34results about How to "Deadlock implementation" patented technology

The invention discloses an anti-falling device of a screw and nut type building scaffold. The device comprises a screw, a nut, an anti-falling frame and a spring. The nut is arranged in the anti-falling frame, the upper portion of the nut is provided with the spring, the screw penetrates through the anti-falling frame, the nut and the spring, the upper end face of the nut is provided with a tooth-shaped groove, and the inner surface of an upper plate of the anti-falling frame is provided with a tooth-shaped boss. By means of the nut and the screw with a large lead angle, the nut can ascend and descend automatically when the anti-falling frame ascends and descends at a proper speed, and the nut is prevented from being locked. When ascending speed exceeds the largest ascending speed of the nut, the nut will limit ascending of the scaffold. When descending speed reaches a set safety value of the nut, the nut compresses the spring, the tooth-shaped groove in the upper end face of the nut is matched with the tooth-shaped boss on the inner wall of the upper plate of the anti-falling frame, and accordingly the anti-falling frame is locked and the scaffold is prevented from falling. The anti-falling device is easy and convenient to operate, simple in structure and worthy of application and popularization.

The invention relates to an analyzer magnetic ball cleaning device. The analyzer magnetic ball cleaning device comprises a basal body module, an uniform mixing module, a rotating module, a lotion injecting module and a waste liquid sucking module; the basal body module comprises a base plate, a bearing base, a rotating base shaft, a rotating motor and an uniform mixing lifting guide shaft; the uniform mixing module comprises an uniform mixing disc, an uniform mixing position, an uniform mixing screw motor and an uniform mixing rotating motor; the rotating module comprises a rotating disc and an eccentric rotating cup support; the lotion injecting module comprises an injecting fixed plate, a lotion needle, a lotion injecting bracket, a primer needle, an injecting needle frame, a support column and a magnet frame; and the waste liquid sucking module comprises a linear guide rail, a support stand plate, a guide rail transfer frame, a sucking screw motor, a reinforcing rib, a waste liquidsucking bracket and multiple waste liquid sucking needle units. The analyzer magnetic ball cleaning device uses multiple needles for injecting lotion and sucking waste liquid and multiple positions for eccentric rotary uniform mixing to achieve good cleaning effect, high instrument throughput, low cost and low fault rate.

The invention discloses a folding electric tricycle which comprises an underpan of the tricycle, a main beam, a main beam bracket and a foldable four-bar support. The main beam support is fixed on the underpan of the tricycle, and the main beam and the main beam support are connected through a rotating shaft; the main beam support is provided with stepped holes used for locating and locking an opening of the main beam, and the main support is provided with a through hole matched with the stepped holes; the main beam support is further provided with a clamping jaw used for locking the bottom end of the main beam; the foldable four-bar support comprises four support bars and a saddle supporting plate which form a four-bar structure which can swing in the front-back direction of the tricycle; the saddle supporting plate is provided with two saddle seats which are parallel to each other and are arranged in the front-back direction of the tricycle, and the distance between the saddle seats is larger than the maximum diameter of the main beam, so that the main beam can be downwards placed between the saddle seats when the main beam is folded.

The invention discloses a self-retaining type deadlocking device. The device comprises a basal body; a pin and a swing rod capable of swinging around the pin are arranged on the basal body; one end of a thimble installed on the swing rod is connected with the surface of the basal body through a spring; the other end of the thimble stretches into a motor rotating shaft cavity in the basal body; a motor rotating shaft outside the basal body is inserted into the motor rotating shaft cavity, and can freely rotate in the motor rotating shaft cavity; a coupler with grooves on the surface is fixedly installed on the part of the motor rotating shaft inserted into the motor rotating shaft cavity; and a camshaft cavity is also arranged at the same side of the swing rod, where the motor rotating shaft cavity in the basal body is. According to the self-retaining type deadlocking device disclosed by the invention, when a cam rotates to a protrusion part thereof and cannot reach the swing rod, under the elastic force action of the spring, the thimble and the grooves on the coupler are in abutting joint, so that the motor rotating shaft cannot rotate; therefore, deadlocking of the motor rotating shaft is realized; at this time, under the elastic force action of the spring, the thimble and the grooves on the coupler are always in abutting joint, so that the motor rotating shaft cannot rotate; and thus, the self-retaining deadlocking state without energy consumption can be realized.

The invention provides a direct drive air door mechanism. The direct drive air door mechanism comprises a valve channel (501), a valve plate (502), a valve rotating shaft (503), a first magnetic piece(504), a second magnetic piece (505) and a rotary clamping mechanism, wherein the valve plate (502) is installed on the valve rotating shaft (503), and is capable of closing or opening the valve channel (501) as the valve rotating shaft (503) rotates; the first magnetic piece (504) extends out of the valve rotating shaft (503), and an included angle is formed between the first magnetic piece (504) and the valve plate (502); the second magnetic piece (505) is arranged on the valve rotating shaft (503) and / or the valve plate (502); and the rotary clamping mechanism is connected with the valve rotating shaft (503). The rotation angle and the opening degree of the valve rotating shaft (503) can be detected and controlled by controlling the rotation angle of a rotor (200).

The invention discloses a control rod driving mechanism with a safety protection function. The control rod driving mechanism comprises a rod position detector assembly, a pressure-resistant shell assembly, a claw assembly, a driving rod assembly, a coil assembly and a safety anti-expansion device. A safety protection device comprises a tipping magnetic pole, a tipping locking coil, a tipping spring, a tipping armature, a tipping claw and a transition supporting sleeve. A sealing shell is fixed to the transition supporting sleeve through the tipping magnetic pole, and the transition supportingsleeve is connected with the claw assembly in an assembled mode. The tipping armature is arranged on the transition support sleeve in a sliding manner; one end of the tipping spring elastically abutsagainst the tipping armature, and the other end of the tipping spring elastically abuts against the tipping magnetic pole or the transition supporting sleeve. The tipping claw is arranged on the transition supporting sleeve and is linked with the tipping armature; the driving rod assembly is arranged on the transition supporting sleeve and the tipping magnetic pole in a penetrating manner; the tipping locking coil is installed on the coil assembly, and the tipping armature is in linkage with the tipping claw in the axial sliding process to do pivot swing motion of being engaged with or disengaged from the driving rod assembly. Therefore, the safety function of tipping and locking is achieved, and safe shutdown of the reactor is achieved.

The invention relates to a battery detection device for a new energy automobile, and belongs to the field of electrical performance testing. Through arrangement of a lifting assembly and a self-locking assembly, after a fixed rotating mechanism fixes a battery, an installation connecting mechanism can be deformed and then inserted into two connecting grooves for charging or discharging, so that a third telescopic rod is electrified, and the battery is fixed through the self-locking assembly; when the positive electrode and the negative electrode of the battery make contact with a conductive head, a sliding rod is pushed upwards, connecting rods hinged to the periphery of the sliding rod are squeezed by wedge-shaped grooves, four locking blocks are folded towards the positive electrode and the negative electrode of the battery, the locking blocks clamp the positive electrode and the negative electrode of the battery, and a first L-shaped rod enters along the bevel edge of the bottom end of a first special-shaped groove; the four locking blocks can continuously clamp the positive electrode and the negative electrode of the battery by fixing the position of the sliding rod, and then the electrical performance test of the charging and discharging of the battery is realized through the electrical performance tester, so that the problem that safety accidents are easy to occur due to the fact that the positive electrode and the negative electrode of the battery are manually connected with electric wires is solved.

The invention discloses a disposable safe self-destruction syringe, which comprises an outer cylinder, a needle stand and a push rod, wherein the needle stand consists of an outer circular part and acentral conical part, infusion channels penetrating up and down are formed in the central conical part, and a clamping convex platform is arranged at the bottom of the infusion channel; a collar is formed below the needle stand, the whole collar consists of a central part and a connecting bottom part, an outer flange is formed in the top end of the central part, and a central hole penetrating up and down is formed in the center of the central part; the outer wall of the connecting bottom part is seal and positioned on the inner hole wall of the outer cylinder; and a locking structure formed byan upper locking projection and a lower locking projection is arranged at the lower part of the inner hole of the outer cylinder, the maximum outer diameter of the collar is larger than the inner diameter of the upper locking projection, and the collar can pass over the upper locking projection to realize an upper locking stop with the upper locking projection after being pulled back into the position by the push rod. Self-locking is realized through the collar and the outer cylinder, forward pushing and clamping between the push rod and the outer cylinder are removed, so that the mounting ofthe push rod is facilitated, and the self-destruction of the syringe in advance can be effectively avoided.

The invention discloses a quickly-opened embrasure. The quickly-opened embrasure comprises a bullet-proof steel plate provided with an opening hole and an embrasure body; a guide limiting shaft sleeveis fixedly welded inside the opening hole; the inside of the guide limiting shaft sleeve is movably connected with a rotating shaft; the rotating shaft is connected with one side of a connecting partin a welding manner after extending out of the guide limiting shaft sleeve; the other side of the connecting part is connected with a movable baffle; the outer side of the bullet-proof steel plate isfixedly provided with an external limiting groove corresponding to the embrasure body in a welding manner; the inner side of the guide limiting shaft sleeve is fixedly provided with a handle support;a handle is arranged on the handle support; the handle comprises an eccentric cam and a hand shank; one end of the rotating shaft is hinged with the eccentric cam after protruding out of the handle support; the eccentric cam is provided with an extending limiting surface and a closing limiting surface; the hand shank is pulled to make the movable baffle extend out of the external limiting groovewhen the extending limiting surface of the eccentric cam makes contact with the handle support; and the hand shank is also pulled to make the movable baffle retract into the external limiting groove when the closing limiting surface of the eccentric cam makes contact with the handle support. The quickly-opened embrasure is safe, reliable, and quick and convenient to open.

The invention provides a drawing hanging tool for industrial design. The drawing hanging tool comprises a base, a liftable supporting rod, a supporting plate and an extensible quadrilateral mechanism,and a plurality of universal wheels are mounted on the lower portion of the base; the drawing hanging tool further comprises roller locking mechanisms, each roller locking mechanism comprises a braking mechanism and a driving mechanism, each braking mechanism comprises a clamping member and a positioning strip, each clamping member is pivoted on a wheel frame of the universal wheels, and each positioning strip is arranged at the tail end of the corresponding clamping member; each driving mechanism is mounted on the lower portion of the base and connected with the corresponding clamping memberand can drive the clamping member to rotate to enable the corresponding positioning strip to be clamped in a fixing groove of the wheel frame, and the end of each positioning strip is clamped in a tooth groove of the corresponding wheel on the wheel frame to lock the wheel. By adopting the above structure, the universal wheels can be locked.

The embodiment of the invention provides an angle locking device for a large platform, and belongs to the field of mechanical devices. The angle locking device comprises a supporting frame, a supporting column, and a connecting assembly, wherein the supporting column is in sliding fit with the supporting frame; a locking mechanism is arranged on the supporting frame, the locking mechanism comprises a bolt, the bolt is perpendicular to the sliding direction of the supporting column, and one end of the bolt is movably arranged on the supporting frame in an inserting mode, a plurality of lockingholes are formed in the supporting column at intervals, and the other end of the bolt is arranged any locking hole in an inserting mode; and the connecting assembly comprises two shaft supports, a hinge support and a rotating shaft, wherein the two shaft supports are fixedly arranged at one end of the supporting column, sliding grooves are correspondingly formed in the two shaft supports, the sliding grooves extend in the sliding direction perpendicular to the supporting column, the rotating shaft is rotationally inserted into the hinge support; the two ends of the rotating shaft are correspondingly inserted into the two sliding grooves, the hinge support is arranged between the two shaft supports and is used for being fixedly arranged together with the platform. The angle locking device for the large platform is high in reliability.

The invention discloses a multifunctional portable drawing board. The multifunctional portable drawing board mainly comprises a multifunctional drawing ruler plate part and an angle adjusting part, wherein one part of a bending support rod rack is connected with the multifunctional drawing ruler plate part by virtue of a desktop with a rail; the other part of the bending support rod rack is connected with the angle adjusting part by virtue of parallel sliding blocks; due to the limit of the bending support rod rack, the multifunctional drawing ruler plate part and the angle adjusting part are capable of relatively rotating in a certain angle range by connection of a hinge. The stepless variation of different angles can be obtained in different positions of the sliding blocks in a sliding rail; a mechanism needs to be locked during working; the sliding blocks are locked by using a conical surface clamping manner; meanwhile, one clamping slot is formed in a drawing panel of the multifunctional portable drawing board; a drawing ruler is matched with the clamping slot and is capable of horizontally or vertically moving; the other clamping slot is also formed in the drawing ruler and is matched with sliding insertion blocks; the sliding insertion blocks are capable of linearly moving on the drawing rules; the production of drawings is greatly facilitated.

The invention provides a fault diagnosis method and system for a variable pitch bearing of a wind generating set. The system comprises a fixing assembly used for fixedly connecting a blade flange and a hub flange; the fixing assembly comprises an inner ring and an outer ring, and the outer ring is arranged on the outer side of the inner ring in a sleeving mode; the upper end of the outer ring is connected with the blade flange; the lower end of the inner ring is connected with the hub flange; a bearing ring is embedded in the outer wall of the inner ring, and the outer wall of the bearing ring is fixed on the inner wall of the outer ring; and the bearing ring is provided with a monitoring unit, the monitoring unit is used for monitoring faults of the variable pitch bearing and transmitting monitoring signals to a control center, and the control center is connected with an alarm unit. With the fault diagnosis method and system adopted, the blade falling time can be prolonged, early warning is carried out for workers, so that the workers can perform timely maintenance or replacement, and the safety of the wind generating set after long-term use is improved.

The invention belongs to the technical field of construction and in particular relates to a metro rail paving method. A detachable locking bolt adopted by the method comprises a first screw cap, a first screw and a first nut. The first screw and the first screw cap are coaxially and fixedly mounted on the bottom surface of the first screw cap, and the first screw cap is arranged on an outer layerof the first screw in a sleeving mode; a first through hole penetrating to the bottom surface of the first screw cap is formed in the bottom surface, far away from the first screw cap, of the first screw; a second through hole penetrating to the first through hole is formed in the upper surface of the first screw cap; a locking part is fixedly mounted on the upper surface of the first screw cap; and the other end of a steel wire rope penetrates a mounting plate, the first through hole and the second through hole and is connected to the locking part. By arranging a friction block and an elasticpart to extrude the first nut, the bolt is locked. By arranging the first screw to drive the steel wire to move in the vertical direction, the bolt is convenient to detach, and the using efficiency of the metro rail paving method is improved.

The invention provides an electric locking mechanism of a shock absorption device for a medical bed. The electric locking mechanism comprises a shock absorption outer cylinder, an oil return pipeline,an oil return check valve, an oil return solenoid valve, an oil discharge pipeline, an oil discharge check valve, an oil discharge solenoid valve, a piston, a piston rod, a baffle plate, a cushioningspring, and a sealing ring, wherein the piston is arranged in the shock absorption outer cylinder and is used for dividing the interior of the shock absorption outer cylinder into a first cavity anda second cavity; the two ends of the oil return pipeline are respectively in communication with the first cavity and the second cavity; the oil return check valve and the oil return solenoid valve areconnected to the oil return pipeline in series; the two ends of the oil discharge pipeline are respectively in communication with the first cavity and the second cavity; the oil discharge check valveand the oil discharge solenoid valve are connected to the oil discharge pipeline in series; the piston is connected to the piston rod; and the cushioning spring is arranged on the piston rod in a sleeving manner. The electric locking mechanism solves the problems of complicated operation and insufficient stability of the locking mechanism of the shock absorption device in the prior art.

The invention discloses an automatic docking mechanism for gas water heating device detection equipment, which belongs to the field of gas water heating devices, and comprises a docking male seat matched with a docking female seat, a base, more than two automatic locking mechanisms fixed on the base and positioned on the side surface of the docking male seat, and a male seat driving cylinder, the butt joint male seat is fixed on the base, the automatic locking mechanism comprises a resettable horizontal sinker bar, a power transmission mechanism and a rotary spring bolt, the resettable horizontal sinker bar is connected with the power output end of the power transmission mechanism, and the power output end of the power transmission mechanism is connected with the rotary spring bolt. According to the automatic locking docking mechanism disclosed by the invention, the docking female seat is creatively close to the docking male seat to convert the docking male seat into power for automatic locking, so that the problem that a plurality of air cylinders are required to cooperate in the prior art is avoided.

The invention discloses 400MPa-grade coiled rebar and a preparation method and device thereof, and relates to the technical field of metallurgy. The 400MPa-grade coiled rebar comprises a steel ladle, a connecting ring and an n-shaped plate, the top of the n-shaped plate is fixedly connected with the connecting ring, the connecting ring is connected with an external hoisting structure, the bottom of the n-shaped plate is connected with a rotating structure used for rotating the steel ladle, and the rotating structure comprises a first rotating rod, a first gear ring, the n-shaped plate, a driving motor, a supporting plate, a second rotating rod, a second gear ring, a rotating shaft and a fixing bolt, a connecting structure used for movably connecting the steel ladle is connected between the first rotating rod and the second rotating rod, the outer end of the first rotating rod is connected with a locking structure used for locking the first rotating rod, the locking structure comprises a rotating circular plate, a sliding rod, a fixed plate, a second spring, a fixed ring, a pushing circular ring, a concave plate, a movable block, a connecting rod, a movable tooth block and a fixed tooth block. According to the 400MPa-grade coiled rebar and the preparation method and device thereof, the loading and unloading of the steel ladle are facilitated, and the steel ladle is convenient to replace in actual use.

The invention relates to the technical field of crushing equipment, in particular to a mechanical locking device for a crusher rotary shaft. The mechanical locking device comprises a bearing pressingcover, a lock pin, a bearing seat and a locking blanking cover. The bearing pressing cover is mounted on the rotary shaft, the rotary shaft is mounted in the bearing seat, and a flat key pin hole is formed in the bearing pressing cover. The lock pin comprises a flat key pin, a connecting rod and a limiting block, the connecting rod is connected with the flat key pin and the limiting block, and theflay key pin is arranged in the flat key pin hole. The locking blanking cover is mounted on the bearing seat, a penetrating hole is formed in the locking blanking cover, and the connecting rod penetrates through the penetrating hole. A limiting mechanism is arranged on the locking blanking cover, a limiting hole is formed in the limiting mechanism, and the limiting block is located in the limiting hole. According to the mechanical locking device for the crusher rotary shaft, the problem that a rotary shaft of an existing crusher cannot be locked is solved.

The present invention discloses a rise mechanism of a communication cable bracing piece. The mechanism comprises a support column, a fixed mechanism is fixedly installed at the bottom portion of the support column, a height regulation mechanism is installed at the internal portion of the support column, and a fine tuning mechanism is installed at the upper end of the height regulation mechanism; and a drive mechanism is installed at the upper portion of the support column, the drive mechanism is in transmission connection with the height regulation mechanism, and a dead lock mechanism is installed at the bottom portion of the drive mechanism. A drive gear drives a transmission gear to rotate, and the transmission gear is in engagement transmission with a height regulation rack so that a height regulation rod is driven to lift and the height regulation of the device is achieved, and a connection rod is driven to achieve threaded connection with an external rod so as to perform height regulation at the ground; a fine tuning spring is employed to allow a fine tuning rod to float up and down and can perform fine tuning with the change of the relaxation degree change of a cable so as toavoid damaging of the cable; and a lock dead spring is employed to drive a dead lock pin to rise through a lifting plate so as to achieve dead lock of the drive gear, avoid automatic declination of the height of the device and improve the safety performance.

The invention belongs to the technical field of trundles, and particularly relates to a multifunctional heavy-load dustproof damping universal wheel which comprises a mounting plate, supporting rings,supporting discs, wedge-shaped rings, a connecting ring, an annular sheet, a rivet, first steel balls, a second steel ball, a supporting plate, rollers, a first rotating shaft and brake components. According to the universal wheel, through the combination of the supporting rings, the supporting discs and the first steel balls and the combination of annular arc protrusions, annular bosses and thefirst steel balls, the universal wheel can bear axial loads and radial loads when rotating horizontally, and then the bearing capacity of the universal wheel is improved; the rollers are locked by controlling brake parts, meanwhile, the brake components drive the connecting rings to move upwards, then the wedge-shaped rings are driven to move upwards, then the two side walls of each wedge-shaped ring make contact with the inner wall of the corresponding annular protrusion and the side wall of the corresponding supporting disc correspondingly, then the supporting rings and the supporting discsdo not rotate any more, and horizontal rotation of the universal wheel is locked; and therefore, the universal wheel is prevented from rotating, and the safety of the universal wheel is improved.

The invention discloses a deadlock prevention method for flexible production of an intelligent production line and application of the deadlock prevention method. The deadlock prevention method comprises the following steps: constructing a first strategy, a second strategy, a third strategy and a fourth strategy, wherein the first strategy is used for eliminating redundant sub-functions of the manufacturing agent to destroy an operation loop, the second strategy is used for destroying the operation loop by utilizing the redundant manufacturing agent, the third strategy is used for destroying non-deprivation conditions by utilizing a cache agent, and the fourth strategy is used for destroying cycle waiting conditions by utilizing flow control; and the first strategy, the second strategy, thethird strategy and the fourth strategy are superposed for use according to needs, and deadlock prevention of flexible production of the production line is completed. The four deadlock prevention strategies respectively utilize different resources, do not intersect with one another, can be superposed for use, and can be comprehensively utilized, so that deadlock can be completely avoided, and deadlock prevention of flexible production of the intelligent production line is realized.

The invention discloses a folding electric tricycle which comprises an underpan of the tricycle, a main beam, a main beam bracket and a foldable four-bar support. The main beam support is fixed on the underpan of the tricycle, and the main beam and the main beam support are connected through a rotating shaft; the main beam support is provided with stepped holes used for locating and locking an opening of the main beam, and the main support is provided with a through hole matched with the stepped holes; the main beam support is further provided with a clamping jaw used for locking the bottom end of the main beam; the foldable four-bar support comprises four support bars and a saddle supporting plate which form a four-bar structure which can swing in the front-back direction of the tricycle; the saddle supporting plate is provided with two saddle seats which are parallel to each other and are arranged in the front-back direction of the tricycle, and the distance between the saddle seats is larger than the maximum diameter of the main beam, so that the main beam can be downwards placed between the saddle seats when the main beam is folded.

The invention provides a special cable adapter device for electric appliance engineering, relates to the field of cable connecting pieces, and solves problems that a fastening bolt is easy to loosen after an adapter on mobile joint equipment is utilized for a period of time and a rain-proof structure and the connection strength cannot be organically combined. The special cable adapter device for electrical engineering comprises a socket main body and a rectangular plug, wherein a waterproof sleeve is welded on the socket main body. On one hand, the sleeve main body is drawn outwards and rotated, so a bolt rod and a fastening connecting seat can be screwed through threads, the sleeve main body can be locked by loosening the sleeve main body through an elastic bayonet lock, on the other hand, due to arrangement of the elastic bayonet lock, when the position is narrow, the sleeve main body is inconvenient to draw, the sleeve main body can be directly made to rotate, a bolt rod can be screwed down and the sleeve main body can be locked so that a phenomenon of poor contact caused by loosening of a fastening bolt structure in the use process can be prevented.

A steel wire rope locking device comprises a shell, an eccentric block, a top block, a sealing cover and a steel wire rope. The eccentric block and the top block are arranged in the shell. An eccentric groove is formed in the eccentric body. The top block is arranged in the eccentric groove. The sealing cover is connected with the shell. The steel wire rope is connected with the sealing cover. Thetop block comprises a locking end and a top block body. The top block body extends to the locking end to form an eccentric shaft insertion hole. The locking end is provided with a top block groove and an antiskid protrusion. In the locking state of the steel wire rope locking device, the steel wire rope penetrates through the top block groove of the locking end and is pressed into the top block groove of the top block, the antiskid protrusion of the locking end clamps the steel wire rope, and therefore the top block locks the steel wire rope, wherein an NdFeB magnet is arranged in the top block groove of the top block.

The invention discloses a drilling machine with an assembled power unit. The machine comprises a frame, a drilling machine main machine and a first power unit, a first wheel is arranged on the frame,the drilling machine main machine is arranged on the frame, the first power unit is detachably arranged on the frame, and the first power unit is used for controlling the first wheel to walk. According to the drilling machine with the assembled power unit, the size is small, transition is more convenient when the drilling machine needs to be moved to an operation position, whether a power system is arranged on the drilling machine or not can be selected according to requirements, and therefore diversified choices are provided for users.