CN209850103U - Underwater laser additive repairing device - Google Patents
Underwater laser additive repairing device Download PDFInfo
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- CN209850103U CN209850103U CN201920558733.5U CN201920558733U CN209850103U CN 209850103 U CN209850103 U CN 209850103U CN 201920558733 U CN201920558733 U CN 201920558733U CN 209850103 U CN209850103 U CN 209850103U
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Abstract
The utility model provides an underwater laser additive repair device; the device comprises a laser, a sealing laser head, an air pipe, an inflation valve, an exhaust hood, a fixed sealing ring and a wire feeding assembly; the laser is connected with the sealing laser head through an optical fiber, the sealing laser head extends into the exhaust hood, the fixed sealing ring is fixed at the edge of the opening of the exhaust hood, one end of the air pipe is communicated with a high-pressure air source, and the other end of the air pipe is communicated with the interior of the exhaust hood through an inflation valve; the one end of sending a pipe of sending a subassembly stretches into the exhaust hood, and driving motor and send a deflector roll to set up in the inside cavity of shell, and driving motor drives two synchronous drive and send a deflector roll operation, and the pipe lateral wall that send a that is in the shell is opened has the through-hole, send a deflector roll lateral wall to stretch into in the through-hole that corresponds and with deposit the silk material lateral wall contact. The lower part of the exhaust hood is arranged at a position to be repaired, and high-pressure protective gas is introduced to form a dry cavity in the protective hood; starting a laser to collimate to determine a laser repair starting position point; and (4) the laser sends deposited wires while running a preset repairing program to perform repairing operation.
Description
Technical Field
The utility model relates to a laser vibration material disk prosthetic devices under water in the surface engineering field can be used for boats and ships, platform, nuclear power station underwater mechanism, underwater pipeline etc. to carry out the quick restoration of laser vibration material disk under water.
Background
In recent years, with the increasing world population, the resource consumption is higher and higher, and the ocean resources are abundant, so that all countries in the world aim at the ocean, and the ocean resource development becomes an energy development hotspot of all countries in the world. Since the 20 th century 50 th year China entered the field of offshore oil drilling, through a half century of effort, China made great progress in the relevant technical fields such as offshore drilling, offshore equipment manufacturing and so on, and at present, China invested a large amount of funds to build a plurality of oil and gas development platforms in the North sea. In addition, 15 marine oil and gas fields, 76 platforms and 6 floating production storage vessels (FPSO) are developed and built in the 'one-fifths' period, 1400 kilometers of submarine pipelines are laid, the total investment reaches 1200 hundred million yuan, 'thirteen-fifths' and a large amount of funds are invested in China for the construction of related equipment such as drilling platforms, floating production systems, engineering ships, underwater engineering and the like in a rather long time in the future. In addition, the offshore marine engineering is largely built, and the development to the open sea and the deep sea is also continuous.
Facilities and equipment such as ships, ocean engineering structures, submarine pipelines and the like work on the sea all the year round, the working environment is extremely severe, and the facilities and the equipment are subjected to additional loads caused by storms, waves and tides, seawater corrosion, biological corrosion, sand flow abrasion and ice flow invasion in earthquakes or cold regions besides the working load of the structures. And the major part of the ocean structure is underwater, the inspection and repair after service are difficult, the cost is high, and once major structural damage or overturn accidents occur, the serious loss of lives and properties is caused.
Therefore, maintenance and repair of facilities and equipment such as ships, ocean engineering structures, submarine pipelines and the like are a long-term strategic task, and a large number of maintenance and repair of underwater engineering structures provide new requirements for underwater repair technology.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a laser vibration material disk prosthetic devices under water is provided, this prosthetic devices can be used to boats and ships, platform, nuclear power station underwater mechanism, underwater pipeline etc. under water laser vibration material disk and restore fast.
In order to solve the technical problem, the utility model provides an underwater laser additive repair device;
the device comprises a laser, a sealing laser head, an air pipe, an inflation valve, an exhaust hood, a fixed sealing ring and a wire feeding assembly;
the laser is connected with the sealing laser head through an optical fiber, the sealing laser head extends into the exhaust hood, the sealing laser head is aligned to an area to be repaired, the fixed sealing ring is fixed on the edge of an opening of the exhaust hood, one end of the air pipe is communicated with a high-pressure air source, and the other end of the air pipe is communicated with the interior of the exhaust hood through an inflation valve;
send a subassembly including sending a pipe, shell, driving motor and a plurality of deflector rolls that send silk, send a pipe one end to be in the air discharge hood outside, send the other end of a pipe to stretch into the air discharge hood and be close to and treat prosthetic region, send a pipe hole to supply to deposit the silk material and pass through, the shell parcel is in the middle part outside of sending a pipe, driving motor and a plurality of deflector rolls that send silk set up in the cavity of shell inside, driving motor drives two synchronous send a deflector roll operation, send a deflector roll both ends to support on shell cavity inner wall, the wire feeding pipe lateral wall that is in the shell is opened and is had a plurality of through-holes, the through-hole with send a deflector roll to be the one-to-one relation, send a deflector roll lateral wall to stretch into in the through-.
After the structure is adopted, the part of the equipment needing to be repaired underwater is determined, the lower part of the exhaust hood is arranged at the part needing to be repaired, and high-pressure protective gas is introduced to form a local dry cavity in the protective hood; starting a laser to collimate to determine a laser repair starting position point and a light spot size; the laser enters a preset repairing program and simultaneously feeds deposited wires for repairing; after repairing, surface treatment, flaw detection and other post-treatments are carried out.
Compared with the prior art, the underwater laser additive repairing device has the following advantages:
a continuous wavelength high power fiber laser is used. The fiber laser is convenient for laser transmission, has long transmission distance and is very suitable for practical underwater application; the laser with continuous wavelength can ensure the stability of a heat source during underwater laser additive repair, thereby ensuring the stability of a laser melting pool and good formation of an additive repair layer; the use of high power lasers is beneficial for improving the repair efficiency. The use of a wire feed assembly facilitates wire feed accuracy and wire alignment.
For a clearer understanding of the technical content of the present invention, the underwater laser material increase repairing device is simply referred to as the present repairing device below.
The repairing device also comprises a real-time monitoring component, wherein the implementation monitoring component comprises a monitoring probe, the monitoring probe extends into the exhaust hood, and the monitoring probe is aligned to the area to be repaired; after the structure is adopted, the monitoring probe is used, the underwater laser material increase repairing process can be monitored in real time, and the repairing quality control is facilitated.
The inner wall of the wire feeding guide pipe of the repairing device, which is close to the position of an area to be repaired, is provided with an annular sealing ring which is contacted with deposited wires; after adopting such structure, the annular seal ring can avoid water to get into in the silk pipe.
The port of one side of the wire feeding conduit of the repairing device, which is far away from the exhaust hood, is communicated with a high-pressure air source; after the structure is adopted, the high-pressure air source transmits air into the wire feeding guide pipe, so that positive pressure is generated in the wire feeding guide pipe, and seawater is further prevented from entering.
The laser of the repairing device is a high-power fiber laser with continuous wavelength; after adopting such structure, the laser instrument more accords with this prosthetic devices's technical requirement.
Drawings
Fig. 1 is a state diagram of the use of the embodiment of the prosthetic device.
FIG. 2 is a diagram illustrating the use of a wire feed assembly in an embodiment of the present prosthetic device.
Fig. 3 is an enlarged view of a portion a of fig. 2.
Detailed Description
As shown in fig. 1 to 3
The repairing device comprises a laser 13, a sealing laser head 11, an air pipe 32, an inflation valve 33, an exhaust hood 2, a fixed sealing ring 21, a real-time monitoring assembly and a wire feeding assembly.
The laser 13 is a continuous wavelength high power fiber laser 13, the power supply can be supplied by a shipborne power supply or a generator, and the voltage is 220V alternating current. Laser 13 passes through optic fibre 12 with sealed laser head 11 and is connected, and sealed laser head 11 has waterproof performance, has focusing lens and protective glass in the sealed laser head 11.
The exhaust hood 2 is a high-pressure gas exhaust hood 2 made of metal materials, the exhaust hood 2 is in an inverted funnel shape in general, the sealing laser head 11 extends into the exhaust hood 2, the sealing laser head 11 is located at the top of the exhaust hood 2, the sealing laser head 11 is aligned to an area to be repaired, the fixing sealing ring 21 is adhered to the edge of an opening of the exhaust hood 2, and the exhaust hood 2 is directly communicated with the outside only through the opening.
One end of the air pipe 32 is communicated with a high-pressure air source, the other end of the air pipe 32 is communicated with the interior of the exhaust hood 2 through an inflation valve 33, a high-pressure air bottle 31 is arranged in the high-pressure air source, pure argon is stored in the high-pressure air bottle 31, and the pressure of air in the high-pressure air bottle 31 is not less than 5 MPa.
The implementation monitoring assembly comprises a monitoring probe 41, the monitoring probe 41 is a waterproof sealing high-speed high-definition camera, the monitoring probe 41 extends into the exhaust hood 2, the monitoring probe 41 is aligned to an area to be repaired, the monitoring probe 41 is connected with external monitoring equipment 42 through a wire, and the specific situation during operation can be observed through a display screen of the monitoring equipment 42.
The wire feeding assembly comprises a wire feeding guide pipe 51, a shell 52, a driving motor and two wire feeding guide rollers 53, wherein one end of the wire feeding guide pipe 51 is positioned outside the exhaust hood 2, the other end of the wire feeding guide pipe 51 extends into the exhaust hood 2 and is close to an area to be repaired, a deposited wire 6 can pass through an inner hole of the wire feeding guide pipe 51, the shell 52 is wrapped outside the middle part of the wire feeding guide pipe 51, the driving motor (not shown in the figure) and the two wire feeding guide rollers 53 are arranged in a cavity inside the shell 52, the driving motor synchronously drives the two wire feeding guide rollers 53 to operate (the driving motor synchronously drives one of the wire feeding guide rollers 53, transmission shafts of the two wire feeding guide rollers 53 are meshed through gears), two ends of each wire guide roller are supported on the inner wall of the cavity of the shell 52 through bearings, the shell 52 is internally sealed, two through holes 54 are formed in the, send a deflector roll 53 lateral wall to stretch into corresponding through-hole 54 in and with be in sending a pipe 51 in deposit 6 lateral walls of silk material contact, send a deflector roll 53 the axis of rotation and deposit the axis direction of silk material 6 perpendicularly, two send a deflector roll 53 circumferential direction to drive to deposit silk material 6 and to treating prosthetic regional removal to the accurate, be close to treat that the pipe 51 inner wall of repairing regional position is equipped with and deposits the annular seal ring 55 of silk material 6 contact, send a pipe 51 to keep away from exhaust hood 2 one side port also with high pressurized air source intercommunication.
The process of using the repair device to carry out laser material increase repair on the side surface of the underwater ship body comprises the following steps: firstly, a diver determines an area needing to be repaired underwater of equipment to be repaired underwater, the underwater part of the repairing device is manually placed at the position needing to be repaired, the exhaust hood 2 completely covers the area needing to be repaired, the fixed sealing ring 21 at the edge of the opening of the exhaust hood 2 is in contact with the equipment needing to be repaired, and the equipment needing to be repaired is clamped by an underwater robot;
high-pressure protective gas of a high-pressure gas source is conveyed into the exhaust hood 2 through the gas pipe 32 and the inflation valve 33, the pressure of the high-pressure protective gas is 0.5MPa, and water in the protective hood is discharged, so that a local dry cavity is formed in the protective hood;
starting a laser 13 to collimate to determine a laser repair starting position point and a spot size (3.0mm), determining a repair path of the repair device, adjusting the power of the laser 13 to a preset value of 2000kW, and setting a repair speed of 400 mm/min;
starting a laser 13 to go through a preset repairing program, and simultaneously feeding a deposited wire 6 (an ERNiCrMo-3 welding wire is selected, the diameter of the welding wire is 1.2mm) by using a wire feeding assembly, wherein the wire feeding speed is 200mm/min, and repairing operation is carried out; and after repairing, polishing the repaired surface by using a file, and performing post-treatment such as flaw detection by adopting underwater visual inspection and underwater magnetic particle detection.
The above description is only one embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and improvements can be made without departing from the principle of the present invention, and these should also be considered as belonging to the protection scope of the present invention.
Claims (5)
1. An underwater laser vibration material disk prosthetic devices, characterized by:
the device comprises a laser, a sealing laser head, an air pipe, an inflation valve, an exhaust hood, a fixed sealing ring and a wire feeding assembly;
the laser is connected with the sealing laser head through an optical fiber, the sealing laser head extends into the exhaust hood, the sealing laser head is aligned to an area to be repaired, the fixed sealing ring is fixed on the edge of an opening of the exhaust hood, one end of the air pipe is communicated with a high-pressure air source, and the other end of the air pipe is communicated with the interior of the exhaust hood through an inflation valve;
send a subassembly including sending a pipe, shell, driving motor and a plurality of deflector rolls that send silk, send a pipe one end to be in the air discharge hood outside, send the other end of a pipe to stretch into the air discharge hood and be close to and treat prosthetic region, send a pipe hole to supply to deposit the silk material and pass through, the shell parcel is in the middle part outside of sending a pipe, driving motor and a plurality of deflector rolls that send silk set up in the cavity of shell inside, driving motor drives two synchronous send a deflector roll operation, send a deflector roll both ends to support on shell cavity inner wall, the wire feeding pipe lateral wall that is in the shell is opened and is had a plurality of through-holes, the through-hole with send a deflector roll to be the one-to-one relation, send a deflector roll lateral wall to stretch into in the through-.
2. The underwater laser additive repair device of claim 1, wherein:
the system also comprises a real-time monitoring assembly, wherein the implementation monitoring assembly comprises a monitoring probe, the monitoring probe extends into the exhaust hood, and the monitoring probe is aligned to the area to be repaired.
3. The underwater laser additive repair device of claim 1, wherein:
an annular sealing ring which is contacted with the deposited wires is arranged on the inner wall of the wire feeding guide pipe close to the position of the area to be repaired.
4. The underwater laser additive repair device of claim 1, wherein:
the port of one side of the wire feeding conduit, which is far away from the exhaust hood, is communicated with a high-pressure air source.
5. The underwater laser additive repair device of claim 1, wherein:
the laser is a high-power fiber laser with continuous wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920558733.5U CN209850103U (en) | 2019-04-23 | 2019-04-23 | Underwater laser additive repairing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920558733.5U CN209850103U (en) | 2019-04-23 | 2019-04-23 | Underwater laser additive repairing device |
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| CN209850103U true CN209850103U (en) | 2019-12-27 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202259A (en) * | 2019-04-23 | 2019-09-06 | 安徽科技学院 | Underwater laser increases material prosthetic device |
| CN111846145A (en) * | 2020-05-11 | 2020-10-30 | 东南大学 | Marine equipment with self-repairing and underwater facility repairing functions and method |
| CN112122607A (en) * | 2020-10-10 | 2020-12-25 | 哈尔滨工程大学 | Additive repair material suitable for marine oscillation working condition and molten pool stability-shape regulation and control method |
| CN112935554A (en) * | 2021-02-26 | 2021-06-11 | 江苏大学 | Laser surface treatment device and method for key structure of ice skate of port icebreaker |
| CN117564449A (en) * | 2024-01-15 | 2024-02-20 | 广东腐蚀科学与技术创新研究院 | Environment-adjustable laser additive manufacturing and in-situ electrochemical polishing combined machining device and method |
-
2019
- 2019-04-23 CN CN201920558733.5U patent/CN209850103U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202259A (en) * | 2019-04-23 | 2019-09-06 | 安徽科技学院 | Underwater laser increases material prosthetic device |
| CN111846145A (en) * | 2020-05-11 | 2020-10-30 | 东南大学 | Marine equipment with self-repairing and underwater facility repairing functions and method |
| CN112122607A (en) * | 2020-10-10 | 2020-12-25 | 哈尔滨工程大学 | Additive repair material suitable for marine oscillation working condition and molten pool stability-shape regulation and control method |
| CN112122607B (en) * | 2020-10-10 | 2023-05-09 | 哈尔滨工程大学 | Material adding and repairing material suitable for ocean oscillation working condition and stability-shape regulation and control method of molten pool |
| CN112935554A (en) * | 2021-02-26 | 2021-06-11 | 江苏大学 | Laser surface treatment device and method for key structure of ice skate of port icebreaker |
| CN117564449A (en) * | 2024-01-15 | 2024-02-20 | 广东腐蚀科学与技术创新研究院 | Environment-adjustable laser additive manufacturing and in-situ electrochemical polishing combined machining device and method |
| CN117564449B (en) * | 2024-01-15 | 2024-04-23 | 广东腐蚀科学与技术创新研究院 | Environment-adjustable laser additive manufacturing and in-situ electrochemical polishing combined machining device and method |
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