A protective device for testing an oil pump

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By designing a protective device for testing oil pumps, and utilizing a 'U'-shaped protective cover and baffle structure, 100% oil recovery was achieved, solving the problem of oil spillage, improving safety and ease of installation, and reducing costs.

CN224432783UActive Publication Date: 2026-06-30CHINA NORTH ENGINE RES INST

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: CHINA NORTH ENGINE RES INST
Filing Date: 2025-09-08
Publication Date: 2026-06-30

AI Technical Summary

Technical Problem

In existing diesel engine component oil pump tests, oil is easily thrown off the worktable as the shaft rotates, resulting in oil waste and safety hazards.

Method used

Design a protective device for testing an oil pump, including a 'U'-shaped protective cover, first and second protective partitions, and a first and second level of protection to guide the oil back to the oil tank. Combined with transparent material and bolt fixing, 100% recovery is achieved.

Benefits of technology

It improves the oil-blocking effect, reduces the probability of failure, enhances safety and ease of installation, and reduces production costs.

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Abstract

This utility model relates to the technical field of protective devices, specifically disclosing a protective device for testing an oil pump. It includes an oil tank, a workbench inside the oil tank, an oil pump mounting bracket on the upper surface of the workbench, an oil pump mounted on the upper surface of the oil pump mounting bracket, a second connecting member at one end of the oil pump, and a first connecting member at the other end of the second connecting member. A protective mechanism is located above the workbench. This utility model has a simple structure, is easy to implement, economical, highly installable, and has a long service life. Compared with existing oil-blocking devices, it achieves lightweight design and vertical support; it overcomes the problems of inadequate positioning and protection caused by the lack of planar support during service, improving the reliability of the protective system and reducing the probability of failure.

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