CN219760322U - High-voltage armored metal-enclosed switchgear - Google Patents

Abstract

The utility model discloses high-voltage armored metal-enclosed switchgear which comprises a cabinet shell and a locking unit, wherein wiring pipes are arranged in wiring ports symmetrically formed in the front and back of the lower end of the left side surface of the cabinet shell, electric element mounting frame plates which are uniformly distributed are arranged in the cabinet shell, an embedded groove is formed in the left end of the front side surface of the cabinet shell, a closed door is hinged to the right side edge of an opening of the front side surface of the cabinet shell through a hinge, a handle accommodating groove is formed in the left end of the front side surface of the closed door, and the locking unit is arranged at the left end of the inside of the closed door and is movably clamped with the embedded groove. This high-voltage armoured metal-enclosed switchgear can provide airtight protection for the inside electrical component of cabinet shell through airtight door, and can realize locking and unblock to airtight door under the prerequisite that does not increase personnel's operation burden, makes things convenient for personnel to maintain the work.

Description

High-voltage armored metal-enclosed switchgear

Technical Field

The utility model belongs to the technical field of power distribution equipment, and particularly relates to high-voltage armored metal-enclosed switchgear.

Background

The high voltage armoured metal enclosed switchgear is a device used in power distribution system for controlling and protecting circuit. The equipment adopts a high-voltage power armoring technology, has high electrical insulation capacity, and can keep long-term safe operation of the equipment.

The device also adopts a metal sealing structure, so that the internal electric elements can be effectively prevented from being polluted and mechanically damaged by the outside. The switch component of the equipment adopts a high-performance control technology and fully considers the design of mechanical life and electrical requirements, thereby ensuring the high reliability and stability of the equipment. Because of the characteristics of safety, reliability and strong universality, high-voltage armored metal-enclosed switchgear has been widely applied to modern power systems.

In order to ensure that the sealing door is normally in a normally closed state with the sealing protection effect, the existing high-voltage armored metal sealing switch equipment is required to be locked and limited between the sealing door and the cabinet body, and when workers develop daily maintenance work, the sealing door is required to be repeatedly unlocked and locked, so that the operation is complicated, and the development of the maintenance work is very influenced.

Disclosure of Invention

The utility model aims to provide high-voltage armored metal-enclosed switchgear so as to solve the technical problems in the background technology.

In order to achieve the above purpose, the specific technical scheme of the utility model is as follows: the utility model provides a high-voltage armoured metal-enclosed switchgear, includes cabinet shell and locking unit, all be equipped with the wiring pipe in the wiring mouth that symmetry was seted up around cabinet shell left surface lower extreme, the inside of cabinet shell is equipped with evenly distributed's electrical component mounting frame board, the leading flank left end of cabinet shell is equipped with the gomphosis groove, open right side edge department in cabinet shell leading flank articulates there is airtight door through the hinge, airtight door's leading flank left end is equipped with the handle and accomodates the groove, locking unit sets up in airtight door's inside left end, locking unit and gomphosis groove movable joint.

Preferably, the locking unit comprises a concave cavity and an embedded plate, the concave cavity is arranged at the left end of the inner part of the airtight door, the embedded plate is transversely connected with the inner part of the concave cavity in a sliding manner, and the rear end of the embedded plate penetrates through a transverse sliding opening of the inner wall of the rear side of the concave cavity and is movably clamped with the embedded groove.

Preferably, the rear end face of the engaging plate is inclined rearward from left to right.

Preferably, the locking unit further comprises a rack plate, a rotating rod, a handle and a gear, wherein the rack plate is arranged on the front side surface of the embedding plate, the rotating rod is rotationally connected to the front end of the inner portion of the concave cavity through a bearing, the upper end and the lower end of the rotating rod are all extended to the inner portion of the handle storage groove, the outer cambered surface of the rotating rod is provided with the handle, the handle is located in the handle storage groove, the gear is arranged in the middle of the outer cambered surface of the rotating rod, and the gear is meshed with the rack plate.

Preferably, the locking unit further comprises torsion springs, the torsion springs are respectively arranged on the step surfaces at the upper end and the lower end of the rotating rod, and the outer side ends of the torsion springs are respectively fixedly connected with the upper inner wall and the lower inner wall of the concave cavity.

Preferably, the middle parts of the left side surface and the right side surface of the cabinet shell are provided with radiating fin openings which are uniformly distributed.

The utility model has the following advantages:

1. when the high-voltage armored metal-enclosed switch device opens the airtight door through the handle, a person firstly rotates the handle out of the handle accommodating groove, at the moment, the rotating rod rotates along with the handle and is influenced by the meshing connection relation of the gear and the rack plate, the embedded plate moves rightwards towards the right side of the embedded groove along with the rotating rod, so that the hooking and clamping state of the embedded plate and the embedded groove is relieved, then the person can operate the electrical element which is arranged on the electrical element mounting frame plate in advance by outwards pulling the airtight door through the force applied by the handle, and the unlocking of the airtight door can be completed without increasing the operation burden of the person;

2. this high-voltage armoured metal closed switch equipment, when providing airtight protection for the cabinet shell through airtight door, personnel directly promote airtight door and make it closed with the cabinet shell, the slope terminal surface of embedding board rear end can be contacted with the left side edge of gomphosis groove, along with personnel's manual application of force, the embedding board can right side gradually so that self normally gets into the inside of gomphosis groove, the inside of taking in the groove through rack board, step-by-step transmission handle of gear and bull stick can follow the handle gradually and rotate out, after the embedding board gets into the inside of gomphosis groove completely, torsion effect bull stick by torsional spring can automatic re-setting, step-by-step transmission through gear and rack board can make the embedding board move to reset to make embedding board and gomphosis groove automatic block, realize the locking to airtight door under the prerequisite that does not increase personnel's operation burden, so as to guarantee the relative closure of cabinet shell internal environment, so as to avoid external factor to cause the influence to the inside electrical component of cabinet shell.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the present utility model in an inner cross-section;

FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;

FIG. 4 is a schematic view of the internal structure of the present utility model;

FIG. 5 is a schematic top view of the cavity of the present utility model in cross-section;

the figure indicates: 1. a cabinet housing; 2. a wire connection tube; 3. an electrical component mounting board; 4. a fitting groove; 5. a closed door; 6. a handle accommodating groove; 7. a locking unit; 71. a cavity; 72. an embedded plate; 73. rack plate; 74. a rotating rod; 75. a handle; 76. a gear; 77. a torsion spring; 8. and the heat dissipation fin opening.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "vertical," "horizontal," "top," "bottom," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the embodiments of the present utility model and to simplify the description, rather than to indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

The following disclosure provides many different implementations, or examples, for implementing different configurations of embodiments of the utility model. In order to simplify the disclosure of embodiments of the present utility model, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present utility model. Furthermore, embodiments of the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

For a better understanding of the objects, structures and functions of the present utility model, a high voltage armored metal enclosed switchgear of the present utility model is described in further detail below with reference to the accompanying drawings.

As shown in fig. 1-5, the high-voltage armored metal enclosed switchgear comprises a cabinet shell 1 and a locking unit 7, wiring pipes 2 are respectively arranged in wiring ports symmetrically formed in front and back of the lower end of the left side face of the cabinet shell 1, electric element mounting frame plates 3 which are uniformly distributed are arranged in the cabinet shell 1, an embedded groove 4 is formed in the left end of the front side face of the cabinet shell 1, a closed door 5 is hinged to the right side edge of the front side face of the cabinet shell 1 through a hinge, a handle accommodating groove 6 is formed in the left end of the front side face of the closed door 5, the locking unit 7 is arranged at the left end of the inside of the closed door 5, and the locking unit 7 is movably clamped with the embedded groove 4, so that sufficient operation space can be provided for subsequent sealing and locking work.

The locking unit 7 comprises a concave cavity 71 and an embedding plate 72, the concave cavity 71 is arranged at the left end of the inside of the airtight door 5, the embedding plate 72 is transversely and slidably connected in the concave cavity 71, the rear end of the embedding plate 72 penetrates through a transverse sliding opening in the rear inner wall of the concave cavity 71 and is movably clamped with the embedding groove 4, the rear end face of the embedding plate 72 is obliquely arranged from left to right, the locking unit 7 further comprises a rack plate 73, a rotating rod 74, a handle 75 and a gear 76, the rack plate 73 is arranged on the front side face of the embedding plate 72, the rotating rod 74 is rotatably connected to the front end of the inside of the concave cavity 71 through a bearing, the upper end and the lower end of the rotating rod 74 are both extended into the inside of the handle accommodating groove 6, the handle 75 is arranged on the outer arc surface of the rotating rod 74, the middle of the outer arc surface of the rotating rod 74 is provided with the gear 76, the gear 76 is in meshed connection with the rack plate 73, the locking unit 7 further comprises a torsion spring 77, the torsion springs 77 are respectively arranged on the step surfaces at the upper end and the lower end of the rotary rod 74, the outer ends of the torsion springs 77 are respectively fixedly connected with the upper inner wall and the lower inner wall of the concave cavity 71, when the airtight door 5 is opened by the handle 75, a person rotates the handle 75 out of the handle accommodating groove 6, at the moment, the rotary rod 74 rotates along with the handle 75, and is influenced by the meshing connection relation of the gear 76 and the rack plate 73, the embedded plate 72 moves rightwards along with the rotary rod to the right side of the embedded groove 4, so that the hooking and clamping state of the embedded plate 72 and the embedded groove 4 is released, then the person applies force to pull the airtight door 5 outwards through the handle 75, the electric element arranged on the electric element mounting frame plate 3 in advance can be operated, the unlocking of the airtight door 5 can be completed without increasing the operation burden of the person, the inclined end face at the rear end of the embedding plate 72 can be contacted with the left edge of the embedding groove 4, along with manual force application of personnel, the embedding plate 72 can gradually move right so as to normally enter the embedding groove 4, at the moment, the step-by-step transmission handle 75 through the rack plate 73, the gear 76 and the rotating rod 74 can gradually rotate out of the handle accommodating groove 6, after the embedding plate 72 completely enters the embedding groove 4, the rotating rod 74 can automatically reset under the torsion action of the torsion spring 77, and the embedding plate 72 can be moved left and reset again through the step-by-step transmission of the gear 76 and the rack plate 73, so that the embedding plate 72 and the embedding groove 4 can be automatically clamped, and the locking of the airtight door 5 is realized on the premise of not increasing the operation burden of personnel, so that the relative sealing of the internal environment of the cabinet shell 1 is ensured, and the influence of external factors on electric elements in the cabinet shell 1 is avoided.

The middle parts of the left side surface and the right side surface of the cabinet shell 1 are provided with radiating fin openings 8 which are uniformly distributed, so that heat generated by the operation of electric elements in the cabinet shell 1 can be promoted to be dissipated to the outside environment.

The working principle of the high-voltage armored metal-enclosed switchgear is as follows: when the airtight door 5 is opened through the handle 75, personnel unscrew the handle 75 from the inside of the handle accommodating groove 6, at this moment, the rotating rod 74 can rotate along with the handle 75, the rotating rod is influenced by the meshing connection relation of the gear 76 and the rack plate 73, the embedded plate 72 can move rightwards towards the right side of the embedded groove 4 along with the rotating rod, so that the hooking and clamping state of the embedded plate 72 and the embedded groove 4 is relieved, then the personnel can outwards pull the airtight door 5 through the force application of the handle 75 to open the electrical element arranged on the electrical element accommodating plate 3 in advance, the unlocking of the airtight door 5 can be completed without increasing the operation burden of the personnel, when the personnel closes the airtight door 5, the inclined end face of the rear end of the embedded plate 72 can be contacted with the left side edge of the embedded groove 4, the embedded plate 72 can gradually move rightwards along with the manual force application of the personnel so as to normally enter the inside of the embedded groove 4, at this moment, the transmission handle 75 can gradually rotate from the inside of the handle accommodating groove 6 step by step through the rack plate 73, the gear 76 and the rotating rod 74, after the embedded plate 72 completely enters the inside of the embedded groove 4, the torsion action 74 of the torsion force of the torsion spring 77 can be automatically reset, the operation of the torsion bar 74 can be carried out, the personnel can be prevented from resetting the operation of the electrical element arranged on the electrical element accommodating plate 3 in advance, the inside the airtight door 5 can be prevented from being influenced by the step by the side of the embedded plate 72, the inside the embedded plate can be normally and the inside the embedded case 1 is normally, and can normally has no influence on the inside of the embedded plate 1, and the embedded plate is normally, and can be normally has the inside the embedded case.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. High voltage armoured metal-enclosed switchgear, comprising a cabinet casing (1) and a locking unit (7), characterized in that: the novel electric cabinet is characterized in that wiring pipes (2) are arranged in wiring ports symmetrically formed in the front and back of the lower end of the left side face of the cabinet shell (1), electric element installation frame plates (3) which are evenly distributed are arranged in the cabinet shell (1), an embedded groove (4) is formed in the left end of the front side face of the cabinet shell (1), a closed door (5) is hinged to the right edge of the front side face of the cabinet shell (1) through a hinge, a handle storage groove (6) is formed in the left end of the front side face of the closed door (5), and a locking unit (7) is arranged at the left end of the inside of the closed door (5) and is movably clamped with the embedded groove (4).

2. A high voltage armoured metal-enclosed switchgear as claimed in claim 1, wherein: the locking unit (7) comprises a concave cavity (71) and a jogged plate (72), the concave cavity (71) is arranged at the left end of the inside of the airtight door (5), the jogged plate (72) is transversely connected with the inside of the concave cavity (71) in a sliding mode, and the rear end of the jogged plate (72) penetrates through a transverse sliding opening of the inner wall of the rear side of the concave cavity (71) and is movably clamped with the jogged groove (4).

3. A high voltage armoured metal-enclosed switchgear as claimed in claim 2, wherein: the rear end surface of the jogged plate (72) is inclined from left to right.

4. A high voltage armoured metal-enclosed switchgear as claimed in claim 2, wherein: the locking unit (7) further comprises a rack plate (73), a rotating rod (74), a handle (75) and a gear (76), wherein the rack plate (73) is arranged on the front side surface of the embedded plate (72), the rotating rod (74) is rotationally connected to the front end of the inside of the concave cavity (71) through a bearing, the upper end and the lower end of the rotating rod (74) are both extended to the inside of the handle storage groove (6), the outer cambered surface of the rotating rod (74) is provided with the handle (75), the handle (75) is located inside the handle storage groove (6), the gear (76) is arranged in the middle of the outer cambered surface of the rotating rod (74), and the gear (76) is in meshed connection with the rack plate (73).

5. A high voltage armoured metal-enclosed switchgear as claimed in claim 4, wherein: the locking unit (7) further comprises a torsion spring (77), the torsion spring (77) is respectively arranged on the step surfaces at the upper end and the lower end of the rotary rod (74), and the outer side end of the torsion spring (77) is respectively fixedly connected with the upper inner wall and the lower inner wall of the concave cavity (71).

6. A high voltage armoured metal-enclosed switchgear as claimed in claim 1, wherein: the middle parts of the left side surface and the right side surface of the cabinet shell (1) are respectively provided with radiating fin openings (8) which are uniformly distributed.