1069results about How to "Avoid overall overturning" patented technology

An inverted pendulum type moving body subject to a traveling control in response to a traveling instruction based on an intention of a rider while keeping a balance, a manipulation mode is performed based on the intention of the rider and an automatic operation mode is performed without being based on the intention of the rider.

The inverted pendulum type moving body includes a center-of-gravity position adjusting unit for adjusting a center-of-gravity position of the rider in accordance with a manipulation signal outputted from a control device. When an instruction for switching a control mode to an automatic operation mode, where a predetermined traveling control is performed without being based on intention of the rider, is generated, and controls a wheel drive unit in accordance with a traveling instruction based on the center-of-gravity position.

A recovery walking aiding robot belongs to walking aiding robots and recovery machinery, solves the problem that an existing recovery walking aiding robot is inflexible to pass through the narrow environment, simple in motion function and high in requirements for operation flexibility of users, and well meets actual recovery requirements. The recovery walking aiding robot comprises a handrail frame, a connection frame, a flat type microcomputer, an S-shaped support rod and a base plate, wherein the handrail frame is fixed with the connection frame through a linear bearing, the flat type microcomputer is installed on the connection frame through a support seat, the connection frame is arranged on the base plate through the S-shaped support rod, a control box is arranged on the base plate, and an environmental self-adaption module, a motion intention identification module, a speed control module, a falling prevention module and a motor driving module are loaded on the flat type microcomputer. The recovery walking aiding robot can automatically adapt to complex external environments, can achieve the functions of detecting and avoiding obstacles, preventing sliding and the like, provides falling prevention, and solves contradiction between dyskinesia of users and operation requirements of the robot.

The invention discloses a novel structure of a deicing robot based on a pneumatic type electric transmission line, comprising a forearm unit, a middle arm unit, a rear arm unit and a gravity center adjustment balance mechanism, wherein the forearm unit, the middle arm unit and the rear arm unit are sequentially connected with the gravity center adjustment balance mechanism positioned below the forearm unit, the middle arm unit and the rear arm unit; the forearm unit and the rear arm unit are symmetrically arranged; the forearm unit comprises a stacked type mechanical arm mechanism, a travelling driving mechanism, a deicing mechanism, a palm opening and closing mechanism and a brake braking mechanism; the middle arm unit comprises a vertical type telescopic arm mechanism, the travelling driving mechanism, the palm opening and closing mechanism and the brake braking mechanism; and the rear arm unit is the same as the forearm unit in structure and comprises a pneumatic control loop which enables the forearm unit, the middle arm unit and the rear arm unit to take telescopic actions, travelling actions, obstacle detouring actions and deicing actions and takes compressed air as a power source. The invention can complete the deicing operation, the on-line stable travelling and high-efficiency autonomous obstacle detouring under the conditions of intelligent control and has the advantages of compact structure, light weight, easy control, and the like.

The invention relates to a multi-operating mode energy-saving controlled combined type thermostatic and humidistatic air conditioning unit with a thermometal compound box body structure special for nuclear power stations. The air conditioning unit comprises a control system and a box body structure, wherein a primary-efficiency filter, a medium-efficiency filter, a surface cooler, a heater, a humidifier and a blow-off device are sequentially arranged in the box body; the front side of the primary-efficiency filter is provided with a fresh air and return air mixing section, and inlets of fresh air and return air are respectively provided with a fresh air proportioning valve and a return air proportioning valve; the control system adopts a programmable logic controller (PLC) and adopts air conditioning multi-operating mode zone control to realize the energy-saving operation of the unit; the surface cooler adopts a large temperature difference cold water heat exchanging technology and can save the investment and operation expenses of a water system; and the box body adopts a double-layer compound structure and an anti-shock device to meet the special requirements on the nuclear power stations. The invention has the characteristics of high efficiency, energy saving, good tightness, strong anti-shock capacity, safety, reliability, long service life, and the like.

The invention relates to special engineering mechanical equipment spreading previously stirred concrete on a designated working face, in particular to a concrete spreader and a spreading method thereof. The concrete spreader comprises a main track unit, a large travelling crane, a small travelling crane, a spreading main machine and a hopper, wherein the large travelling crane longitudinally reciprocates on the main track unit by dint of the driving of a drive device; the small travelling crane horizontally reciprocates on the large travelling crane by dint of the driving of the drive device;the spreading main machine comprises a main stand, a stock bin lifting platform and a lifting oil cylinder, wherein the main stand is connected with the small travelling crane and the stock bin lifting platform can be lifted along the main stand; the hopper is arranged on the lower part of the stock bin lifting platform, a discharge outlet and a feed inlet of the hopper are eccentric at least 300mm, and the hopper reciprocates at an angle of 180 degrees by dint of the driving of a speed reduction motor. The invention realizes the omnibearing spread by dint of the longitudinal motion of the large travelling crane on the main track unit, the horizontal motion of the small travelling crane on the large travelling crane, the up-and-down motion of the stock bin lifting platform on the main stand and the self-rotation motion of the hopper and has larger spreading space without a spreading dead angle.

A weatherproof pet feeder (12) has an enclosure (14) pivotally mounted to a feeder base (16) by a hinge (18). Latches (22) secure the enclosure (14) in a downward position on the feeder base (16). The feeder base (16) as two bowl sockets (34, 36). The bowl socket (34) has an electric heater coil (58) for heating a water bowl (38). The feeder base (16) is raised above a ground surface on support legs (44). The support legs (44) have mounting feet (46), tubular leg sections (72) and insecticide bands (96). The support legs (44) are sealed on lower ends by nipples (48) for containing weighting material which prevents the weatherproof feeder (12) from being overturned. The feeder base (16) has tie down loops (52) and the mounting feet (46) have apertures (86) for receiving stakes (88) for securing the weatherproof pet feeder (12) to the ground surface.

The invention discloses an intelligent spraying robot for the outer wall of a high-rise building and a control method of the intelligent spraying robot. The intelligent spraying robot is composed of an upper machine body and a lower machine body, the upper machine body is installed on the roof of the building, and vertical lifting is carried out by hoisting equipment in the upper machine body on the lower machine body through ropes; and the lower machine body is attached to the outer wall of the building through adsorption feet, and can use the adsorption feet to achieve up and down walking ona wall surface, a spray gun movement worktable arranged on the lower machine body has multiple degrees of freedom, and a spray gun in the spray gun movement worktable can move in the X direction, theY direction and the Z direction separately as well as rotate around the Z axis. The intelligent spraying robot has high wind resistance capability and high safety factors, can realize intelligent spraying through the matched arrangement of a controller, and can effectively improve spraying quality and spraying efficiency.

A foldable cart assembly having a user tracking arrangement so as to follow movement of the user during motion over a field. The cart assembly has a plurality of ultrasound and RF sensors in communication with corresponding sensors in a remote handset transmission device carried by the user. The sensors provide timing, direction and distance information to a central processor on the cart for instructing individual electrical motors empowering the respective direction and speed of rotation of the cart's wheels.

The invention discloses an anchor of a warp knitting machine, which comprises an upper bearing plate and a lower bearing plate. The upper bearing plate is provided with a first shaft part extending downwards along the lower end face of the upper bearing plate. The lower bearing plate is provided with a second shaft part extending upwards along the upper end face of the lower bearing plate. The first shaft part and the second shaft part are connected in a sliding mode and are matched in an air-tight mode. Springs and a closed air cavity are arranged between the upper bearing plate and the first shaft part thereof and the lower bearing plate and the second shaft part thereof. Both the cross sections of the upper and lower bearing plates are of a round shape. The first shaft part is of a cylinder shape. The second shaft part is provided with a cylindrical blind hole. The closed air cavity is formed by a first air cavity, a second air cavity and a third air cavity, wherein the first air cavity is formed between the first shaft part and the cylindrical blind hole; the second air cavity is communicated with the first air cavity and is formed by an axial hole arranged along the axial direction of the first shaft part; and the third air cavity is communicated with the second air cavity and is formed by a radial hole arranged along the radial direction of the upper bearing plate. The anchor of the warp knitting machine has excellent vibration reduction performance, can bear a larger load, can be used for preventing a machine bed from being turned over and can be popularized and applied in equipment such as the warp knitting machine and the like.

A segment-assembled type pier column member with a steel-concrete composite structure includes a reinforcement tube embedded in a pile cap, wherein the reinforcement tube is connected with a bottom of a lower segment of a hollow steel tube pier and is poured with concrete, and pier columns in upper and lower segments are reinforced by means of segment connecting and being embedded with local reinforcing meshes. A steel cross beam is connected with an upper segment of the hollow steel tube pier in an assembled way. A pre-stressed tensioning duct is reserved between the steel cross beam and the pier column in the upper segment.

The invention relates to an appliance for the disabled, in particular to a wheelchair type stairs-climbing vehicle. The wheelchair type stairs-climbing vehicle consists of a seat part, a front vehicle part and a rear vehicle part, wherein the seat part comprises a seat, an absorber, a speed adjustment handle and a forward/backward switch, which are mutually connected; the front vehicle part comprises a front wheel, a front frame, a wheel steering mechanism, a footrest, a first motor, a second motor, a first worm mechanism, a second worm mechanism, a lithium battery, a slide mechanism, a rubber bumper guard wheel, an inclination control mechanism and a clutch switch, which are mutually connected; and the rear vehicle part comprises a rear frame, a rear wheel mechanism, a chain, a rear wheel shield, a shield connecting rod and a clutch, which are mutually connected. The wheelchair type stairs-climbing vehicle has the characteristics of simple structure, convenient use, independent and relaxed driving by a user and free walking up and down stairs, steps, steep slopes and on flat ground under the condition of no help from other people, low manufacturing cost, high safety and the like. The invention also relates to an inclination switch of the inclination control mechanism.

The invention discloses a self-elevating scaffold provided with telescoping platforms for building construction. The self-elevating scaffold comprises a base which is fixed on the ground surface, an upright column which is fixedly arranged on the base, a platform base which is arranged on the upright column and can be lifted along the upright column, a connector, a lifting device and the two telescoping platforms which are arranged on two sides of the platform base and are lifted along the upright column together with the platform base, wherein the upright column is formed by connecting a plurality of upright column base frames in sequence; the lifting device comprises a steel wire rope and a winding machine; an outer guide rail is arranged on each of two sides of the upper surface of the platform base along the length direction; each telescoping platform comprises a bottom plate and an inner guide rail; and limit wheels which are used for limiting the sliding range of the inner guide rails are arranged at two ends in a guide groove along the length direction. The self-elevating scaffold provided with the telescoping platforms for the building construction has the advantages that security and convenience of construction are improved, the adjusting speed is high, the stability is high, and the like.

The invention discloses a mobile monitoring device on the expressway. The mobile monitoring device on the expressway comprises a supporting base, and a wheel hub motor, a driving wheel, driven wheel components, an electric control unit and a monitoring signal acquisition unit which are installed and arranged on the supporting base. The wheel hub motor and the monitoring signal acquisition unit are electrically connected with the electric control unit respectively. The driving wheel is uprightly arranged above the driven wheel components. The driven wheel components comprise a first driven wheel component and a second driven wheel component. The first driven wheel component and the second driven wheel component are respectively arranged at the two sides of the driving wheel in a transverse lying way. Transverse distance between the first driven wheel component and the second driven wheel component is adaptive to width of the protection fence of the expressway. A damping mechanism is arranged on the first driven wheel component and/or the second driven wheel component. The monitoring device can stably, reliably and safely move along the protection fence with the protection fence of the expressway acting as the track so that patrolling and monitoring of the expressway can be realized without field patrolling of the expressway traffic police on the expressway, and thus labor cost of the expressway traffic administration department can be greatly reduced.

The invention relates to a three-dimensional asymmetrical supporting system, which comprises a plurality of steel tube concrete single racks. The steel tube concrete single racks are connected together via longitudinal connecting beams to form a support in the shape of a tunnel in an encircling manner, a metal screen is laid between the support and a surrounding rock of the tunnel, anchor cable holes are distributed on the longitudinal connecting beams, anchor cables penetrate through the anchor cable holes of the longitudinal connecting beams and the metal screen to outwards extend, and simultaneously anchor rods are arranged in the surrounding rock of the tunnel according to designed inter-row spaces. The three-dimensional asymmetrical supporting system has the advantages that pertinence and supporting ability are high, the structure is simple, devices are connected conveniently, protecting surface area is large, stability is good and stress is reasonable in coordination.

A urine collector for collecting urine for a user includes a basin which includes a collector including a bottom wall and a surrounding wall upwardly extended therefrom to define a cavity and a top opening, and a top cover supported on the top opening of the collector; and a urine guider provided at the bottom wall of the collector for collecting urine at a peripheral portion thereof for collecting the urine at the urine guider within the cavity of the collector, wherein the bottom wall of the collector further includes an enlarge bottom base defining a circular guiding slot, and an inner concave guiding bottom extended inward and upward from the enlarge bottom base, so that the enlarge bottom base enhances a stabilization of the collector, wherein the urine guider is provided at the inner concave guiding bottom.

A detachable self-balancing stretcher comprises a main stretcher, an inner side adjustable stretcher and an outer side fixed support stretcher, wherein the main stretcher is assembled on a stretcher support of the inner side adjustable stretcher, and a bearing is installed between the inner side adjustable stretcher and the outer side fixed support stretcher. One end of an electric drive pusher is fixed on an inner side reinforcing member of the inner side adjustable stretcher, the other end of the electric drive pusher is fixed on an outer side reinforcing member of the outer side fixed support stretcher, an obliquity sensor is installed below a main shaft, real-timely detects the inclination angle of the stretcher, and sends the angel data to a controller, the electric drive pusher can be controlled by the controller to drive the inner side adjustable stretcher to rotate around the main shaft under slight bearing resistance, so a function of automatically adjusting the stretcher to keep horizontal is realized.

The invention discloses an offshore wind turbine foundation integrating a concrete caisson and a jacket, which is mainly applied to hard rock stratum seabed foundations with higher carrying capabilities. A concrete caisson main body in which a filling cavity with an upward opening is formed is adopted; the concrete caisson main body is provided with installation connecting holes fixedly connected with pile legs; after the concrete caisson main body is placed onto a pretreated seabed, sand and stones are filled into the filling cavity to increase the weight of the concrete caisson main body, so that an offshore wind turbine is effectively prevented from being overturned, and meanwhile, convenience is brought to transportation and hoisting of the concrete caisson main body; the offshore wind turbine foundation has the characteristics of convenience in constructing and low cost.

The invention discloses a support structure assisting in cantilever beam construction and a construction method. The support structure comprises longitudinal supporting beams arranged on the two sides of a pier, a plurality of distribution cross beams distributed in a straight line in the bridge direction are arranged on the longitudinal supporting beams, and formwork structures are arranged on the distribution cross beams. Two horizontal pull rods are arranged on the two sides of the pier correspondingly, the longitudinal supporting beams are connected with the horizontal pull rods through sand box supports, one end of each horizontal pull rod is fixed to the pier, and the other end of each horizontal pull rod is hinged to the pier through an oblique supporting rod. A triangular bracket structure is composed of the pier, each horizontal pull rod and the corresponding oblique supporting rod. The horizontal pull rods located at the same side of the pier are connected through a horizontal girder support. According to the triangular bracket structures of the support structure, the lengths of the oblique supporting rods can be adjusted, and therefore the support structure is suitable for cantilevers of bridges of different structural styles; the support structure can be machined in factories and produced in mass, and is convenient to mount and use; workers can easily master the support structure, and the construction process can be unified; and the circulation performance is high, and construction cost can be obviously lowered.

The invention discloses a hydraulic hoisting machine used in an underground coal mine. The hydraulic hosting machine comprises a boom and a hydraulic lifting frame, wherein the boom is arranged on the hydraulic lifting frame; and the hydraulic hoisting machine is characterized in that the bottom comprises a main boom (2), a telescopic arm (1) forming a sliding pair together with the main boom and a telescopic jack (3); the telescopic arm (1), the main boom (2) and the telescopic jack (3) are coaxially arranged, one end of the telescopic arm (1) is sheathed in the main boom (2) and articulated with one end of the telescopic jack (3), a hanging hook is arranged at the other end of the telescopic arm (1), the telescopic jack (3) is arranged in the main boom (2), the other end of the telescopic jack (3) is articulated with the main boom (2), and the main boom (2) is arranged on the hydraulic lifting frame.

The invention discloses a hoisting device of an offshore wind turbine installation platform, comprising a hoisting boom and a derricking wire rope, wherein the root of the hoisting boom is hinged with a platform body of the offshore wind turbine installation platform and the tail end of the hoisting boom is connected with the derricking wire rope fixedly. The hoisting device further comprises a guide frame, wherein a wind turbine holding mechanism is arranged at the tail end of the guide frame and the tail end of the hoisting boom is hinged with the guide frame; a balance arm in parallel with the hoisting boom is arranged at one side of the guide frame, which is far away from the hoisting boom, and the hoisting boom is equal to the balance arm in length; a transverse beam in parallel with the platform body is arranged on the guide frame fixedly, the root of the balance arm is hinged to the platform body and the tail end of the balance arm is hinged to the transverse beam. According to the invention, a wind turbine can be always kept in an upright state without other auxiliary ship drawing, so positioning difficulty of the wind turbine is reduced and even big sea stormy waves cannot affect the installation of the wind turbine much, thus an offshore environment affects the construction less. The invention also discloses the offshore wind turbine installation platform provided with the hoisting device.

The invention discloses a comb tooth lifting type automatic carrier. A lifting rack is provided with comb teeth for bearing automobile wheels; an automobile body is connected with the lifting rack through a lifting device; the lifting device comprises two lifting jacks and a lifting driving motor; the lifting jacks are respectively mounted at two ends of the automobile body; each lifting jack comprises a seat, a lifting guiding shaft, a gear and a rack; each seat is connected with the automobile body; each lifting guiding shaft can slide along a guiding hole in the corresponding seat; the top of each lifting guiding shaft is connected with the lifting rack; each gear is connected with a shaft end of the lifting driving motor and is rotatably connected to the inside of the corresponding seat; each rack is connected with the corresponding lifting guiding shaft and is meshed with the corresponding gear; and safety devices for preventing the lifting rack from overturning due to unbalance loading are respectively arranged at four corners of the automobile body and four corners of the lifting rack. A guiding device of the lifting rack and the lifting device are integrated in one of the lifting jacks, and guiding precision of the guiding device of the lifting rack is not affected by the automobile body and the lifting rack which has a welding structure; and the number of the used lifting jacks is small, transmission is simple, requirements on mounting precision are reduced relatively, and the comb tooth lifting type automatic carrier is easy to mount and low in debugging difficulty; and using failure rate is reduced.