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Variable-diameter fixture for circular ring

A variable, circular technology, applied in the direction of manufacturing tools, clamping, supports, etc., can solve problems such as large outer diameters

Inactive Publication Date: 2015-09-16
陈颖
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For round pipe objects, sometimes the outer wall cannot be touched or the outer diameter is too large, and only the inner diameter can be clamped, the existing clamps will have shortcomings.

Method used

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  • Variable-diameter fixture for circular ring
  • Variable-diameter fixture for circular ring
  • Variable-diameter fixture for circular ring

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with specific embodiments. The exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not as a limitation to the present invention.

[0014] Such as figure 1 , figure 2 , image 3 As shown, a variable-diameter jig for a ring, when the object to be clamped is determined, the present invention is put into the inner ring of the object, and the rotating hand wheel 6 is rotated forward, and the rotating hand wheel 6 drives the ratchet 12 and the large The bevel gear 11 rotates, and the large bevel gear 11 drives the four small bevel gears 4 to rotate through meshing. The four small bevel gears 4 rotate while driving the fixed shaft 3 to rotate. After the fixed shaft 3 rotates, its internal thread will drive the telescopic shaft 2. The external thread rotates, thereby pushing the four telescopic shafts 2 to extend outward. When the four claws 1 are f...

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PUM

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Abstract

The invention provides a variable-diameter fixture for a circular ring. The variable-diameter fixture comprises a clamping jaw, a telescopic shaft, a fixing shaft, a small bevel gear, a mounting axle center seat, a rotating hand wheel, a mounting and rotating bracket, a fixing buckle, a ratchet strip, a small tension spring, a large bevel gear and a ratchet. The variable-diameter fixture can be used for clamping, lifting and fixing circular ring heavy objects with different inner diameters and is convenient to use and mount. A self-lock thread transmits a load, inner diameter circular pipe walls of the circular ring heavy objects can be firmly clamped by the aid of the retaining function of the ratchet when the fixture is used, unloading can be realized easily and simply only by poking the ratchet strip and reversely rotating the hand wheel, and the variable-diameter fixture can effectively solve the problem that some tubular heavy objects are difficultly grabbed and fixed.

Description

technical field [0001] The invention provides a fixture, in particular a variable-diameter fixture for a ring, which belongs to the technical field of fixtures. Background technique [0002] The device used to fix the processing object in the process of mechanical manufacturing so that it occupies the correct position to accept construction or inspection, also known as fixture. In a broad sense, any process in the process, the device used to install the workpiece quickly, conveniently and safely, can be called a fixture. Such as welding fixtures, inspection fixtures, assembly fixtures, machine tool fixtures, etc. For round pipe objects, sometimes the outer wall cannot be touched or the outer diameter is too large, and only the inner diameter can be clamped, the existing clamps will have shortcomings for this. Contents of the invention [0003] In view of the above problems, the present invention provides a variable-diameter fixture for circular rings, which is simple in ...

Claims

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Application Information

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IPC IPC(8): B25B11/00
CPCB23Q3/00B23Q2703/10B25B11/00
Inventor 冯圣冰
Owner 陈颖
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