116results about How to "Prevent affecting stability" patented technology

The invention discloses a timely four-wheel compound steering system and a multi-objective optimization method thereof. The system comprises a differential steering system and a four-wheel steering-by-wire system, and four individual wheel hub motors are adopted to achieve power-assisted steering. According to the timely four-wheel compound steering system, based on the differential steering system, the four-wheel steering-by-wire system and an electronic assistant system are additionally arranged, so that the timely four-wheel compound steering system can switch between a two-wheel differential steering mode and a four-wheel steering-by-wire mode to achieve car steering according to different working conditions of a car. Based on the timely four-wheel compound steering system, the multi-objective optimization method is provided. According to the method, by selecting partial parameters of the steering system as optimization variables, building a target function, setting constraint conditions, building a model of the timely four-wheel compound steering system and adopting a harmony searching algorithm, multi-objective optimization is conducted on the timely four-wheel compound steering system.

The invention belongs to the field of cold region slope support and discloses a cold region active ventilation cooling self-recovery slope anchorage structure and a construction method. The cold region active ventilation cooling self-recovery slope anchorage structure comprises a framework, ventilation anchor pipes and a ventilation system. The ventilation anchor pipes are formed in the mode that anchor pipes are nested in ventilation pipes coaxially through positioning rings and the ventilation pipes are coaxially sleeved with exhaust pipes. The ventilation system is composed of fans, temperature control switches and solar panels, all of which are connected through wires. Slurry is injected into the anchor pipes, passes through slurry outlet holes and is bonded with surrounding stable frozen soil; geogrids, drain pipes and the framework are constructed on the slope surface, and the ventilation anchor pipes penetrate through the framework; the front section of each ventilation anchor pipe is sleeved with a flange base plate and a spring sequentially and is fixed on the framework through an anchorage device; plants are planted in the geogrids, and a drain channel is arranged at the slope toe; the fans are installed at the front sections of the anchor pipes, the temperature control switches and the solar panels are arranged on the framework, and the fans, the temperature control switches and the solar panels are connected through the wires. The cooling effect is remarkable due to automatic air supply, the swelling reduction, shock absorption and self-recovery functions are remarkable, water is drained in time, and development of frozen soil is promoted due to the geogrid slope surface and the plants; the method is easy and convenient to implement, and construction is rapid.

The invention relates to a coated cloth and especially relates to a hydrophobic bacteriostasis multifunctional coated cloth and a processing method thereof. The hydrophobic bacteriostasis multifunctional coated cloth comprises a warp knitting fabric, a bacteriostasis coating on the surface of the warp knitting fabric, and a hydrophobic coating on the bacteriostasis coating. The bacteriostasis coating is prepared from 15-20 parts by weight of bamboo fibers, 0.5-2 parts by weight of Wasabia japonica extract, 0.5-2 parts by weight of white gourd kernel extract, 20-35 parts by weight of a polyvinylidene chloride emulsion and 35-45 parts by weight of an acrylate copolymer-paraffin composite emulsion. The hydrophobic coating is prepared from 100 parts by weight of PVC paste resin, 50-80 parts by weight of an eco-friendly plasticizer, 2-5 parts by weight of a stabilizing agent, 0-60 parts by weight of a filler, 0-20 parts by weight of a fire retardant, 0-5 parts by weight of a mildew inhibitor, 0-5 parts by weight of an anti-oxidant, 0-10 parts by weight of a binder and 0-70 parts by weight of hydrophobic nanometer fibers.

The invention discloses a spectral envelope silence detection method. The method comprises the following steps: converting a time domain signal into a frequency domain signal and calculating the spectral energy distribution of the signal; performing gain oscillation detection on a received signal according to the state of the received signal, and updating the spectral energy distribution of a background noise by selecting a corresponding updating mode according to the current state; calculating the signal-to-noise ratio of a frame by utilizing the spectral energy distribution of the received signal and the spectral energy distribution of the background noise, and storing the signal-to-noise ratio of the frame within a certain recent period of time; performing spectral envelope multi-shift according to the records of the signal-to-noise ratio of the frame and the signal-to-noise ratio of spectral envelope, and judging an input signal is a voice or a noise according to the state output of the state shift. By the method, the starting and the ending of a voice signal can be detected quickly, and basis can be provided for processing voice signals such as voice noise reduction and voice silence.

The invention discloses a preparation method of cobamamide lyophilized preparation for injection. The preparation method of cobamamide lyophilized preparation for injection comprises following steps that medicine components include, by weight, 0.5-1 parts of cobamamide and 30 parts of mannitol; the cobamamide and the mannitol are weighed under a red light lamp with the illumination intensity of 20 lux to 50 lux, are added into water filled with inert gas and are stirred so as to be dissolved, 0.1% to 0.2% of activated carbon is added into mixture of the cobamanide, the mannitol and the water, and then mixture of the activated carbon, the cobamanide, the mannitol and the water is finely filtered, charged separately, filled with inert gas to be protected and then is lyophilized. Chemical stabilizing agent such as bacteriostat, complexing agent, opacifier and the like is not used in the preparation method. The preparation method not only is convenient for work of operators, but also can prevent stability of the quality of products from being affected due to inappropriate light shielding methods, and simultaneously, stability of the products is improved.

The invention belongs to the field of fuel cells, and particularly discloses a combustor for a medium-high temperature solid fuel cell and an application thereof. An air inlet and a fuel inlet are arranged at an inlet end of a static mixing cavity in the combustor and are used for mixing air and fuel to obtain mixed gas; a shunting orifice plate is connected with an outlet end of the static mixingcavity to provide a buffer area for the mixed gas and shunt the mixed gas; a metal mesh structure is connected with the shunting orifice plate, so that the phenomena of tempering and flamelifting areprevented; a combustion chamber is arranged on the outer side of the static mixing cavity and provides a space for mixed gas combustion; and a pulse igniter is arranged above the metal mesh structureand used for igniting the mixed gas. According to the combustor, the shunting orifice plate is utilized to provide the buffer area for the high-flow-rate mixed gas, meanwhile, flame generated by combustion is divided into a plurality of fine flame flows by utilizing the metal mesh structure, and stable gas flow and temperature gradient are formed, so that the phenomena of the tempering and flamelifting are prevented.

The invention relates to the technical field of weak current cable connecting devices, and discloses an anti-falling weak current cable connector. The anti-falling weak current cable connector comprises a connector body, wherein a connecting sleeve is mounted in the middle part of the inner cavity of the connector body; the inner wall of the connecting sleeve is fixedly connected with an insulating sleeve; a conducting rod is mounted inside the insulating sleeve; a cone-shaped guide pipe is mounted inside the inner cavity of the connector body; the small circle surface of the cone-shaped guide pipe is fixedly connected with one end of the conducting rod; and a first mounting block and a second mounting block are mounted on the top and at the bottom of one side face of the connector body respectively. According to the anti-falling weak current cable connector, the connector is provided with the first mounting block, the second mounting block, a first semi-circular ring, a second semi-circular ring, a clamping rod and a clamping groove, and the depth of the clamping rod in the clamping groove is adjusted, so that the size of the first semi-circular ring and the size of the second semi-circular ring are adjusted; simultaneously, limiting holes and through holes are matched, and fixed pins are inserted, so that cables are limited and fixed, the effect of preventing the weak current cables from falling off is reached, and the connector is convenient to use and simple in operation.

The invention discloses a material pulling machine convenient to use. The material pulling machine convenient to use comprises a box body; a motor box is fixedly connected to the bottom of the right side of the box body; a dust removing box is fixedly connected to the left side of the top of the inner wall of the box body; a bottom box is fixedly connected to the bottom of the dust removing box; an electric hydraulic rod is fixedly connected to the top of the inner wall of the box body; the end, away from the top of the inner wall of the box body, of the electric hydraulic rod is fixedly connected with a top plate; and the two sides of the bottom of the top plate are each fixedly connected with an extruding frame through a buffering device. The invention relates to the technical field of material pulling machines. By means of the material pulling machine convenient to use, the extruding thickness can be effectively adjusted, fine adjustment can be performed, buffering at a certain degree can be performed during extruding, material pulling is made quite convenient, unnecessary waste is reduced, pressing flattening treatment can be performed before extruding, the pressing flatteningtemperature can be adjusted, extruding can be conveniently performed at the later stage, the work efficiency is greatly improved, and the material pulling quality is guaranteed.

The invention discloses a crawler type moving telescopic automatic stacking device and a stacking method thereof, and belongs to the technical field of belt conveying. The crawler type moving telescopic automatic stacking device comprises an inner truss, an outer truss, a horizontal swinging mechanism, a crawler type moving mechanism, a radial telescopic mechanism and a support mechanism, wherein an inner conveying belt and an outer conveying belt are fixedly connected to the inner truss and the outer truss correspondingly in the vertical direction; the top end of the support mechanism is connected with the upper part of the outer truss; and the inner conveying belt extends outwards as required by virtue of the radial telescopic mechanism. The crawler type moving mechanism is fixedly connected to the fixed end of the bottom of the outer truss by virtue of a rotary support or a traction support seat, the support mechanism is in a lifting type and comprises a lifting hydraulic cylinder and a lifting frame which are fixedly connected with each other, and the lifting amplitude of the lifting frame ranges from 6 degrees to 18 degrees, so that the spatialization of a discharge side is further increased in a vertical direction, discharge is performed from point to surface and then from surface to stereo, and the discharge volume is increased. In addition, the technical problems of the narrow working surface, bad maneuverability and high design cost of a moving belt conveyor are solved.

The invention discloses a template used for casting a floor beam. The template comprises a beam bottom template, a beam side template, a beam end template and a floorslab bottom mold; the beam bottom template, the beam side template and the beam end template form an opening structure with the top opened and the periphery and the bottom closed; the floorslab bottom mold is arranged on the side of the top of the beam side template; the template also comprises a horizontal back ridge and a clamping piece; the horizontal back ridge is limited between the clamping piece and the side face of the beam side template. The invention also discloses a construction method of the floor beam. The template used for casting the floor beam and the construction method of the floor beam disclosed by the invention have the advantages that the floor beam has correct sectional dimension, no mold swelling, no mold explosion, no mud leakage and no deformation, the concrete construction quality is ensured, the construction is simple, the disassembly and the assembly are convenient, and the cost and the unnecessary repair can be effectively reduced and saved.

The invention discloses vehicle anti-fatigue driving equipment based on big data. The equipment comprises a big data fatigue monitoring system and an anti-fatigue reminding system which are integratedwith vehicle driving. The anti-fatigue reminding system comprises a driver seat, an electric shock stimulation plate and a vibratory massage anti-fatigue mechanism. A secondary safety protection bellyband is also arranged on the side surface of the driver seat. A safety belt integrated clamping plate used for fixing a second-level safety protection bellyband is arranged on the side face of the driver seat, a respiratory rate monitoring module is arranged on the portion, close to the tail end, of the second-level safety protection bellyband, and a bellyband tying monitoring module is arrangedon the safety belt integrated clamping plate. The implementation method of the anti-fatigue equipment comprises: identifying gender and age information of a driver; performing bellyband fastening reminding; monitoring the respiratory rate in real time; starting a vibratory massage anti-fatigue mechanism at regular time; performing fatigue stimulation. According to the scheme, the subjective initiative of an anti-fatigue implementation mode is improved, the fatigue of a driver can be actively relieved, and the effectiveness and stability of anti-fatigue implementation are improved.

The invention relates to a stirring device and especially relates to the stirring device for food detection. The technical problem to be solved by the invention is to provide the stirring device for food detection with capability of uniformly distributing food and convenience in detection. In order to solve the technical problem, the stirring device for food detection provided by the invention comprises a mounting frame, a box, a first discharging pipe, a first valve and a cover plate, wherein the box is arranged at the center of the top of the mounting frame; the first discharging pipe is arranged on the lower part of a right wall in the box; a first valve is arranged on the first discharging pipe; a cover plate is connected with the top of the left wall of the box through a hinge; the box is covered by the cover plate; a handle is arranged on the right side of the top of the cover plate; and a fixing device is arranged between the upper parts on the right side of the cover plate and the right side of the box. The stirring device for food detection can more uniformly mix the food in the box, can increase the stirring efficiency and can more accurately judge whether stirring is uniform.

The invention discloses a cigarette free combustion speed testing device which comprises a box body, a cigarette feeding unit, a rotating unit, a cigarette lighting unit, a cigarette pulling and collecting unit, a smoke discharging unit, an image processing unit, a suction unit and a control unit; the box body is of an internal hollow structure, and a fixing plate is arranged in the box body; theinterior of the box body is divided into two parts by the fixing plate, the cigarette feeding unit, the rotating unit, the cigarette lighting unit and the cigarette pulling and collecting unit are fixed to the fixing plate, the smoke discharging unit is fixed to the top of the box body, the image processing unit is further fixed to the smoke discharging unit, and the suction unit and the control unit are fixed to the bottom of the box body. The testing device has the advantages that the testing device replaces manual operation, the efficiency is greatly improved, the influence of the experimental environment on the testing result is small, and the consistency of the testing result is improved; meanwhile, the laboratory environment cannot be polluted, and the harm to the body of a tester isreduced.

The invention provides a positioning device for a shaft workpiece with a gradient section, which can clamp and position the workpiece stably. The device comprises a base, wherein a positioning structure used for clamping and positioning the shaft workpiece with the gradient section is arranged on the base; the positioning structure comprises a first sliding hole and a second sliding hole formed in the base; the long diameters of the first sliding hole and the second sliding hole are in a straight line; a first supporting shaft and a second supporting shaft which can move along the sliding holes are respectively arranged in the first sliding hole and the second sliding hole; a first roller and a second roller respectively sleeve the first supporting shaft and the second supporting shaft; a clamping part of the shaft workpiece with the gradient section is formed between the first roller and the second roller; a first pressure spring, a second pressure spring and a positioning stop block are also arranged on the base; the first pressure spring is supported between one side, back on to the second roller, of the first roller and the side wall of the first sliding hole; the second pressure spring is supported between one side, back on to the first roller, of the second roller and the side wall of the second sliding hole; the positioning stop block is arranged in the side direction of the clamping part.

The invention relates to a socket, in particular to a push-pull self-locking socket. As sockets in the prior art do not have a self-locking function, plugs are easy to break away from the sockets, thus affecting connection stability. The push-pull self-locking socket overcomes the defect and comprises a socket body and jacks, and is characterized in that self-locking devices and a manual unlocking device are arranged on the socket body; the self-locking devices comprise self-locking sliders, return springs and chutes; the self-locking sliders are arranged on the chutes and are connected with one ends of the return springs; the other ends of the return springs are fixedly connected with the socket body; the manual unlocking device comprises a trapezoidal push-pull block, a push-pull return spring and sliders; the trapezoidal push-pull block is connected with one end of the push-pull return spring; the other end of the push-pull return spring is fixedly connected with the socket body; and the sliders are arranged on the chutes and are connected with the self-locking sliders. The push-pull self-locking socket has the following beneficial effect: the plugs can be automatically locked so that the plugs are stably connected with the socket in various occasions.

The invention belongs to the field of VOCs exhaust gas processing, and especially relates to a device and a method used for skid mounted module type processing of VOCs exhaust gas. The device comprises a pre-processing spray device, an ultraviolet lamp catalytic device, an adsorption device, a condenser, and a circulation water tank; exhaust gas is delivered through the pre-processing spray device, the ultraviolet lamp catalytic device, and the adsorption device successively; a multi-spherical filling material is introduced into the pre-processing spray device. According to the method, the spray pre-processing, ultraviolet light catalysis, and adsorption technology are combined, after spray, ultraviolet light catalysis, and adsorption processing, VOCs removing efficiency is higher than 95%, and the device and the method are suitable for processing of VOCs exhaust gas of high or low concentration; the application range is wide; operation and maintenance are simple; the method is safe; and operation cost is low.

The invention relates to the technical field of tire cutting, in particular to a cutting device for waste tire machining. The device comprises a rack and supporting legs arranged at the four corners of the rack, wherein a supporting plate is arranged between the two supporting legs on the left side of the surface of the rack, guide rails perpendicular to the direction of the supporting plate are arranged on the front side and the rear side of the surface of the rack in parallel, and clamping mechanisms are arranged on the two guide rails of the rack; and a knife rest is arranged on the rack corresponding to the central position of the clamping mechanism, and a guide column is vertically arranged on the rear side wall of the rack corresponding to the position of the knife rest. According to the tire cutting device, a tire can rotate along the axis line all the time while rotating, deviation is prevented, stable support is provided for cutting, a cutting tool bit adopts a cutting mode from inside to outside, the situation that the tire deforms due to stress, and the rotating stability is affected is prevented, and therefore, the thicknesses of all sections of the cut tire is guaranteed to be consistent; and the phenomenon that a tool bit is broken due to shaking of the tire is avoided, the cutting efficiency is greatly improved, and the problems existing in the prior art are solved.

The invention relates to a high-wear-resistant corrosion-resistant floor scrubber polyurethane tire, and belongs to the technical field of polyurethane, and the polyurethane tire is prepared by the following steps: 1, mixing polyester polyol, a chain extender and isocyanate, stirring for reaction, then adding hydroxyl-terminated liquid rubber and a catalyst, and stirring to obtain a component A; 2, polycarbonate diol, polytetrahydrofuran glycol and p-phenylene diisocyanate are mixed and heated for a reaction, an oligomer is obtained, then isophorone diisocyanate, an antioxidant, an ultraviolet light absorber and an anti-hydrolysis agent are sequentially added, stirring is conducted, and a component B is obtained; and 3, mixing the component A and the component B, pouring the mixture into a tire mold, and curing to obtain the high-wear-resistance corrosion-resistant scrubber polyurethane tire. And the added chain extender and hydrolysis-resistant agent improve the strength of the material and resist hydrolysis, and have a good promotion effect on prolonging the service life of the high-wear-resistance corrosion-resistant floor scrubber polyurethane tire.