CN210778391U

CN210778391U - Linkage shaft for circuit breaker and linkage structure thereof

Info

Publication number: CN210778391U
Application number: CN201921859475.0U
Authority: CN
Inventors: 赵攀; 王建春; 王松; 马锋
Original assignee: Zhengzhou Xunda Electric Co Ltd
Current assignee: Zhengzhou Xunda Electric Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-16
Anticipated expiration: 2029-10-31

Abstract

The utility model relates to a linkage shaft for a circuit breaker and a linkage structure thereof, the linkage shaft sequentially comprises a basic shaft, a first broken shaft and a second broken shaft from left to right, an extension plate extends from the bottom of the first broken shaft to the right side, the first broken shaft and the second broken shaft are respectively fixed on the extension plate through a first fixed ring and a second fixed ring, a first pin hole positioned at the left side and a driving long hole positioned at the middle part are arranged on the basic shaft, a second pin hole positioned at the left side and a third pin hole positioned at the right side are arranged on the first broken shaft, a fourth pin hole positioned at the right side is arranged on the second broken shaft, the linkage structure comprises a linkage shaft, a driving plate, two separating brake springs and three guide frames fixed at the upper ends, the relative positions of the first broken shaft and the second broken shaft with the basic shaft can be adjusted, and the initial positions of the three pulling plates in the linkage structure can be respectively adjusted, thereby being capable of changing the limit position of the pulling plate upwards or downwards.

Description

Linkage shaft for circuit breaker and linkage structure thereof

Technical Field

The utility model relates to a technical field of mutual-inductor, in particular to universal driving shaft for circuit breaker and linkage structure thereof.

Background

When a user accesses a three-phase alternating-current high-voltage electric connector, a high-voltage vacuum circuit breaker must be assembled, the existing high-voltage vacuum circuit breaker usually adopts a linkage shaft to simultaneously control the on-off of a three-phase circuit, the stroke of insulating pull rods in three circuit breakers meets the requirement of the current circuit, the adjustment by adopting the existing linkage shaft is very inconvenient, and the stroke of the three insulating pull rods can be simultaneously changed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a universal driving shaft for circuit breaker and linkage structure thereof.

The technical scheme of the utility model is that:

the utility model provides a universal driving shaft for circuit breaker, from left to right includes basic axle, first disconnected axle and the disconnected axle of second in proper order, the bottom of first disconnected axle stretches out to the right side has the extension plate, first disconnected axle with the disconnected axle of second is fixed on the extension plate through first retainer plate and second retainer plate respectively, first disconnected axle with the below of the disconnected axle of second is equipped with tooth under the rectangle, the top of extension plate is equipped with tooth on the tooth complex rectangle under with the rectangle, basic epaxial being equipped with is located left first pinhole, is located the drive slot hole at middle part, first disconnected epaxial being equipped with is located left second pinhole, is located the third pinhole on right side, the second is equipped with the fourth pinhole that is located the right side on the disconnected axle.

Preferably, a threaded hole is formed in the left side of the basic shaft, and a round shaft extending upwards is fixed above the first broken shaft.

Preferably, gaps are arranged between the basic shaft and the first broken shaft and between the first broken shaft and the second broken shaft.

Preferably, the first fixing ring and the second fixing ring are both rectangular structures, a tightening bolt is connected below the first fixing ring, and two tightening bolts are connected below the second fixing ring.

The utility model provides a linkage structure for circuit breaker, includes foretell universal driving shaft, still includes a drive plate, two separating brake springs and the fixed guide frame in three upper end, the guide frame is right side open-ended slot configuration, the below of guide frame is two traction plates, be equipped with on the traction plate and pull the slot hole, first pinhole the second pinhole the fourth pinhole has all penetrated the traction pin axle, and is three the both ends of traction pin axle all articulate the inside arm-tie that stretches into the corresponding guide frame, the drive slot hole articulates through the drive pin axle has the drive plate, the third pinhole articulates there is the sleeve pipe, the intraductal hanging spring axle that has worn of sleeve, the both ends of separating brake spring are connected with the hanging spring board, be located left hanging spring board with the both ends of hanging spring axle are articulated, the both ends of hanging spring axle stretch out the hanging spring board and wear to be located the split pin in the hanging spring board outside.

The utility model has the advantages that:

the utility model discloses a universal driving shaft includes basic axle, first disconnected axle and the disconnected axle of second, and first disconnected axle and the disconnected axle of second are fixed on the extension plate of basic axle through first retainer plate and second retainer plate respectively, and the relative position with the basic axle can be adjusted to the disconnected axle of first disconnected axle and second, and the disconnected axle of first disconnected axle and second still passes through the tooth cooperation with the extension plate, prevents to produce relative slip.

The utility model discloses an among the linkage structure, the initial position of three arm-tie can be adjusted respectively, and then can change the arm-tie upwards or decurrent extreme position.

Drawings

FIG. 1 is a schematic front view of a linkage shaft;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a left side view of the linkage shaft;

FIG. 4 is a schematic view of the linkage structure;

FIG. 5 is a schematic top view of the linkage structure;

in the figure: 1. a linkage shaft; 1-1, a base shaft; 1-11, a first pin hole; 1-12, driving the long hole; 1-13, extension plate; 1-14, a threaded hole; 1-2, a first broken shaft; 1-21, a second pin hole; 1-22, a third pin hole; 1-23, round shaft; 1-3, second broken shaft; 1-31, a fourth pin hole; 1-4, a first fixed ring; 1-5, a second fixed ring; 1-6, tightening the bolt; 2. a guide frame; 2-1, drawing the long hole; 3. pulling a plate; 4. a sleeve; 5. a spring hanging shaft; 6. a retainer ring; 7. a brake separating spring; 7-1, hanging spring pieces; 8. a drive plate.

Detailed Description

The specific implementation mode of the utility model is shown in figures 1-5:

the technical scheme of the utility model is that:

the utility model provides a universal driving shaft for circuit breaker, from left to right includes basic axle, first disconnected axle and second disconnected axle in proper order, the bottom of first disconnected axle stretches out to the right side has the extension plate, first disconnected axle with the second disconnected axle is fixed on the extension plate through first retainer plate and second retainer plate respectively, first disconnected axle with the below of second disconnected axle is equipped with tooth under the rectangle, the top of extension plate is equipped with tooth on the rectangle with tooth complex under the rectangle, be equipped with on the basic axle and be located left first pinhole, be located the drive slot hole at middle part, be equipped with on the first disconnected axle and be located left second pinhole, be located the third pinhole on right side, be equipped with the fourth pinhole on right side on the second disconnected axle, the left side of basic axle is equipped with the screw hole, the top of first disconnected axle is fixed with the round axle that upwards stretches out, the basic axle with between the first disconnected axle, The first broken shaft and the second broken shaft are provided with gaps, the first fixing ring and the second fixing ring are of rectangular structures, a puller bolt is connected below the first fixing ring, and two puller bolts are connected below the second fixing ring.

Claims

1. A universal driving shaft for a circuit breaker is characterized in that: from left to right include basic axle, first disconnected axle and the disconnected axle of second in proper order, the bottom of first disconnected axle stretches out to the right side has the extension plate, first disconnected axle with the disconnected axle of second is fixed on the extension plate through first retainer plate and second retainer plate respectively, first disconnected axle with the below of the disconnected axle of second is equipped with tooth under the rectangle, the top of extension plate is equipped with tooth on the tooth complex rectangle under with the rectangle, the epaxial drive slot hole that is located left first pinhole, is located the middle part of being equipped with of basis, first disconnected epaxial third pinhole that is located left second pinhole, is located the right side that is equipped with of first disconnected, the disconnected epaxial fourth pinhole that is located the right side that is equipped with of second.

2. The linkage shaft for a circuit breaker according to claim 1, wherein: the left side of basic axle is equipped with the screw hole, the top of first disconnected axle is fixed with the round axle that upwards stretches out.

3. The linkage shaft for circuit breakers of claim 2, wherein: gaps are arranged between the basic shaft and the first broken shaft and between the first broken shaft and the second broken shaft.

4. The linkage shaft for circuit breakers of claim 3, wherein: the first fixing ring and the second fixing ring are both of rectangular structures, a puller bolt is connected below the first fixing ring, and two puller bolts are connected below the second fixing ring.

5. A linkage structure for a circuit breaker, comprising the linkage shaft of claim 4, wherein: still include a drive plate, two separating brake springs and the fixed guide frame in three upper end, the guide frame is right side open-ended slot configuration, the below of guide frame is two traction plates, be equipped with on the traction plate and pull the slot hole, first pinhole the second pinhole the fourth pinhole has all penetrated and has pulled the round pin axle, and is three the both ends of pulling the round pin axle all articulate there is the arm-tie that stretches into the inside guide frame that corresponds, the drive slot hole articulates through drive pin axle has the drive plate, the third pinhole articulates there is the sleeve pipe, the spring axle has been worn to the cover intraductal string, the both ends of separating brake spring are connected with the spring board, be located left spring board with the both ends of spring axle are articulated, the both ends of spring axle stretch out the spring board and wear to have the split pin that is located the spring board outside.