An easy-to-operate anti-misoperation locking device for switchgear
A technology for preventing false locks and switch cabinets. It is applied to electrical switches, electrical components, circuits, etc. It can solve the problems affecting the life safety of operators and live grounding switches, and achieve the effect of simple and reasonable design, easy operation and complete functions.
Active Publication Date: 2020-02-04
广东求精电气有限公司
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Problems solved by technology
However, the existing switchgear only padlocks the operation hole of the grounding knife. During operation, it is manually judged whether the cable is powered, and then unlocked. This method has great risks, and accidents of live grounding knifes often occur, seriously affecting Operator's life safety
Method used
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[0027] In order to further explain the technical solution of the present invention, the present invention will be described in detail below through specific examples. It should be noted that all the drawings are in a very simplified form and use imprecise scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.
[0028] Such as figure 1 , 2 , 3, 4, 5 and 6, the present invention provides an easy-to-operate anti-misoperation locking device for switch cabinets, including an operating door 1, a control device 2, a protective plate 3 and a key 13. The control device 2 is arranged directly under the operation door 1 , and the protective plate 3 is installed on the back of the operation door 1 . The control device 2 has an L-shaped structure, the end of the horizontal side is slightly higher than the horizontal side, and the length of the middle part of the slightly lower horizontal side is longer than the thi...
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The invention provides an easy-to-operate switch cabinet anti-misoperation locking device, which comprises an operation door, a control device, a protective plate and a key. An electromagnet is arranged in the operation door, a groove is arranged at the bottom, and the electromagnet is connected with the groove through a lead to communicate with the outside world. The control device comprises a top post, a spring, a circular wheel and a cam, which are connected in turn and arranged in a vertical hole of the control device, and the vertical hole is positioned directly below the groove; The control device is also provided with a transverse hole, the cam is provided with a through hole, and the transverse hole is directly opposite to the through hole; A hole is arranged under the protective plate and a hook is arranged above the protective plate; A lift rope is tied to that hook, a fixed pulley 1, a fixed pulley 2 and a fixed pulley 3 are arrange on the inner wall of the switch cabinet, and a rotating handle is arranged on the outer surface of the switch cabinet and the fixed pulley 3 on the same central shaft, and the rotating handle and the fixed pulley 3 are connected through an axle pin. The invention is provided with an electric test component and a lockout switch, which can double-check whether the switch cabinet is electrified or not, and ensure the safety of the operator.
Description
technical field [0001] The invention relates to the field of switch cabinet equipment, in particular to an easy-to-operate anti-misoperation locking device for switch cabinets. Background technique [0002] At present, due to the simplicity and reliability of the ring network cabinet, it has been used on a large scale in urban power distribution network power supply projects. However, the ring network cabinet itself has error prevention defects and can only protect its own category. Operation error. For example, the load switch and the grounding knife switch of the ring network cabinet cannot be operated at the same time, so the grounding knife is only allowed to be closed when the cable in the switch cabinet is not charged. However, the existing switchgear only padlocks the operation hole of the grounding knife. During operation, it is manually judged whether the cable is powered, and then unlocked. This method has great risks, and accidents of live grounding knifes often ...
Claims
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IPC IPC(8): H01H9/22
CPCH01H9/22
Inventor 赵成雷陈正茂张传荣
Owner 广东求精电气有限公司