52results about How to "Low steering resistance" patented technology

The invention relates to an unmanned rail electric vehicle and a sky-train system. Regarding the rail electric vehicle, a lane is laid by turnout-free light rails and an anti-impact vertical guide pavement closed and laminate lane, and the vehicle runs on the railway, thus being named as sky-train; the rail electric vehicle adopts unmanned driving, and a destination is found through addressing codes by a vehicular computer system and through road infrared remote control information; a rail electric vehicle monitor center, an automatic indoor parking lot, a high-rise high-capacity indoor parking lot, an indoor platform and a waiting room are arranged; a bus-type rail electric vehicle ticket can be booked by a method which sends a short message via an internet mobile phone, and a taxi-type rail electric vehicle or a household rail electric vehicle can be reserved for pickup on time at a right station; a steering mechanism does not have a steering wheel, the vehicle steering can be completed by a main steering wheel and an auxiliary steering wheel through guiding pavement; and the rail electric vehicle can be a bus type, a taxi type, a household type and an online goods delivery and receiving type.

The invention provides an amphibious haulage vehicle which comprises a vehicle body and two crawler travel units (2), wherein, the two crawler travel units (2) are respectively arranged on both sides of the lower part of the vehicle body; each crawler travel unit (2) comprises a floating box and at least two crawlers (21) which are arranged on the outer side of the floating box in parallel. Compared with the prior art, the crawler travel units comprising at least two crawlers that are arranged in parallel are respectively arranged on the left and the right sides of the amphibious haulage vehicle, so that the integral structure of the vehicle can be more compact and the steering resistance force is reduced when equivalent earthing specific pressure is ensured.

The invention discloses a steering wheel direction moving mechanism. Synchronization opposite-direction transmission is carried out by meshing of three gears, then synchronization identical-direction transmission is carried out in a transition mode, and steering is achieved. A transition gear is arranged in the middle, so that offset distance transmission from input (an opposite-moving small gear) to output (a rotating disc) is achieved, and the purpose of offset steering is achieved. The opposite-moving small gear, the transition gear and the rotating disc in the steering wheel direction moving mechanism are arranged on a direction component fixing plate. The opposite-moving small gear, the transition gear and a rotating disc gear are arranged on the same plane in a meshing-transmission mode for transmission, and three points at the mounting center are on the same straight line. The rotating disc is provided with a sector tooth face, and the two ends of the sector tooth face are provided with rotating angle limiting clamping positions for limiting the rotating angle quantity of the rotating disc respectively. The rotating disc is arranged on a main shaft of a front wheel fork frame component in a sleeved mode. Offset steering of a direction is achieved through meshing transmission of the three gears, and meshing transmission of the three gears is carried out from synchronization opposite-direction transmission to synchronization identical-direction transmission in a transition mode.

The invention discloses a front axle assembly and an assembly method thereof. The front axle assembly comprises a front axle, a knuckle assembly and a main pin. The main pin of the front axle assembly adopts a structure of upper and lower needle bearings of unequal-diameter structures, the reliability and the stability of the front axle assembly can be obviously improved, the service life of the front axle assembly is obviously prolonged, steering resistance is reduced, the matching surfaces between the main pin and the needle bearings cannot be scratched during assembly and overhauling of the main pin, and a special tool is designed to facilitate assembly; and linings of the needle bearings adopt flanging structures and are assembled in the required direction, loosening of needles is prevented, the number of the assembly parts is decreased, the assembly technology is easy, and the structure is compact. The inner diameters of the upper and lower needle bearings used for the main pin are unequal, the diameter difference is smaller than half of the diameter of each needle bearing, the linings of the upper and lower needle bearings adopt the unilateral flanging structures, the flanging direction is toward the direction that the inner diameters of the needle bearings are decreased, and the two linings of the upper and lower needle bearings are pressed in in the same direction during pressing.

The invention discloses a pattern of a snow tire. The pattern comprises a tire crown pattern zone, a first tire shoulder pattern zone, a second tire shoulder pattern zone, a first tire sidewall pattern zone and a second tire sidewall pattern zone, wherein the tire crown pattern zone comprises first straight furrows, second straight furrows, first transverse furrows and second transverse furrows; each first straight furrow comprises a plurality of first straight furrow sections which are discrete; each second straight furrow comprises a plurality of second straight furrow sections which are discrete; circumferential and continuous tire crown pattern blocks are formed between the first straight furrows and the second furrows; the furrow walls of the first straight furrows and the second straight furrows are both set in sawtooth shapes; the first transverse furrows are located on the furrow walls of the outer sides of the first straight furrows and are set in sawtooth shapes; the second transverse furrows are located on the furrow walls of the outer sides of the second straight furrows and are set in the sawtooth shapes; snow nail installing holes are formed in the tire crown patternblocks, the first tire shoulder pattern zone and the second tire shoulder pattern zone. The pattern disclosed by the invention is capable of increasing the stability of straight movement and the sensitivity of steering, and the brake performance in snow is increased.

The invention provides a traveling device of a tractor, in particular to a paddy wheel which is made of metal. The paddy wheel can produce the friction in a paddy field to be consistent with that on a hard pavement, so that the tractor can obtain the traction force in the paddy field which is consistent with that on the hard pavement; and moreover the tractor dual-purpose paddy wheel is convenient to operate and small in steering resistance. The tractor dual-purpose paddy wheel is applicable to the traveling machinery which moves on the paddy field or on the hard pavement and on the pavement falling in between the paddy field and the hard pavement.

The invention discloses a wheel suitable for the terrain environment of the Mars. The wheel comprises a wheel body, a wheel driving joint, spokes, a driving mechanism, a hub, and pawls, wherein the wheel driving joint enables the wheel body and the driving mechanism to be connected, and connection joints connecting the spokes and connecting the driving mechanism are respectively designed; the wheel driving joint is connected with the spokes through screws and nuts; the spokes are rigid spokes and are mounted on one side of the wheel; the driving mechanism is arranged at the inner part of the hub; the spokes are connected with the hub through screws and nuts; the pawls are connected with the hub through screws and nuts. The wheel is beautiful in structural appearance, easy in machining, compact in structure, high in passability on the surface of the Mars and high in strength, can bear the weight of a Mars patrolling device, and can bear certain torque.

The invention belongs to the field of agricultural machinery and particularly relates to a multi-terrain mowing machine. The multi-terrain mowing machine is suitable for weed elimination at hills, mountains and flat grounds; power is provided by a gasoline engine; the operating mode is to work by manually operating the multi-terrain mowing machine; and the multi-terrain mowing machine has the characteristic of high efficiency and can greatly reduce the labor intensity of workers. The multi-terrain mowing machine can prevent slideslip, can realize differential speed during steering, can adjustthe remaining height of grass roots after cutting, can independently cut off weeds by cutting power and walking power, and can reduce the working strength of workers.

The invention discloses a steering control system and a baby carrier applying the same, relates to the baby carrier and aims at solving a problem that the steering torque is too large when a child controls the steering of the baby carrier. According to the technical scheme, the steering control system comprises a steering axle, a steering mechanism, a steering front wheel and a steering motor, wherein a clutch mechanism is arranged between the steering motor and the steering mechanism; the steering mechanism comprises a J-shaped steering rod; the clutch mechanism comprises a speed reducer, a force bearing disc, a force applying disc and meshing valves; the speed reducer is connected to the steering motor; the force bearing disc is coaxially fixed on the J-shaped steering rod; the force applying disc is connected to the speed reducer; and the meshing valves are arranged between the force applying disc and the force bearing disc. According to the steering control system, the steering torque is effectively reduced on the premise that the manual and electric steering control modes are rapidly switched, and a problem that a steering wheel is not prone to rotate due to small force of thechild is avoided, so that the use experience is improved.

The present invention relates to the improvement of wheel structure for mobile navigation platform. In the perceptive bionic sands wheel capable of being reconfigured for mobile navigation platform, there are outside elastic rim board fixed outside the hub camber, inside elastic rim board fixed inside the hub camber, elastic tyre set inside the central line of the rim capable of being reconfigured, perception sensor reflecting devices set in the equal interval inside the elastic tyre, and perception sensor sending devices set in the equal interval on the rack camber. The present invention has the advantages of simple and compact structure, improved linear running stability and turning performance, increased contact area to ground, capacity of suiting various environment, relatively high passing capacity in sandy environment, environment temperature and obstacle sensing capacity, etc.

The invention provides an overhead front axle assembly for a disc brake of a truck. The overhead front axle assembly comprises a front axle, disc brakes, hubs, steering knuckles, steering knuckle arms, transverse pull rod arms and longitudinal pull rod arms, wherein a plurality of openings are integrally formed in the outer edge of the disc surface of each hub so as to form a corrugated structureon the outer edge of the disc surface of the hub, and a plurality of hollow holes are integrally formed in a transverse H-shaped beam part of the front axle; and left wing plates are integrally arranged on one sides of the initial ends of steering knuckle shaft heads, right wing plates are integrally arranged on the other sides of the initial ends of the steering knuckle shaft heads, a bi-metal lining is arranged in a connecting hole of one fork arm in each steering knuckle, an FAG needle bearing is arranged in a connecting hole in the other fork arm in each steering knuckle, and framework oilseals are arranged at the joints between main pin holes and the connecting holes. The overhead front axle assembly is simple in structure and convenient to use; by utilizing the overhead disc brake,the distribution of the longitudinal pull rod arms is promoted, and an inner corner is enlarged, so that the front axle and the hubs are effectively lightened, the connection strength of the transverse pull rod arms and the longitudinal pull rod arms is increased, and the problems that the corner resistance is large, and a steering wheel is joggled are solved.

The invention relates to an automobile capable of steering and moving laterally conveniently and belongs to the professional technical field of automobiles. The automobile capable of steering and moving laterally conveniently comprises a frame and a steering device. The automobile capable of steering and moving laterally conveniently is characterized in that two driven wheel shafts are mounted on the frame in a rotary mode, and a driving wheel shaft located between the two driven wheel shafts is also mounted on the frame in a rotary mode; the driven wheel shafts and the driving wheel shaft are vertically arranged on the frame; driven wheels are mounted on the driven wheel shafts; a driving wheel is mounted on the driving wheel shaft; the steering device further comprises rotary pieces arranged between the driving wheel and the driven wheels; the driving wheel drives the driven wheels to rotate through the rotary pieces; steering wheels are mounted at the lower ends of the driven wheel shafts respectively. Compared with the prior art, the automobile capable of steering and moving laterally conveniently has the advantages of being capable of saving energy, environmentally friendly, high in safety performance and high in stability.

The invention provides wheels of a mobile robot with non-contact transverse sensory ability which comprise a perception sensor reflection device (2), a perception sensor emission device (4), an electrical machine component (5), a clamping sleeve (6), a wheel arm (7), a wheel hub (8), a cone-shaped sleeve (10), an elastic wheel rim exterior plate (13), an elastic wheel rim interior panel (18), an elastic tyre (14), a non-contact temperature sensor (15) and a bracket (20). The wheels of the mobile robot have the advantages that the wheels have simple and compact structure, increase the traction capability, improve the stability of the straight linear driving and turning performance, increase the area of contacting ground, can adapt to various environments such as common roads, firm ground and sand environment, simultaneously have stronger through capacity and little steering resistance in sand environment and sensory ability on environment temperature and barrier.

The invention provides a heavy-load universal wheel, which is characterized in that a wheel carrier is made of a high-strength structural steel material; a wheel shaft is horizontally and fixedly mounted on the wheel carrier; wheels are rotationally connected with the wheel shaft through bearings; a rotating shaft is vertically mounted on the wheel carrier; an inner ring of a plane thrust bearingis connected with the rotating shaft; the outer ring of the plane thrust bearing is fixedly connected to the wheel carrier; the periphery of the rotating shaft is sleeved with a cushion; a cushion lower baffle is mounted on the wheel carrier; the cushion lower baffle is located at the lower end of the cushion; a cushion upper baffle is mounted on the wheel carrier, and the cushion upper baffle islocated at the upper end of the cushion. The difference between the universal wheel and other universal wheels is that the universal wheel is large in riding load, large in eccentric distance, capableof achieving the buffering function and the like, the advantages of being uniform in wheel pressure, small in steering resistance and the like are guaranteed when multiple wheels are used at the sametime, and the universal wheel is a preferred product of a multi-spool heavy-load AGV.

The invention relates to a steering trapezoidal arm for automobiles, which comprises a body. The two sides of the body are symmetrically provided with transverse reinforcing ribs and longitudinal reinforcing ribs. A hole seat 1 is symmetrically arranged on both sides, and a fixing hole is arranged on the hole seat 1, and the transverse reinforcing rib is fixedly connected to the hole seat 1, and a bearing 1 is arranged in the fixing holes, and the cross arm 21 There is a hole seat 2 at the end, and a connection hole is provided on the hole seat 2, and a bearing 2 is arranged in the connection hole, and the bearing 1 and the bearing 2 are movably connected with the fixing hole and the connection hole, and are provided with transverse reinforcement Ribs and longitudinal ribs can not only increase the mechanical strength of the steering trapezoidal arm, but also reduce the weight of the steering trapezoidal arm and reduce the weight of the car. By providing hole seat 1 and hole seat 2, the two ends of the fixing hole and the connecting hole can be aligned with each other. The steering trapezoidal arm forms a certain distance to prevent friction between the mounting part and the first cross arm and the second cross arm.

The invention relates to a PDC (Polycrystalline Diamond Composite) drill bit with directional easy controllability enhancing performance. The PDC drill bit comprises a drill bit body, a crown part and cutting teeth, wherein a plurality of cutting teeth are arranged on the contour line of the crown part; the curved surface contour of the crown part of the drill bit is formed by sequentially and smoothly connecting a core part, a nose part, an outer side, a shoulder part and a gage section; the core part of the drill bit is a concave spherical surface; the cutting tooth near the center part of the drill bit is the cut-edge tooth; one intersection point of the cut edge of the cut-edge tooth with the excircle is positioned in the axial line of the drill bit body 1; the contour corresponding to the shoulder of the drill bit is of a spherical surface structure; and the contour corresponding to the gage section is of a conical structure. The PDC drill bit has the advantages that in the directional drilling and deflecting process, the fit of the core part of the drill bit with the shaft bottom is good; the steering resistance of the core part and the friction resistance of the gage are small; and the directional track deviation degree can be reduced through enhancing the directional operation and control performance of the drill bit and improving the shaft wall quality, so that the construction quality of directional drilling is improved.

The invention discloses a permanent magnet ring, a motor applying the permanent magnet ring, a manufacturing method and a mold, and belongs to the field of motor permanent magnet rotors. The permanent magnet ring is of a circular ring columnar structure integrally formed by magnetic powder and an adhesive, and comprises a magnetic conductive ring layer and a magnetic pole ring layer, wherein the magnetic pole ring layer is uniformly provided with a plurality of adjacent and opposite magnetic poles in the circumferential direction, and the magnetic conductive ring layer can enable the magnetic field of each magnetic pole to be restrained in the magnetic conductive ring layer. According to the permanent magnet ring, a magnetic conductive component of a motor can be omitted, and the permanent magnet ring can be directly assembled as a rotor of the motor, so that the step of installing the magnetic conductive ring on the magnetic ring during motor processing and assembling is omitted, and the process is greatly simplified; and the installation component of the permanent magnet ring in the motor is allowed to be made of a non-magnetic conductive material so as to expand the material selection possibility of the motor part, so that the use process possibility of the motor is further expanded, the cost of the motor is reduced, and the processing efficiency is improved.

There is provided an apparatus (100) for heating a liquid, comprising a wind turbine (1), a pump (5), and a circuit of piping. The wind turbine (1) drives the pump (5) to pump the liquid around the circuit of piping, and the circuit of piping comprises a friction pipe (14) through which the liquid is forced by the pump (5). Friction between the liquid and an inside of the friction pipe (14) generates heat, which gradually raises the temperature of the liquid by at least 20° C.

The invention discloses a combined heavy hydraulic truck. The truck comprises a tractor, a wolf vehicle main beam, a wolf vehicle platform, a front gooseneck, a front cargo platform, a rear cargo platform, a rear gooseneck and a wolf-like animal vehicle platform, one end of the wolf vehicle main beam is connected to a saddle on the tractor, and the other end is hinged to the wolf vehicle platform;the wolf vehicle platform is provided with a steering mechanism, one end of the front gooseneck is hinged to the wolf vehicle main beam, and the other end is hinged to the front cargo platform; the front cargo platform is connected to the rear cargo platform through an intermediate connecting seat; one end of the rear gooseneck is hinged to the rear cargo platform, and the other end is hinged tothe wolf-like animal vehicle platform. The truck has the advantage of improving the longitudinal swing angle of a wolf vehicle, so that the stability is better.

The intelligent charging pile comprises a charging pile body, a switch button is arranged on the rear portion of the right end of the charging pile body, a protection structure is fixedly connected to the front end of the charging pile body, and a steering groove and a rotating groove are formed in the upper end of the charging pile body; the charging pile body is jointly provided with a photovoltaic structure through a steering groove and a rotating groove, adjusting grooves are formed in the left end and the right end of the charging pile body correspondingly, a device groove is formed in the charging pile body and communicates with the two adjusting grooves, and charging structures are arranged in the two adjusting grooves correspondingly. The lower end of the charging pile body is fixedly connected with a set of supporting legs, and each set of supporting legs comprises four supporting legs which are symmetrically distributed in pairs. According to the invention, the characteristic of real-time follow-up energy absorption angle of sun movement is realized, the buffering performance and the protection area of the charging pile in collision are improved, the charging height is adjustable, and the charging pile is convenient for a user to use.