286results about How to "Reduce movement speed" patented technology

The invention relates to the technical field of cable production, in particular to a stranding machine with a ship frame type cradle structure, which comprises a case, a rotation control mechanism and a take-up stand, and is characterized in that the rotation control mechanism is rotatably arranged in the case, the rotation control mechanism comprises two symmetrically arranged stranding bows, the stranding bows of the rotation control mechanism are used for allowing wires to pass through and stranding the wires, and the take-up stand is used for taking up the wires; the take-up frame is rotationally connected into the rotary control mechanism, a spool is rotationally arranged on the take-up frame, the take-up frame is provided with a wire arranging mechanism, the wire arranging mechanism comprises a first guide wheel, a second guide wheel, a third guide wheel, a fourth guide wheel and a wire arranging device which are arranged on the left side of the take-up frame, and the fourth guide wheel is arranged on the wire arranging device. The four guide wheels of the take-up stand are distributed along the diameter of the long axis of the stranding bow, and the take-up stand and the spool are distributed along the diameter of the long axis of the stranding bow, so that the diameter of the short axis of the stranding bow can be effectively shortened, the rotation radius of the stranding machine is shortened, overlarge centrifugal force is avoided, and finally vibration of a machine body and noise are reduced.

The invention discloses a laser positioning cutting machine for insulating silica gel sealing gasket machining, and belongs to the technical field of insulating silica gel sealing gasket machining. The laser positioning cutting machine comprises a workbench, and a fixing frame is fixedly installed at the top of the workbench; the cutting mechanism comprises a moving frame, a moving seat and a laser cutting head, the moving frame is installed on the outer side of the fixed frame in a sliding mode, the moving seat is installed at the bottom of the moving frame in a sliding mode, and an air cylinder is fixedly installed in the moving seat; and the clamping mechanism comprises a pressing frame, a screw rod, a driving plate and a pressing plate, a trapezoidal plate is fixedly installed at the top of the pressing frame, and a triangular plate is fixedly installed at the bottom of the driving plate. By means of the cutting mechanism and the clamping mechanism, automatic laser cutting of the sealing gasket can be achieved, the cutting precision is improved, burrs are avoided, meanwhile, the laser cutting parameters can be automatically adjusted according to the thickness of the sealing gasket under the cooperation of the linkage mechanism, efficient and complete cutting is guaranteed, and the cutting efficiency is improved.

The invention discloses a grinding device for large-area epoxy floor construction, and relates to the technical field of grinding, the grinding device comprises a cart, a loading frame is fixedly mounted on the surface of the cart, a driving motor is fixedly mounted on the side, close to the cart, of the loading frame, and a dust suction device is fixedly mounted on the side, away from the cart, of the loading frame; a carrying frame fixedly penetrates through the inner wall and the outer wall of the cart, a rotating rod rotationally penetrates through the top of the carrying frame, a grinding disc is fixedly installed at the bottom of the rotating rod, and the output end of the driving motor is in transmission connection with the rotating rod through a belt. The rotating rod is automatically cleaned through the cleaning plate during each inspection, so that the operation complexity is effectively reduced, the accumulation of dust and dirt is avoided, and the service life of the rotating rod is prolonged.

The invention is applicable to the field of advertisement putting, and discloses an interactive advertisement putting method, which comprises the following steps of: making advertisement content; setting an interaction element in the advertisement content; putting the made advertisement content to a target platform; collecting and analyzing interaction data of the user; and adjusting the display speed and the switching speed of the interactive elements based on the interactive data of the user. The interaction elements are arranged in the advertisement content, and the display speed and the switching speed are dynamically adjusted according to the real-time feedback of the user, so that the participation degree and the interaction experience of the user can be remarkably improved. For users with high interestingness and concentrated attention, the display speed is properly reduced and the interaction time is prolonged, so that the understanding and memory of the users on the advertisement content can be deepened; and for the users with low interestingness and distraction, the switching speed is accelerated to attract the attention of the users and maintain the participation degree of the users, so that the participation degree and retention rate of the users are improved, the click rate and conversion rate of the advertisement are increased, and the maximization of the advertisement effect is realized.

The utility model provides a movable automatic aerator which comprises a plurality of pontoons, a control box is fixedly connected to the pontoons in the middle, rotating shafts are arranged on the two sides of the lower end of the control box in an extending mode, a plurality of impellers are connected to the rotating shafts in a sleeving mode, and a flow guide plate is fixedly connected to the middle of the lower end of each pontoon in the length direction of the pontoon; the heads of the floating pontoons on the two sides are fixedly connected with steering engines, the output ends, extending downwards, of the steering engines are fixedly connected with rudder plates, a fixed baffle is arranged on the lower portion of the front end of the floating pontoon in the middle, and the fixed baffle is perpendicular to the flow guide plate. Compared with a traditional fixing mode, the device can move on the water surface, and it is ensured that the device can run at any place of a water area.

The utility model relates to the technical field of electronic control devices, in particular to a relay, which comprises a base, a movable contact assembly, a static contact piece and a magnetic circuit part, the movable contact assembly comprises a movable contact piece and a first elastic piece, the first elastic piece is connected with the movable contact piece, the magnetic circuit part is used for driving the movable contact piece to be switched between a closed position and an open position, the movable contact piece and the static contact piece are attracted at the closed position, and the movable contact piece and the static contact piece are disconnected at the open position; the base is provided with a limiting part, and the limiting part is configured to enable the first elastic piece to store energy in the action direction of the movable contact piece when the movable contact piece is located at the closed position and the open position, and to apply an acting force suitable for moving away from the static contact piece and an acting force suitable for moving towards the static contact piece to the movable contact piece. Therefore, the response speed of opening and closing of the moving contact and the static contact can be improved.

The invention discloses a photovoltaic power generation transformer installation device and method, and relates to the technical field of transformer installation, the photovoltaic power generation transformer installation device comprises a bottom plate, a protection frame is fixedly installed on the top of the bottom plate, a supporting plate is fixedly installed on the surface of the bottom plate, and a sliding groove is formed in the inner wall of the supporting plate; a limiting groove is formed in the face, close to the sliding groove, of the supporting plate. Wherein the fixing device comprises a sliding rod, a moving plate, a first arc-shaped sleeve, a connecting plate, a rotating plate, a second arc-shaped sleeve, a holding rod, a first spring, a short limiting rod and a long limiting rod, the sliding rod is slidably installed in a sliding groove, and the stability is improved by limiting the two sides of the sliding rod; and meanwhile, the positions of the sliding rods are rapidly adjusted to adapt to the distance between the concrete columns, the time for multiple adjustment is shortened, and the transformer installation efficiency is effectively improved.

The invention discloses a preparation method of a fully-polished glazed tile with deep continuous concave textures, which comprises the following steps: A, preparing a ceramic blank, pressing the ceramic blank, and drying to obtain a green body; b, printing mold ink on the surface of the green body according to a preset pattern to form a mold ink layer; c, carrying out shower coating and glaze polishing on the surface of the mold ink layer to form a concave texture layer; d, spraying dry granular glaze on the surface of the sunken texture layer to form a dry granular glaze layer; the raw materials of the dry granular glaze comprise dry granules, a fluxing agent and a suspending agent; and E, drying, firing in a kiln, and fully polishing to obtain the fully-polished glazed tile. According to the preparation method of the full-polished glazed tile with the deep continuous concave textures, on the premise that the glazed tile can meet the full-polishing requirement, the problems that an existing full-polished glazed tile is discontinuous in line and green in line, and the glaze surface is difficult to consider hardness, wear resistance, antifouling property and the like at the same time are solved, so that the actual use requirement is met.

The invention relates to the technical field of air cylinders for valves, in particular to a driving air cylinder for a valve, which comprises a cylinder body provided with a first accommodating cavity; the cylinder cover assembly comprises a first cylinder cover and a second cylinder cover which are arranged on the cylinder body, the second cylinder cover is provided with a first cavity and a first airflow channel which are communicated with each other, and a first sealing piece is arranged at an opening of the first cavity; the piston assembly comprises a piston rod, a first piston and a piston seat, one end of the piston rod penetrates through the first cylinder cover, and the other end of the piston rod is connected with the first piston; the first piston and the piston seat are located in the first containing cavity, the piston rod, the first piston and the piston seat move synchronously, the piston seat is arranged right opposite to the first cavity, the piston seat is provided with a first channel and a second channel which are communicated with each other, and the first airflow channel is communicated with the second channel.

The utility model relates to the technical field of radix tetrastigme traditional Chinese medicine planting, in particular to a traditional Chinese medicine planting soil loosening device which comprises a traction mechanism, the traction mechanism is connected with a dragging plate, a rotary tillage assembly used for loosening soil is arranged at the bottom of the dragging plate, and a lifting driving piece A used for controlling the rotary tillage assembly to ascend and descend is arranged on the dragging plate so as to change the soil loosening depth. The trowelling plate is connected with the dragging plate and used for crushing and trowelling the soil loosened by the rotary tillage assembly through traction of the traction mechanism. The movable frame is in sliding connection with the trowelling plate, and a lifting driving part B used for controlling the movable frame to ascend and descend is arranged in the trowelling plate. The top end of the furrow opener is provided with a mounting plate matched with the movable frame, and the mounting plate is provided with a limiting locking piece used for limiting the sliding of the mounting plate and the movable frame. According to the utility model, the tillage depth can be changed, rotary tillage, crushing, trowelling and ditching can be completed at one time, the ditching distance is adjustable, the operation is simple, and the furrow opener is convenient to mount and dismount.

The utility model belongs to the technical field of semiconductor manufacturing equipment, and particularly relates to a spraying device and coating developing equipment, the spraying device comprises a developing nozzle assembly and a blowing assembly, the developing nozzle assembly comprises a developing nozzle, the developing nozzle is provided with a liquid inlet port and a liquid spraying port, the liquid inlet port is used for introducing a developing solution, the liquid spraying port is used for spraying the developing solution, and the blowing assembly is used for blowing the developing solution; the blowing assembly comprises a gas nozzle, the gas nozzle is arranged on one side of the width direction of the developing nozzle, the gas nozzle is provided with a gas inlet port and a gas spraying port, the gas inlet port is used for introducing blowing gas, and the gas spraying port is used for spraying the blowing gas. The blowing gas can prevent the developing solution from diffusing to the front of the developing nozzle in advance, so that the moving speed of the developing nozzle can be properly reduced when thicker photoresist is developed, the problems of insufficient development and incomplete development caused by insufficient development of the photoresist at the bottom are solved, the number of times of developing and spraying does not need to be increased, and the cost is reduced. Therefore, the developing process time can be remarkably shortened, and the working efficiency of semiconductor manufacturing is improved.

The invention discloses an antenna connector connecting device and a manufacturing process thereof, and relates to the technical field of antenna connector connection.The antenna connector connecting device comprises a table, a double-hole block is fixed to the right side of the top face of the table, two round holes are formed in the top face of the double-hole block, and two through holes are formed in the left side of the double-hole block; one ends of first springs are fixed to the bottom ends of the interiors of two round holes of the double-hole block respectively, a middle arc plate is fixed to the other ends, away from the double-hole block, of the two first springs, a U-shaped guide plate is fixed to the left side of the top face of the table, a U-shaped sliding plate is slidably installed at the bottom end of the interior of the U-shaped guide plate, and a servo motor is fixedly installed at the bottom end of the interior of the U-shaped sliding plate; according to the invention, the arc strip plate is limited through the sliding rod, so that the problem that the connection effect of an antenna connector is poor due to the fact that one end of the antenna is not aligned with a terminal is avoided.

The utility model provides a handle device of a vehicle and the vehicle. The handle device comprises a guide rail, a worm, a rolling assembly and a handle. The guide rail is fixedly connected to a ceiling of a vehicle. The worm is directly or indirectly connected to the ceiling in a rotating mode, extends in the length direction of the guide rail and is spaced from the guide rail. The worm is in transmission connection with active power. The rolling assembly is configured to roll and move on the guide rail under the driving of the worm. The handle is fixedly connected to the rolling assembly. The handle device can meet the requirements of passengers with different heights and arm lengths on handles, and the effect of improving the use experience of the passengers is achieved. Meanwhile, due to the fact that the worm and gear mechanism has a self-locking effect, when the handle is not actively controlled to move, the position of the handle can be maintained, and firm support is provided for passengers.

The invention relates to the technical field of roadway stacking machines, and discloses an anti-skid roadway stacking machine which comprises a support installed on transportation equipment and located between two goods shelves, a plurality of goods storing and taking assemblies are arranged on the support from bottom to top at equal intervals, and the goods storing and taking assemblies are used for storing and taking goods; the stable frames on the two sides are driven by the driving assembly to move towards the goods shelf, the rolling wheels can abut against the top end of the goods shelf, and when the stable frames transversely expand, the adjusting assembly finely adjusts goods on the goods storing and taking assembly to ensure that the goods move to the center line of the support; the rollers stably roll at the top end of the goods shelf, so that the support can obtain continuous transverse counter-acting force to resist any transverse moment possibly causing slippage, such as slippage of the support caused by wet and slippery ground, uneven load and the like, and the gravity center of goods is adjusted to prevent unbalance caused by unbalance loading of the goods.

The invention relates to a troubleshooting method and system for a data center, a terminal and a storage medium, and belongs to the technical field of data processing.The troubleshooting method comprises the steps that a fault patrol track is constructed according to the number and positions of devices in the data center; controlling a patrol camera to perform periodic patrol on the equipment according to the fault patrol track; acquiring a patrol video stream collected by a patrol camera in a patrol process; judging whether the data center is abnormal or not according to the patrol video stream; and if yes, positioning an abnormal position, and sending alarm information. In addition to monitoring of operation data in the equipment, the inspection camera can be controlled to perform periodic inspection according to a fault inspection track by constructing the fault inspection track, so that whether the data center is abnormal or not is judged according to the obtained inspection video stream, the abnormal position is positioned, and alarm information is sent. Therefore, the monitoring comprehensiveness of the data center is improved, and the fault position can be positioned in time.

The invention discloses a modularized high-speed roller conveying line and a working method thereof, and relates to the technical field of roller conveying, the modularized high-speed roller conveying line comprises a stand, a plurality of rotating shafts which are evenly distributed at intervals are movably arranged on the inner side of the stand, roller bodies are arranged at the two ends of each rotating shaft, and trays are placed above the roller bodies at the two ends of each rotating shaft; two clamping grooves are formed in the bottom of the tray, the roller bodies at the ends of the rotating shafts correspond to the clamping grooves in a one-to-one mode, the roller bodies roll below the inner sides of the corresponding clamping grooves, a tooth groove is formed in the top wall of each clamping groove, a reinforcing assembly meshed with the tooth groove is arranged on the outer side of each roller body, and the roller body at one end of each rotating shaft is fixedly connected with the corresponding rotating shaft; the distance between the roller bodies at the two ends of the rotating shaft is changed through the adjusting assembly, trays of different sizes can be placed on the roller bodies at the two ends of the rotating shaft, and the trays within the wide size range can be conveyed.

The invention discloses a high-pressure water spraying rust removal device for a ship outer plate, and belongs to the technical field of ship rust removal. The high-pressure water spraying rust removal device comprises a water tank, a plurality of cameras are fixedly mounted on one side of the water tank, and a controller is fixedly mounted on the front side of the water tank; the spraying mechanism is used for spraying high-pressure water flow, the spraying mechanism comprises a high-pressure water pump and a spraying cylinder, a water outlet of the high-pressure water pump is communicated with a hose, the top end of the hose is communicated with the spraying cylinder, and the outer side of the spraying cylinder is communicated with a plurality of high-pressure nozzles; the lifting driving mechanism is used for driving the water tank to lift; and the adjusting mechanism is used for adjusting the power of the driving motor and the high-pressure water pump, and the adjusting mechanism comprises a resistor strip, a mounting frame and a U-shaped frame. Through the monitoring mechanism and the spraying mechanism, the spraying pressure and speed can be automatically adjusted according to the spraying distance and the corrosion degree of the ship outer plate, so that the structure of a thick rust layer is effectively damaged, and a base material is prevented from being damaged.

The invention relates to a down filling device for down jacket production, relates to the technical field of garment processing, and aims to solve the problem of low working efficiency of manual fabric filling. The down filling device for down jacket production comprises a storage basket for storing filler and a transfer part for transferring the filler, the input end of the transfer part is communicated with a suction pipe for sucking the filler, and the output end of the transfer part is communicated with a conveying pipe for conveying the filler. And the end part, far away from the transfer piece, of the conveying pipe is communicated with a filling nozzle extending into the fabric. The fabric filling device has the effect of efficiently filling the fabric.

The utility model relates to a novel heating power inlet device which comprises a shell, a buffering structure is arranged in the shell, and the buffering structure is used for slowing down the speed of water flow and improving heat utilization. The buffering structure comprises a connecting box, a driving motor, a cross-shaped buffering fan, a water blocking rubber ring, a U-shaped pipe and a water inlet pipe; the connecting box is fixedly installed in the shell, the driving motor is fixedly installed in the shell 1 and located on one side of the connecting box, the cross-shaped buffering fan is rotationally connected to the interior of the connecting box, and one end of a rotating shaft penetrates through the connecting box and is fixedly connected with the output end of the driving motor; by arranging a buffer structure, the moving speed of hot water is slowed down, a temperature valve senses the water temperature in a U-shaped pipe, when the water temperature is higher than a set threshold value of the temperature valve, the temperature valve shrinks a circulation opening through an internal assembly so as to reduce the amount of water passing through, and power is supplied to a water pump through an electric box; the water pump guides water passing through the temperature valve into an external pipeline through the water outlet pipe; therefore, hot water with undissipated heat can be prevented from being discharged due to too fast flow speed of the hot water, and the heat utilization rate is increased.

The present invention discloses a plasma cutting device for producing marine cold storage, which belongs to the field of plasma cutting technology, and comprises: a base; a driving mechanism, the driving mechanism comprises a fixed frame, a mobile frame and a mounting plate, the mobile frame is fixedly mounted with a mobile plate on the top, the front side of the fixed frame is fixedly mounted with a first driving motor, and the output shaft of the first driving motor is fixedly connected with a first screw rod; a self-adjusting mechanism, the self-adjusting mechanism comprises a connecting plate, an adjusting plate and two balls, and the connecting plate is fixedly mounted on the bottom of the mounting plate; a plasma cutting gun, the plasma cutting gun comprises a plasma emitter and a cutting gun body arranged at the bottom of the plasma emitter. The present invention can automatically adjust the moving speed and working power of the plasma cutting gun when cutting workpieces of different thicknesses through the self-adjusting mechanism to meet the needs, thereby being able to adapt to the cutting work of complex components in marine cold storage.

The environment-friendly aluminum ingot water circulation cooling device comprises an obliquely-arranged conveying channel, a conveying channel discharging opening and a conveying channel feeding opening are formed in the upper end and the lower end of the conveying channel correspondingly, and partition pieces for dividing the interior of the conveying channel into a plurality of areas are installed in the conveying channel; a conveying part is arranged in each partitioned area in the conveying channel, a plurality of driving parts are installed in the partition parts, the driving parts make contact with the conveying parts, the upper surface of each partitioned area of the conveying pipeline is communicated with a cooling part, a regulation and control part is installed on the upper surface of the conveying channel, and the cooling parts are communicated with the regulation and control part. And the regulation and control piece is electrically connected with the cooling piece. According to the aluminum ingot cooling device, the aluminum ingot cooling speed is increased, and energy consumption generated when water is cooled in the cooling process is reduced.

The application provides a powder making device, and relates to the technical field of powder making.The powder making device comprises an atomization platform, a powder making torch and two auxiliary torches, the powder making torch and the two auxiliary torches are located above the atomization platform, a plane passing through the atomization platform and the axis of the powder making torch is a first separation plane, a plane passing through the axis of the atomization platform and being perpendicular to the first separation plane is a second separation plane, the powder making torch and the two auxiliary torches are located on different sides of the second separation plane, and the two auxiliary torches are located on the two sides of the first separation plane.The side where the two auxiliary torches are located is a first side, the side where the powder making torch is located is a second side, the direction of a first component force of the force exerted on the liquid drops by the powder making torch and pointing from the second side to the first side is opposite to the direction of a third component force of the resultant force of the forces exerted on the liquid drops by the two auxiliary torches and pointing from the first side to the second side, so that the moving speed of the liquid drops in the horizontal direction is reduced, and the liquid drops are prevented from being blown out of the atomization platform.

The utility model discloses a kind of brown corundum abrasive section sand devices, it is related to a kind of brown corundum abrasive section sand device technical field, including storage box one, the upper end of storage box one is connected with fairing, the lower side of the fairing is installed crushing mechanism, the crushing mechanism is used to crush brown corundum, the inside inclined way of storage box one is fixedly connected with screen, the screen is used to screen after crushing brown corundum, the left end of the left end of conveying pipe one is connected with conveying pipe one in the upside position of the right side surface of storage box one, the right end of the conveying pipe one is connected with conveying mechanism, the conveying mechanism is used to send back larger brown corundum to carry out again crushing, the right side of screen is respectively provided with cam, the upper rotating rod middle part is fixedly connected with rotating roller, the rotating rod on the lower side is fixedly connected with cam, the brown corundum that the rotating roller of rotation is blocked to the right lower rolling of screen, slow down the moving speed of brown corundum, improve the accuracy of screening, improve work efficiency.

The invention relates to the technical field of artificial intelligence, and discloses a method for adaptively adjusting the ratio of an improver based on an AI (artificial intelligence) algorithm, according to the method, multi-field parameters are obtained by using a composite material micro pile embedded with a sensing array, and the evolution trend of a stratum is predicted through a heat-water-force multi-field coupling evolution model. And an artificial intelligence algorithm calculates a modifying agent proportion vector changing along with depth according to a prediction result, and drives a grouting system to adjust the concentration of the active component. And the physical boundary of the micro pile group is utilized to guide a flow field to form a transverse overlapping reinforcing belt. The phase change component in the modifier releases latent heat at a preset temperature, and intervenes in formation heat balance in cooperation with physical heat barrier of the micro piles. And the system executes parameter inversion through measured data and updates an algorithm weight. According to the method, accurate matching of the treatment scheme and stratum heterogeneity is achieved, frost heaving deformation of the foundation is effectively restrained, and the structural stability of the high and cold large-thickness foundation is guaranteed.

A flange back face counter bore machining method comprises the steps that firstly, according to the diameter of a bottom hole in a flange and the diameter of a counter bore needing to be machined, a boring rod and a turning tool which are used for machining the counter bore are determined, and the flange is located on a part to be machined; secondly, the part to be machined is fixedly connected with a machine tool, then a main shaft of the machine tool is stopped at the center position of the bottom hole, meanwhile, the turning tool is fixedly connected with the lower portion of the boring rod, the mode that the boring rod and the turning tool penetrate through the bottom hole to reach the back face of the flange is judged according to the relation between the diameter of the boring rod and the diameter of the turning tool and the diameter of the bottom hole, and machining is completed. The machine tool spindle is connected with the boring rod through the clamp, and the turning tool and the boring rod penetrate through the bottom hole; thirdly, the machine tool is started, and a machine tool spindle operates according to the track to machine the counter bore; and fourthly, the turning tool and the boring rod retreat from the bottom hole. Therefore, according to the design, counter bores with large radial cutting depth and high precision can be machined in materials difficult to machine on the back face of the flange.

The utility model relates to the technical field of protective safety devices, and discloses a protective safety device for safety management of mine electromechanical equipment, which comprises four support plates, and mounting boxes are fixedly mounted at the tops of the four support plates. Through the arrangement of the sliding blocks, the first springs, the hinge rods and the top plate, when broken stones fall on the top of the baffle or the extension plate, downward impact force can be generated on the baffle and the extension plate, so that the baffle and the top plate move downwards, the top plate drives the two hinge rods to move, and then the two sliding blocks move oppositely; according to the device, the first spring is compressed, at the moment, the first spring can generate reverse elastic force under the elastic force recovery effect, and therefore the moving speed of the sliding block can be reduced, the downward moving speed of the top plate can be reduced, the buffering effect on impact force generated when broken stones fall can be achieved, and the service life of the device is prolonged.

The present invention discloses a gas injector and a vehicle, wherein the gas injector comprises an air inlet, an air outlet, an air inlet connector, a shell and an electromagnetic valve assembly; the shell comprises a cavity extending in an axial direction; an electromagnetic valve assembly is arranged in the cavity; one end of the air inlet connector is connected with the air inlet; the air inlet and the air outlet are arranged on opposite sides of the shell in the axial direction; the electromagnet assembly and the armature are arranged in the axial direction; the electromagnet assembly and the armature are both hollow structures, and the cavity of the electromagnet assembly is respectively connected with the cavity of the armature and the air inlet connector; the electromagnet assembly is used to attract the armature to move in the axial direction when power is supplied, so as to connect the air inlet with the air outlet, and when power is not supplied, the armature remains stationary and the air inlet and the air outlet are isolated from each other; a damping structure is arranged in the cavity of the armature; the damping structure is used to provide a force opposite to the moving direction of the armature to the armature when the electromagnet assembly attracts the armature to move in the axial direction toward the side close to the air inlet.

The utility model discloses an online weight grading device which comprises a conveying and weighing mechanism, a two-end limiting mechanism is arranged over the conveying and weighing mechanism, an auxiliary sorting mechanism is arranged on one side of the conveying and weighing mechanism, and output mechanisms are arranged on the two sides of the auxiliary sorting mechanism. According to the on-line weight grading device, a motor drives a limiting block on a lead screw to move on a guide rod, so that objects of different sizes can be rapidly subjected to limiting work during two-side conveying, and when the on-line weight grading device is used for outputting, by means of plates connected through shafts, when the objects slide on a slope, the objects are not prone to falling off when the objects slide on the slope. And an object touches the plate and drives the plate to rotate through the shaft, so that the moving speed can be reduced in the moving process of the object, and the phenomenon of collision and damage caused by too high speed is prevented.

The utility model relates to the technical field of vehicle frame assemblies, in particular to a vehicle frame assembly with buffering and energy absorbing functions, which comprises a vehicle frame assembly, a plurality of mounting grooves are formed in the surfaces of two ends of the vehicle frame assembly, buffering components are movably arranged in the mounting grooves, and each buffering component comprises a mounting frame movably inserted into the corresponding mounting groove. A top frame is slidably connected to the interior of the mounting frame, a plurality of buffer plates are fixedly mounted between the surfaces of the two sides of the interior of the mounting frame, protection assemblies are symmetrically and movably arranged at the two ends of the frame assembly, and each protection assembly comprises an anti-collision beam. According to the utility model, the damping type spring shock absorbers are used for damping and buffering some smaller impact, and when the received impact force is larger, the contraction stroke of the dampers is quickly contracted to the limit, so that the impact force is transferred to the top frame, the top frame breaks through the plurality of buffer plates, and the moving speed of the top frame is slowed down through the fracture and deformation of the buffer plates; therefore, the buffering and energy-absorbing effects of the front end and the rear end of the frame are improved.

The invention discloses a pull-type sensor snapping protection device, and belongs to the technical field of force standard machines, the pull-type sensor snapping protection device comprises a force standard machine rack, a reaction frame is connected in the force standard machine rack, the force standard machine rack comprises a rack base and a movable cross beam, a fixed cross beam is arranged between the rack base and the movable cross beam, and the fixed cross beam is connected with the reaction frame. The top of the movable cross beam is connected with a sensor buffer base plate, the center of the top of the sensor buffer base plate is provided with a standard sensor, and the outer side of the standard sensor is provided with a plurality of groups of buffer cylinders. According to the invention, the adjustment is more accurate, when the pull-type sensor is snapped, the standard sensor can be protected and prevented from being damaged, and when the pull-type sensor is fractured, the impact on the standard sensor caused by fracture can be relieved, so that the standard sensor is safer.