Auxiliary cutting device for slot wedge of wind driven generator rotor
By designing an auxiliary cutting device for wind turbine rotor wedges, the problem of unstable cutting, dust pollution and workpiece damage in existing technologies have been solved, and a more efficient and safer cutting process is achieved.
Patent Information
- Application Number
- CN202421056948.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-05-15
AI Technical Summary
In the prior art, in the process of cutting groove wedges in wind turbines, there are problems such as easy to stagnate or breakage, high dust pollution, and unstable manual operation, resulting in workpiece damage.
A wind turbine rotor slot wedge auxiliary cutting device is designed, which uses components such as a rotating mechanism, apex mechanism, three-jaw centering chuck, cutting motor, cutting blade, dust hood and negative pressure suction pipe to rotate and move The mechanism secures the workpiece stably, and utilizes the cutting blade and dust hood for cutting and dust cleaning.
It achieves the stability and safety of the cutting process, reduces dust pollution, avoids workpiece damage, and improves work efficiency and cleanliness of the working environment.
Smart Images
Figure CN222385998U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a wind generator rotor slot wedge auxiliary cutting device, belonging to the technical field of motor maintenance. Background Art
[0002] With the development of wind power generation technology, wind turbines are being used more and more widely. After a motor has been used for a certain period of time, the motor winding will age or be damaged. When aging or damage occurs, the motor winding needs to be removed. The first step in removing the old winding is to cut and remove the slot wedges in the core slot.
[0003] The existing method of slot wedge cutting and removal is: manually holding an angle grinder with a cutting blade installed to cut the core slot. During the cutting operation, on the one hand, the high-speed rotating cutting blade is very easy to get stuck or damaged, causing certain personal injuries to the operator; on the other hand, the dust generated during cutting is large, which is easy to pollute the working environment of the workshop; on the other hand, during the manual operation, the handheld angle grinder has a certain instability, which is easy to damage the workpiece core and cause irreversible damage to the workpiece. Utility Model Content
[0004] In order to solve the technical problems existing in the prior art, the utility model provides a wind turbine rotor slot wedge auxiliary cutting device which has a simple structure, reasonable design, more stable cutting and less dust pollution.
[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is a wind turbine rotor slot wedge auxiliary cutting device, including a machine base, a rotating mechanism and a top mechanism are respectively installed on both sides of the machine base, a three-jaw centering chuck is installed on the rotating mechanism, a longitudinal adjustment mechanism is installed on the machine base, a transverse movement mechanism is installed on the longitudinal adjustment mechanism, a support plate is installed on the transverse movement mechanism, a cutting motor is installed on one side of the support plate, a cutting blade is installed on the output shaft of the cutting motor, a dust hood is also installed on the rotating mechanism through a swinging mechanism, and a negative pressure dust suction pipe is installed on one side of the dust hood.
[0006] Preferably, the longitudinal adjustment mechanism includes a plurality of guide rods installed on the machine base and a sliding base plate installed on the guide rods through a slider, the two ends of the guide rods are installed on the machine base through a support seat, a control screw rod is provided below the middle part of the sliding base plate, the two ends of the control screw rod are installed on the machine base through a support seat, the bottom of the sliding base plate is connected to the control screw rod through a control nut, and an operating hand wheel is installed on the control screw rod.
[0007] Preferably, the lateral moving mechanism includes two guide rails installed on a sliding base plate and a slide seat installed on the two guide rails, a travel motor is installed on the slide seat, a control rack is installed on the inner side of one of the guide rails, a travel gear is installed on the output shaft of the travel motor, and the travel gear is meshed with the control rack.
[0008] Preferably, the swing mechanism includes an articulated seat installed on the rotating mechanism, a swing rod is installed on the articulated seat through a pin shaft, a dust cover is installed on the free end of the swing rod, two limit holes are provided on the articulated seat, the angle between the two limit holes is 90°, a positioning hole is provided on the swing rod, and a limiting rod is provided in the positioning hole and the limiting hole.
[0009] Preferably, the dust collecting hood is made of a transparent high-strength acrylic plate.
[0010] Compared with the prior art, the utility model has the following technical effects: the utility model has a simple structure and a reasonable design. The existing rotating mechanism can easily rotate the workpiece. At the same time, the three-jaw centering chuck and the top can ensure that the workpiece remains horizontal and fixed firmly. Then the cutting blade is used to cut the slot wedge of the iron core. The stability of the cutting blade during movement can be ensured by setting a slide seat, and the iron core of the workpiece is protected from damage by the cutting blade as much as possible. The dust cover of the cutting blade can ensure that the cutting blade does not endanger personal safety when it is damaged and flies out. The negative pressure dust suction pipe can clean the dust generated during cutting, thereby ensuring a clean working environment in the workshop. By using this device, the work efficiency of employees can be greatly improved and the working time can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a structural schematic diagram of the utility model.
[0012] Figure 2 It is a structural schematic diagram of the longitudinal adjustment mechanism in the utility model. DETAILED DESCRIPTION
[0013] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0014] like Figure 1 and Figure 2As shown, a wind turbine rotor slot wedge auxiliary cutting device includes a machine base 1, a rotating mechanism 2 and a top mechanism 3 are respectively installed on both sides of the machine base 1, a three-jaw centering chuck 4 is installed on the rotating mechanism 2, a longitudinal adjustment mechanism 5 is installed on the machine base 1, a lateral movement mechanism 6 is installed on the longitudinal adjustment mechanism 5, a support plate 7 is installed on the lateral movement mechanism 6, a cutting motor 8 is installed on one side of the support plate 7, a cutting blade 9 is installed on the output shaft of the cutting motor 8, a dust hood 10 is also installed on the rotating mechanism 2 through a swinging mechanism, and a negative pressure dust suction pipe 11 is installed on one side of the dust hood 10.
[0015] The utility model adopts a rotating mechanism 2, a top mechanism 3 and a three-claw centering chuck 4 installed on a machine base 1, and uses the top mechanism 3 and the three-claw centering chuck 4 to fix the rotor of the wind turbine. The machine base 1 is equipped with a longitudinal adjustment mechanism 5 and a lateral movement mechanism 6 to adjust the position of the cutting motor 8 so that the cutting blade on the cutting motor 8 can be aligned with the center line of the rotor of the wind turbine, and then the cutting motor is started to control the cutting blade to rotate to cut the rotor slot wedge of the wind turbine. During the cutting process, the lateral movement mechanism moves slowly until the entire rotor slot wedge is completely cut, and then the rotor of the wind turbine is rotated by a certain angle through the rotating mechanism so that the next rotor slot wedge is aligned with the cutting blade for continued cutting until the slot wedge of the entire rotor is cut. During the cutting process, the dust collecting hood 10 generates negative pressure through the negative pressure dust suction pipe 11 to extract the dust generated by the cutting, thereby reducing the dust pollution on site.
[0016] The longitudinal adjustment mechanism 5 includes a plurality of guide rods 12 mounted on the machine base 1 and a sliding base plate 13 mounted on the guide rods through a slider. The two ends of the guide rods 12 are mounted on the machine base 1 through a support seat. A control screw 14 is arranged below the middle of the sliding base plate 13. The two ends of the control screw 14 are mounted on the machine base 1 through a support seat. The bottom of the sliding base plate 13 is connected to the control screw 14 through a control nut. An operating hand wheel is installed on the control screw 14. The transverse movement mechanism 6 includes two guide rails 15 mounted on the sliding base plate and a slide 16 mounted on the two guide rails. A travel motor 17 is installed on the slide 15. A control rack 18 is installed on the inner side of one of the guide rails 15. A travel gear 19 is installed on the output shaft of the travel motor 17. The travel gear 19 is meshed with the control rack 18. The longitudinal adjustment mechanism 5 and the transverse movement mechanism 6 can control the transverse and longitudinal movement of the cutting motor and control the position of the cutting motor so that the cutting motor can align with the slot wedge of the rotor.
[0017] In addition, the swing mechanism includes an articulated seat 20 installed on the rotating mechanism, a swing rod 21 is installed on the articulated seat 20 through a pin shaft, a dust hood 10 is installed on the free end of the swing rod 21, two limit holes 22 are provided on the articulated seat 20, the angle between the two limit holes 22 is 90°, a positioning hole 23 is provided on the swing rod 21, and a limit rod 24 is provided in the positioning hole 23 and the limit hole 22. The swing mechanism is mainly used to control the position of the dust hood 10, and the limit rod 24 is used to limit the swing mechanism. When not in use, the dust hood can be opened by the swing mechanism to facilitate the installation of the wind turbine rotor. The dust hood 10 is made of a transparent high-strength acrylic plate to facilitate observation of the cutting situation.
[0018] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention shall be included in the scope of the present invention.
Claims
1. A wind turbine rotor slot wedge auxiliary cutting device, comprising a machine base, a rotating mechanism and a top mechanism are respectively installed on both sides of the machine base, and a three-jaw centering chuck is installed on the rotating mechanism, characterized in that: A longitudinal adjustment mechanism is installed on the machine base, a transverse movement mechanism is installed on the longitudinal adjustment mechanism, a support plate is installed on the transverse movement mechanism, a cutting motor is installed on one side of the support plate, a cutting blade is installed on the output shaft of the cutting motor, a dust hood is also installed on the rotating mechanism through a swinging mechanism, and a negative pressure dust suction pipe is installed on one side of the dust hood.
2. A wind turbine rotor slot wedge auxiliary cutting device according to claim 1, characterized in that: The longitudinal adjustment mechanism includes a plurality of guide rods installed on the machine base and a sliding base plate installed on the guide rods through a slider, the two ends of the guide rods are installed on the machine base through a support seat, a control screw rod is arranged below the middle part of the sliding base plate, the two ends of the control screw rod are installed on the machine base through a support seat, the bottom of the sliding base plate is connected to the control screw rod through a control nut, and an operating hand wheel is installed on the control screw rod.
3. A wind turbine rotor slot wedge auxiliary cutting device according to claim 2, characterized in that: The lateral movement mechanism includes two guide rails installed on a sliding base plate and a slide seat installed on the two guide rails, a travel motor is installed on the slide seat, a control rack is installed on the inner side of one of the guide rails, a travel gear is installed on the output shaft of the travel motor, and the travel gear is meshed with the control rack.
4. A wind turbine rotor slot wedge auxiliary cutting device according to any one of claims 1 to 3, characterized in that: The swing mechanism includes an articulated seat installed on the rotating mechanism, a swing rod is installed on the articulated seat through a pin shaft, a dust cover is installed on the free end of the swing rod, two limit holes are provided on the articulated seat, the angle between the two limit holes is 90°, a positioning hole is provided on the swing rod, and a limiting rod is provided in the positioning hole and the limiting hole.
5. The wind turbine rotor slot wedge auxiliary cutting device according to claim 4, characterized in that: The dust collecting cover is made of a transparent high-strength acrylic plate.