CN117595565B

CN117595565B - Excitation generator base assembly

Info

Publication number: CN117595565B
Application number: CN202410066115.4A
Authority: CN
Inventors: 张尧波; 张政; 张俐; 张渝杨; 武端端
Original assignee: Nianfeng Fujian Electric Machinery Co ltd
Current assignee: Nianfeng Fujian Electric Machinery Co ltd
Priority date: 2024-01-17
Filing date: 2024-01-17
Publication date: 2024-04-05
Anticipated expiration: 2044-01-17
Also published as: CN117595565A

Abstract

The application discloses an excitation generator base assembly, which comprises a base and a support piece connected to the base, wherein the support piece comprises a support disc and a support rod connected to the support disc, and the support rod is used for connecting a generator; install a plurality of setting elements on the base, the setting element is followed the circumference interval distribution of supporting disk, a plurality of the setting element can be right the supporting disk is fixed a position. The position of motor housing can be adjusted conveniently to this application.

Description

Excitation generator base assembly

Technical Field

The application relates to the technical field of generators, in particular to an excitation generator base assembly.

Background

An exciter is a generator that converts mechanical energy into direct current electrical energy, which converts mechanical energy of a prime mover (typically a turbine or hydroturbine) into direct current electrical energy, which is then fed into the rotor of the generator through an exciter device, causing the rotor to generate a magnetic field.

The current Chinese patent document with the publication number of CN213367602U discloses an energy-saving excitation generator, which comprises a motor shell, a base and a supporting frame, wherein the motor shell is arranged on the base through the supporting frame, a rotating shaft is rotatably arranged in the motor shell, the rotating shaft is connected with an external driving source, and the rotating shaft is rotated to generate current through a rotor winding and other structures in the motor shell. For another example, chinese patent document with publication number CN201887623U discloses a double-rotor core composite excitation synchronous generator, which comprises a stand, wherein devices such as a permanent magnet rotor and a salient pole electric excitation rotor are installed in the stand, a rotating shaft is installed on the stand, the salient pole electric excitation rotor and the permanent magnet rotor are sequentially installed on the rotating shaft, and are connected with an external driving source through the rotating shaft, so that the rotation of the rotating shaft is realized.

The rotating shaft needs to be connected with an external driving source, so that the position of the rotating shaft needs to be aligned with the external driving source. Generally, the base is provided with a mounting hole and is fixed by a bolt, and when the connection position of the rotating shaft and the external driving source deviates, the connection of the rotating shaft is easily affected, and the bolt fixing mode is not convenient for adjusting the position, and if the mounting hole is provided with a waist-shaped groove, the position of the base is easily adjusted, but the positioning effect is easily reduced.

Disclosure of Invention

To facilitate position adjustment, the present application provides an excitation generator base assembly.

The application adopts the following technical scheme:

the base assembly of the excitation generator comprises a base and a supporting piece connected to the base, wherein the supporting piece comprises a supporting disc and a supporting rod connected to the supporting disc, and the supporting rod is used for being connected with the generator; the base is provided with a plurality of positioning pieces which are distributed at intervals along the circumferential direction of the supporting disc, and the plurality of positioning pieces can position the supporting disc;

the base is vertically provided with a rotating shaft through a positioning seat, the positioning piece comprises a positioning seat rotationally connected with the outer wall of the rotating shaft, a locking block slidingly installed on the rotating shaft and a thread block used for driving the locking block to be abutted against the positioning seat, and a guide structure is arranged between the locking block and the rotating shaft so as to limit the rotation of the locking block; the lateral wall of supporting disk has seted up the joint groove, the lateral wall of positioning seat be provided with can the joint in joint ring in the joint groove, the positioning seat with the pivot eccentric setting, the latch segment with be provided with limit structure between the positioning seat, works as the screw thread piece drive the latch segment support tightly in during the positioning seat, can pass through limit structure restriction positioning seat rotates.

Through adopting above-mentioned technical scheme, the supporting disk is located between a plurality of setting elements for the position of supporting disk can be adjusted, after adjusting, through rotating the positioning seat, makes joint ring joint in the joint groove, and fixes a position the positioning seat through the latch segment, consequently under the spacing effect of positioning seat, the supporting disk can not take place the skew again, thereby fixes a position the supporting disk.

Optionally, offer on the base and hold the chamber, just offer a plurality of chambeies of stepping down on holding the lateral wall in chamber, the supporting disk is located hold the chamber, the pivot with the positioning seat is located step down in the chamber, still install annular apron on the base, the apron can the lid in step down the chamber and the butt in the upper surface of supporting disk, be provided with on the apron and be used for right the thread block carries out the anticreep spare of location.

Through adopting above-mentioned technical scheme, the apron is installed on the base and can the butt in the supporting disk to further improve the positioning effect to the supporting disk, make the supporting disk be difficult to upwards take place the motion, under the effect of anticreep spare, the screw thread piece is difficult to take place to rotate, thereby keeps the stability of positioning seat.

Optionally, offer on the positioning seat and be used for holding the annular of latch segment, limit structure including install in first tooth piece of annular inner bottom surface, and connect in the second tooth piece of latch segment bottom surface, first tooth piece is followed annular circumference evenly distributed has a plurality ofly, second tooth piece is followed latch segment circumference evenly distributed has a plurality ofly, have the inclined plane on the second tooth piece, during the latch segment downward movement, first tooth piece tip can support tightly in the inclined plane, so that the positioning seat supports tightly in the supporting disk lateral wall.

Through adopting above-mentioned technical scheme, when the latch segment moves downwards, the tip butt of first tooth piece is on the second tooth piece to restrict the motion of first tooth piece, restrict the motion of positioning seat promptly, and the latch segment makes the better butt of positioning seat tightly on the supporting disk downwards, improves the positioning effect to the supporting disk.

Optionally, the fluting has been seted up to the chamber bottom surface of stepping down, the rotation is connected with the dwang in the fluting, just the rotation point of dwang is located the position department of the central point on dwang length direction, the one end of dwang is located under the pivot, and the other end extends to the direction of supporting disk, the dwang is close to the one end of supporting disk is provided with the latch piece, the bottom surface of positioning seat is provided with the arc rack, just the dwang with the latch piece is associative, when the positioning seat butt in the supporting disk lateral wall, the latch piece downward movement supports tightly in the annular, the latch piece can drive the dwang rotation, so that the latch piece mesh in the arc rack.

Through adopting above-mentioned technical scheme, the positioning seat supports tightly behind the supporting disk, and the latch segment down moves and drives the dwang and rotate for the latch segment meshes in arc rack, thereby consolidates the positioning seat, makes the positioning seat more stable.

Optionally, the pivot is hollow structure, and with the fluting is linked together, the elongated slot has been seted up to the lateral wall of pivot, the latch segment is connected with the piece that extends in the fluting, and install downwardly extending's extension rod on the piece that links, the one end that the dwang is located the pivot below is connected with the spring, spring one end is connected in the dwang, and the other end is connected in the fluting bottom surface, and when the latch segment moves down, the extension rod can conflict on the dwang to the tip downward movement of drive dwang, the spring is compressed, makes the other end of dwang upwards rotates, and then makes latch piece and arc rack looks joint.

Through adopting above-mentioned technical scheme, the extension rod butt is on the dwang to downward movement makes the other end upward movement of dwang, and then makes the latch piece mesh in the arc rack.

Optionally, the round groove that supplies the screw thread piece to pass has been seted up to the correspondence on the apron, the anticreep piece is the drum of screw thread on the apron, the screw thread piece coaxial is located in the drum inner chamber, the drum with the screw thread direction of screw thread piece is opposite, just have the clearance between the drum inner wall with the screw thread piece outer wall, the anticreep piece still includes the anticreep ring, the drum inner wall with the caulking groove has been seted up between the screw thread piece outer wall, be provided with the caulking piece on the anticreep piece, the caulking piece with caulking groove one-to-one, when the anticreep piece is installed between drum and screw thread piece, the caulking piece joint in the caulking groove.

Through adopting above-mentioned technical scheme, under the effect of anticreep spare for the screw thread piece is difficult to take place to rotate again, keeps the location effect to the positioning seat.

Optionally, a plurality of caulking grooves are formed in the cylinder and the threaded block, and the caulking blocks and the caulking grooves are correspondingly arranged.

By adopting the technical scheme, the anti-falling effect on the thread blocks is improved.

In summary, the present application includes at least one of the following beneficial effects:

1. the supporting disk is located between a plurality of locating pieces for the position of supporting disk is adjusted to the convenience, then through rotating the positioning seat, makes joint ring joint in the joint groove, then fixes a position the positioning seat through the latch segment, under the effect of a plurality of positioning seats, can fix a position the supporting disk, and the location of supporting disk is stable and easy operation.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present application;

FIG. 2 is an exploded view of a cover plate according to an embodiment of the present application;

FIG. 3 is a schematic view of a positioning member according to an embodiment of the present application;

FIG. 4 is an exploded view of a positioning member according to an embodiment of the present application;

FIG. 5 is a schematic illustration of a slot embodied in an embodiment of the present application;

fig. 6 is a schematic view of a locking block in an embodiment of the present application.

Reference numerals illustrate: 1. a base; 2. a support; 201. a support plate; 202. a support rod; 3. a positioning piece; 31. a positioning seat; 32. a locking block; 33. a screw block; 4. a rotating shaft; 5. a clamping groove; 6. a clamping ring; 7. a limit structure; 71. a first tooth block; 72. a second tooth block; 73. an inclined surface; 8. a receiving chamber; 9. a relief cavity; 10. a cover plate; 11. an anti-falling member; 111. a cylinder; 112. anti-slip ring; 12. a ring groove; 13. slotting; 14. a rotating lever; 15. a latch block; 16. an arc-shaped rack; 17. a long groove; 18. connecting blocks; 19. an extension rod; 20. a spring; 21. a circular groove; 22. a caulking groove; 23. an insert.

Description of the embodiments

The present application is described in further detail below in conjunction with figures 1-6.

The embodiment of the application discloses an excitation generator base subassembly, generator housing installs on base subassembly. Referring to fig. 1 and 2, the base assembly includes a base 1 and a support 2 mounted on the base 1, and the base 1 is coupled to an external mounting position by means of bolts or the like. The support member 2 comprises a support plate 201 and a support rod 202 vertically fixed on the support plate 201, and the support plate 201 and the support rod 202 can be detachably connected by bolts. In this embodiment, two support members 2 are provided, and the generator housing is connected to the upper ends of the two support rods 202. The base 1 is provided with a positioning piece 3, and after the supporting disc 201 is placed at an accurate position, the supporting disc is positioned by the positioning piece 3.

Referring to fig. 2, the base 1 is provided with a receiving cavity 8, and an abdication cavity 9 is provided on an inner wall of the receiving cavity 8, the supporting plate 201 is located in the receiving cavity 8, and the positioning member 3 is located in the abdication cavity 9. The supporting plate 201 is of a disc-shaped structure, the positioning pieces 3 are provided with a plurality of positioning pieces 3, in the embodiment, each supporting plate 201 corresponds to four positioning pieces 3, the positioning pieces 3 are uniformly distributed along the circumferential direction of the supporting plate 201, and the abdicating cavities 9 correspond to the positioning pieces 3 one by one. When the support plate 201 is placed in the relief cavity 9, the upper surface of the support plate 201 is flush with the surface of the base 1.

Referring to fig. 2 and 3, a rotating shaft 4 is vertically fixed on the base 1 through a positioning seat 31, and the rotating shaft 4 is installed in the yielding cavity 9. The positioning piece 3 comprises a positioning seat 31 rotatably arranged on the outer wall of the rotating shaft 4, a locking block 32 sliding up and down on the outer wall of the rotating shaft 4 and a thread block 33 used for driving the locking block 32 to abut against the positioning seat 31. A guide structure is provided between the locking block 32 and the rotation shaft 4 so that the locking block 32 can slide up and down on the rotation shaft 4 without rotating. The limiting structure 7 is arranged between the locking block 32 and the positioning seat 31, and when the locking block 32 abuts against the positioning seat 31, the positioning seat 31 can be limited to rotate. The positioning seat 31 is of a round block structure, the positioning seat 31 is rotatably connected to the rotating shaft 4 through a bearing and the like, and the rotating shaft 4 and the positioning seat 31 are eccentrically arranged. The outer wall of the positioning seat 31 is fixedly provided with a clamping ring 6, the side wall of the supporting disc 201 is provided with an annular clamping groove 5, after the supporting disc 201 is placed, the positioning seat 31 is rotated, the clamping ring 6 is clamped in the clamping groove 5, then the positioning seat 31 is positioned through the locking block 32, and the four positioning seats 31 are abutted against the side wall of the supporting disc 201, so that the supporting disc 201 is positioned.

Further, referring to fig. 2 and 4, the positioning seat 31 is provided with a ring groove 12, the ring groove 12 and the rotating shaft 4 are coaxially arranged, and the limiting structure 7 includes a first tooth block 71 and a second tooth block 72. The first tooth blocks 71 are fixed on the bottom surface of the ring groove 12, and a plurality of first tooth blocks are uniformly distributed along the circumferential direction of the ring groove 12. The second tooth block 72 is fixed to the lower surface of the lock block 32, and the first tooth block 71 and the second tooth block 72 have a right triangle-like structure. The screw thread piece 33 promotes the locking piece 32 to move downwards when moving downwards, and the upper end of first tooth piece 71 can support tightly on the inclined plane 73 of second tooth piece 72, and second tooth piece 72 extrudees first tooth piece 71 for the fixing base has the trend of supporting tightly on supporting disk 201 more, thereby improves the positioning effect of fixed disk to supporting disk 201.

In a further embodiment, referring to fig. 4 and 5, in order to improve the stability of the positioning seat 31, a slot 13 is formed on the bottom surface of the relief cavity 9, and the slot 13 extends toward the supporting plate 201. The rotating rod 14 is rotatably mounted in the slot 13, and the rotating point of the rotating rod 14 is positioned at the symmetrical point of the rotating rod 14 in the length direction, and the rotating point of the rotating rod 14 is mounted on the inner wall of the slot 13 in a pin shaft manner. One end of the rotating lever 14 is located directly below the rotating shaft 4 and can be interlocked with the lock block 32. The latch block 15 is installed on the upper surface of the other end of the rotating rod 14, the arc-shaped rack 16 is installed on the lower surface of the positioning seat 31, a mounting groove can be formed in the lower surface of the positioning seat 31, and the arc-shaped rack 16 is installed in the mounting groove, so that the arc-shaped rack 16 does not exceed the bottom surface of the positioning seat 31. In the natural state, the latch block 15 is located in the slot 13, and does not exceed the opening of the slot 13, and when the positioning seat 31 is adjusted to the positioning position, the locking block 32 moves downward to abut against the positioning seat 31, so that one end of the rotating rod 14 can be driven to move downward, and the other end of the rotating rod 14 is tilted upward, so that the latch block 15 is meshed with the arc-shaped rack 16, and the possibility of shifting the positioning seat 31 is further reduced.

Referring to fig. 4 and 6, the rotary shaft 4 has an internal hollow structure, and a hollow portion at a lower end penetrates into the slot 13. The outer wall of the rotating shaft 4 is provided with a long groove 17, and the inner wall of the locking block 32 is fixedly provided with a connecting block 18 which penetrates through the groove 13 and extends into the rotating shaft 4. The locking block 32 can only move up and down under the action of the link block 18. The connecting block 18 is fixedly provided with a downward extending extension rod 19, and the locking block 32 moves up and down to synchronously move the extension rod 19.

Referring to fig. 4 and 5, a spring 20 is installed at one end of the rotation rod 14 below the rotation shaft 4, one end of the spring 20 is connected to the lower surface of the rotation rod 14, and the other end is connected to the bottom surface of the slot 13. The rotating lever 14 is tilted upward by the spring 20, and one end of the spring 20 is located higher than the other end. When the locking block 32 moves downwards, the extension rod 19 abuts against the rotating rod 14, the spring 20 is compressed, so that the other end of the rotating rod 14 moves upwards, and the latch block 15 can be clamped on the arc-shaped rack 16.

Further, referring to fig. 1 and 2, a cover plate 10 is mounted on the base 1, the cover plate 10 has a ring-shaped structure, and the cover plate 10 can be covered on the relief cavity 9 and can be abutted on the surface of the support plate 201 when mounted on the base 1. The cover plate 10 can be fixed together in a half-and-half spliced mode and fixed on the base 1 through bolts. The cover plate 10 is provided with a circular groove 21 at a position corresponding to the thread block 33, and the thread block 33 penetrates out of the circular groove 21 when the cover plate 10 is arranged on the base 1 and has a part exceeding the surface of the cover plate 10. The cover plate 10 is mounted with the escape prevention member 11 for restricting the rotation of the screw block 33, thereby maintaining the positioning effect of the positioning seat 31.

The anti-falling member 11 is a cylinder 111 screwed on the cover plate 10, a thread groove is formed on the cover plate 10 corresponding to the cylinder 111, and the cylinder 111 is screwed on the inner wall of the thread groove. The cylinder 111 and the rotation shaft 4 are coaxially arranged with a certain distance between the cylinder 111 and the screw block 33, and the screw directions of the screw block 33 and the cylinder 111 are opposite. The anti-falling part 11 further comprises an anti-falling ring 112, the inner wall of the cylinder 111 is provided with an embedding groove 22, the outer wall of the thread block 33 is also provided with an embedding groove 22, and the anti-falling ring 112 is fixedly provided with an embedding block 23 corresponding to the embedding groove 22. When the screw block 33 rotates to a position for positioning the locking block 32, the cylinder 111 is rotated so that the cylinder 111 corresponds to the caulking groove 22 on the screw block 33; the anti-slip ring then snaps into the aperture between the cylinder 111 and the threaded block 33, and the slug 23 snaps into the slug 22, thereby preventing the threaded block 33 from rotating any further. The plurality of caulking grooves 22 are uniformly provided along the circumferential direction of the cylinder 111, and the caulking pieces 23 correspond to the caulking grooves 22.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. An excitation generator base assembly, characterized by: the device comprises a base (1) and a support piece (2) connected to the base (1), wherein the support piece (2) comprises a support disc (201) and a support rod (202) connected to the support disc (201), and the support rod (202) is used for being connected with a generator; a plurality of positioning pieces (3) are arranged on the base (1), the positioning pieces (3) are distributed at intervals along the circumferential direction of the supporting disc (201), and the plurality of positioning pieces (3) can position the supporting disc (201);

the base (1) is vertically provided with a rotating shaft (4) through a positioning seat (31), the positioning piece (3) comprises a positioning seat (31) rotatably connected to the outer wall of the rotating shaft (4), a locking block (32) slidably installed on the rotating shaft (4) and a thread block (33) used for driving the locking block (32) to abut against the positioning seat (31), and a guide structure is arranged between the locking block (32) and the rotating shaft (4) so as to limit the rotation of the locking block (32); the side wall of the supporting disc (201) is provided with a clamping groove (5), the side wall of the positioning seat (31) is provided with a clamping ring (6) which can be clamped in the clamping groove (5), the positioning seat (31) and the rotating shaft (4) are eccentrically arranged, a limiting structure (7) is arranged between the locking block (32) and the positioning seat (31), and when the threaded block (33) drives the locking block (32) to abut against the positioning seat (31), the positioning seat (31) can be limited to rotate through the limiting structure (7);

offer on base (1) and hold chamber (8), just offer a plurality of chambeies of stepping down (9) on the lateral wall that holds chamber (8), supporting disk (201) are located hold chamber (8), pivot (4) with positioning seat (31) are located step down in chamber (9), still install annular apron (10) on base (1), apron (10) can the lid in step down chamber (9) and butt in the upper surface of supporting disk (201), be provided with on apron (10) be used for right anticreep spare (11) that screw thread piece (33) were fixed a position.

2. A field generator base assembly as defined in claim 1 wherein: offer on positioning seat (31) be used for holding annular (12) of latch segment (32), limit structure (7) including install in first tooth piece (71) of bottom surface in annular (12), and connect in second tooth piece (72) of latch segment (32) bottom surface, first tooth piece (71) are followed annular (12) circumference evenly distributed has a plurality ofly, second tooth piece (72) are followed latch segment (32) circumference evenly distributed has a plurality ofly, have inclined plane (73) on second tooth piece (72), when latch segment (32) downstream, first tooth piece (71) tip can support tightly in inclined plane (73), so that positioning seat (31) support in supporting disk (201) lateral wall.

3. A field generator base assembly as defined in claim 2 wherein: the utility model discloses a lock device for a bicycle, including support disc (201), recess (13) have been seted up to cavity (9) bottom surface of stepping down, recess (13) are rotated and are connected with dwang (14), just the rotation point of dwang (14) is located the position department of the central point on dwang (14) length direction, the one end of dwang (14) is located pivot (4) under, and the other end extends to the direction of support disc (201), dwang (14) are close to the one end of support disc (201) is provided with latch segment (15), the bottom surface of positioning seat (31) is provided with arc rack (16), just dwang (14) with latch segment (32) are linked mutually, when positioning seat (31) butt in support disc (201) lateral wall, latch segment (32) downward movement butt is in annular (12), latch segment (32) can drive dwang (14) rotation, so that latch segment (15) mesh in arc rack (16).

4. A field generator base assembly as defined in claim 3 wherein: the rotating shaft (4) is of a hollow structure and is communicated with the grooving (13), the side wall of the rotating shaft (4) is provided with a long groove (17), the locking block (32) is connected with a connecting block (18) extending in the grooving (13), the connecting block (18) is provided with an extending rod (19) extending downwards, one end of the rotating rod (14) located below the rotating shaft (4) is connected with a spring (20), one end of the spring (20) is connected with the rotating rod (14), the other end of the spring is connected with the bottom surface of the grooving (13), when the locking block (32) moves downwards, the extending rod (19) can be abutted against the rotating rod (14) and drive the end part of the rotating rod (14) to move downwards, the spring (20) is compressed, so that the other end of the rotating rod (14) rotates upwards, and then the latch block (15) and the arc-shaped rack (16) are clamped.

5. A field generator base assembly as defined in claim 4 wherein: round grooves (21) through which thread blocks (33) penetrate are correspondingly formed in the cover plate (10), the anti-falling pieces (11) are cylinders (111) which are threaded on the cover plate (10), the thread blocks (33) are coaxially located in the inner cavities of the cylinders (111), the thread directions of the cylinders (111) and the thread blocks (33) are opposite, gaps are reserved between the inner walls of the cylinders (111) and the outer walls of the thread blocks (33), the anti-falling pieces (11) further comprise anti-falling rings (112), caulking grooves (22) are formed in the inner walls of the cylinders (111) and the outer walls of the thread blocks (33), the caulking grooves (22) are in one-to-one correspondence, and when the anti-falling rings (112) are installed between the cylinders (111) and the thread blocks (33), the caulking grooves (22) are clamped with the caulking grooves (23).

6. A field generator base assembly as defined in claim 5 wherein: a plurality of caulking grooves (22) are formed in the cylinder (111) and the threaded block (33), and the caulking blocks (23) and the caulking grooves (22) are correspondingly arranged.