37results about How to "Shock won't" patented technology

This invention relates to a thyristor trigger control method for dynamic reactive compensation characterizing in collecting voltage U1 at both ends of a reversed parallel thyristor and voltage U2 at both ends of the thyristor and a capacitor to take U1 and U2 as the base to determine the throw-in time of the entire capacitor branch, in which, U1 is the voltage at both ends of the thyristor and U2 is the sum of the voltage of thethyristor and the capacitor, when the thyristor is not turned on, U2 is equal to the system voltage US, U1 is equal to the system voltage deducting the residual voltage of the capacitor, when it is smaller than the peak value of the US and U1 has over-zero point, then the point is taken as the trigger time of the thyristor.

The invention discloses a frequency-conversion soft starter. The on-off sequence of breakers is controlled by a controller so that a frequency converter can start two motors at different time, and after one motor is started, the corresponding frequency converter bypass can be switched on. Thus, the frequency-conversion soft starter can be stably switched to a power-frequency power source without current impact after starting is finished, the starting current can be effectively reduced, ships cannot be impacted, and the frequency-conversion soft starter has obvious advantages in the aspects of structures and control. In addition, it is not needed to equip frequency converters for all the motors, and therefore the manufacturing cost of the ships is saved.

The present invention provides a cooking utensil. The cooking utensil comprises a pot body and a pot cover; the pot body comprises an outer pot and an inner container placed in the outer pot; the upper half zone of the inner container is provided with a rice soup collector; the rice soup collector is internally provided with a collecting cavity for collecting rice soup; the lower half zone of theinner container forms a rice cooking cavity; anopening of the rice soup collector is provided with a flange; the side wall of the rice soup collector is provided with a plurality of through holes; thethrough holes extend from the side wall of the rice soup collector to the flange; the collecting cavity is in communicationwith the rice cooking cavity via the through holes; and the length of the through holes in the height direction of the side wall is larger than the length of the through holes in the outward extending direction of the flange. According to the technical scheme of the present invention, the through holes are arranged in the side wall of the rice soup collector, the through holes extend to the flange of the rice soup collector, and the length of the through holes in the height direction of the side wall is larger than the length of the through holes in the outward extending direction of the flange, so that the amount of soup in the rice soup collector is effectively improved, and the effect of lowering the sugar is better.

The invention discloses a novel sedimentation pool for a sewage plant. The novel sedimentation pool comprises a pool body, a water inlet pipe, a water distribution unit, a biological filling materialunit, a mud scraping device, a gas recovery device and a water outlet pipe, wherein the water distribution unit, the biological filling material unit, the mud scraping device, the gas recovery deviceand the water outlet pipe are arranged in the pool body; the mud scraping device comprises a mud scraping rod arranged at the bottom surface of the pool body, a driving rod fixedly connected with themud scraping rod, a rotating driving element used for driving the driving rod to rotate and a second driving element used for driving the driving rod to vertically act; the water distribution unit comprises a center pipe, a plurality of water distribution pipes and spray heads arranged on the water distribution pipe; the biological filling material unit comprises a first filling material assembly;the first filling material assembly comprises a fixing sleeve, a plurality of filling material frames and a biological filling material; the filling material frames are distributed at intervals in the peripheral direction of the fixing sleeve; the biological filling material is arranged on the filling material frame. The sewage is in sufficient contact with the biological filling; the biologicalfilling has a good anaerobic digestion treatment effect on the sewage; the sewage deposition quantity is reduced; the frequent mud scraping operation is not needed; the energy is saved; the environment is protected; the abrasion of the mud scraping component is small; the service life is long.

The invention belongs to the technical field of parking equipment, and relates to a mechanical three-dimensional parking garage. The problems that an existing parking garage cannot meet the requirements that vehicle parking and charging at the same time, or the parking and taking efficiency is low, and the vehicle has great impact on a lifter are solved. The garage comprises a garage control system and a plurality of parking units. The parking units are of floor structures. Each floor above a second floor comprises a conveyor and two rows of parallel parking spaces. The conveyor is located ina lane between the two rows of parking spaces. The layout of a first floor is the same as that of the second floor, or is a plane parking space. Each parking unit further comprises lifters, vehicle-carrying boards and a vehicle entrance and exit, wherein the lifters are arranged in each row of parking spaces; the number of the vehicle-carrying boards is equal to the number of parking spaces; and the vehicle entrance and exit are arranged at the position of the lifter on the first floor. The conveyor comprises a frame, a walking device and a parking and taking device, wherein the walking deviceenables the conveyor to move in the length direction of the lane, and the parking and taking device is used for carrying the vehicle-carrying boards and the vehicles. Charging mother parts are arranged on the parking spaces, charging son parts are arranged on the vehicle-carrying boards, the charging son parts are connected with charging guns; and a pit is arranged under the lifter, and supporting columns of the vehicle-carrying boards are arranged in the pit.

The invention discloses a low-vibration energy-saving air distribution camshaft of an engine of a motor vehicle, and relates to an air distribution camshaft of an internal combustion engine of a motor vehicle. The camshaft is used for the engine of the motor vehicle. The camshaft overcomes the defects of high air valve switching vibration and high noise caused by unsmooth entrance in the air valve switching process due to the variable acceleration rotation of a crankshaft. The camshaft comprises a shaft body, an air distribution cam and a power transmission wheel; the air distribution cam and the power transmission wheel are fixed on the shaft body and coaxially rotate with the shaft body; the camshaft also comprises an eccentric disc body; the eccentric disc body is arranged on the shaft body, and the surface of the eccentric disc body is vertical to the shaft body; and in the circumference direction of the shaft body, the connecting line of the mass center of the eccentric disc body and the shaft body deviates from the connecting line of the mass center of the air distribution cam and the shaft body. The tension of an air valve spring can be adjusted to be better moderate so as to facilitate the reduction of power consumption of the engine and achieve the effects of saving oil, balancing the impact force of the crankshaft, reducing the vibration of the engine and improving the output torque and power.

The invention discloses an alternate plug flow aerobic biological fluidized bed reactor which comprises a reaction tank, wherein the interior of the reaction tank is divided into a settling zone A and a settling zone B propped against two side walls, a multifunctional zone A close to the settling zone A, a multifunctional zone B close to the settling zone B, and an aerobic fluidized bed reaction zone between the multifunctional zone A and the multifunctional zone B; aerating systems are arranged at the bottoms of the interiors of the multifunctional zone A and the multifunctional zone B; water distribution systems are arranged at the tops of the interiors of the multifunctional zone A and the multifunctional zone B; another aerating system is arranged at the bottom of the aerobic fluidized bed reaction zone, and a biocarrier loaded with aerobic bacteria is distributed in the aerobic fluidized bed reaction zone; a mud guard wall and fenders are arranged in each of the settling zone A and the settling zone B; a water outlet is formed in the bottom of each of the settling zone A and the settling zone B. The alternate plug flow aerobic biological fluidized bed reactor increases the contact area between microorganism and waste water, and is excellent in treatment effect, small in occupied area and low in energy consumption.

The invention discloses an anti-impact elevator car ceiling guardrail. The anti-impact elevator car ceiling guardrail comprises U-shaped horizontal guard bars. The guard bars are connected with standcolumns fixed to a car ceiling. A buffer device is arranged at the joint of every two guard bars. Each buffer device comprises two resisting arms and a limiting box. Each resisting arm comprises an arc-shaped strip with the T-shaped cross section, the end of the arc-shaped strip is provided with a sliding sleeve arranged on one side guard bar or the rear guard bar in a sleeving mode, and the arc-shaped strip is provided with a rack. Each limiting box is provided with an arc-shaped groove in sliding fit with the corresponding arc-shaped strip. Each limiting box is internally provided with a gear matched with the corresponding racks. A clockwork spring is arranged at the junction between each gear and the corresponding limiting box. The anti-impact elevator car ceiling guardrail has the characteristics of being high in structural strength and good in impact resistance. Besides, the anti-impact elevator car ceiling guardrail is concise and stable in structure, simple in manufacturing process and low in cost.

The invention discloses a swirler airflow test tool holddown gear comprising a tool mount body with a disc structure; the middle of the tool mount body is provided with a cavity used for mounting thetest tool; a seal pad is arranged in the cavity; the tool mount body is connected with a cylinder bearer through a plurality of poles; a cylinder is arranged on the cylinder bearer; a compact cavity is arranged between the plurality of poles, and arranged right above tool mount body cavity; a control circuit controlling the cylinder to open/close is provided, and comprises a compact switch controlling the cylinder to move downwards, and a first solenoid valve connected with the compact switch; the control circuit also comprises a loose switch used for controlling the cylinder to move upwards,and a second solenoid valve connected with the loose switch; the first and second solenoid valves are respectively connected with the air inlet of the cylinder through a cylinder current limiter; thedevice is reliable in sealing, can conveniently and fast clamp the test tool, and safe and reliable, thus preventing the experiment data inaccurate problems caused by gas leakage.

The invention discloses a garlic mashing device belonging to the field of kitchen utensils. The garlic mashing device is composed of a bearing device, a movement mechanism, a control part, a power device and a storage device. A mechanical structure is controlled to complete a mashed garlic making operation by an electric actuator, the manual labor is replaced, and the efficiency is improved; by adopting a rocker-slider mechanism, garlic flakes can be smashed twice in an operating stroke, and the motion frequency is high, so that the whole device has high working efficiency; a stepping motor serves as a drive motor and is electrically connected with a single chip microcomputer, so that the positive and negative rotation and swing angle of the crank can be accurately controlled; and the rocker and the chute are indirectly connected by a roller, the roller is matched with the rocker chute, and the inner diameter of the roller is larger than that of a rocker shaft III, so that friction between the rocker and the rocker chute can be reduced, and the conversion of efficiency is efficiently realized.

The invention relates to a dusty flue gas conveying reversing pipeline and a dry desulfurization system. The dusty flue gas conveying reversing pipeline comprises a front side flue and a rear side flue; smoke flows into the rear side flue from the front side flue to achieve reversing of the flow direction, a flow guide piece is arranged on the inner wall of the outer side of the front side flue and/or the inner wall of the outer side of the rear side flue and provided with a flow guide face, and the flow guide face extends from the inner wall of the outer side of the flue to the middle of theflue in the flow direction of the dusty smoke to guide the middle of the flue. Under the guidance of the flow guide part, dust-containing flue gas flows along a path close to the inner side of the pipeline, and the flow speed of the flue gas close to the middle of the flue is higher than that of the flue gas at the inner wall of the outer side of the flue, so that dust in the flue gas can be takenaway by the flue gas, and the dust in the flue gas is prevented from being accumulated at the corner of the flue or the downstream of the corner.

The invention provides a connecting structure used for connecting a high-pressure pipeline and a low-pressure pipeline. The connecting structure comprises a low-pressure side connecting piece connected with the low-pressure pipeline and a high-pressure side connecting piece connected with the low-pressure side connecting piece. The high-pressure pipeline penetrates through the high-pressure side connecting piece and the low-pressure side connecting piece. A cavity is formed among the low-pressure side connecting piece, the high-pressure pipeline and the high-pressure side connecting piece, and filler is contained in the cavity. According to the connecting structure, welding-free sealed type connection between the high-pressure pipeline and the low-pressure pipeline is achieved, the connecting structure can bear large impact force, and therefore the connecting pieces and the low-pressure pipeline cannot be damaged, and the service life of the connecting pieces and the service life of the low-pressure pipeline are prolonged. In addition, the connecting structure is simple in structure, convenient to install, easy to maintain and low in investment cost. In addition, the invention also provides an EVA production device using the connecting structure.

The invention discloses an immersion nozzle for casting a central point of an ultrathin special-shaped blank, and belongs to the technical field of continuous casting of special-shaped blanks. The immersion nozzle comprises an immersion nozzle body, wherein the immersion nozzle body comprises a vertical section and a horizontal section, the vertical section and the central position of the horizontal section are integrally connected, the vertical section comprises a bowl part and an equal-diameter section, the bowl part is positioned at the upper end of the equal-diameter section, the inner cross section of the equal-diameter section is oval, and the long axis of the oval cross section is parallel to the central line of the horizontal section; the inner diameters of the horizontal section are equal and are symmetrical about the symmetrical surface of the vertical section, the shape of the inner vertical section is elliptic, the elliptic section is parallel to the central line of the vertical section, and through holes are arranged at the two ends of the horizontal section; and at least two downward inclined water holes are symmetrically arranged at the bottom end of the horizontal section. The structure of the immersion nozzle can be optimized, the temperature field and the flow field in the mold are stable, the flowing uniformity of molten steel is improved, the defects causedby continuous casting are reduced, the quality of ultra-thin special-shaped blank continuous casting is improved, and the immersion nozzle has the advantages of simple structure, reasonable design andeasiness in manufacturing.

The invention provides an exhaust bypass device for protecting an engine turbocharger and belongs to the technical field of engine turbocharger parts. One end of a main channel (2) of a device shell body (1) of the exhaust bypass device for protecting the engine turbocharger communicates with an exhaust manifold, and the other end of the main channel (2) communicates with a supercharger; a by-passpipeline (3) communicates with an exhaust tail pipe; a driving valve (5) is arranged on an executing rod I (4) in the main channel (2); a driven valve (7) is arranged on an executing rod II (6) in the by-pass pipeline (3); the executing rod I (4) is connected with a driving motor I (8); and the executing rod II (6) is connected with a driving motor II (9). According to the exhaust bypass device for protecting the engine turbocharger, the structure is simple, circulating paths for exhaust gas entering the turbocharger can be switched conveniently and reliably in different working conditions, the supercharger system can be protected from being affected by particle impact, and the service life of the supercharger is prolonged.

The invention discloses a sealing structure of a cylindrical roller. The sealing structure comprises an outer ring, an inner ring and double rows of rollers, the double rows of rollers are arranged between the outer ring and the inner ring in a rolling mode, the two ends of the outer circumferential wall of the inner ring protrude towards the inner circumferential wall of the outer ring to form baffle rings, the end surfaces of the baffle rings are in clearance fit with the inner circumferential wall of the outer ring, annular grooves are formed in the end surfaces of the baffle rings in a sunken mode, isolation rings are arranged in the two annular grooves and made of elastic materials, one part of the outer circumferential wall of each isolation rings is connected with the inner circumferential wall of the outer ring, the other parts of the outer circumferential walls of the isolation rings abut against the inner walls of the annular grooves, openings are formed in the isolation rings, and the isolation rings are in arc ring shapes. The problem that a bearing is damaged due to the fact that external impurities enter the bearing easily in the prior art is solved.

The invention discloses a flow guide device of a cloth bag type dust remover. The flow guide device of the cloth bag type dust remover comprises a dust hopper, a box body, cloth bags and n flow guide plates, wherein the dust hopper is arranged under a bottom plate of the box body; openings of the cloth bags are formed in the bottom plate of the box body; n+1 groups of ventilation holes are formed in the bottom plate of the box body; the positions of the openings of the cloth bags correspond to the ventilation holes; the ventilation holes are used for communicating the dust hopper with the cloth bags; the flow guide plates are arranged on the inner side wall of the dust hopper and are located between two adjacent groups of ventilation holes; the flow guide plates comprise air shielding plates and air inducing plates; the air guiding plates are located at the bottoms of the air shielding plates; an included angles between each air shielding plate and each air inducing plate is 120-150 degrees; side plates are arranged on two sides of the air shielding plates adjacent to the air inducing plates; an air inlet is formed in the wall of the dust hopper; the plate sides of the air shielding plates are opposite to the air inlet; staggered protrusions are formed in the plate sides of the air shielding plates; n is a natural number being greater than or equal to 1. Through the flow guide device, the airflow distribution uniformity of the dust remover can improved; the re-entrainment of the dust of the dust hopper can be reduced; the operation resistance of the equipment can be reduced; meanwhile, the service life of the cloth bags can be prolonged.

The invention, based on an existing cooking device, is improved, and provides a detonation accumulation mechanism and a cooking device adopting the same. The detonation accumulation mechanism comprises a motor, a first magnetic connecting plate, a magnetic conductive metal plate, a detonation accumulation spring, a detonation accumulation limiting device and an output connecting piece, wherein a thread output shaft is arranged on the motor, the first magnetic connecting plate is arranged on the thread output shaft, and the magnetic conductive metal plate penetrates through the thread output shaft. By removal of a redundant structure and continuous improvement and optimization, the detonation accumulation mechanism can realize more cooking functions, and achieve a better cooking effect, thereby improving the automation degree of cooking. By virtue of a working mode of accumulating and then releasing mechanical energy, the detonation accumulation mechanism provided by the invention can provide energy output by using a power source with higher power, smaller volume and smaller mass, strengthen the action effect greatly by virtue of this power source, achieve an effect of outputting a same equivalent weight with higher power source energy, and replace an execute component (such as an electromagnet) acting directly in the prior art.