116results about How to "Prevent retrograde" patented technology

A laparoscopic surgical technique is provided for preparing a site for implantation of a novel fusion device or implant. In accordance with one embodiment of the technique, a laparoscope is provided having an outer sleeve with distraction fingers at one end to distract the disc space. The laparoscope provides a sealed working channel to the disc space, through which the disc space is distracted, the vertebral endplates and surrounding disc is reamed, and the fusion device inserted. A distraction plug is provided for centering the outer sleeve and for providing midline distraction of the disc space. In one embodiment, a fusion device includes diverging bone screws passing through an end wall and upper and lower walls of the device to engage the adjacent vertebrae. In another embodiment, a connector plate is engaged to bilaterally position fusion devices to prevent rotation and resist expulsion of the devices from the disc space.

A rotation control device and a working machine therewith are provided, comprising a controller capable of setting target torque of a rotation motor in accordance with a speed deviation between target speed set in accordance with an operation amount of an operating lever and actual rotation speed, and an inverter for detecting necessary torque for rotating an upper rotating body, the necessary torque being changed in accordance with a working state of the upper rotating body. The controller calculates a correction amount which is increased as increasing the torque and subtracts the correction amount from the target speed so as to set new target speed. A controller sets first target torque for driving the motor and second target torque for maintaining the upper rotating body on the spot on the basis of the actual speed, and operates the motor in accordance with the torque which has a larger absolute value in the same direction as the first target torque among both the torque.

The invention relates to a process for cleaning the whole inner wall of a long pipeline for high-purity gas. The process includes the following steps that (1), present situation investigation and processing are carried out on the pipeline; (2), rust removal and dedusting cleaning processing is carried out on the inner wall of the pipeline, wherein a leather cup steel brush pipe cleaner and a foam pipe cleaner are pushed through oil-free compressed air to rapidly move in a laid long-distance pipeline in one direction so as to push quantities of residues and other impurities in the long-distance pipeline out of the pipeline; (3), drying processing is conducted on the inner wall of the pipeline, wherein a large-scale compressor and a gas storage tank accumulator are utilized to purge a pipeline system; (4) protection is conducted on a finished pipeline. The process for cleaning the whole inner wall of the long pipeline for high-purity gas is reasonable in design, easy and convenient to operate and especially applied to processing the inner wall of the pipeline for high-purity gas. By the adoption of the process, the construction progress can be quickened, construction quality can be improved, manual operation can be reduced, construction cost can be saved, and efficiency of construction operation is effectively improved.

The invention discloses bread improver containing soluble soybean polysaccharide, which comprises the soluble soybean polysaccharide, oxidant, enzyme preparation, emulsifier and a filler, wherein the oxidant is L-ascorbic acid; the enzyme preparation is alpha-amylase, maltogenic amylase, lipase, pentopan, cellulase and glucose oxidase; the emulsifier is sodium stearyl lactate, calcium stearyl lactylate and diacetyl tartaric acid monoglyceride; and the filler is corn starch. The invention further discloses a preparation method and application of the bread improver. The bread improver can remarkably improve the bread taste, and can prolong the bread quality time.

The invention discloses a safety braking method of an automatic escalator, which is characterized by comprising the following steps of: adopting a sensor to detect the abnormal condition of the automatic escalator and / or passengers, transmitting feedback signals of the sensor to a control cabinet to cut off a power supply of a motor for braking, and carrying out locked braking on a chain wheel connected with the motor. In the invention, a double-braking mode is adopted for the occurring abnormal condition of the automatic escalator and the passengers, so that the inverse operation of the escalator is avoided and the safety of the passengers is ensured.

The invention discloses corn bread flour which is prepared by mixing pure corn flour, frozen corn flour, puffed corn flour, raw soybean flour, glutelin flour, sodium carboxymethylcellulose, sodium pyrophosphate and yeast at a mass ratio of (25-35): (15-25): (5-15): (5-15): (25-35): (0.08-0.12): (0.02-0.03): (0.01-0.03). The bread prepared from the bread flour has soft and delicate mouthfeel, golden color and rich corn flavor; and in the processing, the bread can be steamed or baked after short time of fermentation.

The invention relates to a non-Newtonian fluid speed limiter. The non-Newtonian fluid speed limiter comprises multiple non-Newtonian fluid speed limiter bodies arranged in a groove, a pressing rod inseries connection with bottom ends of multiple pressure pushing rods and two cover plates buckled on an opening of the groove; one sides of the cover plates are hinged to the top edge of the groove, hook tongue plates are arranged on the other sides of the cover plates at intervals, the hook tongue plates of the two cover plates are embedded in a staggered manner, the hook tongue plates of the twocover plates extend reversely to form a pressure groove hole in a defined manner, and a pressing rod is embedded in the pressure groove hole. According to the speed limiter, through limiting of the descending speed of the cover plates, barrier of wheels can be achieved, the action that the wheels press the cover plates downwards can be transmitted by the pressure push rods, once the flow speed ofnon-Newtonian fluid is too fast, a resistance plate can be stopped, the flow speed and the flow of the non-Newtonian fluid are limited, descending of a thrust plug is limited, the descending speed ofthe cover plates can be limited, and the speed limiting effect is achieved. When the vehicle speed is not fast, the non-Newtonian fluid smoothly passes through the resistance plate, the cover platesare perpendicular to the road face, and a car can smoothly pass through a speed reduction belt.

The invention discloses a BRT rapid public transportation system gate safety passage management system and a method. The system comprises fee charging area outbound gates and non-fee charging area inbound gates. Output of a passenger outbound monitoring unit is connected with a signal processing module. The outputs of the signal processing module and a card reader are respectively connected with a master control unit. The output of the master control unit is respectively connected with a displayer, an alarm device, an indicating lamp and a door driving unit. The master control unit is also connected with a fee charging module, a timer and a single ticket recycling module respectively. The output of a passenger inbound monitoring unit is connected with the signal processing module. The outputs of the signal processing module and a ticket card reading module are respectively connected with the master control unit. The output of the master control unit is respectively connected with the displayer, the alarm device, the indicating lamp and the door driving module. Various passage behaviors and states of passengers can be detected and identified so that the behaviors of intrusion, following, retrograding and staying of the passengers in gate channels can be effectively avoided and identified.

A user-oriented waiting system disclosed in the invention comprises mobile terminals, an industrial computer, an infrared sensor, a queuing channel, a waiting zone entrance limiting unit, a waiting zone isolation unit and a far-end exit counting device; the mobile terminals are in wireless communication connection with the industrial computer, and the infrared sensor and the far-end exit counting device are in communication connection with the industrial computer respectively; all isolation plates sequentially divide the channel into a first waiting zone, a second waiting zone and a third waiting zone from the exit to the entrance, and an extended function zone is arranged at one side of the second waiting zone; and the waiting zone entrance limiting unit includes a first gate, a second gate, a third gate and a fourth gate. The user-oriented waiting system and a control method thereof have the advantages of reasonable arrangement of current limiting, prevention of long-time unsuccessful passing through the waiting zones, prevention of obstruction of the waiting zones, smoothness in passing, high passing efficiency, and shortening of the user's waiting time.

An enhanced immersion cooling device with a diversion function comprises a sealed casing, a deflector and an insulating working medium arranged in the casing, wherein the air deflector is vertically arranged in the shell, the air deflector is an ascending channel of the insulating working substance and a return channel of the insulating working substance is formed between the adjacent air deflector, the cold source and the heat source are respectively located above and below the shell, and the insulating working substance flows through the ascending channel and the return channel in the shellto form a directional circulation of an enclosed space. The directional cycle of the invention can enhance the liquid supply flow of the heat source, enhance heat exchange, and delay the appearance ofthe critical heat flux. The upward gas column or liquid column and downward liquid in different channels can effectively avoid gas-liquid retrogression, that is, the phenomenon of ascending bubbles entrapping downward liquid in the process of violent boiling does not occur, which reduces most of the flow resistance and is also conducive to the heat transfer of the device.

The present invention provides a ratchet-type tensioner, capable of preventing dithering sound from reducing due to backlash of a plunger to a timing chain when an engine is started after being placed for a long time, and not limiting action of the plunger in a back direction due to excess chain strain after starting the engine so as to prevent the plunger from fusion. In the ratchet-type tensioner (100), a force (Fs) of a spring (160) for a ratchet to applied to a toothed ratchet (122) on a side face of the plunger by a piston (150) which has a ratchet and slides in a direction transverse to the direction of plunger movement, is configured to be greater than a component (f1) of forces generated by a reaction force (F1) in a sliding direction of the piston (150) when the engine is started, and is configured to be less than a component (f2) of forces generated due to excess chain strain in the sliding direction of the piston (150) after the engine is started.

The invention discloses a processing technique of freeze-dried instant porridge.The processing technique includes: cleaning, draining, freezing, boiling, dishing and freeze-drying raw material rice, and particularly includes: cleaning, draining and framing the raw material rice, controlling thickness to 18-22 cm, and placing at minus 15-minus 20 DEG C for freezing for 6-8 h; mixing the raw material rice after being frozen with water proportionally, adding vitamin E, and boiling for 30-35 min to obtain a semi-finished product; cooling; slowly freezing, quickly freezing, and freeze-drying to obtain the freeze-dried instant porridge.The freeze-fried instant porridge prepared by the processing technique is high in rehydration capability, rice-shaped and good in chewability, can present natural viscosity of rice porridge without softness and mushiness and is moderate in taste, boiling and processing time is shortened, retrogradation of the instant porridge can be well inhibited, rice-water separation can be prevented, and good quality can be maintained during a quality guarantee period.The freeze-dried instant porridge is healthy food which is convenient, nutrient and suitable for people of all ages, and is suitable for processing, production, popularization and eating.

The invention discloses a novel vaginal irrigator used for gynecology. The irrigator includes a cannula, four rubber rings are axially distributed on the outer side surface of the cannula, the parts,located between adjacent rubber rings, of the side surface of the cannula are provided with spray holes, and the part, corresponding to each rubber ring, of the inner side surface of the cannula is provided with a supporting rod; and the upper end surface of the cannula is provided with a round head, and the opening position of the lower end surface of the cannula is provided with an end cap. According to the novel vaginal irrigator, the outer side of the cannula is connected with the rubber rings, the rubber rings can be folded relative to the cannula, when the rubber rings are shrunk, the overall diameter is reduced, so that the cannula can be conveniently inserted into a vagina; when the rubber rings are expanded, the cannula and a vaginal wall form a supporting cavity, so that a cleaning liquid can conveniently make full contact with the vaginal wall; at the same time, the rubber rings can prevent the cleaning liquid from retrograding, so that unnecessary infection of a uterine cavity can be reduced; a liquid discharge pipe can collect wastewater, so that the wastewater can be conveniently subjected to unified treatment, and cross infection can be avoided; and the positions ofpress sheets can be controlled by a movable shaft, so that the irrigator is convenient to operate, and the cleaning efficiency is improved.

The invention discloses a hydraulic oil piston type natural gas sub-station compressor, which comprises a high-pressure oil pump (1), a pressure control valve (2), a pressure oil tank (3), a hydraulic reverse valve (4), a flow sensor (5), a bridge type valve bank (6), a gas compression cylinder tank group, a pressure sensor (9), a pressure relay (10), a high pressure gas storage cylinder (11), an automatic control system (12) and the like. The hydraulic oil piston type natural gas sub-station compressor can be abutted with a general natural gas transportation tanker without using a mechanical piston or a gas cylinder; and pressurized compression of natural gas is finished by using a circulating manner that pressure energy for air inlet of the natural gas and driving kinetic energy of a hydraulic system are alternatively subjected to air inlet, compression, high-pressure exhaust and switch in the gas compression tank. The natural gas sub-station compressor has the advantages of energy saving, environment friendliness, no friction, leakage or noise, slowness in temperature rise, high work efficiency and the like.

The invention provides an access control system, a control method thereof and electronic equipment. The control method of the access control system comprises the steps of area range acquisition, userdiscovery, gate opening control, passage detection and gate closing control. The access control system comprises the electronic equipment, the electronic equipment comprises a processor, and a computer program corresponding to an executable program code is operated by reading the executable program code so as to execute at least one step in the access control system control method. The length of agate channel can be effectively shortened, so that space is saved; and the position of a user in the channel is judged through the camera, so that hardware cost and operation cost are reduced.

The invention belongs to the field of valves and particularly relates to a hydraulic cast steel sluice valve. The hydraulic cast steel sluice valve is characterized in that a first sealing ring is installed on the position, making contact with a valve body, of one side of a flashboard, a second ring is installed on the position, making contact with the valve body, of the other side of the flashboard, and a third sealing ring is installed on the position, making contact with the valve body, of the bottom of the flashboard; a valve cover is fixed at the top of the valve body, and a hydraulic cylinder is fixed to the valve cover; one end of a valve rod is connected with the hydraulic cylinder, and the other end of the valve rod is connected with the upper end of the flashboard; a first oil filling port leading towards the valve rod is formed in one side of the valve body, and a second oil filling port leading towards the valve rod is formed in the other side of the valve body; the upper end of a non-return plate is installed on a rotary shaft, one end of a spring is connected with the middle of the non-return plate, and the other end of the spring is fixed to the inner wall, corresponding to the non-return plate, of a fluid inlet; and a filter net is fixed to the interior of a fluid outlet and pressed through a pressing sleeve.

The invention discloses a speed reducing device for preventing traveling in the reverse direction. The speed reducing device comprises a deceleration strip, two rotating frames are symmetrically and fixedly connected to the inner side of the deceleration strip, a first rotating shaft is connected between the two rotating frames in a rotating mode, and a rotating lever is fixedly connected to the first rotating shaft. The first rotating shaft penetrates through the rotating lever, and a rubber block abuts against one end of the rotating lever. The upper end of the rubber block is fixedly connected with a pressing rod, the upper end of the pressing rod penetrates through the inner wall of the deceleration strip and is fixedly connected with a pressing plate, and the vertical height of the pressing plate and the deceleration strip is one third of the height of a normal wheel. The other end of the rotating lever is fixedly connected with a supporting seat, and an impact plate is arranged at the upper end of the supporting seat in an abutting mode. The speed reducing device has the advantages that vehicles can be effectively prevented from travelling reversely, simple punishment is onlycarried out on vehicles traveling reversely, other normal running vehicles and other public equipment or pedestrians around the vehicles cannot be threatened, and the effect of preventing traveling in the reverse direction is effectively improved.

The present invention discloses coarse grain bread flour and a production method thereof. The coarse grain bread flour is prepared by blending the following raw materials in parts by weight: 25-35 parts of sorghum flour, 35-50 parts of buckwheat flour, 5-15 parts of black rice, 5-15 parts of corn flour, 15-25 parts of sorghum puffed flour, 10-15 parts of soybean meal, 1-3 parts of walnut kernels, 1-2 parts of Chinese wolfberry fruits, 1-3 parts of pine nut kernels, 0.8-1.2 parts of wheat gluten, 0.05-0.08 part of sodium carboxymethyl cellulose, 0.02-0.03 part of sodium pyrophosphate, 0.01-0.02 part of yeast and 0.5-0.8 part of artemisia carvifolia. The coarse grain bread flour is prepared by mixing all the nutrients in coarse grains and has advantages of being more comprehensive in nutrition and more delicate in consumption mouthfeel. The Chinese wolfberry fruits, walnut kernels and other ingredients are added into the traditional coarse grain ingredients, so that nutrient proportioning is optimized and the bread flour has efficacies of improving organism immunity, nourishing liver and kidneys, preventing aging, etc.

The invention provides a red glutinous rice filling and a making technology thereof. The red glutinous rice filling comprises the following raw materials of 50-60 parts of red glutinous rice, 300-400parts of black rice, 1000-1200 parts of water, 400-500 parts of trehalose, 100-120 parts of glucose, 15-17 parts of moisturizing powder, 4-5 parts of citric acid, 2-3 parts of walnut powder, 4-5 partsof purple sweet potato powder, 20-25 parts of glycerine, 20-22 parts of cassava modified starch, 100-150 parts of white granulated sugar, 1-2 parts of potassium sorbate and 3-5 parts of sodium dehydroacetate. Compared with the prior art, the prepared filling is rich in purple color, is richer in rice fragrance, softer, more glutinous, more tasteful, more chewy, and richer in mouth feel. Under thecondition of sealed storage, the quality guarantee period of finished products is about 3 months. The red glutinous rice filling is rich in nutrition, can promote human bodies to absorb protein and trace elements, and has a certain health-care value.

The invention discloses a dust retrograde preventable type sand making machine and solves the problems that serious environmental pollution is caused and body health of a worker is affected by the fact that a large amount of raised dust is produced in sand production process of the conventional sand making machine. The dust retrograde preventable type sand making machine is technically characterized by comprising a machine body, a feed hopper arranged at the top of the machine body and a discharge port formed in the bottom of the machine body, wherein a breaking mechanism is arranged in the machine body; the lower part of the discharge port is connected with a discharge funnel through a connecting sleeve II; the end, away from the connecting sleeve II, of the discharge funnel is connectedwith a discharge pipe through a connecting sleeve I; a V-shaped deflection baffle is arranged on the inner wall of the discharge pipe. According to the dust retrograde preventable type sand making machine, the deflection baffle is arranged and can prevent secondary raised dust caused by dust retrograde; a closed cavity is formed among the discharge funnel, the discharge port and the discharge pipe, so that the raised dust produced in breaking and material conveying processes is eliminated effectively, environmental quality of a production place is improved, and influence of the dust on body health of the worker is prevented.

The present invention relates to a Chinese evergreenchinkapin seed soft can and a processing method thereof. The method comprises steps of: peeling fresh Chinese evergreenchinkapin seed; using kernel of the Chinese evergreenchinkapin seed with inner coat removed as a raw material; employing reduced pressure infiltration to protect color; vacuumizing and carrying out ultra high pressure modification treatment; and cooking and cooling to obtain a finished product. The method provided by the invention realizes penetration of a protective color liquid into the Chinese evergreenchinkapin seed kernel, and effectively avoids a browning phenomenon during the processing procedure and the shelf period; ultra high pressure modification prevents the product from turning back to a raw state, and has advantages of simple processing technology, and beautiful color, good flavor, and premium taste of the product.

The invention relates to a preparation method of a thermoplastic fully-degradable corn starch matrix, which comprises the following steps: carrying out micro-pulverization on corn starch, and adding water until the water content of the corn starch reaches 20%; mixing the corn starch (of which the water content is 20%), citric acid and glycerol in a mass ratio of 1:0.4:0.3, and evenly stirring at high speed; carrying out esterification reaction on the mixture to obtain a viscous esterified substance; and flushing the esterified substance with water twice, drying and pulverizing to obtain the light yellow powdery thermoplastic fully-degradable corn starch matrix. The particle size of the corn starch is made small by micro-pulverization, and the corn starch sufficiently contacts with the modifiers; since the actions of heat and shearing force on the particles are relatively obvious and sufficient, the temperature during reaction can be easily reached and controlled, thereby shortening the reaction time; the special phenomenon of partial esterification appears in the reaction process, so the anabiosis can be prevented, thereby facilitating long-term storage of the corn starch matrix. The modifiers used in the invention are innoxious and fully-degradable, thereby widening the application range of the corn starch matrix.

The invention provides purple sticky rice braciola and a manufacturing method thereof. The manufacturing method comprises the following steps: 1) mincing meat to obtain meat paste and pickling the same; 2) after mixing purples sticky rice with sorghum rice, adding water, lard and sucrose ester to be stirred and mixed uniformly, cooking the mixture to obtain mixed rice, and cooling the rice; and 3)paving the meat paste pickled in the step 1), then paving the steamed mixed rice in the step 2) on the meat paste, compacting the mixture, rolling the mixture, wrapping and fixing the mixture, and steaming the mixture to obtain the purple sticky rice braciola. Compared with the prior art, by mixing sorghum rice to the purple sticky rice, the taste is improved and the purple sticky rice braciola is moderate in softness; by adding lard, the taste of the purple sticky rice is improved, and the sticky rice is more chewy, and better in taste. The sucrose ester plays roles of preventing aging of starch and back to immaturity. By adding shitake mushroom powder into a cure, a seasoning effect is exerted, and human body is promoted to absorb calcium and other trace elements rich in meat and purplerice, so that the purple sticky rice braciola has a health-care effect.

The invention discloses a road speed bump which comprises a speed bump board and further comprises a fixed supporting board, supporting rods, dampers and an electric generator. The speed bump board islocated above the fixed supporting board. The lower ends of the supporting rods are fixed to the fixed supporting board. The upper ends of the supporting rods are hinged to the lower portion of the speed bump board. The lower ends of the dampers are hinged to the fixed supporting board. The upper ends of the dampers are hinged to the lower portion of the speed bump board. The movable parts of thedampers are connected with the electric generator to drive the electric generator. An energy recovery device comprises a battery and the road speed bump. The electric generator is connected with thebattery. The passing speed of a vehicle can be controlled, and energy recovery can be achieved.

A strap guiding device for a garden strapping machine, in which a convex rib (206c) is formed on the top plate of a strap guide rail arranged on a driving handle of the garden strapping machine, and two leaf springs (224a, 224b) are installed on the bottom plate . Make the plate spring (224a) on the downstream side elastically contact the convex rib (206c) and clamp the strap (T) by the plate spring (224a) and the convex rib (206c), make the plate spring (224b) on the upstream side and the binding with contact. Once the strap roll is reversed and the strap is pulled back, tension will be generated on the strap between the convex rib (206c) and the strap roll, and the leaf spring (224b) on the upstream side will rise due to the friction of the strap. The belt path is curved to increase the frictional resistance of the strapping, so as to prevent the retrograde movement of the strapping (T).

A device for preventing a vehicle from running reversely comprises a frame board fixed to the ground, one side of the frame board is movably connected with one side of a movable board, the other side of the movable board is movably connected with one end of a rotating arm, the other end of the rotating arm is connected with a guide wheel shaft, the two ends of the guide wheel shaft are movably installed on the frame board, and a spring is installed between the guide wheel shaft and the frame board. The device for preventing the vehicle from running reversely is installed on a one-way street of medium and small indoor parking lot, and thus the vehicle is prevented from running reversely. The device can not make contact with a chassis of the vehicle or other structures, and the vehicle can not be damaged.

The present invention relates to the field of municipalities, in particular to a cleaning device for a municipal guardrail, which includes the vehicle body, cleaning and spraying devices, A load-bearing cabinet is arranged on that vehicle body, the water spraying device is located at the top of the load-bearing cabinet; the water spraying device comprises a water storage member, a spray assembly and a swing assembly; the water storage member is located at the rear end of the water spraying assembly and a water pump is arranged between the water storage assembly and the water spraying assembly;the swing assembly is installed on the water spraying assembly; the cleaning device comprises a mounting bracket, a first cleaning assembly, a second cleaning assembly and an angle adjusting member fixedly; the mounting bracket is connected with the load-bearing cabinet, the first cleaning assembly being positioned at the front end of the mounting bracket and hinged with the mounting bracket, theangle adjusting member being fixedly installed at the front end of the mounting bracket, and the second cleaning assembly being positioned at the bottom of the mounting bracket and slidably engaged with the mounting bracket. The invention has the beneficial effect that the first cleaning assembly and the second cleaning assembly simultaneously work to clean the guardrail so as to avoid the vehicle body retrograde.

A device for preventing a vehicle from running reversely comprises a frame board fixed to the ground, one side of the frame board is movably connected with one side of a movable board, the other side of the movable board is movably connected with one end of a rotating arm, the other end of the rotating arm is connected with a guide wheel shaft, the two ends of the guide wheel shaft are movably installed on the frame board, and a spring is installed between the guide wheel shaft and the frame board. The device for preventing the vehicle from running reversely is installed on a one-way street of medium and small indoor parking lot, and thus the vehicle is prevented from running reversely. The device can not make contact with a chassis of the vehicle or other structures, and the vehicle can not be damaged.