57results about How to "Change spray angle" patented technology

The invention relates to a cooling water angle adjustable crystallizer for aluminium alloy casting. An upper cover is connected on the body, the body is provided with a cooling water cavity, the front and back rolling faces of the cooling water cavity are respectively provided with a rolling face cooling pipeline, the rolling face cooling pipeline is communicated with the rolling face cooling water cavity, the left and right narrow faces of the cooling water cavity are respectively provided with a narrow face cooling pipeline, the narrow face cooling pipeline is communicated with the narrow face cooling water cavity, the four corners of the bottom of the body are respectively provided with a fixed block, the two ends of the front and back rolling face cooling pipeline and the two ends of the left and right narrow face cooling pipeline are respectively movably connected with the corresponding fixed block by a slide block, and the front and back rolling face cooling pipeline and the left and right narrow face cooling pipeline are uniformly distributed with cooling water holes. A cooling pipeline is additionally arranged below the body of the crystallizer, the cooling pipeline is designed with cooling water hole, the cooling water hole is separated from the water cavity of the crystallizer body; the fixed block and slide block structure causes the cooling pipeline to rotate around ingot casting water seeing point, thus achieving the aim of changing cooling water spraying angle.

The invention discloses a needle valve component for a fuel injection device. The needle valve component comprises a valve body (10) and a needle valve (20). The valve body is provided with a valve body end (12), a valve hole (14), an oil inlet channel (16) and an oil injection hole (18). The oil injection hole comprises a first group of oil injection holes (181) and a second group of oil injection holes (182), wherein the first jet angles of the first group of oil injection holes are smaller than the second jet angles of the second group of oil injection holes, and the communicating positions of the first group of oil injection holes and the valve hole are closer to the valve body end than the communicating positions of the second group of oil injection holes and the valve hole. The needle valve can reciprocate in the valve hole and comprises an oil inlet ring groove (26), an oil outlet ring groove (28) and an oil supply channel (24) for communicating the oil inlet ring groove and a first oil outlet ring groove. The first oil outlet ring groove is respectively communicated with the first group of oil injection holes and the second group of oil injection holes, the fuel oil is sprayed at different jet angles so as to adapt to oil-gas mixing under different loads, the oil consumption and discharge under the different conditions are both considered, and the needle valve component has the advantages of simple structure and convenience for processing.

The invention provides a tea planting based multi-angle irrigation device, which comprises a pipeline winding roller and a metal sprinkling pipe. Two groups of wheels are mounted at the bottom of a frame and in transmission connection with the pipeline winding roller through two transmission belts at outer left and right ends of the frame. The pipeline winding roller is positioned in the frame, awater outlet end of a water supply hose is positioned in the pipeline winding roller, and a water inlet end of the water supply hose is communicated with an external water supply pipeline. The metal sprinkling pipe is horizontally mounted at the top of the frame, and the water outlet end of the water supply hose is in rotational connection with a water inlet end at the bottom of the metal sprinkling pipe. By side-to-side pulling, an adjustment traction rod drives six nozzles mounted at the top of the metal sprinkling pipe to rotate synchronously to further rotationally adjust jet angles of thesix nozzles to change water jet angles, so that the device can be better applied to tea spray irrigation.

The invention discloses a water-saving control device for automatic irrigation, comprising a bottom plate, the upper ends of two guide rods are connected by a cross bar, and a liquid inlet pipe is fixed on the cross bar, and the liquid inlet pipe is provided with For the electromagnetic valve, a controller is provided on the base plate, and a humidity sensor is provided around the land where the base plate is located. The humidity sensor is electrically connected to the controller, and the controller is electrically connected to the motor, the electromagnetic valve and the electric push rod respectively. The water-saving control device for automatic irrigation, when the humidity sensor in the soil detects that the humidity is low, it will send a signal to the controller, so that the controller controls the motor to rotate, the solenoid valve is opened, and the water is sprayed, so that the spray gun will Spraying water in circles, the slider moves along the guide ring, while the electric push rod works at intervals, moving the guide cylinder up and down, so that the connecting rod drives the spray cylinder to rotate, changes the spray angle, and changes the spray range. When it comes to spraying water evenly, it saves more water.

Herein The invention discloses a high-frequency triggered direct-current welding power source, and belongs to the technical field of welding equipment. The high-frequency triggered direct-current welding power source comprises an outer protection sound insulation component, wherein a heat dissipation component is arranged in the outer protection sound insulation component, and the heat dissipation component is used for generating air vortexes. According to the high-frequency triggered direct-current welding power source, through mutual cooperation of the designed structures such as the outer protection sound insulation component, the energy conversion component, the heat dissipation component and an air flow filtering component, air sprayed out of a spiral pipe can enter a direct-current arc welding power source case in a spiral shape, the radiation range of low-temperature air is enlarged, and in addition, heat in cracks of electronic components in the direct-current arc welding power source case can be quickly dissipated by means of attraction force generated by the spiral air flow. Therefore, the heat dissipation effect is further improved, energy recovery is conducted in the whole stroke of vibration, waste energy utilization is facilitated, and the shock resistance of the direct-current arc welding power source is further improved.

The invention discloses underground tunnel construction equipment. The underground tunnel construction equipment structurally comprises a hopper, a pneumatic oscillator, a meter box, a slurry sprayinghead, a shell, a slurry spraying head fixing device, a wind path, rail wheels, a fixing frame, a fixing face plate and a rotor body; the meter box and the shell are located on the same horizontal line and both mounted on the fixing frame; the fixing face plate is arranged on the fixing frame; the rotor body is fixedly arranged on the fixing face plate and mechanically connected with the hopper; and the slurry spraying head fixing device is mounted in the shell. Through the joint effect of a fixing mechanism, a central rotating mechanism, a first rotating mechanism, a manual starting device, an air cylinder driving device, a first rotating mechanism driving device and a second rotating mechanism, the spraying direction of the slurry spraying head can be changed according to the actual demands, manual slurry spraying is not needed, manpower input is reduced, and safety accidents in the slurry spraying process are avoided.

The invention discloses a dust cleaning device for a high-altitude electronic information board based on a highway, and the device comprises an information board main body and an intelligent control system disposed at one side of the information board main body, and a water collection assembly is disposed above the information board main body. A water storage assembly is arranged on the rear sideof the information board body, and a spraying dust removal assembly is arranged at the position, corresponding to the water storage assembly, of the front side of the information board body. Accordingto the device, through mutual cooperation of the designed mechanisms such as the first driven wheel, the second driven wheel, the first connecting belt, the second connecting belt, the driving wheel,the motor, the condensation plate, the cooling fins, the intelligent control system, the drainage pipe, the water pump, the connecting pipe and the turbine, rainwater can be recycled on the basis that solar power supply is achieved; and water in the air can be recycled, so that a water source can be automatically provided for the cleaning work of the information board main body, a pipeline does not need to be laid, and the effects of dust removal and heat dissipation are achieved on the information board main body.

The invention relates to the technical field of civil engineering accessory devices, in particular to a solar cold and hot water jetting device capable of regulating water temperature. Meanwhile, theheight of a spray nozzle can be regulated, and the angle of the spray nozzle can be changed. The solar cold and hot water jetting device comprises a water storage tank, a water spray pump and the spray nozzle. A water storage cavity is formed in the water storage tank. A water spray opening is formed in the top of the water storage tank in a communicating manner. The water spray pump is connectedwith the right side of the top of the water storage tank. A water inlet pipe is arranged at the water inlet end at the bottom of the water spray pump in a communicating manner. The bottom end of the water inlet pipe penetrates the water spray opening and extends to the bottom of the water storage cavity. A water spray pipe is arranged at the water outlet end on the top of the water spray pump in acommunicating manner. The water inlet end of the spray nozzle communicates with the water spray pipe. The solar cold and hot water jetting device further comprises two threaded pipes, two threaded rods, a regulation plate, a rotation motor, a rotation rod, a base, a cold water box, a circulation pump, a cold water pump, a solar panel and two fixed rods. The bottom ends of the two threaded pipes are connected with the right side of the top of the water storage tank in a rotating manner. The bottom ends of the two threaded rods are installed in the two threaded pipes in a screwed manner correspondingly.

The invention discloses an intelligent fire-fighting management system based on a big data Internet of Things. Comprising a base, a rotating disc rotationally arranged on the base, a water inlet pipe, an electromagnetic valve arranged in the water inlet pipe, a water spraying device arranged on the rotating disc, a water collecting device arranged in the water spraying device, a housing fixedly arranged on the base, and a smoke sensor fixedly arranged in the housing, wherein one end of the water inlet pipe is rotationally arranged on the rotating disc, and the water inlet pipe is fixedly arranged on the base; the electronic cigarette is located under the smoke sensor and fixedly arranged on the base, the rotating disc is fixedly sleeved with the first gear, the second gear is rotationally arranged on the base and meshed with the first gear, and the motor is fixedly arranged on the base and used for driving the second gear to rotate.

The invention relates to a water spray nozzle for a linear cutting machine. The water spray nozzle for the linear cutting machine is characterized by comprising a water spray pillar and a base. The base comprises an upper base body and a lower base body. The upper base body is connected with the outer side of the lower base body. A water introducing groove is arranged between the upper base body and the inner side of the lower base body. The lower base body is provided with a plurality of water introducing holes. An upper through hole is formed in the center of the upper base body. A lower through hole is formed in the center of the lower base body. The water spray pillar is fixed in the lower through hole and comprises a cone portion and a pillar portion, and the pillar portion is installed and fixed in an installing hole. The center of the water spray pillar is provided with a wire penetrating hole penetrating through the water spray pillar. The range of the angle A between the lateral wall of the cone portion and the vertical direction is 1.9-2.5 degrees. The diameter of the upper through hole is 9 mm. The diameter of the lower through hole is 10 mm. The horizontal distance between the lateral wall of the water spray pillar and the upper through hole is 1.8-1.9 mm. The cooling effect and machining flatness of the water spray nozzle are improved.

The light soil construction device comprises a box body, a feeding mechanism and a discharging mechanism, and a feeding port and a funnel discharging port are formed in the box body; the feeding mechanism comprises a screw feeder which is driven by a motor and is sleeved in the extruding barrel, and the feeding end of the extruding barrel is connected with the discharging hole of the funnel; the discharging mechanism comprises a material suction barrel with the lower end hinged to the box body, a hard discharging pipe arranged in the material suction barrel in a sleeved mode and a discharging hose connected to the feeding end of the hard discharging pipe, the hard discharging pipe is sleeved with a guide barrel, a handle is arranged on the guide barrel, a piston is arranged in the material suction barrel, and the discharging hose is connected to the feeding end of the hard discharging pipe. The outer side of the piston is connected to the side wall of the hard discharging pipe, a plurality of excess material feeding ports and excess material discharging ports are formed in the cylinder wall of an inner cylinder of the material suction cylinder in the axial direction, first one-way passing valves are arranged on the excess material feeding ports, second one-way passing valves are arranged on the excess material discharging ports, and the soft soil pouring construction efficiency is improved.

The invention discloses a feeding device capable of automatically adjusting feeding charging proportion and used for concrete additive production. The feeding device comprises a shell, and is characterized in that a drill bit is arranged on the right side of the shell, a collecting plate is arranged below the drill bit, a grounding rod is arranged on the lower portion of the shell, a following spraying mechanism is arranged in the shell, a control mechanism is arranged in the shell, a stone and sand separating mechanism is arranged in the shell, the following spraying mechanism is fixedly installed on the upper portion of the shell, the control mechanism is fixedly installed on the inner wall of the shell, the stone and sand separating mechanism is fixedly installed on the left side of the collecting plate, the following spraying mechanism is connected to the upper portion of the control mechanism through a pipeline, and the stone and sand separating mechanism is connected to the left side of the control mechanism through a pipeline. The feeding device has the characteristics that the charging proportion can be automatically changed according to the soil layer condition, and the concrete spraying angle is changed in real time according to the feeding distance of the drill bit.

The invention discloses a thrust vectoring nozzle and a control method thereof. A plurality of telescopic arm mechanisms with the same structure are arranged in the circumferential direction to form an annular nozzle arm, the telescopic arm mechanisms can stretch out and draw back in the axial direction of an annular base, so that an outlet of the nozzle is in different step shapes, the flowing direction of gas at the outlet of the nozzle is controlled, and then the thrust direction is changed, and a vector propulsion function is realized. Therefore, the jet flow direction of the tail of an aero-engine can be controlled in a 360-degree all-around mode under the condition that the nozzle does not deflect, complex motion control requirements such as torsion do not exist, the equipment structure is simplified, the control mode is simple, the problem of complex control needed for controlling the airflow direction by rotating the nozzle is solved, and the spray angle of the nozzle can be quickly, efficiently and reliably changed.

The invention relates to the technical field of ultrafiltration membrane tools, in particular to a precise cleaning device for an ultrafiltration membrane component, which is characterized in that a supporting slide block is slidably arranged on a supporting slide rail, an adjusting rod is rotatably arranged at the left end of the front side wall of the supporting slide block through a rotating shaft, an adjusting slide block is slidably arranged on an adjusting slide rail, and an adjusting driving part is fixedly arranged on a cleaning seat; the bearing sliding block is slidably arranged on the bearing sliding rail, the rotating shaft is rotationally arranged on the upper side wall of the bearing sliding block through a bearing, and the rotating seat is fixedly arranged at the upper end of the rotating shaft; clamping of a workpiece and arrangement of a spray head are controlled by two independent parts, the spray head is arranged to be of a structure capable of rotating to adjust the angle, after the spray head rotates by the angle, the drop point position of water spraying is not changed, the clamping part of the workpiece is arranged to be of a structure capable of moving and rotating, and then positioning of the workpiece is guaranteed; therefore, accurate positioning of the workpiece during washing is guaranteed.