208results about How to "Avoid severe deformation" patented technology

The invention discloses a turnover device for mechanical automatic machining. The turnover device comprises a first support plate and a second support plate, wherein the first support plate corresponds to the second support plate, corresponding through holes are respectively formed in the same high position of the first support plate and the second support plate, bearings are fixedly connected tothe inner walls of the two through holes, two symmetrical fixtures are arranged between the first support plate and the second support plate, one fixture is connected with the first support plate by virtue of an adjusting mechanism, a rotating rod is fixedly connected to the center of one side, which is far from the first support plate, of the other fixture, the rotating rod penetrates through thebearing on the second support plate and is rotatably connected with the second support plate, a mounting plate is fixedly connected to one side, which is far from the first support plate, of the second support plate, a motor is fixedly connected to the top of the mounting plate, and the tail end of an output shaft of the motor is fixedly connected with one end, which is far from the fixture, of the rotating rod by virtue of a coupling. According to the turnover device, the purpose of no deformation when a plate is milled is realized by utilizing the lifting support plates.

The invention provides an anti-collision electronic device control box, which relates to the field of electronic devices. The anti-collision electronic device control box includes a fixing plate, four corners of the bottom of the fixing plate are fixedly installed with connecting blocks, and the bottom of the connecting blocks is fixedly connected with the top of the first pressure rod. The bottom end penetrates the first shock absorber and extends to the inside of the first shock absorber and is fixedly connected with the top of the first pressing block. The anti-collision electronic device control box drives the second splint to clamp and fix the front and back of the box through the second shock absorber, and drives the first splint to clamp and fix the left and right sides of the box through the screw, so that the box is clamped and fixed. Reliably fixed, through the first shock absorber and the buffer shock absorption, the fixed plate drives the box body to move along the surface of the guide rod, so as to effectively buffer the box body and make it difficult for the box body to separate from the base. The electronic devices inside the protection box are not easily damaged, and the use cost is effectively reduced.

The invention provides a vegetation rendering method and device, electronic equipment and a computer readable storage medium, and relates to the technical field of computer animation. The vegetation rendering method comprises the following steps: acquiring real-time coordinates of each vertex of a target vegetation model and real-time coordinates of a central point of each surface; acquiring real-time coordinates of the virtual character; according to the real-time coordinates of the central point and the real-time coordinates of the virtual character, obtaining an offset value generated by the target vegetation model under the action of the virtual character; adding the offset value to the real-time coordinates of the vertex of the target vegetation model to obtain offset coordinates of the target vegetation model; and rendering the target vegetation model according to the offset coordinates. According to the invention, the problem of serious deformation of the vegetation in the interaction process with the virtual character can be improved, and a more natural and real vegetation rendering effect is realized.

The invention relates to an air fryer with external cold air circulation. The air fryer comprises a shell, an upper mechanism, a lower mechanism, an airway plate, a temperature controller, a pot basket, a motor, a cold air wheel, a hot air wheel, a heating body, an air inlet and a plurality of air outlets, the cold air wheel is arranged in an interlayer between the shell and the upper mechanism in a manner of corresponding to the air inlet and is closer to the air inlet, the heating body comprises a heating element, a fixing piece, a supporting frame and a linking support, the heating element directly heats air in an exposed manner, the temperature controller is an adjustable flashing temperature controller and directly senses temperature of heated air inside, a container for containing food is a composite pot composed of the pot basket and a pot basket layer frame, and a cavity is formed at the bottom of the food. Cold air circulating quantity is increased, and heat loss of inside heating can be reduced; heating efficiency of a heating part is improved; a temperature control part is accurate in temperature sensing, so that temperature sensing delay is avoided; structure of the pot basket is simplified, so that separation of food and oil-water is facilitated, range and efficiency of heat convection are improved, and cooking efficiency is improved.

A method for improving the heat dissipation of the shell of great aluminium electrolyzer features that several heat radiating plates are welded to the external surface of said shell.

A fan failure braking device of an aero-engine comprises a fan shaft, a fan blade, a bearing support piece and a bearing component, wherein a rotor brake disc is arranged on the fan shaft; the fan blade is mounted on the fan shaft; one end of the bearing support piece is mounted on an aero-engine casing, the bearing support piece is provided with a stator brake disc which circumferentially surrounds the rotor brake disc and is radially spaced from the rotor brake disc; one end of the bearing component is coupled with the other end of the fan shaft, and connected with the bearing support piece by a predetermined bending moment; when the fan blade fractures, the fan shaft deflects outwards, so that when the mutation bending moment between the bearing component and the bearing support piece exceeds the predetermined bending moment, the bearing component and the bearing support piece are disconnected, and thus the rotor brake disc and the stator brake disc are jointed. when the fan blade fails and fractures, rub-impact occurs between the rotor brake disc and the stator brake disc, limits the radial displacement of bending of the fan shaft and reduces the rotational speed of the fan shaft and the FBO (Fan Blade Out) load.

The invention provides an anti-collision electronic device control method, which relates to the field of electronic devices. The anti-collision electronic device control box includes a fixed plate, the four corners of the bottom of the fixed plate are fixedly equipped with connection blocks, the bottom of the connection block is fixedly connected with the top of the first pressure rod, and the top of the first pressure rod The bottom end passes through the first shock absorber and extends to the inside of the first shock absorber to be fixedly connected with the top of the first pressure block. The anti-collision electronic device control box drives the second splint to clamp and fix the front and back of the box body through the second shock absorber, and drives the first splint to clamp and fix the left and right sides of the box body through the screw rod, so that the box body Reliably fixed, through the buffering and shock absorption of the first shock absorber and the buffer, the fixed plate drives the box body to move along the surface of the guide rod, thereby effectively cushioning the box body and making it difficult for the box body to detach from the base, thereby The electronic devices inside the protective box are not easily damaged, which effectively reduces the cost of use.

The invention discloses a battery shell and a battery system. A cover body covers a shell, so that battery packs are located in a sealed space, and primary protection is provided for battery packs. When the shell is impacted, a large amount of impact force can act on the side wall of the shell, and two ends of each reinforcing beam abut against the inner wall of the shell respectively, so that thestructural strength of the side wall of the shell is effectively enhanced, and therefore, the side wall of the shell is prevented from being seriously deformed due to the impact force; the impact force applied to the shell can be transferred and concentrated on the reinforcing beams, so that the impact force is transferred, and therefore, stress distribution on the shell is improved, and the structural integrity and good air tightness of the shell are ensured, the battery packs are always in a safe and stable environment, and the short circuit and even fire and explosion accidents of the battery packs due to the air tightness failure or piercing of the shell are avoided.

The invention discloses a water-based flexographic printing ink for cigarette tipping paper printing and a preparation method thereof. The water-based flexographic printing ink is composed of a modified acrylic emulsion, pigment and filler, a wetting dispersant, a transfer printing agent, a defoaming agent, deionized water, and a cosolvent. The modified acrylic emulsion is a novel acrylic emulsion formed by copolymerization of an imported high quality emulsifier, acrylate and special functional monomers, and has the advantages of fantastic calcium ion stability, dilution stability, mechanical stability and freeze-thaw stability, and small pollution to the environment. The water-based flexographic printing ink for tipping paper printing provided by the invention is non-toxic and tasteless, has quick drying speed and good dispersion stability, the printing product is free of deformation and edge curling, and has bright color and excellent antibacterial properties. The printing product has few residual monomer and low odor, is green and environment-friendly, the printing ink can be used cooperatively with a flexographic press, the printing speed can reach 250-300m/min, and the machine speed is doubled than the traditional intagliotipping paper printing press, thus greatly improving the production efficiency, and saving the production cost.

The invention discloses a method for preparing micro-nano-channels based on a liquid-gas equilibrium polymer nano-channels self-building mechanism. The method comprises the following steps of: first, preparing a nano grating structure of SU-8 photoresist by using a grating template and a nano-imprint lithography technology; then, spin-coating a layer of release agent on the grating structure of the SU-8 photoresist; and finally, coating a layer of SU-8 photoresist on the grating structure of the SU-8 photoresist coated with the release agent by a slit type extrusion gluing way, wherein the micro-nano-channels are formed by a coated SU-8 photoresist layer which is balanced with the air pressure trapped in a grating under the action of surface tension, and the preparation of a micro-nano flow control system is finished. According to the method, high pressure and high temperature are not needed, so that deformation and damage of a polymer grating structure are avoided; processing successrate is improved; and by the method, the sizes of the micro-nano-channels can be controlled by adjusting the surface tension of a polymer.

The invention discloses a cutting machine for inductive elements capable of cutting legs in batches, which comprises a base, a placing platform is fixedly installed on the top of the base, a placing groove is opened on the top of the placing platform, a fixing plate is placed inside the placing groove, and a fixing plate is placed inside the fixing plate. There are blind holes on the top, and the top of the base and both sides of the placing table are fixedly installed with slide rails, the top of the slide rails is slidably installed with support rods, the top of the support rods is fixedly connected with the bottom of the top plate, and the top of the top plate is fixedly installed There is an electric box, and the inside of the electric box is fixedly equipped with a motor. In the present invention, by setting the cooperation between the driving wheel and the driven wheel, when the driving wheel rotates, it will drive the driven wheel to rotate, and when the driven wheel rotates, it will drive the rotating rod to rotate, so that the gear rod and the rack are matched, so that the motor The chassis is moved to batch cut the inductance components on one line, which saves time and effort by cutting corners in batches.

The invention discloses a plate cutting apparatus, comprising a basic support, a cutting rack, a feeding platform, a discharging platform, a cutting unit mount and a plurality of cutting units; wherein all the cutting rack, the feeding platform, the discharging platform and the cutting unit mount are fixed on the basic support; a plurality of descending telescopic cylinders are discretely distributed at the top of the basic support; a plurality of ascending telescopic cylinders are discretely distributed on the cutting rack; the ascending telescopic cylinders and the descending telescopic cylinders are in one-to-one correspondence and are used for clamping the top and bottom of a plate, respectively; the multiple cutting units are mounted on the cutting unit mount to cut the plate. The plate cutting apparatus can be used to solve the problem that an existing plate cutting apparatus has low dimensional precision of produced plates.

The invention discloses a workpiece thickness detection system and battery cell OCV test equipment. Among them, the workpiece thickness detection system includes: a workpiece thickness measurement placement platform, a workpiece thickness measurement drive unit, a workpiece thickness measurement lifting frame, a workpiece thickness measurement lower platen, a lower platen pressure adjustment structure, and a workpiece thickness measuring device. The workpiece thickness measuring lower platen is movable on the workpiece thickness measuring elevating frame; the workpiece thickness measuring drive part drives the workpiece thickness measuring elevating frame, and the workpiece thickness measuring device is used to identify the distance between the workpiece thickness measuring platform and the workpiece thickness measuring lower platen; The pressure regulating structure of the pressing plate is connected with the lower pressing plate of the workpiece thickness measurement, and the pressure adjusting structure of the lower pressing plate is used for providing an adjustable pulling force opposite to the direction of gravity of the lower pressing plate of the workpiece thickness measuring. The workpiece thickness detection system of the present invention can adaptively adjust the downforce of the pressing plate for different types of workpieces, prevent the workpiece from being seriously deformed due to excessive extrusion force, and can accurately measure the actual thickness of the workpiece.

The invention discloses a safety guard railing for roads and bridges. The safety guard railing comprises a fixed seat, a fixed plate and a bolt hole. The safety guard railing has the beneficial effects that through the arrangement of a light barrier, a first rotating rod, a second rotating rod and a reflective coating, the device can effectively block the light from vehicles in the opposite direction, it is ensured that the driver can see the road information clearly, and the occurrence of traffic accidents is avoided; through the arrangement of a first lower transverse plate and a second lower transverse plate, a lower rotating shaft, a first upper transverse plate, a second upper transverse plate, an upper rotating shaft, a first fixed pin, a second fixed pin, a vertical plate, a first strong spring and a second strong spring, the car impact is flexibly buffered by the device, severe deformation of car is avoided, and the damage to the personnel in the vehicle is reduced, through thearrangement of a gravity sensor, a controller, a solar panel, a signal transmitter and a warning light, the warning light can be lighted up and give warning and the information of the fallen guard railing is sent to remote monitoring personnel for timely maintenance when the guard railing falls down, thereby reducing the road potential safety hazard.

The invention discloses a method for recovering large mining height fully-mechanized face end part ground coal. The method comprises the following steps of: setting up 2 to 3 groups of supports on one side close to a working face in a return air drift of a large mining height fully-mechanized face; according to the daily advancement degree, performing manual advancing bottoming on the ground coal along the advancing direction of the working face in a transport drift of the large mining height fully-mechanized face, wherein the bottoming length is 4 to 6 meters, the bottoming height is 1 to 1.5 meters, and the bottoming gradient gamma is less than 10 degree; performing ascending coal cutting from the transport drift to the return air drift or performing descending coal cutting from the return air drift to the transport shift by adopting a coal mining machine; and after finishing the coal cutting of the return air drift by the coal mining machine, manually recycling a step remained close to an external upper in the return air drift to ensure that the ground coal on the upper end part and the lower end part of the large mining height fully-mechanized face is recovered continuously during the mining on the working face. The method has a simple process, convenient construction and easy operation, improves the coal mining rate of the large mining height face by about 4 percent, reduces influences caused by the ground coal to fully-mechanized production, and has extensive practicability.

The invention discloses an argon blowing lance which includes a metal lance rod and a lance body that are connected together by a flange; the lower part of the lance body is provided with a dispersion nozzle; the lance body includes a main tube, a reinforcing tube, a plurality of bridging welding pieces, a plurality of rivet pieces and the working liner of a fire-proof material; the reinforcing tube is sheathed on the outside of the main tube; besides, a plurality of bridging welding pieces are uniformly welded between the reinforcing tube and the main tube; the rivet pieces of V shape and double V-shape are respectively and alternatively arranged in the working liner of the fire-proof material outside the reinforcing tube along the surrounding direction and the coaxial direction of the reinforcing tube; besides, the top points of the two are respectively welded with the outer surface of the reinforcing tube. The measures of the invention of sheathing the reinforcing tube and the bridging welding pieces outside the main tube of the core of the lance improve the intensity and the rigidness of the core structure of the lance; the rivet pieces of V shape and double V-shape enhance the bonding intensity between the core of the metal core of the lance and the working liner of the fire-proof casting material; the dispersion nozzle improves the blowing stirring intensity and finally achieves the goals of prolong the service life of the lance and improving the use performance of the lance.

The invention provides a synchronous reluctance motor rotor structure, a motor and a compressor. The synchronous reluctance motor rotor structure comprises a rotor core, first type slit grooves and second type slit grooves are set in the rotor core, the first type slit grooves and the second type slit grooves are alternately arranged in the q axis direction of the rotor core, wherein two ends of each of the first type slit grooves are provided with two filling slit grooves, and the second type slit grooves are air grooves. By setting the first type slit grooves and the second slit grooves, setting the filling slit grooves at two ends of the first type slit grooves and setting the second type slit grooves to be the air grooves, the efficiency of the motor with the rotor structure can be effectively improved, at the same time, the rotor structure can avoid the severe deformation during manufacturing, the amount of materials used for manufacturing the rotor structure can be reduced, and therefore, the production cost of the motor is effectively reduced.

The invention discloses a high-efficiency, fast, water-saving cleaning method for electronic components, comprising a water tank, the left side of the water tank is fixedly connected with a left plate, the right side of the water tank is fixedly connected with a right plate, the left plate and the right plate A vertical plate is welded on the upper surface of each vertical plate, a top plate is welded between the tops of the two vertical plates, and a gas distribution pipe is installed on the bottom surface of the top plate, and both ends of the gas distribution pipe are closed structures. The high-efficiency, fast and water-saving cleaning device for electronic components drives the second disc to rotate through the driving motor, and then uses the protrusion on the second disc to push the cleaning cylinder to the left of the driving motor. When cleaning the tank, the cleaning cylinder moves to the right under the elastic force of the return spring, and then the cleaning cylinder reciprocates in the horizontal direction, so that the electrical components placed in the cleaning cylinder are cleaned more thoroughly, which improves the cleaning efficiency and reduces the labor force of workers. labor force.

The invention discloses a manufacturing method of a multi-straight-fin heat exchange tube, which is characterized by comprising the steps of: (1) sizing the shape of outer straight fins of a base tube; (2) welding the outer straight fins of the base tube, namely, putting a half-finished work piece on a special working rack, arranging a plug provided with a water inlet tube, a water outlet tube and a valve at two ends of the work piece, connecting the water inlet tube and the water outlet tube, inletting circulating cooling water, welding a first pair of straight fins in a two-side level and matching welding manner, turning the tube for 90 degrees after finishing the welding of the first pair of straight fins, welding a second pair of straight fins and welding other straight fins with the same method; (3) straightening the tube; (4) processing the outer appearance of the tube; (5) examining the tube. The manufacturing method of the multi-straight fin heat exchange tube has simple manufacturing technique and low labor intensity, avoids the situation of the serious deformation and twisting of the base tube and fins in the manufacturing process of the heat exchange tube and improves the quality of the multi-straight-fin heat exchange tube.

The invention discloses a high-strength valve for steam. The high-strength valve comprises a main valve body, and the upper end of the main valve body is provided with a valve flange used for controlling connection and disconnection of the main valve body; the portion, located under the valve flange, of the main valve body is provided with a first installing flange, the upper end face of the first installing flange is provided with a positioning boss in an upwards extending mode, a seal sleeve is arranged over the first installing flange, the lower end of the sealing sleeve is provided with a second installing flange matched with the first installing flange, and a seal ring is arranged between the first installing flange and the second installing flange; the positioning boss is slidably matched with an inner hole of the seal sleeve, the first installing flange and the second installing flange are both provided with corresponding connecting holes, and the first installing flange is provided with an installing groove used for installing the seal ring. According to the high-strength valve for the steam, the structure is simple, the cost is low, the safety and reliability are achieved, the service life is long, stopping is not needed for replacing, only a secondary seal structure needs to be utilized to seal the overall valve again, therefore, the production persistence and stability are facilitated, and the production efficiency is improved.

The invention discloses a red bed sand shale tunnel large deformation section construction method to effectively avoid large deformation and collapse during the construction period, lower the construction period delaying risk and improve the construction efficiency. According to the monitoring measurement condition and the deformation condition of the constructed section, the large deformation section is tested, the reserved deformation is enlarged, and the support parameter is adjusted to reinforce preliminary bracing; the rise span ratio of an excavated section is adjusted according to crownsettlement, horizontal displacement and inverted arch deformation condition, and the excavated section of the large deformation section is determined; the rise span ratio is adjusted to be about 0.5;when the horizontal displacement value is larger, the crown settlement value is smaller relative to the horizontal displacement value and inverted arch deformation is not generated, the excavated section of the large deformation section is determined to be semi-circular; and when the crown settlement value, horizontal displacement value and inverted arch deformation upheaval value are larger, theexcavated section of the large deformation section is determined to be circular.

The invention discloses a cooking utensil with a pushing mechanism. The cooking utensil comprises a pot base, an inner pot placed on the pot base, and a pot cover hinged to the rear end of the pot base in a turnover mode; the inner pot is provided with a rigid pot edge protruding outwards; the pot cover comprises an outer cover and a rigid component mounted below the outer cover, and the pot cover is used for covering a pot opening of the inner pot on the basis of a cover closing action; the cooking utensil is characterized in that a locking mechanism is arranged on the outer cover and comprises one or more pairs of supporting frames slidably arranged on the outer cover; each supporting frame is provided with one or more rigid clamping devices with clamping openings; and the rigid clamping devices are used for being able to at least clamp the rigid component and the rigid pot edge of the inner pot through the clamping openings when the supporting frames drive the rigid clamping devices to move in the center direction of the outer cover, and also used for being able to release the rigid pot edge of the inner pot when the supporting frames drive the rigid clamping devices to move in the outer-side direction of the outer cover.

The invention relates to a recovery processing method for waste Ti or Ti alloy powder in additive manufacturing. Under inert gas shielding and an indoor temperature condition of 10-20 DEG C, the wasteTi or Ti alloy powder is processed by the steps that (1) sodium amalgam is added into the waste Ti or Ti alloy powder in additive manufacturing, so a mixed sizing agent is obtained; (2) the mixed sizing agent obtained at the step (1) is mixed, so the mixed sizing agent can reach a fluidized state; (3) an inert gas is fed into the mixed sizing agent in the fluidized state, shear friction is motivated to generate the Ti or Ti alloy powder and evaporation of sodium amalgam in the sizing agent is accelerated through convection effects between bubbles generated in the mixed sizing agent and the sizing agent, so solid Ti or Ti alloy powder is obtained through separation; and (4) the Ti or Ti alloy powder obtained at the step (3) is cleaned and dried, so the Ti or Ti alloy powder which can be reused in additive manufacturing is obtained.