Steam turbine generator rotor balance assembly convenient to install

Abstract

The utility model relates to the technical field of turbonator rotors, in particular to a turbonator rotor balancing assembly convenient to install, which comprises a driving part, the outer wall of the driving part is movably abutted against the inner wall of an installing part, and the inner wall of the installing part is movably inserted into the outer wall of one end of a locking part. The outer wall, away from the two ends, of the locking piece is movably connected with the inner wall of the driving piece in an inserted mode, the adjusting block is rotated to move in the threaded hole, meanwhile, the transmission rod is driven to rotate in the groove through the connecting column and the transmission strip, then the transmission ring is driven to transversely move along the axis of the transmission rod, and then the balance block is driven to horizontally slide in the balance groove. The adjusting pipe is rotated to drive the threaded column to vertically move along the axis of the adjusting pipe, then the balance block is driven to vertically slide in the balance groove, the distance between the balance block and the rotor body is adjusted, and the position of the balance block can be more accurately adjusted through the multi-dimensional adjusting mode so that the balance requirements under different working conditions can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to steam turbine generator rotor technical field, concretely is a steam turbine generator rotor balance subassembly convenient to installation. BACKGROUND

[0002] The generator rotor is the rotating part of the generator, mainly composed of the conductive rotor winding, the magnetically conductive core, the rotor shaft extension, the guard ring, the center ring, the fan and the like, and bears the heavy responsibility of the energy conversion of the working medium and the torque transmission.

[0003] At present, most of the steam turbine generator rotors on the market will produce centrifugal inertia force and inertia couple torque when rotating at high speed due to the uneven material organization, the error of the part shape, the assembly error, the local asymmetry of the structure shape and the like, and mechanical vibration and noise will be generated under the action of the centrifugal inertia force and the inertia couple torque when the rotor rotates, which accelerates the bearing wear and even seriously affects the performance and service life of the product, therefore, the steam turbine generator rotor balance subassembly convenient to installation is provided. UTILITY MODEL CONTENTS

[0004] The utility model discloses a steam turbine generator rotor balance subassembly convenient to installation to solve the problem that the inertia axis of rotor centroid does not coincide with the rotation axis in the above background technology. In order to realize the above purpose, the utility model provides the following technical scheme: a steam turbine generator rotor balance subassembly convenient to installation, including drive piece, the movable abutment of the inner wall of the drive piece and the inner wall of the mounting piece, the movable insertion of the inner wall of the mounting piece and the outer wall of the one end of locking piece, the movable insertion of the outer wall of the locking piece away from both ends and the inner wall of drive piece, the threaded connection of the inner wall of the mounting piece and the outer wall of the adjusting piece.

[0005] The outer wall of the adjusting piece is connected with the inner wall of the transmission piece, the outer wall of the one end of the transmission piece is movably inserted into the inner wall of the mounting piece, the outer wall of the transmission piece is connected with the inner wall of the balance piece, the outer wall of the balance piece is slidably connected with the inner wall of the drive piece, and the balance piece comprises a transmission ring, a connecting block, an adjusting pipe, a threaded column and a balance block.

[0006] Preferably, the drive piece is composed of a rotating shaft, a rotor body, a balance groove and a mounting groove, the outer wall of the rotating shaft is fixedly connected with the inner wall of the rotor body, the outer wall of the rotor body is provided with the balance groove, and the inner walls on both sides of the rotor body are provided with the mounting grooves.

[0007] Preferably, the mounting piece comprises two bearings, a right mounting disc, a left mounting disc, a threaded hole, a groove and a guide hole, outer walls of the two bearings are fixedly connected with inner walls of the right mounting disc and the left mounting disc respectively, the inner wall of the right mounting disc away from the center is provided with the threaded hole, the right side of the left mounting disc is provided with the groove, and the inner wall of the left mounting disc away from the center is provided with the guide hole, and inner walls of the two bearings are movably abutted with an outer wall of the rotating shaft.

[0008] Preferably, the locking piece is composed of a guide rod, a stud and a locking cap, one end of the guide rod is fixedly welded with one end of the stud, an outer wall of the stud is screwedly connected with an inner wall of the locking cap, the right side of the locking cap is movably abutted with the left side of the left mounting disc, and the end of the guide rod away from the stud is fixedly welded with the left side of the right mounting disc, an outer wall of the other end of the guide rod is movably inserted with an inner wall of the guide hole, and outer walls of the two ends of the guide rod are movably inserted with an inner wall of the mounting groove.

[0009] Preferably, the adjusting piece comprises an adjusting block, a connecting column and a transmission bar, the left side of the adjusting block is fixedly connected with one end of the connecting column, an outer wall of the other end of the connecting column is fixedly welded with an inner wall of the transmission bar, the adjusting block, the connecting column and the transmission bar are all provided with twelve groups, outer walls of the twelve groups of adjusting blocks are screwedly connected with inner walls of the threaded holes, and the twelve groups of adjusting blocks are arranged in a ring shape and at equal distances.

[0010] Preferably, the transmission piece is composed of a transmission rod, a circular groove and a sliding groove, one end of the transmission rod is provided with the circular groove, and the top and the bottom of the circular groove are provided with the sliding grooves, the number of the transmission rods is twelve, inner walls of the circular grooves are slidably connected with outer walls of the twelve groups of connecting columns respectively, inner walls of the sliding grooves are slidably connected with outer walls of the twelve groups of transmission bars respectively, and outer walls of the two ends of the twelve transmission rods are movably inserted with an inner wall of the groove.

[0011] Preferably, an outer wall of the transmission ring is fixedly welded with an outer wall of the connecting block, an inner wall of the connecting block is rotatably connected with an outer wall of the adjusting pipe, an inner wall of the adjusting pipe is screwedly connected with an outer wall of the threaded column, a bottom end of the threaded column is fixedly welded with the top of the balancing block, the number of the transmission ring, the connecting block, the adjusting pipe, the threaded column and the balancing block is twelve, inner walls of the twelve transmission rings are screwedly connected with outer walls of the twelve transmission rods respectively, and outer walls of the twelve balancing blocks are slidably connected with an inner wall of the balancing groove.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] Compared with the prior art, the utility model has the advantages of:In this invention, the rotating adjusting block moves within the threaded hole while simultaneously driving the transmission rod to rotate within the groove via the connecting column and transmission bar. This, in turn, causes the transmission ring to move laterally along the axis of the transmission rod, thereby causing the balance block to slide horizontally within the balance groove. The rotating adjusting tube drives the threaded column to move vertically along the axis of the adjusting tube, which in turn causes the balance block to slide vertically within the balance groove, adjusting its distance from the rotor body. This multi-dimensional adjustment method allows for more precise adjustment of the balance block's position to meet the balance requirements under different working conditions.

[0014] In this invention, after the right mounting plate is placed on the right side of the rotor body, the guide rod is passed through the mounting groove. After the guide hole of the left mounting plate is aligned with the guide rod and inserted, the locking cap is installed on the stud to fix the left and right mounting plates to the rotor body. It can be fixed by simple plug-in and threaded connection without complicated assembly process. The guide rod not only plays the role of connection, but also serves as a guide element in the installation process, ensuring that the left mounting plate can be accurately aligned and inserted into the right mounting plate. The cooperation between the guide hole and the guide rod further enhances the accuracy and stability of the installation. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a cross-sectional view of the present invention;

[0017] Figure 3 This is an exploded view of the present invention;

[0018] Figure 4 This is an exploded view of the right side of the mounting component in this utility model;

[0019] Figure 5 This is a cross-sectional view of the adjusting component and the transmission component in this utility model;

[0020] Figure 6 This is an exploded cross-sectional view of the balancing component in this utility model.

[0021] In the diagram: 1. Drive component; 101. Shaft; 102. Rotor body; 103. Balancing groove; 104. Mounting groove; 2. Mounting component; 201. Bearing; 202. Right mounting plate; 203. Left mounting plate; 204. Threaded hole; 205. Groove; 206. Guide hole; 3. Locking component; 301. Guide rod; 302. Stud; 303. Locking cap; 4. Adjusting component; 401. Adjusting block; 402. Connecting column; 403. Transmission bar; 5. Transmission component; 501. Transmission rod; 502. Circular groove; 503. Slide groove; 6. Balancing component; 601. Transmission ring; 602. Connecting block; 603. Adjusting tube; 604. Threaded column; 605. Balancing block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0023] Please refer to Figures 1 to 6 The utility model provides a kind of steam turbine generator rotor balancing assembly of convenient installation, including driving element 1, the outer wall of driving element 1 and the inner wall of mounting piece 2 movably abut, the inner wall of mounting piece 2 and the outer wall of one end of locking piece 3 movably insert, the outer wall of locking piece 3 away from both ends and the inner wall of driving element 1 movably insert, the inner wall of mounting piece 2 and the outer wall of adjusting element 4 are threadedly connected.

[0024] The outer wall of adjusting element 4 and the inner wall of transmission part 5 are slidably connected, the outer wall of one end of transmission part 5 and the inner wall of mounting piece 2 movably insert, the outer wall of transmission part 5 and the inner wall of balancing element 6 are threadedly connected, the outer wall of balancing element 6 is slidably connected with the inner wall of driving element 1, and balancing element 6 includes transmission ring 601, connecting block 602, adjusting pipe 603, threaded column 604 and balancing block 605.

[0025] In the embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 And Figure 6 Driving element 1 is composed of shaft 101, rotor body 102, balance groove 103 and mounting groove 104, the outer wall of shaft 101 and the inner wall of rotor body 102 are fixedly connected, and the outer wall of rotor body 102 is provided with balance groove 103, and the inner wall of both sides of rotor body 102 is provided with mounting groove 104.

[0026] In the embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 And Figure 6As shown, the mounting piece 2 comprises two bearings 201, a right mounting disc 202, a left mounting disc 203, a threaded hole 204, a groove 205 and a guide hole 206, the outer walls of the two bearings 201 are fixedly connected with the inner walls of the right mounting disc 202 and the left mounting disc 203 respectively, the threaded hole 204 is arranged on the inner wall of the right mounting disc 202 away from the center, the groove 205 is arranged on the right side of the left mounting disc 203, and the guide hole 206 is arranged on the inner wall of the left mounting disc 203 away from the center, the inner walls of the two bearings 201 are movably abutted with the outer wall of the rotating shaft 101, and the bearings 201 can reduce the friction between the right mounting disc 202, the left mounting disc 203 and the rotating shaft 101.

[0027] In the embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , the locking piece 3 is composed of a guide rod 301, a stud 302 and a locking cap 303, one end of the guide rod 301 is fixedly welded with one end of the stud 302, the outer wall of the stud 302 is threadedly connected with the inner wall of the locking cap 303, the right side of the locking cap 303 movably abuts with the left side of the left mounting disc 203, one end of the guide rod 301 away from the stud 302 is fixedly welded with the left side of the right mounting disc 202, the outer wall of the other end of the guide rod 301 movably inserts with the inner wall of the guide hole 206, and the outer wall of the guide rod 301 away from the two ends movably inserts with the inner wall of the mounting groove 104, the right mounting disc 202 is placed on the right side of the rotor body 102, then the guide rod 301 is inserted through the mounting groove 104, the guide hole 206 of the left mounting disc 203 is aligned with the guide rod 301, then the locking cap 303 is installed on the stud 302 to fix the left mounting disc 203 and the right mounting disc 202 on the rotor body 102.

[0028] In the embodiment, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , the adjusting piece 4 comprises an adjusting block 401, a connecting column 402 and a transmission bar 403, the left side of the adjusting block 401 is fixedly connected with one end of the connecting column 402, and the outer wall of the other end of the connecting column 402 is fixedly welded with the inner wall of the transmission bar 403, the adjusting block 401, the connecting column 402 and the transmission bar 403 are all provided with twelve groups, the outer walls of the twelve groups of adjusting blocks 401 are all threadedly connected with the inner walls of the threaded holes 204, the twelve groups of adjusting blocks 401 are arranged in a ring shape and are equidistantly distributed, and the adjusting block 401 is rotated to move in the threaded hole 204.

[0029] In the embodiment, as shown in Figure 1 , Figure 2 , Figure 3, Figure 4 , Figure 5 and Figure 6 As shown, the transmission component 5 consists of a transmission rod 501, a circular groove 502, and a sliding groove 503. One end of the transmission rod 501 is provided with a circular groove 502, and both the top and bottom of the circular groove 502 are provided with sliding grooves 503. The number of transmission rods 501 is set to twelve. The inner wall of the circular groove 502 is slidably connected to the outer wall of the twelve sets of connecting columns 402, and the inner wall of the sliding groove 503 is slidably connected to the outer wall of the twelve sets of transmission bars 403. The outer wall of the end of each of the twelve transmission rods 501 away from the circular groove 502 is movably inserted into the inner wall of the groove 205.

[0030] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the outer wall of the transmission ring 601 is fixedly welded to the outer wall of the connecting block 602, and the inner wall of the connecting block 602 is rotatably connected to the outer wall of the adjusting pipe 603. The inner wall of the adjusting pipe 603 is threadedly connected to the outer wall of the threaded column 604, and the bottom end of the threaded column 604 is fixedly welded to the top of the balance block 605. The number of transmission rings 601, connecting blocks 602, adjusting pipes 603, threaded columns 604 and balance blocks 605 are all set to twelve. The inner walls of the twelve transmission rings 601 are respectively threadedly connected to the outer walls of the twelve transmission rods 501. The outer walls of the twelve balance blocks 605 are all slidably connected to the inner wall of the balance groove 103. By rotating the adjusting pipe 603, the threaded column 604 is driven to move vertically along the axis of the adjusting pipe 603, thereby driving the balance block 605 to slide vertically in the balance groove 103, adjusting its distance from the rotor body 102.

[0031] The usage and advantages of this utility model: The working process of this easy-to-install turbine generator rotor balancing assembly is as follows:

[0032] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6As shown, the right mounting disc 202 is placed on the right side of the rotor body 102, the guide rod 301 is inserted through the mounting groove 104, the guide hole 206 of the left mounting disc 203 is aligned and inserted, the locking cap 303 is installed on the stud 302 to fix the left mounting disc 203 and the right mounting disc 202 on the rotor body 102, which can be fixed by simple insertion and threaded connection without complex assembly process, the guide rod 301 not only plays a role, but also serves as a guide element during installation, which ensures that the left mounting disc 203 can be accurately aligned and inserted into the right mounting disc 202, the cooperation of the guide hole 206 and the guide rod 301 further enhances the accuracy and stability of the installation, the rotary adjusting block 401 moves in the threaded hole 204 while driving the transmission rod 501 to rotate in the groove 205 through the connecting column 402 and the transmission bar 403, and then drives the transmission ring 601 to move transversely along the axis of the transmission rod 501, and then drives the balance block 605 to slide horizontally in the balance groove 103, the threaded column 604 is driven to move vertically along the axis of the adjusting pipe 603 through the rotary adjusting pipe 603, and then drives the balance block 605 to slide vertically in the balance groove 103, adjusts the distance between the balance block 605 and the rotor body 102, the multi-dimensional adjustment mode can more accurately adjust the position of the balance block 605 to meet the balance requirements under different working conditions, and facilitates people to use.

[0033] The basic principle, main characteristics and advantages of the utility model are shown and described above. The technical personnel in the industry should understand that the utility model is not limited by the above examples, the above examples and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A steam turbine generator rotor balancing assembly for ease of installation comprising a drive member (1) characterised in that: The outer wall of the driving piece (1) is movably connected with the inner wall of the mounting piece (2), the inner wall of the mounting piece (2) is movably connected with the outer wall of one end of the locking piece (3), the outer wall of the other end of the locking piece (3) is movably connected with the inner wall of the driving piece (1), and the inner wall of the mounting piece (2) is threadedly connected with the outer wall of the adjusting piece (4). The outer wall of the adjusting piece (4) is slidably connected with the inner wall of the transmission piece (5), the outer wall of one end of the transmission piece (5) is movably connected with the inner wall of the mounting piece (2), the outer wall of the transmission piece (5) is threadedly connected with the inner wall of the balancing piece (6), the outer wall of the balancing piece (6) is slidably connected with the inner wall of the driving piece (1), and the balancing piece (6) comprises a transmission ring (601), a connecting block (602), an adjusting pipe (603), a threaded column (604) and a balancing block (605).

2. A turbine generator rotor balancing assembly for ease of installation according to claim 1, characterized in that: The driving piece (1) comprises a rotating shaft (101), a rotor body (102), a balancing groove (103) and a mounting groove (104), the outer wall of the rotating shaft (101) is fixedly connected with the inner wall of the rotor body (102), the outer wall of the rotor body (102) is provided with the balancing groove (103), and the inner walls on the two sides of the rotor body (102) are provided with the mounting grooves (104).

3. A turbine generator rotor balancing assembly for ease of installation according to claim 2, characterized in that: The mounting piece (2) comprises two bearings (201), a right mounting disc (202), a left mounting disc (203), a threaded hole (204), a groove (205) and a guide hole (206), the outer walls of the two bearings (201) are fixedly connected with the inner walls of the right mounting disc (202) and the left mounting disc (203), respectively, the inner wall of the right mounting disc (202) away from the center is provided with the threaded hole (204), the right side of the left mounting disc (203) is provided with the groove (205), the inner wall of the left mounting disc (203) away from the center is provided with the guide hole (206), and the inner walls of the two bearings (201) are movably connected with the outer wall of the rotating shaft (101).

4. A turbine generator rotor balancing assembly for ease of installation according to claim 3, characterized in that: The locking piece (3) comprises a guide rod (301), a stud (302) and a locking cap (303), one end of the guide rod (301) is fixedly welded with one end of the stud (302), the outer wall of the stud (302) is threadedly connected with the inner wall of the locking cap (303), the right side of the locking cap (303) is movably connected with the left side of the left mounting disc (203), one end of the guide rod (301) away from the stud (302) is fixedly welded with the left side of the right mounting disc (202), the outer wall of the other end of the guide rod (301) is movably connected with the inner wall of the guide hole (206), and the outer walls of the two ends of the guide rod (301) are movably connected with the inner walls of the mounting grooves (104).

5. A balance assembly for a turbogenerator rotor according to claim 3, wherein: The adjusting piece (4) comprises an adjusting block (401), a connecting column (402) and a transmission bar (403), one end of the connecting column (402) is fixedly connected with the left side of the adjusting block (401), and the outer wall of the other end of the connecting column (402) is fixedly welded with the inner wall of the transmission bar (403), the adjusting block (401), the connecting column (402) and the transmission bar (403) are all provided with twelve groups, the outer walls of the twelve groups of adjusting blocks (401) are all in threaded connection with the inner walls of the threaded holes (204), and the twelve groups of adjusting blocks (401) are arranged in a ring shape at equal distances.

6. A turbine generator rotor balancing assembly for ease of installation according to claim 5, characterized in that: The transmission piece (5) is composed of a transmission rod (501), a circular groove (502) and a sliding groove (503), one end of the transmission rod (501) is provided with the circular groove (502), the top and bottom of the circular groove (502) are both provided with the sliding groove (503), the number of the transmission rod (501) is twelve, the inner walls of the circular grooves (502) are respectively in sliding connection with the outer walls of the twelve groups of connecting columns (402), the inner walls of the sliding grooves (503) are respectively in sliding connection with the outer walls of the twelve groups of transmission bars (403), and the outer walls of the other ends of the twelve transmission rods (501) are all in movable insertion with the inner walls of the grooves (205).

7. A turbine generator rotor balancing assembly for ease of installation according to claim 6, characterized in that: The outer wall of the transmission ring (601) is fixedly welded with the outer wall of the connecting block (602), the inner wall of the connecting block (602) is rotationally connected with the outer wall of the adjusting pipe (603), the inner wall of the adjusting pipe (603) is in threaded connection with the outer wall of the threaded column (604), the bottom end of the threaded column (604) is fixedly welded with the top of the balancing block (605), the numbers of the transmission ring (601), the connecting block (602), the adjusting pipe (603), the threaded column (604) and the balancing block (605) are all twelve, the inner walls of the twelve transmission rings (601) are respectively in threaded connection with the outer walls of the twelve transmission rods (501), and the outer walls of the twelve balancing blocks (605) are all in sliding connection with the inner walls of the balancing grooves (103).

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