阅读说明：本技术 一种断路器联锁隔离开关 (Circuit breaker interlocking isolating switch ) 是由 郑逸扬 郑文秀 于 2020-06-22 设计创作，主要内容包括：本发明公开了一种断路器联锁隔离开关,包括：前安装板,所述前安装板的内侧相对平行设置有后安装板,所述前安装板与后安装板之间设置有输出轴,所述输出轴的右侧设置有合闸轴,其中,所述输出轴贯穿所述前安装板和后安装板,所述输出轴的前端设置有分合指示板,所述输出轴的后端设置有第一连接块,所述第一连接块的内侧设置有第二连接块,本发明占用空间小,可靠性高,安装方便,不会出现偏移,在没有电气联锁保护的情况下,能够实现隔离开关和断路器的联锁功能,安全性强。(The invention discloses a breaker interlocking isolating switch, comprising: the interlocking device comprises a front mounting plate, wherein the inner side of the front mounting plate is relatively provided with a rear mounting plate in parallel, an output shaft is arranged between the front mounting plate and the rear mounting plate, the right side of the output shaft is provided with a switching-on shaft, the output shaft penetrates through the front mounting plate and the rear mounting plate, the front end of the output shaft is provided with a switching-off indicating plate, the rear end of the output shaft is provided with a first connecting block, and the inner side of the first connecting block is provided with a second connecting block.)

1. A circuit breaker interlocking disconnector, comprising:

a rear mounting plate is arranged on the inner side of the front mounting plate in a relatively parallel manner, an output shaft is arranged between the front mounting plate and the rear mounting plate, a switching-on shaft is arranged on the right side of the output shaft,

wherein the output shaft penetrates through the front mounting plate and the rear mounting plate, the front end of the output shaft is provided with a split indicator plate, the rear end of the output shaft is provided with a first connecting block, the inner side of the first connecting block is provided with a second connecting block,

a knob is arranged at the front end of the switching-on shaft, a connecting lock pin is arranged on the right side of the rear end of the switching-on shaft, an interlocking lever is rotatably arranged between the interlocking lock pin and the first connecting block and corresponds to the rear mounting plate, the left end and the right end of the interlocking lever are respectively in contact connection with the interlocking lock pin and the first connecting block, a linkage plate is arranged on the left side of the rear end of the switching-on shaft, a connecting rod is rotatably arranged below the linkage plate and corresponds to the rear mounting plate, the top end of the connecting rod is in contact connection with the linkage plate, the bottom end of the connecting rod is hinged with a connecting plate, the connecting plate is transversely arranged at the bottom of the rear mounting plate, and the left end of the connecting plate is connected with the;

the buckle plate shaft is arranged between the switching-on shaft and the output shaft, a buckle plate is arranged on the buckle plate shaft, one end of the buckle plate is connected with the output shaft, and the other end of the buckle plate is connected with the switching-on shaft.

2. The interlocking isolating switch of the circuit breaker as recited in claim 1, wherein a second connecting plate is arranged on the outer wall of the top of the rear mounting plate through a connecting shaft, a first connecting block is hinged to the right end of the second connecting plate, a first connecting lever is movably hinged to the left end of the second connecting plate, the first connecting lever is hinged to a shielding plate shaft arranged at the top of the left side of the rear mounting plate, the outer end of the shielding plate shaft penetrates through the front mounting plate, a fastener is arranged at the end of the shielding plate shaft, and the fastener is connected with a shielding plate arranged on the outer side of the switching-on assembly.

3. The interlocking isolating switch of the circuit breaker as claimed in claim 1, wherein a notch is formed in an outer wall of the switching-on shaft, and a right end of the pinch plate is disposed in the notch.

4. The interlocking disconnector according to claim 1, wherein a limit post is disposed on the outer wall of the rear mounting plate corresponding to the left side of the switching-on shaft, and a trip plate is disposed on the inner side of the knob and corresponds to the limit post.

5. The circuit breaker interlocking isolating switch according to claim 1, wherein a second crank arm is arranged on the output shaft, rollers are arranged at two ends of the second crank arm, a fixed shaft is arranged on the left side of the output shaft, a limiting frame is arranged at the bottom of the fixed shaft, a placing groove is formed in the limiting frame, a pawl is arranged on the placing groove through a shaft body, a groove is formed in the upper surface of the right end of the pawl, the groove corresponds to the rollers, a torsion spring is arranged at the outer end of the shaft body, and the torsion spring is connected with the pawl.

6. The interlocking isolating switch of the circuit breaker as claimed in claim 1, wherein a second connecting block is hinged to a second connecting plate, the second connecting plate is hinged to a rocker arm, the rocker arm is arranged on the outer wall of the right side of the rear mounting plate through a connecting shaft, the right end of the rocker arm is connected with a shifting fork, and the shifting fork is connected with an auxiliary switch body arranged at the right end of the rear mounting plate.

The technical field is as follows:

the invention relates to the field of high-voltage switch equipment, in particular to a circuit breaker interlocking disconnecting switch.

Background art:

the switch cabinet concentrates medium-voltage elements such as a bus, a circuit breaker, a disconnecting switch and the like in a box body, and is widely used due to the characteristics of good safety, high reliability and strong adaptability. The isolation switch and the circuit breaker are used as core components of the switch cabinet, the control, protection, isolation and grounding functions of the switch cabinet are important, a perfect interlocking device must be arranged between the isolation switch and the circuit breaker to ensure the reliable operation of electrical equipment, the switch cabinet with the interlocking mechanism can only operate the isolation switch when the circuit breaker is opened, and the isolation switch cannot be operated when the circuit breaker is closed.

The interlocking device of the isolating switch and the circuit breaker of the existing switch cabinet is imperfect, a mechanical interlocking device is lacked, and under the condition of no electric interlocking protection, misoperation can be caused due to the lack of mechanical interlocking to generate safety accidents.

The invention content is as follows:

the technical problem to be solved by the invention is to provide the circuit breaker interlocking isolating switch with simple structure and strong reliability.

The technical problem to be solved by the invention is realized by adopting the following technical scheme: a circuit breaker interlocking disconnector, comprising:

a rear mounting plate is arranged on the inner side of the front mounting plate in a relatively parallel manner, an output shaft is arranged between the front mounting plate and the rear mounting plate, a switching-on shaft is arranged on the right side of the output shaft,

wherein the output shaft penetrates through the front mounting plate and the rear mounting plate, the front end of the output shaft is provided with a split indicator plate, the rear end of the output shaft is provided with a first connecting block, the inner side of the first connecting block is provided with a second connecting block,

a knob is arranged at the front end of the switching-on shaft, a connecting lock pin is arranged on the right side of the rear end of the switching-on shaft, an interlocking lever is rotatably arranged between the interlocking lock pin and the first connecting block and corresponds to the rear mounting plate, the left end and the right end of the interlocking lever are respectively in contact connection with the interlocking lock pin and the first connecting block, a linkage plate is arranged on the left side of the rear end of the switching-on shaft, a connecting rod is rotatably arranged below the linkage plate and corresponds to the rear mounting plate, the top end of the connecting rod is in contact connection with the linkage plate, the bottom end of the connecting rod is hinged with a connecting plate, the connecting plate is transversely arranged at the bottom of the rear mounting plate, and the left end of the connecting plate is connected with the;

the buckle plate shaft is arranged between the switching-on shaft and the output shaft, a buckle plate is arranged on the buckle plate shaft, one end of the buckle plate is connected with the output shaft, and the other end of the buckle plate is connected with the switching-on shaft.

Further, the top outer wall of back mounting panel is provided with the second through linking the axle and links the board, the right-hand member that the second links the board articulates there is first connecting block, the second links the left end activity of board and articulates there is first turning arm, first turning arm is in with the setting the sunshade axle at back mounting panel left side top is articulated, the outer end of sunshade axle is passed preceding mounting panel, and the tip is provided with the fastener, the fastener is in with the setting the sunshade in the closing assembly outside is connected.

Furthermore, a notch is formed in the outer wall of the closing shaft, and the right end of the pinch plate is arranged in the notch.

Furthermore, the outer wall of the rear mounting plate corresponds to the left side of the brake closing shaft and is provided with a limiting post, the inner side of the knob is provided with a tripping plate, and the tripping plate corresponds to the position of the limiting post.

Further, be provided with the second turning arm on the output shaft, the both ends of second turning arm are provided with the gyro wheel, the left side of output shaft is provided with the fixed axle, the bottom of fixed axle is provided with spacing, spacing interior division of having seted up the standing groove, the standing groove is provided with the pawl through the axis body, the right-hand member upper surface of pawl is provided with the recess, the recess with the gyro wheel is corresponding, the outer end of axis body is provided with the torsional spring, the torsional spring with the pawl is connected.

Further, it has the second even board to articulate on the second connecting block, the second is even board and rocking arm articulated, the rocking arm passes through the connecting axle setting and is in back mounting panel right side outer wall, the right-hand member shift fork of rocking arm is connected, the shift fork is in with the setting this body coupling of auxiliary switch of back mounting panel right-hand member.

The invention has the beneficial effects that: the invention has the advantages of small occupied space, high reliability, convenient installation, no offset, realization of the interlocking function of the disconnecting switch and the circuit breaker under the condition of no electric interlocking protection and strong safety.

Description of the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic structural view between the front mounting plate and the rear mounting plate of the present invention;

FIG. 4 is a schematic structural view of a stop bracket according to the present invention;

FIG. 5 is a schematic view of the output shaft of the present invention;

FIG. 6 is a schematic view of the construction of the gusset of the present invention;

reference numbers in the figures: 10. a front mounting plate; 11. a limiting column; 20. a closing assembly; 30. a knob; 31. a releasing plate; 32. a switching-on shaft; 321. a notch; 33. a lock pin is connected; 34. an interlock plate; 35. an interlock lever; 36. a connecting rod; 37. a connecting plate; 40. a split indicator board; 41. a shutter shaft; 42. a fastener; 43. a first crank arm; 44. a limiting shaft; 45. a second connecting plate; 46. a rear mounting plate; 47. a connecting shaft; 48. an output shaft; 481. a first connection block; 482. a second connecting block; 483. a card slot; 484. a convex strip; 485. a limiting groove; 49. a second crank arm; 491. a roller; 50. a connecting shaft; 51. a rocker arm; 52. a second connecting plate; 53. a shifting fork; 60. an auxiliary switch body; 70. a buckle shaft; 71. buckling the plate; 711. a fastener; 712. a circular hole; 80. a fixed shaft; 81. a limiting frame; 82. a placement groove; 83. a pawl; 831. a groove; 84. a shaft body; 85. a torsion spring.

The specific implementation mode is as follows:

in order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.

It will be understood that when an element is referred to as being "secured to" another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.