Method for cladding wear-resistant material on the surface of wear-resistant middle plate for coal mining equipment
A wear-resistant material and cladding technology, used in welding equipment, arc welding equipment, metal processing equipment, etc., can solve the problems of peeling, bending of plates, limited wear resistance, etc., and achieve the effect of enhanced wear resistance.
Active Publication Date: 2020-10-09
山东矿机华能装备制造有限公司
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Problems solved by technology
The cladding method used in the prior art is prone to bending due to the large deformation of the plate after heating and cooling, and cracks, faults, and peeling after straightening, resulting in limited wear resistance and affected appearance
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[0021] Below in conjunction with accompanying drawing and embodiment the present invention is further described:
[0022] A method for cladding wear-resistant materials on the surface of a wear-resistant middle plate for coal mining equipment, used for such as Figure 1 to Figure 6 The surface of the commonly shown wear-resistant middle plate 1 is clad with wear-resistant materials. It includes steps:
[0023] S10, blanking: prepare the plate material of the wear-resistant middle plate 1; the preferred length of the plate material of the wear-resistant middle plate 1 is 1500+7mm, and the width is 470+4mm; the wear-resistant middle plate 1 will shrink after the cladding is completed. Comes to expected size.
[0024] S20. Plate pre-deformation treatment: use a hydraulic press to bend the wear-resistant middle plate 1 to make it reversely deformed, that is, to bend to the back side where the wear-resistant material needs to be clad.
[0025] One end of the wear-resistant middl...
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Abstract
The invention discloses a method for cladding the surface of a wear-resistant middle plate for coal mining equipment with a wear-resistant material. The method comprises the steps that when the surface of the wear-resistant middle plate for the coal mining equipment is clad with the wear-resistant material, a plate material of the wear-resistant middle plate is subjected to predeformation treatment, and the wear-resistant middle plate is bent towards the back face of the surface to be clad with the wear-resistant material; the surface of the wear-resistant middle plate is subjected to cleaningtreatment, and the cladding conditions of electric current, voltage, gas flow and the like are determined; a carbon dioxide gas shield welder is used for carrying out wear-resistant material claddingtreatment; the clad wear-resistant middle plate is subjected to annealing treatment; and finally, the wear-resistant middle plate is subjected to straightening treatment. By adopting the cladding method, the surface of the wear-resistant middle plate after being clad with the wear-resistant material is prevented from generating the phenomena such as cracks, faults, desquamating and the like, andthe wear-resistant effect of the wear-resistant middle plate can be improved.
Description
technical field [0001] The invention relates to the technical field of coal mining equipment, in particular to a method for cladding wear-resistant materials on the surface of a wear-resistant middle plate for coal mining equipment. Background technique [0002] Wear-resistant mid-plates are often used in coal mining equipment, such as the mid-plate in the convex groove of the scraper loader. The mining scraper transfer machine is used for reloading and transporting coal between the working face conveyor and the retractable belt conveyor along the groove. After using the scraper transfer machine, it can avoid frequent movement of the tail of the belt conveyor along the groove. The convex groove is the scraper The key part of the connection between the plate transfer machine and the retractable belt conveyor along the groove, the retractable belt conveyor along the groove is lifted from the convex groove to the belt conveyor, so as to ensure the normal operation of the workin...
Claims
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IPC IPC(8): B23P15/00B23K9/16B23K9/007
Inventor 秦玲玲王海燕薛海强王鹏郭宏伟吕辉黄传喜赵洪林律永胜崔成锐郭心江李德华张志美毛瑞斌赵松涛辛永刚吴晓刚于均正赵文龙赵志刚张伦伦秦世强孙勇刘文虎
Owner 山东矿机华能装备制造有限公司