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Stable large-span gantry rake

A large-span, rake technology, applied in the directions of transportation and packaging, loading/unloading, etc., can solve the problems of large force on the rake arm, uneven material stacking, material collapse, etc., achieve stable operation, improve yield limit, extend The effect of service life

Active Publication Date: 2015-08-12
CHANGZHOU XIAOGUO INFORMATION SERVICES
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is: the force of the rake arm in the existing structure is large, the structure of the main rake arm is slender and heavy, and the bulk materials stored irregularly and various complex environments will cause greater damage to it. Additional loads, such as uneven material stacking, agglomeration, material collapse, impact loads during work, etc., will further deteriorate the working state of the rake arm during operation, especially when the maximum yield limit of the rake arm material is exceeded. The invention provides a stable large-span portal rake machine

Method used

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Embodiment Construction

[0013] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0014] like figure 2 As shown, it is an embodiment of the stable large-span portal rake machine of the present invention, including a "herringbone"-shaped portal frame 8, a main rake arm 3 and an auxiliary rake arm 11, and the main rake arm 3 and the auxiliary rake arm 11 are respectively movably connected. On the two supporting ends of the mast 8, the main rake arm 3 and the auxiliary rake arm 11 are respectively provided with rake chains and rake plates for conveying materials, and the mast support end on which the main rake arm 3 is installed is set as the mast The first end, the first end of the mast is equipped with an electric hoisting mechanism 1, whi...

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Abstract

The invention relates to the technical field of chemical production equipment, in particular to a steady long-span gantry raking machine comprising a gantry, a main raking arm and an auxiliary raking arm. The main raking arm and the auxiliary raking arm are movably connected to two support ends of the gantry, the gantry support end provided with the main raking arm is a first gantry end, and an electric rope winch is mounted at the first gantry end. Taking the highest point of the gantry as a boundary, a section close to the main raking arm is a first gantry section, and a section close to the auxiliary raking arm is a second gantry section. Two static pulley blocks are mounted on the first gantry section, two static pulley blocks are also mounted on the main raking arm, a fixing device is mounted on the second gantry section, and a wire rope leading out from the electric rope winch is wound of the pulley blocks. Two suspension pivots are adopted to uniformly disperse stress on the main raking arm, so that maximum yield limit of a material of the main raking arm is increased, running is stable, and service life of the raking machine is prolonged.

Description

technical field [0001] The invention relates to the technical field of chemical production equipment, in particular to a stable large-span portal rake machine, which is mainly used in coal mines and large chemical fertilizer industries. Background technique [0002] Portal rake machine is a large-scale automation equipment with high degree of automation, perfect safety measures and high work efficiency. It is an ideal transportation equipment for bulk warehouses. It is mainly used for packaging and transportation of bulk warehouses in large-scale urea industry and glass industry. . [0003] The portal rake machine is mainly composed of three parts: mechanical transmission system, steel components and control system. The mechanical transmission system part is composed of main and auxiliary rake lifting mechanisms, rake arm mechanism, connecting arm mechanism, walking mechanism, etc.; the steel component part It consists of a door frame and a rake arm. The rake arm structure...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65G65/06
Inventor 施昱傅菁菁嵇炜陈娟
Owner CHANGZHOU XIAOGUO INFORMATION SERVICES
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