Switch cabinet and cabinet door interlocking device thereof
A technology of interlocking device and cabinet door lock, which is applied to electric switches, substation/switch layout details, grounding devices, etc., can solve the problems of low safety and reliability of switch cabinets, and achieve simple structure, flexible operation and high stability Effect
Pending Publication Date: 2017-08-18
XINYANG NORMAL UNIVERSITY
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Problems solved by technology
[0004] The purpose of the present invention is to provide a cabinet door interlocking device to solve the switch cabinet maintenance process caused by the current cabinet door interlock device cannot ensure that the switch mechanism is in the closed state before opening the front and lower doors of the switch cabinet In addition, the object of the present invention is to provide a switchgear using the above-mentioned cabinet door interlocking device
Method used
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[0033] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0034] The specific embodiment of cabinet door interlocking device of the present invention, as Figure 1 to Figure 9 As shown, the cabinet door interlocking device includes a cabinet door lock 2 for interlocking with the cabinet door 1. The cabinet door lock 2 includes a lock base 21 and a dead bolt 22 hinged on the lock base 21. The lock base 21 is fixed on the switch cabinet On the cabinet 3, the lock tongue 22 is provided with a lock tongue hinge hole 221 at a position hinged with the lock base 21, and the lock base 21 is provided with a hinge shaft 211, and the lock tongue 22 connects with the lock base 21 through the lock tongue hinge hole 221. The hinge shaft 211 on the hinge is hinged. The lock tongue 22 has an operating handle 222 for operating the lock tongue 22 to swing, through which the lock tongue 22 can be operated to swing around the hin...
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The invention relates to the field of switchgears, in particular to a switch cabinet and a cabinet door interlocking device thereof. The cabinet door interlocking device comprises a spring bolt, a grounded interlocking part and a mechanism interlocking part, wherein the grounded interlocking part is matched with the spring bolt in a stopping way when a ground switch is in a non-grounding switch-on state in order to prevent the spring bolt to move to an unlocking position, and a cabinet door of the switch cabinet cannot be opened; and the mechanism interlocking part is matched with the spring bolt in a stopping way when a switching mechanism is in a switch-off state in order to prevent the spring bolt to move to the unlocking position, and the cabinet door of the switch cabinet cannot be opened as well. Compared with an existing cabinet door interlocking device, the cabinet door interlocking device disclosed by the invention has the advantages that the cabinet door can only be opened when the ground switch in the switch cabinet is in a grounding switch-on state and the switching mechanism is in the switch-off state, so that the problems of poor safety and poor reliability during repairing of the switch cabinet since the cabinet door interlocking device of the switch cabinet cannot ensure that the cabinet door of the switch cabinet can only be opened when the switching mechanism is in the switch-on state are solved.
Description
technical field [0001] The invention relates to the field of switch equipment, in particular to a switch cabinet and a cabinet door interlocking device. Background technique [0002] With the development of social economy and the acceleration of the construction and transformation of domestic urban power grids, people have higher and higher requirements for the reliability and operation safety of power supply equipment. The existing switchgear cabinet door includes the lower door of the switchgear cabinet. When the switchgear is working normally, the switchgear is equivalent to a large electrified interval. Staff who stray into the electrified interval may cause personal injury and equipment damage. Therefore, the existing The switchgear usually uses an external door lock to lock the lower door of the switchgear. Under normal operating procedures, the staff can only open the lower door of the switchgear when the switchgear stops running. In order to ensure the safety perfor...
Claims
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IPC IPC(8): H02B1/30H02B1/16H01H9/22
CPCH02B1/16H02B1/306H01H9/226
Inventor 李晓英曾召霞张朝霞张晓峰刘道华张占涛
Owner XINYANG NORMAL UNIVERSITY
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