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Labor-saving wrench

A wrench and connecting device technology, applied to wrenches, manufacturing tools, screwdrivers, etc., can solve problems such as shortening power outage time, achieve the effects of saving operating time, improving maintenance efficiency, and easing labor intensity

Pending Publication Date: 2018-02-23
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the deficiencies in the prior art, the present invention provides a labor-saving wrench, which can solve the inconvenience of using two wrenches with both hands in a narrow space in the traditional operation mode, and improve the condition maintenance and accident handling of switching stations and power distribution rooms. Efficiency, ease labor intensity during operation, shorten power outage time

Method used

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Embodiment Construction

[0016] The present invention will be described in further detail below in combination with the accompanying drawings, and specific implementation methods will be given.

[0017] Such as Figure 1-3 , Image 6 As shown, a labor-saving wrench includes a spline shaft 1, a sleeve 21 and a handle 4. The upper part of the sleeve 21 is provided with a bolt head groove 24, and the lower part is provided with a cylindrical groove 25; the two ends of the spline shaft are respectively socketed There are a first connecting device and a second connecting device, the first connecting device can move up and down along the axis of the spline shaft, the second connecting device is fixedly connected with the spline shaft 1; the sleeve 21 is arranged on the first connecting device and the second connecting device Between the devices; the end of the first connection device away from the spline shaft is provided with a nut-shaped sleeve hole 11, and the end of the second connection device away fr...

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Abstract

The invention discloses a labor-saving wrench. The labor-saving wrench comprises a spline shaft and a sleeve, wherein the two ends of the spline shaft are separately in sleeving connection with a first connecting device and a second connecting device; the first connecting device can move up and down along the axis of the spline shaft; the second connecting device is fixedly connected with the spline shaft; the sleeve is arranged between the first connecting device and the second connecting device; one end, away from the spline shaft, of the first connecting device is equipped with a nut-shapedsleeve hole; and a reversing gear box is further arranged between the sleeve and the second connecting device. Compared with the prior art, the labor-saving wrench has the advantages that an existingdouble-hand one-way stressed operation mode is changed into a single-hand two-way stressed mode, so that operating and maintaining efficiency can be improved, operation labor intensity is relieved, and maintaining power-failure time of electric equipment is shortened.

Description

technical field [0001] The invention relates to a hand tool for power equipment maintenance, in particular to a labor-saving wrench. Background technique [0002] With the continuous development of economy and society, the demand for electricity continues to increase, and the scale of power equipment is also increasing. In addition, in urban planning and construction, especially in urban central areas, considering the beauty of the city and reducing safety hazards, it has gradually become a new trend to replace overhead lines with cables in distribution network construction and column-mounted equipment with station equipment. Condition-based maintenance can eliminate defects accumulated in the operation of power equipment or caused by harsh operating environments in advance, so as to prevent defects from developing into accidents and improve the operational reliability and safety of the distribution network. In the process of condition maintenance and accident handling, it ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B13/06B25B23/00
CPCB25B13/06B25B23/00
Inventor 易林向文平张建张玉荣李杨邓群宗哲东吴冀湘杜茗茗张杰恺杨占刚刘云龙李永森柳狄
Owner STATE GRID CORP OF CHINA
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