30results about How to "Easy snap-on installation" patented technology

The invention relates to the technical field of ovulation detection, in particular to a convenient and rapid gynecological infertility ovulation detection special device which comprises a fixing shell, a storage mechanism is installed in the fixing shell, a limiting mechanism is connected to the storage mechanism, a collecting mechanism is installed in the fixing shell, and a limiting mechanism is connected to the limiting mechanism. A control mechanism is connected to the collecting mechanism, a locking mechanism is installed in the fixing shell, a discharging mechanism is connected to the collecting mechanism, and a fixing mechanism is connected to one side of the fixing shell; the fixing shell and the wall body are conveniently disassembled and assembled through the fixing mechanism, test paper is conveniently placed and subsequently extracted and used through cooperation of the storage mechanism and the limiting mechanism, the used test paper is conveniently stored through cooperation of the collecting mechanism and the control mechanism, and subsequent cleaning is facilitated; under the action of the locking mechanism, the collection mechanism and the fixing shell are stably installed, and under the action of the discharging mechanism, discharging of waste water generated after cleaning is facilitated.

The invention discloses an embedded hidden terminal for artificial intelligence home information processing based on big data, which includes an installation frame main body, an embedded hidden terminal body, a first limit block and a guide wheel. The inner bottom surface of the installation frame main body is provided with groove, and the inside of the groove is provided with a threaded rod, and the front and rear ends of the threaded rod are connected to the main body of the installation frame with bearings, the front end of the threaded rod runs through the main body of the installation frame, and the inner wall of the front end of the main body of the installation frame is fitted with a A first fixing frame, and an embedded hidden terminal body is attached to the inside of the first fixing frame, and a second fixing frame is attached to the outside of the embedded hidden terminal body. The big data-based artificial intelligence home information processing embedded hidden terminal closes the front side opening of the main body of the installation frame through the concave-convex cooperation at the top of the two baffles, so it is convenient for hidden installation of the embedded hidden terminal body.

The invention discloses a deck covering plate with a quick disassembly and assembly structure. The plate comprises an outer surface layer plate, anti-skid strips are evenly and fixedly installed on the outer surface layer plate, water guide grooves are evenly formed in the top of the outer surface layer plate, a sound insulation layer is arranged below the outer surface layer plate in a press fitmode, a supporting plate is fixedly arranged at the bottom of the sound insulation layer in a press fit mode, and supporting reeds are evenly inserted into the bottom of the supporting plate. According to the invention, the positioning keel is welded on the deck; a clamping groove is formed in the right side of the positioning keel; the fixed bottom plate can be conveniently clamped and mounted onthe positioning keel; the fixed plate on the right side of the fixed bottom plate is fixed on the other group of positioning keels through fastening bolts; the deck covering plate is fixed through the fastening bolts, when the deck covering plate needs to be maintained and replaced, only the fastening bolts need to be screwed to loosen and take down the deck covering plate, rapid dismounting, mounting and fixing are facilitated, the bolts replace adhesives for mounting and fixing, and the deck covering plate is environmentally friendly and more stable.

The invention relates to the field of constructional engineering equipment, in particularly relates to a service terminal special for constructional engineering. The terminal comprises a quality evaluation module which receives the on-site data and a classification result of the on-site data at the present stage, obtains the engineering standard data from a database according to the classificationresult, compares the on-site data at the present stage with the engineering standard data to thereby evaluate the engineering quality at the present stage and obtain an evaluation result; and a quality re-evaluation module which is used for acquiring the evaluation result of the engineering quality of the previous stage, carrying out field data re-acquisition on the engineering of which the evaluation result of the previous stage is unqualified, and comparing the re-acquired field data with the engineering standard data to thereby re-evaluate the engineering quality of the previous stage andobtain a re-evaluation result. According to the invention, the problem of poor engineering quality monitoring effect caused by the fact that the existing service terminal does not re-estimate the engineering quality of the previous stage can be solved.

The invention discloses a connecting structure for a lift supporting beam of a vertical take-off and landing aircraft, the vertical take-off and landing aircraft comprises wings arranged above a fuselage, a propulsion propeller positioned at the tail end of the tail of the fuselage, horizontal tails arranged on two sides of the tail of the fuselage, and an undercarriage positioned below the fuselage, the lower portions of the wings located on the two sides of the fuselage are each connected with a lifting force supporting beam extending in the direction parallel to the axis of the fuselage, the front end and the rear end of each lifting force supporting beam are each provided with a motor cabin, each motor cabin is provided with a pair of coaxial reverse propeller lifting force propellers, and the lifting force supporting beams are detachably connected to the lower portions of the wings. According to the aircraft, a conventional layout is adopted, the lift force supporting beams can be conveniently and integrally detached from the wings, so that the aircraft can be converted into a common aircraft, the lift force structure can be conveniently and integrally detached to be conveniently returned to a factory to be overhauled, and the lift force supporting beams can be conveniently clamped and mounted below the wings.

The invention discloses a movable adjusting type grinding roller driving device which comprises a base, wherein a guide seat is arranged on the base; adjusting grooves are formed in the front part positions of the base and the guide seat; mobile adjusting seats are arranged at the adjusting groove positions; the mobile adjusting seats are provided with fixing seats, and fixing plates are arrangedon the fixing seats; side plates are arranged between the fixing plates and the fixing seats; and the side plates are fixed on the fixing seats, the fixing seats are provided with driving motors, thedriving motors are installed between the side plates, driving shafts are arranged on the front parts of the driving motors, one ends of the driving shafts are connected with the front parts of the driving motors, rotating drums are arranged at the other ends of the driving shafts, rotating shafts are arranged on the front parts of the driving motors, and the rotating shafts are in butt joint withthe driving shafts. According to the movable adjusting type grinding roller driving device, grinding rollers can sleeve the outer peripheral surfaces of the rotating drums, so that the grinding rollers can be conveniently driven, and the efficiency for controlling the rotation of the grinding rollers is greatly improved.

The invention discloses a safety supporting device for civil engineering construction. The safety supporting device comprises two symmetrically-arranged stand columns, two frame plates are jointly installed between the two stand columns in a clamped mode, two inserting drill rods are movably installed on each stand column, a locking inserting rod is installed on each stand column in a penetrating and inserting mode, each locking inserting rod is inserted into the corresponding stand column and connected with the matched frame plate in a clamped mode, a plurality of baffles are movably installed on the two frame plates jointly, a water pumping port is fixedly installed at the top end of each baffle, a water inlet pipe is fixedly installed at the bottom end of each baffle, and a built-in box body is fixedly installed in each baffle. The safety supporting device has the beneficial effects that a traditional welding type structure is replaced with a clamping assembly type structure, the convenience of the device during disassembly and assembly is effectively improved, the baffles installed on the supporting device have the drainage function, accumulated water in a foundation pit can be drained more thoroughly, soil on the inner wall of the foundation pit is prevented from being washed and falling down, and the safety coefficient during foundation pit excavation is improved.

The invention discloses a portable ejection mechanism for storage battery mold. The portable ejection mechanism comprises a bottom plate, wherein reset springs are installed at four corners of the topend of the bottom plate, the top ends of the reset springs are connected with a supporting plate, a worm is welded to the middle of the bottom end of the supporting plate, fixing blocks are welded tothe two sides of the bottom plate, and a bearing is embedded in the middle of one side of the two fixing blocks. The portable ejection mechanism is scientific and reasonable in structure, and safe and convenient to use, the worm can be driven to move upwards through a rotating rod, a bearing, a gear and a crank, and therefore ejector rods at the top end of the supporting plate can be driven to eject the forming mold upwards; the supporting plate can be pulled to move downwards through the reset springs, so that the ejector rods can be reset, the operation is convenient, and the use is convenient; a push plate and the ejector rods are utilized, so that the forming mold in the female mold is stressed uniformly, and damage to the mold due to the top end of the single ejector rod when the ejector rods move upwards is avoided; and the bottom end of the push plate can be buffered through utilizing notches, mounting seats and spring barrels.

The invention relates to the technical field of anti-settling well lids, and particularly relates to an adjustable anti-settling well lid for municipal engineering. The adjustable anti-settling well lid comprises a well lid body, wherein a supporting seat is mounted at the bottom of the well lid body; a bearing seat is mounted at the bottom of the supporting seat; a plurality of fixing frames are uniformly mounted on the outer side of the top of the bearing seat circumferentially; a plurality of sliding grooves are uniformly formed in the inner side of the top of the bearing seat circumferentially; the sliding grooves are in one-to-one correspondence to the fixing frames in position; section size of each fixing frame is matched with that of the corresponding sliding groove; a limiting plate is slidably mounted inside each fixing frame; a limiting mechanism is mounted between the well lid body and each limiting plate; a clamping groove is formed in the supporting seat; a clamping ring is connected inside the clamping groove in a clamped manner; an adjusting mechanism is mounted between the clamping ring and each limiting plate; a plurality of positioning holes are uniformly formed in the clamping ring circumferentially; and a plurality of positioning bolts are uniformly mounted on the outer side of the supporting seat circumferentially and correspond to the positioning holes in position. The adjustable anti-settling well lid is convenient to adjust and prevented from settling.

The invention discloses a suit device for heat treatment of a metal filter core fine filter. The suit device comprises a protective tube; an opening cavity is formed in the protective tube in an axial position; a first clamping groove is formed in one side of the end part of the protective tube; a second clamping groove is formed in the other side of the end part of the protective tube; a first limiting block is arranged on one side of the end part of the protective tube and on the outer side of the first clamping groove; a second limiting block is arranged on the other side of the end part of the protective tube and on the outer side of the second clamping groove; a metal cylinder is arranged in the protective tube; a first end cover is arranged on one side of the metal cylinder; a second end cover is arranged on the other side of the metal cylinder; a fixed hole is formed in the outer end of the second end cover; a support pipe is arranged at the outer end of the second end cover and is provided with a support groove; a fixed pin is arranged at the end part of the support pipe and is inserted into the fixed hole in a connecting manner; and a plug pipe is connected with the first clamping groove and the second clamping groove in an insertion manner and is arranged on the support groove. The suit device is convenient for carrying out suit mounting on the metal filter core fine filter.

The invention discloses a moving preventing rubble backfilling device. The moving preventing rubble backfilling device comprises a backfilling body, a movable handrail and a fixing device. The backfilling body comprises a backfilling box and a moving base. A feeding hopper is arranged above the backfilling box, and a discharging hopper is arranged below the backfilling box. The backfilling box islocated on the moving base. The fixing device comprises a fixing frame and a fixing steel plate. The fixing frame comprises a fixing sleeve and a supporting frame. A construction method comprises thefollowing steps that a, rubble foundation pit excavation is conducted according to a design drawing; b, fixing steel plate arrangement is conducted; c, backfilling body arrangement is conducted; d, fixing frame arrangement is conducted; e, steel wire rope arrangement is conducted; and f, rubble backfilling is conducted. The moving preventing rubble backfilling device and the construction method are provided, the construction method is simple, mounting and dismounting are convenient and fast, backfilling body installation is firmer through the design of the fixing device, the situation that thebackfilling body moves, and the rubble backfilling rate is influenced is effectively prevented, and operation safety performance is improved.

The invention discloses a horizontal rotating control solar panel clamp connection device, which comprises a bracket, a positioning pipe is arranged on the bracket, the positioning pipe is arranged vertically, a rotary adjusting frame is arranged on the end of the positioning pipe, and the rotary adjusting frame is connected with the positioning pipe; the inner part of the rotary adjusting frame is provided with a mounting groove; two inner side walls of the rotary adjusting frame are provided with a plurality of clamping grooves; the rotary adjusting mechanism comprises a rotary adjusting shaft which is arranged in the positioning pipe, the lower end of the rotary adjusting shaft is provided with a second worm gear, a first worm gear is arranged in the inner part of the positioning tube,the first worm gear is butted to the second worm gear, the first worm gear is connected with a rotating shaft, the inner end of the rotating shaft is connected with the first worm gear, and the outerend of the rotating shaft is a free end; the rotary adjusting frame is arranged at the end position of the rotary adjusting shaft; and a fixing plate is sleeved on the end of the rotary adjusting shaft, and the rotary adjusting frame is arranged on the fixing plate. The horizontal rotating control solar panel clamp connection device is convenient for clamp connection and horizontal rotation adjustment of solar panels, and facilitates clamp connection and installation of solar panels.

The invention discloses a linear oscillation motor. The linear oscillation motor comprises a shell, a linear vibration module and a reverse vibration module are arranged in the shell, the linear vibration module and the reverse vibration module are coupled through the shell; the linear vibration module comprises a sliding piece and at least one iron core set; the sliding piece is arranged in the shell in a sliding mode in the axial direction; the sliding piece extends out of the shell to form an output shaft; magnetic steel is arranged on the sliding piece, plate springs are arranged at the two ends of the sliding piece, the sliding piece is connected with the shell through the plate springs, the iron core set comprises two E-shaped iron cores arranged on the two sides of the sliding piecerespectively, windings are arranged on the E-shaped iron cores, and the reverse vibration module is arranged in the shell and is far away from the output shaft. The structure is simple, implementation is facilitated, a center shaft can move in the axial direction to be output, output is more stable, and the using effect of the whole structure is improved.

The present invention relates to the technical field of electric motors, and specifically relates to a motor with a uniformly distributed and ventilated protective cover structure, including a motor body, a motor shaft is arranged inside the motor body, and a heat dissipation mechanism is installed on the motor body. An air intake mechanism is installed on the heat dissipation mechanism, an exhaust mechanism is installed inside the heat dissipation mechanism, a storage mechanism is installed inside the heat dissipation mechanism, a fixing mechanism is installed on the heat dissipation mechanism, and an interference mechanism is installed on the motor shaft; The motor shaft is driven and rotated by the action of the motor body, so that the heat dissipation mechanism works, and the external air is extracted by the action of the air intake mechanism, so that the air flow flows evenly inside the heat dissipation mechanism, which is conducive to the heat dissipation of the motor body. Through the storage mechanism Under the action, it is convenient to store and clean the dust and debris on the filter screen of the air intake mechanism to prevent the heat dissipation mechanism from being blocked.

The invention relates to a metal section doorframe rubber strip which is provided with a strip-shaped rubber strip body made of an elastic rubber material. The rubber strip body comprises an outer buffer rubber strip and an inner clamping rubber strip, wherein the buffer rubber strip is provided with a buffer bag cavity with an arc-shaped outer surface, the inner side surface of the buffer bag cavity is planar, a plurality of bag cavity separating plates are arranged in the buffer bag cavity, the clamping rubber strip comprises a plurality of clamping ribs connected with the inner side plane of the buffer bag cavity, a clamping bag cavity is connected with the clamping ribs, a plurality of bag cavity separating plates are also arranged in the clamping bag cavity, and the clamping bag cavity and the clamping ribs are clamped in corresponding clamping grooves of a metal section doorframe together. The metal section doorframe rubber strip has simple and novel structural design, but good use effect.

The invention discloses a sleeve grouting frame. The sleeve grouting frame comprises a first supporting frame, a telescopic top plate is fixedly connected to the middle section of the front end face of the first supporting frame, a storage tank is fixedly connected to the middle section of the top end of the telescopic top plate, an air suction cylinder is fixedly connected to the bottom end of the storage tank, a control panel is fixedly connected to the top end of the front end face of the telescopic top plate, connecting transverse rods are fixedly connected to the left side and the right side of the front end face of the first supporting frame, a second supporting frame is fixedly connected to the other ends of the connecting transverse rods, and rotating screw rods are fixedly connected to the left side and the right side of the front end face of the second supporting frame. According to the sleeve grouting frame, the four supporting frames can be matched with one another in the using process, the good supporting effect is achieved, a grouting sleeve is helped to be clamped in the frame, normal grouting is facilitated, meanwhile, the telescopic top plate can stretch out and draw back, the telescopic top plate is matched with the connecting transverse rod, the front-back length of the frame can be adjusted in the using process, and the application range is further expanded.

The invention discloses an assembled prefabricated concrete shear wall based on a steel bar sleeve, which comprises a concrete shear wall body, a steel bar sleeve main body, an upper connecting steel bar main body, a lower connecting steel bar main body and a U-shaped fixed steel bar. The lower part of the force wall body is fixed with a fixed frame body, and the internal equidistant screws of the fixed frame body are fixed with the main body of the steel bar sleeve, and the upper end of the main body of the steel bar sleeve is penetrated with an upper connecting steel bar body, and the main body of the steel bar sleeve The lower end of the frame body is provided with a lower connecting steel bar main body, the outer screw of the upper end of the upper connecting steel bar main body is fixed with a U-shaped fixing steel bar, and the bottom end of the fixed frame body is fixed with first supporting ribs with equidistant screws. The prefabricated concrete shear wall based on the reinforced sleeve is provided with a fixed frame, so that the internal grouting of multiple inner grouting openings can be done through the space formed by the outer grouting opening, the vertical partition and the transverse partition, without needing to install one by one. Easy to disassemble and install.

The invention discloses an asphalt preparation system for civil engineering construction and a preparation process thereof. The system comprises a fixed supporting plate, mounting bottom plates are fixedly mounted on the left side and the right side of the top end of the fixed supporting plate correspondingly, side supporting rods are fixedly mounted at the top ends of the mounting bottom plates, and adjusting screw rods are movably mounted on the outer sides of the side supporting rods; a vertical plate is movably connected to the outer side of the top end of the side face supporting rod, a supporting top plate is fixedly installed at the bottom end of the vertical plate, an overturning opening is formed in the right side of the interior of the supporting top plate, and a motor is fixedly installed at the top end of the supporting top plate. According to the asphalt preparation system for civil engineering construction and the preparation process of the asphalt preparation system, the rolling wheels can move the fixed supporting plates, the application range of the asphalt preparation system is widened, meanwhile, the fixed supporting plates are convenient to clamp and install due to the opening design, the stability of the device is improved, and the height of the side supporting rods can be adjusted according to needs; the practicality of a device can be increased.

The invention discloses a supporting type drain pipeline drainage device which comprises a bottom plate. A supporting plate is vertically arranged on the bottom plate, a fixed plate is arranged between the root of the supporting plate and the bottom plate, and a buckle base is arranged on the outer peripheral face of the fixed plate; a supporting base is arranged at the end of the supporting plate; the supporting base is provided with a drainage pipeline, the supporting base comprises a supporting frame which is provided with a supporting slot, a first groove is formed in one side of the supporting frame, a first limiting block is arranged at the first groove, a second groove is formed in the other side of the supporting frame, and a second limiting block is arranged at the second groove; a third groove is formed in the side wall of the lower portion of the supporting frame, and a third limiting block is arranged at the third groove. According to the supporting type drain pipeline drainage device, the drainage pipeline can be installed in a clamped mode through the supporting seat, and the drainage pipeline can be installed in a clamped mode conveniently through the supporting slot in the supporting frame; drainage is achieved by means of connection of the drainage pipeline and a drain pipeline.

The invention discloses an artificial intelligence home information processing embedded type hidden terminal based on big data. The artificial intelligence home information processing embedded type hidden terminal comprises an installation frame main body, an embedded type hidden terminal body, first limiting blocks and guide wheels. Grooves are formed in the bottom face inside the installation frame main body, threaded rods are arranged in the grooves, the front end and the rear end of each threaded rod are connected with the installation frame main body through bearings, the front ends of the threaded rods penetrate through the installation frame main body, a first fixing frame is attached to the inner wall at the front end of the installation frame main body, the embedded type hidden terminal body is attached to the inside of the first fixing frame, and a second fixing frame is attached to the outer side of the embedded type hidden terminal body. By the adoption of the artificial intelligence home information processing embedded type hidden terminal based on the big data, an opening in the front side face of the installation frame main body is closed through recess and protrusion matching of the top ends of two baffles, and therefore the embedded type hidden terminal body can be hidden to be installed.

The invention discloses an electricity taking device and a lamp provided with the same. The electricity taking device comprises a male end and a female end connected to each other in a plugged manner.The female end comprises a first electric conduction part which comprises at least two electric conduction pieces and wire clamping elastic pieces in one-to-one correspondence, the number of poles and groups of plugs are same, and the plugging region of each electric conduction piece is inserted into the corresponding wire clamping elastic piece and is matched with the wire clamping elastic pieceto form a clamping port; each electric conduction piece is provided with an electric conduction piece is provided with an electric conduction region electrically connected to the inserted plug, and the electric conduction region of each electric conduction piece is electrically connected to one pole of the plug correspondingly; and the electricity taking device also comprises triggering parts matched with or connected to the wire clamping elastic pieces for controlling the sizes of the clamping ports. According to the electricity taking device disclosed by the invention, the male end and thefemale end lean against each other rotatably and are externally connected to a lampshade, and the lampshade needs not to be detached. Meanwhile, the electricity taking device needs not to be mounted in an aligned manner, so that the electricity taking device is more conveniently mounted and detached. The triggering parts are matched with the wire clamping elastic pieces to control the sizes of theclamping ports, so that external wires are connected and clamped conveniently.

The invention relates to a portable disk-type motor, which comprises a base, a central shaft, a rotor and a stator, wherein the central shaft is fixedly arranged on the base, the rotor is sleeved on the central shaft and rotatably connected with the central shaft, and the stator is fixedly connected with the base; the rotor is provided with mounting grooves, a plurality of permanent magnets are uniformly distributed in the mounting grooves, and the adjacent permanent magnets are opposite in magnetic pole; and the stator comprises a supporting plate fixedly connected with the base and winding teeth sequentially arranged on the supporting plate, the winding teeth are provided with coils, and the winding teeth are made of a non-metal material. The portable disc-type motor has the effects thatthe weight of the motor can be reduced, the occupied space of the motor is saved, and the motor is convenient to carry and use.

The invention discloses an ultra-thin valve core, and relates to the technical field of valve cores. The ultra-thin valve core includes a valve core barrel body, an air vent assembly and an air outlethole assembly, a rotating head is installed on the upper part of the interior of the valve core barrel body, and clamping grooves are formed in both sides of the rotating head; the air vent assemblypenetrates through one side of the valve core barrel body, the air outlet hole assembly penetrates through the other side of the valve core barrel body, and the air outlet hole assembly includes a fan-shaped opening, a U-shaped hole and an air outlet hole flow passage; and an installation inner cavity is internally provided with a rotating inner core, the rotating inner core is fixedly connected with the rotating head, and the middle of the rotating inner core is provided with a rotating shaft. The ultra-thin valve core has the beneficial effects that by controlling the height of the valve core barrel body, an extremely thin furnace is realized, a hearth panel does not require an opening to be inserted into the furnace, the length of the valve core barrel body is about 15-20 mm, and the length of a conventional valve core is 30-38 mm.

The invention discloses a sleeve grouting frame, comprising a first support frame, a telescopic top plate is fixedly connected to the middle section of the front end surface of the first support frame, and a storage tank is fixedly connected to the top middle section of the telescopic roof plate. The bottom end of the trough is fixedly connected with a suction cylinder, the top end of the front end surface of the telescopic top plate is fixedly connected with a control panel, and the left and right sides of the front end surface of the first support frame are fixedly connected with connecting cross bars. The other end of the rod is fixedly connected with a second support frame, and the left and right sides of the front end surface of the second support frame are fixedly connected with rotating screws. In the sleeve grouting frame, the four support frames can cooperate with each other during use to achieve a good support effect, helping the grouting sleeve to be clamped inside the frame, which is convenient for normal grouting. The connecting crossbars cooperate with each other, which helps the length of the shelf to be adjusted before and after use, and further improves the scope of application.

The invention discloses a high-strength house anti-loosening fireproof plate with a sound insulation structure, and relates to the technical field of fireproof plate equipment. The high-strength house anti-loosening fireproof plate with the sound insulation structure comprises a positioning frame, a groove ring used for installing a reinforcing frame is formed in the middle of the inner side wall of the positioning frame, a supporting framework mechanism is arranged in an inner cavity of the reinforcing frame, and the supporting framework mechanism is used for enhancing the structural strength in the positioning frame; sound insulation assemblies are arranged on the two side walls of the supporting framework mechanism and used for restraining transmission of various kinds of vibration, and sound frequency in a larger range can be shielded. The two ends of the positioning frame cavity are each provided with a protection plate assembly, the protection plate assemblies are used for further enhancing the structural strength of the positioning frame, the structural strength of the fireproof plate can be enhanced, the sound insulation effect of the fireproof plate can be improved, and meanwhile a user can conveniently recycle and reuse structural materials in the fireproof plate.

The invention discloses a loading box body device for diesel engine crankshafts. The loading box body device for the diesel engine crankshafts comprises at least two box body modules which are rectangular frame extruded bodies and provided with clamping grooves; openings of the clamping grooves are upward, and the clamping grooves correspond in pairs; the two ends of a centre shaft of each crankshaft are clamped into the corresponding clamping grooves; the upper edges of the box body modules are provided with protrusions, and the lower edges of the box body modules are provided with grooves; and the protrusions are inserted into the grooves. The loading box body device has the following beneficial effects that after the crankshafts are loaded into a box, all the crankshafts make no contact with one another, so that collision and extrusion among the crankshafts are avoided, and all the crankshafts are protected from being destructed by external force.

The invention discloses a fabricated precast concrete shear wall based on reinforcing steel bar sleeves. The fabricated precast concrete shear wall comprises a concrete shear wall body, reinforcing steel bar sleeve main bodies, upper connecting reinforcing steel bar main bodies, lower connecting reinforcing steel bar main bodies and U-shaped fixing reinforcing steel bars, wherein a fixing frame body is fixed inside the lower portion of the concrete shear wall body, the reinforcing steel bar sleeve main bodies are fixed inside the fixing frame body through screws at equal intervals, the upper connecting reinforcing steel bar main bodies are arranged inside the upper ends of the reinforcing steel bar sleeve main bodies in a penetrating mode, the lower connecting reinforcing steel bar main bodies are arranged inside the lower ends of the reinforcing steel bar sleeve main bodies in a penetrating mode, the U-shaped fixing reinforcing steel bars are fixed to the outer sides of the upper endsof the upper connecting reinforcing steel bar main bodies through screws, and first supporting reinforcing ribs are fixed to the bottom end of the fixing frame body through screws at equal intervals.The fabricated precast concrete shear wall based on the reinforcing steel bar sleeves is provided with the fixing frame body, so that the interiors of multiple inner grouting openings are grouted through a space formed by the outer grouting openings, vertical partition plates and transverse partition plates, one-by-one dismounting and mounting are not needed, and operation is convenient.