Turbine carbon brush slip ring polishing device

By designing a carbon brush slip ring grinding device including processing box, sealed door panel and grinding roller, the problems of waste splash and low efficiency during the traditional grinding process are solved, and efficient, sealed multi-ring grinding operation is achieved.

CN222345078UActive Publication Date: 2025-01-14SHANGHAI FULU STEAM TURBINE EQUIP CO LTD
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Patent Information

Application Number
CN202421091893.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-01-14
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

During the grinding of carbon brush slip rings in traditional steam turbines, the grinding of a single ring body causes waste to splash and affect the external environment, and the processing efficiency is low.

Method used

A carbon brush slip ring grinding device including processing box, sealing door panel, collection drawer, control panel, cylinder, grinding roller and motor is designed. Multiple ring bodies are superimposed and fixed by opening the sealing door panel, and driven by cylinder and motor. The grinding roller is rotated and the waste is collected in the drawer to ensure sealing operation and improve efficiency.

Benefits of technology

It realizes efficient grinding of multiple rings in a sealed environment, avoids waste splash, improves processing efficiency, and adapts to the grinding needs of rings of different sizes.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222345078U_ABST
Patent Text Reader

Abstract

The utility model discloses a steam turbine carbon brush slip ring polishing device, and relates to the field of steam turbines, the steam turbine carbon brush slip ring polishing device comprises a processing box body, the bottom surface of the processing box body is uniformly and fixedly connected with bottom cushion blocks through threads, one side edge of the processing box body is vertically connected with a sealing door plate in a clamping manner, and one side edge of the processing box body is horizontally connected with a collecting drawer in an inserted manner; a control panel is fixedly connected to one side edge of the treatment box in a clamped mode, a top air cylinder is fixedly arranged on the top face of the treatment box, adjusting air cylinders are symmetrically and fixedly connected to the two side edges of the treatment box through bolts, inner clamping grooves are symmetrically formed in the inner side wall of the treatment box, and movable inner blocks are vertically connected to the inner side edges of the inner clamping grooves in a clamped mode. A grinding roller is vertically connected to one side edge of the movable inner block in a clamped mode, a sealed operation structure is adopted so that the external environment cannot be affected during grinding treatment, and meanwhile the requirement for grinding of multi-size ring bodies can be met through an adjustable grinding structure.
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Description

Technical Field

[0001] The utility model relates to the technical field of steam turbines, in particular to a steam turbine carbon brush slip ring grinding device. Background Art

[0002] A steam turbine, also known as a steam turbine engine, is a rotary steam power device. High-temperature and high-pressure steam passes through a fixed nozzle and becomes an accelerated airflow, which is then sprayed onto the blades, causing the rotor with the blades to rotate and perform work externally. Steam turbines are the main equipment in modern thermal power plants and are also used in the metallurgical industry, chemical industry, and ship power devices.

[0003] When the current steam turbine is in use, a carbon brush slip ring structure is used inside. The slip ring needs to be polished during production and processing. The traditional method is to place a single ring body in the polishing structure position. After the grinding disk is rotated, the outer edge of the fixed ring body can be polished, causing the polishing waste to splash everywhere and affect the external environment. At the same time, the processing efficiency cannot be improved in a single operation. Utility Model Content

[0004] The purpose of the utility model is to provide a turbine carbon brush slip ring grinding device to solve the problem raised in the above background technology that when the current steam turbine is in use, a carbon brush slip ring structure will be used inside, and the slip ring needs to be ground during production and processing. The traditional method is to place a single ring body in the grinding structure position, and after the grinding disk is rotated, the outer edge of the fixed ring body can be ground, so that the grinding waste is splashed everywhere to affect the external environment, and at the same time, the processing efficiency cannot be improved in a single operation.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A steam turbine carbon brush slip ring grinding device comprises a processing box body, the bottom surface of the processing box body is evenly threaded and fixedly connected with a bottom pad, one side of the processing box body is vertically clamped with a sealing door panel, one side of the processing box body is horizontally plugged with a collection drawer, one side of the processing box body is fixedly clamped with a control panel, the top surface of the processing box body is fixedly provided with a top cylinder, the two sides of the processing box body are symmetrically bolted and fixedly connected with an adjusting cylinder, the inner side wall of the processing box body is symmetrically provided with an inner clamping groove, the inner side of the inner clamping groove is vertically clamped with a moving inner block, one side of the moving inner block is vertically clamped with a grinding roller, the top surface of the moving inner block is fixedly connected with a top motor, the processing A middle support column is inserted into the inner top surface of the processing box body, and the bottom end of the middle support column is threadedly fixedly connected to the bottom blocking plate, and the top of the middle support column is fixedly provided with a top rotating disk, the inner side wall of the processing box body is horizontally clamped with a main gear, and a rotating motor is fixedly provided on the top surface of the inner side wall of the processing box body, the inner side wall of the inner clamping groove is symmetrically provided with inner limit grooves, and side clamping strips are symmetrically welded on both sides of the movable inner block, the inner side edge of the middle support column is vertically inserted with an inner plug-in rod, and the top end of the inner plug-in rod is provided with a top clamping hole, and the side edges of the middle support column are evenly provided with side through grooves, and the inner sides of the side through grooves are inserted with extrusion ejector rods, and one end of the extrusion ejector rod is vertically welded with an extrusion strip.

[0007] As a preferred embodiment of the present utility model: the number of the bottom pads is four, and the top surface screws of the four bottom pads are all threadedly fixed and connected one by one to the bottom surface of the processing box body near the inside of the four corner screw holes, the sealing door panel is connected by a hinge and is arranged on the center line of one side of the processing box body near the top through groove position, and the collection drawer is horizontally arranged at the inner bottom surface of the processing box body.

[0008] As a preferred embodiment of the utility model: the top cylinder is vertically fixed at the center of the top surface of the processing box, and the output end of the top cylinder vertically penetrates the top surface of the processing box and extends to the inside, and the extended bottom end is clamped on the inner side of the top clamping hole, the adjusting cylinder is fixed on the center line of both side edges of the processing box close to the two ends, and the output end of the adjusting cylinder is horizontally extended and fixedly connected to one side of the movable inner block.

[0009] As a preferred embodiment of the utility model: the grinding roller is vertically arranged at the side center line position of the movable inner block, and the top shaft end of the grinding roller is fixedly connected to the output end of the top motor, the middle support column is vertically arranged at the inner center axis position of the processing box body, the top end of the middle support column is fixedly arranged at the bottom center position of the top rotating disk, and the top rotating disk is horizontally clamped at the inner top center position of the processing box body, and the outer side edge of the top rotating disk is provided with a tooth groove structure.

[0010] As a preferred embodiment of the utility model: the outer edge of the main gear extends to the inner gear connection of the outer tooth groove of the top rotating disk, and the center position of the main gear is fixedly sleeved on the output end of the rotating motor, the inner limit groove is horizontally symmetrically arranged on the inner side of the inner clamping groove near the top and bottom ends, the side clamping strips are horizontally symmetrically fixed on both sides of the movable inner block near the two ends, and the side clamping strips are horizontally clamped on the inner side edge of the inner limit groove.

[0011] As a preferred embodiment of the present utility model: the side through grooves are all opened in a through-type on the outer side of the middle support column, one end of the extrusion top rod extends to the inner side edge of the middle support column, and the extended end is connected to the outer side edge of the inner plug-in rod through a connecting rod, and the extrusion strips are vertically arranged in a ring shape on the outer side edge of the middle support column.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] After the sealing door panel on one side of the processing box is opened, the utility model can arrange multiple carbon brush slip rings in a stacked sleeve manner on the outer side of the middle support column through the side opening of the processing box, and the bottom end is fixedly blocked and connected to the bottom end of the middle support column through the bottom blocking plate. Then, after the sealing door panel is closed, the control panel on the side is controlled to cause the top cylinder on the top surface to contract and move, so that the output end pulls the inner plug-in rod to move upward, so that the multiple external extrusion push rods are pulled outward to extend, and one end is used to extrude the extrusion strips outward to expand and extrude them on the inner side of the ring body, so that the multiple ring bodies are extruded and fixed. After the adjustment cylinder on the side is controlled to extend, the output end extrudes the moving inner block to move inside the inner clamping groove. The movable operation is carried out under the mutual restriction of the side clamping strip and the inner limit groove, so that the movement of the movable inner block is more stable, and it stops after moving to the specified spacing. After the rotating motor at the top rotates, the main gear rotates and drives the top rotating disk to rotate, so that the middle support column connected to the bottom surface rotates, and the ring body fixed on the outside rotates. The outer edge of the rotating ring body contacts the outer edge of the grinding roller for grinding. After the top motor rotates, the grinding roller can be rotated to increase the grinding efficiency. The polished waste falls down into the collection drawer for collection. The sealed operating structure is adopted so that the external environment will not be affected during the grinding process. At the same time, the adjustable grinding structure can meet the grinding needs of rings of multiple sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a steam turbine carbon brush slip ring grinding device;

[0016] Figure 2 It is a structural schematic diagram of the front view cross-section connection details of a processing box of a steam turbine carbon brush slip ring grinding device;

[0017] Figure 3 It is a structural schematic diagram of the top view and cross-sectional connection details of a processing box of a steam turbine carbon brush slip ring grinding device;

[0018] Figure 4 The present invention is a structural schematic diagram of the front view cross-sectional connection details of a middle support column of a steam turbine carbon brush slip ring grinding device.

[0019] In the figure: 1. processing box; 2. bottom pad; 3. sealing door panel; 4. collection drawer; 5. control panel; 6. top cylinder; 7. adjusting cylinder; 8. inner card slot; 9. moving inner block; 10. grinding roller; 11. top motor; 12. middle support column; 13. bottom blocking plate; 14. top rotating disk; 15. main gear; 16. rotating motor; 17. inner limit slot; 18. side card strip; 19. inner plug-in rod; 20. top card hole; 21. side through slot; 22. extrusion top rod; 23. extrusion strip. DETAILED DESCRIPTION

[0020] See also Figure 1 In the embodiment of the utility model, a steam turbine carbon brush slip ring grinding device comprises a processing box body 1, a bottom pad 2 is evenly threadedly fixedly connected to the bottom surface of the processing box body 1, a sealing door panel 3 is vertically clamped on one side of the processing box body 1, and a collection drawer 4 is horizontally plugged into one side of the processing box body 1. There are four bottom pads 2, and the top surface screws of the four bottom pads 2 are all threadedly fixedly connected and arranged on the bottom surface of the processing box body 1 near the four corner screw holes. The sealing door panel 3 is hingedly connected and arranged on the center line of one side of the processing box body 1 near the top through groove position, and the collection drawer 4 is horizontally arranged on the processing box body 1. The inner bottom surface position of the processing box body 1, a control panel 5 is fixedly connected to one side of the processing box body 1, a top cylinder 6 is fixedly arranged on the top surface of the processing box body 1, and the two sides of the processing box body 1 are symmetrically bolted and fixedly connected with adjusting cylinders 7, the top cylinder 6 is vertically fixedly arranged at the center position of the top surface of the processing box body 1, and the output end of the top cylinder 6 vertically penetrates the top surface of the processing box body 1 and extends to the inside, and the extended bottom end is clamped and arranged on the inner side of the top clamping hole 20, the adjusting cylinder 7 is fixedly arranged at the center line of the two sides of the processing box body 1 near the two ends, and the output end of the adjusting cylinder 7 is horizontally extended and fixedly connected to one side of the movable inner block 9;

[0021] See also Figure 2-4In the embodiment of the utility model, a steam turbine carbon brush slip ring grinding device is provided, wherein the inner side wall of the processing box body 1 is symmetrically provided with an inner clamping groove 8, the inner side edge of the inner clamping groove 8 is vertically clamped with a movable inner block 9, one side edge of the movable inner block 9 is vertically clamped with a grinding roller 10, the top surface of the movable inner block 9 is fixedly connected with a top motor 11, a middle support column 12 is inserted into the inner top surface of the processing box body 1, the bottom end of the middle support column 12 is threadedly fixedly connected with a bottom blocking plate 13, the top end of the middle support column 12 is fixedly provided with a top rotating disk 14, and the grinding roller 10 is vertically arranged on the movable inner block 9 is disposed at the side center line position, and the top shaft end of the grinding roller 10 is fixedly connected and arranged at the output end of the top motor 11, the middle support column 12 is vertically arranged at the inner center axis position of the processing box body 1, the top end of the middle support column 12 is fixedly arranged at the bottom center position of the top rotating disk 14, and the top rotating disk 14 is horizontally clamped and arranged at the inner top center position of the processing box body 1, the outer side of the top rotating disk 14 is provided with a tooth groove structure, the inner side wall of the processing box body 1 is horizontally clamped with a main gear 15, the inner side wall top surface of the processing box body 1 is fixedly provided with a rotating motor 16, and the inner side wall of the inner clamping groove 8 is The inner limit grooves 17 are symmetrically opened, and the side clamping strips 18 are symmetrically welded on both sides of the moving inner block 9. The outer side of the main gear 15 extends to the outer tooth groove of the top rotating disk 14 and is internally toothed, and the center position of the main gear 15 is fixedly sleeved and set at the output end of the rotating motor 16. The inner limit grooves 17 are horizontally symmetrically opened on the inner side of the inner clamping groove 8 near the top and bottom ends, and the side clamping strips 18 are horizontally symmetrically fixed on both sides of the moving inner block 9 near the two ends, and the side clamping strips 18 are horizontally clamped and set on the inner side of the inner limit groove 17, and the inner side of the middle support column 12 is vertically An inner plug-in rod 19 is inserted thereinto, a top clamping hole 20 is provided at the top of the inner plug-in rod 19, side through grooves 21 are evenly provided on the sides of the middle support column 12, an extrusion ejector rod 22 is inserted into the inner side of the side through groove 21, an extrusion strip 23 is vertically welded to one end of the extrusion ejector rod 22, and the side through grooves 21 are all through-type opened on the outside of the middle support column 12, one end of the extrusion ejector rod 22 extends to the inner side of the middle support column 12, and the extended end is connected to the outer side of the inner plug-in rod 19 through a connecting rod, and the extrusion strip 23 is vertically arranged in a ring shape on the outer side of the middle support column 12.

[0022] The working principle of the utility model is:

[0023] After the sealing door panel 3 on one side of the processing box body 1 is opened, multiple carbon brush slip rings can be stacked and sleeved on the outer side of the middle support column 12 through the side opening of the processing box body 1, and fixedly blocked and connected at the bottom end of the middle support column 12 through the bottom blocking plate 13. Then, after the sealing door panel 3 is closed, the control panel 5 on the side is controlled to make the top cylinder 6 on the top surface contract and move, so that the output end pulls the inner plug-in rod 19 to move upward, so that the multiple external extrusion push rods 22 are pulled outward to extend, and one end squeezes the extrusion strip 23 to expand outward and squeeze it on the inner side of the ring body to fix it, so that multiple ring bodies are squeezed and fixed, and the adjustment cylinder 7 on the opposite side controls the extension operation After that, the output end squeezes the moving inner block 9 to move inside the inner clamping groove 8. Under the mutual restriction of the side clamping strip 18 and the inner limit groove 17, the movement of the moving inner block 9 is more stable. After moving to the specified spacing, it stops. After the rotating motor 16 at the top rotates, the main gear 15 rotates and drives the top rotating disk 14 to rotate, so that the middle support column 12 connected to the bottom surface rotates, and the ring body fixed on the outside rotates. The outer edge of the rotating ring body contacts the outer edge of the grinding roller 10 for grinding. After the top motor 11 rotates, the grinding roller 10 can be rotated to increase the grinding efficiency, and the polished waste falls down into the collection drawer 4 for collection.

[0024] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A steam turbine carbon brush slip ring grinding device, comprising a processing box (1), characterized in that: The bottom surface of the processing box (1) is evenly threadedly fixedly connected with a bottom pad (2); one side of the processing box (1) is vertically clamped with a sealing door panel (3); one side of the processing box (1) is horizontally plugged with a collection drawer (4); one side of the processing box (1) is fixedly clamped with a control panel (5); the top surface of the processing box (1) is fixedly provided with a top cylinder (6); the two sides of the processing box (1) are symmetrically bolted and fixedly connected with an adjustment cylinder (7); the inner side wall of the processing box (1) is symmetrically provided with an inner clamping groove (8); the inner side of the inner clamping groove (8) is vertically clamped with a movable inner block (9); one side of the movable inner block (9) is vertically clamped with a grinding roller (10); the top surface of the movable inner block (9) is fixedly connected with a top motor (11); the inner top surface of the processing box (1) is plugged with a middle support column (12); The bottom end of the support column (12) is threadedly fixedly connected with a bottom blocking plate (13), the top of the middle support column (12) is fixedly provided with a top rotating disk (14), the inner side wall of the processing box (1) is horizontally clamped with a main gear (15), the top surface of the inner side wall of the processing box (1) is fixedly provided with a rotating motor (16), the inner side wall of the inner clamping groove (8) is symmetrically provided with inner limit grooves (17), and the two sides of the movable inner block (9) are A side clamping strip (18) is symmetrically welded on the side, an inner plug-in rod (19) is vertically inserted into the inner side of the middle support column (12), a top clamping hole (20) is provided at the top of the inner plug-in rod (19), and a side through groove (21) is evenly provided on the side of the middle support column (12), an extrusion push rod (22) is inserted into the inner side of the side through groove (21), and an extrusion strip (23) is vertically welded on one end of the extrusion push rod (22).

2. A steam turbine carbon brush slip ring grinding device according to claim 1, characterized in that: The number of the bottom pads (2) is four, and the top surface screws of the four bottom pads (2) are all threadedly fixedly connected and arranged on the bottom surface of the processing box (1) near the inside of the four corner screw holes, the sealing door panel (3) is hingedly connected and arranged on the middle line of one side of the processing box (1) near the top through groove, and the collection drawer (4) is horizontally arranged on the inner bottom surface of the processing box (1).

3. A steam turbine carbon brush slip ring grinding device according to claim 1, characterized in that: The top cylinder (6) is vertically fixedly arranged at the center position of the top surface of the processing box (1), and the output end of the top cylinder (6) vertically penetrates the top surface of the processing box (1) and extends to the inside, and the extended bottom end is clamped and arranged on the inner side of the top clamping hole (20); the adjustment cylinder (7) is fixedly arranged at the center line of the two side edges of the processing box (1) close to the two end positions, and the output end of the adjustment cylinder (7) is horizontally extended and fixedly connected to one side of the movable inner block (9).

4. A steam turbine carbon brush slip ring grinding device according to claim 1, characterized in that: The grinding roller (10) is vertically arranged at the side center line position of the movable inner block (9), and the top shaft end of the grinding roller (10) is fixedly connected to the output end of the top motor (11), the middle support column (12) is vertically arranged at the inner center axis position of the processing box (1), the top end of the middle support column (12) is fixedly arranged at the bottom center position of the top rotating disk (14), and the top rotating disk (14) is horizontally clamped at the inner top center position of the processing box (1), and the outer side of the top rotating disk (14) is provided with a tooth groove structure.

5. A steam turbine carbon brush slip ring grinding device according to claim 1, characterized in that: The outer side edge of the main gear (15) extends to the outer tooth groove of the top rotating disk (14) and is gear-connected therewith, and the center position of the main gear (15) is fixedly sleeved and arranged on the output end of the rotating motor (16), the inner limit groove (17) is horizontally symmetrically arranged on the inner side of the inner clamping groove (8) near the top and bottom ends, the side clamping strips (18) are horizontally symmetrically fixedly arranged on both sides of the movable inner block (9) near the two ends, and the side clamping strips (18) are horizontally clamped and arranged on the inner side edge of the inner limit groove (17).

6. A steam turbine carbon brush slip ring grinding device according to claim 1, characterized in that: The side through grooves (21) are all through-opened on the outer side of the middle support column (12); one end of the extrusion push rod (22) extends to the inner side edge of the middle support column (12), and the extended end is connected to the outer side edge of the inner plug-in rod (19) through a connecting rod; the extrusion strips (23) are arranged in a vertical ring shape on the outer side edge of the middle support column (12).