Connecting device

A technology of connecting device and switching device, applied in the direction of connecting, connecting device parts, coupling device, etc., can solve the problems of difficult and time-consuming assembly and connecting/disconnecting process, and achieve safe and reliable electrical connection, easy to use, Quick connect/disconnect effect

Inactive Publication Date: 2015-05-20
ABB TECH AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This last step further makes the overall assembly and connection / disconnection process rather difficult and time consuming

Method used

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Embodiment Construction

[0024] Referring to the attached drawings, there is shown a connecting device 1 which is particularly suitable for use in the field of medium voltage, where, for the purposes of this application, the term "medium voltage" means from 1 kilovolt to several tens of kilovolts range applications, such as 52kV. The connecting device 1 can be used to interconnect the movable conducting terminal 2 of the switching device 3 with the fixed conducting terminal 4 arranged in the switchgear 5 in which the switching device 3 will be accommodated. In particular, the movable conductive terminal 2 and the fixed conductive terminal 4 are, for example, of the busbar type made of copper, and the switching means may comprise a movable circuit breaker 3 .

[0025] The connecting device 1 is configured to clamp the first and second parts of the movable conductive terminal 2 and the fixed conductive terminal 4 together, and the first and second parts of the movable conductive terminal 2 and the fixed...

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Abstract

A connecting device suitable for connecting a movable conducting terminal (2) of a switching device (3) to a stationary conducting terminal (4) of a switchgear apparatus (5), comprises: a pin-group (6) suitable for being inserted into an opening (7) obtained in a connection-region (10) which is defined by mutually overlapping portions of the movable (2) and stationary (4) conducting terminals, the pin-group (6) having a head-end (8) and a pressing-clamping-end (9) which are suitable for being positioned at opposite sides with respect to the connection-region (10). The pin-group (6) is movable from a releasing position (15), in which a mutual separation of the movable (2) and stationary (4) conducting terminals is enabled, to a locking-clamping-position (16), in which the movable (2) and stationary (4) conducting terminals are reciprocally clamped. There are provided locking-positioning-means (14) configured for keeping the pressing-clamping-end (9) blocked in the locking-clamping-position (16) and for imparting to the pressing-clamping-end (9), upon a movement of the pin-group (6) from the releasing position (15) to the locking-clamping-position (16), a tightening displacement (17) so as to generate a tightening force which presses the mutually overlapping portions against to one other. The connecting device (1) is provided with tightening-control-means (40) configured for controlling the tightening force so as to set a desired value of tightening-contact-pressure between the mutually overlapping portions.

Description

technical field [0001] The present disclosure relates to a connection device suitable for connecting a movable conductive terminal of a switching device, in particular a circuit breaker, to a fixed conductive terminal of a switchgear. Background technique [0002] In the field of medium voltage it is known that the connection of movable busbar terminals of a circuit breaker with corresponding fixed busbar terminals of a switchgear is realized according to the different possible types of connections described below. According to a first type of connection, bolts and nuts are used to fix the movable bus terminal and the fixed bus terminal to each other. With regard to reliability and safety requirements, this first type of connection has proven to perform quite satisfactorily due to its relatively simple structural configuration. However, establishing this type of connection is rather tedious since the tightening operation takes a long time and moreover, for correct and safe ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R13/625F16B21/04H01R25/16
CPCF16B21/04H01R13/213H01R25/162H02B11/04H01H9/285
Inventor 亚历山德罗·邦凡蒂
Owner ABB TECH AG
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