Centering tool for front part of fan generator
By using a servo motor-driven reciprocating screw system and a centering fixture with a marking light, automatic centering of the front bearing of the wind turbine generator is achieved, solving the problem of inconvenient position adjustment in existing technologies and improving the ease of operation and accuracy.
Patent Information
- Application Number
- CN202422911425.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-11-28
AI Technical Summary
The existing centering fixture for the front of the generator of a medium-sized wind turbine requires adjustment of the bearing position when moving towards the center, which is inconvenient to use.
A reciprocating screw system driven by a servo motor, combined with marking lights and an adjustment mechanism, enables the automatic centering function of the centering fixture. The marking lights guide the center point of the mating plate, and the centering effect is achieved by the movement of the push block and the support seat.
No need to adjust the position during docking, simplifying the alignment operation and improving ease of use and accuracy.
Smart Images

Figure CN223630260U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field technical field of generator maintenance, concretely to a fan generator front part centering tool. BACKGROUND
[0002] The fan generator set is connected with the output shaft of the main gear box and the input shaft of the generator in the process of use because of the rigid diaphragm coupling, so that the centering of the generator set equipment is prone to causing the wear, distortion and fracture of the components once a problem occurs, thereby causing the production safety accident, and it is very unfavorable for the safe and efficient production operation of the wind power plant.
[0003] For example, the centering tool for the front part of the fan generator with the authorization announcement number "CN220994170U", although it solves the problem of the existing centering tool for the front part of the fan generator, the bolt may cause the device to be unstable, the above-mentioned first base and the second base are driven to move close to each other by the movable telescopic rod, the second gear is rotated, the two first gears meshed with the second gear are simultaneously rotated in opposite directions, the two first gears drive the corresponding lead screws to rotate, the moving table moves forward and backward on the top of the second base, thereby centering the fan front bearing and the fan, considering the centering tool for the front part of the fan generator, after fixing the position of the distance between the two ends in the centering tool, when moving close to the center, the position of the bearing needs to be adjusted left and right, which leads to inconvenient use. SUMMARY
[0004] The utility model aims at solving the problem of the existing centering tool for the front part of the fan generator, when moving close to the center, the position of the bearing needs to be adjusted left and right, which leads to inconvenient use, and provides a centering tool for the front part of the fan generator.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a centering tool for the front part of the fan generator, including the base and the servo motor, the inner wall of the base is fixedly connected with the servo motor, the output shaft of the servo motor is fixedly connected with the reciprocating lead screw, the end of the reciprocating lead screw is rotatably connected with the base, the outer wall of the reciprocating lead screw is screwedly connected with the lead screw nut, the outer wall of the lead screw nut is fixedly connected with the push block, and the upper end of the base is connected with the centering mechanism.
[0006] Preferably, the centering mechanism comprises a fixed frame, the lower end of the fixed frame is fixedly connected with the base, the fixed frame is fixedly connected with the butt joint plate through the bolt, the inner wall of the butt joint plate is processed with the butt joint hole, and the outer wall of the butt joint plate is fixedly connected with the scale.
[0007] Preferably, the outer wall of the base is slidably connected with the first support base, the inner wall of the first support base is slidably connected with the semicircular table, and the upper end of the base is connected with the adjusting mechanism.
[0008] Preferably, the adjusting mechanism comprises a second support base, the lower end of the second support base is in sliding connection with the base, the upper end of the second support base is fixedly connected with the connecting plate, and the inner wall of the connecting plate is in threaded connection with the mounting cylinder.
[0009] Preferably, the outer wall of the semicircular table is provided with a first reticle lamp, the side surface of the semicircular table is fixedly connected with an electric telescopic rod, and the rear end of the electric telescopic rod is fixedly connected with the first support base.
[0010] Preferably, the outer wall of the connecting plate is provided with a second reticle lamp, and the outer wall of the push block is fixedly connected with the first support base.
[0011] The fan generator front centering tool has the advantages that the first reticle lamp on the semicircular table and the second reticle lamp on the connecting plate irradiate the center point of the scale on the butt joint plate, the butt joint plate is fixed to the fixing frame through bolts, the connecting plate and the semicircular table are ensured to be in the horizontal position of the butt joint plate, the push block drives the first support base and the second support base to move to the center of the base, the front bearing and the fan have the centering effect formed by the connecting plate, and it is not necessary to adjust the position during butt joint, and use is more convenient. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a structural schematic view of the utility model;
[0013] Figure 2 It is a Figure 1 middle side view cross-sectional structural schematic view;
[0014] Figure 3 It is a Figure 1 middle top view cross-sectional structural schematic view;
[0015] Figure 4 It is a Figure 2 middle A enlarged structural schematic view;
[0016] Figure 5 It is a Figure 2 middle B enlarged structural schematic view;
[0017] Figure 6 It is a Figure 2 middle C enlarged structural schematic view.
[0018] In the drawing: 1, base, 2, servo motor, 3, reciprocating screw, 4, screw nut, 5, push block, 6, centering mechanism, 601, fixing frame, 602, butt joint plate, 603, butt joint hole, 604, scale, 7, first support base, 8, semicircular table, 9, adjusting mechanism, 901, second support base, 902, connecting plate, 903, mounting cylinder, 10, electric telescopic rod, 11, first reticle lamp, 12, second reticle lamp. DETAILED DESCRIPTION
[0019] The utility model will be further described below with reference to the drawings: EMBODIMENT
[0020] Please refer to Figures 1-6 : in this embodiment, a fan generator front centering tool, including base 1 and servo motor 2, the inner wall of base 1 is fixedly connected with servo motor 2, the model of servo motor 2 is according to actual demand, satisfies work just, the output shaft of servo motor 2 is fixedly connected with reciprocating lead screw 3, the end of reciprocating lead screw 3 is rotatably connected with base 1, the outer wall of reciprocating lead screw 3 is threadedly connected with lead screw nut 4, the outer wall of lead screw nut 4 is fixedly connected with push block 5, the upper end of base 1 is connected with centering mechanism 6.
[0021] Centering mechanism 6 includes fixed frame 601, by the height change of the butt joint hole 603 on the butt joint plate 602 on fixed frame 601, make butt joint hole reach the effect of centering to the outside, the lower end of fixed frame 601 is fixedly connected with base 1, fixed frame 601 is fixedly connected with butt joint plate 602 by bolt, the inner wall of butt joint plate 602 is processed with butt joint hole 603, the outer wall of butt joint plate 602 is fixedly connected with scale 604.
[0022] The outer wall of base 1 is slidably connected with first support base 7, the inner wall of first support base 7 is slidably connected with semicircular table 8, the upper end of base 1 is connected with adjusting mechanism 9, by replacing the installation cylinder 903 of different hole size threadedly installed on connecting plate 902, make installation cylinder 903 reach the effect of size replacement adjustment, adjusting mechanism 9 includes second support base 901, the lower end of second support base 901 is slidably connected with base 1, the upper end of second support base 901 is fixedly connected with connecting plate 902, the inner wall of connecting plate 902 is threadedly connected with installation cylinder 903;
[0023] The first marking lamp 11 on the semicircular table 8 and the second marking lamp 12 on the connecting plate 902 irradiate the numerical center point of the scale 604 on the butt joint plate 602, and the butt joint plate 602 is fixed to the fixed frame 601 by bolts, to ensure that the connecting plate 902 and the semicircular table 8 are in the horizontal position of the butt joint plate, the push block 5 drives the first support base 7 and the second support base 901 to move towards the center of the base 1, so that the front bearing and the fan have the effect of centering formed by the connecting plate 902, without the need to adjust the position during the butt joint process, the use will be more convenient.
[0024] The outer wall of the semicircular table 8 is provided with the first marking lamp 11, the side surface of the semicircular table 8 is fixedly connected with the electric telescopic rod 10, the rear end of the electric telescopic rod 10 is fixedly connected with the first support base 7, the outer wall of the connecting plate 902 is provided with the second marking lamp 12, and the outer wall of the push block 5 is fixedly connected with the first support base 7.
[0025] Working principle:
[0026] First, according to the front bearing of the fan and the size of the fan, select the appropriate size of the butt joint hole 603 on the butt joint plate 602 on both ends, and according to the first mark lamp 11 on the semicircular table 8 and the second mark lamp 12 on the connecting plate 902, the value center point of the scale 604 on the butt joint plate 602 is irradiated, and the butt joint plate 602 is fixed to the fixed frame 601 with bolts, the front bearing of the fan is inserted into the inside of the mounting cylinder 903, the fan is placed in the middle of the semicircular table 8, and the electric telescopic rod 10 starts to work, the electric telescopic rod 10 pushes the semicircular table 8 to fix the fan.
[0027] By connecting the external power supply of the same servo motor 2 at both ends, the servo motor 2 starts to work, the output shaft of the servo motor 2 drives the lead screw nut 4 on the reciprocating lead screw 3 to move, the lead screw nut 4 drives the push block 5 to move, the push block 5 drives the first support base 7 and the second support base 901 to move to the center of the base 1, the mounting cylinder 903 on the connecting plate 902 on the first support base 7 is centered on the butt joint hole 603, and the fan on the semicircular table 8 on the second support base 901 is centered on the butt joint hole 603 on the other side, forming the effect of centering the front bearing and the fan.
[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A front alignment fixture for a wind turbine generator, comprising a base (1) and a servo motor (2), wherein the inner wall of the base (1) is fixedly connected to the servo motor (2), characterized in that: The output shaft of the servo motor (2) is fixedly connected with the reciprocating screw rod (3), the end of the reciprocating screw rod (3) is rotatably connected with the base (1), the outer wall of the reciprocating screw rod (3) is threadedly connected with the screw nut (4), the outer wall of the screw nut (4) is fixedly connected with the push block (5), the upper end of the base (1) is connected with the centering mechanism (6), the centering mechanism (6) comprises a fixed frame (601), the lower end of the fixed frame (601) is fixedly connected with the base (1), the fixed frame (601) is fixedly connected with the butt joint plate (602) through bolts, the inner wall of the butt joint plate (602) is processed with butt joint holes (603), and the outer wall of the butt joint plate (602) is fixedly connected with the scale (604).
2. A wind generator front alignment tool as claimed in claim 1, wherein: The outer wall of the base (1) is slidably connected with the first support base (7), the inner wall of the first support base (7) is slidably connected with the semicircular table (8), and the upper end of the base (1) is connected with the adjusting mechanism (9).
3. A wind generator front alignment fixture as claimed in claim 2, wherein: The adjusting mechanism (9) comprises a second support base (901), the lower end of the second support base (901) is slidably connected with the base (1), the upper end of the second support base (901) is fixedly connected with the connecting plate (902), and the inner wall of the connecting plate (902) is threadedly connected with the mounting cylinder (903).
4. A wind generator front alignment fixture as claimed in claim 3, wherein: The outer wall of the semicircular table (8) is provided with a first reticle lamp (11), the side surface of the semicircular table (8) is fixedly connected with the electric telescopic rod (10), and the rear end of the electric telescopic rod (10) is fixedly connected with the first support base (7).
5. A wind generator front alignment fixture as claimed in claim 4, wherein: The outer wall of the connecting plate (902) is provided with a second reticle lamp (12), and the outer wall of the push block (5) is fixedly connected with the first support base (7).
Citation Information
Patent Citations
A front centering tool for a wind turbine generator
CN220994170U