83results about How to "Avoid bouncing" patented technology

The utility model discloses a movable underground tunneling supporting device, which belongs to the technical field of coal mine tunneling supporting devices and comprises supporting vertical plates oppositely arranged on two sides, the upper ends of the supporting vertical plates on the two sides are detachably connected with supporting semi-arc plates, and the bottoms of the supporting vertical plates on the two sides are detachably connected with universal wheels. Fixing assemblies are installed at the bottoms of the supporting vertical plates on the two sides, the supporting device is fixed to the original position through the fixing assemblies, inner concave faces are arranged on the outer walls of the supporting semi-arc plates on the two sides, semi-arc air cushions are detachably connected to the interiors of the inner concave faces on the two sides, air exists in the arranged semi-arc air cushions, the surfaces of the semi-arc air cushions are stressed and deformed when broken stones fall down, and therefore the broken stones are prevented from falling off. Large resilience force cannot be generated, impact force of broken stones can be buffered and then fall down towards the two sides, and therefore the situation that workers are injured due to the fact that the broken stones bounce up can be avoided.

The invention relates to the technical field of gordon euryale seed crushing, and particularly discloses a gordon euryale seed crushing and screening device and method. The number of the crushing rollers is two, and the two crushing rollers are horizontally arranged at the upper part of the crushing box; the occlusion strips are fixedly connected to the outer walls of the two crushing rollers, and when the occlusion strips on the two crushing rollers are occluded with each other, the gordon euryale seed particles can be crushed into fine particles; and the two driving rollers are mounted in the middles of the two crushing rollers correspondingly. According to the gordon euryale seed crushing device, the two crushing rollers are arranged, when gordon euryale seeds need to be crushed, the gordon euryale seeds are placed between the two crushing rollers, the gordon euryale seeds are extruded and crushed by the occlusion strips on the crushing rollers, the gordon euryale seeds are extruded into fine particles, the crushing effect is achieved, and due to the fact that the occlusion strips on the two crushing rollers are in an occlusion state all the time, the gordon euryale seeds are crushed. Therefore, the gordon euryale seeds cannot be directly taken out by the crushing rollers, and each gordon euryale seed can be extruded and crushed.

The utility model relates to the technical field of spring installation, in particular to automatic spring installation equipment which comprises a frame body, a spring clamping structure and a spring arrangement structure located under the spring clamping structure, the spring clamping structure comprises a spring clamping assembly, and the spring clamping assembly comprises a driving air cylinder. The two output ends are arranged on the same end face of the driving air cylinder, clamping jaws are fixedly connected to the output ends, clamping grooves are formed in the lower ends of the clamping jaws, a pressing rod capable of moving up and down is arranged between the two clamping jaws, and a pressing groove used in cooperation with a spring is formed in the pressing rod. The problem that the spring is inconvenient to compress and mount manually in the prior art is effectively solved; the feeding amount of the spring in the vertical direction is limited through the pressing rod and the pressing groove formed in the pressing rod, the spring is prevented from bouncing up in the pressing process, and the two clamping jaws capable of moving oppositely or oppositely clamp and fix the spring.

The utility model provides a deep sea net cage grouper delivery promoting device which comprises a machine frame, a floating block and a net cage, a moving mechanism is arranged at the bottom of the machine frame, the bottom of the machine frame is connected with a supporting plate, wire winding mechanisms are arranged at the two ends of the supporting plate respectively, the wire winding mechanisms are connected with a fishing net bag through pull ropes, a discharge pipe is arranged on the side face of the bottom of the fishing net bag, and a valve is arranged on the discharge pipe. A fixed supporting frame is arranged on the top surface of the floating block, a guide groove is formed in the top of the fixed supporting frame, a net cover is arranged on the top of the guide groove, a first pressing plate is connected to the inner wall of the fixed supporting frame through a first electric push rod, a horizontal plate is connected to the top of the supporting frame and slidably connected with a movable supporting frame, and a second pressing plate is connected to the inner wall of the movable supporting frame through a second electric push rod. According to the grouper fishing device, the fishing net bag is driven by the line winding mechanism to fish groupers, the working efficiency is improved, the two ends of the groupers are fixed through the first pressing plate and the second pressing plate, the groupers are prevented from jumping in the process of injecting the delivery promoting medicine, the amount of the injected medicine is guaranteed, and the delivery promoting effect is improved.

The utility model discloses a battery box frame stretch-bending processing device, which relates to the technical field of battery box frame processing and comprises a device seat group and an adjusting component, the adjusting component is horizontally mounted in the middle of the inside of the device seat group, one side of the adjusting component is connected with a stretch-bending mechanism, and a fixing unit is mounted on one side of the top of the stretch-bending mechanism. According to the battery box frame stretch-bending machining equipment, the protective baffle and the side baffles which are made of transparent composite materials are vertically installed on the periphery of the equipment base set, effective structural protection can be conducted during production and machining operation, and risks possibly generated during battery box frame machining are prevented; in addition, the stretch bending mechanism is used in cooperation with the adjusting assembly, rotation adjustment can be conducted within a certain horizontal range, different machining treatment can be achieved in cooperation with movable clamping of the fixing unit, and therefore the flexibility and stability of the device structure are guaranteed.

The utility model belongs to the technical field of ditch cover plates, and discloses a grating ditch cover plate for a drainage ditch, which comprises a ditch cover plate main body and a supporting mechanism, and through holes are formed in the inner walls of the left side and the right side of the supporting mechanism. A cleaning mechanism for rapidly cleaning garbage accumulated in the ditch cover plate body is rotationally connected into the two through holes of the supporting mechanism in a damping mode, a limiting mechanism is arranged in the cleaning mechanism, the supporting mechanism is installed on the lower surface of the ditch cover plate body, and a protection mechanism is arranged in the supporting mechanism; the supporting mechanism is started to drive the cleaning mechanism to move and push garbage accumulated in the multiple sets of grooves of the ditch cover plate body to move out of the multiple sets of grooves of the ditch cover plate body, so that subsequent workers do not need to manually clean the garbage accumulated in the multiple sets of grooves of the ditch cover plate body when cleaning the garbage accumulated in the multiple sets of grooves of the ditch cover plate body; and therefore, the comfort of subsequent workers in cleaning the trench cover plate main body is improved.

The utility model relates to the technical field of anti-falling lock catch devices, in particular to an anti-falling lock catch device for a battery of an electric sports car. The storage box has the advantages that when a battery is pushed in through the lead-in opening, the transmission shaft and the semicircular clamping block are pushed into the circular bayonet, and then the transmission shaft and the semicircular clamping block can be driven to rotate by rotating and retracting the pulling handle to the inner wall of the storage groove, so that the transmission shaft and the semicircular clamping block are transversely arranged at the top of the inner wall of the circular bayonet, and the upward degree of freedom is limited; the anti-disengaging lock catch structure is convenient to operate, locking and unlocking can be completed only by controlling the pulling handle to rotate with one hand, the unlocking action and the unlocking action are continuous, operation is smoother and more convenient, efficiency is improved, the winding force of the coil spring can automatically drive the transmission shaft to rotate through the winding force, the pulling handle can be automatically retracted, and the anti-disengaging lock catch structure is convenient to use. And meanwhile, by pulling the counterweight filler on the inner wall of the handle, the lifting resistance can be improved after locking, and the situation that the handle is bounced due to vibration is prevented.

The invention discloses a platform extension anti-falling device in the technical field of extension platforms, the platform extension anti-falling device comprises an anti-falling frame and a plurality of slow descending mechanisms, the anti-falling frame is fixedly connected with a connecting plate, and the connecting plate is used for transversely fixing the anti-falling frame to the edge of an extension platform; the multiple slow descending mechanisms are evenly arranged on the edge of the anti-falling frame in a surrounding mode at intervals, the bottoms of the multiple slow descending mechanisms are connected with the same safety net, and the slow descending mechanisms are used for buffering constructors through gradual descending when the constructors fall onto the safety net, so that impact force borne by the constructors is reduced. According to the scheme, the problem that constructors may be hurt by the anti-falling net when falling from the expansion platform of the offshore wind power hoisting platform is solved.

The present invention belongs to the technical field of intelligent equipment for processing mulberry cocoons. A pneumatic high-speed cocoon selection device comprises a conveying device, an air pressure device, an industrial camera, a defective cocoon separation device and a control system, wherein the conveying device, the air pressure device, the industrial camera and the defective cocoon separation device are electrically connected to the control system respectively; the air pressure device is arranged on the upper side of the conveying device and the air outlet faces the conveying device; the industrial camera and the defect separation device are arranged above the conveying device; the conveying device comprises a conveyor belt and a guide plate assembly, the conveyor belt has a feeding end and a discharging end; the guide plate assembly is located below the feeding end of the conveyor belt. The pneumatic high-speed cocoon selection device of the present invention can improve the sorting efficiency and identification accuracy of cocoons, prevent cocoons from bouncing up during rotation, and avoid jamming and easy adhesion between cocoons.

The utility model relates to the technical field of recorders, and discloses an outdoor anti-falling law enforcement recorder which comprises a recorder body, corner plates are fixedly connected to the four corners of the recorder body, grooves are formed in the front faces and the back faces of the corner plates, circular grooves are formed in the inner walls of the grooves, sleeves are fixedly connected to the inner walls of the circular grooves, and the sleeves are fixedly connected to the outer walls of the circular grooves. The inner wall of the sleeve is fixedly connected with a first spring. According to the outdoor anti-falling law enforcement recorder, when the recorder body falls off, the angle plate is firstly impacted to avoid collision of the recorder body, and when one side with a lens or a display screen falls off, a buffer strip is in contact with the ground at the moment and extrudes a T-shaped rod, and a first spring buffers force; and a part of force can be reduced by the friction force of the rubber pad, and when the first spring rebounds, the friction force of the rubber pad consumes a part of force, so that the recorder main body is prevented from being bounced after falling off, and the lens or the display screen can be protected.

The utility model provides a kind of conveying device applied to lychee packaging equipment, it is related to lychee packaging equipment technical field, including hopper, conveying component, rotary docking assembly and mobile blanking assembly;Conveying component is used to bring lychee from hopper, conveying component is provided with conveying roller, conveying roller is provided with several roller body arc grooves, the roller body arc groove of two adjacent conveying rollers forms a circular groove, a lychee can be placed in circular groove;The mobile blanking assembly includes mobile power component and moving platform, and mobile power component drives moving platform reciprocating motion relative to docking assembly.The utility model has the beneficial effect that mobile blanking assembly is arranged, lychee can be filled in the pit of packing box row by row by the reciprocating motion of moving platform, the continuous, efficient packaging of lychee is realized, compared with artificial packaging, the packaging speed is greatly improved, the artificial labor intensity is reduced, the overall production efficiency is improved, and the demand of large-scale lychee packaging can be met.

The invention relates to an inclined posture-adjustable Hami melon seed air-suction type seed-metering device. The device comprises a front shell, a rear shell, a seed metering disc and a posture adjusting plate, wherein the front shell and the rear shell are folded to form a shell of the seed metering device; the seed-metering disc is mounted in the shell through a driving shaft, a plurality of conical grooves are uniformly formed in the side, facing the front shell, of the seed-metering disc in the circumferential direction of the seed-metering disc, elliptical adsorption grooves corresponding to Hami melon seeds in size are formed in the bottoms of the conical grooves, and suction holes penetrating through the seed-metering disc are formed in the bottoms of the adsorption grooves; the posture adjusting plate is fixedly installed in the shell, a gap is formed between the posture adjusting plate and the seed metering disc, and the width of the gap is larger than the thickness of the Hami melon seeds and smaller than the width of the Hami melon seeds, so that the Hami melon seeds enter the gap in a side posture all the time. According to the scheme provided by the invention, the problems of reseeding and miss-seeding of the Hami melon seeds can be relieved, and the seed falling posture of the Hami melon seeds is standardized, so that the seeding uniformity is ensured.

This utility model discloses a production fixture for turning diesel engine cylinder heads, including a worktable with legs installed at the bottom and a baffle fixed at the top. A guide mechanism is provided at the top of the worktable, and an L-shaped plate is fixed to the top of the guide mechanism. A pressing mechanism is provided on one side of the worktable. A guide groove is formed at the top of the worktable, and guide rails are installed on both sides of the inner wall of the guide groove. A slider one is slidably connected to the inner wall of the guide rails and is fixedly connected to a connecting block. A sliding groove is formed at the bottom of the guide groove, and a slider two is fixed to the bottom of slider one. This utility model provides guidance for the L-shaped plate during its movement through the guide mechanism. Simultaneously, the pressing mechanism drives the L-shaped plate to move, preventing it from retracting due to the reaction force of the cylinder head. Furthermore, the guide mechanism ensures that the clamping force generated by the pressing mechanism when holding the cylinder head is consistent, preventing cylinder head deformation due to uneven force.

The invention belongs to the field of welding devices, and particularly relates to an automatic guardrail assembly welding device which comprises a welding platform and a welding manipulator matched with the welding platform, a bearing assembly of a transverse rod and a feeding assembly of a longitudinal rod are arranged on the welding platform, and the transverse rod and the longitudinal rod are welded to form a guardrail assembly. The welding platform is installed on the ground, the welding mechanical arm is installed on the ground through a fixing base, the fixing base is fixedly connected with the ground, the feeding assembly comprises a walking trolley arranged on the welding platform and a clamp installed on the walking trolley, and the clamp has the freedom degree of moving in the axial direction of the transverse rod through the walking trolley. The clamp forms a conveying unit of the longitudinal rod and a transverse movement driving unit of the guardrail assembly, the mechanical arm does not need to reciprocate along with additional arrangement of the longitudinal rod, debugging is convenient, and the service life of mechanical arm components is prolonged.

The utility model discloses a sheet metal part punch forming mechanism, which relates to the technical field of shipping logistics and comprises a base, a first spring is connected in the base, a support is connected at the top end of the first spring, a damper is arranged between the support and the base, and a groove is arranged at the top of the base. According to the stamping die, the supports, the first springs, the grooves and the dampers are arranged, the two sides of a sheet metal part are supported through the six supports, the sheet metal part is prevented from inclining and sliding leftwards or rightwards, when the upper die is pressed downwards, the supports are stressed to retract into the grooves, forming of the sheet metal part is prevented from being affected, the supports are prevented from being broken due to pressing, and after stamping is completed, the supports are prevented from being damaged. The support is driven by the first spring to move upwards to reset so as to facilitate next punching, and meanwhile, the punched sheet metal part is pushed upwards through upward movement of the support so as to facilitate discharging of workers; the phenomenon that the metal sheet inclines and slides down after being placed is effectively avoided, and the sheet metal part is prevented from being tightly attached to the lower die after being stamped so as to facilitate discharging.

The invention relates to the field of crushing and sand making machines, and discloses a dust suppression type crushing and sand making machine and a working method. A crushing bin one and a crushing bin two are arranged in the crushing and sand making machine. The crushing bin two is connected to the lower end of the crushing bin one, and a dropping channel for discharging sand and gravel is arranged at the lower end of the crushing bin two. A pressure mechanism is arranged in the crushing bin one, and two crushing rollers are symmetrically arranged in the crushing bin two. The lifting and rotating movement of the pressure mechanism can effectively perform preliminary crushing and fixing of stones, and prevent the stones from bouncing upwards or continuously rolling on the surface of the crushing rollers during the crushing process, thereby improving the crushing efficiency. Secondly, through the preliminary crushing by the pressure mechanism, the stones are more likely to meet the crushing requirements between the two crushing rollers, making the subsequent crushing work smoother. In addition, due to the existence of the pressure mechanism, the splashing of stones and the generation of dust during the crushing process are reduced, which is beneficial to improving the surrounding air environment and reducing the impact on the health of the staff.

This application relates to the field of plastic recycling, specifically disclosing a rapid shaping equipment and process for recycling blow-molded products. The rapid shaping equipment includes a frame, a mold mechanism mounted on the frame for blow-molding products, a defect detection mechanism for detecting defects in the product, a crushing mechanism for crushing substandard products into particles, and a ring-shaped screening mechanism for screening the particles output from the crushing mechanism, allowing particles of the correct size to be discharged and returning oversized particles to the crushing mechanism for secondary crushing. This application improves the efficiency of defective product recycling.

The utility model discloses an adjustable drop test fixture, which relates to the technical field of fixtures, and comprises a placing base, a mounting rack and a driving motor, the upper side of the placing base is connected with the mounting rack, the top of the mounting rack is provided with the driving motor, the bottom of the driving motor is connected with the top of a first adjusting screw rod through a coupler, and the first adjusting screw rod is provided with a second adjusting screw rod. The outer side of the first adjusting screw rod is in threaded connection with a connecting base, and a clamp body is installed on one side of the connecting base. According to the adjustable drop test fixture, after a metal product falls to the upper side of the test bed, the test bed exerts rebounding force on the metal product, the metal product will make contact with the inclined baffle at the moment, and the force unloading layer arranged on the side, close to the test bed, of the inclined baffle is made of rubber, so that the good buffering and force unloading effects are achieved; the adjustable drop test clamp solves the problems that a metal product bounces after falling to the surface of a simulation material, later collection is inconvenient, and meanwhile an operator is accidentally injured.

The present invention provides a portable traction device for equipment installation, which relates to the technical field of equipment traction devices, and comprises: a fixing component; the fixing component comprises a bottom plate and a counterweight plate, the bottom plate is vertically provided with a circular through hole on its periphery, and a circular groove is provided on the inner upper end of the bottom plate; the counterweight plate is mounted on the upper end of the bottom plate in a stacked manner; a mounting component is provided on the fixed component, a mounting frame of the mounting component is located at the upper end of the bottom plate, and the lower end of the mounting frame is slidably matched with the circular through hole on the periphery of the bottom plate, when the traction rope is broken, the pressure rod loses the tension restriction of the traction rope and falls downward, and during the falling process, the traction rope can be pushed downward and a retraction force is applied to the traction rope, so that the traction rope can be prevented from bouncing around when it breaks, and the problem that the pull rope of the existing traction device may break when subjected to excessive force, and the broken rope is not constrained by the force, and will bounce around and pose a certain safety threat to the personnel on the scene is solved.

The present invention discloses a toggle switch mechanism of an explosion-proof distribution box, which relates to the field of switch technology, and includes a mounting shell, wherein the mounting shell is rotatably connected to a toggle arm, wherein the mounting shell is fixedly connected to a plurality of pins, wherein the mounting shell is slidably connected to a toggle frame for limiting and cooperating with the toggle arm, wherein the toggle frame is fixedly connected to a moving contact piece, wherein the moving contact piece contacts the adjacent pins, wherein the mounting shell is slidably connected to a sliding frame symmetrically distributed along the mounting shell, wherein the sliding frame is fixedly connected to an insulating top block, wherein the insulating top block contacts the moving contact piece. The present invention utilizes the insulating top block to first elastically lift the moving contact piece upward, and then slightly vertically lowers the moving contact piece onto the pin, so that the moving contact piece can slowly, steadily, and frictionlessly contact or disconnect when disconnecting and contacting, thereby avoiding local temperature rise and contact point bounce, thereby reducing the probability of arc occurrence and reducing the risk of fire or explosion.

The present invention relates to the technical field of smartphone anti-fall, and discloses a high-performance smartphone anti-fall protection structure, including a shell, the outer side of the shell is fixedly connected to a first shell, the interior of the first shell is fixedly connected to a first elastic shell, the interior of the first elastic shell is movably connected to a wedge block, the surface of the wedge block is slidably connected to a sliding rod, and the bottom end of the sliding rod is fixedly connected to a first sliding plate. The high-performance smartphone anti-fall protection structure solves the problem of the large volume of the mobile phone protective shell in the prior art through the connection between the shell and the first sliding plate. The protective devices at the four corners of the mobile phone can be retracted when not in use, and a shock-absorbing fluid is used to play a buffering role, so that the shock-absorbing effect is obvious. The elastic shell makes the mobile phone screen dented when it slides and does not touch the ground, etc., and the air pressure device is used to prevent the mobile phone from bouncing up due to the force when it falls.

The utility model discloses a stamping fixing frame for an automobile die, which comprises a mounting frame, a transverse positioning device is fixedly connected onto the lower wall of the mounting frame in the transverse direction, and a fixing device capable of fixing a stamping part is fixedly connected onto the transverse positioning device. A longitudinal positioning device capable of adjusting the lifting of the positioning plate is longitudinally arranged on the lower wall of the mounting frame, and the stamping parts are positioned in four directions by arranging the transverse positioning device and the longitudinal positioning device, so that each stamping part can be accurately positioned at a fixed position; meanwhile, a second positioning plate on the longitudinal positioning device can ascend or descend in the Z-axis direction while moving in the Y-axis direction, so that the placement of the stamping part is avoided; and the fixing device is arranged on the transverse positioning device, so that the positioned stamping part can be fixed, and the stamping part is prevented from being bounced in the stamping process to cause deformation of the stamped part.

The utility model relates to an edged tool box capable of being pressed, which comprises a box body, a box cover, a pressing cross beam and a pressing rotary plate, the pressing cross beam is elastically and slidably arranged in the box body, slides along the height direction of the box body and penetrates through the center of the box body; a pressing rotating plate is rotationally arranged in the middle of the pressing cross beam and covers the pressing cross beam, the cross section of the pressing rotating plate is smaller than that of the box body, opening and closing openings are symmetrically formed in the two sides of the pressing rotating plate, and the middle of the pressing rotating plate extends upwards to form a knob section; a box cover is detachably arranged at the upper end of the box body, throwing openings are symmetrically formed in the two sides of the box cover, medical waste sharp instruments can be thrown conveniently, the box cover and a pressing cross beam are matched up and down to clamp a pressing rotating plate, and a knob section in the middle of the pressing rotating plate vertically penetrates through the box cover upwards. The sharp tool box has a pressing function, the pressing cross beam and the pressing rotating plate move downwards in the box body together, sharp tools and the like in the box body can be pressed downwards to be pressed and compacted, bouncing is prevented, and therefore the utilization rate of the inner space of the sharp tool box is improved.

The utility model relates to the technical field of matching tools of pipe arranging machines, and discloses a pipe falling mechanism of a pipe arranging machine, which comprises a vertical cylinder, a guide cylinder and a corrugated pipe, the guide cylinder is connected to the top of the vertical cylinder, the corrugated pipe is connected to the top of the guide cylinder, an inner cylinder is inserted into the vertical cylinder, and blocking hairs are fixedly embedded into the inner ring surface of the inner cylinder. The blocking bristles are evenly distributed on the inner surface of the inner cylinder, a connecting rod is connected to the side edge of the upper portion of the guide cylinder, a vertical mounting plate is fixed to the tail end of the connecting rod, and penetrating holes are formed in the surface of the mounting plate. According to the technical scheme, the vertical cylinder is connected to the lower portion of the pipe outlet of the pipe arranging machine through the guide pipe and the corrugated pipe, when a line pipe is discharged downwards from the pipe outlet of the pipe arranging machine, the falling speed of the line pipe is buffered through the inside of the vertical cylinder and the hair blocking effect of the inner surface of the inner cylinder inside the vertical cylinder, and the situation that the line pipe bounces when falling on a line pipe conveying belt is avoided; therefore, the bobbin can be accurately positioned and sleeved on the outer ring of the positioning rod of the bobbin conveying belt so as to be prevented from inclining.

The utility model discloses a kind of building construction line chuck, including base and wire reel, the top of the base is fixedly installed with lower protective shell, the top of the lower protective shell is movably hinged with upper protective shell, adjusting clamping assembly is movably installed in the right side of the base, hexagonal chuck is rotatably installed in the left side of the base, the outside of the hexagonal chuck is fixedly connected with rotating assembly;The adjusting clamping assembly includes two guide rods fixedly installed in the lower side of the base and horizontally arranged, two The outside of the guide rod movably installs the sliding plate in the right side of the base, the right side of the sliding plate is rotatably connected with adjusting screw rod, the right side wall of the base is penetrated by the adjusting screw rod and is threadedly connected with the right side wall of the base, the right end of the adjusting screw rod is fixedly connected with hand wheel;The building construction line chuck can reach flexible adjustment fixing according to wire reel, flexible adjustment handle limiting state, the purpose of convenient operation.

The utility model relates to a wafer probe station display lifting mechanism and wafer detection equipment, the wafer probe station display lifting mechanism comprises a probe station and a display, and the display can lift relative to the probe station; and the display is used for avoiding a butt joint channel of the test machine and the probe station when moving to a lower limit position so as to avoid butt joint of the test machine and the probe station. According to the technical scheme of the utility model, when the testing machine and the probe station are docked, the display can move to the lower limit position to leave a docking channel between the testing machine and the probe station, so that the stable passing of the testing machine is realized, and the operation process is not influenced. Compared with a display dismounting mode in the prior art, the scheme of the utility model is simple and convenient to operate, and the display does not need to be dismounted, so that the replacement efficiency of the probe card can be improved.

The invention discloses a durian picking tool, and relates to the technical field of durian picking. A hole is formed in the center of the upper curtain, the upper curtain is made of canvas, a hole is formed in the center of the lower curtain, the lower curtain is made of canvas, the surfaces of the two sides of a tightening assembly are fixedly connected with the inner side face of the upper curtain and the inner side face of the lower curtain respectively, the tightening assembly is fixedly connected with the top of a bottom plate, and a discharging assembly is arranged on the side, close to the bottom plate, of the lower curtain. The upper curtain, the lower curtain and the discharging assembly are fixedly connected with the top of the bottom plate, the buffering structures of the upper curtain, the lower curtain and the discharging assembly sequentially buffer durians for three times, kinetic energy converted from gravitational potential energy of the durians is fully consumed, the durians are prevented from directly falling to the ground to be damaged, the counter-acting force borne by the durians can be effectively reduced through sectional buffering, and the durians are further prevented from being damaged.

The utility model relates to the field of packaging box processing devices, in particular to drying equipment for packaging box production, which comprises two baffle plates, the tops of the two baffle plates are jointly and fixedly connected with a top plate, a plurality of fixing pipes are uniformly distributed at the bottom of the top plate, and heating strips are arranged in the fixing pipes and used for heating conveyed air; a draught fan is fixedly installed on the top plate, an air outlet of the draught fan communicates with a main pipeline, the side, away from the draught fan, of the main pipeline communicates with branch pipelines with the same number as the fixing pipes, and all the branch pipelines communicate with the fixing pipes correspondingly; the two branch pipelines are slidably connected with sliding plates in an up-down limiting mode through second limiting sliding grooves in the branch pipelines, and the two sliding plates are provided with driving mechanisms enabling the sliding plates to move up and down. One side of the packaging box can be lifted through the arranged lifting plate, so that the packaging box can be conveniently and efficiently dried; and the arranged elastic pieces are matched to prevent the packaging box from being bounced off during lifting, so that the packaging box can be stably dried.

The invention discloses an automatic coil feeding and guiding device for a thin-wall profile steel raw material cutting production line in the technical field of thin-wall profile steel production, which comprises an automatic coil feeding machine for feeding and further comprises a guiding device arranged on the side edge of the automatic coil feeding machine and used for guiding a steel belt; the guiding device comprises a supporting plate, the top of the supporting plate is arranged to be in an arc shape, a first sliding block is elastically connected to the supporting plate in a sliding mode, the first sliding block is rotationally connected with a pressing roller, the pressing roller is used for restraining the steel belt in the vertical direction, and the steel belt can drive the pressing roller to rotate when moving on the supporting plate. A mounting plate is fixedly connected to the end, away from the automatic roll feeding machine, of the supporting plate, two symmetrically-arranged second sliding blocks are elastically and slidably connected to the mounting plate, the second sliding blocks are rotationally connected with rotating rollers, and the rotating rollers can play a role in restraining and guiding the steel belt; according to the invention, a new steel belt can be better conveyed to a position connected with an old steel belt.

The utility model belongs to the technical field of toasters, and particularly relates to an automatic lifting toaster which comprises a bottom plate, a furnace pipe, a bracket, a driving assembly and a switch assembly. The driving assembly comprises a fixing plate, a driving motor, a tooth holder, a first guide rod, a lifting seat and a second guide rod. The switch assembly comprises a switch positioning plate, a toggle seat, an upper limit switch and a lower limit switch. The upper limit switch and the lower limit switch are electrically connected with the driving motor and are controlled to be turned on and turned off through the shifting seat. According to the toaster capable of lifting automatically, the driving motor drives the tooth holder to move, the tooth holder conducts stable lifting motion along the first guide rod and drives the lifting seat to conduct stable lifting motion along the second guide rod, the lifting seat drives the bracket to conduct stable lifting motion, bread conducts stable lifting motion along with the bracket, and therefore the bread can be automatically lifted. Bread is prevented from bouncing away due to large instantaneous thrust, the bread is automatically lowered into the furnace pipe, and using is more convenient.