Henan Yuntian Crane Co., Ltd.
YUNTIAN CRANE-China's leading brand of industrial cranes
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QZ Model 20 Ton Double Girder Overhead Travelling Crane With Grab
QZ Model Double Girder Overhead Crane Description
Double Girder Grab Electric Overhead Traveling Crane is mainly composed of a box bridge, a grab trolley, a cart operating mechanism, a driver's cab and an electrical control system. The pick-up device is a grab bucket that can grab bulk materials. The grab bridge crane has an opening and closing mechanism and a hoisting mechanism. The grab is suspended on the opening and closing mechanism and the hoisting mechanism with four wire ropes respectively. The opening and closing mechanism drives the grab bucket to close and grab the material.
When the bucket mouth is closed, the hoisting mechanism is started immediately, so that the four steel wire ropes are evenly loaded for hoisting work. . When unloading, only the opening and closing mechanism is activated, and the bucket mouth is opened immediately to tilt the material. . The structure of the grab bridge crane is basically the same as that of the hook bridge crane except that the lifting mechanism is different. In order to ensure the safety of the crane, railings and handrails are set up. The height of the railings is 1050mm, the spacing is 350mm, two horizontal bars are set, the bottom is set with a height of 70mm. Each transmission component is provided with a protective cover, each railing door is also provided with a safety switch, the end of the stroke is provided with a stop, and the sliding line is provided with a hook frame.
QZ Model Double Girder Overhead Crane Parameters Table
| Items | Unit | Capacity | ||||
| Lifting Capacity | t | 5 | 10 | 16 | 20 | |
| Span | m | Max to 31.5 | ||||
| Working class | A6 | |||||
| Speed | Hoist | m/min | 40.1 | 40.7 | 41.8 | 48.6 |
| Trolley | 44.6 | 45.6 | 41.8 | 48.6 | ||
| Crane | 93.7 | 86.4 | 76 | 89 | ||
| Motor | Hoist closing | Kw | YZR225M-8/22*2 | YZR280S-10/37*2 | YZR315M-10/75*2 | YZR355M-10/90*2 |
QZ Model Double Girder Overhead Crane Feature
QZ Overhead crane with grab is widely used in loading goods in port, factory, workshop, power plant, steel melting plant, cement plant, waste renewable energy industry.
The working duty is heavy. The group classification of the crane is A6,A7,A8.
The direction of platform door to the driver’s cap is: side,end and top.
The lifting capacity includes the weight of the grab.
The open direction of the grab includes paralleling with the beam and plumbing with the beam, this design is the plumbing type.
QZ Model Double Girder Overhead Crane Images
