantee certain flexibility;
(7) the rotating handle 6 is held by hands, repeated rotation is carried out in the operable space, the protective layer around the conduit can be seen to be gradually polished off, and when the metal surface is exposed on the periphery, polishing is finished;
(8) unscrewing the locking adjusting rod 1 and the adjusting locking lever 15, detaching the polishing device and the limiting device from the guide pipe, fixing the lap joint line hoop in a polishing area, and correctly connecting the lap joint line;
(9) for the guide pipe in the narrow area on the machine, the guide pipe is pre-installed on the machine to determine the grinding position, and then the guide pipe is detached from the ground to be ground, and the steps are the same as the steps (3) to (8).
The invention has the beneficial effects that: working efficiency, accuracy, application range and structural particularity. The method comprises the following specific steps:
(1) the pipe guide polishing machine is unique in mechanical structure, uniform in polishing surface and good in quality, and the limiting device is matched on the basis of realizing the polishing function, so that the stability and the accuracy of polishing equipment are guaranteed, and various difficult problems in the prior pipe guide protection layer polishing are solved from different angles.
(2) The invention adopts a plurality of series of quality prevention and control mechanical structures, thoroughly avoids the defects that the prior manual polishing of the super-region by using sand paper needs to be repainted again or the polishing quality is poor, so that the conduit is scrapped, and the like, strictly ensures the quality and greatly improves the working efficiency.
(3) In the polishing device disclosed by the invention, 6 replaceable curved surface polishing heads 8 with different specifications are arranged, so that the consistency of the size of a polishing area of the guide pipe can be ensured, and most importantly, the application range of the whole polishing equipment is expanded.
(4) The limiting device disclosed by the invention is ingeniously provided with the telescopic support arm 12, so that the same limiting device can be ensured to meet the limiting function of catheter polishing areas with different diameters.
(5) The invention has another characteristic that the thrust spring 9 is arranged, and can apply a reaction force on the curved surface polishing head 8, so that the curved surface polishing head 8 is always attached to the outer wall of the conduit in the whole polishing process, and the characteristics that the outer diameter size of the conduit is changed and the polishing force is not changed are further ensured.
Drawings
FIG. 1 is a schematic view of a polishing device according to the present invention;
FIG. 2 is a schematic view of the structure of the position limiting device of the present invention;
in the figure: the polishing device comprises a locking adjusting rod 1, a polishing head fixing upper support 2, an adjusting knob 3, a gasket 4, a positioning pin 5, a rotating handle 6, a polishing head fixing lower support 7, a curved surface polishing head 8, a thrust spring 9, a rubber pad 10, a limiting device upper support 11, a telescopic support arm 12, a tension adjusting button 13, a limiting device lower support 14, a locking lever 15, a connecting pin 16 and an annular hook 17.
Detailed Description
The present invention is further illustrated by the following specific examples.
The utility model provides a pipe inoxidizing coating frock of polishing, pipe inoxidizing coating frock of polishing mainly comprises locking regulation pole 1, the fixed upper bracket 2 of polishing head, adjust knob 3, packing ring 4, positioning pin 5, twist grip 6, the fixed lower carriage 7 of polishing head, curved surface polishing head 8, thrust spring 9, rubber pad 10, stop device upper bracket 11, flexible support arm 12, tensile force adjusting knob 13, stop device lower carriage 14, locking lever 15, connecting pin 16, annular couple 17.
The locking adjusting rod 1 is mainly used for locking a conduit to be polished after the conduit is fixed on the polishing head fixing upper support 2 and the polishing head fixing lower support 7; the polishing head fixing upper support 2 and the polishing head fixing lower support 7 jointly form a mounting support of the polishing head, and the polishing head fixing upper support and the polishing head fixing lower support are mainly used for fixing polishing heads with different specifications so as to meet the polishing requirements of catheters with different sizes; the adjusting knob 3 is mainly used for adjusting the length of the polishing head on the upper bracket and the lower bracket fixed on the polishing head so as to adapt to catheters with different diameters, thereby expanding the application range of the tool; the gasket 4 is mainly used for separating the polishing fixed support from the adjusting knob 3 and preventing the polishing fixed support from being abraded due to the fact that the adjusting knob 3 is rotated for multiple times; the positioning pin shaft 5 is mainly used for connecting the polishing head fixing upper support 2, the polishing head fixing lower support 7 and the rotating handle 6 together, so that the aim of relative rotation is fulfilled; the rotating handle 6 is mainly used for providing a handle for an operator to use the tool; the curved surface polishing head 8 can select polishing heads with different specifications according to polishing requirements, and is mainly used for polishing off a protective paint layer on the surface of the conduit so as to ensure the installation requirement; the thrust spring 9 is mainly used for providing a reaction force for the curved surface polishing head 8, and in the process that the diameter of the conduit is gradually reduced, the polishing head is always in close contact with the conduit until the metal layer is exposed; the rubber pad 10 is mainly suitable for preventing the catheter from being damaged by clamping after the limiting clamp is fixed on the catheter; the upper bracket 11 of the limiting device is mainly used for providing an opening and closing support arm for the limiting device; the telescopic support arm 12 is mainly used for clamping catheters with different diameters; the tension adjusting button 13 is mainly used for changing the length of the telescopic support arm 12 so as to adapt to catheters with different diameters; the lower bracket 14 of the limiting device is mainly used for providing an adjusting bracket for the telescopic support arm 12; the locking lever 15 and the annular hook 17 jointly form a locking structure of the limiting device; the connecting pin 16 is mainly used for connecting the upper bracket 11 of the limiting device and the lower bracket 14 of the limiting device, so that the purpose of free rotation is achieved.
A use method of a pipe protective layer grinding tool comprises the following steps:
(1) according to the requirements of the diameter of the conduit to be polished and the polishing size range, 6 curved surface polishing heads 8 meeting the requirements are selected, the length of the curved surface polishing heads is determined by adjusting knobs 3, and then the curved surface polishing heads are installed on a polishing head fixing upper support 2 and a polishing head fixing lower support 7;
(2) formally installing a guide pipe to be installed on an airplane according to an installation drawing, and then determining the actual installation position of the lap joint line hoop;
(3) rotating a tension adjusting button 13 to shorten the length of the telescopic support arm 12 in the limiting device, then opening an upper bracket 11 of the limiting device, and clamping the catheter to be polished between the upper bracket and a lower bracket 14 of the limiting device;
(4) the position of the locking lever 15 is adjusted to enable the annular hook 17 to be hung in a locking hook of the upper bracket 11 of the limiting device and locked;
(5) rotating the tension adjusting button 13 to lengthen the length of the telescopic support arm 12 in the limiting device, so that the telescopic support arm 12 props against the catheter to ensure that the limiting device is fixed;
(6) loosening the locking adjusting rod 1, then opening the upper fixed bracket 2 of the polishing head and clamping the conduit in the polishing device, then enabling the side surface of the polishing device to abut against the outer side corresponding to the limiting device, screwing down the locking adjusting rod 1, enabling the 6 curved surface polishing heads 8 to be in close contact with the protective layer on the outer wall of the conduit, and paying attention to the fact that each polishing head can guarantee certain flexibility;
(7) the rotating handle 6 is held by hands, repeated rotation is carried out in the operable space, the protective layer around the conduit can be seen to be gradually polished off, and when the metal surface is exposed on the periphery, polishing is finished;
(8) unscrewing the locking adjusting rod 1 and the adjusting locking lever 15, detaching the polishing device and the limiting device from the guide pipe, fixing the lap joint line hoop in a polishing area, and correctly connecting the lap joint line;
(9) for the guide pipe in the narrow area on the machine, the guide pipe is pre-installed on the machine to determine the grinding position, and then the guide pipe is detached from the ground to be ground, and the steps are the same as the steps (3) to (8).
The above-mentioned embodiments only express the embodiments of the present invention, but not should be understood as the limitation of the scope of the invention patent, it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the concept of the present invention, and these all fall into the protection scope of the present invention.
Claims (2)
1. A pipe protective layer polishing tool is characterized by comprising a polishing device and a limiting device, wherein the polishing device and the limiting device are matched to polish a pipe protective layer, the polishing device comprises a locking adjusting rod (1), a polishing head fixing upper support (2), an adjusting knob (3), a gasket (4), a positioning pin shaft (5), a rotating handle (6), a polishing head fixing lower support (7), a curved surface polishing head (8) and a thrust spring (9), and the limiting device comprises a rubber pad (10), a limiting device upper support (11), a telescopic support arm (12), a tension adjusting knob (13), a limiting device lower support (14), a locking lever (15), a connecting pin shaft (16) and an annular hook (17);
the polishing head fixing upper support (2) and the polishing head fixing lower support (7) are symmetrical in structure, and form a mounting support of the polishing head, and the polishing head fixing upper support and the polishing head fixing lower support are mainly used for fixing polishing heads with different specifications and meeting polishing requirements of catheters with different sizes; one end of the polishing head fixing upper support (2) and one end of the polishing head fixing lower support (7) are locked through a locking adjusting rod (1), the other symmetrical ends are provided with positioning pin shafts (5), and the polishing heads are connected with a rotating handle (6) through the positioning pin shafts (5) to achieve the purpose of relative rotation;
the number of the adjusting knobs (3) is six, and the polishing head fixing upper support (2) and the polishing head fixing lower support (7) are respectively provided with three adjusting knobs for adjusting the length of the polishing head on the polishing head fixing upper support and the polishing head fixing lower support and adapting to catheters with different diameters; the gasket (4) is arranged between the adjusting knob (3) and the polishing head fixing support;
the curved surface polishing head (8) is arranged on the inner sides of the upper polishing head fixing support (2) and the lower polishing head fixing support (7) and is connected with the adjusting knob (3) through a thrust spring (9), and the polishing heads with different specifications are selected according to polishing requirements and are mainly used for polishing a protective paint layer on the surface of the conduit to ensure the installation requirement; the thrust spring (9) is mainly used for providing a reaction force for the curved surface polishing head (8), and the polishing head is always in close contact with the conduit in the process that the diameter of the conduit is gradually reduced until the metal layer is exposed;
the upper bracket (11) of the limiting device is structurally symmetrical with the lower bracket (14) of the limiting device, and one end of the upper bracket is connected with the lower bracket of the limiting device through a connecting pin shaft (16) so as to achieve the purpose of free rotation; the other end of symmetry: a locking lever (15) is arranged on the lower support (14) of the limiting device, a barb structure is arranged on the upper support (11) of the limiting device, the upper support and the barb structure are connected through an annular hook (17), and the locking lever (15) and the annular hook (17) jointly form a locking structure of the limiting device; the upper limiting device support (11) is mainly used for providing an opening and closing support arm for the limiting device, and the lower limiting device support (14) is mainly used for providing an adjusting support arm for the telescopic support arm (12);
the rubber pad (10) is arranged on the inner side of the upper bracket (11) of the limiting device and is used for limiting the position of the clamp after the clamp is fixed on the catheter so as to prevent the catheter from being damaged by clamping;
the telescopic support arm (12) is arranged on the inner side of the lower bracket (14) of the limiting device and is mainly used for clamping catheters with different diameters; the telescopic support arm (12) is connected with a tension adjusting button (13) arranged on the outer side of the lower support (14) of the limiting device, and the tension adjusting button (13) is mainly used for changing the length of the telescopic support arm (12) so as to adapt to catheters with different diameters.
2. The use method of the pipe protective layer grinding tool in claim 1 is characterized by comprising the following steps:
firstly, selecting 6 curved surface polishing heads (8) meeting the requirements according to the requirements of the diameter of a conduit to be polished and the polishing size range, determining the length of the conduit through an adjusting knob (3), and then installing the conduit on a polishing head fixing upper support (2) and a polishing head fixing lower support (7);
secondly, formally installing the guide pipe, and determining the actual installation position of the lap joint line hoop;
thirdly, rotating a tension adjusting button (13) to shorten the length of the telescopic support arm (12) in the limiting device, then opening an upper bracket (11) of the limiting device, and clamping the catheter to be polished between the upper bracket and a lower bracket (14) of the limiting device;
fourthly, adjusting the position of a locking lever (15) to enable an annular hook (17) to be hung in a locking hook of the upper bracket (11) of the limiting device and locked;
fifthly, rotating a tension adjusting button (13) to lengthen the length of the telescopic support arm (12) in the limiting device, so that the telescopic support arm (12) props against the catheter to ensure that the limiting device is not moved;
sixthly, loosening the locking adjusting rod (1), then opening the polishing head to fix the upper support (2), clamping the conduit in the polishing device, then enabling the side surface of the polishing device to abut against the outer side corresponding to the limiting device, screwing down the locking adjusting rod (1), enabling the 6 curved surface polishing heads (8) to be in close contact with a protective layer of the outer wall of the conduit, and paying attention to certain flexibility of each polishing head;
seventhly, holding the rotating handle (6) by hands, and repeatedly rotating in the operable space, so that the protective layer around the conduit can be gradually polished off, and when the metal surface is exposed on the periphery, polishing is finished;
eighthly, unscrewing the locking adjusting rod (1) and the adjusting locking lever (15), detaching the polishing device and the limiting device from the guide pipe, fixing the lap joint line hoop in a polishing area, and correctly connecting the lap joint line;
and step nine, for the guide pipe in the narrow area on the machine, pre-mounting the guide pipe on the machine to determine a grinding position, then detaching the guide pipe on the ground for grinding, and the rest steps are the same as the step three to the step eight.
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| CN202010411542.3A CN111531448A (en) | 2020-05-15 | 2020-05-15 | Conduit protective layer polishing tool and using method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113829201A (en) * | 2021-10-08 | 2021-12-24 | 抚顺市特种设备监督检验所 | Grinding machine for pipeline outer wall welding seam and using method thereof |
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| CN110026893A (en) * | 2019-03-06 | 2019-07-19 | 李伟伟 | A kind of titanium matter intramedullary nail antibacterial metallic materials processing unit (plant) |
| CN212385236U (en) * | 2020-05-15 | 2021-01-22 | 沈阳飞机工业（集团）有限公司 | Pipe inoxidizing coating frock of polishing |
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| CN113829201A (en) * | 2021-10-08 | 2021-12-24 | 抚顺市特种设备监督检验所 | Grinding machine for pipeline outer wall welding seam and using method thereof |
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