47results about How to "Improve scrolling performance" patented technology

The invention provides an intelligent golf pushing rod, comprising a handle rod, a rod body, a rod head, and an average speed measuring device; the average speed measuring device comprises two groups of photoelectric receiving and emitting sensor and processor; the two groups of photoelectric receiving and emitting sensors are used for respectively receiving the time difference of laser beams reflected from the ground surface; subsequently, the processor calculates the average speed during the driving process, thus judging providing gist for judging whether the golf can enter the golf and having better driving effect. Furthermore, the intelligent golf pushing rod is also provided with a three-dimensional acceleration sensor which collects the accelerations along X direction, Y direction and Z direction and the change situation of the acceleration in the whole process when the golf is driven by the pushing rod and the pushing rod leaves the golf, and finally calculates the forces along the X direction, Y direction and Z direction; therefore, the driving forces under different situations can be mastered by exercise, thus driving more exactly.

Provided is a method, system, and program for accessing data in a distributed database environment. A client program receives multiple requests for data from a database object satisfying specified search predicates from an application program. Each request includes a request for at least one row from the table. The client program transfers a database command and a rowset parameter indicating a maximum number of rows to return to a server program over a network if the requested row is not maintained by the client program. A data block is generated with the server program including rows from the database object satisfying the search predicates in response to the database command. The rows included in the data block do not exceed the rowset parameter. The server program transfers the data block to the client program. In turn, the client program returns at least one requested row from the received data block in response to one request for the at least one row of data from the application program.

The present invention discloses an aerogel ball and a preparation method thereof. The preparation method comprises: uniformly mixing an aerogel powder material, an aqueous binder and an additive capable or incapable of selectively being added to prepare an aerogel slurry; uniformly dropping the aerogel slurry on a carrying table formed by mainly and uniformly paving the aerogel powder material so as to form small aerogel balls; and drying the small aerogel balls to obtain the aerogel ball. According to the present invention, the aerogel preparation process is simple, the complex operation is not required, the condition is mild, the method can be performed with the common equipment, the cost is low, the large scale production is easily achieved, and the obtained aerogel bass has advantages of nano-scale continuous pore structure, low density, high specific surface area, uniform mesopore distribution, wide application prospect, and the like.

The invention discloses a preparation method of a super-hydrophobic surface with a directional transport function. The method comprises the following steps: step 1, spin coating a first layer of ultraviolet lithography positive photoresist for the first ultraviolet lithography; step 2, spin coating a second layer of ultraviolet lithography negative photoresist, and tilting a substrate for the second ultraviolet lithography; step 3, dip coating low surface energy nanoparticles; and step 4, evaporating a hydrophilic metal thin film in a vacuum mode, and generating a required directional transport track to obtain the super-hydrophobic surface with the directional transport function. According to the preparation method of the super-hydrophobic surface with the directional transport function provided by the invention, through twice ultraviolet lithography, the specific surface area of a microstructure is increased on one hand, so that the roughness after dip coating the low-surface energy nanoparticles is sufficient; and on the other hand, when the second lithography is performed, the substrate is intentionally inclined for exposure, so that a one-way inclined structure with a certain inclination angle is obtained, therefore a rolling direction is given in advance. The pre-given rolling direction is combined with a hydrophilic transportation track obtained through later evaporation,so that the directional transport of liquid drops is better realized.

An objective of the present invention is to provide a pneumatic tire whereby primarily rolling resistance is minimized and noise is minimized. This pneumatic tire tread rubber (5) comprises: a cap part (50) which is formed of non-conductive rubber and configures a grounding surface; a base part (51) which is disposed on the inner side of the cap part (50) in a tire radial direction (RD); and conductive parts (52) which are disposed in both of a pair of lateral end parts which are at ends of the cap (50) in a tire width direction, traverse the inner part of the cap (50) while avoiding a location which covers the grounding surface, and form shapes which connect the grounding surface with the bottom surface (50b) of the cap part (50) in the tire meridian cross-section. The conductive parts (52) are provided with extended sites (52b) which branch off outward to the tire width direction (WD) from conductive paths (52a) which connect the grounding surface with the bottom surface (50b) of the cap part (50). The conductive parts (52) are formed of a conductive rubber which has different rubber hardness from the non-conductive rubber which forms the cap part (50).

The invention provides a crawler wheel capable of achieving mutual conversion of a wheel type state and a crawler type state. The crawler wheel comprises a fixed-length crawler and a driving device; the driving device comprises holding frames and a driving braking assembly; the holding frames comprise inner fixed brackets and outer movable brackets; the outer movable brackets further comprise supporting plates, pinion telescopic rods and main gear telescopic rods; auxiliary supporting rods are connected between the outer movable brackets and the inner fixed brackets; the driving braking assembly comprises a center driving gear, crawler driving main gears and crawler driving pinions; the center driving gear is fixed between the left sides and the right sides of the inner fixed brackets; thecrawler driving main gears are fixed between the left sides and the right sides of the main gear telescopic rods; the crawler driving pinions are fixed between the left sides and the right sides of the pinion telescopic rods; and the crawler driving main gears and the crawler driving pinions are engaged with the fixed-length crawler. The states can be changed according to the difference of road conditions and terrains, the rolling ability, the loading ability, the stability and the timeliness are improved comprehensively, and the practicability is enhanced further.

The invention discloses a high uniform heating type bean flat plate drying device. The high uniform heating type bean flat plate drying device comprises a machine shell, multiple heating sheets, a scraping mechanism and a driving mechanism, wherein the machine shell is internally provided with a cavity, a feeding hopper is arranged on the top of the machine shell, the bottom of the machine shell is provided with a discharging hopper, all the heating sheets are arranged in the cavity in layered manner from the top to the bottom of the cavity, and spherical grooves are densely distributed in the upper surface of each heating sheet; the scraping mechanism is used for enabling bean materials which are fed through the feeding hopper to sequentially pass through all the heating sheets till the bean materials are scraped into the bottom of the cavity and then discharged through the discharging hopper finally; and the scraping mechanism comprises driving wheels, driven wheels, chains and scraping plates, wherein the driving wheels are driven by the driving mechanism to drive the chains to circularly rotate, the scraping plates comprise multiple soft scraping plates and multiple hard scraping plates, all the soft scraping plates and all the hard scraping plates are alternately arranged in the conveying direction of the chains, and each soft scraping plate comprises a base body part and a brush strip located on the upper surface of the base body part. According to the high uniform heating type bean flat plate drying device, the heating uniformity of beans is greatly improved.

A movement mechanism with two modes comprises two symmetrically-arranged drive rod groups (A) and curved surface housings (A-a). Each of the drive rod groups comprises three rod group branch chains (A-1), a connecting ejection point (A-2) and a connecting ring (A-3), and the rod group branch chains, the connecting ejection point (A-2) and the connecting ring are connected through six branch chain connecting rotation shafts (2). The bottoms of the two drive rod groups are oppositely arranged and are connected as a whole thorough three rod group connecting rotation shafts (1). The connecting ejection point is provided with a platform and an eccentric block motor serving as a power-driven member, and a casing (A-b) for the protection and the positioning of the platform is arranged outside the platform of the connecting ejection point. The mechanism has two movement modes: the mechanism can perform the ellipsoid shape rolling movement and is driven and controlled through an eccentric block when the curved surface housings are closed, and the mechanism can perform the triangular pyramid shape transformation movement and is driven by controlling the transformation and is controlled in steering through the matching of the eccentric block when the curved surface housings are opened.

The invention relates to a double-rowed universal wheel. The universal wheel is composed of a wheel hub 1, a universal wheel rolling wheel assembly 4 and a universal wheel fixing block, wherein the rolling wheel assembly is also composed of a small rolling wheel 5, small rolling wheel bearings 6, a universal wheel pin 8 and a cushion block 7; one small rolling wheel bearing 6 is pressed into the inner side of each of the two ends of the small rolling wheel 5; the small rolling wheel bearings 6 sleeve the universal wheel pin 8; an outer ring is clamped into hard rubber in the small rolling wheel 5; the outer side of a bearing inner ring also ejects against the cushion block 7 which sleeves the universal wheel pin 8; the two ends of the universal wheel pin 8 are fixedly arranged on the wheel hub 1 and are locked by a self-tapping screw and a stopping block. The double-rowed universal wheel provided by the invention can rotate around the wheel hub and the small rolling wheel can also rotate around a self wheel shaft, so that the universal wheel can roll from front to back and can also slide along the lateral direction. Compared with existing other double-rowed universal wheels, the universal wheel has the advantages that noises are greatly reduced, a jolting phenomenon is reduced, the rolling performance is improved and the service life is prolonged; the universal wheel is convenient to mount and dismount.

A ball bearing assembly is formed by coupling at least two units together in an axially abutting manner in which a set of multiple spherical balls are installed between at least one pair of adjacent two units. Each unit is formed in an annular shape to form a circular axial central hole inside. A set of multiple hemispherical seats are separately and concavely formed on at least one of two opposite end surfaces of the unit so as to place the set of multiple balls therein. Hemispherical centers of the set of multiple seats are located on the end surface at a concentric circle around the axial central hole to allow each ball inside adapted to be partially protruded from a wall surface of the axial central hole. In the assembly, a spinning shaft is axially run through and radially supported by at least one set of multiple balls.

The invention relates to the technical field of material conveying devices, in particular to a scraper conveyor, a scraper and a rolling body. The scraper conveyor comprises a material conveying groove, an annular chain, a scraper body, the rolling body and a spraying device. The annular chain can circularly move relative to the material conveying groove; the scraper body is installed on the annular chain, a fixing hole and a sewage draining hole which communicate with each other are formed in the scraper body, and the fixing hole and the sewage draining hole penetrate through the scraper body; the rolling body is mounted in the fixing hole and comprises a shell and a ball, a mounting cavity is formed in the shell, the ball is mounted in the mounting cavity and partially extends out of the bottom side of the shell, and the shell is provided with a sewage outlet hole communicating with the mounting cavity and the sewage draining hole; and the spraying device is arranged on the machine head and / or the machine tail, and when the scraper body is turned over at the machine head or the machine tail, the spraying device can spray towards the sewage draining hole of the scraper body. The scraper body and the rolling body can be cleaned through water flow, the situation that the ball is clamped in the mounting cavity is reduced, and the rolling performance of the ball is improved.

The invention relates to a storage tower for aluminum product production. The storage tower comprises a storage tower frame, a fixed roller frame matched with the storage tower frame in a sliding manner, a storage tower transmission frame fixed on the top of the storage tower frame, and a storage traction device arranged on the bottom of the storage tower frame, wherein the storage traction frame is arranged on the storage tower frame, is connected with the fixed roller frame and is driven by the storage traction device, and at least one storage tower lifting trolley is arranged on the fixed roller frame. According to the storage tower for the aluminum product production, provided by the invention, by adopting the storage tower lifting trolley, the rolling property of a wheel is effectively improved; and by adopting the fixed roller frame, the maintenance time can be effectively increased. The storage tower has the advantages of reasonable structure design, capability of effectively increasing working efficiency, and convenience for installation.

This invention provides a pneumatic tire that improves rolling performance and wear resistance and reduces noise without decreasing wet performance. Said pneumatic tire (1) is provided with a plurality of main grooves (3) in a tread section (2). Each main groove (3) has, in a cross-section perpendicular to the lengthwise direction of said groove, a first floor (3A) and a pair of first walls (3B, 3B) that extend smoothly from said first floor (3A) towards the tread surface (S). The width (W1) of each main groove (3) between the first walls (3B) thereof at the tread surface (S) is between 2.0 and 20.0 mm, inclusive, and the depth (D) of each main groove (3) from the tread surface (S) to the first floor (3A) of said main groove (3) is at least 10.0 mm. For each main groove (3), the quotient (W1 / alpha) of the width (W1, in millimeters) of that main groove (3) and the angle (alpha, in degrees) that the first walls (3B) of said main groove (3) make with a normal to the tread surface (S) is between 1.0 and 2.0 mm / degree, inclusive.

The invention relates to the technical field of pipeline robot mechanical mechanism design, in particular to a continuous-pace tube inner robot based on swash plate driving. A tubular robot body is arranged; the tubular robot body is characterized in that a driving device, self-locking devices and a supporting device are arranged on the two sides of the robot body respectively; the driving deviceis arranged on the right side of the robot body; the driving device is composed of a driving motor, a swash plate, a driving shaft, a coupler, an swash plate connecting shaft and a swash plate fastening nut; three self-locking devices are uniformly distributed on the left side of the robot body; each self-locking device consists of a sliding shoe, a connector, a tension spring, a guide rod, a guide rod sliding seat, a chute support, a self-locking block, a self-locking rod, a self-locking torsion spring, a rolling bearing, a self-locking sliding block, a pressing torsion spring and a pressingelastic block; the supporting device is composed of three supporting assemblies uniformly distributed on the outer wall of the circumference of the robot body; and each supporting assembly is composedof a supporting sleeve, a supporting spring, a supporting rod and rollers. The robot has the advantages of being simple in structure, small in radial size, sufficient in driving force, stable and reliable in operation and the like.

The invention relates to a chemical product, in particular to fireproof bonding glue and a production process thereof. For producing the environment-friendly nontoxic fireproof bonding glue with good bonding property, the invention adopts the technical scheme that the fireproof bonding glue comprises the following components in percentage by mass: 48 percent of aluminium powder, 48 percent of sodium silicate, 10 percent of sodium polyphosphate, 2 percent of methylcellulose, 10 percent of sodium methyl silicate and 10 percent of tap water. The production process comprises the following steps: adding 48 percent by mass of sodium silicate and 10 percent by mass of water into 48 percent by mass of aluminium powder; putting the mixture into a reaction kettle to stir and heat, wherein the heating temperature is between 65 and 68 DEG C; preserving temperature for 3 hours to carry out polymerization; after polymerization is completed, adding 10 percent by mass of sodium polyphosphate into a reaction product to carry out neutralization, wherein the neutralization time is 15 minutes; additionally adding 2 percent by mass of methylcellulose and 10 percent by mass of sodium methyl silicate into the obtained product to stir for five minutes; and carrying out coarse grinding twice and carrying out fine grinding once on the stirred liquid raw materials to obtain the fireproof bonding glue.

The invention relates to the technical field of vehicle assembly, and discloses a multi-axle vehicle double-rear-axle parallelism detection and adjustment method, which comprises the following steps of S1, calculating a required reference of the double-rear-axle parallelism of a multi-axle vehicle; S2, measuring the parallelism of the middle axle and the parallelism of the rear axle by using a measuring tool, comparing the measured parallelism with a required reference, if the parallelism does not meet the required reference, entering step S3, and otherwise, entering step S4; S3, adding an adjusting gasket on the thrust rod until the measured parallelism of the middle axle and the rear axle meets the required standard after the adjusting gasket is added; and S4, tightening the thrust rod according to requirements, dismounting the measuring tool in the step S2, and completing parallelism detection and adjustment. The measuring tool is used for measuring the parallelism of the middle axle and the rear axle, meanwhile, the adjusting gasket is used for adjusting the length of the single-side thrust rod, too many complex devices do not need to be used for adjustment, the double-rear-axle parallelism detection and assembly processes are reduced, and the vehicle double-rear-axle parallelism assembling and adjusting efficiency is improved.

The articulating function of a mounting / bearing for fifth wheels is realized by means of a bolted connection or by using rubber elements as a displacement coupling. The object of the current invention is to create a mounting / bearing device for a fifth wheel having the advantages of both the bolted coupling and the displacement coupling. A mounting / bearing as claimed by the current invention for a fifth wheel (1) has a stirrup-shaped bearing pedestal (30) and a bridge (20) which can be fastened to a coupling plate (2) of the fifth wheel (1), whereby a damping element is arranged between the bearing pedestal (30) and the bridge (20). The damping element is realized as a walking element (10). This ensures that the mounting / bearing can be manufactured with large manufacturing tolerances and can be easily swiveled.

The invention discloses a shaft head of manufactured center machine, which comprises the following parts: frame head seat, which possesses rail groove on the positive surface to extend along axle Z, shaft seat, which pierces the rail groove along axle Z with at least one first groove channel and at least one second groove channel on two opposite sides along Z shaft, line rail group, which consists of at least one first line rail and at least one second line rail in the first and second groove channel separately along axle Z, sliding group, which consists of multiple first and second sliding blocks, wherein the first and second sliding blocks are fixed on two groove walls, which pierces the first and second groove channel to mate the first and second line rails.

The invention discloses a battery car charging fireproof system which comprises a charging pile, a universal interface, a wire connected to the universal interface at one end, a winding device used for winding and unwinding the wire, 36V, 48V, 60V and 80V chargers arranged in the charging pile, a first connector device used for connecting the other end of the wire with the four groups of chargers,a second connector device used for connecting a bus with the four groups of chargers, a heat dissipation device arranged on the charging pile, a cloud platform connected with the charging pile, and atemperature control mechanism used for controlling on-off of the first connector device and the second connector device through temperature signals. According to the invention, a control switch and the like are in good contact, the on-off of the switch is controlled at any time according to temperature signals, fire disasters are avoided, and the system can be used for charging battery cars withvarious specifications and voltages.

To provide a resin material for molding excellently reducing molding shrinkage and affording a molded product having excellent thin-wall moldability, high dimensional accuracy according to design and excellent stability for thermal deformation and to provide the molded product using the material. The resin material for molding comprises a thermoplastic resin, one kind of fly ash and silica fume. The average particle diameter of the silica fume is <=1 / 10 of the average particle diameter of the one kind of fly ash and the compounding ratio of the one kind of fly ash / silica fume is (20 / 80) to (80 / 20) expressed in terms of mass ratio. The thermoplastic resin is contained in an amount of 10-40 vol.% in the resin material for molding.

The invention discloses a rotating width-enlarged promotional box. The rotating width-enlarged promotional box comprises an information display screen, a rolling advertisement display region, and a control circuit. The rolling advertisement display region can increase the number of promotional banners through a rotating structure; the rotating structure comprises a banner rotating motor for enhancing the rolling capability, and a plurality of rolling rotating shafts arranged in a Z-shaped form along the direction vertical to the inner side of an advertisement panel; the number of the rolling rotating shafts depends on the contents of the promotional banners; and the more the contents of the promotional banners are, the more the number of the rolling rotating shafts is. According to the box, the number of the promotional banners can be increased by adding the rotating structure so as to add the promotional contents; an LED lamp with a honeycomb-type structure is used as a backlight lamp of the promotional banners to realize the maximized energy application benefit and illuminate the overall background; and each banner is in the vertical state all the time by simultaneously controlling the left and right ends of the banner to reach the same horizontal position within different times and by using a correction motor.

Freewheel flow track systems for transporting pallets and / or cartons in heavy-duty pallet and carton flow applications are disclosed. According to certain embodiments of the invention, a flow track system comprising multiple longitudinally extending, parallel track sub-assemblies is disclosed. The track sub-assemblies each comprise multiple wheel assemblies mounted to a track frame and arranged in a row extending from an entrance end of the track assembly to an exit end of the track assembly. Each wheel assembly comprises an axle and a polycarbonate resin wheel rotatably mounted on the axle. A lubricant coating is fixed to and bonded with the axle. The wheel is constructed from a polycarbonate-based resin that is impregnated with a lubricant for providing lifetime lubrication to the wheels. The wheel includes a hub, a rim concentric with the hub, a web connecting the hub to the rim, and ribs connecting the hub to the rim through the web. According to other embodiments of the invention, a flow track system including a single track assembly is disclosed. The track assembly includes multiple wheel assemblies mounted on a track frame and arranged in a row extending from an entrance end of the track assembly to an exit end of the track assembly. In these embodiments, each wheel assembly includes an axle and multiple polycarbonate resin wheels rotatably mounted on the axle. The flow track systems disclosed by the invention have a high load capacity, and the wheel assemblies of the flow track systems have a low coefficient of friction, high rollability and high durability. Therefore, the freewheel flow track systems disclosed by the invention provide reliable, efficient and safe pallet and carton flow.

The invention discloses a water softening device for sewage treatment, and relates to the technical field of sewage treatment. The water softening device for sewage treatment comprises a reaction bin, a replacement device is fixed to the right side of the reaction bin, a fixing block is fixed to the middle end of the outer wall of a rotary knob rod, a hollow rod is fixed to the front end of the fixing block, and four cation exchange resin plates are rotationally connected to the outer wall of the hollow rod through four connecting rods. According to the water softening device for sewage treatment, a fixed block is controlled to rotate through a knob rod, so that four cation exchange resin plates are moved into a reaction bin to be in contact with sewage in the reaction bin, and meanwhile, in the process that the fixed block drives the four cation exchange resin plates to rotate, a hemispherical air bag is extruded through an arc-shaped rod; the four ejector rods drive the four cation exchange resin plates to rotate at the same time, the four cation exchange resin plates are unfolded, then the contact area with sewage is increased, and the replacement effect is improved.