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a climbing hook

The technology of a climbing hook and a hook body is applied to the climbing hook. , In the field of mountaineering tools, it can solve problems that affect the service life of the mountaineering hook, affect the personal safety of users, and have low tensile strength, so as to achieve the effects of easy mountaineering, personal safety, and low extrusion force

Inactive Publication Date: 2016-09-07
NINGBO YINZHOU TIANYING ALUMINUM PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In summary, the existing caravan hooks are unreasonable in design and have low tensile strength, which affects the service life of the carabiner hooks, thereby affecting the personal safety of users

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Ingredients: According to the ingredients of each element of the mountaineering hook and its mass percentage, the elemental composition and its mass percentage of the mountaineering hook are: Zn: 5.7%, Mg: 2.5%, Cr: 0.23%, Cu: 1.4%, Mn : 0.3%, Si: 0.4%, Fe: 0.5%, Ti: 0.2%, and the balance is Al and unavoidable impurities.

[0047] Melting: Put the prepared alloy into the melting furnace and melt it at 740°C for 60 minutes to obtain molten aluminum. 2 Cl 6 Spray aluminum liquid, refining at 730°C for 20 minutes, the refining agent C 2 Cl 6 0.5% of the aluminum liquid is added, and then 0.3% slag remover is sprinkled on the surface of the degassed and refined aluminum liquid, stirred at 730°C for 2 minutes and allowed to stand, and after standing for 3 minutes, the slag is removed. Wherein, the slag cleaning agent is processed and refined from chlorides, fluorides and carbonates containing sodium and potassium.

[0048] Casting: Preheat the mold to 340°C, then adjust ...

Embodiment 2

[0052] Ingredients: According to the ingredients of each element and its mass percentage of the mountaineering hook, the elements of the mountaineering hook and their mass percentage are: Zn: 5.1%, Mg: 2.9%, Cr: 0.18%, Cu: 1.5%, Mn : 0.3%, Si: 0.4%, Fe: 0.5%, Ti: 0.2%, and the balance is Al and unavoidable impurities.

[0053] Melting: Put the prepared alloy into the melting furnace and melt it at 730°C for 50 minutes to obtain molten aluminum, and first carry out degassing and refining, after refining, let stand to remove slag; use high-purity nitrogen to put the powdered refining agent ZnCl 2 Spray aluminum liquid, refining at 730°C for 15 minutes, the refining agent ZnCl 2 0.2% of the aluminum liquid is added, and then 0.2% slag remover is sprinkled on the surface of the degassed and refined aluminum liquid, stirred at 720°C for 2 minutes and allowed to stand, and after standing for 3 minutes, the slag is removed. Wherein, the slag cleaning agent is processed and refined f...

Embodiment 3

[0058] Ingredients: According to the ingredients of each element and its mass percentage of the mountaineering hook, the elements of the mountaineering hook and their mass percentage are: Zn: 6.1%, Mg: 2.3%, Cr: 0.28%, Cu: 1.2%, Mn : 0.3%, Si: 0.4%, Fe: 0.5%, Ti: 0.2%, and the balance is Al and unavoidable impurities.

[0059] Melting: Put the prepared alloy into the melting furnace and melt it at 760°C for 80 minutes to obtain molten aluminum, and first carry out degassing and refining, after refining, let it stand for slag removal; use high-purity nitrogen to put the powdered refining agent ZnCl 2 Spray aluminum liquid, refining at 728°C for 25 minutes, the refining agent ZnCl 2 0.15% of the aluminum liquid is added, and then 0.5% slag remover is sprinkled on the surface of the degassed and refined aluminum liquid, stirred at 740°C for 3 minutes and allowed to stand, and after standing for 5 minutes, the slag is removed. Wherein, the slag cleaning agent is processed and ref...

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Abstract

The invention relates to a mountain-climbing hook and a processing technology thereof. The mountain-climbing hook comprises a movable rod and a hook body with an articulation hole, wherein the outer peripheral surface of the hook body is encircled by an inner arc-shaped surface, an outer arc-shaped surface and two flat planes; the cross section abutting against the bottom of a gap and the cross section at the lower end of a mounting plate are intersected at a point A; when the movable rod is rotated, the upper end of the movable rod and the inner arc-shaped surface are intersected at a point B, the point A and the point B are connected to form a straight line Z, the shortest straight-line distance between a central point C of the cross section of the articulation hole and the outer arc-shaped surface is L3, and the shortest straight-line distance between the point C and the straight line Z is L4. The processing technology of the mountain-climbing hook is specifically as follows: smelting a well prepared alloy into an aluminum solution, degassing, refining, standing, skimming, and then casting into an aluminum alloy round cast bar; performing extrusion forming in a reverse direction; and performing heat treatment on a cast piece to obtain the mountain-climbing hook. The mountain-climbing hook provided by the invention has the advantages of relatively high tensile strength, corrosion resistance and fracture toughness, as well as long service life.

Description

technical field [0001] The invention belongs to the technical field of daily necessities, and relates to a climbing tool, in particular to a climbing hook. Background technique [0002] Mountaineering: refers to a sports activity in which athletes climb from low-altitude terrain to high-altitude peaks with bare hands or special equipment under specific requirements. Mountaineering can be divided into mountaineering expeditions (also known as alpine expeditions), competitive climbing (including rock climbing, ice climbing, etc.) and fitness mountaineering. Mountaineering tools are essential supplies for climbers. Mountaineering tools should adapt to the environmental conditions of mountaineering. In terms of design, material selection, materials, and production, they should be as light, strong, efficient, and multi-purpose as possible. Often going out for mountaineering and camping activities is of great benefit to the human body. From a medical point of view, it has direct ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A63B29/02
Inventor 钱年丰
Owner NINGBO YINZHOU TIANYING ALUMINUM PROD
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