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Construction machinery power line connection locking device with extension spring

A technology for tension springs and construction machinery, which is applied to the parts, connections, and coupling devices of connecting devices, and can solve problems such as safety accidents, operator inconvenience, and interruption of work.

Inactive Publication Date: 2015-11-18
SHANGHAI MUNICIPAL ELECTRIC POWER CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] During the construction process, the operator may constantly pull the power cord to reach different work areas due to the needs of the work, which often causes the power cord and the socket device to loosen, causing unexpected interruption to the work
This kind of interruption will not only reduce the construction efficiency and bring inconvenience to the operator, but also in some more important work occasions, this unexpected power interruption will cause safety accidents

Method used

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  • Construction machinery power line connection locking device with extension spring
  • Construction machinery power line connection locking device with extension spring

Examples

Experimental program
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Effect test

Embodiment Construction

[0009] The following specific examples and attached Figure 1-2 The present invention will be described in detail.

[0010] According to an embodiment, a power cord connection locking device for a construction machine with a tension spring includes a device frame 9 and a drive motor 16 fixed in the device frame 9, and the device frame 9 is provided with a power supply The wire insertion channel 50 is used for inserting the power cord 5, and the driving motor 16 is power-connected with the screw rod 161 extending downward from the driving motor 16, and the driving wedge 10 is threaded on the screw rod 161. The wedge-shaped surface on the right side of the driving wedge 10 is slidingly matched with the inclined surface in the main body 151 of the locking slider 15 that can slide left and right on the bearing locking slider 12, and the right end of the driving wedge 10 is in contact with the device frame. The guide groove 101 extending up and down in 9 is slidingly fitted, where...

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PUM

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Abstract

The invention relates to a construction machinery power line connection locking device with an extension spring. The construction machinery power line connection locking device comprises a device frame body (9) and a driving motor (16) which is fixed in the device frame body (9), wherein a power line insertion channel (50) is arranged in the device frame body (9) for inserting a power line (5), the driving motor (16) is in power connection with a screw (161) which extends downwardly from the driving motor (16), the screw (161) is in screw-thread fit with a driving wedge block (10), and a wedge surface on the right side of the driving wedge block (10) is in sliding fit with a slope surface of a main body (151) of a lock-up sliding block (15) which can slide leftwards and rightwards on a bearing lock-up sliding block (12).

Description

technical field [0001] The present application relates to the field of construction machinery, in particular to a power cord connection locking device for construction machinery with tension springs. Background technique [0002] In the process of building construction, some movable machinery is usually used, such as some grinders, eye drills and some movable power tools. These machines require a larger operating range or radius and typically have longer power cords. [0003] During the construction process, the operator may constantly pull the power cord to reach different work areas due to the needs of the work, which often causes the power cord and the socket device to loosen, causing unexpected interruption to the work. This interruption will not only reduce the construction efficiency and bring inconvenience to the operator, but also in some more important work occasions, this unexpected power interruption will cause safety accidents. Contents of the invention [00...

Claims

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Application Information

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IPC IPC(8): H01R13/629H01R13/635H01R13/639
Inventor 李琴琴
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO
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