Conductive connection structure of collecting ring

Abstract

The utility model relates to the technical field of collector rings, and discloses a collector ring conductive connection structure, which comprises a motor shaft, and a plurality of collector rings are sleeved on the surface of the motor shaft. According to the collector ring conductive connection structure, a plurality of groups of collector rings are sleeved on a motor shaft, and then one end of a rotating ring on a conductive rod is inserted into a jack and penetrates through each collector ring, so that a fixed ring abuts against the surface of one side of the collector ring, and at the moment, a tensioning block in the conductive rod is located in the jack; and then the tensioning block is controlled to move in the through hole, at the moment, the protruding blocks at the two ends of the tensioning block can also move in the limiting grooves, and finally the surface of the tensioning block can abut against the inner wall of the inserting hole, so that the conducting rod is fixed to the middle of each collecting ring. Through tensioning of the tensioning block, a fixing method without using bolts or welding can be provided, so that the assembly process can be simplified, and the number of parts and procedures can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of slip rings, in particular to a slip ring conductive connection structure. Background Art

[0002] Slip rings are also called conductive rings, slip rings, collector rings, and convergence rings. They can be used in any electromechanical system that requires continuous rotation while transmitting power and signals from a fixed position to a rotating position. Slip rings can improve system performance, simplify system structure, and prevent wires from being twisted during rotation.

[0003] However, the following problems still exist in actual use:

[0004] (1) The conductive rod is an indispensable part of the collector ring, but the conductive rod and the collector ring are mostly welded or fixed with bolts, which requires many assembly steps and is inconvenient for maintenance and disassembly.

[0005] (2) Traditional connection methods usually require special tools or equipment for fixing. When the position of the conductive rod needs to be adjusted or replaced, the fixing method is not flexible enough and requires more time and effort.

[0006] For this purpose, the utility model introduces a collector ring conductive connection structure. Utility Model Content

[0007] In response to the deficiencies of the prior art, the present invention provides a collector ring conductive connection structure, which has the advantages of simplifying the collector ring assembly process, reducing the number of parts and processes, and facilitating the installation and disassembly of conductive rods, thereby solving the problems raised in the background technology.

[0008] The utility model provides the following technical solutions: a collector ring conductive connection structure, comprising a motor shaft, a plurality of collector rings being sleeved on the surface of the motor shaft, four groups of jacks being provided on the surface of the collector ring, conductive rods being inserted into the interior of the four groups of jacks, a tensioning mechanism being provided inside the conductive rod, the tensioning mechanism comprising a protrusion, a through hole, a limiting groove and a tensioning block, the limiting groove and the through hole being provided on the surface of the conductive rod, the limiting groove being communicated with the through hole, the surface of the tensioning block being slidably connected to the interior of the through hole, the surface of the tensioning block being in contact with the interior of the jack, the surface of the protrusion being slidably connected to the interior of the limiting groove, and one end of the protrusion being fixedly connected to a side surface of the tensioning block.

[0009] Preferably, a sliding groove is provided on the inner wall of the conductive rod, and a moving rod and a driving mechanism are provided inside the conductive rod. The driving mechanism includes a conical block, a threaded groove and a sleeve. The conical block is sleeved on the surface of the moving rod, and the surface of the conical block is slidingly connected to the inclined surface of the tensioning block. The threaded groove is provided at one end of the moving rod, and the surface of the sleeve is rotatably connected to the inner wall of the conductive rod, and the inner wall of the sleeve is threadedly connected to the internal thread of the threaded groove.

[0010] Preferably, one end of the conductive rod is fixedly connected to a fixing ring, and one side surface of the fixing ring abuts against one side surface of a group of collector rings.

[0011] Preferably, one end of the conductive rod away from the fixed ring is rotatably connected to a rotating ring, and the interior of the rotating ring is slidably connected to one end of the movable rod.

[0012] Preferably, one side surface of the rotating ring is fixedly connected with four groups of connecting rods, and one end of the four groups of connecting rods is fixedly connected to one side surface of the sleeve.

[0013] Preferably, a guide block is fixedly connected to the surface of the movable rod, and one end of the guide block is slidably connected to the inside of the sliding groove.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. This type of collector ring conductive connection structure is equipped with a tensioning mechanism, which allows multiple groups of collector rings to be put on the motor shaft, and then one end of the rotating ring on the conductive rod is inserted into the inside of the socket and passes through each collector ring, so that the fixed ring abuts against one side surface of the collector ring. At this time, the tensioning block inside the conductive rod is located inside the socket, and then the tensioning block is controlled to move inside the through hole. At this time, the protrusions at both ends of the tensioning block will also move inside the limit groove, and finally the surface of the tensioning block will abut against the inner wall of the socket, thereby fixing the conductive rod in the middle of each collector ring. Compared with traditional bolts or welding methods, the setting of this structure can provide a fixing method without the use of bolts or welding through the tensioning of the tensioning block, which can simplify the assembly process, reduce the number of parts and processes, and facilitate the installation and disassembly of the conductive rod, which is very convenient for maintenance, repair and replacement of parts.

[0016] 2. This collector ring conductive connection structure is provided with a driving mechanism. When it is necessary to control the movement of the tensioning block, the rotating ring is rotated, and the sleeve can be driven to rotate synchronously through the connecting rod. The threaded connection between the sleeve and the threaded groove will cause the moving rod to move toward the inside of the conductive rod, and the guide block will also slide inside the slide groove. At the same time, the conical block will abut against the inclined surface of the tensioning block. As the conical block moves, the tensioning block will be pushed outward, thereby realizing the movement of the tensioning block and then fixing the conductive rod inside the collector ring. The setting of this structure drives the moving rod to move to the corresponding position by rotating the rotating ring, and then controls the position of the tensioning block, thereby simplifying the disassembly and assembly process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the conductive rod structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the disassembled structure of the conductive rod of the utility model;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the conductive rod of the utility model.

[0021] In the figure: 1. Motor shaft; 2. Collector ring; 3. Conductive rod; 4. Socket; 5. Rotating ring; 6. Fixed ring; 7. Tensioning block; 8. Moving rod; 9. Guide block; 10. Conical block; 11. Threaded groove; 12. Slide groove; 13. Limiting groove; 14. Protrusion; 15. Through hole; 16. Sleeve; 17. Connecting rod; 18. Tensioning mechanism; 19. Driving mechanism. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-4A collector ring conductive connection structure includes a motor shaft 1, a plurality of collector rings 2 are sleeved on the surface of the motor shaft 1, four groups of sockets 4 are opened on the surface of the collector ring 2, a conductive rod 3 is inserted into the interior of the four groups of sockets 4, a tensioning mechanism 18 is provided inside the conductive rod 3, the tensioning mechanism 18 includes a protrusion 14, a through hole 15, a limiting groove 13 and a tensioning block 7, the limiting groove 13 and the through hole 15 are opened on the surface of the conductive rod 3, the limiting groove 13 is communicated with the through hole 15, the surface of the tensioning block 7 is slidably connected to the inside of the through hole 15, the surface of the tensioning block 7 is in contact with the inside of the socket 4, the surface of the protrusion 14 is slidably connected to the inside of the limiting groove 13, the protrusion One end of the block 14 is fixedly connected to the side surface of the tensioning block 7, controlling the movement of the tensioning block 7 inside the through hole 15. At this time, the protrusions 14 at both ends of the tensioning block 7 will also move inside the limit groove 13. Finally, the surface of the tensioning block 7 will abut against the inner wall of the socket 4, thereby fixing the conductive rod 3 in the middle of each collector ring 2. Compared with traditional bolts or welding methods, the setting of this structure can provide a fixing method without the use of bolts or welding through the tensioning of the tensioning block 7, which can simplify the assembly process, reduce the number of parts and processes, and facilitate the installation and disassembly of the conductive rod 3, which is very convenient for maintenance, repair and replacement of parts.

[0024] Among them; the inner wall of the conductive rod 3 is provided with a sliding groove 12, the interior of the conductive rod 3 is provided with a moving rod 8 and a driving mechanism 19, the driving mechanism 19 includes a tapered block 10, a threaded groove 11 and a sleeve 16, the tapered block 10 is sleeved on the surface of the moving rod 8, the surface of the tapered block 10 is slidably connected to the inclined surface of the tensioning block 7, the threaded groove 11 is opened at one end of the moving rod 8, the surface of the sleeve 16 is rotatably connected to the inner wall of the conductive rod 3, the inner wall of the sleeve 16 is threadedly connected to the inner wall of the threaded groove 11, and the control sleeve 1 6 rotates, and the threaded connection between the sleeve 16 and the threaded groove 11 causes the moving rod 8 to move toward the inside of the conductive rod 3. At the same time, the conical block 10 abuts against the inclined surface of the tensioning block 7. As the conical block 10 moves, the tensioning block 7 is pushed outward, thereby realizing the movement of the tensioning block 7, and then fixing the conductive rod 3 inside the collector ring 2. The setting of this structure drives the moving rod 8 to move to the corresponding position by rotating the rotating ring 5, and then controls the position of the tensioning block 7, thereby simplifying the disassembly and assembly process.

[0025] Among them, one end of the conductive rod 3 is fixedly connected to a fixing ring 6, and one side surface of the fixing ring 6 abuts against one side surface of a group of collector rings 2. Multiple groups of collector rings 2 are put on the motor shaft 1, and then one end of the rotating ring 5 on the conductive rod 3 is inserted into the inside of the socket 4 and passes through each collector ring 2, so that the fixing ring 6 abuts against one side surface of the collector ring 2. At this time, the tensioning block 7 inside the conductive rod 3 is located inside the socket 4.

[0026] Among them; the conductive rod 3 is rotatably connected to one end of the fixed ring 6 with a rotating ring 5, the interior of the rotating ring 5 is slidingly connected to one end of the movable rod 8, and the rotating ring 5 is rotated to drive the sleeve 16 to rotate synchronously through the connecting rod 17.

[0027] One side surface of the rotating ring 5 is fixedly connected to four groups of connecting rods 17, and one end of the four groups of connecting rods 17 is fixedly connected to one side surface of the sleeve 16.

[0028] Among them, the surface of the moving rod 8 is fixedly connected to a guide block 9, one end of the guide block 9 is slidably connected to the inside of the chute 12, and when the moving rod 8 moves, the guide block 9 will also slide inside the chute 12.

[0029] Working principle: when in use, multiple groups of collector rings 2 are put on the motor shaft 1, and then one end of the rotating ring 5 on the conductive rod 3 is inserted into the inside of the socket 4 and passes through each collector ring 2, so that the fixed ring 6 abuts against one side surface of the collector ring 2. At this time, the tensioning block 7 inside the conductive rod 3 is located inside the socket 4, and then the rotating ring 5 is rotated, and the sleeve 16 can be driven to rotate synchronously through the connecting rod 17. The threaded connection between the sleeve 16 and the threaded groove 11 will cause the moving rod 8 to move toward the inside of the conductive rod 3, and the guide block 9 will also slide inside the slide groove 12. At the same time, the conical block 10 will abut against the inclined surface of the tensioning block 7. As the conical block 10 moves, the tensioning block 7 will be pushed outward. At this time, the protrusions 14 at both ends of the tensioning block 7 will also move inside the limit groove 13, and finally the surface of the tensioning block 7 will abut against the inner wall of the socket 4, thereby fixing the conductive rod 3 in the middle of each collector ring 2.

[0030] Driven by the continuous increase in wind turbine power, the current carrying capacity of the slip ring is constantly increasing, the load-bearing structure is constantly increasing, and the internal space volume of the slip ring is limited. It has become very difficult to provide effective maintenance space while ensuring reasonable electrical clearance and creepage distance.

[0031] Another technical embodiment of the utility model discloses a slip ring conductive connection structure, including a rotor aluminum bar, a rotor connecting bar, a slip ring, brushes, a brush aluminum box, a connecting bar, an annular plate, a stator connecting aluminum bar, a sealing sleeve, a stator aluminum bar, a connecting plate, and other components. This provides a simple, convenient, and reliable slip ring conductive connection structure.

[0032] Structural Description: Current flows from the rotor connecting bar through the rotor aluminum bars before entering two slip rings. The current then flows sequentially to two layers of brushes, the ring plate, the connecting bar, the stator connecting bar, and finally the stator aluminum bars. The structure is concentrated between the two layers of slip rings. The upper and lower spaces are open, facilitating air circulation and enhancing heat dissipation. While maintaining electrical requirements, this system provides ample space for assembly and maintenance.

[0033] Beneficial effects:

[0034] 1. The same-phase slip rings are installed in a mirror image, which reduces the gap between the slip rings and saves space;

[0035] 2. The connection and fastening parts of the aluminum bar are exposed, which makes installation and maintenance easy;

[0036] 3. The two-layer brush boxes in the same phase are installed on a ring plate, which has a simple structure, fewer parts, easy maintenance and light weight;

[0037] 4. The stator aluminum bars are assembled in sections, which is convenient for through-wall assembly;

[0038] 5. The aluminum busbar output can be output on one side or both sides of the slip ring;

[0039] 6. Each layer of slip ring is independently fastened and maintained in the whole machine without interference;

[0040] 7. The slip rings on both sides of the same phase are connected in parallel through the rotor aluminum bar, which reduces the connection points and doubles the wiring space;

[0041] 8. The brush boxes are distributed on the upper and lower sides of the annular plate, with air convection gaps reserved in the middle to enhance convection and facilitate heat dissipation;

[0042] 9. Aluminum row is equipped with sealing ring to improve IP protection level;

[0043] 10. The connection width of the stator aluminum bar can be adjusted by adjusting the angle of the aluminum bar;

[0044] 11. Two layers of slip rings output one phase stator row, saving space;

[0045] 12. The stator row cable fixing point can be designed with holes according to the stator row output surface, and the style is adjustable;

[0046] 13. The annular plate can be spliced ​​from two sections or die-cast as a whole for easy assembly;

[0047] 15. The brush wire presents the largest arc when working, which reduces the assembly stress;

[0048] 16. The aluminum bar is fixed with a connecting plate, and only screw fastening tools are required;

[0049] 17. Use insulating materials to support the ring plates and slip rings to ensure electrical distance.

[0050] 18. The three-phase aluminum busbars are staggered front to back and up to down, and each output cable can be maintained independently.

[0051] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include," "comprise," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0052] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A collector ring conductive connection structure, characterized in that: The invention comprises a motor shaft (1), wherein the surface of the motor shaft (1) is sleeved with a plurality of collector rings (2), the surface of the collector ring (2) is provided with four groups of jacks (4), the interiors of the four groups of jacks (4) are plugged with conductive rods (3), the interiors of the conductive rods (3) are provided with a tensioning mechanism (18), the tensioning mechanism (18) comprises a protrusion (14), a through hole (15), a limiting groove (13) and a tensioning block (7), the limiting groove (13) and the through hole (15) are provided on the surface of the conductive rod (3), the limiting groove (13) is communicated with the through hole (15), the surface of the tensioning block (7) is slidably connected to the interior of the through hole (15), the surface of the tensioning block (7) is in contact with the interior of the jack (4), the surface of the protrusion (14) is slidably connected to the interior of the limiting groove (13), and one end of the protrusion (14) is fixedly connected to the surface of one side of the tensioning block (7).

2. The conductive connection structure of a slip ring according to claim 1, characterized in that: The inner wall of the conductive rod (3) is provided with a sliding groove (12), and the interior of the conductive rod (3) is provided with a moving rod (8) and a driving mechanism (19), and the driving mechanism (19) includes a conical block (10), a thread groove (11) and a sleeve (16), the conical block (10) is sleeved on the surface of the moving rod (8), the surface of the conical block (10) is slidably connected to the inclined surface of the tensioning block (7), the thread groove (11) is provided at one end of the moving rod (8), the surface of the sleeve (16) is rotatably connected to the inner wall of the conductive rod (3), and the inner wall of the sleeve (16) is threadedly connected to the inner surface of the thread groove (11).

3. The conductive connection structure of a slip ring according to claim 1, characterized in that: One end of the conductive rod (3) is fixedly connected to a fixing ring (6), and one side surface of the fixing ring (6) abuts against one side surface of a group of collector rings (2).

4. The conductive connection structure of a slip ring according to claim 1, characterized in that: One end of the conductive rod (3) away from the fixed ring (6) is rotatably connected to a rotating ring (5), and the interior of the rotating ring (5) is slidably connected to one end of the moving rod (8).

5. The conductive connection structure of a slip ring according to claim 4, characterized in that: One side surface of the rotating ring (5) is fixedly connected with four groups of connecting rods (17), and one end of the four groups of connecting rods (17) is fixedly connected to one side surface of the sleeve (16).

6. The conductive connection structure of a slip ring according to claim 2, characterized in that: A guide block (9) is fixedly connected to the surface of the moving rod (8), and one end of the guide block (9) is slidably connected to the inside of the sliding groove (12).

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