Driving mechanism of switching device and switching device thereof
A technology of switching device and driving mechanism, which is applied in the direction of contact driving mechanism, etc., can solve the problems that the driving shaft cannot stay accurately and affect the operation.
Active Publication Date: 2017-08-11
SIEMENS AG
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Problems solved by technology
[0003] In the existing switching device, there is a drive shaft that can be installed on the side wall of the switching device to realize the function of controlling and operating the switching device from the side, but in the existing design, the drive shaft controlling the side wall is from its disconnected position After turning to the closed position, the drive shaft may not stay in the closed position accurately, which will affect subsequent operations
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[0034] In order to have a clearer understanding of the technical features, purposes and effects of the invention, the specific embodiments of the present invention are now described with reference to the accompanying drawings, in which the same reference numerals represent components with the same or similar structures but the same functions.
[0035] In this article, "schematic" means "serving as an example, example or illustration", and any illustration or implementation described as "schematic" should not be interpreted as a more preferred or more advantageous Technical solutions.
[0036] In order to make the drawing concise, each drawing only schematically shows the parts related to the present invention, and they do not represent the actual structure of the product. In addition, in order to make the drawings concise and easy to understand, in some drawings, only one of the components having the same structure or function is schematically shown, or only one of them is mar...
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The invention provides a driving mechanism of a switching device. The driving mechanism a driving shaft (10) and a sliding piece (20). The driving shaft is rotationally arranged on a side wall of the switching device and has a switching-off position for separating a movable contact from a fixed contact of the switching device, and a switching-on position for enabling the movable contact to be in contact with the fixed contact of the switching device; a driving part (12) and a first limiting part (14) are arranged in the peripheral direction of the driving shaft. The driving part can be in contact with the sliding piece; due to the rotation of the driving shaft, the sliding piece is driven to slide along a sliding direction; at the switching-on position, the first limiting part can abut against the surface, toward the driving shaft, of the sliding piece. The driving shaft of the driving mechanism can be accurately positioned on the switching-on position by the first limiting part.
Description
technical field [0001] The present invention relates to a driving mechanism, in particular to a driving mechanism for a switching device, and also relates to a switching device with the above driving mechanism. Background technique [0002] In the switching device, by operating the drive shaft to switch between the open position and the closed position, the contact and separation of the movable contact and the fixed contact can be realized, thereby realizing the on-off control of the power supply line. In order to realize the rapid completion of the contact and separation between the movable contact and the fixed contact in the switchgear, an elastic mechanism is usually provided, which mainly uses the spring to store or release the elastic energy to drive the completion of the contact and separation between the movable contact and the fixed contact. . At the same time, the large torque generated by the spring in the switching action can be used to increase the driving forc...
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IPC IPC(8): H01H3/50
CPCH01H3/38
Inventor 沈建良宋磊刘明华陈松林蒲恩强
Owner SIEMENS AG