一种机动车拖车钩拉力测试装置
By installing a support frame and cylinder on the top of the base, the trailer hook pull force testing device solves the problems of large site requirements and poor size adaptability in the existing technology, and realizes efficient and accurate trailer hook pull force testing.
CN224518358UActive Publication Date: 2026-07-17SHANGHAI RUOHAI AUTO PARTS CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI RUOHAI AUTO PARTS CO LTD
- Filing Date
- 2025-07-29
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing methods for testing trailer hook tensile strength require a large space and are not convenient for fixing trailer hooks of different sizes.
Method used
A vehicle trailer hook tensile testing device was designed. By setting a support frame and a cylinder on the top of the base, the cylinder drives the lifting plate and hook to conduct tensile testing. The device also uses a mounting frame, a motor, and a threaded rod to fix trailer hooks of different sizes.
Benefits of technology
It enables efficient and accurate tensile testing in a compact space, is compatible with trailer hitches of different sizes, reduces testing errors and site requirements, and improves operational convenience and safety.
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Smart Images
Figure CN224518358U_ABST
Abstract
本实用新型公开一种机动车拖车钩拉力测试装置，包括底座和升降板，本实用新型通过在底座顶部设置支撑架，支撑架顶部设置有气缸，气缸底部活动杆底部连接有升降板，升降板底部通过铁链连接有挂钩，底座顶部设置有安装架，在测试时将拖车钩固定在安装架顶部后，将升降板底部的挂钩与拖车钩连接，此时启动气缸带动升降板和挂钩向上移动，即可对拖车钩进行拉力测试，测试拖车钩在设定拉力的情况下是否有变形、断裂的情况发生。
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