75results about How to "Ingenious principle" patented technology

The invention relates to an automatic sun tracking method and device, the method adopted is similar to the working principle of a sundial and comprises the following steps of: vertically arranging a pointer in the centre of a disk, using the shadow projected by sun to measure the position of sun, namely, detecting the position and direction of the shadow on the disk, and enabling the disk to rotate towards a direction opposite to the shadow to make the shadow finally disappear on the disk when the pointer points to the sun and the disk faces the sun. By the simple method, the sun can be automatically tracked. Moreover, an automatic sun tracking device is provided based on the method, wherein an upper, a lower, a left and a right solar panels are arranged at the front face of the disk; since the projected shadow may cause a voltage difference between two panels in bilateral symmetry or in longitudinal symmetry, once the state is detected by a detector, the orientation of a tracker is adjusted to make the shadow on the disk disappear, and at the same time, the symmetrical panels have no voltage difference, a motor stops rotation, and the disk faces sun; and thus, sun tracking is realized. The sun tracking device is simple in principle, skillful in structure, completely unmanned, high in tracking precision, and can be widely used in the development and the utilization of solar energy.

The invention discloses a method and device for flexibly spreading metal powder for selective laser melting additive manufacturing. When a plurality of powder spreading teeth with lower ends being leveled to one another move on a powder spreading plane, the metal powder is flatly laid by the powder spreading teeth, and when the powder spreading process encounters a hard projection, the powder spreading teeth can be automatically, reasonably and stably adjusted by virtue of gravity and magnetic force. The device for flexibly spreading the metal powder and realizing the method comprises a fixed box as well as a magnetic absorption plate, a powder spreading tooth unit and a return pressure block, which are arranged in the fixed box, the magnetic absorption plate is fixed in the fixed box, powder spreading teeth units are adsorbed on the magnetic absorption plate by virtue of the magnetic force, and the return pressure block is carried by the powder spreading teeth units. The method is ingenious in principle and convenient and easy to implement; the device has the advantages of simple structure, long service life, less powder spreading trace, precision for avoiding barriers and the like.

The invention discloses an automatic dosing machine with the mobile receiving function. The automatic dosing machine comprises a storing container, a receiving container, a sliding component, a control component and a rack. The storing container is installed on the rack, and a discharging outlet of the storing container is located above the receiving container. The receiving container is placed on the sliding component. The sliding component is installed on the rack. The control component is installed on the rack and respectively connected with a storing container control mechanism and a sliding component control mechanism. The storing container control mechanism receives a control instruction of the control component, and dosing materials stored in the storing container are sent out; the sliding component control mechanism receives a control instruction of the control component, and drives the receiving container arranged on the sliding component to move to the position below the storing container. The receiving container receives dosing materials discharged by the storing container. The automatic dosing machine has the automatic dosing material discharging and mobile receiving functions, and is simple in structure, low in cost and convenient to clean.

The invention discloses a grinding wheel dressing method and device for machining bearing inner ring raceway crowning. The technical scheme of the grinding wheel dressing method for machining bearing inner ring raceway crowning comprises leading a grinding wheel to be subjected to revolution of plane in Y-axis and Z-axis spaces and enabling a generatrix of an excircle of the grinding wheel to be parallel with an X-axis space. The grinding wheel dressing method for machining bearing inner ring raceway crowning is characterized by swinging a diamond pen in the Y-axis space in a reciprocating mode to perform circular motion and dressing the excircle of the grinding wheel through the diamond pen during movement to form a new concave excircle hyperbola generatrix. The grinding wheel dressing method for machining bearing inner ring raceway crowning has the advantages of being ingenious in principal due to the fact that dressing is performed through tangency of the arc track of the diamond pen and the arc of the excircle of the grinding wheel; being novel in movement due to the fact that microscopic and microscale (micron grade) modeling can be achieved through large movement (mm grade) easy to observe and achieve; being simple in structure due to omission of mechanisms such as variable amplitude and dragging plates; being highly reliable due to the fact that a worm and gear assembly can be the whole dressing mechanical structure, and being mature in technology, reliable, durable and the like.

The invention discloses an electronic lock capable of detecting the rotating direction of a lock cylinder and a working method for the electronic lock. The electronic lock mainly comprises a lock body and the lock cylinder, wherein a rotating shaft of the lock cylinder is fixedly provided with at least one convex key; at least one position sensor is arranged at a position, corresponding to the convex key, of the lock body; a rocker arm is arranged close to the position sensor on the lock body, and points to the direction of the rotating shaft of the lock cylinder, and the rocker arm is pushed by the convex key when the rotating shaft of the lock cylinder is rotated so as to swing to two sides and trigger the position sensor. According to the electronic lock disclosed by the invention, the rotating direction of the lock cylinder is detected by matching the convex key, the position sensor and the rocker arm, the unlocking or locking state of the lock cylinder is judged based on the structure, and the electronic lock has the advantages of simple structure, low cost, flexible implementation method, high reliability and the like.

The invention discloses a liquid additive putting device. The liquid additive putting device comprises an additive storage box, a water supply cavity and an additive cavity, wherein the additive storage box is used for storing a liquid additive; the water supply cavity is provided with a water inlet and a water inlet pipe communicated with a mixing cylinder, the water supply cavity is internally provided with a blade wheel, the blade wheel is driven by entered water of the water inlet, and the water inlet is provided with an on-off valve; the additive cavity is provided with a liquid suction pipe and a branch pipe communicated with the water inlet pipe, the liquid suction pipe extends to the lower portion of the liquid level of the liquid additive in the additive storage box, the additivecavity is internally provided with a gear pump, the gear pump is driven by a rotating shaft of the blade wheel, and the branch pipe is provided with a flow controller. The invention further disclosesa liquid additive putting method. The entered water drives the blade wheel to drive the gear pump to rotate to provide power for extracting the additive, an additional negative pressure source is notneeded, and the putting amount is accurately controlled.

The invention discloses a device for monitoring soil plug lifting height of a prestressed pipe pile in hydrostatic process. The device comprises a measure instrument, a fixed disc, a multiturn potentiometer, a synchronous wheel, a synchronous belt, a first counterweight and a second counterweight. The fixed disc is provided with fixing legs, the multiturn potentiometer is fixed on the fixed disc, the synchronous wheel is inlayed on the multiturn potentiometer, the synchronous belt is twined on the synchronous wheel, the first counterweight and the second counterweight are respectively arranged at the two ends of the synchronous belt, the weight of the first counterweight is greater than the weight of the second counterweight, and the measure instrument is connected with the multiturn potentiometer. By the device, the change of the soil plug lifting height of the prestressed pipe pile in the hydrostatic process can be accurately monitored in real time. The device is simple in structure and clever in design, low in production cost, and high in data reliability.

The invention discloses a locating fixture for cathode plates of an ultraviolet photoelectric tube. The locating fixture for the cathode plates of the ultraviolet photoelectric tube comprises a locating sleeve barrel, a locating block, a first slide block, a second slide block, a pull rod and a fixed plate, after the locating block is put in the first slide block and second slide block, one end of a distance piece is inserted in the sleeve barrel body of the locating sleeve barrel and extends towards the outside, the pull rod is inserted in the sleeve barrel body of the locating sleeve barrel through a thread head and is in thread connection with a thread hole of the locating block, and a spring sleeves the outer side of the part of the pull rod inserted in the sleeve barrel body. The locating fixture for the cathode plates of the ultraviolet photoelectric tube is simple in structure, smart in principle and convenient to use and operate; when using, two cathode plates are respectively inserted in the clearance between the distance piece and the first slide block and the clearance between the distance piece and the second slide block, the pull rod pushes the locating block to move towards the outer side by the aid of the spring, the first slide block and second slide block press the distance piece by means of the inclines and sleeve barrel body with taper so that the cathode plates in the clearances are compressed, the cathode plates are located precisely, incapable of sliding and capable of keeping effective clearances, and the produced product is qualified.

The invention provides a method for disposing high-concentration ammonium sulfate waste water, which orderly includes steps of (1), adjusting water quality and water amount in an adjusting pond; (2),fully mixing and reacting with absolute ethyl alcohol in a reaction pond; (3), adjusting water amount in a middle pond; (4), separating solid from fluid by a centrifugal machine; (5), recycling the solid which is separated from the centrifugal machine and is high-purity ammonium sulfate; (6), separating pure ethanol by an ethanol and water separating device and recycling it to the reaction pond, wherein the fluid separated by the centrifugal machine is mixed fluid of ethanol water, and residual ammonium sulfate. By using the property that the ammonium sulfate is easy to dissolve in water but ethanol under the room temperature and constant pressure, the ammonium sulfate waste water is reacted with absolute ethyl alcohol, thus ammonium sulfate in the ammonium sulfate waste is separated out;the recycle rate is over 92%; the absolute ethyl alcohol can be recycled, and the using cost is reduced; compared with the prior art, the method is more energy-saving and realizes the resource utilization.

The invention discloses an automobile wireless charging position detecting device and a detecting method thereof. The position detecting device is provided with four induction regions, and each induction region is provided with an induction coil; the two induction coils in the two induction regions arranged at any opposite angles are opposite in winding direction, the two induction coils are connected in series to form a coil set and then electrically connected with a voltage detecting device for detecting positive and negative poles of voltage, and the voltage detecting device is connected with a master control system. The detecting method on the basis of the device comprises the steps that after an automobile stops stably, the voltage detecting device detects voltage generated by each pair of coil set, and the master control system judges the deviation direction between a transmitting end and a receiving end according to the voltage generated by each pair of coil set. According to the automobile wireless charging position detecting device and the detecting method thereof, on the basis of the electromagnetic induction phenomenon, the four induction coils are adopted, the relativedeviation direction between the transmitting end and the receiving end is judged by detecting the voltage generated by the series circuit of the angular induction coils, and the device has the advantages of being simple in structure, low in cost and high in detection precision.

The invention relates to a wire end fixing method and a device of a wire winding spool. The device comprises a chain transmission mechanism driven by a stepper motor, multiple spring clips fixed on one side of a conveying chain and regularly arranged, spring clip stoppers and steel piece slide ways fixedly mounted, inclined angle-adjustable spool slide ways and the like. Self-wound steel piece with a certain specification are clamped on the spring clips; and when a wire winding machine begins to wind wires, chain wheels rotate to drive the conveying chain and the spring clips to move, so that movable clamping pieces of the spring clips touch the spring clip stoppers to be opened, then, the self-wound steel pieces downwards slide to an appointed position for fixation along the steel piece slide ways to finish rolling down of the wire winding spool along the spool slide ways, a certain shock is given to the self-wound steel pieces to generate self winding to wrap wire ends on the spool, and coil wire heads are fixed. The device has the characteristics of simple structure, easiness in control and excellent wire end fixing effect.

The invention provides a discharge door mechanism. The discharge door mechanism comprises a driving butt joint part and a baffle door, wherein the baffle door is provided with a baffle door butt joint part; a stirring part is arranged on the driving butt joint part, and a first stirring table part and a second stirring table part are arranged on the baffle door; when the baffle door opens or closes a discharge port, the driving butt joint part drives the stirring part to move, and the stirring part stirs the first stirring table part, so that the driving butt joint part is in driving butt joint with the baffle door butt joint part; the driving butt joint part drives the baffle door to reach a predetermined position from an initial position, and the driving butt joint part is separated from the baffle door butt joint part. In the initial position, the stirring part can stir the first stirring table part; in the predetermined position, the driving butt joint part drives the stirring part to move continuously, and the stirring part moves to a reset position from a limit position when bypassing the second stirring table part and returns to the limit position from the reset position after completely bypassing the second stirring table part. The invention further provides a solid material box which comprises the discharge door mechanism. According to the discharge door mechanism, the baffle door butt joint part and the driving butt joint part are changed from a separation state to a butt joint state, the opening or closing of the discharge port is realized, the sealing performance is good, the structure is simple, and the stability and reliability are high.

The invention discloses a milling device for flour processing. The milling device comprises a coarse milling box, wherein a sieve basket is arranged above the coarse milling box, a fine milling box isarranged below the right side of the coarse milling box, a sieve bucket is mounted in the sieve basket, a motor is mounted above the right side of the sieve basket, a collecting pipe is arranged at the bottom of the side wall of the sieve basket, a plurality of guide plates, a plurality of coarse crushing rollers and a plurality of vibrating screens are arranged inside the coarse milling box, a fine flour recovery pipe is arranged at the lower end of the coarse milling box, a filter sieve, a plurality of guide plates, a plurality of fine crushing rollers and a plurality of vibrating sieves are arranged inside the fine milling box, a large collecting bucket and a plurality of small collecting buckets are arranged outside the box wall of the fine milling box, a bran collecting pipe is connected to the lower ends of the large collecting bucket and the small collecting buckets, and the lower end of the fine milling box communicates with the fine flour recovery pipe. The milling device forflour processing is simple in structure and ingenious in principle, and effectively improves the flour quality and the production efficiency.

The invention discloses a remotely-controlled waterproof underground lamp with an external angle adjustment function. The remotely-controlled waterproof underground lamp comprises a remote controller, a lamp body, a surface cover, a light-transmitting plate and a light source assembly, wherein a fixed support is installed on a bottom plate of the lamp body; a motor and a control circuit board are fixedly installed on the fixed support; a swing plate is arranged above the fixed support; the light source assembly is fixed on the swing plate; a first connection sheet and a second connection sheet used for mutual hinging are arranged at the left side and the right side of each of the fixed support and the swing plate respectively; an eccentric wheel is installed at a movable end of the motor; and the eccentric wheel is connected with the front side of the swing plate through a transmission bar. The remotely-controlled waterproof underground lamp disclosed by the invention is simple in composition, ingenious in principle, and convenient to control; the remote controller is capable of realizing one-key control only through arranging a key for controlling start-stop of the motor, and convenient and simple to operate; and damage to the whole waterproof structure of the lamp can be avoided in a wireless manner, and the overall waterproof performance can be ensured.

The invention discloses an automatic adjustment oil conveying pipeline support capable of adapting to sedimentation. The automatic adjustment oil conveying pipeline support capable of adapting to sedimentation comprises a supporting seat (1), a balance plate (2), connecting rods (3), a sliding plate (4), connecting columns (5) and supporting columns (6). The number of the supporting columns (6) is four, and the supporting columns (6) comprise the first supporting column (61), the second supporting column (62), the third supporting column (63) and the fourth supporting column (64). The number of the connecting columns (5) is six, and the connecting columns (5) comprise the first connecting column (51), the second connecting column (52), the third connecting column (53), the fourth connecting column (54), the fifth connecting column (55) and the sixth connecting column (56). The automatic adjustment oil conveying pipeline support capable of adapting to sedimentation is stable in supporting structure, a platform can be automatically adjusted to be horizontal, automatic adjustment is achieved, and the support can adapt to multiple different conditions.

The invention relates to agricultural machine, a cutting slip stripped machine particularly, which comprises a traveling frame, stripped mechanism provided on the traveling frame, a transmission gear and a stripped cover. More particularly, the stripped device has a rotating shaft, which is provided with at least a row of strip-shaped comb teeth extending outward with the space among the teeth of 2.5mm to 6 mm. The invention resolves the large numbers of spike breakages and damages as well as the necessary of secondary threshing of the existing threshing machine, which is applicable for harvesting crops with spikes as paddy and wheat, etc. The invention can be applied both for large field and small field in south China.

The invention discloses a method for preparing an aluminate nanowire array. According to the preparation process, column-wise and limitation effects of ducts of anodic alumina templates are adopted, and more importantly, the anodic alumina templates are used as a reactant. The method comprises the steps of by adopting the anodic alumina templates with proper parameters and bi-pass structures, firstly heating to melt metal nitrate with an oxide with relatively strong diffusivity into fluid, injecting the fluid into the nano-scale ducts of the anodic alumina templates by virtue of a capillary action, heating to decompose the fluid into metal oxide, finally carrying out annealing at a high temperature for a certain time to generate solid-phase diffusion reaction between the metal oxide in the ducts and the templates, cooling, removing un-reacted templates, and obtaining the one-dimensional aluminate nanowire array by virtue of the column-wise effect of the ducts of the templates. The method has multiple advantages that the principle is skillful; the preparation quantity is large, the speed is high; the raw materials are simple, and the equipment requirements are not high; and the operation is simple, the preparation process is safe, and the like.

The invention relates to a water flow type notebook heat sink, which is composed of a heat sink box 3, heat sink fins 2 and supporting legs 4. The heat sink fins 2 are arranged on the upper surface ofthe heat sink box 3, and the heat sink fins 2 are made of a material with strong heat transfer and heat absorption capacity. The inside of the heat sink box 3 is empty; a water hole is formed in onecorner of the upper surface of the heat sink box 3; the water hole is provided with a sliding cover 1; a water outlet valve 5 is arranged at the bottom end of the heat sink box 3; and the supporting legs 4 are arranged at four corners of the bottom end of the heat sink box 3. The water flow type notebook heat sink utilizes the property of water to dissipate heat for a notebook, the principle is simple and ingenious, the heat dissipation effect is much better than that of an ordinary heat sink, the notebook can still run freely under the high frequency, the cost is low, the electric energy is not consumed, and the requirement of a user can be well met.

The invention discloses a medical tongue depressor. The medical tongue depressor is characterized by comprising a double-layered pressing plate, a handle-shaped housing, film pipe sleeve components, an unwinding axle and a winding axle, wherein the double-layered pressing plate is provided with an upper side plate and a lower side plate which are connected through a U-shaped elbow; the tail end of the double-layered pressing plate extends into the inner chamber of the handle-shaped housing; the film pipe sleeve components comprise a film pipe sleeve arranged on an unwinding wheel and wound into a coil, the free end of the film pipe sleeve sleeves the double-layered pressing plate, and the film pipe sleeve is finally wound on a winding wheel; and the unwinding axle is used for supporting the unwinding wheel; the winding axle is connected with a handwheel and used for supporting and driving a winding wheel. The medical tongue depressor draws the advantages of low use cost, no use of disinfection, cleanliness, sanitariness, no cross infection, material waste reduction and the like into consideration, and also has a simple and easy-to-implement structure; and as an entire coil of brand-new film pipe sleeve can meet the demand for repeated examination and application, and is relatively convenient to exchange, much convenience is brought for doctors during clinical operation.

The invention discloses a lamp capable of adjusting light spots in an orienteering manner. The lamp comprises a lamp body comprising a light source, an optical element and a fixing barrel, the fixingbarrel right faces the light source, the optical element comprises a lens, a first polarizer and a second polarizer, the first polarizer and the second polarizer are each of a micro-lens array structure, a limiting part is arranged at the end, far away from the light source, on the fixing barrel, the lens is arranged in the fixing barrel and is limited by the limiting part, two pairs of snap joints different in heights are arranged on the outer side of the limiting part, the first polarizer and the second polarizer can be rotationally embedded into the two pairs of snap joints, and the lens, the first polarizer and the second polarizer are sequentially arranged in front of the light source. A light spot adjusting method is disclosed. By means of the lamp capable of adjusting light spots inthe orienteering manner and the light spot adjusting method, the two polarizers are rotated to change the optical ray refraction angel so as to change the light emitting projection angle, free deflection of the projection optical spots with a certain lighting scope is achieved, and orienteering lighting is carried out.

The invention discloses a liquid detergent feeding device which comprises a detergent storage box, a sponge body, an extrusion part and a detergent inlet pipeline, wherein the detergent storage box isused for storing liquid detergent; the sponge body is fixedly connected with a rotating shaft and can rotate around the axis of the rotating shaft, the lower end of the sponge body is in contact withthe liquid detergent to adsorb the liquid detergent; the extrusion part is used for extruding partial surface of the sponge body to separate out the liquid detergent; the detergent inlet pipeline isobliquely arranged downwards, the upper port of the detergent inlet pipeline is in butt joint with partial surface of the sponge body, and the lower port of the detergent inlet pipeline is communicated with a water inlet pipe. The invention also discloses a liquid detergent feeding method, and according to the method, the sponge body adsorbing the detergent in the detergent storage box is controlled to rotate by specific number of turns, the sponge body is extruded by the extrusion part to separate out the detergent, the separated-out detergent flows into the detergent inlet pipeline located at the extruded part of the sponge body and is gathered into the water inlet pipe under the action of gravity, so as to accurately control the feeding amount by controlling the sponge body rotation number of turns or speed.

The invention relates to a rotary table structure for automatic testing of a motor, and the structure comprises a mounting frame which is internally provided with a central shaft; the torque sensor is arranged on the central shaft in a penetrating manner, and the right end of the torque sensor is fixed on the mounting frame; the rotary transformer also penetrates through the central shaft and is fixed on the left end surface of the torque sensor; the left end of the spring pressurizing brake is arranged on the mounting frame; a motor is installed on the right end face of the installation frame, and the center shaft is installed in a mounting hole of the motor in a matched mode. The center shaft is provided with a stress disc; the spring pressurization brake generates axial pressure on the stress disc, so that the stress disc is subjected to friction force, and finally the center shaft generates load. An axial position adjusting unit is further arranged on the right side face of the mounting frame. The device has the beneficial effects that the measurement precision is high, the coaxiality can be automatically adjusted, and rigid support can be realized after flexible adjustment.

The invention discloses an ultraviolet LED helicopter rotor lamp, the lamp body comprises a fixed support and a main body shell capable of swinging relative to the fixed support, an ultraviolet LED module, a driving module and a filtering module are arranged at the bottom of the inner cavity of the main body shell, a reflection cup with a parabolic curved surface is arranged above the ultraviolet LED module, a glass sheet is arranged at the top end of the reflection cup, and a front cover fixed to the top end of the main body shell is arranged on the glass sheet. By use of the LED, the service life of the product can reach thousands of hours, so that the later maintenance cost is greatly reduced; green visible light is emitted in a manner of exciting the fluorescent coating through the ultraviolet rays, the warning effect is good, and the principle is ingenious; the lamp body can be fixed on the helicopter body, so that the problems of line loss and breakage are completely overcome, and the requirement on the airborne environment is better met, the mounting reliability is greatly improved; the light-emitting angle of the lamp body is adjustable, so that the optimal warning effect is ensured.

The invention discloses a motor waterproof breather valve assembly mechanism which comprises a valve body arranged outside a motor shell. A holding chamber is arranged in the valve body; an air inletand outlet channel is arranged on the valve body; the holding chamber and the outside communicate through the air inlet and outlet channel; two oppositely arranged breather valves are arranged in theholding chamber; each breather valve comprises a valve seat, a spring seat, a pressure spring and a valve element; a single-opening inner chamber is arranged in each valve seat; a first breather holeextending to the outer end surface is formed in the end surface wall of each single-opening inner chamber of each valve seat; a single-opening inner chamber is arranged in each spring seat; a second breather hole extending to the outer end surface is formed in the end surface wall of each single-opening inner chamber of each spring seat; the valve elements are arranged in the inner chambers of thespring seats; the pressure springs are arranged between the end surface walls of the spring seats and the valve elements; openings of the spring seats face the first breather holes so as to be press-fitted into the inner chambers of the valve seats in an interference way; and the valve elements suffers the action of the pressure springs so as to form seals on the first breather holes. The assembly mechanism is simple in structure, ingenious in principle, and capable of being simply installed outside the motor shell so as to realize the function on automatically adjusting the air pressure of an inner cavity.

A high-strength hydraulic support production welding new method includes the following steps: a first step, performing rust cleaning and grinding treatment on a steel plate, and cutting the steel plate according to a given size; a second step, selecting an adaptive high-strength welding wire; a third step: firstly welding inner main ribs and inner rib plates and secondly welding outer main ribs and outer rib plates while welding different types of top beams according to a welding sequence, firstly performing whole backing welding, and then performing filling cover surface welding; symmetrically performing welding from the center of a welding joint to two sides; and firstly welding vertical weld joints, and then welding horizontal joints; a fourth step, timely clearing a welding bead, and welding the next layer while the temperature drops to 50 DEG C, wherein two butt-joint welding joints should be symmetrical to each other, connection parts of joints must be staggered during multi-passwelding. The advantages of the invention are that the high-strength hydraulic support production welding new method is simple and skillful in principle, is simple in operation flow, is wide in application range, can strictly control the cutting size, can ensure non-clearance welding, can reduce material waste, can reduce deformation after welding, can ensure the product quality, can prolong the service life of the products, and can reduce the production cost.

The invention provides a novel high-performance glue applicator. The novel high-performance glue applicator is characterized by comprising a bearing connecting part, a positioning step surface, a screw telescopic plug, a glue supply cavity and a glue application roller shaft, wherein the glue supply cavity is movably connected with one end of the glue application roller shaft; the screw telescopicplug with the inner diameter the same as that of the glue supply cavity is arranged at the other end of the glue supply cavity; the bearing connecting part is fixedly connected with the outer end ofthe screw telescopic plug; the positioning step surface is mounted at the joint; the bearing connecting part is externally connected with a bearing or a drive device. The novel high-performance glue applicator is simple in structure and adopts an ingenious principle, a spiral lifting groove is formed in the position, corresponding to a long and thin gap, of the glue application shaft, and therefore, the spiral lifting groove initiatively lifts glue entering the long and thin gap from bottom to top in a rotating process of the glue application shaft and enables the glue to enter the glue supplybox; compared with the passive type sealing leakage-proof mode in the prior art, the storage amount of the glue in the long and thin gap is reduced to the great degree, the probability of glue leakage is reduced from the source, and the leakage-proof effect of the glue applicator is better.

The invention provides a device and a method for inner and outer ring alternating type heating of high-temperature uniform calcination of a shaft kiln, and belongs to the technical field of metallurgy. The device is of a sleeve structure, and coal gas and combustion-supporting air are designed to be respectively provided with an inner-ring channel and an outer-ring channel, namely an outer-ring coal gas channel, an outer-ring air channel, an inner-ring coal gas channel and an inner-ring air channel. The coal gas and air enter the outer-ring coal gas channel and the outer-ring air channel through the outer-ring coal gas inlet and the outer-ring air inlet respectively or enter the inner-ring coal gas channel and the inner-ring air channel through the inner-ring coal gas inlet and the inner-ring air inlet respectively. Outer-ring burners and inner-ring burners are respectively arranged in the outer-ring channels and the inner-ring channels. A material calcining area is arranged between each inner-ring channel and the corresponding outer-ring channel. The device has the advantages of realization of uniform heating of materials, ingenious design, simplicity and high operability, is suitable for high-temperature calcining processes of various shaft kilns, solves the problems of overburning, underburning and the like of the materials caused by uneven heating temperature in the shaft kiln, and can remarkably improve the quality of calcined products.

The invention relates to a titanium / aluminum bimetallic composite material with curved surface self-forming characteristics and a preparation method thereof. The difference in physical properties between materials (that is, the significant difference in linear expansion coefficient), the bending internal stress is formed during the cooling process of titanium / aluminum after thermal field recombination, which induces its spontaneous formation of structural characteristics that bend toward the aluminum side, avoiding the Secondary processing of thin sheets. The bending degree of the titanium / aluminum bimetallic composite is controlled by adjusting the dimensions of the titanium and aluminum substrates (length×width×thickness). The invention provides a new idea for designing and manufacturing thin plate-like heterogeneous composite materials with curved surface structure features.

The invention discloses a disengaging adjustable safety handle. The disengaging adjustable safety handle comprises a rocker, a substrate, an oscillating head which is provided with a start shaft sleeve, a base plate and an outer sleeve, and a fixing seat which is connected with an internal-combustion engine body; the start shaft sleeve is fixedly connected with the substrate; the base plate, and the outer sleeve are sleeved on the start shaft sleeve; the start shaft sleeve has a hollow structure which is provided with a through hole axially; the through hole penetrates through the start shaftsleeve and the substrate and a start shaft is inserted into the through hole; one end of the start shaft corresponding to the fixing seat passes through the through hole, and a start bolt used for rotating and starting an internal-combustion engine is protruded on the part of one end of the start shaft passing through the through hole; the other end of the start shaft is provided with a radial positioning piece; on the end face of the substrate which is back to one side of the start shaft sleeve, a radial positioning groove into which the start shaft sleeve can be embedded adaptively is formed at the position corresponding to the radial positioning piece; the end face of one end of the start shaft which is provided with the radial positioning piece is provided with a bolt connection hole,and an axial positioning bolt which is in bolt connection with the bolt connection hole; the axial positioning bolt is in bolt connection with a bottom mad and a nut; and the bottom mad is positionedbetween the nut and the start shaft and is fixedly connected with the substrate. The disengaging adjustable safety handle is suitable for internal-combustion engines with different shaft depths.

A mechanical equipment servo device controller system is characterized in that the mechanical equipment servo device controller system comprises a comparator, an integrator, an integral coefficient multiplier, an integral saturation limiter, a first subtractor, a second subtractor, a PDF coefficient multiplier, a differential coefficient multiplier, a PDF servo device, a differentiator, a differential follower and a feedback follower, wherein the comparator, the integrator and integral coefficient multiplier are sequentially connected with the first subtractor and the second subtractor, the first subtractor is connected with the PDF follower through the PDF coefficient multiplier, the second subtractor is connected with the differential follower through the differential coefficient multiplier and the differentiator, and the comparator is connected with the feedback follower. The mechanical equipment servo device controller system realizes the feedback of the azimuth signal of mechanical equipment, and has the advantages of clever principle, quick feedback, accurate information, and the like.