27results about How to "Good grounding" patented technology

The invention relates to the technical field of soil pollutant migration and early warning, and particularly discloses a geophysical soil pollutant migration and early warning simulation method, which comprises the steps of S1, mounting a geophysical detection equipment component, S2, data acquisition, S3, data processing and S4, data imaging. The induction electromagnetic method is generally used for rapid exploration investigation, stratum conductivity distribution is rapidly obtained, a conductivity abnormal area is found out, and help is provided for subsequent geophysical method construction. The ground penetrating radar is mainly suitable for stratums, underground pipeline positions, underground storage tank positions, shallow waste burying thickness and distribution, underground tank leakage, shallow DNAPL / LNAPL pollution and heavy metal pollution. In an underground pollution survey project, a ground penetrating radar method is mainly used for finding out positions of underground metal, pipelines and electromagnetic wave attenuation, measuring line arrangement and construction are facilitated through a high-density electrical method, and the application range of the high-density electrical method comprises hydrogeological detection, large underground structure detection, underground groove leakage detection and the like.

The present invention discloses a glutinous rice flour grinding process for ancient method maltose production, and relates to the technical field of grinding, and the glutinous rice flour grinding process comprises the following steps: taking a proper amount of glutinous rice, putting into a cleaning part, removing impurities in the glutinous rice through multiple times of cleaning, discharging a part of rice washing water after the last time of cleaning until the remaining water just immerses the glutinous rice, and standing and soaking; draining and absorbing moisture on the surface of the glutinous rice, and putting the glutinous rice into a freezing part for quick-freezing; soaking the glutinous rice again and intermittently shaking; putting the glutinous rice into the freezing part again; unfreezing the glutinous rice, and drying the glutinous rice until surface moisture is removed; grinding the glutinous rice in a grinding part to obtain the glutinous rice flour. Sticky rice absorbs water and is subjected to quick-freezing treatment, so that slender cracks exist on the surface, free water in the sticky rice grains forms ice crystals to extrude internal structures of the sticky rice grains due to the fact that the sticky rice grains which are soaked and absorb water are subjected to the low-temperature effect in the freezing process, and after the sticky rice grains are dried, the surface moisture loss of the sticky rice grains is faster, the internal loss is slow, and cracks and cracks are generated.

The utility model discloses a powder disinfectant production grinding device, and relates to the technical field of powder disinfectant production, the powder disinfectant production grinding device comprises a grinding box, the top of the grinding box is fixedly inserted with a feeding assembly, the inner bottom surface of the grinding box is movably provided with a material distributing assembly, the right side of the grinding box is provided with a discharging groove, and the right side of the grinding box is provided with a feeding assembly. The inner wall of the grinding box is rotationally connected with two sets of grinding rollers, the left side of the grinding box is rotationally connected with two sets of gears, and the outer surfaces of the two sets of gears are meshed with each other. Raw materials of a powder disinfectant are put in from the feeding assembly and are crushed by the feeding assembly in the falling process, large raw materials can be crushed into small raw materials to fall down, grinding can be finer during grinding, the crushed raw materials fall into a gap between the two sets of grinding rollers, and the grinding efficiency is improved. The first motor drives one set of gears to rotate, and the other set of gears rotate along with the first motor to enable the two sets of grinding rollers to smash and grind raw materials.

The present invention discloses a colloid mill for asphalt, which connects a mill cavity and a mill cover at the end of a mill shell body, realizes the setting of the internal moving knife combination and the static knife combination after the two are connected, and an adjustment drive module is arranged on the mill cover and inside the mill cavity to adjust the gap between the moving knife combination and the static knife combination. Through the above structural arrangement, the wear compensation of the cutter disc can be realized, and the asphalt grinding can be refined; furthermore, the present invention adopts a hinged fixing method for the mill cavity and the mill cover, and the two can be opened to facilitate the internal cleaning and maintenance; furthermore, the present invention arranges a heat preservation cavity on the mill cavity, and realizes the introduction of heat transfer oil through a connecting pipeline. Through this arrangement, the external medium can continuously keep the heat preservation cavity warm, and the asphalt is prevented from solidifying inside. The product structure design of the present invention is simple and novel, which can solve the technical drawbacks encountered by the current colloid mill and improve the grinding efficiency. It is an ideal colloid mill for asphalt.

The utility model provides a rice crushing mechanism for making rice noodles, which belongs to the technical field of rice noodle processing equipment and comprises a crushing box, a grinding disc is fixedly arranged in the crushing box, a grinding head is rotatably connected onto the grinding disc, and the grinding head comprises a spherical grinding head rotatably connected to the center of the grinding disc. A mounting cavity matched with the spherical grinding head is formed in the corresponding grinding disc, a plurality of material passing grooves are formed in the surface of the spherical grinding head, a conical grinding head is fixedly connected to the spherical grinding head, the conical grinding head is matched with the upper base surface of the grinding disc, and a connecting rod is fixedly mounted on the upper portion of the conical grinding head. Rice is crushed step by step through the conical grinding head, and the crushed rice particles are further ground and crushed through the spherical grinding head, so that a filter screen is not used, and the smoothness of the rice during crushing is ensured.

The utility model discloses a rotary pay-off rack for cable processing, and relates to the technical field of cable processing, the rotary pay-off rack comprises a pay-off roller and adjusting columns, the left end and the right end of the pay-off roller are both provided with the adjusting columns, the tops of the adjusting columns are provided with a supporting frame, and the top of the supporting frame is provided with a servo motor; the middle of the adjusting column is connected with stable inclined columns in a front-back symmetry mode. According to the rotary pay-off rack for cable processing, the adjusting columns are symmetrically arranged and connected to the left end and the right end of the pay-off roller, and by means of the structural arrangement of the adjusting columns, on one hand, stable structural support can be provided for the pay-off roller, and on the other hand, the pay-off roller can be subjected to up-and-down lifting adjustment within a certain range in the vertical direction according to the diameter of a cable roll; and due to the structural arrangement of the stable inclined columns, good front-back structural support can be provided for the two sets of adjusting columns according to needs, so that the use and operation stability of the whole device is ensured.

The utility model relates to the technical field of cement manufacturing, and provides a powder concentrator of a roller press of a cement grinding mill. The inner grinding cylinder is arranged in the shell, and a fine powder outlet is formed in one end of the inner grinding cylinder; the two cement particle inlets are formed in the surfaces of the symmetrical positions of the inner grinding cylinder, and limiting grooves are formed in the symmetrical positions of the inner wall of the inner grinding cylinder; and the hydraulic cylinder is fixedly arranged on the inner wall of the inner grinding cylinder. According to the cement raw material grinding device, materials are put into the inner grinding cylinder through the raw material putting pipe, the driving motor is started to work, the grinding roller is driven to rotate and is matched with the grinding part on the inner wall to grind the cement raw materials, and when the ground granularity cannot meet the requirement, the hydraulic cylinder is started to work, the output end mounting frame is driven to move along the limiting groove, and the cement raw materials are ground. And a driving motor on the surface of the mounting frame is driven to move upwards to be better attached to the grinding part, finer grinding is completed, and therefore the applicability of the device is improved.

The invention provides a novel material with high near infrared reflection performance. The general formula of the novel material is Nd < 2-x > Bi < x > MoO < 6 >. Compared with the prior art, the near-infrared reflection material of the system is a blue pigment, a light purple pigment and a purple gray pigment which are tunable, has higher near-infrared reflection performance, has bright color on the basis of excellent performance, and solves the problem of color vacancy in the market. And the material is an inorganic pigment, does not contain heavy metal oxides such as Cd, Cr and the like, is friendly to human bodies and the environment, and conforms to the green and environment-friendly concept. Meanwhile, the near-infrared reflecting material is simple in preparation process, stable in product chemical property, easy in powder grinding, uniform in chromaticity, free of radioactivity and suitable for industrial production and general popularization and application.

The utility model provides a horizontal sand mill for printing ink production, which comprises a rack, a storage assembly, a driving assembly, a grinding assembly and a transmission assembly, and is characterized in that raw materials are ground by arranging a rotary rod and grinding rods, and the raw materials can be repeatedly ground by arranging the grinding rods at intervals, so that the grinding efficiency is improved, and the grinding efficiency is improved. The raw materials are finer, subsequent preparation is facilitated, the quality of finished products is improved, the stirring rod is arranged, when the raw materials are ground by the grinding rod, the stirring rod stirs the raw materials, the raw materials and the stirring rod collide and shear each other, meanwhile, the movement of the raw materials in the charging barrel is more irregular through stirring, and the quality of the finished products is improved. Therefore, the grinding of the raw materials is finer, the subsequent preparation is facilitated, and the quality of a finished product is improved.

The utility model belongs to the technical field of meter box manufacturing, and relates to a modularized meter box, a meter box body is a box body structure with an open front side surface, a front panel is fixedly connected with the meter box body in a welding manner, and the front panel is provided with three rectangular openings which respectively correspond to a wire inlet chamber, a metering chamber and a wire outlet chamber in a cavity of the meter box body; an insulating back plate is fixedly installed at the position, corresponding to the wire inlet chamber, of the inner surface of a rear panel of the meter box body, a modular combination unit back plate is fixedly installed at the positions, corresponding to the metering chamber and the wire outlet chamber, of the inner surface of the rear panel of the meter box body, and the modular combination unit back plate comprises a back plate base, a first back plate cover plate and a second back plate cover plate. The back plate base is provided with a top-layer wiring groove and a bottom-layer wiring groove in the vertical direction, the bottom-layer wiring groove penetrates through the whole back plate base, and the top-layer wiring groove is distributed in the upper portion of the back plate base. According to the utility model, all the connecting wires pass through the layered wiring grooves, so that the problems of wire heating adhesion, wire heat dissipation and missort are solved; the heat dissipation performance is good, and the grounding performance is excellent.

The invention discloses a highland barley fine powder grinding device, which relates to the technical field of highland barley processing, and comprises a hollow outer shell, wherein the outer shell is provided with: a feed top plate fixedly connected to the outer shell; and a bran filtering frame located below the feed top plate. In the invention, highland barley is placed into the bran filtering frame from the feed top plate, and then the bran on the surface of the highland barley is filtered out by a bran filtering piece, and then the highland barley bran is ground by the cooperation of the bran filtering and grinding component and the outer wall of the bran filtering frame. At the same time, the invention also realizes the grinding of highland barley fruit by extrusion and grinding by the bran filtering frame rotating while moving up and down, and at the same time, when the bran filtering frame moves up and down, it is helpful to grind the bran and fully contact the highland barley with the bran filtering piece, and after filtering out the highland barley bran, the highland barley fruit and the bran are ground respectively at the same time, and the manufacture and extraction of highland barley fruit powder and bran powder can be realized at the same time.

The invention discloses a kingpin steering device, which belongs to the technical field of vehicle steering and comprises a kingpin steering motor, a rocker, a cross shaft, a steering knuckle and a rotation driving mechanism, the kingpin steering motor is mounted on a frame, an output shaft is used for driving the rocker to rotate, and the cross shaft is rotationally connected with the rotating end of the rocker and the upper end of the steering knuckle. A rotation pair formed by the cross shaft and the rocker is perpendicular to a rotation pair formed by the cross shaft and the steering knuckle, one side edge of the steering knuckle is used for being connected with a hub, the bottom of the other side edge of the steering knuckle is connected with a rotation driving mechanism used for driving the steering knuckle to rotate, and the rotation driving mechanism is connected with a frame. The rotation driving mechanism drives the steering knuckles to drive the wheels to rotate according to needs, the kingpin steering motor drives the rocker to drive the cross shaft and other structures to rotate, so that the axis position of the kingpin is adaptively changed, and the problem that positioning parameters are greatly changed in the vehicle steering running process is solved through changes of the axis of the kingpin; and the tire posture is the same as the normal state during transverse movement.

The utility model discloses a novel FPC connection structure, which comprises an FPC plastic shell, a signal terminal, an organ cover and a flat cable, the FPC plastic shell is internally provided with an installation groove, the signal terminal is fixedly installed in the installation groove, and one end of the signal terminal is respectively provided with an upper force arm and a lower force arm. According to the novel FPC connection structure, the flat cable is in occlusion contact with the lower force arm in the signal terminal, the occlusion mark is uniform and does not damage the flat cable golden finger, and the occlusion mark of the flat cable golden finger is clear, obvious, damage-free and good in contact, so that the novel FPC connection structure is stable and reliable in overall contact performance, an abnormal phenomenon caused by poor contact in production and after-sale is completely eradicated, and the service life of the FPC connection structure is prolonged. Meanwhile, the grounding piece and the contact elastic piece are in direct contact with the flat cable aluminum foil, the impedance is small, the grounding effect is good, the retaining function of the signal terminal is increased, the retaining force between the flat cable and the FPC connecting structure can be increased, meanwhile, the contact areas of the upper force arm and the lower force arm and the flat cable are plated with gold, and cost is saved.

The present application relates to raw material crushing technical field, and discloses a kind of raw material crushing equipment for poultry feather production amino acid, comprising: pretreatment cylinder, the top of the pretreatment cylinder is communicated with feed frame, the top of the feed frame is rotatably connected with cover plate by rotating pin, the bottom of the pretreatment cylinder is communicated with discharge nozzle, the outside of the discharge nozzle is fixedly connected with support plate, the bottom of the support plate is fixedly connected with base;Crushing cylinder, the bottom of the crushing cylinder is located in the central position and is provided with discharge port;Crushing device, for grading crushing treatment to raw material;Stirring device, the stirring device is used to stir the raw material in the crushing cylinder;Discharge device, the crushed raw material is screened and discharged by discharge device.The raw material crushing equipment for poultry feather production amino acid processes feather using the processing mode of combining pre-crushing and fine crushing, and the pre-crushed feather is finely ground and cut.

A prefabricated bridge deck ancillary facility grounding connector comprises a metal fixing (1), a pre-embedded mounting seat (3), and a guide plate (2), wherein the metal fixing (1) assembles and connects the guide plate (2) and the pre-embedded mounting plate, the pre-embedded mounting seat (3) is pre-embedded in the upper surface of the bridge deck, the guide plate (2) is pre-embedded in the bottom plate of the prefabricated bridge deck ancillary facility, the pre-embedded mounting seat (3) is longitudinally connected in series in the bridge deck, and the guide plate (2) is connected to a grounding terminal in the prefabricated bridge deck ancillary facility. The prefabricated bridge deck ancillary facility grounding connector provided by the present invention realizes the integration of bridge deck ancillary facility power generation through the connecting member being grounded and connected in series in the bridge deck, improves the grounding efficiency, achieves a better grounding effect, reduces the complexity of prefabricated bridge deck splicing, shortens the construction period, and increases the integrity of prefabricated bridge deck ancillary facilities.

The utility model discloses a pretreatment device for detecting heavy metals in tea leaves, which comprises a storage bin in the shape of an inverted circular truncated cone; the discharge holes are formed in the wall of the storage bin in a circumferential array penetrating manner; the grinding assembly can be inserted into the storage bin, the grinding assembly can rotate relative to the storage bin so as to complete the action of extruding the tea leaves from the discharging opening, and the grinding assembly comprises a grinding block which is in an inverted circular truncated cone shape; according to the whole device, through the unique design of the grinding assembly, rapid grinding of tea leaves is achieved, the tea leaf sample pretreatment efficiency is improved, the particle size of ground tea leaf particles can be controlled according to the pore size of the discharging port through the arrangement of the discharging port, the tea leaf sample pretreatment efficiency is improved, and the tea leaf sample pretreatment efficiency is improved. And the accuracy and repeatability of subsequent experiments are ensured.

The utility model discloses a double-sided grinding machine, which relates to the technical field of silicon wafer grinding and comprises a workbench, one side of the top of the workbench is fixedly connected with a hydraulic power unit, the output end of the hydraulic power unit is in transmission connection with a support body, and the top of one end of the support body is fixedly connected with a driving motor. And the output end of the driving motor is in transmission connection with a grinding mechanism. The bottom grinding disc is controlled by the servo motor to rotate and grind, the discharge hole groove is formed in the bottom grinding disc, dust generated by grinding is discharged from the discharge hole groove and is absorbed into the interior by the dust suction device on the outer side, the dust generated in the device is collected, dust cannot be attached to the surface of an object, and the service life of the device is prolonged. And the edge grinding plate is connected with the output end of the driving motor through a second connecting assembly, when the output end rotates, the second connecting assembly drives the edge grinding plate to rotate and grind together, meanwhile, the bottom of the output end drives the top grinding disc, and silicon wafers can be ground more finely through synchronous operation of the two.

The invention discloses a machining device for metal powder production, and relates to the technical field of metal powder machining. Comprising a base, a grinding barrel is fixedly installed at the top of the base, a charging hopper is arranged on the inner side of the grinding barrel, a discharging assembly is arranged in the middle of the charging hopper, a driving shaft is arranged in the middle of the base and the grinding barrel in a penetrating mode, a fastening bolt is arranged on the outer side of the driving shaft, and a grinding assembly is arranged on the outer side of the driving shaft; an intercepting assembly is arranged in the middle of the base, and a circulating grinding piece is arranged on the inner side of the driving shaft. By arranging the circulating water mill, the situation that due to friction between grinding pieces, powder is heated too fast and too high, oxidized and agglomerated can be avoided, meanwhile, the whole equipment can be cooled, the service life of the equipment is prolonged, and the property of the metal powder is kept unchanged.

The utility model discloses a high-speed convenient grinding device for a coffee machine, and relates to the technical field of coffee grinding, in particular to the high-speed convenient grinding device for the coffee machine, which comprises a grinding main body, a blanking pipe is fixedly connected onto the grinding main body, and the top of the blanking pipe is fixedly connected with a blanking hopper. A discharging pipe is fixedly connected to one side of the grinding body, a driving motor is fixedly connected to the grinding body, an output shaft of the driving motor is fixedly connected with a rotating shaft, a fan is fixedly installed on the rotating shaft, one end of the rotating shaft is connected with a first cutting and grinding knife, and the bottom end of the first cutting and grinding knife is connected with a linkage rod. And one end of the linkage rod is connected with a transmission rod. According to the high-speed convenient grinding device for the coffee machine, under driving of the output shaft of the driving motor, a transmission rod can drive a second cutting and grinding cutter to rotate, coffee raw materials are cut and ground, and then under the effect of a fan, ground coffee powder can be conveyed.

The utility model discloses an automatic phosphorite discharging device which comprises a storage bin, a feeding hopper is fixedly connected to the top of the rear side wall of the storage bin, a feeding port is formed in the middle of the top of the feeding hopper, and a top grinding roller is installed at the bottom end of the interior of the feeding hopper through a bearing. The bottom of one side wall of the feeding hopper is in bolted connection with a material grinding roller motor, and the movable end of the material grinding roller motor penetrates through one side wall of the feeding hopper and is connected with one of the top material grinding rollers. According to the utility model, the two bottom grinding rollers rotate in opposite directions to crush caked ground phosphate rock, so that the situation that the caked ground phosphate rock blocks the discharge port to cause that materials cannot be normally discharged is avoided, and the lifting cylinder can drive the anti-sticking scraper to move up and down to scrape off the ground phosphate rock adhered to the side wall of the storage cabin, so that the ground phosphate rock is prevented from being blocked by the ground phosphate rock. And the situation that part of the ground phosphate rock cannot be discharged due to the fact that the ground phosphate rock adheres to the side wall of the storage bin is prevented.

The invention relates to the related technical field of grinding machinery, discloses a building gravel grinding device and method, and aims to solve the problem of low construction efficiency caused by dispersed grinding and screening procedures. A grinding roller for grinding and crushing gravel is arranged on the inner side of a filter cartridge, and after the gravel is fed into the filter cartridge, the gravel can be screened firstly, and the construction efficiency is improved; and then along with rotation of the filter drum, the screened sand and stones are conveyed to the position between the grinding rollers to be ground and crushed, the ground and crushed sand and stones are subjected to secondary screening, and the unqualified sand and stones are conveyed back to the grinding rollers again to be ground for multiple times. And finally, the effects of screening in real time after the sand and stones are ground and feeding back the sand and stones with unqualified volumes for secondary grinding are achieved.

The utility model discloses an outdoor lift type lighting lamp relates to outdoor lighting lamp technical field, including power generation component and lift mast, the front end of power generation component is equipped with the air pump, and the left and right sides of power generation component are symmetrically equipped with the support frame, and the bottom of power generation component is equipped with universal walking wheel in front and back symmetry, and the lifting mast is equipped with the lifting mast. The lifting mast is installed at the front end of the top of the power generation assembly, and a lighting lamp set is installed at the top end of the lifting mast. According to the outdoor lifting type lighting lamp, the electric swing arm is connected to the side edge of the three-section type pneumatic telescopic rod, so that the whole lifting mast and the lighting lamp set can be turned over and adjusted to a certain degree, on one hand, flexible lighting can be facilitated, and on the other hand, convenience is provided for transportation through folding of the structure; and through combined use of the supporting frame and the universal walking wheels, it is guaranteed that the whole device has enough flexibility, and meanwhile the stability of the structure of the device can be guaranteed when the device is used for illumination.

The utility model discloses a differential amplification circuit, a power amplifier and electronic equipment, relates to the field of electronic circuits, and solves the problem of low linearity of a differential amplifier adopting a current multiplexing structure. Input power supply voltage is fed into the first-stage amplification circuit through the input transformer, current is multiplexed to the second-stage amplification circuit, the first-stage amplification circuit is in alternating current grounding through the bypass capacitor, the second-stage amplification circuit is directly grounded, and after an input signal is amplified by the first-stage amplification circuit, the second-stage amplification circuit is directly grounded. According to the differential amplifier, the alternating current signal grounding is more ideal, the voltage swing on a transistor in the cascode amplification circuit is higher, the linearity of the amplifier can be remarkably improved, the cascade linearity is ensured, and the problem that the linearity is deteriorated due to a traditional current multiplexing structure of the differential amplifier is solved.

The invention belongs to the technical field of rare earth phosphate compounds, and particularly relates to a phosphate nonlinear optical crystal and a preparation method and application thereof. The invention provides a phosphate nonlinear optical crystal. The chemical formula of the phosphate nonlinear optical crystal is as shown in formula 1. The chemical formulas of the two crystals provided by the invention are respectively Y (PO3) 3 and Lu (PO3) 3, the molecular weights of the two crystals are respectively 325.82 and 411.88, and the two crystals are crystallized in a Cc space group of a monoclinic system. The invention provides the preparation method of the phosphate nonlinear optical crystal according to the technical scheme. The single crystals of the two phosphate nonlinear optical crystals provided by the invention are easy to grow, cut, grind, polish and preserve, are stable in air, are not easy to deliquesce and are insoluble in water; meanwhile, the optical performance is excellent, and the crystal can be applied to an all-solid-state laser as an ultraviolet-visible nonlinear optical crystal.

The present invention discloses an electrical connector and a manufacturing method thereof. The electrical connector comprises an insulating body, a conductive terminal fixed on the insulating body and a grounding member placed in the insulating body. The conductive terminal comprises a plurality of signal terminals and a plurality of grounding terminals. The grounding member is provided with a plurality of pins. The insulating body is provided with a plurality of glue injection grooves. The pins of the grounding member pass through the corresponding glue injection grooves and contact the corresponding grounding terminals. The glue injection grooves are filled with conductive glue. The conductive glue adheres the pins and the grounding terminals, thereby improving stability and high-frequency performance.

The utility model relates to advanced manufacturing and automation technical field, and disclose a kind of additive manufacturing 3D printing ink-jet resin's production device, including collection tank, the top of the collection tank is fixedly installed with feed pipe;Grinding assembly, the grinding assembly is set at the left side of collection tank;Wherein, the grinding assembly includes grinding site, adjusting site.The utility model is by setting grinding assembly, and after pigment, resin and solvent are fully stirred evenly, mixed raw material is added to the inside of machine body by feed inlet, motor is started, grinding roller rotates, raw material is grinded in grinding cavity, it can be ensured that raw material can be mixed evenly, can be started by cylinder, mounting frame moves up and down, the motor of top, grinding roller elevating, the distance between grinding roller and grinding cavity inner wall changes, when grinding roller rises, raw material can be grinded more finely, reaches the effect that avoid appearing particle too large or uneven distribution phenomenon.