51results about How to "Flexible retractable" patented technology

The invention relates to a self-elevating overhead wind power generating set, and belongs to the technical field of generating equipment. The self-elevating overhead wind power generating set is composed of a self-elevating sphere wing, a self-adjusting wing, a medium frequency wind driven generator and a lead mechanism, wherein the self-elevating sphere wing provides static and dynamic elevating forces for the set, so that the unit can still remain in the air without breeze, and the height of the set in the air remains almost unchanged during the generation process; the self-adjusting wing ensures that the unit can absorb the wind energy in the air with the maximum windward side; the medium frequency generator has the advantages of small size and light weight, so that the total weight of the overhead part of the set is greatly reduced; and the electric energy is transmitted to the ground through a downlead. The wind energy in the air is far stronger than the wind energy on the ground and keeps steady in most areas, therefore, the low-power wind power generating set is free from limitation of the terrain, avoids constructing a tower, can be elevated by itself up to the air over a hundred meters, and has a better application prospect.

The invention discloses a hybrid new energy power generation device. The hybrid new energy power generation device comprises a base, a self-adaptive photovoltaic power generation device, a self-adaptive wind power generation device and an angle adjusting mechanism, wherein the self-adaptive photovoltaic power generation device, the self-adaptive wind power generation device and the angle adjusting mechanism are arranged on the base. The angle adjusting mechanism comprises a hydraulic system, a photovoltaic oil cylinder, a wind power oil cylinder, a photovoltaic rack and a wind power rack, the hydraulic system is arranged in a hydraulic control box, and the hydraulic control box is installed on the base. The photovoltaic oil cylinder and the wind power oil cylinder communicate with the hydraulic system, and piston rods of the photovoltaic oil cylinder and the wind power oil cylinder are connected with the photovoltaic rack and the wind power rack correspondingly. The photovoltaic rack is engaged with a photovoltaic gear disc, and the wind power rack is engaged with a wind power gear disc. The photovoltaic oil cylinder and a wind power oil cylinder are jointly controlled to stretch out and draw back through the hydraulic system, and then the photovoltaic rack and the wind power rack are driven to move, so that the photovoltaic gear disc and the wind power gear disc are controlled to rotate according to the sun irradiation direction and the airflow direction, a solar cell panel faces the sun irradiation direction, a horizontal shaft fan faces the airflow blowing direction, and solar energy and wind energy can be better utilized.

The invention provides a belt winding and unwinding device and a fire truck and belongs to the field of fire-fighting equipment. The belt winding and unwinding device comprises a belt guide mechanism, a belt winding mechanism and a rotating mechanism. The belt guide mechanism is connected with the belt winding mechanism. The belt winding mechanism is connected with the rotating mechanism and can rotate under the drive of the rotating mechanism. The fire truck comprises a truck body and the belt winding and unwinding device. The rotating mechanism of the belt winding and unwinding device is mounted on the top of the truck body. The belt winding and unwinding device can achieve quick winding and unwinding of fire-fighting water belts in multiple positions and meanwhile can achieve automatic dragging, placing and lifting up of fire-fighting water pumps, so that the operation convenience of the firefighters and the practicability of the belt winding and unwinding device are improved effectively, and the defects existing in the prior art are made up for; and the belt winding and unwinding mechanism is mounted on the top of the fire truck, and flexible and quick winding and unwinding of the fire-fighting water belts can be achieved, so that related operation of the firefighters is facilitated, and accordingly the defects in the prior art are made up for.

The invention discloses drum brake pad abrasion line processing equipment which comprises a feeding conveyor belt, a tableting device, a grinding machine, a rotating table, a discharging sliding plateand a workbench, wherein the grinding machine and the rotating table are arranged on the workbench; the rotating table is arranged close to the grinding machine; dialing bulges are uniformly arrangedon the side wall of the rotating table; a rotating motor connected with the rotating table is arranged in the workbench; the feeding conveyor belt and the discharging sliding plate are correspondingly arranged on two sides of the rotating table; a bracket is arranged between the feeding conveyor belt and the rotating table; first baffle plates are arranged on two sides of the bracket; a second air cylinder used for pushing brake pads is arranged below the feeding conveyor belt; second baffle plates are arranged on two sides of the end, close to the rotating table, of the discharging sliding plate; pulling pieces are arranged between the first baffle plates and the second baffle plates, and positioned between the rotating table and the grinding machine; a dialing hole is formed in the discharging sliding plate; a first air cylinder is arranged below the discharging sliding plate; and a pulling block is arranged at the end part of the first air cylinder and matched with the dialing hole.

The invention relates to a foldable hanging basket. The foldable hanging basket comprises a portal frame, a baseplate mounting plate, a chain connecting buckle, a left rotating baseplate, a right rotating baseplate, a left rail piece, a right rail piece, U-shaped frames, a connecting beam, fixed bolts, a bolt, a transverse chain, a longitudinal chain and a climbing pull chain, wherein the left rotating baseplate and the right rotating baseplate are hinged to the left and right sides of the baseplate mounting plate through pin shafts; the left rail piece and the right rail piece are hinged to the front ends of the left rotating baseplate and the right rotating baseplate through pin shafts; and one ends of the two U-shaped frames are fixed on the connecting beam through pin shafts, and the other ends are connected with the upper ends of the left rail piece and the right rail piece through the fixed bolts. The foldable hanging basket has the following advantages: a basket body of the foldable hanging basket adopts a foldable structure, so that the structure is skilful, the basket body can be flexibly stored, the occupied space is reduced, and the carrying is quick; and the foldable hanging basket has such characteristics as flexibility, simplicity and low production cost.

The invention discloses a heat dissipation device, and belongs to the technical field of electromechanical equipment. The heat dissipation device comprises a support frame, a winding part, a pipe body, a first air exhaust assembly and a second air exhaust assembly, wherein the winding part is rotatably arranged on the support frame, one end of the pipe body is wound on the winding part, the otherend of the pipe body is a free end, the first air exhaust assembly is connected to the free end of the pipe body and is used for sucking air around a power distribution cabinet into the pipe body, andthe second air exhaust assembly is arranged on the support frame, located on one side of the pipe body, capable of being connected into the pipe body, located on the downstream of the air flow direction and used for exhausting air to the external environment. According to the invention, hot air around a power distribution cabinet is exhausted through two air exhaust assemblies in sequence througha pipe body and guided to the far position, so that air circulation around the power distribution cabinet is accelerated, the surrounding environment of the power distribution cabinet is cooled, andthe ventilation and heat dissipation effects are good; and the pipe body is wound around the winding part, the free end of the pipe body is convenient to fold and unfold, and the free end of the pipebody moves flexibly, so that the air sucking position is convenient to adjust, and use is convenient.

The invention, which, belongs to the demonstration apparatus of the technical field of the teaching appliances, discloses an all-touch intelligent physics teaching display terminal for a middle school. The invention aims at providing an all-touch intelligent physics teaching display terminal for a middle school. The display terminal comprises a pedestal, a support frame, and a cross bar. The support frame being a folding type support frame includes telescopic rods fixed at the two ends of the pedestals and a telescopic support arranged between the telescopic rods; guide wheels are connected to end portions of two movable rods arranged at the ends of the telescopic support; and the two pairs of guide wheels arranged at the two ends of the telescopic support are respectively arranged at a guide rail of the pedestal and a guide rail of the cross bar. Besides, a display device is connected to the cross bar and a teaching board is connected to one side of the display device. The provided display terminal is used as a physics teaching demonstration apparatus for teaching.

The invention discloses a multipurpose heating heat exchanger. The multipurpose heating heat exchanger aims at being more suitable for being used in homes. The multipurpose heating heat exchanger comprises a heating channel and a tap water channel. The outer shape comprises a plurality of round pipes arranged in parallel. The adjacent round pipes are fixedly connected to be in a pipe row shape through connecting pieces on the side faces of the two far ends of the round pipes, and an inner round chamfering seal head is welded to the end face of each round pipe. A plurality of expansion bolts used for mounting of the heating heat exchanger are further arranged. The round pipes arranged in parallel are arranged vertically, and buckling end covers with the shapes matched with the shapes of the ends of a pipe row are arranged at the upper end and the lower end of the pipe row correspondingly. Strip-shaped waterproof baffles the same in direction are arranged between the adjacent round pipes arranged in parallel in the pipe row shape, the whole waterproof baffles are located on the front portions of the planes of the center lines of the round pipes, the two side faces of each waterproof baffle are attached to the outer walls of the corresponding adjacent round pipes, and the waterproof baffles and the pipe row are buckled together through the buckling end covers. A fixed commodity shelf fastened through a nut and a commodity shelf capable of moving and deforming are mounted on a lead screw, stretching out of the pipe row, of each expansion bolt.

The invention provides a novel solar panel folding device. The device comprises two scissor support assemblies, a plurality of solar cell panels and a plurality of supporting assemblies. The solar cell panels are sequentially arranged to form a solar cell panel array, the solar cell panel array is hinged to the two shear fork support assemblies through first rotating shafts, and every two adjacent solar cell panels are hinged through a second hinge. The upper ends of two side rods of a scissor support assemblies are hinged to two first rotating shafts, a plurality of scissor rods are divided into two sets, every two adjacent scissor rods in the same set are hinged through a hinge seat, the two sets of scissor rods are hinged to the two side rods respectively, and upper supporting hinge seats are arranged on the upper sides of the two sets of scissor rods. A supporting seat of each supporting assembly is fixed to the upper supporting hinge seat, a limiting groove is formed in the side wall of the supporting seat, a first positioning hole is formed in the supporting seat, and one end of a supporting rod is hinged to the limiting groove through a pin shaft. According to the device, an original fixed small photovoltaic power generation system can be converted into a movable photovoltaic power generation system which can be folded and stored.

The invention discloses an oral examination device for pediatric treatment, relates to the technical field of pediatric medical equipment, and aims to solve the problem that children cry and scream or do not cooperate due to long-time head raising actions. The device specifically comprises a base, a hydraulic cylinder is arranged on the outer wall of the top of the base, a deck chair is arranged on the outer wall of the top of the hydraulic cylinder and is of a folding structure, and a breathable cushion is arranged on the outer wall of the top of the deck chair; a first mounting box is arranged on the outer wall of the top of the base, fixing blocks are arranged on the inner walls of the opposite sides of the first mounting box, the outer walls of the two fixing blocks are slidably connected with the same first supporting column through first sliding grooves, and the two first sliding grooves are formed in the outer walls of the two sides of the first supporting column correspondingly; the top outer wall of the first pillar is arranged on the bottom outer wall of the deck chair. The standing angle of the deck chair is adjusted, the comfort degree of a child during sitting is improved through the breathable soft cushion, and the situation that the child does not cooperate with examination due to neck ache caused by long-term standing during oral examination is avoided.

A portable bed comprises a middle ring, four bottom rods, four side rods, two flat connecting plugs, four cylindrical connecting plugs, four -shaped circlips, four bottom covers, four flat blank caps and two nylon fabric bed parts. The side of the middle ring is provided with four circular through holes. The bottom rods are made by stamping and bending metal round tubes. The middle corrugated outer side of each bottom rod is provided with a circular hole riveted to the corresponding circular through hole of the middle ring. Each bottom rod is provided with a transverse slot in which the corresponding -shaped circlip is connected. Two of the flat connecting plugs are plugged into the rear ends of front two of the side rods by riveting. The flat blank caps cover the front ends of two front side rods and the rear ends of two rear side rods. The four front side rods are entered into bags on two sides of the two nylon fabric bed parts, respectively. Each cylindrical connecting plug comprises a rivet nut and a nylon tubular member. The four rivet nuts are riveted to the middle bottom faces of the four side rods, respectively. The four nylon tubular members are screwed to the four rivet nuts through four bolts, two front side rods are connecting with two rear side rods, and the nylon tubular members on the four side rods are entered into tube holes in the tops of the four bottom rods and are positioned with the four -shaped circlips.

The invention discloses a robot cooperative folding and unfolding device and method, and relates to the technical field of ships. A hanging bracket component plays a supporting role. A rolling compensation device comprises a first swing oil cylinder and a second swing oil cylinder which are horizontally arranged to realize rolling compensation of the ship body. A heave compensation device is a heave compensation winch and is used for realizing heave compensation of the ship body; a pitching compensation device comprises a first servo hydraulic cylinder and a second servo hydraulic cylinder andis used for realizing pitching compensation on the ship body; a mechanical arm winding and unwinding device is provided with a visual servo mechanical arm, a hook of a mooring rope is in butt joint with an unmanned submersible or a lifting ring, an anti-collision bottom plate is arranged at the bottom of the device, an elastic buffer device is arranged above the anti-collision bottom plate, and thus the unmanned submersible is prevented from being collided and damaged. The device has the advantages that three-degree-of-freedom compensation caused by stormy waves can be actively completed, hooking and unhooking actions are autonomously completed by means of the mechanical arm, and the unmanned submersible is automatically and intelligently recycled with high safety and high efficiency.

The invention discloses a simple-type safety warning tape box and device and relates to the technical field of safety facilities. The simple-type safety warning tape box comprises a first winding drum, a second winding drum and a connecting piece fixedly connected with the first winding drum and the second winding drum in a right-angled intersection mode. A warning tape winding box containing warning tapes is arranged in each winding drum. A rotating shaft is arranged in the middle of each warning tape winding box. An image-pickup device is arranged on the upper portion of the first winding drum and can monitor a warning area in real time and store a video of the warning area. The simple-type safety warning tape box is fixedly connected on the top of a warning rod in an inserted mode to finish fixing of a simple-type safety warning device. A telescopic structure with the height being adjustable is arranged on the lower portion of the warning rod. The simple-type safety warning tape box and device have the advantages that the warning tapes are arranged at the warning area in the right-angled intersection mode; the structure is simple; the warning real-time situation is examined at any time; the warning rod is adjustable in height, convenient for retracting and extending and flexible in operation; and meanwhile space is saved, and the working efficiency is improved.

A portable beach chair comprises a waist loop, four leg rods, two middle cranked rods, two front rods, two rear rods, four -shaped snap springs, a middle chair cloth cover, a front chair cloth cover and a rear chair cloth cover. Four circular penetrating holes are formed in the side wall of the waist loop. The leg rods are formed by punching and bending metal circular pipes. The outer sides, bent in a wavy mode, of the middles of the leg rods are provided with circular holes and connected with the waist loop in a riveting mode. Transverse open grooves are formed in the leg rods and internally connected with the -shaped snap springs. The middle cranked rods are formed by pressing and bending rectangular pipes. The front rods and the rear rods are each formed by a rectangular front pipe, a flat connecting plug and a flat blank cap. The middle cranked rods, the front rods and the rear rods penetrate into the two sides of the middle chair cloth cover, the two sides of the front chair cloth cover and the two sides of the rear chair cloth cover respectively. Columnar connecting plugs each comprise a pull rivet nut and a nylon tubular member. The four pull rivet nuts are connected to the bottom faces of the front portions and the rear portions of the two middle cranked rods in a riveting mode respectively. The four nylon tubular members are connected with the four pull rivet nuts in a screwed mode through four bolts. The nylon tubular members of the two middle cranked rods penetrate into pipe holes of the tops of the four leg rods and are positioned through the four -shaped snap springs. The two front rods and the two rear rods penetrate into the front ends and the rear ends of the two middle cranked rods.

A water pump bracket for agricultural irrigation includes a base, wherein a support mechanism is mounted at the bottom end of the base; universal wheels are fixedly connected with the bottom end of the base; a support plate is mounted in the center at the upper part of the base; a vibration cushion mechanism is mounted between the support plate and the base; a water pump is fixed on the support plate; support pillars are fixed at the four corners at the upper part of the base; a fence is connected between the adjacent support pillars; a rainproof mechanism is mounted at the top ends of the every two support pillars. According to the invention, the vibration cushion mechanism can be used for reducing noises caused by vibration collision of the water pump, and preventing connection loosenessof water pipes caused by violent vibration of the water pump; the rain-proof mechanisms prevent rainwater from entering the water pump to cause short circuit and damage of a power generator inside the water pump; the support mechanism enables the water pump to be stably placed in a bumpy farmland, and prevents shaking of the water pump caused by slant placement and vibration of the water pump.