13results about How to "No splash" patented technology

The invention discloses an intelligent laser cladding system and method for a stainless steel plate of a bridge support, and aims to realize accurate and efficient cladding processing and improve the surface performance of a material. The system comprises a six-axis multi-joint robot, a laser tracker, a laser cladding head, a wire feeding mechanism and an electrical control system. The robot controls the laser cladding head to move, the laser tracker monitors and adjusts the cladding process, the laser cladding head provides laser energy, the wire feeding mechanism supplies cladding wires, and the electric control system coordinates all the components to work. The method comprises the steps of matrix pretreatment, cladding system parameter setting, intelligent laser cladding and cladding layer finish machining and polishing treatment. By accurately controlling conveying of laser beams and metal wires and motion parameters of all parts, intelligent high-quality cladding machining of workpieces made of different materials and in different shapes is achieved, and the device is suitable for cladding of stainless steel plates with planes, convex surfaces and concave surfaces. According to the system and the method, the cladding precision and efficiency are improved, the cost is reduced, and the system and the method have wide industrial application prospects.

The utility model relates to the technical field of compaction degree detection devices, and discloses a highway engineering subgrade layer compaction degree detection device which comprises a supporting bottom plate, a top mounting box is arranged at the top end of the supporting bottom plate, wheels are uniformly arranged on the periphery of the bottom end of the supporting bottom plate, a push handle is arranged on the side edge of the supporting bottom plate, and the push handle is arranged on the top end of the supporting bottom plate. The top mounting box is provided with a balancing weight, the top mounting box is provided with a compaction degree detection accurate sampling assembly used for stable sampling, and the compaction degree detection accurate sampling assembly is arranged on the top mounting box, so that the problem of soil splashing caused by drilling by using a blade can be effectively avoided; according to the subgrade compaction degree detection device, the discharged soil can be relatively completely collected by a user, and the sampled soil and the standard sand are equivalently replaced, so that the subgrade compaction degree data can be obtained by detecting the standard sand, the subgrade compaction degree can be more accurately detected, and the detection requirements of the user are met.

The utility model provides a sample grinding device for chemical detection, and relates to the technical field of grinding machines. The rotating disc is rotationally connected to the upper surface of the base and used for bearing the grinding disc to rotate; the grinding disc is detachably mounted on the surface of the rotating disc, and a chemical sample can be placed in the grinding disc; the support is fixedly connected to the upper surface of the base and supports the second motor and the screw to rotate; the screw rod is in threaded connection with the inner wall of the bracket and drives the first motor to move; the control disc is fixedly connected to one end of the screw rod, so that a worker can rotate the screw rod conveniently; the first motor is fixedly connected to the other end of the screw rod and drives the driving shaft to rotate; the driving shaft is a shaft rod fixedly connected to the output end of the first motor and used for driving the grinding roller to rotate. The utility model solves the problems that in the grinding process of the grinding machine, powder of a chemical sample can be stirred out of the grinding disc by the quickly rotating grinding roller and falls on a test bed, so that the powder is inconvenient to clean by a worker.

The utility model relates to the technical field of bench drills, in particular to a bench drill for wood tray processing, which comprises a base, a telescopic support frame is fixedly mounted on the top surface of the base, a protective mechanism is arranged below the telescopic support frame, a collecting mechanism is arranged above the base, and the protective mechanism comprises a protective part and a connecting part. The protection mechanism is used for preventing chippings from splashing during drilling, the collecting mechanism comprises a collecting part and a fixing part, and the collecting mechanism is used for collecting the chippings. When a telescopic supporting frame drives a drilling device to move downwards to machine a wood tray, firstly, an extrusion plate makes contact with the wood tray to fix the wood tray, under the action of a spring, downward elastic force is exerted on a round sleeve and a fixing column, a fixing frame drives the extrusion plate to extrude the wood tray more compactly and stably, and under the action of a first filter plate and a second filter plate, the wood tray is machined more firmly. And chippings generated by machining can be blocked in the filter plate, splashing of the chippings cannot be caused, and then the safety of workers is guaranteed.

The invention relates to the technical field of molten iron smelting, in particular to a method for smelting high-silicon and high-manganese molten iron under low iron loss, which comprises the following steps: loading high-silicon and high-manganese molten iron, scrap steel, iron blocks and slag steel into a converter; slag remaining operation is adopted for smelting, the slag remaining amount of an upper furnace is controlled, slag splashing furnace protection is conducted after tapping, the remaining slag serves as a slagging material for blowing of the next furnace, and a gun is lowered for sparking blowing; a solvent is added in the earlier stage of blowing, the solvent comprises lime, unfired dolomite and magnesium balls, the lance position in the earlier stage of blowing is controlled to be 2200 mm, and when the oxygen blowing amount is 4200-4600 m < 3 >, one-time lance lifting operation is carried out; and secondary gun lowering is carried out after primary gun lifting, the gun position is controlled to be 2100 mm, feeding is carried out after slag coming, splashing is pressed, the gun position is lowered, and carbon catching and steel tapping are carried out in the later period of blowing. The blowing process is stable and free of splashing, the final temperature and oxygen control are stable, and meanwhile, under the condition that the heat of the converter is not rich, ordinary steel in a refining route can be smelted through high-silicon high-manganese molten iron chemical heating.

The invention relates to the field of fire-fighting equipment, in particular to a fire-fighting unmanned aerial vehicle for breaking windows on floors, which structurally comprises a launcher, the launcher comprises a puncture part and a fixed seat, a reset spring is mounted in the fixed seat, a limiter is nested in the reset spring, and the limiter is positioned on the inner wall of the fixed seat; the puncture part is embedded into an inner groove of the fixing base to compress the reset spring to be matched with the limiting stopper in an embedded mode, the puncture part comprises a bonding ring and a suction cup, the bonding ring is located on the suction face of the suction cup, and a window breaking device formed by combining an elastic needle and a trigger groove is embedded in the middle of the suction cup. The sucker is stabilized through the balance column, the balance column is bonded to the surface of glass in advance to form a track with the lantern ring, the limiting rod pushes the sucker to be sucked to the surface of the glass through potential energy generated by the reset spring, the sucker is bonded to the surface of the glass under cooperation of the bonding ring, and the trigger groove stably pushes the elastic needle to trigger; and the glass is broken in a single-point breaking manner.

The high-pressure-bearing faucet grouting tool comprises a faucet assembly and a base assembly arranged below the faucet assembly, the faucet assembly comprises an elbow, a spherical valve and an adjustable elbow which are sequentially connected, and the other end of the adjustable elbow is connected with a slurry injection pipeline; the base assembly comprises an inner cylinder and an outer cylinder which are sleeved inside and outside, and the top of the inner cylinder is welded and fixed to the adjustable elbow. The device is high in pressure bearing capacity and convenient to operate on site, the working efficiency is greatly improved, and hidden dangers of manual operation are reduced; by the adoption of the grouting device, sprayed slurry can be greatly reduced to be scattered on a drill floor face, and therefore the environment-friendly effect is achieved.

This invention discloses a household absorption air conditioner / generator, belonging to the field of integrated refrigeration, air conditioning, and power generation technology. The device eliminates the traditional compressor, installing a 3-6KW direct-drive permanent magnet micro-generator in the original compressor location, equipped with a planetary or turbine gearbox. The core heat exchange component uses a graphite titanium plate heat exchanger, and the outer casing is made of titanium. Calcium chloride-ammonia water is used as the working fluid pair, with the fluids in the condenser and absorber in a gas-liquid two-phase state. An external liquid pump and solution pump are provided, and the plate condenser has a vacuum port; an external micro-vacuum pump draws a vacuum to reduce the vaporization temperature. The device achieves switching between cooling, heating, and standalone power generation modes via a circuit board, with the generator autonomously powered by a condenser fan. Its heat transfer coefficient reaches 6000-7000W / (m²・K), water consumption is only 5%-10% of traditional equipment, and energy efficiency is 60%-90%. Cooling and heating switching is achieved by reversing the external circulation pump. The product is suitable for areas without electricity, islands, deserts and other scenarios. It can be used for both military and civilian purposes, and can meet the dual needs of household air conditioning and daily electricity use. It is energy-saving, environmentally friendly and has a broad market prospect.

The utility model relates to the technical field of medical supplies, and discloses a wound cleaning tool which comprises a placing box, the top of the placing box is fixedly connected with a supporting assembly, the top of the supporting assembly is fixedly connected with a medicine dispensing assembly, when a wound of an arm of a patient needs to be flushed, a worker lifts a closed ring upwards, and the medicine dispensing assembly is fixedly connected with the supporting assembly. The closed ring drives the connecting block and the lifting block to ascend in the lifting groove, the lifting block pulls the spring upwards, then the patient puts the arm into the placing groove in the top of the placing block, the worker loosens the hand lifting the closed ring upwards, and the closed ring is clamped above the arm of the patient under the elastic reset of the spring. Normal saline is blocked by the placing groove and the baffle and cannot be splashed to clothes of the patient, the normal saline in the placing groove can be discharged along with the drainage groove, and discomfort caused by moisture of the clothes of the patient cannot be caused.

The utility model relates to a sludge dewatering device which comprises a dewatering assembly, a sludge conveying assembly and an air compressor assembly, the dewatering assembly comprises a tank body, a movable filter plate and a fixed filter plate, the movable filter plate and the fixed filter plate are oppositely arranged in the tank body in a spaced mode, and the movable filter plate is arranged above the fixed filter plate. The movable filter plate is movably arranged in the tank body, the moving direction of the movable filter plate is parallel to the vertical direction, the inner space of the tank body is divided into a pneumatic cavity, a filter pressing cavity and a drainage cavity which are sequentially distributed from top to bottom by the movable filter plate and the fixed filter plate, water permeable holes are formed in the fixed filter plate, the air compressor assembly is communicated with the pneumatic cavity, and the filter pressing cavity is communicated with the drainage cavity. The sludge dewatering device provided by the utility model has the advantages that the sludge pressing efficiency is improved, the processing cost can be reduced in practical application, and the economic benefit is improved.

The invention relates to the technical field of PCBA board processing, in particular to a PCBA processing spot welding device, comprising a fixing frame, a fixing mechanism capable of fixing the PCBA board is fixedly installed on the inner wall of the fixing frame, a moving mechanism capable of adjusting multiple degrees of freedom is fixedly installed on the inner top of the fixing frame, an electric retracting arm is fixedly installed on the lower end of the moving mechanism, a fixing pipe is fixedly installed on the output end of the electric retracting arm, a welding mechanism capable of welding the PCBA board is rotatably installed inside the fixing pipe, two groups of conveying mechanisms capable of conveying tin bars to the welding mechanism are also fixedly installed on the output end of the electric retracting arm, tin liquid flows to the inside of the funnel through the guide pipe, and drips onto the outer surface of the PCBA board through the guide cone, the electric retracting arm retracts upward, a torsion spring above the welding pipe resets the welding pipe, the welding pipe drives the tin liquid box to reset, the high-temperature metal block is high temperature, and the welding mounting block also has a high temperature, which can keep the tin liquid inside the tin liquid box warm, and can weld the welding position of the PCBA board within a specified range.

The present invention provides a DC welding control method and device, the method comprising: obtaining the transition time of the molten droplet, determining the molten droplet transition time deviation value based on the preset DC welding standard parameters; if the deviation value exceeds the first preset range, adjusting the arcing stage parameters, re-determining the deviation value, so that the deviation value is within the first preset range; obtaining the arcing time and arcing energy after parameter adjustment, and determining the arcing time deviation value and arcing energy deviation value based on the DC welding standard parameters; adjusting the short-circuit stage parameters according to the arcing time deviation value and the arcing energy deviation value. By adjusting the arcing stage parameters, the molten droplet transition time is reasonable, the arc is stable, and no large spatter is generated; by adjusting the short-circuit stage parameters to match the arcing stage, the force of the wire breaking at the moment of transition is small, and the amount of spatter generated during the welding process is further reduced, thereby reducing the later cleaning, improving the welding efficiency, and improving the welding effect.

The application discloses a double-flow-channel gas protection TIG welding gun, and relates to the technical field of welding devices.The welding gun comprises a tungsten electrode structure, a first pipeline structure, a second pipeline structure and a jet pipeline structure arranged in sequence from top to bottom, the first pipeline structure is provided with an outer protective gas inlet, the first pipeline structure is provided with a first outer protective gas channel, the second pipeline structure is provided with an inner protective gas inlet, the second pipeline structure is provided with a second outer protective gas channel and a first inner protective gas channel, the tungsten electrode structure is arranged in the jet pipeline structure, the tungsten electrode structure comprises a mounting seat and a tungsten needle, the jet pipeline structure and the mounting seat are provided with a third outer protective gas channel, the tungsten needle is arranged in the mounting seat, the length direction of the tungsten needle is perpendicular to the length direction of the first pipeline structure, the mounting seat and the tungsten needle are provided with the second inner protective gas channel, and one end of the tungsten needle extends out of the jet pipeline.The welding gun can realize double-gas protection, reduce spatter and form a beautiful weld.