1430results about How to "Small turning radius" patented technology

The invention discloses an articulated front-handling mobile crane. The crane comprises at least one braking device, wherein at least one of a front-left wheel or a front-right wheel of the articulated front-handling mobile crane can be independently braked by the braking device. The invention also provides an operation control system for the articulated front-handling mobile crane, which comprises at least one braking device, an independent brake switch, a safety device, a vehicle speed monitoring device and a control device. The articulated front-handling mobile crane can take a front wheel on any side thereof as the center for steering, so the articulated front-handling mobile crane can remarkably reduce steering radius and improve placing accuracy and small-space activity ability of heavy objects. At the same time, the articulated front-handling mobile crane can also ensure that the braking device cannot be started during high-speed operation further to improve safety performance and ensure the safety of personnel, equipment and loads.

The present invention discloses a composition method of a gantry four-dimensional automatic measurement platform for detecting photochromic performance of display screens and a gantry four-dimensional automatic measurement platform using the method. The present invention relates to the automatic measuring technology of the photochromic performance of display screens, and comprises a platform base, a gantry frame, an X-axis moving mechanism, a Y-axis moving mechanism, a Z-axis lifting mechanism, and a display screen-carrying rotating platform. By moving the mechanisms to control the circuit, the four-dimensional automatic measurement platform for detecting photochromic performance of display screens is flexibly controlled to accomplish the three-dimensional move of the photochromic measuring instrument and the accurate one-dimensional rotation of the display screen to be measured, the present invention is characterized in stable movement of the photochromic measuring instrument, small rotation radium of the display screen, novel structure, small driving power needed, small size, light weight, low cost, rapid measuring speed, high reliability and so on. The present invention can be widely applied to the photochromic automatic detecting system of LCD or LED television screen, display screen, or mobile phone screen and so on, and the present invention can precisely adjust the coordinate position of the test points and the angle of the display screen intelligently according to the detecting requirement of photochromic performance of the display screens under the computer management, and rapidly accomplish the detection of photochromic performance.

A high-precision inner detecting device for seabed oil and gas pipeline flaws is characterized in that an anti-collision head and a front power packing cup are connected to the front end of a body support shaft, the rear of the front power packing cup is connected with a floating magnetization detecting block through a hinge mechanism, and a lateral jacking spring is disposed on each of the front side and the rear side of the floating magnetization detecting block to form a floating magnetization circuit and a magnetic flux leakage detecting block unit. A finger probe is disposed on the floating magnetization detecting block. A guide groove and a limit ring are arranged at the rear end of the body support shaft. A rear power packing cup is disposed at the rear of the guide groove. The front packing cup and the rear packing cup jointly form a power drive system. A battery pack unit and an electronic recorder are respectively disposed at the front and the rear of a seal cabin in the body support shaft in an opposite insertion manner. A detector odometer wheel unit is mounted at the tail of the body support shaft. By the floating magnetization detecting structure, online inner detection of oil and gas pipeline flaws under complex working conditions can be well achieved.

A system is provided for controlling the load split between the axles and thereby the theoretical wheelbase of a vehicle having two front axles being suspended in suspension units at least some of which have springs with adjustable stiffness. A method for controlling the load split between the axles and to a motor vehicle including such a system and / or by use of such a method is also disclosed.

The invention relates to an urban railway operating vehicle and particularly relates to a straddle type single-track operating vehicle with a four-wheel-pair structure. The problems of heavy carriage, complex driving mode, low driving efficiency, heavy bogie, and the like, of the present operating vehicle are solved. The straddle type single-track operating vehicle comprises a carriage, a front bogie, a rear bogie, an I position wheel pair, an II position wheel pair, an III position wheel pair and an IV position wheel pair, wherein each bogie comprises a frame, a vehicle body supporting device and a dragging device; the whole frame has an II-shaped all-steel welded plate type box structure and comprises a lateral beam, an end beam, a central beam and a longitudinal beam; a motor bracket is fixed between the upper part of the lateral beam and the longitudinal beam; the I position wheel pair and the II position wheel pair are mounted on the motor bracket of the rear bogie; the III position wheel pair and the IV position wheel pair are mounted on the motor bracket of the front bogie; a guide wheel assembly is mounted in the middle of the lateral beam; a stable wheel assembly is mounted on the lower part of the lateral beam. The line demand on a single rail PC beam is reasonably met; the safety factor is high; the traction performance is excellent; the structure is simple; the repairing is easy; the vehicle running is stable; the braking performance is excellent.

A power-assisted wheelchair (1) having an electric motor (32), a potentiometer (27) as means for detecting human power applied to wheels (2), and a controller (31) as means for controlling the electric motor (32) according to the detected human power so as to set the time-attenuation rate of the assist power to be greater as the human power is smaller, and to be smaller as the human power is greater.Therefore, the coasting amount of the wheelchair (1) for small indoor movements for example is restricted to a small value. As a result, small indoor movements with a small turning radius are made possible, a sufficient coasting amount is secured for an outdoor running. Therefore, along with the possibility of a comfortable running on a level road, a steep uphill running is made easy, and the physical effort of the rider is alleviated.

A suspension maglev rail transit system includes an orbital system, a suspension system, a control system and a car system, wherein the control system comprises a drive system, a guidance system and asuspension control system, wherein the track system is suspended in the air through upright posts, the car system is suspended vertically below the track system through the suspension system, and thedrive system and the guidance system cooperate to drive the car system to operate in the track system. The invention utilizes the levitation force with the permanent magnet repulsion force as the main force and the electromagnetic regulation as the auxiliary force to suspend the car on the air track, and realizes the stable operation through the non-contact traction of the linear motor. The invention has the advantages of low energy consumption, high safety, no land occupation, low cost, strong climbing ability, small turning radius and wide adaptability.

The invention discloses a novel forklift type AGV (automatic guided vehicle) trolley. The novel forklift type AGV trolley comprises a trolley body, wherein a lifting system is arranged in the front of the trolley body, and the lifting system is connected with a material fork in transmission mode. The novel forklift type AGV trolley is characterized in that a multifunctional integrated control device is arranged on the trolley body, a dual wheel differential drive device is arranged in the middle of the trolley body, the dual wheel differential drive device is connected with the multifunctional integrated control device, protection devices are arranged around the trolley body, and an adaptation movement mechanism is arranged at the bottom of the trolley body. The novel forklift type AGV trolley achieves the purpose of adding the characteristics of turning in circles, being accurate to control and automatically running of an AGV based on performance of a forklift, and simultaneously can guarantee the advantages of being flexible to swerve and small in swerve radius.

The invention discloses an automatic clearing ship for rubbish on water and belongs to the technical field of cleaning the rubbish on the water. The ship comprises a ship body, a rubbish collection system and a rubbish transport system, wherein the rubbish collection system comprises a rubbish storage bin, a chain shaft, guide arms, an arresting barrier, chains and a collection basket; the rubbish transport system comprises a guide rail transmission stand and a lifting stand; the guide rail transmission stand consists of transverse guide rails and longitudinal guide rails by crossing; and the lifting stand comprises a hook, a sleeve, diagonal rods, a base, a vertical rod, a cross rod, a motor and a screw rod. The ship body is simple in structure, so that the structure of the complete ship is simplified on the basis of function addition, the operation cost and manufacturing cost are lowered greatly, the energy consumption is reduced correspondingly, the popularization and use of the clearing ship are facilitated, and the automatic clearing of the rubbish on the water can be achieved.

The invention discloses a bionic underwater glider, which comprises a glider main body, a buoyancy changing device, an empennage and a gliding wing; the buoyancy changing device is arranged on the glider main body, and changes the net buoyancy of the bionic underwater glider by changing the displacement volume; The tail fin is arranged on the tail of the glider main body through a tail fin swing mechanism to realize the back and forth swing function of the tail fin; Rotate function. Also disclosed is a bionic underwater glider propulsion method. The present invention can effectively cooperate in different working modes, so as to realize mixed propulsion and enhance the ability of diverse observation tasks. It has high propulsion efficiency, strong maneuverability, flexibility of bionic propulsion and high efficiency of gliding propulsion.

The invention provides an integrated steering and suspension system which comprises a steering motor. The steering motor is in transmission connection with one end of a main pin shaft through a speed reducer; a sleeve is sleeved outside the main pin shaft; the main pin shaft is not in rotation connection with the sleeve; the sleeve can slide axially relative to the main pin shaft; one end of a circular pipe is fixed on the outer surface of the sleeve and the other end is fixed on the side surface of a first connecting block; the first connecting block is fixedly connected with one end of a wheel axle; the other end of the wheel axle is fixedly connected with a wheel hub; the other end of the main pin shaft is fixed with one end of a second connecting block; the other end of the second connecting block is fixedly connected with one end of a damper spring; and the other end of the damper spring is fixedly connected with the first connecting block. The system does not need the independent suspension guide rod system and has a simple structure, the steering space of wheels is greatly improved, and the smaller steering radius can be realized.

The invention discloses a rail engineering truck steering frame belonging to the field of rail vehicle steering frames. Aiming at the defects of large turning radius and incapability of meeting the low-speed operation working conditions of the traditional rail engineering truck, the steering frame comprises an H-type frame, ATP (Array Transform Processor) induction coil devices arranged at end parts of two lateral beams of the frame, rim lubricating devices arranged at two ends of a locomotive, a primary suspension device, a secondary suspension device, a third rail current collector arranged at the middles of the lateral beams of the frame, a basic brake device transversely arranged on the lateral beams of the frame, and a traction device connected with the frame by adopting a full-suspension manner; and a gear box is hung on a cross beam of the frame and is internally provided with two stages of gear transmissions with total transmission ratio of (7.63-10.03):1. The rail engineering truck steering frame has the highest operation speed of 90km / h, the continuous speed of about 18km / h and the lowest operation speed of below 5km / h and has the advantages of small turning radius, high low limit, simpler structure, convenience for maintenance and high reliability.

The invention is concerned with the electric bicycle, especially the bicycle that the left and the right wheel can automatic balance, the two wheels are at left and right side of the rider, includes the carriage, the standing stick, the wheel, the electromotor, the driving circuit, the angle, the angle velocity transducer, and the treadle transducer, the characteristic is: the carriage (-) is composed by the separating of the cell chamber (-) and the electric chamber (-), the electric chamber (-) is set the electromotor (-,-), the electromotor driving circuit (-,-) and the central processing circuit (-); the electromotor driving circuit (-,-) includes the release loop, the release loop is set the release switch (-) and the consumed or stored energy element (-); the end of the handle assembly (-) is set the steering controlling mechanism (-,-).

The invention discloses a wing with a self-adaptive variable camber trailing edge. The wing comprises a main wing, a rear beam and a variable camber trailing edge section, wherein the variable camber trailing edge section is connected with the main wing through the rear beam; the variable camber trailing edge section comprises an upper surface skin and a lower surface skin; the first end of the upper surface skin and the first end of the lower surface skin are respectively connected with the rear beam; the other end of the upper surface skin and the other end of the lower surface skin are connected through a rigid trailing edge; the parts, close to the rigid trailing edge, of the upper surface skin and the other end of the lower surface skin, are connected through a sliding mechanism; the sliding mechanism is connected with the rear beam through a shape memory driving part. By adopting the technical scheme, compared with a conventional similar wing, the wing with the self-adaptive variable camber trailing edge has the advantages of simple structure, light weight, low research and manufacturing cost, high flying performance and the like, the aerodynamic performance of an aircraft is greatly improved, the aerodynamic efficiency of the aircraft is improved, the oil consumption is reduced, and the use cost of the aircraft in the whole service life is lowered.

The invention relates to an urban railway working vehicle bogie and particularly provides a straddle type single track working vehicle bogie, aiming at solving the problems that an existing bogie cannot meet the operation requirement that a single track road has more bends and slopes and is narrow. The straddle type single track working vehicle bogie comprises a framework, a secondary suspension device and a traction device, wherein the whole body of the framework is of an II-shaped all-steel assembly welding plate type box-shaped structure, and comprises a side beam, an end beam and longitudinal beams; motor brackets are fixed between the upper part of the side beam and the longitudinal beams respectively; the motor brackets are provided with walking wheel assemblies; four guide wheel assemblies are mounted in the middle of the side beam and two stable wheel assemblies are mounted on the two sides of the lower part of the side beam; the secondary suspension device adopts a secondary steel coil spring assembly; walking wheels are rubber steel wire tyres filled with nitrogen; guide wheels and stable wheels are additionally arranged so that a working vehicle can be safely and stably operated; the turning radius is small, the climbing capability is strong, the sticking force is high, the highest operation speed is 40km / h, the working speed is 5km / h and the rescuing speed is less than 5km / h; the straddle type single track working vehicle bogie has a simple structure, is convenient to maintain and has a reliable performance.

The invention discloses a unicycle robot with the function of self-balancing realization. The unicycle robot comprises a wireless module, a gyroscope, a motion controller, and a servo driver. The servo driver includes an oscillating bar servo driver, a waist plate servo driver, a wheel servo driver, an oscillating bar, a waist plate, and a wheel; and the oscillating bar servo driver, the waist plate servo driver, and the wheel servo driver are respectively connected with the motion controller by leads. The gyroscope and an oscillating bar encoder collect a unicycle body gesture; a signal is fed back to the motion controller; the signal is processed by the control program and thus a control instruction is sent to the oscillating bar servo driver, the waist plate servo driver, and the wheel servo driver, so that the oscillating bar, the waist plate, and the wheel are controlled to rotate to adjust and control the gesture of the robot. According to the invention, the rotation inertia of the oscillating bar and the waist plate can be adjusted by an on-line way; the adjusting capability of the balancing and turning of the unicycle robot can be enhanced; and the aadaptability to the dynamic complex environment, of the robot can be improved.

The invention discloses a stealth single-hull small waterline area hydrofoil unmanned ship sailing on water and a sailing method. The upper portion of the stealth single-hull small waterline area hydrofoil unmanned ship is provided with a control cabin, the middle portion comprises posts, and the lower portion is a submerged body. The front section of the submerged body is a submerged body bow, the middle section of the submerged body is a submerged body middle part, and the rear section of the submerged body is a submerged body stern. Two water ballast spaces, two power supply cell boxes and a hydrofoil control mechanism are arranged inside the submerged body middle part of a hull. The two water ballast spaces are symmetrically arranged front and back; the two power supply cell boxes symmetrical front and back are arranged between the two water ballast spaces; and the hydrofoil control mechanism is arranged in the center of the space between the two power supply cell boxes. A pair of hydrofoils is symmetrically arranged on the left side and the right side outside the submerged body middle part of the hull. A main motor, a coupler, a main shaft and a tail vane control mechanism are arranged inside the submerged body stern of the hull. A pair of tail vanes is symmetrically arranged on the left side and the right side outside the submerged body stern of the hull. The stealth single-hull small waterline area hydrofoil unmanned ship has excellent seakeeping, speedability and resistance properties, and can achieve the three navigational statuses of body navigation, winging operation and submerge navigation.

A steering control method for a trailer includes firstly, controlling steering of front wheels of a tractor and acquiring deflection angles theta 1 of inner steering front wheels of front wheels of the tractor and an included angle alpha between a longitudinal central vertical plane of the tractor and a longitudinal central vertical plane of the trailer; and secondly, controlling steering of other pairs of steering wheels of the trailer, so that deflection angles of various other inner steering wheels on the tractor meet an inequality of arctan [(Li / L1)Xtan(theta 1)-3 degrees]< / =theta i< / ={arctan[(Li / L1)Xtan(theta 1)]+3 degrees, and deflection angles of various inner steering wheels on the trailer meet an inequality of [alpha-arctan(Z / P)-3 degrees]< / =theta j< / =[alpha-arctan(Z / P)+3 degrees]. The invention further provides a controller, the trailer and a steering system of the same. The steering control method, the controller, the trailer and the steering system have the advantages that the various wheels of the trailer can at least rotate around the same steering central area, abnormal abrasion to tires is obviously relieved, and the steering stability and the passing ability of the trailer are improved.

The invention discloses an intelligent variable rate fertilizer for rice and a variable rate fertilization method thereof. In the technical scheme of the variable rate fertilizer, a hyperspectral remote sensing system and an image acquisition system are arranged on the front end of a traction engine body; a variable rate fertilization unit is arranged on the upper part of a support rack; a fertilizer spreading mechanism is connected with the variable rate fertilization unit and is arranged on the lower part of the support rack; a speed measuring sensor is arranged on a ground wheel; the variable rate fertilization unit and the fertilizer spreading mechanism are both connected with a hydraulic drive system; a GPS antenna and a GPS mobile station which can communicate with the hyperspectral remote sensing system and the image acquisition system are arranged in the traction engine body; and a control system is used for processing data and controlling the actuation of the variable rate fertilization unit and the fertilizer spreading mechanism. The variable rate fertilization method realizes real-time detection of the contents of N, P and K in rice through information fusion of the hyperspectral remote sensing system and the image acquisition system, and can achieve the rice fertilization according to needs based on nutritional profits and losses. The invention has the advantages of accurate fertilization and good controllability, and is suitable for fertilization in the rice growing period.

The invention discloses a hollow shaft rotary sealing concrete mixing truck which comprises a mixing drum that is arranged on a truck body and can rotate relative to the truck body. A feeding cylinder is arranged in the middle of an outlet of the mixing drum. The hollow shaft rotary sealing concrete mixing truck further comprises a moving component which is arranged on the truck body and can move relative to the truck body; a sealing cover is arranged on the moving component through a rotary support; the external edge of the sealing cover is in contact with the external edge of the outlet of the mixing drum, and a first sealing device is arranged at the contact part; and the sealing cover, under the driving of the mixing drum, rotates relative to the moving component along with the mixing drum. The sealing cover for plugging the mixing drum is in a rotary structure and synchronously rotates along with the mixing drum, and a dynamic sealing part is changed to be positioned between the feeding cylinder and a feeding hopper accordingly, thus the rotating radius of the dynamic sealing part is reduced substantially, the relative linear velocity of the dynamic sealing part is reduced, the abrasion to a sealing component is reduced when the sealing effect is ensured, the reliability of the hollow shaft rotary sealing concrete mixing truck is improved, and the maintenance difficulty is lowered.

Method is provided for drilling of formations containing carbonate minerals with flexible tubing capable of being turned in a very short radius. The very flexible tubing may be placed inside a work string in a well with coiled tubing and a micro-jet bit on the tubing be diverted to a selected direction and depth. Acidic drilling fluid pumped through the micro-jet bit allows high rates of drilling with hydrochloric acid. A slip joint between coiled tubing and the flexible tubing may be used to allow jet drilling without movement of the coiled tubing and use of a jet bit with forward-facing jets. Mixing of acid and base solutions downhole may be used to provide hotter acid solutions for drilling.

The invention relates to a translation type movable box overturning and material dumping device. The translation type box overturning and material dumping device comprises a trolley (1) which travels between a skyrail (12) and a ground rail (13) and can reciprocate along the rails, a lifting table (2) which is arranged between two uprights (3) at two sides of the trolley and can move up and down along the uprights (3), a fork device (4) which is arranged on the lifting table (2) and can horizontally extend and retract in perpendicular to the traveling direction of the trolley, and a box overturning and material dumping device (5) which is arranged at the bottom of the fork device (4) and can be overturned. According to the translation type movable box overturning and material dumping device provided by the invention, the box overturning radius is small, the working process is stable and reliable, multiple functions can be realized, the equipment investment cost is saved, the materials are prevented from being scattered to the outside of the boxcar in moving and overturning processes at the same time, and the production cost can be reduced.

The invention relates to a piezoelectric cantilever beam generator for a wind driven generator blade monitoring system and belongs to the field of new energy resources and power technology. A left end cover and a right end cover are installed at two ends of a shell body through bolts. The bottom of the left end cover and the bottom of the right end cover are respectively provided with a first magnet and a shaft sleeve in an embedded mode. Piezoelectric vibrators are connected between the left end cover and the shell body and between the right end cover and the shell body in a pressed mode. A second magnet is installed at a free end of each piezoelectric vibrator. A rotary shaft of a driving disc is placed in the shaft sleeve which is embedded at the bottom of the left end cover and the shaft sleeve which is embedded at the bottom of the right end cover. A mass block is welded to the outer edge of a driving disc body and a third magnet is embedded in the outer edge driving disc body. The piezoelectric cantilever beam generator for the wind driven generator blade monitoring system has the advantages that relative rotation is generated between the magnet arranged on the driving disc and the magnets arranged on the piezoelectric vibrators, the piezoelectric vibrators are effectively driven, power is generated, and external fixed supporting is not required; the generator is an independent assembly, so that the structure of each blade does not need to be changed, and installation and maintenance are convenient; the generator is composed of the fan-shaped piezoelectric vibrators with the magnets with different masses, so that the piezoelectric cantilever beam generator for the wind driven generator blade monitoring system is high in reliability, strong in power generation capacity and wide in speed band.

A transmission for speed changing and steering of a vehicle comprises a first HST and a first differential for speed changing and a second HST and a second differential for steering. The first HST is a combination of a hydraulic pump and motor. The pump is driven by an engine and the motor is drivingly changeable by operation of a speed change pedal. Output power from the motor is transmitted into a pair of first differential output shafts as axles through the first differential. The second HST is a combination of a hydraulic pump and motor. The second pump is driven by output power from the first HST and the second motor is drivingly changeable by operation of a steering wheel. A pair of second differential output shafts are rotated in opposite directions by output power of the motor, so that when turning, the first differential output shaft on the opposite side of the turning direction is accelerated.

The invention belongs to the field of electromechanical technique, and relates to a spherical moving robot, and in particular relates to a fluid driving spherical robot which comprises a spherical shell, an annular seal container, axial flow devices, an inner driving rotating mechanism and a main shaft. The fluid driving spherical robot is characterized in that the spherical shell consists of two hemispherical shells including a left hemispherical shell and a right hemispherical shell; the annular seal container is positioned in the spherical surface; the outer annular surface of the container is concentric with the spherical surface of the spherical shell; the container is filled with fluid; the volume of the fluid is half of the volume of the container; two axial flow devices are symmetrically installed in the annular seal container; the axial flow devices drive a liquid to flow in the annular seal container, thus the mass center of the spherical robot is changed, thus the spherical robot can move forwards and backwards; the inner driving rotating mechanism positioned in the spherical shell mainly comprises an inner driving bracket, a motor, a motor support, a flywheel shaft, a flywheel, an electricity supply power supply and a controller; the main shaft is fixedly connected with the inner driving bracket through the motor support; the fly wheel is installed on the inner driving bracket through a bearing; the motor shaft is connected with the fly wheel through a coupling; and the motor drives the lower part of the motor to rotate together with the flywheel shaft vertical to the main shaft and the fly wheel, and the spherical robot takes a turn under the driving of the fluid on the basis of an angular momentum conservation principle.

The invention relates to a three-wheel type multifunctional rollator. The technical scheme is that the front ends of two rollator frames (12) are symmetrically installed above a hinge support (14), a universal wheel (13) is installed below the hinge support, the rear ends of the rollator frames (12) are provided with rear wheels (11), the front ends of the rollator frames (12) are provided with horizontal petals (15), grab bars (1) are sleeved on vertical rods of the rollator frames (12), and the vertical rods of the rollator frames (12) can be folded through folding rotating shafts (9). A movable backrest (21) is installed on a back belt support (22) and can change positions in the forward and backward direction and achieve the functions of a chair wheel and a rest seat. A lifting rope (3) achieves the folding and unfolding of the rollator frames (12) by rotating rotary sleeves (5) arranged on two sides of a folding seat plate (4) around a transverse shaft (18) and by rotating the transverse shaft (18) around a vertical short shaft (19). A shopping bag (16) is installed below the folding seat plate (4) to achieve a shopping function. A baby carriage bucket (32) is additionally installed on the rollator frames (12) to achieve a baby carriage function. The foldable multifunctional rollator has the advantages of being simple in structure, strong in universality, convenient to fold, small in storage space and multiple in function.

The invention provides a spherical underwater robot based on vector advancing. The spherical underwater robot based on vector advancing comprises a spherical light housing, a main body frame and a compressive cabin and a control circuit, wherein the main body frame and the compressive cabin are mounted within the light housing; the control circuit is mounted in the compressive cabin; four propellers are placed around the light housing; four rotating shafts, which are uniformly placed around the centre of sphere in a circumferential direction, are mounted on the main body frame; the propellersare fixed at the outer ends of the rotating shafts; the other ends of the rotating shafts are connected with propeller steering engines; the propellers are Kort ducted propellers; brushless motors aremounted in the propellers; the control circuit comprises a main control chip, a battery, a voltage conversion chip, a posture sensor and an optical transmitter and receiver; a water through tight joint for an optical fiber and an electric wire of the control circuit to pass through is arranged on a sealing head of the compressive cabin; cameras are arranged at the top and the bottom of the robot;and a manipulator is arranged at the bottom of the robot. The spherical underwater robot based on vector advancing can rapidly, flexibly and stably sail in the water.

The present invention relates to the traveling and steering mechanism of shuttle car with rubber wheels. The traveling and steering mechanism has structure comprising a steering rack, wheels, a traveling motor, a traveling speed reducer, a wheel side speed reducer, a sync shaft, a long transmission shaft, a short transmission shaft, a transverse pull rod, a longitudinal pull rod, a steering oil cylinder, a steering block, and steering head, an upper steering arm and a lower steering arm. It has the traveling mechanism designed through combining the traveling motor, the traveling speed reducer and other parts, and the steering mechanism of link rod type. It has small turning radius, can in-site turning and is suitable for shuttling operation in the narrow underground room. It possesses the advantages of integral linkage, compact structure, convenient operation, etc.