CN212947059U - Carbon brush cambered surface grinding device - Google Patents
Carbon brush cambered surface grinding device Download PDFInfo
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- CN212947059U CN212947059U CN202021766857.1U CN202021766857U CN212947059U CN 212947059 U CN212947059 U CN 212947059U CN 202021766857 U CN202021766857 U CN 202021766857U CN 212947059 U CN212947059 U CN 212947059U
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- carbon brush
- screw rod
- anchor clamps
- sliding seat
- grinding device
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Abstract
The utility model provides a carbon brush cambered surface grinding device, includes the support frame, is equipped with anchor clamps on the support frame, is equipped with elevating system between anchor clamps and the support frame, is equipped with the square shaft on the anchor clamps, square shaft and support frame fixed connection, the epaxial sliding seat that is equipped with of square shaft, sliding seat cover establish the square shaft on slide, the sliding seat tip is equipped with the stone of polishing, the carbon brush is fixed on anchor clamps, the stone of polishing supports and leans on reciprocating motion on the carbon brush. The carbon brush that will polish is placed between two chucks in anchor clamps, the chuck rotates relatively and presss from both sides the carbon brush tightly, install the whetstone on the sliding seat, adjust elevating system so that second lead screw top pushes away anchor clamps altitude mixture control, make the whetstone and carbon brush contact, manual reciprocal drive handle drives the whetstone and removes, polish the carbon brush, drive elevating system when polishing, drive the carbon brush rebound, thereby make the carbon brush polish certain radian of shaping, guarantee the precision of polishing, the carbon brush cambered surface is polished more high-efficiently, carbon brush cambered surface precision is higher, the operation is simple and convenient, and the carbon brush is suitable for being generalized to use.
Description
Technical Field
The utility model relates to a field that the carbon brush was polished, concretely relates to carbon brush cambered surface grinding device.
Background
Carbon brushes are used as a sliding contact element and are mainly used for a device for transmitting energy or signals between a fixed part of a generator and a rotating slip ring. The carbon brush mainly contains carbon, has the characteristic of easy abrasion and needs to be maintained and replaced regularly. The carbon brush is arranged on the special carbon brush support and is tightly pressed on the slip ring through the support spring, and when the slip ring rotates, current is conducted through the contact surface of the carbon brush and the slip ring. Because the carbon brush is generally rectangular, when the carbon brush is replaced, the surface of the carbon brush needs to be polished into an arc surface with the same curvature radius as the slip ring, so as to ensure the contact surface of the newly-installed carbon brush and the slip ring.
When the carbon brush is polished, the processing precision cannot be ensured by a pure manual polishing mode, the processing time is long, the material of the carbon brush is soft, the surface of the carbon brush is rough or flaws exist due to uneven force control during polishing, the contact between the carbon brush and a sliding ring is poor, the defects of overheating and ignition of the carbon brush are caused, and the operation safety of equipment is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a carbon brush cambered surface grinding device solves the unable machining precision of guaranteeing of the mode of pure manual polishing, and process time is long, and the carbon brush material is softer, leads to carbon brush roughness or existence flaw because of the dynamics control is uneven easily during polishing, leads to carbon brush and sliding ring contact failure, arouses defects such as the carbon brush is overheated, strikes sparks, influences the safe problem of equipment operation.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a carbon brush cambered surface grinding device, includes the support frame, is equipped with anchor clamps on the support frame, is equipped with elevating system between anchor clamps and the support frame, is equipped with the square shaft on the anchor clamps, square shaft and support frame fixed connection, the epaxial sliding seat that is equipped with of square shaft, sliding seat cover establish the square shaft on slide, the sliding seat tip is equipped with the stone of polishing, the carbon brush is fixed on anchor clamps, the stone of polishing supports and leans on reciprocating motion on the carbon brush.
In the preferred scheme, a connecting plate is arranged between the clamp and the lifting mechanism and fixedly connected with the clamp, a second screw rod in the lifting mechanism is abutted against the connecting plate, a guide post is arranged on one side of the clamp, a guide sleeve is arranged on the support frame, and the guide post penetrates through the guide sleeve to slide.
In the preferred scheme, a sliding second screw rod is arranged in a mounting seat in the lifting mechanism, a worm wheel is arranged on the outer side of the second screw rod, the second screw rod is in threaded connection with the worm wheel, and two ends of the worm wheel are connected with the mounting seat through bearings.
In the preferred scheme, a worm is arranged on one side of a worm wheel and meshed with the worm wheel, the worm is connected with the mounting seat through a bearing, a second hand wheel is arranged at the end part of the worm, and the second hand wheel is fixedly connected with the worm;
the second screw rod is driven to rotate by rotating the second hand wheel in a meshed mode with the worm wheel, and the worm wheel rotates to enable the second screw rod to move up and down.
In the preferred scheme, the two sides of the fixed seat in the fixture are provided with the chucks which rotate relatively, the chucks are hinged with the fixed seat through the pin shaft, and the chucks rotate to lean against the carbon brush to be clamped and fixed.
In the preferred scheme, the two chucks are connected through a first screw rod, a connecting shaft is arranged between the chucks and the first screw rod, the connecting shaft is hinged with the chucks, and the first screw rod penetrates through the connecting shaft and is in threaded connection.
In the preferred scheme, the screw thread rotation of the first screw rod in threaded connection with the two connecting shafts is opposite, a first hand wheel is arranged on one side of the first screw rod, and the first hand wheel is fixedly connected with the first screw rod;
the first hand wheel is driven to drive the first screw rod to rotate, so that the two connecting shafts move relatively, and the two chucks are driven to rotate relatively.
In the preferred scheme, be equipped with the fixed block in the fixing base, fixed block and fixing base fixed connection, first lead screw card is in the recess on the fixed block.
In the preferred scheme, the square shaft is a right polygon shaft, the sliding seat is provided with a right polygon hole matched with the square shaft, and the sliding seat is sleeved on the square shaft to slide.
In the preferred scheme, a handle is arranged on one side of the sliding seat, the handle is fixedly connected with the sliding seat, and the polishing stone is connected with the sliding seat through a bolt.
The utility model provides a carbon brush cambered surface grinding device, place the carbon brush that will polish between two chucks in anchor clamps, rotate first hand wheel and drive first lead screw and rotate, so that the chuck rotates relatively and presss from both sides the carbon brush tightly, install the whetstone of certain radian on the sliding seat, adjust the second hand wheel among the elevating system, so that second lead screw top pushes away anchor clamps altitude mixture control, make whetstone and carbon brush contact, manual reciprocal drive handle drives the whetstone and remove, polish the carbon brush, drive elevating system when polishing, drive carbon brush rebound, thereby make the certain radian of carbon brush shaping of polishing, removable whetstone, thereby reach the precision of higher polishing, the cambered surface is polished more high-efficiently, carbon brush cambered surface precision is higher, easy operation is convenient, and is suitable for being generalized to use.
Drawings
The invention will be further explained with reference to the following figures and examples:
FIG. 1 is a side view of the overall structure of the present invention;
FIG. 2 is a top view of the overall structure of the present invention;
FIG. 3 is a sectional view taken along line A-A of the present invention;
FIG. 4 is a cross-sectional view of the present invention taken along line B-B;
in the figure: a support frame 1; a square shaft 2; a slide base 3; grinding stone 4; a handle 5; a clamp 6; a fixed seat 601; a collet 602; a pin 603; a first lead screw 604; a first hand wheel 605; a connecting shaft 606; a fixed block 607; a connecting plate 7; a guide post 8; a lifting mechanism 9; a mounting seat 901; a worm gear 902; a worm 903; a second lead screw 904; a second hand wheel 905; a guide sleeve 10; and a carbon brush 11.
Detailed Description
Example 1
As shown in fig. 1 to 4, a carbon brush arc surface polishing device comprises a support frame 1, a clamp 6 is arranged on the support frame 1, a lifting mechanism 9 is arranged between the clamp 6 and the support frame 1, a square shaft 2 is arranged on the clamp 6, the square shaft 2 is fixedly connected with the support frame 1, a sliding seat 3 is arranged on the square shaft 2, the sliding seat 3 is sleeved on the square shaft 2 to slide, a polishing stone 4 is arranged at the end part of the sliding seat 3, a carbon brush 11 is fixed on the clamp 6, the polishing stone 4 is abutted against the carbon brush 11 to reciprocate, therefore, the structure is adopted, the polishing stone 4 is manually driven to reciprocate to polish the carbon brush 11, the carbon brush 11 is fixed by the clamp 6 to be automatically positioned, the arc surface of the carbon brush 11 is ensured to be matched with the arc surface of the polishing stone 4, the polishing precision of the carbon brush 11 is ensured, the lifting mechanism 9 can adjust the height of the carbon brush 11, the grinding precision of the cambered surface of the carbon brush 11 is ensured, and the grinding efficiency is greatly improved.
In the preferred scheme, be equipped with connecting plate 7 between anchor clamps 6 and the elevating system 9, connecting plate 7 and anchor clamps 6 fixed connection, second lead screw 904 among the elevating system 9 supports and leans on connecting plate 7, anchor clamps 6 one side is equipped with guide post 8, be equipped with guide pin bushing 10 on the support frame 1, guide post 8 wears to slide in guide pin bushing 10, the structure from this, second lead screw 904 top among the elevating system 9 pushes away connecting plate 7 and drives anchor clamps 6 and carbon brush 11 and reciprocate, connecting plate 7 passes through the guide pin bushing 10 of a plurality of guide posts 8 wearing on support frame 1 and slides, it is more steady when second lead screw 904 top pushes away connecting plate 7 and removes to have guaranteed, carbon brush 11 height adjustment is more stable convenient, guarantee the precision of polishing.
In a preferable scheme, a sliding second screw rod 904 is arranged in a mounting seat 901 in the lifting mechanism 9, a worm wheel 902 is arranged on the outer side of the second screw rod 904, the second screw rod 904 is in threaded connection with the worm wheel 902, and two ends of the worm wheel 902 are connected with the mounting seat 901 through bearings, so that the structure is that the second screw rod 904 penetrates through the worm wheel 902 in threaded connection, and the worm wheel 902 abuts against the mounting seat 901 through the bearings to rotate, so that the second screw rod 904 can be driven to move up and down.
In a preferable scheme, a worm 903 is arranged on one side of a worm wheel 902, the worm 903 is meshed with the worm wheel 902, the worm 903 is connected with an installation seat 901 through a bearing, a second hand wheel 905 is arranged at the end part of the worm 903, and the second hand wheel 905 is fixedly connected with the worm 903;
the second hand wheel 905 is rotated to drive the worm 903 to be meshed with the worm wheel 902 to rotate, the worm wheel 902 rotates to enable the second lead screw 904 to move up and down, and therefore the second hand wheel 905 rotates to drive the worm 903 to be meshed with the worm wheel 902 to rotate so as to enable the second lead screw 904 in the worm wheel 902 to move up and down.
In a preferable scheme, the two sides of the fixed seat 601 in the fixture 6 are provided with the chucks 602 which rotate relatively, the chucks 602 are hinged with the fixed seat 601 through the pin shaft 603, and the chucks 602 rotate to abut against the carbon brush 11 to clamp and fix the carbon brush 11, so that in the structure, the two chucks 602 are hinged with the fixed seat 601, the two chucks 602 which rotate relatively can clamp the carbon brush 11 like a clamp, and the two chucks 602 which rotate relatively can ensure that the carbon brush 11 can be kept at the central position for positioning when clamping the carbon brush 11, so that the grinding precision of the arc surface of the grinding stone 4 is higher.
In a preferable scheme, the two clamping heads 602 are connected through a first screw rod 604, a connecting shaft 606 is arranged between the clamping heads 602 and the first screw rod 604, the connecting shaft 606 is hinged to the clamping heads 602, and the first screw rod 604 penetrates through the connecting shaft 606 to be in threaded connection, so that the structure drives the connecting shaft 606 on the clamping heads 602 to move through the rotation of the first screw rod 604, the rotation of the clamping heads 602 on the fixing seats 601 is realized, and the carbon brushes 11 are clamped and fixed through the relative rotation of the clamping heads 602.
In a preferable scheme, the screw threads of the first screw rod 604 and the two connecting shafts 606 are opposite in rotation, one side of the first screw rod 604 is provided with a first hand wheel 605, and the first hand wheel 605 is fixedly connected with the first screw rod 604;
the first hand wheel 605 is driven to drive the first lead screw 604 to rotate, so that the two connecting shafts 606 move relatively, and the two clamping heads 602 are driven to rotate relatively, and therefore, in the structure, the two ends of the first lead screw 604 are provided with threads with opposite rotation directions, and are in threaded connection with the connecting shafts 606 of the two clamping heads 602 through the threads with opposite rotation directions, so that when the first lead screw 604 rotates, the two clamping heads 602 can rotate relatively, the carbon brush 11 can be clamped, and automatic centering of the carbon brush 11 can be guaranteed.
In a preferable scheme, a fixing block 607 is arranged in the fixing seat 601, the fixing block 607 is fixedly connected with the fixing seat 601, and the first lead screw 604 is clamped in a groove on the fixing block 607, so that in the structure, a boss on the first lead screw 604 abuts against the fixing block 607 to limit the left-right transverse movement of the first lead screw 604, and the accurate rotation of the two chucks 602 when the first lead screw 604 rotates is ensured, so as to clamp and center the carbon brush 11.
In the preferred scheme, square shaft 2 is just to the polygon axle, is equipped with the regular polygon hole that matches with square shaft 2 on the sliding seat 3, and 3 covers of sliding seat are established and are slided on square shaft 2, from this structure, regular polygon hole and just to the polygon axle connection, guarantee that sliding seat 3 can not take place to rotate when gliding on square shaft 2 sliding seat 3 to the center of location abrasive stone 4, so that abrasive stone 4 is the same with 11 centers of carbon brush, guarantees the precision that 11 cambered surfaces of carbon brush were polished.
In the preferred scheme, 3 one sides of sliding seat are equipped with handle 5, handle 5 and 3 fixed connection of sliding seat, through bolted connection between stone 4 and the sliding seat 3 of polishing, from this structure, dismantle the bolt and change stone 4 of polishing, carry out the corase grind and the correct grinding for improve the precision of polishing when polishing efficiency, manual drive handle 5 removes and drives stone 4 and 3 removals of sliding seat, thereby carry out reciprocating polishing movement on carbon brush 11.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (10)
1. The utility model provides a carbon brush cambered surface grinding device which characterized by: including support frame (1), be equipped with anchor clamps (6) on support frame (1), be equipped with elevating system (9) between anchor clamps (6) and support frame (1), be equipped with square shaft (2) on anchor clamps (6), square shaft (2) and support frame (1) fixed connection are equipped with sliding seat (3) on square shaft (2), sliding seat (3) cover is established and is slided on square shaft (2), sliding seat (3) tip is equipped with and polishes stone (4), carbon brush (11) are fixed on anchor clamps (6), it supports by reciprocating motion on carbon brush (11) to polish stone (4).
2. The carbon brush arc surface grinding device according to claim 1, characterized in that: be equipped with connecting plate (7) between anchor clamps (6) and elevating system (9), connecting plate (7) and anchor clamps (6) fixed connection, second lead screw (904) among elevating system (9) support and lean on connecting plate (7), and anchor clamps (6) one side is equipped with guide post (8), is equipped with guide pin bushing (10) on support frame (1), and guide post (8) are worn and are slided in guide pin bushing (10).
3. The carbon brush arc surface grinding device according to claim 2, characterized in that: a second sliding screw rod (904) is arranged in a mounting seat (901) in the lifting mechanism (9), a worm wheel (902) is arranged on the outer side of the second screw rod (904), the second screw rod (904) is in threaded connection with the worm wheel (902), and two ends of the worm wheel (902) are connected with the mounting seat (901) through bearings.
4. The carbon brush arc surface grinding device according to claim 3, characterized in that: a worm (903) is arranged on one side of the worm wheel (902), the worm (903) is meshed with the worm wheel (902), the worm (903) is connected with the mounting seat (901) through a bearing, a second hand wheel (905) is arranged at the end part of the worm (903), and the second hand wheel (905) is fixedly connected with the worm (903);
the second hand wheel (905) is rotated to drive the worm (903) to be meshed with the worm wheel (902) to rotate, and the worm wheel (902) rotates to enable the second screw rod (904) to move up and down.
5. The carbon brush arc surface grinding device according to claim 1, characterized in that: two sides of a fixed seat (601) in the clamp (6) are provided with chucks (602) which rotate relatively, the chucks (602) are hinged with the fixed seat (601) through a pin shaft (603), and the chucks (602) rotate and abut against a carbon brush (11) to be clamped and fixed.
6. The carbon brush arc surface grinding device according to claim 5, characterized in that: the two clamping heads (602) are connected through a first screw rod (604), a connecting shaft (606) is arranged between the clamping heads (602) and the first screw rod (604), the connecting shaft (606) is hinged to the clamping heads (602), and the first screw rod (604) penetrates through the connecting shaft (606) to be in threaded connection.
7. The carbon brush arc surface grinding device according to claim 6, characterized in that: the screw rotation of the first screw rod (604) in threaded connection with the two connecting shafts (606) is opposite, one side of the first screw rod (604) is provided with a first hand wheel (605), and the first hand wheel (605) is fixedly connected with the first screw rod (604);
the first hand wheel (605) is driven to drive the first screw rod (604) to rotate, so that the two connecting shafts (606) move relatively, and the two clamping heads (602) are driven to rotate relatively.
8. The carbon brush arc surface grinding device according to claim 7, characterized in that: a fixed block (607) is arranged in the fixed seat (601), the fixed block (607) is fixedly connected with the fixed seat (601), and the first screw rod (604) is clamped in a groove on the fixed block (607).
9. The carbon brush arc surface grinding device according to claim 1, characterized in that: the square shaft (2) is a right polygon shaft, a right polygon hole matched with the square shaft (2) is formed in the sliding seat (3), and the sliding seat (3) is sleeved on the square shaft (2) to slide.
10. The carbon brush arc surface grinding device according to claim 1, characterized in that: a handle (5) is arranged on one side of the sliding seat (3), the handle (5) is fixedly connected with the sliding seat (3), and the polishing stone (4) is connected with the sliding seat (3) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021766857.1U CN212947059U (en) | 2020-08-21 | 2020-08-21 | Carbon brush cambered surface grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021766857.1U CN212947059U (en) | 2020-08-21 | 2020-08-21 | Carbon brush cambered surface grinding device |
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| Publication Number | Publication Date |
|---|---|
| CN212947059U true CN212947059U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021766857.1U Active CN212947059U (en) | 2020-08-21 | 2020-08-21 | Carbon brush cambered surface grinding device |
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|---|---|
| CN (1) | CN212947059U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473839A (en) * | 2022-01-09 | 2022-05-13 | 华能澜沧江水电股份有限公司 | Grinding device for carbon brush of excitation collecting ring of hydroelectric generating set |
-
2020
- 2020-08-21 CN CN202021766857.1U patent/CN212947059U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473839A (en) * | 2022-01-09 | 2022-05-13 | 华能澜沧江水电股份有限公司 | Grinding device for carbon brush of excitation collecting ring of hydroelectric generating set |
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