CN113814649A - Online repairing device and method for inner wall of circular hole - Google Patents
Online repairing device and method for inner wall of circular hole Download PDFInfo
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- CN113814649A CN113814649A CN202110930714.2A CN202110930714A CN113814649A CN 113814649 A CN113814649 A CN 113814649A CN 202110930714 A CN202110930714 A CN 202110930714A CN 113814649 A CN113814649 A CN 113814649A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000008439 repair process Effects 0.000 claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims description 44
- 239000004519 grease Substances 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
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Abstract
The invention discloses an online repairing device and method for the inner wall of a round hole, wherein the online repairing device is connected to a hole component to be repaired and comprises a cutter body which can stretch into the round hole of the hole component, the cutter body rotates around the axis of the round hole and cuts and repairs the inner wall of the round hole of the hole component, and the repairing device has the advantages of no need of breaking and dismantling the component, realization of online on-site repairing, high repairing efficiency and the like. The repairing method also has the advantages of simple steps, convenient operation and capability of realizing rapid in-situ repair.
Description
Technical Field
The invention relates to the technical field of component repair, in particular to an online repair device and method for a circular hole inner wall.
Background
The actual production equipment comprises a plurality of large tank bodies (including pressure vessels) and large steel structural members, the large equipment needs to be connected with peripheral equipment, so that hole parts connected with the peripheral equipment are designed, the holes can be damaged in advance due to repeated disassembly and assembly or hinge connection abrasion in the use process, the problems of overlarge gaps, sealing failure, leakage and the like are caused, and finally even the whole large equipment can fail, so that the abrasion or deformation of the holes needs to be repaired, and good sealing performance and fit gaps are obtained.
However, the conventional maintenance methods are as follows: the equipment is stopped, the damaged parts are removed from the equipment, and the shape and position sizes are recovered by processing with a conventional machine tool, such as a horizontal boring machine, a planer type milling machine and other large-scale machining main machines. And recovering the original shape and size.
Since these large tanks or large steel structures are often connected to many external devices and pipelines, and these connections are usually assembled on site during installation of the devices, there are problems: 1. the time for detaching the part to be repaired is long, so that the equipment body and other equipment connected with the equipment body cannot work for a long time; 2. after being disassembled for a long time, the shape and the position are changed, and then the connector is usually not aligned when being assembled again; 3. some connecting pieces, equipment parts and even the height of a factory building directly block the to-be-repaired piece, so that the hoisting is difficult; 4. because of the large tank body and the large steel structural member, it is difficult to find a large enough processing device nearby, and the cost is high and the period is long; 5. because some large-scale tank bodies are pressure vessels, the large-scale tank bodies cannot be broken or disassembled for maintenance, and therefore the conventional maintenance method causes huge waste for enterprises.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides an online repairing device for the inner wall of the circular hole, which can realize online on-site repairing and high repairing efficiency without breaking and dismantling parts, and also provides a repairing method based on the online repairing device, which has simple steps and convenient operation and can realize rapid on-site repairing.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the utility model provides an online prosthetic devices of round hole inner wall, connects on waiting the prosthetic hole part, includes the scalable cutter body that goes into in the round hole of hole part, the cutter body revolves around the axis of round hole and cuts the prosthetic hole inner wall of hole part.
As a further improvement of the above online repair device:
the online repair device further comprises a driving assembly, a cutter bar and a holding tool, wherein an inner hole with two through ends is formed in the holding tool, one end of the holding tool is connected to the hole part, the other end of the holding tool is connected with the driving assembly, the cutter bar penetrates through the inner hole of the holding tool, one end of the cutter bar is connected with the driving end of the driving assembly, the other end of the cutter bar is connected with the cutter body, and the driving assembly can drive the cutter bar to drive the cutter body to rotate and move axially relative to the holding tool.
The inner wall of the containing tool is provided with a guide piece which is coaxially sleeved with the cutter bar and allows the cutter bar to pass through, and the guide piece is located between the driving assembly and the hole component and close to the hole component.
The guide comprises a rolling bearing and/or a sliding bearing.
A limiting block is arranged on a rod section between the guide part and the driving assembly in the cutter bar, and an elastic part is arranged between the limiting block and the guide part in a supporting mode.
And the guide piece and the inner hole of the containing tool are surrounded to form a containing cavity for containing lubricating grease.
The cutter bar is provided with an oil guide groove which is opened in the accommodating cavity, and the oil guide groove extends to the cutter body connected with the end part of the cutter bar.
The oil guide groove is formed along a spiral line around the axial direction of the cutter rod.
The top surface of the hole part is provided with a threaded hole; a connecting disc is arranged at the end part, connected with the hole part, in the accommodating tool, a quick connection hole is formed in the position, corresponding to the threaded hole, of the connecting disc, and the connecting disc and the hole part are fastened through a threaded fastener penetrating through the quick connection hole and the threaded hole; the quick connection holes are arc-shaped and are arranged on the circumference where the axis of the hole part is taken as the circle center and the threaded hole is located, the aperture of one end of each quick connection hole is larger than the maximum diameter of the threaded fastener, and the other end of each quick connection hole is matched with the threaded hole.
The driving assembly comprises a rotary driving piece, a connecting seat and a hand wheel, the connecting seat is fixedly connected to the end portion of the containing tool, a track arranged along the axial direction of the hole part is arranged on the connecting seat, the rotary driving piece is arranged on the track in a sliding mode, the driving end of the rotary driving piece is connected with the tool bar, and the hand wheel drives the rotary driving piece to slide along the track.
The cutter body includes tool bit and connecting block, and the tool bit passes through the connecting block and connects the cutter arbor, be equipped with the cutting edge on the tool bit, the radial relative connecting block removal of cutter arbor can be followed to the tool bit.
The connecting block or the cutter head is provided with scales arranged along the radial direction of the cutter rod, and the cutter head or the connecting block is provided with marks matched with the scales.
An online repairing method of a circular hole inner wall is completed based on the online repairing device of the circular hole inner wall, and comprises the following steps:
s1: measuring the diameter of a circular hole of the hole component, and determining the cutting depth of the cutter body according to the diameter of the circular hole and the total cutting quantity, wherein the cutting depth is greater than zero and less than the total cutting quantity;
s2: the cutter body is extended out, the position of the cutter head is adjusted according to the cutting depth, and the cutter body is retracted to a set position;
s3: connecting the online repairing device to the hole part, starting the online repairing device, and enabling the cutter body to continuously rotate and axially move along the hole part until the cutting of the inner wall of the whole circular hole is completed;
s4: the cutting depth is increased by the set amount to be set as a new cutting depth, and steps S2 to S3 are repeated until the cutting by the total cutting amount is completed.
Compared with the prior art, the invention has the advantages that:
the online repairing device for the inner wall of the circular hole comprises a cutter body which can stretch into the circular hole of the hole component, and the cutter body can rotate around the axis of the circular hole so as to realize cutting repair of the inner wall of the circular hole of the hole component. When the hole part of the large-scale equipment is damaged due to operations such as dismounting, wearing and the like of peripheral connecting equipment, the online repairing device can be directly connected to the hole part to be repaired, so that the hole part can be repaired without being dismounted or dismounted from the large-scale equipment, and even a pressure container can be repaired by the online repairing device. Meanwhile, the on-line repairing device can complete repairing on site, in time and on line at the position of the large-scale equipment, avoids complex operations of breaking and dismantling, hoisting, transporting, searching for proper processing equipment for processing, connecting back and the like which are performed by consuming a large amount of manpower, material resources and time, and greatly improves the repairing efficiency of the equipment because the conventional complex repairing process is not needed, reduces the shutdown time of the equipment, and avoids the problem that the connecting equipment cannot be installed back due to the deformation of other connecting equipment because the repairing time is extremely short. Just because the length of time greatly reduced when the single restoration, alright in time restoreing when the equipment is tentatively gone wrong, make equipment be in good running state all the time, avoid causing because production efficiency does not shut down that equipment constantly worsens, finally leads to the condemned consequence of equipment.
The online repairing method for the inner wall of the circular hole has the advantages of simple steps and convenience in operation due to the adoption of the online repairing device for the inner wall of the circular hole, and the repairing of the inner wall of the circular hole is gradually completed by controlling the cutting depth of the cutter body.
Drawings
FIG. 1 is a schematic structural diagram of an on-line repairing device for the inner wall of a circular hole of the invention;
FIG. 2 is a schematic structural diagram of a connecting disc in the online repairing device for the inner wall of the circular hole of the invention;
FIG. 3 is a schematic structural diagram of a cutter body in the online repairing device for the inner wall of the circular hole.
Illustration of the drawings: 1. a hole member; 2. a cutter body; 21. a cutter head; 22. connecting blocks; 3. a drive assembly; 31. a rotary drive member; 32. a connecting seat; 321. a track; 33. a hand wheel; 4. a cutter bar; 41. a limiting block; 42. an elastic member; 43. an oil guide groove; 5. accommodating the tool; 51. a guide member; 52. a cavity; 53. a connecting disc; 531. and (6) quick connection of the holes.
Detailed Description
In order to facilitate understanding of the invention, the invention will be described more fully and in detail with reference to the accompanying drawings and preferred embodiments, but the scope of the invention is not limited to the specific embodiments below.
Example (b):
as shown in fig. 1 and fig. 2, the online repairing device for the inner wall of the circular hole of the embodiment is connected to a hole component 1 to be repaired, and includes a cutter body 2 which can be telescopically inserted into the circular hole of the hole component 1, wherein the cutter body 2 rotates around the axis of the circular hole and cuts and repairs the inner wall of the circular hole of the hole component 1.
When the hole part 1 of the large-scale equipment is damaged due to operations such as dismounting, wearing and the like of peripheral connecting equipment, the online repairing device of the embodiment can be directly connected to the hole part 1 to be repaired, so that the hole part 1 can be repaired without being dismounted or dismounted from the large-scale equipment, and even a pressure container can be repaired by the online repairing device. Meanwhile, the online repairing device can complete repairing on site, timely and online at the position of the large-scale equipment, avoids consuming a large amount of manpower, material resources and time to execute complex operations such as breaking, hoisting, transporting, searching for proper processing equipment, processing and connecting back, and just does not need to experience a conventional complex repairing process, so that the equipment repairing efficiency is greatly improved, the equipment downtime is reduced, and the deformation of other connecting equipment cannot cause the problem of incapability of installing back due to extremely short repairing time. Just because the length of time greatly reduced when the single restoration, alright in time restoreing when the equipment is tentatively gone wrong, make equipment be in good running state all the time, avoid causing because production efficiency does not shut down that equipment constantly worsens, finally leads to the condemned consequence of equipment.
In this embodiment, online prosthetic devices still includes drive assembly 3, cutter arbor 4 and holding frock 5, sets up the hole that both ends link up on the holding frock 5, and holding frock 5 one end is connected on hole part 1, and drive assembly 3 is connected to the other end, and its hole is coaxial with the round hole of hole part 1, and cutter arbor 4 wears to locate in the hole of holding frock 5, and the drive end of drive assembly 3 is connected to one end, and cutter body 2 is connected to the other end. In the repairing process, the driving assembly 3 can drive the cutter bar 4 to rotate, so that the cutter body 2 at the end of the driving assembly can rotate to cut the inner wall of the circular hole, the driving assembly 3 can drive the cutter bar 4 to axially move relative to the accommodating tool 5, the cutter body 2 can axially move relative to the hole component 1, and axial feeding is achieved. The accommodating tool 5 not only provides a connection foundation with the hole component 1 for the online repairing device, but also fully protects the cutter bar 4 serving as a force transmission component as a sleeve structure.
In this embodiment, the inner wall of the accommodating tool 5 is provided with a guide 51 coaxially sleeved with the tool bar 4 and allowing the tool bar 4 to pass through, and the guide 51 is located between the driving assembly 3 and the hole component 1 and close to the hole component 1. In this embodiment, the guide 51 includes a rolling bearing and a sliding bearing, which do not affect the rotation and axial movement of the cutter bar 4, and at the same time, the cutter bar 4 is always in the set axial direction during the movement. The guide 51 and the drive end of the drive assembly 3 together form a stop for the tool shank 4, so that the positional stability, the shock resistance and the strength of the tool shank 4 are optimized.
In this embodiment, be equipped with stopper 41 on the pole section that lies in between guide 51 and drive assembly 3 in the cutter arbor 4, the shore is provided with elastic component 42 between stopper 41 and the guide 51, and elastic component 42's elastic force is opposite with cutter arbor 4's gravity direction, sinks suddenly when avoiding cutter arbor 4 to drive cutter body 2 and carry out the cutting, causes the sword limit to be destroyed scheduling problem.
In this embodiment, the hole of guide 51 and holding frock 5 encloses establishes to be used for holding the appearance chamber 52 of holding lubricating grease, and lubricating grease stores and can lubricate and cool off cutter arbor 4 in this position, sets up the oil groove 43 of leading that opens in appearance chamber 52 on the cutter arbor 4, leads the cutter body 2 that oil groove 43 extends to 4 end connection of cutter arbor, and lubricating grease also can further flow cutter body 2 along leading oil groove 43 and lubricate and cool off.
In this embodiment, the oil guide groove 43 is formed along a spiral line around the axial direction of the holder 4. The oil guide groove 43 arranged in the spiral shape has longer expansion length and larger distribution range on the shaft of the cutter bar 4.
In this embodiment, the top surface of the hole member 1 is provided with threaded holes, and the lengths of the threaded holes of the hole member 1 from the axis of the hole member 1 are the same, that is, the threaded holes are distributed on a circumference using the axis of the hole member 1 as the center of a circle. As shown in fig. 2, a connecting disc 53 is arranged at the connecting end part of the accommodating tool 5 and the hole part 1, a quick connecting hole 531 is arranged at the position corresponding to the threaded hole on the connecting disc 53, and the connecting disc 53 and the hole part 1 are fastened through a threaded fastener penetrating through the quick connecting hole 531 and the threaded hole; the quick-connection hole 531 is arc-shaped and is arranged on the circumference where the threaded hole is located by taking the axis of the hole part 1 as the center of a circle, the aperture of one end of the quick-connection hole 531 is larger than the maximum diameter of the threaded fastener, namely, the diameter of the head of the bolt or other fasteners, and the other end of the quick-connection hole is matched with the threaded hole, so that the threaded fastener can penetrate through the quick-connection hole and is not larger than the diameter of the head. When the online repairing device is installed, one end of the quick connecting hole 531, which is larger than the threaded fastener, is aligned with the threaded fastener to pass through, and then the other end of the quick connecting hole 531 rotates, so that the small-diameter end of the quick connecting hole 531 can be clamped with the threaded fastener, and the quick disassembly and quick connection of the hole part 1 and the online repairing device in the online repairing process can be realized through the structure.
In this embodiment, the driving assembly 3 includes a rotary driving member 31, a connecting seat 32 and a hand wheel 33, the connecting seat 32 is fixedly connected to an end of the accommodating tool 5, a rail 321 axially arranged along the hole component 1 is disposed on the connecting seat 32, the rotary driving member 31 is slidably disposed on the rail 321, a driving end of the rotary driving member 31 is connected to the tool bar 4, the hand wheel 33 drives the rotary driving member 31 to slide along the rail 321, in this embodiment, the hand wheel 33 can drive the rotary driving member 31 to slide through a conventional gear and rack, and can also be driven by other conventional movement driving means, which is not described herein again, and the rotary driving member 31 can be a conventional rotary motor.
In this embodiment, as shown in fig. 3, the cutter body 2 includes a cutter head 21 and a connecting block 22, the cutter head 21 is connected to the cutter bar 4 through the connecting block 22, a cutting edge is disposed on the cutter head 21, and the cutter head 21 can move relative to the connecting block 22 along the radial direction of the cutter bar 4, so as to adjust the radial position of the cutting edge of the cutter head 21 relative to the rotating shaft of the cutter body 2, thereby achieving adjustment of different cutting depths. In this embodiment, be equipped with the scale of radially setting along cutter arbor 4 on connecting block 22, be equipped with the mark with the scale adaptation on tool bit 21, in the adjustment process, can be through the convenient depth of cut that obtains in the scale position that the mark instructed.
The online repairing method for the inner wall of the circular hole is completed based on the online repairing device for the inner wall of the circular hole, and is simple in steps, convenient to implement and capable of completing repairing operation quickly and efficiently. The method comprises the following steps:
s1: measuring the diameter of a circular hole of the hole component 1, and determining the cutting depth of the cutter body 2 according to the diameter of the circular hole and the total cutting quantity, wherein the cutting depth is greater than zero and less than the total cutting quantity; the inner wall of the round hole to be repaired is irregular in shape, so that the amount of the first knife is as small as possible, and the knife breaking is avoided;
s2: the cutter body 2 is extended out, the position of the cutter head 21 is adjusted according to the cutting depth, and the cutter body 2 is retracted to a set position, namely, after the online repairing device is connected to the hole part 1, the cutter body 2 is positioned above the top end of the circular hole and is fed for cutting from top to bottom;
s3: connecting the online repairing device to the hole component 1, starting the online repairing device, and enabling the cutter body 2 to continuously rotate and axially move along the hole component 1 until the cutting of the inner wall of the whole circular hole is completed;
s4: and (4) taking the set amount of increase of the cutting depth as a new cutting depth, and repeating the steps S2-S3 until the cutting of the total cutting amount is finished, wherein each increment is within 2 mm.
In the cutting process, the cutting resistance can be fully sensed through the hand wheel 33, so that the cutting feed speed can be determined according to the cutting resistance.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-described embodiments. It should be apparent to those skilled in the art that modifications and variations can be made without departing from the technical spirit of the present invention.
Claims (13)
1. The utility model provides an online prosthetic devices of round hole inner wall which characterized in that: the hole cutting and repairing device is connected to a hole component (1) to be repaired and comprises a cutter body (2) which can stretch into a round hole of the hole component (1), and the cutter body (2) rotates around the axis of the round hole and cuts and repairs the inner wall of the round hole of the hole component (1).
2. The on-line repairing device for the inner wall of the circular hole according to claim 1, wherein: still include drive assembly (3), cutter arbor (4) and holding frock (5), set up the hole that both ends link up on holding frock (5), holding frock (5) one end is connected on hole part (1), and drive assembly (3) are connected to the other end, cutter arbor (4) are worn to locate in the hole of holding frock (5), and the drive end of drive assembly (3) is connected to one end, and cutter body (2) are connected to the other end, drive assembly (3) can drive cutter arbor (4) and drive cutter body (2) gyration and relative holding frock (5) axial displacement.
3. The on-line repairing device for the inner wall of the circular hole according to claim 2, wherein: the cutter bar is characterized in that a guide piece (51) which is coaxially sleeved with the cutter bar (4) and allows the cutter bar (4) to pass through is arranged on the inner wall of the accommodating tool (5), and the guide piece (51) is located between the driving assembly (3) and the hole component (1) and is close to the hole component (1).
4. The on-line repairing device for the inner wall of the circular hole, according to claim 3, is characterized in that: the guide (51) comprises a rolling bearing and/or a sliding bearing.
5. The on-line repairing device for the inner wall of the circular hole, according to claim 3, is characterized in that: a limiting block (41) is arranged on a rod section, located between the guide piece (51) and the driving assembly (3), in the cutter bar (4), and an elastic piece (42) is arranged between the limiting block (41) and the guide piece (51) in a supporting mode.
6. The on-line repairing device for the inner wall of the circular hole, according to claim 3, is characterized in that: and the guide piece (51) and the inner hole of the containing tool (5) are surrounded to form a containing cavity (52) for containing lubricating grease.
7. The device for repairing the inner wall of the circular hole in an online manner according to claim 6, wherein: offer on cutter arbor (4) and open oil guide groove (43) in holding chamber (52), oil guide groove (43) extend to cutter body (2) of cutter arbor (4) end connection.
8. The on-line repairing device for the inner wall of the circular hole according to claim 7, wherein: the oil guide groove (43) is formed along a spiral line around the axial direction of the cutter rod (4).
9. The on-line repairing device for the inner wall of the circular hole according to claim 2, wherein: the top surface of the hole part (1) is provided with a threaded hole; a connecting disc (53) is arranged at the connecting end part of the accommodating tool (5) and the hole part (1), a quick connecting hole (531) is formed in the connecting disc (53) at the position corresponding to the threaded hole, and the connecting disc (53) and the hole part (1) are fastened through a threaded fastener penetrating through the quick connecting hole (531) and the threaded hole; the quick connection hole (531) is arc-shaped and is arranged on the circumference where the axis of the hole part (1) is used as the circle center and the threaded hole is located, the aperture of one end of the quick connection hole (531) is larger than the maximum diameter of the threaded fastener, and the other end of the quick connection hole is matched with the threaded hole.
10. The on-line repairing device for the inner wall of the circular hole according to claim 2, wherein: drive assembly (3) are including gyration driving piece (31), connecting seat (32) and hand wheel (33), connecting seat (32) fixed connection is equipped with track (321) along the axial arrangement of hole part (1) in the tip of holding frock (5) on connecting seat (32), gyration driving piece (31) are slided and are located on track (321), and cutter arbor (4) are connected to its drive end, and hand wheel (33) drive gyration driving piece (31) slide along track (321).
11. The on-line repairing device for the inner wall of the circular hole according to claim 1, wherein: cutter body (2) include tool bit (21) and connecting block (22), and tool bit (21) pass through connecting block (22) and connect cutter arbor (4), be equipped with the cutting edge on tool bit (21), radial relative connecting block (22) removal that tool bit (21) can be followed cutter arbor (4).
12. The apparatus for repairing the inner wall of a circular hole according to claim 11, wherein: the scale which is arranged along the radial direction of the cutter bar (4) is arranged on the connecting block (22) or the cutter head (21), and the mark which is matched with the scale is arranged on the cutter head (21) or the connecting block (22).
13. An online repairing method for the inner wall of a circular hole, which is completed based on the online repairing device for the inner wall of a circular hole in claim 11, and comprises the following steps:
s1: measuring the diameter of a circular hole of the hole component (1), and determining the cutting depth of the cutter body (2) according to the diameter of the circular hole and the total cutting quantity, wherein the cutting depth is greater than zero and less than the total cutting quantity;
s2: the cutter body (2) is extended out, the position of the cutter head (21) is adjusted according to the cutting depth, and the cutter body (2) is retracted to a set position;
s3: connecting the online repairing device to the hole part (1), starting the online repairing device, and enabling the cutter body (2) to continuously rotate and axially move along the hole part (1) until the cutting of the inner wall of the whole circular hole is completed;
s4: the cutting depth is increased by the set amount to be set as a new cutting depth, and steps S2 to S3 are repeated until the cutting by the total cutting amount is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110930714.2A CN113814649A (en) | 2021-08-13 | 2021-08-13 | Online repairing device and method for inner wall of circular hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110930714.2A CN113814649A (en) | 2021-08-13 | 2021-08-13 | Online repairing device and method for inner wall of circular hole |
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| CN113814649A true CN113814649A (en) | 2021-12-21 |
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|---|---|---|---|
| CN202110930714.2A Pending CN113814649A (en) | 2021-08-13 | 2021-08-13 | Online repairing device and method for inner wall of circular hole |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060143893A1 (en) * | 2003-07-22 | 2006-07-06 | Ebert James L | Method for repairing vehicle axles |
| CN103357928A (en) * | 2013-06-27 | 2013-10-23 | 中广核工程有限公司 | Method for repairing main screw hole of reactor pressure vessel |
| CN103423254A (en) * | 2013-05-21 | 2013-12-04 | 杭州巨星科技股份有限公司 | Fastener fast connecting structure and method and steel cabinet using connecting structure |
| CN106438279A (en) * | 2016-09-06 | 2017-02-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft oil way structure of compressor and compressor with crankshaft oil way structure |
| CN109290734A (en) * | 2018-10-25 | 2019-02-01 | 湘电风能有限公司 | A kind of field repair equipment of large apertures |
-
2021
- 2021-08-13 CN CN202110930714.2A patent/CN113814649A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060143893A1 (en) * | 2003-07-22 | 2006-07-06 | Ebert James L | Method for repairing vehicle axles |
| CN103423254A (en) * | 2013-05-21 | 2013-12-04 | 杭州巨星科技股份有限公司 | Fastener fast connecting structure and method and steel cabinet using connecting structure |
| CN103357928A (en) * | 2013-06-27 | 2013-10-23 | 中广核工程有限公司 | Method for repairing main screw hole of reactor pressure vessel |
| CN106438279A (en) * | 2016-09-06 | 2017-02-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft oil way structure of compressor and compressor with crankshaft oil way structure |
| CN109290734A (en) * | 2018-10-25 | 2019-02-01 | 湘电风能有限公司 | A kind of field repair equipment of large apertures |
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Application publication date: 20211221 |