Device for locking busway inserting case

A locking device and plug-in box technology, applied in the installation of busbars, cables, electrical components, etc., can solve the problems of unsightly appearance and cumbersome construction process, and achieve firm and reliable connection, simple structure, and improved flexibility Effect

Inactive Publication Date: 2009-05-20
WETOWN ELECTRIC GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, it is generally used to connect the plug-in box shell and the busbar shell in the way of clamping parts and bolts, which requires connecting fixed points on the busbar shell and the plug-in box shell. The process is cumbersome and not beautiful

Method used

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  • Device for locking busway inserting case
  • Device for locking busway inserting case
  • Device for locking busway inserting case

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] Such as figure 1 As shown, the embodiment of the locking device includes a pair of clamping plates 2 installed on the housing 1 of the plug-in box. The clamping plates can rotate around the rotating shaft 3 in the middle, and the hook 21 at the lower end of the clamping plates can be locked in the locked state. Hook the protruding part 41 of the edge of the bus duct housing 4 (the flange of the bus duct housing). Such as Figure 4 As shown, an arc-shaped guide groove 22 is provided on the top of the cardboard, and a positioning hole 23 with a diameter larger than the width of the guide groove is provided at the inner end of the arc-shaped guide groove. Each clamping plate has a matching screw 5, and the front section of the screw passes through the guide groove 22 and is screwed into the threaded hole 11 on the housing of the plug-in box. Such as Figure 5 As shown, the shank of the screw 5 is composed of a threaded section 51 at the front section and a stepped posit...

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PUM

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Abstract

The invention relates to a transmission equipment accessory, in particular to a bus duct jack box locking device for fixing a bus duct tap-off box on a transmission bus duct case. The locking device comprises clamping boards arranged on a shell of a jack box through rotating shafts. Lower ends of the clamping boards are provided with hooks which can hook a protruding part at the edge of the bus duct case. Upper ends of the clamping boards are provided with arc-shaped guide grooves taking the rotating shafts as circle centers. End parts of the inner sides of the arc-shaped guide grooves are provided with positioning holes with the diameter greater than the width of the arc-shaped guide grooves. The shell of the jack box is provided with threaded holes in which bolts are screwed. Front parts of the bolts are inserted through the arc-shaped guide grooves to be screwed into the threaded holes. Rod parts of the bolts consist of threaded sections and step positioning sections. The diameter of the threaded sections is smaller than the width of the arc-shaped guide grooves. The diameter of the step positioning sections is larger than the width of the arc-shaped guide grooves and smaller than the diameter of the positioning holes. The transmission equipment accessory can realize connection and fixing of the jack box and the bus duck and is flexible in installation position, simple in structure, convenient and simple in operation and fixed in connection.

Description

technical field [0001] The invention relates to accessories of power transmission equipment, in particular to a busway plug-in box locking device for fixing the busway plug-in box on the power transmission busway shell. Background technique [0002] As a functional unit of the power transmission bus duct, the plug box plays the role of distributing electric energy in the bus duct system. There are many ways to install the plug-in box on the bus duct. After the plug-in box is inserted on the bus duct, it is very important to ensure that the plug-in box and the bus duct can be reliably connected and fixed, which will directly affect the performance of the plug-in box. No long-term reliable operation. At present, it is generally used to connect the plug-in box shell and the busbar shell in the way of clamping parts and bolts, which requires connecting fixed points on the busbar shell and the plug-in box shell. The process is cumbersome and unsightly. Contents of the inventi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G5/00
Inventor 蒋文功常小勇
Owner WETOWN ELECTRIC GRP CO LTD
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