147results about How to "There will be no breakage" patented technology

The invention provides a high treatment capacity feed atomizing nozzle, and belongs to the field of petrochemical equipment. A combined cyclone, a multi-point gas injection structure and a spray-head with a porous impinging structure are adopted; and a hard alloy surfacing structure is adopted at orifices. The nozzle is suitable for feed atomizing nozzles of heavy oil FCC devices with the yield of 3,500,000-6,000,000 tons/year, the treatment capacity of a single nozzle is 60-100t/h, and a defect that the dimension of the nozzle is changed due to high treatment capacity so as to cause low atomizing effect is improved; meanwhile, the nozzle has the atomized particle size in a range of 60+/-10 mu m, the liquid layer on the injected sector surface is distributed uniformly, the yield of light oil is high, the productivity of dry gas is low, and the coking in the tubes is improved; besides, the steam consumption is low, and the gas/liquid ratio is between 3 and 6 percent (raw materials). In addition, the injecting speed of the nozzle is medium, a phenomenon that a catalyst is broken cannot occur in the production, and the nozzle has high wear resistance and the service life of more than 5 years.

The invention discloses an umbrella-shaped detent hanger. An umbrella framework structure is used for reference, elastic rope yarns or springs are mounted to make surface frames have the unfolding trend, and a hanging fixed pulley is further arranged at the lower end of the structure. When the umbrella-shaped detent hanger is matched with a charging long bag for charging an upward or horizontal or downward gently inclined deep blind hole with the enlarged hole bottom, the umbrella-shaped detent hanger is clamped at the hole bottom, the charging long bag is dragged into the blast hole through a rope winds around the fixed pulley, breakage and deformation of a blasting charge can be avoided, accurate spacing charging and non-coupling charging are achieved, and the problems of charging and blockage of upward or horizontal or downward gently inclined deep blind holes are solved. The umbrella-shaped detent hanger is simple in structure and wide in available material source, and mass industrial production and usage are easy. The construction method provided by the invention is wide in application range and can be widely used for projects of demolition blasting, soil and rock blasting, controlled blasting and mine blasting, and the technical scheme with the high cost performance is provided for deep hole charging.

The invention provides a textile yarn guiding and tensioning device. The textile yarn guiding and tensioning device comprises a limiting frame, a guide-in device, a tensioning device and output devices. The guide-in device is arranged on the outer wall of the rear end of the limiting frame. The tensioning device is mounted on the middle portion of the limiting frame. The output devices are uniformly arranged on the outer wall of the front end of the limiting frame. Through the textile yarn guiding and tensioning device, the problems that in the existing yarn tensioning process, the tensile force of different thicknesses of yarns is inconvenient to adjust, the yarns are snapped frequently, the production efficiency is affected, the tensioned yarns are inconvenient to wind in the tensioningprocess, the yarns bear too much friction force and are likely to get snapped, and the yarns get loose and the tensioning effect is affected once yarn winding equipment stops operating can be solved.

The invention discloses a processing device for a hollow vitrified microbead insulation board, which comprises a base, a mixing bucket, a sealing cover, a feeding hopper and a liquid distribution pipe. The mixing bucket is installed on the base, and a top opening of the mixing bucket is installed The sealing cover hinged with it is provided with a feeding hopper for inputting hollow vitrified microbeads into the mixing tank and a liquid distribution pipe for inputting adhesive into the mixing tank. The fixed bracket of the hard gas distribution pipe has the beneficial effect of the present invention: a large number of air bubbles are generated through the pores, so that the hollow vitrified microbeads and the adhesive can be fully mixed. Stirring causes the hollow vitrified microspheres to be damaged, which improves the quality of the insulation board, and through the setting of the screw conveyor, the excess air bubbles in the mixture can be squeezed out during the screw conveying process, increasing the air bubble content in the insulation board , To ensure product quality.

The invention discloses a foam plate perforating machine which is characterized by comprising a framework and a hole forming assembly. A hole forming space is arranged inside the framework, and the bottom of the hole forming space is used for placing to-be-perforated foam plates a stacked manner; the hole forming assembly is arranged on the framework and comprises a transmission shaft, a connecting plate and a plurality of heating rods, the connecting plate is fixed to the bottom of the transmission shaft, the heating rods are fixed to the bottom of the connecting plate, the transmission shaft is vertically movably arranged on the top of the framework, and the heating rods are electrically connected with a heating device; a lifting device is further arranged on the top of the framework, and the transmission shaft can vertically move under the control of the lifting device. The foam plate perforating machine has the advantages that holes can be efficiently and quickly formed in the foam plates, accordingly, requirements of large-scale batch production can be met, and the forming quality of the holes can be guaranteed.

The invention relates to an intelligent dining table convenient to clean. The intelligent dining table comprises a base, an adjusting dining table body and a cleaning device, the adjusting dining table body is mounted in the middle of the base, and the cleaning device is mounted at the front end of the base. According to the intelligent dining table convenient to clean, the problems that when a glass rotating disc on an existing circular dining table is cleaned, the middle of the rotating disc is difficult to clean during in-situ cleaning, the time and labor are consumed when the rotating disc is lifted away for cleaning, the glass rotating disc is a fragile product, and the glass rotating disc is inevitably smashed to pieces due to frequent carrying can be solved; and the intelligent dining table has the advantages that the surface of the upper end of the dish-placing rotating disc is cleaned omni-directionally, an uncleaned place does not exist, cleanliness is improved through multi-step cleaning, in-situ cleaning is realized, the situation of smashing to pieces is avoided, a middle-embedded-type table top can be dismantled by a single person, and the labor intensity of cleaning personnel is lowered.

Te invention provides a tensile testing machine fixture for wires. The tensile testing machine fixture comprises a first block and a second block, wherein the first block and the second block are fixedly connected through a nut. A plurality of parallel semicircular first grooves are formed in the first side of the first block. A plurality of parallel semicircular second grooves are formed in the second side of the second block. A cylindrical through hole is formed by each first groove and the corresponding second groove. In this way, multiple through holes are formed between the first block and the second block, the diameters of the through holes are different, and the through holes are used for carrying out tests on wires with different diameters. According to the tensile testing machine fixture, the through holes with different diameters are formed for the wires with different diameters, the wires are wound around a winding fixing part after penetrating the through holes and are fixed in a knotting mode or fixed in a bonding mode after passing through adhesive grooves, the wires are solidly fixed to the fixture and do not slip, the clamped ends of the wires are located in the through holes and are free of fractures, and therefore the accuracy of test results is improved.

The invention provides a patrol path map management system. When the patrol path map management system is adopted to perform patrol operation, a file calling instruction is sent to a processor through an instruction acquisition unit; the processor calls a TPK file matched with identifier information from a database in a memory; the TPK file is sent to a patrol mobile terminal through a data transmission interface; the patrol mobile terminal obtains and stores the TPK file through a map manager and then analyzes the TPK file to obtain a patrol map corresponding to the TPK file; and the patrol map is displayed through a display. According to the system, the patrol map is displayed in the form of an electronic map on the patrol mobile terminal, so that the problem of damage of a paper map does not exist; the system is convenient to carry; and the TPK file is easier to call, so that the working efficiency of the patrol operation is improved.

The invention relates to the field of refrigerators, in particular to a refrigerator and a handle for carrying the same. The handle comprises a base plate. The base plate is provided with a first mounting fixing unit, a second mounting fixing unit and a hand holding groove. The first mounting fixing unit is fixedly connected with a lower bottom plate of the refrigerator, and the second mounting fixing unit is fixedly connected with a lower front beam of the refrigerator. The hand holding groove is positioned on the outer side of the second mounting fixing unit. People can carry the refrigerator through the hand hold groove, so that falling of the refrigerator during carrying can be prevented, personal injury caused by a crashed refrigerator or damage to the refrigerator due to falling can be avoided, and safety hazards existing during carrying can be effectively avoided.

The invention discloses a connecting shank, and particularly discloses a bimetal hole saw connecting shank. The invention provides the bimetal hole saw connecting shank for preventing a hole saw from swaying after the hole saw is installed. The bimetal hole saw connecting shank comprises a connecting shank body and a transmission pin, wherein the connecting shank body comprises a motive power connecting end, a drilling saw connecting end provided with hole saw connecting threads and a spotter installing hole, and an installing part which is provided with an installing through hole. The installing part is arranged between the motive power connecting end and the drilling saw connecting end, and the transmission pin is arranged in the installing through hole and can move along the axial direction of the installing through hole. The bimetal hole saw connecting shank further comprises a hole saw firming device, wherein the hole saw stable device is arranged on the connecting shank body through a thread structure and can moves along the axis of the connecting shank body through the thread structure, and the hole saw stable device firms the hole saw through the movement along the axis of the connecting shank body. After the hole saw is connected with the drilling saw connecting end and the transmission pin is pushed into a pin hole, the hole saw firming device is continued to be twisted to be attached tightly to the top surface of the hole saw, so that the hole saw cannot sway in use.

The invention discloses a bag type dust collector. The bag type dust collector comprises a workbench, a swing head device, a hot pressing device and a bearing device, wherein the swing head device comprises a base, a rotating shaft, a support part and a limit device; the hot pressing device comprises an air cylinder, an electric hot plate and a buffer part; the bearing device comprises two bearing heads arranged symmetrically and an air suction device connected with the bearing heads; the air suction device comprises a fan and an air control device which are connected; and the swing head device, the hot pressing device and the bearing device are linked by solenoid valves. The bag type dust collector has a relatively high automation degree and adopts processing modes of double stations and air suction location, and the production efficiency and the product quality are greatly improved.

The invention relates to a laser holography anti-fake film nickel plate slicing method which comprises a step of manufacturing two special laser holography image nickel plates by using an electric casting method, wherein the thickness of each special laser holography image nickel plate is 30 microns, and the size of a nickel plate image is 10cm and 10cm in wide and length. The method scientifically explains the negative and positive relationship of a slicing unit, the nickel plates are accurately spliced in modes that splicing distance is preserved and photoresist is smeared, the nickel plates are not wasted and can be repeatedly used in the whole splicing process, the electric-plated nickel plates are smooth, and the plate seam is solid and durable, and is smaller than 0.1mm; the phenomenon that the slicing seams are fractured is avoided in the mold pressing process, and the binding strength of sub-plates is improved, and simple and precise alignment is achieved.

The invention relates to a light-emitting diode aftertreatment process. The light-emitting diode aftertreatment process mainly comprises the following multiple procedures of inspection operation, straightening treatment, detection treatment, collection packaging and the like. Adopted straightening equipment comprises a bottom plate, a taking device, a rotating device, a straightening device and aclamping device. The following problems existing during straightening of an existing light-emitting diode pin that a, when the traditional light-emitting diode pin is straightened, the middle end of alight-emitting diode needs to be manually held, the pin of the light-emitting diode is clamped by fingers to be straightened, consequently the work efficiency is low, mass production cannot be met, and when straightening is conducted manually through the fingers, the fingers are prone to being stabbed by the pin of the light-emitting diode; and b, when being straightened manually, the pin of thelight-emitting diode is often pulled cut due to excessive force, and consequently raw materials are wasted can be solved; and the straightening efficiency is high, the straightening effect is good, and the phenomenon that the pin is pulled cut is avoided.

The invention relates to a method and a system for predicting the ultra-short-term irradiance of a photovoltaic power station. The method comprises the steps of obtaining a predicted irradiance according to a trained support vector regression model; calculating similarity values and sorting historical numerical weather forecast data according to similarity values; calculating the variances of historical numerical weather forecast irradiances and an actual irradiance, and conducting the weighted accumulation of the variances; calculating the weight of the predicted irradiance of the numerical weather forecast and the weight of the predicted irradiance of the support vector regression model; calculating to obtain the ultra-short-term prediction irradiance of the photovoltaic power station at a predicted moment tp. The invention further relates to a prediction system. The prediction system comprises a training support vector regression model module, a similarity calculation module, a variance calculation module, a weight calculation module and an ultra-short-term irradiance prediction module. By means of the prediction method and the prediction system, the prediction precision can be obviously improved. Meanwhile, the calculation efficiency and the performance meet the requirements of prediction, and the real-time scheduling requirement of the photovoltaic power generation is completely met.

The invention discloses a packaging product transport device with good cushioning effect. The device comprises a housing; a lower surface of the inner wall of the housing is fixedly connected to the lower surface of the air cushion and the left end of the air cushion is connected to one end of an air inlet pipe; the other end of the air inlet pipe passes through the left side surface of the innerwall of the housing and extends to the left side of the housing to connect with an inflation port of an air pump; a right side of the air pump is fixedly connected to the left side of the housing, andthe left side of the air inlet tube is provided with a check valve; the right end of the air cushion is connected with the left end of an exhaust pipe. According to the packaging product transport device with good cushioning effect, by providing the housing, the air cushion, the air inlet pipe, the check valve, the chute, the slider, the first spring, the support plate, the telescopic device, thepush plate, the shell door, the hinge, the handle and the roller, when the device needs to be used for transporting articles, the air cushion can continuously play a good buffering function, therebyreducing the damage of the product during transportation, thereby reducing the economic loss of the manufacturer.

The invention discloses a measuring method for bonding force between a polymeric substrate and a metal coating .The measuring method comprises the steps that on the basis of the prior art, a mask plate with a central through hole is adopted and horizontally placed on the polymeric substrate, and the upper surface of the mask plate is uniformly smeared with a layer of strong bonding glue; the metal coating is deposited on the strong bonding glue, and then when a tensile force testing device exerts tensile force, only interface separation between the portion, under the through hole, of the metal coating and a polymer can be generated at an interface due to the fact that the thickness of the mask plate is larger than that of the metal coating .According to the method, the technical problem that in the prior art, the detected bonding force value between the metal coating and the polymer is actually the resultant force of the true bonding force value between the metal coating and the polymer and the consumption value that the edge of the metal coating is fractured to generate cohesive force is skillfully solved .The measuring result is true and accurate and has the universality.

The invention discloses a welding method for use in high-quality steel continuous rolling, which comprises: 1) annealing the high-quality steel strips to be welded before welding; 2) placing the tail end of the high-quality steel strips delivered to a spiral loop device and the front end of a high-quality steel strips just placed on a conveying frame on a welding platform; 3) pressing the end part of the high-quality steel strips by using a pressure plate on the welding platform in order to ensure that the steel strips does not move; 4) heating the end parts of two high-quality steel strips uniformly by using injection-type torches for cutting, simultaneously heating the end faces of the high-quality steel strips forth and back, and ensuring uniform heating; 5) welding the heated high-quality steel strips by argon arc welding; 6) heating the welded part uniformly by using the injection-type torches for cutting; and 7) naturally cooling the high-quality steel strips, and releasing the pressure plate after the hot red color of the part to be welded fades for 2 to 5 minutes. By the method, a phenomenon that the high-quality steel strips break in a continuous rolling process is avoided.