Generator carbon brush structure with limiting function
By introducing limit springs and limit components into the carbon brush structure of the generator, the automatic limiting and replacement of carbon brushes is solved, and the problem of inaccurate judgment of the wear degree of carbon brushes in the existing technology is solved, ensuring the stable operation of the generator .
Patent Information
- Application Number
- CN202420789671.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-04-17
AI Technical Summary
The existing generator carbon brush structure does not have a limit function, and it is impossible to accurately judge the wear degree of the carbon brush, resulting in the inability to replace it in time, affecting the stable operation of the generator.
A carbon brush structure with limit function was designed for generators, including carbon brushes, carbon boxes, limit springs, fixed plates and limit components. Through the cooperation of limit springs and limit components, the carbon brush wears to the specified The length is automatically limited, and the precise replacement of the carbon brush is achieved through the cooperation of the toggle block and the return spring.
It achieves accurate judgment of the wear degree of carbon brushes, facilitates timely replacement, and ensures the stable operation of the generator.
Smart Images
Figure CN222365884U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of generator carbon brushes, in particular to a generator carbon brush structure with a limiting function. Background Art
[0002] As a device for transmitting electrical energy, the generator carbon brush plays a key role in the operation of the generator. However, the carbon brush will wear during use. If it is not replaced in time, it may cause excessive wear of the carbon brush, thus affecting the normal operation of the generator. Therefore, in order to ensure the stable operation of the generator, the carbon brush needs to be replaced frequently.
[0003] However, the existing generator carbon brush structure does not have a limiting function, and it is impossible to accurately judge the degree of wear of the carbon brush and achieve timely replacement. Utility Model Content
[0004] The utility model aims to provide a generator carbon brush structure with a limiting function, which solves the problem that the existing generator carbon brush structure does not have a limiting function, cannot accurately judge the degree of wear of the carbon brush, and cannot achieve timely replacement.
[0005] To achieve the above-mentioned purpose, the utility model adopts a generator carbon brush structure with a limiting function, including a carbon brush, a carbon box, a limiting spring, a fixing plate and a limiting assembly, wherein the fixing plate is fixedly connected to the carbon box and is located on the inner side wall of the carbon box, the limiting spring is fixedly connected to the fixing plate, the carbon brush is arranged in the carbon box, the limiting assembly is arranged in the carbon box, the carbon brush has a fixing hole, and the limiting assembly is adapted to the fixing hole;
[0006] The limiting assembly includes a supporting spring, a plug-in block, an extrusion wheel, a toggle block and a return spring. The carbon box has a cavity. The plug-in block is movably connected to the carbon box and is located in the cavity. The plug-in block is also adapted to the fixing hole. The two ends of the supporting spring are respectively fixedly connected to the carbon box and the plug-in block. The plug-in block has a trapezoidal groove. The toggle block is movably connected to the carbon box and is located on the carbon box. The two ends of the return spring are respectively fixedly connected to the toggle block and the carbon box. The extrusion wheel is fixedly connected to the toggle block and movably cooperates with the trapezoidal groove.
[0007] Wherein, the limiting assembly further comprises a guide arc block, which is fixedly connected to the plug-in block and is located on the outer side wall of the plug-in block.
[0008] Wherein, the limiting assembly further comprises a smooth pad, which is fixedly connected to the plug-in block and is located in the trapezoidal groove.
[0009] Wherein, the generator carbon brush structure with a limiting function further includes a guide component, and the guide component is arranged in the carbon box and connected to the limiting spring.
[0010] Among them, the guide assembly includes a guide rod, a push plate and a stopper, the guide rod is movably connected to the fixed plate and passes through the fixed plate, the push plate is fixedly connected to one end of the guide rod and contacts the carbon brush, the stopper is fixedly connected to the other end of the guide rod, and the limit spring is fixedly connected to the push plate and is sleeved on the outside of the guide rod.
[0011] Wherein, the guide assembly also includes a rubber pad, which is fixedly connected to the push plate and is located on the outer side wall of the push plate.
[0012] The utility model discloses a generator carbon brush structure with a limiting function, wherein the carbon brush is pushed by the limiting spring in the carbon box, and when the carbon brush is worn to a specified length, the resisting spring in the cavity will push the plug-in block into the fixing hole of the carbon brush, so that the carbon brush will not continue to slide down, and then the personnel will take out the carbon box, and then push the toggle block downward on the carbon box, and the toggle block will slide in the cavity and pull the reset spring to stretch, and then the toggle block will drive the extrusion wheel to enter the trapezoidal groove of the plug-in block and push the inclined surface on the trapezoidal groove, at this time, the plug-in block will enter the cavity to squeeze the resisting spring, and at the same time, the plug-in block will be separated from the fixing hole of the carbon brush, and then the carbon brush will be separated from the carbon box, and finally the new carbon brush will be set in the carbon box, through the above method, it is possible to accurately judge the degree of wear of the carbon brush, facilitate timely replacement of the carbon brush, and ensure the stable operation of the generator. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0014] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.
[0015] Figure 2 It is a cross-sectional view of the overall internal structure of the first embodiment of the utility model.
[0016] Figure 3 It is a cross-sectional view of the overall internal structure of the carbon brush in the limited state of the first embodiment of the utility model.
[0017] Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model.
[0018] Figure 5 It is a cross-sectional view of the overall internal structure of the second embodiment of the utility model.
[0019] 101-carbon brush, 102-carbon box, 103-limit spring, 104-fixing plate, 105-holding spring, 106-plug-in block, 107-extrusion wheel, 108-sliding block, 109-reset spring, 110-guide arc block, 111-smooth pad, 112-cavity, 113-trapezoidal groove, 114-fixing hole, 201-guide rod, 202-push plate, 203-stopper, 204-rubber pad. DETAILED DESCRIPTION
[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.
[0021] First embodiment
[0022] See also Figure 1 to Figure 3 ,in Figure 1 is a schematic diagram of the overall structure of the first embodiment, Figure 2 is a cross-sectional view of the overall internal structure of the first embodiment, Figure 3 It is a cross-sectional view of the overall internal structure of the carbon brush 101 of the first embodiment in a limited state.
[0023] The utility model provides a generator carbon brush structure with a limiting function: comprising a carbon brush 101, a carbon box 102, a limiting spring 103, a fixing plate 104 and a limiting assembly, wherein the limiting assembly comprises a holding spring 105, a plug-in block 106, an extrusion wheel 107, a toggle block 108, a reset spring 109, a guide arc block 110 and a smooth pad 111. The above-mentioned solution solves the problem that the existing generator carbon brush structure does not have a limiting function, cannot accurately judge the degree of wear of the carbon brush, and cannot achieve timely replacement.
[0024] According to this specific embodiment, the fixing plate 104 is fixedly connected to the carbon box 102 and is located on the inner wall of the carbon box 102. The limiting spring 103 is fixedly connected to the fixing plate 104. The carbon brush 101 is arranged in the carbon box 102. The limiting assembly is arranged in the carbon box 102. The carbon brush 101 has a fixing hole 114. The limiting assembly is adapted to the fixing hole 114. The carbon brush 101 is pushed by the limiting spring 103 in the carbon box 102. When the carbon brush 101 meets the replacement requirements, the limiting assembly in the carbon box 102 will limit the carbon brush 101 to prevent the carbon brush 101 from continuing to slide down.
[0025] The carbon box 102 has a cavity 112, the plug-in block 106 is movably connected to the carbon box 102 and is located in the cavity 112, and the plug-in block 106 is also adapted to the fixing hole 114, the two ends of the holding spring 105 are respectively fixedly connected to the carbon box 102 and the plug-in block 106, the plug-in block 106 has a trapezoidal groove 113, the toggle block 108 is movably connected to the carbon box 102 and is located on the carbon box 102. The two ends of the return spring 109 are fixedly connected to the toggle block 108 and the carbon box 102 respectively, the extrusion wheel 107 is fixedly connected to the toggle block 108 and movably cooperates with the trapezoidal groove 113, and the carbon brush 101 is pushed by the limit spring 103 in the carbon box 102. When the carbon brush 101 is worn to a specified length, the abutting spring 105 in the cavity 112 will push the plug-in block 106 into the carbon brush 101. The fixing hole 114 prevents the carbon brush 101 from sliding down further, and then the personnel takes out the carbon box 102, and then pushes the toggle block 108 downward on the carbon box 102, and the toggle block 108 slides in the cavity 112 and pulls the return spring 109 to stretch, and then the toggle block 108 drives the extrusion wheel 107 to enter the trapezoidal groove 113 of the plug-in block 106, and pushes the inclined surface on the trapezoidal groove 113, at this time, the plug-in block 106 will enter the cavity 112 to squeeze the retaining spring 105, and at the same time, the plug-in block 106 will be separated from the fixing hole 114 of the carbon brush 101, and then the carbon brush 101 is separated from the carbon box 102, and finally the new carbon brush 101 is set in the carbon box 102, through the above method, it is possible to accurately judge the degree of wear of the carbon brush 101, facilitate timely replacement of the carbon brush 101, and ensure the stable operation of the generator.
[0026] Secondly, the guide arc block 110 is fixedly connected to the plug-in block 106 and is located on the outer wall of the plug-in block 106 . The guide arc block 110 has an arc surface, which can facilitate the plug-in block 106 to enter the fixing hole 114 of the carbon brush 101 .
[0027] Meanwhile, the smooth pad 111 is fixedly connected to the plug-in block 106 and is located in the trapezoidal groove 113 . By arranging the smooth pad 111 in the trapezoidal groove 113 , it is convenient for the extrusion wheel 107 to push the plug-in block 106 .
[0028] The carbon brush 101 is pushed by the limit spring 103 in the carbon box 102. When the carbon brush 101 is worn to a specified length, the resisting spring 105 in the cavity 112 pushes the plug-in block 106 into the fixing hole 114 of the carbon brush 101, so that the carbon brush 101 does not continue to slide down. Then the personnel takes out the carbon box 102, and then pushes the toggle block 108 downward on the carbon box 102. The toggle block 108 slides in the cavity 112 and pulls the reset spring 109 to stretch. Then the toggle block 108 drives the extrusion wheel 107 to enter the trapezoidal groove 113 of the plug-in block 106 and pushes the The inclined surface on the trapezoidal groove 113 is pushed, and the plug-in block 106 enters the cavity 112 to squeeze the retaining spring 105. At the same time, the plug-in block 106 is disengaged from the fixing hole 114 of the carbon brush 101, and then the carbon brush 101 is separated from the carbon box 102, and finally the new carbon brush 101 is arranged in the carbon box 102; wherein, the guide arc block 110 is arranged on the plug-in block 106, which can facilitate the plug-in block 106 to enter the fixing hole 114 of the carbon brush 101. Through the above method, the wear degree of the carbon brush 101 can be accurately judged, which is convenient for timely replacement of the carbon brush 101 and ensures the stable operation of the generator.
[0029] Second embodiment
[0030] See also Figure 4 and Figure 5 ,in Figure 4 is a schematic diagram of the overall structure of the second embodiment, Figure 5 It is a cross-sectional view of the overall internal structure of the second embodiment.
[0031] On the basis of the first embodiment, a generator carbon brush structure with a limiting function of the utility model further includes a guide assembly, which includes a guide rod 201 , a push plate 202 , a stopper 203 and a rubber pad 204 .
[0032] The guide assembly is disposed in the carbon box 102 and connected to the limit spring 103 . By disposing the guide assembly, the carbon brush 101 can be pushed stably in the carbon box 102 .
[0033] The guide rod 201 is movably connected to the fixed plate 104 and passes through the fixed plate 104. The push plate 202 is fixedly connected to one end of the guide rod 201 and contacts the carbon brush 101. The block 203 is fixedly connected to the other end of the guide rod 201. The limit spring 103 is fixedly connected to the push plate 202 and is sleeved on the outside of the guide rod 201. The push plate 202 is connected to the limit spring 103. The force of the limit spring 103 pushes the carbon brush 101 through the push plate 202. The guide rod 201 slides on the fixed plate 104 as the push plate 202 moves, which can increase the stability of the movement of the push plate 202. The block 203 limits the moving range of the guide rod 201 on the fixed plate 104 to avoid disengagement. In the above manner, the carbon brush 101 can be stably pushed in the carbon box 102.
[0034] The rubber pad 204 is fixedly connected to the push plate 202 and is located on the outer side wall of the push plate 202. By arranging the rubber pad 204 on the outer side of the push plate 202, the rubber pad 204 can increase the friction between the push plate 202 and the carbon brush 101, which is beneficial to push the carbon brush 101 into the carbon box 102.
[0035] The push plate 202 is connected to the limit spring 103, and the force of the limit spring 103 pushes the carbon brush 101 through the push plate 202. The guide rod 201 slides on the fixed plate 104 as the push plate 202 moves, which can increase the stability of the movement of the push plate 202. The block 203 limits the moving range of the guide rod 201 on the fixed plate 104 to avoid separation. The rubber pad 204 on the outside of the push plate 202 increases the friction with the carbon brush 101, which is beneficial to push the carbon brush 101 in the carbon box 102. In the above manner, the carbon brush 101 can be stably pushed in the carbon box 102.
[0036] The above disclosures are only two preferred embodiments of the present invention, which certainly cannot be used to limit the scope of the present invention. A person skilled in the art can understand that all or part of the processes of the above embodiments and equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.
Claims
1. A generator carbon brush structure with a limiting function, characterized in that: It includes a carbon brush, a carbon box, a limit spring, a fixing plate and a limit assembly, wherein the fixing plate is fixedly connected to the carbon box and is located on the inner side wall of the carbon box, the limit spring is fixedly connected to the fixing plate, the carbon brush is arranged in the carbon box, the limit assembly is arranged in the carbon box, the carbon brush has a fixing hole, and the limit assembly is adapted to the fixing hole; The limiting assembly includes a supporting spring, a plug-in block, an extrusion wheel, a toggle block and a return spring. The carbon box has a cavity. The plug-in block is movably connected to the carbon box and is located in the cavity. The plug-in block is also adapted to the fixing hole. The two ends of the supporting spring are respectively fixedly connected to the carbon box and the plug-in block. The plug-in block has a trapezoidal groove. The toggle block is movably connected to the carbon box and is located on the carbon box. The two ends of the return spring are respectively fixedly connected to the toggle block and the carbon box. The extrusion wheel is fixedly connected to the toggle block and movably cooperates with the trapezoidal groove.
2. The generator carbon brush structure with a limiting function as claimed in claim 1, characterized in that: The limiting assembly also includes a guide arc block, which is fixedly connected to the plug-in block and is located on the outer side wall of the plug-in block.
3. The generator carbon brush structure with a limiting function as claimed in claim 2, characterized in that: The limiting assembly also includes a smooth pad, which is fixedly connected to the plug-in block and is located in the trapezoidal groove.
4. The generator carbon brush structure with a limiting function as claimed in claim 1, characterized in that: The generator carbon brush structure with a limiting function also includes a guide component, which is arranged in the carbon box and connected to the limiting spring.
5. The generator carbon brush structure with a limiting function as claimed in claim 4, characterized in that: The guide assembly includes a guide rod, a push plate and a stopper. The guide rod is movably connected to the fixed plate and passes through the fixed plate. The push plate is fixedly connected to one end of the guide rod and contacts the carbon brush. The stopper is fixedly connected to the other end of the guide rod. The limit spring is fixedly connected to the push plate and is sleeved on the outside of the guide rod.
6. The generator carbon brush structure with a limiting function as claimed in claim 5, characterized in that: The guide assembly also includes a rubber pad, which is fixedly connected to the push plate and is located on the outer side wall of the push plate.