55results about How to "Effective ejection" patented technology

The invention relates to the field of laser processing, in particular to a laser splitting galvanometer scanning and processing device comprising a beam control module, a laser splitting module, and a galvanometer scanning and focusing module. The laser splitting module is capable of processing a single laser beam into multiple laser beams, and the galvanometer scanning and focusing module is capable of switching laser focuses at high speed; by combining the two modules, high-speed efficient precision array laser processing is achieved; beam motion track control contents in laser processing can be further enriched by adding the beam control module, and the needs of various processing environments and various conditions are met. Compared to traditional laser processing, the laser splitting galvanometer scanning and processing device has the advantages that all aspects such as processing precision, processing efficiency and processing quality are greatly improved, the device adapts to the development trend of modern solid-state lasers and the device is widely applicable to the field of laser processing.

The invention provides a polishing brush for the glass surface, and relates to the technical field of automatic polishing brushes. The polishing brush comprises a case shell, a door and four supporting feet; the door is hinged to the front end of the case shell through hinges; the inner bottom wall of the case shell is fixedly connected with a glass fixing device; a polishing brush body is arranged on the upper portion of the glass fixing device; the center of the upper end of the polishing brush body is vertically connected with the lower end of a first rotating shaft; the upper end of the first rotating shaft reaches the exterior of the case shell and is connected with the output end of a motor; and a polishing liquid spraying device is arranged on the inner side of the case shell. The defects in the prior art are overcome, design is reasonable, the structure is compact, a polishing liquid tank can continuously provide polishing liquid, a suction cup can effectively tightly suck andloosen to-be-processed glass, the glass is not damaged, and the polishing work efficiency and the polishing quality are improved.

The invention relates to a dropsonde ejection cylinder, an ejection device and an automatic feeding device. The ejection cylinder comprises a cylinder body and a clamping and releasing component, an elastic piece and a push plate which are located in the cylinder body, the clamping and releasing component is arranged along the axis of the cylinder body, one end of the elastic piece is connected with the clamping and releasing component, the other end of the elastic piece is connected with the push plate, one side face of the push plate is connected with the elastic piece, the push plate can beclamped or and released by the clamping and releasing component, the clamping and releasing component is stressed to do a reciprocating motion in the axial direction of the cylinder body so as to clamp or and releasing the push plate, when the push plate is clamped, the elastic piece is compressed, and after the push plate is and released, a dropsonde in the cylinder body is popped out under theaction of the elastic piece. According to the ejection cylinder, the clamping and releasing component can be used for effectively ejecting the dropsonde in the cylinder body, so that the ejection is convenient; and the cylinder body is provided with the clamping and releasing component, each ejection cylinder is an independent ejection part, so that when multiple ejection cylinders are used, evenif one ejection cylinder is damaged, the use of other ejection cylinders cannot be influenced.

The invention discloses a road and bridge construction surface spraying device. The road and bridge construction surface spraying device comprises a storage box for loading paint, a remote control vehicle for loading the storage box, a discharge cavity and a control device, wherein the control device is connected with the remote control vehicle in a bolted mode; the storage box is located above the remote control car, and the remote control vehicle is provided with a groove; the storage box is placed in the groove, and the storage box is fixedly connected with the groove; the storage box is detachably connected with the remote control vehicle through the groove, a material pumping pump is arranged on the right side of the storage box, and feed delivery pipes are connected to a feeding portand a discharging port of the material pumping pump; the feeding port and the discharging port of the material pumping pump are all connected with the corresponding feed delivery pipes on the feedingport and the discharging port in a bolted mode, the feed delivery pipes communicate with the discharge cavity, the feed delivery pipes are connected to the discharge cavity in a bolted mode, and thedischarge cavity is connected with a spraying pipe; and the spraying pipe is connected with the discharge cavity in a bolted mode, and the spraying pipe is provided with a spraying pump. The road andbridge construction surface spraying device can effectively spray uniformly.

The invention provides a horizontal well fracturing device, a horizontal well fracturing system and an operation method of the horizontal well fracturing system. The operation method of the horizontalwell fracturing system comprises the steps that S50, liquid is injected into an oil pipe to increase the pressure in the oil pipe, and in the process that the liquid is injected into the oil pipe, when the pressure in the oil pipe rises to the locking pressure, a multistage and multi-cluster spray gun assembly of the horizontal well fracturing device is switched from the rotation state to the locked state in the axial direction of the multistage and multi-cluster gun assembly. The problems that in the prior art, during perforation operation of a horizontal well fracturing system, the sprayingdirection of a horizontal well fracturing device cannot be effectively controlled, thus sand out of a stratum enters an annulus, and operation of the horizontal well fracturing device is complex aresolved.

The invention provides a crosswind utilized type cooling tower, and relates to a device for arranging and utilizing environmental crosswind of a power plant. The cooling tower comprises a general cooling tower body, a guide baffle mounted on the sidewall of the cooling tower, a guide crown mounted at an outlet of the cooling tower, and a side window mounted at the waist part or position above the waist part of the cooling tower body. According to the crosswind utilized type cooling tower, the environmental crosswind under a windward side flows through a guide channel consisting of the guide baffle and the sidewall of the cooling tower and is converted into updraft which upwards flows along the sidewall, and then the updraft is returned through the guide crown around the outlet of the cooling tower body to form an inclined updraft withstanding the incoming crosswind stream, so as to resist the direct interference of the environmental crosswind to the air stream from the outlet of the cooling tower body; meanwhile, the inclined updraft meets the incoming crosswind to further guide the hot air from the outlet of the cooling tower body; when the environmental crosswind is increased to reach a degree, a low pressure area of which the pressure is less than the pressure in the tower is formed in the side of the tower, the side window is opened at the same time to enable the updraft in the tower to flow out quickly, and as a result, the ventilating capacity of the cooling tower is improved.

The invention discloses a novel 3D printer nozzle structure. The novel 3D printer nozzle structure comprises a sheathing frame, conveying pipes, miniature ball valves, a converging pipe and a heatinghead, wherein the conveying pipes are arranged in the sheathing frame by fixed grooves, and the bottom parts of the conveying pipes are in threaded connection with thread joints of the miniature ballvalves by connectors; the thread joints are positioned at the top parts and the bottom parts of the miniature ball valves; the converging pipe is arranged at the bottom parts of the miniature ball valves, and converging heads fixedly sleeve the top end of the converging pipe, and are in threaded connection with the miniature ball valves; the conveying pipes are internally provided with material channels; the converging pipe is internally provided with converging channels, and the material channels are communicated with the converging channels by the miniature ball valves; the heating head is arranged at the bottom part of the converging pipe, and the bottom part of the converging pipe is embedded into the heating head; the sheathing frame is used for fixing the conveying pipes, and the conveying pipes convey raw materials into the converging channels by the material channels. The novel 3D printer nozzle structure disclosed by the invention has the beneficial effects that by arrangementof the miniature ball valves, the raw materials can be prevented from being conveyed, and by arrangement of the converging channels, convenience is brought for the plurality of groups of conveying pipes to convey the materials into the heating head through the converging channels.

The invention discloses an intelligent logistics warehouse of modern Internet of Things. The intelligent logistics warehouse comprises a logistics warehouse body, the logistics warehouse body is in asquare warehouse shape, 25 storage goods shelves, a server, monitoring devices and alarm spraying devices are arranged in the logistics warehouse body, the 25 storage goods shelves are distributed inthe logistics warehouse body in a 5*5 matrix manner, the bottoms of the storage goods shelves are fixed to a bottom plate inside the logistics warehouse body through bolts, the monitoring device and the alarm spraying device are arranged on a top plate in the logistics warehouse body, the five monitoring devices are arranged on the periphery and the centre of the top plate in the logistics warehouse body, the four alarm spraying devices are evenly distributed on the periphery of the top plate in the logistics warehouse body, and the logistics warehouse is convenient to use and high in safety.

The invention discloses a supporting tool for processing a cylindrical workpiece, which comprises a workbench, a pair of support plates arranged above the workbench, a pushing device installed in the middle of the workbench, and a limiting device arranged at the end of the pusher; The support plate is fixed on both sides of the upper end surface of the workbench along the long axis of the workbench, and the upper end has an arc-shaped cavity; the pushing device includes a pair of cylinders fixed inside the workbench and a The guide rod; the guide rod is below the cavity between a pair of support plates, and the upper end surface is inclined; the limit device includes a limit plate arranged at the end of the guide rod and a limit plate arranged on side bumps. In the present invention, a pusher device with a simple structure is arranged inside the cylindrical workpiece support device. After the workpiece is processed, the guide rod moves upward, so that the workpiece fits the upper end surface of the guide rod and is pushed out, and at the same time slides out along the upper end surface of the guide rod. Realize self-cutting, the overall structure design is reasonable and simple.

The invention discloses an online detection system and method for particle size distribution of superfine-mode particulate matters in high-temperature smoke. The system comprises a sampling gun, a diluter, a particle size selection device, a horizontal furnace and a particulate matter particle size measurement device, wherein the sampling gun is communicated with the particle size selection devicethrough a first pipeline; the diluter is arranged on the first pipeline; a first regulation port is formed in the first pipeline between the diluter and the particle size selection device; the particle size selection device is communicated with the particulate matter particle size measurement device through a second pipeline; a first flow regulation valve is arranged on the second pipeline; the particle size selection device is further communicated with the particulate matter particle size measurement device through a third pipeline; an evacuation port, a second flow regulation valve and thehorizontal furnace are arranged on the third pipeline in sequence along the smoke flow direction; and an oxygen mixing port is formed in the third pipeline between the second flow regulation valve andthe horizontal furnace. The system and method are capable of accurately obtaining the particle size distribution of fine-mode soot and fine-mode mineral substance ash generated by combustion in high-temperature smoke.

The invention discloses a liftable weak current box and a weak current well. The weak current well and the weak current box body located in the weak current well are included. Slide blocks protrudingout of a surface of the weak current box body are arranged on side surfaces, which are in contact with an inner wall of the weak current well, of the weak current box body. Slideways corresponding topositions of the slide blocks are arranged on the inner wall of the weak current well. A rotating shaft is arranged above a top wall of the weak current well. A pressure-bearing cable is arranged on the rotating shaft, one end of the pressure-bearing cable is fixedly connected with the slide blocks, and the other end is fixedly connected with the rotating shaft and wound on the rotating shaft. Therotating shaft is driven by a motor, a fire extinguishing device capable of being opened through descending of the weak current box body is further arranged at a bottom of the weak current well. A top of the fire extinguishing device is in contact with bottom end surfaces of the slideways. The weak current box body is controlled to ascend and descend through rolling and releasing of the pressure-bearing cable, an outlet of the fire extinguishing device is opened through the weak current box body to achieve a purpose of fire extinguishing, the weak current box is effectively placed in different spaces, and on the basis that a fire behavior of the weak current box is rapidly and timely handled, an influence outside the weak current well is minimized.

The invention relates to the technical field of machining, and discloses mechanical-electrical integrated paint spraying equipment for automobile parts. The mechanical-electrical integrated paint spraying equipment comprises a gun body, a nozzle is arranged at the left end of the gun body, a spraying cavity is formed in the middle of an inner cavity in the left side of the gun body, a needle rod is movably connected to the middle of the inner cavity of the gun body in a sleeving mode, and a piston plate is movably connected to the middle of an inner cavity in the right side of the gun body in a sleeving mode. By arranging a heating anti-condensation mechanism, when paint flows into the spraying cavity from a paint spraying pipe and is sprayed outwards through the nozzle, a driving plate is impacted, the driving plate drives a rotary drum to vertically rotate, and the rotary drum made of a magnetic material overcomes the magnetic attraction force or magnetic repulsion force of magnetic blocks to do work and does friction work with the gun body, so that heat is generated, the temperature in the spraying cavity is gradually increased, the solidification rate of the paint remained in the spraying cavity is reduced under the action of a certain temperature, and the situation that the resistance is increased when the needle rod opens and closes the spraying gun due to the fact that the paint is dried in the spraying cavity is avoided.

The invention provides a jet gun used for fracturing operation. The jet gun comprises a body and a jet nozzle, wherein the body is provided with a cavity, the jet nozzle is formed in the body and provided with a jet hole, the jet hole is used for communicating the cavity with the outside, and a jet included angle A is formed between the axis of the jet hole and the radial plane of the body. The jet gun solves the problems of low sand jet perforation efficiency and short service life due to imperfect perforation of a jet gun in the prior art.