Opening device for municipal well lid

Abstract

The invention discloses an opening device for a municipal well lid, and belongs to the technical field of municipal equipment. The opening device for the municipal well lid comprises a base, wherein avertical plate is mounted on the upper surface of the base; bolts mounted at the upper end of the vertical plate are connected through a connecting rod; a warp plate is arranged on the connecting rod; one end of the warp plate is connected with a second hanging ring; the second hanging ring is connected with a third hanging ring through a steel wire rope; the third hanging ring is mounted on a well lid clamping device; and the well lid clamping device comprises an outer frame body, a first baffle, a second baffle, a first ejector, a second ejector and an inner connecting column. The whole well lid clamping device can be easily placed in a hole which is formed in the well lid, meanwhile, the well lid clamping device is placed in the hole in the well lid and the well lid is clamped by a telescopic guiding rod, in a whole process of opening the well lid, the well lid clamping device cannot slip off from the inside of the hole in the well lid, the well lid is clamped firmly, lid opening cannot fail, and the lid opening success rate is high.

Description

technical field [0001] The invention relates to the technical field of municipal equipment, in particular to a cover opening device for municipal well covers. Background technique [0002] Manhole covers are used to cover roads or deep wells at home to prevent people or objects from falling. Tongzhou Liuhe Casting can be divided into metal manhole covers, high-strength fiber cement concrete manhole covers, resin manhole covers, etc. according to their materials. They are generally round and can be used for green belts, sidewalks, Motor vehicle lanes, docks, alleys, etc. [0003] At present, there is no special tool for removing the manhole cover, and due to the heavy weight of the manhole cover, it is very difficult to remove the manhole cover manually due to the heavy-duty rolling of the temporary traffic vehicles and the tight fit with the wellbore. [0004] Chinese Patent No. CN 207142794 U discloses a kind of lid opening device for municipal manhole cover. When in use, ...

AI Technical Summary

Problems solved by technology

[0003] At present, there is no special tool for taking out the manhole cover, and because of the heavy weight of the manhole cover, it is very difficult to remove the manhole cover manually due to the heavy-duty rolling of the temporary traffic vehicles and the tight fit with the wellbore.

[0004] Chinese Patent No. CN 207142794 U discloses a kind of lid opening device for municipal manhole cover. When in use, the warping piece on the seesaw plate can be inserted in the hole on the manhole cover. The end of the rocker away from the rocker is pulled down. At this time, the end of the rocker close to the rocker will lift the well cover through the principle of leverage, or the manhole cover can also be lifted by manually pressing the end of the rocker away from the rocker. When the cover de

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