A misoperation-proof interlocked high-voltage switch cabinet

Abstract

The utility model discloses a kind of high-voltage switchgear of anti-misoperation interlock, it is related to switchgear technical field.The utility model includes switchgear body, and the side end of switchgear body is rotationally equipped with three switchgear doors, to prevent because of misoperation opening switchgear door, three groups of positioning components are equipped in switchgear body, three groups of positioning components are used to additionally lock three switchgear doors, and switchgear door cannot be directly opened after misoperation unlocking switchgear door;Further, to facilitate when required quickly unlocking switchgear door, a group of foot pedal extrusion components is equipped in switchgear body, and foot pedal extrusion component is used for quickly extruding three groups of positioning components for unlocking three switchgear doors.Even if misoperation releases the original locking structure, due to the locking effect of positioning component, switchgear door cannot be directly opened, to greatly reduce the risk of safety accident caused by misoperation.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of switch cabinet, especially relates to a high -voltage switch cabinet of anti -misoperation interlock. BACKGROUND

[0002] In the power system, high -voltage switch cabinet is an important electrical equipment, for control and protection circuit. However, in the actual operation, due to the misoperation of operating personnel, it can cause high -voltage switch cabinet door to be accidentally opened, and thus causes serious safety accidents, such as electric shock, short circuit, etc., and causes huge harm to personnel and equipment.

[0003] At present, although high -voltage switch cabinet is usually equipped with locking structure, but in some cases, such as the negligence of operating personnel, misoperation, etc., it can still cause the locking structure to be misremoved, so that the switch cabinet door can be opened. Therefore, a more reliable anti -misoperation device is needed to increase additional protection measures on the basis of the original locking structure to prevent the switch cabinet door from being opened by mistake.

[0004] In view of the above problems, the utility model file proposes a kind of high -voltage switch cabinet of anti -misoperation interlock. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of high -voltage switch cabinet of anti -misoperation interlock, additional protection measures are increased on the basis of the original locking structure of switch cabinet body and switch cabinet door. Even if the original locking structure is misremoved, due to the locking effect of positioning assembly, the switch cabinet door cannot be directly opened, so that the risk of safety accident caused by misoperation is greatly reduced, and the existing technical problem is solved.

[0006] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0007] A kind of high -voltage switch cabinet of anti -misoperation interlock is used to prevent misoperation to open high -voltage switch cabinet door, comprising:

[0008] Switch cabinet body, the lateral end of the switch cabinet body is rotatably provided with three switch cabinet doors, to prevent the switch cabinet door from being opened by mistake, three groups of positioning assemblies are arranged in the switch cabinet body, and the three groups of positioning assemblies are used to additionally lock the three switch cabinet doors, so that the switch cabinet door cannot be directly opened after being unlocked by mistake.

[0009] Further, to facilitate unlocking the switch cabinet door quickly when needed, a group of foot pedal extrusion assemblies are arranged in the switch cabinet body, and the foot pedal extrusion assemblies are used to quickly extrude the three groups of positioning assemblies for unlocking the three switch cabinet doors.

[0010] Optionally, each of the positioning assemblies comprises a first groove formed in the switch cabinet body, a first limiting rod is fixed in the first groove, an L-shaped clamping block is slidably arranged on the surface of the first limiting rod, an L-shaped clamping groove is formed in the switch cabinet door and is clamped with the L-shaped clamping block, a first spring is sleeved on the surface of the first limiting rod, and the two ends of the first spring are respectively abutted against the L-shaped clamping block and the inner wall of the first groove through spring seats.

[0011] The L-shaped clamping block is pushed upward by the elasticity of the first spring, moves upward through the corner clamping inclined slot, and fixes the positions of the switch cabinet door and the switch cabinet body. The additional protection measures on the original locking structure of the switch cabinet body and the switch cabinet door can effectively prevent the switch cabinet door from being mistakenly opened after the original locking structure of the switch cabinet body and the switch cabinet door is released.

[0012] Optionally, the end of each of the three L-shaped clamping blocks close to the switch cabinet door is provided with an inclined slot, so that the L-shaped clamping block can be automatically clamped into the L-shaped clamping groove.

[0013] Optionally, the foot pressing assembly comprises a second groove formed in the switch cabinet body, the second groove is communicated with the three first grooves, a connecting rod is slidably arranged in the second groove, three pressing rods are fixed on the surface of the connecting rod, a pushing piece is fixed on the side end of each of the three L-shaped clamping blocks, the three pressing rods are arranged above the three pushing pieces for pressing the three pushing pieces, a third groove is formed in the switch cabinet body and is communicated with the second groove, two second limiting rods are fixed in the third groove, a connecting plate is slidably arranged on the surface of the two second limiting rods, the connecting rod is fixed on the top end of the connecting plate, two connecting rods are fixed on the side end of the connecting plate, and a stepping rod for stepping is fixed on the side end of the two connecting rods.

[0014] The connecting plate and the connecting rod are driven downward by stepping the stepping rod, the connecting rod drives the three pressing rods to move downward, the three pressing rods press the three pushing pieces to move downward, the three pushing pieces drive the three L-shaped clamping blocks to move away from the three inclined slots, and the switch cabinet door can be conveniently opened.

[0015] Optionally, anti-skid lines are formed on the surface of the stepping rod.

[0016] Optionally, a second spring is sleeved on the surface of each of the two second limiting rods, and the two ends of each of the two second springs are respectively abutted against the side end of the connecting plate and the inner wall of the third groove through spring seats.

[0017] In the present application,

[0018] The utility model discloses a high -voltage switchgear of anti -misoperation interlock, and the high -voltage switchgear additionally increases the protection measure on the basis of the locking structure of switchgear body and switchgear door originally, even if the misoperation is relieved the locking structure originally, the switchgear door is unable to be opened directly because of the locking effect of positioning assembly, thereby greatly reduce the risk of safety accident caused by misoperation,

[0019] The utility model discloses a high -voltage switchgear of anti -misoperation interlock, and the high -voltage switchgear additionally increases the protection measure on the basis of the locking structure of switchgear body and switchgear door originally, even if the misoperation is relieved the locking structure originally, the switchgear door is unable to be opened directly because of the locking effect of positioning assembly, thereby greatly reduce the risk of safety accident caused by misoperation,

[0020] In the technical scheme, the anti-misoperation interlocking structure of the high-voltage switch cabinet is relatively simple, the connection and transmission relationship between the components are clear and easy to manufacture and install.

[0021] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced to the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0023] Figure 1 It is the front view of the utility model in the middle;

[0024] Figure 2 It is the partial sectional view of the utility model in the middle;

[0025] Figure 3 It is the front view of the utility model in the middle Figure 2 It is the partial enlarged view of A in the middle;

[0026] Figure 4 It is the partial sectional view of the utility model in the middle.

[0027] In the drawing: 1, switch cabinet body;2, switch cabinet door;3, L type clamping groove;4, L type clamping block;5, inclined groove;6, first recess;7, first limit rod;8, first spring;9, push piece;10, extrusion rod;11, connecting rod;12, second recess;13, third recess;14, treadle lever;15, second spring;16, connecting rod;17, connecting plate;18, second limit rod. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] In the description of the utility model, it should be understood that the terms "opening", "upper", "middle", "length", "inner" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the utility model.

[0030] In order to keep the following description of the embodiments of the utility model clear and concise, the utility model omits the detailed description of known functions and known components.

[0031] In one embodiment:

[0032] Please refer to Figures 1-4 As shown in the figure, in the embodiment, a misoperation prevention interlocking high-voltage switch cabinet is provided, which comprises a switch cabinet body 1, three switch cabinet doors 2, three sets of positioning assemblies and a set of foot pedal extrusion assemblies. The switch cabinet body 1 serves as the main frame of the entire device and provides a mounting base for other components; the three switch cabinet doors 2 are rotatably arranged at the side ends of the switch cabinet body 1 and are used to close the internal space of the switch cabinet body 1; the three sets of positioning assemblies correspond to the three switch cabinet doors 2 respectively and play an additional locking role; and the foot pedal extrusion assembly is used to quickly unlock the three switch cabinet doors 2.

[0033] The switch cabinet body 1 is made of high-strength metal material and has good mechanical strength and protection performance. The three switch cabinet doors 2 are installed at the side ends of the switch cabinet body 1 through hinges and other rotating connecting pieces and can be flexibly opened and closed. A conventional locking structure is originally arranged between the switch cabinet door 2 and the switch cabinet body 1 and is used to lock the switch cabinet door 2 under normal operating conditions.

[0034] The switch cabinet body 1 is made of high-strength metal material and has good mechanical strength and protection performance. The three switch cabinet doors 2 are installed at the side ends of the switch cabinet body 1 through hinges and other rotating connecting pieces and can be flexibly opened and closed. A conventional locking structure is originally arranged between the switch cabinet door 2 and the switch cabinet body 1 and is used to lock the switch cabinet door 2 under normal operating conditions.

[0035] The L-shaped clamping block 4 is provided with an inclined groove 5 at one end close to the switch cabinet door 2, and the design of the inclined groove 5 enables the L-shaped clamping block 4 to be automatically clamped into the L-shaped clamping groove 3 when the switch cabinet door 2 is closed. Under the elastic action of the first spring 8, the L-shaped clamping block 4 is pushed downward, and when it moves upward, it is clamped in the inclined groove 5 through the corner, thereby fixing the position of the switch cabinet door 2 and the switch cabinet body 1. In this way, on the basis of the original locking structure of the switch cabinet body 1 and the switch cabinet door 2, additional protection measures are added to effectively prevent the switch cabinet door 2 from being mistakenly opened after the original locking structure is mistakenly released by operation;

[0036] The foot pedal pressing assembly comprises a second groove 12 formed in the switch cabinet body 1, which is in communication with the three first grooves 6. A connecting rod 11 is slidingly installed in the second groove 12, and the surface of the connecting rod 11 is fixed with three pressing rods 10. The side ends of the three L-shaped clamping blocks 4 are fixed with three push pieces 9, and the three pressing rods 10 are arranged above the three push pieces 9 respectively for pressing the three push pieces 9.

[0037] The switch cabinet body 1 is also provided with a third groove 13 in communication with the second groove 12, and two second limiting rods 18 are fixed in the third groove 13. The surface of the two second limiting rods 18 is slidingly installed with the same connecting plate 17, and the connecting rod 11 is fixed to the top end of the connecting plate 17. The side end of the connecting plate 17 is fixed with two connecting rods 16, and the side end of the two connecting rods 16 is fixed with the same pedal rod 14. The surface of the pedal rod 14 is provided with anti-skid lines to increase the friction when operating and prevent slipping when stepping on the pedal rod 14.

[0038] The surface of the two second limiting rods 18 is sleeved with a second spring 15, and the two ends of the second spring 15 are respectively in abutment with the side end of the connecting plate 17 and the inner wall of the third groove 13 through the spring seat. When the pedal rod 14 needs to be stepped on, the pedal rod 14 drives the connecting plate 17 and the connecting rod 11 to move downward, the connecting rod 11 drives the three pressing rods 10 to move downward, the three pressing rods 10 press the three push pieces 9 to move downward, and the three push pieces 9 drive the three L-shaped clamping blocks 4 to move away from the inclined groove 5, so that the switch cabinet door 2 can be opened. When the pedal rod 14 is released, the connecting plate 17, the connecting rod 11 and the pressing rod 10 are reset under the elastic action of the second spring 15, the L-shaped clamping block 4 is clamped into the L-shaped clamping groove 3 under the action of the first spring 8, and the locking state is restored. The first spring 8 is sleeved on the surface of the first limiting rod 7.

[0039] In another embodiment,

[0040] Reference is made to the accompanying drawings Figure 1 - the accompanying drawings Figure 4The surface of the two second limiting rods 18 is sleeved with a second spring 15, and the two ends of the second spring 15 are respectively in abutment with the side end of the connecting plate 17 and the inner wall of the third groove 13 through spring seats. When the foot pedal 14 needs to be stepped on, the foot pedal 14 drives the connecting plate 17 and the connecting rod 11 to move downwards, the connecting rod 11 drives the three extruding rods 10 to move downwards, the three extruding rods 10 drive the three flippers 9 to move downwards, the three flippers 9 drive the three L-shaped clamping blocks 4 to move away from the inclined grooves 5, at this time, the switch cabinet door 2 can be opened. After the foot pedal 14 is released, under the elastic action of the second spring 15, the connecting plate 17, the connecting rod 11 and the extruding rod 10 are reset, the L-shaped clamping block 4 is clamped into the L-shaped clamping groove 3 again under the action of the first spring 8, and the locking state is restored.

[0041] It should be noted that in the description of the present specification, the description such as "first", "second" and the like is only used to distinguish various features, and does not have actual order or pointing meaning, and the present application is not limited thereto.

[0042] The drawings in the specification of the present application are only of a schematic nature, and the size and shape of each component shown are not actual limitations, but only a kind of schematic representation. In the actual implementation process, each component can be reasonably configured and adjusted according to specific needs and actual conditions.

[0043] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0044] The preferred embodiments of the above disclosed utility model are only used to help explain the utility model. The preferred embodiments do not describe all the details, nor limit the utility model to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The embodiments are selected and described in detail in the specification in order to better explain the principles and practical application of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A high-voltage switchgear with anti-misoperation interlocking, used to prevent accidental opening of the high-voltage switchgear door, characterized in that, include: The switch cabinet (1) has three switch cabinet doors (2) rotatably mounted on its side. In order to prevent the switch cabinet doors (2) from being opened due to accidental operation, three sets of positioning components are provided inside the switch cabinet (1). The three sets of positioning components are used to lock the three switch cabinet doors (2) in an additional way. Even if the switch cabinet doors (2) are unlocked due to accidental operation, they cannot be opened directly. Furthermore, in order to facilitate the quick unlocking of the switch cabinet door (2) when needed, a set of foot pedal squeezing components is provided inside the switch cabinet body (1). The foot pedal squeezing components are used to quickly squeeze the three sets of positioning components to unlock the three switch cabinet doors (2). Each of the positioning components includes a first groove (6) opened in the switch cabinet (1), a first limiting rod (7) fixed in the first groove (6), an L-shaped locking block (4) sliding on the surface of the first limiting rod (7), an L-shaped slot (3) that engages with the L-shaped locking block (4) opened in the switch cabinet door (2), a first spring (8) sleeved on the surface of the first limiting rod (7), and the two ends of the first spring (8) abutting against the inner wall of the L-shaped locking block (4) and the first groove (6) respectively through spring seats; The L-shaped locking block (4) is pushed upward by the elasticity of the first spring (8). The L-shaped locking block (4) moves upward and is locked in the inclined groove (5) through the corner, fixing the position of the switch cabinet door (2) and the switch cabinet body (1). This adds extra protection to the original locking structure of the switch cabinet body (1) and the switch cabinet door (2), which can effectively prevent the switch cabinet door (2) from being accidentally opened after the original locking structure of the switch cabinet body (1) and the switch cabinet door (2) is released by accidental operation.

2. The high-voltage switchgear with anti-misoperation interlocking as described in claim 1, characterized in that, Each of the three L-shaped card blocks (4) has an inclined groove (5) at one end near the switch cabinet door (2) to facilitate the automatic insertion of the L-shaped card block (4) into the L-shaped card slot (3).

3. A high-voltage switchgear with anti-misoperation interlocking as described in claim 1, characterized in that, The foot pedal pressing assembly includes a second groove (12) opened in the switch cabinet (1), the second groove (12) is connected to three first grooves (6), a connecting rod (11) slides in the second groove (12), three pressing rods (10) are fixed on the surface of the connecting rod (11), and a paddle (9) is fixed on the side end of each of the three L-shaped blocks (4). The three pressing rods (10) are respectively located on the upper side of the three paddles (9) for pressing the three paddles (9). A third groove (13) is opened in the switch cabinet (1) and is connected to the second groove (12). Two second limiting rods (18) are fixed in the third groove (13). The same connecting plate (17) slides on the surface of the two second limiting rods (18). The connecting rod (11) is fixed to the top of the connecting plate (17). Two connecting rods (16) are fixed on the side end of the connecting plate (17). The same foot pedal (14) is fixed on the side end of the two connecting rods (16). Among them, by using the foot pedal (14) to drive the connecting plate (17) and the connecting rod (11) to move downward, the connecting rod (11) drives the three pressing rods (10) to move downward, which can press the three paddles (9) to move downward, and the three paddles (9) drive the three L-shaped blocks (4) to leave the three inclined slots (5), which can facilitate opening the switch cabinet door (2).

4. A high-voltage switchgear with anti-misoperation interlocking as described in claim 3, characterized in that, The surface of the foot bar (14) is provided with anti-slip texture.

5. A high-voltage switchgear with anti-misoperation interlocking as described in claim 3, characterized in that, The surfaces of the two second limiting rods (18) are each fitted with a second spring (15), and the two ends of the two second springs (15) abut against the side end of the connecting plate (17) and the inner wall of the third groove (13) respectively through spring seats.

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