77results about How to "Easy to turn around" patented technology

The invention discloses an automobile automatic steering device comprising a hydraulic jack, a turnplate, a rotating shaft and a plurality of remote control modules. The whole vehicle is elevated to be separated from the ground by the hydraulic jack, and then the vehicle is lifted and rotated to the required direction through the turnplate at the upper end of the hydraulic jack, and the vehicle is steered in such a manner; the hydraulic jack resets after the vehicle is steered, and the vehicle can normally run. The automobile automatic steering device can avoid the abuse that the vehicle can not be steered due to the insufficient space by adopting the traditional steering mode, also avoid the unnecessary friction and crash of a new driver when in steering, make the driver more convenient and freer when in steering, meanwhile also facilitate the driver to better parking the vehicle to a parking space in the limited space and has the advantages of higher safety, strong practicability, higher reliability and low batch production cost.

The invention discloses a walking type electric green vegetable harvesting machine. The walking type electric green vegetable harvesting machine comprises a conveyor frame assembly, a rack assembly, a cutting assembly, height limiting adjustment assemblies and a reel assembly, wherein the rear end of the conveyor frame assembly is fixed above the rack assembly through a supporting rod and a pin shaft; the front end of the conveyor frame assembly is connected with the cutting assembly; the height limiting adjustment assemblies are mounted at left and right sides of the conveyor frame assembly; the reel assembly is mounted at the front end of the cutting assembly; and the rack assembly comprises a rack, electric jacks, an electric walking part, front wheels, a lithium battery pack, a supporting rod, a vegetable basket frame, an electric control box, tail wheels, an armrest and a brake handle. By adopting the walking type electric green vegetable harvesting machine, lithium batteries are used for supplying power and the walking type electric green vegetable harvesting machine is purely electrically driven and has the characteristics of walking and cutting, conveying cut green vegetables into a vegetable collection basket and the like, so that the production efficiency is high; secondly, the walking type electric green vegetable harvesting machine has the advantages of simple and convenient structure, simplicity in operation, no waste gas emission and noises, environment pollution and no pollution and convenience for swerving and turning around.

The invention discloses a blasting compaction method for treating closure section. The blasting compaction method for treating closure section comprises the following steps: firstly, choosing position of the closure section which is a linear section and sludge is shallow inside the closure section, and the whole closure section is in a range controlled by a same cross-section diagram; then adopting the blasting compaction technology to construct a small dike on the closure section, a dike body of the small dike is gradually propelled and widened by one side, close to land field, of the closure section towards one side, close to open sea, of the closure section, the propelling direction of the small dike is vertical to a dike axis of a main dike, and the dike body of the small dike is propelled and widened until the small dike becomes one part of the main dike after a smooth transition and closure of the main dike is achieved. The blasting compaction method for treating closure section has the advantages that the sludge in the diking process is provided with a new outlet, the blasting and compaction technology can be ensured to implement, the blasting compaction technology is adopted to treat the closure section in the diking process, construction time can be effectively saved, construction cost can be lowered, and constructing stones can be saved by 40 percents compared with a direct riprapping method adopted by an existing closure section.

The invention relates to a commercial vehicle tail anti-collision device, and discloses a commercial vehicle active control anti-collision mechanism for protecting passengers and vehicles on multiple angles. The mechanism has multiple anti-collision functions, and can actively control the mechanism parameter to reduce the collision harm to vehicles and passengers. The impact energy of the vehicle in rear-end collision is absorbed by mating reaction of a spring and a damper, the collisions at different positions are actively controlled, thereby reducing the damage of vehicles and passengers by the vehicle rear-end collision accident; meanwhile, a camera and a radar mounted on the mechanism can actively control the spring damper through an electric control mechanism, and lighten the harm caused by collision greatly through actively adjusting the parameters of the spring and the damper; moreover, multiple driving modes can be used for realizing the mated work of the radar and the camera, thereby protecting passengers, in particular to children, buildings, and vehicles, and realizing the safe driving.

The invention relates to a steering system of a rice transplanter. The steering system comprises a hydraulic system and a steering control system, wherein the hydraulic system comprises a power element, executing elements, and a control element; the power source is an engine; the power element of the hydraulic system is a hydraulic pump; the executing elements are four single-acting hydraulic cylinders which are separately mounted on the inner side of each of four wheels, and can separately control the rotating angle of the four wheels; the control element comprises three-position four-way electromagnetic proportion reversing valves, and the three-position four-way electromagnetic proportion reversing valves control the size of an electric current of a ratio electromagnet of each of the three-position four-way electromagnetic proportion reversing valves so as to adjust the opening degree of the corresponding reversing valve in a stepless manner; the steering control system mainly comprises a central controller and angle sensors, wherein the angle of a corresponding wheel and the flow direction of oil fluid of the hydraulic system are adjusted by the central controller according to a selected steering mode, and relationships between every two steering angles of the each of the wheels are calculated according to the different steering modes; and the angle sensors are separately mounted on the inner side of the corresponding wheel, and during steering, the steering angles of the wheels are measured by the corresponding angle sensor, and are fed back to the central controller to eliminate deviation of the steering angles continuously.

The invention discloses a potty driving device. The device comprises a potty and a control mechanism, and a potty bed is provided with a potty opening; the control mechanism comprises a potty support,and the potty is placed on a potty support; the potty support is hinged to the bottom of the potty bed through a deflection connecting rod mechanism and located on one side of the potty opening, andthe other side of the potty opening is provided with a deflection support; the upper end of the deflection support is hinged to the bottom of the potty bed, a plugging plate is arranged on the deflection support, and a driving connection rod is hinged between the deflection support and the deflection connection rod; a deflection power device is installed at the bottom of the potty bed. The drivingdevice can drive the potty to be accurately matched with the potty opening, the potty and the plugging plate are linked, and actions are simple. Besides, the invention further discloses the potty bedusing the driving device. The potty driving device is used on the potty bed and can drive the potty to be accurately matched with the potty opening, the plugging plate is switched while the potty moves, and the actions are simpler.

The invention discloses a plate type garage capable of rotating automatically and circulating vertically. The plate type garage capable of rotating automatically and circulating vertically comprises a garage framework and a plurality of hanging baskets for bearing automobiles, and further comprises an intelligent control system, a big circulating chain, a transmission system, a balance guiding system and a rotary jacking mechanism, wherein the transmission system is connected with the intelligent control system, the rotary jacking mechanism is used for the rotation and turnaround of the automobiles, the hanging baskets are arranged at two sides of the middle part of a garage framework respectively, the transmission system is arranged in the middle part of the garage framework, the garage framework comprises a front framework and a rear framework, the balance guiding system comprises guide rails and a balance framework, the guide rails are located on the rear framework, the balance framework is fixed on the hanging baskets, the rotary jacking mechanism is arranged below the hanging baskets, and is connect with the hanging baskets in a driving manner, the hanging baskets are arranged on the big circulating chain, car-carrying plates are arranged on the hanging baskets through positioning pins, the transmission system is connect with the big circulating chain in a driving manner, and the hanging baskets are movable in the guide rails under the driving of the big circulating chain. The plate type garage capable of rotating automatically and circulating vertically disclosed by the invention has the advantages of simple structure, safety, reliability and capability of realizing convenient and quick turnaround of the automobiles.

The invention provides a hydraulic system of a high-ground-clearance spraying machine. A first hydraulic pump is connected with a priority valve; the priority valve is connected with a front wheel steering hydraulic cylinder through a hydraulic steering gear and is connected with an energy accumulator and a first reversing valve in parallel through a fixed throttling opening and a one-way valve insequence; an oil outlet of a second hydraulic pump is connected with a diverter valve and a fixed differential reducing valve through a one-way stable diverter valve, the diverter valve is connectedwith a fertilizer throwing hydraulic motor through a second reversing valve and a speed regulating valve, and a third reversing valve is connected with a spraying hydraulic motor through a fixed pressure reducing valve; the fixed differential reducing valve is connected with a rear wheel steering hydraulic cylinder through a fourth reversing valve and a hydraulic control one-way valve group; and ashuttle valve is connected with two working oil ports of the fourth reversing valve, and oil liquid of the working oil port with higher pressure is fed back to a spring cavity of the fixed differential reducing valve. The hydraulic system adopts a hydraulic transmission mode and is flexible in steering mode, and easy to turn and turn round, the damage degree of a seedling bed is small in the steering process, and meanwhile, the operation process is convenient.

The invention provides a control method of a medical intelligent pushcart based on a distributed sensor. By using an IMU inertial sensor, a four-wheel independent drive and an independent steering control system, intelligent control of independent control steering and speed of the medical pushcart are realized. The invention relates to the technical field of medical pushcarts. The control method of the medical intelligent pushcart based on the distributed sensor comprises the steps of A, selecting a working mode; and B, collecting data of a distributed flexible film pressure sensor; filteringand storing the data; judging a force applying direction and force value; analyzing a movement intention through kinematics; controlling the speed of the pushcart through analysis acting time length;judging the movement intention of a force applying person according to a command; controlling a corresponding motor to work; starting a PID algorithm to adjust an operation posture to a step H; and corresponding detecting the operation posture of the medical pushcart and the action intention of the force applying person. According to the control method of the medical intelligent pushcart based onthe distributed sensor, the method is simple and reliable, dangers caused by false operations are avoided, time and labor are saved, the control of the medical intelligent pushcart suitable for beingused on site under complicated environment conditions in the medical industry is more humanized.

The invention provides a large-angle all steer-by-wire system for an electric vehicle driven by a hub motor, and a method thereof. The large-angle all steer-by-wire system comprises an executing mechanism, a detecting mechanism, a steering mode selecting button and an electronic control unit; the executing mechanism comprises a T-shaped shaft, a gear ring, a driving device, a rotating mechanism and an electromagnetic clutch; the electromagnetic clutch controls combination and disconnection of a steering mechanism and a vehicle frame; the detecting mechanism detects the turning angle of wheelsand the turning angle of a steering wheel, and transmits detected signals to the electronic control unit; the steering mode selecting button is connected with the electronic control unit; and the electronic control unit calculates the turning angle of the wheels according to the received signals, and controls working of the driving device and the electromagnetic clutch according to the signals ofthe detecting mechanism and a steering mode selected by the steering mode selecting button. According to the large-angle all steer-by-wire system, the safety of steering and travelling is improved, the energy loss caused by transmission of mechanical parts through traditional steering is further reduced, and the urban space and road utilization rates are effectively increased.

The invention discloses an overpass which is formed by overlapping three cross-shaped bridge surfaces, ramps of the three cross-shaped bridge surfaces, and one layer of ground surface. The overpass comprises four through-traffic lanes, four right turning lanes, four left turning lanes, four U-turning lanes, and four pedestrian passageways, and is composed of a first-layer ground surface, a second-layer bridge surface, a third-layer bridge surface, a fourth-layer bridge surface, and ramps of the surfaces, wherein each of the first-layer ground surface and the second-layer bridge surface is provided with two through-traffic lanes, two U-turning lanes and two pedestrian passageways, and each of third-layer bridge surface and the fourth-layer bridge surface is provided with two right turning lanes and two left turning lanes. According to the overpass, a method of turning lane pairing and grouping is used, so that the eight turning lanes are divided into four pairs and two groups, and the eight turning lanes can be reasonable set. By using the overpass disclosed by the invention, a crossroad with branch lines, or branch lanes of a multi-line staggered junction can be communicated with the lanes of the overpass in all directions. By adopting the overpass disclosed by the invention, a separation type overpass or an overpass with a two-layer structure can be transformed to the overpass with the structure having the three bridge surfaces and the four layers. Most of the bridge surfaces of all layers and the respective ramps are positioned on a roadbed, so that when the overpass disclosed by the invention is built, houses are not required to be removed, and the removal compensate is saved.

The invention discloses a multifunctional grappler. The multifunctional grappler comprises a support, a movable hook movably installed at the front end of the support, and a pedal plate installed at the rear end of the support. The movable hook is detachably connected with an anti-slip strip. A fixing plate is arranged at the rear end of the support. The pedal plate is rotationally connected to the limiting plate through a rotary shaft. A lock pin is arranged on the rotary shaft. A locking groove for containing the lock pin is formed in the fixing plate. Rotation of the rotary shaft is limited when the lock pin is inserted into the locking groove. The rotary shaft can circumferentially rotate when the lock pin is disengaged out of the locking groove. The anti-slip strip on the movable hook can be flexibly replaced, the application range is wide, and the multifunctional grappler is more flexible and convenient during work.

The invention relates to a gear direct connection hydraulic suspension device which belongs to the technical field of agricultural machinery. The device comprises a hydraulic lifting device which is installed on a self-propelled agricultural machine and a gear connection drive device, wherein the hydraulic lifting device is provided with a lifting arm, one end of the lifting arm is hinged with one end of a lifting rod, the other end of the lifting rod is hinged with one end of a pull rod, the other end of the pull rod is fixedly connected onto a shaft sleeve which is sleeved on an output shaft of the gear connection drive device, the shaft sleeve is fixedly connected with a chain disc shell, a drive sprocket which is positioned on the upper end of the chain disc shell is assembled on the output shaft, and a driven sprocket which is in transmission connection with the main sprocket is assembled on the lower end of the chain disc shell. The purpose of the suspension device is realized through the organic combination of the hydraulic lifting device and the gear connection drive device, and the suspension device is suitable for occasions widely, is convenient to install and operate and is particularly suitable for agricultural implements for orchard, tea garden and facility greenhouse operation.

The invention discloses a rotary vane knife type vineyard ditcher, which is ditching machine applied to the field of agricultural tilling machinery. The rotary vane knife type vineyard ditcher adopts a dual power output method of a walking part and a working part so as to solve the problems that the existing vineyard ditcher is difficult to walk and the mechanical energy is wasted. By the application of a speed reducer, the problem of the working part offset when dual power output is carried out can be effectively solved.

The invention discloses a vehicle-mounted reel sprinkling machine driven by a water turbine. The vehicle-mounted reel sprinkling machine comprises a carrying transport vehicle, a reel supporting frame, a reel, a sprinkler vehicle and a pressure water distributor; the bottom of the reel supporting frame is installed on a vehicle body chassis behind a cab of the carrying transport vehicle; and the bottom of the reel supporting frame is provided with a supporting leg and a reel supporting frame rotating device, wherein the supporting leg comprises a lead screw forward rotation water turbine box, a lead screw reverse rotation water turbine box, a lead screw and a telescopic cylinder structure matched with a reciprocating nut, and the reel supporting frame rotating device comprises a forward rotation water turbine box and a reverse rotation water turbine box. According to the vehicle-mounted reel sprinkling machine driven by the water turbine, sprinkling irrigation pressure water can be adopted as a unique sprinkling irrigation driving power source for control, and the difficulty of connection of the driving power source can be greatly reduced on the premise that control is convenient; and the vehicle-mounted reel sprinkling machine comprises the carrying transport locomotive, so that the use flexibility of the reel sprinkling machine can be greatly improved, and the situation that crops in fields are excessively rolled is avoided.

The invention relates to a rehabilitation rack, and especially relates to an orthopedics rehabilitation rack; the orthopedics rehabilitation rack can improve the rehabilitation effect, and can adjustthe rehabilitation walking slope according to the conditions. The orthopedics rehabilitation rack comprises a mount plate, swing plates, a slide block, lifting rods, a fixed block and a swing rod; themount plate is arranged over the ground; the ground has a groove; a guide hole is respectively arranged on the left and middle portions of the mount plate; the swing plate is respectively connected on the left and right portions of the mount plate in a rotary mode, and provided with a slide groove, wherein a slide block is connected in the slide groove in a slide mode, and connected with the lifting rod in a rotary mode; the lifting rod is arranged in the guide hole. The swing plates can be swung back and forth so as to adjust the swing plate slope, thus increasing the slope according to thepatient injury degrees, and assisting the patient to recover; a rotary handle can be rotated so as to adjust the support pole position, thus allowing the patient to rehabilitate and walk by holding the support poles.

The invention discloses a self-propelled medical material excavator which comprises a frame, an engine, driving wheels, a driver's seat, a steering wheel, an excavation mechanism and a hydraulic system. The excavation mechanism comprises two rear support arms hinged onto the frame, front support arms are hinged to the upper ends of the two rear support arms, a fork beam is hinged to the lower endsof the two front support arms, a short support arm is fixed in the middle of the fork beam, a rear beam is connected between the two rear support arms, and a front beam is connected between the two front support arms. The hydraulic system comprises a hydraulic oil tank, a hydraulic pump and a hydraulic distributor, lifting oil cylinders are mounted among the upper ends of vertical columns and themiddle upper portions of the rear support arms, a translation oil cylinder is mounted between the middle of the rear beam and the middle of the front beam, and an excavation oil cylinder is mounted between the middle of the front beam and the front end of a short support arm. The self-propelled medical material excavator is simple in structure, low in manufacturing cost, small in excavation resistance and low in energy consumption, and medical materials cannot be damaged and are completely picked up.

The invention relates to the technical field of medical assistance device, and discloses a turning-over assistance device used for treatment in the cardiovascular medicine department. The turning-overassistance device comprises a bed plate, wherein the upper part of the bed plate is movably provided with turning plates; one side of each turning plate is fixedly provided with a hinge; the other side of each hinge is fixedly installed to each bed plate; one side of the bottom of each turning plate is movably installed on a supporting plate; the bottom of each turning plate is fixedly provided with a movable groove; and a sliding rod is movably installed in the movable groove. According to the turning-over assistance device used for the treatment in the cardiovascular medicine department, empty grooves are symmetrically arranged on the upper part of the bed plate, the turning plates are movably installed in the empty grooves so as to be convenient for enabling a patient on the upper partof the bed plate to turn left and right through the two turning plates, the left part and the right part of the body of the patient can be nursed, in addition, the bottom of each turning plate is fixedly provided with the movable groove and the sliding groove, through four first telescopic plates, the turning plates are evenly applied with force so as to be convenient for the turning plates to stably turn, and in addition, the four first telescopic plates separably work to avoid a situation that when the single first telescopic plate is damaged, the device can not work.

The invention belongs to the technical field of electric wheelchairs, and particularly relates to an electric wheelchair convenient to adjust in all directions, the electric wheelchair comprises a base and a seat, the bottom of the base is connected with first springs, pulleys are arranged below the first springs, rotating blocks are arranged on the sides of the pulleys, and supporting rods are arranged below the rotating blocks; second springs are arranged on the periphery of the supporting rods, a first screw rod is arranged on the side of each second spring, a second screw rod is arranged on the side of the first screw rod, a supporting column is arranged above the second screw rod, a threaded rod is arranged in the supporting column, a gear is arranged on the side of the threaded rod, the seat is arranged above the base, and a first rotating plate is arranged on the side of the seat. According to the electric wheelchair convenient to adjust in all directions, the gear is arranged, the angle of the seat can be adjusted conveniently, a user can use the electric wheelchair more conveniently, the rotating angle can be adjusted conveniently according to the requirements of the user, and the user can turn around more conveniently.

The invention relates to a bridgeless fork interchange structure comprising a first-direction road, a second-direction road, a third-direction road, an upgoing one-way lane, a downgoing one-way lane, a first left-turn curve and a second left-turn curve. The upgoing one-way lane is divided into two ways at the fork, one way is connected with an upgoing lane of the first-direction road, and the other way is connected with the first left-turn curve. The first left-turn curve is connected with the downgoing one-way lane. The first left-turn curve is connected with a downgoing lane of the third-direction road through a first right-turn curve. A downgoing lane of the first-direction road is connected with the downgoing one-way lane. The downgoing lane of the first-direction lane is connected with the downgoing lane of the third-direction road through the first right-turn curve. An upgoing lane of the third-direction road is connected with the downgoing lane of the second-direction road through a second right-turn curve. The upgoing lane of the third-direction way is connected with the upgoing one-way lane through the second left-turn lane. The bridgeless fork interchange structure has the advantages that the structure is simple, construction is easy, the construction cost is low, the occupied area is small, and the ground ways can be arranged at will.

The invention provides a hydraulic steering system for a transporting girder and the transporting girder. The hydraulic steering system comprises a hydraulic steering machine, an oil storing tank, a front steering device and a rear steering device, wherein an input shaft of the hydraulic steering machine is connected with a steering wheel of the transporting girder, and an oil return opening of the hydraulic steering machine is connected with the oil storing tank; the front steering device and the rear steering device are centrosymmetric; and the hydraulic steering machine communicates with the front steering device and the rear steering device through an oil pipe, and the hydraulic steering machine drives the rotating direction of the front steering device to be opposite to that of the rear steering device. The rotating direction of the front steering device of the steering system is opposite to that of the rear steering device of the steering system, so that the steering radius is further reduced, and under extreme road conditions, a driver can conveniently change directions.