34results about How to "Reduce the difficulty of turning" patented technology

The invention belongs to the field of robot motion planning, particularly relates to a space robot intelligent motion planning method, system and equipment based on multiple constraints, and aims to solve a problem of how to realize high-precision and high-accuracy path planning of a space robot so as to realize space target intersection approaching and capture autonomous flight control. The method comprises steps of performing optimal task allocation of the space robot based on an FM* genetic algorithm, obtaining a traversal sequence with the shortest path distance, and generating a first path of the space robot; adjusting the first path based on a path adjustment method of a Gaussian filter, and enabling the adjusted second path to accord with a maneuverability constraint condition based on environmental characteristics; and if distribution points of the unexecuted tasks are dynamically changed, path point re-planning being carried out through a perceptron neural network which balances the calculation cost and the path cost, and a third path being obtained. According to the method, an efficient high-quality path which is easy to track, avoids collision and is re-planned can be provided for the motion of the space robot.

The invention discloses a convenient machine tool for aluminum alloy plate machining. The convenient machine tool comprises a machine base. The middle portion of the top end of the machine base is slidably connected with a workbench. The top of the outer surface of the machine base is movably connected with a portal frame. The middle portion of one end of the portal frame is movably connected witha spindle box. A movable taking mechanism is fixedly mounted on one side of the bottom of the front side of the machine base. Through a fixed plate, a master connecting plate, a stand column and a locating ring, a sliding block can slide and rotate conveniently, and the moving and rotating difficulty of the stand column is reduced. The convenient machine tool is provided with a driven sliding groove, a sliding bar and a main lead screw. The sliding bar can move conveniently, and the moving difficulty of the sliding bar is reduced. The convenient machine tool can adsorb aluminum alloy plates in different parts of the interior of the machine base. Meanwhile, through a lifting cylinder, a slave connecting plate, an air pump, suction pipes, connecting pipes, vacuum suckers, fixed blocks and control switches, the aluminum alloy plates inside the machine base can be taken conveniently, and the taking difficulty of the aluminum alloy plates inside the machine base is reduced.

The invention discloses a substation insulator cleaning device. The substation insulator cleaning device comprises a high-pressure water gun, an angle adjusting device, a height adjusting device, a track chassis and a power supply. The substation insulator cleaning device realizes cleaning of substation insulators through cooperation of the high-pressure water gun, the angle adjusting device, the height adjusting device, the track chassis and the power supply, replaces a manual cleaning mode in the prior art, reduces the labor intensity in substation insulator cleaning, improves the automation degree of substation insulator cleaning, and improves the substation insulator cleaning efficiency to a certain extent.

The invention discloses a fabricated safe unloading platform for building construction. The platform comprises a platform bracket used for positioning and mounting the whole platform, an unloading platform device used for stacking and transferring building materials, wherein the unloading platform device comprises a connecting base, a material carrying sliding plate is installed on the upper surface of the connecting base in a sliding mode, reinforcing connecting plates are arranged on the two sides of the material carrying sliding plate, a protective connecting plate is fixedly connected to one side of each reinforcing connecting plate, and a protective connecting table is arranged at one end of the upper surface of the connecting base. The platform has the beneficial effects that connection between two supporting connecting beams is reinforced through positioning connecting plates, and thus the stability of the supporting connecting beams is improved, meanwhile, the installation stability of the platform bracket is improved through installation connecting arms, the connection stability between the platform bracket and a building supporting column is improved, and the installation difficulty of the bracket is reduced.

The invention discloses an environment-friendly multifunctional treatment device for sewage treatment, which includes a treatment box, a water inlet pipe is embedded in the top of one end of the treatment box, and a valve is connected to the side of one end of the water inlet pipe through threads, and one end of the valve is The living body monitoring and filtering mechanism is connected through the water inlet pipe. The living body monitoring and filtering mechanism is used to filter and monitor the water quality, which can facilitate the layered filtration of the sewage entering the treatment tank, thereby reducing the impurities of the sewage. The use of hollow rectangular strips, placing L-shaped frames, filter frames, main drainage holes, moving frames and limit L-shaped plates can facilitate the installation and removal of stainless steel filter screens and metal filter screens, reducing the cost of stainless steel filter screens and metal filter screens. Nets are difficult to install and dismantle.

The invention discloses a small manual weeding and collecting integrated machine for a garden. The small manual weeding and collecting integrated machine comprises a cart, wherein two ends of each ofthe front side and the back side of the cart are connected with idler wheels through one rotating shaft; and a cutting mechanism is fixedly arranged in the middle of the top end of the cart and comprises an engine, a connecting post, a fixed cutting wheel, a fixing cylinder, a T-shaped hole, limiting grooves, a disk, a positioning cylinder, limiting strips, an upright post, a fixing threaded rod,connecting threaded rods, a driven cutting wheel, a positioning hole, first nuts, second nuts, a positioning ball and a threaded hole. Through the engine, the connecting post, the upright post, the fixing threaded rod and the connecting threading rods, rotation of the fixed cutting wheel and the driven cutting wheel can be facilitated, the rotating difficulty of the fixed cutting wheel and the driven cutting wheel is reduced, and meanwhile, grass cutting can be more uniform and finer by using the fixed cutting wheel and the driven cutting wheel, so that the phenomenon that cut grass is entangled between the cutting wheels is prevented.

The invention discloses an annular platform for bridge laying column construction and a construction method. The annular platform comprises a supporting ring base poured outside a laying column through an inserting rod, a plurality of supporting components are fixedly installed on the two sides of the supporting ring base correspondingly, the tops of the supporting components are rotatably connected with top platform components, a surrounding mechanism is fixedly installed in each top platform component through a light platform component, and the bottom of the surrounding mechanism is movably connected with one side of the corresponding supporting component. Through cooperation of extrusion rollers and triangular plates, the direction adjusting difficulty caused by the weight of the top platform components is reduced, and the angle adaptive steering capacity of an external assembly component is improved; the platform components can be limited and fixed in the deflection direction through insertion of clamping rods, so that the safety of construction is improved; the multi-axis expansion capacity in the annular direction is improved through multiple supporting bottom plates and platform side plates, extension assembly of an elevator frame and a supporting frame is facilitated, and the diversified expansion requirement of the construction platform is met.

The invention discloses an auxiliary beam hoisting construction technology and construction equipment, and belongs to the field of auxiliary beam hoisting, the auxiliary beam hoisting construction equipment comprises a top plate and a plurality of supporting rods, the top plate is provided with a plurality of through holes, the supporting rods are in one-to-one corresponding insertion fit with the through holes, the supporting rods are movably connected to the inner walls of the through holes, and the top plate is provided with an adjusting mechanism; the adjusting mechanism comprises a first connecting column, the first connecting column is rotationally connected to the side, away from the ground, of the top plate, and the adjusting mechanism further comprises a driving assembly used for driving the first connecting column to rotate and a plurality of first limiting assemblies used for limiting the first connecting column. The hoisting device has the effect that the hoisting device can adapt to different terrains, so that the stability of the hoisting device in the using process can be improved.

The invention discloses an operation rod. The operation rod comprises a main rod body, wherein a guide rod is coaxially inserted into the middle of the main rod body in a manner of rotating around a fixed shaft; a connecting seat is arranged at the top of the main rod body; a cable groove adaptive to a cable is formed in the top of the connecting seat; a screw rod is arranged at the top of the guide rod; a thread hole, which is in thread matching with the screw rod, is formed in the top of the guide rod along the vertical direction; the bottom of the screw rod is coaxially inserted into the thread hole; the connecting seat is hinged to the top of the screw rod through a shaft pin which is horizontally arranged. The operation rod is simple, convenient and efficient to operate, and can be adaptive to multi-angle wiring work.

The invention discloses an open-type TBM expanding excavation head falling prevention method. The open-type TBM expanding excavation head falling prevention method comprises the following steps that (1), expanding excavation is carried out; (2), accumulated slag at the arch bottom of the area behind a bottom shield is cleaned; (3), a cutterhead retreats; (4), arc-shaped steel plates are aligned and then placed behind the bottom shield; (5), a jacking device is placed below a main beam; (6), a jack is placed between the arc-shaped steel plates and the jacking device; (7), the jacking device is started, and the cutterhead and the bottom shield 2 are lifted; (8), the arc-shaped steel plates are jacked into the position below the bottom shield through a jack; and (9), the jack (9) is removed, and the jacking device is dismantled. The open-type TBM expanding excavation head falling prevention method has the advantages of being simple in structure, convenient to construct and operate, short in construction period and low in cost, by means of the open-type TBM expanding excavation head falling prevention method, the excavation axis of a TBM is kept, head falling tunneling during TBM expanding excavation is avoided, the excavation axis is guaranteed, the direction adjusting difficulty of a TBM main driver and a TBM driver is reduced, and the construction quality is improved; and meanwhile, the fatigue of a TBM mechanical structure caused by frequent and large-amplitude direction adjustment is delayed, and the equipment perfectness rate is increased.

The invention discloses a power amplifier sound box with a long service life. The box comprises a sound box base body, and a groove is formed in the middle of the bottom end of the sound box base body; a rectangular plate is adhered to the middle part of the interior of the groove; a protective plate is adhered to the middle part of the bottom end of the rectangular plate; a limiting groove is formed in the middle of the bottom end of the protective plate; a rubber pad is adhered to the middle part of the inner wall of the limiting groove; and the top end of the protective plate is provided with a rectangular groove corresponding to the edge of the bottom end of the sound box base body. The structure is scientific and reasonable, safe and convenient use, the sound box comprises the sound box base body, the groove, the rectangular plate, the protective plate, the limiting groove, the rubber pad and the rectangular groove. According to the invention, the friction force between the soundbox base body and the plane can be increased, the sound box base body is prevented from sliding on the plane, the bottom of the sound box base body is protected, and the direct collision between the bottom of the sound box and an object is prevented, so that the sound box base body is protected, and the service life of the sound box base body is prolonged.

The invention relates to an auxiliary system for assisting an aircraft in launching and recycling and a launching and recycling method. The auxiliary system for assisting the aircraft in launching andrecycling comprises a reference platform, a lifting device which comprises a telescopic mechanism and a lifting platform which are positioned on the reference platform; the telescopic mechanism comprises a first-stage telescopic mechanism located below the lifting platform, and the upper portion of the first-stage telescopic mechanism makes contact with the lifting platform so as to push the lifting platform to move up and down; the telescopic mechanism further comprises a multi-stage telescopic mechanism located on the first-stage telescopic mechanism and/or the lifting platform, and the upper portion of the multi-stage telescopic mechanism makes contact with the aircraft so as to push the aircraft to be launched. Through the arrangement of the multi-stage telescopic mechanism, when theaircraft is launched, certain boosting force can be provided for the aircraft, the launching initial speed of the aircraft is increased, a large amount of fuel needing to be consumed when the aircrafttakes off is reduced, and the purposes of reducing the energy consumption of the aircraft and increasing the effective load are achieved.

The invention discloses sewage blockage dredging equipment for municipal public engineering. The sewage blockage dredging equipment comprises a motor, an output shaft of the motor is connected with a driving belt pulley through a flat key, the outer surface of the driving belt pulley is connected with a driven belt pulley through a belt, the inner wall of the driven belt pulley is connected with a threaded column through threads, a conical head is welded to the middle of one end of the threaded column, a bottom plate is welded to the middle of the bottom end of the motor, a threaded rod is rotatably connected to the middle of one end of the bottom plate, and a moving block is connected to the outer surface of the threaded rod through the threads. Through the bottom plate, the threaded rod, the moving block, a spring column, a rectangular block and an adjusting wheel, the tightness degree of the belt can be conveniently adjusted, the adjusting difficulty of the tightness degree of the belt is reduced, then, rotation of the driven belt pulley is facilitated, rotation difficulty of the driven belt pulley is reduced, meanwhile, movement of the threaded column can be facilitated, movement difficulty of the threaded column is reduced, and idling of the driving belt pulley is prevented.

The invention discloses electric spark assisted ultrasonic vibration turning combined machining equipment. The electric spark assisted ultrasonic vibration turning combined machining equipment comprises a machine tool, a chuck arranged on the machine tool, a movable turning device which is arranged on one side of the upper portion of the machine tool and provided with a tool, an installation support which is arranged on the other side of the upper portion of the machine tool and connected with the movable turning device, a discharge heating device arranged on the installation support, and an ultrasonic generation device arranged on the movable turning device. The invention further discloses an electric spark assisted ultrasonic vibration turning combined machining method. According to the electric spark assisted ultrasonic vibration turning combined machining equipment and method, a workpiece can be turned while being discharged and heated, and therefore the workpiece can be heated and softened, the turning difficulty of turning the workpiece through a turning tool is lowered, the loss of the tool can be reduced so that the service life of the tool can be prolonged, the machining efficiency can be improved, and the efficient and precise turning effect can be achieved; and meanwhile, the tool can do high-frequency periodic vibration motion through the ultrasonic generation device, and therefore the prominent effects that the tool breaks chips, the cutting heating phenomenon is reduced, and the cutting force is reduced are achieved.

The invention discloses a magnetomotive windproof method of a power distribution cabinet, and related to the technical field of power distribution cabinets. The power distribution cabinet comprises apower distribution cabinet body and two cabinet doors rotationally connected to the power distribution cabinet body. A padlock is mounted on the adjacent sides of the two cabinet doors; heat dissipation windows are formed in the two sides of the power distribution cabinet; chutes are formed in the two sides of the top and the bottom in the power distribution cabinet; rotating shafts are fixedly connected to one sides, far away from the padlock, of the two cabinet doors; sliding blocks are rotationally connected to the two ends of the two rotating shafts; rotating grooves are formed in the twoends of the two sliding blocks; when the power distribution cabinet is overhauled, after the padlock on the cabinet doors is opened, the two cabinet doors are opened in a rotating mode until the cabinet doors are parallel to the two sides of the power distribution cabinet, the cabinet doors are pushed into the power distribution cabinet along the chute, and therefore the situation that the cabinetdoors are blown by external wind to affect overhauling operation of workers and even injure the arms of the workers can be completely avoided.