A wrecker drag arm

By designing a tow arm for recovery vehicles that is suitable for various vehicle sizes, the problems of caliper replacement and ground operation have been solved, achieving the effects of cost reduction and ease of use.

CN224675979UActive Publication Date: 2026-08-25JIANGSU JINBO RONGJUE MACHINERY CO LTD
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Patent Information

Application Number
CN202521794258.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-22
Publication Date
2026-08-25
Estimated Expiration
2035-08-22

AI Technical Summary

Technical Problem

The existing tow arm of the recovery vehicle requires the calipers to be replaced according to the size of different vehicle load-bearing frames, which is inconvenient to use and increases costs. In addition, the staff has to lie on the ground to observe the clamping position.

Method used

A tow arm for a recovery vehicle has been designed, including a first support frame, a first telescopic arm, a fixing component, and a locking component. The fixing component secures the vehicle tires through a limit frame and a locking frame, and the locking component locks the vehicle through a locking pin and a long rod bolt. The articulated column reduces the turning radius, making it suitable for various vehicle sizes and eliminating the need to replace the calipers.

Benefits of technology

It eliminates the need to replace calipers, is suitable for most passenger cars, reduces operating costs, is easy to operate, reduces the need for personnel to operate on the ground, and improves ease of use.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model discloses a tow arm of wrecker, including first support frame, the first support frame inside sliding connection has first telescopic arm, the tow arm of wrecker still includes fixed subassembly and locking subassembly, the fixed subassembly can fix car tire, the fixed subassembly includes a pair of second support, the side wall on second support is integrally formed with limit support, the second support is slidingly connected with second telescopic arm, the fixed connection of locking support has on second telescopic arm, the locking support is L -shaped, the locking support is fixedly connected in limit support away from second telescopic arm one end, the locking subassembly is used for locking first telescopic arm. Compared with prior art, the utility model discloses a tow arm of wrecker, does not need to replace the calliper when towing the car, can be applicable to the most domestic car on the market, can effectively reduce the use cost of wrecker, does not need staff to lie on the ground and observe the position of car bearing frame when towing the car, is convenient to use.
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