Wear resistance detection device for laser cladding coating of inner hole of cylinder sleeve of mine water injection pump

By designing a combination of limiting components, cooling slurry delivery mechanism and reciprocating test mechanism, the problems of complex disassembly and assembly and uneven slurry distribution in existing devices are solved, and rapid disassembly and assembly and accurate testing of wear resistance of cylinder liner inner hole coating are achieved.

CN122259397APending Publication Date: 2026-06-23HOHAI UNIV +1
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Patent Information

Application Number
CN202610366376.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-24
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

Existing wear-resistant testing devices for laser cladding coatings on the inner bore of mine water injection pump cylinder liners suffer from problems such as complex disassembly and assembly, and uneven mud distribution leading to inaccurate test results.

Method used

A testing device was designed, comprising a limiting component, a cooling and conveying mechanism, and a reciprocating test mechanism. The limiting component quickly fixes the cylinder liner, the cooling and conveying mechanism maintains the uniformity of the mud, and the reciprocating test mechanism enables the rapid assembly and disassembly of the piston and mud mixing, simulating actual working conditions.

Benefits of technology

It enables rapid disassembly and assembly for wear resistance testing of cylinder liner inner bore coatings and improves the accuracy of test results, ensuring testing efficiency and reliability.

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Abstract

The invention discloses a mine water injection pump cylinder sleeve inner hole laser cladding coating wear resistance detection device, and relates to the technical field of cylinder sleeve inner hole detection.The mine water injection pump cylinder sleeve inner hole laser cladding coating wear resistance detection device comprises a slotting machine, a cooling slurry conveying mechanism and a reciprocating test mechanism, a test box is arranged on a workbench of the slotting machine, a limiting assembly is arranged in the test box, and the cooling slurry conveying mechanism is arranged on the side face of the test box; the reciprocating test mechanism is arranged on a ram of the slotting machine, tests the cylinder sleeve through a nitrile rubber piston on the ram, and is used for dismounting, mounting and replacing the nitrile rubber piston during the test and stirring the coal gangue slurry during the test at the same time, and the reciprocating test mechanism is arranged on the ram of the slotting machine and is used for conveying the coal gangue slurry into the test box and cooling the cylinder sleeve during the test. According to the device, the disassembly and assembly time of the nitrile rubber piston on the device is shortened, the detection efficiency is improved, meanwhile, the stirring impeller and the spiral groove of the driving rod further improve the slurry distribution uniformity, cooperative linkage of piston reciprocating motion and slurry stirring is achieved, and the accuracy of the wear resistance detection result is effectively improved.
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