CN113690750A - Mechanical interlocking structure between movable incoming cabinet and fixed metering cabinet - Google Patents

Mechanical interlocking structure between movable incoming cabinet and fixed metering cabinet Download PDF

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Publication number
CN113690750A
CN113690750A CN202110883155.4A CN202110883155A CN113690750A CN 113690750 A CN113690750 A CN 113690750A CN 202110883155 A CN202110883155 A CN 202110883155A CN 113690750 A CN113690750 A CN 113690750A
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CN
China
Prior art keywords
cabinet
door
front door
locking
metering
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Granted
Application number
CN202110883155.4A
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Chinese (zh)
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CN113690750B (en
Inventor
陆基权
李强
梁海
张华丽
陈真喜
宋来健
幸树生
谢贵云
游灿华
叶华驹
宋来泉
李林承
彭日荣
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Guangdong Youyes Electric Co ltd
Original Assignee
Guangdong Youyes Electric Co ltd
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Priority to CN202110883155.4A priority Critical patent/CN113690750B/en
Publication of CN113690750A publication Critical patent/CN113690750A/en
Application granted granted Critical
Publication of CN113690750B publication Critical patent/CN113690750B/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/308Mounting of cabinets together
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/32Mounting of devices therein
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/38Hinged covers or doors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00Switchgear having carriage withdrawable for isolation
    • H02B11/12Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
    • H02B11/167Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Patch Boards (AREA)

Abstract

The invention discloses a mechanical interlocking structure between a movable-type wire inlet cabinet and a fixed-type metering cabinet, wherein in the mechanical interlocking structure, a front cabinet door can be closed only by prying a front door interlocking stop lever to withdraw through a front door interlocking stop lever by closing a rear cabinet door and pressing a front door pressure lever in a front door safety mechanism downwards by closing the front cabinet door, so that the wire inlet cabinet can be pushed to be connected with the metering cabinet only by rotating a front door L-shaped connecting piece to retract the wire inlet cabinet stop lever, and the mechanical interlocking structure is structurally arranged to standardize the assembly between the metering cabinet and the wire inlet cabinet and ensure that the front cabinet door and the rear cabinet door at two ends of the metering cabinet are closed to complete the connection, so that the integral use safety of a switch cabinet can be better improved.

Description

Mechanical interlocking structure between movable incoming cabinet and fixed metering cabinet
Technical Field
The invention belongs to the technical field of switch cabinets, and particularly relates to a mechanical interlocking structure between a movable incoming line cabinet and a fixed metering cabinet.
Background
The switch cabinet is a common power distribution device in an electric power system, generally comprises a cabinet body, a circuit breaker, a disconnecting switch and other mechanisms, and the safety is one of the most important technical indexes of the switch cabinet.
In the use of the switch cabinet, in order to prevent potential safety hazards such as mistaken opening and closing of a circuit breaker, prevention of opening and closing of an isolating switch with load, prevention of mistaken entering of a live interval and the like, a mechanical interlocking mechanism or an electrical interlocking mechanism needs to be arranged in the switch cabinet, and in the existing switch cabinet manufacturing, in order to achieve an interlocking function among actions among the circuit breaker, the isolating switch and a cabinet door, a plurality of sets of interlocking mechanisms need to be arranged generally, so that the structure is complex, and the operation is complex.
Mechanical interlocking structure in current cubical switchboard can realize the interlocking between inlet wire cabinet and the measurement cabinet after inlet wire cabinet and measurement cabinet assembly are accomplished to prevent the mistake roll-off of measurement cabinet and inlet wire cabinet in the use, its security that often can't feed back the user state of cubical switchboard through interlocking structure each other, can't play warning and safeguard effect to other maloperation of operator, its security remains further promotion.
Disclosure of Invention
The invention mainly aims to provide a mechanical interlocking structure between a movable incoming line cabinet and a fixed metering cabinet, which can provide more intelligent use scene protection while the metering cabinet and the incoming line cabinet are interlocked, so as to further improve the use safety of a switch cabinet.
According to the embodiment of the first aspect of the invention, a mechanical interlocking structure between a movable incoming cabinet and a fixed metering cabinet is provided, which comprises a fixedly arranged metering cabinet and a movable incoming cabinet, wherein the incoming cabinet is arranged at one side of the metering cabinet, and the incoming cabinet can move to connect or disconnect the metering cabinet; the measuring cabinet is characterized in that a front cabinet door and a rear cabinet door are respectively hinged to two ends of the measuring cabinet, a front door safety mechanism is arranged on the side wall of the front cabinet door, a rear door safety mechanism is arranged on the side wall of the rear cabinet door, and the rear door safety mechanism interlocks the front door safety mechanism; the rear door safety mechanism comprises a first rear door connecting rod transversely arranged along the inner wall of the metering cabinet, the rear end of the first rear door connecting rod extends out of the metering cabinet, the front end of the first rear door connecting rod is connected with one end of a front door interlocking lever, the middle part of the front door interlocking lever is hinged, and the other end of the front door interlocking lever is connected with a front door interlocking stop lever; the front door safety mechanism comprises a front door L-shaped connecting piece, a wire inlet cabinet stop lever and a metering cabinet front door pressure lever vertically extending out of a front door of the metering cabinet, wherein the corner part of the front door L-shaped connecting piece is hinged, the wire inlet cabinet stop lever is laterally arranged, the front door L-shaped connecting piece comprises a front door vertical folding part and a front door transverse folding part which are connected in an L shape, the front door vertical folding part is vertically extended and connected with the wire inlet cabinet stop lever, and the front door transverse folding part is transversely extended to the inner side of the end part of the metering cabinet front door pressure lever; the front door interlocking stop lever has a first state that extends to the rear side of the front door L-shaped connecting piece to stop the front door L-shaped connecting piece from rotating, and has a second state that is retracted to the outer end of the front door L-shaped connecting piece.
According to the mechanical interlocking structure between the movable incoming line cabinet and the fixed metering cabinet, a front door locking mechanism and a rear door locking mechanism are further arranged on the inner side of the metering cabinet, the front door locking mechanism is located on the inner side of the front cabinet door, the rear door locking mechanism is located on the inner side of the rear cabinet door, a second rear door connecting rod used for linkage is connected between the front door locking mechanism and the rear door locking mechanism, and the front door locking mechanism is triggered to be linked with the rear door locking mechanism after the incoming line cabinet is pushed so as to lock the front cabinet door and the rear cabinet door.
According to the mechanical interlocking structure between the movable type wire inlet cabinet and the fixed type metering cabinet, wire inlet cabinet pressure points are arranged on the side wall of the wire inlet cabinet, each wire inlet cabinet pressure point comprises a pressure point support, and a wire inlet cabinet pressure rod and a pressure point warping rod which are respectively hinged to the pressure point supports, the wire inlet cabinet pressure rods and the pressure point warping rods are arranged at intervals with the hinged points of the pressure point supports, the ends of the wire inlet cabinet pressure rods and the pressure point warping rods are hinged and connected, and the other ends of the pressure point warping rods are connected with front cabinet door lock rods which are transversely telescopic.
According to the mechanical interlocking structure between the movable incoming line cabinet and the fixed metering cabinet, the front door locking mechanism comprises a front door L-shaped locking connecting piece, the corner of the front door L-shaped locking connecting piece is hinged and installed, the front door L-shaped locking connecting piece comprises a vertically arranged front door vertical locking stop part and a transversely arranged front door transverse locking stop part, the front door vertical locking stop part is connected with the front cabinet door lock rod, and the front door transverse locking stop part is connected with the end part of the second rear door connecting rod.
According to the mechanical interlocking structure between the movable incoming cabinet and the fixed metering cabinet, the rear door locking mechanism comprises a rear door L-shaped locking connecting piece, the corner of the rear door L-shaped locking connecting piece is hinged to be installed, the rear door L-shaped locking connecting piece comprises a rear door vertical locking stop part and a rear door transverse locking stop part, the rear door vertical locking stop part is vertically arranged, the rear door transverse locking stop part is transversely arranged, the rear door vertical locking stop part is connected with a rear cabinet door lock rod, the rear door transverse locking stop part is connected with the end part of the second rear door connecting rod, and the rear cabinet door lock rod is transversely arranged on the inner side of the rear end of the metering cabinet.
According to the mechanical interlocking structure between the movable incoming cabinet and the fixed metering cabinet in the embodiment of the first aspect of the invention, the second rear door connecting rod is arranged along the inner side wall of the metering cabinet in a sliding manner, and the inner side wall of the metering cabinet is provided with an inner wall support for supporting the second rear door connecting rod to slide.
According to the mechanical interlocking structure between the movable incoming line cabinet and the fixed metering cabinet, a first telescopic bracket is further arranged on the side wall of the inner side of the metering cabinet, the first telescopic bracket is directly arranged in a U shape with a lateral opening, a first telescopic spring is arranged in the first telescopic bracket, a first rear door connecting rod penetrates through the first telescopic bracket and the first telescopic spring, and a first spring pressing piece radially penetrating through the first rear door connecting rod is arranged on the first rear door connecting rod.
According to the mechanical interlocking structure between the movable wire inlet cabinet and the fixed metering cabinet, a rear door safety support and a front door safety support are further arranged on the inner side wall of the metering cabinet, a rear door safety telescopic baffle is arranged on the rear door safety support, a second telescopic spring is arranged between the rear door safety telescopic baffle and the rear door safety support, the front door interlocking stop lever penetrates through the rear door safety support, the second telescopic spring and the rear door safety telescopic baffle, and a second spring pressing piece which radially penetrates through the front door interlocking stop lever is further arranged on the front door interlocking stop lever; the front door safety retractable baffle is arranged on the front door safety support, a third retractable spring is built on the front door safety retractable baffle and the front door safety support, the front door pressure lever of the metering cabinet penetrates through the front door safety support, the third retractable spring and the front door safety retractable baffle, and a third spring pressing piece which penetrates through the front door pressure lever of the metering cabinet in the radial direction is arranged on the front door pressure lever of the metering cabinet.
According to the mechanical interlocking structure between the movable incoming cabinet and the fixed metering cabinet, a fourth telescopic spring is installed on the side face of the pressure point warping rod, and the door lock rod of the front cabinet penetrates through the pressure point warping rod and the fourth telescopic spring and then extends into one side where the metering cabinet is installed.
According to the mechanical interlocking structure between the movable incoming cabinet and the fixed metering cabinet, a fifth telescopic spring is arranged between the rear door vertical locking stop part and the side wall of the metering cabinet, and the rear cabinet door lock rod penetrates through the rear door vertical locking stop part and the fifth telescopic spring.
One of the above technical solutions of the present invention has at least one of the following advantages or beneficial effects:
among this mechanical interlocking structure between moving-apart inlet wire cabinet and fixed measurement cabinet, need to come to prize through qianmen interlocking lever and move qianmen interlocking pin through closing the first back door connecting rod of back cabinet door in order to push down, just can close the front cabinet door, and need push down the measurement cabinet qianmen depression bar in the qianmen insurance mechanism through closing the front cabinet door, rotate through qianmen L type connecting piece and shrink inlet wire cabinet pin, just can make the inlet wire cabinet impel in order to connect the measurement cabinet, this mechanical interlocking structure is through the structure setting with the equipment between standard measurement cabinet and inlet wire cabinet, and guarantee the preceding cabinet door and the back cabinet door at measurement cabinet both ends and must close just can accomplish the connection, thereby can promote the security of cubical switchboard whole use better.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
FIG. 1 is a schematic structural view of the front door safety mechanism and the rear door safety mechanism portions of the mechanical interlocking structure of the present invention;
FIG. 2 is a detailed structural schematic diagram of the front door locking mechanism and the rear door locking mechanism in the present invention;
FIG. 3 is a detailed structural diagram of a wire inlet cabinet pressure point according to an embodiment of the present invention;
fig. 4 is a detailed structural schematic diagram of the front door safety mechanism in the embodiment of the invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, and may be, for example, a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other elements or indirectly connected through one or more other elements or in an interactive relationship between two elements.
The following disclosure provides many different embodiments, or examples, for implementing different aspects of the invention.
Referring to fig. 1 to 4, a mechanical interlocking structure between a removable inlet cabinet and a fixed inlet cabinet is provided, including a fixed metering cabinet 1000 and a movable inlet cabinet 2000, the inlet cabinet 2000 is disposed at one side of the metering cabinet 1000, and the inlet cabinet 2000 is movable to connect or disconnect the metering cabinet 1000; the two ends of the metering cabinet 1000 are respectively hinged with a front cabinet door 1100 and a rear cabinet door 1200, the side wall of the front cabinet door 1100 is provided with a front door safety mechanism 100, the side wall of the rear cabinet door 1200 is provided with a rear door safety mechanism 200, and the rear door safety mechanism 200 interlocks the front door safety mechanism 100; the rear door safety mechanism 200 comprises a first rear door connecting rod 210 transversely arranged along the inner wall of the metering cabinet 1000, the rear end of the first rear door connecting rod 210 extends out of the metering cabinet 1000, the front end of the first rear door connecting rod 210 is connected with one end of a front door interlocking lever 220, the middle part of the front door interlocking lever 220 is hinged, and the other end of the front door interlocking lever 220 is connected with a front door interlocking stop lever 230; the front door safety mechanism 100 comprises a front door L-shaped connecting piece 110, a wire inlet cabinet stop lever 120 and a measuring cabinet front door pressure lever 130 vertically extending out of a front cabinet door 1100, the corner of the front door L-shaped connecting piece 110 is hinged and installed, the wire inlet cabinet stop lever 120 is laterally arranged, the front door L-shaped connecting piece 110 comprises a front door vertical folding part and a front door transverse folding part which are connected in an L shape, the front door vertical folding part is connected with the wire inlet cabinet stop lever 120 along the vertical extension, and the front door transverse folding part extends to the inner side of the end part of the measuring cabinet front door pressure lever 130 along the transverse extension; the front door interlock bar 230 has a first state extended to the rear side of the front door L-shaped link 110 to block the rotation of the front door L-shaped link 110, and the front door interlock bar 230 has a second state retracted to the outer end of the front door L-shaped link 110.
In some embodiments of the present invention, a front door locking mechanism 300 located inside the front cabinet door 1100 and a rear door locking mechanism 400 located inside the rear cabinet door 1200 are further disposed inside the metering cabinet 1000, a second rear door link 410 for linkage is connected between the front door locking mechanism 300 and the rear door locking mechanism 400, and the inlet cabinet 2000 is pushed to trigger the front door locking mechanism 300 to link the rear door locking mechanism 400 to lock the front cabinet door 1100 and the rear cabinet door 1200.
In some embodiments of the present invention, a wire inlet cabinet pressure point 500 is disposed on a side wall of the wire inlet cabinet 2000, the wire inlet cabinet pressure point 500 includes a pressure point support 510, and a wire inlet cabinet pressure bar 520 and a pressure point tilted bar 530 respectively hinged to the pressure point support 510, hinge points of the wire inlet cabinet pressure bar 520 and the pressure point tilted bar 530 and the pressure point support 510 are disposed at intervals, ends of the wire inlet cabinet pressure bar 520 and the pressure point tilted bar 530 are hinged, and the other end of the pressure point tilted bar 530 is connected to a front cabinet door lock bar 540 that is laterally retractable.
In some embodiments of the present invention, the front door locking mechanism 300 includes a front door L-shaped locking connector 310, corners of the front door L-shaped locking connector 310 are hinged to each other, the front door L-shaped locking connector 310 includes a vertically arranged front door vertical locking stop part and a horizontally arranged front door horizontal locking stop part, the front door vertical locking stop part is connected to the front cabinet door locking lever 540, and the front door horizontal locking stop part is connected to an end of the second rear door connecting rod 410.
In some embodiments of the present invention, the back door locking mechanism 400 includes a back door L-shaped locking connector 410, corners of the back door L-shaped locking connector 410 are hinged, the back door L-shaped locking connector 410 includes a vertically arranged back door vertical locking stop and a horizontally arranged back door horizontal locking stop, the back door vertical locking stop is connected to the back cabinet door locking rod 420, the back door horizontal locking stop is connected to an end of the second back door connecting rod 410, and the back cabinet door locking rod 420 is horizontally arranged inside the back end of the measuring cabinet 1000.
In some embodiments of the present invention, the second rear door link 410 is slidably disposed along an inner sidewall of the measurement cabinet 1000, and the inner sidewall of the measurement cabinet 1000 is provided with an inner wall support 430 for supporting the second rear door link 410 to slide.
In some embodiments of the present invention, a first telescopic bracket 240 is further disposed on an inner side wall of the measuring cabinet 1000, the first telescopic bracket is directly disposed in a U shape with a lateral opening, a first telescopic spring 241 is disposed in the first telescopic bracket 240, the first rear door link 210 is disposed through the first telescopic bracket 240 and the first telescopic spring 241, and a first spring pressing member radially penetrating through the first rear door link 210 is disposed on the first rear door link 210.
In some embodiments of the present invention, the inner side wall of the metering cabinet 1000 is further provided with a rear door safety bracket 250 and a front door safety bracket 140, the rear door safety bracket 250 is provided with a rear door safety retractable baffle 251, a second retractable spring 252 is arranged between the rear door safety retractable baffle 251 and the rear door safety bracket 250, the front door interlocking stop lever 230 is arranged to penetrate through the rear door safety bracket 250, the second retractable spring 252 and the rear door safety retractable baffle 251, and the front door interlocking stop lever 230 is further provided with a second spring pressing piece radially penetrating through the front door interlocking stop lever 230; a front door safety retractable baffle 141 is arranged on the front door safety bracket 140, a third retractable spring 142 is built on the front door safety retractable baffle 141 and the front door safety bracket 140, the metering cabinet front door pressure lever 130 penetrates through the front door safety bracket 140, the third retractable spring 142 and the front door safety retractable baffle 141, and a third spring pressing piece which radially penetrates through the metering cabinet front door pressure lever 130 is arranged on the metering cabinet front door pressure lever 130.
In some embodiments of the present invention, a fourth extension spring 541 is installed at a side of the pressure point tilting rod 530, and the front cabinet door lock rod 540 passes through the pressure point tilting rod 530 and the fourth extension spring 541 and then extends into a side where the measuring cabinet 1000 is installed.
In some embodiments of the present invention, a fifth telescopic spring 421 is installed between the vertical locking stop of the back door and the side wall of the measurement cabinet 1000, and the door lock rod 420 of the back cabinet is disposed through the vertical locking stop of the back door and the fifth telescopic spring 421.
In the mechanical interlocking structure between the movable type incoming line cabinet and the fixed type metering cabinet, the front cabinet door 1100 can be closed only by closing the rear cabinet door 1200 and pressing down the first rear door connecting rod 210 to pry the front door interlocking stop lever 230 for retraction through the front door interlocking lever 220, and the metering cabinet front door pressure lever 130 in the front door safety mechanism 100 needs to be pressed down by closing the front cabinet door 1100, so that the incoming line cabinet stop lever 120 is contracted through the rotation of the front door L-shaped connecting piece 110, and the incoming line cabinet 2000 can be pushed to be connected with the metering cabinet 1000, the mechanical interlocking structure is arranged through the structure to standardize the assembly between the metering cabinet 1000 and the incoming line cabinet 2000, and the connection can be completed only by ensuring that the front cabinet door 1100 and the rear cabinet door 1200 at the two ends of the metering cabinet 1000 are closed, so that the safety of the whole use of the switch cabinet can be better improved.
This mechanical interlocking structure between measurement cabinet 1000 and inlet wire cabinet 2000, when carrying out the propulsion connection installation of inlet wire cabinet 2000, need first to close back cabinet door 1200, when back cabinet door 1200 is closed, can push down the tip of first back door connecting rod 210 through one side of back cabinet door 1200 for first back door connecting rod 210 slides along the inside lateral wall of measurement cabinet 1000, promote the qianmen interlocking lever 220 that is located qianmen one side through the other end of first back door connecting rod 210, qianmen interlocking lever 220 rotates around the pin joint, with the shrink of the qianmen interlocking gear lever 230 that prizes to be located qianmen interlocking lever 220 other end.
When the rear cabinet door 1200 is not closed, the first extension spring 241 is not pulled, and at this time, the front door interlock bar 230 extends to the rear side of the front door L-shaped link 110 on the front door safety mechanism 100, and may block the rotation of the front door L-shaped link 110.
After the rear cabinet door 1200 is closed, the front door interlock lever 220 rotates to allow the front door interlock bar 230 to retract, opening the rear space of the front door L-shaped link 110, allowing the front door L-shaped link 110 to rotate about the hinge point, at which time the front cabinet door 1100 can be closed.
When the front cabinet door 1100 is closed, one side of the front cabinet door 1100 presses down the front door pressure lever 130 of the metering cabinet, the front door pressure lever 130 of the metering cabinet is pressed and moves backwards, and the front door pressure lever is contracted towards the inside of the metering cabinet 1000, so that the front door L-shaped connecting piece 110 is driven to rotate, the wire inlet cabinet stop lever 120 is driven to be contracted to enter the side of the metering cabinet 1000, and the blockage of the wire inlet cabinet 2000 on the right side is avoided.
When the front cabinet door 1100 is not closed, the wire inlet cabinet blocking rod 120 transversely penetrates into the side of the wire inlet cabinet 2000 on the right side from the side of the metering cabinet 1000 to block the wire inlet cabinet 2000, so that the wire inlet cabinet 2000 can be prevented from being pushed in when the front cabinet door 1100 is not closed.
Therefore, after the rear cabinet door 1200 is closed first and then the front cabinet door 1100 is closed, the flow for pushing the incoming line cabinet 2000 can be standardized by the front door safety mechanism 100 and the rear door safety mechanism 200, and before any step is not completed, the next step cannot be completed, so that the connection and installation are standardized, and the connection safety can be better guaranteed.
During the process of pushing the inlet cabinet 2000 into connection with the meter cabinet 1000, the side of the inlet cabinet 2000 triggers the inlet cabinet pressure point 500.
In the process of pushing the inlet wire cabinet 2000, the inlet wire cabinet pressure lever 520 in the inlet wire cabinet pressure point 500 is pressed down, so that the connection between the inlet wire cabinet pressure lever 520 and the pressure point tilting lever 530 hinged to each other is pushed up to the outside, and the other end of the pressure point tilting lever 530 is pressed down, and the front cabinet door lock lever 540 can be driven to move transversely to be inserted into the side surface of the front cabinet door 1100, so as to lock the front cabinet door 1100.
When the front cabinet door lock rod 540 moves horizontally, the front door L-shaped locking connector 310 can be driven to rotate around the hinge point, the second rear door link 410 is pushed by the other side of the front door L-shaped locking connector 310 to slide along the inner side wall of the measuring cabinet 1000, and the rear door locking mechanism 400 is pushed by the other end of the second rear door link 410 to lock the rear cabinet door 1200.
The distal end of the second back door link 410 pushes the back door L-shaped locking link 410 to rotate around the hinge point, and the other end of the accessible back door L-shaped locking link 410 pulls the back cabinet door locking lever 420 to slide laterally to insert into the side wall of the back cabinet door 1200, locking the back cabinet door 1200.
In the interlocking structure of the metering cabinet 1000 and the inlet cabinet 2000, when the inlet cabinet 2000 is pushed to be connected, the inlet cabinet 2000 can be pushed to be connected only after the rear cabinet door 1200 is closed and the front cabinet door 1100 is closed once, and after the inlet cabinet 2000 is pushed to be connected, the front cabinet door 1100 and the rear cabinet door 1200 can be automatically locked through the front door locking mechanism 300 and the rear door locking mechanism 400, so that the connection and the use safety of the switch cabinet can be optimally guaranteed.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. Mechanical interlocking structure between formula incoming line cabinet and fixed measurement cabinet of removing, its characterized in that includes:
the wire inlet cabinet is arranged on one side of the metering cabinet and can move to connect or disconnect the metering cabinet;
the measuring cabinet is characterized in that a front cabinet door and a rear cabinet door are respectively hinged to two ends of the measuring cabinet, a front door safety mechanism is arranged on the side wall of the front cabinet door, a rear door safety mechanism is arranged on the side wall of the rear cabinet door, and the rear door safety mechanism interlocks the front door safety mechanism;
the rear door safety mechanism comprises a first rear door connecting rod transversely arranged along the inner wall of the metering cabinet, the rear end of the first rear door connecting rod extends out of the metering cabinet, the front end of the first rear door connecting rod is connected with one end of a front door interlocking lever, the middle part of the front door interlocking lever is hinged, and the other end of the front door interlocking lever is connected with a front door interlocking stop lever;
the front door safety mechanism comprises a front door L-shaped connecting piece, a wire inlet cabinet stop lever and a metering cabinet front door pressure lever vertically extending out of a front door of the metering cabinet, wherein the corner part of the front door L-shaped connecting piece is hinged, the wire inlet cabinet stop lever is laterally arranged, the front door L-shaped connecting piece comprises a front door vertical folding part and a front door transverse folding part which are connected in an L shape, the front door vertical folding part is vertically extended and connected with the wire inlet cabinet stop lever, and the front door transverse folding part is transversely extended to the inner side of the end part of the metering cabinet front door pressure lever;
the front door interlocking stop lever has a first state that extends to the rear side of the front door L-shaped connecting piece to stop the front door L-shaped connecting piece from rotating, and has a second state that is retracted to the outer end of the front door L-shaped connecting piece.
2. The mechanical interlocking structure between the removable inlet cabinet and the fixed metering cabinet according to claim 1, wherein: the inner side of the metering cabinet is further provided with a front door locking mechanism located on the inner side of the front cabinet door and a rear door locking mechanism located on the inner side of the rear cabinet door, a second rear door connecting rod used for linkage is connected between the front door locking mechanism and the rear door locking mechanism, and the incoming cabinet is pushed to trigger the front door locking mechanism to link with the rear door locking mechanism so as to lock the front cabinet door and the rear cabinet door.
3. The mechanical interlocking structure between the removable inlet cabinet and the fixed metering cabinet according to claim 2, wherein: lie in the lateral wall of inlet wire cabinet is equipped with inlet wire cabinet pressure point, inlet wire cabinet pressure point including press some support with respectively articulated install in the inlet wire cabinet depression bar of pressure some support with press some to stick up the pole, inlet wire cabinet depression bar with press some to stick up the pole with the pin joint interval of pressure some support sets up, inlet wire cabinet depression bar links to each other with the tip of pressing some to stick up the pole is articulated, press some to stick up the other end of pole and connect and the preceding cabinet door locking lever of horizontal flexible.
4. The mechanical interlocking structure between the removable inlet cabinet and the fixed metering cabinet according to claim 3, wherein: the front door locking mechanism comprises a front door L-shaped locking connecting piece, the corner of the front door L-shaped locking connecting piece is installed in a hinged mode, the front door L-shaped locking connecting piece comprises a vertically arranged front door vertical locking blocking portion and a transversely arranged front door transverse locking blocking portion, the front door vertical locking blocking portion is connected with the front cabinet door locking rod, and the front door transverse locking blocking portion is connected with the end portion of the second rear door connecting rod.
5. The mechanical interlocking structure between the removable inlet cabinet and the fixed metering cabinet according to claim 4, wherein: the back door locking mechanism comprises a back door L-shaped locking connecting piece, the corner of the back door L-shaped locking connecting piece is hinged to be installed, the back door L-shaped locking connecting piece comprises a vertically-arranged back door vertical locking stopping portion and a horizontally-arranged back door horizontal locking stopping portion, the back door vertical locking stopping portion is connected to a back cabinet door lock rod, the back door horizontal locking stopping portion is connected to the end portion of a second back door connecting rod, and the back cabinet door lock rod is arranged on the inner side of the rear end of the metering cabinet in a horizontal mode.
6. The mechanical interlocking structure between the removable inlet cabinet and the fixed metering cabinet according to any one of claims 2 to 5, wherein: the second rear door connecting rod is arranged along the inner side wall of the metering cabinet in a sliding mode, and an inner wall supporting piece used for supporting the second rear door connecting rod in a sliding mode is arranged on the inner side wall of the metering cabinet.
7. The mechanical interlocking structure between the removable inlet cabinet and the fixed metering cabinet according to claim 1, wherein: the measuring cabinet is characterized in that a first telescopic support is further arranged on the side wall of the inner side of the measuring cabinet, the first telescopic support is directly arranged in a U shape with a side opening, a first telescopic spring is arranged in the first telescopic support, a first rear door connecting rod penetrates through the first telescopic support and the first telescopic spring, and a first spring pressing piece which penetrates through the first rear door connecting rod in the radial direction is arranged on the first rear door connecting rod.
8. The mechanical interlocking structure between the removable inlet cabinet and the fixed metering cabinet according to claim 7, wherein: the inner side wall of the metering cabinet is also provided with a rear door safety support and a front door safety support, the rear door safety support is provided with a rear door safety telescopic baffle, a second telescopic spring is arranged between the rear door safety telescopic baffle and the rear door safety support, the front door interlocking stop lever penetrates through the rear door safety support, the second telescopic spring and the rear door safety telescopic baffle, and the front door interlocking stop lever is also provided with a second spring pressing piece which radially penetrates through the front door interlocking stop lever; the front door safety retractable baffle is arranged on the front door safety support, a third retractable spring is built on the front door safety retractable baffle and the front door safety support, the front door pressure lever of the metering cabinet penetrates through the front door safety support, the third retractable spring and the front door safety retractable baffle, and a third spring pressing piece which penetrates through the front door pressure lever of the metering cabinet in the radial direction is arranged on the front door pressure lever of the metering cabinet.
9. The mechanical interlocking structure between the removable inlet cabinet and the fixed metering cabinet according to any one of claims 3 and 4, characterized in that: the side-mounting of pressure point perk pole has the fourth expanding spring, preceding cabinet lock pole passes the pressure point perk pole with stretch into behind the fourth expanding spring and install one side of measurement cabinet.
10. The mechanical interlocking structure between the removable inlet cabinet and the fixed metering cabinet according to claim 5, wherein: and a fifth telescopic spring is installed between the vertical locking stop part of the back door and the side wall of the metering cabinet, and the lock rod of the back cabinet door penetrates through the vertical locking stop part of the back door and the fifth telescopic spring.
CN202110883155.4A 2021-08-02 2021-08-02 Mechanical interlocking structure between movable wire inlet cabinet and fixed metering cabinet Active CN113690750B (en)

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CN206225814U (en) * 2016-11-23 2017-06-06 林国华 A kind of switch cubicle with door interlocking mechanism
CN110993420A (en) * 2019-12-12 2020-04-10 江苏天港箱柜有限公司 Safety interlocking device of switch cabinet
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CN218216167U (en) * 2021-08-02 2023-01-03 广东友源电气有限公司 Mechanical interlocking structure between fixed metering cabinet and incoming line cabinet

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2736902Y (en) * 2004-06-11 2005-10-26 安徽鑫龙电器股份有限公司 Armour moving type closed AC switch cabinet
CN2802806Y (en) * 2005-06-28 2006-08-02 上海天正机电(集团)有限公司 Safety protection mechanism for back door of high-tension switch cubicle
CN201838503U (en) * 2010-10-28 2011-05-18 浙江亚东电器制造有限公司 Interlocking device for grounding switch and rear door of high-voltage switch cabinet
US20130009524A1 (en) * 2011-07-08 2013-01-10 Marco Bernard Multiple-Door Switchgear Cabinet
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CN206225814U (en) * 2016-11-23 2017-06-06 林国华 A kind of switch cubicle with door interlocking mechanism
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CN218216167U (en) * 2021-08-02 2023-01-03 广东友源电气有限公司 Mechanical interlocking structure between fixed metering cabinet and incoming line cabinet

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