阅读说明：本技术 活门联锁机构开关柜 (Switch cabinet with valve interlocking mechanism ) 是由 李运良 张建珍 于 2019-08-19 设计创作，主要内容包括：本发明公开了一种活门联锁机构开关柜，包括柜体，设于柜体内的竖向隔板和横向隔板，所述竖向隔板和横向隔板将柜体分为母线室、仪表室、断路器室和电缆室；所述断路器室内设有活门联锁机构，所述活门联锁机构安装在柜体上。本发明的活门联锁机构保证活门的及时打开和关闭，不会出现活门卡滞的情况，保证了相关人员的安全，提高了产品的安全性；本发明结构简单，零部件少，容易加工；本发明的上活门和下活门打开或关闭的过程中活门连杆摆动平稳，稳定性强。(The invention discloses a switch cabinet with a valve interlocking mechanism, which comprises a cabinet body, and a vertical partition plate and a transverse partition plate which are arranged in the cabinet body, wherein the cabinet body is divided into a bus chamber, an instrument chamber, a breaker chamber and a cable chamber by the vertical partition plate and the transverse partition plate; the indoor valve interlocking mechanism is arranged in the circuit breaker chamber and is installed on the cabinet body. The valve interlocking mechanism ensures that the valve is opened and closed in time, the valve is not blocked, the safety of related personnel is ensured, and the safety of products is improved; the invention has simple structure, few parts and easy processing; the valve connecting rod swings stably and has strong stability in the process of opening or closing the upper valve and the lower valve.)

1. A valve interlocking mechanism switch cabinet is characterized by comprising a cabinet body (1), and a vertical partition plate (2) and a transverse partition plate (3) which are arranged in the cabinet body, wherein the cabinet body is divided into a bus chamber (4), an instrument chamber (5), a breaker chamber (6) and a cable chamber (7) by the vertical partition plate and the transverse partition plate; the indoor valve interlocking mechanism (8) is arranged in the circuit breaker chamber and comprises a left valve guide rail (81) and a right valve guide rail (82) which are arranged oppositely, an upper valve (83) and a lower valve (84) which are arranged between the left valve guide rail and the right valve guide rail, a plurality of valve connecting rods (85) which are respectively connected with the upper valve and the lower valve, a left axial guide rail (86), a right axial guide rail (87), a left connecting assembly (88) and a right connecting assembly (89) which are connected with the valve connecting rods, a left valve support (810) connected with the left connecting assembly, and a right valve support (811) connected with the right connecting assembly; the left axial guide rail is connected with the left valve guide rail, and the right axial guide rail is connected with the right valve guide rail; the left valve guide rail and the right valve guide rail are installed on the vertical partition plate, and the left valve support and the right valve support are installed on the cabinet body.

2. The shutter interlocking mechanism switch cabinet as claimed in claim 1, wherein the cabinet body comprises an upper cover plate (11), a lower base plate (12), a front panel, a rear panel (13), a left side plate (14) and a right side plate (15) connected with the upper cover plate and the lower base plate; the left valve support is arranged on the rear panel, and the right valve support is arranged on the front panel.

3. The shutter interlock mechanism switch cabinet according to claim 1, wherein the left and right connection assemblies each include a connection plate (881), a mounting groove (882), a first protruding pillar (883), and a second protruding pillar (884) provided on the connection plate; each valve connecting rod is respectively connected with the left axial guide rail and the right axial guide rail through the mounting grooves.

4. A shutter interlock mechanism switch cabinet according to claim 3, wherein the mounting slot is located at one end of the connection plate, and the first and second posts are located at the other end of the connection plate; the first convex column and the second convex column are positioned on opposite surfaces of the connecting plate.

5. The shutter interlocking mechanism switch cabinet as recited in claim 3, wherein the left shutter bracket and the right shutter bracket are each provided with an arc-shaped slot (812) which is matched with the second boss.

6. A shutter interlock mechanism switch cabinet as claimed in claim 1 wherein each shutter link is provided with a roller.

7. A shutter interlock mechanism switch cabinet according to claim 1 or 2 or 3 or 4 or 5 or 6 wherein the left and right axial guide rails are located on the same horizontal plane.

Technical Field

The invention relates to the technical field of power distribution cabinets, in particular to a valve interlocking mechanism switch cabinet which is simple in structure, free of clamping stagnation of an upper valve door plate and a lower valve door plate and capable of improving safety.

Background

The armored metal switch cabinet is mainly used for power distribution of power plants, industrial and mining enterprises and secondary power substations of electric power systems, starting and controlling large-scale high-voltage motors and the like, and controls, protects and monitors circuits. The switch cabinet consists of a fixed cabinet body and a drawable part (handcart). The shell of the cabinet body and the partition boards of all the functional units are assembled by aluminum-zinc coated steel plates. The valve in the cabinet body and the contact box form a closed small chamber to separate the high-voltage electrified contact, so that the safety of the maintainer is ensured. The valve mechanism is mainly used for supporting the valve, so that the valve can be opened in time when the circuit breaker is shaken in, and the valve can be closed in time when the circuit breaker is shaken out of the cabinet body. The original valve interlocking mechanism is often stuck between the upper valve and the lower valve plate, and the left connecting rod and the right connecting rod are rubbed, and the original valve interlocking mechanism is complex in structure, multiple in parts and high in processing difficulty.

Disclosure of Invention

The invention provides the valve interlocking mechanism switch cabinet which has the advantages that the structure of the valve interlocking mechanism is simple, the upper valve door plate and the lower valve door plate cannot be clamped and blocked, and the safety is improved, so that the defects of complex structure, more parts and high processing difficulty of the original valve interlocking mechanism in the prior art are overcome.

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

a switch cabinet with a valve interlocking mechanism comprises a cabinet body, and a vertical partition plate and a transverse partition plate which are arranged in the cabinet body, wherein the cabinet body is divided into a bus chamber, an instrument chamber, a breaker chamber and a cable chamber by the vertical partition plate and the transverse partition plate; the valve interlocking mechanism comprises a left valve guide rail and a right valve guide rail which are oppositely arranged, an upper valve and a lower valve which are arranged between the left valve guide rail and the right valve guide rail, a plurality of valve connecting rods which are respectively connected with the upper valve and the lower valve, a left axial guide rail, a right axial guide rail, a left connecting assembly and a right connecting assembly which are connected with the valve connecting rods, a left valve support connected with the left connecting assembly and a right valve support connected with the right connecting assembly; the left axial guide rail is connected with the left valve guide rail, and the right axial guide rail is connected with the right valve guide rail; the left valve guide rail and the right valve guide rail are installed on the vertical partition plate, and the left valve support and the right valve support are installed on the cabinet body.

In addition, the valve interlocking mechanism has simple and reliable structure and few parts, and particularly shows that when a circuit breaker is switched on and switched off, a valve connecting rod respectively moves up and down along a left valve guide rail and a right valve guide rail, the valve connecting rod drives a left connecting assembly and a right connecting assembly to move back and forth along a left axial guide rail and a right axial guide rail, and the left connecting assembly and the right connecting assembly move in an arc shape; the whole motion process is stable, and the situation of valve clamping stagnation can not occur.

Preferably, the cabinet body comprises an upper cover plate, a lower bottom plate, a front panel, a rear panel, a left side plate and a right side plate, wherein the front panel, the rear panel, the left side plate and the right side plate are connected with the upper cover plate and the lower bottom plate; the left valve support is arranged on the rear panel, and the right valve support is arranged on the front panel.

Preferably, the left connecting assembly and the right connecting assembly respectively comprise a connecting plate, and an installation groove, a first convex column and a second convex column which are arranged on the connecting plate; each valve connecting rod is respectively connected with the left axial guide rail and the right axial guide rail through the mounting grooves.

Preferably, the mounting groove is positioned at one end of the connecting plate, and the first convex column and the second convex column are positioned at the other end of the connecting plate; the first convex column and the second convex column are positioned on opposite surfaces of the connecting plate.

Preferably, arc-shaped grooves matched with the second convex columns are formed in the left valve support and the right valve support.

Preferably, each valve connecting rod is provided with a roller.

Preferably, the left axial guide rail and the right axial guide rail are located on the same horizontal plane.

Therefore, the invention has the following beneficial effects: the valve interlocking mechanism ensures that the valve is opened and closed in time, the valve is not blocked, the safety of related personnel is ensured, and the safety of products is improved; the invention has simple structure, few parts and easy processing; the valve connecting rod swings stably and has strong stability in the process of opening or closing the upper valve and the lower valve.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

fig. 2 is a schematic diagram of a shutter interlock mechanism of the present invention.

In the figure: the cabinet body 1, vertical baffle 2, horizontal baffle 3, bus-bar room 4, instrument room 5, circuit breaker room 6, cable chamber 7, valve interlocking device 8, upper cover plate 11, lower plate 12, rear panel 13, left side board 14, right side board 15, left valve guide rail 81, right valve guide rail 82, upper valve 83, lower valve 84, valve connecting rod 85, left axial guide rail 86, right axial guide rail 87, left coupling assembling 88, right coupling assembling 89, left valve support 810, right valve support 811, arc-shaped groove 812, connecting plate 881, mounting groove 882, first projection 883, second projection 884.

Detailed Description

The invention is further described in the following detailed description with reference to the drawings in which:

the embodiment shown in fig. 1 is a switch cabinet with a valve interlocking mechanism, which comprises a cabinet body 1, and a vertical partition plate 2 and a transverse partition plate 3 which are arranged in the cabinet body, wherein the cabinet body is divided into a bus chamber 4, an instrument chamber 5, a breaker chamber 6 and a cable chamber 7 by the vertical partition plate and the transverse partition plate; the cabinet body comprises an upper cover plate 11, a lower bottom plate 12, a front panel, a rear panel 13, a left side plate 14 and a right side plate 15 which are connected with the upper cover plate and the lower bottom plate; a valve interlocking mechanism 8 is arranged in the circuit breaker chamber, and as shown in fig. 2, the valve interlocking mechanism comprises a left valve guide rail 81 and a right valve guide rail 82 which are oppositely arranged, an upper valve 83 and a lower valve 84 which are arranged between the left valve guide rail and the right valve guide rail, 4 valve connecting rods 85 which are respectively connected with the upper valve and the lower valve, a left axial guide rail 86, a right axial guide rail 87, a left connecting assembly 88 and a right connecting assembly 89 which are connected with the valve connecting rods, a left valve bracket 810 connected with the left connecting assembly, and a right valve bracket 811 connected with the right connecting assembly; the left axial guide rail is connected with the left valve guide rail, and the right axial guide rail is connected with the right valve guide rail; the left valve guide rail and the right valve guide rail are arranged on the vertical partition plate; the left valve support is arranged on the rear panel, and the right valve support is arranged on the front panel.

In addition, as shown in fig. 2, the 4 shutter links are a first shutter link, a second shutter link, a third shutter link and a fourth shutter link, respectively; the left connecting component and the right connecting component both comprise a connecting plate 881, a mounting groove 882, a first convex column 883 and a second convex column 884 which are arranged on the connecting plate; the mounting groove is positioned at one end of the connecting plate, and the first convex column and the second convex column are positioned at the other end of the connecting plate; the first valve connecting rod and the third valve connecting rod are connected with the left axial guide rail through a mounting groove on the left connecting assembly, and the second valve connecting rod and the fourth valve connecting rod are connected with the right axial guide rail through a mounting groove on the right connecting assembly; the first convex column on the left connecting component is positioned on the right side surface of the connecting plate, and the second convex column on the left connecting component is positioned on the left side surface of the connecting plate; the first convex column on the right connecting component is positioned on the left side surface of the connecting plate, and the second convex column on the right connecting component is positioned on the right side surface of the connecting plate; arc-shaped grooves 812 matched with the second convex columns are formed in the left valve support and the right valve support; each valve connecting rod is provided with a roller, the left valve guide rail, the right valve guide rail, the left axial guide rail and the right axial guide rail are provided with guide rail grooves, and the rollers roll along the guide rail grooves; the left axial guide rail and the right axial guide rail are positioned on the same horizontal plane.

Installing a valve interlocking mechanism on the cabinet body, and installing a left valve guide rail and a right valve guide rail on a vertical partition plate; the left valve bracket is arranged on the rear panel, and the right valve bracket is arranged on the front panel; when the circuit breaker and the handcart are shaken to the first convex column, the left connecting assembly and the right connecting assembly are pushed to respectively move backwards along the left axial guide rail and the right axial guide rail, meanwhile, the first valve connecting rod and the second valve connecting rod drive the upper valve to move upwards, the third valve connecting rod and the fourth valve connecting rod drive the lower valve to move downwards, the second convex column does arc motion along the arc-shaped groove, and the upper valve and the lower valve are opened; when the circuit breaker and the handcart are shaken out, the left connecting assembly and the right connecting assembly respectively move forwards along the left axial guide rail and the right axial guide rail, meanwhile, the first valve connecting rod and the second valve connecting rod drive the upper valve to move downwards, the third valve connecting rod and the fourth valve connecting rod drive the lower valve to move upwards, the second convex column does arc motion along the arc-shaped groove, and the upper valve and the lower valve are closed; the phenomenon of valve clamping stagnation can not occur in the whole movement process, the safety of the whole product is improved, and meanwhile, the whole operation process of opening or closing the upper valve and the lower valve is stable and small in jitter; meanwhile, due to the fact that the idler wheels are installed, friction force is reduced, and sliding is smooth.

It should be understood that this example is for illustrative purposes only and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.