CN112476150A - Transformer substation's knife switch contact overhauls uses equipment of polishing - Google Patents
Transformer substation's knife switch contact overhauls uses equipment of polishing Download PDFInfo
- Publication number
- CN112476150A CN112476150A CN202011308326.2A CN202011308326A CN112476150A CN 112476150 A CN112476150 A CN 112476150A CN 202011308326 A CN202011308326 A CN 202011308326A CN 112476150 A CN112476150 A CN 112476150A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- side wall
- contact
- mounting plate
- workbench
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/02—Bench grinders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses polishing equipment for overhauling a contact of a knife switch of a transformer substation, which comprises a workbench, wherein the side wall of the workbench is fixedly connected with a mounting plate, the side wall of the mounting plate is fixedly connected with a placing box, the inner bottom of the placing box is fixedly connected with a motor, an output shaft of the motor extends out of the placing box and is fixedly connected with a rotating rod, one end of the rotating rod, far away from the motor, is fixedly connected with a polishing wheel, and the side wall of the mounting plate is fixedly connected with a clamp; the workbench is provided with a heat dissipation mechanism for dissipating heat and cooling the grinding wheel, and the heat dissipation mechanism comprises a lead frame fixedly inserted in the side wall of the rotating rod; the side wall of the placing box is fixedly connected with two permanent magnet strips; the equal fixedly connected with two fixed strips of lateral wall that the mounting panel is relative with the workstation. The invention can effectively reduce the temperature of the polishing wheel and the contact, prevent the polishing wheel and the contact from being aged too fast, prolong the service life of the polishing wheel and the contact, and ensure the air quality and the health of workers.
Description
Technical Field
The invention relates to the technical field of transformer substation equipment, in particular to polishing equipment for overhauling a contact of a knife switch of a transformer substation.
Background
An open-type transformer substation insulator is exposed in an outdoor environment, an isolating switch disconnecting link needs to be closed and opened, the isolating switch disconnecting link needs to be kept in a normally closed state in a power supply state, the isolating switch disconnecting link is corroded by natural phenomena such as rainwater in the outdoor environment and is easy to corrode at a contact terminal, the contact of the isolating switch disconnecting link is prone to being poor in contact in the past, the phenomenon of contact heating is caused, and a power failure accident is caused in the serious situation, so the contact terminal needs to be overhauled and polished regularly, and the existing polishing equipment has the following problems:
1. when the existing polishing device polishes the contact, the temperature of the polishing wheel and the contact is rapidly increased due to the rapid friction between the polishing wheel and the contact, and the aging of the polishing wheel and the contact is easily accelerated at an overhigh temperature, so that the service life of the polishing wheel and the contact is shortened;
2. when existing grinding devices grind, a large amount of dust can be produced, and the dust floats in the air, can influence the air quality of surrounding environment, if inhaled by the staff, still arouse a series of respiratory diseases easily, threaten staff's healthy.
Therefore, the grinding equipment for overhauling the contact of the knife switch of the transformer substation needs to be designed to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides polishing equipment for overhauling a contact of a knife switch of a transformer substation.
In order to achieve the purpose, the invention adopts the following technical scheme:
a polishing device for overhauling a contact of a knife switch of a transformer substation comprises a workbench, wherein a mounting plate is fixedly connected to the side wall of the workbench, a placing box is fixedly connected to the side wall of the mounting plate, a motor is fixedly connected to the inner bottom of the placing box, an output shaft of the motor extends out of the placing box and is fixedly connected with a rotating rod, a polishing wheel is fixedly connected to one end, away from the motor, of the rotating rod, and a clamp is fixedly connected to the side wall of the mounting plate;
the workbench is provided with a heat dissipation mechanism for dissipating heat and cooling the grinding wheel, and the heat dissipation mechanism comprises a lead frame fixedly inserted in the side wall of the rotating rod;
the side wall of the placing box is fixedly connected with two permanent magnet strips;
the side wall of the mounting plate opposite to the workbench is fixedly connected with two fixing strips, one end, close to the two fixing strips, which are opposite up and down, is fixedly connected with a conducting ring together, and the two conducting rings are both in a non-closed annular structure;
the side wall of the mounting plate is fixedly connected with an adjusting box, the inner bottom of the adjusting box is elastically connected with a piston plate through a pressure spring, and two ends of the pressure spring are respectively and electrically connected with the two conducting rings;
a water storage cavity is arranged in the workbench and is communicated with the adjusting box through a one-way liquid inlet pipe;
the top of the regulating box is communicated with a one-way liquid outlet pipe, and one end of the one-way liquid outlet pipe, which is far away from the regulating box, is communicated with a spray head;
and the mounting plate is provided with a swinging mechanism for swinging the spray header.
Preferably, swing mechanism is including setting up the auxiliary tank at the mounting panel lateral wall, auxiliary tank inner wall fixedly connected with flexible gasbag, flexible gasbag passes through air duct and adjusting box intercommunication, flexible gasbag lateral wall fixedly connected with connecting rod, flexible gasbag one end fixedly connected with shift ring is kept away from to the connecting rod.
Preferably, one end of the lead frame is attached to the inner ring of the conducting ring on the left side, and the other end of the lead frame is attached to the inner ring of the conducting ring on the right side.
Preferably, the side wall of the mounting plate is fixedly connected with a water baffle, and the water baffle is located between the grinding wheel and the conducting ring.
Preferably, the one-way liquid outlet pipe is positioned in the auxiliary groove and penetrates through the moving ring.
The invention has the following beneficial effects:
1. compared with the prior art, the heat dissipation mechanism is arranged, the magnetic induction lines are cut through the rotation of the wire guide frame and are in intermittent contact with the conducting ring, so that the pressure spring is electrified intermittently, the piston plate moves in a reciprocating manner, intermittent rainfall can be extruded from the spray header, the temperature of the polishing wheel and the temperature of the contact can be effectively reduced through the sprayed water, the rapid aging of the polishing wheel and the contact is prevented, and the service life of the polishing wheel and the contact is prolonged;
2. compared with the prior art, the dust absorption device disclosed by the invention can adsorb dust floating in the air by discontinuously spraying water through the spray header, so that the air quality of the surrounding environment is ensured, and the dust can be prevented from being absorbed by workers for a long time, thereby ensuring the health of the workers;
3. compared with the prior art, the dust falling device is provided with the swinging mechanism, the telescopic air bag is repeatedly contracted and extended through the reciprocating movement of the piston plate, so that the moving ring is reciprocated, the spray head can be driven to swing back and forth, the coverage range of water beads sprayed by the spray head is enlarged, the dust falling effect of the dust falling device is improved, and the air quality and the health of workers are further ensured.
Drawings
Fig. 1 is a schematic structural diagram of a polishing device for overhauling a contact of a knife switch of a transformer substation, which is provided by the invention;
fig. 2 is an enlarged view of a structure at a position a of the polishing equipment for overhauling the contact of the knife switch of the transformer substation, which is provided by the invention.
In the figure: the device comprises a workbench 1, a mounting plate 2, a water storage cavity 3, a unidirectional liquid inlet pipe 4, a placing box 5, a motor 6, a permanent magnet strip 7, a wire frame 8, a gas guide pipe 9, a conducting ring 10, a polishing wheel 11, a clamp 12, a spray header 13, a water baffle 14, an adjusting box 15, a piston plate 16, a unidirectional liquid outlet pipe 17, a moving ring 18, an auxiliary groove 19, a telescopic air bag 20 and a connecting rod 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, a transformer substation's knife switch contact overhauls and uses equipment of polishing, including workstation 1, a plurality of supporting legss of bottom fixedly connected with of workstation 1, workstation 1 lateral wall fixedly connected with mounting panel 2, the cross-section of mounting panel 2 is the U type structure of invering, box 5 is placed to 2 lateral wall fixedly connected with of mounting panel, place box 5 interior bottom fixedly connected with motor 6, motor 6's output shaft extends to and places box 5 outer and fixedly connected with bull stick, the one end fixedly connected with of motor 6 is kept away from to the bull stick and polishes wheel 11, 2 lateral wall fixedly connected with anchor clamps 12 of mounting panel, anchor clamps 12 are used for the contact that the centre gripping needs polished, can be existing equipment such as manipulator, do not do unnecessary the repeated.
The workbench 1 is provided with a heat dissipation mechanism for dissipating heat and cooling the grinding wheel 11, and the heat dissipation mechanism comprises a lead frame 8 fixedly inserted in the side wall of the rotating rod;
the side wall of the placing box 5 is fixedly connected with two permanent magnet strips 7, the opposite magnetic poles of the two permanent magnet strips 7 are heteropolars, and the two permanent magnet strips 7 are respectively distributed at the two sides of the lead frame 8;
the side wall of the mounting plate 2 opposite to the workbench 1 is fixedly connected with two fixing strips, one end, close to the two fixing strips which are opposite up and down, is fixedly connected with a conducting ring 10 together, the two conducting rings 10 are both in an unclosed annular structure, and it is noted that the angle of the central angle of the arc-shaped structure formed by the sections of the conducting rings 10 is 120-150 degrees, one end of a lead frame 8 is attached to the inner ring of the conducting ring 10 positioned on the left side, the other end of the lead frame 8 is attached to the inner ring of the conducting ring 10 positioned on the right side, the side wall of the mounting plate 2 is fixedly connected with a water baffle 14, the water baffle 14 is positioned between a polishing wheel 11 and the conducting ring 10, and the situation that water splashes;
the side wall of the mounting plate 2 is fixedly connected with an adjusting box 15, the bottom in the adjusting box 15 is elastically connected with a piston plate 16 through a pressure spring, the piston plate 16 is connected with the inner wall of the adjusting box 15 in a sealing and sliding manner, two ends of the pressure spring are respectively and electrically connected with the two conducting rings 10, and the specific connection mode is that the two conducting rings are connected through a conducting wire;
a water storage cavity 3 is arranged in the workbench 1, water is filled in the water storage cavity 3, furthermore, a water replenishing pipe for replenishing water can be arranged on the water storage cavity 3, the water storage cavity 3 is communicated with the adjusting box 15 through a one-way liquid inlet pipe 4, and the one-way liquid inlet pipe 4 limits that water can only flow into the adjusting box 15 from the water storage cavity 3;
the top of the adjusting box 15 is communicated with a one-way liquid outlet pipe 17, one end of the one-way liquid outlet pipe 17, which is far away from the adjusting box 15, is communicated with the spray head 13, the one-way liquid outlet pipe 17 limits water to flow into the spray head 13 from the adjusting box 15, and the one-way liquid outlet pipe 17 is made of a rubber hose, so that the spray head 13 can swing back and forth.
Be equipped with on mounting panel 2 and be used for making shower head 13 wobbling swing mechanism, swing mechanism is including setting up at the auxiliary tank 19 of 2 lateral walls of mounting panel, one-way drain pipe 17 is located auxiliary tank 19, 19 inner wall fixedly connected with telescopic airbag 20 in auxiliary tank, telescopic airbag 20 passes through air duct 9 and adjusts the 15 intercommunication of box, and the intercommunication department is located the 16 lower extremes of piston plate, 20 lateral wall fixedly connected with connecting rods 21 of telescopic airbag, the cross-section of connecting rods 21 is T type structure, connecting rods 21 keeps away from telescopic airbag 20 one end fixedly connected with shift ring 18, one-way drain pipe 17 passes shift ring 18.
The invention can be illustrated by the following operating modes: when the contact is polished, the contact is fixed on the clamp 12, the motor 6 is started again, the motor 6 drives the rotating rod to rotate, and then the polishing wheel 11 is driven to rotate, so that the contact is polished.
When the rotating rod rotates, the wire frame 8 can be driven to rotate, so that the wire frame 8 rotates, the wire frame 8 can cut a magnetic induction line between the two permanent magnet strips 7 when rotating, when two ends of the wire frame 8 are respectively contacted with the inner rings of the two conducting rings 10, the wire frame 8, the pressure spring and the two conducting rings 10 form a closed loop, an induced current can be generated on the wire frame 8, when the current passes through the pressure spring, the current flowing through each coil of the pressure spring is consistent in direction, according to the ampere law, the magnetism of a magnetic field formed by the adjacent two coils towards the close end is opposite, so that the pressure spring can contract and drive the piston plate 16 to move downwards, water in the water storage cavity 3 is sucked into the adjusting box 15, when the two ends of the wire frame 8 are separated from the two conducting rings 10, the circuit is disconnected, the current flowing through the pressure spring disappears, and the pressure spring drives the piston plate 16 to reset, and water in the adjusting box 15 is extruded into the one-way liquid outlet pipe 17 and then is sprayed out from the spray head 13, the operation is repeated, the wire frame 8 continuously rotates, the piston plate 16 moves up and down in a reciprocating mode, the spray head 13 intermittently sprays water, the sprayed water is sprayed onto the polishing wheel 11, the temperature of the polishing wheel 11 can be effectively reduced, the polishing wheel 11 is prevented from being aged too fast, the dust floating in the air and generated in the polishing process can be adsorbed, and the air quality is guaranteed.
When the piston plate 16 moves downwards, the air at the lower end of the adjusting box 15 can be extruded into the telescopic air bag 20 through the air guide pipe 9, so that the telescopic air bag 20 extends, the connecting rod 21 drives the moving ring 18 to move rightwards, when the piston plate 16 moves upwards, the air in the telescopic air bag 20 can be sucked back into the adjusting box 15, the telescopic air bag 20 contracts, the moving ring 18 is driven to move leftwards, the operation is repeated, when the piston plate 16 moves upwards and downwards, the moving ring 18 can move in a reciprocating mode, the one-way liquid outlet pipe 17 drives the spray header 13 to swing back and forth, the coverage range of water beads sprayed by the spray header 13 is enlarged, and the dust settling effect of the device is better.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A polishing device for overhauling a contact of a knife switch of a transformer substation comprises a workbench (1), wherein a mounting plate (2) is fixedly connected to the side wall of the workbench (1), a placing box (5) is fixedly connected to the side wall of the mounting plate (2), a motor (6) is fixedly connected to the bottom in the placing box (5), an output shaft of the motor (6) extends out of the placing box (5) and is fixedly connected with a rotating rod, a polishing wheel (11) is fixedly connected to one end, away from the motor (6), of the rotating rod, and a clamp (12) is fixedly connected to the side wall of the mounting plate (2);
the method is characterized in that: the workbench (1) is provided with a heat dissipation mechanism for dissipating heat and cooling the grinding wheel (11), and the heat dissipation mechanism comprises a lead frame (8) fixedly inserted in the side wall of the rotating rod;
the side wall of the placing box (5) is fixedly connected with two permanent magnet strips (7);
the side wall of the mounting plate (2) opposite to the workbench (1) is fixedly connected with two fixing strips, one ends, close to the two fixing strips, which are opposite up and down are fixedly connected with conducting rings (10) together, and the two conducting rings (10) are both in a non-closed annular structure;
the side wall of the mounting plate (2) is fixedly connected with an adjusting box (15), the bottom in the adjusting box (15) is elastically connected with a piston plate (16) through a pressure spring, and two ends of the pressure spring are respectively and electrically connected with the two conducting rings (10);
a water storage cavity (3) is arranged in the workbench (1), and the water storage cavity (3) is communicated with the adjusting box (15) through a one-way liquid inlet pipe (4);
the top of the adjusting box (15) is communicated with a one-way liquid outlet pipe (17), and one end of the one-way liquid outlet pipe (17) far away from the adjusting box (15) is communicated with a spray head (13);
and a swinging mechanism for swinging the spray header (13) is arranged on the mounting plate (2).
2. The grinding equipment for overhauling the contact of the disconnecting link switch of the transformer substation according to claim 1, characterized in that: swing mechanism is including setting up supplementary groove (19) at mounting panel (2) lateral wall, supplementary groove (19) inner wall fixedly connected with flexible gasbag (20), flexible gasbag (20) are through air duct (9) and regulation box (15) intercommunication, flexible gasbag (20) lateral wall fixedly connected with connecting rod (21), flexible gasbag (20) one end fixedly connected with shift ring (18) are kept away from in connecting rod (21).
3. The grinding equipment for overhauling the contact of the disconnecting link switch of the transformer substation according to claim 1, characterized in that: one end of the lead frame (8) is attached to the inner ring of the conductive ring (10) on the left side, and the other end of the lead frame (8) is attached to the inner ring of the conductive ring (10) on the right side.
4. The grinding equipment for overhauling the contact of the disconnecting link switch of the transformer substation according to claim 3, characterized in that: the side wall of the mounting plate (2) is fixedly connected with a water baffle (14), and the water baffle (14) is located between the grinding wheel (11) and the conducting ring (10).
5. The grinding equipment for overhauling the contact of the disconnecting link switch of the transformer substation according to claim 3, characterized in that: the one-way liquid outlet pipe (17) is positioned in the auxiliary groove (19), and the one-way liquid outlet pipe (17) penetrates through the moving ring (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011308326.2A CN112476150A (en) | 2020-11-19 | 2020-11-19 | Transformer substation's knife switch contact overhauls uses equipment of polishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011308326.2A CN112476150A (en) | 2020-11-19 | 2020-11-19 | Transformer substation's knife switch contact overhauls uses equipment of polishing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112476150A true CN112476150A (en) | 2021-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011308326.2A Withdrawn CN112476150A (en) | 2020-11-19 | 2020-11-19 | Transformer substation's knife switch contact overhauls uses equipment of polishing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112476150A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137336A (en) * | 2021-11-16 | 2022-03-04 | 江西伟德智能电气有限公司 | Safety performance detection device of power distribution cabinet |
| CN117226671A (en) * | 2023-10-13 | 2023-12-15 | 浙江晋椿精密工业股份有限公司 | Polishing device and method for removing oxide skin of steel coil |
| CN117620840A (en) * | 2024-01-26 | 2024-03-01 | 江苏盐发机械有限公司 | Machining device for cold forging die of star sleeve |
| CN118310494A (en) * | 2024-06-11 | 2024-07-09 | 中国水利水电第十工程局有限公司 | Auxiliary fixture for measuring step sideline of waste stone field |
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| CN211644144U (en) * | 2020-01-02 | 2020-10-09 | 阜阳三环电力器材有限公司 | Winding device for wire processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137336A (en) * | 2021-11-16 | 2022-03-04 | 江西伟德智能电气有限公司 | Safety performance detection device of power distribution cabinet |
| CN117226671A (en) * | 2023-10-13 | 2023-12-15 | 浙江晋椿精密工业股份有限公司 | Polishing device and method for removing oxide skin of steel coil |
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| CN117620840A (en) * | 2024-01-26 | 2024-03-01 | 江苏盐发机械有限公司 | Machining device for cold forging die of star sleeve |
| CN117620840B (en) * | 2024-01-26 | 2024-04-02 | 江苏盐发机械有限公司 | Machining device for cold forging die of star sleeve |
| CN118310494A (en) * | 2024-06-11 | 2024-07-09 | 中国水利水电第十工程局有限公司 | Auxiliary fixture for measuring step sideline of waste stone field |
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Application publication date: 20210312 |