Integrated supporting device for end transport and support of fully mechanized mining face

Abstract

The invention discloses an end support device for a fully mechanized mining face, in particular to a "transport-support" integrated end support device designed in cooperation with a scraper conveyor, which consists of a top beam, a base, a column, The middle support frame and the stabilizing mechanism are composed of the base and the end of the scraper conveyor, and the bearing point of the column is partially strengthened at the base; the middle support is erected between the top beam and the base, and at the same time serves as the cover of the transmission part , realizing the utilization of intensive equipment space. The transport-support integrated support device installed at the end adds restraint and adjustment functions to the head or tail of the scraper conveyor, slowing down the trend of upward and downward movement, and forms a "end hydraulic support" at the end of the fully mechanized mining face. —The three-level coordinated support mode of the integrated support device for transport and support at the end-advanced support” overcomes the problem of ineffective support of the super-long top beam of the traditional hydraulic support at the end, and improves the control ability of the surrounding rock at the end of the working face. The invention provides equipment support for high-yield and high-efficiency mining of complex coal seams.

Description

technical field [0001] The invention relates to end support equipment for a fully mechanized coal mining face in underground mining, in particular to a "transportation-support" integrated support device in which an end hydraulic support and a scraper conveyor cooperate. Background technique [0002] Longwall comprehensive mechanized mining (mechanized mining) is the current mainstream coal mining method in underground coal mines. The fully mechanized mining face equipment is composed of hydraulic supports, scraper conveyors and shearers. The scraper conveyor is used as the core of the shearer The pulling point of the walking part and the hydraulic support is in an unconstrained state in the inclined direction of the working face, and a certain gap is kept with the coal wall of the transportation lane and the return air lane to facilitate advancement. Placed at the nose and tail of the machine, the motor, coupling and reducer take up a lot of space, so it is equipped with a h...

AI Technical Summary

Problems solved by technology

[0003] 1) Since the top of the long top beam end bracket is far away from the support point of the column, the effective support force is very small, and it is often in the state of being stuck, which cannot effectively play a supporting role, resulting in deformation of the end and squeezing the limited passage space , especially for the broken roof, it is very difficult to control the end roof

[0004] 2) The head and tail of the existing scraper conveyor are both in an unconstrained state, and there is no special tilt adjustment mechanism. The forward movement is achieved by the hydraulic support. , the conveyor and support interfere with the coal wall, requiring manual adjustment, which has a great impact on continuous advancement

[0005] The patented special-shaped support equipment for the end of the fully mechanized mining face (201810444060.0) provides an end support equipment that can support and seal the entire section of the empty roof area at the tail of the conveyor. However, the support equipment and the conveyor The space is relatively independent, which does not solve the problem of the original end bracket super long control top distance

Images