61results about How to "Achieve length" patented technology

The invention relates to a rutile type titanium dioxide nanowire film and a preparation method and applications thereof. The preparation method of the film comprises the steps of directly growing rutile phase titanium dioxide nanowire array on a conductive glass substrate, and evenly distributing titanium dioxide nanowire clusters on the surface of the top end of the array; and regulating the proportion of various reactants, reaction time, temperature and other factors by taking sulfate radical-containing titanium slat as precursor for preparing the film. The invention further provides applications of the film, and the film can be used as anode materials to assemble a solar cell, or as photocatalyst to carry out water photolysis or organic matter degradation treatment. The method is simple, and has strong controllability, the problems that therutile phase is difficult to be prepared by using the sulfate radical-containing titanium slat and the titanium dioxide nanowire array grows on the conductive substrate in situ are solved, and the change on the diameter and length of the nanowire can be realized while the no change on crystallinity of a sample can be ensured through a calcination method.

The invention discloses a method for monitoring novel words on Internet and belongs to the field of Internet information mining. The method comprises the following steps: acquiring all articles of thesame day on home pages and subpages of all subordinates directed to by all internal links of the home pages according to a target information source collection; subjecting the articles to word segmentation, assigning weight for each word in each article, using top a words having the largest weight as alternative novel words of the article, and using the number of a plurality of articles as the freq of an alternative novel word on the same day when the word is an alternative novel word of the articles at the same time; calculating the novelty coefficients n of the alternative words according to the records of the freq of the alternative novel words in b days; and determining novelties theta according to the novelty coefficients and determining an alternative novel word as a novel word of the same day when the novelty of the word is greater than a novelty threshold thetat. The method of the invention can effectively find the novel word of the same day and direct the practice for findingand monitoring Internet information.

The invention relates to a single-action type variable length connecting rod and a crank-connecting rod transmission mechanism, the single-action type variable length connecting rod comprises an inner connecting rod and an outer connecting rod, which are nested together and in sliding fit and connection, and the single-action type variable length connecting rod is characterized in that a guide groove is formed on the outer connecting rod and a cushion block which is in sliding fit with the guide groove is arranged in the guide groove; connecting plates for articulating the inner connecting rod and the cushion block together are respectively arranged on the two sides of the inner connecting rod and the cushion block; a guide cylinder is mounted on the outer connecting rod, a guide plate ofthe guide cylinder is fixed on the outer connecting rod through a screw, a guide hole arranged on the wall of the guide cylinder is in sliding fit with a guide short shaft on the guide plate, and a piston rod of the guide cylinder is fixed with the cushion block; a short stroke cylinder is mounted below the guide cylinder which is positioned on the outer connecting rod, and the connecting plates are used for connecting a cylinder body of the guide cylinder with the piston rod of the short stroke cylinder so as to enable the regulation of the length of the connecting rod to be more convenient and faster and enable the electric control to be easier; and the length of the variable length connecting rod can be adjusted in three positions, namely the initial position, the middle position and the hitting position, so that the variable connecting rod in the structure can be applied more widely.

The invention discloses glass laser cutting equipment, and relates to the technical field of glass processing; the glass laser cutting equipment is additionally provided with linear module conveying on the basis of original belt conveying, the linear module conveying precision is high, and the hole site processing precision is effectively improved. And meanwhile, the glass laser cutting equipmentis provided with a transverse alignment measuring assembly and a longitudinal alignment measuring assembly, so that four-direction alignment and length and width measurement of glass are realized, theglass positioning accuracy is improved, and the hole site machining precision is further improved.

The invention discloses an external-skeleton upper-limb rehabilitation robot. The robot comprises an execution mechanism and a driving mechanism; the execution mechanism comprises a back plate, shoulders and upper limb mechanical arms; the back plate is hinged to the shoulders; each shoulder comprises a shoulder rack and a shoulder adjustment fixing mechanism; the upper limb mechanical arms are installed on the shoulders; the upper limb mechanical arms are installed on the shoulders; each upper limb mechanical arm comprises an upper arm mechanism, a forearm mechanism and a hand mechanism, andeach upper arm mechanism comprises an upper arm top plate, an upper arm adjustment fixing mechanism and an upper arm rotation mechanism; each forearm mechanism comprises a forearm adjustment fixing mechanism and a forearm rotation mechanism, and each hand mechanism is a cylindrical grip capable of being grabbed; the driving mechanism comprises a shoulder rotation motor, an upper arm swing motor, an upper arm rotation motor, a forearm swing motor and a forearm rotation motor. The external-skeleton upper-limb rehabilitation robot is compact in structure, convenient to use, stable during work, high in applicability and capable of effectively lowering the treatment cost of patients.

The invention discloses a transporting and storing method for a rotary cutter. According to the transporting and storing method for the rotary cutter, an external connection sleeve and an internal connection sleeve matched with the external connection sleeve are involved. The external connection sleeve and the internal connection sleeve each comprise four side surfaces and a bottom surface. A connection surface is arranged between any two adjacent side surfaces of the external connection sleeve, and a 45-degree included angle is formed between each connection surface and the corresponding two side surfaces. The connection surfaces at the end close to an opening of the external connection sleeve are inwards concaved. At least one protruding block is formed on the connection surface of a cavity inside the external connection sleeve. An inserting-connection surface is arranged between any two adjacent side surfaces of the internal connection sleeve, and a 45-degree included angle is formed between each inserting-connection surface and the corresponding two side surfaces. Each inserting-connection surface is outwards protruded, and thus a plurality of clamping blocks are formed. The finished cutter workpiece is put into the internal connection sleeve, the internal connection sleeve is sleeved with the external connection sleeve, and the position of the internal connection sleeve and the position of the external connection sleeve are relatively fixed through matching of the clamping blocks and the protruding blocks; in this way, the finished cutter workpiece is firmly placed in a protecting sleeve, and the finished cutter can be prevented from rotating through the external connection sleeve which is in an overall cuboid shape, so that the purpose of safely storing and transporting the finished cutter is achieved.

The invention belongs to the field of bridge engineering and discloses a connecting device for bridge construction and a bridge construction method. A first steel cushion plate is anchored at the endof the first arch box hoisting section, and the second steel cushion plate is anchored at the end of the second arch box hoisting section. A left support plate and a right support plate are arrange crosswise with each other and are axially connected at that crosswise position; the whole structure after the left support plate and the right support plate are axially connected is arranged at the joint between the first arch box hoisting section and the second arch box hoisting section, the two ends of the left support plate are fixedly connected with the first steel pad plate and the second steelpad plate, and the two ends of the right support plate are fixedly connected with the first steel pad plate and the second steel pad plate, respectively. A section steel is fixedly connected betweenthe left support plate and the right support plate; the space formed between the first steel cushion plate and the second steel cushion plate is filled with cast-in-place concrete. Through the connecting device, the joint length of the arch bridge can be freely changed, and the length and displacement of the arch axis can meet the design requirements, which is convenient and practical, and can increase the stability of the arch bridge construction.

The invention discloses a welding model structure capable of being processed serially and a using method of the welding model structure. The welding model structure comprises two bracket structures and two rotary positioning structures, wherein the two rotary positioning structures are separately arranged on the two bracket structures; the two rotary positioning structures can rotate; and the rotary positioning structures can regulate mounting positions of screw positioning angular steel and molding board blocking stick angular steel through slide assemblies, so that the positioning effect is achieved. The rotary positioning structures are designed for regulating mounting positions of the screw positioning angular steel and the molding board blocking stick angular steel, so that needs of processing water-stop screws of various lengths and various diameters are realized, and therefore, the purposes of serial processing and multiple use are achieved.

The invention discloses a rewinding device for an aerogel composite coiled material and an operation method, and relates to the technical field of aerogel composite coiled material production. The rewinding device comprises an unwinding mechanism, a conveying mechanism, a dust collection mechanism, a winding mechanism and a transferring mechanism, wherein the unwinding mechanism comprises an unwinding support, a first roll shaft is fixedly installed on the upper side of the unwinding support, the conveying mechanism comprises a conveying support, a plurality of second roller shafts are fixedly installed on the upper side of the conveying support, a plurality of transmission assemblies are further fixedly installed on the upper side of the conveying support, the winding mechanism comprises a winding support and a winding roller shaft, one end of the winding roller shaft is fixedly installed on one side face of the winding support, and a pressing assembly and a discharging assembly are fixedly installed on the winding support. By arranging the conveying mechanism and the winding mechanism, the operation that an aerogel composite coiled material needs to be manually spread for heat dissipation and then manually wound in an existing production process is avoided, time and labor are saved, comprehensive inspection of a product is facilitated, and the production efficiency and the product quality are improved.

A multifunctional metal material detection device disclosed by the present invention comprises a detection box, a baffle plate is fixedly connected to the bottom of an inner cavity of the detection box, an electronic scale is fixedly connected to the bottom of an inner cavity of the baffle plate, a sleeve is fixedly connected to the upper end face of the electronic scale, and a tray is slidably connected to an inner cavity of the sleeve. Lifting devices are installed at the positions, on the two sides of the baffle, of an inner cavity of the detection box, a measuring device is installed at the position, above the baffle, of the inner cavity of the detection box, extrusion devices are installed at the two sides of the wall of the inner cavity of the detection box, a box door is rotationally connected to the front end face of the detection box through hinges, and an observation window is formed in the middle of the box door; and a control panel is fixedly connected to one side of the box door and located below the observation window. The multifunctional metal material detection device solves the problem that a traditional metal material detection device is inconvenient to detect the weight and hardness of a material at the same time.

The invention relates to a connection unit (10) for connecting an electronic device to at least one bus fibre-optic (19) of an optical data bus, said unit comprising a plug housing (11), at least one device fibre-optic (12), which comprises a first (13) and a second (14) light transmission surface, the first light transmission surface (13) being located in the plug housing (11), a mechanical compensation unit (16), which is located in the plug housing (11) and which guarantees sufficient optical contact between the first light transmission surface (13) of the device fibre-optic and a light transmission surface (20) of the bus fibre-optic (19), in addition to a conversion unit (15) that is connected to the second light transmission surface (14) of the device fibre-optic (12) and that converts optical signals into electric signals and/or electric signals into optical signals. According to the invention, the second light transmission surface (14) of the device fibre-optic (12) and the conversion unit (15) are located in the plug housing (11) and the conversion unit (15) is connected to an electric transmission line (17).

The invention belongs to the technical field of ash silo cleaning, and particularly relates to an ash silo cleaning robot. The robot comprises a robot body, a dust collection assembly and an air source control assembly. One end of the robot body is detachably connected to an ash silo, the robot body comprises at least one telescopic assembly and at least one bending assembly which are connected with each other, the telescopic assemblies can stretch out and draw back in the axial direction, and the bending assemblies can be bent in the axial direction; the dust collection assembly comprises a dust collection fan, a dust collection through pipe and at least one fan mechanism, one end of the dust collection through pipe is fixedly connected to the dust collection fan, and the other end of the dust collection through pipe penetrates through the robot body and can stretch out and draw back along with the telescopic assemblies and bend along with the bending assemblies; the fan mechanism is detachably connected to the other end of the robot body; and the air source control assembly is used for controlling the robot body to stretch or bend. According to the ash silo cleaning robot, the robot body can stretch out, draw back and bend in all directions, hardened accumulated ash is effectively scattered, the comprehensive cleaning requirements of different heights and different directions in the silo are met, and the cleaning operation is rapid, safe and comprehensive.

The invention discloses an implantation tool for fixing an orthopaedic prosthesis, relates to the technical field of medical instruments, and solves the problems that: existing orthopaedic drilling machines are generally of a fixed straight structure, and the existing drilling machines are often inconvenient to operate when in use in that bones, particularly joints, are provided with a plurality of uneven structures. The implantation tool comprises a drilling machine main body; the hinge of the drilling machine main body is connected to a group of swing arms; the left sides of the swing arms are axially connected to a group of rotating shafts; the left sides of the rotating shafts are connected to a group of drilling tools in an inserting manner; the top of the drilling machine main body is axially connected to a group of adjusting rotating shafts; and the top of the left side of the drilling machine main body is axially connected to two sets of middle rotating shafts. The implantationtool adopts a swingable structure, can adapt to punching, polishing, screw loosening and tightening and other actions at any angle, is more convenient to use, is suitable for operating positions inconvenient to operate at certain angles, can realize quick replacement of cutters and tools, and is convenient to operate and high in use efficiency.

A method of designing a minute flow rate controller that is capable of accurately controlling the minute flow rate of a fluid and realizing desired valve characteristics without inducing any unsteadiness of fluid flow and has a simple configuration with respect to a throttle groove for controlling the fluid flow rate. With respect to a minute flow rate controller comprising inflow passage (12) for introducing a fluid, valve member (2) furnished with main throttle groove (6) for causing the introduced fluid to flow from a starting end toward a finishing end thereof, fluid outflow port (20) opened with an optional cross section by a flow rate regulating member and outflow passage (14) for leading out the fluid flowing out from the fluid outflow port (20), there is provided a method of designing the minute flow rate controller with entrance throttle groove, comprising providing entrance throttle groove (8) communicably preceding the starting end position of the main throttle groove (6), and, on the basis of a relational expression derived from the momentum equation of the fluid flowing through the entrance throttle groove (8) and the main throttle groove (6), determining the size of the entrance throttle groove (8) so as to exhibit a desired flow resistance.

The invention relates to a fire water monitor body and a fire water monitor. The fire water monitor body comprises a water inlet base; a first worm and gear assembly and a second worm and gear assembly; a plurality of bent pipes which comprise a first bent pipe, a second bent pipe, a third bent pipe and a fourth bent pipe, wherein the first worm and gear assembly is installed on the water inlet base, the first bent pipe is installed on the first worm and gear assembly, the first bent pipe is connected with the second bent pipe through a first compensation pipe, the second bent pipe is connected with the third bent pipe, the third bent pipe is installed on the second worm and gear assembly, and the second compensation pipe is connected with the third bent pipe; and the second worm and gear assembly is connected with the fourth bent pipe. According to the invention, the interchangeability and maintainability of parts of a cannon body can be improved, the pressure loss of a cannon body runner is reduced, and the characteristics of high structural strength, small processing error, good assembly consistency and the like are achieved.

The invention relates to the technical field of aluminum alloy machining, in particular to a fixture for machining aluminum alloys. The fixture comprises a base, a fixing structure, a clamping structure, a sliding structure, a pushing structure, a limiting structure and an extension structure; the pushing structure and the sliding structure are arranged at the top end of the base; the clamping structure is arranged at the end, deviated from the base, of the sliding structure; the clamping structure can automatically clamp aluminum alloy steel pipes to be machined; under the effect of power provided by the pushing structure, the sliding structure is used for conveying the aluminum alloy steel pipes to be machined to a sawing area for sawing; and through cooperative use of the pushing structure, the sliding structure and the clamping structure, the automatic feeding of the steel pipes can be realized, so that the continuous sawing of the aluminum alloy steel pipes is realized.

The invention provides a folding ladder with a locking device. The folding ladder with the locking device comprises two hinged ladder bodies and lateral supporting rod arranged on the two sides of the two ladder bodies. The folding ladder with the locking device further comprises a first connecting rod, a second connecting rod and the first locking device, wherein the first connecting rod is movably connected between the first ladder body and the first lateral supporting rod; the second connecting rod is movably connected between the second ladder body and the first lateral supporting rod; the first locking device is used for locking the first connecting rod and/or the second connecting rod and connected with the first connecting rod and/or the second connecting rod; and the first locking device is arranged on the first ladder body or the second ladder body or the first lateral supporting rod. The safety of the ladder is improved.

The invention discloses an intelligent roe screening and drying machine. The machine comprises a sliding rail, a screening box, a material containing box and a screening net arranged on the sliding rail, wherein the screening box and the material containing box are connected through the sliding rail; multiple groups of screeners are arranged on the screening net in a rotating mode, and are not located on the same plane; each group of screeners comprises a plurality of screening ropes and reactors connected with the screening ropes respectively, and the reactors are connected with the inner wall of the screening net; each reactor comprises a base, a piston body and a twister, and the piston body and the twister are arranged in the base; each piston body comprises a shell, a piston arrangedin the shell, a reaction cavity and a piston rod, and the reaction cavity and the piston rod are connected through the piston; the twisters are connected with the piston rods and the screening ropes;and sandwich layers are arranged on the screening box and the material containing box. According to the roe screening and drying machine, the screening mesh number is accurately controlled in a screening process, sandwich type drying is adopted to ensure that real roes are delicious, the energy consumption is low, the heat efficiency is high, and intelligent control over roe screening and drying is achieved.

The invention discloses a connecting device between multiple rows of seats of an automobile. Each seat comprises an upper seat and a lower seat, the two sides of the upper seat are provided with sliding rails for rolling of rollers, the bottoms of the sliding rails are provided with a plurality of fixing grooves for fixing the rollers, rolling wheels in the rollers are movably connected with the sliding rails, the outer side of the rollers are fixed to one end of a connecting block, the connecting block is used to connect the upper seat with the lower seat, the other end of the connecting block is fixed to the lower seat, the upper seat moves to a partition plate of the lower seat, the partition plate is fixed to the bottom of the lower seat, the bottoms of both the upper seat and the lower seat are provided with a plurality of supporting rods and movable feet, and lifters for controlling the heights of the supporting rods are arranged in the supporting rods. The connecting device is simple in structure, is connected reliably and is convenient to assemble, one lifter is installed on the support rod of each seat, the height of the lifter can be controlled through a lifting button, and plenty of use costs are reduced; the seat can be divided into the upper seat and the lower seat, the length of the seat can be achieved, and the applied range is wide.