47results about How to "Not easy to throw out" patented technology

The invention discloses a dual-metal thrust sliding bearing blank preparation method and a tooling used by the same. The method includes the following steps: in the first step, alloy material and auxiliary materials are mixed: copper alloy particles, copper gas welding flux and charcoal particles are uniformly mixed; in the second step, the mixed alloy material and auxiliary materials are loaded into a mould, and two clamping flange devices respectively press both ends of the mould by means of external force-applying devices; in the third step, an induction heater is arranged on the periphery of the mould, the mould is then rotated, centrifugal rotational speed and the heating power of the induction heater are regulated, and the alloy particle mixture is molten; in the fourth step, the induction heater is removed, the dual-metal blank produced in the third step is put into a movable cooler, a lower water sprayer is first adopted to cool the dual-metal blank for a certain period of time, and an upper water sprayer is then opened to cool the dual-metal blank to room temperature along with the lower water sprayer. The tooling comprises the mould, the clamping flange device and the movable cooler. The process is reasonable, and the defects of dual-metal blanks can be reduced.

The invention provides a self-cleaning method of a surface cleaning system.The surface cleaning system comprises a surface cleaning device and a cleaning assembly, the surface cleaning device is provided with a mopping piece, the cleaning assembly is provided with a cleaning tank used for containing the mopping piece, and a cleaning rib used for abutting against the mopping piece is arranged in the cleaning tank; the self-cleaning method comprises the steps that the mopping and wiping piece is made to rotate in the cleaning tank in the first rotating direction for cleaning till the mopping and wiping piece rotates by an angle a; enabling the mopping and wiping piece to rotate in the cleaning tank in a second rotating direction opposite to the first rotating direction for cleaning until the mopping and wiping piece rotates by an angle b; the first cleaning step and the second cleaning step are cyclically carried out, so that the mopping piece rotates by at least one circle relative to the initial position after cleaning is finished. According to the self-cleaning method, the fluff of the mopping and wiping piece can be turned over easily, and therefore the cleaning effect of the mopping and wiping piece is improved.

The invention relates to the field of sorting and transporting, and discloses a sorting and transporting device capable of conveying cargoes in the middle and facilitating turning of the cargoes. The sorting and transporting device capable of conveying the cargoes in the middle and facilitating turning of the cargoes comprises at least one fixed sorting unit and a plurality of rotary sorting units, wherein any rotary sorting unit is formed by connecting multiple sorters; any sorter is provided with a rolling wheel; the rolling wheels horizontally sleeve the tops of main bodies; the main bodies are arranged on a base and can rotate relative to the base; and the rotating angles of the main bodies in one same rotary sorting unit are equal. By controlling the rotating angles of the rolling wheels in each group of rotary sorting units, the centering function of the cargoes in the linear transportation process is realized; when the cargoes turn, through the cooperation of the fixed sorting units and the rotary sorting units, the cargoes cannot be thrown out of the transporting device in the turning process, and the high transportation speed is still kept when the cargoes enter the turning process; and according to the sorting and transporting device, by changing the rotating angles of the sorters in the rotary sorting units, the cargoes can be ensured to be stable on the device in the transporting process and cannot fall out of the device.

The invention relates to a generator, in particular to a brushless excitation synchronous generator, which solves the problems of unreasonable structures in the existing brushless excitation synchronous generators. The brushless excitation synchronous generator comprises a main generator and a rectifier device fixed on a rectifier wheel of same axis as a main generator rotor; the rectifier device is formed by connecting three rectifier modules and a voltage sensitive module fixed on the rectifier wheel through two conducting rings respectively connected with corresponding connection bolts on the rectifier modules and the voltage sensitive module; two direct current leading-out wires are fixed on the rectifier device; and both the rectifier modules and the voltage sensitive module are provided with pressing boards which are covered by a pressing cover fixed on the rectifier wheel. Achieving the target of ensuring the rectifier modules and the two direct current leading-out wires not to be thrown away easily during the working of the brushless excitation synchronous generator, and the brushless excitation synchronous generator enables the two direct current leading-out wires to be fixed more stably and the wiring to be more reasonable, thus forming a convenient and practical protection device with reliable structure.

The invention discloses a mould for manufacturing a bimetal plain thrust sliding bearing blank and a manufacturing method of the mould. The mould comprises a steel billet and asbestos plates. The steel billet is provided with an inner hole and an annular groove, the annular groove is formed in the hole wall of the inner hole, the inner hole is communicated with the annular groove, the two ends of the steel billet are provided with the corresponding asbestos plates in an adherence mode through high-temperature-resisting binding agents, central holes are formed in the asbestos plates, and the central holes of the asbestos plates are communicated with the inner hole of the steel billet. The mould is simple in structure and can solve the problem that alloy layers at the two ends of the bimetal plain thrust sliding bearing blank are prone to being cracked. The manufacturing method of the mould is further disclosed.

The invention discloses an efficient lubricating gear coupling, and relates to the technical field of couplings. In order to solve the problems that an existing gear coupling is low in lubricating efficiency, and lubricating oil is prone to being thrown out during working, the efficient lubricating gear coupling comprises inner gear rings and outer gear sleeves, the outer gear sleeves are mountedat one ends of shafts and fixedly connected with the shafts through flat keys, meshing areas are arranged in the middles of the outer gear sleeves, the outer gear sleeves are mounted in the inner gearrings and mesh with the inner gear rings, the outer ends of the outer gear sleeves extend out of the inner gear rings, a circle of groove is formed in the inner side of each meshing area, oil cavities are formed between the groove walls and the shafts, L-shaped oil circuits are formed inside the outer ends of the outer gear sleeves, one ends of the L-shaped oil circuits pass through the outer circumferences of the outer ends of the outer gear sleeves and are provided with plugs, the other ends of the L-shaped oil circuits communicate with the grooves, and the meshing areas are provided with aplurality of oiling holes enabling the oil cavities and the junctions between the inner gear rings and the outer gear sleeves to communicate. In the efficient lubricating gear coupling, lubricating grease is high in lubricating efficiency and not prone to being thrown out, and thus resources and the cost are saved.

The invention provides a particle type friction stir additive manufacturing device and method. The device includes a wire cutting mechanism, the wire cutting mechanism includes a base and a cutting part with a cutting edge, the base is provided with a wire guide hole, and the wire guide hole is suitable for the passage of the wire; It is characterized in that the cutting part is in close contact with the base, and the cutting part rotates with the geometric center of the base as the axis, so that the cutting edge intermittently cuts the wire sent out from the wire guide hole. material. The particle-type friction stir additive manufacturing device provided by the present invention can simultaneously obtain the additive particles of different diameters, different lengths and materials, realizes the friction stir additive manufacturing of gradient composite materials, and can ensure the continuous and stable supply of the additive particles. . At the same time, the operation is simple, and multi-layer additive manufacturing can be realized without adjusting the additive device.

The invention discloses a wiping sampling tool of the surfaces of buildings and structures and a sampling method and belongs to the field of pollutant sampling. The sampling tool comprises a wiping rod main body, an auxiliary wiping rod and a wiping head, wherein one end of the auxiliary wiping rod is mounted at one end of the wiping rod main body via a first connecting shaft; the wiping head comprises a connecting rod, a rotating disc and wiping cloth; the connecting rod comprises a mounting section and a connecting section that are arranged vertically; the connecting section is mounted on the auxiliary wiping rod via a pivot; a micro-motor is fixedly mounted in the mounting section; and the center of the rotating disc is fixedly mounted on a rotating shaft of the micro-motor. The tool has the benefits that the wiping rod main body, the auxiliary wiping rod and the wiping head are matched; the rotating disc rotates to drive the wiping cloth to rotate to rub with the surfaces of the buildings and the structures to achieve the purpose of sampling; the design of the wiping rod main body and the auxiliary wiping rod can achieve the wiping sampling of the surfaces of the buildings andthe structures in inaccessible or invisible positions; a sampling scope is enlarged; and the safety of samplers is improved.

The invention discloses a clamp for grinding of the external spherical surface of a spherical surface washer. The clamp comprises a flange plate and a chuck which are fixedly connected, the chuck is provided with a spherical cambered surface, and a plurality of positioning pins are arranged on the spherical cambered surface. The clamp is characterized in that left and right clamping blocks are arranged on the two sides of a positioning pin; a left cavity corresponding to the left clamping block and a right cavity corresponding to the right clamping block are formed in the spherical cambered surface of the chuck; the left clamping block is movably arranged in the left cavity, and the right clamping block is movably arranged in the right cavity; the head portions of the left and right clamping blocks are higher than the spherical cambered surface of the chuck; the outer end face of the chuck is fixedly connected with a flange cover; an adjusting screw is arranged on the outer end face of the flange cover in a rotating manner; a through hole is formed in the portion, between the left cavity and the right cavity, of the chuck, and the adjusting screw movably penetrates the through hole; and the adjusting screw is provided with a left-hand thread connected with the left clamping block and a right-hand thread connected with the right clamping block. By means of the clamp, the spherical surface washer can be quickly clamped and reliably fixed, grinding equipment can conduct finish machining on the spherical surface washer conveniently, and the working efficiency is improved.

The invention provides a measuring device for the bulging degree of a square lithium ion battery, comprising an open cylinder (1), a disk (2), a rotating shaft (3), a rotating motor (4) and a slewing support bearing (5), the The rotating motor (4) is connected to the center of the bottom surface of the disk (2) through the rotating shaft (3) and can drive the disk (2) to rotate; The motor (4) rotates at a fixed speed for a certain period of time, observe and record the number of rotations of the measured square lithium-ion battery built in the center of the top surface of the disc (2) during this period of time, and then calculate the bulge degree coefficient of the battery. The measuring device provided by the invention is simple in structure, stable in performance and easy to manufacture, and the corresponding measuring method is easy to operate, scientific and reasonable, and has good stability.

The invention discloses a method for preparing a blank of a bimetallic thrust sliding bearing and the tooling used. The method includes the following steps: the first step, mixing alloy materials and auxiliary materials: uniformly mixing copper alloy particles, copper gas flux, and charcoal particles; The second step is to put the mixed alloy material and auxiliary materials into the mold, and press the two clamping flange devices on the two ends of the mold respectively through the external force application device; the third step is to place the induction heating device on the outer periphery of the mold , then rotate the mold, adjust the centrifugal speed and the heating power of the induction heating device, and melt the alloy particle mixture; the fourth step, remove the induction heating device, and place the bimetallic blank prepared in the third step in a mobile cooling device, First use the lower water spray device to cool for a certain period of time, and then turn on the upper water spray device to work together to cool the bimetallic blank to room temperature. Tooling consists of moulds, clamping flange units and mobile cooling units. The invention has reasonable process and can reduce the defects of bimetallic blanks.

The invention discloses cibotium barometz hair removing and recycling equipment and belongs to the field of cibotium barometz hair removing and recycling equipment. The cibotium barometz hair removing and recycling equipment comprises a water storage barrel, wherein the upper end of the water storage barrel is symmetrically connected with a pair of extension rods; the extension rods are fixedly connected with a control box; one side of the lower end of the water storage barrel is connected with a water inlet pipe; the other side of the lower end of the water storage barrel is connected with a drain pipe; a first sliding chute is formed in the inner side wall of the water storage barrel; a second sliding chute is formed in each of the extension rods; the first sliding chute is communicated with the second sliding chute; electric sliding tables are mounted in the first sliding chute and the second sliding chute; an upper sliding block and a lower sliding block are connected to the electric sliding tables respectively; the upper sliding block is positioned above the lower sliding block. According to the equipment, the hair removal rate can reach 95% or more; the removed fine hair can be recycled; the recycled fine hair does not contain fine sand and is easily processed into a hemostatic drug, thereby increasing the economic value of cibotium barometz.

The invention discloses a flexible coupling of a wind generator set and an assembling or replacing method of the flexible coupling. The assembling or replacing method is characterized by comprising the following steps: designing and manufacturing parts by unit, assembling the parts to form five unit components, namely a brake disc component, a left flexible connecting sheet component, a middle connector component, a right flexible connecting sheet component and a generator side coupling component; carrying out dynamic balance tests and adjustments of the unit components separately so that the unit components have symmetric structures and dynamically balanced configuration; assembling the unit components to form the flexible coupling; and carrying out a dynamic balance test and an adjustment of the whole flexible coupling so that the whole flexible coupling has dynamically balanced configuration. According to the invention, the parts of the flexible coupling, which are designed and manufactured by unit, can be reliably assembled and conveniently and separately disassembled and replaced, so that the problem of inconvenience caused by breakdown maintenance of the conventional flexible coupling is effectively solved, the maintenance time is greatly shortened, a great amount of maintenance cost is saved, and the flexible coupling has high practicability.

The invention discloses a mould for manufacturing a bimetal plain thrust sliding bearing blank and a manufacturing method of the mould. The mould comprises a steel billet and asbestos plates. The steel billet is provided with an inner hole and an annular groove, the annular groove is formed in the hole wall of the inner hole, the inner hole is communicated with the annular groove, the two ends of the steel billet are provided with the corresponding asbestos plates in an adherence mode through high-temperature-resisting binding agents, central holes are formed in the asbestos plates, and the central holes of the asbestos plates are communicated with the inner hole of the steel billet. The mould is simple in structure and can solve the problem that alloy layers at the two ends of the bimetal plain thrust sliding bearing blank are prone to being cracked. The manufacturing method of the mould is further disclosed.

The invention discloses tubular pile joint closing and grout stopping slurry as well as a preparation method and application thereof, and belongs to the technical field of tubular piles. The tubular pile joint closing and grout stopping slurry has little elasticity, can only fill gaps after being clamped by a mold, cannot cause mold deformation caused by the fact that the gaps are jacked up, and is good in deformation resistance; and the slurry has certain viscosity, so that the slurry is not easily thrown out of gaps during centrifugation, and a good slurry stopping effect is achieved. And meanwhile, too large viscosity cannot be generated on the mold, and the slurry can form blocks after being evaporated to dryness, so that the slurry can be smoothly removed during demolding and cleaning, and the defects that the working environment is influenced due to flying dust generated when the powdery slurry is removed are overcome.

Provided is a cleaning device capable of thoroughly wiping an automobile body. The cleaning device comprises a brush and a rotating shaft capable of fixing the brush. The rotating shaft is connected with a drive mechanism. The cleaning device is characterized in that the brush comprises a flexible base and a wiping part which are capable of being twisted and bent; the wiping part is arranged on the flexible base, and the flexible base is detachably arranged on the peripheral face of the rotating shaft in a sleeving mode; and a fixing through hole is formed in the flexible base, a fixing part is arranged in the position, corresponding to the fixing through hole, of the rotating shaft, and when the peripheral face of the rotating shaft is sleeved with the flexible base, the fixing through hole and the fixing part are buckled. The cleaning device has the advantages that the flexible base and the wiping part can be twisted and bent, the cleaning device is soft in structure, suitable for being washed with a machine and quite convenient to assemble and disassemble, the actual requirement that the automobile cleaning device needs to be cleaned and maintained frequently is met, the labor intensity is relieved, and the working efficiency is improved; and besides, the flexible base can be assembled and disassembled with hands instead of using various tools, so that the maintenance cost is reduced, and using is more convenient.

The invention relates to a generator, in particular to a brushless excitation synchronous generator, which solves the problems of unreasonable structures in the existing brushless excitation synchronous generators. The brushless excitation synchronous generator comprises a main generator and a rectifier device fixed on a rectifier wheel of same axis as a main generator rotor; the rectifier deviceis formed by connecting three rectifier modules and a voltage sensitive module fixed on the rectifier wheel through two conducting rings respectively connected with corresponding connection bolts on the rectifier modules and the voltage sensitive module; two direct current leading-out wires are fixed on the rectifier device; and both the rectifier modules and the voltage sensitive module are provided with pressing boards which are covered by a pressing cover fixed on the rectifier wheel. Achieving the target of ensuring the rectifier modules and the two direct current leading-out wires not tobe thrown away easily during the working of the brushless excitation synchronous generator, and the brushless excitation synchronous generator enables the two direct current leading-out wires to be fixed more stably and the wiring to be more reasonable, thus forming a convenient and practical protection device with reliable structure.