Anti-unhooking device for a double hook of a crane
By installing a combination structure of ring, pin, frame and limit rod on the hook, the automatic locking and opening of the hook is realized, which solves the problems of poor operability and insufficient reliability of the existing device, and improves service life and safety.
CN224313085UActive Publication Date: 2026-06-02PANGANG GRP PANZHIHUA STEEL & VANADIUM
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- PANGANG GRP PANZHIHUA STEEL & VANADIUM
- Filing Date
- 2025-05-16
- Publication Date
- 2026-06-02
AI Technical Summary
Technical Problem
Existing hook anti-disengagement devices are difficult to operate, lack versatility and reliability, are easily damaged, and pose safety hazards.
Method used
It adopts a combination structure of mounting ring, pin, frame, limit rod and handle, and uses its own weight to lock. The frame can be automatically locked and opened by sliding through the pin, which enhances strength and simplifies operation.
Benefits of technology
It has improved the service life and reliability of the device, simplified installation and maintenance, provided safety assurance, and eliminated safety hazards.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224313085U_ABST
Abstract
The utility model relates to the field of locking device, concretely relates to a kind of anti-unhooking device for crane double-hook lifting hook, including mounting ring, pin shaft, frame, first limit rod, second limit rod and handle.Installation ring is connected on hook handle;One pin shaft is respectively arranged in the both sides of installation ring;One frame is respectively connected in the both sides of double hook, and long slot position is set in the front end of each frame, and pin shaft and frame are connected by long slot position correspondingly;First limit rod is connected on frame, and first limit rod is welded in the end of frame close to long slot position;Second limit rod is connected on frame, and second limit rod is welded in the end of frame away from long slot position;Handle is connected on frame, and handle is welded in the bottom end of frame.The anti-unhooking device provided by the utility model is higher in strength than original anti-unhooking baffle, safe and convenient to operate, utilizes self-weight locking, improves the service life and reliability of device, makes installation, maintenance and replacement more simple, provides security guarantee, and guarantees the safety of crane operation.
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