55 results about "Steering group" patented technology

Motorcycles are provided which include a frame, two front steering wheels, a steering pipe rotatably connected to the frame and rigidly connected to two supporting assemblies, one for each front steering wheel and a steering group consisting of two pairs of transversal arms—upper front, lower front, upper rear and lower rear—arranged inverted at the opposite sides of a central steering pipe and laterally connected through two lateral posts. On each of the supporting assemblies the fixed portions of two telescopic elements may be constrained. Each pair of telescopic elements may be cantilever-mounted with respect to the steering wheel.

The invention provides an integrated test platform for dynamic performance of aircraft steering gear, which comprises an aircraft under test, a dynamic torque loading system, a dynamic bending momentloading system, a bottom platform, a temperature control box, a controller and a pneumatic loop system. The platform adopts passive dynamic torque loading, avoids the problem of excess force under active loading, and can realize the simulation of load inertia and bending moment loading, simulate the flight state of the steering gear more truly, test the dynamic performance of the steering gear, inaddition, the platform can control the working environment temperature of the steering gear, and test the performance of the steering gear more realistically. On the one hand, it can measure the electromagnetic compatibility of the steering gear and the whole aircraft, on the other hand, it can test the aircraft multi-aircraft synchronization control algorithm according to the prediction of flight path and flight state.

The invention discloses a horizontal driving mechanism for a laser guide AVG forklift, and relates to the technical field of forklift manufacturing. The driving mechanism comprises a driving mounting plate, a driven gear, a travel path motor and a steering motor. The driven gear is fixedly mounted on the lower surface of the driving mounting plate, a deceleration case is arranged at the lower end of the driving mounting plate, and a driving wheel connected with the deceleration case is arranged at the lower end of the deceleration case; a motor shaft of the travel path motor is inserted into the deceleration case, and a rotation bearing inner ring is arranged in the driven gear; the outer side of the rotation bearing inner ring is sleeved with the driven gear, and balls are arranged between the rotation bearing inner ring and the driven gear; a deceleration case mounting plate is arranged at the upper end of the deceleration case, and the rotation bearing inner ring and the deceleration case mounting plate are fixed; the steering motor is fixed to the deceleration case mounting plate; and a steering gear is arrange at the end of the steering motor, and the steering gear is meshed with the driven gear. The driving mechanism is novel in design, simple in structure, good in practicability and convenient to use and popularize.

The invention relates to an electric vehicle four-wheel steering system and a control method. The four-wheel steering system includes a front-wheel steering system and a rear-wheel steering system; wherein, the front-wheel steering system includes a steering wheel, an angle sensor, a vehicle controller, an electric power steering pump, and a front-wheel steering mechanism; The steering system includes a steering wheel, an angle sensor, a vehicle speed sensor, a vehicle controller, a rear wheel steering controller, a rear wheel steering motor, a position sensor, and a rear wheel steering mechanism. The control method includes a front-wheel steering system control method and a rear-wheel steering system control method, wherein in the rear-wheel steering system control method, different control actions can be selected according to the vehicle speed, and the steering angle can also be corrected according to the feedback information. Guarantee the turning accuracy and improve the safety when turning.

The invention provides a steering wheel structure, and belongs to the field of AGVs. The steering wheel structure is characterized by including a driving wheel, a supporting plate, a rotation supporting bearing, a steering fixing disk, a steering gear and a steering motor, wherein the rotation supporting bearing includes outer teeth and an inner rotating disk, and the outer teeth can rotate relative to the inner rotating disk around the axis of the inner rotating disk; the inner rotating disk is fixedly connected with the steering fixing disk arranged at the top of the inner rotating disk, andthe steering fixing disk is used for being connected with a vehicle body; the steering gear is arranged on one side of the rotation supporting bearing, and the outer teeth of the rotation supportingbearing mesh with the steering gear; the steering motor driving the steering gear to rotate is arranged at the bottom of the steering gear and fixedly connected with the steering fixing disk, and thesupporting plate is arranged at the bottom end of the rotation supporting bearing and is fixedly connected with the outer teeth; and the driving wheel and an AGV using a steering wheel are connected to the supporting plate. According to the steering wheel structure, the turning radius can be effectively reduced, and the requirement of a small-type AGV can be met.

The invention provides an automobile steering device without a steering knuckle, which can complete the steering operation of an automobile by a steering wheel and can be installed on a dependently-suspended front axle of the automobile. The structure of the front axle consists of a front bridge, a spindle head, a brake disc and a wheel hub. The structure of a matched automobile steering device consists of a positioning plate, a steering machine, a rocker arm plate, a ball head, a pull rod, a support shaft, a shaft plate, a steering plate, a steering bracket, a friction piece, a piece plate, a steering rod, a spring, a baffle plate and a plurality of idler wheels. The front end of the rocker arm plate can swing left and right by rotating the steering wheel, so that the pull rod drives thesteering rod to forwards move, and the friction piece at one end of the steering rod is contacted with the brake disc so as to brake a wheel, therefore, the automobile can steer.

The invention discloses an adjustable saw type excising device for intervertebral disc under a spinal endoscope, and belongs to the field of medical apparatuses. The adjustable saw type excising device comprises a connecting pipe, a handle arranged at one end of the connecting pipe, a first spherical sleeve arranged at the other end of the connecting pipe, a steering group arranged on the first spherical sleeve and a cutting group arranged on the steering group, wherein the steering group comprises a hollow ball which is arranged in the first spherical sleeve and is movably connected with thefirst spherical sleeve, a resecting pipe which is arranged on the outer side of the first spherical sleeve and is connected with the hollow ball and a second spherical sleeve arranged on the resectingpipe. According to the adjustable saw type excising device disclosed by the invention, a doctor can adjust the operating angle of a saw disc and perform high-efficient resecting on a pulpiform nucleus which is tough in character, a fiber ring and a cartilage adhered to a centrum endplate; and a manner of slow removing through biting by a pulpiform nucleus plier under an endoscope is replaced by rotation resecting by the saw disc, "a removing point" is replaced by "an operation surface", so that the efficiency and the success rate of discectomy under the endoscope and lumbar interbody fusion are notably increased.

The invention provides a steering gear with a variable transmission ratio for a vehicle, and a vehicle having the steering gear. The steering gear with a variable transmission ratio comprises a steering gear body, an output shaft, an input shaft, an upper intermediate shaft and a lower intermediate shaft, wherein the output shaft is connected with the steering gear body; the input shaft is connected with a steering wheel of the vehicle; the upper intermediate shaft is connected with the input shaft; the lower intermediate shaft is connected with the output shaft in a transmission manner; an upper eccentric structure is arranged on the upper intermediate shaft; a lower eccentric structure is arranged on the lower intermediate shaft; and the upper eccentric structure is linked with the lower eccentric structure. According to the steering gear with a variable transmission ratio for a vehicle disclosed by the invention, the upper eccentric structure is arranged on the upper intermediate shaft, and the lower eccentric structure is arranged on the lower intermediate shaft, so that the transmission ratio of the steering gear is variable, and further the steering requirements of the vehicle at a high speed and a low speed are met at the same time.

The invention discloses a vehicle and a rear wheel steering control system and method thereof. The rear wheel steering control system comprises a first rear wheel, a second rear wheel, a rear wheel steering device, a detecting module and a motor controller; the rear wheel steering device comprises a first motor, a second motor, a first steering gear and a second steering gear, the first motor drives the first rear wheel to rotate in the first preset range through the first steering gear, and the second motor drives the second rear wheel to rotate in the second preset range through the second steering gear; the detecting module is used for detecting the state parameters of the vehicle; the motor controller is connected with the detecting module, the first motor and the second motor, the motor controller is used for controlling the first motor and the second motor according to the state parameters of the vehicle and correspondingly controlling steering of the first rear wheel and the second rear wheel through the first steering gear and the second steering gear, thus steering of the rear wheels can be precisely controlled in a small range, vehicle tail whip or out of control can be resisted in the higher strength, stability of medium-high-speed running of the vehicle is enhanced, and the rapid emergency turning capability of the vehicle is improved.

The invention discloses a steering gear of an automobile steering system, the automobile steering system and an automobile. The steering gear of the automobile steering system comprises a steering input shaft and a steering execution device (200). The steering input shaft is used for receiving the steering torque from a steering wheel (300). The steering execution device (200) is used for driving steering wheels to steer. The steering gear further comprises a drive ratio adjusting device (100), and the steering input shaft is in drive connection with the steering execution device (200) through the drive ratio adjusting device (100). According to the scheme, the automobile can achieve quick steering by a small steering wheel turning angle at a low speed and can achieve safe steering by a big steering wheel turning angle at a high speed, so that the traveling stability and safety of the automobile are kept.

The invention discloses an aircraft missile hooking vehicle steering system which comprises a steering gear and a steering oil cylinder connected to the front wheels of a missile hooking vehicle. The front wheels includes a left front wheel and a right front wheel. The steering oil cylinder includes a left steering oil cylinder connected to the left front wheel and a right steering oil cylinder connected to the right front wheel. The left steering oil cylinder and the right steering oil cylinder are in oil connection with a left hydraulic lock and a right hydraulic lock respectively. The left hydraulic lock and the right hydraulic lock are both bidirectional hydraulic locks. The aircraft missile hooking vehicle steering system further comprises a synchronous valve. The left hydraulic lock and the right hydraulic lock are both connected to the synchronous valve which is in oil connection with the steering gear. The steering gear is in oil connection with a pressing oil filter-flow dividing valve mounting assembly which is in oil connection with a plunger pump; and the steering shafts of the left front wheel and the right front wheel are all connected with the steering potentiometer. The aircraft missile hooking vehicle steering system has the advantage of good synchronism of the two front wheels during steering.

The invention discloses an adjustable reciprocating excising device for intervertebral disc under a spinal endoscope, and belongs to the field of medical apparatuses. The adjustable reciprocating excising device comprises an inserting pipe, a handle arranged at one end of the inserting pipe, a first universal sleeve arranged at the other end of the inserting pipe, a steering group arranged on thefirst universal sleeve and a cutting group arranged on the steering group. According to the adjustable reciprocating excising device disclosed by the invention, a doctor can adjust the operating angleof a cutting disc, and replace a "point type " biting type slow removing process of intervertebral disc tissue with pulpiform nucleus pliers under an endoscope by a "surface type " intervertebral disc tissue resecting through slicing, and a pulpiform nucleus which is tough in character, a fiber ring and a cartilage adhered to a centrum endplate can be polished and excised in a "bone filing type "manner, so that the efficiency and the success rate of the discectomy under the endoscope and lumbar interbody fusion are notably increased.

The invention provides a grouped steering system and relates to a system arranged on a chassis of a vehicle and enabling the vehicle to steer. The invention aims to provide the grouped steering system. The grouped steering system has high safety and high reliability, enables steering wheels to have a coordinated and correct corner relationship, improves the operating stability when the vehicle drives and meets the driving requirements on related roads. The grouped steering system provided by the invention comprises a front steering axle group and a rear steering axle group, wherein the front steering axle group comprises a front axle group and a single-loop steering gear (1) fixed on a vehicle frame (2); an output shaft of the single-loop steering gear is fixedly connected with a steering rocker arm (3); the other end of the steering rocker arm is hinged to a front straight pull rod (4); the other end of the front straight pull rod is hinged to one end of a front swing arm (5); the other end of the front swing arm is hinged to a rear straight pull rod (6); the rear steering axle group comprises a rear axle group and a rotary storage type servo mechanism (17); and the rotary storage type servo mechanism is hinged to a feedback pull rod (18).

The invention relates to the technical field of automobiles, in particular to a steering gear installing structure, and further relates to an automobile. The steering gear installing structure comprises a first bolt, a steering gear shell body, a stabilizing rod support and an auxiliary frame, the auxiliary frame is provided with a steering gear installing hole, the steering gear shell body is provided with a stabilizing rod connecting hole, the stabilizing rod support is provided with a steering gear connecting hole, and the first bolt is connected to the steering gear connecting hole, the stabilizing rod connecting hole and the steering gear installing hole in sequence; and the automobile comprises the steering gear installing structure. According to the automobile and the steering gearinstalling structure thereof, through the first bolt, the stabilizing rod support, the steering gear shell body and the auxiliary frame are tightened and connected, the stabilizing rod support is enabled to serve as a reinforcing supporting structure for improving the installing connecting rigidity of the steering gear shell body and the auxiliary frame, while realizing that the installing point rigidity of the steering gear shell body is improved, a working procedure of tightening connecting the stabilizing rod support and the auxiliary frame and a working procedure of tightening connecting the steering gear shell body and the auxiliary frame are combined into one same procedure, the number of components and working procedures are simplified, and the light weight level of an automobile structure is improved.

The invention relates to a dual-front axle vehicle steering system comprising a steering gear, a plumbing arm, a first front axle drag link, a transition pull bar, a power-assisted cylinder assembly, a second front axle drag link, a first front axle and a second front axle; the steering gear is arranged on a frame vertical beam through a steering gear rack; the top of the plumbing arm is connected with the steering gear, and the bottom of the plumbing arm is movably connected with the front end of the transition pull bar; the rear end of the transition pull bar is movably connected with the power-assisted cylinder assembly; the front end of the first front axle drag link is movably connected with the power-assisted cylinder assembly, and the rear end is movably connected with the first front axle; the front end of the second front axle drag link is movably connected with the power-assisted cylinder assembly, and the rear is movably connected with the second front axle. The power-assisted cylinder assembly can provide steering assist power, can serve as the transition rocking arm, needs no piston, and can bear more pressure, thus outputting bigger steering moment; the dual-front axle vehicle steering system is long in service life, and good in reliability.

The invention discloses a heavy duty vehicle R-type electric power steering device which comprises an ECU (electronic control unit), a steering wheel sensor, a steering column, a gear/rack steering gear and an electric power mechanism. The ECU of the device acquires corner/torque signals of a steering wheel and vehicle speed signals, current outputted to a sleeve motor is calculated, rotation of the sleeve motor is subjected to deceleration and torque increase by a planetary roller screw mechanism and then transformed into translational motion of a screw, namely, one part of force of a rack ofthe steering gear and a tie rod is from the force moment of the steering wheel turned by a driver and inputted by the steering column and the gear/rack steering gear, another part of the force is from the torque of the sleeve motor and inputted by the planetary roller screw mechanism, and the two parts jointly realize the steering intention of the driver. The heavy duty vehicle R-type electric power steering device is compact in structure, reliable in work, high in efficiency, stable in steering and suitable for power-assisted steering work of a motor bus under the condition of heavy load.

The present invention relates to a device for document automatically entering and exiting and a method using the device to scan documents in two-sides; the device comprises an input tray, an exit tray, a scanning module, a first steering group, a second steering group, first to fourth paths, and an exit path. During double-sided scanning, documents can be sent to the scanning module through the first path to scan the first side; then the documents can be sent by the second path to the first steering group, and can be sent back to the first path consequently by the third path via the inversion of the first steering group, and can be scanned for second time by the scanning module; and then the documents can be sent to the second steering group along the fourth path, and next, under the help of the second steering group, the documents can be sent along the exit path to the first steering group, and then can be sent to the exit tray to finish the double-sided canning; via the paths and a first leading unit, the present invention can not cause repeated paths no matter how the documents are on the way of one-sided canning and double-sided canning, thereby avoiding paper blocking, solving the problem of ordering paper as well as shortening the canning path and time.

The invention relates to the technical field of hybrid power and discloses a hybrid power control method and a hybrid power control system based on a combined type hydraulic steering system. The control method comprises the following steps: (1) when an engine is started, an electric steering system is closed, a mechanical steering system works, and hydraulic oil flows out through a steering oilcan, enters the mechanical steering system, flows to an assisting steering gear to realize steering and finally flows into the steering oilcan; and (2) when the engine is closed, the mechanical steering system is closed, the electric steering system works, and the hydraulic oil flows out through the steering oilcan, enters the electric steering system, flows to an assisting steering gear to realize steering and finally flows into the steering oilcan. By utilizing the scheme that the mechanical steering system and the electric steering system are integrated together, and the mechanical steering system and the electric steering system assist the assisting steering gear and the steering oilcan, so that the redevelopment is not required, and the development cost can be lowered; and the driving steering requirements of vehicles are met, meanwhile, the energy consumption is reduced, the cost is saved, and the product reliability is improved.

The invention relates to a double-front-axle car steering system. The double-front-axle car steering system comprises a steering gear, a steering gear rocker arm, a first axle straight-drawing pole, a first front axle steering knuckle arm, a second axle straight-drawing pole, a second front axle steering knuckle arm, a first front axle, a second front axle, a first axle steering knuckle and a second axle steering knuckle. According to the double-front-axle car steering system, compared with an existing steering system, a transitional pull rod and transitional rocker arm assembly is omitted, the structure is simpler, the weight of the system is lowered, and the manufacturing cost is lowered; meanwhile, since the transitional pull rod and transitional rocker arm assembly is omitted, two rotating pairs and five spherical hinge points are omitted, loss of steering force is reduced, and steering can be conducted more lightly; free clearances of the steering system are decreased, and steering is more precise; the steering system is compact in arrangement space, and the arrangement space can be saved; and the steering system can be applicable to cars with second front axles capable of being lifted up.

A three-wheel rolling vehicle with front two-wheel steering comprising a frame (13), a handlebar (16), a rear wheel (12) rotating with respect to the frame (13) and a steering group which operates two front wheels (14, 15), in which two horizontal crossbars (21, 22) are foreseen, connected through hinges (40-43) of the side tubes (36, 37) and through additional hinges (23, 24) to the frame (13), the tubes (36, 37) rotatably supporting steering tubes (31, 32).

The invention belongs to the technical field of hair dryers, and in particular relates to an integrated tuyere, which includes a housing provided with an air outlet, an air guide vane, and a connecting rod; the air guide vane is rotatably arranged in the air outlet, and the air guide vane includes at least One piece of upper air guide piece and at least one piece of lower air guide piece. The connecting rod includes an upper link and a lower link. Both the upper link and the lower link are provided with at least one set of steering blocks. Hold the upper air guide vane, and the direction adjustment blocks of the upper connecting rod respectively bear against the lower link rod; thus, the upper link and the lower link rod are respectively slidably connected with the upper air guide vane and the lower air guide vane. In the normal state and the wind collecting state of the present invention, the air guide vane is completely fixed by the adjustment block without shaking, which can improve the use experience of the hair dryer.

A direction control device for an electric vehicle relates to a steering device. It includes a steering gear, a pull rod, a central rocker arm and a steering link. One end of the steering gear is connected to the pull rod through a fork joint, and the other end of the pull rod is fixed on the central rocker arm through a pin shaft. The left and right sides of the central rocker arm are symmetrical The steering link is fixed on the front of the car, and the ends of the steering link are respectively connected with the left and right front wheels. The invention has the advantages of simple structure, convenient connection, little influence on the positioning of the front wheels, less wear of tires, and more labor-saving turning of the steering wheel.