38results about How to "Increase downforce" patented technology

The invention discloses a solidified soil section diagonal bracing device with a self-balancing function, and relates to the technical field of diagonal bracing devices. Comprising an inclined supporting rod, a movable end, a self-balancing base and an auxiliary device, a locking ring synchronously drives a slope block to rotate when rotating, the slope block drives a dowel bar to slide down through a lever assembly, the dowel bar drives a pin piece meshed with the dowel bar to rotate and unfold, and the contact area of the bottom of an anchor rod and solidified soil is increased; the downward pressure borne by the transmission rod is larger, and the pin pieces can overcome the resistance of surrounding solidified soil to be unfolded more easily; through the arrangement of the multiple sets of anchoring assemblies, loads transmitted to the self-balancing base by the inclined supporting rods are automatically and evenly dispersed to all the anchoring assemblies, the self-balancing base is stressed in a balanced mode, and the situation that the self-balancing base is unstable due to the fact that local stress is too large is prevented. And the hydraulic telescopic device and the driving motor are matched with each other, so that the anchor rod is anchored into solidified soil, rotation is converted into linear movement through anchoring threads on the anchor rod, and the anchoring speed of the anchor rod is increased.

The invention discloses an efficient sludge dewatering device in the technical field of sludge treatment, which comprises a sludge frame which is a square screen frame with an opening at the top, a bottom sealing plate is embedded and sealed at the bottom of the sludge frame to block the sludge frame, and a sludge pressing plate and a hydraulic machine are arranged at the top of the sludge frame, so that sludge is put into the sludge frame; through cooperation of the sludge frame and the hydraulic machine, not only can bagged sludge be dewatered, but also fluid sludge can be directly pressed, so that filter-pressing dewatering can be completed, repeated centrifugation for waiting for sludge rotation to throw out moisture is not needed, and the sludge pressing plate is matched with the sludge frame to directly press, so that the sludge is left in the sludge frame, and the sludge can be conveniently dewatered. Sewage passes through the sludge frame and is discharged into the water filtering tank, so that sludge dewatering is facilitated, the operation can be completed by pressing once, the single-time dewatering efficiency is high, and a large amount of sludge transferred to the site can be dewatered more quickly.

The utility model relates to the technical field of asphalt road flattening devices, and discloses an asphalt road flattening device which comprises a flattening frame provided with two load-bearing rollers, an adaptive frame is arranged on the side edge of the flattening frame, a sliding bearing seat is arranged in the adaptive frame in a sliding mode, and the load-bearing rollers are arranged on the sliding bearing seat. The two ends of the load bearing roller are rotationally arranged in the sliding bearing seats, springs are arranged at the upper ends and the lower ends of the sliding bearing seats, and handrails used for pushing the flattening frame to move are fixedly arranged on the flattening frame. The asphalt pavement compacting device is simple in structure, has two compacting surfaces acting on an asphalt pavement, can increase the weight of the load-bearing roller by adding water to play a role in rapid compacting during working, and in addition, an additional downward pressure is effectively increased under the action of the linear vibrator, so that the compacting effect is better, and the asphalt pavement compacting device is suitable for popularization and application. Water can be drained after the water filling nozzle cover is taken down, the weight of the load-bearing roller is reduced, and transportation and movement are facilitated.

The metal amorphous trimming equipment comprises a rolling machine tool and side plates fixedly mounted on the two sides of the rolling machine tool, mounting plates are mounted on the upper portions of the side plates in an embedded mode, a fixing frame is fixedly mounted in the rolling machine tool, a liquid storage tank is fixedly mounted on one side of the fixing frame, and the liquid storage tank is fixedly mounted on the other side of the fixing frame. And two pump machines are fixedly mounted on the side plate on one side. When the metal plate is widened, the distance between the two conductive sliding blocks attached to the two sides of the metal plate through the attaching rods becomes far, then the output power of the electromagnet and the pump machine below the electromagnet is improved, and when the power of the electromagnet is improved, the magnetic repulsive force of the electromagnet and the limiting sleeve above the electromagnet is increased; and when the power of a lower pump machine is improved, the cooling liquid in the telescopic sleeve is increased, the telescopic sleeve extends, then the trimming sliding rod is pushed to slide towards the two sides in the second mounting sliding rod so as to increase the distance, and the trimming knife can properly cut and trim the two sides of the metal plate.

The invention relates to the technical field of offshore photovoltaic power generation, and discloses an offshore floating type photovoltaic supporting structure system which comprises a main floating pipe capable of providing main buoyancy support for the whole and providing enough buoyancy in seawater, so that the whole photovoltaic system floats on the sea surface; the auxiliary floating pipe, the main floating pipe and the auxiliary floating pipe are connected with the three-dimensional truss to maintain the overall shape and rigidity of the system, extra buoyancy is increased by the auxiliary floating pipe, the stability of the system under various ocean conditions is ensured, the buoyancy load of the system is dispersed through cooperation of the main floating pipe and the auxiliary floating pipe, local stress concentration is reduced, and the service life of the system is prolonged. The buoyancy of seawater and the action of waves should be considered in the design of the floating pipes, it is ensured that the system stably floats on the sea surface through reasonable layout and design, and it is ensured that the system can still keep stable under the action of strong stormy waves through the high-strength and rigid design of the three-dimensional trusses and the auxiliary trusses; and the stability and safety of the whole structure are kept.

The present invention relates to the technical field of universal joints, and discloses a universal joint for hanging that is easy to disassemble and assemble, comprising a top platform and a rolling ball that rotates on the top platform, a connecting rod is provided at the bottom of the rolling ball, the ball surface of the rolling ball is provided with an initial ball support frame assembly and an auxiliary ball support frame assembly for lifting the rolling ball, a push rod is provided on the top platform to abut against the surface of the rolling ball, an oil pumping tank is provided inside the top platform, and the push rod changes its position in the oil pumping tank by changing the position of the top groove, and a triggering part for triggering the auxiliary ball support frame assembly to open is provided inside the oil pumping tank. The present invention connects two adjacent first ball support frames and second ball support frames through an elastic rope, which will pull the first ball support frame and the second ball support frame, which were originally in different heights, to the same horizontal plane, that is, to achieve an increase in the downward pressure of the rolling ball with the connecting rod, and to increase the second ball support frame supporting the bottom to share the downward pressure, thereby improving the overall load-bearing capacity.

This invention discloses a variable cross-section tail wing suitable for FSAE racing cars, comprising a variable cross-section wing assembly, an upper sparsity wing, a first lower sparsity wing, a second lower sparsity wing, and endplates. The variable cross-section wing assembly consists of a main wing, a first flap, and a second flap; all three wings are variable cross-section wings. The variable cross-section wing is a small, continuous section raised at mid-span. The main wing, the first flap, and the second flap are sequentially mounted between the two endplates, roughly diagonally distributed, with the second flap featuring a grunt flap. The upper sparsity wing is mounted on the corner of the endplate, while the first and second lower sparsity wings are located near the bottom of the endplate. There are two endplates, symmetrically mounted on both sides, each featuring louvers, an outer edge flange, a leading edge notch, a trailing edge notch, and guide strips. The variable cross-section wing can reduce the turbulence caused by the headrest and minimize airflow slippage in the spanwise direction, resulting in a more uniform pressure distribution on the wing surface. The louver structure also reduces drag.

The present application relates to a building photovoltaic assembly and a green energy-saving building construction method, wherein the main technical scheme is a building photovoltaic assembly, which includes a mounting frame, a keel, an exhaust pipe, a supporting channel steel and a pressure plate, wherein the keel is arranged in a transverse direction, the supporting channel steel is overlapped on the keel, a photovoltaic panel is fixed in the mounting frame, the lower surface of the side of the mounting frame abuts against the upper surface of the plane plate; a vertically arranged cylinder is fixed on the lower surface of the plane plate, the lower end of the cylinder is connected and fixed with a mounting cylinder, the keel is provided with a mounting hole for inserting the mounting cylinder, the inner wall of the mounting hole is provided with a limiting hole, a limiting block for inserting into the limiting hole is slidably connected in the mounting cylinder; a first piston and a second piston are vertically slidably arranged in the cylinder, the first piston is located above the second piston, a negative pressure cavity is formed between the first piston and the second piston, and the exhaust pipe is used to evacuate the negative pressure cavity. The building photovoltaic assembly of the present application has a good earthquake-resistant effect.

This utility model relates to the field of grape cultivation technology and discloses a ridging device for grape cultivation, comprising: a base shell, a soil-breaking auger rotatably connected inside the cavity of the base shell, both ends of the soil-breaking auger extending out from the cavity of the base shell, a motor fixedly connected to the top of the base shell, a transmission belt fixedly connected to the output end of the motor, the transmission belt being sleeved on the output end of the motor and one end of the soil-breaking auger, and a support rod symmetrically fixedly connected to the rear wall of the base shell, the support rod being rectangular; and a filter stone structure, which is set on the rear wall of the support rod for screening the soil during ridging, the filter stone structure comprising: a rear shell, a ridging roller, a linkage belt, a screen plate, a screen groove, and a shifting groove, the rear shell being fixedly connected to the rear wall of the symmetrical support rod, the ridging roller being rotatably connected to the bottom of the rear shell, the linkage belt being sleeved on the side end of the soil-breaking auger and the end of the ridging roller, the screen plate being movably connected to the front wall of the rear shell, the screen groove being opened through the wall of the screen plate, and the shifting groove being opened on the front wall of the screen plate.

The utility model discloses a fixing device for a dark field focus lens, which belongs to the technical field of focus lenses and comprises a main body. The fixing mechanism is arranged below the main body and comprises a fixing seat, a rotating mechanism and a driving mechanism; the fixing seat is arranged below the main body; the supporting plate is arranged in the fixed seat; the first sliding assembly is arranged on the lower surface of the supporting plate; the pressure buffering assembly is arranged in the first sliding assembly; the second sliding assembly is arranged on the lower surface of the first sliding assembly; the adsorption assembly is arranged in the main body; according to the utility model, through the arrangement of the fixing mechanism, the problems that the focusing quality and precision of light beams are affected and the normal operation of equipment is affected due to the fact that the focusing mirror may fall off due to vibration or other external forces are solved.

The invention discloses a crushing device and a crushing method for inorganic nano material processing, and relates to the technical field of inorganic nano material processing, the crushing device comprises a crushing box, two groups of supporting legs are symmetrically mounted below the outer part of the crushing box, the top of the crushing box is connected with a feed port in a penetrating manner, and the bottom of the crushing box is connected with a discharge port in a penetrating manner; a sieve plate is fixedly installed on the lower portion of the interior of the smashing box, the smashing assemblies are arranged on the interior and the exterior of the smashing box, and each smashing assembly comprises a rotating shaft and a tensioning assembly and is arranged on one side of the exterior of the smashing box; according to the crushing device for the inorganic nano-material, when the inorganic nano-material is crushed, the situation that the rolling wheel can only move in one direction when the material is accumulated on the sieve plate can be avoided, the situation that the rolling wheel cannot cross the accumulated material after moving, and then the accumulated material is pushed to the two sides of the top of the sieve plate and the material is pushed to the rolling dead angle of the rolling wheel is avoided; the crushing quality and the crushing efficiency of the material are prevented from being influenced.

The invention relates to the technical field of universal joints, and discloses a hanging universal joint convenient to disassemble and assemble, which comprises a top table and a rolling ball rotating on the top table, a connecting rod is arranged at the bottom of the rolling ball, and an initial ball supporting frame assembly and an auxiliary ball supporting frame assembly which are used for supporting the rolling ball are arranged on the ball surface of the rolling ball. The top table is provided with an abutting rod abutting against the surface of the rolling ball, an oil pumping tank is arranged in the top table, the position of the abutting rod in the oil pumping tank is changed by changing the position of the top groove, and a triggering part used for triggering the auxiliary ball supporting frame assembly to be opened is arranged in the oil pumping tank. The first ball supporting frame and the second ball supporting frame which are adjacent to each other are connected through the elastic rope, the first ball supporting frame and the second ball supporting frame which are originally in different postures in height can be pulled to the same horizontal plane, that is, the downward pressing force of the rolling balls driven by the connecting rods is increased, and the downward pressing force is shared by increasing the number of the second ball supporting frames for supporting the bottom. And the overall bearing capacity is further improved.

The utility model discloses a kind of automatic bag opening machines of packaging bag, it is related to packaging bag automatic bag opening machine technical field, including storage frame, the inside of the storage frame is provided with packaging bag main body, the lower part of the storage frame is fixedly connected with support frame, the upper part of the support frame is fixedly connected with connecting frame, the side of the connecting frame is attached with movable plate, the upper part of the movable plate is provided with first suction cup, the side of the support frame is fixedly connected with fixed frame, the upper part of the fixed frame is fixedly connected with electric telescopic rod, the movable end of the electric telescopic rod is fixedly connected with connecting block. The utility model is provided with first suction cup, second suction cup, electric telescopic rod, has the effect of packaging bag suction bag opening, through the cooperation setting of connecting air pipe, fixed block and spray head, packaging bag bag mouth can be blown in the process of use, to increase the effect of bag opening of packaging bag, to increase the purpose of bag opening effect of packaging bag.

The embodiment of the utility model relates to the technical field of life electric appliances, and particularly discloses a sweeping robot which comprises a robot body, a front wheel and a rear wheel assembly. The front wheels are rotationally arranged at the front end of the robot body. The rear wheel assembly comprises a connecting arm, a rear wheel and an elastic assembly, the connecting arm is rotationally connected to the rear end of the robot body, the rear wheel is rotationally connected to the connecting arm, and the elastic assembly is connected with the robot body and the connecting arm. When the front end of the robot body ascends relative to the rear end of the robot body, the robot body moves relative to the connecting arm, so that the elastic assembly deforms, and the deformed elastic assembly increases the downward pressure of the rear wheels. By means of the mode, the obstacle crossing ability of the sweeping robot can be improved.

The utility model discloses a self-adaptive automobile spoiler device, which comprises a mounting bottom table, a height adjusting mechanism, lifting sleeves and a tail wing mechanism, the height adjusting mechanism is arranged in the mounting bottom table, a moving table is controlled to lift by a driving motor A, the lifting sleeves are driven by a connecting arm to stably move along a guide plate, and the tail wing mechanism is erected between the two groups of lifting sleeves. The empennage adjusting mechanism comprises an empennage frame with an airflow port and a plurality of groups of rotatable empennage plates, and the empennage adjusting mechanism adopts a driving motor B to be matched with a synchronous wheel-belt system to synchronously control the angles of all the empennage plates so as to realize the adjustment of the opening and closing degree and the inclination angle of the airflow port. The spoiler height self-adaptive lifting function and the empennage plate dynamic angle adjusting function are achieved, and the aerodynamic stability of a vehicle during high-speed running is optimized.

The embodiment of the utility model provides a diffusion device for a vehicle, and belongs to the technical field of automobile aerodynamic force. The diffusion device for the vehicle comprises a plurality of linear gas generators used for receiving external gas and outputting compressed gas; the gas storage tank is used for adjusting the pressure of compressed gas; the blowing enhancement diffuser is arranged at the bottom of an automobile body of the automobile, and the blowing enhancement diffuser is provided with at least two gas vortexes through which high-temperature automobile exhaust or compressed gas flows out to form low-pressure vortexes. The diffusion device for the automobile can generate high-flow compressed gas, and the flow rate of gas at the bottom of an automobile body is increased by blowing and generating low-pressure vortexes, so that the air pressure on the automobile body is increased, and the running stability of the automobile is improved.

The invention belongs to the technical field of batteries, and particularly relates to a battery cell hot-pressing method and a battery cell. The battery cell hot-pressing method comprises the following steps: applying a down force with a first preset value to a battery cell so as to pre-press the battery cell; carrying out electromagnetic heating on the battery cell for a first preset time; and increasing the downward pressure on the battery core until the standard pressure value is reached, and maintaining the pressure for a second preset time. The method comprises the following steps: pre-pressing and fixing a battery cell by adopting a small force, then generating an eddy current in the battery cell through electromagnetic heating, generating heat by the battery cell through a Joule heating effect under the action of the eddy current, and since a variable magnetic field can penetrate through the whole battery cell, the heating efficiency is higher, the diaphragm glue is fully dissolved, and the battery cell is pre-pressed and fixed at the moment; the structure, except for the diaphragm, of the battery cell can be prevented from being influenced by high temperature; after electromagnetic heating is finished, the battery cell starts to be subjected to hot pressing, at the moment, the battery cell has waste heat, the battery cell can be subjected to hot pressing through the waste heat of the battery cell, and the attaching effect of the diaphragm and the positive and negative pole pieces is guaranteed.

The invention relates to the field of hoisting technology, and discloses an electromechanical installation device for water conservancy and hydropower engineering, comprising an annular shell, a fixing frame fixedly connected to the top of the annular shell, a lifting ring fixedly connected to the top of the fixing frame, and a lifting stabilization mechanism, the lifting stabilization mechanism comprising a sliding plate slidably connected to the inner wall of the annular shell, four sliding plates are provided, an extrusion spring is fixedly connected between two sliding plates, two lifting devices are hooked to the bottom of a hydro-turbine generator seat, a crane is started, the crane drives the lifting ring to rise, the lifting ring drives the fixing frame to rise, the fixing frame drives the annular shell to rise, the annular shell drives the sliding plate to rise, the sliding plate drives a first rotating rod to rise, the first rotating rod drives a concave plate to rise, the concave plate drives a square plate to rise, the square plate drives the lifting device to rise, and the lifting device drives the hydro-turbine generator seat to rise, thereby transporting the hydro-turbine generator seat to an area where it needs to be installed.

The utility model relates to a front suspension bracket bottom fender and vehicle, the front suspension bracket bottom fender includes: fender body and spoiler, the spoiler is located the lower wall surface of fender body, the spoiler is located at least one side of left and right direction of fender body, and the spoiler is arranged close to the back side of fender body, the spoiler includes spoiler rib, the spoiler rib extends along the front and back direction of fender body, and protrudes downward. The front suspension bracket bottom fender of the utility model can disturb the airflow of the vehicle front axle area, increase the down pressure, increase the down pressure coefficient of vehicle front axle, improve the controllability of vehicle.

The utility model relates to a peritoneal dialysis catheter fixing wing which comprises a fixing seat, the bottom face of the fixing seat is provided with an adhesive sticker used for being pasted on the skin of a patient, the fixing seat is provided with an embedding groove used for embedding a catheter, and the fixing seat is provided with a pressing block used for pressing part of the catheter into the embedding groove. The fixing base is provided with a fixing structure used for preventing the guide pipe from sliding in the axis direction of the guide pipe, and the fixing base is provided with a clamping structure used for fixing the pressing block. By the adoption of the technical scheme, during use, the fixing base is pasted to the abdomen of a patient through the adhesive tape, the catheter is primarily positioned through matched use of the pressing block and the clamping structure, and the catheter is secondarily positioned through the fixing structure, so that the fixing stability of the catheter is ensured, and wound infection of the patient caused by traction of the catheter is avoided.

The utility model relates to the technical field of gilding presses, and provides a gilding press capable of improving the hot stamping flatness, which comprises a placing table, a hot stamping table fixedly connected to the top surface of the placing table, and a fixing block fixedly connected to the top surface of the placing table; the mounting plate is fixedly connected to the top surface of the fixing block; the adjusting assembly is arranged in the sliding groove, after a worker places cloth needing hot stamping on the top face of the hot stamping table, the driving motor is started, a driving shaft of the driving motor can drive a lead screw to rotate, at the moment, the lead screw can drive an extrusion frame to move through a sliding block, the extrusion frame is driven to rotate, and the cloth is extruded through the extrusion frame; the extrusion frame and the positioning frame which move downwards are matched for use, cloth placed on the top face of the hot stamping table can be extruded, the peripheral positions of the cloth placed on the top face of the hot stamping table are all lower than the height of the hot stamping table, the periphery of the cloth is pulled and tightened to a certain degree, and therefore the hot stamping flatness of the cloth in the later period is improved.

The invention discloses a grinding and polishing device for metallographic specimen preparation, and relates to the technical field of metal grinding and polishing. The device comprises a base, a stand column is fixedly mounted at the top end of the right side of the base, a connecting plate is rotationally connected to the periphery of the top of the stand column in a limiting mode, a mounting cylinder is fixedly mounted at the end, away from the stand column, of the connecting plate, pressing rotating assemblies are arranged in and below the mounting cylinder, and a grinding assembly is arranged at the top of the base; the pressing rotating assembly comprises a first rotating shaft, and the center of the top of the interior of the mounting cylinder is rotationally connected with the first rotating shaft in a limiting mode. Various different relative displacement modes between the metallographic specimen and the grinding piece can be achieved, operation is simple and effective, various different grinding and polishing modes can be provided according to needs, the grinding and polishing effect can be improved, the grinding piece can be replaced conveniently, meanwhile, the stability of grinding piece installation in the grinding and polishing process can be guaranteed, and the grinding efficiency is improved. Normal proceeding of grinding and polishing is guaranteed, and the grinding and polishing efficiency is improved.

The utility model discloses a contact structure of a toggle switch, which comprises a shell, a pair of static contacts arranged on the inner bottom wall of the shell, a contact piece capable of doing seesaw motion arranged at the inner bottom of the shell, movable contacts arranged at the bottoms of two ends of the contact piece, and compensation springs arranged between the movable contacts and the contact piece. The contact piece does the seesaw motion to enable the movable contact to be in contact with the static contact; an operation handle capable of swinging left and right penetrates through the top end of the shell, an action wheel is arranged at the bottom end of the operation handle, an action spring is assembled at the bottom in the operation handle and pushes the action wheel to make elastic contact with the contact piece, and the operation handle swings to drive the action wheel to roll along the contact piece and enable the contact piece to make warping movement. The circuit breaker has a contact compensation effect, and can effectively avoid the phenomenon of circuit failure caused by poor contact due to frequent touch and abrasion of contacts.

This application relates to a vehicle control method, a vehicle control system, and a vehicle. The method includes: acquiring the distance from the vehicle to a target curve, the current radius of the target curve, and the vehicle's current speed; the target curve is the curve closest to the vehicle in the current direction of travel. If, based on the distance, current speed, and current radius, the vehicle meets preset air kit activation conditions, then, based on the current speed and current radius, the actuator is controlled to activate the vehicle's air kit. The air kit activation conditions include: the distance is within a preset distance range, the current speed is greater than or equal to a preset speed threshold, and the current radius is less than or equal to a preset radius threshold. This method can promptly increase downforce on the vehicle, thereby improving the vehicle's cornering stability and solving the problem of poor vehicle control performance caused by the lag in air kit activation in existing technologies.

The utility model discloses a casing pressurizing device and rotary excavating drilling equipment, and relates to the technical field of rotary excavating drilling, and the casing pressurizing device comprises a drill rod connecting assembly and a casing connecting assembly. Wherein the drill rod connecting assembly comprises a connecting shaft and a connecting box connected with the connecting shaft, and the connecting box is used for being connected with a drill rod; the sleeve connecting assembly comprises a shaft sleeve and a connecting cylinder connected with the shaft sleeve, the shaft sleeve can be rotationally connected with the connecting shaft, and the connecting cylinder is used for being connected with a sleeve. The casing pressurizing device solves the problem that a casing is difficult to drill downwards or the drilling speed is too low.

The present invention belongs to the technical field of dicer, and proposes an adaptive downward pressure device, including: a frame; a first roller and a second roller are both arranged on the frame to rotate horizontally; a third roller, both sides of the frame are respectively provided with first strip mounting holes in the longitudinal direction, and the two ends of the third roller are respectively slidably arranged in the two first strip mounting holes; one end of the first connecting rod is rotatably connected to one end of the first roller, and the number of the first connecting rods is two; the other end of the first connecting rod is rotatably connected to one end of the fourth roller; one end of the second connecting rod is rotatably connected to one end of the third roller, and the other end of the second connecting rod is rotatably connected to one end of the fourth roller, and the number of the second connecting rods is two; the first conveyor belt is wound on the first roller, the second roller, the third roller and the fourth roller. Through the above technical scheme, the problem that the downward pressure device in the prior art cannot be automatically adjusted according to the size of the material is solved.

The utility model discloses a soil rapid sampling device, including drill rod and drill bit, and drill rod is connected with drill bit still includes rotating part and pressure platform, and the end of drill rod is on pressure platform, and pressure platform applies the pressure to drill bit through drill rod towards formation and makes drill bit enter formation, and drill rod passes through rotating part, and rotating part is driven to be connected with drill rod, and rotating part drives drill rod and drill bit rotate along the axis. Compared with traditional arm strength to add the mode of down pressure, leg strength is stronger, and the body weight is coordinated, and can increase the down pressure, and is supplemented with drill rod rotation, improves the sampling speed, and the labor greatly reduces, secondly, through the leg pressure, and the gravity center is lower, and the body does not need to incline the body, guarantees the stability of the body itself, and the safety is improved.

The invention is suitable for the technical field of automobile spoilers, and provides an automobile active rear spoiler device which comprises a main body frame, an extension part and a rotating part are arranged at the tail of the main body frame, and the extension part is installed at the tail of the main body frame in a sliding mode. A first driving mechanism for driving the extension part to linearly move is arranged in the main body frame, the rotating part is arranged above the extension part, and a second driving mechanism for driving the rotating part to rotate is arranged in the main body frame. The device has two movement modes which do not interfere with each other, and the functions of reducing resistance and improving down force are realized separately, so that the active rear spoiler not only has two main functions of reducing resistance and improving down force, but also maximizes the pneumatic effect of each function, and different mechanisms can be selected for expansion under different working conditions.

The present invention relates to the field of textile technology, and specifically discloses a winding device and method for clean, energy-saving and ecological dyeing and finishing of cloth, comprising a winding roller and a body component, wherein the body component is used to tension the yarn, and the body component comprises a side plate, wherein the side plate has two, respectively parallel to the two ends of the winding roller; a center seat, wherein the center seat is fixedly connected between the two side plates, and an arc transition is arranged around the center seat; and a tensioning roller, wherein the tensioning roller has four, and the four tensioning rollers are centrally symmetrically arranged around the center seat, and the yarn is sequentially wound around the outer wall of the tensioning roller. The four tensioning rollers are driven to move outward or inward by four movable blocks, so that the tension of the yarn can be adjusted when the yarn passes through the tensioning roller, so that the yarn can always remain in a taut state during the winding process, so that when the winding roller winds the yarn, the yarn can be tightly wound around the winding roller.

The utility model discloses a combined type rectifying tower which comprises a rectifying tower body, a condensation reflux inlet, a raw material feeding port, a steam feeding port, a gas phase discharging port, a liquid phase discharging port, a filler pressing device and a plurality of fixed plate type structures which are connected to the inner side wall of the rectifying tower body in a clamped mode and distributed in a staggered mode. The rear side wall of the rectifying tower body is fixedly connected with a rear driving tower, and the rear driving tower comprises a driving tower body, two driving motors and two driving worms. According to the utility model, plate-type components in the rectifying tower can be directly increased through the rollable plate-type structure, when the contact surface area of a gas phase and a liquid phase needs to be increased, the driving motor directly controls the driving worm to rotate, and then the driving worm wheel drives the driving shaft to rotate, so that the rolling plate rolled on the driving shaft is unfolded, and the separation efficiency is further improved; the rectifying tower can adapt to different production requirements and operation conditions, and the operation flexibility and the operation convenience are improved.