30results about How to "Avoid fast" patented technology

The present invention discloses a direction and speed control device of an electric wheelchair, comprising a base installed at the electric wheelchair, a rocker unit which is arranged at the base and is provided with a freely rotary rod body, a first gravity direction sensor which is arranged at the rod body and is provided with a three-dimensional voltage value and a second gravity direction sensor which is arranged under the bottom interval of the rod body and also is provided with the three-dimensional voltage value. In the present invention, the first control unit is used to sense the three-dimensional voltage values of the first gravity direction sensor and the second gravity direction sensor at any moment and calculates to produce a control signal to control the electric wheelchair to run and turn; at the same time, when the wheelchair climbs a slope or goes down the slope, proper power can all be controlled to be provided, which further more ensures that the electric wheelchair can also maintains proper speed and keeps the whole stability when moving on uneven bumpy ground.

The invention discloses a sulfuric acid delinting machine. The sulfuric acid delinting machine comprises an electric motor and a container for containing materials. The electric motor, namely a motorrotating forwardly and backwardly, is connected with a control device through a wire, and the control device is connected with a turning switch and a power switch through wires. An output shaft gear of the electric motor is meshed with a reduction gear, and the reduction gear drives a stirring rod to rotate. The electric motor and the reduction gear are mounted at the top of the container, and thestirring rod extends into the container. The container is provided with an inlet for feeding and an outlet for discharging. The simple, economical and durable sulfuric acid delinting machine is simple and convenient to operate, and can stir the materials alternately in the forward and backward directions to achieve uniform stirring; the reduction gear can effectively control the rotation speed ofthe stirring rod, ultrahigh speed is avoided, and the seed breaking rate is reduced; the sulfuric acid delinting machine is convenient to wash, and has a wide applicable treatment range and a low manufacturing cost.

The present invention discloses a servounit capable of making body ascend stairs or descend stairs, belonging to the field of loading and unloading machine technology. Said servounit can be self-supported on a specific zone, and is formed from upper guide track and lower guide track. Its upper guide track mainly includes upper guide track channel, several movable stoppers and upper guide track pad, and its lower guide track mainly includes lower guide track channel, several movable rollers and lower guide track pad. Besides, said invention also provides its concrete working principle and operation method.

The invention discloses an adjustable supporting table of a precision gear machining tool. A table body is arranged on the bottom of a supporting table body, chutes are formed in two sides of the inside of the table body, a strut is mounted in each chute, a rack is mounted on the inner side of each strut, one side of each rack is connected with a first gear in an engaged manner, reels are mountedon the two sides of each first gear, a pull rope is arranged on the outer side of each reel in a winding manner, the bottom end of each pull rope is fixedly connected with a cross plate, an electric push rod is mounted in the middle of the bottom of each cross plate, an adjusting box is mounted on the top of each strut, slide ways are arranged on two sides of the adjusting box, a pulley is mountedin each slide way, a working table plate is mounted on the top of each pulley, barrel grooves are formed in two ends of the two sides of each working table plate; and a telescopic rod is mounted in each barrel groove. Each barrel groove is fixedly connected with the corresponding telescopic rod through a fixing knob, the adjustable supporting table of the precision gear machining tool is simple to operate and convenient to use, a lengthened plate can be fixed, the length of the lengthened plate is adjusted favorably as needed, the machining space of the supporting table body is expanded, andthe load of workers is relieved.

The invention discloses a feeding bin for an X-ray machine. The feeding bin has a feeding port and a feeding port. The outside of the feeding bin is a square, and a fixed block is arranged on the On the top of the outer surface where the outlet is located, a baffle is fixed directly above the discharge port, and two waist-shaped holes are opened on the left and right sides of the baffle, and each waist-shaped hole passes through each of the bolts Fix the baffle on the fixing block. Beneficial effects of the present invention: the discharge speed can be better controlled to avoid excessive discharge speed, and the X-ray machine can be better sensed, so that the dehydrated vegetables can be screened better, ensuring the hygiene of food Safety.

The invention relates to an electric playmobile with the shaking function for children. The electric playmobile with the shaking function for the children is equipped with a buffering mechanism which can prevent an upper plate from falling off at an excessively fast speed, namely, the upper plate can lower down only after overcoming the acting force of the buffering mechanism, and therefore, the upper plate is driven through a shaking motor when the upper plate falls off, the stability of the upper plate during shaking can be improved, and as a result, the safety of the playmobile in use can be improved.

The embodiment of the invention provides a scheme grouping method and device, a data grouping method and device, equipment and a storage medium, and relates to the technical field of computer application. The method comprises the following steps: for each to-be-grouped scheme in an initial scheme set, testing the to-be-grouped scheme by utilizing a target data set to obtain a target test result, and analyzing the target test result to obtain a first test result of the to-be-grouped scheme; and according to the first test result corresponding to each to-be-grouped scheme in the initial scheme set, selecting at least one to-be-grouped scheme from the initial scheme set to form a target scheme set corresponding to the target category. According to the embodiment of the invention, the target objects can be grouped flexibly and accurately, and the accurate settlement scheme is determined according to the grouping result.

The invention discloses a steam valve, an upper cover assembly of a cooking appliance and the cooking appliance. The steam valve is installed in a mounting cavity of the cooking appliance and providedwith a valve air inlet and a valve air outlet which are formed in the two ends of the steam valve in the horizontal direction respectively, the valve air inlet is communicated with a pot body of thecooking appliance, and the valve air outlet is in sealed communication with an air outlet passage of the cooking appliance; an inner cavity of the steam valve is provided with a flow baffle extendingup and down, and the flow baffle is located between the valve air inlet and the valve air outlet. According to the technical scheme, through arrangement of the flow baffle in the inner cavity of the steam valve, a flow path of steam flowing through the steam valve is increased, and the situation that rice grains in the cooking appliance are brought out when the steam is discharged from the cookingappliance too fast is avoided; moreover, the retention time of the steam in the steam valve is also prolonged, and water vapor in the steam is partially cooled and flows back into the pot body.

The invention discloses an intelligent guiding device for rapid traffic dispersion and rescue vehicle avoidance in emergency. The guiding device comprises a server, and an avoidance guiding terminal,an emergency vehicle terminal and an emergency command terminal connected to the server; an instruction of the emergency command terminal is sent to the avoidance guiding terminal and the emergency vehicle terminal via the server; the avoidance guiding terminal can be installed in combination with a public light pole, a bus stop board or a road name plate; and the emergency vehicle terminal is arranged in an emergency rescue vehicle. When the emergency rescue vehicle departs, rapid traffic dispersion can be carried out on roads that the vehicle passes, all other vehicles can avoid the rescue vehicle by themselves, the emergency rescue efficiency is improved, and normal public traffic is recovered when the emergency rescue vehicle passes.

The invention discloses a transportation device for packing artistic products. The problem that the artistic products are prone to being damaged in the process of transportation is mainly solved. Thetransportation device includes a top beam, a first motor, a lead screw, a transmission plate, transmission blocks, threaded holes, air cylinders, an outer frame, an inner frame, a second motor, a traction wheel, a driving belt, a rope ring, a traction rope, wheel frames, upper guiding pulleys, lower guiding pulleys, splints, rope grooves, first springs, a transportation platform, a supporting rod,a buffer groove, a buffer blocking plate, second springs, a transportation wheel, a third motor, a conveyor belt, a transportation box, a movable blocking plate, a third spring and cushions. According to the transportation device for packing the artistic products, the fact that the artistic products are damaged in the process of transportation is effectively avoided, and the characteristics thatoperation is easy, transportation is convenient, safety and reliability are achieved, and the products are not prone to being damaged are achieved.

The invention belongs to the technical field of thin film capacitor winding, and particularly relates to a brand new working mode integrating material receiving, chambering, flattening and arranging, which comprises a winding mechanism, a conveying assembly, a flattening mechanism, a chambering mechanism, a first core pushing mechanism and a second core pushing mechanism, the winding mechanism, the conveying assembly, the flattening mechanism and the first core pushing mechanism are all mounted on a substrate, and the conveying assembly is mounted on the substrate. The first core pushing mechanism is fixed on the conveying assembly, the second core pushing mechanism is fixed on the conveying assembly, the reaming mechanism is located above the first core pushing mechanism, the flattening mechanism is located above the reaming mechanism, a finished product arrangement frame is arranged on one side of the conveying assembly, and a rotating shaft of a belt pulley is connected to external power driving equipment. According to the working mode, moving and transferring between the mechanisms can be reduced, the production efficiency is improved, excessive manual debugging can be avoided after production specifications are replaced, automatic adjustment and adaptation can be achieved, and manual labor is reduced.

The invention discloses a crusher rack convenient to disassemble and assemble. The crusher rack comprises a rack shell, the rack shell comprises an upper rack body and a lower rack body, and an auxiliary disassembling and assembling assembly is arranged at the joint of the upper rack body and the lower rack body. The auxiliary disassembling and assembling assembly comprises a driving part, a punching rod is arranged on the driving part, separating inclined blocks located on the joint face of the upper rack body and the lower rack body are arranged on the two sides of the punching rod, and the separating inclined blocks can move in the radial direction of the rack shell. By arranging the auxiliary disassembling and assembling assembly between the upper rack body and the lower rack body, it is guaranteed that during disassembling, the joint face of the rack bodies can be laterally cut through the separating inclined blocks, the cold welding phenomenon caused by metal atom diffusion is avoided, and disassembling of the crusher rack bodies is facilitated.

The invention provides a moving robot force control algorithm based on an inertia module. The attitude angle of a robot is acquired through the inertia module installed on the waist of the robot, the speed of the robot is judged according to the acquired attitude angle, and the speed is transmitted to the robot to control motion of the robot. According to the moving robot force control algorithm, the magnitude and direction of external force can be judged through a low-cost spring and inertia device module, accordingly, the intention of a person is identified, and external force control is achieved; in the relational mapping process of the robot inclination angle changes measured by an inertia device to speeds, the inherent damped oscillation of the spring is effectively eliminated by adopting a judgment method of combining the historical and current states of the robot; in the process of converting the robot inclination angle measured by the inertia device into speed relational mapping, kinematics limitation is added, and the speed of the robot is limited within a range; and on one hand, misjudgment of spring shaking during moving is avoided, on the other hand, the situation that the speed is too high due to the fact that deformation of the spring relatively small in rigidity is too large is avoided.

The invention relates to the technical field of leather processing and discloses a leather surface cleaning device for leather product production. The leather surface cleaning device comprises a device body, wherein a speed reducing wheel, a rotating wheel, an inner gear, a cleaning pool and a roller are arranged in the device body; a connecting shaft is fixedly installed above the speed reducingwheel; a connecting rod is movably installed at the end, away from the rotating wheel, of the connecting shaft; a rotating wheel is movably connected to the end, away from the connecting shaft, of theconnecting rod; and clamping blocks are arranged out of the rotating wheel. According to leather surface cleaning device for leather product production in the invention, a motor drives the rotating wheel to rotate, thereby driving the speed reducing wheel to rotate slowly; the rotating wheel is driven to rotate through the connecting shaft and the connecting rod, and the clamping blocks on the rotating wheel move in a sliding frame so as to drive the sliding frame to move left and right; so a cleaning strip is driven to clean the surface of a leather product. Through deceleration of the device, the surface of the leather product is better cleaned; the situation of poor cleaning effect caused by a too fast speed is prevented; and practicability of the device is improved.

The invention relates to a building reserved steel bar cut off device, and discloses a device which sleeves a reserved steel bar and cuts off the reserved steel bar through combined action of cuttingand pull up force of a cutter. The device is characterized in that multiple sliding grooves are formed in the outer side of a fixed tube at equal intervals, a connected sleeve sleeves one end of the fixed tube, multiple guide blocks are arranged on the inner wall of the connecting sleeve at equal intervals and each arranged at one end of the corresponding sliding groove, the two ends of a gear sleeve are arranged on the connecting sleeve through fixed bearings, a guide groove is formed in the outer side of the gear sleeve and shaped like an arc, the height is decreased gradually from one end to another end, a rotary disc sleeves one end of the gear sleeve, a rotating groove is formed in the bottom of the rotary disc, a cutter head is arranged at one end of the connecting sleeve and arranged in the rotating groove, four through holes are formed in the cutter head, four sliding plates are arranged, one end of each sliding plate is arranged in a corresponding wave peak of the rotating groove, a sliding block is arranged at one end of each sliding plate, and the cut off efficiency of the reserved steel bar can be effectively improved.

The invention relates to the technical field of leather processing, and discloses a leather surface cleaning device for leather product production, which includes a body, and the inside of the body is provided with a reduction wheel, a rotating wheel, an internal gear, a cleaning pool and rollers, and the reduction wheel A connecting shaft is fixedly installed on the top of the connecting shaft, and a connecting rod is movably installed at one end of the connecting shaft far away from the running wheel. The end of the connecting rod far away from the connecting shaft is movably connected with the running wheel. The leather surface cleaning device used in the production of leather products drives the rotating wheel to rotate through the motor, drives the deceleration wheel to rotate slowly, thereby drives the rotating wheel to rotate through the connecting shaft and the connecting rod, and moves the block on the rotating wheel inside the sliding frame to drive The sliding frame moves left and right, thereby driving the cleaning bar to clean the surface of the leather product, and reducing the speed of the device to better clean the leather surface, preventing the speed from being too fast and poor cleaning effect, thereby improving the practicability of the device.

The invention provides a moving robot force control algorithm based on an inertia module. The attitude angle of a robot is acquired through the inertia module installed on the waist of the robot, the speed of the robot is judged according to the acquired attitude angle, and the speed is transmitted to the robot to control motion of the robot. According to the moving robot force control algorithm, the magnitude and direction of external force can be judged through a low-cost spring and inertia device module, accordingly, the intention of a person is identified, and external force control is achieved; in the relational mapping process of the robot inclination angle changes measured by an inertia device to speeds, the inherent damped oscillation of the spring is effectively eliminated by adopting a judgment method of combining the historical and current states of the robot; in the process of converting the robot inclination angle measured by the inertia device into speed relational mapping, kinematics limitation is added, and the speed of the robot is limited within a range; and on one hand, misjudgment of spring shaking during moving is avoided, on the other hand, the situation that the speed is too high due to the fact that deformation of the spring relatively small in rigidity is too large is avoided.

The invention relates to the field of construction technology, and discloses a construction site transport device based on elastic force-assisted climbing stairs, including a storage platform, the front of the storage platform is fixedly connected with a baffle plate, and the rear side of the bottom of the storage platform is rotatably connected There are rollers, and a shrinking device is fixedly installed on the lower side of the front of the baffle, and a bouncing frame is movably connected inside the shrinking device, the bottom of the baffle is rotatably connected to a rotating shaft, and the outer wall of the rotating shaft is provided with a connecting frame, The end of the rotating shaft is provided with a stopper. The construction site handling device based on elastic assisted stair climbing, when it needs to shrink, touches the foot switch with the foot, thereby driving the foot switch to squeeze the limit rod to the left, thereby driving the limit rod to return to the original position, To complete the contraction function of the jumping frame, when climbing stairs, it is necessary to apply an upward pulling force to the pull plate, so as to drive the three-legged stair climbing wheel to contact the stairs to climb the stairs, saving the physical strength of the workers.

The invention belongs to the technical field of bathroom accessory, and particularly relates to an intelligent closetool. The intelligent closetool comprises an instant thermal module, wherein the instant thermal module comprises a closetool body, the closetool body is internally provided with a hot water passage, one end of the hot water passage is provided with a drain valve, the other end of the hot water passage is connected to a water inlet pipe, the hot water passage is also communicated with a hot water outlet, the drain valve comprises a first valve seat blocking off one end of the hotwater passage, a valve rod mounting hole is formed in the first valve seat, a first valve rod is arranged in the valve rod mounting hole, the two ends of the first valve rod both extend out of the valve rod mounting hole, the inner end of the first valve rod is located in the hot water passage, the inner end of the first valve rod is provided with a limit convex edge, the outer end of the first valve rod is provided with a spring seat, the first valve rod is sleeved with a spring, a lever is hinged on the closetool body, a push rod is further arranged on a base, the push rod under the actionof the external force makes the upper end of the lever jack up the first valve rod to switch on the drain valve; the remaining hot water in the closetool body can be timely discharged through the pushrod and the drain valve, a user can be prevented from being scalded, and the use safety is improved.

The present invention discloses a direction and speed control device of an electric wheelchair, comprising a base installed at the electric wheelchair, a rocker unit which is arranged at the base and is provided with a freely rotary rod body, a first gravity direction sensor which is arranged at the rod body and is provided with a three-dimensional voltage value and a second gravity direction sensor which is arranged under the bottom interval of the rod body and also is provided with the three-dimensional voltage value. In the present invention, the first control unit is used to sense the three-dimensional voltage values of the first gravity direction sensor and the second gravity direction sensor at any moment and calculates to produce a control signal to control the electric wheelchair to run and turn; at the same time, when the wheelchair climbs a slope or goes down the slope, proper power can all be controlled to be provided, which further more ensures that the electric wheelchaircan also maintains proper speed and keeps the whole stability when moving on uneven bumpy ground.

The invention relates to a drop bar brake mechanism for a trailer, and relates to the technical field of special vehicles. A drop rod brake mechanism for a trailer of the present invention, by installing a draw rod assembly, a base assembly, and a drop rod brake assembly, can realize the drop rod brake function when manpower traction suddenly brakes or decelerates to avoid excessive speed Fast and eliminate potential safety hazards; at the same time, by installing the traction rod to assist the spring to self-balance the self-weight of the traction rod assembly, it is convenient for manual operation and saves time and effort.

The invention relates to an electric playmobile with the shaking function for children. The electric playmobile with the shaking function for the children is equipped with a buffering mechanism which can prevent an upper plate from falling off at an excessively fast speed, namely, the upper plate can lower down only after overcoming the acting force of the buffering mechanism, and therefore, the upper plate is driven through a shaking motor when the upper plate falls off, the stability of the upper plate during shaking can be improved, and as a result, the safety of the playmobile in use can be improved.

The invention discloses a trolley capable of automatically braking. The trolley comprises a vehicle body, and a first rotating shaft and a second rotating shaft penetrate through the bottom of the vehicle body; wheels are fixedly arranged on the first rotating shaft and the second rotating shaft; a brake device is arranged on the first rotating shaft; and a control device for automatically brakingthe trolley when a front-back moving speed of the trolley is too high is arranged on the second rotating shaft. In the invention, a situation that the speed is too high when a worker uses the trolleycan be prevented, the trolley can automatically brake when the speed of the trolley is too high, and the trolley is simple in structure, high in practicability and worthy of wide popularization.

The invention provides a sliding ditch device for building construction, which belongs to the construction field and includes a fixed bottom plate; the left and right sides of the fixed bottom plate are vertically pierced with tapered rods at the front and rear ends; the left and right sides of the lower end surface of the fixed bottom plate are horizontally attached A rubber anti-skid pad is fixedly connected; the upper side of the fixed base plate is horizontally provided with a movable base plate, and the center of the lower end surface of the movable base plate is connected to the fixed base plate through a rotating shaft; the upper left side of the movable base plate is vertically fixed with a threaded rod The fixed bottom plate of the present invention is used to straddle the gully, and is fixed by the cone rod drilled into the soil to prevent offset sliding; the smashing board is convenient for the installer to smash the cone rod into the soil ground with a hammer; the rubber anti-skid pad is used In order to increase the friction force of the bottom surface on the left and right sides of the lower end surface of the fixed bottom plate, it is convenient for the fixed bottom plate to be stable when it is placed on the cement brick ground on both sides of the gully; the connecting plate slides up and down along the threaded rod; turn the nut along the threaded rod until it is fixed position, thereby securing the connecting plate.

The present invention relates to a liquid single serving composition comprising a cereal component, a dairy component, a fruit component and an additional soluble fibre and to a process of making such composition. The invention also relates to the use of the composition for providing nutrition to a child in the morning and its use for preventing a child from fasting in the morning.

The invention discloses a detachable rolling sinking type open caisson structure and a process method, and belongs to the technical field of open caisson engineering. According to the technical scheme, the detachable rolling sinking type open caisson structure comprises an open caisson formed by pouring an upper open caisson section and a lower open caisson section, wherein a plurality of rolling devices detachably connected with the open caisson are arranged in the circumferential direction of the open caisson at intervals, each rolling device comprises at least two vertical plates attached to the outer wall of the open caisson, and a plurality of rotating rollers which are parallel to one another and distributed on the outer side of the lower open caisson section are connected between the adjacent vertical plates. According to the detachable rolling sinking type open caisson structure and the process method, the detachable rolling devices are arranged on the outer side wall of the lower open caisson section, so that the side resistance in the whole open caisson sinking process is reduced; and the pot-shaped excavation mode is matched, so that the speed of the open caisson during initial sinking is prevented from being too high, and the controllability of construction is improved.

The invention discloses an intelligent active avoidance control system of an automobile, which comprises an active avoidance system, a master control system, an avoidance driving system, an environment real-time monitoring system and an automobile body real-time monitoring system are arranged on the active avoidance system, and the environment real-time monitoring system detects various dynamic and static data outside an automobile body in the driving process of the automobile. Meanwhile, the vehicle body real-time monitoring system detects the state of the vehicle body in the driving process in real time, the main control system calculates the received data in real time, compares and analyzes the calculated data, and finally obtains data needing to adjust the vehicle according to the calculated and compared data. According to the active avoidance system, the data, needing to be adjusted, of the vehicle body are finally sent to the avoidance driving system, the avoidance driving system adjusts and controls the vehicle according to the received data needing to be adjusted, and the active avoidance system enables the vehicle to rapidly avoid within the shortest time according to the monitored data by monitoring external high-end precision real-time data.

The invention relates to the technical field of electronic products, and discloses an electronic product processing raw material stirrer stall adjusting device which comprises an equipment shell and a stirring shaft, the stirring shaft is movably connected into the equipment shell, a speed measuring assembly is fixedly connected into the stirring shaft, and a speed adjusting assembly is fixedly connected to the outer side of the stirring shaft. A first electromagnet is fixedly connected into the equipment shell, and a second electromagnet is fixedly connected into the equipment shell. According to the raw material stirrer stall adjusting device for electronic product processing, when the speed of a stirring shaft is too high, centrifugal force borne by a dielectric plate is too large, the dielectric plate moves outwards along a movable groove, so that a piezoelectric crystal is extruded, current generated by the piezoelectric crystal enables a first electromagnet to be electrified to have magnetism, and a magnet push block extrudes a hydraulic oil bag; hydraulic oil is input into the hydraulic sealing shell from the oil inlet path on the left side, so that the speed regulating shaft is driven to rotate clockwise, the stirring shaft is subjected to resistance, the speed is slowed down, and the speed is prevented from being too high.