51results about How to "Improve suspension performance" patented technology

The invention discloses water montmorillonite nano composite heat insulating waterproof paint and a preparation method thereof. The water montmorillonite nano composite heat insulating waterproof paint comprises the following ingredients in percentage by mass: 30 to 35 percent of nano composite emulsion, 10 to 15 percent of polymer emulsion, 10 to 15 percent of rutile-type titanium pigment, 10 to15 percent of organic modified nano montmorillonite, 5 to 10 percent of nano oxide, 0.3 to 0.35 percent of pH adjusting agent, 0.50 to 0.65 percent of film-forming additive, 0.35 to 0.4 percent of elastic foam killer, 0.20 to 0.30 percent of wetting agent, 0.10 to 0.15 percent of dispersion agent, 0.50 to 0.65 percent of anti-freezing agent, 0.10 to 0.15 percent of sterilization antiseptic and 20to 25 percent of water. The water montmorillonite nano composite heat insulating waterproof paint not only has good compatibility, dispersion performance and good stability, but also has good water resistance, heat insulation, environmental protection, outdoor weather resistance and good adhesive attraction and has an antibacterial self-cleaning function.

The invention discloses an intelligent accelerated speed damping semi-active control method for a vehicle suspension system. The vertical accelerated speed signal (please see the specification for the symbol) of a vehicle body and the relative displacement signal Zdef of the vehicle body and tires are measured. The accelerated speed signal (please see the specification for the symbol) is input to a control system W. The signal transmitted into the control system is S, and the signal S and the relative movement speed signal (please see the specification for the formula) of the vehicle body and the tires are multiplied; when a result is larger than zero, a damper outputs the maximum damping Cmax (mode A) or the formula (please see the specification for the formula) (mode B); and when the result is equal to or smaller than zero, the damper outputs the minimum damping Cmin. In this way, dynamic damping adjustment of the damper damping is achieved. The intelligent accelerated speed damping semi-active control method for the vehicle suspension system has an on-off type damping control mode and a continuous damping control mode and is simple; and the vertical vibrating accelerated speed of the vehicle body can be effectively inhibited within all the road face driving frequency range, so that a vehicle has good riding comfort, the suspension property of the vehicle is obviously improved.

The invention provides a two-stage serial connection type ISD suspension frame parameter optimizing method which includes: building a non-linear two-stage serial connection type ISD suspension frame half-vehicle five freedom degree model containing an inerter; analyzing suspension frame parameter sensitivity according to the degree of influence of each parameter variation on the seat vertical weight acceleration root-mean-square value; using the suspension frame parameters with high sensitivities as the system optimizing variables, and aiming to lower the seat vertical weight acceleration root-mean-square value while vehicle driving safety is guaranteed and suspension frame strike limit probability is controlled; using a particle swarm optimization algorithm to optimize the multi-target optimization model so as to obtain the optimal value of each optimizing variable. The method has the advantages that in order to achieve two-stage serial connection type ISD suspension frame multi-target multi-parameter optimization, system optimizing variables are obtained through suspension frame parameter sensitivity analyzing, then the particle swarm optimization algorithm is used to optimize suspension frame parameters, suspension frame performance is improved, calculation efficiency is optimized, and optimization calculation time is lowered.

The invention discloses an electromagnetic suspension ball system with an acceleration detection function, and a control method thereof. In the system, an eddy current gap sensor collects a suspensiongap signal value and sends the same to a suspension controller; an acceleration sensor and a wireless transmitting unit are arranged in a steel ball, the acceleration sensor collects an accelerationvalue of the steel ball and sends the same to a suspension controller through the wireless transmitting unit and a wireless receiving unit; a current sensor detects a current signal of an electromagnet and sends the same to the suspension controller; and the suspension controller determines the magnitude of the current to be output according to the received suspension gap signal value, the acceleration data and real-time of the current signal, and then adjusts the winding current of the electromagnet through a chopper to change the magnitude of an electromagnetic force, so that the steel ballis suspended at a given suspension gap. The electromagnetic suspension ball system disclosed by the invention improves the suspension performance of the suspension system, increases the dynamic stiffness of the system, changes the damping and the vibration frequency of the system, and improves the anti-interference ability and the suspension stability of the system.

A pourable, storage-stable manual dishwashing detergent is provided. The detergent contains at least 45 percent sodium bicarbonate with a mean particle diameter of at least 150 micrometers. The sodium bicarbonate is combined with an anionic surfactant, an alkyl polyglycoside surfactant, a zwitterionic surfactant an electrolyte and optionally a solvent, to form the detergent. The detergent of the invention has good pouring properties and excellent cleaning performance against dried-on and burnt-on soil.

The invention relates to a modified talcum for a papermaking coating. The product is a white cylindrical granular talcum having a whiteness being not less than 88% and comprises the following main ingredients in percentage by mass: not less than 60% of natural talcum in the shape of a sheet-shaped particle, 0.3-0.8% of anion-type polyacrylic acid-acrylate-sulfonate copolymer, 0.2-0.5% of sodium carboxymethylcellulose, 0.02-0.1% of industrial-grade NaOH, and 5.0-10.0% of water. Compared with the prior art, the invention has the beneficial effects that the high-performance modified talcum product is prepared by the preparation method disclosed by the invention, and the product has high hydrophily, is easy to disperse in water phase; moreover, a pigment dispersoid is low in viscosity, good in the mobility, stable in the suspension property, and not easy to precipitate, so that the quality of paper is effectively improved.

The invention provides bottom slurry for a light-transmitting ceramic tile. The bottom slurry for the light-transmitting ceramic tile is prepared from the following raw materials: clay, anorthite anda surfactant. The bottom slurry for the light-transmitting ceramic tile not only has good high-temperature resistance, but also can effectively eliminate the influence of traditional bottom slurry onthe surface of the light-transmitting ceramic tile, and the attractiveness of transparent ceramic is improved.

The invention provides a preparation method for low-acetaldehyde beer; malt is subjected to raw material collocation, gelatinization, saccharification, wort filtration, boiling, precipitation and fermentation to obtain the beer, wherein raw materials comprise the following components: 30-40 wt% of rice, 15-20 wt% of Australian wheat, 20-31 wt% of Canadian wheat, 14-18 wt% of Chinese wheat, and 5-9 wt% of malt; the premate yeast flocculation (PYF) value of the Australiann wheat is 0.7-0.95, the PYF value of the Canadian wheat is 0.9-1.3, the PYF value of the Chinese wheat is 0.4-0.65, the PYF value of the malt is 0.9-1.25, and the PYF value of mixed malt is 0.80-1.15. The preparation method can effectively reduce the acetaldehyde content in the beer; and at the same time, the invention also provides the low-acetaldehyde beer prepared by the method.

The invention discloses a composite electromagnetic suspension control system and a control method thereof. The control system comprises an electromagnetic actuator, a full-bridge circuit, a gating switch, a controllable DC/DC circuit, a rechargeable battery pack, a controller and the like, wherein the electromagnetic actuator is installed at the position of a damper of a traditional suspension system; a motor power line in the electromagnetic actuator is connected with the full-bridge circuit; a signal line of the motor is connected with the controller; the full-bridge circuit is connected with the adjustable power resistor, the controllable DC/DC circuit and the rechargeable battery pack through the gating switch; the output end of the controllable DC/DC circuit is connected with the rechargeable battery pack; a vehicle body posture data acquisition system is used for detecting vehicle body vibration information; and the controller is used for controlling the electromagnetic actuatorin combination with a control strategy according to the vehicle body posture and the vehicle body vibration information. The control method can adopt passive damping control, semi-active control andactive control. The fuel economy of the automobile or the energy utilization rate of the electric automobile can be improved.

The invention belongs to the technical field of casting, and particularly relates to an anti-cracking casting coating based on attapulgite. The prepared raw materials of the coating comprise aggregates, magnesium oxide, sodium silicate, carboxymethyl cellulose sodium, silica sol and modified attapulgite; the preparation method of modified attapulgite comprises the following steps of grinding and refining the attapulgite, adding the composite coupling agent, stirring, heating to 70 DEG C and preserving heat for 2-3 hours, adding a dispersing agent, continuously stirring and heating to 80 DEG C,and discharging the materials and drying the materials to obtain the modified attapulgite. The aggregate is taken as a carrier, the magnesium oxide, the sodium silicate and the carboxymethyl cellulose sodium are mixed, the suspension performance of components in the coating can be improved by the magnesium oxide, and meanwhile, the magnesium oxide is excellent refractory materials; and the sodiumsilicate has excellent binding capacity, and meanwhile, the effect of increasing the stability is achieved in the coating; and the added modified attapulgite is used as a reinforcing agent, so that the mechanical strength of the coating is remarkably improved.

The invention relates to the field of the talc product for coatings, and in particular relates to modified talc for an interior decoration coating and a preparation method of the modified talc. The modified talc for the interior decoration coating is characterized in that the finished product is in the form of granular blocks having the whiteness of greater than or equal to 90% and the moisture content of less than 8%; the modified talc comprises the following mineral components by weight percent: 80-85% of natural talc, 7%-10% of aluminosilicate and 8-10% of modifier; the major ingredients include a hydrogen oxide, water-soluble acrylate and deionized water. Compared with the prior art, the modified talc for the interior decoration coating has the beneficial effects that 1) the modified talc is strong in hydrophily and is easily dispersed in the aqueous phase and the dispersion is low in viscosity and good in liquidity, and the modified talc is strong in adsorption capability and capable of effectively adsorbing and eliminating harmful gases such as formaldehyde in the air and the environment and converting the harmful gases into water and nontoxic substances; 2) automatic regulation of the environmental humidity is realized through automatic absorption and release of moisture content; 3) the dosage of the product in an aqueous-phase coating is 10-30%, and the modified talc has remarkable advantages such as stable suspension property and not-easy settlement.

The invention provides a vehicle pavement height recognition system based on binocular vision, which belongs to the technical field of vision system design, and comprises the following steps: step 1,acquiring and calibrating distance information of each point of a road surface through a binocular camera; step 2, calculating height information of the road surface according to the geometrical relationship between the binocular camera and the road surface and the distance information of each point of the road surface; step 3, wiressly sending the calculated pavement height information to a suspension controller through a communication program; A stereo matching step comprises determining a matching constraint criterion, matching a cost function and calculating parallax; A binocular stereo vision measurement and control method is utilized, and pavement height information obtained by calculating distance information is wirelessly transmitted to the suspension controller through a communication program, so that the suspension performance is further improved, and binocular stereo vision and a controllable suspension system are effectively combined; the problem of time lag between a controller and an actuator in a suspension system is solved.

The invention provides a preparation method for a water-based nanometer hydraulic fluid based on particle surface treatment. The method comprises the following steps: firstly, preparing a silane solution and a nanometer particle aqueous solution; mixing the silane solution with the nanometer particle aqueous solution and performing heating homogenizing treatment, dialysis treatment, freezing treatment and suction freeze-drying treatment in turn, thus obtaining a surface modified nanometer particle; dissolving the surface modified nanometer particle in pure water and dispersing, thus obtainingthe water-based nanometer hydraulic fluid. According to the invention, a water-based nanometer particle with high stability is prepared through the surface treatment for the silicon dioxide nanometerparticle; the novel water-based nanometer particle is added into the pure water, so that the wear-resistant and antifriction performances of the pure water can be promoted, the dispersing uniformity of the nanometer particle in the pure water can be promoted and the precipitation of the nanometer particle is reduced; the water-based nanometer hydraulic fluid provided by the invention can be applied to a hydraulic driving system and has a wide application prospect.

The invention discloses a method for coating granular fertilizer. The method for coating the granular fertilizer comprises the following steps of: (1) adding xanthan gum, potassium chloride, attapulgite and sodium polyacrylate into water, and performing stirring to obtain a suspending agent; (2) adding trace materials into the suspending agent, and performing even stirring to obtain a coating agent; and (3) coating the surface of the granular fertilizer with the coating agent and talc powder sequentially through a spraying device. Through the method for coating the granular fertilizer, the prepared suspending agent has uniformity and stability, and the quality stability of the coating agent product prepared by using the suspending agent can be improved, so that waste of materials is reduced; the purpose of precise spraying of the thick coating agent can be achieved by using a screw pump which cooperates with a special nozzle and an air compressor, and the spraying device can be protected effectively; through cooperative use of the coating agent and the spraying device, streamlined operation of fertilizer coating can be achieved, the quality stability can be ensured, and the yield can be increased greatly.

The present invention concerns a method for polishing a phosphate glass or fluorophosphate glass substrate comprising polishing the surface of said substrate using at least a formulation having a pH comprised between 7 and 14 comprising at least a cerium containing abrasive, an anionic water-soluble polymer dispersant, an anti-caking agent, optionally a co-dispersant and water.

The invention discloses a light-weight assembly-type automobile twist beam suspension, relates to the technical field of automotive engineering, and solves the problems that the existing automobile twist beam suspension device has a complicated structure and larger mass, and the rigidity of a twist beam is inconveniently adjusted. The light-weight assembly-type automobile twist beam suspension comprises a variable cross-section V-shaped tubular twist beam, flange joints, suspension trailing arms, wheel connecting plates, shock absorber installation brackets, shock absorbers, spring seats and spiral springs. The left end and the right end of the variable cross-section V-shaped tubular twist beam are connected with the suspension trailing arms through the flange joints; one spring seat is welded on each suspension trailing arm; the spiral springs are arranged in the spring seats; one shock absorber installation bracket is arranged on each suspension trailing arm; the shock absorbers are arranged on the shock absorber installation brackets. According to the light-weight assembly-type automobile twist beam suspension, the variable cross-section V-shaped tubular twist beam can be manufactured from high-strength steel or aluminum alloy through a intra-high-pressure forming technology, and can also be manufactured from carbon fibers and resin adhesives in a hot pressing manner, so that the mass of the twist beam suspension is reduced.

The invention discloses a foot mask capable of relieving itching, diminishing inflammation, preserving moisture and removing odour. Flower of Populus tomentosa Carr., chamomile and ginger as main raw materials are combined with trehalose, xanthan gum, olive oil, hydrogenated castor oil and a self-heating agent to prepare the foot mask. The foot mask has the effects of preserving moisture, preventing chapping, relieving itching, diminishing inflammation, inhibiting bacteria, removing odour, promoting blood circulation of feet and the like, and is safe and convenient to use. The raw materials according to the invention are substantially natural products or natural product extract, are cheap, easily available, safe and non-toxic and free of side effects, and have a good biocompatibility. By blending the various ingredients of the composition to realize reasonable matching and synergistic interaction, so that the foot mask according to the invention can fully play the role of preserving moisture, preventing chapping, relieving itching, diminishing inflammation, inhibiting bacteria, removing odour and promoting blood circulation of feet, and has great value of popularization and application.