Matching method for mechanized mining equipment

The invention discloses a matching method of mechanized mining equipment, comprising the following steps of: selecting a coal mining machine with preset height and power according to the mining height, the hardness and the daily output of a working face and a working clearance of the coal mining machine; selecting preset quantity of hydraulic supports according to the length and the pressure of the working face and working clearances among the hydraulic supports; selecting a scraper conveyer with preset power according to the coal transferring amount, the length of the working face, the transportation distance and the arrangement mode of the working face; and respectively calculating comprehensive clearances among the coal mining machine, the hydraulic supports and the scraper conveyer, sequencing the coal mining machine, the hydraulic supports and the scraper conveyer according to the comprehensive clearances, and selecting equipment with minimum comprehensive clearance as matching equipment ...

Automatic coal mining method based on coal mining work surface

The invention discloses an automatic coal mining method based on a coal mining work surface. The method comprises the step as follows: an upper work surface, a lower work surface, a coal seam height, a coal seam thickness and coal mining equipment layout condition of a to-be-mined area are determined according to a mining engineering planar graph and geological borehole data of the to-be-mined area; and automatic coal mining operation is performed by a coal mining machine according to the upper work surface, the lower work surface, the coal seam height and the coal seam thickness of the to-be-mined area.

Bestriding type reversed loader

A stride reversed loader comprises an unloading part, a receiving part, an intermediate support element and a flight chain. The unloading part and the receiving part are arranged at both ends of the loader. The intermediate support element arranged between the unloading part and the receiving part is used to support and connect other elements. The flight chain is arranged above the intermediate support element. The stride reversed loader has strong transportation capacity, compact structure and rational layout. In addition, the stride reversed loader can quicken the advancement rate of underground coal mining, so mining efficiency can be effectively improved.

Coalmine production control management integrated system

The invention discloses a coalmine production control management integrated system. The system comprises a coalmine production control sub-system (10), a coalmine management sub-system (20) and a data base (30), wherein the coalmine production control sub-system comprises a plurality of control sub-modules (12), the control sub-modules (12) are used for monitoring and/or controlling a plurality of field devices, the coalmine management sub-system (20) comprises a plurality of management sub-modules (22) for making multiple types of production strategies, and the data base (30) is connected with the coalmine production control sub-system (10) and the coalmine management sub-system (20). Monitoring and/or controlling data related to the field devices are stored in the data base (30) by the coalmine production control sub-system (10), and the made production strategies are stored in the data base (30) by the coalmine management sub-system (20) to be called by the coalmine production control ...

Bestriding type reversed loader

A stride reversed loader comprises an unloading part, a receiving part, an intermediate support element and a flight chain. The unloading part and the receiving part are arranged at both ends of the loader. The intermediate support element arranged between the unloading part and the receiving part is used to support and connect other elements. The flight chain is arranged above the intermediate support element. The stride reversed loader has strong transportation capacity, compact structure and rational layout. In addition, the stride reversed loader can quicken the advancement rate of underground coal mining, so mining efficiency can be effectively improved.

Feeding crushing system

The invention discloses a feeding crushing system, comprising a receiving part used for receiving material (100), a crushing part (200) connected with the receiving part, an unloading part (300) connected with the crushing part (200) and a frame (400). The material is crushed into the block with preset granularity by the crushing part. The unloading part (300) is used to unload the block. The receiving part (100), the crushing part (200) and the unloading part (300) are installed on the frame (400). The crushing feeding system of the invention can crush coal briquette into the block with the preset granularity and the granularity of the block can be adjusted, so production efficiency can be greatly improved.

Coalmine production control system based on GIS

The invention discloses a coalmine production control system based on a GIS. The system comprises one or more coalmine production control subsystems, a GIS subsystem and a database server. The one or more coalmine production control subsystems are used for monitoring and/or controlling one or more site devices. The database server is correlated to the one or more coalmine production control subsystems (10) and the GIS subsystem and is used for storing coalmine well excavating plane map information and position coordinate information of the side devices. The production control subsystems transmit monitoring data and/or control data for the one or more site devices to the database server, position changing of the site devices is determined according to the received monitoring data and/or the control data, and position changing is used for refreshing the position information of the site devices stored before. The GIS subsystem is also used for requesting the refreshed position information ...

Coal mine down-hole splited articulated look ahead supporting support

Walking type reversed loader

A running reversed loader comprises an unloading part, a receiving part, an intermediate support element, a flight chain and a running mechanism. The unloading part and the receiving part are arranged at both ends of the loader. The intermediate support element arranged between the unloading part and the receiving part is used to support and connect other elements. The flight chain is arranged above the intermediate support element. The running mechanism is arranged on the bottom of the intermediate support element. The stride reversed loader has strong transportation capacity, compact structure and rational layout. In addition, the stride reversed loader can quicken the advancement rate of underground coal mining, so mining efficiency can be effectively improved.

Method and system for continuous mining device

A method for a continuous mining device comprises: determining a work mode in order to determine whether the work mode is switched; choosing a continuous mining device with preset coal mining capability when the work mode is switched; and determining work conditions and choosing corresponding continuous mining device according to corresponding work conditions. The system for the continuous miningdevice comprises: a mode determination unit, a work condition determination unit and a device-replacing control unit. Thus, the utilization rate of the continuous mining device is increased, various devices satisfying requirements are combined together for use, and the utilization of the continuous mining device can be adjusted flexibly according to actual working surface condition, thereby remarkably increasing the yield.

Bracket especially for retracement of fully-mechanized mining surface

A special back-out bracket of a fully-mechanized face comprises a base, a roof bow, at least four hydraulic props arranged between the base and the roof bow as a supporting element, a controller used to control the ascending and the descending of the hydraulic props and at least one connecting-rod guard beam. The special back-out bracket of the fully-mechanized face of the invention has simple structure and stable supporting and is easy to be taken down. So the efficiency of underground back-out working is greatly enhanced, thus objectively meeting the high-yield and efficient production requirements of coal industry.