The invention provides a belt conveying system. The belt conveying system comprises a main belt conveying system and a rotary belt conveying system, and is characterized in that: a movable supporting mechanism is arranged at the bottom of the main belt conveying system, a discharge end of the main belt conveying system is connected with a feed end of the rotary belt conveying system through a rotating device, and the rotating device drives the rotary belt conveying system to rotate horizontally. Through the rotation of the rotating device and the rotary belt conveying system, the belt conveying system solves the problem of distributing materials at any point in any direction by the belt conveying system, so that the material distribution area of the belt conveying system is significantly increased, the working efficiency is improved, and the labor intensity is reduced. The belt conveying system provided by the invention is simple in structure, is easy and convenient to operate, and is very convenient to mount and maintain.

Belt conveying system

The invention relates to a simple earth dumping machine applied to the fields of open mine earth dumping sites or other bulk material stacking sites, comprising a crawler unit, an arm support device, a rubber belt machine, a telescopic trolley, a bracket device, a rotating device, a pull rod device, a hoisting device, a walkway guardrail, a cab, a cable wiring system and a centralized lubricating system. The simple earth dumping machine is just provided with one truss type arm support, the discharge rubber belt machine is arranged inside the arm support device, the telescopic trolley is arranged in the arm support device, and the middle position of a discharge arm support of the earth dumping machine is connected with the crawler unit through the bracket device and the rotating device; the pull rod device is positioned at the upper part of the arm support device, and the hoisting device and the control room are arranged at the middle upper part of the arm support device; the walkway guardrail and the cable wiring system are arranged along the length direction of the arm support device; and the centralized lubricating system is arranged at the rear part of the crawler unit. The simple earth dumping machine has the advantages of simple structure, low manufacture cost and short manufacture period.

Simple earth dumping machine

Disclosed is a mobile transfer device for continuous mining of a mine. A discharging mechanism is located below a receiving mechanism; a receiving hopper is fixed on a receiving belt frame which is arranged on a receiving arm; a receiving belt pitches up and down through a hydraulic pitching mechanism; a discharging hopper is fixed on a discharging belt frame which is arranged on a discharging arm; a discharging belt pitches up and down through the hydraulic pitching mechanism; a slewing mechanism is arranged below pillars; a support, the receiving mechanism, the hydraulic pitching mechanism, the slewing mechanism and the discharging mechanism form the mobile transfer device together; a crawler walking mechanism is located below the slewing mechanism; the mobile transfer device walks through the crawler walking mechanism. According to the mobile transfer device for the continuous mining of the mine, stones can be broken on a mountain yard, the broken materials are conveyed to the receiving belt and the discharging belt through the mobile transfer device to directly enter a broken stone repository, and accordingly the stone conveying way is reliable and economical due to the fact that the materials are transferred through a belt conveyor only.

Mobile transfer device for continuous mining of mine

The invention discloses a suspension-type slewing and luffing device of self-moving crushing equipment for mining. The suspension-type slewing and luffing device mainly comprises a slewing unit and a luffing unit. The suspension-type slewing and luffing device is characterized in that all suspension-type slewing luffing device assemblies but a slewing driving device are hung and connected to a lower part of a cantilever of an equipment frame only by an outer tooth-type slewing bearing and all loads of all the suspension-type slewing luffing device assemblies but the slewing driving device are born by the only suspension connection; a hanging rack of the luffing unit is an n-shaped rigid structure composed of a flange and two side arms; hydraulic cylinders are located at two sides of a material discharge arm; and two end hinge joint points of each one of the hydraulic cylinders are located below a lower plane of the cantilever of the equipment frame. The suspension-type slewing and luffing device has a simple and compact structure. Through use of the suspension-type slewing and luffing device, the self-moving crushing equipment has a simple integral structure, light weight, a low gravity center and good stability.

Suspension-type slewing and luffing device of self-moving crushing equipment for mining

The invention relates to a self-propelled reversed loader applied to the industry of self-propelled reversed loader feeding conveyer devices and self-propelled reversed loader unloading conveyer devices. A slewing device consists of a slewing bearing, a swinging base, a slewing driving device, a first thread connecting piece and a second thread connecting piece; the swinging base is welded by a steel plate, and the lower part of the swinging base is of a circular structure; the circular structure is provided with a bolt through hole b connected with the slewing bearing; the two sides of the upper part of the swinging base are respectively provided with a pin shaft hole c; the pin shaft hole c is used for the direct pin joint between the swinging base and a steel structure at the unloading end part of the feeding conveyer device; the slewing bearing is connected with the swinging base by virtue of the first thread connecting piece; and the slewing bearing 1 is connected with a main tower by virtue of the second thread connecting piece. The slewing device with a horizontal micro-swing function is additionally arranged onto the feeding conveyer device, and the feeding conveyer device is driven to perform rotary motion relative to the main tower by the slewing device along the horizontal direction and the vertical direction, so that the slewing device is small in space size, a support is convenient to assemble, and the working efficiency of transportation of materials can be improved.

Self-propelled reversed loader

The invention discloses a slewing stop device of a crushing apparatus used in movable crushing equipment. The slewing stop device comprises a hydraulic direct-acting brake, a brake disc, a support of the hydraulic direct-acting brake, a screw thread connecting piece for fixing the brake disc, and a screw thread connecting piece for fixing the hydraulic direct-acting brake. The brake disc is installed between a rotary bearing and a steel structure having a flange connection with the rotary bearing. The rotary bearing, the steel structure having a flange connection with the rotary bearing and the brake disc are connected together by the corresponding screw thread connecting piece. The brake disc has a circular ring structure and is provided with a bolt through hole a for connecting the rotary bearing. The support is connected to the steel structure which can rotate relatively to the brake disc. The support is composed of steel plates by welding. The hydraulic direct-acting brake is connected to the support by the corresponding screw thread connecting piece. The slewing stop device can stop a rotary bearing of a slewer, can protect a speed reducer and a motor, is easy for replacement of frayed friction pieces of the slewing stop device, and is suitable for an occasion having space restrictions.

Wanzhi Fu

Papers

Self-propelled reversed loader

Slewing stop device of crushing apparatus