178results about How to "Prevent the phenomenon of falling" patented technology

The invention relates to a gain control method and device. The method includes the steps of collecting an output signal of an amplifier; when it is determined that the output signal is at a zero crossing point or is located in an adjacent section of the zero crossing point, controlling an AGC control circuit to output a corresponding gain signal, and controlling gains of the amplifier through a gain control circuit. By means of the scheme, the music playing quality can be improved.

The invention discloses a composite ceramic porous lithium battery diaphragm, a preparation method and application of the composite ceramic porous lithium battery diaphragm. 18-35% of polyethylene, 50-60% of a pore-forming agent, 5-8% of an antioxidant and 3-8% of ceramic particles are served as raw materials, by a process for preparing the diaphragm with a wet method, nanoscale ceramic diaphragmsare uniformly added in the raw material preparing process, the diaphragms are squeezed out and stretched together with a polyethylene raw material, an organic solvent is adopted to dip and remove thepore-forming agent so as to form a diaphragm with a porous structure, and finally the composite ceramic porous lithium battery diaphragm is obtained after using a sizing process. The composite ceramic porous lithium battery diaphragm is completed once by adopting a wet method diaphragm process and ceramic particle mixing, the processing cost of the ceramic diaphragm is greatly reduced, and meanwhile, the high-temperature stability of the lithium battery diaphragm is improved.

The invention provides a real-time monitoring system for a bottom surface of a bridge. The real-time monitoring system comprises a rail mechanism which is arranged at the bottom surface of the bridge, and a detection mechanism which is arranged on the rail mechanism and is used for detecting the actual condition of the bottom surface of the bridge; a main rail is arranged on the bottom surface of the bridge and a secondary rail is arranged at the lower part of a bridge opening and the detection mechanism arranged on the main rail is used for bearing a secondary detection mechanism; the arranged main rail is higher than the vertical height of the secondary rail; the detection mechanism moves on the main rail and the secondary detection mechanism is laid on the secondary rail along the movement direction of the main rail, so that a monitoring test is carried out in all directions and a phenomenon that a detection period is long is avoided; and acquired data information is returned back to a central control room and is subjected to rapid comparison and analysis, so that the problems of the bottom of the bridge are rapidly compared.

The invention provides an antenatal care platform for a pregnant woman, and solves the problem that a deck chair type can only examine the private part of the pregnant woman and cannot enable the pregnant woman to lie flat for other examinations. The device comprises a base, a hip bed board is installed on the top surface of the base, an upper body bed board is rotationally installed on the top surface of the base, and a leg bed board vertically slides at the right end of the base; guide sliding grooves are formed in the front inner wall and the rear inner wall of the base, a guide rack is installed on one side face of each of the two guide sliding grooves, guide gears are rotationally installed on the front side face and the rear side face of the leg bed board respectively, a linkage rodis coaxially connected between the two guide gears, and a driving worm wheel is coaxially and fixedly installed in the middle of the linkage rod; a leg driving motor is fixedly mounted at the bottom of the leg bed board, and a driving worm meshed with the driving worm gear is coaxially mounted on a rotating shaft of the driving motor. By means of the leg bed board sliding in the base, conversion between the bed and the seat can be achieved, and meanwhile, when the leg bed board slides into the base, the two leg supports can be driven to be lifted upwards.

The invention discloses a preparation method of a real stone lacquer not prone to fall sands. The method comprises the following steps: (1) flushing natural color sands with water, immersing the flushed natural color sands in a modification solution, and performing filtration to obtain modified natural color sands; (2) adding nonenylsuccinic anhydride into a silicone acrylic emulsion, performing mixing and uniform stirring, and standing the obtained solution; and (3) adding a polyurethane leveling agent, an antifoaming agent and a film forming additive into deionized water, performing mixing and uniform stirring, adding the obtained solution into the silicone acrylic emulsion, uniformly stirring the obtained solution by a mixer, adding the modified natural sands, and performing mixing andstirring to prepare the finished product. The preparation method of the real stone lacquer not prone to fall sands has the advantages of simplicity in operation, and low cost, and the prepared real stone lacquer has the advantages of strong stability, no layering phenomenon in the storage process, excellent construction performances, excellent resistance to water, corrosion and aging, no sand falling especially after being dried, and maintenance of the decoration and protection effects for a long time.

The invention discloses a plate hammer for overlaying of an impact crusher. The plate hammer comprises a rotor body, a plurality of long-bar-shaped protruding bodies and plate hammer bodies. The long-bar-shaped protruding bodies are evenly distributed on the surface of the outer ring of the rotor body. Grooves are formed in the plate hammer bodies. The long-bar-shaped protruding bodies correspond to the grooves of the plate hammer bodies. Through bolt holes are formed in the long-bar-shaped protruding bodies, and step holes corresponding to the bolt holes are formed in the plate hammer bodies. Bolts penetrate the step holes and the bolt holes and are firmly fixed to lock nuts. Rectangular grooves are formed in the two sides of the surface of each plate hammer body in the axial direction, and abrasion-resisting alloy blocks are arranged in the rectangular grooves in an overlaying manner. According to the plate hammer for overlaying of the impact crusher, the rectangular grooves are formed in the two side faces of each plate hammer body and abrasion-resisting welding rods are arranged in the rectangular grooves in an overlaying manner so that abrasion-resisting layers can be effectively prevented from falling, and the service life of the plate hammer bodies is prolonged; and each plate hammer body is of a symmetric structure so that after one face is abraded, the plate hammer body can be turned round for use of the other face, and the service life is prolonged by double.

The invention discloses a file storage frame for business management. The file storage frame for business management comprises a bottom plate, the two sides of the top of the bottom plate are each fixedly connected with a first stretchable rod, a first placing plate is fixedly connected to the tops of the first stretchable rods, and the two sides of the top of the first placing plate are each fixedly connected with a second stretchable rod. According to the file storage frame for business management, a box body, a spring, a sliding plate, a pulling rod, a pulling plate, an inserting rod, a fixed plate and clamping holes are cooperatively used, and the problem that an existing file storage frame for business management does not have the effect that the storage capacity can be adjusted is solved; the file storage frame for business management has the advantage that the storage capacity can be adjusted; in the using process, when over many files need to be stored, the file storage capacity can be increased by adjusting the height of the storage frame, the phenomenon that files cannot be stored can be avoided, the practicability of the file storage is improved, business management is convenient, and the file storage frame for business management is worthy of application and popularization.

The invention discloses automatic cleaning equipment for a sewage discharge pipeline. The automatic cleaning equipment comprises a box body, a motor penetrates through the bottom of the left side of the box body, and a gear is fixedly connected to the output end of the motor; a gear ring is meshed with the top of the gear, and a threaded sleeve is fixedly connected to the interior of the gear ring; a U-shaped block is arranged at the top of the threaded sleeve. The motor, the gear, the gear ring, the threaded sleeve, the U-shaped block, a connecting block, a threaded rod, a bearing and a movable plate cooperate with one another in use, the problem that the cleaning efficiency of existing automatic cleaning equipment for the sewage discharge pipeline is low is solved, and the automatic cleaning equipment for the sewage discharge pipeline has the advantages of being high in cleaning efficiency. In the use process, a user can conveniently and rapidly clean a sewage pipeline, blockage objects can be cleaned up, the time for cleaning the sewage pipeline is shortened for the user, the operation difficulty of the user is reduced, and the equipment is convenient for the user to use and worthy of application and popularization.

The invention discloses a special mobile plant wall system for a building external wall and relates to a mobile plant wall system. The system is to solve the problem that green lands and open spaces in urban building groups are small in area as a result of limited space to lead to increasing seriousness of urban heat island effect and urban air pollution and the indoor micro-climate cannot be directly improved and adjusted as green belts and central green lands are relatively far from residence. A plurality of connecting pipes in each group of connecting pipes are vertically and coaxially arranged, each connecting pipe is communicated between every two adjacent round pipe bodies, each infiltration pipe body sequentially passes through the plurality of round pipe bodies and the plurality of connecting pipes which are alternately arranged from top to bottom, a plurality of plant growing holes are formed on the wall of each round pipe body, the uppermost round pipe body is the first round pipe body, the lowermost round pipe body is the end round pipe body, a rainwater collecting opening is formed in the top of the first round pipe body, and a rainwater drain outlet is formed in the bottom of the end round pipe body. The system provided by the invention is used for building groups.

The invention relates to a intelligent home line wiring laying pre-fixing device. The winding displacement device comprises a winding displacement plate, a wire guide plate, a blocking frame, a coverplate, a side pressing plate and a locking mechanism. The upper side and the lower side of the middle of the left end of the wiring board and the upper side and the lower side of the right end of thewiring board are each provided with a blocking frame. Concave grooves are formed in the upper side and the lower side of the left end of the wire arrangement plate, wire guide plates are distributed on the upper side and the lower side of the left end of the wire arrangement plate, convex blocks are arranged at the inner ends of the wire guide plates, the convex blocks on the wire guide plates areconnected with the concave grooves in the wire arrangement plate in a matched mode, the wire guide plates are of U-shaped structures, and locking grooves are formed in the wire guide plates; the locking mechanism comprises a locking insertion rod, a locking limiting column, a locking spring, a locking connecting plate and locking wrench teeth. According to the invention, the problem that a bent cable pipe has a certain internal stress after passing through a corner of a cable arrangement groove in a wall surface, so that the cable pipe cannot be stably placed in the cable arrangement groove in the prior art can be solved.

The invention discloses a special casting quenching device for agricultural machines. The special casting quenching device comprises a quenching pool, wherein a first water pipe is communicated with the bottom part of the left side of the quenching pool; one end of the first water pipe, which is separated from the quenching pool, is communicated with a high-pressure pump; a second water pipe is communicated with the top part of the high-pressure pump. The special casting quenching device disclosed by the invention has the beneficial effects that by arrangement and matched use of a suctioning fan, a gas collecting hood, a connecting pipe, a purifying tank, a blowing fan, an air outlet hood, a zeolite molecular sieve plate and an active-carbon absorbing plate, the problem of no waste-gas treatment of the existing special casting quenching device for the agricultural machines is solved; the special casting quenching device for the agricultural machines has the advantage of waste-gas treating capability; in the use process, the sight line of workers can not be influenced, the workers can observe the condition of casting quenching, the quality of the casting quenching is improved, toxicgases also can be prevented from influencing the body health of the workers, and meanwhile the air pollution also can be avoided, so that the special casting quenching device is worthy of being promoted for use.

The invention relates to a hoisting television stand with a retractable function. The hoisting television stand comprises an installation top plate, a lifting device and a protection device, the middle of the installation top plate is provided with an installation hole, the bottom of the left end of the installation top plate is provided with the lifting device, and the protection device is installed at the bottom of the right end of the installation top plate. The lifting device comprises a lifting fixed column, a lifting telescopic column, a motor connecting frame, a rotating motor, a rotating shaft, a rotating gear, a telescopic mechanism, a clamping mechanism and a lifting spring, and the protection device comprises a protection push rod, a protection support, a rotating plate, a protection telescopic plate, a telescopic push rod, a rotating plate angle push rod and a scrubbing mechanism. The problems that the outer end of a television can not be locked, the angle and the directionof the television cannot be adjusted, dust on a television display screen needs to be manually removed, and the television cannot be automatically retracted and protected in the television hoisting using process in the prior art are solved.

The invention is applicable to the technical field of stereoscopic car parking, and discloses a car bearing component, an avoidance-free multi-layer car parking device, and a car parking method and a car picking-up method of the avoidance-free multi-layer car parking device. The avoidance-free multi-layer car parking device comprises the car bearing component, a main upright column, a main longitudinal beam, a lifting mechanism, a rotating mechanism, an auxiliary supporting structure and a support guiding component; the car bearing component comprises a car bearing plate used for bearing a vehicle; at least one primary supporting sliding component which can be laterally hung on the main longitudinal beam or the support guiding component and can slide on the main longitudinal beam or the support guiding component is arranged on one side of the car bearing plate, while a secondary supporting sliding structure which can be supported on the auxiliary supporting structure in a slideable manner and can be separated from the auxiliary supporting structure is arranged on the other side of the car bearing plate. The car bearing component, the avoidance-free multi-layer car parking device, and the car parking method and the car picking-up method of the avoidance-free multi-layer car parking device realize true avoidance-free multi-layer car parking; further, when the vehicle borne by the car bearing plate is moved to a car parking position, two sides of the car bearing plate are both supported; the phenomenon that the vehicle is caused to drop as the strength of a supporting structure of the car bearing plate is insufficient is prevented; the product safe reliability is improved.

The invention relates to the technical field of architectural decoration, in particular to an architectural decoration curtain wall lifting appliance. The architectural decoration curtain wall lifting appliance comprises a main body mechanism, and an extrusion mechanism is mounted on the main body mechanism; the extrusion mechanism abuts against a sliding mechanism; a driving mechanism is mounted in the main body mechanism in a matched manner; and an adjusting mechanism is fixed on the driving mechanism. After an operator places a curtain wall, a tool is used for rotating the extrusion mechanism, then the extrusion mechanism slides in the main body mechanism, the extrusion mechanism abuts against the sliding mechanism, the sliding mechanism can be matched with the extrusion mechanism to limit and fix the curtain wall conveniently when sliding, therefore the phenomenon that the curtain wall falls off during hoisting is prevented advantageously, and meanwhile, the operator can conveniently mount and dismount the curtain wall.

The invention relates to the technical field of charging pile protection, in particular to an angle-adjustable integrated charging pile for a hybrid electric vehicle based on elastic inflection. The angle-adjustable integrated charging pile comprises a charging pile body and an installation device installed at the bottom of the charging pile body, the charging pile body comprises a charging pile shell, one side of the charging pile shell is connected with a charging wire, the other end of the charging wire is connected with a charging gun, and a slot is formed in the side, located on the charging gun, of the charging pile shell; and the slot is in plug-in fit with the charging gun. According to the angle-adjustable integrated charging pile for the hybrid electric vehicle based on elastic inflection, through the arrangement of the mounting device, the angle of the charging pile body can be adjusted through deformation stretching generated by a reset spring, and then the impact force of collision between the charging pile body and the vehicle is reduced; the problem that an existing charging pile is fixedly installed, so that the charging pile is prone to damage due to collision is solved.

The invention discloses a multifunctional simple box sealing device suitable for adhesive tapes with different specifications. The multifunctional simple box sealing device structurally comprises a transparent adhesive tape barrel, a device body, a blade, a long guide roller, a short guide roller and a transparent adhesive tape. The transparent adhesive tape barrel is mechanically connected to oneside of the device body. Compared with the prior art, the multifunctional simple box sealing device has the beneficial effects that the flexibility of a spring and O-type elastic is utilized, so thatthe multifunctional simple box sealing device has the function of caliber size adjusting and is applicable to the transparent adhesive tapes with the different specifications to adapt to boxes with different specifications and seal the boxes, the adhesive tapes are effectively prevented from falling off, and the waste of the adhesive tapes is avoided; the multifunctional simple box sealing devicehas the dust preventing function and can effectively prevent dust from falling onto the adhesive surfaces of the adhesive tapes; and the multifunctional simple box sealing device has the functions ofcompaction and leveling, can compact and level the adhesive tapes attached to the boxes during box sealing, effectively prevent liquid or air from entering spaces among the adhesive tapes and the boxes and forming side gaps and ensure that the boxes are firmly sealed by the adhesive tapes without manual compaction and leveling, and greatly improves the sealing efficiency.

The invention discloses an angle adjusting device for English learning computer, and relates to the technical field of support adjusting devices. According to the device, a first angle adjusting assembly can rotate around the central axis of a telescopic supporting rod assembly so as to adjust the angle; a second angle adjusting assembly can rotate around the central axis of the second angle adjusting assembly so as to adjust the angle, and the central axis of the second angle adjusting assembly and the central axis of the telescopic supporting rod assembly are vertically arranged in space; adamping adjusting assembly is arranged in each of the first angle adjusting assembly and the second angle adjusting assembly, and also arranged between a rotating rod and a fixing base; the damping adjusting assembly can adjust the rotating damping coefficient between the rotating rod and the fixing base, and also can adjust the rotating damping coefficient of the first angle adjusting assembly and the rotating damping coefficient of the second angle adjusting assembly, so that the adjustment of the rotation damping force is realized, and the purpose of conveniently and quickly adjusting the height of the support frame is achieved.

The invention discloses a lifting tool with a protective lock catch. The lifting tool comprises a lifting ring and a lock. Connecting holes are welded to the bottom face of the lifting ring, and a connecting part is connected between the connecting holes through connecting bolts. The lifting tool is provided with a closed ring and the lock, the closed ring can rotate along a rotary shaft and is inserted into the lock, an elastic piece pushes a locking device to pop up through the elasticity of the elastic piece, sawteeth and the locking device are mutually locked, the lifting ring is in a closed shape, and therefore it is avoided that in the lifting process, the risk is caused by shake disengagement of objects; and a manual rotary knob is arranged on the surface of the lock and connected with a rotatable switching part, the switching part rotates to extrude one end of the locking device, the locking device rotates along a rotary shaft of the locking device, the locking device is separated from the sawteeth, the closed ring can be rotated out, thus, the lifting tool is opened, goods are unloaded, the lifting tool is convenient to use and easy to operate and use, and convenience is improved while safety is improved.

The invention discloses a stacking device for power equipment. The stacking device comprises an upright post, a moving device, a lifting rotating device and a clamping device, wherein the moving device is arranged on the top of the upright post; the lifting rotating device is arranged on one side of the moving device and is connected with the moving device; and the clamping device is arranged at the lower end of the lifting rotating device. According to the stacking device, the mobile device and the rotary lifting device can drive the power equipment to move transversely and longitudinally androtate in the circumferential direction, so that the working efficiency of stacking the power equipment is improved, the requirement on the operation space is low, only manual assistance is requiredwhen the power equipment is stacked, the manual workload is greatly reduced, the safety of stacking the power equipment is improved, and potential safety hazards are reduced.

The invention discloses an automatic pillow inner filling machine. The automatic pillow inner filling machine is characterized by consisting of a shell, a conveying mechanism, a control box, a loosening mechanism and a discharging mechanism, wherein the conveying mechanism, the loosening mechanism and the discharging mechanism are sequentially arranged inside the shell from back to forth, a frequency converter is arranged in the control box, the conveying mechanism comprises a conveying curtain and a transmission shaft, the conveying curtain is driven through the transmission shaft, the loosening mechanism comprises a loosening roll and a working roll, the loosening roll is matched with the working roll, the discharging mechanism comprises an air outlet pipe, a fan and a discharging port, the fan is arranged inside the air outlet pipe, the tail end of the air outlet pipe is provided with the discharging port, and an operating platform is arranged in the discharging port. The pillow inner automatic filling machine has the advantages that the structure design is reasonable, the operation is convenient, the performance is stable and reliable, and the automation degree is high, and by using the operating platform, working personnel can conveniently sleeve a filling bag on the discharging port so as to filling stuffing, the working efficiency is greatly improved, and the time and the labor can be saved.

The invention discloses a clamping and transporting manipulator. The clamping and transporting manipulator comprises a base, a rotary seat, a dual-arm mechanism, a vacuum pump, a finger delivery mechanism, a base arc-shaped finger library and two clamping mechanisms; the rotary seat is rotatably mounted on the base; a driving mechanism is arranged on the base and drives the rotary seat to rotate reciprocally; a supporting plate is arranged at the top of the rotary seat; the dual-arm mechanism is arranged on the supporting plate; each clamping mechanism is an electromagnetic fence clamping mechanism; each clamping mechanism comprises an upper fence, a lower fence, two supporting rods and two arc-shaped fingers; an iron core which is wound with an energized coil is arranged in each upper fence; energized wires which are insulated from one another are arranged in each lower fence. The manipulator is high in work efficiency and precision, simple and compact in structure, small in occupied space, wide in application prospect, high in reliability and convenient to maintain; a manipulator part clamps and loses safely, quickly and effectively; the clamping requirements of majority of objects with curve profiles can be met.

The invention provides a shock-absorbing and buffering assembly of a bridge and a monitoring system. The shock-absorbing and buffering assembly of the bridge comprises L-shaped sliding tracks arranged under the bridge, I-shaped steel arranged between the L-shaped sliding tracks, a curved surface arranged on the I-shaped steel, a slider arranged on and cooperating with the curved surface, a base sleeved on the lower part of the I-shaped steel, a track mechanism arranged at the bottom surface of the bridge and a detecting machanism arranged on the track mechanism and used for detecting the actual situation of the bottom surface of the bridge, wherein the L-shaped sliding tracks are connected with the base through springs. The shock-absorbing and buffering assembly of the bridge and the monitoring system have the advantages of realizing the laying of the detecting mechanism from a main track to a secondary track, ensuring the full-scale starting of monitoring tests, avoiding the phenomenon of long detection periods, achieving quick comparison and analysis by sending acquired data and information back to a central control room and finding problems of the bottom of the bridge by the quick comparison.

The invention discloses a packaging and transporting structure for garment processing production. The packaging and transporting structure for garment processing production comprises a box body; the two sides of the box body are each fixedly provided with a gas thinning hole; a dust preventing net is embedded and connected in the gas thinning holes; a pressure bearing plate is fixedly installed onthe inner side of the top of the box body; a groove is fixedly formed in the surface of one side of the pressure bearing plate; a clamping position plate is movably connected in the groove; and one side of the clamping position plate is fixedly connected with a cross rod. According to the packaging and transporting structure for garment processing production, due to a fastening device, fast assembling and disassembling between a box body and a box cover can be achieved, no damage is caused to the box body and the box cover after disassembling, secondary use or repeated use is facilitated, andno pollution is caused to the environment; and due to the gas thinning holes, in the garment transporting process, a good scattering effect can be achieved for pungent smells carried by garment, andunder the effects of the dust preventing net, dust floating in the outside environment cannot enter the box body.

The invention relates to the technical field of emergency escape, in particular to a vehicle wading emergency escape device which comprises a device body, the device body comprises an escape box mainbody, a transparent film is fixedly installed at the bottom end of the escape box main body, and a handle is fixedly installed on one side of the escape box main body. A first fixing plate is fixedlymounted in the escape box main body. By arranging a life buoy body, a blocking mechanism, an inflation mechanism, a transmission mechanism and a window breaking mechanism, a worker knocks a vehicle window through a window breaking hammer; meanwhile, a transmission gear is driven by a meshing gear block to rotate, and finally, a first fixing block and an injection pipeline body can move upwards; hydrogen peroxide and manganese dioxide can be subjected to chemical reaction in the life buoy main body, so that the life buoy main body is expanded; a worker can escape from the life buoy main body, the worker can escape safely when fording into water suddenly, and the safety protection on the worker is improved.