116results about How to "Well oriented" patented technology

The invention discloses an electrostatic spinning collection device and electrostatic spinning equipment with the device. The device comprises a directional fiber collector and a rotatable planar fiber receiver, wherein the directional fiber collector comprises a rotating shaft, two parallel disks mounted on the rotating shaft and a driving unit coupled with the rotating shaft; negative voltage is applied to the disks; fibers formed by splitting charged jet flow released from a positive voltage end are suspended between the two parallel disks in a directional manner; the rotatable planar fiber receiver comprises a receiving disk, and a rotation driving mechanism and a reciprocating driving mechanism which are coupled to the receiving disk; the reciprocating driving mechanism is used for supporting the receiving disk to get into or get out of a space between the two parallel disks; the rotary driving mechanism is used for rotating the receiving disk so as to adjust an angle of the fibers collected to the disk surface of the receiving disk. The invention also discloses an electrostatic spinning collection method using the electrostatic spinning collection device. The fibers electrically spun by the electrostatic spinning collection device are high in directing degree and are suitable for constructing highly ordered fiber tissue structures.

The invention relates to a central clutch release means, comprising: a housing; a piston which serves to actuate a clutch assembly, is guided axially movably in the said housing and is connected to the inner ring of a disengagement bearing; and a preloading spring bearing ring which is in operative contact with the inner ring, wherein the common unit comprising piston, preloading spring bearing ring and inner ring is arranged such that it can be moved translatorily relative to the housing, and at least the preloading spring bearing ring comprises a material which disrupts magnetic fields, wherein a sensor is attached to the housing in order to sense the position of the preloading ring bearing ring, wherein the preloading spring bearing ring is lengthened axially to such an extent that it is in immediate operative connection with the sensor during the axial displacement of the piston over the entire distance of the latter.

The invention provides a ceramic tile seam filling device and belongs to the field of ceramic tile mounting devices. The ceramic tile seam filling device comprises a storage battery, a material pressing component, a shell, wheels, a driving motor I, a driving motor II, a transmission case, springs, a sliding rod, brush rollers, a transmission shaft I, a forward extension plate, driving motors III,a material injecting component, a flexible pipe, a transverse plate I, a guide pipe, a peristaltic pump, a transverse plate II, a guide plate, a material scraping component and a material plasteringcomponent, wherein the material pressing component is arranged at the middle position of the shell; the storage battery and the peristaltic pump are mounted on the upper surface of the shell; the material injecting component is arranged at the lower part of the material pressing component and is connected with the material pressing component through the flexible pipe; the sliding rod is arranged at the middle position of the material injecting component in a penetration manner; two springs are arranged on the sliding rod; the material injecting component is arranged at a middle position between the two springs; the forward extension plate is arranged at one end of the shell. According to the ceramic tile seam filling device, the material pressing component is capable of supplying powerfulpressure to the filling agent; the material pressing component is used for beautifying the filled ceramic tile seams; a better filling effect is achieved.

The invention relates to a sensor arrangement (1) for a vehicle, in particular for determining a rotational speed and / or a direction of rotation, wherein a sensor element (11) and a connection cable (16) are at least partially encased with plastic by means of injection moulding in order to form a sensor housing (10), and wherein the sensor housing (10) is connected to a fastening tab (30) which comprises a base body (32) having fastening means (38), and to a corresponding method for producing such a sensor arrangement (1). According to the invention, the fastening tab (30) comprises an insertion sleeve (34) which is connected to the base body (32) and into which a sensor housing body (12) of the sensor housing (10) is inserted, wherein the sensor housing (10) and the insertion sleeve (34) each comprise fixing means which are designed in such a manner that there are different angular positions for fixing the sensor housing (10) and the fastening tab (30), wherein the sensor housing (10) and the fastening tab (30) are fixed in one of the different angular positions with respect to one another.

The invention discloses a detection head for carrying out airtight detection between a valve and a valve seat of an engine. The detection head is characterized in that the detection head is provided with a guide rod (1); the guide rod (1) is connected with a measuring conical surface (2); the edge of the measuring conical surface (2) is provided with an annular nozzle (3); the measuring conical surface (2) is connected with a detection head body (4); the inside of the detection head body (4) is provided with an air circuit (7); the air circuit (7) is connected with an air pipe (5) through a joint; the annular nozzle (3) is communicated with the air pipe (5) through the air circuit (7); and the detection head body (4) is connected with a handle (6). The detection head has simple, convenient and rapid operation, high detection efficiency and high precision.

The invention relates to a sorting device for a solar battery pack. The sorting device consists of a transferring component, an electric control component and seven sorting components, wherein the sorting components are arranged side by side; and the transferring component and the electric control component are arranged on the side of one sorting component. Compared with the prior art, the sorting device has small movement range, and is stable in carrying and transportation, quick in movement, high in compatibility and applicable to components of different specifications, the equipment utilization rate is improved, relative friction during sorting and transportation is avoided and orientation performance is high; the border edges of the components are free of rubber marks, so the fragmentrate of the sorting device is controlled to be zero, the automatic integration degree of a production line is increased and the preparation for automatic package is made; furthermore, the production efficiency is improved and the labor cost is saved.

A grouped drilling and pile implanting construction method comprises the following steps of (1) making preparations before construction; (2) installing two groups of power head assemblies; (3) drilling for cutting by the first group of power head assembly and drill pipes, a spiral drill pipe and a drilling tool thereof; (4) drilling for cutting by the second group of power head assembly and drillpipes thereof, the spiral drill pipe and the drilling tool; (5) performing guniting and stirring operation by the second group of power head assembly and the drill pipes thereof, the spiral drill pipeand the drilling tool; (6) lifting and detaching the drill pipes and the drilling tool; and (7) implanting precast piles. According to the grouped drilling and pile implanting construction method, the two groups of power head assemblies arranged on long guide rails of a column of a walking pile frame can perform drilling and tunneling, stirring and chambering operations in sequence, so that the surface flatness of pore walls is increased; and through horizontal shifting fine adjustment of the walking pile frame, the drill pipes fixedly arranged on the two groups of power head assemblies are accurately butted, so that frequent butting and detachment between the drill pipes and between the drill pipes and the drilling tool are avoided, the operation strength of an operator is reduced, the operation efficiency of drilling and pile implanting is increased, pile implanting construction quality is effectively guaranteed, and the equipment procurement cost is greatly reduced.

A wide-range horizontal mini-tiller for avoiding middle tillage omission by adopting a guide wheel matched lift-throwing type plow with a blade protecting disc adopts combination of a guide wheel (p9) and the lift-throwing type plow (p104) and serves as a novel tool applying front guide wheel matched plow to avoid middle tillage omission. Various safety measures are provided. By using a safe follow-up upper protective plate, a safe follow-up rear protective plate and left and right safe protective frames, the mud sticking amount is decreased, entangled grass is cut off, the work efficiency is improved, the mini-tiller is safe and up to the standard, and observation is facilitated. A safe resistance fork wheel does not easily incline and is easy to guide, movable protective plates are provided with detachable plates, and the transportation cost can be reduced. The mini-tiller is proved with a reverse gear and facilitates usage of an operator on the cultivated land edge, a handle is provided with an anti-misoperation device, the handle height is adjustable at high level, middle level and low level, a horizontal angle of the handle is adjustable at five levels, the height of a mud blocking rod is adjustable in vertical four levels, and rotary blades have overlapping phase difference and end teeth and facilitates sharpening of sawtooth blades. The safety is further improved by using the outer protective disc. In addition, due to the fact that the outer protective disc is a function wave protective disc and bounces when being pressed to deform, the mini-tiller has the effects of wide-range vibration reduction, vitality enhancing and multiple-point balancing. The guide wheel matched lift-throwing type plow provided with the blade protecting disc has the effect of avoiding the tillage omission.

The invention discloses an integral advancing scraping and rolling compound cutter for flexibly boring, scraping and rolling. A scraping head, a boring head and a rolling head are integrated, and scraping and rolling processing are performed during advancing. The integral advancing scraping and rolling compound cutter is simple in overall structure, is convenient to manufacture, and is low in cost; high-accuracy size and shape control and good guidance can be realized, scraping becomes smoother, and wave marks and errors on a processing surface of an inner hole in a previous procedure can be eliminated, so that a completed surface becomes smoother, and a better surface profile is formed; and moreover, a plurality of processing procedures are completed continuously, so that processing time is saved.

The invention discloses a manufacturing method of a composite material of doped aligned carbon nanotubes, and belongs to the field of nanocomposite manufacturing. The formula includes the carbon nanotubes and a base material. The method includes the steps that 1, gas-phase dispersion carbon nanotube airflow is made to pass through a high-voltage cathode metal net in an air channel and enter a uniform electric field; 2, the carbon nanotube airflow falls into a receiving tray perpendicular to the electric field; 3, the atomized base material is driven by the airflow to fall into the receiving tray from a base material air channel; 4, in the working process, the receiving tray rotates at a constant speed in the fixed direction and receives oriented carbon nanotube particles and oriented base material particles from the two air channels respectively; 5, manufacturing of the composite material of the doped aligned carbon nanotubes can be completed after the mixture in the receiving tray accumulates to a needed thickness. The manufacturing method of the composite material of the doped aligned carbon nanotubes is high in alignment degree and can achieve any thickness.

The invention relates to an improved wide-width horizontal type mini-tiller which has various safety measures. A safety following upper guard plate, a safety following rear guard plate and left and right safety guard frames are used, slime is reduced, winding grass is cut off, working efficiency is improved, and the mini-tiller is safer, up to standard and convenient to observe, a safety resistance fork wheel is not easy to incline and easy to guide, and transportation cost can be lowered by a movable guard plate or a detachable plate. The mini-tiller has a reverse gear and is convenient for an operator to use on farmland edges, a handle is provided with an anti-misoperation device, a handrail has three gears for adjusting height and has five gears for adjusting angles left and right, and a mud-blocking rod has four gears for adjusting height. Rotary blades have a mutually overlapping phase difference, have end teeth favorable for the sharpness of a sawtooth blade, and have an external guard plate assembly, and accordingly safety is further improved. Two external guard plates are function wave external guard plates, so safety protection function is achieved, and furthermore, due to the function wave external guard plates, the mini-tiller is pressed and deforms and then bounce back, and has functions of wide-width vibration reduction, increased vitality and multipoint balancing.

The invention discloses a high-stability rolling machining device for explosion-proof aluminum foil and a using method thereof. The device comprises a support, a first pinch roll is rotationally arranged on the front surface of the support through a first bearing pedestal, a cross beam block is arranged at the top end of the support, and a second pinch roll is rotationally connected to the lower surface of the cross beam block through a bearing pedestal and a bearing; and the second pinch roll and the first pinch roll are located on the same plane, a mounting plate is fixed to the lower end ofthe front surface of the support, and a fixing block is arranged on the front surface of the mounting plate. By arranging a limiting roller, a movable block, a fixed block, a limiting block, a secondball, a connecting rod and a heat dissipation hole, it is convenient to prevent an aluminum foil material from deviating and inclining leftwards and rightwards when the aluminum foil material is pinched, and the pinching effect is improved conveniently; and through an air guide block, a connection thread pipe and an air guide pipe, poor cooling effect on the surfaces of the second pinch roll andthe first pinch roll and larger thermal fatigue damage to the surfaces of the second pinch roll and the first pinch roll are avoided.

The present invention relates to an electrical connection arrangement, particularly for an ignition coil, comprising an enamelled wire (3) enclosed in an insulating varnish, a contact element (4), and an electrical connecting wire (7), wherein the enamelled wire (3) and the connecting wire (7) make electrical contact with the contact element (4) and the contact element (4) has at least a first recess (11) and a second recess (12), which form a necked area (14) between themselves around which the enamelled wire (3) is wound, wherein an alignment of the enamelled wire (3) is on a base region (41, 42) of the first and the second recess (11, 12) parallel to an alignment of the connecting wire (7) on the contact element (4).

The invention discloses a preparation method of a stable aligned carbon nanotube-reinforced composite material. The method is characterized by specifically comprising the following steps: (1) pretreatment of a carbon nanotube; (2) magnetic treatment; (3) preparation of aluminum coated powder; (4) preparation of reinforced carbon nanotube; and (5) preparation of the composite material. The carbon nanotube is firstly pretreated, and the prepared acidified carbon nanotube contains hydroxyl and carboxyl, so that the reaction activity of the carbon nanotube is greatly increased; the orientation degree of the carbon nanotube after magnetic treatment is good, so that obtaining of the doped aligned carbon nanotube composite material with any thickness by extrusion in the later period is facilitated; an ultrasonic dispersion technology is adopted by preparation of the aluminum coated powder, so that the agglomeration phenomenon is reduced, and the dispersity and the stability of the aluminum coated powder are improved; the tensile strength of the composite material of the carbon nanotube obtained by thermal extrusion is 43MPa, and the compression strength is 125MPa.

Disclosed is a wide horizontal mini-tiller. Various safety measures are provided, and safety follow-up upper guard boards, safety follow-up rear guard boards and left and right safety guard frames are used, so that slime is reduced, winding grasses are cut off, the work efficiency is improved, and the mini-tiller is safe and up to standards and convenient to observe, a safety resistance fork and wheel assembly is not prone to inclination and can perform guiding easily, and by the aid of the movable guard boards or detachable boards, transportation costs can be reduced; the mini-tiller is provided with a reverse gear, so that usage of the mini-tiller by an operator at the tilling land edge is facilitated; an anti-misoperation unit is arranged on a handle, top and low three adjustable gears are arranged at the handrail height, five adjustable gears are arranged at the left-right angle of a handrail, and top and low four adjustable gears are arranged at the height of a slime-resistant rod; overlapping phase differences are formed among rotary blades, and end teeth are arranged on the rotary blades, so that saw-tooth blades are sharp.

The invention relates to a valve sealing structure, and provides the valve sealing structure, a valve body and a low-pressure valve using the sealing structure. The valve sealing structure comprises avalve body and a valve element; the valve element is provided with a rubber pad; the valve body is provided with a valve base; the valve base is provided with a sealing fit surface for forming a sealing pair with the rubber pad; an outermost layer of the sealing fit surface is a plastic spraying coating layer; and the plastic spraying coating layer is formed by sprayed Teflon. The outermost layerof the sealing fit surface, forming the sealing pair with the rubber pad, of the valve base is the plastic spraying coating layer; the plastic spraying coating layer is formed by the sprayed Teflon;as Teflon is excellent in non-adhesive performance, the influence on primary opening pressure by attachment of rubber on the sealing fit surface can be prevented; and the valve element adopts an existing valve element without needing special treatment, so that maintenance and replacement are convenient, and the generality is excellent.

The invention provides a welding method of a nuclear power steam generator. A tube and a tube plate of the nuclear power steam generator are welded through laser welding and the depth-width ratio of awelding seam is large; the fusion depth can be remarkably improved and defect that the root of the welding seam is not fused is effectively eliminated. Compared with traditional tungsten argon arc welding, the local fusion depth of a gap between the tube and the tube plate is improved by 2 times or more in a laser welding process; meanwhile, the welding efficiency is improved by 5 times or more.

An integrated protection system for roadside safety and noise has the advantages of preventing anout-of-controlledvehiclefrom running out the road, providing a good guide for the out-of-controlledvehicle and preventing the runaway of the out-of-controlledvehicle, reducing the degree of casualty in traffic accidents and blocking the spread of traffic noise on the road and reducing the acoustic environment pollution to a roadside residential area. The integrated protection system for roadside safety and noise is characterized in that a concrete fence on the roadsideis included; and a noise reduction device is arranged on the top of the concrete fence; the inner side of the lower part of the noise reduction device, facing the road, is provided with a guide beam.

The invention discloses an assistant of a tire mounting / demounting machine. A main arm of the assistant is hinged to a sliding body with a V-shaped guide structure; driven by an actuator, the sliding body longitudinally slides along a square guide rail; the sliding body mainly consists of a front half body, anti-friction sheets and a rear half body; two lateral sides of the sliding body are balanced in stress and good in guiding performance, so that the problem that in the prior art, lateral sides are bad in guiding performance is solved. A main-arm locking mechanism with an external unlocking air cylinder is arranged on the main arm, and the external inching unlocking air cylinder is arranged on the main arm; the unlocking air cylinder is large in cylinder diameter and quick to unlock, the assembling ability is improved, and the unlocking air cylinder is convenient to maintain and long in service life. Quick-changing tire pressing sleeves are respectively arranged under two branch arms hinged to the main arm, so that the assistant can be quickly adapted to the change of tire types during maintenance.

The invention relates to a shift securing device for a multi-speed manual gearbox which can be shifted by means of a gearshift shaft (14), which is disposed axially parallel to the transmission shafts (2, 3, 5) and is mounted so as to be axially movable and rotatable about the longitudinal axis (15) thereof and which can be selectively coupled by means of a respective associated shift finger (16, 17, 18, 19) to at least one shift fork (7, 9) guided on gearshift rod (6, 8) and / or to a shift crank (11, 13). Said shift securing device comprises a locking body (26), which is axially latched rigidly to the housing and can be rotated with the gearshift shaft (14) and on which locking elements (42, 43, 44, 45) are disposed for positive latching of the non-coupled shift forks (7, 9) and / or shift cranks (11, 13). In the shift securing device according to the invention, the locking body (26) is designed as a box frame (27) having at least two transverse supports (28, 29) and two longitudinal supports (30, 31), said frame comprising a bearing bore (32, 33) disposed in each of the transverse supports (28, 29), the gearshift shaft (14) being received in an axially movable manner in said bearing bores. Said box frame is connected non-rotatably to the gearshift shaft (14) by means of a driver (18) positively engaging peripherally with one of the longitudinal supports (30) and said box frame is axially latched rigidly to the housing by means of an axial bearing (36) disposed on one of the transverse supports (28).

The invention discloses an electric car coupler pushing device, car couplers and a working method of the electric car coupler pushing device. The electric car coupler pushing device comprises push trigger mechanisms, and one end of each push trigger mechanism extends towards the opposite car coupler; when car couplers are automatically coupled, the car couplers on the opposite side can push the push trigger mechanisms to move synchronously; the device further comprises a pushing mechanism which is arranged on an electrical car coupler, and a transmission mechanism, one end of the transmission mechanism is connected with the push trigger mechanisms, and the other end of the transmission mechanism is connected with the pushing mechanism. When the car couplers are automatically coupled, the push trigger mechanisms drive the transmission mechanism to move under the pushing action of the car couplers on the opposite side, and the transmission mechanism pushes the pushing mechanism to push out the electrical car coupler. The technical problem that in the prior art, an automatic coupling car coupler with the short guiding length cannot achieve accurate coupling of the electrical car coupler through mechanical driving is solved.

The invention discloses a combined drilling bottom-enlarging pile-planting construction method. The combined drilling bottom-enlarging pile-planting construction method comprises the following steps:1) preparing before construction; 2) installing two groups of power head assemblies; 3) carrying out drilling cutting by the power head assemblies as well as drill rods, spiral drill rods and drill tools thereof; 4) rotating multi-section drill rods at the left sides of vertical columns to the left and connecting the multi-section drill rods with the power head assemblies and the lower-end drill rods; 5) continuing to carry out drilling cutting by the power head assemblies, the drill rods, the spiral drill rods and the drill tools; 6) carrying out bottom-enlarging working by the power head assemblies; 7) carrying out guniting and stirring working by the power head assemblies, the drill rods, the spiral drill rods and the drill tools; 8) lifting and detaching the drill rods and the drill tools; and 9) planting a precast pile. According to the combined drilling bottom-enlarging pile-planting construction method, accurate butting locking among the drill rods which are fixedly installed atthe lower ends of the power head assemblies is ensured through the rotation of the vertical columns, drilling and tunneling, stirring and reaming working are realized, the surface smoothness of the hole wall of the formed hole is improved, and frequent butting and detachment among the drill rods, and between the drill rods and the drill tools are avoided, so that the working intensity of operating personnel is reduced, the drilling pile-planting working efficiency is increased, the pile-planting construction quality is effectively ensured, and the purchase cost for equipment is lowered.

The invention discloses a tibial plateau prosthesis extractor, which includes a forceps head, a handle, a push rod, a guide rod and a scraper knife. The forceps head includes two forceps arms which are symmetrically arranged in a crossed manner; the crossed part of the two forceps arms is hinged; one end of each clamp arm is provided with a clamping part and the other end is provided with a connecting part; a guide groove is formed in one side of the forceps head, and the guide groove is formed close to the connecting part; the handle comprises two handle bodies, and one end of each handle body is connected with the two connecting parts respectively; two ends of the push rod are respectively supported on the two handle bodies; the guide rod is perpendicular to the push rod, and one end ofthe guide rod is rotationally connected with the push rod; one end of the scraper knife is rotationally connected with the other end of the guide rod, and the other end of the scraper knife is provided with a cutting edge; the scraper knife can movably penetrate through the guide groove, and the cutting edge end of the scraper knife extends to the crossed part of the two forceps arms; the two handle bodies are close to each other or far away from each other to drive clamping parts to be closed or opened; the handles can rotate relative to the forceps heads to push the cutting edge end to be close to or away from the clamping parts.

The invention discloses a directional arranged electrostatic spinning fiber preparation apparatus which comprises a solution control system and a spinning reception system, wherein the solution control system comprises a metallic needle head, a propulsion device for controlling the flow velocity of spinning solution in the metallic needle head and an electrostatic generating device for controlling the electrostatic voltage on the metallic needle head, and the spinning reception system comprises a rotating disc receiver and a drive unit for driving the rotating disc receiver to rotate. The rotating disc receiver is cylindrical, the side surface is wrapped by a reception layer for receiving electrostatic spinning material, and the axial direction of the metallic needle head is parallel to the axial direction of the rotating disc receiver. The metallic needle head is arranged in a curved surface, where the side surface of the rotating disc receiver is located, and a gap is arranged between the metallic needle head and the bottom close to the rotating disc receiver. The method disclosed in the invention controls and regulates the orientation degree of electrostatic spinning fibers by controlling DC voltage, the flow velocity of polymer solution, the distances between the metallic needle head and the rotating disc receiver, the rotating speed of the rotating disc receiver and the diameter of the rotating disc receiver. The operation performance is good.

The object of the present invention is to provide an alignment method that prevents the flexible printed circuit board from being caught on the guide pins used for alignment when the alignment is performed in the flexible printed circuit board processing step, and the guide pins used in the method. pin. The alignment method is a method of inserting a guide pin through a guide hole of a flexible printed circuit board so as to align the flexible printed circuit board at a specified position. The guide pin (1) formed by the above method is used to align the flexible printed circuit board (3). The guide pins are guide pins used in this alignment method.

The invention discloses a method for extruding a frozen camphene / silicon nitride body to prepare oriented porous silicon nitride ceramic. The preparation method comprises the steps that firstly, solid powder obtained by mixing a sintering additive and silicon nitride powder and a certain amount of molten camphene dissolved with an organic addition agent are mixed to obtain uniform systematic slurry; secondly, the uniform systematic slurry is subjected to oriented freezing to obtain the frozen body, the obtained frozen body is subjected to heat treatment and then is extruded at certain rate, and then vacuum drying is performed to obtain a green body of the highly-oriented porous silicon nitride ceramic; sintering is performed in the nitrogen protection atmosphere to obtain the oriented porous silicon nitride ceramic after heating and glue discharging. The preparation method has the advantages that a preparation process is simple, the orientation degree of a prepared sample is high, porosity is high and the quality of the ceramic is easy to control.

The present invention relates to a composition for forming a dye polarizer and the dye polarizer, wherein the composition allows a dye polarizer simultaneously exhibiting excellent polarizability, heat-resistance, and dichroic ratio to be provided. The composition for forming dye polarizer includes: a solid-type anisotropic dye having a particular chemical structure; and an orientation aid having a certain chemical structure.