75results about How to "Cause bodily harm" patented technology

The invention relates to an intelligent wall face grinding and polishing device. The intelligent wall face grinding and polishing device comprises a grinding and polishing head which is provided with a starting and stopping switch; the intelligent wall face grinding and polishing device is characterized by further comprising a stroke control mechanism; the motion end of the stroke control mechanism is connected with a mechanical arm, the mechanical arm is provided with the grinding and polishing head, and a driving assembly of the stroke control mechanism and the starting and stopping switch of the grinding and polishing head are both connected with an intelligent grinding and polishing controller used for achieving intelligent grinding and polishing; and the intelligent grinding and polishing controller comprises a calibration module and an intelligent operation and control module, wherein the calibration module is used for calibrating a motion shaft of the stroke control mechanism according to the size of a wall face to be ground and polished and giving out a stroke control track, and the intelligent operation and control module is used for controlling the grinding and polishing head to operate according to the stroke control track. According to the intelligent wall face grinding and polishing device, mechanization operation is achieved, the body of a fitment worker is prevented from being hurt, the working efficiency is improved, and the polishing effect is improved.

The invention discloses a quickly-removable propping material for melt deposition molding and a preparation method thereof. The propping material contains 100 parts of polyvinyl alcohol, 5-20 parts of acid, 5-20 parts of alkali, 25-40 parts of plasticizer, 0.1-2 parts of antioxidant and 0.1-10 parts of filler aid. The acid and alkali in the propping material can quickly react to generate gas when contacting water, so that the propping material can be disintegrated and pulverized, thereby accelerating the dissolution; and thus, the propping material can be completely removed within a short time (40 minutes). Meanwhile, the propping material can be removed without any strongly-acidic or strongly-alkaline water solution, can be quickly removed in common tap water, and thus, can not cause physical injury to the operating personnel. The added acid and alkali can enhance the mechanical properties of the propping material, and can further enhance the processability of the polyvinyl alcohol wire under the synergistic action of the plasticizer.

The invention, which belongs to the field of platinum group metal analysis and detection, discloses a method for accurately detecting contents of platinum, palladium and rhodium in a waste automobileexhaust catalyst. According to the invention, burdening, smelting trapping, ash blowing separation of metal bismuth and platinum, palladium and rhodium content detection are performed based on bismuthtest gold pyrometallurgy metal enrichment technological process and the process optimization is performed, so that problems of matrix interference and incapability of ash blowing in the traditional method are solved and a defect that platinum, palladium and rhodium in the waste automobile tail gas catalyst are difficult to effectively capture, separate and detect by adopting the existing method is overcome. Therefore, the recovery rate of platinum, palladium and rhodium is increased and the accurate detection of the contents of platinum, palladium and rhodium in the waste automobile tail gascatalyst is ensured.

The invention discloses an automatic welding machine, and belongs to the technical field of automatic welding. The automatic welding machine solves the technical problems that the labor intensity of workers is high and the production efficiency is low in the prior art. The automatic welding machine comprises a welding device and a working table provided with a rotary disc, and a plurality of fixtures for clamping workpieces are arranged on the rotary disc circumferentially at intervals; welding stations are arranged on the working table; and the automatic welding machine further comprises a first wire feeding mechanism and a scaling powder brushing mechanism which are arranged on the welding stations, the first wire feeding mechanism conveys welding wires to a workpiece which rotates to the fixture of the corresponding welding station, and the scaling powder brushing mechanism is used for brushing a scaling powder on the welding wires conveyed by the first wire feeding mechanism.

The invention discloses a blackboard, comprising a common blackboard surface, wherein a layer of extremely thin and hard transparent white glass is paved in front of the common blackboard surface, a layer of magnetic sand capable of being absorbed by a magnet penetrates into the part between the glass and the blackboard to be absorbed on the glass not tightly, the cartridge of a writing pen is a small magnet, and a pen eraser is a long rolling strip installed between the blackboard and the glass. The blackboard has the advantages that in the use process, no dust is generated, no harm is generated to bodies of users, and environmental pollution and resource waste are not produced.

The invention discloses an acid removal device. The acid removal device solves the problem that a solution in a digestion tube is evaporated or coked because of the negligence of an experimenter so that the experiment is failed. The acid removal device comprises multiple digestion tubes, a heater comprising a heating flat plate of which the upper surface is provided with multiple vertical heatingholes, a digestion tube support frame provided with digestion tube vertical guide sleeves corresponding to the multiple vertical heating holes, wherein the digestion tube vertical guide sleeves are located above the corresponding vertical heating holes, and multiple self-adaptive heating isolation devices which are corresponding to the vertical heating holes, wherein the self-adaptive heating isolation device comprises a guide slide block sliding in the vertical heating hole, a reset compression spring between the bottom surface of the vertical heating hole and the guide slide block, a thermalinsulation support plate for supporting the digestion tubes above the guide slide block and a connection rod connecting the guide slide block and the thermal insulation support plate.

The invention discloses an automatically alarming and interrupting device for a fluid infusion device. The automatically alarming and interrupting device comprises a connecting tube the two ends of which are in sealed connection with an fluid infusion bottle and an infusion catheter respectively, wherein the middle-part tube wall of the connecting tube is an elastic tube wall, and an elastic clamp is arranged on the elastic tube wall; the elastic clamp is connected with an alarm circuit, and two clamping arms of the elastic clamp are respectively provided with a power contact connected with the alarm circuit; an alarm, a circuit power supply, a circuit switch and an electromagnetic induction device are connected in series with the alarm circuit; and a cutoff device which is matched with an electromagnetic induction device to cut off fluid infusion is arranged on the lower part of the connecting tube. The automatically alarming and interrupting device for the fluid infusion device provided by the invention is simple in structure and convenient to use, and realizes the functions of alarming during fluid infusion and interrupting fluid infusion, can avoid the risk to a patient due to the fact that the infusion bottle is not timely replaced or fluid infusion is not stopped after completion of fluid infusion, and can also greatly reduce the work load of medical care personnel at the same time.

The invention relates to an intelligent exercise device for exercising leg muscles for the elderly, and belongs to the technical field of products for the elderly. Place the hip pad under the buttocks of the elderly lying on their backs, install the information storage processor and lithium-ion battery in the middle of the hip pad, install the right pressure sensor and the right counting display on the right part of the hip pad, and install the right pressure sensor in the right part of the hip pad. Right bungee cord and right pedal board are installed in the bottom of the bottom, left pressure sensor and left counter indicator are installed in the left part in the buttock pad, and left bungee cord and left pedal board are installed below the left pressure sensor. The elderly step on the right pedal with their right foot, and do stretching and flexing of their right leg; step on the left pedal with their left foot, and do stretching and flexing of their left leg. The stretching and flexing movement data of the leg muscles are converted into electrical signal information by the pressure sensor and input to the counting display and the information storage processor respectively, and are stored, calculated, analyzed and processed in the information storage processor, and the leg muscles are exercised through intelligent control a.

The invention discloses a preparation method for feed-grade copper citrate. The method comprises the following steps: (1) throwing citric acid and water into a reaction kettle to form a 20%-25% citricacid aqueous solution, and performing heating to the temperature of 80 DEG C-100 DEG C; (2) turning on a stirrer, slowly adding basic copper carbonate for a neutralization reaction according to the mass ratio of the citric acid to the basic copper carbonate of 1:(0.8-1) to form copper citrate, and adding a little amount of citric acid to control the pH value of a reaction solution to be 4-6, wherein a generated CO2 gas enters an absorption tank through a gas discharging opening to be absorbed; (3) filtering the generated copper citrate, performing concentration, performing cooling to a room temperature, putting the cooled material into a centrifugation machine, performing dehydration to obtain a copper citrate crystal, and discharging a separated waste liquid into a waste-liquid pond forrecycling; and (4) putting the obtained copper citrate crystal into a dryer, performing drying for 1-2h at the temperature condition of 100 DEG C-120 DEGC to remove some of crystal water to obtain a finished product of the feed-grade copper citrate. The product obtained by the method provided by the invention has a high yield, less impurities, and an environmentally-friendly production process.

The invention relates to a method for inducing the accumulation of stilbenes resveratrol, polydatin and pterostilbene in grape leaves, grape stems and grape fruits. The method comprises related methods for preparation of a hydrogen peroxide inducer, spraying treatment of in-vivo and in-vitro materials of grapes and impregnation treatment of the in-vitro materials of the grapes. According to the technical scheme, increase of stilbene content of the materials can be effectively, specifically and comprehensively induced, and the method has the characteristics of safety and convenience for large-scale application to township enterprises with rich grape resources, and is easy to operate. The quality of the grapes can be improved, grape planting waste can be comprehensively utilized, and grape trees can resist pathogenic bacteria to a certain extent to reduce loss caused by diseases.

The invention provides an electric telescopic tent for a vehicle. The electric telescopic tent comprises rainproof canvas, a shears-fork type movable support, an installing platform, a fixed support, a transmission steel wire rope, a tensioning mechanism, an electric device of the telescopic tent, a first guiding pulley, a second guiding pulley, a guide rail and a travel switch; one end of the transmission steel wire rope is fixed to a driving steel wire reel of a winding wheel, and the other end of the transmission steel wire rope sequentially bypasses the guiding pulleys and then is wound on a driven steel wire reel. By adopting the electric device, the transmission torque is large, the load is high, and the tent unfolding and folding time is greatly shortened.

An anti-collision height limiting rod comprises a table top, a height limiting rod, an ultrahigh detection device and a speed reduction brake device. The ultrahigh detection device, an LED display screen and an alarm are arranged at the top end of the height limiting rod, when the ultrahigh detection device detects that a vehicle is ultrahigh, the LED display screen displays ultrahigh reminding subtitles, and the alarm gives out an ultrahigh warning sound to remind a driver to decelerate and brake in time so that collision accidents are avoided; when the ultrahigh vehicle is detected not to brake in time and is about to impact the height limiting rod, a deceleration braking signal is immediately sent to a control device of the deceleration braking device, the control device automatically uses a hook of a braking hook to hook a front axle crossbeam of an automobile chassis, and the automobile drives the hook to move forwards under the action of an inertia force; and a buffer brake performs buffer braking on the hook through the brake pull rope so that the automobile decelerates, buffers and brakes, and physical injury to an automobile driver due to sudden braking is avoided.

The invention relates to the technical field of oral cavity detection, and discloses a see-through protective appliance for an oral cavity detector. The see-through protective appliance comprises an upper arc-shaped fixing block; the lower end of the upper arc-shaped fixing block is fixedly provided with a connecting plate; the lower end of the connecting plate is fixedly provided with a rectangular fixing block; the upper end of the rectangular fixing block and the lower end of the upper arc-shaped fixing block are fixedly installed; the lower end of the arc-shaped fixing block is provided with a connecting block; and the rectangular fixing block moves vertically in the connecting block. According to the see-through protective appliance for the oral cavity detector disclosed by the invention, a rotating gear is engaged with a rack to drive the rack to move upwards; the rack drives the rectangular fixing block to move upwards; the rectangular fixing block drives the connecting plate tomove upwards; the connecting plate props up the upper arc-shaped fixing block to move upwards, and the mouth is distracted by a lower arc-shaped fixing block and the upper arc-shaped fixing block, thus avoiding that a child often violently bites the hand of a doctor in the detection process due to incompliance of the child to cause physical injury to the doctor.

The invention belongs to the field of steel and iron manufacture, and particularly relates to a dry type strong magnetic screening device used for steel and iron manufacture. The technical problem tobe solved is to provide the dry type strong magnetic screening device used for steel and iron manufacture, wherein the dry type strong magnetic screening device is uniform in heat born by ore and highin ore screening work efficiency. The dry type strong magnetic screening device used for steel and iron manufacture comprises a fixed frame, a first collection frame, a first discharge hopper, secondcollection frames, guide inclined plates, scrapers, electromagnetic rollers, a second discharge hopper, an installation box, a spiral blade and the like. A treatment barrel is embedded in the top ofthe installation box. A bearing pedestal is embedded in the top of the treatment barrel. A hollow rotating rod is connected with the bearing pedestal in a pivoted manner. The spiral blade is fixedly connected to the outer surface of the hollow rotating rod and is located in the treatment barrel. A first gear is fixedly connected to the outer surface of the hollow rotating rod. By means of the drytype strong magnetic screening device, the effects that the ore is uniformly heated and the ore screening work efficiency is high are achieved.

The invention discloses a preparation method of environment-friendly polymeric isocyanate glue, which comprises the steps of photochemical reaction, high temperature scavenging and reduced pressure distillation. On the premise of not influencing product quality, ethyl acetate is selected as an organic solvent component, and the produced environment-friendly polymeric isocyanate glue can not only enhance the environmental protection performance of products, but also greatly improve the bond strength of the products.

The invention belongs to the technical field of formaldehyde removal, in particular to a formaldehyde removal solution and a support carrier thereof, a preparation method and a formaldehyde removal filter element. The formaldehyde removal solution and the support carrier thereof, As that amine substance, a cosolvent, a compound containing the active alpha hydrogen atom and a solvent are added intoa reaction kettle in a certain proportion to obtain the formaldehyde removal solution, and then the formaldehyde adsorbent is immersed into the formaldehyde removal solution to obtain a carrier loaded with the formaldehyde removal solution, wherein the formaldehyde removal solution adopts the principle of aldehyde-amine carboxylation reaction and realizes non-toxic and harmless treatment of formaldehyde by changing amine substance groups, and does not cause secondary environmental pollution; as compared with that traditional preparation method, the preparation process of the formaldehyde removal solution is non-toxic and harmless, does not cause physical damage to the user, and the formaldehyde removal efficiency and the stability are improved by about 30 percent.