41results about How to "Center of gravity" patented technology

A tool and material holder fitting to the top of a step ladder has selectable detachable panels having and presenting an extremely large number of variously selectable pockets, cavities, loops, clips, hangers, hooks and the like which securely hold a great variety of power and hand tools, caulking guns, paint brushes and paint pads. The holder is stiffened by internal tubes and sheet preferably made from strong shape-retentive plastic, and will stand upright upon the floor. A major loop maintained open by an insert with a shape memory holds a large paint pail, bucket or can, and is optionally re-sizable to hold one or two smaller cans. A shallow reservoir on a top panel overlying the top step of the step ladder has a magnetic bottom for conveniently holding small ferrous items. A detachable strap and shoulder harness permits great loaded weight to be conveniently and safely carried.

A golf club head includes a hollow head body, a metal plate, and a compression resistant plate. The hollow head body is formed with an opening. The metal plate is fixed to the hollow head body, covers the opening, and has a thickness ranging from 0.1 to 0.5 mm. The compression resistant plate is bonded to an inner surface of the metal plate and spans the opening.

A low floor type vehicle 10 is disclosed with a housing box 59 having substantially similar longitudinal length to the longitudinal length of a seat is provided under the seat 58 and a rear cushion for the rear wheel is transversely arranged under the housing box. The housing box is provided with a lid for checking the rear cushion for the rear wheel at the bottom. The engine is suspended from a diamond type frame 20. The rear cushion for the rear wheel is arranged along the rear of an upper frame extended backward and downward from a head pipe.

A vehicle is presented. The vehicle may include a vehicle body frame; a drive wheel suspended from the vehicle body frame; a drive motor for driving the drive wheel; a battery for supplying electric power to the drive motor; a floor panel constituting a floor surface of the vehicle; and a battery support plate having a battery placement surface on which the battery is placed; wherein the battery support plate and the floor panel are supported on the vehicle body frame; and the battery placement surface is positioned below an upper surface of the floor panel.

The invention relates to the technical field of civil aircrafts and provides a method for automatic loading of a civil aircraft. The method for automatic loading of the civil aircraft comprises the following steps: acquiring unit load device information of unit load devices to be loaded; classifying the unit load devices to be loaded according to the unit load device information of unit load devices to be loaded; and loading the unit load devices to be loaded according to the classified information of the unit load devices to be loaded and the performance parameter information of the civil aircraft. Through the automatic loading method comprising the steps, the time of the whole loading process can be obviously shortened, the loading efficiency is greatly improved, and better flexibility is provided.

A vehicle is presented. The vehicle may include a vehicle body frame; a drive wheel suspended from the vehicle body frame; a drive motor for driving the drive wheel; a battery for supplying electric power to the drive motor; a floor panel constituting a floor surface of the vehicle; and a battery support plate having a battery placement surface on which the battery is placed; wherein the battery support plate and the floor panel are supported on the vehicle body frame; and the battery placement surface is positioned below an upper surface of the floor panel.

The invention provides a horizontal-vibration linear motor of low magnetic leakage. The motor comprises a casing, a cover plate, a vibration assembly and a solenoid, vibration assembly is hung inside the mounting space by being positioned via elastic support pieces positioned on the two opposite inner walls of the casing, and when the solenoid is electrified, the vibration assembly vibrates in a reciprocating manner in the direction basically parallel with the bottom of the casing, and the two elastic support pieces are stretched and compressed. The vibration assembly comprises a mass bock connected with the elastic support pieces and permanent magnets mounted on the mass block. A magnetic blocking plate covers the mass block in a fit manner and further covers the permanent magnets, the material of the magnetic blocking plate is No.430 stainless steel, and the thickness of the magnetic blocking plate ranges from 0.2 to 0.5mm. According to the horizontal-vibration linear motor of low magnetic leakage, the magnetic field intensity at the outer side of the magnetic blocking plate is controlled below 500GS, components of a mobile phone or game machine at the outer side of the magnetic blocking plate are prevented from interference of the magnetic field, the production cost is reduced, and the linear motor is conducive to production scale enlargement of domestic enterprises.

A vehicle, in particular a motorcycle, having an engine with a crankshaft extending transversely to a travel or longitudinal direction of the vehicle, a transmission, and a clutch, which may assume an open state and a closed state. The clutch, which allows a torque transmission from the crankshaft to the transmission in the closed state, is situated coaxially to the crankshaft. The engine and transmission may be arranged such that the vehicle's rearswing arm may be located coaxially with an axis of a transmission output shaft.

The invention belongs to the technical field of inspecting and repairing equipment for power transmission and transformation lines, and particularly relates to a spaying and photographing device for aerially detecting the hydrophobicity of an insulator for a power transmission line in a hot-line manner. A buffer mechanism is arranged below an unmanned aerial vehicle; the buffer mechanism comprises a supporting plate and a wavy spring; a water spraying mechanism comprises a telescoping mechanism, a forward-reverse motor, a water spraying tube and an automatic control module; the telescoping mechanism comprises a hydraulic cylinder, a hydraulic pump and a telescoping sleeve; the external surface of the telescoping sleeve is provided with a clamping band; the water spraying tube is a rubber hose tube; the water spraying tube is fixed through the clamping band; an output shaft of the forward-reverse motor is provided with a windlass; the water spraying tube is wound on the windlass; the automatic control module controls the turning on and the turning off of the hydraulic pump and the forward and reverse rotation of the forward-reverse motor respectively. According to the spaying and photographing device, through arranging the buffer mechanism below the unmanned aerial vehicle, the stability of the unmanned aerial vehicle in a landing process is effectively improved; the telescoping mechanism and the forward-reverse motor are arranged at the same time to manage and control the state of the water spraying tube and the safety and the stability of the spaying and photographing device in a use process are effectively improved.

The invention relates to the livestock herding technology, and concretely relates to an anti-skid breeding oxen semen collection method, which comprises the following steps of (1) injecting water into a semen collection pool; (2) starting an air inlet piece, and injecting air into a semen collection cavity so as to enable the semen collection cavity to be full of air; (3) pulling an oxen into the semen collection pool, and enabling hind limbs of the breeding oxen to stamp on an anti-skid mat; (4) utilizing external stimulation on the breeding oxen, enabling the breeding oxen to ride a semen collection frame, and enabling upper limbs of the breeding oxen to lay on a cushion pad; and (5) guiding a penis of the breeding oxen to enter the semen collection cavity through a semen collection port so as to enter an artificial vagina, and guiding the breeding oxen to walk out after completing semen collection, wherein working personnel takes the artificial vagina out from the semen collection cavity, collects breeding oxen semen, and stops and closes the air inlet piece. In order to solve the problem that the breeding oxen is easy to fall down to be fractured during semen collection, the invention aims to provide the semen collection method for preventing the breeding oxen from falling down and getting hurt.

The invention introduces a novel water spray ring for cooling a special roll for a copper pipe rolling mill. The novel water spray ring comprises an upper locating ring and a lower locating ring, andthe upper locating ring is in a circular ring shape; the center of the upper locating ring is provided with an upper guide hole used for conveying a copper pipe, and the circular ring surface of the upper locating ring is provided with mounting grooves distributed uniformly; the mounting grooves are all cylindrical, and the bottom of each mounting groove is provided with a mounting hole used for installing a nozzle; the mounting holes are through holes; the end, close to the lower locating ring, of the upper locating ring is further provided with a bolt locating hole which directly faces a bolt through hole in the lower locating ring, and the lower locating ring is fixedly connected to the upper locating ring through locating bolts connected to the bolt locating holes and the bolt throughholes in sequence; the center of the lower locating ring is provided with a lower guide hole; and the upper guide hole directly faces the lower locating hole, and the diameter of the upper locating ring is equal to the diameter of the lower locating ring. The novel water spray ring is easy to install, and the maintenance difficulty is reduced; and the effects of air isolation and quick cooling areachieved.

The invention discloses a movable handrail special for an elevator. The movable handrail special for the elevator comprises a semicircular clamping slot fixed in an elevator car. Sleeves are arranged at both ends of the semicircular clamping slot. A transverse rotary shaft is arranged in the semicircular clamping slot. The upper side and the lower side of the rotary shaft are each provided with an elastic plate located in the semicircular clamping slot. A U-shaped handrail body is arranged on the rotary shaft. The tops of the two ends of the U-shaped handrail body are each provided with an upper sliding rod pointing to the upper portion. A lower sliding rod opposite to the each upper sliding rod in direction is arranged on the face directly opposite to the upper sliding rod. The free end of each upper sliding rod and the free end of each lower sliding rod are each provided with a sliding block. By means of the manner, according to the movable handrail special for the elevator, the rotary shaft and the sliding rods on the rotary shaft are adopted so that the elevator handrail can move, the elevator handrail moves in the same direction as the force of a human body, and therefore the gravity center of the human body can be protected and the human body can be prevented from falling over.

The invention discloses a measuring instrument supporting device. The measuring instrument supporting device comprises a bottom plate, a tripod and a supporting plate, wherein a slide slot is formed in the upper end surface of the bottom plate; a plurality of blind holes are formed in the slot bottom of the slide slot; the tripod comprises three telescopic poles; the lower ends of the telescopic poles are hinged with a slide slot; the slide rod is in sliding fit to the slide slot; the lower end of the slide rod is spliced and matched with the blind holes; and length of the slide slot is greater than that of the slide rod. The measuring instrument supporting device is convenient for regulating the horizontal state of the supporting plate, is small in integral size under a storage state, reduces space occupation, and is conveniently carried along with people and a vehicle.

The invention provides a water gun buffering mechanism for a fire-fighting unmanned aerial vehicle. The water gun buffering mechanism comprises a hanging bracket which is arranged below the unmanned aerial vehicle, the hanging bracket comprises a first guide rod, hanging rods are fixedly arranged at the two ends of the first guide rod respectively, the first guide rod is sleeved with a first guide sleeve, a buffering spring is arranged between the first guide sleeve and one of the hanging rods, and the buffering spring sleeves the first guide rod; the water gun buffering mechanism further comprises a water gun body, the first guide sleeve is fixedly connected with the water gun body, and the axis of the water gun body is parallel to the axis of the first guide sleeve; the water gun buffering mechanism further comprises a water pipe, one end of the water pipe is connected with the body of the unmanned aerial vehicle, the other end of the water pipe communicates with the end of the water gun, the water pipe comprises a U-shaped section, and an abutting wheel is arranged below the unmanned aerial vehicle, can move in the length direction of the first guide rod and abuts against the U-shaped section of the water pipe. Reacting force generated when water flow is jetted is absorbed through deformation of the buffering spring, so that posture changes of the unmanned aerial vehicle are reduced, meanwhile, the water pipe is supported through the abutting wheel, and the situation that the gravity center of the unmanned aerial vehicle is affected due to droop and shaking of the water pipe in the flying process of the unmanned aerial vehicle is prevented.

A vehicle, in particular a motorcycle, having an engine with a crankshaft extending transversely to a travel or longitudinal direction of the vehicle, a transmission, and a clutch, which may assume an open state and a closed state. The clutch, which allows a torque transmission from the crankshaft to the transmission in the closed state, is situated coaxially to the crankshaft. The engine and transmission may be arranged such that the vehicle's rearswing arm may be located coaxially with an axis of a transmission output shaft.

The present invention relates to the technical field of household appliances, in particular to an air duct structure and a device equipped with the air duct structure. The air duct structure comprisesan air wheel, an air duct body, a heating structure and a control device, wherein the air duct body is arranged on the outer side of the air wheel; an air duct is formed between the air duct body andthe air wheel; the heating structure is suitable for heating air in the air duct; and the control device is electrically connected with the heating structure, and suitable for controlling the heatingstructure to start and stop when the air wheel rotates. The air duct structure provided by the invention has the beneficial effects that the air in the air duct is heated through the arrangement of the heating structure, so that the heating structure can be arranged on the air wheel or the air duct body, and the air can be heated by the heating structure when flowing through the air duct, ratherthan the fact that the heating structure is arranged at an air outlet or an air outlet of a housing; accordingly, the influence of the heating structure on the air volume can be prevented; and meanwhile, no moving mechanism is arranged, so that the heating structure can be prevented from moving, the deviation of the gravity center of the device can be prevented, and the device can be prevented from toppling.

The invention discloses a double connecting bar-double flywheel drive device, which is characterized by the following: the double connecting bar connect separately to catenation chain, flywheel; the flywheel transfers the alternating motion into gyroscopic motion of axletree; the back-moving spring make the flywheel, bicycle chain and connecting bar auto-reset; because of alternate device of double connecting bar, the double flywheel transfers the intermittent alternating motion into axletree or wheel continuous rotary. The invention simplifies the structure, which has firm property and saves the drive power.

The invention relates to a double-gear steering type S-shaped carbon-free trolley, and belongs to the technical field of mechanical design. The trolley comprises a bottom plate device, a large gear device, a driving wheel device, a driven wheel device, a steering device, a push rod device, a front wheel device, a supporting device and a steering bearing frame, wherein the large gear device is installed at the rear part of the bottom plate device; the driving wheel device is installed on one side of the bottom plate device; the driven wheel device is installed on the other side of the bottom plate device; the steering device is installed on the bottom plate device; the push rod device is installed on the bottom plate device; the supporting device is installed in the middle of the bottom plate device; the steering bearing frame is installed at the front part of the bottom plate device; the front wheel device is located at the front end of the bottom plate device; and the front wheel device is connected with the push rod device through the steering bearing frame. Steering energy is controlled by a gear mechanism to improve the steering precision of the trolley, so that the trolley canaccurately complete steering; the gravity center of the trolley can be more centered, the gravity center of the trolley is stable in the walking and turning processes, and the walking stability of the trolley can be improved; the trolley is easy to start and walk; and the trolley is simple in structure, easy to machine, easy to assemble and convenient to popularize and apply.

The invention relates to a helicopter coaxial double-cone rotor parallel manual device, which includes a rotor group, a parallel mechanism, a forward and reverse rotation mechanism, a variable cone mechanism and a spring; the rotor group includes a core rod, an inner and outer jacket, a tie rod group, an upper and The lower blade set, the upper and lower connecting rod sets, the upper and lower rings; the upper and lower blade sets are rotationally connected with the inner and upper ends of the jacket; the parallel mechanism is connected in parallel with the rotor set, and the hand-operated crank drives the rotor set to swing and telescope; forward and reverse The rotating mechanism drives the coaxial double-linked rotor to rotate forward and reverse through the inner and outer jackets, upper and lower large gears, intermediate wheels and upper and lower gears; the cone-changing mechanism drives the core rod, upper and lower rings and upper and lower connecting rod groups. Changing the angle between the blades and the axis of the rotor group changes the lift and flight speed. The control mechanism of the invention is simple and lightweight, and can change the flight direction, speed and lift flight. It has the characteristics of fast speed, large rotor lift, balanced anti-torque, simple structure, short fuselage, centered center of gravity, aerodynamic symmetry, small rotation diameter, Good stability and other advantages.

The invention belongs to the technical field of transmission and transformation line inspection and maintenance equipment, and especially relates to a water spraying device for a composite insulator of an overhead line. A high-altitude operation system comprises an unmanned plane, a water spraying mechanism, and a video collection module. The water spraying mechanism comprises a water box, a diaphragm pump, a water guide pipe, an atomizing spraying head and an automatic control module. The automatic control module comprises a wireless receiving module, a central processing module, a timing circuit module, a drive control circuit and a wireless transmitting module. The output end of the central processing module is electrically connected with the video collection module, the timing circuit module, the drive control circuit module and the wireless transmitting module. The output end of the drive control circuit module is electrically connected with the input end of the diaphragm pump. Through the setting of the high-altitude timing circuit module and the drive control circuit module, the device achieves the automatic control of the spraying amount and frequency, according with the insulator, of the atomizing spraying head.

The invention relates to the livestock herding technology, and concretely relates to an anti-skid breeding oxen semen collection method, which comprises the following steps of (1) injecting water into a semen collection pool; (2) starting an air inlet piece, and injecting air into a semen collection cavity so as to enable the semen collection cavity to be full of air; (3) pulling an oxen into the semen collection pool, and enabling hind limbs of the breeding oxen to stamp on an anti-skid mat; (4) utilizing external stimulation on the breeding oxen, enabling the breeding oxen to ride a semen collection frame, and enabling upper limbs of the breeding oxen to lay on a cushion pad; and (5) guiding a penis of the breeding oxen to enter the semen collection cavity through a semen collection port so as to enter an artificial vagina, and guiding the breeding oxen to walk out after completing semen collection, wherein working personnel takes the artificial vagina out from the semen collection cavity, collects breeding oxen semen, and stops and closes the air inlet piece. In order to solve the problem that the breeding oxen is easy to fall down to be fractured during semen collection, the invention aims to provide the semen collection method for preventing the breeding oxen from falling down and getting hurt.

The forklift hydraulic system comprises an electric control handle, a rotating mechanism, a horizontal moving oil cylinder and a pressing oil cylinder, the rotating mechanism, the horizontal moving oil cylinder and the pressing oil cylinder are installed on an attachment of a forklift, and the pressing oil cylinder and the rotating mechanism are sequentially connected through an integrated valve block, a main multi-way valve and a hydraulic oil tank to form respective hydraulic loops. Clamping and rotating the large component respectively; the main multi-way valve and the horizontal moving oil cylinder are connected to form a hydraulic loop so that the large component can be centered on the forklift attachment. The signal end of the electric control handle is electrically connected with the integrated valve block and the main multi-way valve. According to the invention, the forklift is adopted to transfer the large components, and the centering, pressing and overturning operations and the rapid short-distance transition of the large components are realized. And it is guaranteed that the center-of-gravity position of the large component is kept in the center in the operation process of overturning and the like, and safety risks such as deflection, irregular shaking and sudden impact are avoided.

The invention relates to a helicopter coaxial double-rotor wing two-rotation three-movement parallel driving device. The device comprises a rotor wing mechanism, a movable table, a base, two PSS type driving rods, a PUU type driving rod, two rotating transmission shafts, two engines and a spring. The rotor wing mechanism comprises a movable table, a mandrel, an inner sleeve, an outer sleeve, a pull rod set, an upper paddle set, a lower paddle set, an upper connecting rod set, a lower connecting rod set, a gear set and an auxiliary electric rod. The upper paddle set and the lower paddle set are rotationally connected with the convex circular truncated cones of the coaxial inner sleeve and outer sleeve; the movable table is rotationally connected with the inner sleeve and the outer sleeve; the two ends of each of three driving rods are hinged to the movable table and the base to drive the rotor wing mechanism to swing and stretch out and draw back. the engine are connected with the bases; the two ends of each rotating transmission shaft are connected with an engine shaft and a gear set input shaft to drive the inner sleeve and the outer sleeve to rotate forwards and backwards; the auxiliary electric rod drives the paddle set to automatically tilt through a lead screw, the core rod, the pull rod set and the connecting rod set; the spring distributes rotor loads to the bases from the movable table. The device of the invention has the advantages of high navigational speed, large lift force, balanced reaction torque, simple structure, good stability and the like, and the engine is arranged on the engine base.

The invention discloses a movable handrail special for an elevator. The movable handrail special for the elevator comprises a semicircular clamping slot fixed in an elevator car. Sleeves are arranged at both ends of the semicircular clamping slot. A transverse rotary shaft is arranged in the semicircular clamping slot. The upper side and the lower side of the rotary shaft are each provided with an elastic plate located in the semicircular clamping slot. A U-shaped handrail body is arranged on the rotary shaft. The tops of the two ends of the U-shaped handrail body are each provided with an upper sliding rod pointing to the upper portion. A lower sliding rod opposite to the each upper sliding rod in direction is arranged on the face directly opposite to the upper sliding rod. The free end of each upper sliding rod and the free end of each lower sliding rod are each provided with a sliding block. By means of the manner, according to the movable handrail special for the elevator, the rotary shaft and the sliding rods on the rotary shaft are adopted so that the elevator handrail can move, the elevator handrail moves in the same direction as the force of a human body, and therefore the gravity center of the human body can be protected and the human body can be prevented from falling over.

The invention discloses a movable combined grassland fence equipment, comprising several fences, a blocking net is arranged in the middle of the fence, a main control cavity is arranged at the upper end of the fence, a main control board is arranged in the main control cavity, and a right side of the main control board is arranged There is a wireless network module, the wireless network module is electrically connected to the main control board, the two ends of the fence are provided with installation cavities on the front and rear sides, the installation cavities are provided with electromagnets, the adjacent fences are provided with a connecting mechanism, and the two sides of the lower side of the fence are provided. Each end is provided with a moving mechanism that drives the fence to move, and the inner side of the moving mechanism is provided with a fixing mechanism for fixing the position of the fence. The beneficial effects of the present invention: the present invention enables the fence to move by itself, and when the user needs to change the animal husbandry area, it can effectively reduce The labor intensity of the user.

The invention relates to a helicopter coaxial double-cone rotor parallel manual device. The device comprises a rotor wing group, a parallel mechanism, a forward and reverse rotation mechanism, a variable-cone mechanism and a spring; the rotor wing group comprises a core rod, an inner sleeve, an outer sleeve, a pull rod group, upper and lower paddle groups, upper and lower connecting rod groups, and upper and lower rings; the upper and lower paddle groups are rotationally connected with the upper ends of the inner and outer sleeves; the parallel mechanism is connected with the rotor wing group in parallel, and a hand-operated crank drives the rotor wing group to swing and stretch; the forward and reverse rotation mechanism drives a coaxial double-connecting-frame rotor wing to rotate forwardly and reversely through the inner and outer sleeves, upper and lower large gears, an idle gear and the upper and lower gears; the variable-cone mechanism changes the included angle between the blades and the axis of the rotor wing group through the core rod, the upper and lower rings and the upper and lower connecting rod groups, and changes the lift force and the flight speed. The device is simple and light, can change the flight direction, speed and lift flight, and has the advantages of high navigational speed, large rotor lift force, balanced reaction torque, simple structure, short fuselage, centered gravity center, symmetrical aerodynamic force, small rotation diameter, good stability and the like.