90results about How to "Reduce the carrying weight" patented technology

The invention relates to a wireless intelligent exercise heart rate monitoring earphone. The wireless intelligent exercise heart rate monitoring earphone comprises a motion state type detection unit 8, a heart rate data monitoring unit 10, a heart rate data processing unit 9, a motion track recognition unit 15, a buffer unit 11, a dual-mode Bluetooth communication unit 12 and an intelligent terminal 16, wherein the motion state type detection unit 8 and heart rate data monitoring unit 10 are connected with the heart rate data processing unit 9, the buffer unit 11 is connected with the heart rate data processing unit 9 which is connected with the dual-mode Bluetooth communication unit 12, and the motion track recognition unit 15 is connected with the dual-mode Bluetooth communication unit 12. The wireless intelligent exercise heart rate monitoring earphone is small in size and capable of storing music, working independently by getting rid of a cellphone and reducing the weight carried by a sporter; real-time detection can be achieved, heart rate data under the motion state are measured rapidly, the accuracy of detection is high, and the function of voice prompting is achieved; call making or call receiving can be achieved through dual-mode Bluetooth, motion data is displayed and analyzed, and a motion suggestion is provided for a user.

The invention relates to a novel split-type tablet personal computer. The split-type tablet personal computer is characterized in that a tablet personal computer is of a split structure and is divided into a host and a hand-held terminal. According to the novel split-type tablet personal computer, because the host is separated from the hand-held terminal, the hand-held terminal can use a soft touch / display screen stably.

The invention discloses a pneumatically controlled thin-film solar panel and a storage method thereof. The panel comprises a plurality of sets of thin-film solar panel units. Branch air pipes are arranged on the two sides of each set of the thin-film solar panel units correspondingly. The multiple sets of the thin-film solar panel units are connected into a whole through a plurality of sets of connecting bands. A main air pipe is further arranged at one end of the multiple sets of the thin-film solar panel units, and is connected with and communicates with the branch air pipes on the two sides of all the sets of the thin-film solar panel units. An air inlet electromagnetic valve is further arranged on the lower portion of the middle of the main air pipe. A plurality of air exhaust electromagnetic valves are arranged on the upper portions and the lower portions of the branch air pipes on the two sides of the multiple sets of the thin-film solar panel units correspondingly. The thin-film solar panel is simple and reliable in structure and convenient to store, the unfolded area of the solar panel is larger than that of a traditional panel, and left-right rotational adjustment can be achieved while front-back obliquely-angular adjustment can be achieved through pneumatic control.

The invention discloses a gasoline power sprayer. The gasoline power sprayer mainly comprises a gasoline engine, a water pump, a spray tank, a spray gun, a lift motor, a lift fan, spray heads and a support. The gasoline engine outputs mechanical energy to drive the water pump and outputs electric energy to drive the motor. The fan surface of the lift fan is basically parallel to the ground, lift is provided, and the operating weight of operators is reduced. In the operating process, the operators do not need to carry the gasoline engine and the spray tank, and can conduct operation by holding the support with hands and adjusting the direction of the spray gun, and pesticide and power transmission distances are not limited. The operators do not need to carry a large number of heavy objects, and carrying weight is greatly reduced. Through the installed lift motor, operation loads on the operators are further relieved. The operators only need to transport an operating frame to the designated position. Due to the arrangement of the spray heads, operation efficiency is improved. In the mass, the technical problems mentioned in the background technology are solved, the technical requirements mentioned in the background technology are met, and the gasoline power sprayer has the advantages of being low in operation strength, high in efficiency and the like.

The invention relates to a continuous controllable dry mixed mortar stirring station, which comprises a sand preparation unit, a sand supply unit I, a sand supply unit II, a powder supply unit, a sand conveying unit, an admixture supply unit, a stirring unit and a finished product supply unit, wherein each unit is controlled by adopting an intelligent control system with a field bus and matched with the intelligent control system by adopting an impact flow balance. Compared with the prior art, the stirring station has the advantages that: the production cost of dry mixed mortar is continuous,the weight of equipment is reduced, the manufacturing cost is reduced, the volume of the equipment is simplified, the floor area and the waste of driving electrical energy are reduced, the stirring burden and the mixing and stirring time are reduced, the energy consumption is reduced, the production efficiency of the product is improved, and the stirring station is energy-saving and environment-friendly.

The invention relates to an underwater guide capture device of a remote-operated vehicle, characterized by comprising a platform, wherein the platform is provided, at the front part thereof, with at least one guide positioning block for guiding and positioning the remote-operated vehicle on the platform, and also provided, at the rear part and two sides thereof, with capture locking mechanisms for locking the remote-operated vehicle on the platform. The device has the advantages of compact structure, light weight, simple and convenient operation, reducing floor occupancy of the underwater mobile platform and simultaneously reducing the carrying weight of the underwater mobile platform.

The invention discloses a multilevel recycling treatment device for river sludge. The device includes a river dredging hull, two first-level sludge recycling tanks, a second-level sludge dewatering device and an adsorption mechanism. The top of the river dredging hull is fixedly provided with the first-level sludge recycling tanks. The two first-level sludge recycling tanks are symmetrically arranged on the two sides of the top of the river dredging hull, the portion, between the two first-level sludge recycling tanks, of the river dredging hull is provided with the second-level sludge dewatering device, the tops of the two first-level sludge recycling tanks are fixedly provided with sewage suction pumps. The device has a simple and reasonable structure, the ecological environment of a river channel is effectively improved, river sludge recycling treatment and control are achieved, multilevel sludge dewatering and recycling are achieved, the load of the river dredging hull is reduced,mechanical dewatering is not required, the energy consumption and cost of the sludge recycling treatment are reduced, and filtration, adsorption and purification are carried out during dewatering so as to improve the river water quality.

This invention is about a repeated pedaling assistant bicycle. It includes the frame, the braking mechanism, the back driving wheel, the back wheel bearing, the tyres, the pedals which is fastened to the pedaling handles, the fan-like forward meshing wheel which meshes the gearing one-way flywheels. On each side of the frame, there a pedaling handle and pedals, the fan-like forward meshing wheel and the one-way flywheel among which the pedal is fixed on the front of the handle and the fan-like forward meshing wheel on the back, in the part between them are some pinning holes, in the frame are some handle pins. Through the pinning holes and the pins, the handles can be knuckled on the frame. The fan-like forward meshing wheel is structured with inward gearing hoops or roller chain section of intrados, the outside circle of the one-way flywheel are gear wheel or chain wheel, the pedaling handles are jointed with the top surface or the outside circle surface of the fan-like forward meshing wheel, and on the edge of the pedals are some edge hooks. This invention is simple and feasible with a light structure, and it works efficiently and rides comfortably with a character of anti-shocking and anti-tire-bursting.

The invention discloses a method for reducing loss caused by accidental fall of an unmanned aerial vehicle. The method includes the steps that 1, a buffering and shock absorbing system is installed onthe lower surface of a lower horizontal plate of the unmanned aerial vehicle; 2, an air floatation deceleration balance adjusting system is installed on the upper surface of an upper horizontal plateof the unmanned aerial vehicle; 3, a remote controller is operated on ground, and the unmanned aerial vehicle takes off to perform normal flight operation at high altitude; 4, when control losing ofthe unmanned aerial vehicle is generated because of wrong operation of an operator or a failure, and the unmanned aerial vehicle falls off directly from the high altitude, the buffering and shock absorbing system and the air floatation deceleration balance adjusting system are started. In the method, design is novel, the structure is reasonable, and cost is low; additional installation on the existing unmanned aerial vehicle is allowed to provide a safety guarantee for the unmanned aerial vehicle, safe reliability is high, the economic loss of a user of the unmanned aerial vehicle is reduced to the maximum degree, and the safety of persons and objects, smashed by falling, on the ground is also protected.

The invention relates to underground tunnel construction equipment which comprises a first operation arm (1) and a second operation arm (2), wherein an anchor rod pushing device (3) which is used for pushing an anchor rod (5) to move is arranged on the first operation arm (1), an anchor rod storage device (4) which is used for storing the anchor rod (5) is arranged on the second operation arm (2), the first operation arm (1) and / or the second operation arm (2) are / is of extension type, and the anchor rod pushing device and the anchor rod in the anchor rod storage device are mutually close by the extension of the first operation arm and / or the second operation arm after the anchor rod pushing device (3) completes anchor rod pushing. The anchor rod pushing device and the anchor rod storage device are mounted in different positions respectively, the problem that the size and the bearing load of the disc type anchor rod storage device are increased due to that fact that the anchor rod is attached to a pushing beam can be solved, the operation arms are of extension type, and the problem that the anchor rod is difficult to continue due to the fact that a horizontal directional drill is inconvenient to return to a main machine can also be solved.

The invention discloses a rapid steel-rail repairing device and a rapid steel-rail repairing method. The rapid steel-rail repairing device is mounted on two sides of the breakage of a steel rail and used for rapidly repairing the steel rail; the rapid steel-rail repairing device comprises at least one group of two clamping plates and at least one rapid fixing unit; the clamping plates are made from non-conducting materials; each rapid fixing unit comprises rail lockers or elastic clamps. The clamping plates made from the polyurethane composite materials are parallelly arranged on rail waists of two sides of the breakage of the steel rail, carrying weight of the rapid repairing device used for repairing the steel rail temporarily is greatly reduced, and weight bearing of work maintenance personnel in routine patrol of the rail is lowered; by the adoption of the rapid fixing unit formed by the rail lockers or the elastic clamps, the clamping plates are fixed on the rail waists of the two sides of the breakage of the steel rail, and rapidness and convenience in mounting are achieved; in addition, electrical insulating property of the clamping plates ensures correction reaction of a rail circuit on real-time detection of the breakage of the steel rail; meanwhile, corrosion resistance of the clamping plates is also increased by the aid of the polyurethane composite materials, and traffic safety in increased.

The invention discloses a back-carried type wire barrow which comprises a triangular reinforced steel bar support, two bearing blocks, two rolling shafts, two bearings, a wire winding roll, a connecting shaft, two strap hanging rings and a handle rotating mechanism. The two bearing blocks are respectively mounted at two ends of the upper portion of the support. The rolling shafts are mounted on the bearing blocks through the bearings and the ends of the rolling shafts are locked through nuts. The connecting shaft is a hollow tube. Two ends of the connecting shaft are respectively welded with the two rolling shafts to form an integral rotary shaft. The wire winding roll is a hollow plastic wire winding roll with large plates at two ends. The wire winding roll is fixedly mounted on the integral rotary shaft and rotates along with the same. The two strap hanging rings are respectively connected to two ends of the support. The back-carried type wire barrow is lightweight, good in application effect, simple to manufacture and low in manufacturing cost, and the problems that the existing back-carried type wire barrows are heavy to carry and not suitable for long-term back-carrying use.

The invention provides a false twist texturing fancy yarn machine. The false twist texturing fancy yarn machine comprises a false twist texturing device used for false twist texturing of original yarn and a fancy yarn device used for producing covered yarn. Covering yarn obtained after the original yarn is subjected to false twist texturing conducted through the false twist texturing device enters the fancy yarn device to be used for processing the covered yarn. The fancy yarn device comprises a suspension body used for supporting a core yarn reel and a suspension supporting body used for controlling the spatial position of the suspension body. The fancy yarn device further comprises a rotation component which rotates relative to the suspension supporting body, and the rotation component drives the covering yarn to rotate to wrap core yarn. The false twist texturing fancy yarn machine organically combines an existing false twist texturing device with the fancy yarn device and effectively solves the problem that the false twisting procedure and the cladding procedure are carried out respectively when the covered yarn is produced and consequently processing efficiency is low. According to the processing method, when fancy yarn is produced, the false twisting procedure and the cladding procedure can be conducted synchronously, non-joint continuous production can be achieved, and the quality of the covered yarn can be better improved.

The invention discloses a triple linkage door and a shower room door, and relates to the technical field of linkage doors. A track assembly of the triple linkage door includes a first guide rail and asecond guide rail, the first guide rail is provided with a first track, and the second guide rail is provided with a second track and a third track. A door assembly includes a first door body, a second door body and a third door body. Two ends of the first door body are respectively a first sliding end and a first guiding end, one end of the second door body is a second sliding end, and two endsof the third door body are respectively a third sliding end and a third guiding end. The second sliding end is in sliding connection to the first track, the first sliding end is in sliding connectionto the second track, and the third sliding end is in sliding connection to the third track. A sliding assembly includes a linkage mechanism, and the linkage mechanism is adjacent to the first guide rail and is respectively connected to the second sliding end, the first guiding end and the third guiding end. The triple linkage door and the shower room door have the advantages of being uniform in weight distribution, uniform in upper and lower volume and convenient to install due to the fact that the guide rails are not easily deformed.

The invention discloses microalgae continuous reaping apparatus and method and belongs to the technical field of microalgae reaping. The apparatus includes a microalgae culture box, wherein an oxygenrecovery device is arranged on the left end of the top of the microalgae culture box and a culture solution supply box is arranged on the right end of the top of the same. A submarine light is disposed on the left wall of the inner chamber of the microalgae culture box. An aeration device is disposed on the bottom of the inner chamber of the microalgae culture box. A microalgae reaping pipe is arranged on the outer wall of the right side of the microalgae culture box. The other end of the microalgae reaping pipe is disposed on the top of the inner chamber of the microalgae culture box. A culture liquid recovery pipe is disposed on the left end of the bottom of the microalgae culture box. The apparatus can deliver the culture solution to the microalgae culture box through a spray disk so that the culture solution can be sprayed uniformly. By means of the aeration apparatus on the bottom of the microalgae culture box, CO2 can be supplied to the microalgae culture box and separation of dissolved oxygen from the culture solution is promoted. There are two groups of filter screens in the inner chamber of a microalgae filter box, so that purity of the reaped microalgae is increased.

The invention relates to a bicycle of the ambulation style. It contains the frame of the bicycle, the braking mechanism, the back annulus for driving, the back-annulus axes, the tyre, the footplate is fixed on the stepping handle, the fan-shaped main gear wheel and the unilateralism flywheel with the gear wheel. The left and right sides of the frame of the bicycle sets up a stepping handle and its footplate, the gear wheel and the unilateralism flywheel. The footplate is fixed in the front of the stepping handle and the gear wheel is fixed in the back of the stepping handle. The handle body between two ends of the stepping handle has the pinhole and the handle pin connects on the frame of the bicycle and hinge-joints on the frame of the bicycle by the pinhole and the handle pin. The outer circle of the unilateralism flywheel is the gear or the chain wheel. The footplate connects on the gear wheel. On the one side of the footplate are set up with the side-hamulus. The invention is easy and applied. It has the deft organization, the high efficiency transmission, the comfortable riding, the quakeproof and the defending bursting-tyre.

The invention discloses a novel hoop, and belongs to the technical field of iron accessories. The novel hoop is used for solving the problems that an existing hoop is arc or square, a constructor needs to prepare two kinds of different hoops for use in the actual using process, the cost is increased, and on-site use is not facilitated. The novel hoop comprises an upper half hoop, a lower half hoop, an upper half insert and a lower half insert, and the upper half hoop and the lower half hoop each comprise installing lugs and a hoop body with a U-shaped cross section, wherein the installing lugsare symmetrically arranged on the two sides of the opening of the hoop body; a plurality of clamping grooves are symmetrically formed in the two sides of the inner wall of each hoop body, the installing lugs of the upper half hoop and the lower half hoop are provided with corresponding bolt holes, and the upper half hoop and the lower half hoop are movably connected through bolts arranged in thecorresponding bolt holes; and cross sections of the upper half insert and the lower half insert are arch, clamping blocks are symmetrically arranged on the two sides of the upper half insert and the lower half insert, the upper half insert and the upper half hoop are movably connected through the corresponding clamping blocks and the corresponding clamping grooves, and the lower half insert and the lower half hoop are movably connected through the corresponding clamping blocks and the corresponding clamping grooves.

The invention relates to the field of agricultural plant protection machinery, and discloses a split type pesticide sprayer. The split type pesticide sprayer comprises a spraying device and a pesticide supply device, and the spraying device and the pesticide supply device are separately arranged; the spraying device comprises an aerocraft and a spraying mechanism arranged on the aerocraft; the pesticide supply device comprises a liquid storage tank and a pump; the liquid storage tank is connected with the spraying mechanism through a pesticide delivery hose, and the pump is used for transmitting pesticide liquid in the liquid storage tank to the spraying mechanism. The spraying device and the pesticide supply device are arranged as a split structure in the split type pesticide sprayer, and the spraying device and the pesticide supply device are connected through the pesticide delivery hose when in use. When spraying pesticide, the aerocraft does not need to carry liquid storage tank with large weight, the liquid storage tank can be put on the ground, not only the continuous adding of pesticide liquid is convenient, butalso the carrying weight of the aerocraft is reduced dramatically, and thus the endurance of the aerocraft is improved, pesticide spraying time is prolonged, and pesticide spraying efficiency is improved. The split type pesticide sprayer can be stored separately, occupation space is small, transportation is convenient, and maintenance is easy.

The invention discloses a multifunctional stationery box for primary school students, which comprises an upper box body and a lower box body, the upper box body is connected to the lower box body through hinge rotation, and the inner sides of the upper box body and the lower box body are equipped with shock absorbers layer, the top of the upper box is fixed with a solar panel, the inner side of the upper box is fixed with an electronic clock, the lower box is equipped with a support plate, and one side of the support plate is fixed with several baffles A, baffle B, the other side of the support plate is movable with a cutlery box, one side of the cutlery box is fixed with a handle, the outer side of the cutlery box is provided with a heat insulation layer, and the inner side of the bottom of the lower box body is provided with A storage battery, a miniature personal positioning tracker is provided on one side of the electronic clock, a switch is provided on one side of the miniature personal positioning tracker, an ultraviolet lamp is fixed in the cutlery box, and the stationery box is added by setting the cutlery box and the ultraviolet lamp Functionality, reduce carrying weight, sterilize tableware, protect the health of primary school students.

The invention discloses an access control device and a use method thereof, an unlocking component and a management method of the unlocking component, and relates to the access control device field. The access control device includes a locking component and the unlocking component; the locking component and the unlocking component are provided with corresponding general interfaces; the unlocking component includes an information storage module and an identity recognition module; the locking component includes a permission storage module, a matching module and an unlocking module. According to the access control device and the use method thereof, the unlocking component and the management method of the unlocking component, one unlocking component can be used for managing multiple locking components, burden of a user carrying keys is alleviated, the time for searching a corresponding key from a plurality of keys is shortened, and the user experience is greatly improved.

The invention relates to a method for quickly tightening and dismounting a bolt nut and an adjustable wrench achieving the same. The method for quickly tightening and dismounting the bolt nut comprises the following steps of clamping and holding symmetrical side ridges of the bolt nut through two V-shaped grooves and then turning the clamped bolt nut. The adjustable wrench achieving the method comprises a fixed jaw clamp and a movable jaw clamp, wherein the inner sides of two jaw opening faces are provided with the V-shaped grooves, and the size of a clamp opening formed by the two jaw clamp is adjusted through the movable jaw clamp linked by an adjusting screw rod in an accommodating groove. By adopting the method for quickly tightening and dismounting the bolt nut and the adjustable wrench, the clamped bolt nut does not easily slip, stressed nut corners are not easily abraded to be rounded corners, and accordingly deformation and damage are not caused. The bolt nut tightening and dismounting efficiency is improved by continuously turning the wrench. The flexible characteristic of continuous adjustment of the opening of the adjustable wrench is kept, the adjustable wrench can take the place of a double offset ring spanner and an open end wrench under the condition that a surrounding space of the bolt nut is allowable, and the number, the weight and the procurement cost of tools required to be carried are reduced remarkably.

The invention discloses a fancy yarn device. The fancy yarn device comprises a support component, a winding mechanism, a core yarn drum, a covering yarn drum, a suspension body, a suspension body support body for controlling the spatial position of the suspension body, and a rotating component, wherein a mounting frame and the core yarn drum are arranged on the suspension body; the rotating component is arranged on the support component. The core yarn drum is suspended through the suspension body, so that a space is formed around the core yarn drum to wrap core yarns with covering yarns, and the rotating component only needs to drive a single covering yarn to rotate during covering, so that the whole covering yarn drum does not need to be driven. By adopting the way, the load capacity of the rotating component is low, so that high-speed rotation can be realized conveniently, and the working efficiency is increased.

The invention discloses a solar umbrella. The solar umbrella comprises an umbrella cover body, a solar panel, a fan and an umbrella rod, and further comprises a photographing device and a control device, wherein the umbrella cover body is of a dual-layer inflating structure, the solar panel is arranged on the top face of the umbrella cover body, the umbrella rod is a sealed hollow rod, the fan comprises two blades which are rotatably arranged on the umbrella rod, the photographing device comprises a photographing plug wire, a mobile phone clamping shelf and an LED light supplementing lamp band, the control device comprises a controller, a power source, a pumping device, a light supplementing button, an umbrella cover inflating button, a fan button and a photographing button, the umbrella cover body is of a dual-layer inflation structure, the motions of opening and supporting the umbrella cover body, and rotating the fan are all completed through the pumping device, a metal framework ofa common umbrella is omitted, the carrying weight is reduced, the structure is portable and economical, and the material cost is saved; the solar panel is arranged on the top face of the umbrella cover body, solar energy is adopted by the whole device, the energy is saved, and the pollution is reduced; in the whole process, elements are controlled by the controller, and the solar umbrella is simple in structure and convenient to operate.

The invention relates to a portable clothes hanger and a portable dryer. The portable clothes hanger comprises an umbrella rib assembly at the top, a cloth shade support rod assembly in the middle, a base assembly at the bottom and a detachable heater, wherein all assemblies are connected by four to five retractable intermediate rods; an umbrella hat assembly comprises four two-fold umbrella ribs, four foldable hangers, connecting rods of the hangers, fixed umbrella slots of the hangers and slidable umbrella slots of the hangers; the connecting rods and the intermediate rods share eight chambers of the fixed umbrella slots crosswise; the umbrella ribs are mounted in upper slot chambers of the slidable umbrella slots; the foldable hangers are mounted in lower slot chambers of the slidable umbrella slots; the cloth shade support rod assembly comprises two groups of parallel quadrangle connecting rods in series to guarantee the uniqueness of folding and unfolding; the base assembly comprises a telescopic waterproof cover, inner and outer cloth shade brackets, a foot stool and a ventilation base; the foot stool and the cloth shade brackets can be folded at the periphery of a base; the detachable heater is connected with a base vent via a bayonet. Through matching of the connecting rods and the slidable umbrella slots, the dryer can be folded and contained in a minimum volume and is convenient to carry on a trip.

The invention relates to a reconnaissance / attack integrated unmanned aerial vehicle flight control system multi-serial-port router, which comprises a unified power supply module, a core processor, an SPI-to-four-serial-port communication chip, TTL-to-232 signal level conversion chips and TTL-to-422 signal level conversion chips. Communication level types of SPI-to-four-serial-port four child serial ports are selected according to level types of external transmission signals, and the TTL-to-232 signal level conversion chips or the TTL-to-422 signal level conversion chips are selected and welded according to the types; three child serial ports of the core processor serve as one TTL level serial port backup serial port and two 232 communication level backup serial ports; and the core processor receives information transmitted by peripheral equipment through one or more series ports serving as a receiving end, and carries out integration on the information and sends the integrated information to one or more series ports serving as a sending end, which transmits the information to other peripheral equipment, thereby realizing a one-to-many, and many-to-one communication transmission mechanism. The router can serve as a transmission center for communication between devices on unmanned aerial vehicles or ground.

The invention relates to an intelligent transportation system, in particular to an intelligent zebra crossing system for the blind, comprising a main control module, a pressure sensor module, a human body sensing module, a decibel detection module, a voice broadcast module, and a zebra crossing traffic module respectively connected with the main control module. Signal lights and rotary lifting blind zebra crossings; the rotary lifting blind zebra crossings include a casing, a rotating part arranged in the casing, a transmission part connected to the rotating part and a deceleration motor part, and the rotating part is connected with the casing shaft. The various parts of the invention cooperate with each other through the main control module, can detect the position of the blind, remind and control the green light time in real time, and complete the lifting and lowering of the zebra crossing through the rotary lifting and lowering of the blind zebra crossing, shorten the lifting time, reduce the bearing weight of the bearing, and reduce the cost. Has broad application prospects.

The invention provides a split portable multipurpose firewood stove. The existing firewood stove is heavy in weight and large in size, the fuel is not easy to carry, the combustion controllability ispoor, the fuel needs to be frequently added, and the operation is complex. The detachable furnace body comprises two forming sheets, and a cylindrical furnace body is defined between the two forming sheets, an upper furnace tray and an lower furnace tray are detachably connected to the top end and the bottom end of the detachable furnace body respectively, an upper grate and an lower grate are detachably connected to the interior of the detachable furnace body, the interior of the detachable furnace body is sequentially isolated from top to bottom through the upper grate and the lower grate toform an upper hearth, a lower hearth and an ash falling chamber, the outer wall of the detachable furnace body is detachably connected with a steering cylinder, the exhaust chimney is communicated with the upper hearth of the detachable furnace body through the steering cylinder, an opening communicated with the upper hearth is machined in the outer wall of the detachable furnace body, a furnacedoor is hinged to the opening, and the outer wall of the detachable furnace body is provided with an ash outlet communicated with the ash falling chamber. The split portable multipurpose firewood stove is used outdoors.

The invention provides a portable foldable pet cage. The portable foldable pet cage comprises a chassis, first side plates, a second side plate, a door plate and a top plate, wherein a plurality of first side plates are provided; the first side plates are symmetrically hinged to the edges of the left side and the right side of the chassis. Through hinging of a pair of first side plates, one secondside plate and one door plate to the edges of the four sides of the chassis respectively and hinging of the top plate to the edge of one side, away from the chassis, of the second side plate, the topplate is detachably connected to the first side plates and the door plate to form a cage body which can be detached at any time, so that when the pet cage is used by people, the pet cage is convenient to assemble, and when the pet cage is not used, the pet cage is convenient to detach and fold for storage; the chassis, the first side plates, the second side plate, the top plate and the door plateare all made of a lightweight material, so that the carrying weight of the whole pet cage is greatly reduced and the pet cage is also convenient for people with small physical strength to assemble.

The invention provides a pulsed eddy-current sensor for wall thickness detection. The pulsed eddy-current sensor comprises a box and a box cover, and the box cover is provided with a four-core aviation plug and a two-core aviation plug; an annular thin wall and a receiving coil fixing column are arranged in the box. According to the pulsed eddy-current sensor for wall thickness detection, a receiving coil can be replaced, the condition that when a technician works, traditional sensors with the different specifications need to be carried is avoided, and therefore the labor intensity is reduced; in addition, by arranging unified transmitting coils, the sensor can be fixedly connected with a convenient tool, the technician only needs to open the box cover to replace with receiving coil when the sensor is used, and therefore the fixing time is shortened; the equipment is reasonable in design, easy and convenient to operate and capable of greatly saving the working time.