119results about How to "Improve handling comfort" patented technology

An injection device for holding and activating a two-chamber ampulla has components whose relative movement causes the pistons of the two-chamber ampulla to be moved in order to mix the substances, as well as devices for injecting the product which is mixed in this way. For this purpose, a receptacle (103) into which the two-chamber ampulla (111) can be inserted and secured is held in a housing (101), and the receptacle (103) can be displaced by means of a carriage (108). A tappet (104) which acts on the pistons (111A, 111B) is movably held in the receptacle (103). A traction cable (114) which is deflected by means of a roller (109) which is mounted on the carriage (108) and one of whose ends is connected to the receptacle (103) and the other end of which is connected to a tension spring (110) which is held on the housing (101) is provided in order to carry out a mixing stroke, insertion stroke, injection stroke and a return stroke. Devices which can be activated automatically and / or manually between the housing (101), receptacle (103), tappet (104) and carriage (108) control their alternating coupling to the traction cable (114) and thus the sequence of the mixing stroke, insertion stroke, injection stroke and return stroke. The invention thus provides a partially automatic injection device for two-chamber ampullas whose handling comfort and safety for the patient are substantially improved.

The invention provides a fresh-keeping control method for food in a refrigerator based on a mobile terminal. The refrigerator comprises a wireless communication module. The fresh-keeping control method comprises the following steps that the mobile terminal scans the bar code of food and sends the scanning information of the bar code to the refrigerator through the wireless communication module of the refrigerator, the refrigerator judges whether the food exceeds the expiration date according to the scanning information, generates warning information when the storage time of the food exceeds the expiration date or a time is preset before the expiration date, and sends the warning information to the mobile terminal, and the mobile terminal warns a user of fresh keeping according to the warning information. By means of the fresh-keeping control method, whether the food in the refrigerator exceeds the expiration date or not can be detected, the warning information is sent to mobile equipment of the user to warn the user at any time and any where, waste of food is avoided, and food safety is guaranteed. The invention further provides a fresh-keeping control system and refrigerator for food in the refrigerator based on the mobile terminal.

The invention discloses a method for improving the excavating control characteristic and leveling operation characteristic of an excavator, and belongs to the technical field of hydraulic circuit devices. A hydraulic control reversing valve is arranged in a control circuit, which is used for controlling the confluence of a movable arm, of a hydraulic excavator; an electromagnetic valve group is arranged in the movable arm confluence control circuit and a bucket rod confluence control circuit; a controller sends a control signal to switch between an electromagnetic valve group open circuit mode and an electromagnetic valve group close circuit mode; the controller sends a signal to make an open circuit occur in the electromagnetic valve group, a valve core is recovered to a middle position, a movable arm lifting confluence circuit is recovered, and a bucket rod swing-out confluence circuit is switched off, so that a standard excavating mode is realized; and the controller sends a signal to make a close circuit occur in the electromagnetic valve group, the electromagnetic valve group switches off the movable arm lifting confluence circuit, and the bucket rod swing-out confluence circuit is switched on, so that a leveling operation mode is realized. The method has the advantages that: various actions can be coordinated and synchronously in-place in excavating operation and leveling operation, and production cost and maintenance cost are reduced while the using efficiency and control comfort of the excavator are improved.

A train test platform for testing actual train components of a multiple car railway train and a method to test such actual train components includes a supervisor unit and several car units linked by a reflective memory system. The actual components to be tested are installed in instrumentation units of the respective car units. The instrumentation units provide break-out interfaces for connecting the actual train components to a train communication system having the wiring, bus systems, or power supplies Further the instrumentation units simulate those components not being present physically in the respective cars. Testing is performed by monitoring and manipulating signals at the break-out interfaces in real-time. All testing is controlled by the supervisor unit using the reflective memory to exchange information with the platform components in the respective car units.

The invention discloses an electric power-assisted steering system with a steering wheel angle median self-learning function, and further provides a steering wheel angle median self-learning method ofthe electric power-assisted steering system. Steering wheel angle median self-learning is conducted through the following modes that when steering torque of a steering wheel is in a first preset steering torque range and the working condition that a vehicle speed is larger than a first vehicle speed threshold value lasts for first preset duration, a calibration request is sent out; if the steering wheel angle median calibration state is a non-calibration state and the working conditions that the difference value of the wheel speed sum of two of diagonal wheels and the wheel speed sum of the other two diagonal wheels is smaller than a first wheel speed threshold value, and the difference value of the wheel speeds of two driving wheels is smaller than a second wheel speed threshold value last for second preset duration, the angle of an angle sensor at the finishing moment of the second preset duration is calibrated as a steering wheel angle median, and the calibration value is recorded.The steering wheel angle median value can be updated in real time, accordingly, more precise angle signals are provided for the steering system, and safety performance and manipulating comfort of vehicle traveling are improved.

Provided is a run-flat tire that achieves high levels of both run-flat durability and ride comfort, and minimizes weight increase. In a sidewall-reinforced run-flat tire, the minimum thickness section being positioned between the belt layer end section and the tire cross-sectional height (SH) 70% position, the relationship between the thickness (Gmin) of the minimum-thickness section and the thickness (Gmax) of the maximum thickness section (17) is defined as 0.5 × Gmax ≤ Gmin ≤ 0.8 × Gmax; the relationship between the length (Lmin) of the thin region and the tire cross-sectional height (SH) is defined as 0.18 × SH ≤ Lmin ≤ 0.26 × SH; the relationship between the weight (Wr) of the sidewall-reinforcement layer, the tire total weight (Wt), and the tire oblateness (R) is defined as 0.08 × Wt × (1 - 0.2 × (1 - R / 50)) ≤ Wr ≤ 0.18 × Wt × (1 - 0.2 × (1 - R / 50)); the relationship between the thickness (Ga) at the rim-check line of the outer-side rubber portion outward of the carcass layer, and the maximum thickness (Gb) thereof, is defined as 0.8 × Gb ≤ Ga ≤ 1.0 × Gb; and the relationship between the thickness (Gc) at the rim-check line of the inner-side rubber portion inward of the carcass layer and the thickness (Ga) is defined as 0.7 × Ga ≤ Gc ≤ 1.0 × Ga.

The invention relates to a method of retreading the old and useless full steel wire tyre by the meridian, comprising the steps as follow: milling the tyre surface, removing the vitiated tyre face and roughening the surface of the steel wire tyre by milling; gluing by coating the plasmagel on surface of the tyre; winding the new glued steel wire curtain cloth on the tread of tyre and adhering with the middle pad glue; adhering the matched type face glue on the tread of tyre, which wound by the glued steel wire curtain cloth, after the tyre face is adhered with glue; then sulphrizing in the tank that is sulphrizing the reinforced tread bracing layer into the sulphrizing tank. The invention will not damage the equilibrium of tyre, improve the controlling amenity, increase the anti-piercing and anti-explosion capability of the tread of tyre, prevent the skeleton of tyre from deforming and improve the retreading rate of tyre. The thickness of glue steel wire curtain cloth installed with the middle pad glue increase the cementation effect between tyre body and the tyre face, improve the anti-tearing capacity of tread block, decrease chunking and improve the bearing and buffer capacity of the tyre.

The invention discloses a control device and method for a wheel type mechanical hydraulic travelling system. Based on a control unit, state quantities including pressure, rotating speed, electric currents, positions and the like are detected, a first magnetic valve, a second magnetic valve and a third magnetic valve are controlled, besides, a damping device is additionally arranged on a pilot oil line, and too big impact during starting and stopping is avoided. An accelerator pedal and running speed are in real-time matching, so that the maneuvering flexibility is improved, and maneuvering comfort and driving feeling are enhanced; the throttling losses when a running control valve is not fully opened are reduced, energy is saved, and the control response speed is increased; control on manual switch and automatic switch under various travelling operating conditions is realized, the trouble that a manipulator frequently adjusts various travelling modes is reduced, and the operation fatigue feeling is reduced; pressure impact during starting and stopping is reduced, and better comfort is achieved.

The invention relates to the improvement of a variable-speed operating valve of a power shift gearbox of engineering machinery. The variable-speed operating valve comprises a valve body, a cut-off valve, a distribution valve and the like, and is characterized in that the same axis of the same valve body is further provided with a regulator device overflow valve comprising an overflow valve core, a pressure adjusting spring and the like, and a buffer modulation device buffer valve comprising a limit rod, a buffer spring, an accumulator plunger, a buffer slide valve and the like; and both the regulator device overflow valve and the buffer modulation device buffer valve are separated by a lock sheet, and are communicated with an oil passage. The pressure shock when shifting is reduced, the flexible combination of a clutch is realized, and gear shifting hysteresis caused by the fatigue of the pressure adjusting spring is solved, thereby improving the reliability and prolonging the service life of the variable-speed operating valve. The novel variable-speed operating valve totally agrees with the installing size of the conventional gearbox; therefore, the novel variable-speed operating valve has excellent execution and popularization value.

The invention relates to a tread rubber material for a snow tire. 0.2wt%-4.0wt% of pre-expanded submicrospheres are dispersed in the tread rubber material; further, the tread rubber material in the formula is prepared from components in parts by weight as follows: 100.0 parts of rubber, 60.0-90.0 parts of reinforcing filler, 3.0-8.0 parts of an active agent, 0.0-6.4 parts of a sulfur-containing organosilicon compound, 0.5-4.5 parts of an anti-aging agent, 1.0-2.5 parts of protective wax, 20.0-45.0 parts of rubber operating oil, 0.8-2.5 parts of sulfur (in terms of pure sulfur content), 0.8-3.5 parts of an accelerant, 1.0-7.0 parts of pre-dispersing master batch of the pre-expanded submicrospheres and 0.1-0.4 parts of an anti-scorching agent. According to the tread rubber material for the snow tire, the pre-expanded submicrospheres are utilized to replace a chemical foaming agent, cell size and distribution are uniform, and outstanding on-ice slipping resistance can be realized in the whole life cycle of the tire; the formal design is flexible, the raw material selection range is enlarged, the processing conditions are easy, the safety is improved, and the quality is stable.

The invention relates to a controlling apparatus used for vehicle and a method for operating vehicle engine. Concretely, the controlling apparatus (10) used for vehicle (1) and the corresponding method allows the flameout examination to engine (2) and introduces automatic starting to the engine (2) after flameout, thereby, monitors whether the clutch pedal (5) of the vehicle (1) reaches or exceeds a given position in predetermined time interval after flameout.

The invention discloses an adaptive control method of a vehicle active suspension system considering time lag interference, which comprises the following steps: establishing a nonlinear active suspension system model with input time lag, and obtaining a kinetic equation of an active suspension according to a Newton second law; designing a self-adaptive backstepping controller capable of resistingtime lag interference; analyzing the influence of the time lag on the system, calculating the critical time lag of the controlled suspension system, and obtaining the controllable time lag range of the self-adaptive backstepping controller; selecting proper gains k1 and k2 and feedback coefficients l1, l2, ls and lc, so that all constraints of the nonlinear system can be limited within a reasonable range under the influence of a certain time lag range, and control indexes are met; according to the method, the problems that an existing vehicle nonlinear suspension model is simple, a control target is single and the like are solved, and the problems of controller time lag interference, sprung mass uncertainty and model dynamic stability under the vehicle driving condition are also solved.

The invention provides a steering control system control method, a device and an automobile. Wherein the steering control system control method includes acquiring the angle of the steering wheel, andjudging whether the angle of rotation of the steering wheel is greater than the preset angle, then, when it is determined that the steering wheel rotation angle is greater than the preset angle, at last, that current of the electric power steering motor is adjust according to the current vehicle speed, the torque change of the steering wheel and the angular speed change of the steering wheel, so that the torque difference between the steer gear and the steering wheel is within the preset range. The steering control system control method provided by the invention effectively controls the fluctuation of the steering control system torque and improves the handling stability and comfort of the vehicle.

The invention provides a lock ring type synchronizer and a synchronizing method thereof. The synchronizer comprises gear hubs, slide sleeves, return springs, synchronous conical rings and jointed gear rings. The slide sleeves sleeve the gear hubs, the inner walls of the synchronous conical rings are provided with a plurality of locking bosses uniformly distributed, each locking boss is provided with a first locking slope, the side walls of the jointed gear rings are provided with annular bosses extending axially, the annular bosses are provided with locking grooves matched with the locking bosses on the inner walls of the synchronous conical rings, the locking grooves are provided with second locking slopes, the slide sleeves slide from one sides of the gear hubs to the jointed gear rings so as to push the synchronous conical rings and the jointed gear rings to be matched, and the synchronous conical rings are driven to overpass the jointed gear rings by the return springs, so that internal splines of the slide sleeves are meshed with outer splines of the jointed gear rings. The lock ring type synchronizer is compact in integral structure and small in axial size, and has larger friction radius than that of conventional lock ring synchronizers due to the fact that the slide sleeves are provided with frictional conical surfaces, that is, larger capacity of the synchronizer is achieved, and a transmission is higher in operation comfortableness and reliability and lower in cost.

An operating and display device is provided for a vehicle having a display unit (80) and having a rotary knob (1) for selecting a function (69) and / or for selecting a menu (81) within a hierarchical menu structure (60) shown using the display unit (80). The rotary knob (1) forming an operating unit is movable in both directions of its rotational axis, and pressing of the operating unit causing navigation between two menu levels in a first hierarchy direction and pulling of the operating unit causing navigation between two menu levels in a second, opposing hierarchy direction of the menu.

The invention discloses an auxiliary brake mechanism of a gearbox. The auxiliary brake mechanism comprises a clutch pedal, a muffler combined device with an exhaust pipe, a single-acting cylinder, a clutch and a drum brake, wherein the muffler combined device with the exhaust pipe is connected with the side edge of the single-acting cylinder in a penetrating manner, and the other side edge of thesingle-acting cylinder is connected with one end of a first hose in a penetrating manner; the other end of the first hose is connected with a button valve in a penetrating manner; one end of a secondhose is connected to the lower end of the button valve in a penetrating manner; the button valve is opened and closed through the pulling of one end of a first flexible shaft, and the other end of thefirst flexible shaft goes around guiding wheels of a pulley block and is connected to the clutch pedal; and the control comfortableness of a manipulator is improved, and the gear shifting is smoother. The auxiliary brake mechanism disclosed by the invention is applied to a mechanically-driven single-steel-wheel vibrating roller, so that time for gear shifting is shortened, the labor intensity ofthe manipulator is reduced, the gear shifting is smoother, the manipulation comfortableness of road rolling is improved, and besides, the reliability of a gearbox is improved.

The invention belongs to the field of automobile transmissions, and particularly relates to a transmission shifting mechanism assembly. A four-fork-shaft structure is adopted, a self-locking device, an interlocking device and a reverse gear locking device are included, and meanwhile a reverse gear and neutral position triggering mechanism is included. The transmission shifting mechanism assembly comprises a transmission upper cover, a first-second gear shifting fork shaft, a third-fourth gear shifting fork shaft, a fifth-sixth gear shifting fork shaft and a reverse gear shifting fork shaft, and altogether four shifting fork shafts are arranged. Each shifting fork shaft is fixedly provided with a gear shifting guide block and a gear shifting fork. The distribution positions of the four gear shifting guide blocks are even and form four gear selecting positions, and a rail groove which allows a gear shifting block to move is formed in the middle of the positions. Fork feet of the four gear shifting forks are in an arc shape, and the four arcs are concentric in the radial direction. The fork feet of the four gear shifting forks are inserted into a groove of a first-second gear shifting tooth sleeve, a groove of a third-fourth gear shifting tooth sleeve, a groove of a fifth-sixth gear shifting tooth sleeve and a groove of a reverse gear shifting tooth sleeve. The first-second gear shifting guide block and the first-second gear shifting fork are of an integral structure. The transmission shifting mechanism assembly is simple in structure, reliable in quality and portable in gear shifting, and improves the dynamic property, the fuel economy and the handling comfort of an entire automobile.

The invention discloses a remote controller for a high-maneuverability ground unmanned platform and a remote control method thereof. The remote controller comprises a whole machine composed of a casing and a remote control panel, wherein the remote control panel is provided with a left and right handles, a power switch and an emergency stop switch; the left and right handles each have a horizontalmotion dimensionality, a vertical motion dimensionality and a rotation motion dimensionality; the left and right handles each have a plurality of composite control buttons; the combination of the left handle and the plurality of composite control buttons achieves the operation control of walking, turning, lighting and horn of the unmanned platform; the combination of the right handle and the plurality of composite control buttons achieves the attitude control of the unmanned platform. The remote controller has reasonable layout, high reliability, good universality, good intellectualization, good human-machine interaction, and is easy to operate, easy to maintain and wide in application range.

The invention provides a double-sided screen touch control method, which is applied to a double-sided screen terminal. The double-sided screen terminal comprises a main screen and a sub-screen. The method includes the following steps: setting a touch function of the secondary screen when detecting a secondary touch setting command; Receiving a touch signal on the sub-screen based on the set touchfunction of the sub-screen; Processing the received touch signal to obtain a corresponding touch action data signal; outputtihng The touch action data signal to the main screen to respond to the touchaction data signal and displaying a corresponding touch action on the main screen. The invention also provides a double-sided screen terminal, a readable storage medium. The invention solves the technical problems of poor manipulation of user fingers and easy fatigue of user fingers existing in the multi-fingered operation mode of the prior mobile terminal.

The invention relates to a small and midsize wheeled tractor braking device. The small and midsize wheeled tractor braking device comprises brake handles, a brake pull wire, a brake, a rocker arm return spring, a brake rocker arm, a low pull rod, a foot brake rocker arm, brake pedals, and an upper pull rod, wherein the rocker arm return spring is arranged at the lower end of the brake, and is connected with the brake rocker arm; the upper end of the upper pull rod is rotatably connected to the upper part of the brake pedals, and the lower end of the upper pull rod is connected with the foot brake rocker arm; a pedal return spring is arranged at the upper ends of the brake pedals; a lower arm of the foot brake rocker arm is arranged at one end of the lower pull rod, and a lower pull rod connecting fork is arranged at the other end of the lower pull rod; the lower pull rod connecting fork is connected with a lower arm of the brake rocker arm, and the brake pull wire is arranged under the brake handles. A brake pull wire connecting fork is arranged at the lower end of the brake pull wire, and is connected with the upper arm of the brake rocker arm; a slotted hole is formed in the connecting part of the lower pull rod connecting fork / brake pull wire connecting fork and the brake rocker arm. According to the small and midsize wheeled tractor braking device disclosed by the invention, good parking safety is guaranteed, and the operation and control comfortability is improved.

The invention discloses a parking assisting device, a vehicle braking system and a vehicle. The parking assisting device comprises an electric control valve (12) arranged on a brake oil-supply pipeline connected to a position between a brake master pump (2) and a wheel brake, a first current loop (18) which is connected to the electric control valve (12) so as to supply electricity to the electric control valve (12), and a first switch (6) arranged on the first current loop (18); when a parking control handle (5) is pulled up, the first switch (6) is driven to be switched on, so that the electric control valve (12) obtains electricity, and the brake oil-supply pipeline is closed; when the parking control handle (5) is pressed down, the first switch (6) is driven to be switched off, so that the electric control valve (12) loses electricity, and the brake oil-supply pipeline is opened. According to the parking assisting device disclosed by the invention, the control force of the parking control handle does not need to be too large, so that the parking property of the vehicle brake system is more reliable, and the handling comfort can be improved.

The invention relates to a hydrodynamic transmission used for a hydrodynamic forklift and provided with a pump mechanism. A lubrication pump transmission shaft is arranged on one side of the upper part of a transmission body, a lubrication pump is arranged at an outward extending end of the lubrication pump transmission shaft, and a first lubrication pump transmission gear is arranged on the lubrication pump transmission shaft; a hollow working pump transmission shaft tube is arranged on the other side of the upper part, a forward gear clutch and a forward gear of a second lubrication pump transmission gear are sequentially fixed on one side of the working pump transmission shaft tube, the forward gear clutch includes a forward gear clutch gear, and an oil supply pump and a hydrodynamic torque converter are arranged on the other side; a working pump transmission shaft is arranged in the working pump transmission shaft tube, and the outer end part of the working pump transmission shaft is connected with a working pump; a backward gear clutch shaft is arranged below the working pump transmission shaft tube, a backward gear clutch and a backward gear are sequentially arranged on the backward gear clutch shaft, and a clutch gear is arranged on a casing of the backward gear clutch; and a transmission shaft is arranged below the lubrication pump transmission shaft, and an output gear is arranged on the transmission shaft. The hydrodynamic transmission has two power output ports, and is provided with the working pump and the lubrication pump at the same time, thereby facilitating an entire vehicle matched wet-type brake drive axle.

The invention provides a torsion beam suspension capable of adjusting the camber angle of a wheel. The torsion beam suspension comprises a pair of left and right suspension longitudinal arms and a torsion beam, wherein the left and right suspension longitudinal arms are distributed on the left side and right side of a vehicle and extend along the forward and backward directions of the vehicle; the front end of each longitudinal arm is supported on a vehicle body through a rubber bushing, and the back end of each longitudinal arm supports a back wheel; the torsion beam extends along the width direction of the vehicle; and the two ends of the torsion beam in the length direction are connected with the left and right suspension longitudinal arms respectively. Key points are that: left and right length-adjustable adjusting levers are arranged on the torsion beam; and one end of each adjusting lever is fixedly connected with the torsion beam, and the other end of each adjusting lever is connected with a steering knuckle of a wheel on the same side as the adjusting lever. The torsion beam suspension is provided with a pair of length-adjustable adjusting levers compared with the ordinary torsion beam suspension, has a simple structure and is easy to realize; and the camber angle of the wheel can be changed by changing the length of the adjusting lever, so that the entire dynamics performance of the suspension is enhanced, the operation stability and comfort of the entire vehicle are enhanced effectively and wear of a tire is reduced.

The invention discloses a shift shaft assembly pulling head position accuracy testing fixture which relates to the technical field of process equipment manufacture. The shift shaft assembly pulling head position accuracy testing fixture comprises a base board which is provided with two V-shaped positioning blocks. The base board is provided with a spacing seat between the two V-shaped positioning blocks. The spacing seat is provided with an extending-out part. A spacing bolt which extends to a portion above the connecting line between the centers of the two V-shaped positioning blocks is equipped on the extending-out part in a penetrating manner. The base board is provided with an upper lever unit and a lower lever unit which detect the position accuracy of the shift shaft assembly pulling head between the spacing seat and the V-shaped positioning block. Compared with the prior art, the shift shaft assembly pulling head position accuracy testing fixture can settle a problem of large control cover jitter caused by position accuracy out-of-tolerance of an existing shift shaft assembly pulling head.

The invention belongs to the field of airplane control system design, and more specifically relates to a fly-by-wire airplane side stick operating mechanism. The fly-by-wire airplane side stick operating mechanism comprises a force feedback device. According to conventional fly-by-wire airplane side stick operating mechanisms, side stick operating is realized via design of a spring loading mechanism between moving parts and a housing, and through cooperation of a spacing mechanism. The disadvantages are that: the profile is long, the size is large, the weight is difficult to reduce, the tension compression symmetry is limited, and generation and broad width adjusting of bidirectional different force sense are impossible to realize. The invention provides a fly-by-wire airplane side stick operating force feedback device which is used for generation and adjusting of fly-by-wire airplane side stick operating artificial sense force. Forward rotating or backward rotating of a rocker arm rotating shaft driven by a pilot control handle are both capable of driving springs to stretch, the larger the rotating angle stroke, the higher the spring stretching degree, and the larger the force sense, so that generation of bidirectional artificial sense force is realize.

A device and method for measuring and assessing mobilities of extremities and body parts of a proband, characterized by a wireless measuring device attachable at an extremity to be measured or at a body part to be measured of the proband, the measuring device including a sensor for three-dimensional continuous detection of position changes of the measuring device, a data processing device that wirelessly receives the measured values, an input device for manual inputs, wherein the input device is part of the wireless measuring device, an analysis program for a planning of a measurement and / or for a visualization of a measurement and / or for an analysis of a measurement, wherein the analysis program runs on the data processing device and the analysis program computes from the measured values position changes of the measuring device, computes from the position changes a mobility of an extremity or of a body part; and processes manually inputted inputs.