CN216389116U

CN216389116U - Interlocking mechanism, switch cabinet and switch cabinet system

Info

Publication number: CN216389116U
Application number: CN202122716805.4U
Authority: CN
Inventors: 王勇; 罗星; 李红丽; 姚荣
Original assignee: Zhejiang Zhengtai Electric Technology Co ltd
Current assignee: Zhejiang Zhengtai Electric Technology Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-26
Anticipated expiration: 2031-11-08

Abstract

The utility model provides an interlocking mechanism, a switch cabinet and a switch cabinet system. The interlocking mechanism comprises: the handcart is provided with a locking hole; the transmission part is rotatably arranged and comprises a rotating shaft and a connecting rod, the connecting rod is provided with a first end and a second end which are oppositely arranged along the extending direction of the connecting rod, and the first end of the connecting rod is fixedly connected with the rotating shaft; the second end of the connecting rod is hinged with the first end of the connecting rod component; the locking piece is hinged with the second end of the connecting rod component, the locking piece is provided with a locking position which is inserted into the locking hole to lock the handcart and an unlocking position which is separated from the handcart to unlock the handcart, and the locking piece moves back and forth in a straight line between the unlocking position and the locking position under the action of the transmission piece and the connecting rod component; the moving direction of the locking piece is vertical to the axis of the rotating shaft; the extending direction of the connecting rod is vertical to the axis of the rotating shaft. The interlocking mechanism solves the problem that misoperation easily occurs when a handcart in the prior art is switched between a working position and a test position.

Description

Interlocking mechanism, switch cabinet and switch cabinet system

Technical Field

The utility model relates to the technical field of electrical switch equipment, in particular to a linkage mechanism, a switch cabinet and a switch cabinet system.

Background

At present, a circuit breaker handcart in armored movable metal closed switch equipment is interlocked with a guide rail mechanism linked with a grounding switch interlocking mechanism; specifically, when the grounding switch is opened and closed, the lock tongue on the guide rail mechanism is driven to move, so that the lock tongue and the circuit breaker handcart are locked or unlocked.

However, the grounding switch interlocking mechanism has the condition of mistaken opening and closing, so that the condition of mistaken locking or mistaken unlocking of the circuit breaker handcart exists when the guide rail mechanism is matched with the circuit breaker handcart, and the problem that the circuit breaker handcart is easy to operate mistakenly when the working position and the test position are switched is caused.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an interlocking mechanism, a switch cabinet and a switch cabinet system, which are used for solving the problem that misoperation is easy to occur when a handcart in the prior art is switched between a working position and a test position.

In order to achieve the above object, according to one aspect of the present invention, there is provided a interlocking mechanism comprising: the handcart is provided with a locking hole; the transmission piece is rotatably arranged and comprises a rotating shaft and a connecting rod, the connecting rod is provided with a first end and a second end which are oppositely arranged along the extending direction of the connecting rod, and the first end of the connecting rod is fixedly connected with the rotating shaft; the second end of the connecting rod is hinged with the first end of the connecting rod component; the locking piece is hinged with the second end of the connecting rod component, the locking piece is provided with a locking position which is inserted into the locking hole to lock the handcart and an unlocking position which is separated from the handcart to unlock the handcart, and the locking piece moves back and forth in a straight line between the unlocking position and the locking position under the action of the transmission piece and the connecting rod component; the moving direction of the locking piece is vertical to the axis of the rotating shaft; the extending direction of the connecting rod is vertical to the axis of the rotating shaft.

Furthermore, the interlocking mechanism also comprises a partition plate, the partition plate is provided with a through hole, and at least part of the locking hole is used for being arranged opposite to the through hole; the transmission part is connected with the partition plate and is rotatably arranged relative to the partition plate; the locking piece moves in a reciprocating linear mode between an unlocking position and a locking position, and when the locking piece is located at the locking position, the locking piece penetrates through the through hole and is inserted into the locking hole.

Further, the bottom of the handcart is provided with at least two locking holes, the at least two locking holes comprise a first locking hole and a second locking hole, the handcart is provided with a test position and a working position, at least part of the first locking hole is opposite to the through hole, at least part of the second locking hole is opposite to the through hole, the handcart is switchably arranged between the test position and the working position, and the locking of the handcart at the test position and the working position is completed through the locking piece.

Further, the interval between the first locking hole and the second locking hole ranges from 100mm to 400 mm.

Further, the interval between the first locking hole and the second locking hole ranges from 200mm to 300 mm.

Further, the interlocking mechanism further comprises: the lock is arranged on the partition plate and provided with a lock tongue, and the lock tongue is connected with the transmission part; the key is matched with the lockset so as to drive the lock tongue and the transmission piece to rotate; wherein, the driving medium is provided with the mounting hole, and the shape and the spring bolt looks adaptation of mounting hole to make the spring bolt insert and establish in the mounting hole.

Further, the cross section of the lock tongue perpendicular to the extending direction of the lock tongue is a polygonal cross section.

Further, the cross section of the lock tongue perpendicular to the extending direction of the lock tongue is a triangular cross section, a quadrangular cross section or a star-shaped cross section.

Furthermore, the partition plate comprises a partition plate body, the partition plate body comprises a first partition plate and a second partition plate connected with the first partition plate, and a preset included angle is formed between the first partition plate and the second partition plate; the through hole is arranged on the first partition plate; at least part of the second partition plate is used for forming part of the appearance surface of the switch cabinet, and the lock hole of the lock is arranged on at least part of the second partition plate; wherein the preset included angle is 0-180 degrees.

Furthermore, the interlocking mechanism also comprises a guide sleeve which is arranged on the partition plate; the guide sleeve is inserted in the through hole, and the locking piece moves in the guide channel of the guide sleeve; or the guide sleeve is positioned at one end of the through hole, the guide channel of the guide sleeve is communicated with the through hole, and the locking piece moves in the through hole and the guide channel.

Furthermore, a flexible layer is arranged in the through hole; and/or a flexible layer is arranged in the guide channel.

Furthermore, the interlocking mechanism also comprises an alarm; the locking piece is provided with pressure sensor, and pressure sensor is connected with the alarm communication to when the locking piece supports to establish on the handcart and pressure sensor detects actual pressure is greater than preset pressure, pressure sensor transmits abnormal signal to the alarm, so that the alarm reports to the police.

According to another aspect of the utility model, a switch cabinet is provided, which comprises a cabinet body and an interlocking mechanism, at least part of the interlocking mechanism is arranged in the cabinet body, wherein the interlocking mechanism is the interlocking mechanism.

According to a further aspect of the utility model, a switch cabinet system is provided, comprising a plurality of switch cabinets, wherein the switch cabinets are the switch cabinets described above.

Furthermore, the switch cabinet system comprises a controller, the switch cabinets are in communication connection with the controller, and the controller controls the switch cabinets to be sequenced according to a preset sequence; the locks of the interlocking mechanisms of the switch cabinets are operated through corresponding keys, the controller locks the locks of the switch cabinets with the first serial number with the keys of the switch cabinets with the second serial number one bit behind the first serial number, and after the locks of the switch cabinets with the first serial number are operated through the corresponding keys, the keys of the switch cabinets with the second serial number are unlocked to operate the locks of the switch cabinets with the second serial number, so that the locks of the switch cabinets are operated according to a preset sequence to lock or unlock the hand carts of the switch cabinets.

The interlocking mechanism is used for locking the handcart so as to lock the handcart at a working position or a test position. This interlocking gear drives the swing of connecting rod part through rotatable driving medium, and then drives the locking piece and switch between unblock position and latched position, with locking or unblock handcart, it is visible, this interlocking gear passes through the driving medium, the mechanical locking is carried out to connecting rod part and locking piece, need not to cooperate with earthing switch interlocking gear's guide rail mechanism alright realize the locking and the unblock of independence, the problem of the easy maloperation that appears of handcart when operating position and experimental position conversion has been solved, the operational safety of cubical switchboard has been strengthened. And this interlocking gear passes through the articulated between connecting rod part and driving medium and the locking piece, converts the rotary motion of driving medium into the switching of locking piece between unblock position and latched position, simple structure, and the operation is reliable. In addition, this interlocking gear is through setting up the driving medium into the structure including pivot and with pivot fixed connection's connecting rod, and the extending direction that makes the connecting rod is mutually perpendicular with the axis of pivot, can increase the removal scope of locking piece, and then makes interlocking gear's operation more nimble, and application scope is bigger.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 shows a front view of an embodiment of a linkage mechanism according to the present invention;

fig. 2 shows a side view of an embodiment of the interlocking mechanism according to the utility model.

Wherein the figures include the following reference numerals:

10. a transmission member; 11. mounting holes; 12. a rotating shaft; 13. a connecting rod; 20. a link member; 30. a locking member; 40. a first pin shaft; 50. a second pin shaft; 60. a partition plate; 61. a separator body; 611. a first separator; 612. a second separator; 613. an accommodating space; 62. a support; 63. a through hole; 64. a second bracket; 70. a guide sleeve; 71. a guide channel; 80. a lock; 81. a latch bolt; 90. a key; 100. a hand truck.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The present invention provides a locking mechanism, please refer to fig. 1 and fig. 2, comprising: the handcart 100, the handcart 100 is provided with a locking hole; the transmission piece 10 is rotatably arranged, the transmission piece 10 comprises a rotating shaft 12 and a connecting rod 13, the connecting rod 13 is provided with a first end and a second end which are oppositely arranged along the extending direction of the connecting rod, and the first end of the connecting rod 13 is fixedly connected with the rotating shaft 12; the second end of the connecting rod 13 is hinged with the first end of the connecting rod part 20; a locking member 30 hinged to the second end of the connecting rod member 20, the locking member 30 having a locking position inserted in the locking hole to lock the handcart 100 and an unlocking position separated from the handcart 100 to unlock the handcart 100, the locking member 30 being linearly moved back and forth between the unlocking position and the locking position by the transmission member 10 and the connecting rod member 20; wherein, the moving direction of the locking piece 30 is vertical to the axis of the rotating shaft 12; the connecting rod 13 extends in a direction perpendicular to the axis of the shaft 12.

The interlock mechanism of the present invention is used to lock the hand truck 100 so that the hand truck 100 is locked in either the operating position or the testing position. This interlocking gear drives the swing of connecting rod part 20 through rotatable driving medium 10, and then drives locking piece 30 and switches between unblock position and latched position, with locking or unblock handcart 100, it is visible, this interlocking gear passes through driving medium 10, mechanical locking is carried out to connecting rod part 20 and locking piece 30, need not to cooperate with earthing switch interlocking gear's guide rail mechanism alright realize the locking and the unblock of independence, the problem of the handcart maloperation easily appears when operating position and experimental position conversion has been solved, the operation security of cubical switchboard has been strengthened. In addition, the interlocking mechanism converts the rotation movement of the transmission piece 10 into the switching of the locking piece 30 between the unlocking position and the locking position through the hinging of the connecting rod part 20, the transmission piece 10 and the locking piece 30, and has simple structure and reliable operation. In addition, this interlocking gear is through setting up driving medium 10 to the structure that includes pivot 12 and the connecting rod 13 with pivot 12 fixed connection, and makes the extending direction of connecting rod 13 and the axis of pivot 12 be perpendicular mutually, can enlarge the moving range of locking piece 30, and then makes interlocking gear's operation more nimble, and application scope is bigger.

In the present embodiment, as shown in fig. 1 and 2, the interlocking mechanism further includes a partition plate 60, the partition plate 60 is provided with a through hole 63, and at least a part of the locking hole is configured to be disposed opposite to the through hole 63; the transmission member 10 is connected with the partition plate 60 and is rotatably arranged relative to the partition plate 60; the locking member 30 is reciprocally linearly moved between the unlocking position and the locking position, and the locking member 30 is inserted into the locking hole through the through hole 63 when the locking member 30 is in the locking position. Thus, the locking member 30 can be limited by the through hole 63, so that the rotation motion of the transmission member 10 is converted into the reciprocating linear motion of the locking member 30, and the reliability of the motion of the locking member 30 is ensured.

Specifically, the partition 60 is disposed below the hand truck 100, and the partition 60 is disposed spaced apart from the hand truck 100.

Specifically, the trolley 100 is used to carry a circuit breaker.

In this embodiment, the bottom of the handcart 100 is provided with at least two locking holes, the at least two locking holes include a first locking hole and a second locking hole, the handcart 100 has a test position in which at least part of the first locking hole is arranged opposite to the through hole 63 and a working position in which at least part of the second locking hole is arranged opposite to the through hole 63, the handcart 100 is switchably arranged between the test position and the working position, and the locking at the test position and the working position is completed through the locking piece 30.

Specifically, when the handcart 100 is at the test position, at least part of the first locking hole is arranged opposite to the through hole 63, at the moment, the transmission piece 10 and the connecting rod part 20 drive the locking piece 30 to switch between the locking position and the unlocking position, so that the locking piece 30 penetrates through the through hole 63 to be inserted into the first locking hole or separated from the handcart, and the handcart 100 can be locked or unlocked at the test position through the locking piece 30; when the handcart 100 is in the working position, at least part of the second locking hole is arranged opposite to the through hole 63, at the moment, the driving piece 10 and the connecting rod part 20 drive the locking piece 30 to be switched between the locking position and the unlocking position, so that the locking piece 30 penetrates through the through hole 63 to be inserted into the second locking hole or separated from the handcart, and the handcart 100 can be locked or unlocked through the locking piece 30 in the working position.

Optionally, a distance between the first locking hole and the second locking hole ranges from 100mm to 400 mm. Such setting satisfies the structural configuration of cubical switchboard.

Optionally, a distance between the first locking hole and the second locking hole ranges from 200mm to 300 mm. The arrangement makes the structural layout of the switch cabinet more reasonable.

In this embodiment, as shown in fig. 1 and fig. 2, the interlocking mechanism further includes a lock 80 and a key 90, the lock 80 is disposed on the partition 60, the lock 80 has a latch 81, and the latch 81 is connected to the transmission member 10; the key 90 is adapted to the lock 80 so that the key 90 drives the latch tongue 81 and the transmission member 10 to rotate. The arrangement is linked with the mechanical structure (including the transmission member 10 and the connecting rod member 20) through the lock 80 to drive the locking member 30 to perform reciprocating linear motion, so as to lock and unlock the handcart 100.

In the embodiment, the transmission member 10 is provided with a mounting hole 11, and the shape of the mounting hole 11 is matched with the latch bolt 81 so that the latch bolt 81 is inserted into the mounting hole 11. The arrangement is convenient and reliable for connecting the transmission piece 10 and the bolt 81, so as to realize linkage of the two.

Optionally, a cross section of the locking tongue 81 perpendicular to the extending direction thereof is a polygonal cross section. Such an arrangement facilitates the linkage of the transmission member 10 with the latch tongue 81.

Alternatively, the cross section of the latch tongue 81 perpendicular to the extending direction thereof is a triangular cross section, or a quadrangular cross section, or a star-shaped cross section.

In the present embodiment, as shown in fig. 1, the partition 60 includes a partition body 61, the partition body 61 includes a first partition 611 and a second partition 612 connected to the first partition 611, and the first partition 611 and the second partition 612 are disposed at a predetermined included angle; the through hole 63 is arranged on the first partition 611, and the lock hole of the lock 80 is arranged on the second partition 612; wherein the preset included angle is 0-180 degrees.

Specifically, as shown in fig. 1, the preset included angle is 90 degrees, the second partition 612 is a vertical plate, and the second partition 612 is arranged opposite to a cabinet door of the switch cabinet; the first partition 611 is a horizontal plate. Such an arrangement optimizes the structural layout of the interlocking mechanism.

In this embodiment, at least a portion of the second partition 612 is used to form a part of an external appearance surface of the switch cabinet, and the lock hole of the lock 80 is disposed on at least a portion of the second partition 612. The arrangement can operate the interlocking mechanism when the switch cabinet is opened or closed.

In the present embodiment, as shown in fig. 1, an accommodating space 613 is formed between the first partition 611 and the second partition 612, and at least a portion of the locking member 30, the transmission member 10, the link member 20, and the lock 80 are disposed in the accommodating space 613. Due to the arrangement, the locking piece 30, the transmission piece 10, the connecting rod part 20 and the lock 80 are all arranged in the accommodating space 613 formed by the partition body 61, the sizes and heights of the locking piece 30, the transmission piece 10, the connecting rod part 20 and the lock 80 do not exceed the height of the second partition 612, the idle space is fully utilized, and the space in the switch cabinet is reasonably utilized.

Specifically, the boundary of the accommodating space 613 away from the first partition 611 does not exceed the end of the second partition 612 away from the first partition 611, and the boundary of the accommodating space 613 away from the second partition 612 does not exceed the end of the first partition 611 away from the second partition 612.

In this embodiment, as shown in fig. 1, the partition 60 further includes a first bracket 62, the first bracket 62 is connected to the partition body 61, and the transmission member 10 is connected to the first bracket 62 and is rotatably disposed relative to the first bracket 62. Such an arrangement facilitates installation of the transmission member 10.

In this embodiment, as shown in fig. 1 and fig. 2, the partition board 60 further includes a second bracket 64, the second bracket 64 is connected to the partition board body 61, and the lock 80 is disposed on the second bracket 64. Such an arrangement facilitates installation of the fixed lock 80.

In this embodiment, as shown in fig. 1 and 2, the interlocking mechanism further includes a guide sleeve 70, and the guide sleeve 70 is disposed on the partition plate 60; the guide sleeve 70 is inserted into the through hole 63, and the locking piece 30 moves in the guide channel 71 of the guide sleeve 70; or, the guide sleeve 70 is positioned at one end of the through hole 63, and the guide channel 71 of the guide sleeve 70 is communicated with the through hole 63; the locking member 30 moves within the through hole 63 and the guide passage 71. This arrangement serves to guide the locking member 30 so that the locking member 30 can move linearly back and forth in the guide passage 71.

Specifically, the extending direction of the guide passage 71 is the same as the extending direction of the through hole 63.

In specific implementation, the key 90 is inserted into a lock hole of the lock 80, the transmission member 10 is controlled by rotating the key 90 to link the connecting rod member 20, so as to drive the locking member 30 to make a reciprocating linear motion in the guide sleeve 70, and when the handcart 30 is in the working position or the testing position, respectively, the locking member 30 can extend out of the through hole 63 or the guide sleeve 70 to be inserted into the first locking hole or the second locking hole of the handcart 100 for limiting, so as to perform forced locking.

In the present embodiment, a flexible layer is provided inside the through hole 63; and/or a flexible layer is provided within the guide channel 71. The arrangement prevents the locking piece 30 and the through hole 63 or the guide sleeve 70 from generating large impact, plays a role in buffering, prevents the locking piece 30 and the through hole 63 or the guide sleeve 70 from being abraded, and prolongs the service life.

In this embodiment, as shown in fig. 1, the interlocking mechanism further includes: a first pin shaft 40 penetrating the connecting rod 13 and the connecting rod part 20 so that the connecting rod part 20 is connected with the transmission member 10 through the first pin shaft 40; and/or, a second pin 50 is inserted through the locking member 30 and the link member 20, so that the locking member 30 is connected with the link member 20 through the second pin 50. This arrangement enables the articulation of the link part 20 with the transmission 10 and the articulation of the locking element 30 with the link part 20.

In this embodiment, the interlocking mechanism further comprises an alarm; the locking member 30 is provided with a pressure sensor, and the pressure sensor is in communication connection with the alarm, so that when the locking member 30 abuts against the handcart 100 and the actual pressure detected by the pressure sensor is greater than the preset pressure, the pressure sensor transmits an abnormal signal to the alarm, so that the alarm gives an alarm. Due to the arrangement, the alarm can be given when the locking piece 30 is not accurately butted with the locking hole of the handcart 100 and collides, so that the handcart 100 is prevented from being damaged, and the safety of the interlocking mechanism is improved.

Specifically, the interlocking mechanism is interlocked with the bottom of the handcart 100, that is, the locking hole is arranged at the bottom of the handcart 100; or the interlocking mechanism is interlocked with the left and right partition plates of the handcart 100, and the locking hole is arranged on the left partition plate or the right partition plate of the handcart 100; wherein the left and right partition plates are disposed on opposite sides of the hand truck 100.

The utility model also provides a switch cabinet, which comprises a cabinet body and the interlocking mechanism, wherein at least part of the interlocking mechanism is arranged in the cabinet body, and the interlocking mechanism is the interlocking mechanism in the embodiment.

Specifically, the interlocking mechanism is disposed at a gap between a first panel and a second panel of the switch cabinet, and at least a portion of the second partition 612 is located between the first panel and the second panel and forms a part of an appearance surface of the switch cabinet together with the first panel and the second panel. The arrangement makes the insertion and the operation of the key 90 of the interlocking mechanism convenient; wherein, first panel and second panel set up along vertical direction interval.

The utility model also provides a switch cabinet system which comprises a plurality of switch cabinets, wherein the switch cabinets are the switch cabinets in the embodiment.

In this embodiment, the switch cabinet system includes the controller, and a plurality of switch cabinets all are connected with the controller communication, and the controller controls a plurality of switch cabinets and arranges the order according to predetermineeing the order.

In one embodiment, the locks 80 of the interlocking mechanisms of the plurality of switch cabinets share a key 90, so that the key 90 sequentially operates the locks 80 of the respective switch cabinets in a preset sequence to lock or unlock the hand trucks 100 of the respective switch cabinets. Therefore, the linkage of a plurality of switch cabinets can be realized through the control of the controller, and the overall safety of the switch cabinet system is enhanced. Specifically, the key 90 must open the lock 80 of the first serial number of the switch cabinet, pull out the key 90 after completing the operation on the handcart 100 of the first serial number of the switch cabinet, and then open the lock 80 of the second serial number by using the key 90, so as to unlock the operation restriction of the handcart of the second serial number of the switch cabinet, thereby performing the above operation on the switch cabinet according to the preset sequence. It should be noted that, in this embodiment, a small number of keys 90 may be matched with a large number of locks 80, and the operation is performed by program setting, and the keys 90 and the locks 80 may adopt various matching modes such as one lock with two keys, two locks with three keys, and the like to satisfy the requirement of performing programmed linkage on a plurality of switch cabinets.

In another embodiment, the locks 80 of the switch cabinets are operated by corresponding keys 90, and the controller locks the lock 80 of the switch cabinet with a first serial number with the key 90 of the switch cabinet with a second serial number one after the first serial number, so that after the lock 80 of the switch cabinet with the first serial number is operated by the corresponding key 90, the key 90 of the switch cabinet with the second serial number is unlocked to operate the lock 80 of the switch cabinet with the second serial number, thereby operating the locks 80 of the switch cabinets in a preset sequence to lock or unlock the hand truck 100 of each switch cabinet. Therefore, the linkage of a plurality of switch cabinets can be realized through the control of the controller, and the overall safety of the switch cabinet system is enhanced. In specific implementation, after the key 90 of the switch cabinet with the first serial number opens the corresponding lock 80 (the operation action of the handcart corresponding to the lock 80 is finished), the key 90 of the switch cabinet with the second serial number locked on the switch cabinet with the first serial number is unlocked, and after the key 90 of the switch cabinet with the second serial number is pulled out, the key 90 of the switch cabinet with the second serial number can open the lock 80 of the switch cabinet with the second serial number (the operation limitation of the handcart of the switch cabinet with the second serial number can be unlocked), so that the plurality of switch cabinets can be operated according to the preset sequence.

The interlocking mechanism of the application relates to the technical field of electrical switching equipment; specifically, interlocking mechanism relates to well high voltage electrical switchgear technical field, is particularly useful for the circuit breaker handcart among the armor withdrawable metal switching device to realize with the chain of circuit breaker handcart in different operating mode positions.

In specific implementation, the interlocking mechanism can enable the circuit breaker handcart to be mechanically locked at a working position and a test position respectively under the condition that the cabinet door of the circuit breaker chamber is not opened, and can also be in program interlocking operation with other switch cabinets; no matter whether have ground connection sword interlocking gear all can dispose, increased the protection that prevents the maloperation together, can strengthen the operation security of single cubical switchboard or whole electrical switching system.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An interlock mechanism, comprising:

the handcart (100), the handcart (100) is provided with a locking hole;

the transmission piece (10) is rotatably arranged, the transmission piece (10) comprises a rotating shaft (12) and a connecting rod (13), the connecting rod (13) is provided with a first end and a second end which are oppositely arranged along the extending direction of the connecting rod, and the first end of the connecting rod (13) is fixedly connected with the rotating shaft (12);

the second end of the connecting rod (13) is hinged with the first end of the connecting rod component (20);

the locking piece (30) is hinged to the second end of the connecting rod component (20), the locking piece (30) is provided with a locking position inserted in the locking hole to lock the handcart (100) and an unlocking position separated from the handcart (100) to unlock the handcart (100), and the locking piece (30) moves back and forth in a linear mode between the unlocking position and the locking position under the action of the transmission piece (10) and the connecting rod component (20);

wherein the moving direction of the locking piece (30) is vertical to the axis of the rotating shaft (12); the extending direction of the connecting rod (13) is vertical to the axis of the rotating shaft (12).

2. The interlocking mechanism according to claim 1, characterized in that it further comprises a spacer plate (60), said spacer plate (60) being provided with a through hole (63);

the transmission piece (10) is connected with the partition plate (60) and is rotatably arranged relative to the partition plate (60);

when the locking member (30) is in the locking position, the locking member (30) is inserted into the locking hole through the through hole (63).

3. The interlock mechanism according to claim 2, wherein the hand truck (100) is provided with at least two of said locking holes, the at least two locking holes comprising a first locking hole and a second locking hole, the hand truck (100) having a test position with at least part of the first locking hole being disposed opposite the through hole (63) and an operating position with at least part of the second locking hole being disposed opposite the through hole (63), the hand truck (100) being switchably arranged between the test position and the operating position and the locking in the test position and the operating position being accomplished by the locking member (30).

4. The interlock mechanism according to claim 2 or 3, further comprising:

the lock (80) is arranged on the partition plate (60), the lock (80) is provided with a bolt (81), and the bolt (81) is connected with the transmission piece (10);

the key (90) is matched with the lockset (80), so that the key (90) drives the bolt (81) and the transmission piece (10) to rotate;

the transmission piece (10) is provided with a mounting hole (11), and the shape of the mounting hole (11) is matched with that of the lock tongue (81) so that the lock tongue (81) is inserted into the mounting hole (11).

5. The interlocking mechanism according to claim 4, wherein the partition (60) comprises a partition body (61), the partition body (61) comprises a first partition (611) and a second partition (612) connected with the first partition (611), and the first partition (611) and the second partition (612) are arranged at a preset included angle; the through hole (63) is arranged on the first clapboard (611); at least part of the second partition plate (612) is used for forming part of the appearance surface of the switch cabinet, and the lock hole of the lock (80) is arranged on at least part of the second partition plate (612);

wherein the preset included angle is 0-180 degrees.

6. The interlocking mechanism according to claim 2 or 3, characterized in that it further comprises a guide sleeve (70), said guide sleeve (70) being provided to said partition (60);

the guide sleeve (70) is inserted into the through hole (63), and the locking piece (30) moves in a guide channel (71) of the guide sleeve (70); or

The guide sleeve (70) is located at one end of the through hole (63), a guide channel (71) of the guide sleeve (70) is communicated with the through hole (63), and the locking piece (30) moves in the through hole (63) and the guide channel (71).

7. The interlock mechanism of claim 6,

a flexible layer is arranged in the through hole (63); and/or

A flexible layer is arranged in the guide channel (71).

8. The linkage mechanism according to any one of claims 1 to 3, further comprising an alarm; locking piece (30) are provided with pressure sensor, pressure sensor with the alarm communication is connected, in order to establish locking piece (30) are supported on handcart (100) just when the actual pressure that pressure sensor detected is greater than preset pressure, pressure sensor to alarm transmission abnormal signal, so that the alarm reports to the police.

9. A switchgear comprising a cabinet body and an interlocking mechanism, at least part of the interlocking mechanism being arranged in the cabinet body, characterized in that the interlocking mechanism is according to any of claims 1 to 8.

10. A switchgear system comprising a plurality of switchgears, characterized in that the switchgear is a switchgear according to claim 9; the switch cabinet system comprises a controller, a plurality of switch cabinets are in communication connection with the controller, and the controller controls the switch cabinets to be sequenced according to a preset sequence;

each lock (80) of interlocking gear of cubical switchboard operates through corresponding key (90), the controller with the cubical switchboard of first serial number lock (80) with be located one-digit second serial number behind the first serial number the cubical switchboard key (90) are locked, in order first serial number the cubical switchboard lock (80) are through corresponding after key (90) operate, the unblock the second serial number the cubical switchboard key (90) are in order to be right the second serial number the cubical switchboard lock (80) operate, press with this preset sequence is a plurality of the cubical switchboard lock (80) operate to lock or unlock each the handcart (100) of cubical switchboard.