536results about How to "Prevent sideslip" patented technology

The composite rotating fixed-wing aircraft consists of the coaxial counter-paddle, reverse gear, engine output shaft, engine with a starter-generator, wings, tail blades, landing device, culvert, steering gear, fairing, fuselage, motor, motor drive shaft, wing control unit of small angle of attack, aileron rudder surface, and tailplane rudder surface. Co-axial counter-blade is located in the upper part of the aircraft, which connects with the engine output shaft; the reverse gear is installed between the co-axial counter-propellers; the motor connects with motor drive shaft powered by the starter-generator of the engine; the wings are located on both sides of aircraft and connect with the fuselage; the tail blades are located at the aircraft tail, which are installed behinde motor drive shaft; the landing device is located under the lower part of the fuselage and fixed with it; the culvert connects with the landing device; the fairing is installed in the culvert and connects with the steering gear; the wing control unit of small angle of attack is installed on the wing. The aircraft design method has six steps with strict scientific idea; this invention has a wide range of practical value and application prospect.

The invention provides a vehicle running speed control method and a device thereof. The method comprises the steps of: obtaining a steering angle of a vehicle steering wheel; judging whether the steering angle of the vehicle steering wheel is within a preset steering range; and controlling a vehicle to run according to a preset speed which corresponds to the steering angle within the preset steering range when the steering angle is arranged within the preset steering angle range. In the embodiment of the invention, the vehicle is controlled to run according to the preset speed within the preset steering range when the steering angle of the vehicle steering wheel is arranged within the preset steering range, so that the vehicle can be accurately and timely controlled to run according to the preset speed on the basis of the steering angle and the road gradient when the vehicle is steered, and the danger when the vehicle steers at a overspeed can be avoided. In the embodiment of the invention, the vehicle running speed control method is simple and easy to realize, and can be effectively avoid the lateral turning or the lateral sliding when the vehicle steers, so that the safety of a driver and the vehicle can be guaranteed.

An apparatus for inserting particles (P) into a tissue (G), in particular a muscle tissue, wherein the apparatus (10) essentially represents a tubular body (7) with one closed end and comprises at least one sleeve (8), at least one positioning element (1), at least one outlet area (2), which extends over the entire circumference of the tubular body (7), at least one thrust means (4) for the particles (P), as well as an actuating device for the outlet area (2), and wherein the outlet area (2) is formed by a plurality of flexible elements (6), which are at least attached to the sleeve (8), which butts against the outlet area (2) in the axial direction, or the positioning element (1) in such a way, that in a tense condition the diameter of the outlet area (2) is larger than the diameter of the sleeve (8), and openings are present between the elements (6).

The invention relates to a goaf-side entry retaining arrangement process of mining of coal mines in a pit, in particular to a coal-pillar-free semi-normal-position goaf-side entry retaining method. The coal-pillar-free semi-normal-position goaf-side entry retaining method is characterized in that a semi-normal-position construction filling wall body is used on a entry retaining working face, one side of the edge of an isolation wall body is located at the position in a lateral wall portion of a recovery side of a roadway before mining for an A distance, and the other side of the edge of an isolation wall body is located in a goaf area. The coal-pillar-free semi-normal-position goaf-side entry retaining method enables one side of the filling wall body to be arranged in an original roadway, is easy in top connection, appropriately reduces entry retaining spans, is apt to reduce strata behavior degree, and is favorable for maintenance of entry retaining section size and integrity of a top plate.

The invention discloses a high-safety braking energy recovery system for an electric vehicle. The high-safety braking energy recovery system for the electric vehicle includes a motor braking system, atraditional hydraulic braking system and an auxiliary braking system. Based on the braking energy recovery system, a braking energy recovery method for electric vehicle is designed. According to a road attachment coefficient, a vehicle speed and an open degree of a braking pedal, the braking force of the front and rear wheels is allocated. Compared with the prior art, two front and back braking motors are used, and the distribution of feedback braking force can be regulated by a current regulator. The maximum braking energy recovery rate is guaranteed, at the same time, the stability of an automobile braking process is maintained, the vehicle side skidding or deviating are avoided, and the safety performance of the braking energy recovery is high.

The invention discloses a bus chassis articulated system for a urban bus rapid transit system and a working method thereof. The bus chassis articulated system consists of a turntable device, a hydraulic system and a system control unit ECU, wherein the turntable device comprises a turntable connected between a front turntable frame and a rear turntable frame; the central position of the turntable is movably connected with a mandril positioned in a vertical center line of the turntable; the upper free end of the mandril is connected with an articulated angle sensor; the hydraulic system comprises a left hydraulic cylinder, a right hydraulic cylinder, a hydraulic integrated block, a hydraulic pump and an oil tank which are arranged on the rear turntable frame and rotate together with the rear turntable frame; hydraulic arms of the left and right hydraulic cylinders are respectively sleeved with a cylindrical helical compression spring; front and rear cavities of the left and right hydraulic cylinders are in crossed connection and oil ways are communicated through the hydraulic integrated block; and the system control unit ECU comprises a microprocessor CPU. The bus chassis articulated system provides a larger torque during large-angle turning, realizes the self-locking function on the maximum articulated angle, and prevents a second axle from laterally sliding and front and rear bus bodies from shearing.

The invention discloses a chassis articulating system which is applicable to a rear engine large articulated bus. The chassis articulating system comprises three parts of a split truss structure, a hydraulic control system and an electric control unit, wherein the split truss structure mainly realizes the articulation of a front compartment and a back compartment of the large articulated bus; the hydraulic control system is mainly used for providing the damping force which is correspondingly increased along with the increase of a rotation angle of the front and the back compartments for the large articulated bus, thereby stopping the sideslip of a second bridge of tires during the turning of the large articulated bus and preventing the shear of the front and the back compartments; the electric control unit is mainly used for monitoring the status of the large articulated bus, controlling the on / off status of an electromagnetic valve and a throttle valve in the hydraulic control system and emitting an alarm signal. The invention has the advantages that each part of the split structure is mutually independent and interrelated, the requirements on the manufacturing process are lower, the manufacturing cost is low; the maintenance is convenient, the cost is low; the operation stability is good; the shock absorbing effect is good; the system strength is high and the load capacity is great.

The invention discloses a gravity center measurement instrument of a propeller blade with a variable screw pitch, which comprises a base, three pressure sensors and a chuck. The three pressure sensors are mutually in 120degree along the same peripheral direction and are symmetrically installed among the bottom surface of the chunk and the top surface of the base; and the center of a circle formed by the three sensors is on the axis of the chuck; and one of the three sensors can move up and down through a lifting system. The gravity center measurement instrument can reduce the guide rails and the position detection equipment and ensure the measurement accuracy and is applicable to propeller blades in various shapes.

The present invention includes a scalpel blade removal device with an opening in a wall defining a first blade guide, extending to a narrowing upward ramp bounded by left and right guide walls. A horizontal top ramp extends from the distal end of the upward ramp, bounded by left and right guide towers. A spring loaded notch device is adapted to lock behind a proximal end of a scalpel blade seated on a scalpel, where the scalpel is inserted in the opening and the blade edge is driven up the ramp to the top ramp. When the notch device is locked behind that end of the scalpel blade, the scalpel is pulled back, causing the scalpel blade to slide off the scalpel handle. A sharps container incorporates the removal device, a reinforced latch, a scalpel resting location, and needle cover removers.

The invention discloses a clamping head structure used for an industrial robot. The clamping head structure includes a mounting plate, a heat dissipation shield, a motor, a rotating rod, a baseplate,a top plate, screw rods, a hydraulic pump, a sleeving pipe, a clamping claw, movable rods, a rubber strip, a joint ball, a groove, an adjusting bolt, a turntable, a control handle, a threaded connector, a push rod, a fixing block, a connecting rod and a rotating shaft. The clamping head structure has the advantages that by forming the groove in the end, close to a claw tip, of the clamping claw, the two parallel movable rods are installed in the groove, and through the joint ball, the movable rods are connected with the adjusting bolt; the movable rods can be rotated through the adjusting bolt; when a clamping head is used for clamping a three-dimensional workpiece with large thickness, the movable rods can be rotated to the positions where the movable rods are parallel to the clamping claw, and therefore a sideslip problem can be effectively prevented from occurring on the tip part of the clamping claw and the workpiece when the clamping claw is used for clamping. When the tip part needs to be used for clamping, the movable rods are rotated to the positions where the movable rods are perpendicular to the clamping claw through the adjusting bolt. The clamping head structure has theadvantages of being convenient to adjust for clamping, detach and install.

The invention discloses a stair-climbing control method of a tracked mobile robot. The tracked mobile robot comprises a front wheel, a rear wheel and a track coating the front wheel and the rear wheel, and is characterized in that the front wheel is provided with a double-rod arm with a controllable rotating angle; the centre-of-gravity position of the tracked mobile robot is elevated step by step through adjusting the rotating angle of the double-rod arm to finish the climbing. The invention provides a step climbing control method which is suitable for a small-sized tracked mobile robot which is relatively small in size and cannot realize step self-climbing by a traditional control method. The new control method provided by the invention can realize the function that the small-sized tracked mobile robot climbs the stairs. During the process that the robot climbs the stairs, the robot realizes self control through a self carried sensor and can effectively avoid the time delay problem, and the control precision is improved.

The invention discloses a solar-energy electric power overhauling ladder and belongs to the field of electric power overhauling equipment. The solar-energy electric power overhauling ladder comprises grab rods (1), foot rests (2), a control cabinet (3), a solar cell panel (4), a hinge joint seat I (5), an electric telescopic rod I (6), a connecting plate (7), hinge joint seats II (8), two electric telescopic rods II (9), two embracing hoops (10), a top plate (12) and LED lamps (13). The solar cell panel (4) is arranged on the control cabinet (3), and storage batteries are arranged in the control cabinet (3). Two ends of the electric telescopic rod I (6) are connected with the connecting plate (7) and the foot rests (2), the top plate (12) and the hinge joint seats II (8) are arranged on the connecting plate (7), the two embracing hoops (10) are hinged to the hinge joint seats II (8), and two ends of the two electric telescopic rods II (9) are hinged to the side faces of the top plate (12) and the embracing hoops (10). The solar-energy electric power overhauling ladder can be prevented from sideslipping and sliding down when leaning against a telegraph pole, and is capable of lighting, simple and convenient to operate and capable of ensuring safety.

The invention provides an energy-saving vehicle braking device and method. The device comprises a transmission part, an output and input part and an accessory part, wherein the transmission part comprises a sun gear, a planetary gear, an inner gear, a power gear, a semi-axle shaft sleeve, a brake drum, a brake synchronizer, a release synchronizer, a front bearing and a rear bearing; the output and input part comprises a transmission shaft, an output and input gear, a transmission shaft front bearing, a transmission oil seal, an output and input gear key, a flat gasket, an output and input gear bolt, a front cover and a brake drum oil seal; the accessory part comprises a casing supporting a half shaft and a Hall wheel speed sensor. The energy-saving vehicle braking device is reasonable in structure design and is safe and reliable to use, the problems of energy waste, danger and high probability of damage to tires and pavements of an existing braking device adopting the friction principle are fundamentally solved, most energy in the braking process can be recovered and utilized, the drag slip and sideslip phenomena of a vehicle are prevented, and traffic safety is ensured.

Provided is an anti-slip crutch tip apparatus comprising: at least one vent opening, located on the side wall of a generally cylindrical section of a crutch tip body and extending into the tip body, so that the vent opening is surrounded by structure forming a portion of the generally cylindrical section of the tip body; and wherein the at least one vent opening is in physical communication with a portion of at least one channel formed into a surface contact portion of the tip body, so that an unbroken fissure in the tip body resides as a structural breach extending between the side-wall entrance of the at least one opening and the physically communicative association of the at least one vent opening with the portion of the at least one channel. A corresponding method of preventing slipping of a support device tip is also provided.

The invention discloses an anti-toppling outdoor display board and a using method thereof, belongs to the field of display equipment. The anti-toppling outdoor display board comprises a first strut. Asecond supporting column is inserted into the first supporting column. The second supporting column penetrates through the side wall of the upper end of the first supporting column and extends to theoutside. The first supporting column and the second supporting column are each of a hollow structure. The upper end of the second supporting column is fixedly connected with a display board frame. The gravity center of the display board can be lowered, to improve the stability of the display board, prevent the display board from being blown down. The fan blades are rotated by utilizing the blowing force of wind. The fan blades drive the winding drum to wind the pull rope through the driving shaft. The second supporting column retracts into the second supporting column, so that the gravity center of the display board is lowered, and stability is improved. When wind stops, the second supporting column is bounced up through elastic force of the compression spring, the display effect is prevented from being affected. In addition, the first supporting column is assisted and stabilized through the multiple supporting rods, and the stability of the first supporting column is improved.

Provided is an anti-slip crutch tip apparatus that includes at least one vent opening, located on the side wall of a generally cylindrical section of a crutch tip body and extending into the tip body, so that the vent opening is surrounded by structure forming a portion of the generally cylindrical section of the tip body The at least one vent opening is in physical communication with a portion of at least one channel formed into a surface contact portion of the tip body, so that an unbroken fissure in the tip body resides as a structural breach extending between the side-wall entrance of the at least one opening and the physically communicative association of the at least one vent opening with the portion of the at least one channel. A corresponding method of preventing slipping of a support device tip is also provided.

A combination gutter protector and safety device for use with a ladder which is leaned against the upper part of a structural wall that is equipped with a rain gutter under the eaves. The device is secured to the fascia board of the wall in a longitudinal plane adjacent to or substantially even with the plane of the open top of the gutter in such position that it protects the gutter against deformation when the ladder is put in place. The device also serves to provide a contained recess for holding the ladder against slippage and, if desired, locking the ladder against theft. The structure of the device accomplishes the above purposes without occupying any part of the channel of the gutter and thus does not interfere with the free flow of water, leaves and other debris in the channel of the gutter.

The invention discloses a three-channel ABS (anti-locked braking system) which is applied to a triaxial semitrailer. Gear rings and corresponding ABS wheel speed sensors are installed at vehicle wheel parts at two sides of a front axle, a middle axle and a rear axle of the triaxial semitrailer; the ABS wheel speed sensors are all connected to an ABS electric control unit; and the ABS electric control unit is connected with control units which are respectively used for controlling the air intake quantity of each vehicle wheel braking air chamber. According to the invention, through the installation of the gear rings and the wheel speed sensors at each vehicle wheel of each vehicle axle for the three-channel ABS, the ABS electric control unit accurately controls the braking air chamber of each vehicle axle in braking according to the received wheel speed information from each vehicle wheel, and the control is more accurate, vehicle wheel locking, side slipping and even tail whipping in braking can be prevented effectively, and the vehicle wheel abrasion is reduced obviously; and the ABS provided by the invention is compact in structure, is beneficial to prolonging the service life of the vehicle wheels, and guarantees the vehicle traveling safety.

The invention relates to a bionic photovoltaic cleaning vehicle. The bionic photovoltaic cleaning vehicle comprises a vehicle body, cleaning brushes and a driving device. The driving device is installed in the center of the bottom of the vehicle body. A liquid storage cavity is further wrapped outside the driving device and further communicates with a water inlet pipe and a liquid inlet pipe. The cleaning device comprises a set of parallel rolling wheels which are driven by a motor. The motor is controlled by a wireless controller. A crawler is installed between the rolling wheels. Sucking cups are equidistantly and densely distributed on the crawler. Each sucking cup comprises a cup face and a base. A piston block which can slide up and down along the inner wall of each base is movably installed in the corresponding base and made of permanent magnet materials. A ferromagnetic plate is further fixedly installed inside the driving device. The cleaning vehicle can be firmly adsorbed on the surface of a photovoltaic panel, sliding is effectively overcome, and meanwhile the panel surface of the photovoltaic panel can be thoroughly cleaned.

The invention belongs to the technical field of new material tire preparation, and relates to a preparation method of a graphene functional aviation tire. The technological process comprises the following five steps: preparing modified graphene, preparing compound tread rubber and sidewall rubber, preparing compound tread and sidewall, preparing a compound green tire and preparing an aviation tire. Based on specific functional characteristics of graphene material, on the basis of the modified graphene and a basic recipe of an aircraft tire in the prior art, 0.1 to 15 weight parts of modified graphene is added into the tread rubber and sidewall rubber separately, a plastic mixing and calendaring process is adopted, mould pressing bonding forming is carried out under high-temperature conditions with functional layers such as an air impervious liner, a buffer layer and a cord fabric according to a tire manufacturing basic technology, and finally the aviation tire is compositely prepared and obtained through subsequent fabrication processing of vulcanization; the technology is simple and practicable, the conventional production equipment is fundamentally utilized, large-scale technical transformation is not needed, the preparation method is applicable for the preparation of various types of aviation tires, and the preparation method is convenient for popularization and application.

The invention discloses a brake system of a vehicle, which comprises a power conversion part, a hydraulic control assembly and a brake part. The brake system of the vehicle is characterized that the power conversion part comprises a flange plate and a clutch for combining with an oil pump or separating the flange plate or from the oil pump; a swinging motor is driven by the oil pump via the hydraulic control assembly; and a brake shoe is driven by the swinging motor. According to the invention, the traditional technical scheme of braking through complete wheel lock is greatly improved and sideslip and drift of the vehicle caused by wheel lock are avoided. The braking shoe is driven to swing through soft hydraulic energy so that the braking shoe generates friction with the ground for braking; and the braking force of the braking shoe touching the ground in a slow swinging process is gradually increased to be well adapted to the speed of the vehicle so that the harmful trend of sideslipcaused by high speed and forced brake is effectively reduced.

The invention discloses a fork with a limiting mechanism, and belongs to the technical field of the fork; the fork comprises a fixing frame and forks, wherein the two forks are installed on the fixingframe; the forks form an L-shaped structure by vertical beams and cross beams; a threaded screw rod is horizontally arranged in the fixing frame; one end of the threaded screw rod is rotatioanlly connected with one side wall of the fixing frame through a bearing; the other end of the threaded screw rod passes through the fixing frame and is provided with an adjusting rocker; and a guide rod is arranged below the threaded screw rod. By installing the threaded screw rod and the guide rod in the fixing frame, two forks are installed on the outer walls of the threaded screw rod and the guide rodthrough a first sliding base and a second sliding base, the threaded screw rod is controlled to rotate through the adjusting rocker; during the rotating process of the threaded screw rod, screw rod teeth in the first sliding base convert the rotary motion of the first sliding base into a linear motion along the guide rod, so as to adjust the distance between the two forks, adapt to fork placementof goods with different sizes, and being more convenient to use.

Disclosed is a multifunctional trail-type potato combine harvester. The multifunctional trail-type potato combine harvester is characterized by comprising a harvesting machine frame [1], a digging shovel [4], a lifting conveyer belt [7], a separation machine frame [59], a stretchy connector [36], a vertical elevator [37], a three-item plug board sliding channel bucket [38], a sub machine box [46], an externally-hanging folding conveyer belt [39], a potato collection box [31], a diesel engine [23], a gear pump [24], a distributor [18], a hydraulic motor [33] and the like. The multifunctional trail-type potato combine harvester is used for harvesting potatoes, and meanwhile most stone impurities on the surface layer of farmland can be picked out; manual work is saved, mechanical operation is achieved, and the working efficiency is high; the function is complete. By means of the multifunctional trail-type potato combine harvester, the functions of digging, impurity separating, impurity collecting, potato classifying, bagging, side-output truck loading joint operation, placing and stacking and the like can be achieved at one time, and thus one harvester can achieve multiple purposes. When being not used for harvesting potatoes, the multifunctional trail-type potato combine harvester can be used for conducting the soil sanitation operation alone before spring sowing and after autumn harvest. Independent power output can be achieved. After entering the harvester, the potatoes can not make contact with a chain, and therefore the defects that the length of the chain is increased so that soil leakage can happen and the chain is forcibly vibrated by an eccentric gear so that potato skin can be damaged are overcome.

The invention provides a high-altitude operation ladder capable of preventing slip and sideway falling and giving an alarm in a dangerous case. The high-altitude operation ladder comprises two vertical ladder poles, the two vertical ladder poles are connected by a plurality of parallel cross ladder rods, and every cross ladder rod is a telescopic structure capable of changing the width of the ladder in order to increase the gravity center bearing area of the ladder, so the ladder can be transversely telescoped and widened as needed to increase the transverse projection distance of the ladder,increase the gravity center bearing area of the ladder and prevent the sideway falling of the ladder; a rotary wedge-shaped anti-slip pad for increasing the friction force between the ladder and the ground to prevent the ladder from sliding downwards is arranged at the lower end of every vertical ladder pole, so the friction coefficient with the ground is increased, and the ladder is effectively prevented from sliding downward; and a level gauge warning device capable of detecting the lateral and front-back tilt angle of the ladder and giving an alarm is arranged in the lower inner chamber ofone of the vertical ladder poles, and can give the alarm when the lateral tilt angle of the ladder is more than or equal to 15 DEG and the front-back tilt angle of the ladder is less than or equal to60 DEG in order to timely provide a safety warning for construction personnel in time.

The invention provides a CRTS III type slab ballastless track self-compacting concrete casting tooling and method. The casting tooling comprises a base slab, a track slab, a transferring hopper, a casting funnel, a slurry blocking template, a three-dimensional fine regulator, a track slab pressing device, a track slab lateral sliding preventing device and a slurry blocking template pressing device. The middle casting mode is changed into the lateral surface casting, and the problems of casting efficiency and air exhaust in the CRTS III type slab ballastless track construction are solved. The track slab lateral sliding preventing device, the track slab pressing device and the slurry blocking template pressing device effectively solve the problems of upward floating, lateral sliding and slurry leakage of the track slab in the casting process, so the fine regulation and the casting construction of the CRTS III type slab ballastless track are more convenient and fast, and the casting quality is better. The construction process has the advantages that in the use process, the weight is light, the rigidity is high, the efficiency is high, the operation is simple and convenient, the work intensity is low, and the construction process can adapt to the construction of road segments such as bridges, tunnels and roadbeds.

The invention provides a vertical take-off unmanned aerial vehicle auxiliary take-off system. A vertical speed threshold, an accelerator and time proportionality coefficient and the hovering height after successful take-off of an unmanned aerial vehicle are stored in a storage unit, an acquisition unit can acquire the vertical speed of the unmanned aerial vehicle, a comparison unit can compare the vertical speed with the threshold, and a micro-control unit controls rotary wings producing lifting force to be started according to a take-off signal, controls the accelerator to proportionally increase along with time according to the proportionality coefficient and controls stop of increasing of the accelerator according to the comparison result of the comparison unit so that the unmanned aerial vehicle is enabled to rapidly acquire the vertical speed to leave the ground in a short period of time. Therefore, the unmanned aerial vehicle is enabled to rapidly and safely take off in the severe environment, and side slipping and side turning can be avoided when the unmanned aerial vehicle leaves the ground by application of the vertical take-off unmanned aerial vehicle auxiliary take-off system so that operation of the unmanned aerial vehicle is enabled easier.

The invention relates to the technical field of environmental protection and provides a recovery device for medical infusion equipment and a recovery processing process method thereof. The recovery device comprises sterilizing equipment, a manual sorting table, non-PP plastic recovering equipment and PP plastic recovering equipment, wherein the manual sorting table is connected to all the equipment; the non-PP plastic recovering equipment comprises a first feeding machine, a first crushing machine, a first friction cleaning machine, a first rinsing machine, a first dehydrator and a first granulating machine, wherein the first feeding machine, the first crushing machine, the first friction cleaning machine, the first rinsing machine, the first dehydrator and the first granulating machine are sequentially connected, and the first crushing machine is connected to the manual sorting table; the PP plastic recovering equipment comprises a second feeding machine, a second crushing machine, a second friction cleaning machine, a third friction cleaning machine, a second rinsing machine, a second dehydrator and a second granulating machine, wherein the second feeding machine, the second crushing machine, the second friction cleaning machine, the third friction cleaning machine, the second rinsing machine, the second dehydrator and the second granulating machine are sequentially connected, and the second crushing machine is connected to the manual sorting table. The recovery device can safely and reliably separate glass, polypropylene plastic and non-polypropylene plastic, can sterilize, clean and recycle the glass, the polypropylene plastic and the non-polypropylene plastic, is safer and more reliable to use, saves resources, is more eco-friendly and realizes resource recycling.