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55results about How to "Effective ejection" patented technology

Laser splitting galvanometer scanning and processing device

ActiveCN103706946AQuick switchRich Spatial Trajectory ModulationLaser beam welding apparatusLaser processingLight beam
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.
Owner:张立国

Polishing brush for glass surface

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.
Owner:安徽省潜山县潜源鬃刷有限公司

Laser beam splitting and processing device

ActiveCN103658975AFast focus switching High precision focus switching capabilityImprove processing efficiencyLaser beam welding apparatusProcessing accuracyBeam steering
The invention relates to the field of laser processing, in particular to a laser beam splitting and processing device. The laser beam splitting and processing device comprises a laser focusing and switching module, a laser splitting module and a beam steering module. The laser splitting module can process a single laser into multiple lasers, the laser focusing and switching module can focus lasers and switch spatial space of laser focal points at a high speed, and through combination of the laser splitting module and the laser focusing and switching module, array laser processing with high speed, efficiency and accuracy is realized; through the beam steering module, control content of beam movement trajectories during laser processing is further enriched, and requirements on various processing environments and processing conditions can be met. Compared with conventional laser processing devices, the laser beam splitting and processing device has the advantages that processing accuracy, processing efficiency, processing quality and the like are greatly improved, and the laser beam splitting and processing device adapts to the development trend of modern solid-sate lasers and can be widely applied to the field of laser processing.
Owner:张立国

Dropsonde ejection cylinder, ejection device and automatic feeding device

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.
Owner:BEIJING INST OF RADIO MEASUREMENT

Hydrogen fuel cell testboard humidification gas and cell stack water balance detection device

The invention discloses a hydrogen fuel cell testboard humidification gas and cell stack water balance detection device, which relates to the technical field of hydrogen fuel cell test. The hydrogen fuel cell testboard humidification gas and cell stack water balance detection device comprises a frame body, supporting columns are fixedly installed at the corners of the periphery of the lower surface of the frame body, a hydrogen cell is movably installed in the middle of the upper surface of the frame body, a first gas storage tank and a first water storage tank are fixedly installed at the positions, located on one side of the hydrogen cell, of the upper surface of the frame body, a plurality of line sockets are fixedly installed on the outer surface of one side of the hydrogen cell, and asecond gas storage tank and a second water storage tank are fixedly installed at the positions, located on the other side of the hydrogen cell, of the upper surface of the frame body. According to the detection device, an external operator can take and place the hydrogen cell conveniently, the installation efficiency is improved, the air tightness between the connecting pipe and the through pipeis better effectively, and test data deviation caused by leakage of gas and ionized water is avoided.
Owner:湖北德普电气股份有限公司

Washing machine clutch flange punch forming technology

The invention provides a washing machine clutch flange punch forming technology. A punch platform, four supporting feet vertically connected to the lower end of the punch platform, two supporting plates vertically and symmetrically connected to the upper end of the punch platform, a top plate vertically connected to the upper ends of the two supporting plates, and a hydraulic cylinder fixedly connected to the middle of the lower end of the top plate are included, and the output end of the hydraulic cylinder is vertically connected with the upper end of a pressing moving plate; shortcomings inthe prior art can be overcome, design is reasonable, the structure is compact, the material and the structure of a flange disc are changed, the material is changed into easily-purchased SPCC cold rollsteel from expensive zinc alloy, a center gear is changed into a smooth shaft sleeve, the problem that dimensional tolerance of the center gear is high in requirement is solved, strength of a flangedisc made of the SPCC cold roll steel is improved by few times compared with strength before improvement, deforming and breaking are not prone to happening, the quality of the flange disc is greatly improved, and the production efficiency of the flange disc is improved.
Owner:宁国市金泰金属制品有限公司

Road and bridge construction surface spraying device and spraying method thereof

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.
Owner:芜湖薰衣草知识产权运营有限公司

Horizontal well fracturing device, horizontal well fracturing system and operation method of horizontal well fracturing system

InactiveCN107630690AImprove the transformation effectControl the position of the punch holeFluid removalMaterial PerforationPetroleum engineering
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.
Owner:PETROCHINA CO LTD

Hot pot ingredient barrel and automatic food material separation hot pot device with same

The invention relates to a hot pot ingredient barrel and an automatic food material separation hot pot device with the same. The hot pot ingredient barrel comprises a barrel and an ingredient plate. The barrel is provided with an open upper end and an open lower end, the ingredient plate is arranged on the outer side wall of the barrel and is close to the upper end of the barrel, liquid circulation channels are arranged on the lower portion of the barrel, and the inside and the outside of the barrel can be communicated with each other via the liquid circulation channels; through holes are formed in the ingredient plate. The hot pot ingredient barrel and the automatic food material separation hot pot device have the advantages that liquid can be heated by big fire when diners eat hot pots by the aid of the hot pot ingredient barrel, sharp pressures can be generated when the liquid flows through the open upper end of the hot pot ingredient barrel, the liquid can be ejected by the pressures to immerse food materials, the fire can be reduced or temporarily stopped after the food materials on the ingredient plate are thoroughly cooked, the pressures of the liquid can be reduced, soup can be separated, and the thoroughly cooked food materials on the ingredient plate can be exposed, so that the diners can eat the thoroughly cooked food materials; new food materials further can be added after the thoroughly cooked food materials are eaten up, accordingly, the problems of soup mixing and loss of original taste due to mixed redundant food in existing soup can be assuredly solved, andthe problems of nutrition loss and generation of harmful substances due to the fact that existing food materials are boiled and cooked in soup pots for a long time can be solved.
Owner:FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD

Crosswind utilized type cooling tower

InactiveCN104390509APrevent direct interferenceProtected altitudeTrickle coolersCooling towerPower station
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.
Owner:王卫良

Novel 3D printer nozzle structure

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.
Owner:TIANJIN ZHIJIE TECH CO LTD

Recovery system for soot in boiler waste gas

A recovery system for soot in boiler waste gas comprises a recovery system body, wherein an electrostatic dust chamber is arranged at the upper end of the recovery system body; a soot recovery chamber is arranged at the lower end of the recovery system body; a dust bin is arranged at the upper end of the electrostatic dust chamber; a dust hopper is arranged at the lower end of the electrostatic dust chamber; the bottom of the electrostatic dust chamber is connected with the middle of the top of the soot recovery chamber through a discharge pipe; an atomizing sprinkler is arranged on the left side of the soot recovery chamber; a bin door is arranged on the right side of the soot recovery chamber; a base is arranged at the bottom of the soot recovery chamber; an ash-in net is arranged at the inner top end of the soot recovery chamber; a dust box is arranged at the inner bottom end of the soot recovery chamber. The recovery system for soot in boiler waste gas fully collects and effectively recovers soot in waste gas, not only avoids air pollution caused by direct discharge of waste gas but also fully recovers soot, is low in recovery cost, simple to operate and higher in resource utilization ratio, and is environment-friendly, efficient and energy-saving.
Owner:南京恒誉名翔科技有限公司

Intelligent logistics warehouse of modern Internet of Things

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.
Owner:镇江亚夫兴农股份有限公司

Multi-layer filtering device for soil pollution remediation

ActiveCN111906133AImprove ingredient qualityPromote formationSievingScreeningDrive wheelPollution soil
The invention discloses a multi-layer type filtering device for soil pollution remediation, which comprises an outer box shell, a support base, an auxiliary grinding assembly, a built-in filtering assembly and a conveying device; the outer box shell is fixedly arranged on the upper end surface of the support base, and a plurality of driving wheels are symmetrically arranged at four corners of thelower end surface of the support base; an auxiliary grinding assembly is vertically arranged on one side of the interior of the outer box shell in a penetrating mode and is used for primarily grindingand refining new soil mud, so that the soil mud enters a built-in filtering assembly in a granular form; a built-in filtering assembly is arranged in the outer box shell and is communicated with theauxiliary grinding assembly, wherein a conveying device is further installed in the outer box shell and conveys filtered soil mud to the outside of the device and evenly disperses the filtered soil mud to cover the ground surface layer of to-be-trimmed soil; therefore, a layer of covering nutrient film is formed on the surface of the land.
Owner:TONGREN UNIV

Supporting tool for columnar workpiece machining

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.
Owner:徐州润田农业机械有限公司

Online detection system and method for particle size distribution of superfine-mode particulate matters in high-temperature smoke

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.
Owner:XI AN JIAOTONG UNIV

Foamed wood composite board production and manufacturing process

The invention relates to a foamed wood composite board production and manufacturing process. Machining equipment comprises a bottom plate, a fixed die carrier and a moving die carrier, wherein the middle part of the upper end of the bottom plate is provided with the fixed die carrier; the moving die carrier is arranged above the fixed die carrier; and the lower end of the moving die carrier is arranged on the bottom plate. The foamed wood composite board production and manufacturing process solves the problems that an existing wood composite board generally takes wood shavings or fiber materials as a board core, but the composite board of the structure needs more wood resources, the compounded board is large in weight and low in flame resistance, sound insulation and heat preservation performance, the follow-up use effect is affected, and meanwhile, when the existing wood composite board is machined, the machining effect is poor, the efficiency is low, foam materials cannot be effectively injected into gaps between plates, the plates cannot be rapidly ejected out after the plates are foamed and formed, and the formed plates cannot be collected manually.
Owner:合肥蓝川生态科技有限公司

Fabricated building wallboard compression molding equipment

The invention discloses fabricated building wallboard compression molding equipment. The equipment comprises a bottom plate, a shell frame and a mold pressing device, wherein, the shell frame is arranged at the upper end of the bottom plate, the section of the shell frame is of a U-shaped structure, the mold pressing device is arranged in the shell frame, and the lower end of the mold pressing device is arranged on the bottom plate. The equipment can solve the problems that when existing equipment is used for machining fabricated building wallboards, the machining effect is poor, efficiency is low, the wallboards cannot be effectively subjected to compression molding, the wallboards formed cannot be ejected out, and follow-up collection of the wallboards is not facilitated; and that when the existing equipment is used for machining the fabricated building wallboards, a release agent cannot be sprayed to the interior of a mold cavity, the wallboards formed are not easy to separate from a mold, a large number of impurities are easily adhered to the interior of the mold cavity, and the quality effect of the wallboards formed is affected.
Owner:天恩建设集团有限公司

Liftable weak current box and weak current well

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.
Owner:成都理工智联科技有限公司

Mechanical-electrical integrated paint spraying equipment for automobile parts

InactiveCN112619920AReduce the solidification rateAvoid situations of increased resistanceLiquid spraying apparatusSuction forceEngineering
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.
Owner:刘伟

Jet gun

InactiveCN109798093AEffective ejectionRealize sandblasting and perforating operationsFluid removalRadial planeEngineering
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.
Owner:PETROCHINA CO LTD

A laser beam splitting processing device

The invention relates to the field of laser processing, in particular to a laser beam splitting and processing device. The laser beam splitting and processing device comprises a laser focusing and switching module, a laser splitting module and a beam steering module. The laser splitting module can process a single laser into multiple lasers, the laser focusing and switching module can focus lasers and switch spatial space of laser focal points at a high speed, and through combination of the laser splitting module and the laser focusing and switching module, array laser processing with high speed, efficiency and accuracy is realized; through the beam steering module, control content of beam movement trajectories during laser processing is further enriched, and requirements on various processing environments and processing conditions can be met. Compared with conventional laser processing devices, the laser beam splitting and processing device has the advantages that processing accuracy, processing efficiency, processing quality and the like are greatly improved, and the laser beam splitting and processing device adapts to the development trend of modern solid-sate lasers and can be widely applied to the field of laser processing.
Owner:张立国

A sand casting gating system for bracket castings

The invention discloses a sand casting pouring system for bracket-like castings. The invention relates to the technical field of casting and pouring. Two corresponding limiting plates are fixedly installed, a hydraulic cylinder is fixedly installed on the end surface of the concave plate, a casting mold is fixedly installed at a corner position on one side of the end surface of the bottom plate, and a template is fixed at the output end of the hydraulic cylinder; A pouring trough is opened at the middle position inside the pouring mold, and a resisting plate is movable inside the pouring trough, and a movable rod is fixed on the lower end surface of the resisting plate, and a second inclined plane resisting block is fixedly installed on the lower end surface of the movable rod. The casting pouring system can not only effectively move the collision plate upwards, thereby effectively ejecting the pouring model, which is convenient for external personnel to handle, but also can effectively avoid the solidification of the pouring liquid due to a long time.
Owner:山东宇信铸业有限公司

Ventilating device with alarming effect for production workshop of acetylene gas

The invention discloses a ventilating device with an alarming effect for a production workshop of acetylene gas. The ventilating device comprises a workshop, an air outlet, an exhaust fan, an escapingport and an acetylene gas detector; a ventilating fan is arranged on the top on one side in the workshop through a connecting frame; the acetylene gas detector is arranged on one side of the ventilating fan through bolts; a single chip is arranged on the bottom of the acetylene gas detector through a protecting box; an alarming lamp is arranged on the bottom of the ventilating fan through the bolts; the acetylene gas detector is electrically connected with the single chip; the single chip is electrically connected with the alarming lamp; the ventilating fan is used for continuously ventilating in the workshop; the acetylene gas detector on one side of the ventilating fan is used for detecting the flowing air in real time; the acetylene gas detector is used for detecting if acetylene gas leaks; if leakage exists, the alarming lamp in a present detecting area is turned on by the single chip through a preset command; and the alarming lamp alarms, so as to realize regional alarming, so that the worker can conveniently and quickly judge the leaking area of acetylene gas.
Owner:酒泉顺鑫气体股份有限公司

A hydrogen fuel cell test bench humidification gas and battery stack water balance detection device

The invention discloses a detection device for humidifying gas and battery stack water balance of a hydrogen fuel cell test bench. The invention relates to the technical field of hydrogen fuel cell testing, and includes a frame body. A supporting column, a hydrogen battery is movably installed in the middle of the upper surface of the frame, and a first gas storage tank and a first water storage tank are respectively fixedly installed on the upper surface of the frame at one side of the hydrogen battery. A number of line sockets are fixedly installed on the outer surface of one side of the battery, and a second gas storage tank and a second water storage tank are fixedly installed on the upper surface of the frame at the other side of the hydrogen battery. The detection device is not only convenient for external operators to take and place the hydrogen battery, which speeds up the installation efficiency, but also effectively makes the airtightness between the connecting pipe and the through pipe better, avoiding the leakage of gas and ionized water, which will cause the test The data is skewed.
Owner:湖北德普电气股份有限公司

Compound pulse laser drilling method and device

The embodiment of the invention provides a composite pulse laser drilling method and device. The composite pulse laser drilling method comprises the following steps: generating a pulse with short pulse width, wherein the pulse with short pulse width comprises a pulse array with short pulse width, and the repetition frequency of the pulses with short pulse width in the pulse array with short pulse width is equal to or larger than 100 kHz; generating a pulse with long pulse width, and adjusting the energy of the pulse with long pulse width to enable the energy to be equal to or larger than melting heat needed in melting of melt-fluid layers of the side wall and the bottom of a small hole during the drilling process of the pulse array with short pulse width; synchronously overlapping the pulse with short pulse width and the pulse with long pulse width through a combining and bunching device, wherein the relative delay time is 0-100 microseconds, and forming a high repetition frequency composite pulse; and transmitting the high repetition frequency composite pulse to a component for laser drilling. The method and the device have the advantages that a film hole can be processed in an aero-engine component with high efficiency and high quality, the thickness of a largest recast layer of the film hole of a blade of a turbine is minimized to 11.5 microns, and the drilling speed of the pulse with short pulse width is about doubled.
Owner:AVIC BEIJING AERONAUTICAL MFG TECH RES INST

Pressing-cutting ejection mechanism of thermoforming packaging machine

The invention provides a pressing-cutting ejection mechanism of a thermoforming packaging machine, and belongs to the field of packaging machines. The pressing-cutting ejection mechanism comprises a pressing-cutting die frame and a fixed seat plate. A bearing seat plate can be slidably arranged between the pressing-cutting die frame and the fixed seat plate through a plurality of guiding columns.The bearing seat plate is provided with a cutter seat, and a cutter is fixed on the cutter seat. Communicating grooves are formed in the side walls of the left side and the right side of the cutter seat. Supporting strips are arranged in the grooves in an inserted mode, and the two ends, exposed out of the cutter seat, of each supporting strip are fixed on supporting strip seats correspondingly. The supporting strips in the cutter seat are provided with an ejection disc. Sliding rails are arranged on the left side wall and the right side wall of the fixed seat plate. Sliding blocks on the sliding rails are fixedly connected with the supporting strip seats. According to the pressing-cutting ejection mechanism of the thermoforming packaging machine, the ejection disc can be movably and internally arranged in the cutter seat, and the ejection disc ejects a small pack on the cutter seat in the process of downward moving of the bearing seat plate by using the vertical stroke of the bearingseat plate; and the pressing-cutting ejection mechanism can be applied to packaging of various sizes, and a guiding structure and a fixing structure of the supporting strips are arranged externally, so that the cutter seat or the ejection disc are convenient to replace.
Owner:ZHEJIANG UTIEN PACKAGING MACHINERY
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