28results about How to "Prevent rebound" patented technology

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 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 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 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 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.

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.

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 utility model discloses a horizontal type hydraulic packing machine anti -rebound structure, including packing box, both sides of packing box are linked with side box, the side box is equipped with a plurality of vertical pole frames along its length direction in, vertical setting is in vertical pole frame, and the outside rotation of vertical pole frame is connected with a plurality of baffle frame, baffle frame includes rotating rod and with the packing box corresponding insertion portion, the inside packing box is connected with moving plate through telescopic cylinder, moving plate is set up and slides before and after, and be equipped with the pull arm on moving plate, pull arm with rotating rod sliding fit. Advantageous effect lies in: through telescopic cylinder and drive the movement of moving plate, realize the rotation of baffle frame to realize the position control to insertion portion, utilize insertion portion and insert into packing material can effectively prevent the rebound of packing material in the compression process, has improved the stability and efficiency of packing process.

The application discloses a large-scale flotation machine disperser replacement method for mines and belongs to the technical field of mine mechanical equipment. The method comprises the following steps: a new disperser composed of a new four-piece assembled arc block is adopted, a "composite process cutting method" is adopted to safely decompose an old integral rubber-steel composite disperser, that is, rubber of the main body is first cold cut, rubber of the steel plate area is then separated with the aid of heat, exposed steel plates are finally gas cut, and a complete limited space safety operation system is integrated; according to a slot-in situ replacement mode that old dispersers are hoisted out and new dispersers are assembled in slots, efficient, safe and accurate partial replacement of a core component of a large-scale flotation machine is realized, a construction period is short, risks are controllable, and a standardized maintenance process that can be popularized is formed.

The invention discloses stone screening equipment for concrete processing, and relates to the technical field of stone screening equipment for concrete processing.The stone screening equipment for concrete processing comprises a supporting frame, a screening box is fixed to the inner wall of the supporting frame, and a discharging hopper is fixed to the side wall of the screening box; and a driving motor penetrates through the side wall of the screen box. According to the stone screening equipment for concrete processing, when raw materials are poured into the screen mesh cylinder, the screen mesh cylinder is laid through the buffer plate, the impact force on the screen mesh cylinder when the raw materials are directly poured into the screen mesh cylinder is reduced, meanwhile, the situation that the raw materials rebound when being impacted on the screen mesh cylinder is avoided, and therefore the raw materials directly fall into the screen box from the end of the screen mesh cylinder; the problems that the relative weight of the stone and gravel mixed raw materials is large, the stone and gravel mixed raw materials directly fall on the same position of the screen mesh cylinder for a long time, the screen mesh cylinder is prone to being damaged, and the service life is shortened are solved.

The utility model relates to the technical field of tire manufacturing, in particular to a kind of steel cord straightener for aviation tire, it not only strengthens the straightening effect of steel cord by twice correction, avoid steel cord rebound bending, and can smearing lubricating oil to steel cord, slow down the friction between steel cord and straightening roll, extend device service life;Including support mechanism;Still including conveying mechanism, heating mechanism, oiling mechanism, pressing mechanism and straightening mechanism, conveying mechanism is installed on support mechanism and drives steel cord to forward delivery, heating mechanism is installed on support mechanism and heats lubricating oil, oiling mechanism is installed on heating mechanism and smears lubricating oil on steel cord, pressing mechanism is installed on support mechanism and carries out pre-straightening to steel cord, straightening mechanism is installed on support mechanism and carries out straightening to steel cord.

The application belongs to the technical field of battery pole piece production, and particularly relates to a battery pole piece automatic rolling equipment and a use method thereof. In view of the problem that the distance between upper and lower rollers of an existing rolling pair roller machine is not easy to adjust, thereby limiting the use range of the lithium battery pole piece rolling pair roller machine, the following scheme is provided. The scheme comprises a U-shaped base, a first adjusting extrusion roller and a first fixed extrusion roller, the first adjusting extrusion roller and the first fixed extrusion roller are arranged in the U-shaped base to roll the battery pole piece, a second adjusting extrusion roller and a second fixed extrusion roller, the second adjusting extrusion roller and the second fixed extrusion roller are arranged on the other side in the U-shaped base to roll the battery pole piece for the second time to prevent rebound, and two groups of lifting mechanisms, which ensure the thickness consistency of the battery pole piece and prevent rebound.

The utility model relates to a protective structure of a vertical machining center, which comprises a case and a protective assembly, and the protective assembly comprises a slide rail, a first electric push rod, a slide block, a second electric push rod, a protective cover, an oil tank, a recovery pump, a delivery pump, a hollow filter plate, a flow guide pipe and a nozzle. When the protection assembly is used, the position height of the protection cover can be adjusted through the first electric push rod, adjustment can be conveniently carried out according to the height of a machined workpiece, metal scraps can be conveniently blocked and protected, then the protection cover is adjusted, oil can be pumped from the oil tank through the conveying pump, the oil can be sprayed to the inner wall of the protection cover, and the protection assembly is convenient to use. And when metal chips splash to the inner wall of the protective cover, the oil liquid has certain viscosity, so that the metal chips can be adhered, the metal chips can be prevented from rebounding, and the metal chips in the oil liquid can be filtered and separated by the hollow filter plate along with continuous gliding of the oil liquid, so that subsequent collection and cleaning are facilitated.

The utility model provides a buffer wheel moves shower door, including first screen and second screen who connects each other vertically and the shower door who can slide left and right is installed on the second screen, the top of second screen is provided with guide rail, the length of guide rail is wider than the width of second screen, the length of guide rail from second screen stretches out is same with the width of shower door, the top side wall of shower door is provided with protruding, both sides of protruding are provided with pulley, the guide rail includes the slide rail who is located at the bottom and the accommodating portion who is located at the side, is provided with buffer in the accommodating portion. The utility model discloses a buffer wheel moves shower door buffer and absorbs impact force when the shower door is closed, significantly reduces vibration and noise, creates a quiet and comfortable environment, reduces the wear and tear of door body and track through the buffering effect, prolongs the service life of sliding door system. Pulley ensures that the door body slides smoothly, avoids shaking and jamming, improves the smoothness of operation, effectively prevents the rebound of shower door, avoids the safety hidden danger such as pinching, guarantees the safety of user.

The utility model relates to the technical field of inductor manufacturing, in particular to a lead correcting and bending device for an inductor. The lower module is arranged below the upper module through a linear bearing; the coil carrier track is arranged between the upper module and the lower module through the linear bearing; the correcting and bending assembly is vertically arranged on the lower end face of the upper module; the supporting assembly is vertically arranged on the upper end face of the lower module; and the two groups of driving components respectively drive the upper module and the lower module to slide towards the coil carrier track along the linear bearing. The device is convenient for fixing a coil to avoid the deviation of a lead wire, and the angle of the lead wire is corrected to avoid the deviation of a subsequent bending position; according to the device, the two sides of the lead are stressed at the same time through clamping of the correcting and bending assembly and the supporting assembly, and rebounding of the lead after bending is avoided.

This invention belongs to the field of polymer composite materials technology, specifically relating to a method for reducing the crystallinity of polyamide composite materials. The method for reducing the crystallinity of polyamide composite materials includes the following steps: adding pure polyamide and glass fiber in a certain proportion to a twin-screw extruder for melting, extrusion, cooling, drying, and pelletizing, then pressing the pellets on a compression molding machine. After compression molding, the product undergoes a moisture conditioning treatment to reduce its crystallinity and improve the stability and durability of the product.

The utility model belongs to fixed support processing technical field, proposes a kind of punching equipment for fixed support processing, including punching table, the upper end surface of punching table is equipped with mounting bracket, the upper end surface of mounting bracket is equipped with hydraulic rod, the output of hydraulic rod is equipped with punching assembly with the top of mounting bracket being penetrated, the upper end surface of punching table is equipped with punching seat below punching assembly, the side of punching table is equipped with blanking port, the side of the upper end surface of punching table is equipped with recess, the bottom of recess is equipped with sliding slot one, mobile assembly one is installed in sliding slot one, the upper end surface of mobile assembly one is equipped with mounting plate, the side of mounting plate is equipped with three-jaw chuck, the side of punching table is equipped with support seat below blanking port, the upper end surface of support seat is equipped with sliding slot two, mobile assembly two is installed in sliding slot two. This kind of punching equipment for fixed support processing, simple and reasonable structure, novel design, easy operation, with higher practicality, it is convenient to be widely used.

The application discloses a flexible attached probe ground test active gravity unloading method, and belongs to the technical field of extraterrestrial exploration.The application realizes the method as follows: a flexible attached probe structure is constructed.The flexible attached probe comprises a body bearing plate, a buffer cylinder, a buffer support rigid body structure, and a flexible connecting structure.Motors are respectively connected with the mass center of the flexible rod and the mass center of the node, and the force required by each motor is determined according to a static balance equation.A flexible attached probe gravity unloading ground test system is established.The test system comprises a supporting device, a moving device and a control system.The force generated by the motor is transmitted to the gravity acting on the flexible attached probe through a suspension rope, a motor and a pulley set to complete the quantitative and accurate gravity unloading of the flexible attached probe ground test, and the real simulation of the dynamic characteristics of the flexible attached structure is realized.The application can realize low-frequency motion within a limited range and compensate for large deformation of the structure through multi-node gravity unloading.

This utility model discloses a two-way structure endoscope. The two-way structure is embedded in the handheld part of the endoscope body. The two-way structure is movably connected to the endoscope device located at the free end of the probe tube via a first steering rope and a second steering rope. The two-way structure includes a lower gear cover, an upper gear cover, a gear rack assembly, a pressure tube, and a damping component. The gear rack assembly is located in the rear half of the lower gear cover. The lower gear cover and the upper gear cover have accommodating cavities for mounting the gear rack assembly. The pressure tube is movably located at the end of the lower gear cover away from the accommodating cavity. The damping component is located in the middle of the lower cover and has damping holes corresponding to the first and second steering ropes. The lower gear cover is screwed to the pressure tube and the damping component. The gear rack assembly is movably connected to a steering adjustment knob correspondingly located on the handheld part. This utility model has a simple structure, is easy to use, has low cost, long service life, and is easy to maintain, making it highly valuable for promotion.

The utility model discloses a folding mechanism of a film cutting and folding machine, and relates to the technical field of film processing, the folding mechanism of the film cutting and folding machine comprises a film cutting machine, the end portion of the film cutting machine is fixedly connected with a supporting table, and rectangular sliding grooves are formed in the supporting table in a rectangular array mode; thin film edge guide frames are symmetrically and movably connected to the upper portion of the supporting table, and the end, close to the thin film cutting machine, of each thin film edge guide frame is movably connected with an edge extrusion wheel. The film edge guide frame comprises side baffles, and a spiral guide face is integrally arranged on the side face of each side baffle. According to the film folding device, downward pressure is applied to the movable sliding block through the elasticity of the compression spring, so that the edge of a folded film is squeezed, the squeezing roller at the bottom of the movable sliding block guides the edge of the film, the phenomenon that the edge of the film rebounds after being folded is prevented, and the positioning column on the movable sliding block is in sliding fit with the circular groove, so that the film can be conveniently folded. And the limiting effect can be achieved.

The application discloses a kind of anti-rebound mechanisms for blasting door opening, including base, shell, locking rotary arm, reset mechanism, unlocking mechanism and stopper;Shell is fixedly installed on base;Locking rotary arm is rotatably installed on shell by a rotating shaft;Reset mechanism is arranged between shell and locking rotary arm, for providing elastic reset force to locking rotary arm so that it has a tendency to rotate towards the locking position;Unlocking mechanism includes electromagnet and connecting head, electromagnet is fixedly installed on base, connecting head one end is fixedly connected on locking rotary arm, the other end is drivingly connected with the core of electromagnet;Stopper is fixedly connected on blasting door.Wherein, the locking rotary arm has a locking position in the reset mechanism drive and embedded with stopper to prevent the rebound of blasting door, and an unlocking position in the electromagnet drive and separated from stopper by overcoming the reset force of reset mechanism.The application can realize reliable locking and quick unlocking, simple and durable structure, easy to install and maintain.

The utility model discloses a sand prevention structure of a sand blasting machine, which relates to the field of sand blasting machines and has the technical key points that the sand prevention structure comprises a case, a sand blasting cavity is arranged in the case, an adjusting device is arranged in the sand blasting cavity, a sand blasting head is arranged at the bottom of the adjusting device, buffer seats are arranged on two sides of the sand blasting cavity, and the buffer seats are connected with the sand blasting cavity. The buffer seat is located below the sand blasting head, a mounting cavity is formed in one side of the buffer seat, buffer cloth is arranged in the mounting cavity, the buffer cloth is made of a deformable material, a movable interval is formed between the buffer cloth and one side of the mounting cavity, fixing grooves are formed in the two ends of the mounting cavity, and the buffer cloth is arranged in the fixing grooves. A fixing plate is slidably connected into the fixing groove, and the technical problems that when high-speed sand flow impacts a hard protection plate, part of sand materials are reflected out, the rebounded sand materials fly away in the unpredictable direction, the damage range of a machine box is enlarged, and the risk of hurting operators exists are solved.

The utility model relates to stamping die technical field, concretely relates to a waste material guide structure of stamping die, including work table and bearing plate, the bearing plate sets up at the top of work table, the top of bearing plate is provided with lifting mechanism, the below of lifting mechanism is provided with stamping head, the below of bearing plate is provided with bulletproof mechanism symmetrically, the side of bulletproof mechanism rotatory mounting has operating board, the below of operating board is provided with dust removal mechanism, when the stamping head enters the inside of bearing plate, rotates the protective plate under the action of bulletproof mechanism, can avoid the waste material rebound through the protective plate, and bulletproof mechanism will make operating board keep perpendicular state while rotating, through the change of operating board angle, can adjust the jet direction of jet head, can effectively clean the waste material on the surface of stamping head, avoid the problem of not thoroughly cleaning the waste material and lead to the surface damage of mould.

The utility model discloses an automatic lithium battery electric property sorting device relates to lithium battery sorting technical field, including work table, feeding mechanism and detect unloading mechanism, and the feeding mechanism is installed at the top of work table, and the unloading port of feeding mechanism is provided with buffer receiving mechanism, the utility model discloses a buffer receiving mechanism is set up, adopts the buffer shock attenuation of half arc plate and bottom spring of symmetrical arrangement to realize when battery falling, inhibit battery rebound and accurate positioning, enhance the clamping stability of positive and negative electrode to the battery to guarantee the accuracy of detection data, with the linkage rack, gear and the interface rack constitute, make half arc plate action synchronous drive unloading guide plate to lift, form the dynamic limit guide of battery, prevent battery rolling or deviation in the detection process, and the guide mechanism of the configuration containing inclined guide strip and parallel guide strip can adapt to the stable conveying of different length batteries, and eliminate the deviation phenomenon caused by the size difference of battery.

The application relates to the technical field of material transfer, in particular to a magnetic material transfer equipment with an automatic obstacle avoidance function, which comprises stands and a cross beam. The two groups of stands are arranged in parallel on the ground. The cross beam is arranged above the two groups of stands. The cross beam and the two groups of stands are connected through first sliding seats. Compared with the current magnetic material transfer equipment, the application is provided with a detection assembly. Whether there is an obstacle on the moving path of the adsorption device can be sensed through the detection assembly. If there is an obstacle on the moving path of the adsorption device, the first sliding motor, the second sliding motor and the obstacle avoidance motor can control the material to change the position according to the range influenced by the obstacle. The application is also provided with a protection mechanism. The protection mechanism can play a role in stabilizing the material, so as to avoid that the material suddenly separates from the adsorption device and falls to the ground, and causes an unexpected safety accident.

This utility model discloses an automatic packing fixture for flexible packaging products, belonging to the field of automated packaging technology. It aims to solve the problems of existing suction cup packing mechanisms requiring manual product compression and prone to rebound. The fixture includes a horizontal fixed plate, a stationary clamping plate, a movable clamping plate, a first drive mechanism, a pressing head, and a second drive mechanism. The stationary clamping plate is fixed to the rear of the fixed plate, and the movable clamping plate is located at the front and driven by the first drive mechanism to achieve front and rear clamping compression. The pressing head is connected to the second drive mechanism for further pressing down after the product is placed in the box to prevent rebound. This utility model can improve the automation level of packing, prevent product rebound, enhance operational stability and versatility, and is suitable for efficient packing operations of flexible packaging products.

This invention discloses a gate control system and method for a split-type compression station. The control system includes a gate installed at the outlet of a compression chamber for closing or opening the outlet; a pusher movably installed inside the compression chamber for compressing waste within the chamber; a pressure sensor installed on the gate's oil circuit for real-time monitoring of the gate's pressure and uploading the data to the control system; and a displacement sensor installed on the pusher for real-time monitoring of the pusher's displacement and uploading the data to the control system. The control system receives and processes the data uploaded by the pressure and displacement sensors and controls the actions of the pusher and gate according to preset control parameters. This invention effectively prevents waste rebound, reduces gate closing resistance, makes gate closing easier, reduces the number of forced gate closures, and effectively improves system operating efficiency.