84results about How to "Connectivity" patented technology

The invention relates to a light-weight six-shaft universal robot. A shaft seat is fixedly arranged on an arm shaft, a shaft seat protecting box is fixedly arranged on the shaft seat, a third-shaft driving motor, a fourth-shaft driving motor, a fifth-shaft driving motor and a sixth-shaft driving motor are arranged in the shaft seat protecting box, a small-arm rod casing and a small-arm lengthening rod casing are respectively and fixedly arranged at the front part and the back part of a small-arm speed reducer, a sixth shaft is inserted and sheathed in a fifth shaft, the fifth shaft is inserted and sheathed in a fourth shaft, the fourth shaft is inserted and sheathed into the small-arm rod casing, the small-arm speed reducer and the small-arm lengthening rod casing, a fourth-shaft driven gear, a fifth-shaft driven gear and a sixth-shaft driven gear are respectively and fixedly arranged on the fourth shaft, the fifth shaft and the sixth shaft, and the length of the small-arm rod casing is smaller than 100mm. The light-weight six-shaft universal robot has the advantages that the torque load required by the self weight is effectively reduced, the traditional balance cylinder device is not needed, the balance of a swinging arm during the work can also be met, and the machine structure is simplified. The effective protection effect on a motor is also realized through a tight protecting cover.

The invention provides a heating atomization electronic cigarette using capacitances to supply power, which comprises a power supply part, a cigarette body part and a hollow cigarette holder part, wherein the power supply part comprises an indicator light, a pair of electrode connection-pegs and a lead connection-peg, the indicator light is arranged at the back end of a power supply, and the electrode connection-pegs and the lead connection-peg are arranged at the front end of the power supply; the cigarette body part comprises a pair of electrode plug interfaces, a lead plug interface, a control circuit module, a heating atomization device, a liquid suction head and a nicotine reservoir, the electrode plug interfaces and the lead plug interface are arranged at the back end of a hollow cigarette stem, and the control circuit module, the heating atomization device, the liquid suction head and the nicotine reservoir are sequentially arranged in the hollow cavity of the hollow cigarette stem; a sponge body is arranged in the nicotine reservoir, and a liquid inlet is arranged on the wall of the nicotine reservoir; the two ends of the liquid suction head are respectively contacted and connected with the heating atomization device and the sponge body, and the power supply part and the cigarette body part can be separated or connected by the electrode connection-pegs, the lead connection-peg, the electrode plug interfaces and the lead plug interface in a plug-in way; and the front end of the cigarette body is in plug-in or threaded connection with the back end of the hollow cigarette holder, and the power supply, the indicator light, the control circuit module and the heating atomization device are sequentially and electrically connected.

The invention discloses a photocuring and thermocuring conductive adhesive, which is prepared by mixing photosensitive high polymer, diluent monomer, conducting particles, photoinitiator, polymerization inhibitor, epoxy resin, epoxy active diluting agent, latent curing agent and latent promoting agent, grinding the mixture, and stirring and dispersing in a planetary manner. The curing temperature of the product is low, and deep curing can be realized; after being cured, the adhesive has high adhesiveness and high solvent resistance; and the adhering strength is high, the resistivity is low, and the requirements of microelectronic packaging technique for LED chips, liquid crystal materials, glass substrates, thin film circuits, PCB circuit boards and the like can be met.

The invention belongs to the technical field of steel structure application, and particularly discloses a single-layer latticed shell steel structure roof system based on a concrete building and an assembling method of the single-layer latticed shell steel structure roof system based on the concrete building. The single-layer latticed shell steel structure roof system is formed by a cross-section-variable box type supporting assembly and a U-shaped top cover assembly. The single-layer latticed shell steel structure roof system based on the concrete building has the advantages that the structure is simple, and assembling is accurate, convenient and rapid; during installation, slant columns have the connecting effect and the supporting effect, and a rhombus structure composed of slant supports and intersected supports is stable and reliable in supporting; swing columns and circular supporting bases are connected with concrete for fixing supporting, and the bearing capacity of a supporting steel structure is improved; center-radiating type radial steel straining beams are adopted for a whole inwards-concave top cover steel structure, a tension-major single-layer latticed shell is formed, center rigid rings are arranged in the center of a top cover, convenience can be brought to connection of the radial steel straining beams and joint construction, and meanwhile trusses are adopted for arrangement so that the rigidity of the center rigid rings can be improved.

The invention discloses an internally-disposed-profile-steel steel pipe concrete frame low-yield-point steel plate shear wall structure which comprises steel pipe concrete side columns, steel cross beams and an internally-embedded steel plate. Profile steel is generally arranged inside the steel pipe concrete side columns, each vertical lateral side of the internally-embedded steel plate is connected with a fishtail plate, the fishtail plates penetrate the side walls of the steel pipe concrete side columns to be connected with the profile steel in a welded manner, and positions where the fishtail plate are intersected with the side walls of the steel pipe concrete side columns are in welded connection. The profile steel is throughly arranged along the height direction of each steel pipe concrete side column, the profile steel and the steel pipe concrete side columns are jointly stressed, the profile steel plays a role as a shear connector and also plays a role of improving vertical bearing capacity of the steel pipe concrete side columns, so that using efficiency of the profile steel is improved. Sectional size of the side columns can be substantially reduced while requirements of the bearing capacity of the steel pipe concrete side columns are met, dead weight of the structure is reduced, seismic ductility of the structure is improved, building using space is effectively increased, and the structure is especially suitable for high-rise and ultrahigh-rise building structures.

The invention provides asphalt with high-temperature stability. The asphalt comprises, by weight, 91-96 parts of matrix asphalt, 2-5 parts of SBS (styrene-butadiene-styrene) thermoplastic elastomers,1-2 parts of dispersing auxiliaries, 0.5-1.2 parts of cyclodextrin, 0.4-0.8 part of oxidation-reduction initiators and 0.1-0.3 part of graft catalysts. The dispersing auxiliaries comprise alkaline organic matters and ester organic matters. The asphalt has the advantages that the added cyclodextrin is used as a graft material/cross-linking agent, accordingly, the compatibility of SBS and the matrixasphalt can be improved, and the produced asphalt is excellent in high and low-temperature stability and aging resistance.

The invention provides a substrate-free pressure-sensitive acrylic thermal conductive adhesive. A thermal conductive agent is dispersed in a monomer solution, and the thermal conductive adhesive is formed by curing and cross-linking after in situ polymerization; the consumption ratio of the thermal conductive agent to the monomer is (1-4): (6-9); the thermal conductive agent consists of 75 to 90 percent of carbon fibers and 10 to 25 percent of carbon nano tubes; and the monomer is acrylic acid and/or acrylate. Because the thermal conductive agent of specific components is uniformly dispersed in the acrylic polymerization monomer to form a stable three-dimensional netlike thermal conductive structure, so that the thermal conductive adhesive is good in thermal conductive performance and good in environment friendliness. The thermal conductive adhesive can be applied between a light emitting diode (LED) light bar and an aluminum alloy profile, between the aluminum alloy profile and a back plate, between the LED light bar and the back plate or between a chip and a radiator, is used as a double-sided adhesive tape, and is used under the condition of a big gap between two contact faces of liquid crystal modules.

The invention relates to a surface erosion-resistant composite coating of a carbon/carbon composite, which sequentially consists of ZrC0.7/ZrC1.0/ZrC1.0+C form outside to inside. The preparation method of the surface erosion-resistant composite coating comprises the following three steps: the preparation of a basal layer ZrC1.0+C, the preparation of a middle layer ZrC1.0 and the preparation of an outer-coating layer ZrC0.7; and is characterized in that in a chemical vapor deposition furnace at normal pressure, zirconium tetrachloride is used as the zirconium source, Ar gas is used as the carrier gas, C3H6, acetylene and methane are respectively used as the carbon source gasses, Ar is used as the diluent, H2 is used as the reducing gas, and the surface erosion-resistant composite coating is obtained by deposition at the temperature of 1100-1300 DEG C. The invention has the advantages of simple process method, convenient operation, single heat, stepwise deposition preparation of the composite coating with gradient-changed carbon contents, firm combination between the coating and the basal body, no penetration crack and interlayer crack, and good coating erosion resistance and thermal shock resistance, can realize the industrialized production, and is applicable to the preparation of the erosion-resistant composite coating of the carbon/carbon composite by the chemical gas-phase permeation or the liquid-phase impregnation process.

The invention relates to a preparation method of foamed-aluminum sandwiched-structure materials and belongs to the technical field of aluminum brazing. The preparation method includes steps of mixing blazing filler metal with brazing flux into paste to apply on surfaces to be brazed of foamed aluminum and aluminum plates, assembling a to-be-brazed structure according to a mode of the aluminum plate/foamed aluminum/the aluminum plate, brazing in a furnace at the protective atmosphere to obtain the foamed-aluminum sandwiched-structure materials after totally drying. The brazing filler metal comprises, by mass percentage, 11-13% of Zn, 14-16% of Si, 0.8-1.2% of Fe, 0.1-0.3% of Mg, 0.2-0.4% of Mn and the balance of Al. The brazing flux comprises, by mass percentage, 40-50% of KF and 50-60% of AlF3. By adopting the novel brazing filler metal and the brazing flux and strictly controlling brazing temperature and time, the prepared foamed-aluminum sandwiched-structure materials have excellent performance. Complicated procedures in brazing are greatly reduced, operation efficiency is greatly improved, and cost is saved.

The invention discloses a drilling and grinding integrated machine for valve machining. The machine comprises a workbench, two electric cylinders and a propelling air cylinder, wherein a lifting mechanism is arranged in a lifting hole, a first cavity is formed in the workbench, a dust suction device is fixedly arranged in the first cavity, a set of propelling rails are transversely arranged on an adjusting plate, a drilling motor is slidably arranged on the propelling rails, a left rotating column and a right rotating column are sleeved with supporting rotating mechanisms correspondingly, the left end of a lower connecting rod is fixedly connected with a grinding mechanism, a first distance sensor is fixedly arranged on one side of a rack on a measuring ring, and a controller is fixedly arranged on the outer side of the workbench. According to the machine, a measuring motor drives the first distance sensor to rotate to detect the surface of one side of a valve, the size information of a flange on the side face of the valve is measured, the thickness of the flange on the side face of the valve is measured in cooperation with a second distance sensor, and the controller calculates the position distribution among drilled holes according to the size information of the side face of the valve and the required number of the drilled holes.

The invention discloses a high-speed rail pedestrian overbridge vibration reduction suspended ceiling device and a processing method thereof. The device comprises a suspended ceiling, a plurality of brackets, a plurality of springs and a plurality of dampers, wherein each bracket is connected to the inner side face of an overbridge floor board and the inner side face of an overbridge structure secondary beam respectively, the upper end of each spring and the upper end of each damper are connected to each bracket respectively, and the lower end of each spring and the lower end of each damper are connected to the suspended ceiling. The high-speed rail pedestrian overbridge vibration reduction suspended ceiling device and the processing method thereof can resolve the problem of high-speed rail pedestrian overbridge vibration caused by train wind, have the obvious vibration reduction effect, are not restrained by the span of a high-speed rail pedestrian overbridge, and achieve flexible arrangement.

The invention discloses a slope protection brick which comprises a brick body. The thickness of the brick body is ranged from 12cm to 16cm, a trapezoid groove is arranged on each side surface of the brick body, the plane overlooking shape of the brick body is trapezoid; and a cavity is arranged in the center of the brick body with any shape. The invention also discloses a method for constructing achannel slope by utilizing the slope protection brick, comprising the following steps: the slope is firstly leveled, then the slope protection brick is flatly built on the slope, a 8-shaped connecting groove is formed between two adjacent slope protection bricks, a fixed bolt is pressed into the connecting groove, the cavity in the center of the slope protection brick is taken as a planting area,and submerged plants or/and floating plants, emerged plants and hygrophytes are sequentially planted in the planting area from bottom to top along the channel slope. The channel slope, which is constructed by the slope protection bricks and the method, has high firmness, difficult sliding of the brick bodies, and can carry out water exchange and self purification. By planting vegetation at via holes, material exchange of a soil plant ecological system is ensured, the environment is beautified, and the ecological benefit is increased.

The invention discloses a lightgage steel joist composite wall body which comprises a joist and face plates on the two sides of the wall body. The joist comprises a ground horizontal joist, a top horizontal joist, a column joist and vertical joists. The vertical joists are evenly arranged between the face plates. Each vertical joist comprises two vertical steel plates and a plurality of horizontal steel plates evenly arranged between the vertical steel plates. Bridge cutoff cushion blocks are arranged between the vertical joists and the face plates. Cross-brace joists are arranged between the vertical joists. The cross-brace joists and the vertical joists are connected through angle brackets. Gaps of the vertical joists are large, concrete circulating can be well achieved, construction difficulty is lowered, and the construction schedule is accelerated. The invention further provides a construction method of the composite wall body. The method is suitable for transforming, expanding and rebuilding a civil building and is suitable for an inner partitioning wall and an outer partitioning wall, the construction procedure is standardized, construction speed is accelerated, so that building of the composite wall body is reasonable, and the building quality of the composite wall body is improved.

The invention discloses a punching device capable of being clamped automatically used for producing lithium batteries. The punching device comprises a loading box; a punching device body is fixedly connected with the rear side of the top of the loading box; and a worktable is arranged on the front side of the punching device body. According to the punching device capable of being clamped automatically used for producing the lithium batteries, by cooperative using of the loading box, the punching device body, the worktable, a supporting plate, an installing plate, a slide rail, a first sliding block, a fixing block, a first connecting rod, a second connecting rod, an opening, a sliding rod, a sliding sleeve, a positioning rod, a pressing block, a division plate, an air cylinder, a first gear plate, a fixing rod, a gear, a second gear plate and a supporting rod, the problem that workpieces to be machined cannot be automatically fixed and clamped during using of an existing punching device is solved; and the punching device capable of being clamped automatically used for producing the lithium batteries has the advantage of automatic clamping, and the fact that working efficiency of a user is reduced due to continuous hand supporting of the user is avoided.

The invention discloses a formaldehyde removal solid powder coating and a preparation method thereof. The method comprises the following steps: putting an organic component, an inorganic filler, a nanometer filler, a leveling agent, an antifoaming agent, a dispersant and a film forming assistant in a high speed mixer in proportion, mixing above materials for 8-10min, sending the obtained mixture to a screw extruder, carrying out melt extrusion through the screw extruder with the charging segment temperature of 30-40DEG C, the melting segment temperature of 85-110DEG C and the discharging segment temperature of 110-170DEG C, tabletting the obtained molten material through a tablet press until the thickness is 2-5mm, crushing the obtained tablets, sending the crushed material to a flour mill, grinding and grading the crushed material, separating out fine powder and foreign materials through a cyclone separator, separating a product by using a 50-100 mesh powder sieve, and slaking the product for 2-5d to obtain a finished product. The coating has the advantages of simple preparation, easy packaging and transportation, use convenience, high film hardness and scrubbing resistance.

The invention discloses prefabricated piles, a connecting structure of the prefabricated piles and a construction method of the connecting structure. The prefabricated piles include pile bodies and end head plates at the two ends, wherein a plurality of connecting cylinders are arranged in the end head plates in an embedded mode, and the two ends of a main rib penetrate through the connecting cylinders and extend outwards; the connecting cylinders are filled with colloids in a sealing mode, and the whole pile bodies have no metal materials; ribs and the pile bodies can be effectively preventedfrom being eroded by chloride ions in corrosive environments such as seawater; the connecting structure of the prefabricated piles comprises columnar connecting bodies tightly connected between the prefabricated piles, and sleeves are arranged on the columnar connecting bodies in a sleeving mode; and gaps between the sleeves and the side walls of the columnar connecting bodies and the connectingcylinders are all filled with the colloids, the connecting structure can be tightly connected between the two prefabricated piles, the connection is reliable, and the function of corrosion resistanceand high-strength connection can be realized. The construction method of the connecting structure comprises the steps that the columnar connecting bodies and the sleeves are installed, and the installation is convenient.

The invention belongs to the technical field of car trims, and particularly relates to a car foot mat cutting machine with an adjusting function. The car foot mat cutting machine comprises a workbench, a cutting device, a cutting transmission mechanism, a pull ring, fixed plates, a support, a connecting plate, a fixed roller, a shell, a fixed mechanism, a clamp block, an adjusting mechanism and astabilization mechanism. The cutting transmission mechanism comprises a portal frame, a first portal frame transmission motor, a first transmission lead screw, a first transmission nut, a first sliding block, a first guide rail, a second portal frame transmission motor, a second transmission lead screw, a second transmission nut, a second sliding block and a second guide rail. The cutting device comprises a tool apron, a tool apron guide rail, a tool apron sliding block, a tool apron transmission lead screw, a nut, a tool apron transmission motor, a tool holder lifting motor, a cutter holder lifting lead screw, a nut, a cutting tool holder, a cutting tool and a cutting tool transmission motor. Fixed plates are fixedly connected to the two sides of the top of the portal frame. The surface of a connecting rod is sleeved with the fixed roller. The fixed mechanism used in cooperation with the connecting rod is arranged at the bottom of an inner cavity of the shell.

The invention discloses a bolt sleeve of a wind power blade, a blade root embedded part and a production method of the wind power blade. The bolt sleeve of the wind power blade is embedded into a blade root of the wind power blade. The bolt sleeve comprises a first end and a second end; the external diameter of the bolt sleeve is gradually reduced from the second end to the first end; the bolt sleeve is provided with an inner hole; the inner hole penetrates through the first end of the bolt sleeve, and stretches along the axis of the bolt sleeve; the inner hole comprises a front section, a middle section and an inner section; and internal threads are formed in the middle section of the inner hole. By adopting mechanical connection instead of gluing connection, the stability of the interfacial strength of a common bolt sleeve is improved, the overall weight of the blade root is reduced and the blade cost can be reduced advantageously.

The invention discloses a rhombic steering suspension for a vehicle, comprising a tire, a spoke on the tire, a rolling external ring, a rolling internal ring, a bearing, a steering mechanism, a support rod and suspension arms. The rolling external ring is fixed on the spoke and disposed on the rolling internal ring through the bearing. The steering mechanism comprises a king pin, a king pin bush, a steering hydraulic cylinder, a king pin copper bush and a king pin small bush, the king pin bush is fixed on the middle part of the support rod and sleeves the king pin through the king pin copper bush, the king pin is arranged in the rolling internal ring along the radial direction of the bearing, and the lower end of the king pin is supported on the bearing, the upper ends of the king pin, the king pin bush and the king pin copper bush are supported on the bearing through the king pin small bush. One end of the steering hydraulic cylinder connects with the rolling internal ring, and the other end is hinged to the end of the support rod, two suspension arms are respectively hinged to the two ends of the support rod. The suspension employs a design having a small height size and capable of lowering the vehicle instrument panel, can quickly dismantle the tire, and is favourable to improve the operation stability and running safety of the vehicle.

The invention discloses a foldable table foot which comprises a table foot (1), a fixing plate(2), a folding supporting device connected between columns of the fixing plate (2) and the table foot (1); the supporting folding device comprises a U-shaped supporting frame (3), two supporting rods (4) and an elastic locking piece (16); the U-shaped supporting frame (3) and the fixing plate (2) are articulated; two supporting rods (4) are respectively articulated with the columns of the table foot (1) and with two sides of the U-shaped supporting frame (3); the supporting rods (4) at two sides of the articulating piece (14) are respectively provided with a folding location hole (10) and a supporting location hole (12); the elastic locking piece (16) is arranged on the U-shaped supporting frame (3); the elastic locking piece (16) matches with the folding location hole (10) while folded and matches with the supporting location hole (12) while opened. After applying the structure, the foldable table foot is characterized by simple and compact structure, convenient process, simple folding operation, safe and reliable use, elegant appearance, etc.

The invention discloses a DC fuse, which comprises a housing, an overload load, a short-circuit load and a first power connection plate are fixed to the inner wall of the housing. A fixed spring is fixed at the bottom of the housing; a second power connection plate is fixed at the upper end of the fixed spring; the upper end of the first power connection plate and the upper end of the second powerconnection plate jointly abut against a power connection rod; a capacitor and an overload electromagnet are fixed to the top of the housing; a connection spring is jointly fixed to the bottom of theoverload electromagnet and the upper end of the power connection rod; and a thermistor is fixed to the inner wall of the housing. The DC fuse has the advantages that when an external circuit is shortcircuited, current in a line is obviously increased, and the power connection rod still shifts and resets; and but due to the fact that the short circuit current is large, the magnetic force difference value of the forward electromagnet and the reverse electromagnet is obviously increased by multiple, the permanent magnet can move downwards under the magnetic force attraction effect and then is attracted to an interception plate, the external circuit is always kept disconnected, and secondary damage caused by secondary short circuit is avoided.

The invention discloses high-strength organic glass for internal induction scratch repair, belongs to the technical field of organic glass. The organic glass can realize the internal induction scratchrepair of the high-strength organic glass through a guide wear-resistant net covered on the outer surface and an internal tightening repair net embedded in the central position, and the strength of the organic glass is improved based on connection and cooperation of the inner sensing connecting rods, especially the tensile strength and the wear resistance are greatly improved, the outer surface of the organic glass is not prone to scratch; even if scratches occur, external air enters along the cracks after the scratches are sensed by the preset inner sensing connecting rods, and then based onthe triggering action of the inner sensing connecting rod and oxygen reaction heat release; on one hand, the self-releasing retraction joint is promoted to be decomposed to recover the elasticity ofthe inner tightening repair net, and on the other hand, repair particles are forced to melt and flow to cracks for repair, and in cooperation with the elastic pushing effect of the retraction elasticrod on the inner tightening repair net, so that the scratch repair effect can be effectively improved, and therefore, the service life of the organic glass is prolonged.

The invention discloses a mining intrinsically safe pan-tilt camera, which comprises a main machine body, a pan-tilt mechanism and a windscreen wiper mechanism; the windscreen wiper mechanism comprises a mounting seat, a brush arm and a rubber doctor blade, the mounting seat is arranged on the outer edge of the lower side of the mainboard shell, the brush arm is hinged to the mounting seat, the rubber doctor blade is arranged on the brush arm, and the outer side of the rubber doctor blade is in an arc shape matched with the side wall of the lens spherical shell; and an elastic component is arranged between the brush arm and the mounting seat, so that the rubber doctor blade is tightly pressed and attached to the side wall of the lens spherical shell, and when the holder mechanism rotates, the rubber doctor blade can scrape coal ash on the surface of the lens. The pan-tilt camera has the advantages that the pan-tilt lens part can be kept clean through the windscreen wiper mechanism, the pan-tilt mechanism and the mainboard shell are designed in a double-bearing mode, the spherical sealing cover in the pan-tilt mechanism is exquisite in structural design, the connection and transmission effects are achieved, meanwhile, the good sealing performance is achieved, and disassembly and maintenance are easy.

The invention discloses a cooling type LED display unit which comprises a mask. An inner rubber sealing layer is arranged on one side of the mask, an encapsulation layer is arranged on one side of the inner glue sealing layer, a support layer is arranged on one side of the encapsulation layer, an aluminum layer is arranged on one side of the support layer, and an outer glue sealing layer is arranged on the outer side of the aluminum layer. The aluminum layer formed by die stamping is molded in an injection manner with the molded bottom layer of the support layer through an injection mold, sealing, and heat conducting and connecting functions are achieved; strength of the display unit can be further strengthened, and inside heat can be conducted to the outside by contact of the display unit and a heating element of a PCBA (printed circuit board assembly) board through the aluminum layer, so that the display unit is less prone to damage, and service life of the display unit is prolonged.

The invention discloses an optical system structure for laser processing. The optical system structure for laser processing comprises a rack, wherein a laser, a beam expander assembly connected to theemergent end of the laser, a turning assembly connected to the emergent end of the beam expander assembly, a reflecting mechanism connected to the emergent end of the turning assembly and a galvanometer assembly connected to the emergent end of the reflecting mechanism are mounted on the rack, the laser and the beam expander assembly are connected through a hollow shading rod, the beam expander assembly and the turning assembly are connected through a hollow shading rod, the reflecting mechanism comprises a fixed end reflecting assembly and a movable end reflecting assembly connected below the fixed end reflecting assembly, and the fixed end reflecting assembly is mounted on the rack. The optical system structure for laser processing has the effect that the position of a light spot can berapidly adjusted, so that the light spot can move along the X axis, the Y axis and the Z axis.

The invention relates to the field of medical instruments, and particularly discloses a splint device for orthopedic fixation. The splint device comprises two rotating components and a plurality of pairs of clamping components; each rotating component comprises an upper splint and a lower splint, a first connecting rod is fixedly arranged in the middle of one end of each upper splint, a second connecting rod is fixedly arranged in the middle of one end of each lower splint, the first connecting rods and the second connecting rods are connected rotationally through rotating shafts, a first slotis formed in the other end of each of the upper splint and the lower splint, at least one first insertion hole is formed in the bottom of each first slot, and at least one first limiting ring is fixedly arranged on one lateral side of each of the upper splint and the lower splint. The splint device has the advantages that the splint device is novel in design, simple in structure, convenient and rapid to use and simple to operate; a rotational joints near a fracture position of a patient can be rotated freely through the rotating components, so that the patient can move limbs more conveniently; the length of the splints can be changed through splicing the clamping components, and accordingly, convenience in use is improved.

The invention provides a 0.4kV intelligent quick transfer box, comprising a transfer box body, an incoming cable insertion and removal device, an outgoing cable connecting device, a primary current transformer group and a secondary current transformer group, wherein the incoming cable insertion and removal device is connected with a main power incoming cable and a backup power incoming cable, theprimary current transformer group is connected to the incoming cable insertion and removal device and the outgoing cable connecting device, the secondary current transformer group is connected to theprimary current transformer group and the outgoing cable connecting device, the incoming cable insertion and removal device and the outgoing cable connecting device are respectively connected with a voltmeter, the primary current transformer group, the secondary current transformer group and the voltmeters are all connected with a data processor, and the data processor is connected with a display.The 0.4kV intelligent quick transfer box can reduce power outage time, is convenient in transfer, and has nuclear phase and load detection functions.

The invention relates to a ring rib pin tenon connection structure of concrete members with pin bolt connection used in combination with tenon connection. The ring rib pin tenon connection structure of the concrete members is characterized in that the ring rib pin tenon connection structure consists of pre-embedded ring ribs, reserved tenon grooves, reserved pin holes, pins and grouting slurry ofthe concrete members; connection ends of two concrete members connected to each other are provided, wherein one ends are the pre-embedded ring ribs, and the others are the reserved tenon grooves and pin holes; the pre-embedded ring ribs of one member or tenons pre-embedded with ring ribs are inserted into the tenon grooves of another member; the pins are then inserted into the reserved pin holes;bonding slurry is filled or injected into the gaps inside the tenon grooves and pin holes of the members; after the slurry solidifies, the slurry becomes grouting slurry, and the two concrete membersare connected together. A construction method of the ring rib pin tenon connection structure is also related to. The ring rib pin tenon connection structure and the construction method thereof have the advantages of not only reducing costs but also improving safety of the structure, facilitating construction and inspection, and having broad application prospects.

The invention discloses a threshold slope frame platform. The threshold slope frame platform comprises a first slope plane frame, a second slope plane frame and a connecting piece; the connecting piece comprises a cover plate and connecting plates; the cover plate is positioned above a threshold; the connecting plates are arranged on the two sides of the lower surface of the cover plate; connecting holes connected with the connecting plates are formed in the first slope plane frame and the second slope plane frame; the first slope plane frame and the second slope plane frame are placed on the two sides of the threshold; by inserting the connecting plates into the connecting holes, the first slope plane frame and the second slope plane frame are connected with each other, and the cover plate is enabled to cover the top of the threshold; the connecting piece has a connecting transition and protection effect; the mounting and detaching are convenient; the university is high; and the construction cost and the space usage can be reduced.

The invention discloses a self-resetting assembled pier column system with seismic mitigation and isolation functions. The self-resetting assembled pier column system comprises a prefabricated reinforced concrete pier column section, a seismic mitigation and isolation rubber support, epoxy resin glue, a shape memory alloy bar, a grouting sleeve, a bearing platform, a reserved notch, a water stop tape, a drainage groove and a high-strength bolt. A circle of shape memory alloy bars are added into a reinforcement cage when the prefabricated reinforced concrete pier column section 1 is prefabricated; the reserved notch is formed in the connecting position of the prefabricated reinforced concrete pier column section and the bearing platform, the seismic mitigation and isolation rubber support is arranged in the center of the reserved notch, and the seismic mitigation and isolation rubber support and a padstone reserved on the bearing platform are connected together in the modes of welding, bolting, cementing and the like. During assembly, an SMA bar is inserted into the grouting sleeve pre-embedded in a bearing platform, and the seismic reduction and isolation rubber support and the prefabricated reinforced concrete pier column section 1 are connected together through the epoxy glue, the high-strength bolt and the like. The system has the characteristic of integrating the functions of shock absorption, shock isolation, self-resetting and the like.