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Mine car track for mine conveying

A technology for mine transportation and rails, which is applied in the field of mine car rails for mine transportation. It can solve problems such as low hardness of mine car rails, short service life, safety accidents, etc., and achieve simple and feasible preparation process, improved mechanical properties, and good corrosion resistance. Effect

Inactive Publication Date: 2016-01-13
SHANDONG GOLD MINING IND YINAN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The mine car track in the prior art has the disadvantages of low hardness, fast wear and short service life, which may easily cause safety accidents

Method used

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  • Mine car track for mine conveying

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A mine car track for mine transportation, which is prepared from the following raw materials in parts by weight:

[0019] 1 part of vanadium oxide (Vanadium(IV) oxide, also known as vanadium pentoxide) powder, 2 parts of magnesium powder, 3 parts of glass fiber, 5 parts of titanium carbide powder, 10 parts of nickel powder, 12 parts of copper powder, 15 parts of niobium powder, 15 parts of graphite powder, 30 parts of tungsten powder, 30 parts of aluminum powder, 1000 parts of iron powder. The particle diameters of the above raw materials are all controlled within 100um.

[0020] The preparation method of above-mentioned track comprises the steps:

[0021] 1) Weigh each raw material according to the weight part for later use;

[0022] 2) Add glass fiber and graphite powder to acetone in turn, stir at 100 rpm for 6 hours, and then refrigerate at 4°C for 12 hours to obtain auxiliary materials; among them, the mass of acetone is twice that of graphite powder;

[0023] 3...

Embodiment 2

[0026] A mine car track for mine transportation, which is prepared from the following raw materials in parts by weight:

[0027] 2 parts of vanadium oxide (Vanadium(IV) oxide, alias alum pentoxide) powder, 3 parts of magnesium powder, 5 parts of glass fiber, 8 parts of titanium carbide powder, 15 parts of nickel powder, 18 parts of copper powder, 20 parts of niobium powder, 20 parts of graphite powder, 40 parts of tungsten powder, 40 parts of aluminum powder, and 1200 parts of iron powder. The particle diameters of the above raw materials are all controlled within 100um.

[0028] The preparation method of above-mentioned track comprises the steps:

[0029] 1) Weigh each raw material according to the weight part for later use;

[0030] 2) Add glass fiber and graphite to acetone in turn, stir at 100 rpm for 6 hours, and then refrigerate at 4°C for 12 hours to obtain auxiliary materials; among them, the mass of acetone is twice that of graphite powder;

[0031] 3) Mix vanadium...

Embodiment 3

[0034] 1. Mechanical performance test: GCr15 alloy steel commonly used in the market is used as the control group, and three groups are respectively set up: 1 is the embodiment 1 group, 2 is the embodiment 2 group, and 3 is the control group; the specific test results are shown in Table 1:

[0035] Table 1

[0036]

[0037] Conclusion: The track prepared by the invention shows good performance in terms of tensile strength, hardness, bending strength, elongation after break, hardness and impact energy, etc., which fully meets the needs of mine transportation.

[0038] 2. According to GB10124-1988 metal material laboratory uniform corrosion full immersion test method, put the sample prepared in the above embodiment obliquely in the 3.5% NaCl solution, take it out after 4 days with CrO3+AgNO3+Ba(NO3)2+distilled water Remove the corrosion products on the surface of the sample, then clean it with acetone and absolute alcohol, and measure the corrosion rate (mm / a).

[0039] The ...

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Abstract

The invention belongs to the technique range of mine conveying systems, and discloses a mine car track for mine conveying. The mine car track comprises, by weight, 1-2 parts of vanadium oxide powder, 2-3 parts of magnesium powder, 3-5 parts of glass fiber, 5-8 parts of titanium carbide powder, 10-15 parts of nickel powder, 12-18 parts of copper powder, 15-20 parts of niobium powder, 15-20 parts of graphite powder, 30-40 parts of tungsten powder, 30-40 parts of aluminum powder and 1,000-1,200 parts of iron powder. The raw material components have a good synergistic effect, and high mechanical hardness, tensile strength, bending strength and corrosion resistance can be achieved.

Description

technical field [0001] The invention belongs to the technical scope of mine transportation system and relates to a mine car track used for mine transportation. Background technique [0002] In the mine transportation system, most mines adopt a closed-circuit mine car automatic sliding system to improve transportation efficiency. The mine car track of prior art, its slope rail is generally all fixed. The mine car track of this fixed slope rail determines that when the mine car is transported from the lower track to the upper track, it must be driven by a chain climbing machine or other power. Therefore, the requirements for the track in the transportation system are relatively high. [0003] The mine car track of the prior art has the disadvantages of low hardness, fast wear and short service life, which may easily cause safety accidents. Contents of the invention [0004] The purpose of the present invention is to provide a mine car track for mine transportation, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/16C22C33/04
Inventor 陈贵亮张吉安乔惠芳王磊张文国李宗峰王世龙赵而良
Owner SHANDONG GOLD MINING IND YINAN CO LTD
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