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Device for tightening threaded fasteners

A fastener and reaction technology, applied in the direction of portable motorized devices, screwdrivers, wrenches, etc., can solve the problems of inaccuracy, achieve high inertia, and improve the effect of torque output

Active Publication Date: 2016-09-14
HYTORC DIV UNEX CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Impact wrenches are no longer suitable for high torque situations due to inaccuracy and vibration, which is the cause of elbow inflammation
And because of the low speed the torque wrench is no longer suitable for low torque

Method used

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  • Device for tightening threaded fasteners
  • Device for tightening threaded fasteners
  • Device for tightening threaded fasteners

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] For example refer to figure 1 , which shows a perspective view of a device 1 for counterforce-free and counterforce-assisted tightening and loosening of industrial fasteners according to an embodiment of the present invention. The device 1 comprises a drive assembly 100 , a reinforcement assembly 200 , a gear / mode switching assembly 300 , a rotation / turning reaction assembly 400 and a safety assembly 500 .

[0031] For example refer to figure 2 , which shows a cross-sectional view of a device 1A according to an embodiment of the present invention. Device 1A is similar to device 1 and as indicated by the same reference numerals.

[0032] The driving assembly 100 may include a driving housing 101 , a driving mechanism 102 , a handle 104 and a switching mechanism 105 . The drive 102 generates a rotational force to rotate the fastener and is shown shaped as a motor drive including a motor. The driving mechanism 102 can also be formed as a manual driving mechanism, such...

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PUM

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Abstract

According to a first aspect of the present invention there is provided a power tool for non-reaction and reaction-assisted tightening and loosening of industrial fasteners, the tool comprising: Motor (102); rotational force enhancement mechanism (210) for lower speed / higher torque mode, including multiple rotational force enhancement transmission components (211, 212, 213); for higher speed / lower torque mode A rotational force impact mechanism (250) in torque mode, comprising a plurality of rotational force impact transmission components (251, 252); a housing (220) operatively connected to at least one enhanced transmission component; and a reaction mechanism (401), used to convert the a reaction force developed on the housing during a lower speed / higher torque mode in which at least two of the enhanced transmission components rotate relative to the other is transmitted to the stationary object, and Wherein at least two enhanced transmission components are integrated during the higher speed / lower torque mode to effectuate the hammering motion from the impact mechanism.

Description

technical field [0001] This application is co-pending U.S. Application No. 61 / 302598, filed February 9, 2010, entitled "Torque Tool Having Intensifier and Impact Means" and filed January 5, 2011, entitled "An Apparatus for Tightening and Loosening an Industrial Fastener", the entire contents of which are incorporated herein by reference. [0002] The inventions disclosed in this application improve upon the technology disclosed in the following commonly owned issued patents and patent applications, the entire contents of which are incorporated herein by reference: Filed May 7, 2007 US Application No. 11 / 745014 entitled "Power-Driven Torque Intensifier"; US Patent No. 7798038 entitled "Reaction Arm For Power-Driven Torque Intensifier" issued September 21, 2010; May 2008 U.S. Application No. 12 / 120346, entitled "Safety Torque Intensifying Tool," filed on December 14; U.S. Application No. 12 / 325815, entitled "Torque Power Tool," filed on December 1, 2008; and U.S. Application N...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25B21/02B25B23/00
CPCB25B21/02B25B23/0078B25F5/001B25F5/025
Inventor R·J·拉斯卡E·P·琼克尔斯P·克彭赫弗
Owner HYTORC DIV UNEX CORP
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