46results about How to "Reduce friction and collision" patented technology

The invention relates to a multi-level tidal current energy water turbine based on the real-time adjustable fairing rotation angle. The multi-level tidal current energy water turbine comprises a fairing, a hub fixedly arranged on a rotation shaft and a basic impeller fixedly arranged on the hub. The multi-level tidal current energy water turbine is characterized by comprising a supporting shaft with the real-time adjustable fairing rotation angle and an energy increasing rotation wheel with changeable radius hyperbolic spiral helix blades, the hyperbolic spiral helix blades are gradually stretched in the axial direction of the rotation shaft according to the spiral line of the hyperbolic spiral, are in a space intersection twisting shape and are evenly distributed on the circumferential inner wall of the rotation shaft, the hyperbolic spiral helix blades are arranged on the periphery of the rotation shaft, X represents the space horizontal axis value of the key point on the hyperbolic spiral helix blade section wing curve, and Y represents the space vertical coordinate value of the key point on the hyperbolic spiral helix blade section wing type curve. The multi-level tidal current energy water turbine is simple in structure and high in efficiency, can be used for ocean tidal current energy power generation and can also be used for power generation under micro tidal current energy conditions such as the mountainous area, the mountain spring and the small reservoir stream.

The invention relates to a metal plate bending method and terminal and belongs to the field of industrial automation. The metal plate bending method comprises the steps that an expanded view of a metal plate is read through an image preprocessing program, wherein the expanded view comprises bending lines, and the image preprocessing program is integrated into an upper computer of a bending machine; the bending direction and the target bending angle of each bending line are set through the image preprocessing program, so that bending configuration information is obtained; and the bending machine is controlled to implement corresponding bending operation through the bending configuration information. By means of the metal plate bending method, the bending production efficiency of the metal plate is improved, and the production cost is lowered.

The invention discloses an efficient quality-keeping ping-pong cleaning device which comprises a frame and a base, wherein a washing chamber, a primary cleaning chamber, a secondary cleaning chamber and a water storage chamber are arranged in the frame; a conveying hopper is arranged at the top end of the washing chamber; a conveying motor is arranged on a middle position of the bottom end; a conveying rotating shaft is arranged at the top end of the conveying motor; a coupler is arranged at the top end of the conveying rotating shaft; one end of the coupler is connected with the conveying rotating shaft; a conveying driving shaft is connected with the other end of the coupler; a conveying shaft bearing is arranged at the bottom layer of the washing chamber; the conveying driving shaft is limited in the conveying shaft bearing; a spiral conveying rack is arranged on the conveying driving shaft; the spiral conveying rack comprises an outer spiral rack and an inner spiral rack; a fiber net is arranged between the outer spiral rack and the inner spiral rack. The invention has the beneficial effects that the nozzle cleaning and primary cleaning are simultaneously performed, the cleaning efficiency is increased, the friction and collision in the cleaning process are reduced and the loss is avoided.

The invention discloses a shakeout machine for sand mold casting. The shakeout machine comprises a horizontally arranged first bottom plate, wherein a second bottom plate is horizontally arranged above the first bottom plate, the second bottom plate is fixedly connected with the first bottom plate through a plurality of vertically arranged first telescopic rods, the second bottom plate is fixedlyconnected with the first bottom plate through a plurality of vertically arranged first springs, the multiple first springs are wound around the first telescopic rods correspondingly, a damping mechanism is arranged between the first bottom plate and the second bottom plate, a first fixing plate is horizontally arranged above the second bottom plate, a plurality of sliding blocks are fixedly connected to the bottom face of the first fixing plate, and a sliding groove is formed in the upper surface of the second bottom plate. According to the shakeout machine, horizontal vibration of a casting containing box is achieved through a second connecting rod and other assemblies, vertical vibration of the casting containing box is achieved through an incomplete gear and other assemblies, and the horizontal vibration and the vertical vibration are matched, so that the doffing efficiency is improved; meanwhile, a damping assembly is additionally arranged for the machine, and thus the machine is more stable and higher in practicability.

The invention discloses a two-way Chinese date picker and a method thereof. The two-way Chinese date picker comprises two picking forks, a telescopic support, a telescopic rod, a box, a support frame and a handle assistor. The picking forks are provided with comb plate structures with the maximum expanding angle of 120 degrees. The handle assistor is connected with the telescopic rod which is connected with the middle of the telescopic frame. Part of the telescopic rod is arranged in the support rod. Two ends of the telescopic support are rotatably connected with the picking forks respectively. Two ends of the support rod are connected with the support frame and the handle assistor respectively. The box is removably arranged outside the support frame. The two-way Chinese date picker and the method thereof have such advantages as improved efficiency and operation quality, less proneness of scratching for people, simple operation, carrying convenience and lowered cost.

The invention discloses a metal product selling rack. The metal product selling rack comprises bases, wherein rollers are arranged at the bottoms of the bases, the bases adopt a hollow structure, a telescopic plate is connected in the middles of the bases, two ends of the telescopic plate extend into the bases, limiting blocks are fixedly connected in two ends of the telescopic plate, one end, far away from the telescopic plate, of each limiting block is fixedly connected with a spring, and the other end of the spring is fixedly connected with the inner wall of the corresponding base. The metal product selling rack is novel in structure and convenient to use; through improvement of the bases, matched use of the limiting blocks, pin holes, fixing pins and the springs and matching with connecting rods, the size-adjustable effect is realized, a seller can adjust the size of the selling rack according to the space size, the effect of facilitating selling is realized, and the quantity of sales is increased; through improvement of hooks and damping devices, friction and collision of metal products are reduced when the selling rack is moved, the selling level is improved, and burden of a sales person is relieved.

The invention discloses a rolling body material hopper, which comprises a material box. The material box is provided with a discharge hole which is provided with a discharge passage, and the discharge passage at the bottom of the material box is provided with a window which is provided with a blockage release device. The rolling body material hopper has the following advantages: the rolling body material hopper nearly has no vibration, so materials have little frictional impact, and the materials can be effectively protected from being damaged. The rolling body material hopper has small volume and light weight, is favorable for microminiaturization of equipment, has a simple structure and low manufacturing cost, uses little energy, and is favorable for reducing cost. The blockage release device is arranged at the bottom of an outlet passage port, has a simple structure, can effectively solve the phenomenon that the materials are blocked at the outlet, and does not damage the materials. The rolling body material hopper nearly has no noise, is favorable for keeping the working environment of the equipment silent, can realize synchronous feeding in two or more hoppers used side by side, has small volume, and is favorable for improving the efficiency of the equipment.

The invention provides a volute, an air conditioner indoor unit and an air conditioner. The volute (2) comprises a bottom plate (3) located on one side of an air inlet direction of the volute (2), andfurther comprises at least one guide vane (4) which is arranged on the bottom plate (3) and located at an air outlet (5) of the volute (2), wherein the at least one guide vane (4) can divide air at the air outlet (5) of the volute (2) into at least two air output channels. According to the volute, airflow in the direction from a flow guide wall to the volute is distributed more evenly, namely that airflow at the air outlet flows more evenly, flowing of an outlet of a centrifugal fan is improved, the phenomenon of backflow at the volute tongue is effectively prevented and avoided, the efficiency of the fan is improved, the problems of backflow of output air and low efficiency of a centrifugal wall-mounted fan are solved, meanwhile, the problems of uneven air output and poor comfort of theair outlet of the centrifugal wall-mounted fan are solved, output airflow disturbance and friction collision are reduced, and noise is reduced.

The invention discloses automatic mechanical clipping and cutting equipment. The equipment comprises a frame table, a working disc, a first motor and three cutting frames, wherein the working disc isvertically arranged below the middle of the frame table; the first motor is arranged at the top of the working disc; and a first hydraulic rod is vertically arranged below the first motor. Second gears are respectively driven by two third motors to roll in two first rolling grooves and are matched with a plurality of second gear hobbings to roll, so that cutting blades are adjusted to move back and forth more stably and smoothly in the cutting frames, and it is ensured that the cutting blades are moved and adjusted more accurately while shaking of the cutting blades and friction collision between the cutting blades and components on the cutting frames are both reduced. Two fourth motors separately roll in second rolling grooves through first rollers to drive the cutting frames and the cutting blades to be moved left and right for adjustment, so that the cutting blades clip and cut a mechanical object more accurately, and the quality of clipping and cutting a mechanical part by the equipment is improved.

The invention discloses a gas filled tank load switch fuse-combination unit mechanism. The gas filled tank load switch fuse-combination unit mechanism comprises a front plate, a rear plate, a closingspring, a motor and a switch-on and switch-off cam welding wire outlet mechanism. The front plate and the rear plate are separately arranged at the two ends of the mechanism, and the front plate and the rear plate are arranged in parallel. The gas filled tank load switch fuse-combination unit mechanism has the beneficial effects that a mechanism transmission mode is changed by the gas filled tankload switch fuse-combination unit mechanism, the mechanism transmission structure is optimized, good transmission property of the mechanism is ensured, and transmission operation is accurate and stable; a hexagonal shaft, a positioning shaft, a shaft III, a shaft IV and a shaft V are arranged between the front plate and the rear plate and perpendicularly penetrate through the front plate and the rear plate, and the strength and firmness of the integral mechanism during working are improved; shaft bodies are protectively isolated by shaft sleeves, friction and collision of the shaft bodies arerelieved, and the service lives of the shaft bodies are prolonged; and the electrical mechanism is high in sensitivity during working, is firm and durable, has good social benefit, and is suitable forbeing popularized and used.

The invention provides a rolling bearing with a three-arc roller surface. The rolling bearing comprises an inner ring, an outer ring, a roller and a holder, wherein the surface of the roller comprises three arcs which are smoothly connected. The surface of the roller is changed into three jointed arcs, so that friction and collision between the roller and a ferrule roller path are reduced, the arcs of the surface of the roller and the arcs of the surface of the ferrule roller path are in well fit, the service life of the bearing is prolonged, the replacement time of the equipment is reduced, and the production cost is saved.

The invention discloses a fixed bed slag vapourizing furnace distributing device. The fixed bed slag vapourizing furnace distributing device comprises a material canister and a material-guiding part,the material canister is arranged below a charging adapter at top of a vapourizing furnace, the material-guiding part is fixed in a lower end of the material canister through a material-guiding fixedmechanism, the material-guiding part comprises a conical top cap and a material distribution cone arranged below the conical top cap, and pores are uniformly arranged at the conical top cap and the material distribution cone. According to the invention, a mechanical driving apparatus and a rotation part are not provided, furnace overhaul due to fault of the rotation part can be avoided, a stable operation period of a vapourizing furnace is increased, the unkeep maintenance cost of the vapourizing furnace is reduced, and the cost consumption due to gas from bump fragmentation by stirring the solid raw materials is reduced.

The invention discloses a bearing type special school bus full-enclosed ring whole vehicle structure, comprising a chassis and a whole vehicle frame, wherein the chassis is horizontally installed under the whole vehicle frame. A chassis frame is arranged on the chassis, a plurality of brackets are vertically arranged at equal distances between two end sidewalls of the chassis frame, and a plurality of frame longitudinal beams are longitudinally arranged at equal distances between two ends of the chassis workshop. The invention has the advantages that: As that top cross beam is utilize, Sidetop cross member, Upper girder, lower girder and skirt girder, the adjacent integral bearing closed ring is welded and assembled by carbon dioxide shielded welding, As that stress can be effectively transmit and digested between the integral load-bearing close rings through the top cross beam, the side top cross beam, the upper waist beam, the lower waist beam and the skirt beam, the shaking amplitude of the whole vehicle structure when move and the collision and wear between the components are reduced, and the firmness of the whole vehicle structure is improved; The bearing type special school bus full-enclosed ring whole vehicle structure has good social benefits and is suitable for popularizing and using.

The invention discloses an automatic discharging device for a bearing ring. The automatic discharging device comprises an obliquely-arranged discharging groove, a first push rod mechanism is arrangedon one side of the bottom of the discharging groove, a groove track is arranged on the other side of the bottom of the discharging groove, a baffle is arranged on the opposite side of the bottom opening of the discharging groove, and the first push rod mechanism pushes the single bearing ring into the groove track for arrangement. The discharging device adopts the arrangement of the first push rodmechanism and a second push rod mechanism to push the single bearing ring coming out of the discharging groove into the groove track for sorting, a first upper contact and a first lower contact on the lower part of a reed are closed to drive a first motor to work by utilizing the self-weight of the bearing ring to realize a function of pushing the bearing ring into the groove track; and a secondleft contact and a second right contact of a second reed are closed to drive a push plate to push the arranged bearing rings in the groove track into a tray by using the push plate. The automatic discharging device is reasonable in structural design and high in operability, and is suitable for promotion.

The invention provides a school uniform made from a natural plant dyed fabric and an intelligent production line of the school uniform. The production method comprises the following steps: adopting cloth made from gardenia fruit natural plant dyes, sequentially performing figure measure and sampling on the students, determining models of the school uniform, cutting the natural plant dyed fabric, sewing and forming the natural plant dyed fabric, pressing after molding, cocking, packing and warehousing. The intelligent production line of the school uniform made from the natural plant dyed fabricsequentially comprises intelligent student sampling and figure measuring equipment, digital school uniform model equipment, a cloth cutting unit, a sewing machine and adjustable school uniform pressing equipment according to the production process. The cloth made from gardenia fruit natural plant dyes is excellent in dyeing effect, has a natural antibacterial effect and is favorable for ecological environmental protection and student health; and the figure measure data of the students on the production line is accurate, the clothing sample is accurate in model, convenient and rapid, and the school uniform can be smooth and beautiful specified at split pressing of the style of the school uniform.

The invention discloses a circuit board raw material storage device. The circuit board raw material storage device comprises a storage box body; universal wheels are arranged at the bottom of the storage box body; shells are arranged on the universal wheels; dampproof pads are arranged at the bottoms of the shells, and are fixedly connected with fixed pads; multiple separation plates are arrangedon the fixed pads; and multiple chutes are formed in the inner walls of the shells and the two sides of the separation plates. Through a mode of vertically placing circuit boards, the circuit board raw material storage device greatly saves the circuit board placement needed space; a placing clamp of the storage device is designed as an antistatic foam device, so that circuit boards with differentsizes can be met, and damage to electronic elements on the circuit boards by static electricity can be prevented; as the inner wall of the placing clamp is set as a convex point structure, the frictional collision to the surfaces of the circuit boards by the placing clamp can be reduced, and damage to the circuit boards by frictional collision is prevented; and the circuit board raw material storage device is simple in structure, small in floor area, convenient to operate and capable of bringing convenience to users.

The invention discloses a display screen. The display screen comprises a box, a display module, a rotating module, a magnet module and a braking module. The magnet module consists of magnetic pole groups a and b, the magnetic pole group a is arranged on the display module, the magnetic pole group b can be driven by the rotating module, and the braking module is used for limiting movement conditions of the rotating module. When maintenance of the display module is required, the braking module brakes, the rotating module rotates to driven the magnetic pole group b to move, and the display module is ejected out of the box under interaction of approaching like poles of the two magnetic pole groups. By means of separation of the display module and the box, automatic ejection of the display module is realized, simplicity, convenience and quickness in operation are achieved, the probability of display module damages caused by artificial dragging of the display screen is lowered, and display screen maintenance efficiency is improved.

The invention discloses an oxidation reduction furnace and a method for treating waste remained after dust-removal of iron and steel enterprises. The oxidation reduction furnace comprises a feeding hopper, an inner wall, an outer wall, a flue, a furnace chamber, a burning chamber, a gas nozzle, a gas passage, a gas electromagnetic heater, a discharging hopper, a discharging device and a gas outlet. The method for treating the waste remained after dust-removal of the iron and steel enterprises is characterized that the waste remained after dust-removal is pelletized and placed into the oxidation reduction furnace and heated to 1100 to 1250 DEG C, and the gas is introduced into the oxidation reduction furnace so as to complete the reduction and the oxidation in one step. The invention has advantages that: 1, the oxidation-reduction reaction is completed in one furnace; 2, the waste is in contact with the gas at the high temperature, so that the differentiation problem at a low temperature can be solved; 3, the gas electromagnetic heater is used for heating the gas to a given temperature, so that the temperature balance inside the furnace can be ensured; 4, the discharging device is utilized to ensure uniform discharging; and 5, the height of the burning chamber is increased, and the temperature of a reduction interval is increased, so that the reduction is carried out more adequately.

The invention discloses a preparation device and a preparation method of a mixed wettability sandstone micromodel.The preparation device comprises a fixing frame and a light source located above the fixing frame, and the fixing frame comprises a frame body, a plurality of light shielding plates sequentially arranged on the frame body at intervals from top to bottom and a clamping and fixing plate located below the light shielding plates; the clamping and fixing plate is used for fixing a sandstone microscopic model, a plurality of light-transmitting channels are prefabricated in the light-shading plates respectively, light-shading areas which are sequentially increased or decreased from top to bottom are arranged in the light-transmitting channels, and the positions of the light-shading areas of every two adjacent light-shading plates correspond to each other; light emitted by the light source can sequentially pass through the multiple light-transmitting channels and then irradiate the sandstone micro-model. According to the application, the light source is arranged above the fixing frame, so that light emitted by the light source can irradiate the plurality of light shielding plates, and irradiates the microscopic model positioned on the bottom light shielding plate through the light transmission channels on the light shielding plates, so that the microscopic model has the characteristics of mixing and wetting.

The invention discloses a gas filled tank load switch fuse-combination unit mechanism. The gas filled tank load switch fuse-combination unit mechanism comprises a front plate, a rear plate, a closingspring, a motor and a switch-on and switch-off cam welding wire outlet mechanism. The front plate and the rear plate are separately arranged at the two ends of the mechanism, and the front plate and the rear plate are arranged in parallel. The gas filled tank load switch fuse-combination unit mechanism has the beneficial effects that a mechanism transmission mode is changed by the gas filled tankload switch fuse-combination unit mechanism, the mechanism transmission structure is optimized, good transmission property of the mechanism is ensured, and transmission operation is accurate and stable; a hexagonal shaft, a positioning shaft, a shaft III, a shaft IV and a shaft V are arranged between the front plate and the rear plate and perpendicularly penetrate through the front plate and the rear plate, and the strength and firmness of the integral mechanism during working are improved; shaft bodies are protectively isolated by shaft sleeves, friction and collision of the shaft bodies arerelieved, and the service lives of the shaft bodies are prolonged; and the electrical mechanism is high in sensitivity during working, is firm and durable, has good social benefit, and is suitable forbeing popularized and used.

The invention discloses a built-in stainless steel skeleton plastic-wood composite decorative column. The built-in stainless steel skeleton plastic-wood composite decorative column mainly comprises astainless steel column, a base, a plurality of stainless steel outer shells, and plastic-wood composite boards; fastening mechanisms are arranged between the stainless steel outer shells and the plastic-wood composite boards; each fastening mechanism comprises a plurality of fastening columns, a fastening head, a synchronous rod, a connecting rod, a triggering device, and a resetting spring; a plurality of penetrating holes are formed in the stainless steel outer shells; a plurality of inserting rods are arranged on the inner sides of the plastic-wood composite boards; a fastening hole is formed in each inserting rod; and a buffer mechanism is arranged between each stainless steel outer shell and the stainless steel column. The decorative column and the method can realize rapid installation of the plastic-wood composite boards and can complete replacement of a single plastic-wood composite board; and the decorative column after installation has the characteristic of relatively strong buffer unloading force and is suitable for wide promotion.

The invention relates to the technical field of electric motors, and provides a rotary motor and a laser distance measuring device. The rotary motor comprises a base, a bearing, a winding assembly, amagnetic member and a rotating disc. The base includes a seat body and a hollow column sleeve. The rotating disc includes a disk body and a hollow sleeve. The winding assembly includes a winding bobbin and a plurality of coil sets. The winding bobbin includes a body and a plurality of winding structures, each coil group is wound around the corresponding winding structure, the magnetic member is disposed on the inner side wall of the disc body, and the magnetic member is parallel to each winding structure. Since the winding structures are circumferentially distributed at equal intervals aroundthe central axis of the body, the force is more balanced in the magnetic field generated by the magnetic member. In turn, the probability of the vibration of the rotary motor is reduced, the stabilityof the torque output is ensured, and the output efficiency is higher. The frictional collision between the components is reduced, and the service life of the rotary motor is prolonged.

The invention belongs to the technical field of new energy equipment and discloses a semi-hidden charging pile protection device for a new energy electric vehicle. The device comprises a ground; a protection shell is movably connected to the interior of the ground; a fixing block is fixedly connected to the interior of the protection shell; a worm-gear set is movably connected to the interior of the fixing block; and a connecting frame is fixedly connected to the surface of the worm-gear set. According to the semi-hidden convenient-to-use charging pile protection device, through the matching of the internal structure of a lifting mechanism, a charging pile placed in a storage box can be lifted out from the protection shell, and therefore, people can use the device more conveniently; the charging pile can be well clamped in the storage box; the charging pile cannot fall off from the storage box in a lifting process, it is guaranteed that people can use the charging pile more conveniently; the charging pile is protected through the protection shell; and the exposure of the pile to the sun or rain is prevented, and therefore, electronic elements in the charging pile are better protected.

The invention relates to the technical field of fire safety equipment, and discloses an easy-to-use fire hydrant protection device based on a linkage principle of a connecting rod. The easy-to-use fire hydrant protection device includes a metal shell, wherein the metal shell is internally and movably connected with a lifting mechanism, the top of the metal shell is fixedly connected with a supporting rod, the left side of the supporting rod is movably connected with a top cover, the surface of the top cover is fixedly connected with a handle, the bottom of the top cover is movably connected with a fixed platform, the surface of the fixed platform is fixedly connected with a screw, and a movable shaft is clamped to the surface of the screw. According to the easy-to-use fire hydrant protection device based on the linkage principle of the connecting rod, through the mutual cooperation of the internal structures of the lifting mechanism, a fire hydrant placed in a storage box can be liftedfrom the inside of the metal shell to the outside of the metal shell so that people can take out the fire hydrant more conveniently. The storage box can well clamp the fire hydrant into the storage box so that the fire hydrant cannot drop from the storage box in the lifting process to ensure that people can use the fire hydrant more conveniently.