CN220468154U - Repairing system for steam turbine rotor system - Google Patents
Repairing system for steam turbine rotor system Download PDFInfo
- Publication number
- CN220468154U CN220468154U CN202321168698.9U CN202321168698U CN220468154U CN 220468154 U CN220468154 U CN 220468154U CN 202321168698 U CN202321168698 U CN 202321168698U CN 220468154 U CN220468154 U CN 220468154U
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- Prior art keywords
- rotor system
- steam turbine
- laser
- turbine rotor
- head
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- 238000004372 laser cladding Methods 0.000 claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- 241001584775 Tunga penetrans Species 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 16
- 230000003247 decreasing effect Effects 0.000 claims abstract description 13
- 239000000654 additive Substances 0.000 claims abstract description 5
- 230000000996 additive effect Effects 0.000 claims abstract description 5
- 238000009966 trimming Methods 0.000 claims abstract description 3
- 239000000843 powder Substances 0.000 claims description 15
- 238000005253 cladding Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 238000000149 argon plasma sintering Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 4
- 238000005245 sintering Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 description 18
- 238000005516 engineering process Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Laser Beam Processing (AREA)
Abstract
The utility model relates to a repairing system of a steam turbine rotor system, which mainly comprises a manipulator, a guide rail slideway, an additive manufacturing laser processing device and an electric jigger; the turbine rotor system is fixed on the turbine base and is supported by a sliding bearing; the guide rail slideway is arranged at one side of the steam turbine rotor system, and the manipulator and the guide rail slideway are matched and slide; the electric jigger is arranged at one end of the steam turbine rotor system and drives the steam turbine rotor system to rotate; the laser cladding head of the material increasing and decreasing manufacturing laser processing device is used for repairing the rotor system gear, and the processing head of the material increasing and decreasing manufacturing laser processing device is used for carrying out secondary processing and trimming on the repaired rotor. The utility model can realize the omnibearing repair of the rotor system.
Description
Technical Field
The utility model belongs to the technical field of steam turbine rotors, and particularly relates to a steam turbine rotor system repairing method, in particular to a steam turbine rotor system repairing system based on an increase-decrease material manufacturing technology.
Background
The rotor system of the steam turbine is complex, and the steam turbine is broken or unbalanced due to the working conditions of water hammer and the like in the steam turbine in a high-temperature environment and needs to be repaired. If the steam turbine cannot be effectively repaired, abnormal vibration and even shutdown of the steam turbine rotor system can be caused, and the repair degree of the steam turbine rotor system directly determines the working state of the steam turbine. However, the turbine rotor system is large and complex in structure, and if the turbine rotor system is removed for restoration, a large amount of manpower waste is caused for installation, and great resource waste is caused. Meanwhile, the whole dynamic balance of the rotor system is not guaranteed, so that the working efficiency of the steam turbine is reduced.
Because the steam turbine is complex in structure and high in installation difficulty, the steam turbine cannot leave a station to repair as much as possible, and therefore, the repair quality of the steam turbine is improved by the repair method of the steam turbine rotor system on the premise that the steam turbine is not moved.
Disclosure of Invention
The utility model provides a repair system for a steam turbine rotor system, which aims to solve the technical problems that: on the premise of not moving the steam turbine, the repair quality of the steam turbine is improved.
In order to solve the technical problems, the utility model provides a repairing system of a steam turbine rotor system, which is characterized in that: the device mainly comprises a manipulator, a guide rail slideway, an additive manufacturing laser processing device and an electric jigger; the turbine rotor system is fixed on the turbine base and is supported by a sliding bearing; the guide rail slideway is arranged at one side of the steam turbine rotor system, and the manipulator and the guide rail slideway are matched and slide; the electric jigger is arranged at one end of the steam turbine rotor system and drives the steam turbine rotor system to rotate; the laser cladding head of the material increasing and decreasing manufacturing laser processing device is used for repairing the rotor system gear, and the processing head of the material increasing and decreasing manufacturing laser processing device is used for carrying out secondary processing and trimming on the repaired rotor.
The inside of the electric jigger is connected with a steam turbine rotor system through a key slot, and the conversion of X and Y axes is realized through bevel gear transmission.
The processing head rotates according to the motor.
The laser processing device for manufacturing the increased or decreased material mainly comprises a laser cladding head, a powder feeding mechanism, a laser, a cold water machine and a processing head; the manipulator is matched with the laser cladding head or the processing head according to the requirement; the powder feeding mechanism is used for feeding cladding powder to the laser cladding head at the circumferential position of the laser cladding head, the laser is used for providing cladding sintering laser for the laser cladding head, the cold water machine is used for integrally providing circulating cooling water for the laser and the laser cladding head, and the laser cladding head is used for laser sintering powder to repair the rotor system gear.
The manipulator realizes six degrees of freedom motion.
The manipulator comprises a first shaft, a second shaft, a third shaft, a fourth shaft, a fifth shaft and a sixth shaft which are sequentially arranged, wherein the first shaft is arranged on a manipulator base and is used for realizing the rotation of the manipulator around the Z-axis direction; six shafts are arranged at the end parts of the five shafts, and the six shafts control the movement of the laser cladding head.
The cutter switching device comprises a cutter, a detection sensor and a placement support, wherein a plurality of cutters are integrally placed on the placement support, and the detection sensor is used for detecting the type of the cutter taken or placed by the processing head.
The beneficial effects are that: the utility model improves the repair quality of the steam turbine on the premise of not moving the steam turbine by changing the technology and the structure on the basis of the additive manufacturing technology. After the rotor system is subjected to laser cladding repair, a secondary machining repair of a repair area is required to be realized by an independent machining head, a material increasing and decreasing manufacturing laser machining device is switched to the machining head, the machining head is utilized to carry out secondary machining repair on the repaired rotor, the machining head rotates according to a motor of the machining head, a function of milling the rotor system is realized, and the material increasing and decreasing manufacturing laser machining device realizes omnibearing repair of the rotor system according to the working state of the rotor system.
Drawings
FIG. 1 is a schematic diagram of a manipulator structure;
FIG. 2 is a schematic view of the structure of a laser cladding head and a processing head;
fig. 3 shows a tool switching device
Fig. 4 is a schematic structural view of the present utility model.
Detailed Description
To make the objects, contents and advantages of the present utility model more apparent, the following detailed description of the specific embodiments of the present utility model will be given.
The utility model provides a repairing system of a steam turbine rotor system, which mainly comprises a manipulator 1, a guide rail slideway 2, an additive manufacturing laser processing device 6 and an electric jigger 7; the turbine rotor system 3 is fixed to the turbine base 5 and supported by a slide bearing 4.
The guide rail slideway is arranged on one side of the steam turbine rotor system 3, the manipulator 1 is matched with the guide rail slideway 2, and the manipulator 1 is moved by a motor to realize movement in the x-axis direction;
the manipulator 1 realizes six-degree-of-freedom motion and mainly comprises a first shaft 11, a second shaft 12, a third shaft 13, a fourth shaft 14, a fifth shaft 15 and a sixth shaft 16, wherein the first shaft 11 is arranged on a manipulator base, and can realize the rotation of the manipulator 1 around the Z-axis direction. Six shafts 16 are arranged at the end parts of the five shafts 15, and the six shafts 16 control the movement of the laser cladding head 61;
the electric jigger 7 is arranged at one end of the turbine rotor system, the inside of the electric jigger is connected with the turbine rotor system 3 by using a key slot, the inside of the electric jigger is connected by using a bevel gear, the conversion of X and Y axes is realized, and the electric jigger is rotated at a slow speed by using a motor to drive the turbine rotor system 3 to rotate by a specified angle to carry out maintenance and maintenance.
The material increasing and decreasing manufacturing laser processing device 6 mainly comprises a laser cladding head 61, a powder feeding mechanism 62, a laser 63, a water chiller 64 and a processing head 65; the manipulator 1 is matched with the laser cladding head 61 or the processing head 65 according to the requirement; the powder feeding mechanism 62 at the circumferential position of the laser cladding head 61 is used for conveying cladding powder to the laser cladding head 61, the laser 63 is used for providing cladding sintering laser for the laser cladding head 61, the water chiller 64 is used for integrally providing circulating cooling water for the laser 63 and the laser cladding head 61, and the laser cladding head 61 is used for laser sintering powder to repair the rotor system gear. The processing head is used for carrying out secondary processing and finishing on the repaired rotor, and the processing head 65 realizes the milling function of the rotor system according to the rotation of the motor.
Still include cutter auto-change over device 8, provide the cutter for the processing head, including cutter 81, detection sensor 82 and place support 83, cutter auto-change over device 8 can switch multiple cutter, and the cutter is whole to be placed on placing support 83, will detect the sensor 82 and detect what kind of cutter is when processing head 65 takes or places cutter 81, can accurately confirm corresponding cutter when processing is maintained.
When the electric jigger is in operation, the steam turbine rotor system 3 does not need to move, the electric jigger 7 is arranged at one end of the steam turbine rotor system, the inside of the electric jigger is connected with the steam turbine rotor system 3 by using a key slot, the inside of the electric jigger is connected with a bevel gear to realize the conversion of X and Y axes, and the electric jigger is rotated at a low speed by using a motor to drive the steam turbine rotor system 3 to rotate by a specified angle;
when the rotor system 3 needs to be subjected to material adding and repairing, a laser cladding head 61 of a material adding and reducing manufacturing laser processing device 6 is matched with the manipulator 1, a powder feeding mechanism 62 at the circumferential position of the laser cladding head 61 is used for feeding cladding powder to the laser cladding head 61, a laser 63 is used for providing cladding sintering laser for the laser cladding head 61, a water chiller 64 is used for providing circulating cooling water for the laser 63 and the laser cladding head 61 as a whole, and the laser cladding head 61 is used for laser sintering powder to realize repairing of a rotor system gear;
after the rotor system is subjected to laser cladding repair, a secondary machining repair of a repair area is required to be realized by an independent machining head, the material increasing and decreasing manufacturing laser machining device 6 is switched to a machining head 65, the machining head 65 is utilized to carry out secondary machining repair on the repaired rotor, the machining head 65 rotates according to a motor of the machining head 65, the milling function of the rotor system is realized, and the material increasing and decreasing manufacturing laser machining device 6 realizes omnibearing repair of the rotor system 3 according to the working state of the rotor system.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (7)
1. A turbine rotor system repair system, characterized by: the device mainly comprises a manipulator, a guide rail slideway, an additive manufacturing laser processing device and an electric jigger; the turbine rotor system is fixed on the turbine base and is supported by a sliding bearing; the guide rail slideway is arranged at one side of the steam turbine rotor system, and the manipulator and the guide rail slideway are matched and slide; the electric jigger is arranged at one end of the steam turbine rotor system and drives the steam turbine rotor system to rotate; the laser cladding head of the material increasing and decreasing manufacturing laser processing device is used for repairing the rotor system gear, and the processing head of the material increasing and decreasing manufacturing laser processing device is used for carrying out secondary processing and trimming on the repaired rotor.
2. A steam turbine rotor system repair system according to claim 1, wherein: the inside of the electric jigger is connected with a steam turbine rotor system through a key slot, and the conversion of X and Y axes is realized through bevel gear transmission.
3. A steam turbine rotor system repair system according to claim 1, wherein: the processing head rotates according to the motor.
4. A steam turbine rotor system repair system according to claim 1, wherein: the laser processing device for manufacturing the increased or decreased material mainly comprises a laser cladding head, a powder feeding mechanism, a laser, a cold water machine and a processing head; the manipulator is matched with the laser cladding head or the processing head according to the requirement; the powder feeding mechanism is used for feeding cladding powder to the laser cladding head at the circumferential position of the laser cladding head, the laser is used for providing cladding sintering laser for the laser cladding head, the cold water machine is used for integrally providing circulating cooling water for the laser and the laser cladding head, and the laser cladding head is used for laser sintering powder to repair the rotor system gear.
5. The steam turbine rotor system repair system of claim 4, wherein: the manipulator realizes six degrees of freedom motion.
6. The steam turbine rotor system repair system of claim 5, wherein: the manipulator comprises a first shaft, a second shaft, a third shaft, a fourth shaft, a fifth shaft and a sixth shaft which are sequentially arranged, wherein the first shaft is arranged on a manipulator base and is used for realizing the rotation of the manipulator around the Z-axis direction; six shafts are arranged at the end parts of the five shafts, and the six shafts control the movement of the laser cladding head.
7. The steam turbine rotor system repair system of claim 6, wherein: the cutter switching device comprises a cutter, a detection sensor and a placement support, wherein a plurality of cutters are integrally placed on the placement support, and the detection sensor is used for detecting the type of the cutter taken or placed by the processing head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321168698.9U CN220468154U (en) | 2023-05-16 | 2023-05-16 | Repairing system for steam turbine rotor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321168698.9U CN220468154U (en) | 2023-05-16 | 2023-05-16 | Repairing system for steam turbine rotor system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220468154U true CN220468154U (en) | 2024-02-09 |
Family
ID=89802369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321168698.9U Active CN220468154U (en) | 2023-05-16 | 2023-05-16 | Repairing system for steam turbine rotor system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220468154U (en) |
-
2023
- 2023-05-16 CN CN202321168698.9U patent/CN220468154U/en active Active
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