2417results about How to "Reduce friction" patented technology

Provided is an environment-friendly mobile collecting box for decoration cutting dust. The mobile collecting box comprises a box body, wherein a water tank is fixedly mounted on one side of the bottomsurface of the inner wall of the box body, the bottom surface and the outer side of the water tank are fixedly connected to the inner wall of the box body separately, the inner side of the water tankis fixedly connected to one side of the box body, and openings are formed in the top surface and the other side of the box body; a first through hole is formed in the bottom of the inner side of theinner wall of the water tank, a switching valve is disposed in the first through hole, and a second through hole is formed in one side of the box body; the interior of the first through hole communicates with the interior of the second through hole, and the second through hole communicates with the interior of the box body; the top surface of the water tank is fixedly connected to one end of a hose, and the other end of the hose is arranged in the box body, and a floating plate is fixedly mounted on the periphery of the other end of the hose. Sediment in the box body can be pushed directly into the garbage bag through cooperative use of a mud box and a garbage bag, and the mud box can be taken and placed freely; after the mud box is taken out, a sealing cap of the garbage bag containing the sediment is removed, and after the garbage bag is replaced by a new garbage bag, the mud box is put back, and the sediment is not in contact with the mud box, and cleaning of the mud box by a user is not needed, so that time and labor are saved.

The invention belongs to the technical field of high-speed rotary tables, and discloses a high-stability high-speed rotary table for a milling machine and an operation method thereof.The high-stability high-speed rotary table comprises a rotary table top disc and a rotary table base, the rotary table base is located below the rotary table top disc, and a sleeve hole and a first groove are formed in the top face of the rotary table top disc. The upper portions of the adjusting assemblies which are in relative spiral sleeve connection are made to independently move upwards, the multiple clamping assemblies are driven to move upwards, in cooperation with forming of first grooves, the first clamping rods for actually clamping a workpiece at the top of the rotary table top disc can be accurately adjusted up and down, and therefore when the workpiece is actually clamped, according to the height condition of the top machining end of the workpiece, the machining efficiency is improved. The actual clamping position is adjusted, so that the workpiece is stabilized at the gravity center distribution position of the workpiece during clamping and fixing, better stability is achieved when the workpiece is matched with high-speed rotation and external stress machining under clamping, the application range of workpiece clamping rotation is widened, and meanwhile the stability of a high-machining workpiece under actual high-speed rotation is further improved.

According to the silicon carbide / diamond multi-layer composite film and the preparation method thereof, a polycrystalline silicon carbide matrix in the multi-layer composite film is a bottom layer, and the multi-layer composite film has high strength, high rigidity, high heat conductivity and oxidation resistance; the components of the gradient SiC-C transition layer gradually change from pure SiC to rich C-SiC and then to diamond-like carbon, and the gradient SiC-C transition layer is used for slowly releasing thermal stress and enhancing binding force; the nanocrystalline diamond is used as the top layer and has high hardness, low friction coefficient, particle scouring resistance and high infrared transmittance; the silicon carbide / diamond multi-layer composite film is obtained through a chemical vapor deposition method, the process is mature, and the silicon carbide / diamond multi-layer composite film has good heat conduction performance and infrared transmittance and is suitable for infrared guidance systems with extremely severe working environments, such as optical materials of fairings, optical windows and the like.

The invention provides a low-loss bionic elastic tooth type picking table of a linear pepper harvester. The low-loss bionic elastic tooth type picking table of the linear pepper harvester comprises a header frame, a picking roller, a pull-back rolling shaft and a conveying device. The header frame, the picking roller, the back-pulling rolling shaft and the conveying device are sequentially arranged from front to back in the feeding direction; the picking roller comprises a middle rotating shaft, a cam track disc, a spring tooth and a spring tooth shaft; the middle rotating shaft is installed on the header frame, the cam track discs are installed at the two ends of the middle rotating shaft respectively, a plurality of cam grooves are distributed in the circumferences of the cam track discs, the spring teeth are installed on the spring tooth shafts, the spring tooth shafts are arranged along the circumference of the middle rotating shaft, the ends of the spring tooth shafts are embedded into the cam grooves respectively, and the ends of the spring tooth shafts are matched with the cam grooves of the cam track discs. The spring teeth do radial telescopic motion under the constraint of the cam groove when the picking roller rotates; and the rotation direction of the back-shifting rolling shaft is opposite to that of the picking roller. The line pepper picking machine can efficiently complete line pepper picking so as to improve the picking efficiency, and the phenomena of less harvesting and missing harvesting are reduced by adopting secondary callback.

The invention discloses an anti-deformation high-strength inspection well prefabricating mold which comprises a base, an outer mold assembly is slidably mounted on a top plate of the base, an inner mold assembly is mounted at the position, in the center of the outer mold assembly, of the base, a demolding assembly is mounted in the inner mold assembly, sliding assemblies are mounted on the two sides of the bottom of the outer mold assembly, and sliding ways are mounted at the positions, corresponding to the sliding assemblies, of the base. The sliding assembly is slidably arranged on the slide way. Through the longitudinal reinforcing ribs and the transverse reinforcing ribs, a stable net-shaped reinforcing structure is formed, side pressure generated on the arc-shaped outer formwork in the concrete pouring process can be effectively dispersed, damage such as bending, deformation and cracking caused by uneven stress of the arc-shaped outer formwork is avoided, the structural stability and deformation resistance of the mold are remarkably improved, and the service life of the mold is prolonged. The reinforcing rib forming grooves which are perpendicularly crossed are formed in the inner side wall of the arc-shaped outer formwork, corresponding outer wall reinforcing ribs can be formed on the outer wall of the inspection well during concrete pouring, and the structural strength of the formed inspection well is effectively enhanced.

The invention relates to the technical field of wire and cable processing equipment, in particular to a wire and cable copper wire drawing machine which comprises a machine table and the like, a pay-off device, a fixing plate and a pull rod are sequentially and fixedly mounted on the machine table from left to right, a wire drawing box is slidably connected to the position, close to the pull rod, of the machine table, and a fixed wire drawing module is fixedly connected to a side plate of the wire drawing box; the top end of the wire drawing box is fixedly connected with a lubricating liquid box, a hand pressure valve is installed between the wire drawing box and the lubricating liquid box, the hand pressure valve is connected with the fixed wire drawing module through a liquid pipe, and the hand pressure valve makes contact with the pull rod. Through the cooperative design of the hand pressure valve and the pull rod, automatic conveying control over lubricating liquid is achieved, in the wire drawing process, along with movement of the wire drawing box, the hand pressure valve is automatically opened, the lubricating liquid is accurately conveyed to the position where the wire drawing module is fixed, timely and effective lubrication is provided for a copper wire, and friction and abrasion between the copper wire and the wire drawing module are reduced.

The application relates to an anti-vibration ring network box, and relates to the technical field of ring network boxes, which comprises a box body, a mounting cavity is formed on the vertical surface of the front side of the box body, a box door for detachably mounting the opening of the mounting cavity is arranged, wire connection ports communicated with the mounting cavity are formed on the left and right side surfaces of the box body; a fixing seat located below the wire connection port is fixedly arranged on the inner wall of the box body, a sealing seat is rotationally connected to the upper side edge of the fixing seat away from the box door; a control rod is fixedly arranged on the side surface of the sealing seat facing the box door, an elastic extrusion piece is arranged on the inner wall of the box body, the elastic extrusion piece drives the control rod to rotate towards the fixing seat, a sealing gap is formed on the side surface of the fixing seat and the sealing seat away from each other, and an elastic pad is fixedly arranged on the inner wall of the sealing gap; the application reduces the possibility that the insulation layer and other parts of the external cable are damaged and broken due to long-term friction.

The utility model discloses a central air conditioning pipeline noise reduction assembly, including central air conditioning ventilation pipeline, the inside of central air conditioning ventilation pipeline is provided with central air conditioning ventilation pipeline, the inside of central air conditioning ventilation pipeline is provided with noise reduction assembly no.

The utility model discloses a yarn production auxiliary device for beaming machine belongs to textile equipment technical field, including work table, the top end side of work table is fixed with two and is symmetrically distributed support rod, the top end of two support rods is fixed with the collection box on the top end of work table, and the bottom end side of collection box is fixed with a plurality of equidistance distribution's cylinder, and the bottom end of cylinder is closed and sets up, and the side of a plurality of cylinder all is pasted and is equipped with the sponge cover of setting, the utility model discloses a plurality of cylinder even divide into a plurality of yarns, when yarn even passes between a plurality of cylinder, and the sponge cover is soaked with oil, and yarn is contacted with the sponge cover in the moving process, thereby even coating oil on yarn, effectively improve the refinement uniformity of yarn oiling, is favorable for reducing the generation of static electricity, and can improve the lubricity of weaving process, and even oil film can reduce the friction of yarn and equipment parts in the weaving process, and further improve production efficiency.

This utility model discloses a transmission mechanism for a wire harness heat shrink tubing baking machine, including a front belt drive module, a rear belt drive module, and an elastic clamping module. The rear belt drive module is arranged opposite to the front belt drive module, and a transmission range is formed between their opposing surfaces to clamp and transmit the wire harness on both sides. The elastic clamping module is located on the rear belt drive module side and acts within the transmission range, thereby adjusting the clamping force on both sides of the wire harness. This utility model achieves the simultaneous clamping of the wire harness and the use of separate motors for both the front and rear belt drive modules, avoiding rotation of the wire harness during transmission, thus preventing friction on the belt and improving belt lifespan. Furthermore, it automatically adjusts the pressure according to the diameter difference between the left and right sides of the wire harness during clamping, ensuring stable clamping and improving the heat shrinking effect.

The application discloses an integrated steel casing sinking device and a use method thereof, and the device comprises a spiral drill rod, a motion isolation unit, an elastic centering unit and the like. The outer wall of the spiral drill rod is provided with paddle-shaped blades capable of continuously rotating and ascending. The motion isolation unit comprises a positioning assembly, a positioning base body, a clamping groove arranged on the wall of the steel casing, and a clamping unit. The elastic centering unit comprises an abutting wheel, a rotating connecting block, a sliding telescopic rod, a centering spring sleeved on the outer wall of the sliding telescopic rod, a tail limiting groove and a drilling condition sensing unit. The spiral drill rod is used as a pile driving bit, so that the technical effect of excavating soil layers is achieved, and the paddle-shaped blades capable of spirally ascending are simultaneously used to automatically transport the excavated soil upwards. In addition, the motion state of the bit is isolated by using the motion isolation device, so that the motion isolation between the steel casing and the spiral drill rod rotating in the middle is achieved as a whole, and the rotation of the steel casing caused by the motion of the spiral drill rod is effectively blocked.

The utility model discloses a rotary tablet press, and relates to the technical field of medicine tablet forming equipment, the rotary tablet press comprises a rack body, the top of the rack body is fixedly connected with an upper cover plate, the upper part of the upper cover plate is fixedly connected with a speed regulation stabilizer, and the speed regulation stabilizer is internally and movably connected with a blanking speed regulator; wherein the discharging speed regulator comprises end shaft rod frames which are symmetrically and fixedly connected with the upper cover plate, conical friction rollers which are staggered with each other are movably connected into the two end shaft rod frames, and the outer sides of the two staggered conical friction rollers are sleeved with a driving belt; the end part of one conical friction roller penetrates through the end part shaft rod frame and is fixedly connected with a partition plate impeller; according to the utility model, as the section of the conical friction roller is conical, the transmission ratio is adjusted by adjusting the position of the driving belt on the conical friction roller, so that the rotating speed of the partition plate impeller is controlled, and the blanking amount is further adjusted.

The utility model provides an orthopedics distractor relates to medical appliance technical field, the utility model discloses a sliding rod, the outer surface sliding connection of sliding rod has the sliding block, the both ends of sliding rod are fixedly connected with auxiliary block and baffle, the top of sliding block and auxiliary block all is fixedly connected with the pusher, the both sides of pusher are provided with antiskid device, the bottom of sliding block and auxiliary block all is fixedly connected with the distractor, two the distractor side close to all can detachable connection has the auxiliary frame, the utility model discloses a threaded rod, screw hole block can drive the synchronous sliding of sliding block on the outer surface of sliding rod, until with the extension rod of sliding block reaches the appropriate position, rotates the bolt again, makes the bolt fixed between the extension rod and sliding rod, and threaded rod can also be fixed between the sliding block and sliding rod, and then be favorable to preventing the displacement of the distractor and affecting the normal operation of operation.

This invention discloses a fully automatic bag sorting and bundling machine. A bag sorting and conveying mechanism is provided corresponding to the feeding conveyor belt. A bundling mechanism and a bundling mechanism are provided on one side of the bag sorting and conveying mechanism. The bundling mechanism includes a clamping component for clamping the stacked packaging bags within the bag sorting and conveying mechanism. The clamping component is mounted on a rotating disk, which is connected to a rotation drive component and movably mounted on a movable seat. The movable seat is connected to the movable drive component. A limit stop is provided corresponding to the clamping component. The movable drive component can drive the clamping component to move to the limit stop. The rotating disk can drive the clamping component to rotate as a whole, cooperating with the limit stop to roll the stacked packaging bags into a bundle. The clamping component can then transport the bundled packaging bags to the bundling mechanism for bundling. This invention can achieve automated rolling and bundling of packaging bags and bundling of the bundled packaging bags, achieving full automation with high bundling and bundling quality and high efficiency.

This utility model belongs to the field of butterfly valves, specifically a triple-eccentric metal hard-to-hard seal butterfly valve, including a valve body, a valve seat fixed to the inner wall of the valve body; a valve cover provided on the valve seat; a valve stem that is rotatably connected through the valve body; a valve plate connected to the surface of the valve stem inside the valve body via a flat key; a flat keyway provided on the surface of the valve stem outside the valve body; by setting the sealing surface of the valve plate as an inclined disc structure, the friction between the valve plate and the valve seat can be reduced to the greatest extent, thereby achieving metal-to-metal sealing of the device, reducing friction between metals, and reducing the torque required for valve stem rotation. It can also be used to transport media such as liquids, gases, steam, pulp, powders, and particles. Finally, through the cooperation of the abutment plate and the baffle, the rotation angle of the valve plate can be forcibly limited to prevent over-rotation.

This utility model relates to the field of motor manufacturing technology, specifically a signal conversion module with an anti-detachment connection structure. It includes a signal conversion module body, a protective tube A, and a protective tube B. The top and bottom of the signal conversion module body are respectively provided with anti-wear covers. Wiring grooves A and B are respectively provided on both sides and the front side of the signal conversion module body. Protective tubes A and B are respectively provided on one side of wiring grooves A and B. By providing protective tube A, the connecting wire can be prevented from sliding back and forth within wiring groove A, avoiding friction and wear. The anti-wear ring prevents wear between the wire interface and the edge of wiring groove B. Rotating and tightening bolt B moves the upper positioning plate downwards along the guide groove, cooperating with the lower positioning plate to press the connecting wires of different specifications and thicknesses on both sides, thereby improving the positioning effect of the mating wires and preventing wire ends from loosening.

The utility model discloses a novel basket type grinding machine, including by draw bar, main shaft, grinding basket and dispersion disc component grinding unit, and the utility model discloses innovative design is in by upper grinding disc, lower grinding disc, mesh board, basket gland, shaft sleeve, moving ring subassembly, static ring subassembly and the basket component grinding basket, the utility model discloses adopt novel material suction grinding structure, and the upper grinding disc rotates and participates in grinding work simultaneously, and material suction grinding is carried out simultaneously, and the grinding efficiency is greatly improved, and the direction of the upper oblique round hole of the upper grinding disc is opposite with the lower oblique round hole of lower grinding disc, when working, grinding beads are not easy to accumulate in the vicinity of grinding disc, reduce the probability of broken pearl, and material can carry out more sufficient grinding, and the design of double -deck grinding disc, reduce the self weight of material suction impeller and grinding disc, improve the working efficiency of motor, and the production efficiency is greatly improved.

The application provides a cable core coating forming device for cable processing and relates to the technical field of cable core coating. The device comprises a main body, size adjusting assemblies are symmetrically arranged in the mold, a resisting plate is fixed at one end of the size adjusting assembly, a plurality of delivery wheels are symmetrically arranged in the mold, an arc adjusting assembly is arranged in the delivery wheel, a cleaning assembly is arranged in the fixing seat, and a plurality of cleaning wires are fixed at equal angles on one side of the cleaning assembly. The meshing transmission of the bevel gear and the bevel gear ring can realize the synchronous rotation of the two-side lead screws, and then drive the synchronous displacement of the moving column, the fixing frame, the delivery wheel and the resisting plate, so that the reliable straightening of the cable core can be realized, the central clamping of the cable core can be realized, the cable core can always move linearly along the center of the mold, and the technical defects of the eccentric coating layer, the uneven thickness and the like caused by the bending, the deflection and the shaking of the wire core are solved.

The utility model relates to the technical field of package sealing, in particular to a package sealing device for firework processing. The packaging and sealing device for firework processing comprises a first support, a controller, a first conveying set, electric push rods, a push plate, a clamping frame and a sealing film roller, the controller is installed on the front side of the upper portion of the first support, the first conveying set is installed on the first support, and the electric push rods are symmetrically installed on the upper portion of the first support front and back. Push plates are fixedly connected to output shafts of the electric push rods, a clamping frame is fixedly connected to the rear side of the upper portion of the first support, and a sealing film roller is clamped to the upper portion of the clamping frame. The fireworks are pushed front and back through the electric push rod, so that the fireworks can be quickly sealed, then the positions of the fireworks are adjusted through the L-shaped plate, and finally automatic feeding is achieved through accurate matching of the motor and the feeding roller, so that the whole sealing and packaging process is completed, the working efficiency is effectively improved, and the sealing performance and stability of packaging are ensured.

The application relates to a drilling and pouring pile installation anti-deviation connecting structure in the technical field of drilling and pouring pile construction, which comprises an annular plate, a first support, a first guide shaft, a limiting block, a sliding seat, a second support, a rotating arm, a cam bearing and a first hydraulic cylinder. When in use, the first hydraulic cylinders are controlled to work, so that the rotating arms are driven to reciprocatingly rotate relative to the first supports. Then the sliding seats drive the first guide shafts to reciprocatingly slide, and further drive the limiting blocks to approach each other or disperse, so that the positions of the limiting blocks are adjusted. When the limiting blocks are adjusted to appropriate positions, the limiting blocks can abut against a reinforcing cage during the lowering of the reinforcing cage, so that the guiding and supporting effects are achieved, and the lowering precision of the reinforcing cage is improved. Moreover, after the reinforcing cage of the pile collides with the arc-shaped steel plate, most of the acting force is transmitted to the ground, so that the loosening risk of the steel casing is reduced.

The application discloses a preparation method of a large-bore air-cooled diesel engine piston and specifically comprises the following steps: S1, modeling and dividing regions; S2, gradient printing; and S3, coating addition; and relates to the technical field of diesel engine pistons. The preparation method of the large-bore air-cooled diesel engine piston realizes the synergistic optimization of the overall performance of the piston through gradient printing of the piston, realizes the lightweight of the piston in cooperation with the honeycomb lattice structure, reduces the abrasion amount by using silicon carbide, improves the wear resistance of the top region, forms zirconium tri-aluminum nano precipitated phases by zirconium, refines the grains, forms a composite precipitated phase by using scandium, zirconium and aluminum, improves the high-temperature strength, constructs an efficient heat conduction network by using graphene nanosheets, improves the heat conductivity of the middle region, forms a three-dimensional network by using carbon nanotubes, improves the toughness of the skirt region, and has high interfacial bonding strength by spraying a wear-resistant and corrosion-resistant coating on the surface of the piston, reduces the friction, improves the service life of the piston and effectively reduces the maintenance cost.

This invention provides a QPQ surface strengthening method for flexible and rigid wheels in harmonic reducers, comprising the following steps: after machining the flexible or rigid wheel, it is sequentially degreased, cleaned, dried, and preheated; the preheated flexible or rigid wheel is nitrided to form a nitrided layer on its surface; the surface of the flexible or rigid wheel is treated mechanically or by tumbling; the polished flexible or rigid wheel is placed in molten oxide salt for oxidation treatment to form an oxide layer on the surface of the nitrided layer; after the oxidized flexible or rigid wheel is air-cooled, it is immediately rinsed with clean water and dried with hot air, and then coated with anti-rust oil. Compared with the prior art, this invention uses low-temperature salt bath nitriding and oxidation treatment, the QPQ process is short, has fewer process steps and is easy to control, and the salt bath can be recycled. The surface hardness of the workpiece reaches 800-850 HV, and the wear rate is reduced by more than 70% compared with the traditional tempering process, significantly extending the service life of the workpiece.

The utility model relates to file storage device field discloses an economic management file storage device, including the cabinet, the inner wall sliding connection of cabinet has the storage drawer The inner wall of storage drawer is provided with turnover subassembly, the turnover subassembly includes the baffle, the left surface fixed connection of baffle is in the inner wall of storage drawer, the right surface fixed connection of baffle has the cylinder, the inner wall rotation is connected with the pivot of cylinder, the outer wall fixed connection of pivot has the placement board, the pivot rotation is connected in the inner wall of storage drawer, the front surface fixed connection of placement board has the sliding block, in the utility model, through placement board, the chute, sliding block, make this device when using, can place the file on the placement board top, make the file stacking more orderly, can make the file stack be moved to one side entirely through the rotation placement board simultaneously, make the file search more efficient when, make the operation become more simple.

The utility model discloses an auxiliary pulling device and a support assembly, and the auxiliary pulling device comprises a base; a first lever pivotally connected to the base along a first axis; the second lever is pivotally connected to the base along a second axis and is linked with the first lever; and the unlocking mechanism is movably arranged on the first lever so as to stop or allow the pivoting of the first lever, the unlocking mechanism is provided with a mistaken touch prevention device, and the mistaken touch prevention device is arranged to keep the unlocking mechanism at a position where the pivoting of the first lever is stopped. The pulling assisting device is compact in structure and capable of preventing misoperation.

The utility model relates to a car guide rail technical field especially is a low friction iron sliding block device for car guide rail, including guide rail piece, sliding block piece, friction assembly, extruding piece and gyro wheel subassembly, in the utility model, through setting compression spring, elastic block, first gyro wheel, second gyro wheel and elastic sleeve, the device can make iron sliding block keep stable in the up and down direction relative guide rail piece through the elastic force of compression spring and elastic block, can make iron sliding block keep stable in the left and right direction relative guide rail piece through the elastic force of elastic sleeve, can reduce the friction between sliding block piece and guide rail piece through first gyro wheel and second gyro wheel, that is to say, can weaken the abrasion in the operation process of sliding block piece and guide rail piece, the requirement of the tolerance of sliding block piece and guide rail piece in the manufacturing process is reduced, makes the production cost of sliding block piece and guide rail piece greatly drop, and the device wears slowly, and the operation fluency change of sliding block piece and guide rail piece is smaller, and the service life is longer.

This invention provides an active heating method and system for a two-dimensional turntable servo mechanism, belonging to the field of laser communication technology. The method includes acquiring the feedback temperature and motor torque of the azimuth or pitch axis; when the motor torque is zero and the difference between the feedback temperature and the preset temperature is outside the preset temperature range, heating is performed by determining a first heating power based on the first d-axis current and the electrical control angle; when the motor torque is not zero and the difference between the feedback temperature and the preset temperature is outside the preset temperature range, heating is performed by determining a second heating power based on the second d-axis current and the q-axis current, until the temperature difference returns to the preset range and heating stops. This invention utilizes the heat generated by the motor's own current to replace external heating devices, achieving uniform heating from within, effectively reducing deformation and frictional torque fluctuations in key moving parts caused by temperature gradients, and improving the turning table's pointing accuracy and thermal stability under extreme temperature changes.