148results about How to "Prevent rebound" patented technology

The forging table clamping device of the steering worm comprises a workbench, the top of the workbench is fixedly connected with a bearing table, supporting cylinders are arranged at the positions, located on the two sides of the bearing table, of the top of the workbench, the inner walls of the supporting cylinders are connected with movable plates in a sliding mode, and the movable plates are fixedly connected with the bearing table. The bottom of the movable plate is fixedly connected with a first spring, the bottom end of the first spring is fixedly connected with the bottom of the inner wall of the supporting cylinder, and a non-return mechanism for preventing the first spring from rebounding is arranged between the movable plate and the supporting cylinder. According to the forging table clamping equipment for the steering worm, through the arrangement of a non-return mechanism, limiting teeth make contact with teeth of a limiting rack under the action of a second spring, so that rebounding of a first spring is avoided, a worm blank keeps effective contact with the surface of the bearing table all the time, the forging quality is guaranteed, the positions of a clamping piece and a forging piece do not need to be frequently adjusted, and the working efficiency is improved. And the forging efficiency of the workpiece is improved.

The invention relates to a garment finished product quality inspection auxiliary device and method, and relates to the technical field of garment transportation, a rail mechanism and a changing mechanism are matched, qualified garments are still transported on an annular rail, unqualified garments are conveyed to a rotating rail which is not located on the annular rail, and therefore the quality inspection efficiency of the garments is improved. Whether the clothes have quality problems or not is judged according to the track on which the clothes are located, workers do not need to detect whether labels exist on the clothes or not and subsequently clean label glue on the surfaces of the clothes, the labor amount is reduced, and a first magnetic plate in a blocking mechanism can be used for limiting a moving unit needing to be stopped; when the mobile unit is stopped, the magnetic plate can limit the extrusion plate of the mobile unit, so that the engagement between the action gear and the action rack is released, and the movement of the mobile unit is stopped; and the situation that teeth are broken due to the fact that the moving unit suddenly stops and the moving gear still rotates is avoided.

The utility model belongs to the technical field of crushers, and particularly relates to a feeding device of a crusher, which comprises a feeding device arranged above a feeding port of a crusher main body, the feeding device comprises a feeding channel, a feeding bin and a blanking channel, a weighing mechanism is arranged in the feeding bin, the weighing mechanism comprises a weighing bin, a baffle is arranged below the weighing bin, and the baffle is connected with the feeding channel. A weight sensor is arranged below the base; side plates are arranged on the two sides of the feeding channel, a discharging door and a pushing mechanism are arranged on the side plates, a blocking plate is arranged between the side plates, and a through hole is formed in the blocking plate. According to the feeding device disclosed by the utility model, automatic feeding and quantitative feeding of ores can be realized, the working intensity of manual feeding is effectively reduced, ores with relatively large particle sizes can be intercepted from entering the crusher, the crushing efficiency is prevented from being influenced or a feeding hole is prevented from being blocked, and the crushing efficiency of the crusher is improved; and meanwhile, ore rebound during feeding and dust overflow in the ore discharging process can be prevented, and the safety of the crusher during operation is improved.

The present invention discloses an aircraft engine, comprising a turbine, wherein the turbine comprises a rotor and a stator, and the aircraft engine further comprises a shaft failure speed limiting structure arranged between the rotor and the stator, wherein the shaft failure speed limiting structure comprises a first speed limiting part fixedly connected to the rotor and a second speed limiting part fixedly connected to the stator, and the shaft failure speed limiting structure is configured as follows: when the turbine is working normally, a gap is maintained between the first speed limiting part and the second speed limiting part; when a turbine shaft failure condition occurs in the turbine and the moving blades of the turbine move axially toward the downstream in the direction of gas flow, the first speed limiting part and the second speed limiting part approach each other and form an interference fit that becomes tighter the closer they are.

The utility model relates to the field of medical instruments, in particular to a capsule core and a capsule endoscopy. The capsule core comprises a lens base plate and a lamp panel which are connected through an FPC, an inner hole is formed in the lamp panel, a lens is arranged on the lens base plate and penetrates through the inner hole, and a fixing device which is matched with the lamp panel and used for installing the lamp panel on a base of the lens is arranged on the base of the lens. According to the invention, the lamp panel is fixed on the lens base through the fixing device, so that the lamp panel can be prevented from rebounding and tilting.

The mold replacement assembly comprises a machining table, the injection molding machine, an upper mold and a lower mold, the injection molding machine is fixedly connected to the right side of the top of the machining table, the upper mold is arranged at the bottom of the injection molding machine, the upper mold is arranged at the top of the machining table, and the lower mold is arranged at the bottom of the injection molding machine. And the upper mold corresponds to the lower mold in position. The machining table, the injection molding machine, the upper mold, the lower mold, the splicing block, the inserting groove, the concave block, the inserting hole, the connecting block, the cavity, a positioning mechanism, a bearing column, a first compression spring, a T block, an inclined block, an adjusting mechanism, a pressing rod, an H block, a pushing column, a limiting rod, a holding rod, a second compression spring, an inserting block and a magnetic attraction block are used in cooperation; the problems that when an umbrella rib is machined through a mold, the mold needs to be replaced according to different size requirements, so that machining of the umbrella rib is completed, operation is too tedious when the mold is replaced, and the machining efficiency of the umbrella rib is reduced are solved.

The application provides a hinge assembly and a clothes processing device. The clothes processing device comprises a door cover and a cabinet. The cabinet is provided with a receiving cavity with an opening at one end. The door cover is rotatably connected to the cabinet through the hinge assembly to open and close the opening. The hinge assembly comprises a hinge seat installed on the cabinet, a hinge blade corresponding to the door cover, and a hinge shaft rotatably connecting the hinge seat and the hinge blade. The hinge blade is provided with a cam, and the hinge seat is provided with a damping sliding groove corresponding to the cam. The cam is slidingly arranged in the damping sliding groove. When the hinge blade rotates relative to the hinge seat, the damping sliding groove generates damping to the cam. The hinge assembly provided by the application buffers the rotation of the door cover through the cooperation of the damping sliding groove and the cam, prevents the door cover from opening too large or even rebounding, and prevents the door cover from closing too fast to pinch the hand when the door cover is closed, thereby improving the user experience.

The invention relates to a bending and straightening all-in-one machine for reinforcing steel bar machining, which comprises a base, a machine body is arranged on the base, two wheel discs capable of freely rotating are arranged on the machine body, and the two wheel discs are arranged up and down; the adjusting wheel is arranged between the two wheel discs in a position-adjustable mode, and by adjusting the position of the adjusting wheel, the distance between the adjusting wheel and the wheel discs is made to be matched with the diameter of the reinforcing steel bar; the straightening wheels are arranged on the two sides of the two wheel discs and can rotate freely, the straightening wheels are arranged in two rows, the distance between the two rows of straightening wheels is matched with the diameter of the reinforcing steel bar, and a first channel allowing the reinforcing steel bar to penetrate through is formed between the two rows of straightening wheels; the fourth motor is arranged in the machine body and drives the wheel disc to rotate; the discharging mechanism is fixedly mounted at the top of the base, and the steel bars are wound on the discharging mechanism; and the bending machine is arranged at the side part of the straightening wheel and is far away from the discharging mechanism.

This invention provides a method and apparatus for disengaging electric power steering, relating to the field of vehicle control technology. The method includes: when determining that the current state of the vehicle meets the conditions for disengaging from automatic parking, acquiring the current rotation direction of the steering wheel, the current angular velocity, and the current hand torque direction of the driver; if the current angular velocity is greater than a safety threshold and the current hand torque direction is opposite to the current rotation direction, controlling the motor to output the magnitude of the reverse torque in a direction opposite to the current rotation direction of the steering wheel; if the current angular velocity is not greater than the safety threshold, or the current hand torque direction is the same as the current rotation direction, determining the target fusion coefficient of the current control cycle based on the fusion coefficient of the current control cycle and the fusion coefficient of the previous control cycle; and determining the target angle based on the target fusion coefficient, the current angle of the steering wheel, and the initial set angle in the automatic parking state.

The dust cup assembly comprises a dust cup and a cyclone cylinder, the cyclone cylinder is arranged in the dust cup, a dust collection bin is formed between the cyclone cylinder and the dust cup, an air inlet and an ash discharge port are formed in the cyclone cylinder, the air inlet is located above the ash discharge port, the air inlet is communicated with the inlet, and the dust collection bin is communicated with the dust cup. The ash discharge port is communicated with the dust collection bin; the cyclone cone is installed at the position of the air outlet of the cyclone cylinder, and at least part of the cyclone cone is located in the cyclone cylinder; the first sealing piece is integrally formed and comprises a sealing part and a clamping part, the outer side of the cyclone cylinder is concaved inwards to form a sealing groove and a fixing groove, the sealing part is annularly arranged on the periphery of the air inlet and contained in the sealing groove, and the sealing part abuts against the inner wall of the dust cup; and the clamping part is clamped in the fixing groove. Through the special cyclone design, the dust-air separation effect of the dust collector is good, and a sealing piece is not prone to falling off.

The utility model discloses a 10kV vacuum circuit breaker, which comprises an operating mechanism, a main shaft, a pull plate, an insulating pull rod, an arc extinguish chamber and a buffer mechanism, a moving contact and a static contact are arranged in the arc extinguish chamber; one end of the insulating pull rod is connected with the moving contact, and the other end is connected with the main shaft through a pull plate; the operating mechanism is connected with the main shaft and provides driving force for the main shaft. And a buffer mechanism is arranged at one end of the main shaft. The buffer mechanism is arranged to absorb kinetic energy during opening and closing, and the contact is prevented from swinging back and forth.

The invention discloses a molten aluminum refining production process capable of reducing the iron element content, and relates to the technical field of secondary aluminum refining. The process is combined with the characteristics of existing secondary aluminum refining equipment and process, and comprises the steps of pretreatment in a smelting furnace, refining in a holding furnace, online rotor refining and ceramic filtration, and multi-stage iron removal is realized by comprehensively applying a flux method, a gravity settling method and a ceramic filtration method. The iron removal flux and inert gas are blown through the rotor, the iron removal reaction is accelerated, the single-process iron removal effect and production efficiency are improved, and the flux consumption is reduced. The iron removal efficiency is stabilized at 62% or above, the iron content in the secondary aluminum is effectively reduced, the product quality is improved, and the method is suitable for industrial production.

The folding and pressing structure is suitable for vest bags of different specifications, and comprises a folding synchronous adjustment mechanism, a folding pressure hook mechanism, a pressure plate pressing mechanism, a pressure plate synchronous adjustment mechanism, a bag ear pressing and folding mechanism, a bag ear pressing and folding driving mechanism, an adjustable pressure rod pressing mechanism, a lower fork mechanism, a fixing mechanism, an adjustable tube straightening plate mechanism and an adjustable material receiving mechanism. The present invention synchronously adjusts the distance between the folding beams according to the sizes of the handles of the different vest bags after folding, thereby controlling the folding positions of the bag head and the bag tail of the vest bag, and the pressure plate synchronous adjustment mechanism can synchronously adjust the distance between the pressure plate positioning structures to adapt to vest bags of different widths, and there is no need to change the size of the pressure plate or manually adjust the distance between the pressure plates. The pressure plate presses the bag body of the vest bag, thereby solving the problem of left-right and front-back deviation and swinging of the vest bag during the folding process, and improving the flatness of the finished product.

The utility model relates to the technical field of boilers, in particular to a cross-shaped abrasion-proof structure of a CFB (circulating fluid bed) boiler, which comprises a transverse plate and a vertical plate, the transverse plate and the vertical plate are clamped together through a mortise and tenon joint structure to form a cross shape, and a movable gap is reserved; clamping grooves are symmetrically formed in the transverse plate, and a plurality of sawteeth are evenly distributed on the side, away from the clamping grooves, of the transverse plate. During use, the transverse plate is clamped on the wall of a water-cooled tube, the sawtooth side of the transverse plate is lower than the wall of a boiler, the vertical plate is connected with the transverse plate in a mortise and tenon joint mode, and the two ends of the vertical plate are welded to the fins. At the moment, the vertical plate is fixed, the transverse plate is inclined under the action of a dynamic field in the furnace to play a role in guiding, and meanwhile, large particles can be prevented from rebounding to the water cooling pipe according to the inclination direction to avoid impact abrasion; in addition, the transverse plate adopts a sawtooth-shaped outer edge, most of wall-attached materials fall from sawteeth and participate in heat exchange of the water cooling wall, and the heat exchange efficiency is improved; meanwhile, the sawtooth structure can reduce resistance to a near-wall flow field, material flow can be dredged, and the flow rate of gas-solid flow in the furnace is not reduced.

The utility model relates to a plastic mould pitched roof anti-loosening structure, which comprises a pitched roof and an injection product, the pitched roof comprises a pitched roof head and a pitched roof rod, the whole pitched roof is 7-shaped, the top surface of the pitched roof head is a plane and is provided with a connecting end and an extending end which are connected with the pitched roof rod, the extending end is provided with a step close to the pitched roof rod side, and the back surface of the injection product is provided with a mould core. A cavity matched with the extending end of the inclined ejector head is formed in the bottom of the mold core, one end of the cavity is open, and the other end of the cavity is closed. And the step is arranged at the extending end of the inclined ejection head, and is matched with the cavity of the mold core, so that multi-stage limiting can be realized, and a relatively good fixing effect is achieved. Furthermore, a protrusion is arranged on the front end face of the extending end, an open hole matched with the protrusion is correspondingly formed in the mold core, the clamping and fixing effects are achieved, the structure can reduce loosening and rebounding of the angle ejector head in the injection molding process, and the product percent of pass is improved.

The utility model relates to the technical field of cutting devices, and discloses a road surface cutting device which comprises a base, a supporting plate is fixedly connected to the edge of one side of the top face of the base, an I-shaped groove is formed in the surface of the supporting plate, a lifting mechanism is slidably connected to the interior of the I-shaped groove, and a motor box is fixedly connected to the surface of the lifting mechanism. And a driving mechanism is fixedly connected to the interior of the motor box, and a water tank is fixedly connected to the side close to the supporting plate. According to the road surface cutting device, through the arrangement of the cleaning mechanism, when the road surface cutting device is used, after a universal ball is adjusted to a proper angle, two sets of powerful fans at the bottom of the universal ball form an included angle with the ground, then the universal ball is fixed through bolts, and the powerful fans clean particle chippings in ground gaps after cutting; the subsequent cleaning work can be reduced, oblique blowing is beneficial for preventing dust and chippings from rebounding and returning to a cutting area, and the dust control effect is improved.

The utility model discloses an anti-falling safety protection net, which relates to the technical field of safety protection nets and comprises a transverse plate, the left side and the right side of the transverse plate are fixedly connected with first supporting plates, the left side of the first supporting plate on the left side is provided with a T-shaped groove, and the right side of the first supporting plate on the right side is fixedly connected with a T-shaped block. Two fixing sleeves are fixedly connected to the front side of the first supporting plate on the left side in a vertically symmetrical mode. The strip-shaped block, the fixing plate, the conical through groove, the second spring, the clamping block and the groove are matched to form clamping connection, then the strip-shaped block is driven to move towards the interior of the fixing sleeve through matching of the threaded rod and the threaded groove, and then the safety protection net device on one side is tensioned towards the other safety protection net device through clamping connection of the clamping block and the fixing plate. The two safety protection net devices are connected more tightly, the splicing stability of the two safety protection net devices is improved, and meanwhile the protection nets can be connected conveniently.

The utility model belongs to the technical field of textile machinery, and particularly relates to a spandex fiber tatting mechanism with bidirectional protective measures, which comprises a rack, and a shuttle is arranged on the inner side of the rack. When the textile machine drives the shuttle to reciprocate to the two ends, the shuttle enters the buffer box to impact the buffer plate, the first spring is stressed and stretched, and the impact force is buffered, so that the probability that the shuttle flies out of the track or the distance that the shuttle flies out of the track is reduced, the buffer plate moves to drive the sliding block to move, and when the insertion rod moves to the insertion hole, the insertion rod is inserted into the insertion hole. When the shuttle is driven by the textile machine to move to the other end, the electric push rod pushes the push-pull plate, the insertion rod is pulled out of the insertion hole, the first spring drives the buffer plate to reset, when the shuttle flies out of the track, the shuttle is blocked through the protective nets on the two sides, personnel on the two sides of the rack are not prone to being hurt, and the safety of the textile machine is improved. And the V-shaped structure reduces the rebounding angle of the shuttle, so that the shuttle is convenient to pick up, and the working efficiency is improved.

The invention relates to the technical field of soil improvement methods, and discloses a clayey soil improvement method which comprises the following stages: S1-S4. Through a synergistic improvement mode, the content of organic matters in the soil is increased, the content of heavy metals in the soil is reduced, the hardening rebound rate is reduced, meanwhile, the pH value of the soil is adjusted to a suitable range of 6.0-7.5, and the comprehensive improvement effect is remarkable; meanwhile, contour line operation, multi-ditch drainage, straw covering and the like are arranged, so that the device can adapt to mountainous and hilly terrains and rainy and high-humidity climate in the southwest, and water and soil loss and modifier loss are effectively prevented; ecological materials such as bamboo fibers, earthworms and straws are adopted, so that the dosage of chemical reagents is greatly reduced, secondary pollution is avoided, and adverse effects are reduced after leaching agent residues are subjected to drainage and biodegradation; an improved closed loop is formed through later measures such as crop rotation, regular compensation and improvement, permeability maintenance and the like, rebounding after short-term effectiveness is avoided, and the improvement effect is effectively prolonged.

The present invention relates to the technical field of drawing and bending machines, and in particular to a multi-degree-of-freedom drawing and bending device for processing automobile exterior trim, comprising a table and a mold, wherein two ends of the table are symmetrically rotatably connected to two drawing and bending arms, and two rolling devices are symmetrically arranged at the upper middle section of the table; the rolling device comprises a column fixed to the upper side of the table, and three rotating arms are rotatably connected to the outer side of the column, and one end of each of the three rotating arms is movably provided with a rolling shaft. The present invention can roll from the middle section of the workpiece to both ends in sequence through the cooperation of two rolling devices, and apply a certain pressure to the position of the workpiece where the drawing and bending deformation occurs, so that the position of the drawing and bending deformation can always fit on the curved side of the mold, which can effectively avoid the warping of the middle section, greatly improving the drawing and bending forming quality of the workpiece, and applying multi-point pressure to the bending deformation of the workpiece can well prevent the workpiece from rebounding after the thrust is removed at both ends of the workpiece.

The invention discloses a scrubber water tank lock catch structure, and belongs to the technical field of scrubbers, the scrubber water tank lock catch structure comprises a machine body shell, a touch control button is arranged on the back of the machine body shell, a guide pull rod is fixedly mounted in the middle of the touch control button, and the touch control button is connected with the machine body shell through an auxiliary spring; the end, away from the touch button, of the guide pull rod is fixedly connected with a handheld lantern ring, a connecting finger groove is formed in the handheld lantern ring, a user can hold the handheld lantern ring conveniently through the connecting finger groove, a guide clamping groove is formed in the side edge of the guide pull rod, and a limiting component is arranged on the side edge of the guide clamping groove. And the limiting part is used for limiting the position of the moved guide pull rod. According to the scrubber water tank lock catch structure, when the shell is disassembled and assembled, the situation that fingers need to press the button all the time is avoided, the resilience force of the spring is prevented from pressing the fingers all the time, the resistance generated when the lock catch moves can be reduced, and the pressure needed when the fingers press the button is reduced.

The utility model provides a kind of buffer device of automobile shock absorber, it is related to automobile shock absorber technical field, and it includes: fixed seat, first connecting support, protection assembly, buffer assembly, second connecting support and connecting hole;The protection assembly includes base, protective shell and T-shaped guide slot;The buffer assembly includes mounting seat, damper, spring, top block and T-shaped guide block.The utility model can when vehicle travels and meets bump or obstacle, impact force is passed to second connecting support by suspension and is passed to top block, top block drives T-shaped guide block to slide along T-shaped guide slot, spring is compressed to absorb energy, damper shrinks to consume energy, ensure top block movement stability by T-shaped guide block and T-shaped guide slot cooperation, reduce abrasion and prolong life, spring and damper collaborative work improve buffering effect, improve driving stability and ride comfort, and protection assembly effectively blocks impurity to ensure reliability.

The present invention provides a bulletproof door collision, which belongs to the field of door collision technology. It solves the technical problem that the existing door collision structure may bounce off when the impact force on the door body is large. The bulletproof door collision includes a seat body and a collision head, the seat body is provided with a travel cavity, the inner end of the collision head is slidably fitted in the travel cavity, a damping member is provided between the inner end of the collision head and the seat body, and the collision head is provided with a friction member that can abut against the inner side wall of the travel cavity. When the collision head slides toward the outside of the seat body, the pressing force of the friction member on the inner side wall of the travel cavity gradually increases, and when the collision head slides toward the inside of the seat body, the pressing force of the friction member on the inner side wall of the travel cavity gradually decreases. The bulletproof door collision can effectively prevent the door body from rebounding and breaking free.

The utility model relates to nursing instrument technical field, concretely discloses a portable nursing box, include: box, still include: first protective layer, first protective layer is located in the box inner chamber, first protective layer is connected with the box inner chamber sliding, the base plate fixedly connected with a plurality of connecting shell, the connecting shell inner chamber sliding is connected with the slide, the slide upper end middle part fixedly connected with the support rod, the support rod is connected with the connecting shell sliding, the support rod upper end fixedly connected with the connecting plate, the connecting plate upper end with first protective layer lower end fixed connection. Through being provided with first protective layer, thereby in the process can protect precision instrument, can prevent in the transportation, precision instrument and the inner wall of box collide, when nursing box is impacted, first protective layer slides in the box inner chamber, then first protective layer will drive the connecting plate to move down, then drive the second spring to contract through the connecting plate, thereby the second spring absorbs part energy through the elastic deformation, reduces the impact force peak value.

The utility model discloses a profile cutting machine, which relates to the technical field of cutting machines, and comprises a base, a folding bracket, a cutting mechanism, a cutting mechanism and a cutting mechanism, and is characterized in that the base is used for mounting the folding bracket; the folding bracket is used for mounting the cutting mechanism, the holding and lifting mechanism and the cutting scrap flow guide mechanism; the cutting mechanism is used for cutting the profile; the holding and lifting mechanism comprises a first handle and a second handle; the first handle is fixedly arranged on the top of the folding support, and the second handle is fixedly arranged on one side face of the first handle. And the cutting scrap flow guide mechanism comprises an arc-shaped flow guide plate and an arc-shaped flow guide groove. By means of the device, cutting chippings can be more concentrated, the follow-up cleaning difficulty is lowered, meanwhile, the situation that the chippings sputter due to rebounding can be avoided, and in addition, lifting and moving operation can be carried out more conveniently and rapidly.

This invention relates to the field of power cable technology and proposes a high-toughness cross-linked polyethylene aluminum alloy cable, comprising a protective sheath, filler sand, wrapping steel wire, and a traction mechanism. The protective sheath wraps around the outside of the insulation layer, the filler sand is filled between the protective sheath and the insulation layer, and the wrapping steel wire is spirally wound around the outside of the insulation layer, positioned between the protective sheath and the insulation layer. The filler sand is positioned in the gaps of the spirally wound steel wire. When the wrapping steel wire bends, the filler sand is compressed and can creep within the protective sheath. The traction mechanism is detachably mounted on the protective sheath. When the cable bends, the traction wire can pull the cable within the inner loop of the bend. The traction mechanism is used to pull the bent portion of the cable after bending. This technical solution addresses the problem in the prior art where aluminum alloy cables are subject to small-angle bending and repeated bending under compression.

The utility model provides a circuit breaker with an airflow buffering effect, which relates to the technical field of circuit breakers and comprises an arc running channel, an arc extinguishing chamber and an exhaust structure, the exhaust structure comprises a main exhaust channel, an airflow buffering chamber and an arc outlet, the airflow buffering chamber is connected with the main exhaust channel through an inlet and an outlet, and the main exhaust channel is connected with the arc outlet. The inlet and the outlet are arranged in parallel, and the volume of the airflow buffer chamber is at least half larger than that of the main exhaust passage. Through the arrangement of the airflow buffer chamber, part of airflow is cooled in the airflow buffer chamber and then discharged through the outlet to form an annular airflow buffer channel, the airflow is effectively prevented from rebounding back to the arc running channel, and therefore the breaking capacity of a product is improved, electric arcs and the airflow can be cooled through the arrangement of the airflow buffer chamber, and the service life of the product is prolonged. And metal particles sprayed from the arc outlet can be effectively reduced, so that the grid distance of product breaking can be reduced.

The invention relates to the technical field of automobile seats, and discloses a quickly resettable automobile seat, comprising: a seat part comprising a base cushion; the backrest is rotatably arranged on the seat part; the connecting rod mechanism is arranged between the base and the cushion and comprises a spring energy storage module, a first connecting rod, a second connecting rod and a third connecting rod; the spring energy storage module comprises an energy storage spring, a mounting bracket, an inner sliding sleeve, a lock catch and a screw rod motor; the energy storage spring is arranged between the mounting bracket and the inner sliding sleeve; when the cushion is in a zero-gravity position state, the energy storage spring is compressed, and the lock catch locks the inner sliding sleeve; when the lock catch is unlocked, the elastic potential energy of the energy storage spring bounces off the inner sliding sleeve and the lead screw motor, so that the seat cushion is quickly reset. The quick resetting device has the advantages that the quick resetting of the automobile seat can be realized without developing a large motor and a small motor, the power supply requirement on the whole automobile is low, the cost can be effectively reduced, and the product upgrading is convenient; and any part is not damaged in the resetting process, and the process is reversible.

This invention discloses a disposable foldable implantable intraocular lens (IOL) implanter. The implantable head is installed at the front end of the injector body and includes a movable flap, a fixed flap, and a folded lens portion. The folded lens portion is located at the front end of the central axis of the implantable head, the fixed flap is located at the rear end of the folded lens portion and connected to it, and the movable flap is located to the right of the fixed flap. The movable flap and the fixed flap are connected by a folding plate, and the movable flap can rotate based on the folding plate. The inner cavity of the folded lens portion includes a tail end and a tip end. The movable flap has a pre-loading groove for the lens near the central axis, and the fixed flap has a pre-loading groove for the lens near the central axis. The diameter of the pre-loading groove for the movable flap is less than or equal to the diameter of the tail end of the inner cavity of the folded lens portion. This invention is ingeniously designed, easy to operate, easy to insert but difficult to remove, prevents reuse, and is less likely to damage the lens when folded. When the lens passes through the inner cavity of the implantable head, it is less likely to scratch the lens, thus improving safety.

The present invention discloses a microbial remediation method applicable to uranium-contaminated groundwater, and relates to the field of water pollution remediation. The method comprises the following steps: conducting a uranium pollution survey on groundwater in a contaminated area, determining the contamination plume according to the uranium concentration, calculating the permeability coefficient of the rock and soil layer and the influence radius of the remediation well; constructing a plurality of remediation well positions so that the remediation areas of the plurality of remediation wells overlap and cover the contamination plume; adding a remediation agent in each remediation well, the remediation agent comprising sodium bicarbonate, sodium acetate, ethanol, ferrous sulfide and water. The present invention is applicable to the microbial remediation technology of uranium-contaminated groundwater, and the remediation agent considers three aspects, namely, regulating the environment, providing nutrition and preventing rebound, improving the living environment of microorganisms, stimulating and improving the biological reduction efficiency of heavy metal uranium by indigenous microorganisms in groundwater, and will not cause secondary pollution to the environment. The uranium contamination of groundwater can be continuously remediated, and the remediation area can be wide, and a large amount of manpower and material resources are not required, so the method is simple and economical.