47results about How to "Slightly worn" patented technology

The invention discloses a device for rounding and slotting a housing of a water heater, belonging to a device for seaming brim of a metal sheet for rounding and seaming bent flat plate for producing the housing of the water heater. An inner die with an axial groove on the top part is horizontally arranged on an engine base; a left holding claw and a right holding claw are located on the left and right side of the inner die; the inner surface is matched with the side of the inner die; the left holding claw and the right holding claw are driven to hold or loosen the inner die by driving power of the holding claws; a slotting die driven by power of the slotting die is arranged above the inner die; and the slotting die is matched with the inner die. The technical problems of fussy processes, high labor intensity and low production efficiency caused by rounding, folding and finally seaming in processing of the housing of the existing water heater are solved.

The overcoat of a slider (alumina) is recessed relative to the slider ABS by a non-abrasive CMP process sufficiently to prevent thermal protrusion of the overcoat during subsequent slider use in a hard disk drive. The CMP process involves the oscillatory and rotational compressional contact between the ABS surface of the slider and a polymerically pre-treated compliant pad that is sprayed by an aqueous alkali lubricating solution having a pH between about 9 and 10. The overcoat is thereby also softened by the lubricating solution and removed by the compressional contact and no use of abrasives is required.

A lens driving device including: a lens barrel having at least one lens therein; an actuator having a tip friction member provided at a leading end of a body thereof to be in contact with a friction member of the lens barrel, the actuator being flexed and bent upon application of power to provide a driving force necessary for driving the lens barrel in an optical axis direction; a preload member compressing the actuator against the lens barrel to keep the friction member and the tip friction member in contact with each other; and a guiding part guiding the lens barrel to move in the optical axis direction, wherein the friction member and the tip friction member are formed of a super-hard alloy.

A process for performing a heterogeneously catalysed reaction in a three-phase reactor, where there is at least one liquid phase, at least one gaseous phase and at least one solid phase in the reactor and the reactor has at least two zones, with the reaction mixture being conveyed downward in zone 1, the reaction mixture being conveyed upward in zone 2, zones 1 and 2 being separated from one another by a dividing wall, and in that the ratio between the average catalyst concentrations in zone 2 and in zone 1 is greater than 2.

The invention provides a permanent magnet suspension train track system, specifically discloses a permanent magnet suspension track system, which is formed by suspension steel rails, a permanent magnet suspension track and permanent magnet suspension components, and introduces a permanent magnet suspension train system, which is formed in such a way that a train runs on the permanent magnet suspension track system, wherein the permanent magnet suspension track is arranged by using the suspension steel rails, and the permanent magnet suspension components are arranged on two sides of the suspension steel rails. The permanent magnet suspension components comprise upper magnetism collection boards, lower magnetism collection boards and suspension permanent magnets; and the magnetic gap between the permanent magnet suspension components is equal to the magnetic gaps between the left end surfaces and the right end surfaces of upper and lower yoke plates of the suspension steel rails. When the train matches with the track to run in a suspended manner, a bilateral permanent magnet linear motor efficient tractor train is formed by horizontal guide wheels, a traction coil of linear motor and a traction permanent magnet to build a safe, ultra high-speed and energy-saving novel rail transit system, wherein the horizontal guide wheels are arranged on the left side and the right side of the train, the traction coil of the linear motor is arranged on the track and the traction permanent magnet is arranged on the train. The permanent magnet suspension train track system has the advantages that automatic balancing passive suspension can be achieved, the traction driving efficiency is high, the cost is low, the permanent magnet suspension train track system is economic and energy-saving, the service life of the track is long, the permanent magnet suspension train track system is convenient to mount and adjust, and the permanent magnet suspension train track system is compatible with the existing wheel-rail track and is much safer than the existing wheel-rail track.

The invention discloses high-performance wind-power generating facility coating prepared by taking organic fluorinated silicone modified elastic polyurethane-urea resin as substrate. The high-performance wind-power generating facility coating is prepared from component A and component B according to proportion. The wind-power generating facility coating has toughness, attrition resistance, high elasticity, excellent mechanical property, yellowing resistance, good colour retention, high ultraviolet resistance, high weather resistance, favorable and excellent electrical insulation, chemical stability, moisture resistance and freeze resistance. In addition, the wind-power generating facility coating has high performance and moderate cost and can strongly protect the wind-power generating facility, reduce the maintenance frequency and lower the purchasing cost of the wind-power generating facility, thereby having extremely high implementation value and social and economic benefit.

The invention provides a symmetric permanent-magnetic suspension system and a permanent-magnetic suspension train rail system. The symmetric permanent-magnetic suspension system is characterized in that I-shaped suspension steel rails 1 made of a magnetic conductive material are arranged in the middle of the system; permanent-magnetic suspension assemblies 15 are symmetrically arranged on two sides of each I-shaped suspension steel rail 1; each permanent-magnetic suspension assembly 15 comprises an upper magnetism collection plate 12, a lower magnetism collection plate 14 and a suspension permanent magnet 13 arranged between the upper magnetism collection plate 12 and the lower magnetism collection plate 14; the magnetic gap of left and right end faces of the upper magnetism collection plates 12 and the lower magnetism collection plates 14 of left and right permanent-magnetic suspension assemblies is equal to that of left and right end faces of the upper yoke plates 2 and lower yoke plates 3 of the I-shaped steel rails 1, and upper and lower directions of the upper and lower magnetism collection plates and upper and lower yoke plates are staggered at a certain interval, so that passive suspension can be realized; left and right I-shaped suspension steel rails 1 are arranged at two ends of a sleeper 11, horizontal guide wheels (8) are arranged on left and right sides of a train; linear motor driving coils (8) are arranged on the rail, and form a two-sided permanent-magnetic linear motor high-efficiency traction train with a traction permanent-magnet on the train, and a safe, superspeed and energy-saving novel rail transition system is constructed.

The invention belongs to the field of peristaltic pumps, and particularly relates to a hose pump. The hose pump comprises a pump shell, an end cover arranged on one side of the pump shell and a hose arranged along the peripheral inner wall of the pump shell; two ends of the hose extend to the exterior of the pump shell and are fixed; a rotor and a main shaft concentric with the rotor for driving the rotor are arranged in the pump shell; the periphery of the rotor is provided with a pressing roll; the pressing roll and the peripheral inner wall of the pump shell form intermittent extrusion fit for the hose; the periphery of the rotor is also provided with a groove wheel which is supported and fixed by a rotating shaft; two ends of the rotating shaft are fixedly arranged on the rotor; the rotating shaft and the rotor are parallel to the gyration center of the pressing roll; and the cross section of an upper groove of the groove wheel is U-shaped, the bottom arc line of the U-shaped groove of the groove wheel is matched with the cambered surface of the outer wall of the hose, and the width of a notch of the groove wheel is matched with the outside diameter of the hose. The hose pump has the advantages of high pumping efficiency, low energy consumption and long service life.

The invention relates to a high lubrication low friction piston applied to a reciprocating piston internal combustion engine and an air compressor. The technical proposal is that the invention mainly consists of a piston head part, a piston skirt part and a piston cirque trough. The invention is characterized in that the side surface of the external wall of the piston is provided with a plurality of concave troughs which can move along the side surface radian of the external wall of the piston; an interval on the side surface of the external wall of part of the piston preserved between adjacent concave troughs forms a convex ridge; the most convex position of the convex ridge is aligned with the side surface of the external wall of the piston. The invention has the beneficial effects of reinforcing the lubrication performance, reducing the friction resistance, preventing cylinder expansion and locking, reinforcing the sealing performance, improving the exhaust standard and relieving the pollution exhaust, and prolonging the service life of the engine.

A method for turning a spoke plate part of an integral wheel type component is characterized in that the cutting speed of a cutting point is required to be constant, the cutting linear speed is 20-120 m / min, and the feed amount is 0.16 mm / r. According to the technical scheme, the constant cutting speed is adopted, and in a cutting process, the component removal rate can be guaranteed to be unchanged, and the load borne by a cutter is basically unchanged, so that the service life of the cutter is greatly prolonged, and the surface quality of a component is provided.

A synchronous belt type hairbrush sweeping device includes a sweeping box. A driving device, a hairbrush synchronous belt sweeping device, a spraying device, a cleaning device, a pressing device and an adjusting device are arranged in the sweeping box. The hairbrush synchronous belt sweeping device is composed of three synchronous belt pulley sets, a hairbrush synchronous belt and a comb-shaped sweeping plate. One of the three synchronous belt pulley sets is driven by a motor and serves as a driving belt pulley set, and the other two synchronous belt pulley sets serve as driven belt pulley sets. The pressing device and the adjusting device are used for pressing a belt entering the sweeping box, to cause the belt adhering to the hairbrush synchronous belt to pass. The spraying device is opposite to the hairbrush synchronous belt and is used for wetting dust-shaped materials which are swept down, so that the dust-shaped materials fall to the bottom of the sweeping box. The cleaning device is used for flushing the materials swept down to a blow-off pipe at the bottom of the sweeping box. According to the synchronous belt type hairbrush sweeping device, the materials swept out are discharged to a sewage pool in the form of liquid while aggregate on a return belt can be effectively swept, the dust is reduced to the largest extent, and the synchronous belt type hairbrush sweeping device is compact in structure and suitable for various narrow and small spaces.

The solid materials rotary valve involves in a rotary valve which is used for control solid material flow circulating or not. The valve consists of valve body and drive executive device, the valve body consists of valve shell (2) and spool (3); the spool (3) is installed on the central axle of valve shell (2), the upper of the valve shell (2) is equipped with feeding mouth (2-1) which is connected with the feeding chute (1), the lower of the valve shell (2) is equipped with discharging mouth (2-2) which is connected with discharging chute (4); the drive executive device (5) is linked with the revolution axis of spool (3) through linking bar (6). The rotary valve in the invention has not hear phenomenon during the closing process, the abrasion is slight, it is helpful for maintaining the stability of rotary valve air impermeability, namely the air impermeability is not reduced with the prolong of valve using time. The rotary valve has not hear phenomenon during the total process, the drive motor need not overcome shearing force, the power loss is small; the abrasion is slight in the rotary valve working process, the use life is long; the sealed surface need not expensive wear-resisting process, the cost of the rotary valve is low.

To provide: a latent electrostatic image bearing member including one of a cured material obtained through radical polymerization of a radically polymerizable compound of component (A1), and a cured material obtained through radical polymerization of a radically polymerizable compound of component (A2) in the outermost layer, wherein the component (A1) includes two radically polymerizable groups and a substituted amino group which does not include a radically polymerizable group in a molecule, and the radically polymerizable group and the nearest substituted amino group which does not include an unsaturated bond in between are connected with two or more aromatic hydrocarbon compounds, and, the radically polymerizable compound of component (A2) includes a condensed polycyclic aromatic hydrocarbon formed by bonding a radically polymerizable group and a non-radically polymerizable substituted amine group through a condensed polycyclic aromatic hydrocarbon group; and an image forming apparatus, image forming method and process cartridge which uses thereof.

The invention belongs to the equipment that separates the deposing solid grains from liquid and collects them, and especially relates to collecting equipment of settled sands of sewage treatment. The invention comprises the jeer block moving along the aeration settling pit, which is characterized in that the jeer bloc is set the upper and the lower guide wheels connected by pedrails or chains, and the pedrails and chains have spade heads. The upper guide wheel has driving equipment, driving chain wheels or guide wheels. The spade-heads circle along the chains or pedrails to dig out the settled sands. Compared with the sand absorbing pump technology, the invention uses the spade-head to shovel sands, which is simple and reliable. The sands dig out has little water and needn't going into sand-water separator. The invention simplifies the technique, saves the equipment and energy; and it can synchronously operate with the floating slag scratching equipment on the jeer block. It is feasible and economical to alternate the present pump-absorbing jeer block.

The invention provides a metal zipper coloring agent. The metal zipper coloring agent comprises a material a of 20 to 100 g / L, a material b of 10 to 120 g / L, sodium sulfate solid of 0 to 100 g / L and the balance of water, wherein the material a is selected from one of sodium chlorite solid, sodium persulfate solid and potassium persulfate solid; and the material b is selected from sodium hydroxidesolid or potassium hydroxide solid. The metal zipper coloring agent is prepared from the components with specific proportion; by the metal zipper coloring agent, the metal zipper takes on olive color,the color is the color that the existing metal zipper does not take on, the coloring quality is excellent, and the color is not liable to lose; meanwhile, the durability of the zipper is excellent.

The invention belongs to a kind of installment which is used to separate and collect the precipitation solid particle from the liquid, Specially involves the collecting sink granulated substance installment in the sewage treatment.The invention discloses realized like this, it includes the driving car moves along the aeration sand collector, the driving car has the funnel uses to store the granulated substance, on the driving it establishes the runner, lower part is established with the runner, the upper runner and the under runner transmit through the link chain,the is a dig funnel on the chain link,the upper runner has a dive installment on it, Therefore it will be able directly dig out the sink granulated substance from the lower pond, the water content will be extremely low, work 30minutes every day will to be possible to complete the centrifugal pump 24hours work loads, therefore greatly enhances the working efficiency, reduces the equipment movement cost; Compares with the existed technology, the equipment attrition is slight,the energy consumption is few,the cost maintains to be low.Moreover,the moisture content of the granulated substance duged out is very low, did not need to enter the granulated substance water separator to separate, simplifies the craft, saves the equipment, saves the energy.

The invention is concerned with the sealing equipment for the side moving beater, it is: fixes inside end surface machine seal that crosses the inside wall of the container, fixes outside end surface machine seal between the beating axis and the outside wall of the container. The outside end surface machine seal is double end surface machine seal that fixes on the beating axis by the sealing fixing bushing. The invention is small fraying consumption, better sealing efficiency.

The present invention relates to the use of calcium oxalate as a filler or pigment. In particular described herein is a method of reducing the combustion residue of coated paper or cardboard products by replacing at least a part of the conventional pigments and filler needed for achieving predetermined optical properties with calcium oxalate.

The invention relates to a bearing sealing device of an electromagnetic clutch of an automobile air conditioner compressor, comprising an inner bearing loop, an outer bearing loop and sealing loops at two sides of a bearing. The outside-diameter end of each sealing loop is in interference fit with a groove on the outer bearing loop; the outer side of at least one sealing loop of the bearing is provided with a rigid metal sealing ring; the inside-diameter part of the sealing ring is fixedly connected with the inner bearing loop in a sealing mode; a sealing lip opening at the inside-diameter part of each sealing loop is in sealing fit with the sealing ring; and the sealing ring is in sealing clearance fit with the outer bearing loop. Clearance sealing between the sealing ring and the outer bearing loop prevents slurry from entering the bearing so as to protect the sealing lip opening at the inside-diameter part of the sealing loop. The sealing ring made of metal material can be slightly abraded, and a sealing labyrinth among the sealing ring, the sealing loops, the inner bearing loop and the outer bearing loop enhances the sealing performance. The bearing with provided with the sealing ring at one side is installed to well prevent the slurry from intruding into the bearing, and the sealing loop at the other side of the bearing has good sealing effect under the common action of three sealing lips and two sealing grooves.

The invention discloses a production process for a porcelain doll, which comprises the following steps: producing chromophore materials for later use; stirring and mixing conventional ceramic pugs and the chromophore materials to form ceramic slurry for later use; designing the matrix of the porcelain doll according to the structure; producing the components of the matrix of the porcelain doll by using the ceramic slurry for later use according to the conventional ceramic production technology; carrying out polishing treatment on the components of the matrix of the porcelain doll by adopting a vibratory sand mill; connecting the polished body and four limbs of the porcelain doll through thread holes by using elastic bands or elastic yarns to produce a finished porcelain doll. The parts, such as the head, hands, legs and the like of the porcelain doll produced by the invention can be turned by 360 degrees; the porcelain doll shows the colour of human skin and has high artistic feeling; and therefore, the porcelain doll meets the requirements of modern children on the appreciation and collection of the porcelain doll and is popular among domestic and foreign consumers.

The invention relates to the field of wind turbine rotation speed and output power regulating control devices, and discloses a wind turbine wind pressure variable-pitch whole-process control device, which comprises a hub, a paddle and a variable-pitch actuator. The variable-pitch actuator comprises a variable-pitch device base, a pull rod, a synchronous plate and a shear elastic force balance unit; the variable-pitch device base is fixed on the left end face of the hub; a guide pipe is arranged on the variable-pitch device base; the synchronous plate is arranged on the guide pipe; the shear elastic force balance unit comprises a fixed support I, a fixed support II, a pressing rod I, a pressing rod II and a balance spring. The wind turbine wind pressure variable-pitch whole-process control device provided by the invention is applicable to a small wind turbine, can realize whole-process automatic regulating control on variable-pitch from 0 to 90 degrees during wind turbine operation, and can carry out automatically feathering halt without the need for watching over and maintaining when disastrous gale (larger than 25m / s) occurs; the wind turbine provided with the device is wide in adaptive wind speed range, can efficiently, stably and safely operate within the working wind speed range (3 to 25m / s), and is low in noise and high in annual energy output.

The invention relates to a paper cutter, and in particular relates to a paper cutting device of a paper cutter without a lower cutter. The paper cutting device is used for cutting paper. The paper cutting device is characterized in that an upper cutter is matched with the external diameter of a rubber wheel installed on a rubber wheel seat to cut paper; the upper cutter is vertical to the axis of the rubber wheel; and a paper supporting plate is fixedly installed on the rubber wheel seat. The paper cutting device has the following advantages that the technical problems that the paper cutting devices of the existing paper cutters are easily worn, are short in service life and high in costs, waste time and labour in changing cutters and generate deckle edges and winding when in cutting paper are solved.

A textile complex to be applied on a communication panel substrate.It includes a first layer comprising a non-woven textile web, a first face of said textile web being calendered and a second face comprising loops for interaction with a self-attachment strip fitted with hooks. The textile complex further includes a second layer constituted by a printing ink deposited onto said first layer opposite the first face of the textile web.

A process for performing a heterogeneously catalysed reaction in a three-phase reactor, where there is at least one liquid phase, at least one gaseous phase and at least one solid phase in the reactor and the reactor has at least two zones, with the reaction mixture being conveyed downward in zone 1, the reaction mixture being conveyed upward in zone 2, zones 1 and 2 being separated from one another by a dividing wall, and in that the ratio between the average catalyst concentrations in zone 2 and in zone 1 is greater than 2.

The invention discloses a stop valve centrifugal pump device which is composed of an electric valve, a centrifugal pump, a support and pipelines. The centrifugal pump and the electric valve are arranged on the support and are fixedly connected through the pipeline. The centrifugal pump and the electric valve are synchronously started and stopped. The pipeline through which one end of the electric valve is fixedly connected with the centrifugal pump is a linear pipeline or an S-shaped pipeline. The pipeline connected with the other end of the electric valve is a linear pipeline or a U-shaped pipeline. The stop valve centrifugal pump device has a complete self-suction function. The function of achieving permanent self-suction through drainage one time can be achieved only by ensuring that a certain amount of drainage water is stored in the pipelines before work. Therefore, a pipeline system is simplified, and labor conditions are improved; a centrifugal pump mechanical seal is free of dry grinding, slight in abrasion and small in leakage amount; and the stop valve centrifugal pump device has the beneficial effects of being compact in structure, convenient to operate, stable in running, easy to maintain, high in efficiency, long in service life and the like.

The invention relates to a paper cutter, and in particular relates to a paper cutting device of a paper cutter without a lower cutter. The paper cutting device is used for cutting paper. The paper cutting device is characterized in that an upper cutter is matched with the external diameter of a rubber wheel installed on a rubber wheel seat to cut paper; the upper cutter is vertical to the axis of the rubber wheel; and a paper supporting plate is fixedly installed on the rubber wheel seat. The paper cutting device has the following advantages that the technical problems that the paper cutting devices of the existing paper cutters are easily worn, are short in service life and high in costs, waste time and labour in changing cutters and generate deckle edges and winding when in cutting paper are solved.

The invention provides an anti-skid chain ring with no damage to a tire and a pavement and belongs to the field of automobile running safety. A problem that the chain ring damages the tire and the pavement is solved, and the generated noises are reduced. The specific scheme is that two straight edges of a circular ring chain are correspondingly machined into flat shapes with elliptical sections; one side of the circular ring chain forms an elliptical base; and the other side of the circular ring chain forms an elliptical roof. During machining and assembling an anti-skid chain, the chain ringsand existing chain rings are alternately connected; the directions of the bases of the new chain rings are consistent with each other; and the bases of the chain rings stick to a tread and stand on the tread. Due to the large area of the base, the force bearing surface of the tire is enlarged by multiples, and the pressure can be reduced by multiples. Moreover, the new chain ring with the elliptical flat bottom can roll along the surface of the tire within a certain amplitude after bearing the force, the existing chain ring twist and slide on the tread after bearing the force to neutralize gnawing and filing of the tire so as to protect the tire against being damaged. The area of the top of the new chain ring is increased and the new chain ring can roll along the pavement to buffer collision to the pavement, and therefore, the pavement is protected.