57results about How to "Slow down" patented technology

This utility model discloses a hot-pressing laminating device for producing paper honeycomb pallets, including a base. A transmission cavity is formed at the upper end of the base, and a threaded rod is rotatably mounted inside the transmission cavity. Two movable seats are threadedly connected to the external side of the threaded rod. A lower mold is mounted on the upper end of each movable seat, and the lower mold slides in engagement with the base. A cooling box is located at the middle of the upper end of the base. Four support rods are welded to both sides of the upper end of the base, and a top cover is mounted on the upper end of each support rod. A hot-pressing cylinder is mounted on the upper end of the top cover, and a lifting seat is located at the output end of the hot-pressing cylinder. This hot-pressing laminating device for producing paper honeycomb pallets cools the paper honeycomb pallets through contact between cold air and the pallets, significantly shortening the time required for the pallets to cool to a safe operating temperature. Simultaneously, it achieves the synchronous execution of the hot-pressing laminating and cooling processes, greatly increasing production efficiency.

The utility model discloses a cigarette carton packaging machine's cigarette deceleration device, include: conveying assembly and deceleration subassembly, conveying assembly includes first fixed block, second fixed block, first slide and second slide, and first fixed block and second fixed block are arranged below cigarette carton packaging machine export passage respectively, and are located the both sides of export passage, and first slide and second slide are arranged on the inboard wall of first fixed block and second fixed block respectively, deceleration subassembly includes fixed plate and brush, and fixed plate is located the outside of first fixed block and second fixed block respectively, and brush sets up on the inboard wall of fixed plate, and brush is butt joint with the outer wall of cigarette. When using, cigarette moves in first slide and second slide, when cigarette moves to the top of fixed plate, and brush contacts with the outer wall of cigarette, and the friction effect of both effectively reduces the movement speed of cigarette, reduces the risk that cigarette appears and collides and deforms, and the bristle of brush also carries out cleaning to cigarette surface, improves product quality.

The present application relates to the field of heart rate monitoring, and particularly relates to a method and device for monitoring heart rate during exercise based on a smart watch. The method comprises the following steps: obtaining geographical position information of a user based on a smart watch, identifying a user exercise scene, and generating an exercise scene type; collecting original heart rate detection parameters, performing time series heart rate feature analysis, and constructing a heart rate feature set; performing deep exercise mode recognition on the exercise scene type and the heart rate feature set, and obtaining a user exercise mode; performing global heart rate situation awareness on the heart rate feature set, and constructing a global heart rate situation map; and performing comprehensive risk assessment and self-adaptive early warning decision-making on the global heart rate situation map according to the user exercise mode. The present application realizes self-adaptive analysis of a user heart rate state, and improves user exercise safety assessment efficiency and accuracy.

The utility model discloses annealing equipment for stainless steel plate production, which comprises a box body, a door plate arranged on one side of the box body, a cooling assembly arranged in the box body, a mounting box arranged on the box body, an extraction assembly arranged on one side of the mounting box, a conversion assembly arranged in the mounting box, a fixing plate arranged on one side of the fixing plate, and an inclined pipe arranged on one side of the fixing plate. A sponge block is arranged on the other side of the fixing plate and connected with one end of a mounting frame, a sponge block is also arranged at the other end of the mounting frame, an extrusion plate is arranged at the end of the sponge block, a condensation pipe is mounted in the mounting frame, a drainage pipe is arranged on one side of the mounting box, and a driving mechanism is arranged in the mounting box. According to the annealing equipment for stainless steel plate production, water vapor is conveniently recycled through the conversion assembly, so that water resources are saved, a sponge block can be regularly extruded through an extrusion plate driven by a motor, absorbed water is discharged, and the water vapor treatment efficiency is further improved.

The application discloses a panel laminating device for electronic display screen production and relates to the technical field of display screen lamination.The panel laminating device comprises a base, a vacuum laminating machine is fixedly installed at the top of the base, a pneumatic cylinder driving device is arranged in the vacuum laminating machine, a laminating pressing plate is fixedly installed at the output end of the pneumatic cylinder driving device, a linear driving module is fixedly installed at the top of the base, and a carrying sliding table is fixedly installed at the moving end of the linear driving module.The panel laminating device can complete the distance calibration and positioning of four groups of display screen panels at one time through the right-angle positioning function of the cross-shaped baffle, can adapt to the synchronous lamination operation demand of multiple groups of display screen panels, and can shorten the time consumption of single-batch positioning.

The utility model relates to the technical field of automobile manufacturing, and discloses an anti-deviation lifting platform clamping mechanism for an automobile coating production line, which comprises a platform plate and a control device, and one side of the platform plate is fixedly connected with two adjusting components. According to the anti-deviation lifting platform clamping mechanism for the automobile coating production line, through arrangement of the adjusting assembly, the adjusting assembly, the rotating assembly and the limiting column, when the anti-deviation lifting platform clamping mechanism is used, a first motor and a second motor can be started correspondingly according to the width or the clamping height of an automobile body, and a positive and negative threaded rod drives a moving part to move; the screw rod drives the lifting part to adjust the height and clamp the automobile, the limiting column is unscrewed, the rotating shaft can rotate in the fixed pipe fitting, and the clamping angle is adjusted, so that the effects of clamping the automobile and preventing shaking are achieved, and the situation that the automobile body is large, deviation possibly occurs in the lifting or coating process, and the service life of the automobile is prolonged is avoided. And the stability in the lifting or coating process can be ensured.

This application relates to an elevator door operator control method, device, system, and computer equipment. The method includes: acquiring the door operator's operating information and determining whether the door operator is obstructed or overshooting based on the operating information; if the door operator is obstructed, and its operating speed is greater than a first preset speed, then controlling the door operator's operating speed to decrease until it is no greater than the first preset speed, and updating the original operating speed curve based on the obstruction position, the original operating speed curve including the correspondence between the door operator's operating position and operating speed; if the door operator overshoots, controlling the door operator's operating speed to decrease based on a preset adjustment coefficient until the door operator's operating speed matches the original operating speed curve. The elevator door operator control method provided by this application can ensure the safety of subsequent passengers and the safe operation of the elevator door, making the process of the elevator door resuming operation after encountering obstruction smoother, and making the control of the door position and door speed more precise.

This invention relates to the field of steam appliance technology and discloses a novel steam flow channel structure, comprising a closed cavity formed by assembling a base plate, a mounting frame, a cover plate, a frame, and a top plate. The closed cavity contains a flow channel for water flow and vaporization. At least one water-blocking rib is provided on the inner wall of the flow channel. This rib obstructs and impacts the water as it flows through, prolonging the water's residence time within the channel and promoting the refinement of water molecules. Through the inverted fish-scale-shaped water-blocking rib structure, as the water flows within the channel, it continuously collides with and rebounds against the ribs, slowing the water's forward speed and increasing the contact time between the water and the inner wall of the channel. Simultaneously, the hook-shaped structure causes secondary collisions between water molecules after initial impact, breaking large water molecule clusters into smaller clusters, making it easier for the water to absorb heat and complete vaporization, thus improving vaporization efficiency.

The invention provides an efficient cleaning method for lighting equipment, and relates to the field of tunnel engineering.The efficient cleaning method comprises the steps that firstly, a moving track (100) is preset below the highway tunnel lighting equipment; afterwards, a cleaning device (200) is placed on the moving track (100), and the cleaning device (200) comprises a moving frame (10), a rack (20), a driving assembly (30), a differential transmission assembly (40), a cleaning assembly (50) and a belt transmission assembly; by starting the driving assembly (30), the driving assembly (30) controls the moving frame (10) and the cleaning assembly (50) to operate through the differential transmission assembly (40) and the belt transmission assembly respectively, and the lighting equipment is cleaned. According to the method, the lighting equipment in the expressway tunnel can be automatically and efficiently cleaned on the premise that a driving lane is not occupied.

The invention provides a commercial vehicle AMT auxiliary box gear shifting process control method which effectively reduces impact damage of a synchronizer, reduces the synchronization failure probability of the synchronizer and reduces forward gear impact and abnormal sound. The method is characterized in that during pneumatic gear shifting control, when a synchronization starting position is approached, air inlet is controlled through low frequency, and pressure in a gear shifting air cavity is reduced in advance, so that the movement speed of a piston of a corresponding air cylinder is reduced, and when a synchronizer is in contact, the pressure of the air cavity reduces synchronous torque due to low-frequency air inlet and exhaust; and when the position of the auxiliary box is recognized to pass through the synchronous position, the original frequency is recovered for air intake, and the gear shifting action is completed.

The application relates to the technical field of train emergency ramps, in particular to an electric recovery ramp system which comprises a box body, a rotating combination, a braking assembly and a clamping assembly. The box body is installed on a frame body and is provided with an outlet hole. The rotating combination comprises a lead screw, a first rotating piece, a second rotating piece and a first rope. The lead screw is rotatably installed on the box body, the first rotating piece and the second rotating piece are in threaded connection with the lead screw, one end of the first rope is wound on the first rotating piece, the other end of the first rope passes through the outlet hole and is connected with a pedal, and the braking assembly comprises a braking piece which is in abutment or separation with the second rotating piece. When the ramp is unfolded, the clamping assembly clamps the lead screw. When the pedal is turned down and the first rope is pulled, the first rotating piece rotates on the lead screw and is connected with the second rotating piece. Then the braking piece reduces the rotating speed of the second rotating piece and causes the speed of the pedal to be turned down to be reduced, so that the advantage of the buffer function is realized.

This utility model relates to the field of battery electrode coating technology, specifically to a wedge block device for adjusting the inclination and thickness of electrode coating. The device includes a wedge block body for mounting on a coating plate and adapted to the length direction of the coating plate, with a coating outlet; at least two pressure plates, spaced apart along the length direction of the wedge block body and fixed to the wedge block body by elastic components. Due to the elastic components, the pressure plates are compressed after contacting the conveyor table, slowing the forward speed of the coating plate and preventing direct contact between the coating plate and the battery electrode. Simultaneously, the compression of the elastic components allows for more precise control of the distance between the coating plate and the battery electrode, making the inclination and thickness of the coating easier to control. This solves the technical problems of poor precision and accidental contact with the battery electrode in existing technologies when adjusting the distance between the coating head, scraper body, and battery electrode.

The utility model relates to a premixed mortar production line sand material blanking device relates to mortar blanking device technical field, including the blanking hopper, the inside opposite side of blanking hopper all is provided with bearing body no.

A drive control device of an electric vehicle includes: brake devices (30a to 30d) provided respectively at left and right wheels of the vehicle; a front motor (4) and a rear motor (6) that drive and regeneratively brake the wheels of the vehicle; a vehicle motion control section (37) that calculates a brake additional demand amount corresponding to an additional amount of a yaw moment added to the vehicle, in accordance with a running state of the vehicle; a brake ECU (31) that controls the brake devices (30a to 30d) independently of each other in accordance with the brake additional demand amount to control a yaw moment of the vehicle; and a motor torque control section (39) that controls drive torque and regenerative braking torque of the front motor (4) and the rear motor (6), the motor torque control section (39) executing correction to increase the drive torque or decrease the regenerative braking torque in accordance with an increase in braking torque of the brake devices (30a to 30d) in accordance with the brake additional demand amount.

The utility model discloses a sewage treatment medicament adding device which comprises a stirring tank, the bottom of the stirring tank is fixedly connected with a supporting frame, the top of the stirring tank is fixedly provided with a discharging tank, a discharging mechanism is fixedly assembled between the discharging tank and the stirring tank, and the side wall of the stirring tank is fixedly connected with a liquid inlet pipe. A first switch valve is fixedly assembled in the liquid inlet pipe, a stirring mechanism is assembled in an inner cavity of the stirring tank, the bottom of the stirring tank is fixedly connected with one end of a liquid outlet pipe, and the other end of the liquid outlet pipe is fixedly connected with a mixing mechanism. A chemical agent solution subjected to slow release is added into sewage through a liquid outlet pipe and enters a sewage pool along with the sewage, and compared with a traditional treatment mode that a chemical agent is directly added into the sewage pool, the mixing degree between the chemical agent and the sewage can be improved through the device, so that the chemical agent is more uniformly distributed in the sewage, and the sewage treatment efficiency is improved. Therefore, the treatment effect on the sewage in the sewage pool is improved.

The application provides a range hood, comprising a shell, a volute assembly and an oil screen are arranged in the shell, the volute assembly is connected with an oil fume collecting device, the oil screen and the oil fume collecting device can generate an electric field with adsorption function, oil fume is ionized and charged when passing through the oil screen, and the oil fume collecting device adsorbs the charged oil fume particles, so that the collection of the oil fume particles is realized. The range hood provided by the application is connected with a positive electrode and the oil screen, a positive tungsten wire is arranged in the oil screen, the positive tungsten wire releases static electricity, so that the oil fume particles or dust carry positive charges, a negative electrode plate is fixed on a fixed ring through a screw, a positive and negative electric field is formed, the adsorption effect of the charged grease on the negative electrode plate is improved, and the grease deposition on the oil screen is reduced.

This invention discloses an adjustable automotive expansion valve and method, belonging to the field of expansion valve technology. It includes a valve body, a rotary progressive valve opening assembly connected to the middle of the valve body, a self-locking valve body switch drive assembly connected to the upper end of the valve body, and a self-limiting manual adjustment assembly connected to the lower end of the valve body. The self-locking valve body switch drive assembly senses the temperature at the upper end of the valve body and drives the rotary progressive valve opening assembly to move. The rotary progressive valve opening assembly gradually controls the flow rate of the condensate at the lower end of the valve body, thereby achieving temperature regulation at the upper end of the valve body. When either the self-locking valve body switch drive assembly or the rotary progressive valve opening assembly malfunctions, the self-limiting manual adjustment assembly manually adjusts the condensate flow rate. The self-locking valve body switch drive assembly facilitates disassembly, replacement, and repair.

The present application relates to the technical field of grading machine, propose a kind of carbon powder special grading machine, including grading cylinder, the outer surface of the grading cylinder is sequentially installed with exhaust port and air inlet from top to bottom, and tangential with the outer surface of the grading cylinder, the front of the air inlet is installed with fan, the top of the grading cylinder is fixedly installed with support cylinder, the side of the support cylinder is installed with feed inlet, the top of the support cylinder is installed with motor.The device can produce up and down vibration when the distribution disc rotates, the material in the "distribution area" is vibrated and scattered, the material with smaller quality is gradually moved to the upper layer, and the material moved to the upper layer can be horizontally moved to the outside of the distribution disc through the support plate and the vertical plate, while the material with larger quality is directly vertically downward through the discharge port, increasing the gap between the two materials, so that the material with smaller quality can be quickly separated, thereby realizing the function of improving the grading efficiency of the device.

The utility model discloses a Vienna rectification high frequency inversion charging pile, and relates to the charging pile technology field, the Vienna rectification high frequency inversion charging pile comprises a charging pile main body and a heat dissipation door hinged on one side edge of the back surface of the charging pile main body through a hinge, and the surface of the heat dissipation door is provided with a mounting port. By arranging the heat dissipation assembly, the purposes of automatically starting the speed-adjustable heat dissipation fan and improving the heat dissipation efficiency can be achieved, in the using process, the temperature sensor monitors the temperature in the charging pile, if the temperature is higher than a preset temperature threshold value for automatically starting the speed-adjustable heat dissipation fan, the temperature sensor generates a signal to the PLC, and the PLC controls the charging pile to start the speed-adjustable heat dissipation fan. The PLC controls the speed-adjustable cooling fan to be turned on, the speed-adjustable cooling fan conducts heat dissipation on the interior of the charging pile, heat is discharged to the outside, high efficiency of heat dissipation is guaranteed, the situation that heat accumulates in a cabinet of the charging pile, normal operation of the charging pile is possibly affected due to overheating is avoided, and the service life of equipment is prolonged.

This utility model relates to the field of aircraft safety technology and discloses a safety airbag triggering mechanism for low-altitude aircraft. It includes a mounting cylinder with a release port at the bottom and a protective cover inside the release port. A lead screw is fixedly connected to the top of the mounting cylinder, and a rotating nut is threaded onto the lead screw. A connecting rod is fixedly connected to the rotating nut, and a rotating lifting plate is fixedly connected to the connecting rod. A folding parachute is housed in the airbag compartment between the rotating lifting plate and the protective cover. A first counterweight is fixedly connected to the edge of the folding parachute, and a fixing block is fixedly connected to the connecting rope of the folding parachute. The fixing block is fixedly connected to the rotating lifting plate. This utility model senses the aircraft's descent attitude through a second counterweight. When the aircraft flips, the folding parachute rapidly rotates and unfolds under centrifugal force, thereby reducing the aircraft's descent speed and improving its safety.

This application relates to a switch assembly and device. The switch assembly includes a housing, a blocking part, and an operating part. The housing has a through hole. The blocking part is slidably mounted on the housing. The operating part includes a knob and a drive platform protruding from the side wall of the knob. The knob is rotatably mounted on the housing. The drive platform is drivenly connected to the blocking part and is adapted to drive the blocking part to slide, thereby opening or closing the through hole. Thus, the design of driving the blocking part to slide by rotating the knob reduces the operating space and ensures that the blocking part can always cover the opening when the housing size changes, improving the versatility of the switch assembly.

The application discloses a multi-layer anti-large-overload buffer air bag with different strength inside and outside, which is suitable for load buffering application scenarios with different strength impact overload. The multi-layer anti-large-overload buffer air bag with different strength inside and outside mainly comprises an inner air bag, an outer air bag, a chamber diaphragm and a fixing accessory. The inner air bag is integrated and used for providing support force for the load in the buffering process; the outer air bag is attached to the outer region of the inner air bag and used for protecting the inner air bag and the buffer; the diaphragm is located in the inner region of the outer air bag and used for separating different chambers of the outer air bag; and the fixing accessory is connected at the inner side of the cavity of the inner air bag and used for fixing the air bag and the buffer. The multi-layer anti-large-overload buffer air bag with different strength inside and outside has higher impact overload reduction capacity and can adapt to the buffering working condition when the chamber is damaged.

The application discloses a high-tower granulation industrial waste heat recovery feeding device, and relates to the technical field of heat recovery.The device comprises a preheating bin, a separate sleeve layer, a storage cavity, a slow-flow bin, a material flow channel, a feeding pipe and an adjusting structure.In the application, the material flows into the slow-flow bin through the feeding pipe and then reversely flows out from the channel between the inner wall of the slow-flow bin and the feeding pipe.The sudden reversal of the flow direction not only effectively reduces the material flow rate, but also makes the material strongly mix under the action of turbulent flow, breaks the stagnant dead zone of the traditional container center area, and improves the overall preheating effect, since the slow-flow bin and the variable-speed design slow down the overall flow rate of the material in the annular material flow channel, increase the residence time, and ensure that the heat of the heat-conducting medium can fully penetrate the material layer.

This utility model relates to the field of bicycle front fork technology and discloses an anti-bottoming bicycle suspension front fork, including a top tube. A fork shoulder is fixedly connected to the bottom of the top tube. Travel tubes are fixedly connected to the left and right sides of the fork shoulder. Rings are slidably connected to the bottom outer walls of both travel tubes. Fork holders are fixedly connected to the bottom of both rings. Hollow cylinders are fixedly connected to the opposite sides of both fork holders. Grooves are formed on the opposite sides of both fork holders. Hydraulic actuators are fixedly connected to the inner bottom of both hollow cylinders. A cross plate is fixedly connected to the other end of each hydraulic actuator. In this utility model, the damping force generated by the hydraulic actuators at the bottom of the hollow cylinders pressing down on the travel tubes during bumps, along with the rings assisting in the stable sliding of the travel tubes, effectively slows down the downward speed of the travel tubes when encountering impacts, preventing the fork from instantly bottoming out.

The utility model discloses a kind of injection mold internal thread core-pulling mechanism, including bottom plate, the top four corners of bottom plate are uniformly fixedly connected with support leg, the top of support leg is fixedly connected with mounting seat, the top of mounting seat is fixedly connected with fixed mould, the inside of fixed mould is slidably connected with multiple thimbles, the bottom of thimble is fixedly connected with backing plate, the bottom of backing plate is provided with limit plate, the limit plate is fixedly connected in the bottom of mounting seat, the bottom of backing plate is symmetrically provided with two slide rods, two the slide rod and limit plate are slidably connected, the surface of slide rod is movably sleeved with connecting spring. The utility model is by starting motor one, convex rib plate rotates, waits to rotate a certain angle and lifts batten upward, slide rod slides in limit plate, connecting spring is extruded and shrinks, thimble slides in fixed mould inside, to lift product upward, and due to the elastic force of connecting spring can slow down the speed of thimble moving up, avoid to cause damage to product.

This invention discloses an effective sliding mode control method for suppressing overshoot in the position response of a series elastic actuator. The method includes: designing a sliding mode controller and a lumped disturbance decoupling observer based on a dynamic model of the series elastic actuator system considering lumped disturbances. The sliding mode controller includes a Gaussian dynamic gain sliding surface and an anti-integral saturation superspiral reaching law; inputting the state feedback vector of the series elastic actuator system into the lumped disturbance decoupling observer, processing it, and outputting the lumped disturbance torque of the motor side and load side of the series elastic actuator system, then inputting it together with the preset position command of the load side into the sliding mode controller, processing it, and outputting the q-axis current reference value, thereby performing closed-loop control of the load side position of the series elastic actuator system. This invention, in point-to-point position control of the load side position of a series elastic actuator, can effectively reduce the overshoot of the load side position response while maintaining the system's high dynamic response capability.

This invention discloses a highly efficient plant protection machine for controlling major pests of cowpeas, belonging to the field of plant protection equipment technology. It includes a housing; the top of the housing is equipped with a blower assembly for blowing off diseased, withered leaves and insect-infested flowers from cowpeas; one end of the housing is equipped with a sweeping assembly for cleaning diseased and withered leaves from furrows and ridges; and the interior of the housing is equipped with a suction and crushing assembly for collecting the diseased and withered leaves after sweeping. In this invention, the blower can blow diseased and withered leaves attached to cowpea plants into furrows and ridges. Because the blower is fixedly connected to a vertical plate by a second spring, it generates a certain vibration amplitude during startup, causing it to swing. When the swinging blower touches the first springs on both sides, a reaction force is generated, causing it to return to its original position. This cyclical change in the blower's angle allows the airflow to cover a wider area of ​​the cowpea plant.

The utility model provides a discharging structure for rivet nut processing, which comprises a base. A box body is fixed on the base. A box door is movably installed on the side of the box body. The box door is hinged to the box body through a hinge. A barrel body is fixed on the top of the box body. A cover plate is movably installed on the top of the barrel body. A feeding hopper is fixedly installed on the cover plate. An air outlet is installed on one side of the feeding hopper. A discharging port is formed on the side of the barrel body. A slide seat is fixedly installed on the side of the discharging port. A buffer component is movably installed on the slide seat. When the discharging structure for rivet nut processing is in use, a driving motor drives a stirring plate to rotate, tumble and move the workpiece. When the workpiece is displaced, it cooperates with the air exhaust holes to blow air upwards for cooling. The stirring plate drives the workpiece to move, which is convenient for adjusting the cooling points of the workpiece.

This invention provides a joint control and monitoring system for ventilation safety in railway tunnel engineering. The monitoring system includes: a gas monitoring module, comprising a fixed sensor installed at a fixed location in the tunnel and a mobile sensor installed on the excavation face and work vehicle that advances with the construction progress; a fan unit, with the fan arranged at the tunnel entrance and connected to the excavation face via a tunnel ventilation belt; a power consumption monitoring module for monitoring the power consumption data of the fan unit; and a joint control and monitoring unit, which performs joint control and monitoring of the fan unit based on the data from the gas sensor and the power consumption monitoring module.

This invention belongs to the field of printing, specifically high-resolution image printing technology, and particularly to a technology for achieving high-precision printing output using a low-resolution printhead. This invention splits a high-resolution bitmap into multiple sub-images, printing them in stages. Utilizing the high-precision displacement characteristics of a linear raster motor, and based on the image precision, the printhead moves laterally a very short distance q after each printing cycle before proceeding to the next. After multiple printing cycles, all sub-images are printed, thus achieving high-precision printing. This invention eliminates the need for a high-precision printhead; high-precision image printing can be achieved using a low-precision printhead and the printing method described herein.