CN209895935U - Chain transmission dry-type on-load switch - Google Patents
Chain transmission dry-type on-load switch Download PDFInfo
- Publication number
- CN209895935U CN209895935U CN201921132853.5U CN201921132853U CN209895935U CN 209895935 U CN209895935 U CN 209895935U CN 201921132853 U CN201921132853 U CN 201921132853U CN 209895935 U CN209895935 U CN 209895935U
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- chain
- wheel
- chain wheel
- motor
- cam
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- Expired - Fee Related
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Abstract
The utility model discloses a chain transmission dry-type on-load switch, which comprises a transmission system, wherein the transmission system comprises a motor system, a stepping device, a chain transmission device and a switch moving contact system; the motor rotates, the motor reducer and the output shaft drive the cam to rotate, the cam is meshed with the poking grooved wheel, and the grooved wheel is driven to rotate by a certain angle through the rotation of the cam; the grooved wheel and the first chain wheel are coaxially fixed, so that the first chain wheel also rotates along with the motor to drive the chain to form linear motion between the first chain wheel and the second chain wheel; and the linear motion of the chain drives the transmission rod of the switch moving contact system to move up and down, and finally the switch moving contact system is driven to move up and down on the switch static contact, so that the gear shifting action is completed.
Description
Technical Field
The utility model relates to an on-load tap-changer, a transmission system who has on-load tap-changer specifically says so.
Background
In recent years, dry-type transformers are better than oil-immersed transformers in reliability, safety, cleanness and environmental protection, so that more and more power is supplied to clients. The dry-type on-load transformer using the dry-type on-load switch can improve the power supply quality, reduce the loss and save the electric energy. The market for dry on-load tap changers is growing.
The existing transmission system of the on-load tap-changer adopts transmission parts such as gears, bevel gears, nuts, worms and the like driven by a motor, and has the advantages of complex structure, low reliability and higher cost.
Disclosure of Invention
In order to solve the technical problem, the utility model aims at providing a chain formula dry-type has load switch is applicable to the dry-type and has load transformer, and the switch structure is succinct more, and the operation is reliable, reduction in production cost has reduced the maintenance cost simultaneously. The specific technical scheme is as follows:
a chain transmission dry-type on-load switch comprises a transmission system, wherein the transmission system comprises a motor system, a stepping device, a chain transmission device and a switch moving contact system;
the motor system comprises a motor, a motor reducer, an output shaft and a cam;
the stepping device comprises a grooved wheel matched with the cam for use and a shaft head for fixing the grooved wheel;
the chain transmission device comprises a first chain wheel arranged on the shaft head, a second chain wheel used for fixing a chain and a chain, the first chain wheel and the second chain wheel are used in a matched mode in pairs, and the chain is wound on the first chain wheel and the second chain wheel; the switch moving contact system comprises a transmission rod, a plurality of moving contacts are arranged on the transmission rod, and the moving contacts correspond to fixed contacts at preset positions; the end part of the transmission rod is provided with a sliding sleeve part which slides on the sliding rod, and two ends of the sliding rod are fixed on the fixed seat on the mounting plate; one side of the sliding rod, which is close to the sliding sleeve part, is also provided with a rack corresponding to the chain in position, and the rack is meshed with the chain;
the motor rotates, the motor reducer and the output shaft drive the cam to rotate, the cam is meshed with the poking grooved wheel, and the grooved wheel is driven to rotate by a certain angle through the rotation of the cam; the grooved wheel and the first chain wheel are coaxially fixed, so that the first chain wheel also rotates along with the motor to drive the chain to form linear motion between the first chain wheel and the second chain wheel; and the linear motion of the chain drives the transmission rod of the switch moving contact system to move up and down, and finally the switch moving contact system is driven to move up and down on the switch static contact, so that the gear shifting action is completed.
All the components are arranged on the mounting plate on the same plane, and most of the components are positioned on the side of the switch, but the components are not limited to the side of the switch.
The utility model has the advantages that: the transmission is simplified and reliable, the processing technology is simple and convenient, and the manufacturing cost is saved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention is specifically described below with reference to the accompanying drawings, and as shown in the drawings, a chain drive dry type on-load switch includes a transmission system, where the transmission system includes a motor system 1, a stepping device 2, a chain drive device 3, and a switch moving contact system 5;
the motor system 1 comprises a motor 11, a motor reducer 12, an output shaft 13 and a cam 14;
the stepping device 2 comprises a sheave 21 matched with the cam 14 and a shaft head 22 for fixing the sheave;
the chain transmission device 3 comprises a first chain wheel 311 arranged on the shaft head 22, a second chain wheel 312 used for fixing a chain and a chain 32, wherein the first chain wheel 311 and the second chain wheel 312 are matched in pairs, and the chain 32 is wound on the first chain wheel 311 and the second chain wheel 312; the switch moving contact system 5 comprises a transmission rod 54, a plurality of moving contacts 53 are arranged on the transmission rod 54, and the moving contacts 53 correspond to fixed contacts at preset positions; the end part of the transmission rod 54 is provided with a sliding sleeve part 51, the sliding sleeve part 51 slides on the sliding rod 52, and two ends of the sliding rod 52 are fixed on the fixed seats on the mounting plate 4; a rack 55 corresponding to the chain 32 is further arranged on one side of the sliding rod 52 close to the sliding sleeve part, and the rack 55 is meshed with the chain 32;
the motor 11 rotates, the motor reducer 12 and the output shaft 13 drive the cam 14 to rotate, the cam 14 is meshed with the toggle grooved wheel 21, and the rotation of the cam 14 drives the grooved wheel 21 to rotate for a certain angle; the grooved pulley 21 and the first chain wheel 311 are coaxially fixed, so that the first chain wheel 311 also rotates along with the motor to drive the chain to form linear motion between the first chain wheel and the second chain wheel; and the linear motion of the chain drives the transmission rod 54 of the switch moving contact system 5 to move up and down, and finally the switch moving contact system is driven to move up and down on the switch static contact, so that the gear shifting action is completed.
All the parts are arranged on the same plane of the mounting plate 4.
Claims (2)
1. A chain drive dry-type on-load switch comprises a transmission system and is characterized in that: the transmission system comprises a motor system (1), a stepping device (2), a chain transmission device (3) and a switch moving contact system (5);
the motor system (1) comprises a motor (11), a motor reducer (12), an output shaft (13) and a cam (14);
the stepping device (2) comprises a grooved wheel (2.1) matched with the cam (14) and a shaft head (22) for fixing the grooved wheel;
the chain transmission device (3) comprises a first chain wheel (311) arranged on the shaft head (22), a second chain wheel (312) used for fixing a chain and a chain (32), the first chain wheel (311) and the second chain wheel (312) are matched in pairs, and the chain (3.2) is wound on the first chain wheel (3.11) and the second chain wheel (312); the switch moving contact system (5) comprises a transmission rod (54), a plurality of moving contacts (53) are arranged on the transmission rod (54), and the moving contacts (53) correspond to fixed contacts at preset positions; the end part of the transmission rod (54) is provided with a sliding sleeve part (51), the sliding sleeve part (51) slides on the sliding rod (52), and two ends of the sliding rod (52) are fixed on a fixed seat on the mounting plate (4); a rack (55) corresponding to the chain (32) is further arranged on one side, close to the sliding sleeve part, of the sliding rod (52), and the rack (55) is meshed with the chain (32);
the motor (11) rotates, the motor reducer (12) and the output shaft (13) drive the cam (14) to rotate, the cam (14) is meshed with the toggle grooved pulley (21), and the rotation of the cam (14) drives the grooved pulley (21) to rotate for a certain angle; the grooved pulley (21) and the first chain wheel (311) are coaxially fixed, so that the first chain wheel (311) also rotates along with the motor to drive the chain to form linear motion between the first chain wheel and the second chain wheel; and the linear motion of the chain drives a transmission rod (54) of the switch moving contact system (5) to move up and down, and finally the switch moving contact system is driven to move up and down on the switch static contact, so that the gear shifting action is completed.
2. The chain driven dry on-load switch of claim 1, wherein: all the parts are arranged on the mounting plate (4) on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921132853.5U CN209895935U (en) | 2019-07-18 | 2019-07-18 | Chain transmission dry-type on-load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921132853.5U CN209895935U (en) | 2019-07-18 | 2019-07-18 | Chain transmission dry-type on-load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209895935U true CN209895935U (en) | 2020-01-03 |
Family
ID=69021857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921132853.5U Expired - Fee Related CN209895935U (en) | 2019-07-18 | 2019-07-18 | Chain transmission dry-type on-load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209895935U (en) |
-
2019
- 2019-07-18 CN CN201921132853.5U patent/CN209895935U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200103 Termination date: 20200718 |