508results about How to "Avoid flipping" patented technology

The invention relates to the technical field of lifesaving equipment, in particular to a lifesaving composite belt for emergency survival, which comprises a first air bag belt, two groups of compressed air tanks are symmetrically mounted on the outer side of the first air bag belt, and first tying ropes are fixedly connected to joints at two ends of the first air bag belt; the backpack assembly comprises a neck buoyancy component and a fixing component, the neck buoyancy component is arranged at the top end of the first air bag belt, and the fixing component is arranged on the neck buoyancy component; a back support assembly; and a leg buoyancy assembly. Through mutual cooperation of the first air bag belt, the compressed air tank, the back supporting assembly and the leg buoyancy assembly, a user floating in water can quickly and conveniently change different floating states according to own requirements, the operation is simple, the survival rate of the user is improved, the two floating modes do not influence each other, and the user experience is improved. The use effect of the two floating modes is better, so that the survival rate of the user is further improved.

The invention relates to the technical field of slope protection, and discloses a municipal water supply and drainage construction slope protection device which is mainly composed of a plurality of vertical protection mechanisms and a transverse protection mechanism, and the vertical protection mechanisms are linearly arranged on the surface of a slope body. A transverse protection mechanism is arranged between the two vertical protection mechanisms, and the two ends of the transverse protection mechanism are connected with the connecting mechanisms. The vertical protection mechanism, the connecting mechanism and the transverse protection mechanism are arranged on the slope body, the vertical protection mechanism is movably connected with the transverse protection mechanism through the connecting mechanism, and due to the fact that the transverse protection mechanism is obliquely arranged, when it rains, rainwater is guided by the transverse protection mechanism, flows into the vertical protection mechanism and then is discharged downwards through the vertical protection mechanism; the amount of rainwater flowing on the surface of the slope body is effectively reduced, the impact force of the rainwater on the surface of the slope body is reduced, and therefore water and soil loss is relieved, and protection on the slope body is improved.

The invention relates to the technical field of hydraulic brake joint detection, and discloses a hydraulic brake joint thread automatic detection device, which comprises a feeding bottom plate arranged on an annular conveying line, a first detection station and a second detection station, a side plate is fixed on the feeding bottom plate, the side plate is rotatably connected with a rotating shaft, and the first detection station and the second detection station are arranged on the feeding bottom plate. A rotating shaft is arranged on the side plate, an overturning seat is fixed at the end part of the rotating shaft, a first rotating groove is formed in the side plate, a gear is rotationally arranged in the first rotating groove, a first toothed plate is meshed on the gear, and a first slide way for the first toothed plate to slide is formed in the side plate; according to the technical scheme, air can be blown into the joint workpiece before the two ends of the joint workpiece are detected, foreign matter in the joint workpiece can be conveniently removed, the detection accuracy can be improved, meanwhile, the overturning base can be overturned, the two ends of the joint workpiece can be conveniently detected, and the detection efficiency is improved.

The invention relates to the technical field of electronic product performance testing, and particularly discloses an electronic product performance testing device based on artificial intelligence and an analysis system thereof.The electronic product performance testing device comprises a mounting sleeve frame, a testing sleeve frame is fixedly connected to the middle of the top of the mounting sleeve frame, and a mechanical arm is fixedly connected to one side of the inner wall of the testing sleeve frame; the bottom end of the mechanical arm is fixedly connected with a clamp; through the arrangement of a placing plate, a first protruding block and a second protruding block, when the device is used, a mechanical arm is used for adjusting a clamp to convey an electronic product placed on the surface of a conveying belt into a sealing sleeve frame in a testing sleeve frame, the placing plate is used for placing the electronic product, a connecting disc drives the second protruding block at the top to rotate, and the second protruding block rotates in the rotating process; the first protruding block is jacked up, so that the placing plate continuously shakes, elastic pads on the two sides of the placing plate are used for limiting, the placing plate can be prevented from overturning, shaking detection is conducted on the electronic product on the top of the placing plate, and therefore the effects of conveniently taking the electronic product and conducting shaking testing are achieved.

The invention belongs to the technical field of welding, and particularly relates to basketball stand welding equipment which comprises a base. The top surface of the base is slidably connected with a pair of supporting columns; the two supporting columns are driven by a lead screw and a servo motor. The top surface of the supporting column is fixedly connected with a connecting frame; a plurality of uniformly arranged bearing plates are fixedly connected to the top surface of the connecting frame; a baffle is installed at the end, close to the center of the connecting frame, of the top face of the bearing plate. The end, away from the baffle, of the top face of the bearing plate is fixedly connected with a hydraulic cylinder. The telescopic end of the hydraulic cylinder is fixedly connected with a push plate; the top surface of the base is fixedly connected with a guide rail; the surface of the guide rail is slidably connected with a welding mechanical arm, the welding mechanical arm is driven by a servo motor, and the welding mechanical arm slides along the surface of the guide rail, so that welding of the top and the bottom of a square pipe is completed, the situation that a user manually takes the square pipe and turns over the square pipe is avoided, and then the process of turning over the square pipe is reduced; therefore, the production efficiency is improved.

The utility model discloses a double-station overturning welding robot, which belongs to the technical field of welding, and is characterized by comprising a processing table and an overturning mechanism, the bottom of the processing table is in bolted connection with an L-shaped supporting leg, and the overturning mechanism is in bolted connection with the rear side of the processing table. The machining table can be matched with the L-shaped supporting legs to support the turnover mechanism, space is provided for turnover of the turnover mechanism, the servo motor can be matched with the supporting base to drive the welding robot body to turn over, and therefore the working position of the welding robot body is changed; according to the welding robot, the welding robot body conducts welding machining on different faces of a workpiece needing to be welded, a clamping frame can be matched with a clamping plate to limit a workpiece clamping mold, an electric screw can be matched with a limiting sliding plate to drive the clamping plate to move towards the clamping frame, and therefore the workpiece needing to be clamped can be clamped; therefore, the workpiece needing to be welded and machined is prevented from turning over.

The invention relates to a seeding device for saffron crocus planting, and aims to realize an efficient, accurate and automatic seeding process, the device comprises a blanking plate, a plurality of seeding mechanisms and a conveying system, each seeding mechanism is provided with a guide hopper, a plurality of brackets, an upper roller and a lower roller, the rollers are in contact with a conveying belt, and the conveying belt is provided with planting sheets; the saffron crocus corm sowing device is used for bearing and conveying saffron crocus corms, the device drives the rolling wheels and the conveying belt to rotate synchronously through the motor, stable conveying and accurate sowing of the saffron crocus corms are achieved, automation and high efficiency of the sowing process are achieved, the sowing efficiency is remarkably improved, and the labor intensity of workers is reduced; through accurate corm positioning and conveying, the integrity of the bud ends of the corms is guaranteed, and the germination rate and the growth quality after planting are improved; a stable and reliable conveying system and an optimized soil treatment mechanism are adopted, so that the continuity of the seeding process and the uniformity of soil coverage are ensured.

The invention relates to the technical field of hot stamping, in particular to a hot stamping forming steel plate high-temperature stamping forming table and a control method thereof.The hot stamping forming steel plate high-temperature stamping forming table comprises a bottom frame, an upper stamping die and a lower stamping die, and stamping grooves are formed in the upper end and the lower end of the lower stamping die; a lower stamping die is installed in the support base through a connecting piece and a second fixing shaft, an upper stamping die is arranged at the upper end of the lower stamping die, the upper end of the upper stamping die is fixedly connected with the moving end of the hydraulic push rod through a bolt, positioning mechanisms are arranged on the two sides of the lower stamping die, and a driving mechanism is arranged on one side of each positioning mechanism. According to the double-sided stamping lower die, after stamping is completed once, the double-sided stamping lower die can be turned over, then automatic discharging can be achieved, meanwhile, the cooling duration of the stamping lower die in the continuous stamping process can be prolonged, and the situation that due to overheating of the stamping lower die, the double-sided stamping lower die cannot be cooled easily can be effectively reduced. And the service life is influenced due to aggravated abrasion.

The utility model discloses a pipeline supporting, welding and machining device which comprises a welding tool mechanism, the welding tool mechanism comprises sliding rails arranged on the two sides at intervals, and supporting assemblies for supporting, locking and positioning a pipeline are arranged on the sliding rails in a rolling mode respectively; the supporting assembly comprises an outer overturning tool rolling on the sliding rail, and a clamping component for locking a pipeline is fixedly connected into the outer overturning tool. The two ends of the pipeline are supported and positioned on the supporting assemblies on the sliding rails on the two sides correspondingly. The two sides of the sliding rail are assembled and connected with pushing assemblies for pushing the outer overturning tool to roll respectively, each pushing assembly comprises a pushing wheel abutting against the lower end of the side wall of the outer overturning tool, the pushing wheel assembly is connected with a pushing wheel frame, and the pushing wheel frame assembly is connected with a hydraulic cylinder. According to the device, the pushing assemblies on the two sides of the outer overturning tool are cooperated and matched, so that the outer overturning tool is overturned towards different directions, and the flexibility and the high efficiency in the welding process are improved. When the push wheels on the two sides abut against each other, the outer overturning tool is kept to be pressed and locked, and the operation safety is improved.

The invention belongs to agricultural machinery, and mainly relates to an efficient ridge crop root straw crushing, ridge moving and field covering device which comprises a rack, a root straw collecting device, a root straw crushing device and a ridge moving device. According to the root straw collecting device, straw pulling tooth sets of three different angles and types are installed to be attached to the furrow shape to pick up straw, and the stubble cleaning quality is improved through a root digging cutter with the throwing action; according to the root straw crushing device, two crushing rollers and a crushing spiral shell rotate in the opposite direction and rotate at the same time through planet wheels, three crushing cutters are meshed with one another, root straw is crushed more efficiently, and the crushed root straw is blown into furrows through a fan; according to the ridge moving device, soil of ridges on the two adjacent sides of a furrow is flatly pushed to the furrow through planet wheels to form new ridges, the new ridges are subjected to viscosity reduction and suppression through the buffering effect of roller protrusions, broken root straw covering and returning to the field are completed, soil turning is avoided, and soil moisture conservation is effectively achieved.

The invention provides an air-drop data acquisition test device which comprises a projectile body, a projectile body empennage arranged at the tail of the projectile body and a power supply assembly arranged in the projectile body, a product to be tested and a data recorder are arranged at the bottom of the projectile body, the data recorder is connected with the product to be tested through an adapter, and the adapter is connected with the power supply assembly. The adapter is connected with the bottom of the projectile body so that the relative position of the to-be-tested product and the data recorder can be kept stable in the air-drop test process, and the adapter is connected with the bottom of the projectile body. The data recorder is simple in structure, convenient to operate, low in cost, easy to disassemble and assemble, high in repeated utilization rate and high in interchangeability, various data in the air-drop process can be directly collected and stored, it is guaranteed that the data recorder keeps stable and reliable in the air-drop data collection process, the failure of the data recorder in the complex atmosphere (pneumatic) environment of an air-drop test is avoided, and the data recorder is safe and reliable. And stable communication transmission between the to-be-tested product and the data recorder in the air-drop test process is ensured.

The invention provides a biped robot standing balance control method based on MPC, and relates to the technical field of robots. The method comprises the following steps: S1, acquiring an external reference signal in a future T time interval; s2, acquiring a current robot state through state estimation; s3, constructing a robot centroid dynamics prediction model based on a single rigid body model, setting a grounding sliding constraint and a sole overturning constraint, and converting a problem into a QP problem for solving; s4, solving an optimal input sequence according to an external reference signal and a robot state; s5, retaining the first-step supporting force and the moment of force of the optimal sequence, and abandoning the predicted values of the remaining steps; s6, calculating a force jacobian matrix of the robot; and S7, the supporting force and the torque are mapped to the joints and issued to all motors. The ground reaction force during standing is directly calculated through the MPC, the supporting force and torque distribution of the two feet are optimized, the precision and stability of balance control are improved, frequent state switching is avoided, foot sole overturning is effectively prevented, and the safety and reliability of the system are enhanced.

The utility model discloses a polishing device for tempered glass processing, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a support frame, the top of the support frame is provided with a polishing mechanism for polishing tempered glass, and the surface of the support frame is provided with an overturning mechanism for overturning the tempered glass. The turnover mechanism comprises a turnover assembly, the turnover assembly comprises a supporting plate installed on the surface of the supporting frame, one side of the supporting plate is fixedly connected with a driving air cylinder, and one side of the driving air cylinder is fixedly connected with a sliding plate through a piston rod. According to the polishing device for tempered glass processing, under the driving of the driving air cylinder, the transmission plate, the transmission column, the fixing frame and the fixed tempered glass are turned over by 180 degrees, so that the front and back faces of the tempered glass are conveniently polished, the situation that the tempered glass is turned over manually is avoided, and then the working efficiency is improved.

The invention discloses lead-free piezoelectric ceramic with high mechanical quality factor and high vibration velocity stability and a preparation method of the lead-free piezoelectric ceramic, belongs to the field of functional ceramic materials, and particularly relates to the lead-free piezoelectric ceramic with the high mechanical quality factor and the high vibration velocity stability and the preparation method of the lead-free piezoelectric ceramic. The invention aims to solve the problems of low mechanical quality factor and poor high vibration velocity stability of the existing BNT-based ceramic. A two-step pre-sintering process is utilized, A2CO3 and B2O3 are introduced into sodium bismuth titanate ceramic at the same time, the pseudo perovskite piezoelectric ceramic is constructed through valence design, x in the formula represents the mole fraction, and x is larger than or equal to 0.01 and smaller than or equal to 0.08; the element A is selected from one of Ca, Sr and Ba with the ion valence state being divalent, and the element B is selected from one of Co, Sc, Ga, In, Cr, Mn and Fe with the ion valence state being trivalent. The high vibration velocity stability of the prepared lead-free ceramic is superior to that of lead-based ceramic, so that the lead-free ceramic has huge potential in the field of power type piezoelectric application.

The electrified rope reel for the pasture comprises a rope winding wheel, the rope winding wheel is rotationally connected to the middle of a support, the center of the rope winding wheel is connected with a rocker for driving the rocker to rotate, and the rocker penetrates through the support and is detachably connected with the rope winding wheel; the support is of a U-shaped structure and is arranged on the rope winding wheel in a crossing mode in the axis direction of the rope winding wheel, the middles of the two sides of the support are connected with the rope winding wheel, and the open end is connected with the rope guide frame. The rope guide frame is of a U-shaped structure, the opening direction of the rope guide frame is opposite to the opening direction of the support, the bottom of the rope guide frame is parallel to the axis of the rope winding wheel, and a rope guide hole with the length parallel to the axis of the rope winding wheel is formed in the rope guide frame. Knotting or disorder of the electrified rope in the process of winding or laying the electrified rope is avoided, and the regularity and efficiency of winding or laying the electrified rope are improved.

The invention discloses an upper cover assembly applied to a breathing humidifying therapeutic apparatus and a machine body arranged on the breathing humidifying therapeutic apparatus, the upper cover assembly comprises a cover body and further comprises a lifting part movably connected with the cover body, the lifting part comprises a holding part and a connecting part rotatably connected with the cover body, the lifting part has a lifting position and a storage position, and the holding part is connected with the connecting part. The lifting piece can be switched from the storage position to the lifting position in the first rotating direction and can be switched from the lifting position to the storage position in the second rotating direction. When the lifting piece is located at the lifting position, the projection of the holding part in the vertical direction coincides with the gravity center of the machine body. When the lifting piece is located at the lifting position, the projection of the holding part in the vertical direction coincides with the gravity center of the machine body, so that when a user lifts the therapeutic instrument to move, the force application position of the user on the lifting piece and the gravity center of the machine body are located on the same vertical plane, and the stability of the therapeutic instrument in the transferring process is improved; therefore, the therapeutic apparatus is prevented from shaking and even toppling due to the unbalanced torque effect.

The utility model discloses a glass curtain wall hoisting tool, which relates to the field of building wall decoration construction, and comprises a hoisting frame, a turnover mechanism and a grabbing unit, the hoisting frame is formed by welding two transverse beams and two longitudinal beams, a connecting seat is arranged between the two transverse beams, and the two longitudinal beams are arranged on the connecting seat. The grabbing unit comprises a vacuum generator, an adjusting assembly and two sleeves arranged in parallel, two sliding sleeves are installed at the tops of the sleeves, and the sliding sleeves are arranged on the transverse beams in a sleeving mode. The vacuum generator is started to enable the four suction cups to suck the glass curtain wall, so that the stability of the glass curtain wall in the hoisting process is guaranteed, and the glass curtain wall is prevented from being damaged. And after the glass curtain wall is hoisted to a proper height, the glass curtain wall is overturned by 90 degrees by starting the driving motor, so that the glass curtain wall is erected, the glass curtain wall can be hoisted to a mounting point by hoisting equipment to be mounted, and the tool is simple, flexible and convenient to operate, can greatly save manpower and solves the problem that a high-altitude working surface is limited.

The invention discloses a reseeding device for ecological restoration and treatment of degraded grassland grassland, and belongs to the technical field of grassland seeding equipment. The reseeding device for ecological restoration and treatment of the degraded grassland comprises a vehicle body and a hopper used for throwing grass seeds, and further comprises an outer pipeline connected with the vehicle body through a pivot; when the bottom end of the spiral plate is inserted into soil, the outer pipeline is driven to rotate, and the soil can drive the outer pipeline to move downwards through the spiral plate; a first material through hole is formed in the side wall of the bottom end of the inner pipeline, and a pipe hole of the inner pipeline communicates with a pipe hole of the outer pipeline through the first material through hole; the large end face of the conical body can be attached to the bottom end of a pipe hole of an outer pipeline; and the lifting mechanism is used for driving the inner pipeline to move in the vertical direction relative to the outer pipeline. According to the reseeding device for ecological restoration and treatment of the degraded grassland, when reseeding is carried out on defect positions on the degraded grassland, the grassland does not need to be turned over, so that damage to surrounding grassland caused by reseeding of grass seeds can be avoided, and further degradation of the grassland is prevented.

The utility model provides a cleaning device for seedling raising trays, which comprises a frame, side plates symmetrically arranged on two sides above the frame, a plurality of conveying rollers arranged at two ends of each side plate, a plurality of conveying rollers arranged in the middle of each side plate, a cleaning component arranged in the middle of the frame, and a drying component arranged on one side of the cleaning component. According to the device, impurities and residues in the seedling raising plate can be efficiently removed, and the cleaning quality and efficiency are remarkably improved. The drying device can ensure that the cleaned seedling raising trays can be dried quickly, bacterial breeding or diseases possibly caused by water retention during subsequent storage are avoided, the seedling raising trays are pressed by the pressing wheel assembly in the cleaning process, the seedling raising trays are effectively prevented from overturning or shifting under the impact of high-pressure water flow, the stability and reliability of the cleaning process are guaranteed, and the service life of the seedling raising trays is prolonged. According to the device, the automatic and continuous cleaning process is achieved, the labor intensity is relieved, the working efficiency is improved, and the problems that a traditional large cleaning pool is not thorough enough in cleaning of the seedling raising plates and sludge at the bottom is difficult to clean are solved.

The utility model relates to the technical field of fine blanking of gears, in particular to a die for fine blanking of gears, which comprises a bottom plate, two fixing plates are fixedly mounted at the top of the bottom plate, a rotating plate is movably connected to one side of the outer surface of each fixing plate, and a plurality of lower die grooves are formed in the top of the rotating plate. And one end of the rotating plate is fixedly connected with a disc. According to the fine blanking device, the push rod of the oil press starts to quickly push the upper die, the upper die extrudes fine blanking materials into the lower die groove, after a gear is formed, the rotating plate is prevented from overturning and shaking during stamping, the disc is driven to rotate, the rotating plate is driven to rotate while the disc rotates, and the cylinder drives the conveying belt to rotate and convey. And the formed gear is transmitted to the collecting box, and a worker can detach the bolt from the reinforcing block and take out the gear in the collecting box, so that the fine blanking die is more perfect, demolding can be performed in time after fine blanking is completed, the fine blanking efficiency is improved, and the gear production progress is accelerated.

The utility model relates to the technical field of overhead working trucks, in particular to an overhead working truck with a remote service system, which comprises a remote overhead working truck body, and the remote overhead working truck body is composed of a truck body and a scissor lift. Winding mechanisms are arranged on the two sides, close to the bottom end of the shear fork type lifter, of the vehicle body correspondingly, and a transmission mechanism is arranged on one side of each winding mechanism. The double-shaft motor, the winches, the traction rope and the scissor lift are used in cooperation, the driving gear and the driven gear are in meshed transmission to control the winch on the right side to reversely release the traction rope, the other end of the double-shaft motor drives the worm to rotate, the worm drives the lead screw to rotate through the worm gear, and the lead screw controls the scissor lift to rise after rotating. In this way, in the lifting process of the scissor lift, the traction rope is synchronously wound and unwound, the traction rope can pull the two ends of the scissor lift after the scissor lift is lifted, and the scissor lift is more stable in structure in strong wind weather.

The invention belongs to the technical field of engineering machinery vehicle structure machining, and discloses a machining platform for engineering machinery vehicle structural parts, which comprises a workbench, a motor is mounted at the bottom of the workbench, the output end of the motor penetrates through the workbench and is fixedly connected with a rotating shaft, and a connecting disc is fixedly arranged at one end, away from the motor, of the rotating shaft. And the top of the connecting disc penetrates through the workbench and is fixedly connected with a placing frame I. When the connecting disc is opened, a welding head is firstly started to weld the connecting part of the oil tank lower half part and the oil tank upper half part, and when the placing frame I rotates, an L-shaped supporting rod and a limiting sliding rod can be driven to slide in a sliding groove; when an L-shaped supporting rod and a limiting sliding rod slide in a sliding groove, the L-shaped supporting rod drives a limiting plate and a second mounting plate to slide in a limiting groove, a spring is compressed, a welding head can be attached to the welding position of the oil tank all the time when the oil tank rotates, and the problem that welding on one face of the oil tank needs to be manually turned over is solved.

The invention relates to the technical field of welding equipment, in particular to a welding machine with a fixing clamp, which comprises a support frame and a welding mechanism, and further comprises a workpiece fixing assembly, the workpiece fixing assembly comprises a placing frame and the fixing clamp, and the fixing clamp is used for fixing two workpieces at preset positions; the movable turnover assembly is installed on the supporting frame and used for driving the containing frame to move in the X-axis direction and turn over by 180 degrees, so that the containing frame can be switched between a first position with the front face facing upwards and a second position with the back face facing upwards; and the two telescopic limiting assemblies are installed on the supporting frame and located below the first position and the second position correspondingly, and the telescopic limiting assemblies can stretch out or retract in the vertical direction so as to conduct overturning limiting or release overturning limiting on the containing frame. Automatic overturning and double-face welding of the workpiece are achieved, the welding efficiency and the welding quality are improved, and the labor intensity and the safety risk are reduced.

The invention relates to a doorsill assembly, a vehicle body structure and a vehicle. The doorsill assembly comprises a doorsill inner plate, a doorsill outer plate and a reinforcing plate. The threshold inner plate and the threshold outer plate are connected and define an energy absorption cavity. The reinforcing plate is arranged in the energy absorption cavity, and the two opposite sides of the reinforcing plate are connected with the threshold inner plate and the threshold outer plate correspondingly. A connecting support is arranged at the bottom of the reinforcing plate and connected with the doorsill outer plate. The two opposite sides of the reinforcing plate are connected with the doorsill inner plate and the doorsill outer plate correspondingly, meanwhile, the bottom of the reinforcing plate is provided with a connecting support connected with the doorsill outer plate, at least three connecting and fixing points are arranged between the reinforcing plate and the doorsill outer plate and between the reinforcing plate and the doorsill inner plate, the position of the reinforcing plate in the energy absorption cavity is more reliable, the reinforcing plate is prevented from turning over, and the service life of the doorsill is prolonged. Therefore, collision energy can be transmitted to the reinforcing plate from the doorsill outer plate and then transmitted to the doorsill inner plate, so that the energy absorption effect of the doorsill assembly is improved, the collision intrusion amount is reduced, and the safety performance of the vehicle can be improved.

The bag feeding structure for the bag feeding type packaging machine convenient for conveying the packaging bags comprises a mounting bracket, a mounting plate is arranged at the rear end of the mounting bracket, a bag discharging assembly is fixedly mounted on the top surface of the mounting plate, the bag discharging assembly comprises a material storage box, a placing plate is arranged at the front end of the mounting bracket, and a connecting frame is arranged right above the placing plate; a rotating assembly is fixedly installed in the connecting frame and comprises a fixing base, a rotating disc is rotationally connected to the center of the front end face of the fixing base, and two adsorption assemblies used for adsorbing packaging bags are movably connected to the front end face of the rotating disc in an up-down symmetrical mode. The two adsorption assemblies are driven by the rotating assembly to rotate to sequentially adsorb and transport packaging bags, the working efficiency is greatly improved, the end face of the suction cup support and the containing plate are always kept horizontal through the single-side double-connecting-rod design, vacuum suction cups are prevented from being overturned, and the stability of the device is enhanced; meanwhile, the distance between the bottom end of the movable baffle and the surface of the inclined plate can be adjusted according to the thicknesses of different packaging bags, and practicability of the device is enhanced.

The invention discloses a transportation device and method for a roof photovoltaic module, and solves the problems that in the prior art, roof photovoltaic installation mostly adopts a mode of combining crane concentrated material stacking and manual material scattering, the requirement for roof bearing capacity is high, and the manual work intensity is large. The transporting device for the roof photovoltaic modules has the beneficial effect of improving the transporting efficiency and the construction efficiency of the photovoltaic modules on a roof, and according to the specific scheme, the transporting device for the roof photovoltaic modules comprises a track laid on the roof and an anti-falling mechanism installed at a ridge, and a bracket vehicle body used for supporting the multiple photovoltaic modules can move along the track; the anti-falling mechanism is connected with the bracket vehicle body, the bracket vehicle body is connected with the traction mechanism through the guide mechanisms, the traction mechanism is fixed to the ground, the guide mechanisms are arranged at multiple positions, the first guide mechanism and the second guide mechanism are located on the two opposite sides of the rail in the width direction, and the third guide mechanism is located between the bracket vehicle body and the traction mechanism. A first steel wire rope and a second steel wire rope with opposite moving directions are wound on the traction mechanism.

The utility model relates to the technical field of metal plates, and discloses a metal plate polishing device which comprises a polishing box, two first threaded rods are rotationally connected to the inner walls of the two sides of the polishing box, a polishing driving device is arranged between the two first threaded rods, and the polishing driving device is in threaded connection with the two first threaded rods. A polishing table is fixedly connected to the inner wall of the bottom of the polishing box, two supporting seats are symmetrically and fixedly connected to the outer walls of the two sides of the polishing table, fixing seats are rotatably connected to the outer walls of the two supporting seats, second threaded rods are rotatably connected to the inner walls of the fixing seats, and clamping plates are in threaded connection to the outer walls of the second threaded rods; according to the metal plate polishing device, a metal plate can be clamped and fixed, the polishing stability of the metal plate is improved, meanwhile, the situation that the metal plate is turned over manually is avoided, and then the polishing efficiency of the metal plate is improved.

The utility model discloses a line-driven bionic frog robot which comprises a body and further comprises a jumping mechanism, and relates to the technical field of bionic robots. According to the line-driven bionic frog robot, the stability of the robot during jumping can be improved through the first shank and the second shank, during use, the incomplete gear driving mechanism is started to pull the first shank and the second shank to move so that the spring can be lengthened, and meanwhile the first shank and the second shank can drive the first gear leg and the second gear leg to move; when the incomplete gear driving mechanism is loosened, the first shank and the second shank can be driven to reset and release elastic force through the tension of the spring, jumping is achieved through the sole, and the connecting mode of the first gear leg, the second gear leg, the first shank and the second shank enables the robot to have only one degree of freedom and the movement direction to be constant. The stability of elastic force release of the jumping mechanism is guaranteed, meanwhile, the body is prevented from turning over, stable jumping without turning in the air in a stable take-off posture is achieved, and the stability of the device during jumping is improved.

The utility model belongs to the technical field of seat cushions, and particularly relates to a seat cushion which comprises a seat plate and a backrest which can be folded relatively, a connecting groove is formed below the seat plate, the backrest comprises a backup plate and a connecting seat which are integrally arranged, the backup plate and the connecting seat are arranged in an L shape, and the connecting seat extends towards the lower portion of the seat plate and is rotationally connected with the connecting groove. A locking device is arranged between the connecting seat and the seat plate, and the locking device is respectively connected with the connecting seat and the seat plate, so that the connecting seat and the seat plate are relatively fixed, the seat plate and the backrest are kept in an unfolded state, and the cushion is simple in structure and convenient to use.

The utility model relates to the technical field of retaining walls, in particular to an anti-impact retaining wall which comprises a retaining wall body, a counterweight mounting plate fixedly connected to the bottom of one side of the retaining wall body, an inserting bottom plate fixedly connected to the bottom of the counterweight mounting plate, a reinforcing vertical plate fixedly connected to the surface of the retaining wall body, and reinforcing transverse plates fixedly connected to the two sides of the reinforcing vertical plate. An adjusting groove is formed in the top of the reinforcing vertical plate, a fixing rod is fixedly connected to the inner wall of the adjusting groove, an adjusting pipe is in threaded connection with the surface of the fixing rod, and a heightening wall body is movably connected to the top of one side of the retaining wall through a hinge; when the retaining wall is used, the strength of the retaining wall can be improved through the reinforcing vertical plates and the reinforcing transverse plates, then the impact resistance of the retaining wall can be improved, then personnel need to turn over and heighten the wall body and turn over the wall body to the top of the retaining wall, and then the overall height of the wall body can be increased; and moreover, the operation steps are simple, and convenience is provided for the personnel to use.