Portable hydraulic well lid extraction tool
The design of the portable hydraulic manhole cover puller solves the problems of inconvenience in carrying and insufficient stability of existing manhole cover pullers, and realizes easy and efficient manhole cover pulling and convenient carrying.
CN224337178UActive Publication Date: 2026-06-09QINGDAO ENERGY THERMAL POWER GRP SIXTH THERMAL POWER CO LTD
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Patent Information
- Application Number
- CN202521765489.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-19
- Publication Date
- 2026-06-09
- Estimated Expiration
- 2035-08-19
AI Technical Summary
Technical Problem
Existing manhole cover pullers are inconvenient to carry, require a lot of physical effort, are not stable enough, and are difficult to pull efficiently in confined spaces.
Method used
A portable hydraulic manhole cover puller was designed, which adopts a telescopic beam structure, a detachable lifting frame and auxiliary support, and a jack to provide stable support and convenient operation.
Benefits of technology
It enables the removal of manhole covers without requiring a large amount of labor, is easy to carry, has high stability, is suitable for various manhole cover sizes, and reduces the risk of the puller tilting.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model provides a portable hydraulic well lid puller which comprises a main beam, a first hoist frame, a second hoist frame and an auxiliary support, the main beam is of a telescopic beam structure, a pulling piece is arranged in front of the telescopic structure, the first hoist frame and the second hoist frame are arranged on the two sides of the main beam respectively, and the auxiliary support is arranged on the main beam and hinged to the main beam. The bottom of the first hoisting frame is detachably connected with a jack; by arranging the structure of the auxiliary bracket, an additional supporting point can be provided for the extraction tool through hinging, so that the stability during extraction is guaranteed, and the influence on normal work caused by the inclination of the extraction tool due to unbalanced force application is reduced; in addition, through the arrangement of hinge joint and detachable connection, the whole extraction tool can be conveniently stored and carried in a split mode and carried in a folded mode, workers can conveniently carry the extraction tool out for work, carrying is more convenient, and the occupied space is small.
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