CN115233213A - Laser cladding repairing device and method for main drive bearing ring of tunnel boring machine - Google Patents
Laser cladding repairing device and method for main drive bearing ring of tunnel boring machine Download PDFInfo
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- CN115233213A CN115233213A CN202210819809.1A CN202210819809A CN115233213A CN 115233213 A CN115233213 A CN 115233213A CN 202210819809 A CN202210819809 A CN 202210819809A CN 115233213 A CN115233213 A CN 115233213A
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- main drive
- bearing ring
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention relates to the field of repairing large-scale main drive bearing ring equipment of a tunnel boring machine, in particular to laser cladding repairing equipment and method for a main drive bearing ring of the tunnel boring machine. The method aims to solve the problems of high repair cost, difficult repair and long repair period of the main drive bearing in the prior art. The device comprises a repair vehicle for bearing cladding equipment and a clamping frame for clamping repaired bearing equipment, wherein the clamping frame is provided with a driving mechanism for driving the repaired bearing equipment to roll. The invention innovating the repair mode of the large-scale main drive bearing for the tunnel boring machine, changing the problem that the traditional main drive bearing must be disassembled and transported to a large-scale machine tool on a factory for repair, and the designed main drive bearing repair equipment for the laser cladding tunnel boring machine can realize the repair of the main bearing ring outside the tunnel on the site of tunnel engineering, and the strength of the repaired bearing ring can meet the design requirement.
Description
Technical Field
The invention relates to the field of repairing equipment of a large-scale main drive bearing ring for a tunnel boring machine, in particular to laser cladding repairing equipment and method of the main drive bearing ring of the tunnel boring machine.
Background
The main driving bearing of the large tunnel boring machine has severe working condition load and high reliability requirement, and the main bearing plays the roles of connecting the cutter head, transmitting torque and bearing main thrust. In the tunneling process, the tunnel boring machine is influenced by different stratums and is influenced by complex load effects such as high impact, large unbalance loading, strong vibration and the like, due to the complexity of load working conditions, when the main driving bearing ring is abnormally damaged, particularly when the inner ring and the outer ring are pitting-corroded or worn, cracks can be generated between the inner ring and the outer ring and the rollers due to pressure, the service life of the main bearing is gradually shortened along with the gradual increase of the cracks, and the main bearing needs to be replaced to a certain extent. The existing method for repairing the losses of the large main drive bearing for the tunnel boring machine mainly comprises the steps of transporting the bearing after disassembly to a factory and overlaying the bearing on a large machine tool for repairing, and the traditional repairing method is high in repairing cost, difficult to repair and long in repairing period.
In the adopted technology, a method for repairing the cracks by adopting laser cladding is proposed, for example, in the published patent document, the application number is CN202010811642.5, namely, a clamp for repairing a sealing runway of a tunnel boring machine by adopting laser cladding and a using method thereof, the clamp with a self-rotating mechanism is used for clamping the sealing runway, and then the repairing of the sealing runway is completed by a cladding mechanism. In addition, the technical idea of clamping and rotating proposed by the patent still has the following technical difficulties for the main drive bearing ring for the tunnel boring machine: 1. the repair of the main drive bearing ring comprises the repair of an inner ring and the repair of an outer ring, the design in a file is compared, and only one surface can be repaired aiming at the sealing runway; 2. the extrusion fixing mode is not beneficial to equipment with high surface precision, and secondary damage can be brought to parts.
In order to solve the problems, the laser cladding main drive bearing ring repair equipment and the repair method for the tunnel boring machine, which are designed by the invention, innovate the repair mode of the large main drive bearing for the existing tunnel boring machine, change the problem that the traditional main drive bearing needs to be disassembled and transported to a large machine tool on the factory, can realize the repair of the main drive bearing ring outside the tunnel on the site of the tunnel engineering, the strength of the repaired bearing ring can meet the design requirements, and solve the problems of repair cost, repair difficulty and long repair period of the large main drive bearing of the existing tunnel boring machine.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the main drive bearing ring in the tunneling machine equipment is high in repair cost, difficult to repair and long in repair period.
The specific scheme of the invention is as follows: designing a main drive bearing ring repairing device and a repairing method for a laser cladding tunnel boring machine, wherein the repairing device comprises a repairing vehicle for bearing cladding equipment and a clamping frame for clamping the repaired main drive bearing ring equipment, and the clamping frame is provided with a driving mechanism for driving the repaired main drive bearing ring equipment to roll; the clamping frame is split and comprises a bottom bracket and an auxiliary supporting frame at the side part, at least 3 line contacts are formed between the clamping frame and the repaired main drive bearing ring device, the side part support comprises a side hydraulic cylinder, the bottom of the side hydraulic cylinder is connected and fixed on the side part supporting frame through a hinge, and the top of the side hydraulic cylinder is connected and provided with a friction roller or a supporting plate through a hinge; the bottom bracket is provided with a clamping jaw, the lower part of the bottom bracket is provided with a sliding platform, the bottom of the sliding platform is provided with a screw hole, a screw rod is arranged in the screw hole and connected with a screw rod motor, and the bottom of the screw rod motor is provided with a motor fixing frame; friction rollers are arranged on the auxiliary support frame, and one of the friction rollers is connected with a transmission motor; the sliding platform is also provided with a circular run-out measuring element; and a lifting adjusting hydraulic cylinder group is arranged at the bottom of the sliding platform.
In specific implementation, the circular runout measuring element comprises an installation support, one end of the installation support is installed on the sliding platform, a positioning point is provided with a rotary connection, and the other end of the installation support is provided with a measuring meter for measuring the roundness.
In concrete implementation, be equipped with altitude mixture control ring on the installing support, altitude mixture control ring with the circle is beated and is measured original paper interference fit, with clearance fit between the preformed hole on the installing support, altitude mixture control ring's outside still is equipped with the fixed block, altitude mixture control ring with be equipped with the locating pin between the fixed block and connect, the fixed block clamps on the preformed hole.
In specific implementation, an adjusting cross rod for adjusting the transverse position of the measuring meter is further arranged on the mounting bracket.
In specific implementation, the clamping jaw comprises a vertical rod and a clamping roller arranged on the vertical rod, and the lower end of the vertical rod is fixed on the bottom bracket.
In specific implementation, the cladding equipment is provided with a freedom degree adjusting support along a three-coordinate direction in a Cartesian coordinate system.
Instead, a support plate is also mounted at the top of the side part hydraulic cylinder.
The repair vehicle is provided with a power source, the tail end of the repair vehicle is provided with a traction ring, the corresponding clamping frame is provided with a pull lug, two ends of the connecting rope are respectively fixed on the traction ring and the pull lug, and a detachable assembling plate is correspondingly arranged between the bottom bracket and the auxiliary support frame.
The method for repairing the main drive bearing ring repairing equipment for the laser cladding tunnel boring machine comprises the following steps:
(1) Transferring the part to be repaired; when the main drive bearing ring is subjected to pitting corrosion or abrasion, the transition is realized by utilizing the hoisting in the shield until the main drive bearing ring is positioned above the clamping frame, and the main drive bearing ring is taken out of a tunnel construction area and enters a spare area;
(2) Measuring data and determining a repair scheme; the clamping frame drives the repaired main driving bearing ring to rotate, the circular run-out measuring original piece measures the abrasion depth in the process, and data are collected to form a repairing scheme;
(3) And (3) repairing: and adjusting the positions of the repairing vehicle and the nozzle to ensure that the repairing vehicle and the nozzle are vertical to the repaired surface and are within the cladding working distance, and the repaired main driving bearing ring rolls at the speed of less than 0.3 r/min to finish the repair of the pitting corrosion or the abrasion point.
And (3) when the crushing points are distributed in a curve shape, starting a screw motor to form a spiral repairing track.
The invention has the beneficial effects that:
the quick repair of the main drive bearing ring for the tunnel boring machine is facilitated, the repair effect is good, and the service life of the equipment is greatly prolonged;
the horizontal displacement of the main driving bearing ring adopts a thread stepping mode, so that the transmission is stable, and the transmission precision is high;
the inner surface or the outer surface can be repaired, the functions are various, and the equipment is assembled equipment and is convenient to repair;
quality inspection measurement can be performed on the repaired equipment, and the repairing effect is improved;
the combination of the hydraulic cylinder and the lead screw motor can realize the attack of the whole clamping frame, namely the lead screw motor is started before and after the extension positioning process of the hydraulic cylinder, the distance of related parts is adjusted, and the effect of adjusting the relative displacement of the parts is realized;
intermittent lifting and stepping can be realized by controlling the lifting hydraulic cylinder, so that the lifting hydraulic cylinder is suitable for working conditions of different stages; the invention can realize transition from the shield tail to the maintenance area by combining the repair vehicle and the clamping frame as a whole, does not need to be hoisted by a truss from the outside, can realize combination into a feeding trolley by simple equipment deformation, then maintains the area, carries out deformation again, and then enters a maintenance station.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a perspective view of another angle of the inventive structure;
FIG. 3 is a front view of the structure shown in FIG. 1;
FIG. 4 is a top view of the structure shown in FIG. 1;
FIG. 5 is a left side view of the structure shown in FIG. 1;
FIG. 6 is a right side view of the structure shown in FIG. 1;
FIG. 7 is a schematic structural view of a circular run-out measuring cell;
fig. 8 is a perspective view of a carrying state;
FIG. 9 is a perspective view of the carrying state in another direction;
names of the components in the figures: 1. repairing the vehicle; 2. a repaired main drive bearing ring device; 3. a bottom bracket; 4. an auxiliary support frame; 5. a claw; 6. a sliding platform; 7. a lead screw; 8. a lead screw motor; 9. a motor fixing frame; 10. the motor fixing frame is a lifting hydraulic cylinder; 11. lifting and adjusting the hydraulic cylinder group; 12. a rubbing roller; 13. mounting a bracket; 14. a measuring meter; 15. a height adjustment ring; 16. a fixed block; 17. adjusting the cross bar; 18. a transverse adjusting groove at the bottom of the adjusting cross rod; 19. cladding nozzles; 20. a support boot; 21. connecting ropes; 22. assembling a plate; 23. a support plate; 24. a friction roller supported at the bottom; the support plate is removed in fig. 8 and 9.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
A laser cladding main drive bearing ring repairing device for a tunnel boring machine is disclosed, referring to figures 1 to 6, and comprises a repairing vehicle 1 for bearing cladding equipment and a clamping frame for clamping a repaired main drive bearing ring device 2, wherein the clamping frame is provided with a driving mechanism for driving the repaired main drive bearing ring device 2 to roll; the clamping frame is split and comprises a bottom bracket 3 and an auxiliary supporting frame 4 at the side part, at least 3 line contacts are formed between the clamping frame and the repaired main drive bearing ring device 2, the side part support comprises a side hydraulic cylinder, the bottom of the side hydraulic cylinder is fixed on the side part supporting frame through hinged support connection, and the top of the side hydraulic cylinder is provided with a friction roller or a supporting plate through hinged support connection; the bottom bracket 3 is provided with a clamping jaw 5, the lower part of the bottom bracket 3 is provided with a sliding platform 6, the bottom of the sliding platform 6 is provided with a screw hole, a screw rod 7 is arranged in the screw hole, the screw rod 7 is connected with a screw rod motor, and the bottom of the screw rod motor is provided with a motor fixing frame; the auxiliary supporting frame 4 is provided with friction rollers 12, and one of the friction rollers 12 is connected with a transmission motor; the sliding platform 6 is also provided with a circular runout measuring element; and a lifting adjusting hydraulic cylinder group 11 is arranged at the bottom of the sliding platform 6. During the restoration, main drive bearing ring can be adjusted to the restoration position at the rolling state, and later the shower nozzle operation, in this embodiment, the position of restoration car 1 also can be adjusted according to concrete operating mode in real time.
The circular runout measuring original comprises a mounting bracket 13, one end of the mounting bracket 13 is mounted on the sliding platform 6, a rotary connection is arranged on a positioning point, and a measuring meter 14 for measuring the roundness is mounted at the other end of the mounting bracket. In the working process, the adjusting cross rod can be rotatably connected with the positioning points, and the measuring meter can be slidably connected with the adjusting cross rod to adjust the position.
Be equipped with altitude mixture ring 15 on installing support 13, altitude mixture ring 15 with the circle is beated and is measured original paper interference fit, with clearance fit between the preformed hole on installing support 13, altitude mixture ring 15's outside still is equipped with fixed block 16, altitude mixture ring 15 with be equipped with the locating pin between the fixed block 16 and be connected, fixed block 16 clamps on the preformed hole. In the working process, the measuring meter 14 is adjusted to the correct position by rotating and pulling in combination with gravity, then positioning is realized by connecting the positioning pins, after the main driving bearing ring rolls, circle run-out of a circle and pitting corrosion or abrasion depth of a pitting corrosion or abrasion part can be measured, and if the main driving bearing ring can contact statistical equipment, the length of the pitting corrosion or abrasion needing to be repaired can also be measured.
The mounting bracket 13 is further provided with an adjusting cross rod 17 for adjusting the transverse position of the measuring gauge 14. The adjusting mode is flexible.
The jack catch 5 includes the pole setting and installs the roller that clamps in the pole setting, the lower extreme of pole setting is fixed on the bottom bracket 3. In a specific working condition, the position of the clamping roller can be adjusted and locked by virtue of a hydraulic cylinder so as to adapt to main drive bearing rings with different widths.
And a freedom degree adjusting bracket in the three-coordinate direction in a Cartesian coordinate system is arranged on the cladding equipment. At each restoration point, settle the shower nozzle position in advance, prepare real-time laser cladding restoration, because from great, rotate the difficulty, still there is the factor of circumference deformation with main drive bearing ferrule circle, do not have the restoration to the main drive bearing ferrule circle that tunnel boring machine used before, can measure the circle in this application and beat on the one hand, on the other hand extends practical measuring equipment, can also measure the circularity of main drive bearing ferrule itself, and split type design, be convenient for when main drive bearing ferrule is out of round, both sides pressurization or tensile, realize reverse correction, the restoration of multiple mode has been realized.
In this embodiment, a support plate 23 and a friction roller 24 supported at the bottom are added for supporting and stabilizing.
In this embodiment, the multiple line contacts realize the stability of the support on the one hand and the stability of the rotation on the other hand.
The method for repairing the main drive bearing ring repairing equipment for the laser cladding tunnel boring machine comprises the following steps:
(1) Transferring the part to be repaired; when the main drive bearing ring is subjected to pitting corrosion or abrasion, the transition is realized by utilizing the hoisting in the shield until the main drive bearing ring is positioned above the clamping frame, and the main drive bearing ring is taken out of a tunnel construction area and enters a spare area;
(2) Measuring data and determining a repair scheme; the clamping frame drives the repaired main driving bearing ring to rotate, the circular run-out measuring original piece measures the abrasion depth in the process, and data are collected to form a repairing scheme;
(3) And (3) repairing: and adjusting the positions of the repairing vehicle and the nozzle to ensure that the repairing vehicle and the nozzle are vertical to the repaired surface and are within the cladding working distance, and the repaired main driving bearing ring rolls at the speed of less than 0.3 r/min to finish the repair of the pitting corrosion or the abrasion point.
And (3) when the crushing points are distributed in a curve shape, starting a screw motor to form a spiral repairing track.
And after the repairing process is finished, the clamping frame is pushed to move and transition by the aid of hoisting equipment in the shield or directly. Similarly, the assembled clamping frame can be directly used for realizing the transition of the equipment in an entrance state without additionally installing long-distance hoisting equipment on a construction site, the clamping frame can be deformed, the overlapped connecting block is used, the clamping frame is taken as a whole after the assembly is finished, the tunnel passes through the tunnel flat trolley short-distance conveying equipment, and the main drive bearing ring is transported between the repair site by the clamping frame after the loading is finished. Furthermore, a connecting rope can be additionally arranged behind the repairing vehicle 1, and the flexible application of equipment is further realized by utilizing the power of the repairing vehicle 1.
Example 2
The principle of the present embodiment is the same as that of embodiment 1, and the specific difference is that instead of installing a support plate on the top of the side hydraulic cylinder, a support plate is installed. The inner side of the supporting plate is an arc surface or a plane, and is in line contact or surface contact with the bearing, the structure of different side parts adapts to different specific working conditions, the structure of the side part in the implementation corresponds to the structure shown in the figures 1 to 6, real-time pressurization and stable adjustment can be realized, and the structure in the embodiment 1 plays a supporting role more.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a laser cladding's tunnelling machine owner drive bearing ring's repair equipment which characterized in that: the device comprises a repairing vehicle (1) for bearing cladding equipment and a clamping frame for clamping repaired main drive bearing ring equipment (2), wherein the clamping frame is provided with a driving mechanism for driving the repaired main drive bearing ring equipment (2) to roll; the clamping frame is split and comprises a bottom bracket (3) and an auxiliary supporting frame (4) at the side part, at least 3 line contacts are formed between the clamping frame and the repaired main drive bearing ring device (2), the side part support comprises a side hydraulic cylinder, the bottom of the side hydraulic cylinder is fixed on the side part supporting frame through hinged support connection, and the top of the side hydraulic cylinder is provided with a friction roller through hinged support connection; the bottom bracket (3) is provided with a clamping jaw (5), the lower part of the bottom bracket (3) is provided with a sliding platform (6), the bottom of the sliding platform (6) is provided with a screw hole, a lead screw (7) is arranged in the screw hole, the lead screw (7) is connected with a lead screw motor, and the bottom of the lead screw motor is provided with a motor fixing frame; friction rollers (12) are arranged on the auxiliary supporting frame (4), and one of the friction rollers (12) is connected with a transmission motor; the sliding platform (6) is also provided with a circular run-out measuring element; and a lifting adjusting hydraulic cylinder group (11) is arranged at the bottom of the sliding platform (6).
2. The laser-clad tunnelling machine main drive bearing ring repair apparatus as claimed in claim 1, which is characterized in that: the circle run-out measuring original comprises an installation support (13), one end of the installation support (13) is installed on the sliding platform (6), a rotating connection is arranged on a positioning point, and a measuring meter (14) for measuring the roundness is installed at the other end of the installation support.
3. The laser-clad tunnel boring machine main drive bearing ring repair apparatus of claim 2, wherein: be equipped with altitude mixture ring (15) on installing support (13), altitude mixture ring (15) with the circle is beated and is measured original paper interference fit, with clearance fit between the preformed hole on installing support (13), the outside of altitude mixture ring (15) still is equipped with fixed block (16), altitude mixture ring (15) with be equipped with the locating pin between fixed block (16) and be connected, fixed block (16) clamp and are in on the preformed hole.
4. The laser-clad tunnel boring machine main drive bearing ring repair apparatus according to claim 4, wherein: and the mounting bracket (13) is also provided with an adjusting cross rod (17) for adjusting the transverse position of the measuring gauge (14).
5. The laser-clad tunnelling machine main drive bearing ring repair apparatus as claimed in claim 1, which is characterized in that: the clamping jaw (5) comprises a vertical rod and a clamping roller arranged on the vertical rod, and the lower end of the vertical rod is fixed on the bottom bracket (3).
6. The laser-clad tunnelling machine main drive bearing ring repair apparatus as claimed in claim 1, which is characterized in that: and a freedom degree adjusting bracket in the three-coordinate direction in a Cartesian coordinate system is arranged on the cladding equipment.
7. The laser-clad tunnelling machine main drive bearing ring repair apparatus as claimed in claim 1, which is characterized in that: and a supporting plate is also arranged at the top of the side part hydraulic cylinder instead.
8. The laser-clad tunnelling machine main drive bearing ring repair apparatus as claimed in claim 1, which is characterized in that: the repair vehicle is provided with a power source, the tail end of the repair vehicle is provided with a traction ring, the corresponding clamping frame is provided with a pull lug, two ends of the connecting rope are respectively fixed on the traction ring and the pull lug, and a detachable assembling plate is correspondingly arranged between the bottom bracket and the auxiliary support frame.
9. A laser cladding main drive bearing ring repairing method for a tunnel boring machine, which uses the laser cladding repairing device for the main drive bearing ring of the tunnel boring machine according to claim 1, and is characterized by comprising the following steps:
(1) Transferring the part to be repaired; when the main drive bearing ring is subjected to pitting corrosion or abrasion, the transition is realized by utilizing the hoisting in the shield until the main drive bearing ring is positioned above the clamping frame, and the main drive bearing ring is taken out of a tunnel construction area and enters a spare area;
(2) Measuring data and determining a repair scheme; the clamping frame drives the repaired main driving bearing ring to rotate, the circular run-out measuring original piece measures the abrasion depth in the process, and data are collected to form a repairing scheme;
(3) And (3) repairing: and adjusting the positions of the repairing vehicle and the nozzle to ensure that the repairing vehicle and the nozzle are perpendicular to the repaired surface and within the cladding working distance, and the repaired main driving bearing ring rolls at the speed of less than 0.3 r/min to finish the repair of the pitting corrosion or the abrasion point.
10. The method for repairing and repairing the main drive bearing ring for the laser cladding tunnel boring machine according to claim 9, wherein: and (3) repairing the worn parts at different track positions by starting the screw motor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210819809.1A CN115233213B (en) | 2022-07-13 | 2022-07-13 | Repairing equipment and method for main driving bearing ring of laser cladding tunnel boring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210819809.1A CN115233213B (en) | 2022-07-13 | 2022-07-13 | Repairing equipment and method for main driving bearing ring of laser cladding tunnel boring machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115233213A true CN115233213A (en) | 2022-10-25 |
| CN115233213B CN115233213B (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210819809.1A Active CN115233213B (en) | 2022-07-13 | 2022-07-13 | Repairing equipment and method for main driving bearing ring of laser cladding tunnel boring machine |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5514849A (en) * | 1993-02-17 | 1996-05-07 | Electric Power Research Institute, Inc. | Rotating apparatus for repairing damaged tubes |
| CN109207991A (en) * | 2018-08-13 | 2019-01-15 | 浙江翰德圣智能再制造技术有限公司 | A kind of renovation technique of axle sleeve |
| US20200001409A1 (en) * | 2016-12-23 | 2020-01-02 | 9349-3039 Québec Inc. | Apparatus for reconditioning a heavy workpiece and method |
| CN209969855U (en) * | 2019-05-29 | 2020-01-21 | 常州市醇通机械科技有限公司 | Cladding repair device |
| CN213203208U (en) * | 2020-09-25 | 2021-05-14 | 熔创金属表面科技(常州)有限公司 | Laser cladding refabrication tool equipment of frame for mine |
| CN114633270A (en) * | 2022-05-06 | 2022-06-17 | 中国石油大学(华东) | Laser repair robot capable of switching working faces |
-
2022
- 2022-07-13 CN CN202210819809.1A patent/CN115233213B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5514849A (en) * | 1993-02-17 | 1996-05-07 | Electric Power Research Institute, Inc. | Rotating apparatus for repairing damaged tubes |
| US20200001409A1 (en) * | 2016-12-23 | 2020-01-02 | 9349-3039 Québec Inc. | Apparatus for reconditioning a heavy workpiece and method |
| CN109207991A (en) * | 2018-08-13 | 2019-01-15 | 浙江翰德圣智能再制造技术有限公司 | A kind of renovation technique of axle sleeve |
| CN209969855U (en) * | 2019-05-29 | 2020-01-21 | 常州市醇通机械科技有限公司 | Cladding repair device |
| CN213203208U (en) * | 2020-09-25 | 2021-05-14 | 熔创金属表面科技(常州)有限公司 | Laser cladding refabrication tool equipment of frame for mine |
| CN114633270A (en) * | 2022-05-06 | 2022-06-17 | 中国石油大学(华东) | Laser repair robot capable of switching working faces |
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| CN115233213B (en) | 2023-04-25 |
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Denomination of invention: Repair Equipment and Method for the Main Drive Bearing Ring of Laser Cladding Tunnel Boring Machine Effective date of registration: 20230807 Granted publication date: 20230425 Pledgee: Bank of China Zhengzhou branch of Limited by Share Ltd. culture Pledgor: China Machinery New Material Research Institute (Zhengzhou) Co.,Ltd. Registration number: Y2023980050871 |