8results about How to "Improve charge efficiency" patented technology

The utility model provides a kind of portable mixed loading emulsion explosive auxiliary charging device, including gyro wheel, annular groove for limiting coil position is processed in the middle part position of gyro wheel outer surface, the two sides of gyro wheel are equipped with first baffle, the two ends of first baffle are equipped with pipe column, the two sides along its width of gyro wheel are equipped with the second baffle of vertical arrangement with first baffle, one second baffle farthest from gyro wheel is equipped with cross pipe directly above, the two ends of cross pipe are respectively connected with two pipe columns and are fixed, hollow tube of oblique arrangement is installed in the middle part position of cross pipe outer surface, the end of hollow tube away from cross pipe is equipped with handle, the utility model has following beneficial effects: emulsion explosive is recovered coil simultaneously in conveying process, coil is retracted by gyro wheel rotation, reduce the friction of coil and blasthole mouth, improve charging efficiency.

This invention relates to the field of power control technology and discloses an energy-saving charging mode switching method based on a hysteresis variable threshold strategy. The method includes: S1, collecting terminal voltage and charging current and fusing and normalizing them to obtain a charging characteristic quantity; S2, inputting the charging characteristic quantity into a Preisach operator composed of multiple basic hysteresis operators, superimposing the states of each basic hysteresis operator according to weights to obtain a hysteresis loop output, and updating the weights online based on the difference between the charging characteristic quantity and the hysteresis loop output; S3, constructing a threshold center, and adaptively updating the threshold center after each mode switch using the switching error based on the stability condition that makes the energy function increment less than or equal to 0; comparing the hysteresis loop output with the threshold center to trigger mode switching. This invention effectively suppresses repeated mode switching and reduces charging system losses.

This invention relates to the field of borehole charging and sealing technology, specifically a vehicle-mounted, fan-shaped, upward-facing borehole charging and sealing device. It includes a charging and sealing mechanism, an angle adjustment mechanism, and a moving and lifting mechanism. The moving and lifting mechanism includes an unmanned vehicle (UAV); a lifting platform is fixed on the UAV. The angle adjustment mechanism includes a base fixed to the lifting platform; a servo cylinder is hinged to the base; a swing arm is hinged to both the base and the servo cylinder; a lower crossbeam and an upper crossbeam are mounted on the swing arm. The charging and sealing mechanism includes a servo motor mounted on the lower crossbeam and a delivery pipe mounted on the upper crossbeam; an end cap is sealed at the lower end of the delivery pipe; and a delivery auger is installed inside the delivery pipe. This invention solves the problems of time-consuming and labor-intensive operation, poor charge density, and poor sealing performance of existing borehole charging and sealing technologies when applied to fan-shaped, upward-facing boreholes. It is suitable for blasting projects such as mining and tunneling.

This utility model relates to a charging vehicle for tunnel construction. A new charging platform is detachably connected to the existing working platform of a three-arm drilling rig on the side furthest from the working platform arm. The existing working platform supports the new charging platform, providing a working surface and stable working conditions for charging. The new charging platform is detachably connected to the existing working platform; when the drill arm needs to be used, the new charging platform can be removed from the existing working platform without affecting its operation. When more workers need to charge simultaneously, the new charging platform can be connected to the existing working platform, using the existing platform for support to ensure the charging conditions of the new charging platform. The lateral length of the working surface on the side of the new charging platform furthest from the working platform arm is greater than that on the side of the existing working platform furthest from the working platform arm, allowing more workers to charge on the new charging platform and thus improving charging efficiency.

The utility model relates to an explosive charging device for mining blasting, which comprises an explosive tube, a fixing sleeve is sleeved outside the explosive tube, two support rods are connected outside the fixing sleeve, the top ends of the two support rods are connected with a same support frame, a fixing seat is connected in the support frame, a cylinder is arranged in the fixing seat in a penetrating manner, and the cylinder is connected with the fixing sleeve. A pneumatic clamping jaw is arranged at the bottom end of the air cylinder, two limiting clamping rings are clamped in the pneumatic clamping jaw, elastic telescopic rods are connected to the inner sides of the two limiting clamping rings, the ends, close to each other, of the two elastic telescopic rods are connected with the same limiting ring, and a medicine storage cylinder is connected into the limiting ring. The device can flexibly and accurately control the distribution position of explosives in the explosive tube through cooperation of stretching and retracting of the air cylinder and the measuring device, meanwhile, through the design of a limiting clamping ring and an elastic telescopic rod, the explosives can be rapidly limited in the explosive tube, accurate distribution of the explosives is completed, and the uniformity and accuracy of explosive distribution are ensured; therefore, the blasting effect and safety are improved.

This invention belongs to the field of automatic control technology for underground anchor drilling rigs in coal mines, specifically a control system and method for a charging system of an anchor drilling rig with switching function. It includes a charging solenoid valve group for driving the rotary motor of the charging cartridge, the inlet / outlet air cylinder, the charging cartridge limit cylinder, and the charging cartridge switching cylinder; and an air jet solenoid valve for controlling the on / off state of the system's air valves. The air valves are connected to pressure sensors to read the charging air pressure. Pressure sensors installed on the rotary motor of the charging cartridge, the inlet / outlet air cylinder, the charging cartridge limit cylinder, and the charging cartridge switching cylinder are used to determine the operating status of each cylinder. A displacement sensor installed on the charging cartridge switching cylinder is used to measure the displacement of the charging cartridge switching cylinder. Displacement and pressure sensors are installed on the spraying push cylinder. All pressure and displacement sensors are connected to a data acquisition unit, and the charging solenoid valve group, the air jet solenoid valve, and the data acquisition unit are connected to a controller group.

The application discloses an underwater blasting electronic detonator leg wire bundling method and a bundling device. The bundling method comprises the following steps: lowering a guide pipe and drilling a hole; a through hole is arranged on the wall of the guide pipe, and a blast hole is formed after drilling; a cartridge and an electronic detonator are loaded in the blast hole along the guide pipe; a protective rope is used to bind the cartridge, one end of the protective rope extends out of the blast hole; the electronic detonator is connected with a leg wire extending out of the blast hole, the leg wire is bound on the protective rope through a waterproof adhesive tape; the guide pipe is removed, and the leg wire and the protective rope are taken out of the through hole; the leg wire is bundled; the leg wires of all blast holes are connected in parallel through a wire clamp at one end of a bus, the bus is bound on the protective rope through a waterproof adhesive tape, waterproof bags are arranged outside all wire clamps, and the waterproof bags are bound on a float, and the other end of the bus is connected with an initiator. The underwater blasting electronic detonator leg wire bundling method and the bundling device are efficient and reliable, can improve underwater charging efficiency, reduce the erosion of water flow on the leg wire of the detonator, and ensure the safety of underwater drilling blasting.

The charging device of the plasticizing charging machine comprises a shell, a vibration main shaft and stirring blades, a circular-truncated-cone-shaped stirring cavity is formed in the shell, a cylindrical discharging opening is formed in the lower end of the stirring cavity, an upper cover is arranged at the upper end of the shell, and a vertically-through mounting hole is formed in the middle of the upper cover; a stirring blade transmission assembly is arranged at the upper end of the mounting hole, the stirring blade is connected with the lower end of the stirring blade transmission assembly, an upper closing plate is arranged at the position, located above the stirring blade transmission assembly, of the upper end of the upper cover, and the middle of the upper closing plate is sleeved with a vibration assembly which vibrates up and down. The lower end of the vibration spindle penetrates through the stirring cavity and is located in the middle of the discharging port, the inlet, close to the discharging port, of the vibration spindle is sleeved with a second discharging blade, and the outlet, close to the discharging port, of the vibration spindle is sleeved with a first discharging blade. The stirring assembly, the vibration main shaft and the vibration assembly are combined, and efficient stirring and guiding of materials in the stirring cavity are achieved.