CN219918051U - Dual supply inlet wire cabinet - Google Patents

Abstract

The embodiment of the utility model provides a dual-power inlet wire cabinet, and relates to the technical field of power equipment. The double-power-supply incoming line cabinet comprises a first incoming line cabinet, a second incoming line cabinet and a mechanical interlocking device, wherein the first incoming line cabinet comprises a first cabinet body and a first circuit breaker, and the first circuit breaker is slidably arranged in the first cabinet body; the second incoming line cabinet comprises a second cabinet body and a second circuit breaker, the second circuit breaker is slidably arranged in the second cabinet body, and the second cabinet body and the first cabinet body are arranged side by side; the mechanical interlocking device comprises a first bracket, a second bracket and a locking rod piece, wherein the first bracket is arranged in the first cabinet body, the second bracket is arranged in the second cabinet body, and the locking rod piece is movably arranged on the first bracket and the second bracket in a penetrating way; in the case that the first circuit breaker or the second circuit breaker is used for sliding switching from the test position to the working position, the lock lever member is actuated so that the lock lever member locks the second circuit breaker or the first circuit breaker. The dual-power inlet wire cabinet is simple to operate, convenient to overhaul and high in reliability and safety.

Description

Dual supply inlet wire cabinet

Technical Field

The utility model relates to the technical field of power equipment, in particular to a dual-power inlet wire cabinet.

Background

In a 10kV dual-power-supply line-main-standby power supply mode, in order to ensure the safety and reliability of power supply, the prior art scheme is as follows: two locks and one key (206 JS program lock) are installed on a 10kV handcart type vacuum circuit breaker, and the principle is that two incoming line cabinets are respectively provided with one lock and only provided with one key. The operation process is that a first inlet wire cabinet door is opened, a first circuit breaker handcart is locked at a test position, then a key can be taken down, a second inlet wire cabinet door is opened, a second inlet wire cabinet circuit breaker handcart is unlocked, a second inlet wire cabinet door is closed, and a second circuit breaker is rocked into a working position.

However, this mounting means operation is complicated, and the switching once need open two cabinet door operations, and when two inlet wire cabinets are in test position simultaneously, the key can all be taken off, and the key is lost easily this moment, is unfavorable for operation maintenance work at ordinary times, has reduced power supply reliability and security.

Disclosure of Invention

The utility model aims to provide a dual-power inlet wire cabinet which is simple to operate and convenient to overhaul and can improve the reliability and safety of power supply.

Embodiments of the present utility model are implemented as follows:

in a first aspect, the present utility model provides a dual power inlet cabinet comprising:

the first incoming line cabinet comprises a first cabinet body and a first circuit breaker, and the first circuit breaker is slidably arranged in the first cabinet body;

the second incoming line cabinet comprises a second cabinet body and a second circuit breaker, the second circuit breaker is slidably arranged in the second cabinet body, and the second cabinet body and the first cabinet body are arranged side by side; and

the mechanical interlocking device comprises a first bracket, a second bracket and a locking rod piece, wherein the first bracket is arranged in the first cabinet body, the second bracket is arranged in the second cabinet body, and the locking rod piece is movably arranged in the first bracket and the second bracket in a penetrating way;

wherein the first circuit breaker is used for actuating the lock rod piece under the condition of sliding and switching from a test position to a working position, so that the second circuit breaker is locked by the lock rod piece; the second circuit breaker is used for actuating the locking rod piece when the second circuit breaker is switched to the working position from the test position in a sliding mode, so that the locking rod piece locks the first circuit breaker.

In an alternative embodiment, the first bracket comprises a first installation part, a first protruding part and a second installation part which are sequentially connected, and the first installation part and the second installation part are respectively connected with the first cabinet body; the second bracket comprises a third installation part, a second bulge part and a fourth installation part which are sequentially connected, and the third installation part and the fourth installation part are respectively connected with the second cabinet body; the lock rod piece is movably arranged on the first protruding part and the second protruding part in a penetrating mode.

In an alternative embodiment, the first protruding portion is provided with a first mounting hole, the first cabinet body is provided with a second mounting hole, the second cabinet body is provided with a third mounting hole, the second protruding portion is provided with a fourth mounting hole, and the locking rod piece is simultaneously arranged in the first mounting hole in a penetrating mode, the second mounting hole in the third mounting hole in the fourth mounting hole.

In an alternative embodiment, the locking rod piece comprises a locking rod and a spring, wherein the locking rod is movably arranged between the first bracket and the second bracket in a penetrating way, and the spring is arranged between the first bracket and the second bracket and sleeved on the locking rod; the lock lever is used for being actuated by the first circuit breaker or the second circuit breaker so as to correspondingly lock the second circuit breaker or the first circuit breaker.

In an alternative embodiment, a first spring pin and a second spring pin are arranged on the lock rod at intervals, the spring is arranged between the first spring pin and the second spring pin, and two ends of the spring are respectively connected with the first spring pin and the second spring pin.

In an alternative embodiment, the lock rod is provided with a first pin hole and a second pin hole at intervals, the first spring pin is arranged in the first pin hole, and the second spring pin is arranged in the second pin hole.

In an alternative embodiment, the first incoming line cabinet further comprises a first sliding block, the first sliding block is installed on one side, close to the first bracket, of the first circuit breaker, and the first sliding block is used for actuating the locking rod piece when the first circuit breaker is slidingly switched from the test position to the working position, so that the locking rod piece locks the second circuit breaker; and/or the number of the groups of groups,

the second incoming line cabinet further comprises a second sliding block, the second sliding block is installed on one side, close to the second support, of the second circuit breaker, and the second sliding block is used for actuating the locking rod piece when the second circuit breaker is switched to the working position in a sliding mode from the test position, so that the locking rod piece locks the first circuit breaker.

In an alternative embodiment, a first inclined plane is arranged at one end, close to the locking rod piece, of the second sliding block, and the first inclined plane is used for pushing the locking rod piece to move towards the first circuit breaker when the second circuit breaker is switched to the working position in a sliding manner from the test position, so that the locking rod piece locks the first circuit breaker; and/or the number of the groups of groups,

the first slider is close to one end of lock member is equipped with the second inclined plane, the second inclined plane is used for under the first circuit breaker slides and switches over from test position to the condition of working position, promote the locking lever spare towards the second circuit breaker removes, makes the locking lever spare locking second circuit breaker.

In an alternative embodiment, a first circular protrusion is arranged at one end of the lock rod piece, which is positioned at the second cabinet body, and the first circular protrusion is used for being matched with the first inclined plane; and/or the number of the groups of groups,

the locking rod piece is located one end of the first cabinet body is provided with a second circular protrusion, and the second circular protrusion is used for being matched with the second inclined plane.

In an alternative embodiment, the first and second brackets are each arcuate in shape.

The beneficial effects of the embodiment of the utility model include:

the double-power-supply incoming line cabinet comprises a first incoming line cabinet, a second incoming line cabinet and a mechanical interlocking device, wherein the first incoming line cabinet comprises a first cabinet body and a first circuit breaker, and the first circuit breaker is slidably arranged in the first cabinet body; the second incoming line cabinet comprises a second cabinet body and a second circuit breaker, the second circuit breaker is slidably arranged in the second cabinet body, and the second cabinet body and the first cabinet body are arranged side by side; the mechanical interlocking device comprises a first bracket, a second bracket and a locking rod piece, wherein the first bracket is arranged in the first cabinet body, the second bracket is arranged in the second cabinet body, and the locking rod piece is movably arranged on the first bracket and the second bracket in a penetrating way; in the case that the first circuit breaker is used for sliding and switching from the test position to the working position, the lock rod piece is actuated, so that the second circuit breaker is locked and cannot slide when the first circuit breaker is in operation; also, in the case where the second circuit breaker is used to slidingly switch from the test position to the operation position, the lock lever member is actuated so that the lock lever member locks the first circuit breaker, so that the first circuit breaker is locked from sliding when the second circuit breaker is in operation. Therefore, no key is needed in the operation and maintenance operation process, repeated door opening is not needed, and training operation flow and posting operation program description are not needed. The dual-power inlet wire cabinet is simple to operate, convenient to overhaul and high in reliability and safety.

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 embodiments 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 a first working condition of a dual-power inlet cabinet according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a second working condition of the dual-power inlet cabinet provided by the embodiment of the utility model;

FIG. 3 is a schematic structural view of a mechanical interlocking device according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a first bracket according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a second bracket according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a first view of a lock bar according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a second view of a lock bar according to an embodiment of the present utility model;

fig. 8 is a schematic diagram of a lock bar, according to an embodiment of the present utility model, in a mating relationship with a first slider and a second slider.

Icon: 100-a dual power inlet wire cabinet; 10-a first incoming line cabinet; 11-a first cabinet; 12-a first circuit breaker; 13-a first slider; 20-a second incoming line cabinet; 21-a second cabinet; 22-a second circuit breaker; 23-a second slider; 231-a first ramp; 30-a mechanical interlock; 31-a first scaffold; 311-a first mounting portion; 312-first bosses; 313-a second mounting portion; 314—a first mounting hole; 32-a second bracket; 321-a third mounting portion; 322-second boss; 323-fourth mount; 324-fourth mounting holes; 33-lock bar piece; 331-locking bar; 3311—first pin holes; 3312-second pin holes; 3313-first circular protrusion; 332-spring; 333-a first spring pin; 334-second spring pin.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As described in the background art, in a 10kV dual power supply line-main-standby power supply mode, in order to ensure the safety and reliability of power supply, the prior art scheme is as follows: two locks and one key (206 JS program lock) are installed on a 10kV handcart type vacuum circuit breaker, and the principle is that two incoming line cabinets are respectively provided with one lock and only provided with one key. The operation process is that a first inlet wire cabinet door is opened, a first circuit breaker handcart is locked at a test position, then a key can be taken down, a second inlet wire cabinet door is opened, a second inlet wire cabinet circuit breaker handcart is unlocked, a second inlet wire cabinet door is closed, and a second circuit breaker is rocked into a working position. However, this mounting means operation is complicated, and the switching once need open two cabinet door operations, and when two inlet wire cabinets are in test position simultaneously, the key can all be taken off, and the key is lost easily this moment, is unfavorable for operation maintenance work at ordinary times, has reduced power supply reliability and security.

Based on this, please refer to fig. 1-8, an embodiment of the present utility model provides a dual-power inlet cabinet 100, which can effectively solve the above-mentioned technical problems, that is, the dual-power inlet cabinet 100 is simple to operate, convenient to overhaul, and capable of improving the reliability and safety of power supply.

Referring to fig. 1 and 2, fig. 1 is a schematic diagram of a first working condition of a dual-power-supply incoming line cabinet 100 provided in the present embodiment, fig. 2 is a schematic diagram of a second working condition of the dual-power-supply incoming line cabinet 100 provided in the present embodiment, and referring to fig. 1 and 2, the dual-power-supply incoming line cabinet 100 includes a first incoming line cabinet 10, a second incoming line cabinet 20 and a mechanical interlocking device 30, the first incoming line cabinet 10 includes a first cabinet body 11 and a first circuit breaker 12, and the first circuit breaker 12 is slidably disposed in the first cabinet body 11; the second incoming line cabinet 20 comprises a second cabinet body 21 and a second breaker 22, the second breaker 22 is slidably arranged in the second cabinet body 21, and the second cabinet body 21 and the first cabinet body 11 are arranged side by side; the mechanical interlocking device 30 comprises a first bracket 31, a second bracket 32 and a lock rod piece 33, wherein the first bracket 31 is arranged in the first cabinet 11, the second bracket 32 is arranged in the second cabinet 21, and the lock rod piece 33 is movably arranged on the first bracket 31 and the second bracket 32 in a penetrating way; in the case where the first circuit breaker 12 is used for sliding switching from the test position to the operation position, the lock lever member 33 is actuated so that the lock lever member 33 locks the second circuit breaker 22, so that when the first circuit breaker 12 is in operation, the second circuit breaker 22 is locked so as not to slide; also, in the case where the second circuit breaker 22 is used to slidingly switch from the test position to the operation position, the lock lever member 33 is actuated so that the lock lever member 33 locks the first circuit breaker 12, so that the first circuit breaker 12 is locked from sliding when the second circuit breaker 22 is in operation.

Therefore, the dual-power inlet wire cabinet 100 does not need to use a key in the operation, and does not need to repeatedly open the door, so that the condition that the key is lost to cause the interlocking failure is avoided, and the operation process is safe; and the operation flow and the posting operation program description are not required to be trained, and the operation is simple. Therefore, the dual-power inlet wire cabinet 100 is simple to operate, convenient to overhaul and high in reliability and safety.

The working position refers to a position where the first breaker 12 or the second breaker 22 is located when the circuit is turned on; the test position refers to the position where the first breaker 12 or the second breaker 22 is located when it breaks the circuit. It is known to those skilled in the art that such a dual power line-on-primary-standby power supply means that one circuit breaker is powered on and then the other circuit breaker cannot be powered on, i.e., both circuit breakers switch back and forth. Therefore, when the first circuit breaker 12 is in the operating position, the second circuit breaker needs to be in the test position; when the second circuit breaker 22 is in the operating position, the first circuit breaker 12 needs to be in the test position.

In addition, the actuation means that the first circuit breaker 12 or the second circuit breaker 22 is contacted with the lock bar member 33, and pushes the lock bar member 33 to move, so that the lock bar member 33 abuts against the second circuit breaker 22 or the first circuit breaker 12, and cannot slide, thereby realizing the locking function.

Further, it will be readily understood by those skilled in the art that the first circuit breaker 12 or the second circuit breaker 22 may be controlled to slide by a cart to complete the switching from the operating position to the test position or vice versa.

Referring to fig. 3, fig. 3 is a schematic structural diagram of a mechanical interlocking device 30 provided in this embodiment, and referring to fig. 2 and 3, a first bracket 31 includes a first mounting portion 311, a first protruding portion 312 and a second mounting portion 313 sequentially connected, and the first mounting portion 311 and the second mounting portion 313 are respectively connected to a first cabinet 11, so that the first bracket 31 is mounted and fixed on an inner wall of the first cabinet 11; the second bracket 32 includes a third mounting portion 321, a second protruding portion 322 and a fourth mounting portion 323 which are sequentially connected, and the third mounting portion 321 and the fourth mounting portion 323 are respectively connected with the second cabinet 21, so that the second bracket 32 is mounted and fixed on the inner wall of the second cabinet 21; the lock lever member 33 is movably inserted through the first protrusion 312 and the second protrusion 322 at the same time, and thus the lock lever member 33 can move left and right, thereby locking the first circuit breaker 12 or the second circuit breaker 22.

In this embodiment, the first bracket 31 and the second bracket 32 are symmetrically arranged side by side, so that the lock bar 33 can horizontally pass through to improve the operation stability.

Specifically, in order to achieve the left-right movement of the lock bar member 33 between the first circuit breaker 12 and the second circuit breaker 22, please refer to fig. 4 and 5, fig. 4 is a schematic structural view of the first bracket 31 provided in the present embodiment, fig. 5 is a schematic structural view of the second bracket 32 provided in the present embodiment, and in combination with fig. 2-5, the first protruding portion 312 is provided with a first mounting hole 314, the first cabinet 11 is provided with a second mounting hole (not shown), the second cabinet 21 is provided with a third mounting hole (not shown), the second protruding portion 322 is provided with a fourth mounting hole 324, and the lock bar member 33 is simultaneously inserted into the first mounting hole 314, the second mounting hole, the third mounting hole and the fourth mounting hole 324.

It is easily understood that the first mounting hole 314, the second mounting hole, the third mounting hole, and the fourth mounting hole 324 are on the same horizontal line, that is, the first mounting hole 314, the second mounting hole, the third mounting hole, and the fourth mounting hole 324 are concentrically arranged, so that the lock bar 33 can horizontally move left and right.

In addition, in the present embodiment, the first mounting portion 311 and the second mounting portion 313 are also provided with mounting holes (not shown) through which bolts pass to fixedly connect the first bracket 31 to the inner wall of the first cabinet 11; similarly, the third mounting portion 321 and the fourth mounting portion 323 are also provided with mounting holes (not shown) for bolts to pass through, and fixedly connect the second bracket 32 to the inner wall of the second cabinet 21. Of course, in other embodiments, the mounting holes may not be provided, and the mounting holes may be directly fixed by welding.

Further, in the present embodiment, the first bracket 31 and the second bracket 32 are both arcuate, that is, the first mounting portion 311 and the second mounting portion 313 are horizontally attached to the inner wall of the first cabinet 11, and similarly, the third mounting portion 321 and the fourth mounting portion 323 are horizontally attached to the inner wall of the second cabinet 21, and at this time, the first protruding portion 312 and the second protruding portion 322 are semi-rectangular protrusions; in other embodiments, the shapes of the first bracket 31 and the second bracket 32 are not limited, and may be semicircular, trapezoidal, etc., so long as the functions of the first bracket and the second bracket can be achieved.

With continued reference to fig. 2 and 3, further, the lock rod member 33 includes a lock rod 331 and a spring 332, the lock rod 331 is movably disposed between the first bracket 31 and the second bracket 32, the spring 332 is sleeved on the lock rod 331, and the lock rod 331 is used for being actuated by the first circuit breaker 12 or the second circuit breaker 22, so as to correspondingly lock the second circuit breaker 22 or the first circuit breaker 12. Specifically, the lock lever 331 is movably disposed through the first protruding portion 312 and the second protruding portion 322, and since the first protruding portion 312 and the second protruding portion 322 protrude toward two ends of the lock lever 331, an inner chamber having a certain space can be formed with inner walls of the first cabinet 11 and the second cabinet 21, and the spring 332 is disposed in the inner chamber.

When the second circuit breaker 22 is slidingly switched from the test position to the working position, the actuating lock lever 331 moves toward the first cabinet 11 and locks the first circuit breaker 12, and the spring 332 is compressed to be elastically deformed; when the second circuit breaker 22 is slidingly switched from the operating position to the test position, the spring 332 is restored to be elastically deformed, and the lock lever 331 is moved toward the second cabinet 21 by the elastic force of the spring 332 and restored to the original state, thereby unlocking the first circuit breaker 12. Therefore, by providing the spring 332, the first circuit breaker 12 or the second circuit breaker 22 can be locked and unlocked.

In order to fix the spring 332 and ensure that the spring 332 is elastically deformed by extrusion, please refer to fig. 6 and 7, fig. 6 is a schematic structural view of a first view of the lock rod member 33 provided in this embodiment, fig. 7 is a schematic structural view of a second view of the lock rod member 33 provided in this embodiment, and in combination with fig. 6 and 7, a first spring pin 333 and a second spring pin 334 are disposed on the lock rod 331 at intervals, the spring 332 is disposed between the first spring pin 333 and the second spring pin 334, and two ends of the spring 332 are respectively connected with the first spring pin 333 and the second spring pin 334; further, the lock lever 331 is further provided with a first pin hole 3311 and a second pin hole 3312 at intervals, the first spring pin 333 is provided to the first pin hole 3311, and the second spring pin 334 is provided to the second pin hole 3312.

In the present embodiment, the spring 332 is fixed by the first spring pin 333 and the second spring pin 334, however, in other embodiments, the first spring pin 333 and the second spring pin 334 may not be provided, and both ends of the spring 332 may be directly welded to the first bracket 31 and the second bracket 32, or both ends of the spring 332 may abut against the first bracket 31 and the second bracket 32, thereby fixing the spring 332.

To facilitate actuation of the lock lever member 33 by the first circuit breaker 12 or the second circuit breaker 22, please further combine fig. 1 and 2, the first incoming cabinet 10 further includes a first slider 13, the first slider 13 is mounted on a side of the first circuit breaker 12 close to the first bracket 31, and the first slider 13 is used for actuating the lock lever member 33 when the first circuit breaker 12 is slidingly switched from the test position to the working position, so that the lock lever member 33 locks the second circuit breaker 22; the second incoming line cabinet 20 further comprises a second slider 23, the second slider 23 is mounted on a side of the second circuit breaker 22 close to the second bracket 32, and the second slider 23 is used for actuating the lock bar 33 when the second circuit breaker 22 is slidingly switched from the test position to the working position, so that the lock bar 33 locks the first circuit breaker 12.

In the present embodiment, the first slider 13 and the second slider 23 are provided for better matching with the first circuit breaker 12 or the second circuit breaker 22 to actuate the lock lever member 33, however, in other embodiments, only the first slider 13 or only the second slider 23 may be provided, and the action of actuating the lock lever member 33 may be achieved.

Further, referring to fig. 8, fig. 8 is a schematic diagram of the matching relationship between the lock bar 33 and the first slider 13 and the second slider 23 provided in this embodiment, and referring to fig. 1, fig. 2, and fig. 8, one end of the second slider 23 near the lock bar 33 is provided with a first inclined plane 231, and the first inclined plane 231 is used for pushing the lock bar 33 to move towards the first circuit breaker 12 when the second circuit breaker 22 is slidingly switched from the test position to the working position, so that the lock bar 33 locks the first circuit breaker 12. Specifically, in the present embodiment, when both the first circuit breaker 12 and the second circuit breaker 22 are in the test positions, one end of the lock bar 33 is located directly above the first inclined surface 231, and the other end of the lock bar 33 is not in contact with the first slider 13, that is, the first circuit breaker 12 is freely slidable; when the first circuit breaker 12 is slidingly switched from the test position to the working position, the first slider 13 can abut against the lock bar member 33, and at this time, the lock bar member 33 cannot move left and right, so that the second circuit breaker 22 cannot slide, and the second circuit breaker 22 is locked; when the first circuit breaker 12 is in the test position and the second circuit breaker 22 is slidingly switched from the test position to the working position, the first inclined surface 231 pushes the lock bar 33 to move towards the first circuit breaker 12, and the second sliding block 23 can abut against the lock bar 33, at this time, the lock bar 33 cannot move left and right, so that the first circuit breaker 12 cannot slide, and the first circuit breaker 12 is locked.

It should be noted that, in other embodiments, only the second inclined surface (not shown) may be provided on the first slider 13, and when both the first circuit breaker 12 and the second circuit breaker 22 are in the test positions, one end of the lock bar member 33 will be located directly above the second inclined surface, and the other end of the lock bar member 33 is not in contact with the second slider 23; or the first slider 13 and the second slider 23 are respectively provided with inclined planes, and at this time, two ends of the lock bar member 33 are respectively located right above the first inclined plane 231 and the second inclined plane.

In order to better push the lock bar 33 to move towards the first breaker 12 or the second breaker 22, please further combine fig. 8, one end of the lock bar 33 located on the second cabinet 21 is provided with a first circular protrusion 3313, the first circular protrusion 3313 is used to cooperate with the first inclined plane 231, and by setting a circular arc to cooperate with the first inclined plane 231, the contact area and friction force can be reduced, so that the lock bar 33 can be pushed to move more easily.

Similarly, in other embodiments, a second circular protrusion (not shown) may be disposed only at one end of the lock lever member 33 located on the first cabinet 11, or a first circular protrusion 3313 and a second circular protrusion may be disposed at two ends of the lock lever member 33, respectively.

In summary, the embodiment of the present utility model provides a dual-power incoming cabinet 100, where the dual-power incoming cabinet 100 includes a first incoming cabinet 10, a second incoming cabinet 20 and a mechanical interlocking device 30, the first incoming cabinet 10 includes a first cabinet body 11 and a first circuit breaker 12, and the first circuit breaker 12 is slidably disposed in the first cabinet body 11; the second incoming line cabinet 20 comprises a second cabinet body 21 and a second breaker 22, the second breaker 22 is slidably arranged in the second cabinet body 21, and the second cabinet body 21 and the first cabinet body 11 are arranged side by side; the mechanical interlocking device 30 comprises a first bracket 31, a second bracket 32 and a lock rod piece 33, wherein the first bracket 31 is arranged in the first cabinet 11, the second bracket 32 is arranged in the second cabinet 21, and the lock rod piece 33 is movably arranged on the first bracket 31 and the second bracket 32 in a penetrating way; in the case where the first circuit breaker 12 is used for sliding switching from the test position to the operation position, the lock lever member 33 is actuated so that the lock lever member 33 locks the second circuit breaker 22, so that when the first circuit breaker 12 is in operation, the second circuit breaker 22 is locked so as not to slide; also, in the case where the second circuit breaker 22 is used to slidingly switch from the test position to the operation position, the lock lever member 33 is actuated so that the lock lever member 33 locks the first circuit breaker 12, so that the first circuit breaker 12 is locked from sliding when the second circuit breaker 22 is in operation. Therefore, the dual-power inlet wire cabinet 100 does not need to use a key in the operation, and does not need to repeatedly open the door, so that the condition that the key is lost to cause the interlocking failure is avoided, and the operation process is safe; and the operation flow and the posting operation program description are not required to be trained, and the operation is simple. Therefore, the dual-power inlet wire cabinet 100 is simple to operate, convenient to overhaul and high in reliability and safety.

Meanwhile, the arrangement of the first sliding block 13 and the second sliding block 23 can facilitate the first circuit breaker 12 or the second circuit breaker 22 to actuate the lock bar 33, the first inclined surface 231 on the second sliding block 23 is matched with the first circular protrusion 3313 of the lock bar 33, so that the contact area and the friction force are reduced, and the lock bar 33 can be pushed to move more easily.

The above description is only of specific embodiments of the utility model and is not intended to limit the utility model, but various modifications and variations can be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A dual power inlet wire cabinet, characterized by comprising:

the wire inlet cabinet comprises a first wire inlet cabinet (10), wherein the first wire inlet cabinet (10) comprises a first cabinet body (11) and a first circuit breaker (12), and the first circuit breaker (12) is slidably arranged in the first cabinet body (11);

the second incoming line cabinet (20), the second incoming line cabinet (20) comprises a second cabinet body (21) and a second circuit breaker (22), the second circuit breaker (22) is slidably arranged in the second cabinet body (21), and the second cabinet body (21) and the first cabinet body (11) are arranged side by side; and

the mechanical interlocking device (30), the mechanical interlocking device (30) comprises a first bracket (31), a second bracket (32) and a lock rod piece (33), the first bracket (31) is installed in the first cabinet body (11), the second bracket (32) is installed in the second cabinet body (21), and the lock rod piece (33) is movably arranged in the first bracket (31) and the second bracket (32) in a penetrating mode at the same time;

wherein the first circuit breaker (12) is adapted to actuate the locking lever member (33) in case of a sliding switch from a test position to an operating position, such that the locking lever member (33) locks the second circuit breaker (22); the second circuit breaker (22) is adapted to actuate the locking lever member (33) in case of a sliding switch from a test position to an operating position, such that the locking lever member (33) locks the first circuit breaker (12).

2. The dual power inlet cabinet according to claim 1, wherein the first bracket (31) comprises a first mounting portion (311), a first protruding portion (312) and a second mounting portion (313) which are sequentially connected, and the first mounting portion (311) and the second mounting portion (313) are respectively connected with the first cabinet body (11); the second bracket (32) comprises a third installation part (321), a second bulge part (322) and a fourth installation part (323) which are sequentially connected, and the third installation part (321) and the fourth installation part (323) are respectively connected with the second cabinet body (21); the lock rod piece (33) is movably arranged on the first protruding part (312) and the second protruding part (322) in a penetrating mode.

3. The dual power inlet wire cabinet according to claim 2, wherein the first protruding portion (312) is provided with a first mounting hole (314), the first cabinet body (11) is provided with a second mounting hole, the second cabinet body (21) is provided with a third mounting hole, the second protruding portion (322) is provided with a fourth mounting hole (324), and the lock rod member (33) is simultaneously arranged in the first mounting hole (314), the second mounting hole, the third mounting hole and the fourth mounting hole (324) in a penetrating manner.

4. The dual power inlet cabinet according to claim 1, wherein the lock rod member (33) comprises a lock rod (331) and a spring (332), the lock rod (331) is movably arranged on the first bracket (31) and the second bracket (32) in a penetrating manner, the spring (332) is arranged between the first bracket (31) and the second bracket (32), and the spring (332) is sleeved on the lock rod (331); the lock lever (331) is used for being actuated by the first circuit breaker (12) or the second circuit breaker (22) so as to correspondingly lock the second circuit breaker (22) or the first circuit breaker (12).

5. The dual power inlet cabinet according to claim 4, wherein a first spring pin (333) and a second spring pin (334) are arranged on the lock rod (331) at intervals, the spring (332) is arranged between the first spring pin (333) and the second spring pin (334), and two ends of the spring (332) are respectively connected with the first spring pin (333) and the second spring pin (334).

6. The dual power inlet cabinet of claim 5, wherein the lock rod (331) is provided with a first pin hole (3311) and a second pin hole (3312) at intervals, the first spring pin (333) is provided in the first pin hole (3311), and the second spring pin (334) is provided in the second pin hole (3312).

7. Double power inlet cabinet according to claim 1, characterized in that the first inlet cabinet (10) further comprises a first slider (13), the first slider (13) being mounted on the side of the first circuit breaker (12) close to the first bracket (31), the first slider (13) being used for actuating the locking lever member (33) in case the first circuit breaker (12) is slidingly switched from a test position to an operating position, such that the locking lever member (33) locks the second circuit breaker (22); and/or the number of the groups of groups,

the second incoming line cabinet (20) further comprises a second sliding block (23), the second sliding block (23) is mounted on one side, close to the second support (32), of the second circuit breaker (22), and the second sliding block (23) is used for actuating the locking rod piece (33) when the second circuit breaker (22) is slidingly switched to the working position from the test position, so that the locking rod piece (33) locks the first circuit breaker (12).

8. The dual power inlet cabinet according to claim 7, characterized in that one end of the second slider (23) close to the lock bar member (33) is provided with a first inclined surface (231), and the first inclined surface (231) is used for pushing the lock bar member (33) to move towards the first circuit breaker (12) when the second circuit breaker (22) is slidingly switched from the test position to the working position, so that the lock bar member (33) locks the first circuit breaker (12); and/or the number of the groups of groups,

the first slider (13) is provided with a second inclined plane near one end of the lock rod piece (33), and the second inclined plane is used for pushing the lock rod piece (33) to move towards the second circuit breaker (22) under the condition that the first circuit breaker (12) is slidingly switched to the working position from the test position, so that the lock rod piece (33) locks the second circuit breaker (22).

9. The dual power inlet cabinet according to claim 8, wherein a first circular protrusion (3313) is provided at one end of the locking bar member (33) located at the second cabinet body (21), and the first circular protrusion (3313) is configured to cooperate with the first inclined surface (231); and/or the number of the groups of groups,

one end of the lock rod piece (33) located on the first cabinet body (11) is provided with a second circular protrusion, and the second circular protrusion is used for being matched with the second inclined plane.

10. Double power inlet cabinet according to claim 1, characterized in that the first bracket (31) and the second bracket (32) are both arcuate in shape.