31results about How to "Sensitive steering" patented technology

The invention discloses a double-motor controller with an electronic differential function. The double-motor controller comprises a main control chip integrated with an electronic differential module, two groups of drive motor control chips, two groups of rotary transformer decoding chips, two groups of power drive modules for controlling a motor to operate, a capacitor bank, an angle decoding and conditioning circuit, two permanent magnet motors with built-in rotary transformers, and an active force battery pack, wherein the main control chip is used for processing a received signal; and a left drive wheel control signal and a right drive wheel control signal are transmitted into the drive motor control chips corresponding to wheels respectively through the operation of an electronic differential operation module. The drive motor control chips receive information of position values, speed values and the like of the drive motor returned by corresponding rotary transformer decoding chips; information provided by the main control chip is combined so as to be processed comprehensively; and a waveform is output to a corresponding power drive module so as to operate the wheels through the drive motor. The double-motor controller with the electronic differential function has the advantages of high drive efficiency, small volume, convenience in arrangement and installation, and capability of active differential.

The invention relates to a dual-way vehicle steering hydraulic system of driving automobile, comprising a steering interlocked reversing valve, a first redirector and a second redirector positioned in two cabs; wherein, the P mouth of the steering interlocked reversing valve is connected with an oil outlet of the hydraulic pump; a first and a second dual-way cushioning oil-feeding combination valve and a first and a second reversing hydraulic cylinder. The invention has the advantages that two cylinders are provided; and in changing direction, one cylinder piston is protruded out, and the other cylinder piston is retracted, which respectively exerts a steering force on the two sides of the joint chair of the back frame, so that the steering is easy to conduct, and the turning radius is small. Due to the reversing valve, when a cab is operating to change direction, the operation of changing direction of the other cab is locked.

A lamp rotating structure for a flood lighting vehicle comprises a hydraulic motor, a driving gear, a driven gear and a supporting rod, the hydraulic motor comprises a body and a rotating shaft arranged on the body, the body is used for driving the rotating shaft to rotate, a first through hole is formed in the middle of the driving gear, the rotating shaft penetrates through the first through hole, so that the rotating shaft is sleeved with the driving gear. The driven gear is meshed with the driving gear, a second through hole is formed in the middle of the driven gear, the shape of the axial cross section of the supporting rod is matched with the shape of the second through hole, the supporting rod penetrates through the driven gear, therefore, the supporting rod is sleeved with the driven gear, a light source is arranged at one end of the supporting rod, the driving gear is driven by the rotating shaft of the hydraulic motor to rotate, and the driven gear meshed with the driving gear is driven by the driving gear to rotate, so that the supporting rod is driven to rotate. The lamp rotating structure for the flood lighting vehicle is sensitive in steering and meets the requirement for rapid responses.

The invention discloses an automobile doubling auxiliary system based on a camera. The system comprises a sensor module, a single-chip microcomputer module, an intelligent vehicle steering engine module and a power supply management module. The invention also discloses a control method. Images in front of driving of the corresponding vehicle are acquired through videos, then road boundary information is sought by performing median filtering, dynamic threshold segmentation and other methods, and then speed and steering control is performed on the vehicle body by using the boundary information. Closed loop incremental PID control is performed on the speed so that the control period can be obviously shortened, acceleration and deceleration are enabled to be further timely and the speed is smoother. Closed loop PD control is performed on steering so that steering of the steering engine is enabled to be more sensitive and the effect of early prejudgment can be achieved. Therefore, the doubling auxiliary function can be realized, and the vehicle driving process is enabled to be safer and more reliable by the automobile doubling auxiliary system based on the camera and the control method thereof in comparison with the systems and the methods in the prior art.

The invention discloses an electric fork-lift truck steering device which comprises a steering wheel, a steering column, a cardan joint, a steering actuating device, a carframe and a shift wheel, wherein the steering column is arranged below the steering wheel and is connected with the steering wheel. The cardan joint is arranged below the steering column and is connected with the steering column. The steering actuating device is connected with the cardan joint. The carframe is connected with the steering actuating device. The shift wheel is arranged on the carframe. The steering actuating device comprises a chain wheel mechanism and the steering wheel, wherein the horizontally arranged steering is connected with the cardan joint through the chain whell mechanism. The carframe comprises a vertical part and a horizontal part, wherein the horizontal part is connected with the bottom end of the vertical part. The top end of the vertical part of the carframe is fixedly connected with the end face of the steering wheel. The horizontal part of the carframe is provided with the shift wheel. The electric fork-lift truck steering device has the advantages of being simple in structure, convenient to operate and low in cost. In the process of steering, a driver can adjust angles of the shift wheel by constantly steering the steering wheel according to factors such as road surface bending changes and speed changes to maintain steering tracks which a driver wants to reach, and therefore the electric fork-lift truck steering device is reliable in steering, and low in stoppage rate and the like.

The completely closed marine survival craft has one completely closed hull, one front rotating body and one back rotating body connected through one upper bridge and one lower bridge, one turbo drive motor and one steering drive motor mounted on the lower bridge, one turbo drive main shaft penetrating the back rotating body vertically, one steering drive main shaft connecting the turbo drive shaft outside the hull and the steering shaft, one steering wheel in the control console, one turbine mounted on the turbine shaft and other parts. The completely closed marine survival craft will never sink, and is smooth and safe.

The invention provides a veering driving assembly for a rear axle rim tire. The veering driving assembly comprises a first veering cylinder and a second veering cylinder which are connected with two ends of a veering cylinder supporting base; the axes of the first veering cylinder and the second veering cylinder are located in a same straight line; the other ends of the first veering cylinder and the second veering cylinder are connected with a connecting rod of a veering hinge connecting assembly; and one end of the connecting rod is connected with the veering hinge connecting assembly, so as to realize the veering. According to the veering driving assembly provided by the invention, the hinge of a frame is omitted, so that the frame is an integrated frame, the stable rigidity of a vehicle body is enhanced and the vehicle body is free from turning on one side due to full load. Meanwhile, a machine counterweight and an operating subject matter are in a same horizontal axis all the time, no heeling overturning danger signal exists, and the operation is convenient and flexible.

The invention discloses a steering device for an electrical children's cart, which is characterized in that: the first input ends of double power driving wheels are connected with the output end of a first driving motor; the second input ends of the double power driving wheels are connected with the output end of a second driving motor; the output end of a first linkage steering structure is connected with the input end of the first driving motor; and the output end of the second linkage steering structure is connected with the input end of the second driving motor. The device is reasonable in entire structure and can realize 360-degree omnidirectional guided rotation by adopting double power driving motors. The device has the advantages that: steering operation and control are sensitive; a double power effect can be achieved; the driving part also has a self-braking unit, so the safety of the product is improved; the overall structure is reasonable, and the practicality is high; and substantial characteristics are more prominent and improvement is more obvious than those of the prior art.

The invention discloses a method for coating a nylon resin spline. The method comprises the steps of cleaning, drying, sand blasting, heating, primer dipping, oven drying, high-frequency heating, resin coating, cooling, spline cutting and hot running-in, and specifically comprises the steps that surface cleaning is carried out on a spline shaft needing coating, and the spline shaft is placed into a drying bin to be dried after being cleaned; sand blasting is carried out through a sand-blasting machine; the spline shaft is moved to a heating bin to be heated; the spline shaft is dipped into a primer tank, and then is placed into the drying bin to be dried in a baking mode; the spline shaft is heated through a high-frequency heating machine; after the spline shaft is heated, the spline shaft is moved to a coating tank to be coated, and then is placed into a cooling tank to be cooled; after cooling is accomplished, a spline cutting machine is used for cutting the spline shaft, and finally the cut spline shaft is moved to a running-in platform to carry out running-in. According to the nylon resin spline, the technology that hot running-in is carried out after coating and cutting are accomplished is adopted, the sliding spline has high abrasive resistance, high and low temperature resistance and corrosion resistance, and has small sliding force and a small running clearance, reliability of a product is greatly improved, and the service life of the product is greatly prolonged.

The invention relates to a semi-integrated vehicle power steering device, which comprises: a steering device, a steering control valve. And it is characterized in that: the steering control valve is the rotation valve steering control valve, while said control valve is the upper steering control valve 8 or / and lower steering control valve 9. The invention has simple structure, less elements, and high steering sensitivity, which can be used to steer the vehicle and heavy wheel vehicle.

The invention discloses a mobile phone intelligent electric competitive kart which comprises a chassis, driving wheels are fixed to the two sides of the tail of the chassis through connecting shafts, driven wheels are fixed to the two sides of the head of the chassis through rotating shafts, a power box is fixed to the upper surface of the tail of the chassis, and a steering rod is arranged on the front side of a seat. A steering wheel is fixed to the top end of the steering rod, a positioning pipe sleeve is embedded in the bottom end of the steering rod, the bottom of the positioning pipe sleeve penetrates through the chassis and is fixed to the lower surface of the chassis, the two driven wheels are fixedly connected with the front side and the rear side of the steering rod through traction rods correspondingly, and start-stop pedals are arranged on the two sides of the front end of the chassis correspondingly. The mobile phone intelligent electric competitive kart is simple in structure, novel in design, sensitive in steering and high in response speed, operability is greatly improved, interactivity with users is high, interests of children can be greatly improved, coordination of eyes, hands, feet and brains of the children can be exercised, physical and mental development is facilitated, and the kart is worthy of popularization.

The invention discloses a tumbler type buoy. The buoy comprises a load-bearing seat and a buoy frame erected on the load-bearing seat, wherein the buoy frame is provided with a first chamber and a second chamber, a first foam buoyancy device is detachably mounted in the second chamber, a second foam buoyancy device and a third foam buoyancy device are detachably mounted in the first chamber, and the first, second and third foam buoyancy devices are arranged in such a manner that end surfaces are aligned correspondingly and every two side surfaces are tangent with each other; a flashing light and a sign flag are mounted on the buoy frame; a connecting ring and a rudder plate are mounted below the load-bearing seat. The buoy is applicable to all sea areas with strong wind, huge waves and variable wind directions; the condition that the buoy winds round a horizontal floating cable and then impacts a wave meter possibly can be avoided; the buoy is obvious when floating in the sea, and the flashing light is mounted to prompt passing ships at night; the buoy is sensitive to steer, and the water resistance is smaller than that of a 'transverse buoy'; no matter how the wind and the waves change, the buoy always stands towards the water and is just like a 'tumbler'; the buoy is simple in manufacturing technology, conventional in material and low in manufacturing cost.

The invention relates to an accurate oil distribution hydraulic steering device, and belongs to the technical field of the hydraulic transmission control of vehicles. A fluid distribution valve assembly is mounted at one end of a housing of the steering device, a linkage shaft is mounted in an inner hole of a valve core of the fluid distribution valve assembly in a penetrating manner, the other end of the housing is fixedly connected with a stator of a cycloid pin gear pair, and the other end of the linkage shaft is meshed with a rotor of the cycloid pin gear pair in a transmission manner; two oil distribution compensation flow channels which respectively pass through the fluid distribution valve assembly to be in direct communication with two ends of a steering hydraulic cylinder through a left oil transportation opening and a right oil transportation opening are formed in the housing, a steering input shaft is provided with a rotating angle sensor, wherein a signal output end of the rotating angle sensor is connected with an oil distribution compensation control circuit; a control output end of the control circuit is connected with controlled ends of the oil distribution compensation flow channels; and an oil distribution compensation electromagnetic valve is controlled to be at an opening position, an oil inlet opening is connected with a corresponding oil transportation opening through the oil distribution compensation flow channel of which the flow direction is the same as that of a flow distribution valve assembly through the cycloid pin gear a . Through the adoption of the accurate oil distribution hydraulic steering device disclosed by the invention, accurate oil distribution of the steering device to the steering hydraulic cylinder can be realized through complement, and accurate operation of a steering wheel to the rotating angle of the wheels is guaranteed.

The invention relates to a semi-integrated vehicle power steering device, which comprises: a steering device, a steering control valve. And it is characterized in that: the steering control valve is the rotation valve steering control valve, while said control valve is the upper steering control valve 8 or / and lower steering control valve 9. The invention has simple structure, less elements, and high steering sensitivity, which can be used to steer the vehicle and heavy wheel vehicle.

The invention discloses a pump pushing device used for a ship. The pump pushing device comprises a bottom board, a hull, a rectifier object and a steerage guide pipe. A sealing pad is arranged on thelower surface of the bottom board, a water suction opening is formed in the middle portion of the bottom board, a shell is arranged on the upper surface of the bottom board, a shaft casing pipe is arranged on one side of the shell, a rotary shaft is arranged in the shaft casing pipe, an impeller is arranged at one end of the rotary shaft, a shaft seal is arranged on the side, away from the shell,of the shaft casing pipe, a water inflow pipeline is arranged on the side, away from the shaft casing pipe, of the shell, the hull is arranged on the side, away from the shell, of the water inflow pipeline, the rectifier object is arranged on the side, away from the water inflow pipeline, of the hull, and a bearing seat is arranged in the rectifier object. The pump pushing device has the beneficial effects that the pump pushing device is installed in the hull, the external dimension of the ship is reduced, the ship draft depth is greatly reduced, the sailing region of the ship is enlarged, steering is flexible, the steering radius is small, and the flexibility and maneuverability of ship sailing are greatly improved.

A lamp rotating structure for a flood lighting vehicle comprises a hydraulic motor, a driving gear, a driven gear and a supporting rod, the hydraulic motor comprises a body and a rotating shaft arranged on the body, the body is used for driving the rotating shaft to rotate, a first through hole is formed in the middle of the driving gear, the rotating shaft penetrates through the first through hole, so that the rotating shaft is sleeved with the driving gear. The driven gear is meshed with the driving gear, a second through hole is formed in the middle of the driven gear, the shape of the axial cross section of the supporting rod is matched with the shape of the second through hole, the supporting rod penetrates through the driven gear, therefore, the supporting rod is sleeved with the driven gear, a light source is arranged at one end of the supporting rod, the driving gear is driven by the rotating shaft of the hydraulic motor to rotate, and the driven gear meshed with the driving gear is driven by the driving gear to rotate, so that the supporting rod is driven to rotate. The lamp rotating structure for the flood lighting vehicle is sensitive in steering and meets the requirement for rapid responses.

The invention relates to an accurate oil distribution hydraulic steering device, and belongs to the technical field of the hydraulic transmission control of vehicles. A fluid distribution valve assembly is mounted at one end of a housing of the steering device, a linkage shaft is mounted in an inner hole of a valve core of the fluid distribution valve assembly in a penetrating manner, the other end of the housing is fixedly connected with a stator of a cycloid pin gear pair, and the other end of the linkage shaft is meshed with a rotor of the cycloid pin gear pair in a transmission manner; two oil distribution compensation flow channels which respectively pass through the fluid distribution valve assembly to be in direct communication with two ends of a steering hydraulic cylinder through a left oil transportation opening and a right oil transportation opening are formed in the housing, a steering input shaft is provided with a rotating angle sensor, wherein a signal output end of the rotating angle sensor is connected with an oil distribution compensation control circuit; a control output end of the control circuit is connected with controlled ends of the oil distribution compensation flow channels; and an oil distribution compensation electromagnetic valve is controlled to be at an opening position, an oil inlet opening is connected with a corresponding oil transportation opening through the oil distribution compensation flow channel of which the flow direction is the same as that of a flow distribution valve assembly through the cycloid pin gear a . Through the adoption of the accurate oil distribution hydraulic steering device disclosed by the invention, accurate oil distribution of the steering device to the steering hydraulic cylinder can be realized through complement, and accurate operation of a steering wheel to the rotating angle of the wheels is guaranteed.

The invention provides an azimuth control system for a model airplane. The system comprises a steering engine, a turning controller and a turning control rod, wherein the steering engine is connectedwith the turning controller through the turning control rod. Front and rear turning control assemblies are simple in structure, and front and rear turning adjustment modes of the model airplane are simple and novel. The model airplane is easy to control when turning forward and backward, and turning is sensitive. The model airplane can be effectively controlled to achieve the purpose of forward and backward turning.

The invention discloses a device for controlling an electric wheelchair and a control method for the device. The top of the device for controlling the electric wheelchair is provided with a handle spindle of a handle, and left and right sides of the device are provided with left and right upper guide shafts and left and right lower guide shafts which are arranged on a guide frame of a base; the left and right lower guide shafts pass through left and right differential sliding blocks and a reset spring respectively; two guide rails of the base are embedded into grooves of the bottom surfaces of the differential sliding blocks; two inductors are embedded into the bottom surfaces of the differential sliding blocks, sensors which are connected with a control mechanism are embedded into the base, and differential racks on the inner sides of the two differential sliding blocks are engaged with a differential gear on the handle spindle; a handle carriage which is arranged on the handle spindle is hinged with sliding sleeves of the two upper guide shafts respectively; and a bottom guide shaft which is fixed on a lower guide frame of the base passes through a braking carriage and a braking pressure spring at the bottom of the handle spindle, and a braking sensor between the braking carriage and the braking pressure spring is connected with the control mechanism. The control method comprises the following steps of: forwards moving or rotating the handle to move the two differential sliding blocks, transmitting signals of the sensors to the control mechanism, adjusting the rotating speed of two wheels to ensure that the wheelchair moves straightly to be accelerated or decelerated or steers, and moving the handle backwards and braking. The device can conveniently, quickly, stably and flexibly control electric wheelchairs.

The invention relates to a single-rail funabout, which runs on a T-shaped or an I-shaped single rail and comprises a guide car, a rotary shaft, at least two swing rods and a main car. The guide car is clamped on the single rail and provided with a frame and at least two guide wheels installed on the frame and respectively roll on the two lateral walls of the single rail. The rotary shaft is vertically arranged right above the guide car, and the lower end of the rotary shaft is rotatably connected with the guide car through a horizontal pin perpendicular to the extending direction of the single rail. One end portions of the swing rods are fixed on the rotary shaft, and the other end portions of the swing rods are respectively located on two sides of the rotary shaft. The main car is located right above the single rail with the single rail serving as the central line, and two ends of a car axle of the main car are respectively hinged to the end portions of the two swing rods. Due to the fact that the guide wheels of the guide car are always clamped on the single rail, when the single-rail funabout turns direction, steering force is rapidly transmitted to the car axle of the main car through the rotary shaft and the swing rods, and the car axle is rapidly pulled to turn direction.

The completely closed marine survival craft has one completely closed hull, one front rotating body and one back rotating body connected through one upper bridge and one lower bridge, one turbo drive motor and one steering drive motor mounted on the lower bridge, one turbo drive main shaft penetrating the back rotating body vertically, one steering drive main shaft connecting the turbo drive shaft outside the hull and the steering shaft, one steering wheel in the control console, one turbine mounted on the turbine shaft and other parts. The completely closed marine survival craft will never sink, and is smooth and safe.

The invention discloses a steering-by-wire control method of a joystick, comprising the following steps: collecting the joystick rotation angle δ d , and by the corner factor f δ and speed factor f u Correction, calculate the ideal steady-state front wheel angle Calculate the reference yaw rate ω according to the linear two-degree-of-freedom reference model r and the reference center of mass slip angle β r ; Detect whether the deviation between the actual yaw rate and the side slip angle of the center of mass and the reference value reaches the stability threshold; And calculate the braking torque of each wheel; the steering executive motor and the braking system perform actions according to the instructions. The invention can simplify the steering operation, improve the steering stability, save the space in the car, reduce the collision damage and easily realize the switching between the automatic driving mode and the manual driving mode.

The invention relates to the technical field of wind power generation, in particular to an easy-to-install wind power generation device. The easy-to-install wind power generation device comprises a case, a main rod is installed below the case, a steering component is installed at the upper end of the main rod, a base is installed at the lower end of the main rod, fan blades are rotationally installed on the outer surface of one side of the case, a wind direction sensor is installed at one end of the upper surface of the case, an output wire box is installed on the front surface of the base, awaterproof cover plate is rotationally installed on the front surface of the output wire box, a fixed bottom plate is welded to the lower surface of the base, a heat dissipation net is arranged at oneend of the lower surface of the case, a wire is installed inside the main rod in a penetrating mode, and a power generation motor is installed inside the case. The wind power generation device is ofa detachable structure, and steering of the device is electrically adjusted through a wind direction sensor so that the direction adjustment can be achieved on the device under the breeze condition; and a storage battery is arranged in the device, so that the trouble of an external wire is reduced.

A steering hydraulic system for a two-way driving vehicle, including a steering interlock reversing valve, a No. 1 steering gear and a No. 2 steering gear respectively equipped in two cabs, the P port of the steering interlocking reversing valve and the oil outlet of a hydraulic pump connection; there are also No. 1 and No. 2 two-way buffer oil supply combination valves and No. 1 and No. 2 steering hydraulic cylinders; the present invention is provided with two oil cylinders. When turning, one oil cylinder piston extends outward, and the other oil cylinder piston inward Contraction, the steering force is applied to the left and right sides of the hinge seat of the rear frame respectively, so the steering is sensitive and the turning radius is small. Because of the steering interlock reversing valve, when one cab is operating the steering, the steering operation of the other cab is locked.

An improved camera device belongs to the technical field of live broadcast camera auxiliary equipment and comprises a vehicle body, and triangular crawler wheel mechanisms are mounted on two sides of the vehicle body. The triangular crawler wheel mechanism comprises a main shaft and fulcrum shafts which are arranged on the two sides of the main shaft and can rotate around the main shaft, damping wheels are arranged on the main shaft and the fulcrum shafts, and crawler belts are arranged outside the damping wheels in a winding mode. The damping wheel comprises a telescopic spoke rod which is annularly arranged, a damping spring is arranged in the telescopic spoke rod, an abutting plate is arranged at the end of the telescopic spoke rod, meshing teeth are arranged on the abutting plate, and meshing grooves matched with the meshing teeth are formed in the inner side face of the crawler belt. The fulcrum shaft comprises a connecting arm, an adjusting rack is arranged on the connecting arm, and an adjusting gear connected with the adjusting rack in an engaged mode is arranged on the side of the vehicle body. Compared with the prior art, the method can well adapt to various terrain environments of outdoor live broadcast, and guarantees the shooting stability. And a clamping mechanism with a steering function is arranged, so that steering is sensitive, and the following shooting effect is excellent.

The invention belongs to the technical field of underground auxiliary transportation equipment in coal mines, and in particular relates to an articulated two-way driving explosion-proof rubber-tyred vehicle with narrow width and low height. It solves the problems of the existing rubber-tyred vehicles such as large height and width, poor driving comfort, poor forward and reverse vision, poor shock absorption performance, complex frame structure and heavy weight. Vehicles, including front frame, rear frame, cargo box assembly, engine device, transmission device, hydraulic system, pneumatic system, electrical system and cab assembly, engine device, transmission device, hydraulic system for controlling steering, control The pneumatic system and electrical system for shifting are integrated on the front frame, rear frame and cab assembly, and the cargo box assembly is arranged on the rear frame.

The invention discloses a steering lifting moving platform. The platform comprises a moving platform main body and a controller which are electrically connected, wherein the moving platform main bodycomprises an underframe used for supporting, and the moving platform main body further comprises a steering mechanism, a lifting mechanism, a moving load mechanism and a power roller mechanism. The platform provides an integrated full-automatic device which is combined with roller conveying, light sensing positioning, 90-degree steering, load moving lifting and moving out; and the integrated full-automatic device has the advantages of reasonable structure, stable operation and long service life, completely meets the steering requirements of customers on large and heavy objects, and is suitablefor large-area popularization.

The invention provides a veering driving assembly for a rear axle rim tire. The veering driving assembly comprises a first veering cylinder and a second veering cylinder which are connected with two ends of a veering cylinder supporting base; the axes of the first veering cylinder and the second veering cylinder are located in a same straight line; the other ends of the first veering cylinder and the second veering cylinder are connected with a connecting rod of a veering hinge connecting assembly; and one end of the connecting rod is connected with the veering hinge connecting assembly, so as to realize the veering. According to the veering driving assembly provided by the invention, the hinge of a frame is omitted, so that the frame is an integrated frame, the stable rigidity of a vehicle body is enhanced and the vehicle body is free from turning on one side due to full load. Meanwhile, a machine counterweight and an operating subject matter are in a same horizontal axis all the time, no heeling overturning danger signal exists, and the operation is convenient and flexible.