122results about How to "Avoid falling apart" patented technology

The invention relates to an assembly clamper for sandwich structure board lateral compression test. In the prior art, when the large-size and non-symmetrical sandwich board is subjected to the lateral compression performance test, the centering of the compression center is difficult, and the deflection is high. A purpose of the present invention is to solve the problems in the prior art. According to the assembly clamper, an upper clamping head and a lower clamping head are arranged in an upper-lower manner, the deep groove of the upper clamping head and the U-shaped groove of the lower clamping head are oppositely arranged, four vertical position limiting plates are arranged between the upper clamping head and the lower clamping head in a rectangular manner, the upper ends of each vertical position limiting plate are positioned inside the deep groove, the lower ends of each vertical position limiting plate are positioned inside the U-shaped groove, the upper ends between the two transverse and parallel vertical position limiting plates are provided with a universal pad block and an adjustment pad block, the lower ends between the two transverse and parallel vertical position limiting plates are provided with a universal pad block and an adjustment pad block, the two universal pad blocks are oppositely arranged in an upper-lower manner, the two adjustment pad blocks are oppositely arranged in an upper-lower manner, two end plates are respectively arranged on the upper end and the lower end of the upper clamping head and the lower clamping head, and the upper cone column on the upper clamping head and the lower cone column on the lower clamping head are respectively embedded into the corresponding V-shaped grooves. The assembly clamper of the present invention is used for the sandwich structure board lateral compression test.

The invention discloses an aluminum furniture board. The types comprise an aluminum furniture unit board, an aluminum furniture unit color board, an aluminum furniture board and an aluminum furniture color board. The aluminum furniture unit board is characterized in that more than two core strip profiles integrally share the same surface and are orderly spliced from the left to the right in order; and the splicing mode is left-right clasp joint. The aluminum furniture unit color board is made by covering the aluminum furniture unit board with a film. The aluminum furniture board is the aluminum furniture unit board with a left sealing head and a right sealing head on side edges. The aluminum furniture color board is made by covering the surface of the aluminum furniture board with a film. The aluminum furniture board has following beneficial effects: the traditional transverse or longitudinal insertion is abandoned; after splicing joint, transverse broken material is utilized for close placement; the structure capable of preventing core strip profiles from falling apart is adopted; instead, two adjacent core strip profiles are in clasp joint; it is difficult for core strip profiles to get loose; all end surfaces of the profiles may naturally function as support ribs such that combined profiles can bear normal pressure; an aligned plate surface is thus created such that the aluminum furniture color board is made by film covering; and the invention can be used as the aluminum furniture board.

The invention discloses a prefabricated high-strength concrete pier as well as a forming mold and a manufacturing method of the prefabricated high-strength concrete pier. The pier comprises a pier body, steel framework cages and a hoisting hole; the outer contour shape of the cross section of the pier body is formed by combination of more than four straight sections and more than four circular arcsections; all circular arc sections are positioned at the same circumference; the outer surface of the bottom end of the pier body is provided with a concave-convex groove section; the hoisting holeis annularly arranged along the circumference of the pier body and penetrates through the pier body; two or more than two steel framework cage layers are arranged inside the pier body; the outermost steel framework cage layer is heteromorphic; a main reinforcement of the outermost steel framework cage layer is arranged at the inner side of a hooping reinforcement; the head end of the main reinforcement is provided with screw threads; the tail end of the main reinforcement is provided with a sleeve with an internal thread; the rest steel framework cage layers are circular, each main reinforcement thereof is arranged at the outer side of the corresponding hooping reinforcement, and the head end and the tail end of each main reinforcement are each provided with one sleeve with the internal thread; and the two adjacent steel framework cage layers are connected by a connecting part. The prefabricated concrete pier disclosed by the invention has the advantages of excellent mechanical properties, high concrete strength grade, simple and convenient production process, and so on.

The invention discloses a magic cube. The magic cube includes square surfaces and connection parts, the six square surfaces constitute a regular hexahedron structure, and the connection parts are fixed to the square surfaces and used for being connected with a first cooperation part and a second cooperation part. The invention further discloses an automatic recovery device which includes a liftingplatform, a protective box body, a lifting mechanism, recovery mechanisms, a height adjustment mechanism and a magic cube body. A sealed inner cavity is formed in the protective box body, a taking and placing opening used for being penetrated by the magic cube body is formed in the protective box body and communicated with the inner cavity, the lifting platform is used for bearing the magic cube,the lifting platform is positioned below the taking and placing opening, and the recovery mechanisms are mounted in the inner cavity and fixed to the periphery of the lifting platform. The height adjusting mechanism is mounted in the inner cavity, the lifting mechanism and the height adjusting mechanism are connected with the lifting platform separately, and the height adjusting mechanism is usedfor making the recovery mechanisms adapt to the square surfaces at different altitudes. The magic cube can be automatically and effectively recovered, the structure is simple, the size is small, theapplicability is high, the recovery speed can be increased, and the safety protection performance can be improved.

Disclosed are a rolling-element bearing unit and a wheel bearing assembly including rolling-element bearing unit. The rolling-element bearing unit is especially used for a wheel bearing assembly of avehicle. The rolling-element bearing unit includes a rolling-element bearing with a bearing outer ring and a bearing inner ring, wherein a bearing interior is defined between the bearing outer ring and the bearing inner ring and rolling elements are arranged in the bearing interior. The bearing inner ring has a bearing inner ring surface facing the bearing interior and axial end surfaces includingaxial ends. The rolling-element bearing unit also includes a first seal assembly, which is fixed to the bearing outer ring through a retainer and supports a seal element that seals against the bearing inner ring surface or against a slip sleeve carried by the bearing inner ring, and the first seal assembly seals the bearing interior. The retainer is configured to be an angle metal plate element having an axially extending annular leg and a radially inwardly extending annular flange, the radially inwardly extending annular flange extending beyond the bearing inner ring surface.

The invention discloses an ecological bag slope protection system. The ecological bag slope protection system comprises a concrete bag layer paved along the slope surface of a slope, the concrete baglayer is composed of a plurality of concrete bags filled with concrete, and the concrete bags are shaped like a Chinese character 'jing' in the slope surface of the slope; the concrete bag layer is externally and fixedly provided with fixing nets, four corners of the concrete bags are fixed to the fixing nets, and the fixing nets are fixed to the slope surface through ground anchors; a plurality of ecological bags are crisscross stacked outside the fixing nets along the slope surface of the slope; and a layer of water discharge racks are arranged between two adjacent ecological bags in a padded manner, and the edges of a plurality of water discharge rack layers communicate with each other through water guide pipes. The ecological bag slope protection system is simple in structure and convenient to construct, the impact resistance of a traditional concrete slope body is achieved, an attractiveness and ecological enrichment effect also can be performed, meanwhile, the plant growth ability of the ecological slope protection system is rapid, the construction time and take-effect time are short, the ecological bag slope protection system can be put into use more quickly, and soil fixation and wind prevention are achieved.

The invention relates to assembling equipment, in particular to assembling equipment for USB connector joint processing and production. The invention provides the assembling equipment for processing and producing the USB connector joint, which can be used for automatically loading and unloading and can be used for limiting the shell and the terminal. The assembling equipment comprises a collecting frame, first fixing plates, wherein the top of the collecting frame is connected with the two first fixing plates; a contact switch arranged on the left side of the top of the first fixing plate on the left side; and first fixing columns, wherein the tops of the two first fixing plates are connected with the two first fixing columns. A second electric push rod telescopic rod drives a second limiting plate and a push column to move forwards, so that the second limiting plate blocks other terminals, meanwhile, the push column moves forwards, an assembled USB connector joint is pushed into a collection frame, and in this way, people do not need to manually return the installed USB connector joint.

The invention provides an intelligent bird-expelling device of a transformer substation. The intelligent bird-expelling device comprises an overhead rail, wherein a movable trolley is arranged on the overhead rail; the movable trolley is provided with a radar detection module, an ultrasonic bird-expelling module and a first camera; a carriage is arranged behind the movable trolley; the carriage is provided with an unmanned aerial vehicle; a cleaning mechanism for treating a bird nest is arranged below the unmanned aerial vehicle; a containing mechanism for collecting the bird nest is arranged on the carriage. According to the intelligent bird-expelling device of the transformer substation, provided by the invention, birds are dispelled when the movable trolley inspects in the transformer substation along the overhead rail; the intelligent bird expelling device is provided with various modules for monitoring the birds and modules for expelling the birds, so that the intelligent bird-expelling device has better bird detection and expelling effects. The unmanned aerial vehicle on the movable trolley can be used for cleaning the bird nest in the air and the function is more powerful.

The invention provides an overhead line bird-repellent device which comprises an overhead track arranged along an overhead line. A moving cart is arranged on the overhead track, a radar detection module, an ultrasonic bird-repellent module and a first camera are arranged on the moving cart, a compartment is arranged behind the moving cart, an unmanned aerial vehicle is arranged on the compartment, a cleaning mechanism for processing bird nests is arranged below the unmanned aerial vehicle, a cover plate is arranged at the rear portion of the compartment, and an accommodating cavity for collecting the bird nests is formed below the cover plate and located in the compartment. The overhead line bird-repellent device repels birds through the moving cart along the overhead track during overhead line routing inspection, is provided with multiple bird monitoring modules and bird repelling modules and has the better effect of detecting and repelling birds, the moving cart is provided with the unmanned aerial vehicle and can remove overhead bird nests, and the functions are more powerful.

The invention discloses a novel adsorption column for removing heavy metals and a preparation method of the adsorption column. Recovered waste sodium alginate gel and environment-friendly resin are combined, artificial stones are formed, and the adsorption column is further prepared. The adsorption column has the effect of adsorbing heavy metal ions, the adsorption column which has certain space and is formed by a top cover, a strip-shaped cage body and a bottom plate can be filled with other adsorption gel capsule materials for removing the heavy metal ions, and the problem that the gel capsule materials cannot be recovered after heavy metal adsorption is solved. Tightening ring parts of the adsorption column are used for fixing the body of the adsorption column so as to prevent the adsorption column from falling apart. Recovery, regrinding and sample preparation can be performed after the adsorption column is damaged during adsorption, and recycling is realized. The novel adsorption column for removing the heavy metals has excellent performance such as high mechanical strength, good pollution resistance, acid and alkali corrosion resistance and the like and has very high commercial exploitation value, and secondary pollution can be avoided fundamentally.

The invention belongs to the technical field of agricultural facilities, and particularly relates to a seedling cultivation plate which comprises a plurality of single plates spliced in sequence. Two sides of a plate body are symmetrically provided with a plurality of planting grooves formed in a concave downward mode respectively, the bottom of each planting groove is provided with a bottom plate capable of being taken out, one side of each single plate is provided with an insertion groove, the other side of each single plate is provided with an insertion strip, each insertion strip is inserted into the corresponding insertion groove in the adjacent single plate, and the bottoms of the planting grooves are provided with pushing-up holes. The bottom plates and the planting grooves are the same in shape and size. When the seedling cultivation plate is used, the bottom plates are placed in the planting grooves and covered with soil, seedling cultivation is carried out, seedlings can be directly taken from the single plates when the seedlings need to be taken out, or the bottom plates are directly taken out to take the seedlings out. Due to the fact that the seedling cultivation plate is used for a long time, it is possible that the bottom plates are not easily taken out, the bottom plates can be pushed up through the pushing-up holes, and through holes are used for drainage. The single plates are spliced when being used, so seedling cultivation in bulk is facilitated. The plate body can be disassembled when the seedlings are taken, operation is convenient to achieve, labor intensity is lightened, and work efficiency is improved.

A draught fan silencer comprises an outer wall, an inner wall, a sound insulation packing material, a supporting base, silencing interlayers, resistance type silencing sheets, lifting rings and reinforcing ribs. The supporting base is arranged at the lower end of the outer wall. The silencing interlayers are connected with the inner wall and internally provided with the resistance type silencing sheets. The lifting rings are arranged at the upper end of the outer wall. The outer wall is made of stainless steel. The sound insulation packing material is arranged between the outer wall and the inner wall. The multiple silencing interlayers are arranged in parallel at equal intervals. The reinforcing ribs are arranged on the outer wall. The draught fan silencer has the beneficial effects that air power noise generated by draught fans of various types is lowered, the silencing amount is large, the silencing band width is high, resistance loss is small, and the structure is simple, installation is convenient; the strength of a shell is enhanced through the reinforcing ribs, the overall strength of the product is enhanced, and the silencer is prevented from being scattered in the transportation or installation process.

The invention discloses a liftable HUD device, and belongs to the technical field of head-up display. The liftable HUD device comprises a mounting box, a mounting plate and a placement table; the mounting plate is arranged in the mounting box, the placement table is rotatably connected to the mounting plate, a first mounting table and a first motor are fixedly connected to the inner wall of the bottom of the mounting box in sequence from left to right, and a first threaded rod is fixedly connected to the output end of the first motor; the end, away from the first motor, of the first threaded rod is rotationally connected to the inner wall of the side wall of the mounting box, and the first threaded rod is in threaded connection with a second mounting table. According to the device, the HUDdisplayer can be fixed more stably through cooperation of a third threaded rod and a clamping plate, the height and the angle are automatically adjusted through a first motor, a user can adjust the angle more conveniently, secondary adjustment can be conducted on the angle through a second motor, and the device is suitable for drivers with different driving habits.

The invention discloses a door frame self-locking splicing structure. The door frame self-locking splicing structure comprises a plurality of door frames for clamping the periphery of a door plate anda rope penetrating through the door frames in sequence; and a unidirectional self-locking module is arranged on one of the door frames and comprises a fixed end and a unidirectional sliding end, oneend of the rope is connected with the fixed end, and the other end of the rope penetrates through the unidirectional sliding end to achieve unidirectional moving. The unidirectional self-locking module enables the rope to be in a shape of converging gradually, the rope can pull the door frames to the center to be converged when penetrating through the door frames, the door frames can be convergedand attached to one another, meanwhile the rope only can move unidirectionally, and thus loosening of the door frames does not need to be worried; the internal fixing splicing mode is adopted in the scheme, and no screw hole need to be formed, so that the complex machining process is avoided, and not only is the front face of the whole door frames concise and clean, but also splicing of the wholedoor frames is easy and the production efficiency is high. The door frame self-locking splicing structure is used for the field of door window mounting.

The invention provides a shakeproof structure of a starting resistor. The shakeproof structure comprises two mounting strips which are arranged laterally at certain distance, wherein the two mounting strips are used for being fixedly connected with the two end parts of at least one horizontally-placed aluminum shell resistor; the end parts of the two mounting strips are fixed; the shakeproof structure of the starting resistor is provided with a reinforcing structure, wherein the reinforcing structure is fixedly connected with a first mounting strip as well as a second mounting strip; the two mounting strips are fixedly connected together through the reinforcing structure, so that the two mounting strips, which are originally independent from each other, are connected into an integrated structure; and when one mounting strip is shaken in a transporting process, the other mounting strip stabilizes the shaken mounting strip through the reinforcing structure, thereby greatly reducing vibration of the mounting strips. Therefore, the shakeproof and reinforcing structure of the starting resistor provided by the invention can reduce the vibration degree of the mounting strips in the conveying process, so that internal falling apart of the aluminum shell resistor or falling off of the whole aluminum shell resistor from the mounting strips can be avoided.

The invention solves the problem that a plum blossom contact is easily damaged due to the fact that a contact finger pressure testing device in the prior art needs to be disassembled for testing. Thedevice comprises a test gun, an elastic expansion detection circular ring and a test probe; the test probe is fixedly connected to the gun head of the test gun, the elastic expansion detection circular ring movably sleeves the test probe, the elastic expansion detection circular ring is formed by annularly and tightly splicing a plurality of fan-shaped expansion units, the inner sides of the fan-shaped expansion units are inner arc surfaces, the distance between each inner arc face and the axis of the outer arc of the corresponding fan-shaped expansion unit is gradually decreased in the anticlockwise direction, a groove is formed in the tail end, in the clockwise direction, of each inner arc face of the corresponding fan-shaped expansion unit, and the bottom face of each groove is tangentto the inner arc face of the adjacent fan-shaped expansion unit. The contact finger pressure testing device solves the problems that an existing contact finger pressure testing device needs to be dismounted for testing, and the plum blossom contact is prone to being damaged.

The invention discloses a combined wound gasket which solves the problems that an existing metal wound gasket is prone to damage and prone to falling apart. The combined wound gasket comprises a pressure bearing ring. An initial pressure inner ring is arranged on the inner side of the pressure bearing ring, and an initial pressure outer ring is arranged on the outer side of the pressure bearing ring. The initial pressure inner ring and the initial pressure outer ring are each of a V-shaped structure. V-shaped openings are formed oppositely. The upper end of the pressure bearing ring, the V-shaped upper edge of the inner ring and the V-shaped upper edge of the outer ring form an upper cavity. The lower end of the pressure bearing ring, the V-shaped lower edge of the inner ring and the V-shaped lower edge of the outer ring form a lower cavity. Non-metal filler is arranged both in the upper cavity and the lower cavity. According to the combined wound gasket, due to cooperation of the initial pressure inner ring and the initial pressure outer ring with the oppositely-formed V-shaped openings and the pressure bearing ring, the combined wound gasket has the beneficial effects of being reasonable in structure and ingenious in conception; and the non-metal filler is arranged both in the upper cavity and the lower cavity, and therefore the whole combined wound gasket has good torsion resistance, bending resistance, shearing resistance and other mechanical properties and is high in anti-deformation capacity and free of the phenomena that the combined wound gasket falls apart and is squashed.

The invention discloses an environment-friendly industrial waste gas purification device. The device comprises a first butt joint ring, a butt joint main body is fixed to the lower end of the first butt joint ring in a threaded opening and closing mode, screws are correspondingly fixed on the outer side end of the first butt joint ring and the outer side end of the butt joint main body in a threaded mode, a second butt joint ring is arranged at the lower end of the butt joint main body in a threaded opening and closing mode, a first butt joint plate is arranged inside the butt joint main body,the side end of the first butt joint plate is provided with a second butt-joint plate in a threaded opening and closing mode, the side end, deviating from the first butt joint plate, of the second butt joint plate is provided with a third butt-joint plate in a threaded opening and closing mode, the side end, deviating from the second butt joint plate, of the third butt joint plate is provided with a fourth butt-joint plate, and the side end, deviating from the third butt joint plate, of the fourth butt joint plate is provided with a fifth butt joint plate. According to the environment-friendly industrial waste gas purification device, assembly and disassemble are convenient, a part of parts can be disassembled in the maintenance and cleaning process, the part of the parts can be installedafter cleaning is completed, and the use requirements can be better met.

The present inventions provide rail plate steel bar skeleton lifting tool, which comprises a truss type sliding lifter, a walking frame, safety locking buckles and lifting belts, wherein the truss type sliding lifter comprises a truss beam, a movement device and a lifting hook, the lifting hook is connected to truss beam through the movement device, the walking frame is positioned below the truss type sliding lifter and comprises four sequentially-connected support beams, the support beam having the same walking direction as the lifting hook is provided with a plurality of upper lifting lugs and lower lifting lugs, each upper lifting lug is connected to the lifting belts through the safety locking buckles, the plurality of the lifting belts are connected to the lifting hook, and each lower lifting lug is connected to a nylon soft rope through the safety locking buckles. According to the present invention, the upper lifting lug and the lower lifting lug are arranged so as to perform multi-pint lifting pulling on the steel bar frame; the nylon soft rope provides the flexible connection effect so as to prevent the steel bar skeleton from deformation; with the matched use of the safety locking buckle and the lifting belt, the whole lifting pulling can be achieved, and the stability of the lifting pulling process is improved; and with the reinforcing rib, the stability and the lifting pulling ability of the device are improved.

The invention discloses an automated cigarette propeller which comprises a goods tank and a pushing mechanism slidably connected to the goods tank. The pushing mechanism comprises a shell slidably connected with the goods tank, a resistance wheel arranged on the shell, a coil spring arranged on the resistance wheel and a compressing part movably connected to the shell, and the outer end of the goods tank is provided with a slant block. According to the automated cigarette propeller, it is guaranteed that the pushing mechanism pushes a cigarette box at the uniform velocity by increasing the friction force, and therefore the phenomenon that the cigarette box falls apart and drops down due to the fact that the instant pushing force of the pushing mechanism is too large is avoided.

A novel jumping bed as a sports apparatus is composed of a peripheral frame consisting of 3-8 long tubes and short tubes, which are alternatively sleeved, the short supporting tubes fixed to both ends of said long tubes, a jumping surface, several elastic elements arranged between peripheral frame and jumping surface, supporting feet, and connecting rods between said short supporting tube and supporting foot. It has high impact strength.

The invention relates to a fan sound eliminator which comprises a housing, sound elimination pieces, a sound absorbing material, installing flanges and an interface flange. Two ends of the housing are respectively and fixedly connected with the interface flanges, the sound elimination pieces and the sound absorbing material are located in the housing, the sound elimination pieces are arranged at intervals, two ends of each sound elimination piece are respectively and fixedly connected with the installing flanges, the sound absorbing material is filled in each sound elimination piece, and the installing flanges are fixed to the interface flanges. The fan sound eliminator has the advantages of being simple in structure and convenient to install.

A hub driving assembly includes a hub, a hub bearing positioned in the hub and arranged on a central axis of the hub, a housing positioned between the hub bearing and the hub and forming a housing space around the hub bearing; the housing space includes a first accommodation chamber and a second accommodation chamber; the housing, in the axial direction, at least includes two parts, and an outermost part in the axial direction of the housing serves as a side wall of the second accommodation chamber; drivers are positioned in the first accommodation chamber, output ends of the drivers extend out of the first accommodation chamber and then are connected to the hub; a brake is positioned in the second accommodation chamber and is arranged in the outermost part in the axial direction of the housing, and an output end of the brake is connected to the hub; support pieces are positioned in the second accommodation chamber, and the support pieces support the hub bearing and housing parts near the outermost part in the axial direction of the housing in the radial direction. According to the scheme, the brake is integrated into the hub drivers, and then layout of the hub drivers and the brake is optimized in a limited housing space; and the support pieces can support the housing parts near the outermost part in the axial direction of the housing, and then prevent the housing parts from inclining and falling apart.

The invention provides a supporting frame structure of a rural earthquake-resistant building house. The supporting frame structure comprises force-bearing connection longitudinal rods and shearing supporting steel columns. Angular supporting columns are arranged at the four corners of a structure body, and center supporting columns are arranged in the centers between the left and right angular supporting columns. Fixing connecting plates are arranged at the bottoms of the center supporting columns and the angular supporting columns, and the bottoms of the center supporting columns and the angular supporting columns are connected through force-bearing fixing plates. Square mounting grooves are formed in the tops of the center supporting columns and the angular supporting columns, the adjacent center supporting columns and angular supporting columns in the left-right direction are connected through force-bearing connection transverse rods at the tops, and the adjacent center supporting columns and angular supporting columns in the front-rear direction are connected through the force-bearing connection longitudinal rods at the tops. By arranging the shearing supporting steel columns,mounting and fixing of top connecting parts are facilitated, the problems of house beam collapse and top tile stone falling, caused by an earthquake, of a traditional house are solved, and meanwhile the force-bearing connection transverse rods and the force-bearing connection longitudinal rods are fixed.

The invention discloses a treatment vehicle with garbage bins and garbage bin opening and closing rotating frames. Bin bodies of the garbage bins can rotate out of or rotate back to the treatment vehicle from the front portion of the treatment vehicle. The garbage bin opening and closing rotating frames comprise screw rods fixed to the outer sides of the ends of the treatment vehicle, bin cover lifting assemblies and bin body rotating assemblies, wherein the bin cover lifting assemblies and the bin body rotating assemblies are connected to the screw rods. Polished rod areas are formed in the middles of the screw rods. The bin cover lifting assemblies comprise lifting plates which movebly sleeve the polished rod areas, cover lifting rods are arranged at the inner ends of the lifting plates,and the other ends of the cover lifting rods are connected with bin covers. The bin body rotating assemblies comprise rotating plates which are in rotatabe threaded connection to the positions, belowthe polished rod areas, on the screw rods, the inner ends of the rotating plates are connected with vertical supports, supporting plates are arranged at the bottoms of the vertical supports, and rolling wheels capable of moving on the upper surfaces of bottom plates are arranged at the bottoms of the supporting plates. The structure is reasonable, using is convenient, health care workers are prevented from bending down in the garbage abandoning process, and thus the lumbar spine is protected; and hands do not need to make contact with the garbage bins, the clean and hygienic effects are achieved, the hands are prevented from being contaminated, and glove replacement or hand hygiene disinfection are not needed any longer.

The invention provides a high temperature superheater of a steam boiler, and belongs to the technical field of boiler components. The problem that an existing steam boiler cannot make heat of fuel be well absorbed and utilized is solved. The high temperature superheater of the steam boiler comprises a square body, a superheater pipe is arranged in a cavity of the body, and the superheater pipe is in a snakelike bent pipe shape. Two main pipes which are arranged in parallel are further arranged on the outer side of the body, the two ends of the superheater pipe both stretch out of the body, and the two ends of the superheater pipe are communicated with the middle parts of the two main pipes respectively. The side wall of the body is evenly covered with an insulating layer. The high temperature superheater of the steam boiler has the advantage of being capable of fully absorbing the heat of the fuel.

The invention discloses an excrement drying device for environmental protection in animal husbandry. The excrement drying device comprises a granulation box, wherein a second motor is arranged on theouter wall of the top part of the granulation box, and an electric extending-retracting drum is arranged on the outer wall of one end of an output shaft of the second motor; an electric extending-retracting rod is connected with the inner wall of the bottom part of the electric extending-retracting drum in an inserting manner, and a pressing plate is arranged on the outer wall of the bottom part of the electric extending-retracting rod; heating blocks are respectively arranged on the inner walls of the two sides of the granulation box; a gas guiding pipe is connected with the outer wall of oneside of the granulation box in an inserting manner, and a purifying box is connected with the inner wall of one end of the gas guiding pipe in an inserting manner; filtering nets are respectively arranged on the inner walls of the top part and the bottom part of the purifying box; a drying box is arranged on the outer wall of the bottom part of the granulation box, and a protective shell is arranged on the outer wall of the bottom part of the drying box. The excrement drying device disclosed by the invention has the beneficial effects that the motors are adopted to drive the pressing plate torotate so as to smash and stir animal dung uniformly, then the animal dung can be uniformly heated in the granulation box, simultaneously the pressing plate extrudes the animal dung by extension andretraction, and the animal dung can be extruded by a granulation plate, so that convenience is brought for next step of operation.

The invention provides a hollow nano-activated carbon rod and a preparation method thereof. The hollow nano-activated carbon rod is composed of 20-60 wt.% of 80-280-meshed attapulgite powder, 40-90 wt.% of 60-300-meshed activated carbon powder, and 30-75 wt.% of 200-600-meshed rubber powder. According to the hollow nano-activated carbon rod, the attapulgite powder, the activated carbon powder andthe rubber powder can achieve good synergistic effects; the rubber power contributes to bonding and shaping of the attapulgite powder and the activated carbon powder and further avoids falling powderor falling powder during application of the hollow nano-activated carbon rod and ensures high strength and hardness; meanwhile, the hollow nano-activated carbon rod can effectively inhibit bacteria breeding and is long in service life of COD (chemical oxygen demand) removal and environmentally friendly.

The invention relates to the technical field of automobile seats, in particular to a welfare seat for an automobile and a rotary lifting seat frame of a welfare seat. The rotary lifting seat frame comprises a bottom plate, a middle plate, a rotary plate, a fixed plate, a hinge support and a driving arm, a side plate is arranged on the side edge of the middle plate, and a limiting unit for limiting the longitudinal and transverse positions of the rotary plate during collision is arranged between the rotary plate and an upper plate; the limiting unit comprises a positioning mechanism and a first limiting mechanism, the positioning mechanism comprises a limiting lock catch which is arranged at the bottom of the rotary plate and is locked and limited with a limiting pin arranged on the middle plate when the rotary plate is reset, and the first limiting mechanism is arranged on the other side relative to the pivot joint of the rotary plate and the middle plate; a second limiting mechanism for limiting the longitudinal and transverse positions of the hinge support during collision is arranged on the rotating plate, a third limiting mechanism is arranged on the front portion of the driving arm, a fourth limiting mechanism is arranged on the hinge support, the safety is high, the seat frame is high in structural stability, small in collision deformation and free of falling apart, and protectiveness to passengers is effectively improved.

The invention discloses an assembling furniture board which comprises a board body and a blind hole formed in the board body. The assembling furniture board is structurally characterized in that a threaded hole is formed in the bottom of the blind hole, a fixing pipe is screwed to the interior of the threaded hole, a positioning ring is arranged inside the fixing pipe, a movable pipe with an internal thread is inserted into the positioning ring, a positioning plate which is arranged in the radial direction and penetrates through the fixing pipe is connected to the outer wall of the movable pipe, a triangular positioning wedge is arranged at the tail end of the positioning plate, a locking cover is cooperatively arranged in the blind hole, a coaxially-arranged protruding column is arrangedon the locking cover, a cylindrical groove matched with the fixing pipe is formed in the end face of the protruding column, and the circle center of the cylindrical groove is provided with a locking column inserted into the movable pipe. Compared with the prior art, the furniture board has the advantages that the design is reasonable, the structure is simple, the furniture can be stably and firmlymatched with an expansion rod, the firmness degree between furniture boards can be enhanced, and the phenomenon that disengagement and separation are caused after external force is slightly borne isavoided.