108results about How to "Guaranteed linkage" patented technology

The invention relates to a three-wheel type multifunctional rollator. The technical scheme is that the front ends of two rollator frames (12) are symmetrically installed above a hinge support (14), a universal wheel (13) is installed below the hinge support, the rear ends of the rollator frames (12) are provided with rear wheels (11), the front ends of the rollator frames (12) are provided with horizontal petals (15), grab bars (1) are sleeved on vertical rods of the rollator frames (12), and the vertical rods of the rollator frames (12) can be folded through folding rotating shafts (9). A movable backrest (21) is installed on a back belt support (22) and can change positions in the forward and backward direction and achieve the functions of a chair wheel and a rest seat. A lifting rope (3) achieves the folding and unfolding of the rollator frames (12) by rotating rotary sleeves (5) arranged on two sides of a folding seat plate (4) around a transverse shaft (18) and by rotating the transverse shaft (18) around a vertical short shaft (19). A shopping bag (16) is installed below the folding seat plate (4) to achieve a shopping function. A baby carriage bucket (32) is additionally installed on the rollator frames (12) to achieve a baby carriage function. The foldable multifunctional rollator has the advantages of being simple in structure, strong in universality, convenient to fold, small in storage space and multiple in function.

A vertical lifting column for lighting vehicle is composed oftwo pneumatic springs, 5 lifting pipes, 3 internal sleeves, 3 pulley sets, 3 steel cables and a manual rocker fixed to the first lifting pipe for driving the lifting up or lowering down of said lifting column.

The invention belongs to the field of electric power construction tools and in particular relates to ratchet type insulation wire clamping pincers used for high-voltage electrified wire construction. The ratchet type insulation wire clamping pincers comprise a first insulation rod and a second insulation rod. A block type chuck and a hook-like chuck are respectively arranged on top ends of the two insulation rods. The ratchet type insulation wire clamping pincers also comprise a ratchet assembly. The ratchet assembly comprises a gear part, a back support and a locking piece. A ratchet, a handle part and a pawl are arranged in the back support. The locking piece comprises a top block and a press spring. The top block is in the same direction with the unidirectional locking direction of the pawl relative to the unidirectional locking direction of the ratchet. The top block is arranged on a moving route of the handle part or the pawl. A matching surface used for matching the handle part or the pawl is arranged on the top block. The pressing force direction, relative to the matching surface, of the handle part or the pawl is opposite to the elastic restoring force direction of the press spring. The pincers is highly practical and convenient and quick to use; and high safety during working is ensured while high-efficient hot-line work is ensured.

The invention discloses an operation mechanism of a small-size breaker. The operation mechanism comprises a shell, a handle, a U-shaped connection rod, a contact support, a jumping pin, a lock catch, a pull rod, a movable contact, a metal sheet and an electromagnetic device; a rotary shaft is inserted in the shell; the middle of the contact support is hinged onto the rotary shaft; a downwards-inclined long slot hole is formed in the upper end of the contact support; one end of the U-shaped connection rod is hinged to and fixed with the inner end of the handle; the other end of the U-shaped connection rod slides in the long slot hole; a V-shaped slot capable of forming touch abutting with the end, sliding in the long slot hole, of the U-shaped connection rod is correspondingly formed in the upper end surface of the lock catch, so the linkage with the lock catch can be realized by the sliding of the U-shaped connection rod in the long slot hole; the end, linked with the lock catch, of the U-shaped connection rod is changed to be the movable end, so the separating probability of the breaker in the fast switching on process is greatly reduced, the switching off action of the breaker is faster and the operation is more stable and more reliable.

A full-automatic gravity casting apparatus comprises a molten aluminum thermal insulation furnace, a quantitative furnace, thermal insulation sprues, a disc casting machine and a control system; the molten aluminum thermal insulation furnace comprises a thermal insulation furnace and a lifting table with an inclining function; the molten aluminum thermal insulation furnace with a pouring function is in charge of processing molten aluminum before use, degassing, insulating and supplying the molten aluminum to the quantitative furnace; the quantitative furnace is provided with a long electric heating nozzle which is provided with a degassing protection device; the thermal insulation sprues are made of compacted Mullite polycrystalline cotton and are reusable; the disc casting machine consists of six gravity casting machines, each of which is provided with a metal die, and one of the thermal insulation sprues is used on one of the metal dies; and the control system ensures the linkage of the disc casting machine and the long-nozzle type quantitative furnace according to an instruction of an operator. One disc casting machine is operated by only one operator, a coated sand sprue cup is omitted, and low energy consumption and stable quality are realized.

The invention discloses a photovoltaic tracking system, which comprises a plurality of support posts, a plurality of main girders, at least one connecting rod assembly, a transmission mechanism and a drive device, wherein the plurality of main girders are arranged side by side; the main girders are rotatablely arranged on the support posts and are used for installing solar photovoltaic panels; the at least one connecting rod assembly is connected with the adjacent main girders and comprises a pair of swing arms and a connecting rod, one end of each swing arm is fixedly connected with the main girders and the other end is hinged with the connecting rod, and the connecting rod is located between the pair of swing arms; each swing arm comprises a plurality of sub-swing arms, an included angle is formed between the adjacent sub-swing arms and one ends of the plurality of sub-swing arms are connected and then connected with the connecting rod; the transmission mechanism is connected with the first main girder; the first main girder is a main girder in the plurality of girders; the transmission mechanism is used for driving the first main girder to rotate on an upright post on which the first main girder is located; and the drive device is connected with the transmission mechanism and is used for driving a transmission structure to rotate. The photovoltaic tracking system is stable in structure and smooth in operation; and a plurality of photovoltaic panels can be driven to rotate through one drive device.

The invention discloses inner hexagon stamping equipment of core bodies of valve cores, and belongs to the technical field of mechanical equipment. The stamping equipment comprises a support, the support is provided with an index plate, the index plate is provided with a plurality of assembly stations, and a feeding device, a detecting device, a punching device, a chipping removing device, a discharging device and a re-detecting device are sequentially arranged around the assembly stations in the rotation direction of the index plate. The core bodies are moved to the assembly stations through the feeding device, the index plate rotates, the detecting device detects whether the core bodies exist, then the punching device punches inner hexagons in the core bodies, the chipping removing device removes chippings generated in the inner hexagon stamping process, and finally the core bodies are discharged and collected and return to the feeding position after detected by the re-detecting device. According to the stamping equipment, rotating of the index plate, feeding of the feeding device and operating of the punching device are driven by one drive device, and control is accurate and simple.

The invention relates to a harmonic reducer with a lubricating function. The harmonic reducer with the lubricating function comprises a rigid wheel. A flexible wheel is connected into the rigid wheel in a transmission mode. A harmonic generator is connected into the flexible wheel in a transmission mode. The harmonic generator is fixedly connected with a power output shaft of a servo motor. The rigid wheel comprises a motor installation base. An elastic connecting device is arranged between one side of the motor installation base and the servo motor and comprises an annular connecting part fixedly connected with the servo motor. An elastic connecting part is arranged between the annular connecting part and the motor installation base. The annular connecting part is coaxial with the elastic connecting part, the inner diameter of the annular connecting part is the same as the inner diameter of the elastic connecting part, and the outer diameter of the elastic connecting part is smaller than the outer diameter of the annular connecting part. Oil storage grooves are formed in the two side edges of the surface of the inner side of the rigid wheel, and the section of each oil storage groove is in the shape of a circle with notches. The effect that a rotary shaft of the motor is kept being coaxial with the harmonic generator is guaranteed through the elastic connecting device, and the contact surfaces of the flexible wheel and the rigid wheel are lubricated through the oil storage grooves, so that the normal engagement and the linkage effect of the flexible wheel and the rigid wheel are guaranteed, and the service life of the harmonic reducer is prolonged.

The invention provides a two-segment linkage automobile door with the upper portion and the lower portion in side by side connection. The automobile door comprises an upper automobile door, an upper automobile door hinge torsion rod assembly, a door lock assembly, a lower automobile door, a lower automobile door torsion rod assembly and an automobile door opening sealing bar assembly, wherein a linkage mechanism is installed between the upper automobile door and the lower automobile door and comprises an upper door supporting lug fixed to the upper automobile door, a lower door supporting lug fixed to the lower automobile door and a linkage rod which is hinged to the upper supporting lug and the lower supporting lug, a pedal assembly is arranged in the lower automobile door, one end of a limiting iron chain is fixed to the periphery of an automobile body, and the other end of the limiting iron chain is fixed to the pedal assembly. A pneumatic supporting rod is hinged to the middle of the linkage rod, and the lower end of the pneumatic supporting rod is fixed to the floor through a hinged base. Through the side by side connection automobile door with the upper portion and the lower portion turned, the requirement that one stair of pedal is needed when a person gets on an automobile can be met, the upper automobile opening space can be maximized, fighting passengers can carry equipment to get on or off the automobile fast in the running process of the automobile, and door opening and closing efficiency and safety can be improved through the pneumatic supporting linkage mechanism.

The invention discloses a square lithium ion battery lug welding clamp. The square lithium ion battery lug welding clamp comprises a cover plate platform and a carrying platform arranged in parallel,wherein a fixed baffle plate is fixedly arranged at one end of the carrying platform while a telescopic mechanism is arranged at the other end of the carrying platform, side clamping devices are symmetrically arranged on two sides of the carrying platform, and the telescopic mechanism is slidably connected to the side clamping devices; the telescopic mechanism comprises a main shaft which is vertically and movable arranged in the carrying platform in a penetrating manner, one end of the main shaft is vertically connected to a movable baffle plate, and an end telescopic part is connected to themovable baffle plate; a connecting rod is vertically and fixedly arranged in the middle of the main shaft; each of the side clamping devices comprises a triangular track movably arranged in the carrying platform in a penetrating manner, the beveled edge of the triangular track and the end part of the connecting rod are matched to slide, and the outer end of the triangular track is connected to aside telescopic part through a side baffle plate. The periphery of a roll core is limited by means of the fixed baffle plate, the movable baffle plate and side baffle plates on the two side clamping devices, so that accurate positioning is achieved, and therefore, the welding quality is guaranteed.

The invention provides an underwater article lifting and delivering device based on a toothed-bar linkage principle, and relates to the technical field of ocean engineering. The underwater article lifting and delivering device based on the toothed-bar linkage principle comprises a positioning plate. A threaded ring is fixedly connected to the front side of the positioning plate. The positioning plate is circular, and the circle center of the positioning ring coincides with that of the threaded ring. Six uniformly-distributed lightening holes are formed in the surface of the positioning plate.The radius of the threaded ring is greater than the distance from each of three half gears to the midpoint of the positioning plate, and the three half gears are all engaged with the threaded ring. According to the underwater article lifting and delivering device based on the toothed-bar linkage principle, connecting rods rotate upwards or downwards to change the distance between every two of a first-stage support, a second-stage support, a third-stage support and a fourth-stage support, so that storage and height adjustment are facilitated, and the linkage and stability of all structures areensured; meanwhile, by adoption of the toothed-bar linkage principle, operation is more convenient and effortless, and the operation time is shortened; and in addition, the height is adjusted, so thatthe practicability and applicability of the underwater article lifting and delivering device are improved.

The invention relates to a rotary pedal structure for a crew department of a fire engine, and belongs to the technical field of fire engines. The rotary pedal structure comprises a crew department, wherein the bottom of the crew department is provided with a crew department under carriage used for fixing a chassis of the fire engine, and one side of the crew department is pivoted with a crew department door. The rotary pedal structure of the crew department comprises a pedal body pivoted with the crew department under carriage and connected with the crew department door. When the crew department door is closed, the pedal body is unfolded into the bottom of the crew department; and when the crew department door is opened, the pedal body is unfolded out of the bottom of the crew department along with the crew department door. The rotary pedal structure has the advantages that the linkage of the crew department door and the pedal body is ensured, and the pedal body is in a hidden state to avoid damage when the fire engine runs; and the door opening action and the movement of the pedal body are combined into one, so that the valuable relief time of firefighters is saved.

The invention discloses a filling glove box, belongs to the field of power lithium batteries, is used for assisting in battery filling and comprises a main box body, windows, glove connectors, an incoming box and an outgoing box, wherein the front wall and the rear wall of the main box body are provided with the windows; the windows are provided with the glove connectors; two side walls of the main box body are respectively provided with the incoming box and the outgoing box; two parallel transmission mechanisms are arranged in the main box body; the incoming box and the outgoing box have respective transmission mechanisms. According to the invention, the incoming box and the outgoing box have respective transmission mechanisms, thus ensuring automation of the operation that the battery gets into or gets out of the box; the main box body has two transmission mechanisms, thus ensuring co-movement of the battery in the box body during transporting, weighting, filling, vacuumizing and sealing, solving the problem of difficulty in the operation that the battery gets into or gets out of the box and greatly improving the working efficiency.

The invention belongs to the technical field of building elevators, and discloses a building elevator capable of being self-locked under the overlarge wind speed. The building elevator capable of being self-locked under the overlarge wind speed comprises a lifting frame, a lifting suspension cage, a wind speed detection device and a self-locking device. The self-locking device comprises a drivinginstallation seat welded on one side of the lifting suspension cage and a pressing guide roller installed on the driving installation seat, a self-locking gear and self-locking rotating rods symmetrically arranged on the two sides of the self-locking gear are installed in the driving installation seat, the self-locking rotating rods are pneumatically driven, when air flow enters the driving installation seat along the air speed detection device, the self-locking rotating rods rotate, and the self-locking gear and the pressing guide roller are self-locked without rotation. In summary, the windspeed detection device is combined with the self-locking device, so that self locking of the whole elevator is automatically executed when the wind speed is too large, and the safety of the elevator used outdoors is effectively improved; and in addition, the self-locking device and the wind speed detection device are both composed of mechanical parts, and the building elevator has the advantages of being stable in structure, low in cost, long in service life and accurate in driving.

The invention discloses an automobile part transfer device that comprises a movable chassis and a plurality of universal rollers arranged on the lower surface of the movable chassis; a part containingbox is installed on the movable chassis. A lifting steering mechanism is installed between the part containing box and the movable chassis. The lifting steering mechanism comprises a sliding rail, asliding table and a bearing table, two supporting columns, and two groups of driving mechanisms used for steering; the slide rail is fixed on the movable chassis; the bottom of the sliding table is insliding fit with the sliding rail; the top face of the sliding table is matched with the bottom face of the bearing table through a diagonal plane, the diagonal plane inclines downwards along one side of the sliding advancing direction of the sliding table, the two supporting columns are vertically fixed on the movable chassis, the upper ends of the supporting columns penetrate through the bearing table and can be bent along one side of the sliding advancing direction of the sliding table, and the part containing box is fixed on the bearing table. An air cylinder is adopted as a driving part,lifting and overturning of the part containing box can be achieved, and manual intervention can be avoided as much as possible in the unloading process.

The invention discloses a decorative aluminum alloy door window. A rotating shaft is fixedly mounted at one end of a window frame, a connecting rod is fixedly connected between two window frame pulleys, movable grooves are symmetrically formed in the end, which is away from the rotating shaft, of the middle of the window frame, a movable column is movably mounted in each movable groove, a connecting block is fixedly connected to the bottom end of each movable column, a connecting rod is fixedly mounted at one end of the middle of each connecting block, and a fastening knob is connected to oneend of each connecting rod. Through cooperative use of the movable columns and the connecting blocks, one end of the window frame is separated from the window frame pulleys; through use of the rotating shaft, it is ensured that the window frame and an aluminum alloy window body can rotate, the window frame is conveniently turned over, great convenience is provided for cleaning the window frame andglass, the circumstances that the outward face of the glass of the window frame is inconvenient to clean, consequently, dust is gathered on the surface of the glass, and normal sunlight irradiation is affected are avoided, cleaning personnel can clean the glass without standing outside the window, and the safety is improved.

The invention belongs to the technical field of medical instruments, and particularly relates to a medical lower limb rehabilitation exercise device for a critical patient. The medical lower limb rehabilitation exercise device comprises a bed board; a leg exercise mechanism is connected onto the bed board; the leg exercise mechanism includes rotating supports rotatably connected with the bed board; each rotating support is rotatably connected with a rotating support plate; each rotating support cooperates with the corresponding rotating support plate; each rotating support plate is rotatably connected with a front rotating frame; each front rotating frame is rotatably connected with a middle frame; each middle frame is rotatably connected with a rear rotating frame; each rear rotating frame is rotatably connected with a sliding block; each sliding block is in slidable and rotatable connection with the corresponding rotating support plate; each rear rotating frame is provided with a second massage mechanism; the bottom face of the bed board is further provided with a first adjusting mechanism and a second adjusting mechanism which cooperate with the rotating supports and the rotating support plates; and the bed board is further provided with first massage mechanisms. The problems that a lower limb rehabilitation exercise device for the critical patient in the prior art is single in function, cannot massage the patient and is not beneficial to rehabilitation of the patient are effectively solved.

The invention discloses a multidirectional knee joint traction device for orthopedic rehabilitation nursing use. The multidirectional knee joint traction device for the orthopedic rehabilitation nursing use comprises a base, a first cylinder, and a second cylinder; the first cylinder is installed on the left side of the base; a chute is formed in the middle of the base; a rotating shaft is connected to the right side of a guide plate; connecting blocks are fixed at both the front end and the rear end of the right side of an mounting plate; the second cylinder is installed inside the right sideof the base; a support plate is installed inside the mounting plate; and an adjustment bolt is mounted at the rear of a slider. According to the multidirectional knee joint traction device for the orthopedic rehabilitation nursing use, the support plate is arranged inside the mounting plate, and is driven to open a certain angle inside the mounting plate along with rotation of the adjustment bolt; and then, the mounting plate is pushed to horizontally move inside the base by the second cylinder, so that the movement angle of the knee joint can be changed when the knee joint is being towed, thereby increasing flexibility during joint traction so as to benefit rehabilitation effect improvement of the knee joint.

The invention provides a three-dimensional vertical type carving machine for solving the problem that the carving machine is limited in carved work pieces and high in possibility of producing defective goods in the prior art. The carving machine comprises a base and a portal frame fixed with the base into one body, wherein the base is provided with at least one rotational horizontal work table; a positioning mechanism is arranged above the horizontal work table; the portal frame is further provided with a carving mechanism; the caving mechanism comprises a caving beam capable of performing reciprocal movement up and down along the portal frame; the carving beam is provided with a first guide rail extending along a left-right direction; a first sliding block moves in a reciprocal straight line manner on the first guide rail; the first sliding block is provided with a second guide rail extending in a front-back direction; a second sliding block moves in a reciprocal straight line manner on the second guide rail; a knife rest is fixed on the second sliding block; a carving knife is mounted on the knife rest. The caving machine can process work pieces of any weights and the caving machine cannot be damaged by too heavy work pieces; the center of gravity of the work pieces in the rotating process is stable without deviations, so that the deflective percentage is greatly reduced.

The invention relates to the technical field of valves, in particular to a high-pressure gas-controlled bacteria valve. The high-pressure gas-controlled bacteria valve comprises a first shell, a valveelement, a second shell and a pneumatic part; a medium cavity is formed inside the first shell, an inlet channel communicating with the medium cavity and the outside is formed in the first shell, andan outflow channel communicating with the medium cavity and the outside is further arranged on the first shell; the valve element is arranged in the valve cavity and is located between the inlet channel and the outflow channel; a pneumatic cavity is formed in the second shell, and the outer wall of the second shell is provided with an air channel interface communicating with the pneumatic cavityand the outside; the pneumatic part can perform reciprocating motion in the pneumatic cavity under the driving of an external air source and simultaneously drive the valve element to do reciprocatingmotion; and the valve element is suitable for cutting off or opening a passage formed by the inlet channel and the outflow channel when the valve element performs reciprocating motion in the medium cavity, and the movement direction of the valve element is perpendicular to the inlet channel. According to the high-pressure gas-controlled bacteria valve, the flow rate of the medium can be more stable, meanwhile, the valve has the advantages of being high in reliability, high in adaptability and the like.

The invention relates to a device for slicing rhizoma dioscoreae. The device comprises a shearing part and a blade angle adjusting mechanism, wherein the shear part comprises an upper shear plate and a lower shear plate which are oppositely arranged in parallel and can be relatively close to or away from each other; a plurality of upper blades and lower blades which can be mutually sheared and closed are separately and uniformly distributed on the lower end face of the upper shear plate and the upper end face of the lower shear plate; the upper blades and the lower blades are separately and rotationally connected with the upper shear plate and the lower shear plate by a rotating shaft perpendicular to the lower end face of the upper shear plate and the upper end face of the lower shear plate; the blade angle adjusting mechanism comprises a first linking rod and a second linking rod; one end of each upper blade and one end of each lower blade are separately hinged to the first linking rod and the second linking rod; the upper shear plate is parallel to the lower shear plate, and an upper clamping groove and a lower clamping groove are separately formed in the side faces, close to the first linking rod and the second linking rod, of the upper shear plate and the lower shear plate along the length directions of the upper shear plate and the lower shear plate; a first clamping part extending from the first linking rod is clamped with the upper clamping groove in a sliding manner; and a second clamping part extending from the second linking rod is clamped with the lower clamping groove in a sliding manner.

The invention provides a bicycle gear shifter and a bicycle. The bicycle gear shifter includes a housing internally provided with a bracket, a winding member rotatably mounted on a rotating shaft of the bracket, a ratchet wheel sleeving the winding member, a pawl member positioned at the circumference of the ratchet wheel and movably connected to the bracket, a release lever and a push lever rotatably connected to the rotating shaft. The ratchet wheel is provided with a first tooth portion and a second tooth portion at the circumference, a positioning pawl disposed toward the first tooth portion and a release pawl disposed toward the second tooth portion are arranged at the both ends of the pawl member, the positioning pawl and the release pawl are located on opposite sides of the ratchetwheel, the release lever is hinged to the bracket and can poke the pawl member to slide relative to the bracket, so that the positioning pawl is engaged or disengaged with the first tooth portion, andthe release pawl is engaged or disengaged with the second tooth portion, a push pawl is hinged to the push lever, and the push lever can drive the push pawl to be engaged with the second tooth portion. The bicycle gear shifter and the bicycle have the advantages of simple structure and reliable operation.

The invention discloses a construction method of an ecological seawall. The construction method comprises the following steps of 1) construction of an artificial coral reef layer, 2) construction of afirst transition layer, 3) construction of a salt marsh layer, 4) construction of a second transition layer, 5) construction of a mangrove planting layer, and 6) construction of a slope protection surface. According to the construction method of the ecological seawall, the stability and reliability of the ecological seawall can be improved, the habitat environment can be provided for aquatic animals, the diversity of ecological seawall organisms is improved, and direct scouring of seawater to the seawall is greatly reduced through first-level blocking of the seawater.

The invention discloses a spreading fixator for a renal transplantation operation. The spreading fixator comprises a baseboard, leg supporting plates, a first rotary shaft, a backup plate, a second rotary shaft, hydraulic bottom pillars, connecting rods, a telescopic plate, a connecting plate, a spreading plate, a third rotary shaft, a fourth rotary shaft and an adjusting rotary button. The spreading fixator has the advantages that the spreading plate is an arc panel made from a stainless steel material, the outer surface of the spreading plate is polished, the spreading plate has a smooth outer wall accordingly, and in this way, secondary harm to the spread parts can be avoided during spreading fixation; meanwhile, disinfection and cleaning are also facilitated, connecting rods are symmetrically arranged at the two sides of the baseboard, the bottoms of the connecting rods are slidably connected with the baseboard through grooves clamped in the two side edges of the baseboard so that corresponding positions of the connecting rods can be adjusted according to different positions which need to be spread, and then medical personnel can conveniently operate and use the spreading fixator.

The invention discloses a multifunctional electronic lock body, which comprises a clutch and a driver; the clutch comprises a box body, a plurality of pins and a rotating core; a through hole for a handle rotating shaft to penetrate is formed in the middle part of the rotating core; a rectangular groove is formed in each of two side walls of one end of each pin; a circumferential wall of the box body is provided with a plurality of supporting blocks separately matched with the pins; a small hole is formed in the middle part of each supporting block; the other end of each pin penetrates through the corresponding small hole and is arranged in the box body; the inner wall of each small hole is provided with flanges, and the inner wall of each flange is in contact with the bottom of the corresponding rectangular groove; a plurality of spacing holes coaxial with the pins are formed in the outer wall of the rotating core; one end of each of springs A is fixed to the upper end face of the corresponding flange, and the other end of each spring A is fixed to the inner wall of one end of the corresponding rectangular groove; one end of each of springs B is fixed to the lower end face of the corresponding flange; and the other end of each spring B is fixed to the inner wall of the other end of the corresponding rectangular groove. The multifunctional electronic lock body disclosed by the invention is capable of realizing electronic unlocking and mechanical unlocking simultaneously, is simple to operate when handling a mechanical emergency, and is convenient and practical.

The invention relates to a rotary pedal structure for a crew department of a fire engine, and belongs to the technical field of fire engines. The rotary pedal structure comprises a crew department, wherein the bottom of the crew department is provided with a crew department under carriage used for fixing a chassis of the fire engine, and one side of the crew department is pivoted with a crew department door. The rotary pedal structure of the crew department comprises a pedal body pivoted with the crew department under carriage and connected with the crew department door. When the crew department door is closed, the pedal body is unfolded into the bottom of the crew department; and when the crew department door is opened, the pedal body is unfolded out of the bottom of the crew department along with the crew department door. The rotary pedal structure has the advantages that the linkage of the crew department door and the pedal body is ensured, and the pedal body is in a hidden state to avoid damage when the fire engine runs; and the door opening action and the movement of the pedal body are combined into one, so that the valuable relief time of firefighters is saved.

The invention discloses an intelligent household interconnection control system which comprises a closestool, wherein a working space is formed in the closestool; a bent pipeline is arranged on the upper side of the working space; a circulating mechanism is arranged in the working space; the circulating mechanism comprises a spiral block; rotation of the spiral block can drive water in the bent pipeline to flow; and a temperature raising mechanism is arranged on the left side of the circulating mechanism. The intelligent household interconnection control system can detect the temperature of the closestool and automatically adjust the temperature of the closestool; if the temperature is too low, the closestool is heated sequentially in rounds, and uniform heating can be realized by matchingwith water circulation; if the temperature is too high, quantitative cold tap water is introduced one after another, so that the temperature adjustment is easy to control, the closestool can always be in a certain range of temperature, and the comfort of closestool users is ensured; and the whole device only uses one motor, so that the linkage of the whole device is realized, the structure is compact and simple, the linkage is high, and the overall transmission efficiency is high.

The invention provides a pressure alternating conduction type simple exoskeleton. The pressure alternating conduction type simple exoskeleton comprises a square framework, two conduction inclined rodsarranged in an X shape, connection short rods and stand columns; the two sides of the lower end of the square framework are connected with the upper ends of the two connection short rods correspondingly; the bottom ends of the two connection short rods are inclined outwards to be arranged; the lower ends of the connection short rods are connected with the upper ends of the stand columns; hubs arearranged at the lower ends of the stand columns; the upper ends of the two conduction inclined rods are connected with the two ends of an upper cross rod of the square framework correspondingly; thelower ends of the two conduction inclined rods are connected with the top ends of the two stand columns correspondingly; the joints between the connection short rods and the stand columns as well as between the conduction inclined rods and the stand columns are provided with artificial hip joints; each stand column comprises an upper stand column body, a lower stand column body and an artificial knee joint; and the two sides of the upper end of the square framework are each provided with a weight bearing shoulder rest. The pressure alternating conduction type simple exoskeleton does not have complex hydraulic and electric design, due to unique pressure alternating conduction mechanics configuration, the various functions of carrying on the back, carrying on the shoulder, lifting, holding,carrying on the shoulder with a carrying pole and the like can be achieved, and meanwhile the beneficial effects that the self weight is small, cost is low, operation is convenient, and application iswide are achieved.