33results about How to "Accurately fall on" patented technology

The invention discloses a hoisting land power catwalk of a cylinder and belongs to the technical field of oil drilling equipment. The hoisting land power catwalk comprises a ramp, a pedestal, a rotating arm and a V-shaped drilling tool support beam, the upper end of the ramp is provided with a ramp guide pulley which is positioned at the connection part of the ramp and the drilling platform; the bottom of the V-shaped drilling tool support beam is provided with a support beam guide rail combined with the ramp guide pulley, and the support beam guide rail can be moved with respect to the ramp guide pulley. The hoisting land power catwalk is characterized in that the support beam guide rail at the V-shaped drilling tool support beam bottom is combined with the ramp guide pulley on the upper end of the ramp to directly convey the drilling rod near the well mouth, thereby improving drill-feeding working efficiency, in particular, the structure has the more obvious drill-feeding effect in the high drilling platform.

The invention discloses a fire fighting robot fire monitor control method based on fire source positioning and recognition. The method comprises the steps that a calibrated binocular infrared camera is utilized for recognizing a fire source and positioning the center point of the fire source, and according to position deflection obtained in two images collected by the binocular infrared camera atthe fire source center point, the distance between the fire source center point and a fire fighting robot is calculated and determined as the fire source center point depth; the fire source center point depth serves as the position parameter of the fire source center point in the three-dimensional space; jet flow track models are established, the yaw angle between a fire monitor and the fire source center point and the vertical distance between the fire source center point and the binocular infrared camera are calculated and serve as fire source center point three-dimensional position parameters; and the pitching angle is calculated, the fire monitor is controlled, and accordingly the fire monitor jet flow track fall point serves as the fire source center point. By means of the fire fighting robot fire monitor control method, the fire monitor of the fire fighting robot can be efficiently, rapidly and conveniently controlled to aim at the fire source, the fire monitor angle adjusting time is saved, the fire fighting work difficulty can be lowered, and efficiency is improved.

The invention discloses a detachable battery change-over charging device, and belongs to the field of the mechanical technology. The detachable battery change-over charging device comprises a chargingplatform (15), a charging vehicle (16), a rotary table (17), a charging head (18), clamping jaws (19) and a lifting rod (20). The detachable battery change-over charging device is importantly appliedto power supply of unmanned aerial vehicles, unmanned vehicles and robots.

The invention discloses a facing stone cage net bag bump-free dump filling construction method. The method comprises the steps that a stone cage net bag dump filling device is prepared; the stone cagenet bag dump filling device is placed on a barge deck, end steel slings located on the front side of an upper frame body are lifted to lifting hooks of crane equipment; the lifting hooks are lifted to pull up the upper frame body, a stone cage net bag is placed on an openable rolling bottom plate, and the upper frame body is placed down to be folded with the openable rolling bottom plate; the twoend steel slings are connected with the end lifting hooks, the steel slings are connected with the lifting hooks connected with an automatic hook disengagement device above the upper frame body, thelifting hooks connected with the automatic hook disengagement device and the two end lifting hooks are connected to the lifting hooks of the crane equipment through a three-leg chain; the stone cage net bag dump filling device is lifted and placed into water, the lifting hooks connected with the automatic hook disengagement device are disengaged, and the stone cage net bag slides down towards thesteel cylinder revetment direction. By means of the method, the stone cage net bag can accurately fall down to the position tightly attached to the steel cylinder revetment structure.

The invention discloses a corn miss-seeding reseeding device and a control system. The corn miss-seeding reseeding device comprises seed metering devices, wherein each seed metering device consists ofa first seat shell, a seed metering plate, a first seed filling cavity cover, a first seed protection plate, a first main shaft, a first outer clamp, a first rolling bearing, a first bearing end cover and a second bearing end cover; each first seat shell is mounted below a seeder; each first main shaft is connected with the center of the corresponding seed metering plate through an outer spline;each seed metering plate is axially limited by the corresponding first outer clamp; each first seed filling cavity cover is in fastening connection with one side of the corresponding first seat shell;each first seed protection plate is in circumferential sliding connection with an inner wall of the corresponding first seat shell; one end of each first main shaft is in rotary connection with the center of the corresponding first seed filling cavity cover through the corresponding first rolling bearing; the other end of each first main shaft is in rotary connection with the center of a housingthrough the corresponding first rolling bearing; the corn miss-seeding reseeding device further comprises a reseeding device; one reseeding device is directly arranged on the adjacent seed metering devices; one reseeding device is used for carrying out reseeding operation on two rows of seed metering devices; the corn miss-seeding reseeding device is simple and compact in structure and high in reseeding accuracy and instantaneity; and the miss-seeding rate of a corn precision seeder is reduced, and the seeding quality and the production efficiency are improved.

The invention discloses a dropping funnel for a solid dangerous goods burning speed test; the dropping funnel is composed of a supporting foot stand, an inverted pyramid type liquid collecting tank and sighting bars; a tower tip of the inverted pyramid type liquid collecting tank consists of four prisms and is connected with a guide post; the tower bottom of the inverted pyramid type liquid collecting tank is fixedly connected with the supporting foot stand; two sighting bars are fixed at the side edges of the tower bottom, and the bottom ends of the sighting bars are tips; the tip of the guide post is located at a connection line of the tips of the two sighting bars. The funnel can ensure that a wetting agent is accurately dropped to a stacked ridge of a measured substance according to test requirements, a strong guarantee is provided for implementation of the United Nations dangerous goods flammable solid burning speed test strictly according to requirements; the funnel is simple in structure, low in cost and capable of direct production through 3D printing.

The invention discloses a bottom-fixed ADCP probe sink-float system, which comprises a sink-float mechanism, a trapezoidal plate, and a control mechanism. The sink-float mechanism comprises a circularsupporting plate which is connected with an air bag and an integrated circuit board. The outer edge of the supporting plate is connected with a cable main tube and a cantilever tube. The cantilever tube is connected with the trapezoidal plate. The trapezoidal plate is connected with an ADCP probe through a cross-shaped hoop bracket. The air bag is connected with a ventilation pipe. Connecting wires of the ventilation pipe and a pressure sensor extend into the cable main tube and extend along the cable main tube to the river bank to be connected with the control mechanism. The control mechanism comprises an electric control device, a display screen, a venting solenoid valve, and an air pump. The invention further discloses a mounting method of bottom-fixed ADCP probe sink-float system anda maintenance debugging method. The invention floats components up to the water surface for maintenance and debugging, so that the maintenance and debugging work does not need to wade in the water andis no longer affected by the flood season, and therefore, an operator will be protected from the personal danger caused by the wading operation, thereby improving the accuracy of the flow measurementdata.

The invention discloses a fire-fighting intelligent ship, and relates to the technical field of rescue ships. The fire-fighting intelligent ship comprises a main ship body, a high-pressure fire extinguishing bomb device, a rescue ring launching device, a fire source monitoring and tracking device, a power supply and a controller, wherein the main ship body is provided with a deck house; the high-pressure fire extinguishing bomb device is rotationally arranged in the deck house and used for ejecting a fire extinguishing bomb, the rescue ring launching device is arranged on the main ship body and used for launching a rescue ring, the fire source monitoring and tracking device is arranged in the deck house and used for monitoring and tracking a fire source, and the high-pressure fire extinguishing bomb device, the rescue ring launching device and the fire source monitoring and tracking device are all electrically connected with the power supply; and the controller is electrically connected with the power source, and the high-pressure fire extinguishing bomb device, the rescue ring launching device and the fire source monitoring and tracking device are all connected with the controller. The fire source can be monitored and tracked through the fire source monitoring and tracking device so that dangerous situations can be rapidly found out, meanwhile, the devices are controlled through the controller, the purpose of automatic control can be achieved, and the fire extinguishing speed and efficiency are improved.

The invention discloses a detachable battery, and belongs to the technical field of machinery. The detachable battery comprises a detachable battery apparatus (1) and a battery connecting apparatus (2); the detachable battery apparatus (1) comprises a battery (3), a battery cabin (4) and a first connector (5); and the battery connecting apparatus comprises a connecting plate (6), a second connector (7) and a clamping apparatus (8). The detachable battery provided by the invention has significant applications on the aspects of power supply of an unmanned aerial vehicle, an unmanned car and a robot.

The invention discloses a bufferable roof dropped cargo receiving method and belongs to the field of unmanned aerial vehicle cargo transport. The bufferable roof dropped cargo receiving method aims atachieving the effect of being independent of control of operators and can achieve automatic receiving of unmanned aerial vehicle cargo. At the moment of several minutes before a fixed wing unmanned aerial vehicle arrives at a receiving device, LED lamps at the four corners of the receiving device are on; and an extending-and-contracting plate at a cargo picking area at the tail of the device slides into the tail of a sliding speed reduction area, and a highly-elastic rubber net in the cargo picking area is opened. The unmanned aerial vehicle is adjusted from high-altitude flight to horizontalflight away from the receiving device by a certain vertical distance height; and the bufferable roof dropped cargo receiving method achieves the effect that the dropped cargo can be received at the low altitude in a roof area capable of containing the device.