CN113206472A

CN113206472A - Operating device installs miniaturized high voltage distribution cabinet on median septum

Info

Publication number: CN113206472A
Application number: CN202110584203.XA
Authority: CN
Inventors: 杨成华; 刘占齐
Original assignee: Jiangsu Shenyi Electric Co ltd
Current assignee: Jiangsu Shenyi Electric Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-08-03

Abstract

The invention discloses a miniaturized high-voltage power distribution cabinet with an operating mechanism installed on a middle partition plate, which comprises a switch cabinet shell, wherein a grounding switch is fixed in the switch cabinet shell, the grounding switch, a zinc oxide arrester, a breaker switch and the middle partition plate are fixedly installed in the switch cabinet shell, and the operating mechanism is installed on the middle partition plate; operating device is including installing the operating device support at the median septum rear side, operating device support inboard is rotated and is installed ground connection steering spindle and isolation steering spindle, and the fixed cover of one end of keeping apart steering spindle has connect the isolation turning arm, and the fixed cover that has gone up of ground connection steering spindle has connected the inboard ground connection turning arm that is located operating device support, one side of operating device support is still slidable mounting has limit slider, and one side of limit slider is fixed with the slide, and one side of slide is fixed with the slip handle. The invention reduces the manufacturing cost, is reliable to use, does not need to regularly adjust the flexibility of the operating mechanism and the interlocking mechanism, and has high sensitivity.

Description

Operating device installs miniaturized high voltage distribution cabinet on median septum

Technical Field

The invention relates to the technical field of distribution equipment, in particular to a miniaturized high-voltage distribution cabinet with an operating mechanism arranged on a middle partition plate.

Background

In a low-voltage drawer type power distribution cabinet, reliable interlocking protection must be realized for electrical elements such as a drawer unit, a cabinet body and a circuit breaker in the unit so as to ensure equipment elements and personal safety. The existing circuit breaker operating mechanism and drawer interlocking mechanism of the drawer of the low-voltage power distribution cabinet are split, the structure is large in size, the space utilization rate in the drawer is reduced, the large drawer and the small drawer cannot be used universally, interchangeability is poor, in addition, the split structure is complex to assemble, the requirement on manufacturing precision is high, and therefore manufacturing cost is improved, the split structure is unreliable in use, and the flexibility of the operating mechanism and the interlocking mechanism needs to be adjusted regularly.

The middle partition board is additionally provided with an operating mechanism 550, and the small medium-voltage switch cabinet is a novel process and a novel structure. The advanced process design form has the advantages of complete functions, flexible and simple operation, strong safety performance, small volume, low manufacturing cost (the manufacturing cost can be more than 30 percent of that of similar products) and the like.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides the miniaturized high-voltage power distribution cabinet with the operating mechanism arranged on the middle partition plate, which has the advantages of reduced manufacturing cost, reliable use and no need of periodically adjusting the flexibility of the operating mechanism and the interlocking mechanism.

In order to achieve the purpose, the invention adopts the following technical scheme:

a miniaturized high-voltage power distribution cabinet with an operating mechanism installed on a middle partition plate comprises a switch cabinet shell, wherein a grounding switch is fixed in the switch cabinet shell, the grounding switch, a zinc oxide arrester, a breaker switch and the middle partition plate are fixedly installed in the switch cabinet shell, and the operating mechanism is installed on the middle partition plate;

operating device is including installing the operating device support at the median septum rear side, operating device support inboard is rotated and is installed ground connection steering spindle and isolation steering spindle, and the fixed cover of one end of keeping apart steering spindle has connect the isolation turning arm, and the fixed cover that has gone up of ground connection steering spindle has connected the inboard ground connection turning arm that is located operating device support, one side of operating device support is still slidable mounting has limit slider, and one side of limit slider is fixed with the slide, and one side of slide is fixed with the slip handle.

Preferably, a plurality of mounting holes are formed in the operating mechanism support at equal intervals.

Preferably, the ground connection operation shaft and the isolation operation shaft are fixedly sleeved with limit blocks, and the limit blocks are respectively located on the upper side and the lower side of the limit slide block.

Preferably, one side of the operating mechanism bracket is provided with a through groove for the sliding of the limiting slide block and an adjusting groove for the sliding of the pipe sliding handle.

Preferably, the switch cabinet shell is further fixed with a cable wiring end located at the rear side of the grounding switch, a current transformer fixed at the front side of the circuit breaker switch, a switch connecting plate connected with the circuit breaker switch, a main bus copper bar installed at the upper end inside the switch cabinet shell and an isolating switch connected with the main bus copper bar.

The invention has the beneficial effects that:

the invention 1, through the sliding handle moving along the adjusting groove, the sliding plate drives the limiting slide block to move along the sliding through groove, and due to the arrangement of the limiting block, the limiting block can independently rotate the isolation control shaft, so as to drive the isolation connecting lever and the grounding connecting lever on the isolation control shaft and the grounding control shaft to rotate according to different directions, thereby achieving the effect of high flexibility;

2, the isolation control shaft and the grounding control shaft rotate in different directions and are matched with the isolation connecting lever and the grounding connecting lever to rapidly realize the switching of different functions.

Drawings

Fig. 1 is a schematic structural diagram of a miniaturized high-voltage distribution cabinet with an operating mechanism installed on a middle partition plate according to the present invention.

Fig. 2 is a schematic structural view of the back surface of a miniaturized high-voltage distribution cabinet with an operating mechanism installed on a middle partition plate according to the present invention.

Fig. 3 is a left side view of a miniaturized high voltage distribution cabinet according to the present invention, with an operating mechanism mounted on the middle partition.

Fig. 4 is a right side view of a miniaturized high voltage distribution cabinet according to the present invention, with an operating mechanism mounted on the middle partition.

Fig. 5 is a schematic structural view of the operating mechanism of the present invention.

Fig. 6 is a front view of the operating mechanism of the present invention.

Fig. 7 is a rear view of the operating mechanism of the present invention.

Fig. 8 is a top view of the operating mechanism of the present invention.

Fig. 9 is a left side view of the operating mechanism of the present invention.

Fig. 10 is a right side view of the operating mechanism of the present invention.

Reference numbers in the figures: 1 switch cabinet shell, 2 operating device, 3 earthing switch, 4 circuit breaker switch, 5 median septum, 6 zinc oxide arrester, 7 cable terminal, 8 current transformer, 9 switch connecting plate, 10 isolator, 11 main bus copper bar, 201 operating device support, 203 ground connection control shaft, 204 ground connection turning arm, 205 slide, 206 sliding handle, 207 stopper, 208 stopper slider, 209 mounting hole, 210 isolation turning arm, 211 isolation control shaft.

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.

Referring to fig. 1-10, a miniaturized high voltage power distribution cabinet with an operating mechanism installed on a middle partition board comprises a switch cabinet shell 1, wherein a grounding switch 3 is fixed in the switch cabinet shell 1, the grounding switch 3, a zinc oxide arrester 6, a breaker switch 4 and the middle partition board 5 are fixedly installed in the switch cabinet shell 1, and the operating mechanism 2 is installed on the middle partition board 5;

the operating mechanism 2 comprises an operating mechanism support 201 installed on the rear side of the middle partition plate 5, a grounding operating shaft 203 and an isolation operating shaft 211 are installed on the inner side of the operating mechanism support 201 in a rotating mode, an isolation connecting lever 210 is fixedly sleeved at one end of the isolation operating shaft 211, a grounding connecting lever 204 located on the inner side of the operating mechanism support 201 is fixedly sleeved on the grounding operating shaft 203, a limiting slide block 208 is further installed on one side of the operating mechanism support 201 in a sliding mode, a sliding plate 205 is fixed on one side of the limiting slide block 208, and a sliding handle 206 is fixed on one side of the sliding plate 205.

The working principle is as follows: the current median septum installs operating device additional and can not be general, interchangeability is poor, in addition, split type structure assembly is complicated, it is high to the manufacturing accuracy requirement, thereby manufacturing cost has been promoted, split type structure use is unreliable, need regularly to adjust operating device and interlocking device's flexibility ratio, and manufacturing cost is higher, in this embodiment, remove along the adjustment tank through slide handle 206, make slide 205 drive spacing slider 208 remove along the logical groove of sliding, because stopper 207's setting, stopper 207 can be independent messenger keep apart control shaft 211 and rotate, thereby drive keep apart connecting lever 210 and ground connection connecting lever 204 on control shaft 211 and the ground connection control shaft 203 and rotate according to the equidirectional not, in order to reach the high effect of high flexibility ratio.

In an alternative embodiment, the operating mechanism bracket 201 has a plurality of mounting holes 209 formed therein at equal intervals.

In an optional embodiment, the ground-engaging manipulating shaft 203 and the isolating manipulating shaft 211 are respectively sleeved with a limiting block 207, and the limiting blocks 207 are respectively located at upper and lower sides of the limiting slider 208.

In an alternative embodiment, a sliding through groove for the limit slider 208 and an adjusting groove for the pipe sliding handle 206 to slide are formed on one side of the operating mechanism bracket 201.

In an alternative embodiment, the switch cabinet housing 1 further fixes a cable terminal 7 located at the rear side of the earthing switch 3, a current transformer 8 fixed at the front side of the circuit breaker switch 4, a switch connecting plate 9 connected with the circuit breaker switch 4, a main bus bar copper bar 11 installed at the upper end inside the switch cabinet housing 1, and a disconnecting switch 10 connected with the main bus bar copper bar 11.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

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

1. A miniaturized high-voltage power distribution cabinet with an operating mechanism installed on a middle partition board, comprising a switchgear housing (1), characterized in that a grounding switch (3) is fixed in the switchgear housing (1) , a grounding switch (3), a zinc oxide arrester (6), a circuit breaker switch (4) and a middle partition (5) are fixedly installed inside the switch cabinet shell (1). An operating mechanism (2) is installed;

The operating mechanism (2) includes an operating mechanism bracket (201) installed on the rear side of the middle partition plate (5), and a grounding operating shaft (203) and an isolated operating shaft (211) are rotatably mounted on the inner side of the operating mechanism bracket (201). ), one end of the isolation control shaft (211) is fixedly sleeved with an isolation arm (210), and the grounding control shaft (203) is fixedly sleeved with a grounding arm (204) located inside the operating mechanism bracket (201), the said A limit slider (208) is also slidably installed on one side of the operating mechanism bracket (201), a slide plate (205) is fixed on one side of the limit slider (208), and a sliding handle (206) is fixed on one side of the slide plate (205). ).

2. A miniaturized high-voltage power distribution cabinet with an operating mechanism mounted on a middle partition board according to claim 1, wherein a plurality of mounting holes (209) are equidistantly provided on the operating mechanism bracket (201). ).

3. A miniaturized high-voltage power distribution cabinet with an operating mechanism installed on a middle partition board according to claim 1, characterized in that, the grounding control shaft (203) and the isolation control shaft (211) are both fixed with sleeves A limit block (207) is connected, and the limit block (207) is respectively located on the upper and lower sides of the limit slider (208).

4. A miniaturized high-voltage power distribution cabinet with an operating mechanism installed on a middle partition board according to claim 3, characterized in that a limit slider (201) is provided on one side of the operating mechanism bracket (201). 208) A sliding through groove and an adjustment groove for sliding the pipe sliding handle (206).

5. A miniaturized high-voltage power distribution cabinet with an operating mechanism installed on a middle partition board according to claim 1, characterized in that the switch cabinet shell (1) is also fixed with a device located behind the grounding switch (3) The cable terminal (7) on the side of the circuit breaker switch (4), the current transformer (8) fixed on the front side of the circuit breaker switch (4), and the switch connecting plate (9) connected with the circuit breaker switch (4), installed in the switch cabinet shell ( 1) The main busbar copper bar (11) at the inner upper end and the isolation switch (10) connected to the main busbar copper bar (11).