CN2591739Y - Transmission device of combined type on-load tap-changer - Google Patents

Transmission device of combined type on-load tap-changer Download PDF

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Publication number
CN2591739Y
CN2591739Y CN 02258853 CN02258853U CN2591739Y CN 2591739 Y CN2591739 Y CN 2591739Y CN 02258853 CN02258853 CN 02258853 CN 02258853 U CN02258853 U CN 02258853U CN 2591739 Y CN2591739 Y CN 2591739Y
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CN
China
Prior art keywords
gear
support
main shaft
sheave
motor
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Expired - Lifetime
Application number
CN 02258853
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Chinese (zh)
Inventor
黄浩
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Individual
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Individual
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Publication date
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Priority to CN 02258853 priority Critical patent/CN2591739Y/en
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Publication of CN2591739Y publication Critical patent/CN2591739Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a combined type has transmission of on-load tap-changer, including installing the rotating main shaft at the frame center, install a plurality of moving contacts on the rotating main shaft, the sheave is installed to the end of rotating main shaft, the frame top is fixed with the mounting panel, vertically install the motor on the mounting panel, the motor passes through decelerator and drives the gear of keeping flat, the gear passes through the bearing housing and vertically installs in the instantaneous pivot on the frame, the turning arm is installed to the upper end of instantaneous pivot, be connected with the extension spring on the turning arm, the gear passes through the turning arm and drives instantaneous pivot rotation, eccentric groove shifting piece is installed to the lower part of instantaneous pivot, eccentric groove shifting piece stirs the sheave, make the moving contact on the rotating main shaft switch to adjacent tapping position from.

Description

The transmission device of combined type on load tap changer
Technical field
The utility model relates to a kind of combined type on load tap changer.
Background technology
In the prior art, the transmission device of combined type on load tap changer is under the condition of switch at on-load, and the tap change operation of switch changes the tap position of transformer, to reach the purpose of adjusting the line voltage distribution master.Yet, transmission structures complexity, the poor reliability of present combined type on load tap changer, the action component of operating mechanism and connecting part failure rate height, maintenance difficult, useful life lack.
Summary of the invention
The purpose of this utility model is: a kind of transmission device of combined type on load tap changer is provided, and this apparatus structure is simple, good reliability, easy to maintenance, long service life.
The technical solution of the utility model is: a kind of transmission device of combined type on load tap changer, comprise the rotary main shaft that is installed in the support center, rotary main shaft is equipped with some to moving contact in the position that is positioned at below the support, described rotary main shaft is equipped with sheave in the termination that is positioned at more than the support, the support upper fixed has mounting panel, motor vertically is installed on the mounting panel, motor drives the gear that keeps flat by deceleration device, gear by bearing holder (housing, cover) in the wink rotating shaft that vertically is installed on the support, the upper end of wink rotating shaft is equipped with connecting lever, be connected with extension spring on the connecting lever, the bottom of wink rotating shaft is equipped with eccentric slot poking ware, the dome at its rear portion and the engagement of the concave arc on the sheave when eccentric slot poking ware rotates, anterior eccentric shaft and the engagement of the allocating slot on the sheave, the last plane of gear is provided with pin, and pin drives connecting lever and rotates.
The further technical scheme of the utility model is: a kind of transmission device of combined type on load tap changer, comprise the rotary main shaft that is installed in the support center, rotary main shaft is equipped with some to moving contact in the position that is positioned at below the support, described rotary main shaft is equipped with sheave in the termination that is positioned at more than the support, the support upper fixed has mounting panel, motor vertically is installed on the mounting panel, motor drives the gear that keeps flat by deceleration device, gear by bearing holder (housing, cover) in the wink rotating shaft that vertically is installed on the support, the upper end of wink rotating shaft is equipped with connecting lever, be connected with extension spring on the connecting lever, the bottom of wink rotating shaft is equipped with eccentric slot poking ware, the dome at its rear portion and the engagement of the concave arc on the sheave when eccentric slot poking ware rotates, anterior eccentric shaft and the engagement of the allocating slot on the sheave, the last plane of gear is provided with pin, and pin drives connecting lever and rotates; Described deceleration device comprises that the worm screw that is installed on the motor output shaft and level are installed in the worm screw on the support, and the worm engaging on worm gear and the motor output shaft is installed on the worm screw, worm screw then with gears engaged.
The utility model has the advantages that:
1. the utility model drives the rotation of sheave gap by rotating eccentric slot poking ware, thereby makes the moving contact that is installed on the rotary main shaft switch to another tap position from a tap position, simple in structure, reliable operation.
2. eccentric slot poking ware of the present utility model drives the wink rotating shaft and rotates after being slowed down by the two-stage worm and gear by motor, and the wink rotating shaft makes sheave realize that the gap rotates by turning axle, extension spring and eccentric slot poking ware, design ingeniously, and action is reasonable.
Description of drawings
The utility model will be further described below in conjunction with drawings and Examples:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the mesh schematic representation of eccentric slot poking ware and sheave;
Wherein: 1 support; 2 rotary main shafts; 3 moving contacts; 4 sheaves; 5 mounting panels; 6 motors; 7 gears; The rotating shaft of 8 winks; 9 connecting levers; 10 extension springs; 11 eccentric slot poking wares; 12 domes; 13 concave arcs; 14 eccentric shafts; 15 pins; 16 worm screws; 17 worm screws; 18 worm gears; 19 allocating slots.
Embodiment
Embodiment: as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, a kind of transmission device of combined type on load tap changer, comprise the rotary main shaft (2) that is installed in support (1) center, rotary main shaft (2) is equipped with some to moving contact (3) in the position that is positioned at below the support (1), described rotary main shaft (2) is equipped with sheave (4) in the termination that is positioned at more than the support (1), support (1) upper fixed has mounting panel (5), motor (6) vertically is installed on the mounting panel (5), motor (6) drives the gear (7) that keeps flat by deceleration device, gear (7) by bearing holder (housing, cover) in the wink rotating shaft (8) that vertically is installed on the support (1), the upper end of wink rotating shaft (8) is equipped with connecting lever (9), be connected with extension spring (10) on the connecting lever (9), the bottom of wink rotating shaft (8) is equipped with eccentric slot poking ware (11), the dome (12) at its rear portion and the engagement of the concave arc (13) on the sheave (4) when eccentric slot poking ware (11) rotates, anterior eccentric shaft (14) and the engagement of the allocating slot (19) on the sheave (4), the last plane of gear (7) is provided with pin (15), and pin (15) drives connecting lever (9) and rotates; Described deceleration device comprises that the worm screw (16) that is installed on motor (6) output shaft and level are installed in the worm screw (17) on the support (1), worm screw (16) engagement on worm gear (18) and motor (6) output shaft is installed on the worm screw (17), and worm screw (17) then meshes with gear (7).
During work, motor (6) obtains the instruction back from matching used controller and rotates, slow down through the two-stage worm and gear, driven gear (7) rotates, pin (15) on the gear (7) promotes connecting lever (9) and rotates, make extension spring (10) energy storage that progressively stretches, discharge turn over the dead point of extension spring (10) when connecting lever (9) after, driving slot poking ware (11) by wink rotating shaft (8) rotates, slot poking ware (11) stirs sheave (4) and rotary main shaft (2) turns over a five equilibrium, makes the moving contact (3) on the rotary main shaft (2) switch to adjacent tap position from a tap position.

Claims (2)

1. the transmission device of a combined type on load tap changer, comprise the rotary main shaft (2) that is installed in support (1) center, rotary main shaft (2) is equipped with some to moving contact (3) in the position that is positioned at below the support (1), it is characterized in that: described rotary main shaft (2) is equipped with sheave (4) in the termination that is positioned at more than the support (1), support (1) upper fixed has mounting panel (5), motor (6) vertically is installed on the mounting panel (5), motor (6) drives the gear (7) that keeps flat by deceleration device, gear (7) by bearing holder (housing, cover) in the wink rotating shaft (8) that vertically is installed on the support (1), the upper end of wink rotating shaft (8) is equipped with connecting lever (9), be connected with extension spring (10) on the connecting lever (9), the bottom of wink rotating shaft (8) is equipped with eccentric slot poking ware (11), the dome (12) at its rear portion and the engagement of the concave arc (13) on the sheave (4) when eccentric slot poking ware (11) rotates, anterior eccentric shaft (14) and the engagement of the allocating slot (19) on the sheave (4), the last plane of gear (7) is provided with pin (15), and pin (15) drives connecting lever (9) and rotates.
2. the transmission device of combined type on load tap changer according to claim 1, it is characterized in that: described deceleration device comprises that the worm screw (16) that is installed on motor (6) output shaft and level are installed in the worm screw (17) on the support (1), worm screw (16) engagement on worm gear (18) and motor (6) output shaft is installed on the worm screw (17), and worm screw (17) then meshes with gear (7).
CN 02258853 2002-12-13 2002-12-13 Transmission device of combined type on-load tap-changer Expired - Lifetime CN2591739Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 02258853 CN2591739Y (en) 2002-12-13 2002-12-13 Transmission device of combined type on-load tap-changer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 02258853 CN2591739Y (en) 2002-12-13 2002-12-13 Transmission device of combined type on-load tap-changer

Publications (1)

Publication Number Publication Date
CN2591739Y true CN2591739Y (en) 2003-12-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 02258853 Expired - Lifetime CN2591739Y (en) 2002-12-13 2002-12-13 Transmission device of combined type on-load tap-changer

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CN (1) CN2591739Y (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101699592B (en) * 2009-09-30 2011-12-21 贵州长征电力设备有限公司 Main current carrying contact system
CN101409148B (en) * 2008-06-24 2012-03-14 上海华明电力设备制造有限公司 Internal groove wheel drive mechanism in on-load tap-changer
CN104934257A (en) * 2015-07-19 2015-09-23 上海华明电力设备制造有限公司 Vacuum inductive on-load tap-changer
CN106158447A (en) * 2016-08-22 2016-11-23 武汉泰普变压器开关有限公司 A kind of self-locking sheave structure of shunting switch
CN106158446A (en) * 2016-08-22 2016-11-23 武汉泰普变压器开关有限公司 A kind of sheave structure of shunting switch
CN115719684A (en) * 2022-11-21 2023-02-28 上海交通大学 Core and oil chamber structure of change-over switch
CN116057657A (en) * 2020-10-21 2023-05-02 日立能源瑞士股份公司 A switching system for an on-load tap-changer, an on-load tap-changer and a method of tap connection for switching an on-load tap-changer

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101409148B (en) * 2008-06-24 2012-03-14 上海华明电力设备制造有限公司 Internal groove wheel drive mechanism in on-load tap-changer
CN101699592B (en) * 2009-09-30 2011-12-21 贵州长征电力设备有限公司 Main current carrying contact system
CN104934257A (en) * 2015-07-19 2015-09-23 上海华明电力设备制造有限公司 Vacuum inductive on-load tap-changer
CN106158447A (en) * 2016-08-22 2016-11-23 武汉泰普变压器开关有限公司 A kind of self-locking sheave structure of shunting switch
CN106158446A (en) * 2016-08-22 2016-11-23 武汉泰普变压器开关有限公司 A kind of sheave structure of shunting switch
CN106158446B (en) * 2016-08-22 2018-10-23 武汉泰普变压器开关有限公司 A kind of sheave structure of tap switch
CN116057657A (en) * 2020-10-21 2023-05-02 日立能源瑞士股份公司 A switching system for an on-load tap-changer, an on-load tap-changer and a method of tap connection for switching an on-load tap-changer
CN116057657B (en) * 2020-10-21 2024-03-08 日立能源有限公司 Switching system for an on-load tap-changer, an on-load tap-changer and a method for switching a tap connection of an on-load tap-changer
US12033825B2 (en) 2020-10-21 2024-07-09 Hitachi Energy Ltd Switching system for an on-load tap changer, on-load tap changer and method for switching a tap connection of an on-load tap changer
CN115719684A (en) * 2022-11-21 2023-02-28 上海交通大学 Core and oil chamber structure of change-over switch
CN115719684B (en) * 2022-11-21 2026-01-30 上海交通大学 A core and oil chamber structure of a switching switch

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CX01 Expiry of patent term

Expiration termination date: 20121213

Granted publication date: 20031210