45results about How to "Guaranteed steering" patented technology

The present invention discloses a bionic detection and rescue system, which comprises a detection and rescue head, a turning power unit, a control power unit, an transmitting/receiving power unit, and several segments of moving units connected serially by springs; wherein, the front-end of the turning power unit is connected with the tail end of the detection and rescue head, the tail end of the turning power unit is connected with the front-end of the control power unit, and the tail end of the control power unit is connected with the front-end of the first moving unit, so that a main body is formed; the transmitting/receiving power unit is mounted on the tail end of the main body. The present invention has high accessibility, can move flexibly, and is easy to operate.

The invention provides a road line-marking vehicle, belongs to the technical field of road operation equipment and solves a problem of a poor adaptability of a road marking vehicle in the prior art. The road line-marking vehicle includes a pedestal. A heating barrel and a raw material barrel are fixedly connected to an upper side surface of the pedestal. Two main shafts are rotationally connected to a lower side surface of the pedestal. Two moving rods are slidingly connected to the lower side surface of the pedestal. Each moving rod is hinged to two moving wheels. A moving plate is slidingly connected to the lower side surface of the pedestal. A line-marking box is fixedly connected to a front end of the moving plate. A material discharge outlet is formed in the lower part of the line-marking box. A metering member is arranged in the line-marking box. A bottom shell is fixedly connected to the lower side surface of a back end of the moving plate and is rotatably connected to a front transmission wheel and a back transmission wheel, a transmission net is arranged therebetween in a sleeving manner. A gas spraying tube is fixedly connected to the bottom shell. The road line-marking vehicle is simple in structure, is convenient to use and is strong in adaptability.

The acid resistant foamed plugging agent is mixture comprising CO2 and foamed solution in the underground volume ratio of 2.5 to 1. The foamed solution consists of sodium dodecyl benzene sulfonate in 0.3 wt%, modified guanidine glue in 0.1 wt% and water for the rest. The present invention is applied in regulating the air intake profile of CO2 injecting gas well, and can plug the blow-by layer in gas injecting well and raise the economic value of gas injecting oil field.

A sample table of a neutron diffraction stress spectrometer is provided. The sample table includes a sample mounting plate, a horizontal movement system controlling horizontal movement of the sample mounting plate, a vertical lifting and descending system controlling vertical movement of the sample mounting plate, and a rotation movement system controlling rotation of the sample mounting plate, a neutron diffraction stress spectrometer detector and a capturer. The sample mounting plate is disposed on the horizontal movement system. The lower part of the horizontal movement system is connected to the vertical lifting and descending system. The vertical lifting and descending system is connected to the rotation movement system. The bottom of the rotation movement system is connected to a floating supporting system. The rotation movement system includes a sample table autorotation part, a sample table supporting mechanism and a swing and connecting part. The sample table autorotation part is used for controlling the sample mounting plate to rotate around the center axis. The swing and connecting part is mounted to the sample table supporting mechanism through a circular-arc guide rail, and is used for connecting the detector and the capturer, and moves along the circular-arc guide rail.

The invention provides an electric manned luggage box utilizing an advanced technique that a steering motor is matched with a turbine worm to achieve electronic steering. The electric manned luggage box is characterized in that a base is arranged on a conventional luggage box, an electric walking mechanism and an electric steering mechanism are arranged in the base, and direct-current motor wheels serve as driving wheels of the luggage box; when the electric manned luggage box serves as the conventional luggage box, a pull rod is dragged to start an electric device to electrically move forwards, and when the electric manned luggage box is used normally, a passenger can sit on the surface of the luggage box and operates the luggage box to move forwards or steer by touching keys through fingers; the passenger can change the state of the electric manned luggage box at any time to carry the electric manned luggage box or sit on the electric manned luggage box to move forwards, so that a big problem that the passenger cannot timely sit to take a rest when tired during walking is overcome, and the passenger can carry the electric manned luggage box and sit on the electric manned luggage box to move forwards during shopping, touring and vehicle waiting at security halls of airports, superstores, tour and sightseeing places and busy streets such as commercial pedestrian streets. The electric manned luggage box is reasonable in overall layout structure, is convenient to carry and comfort, safe and reliable to sit and has a wide market application prospect.

The invention provides a rotary online flushing device for a tubular heat exchanger, which comprises a liquid inlet tube assembly, a hydraulic steering mechanism, a liquid outlet tube assembly and a heat exchange tube flushing nozzle, wherein the hydraulic steering mechanism comprises a shell, a right-angle insertion tube, a drive bevel gear and a driven bevel gear; two ports of the right-angle insertion tube communicate with a liquid outlet of the liquid inlet tube assembly and a liquid inlet of the liquid outlet tube assembly respectively, the drive bevel gear and the driven bevel gear are arranged on the outer sides of two right-angle side pipelines of the right-angle insertion tube in a sleeving mode respectively, the liquid inlet tube assembly drives the drive bevel gear to rotate, and the driven bevel gear drives the liquid outlet tube assembly to rotate; The invention further provides a process system with the rotary online flushing device for the tubular heat exchanger. The rotary online flushing device and process system for the tubular heat exchanger have the advantages of being scientific in design, not easy to damage, smooth in transmission, reliable in use and capableof integrating the functions of high-pressure water flushing, dosing and cleaning.

The invention is applicable to the technical field of vehicle bench testing and provides a wheel steering following control system, which comprises a sensor device, a control device, a following actuator and a roller device. The sensor device comprises a first sensor and a second sensor, wherein a first distance to the wheel is detected through the first sensor, and a second distance to the wheelis detected through the second sensor; the control device obtains roller controlled quantity according to the first distance, the second distance and current roller steering angle; the following control mechanism drives the roller device to steer according to the roller controlled quantity so that the difference between the roller steering angle and the wheel steering angle of the wheel meets a preset angular difference condition. The wheel steering following control system in the invention controls a drive mechanism to change the roller steering angle according to the wheel steering angle andthe current roller steering angle so that the roller device follows the wheel to rotate in real time so as to reduce yawing force received by the wheel in the steering process; the position between the wheel and the roller is kept to be relatively stable; and the vehicle is ensured to normally steer during driving on a rack.

The invention discloses an intelligent logistics tracking trolley and a control system thereof. The intelligent tracking trolley and an upper computer used for controlling the intelligent tracking trolley are included, and the upper computer comprises an operating system. The intelligent logistics tracking trolley and the control system thereof are characterized in that the intelligent tracking trolley is provided with the intelligent tracking trolley control system used for controlling the intelligent tracking trolley to move, an intelligent controller is further included, the upper computer transmits signals to the intelligent controller, and after the signals are analyzed by the intelligent controller, the signals are transmitted to the intelligent tracking trolley control system so that the intelligent tracking trolley can be controlled to move. According to the intelligent logistics tracking trolley and the control system thereof, adoptive materials are simple, implementation can be achieved in a programming or designing mode according to the content of the intelligent logistics tracking trolley and the control system thereof, and popularization and application are convenient.

The invention discloses a luggage case. The luggage case comprises a case body, and except for normal luggage case wheels, a moving structure is added on the side surface of the case body to help the luggage case to achieve the vertical or horizontal motional functions, such as climbing stairs, so that manpower can be saved and the efficiency can be improved. The luggage case has the advantages of reasonable design, simpliness, easy implementation, high implementability, high efficiency, labor economization and the like.

The invention discloses the technical field of automatic welding equipment, and particularly discloses an automatic welding trolley, automatic welding device and a control method of the automatic welding device. The automatic welding trolley comprises a travelling component and a steering component; the steering component comprises a linear module provided with a movable sliding block and a powersource for driving the movable sliding block; the movable sliding block is connected with an in-situ steering mechanism through a connecting rod mechanism, the automatic welding device comprises the automatic welding trolley, the trolley is provided with a weld joint detection component and a welding component, the welding component comprises a welding controller, the welding controller is in communication connection with the weld joint detection component, the steering component and the travelling component are controlled through received weld joint information, so that the automatic weldingtrolley walks and tracks along a weld joint, and the automatic welding is completed. According to the scheme, the welding device can conduct long-distance welding on the weld joint, is not affected bythe stroke of a tracking device, and has the advantages of flexibility, convenience, high adaptability and high control precision.

The invention provides a carbon-free trolley. The problem of difficult adjusting of the deflecting direction of an existing trolley is solved. The carbon-free trolley comprises a trolley frame, a traveling mechanism, a transmission mechanism and a steering mechanism, wherein the traveling mechanism, the transmission mechanism and the steering mechanism are arranged on the trolley frame; the traveling mechanism comprises a front wheel rotatably connected with the trolley frame, rear wheels arranged on the two sides of the trolley frame, and a driving assembly used for driving the rear wheels torotate; and the transmission mechanism comprises a cycle adjusting assembly used for adjusting the transmission cycle, the transmission mechanism is connected with the rear wheels and the steering mechanism, one end of the steering mechanism is connected with the transmission mechanism, the other end of the steering mechanism is connected with the front wheel, the driving assembly drives the rearwheels to rotate so as to drive the transmission mechanism to adjust the deflecting direction of the front wheel connected with the transmission mechanism, and the cycle adjusting assembly changes the transmission cycle to change the steering cycle that the steering mechanism drives the front wheel to deflect. Through cooperation of the traveling mechanism, the transmission mechanism and the steering mechanism, the trolley operates circularly according to a double-8-shaped trajectory and according to the preset requirements, and the trajectory size of the trolley can be adjusted through the cycle adjusting assembly.

The invention provides a hydro-pneumatic spring, a wheel steering mechanism provided with the hydro-pneumatic spring, a wheel provided with the wheel steering mechanism and an electromobile adopting the wheel. The hydro-pneumatic spring comprises an oil cylinder, a guide shaft, a damping plate and a floating piston. The oil cylinder comprises a cylinder barrel and a hollow piston rod communicatingwith an oil cavity of the cylinder barrel. The guide shaft is coaxially fixed to the top of the cylinder barrel, and the bottom end of the guide shaft stretches into an inner cavity of the piston rod. The damping plate is arranged in the inner cavity of the piston rod in a sliding manner and is fixedly connected with the bottom end of the guide shaft. A damping oil passing channel is arranged onthe damping plate. The floating piston is arranged in the inner cavity of the piston rod in a sliding manner and located below the damping plate, and the inner cavity of the piston rod is divided intoan upper oil chamber and a lower gas chamber. Through the division function of the floating piston and the damping function of the damping plate, based on the compression or expansion effect of relation motion between the piston rod and the cylinder barrel on the gas chamber, it can be guaranteed that a good elastic damping effect can be achieved in the automobile running process, and the automobile operation stability can be improved.

The invention discloses a six-wheel double-drive mini-tiller which comprises a vehicle, front wheels, middle wheels, rear wheels and a rotary tiller. The front wheels, the middle wheels, the rear wheels and the rotary tiller are arranged on the vehicle, the front wheels and the middle wheels are arranged on the vehicle via a steering device, and the steering device comprises a steering gear, a front beam, a middle beam, a steering tie rod I, a steering tie rod II and a steering drag link; the steering gear is arranged at the bottom of the middle end of the vehicle; the front beam is arranged at the bottom of the front side of the vehicle; the middle beam is arranged at the bottom of the middle end of the vehicle and is positioned between the steering gear and the front beam; four steering knuckles are respectively arranged at two ends of the front beam and two ends of the middle beam; two ends of the steering tie rod I are respectively hinged to hinge lugs of the steering knuckles at the two ends of the front beam via tie rod arms; two ends of the steering tie rod II are respectively hinged to hinge lugs of the steering knuckles at the two ends of the middle beam via tie rod arms; one end of the steering drag link is connected with the steering gear, and the other end of the steering drag link is connected with two steering knuckle arms respectively. The six-wheel double-drive mini-tiller has the advantages that a four-wheel same-direction steering effect can be realized, and a preset steering angle of the six-wheel double-drive mini-tiller is unaffected when one or two of the four wheels slips.

The invention discloses a heat-resistant foaming agent special for huff and puff of a rocket power compound heat carrier. The foaming agent resolves the problems that a conventional foaming agent is poor in compatibility with the rocket power compound heat carrier, and temperature resistant performance and stability cannot meet field test requirements. The foaming agent comprises, by weight, 0.5-1.0% of sodium akylbenzene sulfonate, 0.1-0.3% of hydroxypropyl modified cellulose, and the balance water. The stratum temperature to which the foaming agent can adapt can be up to more than 300 DEG C; and foam volume, liquid phase half life and other indicators of the foaming agent are significantly better than those of a common foaming agent.

The invention relates to a remotely-controlled three-wheel agricultural locomotive with high passing ability. The remotely-controlled three-wheel agricultural locomotive comprises a frame, wheels, a drive system, a steering system and a control system. The control system is connected with the drive system and the steering system so as to control operation of the drive system and the steering system. The frame comprises a main frame body, a front wheel support and rear wheel supports. The front wheel support and the rear wheel supports are arranged at the bottom of the main frame body. The wheels are arranged at the lower end of the front wheel support and the lower ends of the rear wheel supports. The front wheel support and the rear wheel supports have certain heights, so that the main frame body has a sufficient distance to the ground, and it is guaranteed that the locomotive passes through crop fields; the wheels are paddy wheels or wheels with the widths being smaller than 5 cm. The remotely-controlled three-wheel agricultural locomotive is light and handy, high in speed, and little in damage to crops.

The invention relates to the technical field of toy car related equipment. The invention discloses a toy car synchronous steering device. The device comprises a transmission cross beam, and a long-strip-shaped transverse sliding rail is arranged in the middle of the transmission cross beam. The transmission cross beam is arranged on two fixed columns in a sliding and sleeving manner through a transverse sliding rail; the upper part of the transmission cross beam is also fixedly connected with a connecting block; two connecting pieces are in threaded connection with the two sides of the transmission cross beam through bolts; the tail ends of the two connecting pieces are further rotationally connected with a first rotating block and a second rotating block through bolts correspondingly. Interms of the toy car synchronous steering device, a transverse sliding rail is additionally arranged on a transmission cross beam; the displacement distances of the two connecting pieces are consistent, the rotating amplitudes of the two rotating blocks are consistent, synchronous steering of wheels on the two sides is guaranteed, meanwhile, difference and deviation of steering angles of the wheels are effectively avoided, and the normal steering and running process of the toy car is guaranteed; the length of each connecting piece can be adjusted by rotating a threaded rod, and then the purpose of adjusting the structure and the steering range of a toy car to a certain extent is achieved.